mwl8k.c revision cfacba12f573abd04a202e3e86c09f246339071f
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 12a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/init.h> 13a6b7a407865aab9f849dd99a71072b7cd1175116Alexey Dobriyan#include <linux/interrupt.h> 14a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/module.h> 15a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/kernel.h> 163d76e82c9538d8104e578ca460d35f214bfddfd3Lennert Buytenhek#include <linux/sched.h> 17a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/spinlock.h> 18a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/list.h> 19a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/pci.h> 20a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/delay.h> 21a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/completion.h> 22a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/etherdevice.h> 235a0e3ad6af8660be21ca98a971cd00f331318c05Tejun Heo#include <linux/slab.h> 24a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <net/mac80211.h> 25a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/moduleparam.h> 26a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/firmware.h> 27a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/workqueue.h> 28a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 29a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_DESC "Marvell TOPDOG(R) 802.11 Wireless Network Driver" 30a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_NAME KBUILD_MODNAME 3100e8e69270cc8d5b9db98dcb73d26f21c2539010Yogesh Ashok Powar#define MWL8K_VERSION "0.13" 32a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 330863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo/* Module parameters */ 34eb93992207dadb946a3b5cf4544957dc924a6f58Rusty Russellstatic bool ap_mode_default; 350863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolomodule_param(ap_mode_default, bool, 0); 360863ade8d6bde1d151f75720d999ff27f9fe3533Brian CavagnoloMODULE_PARM_DESC(ap_mode_default, 370863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo "Set to 1 to make ap mode the default instead of sta mode"); 380863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo 39a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Register definitions */ 40a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_GEN_PTR 0x00000c10 41ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_MODE_STA 0x0000005a 42ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_MODE_AP 0x000000a5 43a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_INT_CODE 0x00000c14 44ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_FWSTA_READY 0xf0f1f2f4 45ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_FWAP_READY 0xf1f2f4a5 46ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_INT_CODE_CMD_FINISHED 0x00000005 47a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_SCRATCH 0x00000c40 48a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 49a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Host->device communications */ 50a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_EVENTS 0x00000c18 51a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_STATUS 0x00000c1c 52a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_MASK 0x00000c20 53a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_CLEAR_SEL 0x00000c24 54a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_STATUS_MASK 0x00000c28 55ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_DUMMY (1 << 20) 56ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_RESET (1 << 15) 57ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_DOORBELL (1 << 1) 58ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_PPA_READY (1 << 0) 59a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 60a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Device->host communications */ 61a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_EVENTS 0x00000c2c 62a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_STATUS 0x00000c30 63a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_MASK 0x00000c34 64a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL 0x00000c38 65a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK 0x00000c3c 66ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_DUMMY (1 << 20) 673aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam#define MWL8K_A2H_INT_BA_WATCHDOG (1 << 14) 68ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_CHNL_SWITCHED (1 << 11) 69ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_QUEUE_EMPTY (1 << 10) 70ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RADAR_DETECT (1 << 7) 71ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RADIO_ON (1 << 6) 72ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RADIO_OFF (1 << 5) 73ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_MAC_EVENT (1 << 3) 74ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_OPC_DONE (1 << 2) 75ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RX_READY (1 << 1) 76ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_TX_DONE (1 << 0) 77a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 78566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat/* HW micro second timer register 79566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat * located at offset 0xA600. This 80566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat * will be used to timestamp tx 81566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat * packets. 82566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat */ 83566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat 84566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat#define MWL8K_HW_TIMER_REGISTER 0x0000a600 85566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat 86a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_A2H_EVENTS (MWL8K_A2H_INT_DUMMY | \ 87a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_CHNL_SWITCHED | \ 88a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_QUEUE_EMPTY | \ 89a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADAR_DETECT | \ 90a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADIO_ON | \ 91a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADIO_OFF | \ 92a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_MAC_EVENT | \ 93a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_OPC_DONE | \ 94a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RX_READY | \ 953aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam MWL8K_A2H_INT_TX_DONE | \ 963aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam MWL8K_A2H_INT_BA_WATCHDOG) 97a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 98a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_QUEUES 1 99e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo#define MWL8K_TX_WMM_QUEUES 4 1008a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo#define MWL8K_MAX_AMPDU_QUEUES 8 101e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo#define MWL8K_MAX_TX_QUEUES (MWL8K_TX_WMM_QUEUES + MWL8K_MAX_AMPDU_QUEUES) 102e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo#define mwl8k_tx_queues(priv) (MWL8K_TX_WMM_QUEUES + (priv)->num_ampdu_queues) 103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1047fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar/* txpriorities are mapped with hw queues. 1057fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar * Each hw queue has a txpriority. 1067fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar */ 1077fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar#define TOTAL_HW_TX_QUEUES 8 1087fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar 1097fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar/* Each HW queue can have one AMPDU stream. 1107fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar * But, because one of the hw queue is reserved, 1117fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar * maximum AMPDU queues that can be created are 1127fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar * one short of total tx queues. 1137fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar */ 1147fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar#define MWL8K_NUM_AMPDU_STREAMS (TOTAL_HW_TX_QUEUES - 1) 1157fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar 11654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhekstruct rxd_ops { 11754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek int rxd_size; 11854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void (*rxd_init)(void *rxd, dma_addr_t next_dma_addr); 11954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void (*rxd_refill)(void *rxd, dma_addr_t addr, int len); 12020f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek int (*rxd_process)(void *rxd, struct ieee80211_rx_status *status, 1210d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville __le16 *qos, s8 *noise); 12254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek}; 12354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 12445a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhekstruct mwl8k_device_info { 125a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek char *part_name; 126a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek char *helper_image; 1270863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo char *fw_image_sta; 1280863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo char *fw_image_ap; 12989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct rxd_ops *ap_rxd_ops; 130952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo u32 fw_api_ap; 13145a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek}; 13245a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_rx_queue { 13445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int rxd_count; 135a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 136a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* hw receives here */ 13745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int head; 138a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 139a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* refill descs here */ 14045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int tail; 141a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 14254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 14345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek dma_addr_t rxd_dma; 144788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek struct { 145788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek struct sk_buff *skb; 14653b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori DEFINE_DMA_UNMAP_ADDR(dma); 147788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek } *buf; 148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 149a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 150a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_tx_queue { 151a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* hw transmits here */ 15245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int head; 153a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* sw appends here */ 15545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int tail; 156a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1578ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo unsigned int len; 15845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek struct mwl8k_tx_desc *txd; 15945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek dma_addr_t txd_dma; 16045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek struct sk_buff **skb; 161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 162a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 163ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnoloenum { 164ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo AMPDU_NO_STREAM, 165ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo AMPDU_STREAM_NEW, 166ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo AMPDU_STREAM_IN_PROGRESS, 167ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo AMPDU_STREAM_ACTIVE, 168ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo}; 169ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1705faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstruct mwl8k_ampdu_stream { 1715faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct ieee80211_sta *sta; 1725faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 tid; 1735faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 state; 1745faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 idx; 1755faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam}; 1765faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 177a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_priv { 178a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw; 179a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct pci_dev *pdev; 180bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo int irq; 181a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 18245a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek struct mwl8k_device_info *device_info; 18345a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 184be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek void __iomem *sram; 185be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek void __iomem *regs; 186be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 187be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* firmware */ 188d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo const struct firmware *fw_helper; 189d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo const struct firmware *fw_ucode; 190a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 191be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* hardware/firmware parameters */ 192be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek bool ap_fw; 193be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek struct rxd_ops *rxd_ops; 194777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek struct ieee80211_supported_band band_24; 195777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek struct ieee80211_channel channels_24[14]; 196777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek struct ieee80211_rate rates_24[14]; 1974eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek struct ieee80211_supported_band band_50; 1984eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek struct ieee80211_channel channels_50[4]; 1994eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek struct ieee80211_rate rates_50[9]; 200ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek u32 ap_macids_supported; 201ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek u32 sta_macids_supported; 202be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 2038a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo /* Ampdu stream information */ 2048a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo u8 num_ampdu_queues; 205ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo spinlock_t stream_lock; 206ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo struct mwl8k_ampdu_stream ampdu[MWL8K_MAX_AMPDU_QUEUES]; 2073aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam struct work_struct watchdog_ba_handle; 2088a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo 209618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek /* firmware access */ 210618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mutex fw_mutex; 211618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct task_struct *fw_mutex_owner; 2126b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar struct task_struct *hw_restart_owner; 213618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek int fw_mutex_depth; 214618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct completion *hostcmd_wait; 215618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* lock held over TX and TX reap */ 217a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spinlock_t tx_lock; 218a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 21988de754ad59025eba797e7a8375807755577f450Lennert Buytenhek /* TX quiesce completion, protected by fw_mutex and tx_lock */ 22088de754ad59025eba797e7a8375807755577f450Lennert Buytenhek struct completion *tx_wait; 22188de754ad59025eba797e7a8375807755577f450Lennert Buytenhek 222f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek /* List of interfaces. */ 223ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek u32 macids_used; 224f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct list_head vif_list; 225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* power management status cookie from firmware */ 227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 *cookie; 228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t cookie_dma; 229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 num_mcaddrs; 231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 hw_rev; 2322aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek u32 fw_rev; 233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Running count of TX packets in flight, to avoid 236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * iterating over the transmit rings each time. 237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int pending_tx_pkts; 239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue rxq[MWL8K_RX_QUEUES]; 241e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo struct mwl8k_tx_queue txq[MWL8K_MAX_TX_QUEUES]; 242e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo u32 txq_offset[MWL8K_MAX_TX_QUEUES]; 243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 244c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek bool radio_on; 24568ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek bool radio_short_preamble; 246a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek bool sniffer_enabled; 2470439b1f55646ea944b0d58337f5065b79a1c1be0Lennert Buytenhek bool wmm_enabled; 248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* XXX need to convert this to handle multiple interfaces */ 250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek bool capture_beacon; 251d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek u8 capture_bssid[ETH_ALEN]; 252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *beacon_skb; 253a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This FJ worker has to be global as it is scheduled from the 256a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * RX handler. At this point we don't know which interface it 257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * belongs to until the list of bssids waiting to complete join 258a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * is checked. 259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct work_struct finalize_join_worker; 261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2621e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek /* Tasklet to perform TX reclaim. */ 2631e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek struct tasklet_struct poll_tx_task; 26467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 26567e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek /* Tasklet to perform RX. */ 26667e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek struct tasklet_struct poll_rx_task; 2670d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 2680d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville /* Most recently reported noise in dBm */ 2690d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville s8 noise; 2700863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo 2710863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo /* 2720863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo * preserve the queue configurations so they can be restored if/when 2730863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo * the firmware image is swapped. 2740863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo */ 275e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo struct ieee80211_tx_queue_params wmm_params[MWL8K_TX_WMM_QUEUES]; 27699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 2776b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* To perform the task of reloading the firmware */ 2786b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar struct work_struct fw_reload; 2796b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar bool hw_restart_in_progress; 2806b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 28199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo /* async firmware loading state */ 28299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo unsigned fw_state; 28399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo char *fw_pref; 28499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo char *fw_alt; 28599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo struct completion firmware_loading_complete; 286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 288e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam#define MAX_WEP_KEY_LEN 13 289e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam#define NUM_WEP_KEYS 4 290e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Per interface specific private data */ 292a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_vif { 293f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct list_head list; 294f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct ieee80211_vif *vif; 295f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek 296f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek /* Firmware macid for this vif. */ 297f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek int macid; 298f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek 299c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek /* Non AMPDU sequence number assigned by driver. */ 300a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek u16 seqno; 301e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 302e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam /* Saved WEP keys */ 303e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam struct { 304e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam u8 enabled; 305e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam u8 key[sizeof(struct ieee80211_key_conf) + MAX_WEP_KEY_LEN]; 306e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam } wep_key_conf[NUM_WEP_KEYS]; 307d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 308d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam /* BSSID */ 309d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam u8 bssid[ETH_ALEN]; 310d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 311d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam /* A flag to indicate is HW crypto is enabled for this bssid */ 312d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam bool is_hw_crypto_enabled; 313a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 314a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek#define MWL8K_VIF(_vif) ((struct mwl8k_vif *)&((_vif)->drv_priv)) 315fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define IEEE80211_KEY_CONF(_u8) ((struct ieee80211_key_conf *)(_u8)) 316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 317d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolostruct tx_traffic_info { 318d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo u32 start_time; 319d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo u32 pkts; 320d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo}; 321d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 322d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo#define MWL8K_MAX_TID 8 323a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhekstruct mwl8k_sta { 324a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek /* Index into station database. Returned by UPDATE_STADB. */ 325a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek u8 peer_id; 326170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam u8 is_ampdu_allowed; 327d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct tx_traffic_info tx_stats[MWL8K_MAX_TID]; 328a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek}; 329a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_STA(_sta) ((struct mwl8k_sta *)&((_sta)->drv_priv)) 330a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 331777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhekstatic const struct ieee80211_channel mwl8k_channels_24[] = { 332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2412, .hw_value = 1, }, 333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2417, .hw_value = 2, }, 334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2422, .hw_value = 3, }, 335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2427, .hw_value = 4, }, 336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2432, .hw_value = 5, }, 337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2437, .hw_value = 6, }, 338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2442, .hw_value = 7, }, 339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2447, .hw_value = 8, }, 340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2452, .hw_value = 9, }, 341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2457, .hw_value = 10, }, 342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2462, .hw_value = 11, }, 343647ca6b01a5289948e970ea7c1f656f9d90b0a27Lennert Buytenhek { .center_freq = 2467, .hw_value = 12, }, 344647ca6b01a5289948e970ea7c1f656f9d90b0a27Lennert Buytenhek { .center_freq = 2472, .hw_value = 13, }, 345647ca6b01a5289948e970ea7c1f656f9d90b0a27Lennert Buytenhek { .center_freq = 2484, .hw_value = 14, }, 346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 347a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 348777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhekstatic const struct ieee80211_rate mwl8k_rates_24[] = { 349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 10, .hw_value = 2, }, 350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 20, .hw_value = 4, }, 351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 55, .hw_value = 11, }, 3525dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek { .bitrate = 110, .hw_value = 22, }, 3535dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek { .bitrate = 220, .hw_value = 44, }, 354a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 60, .hw_value = 12, }, 355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 90, .hw_value = 18, }, 356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 120, .hw_value = 24, }, 357a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 180, .hw_value = 36, }, 358a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 240, .hw_value = 48, }, 359a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 360, .hw_value = 72, }, 360a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 480, .hw_value = 96, }, 361a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 540, .hw_value = 108, }, 362140eb5e2c1978622d7cd979d59a1c0586fe3bbdbLennert Buytenhek { .bitrate = 720, .hw_value = 144, }, 363140eb5e2c1978622d7cd979d59a1c0586fe3bbdbLennert Buytenhek}; 364140eb5e2c1978622d7cd979d59a1c0586fe3bbdbLennert Buytenhek 3654eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhekstatic const struct ieee80211_channel mwl8k_channels_50[] = { 3664eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .center_freq = 5180, .hw_value = 36, }, 3674eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .center_freq = 5200, .hw_value = 40, }, 3684eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .center_freq = 5220, .hw_value = 44, }, 3694eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .center_freq = 5240, .hw_value = 48, }, 3704eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek}; 3714eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 3724eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhekstatic const struct ieee80211_rate mwl8k_rates_50[] = { 3734eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 60, .hw_value = 12, }, 3744eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 90, .hw_value = 18, }, 3754eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 120, .hw_value = 24, }, 3764eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 180, .hw_value = 36, }, 3774eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 240, .hw_value = 48, }, 3784eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 360, .hw_value = 72, }, 3794eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 480, .hw_value = 96, }, 3804eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 540, .hw_value = 108, }, 3814eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 720, .hw_value = 144, }, 3824eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek}; 3834eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Set or get info from Firmware */ 385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET 0x0000 38641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_CMD_SET 0x0001 