1a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek * drivers/net/wireless/mwl8k.c 3ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek * Driver for Marvell TOPDOG 802.11 Wireless cards 4a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * 5a5fb297d634ba20bd53a7d6fecd611bbfd342e78Lennert Buytenhek * Copyright (C) 2008, 2009, 2010 Marvell Semiconductor Inc. 6a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * 7a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This file is licensed under the terms of the GNU General Public 8a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * License version 2. This program is licensed "as is" without any 9a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * warranty of any kind, whether express or implied. 10a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 11a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 12a6b7a407865aab9f849dd99a71072b7cd1175116Alexey Dobriyan#include <linux/interrupt.h> 13a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/module.h> 14a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/kernel.h> 153d76e82c9538d8104e578ca460d35f214bfddfd3Lennert Buytenhek#include <linux/sched.h> 16a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/spinlock.h> 17a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/list.h> 18a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/pci.h> 19a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/delay.h> 20a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/completion.h> 21a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/etherdevice.h> 225a0e3ad6af8660be21ca98a971cd00f331318c05Tejun Heo#include <linux/slab.h> 23a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <net/mac80211.h> 24a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/moduleparam.h> 25a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/firmware.h> 26a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/workqueue.h> 27a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 28a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_DESC "Marvell TOPDOG(R) 802.11 Wireless Network Driver" 29a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_NAME KBUILD_MODNAME 3000e8e69270cc8d5b9db98dcb73d26f21c2539010Yogesh Ashok Powar#define MWL8K_VERSION "0.13" 31a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 320863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo/* Module parameters */ 33eb93992207dadb946a3b5cf4544957dc924a6f58Rusty Russellstatic bool ap_mode_default; 340863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolomodule_param(ap_mode_default, bool, 0); 350863ade8d6bde1d151f75720d999ff27f9fe3533Brian CavagnoloMODULE_PARM_DESC(ap_mode_default, 360863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo "Set to 1 to make ap mode the default instead of sta mode"); 370863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo 38a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Register definitions */ 39a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_GEN_PTR 0x00000c10 40ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_MODE_STA 0x0000005a 41ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_MODE_AP 0x000000a5 42a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_INT_CODE 0x00000c14 43ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_FWSTA_READY 0xf0f1f2f4 44ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_FWAP_READY 0xf1f2f4a5 45ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_INT_CODE_CMD_FINISHED 0x00000005 46a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_SCRATCH 0x00000c40 47a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 48a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Host->device communications */ 49a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_EVENTS 0x00000c18 50a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_STATUS 0x00000c1c 51a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_MASK 0x00000c20 52a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_CLEAR_SEL 0x00000c24 53a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_STATUS_MASK 0x00000c28 54ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_DUMMY (1 << 20) 55ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_RESET (1 << 15) 56ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_DOORBELL (1 << 1) 57ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_PPA_READY (1 << 0) 58a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 59a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Device->host communications */ 60a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_EVENTS 0x00000c2c 61a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_STATUS 0x00000c30 62a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_MASK 0x00000c34 63a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL 0x00000c38 64a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK 0x00000c3c 65ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_DUMMY (1 << 20) 663aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam#define MWL8K_A2H_INT_BA_WATCHDOG (1 << 14) 67ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_CHNL_SWITCHED (1 << 11) 68ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_QUEUE_EMPTY (1 << 10) 69ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RADAR_DETECT (1 << 7) 70ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RADIO_ON (1 << 6) 71ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RADIO_OFF (1 << 5) 72ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_MAC_EVENT (1 << 3) 73ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_OPC_DONE (1 << 2) 74ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RX_READY (1 << 1) 75ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_TX_DONE (1 << 0) 76a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 77566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat/* HW micro second timer register 78566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat * located at offset 0xA600. This 79566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat * will be used to timestamp tx 80566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat * packets. 81566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat */ 82566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat 83566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat#define MWL8K_HW_TIMER_REGISTER 0x0000a600 844c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar#define BBU_RXRDY_CNT_REG 0x0000a860 854c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar#define NOK_CCA_CNT_REG 0x0000a6a0 864c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar#define BBU_AVG_NOISE_VAL 0x67 87566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat 88a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_A2H_EVENTS (MWL8K_A2H_INT_DUMMY | \ 89a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_CHNL_SWITCHED | \ 90a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_QUEUE_EMPTY | \ 91a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADAR_DETECT | \ 92a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADIO_ON | \ 93a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADIO_OFF | \ 94a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_MAC_EVENT | \ 95a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_OPC_DONE | \ 96a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RX_READY | \ 973aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam MWL8K_A2H_INT_TX_DONE | \ 983aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam MWL8K_A2H_INT_BA_WATCHDOG) 99a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 100a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_QUEUES 1 101e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo#define MWL8K_TX_WMM_QUEUES 4 1028a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo#define MWL8K_MAX_AMPDU_QUEUES 8 103e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo#define MWL8K_MAX_TX_QUEUES (MWL8K_TX_WMM_QUEUES + MWL8K_MAX_AMPDU_QUEUES) 104e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo#define mwl8k_tx_queues(priv) (MWL8K_TX_WMM_QUEUES + (priv)->num_ampdu_queues) 105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1067fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar/* txpriorities are mapped with hw queues. 1077fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar * Each hw queue has a txpriority. 1087fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar */ 1097fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar#define TOTAL_HW_TX_QUEUES 8 1107fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar 1117fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar/* Each HW queue can have one AMPDU stream. 1127fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar * But, because one of the hw queue is reserved, 1137fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar * maximum AMPDU queues that can be created are 1147fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar * one short of total tx queues. 1157fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar */ 1167fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar#define MWL8K_NUM_AMPDU_STREAMS (TOTAL_HW_TX_QUEUES - 1) 1177fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar 118031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar#define MWL8K_NUM_CHANS 18 119031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar 12054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhekstruct rxd_ops { 12154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek int rxd_size; 12254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void (*rxd_init)(void *rxd, dma_addr_t next_dma_addr); 12354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void (*rxd_refill)(void *rxd, dma_addr_t addr, int len); 12420f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek int (*rxd_process)(void *rxd, struct ieee80211_rx_status *status, 1250d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville __le16 *qos, s8 *noise); 12654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek}; 12754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 12845a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhekstruct mwl8k_device_info { 129a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek char *part_name; 130a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek char *helper_image; 1310863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo char *fw_image_sta; 1320863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo char *fw_image_ap; 13389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct rxd_ops *ap_rxd_ops; 134952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo u32 fw_api_ap; 13545a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek}; 13645a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 137a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_rx_queue { 13845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int rxd_count; 139a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 140a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* hw receives here */ 14145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int head; 142a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 143a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* refill descs here */ 14445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int tail; 145a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 14654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 14745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek dma_addr_t rxd_dma; 148788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek struct { 149788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek struct sk_buff *skb; 15053b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori DEFINE_DMA_UNMAP_ADDR(dma); 151788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek } *buf; 152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 153a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_tx_queue { 155a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* hw transmits here */ 15645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int head; 157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* sw appends here */ 15945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int tail; 160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1618ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo unsigned int len; 16245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek struct mwl8k_tx_desc *txd; 16345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek dma_addr_t txd_dma; 16445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek struct sk_buff **skb; 165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 167ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnoloenum { 168ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo AMPDU_NO_STREAM, 169ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo AMPDU_STREAM_NEW, 170ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo AMPDU_STREAM_IN_PROGRESS, 171ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo AMPDU_STREAM_ACTIVE, 172ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo}; 173ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1745faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstruct mwl8k_ampdu_stream { 1755faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct ieee80211_sta *sta; 1765faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 tid; 1775faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 state; 1785faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 idx; 1795faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam}; 1805faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 181a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_priv { 182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw; 183a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct pci_dev *pdev; 184bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo int irq; 185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 18645a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek struct mwl8k_device_info *device_info; 18745a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 188be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek void __iomem *sram; 189be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek void __iomem *regs; 190be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 191be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* firmware */ 192d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo const struct firmware *fw_helper; 193d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo const struct firmware *fw_ucode; 194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 195be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* hardware/firmware parameters */ 196be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek bool ap_fw; 197be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek struct rxd_ops *rxd_ops; 198777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek struct ieee80211_supported_band band_24; 199777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek struct ieee80211_channel channels_24[14]; 2003f524559cfb114339021afa139fc30aae1c9a878Jonas Gorski struct ieee80211_rate rates_24[13]; 2014eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek struct ieee80211_supported_band band_50; 2024eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek struct ieee80211_channel channels_50[4]; 2033f524559cfb114339021afa139fc30aae1c9a878Jonas Gorski struct ieee80211_rate rates_50[8]; 204ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek u32 ap_macids_supported; 205ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek u32 sta_macids_supported; 206be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 2078a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo /* Ampdu stream information */ 2088a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo u8 num_ampdu_queues; 209ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo spinlock_t stream_lock; 210ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo struct mwl8k_ampdu_stream ampdu[MWL8K_MAX_AMPDU_QUEUES]; 2113aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam struct work_struct watchdog_ba_handle; 2128a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo 213618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek /* firmware access */ 214618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mutex fw_mutex; 215618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct task_struct *fw_mutex_owner; 2166b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar struct task_struct *hw_restart_owner; 217618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek int fw_mutex_depth; 218618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct completion *hostcmd_wait; 219618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 220c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar atomic_t watchdog_event_pending; 221c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar 222a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* lock held over TX and TX reap */ 223a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spinlock_t tx_lock; 224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 22588de754ad59025eba797e7a8375807755577f450Lennert Buytenhek /* TX quiesce completion, protected by fw_mutex and tx_lock */ 22688de754ad59025eba797e7a8375807755577f450Lennert Buytenhek struct completion *tx_wait; 22788de754ad59025eba797e7a8375807755577f450Lennert Buytenhek 228f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek /* List of interfaces. */ 229ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek u32 macids_used; 230f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct list_head vif_list; 231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* power management status cookie from firmware */ 233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 *cookie; 234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t cookie_dma; 235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 num_mcaddrs; 237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 hw_rev; 2382aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek u32 fw_rev; 239c3f251a317e032c9ceaf539b02a962986f70b523Jonas Gorski u32 caps; 240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Running count of TX packets in flight, to avoid 243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * iterating over the transmit rings each time. 244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int pending_tx_pkts; 246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue rxq[MWL8K_RX_QUEUES]; 248e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo struct mwl8k_tx_queue txq[MWL8K_MAX_TX_QUEUES]; 249e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo u32 txq_offset[MWL8K_MAX_TX_QUEUES]; 250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 251c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek bool radio_on; 25268ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek bool radio_short_preamble; 253a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek bool sniffer_enabled; 2540439b1f55646ea944b0d58337f5065b79a1c1be0Lennert Buytenhek bool wmm_enabled; 255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 256a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* XXX need to convert this to handle multiple interfaces */ 257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek bool capture_beacon; 258d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek u8 capture_bssid[ETH_ALEN]; 259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *beacon_skb; 260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This FJ worker has to be global as it is scheduled from the 263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * RX handler. At this point we don't know which interface it 264a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * belongs to until the list of bssids waiting to complete join 265a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * is checked. 266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 267a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct work_struct finalize_join_worker; 268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2691e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek /* Tasklet to perform TX reclaim. */ 2701e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek struct tasklet_struct poll_tx_task; 27167e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 27267e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek /* Tasklet to perform RX. */ 27367e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek struct tasklet_struct poll_rx_task; 2740d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 2750d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville /* Most recently reported noise in dBm */ 2760d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville s8 noise; 2770863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo 2780863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo /* 2790863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo * preserve the queue configurations so they can be restored if/when 2800863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo * the firmware image is swapped. 2810863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo */ 282e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo struct ieee80211_tx_queue_params wmm_params[MWL8K_TX_WMM_QUEUES]; 28399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 2846b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* To perform the task of reloading the firmware */ 2856b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar struct work_struct fw_reload; 2866b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar bool hw_restart_in_progress; 2876b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 28899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo /* async firmware loading state */ 28999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo unsigned fw_state; 29099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo char *fw_pref; 29199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo char *fw_alt; 29298929824eec490984e42ac9dc3b96f7f12033996Nishant Sarmukadam bool is_8764; 29399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo struct completion firmware_loading_complete; 294e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar 295e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar /* bitmap of running BSSes */ 296e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar u32 running_bsses; 2974c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar 2984c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar /* ACS related */ 2994c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar bool sw_scan_start; 300031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar struct ieee80211_channel *acs_chan; 301031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar unsigned long channel_time; 302031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar struct survey_info survey[MWL8K_NUM_CHANS]; 303a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 304a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 305e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam#define MAX_WEP_KEY_LEN 13 306e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam#define NUM_WEP_KEYS 4 307e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 308a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Per interface specific private data */ 309a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_vif { 310f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct list_head list; 311f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct ieee80211_vif *vif; 312f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek 313f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek /* Firmware macid for this vif. */ 314f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek int macid; 315f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek 316c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek /* Non AMPDU sequence number assigned by driver. */ 317a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek u16 seqno; 318e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 319e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam /* Saved WEP keys */ 320e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam struct { 321e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam u8 enabled; 322e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam u8 key[sizeof(struct ieee80211_key_conf) + MAX_WEP_KEY_LEN]; 323e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam } wep_key_conf[NUM_WEP_KEYS]; 324d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 325d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam /* BSSID */ 326d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam u8 bssid[ETH_ALEN]; 327d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 328d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam /* A flag to indicate is HW crypto is enabled for this bssid */ 329d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam bool is_hw_crypto_enabled; 330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 331a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek#define MWL8K_VIF(_vif) ((struct mwl8k_vif *)&((_vif)->drv_priv)) 332fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define IEEE80211_KEY_CONF(_u8) ((struct ieee80211_key_conf *)(_u8)) 333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 334d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolostruct tx_traffic_info { 335d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo u32 start_time; 336d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo u32 pkts; 337d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo}; 338d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 339d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo#define MWL8K_MAX_TID 8 340a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhekstruct mwl8k_sta { 341a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek /* Index into station database. Returned by UPDATE_STADB. */ 342a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek u8 peer_id; 343170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam u8 is_ampdu_allowed; 344d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct tx_traffic_info tx_stats[MWL8K_MAX_TID]; 345a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek}; 346a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_STA(_sta) ((struct mwl8k_sta *)&((_sta)->drv_priv)) 347a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 348777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhekstatic const struct ieee80211_channel mwl8k_channels_24[] = { 349d786f67e5c587a4de8245336cb64cf4dd06871a7Jonas Gorski { .band = IEEE80211_BAND_2GHZ, .center_freq = 2412, .hw_value = 1, }, 350d786f67e5c587a4de8245336cb64cf4dd06871a7Jonas Gorski { .band = IEEE80211_BAND_2GHZ, .center_freq = 2417, .hw_value = 2, }, 351d786f67e5c587a4de8245336cb64cf4dd06871a7Jonas Gorski { .band = IEEE80211_BAND_2GHZ, .center_freq = 2422, .hw_value = 3, }, 352d786f67e5c587a4de8245336cb64cf4dd06871a7Jonas Gorski { .band = IEEE80211_BAND_2GHZ, .center_freq = 2427, .hw_value = 4, }, 353d786f67e5c587a4de8245336cb64cf4dd06871a7Jonas Gorski { .band = IEEE80211_BAND_2GHZ, .center_freq = 2432, .hw_value = 5, }, 354d786f67e5c587a4de8245336cb64cf4dd06871a7Jonas Gorski { .band = IEEE80211_BAND_2GHZ, .center_freq = 2437, .hw_value = 6, }, 355d786f67e5c587a4de8245336cb64cf4dd06871a7Jonas Gorski { .band = IEEE80211_BAND_2GHZ, .center_freq = 2442, .hw_value = 7, }, 356d786f67e5c587a4de8245336cb64cf4dd06871a7Jonas Gorski { .band = IEEE80211_BAND_2GHZ, .center_freq = 2447, .hw_value = 8, }, 357d786f67e5c587a4de8245336cb64cf4dd06871a7Jonas Gorski { .band = IEEE80211_BAND_2GHZ, .center_freq = 2452, .hw_value = 9, }, 358d786f67e5c587a4de8245336cb64cf4dd06871a7Jonas Gorski { .band = IEEE80211_BAND_2GHZ, .center_freq = 2457, .hw_value = 10, }, 359d786f67e5c587a4de8245336cb64cf4dd06871a7Jonas Gorski { .band = IEEE80211_BAND_2GHZ, .center_freq = 2462, .hw_value = 11, }, 360d786f67e5c587a4de8245336cb64cf4dd06871a7Jonas Gorski { .band = IEEE80211_BAND_2GHZ, .center_freq = 2467, .hw_value = 12, }, 361d786f67e5c587a4de8245336cb64cf4dd06871a7Jonas Gorski { .band = IEEE80211_BAND_2GHZ, .center_freq = 2472, .hw_value = 13, }, 362d786f67e5c587a4de8245336cb64cf4dd06871a7Jonas Gorski { .band = IEEE80211_BAND_2GHZ, .center_freq = 2484, .hw_value = 14, }, 363a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 364a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 365777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhekstatic const struct ieee80211_rate mwl8k_rates_24[] = { 366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 10, .hw_value = 2, }, 367a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 20, .hw_value = 4, }, 368a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 55, .hw_value = 11, }, 3695dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek { .bitrate = 110, .hw_value = 22, }, 3705dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek { .bitrate = 220, .hw_value = 44, }, 371a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 60, .hw_value = 12, }, 372a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 90, .hw_value = 18, }, 373a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 120, .hw_value = 24, }, 374a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 180, .hw_value = 36, }, 375a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 240, .hw_value = 48, }, 376a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 360, .hw_value = 72, }, 377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 480, .hw_value = 96, }, 378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 540, .hw_value = 108, }, 379140eb5e2c1978622d7cd979d59a1c0586fe3bbdbLennert Buytenhek}; 380140eb5e2c1978622d7cd979d59a1c0586fe3bbdbLennert Buytenhek 3814eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhekstatic const struct ieee80211_channel mwl8k_channels_50[] = { 382d786f67e5c587a4de8245336cb64cf4dd06871a7Jonas Gorski { .band = IEEE80211_BAND_5GHZ, .center_freq = 5180, .hw_value = 36, }, 383d786f67e5c587a4de8245336cb64cf4dd06871a7Jonas Gorski { .band = IEEE80211_BAND_5GHZ, .center_freq = 5200, .hw_value = 40, }, 384d786f67e5c587a4de8245336cb64cf4dd06871a7Jonas Gorski { .band = IEEE80211_BAND_5GHZ, .center_freq = 5220, .hw_value = 44, }, 385d786f67e5c587a4de8245336cb64cf4dd06871a7Jonas Gorski { .band = IEEE80211_BAND_5GHZ, .center_freq = 5240, .hw_value = 48, }, 3864eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek}; 3874eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 3884eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhekstatic const struct ieee80211_rate mwl8k_rates_50[] = { 3894eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 60, .hw_value = 12, }, 3904eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 90, .hw_value = 18, }, 3914eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 120, .hw_value = 24, }, 3924eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 180, .hw_value = 36, }, 3934eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 240, .hw_value = 48, }, 3944eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 360, .hw_value = 72, }, 3954eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 480, .hw_value = 96, }, 3964eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 540, .hw_value = 108, }, 3974eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek}; 3984eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Set or get info from Firmware */ 400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET 0x0000 40141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_CMD_SET 0x0001 40241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_CMD_SET_LIST 0x0002 403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Firmware command codes */ 405a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_CODE_DNLD 0x0001 406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET_HW_SPEC 0x0003 40742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek#define MWL8K_CMD_SET_HW_SPEC 0x0004 408a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_MAC_MULTICAST_ADR 0x0010 409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET_STAT 0x0014 410c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar#define MWL8K_CMD_BBP_REG_ACCESS 0x001a 411ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RADIO_CONTROL 0x001c 412ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RF_TX_POWER 0x001e 41341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_CMD_TX_POWER 0x001f 41408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek#define MWL8K_CMD_RF_ANTENNA 0x0020 415aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek#define MWL8K_CMD_SET_BEACON 0x0100 /* per-vif */ 416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_PRE_SCAN 0x0107 417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_POST_SCAN 0x0108 418ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_RF_CHANNEL 0x010a 419ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_AID 0x010d 420ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_RATE 0x0110 421ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_FINALIZE_JOIN 0x0111 422ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RTS_THRESHOLD 0x0113 423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_SLOT 0x0114 424ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_EDCA_PARAMS 0x0115 425ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_WMM_MODE 0x0123 426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_MIMO_CONFIG 0x0125 427ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_USE_FIXED_RATE 0x0126 428a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_ENABLE_SNIFFER 0x0150 429aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek#define MWL8K_CMD_SET_MAC_ADDR 0x0202 /* per-vif */ 430a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_RATEADAPT_MODE 0x0203 4313aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam#define MWL8K_CMD_GET_WATCHDOG_BITMAP 0x0205 432197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar#define MWL8K_CMD_DEL_MAC_ADDR 0x0206 /* per-vif */ 433aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek#define MWL8K_CMD_BSS_START 0x1100 /* per-vif */ 434aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek#define MWL8K_CMD_SET_NEW_STN 0x1111 /* per-vif */ 435fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_CMD_UPDATE_ENCRYPTION 0x1122 /* per-vif */ 436ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_UPDATE_STADB 0x1123 4375faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam#define MWL8K_CMD_BASTREAM 0x1125 438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 439b603742f49c3ec922522602e18ac22e8f6835132John W. Linvillestatic const char *mwl8k_cmd_name(__le16 cmd, char *buf, int bufsize) 440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 441b603742f49c3ec922522602e18ac22e8f6835132John W. Linville u16 command = le16_to_cpu(cmd); 442b603742f49c3ec922522602e18ac22e8f6835132John W. Linville 443a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMDNAME(x) case MWL8K_CMD_##x: do {\ 444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(buf, bufsize, "%s", #x);\ 445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return buf;\ 446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (0) 447b603742f49c3ec922522602e18ac22e8f6835132John W. Linville switch (command & ~0x8000) { 448a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(CODE_DNLD); 449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(GET_HW_SPEC); 45042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek MWL8K_CMDNAME(SET_HW_SPEC); 451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(MAC_MULTICAST_ADR); 452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(GET_STAT); 453a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(RADIO_CONTROL); 454a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(RF_TX_POWER); 45541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam MWL8K_CMDNAME(TX_POWER); 45608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek MWL8K_CMDNAME(RF_ANTENNA); 457b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek MWL8K_CMDNAME(SET_BEACON); 458a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_PRE_SCAN); 459a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_POST_SCAN); 460a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_RF_CHANNEL); 461ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_AID); 462ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_RATE); 463ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_FINALIZE_JOIN); 464ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(RTS_THRESHOLD); 465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_SLOT); 466ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_EDCA_PARAMS); 467ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_WMM_MODE); 468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(MIMO_CONFIG); 469ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(USE_FIXED_RATE); 470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(ENABLE_SNIFFER); 47132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek MWL8K_CMDNAME(SET_MAC_ADDR); 472a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_RATEADAPT_MODE); 473b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek MWL8K_CMDNAME(BSS_START); 4743f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek MWL8K_CMDNAME(SET_NEW_STN); 475fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_CMDNAME(UPDATE_ENCRYPTION); 476ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(UPDATE_STADB); 4775faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_CMDNAME(BASTREAM); 4783aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam MWL8K_CMDNAME(GET_WATCHDOG_BITMAP); 479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek default: 480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(buf, bufsize, "0x%x", cmd); 481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#undef MWL8K_CMDNAME 483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return buf; 485a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 487a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Hardware and firmware reset */ 488a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_hw_reset(struct mwl8k_priv *priv) 489a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_RESET, 491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_RESET, 493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msleep(20); 495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 497a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Release fw image */ 498d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolostatic void mwl8k_release_fw(const struct firmware **fw) 499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (*fw == NULL) 501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 502a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek release_firmware(*fw); 503a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek *fw = NULL; 504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 506a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_release_firmware(struct mwl8k_priv *priv) 507a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 50822be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek mwl8k_release_fw(&priv->fw_ucode); 50922be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek mwl8k_release_fw(&priv->fw_helper); 510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 51299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo/* states for asynchronous f/w loading */ 51399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic void mwl8k_fw_state_machine(const struct firmware *fw, void *context); 51499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnoloenum { 51599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo FW_STATE_INIT = 0, 51699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo FW_STATE_LOADING_PREF, 51799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo FW_STATE_LOADING_ALT, 51899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo FW_STATE_ERROR, 51999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo}; 52099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 521a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Request fw image */ 522a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_request_fw(struct mwl8k_priv *priv, 523d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo const char *fname, const struct firmware **fw, 52499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo bool nowait) 525a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 526a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* release current image */ 527a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (*fw != NULL) 528a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_fw(fw); 529a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 53099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (nowait) 53199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return request_firmware_nowait(THIS_MODULE, 1, fname, 53299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->pdev->dev, GFP_KERNEL, 53399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv, mwl8k_fw_state_machine); 53499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 535d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo return request_firmware(fw, fname, &priv->pdev->dev); 536a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 537a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 53899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic int mwl8k_request_firmware(struct mwl8k_priv *priv, char *fw_image, 53999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo bool nowait) 540a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 541a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek struct mwl8k_device_info *di = priv->device_info; 542a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 543a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 544a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek if (di->helper_image != NULL) { 54599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (nowait) 54699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, di->helper_image, 54799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->fw_helper, true); 54899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 54999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, di->helper_image, 55099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->fw_helper, false); 55199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 55299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting helper fw %s\n", 55399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo pci_name(priv->pdev), di->helper_image); 55499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 55599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc || nowait) 556a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek return rc; 557a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 558a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 55999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (nowait) { 56099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo /* 56199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * if we get here, no helper image is needed. Skip the 56299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * FW_STATE_INIT state. 56399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo */ 56499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_LOADING_PREF; 56599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, fw_image, 56699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->fw_ucode, 56799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo true); 56899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else 56999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, fw_image, 57099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->fw_ucode, false); 571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 572c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Error requesting firmware file %s\n", 5730863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo pci_name(priv->pdev), fw_image); 57422be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek mwl8k_release_fw(&priv->fw_helper); 575a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 576a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 578a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 579a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 580a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 581a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_pkt { 582a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 code; 583a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 length; 584f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek __u8 seq_num; 585f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek __u8 macid; 586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 result; 587a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek char payload[0]; 588ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 591a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Firmware loading. 592a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_send_fw_load_cmd(struct mwl8k_priv *priv, void *data, int length) 595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs = priv->regs; 597a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma_addr; 598a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int loops; 599a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr = pci_map_single(priv->pdev, data, length, PCI_DMA_TODEVICE); 601a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma_addr)) 602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR); 605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, regs + MWL8K_HIU_INT_CODE); 606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DOORBELL, 607a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 610a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 611a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek loops = 1000; 612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 613a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 int_code; 61498929824eec490984e42ac9dc3b96f7f12033996Nishant Sarmukadam if (priv->is_8764) { 61598929824eec490984e42ac9dc3b96f7f12033996Nishant Sarmukadam int_code = ioread32(regs + 61698929824eec490984e42ac9dc3b96f7f12033996Nishant Sarmukadam MWL8K_HIU_H2A_INTERRUPT_STATUS); 61798929824eec490984e42ac9dc3b96f7f12033996Nishant Sarmukadam if (int_code == 0) 61898929824eec490984e42ac9dc3b96f7f12033996Nishant Sarmukadam break; 61998929824eec490984e42ac9dc3b96f7f12033996Nishant Sarmukadam } else { 62098929824eec490984e42ac9dc3b96f7f12033996Nishant Sarmukadam int_code = ioread32(regs + MWL8K_HIU_INT_CODE); 62198929824eec490984e42ac9dc3b96f7f12033996Nishant Sarmukadam if (int_code == MWL8K_INT_CODE_CMD_FINISHED) { 62298929824eec490984e42ac9dc3b96f7f12033996Nishant Sarmukadam iowrite32(0, regs + MWL8K_HIU_INT_CODE); 62398929824eec490984e42ac9dc3b96f7f12033996Nishant Sarmukadam break; 62498929824eec490984e42ac9dc3b96f7f12033996Nishant Sarmukadam } 625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 6263d76e82c9538d8104e578ca460d35f214bfddfd3Lennert Buytenhek cond_resched(); 627a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 628a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (--loops); 629a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 630a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, length, PCI_DMA_TODEVICE); 631a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 632d4b7057052236e81ab0788cc8df306dc02b0e7beLennert Buytenhek return loops ? 0 : -ETIMEDOUT; 633a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 635a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_load_fw_image(struct mwl8k_priv *priv, 636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *data, size_t length) 637a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 638a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt *cmd; 639a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int done; 640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc = 0; 641a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 642a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kmalloc(sizeof(*cmd) + 256, GFP_KERNEL); 643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 645a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->code = cpu_to_le16(MWL8K_CMD_CODE_DNLD); 647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->seq_num = 0; 648f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek cmd->macid = 0; 649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->result = 0; 650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done = 0; 652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (length) { 653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int block_size = length > 256 ? 256 : length; 654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(cmd->payload, data + done, block_size); 656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->length = cpu_to_le16(block_size); 657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, cmd, 659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(*cmd) + block_size); 660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done += block_size; 664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek length -= block_size; 665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 668a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->length = 0; 669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, cmd, sizeof(*cmd)); 670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 671a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 672a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 673a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 674a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 675a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_feed_fw_image(struct mwl8k_priv *priv, 678a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *data, size_t length) 679a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 680a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned char *buffer; 681a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int may_continue, rc = 0; 682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 done, prev_block_size; 683a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 684a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek buffer = kmalloc(1024, GFP_KERNEL); 685a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (buffer == NULL) 686a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 687a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done = 0; 689a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prev_block_size = 0; 690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue = 1000; 691a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (may_continue > 0) { 692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 block_size; 693a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 694a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek block_size = ioread32(priv->regs + MWL8K_HIU_SCRATCH); 695a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size & 1) { 696a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek block_size &= ~1; 697a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue--; 698a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 699a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done += prev_block_size; 700a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek length -= prev_block_size; 701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 702a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 703a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size > 1024 || block_size > length) { 704a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EOVERFLOW; 705a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 707a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 708a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (length == 0) { 709a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = 0; 710a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 711a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 712a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 713a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size == 0) { 714a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EPROTO; 715a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue--; 716a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 717a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek continue; 718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 719a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 720a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prev_block_size = block_size; 721a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(buffer, data + done, block_size); 722a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 723a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, buffer, block_size); 724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 726a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 727a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 728a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc && length != 0) 729a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EREMOTEIO; 730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 731a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(buffer); 732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 733a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 736c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhekstatic int mwl8k_load_firmware(struct ieee80211_hw *hw) 737a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 738c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 739d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo const struct firmware *fw = priv->fw_ucode; 740c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek int rc; 741c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek int loops; 742c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek 74398929824eec490984e42ac9dc3b96f7f12033996Nishant Sarmukadam if (!memcmp(fw->data, "\x01\x00\x00\x00", 4) && !priv->is_8764) { 744d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo const struct firmware *helper = priv->fw_helper; 745a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 746c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek if (helper == NULL) { 747c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: helper image needed but none " 748c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "given\n", pci_name(priv->pdev)); 749c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek return -EINVAL; 750c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek } 751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 752c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_load_fw_image(priv, helper->data, helper->size); 753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 754a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: unable to load firmware " 755c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "helper image\n", pci_name(priv->pdev)); 756a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 757a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 758ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar msleep(20); 759a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 760c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_feed_fw_image(priv, fw->data, fw->size); 761a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 76298929824eec490984e42ac9dc3b96f7f12033996Nishant Sarmukadam if (priv->is_8764) 76398929824eec490984e42ac9dc3b96f7f12033996Nishant Sarmukadam rc = mwl8k_feed_fw_image(priv, fw->data, fw->size); 76498929824eec490984e42ac9dc3b96f7f12033996Nishant Sarmukadam else 76598929824eec490984e42ac9dc3b96f7f12033996Nishant Sarmukadam rc = mwl8k_load_fw_image(priv, fw->data, fw->size); 766a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 767a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 768a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 769c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: unable to load firmware image\n", 770c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek pci_name(priv->pdev)); 771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 772a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 773a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 77489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek iowrite32(MWL8K_MODE_STA, priv->regs + MWL8K_HIU_GEN_PTR); 775a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 77689b872e2e476833cde8aaac658c75817f67e8f81Lennert Buytenhek loops = 500000; 777a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 778eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek u32 ready_code; 779eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek 780eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek ready_code = ioread32(priv->regs + MWL8K_HIU_INT_CODE); 781eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek if (ready_code == MWL8K_FWAP_READY) { 7823db1cd5c05f35fb43eb134df6f321de4e63141f2Rusty Russell priv->ap_fw = true; 783eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek break; 784eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek } else if (ready_code == MWL8K_FWSTA_READY) { 7853db1cd5c05f35fb43eb134df6f321de4e63141f2Rusty Russell priv->ap_fw = false; 786a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 787eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek } 788eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek 789eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek cond_resched(); 790a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 791a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (--loops); 792a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 793a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return loops ? 0 : -ETIMEDOUT; 794a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 795a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 796a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 797a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* DMA header used by firmware and hardware. */ 798a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_dma_data { 799a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 fwlen; 800a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr wh; 80120f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek char data[0]; 802ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 803a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 804a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Routines to add/remove DMA header from skb. */ 80520f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhekstatic inline void mwl8k_remove_dma_header(struct sk_buff *skb, __le16 qos) 806a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 80720f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek struct mwl8k_dma_data *tr; 80820f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek int hdrlen; 80920f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 81020f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek tr = (struct mwl8k_dma_data *)skb->data; 81120f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek hdrlen = ieee80211_hdrlen(tr->wh.frame_control); 81220f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 81320f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek if (hdrlen != sizeof(tr->wh)) { 81420f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek if (ieee80211_is_data_qos(tr->wh.frame_control)) { 81520f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek memmove(tr->data - hdrlen, &tr->wh, hdrlen - 2); 81620f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek *((__le16 *)(tr->data - 2)) = qos; 81720f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek } else { 81820f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek memmove(tr->data - hdrlen, &tr->wh, hdrlen); 81920f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek } 820a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 82120f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 82220f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek if (hdrlen != sizeof(*tr)) 82320f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek skb_pull(skb, sizeof(*tr) - hdrlen); 824a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 825a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 826ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar#define REDUCED_TX_HEADROOM 8 827ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 828252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadamstatic void 829e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powarmwl8k_add_dma_header(struct mwl8k_priv *priv, struct sk_buff *skb, 830e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar int head_pad, int tail_pad) 831a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 832a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 833ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek int hdrlen; 834252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam int reqd_hdrlen; 835a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_dma_data *tr; 836a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 837ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek /* 838ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * Add a firmware DMA header; the firmware requires that we 839ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * present a 2-byte payload length followed by a 4-address 840ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * header (without QoS field), followed (optionally) by any 841ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * WEP/ExtIV header (but only filled in for CCMP). 842ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek */ 843a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 844ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek 845a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hdrlen = ieee80211_hdrlen(wh->frame_control); 846ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 847ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar /* 848ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar * Check if skb_resize is required because of 849ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar * tx_headroom adjustment. 850ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar */ 851ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar if (priv->ap_fw && (hdrlen < (sizeof(struct ieee80211_cts) 852ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar + REDUCED_TX_HEADROOM))) { 853ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar if (pskb_expand_head(skb, REDUCED_TX_HEADROOM, 0, GFP_ATOMIC)) { 854ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 855ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar wiphy_err(priv->hw->wiphy, 856ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar "Failed to reallocate TX buffer\n"); 857ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar return; 858ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar } 859ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar skb->truesize += REDUCED_TX_HEADROOM; 860ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar } 861ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 862e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar reqd_hdrlen = sizeof(*tr) + head_pad; 863252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam 864252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam if (hdrlen != reqd_hdrlen) 865252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam skb_push(skb, reqd_hdrlen - hdrlen); 866a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 867ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek if (ieee80211_is_data_qos(wh->frame_control)) 868252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam hdrlen -= IEEE80211_QOS_CTL_LEN; 869a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 870a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tr = (struct mwl8k_dma_data *)skb->data; 871a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (wh != &tr->wh) 872a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memmove(&tr->wh, wh, hdrlen); 873ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek if (hdrlen != sizeof(tr->wh)) 874ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek memset(((void *)&tr->wh) + hdrlen, 0, sizeof(tr->wh) - hdrlen); 875a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 876a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 877a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Firmware length is the length of the fully formed "802.11 878a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * payload". That is, everything except for the 802.11 header. 879a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This includes all crypto material including the MIC. 880a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 881252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam tr->fwlen = cpu_to_le16(skb->len - sizeof(*tr) + tail_pad); 882a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 883a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 884ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powarstatic void mwl8k_encapsulate_tx_frame(struct mwl8k_priv *priv, 885ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar struct sk_buff *skb) 886e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam{ 887e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam struct ieee80211_hdr *wh; 888e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam struct ieee80211_tx_info *tx_info; 889e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam struct ieee80211_key_conf *key_conf; 890e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam int data_pad; 891e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar int head_pad = 0; 892e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 893e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam wh = (struct ieee80211_hdr *)skb->data; 894e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 895e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam tx_info = IEEE80211_SKB_CB(skb); 896e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 897e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam key_conf = NULL; 898e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam if (ieee80211_is_data(wh->frame_control)) 899e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam key_conf = tx_info->control.hw_key; 900e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 901e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam /* 902e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * Make sure the packet header is in the DMA header format (4-address 903e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar * without QoS), and add head & tail padding when HW crypto is enabled. 904e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * 905e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * We have the following trailer padding requirements: 906e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * - WEP: 4 trailer bytes (ICV) 907e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * - TKIP: 12 trailer bytes (8 MIC + 4 ICV) 908e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * - CCMP: 8 trailer bytes (MIC) 909e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam */ 910e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam data_pad = 0; 911e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam if (key_conf != NULL) { 912e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar head_pad = key_conf->iv_len; 913e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam switch (key_conf->cipher) { 914e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam case WLAN_CIPHER_SUITE_WEP40: 915e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam case WLAN_CIPHER_SUITE_WEP104: 916e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam data_pad = 4; 917e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam break; 918e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam case WLAN_CIPHER_SUITE_TKIP: 919e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam data_pad = 12; 920e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam break; 921e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam case WLAN_CIPHER_SUITE_CCMP: 922e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam data_pad = 8; 923e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam break; 924e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam } 925e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam } 926e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar mwl8k_add_dma_header(priv, skb, head_pad, data_pad); 927e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam} 928a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 929a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 930d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam * Packet reception for 88w8366/88w8764 AP firmware. 9316f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek */ 932d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadamstruct mwl8k_rxd_ap { 9336f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le16 pkt_len; 9346f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 sq2; 9356f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rate; 9366f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 pkt_phys_addr; 9376f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 next_rxd_phys_addr; 9386f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le16 qos_control; 9396f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le16 htsig2; 9406f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 hw_rssi_info; 9416f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 hw_noise_floor_info; 9426f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 noise_floor; 9436f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 pad0[3]; 9446f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rssi; 9456f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rx_status; 9466f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 channel; 9476f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rx_ctrl; 948ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 9496f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 950d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam#define MWL8K_AP_RATE_INFO_MCS_FORMAT 0x80 951d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam#define MWL8K_AP_RATE_INFO_40MHZ 0x40 952d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam#define MWL8K_AP_RATE_INFO_RATEID(x) ((x) & 0x3f) 9538e9f33f0ced82a797d285b233e1c956cbd5c7de3Lennert Buytenhek 954d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam#define MWL8K_AP_RX_CTRL_OWNED_BY_HOST 0x80 9556f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 956d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam/* 8366/8764 AP rx_status bits */ 957d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam#define MWL8K_AP_RXSTAT_DECRYPT_ERR_MASK 0x80 958d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam#define MWL8K_AP_RXSTAT_GENERAL_DECRYPT_ERR 0xFF 959d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam#define MWL8K_AP_RXSTAT_TKIP_DECRYPT_MIC_ERR 0x02 960d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam#define MWL8K_AP_RXSTAT_WEP_DECRYPT_ICV_ERR 0x04 961d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam#define MWL8K_AP_RXSTAT_TKIP_DECRYPT_ICV_ERR 0x08 962d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 963d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadamstatic void mwl8k_rxd_ap_init(void *_rxd, dma_addr_t next_dma_addr) 9646f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek{ 965d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam struct mwl8k_rxd_ap *rxd = _rxd; 9666f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9676f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->next_rxd_phys_addr = cpu_to_le32(next_dma_addr); 968d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam rxd->rx_ctrl = MWL8K_AP_RX_CTRL_OWNED_BY_HOST; 9696f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek} 9706f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 971d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadamstatic void mwl8k_rxd_ap_refill(void *_rxd, dma_addr_t addr, int len) 9726f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek{ 973d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam struct mwl8k_rxd_ap *rxd = _rxd; 9746f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9756f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->pkt_len = cpu_to_le16(len); 9766f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->pkt_phys_addr = cpu_to_le32(addr); 9776f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek wmb(); 9786f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->rx_ctrl = 0; 9796f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek} 9806f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9816f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhekstatic int 982d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadammwl8k_rxd_ap_process(void *_rxd, struct ieee80211_rx_status *status, 983d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam __le16 *qos, s8 *noise) 9846f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek{ 985d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam struct mwl8k_rxd_ap *rxd = _rxd; 9866f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 987d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam if (!(rxd->rx_ctrl & MWL8K_AP_RX_CTRL_OWNED_BY_HOST)) 9886f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek return -1; 9896f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rmb(); 9906f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9916f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek memset(status, 0, sizeof(*status)); 9926f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9936f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->signal = -rxd->rssi; 9940d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville *noise = -rxd->noise_floor; 9956f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 996d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam if (rxd->rate & MWL8K_AP_RATE_INFO_MCS_FORMAT) { 9976f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->flag |= RX_FLAG_HT; 998d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam if (rxd->rate & MWL8K_AP_RATE_INFO_40MHZ) 9998e9f33f0ced82a797d285b233e1c956cbd5c7de3Lennert Buytenhek status->flag |= RX_FLAG_40MHZ; 1000d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam status->rate_idx = MWL8K_AP_RATE_INFO_RATEID(rxd->rate); 10016f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } else { 10026f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek int i; 10036f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 1004777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek for (i = 0; i < ARRAY_SIZE(mwl8k_rates_24); i++) { 1005777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek if (mwl8k_rates_24[i].hw_value == rxd->rate) { 10066f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->rate_idx = i; 10076f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek break; 10086f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } 10096f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } 10106f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } 10116f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 1012854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek if (rxd->channel > 14) { 1013854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->band = IEEE80211_BAND_5GHZ; 1014854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek if (!(status->flag & RX_FLAG_HT)) 1015854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->rate_idx -= 5; 1016854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek } else { 1017854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->band = IEEE80211_BAND_2GHZ; 1018854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek } 101959eb21a6504731fc16db4cf9463065dd61093e08Bruno Randolf status->freq = ieee80211_channel_to_frequency(rxd->channel, 102059eb21a6504731fc16db4cf9463065dd61093e08Bruno Randolf status->band); 10216f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 102220f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek *qos = rxd->qos_control; 102320f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 1024d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam if ((rxd->rx_status != MWL8K_AP_RXSTAT_GENERAL_DECRYPT_ERR) && 1025d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam (rxd->rx_status & MWL8K_AP_RXSTAT_DECRYPT_ERR_MASK) && 1026d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam (rxd->rx_status & MWL8K_AP_RXSTAT_TKIP_DECRYPT_MIC_ERR)) 1027d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam status->flag |= RX_FLAG_MMIC_ERROR; 1028d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 10296f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek return le16_to_cpu(rxd->pkt_len); 10306f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek} 10316f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 1032d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadamstatic struct rxd_ops rxd_ap_ops = { 1033d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam .rxd_size = sizeof(struct mwl8k_rxd_ap), 1034d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam .rxd_init = mwl8k_rxd_ap_init, 1035d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam .rxd_refill = mwl8k_rxd_ap_refill, 1036d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam .rxd_process = mwl8k_rxd_ap_process, 10376f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek}; 10386f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 10396f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek/* 104089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek * Packet reception for STA firmware. 1041a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 104289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstruct mwl8k_rxd_sta { 1043a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pkt_len; 1044a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 link_quality; 1045a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 noise_level; 1046a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pkt_phys_addr; 104745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 next_rxd_phys_addr; 1048a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 qos_control; 1049a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 rate_info; 1050a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pad0[4]; 1051a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rssi; 1052a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 channel; 1053a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pad1; 1054a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_ctrl; 1055a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_status; 1056a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 pad2[2]; 1057ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 1058a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 105989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_SHORTPRE 0x8000 106089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_ANTSELECT(x) (((x) >> 11) & 0x3) 106189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_RATEID(x) (((x) >> 3) & 0x3f) 106289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_40MHZ 0x0004 106389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_SHORTGI 0x0002 106489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_MCS_FORMAT 0x0001 106554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 106689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RX_CTRL_OWNED_BY_HOST 0x02 1067d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_STA_RX_CTRL_DECRYPT_ERROR 0x04 1068d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam/* ICV=0 or MIC=1 */ 1069d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_STA_RX_CTRL_DEC_ERR_TYPE 0x08 1070d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam/* Key is uploaded only in failure case */ 1071d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_STA_RX_CTRL_KEY_INDEX 0x30 107254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 107389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_sta_init(void *_rxd, dma_addr_t next_dma_addr) 107454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek{ 107589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_sta *rxd = _rxd; 107654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 107754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->next_rxd_phys_addr = cpu_to_le32(next_dma_addr); 107889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek rxd->rx_ctrl = MWL8K_STA_RX_CTRL_OWNED_BY_HOST; 107954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek} 108054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 108189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_sta_refill(void *_rxd, dma_addr_t addr, int len) 108254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek{ 108389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_sta *rxd = _rxd; 108454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 108554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->pkt_len = cpu_to_le16(len); 108654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->pkt_phys_addr = cpu_to_le32(addr); 108754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek wmb(); 108854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->rx_ctrl = 0; 108954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek} 109054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 109154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhekstatic int 109289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekmwl8k_rxd_sta_process(void *_rxd, struct ieee80211_rx_status *status, 10930d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville __le16 *qos, s8 *noise) 109454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek{ 109589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_sta *rxd = _rxd; 109654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek u16 rate_info; 109754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 109889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (!(rxd->rx_ctrl & MWL8K_STA_RX_CTRL_OWNED_BY_HOST)) 109954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek return -1; 110054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rmb(); 110154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 110254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rate_info = le16_to_cpu(rxd->rate_info); 110354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 110454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek memset(status, 0, sizeof(*status)); 110554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 110654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->signal = -rxd->rssi; 11070d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville *noise = -rxd->noise_level; 110889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek status->antenna = MWL8K_STA_RATE_INFO_ANTSELECT(rate_info); 110989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek status->rate_idx = MWL8K_STA_RATE_INFO_RATEID(rate_info); 111054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 111189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_SHORTPRE) 111254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_SHORTPRE; 111389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_40MHZ) 111454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_40MHZ; 111589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_SHORTGI) 111654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_SHORT_GI; 111789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_MCS_FORMAT) 111854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_HT; 111954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 1120854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek if (rxd->channel > 14) { 1121854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->band = IEEE80211_BAND_5GHZ; 1122854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek if (!(status->flag & RX_FLAG_HT)) 1123854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->rate_idx -= 5; 1124854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek } else { 1125854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->band = IEEE80211_BAND_2GHZ; 1126854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek } 112759eb21a6504731fc16db4cf9463065dd61093e08Bruno Randolf status->freq = ieee80211_channel_to_frequency(rxd->channel, 112859eb21a6504731fc16db4cf9463065dd61093e08Bruno Randolf status->band); 112954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 113020f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek *qos = rxd->qos_control; 1131d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if ((rxd->rx_ctrl & MWL8K_STA_RX_CTRL_DECRYPT_ERROR) && 1132d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam (rxd->rx_ctrl & MWL8K_STA_RX_CTRL_DEC_ERR_TYPE)) 1133d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam status->flag |= RX_FLAG_MMIC_ERROR; 113420f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 113554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek return le16_to_cpu(rxd->pkt_len); 113654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek} 113754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 113889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic struct rxd_ops rxd_sta_ops = { 113989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_size = sizeof(struct mwl8k_rxd_sta), 114089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_init = mwl8k_rxd_sta_init, 114189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_refill = mwl8k_rxd_sta_refill, 114289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_process = mwl8k_rxd_sta_process, 114354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek}; 114454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 114554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 1146a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_DESCS 256 1147a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_MAXSZ 3800 1148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1149a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_rxq_init(struct ieee80211_hw *hw, int index) 1150a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1151a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 1153a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int size; 1154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1155a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 115645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd_count = 0; 115745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->head = 0; 115845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->tail = 0; 1159a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 116054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek size = MWL8K_RX_DESCS * priv->rxd_ops->rxd_size; 1161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1162e6443b24c74110309790a2bb3f5566c9fb5eac66Joe Perches rxq->rxd = pci_zalloc_consistent(priv->pdev, size, &rxq->rxd_dma); 116345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (rxq->rxd == NULL) { 11645db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to alloc RX descriptors\n"); 1165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1168b9ede5f1dc03f96949dcaa8f8b3483766c047260Shan Wei rxq->buf = kcalloc(MWL8K_RX_DESCS, sizeof(*rxq->buf), GFP_KERNEL); 1169788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek if (rxq->buf == NULL) { 117045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek pci_free_consistent(priv->pdev, size, rxq->rxd, rxq->rxd_dma); 1171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1172a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1173a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1174a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_RX_DESCS; i++) { 117554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek int desc_size; 117654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 1177a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int nexti; 117854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek dma_addr_t next_dma_addr; 117954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 118054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek desc_size = priv->rxd_ops->rxd_size; 118154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd = rxq->rxd + (i * priv->rxd_ops->rxd_size); 1182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 118354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek nexti = i + 1; 118454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (nexti == MWL8K_RX_DESCS) 118554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek nexti = 0; 118654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek next_dma_addr = rxq->rxd_dma + (nexti * desc_size); 1187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 118854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek priv->rxd_ops->rxd_init(rxd, next_dma_addr); 1189a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1190a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1191a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1192a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int rxq_refill(struct ieee80211_hw *hw, int index, int limit) 1195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 1198a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int refilled; 1199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1200a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek refilled = 0; 120145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek while (rxq->rxd_count < MWL8K_RX_DESCS && limit--) { 1202a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 1203788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek dma_addr_t addr; 1204a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rx; 120554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 1206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb = dev_alloc_skb(MWL8K_RX_MAXSZ); 1208a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (skb == NULL) 1209a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 1210a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1211788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek addr = pci_map_single(priv->pdev, skb->data, 1212788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, DMA_FROM_DEVICE); 1213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 121454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->rxd_count++; 121554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rx = rxq->tail++; 121654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (rxq->tail == MWL8K_RX_DESCS) 121754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->tail = 0; 1218788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[rx].skb = skb; 121953b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr_set(&rxq->buf[rx], dma, addr); 122054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 122154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd = rxq->rxd + (rx * priv->rxd_ops->rxd_size); 122254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek priv->rxd_ops->rxd_refill(rxd, addr, MWL8K_RX_MAXSZ); 1223a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek refilled++; 1225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return refilled; 1228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Must be called only when the card's reception is completely halted */ 1231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_rxq_deinit(struct ieee80211_hw *hw, int index) 1232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 1235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 123773b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (rxq->rxd == NULL) 123873b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo return; 123973b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo 1240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_RX_DESCS; i++) { 1241788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek if (rxq->buf[i].skb != NULL) { 1242788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_single(priv->pdev, 124353b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr(&rxq->buf[i], dma), 1244788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE); 124553b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr_set(&rxq->buf[i], dma, 0); 1246788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek 1247788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek kfree_skb(rxq->buf[i].skb); 1248788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[i].skb = NULL; 1249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1252788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek kfree(rxq->buf); 1253788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf = NULL; 1254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 125654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek MWL8K_RX_DESCS * priv->rxd_ops->rxd_size, 125745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd, rxq->rxd_dma); 125845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd = NULL; 1259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Scan a list of BSSIDs to process for finalize join. 1264a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Allows for extension to process multiple BSSIDs. 1265a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline int 1267a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_capture_bssid(struct mwl8k_priv *priv, struct ieee80211_hdr *wh) 1268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return priv->capture_beacon && 1270a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_is_beacon(wh->frame_control) && 12713f9a79b5bb0aca128062e33426662b6d9c1b423eJulia Lawall ether_addr_equal_64bits(wh->addr3, priv->capture_bssid); 1272a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1273a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 12743779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhekstatic inline void mwl8k_save_beacon(struct ieee80211_hw *hw, 12753779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek struct sk_buff *skb) 1276a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 12773779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 12783779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek 1279a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = false; 1280d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memset(priv->capture_bssid, 0, ETH_ALEN); 1281a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1282a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 1283a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Use GFP_ATOMIC as rxq_process is called from 1284a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * the primary interrupt handler, memory allocation call 1285a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * must not sleep. 1286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->beacon_skb = skb_copy(skb, GFP_ATOMIC); 1288a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->beacon_skb != NULL) 12893779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek ieee80211_queue_work(hw, &priv->finalize_join_worker); 1290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1292d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadamstatic inline struct mwl8k_vif *mwl8k_find_vif_bss(struct list_head *vif_list, 1293d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam u8 *bssid) 1294d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam{ 1295d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam struct mwl8k_vif *mwl8k_vif; 1296d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1297d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam list_for_each_entry(mwl8k_vif, 1298d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam vif_list, list) { 1299d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (memcmp(bssid, mwl8k_vif->bssid, 1300d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam ETH_ALEN) == 0) 1301d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam return mwl8k_vif; 1302d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 1303d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1304d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam return NULL; 1305d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam} 1306d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1307a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int rxq_process(struct ieee80211_hw *hw, int index, int limit) 1308a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1309a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1310d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam struct mwl8k_vif *mwl8k_vif = NULL; 1311a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 1312a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int processed; 1313a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1314a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek processed = 0; 131545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek while (rxq->rxd_count && limit--) { 1316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 131754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 131854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek int pkt_len; 1319a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rx_status status; 1320d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam struct ieee80211_hdr *wh; 132120f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek __le16 qos; 1322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1323788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek skb = rxq->buf[rxq->head].skb; 1324d25f9f1357139bbdc79bc960ea84909a7c22ec2bLennert Buytenhek if (skb == NULL) 1325d25f9f1357139bbdc79bc960ea84909a7c22ec2bLennert Buytenhek break; 132654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 132754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd = rxq->rxd + (rxq->head * priv->rxd_ops->rxd_size); 132854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 13290d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville pkt_len = priv->rxd_ops->rxd_process(rxd, &status, &qos, 13300d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville &priv->noise); 133154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (pkt_len < 0) 133254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek break; 133354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 1334788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[rxq->head].skb = NULL; 1335788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek 1336788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_single(priv->pdev, 133753b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr(&rxq->buf[rxq->head], dma), 1338788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE); 133953b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr_set(&rxq->buf[rxq->head], dma, 0); 1340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 134154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->head++; 134254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (rxq->head == MWL8K_RX_DESCS) 134354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->head = 0; 134454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 134545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd_count--; 1346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1347d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam wh = &((struct mwl8k_dma_data *)skb->data)->wh; 1348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 1350c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * Check for a pending join operation. Save a 1351c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * copy of the beacon and schedule a tasklet to 1352c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * send a FINALIZE_JOIN command to the firmware. 1353a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 135454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (mwl8k_capture_bssid(priv, (void *)skb->data)) 13553779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek mwl8k_save_beacon(hw, skb); 1356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1357d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (ieee80211_has_protected(wh->frame_control)) { 1358d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1359d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam /* Check if hw crypto has been enabled for 1360d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * this bss. If yes, set the status flags 1361d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * accordingly 1362d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam */ 1363d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam mwl8k_vif = mwl8k_find_vif_bss(&priv->vif_list, 1364d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam wh->addr1); 1365d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1366d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (mwl8k_vif != NULL && 136723677ce3172fcb93522a1df077d21019e73ee1e3Joe Perches mwl8k_vif->is_hw_crypto_enabled) { 1368d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam /* 1369d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * When MMIC ERROR is encountered 1370d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * by the firmware, payload is 1371d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * dropped and only 32 bytes of 1372d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * mwl8k Firmware header is sent 1373d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * to the host. 1374d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * 1375d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * We need to add four bytes of 1376d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * key information. In it 1377d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * MAC80211 expects keyidx set to 1378d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * 0 for triggering Counter 1379d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * Measure of MMIC failure. 1380d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam */ 1381d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (status.flag & RX_FLAG_MMIC_ERROR) { 1382d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam struct mwl8k_dma_data *tr; 1383d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam tr = (struct mwl8k_dma_data *)skb->data; 1384d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam memset((void *)&(tr->data), 0, 4); 1385d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam pkt_len += 4; 1386d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 1387d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1388d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (!ieee80211_is_auth(wh->frame_control)) 1389d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam status.flag |= RX_FLAG_IV_STRIPPED | 1390d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam RX_FLAG_DECRYPTED | 1391d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam RX_FLAG_MMIC_STRIPPED; 1392d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 1393d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 1394d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1395d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam skb_put(skb, pkt_len); 1396d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam mwl8k_remove_dma_header(skb, qos); 1397f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); 1398f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg ieee80211_rx_irqsafe(hw, skb); 1399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek processed++; 1401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return processed; 1404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1405a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1408a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Packet transmission. 1409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK 0x00000001 1412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK_RETRY 0x00000002 1413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK_MORE_RETRY 0x00000004 1414a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_MULTICAST_TX 0x00000008 1415a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_FW_OWNED 0x80000000 1416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1417e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_QLEN_UNSPEC 0xff00 1418e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_ACK_POLICY_MASK 0x0060 1419e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_ACK_POLICY_NORMAL 0x0000 1420e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_ACK_POLICY_BLOCKACK 0x0060 1421e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_EOSP 0x0010 1422e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek 1423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_tx_desc { 1424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 status; 1425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 data_rate; 1426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 tx_priority; 1427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 qos_control; 1428a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pkt_phys_addr; 1429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pkt_len; 1430d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 dest_MAC_addr[ETH_ALEN]; 143145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 next_txd_phys_addr; 14328a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo __le32 timestamp; 1433a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 rate_info; 1434a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 peer_id; 1435a1fe24b0fd8bf16b4e551ae3fb785bfc574b9ffbBrian Cavagnolo __u8 tx_frag_cnt; 1436ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 1437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TX_DESCS 128 1439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_txq_init(struct ieee80211_hw *hw, int index) 1441a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1442a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1443a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int size; 1445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 14478ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo txq->len = 0; 144845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->head = 0; 144945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail = 0; 1450a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek size = MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc); 1452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1453e6443b24c74110309790a2bb3f5566c9fb5eac66Joe Perches txq->txd = pci_zalloc_consistent(priv->pdev, size, &txq->txd_dma); 145445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->txd == NULL) { 14555db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to alloc TX descriptors\n"); 1456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1457a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1458a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1459b9ede5f1dc03f96949dcaa8f8b3483766c047260Shan Wei txq->skb = kcalloc(MWL8K_TX_DESCS, sizeof(*txq->skb), GFP_KERNEL); 146045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->skb == NULL) { 146145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek pci_free_consistent(priv->pdev, size, txq->txd, txq->txd_dma); 1462a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1463a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_DESCS; i++) { 1466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int nexti; 1468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 146945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc = txq->txd + i; 1470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek nexti = (i + 1) % MWL8K_TX_DESCS; 1471a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1472a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->status = 0; 147345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc->next_txd_phys_addr = 147445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cpu_to_le32(txq->txd_dma + nexti * sizeof(*tx_desc)); 1475a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline void mwl8k_tx_start(struct mwl8k_priv *priv) 1481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_PPA_READY, 1483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 1485a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ioread32(priv->regs + MWL8K_HIU_INT_CODE); 1487a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1488a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 14897e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhekstatic void mwl8k_dump_tx_rings(struct ieee80211_hw *hw) 1490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 14917e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 14927e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int i; 14937e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1494e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) { 14957e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + i; 14967e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int fw_owned = 0; 14977e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int drv_owned = 0; 14987e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int unused = 0; 14997e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int desc; 15007e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (desc = 0; desc < MWL8K_TX_DESCS; desc++) { 15027e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek struct mwl8k_tx_desc *tx_desc = txq->txd + desc; 15037e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek u32 status; 1504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15057e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek status = le32_to_cpu(tx_desc->status); 1506a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_TXD_STATUS_FW_OWNED) 15077e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek fw_owned++; 1508a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek else 15097e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek drv_owned++; 1510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (tx_desc->pkt_len == 0) 15127e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek unused++; 1513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1515c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_err(hw->wiphy, 1516c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "txq[%d] len=%d head=%d tail=%d " 1517c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "fw_owned=%d drv_owned=%d unused=%d\n", 1518c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches i, 1519c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches txq->len, txq->head, txq->tail, 1520c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches fw_owned, drv_owned, unused); 15217e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek } 1522a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1523a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1524618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek/* 152588de754ad59025eba797e7a8375807755577f450Lennert Buytenhek * Must be called with priv->fw_mutex held and tx queues stopped. 