38741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_CMD_SET_LIST 0x0002 388a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 389a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Firmware command codes */ 390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_CODE_DNLD 0x0001 391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET_HW_SPEC 0x0003 39242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek#define MWL8K_CMD_SET_HW_SPEC 0x0004 393a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_MAC_MULTICAST_ADR 0x0010 394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET_STAT 0x0014 395ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RADIO_CONTROL 0x001c 396ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RF_TX_POWER 0x001e 39741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_CMD_TX_POWER 0x001f 39808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek#define MWL8K_CMD_RF_ANTENNA 0x0020 399aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek#define MWL8K_CMD_SET_BEACON 0x0100 /* per-vif */ 400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_PRE_SCAN 0x0107 401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_POST_SCAN 0x0108 402ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_RF_CHANNEL 0x010a 403ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_AID 0x010d 404ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_RATE 0x0110 405ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_FINALIZE_JOIN 0x0111 406ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RTS_THRESHOLD 0x0113 407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_SLOT 0x0114 408ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_EDCA_PARAMS 0x0115 409ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_WMM_MODE 0x0123 410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_MIMO_CONFIG 0x0125 411ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_USE_FIXED_RATE 0x0126 412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_ENABLE_SNIFFER 0x0150 413aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek#define MWL8K_CMD_SET_MAC_ADDR 0x0202 /* per-vif */ 414a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_RATEADAPT_MODE 0x0203 4153aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam#define MWL8K_CMD_GET_WATCHDOG_BITMAP 0x0205 416197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar#define MWL8K_CMD_DEL_MAC_ADDR 0x0206 /* per-vif */ 417aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek#define MWL8K_CMD_BSS_START 0x1100 /* per-vif */ 418aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek#define MWL8K_CMD_SET_NEW_STN 0x1111 /* per-vif */ 419fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_CMD_UPDATE_ENCRYPTION 0x1122 /* per-vif */ 420ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_UPDATE_STADB 0x1123 4215faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam#define MWL8K_CMD_BASTREAM 0x1125 422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 423b603742f49c3ec922522602e18ac22e8f6835132John W. Linvillestatic const char *mwl8k_cmd_name(__le16 cmd, char *buf, int bufsize) 424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 425b603742f49c3ec922522602e18ac22e8f6835132John W. Linville u16 command = le16_to_cpu(cmd); 426b603742f49c3ec922522602e18ac22e8f6835132John W. Linville 427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMDNAME(x) case MWL8K_CMD_##x: do {\ 428a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(buf, bufsize, "%s", #x);\ 429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return buf;\ 430a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (0) 431b603742f49c3ec922522602e18ac22e8f6835132John W. Linville switch (command & ~0x8000) { 432a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(CODE_DNLD); 433a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(GET_HW_SPEC); 43442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek MWL8K_CMDNAME(SET_HW_SPEC); 435a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(MAC_MULTICAST_ADR); 436a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(GET_STAT); 437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(RADIO_CONTROL); 438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(RF_TX_POWER); 43941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam MWL8K_CMDNAME(TX_POWER); 44008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek MWL8K_CMDNAME(RF_ANTENNA); 441b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek MWL8K_CMDNAME(SET_BEACON); 442a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_PRE_SCAN); 443a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_POST_SCAN); 444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_RF_CHANNEL); 445ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_AID); 446ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_RATE); 447ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_FINALIZE_JOIN); 448ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(RTS_THRESHOLD); 449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_SLOT); 450ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_EDCA_PARAMS); 451ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_WMM_MODE); 452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(MIMO_CONFIG); 453ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(USE_FIXED_RATE); 454a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(ENABLE_SNIFFER); 45532060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek MWL8K_CMDNAME(SET_MAC_ADDR); 456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_RATEADAPT_MODE); 457b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek MWL8K_CMDNAME(BSS_START); 4583f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek MWL8K_CMDNAME(SET_NEW_STN); 459fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_CMDNAME(UPDATE_ENCRYPTION); 460ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(UPDATE_STADB); 4615faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_CMDNAME(BASTREAM); 4623aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam MWL8K_CMDNAME(GET_WATCHDOG_BITMAP); 463a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek default: 464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(buf, bufsize, "0x%x", cmd); 465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#undef MWL8K_CMDNAME 467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return buf; 469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 471a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Hardware and firmware reset */ 472a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_hw_reset(struct mwl8k_priv *priv) 473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 474a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_RESET, 475a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_RESET, 477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msleep(20); 479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Release fw image */ 482d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolostatic void mwl8k_release_fw(const struct firmware **fw) 483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (*fw == NULL) 485a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek release_firmware(*fw); 487a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek *fw = NULL; 488a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 489a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_release_firmware(struct mwl8k_priv *priv) 491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 49222be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek mwl8k_release_fw(&priv->fw_ucode); 49322be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek mwl8k_release_fw(&priv->fw_helper); 494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 49699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo/* states for asynchronous f/w loading */ 49799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic void mwl8k_fw_state_machine(const struct firmware *fw, void *context); 49899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnoloenum { 49999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo FW_STATE_INIT = 0, 50099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo FW_STATE_LOADING_PREF, 50199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo FW_STATE_LOADING_ALT, 50299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo FW_STATE_ERROR, 50399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo}; 50499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Request fw image */ 506a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_request_fw(struct mwl8k_priv *priv, 507d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo const char *fname, const struct firmware **fw, 50899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo bool nowait) 509a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* release current image */ 511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (*fw != NULL) 512a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_fw(fw); 513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 51499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (nowait) 51599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return request_firmware_nowait(THIS_MODULE, 1, fname, 51699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->pdev->dev, GFP_KERNEL, 51799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv, mwl8k_fw_state_machine); 51899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 519d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo return request_firmware(fw, fname, &priv->pdev->dev); 520a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 521a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 52299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic int mwl8k_request_firmware(struct mwl8k_priv *priv, char *fw_image, 52399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo bool nowait) 524a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 525a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek struct mwl8k_device_info *di = priv->device_info; 526a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 527a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 528a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek if (di->helper_image != NULL) { 52999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (nowait) 53099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, di->helper_image, 53199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->fw_helper, true); 53299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 53399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, di->helper_image, 53499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->fw_helper, false); 53599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 53699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting helper fw %s\n", 53799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo pci_name(priv->pdev), di->helper_image); 53899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 53999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc || nowait) 540a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek return rc; 541a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 542a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 54399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (nowait) { 54499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo /* 54599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * if we get here, no helper image is needed. Skip the 54699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * FW_STATE_INIT state. 54799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo */ 54899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_LOADING_PREF; 54999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, fw_image, 55099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->fw_ucode, 55199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo true); 55299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else 55399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, fw_image, 55499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->fw_ucode, false); 555a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 556c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Error requesting firmware file %s\n", 5570863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo pci_name(priv->pdev), fw_image); 55822be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek mwl8k_release_fw(&priv->fw_helper); 559a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 560a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 561a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 562a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 563a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 564a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 565a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_pkt { 566a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 code; 567a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 length; 568f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek __u8 seq_num; 569f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek __u8 macid; 570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 result; 571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek char payload[0]; 572ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 573a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 574a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 575a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Firmware loading. 576a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 578a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_send_fw_load_cmd(struct mwl8k_priv *priv, void *data, int length) 579a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 580a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs = priv->regs; 581a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma_addr; 582a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int loops; 583a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 584a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr = pci_map_single(priv->pdev, data, length, PCI_DMA_TODEVICE); 585a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma_addr)) 586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 587a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 588a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR); 589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, regs + MWL8K_HIU_INT_CODE); 590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DOORBELL, 591a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 592a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek loops = 1000; 596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 597a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 int_code; 598a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 599a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int_code = ioread32(regs + MWL8K_HIU_INT_CODE); 600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (int_code == MWL8K_INT_CODE_CMD_FINISHED) { 601a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, regs + MWL8K_HIU_INT_CODE); 602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 6053d76e82c9538d8104e578ca460d35f214bfddfd3Lennert Buytenhek cond_resched(); 606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 607a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (--loops); 608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, length, PCI_DMA_TODEVICE); 610a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 611d4b7057052236e81ab0788cc8df306dc02b0e7beLennert Buytenhek return loops ? 0 : -ETIMEDOUT; 612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 613a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_load_fw_image(struct mwl8k_priv *priv, 615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *data, size_t length) 616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt *cmd; 618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int done; 619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc = 0; 620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 621a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kmalloc(sizeof(*cmd) + 256, GFP_KERNEL); 622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 623a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 624a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->code = cpu_to_le16(MWL8K_CMD_CODE_DNLD); 626a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->seq_num = 0; 627f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek cmd->macid = 0; 628a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->result = 0; 629a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 630a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done = 0; 631a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (length) { 632a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int block_size = length > 256 ? 256 : length; 633a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(cmd->payload, data + done, block_size); 635a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->length = cpu_to_le16(block_size); 636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 637a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, cmd, 638a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(*cmd) + block_size); 639a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 641a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 642a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done += block_size; 643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek length -= block_size; 644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 645a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->length = 0; 648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, cmd, sizeof(*cmd)); 649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_feed_fw_image(struct mwl8k_priv *priv, 657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *data, size_t length) 658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned char *buffer; 660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int may_continue, rc = 0; 661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 done, prev_block_size; 662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek buffer = kmalloc(1024, GFP_KERNEL); 664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (buffer == NULL) 665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done = 0; 668a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prev_block_size = 0; 669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue = 1000; 670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (may_continue > 0) { 671a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 block_size; 672a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 673a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek block_size = ioread32(priv->regs + MWL8K_HIU_SCRATCH); 674a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size & 1) { 675a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek block_size &= ~1; 676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue--; 677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 678a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done += prev_block_size; 679a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek length -= prev_block_size; 680a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 681a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size > 1024 || block_size > length) { 683a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EOVERFLOW; 684a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 685a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 686a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 687a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (length == 0) { 688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = 0; 689a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 691a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size == 0) { 693a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EPROTO; 694a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue--; 695a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 696a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek continue; 697a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 698a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 699a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prev_block_size = block_size; 700a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(buffer, data + done, block_size); 701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 702a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, buffer, block_size); 703a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 704a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 705a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 707a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc && length != 0) 708a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EREMOTEIO; 709a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 710a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(buffer); 711a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 712a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 713a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 714a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 715c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhekstatic int mwl8k_load_firmware(struct ieee80211_hw *hw) 716a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 717c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 718d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo const struct firmware *fw = priv->fw_ucode; 719c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek int rc; 720c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek int loops; 721c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek 722c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek if (!memcmp(fw->data, "\x01\x00\x00\x00", 4)) { 723d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo const struct firmware *helper = priv->fw_helper; 724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 725c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek if (helper == NULL) { 726c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: helper image needed but none " 727c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "given\n", pci_name(priv->pdev)); 728c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek return -EINVAL; 729c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek } 730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 731c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_load_fw_image(priv, helper->data, helper->size); 732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 733a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: unable to load firmware " 734c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "helper image\n", pci_name(priv->pdev)); 735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 736a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 737ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar msleep(20); 738a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 739c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_feed_fw_image(priv, fw->data, fw->size); 740a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 741c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_load_fw_image(priv, fw->data, fw->size); 742a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 743a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 745c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: unable to load firmware image\n", 746c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek pci_name(priv->pdev)); 747a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 748a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 749a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 75089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek iowrite32(MWL8K_MODE_STA, priv->regs + MWL8K_HIU_GEN_PTR); 751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 75289b872e2e476833cde8aaac658c75817f67e8f81Lennert Buytenhek loops = 500000; 753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 754eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek u32 ready_code; 755eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek 756eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek ready_code = ioread32(priv->regs + MWL8K_HIU_INT_CODE); 757eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek if (ready_code == MWL8K_FWAP_READY) { 7583db1cd5c05f35fb43eb134df6f321de4e63141f2Rusty Russell priv->ap_fw = true; 759eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek break; 760eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek } else if (ready_code == MWL8K_FWSTA_READY) { 7613db1cd5c05f35fb43eb134df6f321de4e63141f2Rusty Russell priv->ap_fw = false; 762a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 763eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek } 764eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek 765eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek cond_resched(); 766a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 767a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (--loops); 768a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 769a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return loops ? 0 : -ETIMEDOUT; 770a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 772a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 773a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* DMA header used by firmware and hardware. */ 774a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_dma_data { 775a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 fwlen; 776a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr wh; 77720f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek char data[0]; 778ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 779a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 780a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Routines to add/remove DMA header from skb. */ 78120f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhekstatic inline void mwl8k_remove_dma_header(struct sk_buff *skb, __le16 qos) 782a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 78320f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek struct mwl8k_dma_data *tr; 78420f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek int hdrlen; 78520f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 78620f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek tr = (struct mwl8k_dma_data *)skb->data; 78720f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek hdrlen = ieee80211_hdrlen(tr->wh.frame_control); 78820f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 78920f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek if (hdrlen != sizeof(tr->wh)) { 79020f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek if (ieee80211_is_data_qos(tr->wh.frame_control)) { 79120f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek memmove(tr->data - hdrlen, &tr->wh, hdrlen - 2); 79220f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek *((__le16 *)(tr->data - 2)) = qos; 79320f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek } else { 79420f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek memmove(tr->data - hdrlen, &tr->wh, hdrlen); 79520f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek } 796a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 79720f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 79820f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek if (hdrlen != sizeof(*tr)) 79920f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek skb_pull(skb, sizeof(*tr) - hdrlen); 800a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 801a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 802ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar#define REDUCED_TX_HEADROOM 8 803ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 804252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadamstatic void 805e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powarmwl8k_add_dma_header(struct mwl8k_priv *priv, struct sk_buff *skb, 806e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar int head_pad, int tail_pad) 807a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 808a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 809ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek int hdrlen; 810252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam int reqd_hdrlen; 811a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_dma_data *tr; 812a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 813ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek /* 814ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * Add a firmware DMA header; the firmware requires that we 815ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * present a 2-byte payload length followed by a 4-address 816ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * header (without QoS field), followed (optionally) by any 817ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * WEP/ExtIV header (but only filled in for CCMP). 818ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek */ 819a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 820ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek 821a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hdrlen = ieee80211_hdrlen(wh->frame_control); 822ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 823ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar /* 824ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar * Check if skb_resize is required because of 825ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar * tx_headroom adjustment. 826ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar */ 827ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar if (priv->ap_fw && (hdrlen < (sizeof(struct ieee80211_cts) 828ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar + REDUCED_TX_HEADROOM))) { 829ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar if (pskb_expand_head(skb, REDUCED_TX_HEADROOM, 0, GFP_ATOMIC)) { 830ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 831ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar wiphy_err(priv->hw->wiphy, 832ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar "Failed to reallocate TX buffer\n"); 833ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar return; 834ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar } 835ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar skb->truesize += REDUCED_TX_HEADROOM; 836ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar } 837ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 838e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar reqd_hdrlen = sizeof(*tr) + head_pad; 839252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam 840252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam if (hdrlen != reqd_hdrlen) 841252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam skb_push(skb, reqd_hdrlen - hdrlen); 842a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 843ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek if (ieee80211_is_data_qos(wh->frame_control)) 844252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam hdrlen -= IEEE80211_QOS_CTL_LEN; 845a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 846a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tr = (struct mwl8k_dma_data *)skb->data; 847a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (wh != &tr->wh) 848a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memmove(&tr->wh, wh, hdrlen); 849ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek if (hdrlen != sizeof(tr->wh)) 850ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek memset(((void *)&tr->wh) + hdrlen, 0, sizeof(tr->wh) - hdrlen); 851a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 852a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 853a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Firmware length is the length of the fully formed "802.11 854a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * payload". That is, everything except for the 802.11 header. 855a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This includes all crypto material including the MIC. 856a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 857252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam tr->fwlen = cpu_to_le16(skb->len - sizeof(*tr) + tail_pad); 858a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 859a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 860ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powarstatic void mwl8k_encapsulate_tx_frame(struct mwl8k_priv *priv, 861ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar struct sk_buff *skb) 862e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam{ 863e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam struct ieee80211_hdr *wh; 864e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam struct ieee80211_tx_info *tx_info; 865e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam struct ieee80211_key_conf *key_conf; 866e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam int data_pad; 867e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar int head_pad = 0; 868e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 869e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam wh = (struct ieee80211_hdr *)skb->data; 870e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 871e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam tx_info = IEEE80211_SKB_CB(skb); 872e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 873e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam key_conf = NULL; 874e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam if (ieee80211_is_data(wh->frame_control)) 875e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam key_conf = tx_info->control.hw_key; 876e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 877e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam /* 878e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * Make sure the packet header is in the DMA header format (4-address 879e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar * without QoS), and add head & tail padding when HW crypto is enabled. 880e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * 881e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * We have the following trailer padding requirements: 882e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * - WEP: 4 trailer bytes (ICV) 883e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * - TKIP: 12 trailer bytes (8 MIC + 4 ICV) 884e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * - CCMP: 8 trailer bytes (MIC) 885e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam */ 886e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam data_pad = 0; 887e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam if (key_conf != NULL) { 888e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar head_pad = key_conf->iv_len; 889e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam switch (key_conf->cipher) { 890e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam case WLAN_CIPHER_SUITE_WEP40: 891e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam case WLAN_CIPHER_SUITE_WEP104: 892e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam data_pad = 4; 893e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam break; 894e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam case WLAN_CIPHER_SUITE_TKIP: 895e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam data_pad = 12; 896e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam break; 897e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam case WLAN_CIPHER_SUITE_CCMP: 898e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam data_pad = 8; 899e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam break; 900e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam } 901e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam } 902e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar mwl8k_add_dma_header(priv, skb, head_pad, data_pad); 903e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam} 904a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 905a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 90689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek * Packet reception for 88w8366 AP firmware. 9076f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek */ 90889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstruct mwl8k_rxd_8366_ap { 9096f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le16 pkt_len; 9106f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 sq2; 9116f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rate; 9126f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 pkt_phys_addr; 9136f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 next_rxd_phys_addr; 9146f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le16 qos_control; 9156f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le16 htsig2; 9166f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 hw_rssi_info; 9176f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 hw_noise_floor_info; 9186f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 noise_floor; 9196f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 pad0[3]; 9206f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rssi; 9216f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rx_status; 9226f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 channel; 9236f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rx_ctrl; 924ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 9256f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 92689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RATE_INFO_MCS_FORMAT 0x80 92789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RATE_INFO_40MHZ 0x40 92889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RATE_INFO_RATEID(x) ((x) & 0x3f) 9298e9f33f0ced82a797d285b233e1c956cbd5c7de3Lennert Buytenhek 93089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RX_CTRL_OWNED_BY_HOST 0x80 9316f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 932d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam/* 8366 AP rx_status bits */ 933d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_8366_AP_RXSTAT_DECRYPT_ERR_MASK 0x80 934d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_8366_AP_RXSTAT_GENERAL_DECRYPT_ERR 0xFF 935d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_8366_AP_RXSTAT_TKIP_DECRYPT_MIC_ERR 0x02 936d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_8366_AP_RXSTAT_WEP_DECRYPT_ICV_ERR 0x04 937d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_8366_AP_RXSTAT_TKIP_DECRYPT_ICV_ERR 0x08 938d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 93989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_8366_ap_init(void *_rxd, dma_addr_t next_dma_addr) 9406f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek{ 94189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_8366_ap *rxd = _rxd; 9426f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9436f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->next_rxd_phys_addr = cpu_to_le32(next_dma_addr); 94489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek rxd->rx_ctrl = MWL8K_8366_AP_RX_CTRL_OWNED_BY_HOST; 9456f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek} 9466f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 94789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_8366_ap_refill(void *_rxd, dma_addr_t addr, int len) 9486f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek{ 94989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_8366_ap *rxd = _rxd; 9506f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9516f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->pkt_len = cpu_to_le16(len); 9526f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->pkt_phys_addr = cpu_to_le32(addr); 9536f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek wmb(); 9546f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->rx_ctrl = 0; 9556f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek} 9566f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9576f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhekstatic int 95889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekmwl8k_rxd_8366_ap_process(void *_rxd, struct ieee80211_rx_status *status, 9590d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville __le16 *qos, s8 *noise) 9606f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek{ 96189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_8366_ap *rxd = _rxd; 9626f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 96389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (!(rxd->rx_ctrl & MWL8K_8366_AP_RX_CTRL_OWNED_BY_HOST)) 9646f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek return -1; 9656f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rmb(); 9666f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9676f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek memset(status, 0, sizeof(*status)); 9686f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9696f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->signal = -rxd->rssi; 9700d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville *noise = -rxd->noise_floor; 9716f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 97289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rxd->rate & MWL8K_8366_AP_RATE_INFO_MCS_FORMAT) { 9736f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->flag |= RX_FLAG_HT; 97489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rxd->rate & MWL8K_8366_AP_RATE_INFO_40MHZ) 9758e9f33f0ced82a797d285b233e1c956cbd5c7de3Lennert Buytenhek status->flag |= RX_FLAG_40MHZ; 97689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek status->rate_idx = MWL8K_8366_AP_RATE_INFO_RATEID(rxd->rate); 9776f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } else { 9786f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek int i; 9796f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 980777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek for (i = 0; i < ARRAY_SIZE(mwl8k_rates_24); i++) { 981777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek if (mwl8k_rates_24[i].hw_value == rxd->rate) { 9826f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->rate_idx = i; 9836f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek break; 9846f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } 9856f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } 9866f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } 9876f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 988854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek if (rxd->channel > 14) { 989854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->band = IEEE80211_BAND_5GHZ; 990854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek if (!(status->flag & RX_FLAG_HT)) 991854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->rate_idx -= 5; 992854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek } else { 993854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->band = IEEE80211_BAND_2GHZ; 994854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek } 99559eb21a6504731fc16db4cf9463065dd61093e08Bruno Randolf status->freq = ieee80211_channel_to_frequency(rxd->channel, 99659eb21a6504731fc16db4cf9463065dd61093e08Bruno Randolf status->band); 9976f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 99820f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek *qos = rxd->qos_control; 99920f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 1000d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if ((rxd->rx_status != MWL8K_8366_AP_RXSTAT_GENERAL_DECRYPT_ERR) && 1001d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam (rxd->rx_status & MWL8K_8366_AP_RXSTAT_DECRYPT_ERR_MASK) && 1002d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam (rxd->rx_status & MWL8K_8366_AP_RXSTAT_TKIP_DECRYPT_MIC_ERR)) 1003d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam status->flag |= RX_FLAG_MMIC_ERROR; 1004d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 10056f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek return le16_to_cpu(rxd->pkt_len); 10066f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek} 10076f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 100889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic struct rxd_ops rxd_8366_ap_ops = { 100989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_size = sizeof(struct mwl8k_rxd_8366_ap), 101089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_init = mwl8k_rxd_8366_ap_init, 101189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_refill = mwl8k_rxd_8366_ap_refill, 101289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_process = mwl8k_rxd_8366_ap_process, 10136f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek}; 10146f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 10156f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek/* 101689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek * Packet reception for STA firmware. 1017a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 101889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstruct mwl8k_rxd_sta { 1019a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pkt_len; 1020a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 link_quality; 1021a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 noise_level; 1022a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pkt_phys_addr; 102345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 next_rxd_phys_addr; 1024a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 qos_control; 1025a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 rate_info; 1026a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pad0[4]; 1027a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rssi; 1028a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 channel; 1029a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pad1; 1030a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_ctrl; 1031a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_status; 1032a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 pad2[2]; 1033ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 1034a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 103589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_SHORTPRE 0x8000 103689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_ANTSELECT(x) (((x) >> 11) & 0x3) 103789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_RATEID(x) (((x) >> 3) & 0x3f) 103889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_40MHZ 0x0004 103989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_SHORTGI 0x0002 104089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_MCS_FORMAT 0x0001 104154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 104289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RX_CTRL_OWNED_BY_HOST 0x02 1043d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_STA_RX_CTRL_DECRYPT_ERROR 0x04 1044d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam/* ICV=0 or MIC=1 */ 1045d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_STA_RX_CTRL_DEC_ERR_TYPE 0x08 1046d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam/* Key is uploaded only in failure case */ 1047d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_STA_RX_CTRL_KEY_INDEX 0x30 104854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 104989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_sta_init(void *_rxd, dma_addr_t next_dma_addr) 105054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek{ 105189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_sta *rxd = _rxd; 105254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 105354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->next_rxd_phys_addr = cpu_to_le32(next_dma_addr); 105489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek rxd->rx_ctrl = MWL8K_STA_RX_CTRL_OWNED_BY_HOST; 105554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek} 105654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 105789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_sta_refill(void *_rxd, dma_addr_t addr, int len) 105854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek{ 105989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_sta *rxd = _rxd; 106054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 106154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->pkt_len = cpu_to_le16(len); 106254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->pkt_phys_addr = cpu_to_le32(addr); 106354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek wmb(); 106454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->rx_ctrl = 0; 106554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek} 106654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 106754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhekstatic int 106889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekmwl8k_rxd_sta_process(void *_rxd, struct ieee80211_rx_status *status, 10690d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville __le16 *qos, s8 *noise) 107054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek{ 107189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_sta *rxd = _rxd; 107254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek u16 rate_info; 107354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 107489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (!(rxd->rx_ctrl & MWL8K_STA_RX_CTRL_OWNED_BY_HOST)) 107554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek return -1; 107654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rmb(); 107754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 107854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rate_info = le16_to_cpu(rxd->rate_info); 107954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 108054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek memset(status, 0, sizeof(*status)); 108154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 108254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->signal = -rxd->rssi; 10830d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville *noise = -rxd->noise_level; 108489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek status->antenna = MWL8K_STA_RATE_INFO_ANTSELECT(rate_info); 108589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek status->rate_idx = MWL8K_STA_RATE_INFO_RATEID(rate_info); 108654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 108789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_SHORTPRE) 108854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_SHORTPRE; 108989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_40MHZ) 109054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_40MHZ; 109189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_SHORTGI) 109254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_SHORT_GI; 109389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_MCS_FORMAT) 109454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_HT; 109554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 1096854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek if (rxd->channel > 14) { 1097854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->band = IEEE80211_BAND_5GHZ; 1098854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek if (!(status->flag & RX_FLAG_HT)) 1099854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->rate_idx -= 5; 1100854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek } else { 1101854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->band = IEEE80211_BAND_2GHZ; 1102854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek } 110359eb21a6504731fc16db4cf9463065dd61093e08Bruno Randolf status->freq = ieee80211_channel_to_frequency(rxd->channel, 110459eb21a6504731fc16db4cf9463065dd61093e08Bruno Randolf status->band); 110554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 110620f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek *qos = rxd->qos_control; 1107d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if ((rxd->rx_ctrl & MWL8K_STA_RX_CTRL_DECRYPT_ERROR) && 1108d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam (rxd->rx_ctrl & MWL8K_STA_RX_CTRL_DEC_ERR_TYPE)) 1109d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam status->flag |= RX_FLAG_MMIC_ERROR; 111020f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 111154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek return le16_to_cpu(rxd->pkt_len); 111254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek} 111354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 111489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic struct rxd_ops rxd_sta_ops = { 111589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_size = sizeof(struct mwl8k_rxd_sta), 111689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_init = mwl8k_rxd_sta_init, 111789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_refill = mwl8k_rxd_sta_refill, 111889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_process = mwl8k_rxd_sta_process, 111954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek}; 112054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 112154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 1122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_DESCS 256 1123a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_MAXSZ 3800 1124a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_rxq_init(struct ieee80211_hw *hw, int index) 1126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1127a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 1129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int size; 1130a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1131a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 113245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd_count = 0; 113345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->head = 0; 113445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->tail = 0; 1135a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 113654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek size = MWL8K_RX_DESCS * priv->rxd_ops->rxd_size; 1137a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 113845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd = pci_alloc_consistent(priv->pdev, size, &rxq->rxd_dma); 113945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (rxq->rxd == NULL) { 11405db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to alloc RX descriptors\n"); 1141a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1142a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 114345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek memset(rxq->rxd, 0, size); 1144a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1145b9ede5f1dc03f96949dcaa8f8b3483766c047260Shan Wei rxq->buf = kcalloc(MWL8K_RX_DESCS, sizeof(*rxq->buf), GFP_KERNEL); 1146788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek if (rxq->buf == NULL) { 11475db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to alloc RX skbuff list\n"); 114845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek pci_free_consistent(priv->pdev, size, rxq->rxd, rxq->rxd_dma); 1149a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1150a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1151a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_RX_DESCS; i++) { 115354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek int desc_size; 115454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 1155a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int nexti; 115654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek dma_addr_t next_dma_addr; 115754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 115854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek desc_size = priv->rxd_ops->rxd_size; 115954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd = rxq->rxd + (i * priv->rxd_ops->rxd_size); 1160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 116154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek nexti = i + 1; 116254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (nexti == MWL8K_RX_DESCS) 116354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek nexti = 0; 116454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek next_dma_addr = rxq->rxd_dma + (nexti * desc_size); 1165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 116654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek priv->rxd_ops->rxd_init(rxd, next_dma_addr); 1167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1168a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1169a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1172a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int rxq_refill(struct ieee80211_hw *hw, int index, int limit) 1173a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1174a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1175a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 1176a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int refilled; 1177a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1178a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek refilled = 0; 117945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek while (rxq->rxd_count < MWL8K_RX_DESCS && limit--) { 1180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 1181788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek dma_addr_t addr; 1182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rx; 118354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 1184a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb = dev_alloc_skb(MWL8K_RX_MAXSZ); 1186a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (skb == NULL) 1187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 1188a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1189788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek addr = pci_map_single(priv->pdev, skb->data, 1190788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, DMA_FROM_DEVICE); 1191a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 119254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->rxd_count++; 119354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rx = rxq->tail++; 119454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (rxq->tail == MWL8K_RX_DESCS) 119554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->tail = 0; 1196788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[rx].skb = skb; 119753b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr_set(&rxq->buf[rx], dma, addr); 119854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 119954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd = rxq->rxd + (rx * priv->rxd_ops->rxd_size); 120054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek priv->rxd_ops->rxd_refill(rxd, addr, MWL8K_RX_MAXSZ); 1201a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1202a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek refilled++; 1203a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1204a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1205a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return refilled; 1206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1208a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Must be called only when the card's reception is completely halted */ 1209a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_rxq_deinit(struct ieee80211_hw *hw, int index) 1210a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1211a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1212a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 1213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1214a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 121573b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (rxq->rxd == NULL) 121673b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo return; 121773b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo 1218a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_RX_DESCS; i++) { 1219788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek if (rxq->buf[i].skb != NULL) { 1220788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_single(priv->pdev, 122153b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr(&rxq->buf[i], dma), 1222788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE); 122353b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr_set(&rxq->buf[i], dma, 0); 1224788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek 1225788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek kfree_skb(rxq->buf[i].skb); 1226788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[i].skb = NULL; 1227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1230788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek kfree(rxq->buf); 1231788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf = NULL; 1232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 123454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek MWL8K_RX_DESCS * priv->rxd_ops->rxd_size, 123545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd, rxq->rxd_dma); 123645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd = NULL; 1237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Scan a list of BSSIDs to process for finalize join. 1242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Allows for extension to process multiple BSSIDs. 