1526618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek */ 152762abd3cfb2f1a0ab1963ac4c4087c477da6b1f2aLennert Buytenhek#define MWL8K_TX_WAIT_TIMEOUT_MS 5000 15287e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1529950d5b0191dc3e71017f336017f75f6189f39f08Lennert Buytenhekstatic int mwl8k_tx_wait_empty(struct ieee80211_hw *hw) 1530a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1531a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 153288de754ad59025eba797e7a8375807755577f450Lennert Buytenhek DECLARE_COMPLETION_ONSTACK(tx_wait); 15337e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int retry; 15347e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int rc; 1535a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1536a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek might_sleep(); 1537a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15386b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* Since fw restart is in progress, allow only the firmware 15396b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * commands from the restart code and block the other 15406b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * commands since they are going to fail in any case since 15416b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * the firmware has crashed 15426b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 15436b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->hw_restart_in_progress) { 15446b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->hw_restart_owner == current) 15456b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar return 0; 15466b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar else 15476b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar return -EBUSY; 15486b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar } 15496b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 1550c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar if (atomic_read(&priv->watchdog_event_pending)) 1551c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar return 0; 1552c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar 15537e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek /* 15547e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek * The TX queues are stopped at this point, so this test 15557e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek * doesn't need to take ->tx_lock. 15567e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek */ 15577e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek if (!priv->pending_tx_pkts) 15587e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek return 0; 15597e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1560bbf71a8f35cf52e97ba129401f82ccefd249c757Nishant Sarmukadam retry = 1; 15617e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek rc = 0; 15627e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1563a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 15647e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek priv->tx_wait = &tx_wait; 15657e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek while (!rc) { 15667e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int oldcount; 15677e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek unsigned long timeout; 1568a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15697e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek oldcount = priv->pending_tx_pkts; 1570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15717e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek spin_unlock_bh(&priv->tx_lock); 157288de754ad59025eba797e7a8375807755577f450Lennert Buytenhek timeout = wait_for_completion_timeout(&tx_wait, 15737e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek msecs_to_jiffies(MWL8K_TX_WAIT_TIMEOUT_MS)); 1574c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar 1575c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar if (atomic_read(&priv->watchdog_event_pending)) { 1576c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar spin_lock_bh(&priv->tx_lock); 1577c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar priv->tx_wait = NULL; 1578c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar spin_unlock_bh(&priv->tx_lock); 1579c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar return 0; 1580c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar } 1581c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar 1582a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 15837e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1584bbf71a8f35cf52e97ba129401f82ccefd249c757Nishant Sarmukadam if (timeout || !priv->pending_tx_pkts) { 15857e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek WARN_ON(priv->pending_tx_pkts); 1586ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar if (retry) 1587c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_notice(hw->wiphy, "tx rings drained\n"); 15887e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek break; 15897e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek } 15907e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1591bbf71a8f35cf52e97ba129401f82ccefd249c757Nishant Sarmukadam if (retry) { 1592bbf71a8f35cf52e97ba129401f82ccefd249c757Nishant Sarmukadam mwl8k_tx_start(priv); 1593bbf71a8f35cf52e97ba129401f82ccefd249c757Nishant Sarmukadam retry = 0; 1594bbf71a8f35cf52e97ba129401f82ccefd249c757Nishant Sarmukadam continue; 1595bbf71a8f35cf52e97ba129401f82ccefd249c757Nishant Sarmukadam } 1596bbf71a8f35cf52e97ba129401f82ccefd249c757Nishant Sarmukadam 15977e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek if (priv->pending_tx_pkts < oldcount) { 1598c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_notice(hw->wiphy, 1599c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "waiting for tx rings to drain (%d -> %d pkts)\n", 1600c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches oldcount, priv->pending_tx_pkts); 16017e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek retry = 1; 16027e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek continue; 16037e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek } 16047e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->tx_wait = NULL; 1606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1607c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_err(hw->wiphy, "tx rings stuck for %d ms\n", 1608c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches MWL8K_TX_WAIT_TIMEOUT_MS); 16097e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek mwl8k_dump_tx_rings(hw); 16106b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hw_restart_in_progress = true; 16116b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar ieee80211_queue_work(hw, &priv->fw_reload); 16127e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 16137e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek rc = -ETIMEDOUT; 1614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 16159b0b11fb1e286e03ce911b94844952edd05f554eNishant Sarmukadam priv->tx_wait = NULL; 16167e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek spin_unlock_bh(&priv->tx_lock); 1617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 16187e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek return rc; 1619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1621c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek#define MWL8K_TXD_SUCCESS(status) \ 1622c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek ((status) & (MWL8K_TXD_STATUS_OK | \ 1623c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek MWL8K_TXD_STATUS_OK_RETRY | \ 1624c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek MWL8K_TXD_STATUS_OK_MORE_RETRY)) 1625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1626a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadamstatic int mwl8k_tid_queue_mapping(u8 tid) 1627a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam{ 1628a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam BUG_ON(tid > 7); 1629a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam 1630a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam switch (tid) { 1631a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 0: 1632a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 3: 1633a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return IEEE80211_AC_BE; 1634a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 1: 1635a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 2: 1636a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return IEEE80211_AC_BK; 1637a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 4: 1638a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 5: 1639a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return IEEE80211_AC_VI; 1640a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 6: 1641a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 7: 1642a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return IEEE80211_AC_VO; 1643a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam default: 1644a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return -1; 1645a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam } 1646a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam} 1647a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam 1648170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam/* The firmware will fill in the rate information 1649170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam * for each packet that gets queued in the hardware 165049adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville * and these macros will interpret that info. 1651170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam */ 1652170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam 165349adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville#define RI_FORMAT(a) (a & 0x0001) 165449adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville#define RI_RATE_ID_MCS(a) ((a & 0x01f8) >> 3) 1655170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam 1656efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhekstatic int 1657efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhekmwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int limit, int force) 1658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1661efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek int processed; 1662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1663efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek processed = 0; 16648ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo while (txq->len > 0 && limit--) { 1665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int tx; 1666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long addr; 1668ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek int size; 1669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 1670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_info *info; 1671a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 status; 1672170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam struct ieee80211_sta *sta; 1673170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam struct mwl8k_sta *sta_info = NULL; 1674170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam u16 rate_info; 1675170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam struct ieee80211_hdr *wh; 1676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 167745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx = txq->head; 167845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc = txq->txd + tx; 1679a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1680a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = le32_to_cpu(tx_desc->status); 1681a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_TXD_STATUS_FW_OWNED) { 1683a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!force) 1684a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 1685a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->status &= 1686a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ~cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED); 1687a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 168945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->head = (tx + 1) % MWL8K_TX_DESCS; 16908ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo BUG_ON(txq->len == 0); 16918ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo txq->len--; 1692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts--; 1693a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1694a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek addr = le32_to_cpu(tx_desc->pkt_phys_addr); 1695ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek size = le16_to_cpu(tx_desc->pkt_len); 169645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek skb = txq->skb[tx]; 169745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb[tx] = NULL; 1698a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1699a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek BUG_ON(skb == NULL); 1700a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, addr, size, PCI_DMA_TODEVICE); 1701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 170220f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek mwl8k_remove_dma_header(skb, tx_desc->qos_control); 1703a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1704170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam wh = (struct ieee80211_hdr *) skb->data; 1705170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam 1706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Mark descriptor as unused */ 1707a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->pkt_phys_addr = 0; 1708a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->pkt_len = 0; 1709a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1710a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek info = IEEE80211_SKB_CB(skb); 1711170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam if (ieee80211_is_data(wh->frame_control)) { 171289e1180121f281af16855d4954b9fe3d7354fe73Thomas Huehn rcu_read_lock(); 171389e1180121f281af16855d4954b9fe3d7354fe73Thomas Huehn sta = ieee80211_find_sta_by_ifaddr(hw, wh->addr1, 171489e1180121f281af16855d4954b9fe3d7354fe73Thomas Huehn wh->addr2); 1715170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam if (sta) { 1716170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam sta_info = MWL8K_STA(sta); 1717170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam BUG_ON(sta_info == NULL); 1718170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam rate_info = le16_to_cpu(tx_desc->rate_info); 1719170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam /* If rate is < 6.5 Mpbs for an ht station 1720170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam * do not form an ampdu. If the station is a 1721170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam * legacy station (format = 0), do not form an 1722170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam * ampdu 1723170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam */ 172449adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville if (RI_RATE_ID_MCS(rate_info) < 1 || 172549adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville RI_FORMAT(rate_info) == 0) { 1726170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam sta_info->is_ampdu_allowed = false; 1727170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } else { 1728170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam sta_info->is_ampdu_allowed = true; 1729170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } 1730170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } 173189e1180121f281af16855d4954b9fe3d7354fe73Thomas Huehn rcu_read_unlock(); 1732170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } 1733170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam 1734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_tx_info_clear_status(info); 17350bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam 17360bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam /* Rate control is happening in the firmware. 17370bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam * Ensure no tx rate is being reported. 17380bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam */ 1739ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar info->status.rates[0].idx = -1; 1740ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar info->status.rates[0].count = 1; 17410bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam 1742ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek if (MWL8K_TXD_SUCCESS(status)) 1743a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek info->flags |= IEEE80211_TX_STAT_ACK; 1744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1745a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_tx_status_irqsafe(hw, skb); 1746a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1747efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek processed++; 1748a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1749a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1750efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek return processed; 1751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1752a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* must be called only when the card's transmit is completely halted */ 1754a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_txq_deinit(struct ieee80211_hw *hw, int index) 1755a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1756a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1757a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 175973b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (txq->txd == NULL) 176073b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo return; 176173b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo 1762efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek mwl8k_txq_reclaim(hw, index, INT_MAX, 1); 1763a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 176445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek kfree(txq->skb); 176545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb = NULL; 1766a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1767a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 1768a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc), 176945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->txd, txq->txd_dma); 177045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->txd = NULL; 1771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1772a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1773ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo/* caller must hold priv->stream_lock when calling the stream functions */ 1774ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powarstatic struct mwl8k_ampdu_stream * 1775ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolomwl8k_add_stream(struct ieee80211_hw *hw, struct ieee80211_sta *sta, u8 tid) 1776ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo{ 1777ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo struct mwl8k_ampdu_stream *stream; 1778ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo struct mwl8k_priv *priv = hw->priv; 1779ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo int i; 1780ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 17817fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar for (i = 0; i < MWL8K_NUM_AMPDU_STREAMS; i++) { 1782ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream = &priv->ampdu[i]; 1783ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (stream->state == AMPDU_NO_STREAM) { 1784ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->sta = sta; 1785ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->state = AMPDU_STREAM_NEW; 1786ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->tid = tid; 1787ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->idx = i; 1788ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo wiphy_debug(hw->wiphy, "Added a new stream for %pM %d", 1789ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo sta->addr, tid); 1790ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return stream; 1791ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo } 1792ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo } 1793ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return NULL; 1794ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo} 1795ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1796ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolostatic int 1797ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolomwl8k_start_stream(struct ieee80211_hw *hw, struct mwl8k_ampdu_stream *stream) 1798ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo{ 1799ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo int ret; 1800ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1801ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo /* if the stream has already been started, don't start it again */ 1802ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (stream->state != AMPDU_STREAM_NEW) 1803ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return 0; 1804ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo ret = ieee80211_start_tx_ba_session(stream->sta, stream->tid, 0); 1805ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (ret) 1806ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo wiphy_debug(hw->wiphy, "Failed to start stream for %pM %d: " 1807ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo "%d\n", stream->sta->addr, stream->tid, ret); 1808ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo else 1809ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo wiphy_debug(hw->wiphy, "Started stream for %pM %d\n", 1810ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->sta->addr, stream->tid); 1811ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return ret; 1812ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo} 1813ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1814ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolostatic void 1815ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolomwl8k_remove_stream(struct ieee80211_hw *hw, struct mwl8k_ampdu_stream *stream) 1816ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo{ 1817ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo wiphy_debug(hw->wiphy, "Remove stream for %pM %d\n", stream->sta->addr, 1818ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->tid); 1819ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo memset(stream, 0, sizeof(*stream)); 1820ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo} 1821ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1822ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolostatic struct mwl8k_ampdu_stream * 1823ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolomwl8k_lookup_stream(struct ieee80211_hw *hw, u8 *addr, u8 tid) 1824ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo{ 1825ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo struct mwl8k_priv *priv = hw->priv; 1826ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo int i; 1827ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 18287fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar for (i = 0; i < MWL8K_NUM_AMPDU_STREAMS; i++) { 1829ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo struct mwl8k_ampdu_stream *stream; 1830ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream = &priv->ampdu[i]; 1831ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (stream->state == AMPDU_NO_STREAM) 1832ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo continue; 1833ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (!memcmp(stream->sta->addr, addr, ETH_ALEN) && 1834ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->tid == tid) 1835ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return stream; 1836ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo } 1837ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return NULL; 1838ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo} 1839ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1840d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo#define MWL8K_AMPDU_PACKET_THRESHOLD 64 1841d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolostatic inline bool mwl8k_ampdu_allowed(struct ieee80211_sta *sta, u8 tid) 1842d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo{ 1843d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct mwl8k_sta *sta_info = MWL8K_STA(sta); 1844d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct tx_traffic_info *tx_stats; 1845d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1846d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo BUG_ON(tid >= MWL8K_MAX_TID); 1847d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats = &sta_info->tx_stats[tid]; 1848d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1849d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo return sta_info->is_ampdu_allowed && 1850d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->pkts > MWL8K_AMPDU_PACKET_THRESHOLD; 1851d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo} 1852d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1853d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolostatic inline void mwl8k_tx_count_packet(struct ieee80211_sta *sta, u8 tid) 1854d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo{ 1855d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct mwl8k_sta *sta_info = MWL8K_STA(sta); 1856d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct tx_traffic_info *tx_stats; 1857d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1858d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo BUG_ON(tid >= MWL8K_MAX_TID); 1859d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats = &sta_info->tx_stats[tid]; 1860d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1861d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo if (tx_stats->start_time == 0) 1862d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->start_time = jiffies; 1863d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1864d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo /* reset the packet count after each second elapses. If the number of 1865d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo * packets ever exceeds the ampdu_min_traffic threshold, we will allow 1866d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo * an ampdu stream to be started. 1867d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo */ 1868d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo if (jiffies - tx_stats->start_time > HZ) { 1869d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->pkts = 0; 1870d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->start_time = 0; 1871d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo } else 1872d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->pkts++; 1873d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo} 1874d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 18757fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar/* The hardware ampdu queues start from 5. 18767fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar * txpriorities for ampdu queues are 18777fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar * 5 6 7 0 1 2 3 4 ie., queue 5 is highest 18787fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar * and queue 3 is lowest (queue 4 is reserved) 18797fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar */ 18807fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar#define BA_QUEUE 5 18817fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar 18827bb4568372856688bc070917265bce0b88bb7d4dJohannes Bergstatic void 188336323f817af0376c78612cfdab714b0feb05fea5Thomas Huehnmwl8k_txq_xmit(struct ieee80211_hw *hw, 188436323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn int index, 188536323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn struct ieee80211_sta *sta, 188636323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn struct sk_buff *skb) 1887a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1888a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1889a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_info *tx_info; 189023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek struct mwl8k_vif *mwl8k_vif; 1891a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 1892a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq; 1893a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx; 1894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma; 189523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u32 txstatus; 189623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u8 txdatarate; 189723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u16 qos; 189865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam int txpriority; 189965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam u8 tid = 0; 190065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam struct mwl8k_ampdu_stream *stream = NULL; 190165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam bool start_ba_session = false; 19023a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam bool mgmtframe = false; 1903a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data; 1904e1f4d69b631468d915a9ed4a0a64dba77705492dNishant Sarmukadam bool eapol_frame = false; 1905a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 190623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 190723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (ieee80211_is_data_qos(wh->frame_control)) 190823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = le16_to_cpu(*((__le16 *)ieee80211_get_qos_ctl(wh))); 190923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek else 191023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = 0; 1911a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1912e1f4d69b631468d915a9ed4a0a64dba77705492dNishant Sarmukadam if (skb->protocol == cpu_to_be16(ETH_P_PAE)) 1913e1f4d69b631468d915a9ed4a0a64dba77705492dNishant Sarmukadam eapol_frame = true; 1914e1f4d69b631468d915a9ed4a0a64dba77705492dNishant Sarmukadam 19153a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam if (ieee80211_is_mgmt(wh->frame_control)) 19163a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam mgmtframe = true; 19173a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam 1918d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (priv->ap_fw) 1919ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar mwl8k_encapsulate_tx_frame(priv, skb); 1920d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam else 1921e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar mwl8k_add_dma_header(priv, skb, 0, 0); 1922d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 192323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek wh = &((struct mwl8k_dma_data *)skb->data)->wh; 1924a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1925a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_info = IEEE80211_SKB_CB(skb); 1926a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif = MWL8K_VIF(tx_info->control.vif); 1927a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1928a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { 1929a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); 1930657232b625890f202867ede0ed67ecf15827ff80Lennert Buytenhek wh->seq_ctrl |= cpu_to_le16(mwl8k_vif->seqno); 1931657232b625890f202867ede0ed67ecf15827ff80Lennert Buytenhek mwl8k_vif->seqno += 0x10; 1932a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1933a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 193423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek /* Setup firmware control bit fields for each frame type. */ 193523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txstatus = 0; 193623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 0; 193723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (ieee80211_is_mgmt(wh->frame_control) || 193823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek ieee80211_is_ctl(wh->frame_control)) { 193923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 0; 1940e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos |= MWL8K_QOS_QLEN_UNSPEC | MWL8K_QOS_EOSP; 194123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek } else if (ieee80211_is_data(wh->frame_control)) { 194223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 1; 194323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (is_multicast_ether_addr(wh->addr1)) 194423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txstatus |= MWL8K_TXD_STATUS_MULTICAST_TX; 194523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 1946e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos &= ~MWL8K_QOS_ACK_POLICY_MASK; 194723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) 1948e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos |= MWL8K_QOS_ACK_POLICY_BLOCKACK; 194923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek else 1950e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos |= MWL8K_QOS_ACK_POLICY_NORMAL; 195123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek } 1952a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1953a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam /* Queue ADDBA request in the respective data queue. While setting up 1954a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * the ampdu stream, mac80211 queues further packets for that 1955a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * particular ra/tid pair. However, packets piled up in the hardware 1956a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * for that ra/tid pair will still go out. ADDBA request and the 1957a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * related data packets going out from different queues asynchronously 1958a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * will cause a shift in the receiver window which might result in 1959a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * ampdu packets getting dropped at the receiver after the stream has 1960a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * been setup. 1961a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam */ 1962a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam if (unlikely(ieee80211_is_action(wh->frame_control) && 1963a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam mgmt->u.action.category == WLAN_CATEGORY_BACK && 1964a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam mgmt->u.action.u.addba_req.action_code == WLAN_ACTION_ADDBA_REQ && 1965a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam priv->ap_fw)) { 1966a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam u16 capab = le16_to_cpu(mgmt->u.action.u.addba_req.capab); 1967a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; 1968a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam index = mwl8k_tid_queue_mapping(tid); 1969a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam } 1970a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam 197165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam txpriority = index; 197265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 1973e1f4d69b631468d915a9ed4a0a64dba77705492dNishant Sarmukadam if (priv->ap_fw && sta && sta->ht_cap.ht_supported && !eapol_frame && 1974e1f4d69b631468d915a9ed4a0a64dba77705492dNishant Sarmukadam ieee80211_is_data_qos(wh->frame_control)) { 197565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam tid = qos & 0xf; 1976d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo mwl8k_tx_count_packet(sta, tid); 197765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 197865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream = mwl8k_lookup_stream(hw, sta->addr, tid); 197965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (stream != NULL) { 198065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (stream->state == AMPDU_STREAM_ACTIVE) { 19815f2a14940db23350612071a3c906c8960e3ceb9aYogesh Ashok Powar WARN_ON(!(qos & MWL8K_QOS_ACK_POLICY_BLOCKACK)); 19827fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar txpriority = (BA_QUEUE + stream->idx) % 19837fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar TOTAL_HW_TX_QUEUES; 19847fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar if (stream->idx <= 1) 19857fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar index = stream->idx + 19867fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar MWL8K_TX_WMM_QUEUES; 19877fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar 198865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } else if (stream->state == AMPDU_STREAM_NEW) { 198965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* We get here if the driver sends us packets 199065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * after we've initiated a stream, but before 199165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * our ampdu_action routine has been called 199265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * with IEEE80211_AMPDU_TX_START to get the SSN 199365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * for the ADDBA request. So this packet can 199465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * go out with no risk of sequence number 199565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * mismatch. No special handling is required. 199665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 199765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } else { 199865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* Drop packets that would go out after the 199965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * ADDBA request was sent but before the ADDBA 200065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * response is received. If we don't do this, 200165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * the recipient would probably receive it 200265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * after the ADDBA request with SSN 0. This 200365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * will cause the recipient's BA receive window 200465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * to shift, which would cause the subsequent 200565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * packets in the BA stream to be discarded. 200665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * mac80211 queues our packets for us in this 200765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * case, so this is really just a safety check. 200865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 200965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_warn(hw->wiphy, 201065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam "Cannot send packet while ADDBA " 201165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam "dialog is underway.\n"); 201265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 201365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam dev_kfree_skb(skb); 201465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam return; 201565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 201665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } else { 201765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* Defer calling mwl8k_start_stream so that the current 201865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * skb can go out before the ADDBA request. This 201965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * prevents sequence number mismatch at the recepient 202065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * as described above. 202165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 2022d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo if (mwl8k_ampdu_allowed(sta, tid)) { 2023170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam stream = mwl8k_add_stream(hw, sta, tid); 2024170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam if (stream != NULL) 2025170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam start_ba_session = true; 2026170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } 202765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 202865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 20295f2a14940db23350612071a3c906c8960e3ceb9aYogesh Ashok Powar } else { 20305f2a14940db23350612071a3c906c8960e3ceb9aYogesh Ashok Powar qos &= ~MWL8K_QOS_ACK_POLICY_MASK; 20315f2a14940db23350612071a3c906c8960e3ceb9aYogesh Ashok Powar qos |= MWL8K_QOS_ACK_POLICY_NORMAL; 203265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 203365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 2034a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma = pci_map_single(priv->pdev, skb->data, 2035a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb->len, PCI_DMA_TODEVICE); 2036a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2037a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma)) { 2038c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_debug(hw->wiphy, 2039c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "failed to dma map skb, dropping TX frame.\n"); 204065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (start_ba_session) { 204165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 204265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_remove_stream(hw, stream); 204365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 204465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 204523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek dev_kfree_skb(skb); 20467bb4568372856688bc070917265bce0b88bb7d4dJohannes Berg return; 2047a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2048a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 204923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek spin_lock_bh(&priv->tx_lock); 2050a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 205123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txq = priv->txq + index; 2052a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 20533a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam /* Mgmt frames that go out frequently are probe 20543a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * responses. Other mgmt frames got out relatively 20553a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * infrequently. Hence reserve 2 buffers so that 20563a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * other mgmt frames do not get dropped due to an 20573a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * already queued probe response in one of the 20583a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * reserved buffers. 20593a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam */ 20603a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam 20613a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam if (txq->len >= MWL8K_TX_DESCS - 2) { 206223677ce3172fcb93522a1df077d21019e73ee1e3Joe Perches if (!mgmtframe || txq->len == MWL8K_TX_DESCS) { 20633a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam if (start_ba_session) { 20643a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam spin_lock(&priv->stream_lock); 20653a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam mwl8k_remove_stream(hw, stream); 20663a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam spin_unlock(&priv->stream_lock); 20673a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam } 2068bbf71a8f35cf52e97ba129401f82ccefd249c757Nishant Sarmukadam mwl8k_tx_start(priv); 20693a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam spin_unlock_bh(&priv->tx_lock); 2070ff7aa96f669d81b51339f7a0faf7ca37ed841ef1Nishant Sarmukadam pci_unmap_single(priv->pdev, dma, skb->len, 2071ff7aa96f669d81b51339f7a0faf7ca37ed841ef1Nishant Sarmukadam PCI_DMA_TODEVICE); 20723a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam dev_kfree_skb(skb); 20733a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam return; 20743a7dbc3b2ac545efac75d4145839eaa7b59d9741Pradeep Nemavat } 207565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 207665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 207745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek BUG_ON(txq->skb[txq->tail] != NULL); 207845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb[txq->tail] = skb; 2079a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 208045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx = txq->txd + txq->tail; 208123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->data_rate = txdatarate; 208265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam tx->tx_priority = txpriority; 2083a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->qos_control = cpu_to_le16(qos); 2084a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->pkt_phys_addr = cpu_to_le32(dma); 2085a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->pkt_len = cpu_to_le16(skb->len); 208623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->rate_info = 0; 208736323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn if (!priv->ap_fw && sta != NULL) 208836323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn tx->peer_id = MWL8K_STA(sta)->peer_id; 2089a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek else 2090a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek tx->peer_id = 0; 2091566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat 2092e1f4d69b631468d915a9ed4a0a64dba77705492dNishant Sarmukadam if (priv->ap_fw && ieee80211_is_data(wh->frame_control) && !eapol_frame) 2093566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat tx->timestamp = cpu_to_le32(ioread32(priv->regs + 2094566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat MWL8K_HW_TIMER_REGISTER)); 2095b8d9e572cb8794335fb4ba63ff962acaa3c4473bNishant Sarmukadam else 2096b8d9e572cb8794335fb4ba63ff962acaa3c4473bNishant Sarmukadam tx->timestamp = 0; 2097566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat 2098a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wmb(); 209923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->status = cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED | txstatus); 210023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 21018ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo txq->len++; 2102a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts++; 2103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 210445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail++; 210545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->tail == MWL8K_TX_DESCS) 210645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail = 0; 210723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 210823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek mwl8k_tx_start(priv); 2109a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2110a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 211165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 211265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* Initiate the ampdu session here */ 211365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (start_ba_session) { 211465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 211565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (mwl8k_start_stream(hw, stream)) 211665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_remove_stream(hw, stream); 211765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 211865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 2119a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2120a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2121a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2123618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * Firmware access. 2124618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * 2125618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * We have the following requirements for issuing firmware commands: 2126618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * - Some commands require that the packet transmit path is idle when 2127618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * the command is issued. (For simplicity, we'll just quiesce the 2128618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * transmit path for every command.) 2129618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * - There are certain sequences of commands that need to be issued to 2130618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * the hardware sequentially, with no other intervening commands. 2131618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * 2132618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * This leads to an implementation of a "firmware lock" as a mutex that 2133618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * can be taken recursively, and which is taken by both the low-level 2134618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * command submission function (mwl8k_post_cmd) as well as any users of 2135618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * that function that require issuing of an atomic sequence of commands, 2136618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * and quiesces the transmit path whenever it's taken. 2137618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek */ 2138618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhekstatic int mwl8k_fw_lock(struct ieee80211_hw *hw) 2139618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek{ 2140618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2141618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2142618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (priv->fw_mutex_owner != current) { 2143618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek int rc; 2144618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2145618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_lock(&priv->fw_mutex); 2146618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek ieee80211_stop_queues(hw); 2147618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2148618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek rc = mwl8k_tx_wait_empty(hw); 2149618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (rc) { 21506b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!priv->hw_restart_in_progress) 21516b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar ieee80211_wake_queues(hw); 21526b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 2153618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_unlock(&priv->fw_mutex); 2154618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2155618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return rc; 2156618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 2157618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2158618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_owner = current; 2159618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 2160618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2161618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_depth++; 2162618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2163618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return 0; 2164618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek} 2165618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2166618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhekstatic void mwl8k_fw_unlock(struct ieee80211_hw *hw) 2167618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek{ 2168618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2169618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2170618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (!--priv->fw_mutex_depth) { 21716b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!priv->hw_restart_in_progress) 21726b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar ieee80211_wake_queues(hw); 21736b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 2174618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_owner = NULL; 2175618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_unlock(&priv->fw_mutex); 2176618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 2177618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek} 2178618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2179e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powarstatic void mwl8k_enable_bsses(struct ieee80211_hw *hw, bool enable, 2180e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar u32 bitmap); 2181618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2182618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek/* 2183a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Command processing. 2184a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 21860c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek/* Timeout firmware commands after 10s */ 21870c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek#define MWL8K_CMD_TIMEOUT_MS 10000 2188a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2189a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd) 2190a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2191a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek DECLARE_COMPLETION_ONSTACK(cmd_wait); 2192a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs = priv->regs; 2194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma_addr; 2195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned int dma_size; 2196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long timeout = 0; 2198a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 buf[32]; 2199e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar u32 bitmap = 0; 2200e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar 2201e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar wiphy_dbg(hw->wiphy, "Posting %s [%d]\n", 2202e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), cmd->macid); 2203e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar 2204e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar /* Before posting firmware commands that could change the hardware 2205e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar * characteristics, make sure that all BSSes are stopped temporary. 2206e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar * Enable these stopped BSSes after completion of the commands 2207e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar */ 2208e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar 2209e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar rc = mwl8k_fw_lock(hw); 2210e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar if (rc) 2211e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar return rc; 2212e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar 2213e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar if (priv->ap_fw && priv->running_bsses) { 2214e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar switch (le16_to_cpu(cmd->code)) { 2215e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar case MWL8K_CMD_SET_RF_CHANNEL: 2216e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar case MWL8K_CMD_RADIO_CONTROL: 2217e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar case MWL8K_CMD_RF_TX_POWER: 2218e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar case MWL8K_CMD_TX_POWER: 2219e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar case MWL8K_CMD_RF_ANTENNA: 2220e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar case MWL8K_CMD_RTS_THRESHOLD: 2221e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar case MWL8K_CMD_MIMO_CONFIG: 2222e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar bitmap = priv->running_bsses; 2223e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar mwl8k_enable_bsses(hw, false, bitmap); 2224e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar break; 2225e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar } 2226e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar } 2227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2228b603742f49c3ec922522602e18ac22e8f6835132John W. Linville cmd->result = (__force __le16) 0xffff; 2229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_size = le16_to_cpu(cmd->length); 2230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr = pci_map_single(priv->pdev, cmd, dma_size, 2231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek PCI_DMA_BIDIRECTIONAL); 2232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma_addr)) 2233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hostcmd_wait = &cmd_wait; 2236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR); 2237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DOORBELL, 2238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 2239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 2240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 2241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek timeout = wait_for_completion_timeout(&cmd_wait, 2243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msecs_to_jiffies(MWL8K_CMD_TIMEOUT_MS)); 2244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2245618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->hostcmd_wait = NULL; 2246618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2247618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 224837055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, dma_size, 224937055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek PCI_DMA_BIDIRECTIONAL); 225037055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek 2251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!timeout) { 22525db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Command %s timeout after %u ms\n", 2253c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 2254c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches MWL8K_CMD_TIMEOUT_MS); 2255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -ETIMEDOUT; 2256a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 22570c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek int ms; 22580c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek 22590c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek ms = MWL8K_CMD_TIMEOUT_MS - jiffies_to_msecs(timeout); 22600c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek 2261ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek rc = cmd->result ? -EINVAL : 0; 2262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 22635db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Command %s error 0x%x\n", 2264c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 2265c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches le16_to_cpu(cmd->result)); 22660c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek else if (ms > 2000) 22675db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_notice(hw->wiphy, "Command %s took %d ms\n", 2268c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches mwl8k_cmd_name(cmd->code, 2269c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches buf, sizeof(buf)), 2270c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches ms); 2271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2272a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2273e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar if (bitmap) 2274e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar mwl8k_enable_bsses(hw, true, bitmap); 2275e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar 2276e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar mwl8k_fw_unlock(hw); 2277e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar 2278a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2279a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2280a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2281f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhekstatic int mwl8k_post_pervif_cmd(struct ieee80211_hw *hw, 2282f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek struct ieee80211_vif *vif, 2283f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek struct mwl8k_cmd_pkt *cmd) 2284f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek{ 2285f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek if (vif != NULL) 2286f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek cmd->macid = MWL8K_VIF(vif)->macid; 2287f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek return mwl8k_post_cmd(hw, cmd); 2288f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek} 2289f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek 2290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 22911349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek * Setup code shared between STA and AP firmware images. 22921349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek */ 22931349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhekstatic void mwl8k_setup_2ghz_band(struct ieee80211_hw *hw) 22941349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek{ 22951349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 22961349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 22971349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek BUILD_BUG_ON(sizeof(priv->channels_24) != sizeof(mwl8k_channels_24)); 22981349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek memcpy(priv->channels_24, mwl8k_channels_24, sizeof(mwl8k_channels_24)); 22991349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 23001349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek BUILD_BUG_ON(sizeof(priv->rates_24) != sizeof(mwl8k_rates_24)); 23011349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek memcpy(priv->rates_24, mwl8k_rates_24, sizeof(mwl8k_rates_24)); 23021349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 23031349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.band = IEEE80211_BAND_2GHZ; 23041349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.channels = priv->channels_24; 23051349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.n_channels = ARRAY_SIZE(mwl8k_channels_24); 23061349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.bitrates = priv->rates_24; 23071349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.n_bitrates = ARRAY_SIZE(mwl8k_rates_24); 23081349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 23091349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band_24; 23101349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek} 23111349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 23124eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhekstatic void mwl8k_setup_5ghz_band(struct ieee80211_hw *hw) 23134eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek{ 23144eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 23154eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 23164eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek BUILD_BUG_ON(sizeof(priv->channels_50) != sizeof(mwl8k_channels_50)); 23174eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek memcpy(priv->channels_50, mwl8k_channels_50, sizeof(mwl8k_channels_50)); 23184eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 23194eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek BUILD_BUG_ON(sizeof(priv->rates_50) != sizeof(mwl8k_rates_50)); 23204eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek memcpy(priv->rates_50, mwl8k_rates_50, sizeof(mwl8k_rates_50)); 23214eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 23224eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.band = IEEE80211_BAND_5GHZ; 23234eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.channels = priv->channels_50; 23244eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.n_channels = ARRAY_SIZE(mwl8k_channels_50); 23254eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.bitrates = priv->rates_50; 23264eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.n_bitrates = ARRAY_SIZE(mwl8k_rates_50); 23274eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 23284eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &priv->band_50; 23294eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek} 23304eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 23311349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek/* 233204b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhek * CMD_GET_HW_SPEC (STA version). 