1243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline int 1245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_capture_bssid(struct mwl8k_priv *priv, struct ieee80211_hdr *wh) 1246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return priv->capture_beacon && 1248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_is_beacon(wh->frame_control) && 12492e42e4747ea72943c21551d8a206b51a9893b1e0Joe Perches ether_addr_equal(wh->addr3, priv->capture_bssid); 1250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 12523779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhekstatic inline void mwl8k_save_beacon(struct ieee80211_hw *hw, 12533779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek struct sk_buff *skb) 1254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 12553779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 12563779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek 1257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = false; 1258d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memset(priv->capture_bssid, 0, ETH_ALEN); 1259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 1261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Use GFP_ATOMIC as rxq_process is called from 1262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * the primary interrupt handler, memory allocation call 1263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * must not sleep. 1264a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1265a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->beacon_skb = skb_copy(skb, GFP_ATOMIC); 1266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->beacon_skb != NULL) 12673779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek ieee80211_queue_work(hw, &priv->finalize_join_worker); 1268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1270d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadamstatic inline struct mwl8k_vif *mwl8k_find_vif_bss(struct list_head *vif_list, 1271d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam u8 *bssid) 1272d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam{ 1273d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam struct mwl8k_vif *mwl8k_vif; 1274d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1275d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam list_for_each_entry(mwl8k_vif, 1276d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam vif_list, list) { 1277d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (memcmp(bssid, mwl8k_vif->bssid, 1278d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam ETH_ALEN) == 0) 1279d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam return mwl8k_vif; 1280d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 1281d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1282d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam return NULL; 1283d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam} 1284d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1285a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int rxq_process(struct ieee80211_hw *hw, int index, int limit) 1286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1288d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam struct mwl8k_vif *mwl8k_vif = NULL; 1289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 1290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int processed; 1291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1292a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek processed = 0; 129345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek while (rxq->rxd_count && limit--) { 1294a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 129554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 129654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek int pkt_len; 1297a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rx_status status; 1298d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam struct ieee80211_hdr *wh; 129920f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek __le16 qos; 1300a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1301788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek skb = rxq->buf[rxq->head].skb; 1302d25f9f1357139bbdc79bc960ea84909a7c22ec2bLennert Buytenhek if (skb == NULL) 1303d25f9f1357139bbdc79bc960ea84909a7c22ec2bLennert Buytenhek break; 130454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 130554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd = rxq->rxd + (rxq->head * priv->rxd_ops->rxd_size); 130654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 13070d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville pkt_len = priv->rxd_ops->rxd_process(rxd, &status, &qos, 13080d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville &priv->noise); 130954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (pkt_len < 0) 131054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek break; 131154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 1312788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[rxq->head].skb = NULL; 1313788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek 1314788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_single(priv->pdev, 131553b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr(&rxq->buf[rxq->head], dma), 1316788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE); 131753b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr_set(&rxq->buf[rxq->head], dma, 0); 1318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 131954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->head++; 132054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (rxq->head == MWL8K_RX_DESCS) 132154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->head = 0; 132254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 132345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd_count--; 1324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1325d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam wh = &((struct mwl8k_dma_data *)skb->data)->wh; 1326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 1328c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * Check for a pending join operation. Save a 1329c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * copy of the beacon and schedule a tasklet to 1330c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * send a FINALIZE_JOIN command to the firmware. 1331a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 133254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (mwl8k_capture_bssid(priv, (void *)skb->data)) 13333779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek mwl8k_save_beacon(hw, skb); 1334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1335d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (ieee80211_has_protected(wh->frame_control)) { 1336d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1337d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam /* Check if hw crypto has been enabled for 1338d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * this bss. If yes, set the status flags 1339d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * accordingly 1340d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam */ 1341d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam mwl8k_vif = mwl8k_find_vif_bss(&priv->vif_list, 1342d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam wh->addr1); 1343d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1344d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (mwl8k_vif != NULL && 134523677ce3172fcb93522a1df077d21019e73ee1e3Joe Perches mwl8k_vif->is_hw_crypto_enabled) { 1346d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam /* 1347d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * When MMIC ERROR is encountered 1348d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * by the firmware, payload is 1349d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * dropped and only 32 bytes of 1350d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * mwl8k Firmware header is sent 1351d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * to the host. 1352d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * 1353d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * We need to add four bytes of 1354d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * key information. In it 1355d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * MAC80211 expects keyidx set to 1356d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * 0 for triggering Counter 1357d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * Measure of MMIC failure. 1358d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam */ 1359d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (status.flag & RX_FLAG_MMIC_ERROR) { 1360d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam struct mwl8k_dma_data *tr; 1361d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam tr = (struct mwl8k_dma_data *)skb->data; 1362d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam memset((void *)&(tr->data), 0, 4); 1363d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam pkt_len += 4; 1364d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 1365d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1366d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (!ieee80211_is_auth(wh->frame_control)) 1367d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam status.flag |= RX_FLAG_IV_STRIPPED | 1368d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam RX_FLAG_DECRYPTED | 1369d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam RX_FLAG_MMIC_STRIPPED; 1370d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 1371d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 1372d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1373d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam skb_put(skb, pkt_len); 1374d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam mwl8k_remove_dma_header(skb, qos); 1375f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); 1376f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg ieee80211_rx_irqsafe(hw, skb); 1377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek processed++; 1379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1380a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1381a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return processed; 1382a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1383a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1386a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Packet transmission. 1387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1388a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1389a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK 0x00000001 1390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK_RETRY 0x00000002 1391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK_MORE_RETRY 0x00000004 1392a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_MULTICAST_TX 0x00000008 1393a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_FW_OWNED 0x80000000 1394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1395e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_QLEN_UNSPEC 0xff00 1396e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_ACK_POLICY_MASK 0x0060 1397e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_ACK_POLICY_NORMAL 0x0000 1398e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_ACK_POLICY_BLOCKACK 0x0060 1399e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_EOSP 0x0010 1400e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek 1401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_tx_desc { 1402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 status; 1403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 data_rate; 1404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 tx_priority; 1405a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 qos_control; 1406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pkt_phys_addr; 1407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pkt_len; 1408d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 dest_MAC_addr[ETH_ALEN]; 140945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 next_txd_phys_addr; 14108a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo __le32 timestamp; 1411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 rate_info; 1412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 peer_id; 1413a1fe24b0fd8bf16b4e551ae3fb785bfc574b9ffbBrian Cavagnolo __u8 tx_frag_cnt; 1414ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 1415a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TX_DESCS 128 1417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_txq_init(struct ieee80211_hw *hw, int index) 1419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1420a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int size; 1423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 14258ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo txq->len = 0; 142645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->head = 0; 142745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail = 0; 1428a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek size = MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc); 1430a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 143145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->txd = pci_alloc_consistent(priv->pdev, size, &txq->txd_dma); 143245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->txd == NULL) { 14335db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to alloc TX descriptors\n"); 1434a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1435a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 143645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek memset(txq->txd, 0, size); 1437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1438b9ede5f1dc03f96949dcaa8f8b3483766c047260Shan Wei txq->skb = kcalloc(MWL8K_TX_DESCS, sizeof(*txq->skb), GFP_KERNEL); 143945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->skb == NULL) { 14405db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to alloc TX skbuff list\n"); 144145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek pci_free_consistent(priv->pdev, size, txq->txd, txq->txd_dma); 1442a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1443a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_DESCS; i++) { 1446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1447a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int nexti; 1448a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 144945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc = txq->txd + i; 1450a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek nexti = (i + 1) % MWL8K_TX_DESCS; 1451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->status = 0; 145345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc->next_txd_phys_addr = 145445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cpu_to_le32(txq->txd_dma + nexti * sizeof(*tx_desc)); 1455a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1457a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1458a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1459a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1460a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline void mwl8k_tx_start(struct mwl8k_priv *priv) 1461a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1462a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_PPA_READY, 1463a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 1465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ioread32(priv->regs + MWL8K_HIU_INT_CODE); 1467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 14697e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhekstatic void mwl8k_dump_tx_rings(struct ieee80211_hw *hw) 1470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 14717e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 14727e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int i; 14737e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1474e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) { 14757e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + i; 14767e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int fw_owned = 0; 14777e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int drv_owned = 0; 14787e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int unused = 0; 14797e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int desc; 14807e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (desc = 0; desc < MWL8K_TX_DESCS; desc++) { 14827e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek struct mwl8k_tx_desc *tx_desc = txq->txd + desc; 14837e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek u32 status; 1484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 14857e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek status = le32_to_cpu(tx_desc->status); 1486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_TXD_STATUS_FW_OWNED) 14877e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek fw_owned++; 1488a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek else 14897e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek drv_owned++; 1490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (tx_desc->pkt_len == 0) 14927e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek unused++; 1493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1495c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_err(hw->wiphy, 1496c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "txq[%d] len=%d head=%d tail=%d " 1497c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "fw_owned=%d drv_owned=%d unused=%d\n", 1498c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches i, 1499c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches txq->len, txq->head, txq->tail, 1500c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches fw_owned, drv_owned, unused); 15017e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek } 1502a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1503a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1504618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek/* 150588de754ad59025eba797e7a8375807755577f450Lennert Buytenhek * Must be called with priv->fw_mutex held and tx queues stopped. 1506618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek */ 150762abd3cfb2f1a0ab1963ac4c4087c477da6b1f2aLennert Buytenhek#define MWL8K_TX_WAIT_TIMEOUT_MS 5000 15087e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1509950d5b0191dc3e71017f336017f75f6189f39f08Lennert Buytenhekstatic int mwl8k_tx_wait_empty(struct ieee80211_hw *hw) 1510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 151288de754ad59025eba797e7a8375807755577f450Lennert Buytenhek DECLARE_COMPLETION_ONSTACK(tx_wait); 15137e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int retry; 15147e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int rc; 1515a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1516a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek might_sleep(); 1517a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15186b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* Since fw restart is in progress, allow only the firmware 15196b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * commands from the restart code and block the other 15206b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * commands since they are going to fail in any case since 15216b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * the firmware has crashed 15226b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 15236b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->hw_restart_in_progress) { 15246b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->hw_restart_owner == current) 15256b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar return 0; 15266b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar else 15276b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar return -EBUSY; 15286b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar } 15296b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 15307e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek /* 15317e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek * The TX queues are stopped at this point, so this test 15327e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek * doesn't need to take ->tx_lock. 15337e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek */ 15347e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek if (!priv->pending_tx_pkts) 15357e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek return 0; 15367e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 15377e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek retry = 0; 15387e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek rc = 0; 15397e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1540a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 15417e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek priv->tx_wait = &tx_wait; 15427e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek while (!rc) { 15437e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int oldcount; 15447e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek unsigned long timeout; 1545a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15467e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek oldcount = priv->pending_tx_pkts; 1547a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15487e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek spin_unlock_bh(&priv->tx_lock); 154988de754ad59025eba797e7a8375807755577f450Lennert Buytenhek timeout = wait_for_completion_timeout(&tx_wait, 15507e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek msecs_to_jiffies(MWL8K_TX_WAIT_TIMEOUT_MS)); 1551a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 15527e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 15537e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek if (timeout) { 15547e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek WARN_ON(priv->pending_tx_pkts); 1555ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar if (retry) 1556c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_notice(hw->wiphy, "tx rings drained\n"); 15577e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek break; 15587e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek } 15597e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 15607e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek if (priv->pending_tx_pkts < oldcount) { 1561c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_notice(hw->wiphy, 1562c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "waiting for tx rings to drain (%d -> %d pkts)\n", 1563c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches oldcount, priv->pending_tx_pkts); 15647e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek retry = 1; 15657e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek continue; 15667e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek } 15677e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1568a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->tx_wait = NULL; 1569a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1570c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_err(hw->wiphy, "tx rings stuck for %d ms\n", 1571c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches MWL8K_TX_WAIT_TIMEOUT_MS); 15727e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek mwl8k_dump_tx_rings(hw); 15736b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hw_restart_in_progress = true; 15746b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar ieee80211_queue_work(hw, &priv->fw_reload); 15757e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 15767e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek rc = -ETIMEDOUT; 1577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 15787e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek spin_unlock_bh(&priv->tx_lock); 1579a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15807e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek return rc; 1581a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1582a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1583c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek#define MWL8K_TXD_SUCCESS(status) \ 1584c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek ((status) & (MWL8K_TXD_STATUS_OK | \ 1585c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek MWL8K_TXD_STATUS_OK_RETRY | \ 1586c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek MWL8K_TXD_STATUS_OK_MORE_RETRY)) 1587a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1588a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadamstatic int mwl8k_tid_queue_mapping(u8 tid) 1589a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam{ 1590a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam BUG_ON(tid > 7); 1591a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam 1592a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam switch (tid) { 1593a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 0: 1594a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 3: 1595a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return IEEE80211_AC_BE; 1596a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam break; 1597a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 1: 1598a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 2: 1599a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return IEEE80211_AC_BK; 1600a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam break; 1601a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 4: 1602a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 5: 1603a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return IEEE80211_AC_VI; 1604a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam break; 1605a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 6: 1606a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 7: 1607a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return IEEE80211_AC_VO; 1608a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam break; 1609a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam default: 1610a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return -1; 1611a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam break; 1612a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam } 1613a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam} 1614a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam 1615170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam/* The firmware will fill in the rate information 1616170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam * for each packet that gets queued in the hardware 161749adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville * and these macros will interpret that info. 1618170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam */ 1619170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam 162049adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville#define RI_FORMAT(a) (a & 0x0001) 162149adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville#define RI_RATE_ID_MCS(a) ((a & 0x01f8) >> 3) 1622170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam 1623efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhekstatic int 1624efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhekmwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int limit, int force) 1625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1626a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1627a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1628efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek int processed; 1629a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1630efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek processed = 0; 16318ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo while (txq->len > 0 && limit--) { 1632a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int tx; 1633a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long addr; 1635ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek int size; 1636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 1637a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_info *info; 1638a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 status; 1639170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam struct ieee80211_sta *sta; 1640170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam struct mwl8k_sta *sta_info = NULL; 1641170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam u16 rate_info; 1642170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam struct ieee80211_hdr *wh; 1643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 164445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx = txq->head; 164545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc = txq->txd + tx; 1646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = le32_to_cpu(tx_desc->status); 1648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_TXD_STATUS_FW_OWNED) { 1650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!force) 1651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 1652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->status &= 1653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ~cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED); 1654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 165645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->head = (tx + 1) % MWL8K_TX_DESCS; 16578ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo BUG_ON(txq->len == 0); 16588ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo txq->len--; 1659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts--; 1660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek addr = le32_to_cpu(tx_desc->pkt_phys_addr); 1662ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek size = le16_to_cpu(tx_desc->pkt_len); 166345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek skb = txq->skb[tx]; 166445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb[tx] = NULL; 1665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek BUG_ON(skb == NULL); 1667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, addr, size, PCI_DMA_TODEVICE); 1668a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 166920f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek mwl8k_remove_dma_header(skb, tx_desc->qos_control); 1670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1671170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam wh = (struct ieee80211_hdr *) skb->data; 1672170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam 1673a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Mark descriptor as unused */ 1674a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->pkt_phys_addr = 0; 1675a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->pkt_len = 0; 1676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek info = IEEE80211_SKB_CB(skb); 1678170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam if (ieee80211_is_data(wh->frame_control)) { 167989e1180121f281af16855d4954b9fe3d7354fe73Thomas Huehn rcu_read_lock(); 168089e1180121f281af16855d4954b9fe3d7354fe73Thomas Huehn sta = ieee80211_find_sta_by_ifaddr(hw, wh->addr1, 168189e1180121f281af16855d4954b9fe3d7354fe73Thomas Huehn wh->addr2); 1682170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam if (sta) { 1683170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam sta_info = MWL8K_STA(sta); 1684170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam BUG_ON(sta_info == NULL); 1685170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam rate_info = le16_to_cpu(tx_desc->rate_info); 1686170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam /* If rate is < 6.5 Mpbs for an ht station 1687170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam * do not form an ampdu. If the station is a 1688170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam * legacy station (format = 0), do not form an 1689170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam * ampdu 1690170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam */ 169149adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville if (RI_RATE_ID_MCS(rate_info) < 1 || 169249adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville RI_FORMAT(rate_info) == 0) { 1693170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam sta_info->is_ampdu_allowed = false; 1694170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } else { 1695170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam sta_info->is_ampdu_allowed = true; 1696170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } 1697170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } 169889e1180121f281af16855d4954b9fe3d7354fe73Thomas Huehn rcu_read_unlock(); 1699170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } 1700170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam 1701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_tx_info_clear_status(info); 17020bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam 17030bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam /* Rate control is happening in the firmware. 17040bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam * Ensure no tx rate is being reported. 17050bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam */ 1706ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar info->status.rates[0].idx = -1; 1707ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar info->status.rates[0].count = 1; 17080bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam 1709ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek if (MWL8K_TXD_SUCCESS(status)) 1710a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek info->flags |= IEEE80211_TX_STAT_ACK; 1711a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1712a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_tx_status_irqsafe(hw, skb); 1713a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1714efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek processed++; 1715a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1716a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1717efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek return processed; 1718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1719a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1720a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* must be called only when the card's transmit is completely halted */ 1721a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_txq_deinit(struct ieee80211_hw *hw, int index) 1722a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1723a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 172673b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (txq->txd == NULL) 172773b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo return; 172873b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo 1729efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek mwl8k_txq_reclaim(hw, index, INT_MAX, 1); 1730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 173145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek kfree(txq->skb); 173245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb = NULL; 1733a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 1735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc), 173645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->txd, txq->txd_dma); 173745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->txd = NULL; 1738a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1739a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1740ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo/* caller must hold priv->stream_lock when calling the stream functions */ 1741ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powarstatic struct mwl8k_ampdu_stream * 1742ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolomwl8k_add_stream(struct ieee80211_hw *hw, struct ieee80211_sta *sta, u8 tid) 1743ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo{ 1744ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo struct mwl8k_ampdu_stream *stream; 1745ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo struct mwl8k_priv *priv = hw->priv; 1746ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo int i; 1747ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 17487fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar for (i = 0; i < MWL8K_NUM_AMPDU_STREAMS; i++) { 1749ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream = &priv->ampdu[i]; 1750ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (stream->state == AMPDU_NO_STREAM) { 1751ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->sta = sta; 1752ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->state = AMPDU_STREAM_NEW; 1753ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->tid = tid; 1754ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->idx = i; 1755ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo wiphy_debug(hw->wiphy, "Added a new stream for %pM %d", 1756ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo sta->addr, tid); 1757ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return stream; 1758ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo } 1759ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo } 1760ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return NULL; 1761ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo} 1762ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1763ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolostatic int 1764ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolomwl8k_start_stream(struct ieee80211_hw *hw, struct mwl8k_ampdu_stream *stream) 1765ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo{ 1766ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo int ret; 1767ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1768ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo /* if the stream has already been started, don't start it again */ 1769ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (stream->state != AMPDU_STREAM_NEW) 1770ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return 0; 1771ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo ret = ieee80211_start_tx_ba_session(stream->sta, stream->tid, 0); 1772ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (ret) 1773ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo wiphy_debug(hw->wiphy, "Failed to start stream for %pM %d: " 1774ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo "%d\n", stream->sta->addr, stream->tid, ret); 1775ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo else 1776ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo wiphy_debug(hw->wiphy, "Started stream for %pM %d\n", 1777ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->sta->addr, stream->tid); 1778ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return ret; 1779ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo} 1780ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1781ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolostatic void 1782ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolomwl8k_remove_stream(struct ieee80211_hw *hw, struct mwl8k_ampdu_stream *stream) 1783ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo{ 1784ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo wiphy_debug(hw->wiphy, "Remove stream for %pM %d\n", stream->sta->addr, 1785ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->tid); 1786ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo memset(stream, 0, sizeof(*stream)); 1787ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo} 1788ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1789ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolostatic struct mwl8k_ampdu_stream * 1790ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolomwl8k_lookup_stream(struct ieee80211_hw *hw, u8 *addr, u8 tid) 1791ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo{ 1792ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo struct mwl8k_priv *priv = hw->priv; 1793ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo int i; 1794ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 17957fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar for (i = 0; i < MWL8K_NUM_AMPDU_STREAMS; i++) { 1796ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo struct mwl8k_ampdu_stream *stream; 1797ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream = &priv->ampdu[i]; 1798ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (stream->state == AMPDU_NO_STREAM) 1799ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo continue; 1800ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (!memcmp(stream->sta->addr, addr, ETH_ALEN) && 1801ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->tid == tid) 1802ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return stream; 1803ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo } 1804ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return NULL; 1805ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo} 1806ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1807d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo#define MWL8K_AMPDU_PACKET_THRESHOLD 64 1808d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolostatic inline bool mwl8k_ampdu_allowed(struct ieee80211_sta *sta, u8 tid) 1809d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo{ 1810d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct mwl8k_sta *sta_info = MWL8K_STA(sta); 1811d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct tx_traffic_info *tx_stats; 1812d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1813d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo BUG_ON(tid >= MWL8K_MAX_TID); 1814d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats = &sta_info->tx_stats[tid]; 1815d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1816d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo return sta_info->is_ampdu_allowed && 1817d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->pkts > MWL8K_AMPDU_PACKET_THRESHOLD; 1818d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo} 1819d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1820d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolostatic inline void mwl8k_tx_count_packet(struct ieee80211_sta *sta, u8 tid) 1821d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo{ 1822d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct mwl8k_sta *sta_info = MWL8K_STA(sta); 1823d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct tx_traffic_info *tx_stats; 1824d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1825d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo BUG_ON(tid >= MWL8K_MAX_TID); 1826d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats = &sta_info->tx_stats[tid]; 1827d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1828d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo if (tx_stats->start_time == 0) 1829d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->start_time = jiffies; 1830d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1831d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo /* reset the packet count after each second elapses. If the number of 1832d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo * packets ever exceeds the ampdu_min_traffic threshold, we will allow 1833d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo * an ampdu stream to be started. 1834d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo */ 1835d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo if (jiffies - tx_stats->start_time > HZ) { 1836d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->pkts = 0; 1837d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->start_time = 0; 1838d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo } else 1839d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->pkts++; 1840d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo} 1841d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 18427fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar/* The hardware ampdu queues start from 5. 18437fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar * txpriorities for ampdu queues are 18447fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar * 5 6 7 0 1 2 3 4 ie., queue 5 is highest 18457fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar * and queue 3 is lowest (queue 4 is reserved) 18467fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar */ 18477fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar#define BA_QUEUE 5 18487fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar 18497bb4568372856688bc070917265bce0b88bb7d4dJohannes Bergstatic void 185036323f817af0376c78612cfdab714b0feb05fea5Thomas Huehnmwl8k_txq_xmit(struct ieee80211_hw *hw, 185136323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn int index, 185236323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn struct ieee80211_sta *sta, 185336323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn struct sk_buff *skb) 1854a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1855a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1856a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_info *tx_info; 185723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek struct mwl8k_vif *mwl8k_vif; 1858a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 1859a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq; 1860a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx; 1861a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma; 186223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u32 txstatus; 186323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u8 txdatarate; 186423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u16 qos; 186565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam int txpriority; 186665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam u8 tid = 0; 186765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam struct mwl8k_ampdu_stream *stream = NULL; 186865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam bool start_ba_session = false; 18693a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam bool mgmtframe = false; 1870a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data; 1871e1f4d69b631468d915a9ed4a0a64dba77705492dNishant Sarmukadam bool eapol_frame = false; 1872a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 187323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 187423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (ieee80211_is_data_qos(wh->frame_control)) 187523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = le16_to_cpu(*((__le16 *)ieee80211_get_qos_ctl(wh))); 187623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek else 187723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = 0; 1878a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1879e1f4d69b631468d915a9ed4a0a64dba77705492dNishant Sarmukadam if (skb->protocol == cpu_to_be16(ETH_P_PAE)) 1880e1f4d69b631468d915a9ed4a0a64dba77705492dNishant Sarmukadam eapol_frame = true; 1881e1f4d69b631468d915a9ed4a0a64dba77705492dNishant Sarmukadam 18823a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam if (ieee80211_is_mgmt(wh->frame_control)) 18833a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam mgmtframe = true; 18843a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam 1885d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (priv->ap_fw) 1886ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar mwl8k_encapsulate_tx_frame(priv, skb); 1887d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam else 1888e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar mwl8k_add_dma_header(priv, skb, 0, 0); 1889d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 189023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek wh = &((struct mwl8k_dma_data *)skb->data)->wh; 1891a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1892a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_info = IEEE80211_SKB_CB(skb); 1893a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif = MWL8K_VIF(tx_info->control.vif); 1894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1895a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { 1896a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); 1897657232b625890f202867ede0ed67ecf15827ff80Lennert Buytenhek wh->seq_ctrl |= cpu_to_le16(mwl8k_vif->seqno); 1898657232b625890f202867ede0ed67ecf15827ff80Lennert Buytenhek mwl8k_vif->seqno += 0x10; 1899a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1900a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 190123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek /* Setup firmware control bit fields for each frame type. */ 190223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txstatus = 0; 190323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 0; 190423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (ieee80211_is_mgmt(wh->frame_control) || 190523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek ieee80211_is_ctl(wh->frame_control)) { 190623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 0; 1907e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos |= MWL8K_QOS_QLEN_UNSPEC | MWL8K_QOS_EOSP; 190823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek } else if (ieee80211_is_data(wh->frame_control)) { 190923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 1; 191023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (is_multicast_ether_addr(wh->addr1)) 191123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txstatus |= MWL8K_TXD_STATUS_MULTICAST_TX; 191223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 1913e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos &= ~MWL8K_QOS_ACK_POLICY_MASK; 191423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) 1915e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos |= MWL8K_QOS_ACK_POLICY_BLOCKACK; 191623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek else 1917e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos |= MWL8K_QOS_ACK_POLICY_NORMAL; 191823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek } 1919a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1920a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam /* Queue ADDBA request in the respective data queue. While setting up 1921a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * the ampdu stream, mac80211 queues further packets for that 1922a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * particular ra/tid pair. However, packets piled up in the hardware 1923a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * for that ra/tid pair will still go out. ADDBA request and the 1924a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * related data packets going out from different queues asynchronously 1925a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * will cause a shift in the receiver window which might result in 1926a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * ampdu packets getting dropped at the receiver after the stream has 1927a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * been setup. 1928a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam */ 1929a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam if (unlikely(ieee80211_is_action(wh->frame_control) && 1930a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam mgmt->u.action.category == WLAN_CATEGORY_BACK && 1931a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam mgmt->u.action.u.addba_req.action_code == WLAN_ACTION_ADDBA_REQ && 1932a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam priv->ap_fw)) { 1933a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam u16 capab = le16_to_cpu(mgmt->u.action.u.addba_req.capab); 1934a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; 1935a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam index = mwl8k_tid_queue_mapping(tid); 1936a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam } 1937a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam 193865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam txpriority = index; 193965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 1940e1f4d69b631468d915a9ed4a0a64dba77705492dNishant Sarmukadam if (priv->ap_fw && sta && sta->ht_cap.ht_supported && !eapol_frame && 1941e1f4d69b631468d915a9ed4a0a64dba77705492dNishant Sarmukadam ieee80211_is_data_qos(wh->frame_control)) { 194265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam tid = qos & 0xf; 1943d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo mwl8k_tx_count_packet(sta, tid); 194465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 194565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream = mwl8k_lookup_stream(hw, sta->addr, tid); 194665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (stream != NULL) { 194765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (stream->state == AMPDU_STREAM_ACTIVE) { 19485f2a14940db23350612071a3c906c8960e3ceb9aYogesh Ashok Powar WARN_ON(!(qos & MWL8K_QOS_ACK_POLICY_BLOCKACK)); 19497fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar txpriority = (BA_QUEUE + stream->idx) % 19507fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar TOTAL_HW_TX_QUEUES; 19517fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar if (stream->idx <= 1) 19527fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar index = stream->idx + 19537fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar MWL8K_TX_WMM_QUEUES; 19547fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar 195565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } else if (stream->state == AMPDU_STREAM_NEW) { 195665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* We get here if the driver sends us packets 195765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * after we've initiated a stream, but before 195865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * our ampdu_action routine has been called 195965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * with IEEE80211_AMPDU_TX_START to get the SSN 196065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * for the ADDBA request. So this packet can 196165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * go out with no risk of sequence number 196265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * mismatch. No special handling is required. 