2333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 233404b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhekstruct mwl8k_cmd_get_hw_spec_sta { 2335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 hw_rev; 2337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 host_interface; 2338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 num_mcaddrs; 2339d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 2340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 region_code; 2341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 fw_rev; 2342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 ps_cookie; 2343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 caps; 2344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 mcs_bitmap[16]; 2345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 rx_queue_ptr; 2346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_tx_queues; 2347e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo __le32 tx_queue_ptrs[MWL8K_TX_WMM_QUEUES]; 2348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 caps2; 2349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_tx_desc_per_queue; 235045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 total_rxd; 2351ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2353341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_MAX_AMSDU 0x20000000 2354341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_GREENFIELD 0x08000000 2355341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_AMPDU 0x04000000 2356341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_RX_STBC 0x01000000 2357341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_TX_STBC 0x00800000 2358341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_SHORTGI_40MHZ 0x00400000 2359341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_SHORTGI_20MHZ 0x00200000 2360341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_RX_ANTENNA_MASK 0x000e0000 2361341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_TX_ANTENNA_MASK 0x0001c000 2362341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_DELAY_BA 0x00003000 2363341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_MIMO 0x00000200 2364341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_40MHZ 0x00000100 236506953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek#define MWL8K_CAP_BAND_MASK 0x00000007 236606953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek#define MWL8K_CAP_5GHZ 0x00000004 236706953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek#define MWL8K_CAP_2GHZ4 0x00000001 2368341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 236906953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhekstatic void 237006953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhekmwl8k_set_ht_caps(struct ieee80211_hw *hw, 237106953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek struct ieee80211_supported_band *band, u32 cap) 2372341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek{ 2373341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek int rx_streams; 2374341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek int tx_streams; 2375341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2376777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.ht_supported = 1; 2377341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2378341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_MAX_AMSDU) 2379777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU; 2380341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_GREENFIELD) 2381777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_GRN_FLD; 2382341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_AMPDU) { 2383341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION; 2384777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 2385777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; 2386341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek } 2387341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_RX_STBC) 2388777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_RX_STBC; 2389341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_TX_STBC) 2390777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC; 2391341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_SHORTGI_40MHZ) 2392777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; 2393341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_SHORTGI_20MHZ) 2394777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20; 2395341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_DELAY_BA) 2396777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_DELAY_BA; 2397341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_40MHZ) 2398777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2399341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2400341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek rx_streams = hweight32(cap & MWL8K_CAP_RX_ANTENNA_MASK); 2401341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek tx_streams = hweight32(cap & MWL8K_CAP_TX_ANTENNA_MASK); 2402341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2403777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.rx_mask[0] = 0xff; 2404341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (rx_streams >= 2) 2405777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.rx_mask[1] = 0xff; 2406341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (rx_streams >= 3) 2407777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.rx_mask[2] = 0xff; 2408777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.rx_mask[4] = 0x01; 2409777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 2410341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2411341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (rx_streams != tx_streams) { 2412777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF; 2413777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.tx_params |= (tx_streams - 1) << 2414341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT; 2415341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek } 2416341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek} 2417341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 241806953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhekstatic void 241906953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhekmwl8k_set_caps(struct ieee80211_hw *hw, u32 caps) 242006953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek{ 242106953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 242206953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek 2423c3f251a317e032c9ceaf539b02a962986f70b523Jonas Gorski if (priv->caps) 2424c3f251a317e032c9ceaf539b02a962986f70b523Jonas Gorski return; 2425c3f251a317e032c9ceaf539b02a962986f70b523Jonas Gorski 242606953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek if ((caps & MWL8K_CAP_2GHZ4) || !(caps & MWL8K_CAP_BAND_MASK)) { 242706953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_setup_2ghz_band(hw); 242806953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek if (caps & MWL8K_CAP_MIMO) 242906953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_set_ht_caps(hw, &priv->band_24, caps); 243006953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek } 243106953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek 243206953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek if (caps & MWL8K_CAP_5GHZ) { 243306953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_setup_5ghz_band(hw); 243406953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek if (caps & MWL8K_CAP_MIMO) 243506953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_set_ht_caps(hw, &priv->band_50, caps); 243606953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek } 2437c3f251a317e032c9ceaf539b02a962986f70b523Jonas Gorski 2438c3f251a317e032c9ceaf539b02a962986f70b523Jonas Gorski priv->caps = caps; 243906953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek} 244006953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek 244104b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhekstatic int mwl8k_cmd_get_hw_spec_sta(struct ieee80211_hw *hw) 2442a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2443a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 244404b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhek struct mwl8k_cmd_get_hw_spec_sta *cmd; 2445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 2447a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2448a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2450a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC); 2453a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2454a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2455a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr)); 2456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 245745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rxd_dma); 2458e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo cmd->num_tx_queues = cpu_to_le32(mwl8k_tx_queues(priv)); 2459e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 246045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].txd_dma); 24614ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS); 246245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS); 2463a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 2467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr); 2468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs); 24694ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek priv->fw_rev = le32_to_cpu(cmd->fw_rev); 2470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hw_rev = cmd->hw_rev; 247106953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_set_caps(hw, le32_to_cpu(cmd->caps)); 2472ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->ap_macids_supported = 0x00000000; 2473ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->sta_macids_supported = 0x00000001; 2474a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2475a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 248142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek * CMD_GET_HW_SPEC (AP version). 248242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek */ 248342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstruct mwl8k_cmd_get_hw_spec_ap { 248442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_pkt header; 248542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 hw_rev; 248642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 host_interface; 248742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_wcb; 248842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_mcaddrs; 248942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 249042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 region_code; 249142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_antenna; 249242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 fw_rev; 249342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase0; 249442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 rxwrptr; 249542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 rxrdptr; 249642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 ps_cookie; 249742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase1; 249842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase2; 249942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase3; 2500952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo __le32 fw_api_version; 25018a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo __le32 caps; 25028a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo __le32 num_of_ampdu_queues; 25038a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo __le32 wcbbase_ampdu[MWL8K_MAX_AMPDU_QUEUES]; 2504ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 250542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 250642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstatic int mwl8k_cmd_get_hw_spec_ap(struct ieee80211_hw *hw) 250742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek{ 250842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 250942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_get_hw_spec_ap *cmd; 25108a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo int rc, i; 2511952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo u32 api_version; 251242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 251342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 251442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (cmd == NULL) 251542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return -ENOMEM; 251642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 251742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC); 251842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 251942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 252042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr)); 252142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 252242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 252342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 252442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 252542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (!rc) { 252642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek int off; 252742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 2528952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo api_version = le32_to_cpu(cmd->fw_api_version); 2529952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo if (priv->device_info->fw_api_ap != api_version) { 2530952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo printk(KERN_ERR "%s: Unsupported fw API version for %s." 2531952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo " Expected %d got %d.\n", MWL8K_NAME, 2532952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo priv->device_info->part_name, 2533952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo priv->device_info->fw_api_ap, 2534952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo api_version); 2535952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo rc = -EINVAL; 2536952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo goto done; 2537952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo } 253842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr); 253942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs); 254042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek priv->fw_rev = le32_to_cpu(cmd->fw_rev); 254142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek priv->hw_rev = cmd->hw_rev; 25428a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo mwl8k_set_caps(hw, le32_to_cpu(cmd->caps)); 2543ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->ap_macids_supported = 0x000000ff; 2544d59c1cfd7c106f53272143bc3f05b0b15bdd5dfaYogesh Ashok Powar priv->sta_macids_supported = 0x00000100; 25458a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo priv->num_ampdu_queues = le32_to_cpu(cmd->num_of_ampdu_queues); 25468a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo if (priv->num_ampdu_queues > MWL8K_MAX_AMPDU_QUEUES) { 25478a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo wiphy_warn(hw->wiphy, "fw reported %d ampdu queues" 25488a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo " but we only support %d.\n", 25498a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo priv->num_ampdu_queues, 25508a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo MWL8K_MAX_AMPDU_QUEUES); 25518a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo priv->num_ampdu_queues = MWL8K_MAX_AMPDU_QUEUES; 25528a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo } 255342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek off = le32_to_cpu(cmd->rxwrptr) & 0xffff; 2554b603742f49c3ec922522602e18ac22e8f6835132John W. Linville iowrite32(priv->rxq[0].rxd_dma, priv->sram + off); 255542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 255642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek off = le32_to_cpu(cmd->rxrdptr) & 0xffff; 2557b603742f49c3ec922522602e18ac22e8f6835132John W. Linville iowrite32(priv->rxq[0].rxd_dma, priv->sram + off); 255842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 255973b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->txq_offset[0] = le32_to_cpu(cmd->wcbbase0) & 0xffff; 256073b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->txq_offset[1] = le32_to_cpu(cmd->wcbbase1) & 0xffff; 256173b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->txq_offset[2] = le32_to_cpu(cmd->wcbbase2) & 0xffff; 256273b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->txq_offset[3] = le32_to_cpu(cmd->wcbbase3) & 0xffff; 25638a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo 25648a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo for (i = 0; i < priv->num_ampdu_queues; i++) 2565e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo priv->txq_offset[i + MWL8K_TX_WMM_QUEUES] = 25668a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo le32_to_cpu(cmd->wcbbase_ampdu[i]) & 0xffff; 256742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek } 256842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 2569952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolodone: 257042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek kfree(cmd); 257142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return rc; 257242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek} 257342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 257442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek/* 257542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek * CMD_SET_HW_SPEC. 257642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek */ 257742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstruct mwl8k_cmd_set_hw_spec { 257842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_pkt header; 257942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 hw_rev; 258042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 host_interface; 258142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_mcaddrs; 258242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 258342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 region_code; 258442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 fw_rev; 258542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 ps_cookie; 258642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 caps; 258742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 rx_queue_ptr; 258842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 num_tx_queues; 2589e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo __le32 tx_queue_ptrs[MWL8K_MAX_TX_QUEUES]; 259042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 flags; 259142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 num_tx_desc_per_queue; 259242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 total_rxd; 2593ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 259442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 25958a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo/* If enabled, MWL8K_SET_HW_SPEC_FLAG_ENABLE_LIFE_TIME_EXPIRY will cause 25968a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * packets to expire 500 ms after the timestamp in the tx descriptor. That is, 25978a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * the packets that are queued for more than 500ms, will be dropped in the 25988a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * hardware. This helps minimizing the issues caused due to head-of-line 25998a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * blocking where a slow client can hog the bandwidth and affect traffic to a 26008a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * faster client. 26018a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo */ 26028a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo#define MWL8K_SET_HW_SPEC_FLAG_ENABLE_LIFE_TIME_EXPIRY 0x00000400 26033373b28e5af4a0b3c6cb39372581dcc1e41322ffNishant Sarmukadam#define MWL8K_SET_HW_SPEC_FLAG_GENERATE_CCMP_HDR 0x00000200 2604b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek#define MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT 0x00000080 2605b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek#define MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_PROBERESP 0x00000020 2606b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek#define MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_BEACON 0x00000010 260742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 260842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstatic int mwl8k_cmd_set_hw_spec(struct ieee80211_hw *hw) 260942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek{ 261042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 261142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_set_hw_spec *cmd; 261242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek int rc; 261342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek int i; 261442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 261542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 261642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (cmd == NULL) 261742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return -ENOMEM; 261842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 261942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_HW_SPEC); 262042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 262142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 262242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 262342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rxd_dma); 2624e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo cmd->num_tx_queues = cpu_to_le32(mwl8k_tx_queues(priv)); 262585c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam 262685c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam /* 262785c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam * Mac80211 stack has Q0 as highest priority and Q3 as lowest in 262885c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam * that order. Firmware has Q3 as highest priority and Q0 as lowest 262985c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam * in that order. Map Q3 of mac80211 to Q0 of firmware so that the 263085c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam * priority is interpreted the right way in firmware. 263185c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam */ 2632e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) { 2633e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo int j = mwl8k_tx_queues(priv) - 1 - i; 263485c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[j].txd_dma); 263585c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam } 263685c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam 2637b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->flags = cpu_to_le32(MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT | 2638b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_PROBERESP | 263931d291a769b4318cbf7943ca149e04d201e2c931Nishant Sarmukadam MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_BEACON | 26403373b28e5af4a0b3c6cb39372581dcc1e41322ffNishant Sarmukadam MWL8K_SET_HW_SPEC_FLAG_ENABLE_LIFE_TIME_EXPIRY | 26413373b28e5af4a0b3c6cb39372581dcc1e41322ffNishant Sarmukadam MWL8K_SET_HW_SPEC_FLAG_GENERATE_CCMP_HDR); 264242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS); 264342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS); 264442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 264542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 264642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek kfree(cmd); 264742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 264842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return rc; 264942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek} 265042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 265142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek/* 2652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_MAC_MULTICAST_ADR. 2653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_mac_multicast_adr { 2655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 numaddr; 2658ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek __u8 addr[0][ETH_ALEN]; 2659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 2660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2661d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_DIRECTED 0x0001 2662d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_MULTICAST 0x0002 2663d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_ALL_MULTICAST 0x0004 2664d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_BROADCAST 0x0008 2665ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek 2666e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhekstatic struct mwl8k_cmd_pkt * 2667447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek__mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw, int allmulti, 266822bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko struct netdev_hw_addr_list *mc_list) 2669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2670e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2671a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_mac_multicast_adr *cmd; 2672e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek int size; 267322bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko int mc_count = 0; 267422bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko 267522bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko if (mc_list) 267622bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko mc_count = netdev_hw_addr_list_count(mc_list); 2677e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 2678447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (allmulti || mc_count > priv->num_mcaddrs) { 2679d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek allmulti = 1; 2680d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek mc_count = 0; 2681d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek } 2682e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 2683e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek size = sizeof(*cmd) + mc_count * ETH_ALEN; 2684ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek 2685e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek cmd = kzalloc(size, GFP_ATOMIC); 2686a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2687e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return NULL; 2688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2689a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_MAC_MULTICAST_ADR); 2690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(size); 2691d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_ENABLE_RX_DIRECTED | 2692d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek MWL8K_ENABLE_RX_BROADCAST); 2693d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek 2694d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek if (allmulti) { 2695d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_ALL_MULTICAST); 2696d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek } else if (mc_count) { 269722bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko struct netdev_hw_addr *ha; 269822bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko int i = 0; 2699d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek 2700d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_MULTICAST); 2701d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->numaddr = cpu_to_le16(mc_count); 270222bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko netdev_hw_addr_list_for_each(ha, mc_list) { 270322bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko memcpy(cmd->addr[i], ha->addr, ETH_ALEN); 2704a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2705a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2707e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return &cmd->header; 2708a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2709a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2710a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 271155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_GET_STAT. 2712a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 271355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_get_stat { 2714a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2715a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 stats[64]; 2716ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2717a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_ACK_FAILURE 9 2719a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_RTS_FAILURE 12 2720a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_FCS_ERROR 24 2721a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_RTS_SUCCESS 11 2722a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 272355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_get_stat(struct ieee80211_hw *hw, 272455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct ieee80211_low_level_stats *stats) 2725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 272655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_get_stat *cmd; 2727a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2728a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2729a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2731a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2733a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_STAT); 2734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2736a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2737a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 2738a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11ACKFailureCount = 2739a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_ACK_FAILURE]); 2740a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11RTSFailureCount = 2741a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_FAILURE]); 2742a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11FCSErrorCount = 2743a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_FCS_ERROR]); 2744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11RTSSuccessCount = 2745a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_SUCCESS]); 2746a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2747a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2748a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2749a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2750a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2752a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 275355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_RADIO_CONTROL. 2754a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 275555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_radio_control { 2756a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2757a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 control; 2759a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 radio_on; 2760ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2761a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2762c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhekstatic int 276355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekmwl8k_cmd_radio_control(struct ieee80211_hw *hw, bool enable, bool force) 2764a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2765a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 276655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_radio_control *cmd; 2767a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2768a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2769c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek if (enable == priv->radio_on && !force) 2770a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 2771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2772a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2773a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2774a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2775a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2776a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RADIO_CONTROL); 2777a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2778a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 277968ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek cmd->control = cpu_to_le16(priv->radio_short_preamble ? 3 : 1); 2780a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->radio_on = cpu_to_le16(enable ? 0x0001 : 0x0000); 2781a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2782a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2783a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2784a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2785a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) 2786c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek priv->radio_on = enable; 2787a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2788a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2789a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2790a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 279155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_radio_disable(struct ieee80211_hw *hw) 2792c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek{ 279355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_radio_control(hw, 0, 0); 2794c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek} 2795c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek 279655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_radio_enable(struct ieee80211_hw *hw) 2797c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek{ 279855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_radio_control(hw, 1, 0); 2799c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek} 2800c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek 2801a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 2802a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_set_radio_preamble(struct ieee80211_hw *hw, bool short_preamble) 2803a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 280499200a992e365a73dc67a6570524e5f3af4386ddLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2805a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 280668ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek priv->radio_short_preamble = short_preamble; 2807a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 280855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_radio_control(hw, 1, 1); 2809a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2810a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2811a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 281255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_RF_TX_POWER. 2813a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 281441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_RF_TX_POWER_LEVEL_TOTAL 8 2815a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 281655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_rf_tx_power { 2817a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2818a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2819a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 support_level; 2820a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 current_level; 2821a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 reserved; 282241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 power_level_list[MWL8K_RF_TX_POWER_LEVEL_TOTAL]; 2823ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2824a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 282555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_rf_tx_power(struct ieee80211_hw *hw, int dBm) 2826a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 282755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_rf_tx_power *cmd; 2828a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2829a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2830a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2831a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2832a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2833a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2834a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RF_TX_POWER); 2835a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2836a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 2837a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->support_level = cpu_to_le16(dBm); 2838a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2839a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2840a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2841a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2842a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2843a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2844a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2845a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 284641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam * CMD_TX_POWER. 284741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam */ 284841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_TX_POWER_LEVEL_TOTAL 12 284941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 285041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadamstruct mwl8k_cmd_tx_power { 285141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam struct mwl8k_cmd_pkt header; 285241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 action; 285341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 band; 285441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 channel; 285541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 bw; 285641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 sub_ch; 285741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 power_level_list[MWL8K_TX_POWER_LEVEL_TOTAL]; 2858ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar} __packed; 285941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 286041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadamstatic int mwl8k_cmd_tx_power(struct ieee80211_hw *hw, 286141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam struct ieee80211_conf *conf, 286241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam unsigned short pwr) 286341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam{ 2864675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan struct ieee80211_channel *channel = conf->chandef.chan; 2865675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan enum nl80211_channel_type channel_type = 2866675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan cfg80211_get_chandef_type(&conf->chandef); 286741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam struct mwl8k_cmd_tx_power *cmd; 286841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam int rc; 286941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam int i; 287041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 287141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 287241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam if (cmd == NULL) 287341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam return -ENOMEM; 287441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 287541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_TX_POWER); 287641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 287741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->action = cpu_to_le16(MWL8K_CMD_SET_LIST); 287841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 287941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam if (channel->band == IEEE80211_BAND_2GHZ) 288041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->band = cpu_to_le16(0x1); 288141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam else if (channel->band == IEEE80211_BAND_5GHZ) 288241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->band = cpu_to_le16(0x4); 288341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 2884604c4ef1c453a1b2ea2cdf04d2b49afec421ebfaYogesh Ashok Powar cmd->channel = cpu_to_le16(channel->hw_value); 288541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 2886675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan if (channel_type == NL80211_CHAN_NO_HT || 2887675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan channel_type == NL80211_CHAN_HT20) { 288841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->bw = cpu_to_le16(0x2); 288941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam } else { 289041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->bw = cpu_to_le16(0x4); 2891675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan if (channel_type == NL80211_CHAN_HT40MINUS) 289241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->sub_ch = cpu_to_le16(0x3); 2893675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan else if (channel_type == NL80211_CHAN_HT40PLUS) 289441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->sub_ch = cpu_to_le16(0x1); 289541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam } 289641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 289741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam for (i = 0; i < MWL8K_TX_POWER_LEVEL_TOTAL; i++) 289841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->power_level_list[i] = cpu_to_le16(pwr); 289941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 290041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam rc = mwl8k_post_cmd(hw, &cmd->header); 290141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam kfree(cmd); 290241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 290341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam return rc; 290441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam} 290541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 290641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam/* 290708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek * CMD_RF_ANTENNA. 290808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek */ 290908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhekstruct mwl8k_cmd_rf_antenna { 291008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek struct mwl8k_cmd_pkt header; 291108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek __le16 antenna; 291208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek __le16 mode; 2913ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 291408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 291508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek#define MWL8K_RF_ANTENNA_RX 1 291608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek#define MWL8K_RF_ANTENNA_TX 2 291708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 291808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhekstatic int 291908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhekmwl8k_cmd_rf_antenna(struct ieee80211_hw *hw, int antenna, int mask) 292008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek{ 292108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek struct mwl8k_cmd_rf_antenna *cmd; 292208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek int rc; 292308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 292408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 292508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek if (cmd == NULL) 292608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek return -ENOMEM; 292708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 292808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RF_ANTENNA); 292908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 293008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->antenna = cpu_to_le16(antenna); 293108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->mode = cpu_to_le16(mask); 293208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 293308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 293408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek kfree(cmd); 293508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 293608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek return rc; 293708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek} 293808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 293908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek/* 2940b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * CMD_SET_BEACON. 2941b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek */ 2942b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstruct mwl8k_cmd_set_beacon { 2943b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_pkt header; 2944b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek __le16 beacon_len; 2945b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek __u8 beacon[0]; 2946b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek}; 2947b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2948aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhekstatic int mwl8k_cmd_set_beacon(struct ieee80211_hw *hw, 2949aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek struct ieee80211_vif *vif, u8 *beacon, int len) 2950b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 2951b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_set_beacon *cmd; 2952b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rc; 2953b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2954b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd = kzalloc(sizeof(*cmd) + len, GFP_KERNEL); 2955b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (cmd == NULL) 2956b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return -ENOMEM; 2957b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2958b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_BEACON); 2959b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd) + len); 2960b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->beacon_len = cpu_to_le16(len); 2961b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek memcpy(cmd->beacon, beacon, len); 2962b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2963aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 2964b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek kfree(cmd); 2965b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2966b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return rc; 2967b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 2968b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2969b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek/* 2970a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_PRE_SCAN. 2971a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2972a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_pre_scan { 2973a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2974ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2975a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2976a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_pre_scan(struct ieee80211_hw *hw) 2977a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2978a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_pre_scan *cmd; 2979a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2980a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2981a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2982a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2983a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2984a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2985a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_PRE_SCAN); 2986a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2987a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2988a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2989a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2990a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2991a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2992a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2993a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2994a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2995c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar * CMD_BBP_REG_ACCESS. 2996c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar */ 2997c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powarstruct mwl8k_cmd_bbp_reg_access { 2998c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar struct mwl8k_cmd_pkt header; 2999c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar __le16 action; 3000c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar __le16 offset; 3001c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar u8 value; 3002c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar u8 rsrv[3]; 3003c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar} __packed; 3004c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar 3005c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powarstatic int 3006c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powarmwl8k_cmd_bbp_reg_access(struct ieee80211_hw *hw, 3007c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar u16 action, 3008c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar u16 offset, 3009c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar u8 *value) 3010c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar{ 3011c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar struct mwl8k_cmd_bbp_reg_access *cmd; 3012c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar int rc; 3013c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar 3014c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3015c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar if (cmd == NULL) 3016c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar return -ENOMEM; 3017c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar 3018c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar cmd->header.code = cpu_to_le16(MWL8K_CMD_BBP_REG_ACCESS); 3019c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3020c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar cmd->action = cpu_to_le16(action); 3021c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar cmd->offset = cpu_to_le16(offset); 3022c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar 3023c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar rc = mwl8k_post_cmd(hw, &cmd->header); 3024c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar 3025c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar if (!rc) 3026c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar *value = cmd->value; 3027c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar else 3028c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar *value = 0; 3029c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar 3030c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar kfree(cmd); 3031c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar 3032c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar return rc; 3033c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar} 3034c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar 3035c3015313aea0f765dbe743f95087a5994db082f2Yogesh Ashok Powar/* 3036a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_POST_SCAN. 3037a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 3038a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_post_scan { 3039a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 3040a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 isibss; 3041d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 bssid[ETH_ALEN]; 3042ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3043a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3044a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 30450a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhekmwl8k_cmd_set_post_scan(struct ieee80211_hw *hw, const __u8 *mac) 3046a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3047a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_post_scan *cmd; 3048a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3049a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3050a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3051a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3052a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3053a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3054a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_POST_SCAN); 3055a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3056a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->isibss = 0; 3057d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memcpy(cmd->bssid, mac, ETH_ALEN); 3058a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3059a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3060a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3061a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3062a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3063a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3064a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3065031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powarstatic int freq_to_idx(struct mwl8k_priv *priv, int freq) 3066031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar{ 3067031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar struct ieee80211_supported_band *sband; 3068031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar int band, ch, idx = 0; 3069031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar 3070031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar for (band = IEEE80211_BAND_2GHZ; band < IEEE80211_NUM_BANDS; band++) { 3071031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar sband = priv->hw->wiphy->bands[band]; 3072031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar if (!sband) 3073031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar continue; 3074031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar 3075031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar for (ch = 0; ch < sband->n_channels; ch++, idx++) 3076031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar if (sband->channels[ch].center_freq == freq) 3077031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar goto exit; 3078031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar } 3079031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar 3080031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powarexit: 3081031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar return idx; 3082031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar} 3083031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar 3084c7c361efc49681962c5361e55a56d7ad8f5654a7Yogesh Ashok Powarstatic void mwl8k_update_survey(struct mwl8k_priv *priv, 3085c7c361efc49681962c5361e55a56d7ad8f5654a7Yogesh Ashok Powar struct ieee80211_channel *channel) 3086031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar{ 3087031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar u32 cca_cnt, rx_rdy; 3088031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar s8 nf = 0, idx; 3089031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar struct survey_info *survey; 3090031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar 3091031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar idx = freq_to_idx(priv, priv->acs_chan->center_freq); 3092031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar if (idx >= MWL8K_NUM_CHANS) { 3093031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar wiphy_err(priv->hw->wiphy, "Failed to update survey\n"); 3094031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar return; 3095031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar } 3096031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar 3097031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar survey = &priv->survey[idx]; 3098031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar 3099aa0bee1f409f76222ed009980425dbf12bc7133bYogesh Ashok Powar cca_cnt = ioread32(priv->regs + NOK_CCA_CNT_REG); 3100031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar cca_cnt /= 1000; /* uSecs to mSecs */ 3101031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar survey->channel_time_busy = (u64) cca_cnt; 3102031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar 3103aa0bee1f409f76222ed009980425dbf12bc7133bYogesh Ashok Powar rx_rdy = ioread32(priv->regs + BBU_RXRDY_CNT_REG); 3104031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar rx_rdy /= 1000; /* uSecs to mSecs */ 3105031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar survey->channel_time_rx = (u64) rx_rdy; 3106031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar 3107031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar priv->channel_time = jiffies - priv->channel_time; 3108031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar survey->channel_time = jiffies_to_msecs(priv->channel_time); 3109031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar 3110031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar survey->channel = channel; 3111031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar 3112031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar mwl8k_cmd_bbp_reg_access(priv->hw, 0, BBU_AVG_NOISE_VAL, &nf); 3113031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar 3114031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar /* Make sure sign is negative else ACS at hostapd fails */ 3115031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar survey->noise = nf * -1; 3116031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar 3117031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar survey->filled = SURVEY_INFO_NOISE_DBM | 3118031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar SURVEY_INFO_CHANNEL_TIME | 3119031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar SURVEY_INFO_CHANNEL_TIME_BUSY | 3120031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar SURVEY_INFO_CHANNEL_TIME_RX; 3121031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar} 3122031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar 3123a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 3124a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_RF_CHANNEL. 3125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 3126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_rf_channel { 3127a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 3128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 3129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 current_channel; 3130a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 channel_flags; 3131ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3132a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_rf_channel(struct ieee80211_hw *hw, 3134610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek struct ieee80211_conf *conf) 3135a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3136675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan struct ieee80211_channel *channel = conf->chandef.chan; 3137675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan enum nl80211_channel_type channel_type = 3138675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan cfg80211_get_chandef_type(&conf->chandef); 3139a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_rf_channel *cmd; 3140031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar struct mwl8k_priv *priv = hw->priv; 3141a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3142a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3143a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3144a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3145a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3146a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3147a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RF_CHANNEL); 3148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3149a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 3150a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->current_channel = channel->hw_value; 3151610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek 3152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (channel->band == IEEE80211_BAND_2GHZ) 3153610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x00000001); 315442574ea2274ec0a2a9c58ab01be91b65e60a2291Lennert Buytenhek else if (channel->band == IEEE80211_BAND_5GHZ) 315542574ea2274ec0a2a9c58ab01be91b65e60a2291Lennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x00000004); 3156610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek 3157031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar if (!priv->sw_scan_start) { 3158031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar if (channel_type == NL80211_CHAN_NO_HT || 3159031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar channel_type == NL80211_CHAN_HT20) 3160031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar cmd->channel_flags |= cpu_to_le32(0x00000080); 3161031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar else if (channel_type == NL80211_CHAN_HT40MINUS) 3162031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar cmd->channel_flags |= cpu_to_le32(0x000001900); 3163031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar else if (channel_type == NL80211_CHAN_HT40PLUS) 3164031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar cmd->channel_flags |= cpu_to_le32(0x000000900); 3165031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar } else { 3166610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x00000080); 3167031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar } 3168031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar 3169031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar if (priv->sw_scan_start) { 3170031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar /* Store current channel stats 3171031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar * before switching to newer one. 3172031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar * This will be processed only for AP fw. 3173031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar */ 3174031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar if (priv->channel_time != 0) 3175031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar mwl8k_update_survey(priv, priv->acs_chan); 3176031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar 3177031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar priv->channel_time = jiffies; 3178031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar priv->acs_chan = channel; 3179031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar } 3180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3181a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3183a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3184a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3186a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 318855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_AID. 3189a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 319055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_DISABLED 0x00 319155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_11G 0x07 319255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY 0x02 319355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_11N_HT_ALL 0x06 3194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 319555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_update_set_aid { 319655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 319755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 aid; 3198a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 319955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* AP's MAC address (BSSID) */ 320055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 bssid[ETH_ALEN]; 320155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 protection_mode; 320255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 supp_rates[14]; 3203ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3204a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3205c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhekstatic void legacy_rate_mask_to_array(u8 *rates, u32 mask) 3206c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek{ 3207c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek int i; 3208c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek int j; 3209c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 3210c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek /* 32113f524559cfb114339021afa139fc30aae1c9a878Jonas Gorski * Clear nonstandard rate 4. 