196365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 196465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } else { 196565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* Drop packets that would go out after the 196665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * ADDBA request was sent but before the ADDBA 196765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * response is received. If we don't do this, 196865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * the recipient would probably receive it 196965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * after the ADDBA request with SSN 0. This 197065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * will cause the recipient's BA receive window 197165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * to shift, which would cause the subsequent 197265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * packets in the BA stream to be discarded. 197365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * mac80211 queues our packets for us in this 197465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * case, so this is really just a safety check. 197565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 197665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_warn(hw->wiphy, 197765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam "Cannot send packet while ADDBA " 197865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam "dialog is underway.\n"); 197965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 198065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam dev_kfree_skb(skb); 198165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam return; 198265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 198365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } else { 198465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* Defer calling mwl8k_start_stream so that the current 198565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * skb can go out before the ADDBA request. This 198665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * prevents sequence number mismatch at the recepient 198765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * as described above. 198865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 1989d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo if (mwl8k_ampdu_allowed(sta, tid)) { 1990170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam stream = mwl8k_add_stream(hw, sta, tid); 1991170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam if (stream != NULL) 1992170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam start_ba_session = true; 1993170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } 199465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 199565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 19965f2a14940db23350612071a3c906c8960e3ceb9aYogesh Ashok Powar } else { 19975f2a14940db23350612071a3c906c8960e3ceb9aYogesh Ashok Powar qos &= ~MWL8K_QOS_ACK_POLICY_MASK; 19985f2a14940db23350612071a3c906c8960e3ceb9aYogesh Ashok Powar qos |= MWL8K_QOS_ACK_POLICY_NORMAL; 199965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 200065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 2001a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma = pci_map_single(priv->pdev, skb->data, 2002a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb->len, PCI_DMA_TODEVICE); 2003a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2004a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma)) { 2005c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_debug(hw->wiphy, 2006c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "failed to dma map skb, dropping TX frame.\n"); 200765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (start_ba_session) { 200865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 200965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_remove_stream(hw, stream); 201065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 201165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 201223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek dev_kfree_skb(skb); 20137bb4568372856688bc070917265bce0b88bb7d4dJohannes Berg return; 2014a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2015a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 201623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek spin_lock_bh(&priv->tx_lock); 2017a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 201823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txq = priv->txq + index; 2019a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 20203a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam /* Mgmt frames that go out frequently are probe 20213a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * responses. Other mgmt frames got out relatively 20223a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * infrequently. Hence reserve 2 buffers so that 20233a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * other mgmt frames do not get dropped due to an 20243a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * already queued probe response in one of the 20253a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * reserved buffers. 20263a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam */ 20273a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam 20283a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam if (txq->len >= MWL8K_TX_DESCS - 2) { 202923677ce3172fcb93522a1df077d21019e73ee1e3Joe Perches if (!mgmtframe || txq->len == MWL8K_TX_DESCS) { 20303a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam if (start_ba_session) { 20313a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam spin_lock(&priv->stream_lock); 20323a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam mwl8k_remove_stream(hw, stream); 20333a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam spin_unlock(&priv->stream_lock); 20343a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam } 20353a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam spin_unlock_bh(&priv->tx_lock); 2036ff7aa96f669d81b51339f7a0faf7ca37ed841ef1Nishant Sarmukadam pci_unmap_single(priv->pdev, dma, skb->len, 2037ff7aa96f669d81b51339f7a0faf7ca37ed841ef1Nishant Sarmukadam PCI_DMA_TODEVICE); 20383a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam dev_kfree_skb(skb); 20393a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam return; 20403a7dbc3b2ac545efac75d4145839eaa7b59d9741Pradeep Nemavat } 204165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 204265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 204345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek BUG_ON(txq->skb[txq->tail] != NULL); 204445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb[txq->tail] = skb; 2045a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 204645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx = txq->txd + txq->tail; 204723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->data_rate = txdatarate; 204865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam tx->tx_priority = txpriority; 2049a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->qos_control = cpu_to_le16(qos); 2050a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->pkt_phys_addr = cpu_to_le32(dma); 2051a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->pkt_len = cpu_to_le16(skb->len); 205223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->rate_info = 0; 205336323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn if (!priv->ap_fw && sta != NULL) 205436323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn tx->peer_id = MWL8K_STA(sta)->peer_id; 2055a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek else 2056a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek tx->peer_id = 0; 2057566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat 2058e1f4d69b631468d915a9ed4a0a64dba77705492dNishant Sarmukadam if (priv->ap_fw && ieee80211_is_data(wh->frame_control) && !eapol_frame) 2059566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat tx->timestamp = cpu_to_le32(ioread32(priv->regs + 2060566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat MWL8K_HW_TIMER_REGISTER)); 2061b8d9e572cb8794335fb4ba63ff962acaa3c4473bNishant Sarmukadam else 2062b8d9e572cb8794335fb4ba63ff962acaa3c4473bNishant Sarmukadam tx->timestamp = 0; 2063566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat 2064a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wmb(); 206523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->status = cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED | txstatus); 206623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 20678ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo txq->len++; 2068a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts++; 2069a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 207045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail++; 207145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->tail == MWL8K_TX_DESCS) 207245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail = 0; 207323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 207423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek mwl8k_tx_start(priv); 2075a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2076a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 207765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 207865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* Initiate the ampdu session here */ 207965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (start_ba_session) { 208065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 208165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (mwl8k_start_stream(hw, stream)) 208265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_remove_stream(hw, stream); 208365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 208465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 2085a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2086a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2087a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2088a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2089618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * Firmware access. 2090618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * 2091618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * We have the following requirements for issuing firmware commands: 2092618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * - Some commands require that the packet transmit path is idle when 2093618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * the command is issued. (For simplicity, we'll just quiesce the 2094618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * transmit path for every command.) 2095618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * - There are certain sequences of commands that need to be issued to 2096618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * the hardware sequentially, with no other intervening commands. 2097618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * 2098618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * This leads to an implementation of a "firmware lock" as a mutex that 2099618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * can be taken recursively, and which is taken by both the low-level 2100618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * command submission function (mwl8k_post_cmd) as well as any users of 2101618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * that function that require issuing of an atomic sequence of commands, 2102618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * and quiesces the transmit path whenever it's taken. 2103618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek */ 2104618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhekstatic int mwl8k_fw_lock(struct ieee80211_hw *hw) 2105618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek{ 2106618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2107618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2108618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (priv->fw_mutex_owner != current) { 2109618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek int rc; 2110618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2111618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_lock(&priv->fw_mutex); 2112618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek ieee80211_stop_queues(hw); 2113618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2114618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek rc = mwl8k_tx_wait_empty(hw); 2115618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (rc) { 21166b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!priv->hw_restart_in_progress) 21176b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar ieee80211_wake_queues(hw); 21186b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 2119618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_unlock(&priv->fw_mutex); 2120618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2121618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return rc; 2122618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 2123618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2124618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_owner = current; 2125618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 2126618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2127618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_depth++; 2128618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2129618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return 0; 2130618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek} 2131618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2132618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhekstatic void mwl8k_fw_unlock(struct ieee80211_hw *hw) 2133618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek{ 2134618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2135618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2136618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (!--priv->fw_mutex_depth) { 21376b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!priv->hw_restart_in_progress) 21386b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar ieee80211_wake_queues(hw); 21396b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 2140618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_owner = NULL; 2141618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_unlock(&priv->fw_mutex); 2142618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 2143618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek} 2144618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2145618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2146618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek/* 2147a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Command processing. 2148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2149a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 21500c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek/* Timeout firmware commands after 10s */ 21510c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek#define MWL8K_CMD_TIMEOUT_MS 10000 2152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2153a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd) 2154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2155a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek DECLARE_COMPLETION_ONSTACK(cmd_wait); 2156a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs = priv->regs; 2158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma_addr; 2159a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned int dma_size; 2160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long timeout = 0; 2162a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 buf[32]; 2163a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2164b603742f49c3ec922522602e18ac22e8f6835132John W. Linville cmd->result = (__force __le16) 0xffff; 2165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_size = le16_to_cpu(cmd->length); 2166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr = pci_map_single(priv->pdev, cmd, dma_size, 2167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek PCI_DMA_BIDIRECTIONAL); 2168a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma_addr)) 2169a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2171618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek rc = mwl8k_fw_lock(hw); 217239a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek if (rc) { 217339a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, dma_size, 217439a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek PCI_DMA_BIDIRECTIONAL); 2175618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return rc; 217639a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek } 2177a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2178a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hostcmd_wait = &cmd_wait; 2179a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR); 2180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DOORBELL, 2181a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 2182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 2183a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 2184a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek timeout = wait_for_completion_timeout(&cmd_wait, 2186a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msecs_to_jiffies(MWL8K_CMD_TIMEOUT_MS)); 2187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2188618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->hostcmd_wait = NULL; 2189618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2190618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mwl8k_fw_unlock(hw); 2191618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 219237055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, dma_size, 219337055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek PCI_DMA_BIDIRECTIONAL); 219437055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek 2195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!timeout) { 21965db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Command %s timeout after %u ms\n", 2197c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 2198c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches MWL8K_CMD_TIMEOUT_MS); 2199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -ETIMEDOUT; 2200a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 22010c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek int ms; 22020c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek 22030c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek ms = MWL8K_CMD_TIMEOUT_MS - jiffies_to_msecs(timeout); 22040c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek 2205ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek rc = cmd->result ? -EINVAL : 0; 2206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 22075db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Command %s error 0x%x\n", 2208c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 2209c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches le16_to_cpu(cmd->result)); 22100c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek else if (ms > 2000) 22115db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_notice(hw->wiphy, "Command %s took %d ms\n", 2212c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches mwl8k_cmd_name(cmd->code, 2213c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches buf, sizeof(buf)), 2214c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches ms); 2215a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2217a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2218a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2219a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2220f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhekstatic int mwl8k_post_pervif_cmd(struct ieee80211_hw *hw, 2221f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek struct ieee80211_vif *vif, 2222f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek struct mwl8k_cmd_pkt *cmd) 2223f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek{ 2224f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek if (vif != NULL) 2225f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek cmd->macid = MWL8K_VIF(vif)->macid; 2226f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek return mwl8k_post_cmd(hw, cmd); 2227f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek} 2228f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek 2229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 22301349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek * Setup code shared between STA and AP firmware images. 22311349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek */ 22321349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhekstatic void mwl8k_setup_2ghz_band(struct ieee80211_hw *hw) 22331349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek{ 22341349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 22351349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 22361349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek BUILD_BUG_ON(sizeof(priv->channels_24) != sizeof(mwl8k_channels_24)); 22371349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek memcpy(priv->channels_24, mwl8k_channels_24, sizeof(mwl8k_channels_24)); 22381349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 22391349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek BUILD_BUG_ON(sizeof(priv->rates_24) != sizeof(mwl8k_rates_24)); 22401349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek memcpy(priv->rates_24, mwl8k_rates_24, sizeof(mwl8k_rates_24)); 22411349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 22421349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.band = IEEE80211_BAND_2GHZ; 22431349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.channels = priv->channels_24; 22441349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.n_channels = ARRAY_SIZE(mwl8k_channels_24); 22451349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.bitrates = priv->rates_24; 22461349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.n_bitrates = ARRAY_SIZE(mwl8k_rates_24); 22471349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 22481349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band_24; 22491349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek} 22501349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 22514eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhekstatic void mwl8k_setup_5ghz_band(struct ieee80211_hw *hw) 22524eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek{ 22534eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 22544eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 22554eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek BUILD_BUG_ON(sizeof(priv->channels_50) != sizeof(mwl8k_channels_50)); 22564eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek memcpy(priv->channels_50, mwl8k_channels_50, sizeof(mwl8k_channels_50)); 22574eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 22584eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek BUILD_BUG_ON(sizeof(priv->rates_50) != sizeof(mwl8k_rates_50)); 22594eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek memcpy(priv->rates_50, mwl8k_rates_50, sizeof(mwl8k_rates_50)); 22604eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 22614eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.band = IEEE80211_BAND_5GHZ; 22624eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.channels = priv->channels_50; 22634eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.n_channels = ARRAY_SIZE(mwl8k_channels_50); 22644eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.bitrates = priv->rates_50; 22654eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.n_bitrates = ARRAY_SIZE(mwl8k_rates_50); 22664eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 22674eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &priv->band_50; 22684eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek} 22694eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 22701349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek/* 227104b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhek * CMD_GET_HW_SPEC (STA version). 2272a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 227304b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhekstruct mwl8k_cmd_get_hw_spec_sta { 2274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2275a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 hw_rev; 2276a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 host_interface; 2277a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 num_mcaddrs; 2278d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 2279a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 region_code; 2280a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 fw_rev; 2281a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 ps_cookie; 2282a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 caps; 2283a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 mcs_bitmap[16]; 2284a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 rx_queue_ptr; 2285a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_tx_queues; 2286e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo __le32 tx_queue_ptrs[MWL8K_TX_WMM_QUEUES]; 2287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 caps2; 2288a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_tx_desc_per_queue; 228945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 total_rxd; 2290ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2292341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_MAX_AMSDU 0x20000000 2293341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_GREENFIELD 0x08000000 2294341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_AMPDU 0x04000000 2295341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_RX_STBC 0x01000000 2296341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_TX_STBC 0x00800000 2297341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_SHORTGI_40MHZ 0x00400000 2298341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_SHORTGI_20MHZ 0x00200000 2299341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_RX_ANTENNA_MASK 0x000e0000 2300341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_TX_ANTENNA_MASK 0x0001c000 2301341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_DELAY_BA 0x00003000 2302341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_MIMO 0x00000200 2303341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_40MHZ 0x00000100 230406953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek#define MWL8K_CAP_BAND_MASK 0x00000007 230506953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek#define MWL8K_CAP_5GHZ 0x00000004 230606953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek#define MWL8K_CAP_2GHZ4 0x00000001 2307341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 230806953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhekstatic void 230906953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhekmwl8k_set_ht_caps(struct ieee80211_hw *hw, 231006953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek struct ieee80211_supported_band *band, u32 cap) 2311341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek{ 2312341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek int rx_streams; 2313341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek int tx_streams; 2314341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2315777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.ht_supported = 1; 2316341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2317341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_MAX_AMSDU) 2318777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU; 2319341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_GREENFIELD) 2320777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_GRN_FLD; 2321341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_AMPDU) { 2322341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION; 2323777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 2324777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; 2325341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek } 2326341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_RX_STBC) 2327777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_RX_STBC; 2328341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_TX_STBC) 2329777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC; 2330341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_SHORTGI_40MHZ) 2331777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; 2332341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_SHORTGI_20MHZ) 2333777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20; 2334341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_DELAY_BA) 2335777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_DELAY_BA; 2336341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_40MHZ) 2337777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2338341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2339341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek rx_streams = hweight32(cap & MWL8K_CAP_RX_ANTENNA_MASK); 2340341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek tx_streams = hweight32(cap & MWL8K_CAP_TX_ANTENNA_MASK); 2341341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2342777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.rx_mask[0] = 0xff; 2343341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (rx_streams >= 2) 2344777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.rx_mask[1] = 0xff; 2345341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (rx_streams >= 3) 2346777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.rx_mask[2] = 0xff; 2347777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.rx_mask[4] = 0x01; 2348777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 2349341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2350341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (rx_streams != tx_streams) { 2351777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF; 2352777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.tx_params |= (tx_streams - 1) << 2353341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT; 2354341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek } 2355341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek} 2356341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 235706953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhekstatic void 235806953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhekmwl8k_set_caps(struct ieee80211_hw *hw, u32 caps) 235906953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek{ 236006953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 236106953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek 236206953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek if ((caps & MWL8K_CAP_2GHZ4) || !