3212c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek */ 3213c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek mask &= 0x1fef; 3214c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 32153f524559cfb114339021afa139fc30aae1c9a878Jonas Gorski for (i = 0, j = 0; i < 13; i++) { 3216c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek if (mask & (1 << i)) 3217777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek rates[j++] = mwl8k_rates_24[i].hw_value; 3218c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek } 3219c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek} 3220c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 322155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int 3222c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhekmwl8k_cmd_set_aid(struct ieee80211_hw *hw, 3223c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek struct ieee80211_vif *vif, u32 legacy_rate_mask) 3224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 322555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_update_set_aid *cmd; 322655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek u16 prot_mode; 3227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 323355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_AID); 3234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 32357dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek cmd->aid = cpu_to_le16(vif->bss_conf.aid); 32360a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhek memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 3237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 32387dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek if (vif->bss_conf.use_cts_prot) { 323955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11G; 324055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } else { 32417dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek switch (vif->bss_conf.ht_operation_mode & 324255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek IEEE80211_HT_OP_MODE_PROTECTION) { 324355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: 324455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY; 324555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek break; 324655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: 324755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11N_HT_ALL; 324855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek break; 324955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek default: 325055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_DISABLED; 325155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek break; 325255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } 325355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } 325455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->protection_mode = cpu_to_le16(prot_mode); 3255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3256c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek legacy_rate_mask_to_array(cmd->supp_rates, legacy_rate_mask); 3257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3258a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3264a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 326555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_RATE. 326632060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek */ 326755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_rate { 326855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 326955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 legacy_rates[14]; 327055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 327155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* Bitmap for supported MCS codes. */ 327255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 mcs_set[16]; 327355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 reserved[16]; 3274ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 327532060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 327655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int 3277c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhekmwl8k_cmd_set_rate(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 327813935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek u32 legacy_rate_mask, u8 *mcs_rates) 327932060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek{ 328055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_rate *cmd; 328132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek int rc; 328232060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 328332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 328432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek if (cmd == NULL) 328532060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek return -ENOMEM; 328632060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 328755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATE); 328832060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3289c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek legacy_rate_mask_to_array(cmd->legacy_rates, legacy_rate_mask); 329013935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(cmd->mcs_set, mcs_rates, 16); 329132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 329232060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 329332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek kfree(cmd); 329432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 329532060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek return rc; 329632060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek} 329732060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 329832060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek/* 329955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_FINALIZE_JOIN. 3300a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 330155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FJ_BEACON_MAXLEN 128 330255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 330355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_finalize_join { 3304a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 330555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 sleep_interval; /* Number of beacon periods to sleep */ 330655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 beacon_data[MWL8K_FJ_BEACON_MAXLEN]; 3307ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3308a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 330955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_finalize_join(struct ieee80211_hw *hw, void *frame, 331055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int framelen, int dtim) 3311a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 331255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_finalize_join *cmd; 331355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct ieee80211_mgmt *payload = frame; 331455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int payload_len; 3315a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3317a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3319a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 332155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_FINALIZE_JOIN); 3322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 332355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->sleep_interval = cpu_to_le32(dtim ? dtim : 1); 332455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 332555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek payload_len = framelen - ieee80211_hdrlen(payload->frame_control); 332655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (payload_len < 0) 332755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek payload_len = 0; 332855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek else if (payload_len > MWL8K_FJ_BEACON_MAXLEN) 332955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek payload_len = MWL8K_FJ_BEACON_MAXLEN; 333055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 333155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek memcpy(cmd->beacon_data, &payload->u.beacon, payload_len); 3332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 334055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_RTS_THRESHOLD. 3341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 334255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_rts_threshold { 3343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 3344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 334555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 threshold; 3346ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3347a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3348c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhekstatic int 3349c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhekmwl8k_cmd_set_rts_threshold(struct ieee80211_hw *hw, int rts_thresh) 3350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 335155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_rts_threshold *cmd; 3352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3353a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3354a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3357a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 335855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RTS_THRESHOLD); 3359a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3360c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 3361c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek cmd->threshold = cpu_to_le16(rts_thresh); 3362a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3363a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3364a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3365a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3367a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3368a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3369a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 337055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_SLOT. 3371a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 337255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_slot { 3373a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 3374a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 337555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 short_slot; 3376ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 337855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_slot(struct ieee80211_hw *hw, bool short_slot_time) 3379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 338055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_slot *cmd; 3381a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3382a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3383a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3386a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 338755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_SLOT); 3388a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 338955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 339055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->short_slot = short_slot_time; 3391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3392a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3393a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3397a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 3399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_EDCA_PARAMS. 3400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 3401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_edca_params { 3402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 3403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* See MWL8K_SET_EDCA_XXX below */ 3405a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 3406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* TX opportunity in units of 32 us */ 3408a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 txop; 3409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 34102e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek union { 34112e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek struct { 34122e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of max contention period: 0...15 */ 34132e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __le32 log_cw_max; 34142e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek 34152e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of min contention period: 0...15 */ 34162e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __le32 log_cw_min; 34172e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek 34182e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Adaptive interframe spacing in units of 32us */ 34192e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 aifs; 34202e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek 34212e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* TX queue to configure */ 34222e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 txq; 34232e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } ap; 34242e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek struct { 34252e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of max contention period: 0...15 */ 34262e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 log_cw_max; 3427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 34282e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of min contention period: 0...15 */ 34292e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 log_cw_min; 3430a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 34312e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Adaptive interframe spacing in units of 32us */ 34322e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 aifs; 3433a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 34342e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* TX queue to configure */ 34352e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 txq; 34362e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } sta; 34372e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek }; 3438ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_CW 0x01 3441a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_TXOP 0x02 3442a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_AIFS 0x04 3443a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_ALL (MWL8K_SET_EDCA_CW | \ 3445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_SET_EDCA_TXOP | \ 3446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_SET_EDCA_AIFS) 3447a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3448a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 344955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekmwl8k_cmd_set_edca_params(struct ieee80211_hw *hw, __u8 qnum, 345055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u16 cw_min, __u16 cw_max, 345155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 aifs, __u16 txop) 3452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 34532e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3454a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_edca_params *cmd; 3455a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3457a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3458a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3459a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3460a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3461a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_EDCA_PARAMS); 3462a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3463a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_SET_EDCA_ALL); 3464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->txop = cpu_to_le16(txop); 34652e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek if (priv->ap_fw) { 34662e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.log_cw_max = cpu_to_le32(ilog2(cw_max + 1)); 34672e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.log_cw_min = cpu_to_le32(ilog2(cw_min + 1)); 34682e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.aifs = aifs; 34692e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.txq = qnum; 34702e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } else { 34712e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.log_cw_max = (u8)ilog2(cw_max + 1); 34722e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.log_cw_min = (u8)ilog2(cw_min + 1); 34732e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.aifs = aifs; 34742e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.txq = qnum; 34752e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } 3476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 348455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_WMM_MODE. 3485a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 348655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_wmm_mode { 3487a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 348855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 action; 3489ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 349155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_wmm_mode(struct ieee80211_hw *hw, bool enable) 3492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 349355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 349455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_wmm_mode *cmd; 3495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3497a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 350155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_WMM_MODE); 3502a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 350355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le16(!!enable); 3504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3506a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 350716cec43da50c4b4702653ca710549fd3457a4e6cLennert Buytenhek 350855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (!rc) 350955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek priv->wmm_enabled = enable; 3510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3512a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 351555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_MIMO_CONFIG. 3516a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 351755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_mimo_config { 351855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 351955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 action; 352055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 rx_antenna_map; 352155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 tx_antenna_map; 3522ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3523a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 352455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_mimo_config(struct ieee80211_hw *hw, __u8 rx, __u8 tx) 3525a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 352655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_mimo_config *cmd; 3527a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3528a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3529a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3530a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3531a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3532a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 353355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_MIMO_CONFIG); 3534a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 353555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le32((u32)MWL8K_CMD_SET); 353655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->rx_antenna_map = rx; 353755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->tx_antenna_map = tx; 3538a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3539a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3540a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3541a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3542a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3543a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3544a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3545a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 3546b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek * CMD_USE_FIXED_RATE (STA version). 3547a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 3548b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhekstruct mwl8k_cmd_use_fixed_rate_sta { 3549b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek struct mwl8k_cmd_pkt header; 3550b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 action; 3551b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 allow_rate_drop; 3552b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 num_rates; 3553b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek struct { 3554b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 is_ht_rate; 3555b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 enable_retry; 3556b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 rate; 3557b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 retry_count; 3558b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek } rate_entry[8]; 3559b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 rate_type; 3560b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 reserved1; 3561b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 reserved2; 3562ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3563a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3564b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek#define MWL8K_USE_AUTO_RATE 0x0002 3565b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek#define MWL8K_UCAST_RATE 0 3566a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3567b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhekstatic int mwl8k_cmd_use_fixed_rate_sta(struct ieee80211_hw *hw) 3568a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3569b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek struct mwl8k_cmd_use_fixed_rate_sta *cmd; 3570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3572a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3573a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3574a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3575a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3576a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE); 3577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3578b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek cmd->action = cpu_to_le32(MWL8K_USE_AUTO_RATE); 3579b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek cmd->rate_type = cpu_to_le32(MWL8K_UCAST_RATE); 3580a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3581a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3582a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3583a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3584a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3585a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 358755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 3588088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek * CMD_USE_FIXED_RATE (AP version). 3589088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek */ 3590088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhekstruct mwl8k_cmd_use_fixed_rate_ap { 3591088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek struct mwl8k_cmd_pkt header; 3592088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 action; 3593088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 allow_rate_drop; 3594088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 num_rates; 3595088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek struct mwl8k_rate_entry_ap { 3596088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 is_ht_rate; 3597088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 enable_retry; 3598088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 rate; 3599088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 retry_count; 3600088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek } rate_entry[4]; 3601088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek u8 multicast_rate; 3602088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek u8 multicast_rate_type; 3603088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek u8 management_rate; 3604ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3605088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3606088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhekstatic int 3607088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhekmwl8k_cmd_use_fixed_rate_ap(struct ieee80211_hw *hw, int mcast, int mgmt) 3608088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek{ 3609088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek struct mwl8k_cmd_use_fixed_rate_ap *cmd; 3610088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek int rc; 3611088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3612088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3613088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek if (cmd == NULL) 3614088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek return -ENOMEM; 3615088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3616088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE); 3617088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3618088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->action = cpu_to_le32(MWL8K_USE_AUTO_RATE); 3619088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->multicast_rate = mcast; 3620088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->management_rate = mgmt; 3621088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3622088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3623088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek kfree(cmd); 3624088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3625088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek return rc; 3626088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek} 3627088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3628088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek/* 362955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_ENABLE_SNIFFER. 363055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 363155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_enable_sniffer { 363255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 363355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 action; 3634ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 363555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 363655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_enable_sniffer(struct ieee80211_hw *hw, bool enable) 363755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 363855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_enable_sniffer *cmd; 363955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 364055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 364155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 364255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 364355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 364455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 364555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_ENABLE_SNIFFER); 364655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 364755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le32(!!enable); 364855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 364955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 365055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 365155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 365255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 365355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 365455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 3655197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powarstruct mwl8k_cmd_update_mac_addr { 365655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 365755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek union { 365855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct { 365955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 mac_type; 366055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 mac_addr[ETH_ALEN]; 366155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } mbss; 366255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 mac_addr[ETH_ALEN]; 366355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek }; 3664ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 366555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 3666ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek#define MWL8K_MAC_TYPE_PRIMARY_CLIENT 0 3667ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek#define MWL8K_MAC_TYPE_SECONDARY_CLIENT 1 3668ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek#define MWL8K_MAC_TYPE_PRIMARY_AP 2 3669ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek#define MWL8K_MAC_TYPE_SECONDARY_AP 3 3670a9e00b151ec2121b7ae09d84a2b5a68b6461e98aLennert Buytenhek 3671197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powarstatic int mwl8k_cmd_update_mac_addr(struct ieee80211_hw *hw, 3672197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar struct ieee80211_vif *vif, u8 *mac, bool set) 367355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 367455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3675ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 3676197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar struct mwl8k_cmd_update_mac_addr *cmd; 3677ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek int mac_type; 367855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 367955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 3680ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_PRIMARY_AP; 3681ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek if (vif != NULL && vif->type == NL80211_IFTYPE_STATION) { 3682ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek if (mwl8k_vif->macid + 1 == ffs(priv->sta_macids_supported)) 3683af458831c49d634027811b6cf9072cdcd03961e8Yogesh Ashok Powar if (priv->ap_fw) 3684af458831c49d634027811b6cf9072cdcd03961e8Yogesh Ashok Powar mac_type = MWL8K_MAC_TYPE_SECONDARY_CLIENT; 3685af458831c49d634027811b6cf9072cdcd03961e8Yogesh Ashok Powar else 3686af458831c49d634027811b6cf9072cdcd03961e8Yogesh Ashok Powar mac_type = MWL8K_MAC_TYPE_PRIMARY_CLIENT; 3687ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek else 3688ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_SECONDARY_CLIENT; 3689ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek } else if (vif != NULL && vif->type == NL80211_IFTYPE_AP) { 3690ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek if (mwl8k_vif->macid + 1 == ffs(priv->ap_macids_supported)) 3691ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_PRIMARY_AP; 3692ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek else 3693ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_SECONDARY_AP; 3694ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek } 3695ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek 369655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 369755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 369855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 369955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 3700197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar if (set) 3701197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_MAC_ADDR); 3702197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar else 3703197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar cmd->header.code = cpu_to_le16(MWL8K_CMD_DEL_MAC_ADDR); 3704197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar 370555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 370655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (priv->ap_fw) { 3707ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek cmd->mbss.mac_type = cpu_to_le16(mac_type); 370855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek memcpy(cmd->mbss.mac_addr, mac, ETH_ALEN); 370955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } else { 371055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek memcpy(cmd->mac_addr, mac, ETH_ALEN); 371155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } 371255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 3713aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 371455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 371555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 371655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 371755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 371855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 371955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 3720197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar * MWL8K_CMD_SET_MAC_ADDR. 3721197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar */ 3722197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powarstatic inline int mwl8k_cmd_set_mac_addr(struct ieee80211_hw *hw, 3723197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar struct ieee80211_vif *vif, u8 *mac) 3724197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar{ 3725197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar return mwl8k_cmd_update_mac_addr(hw, vif, mac, true); 3726197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar} 3727197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar 3728197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar/* 3729197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar * MWL8K_CMD_DEL_MAC_ADDR. 3730197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar */ 3731197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powarstatic inline int mwl8k_cmd_del_mac_addr(struct ieee80211_hw *hw, 3732197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar struct ieee80211_vif *vif, u8 *mac) 3733197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar{ 3734197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar return mwl8k_cmd_update_mac_addr(hw, vif, mac, false); 3735197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar} 3736197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar 3737197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar/* 373855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_RATEADAPT_MODE. 373955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 374055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_rate_adapt_mode { 374155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 374255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 action; 374355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 mode; 3744ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 374555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 374655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_rateadapt_mode(struct ieee80211_hw *hw, __u16 mode) 374755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 374855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_rate_adapt_mode *cmd; 374955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 375055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 375155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 375255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 375355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 375455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 375555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATEADAPT_MODE); 375655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 375755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 375855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->mode = cpu_to_le16(mode); 375955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 376055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 376155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 376255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 376355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 376455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 376555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 376655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 37673aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam * CMD_GET_WATCHDOG_BITMAP. 37683aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam */ 37693aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadamstruct mwl8k_cmd_get_watchdog_bitmap { 37703aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam struct mwl8k_cmd_pkt header; 37713aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam u8 bitmap; 37723aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam} __packed; 37733aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 37743aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadamstatic int mwl8k_cmd_get_watchdog_bitmap(struct ieee80211_hw *hw, u8 *bitmap) 37753aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam{ 37763aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam struct mwl8k_cmd_get_watchdog_bitmap *cmd; 37773aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam int rc; 37783aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 37793aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 37803aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (cmd == NULL) 37813aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam return -ENOMEM; 37823aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 37833aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_WATCHDOG_BITMAP); 37843aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 37853aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 37863aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam rc = mwl8k_post_cmd(hw, &cmd->header); 37873aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (!rc) 37883aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam *bitmap = cmd->bitmap; 37893aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 37903aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam kfree(cmd); 37913aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 37923aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam return rc; 37933aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam} 37943aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 3795cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar#define MWL8K_WMM_QUEUE_NUMBER 3 3796cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar 3797cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powarstatic void mwl8k_destroy_ba(struct ieee80211_hw *hw, 3798cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar u8 idx); 3799cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar 38003aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadamstatic void mwl8k_watchdog_ba_events(struct work_struct *work) 38013aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam{ 38023aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam int rc; 38033aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam u8 bitmap = 0, stream_index; 38043aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam struct mwl8k_ampdu_stream *streams; 38053aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam struct mwl8k_priv *priv = 38063aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam container_of(work, struct mwl8k_priv, watchdog_ba_handle); 3807cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar struct ieee80211_hw *hw = priv->hw; 3808cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar int i; 3809cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar u32 status = 0; 3810cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar 3811cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar mwl8k_fw_lock(hw); 38123aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 38133aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam rc = mwl8k_cmd_get_watchdog_bitmap(priv->hw, &bitmap); 38143aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (rc) 3815cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar goto done; 38163aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 3817cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar spin_lock(&priv->stream_lock); 38183aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 38193aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam /* the bitmap is the hw queue number. Map it to the ampdu queue. */ 3820cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar for (i = 0; i < TOTAL_HW_TX_QUEUES; i++) { 3821cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar if (bitmap & (1 << i)) { 3822cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar stream_index = (i + MWL8K_WMM_QUEUE_NUMBER) % 3823cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar TOTAL_HW_TX_QUEUES; 3824cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar streams = &priv->ampdu[stream_index]; 3825cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar if (streams->state == AMPDU_STREAM_ACTIVE) { 3826cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar ieee80211_stop_tx_ba_session(streams->sta, 3827cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar streams->tid); 3828cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar spin_unlock(&priv->stream_lock); 3829cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar mwl8k_destroy_ba(hw, stream_index); 3830cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar spin_lock(&priv->stream_lock); 3831cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar } 3832cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar } 3833cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar } 38343aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 3835cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar spin_unlock(&priv->stream_lock); 3836cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powardone: 3837c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar atomic_dec(&priv->watchdog_event_pending); 3838cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar status = ioread32(priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 3839cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar iowrite32((status | MWL8K_A2H_INT_BA_WATCHDOG), 3840cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 3841cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar mwl8k_fw_unlock(hw); 38423aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam return; 38433aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam} 38443aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 38453aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 38463aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam/* 3847b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * CMD_BSS_START. 3848b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek */ 3849b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstruct mwl8k_cmd_bss_start { 3850b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_pkt header; 3851b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek __le32 enable; 3852ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3853b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3854aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhekstatic int mwl8k_cmd_bss_start(struct ieee80211_hw *hw, 3855aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek struct ieee80211_vif *vif, int enable) 3856b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 3857b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_bss_start *cmd; 3858e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 3859e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar struct mwl8k_priv *priv = hw->priv; 3860b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rc; 3861b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3862e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar if (enable && (priv->running_bsses & (1 << mwl8k_vif->macid))) 3863e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar return 0; 3864e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar 3865e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar if (!enable && !(priv->running_bsses & (1 << mwl8k_vif->macid))) 3866e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar return 0; 3867e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar 3868b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3869b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (cmd == NULL) 3870b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return -ENOMEM; 3871b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3872b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_BSS_START); 3873b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3874b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->enable = cpu_to_le32(enable); 3875b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3876aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 3877b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek kfree(cmd); 3878b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3879e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar if (!rc) { 3880e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar if (enable) 3881e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar priv->running_bsses |= (1 << mwl8k_vif->macid); 3882e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar else 3883e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar priv->running_bsses &= ~(1 << mwl8k_vif->macid); 3884e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar } 3885b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return rc; 3886b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 3887b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3888e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powarstatic void mwl8k_enable_bsses(struct ieee80211_hw *hw, bool enable, u32 bitmap) 3889e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar{ 3890e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar struct mwl8k_priv *priv = hw->priv; 3891e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar struct mwl8k_vif *mwl8k_vif, *tmp_vif; 3892e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar struct ieee80211_vif *vif; 3893e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar 3894e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar list_for_each_entry_safe(mwl8k_vif, tmp_vif, &priv->vif_list, list) { 3895e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar vif = mwl8k_vif->vif; 3896e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar 3897e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar if (!(bitmap & (1 << mwl8k_vif->macid))) 3898e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar continue; 3899e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar 3900e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar if (vif->type == NL80211_IFTYPE_AP) 3901e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar mwl8k_cmd_bss_start(hw, vif, enable); 3902e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar } 3903e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar} 3904b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek/* 39055faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam * CMD_BASTREAM. 39065faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam */ 39075faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 39085faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam/* 39095faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam * UPSTREAM is tx direction 39105faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam */ 39115faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam#define BASTREAM_FLAG_DIRECTION_UPSTREAM 0x00 39125faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam#define BASTREAM_FLAG_IMMEDIATE_TYPE 0x01 39135faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 3914ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powarenum ba_stream_action_type { 39155faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_CREATE, 39165faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_UPDATE, 39175faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_DESTROY, 39185faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_FLUSH, 39195faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_CHECK, 3920ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar}; 39215faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 39225faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 39235faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstruct mwl8k_create_ba_stream { 39245faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 flags; 39255faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 idle_thrs; 39265faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 bar_thrs; 39275faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 window_size; 39285faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 peer_mac_addr[6]; 39295faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 dialog_token; 39305faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 tid; 39315faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 queue_id; 39325faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 param_info; 39335faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 ba_context; 39345faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 reset_seq_no_flag; 39355faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le16 curr_seq_no; 39365faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 sta_src_mac_addr[6]; 39375faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} __packed; 39385faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 39395faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstruct mwl8k_destroy_ba_stream { 39405faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 flags; 39415faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 ba_context; 39425faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} __packed; 39435faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 39445faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstruct mwl8k_cmd_bastream { 39455faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_cmd_pkt header; 39465faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 action; 39475faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam union { 39485faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_create_ba_stream create_params; 39495faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_destroy_ba_stream destroy_params; 39505faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam }; 39515faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} __packed; 39525faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 39535faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstatic int 3954f95275c48b60fc486517f05da0800357dfd3ce2fYogesh Ashok Powarmwl8k_check_ba(struct ieee80211_hw *hw, struct mwl8k_ampdu_stream *stream, 3955f95275c48b60fc486517f05da0800357dfd3ce2fYogesh Ashok Powar struct ieee80211_vif *vif) 39565faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam{ 39575faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_cmd_bastream *cmd; 39585faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam int rc; 39595faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 39605faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 39615faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam if (cmd == NULL) 39625faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return -ENOMEM; 39635faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 39645faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_BASTREAM); 39655faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 39665faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 39675faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_BA_CHECK); 39685faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 39695faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.queue_id = stream->idx; 39705faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam memcpy(&cmd->create_params.peer_mac_addr[0], stream->sta->addr, 39715faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam ETH_ALEN); 39725faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.tid = stream->tid; 39735faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 39745faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.flags = 39755faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cpu_to_le32(BASTREAM_FLAG_IMMEDIATE_TYPE) | 39765faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cpu_to_le32(BASTREAM_FLAG_DIRECTION_UPSTREAM); 39775faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 3978f95275c48b60fc486517f05da0800357dfd3ce2fYogesh Ashok Powar rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 39795faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 39805faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam kfree(cmd); 39815faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 39825faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return rc; 39835faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} 39845faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 39855faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstatic int 39865faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadammwl8k_create_ba(struct ieee80211_hw *hw, struct mwl8k_ampdu_stream *stream, 3987f95275c48b60fc486517f05da0800357dfd3ce2fYogesh Ashok Powar u8 buf_size, struct ieee80211_vif *vif) 39885faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam{ 39895faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_cmd_bastream *cmd; 39905faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam int rc; 39915faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 39925faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 39935faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam if (cmd == NULL) 39945faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return -ENOMEM; 39955faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 39965faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 39975faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_BASTREAM); 39985faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 39995faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 40005faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_BA_CREATE); 40015faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 40025faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.bar_thrs = cpu_to_le32((u32)buf_size); 40035faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.window_size = cpu_to_le32((u32)buf_size); 40045faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.queue_id = stream->idx; 40055faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 40065faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam memcpy(cmd->create_params.peer_mac_addr, stream->sta->addr, ETH_ALEN); 40075faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.tid = stream->tid; 40085faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.curr_seq_no = cpu_to_le16(0); 40095faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.reset_seq_no_flag = 1; 40105faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 40115faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.param_info = 40125faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam (stream->sta->ht_cap.ampdu_factor & 40135faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam IEEE80211_HT_AMPDU_PARM_FACTOR) | 40145faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam ((stream->sta->ht_cap.ampdu_density << 2) & 40155faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam IEEE80211_HT_AMPDU_PARM_DENSITY); 40165faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 40175faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.flags = 40185faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cpu_to_le32(BASTREAM_FLAG_IMMEDIATE_TYPE | 40195faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam BASTREAM_FLAG_DIRECTION_UPSTREAM); 40205faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 4021f95275c48b60fc486517f05da0800357dfd3ce2fYogesh Ashok Powar rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 40225faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 40235faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam wiphy_debug(hw->wiphy, "Created a BA stream for %pM : tid %d\n", 40245faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam stream->sta->addr, stream->tid); 40255faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam kfree(cmd); 40265faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 40275faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return rc; 40285faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} 40295faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 40305faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstatic void mwl8k_destroy_ba(struct ieee80211_hw *hw, 403107f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar u8 idx) 40325faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam{ 40335faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_cmd_bastream *cmd; 40345faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 40355faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 40365faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam if (cmd == NULL) 40375faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return; 40385faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 40395faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_BASTREAM); 40405faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 40415faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_BA_DESTROY); 40425faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 404307f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar cmd->destroy_params.ba_context = cpu_to_le32(idx); 40445faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam mwl8k_post_cmd(hw, &cmd->header); 40455faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 404607f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar wiphy_debug(hw->wiphy, "Deleted BA stream index %d\n", idx); 40475faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 40485faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam kfree(cmd); 40495faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} 40505faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 40515faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam/* 40523f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek * CMD_SET_NEW_STN. 40533f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek */ 40543f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhekstruct mwl8k_cmd_set_new_stn { 40553f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct mwl8k_cmd_pkt header; 40563f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 aid; 40573f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 mac_addr[6]; 40583f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 stn_id; 40593f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 action; 40603f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 rsvd; 40613f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le32 legacy_rates; 40623f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 ht_rates[4]; 40633f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 cap_info; 40643f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 ht_capabilities_info; 40653f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 mac_ht_param_info; 40663f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 rev; 40673f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 control_channel; 40683f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 add_channel; 40693f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 op_mode; 40703f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 stbc; 40713f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 add_qos_info; 40723f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 is_qos_sta; 40733f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le32 fw_sta_ptr; 4074ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 40753f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 40763f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek#define MWL8K_STA_ACTION_ADD 0 40773f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek#define MWL8K_STA_ACTION_REMOVE 2 40783f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 40793f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhekstatic int mwl8k_cmd_set_new_stn_add(struct ieee80211_hw *hw, 40803f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct ieee80211_vif *vif, 40813f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct ieee80211_sta *sta) 40823f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek{ 40833f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct mwl8k_cmd_set_new_stn *cmd; 40848707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek u32 rates; 40853f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek int rc; 40863f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 40873f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 40883f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek if (cmd == NULL) 40893f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek return -ENOMEM; 40903f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 40913f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_NEW_STN); 40923f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 40933f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->aid = cpu_to_le16(sta->aid); 40943f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek memcpy(cmd->mac_addr, sta->addr, ETH_ALEN); 40953f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->stn_id = cpu_to_le16(sta->aid); 40963f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_STA_ACTION_ADD); 4097675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan if (hw->conf.chandef.chan->band == IEEE80211_BAND_2GHZ) 40988707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rates = sta->supp_rates[IEEE80211_BAND_2GHZ]; 40998707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek else 41008707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rates = sta->supp_rates[IEEE80211_BAND_5GHZ] << 5; 41018707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek cmd->legacy_rates = cpu_to_le32(rates); 41023f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek if (sta->ht_cap.ht_supported) { 41033f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_rates[0] = sta->ht_cap.mcs.rx_mask[0]; 41043f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_rates[1] = sta->ht_cap.mcs.rx_mask[1]; 41053f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_rates[2] = sta->ht_cap.mcs.rx_mask[2]; 41063f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_rates[3] = sta->ht_cap.mcs.rx_mask[3]; 41073f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_capabilities_info = cpu_to_le16(sta->ht_cap.cap); 41083f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->mac_ht_param_info = (sta->ht_cap.ampdu_factor & 3) | 41093f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek ((sta->ht_cap.ampdu_density & 7) << 2); 41103f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->is_qos_sta = 1; 41113f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek } 41123f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 4113aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 41143f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek kfree(cmd); 41153f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 41163f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek return rc; 41173f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek} 41183f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 4119b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstatic int mwl8k_cmd_set_new_stn_add_self(struct ieee80211_hw *hw, 4120b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct ieee80211_vif *vif) 4121b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 4122b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_set_new_stn *cmd; 4123b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rc; 4124b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4125b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4126b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (cmd == NULL) 4127b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return -ENOMEM; 4128b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4129b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_NEW_STN); 4130b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 4131b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek memcpy(cmd->mac_addr, vif->addr, ETH_ALEN); 4132b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4133aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 4134b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek kfree(cmd); 4135b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4136b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return rc; 4137b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 4138b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 41393f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhekstatic int mwl8k_cmd_set_new_stn_del(struct ieee80211_hw *hw, 41403f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct ieee80211_vif *vif, u8 *addr) 41413f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek{ 41423f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct mwl8k_cmd_set_new_stn *cmd; 41430dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar struct mwl8k_priv *priv = hw->priv; 41440dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar int rc, i; 41450dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar u8 idx; 41460dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar 41470dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar spin_lock(&priv->stream_lock); 41480dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar /* Destroy any active ampdu streams for this sta */ 41490dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar for (i = 0; i < MWL8K_NUM_AMPDU_STREAMS; i++) { 41500dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar struct mwl8k_ampdu_stream *s; 41510dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar s = &priv->ampdu[i]; 41520dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar if (s->state != AMPDU_NO_STREAM) { 41530dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar if (memcmp(s->sta->addr, addr, ETH_ALEN) == 0) { 41540dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar if (s->state == AMPDU_STREAM_ACTIVE) { 41550dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar idx = s->idx; 41560dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar spin_unlock(&priv->stream_lock); 41570dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar mwl8k_destroy_ba(hw, idx); 41580dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar spin_lock(&priv->stream_lock); 41590dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar } else if (s->state == AMPDU_STREAM_NEW) { 41600dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar mwl8k_remove_stream(hw, s); 41610dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar } 41620dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar } 41630dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar } 41640dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar } 41650dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar 41660dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar spin_unlock(&priv->stream_lock); 41673f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 41683f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 41693f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek if (cmd == NULL) 41703f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek return -ENOMEM; 41713f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 41723f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_NEW_STN); 41733f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 41743f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek memcpy(cmd->mac_addr, addr, ETH_ALEN); 41753f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_STA_ACTION_REMOVE); 41763f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 4177aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 41783f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek kfree(cmd); 41793f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 41803f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek return rc; 41813f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek} 41823f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 41833f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek/* 4184fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam * CMD_UPDATE_ENCRYPTION. 4185fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam */ 4186fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4187fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MAX_ENCR_KEY_LENGTH 16 4188fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MIC_KEY_LENGTH 8 4189fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4190fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstruct mwl8k_cmd_update_encryption { 4191fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_pkt header; 4192fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4193fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 action; 4194fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 reserved; 4195fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 mac_addr[6]; 4196fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 encr_type; 4197fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4198ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar} __packed; 4199fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4200fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstruct mwl8k_cmd_set_key { 4201fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_pkt header; 4202fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4203fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 action; 4204fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 reserved; 4205fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 length; 4206fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 key_type_id; 4207fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 key_info; 4208fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 key_id; 4209fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 key_len; 4210fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 key_material[MAX_ENCR_KEY_LENGTH]; 4211fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 tkip_tx_mic_key[MIC_KEY_LENGTH]; 4212fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 tkip_rx_mic_key[MIC_KEY_LENGTH]; 4213fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 tkip_rsc_low; 4214fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 tkip_rsc_high; 4215fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 tkip_tsc_low; 4216fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 tkip_tsc_high; 4217fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 mac_addr[6]; 4218ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar} __packed; 4219fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4220fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamenum { 4221fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ENCR_ENABLE, 4222fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ENCR_SET_KEY, 4223fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ENCR_REMOVE_KEY, 4224fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ENCR_SET_GROUP_KEY, 4225fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam}; 4226fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4227fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_WEP 0 4228fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_DISABLE 1 4229fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_TKIP 4 4230fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_MIXED 7 4231fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_AES 8 4232fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4233fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamenum { 4234fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ALG_WEP, 4235fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ALG_TKIP, 4236fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ALG_CCMP, 4237fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam}; 4238fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4239fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_TXGROUPKEY 0x00000004 4240fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_PAIRWISE 0x00000008 4241fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_TSC_VALID 0x00000040 4242fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_WEP_TXKEY 0x01000000 4243fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_MICKEY_VALID 0x02000000 4244fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4245fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_cmd_update_encryption_enable(struct ieee80211_hw *hw, 4246fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_vif *vif, 4247fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr, 4248fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 encr_type) 4249fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 4250fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_update_encryption *cmd; 4251fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int rc; 4252fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4253fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4254fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (cmd == NULL) 4255fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -ENOMEM; 4256fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4257fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_ENCRYPTION); 4258fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 4259fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_ENCR_ENABLE); 4260fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam memcpy(cmd->mac_addr, addr, ETH_ALEN); 4261fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->encr_type = encr_type; 4262fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4263fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 4264fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam kfree(cmd); 4265fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4266fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return rc; 4267fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 4268fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4269fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_encryption_set_cmd_info(struct mwl8k_cmd_set_key *cmd, 4270fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr, 4271fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key) 4272fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 4273fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_ENCRYPTION); 4274fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 4275fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->length = cpu_to_le16(sizeof(*cmd) - 4276fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam offsetof(struct mwl8k_cmd_set_key, length)); 4277fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_id = cpu_to_le32(key->keyidx); 4278fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_len = cpu_to_le16(key->keylen); 4279fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam memcpy(cmd->mac_addr, addr, ETH_ALEN); 4280fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4281fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam switch (key->cipher) { 4282fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_WEP40: 4283fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_WEP104: 4284fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_type_id = cpu_to_le16(MWL8K_ALG_WEP); 4285fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (key->keyidx == 0) 4286fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_info = cpu_to_le32(MWL8K_KEY_FLAG_WEP_TXKEY); 4287fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4288fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4289fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_TKIP: 4290fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_type_id = cpu_to_le16(MWL8K_ALG_TKIP); 4291fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_info = (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 4292fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam ? cpu_to_le32(MWL8K_KEY_FLAG_PAIRWISE) 4293fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam : cpu_to_le32(MWL8K_KEY_FLAG_TXGROUPKEY); 4294fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_info |= cpu_to_le32(MWL8K_KEY_FLAG_MICKEY_VALID 4295fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam | MWL8K_KEY_FLAG_TSC_VALID); 4296fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4297fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_CCMP: 4298fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_type_id = cpu_to_le16(MWL8K_ALG_CCMP); 4299fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_info = (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 4300fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam ? cpu_to_le32(MWL8K_KEY_FLAG_PAIRWISE) 4301fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam : cpu_to_le32(MWL8K_KEY_FLAG_TXGROUPKEY); 4302fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4303fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam default: 4304fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -ENOTSUPP; 4305fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } 4306fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4307fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return 0; 4308fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 4309fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4310fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_cmd_encryption_set_key(struct ieee80211_hw *hw, 4311fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_vif *vif, 4312fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr, 4313fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key) 4314fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 4315fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_set_key *cmd; 4316fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int rc; 4317fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int keymlen; 4318fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u32 action; 4319fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 idx; 4320fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 4321fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4322fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4323fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (cmd == NULL) 4324fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -ENOMEM; 4325fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4326fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_encryption_set_cmd_info(cmd, addr, key); 4327fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc < 0) 4328fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto done; 4329fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4330fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam idx = key->keyidx; 4331fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4332fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 4333fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam action = MWL8K_ENCR_SET_KEY; 4334fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam else 4335fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam action = MWL8K_ENCR_SET_GROUP_KEY; 4336fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4337fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam switch (key->cipher) { 4338fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_WEP40: 4339fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_WEP104: 4340fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (!mwl8k_vif->wep_key_conf[idx].enabled) { 4341fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam memcpy(mwl8k_vif->wep_key_conf[idx].key, key, 4342fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam sizeof(*key) + key->keylen); 4343fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam mwl8k_vif->wep_key_conf[idx].enabled = 1; 4344fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } 4345fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 43469b571e24a9922f79ed2440b4482cb9f11a8f1889Yogesh Ashok Powar keymlen = key->keylen; 4347fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam action = MWL8K_ENCR_SET_KEY; 4348fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4349fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_TKIP: 4350fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam keymlen = MAX_ENCR_KEY_LENGTH + 2 * MIC_KEY_LENGTH; 4351fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4352fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_CCMP: 4353fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam keymlen = key->keylen; 4354fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4355fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam default: 4356fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = -ENOTSUPP; 4357fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto done; 4358fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } 4359fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4360fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam memcpy(cmd->key_material, key->key, keymlen); 4361fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->action = cpu_to_le32(action); 4362fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4363fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 4364fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamdone: 4365fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam kfree(cmd); 4366fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4367fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return rc; 4368fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 4369fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4370fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_cmd_encryption_remove_key(struct ieee80211_hw *hw, 4371fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_vif *vif, 4372fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr, 4373fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key) 4374fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 4375fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_set_key *cmd; 4376fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int rc; 4377fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 4378fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4379fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4380fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (cmd == NULL) 4381fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -ENOMEM; 4382fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4383fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_encryption_set_cmd_info(cmd, addr, key); 4384fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc < 0) 4385fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto done; 4386fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4387fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (key->cipher == WLAN_CIPHER_SUITE_WEP40 || 4388d981e05908f85beb68ae0d935e59c5e399d2136eDan Carpenter key->cipher == WLAN_CIPHER_SUITE_WEP104) 4389fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam mwl8k_vif->wep_key_conf[key->keyidx].enabled = 0; 4390fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4391fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_ENCR_REMOVE_KEY); 4392fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4393fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 4394fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamdone: 4395fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam kfree(cmd); 4396fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4397fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return rc; 4398fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 4399fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4400fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_set_key(struct ieee80211_hw *hw, 4401fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam enum set_key_cmd cmd_param, 4402fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_vif *vif, 4403fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_sta *sta, 4404fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key) 4405fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 4406fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int rc = 0; 4407fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 encr_type; 4408fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr; 4409fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 4410751930cb1d6da7b7891d8ffe84877cbf21915e0dYogesh Ashok Powar struct mwl8k_priv *priv = hw->priv; 4411fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4412751930cb1d6da7b7891d8ffe84877cbf21915e0dYogesh Ashok Powar if (vif->type == NL80211_IFTYPE_STATION && !priv->ap_fw) 4413fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -EOPNOTSUPP; 4414fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4415fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (sta == NULL) 4416ff7e9f99f7effb385a9be2f7198743c1ad2bb126Yogesh Ashok Powar addr = vif->addr; 4417fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam else 4418fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam addr = sta->addr; 4419fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4420fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (cmd_param == SET_KEY) { 4421fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_cmd_encryption_set_key(hw, vif, addr, key); 4422fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc) 4423fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto out; 4424fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4425fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if ((key->cipher == WLAN_CIPHER_SUITE_WEP40) 4426fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam || (key->cipher == WLAN_CIPHER_SUITE_WEP104)) 4427fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam encr_type = MWL8K_UPDATE_ENCRYPTION_TYPE_WEP; 4428fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam else 4429fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam encr_type = MWL8K_UPDATE_ENCRYPTION_TYPE_MIXED; 4430fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4431fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_cmd_update_encryption_enable(hw, vif, addr, 4432fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam encr_type); 4433fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc) 4434fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto out; 4435fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4436fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam mwl8k_vif->is_hw_crypto_enabled = true; 4437fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4438fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } else { 4439fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_cmd_encryption_remove_key(hw, vif, addr, key); 4440fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4441fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc) 4442fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto out; 4443fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } 4444fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamout: 4445fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return rc; 4446fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 4447fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4448fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam/* 444955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_UPDATE_STADB. 445055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 445125d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhekstruct ewc_ht_info { 445225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 control1; 445325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 control2; 445425d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 control3; 4455ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 445625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 445725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhekstruct peer_capability_info { 445825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Peer type - AP vs. STA. */ 445925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 peer_type; 446025d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 446125d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Basic 802.11 capabilities from assoc resp. */ 446225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 basic_caps; 446325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 446425d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Set if peer supports 802.11n high throughput (HT). */ 446525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 ht_support; 446625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 446725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Valid if HT is supported. */ 446825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 ht_caps; 446925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 extended_ht_caps; 447025d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek struct ewc_ht_info ewc_info; 447125d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 447225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Legacy rate table. Intersection of our rates and peer rates. */ 447325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 legacy_rates[12]; 447425d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 447525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* HT rate table. Intersection of our rates and peer rates. */ 447625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 ht_rates[16]; 447725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 pad[16]; 447825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 447925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* If set, interoperability mode, no proprietary extensions. */ 448025d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 interop; 448125d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 pad2; 448225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 station_id; 448325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 amsdu_enabled; 4484ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 448525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 448655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_update_stadb { 448755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 448855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 448955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* See STADB_ACTION_TYPE */ 449055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 action; 449155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 449255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* Peer MAC address */ 449355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 peer_addr[ETH_ALEN]; 449455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 449555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 reserved; 449655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 449755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* Peer info - valid during add/update. */ 449855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct peer_capability_info peer_info; 4499ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 450055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 4501a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_STA_DB_MODIFY_ENTRY 1 4502a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_STA_DB_DEL_ENTRY 2 4503a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4504a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek/* Peer Entry flags - used to define the type of the peer node */ 4505a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_PEER_TYPE_ACCESSPOINT 2 4506a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4507a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhekstatic int mwl8k_cmd_update_stadb_add(struct ieee80211_hw *hw, 4508c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek struct ieee80211_vif *vif, 450913935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek struct ieee80211_sta *sta) 451055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 451155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_update_stadb *cmd; 4512a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct peer_capability_info *p; 45138707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek u32 rates; 451455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 451555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 451655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 451755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 451855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 451955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 452055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_STADB); 452155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 4522a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->action = cpu_to_le32(MWL8K_STA_DB_MODIFY_ENTRY); 452313935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(cmd->peer_addr, sta->addr, ETH_ALEN); 452455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 4525a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p = &cmd->peer_info; 4526a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->peer_type = MWL8K_PEER_TYPE_ACCESSPOINT; 4527a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->basic_caps = cpu_to_le16(vif->bss_conf.assoc_capability); 452813935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek p->ht_support = sta->ht_cap.ht_supported; 4529b603742f49c3ec922522602e18ac22e8f6835132John W. Linville p->ht_caps = cpu_to_le16(sta->ht_cap.cap); 453013935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek p->extended_ht_caps = (sta->ht_cap.ampdu_factor & 3) | 453113935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek ((sta->ht_cap.ampdu_density & 7) << 2); 4532675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan if (hw->conf.chandef.chan->band == IEEE80211_BAND_2GHZ) 45338707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rates = sta->supp_rates[IEEE80211_BAND_2GHZ]; 45348707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek else 45358707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rates = sta->supp_rates[IEEE80211_BAND_5GHZ] << 5; 45368707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek legacy_rate_mask_to_array(p->legacy_rates, rates); 453713935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(p->ht_rates, sta->ht_cap.mcs.rx_mask, 16); 4538a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->interop = 1; 4539a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->amsdu_enabled = 0; 4540a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4541a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 4542c4f74d35cac7cbc44877313b69550e2f5aeae77dNickolai Zeldovich if (!rc) 4543c4f74d35cac7cbc44877313b69550e2f5aeae77dNickolai Zeldovich rc = p->station_id; 4544a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek kfree(cmd); 4545a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4546c4f74d35cac7cbc44877313b69550e2f5aeae77dNickolai Zeldovich return rc; 4547a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek} 4548a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4549a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhekstatic int mwl8k_cmd_update_stadb_del(struct ieee80211_hw *hw, 4550a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct ieee80211_vif *vif, u8 *addr) 4551a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek{ 4552a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct mwl8k_cmd_update_stadb *cmd; 4553a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek int rc; 4554a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4555a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4556a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek if (cmd == NULL) 4557a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek return -ENOMEM; 4558a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4559a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_STADB); 4560a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 4561a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->action = cpu_to_le32(MWL8K_STA_DB_DEL_ENTRY); 4562bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek memcpy(cmd->peer_addr, addr, ETH_ALEN); 456355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 4564a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 456555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 456655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 456755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 456855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 456955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 4570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 4572a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Interrupt handling. 4573a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 4574a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic irqreturn_t mwl8k_interrupt(int irq, void *dev_id) 4575a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4576a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = dev_id; 4577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4578a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 status; 4579a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4580a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = ioread32(priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 4581a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!status) 4582a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return IRQ_NONE; 4583a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 45841e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek if (status & MWL8K_A2H_INT_TX_DONE) { 45851e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek status &= ~MWL8K_A2H_INT_TX_DONE; 45861e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_schedule(&priv->poll_tx_task); 45871e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek } 45881e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 4589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_RX_READY) { 459067e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek status &= ~MWL8K_A2H_INT_RX_READY; 459167e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_schedule(&priv->poll_rx_task); 4592a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 45943aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (status & MWL8K_A2H_INT_BA_WATCHDOG) { 4595c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar iowrite32(~MWL8K_A2H_INT_BA_WATCHDOG, 4596c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 4597c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar 4598c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar atomic_inc(&priv->watchdog_event_pending); 45993aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam status &= ~MWL8K_A2H_INT_BA_WATCHDOG; 46003aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam ieee80211_queue_work(hw, &priv->watchdog_ba_handle); 46013aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam } 46023aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 460367e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek if (status) 460467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek iowrite32(~status, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 460567e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 4606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_OPC_DONE) { 4607618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (priv->hostcmd_wait != NULL) 4608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek complete(priv->hostcmd_wait); 4609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4610a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4611a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_QUEUE_EMPTY) { 4612618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (!mutex_is_locked(&priv->fw_mutex) && 461388de754ad59025eba797e7a8375807755577f450Lennert Buytenhek priv->radio_on && priv->pending_tx_pkts) 4614618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mwl8k_tx_start(priv); 4615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return IRQ_HANDLED; 4618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 46201e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhekstatic void mwl8k_tx_poll(unsigned long data) 46211e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek{ 46221e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek struct ieee80211_hw *hw = (struct ieee80211_hw *)data; 46231e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 46241e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek int limit; 46251e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek int i; 46261e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 46271e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek limit = 32; 46281e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 46291e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek spin_lock_bh(&priv->tx_lock); 46301e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 4631e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 46321e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek limit -= mwl8k_txq_reclaim(hw, i, limit, 0); 46331e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 46341e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek if (!priv->pending_tx_pkts && priv->tx_wait != NULL) { 46351e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek complete(priv->tx_wait); 46361e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek priv->tx_wait = NULL; 46371e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek } 46381e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 46391e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 46401e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 46411e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek if (limit) { 46421e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek writel(~MWL8K_A2H_INT_TX_DONE, 46431e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 46441e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek } else { 46451e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_schedule(&priv->poll_tx_task); 46461e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek } 46471e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek} 46481e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 464967e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhekstatic void mwl8k_rx_poll(unsigned long data) 465067e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek{ 465167e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek struct ieee80211_hw *hw = (struct ieee80211_hw *)data; 465267e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 465367e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek int limit; 465467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 465567e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek limit = 32; 465667e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek limit -= rxq_process(hw, 0, limit); 465767e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek limit -= rxq_refill(hw, 0, limit); 465867e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 465967e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek if (limit) { 466067e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek writel(~MWL8K_A2H_INT_RX_READY, 466167e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 466267e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek } else { 466367e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_schedule(&priv->poll_rx_task); 466467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek } 466567e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek} 466667e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 4667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4668a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 4669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Core driver operations. 4670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 467136323f817af0376c78612cfdab714b0feb05fea5Thomas Huehnstatic void mwl8k_tx(struct ieee80211_hw *hw, 467236323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn struct ieee80211_tx_control *control, 467336323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn struct sk_buff *skb) 4674a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4675a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int index = skb_get_queue_mapping(skb); 4677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 46789189c10087a738c764046fa27651d332594cd8e6Lennert Buytenhek if (!priv->radio_on) { 4679c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_debug(hw->wiphy, 4680c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "dropped TX frame since radio disabled\n"); 4681a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(skb); 46827bb4568372856688bc070917265bce0b88bb7d4dJohannes Berg return; 4683a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4684a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 468536323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn mwl8k_txq_xmit(hw, index, control->sta, skb); 4686a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4687a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_start(struct ieee80211_hw *hw) 4689a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4691a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 4692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4693a0607fd3a25ba1848a63a0d925e36d914735ab47Joe Perches rc = request_irq(priv->pdev->irq, mwl8k_interrupt, 4694a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IRQF_SHARED, MWL8K_NAME, hw); 4695a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 4696bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo priv->irq = -1; 46975db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to register IRQ handler\n"); 46982ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek return -EIO; 4699a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4700bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo priv->irq = priv->pdev->irq; 4701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 470267e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek /* Enable TX reclaim and RX tasklets. */ 47031e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_enable(&priv->poll_tx_task); 470467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_enable(&priv->poll_rx_task); 47052ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 4706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Enable interrupts */ 4707c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 470812488e01fb2b06bb3f6ee137efc88e29d827817eNishant Sarmukadam iowrite32(MWL8K_A2H_EVENTS, 470912488e01fb2b06bb3f6ee137efc88e29d827817eNishant Sarmukadam priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 4710a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 47112ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_fw_lock(hw); 47122ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) { 471355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_radio_enable(hw); 4714a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 47155e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!priv->ap_fw) { 47165e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!rc) 471755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_enable_sniffer(hw, 0); 4718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 47195e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!rc) 47205e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek rc = mwl8k_cmd_set_pre_scan(hw); 47215e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek 47225e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!rc) 47235e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek rc = mwl8k_cmd_set_post_scan(hw, 47245e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek "\x00\x00\x00\x00\x00\x00"); 47255e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek } 47262ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 47272ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 472855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_rateadapt_mode(hw, 0); 4729a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 47302ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 473155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_wmm_mode(hw, 0); 4732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 47332ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek mwl8k_fw_unlock(hw); 47342ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek } 47352ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 47362ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (rc) { 47372ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 47382ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek free_irq(priv->pdev->irq, hw); 4739bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo priv->irq = -1; 47401e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_disable(&priv->poll_tx_task); 474167e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_disable(&priv->poll_rx_task); 47424850b6d355b457738fe7d872c833474dbec25304Nishant Sarmukadam } else { 47434850b6d355b457738fe7d872c833474dbec25304Nishant Sarmukadam ieee80211_wake_queues(hw); 47442ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek } 4745a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4746a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 4747a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4748a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4749a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_stop(struct ieee80211_hw *hw) 4750a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4752a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 4753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 47546b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!priv->hw_restart_in_progress) 47556b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_cmd_radio_disable(hw); 4756a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4757a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queues(hw); 4758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4759a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable interrupts */ 4760a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 4761bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo if (priv->irq != -1) { 4762bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo free_irq(priv->pdev->irq, hw); 4763bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo priv->irq = -1; 4764bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo } 4765a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4766a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop finalize join worker */ 4767a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cancel_work_sync(&priv->finalize_join_worker); 47683aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam cancel_work_sync(&priv->watchdog_ba_handle); 4769a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->beacon_skb != NULL) 4770a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(priv->beacon_skb); 4771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 477267e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek /* Stop TX reclaim and RX tasklets. */ 47731e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_disable(&priv->poll_tx_task); 477467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_disable(&priv->poll_rx_task); 4775a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4776a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Return all skbs to mac80211 */ 4777e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 4778efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek mwl8k_txq_reclaim(hw, i, INT_MAX, 1); 4779a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4780a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 47810863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolostatic int mwl8k_reload_firmware(struct ieee80211_hw *hw, char *fw_image); 47820863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo 4783a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_add_interface(struct ieee80211_hw *hw, 4784f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct ieee80211_vif *vif) 4785a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4786a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4787a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mwl8k_vif; 4788ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek u32 macids_supported; 47890863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo int macid, rc; 47900863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo struct mwl8k_device_info *di; 4791a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4792a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 4793a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Reject interface creation if sniffer mode is active, as 4794a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * STA operation is mutually exclusive with hardware sniffer 4795b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * mode. (Sniffer mode is only used on STA firmware.) 4796a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 4797a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (priv->sniffer_enabled) { 4798c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_info(hw->wiphy, 4799c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "unable to create STA interface because sniffer mode is enabled\n"); 4800a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return -EINVAL; 4801a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 4802a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 48030863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo di = priv->device_info; 4804ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek switch (vif->type) { 4805ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek case NL80211_IFTYPE_AP: 48060863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (!priv->ap_fw && di->fw_image_ap) { 48070863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo /* we must load the ap fw to meet this request */ 48080863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (!list_empty(&priv->vif_list)) 48090863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo return -EBUSY; 48100863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo rc = mwl8k_reload_firmware(hw, di->fw_image_ap); 48110863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (rc) 48120863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo return rc; 48130863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo } 4814ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek macids_supported = priv->ap_macids_supported; 4815ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek break; 4816ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek case NL80211_IFTYPE_STATION: 48170863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (priv->ap_fw && di->fw_image_sta) { 4818d59c1cfd7c106f53272143bc3f05b0b15bdd5dfaYogesh Ashok Powar if (!list_empty(&priv->vif_list)) { 4819d59c1cfd7c106f53272143bc3f05b0b15bdd5dfaYogesh Ashok Powar wiphy_warn(hw->wiphy, "AP interface is running.\n" 4820d59c1cfd7c106f53272143bc3f05b0b15bdd5dfaYogesh Ashok Powar "Adding STA interface for WDS"); 4821d59c1cfd7c106f53272143bc3f05b0b15bdd5dfaYogesh Ashok Powar } else { 4822d59c1cfd7c106f53272143bc3f05b0b15bdd5dfaYogesh Ashok Powar /* we must load the sta fw to 4823d59c1cfd7c106f53272143bc3f05b0b15bdd5dfaYogesh Ashok Powar * meet this request. 