(caps & MWL8K_CAP_BAND_MASK)) { 236306953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_setup_2ghz_band(hw); 236406953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek if (caps & MWL8K_CAP_MIMO) 236506953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_set_ht_caps(hw, &priv->band_24, caps); 236606953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek } 236706953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek 236806953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek if (caps & MWL8K_CAP_5GHZ) { 236906953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_setup_5ghz_band(hw); 237006953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek if (caps & MWL8K_CAP_MIMO) 237106953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_set_ht_caps(hw, &priv->band_50, caps); 237206953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek } 237306953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek} 237406953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek 237504b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhekstatic int mwl8k_cmd_get_hw_spec_sta(struct ieee80211_hw *hw) 2376a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 237804b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhek struct mwl8k_cmd_get_hw_spec_sta *cmd; 2379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2380a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 2381a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2382a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2383a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2386a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC); 2387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2388a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2389a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr)); 2390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 239145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rxd_dma); 2392e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo cmd->num_tx_queues = cpu_to_le32(mwl8k_tx_queues(priv)); 2393e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 239445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].txd_dma); 23954ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS); 239645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS); 2397a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 2401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr); 2402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs); 24034ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek priv->fw_rev = le32_to_cpu(cmd->fw_rev); 2404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hw_rev = cmd->hw_rev; 240506953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_set_caps(hw, le32_to_cpu(cmd->caps)); 2406ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->ap_macids_supported = 0x00000000; 2407ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->sta_macids_supported = 0x00000001; 2408a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2414a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 241542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek * CMD_GET_HW_SPEC (AP version). 241642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek */ 241742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstruct mwl8k_cmd_get_hw_spec_ap { 241842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_pkt header; 241942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 hw_rev; 242042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 host_interface; 242142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_wcb; 242242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_mcaddrs; 242342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 242442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 region_code; 242542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_antenna; 242642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 fw_rev; 242742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase0; 242842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 rxwrptr; 242942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 rxrdptr; 243042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 ps_cookie; 243142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase1; 243242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase2; 243342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase3; 2434952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo __le32 fw_api_version; 24358a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo __le32 caps; 24368a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo __le32 num_of_ampdu_queues; 24378a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo __le32 wcbbase_ampdu[MWL8K_MAX_AMPDU_QUEUES]; 2438ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 243942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 244042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstatic int mwl8k_cmd_get_hw_spec_ap(struct ieee80211_hw *hw) 244142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek{ 244242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 244342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_get_hw_spec_ap *cmd; 24448a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo int rc, i; 2445952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo u32 api_version; 244642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 244742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 244842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (cmd == NULL) 244942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return -ENOMEM; 245042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 245142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC); 245242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 245342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 245442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr)); 245542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 245642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 245742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 245842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 245942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (!rc) { 246042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek int off; 246142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 2462952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo api_version = le32_to_cpu(cmd->fw_api_version); 2463952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo if (priv->device_info->fw_api_ap != api_version) { 2464952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo printk(KERN_ERR "%s: Unsupported fw API version for %s." 2465952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo " Expected %d got %d.\n", MWL8K_NAME, 2466952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo priv->device_info->part_name, 2467952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo priv->device_info->fw_api_ap, 2468952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo api_version); 2469952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo rc = -EINVAL; 2470952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo goto done; 2471952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo } 247242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr); 247342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs); 247442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek priv->fw_rev = le32_to_cpu(cmd->fw_rev); 247542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek priv->hw_rev = cmd->hw_rev; 24768a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo mwl8k_set_caps(hw, le32_to_cpu(cmd->caps)); 2477ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->ap_macids_supported = 0x000000ff; 2478ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->sta_macids_supported = 0x00000000; 24798a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo priv->num_ampdu_queues = le32_to_cpu(cmd->num_of_ampdu_queues); 24808a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo if (priv->num_ampdu_queues > MWL8K_MAX_AMPDU_QUEUES) { 24818a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo wiphy_warn(hw->wiphy, "fw reported %d ampdu queues" 24828a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo " but we only support %d.\n", 24838a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo priv->num_ampdu_queues, 24848a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo MWL8K_MAX_AMPDU_QUEUES); 24858a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo priv->num_ampdu_queues = MWL8K_MAX_AMPDU_QUEUES; 24868a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo } 248742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek off = le32_to_cpu(cmd->rxwrptr) & 0xffff; 2488b603742f49c3ec922522602e18ac22e8f6835132John W. Linville iowrite32(priv->rxq[0].rxd_dma, priv->sram + off); 248942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 249042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek off = le32_to_cpu(cmd->rxrdptr) & 0xffff; 2491b603742f49c3ec922522602e18ac22e8f6835132John W. Linville iowrite32(priv->rxq[0].rxd_dma, priv->sram + off); 249242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 249373b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->txq_offset[0] = le32_to_cpu(cmd->wcbbase0) & 0xffff; 249473b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->txq_offset[1] = le32_to_cpu(cmd->wcbbase1) & 0xffff; 249573b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->txq_offset[2] = le32_to_cpu(cmd->wcbbase2) & 0xffff; 249673b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->txq_offset[3] = le32_to_cpu(cmd->wcbbase3) & 0xffff; 24978a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo 24988a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo for (i = 0; i < priv->num_ampdu_queues; i++) 2499e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo priv->txq_offset[i + MWL8K_TX_WMM_QUEUES] = 25008a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo le32_to_cpu(cmd->wcbbase_ampdu[i]) & 0xffff; 250142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek } 250242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 2503952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolodone: 250442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek kfree(cmd); 250542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return rc; 250642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek} 250742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 250842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek/* 250942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek * CMD_SET_HW_SPEC. 251042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek */ 251142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstruct mwl8k_cmd_set_hw_spec { 251242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_pkt header; 251342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 hw_rev; 251442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 host_interface; 251542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_mcaddrs; 251642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 251742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 region_code; 251842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 fw_rev; 251942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 ps_cookie; 252042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 caps; 252142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 rx_queue_ptr; 252242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 num_tx_queues; 2523e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo __le32 tx_queue_ptrs[MWL8K_MAX_TX_QUEUES]; 252442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 flags; 252542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 num_tx_desc_per_queue; 252642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 total_rxd; 2527ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 252842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 25298a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo/* If enabled, MWL8K_SET_HW_SPEC_FLAG_ENABLE_LIFE_TIME_EXPIRY will cause 25308a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * packets to expire 500 ms after the timestamp in the tx descriptor. That is, 25318a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * the packets that are queued for more than 500ms, will be dropped in the 25328a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * hardware. This helps minimizing the issues caused due to head-of-line 25338a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * blocking where a slow client can hog the bandwidth and affect traffic to a 25348a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * faster client. 25358a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo */ 25368a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo#define MWL8K_SET_HW_SPEC_FLAG_ENABLE_LIFE_TIME_EXPIRY 0x00000400 25373373b28e5af4a0b3c6cb39372581dcc1e41322ffNishant Sarmukadam#define MWL8K_SET_HW_SPEC_FLAG_GENERATE_CCMP_HDR 0x00000200 2538b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek#define MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT 0x00000080 2539b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek#define MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_PROBERESP 0x00000020 2540b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek#define MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_BEACON 0x00000010 254142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 254242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstatic int mwl8k_cmd_set_hw_spec(struct ieee80211_hw *hw) 254342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek{ 254442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 254542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_set_hw_spec *cmd; 254642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek int rc; 254742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek int i; 254842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 254942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 255042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (cmd == NULL) 255142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return -ENOMEM; 255242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 255342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_HW_SPEC); 255442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 255542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 255642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 255742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rxd_dma); 2558e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo cmd->num_tx_queues = cpu_to_le32(mwl8k_tx_queues(priv)); 255985c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam 256085c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam /* 256185c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam * Mac80211 stack has Q0 as highest priority and Q3 as lowest in 256285c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam * that order. Firmware has Q3 as highest priority and Q0 as lowest 256385c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam * in that order. Map Q3 of mac80211 to Q0 of firmware so that the 256485c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam * priority is interpreted the right way in firmware. 256585c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam */ 2566e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) { 2567e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo int j = mwl8k_tx_queues(priv) - 1 - i; 256885c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[j].txd_dma); 256985c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam } 257085c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam 2571b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->flags = cpu_to_le32(MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT | 2572b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_PROBERESP | 257331d291a769b4318cbf7943ca149e04d201e2c931Nishant Sarmukadam MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_BEACON | 25743373b28e5af4a0b3c6cb39372581dcc1e41322ffNishant Sarmukadam MWL8K_SET_HW_SPEC_FLAG_ENABLE_LIFE_TIME_EXPIRY | 25753373b28e5af4a0b3c6cb39372581dcc1e41322ffNishant Sarmukadam MWL8K_SET_HW_SPEC_FLAG_GENERATE_CCMP_HDR); 257642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS); 257742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS); 257842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 257942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 258042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek kfree(cmd); 258142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 258242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return rc; 258342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek} 258442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 258542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek/* 2586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_MAC_MULTICAST_ADR. 2587a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2588a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_mac_multicast_adr { 2589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2591a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 numaddr; 2592ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek __u8 addr[0][ETH_ALEN]; 2593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 2594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2595d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_DIRECTED 0x0001 2596d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_MULTICAST 0x0002 2597d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_ALL_MULTICAST 0x0004 2598d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_BROADCAST 0x0008 2599ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek 2600e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhekstatic struct mwl8k_cmd_pkt * 2601447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek__mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw, int allmulti, 260222bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko struct netdev_hw_addr_list *mc_list) 2603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2604e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_mac_multicast_adr *cmd; 2606e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek int size; 260722bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko int mc_count = 0; 260822bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko 260922bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko if (mc_list) 261022bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko mc_count = netdev_hw_addr_list_count(mc_list); 2611e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 2612447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (allmulti || mc_count > priv->num_mcaddrs) { 2613d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek allmulti = 1; 2614d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek mc_count = 0; 2615d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek } 2616e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 2617e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek size = sizeof(*cmd) + mc_count * ETH_ALEN; 2618ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek 2619e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek cmd = kzalloc(size, GFP_ATOMIC); 2620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2621e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return NULL; 2622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2623a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_MAC_MULTICAST_ADR); 2624a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(size); 2625d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_ENABLE_RX_DIRECTED | 2626d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek MWL8K_ENABLE_RX_BROADCAST); 2627d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek 2628d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek if (allmulti) { 2629d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_ALL_MULTICAST); 2630d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek } else if (mc_count) { 263122bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko struct netdev_hw_addr *ha; 263222bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko int i = 0; 2633d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek 2634d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_MULTICAST); 2635d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->numaddr = cpu_to_le16(mc_count); 263622bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko netdev_hw_addr_list_for_each(ha, mc_list) { 263722bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko memcpy(cmd->addr[i], ha->addr, ETH_ALEN); 2638a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2639a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2641e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return &cmd->header; 2642a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 264555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_GET_STAT. 2646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 264755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_get_stat { 2648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 stats[64]; 2650ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_ACK_FAILURE 9 2653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_RTS_FAILURE 12 2654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_FCS_ERROR 24 2655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_RTS_SUCCESS 11 2656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 265755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_get_stat(struct ieee80211_hw *hw, 265855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct ieee80211_low_level_stats *stats) 2659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 266055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_get_stat *cmd; 2661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_STAT); 2668a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2671a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 2672a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11ACKFailureCount = 2673a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_ACK_FAILURE]); 2674a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11RTSFailureCount = 2675a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_FAILURE]); 2676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11FCSErrorCount = 2677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_FCS_ERROR]); 2678a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11RTSSuccessCount = 2679a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_SUCCESS]); 2680a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2681a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2683a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2684a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2685a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2686a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 268755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_RADIO_CONTROL. 2688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 268955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_radio_control { 2690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2691a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 control; 2693a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 radio_on; 2694ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2695a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2696c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhekstatic int 269755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekmwl8k_cmd_radio_control(struct ieee80211_hw *hw, bool enable, bool force) 2698a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2699a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 270055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_radio_control *cmd; 2701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2702a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2703c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek if (enable == priv->radio_on && !force) 2704a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 2705a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2707a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2708a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2709a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2710a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RADIO_CONTROL); 2711a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2712a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 271368ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek cmd->control = cpu_to_le16(priv->radio_short_preamble ? 3 : 1); 2714a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->radio_on = cpu_to_le16(enable ? 0x0001 : 0x0000); 2715a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2716a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2717a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2719a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) 2720c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek priv->radio_on = enable; 2721a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2722a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2723a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 272555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_radio_disable(struct ieee80211_hw *hw) 2726c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek{ 272755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_radio_control(hw, 0, 0); 2728c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek} 2729c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek 273055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_radio_enable(struct ieee80211_hw *hw) 2731c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek{ 273255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_radio_control(hw, 1, 0); 2733c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek} 2734c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek 2735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 2736a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_set_radio_preamble(struct ieee80211_hw *hw, bool short_preamble) 2737a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 273899200a992e365a73dc67a6570524e5f3af4386ddLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2739a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 274068ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek priv->radio_short_preamble = short_preamble; 2741a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 274255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_radio_control(hw, 1, 1); 2743a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2745a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 274655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_RF_TX_POWER. 