4824d59c1cfd7c106f53272143bc3f05b0b15bdd5dfaYogesh Ashok Powar */ 4825d59c1cfd7c106f53272143bc3f05b0b15bdd5dfaYogesh Ashok Powar rc = mwl8k_reload_firmware(hw, 4826d59c1cfd7c106f53272143bc3f05b0b15bdd5dfaYogesh Ashok Powar di->fw_image_sta); 4827d59c1cfd7c106f53272143bc3f05b0b15bdd5dfaYogesh Ashok Powar if (rc) 4828d59c1cfd7c106f53272143bc3f05b0b15bdd5dfaYogesh Ashok Powar return rc; 4829d59c1cfd7c106f53272143bc3f05b0b15bdd5dfaYogesh Ashok Powar } 48300863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo } 4831ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek macids_supported = priv->sta_macids_supported; 4832ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek break; 4833ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek default: 4834ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek return -EINVAL; 4835ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek } 4836ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek 4837ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek macid = ffs(macids_supported & ~priv->macids_used); 4838ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek if (!macid--) 4839ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek return -EBUSY; 4840ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek 4841f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek /* Setup driver private area. */ 48421ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg mwl8k_vif = MWL8K_VIF(vif); 4843a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(mwl8k_vif, 0, sizeof(*mwl8k_vif)); 4844f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek mwl8k_vif->vif = vif; 4845ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mwl8k_vif->macid = macid; 4846a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->seqno = 0; 4847d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam memcpy(mwl8k_vif->bssid, vif->addr, ETH_ALEN); 4848d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam mwl8k_vif->is_hw_crypto_enabled = false; 4849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4850aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek /* Set the mac address. */ 4851aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek mwl8k_cmd_set_mac_addr(hw, vif, vif->addr); 4852aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek 4853d994a1c867ed301aaad26f769885d78e599e1dafYogesh Ashok Powar if (vif->type == NL80211_IFTYPE_AP) 4854aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek mwl8k_cmd_set_new_stn_add_self(hw, vif); 4855aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek 4856ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->macids_used |= 1 << mwl8k_vif->macid; 4857f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek list_add_tail(&mwl8k_vif->list, &priv->vif_list); 4858a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4859a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 4860a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4861a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 48626b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powarstatic void mwl8k_remove_vif(struct mwl8k_priv *priv, struct mwl8k_vif *vif) 48636b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar{ 48646b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* Has ieee80211_restart_hw re-added the removed interfaces? */ 48656b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!priv->macids_used) 48666b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar return; 48676b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 48686b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->macids_used &= ~(1 << vif->macid); 48696b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar list_del(&vif->list); 48706b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar} 48716b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 4872a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_remove_interface(struct ieee80211_hw *hw, 48731ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg struct ieee80211_vif *vif) 4874a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4875a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4876f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 4877a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4878d994a1c867ed301aaad26f769885d78e599e1dafYogesh Ashok Powar if (vif->type == NL80211_IFTYPE_AP) 4879b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_cmd_set_new_stn_del(hw, vif, vif->addr); 4880b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4881197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar mwl8k_cmd_del_mac_addr(hw, vif, vif->addr); 488232060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 48836b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_remove_vif(priv, mwl8k_vif); 48846b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar} 48856b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 48866b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powarstatic void mwl8k_hw_restart_work(struct work_struct *work) 48876b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar{ 48886b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar struct mwl8k_priv *priv = 48896b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar container_of(work, struct mwl8k_priv, fw_reload); 48906b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar struct ieee80211_hw *hw = priv->hw; 48916b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar struct mwl8k_device_info *di; 48926b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar int rc; 48936b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 48946b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* If some command is waiting for a response, clear it */ 48956b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->hostcmd_wait != NULL) { 48966b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar complete(priv->hostcmd_wait); 48976b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hostcmd_wait = NULL; 48986b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar } 48996b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 49006b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hw_restart_owner = current; 49016b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar di = priv->device_info; 49026b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_fw_lock(hw); 49036b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 49046b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->ap_fw) 49056b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar rc = mwl8k_reload_firmware(hw, di->fw_image_ap); 49066b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar else 49076b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar rc = mwl8k_reload_firmware(hw, di->fw_image_sta); 49086b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 49096b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (rc) 49106b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar goto fail; 49116b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 49126b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hw_restart_owner = NULL; 49136b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hw_restart_in_progress = false; 49146b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 49156b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* 49166b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * This unlock will wake up the queues and 49176b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * also opens the command path for other 49186b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * commands 49196b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 49206b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_fw_unlock(hw); 49216b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 49226b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar ieee80211_restart_hw(hw); 49236b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 49246b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar wiphy_err(hw->wiphy, "Firmware restarted successfully\n"); 49256b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 49266b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar return; 49276b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powarfail: 49286b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_fw_unlock(hw); 49296b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 49306b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar wiphy_err(hw->wiphy, "Firmware restart failed\n"); 4931a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4932a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4933ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhekstatic int mwl8k_config(struct ieee80211_hw *hw, u32 changed) 4934a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4935a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_conf *conf = &hw->conf; 4936a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4937ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek int rc; 4938a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4939ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek rc = mwl8k_fw_lock(hw); 4940ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 4941ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return rc; 4942a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4943fe21bb02ca3b312ba3b89382760e548fd8996a55Jonas Gorski if (conf->flags & IEEE80211_CONF_IDLE) 4944fe21bb02ca3b312ba3b89382760e548fd8996a55Jonas Gorski rc = mwl8k_cmd_radio_disable(hw); 4945fe21bb02ca3b312ba3b89382760e548fd8996a55Jonas Gorski else 4946fe21bb02ca3b312ba3b89382760e548fd8996a55Jonas Gorski rc = mwl8k_cmd_radio_enable(hw); 4947ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 4948ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 4949a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 49500f4316b97d045e9b5b270cafa4b924769699eb3dYogesh Ashok Powar if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 49510f4316b97d045e9b5b270cafa4b924769699eb3dYogesh Ashok Powar rc = mwl8k_cmd_set_rf_channel(hw, conf); 49520f4316b97d045e9b5b270cafa4b924769699eb3dYogesh Ashok Powar if (rc) 49530f4316b97d045e9b5b270cafa4b924769699eb3dYogesh Ashok Powar goto out; 49540f4316b97d045e9b5b270cafa4b924769699eb3dYogesh Ashok Powar } 4955ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek 4956a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (conf->power_level > 18) 4957a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek conf->power_level = 18; 4958a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 495908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek if (priv->ap_fw) { 49600321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam 49610321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam if (conf->flags & IEEE80211_CONF_CHANGE_POWER) { 49620321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam rc = mwl8k_cmd_tx_power(hw, conf, conf->power_level); 49630321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam if (rc) 49640321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam goto out; 49650321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam } 496641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 4967da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam 496808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek } else { 496941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam rc = mwl8k_cmd_rf_tx_power(hw, conf->power_level); 497041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam if (rc) 497141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam goto out; 497208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek rc = mwl8k_cmd_mimo_config(hw, 0x7, 0x7); 497308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek } 4974a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4975ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhekout: 4976ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek mwl8k_fw_unlock(hw); 4977a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4978ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return rc; 4979a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4980a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4981b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstatic void 4982b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekmwl8k_bss_info_changed_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4983b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct ieee80211_bss_conf *info, u32 changed) 4984a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4985a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4986ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar u32 ap_legacy_rates = 0; 498713935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek u8 ap_mcs_rates[16]; 49883a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek int rc; 49893a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek 4990c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (mwl8k_fw_lock(hw)) 49913a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek return; 4992a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4993c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek /* 4994c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek * No need to capture a beacon if we're no longer associated. 4995c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek */ 4996c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if ((changed & BSS_CHANGED_ASSOC) && !vif->bss_conf.assoc) 4997c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek priv->capture_beacon = false; 49983a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek 4999c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek /* 500013935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek * Get the AP's legacy and MCS rates. 5001c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek */ 50027dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek if (vif->bss_conf.assoc) { 5003c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek struct ieee80211_sta *ap; 5004c97470dd253831e880c72ea5d022ed7f3aee45c3Lennert Buytenhek 5005c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek rcu_read_lock(); 5006c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 5007c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek ap = ieee80211_find_sta(vif, vif->bss_conf.bssid); 5008c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (ap == NULL) { 5009c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek rcu_read_unlock(); 5010c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek goto out; 5011c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 5012c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek 5013675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan if (hw->conf.chandef.chan->band == IEEE80211_BAND_2GHZ) { 50148707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek ap_legacy_rates = ap->supp_rates[IEEE80211_BAND_2GHZ]; 50158707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek } else { 50168707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek ap_legacy_rates = 50178707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek ap->supp_rates[IEEE80211_BAND_5GHZ] << 5; 50188707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek } 501913935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(ap_mcs_rates, ap->ht_cap.mcs.rx_mask, 16); 5020c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek 5021c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek rcu_read_unlock(); 5022c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 5023c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 5024dcee7438caa409948347c0a3821e3ab6e7459984Yogesh Ashok Powar if ((changed & BSS_CHANGED_ASSOC) && vif->bss_conf.assoc && 5025dcee7438caa409948347c0a3821e3ab6e7459984Yogesh Ashok Powar !priv->ap_fw) { 502613935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek rc = mwl8k_cmd_set_rate(hw, vif, ap_legacy_rates, ap_mcs_rates); 50273a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 50283a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 5029a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5030b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek rc = mwl8k_cmd_use_fixed_rate_sta(hw); 50313a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 50323a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 5033dcee7438caa409948347c0a3821e3ab6e7459984Yogesh Ashok Powar } else { 5034dcee7438caa409948347c0a3821e3ab6e7459984Yogesh Ashok Powar if ((changed & BSS_CHANGED_ASSOC) && vif->bss_conf.assoc && 5035dcee7438caa409948347c0a3821e3ab6e7459984Yogesh Ashok Powar priv->ap_fw) { 5036dcee7438caa409948347c0a3821e3ab6e7459984Yogesh Ashok Powar int idx; 5037dcee7438caa409948347c0a3821e3ab6e7459984Yogesh Ashok Powar int rate; 5038dcee7438caa409948347c0a3821e3ab6e7459984Yogesh Ashok Powar 5039dcee7438caa409948347c0a3821e3ab6e7459984Yogesh Ashok Powar /* Use AP firmware specific rate command. 5040dcee7438caa409948347c0a3821e3ab6e7459984Yogesh Ashok Powar */ 5041dcee7438caa409948347c0a3821e3ab6e7459984Yogesh Ashok Powar idx = ffs(vif->bss_conf.basic_rates); 5042dcee7438caa409948347c0a3821e3ab6e7459984Yogesh Ashok Powar if (idx) 5043dcee7438caa409948347c0a3821e3ab6e7459984Yogesh Ashok Powar idx--; 5044dcee7438caa409948347c0a3821e3ab6e7459984Yogesh Ashok Powar 5045675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan if (hw->conf.chandef.chan->band == IEEE80211_BAND_2GHZ) 5046dcee7438caa409948347c0a3821e3ab6e7459984Yogesh Ashok Powar rate = mwl8k_rates_24[idx].hw_value; 5047dcee7438caa409948347c0a3821e3ab6e7459984Yogesh Ashok Powar else 5048dcee7438caa409948347c0a3821e3ab6e7459984Yogesh Ashok Powar rate = mwl8k_rates_50[idx].hw_value; 5049dcee7438caa409948347c0a3821e3ab6e7459984Yogesh Ashok Powar 5050dcee7438caa409948347c0a3821e3ab6e7459984Yogesh Ashok Powar mwl8k_cmd_use_fixed_rate_ap(hw, rate, rate); 5051dcee7438caa409948347c0a3821e3ab6e7459984Yogesh Ashok Powar } 5052c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 5053a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5054c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (changed & BSS_CHANGED_ERP_PREAMBLE) { 50557dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek rc = mwl8k_set_radio_preamble(hw, 50567dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek vif->bss_conf.use_short_preamble); 50573a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 50583a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 5059c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 5060a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5061dcee7438caa409948347c0a3821e3ab6e7459984Yogesh Ashok Powar if ((changed & BSS_CHANGED_ERP_SLOT) && !priv->ap_fw) { 50627dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek rc = mwl8k_cmd_set_slot(hw, vif->bss_conf.use_short_slot); 50633a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 50643a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 5065c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 5066a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5067dcee7438caa409948347c0a3821e3ab6e7459984Yogesh Ashok Powar if (vif->bss_conf.assoc && !priv->ap_fw && 5068c97470dd253831e880c72ea5d022ed7f3aee45c3Lennert Buytenhek (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_ERP_CTS_PROT | 5069c97470dd253831e880c72ea5d022ed7f3aee45c3Lennert Buytenhek BSS_CHANGED_HT))) { 5070c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek rc = mwl8k_cmd_set_aid(hw, vif, ap_legacy_rates); 50713a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 50723a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 5073c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 5074a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5075c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (vif->bss_conf.assoc && 5076c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_BEACON_INT))) { 5077a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 5078a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Finalize the join. Tell rx handler to process 5079a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * next beacon from our BSSID. 5080a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 50810a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhek memcpy(priv->capture_bssid, vif->bss_conf.bssid, ETH_ALEN); 5082a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = true; 5083a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5084a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 50853a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhekout: 50863a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek mwl8k_fw_unlock(hw); 5087a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5088a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5089b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstatic void 5090b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekmwl8k_bss_info_changed_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5091b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct ieee80211_bss_conf *info, u32 changed) 5092b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 5093b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rc; 5094b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 5095b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (mwl8k_fw_lock(hw)) 5096b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return; 5097b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 5098b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (changed & BSS_CHANGED_ERP_PREAMBLE) { 5099b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek rc = mwl8k_set_radio_preamble(hw, 5100b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek vif->bss_conf.use_short_preamble); 5101b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (rc) 5102b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek goto out; 5103b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek } 5104b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 5105b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (changed & BSS_CHANGED_BASIC_RATES) { 5106b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int idx; 5107b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rate; 5108b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 5109b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek /* 5110b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * Use lowest supported basic rate for multicasts 5111b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * and management frames (such as probe responses -- 5112b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * beacons will always go out at 1 Mb/s). 5113b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek */ 5114b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek idx = ffs(vif->bss_conf.basic_rates); 51158707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek if (idx) 51168707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek idx--; 51178707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek 5118675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan if (hw->conf.chandef.chan->band == IEEE80211_BAND_2GHZ) 51198707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rate = mwl8k_rates_24[idx].hw_value; 51208707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek else 51218707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rate = mwl8k_rates_50[idx].hw_value; 5122b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 5123b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_cmd_use_fixed_rate_ap(hw, rate, rate); 5124b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek } 5125b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 5126b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (changed & (BSS_CHANGED_BEACON_INT | BSS_CHANGED_BEACON)) { 5127b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct sk_buff *skb; 5128b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 5129b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek skb = ieee80211_beacon_get(hw, vif); 5130b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (skb != NULL) { 5131aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek mwl8k_cmd_set_beacon(hw, vif, skb->data, skb->len); 5132b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek kfree_skb(skb); 5133b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek } 5134b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek } 5135b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 5136b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (changed & BSS_CHANGED_BEACON_ENABLED) 5137aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek mwl8k_cmd_bss_start(hw, vif, info->enable_beacon); 5138b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 5139b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekout: 5140b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_fw_unlock(hw); 5141b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 5142b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 5143b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstatic void 5144b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekmwl8k_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5145b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct ieee80211_bss_conf *info, u32 changed) 5146b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 514741bf911910fc41996878afc679c352d89477d626Yogesh Ashok Powar if (vif->type == NL80211_IFTYPE_STATION) 5148b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_bss_info_changed_sta(hw, vif, info, changed); 514941bf911910fc41996878afc679c352d89477d626Yogesh Ashok Powar if (vif->type == NL80211_IFTYPE_AP) 5150b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_bss_info_changed_ap(hw, vif, info, changed); 5151b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 5152b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 5153e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhekstatic u64 mwl8k_prepare_multicast(struct ieee80211_hw *hw, 515422bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko struct netdev_hw_addr_list *mc_list) 5155e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek{ 5156e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek struct mwl8k_cmd_pkt *cmd; 5157e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 5158447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek /* 5159447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * Synthesize and return a command packet that programs the 5160447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * hardware multicast address filter. At this point we don't 5161447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * know whether FIF_ALLMULTI is being requested, but if it is, 5162447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * we'll end up throwing this packet away and creating a new 5163447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * one in mwl8k_configure_filter(). 5164447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek */ 516522bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko cmd = __mwl8k_cmd_mac_multicast_adr(hw, 0, mc_list); 5166e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 5167e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return (unsigned long)cmd; 5168e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek} 5169e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 5170a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhekstatic int 5171a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhekmwl8k_configure_filter_sniffer(struct ieee80211_hw *hw, 5172a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek unsigned int changed_flags, 5173a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek unsigned int *total_flags) 5174a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek{ 5175a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 5176a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 5177a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek /* 5178a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Hardware sniffer mode is mutually exclusive with STA 5179a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * operation, so refuse to enable sniffer mode if a STA 5180a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * interface is active. 5181a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 5182f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek if (!list_empty(&priv->vif_list)) { 5183a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (net_ratelimit()) 5184c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_info(hw->wiphy, 5185c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "not enabling sniffer mode because STA interface is active\n"); 5186a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 0; 5187a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 5188a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 5189a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (!priv->sniffer_enabled) { 519055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (mwl8k_cmd_enable_sniffer(hw, 1)) 5191a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 0; 5192a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek priv->sniffer_enabled = true; 5193a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 5194a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 5195a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek *total_flags &= FIF_PROMISC_IN_BSS | FIF_ALLMULTI | 5196a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL | 5197a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek FIF_OTHER_BSS; 5198a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 5199a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 1; 5200a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek} 5201a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 5202f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhekstatic struct mwl8k_vif *mwl8k_first_vif(struct mwl8k_priv *priv) 5203f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek{ 5204f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek if (!list_empty(&priv->vif_list)) 5205f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek return list_entry(priv->vif_list.next, struct mwl8k_vif, list); 5206f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek 5207f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek return NULL; 5208f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek} 5209f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek 5210e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhekstatic void mwl8k_configure_filter(struct ieee80211_hw *hw, 5211e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek unsigned int changed_flags, 5212e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek unsigned int *total_flags, 5213e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek u64 multicast) 5214e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek{ 5215e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 5216a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek struct mwl8k_cmd_pkt *cmd = (void *)(unsigned long)multicast; 5217a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 5218a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek /* 5219c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek * AP firmware doesn't allow fine-grained control over 5220c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek * the receive filter. 5221c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek */ 5222c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek if (priv->ap_fw) { 5223c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek *total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC; 5224c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek kfree(cmd); 5225c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek return; 5226c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek } 5227c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek 5228c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek /* 5229a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Enable hardware sniffer mode if FIF_CONTROL or 5230a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * FIF_OTHER_BSS is requested. 5231a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 5232a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (*total_flags & (FIF_CONTROL | FIF_OTHER_BSS) && 5233a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek mwl8k_configure_filter_sniffer(hw, changed_flags, total_flags)) { 5234a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek kfree(cmd); 5235a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return; 5236a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 5237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5238e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek /* Clear unsupported feature flags */ 5239447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek *total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC; 5240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 524190852f7aed0f90d443efd7e0f9b82d8ac8186848Lennert Buytenhek if (mwl8k_fw_lock(hw)) { 524290852f7aed0f90d443efd7e0f9b82d8ac8186848Lennert Buytenhek kfree(cmd); 5243e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek return; 524490852f7aed0f90d443efd7e0f9b82d8ac8186848Lennert Buytenhek } 5245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5246a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (priv->sniffer_enabled) { 524755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek mwl8k_cmd_enable_sniffer(hw, 0); 5248a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek priv->sniffer_enabled = false; 5249a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 5250a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 5251e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 525277165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek if (*total_flags & FIF_BCN_PRBRESP_PROMISC) { 525377165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek /* 525477165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * Disable the BSS filter. 525577165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek */ 5256e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_cmd_set_pre_scan(hw); 525777165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek } else { 5258f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct mwl8k_vif *mwl8k_vif; 52590a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhek const u8 *bssid; 5260a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek 526177165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek /* 526277165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * Enable the BSS filter. 526377165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * 526477165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * If there is an active STA interface, use that 526577165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * interface's BSSID, otherwise use a dummy one 526677165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * (where the OUI part needs to be nonzero for 526777165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * the BSSID to be accepted by POST_SCAN). 526877165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek */ 5269f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek mwl8k_vif = mwl8k_first_vif(priv); 5270f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek if (mwl8k_vif != NULL) 5271f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek bssid = mwl8k_vif->vif->bss_conf.bssid; 5272f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek else 5273f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek bssid = "\x01\x00\x00\x00\x00\x00"; 5274a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek 5275e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_cmd_set_post_scan(hw, bssid); 5276a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5277a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5278a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5279447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek /* 5280447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * If FIF_ALLMULTI is being requested, throw away the command 5281447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * packet that ->prepare_multicast() built and replace it with 5282447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * a command packet that enables reception of all multicast 5283447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * packets. 5284447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek */ 5285447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (*total_flags & FIF_ALLMULTI) { 5286447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek kfree(cmd); 528722bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko cmd = __mwl8k_cmd_mac_multicast_adr(hw, 1, NULL); 5288447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek } 5289447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek 5290447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (cmd != NULL) { 5291447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek mwl8k_post_cmd(hw, cmd); 5292447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek kfree(cmd); 5293e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek } 5294a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5295e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_fw_unlock(hw); 5296a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5297a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5298a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 5299a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 5300c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek return mwl8k_cmd_set_rts_threshold(hw, value); 5301a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5302a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 53034a6967b88af02eebeedfbb91bc09160750225bb5Johannes Bergstatic int mwl8k_sta_remove(struct ieee80211_hw *hw, 53044a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg struct ieee80211_vif *vif, 53054a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg struct ieee80211_sta *sta) 53063f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek{ 53073f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 53083f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 53094a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg if (priv->ap_fw) 53104a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg return mwl8k_cmd_set_new_stn_del(hw, vif, sta->addr); 53114a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg else 53124a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg return mwl8k_cmd_update_stadb_del(hw, vif, sta->addr); 5313bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek} 5314bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 53154a6967b88af02eebeedfbb91bc09160750225bb5Johannes Bergstatic int mwl8k_sta_add(struct ieee80211_hw *hw, 53164a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg struct ieee80211_vif *vif, 53174a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg struct ieee80211_sta *sta) 5318bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek{ 5319bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 53204a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg int ret; 5321fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int i; 5322fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 5323fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key; 5324bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 53254a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg if (!priv->ap_fw) { 53264a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg ret = mwl8k_cmd_update_stadb_add(hw, vif, sta); 53274a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg if (ret >= 0) { 53284a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg MWL8K_STA(sta)->peer_id = ret; 5329170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam if (sta->ht_cap.ht_supported) 5330170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam MWL8K_STA(sta)->is_ampdu_allowed = true; 5331fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam ret = 0; 53324a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg } 5333bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 5334d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } else { 5335d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam ret = mwl8k_cmd_set_new_stn_add(hw, vif, sta); 5336bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek } 53374a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg 5338d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam for (i = 0; i < NUM_WEP_KEYS; i++) { 5339d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam key = IEEE80211_KEY_CONF(mwl8k_vif->wep_key_conf[i].key); 5340d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (mwl8k_vif->wep_key_conf[i].enabled) 5341d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam mwl8k_set_key(hw, SET_KEY, vif, sta, key); 5342d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 5343fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return ret; 5344bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek} 5345bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 53468a3a3c85e44d58f5af0adac74a0b866ba89a1978Eliad Pellerstatic int mwl8k_conf_tx(struct ieee80211_hw *hw, 53478a3a3c85e44d58f5af0adac74a0b866ba89a1978Eliad Peller struct ieee80211_vif *vif, u16 queue, 5348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const struct ieee80211_tx_queue_params *params) 5349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 53503e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 5351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 5352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 53533e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek rc = mwl8k_fw_lock(hw); 53543e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!rc) { 5355e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo BUG_ON(queue > MWL8K_TX_WMM_QUEUES - 1); 53560863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo memcpy(&priv->wmm_params[queue], params, sizeof(*params)); 53570863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo 53583e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!priv->wmm_enabled) 535955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_wmm_mode(hw, 1); 5360a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 536185c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam if (!rc) { 5362e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo int q = MWL8K_TX_WMM_QUEUES - 1 - queue; 536385c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam rc = mwl8k_cmd_set_edca_params(hw, q, 536455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->cw_min, 536555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->cw_max, 536655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->aifs, 536755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->txop); 536885c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam } 53693e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek 53703e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek mwl8k_fw_unlock(hw); 5371a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 53723e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek 5373a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 5374a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5375a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5376a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_get_stats(struct ieee80211_hw *hw, 5377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_low_level_stats *stats) 5378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 537955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_get_stat(hw, stats); 5380a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5381a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 53820d462bbb0e20863b6c796abd779bfdb534d60278John W. Linvillestatic int mwl8k_get_survey(struct ieee80211_hw *hw, int idx, 53830d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville struct survey_info *survey) 53840d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville{ 53850d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville struct mwl8k_priv *priv = hw->priv; 53860d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville struct ieee80211_conf *conf = &hw->conf; 5387031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar struct ieee80211_supported_band *sband; 5388031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar 5389031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar if (priv->ap_fw) { 5390031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar sband = hw->wiphy->bands[IEEE80211_BAND_2GHZ]; 5391031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar 5392031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar if (sband && idx >= sband->n_channels) { 5393031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar idx -= sband->n_channels; 5394031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar sband = NULL; 5395031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar } 5396031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar 5397031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar if (!sband) 5398031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar sband = hw->wiphy->bands[IEEE80211_BAND_5GHZ]; 5399031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar 5400031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar if (!sband || idx >= sband->n_channels) 5401031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar return -ENOENT; 5402031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar 5403031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar memcpy(survey, &priv->survey[idx], sizeof(*survey)); 5404031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar survey->channel = &sband->channels[idx]; 5405031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar 5406031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar return 0; 5407031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar } 54080d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 54090d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville if (idx != 0) 54100d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville return -ENOENT; 54110d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 5412675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan survey->channel = conf->chandef.chan; 54130d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville survey->filled = SURVEY_INFO_NOISE_DBM; 54140d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville survey->noise = priv->noise; 54150d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 54160d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville return 0; 54170d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville} 54180d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 541965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam#define MAX_AMPDU_ATTEMPTS 5 542065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 5421a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhekstatic int 5422a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhekmwl8k_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5423a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek enum ieee80211_ampdu_mlme_action action, 54240b01f030d38e00650e2db42da083d8647aad40a5Johannes Berg struct ieee80211_sta *sta, u16 tid, u16 *ssn, 54250b01f030d38e00650e2db42da083d8647aad40a5Johannes Berg u8 buf_size) 5426a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek{ 542765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 542865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam int i, rc = 0; 542965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam struct mwl8k_priv *priv = hw->priv; 543065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam struct mwl8k_ampdu_stream *stream; 543107f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar u8 *addr = sta->addr, idx; 5432fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar struct mwl8k_sta *sta_info = MWL8K_STA(sta); 543365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 543465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (!(hw->flags & IEEE80211_HW_AMPDU_AGGREGATION)) 543565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam return -ENOTSUPP; 543665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 543765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 543865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream = mwl8k_lookup_stream(hw, addr, tid); 543965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 5440a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek switch (action) { 5441a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek case IEEE80211_AMPDU_RX_START: 5442a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek case IEEE80211_AMPDU_RX_STOP: 544365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 544465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam case IEEE80211_AMPDU_TX_START: 544565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* By the time we get here the hw queues may contain outgoing 544665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * packets for this RA/TID that are not part of this BA 544765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * session. The hw will assign sequence numbers to these 544865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * packets as they go out. So if we query the hw for its next 544965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * sequence number and use that for the SSN here, it may end up 545065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * being wrong, which will lead to sequence number mismatch at 545165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * the recipient. To avoid this, we reset the sequence number 545265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * to O for the first MPDU in this BA stream. 545365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 545465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam *ssn = 0; 545565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (stream == NULL) { 545665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* This means that somebody outside this driver called 545765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * ieee80211_start_tx_ba_session. This is unexpected 545865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * because we do our own rate control. Just warn and 545965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * move on. 546065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 546165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_warn(hw->wiphy, "Unexpected call to %s. " 546265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam "Proceeding anyway.\n", __func__); 546365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream = mwl8k_add_stream(hw, sta, tid); 546465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 546565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (stream == NULL) { 546665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_debug(hw->wiphy, "no free AMPDU streams\n"); 546765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam rc = -EBUSY; 546865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 546965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 547065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream->state = AMPDU_STREAM_IN_PROGRESS; 547165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 547265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* Release the lock before we do the time consuming stuff */ 547365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 547465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam for (i = 0; i < MAX_AMPDU_ATTEMPTS; i++) { 5475fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar 5476fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar /* Check if link is still valid */ 5477fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar if (!sta_info->is_ampdu_allowed) { 5478fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar spin_lock(&priv->stream_lock); 5479fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar mwl8k_remove_stream(hw, stream); 5480fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar spin_unlock(&priv->stream_lock); 5481fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar return -EBUSY; 5482fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar } 5483fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar 5484f95275c48b60fc486517f05da0800357dfd3ce2fYogesh Ashok Powar rc = mwl8k_check_ba(hw, stream, vif); 548565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 54866b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* If HW restart is in progress mwl8k_post_cmd will 54876b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * return -EBUSY. Avoid retrying mwl8k_check_ba in 54886b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * such cases 54896b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 54906b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!rc || rc == -EBUSY) 549165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 549265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* 549365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * HW queues take time to be flushed, give them 549465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * sufficient time 549565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 549665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 549765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam msleep(1000); 549865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 549965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 550065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (rc) { 550165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_err(hw->wiphy, "Stream for tid %d busy after %d" 550265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam " attempts\n", tid, MAX_AMPDU_ATTEMPTS); 550365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_remove_stream(hw, stream); 550465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam rc = -EBUSY; 550565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 550665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 550765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam ieee80211_start_tx_ba_cb_irqsafe(vif, addr, tid); 550865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 550918b559d5db47c86b10c14590aa2d26c0243c39e4Johannes Berg case IEEE80211_AMPDU_TX_STOP_CONT: 551018b559d5db47c86b10c14590aa2d26c0243c39e4Johannes Berg case IEEE80211_AMPDU_TX_STOP_FLUSH: 551118b559d5db47c86b10c14590aa2d26c0243c39e4Johannes Berg case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 5512eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar if (stream) { 5513eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar if (stream->state == AMPDU_STREAM_ACTIVE) { 551407f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar idx = stream->idx; 5515eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar spin_unlock(&priv->stream_lock); 551607f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar mwl8k_destroy_ba(hw, idx); 5517eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar spin_lock(&priv->stream_lock); 5518eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar } 5519eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar mwl8k_remove_stream(hw, stream); 552065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 552165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam ieee80211_stop_tx_ba_cb_irqsafe(vif, addr, tid); 552265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 552365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam case IEEE80211_AMPDU_TX_OPERATIONAL: 552465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam BUG_ON(stream == NULL); 552565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam BUG_ON(stream->state != AMPDU_STREAM_IN_PROGRESS); 552665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 5527f95275c48b60fc486517f05da0800357dfd3ce2fYogesh Ashok Powar rc = mwl8k_create_ba(hw, stream, buf_size, vif); 552865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 552965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (!rc) 553065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream->state = AMPDU_STREAM_ACTIVE; 553165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam else { 553207f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar idx = stream->idx; 553365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 553407f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar mwl8k_destroy_ba(hw, idx); 553565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 553665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_debug(hw->wiphy, 553765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam "Failed adding stream for sta %pM tid %d\n", 553865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam addr, tid); 553965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_remove_stream(hw, stream); 554065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 554165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 554265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 5543a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek default: 554465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam rc = -ENOTSUPP; 5545a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek } 554665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 554765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 554865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam return rc; 5549a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek} 5550a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek 55514c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powarstatic void mwl8k_sw_scan_start(struct ieee80211_hw *hw) 55524c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar{ 55534c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar struct mwl8k_priv *priv = hw->priv; 55544c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar u8 tmp; 55554c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar 55564c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar if (!priv->ap_fw) 55574c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar return; 55584c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar 55594c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar /* clear all stats */ 5560031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar priv->channel_time = 0; 55614c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar ioread32(priv->regs + BBU_RXRDY_CNT_REG); 55624c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar ioread32(priv->regs + NOK_CCA_CNT_REG); 55634c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar mwl8k_cmd_bbp_reg_access(priv->hw, 0, BBU_AVG_NOISE_VAL, &tmp); 55644c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar 55654c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar priv->sw_scan_start = true; 55664c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar} 55674c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar 55684c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powarstatic void mwl8k_sw_scan_complete(struct ieee80211_hw *hw) 55694c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar{ 55704c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar struct mwl8k_priv *priv = hw->priv; 55714c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar u8 tmp; 55724c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar 55734c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar if (!priv->ap_fw) 55744c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar return; 55754c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar 55764c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar priv->sw_scan_start = false; 55774c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar 55784c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar /* clear all stats */ 5579031eb464fb4b7e475c4e8ca59502f017ae328704Yogesh Ashok Powar priv->channel_time = 0; 55804c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar ioread32(priv->regs + BBU_RXRDY_CNT_REG); 55814c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar ioread32(priv->regs + NOK_CCA_CNT_REG); 55824c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar mwl8k_cmd_bbp_reg_access(priv->hw, 0, BBU_AVG_NOISE_VAL, &tmp); 55834c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar} 55844c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar 5585a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const struct ieee80211_ops mwl8k_ops = { 5586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .tx = mwl8k_tx, 5587a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .start = mwl8k_start, 5588a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .stop = mwl8k_stop, 5589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .add_interface = mwl8k_add_interface, 5590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .remove_interface = mwl8k_remove_interface, 5591a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .config = mwl8k_config, 5592a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .bss_info_changed = mwl8k_bss_info_changed, 55933ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg .prepare_multicast = mwl8k_prepare_multicast, 5594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .configure_filter = mwl8k_configure_filter, 5595fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam .set_key = mwl8k_set_key, 5596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .set_rts_threshold = mwl8k_set_rts_threshold, 55974a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg .sta_add = mwl8k_sta_add, 55984a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg .sta_remove = mwl8k_sta_remove, 5599a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .conf_tx = mwl8k_conf_tx, 5600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .get_stats = mwl8k_get_stats, 56010d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville .get_survey = mwl8k_get_survey, 5602a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek .ampdu_action = mwl8k_ampdu_action, 56034c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar .sw_scan_start = mwl8k_sw_scan_start, 56044c924f42c9c9f60ca861a8c4a52825778e9e09a0Yogesh Ashok Powar .sw_scan_complete = mwl8k_sw_scan_complete, 5605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 5606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5607a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_finalize_join_worker(struct work_struct *work) 5608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 5609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = 5610a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek container_of(work, struct mwl8k_priv, finalize_join_worker); 5611a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb = priv->beacon_skb; 561256007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg struct ieee80211_mgmt *mgmt = (void *)skb->data; 561356007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg int len = skb->len - offsetof(struct ieee80211_mgmt, u.beacon.variable); 561456007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg const u8 *tim = cfg80211_find_ie(WLAN_EID_TIM, 561556007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg mgmt->u.beacon.variable, len); 561656007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg int dtim_period = 1; 561756007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg 561856007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg if (tim && tim[1] >= 2) 561956007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg dtim_period = tim[3]; 5620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 562156007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg mwl8k_cmd_finalize_join(priv->hw, skb->data, skb->len, dtim_period); 5622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5623f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek dev_kfree_skb(skb); 5624a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->beacon_skb = NULL; 5625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5626a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5627bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linvilleenum { 56289e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek MWL8363 = 0, 56299e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek MWL8687, 5630bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville MWL8366, 5631d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam MWL8764, 56326f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek}; 56336f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 5634c2f2e2029bea2a8a759b2bc2a44f4d41539af236Yogesh Ashok Powar#define MWL8K_8366_AP_FW_API 3 5635952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo#define _MWL8K_8366_AP_FW(api) "mwl8k/fmimage_8366_ap-" #api ".fw" 5636952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo#define MWL8K_8366_AP_FW(api) _MWL8K_8366_AP_FW(api) 5637952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo 5638d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam#define MWL8K_8764_AP_FW_API 1 5639d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam#define _MWL8K_8764_AP_FW(api) "mwl8k/fmimage_8764_ap-" #api ".fw" 5640d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam#define MWL8K_8764_AP_FW(api) _MWL8K_8764_AP_FW(api) 5641d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam 56428dee5eef2ab313e519e6ce3c3bf9a16cfc6f5907Bill Pembertonstatic struct mwl8k_device_info mwl8k_info_tbl[] = { 56439e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek [MWL8363] = { 56449e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek .part_name = "88w8363", 56459e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek .helper_image = "mwl8k/helper_8363.fw", 56460863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo .fw_image_sta = "mwl8k/fmimage_8363.fw", 56479e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek }, 564849eb691c8f48a29adfdfbdeb82433f1f8cb6524dLennert Buytenhek [MWL8687] = { 5649bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .part_name = "88w8687", 5650bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .helper_image = "mwl8k/helper_8687.fw", 56510863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo .fw_image_sta = "mwl8k/fmimage_8687.fw", 5652bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville }, 565349eb691c8f48a29adfdfbdeb82433f1f8cb6524dLennert Buytenhek [MWL8366] = { 5654bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .part_name = "88w8366", 5655bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .helper_image = "mwl8k/helper_8366.fw", 56560863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo .fw_image_sta = "mwl8k/fmimage_8366.fw", 5657952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo .fw_image_ap = MWL8K_8366_AP_FW(MWL8K_8366_AP_FW_API), 5658952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo .fw_api_ap = MWL8K_8366_AP_FW_API, 5659d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam .ap_rxd_ops = &rxd_ap_ops, 5660d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam }, 5661d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam [MWL8764] = { 5662d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam .part_name = "88w8764", 5663d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam .fw_image_ap = MWL8K_8764_AP_FW(MWL8K_8764_AP_FW_API), 5664d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam .fw_api_ap = MWL8K_8764_AP_FW_API, 5665d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam .ap_rxd_ops = &rxd_ap_ops, 5666bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville }, 566745a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek}; 566845a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 5669c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/helper_8363.fw"); 5670c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/fmimage_8363.fw"); 5671c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/helper_8687.fw"); 5672c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/fmimage_8687.fw"); 5673c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/helper_8366.fw"); 5674c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/fmimage_8366.fw"); 5675952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian CavagnoloMODULE_FIRMWARE(MWL8K_8366_AP_FW(MWL8K_8366_AP_FW_API)); 5676c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert Buytenhek 56779baa3c34ac4e27f7e062f266f50cc5dbea26a6c1Benoit Tainestatic const struct pci_device_id mwl8k_pci_id_table[] = { 5678e5868ba10c3c5d8a56c06bbafe098103356ac03fBenjamin Larsson { PCI_VDEVICE(MARVELL, 0x2a0a), .driver_data = MWL8363, }, 56799e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a0c), .driver_data = MWL8363, }, 56809e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a24), .driver_data = MWL8363, }, 5681bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { PCI_VDEVICE(MARVELL, 0x2a2b), .driver_data = MWL8687, }, 5682bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { PCI_VDEVICE(MARVELL, 0x2a30), .driver_data = MWL8687, }, 5683bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { PCI_VDEVICE(MARVELL, 0x2a40), .driver_data = MWL8366, }, 5684fc5bc165b030dc8f20d69bcf46f86c9b52eb481aJonas Gorski { PCI_VDEVICE(MARVELL, 0x2a41), .driver_data = MWL8366, }, 5685fc5bc165b030dc8f20d69bcf46f86c9b52eb481aJonas Gorski { PCI_VDEVICE(MARVELL, 0x2a42), .driver_data = MWL8366, }, 5686ca66527c60385dcec878ebd90749d1fdc43bc870Lennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a43), .driver_data = MWL8366, }, 5687d926dc7de89ca3caa550a393b2a00715acb744eaNishant Sarmukadam { PCI_VDEVICE(MARVELL, 0x2b36), .driver_data = MWL8764, }, 5688bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { }, 568945a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek}; 569045a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert BuytenhekMODULE_DEVICE_TABLE(pci, mwl8k_pci_id_table); 569145a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 569299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic int mwl8k_request_alt_fw(struct mwl8k_priv *priv) 569399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo{ 569499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo int rc; 569599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting preferred fw %s.\n" 569699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo "Trying alternative firmware %s\n", pci_name(priv->pdev), 569799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref, priv->fw_alt); 569899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, priv->fw_alt, &priv->fw_ucode, true); 569999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) { 570099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting alt fw %s\n", 570199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo pci_name(priv->pdev), priv->fw_alt); 570299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return rc; 570399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 570499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return 0; 570599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo} 570699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 570799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic int mwl8k_firmware_load_success(struct mwl8k_priv *priv); 570899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic void mwl8k_fw_state_machine(const struct firmware *fw, void *context) 570999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo{ 571099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo struct mwl8k_priv *priv = context; 571199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo struct mwl8k_device_info *di = priv->device_info; 571299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo int rc; 571399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 571499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo switch (priv->fw_state) { 571599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo case FW_STATE_INIT: 571699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (!fw) { 571799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting helper fw %s\n", 571899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo pci_name(priv->pdev), di->helper_image); 571999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 572099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 572199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_helper = fw; 572299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, priv->fw_pref, &priv->fw_ucode, 572399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo true); 572499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc && priv->fw_alt) { 572599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_alt_fw(priv); 572699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 572799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 572899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_LOADING_ALT; 572999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else if (rc) 573099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 573199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 573299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_LOADING_PREF; 573399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo break; 573499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 573599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo case FW_STATE_LOADING_PREF: 573699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (!fw) { 573799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (priv->fw_alt) { 573899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_alt_fw(priv); 573999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 574099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 574199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_LOADING_ALT; 574299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else 574399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 574499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else { 574599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_ucode = fw; 574699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_firmware_load_success(priv); 574799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 574899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 574999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 575099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo complete(&priv->firmware_loading_complete); 575199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 575299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo break; 575399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 575499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo case FW_STATE_LOADING_ALT: 575599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (!fw) { 575699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting alt fw %s\n", 575799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo pci_name(priv->pdev), di->helper_image); 575899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 575999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 576099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_ucode = fw; 576199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_firmware_load_success(priv); 576299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 576399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 576499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 576599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo complete(&priv->firmware_loading_complete); 576699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo break; 576799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 576899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo default: 576999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Unexpected firmware loading state: %d\n", 577099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo MWL8K_NAME, priv->fw_state); 577199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo BUG_ON(1); 577299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 577399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 577499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return; 577599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 577699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolofail: 577799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_ERROR; 577899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo complete(&priv->firmware_loading_complete); 577999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo device_release_driver(&priv->pdev->dev); 578099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo mwl8k_release_firmware(priv); 578199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo} 578299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 57836b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar#define MAX_RESTART_ATTEMPTS 1 578499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic int mwl8k_init_firmware(struct ieee80211_hw *hw, char *fw_image, 578599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo bool nowait) 5786a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 57873cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct mwl8k_priv *priv = hw->priv; 5788a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 57896b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar int count = MAX_RESTART_ATTEMPTS; 5790be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 57916b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powarretry: 5792be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Reset firmware and hardware */ 5793be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek mwl8k_hw_reset(priv); 5794be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5795be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Ask userland hotplug daemon for the device firmware */ 579699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_firmware(priv, fw_image, nowait); 5797be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek if (rc) { 57985db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Firmware files not found\n"); 57993cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 5800be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek } 5801be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 580299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (nowait) 580399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return rc; 580499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 5805be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Load firmware into hardware */ 5806be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek rc = mwl8k_load_firmware(hw); 58073cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 58085db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Cannot start firmware\n"); 5809be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5810be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Reclaim memory once firmware is successfully loaded */ 5811be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek mwl8k_release_firmware(priv); 5812be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 58136b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (rc && count) { 58146b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* FW did not start successfully; 58156b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * lets try one more time 58166b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 58176b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar count--; 58186b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar wiphy_err(hw->wiphy, "Trying to reload the firmware again\n"); 58196b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar msleep(20); 58206b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar goto retry; 58216b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar } 58226b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 58233cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 58243cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo} 58253cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 582673b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolostatic int mwl8k_init_txqs(struct ieee80211_hw *hw) 582773b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo{ 582873b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo struct mwl8k_priv *priv = hw->priv; 582973b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo int rc = 0; 583073b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo int i; 583173b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo 5832e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) { 583373b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo rc = mwl8k_txq_init(hw, i); 583473b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (rc) 583573b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo break; 583673b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (priv->ap_fw) 583773b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo iowrite32(priv->txq[i].txd_dma, 583873b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->sram + priv->txq_offset[i]); 583973b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo } 584073b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo return rc; 584173b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo} 584273b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo 58433cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo/* initialize hw after successfully loading a firmware image */ 58443cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolostatic int mwl8k_probe_hw(struct ieee80211_hw *hw) 58453cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo{ 58463cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct mwl8k_priv *priv = hw->priv; 58473cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int rc = 0; 58483cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int i; 5849be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 585091942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek if (priv->ap_fw) { 585189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek priv->rxd_ops = priv->device_info->ap_rxd_ops; 585291942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek if (priv->rxd_ops == NULL) { 5853c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_err(hw->wiphy, 5854c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "Driver does not have AP firmware image support for this hardware\n"); 5855a2ca8ecb8ffc985e82c9570c3837408f7efe8c9dAlexey Khoroshilov rc = -ENOENT; 585691942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek goto err_stop_firmware; 585791942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek } 585891942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek } else { 585989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek priv->rxd_ops = &rxd_sta_ops; 586091942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek } 5861be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5862be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek priv->sniffer_enabled = false; 5863be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek priv->wmm_enabled = false; 5864be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek priv->pending_tx_pkts = 0; 5865c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar atomic_set(&priv->watchdog_event_pending, 0); 5866be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5867a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_rxq_init(hw, 0); 5868a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 58693cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_stop_firmware; 5870a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq_refill(hw, 0, INT_MAX); 5871a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 587273b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo /* For the sta firmware, we need to know the dma addresses of tx queues 587373b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo * before sending MWL8K_CMD_GET_HW_SPEC. So we must initialize them 587473b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo * prior to issuing this command. But for the AP case, we learn the 587573b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo * total number of queues from the result CMD_GET_HW_SPEC, so for this 587673b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo * case we must initialize the tx queues after. 587773b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo */ 58788a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo priv->num_ampdu_queues = 0; 587973b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (!priv->ap_fw) { 588073b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo rc = mwl8k_init_txqs(hw); 5881a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 5882a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_queues; 5883a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5884a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5885a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 5886c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 58873aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam iowrite32(MWL8K_A2H_INT_TX_DONE|MWL8K_A2H_INT_RX_READY| 58883aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam MWL8K_A2H_INT_BA_WATCHDOG, 58891e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek priv->regs + MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL); 589012488e01fb2b06bb3f6ee137efc88e29d827817eNishant Sarmukadam iowrite32(MWL8K_A2H_INT_OPC_DONE, 589112488e01fb2b06bb3f6ee137efc88e29d827817eNishant Sarmukadam priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 5892a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5893a0607fd3a25ba1848a63a0d925e36d914735ab47Joe Perches rc = request_irq(priv->pdev->irq, mwl8k_interrupt, 5894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IRQF_SHARED, MWL8K_NAME, hw); 5895a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 58965db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to register IRQ handler\n"); 5897a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_queues; 5898a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5899a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 59006b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* 59016b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * When hw restart is requested, 59026b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * mac80211 will take care of clearing 59036b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * the ampdu streams, so do not clear 59046b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * the ampdu state here 59056b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 59066b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!priv->hw_restart_in_progress) 59076b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar memset(priv->ampdu, 0, sizeof(priv->ampdu)); 5908ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 5909a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 5910a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Temporarily enable interrupts. Initial firmware host 5911c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek * commands use interrupts and avoid polling. Disable 5912a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * interrupts when done. 5913a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 5914c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 5915a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5916a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Get config data, mac addrs etc */ 591742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (priv->ap_fw) { 591842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_cmd_get_hw_spec_ap(hw); 591942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (!rc) 592073b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo rc = mwl8k_init_txqs(hw); 592173b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (!rc) 592242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_cmd_set_hw_spec(hw); 592342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek } else { 592442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_cmd_get_hw_spec_sta(hw); 592542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek } 5926a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 59275db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Cannot initialise firmware\n"); 5928be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_free_irq; 5929a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5930a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5931a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Turn radio off */ 593255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_radio_disable(hw); 5933a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 59345db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Cannot disable\n"); 5935be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_free_irq; 5936a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5937a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 593832060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek /* Clear MAC address */ 5939aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_cmd_set_mac_addr(hw, NULL, "\x00\x00\x00\x00\x00\x00"); 594032060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek if (rc) { 59415db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Cannot clear MAC address\n"); 5942be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_free_irq; 594332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek } 594432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 5945a246ac38cdd886bf053f67d5275a20e1a99ff586Yogesh Ashok Powar /* Configure Antennas */ 5946a246ac38cdd886bf053f67d5275a20e1a99ff586Yogesh Ashok Powar rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_RX, 0x3); 5947a246ac38cdd886bf053f67d5275a20e1a99ff586Yogesh Ashok Powar if (rc) 5948a246ac38cdd886bf053f67d5275a20e1a99ff586Yogesh Ashok Powar wiphy_warn(hw->wiphy, "failed to set # of RX antennas"); 5949a246ac38cdd886bf053f67d5275a20e1a99ff586Yogesh Ashok Powar rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_TX, 0x7); 5950a246ac38cdd886bf053f67d5275a20e1a99ff586Yogesh Ashok Powar if (rc) 5951a246ac38cdd886bf053f67d5275a20e1a99ff586Yogesh Ashok Powar wiphy_warn(hw->wiphy, "failed to set # of TX antennas"); 5952a246ac38cdd886bf053f67d5275a20e1a99ff586Yogesh Ashok Powar 5953a246ac38cdd886bf053f67d5275a20e1a99ff586Yogesh Ashok Powar 5954a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable interrupts */ 5955a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 5956a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 5957a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5958c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_info(hw->wiphy, "%s v%d, %pm, %s firmware %u.%u.%u.%u\n", 5959c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches priv->device_info->part_name, 5960c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches priv->hw_rev, hw->wiphy->perm_addr, 5961c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches priv->ap_fw ? "AP" : "STA", 5962c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches (priv->fw_rev >> 24) & 0xff, (priv->fw_rev >> 16) & 0xff, 5963c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches (priv->fw_rev >> 8) & 0xff, priv->fw_rev & 0xff); 5964a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5965a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 5966a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5967a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_irq: 5968a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 5969a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 5970a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5971a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_queues: 5972e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 5973a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_deinit(hw, i); 5974a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_rxq_deinit(hw, 0); 5975a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 59763cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnoloerr_stop_firmware: 59773cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_hw_reset(priv); 59783cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 59793cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 59803cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo} 59813cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 59823cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo/* 59833cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * invoke mwl8k_reload_firmware to change the firmware image after the device 59843cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * has already been registered 59853cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo */ 59863cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolostatic int mwl8k_reload_firmware(struct ieee80211_hw *hw, char *fw_image) 59873cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo{ 59883cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int i, rc = 0; 59893cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct mwl8k_priv *priv = hw->priv; 59906b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar struct mwl8k_vif *vif, *tmp_vif; 59913cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 59923cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_stop(hw); 59933cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_rxq_deinit(hw, 0); 59943cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 59956b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* 59966b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * All the existing interfaces are re-added by the ieee80211_reconfig; 59976b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * which means driver should remove existing interfaces before calling 59986b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * ieee80211_restart_hw 59996b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 60006b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->hw_restart_in_progress) 60016b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar list_for_each_entry_safe(vif, tmp_vif, &priv->vif_list, list) 60026b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_remove_vif(priv, vif); 60036b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 6004e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 60053cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_txq_deinit(hw, i); 60063cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 600799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_init_firmware(hw, fw_image, false); 60083cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 60093cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 60103cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 60113cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = mwl8k_probe_hw(hw); 60123cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 60133cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 60143cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 60156b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->hw_restart_in_progress) 60166b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar return rc; 60176b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 60183cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = mwl8k_start(hw); 60193cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 60203cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 60213cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 60223cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = mwl8k_config(hw, ~0); 60233cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 60243cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 60253cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 6026e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < MWL8K_TX_WMM_QUEUES; i++) { 60278a3a3c85e44d58f5af0adac74a0b866ba89a1978Eliad Peller rc = mwl8k_conf_tx(hw, NULL, i, &priv->wmm_params[i]); 60283cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 60293cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 60303cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 60313cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 60323cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 60333cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 60343cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolofail: 60353cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_WARNING "mwl8k: Failed to reload firmware image.\n"); 60363cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 60373cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo} 60383cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 60395d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powarstatic const struct ieee80211_iface_limit ap_if_limits[] = { 60405d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar { .max = 8, .types = BIT(NL80211_IFTYPE_AP) }, 60412acdaa7a578cf43566950a6cfb70848ff6607553Yogesh Ashok Powar { .max = 1, .types = BIT(NL80211_IFTYPE_STATION) }, 60425d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar}; 60435d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar 60445d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powarstatic const struct ieee80211_iface_combination ap_if_comb = { 60455d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar .limits = ap_if_limits, 60465d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar .n_limits = ARRAY_SIZE(ap_if_limits), 60475d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar .max_interfaces = 8, 60485d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar .num_different_channels = 1, 60495d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar}; 60505d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar 60515d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar 60523cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolostatic int mwl8k_firmware_load_success(struct mwl8k_priv *priv) 60533cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo{ 60543cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct ieee80211_hw *hw = priv->hw; 60553cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int i, rc; 60563cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 605799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_load_firmware(hw); 605899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo mwl8k_release_firmware(priv); 605999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) { 606099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo wiphy_err(hw->wiphy, "Cannot start firmware\n"); 606199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return rc; 606299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 606399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 60643cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* 60653cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * Extra headroom is the size of the required DMA header 60663cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * minus the size of the smallest 802.11 frame (CTS frame). 60673cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo */ 60683cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->extra_tx_headroom = 60693cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo sizeof(struct mwl8k_dma_data) - sizeof(struct ieee80211_cts); 60703cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 6071ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar hw->extra_tx_headroom -= priv->ap_fw ? REDUCED_TX_HEADROOM : 0; 6072ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 6073e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo hw->queues = MWL8K_TX_WMM_QUEUES; 60743cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 60753cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* Set rssi values to dBm */ 60760bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam hw->flags |= IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_HAS_RATE_CONTROL; 60772a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar 60782a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar /* 60792a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar * Ask mac80211 to not to trigger PS mode 60802a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar * based on PM bit of incoming frames. 60812a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar */ 60822a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar if (priv->ap_fw) 60832a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar hw->flags |= IEEE80211_HW_AP_LINK_PS; 60842a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar 60853cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->vif_data_size = sizeof(struct mwl8k_vif); 60863cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->sta_data_size = sizeof(struct mwl8k_sta); 60873cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 60883cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->macids_used = 0; 60893cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo INIT_LIST_HEAD(&priv->vif_list); 60903cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 60913cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* Set default radio state and preamble */ 60923db1cd5c05f35fb43eb134df6f321de4e63141f2Rusty Russell priv->radio_on = false; 60933db1cd5c05f35fb43eb134df6f321de4e63141f2Rusty Russell priv->radio_short_preamble = false; 60943cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 60953cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* Finalize join worker */ 60963cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo INIT_WORK(&priv->finalize_join_worker, mwl8k_finalize_join_worker); 60973aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam /* Handle watchdog ba events */ 60983aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam INIT_WORK(&priv->watchdog_ba_handle, mwl8k_watchdog_ba_events); 60996b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* To reload the firmware if it crashes */ 61006b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar INIT_WORK(&priv->fw_reload, mwl8k_hw_restart_work); 61013cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 61023cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* TX reclaim and RX tasklets. */ 61033cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo tasklet_init(&priv->poll_tx_task, mwl8k_tx_poll, (unsigned long)hw); 61043cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo tasklet_disable(&priv->poll_tx_task); 61053cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo tasklet_init(&priv->poll_rx_task, mwl8k_rx_poll, (unsigned long)hw); 61063cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo tasklet_disable(&priv->poll_rx_task); 61073cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 61083cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* Power management cookie */ 61093cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->cookie = pci_alloc_consistent(priv->pdev, 4, &priv->cookie_dma); 61103cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->cookie == NULL) 61113cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return -ENOMEM; 61123cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 61133cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mutex_init(&priv->fw_mutex); 61143cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->fw_mutex_owner = NULL; 61153cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->fw_mutex_depth = 0; 61163cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->hostcmd_wait = NULL; 61173cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 61183cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo spin_lock_init(&priv->tx_lock); 61193cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 6120ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo spin_lock_init(&priv->stream_lock); 6121ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 61223cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->tx_wait = NULL; 61233cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 61243cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = mwl8k_probe_hw(hw); 61253cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 61263cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_free_cookie; 61273cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 61283cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->wiphy->interface_modes = 0; 61295d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar 61305d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar if (priv->ap_macids_supported || priv->device_info->fw_image_ap) { 61313cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP); 61322acdaa7a578cf43566950a6cfb70848ff6607553Yogesh Ashok Powar hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_STATION); 61335d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar hw->wiphy->iface_combinations = &ap_if_comb; 61345d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar hw->wiphy->n_iface_combinations = 1; 61355d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar } 61365d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar 61373cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->sta_macids_supported || priv->device_info->fw_image_sta) 61383cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_STATION); 61393cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 61403cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = ieee80211_register_hw(hw); 61413cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) { 61423cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo wiphy_err(hw->wiphy, "Cannot register device\n"); 61433cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_unprobe_hw; 61443cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 61453cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 61463cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return 0; 61473cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 61483cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnoloerr_unprobe_hw: 6149e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 61503cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_txq_deinit(hw, i); 61513cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_rxq_deinit(hw, 0); 61523cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 6153be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhekerr_free_cookie: 6154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->cookie != NULL) 6155a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 4, 6156a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->cookie, priv->cookie_dma); 6157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 61583cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 61593cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo} 61608dee5eef2ab313e519e6ce3c3bf9a16cfc6f5907Bill Pembertonstatic int mwl8k_probe(struct pci_dev *pdev, 61613cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo const struct pci_device_id *id) 61623cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo{ 61633cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo static int printed_version; 61643cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct ieee80211_hw *hw; 61653cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct mwl8k_priv *priv; 61660863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo struct mwl8k_device_info *di; 61673cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int rc; 61683cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 61693cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (!printed_version) { 61703cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_INFO "%s version %s\n", MWL8K_DESC, MWL8K_VERSION); 61713cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printed_version = 1; 61723cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 61733cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 61743cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 61753cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = pci_enable_device(pdev); 61763cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) { 61773cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_ERR "%s: Cannot enable new PCI device\n", 61783cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo MWL8K_NAME); 61793cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 61803cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 61813cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 61823cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = pci_request_regions(pdev, MWL8K_NAME); 61833cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) { 61843cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_ERR "%s: Cannot obtain PCI resources\n", 61853cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo MWL8K_NAME); 61863cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_disable_device; 61873cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 61883cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 61893cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo pci_set_master(pdev); 61903cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 61913cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 61923cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw = ieee80211_alloc_hw(sizeof(*priv), &mwl8k_ops); 61933cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (hw == NULL) { 61943cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_ERR "%s: ieee80211 alloc failed\n", MWL8K_NAME); 61953cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = -ENOMEM; 61963cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_free_reg; 61973cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 61983cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 61993cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo SET_IEEE80211_DEV(hw, &pdev->dev); 62003cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo pci_set_drvdata(pdev, hw); 62013cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 62023cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv = hw->priv; 62033cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->hw = hw; 62043cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->pdev = pdev; 62053cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->device_info = &mwl8k_info_tbl[id->driver_data]; 62063cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 620798929824eec490984e42ac9dc3b96f7f12033996Nishant Sarmukadam if (id->driver_data == MWL8764) 620898929824eec490984e42ac9dc3b96f7f12033996Nishant Sarmukadam priv->is_8764 = true; 62093cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 62103cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->sram = pci_iomap(pdev, 0, 0x10000); 62113cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->sram == NULL) { 62123cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo wiphy_err(hw->wiphy, "Cannot map device SRAM\n"); 6213a2ca8ecb8ffc985e82c9570c3837408f7efe8c9dAlexey Khoroshilov rc = -EIO; 62143cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_iounmap; 62153cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 62163cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 62173cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* 62183cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * If BAR0 is a 32 bit BAR, the register BAR will be BAR1. 62193cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * If BAR0 is a 64 bit BAR, the register BAR will be BAR2. 62203cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo */ 62213cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->regs = pci_iomap(pdev, 1, 0x10000); 62223cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->regs == NULL) { 62233cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->regs = pci_iomap(pdev, 2, 0x10000); 62243cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->regs == NULL) { 62253cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo wiphy_err(hw->wiphy, "Cannot map device registers\n"); 6226a2ca8ecb8ffc985e82c9570c3837408f7efe8c9dAlexey Khoroshilov rc = -EIO; 62273cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_iounmap; 62283cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 62293cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 62303cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 62310863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo /* 623299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * Choose the initial fw image depending on user input. If a second 623399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * image is available, make it the alternative image that will be 623499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * loaded if the first one fails. 62350863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo */ 623699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo init_completion(&priv->firmware_loading_complete); 62370863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo di = priv->device_info; 623899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (ap_mode_default && di->fw_image_ap) { 623999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref = di->fw_image_ap; 624099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_alt = di->fw_image_sta; 624199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else if (!ap_mode_default && di->fw_image_sta) { 624299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref = di->fw_image_sta; 624399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_alt = di->fw_image_ap; 624499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else if (ap_mode_default && !di->fw_image_ap && di->fw_image_sta) { 62450863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo printk(KERN_WARNING "AP fw is unavailable. Using STA fw."); 624699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref = di->fw_image_sta; 62470863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo } else if (!ap_mode_default && !di->fw_image_sta && di->fw_image_ap) { 62480863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo printk(KERN_WARNING "STA fw is unavailable. Using AP fw."); 624999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref = di->fw_image_ap; 625099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 625199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_init_firmware(hw, priv->fw_pref, true); 62523cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 62533cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_stop_firmware; 62546b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 62556b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hw_restart_in_progress = false; 62566b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 6257e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar priv->running_bsses = 0; 6258e882efc96dba0a48adbe460b04d552d9a749a7c0Yogesh Ashok Powar 625999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return rc; 62603cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 6261be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhekerr_stop_firmware: 6262be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek mwl8k_hw_reset(priv); 6263be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 6264be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhekerr_iounmap: 6265a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->regs != NULL) 6266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_iounmap(pdev, priv->regs); 6267a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 62685b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek if (priv->sram != NULL) 62695b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek pci_iounmap(pdev, priv->sram); 62705b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek 6271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_free_hw(hw); 6272a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 6273a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_reg: 6274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_release_regions(pdev); 62753db95e50c8813d8ed04a1ec7cd7b77dba7c81c80Lennert Buytenhek 62763db95e50c8813d8ed04a1ec7cd7b77dba7c81c80Lennert Buytenhekerr_disable_device: 6277a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_disable_device(pdev); 6278a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 6279a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 6280a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 6281a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 62828dee5eef2ab313e519e6ce3c3bf9a16cfc6f5907Bill Pembertonstatic void mwl8k_remove(struct pci_dev *pdev) 6283a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 6284a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = pci_get_drvdata(pdev); 6285a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 6286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 6287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 6288a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hw == NULL) 6289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 6290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv = hw->priv; 6291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 629299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo wait_for_completion(&priv->firmware_loading_complete); 629399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 629499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (priv->fw_state == FW_STATE_ERROR) { 629599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo mwl8k_hw_reset(priv); 629699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto unmap; 629799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 629899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 6299a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queues(hw); 6300a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 630160aa569f9212a13382c29cc734f275dec0f55e0bLennert Buytenhek ieee80211_unregister_hw(hw); 630260aa569f9212a13382c29cc734f275dec0f55e0bLennert Buytenhek 630367e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek /* Remove TX reclaim and RX tasklets. */ 63041e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_kill(&priv->poll_tx_task); 630567e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_kill(&priv->poll_rx_task); 6306a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 6307a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop hardware */ 6308a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_hw_reset(priv); 6309a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 6310a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Return all skbs to mac80211 */ 6311e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 6312efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek mwl8k_txq_reclaim(hw, i, INT_MAX, 1); 6313a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 6314e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 6315a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_deinit(hw, i); 6316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 6317a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_rxq_deinit(hw, 0); 6318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 6319c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek pci_free_consistent(priv->pdev, 4, priv->cookie, priv->cookie_dma); 6320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 632199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolounmap: 6322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_iounmap(pdev, priv->regs); 63235b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek pci_iounmap(pdev, priv->sram); 6324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_free_hw(hw); 6325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_release_regions(pdev); 6326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_disable_device(pdev); 6327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 6328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 6329a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic struct pci_driver mwl8k_driver = { 6330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .name = MWL8K_NAME, 633145a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek .id_table = mwl8k_pci_id_table, 6332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .probe = mwl8k_probe, 63338dee5eef2ab313e519e6ce3c3bf9a16cfc6f5907Bill Pemberton .remove = mwl8k_remove, 6334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 6335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 63365b0a3b7eb37730c369cc47783549dcf6f54a1cd0Axel Linmodule_pci_driver(mwl8k_driver); 6337c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek 6338c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_DESCRIPTION(MWL8K_DESC); 6339c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_VERSION(MWL8K_VERSION); 6340c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_AUTHOR("Lennert Buytenhek <buytenh@marvell.com>"); 6341c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_LICENSE("GPL"); 6342