2747a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 274841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_RF_TX_POWER_LEVEL_TOTAL 8 2749a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 275055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_rf_tx_power { 2751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2752a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 support_level; 2754a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 current_level; 2755a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 reserved; 275641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 power_level_list[MWL8K_RF_TX_POWER_LEVEL_TOTAL]; 2757ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 275955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_rf_tx_power(struct ieee80211_hw *hw, int dBm) 2760a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 276155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_rf_tx_power *cmd; 2762a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2763a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2764a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2765a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2766a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2767a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2768a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RF_TX_POWER); 2769a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2770a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 2771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->support_level = cpu_to_le16(dBm); 2772a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2773a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2774a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2775a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2776a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2777a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2778a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2779a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 278041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam * CMD_TX_POWER. 278141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam */ 278241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_TX_POWER_LEVEL_TOTAL 12 278341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 278441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadamstruct mwl8k_cmd_tx_power { 278541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam struct mwl8k_cmd_pkt header; 278641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 action; 278741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 band; 278841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 channel; 278941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 bw; 279041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 sub_ch; 279141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 power_level_list[MWL8K_TX_POWER_LEVEL_TOTAL]; 2792ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar} __packed; 279341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 279441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadamstatic int mwl8k_cmd_tx_power(struct ieee80211_hw *hw, 279541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam struct ieee80211_conf *conf, 279641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam unsigned short pwr) 279741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam{ 279841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam struct ieee80211_channel *channel = conf->channel; 279941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam struct mwl8k_cmd_tx_power *cmd; 280041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam int rc; 280141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam int i; 280241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 280341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 280441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam if (cmd == NULL) 280541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam return -ENOMEM; 280641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 280741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_TX_POWER); 280841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 280941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->action = cpu_to_le16(MWL8K_CMD_SET_LIST); 281041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 281141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam if (channel->band == IEEE80211_BAND_2GHZ) 281241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->band = cpu_to_le16(0x1); 281341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam else if (channel->band == IEEE80211_BAND_5GHZ) 281441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->band = cpu_to_le16(0x4); 281541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 2816604c4ef1c453a1b2ea2cdf04d2b49afec421ebfaYogesh Ashok Powar cmd->channel = cpu_to_le16(channel->hw_value); 281741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 281841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam if (conf->channel_type == NL80211_CHAN_NO_HT || 281941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam conf->channel_type == NL80211_CHAN_HT20) { 282041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->bw = cpu_to_le16(0x2); 282141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam } else { 282241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->bw = cpu_to_le16(0x4); 282341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam if (conf->channel_type == NL80211_CHAN_HT40MINUS) 282441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->sub_ch = cpu_to_le16(0x3); 282541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam else if (conf->channel_type == NL80211_CHAN_HT40PLUS) 282641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->sub_ch = cpu_to_le16(0x1); 282741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam } 282841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 282941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam for (i = 0; i < MWL8K_TX_POWER_LEVEL_TOTAL; i++) 283041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->power_level_list[i] = cpu_to_le16(pwr); 283141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 283241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam rc = mwl8k_post_cmd(hw, &cmd->header); 283341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam kfree(cmd); 283441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 283541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam return rc; 283641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam} 283741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 283841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam/* 283908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek * CMD_RF_ANTENNA. 284008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek */ 284108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhekstruct mwl8k_cmd_rf_antenna { 284208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek struct mwl8k_cmd_pkt header; 284308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek __le16 antenna; 284408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek __le16 mode; 2845ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 284608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 284708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek#define MWL8K_RF_ANTENNA_RX 1 284808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek#define MWL8K_RF_ANTENNA_TX 2 284908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 285008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhekstatic int 285108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhekmwl8k_cmd_rf_antenna(struct ieee80211_hw *hw, int antenna, int mask) 285208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek{ 285308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek struct mwl8k_cmd_rf_antenna *cmd; 285408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek int rc; 285508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 285608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 285708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek if (cmd == NULL) 285808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek return -ENOMEM; 285908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 286008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RF_ANTENNA); 286108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 286208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->antenna = cpu_to_le16(antenna); 286308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->mode = cpu_to_le16(mask); 286408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 286508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 286608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek kfree(cmd); 286708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 286808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek return rc; 286908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek} 287008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 287108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek/* 2872b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * CMD_SET_BEACON. 2873b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek */ 2874b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstruct mwl8k_cmd_set_beacon { 2875b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_pkt header; 2876b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek __le16 beacon_len; 2877b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek __u8 beacon[0]; 2878b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek}; 2879b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2880aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhekstatic int mwl8k_cmd_set_beacon(struct ieee80211_hw *hw, 2881aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek struct ieee80211_vif *vif, u8 *beacon, int len) 2882b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 2883b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_set_beacon *cmd; 2884b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rc; 2885b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2886b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd = kzalloc(sizeof(*cmd) + len, GFP_KERNEL); 2887b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (cmd == NULL) 2888b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return -ENOMEM; 2889b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2890b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_BEACON); 2891b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd) + len); 2892b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->beacon_len = cpu_to_le16(len); 2893b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek memcpy(cmd->beacon, beacon, len); 2894b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2895aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 2896b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek kfree(cmd); 2897b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2898b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return rc; 2899b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 2900b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2901b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek/* 2902a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_PRE_SCAN. 2903a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2904a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_pre_scan { 2905a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2906ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2907a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2908a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_pre_scan(struct ieee80211_hw *hw) 2909a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2910a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_pre_scan *cmd; 2911a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2912a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2913a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2914a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2915a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2916a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2917a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_PRE_SCAN); 2918a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2919a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2920a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2921a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2922a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2923a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2924a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2925a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2926a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2927a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_POST_SCAN. 2928a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2929a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_post_scan { 2930a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2931a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 isibss; 2932d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 bssid[ETH_ALEN]; 2933ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2934a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2935a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 29360a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhekmwl8k_cmd_set_post_scan(struct ieee80211_hw *hw, const __u8 *mac) 2937a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2938a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_post_scan *cmd; 2939a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2940a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2941a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2942a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2943a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2944a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2945a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_POST_SCAN); 2946a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2947a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->isibss = 0; 2948d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memcpy(cmd->bssid, mac, ETH_ALEN); 2949a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2950a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2951a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2952a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2953a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2954a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2955a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2956a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2957a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_RF_CHANNEL. 2958a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2959a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_rf_channel { 2960a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2961a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2962a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 current_channel; 2963a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 channel_flags; 2964ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2965a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2966a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_rf_channel(struct ieee80211_hw *hw, 2967610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek struct ieee80211_conf *conf) 2968a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2969610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek struct ieee80211_channel *channel = conf->channel; 2970a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_rf_channel *cmd; 2971a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2972a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2973a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2974a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2975a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2976a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2977a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RF_CHANNEL); 2978a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2979a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 2980a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->current_channel = channel->hw_value; 2981610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek 2982a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (channel->band == IEEE80211_BAND_2GHZ) 2983610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x00000001); 298442574ea2274ec0a2a9c58ab01be91b65e60a2291Lennert Buytenhek else if (channel->band == IEEE80211_BAND_5GHZ) 298542574ea2274ec0a2a9c58ab01be91b65e60a2291Lennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x00000004); 2986610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek 2987610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek if (conf->channel_type == NL80211_CHAN_NO_HT || 2988610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek conf->channel_type == NL80211_CHAN_HT20) 2989610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x00000080); 2990610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek else if (conf->channel_type == NL80211_CHAN_HT40MINUS) 2991610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x000001900); 2992610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek else if (conf->channel_type == NL80211_CHAN_HT40PLUS) 2993610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x000000900); 2994a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2995a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2996a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2997a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2998a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2999a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3000a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3001a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 300255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_AID. 3003a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 300455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_DISABLED 0x00 300555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_11G 0x07 300655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY 0x02 300755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_11N_HT_ALL 0x06 3008a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 300955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_update_set_aid { 301055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 301155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 aid; 3012a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 301355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* AP's MAC address (BSSID) */ 301455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 bssid[ETH_ALEN]; 301555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 protection_mode; 301655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 supp_rates[14]; 3017ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3018a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3019c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhekstatic void legacy_rate_mask_to_array(u8 *rates, u32 mask) 3020c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek{ 3021c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek int i; 3022c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek int j; 3023c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 3024c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek /* 3025c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek * Clear nonstandard rates 4 and 13. 3026c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek */ 3027c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek mask &= 0x1fef; 3028c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 3029c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek for (i = 0, j = 0; i < 14; i++) { 3030c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek if (mask & (1 << i)) 3031777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek rates[j++] = mwl8k_rates_24[i].hw_value; 3032c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek } 3033c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek} 3034c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 303555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int 3036c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhekmwl8k_cmd_set_aid(struct ieee80211_hw *hw, 3037c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek struct ieee80211_vif *vif, u32 legacy_rate_mask) 3038a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 303955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_update_set_aid *cmd; 304055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek u16 prot_mode; 3041a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3042a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3043a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3044a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3045a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3046a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 304755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_AID); 3048a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 30497dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek cmd->aid = cpu_to_le16(vif->bss_conf.aid); 30500a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhek memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 3051a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 30527dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek if (vif->bss_conf.use_cts_prot) { 305355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11G; 305455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } else { 30557dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek switch (vif->bss_conf.ht_operation_mode & 305655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek IEEE80211_HT_OP_MODE_PROTECTION) { 305755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: 305855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY; 305955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek break; 306055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: 306155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11N_HT_ALL; 306255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek break; 306355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek default: 306455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_DISABLED; 306555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek break; 306655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } 306755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } 306855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->protection_mode = cpu_to_le16(prot_mode); 3069a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3070c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek legacy_rate_mask_to_array(cmd->supp_rates, legacy_rate_mask); 3071a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3072a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3073a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3074a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3075a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3076a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3077a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3078a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 307955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_RATE. 308032060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek */ 308155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_rate { 308255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 308355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 legacy_rates[14]; 308455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 308555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* Bitmap for supported MCS codes. */ 308655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 mcs_set[16]; 308755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 reserved[16]; 3088ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 308932060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 309055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int 3091c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhekmwl8k_cmd_set_rate(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 309213935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek u32 legacy_rate_mask, u8 *mcs_rates) 309332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek{ 309455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_rate *cmd; 309532060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek int rc; 309632060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 309732060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 309832060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek if (cmd == NULL) 309932060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek return -ENOMEM; 310032060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 310155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATE); 310232060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3103c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek legacy_rate_mask_to_array(cmd->legacy_rates, legacy_rate_mask); 310413935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(cmd->mcs_set, mcs_rates, 16); 310532060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 310632060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 310732060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek kfree(cmd); 310832060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 310932060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek return rc; 311032060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek} 311132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 311232060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek/* 311355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_FINALIZE_JOIN. 3114a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 311555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FJ_BEACON_MAXLEN 128 311655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 311755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_finalize_join { 3118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 311955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 sleep_interval; /* Number of beacon periods to sleep */ 312055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 beacon_data[MWL8K_FJ_BEACON_MAXLEN]; 3121ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 312355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_finalize_join(struct ieee80211_hw *hw, void *frame, 312455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int framelen, int dtim) 3125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 312655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_finalize_join *cmd; 312755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct ieee80211_mgmt *payload = frame; 312855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int payload_len; 3129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3130a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3131a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3132a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3134a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 313555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_FINALIZE_JOIN); 3136a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 313755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->sleep_interval = cpu_to_le32(dtim ? dtim : 1); 313855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 313955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek payload_len = framelen - ieee80211_hdrlen(payload->frame_control); 314055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (payload_len < 0) 314155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek payload_len = 0; 314255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek else if (payload_len > MWL8K_FJ_BEACON_MAXLEN) 314355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek payload_len = MWL8K_FJ_BEACON_MAXLEN; 314455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 314555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek memcpy(cmd->beacon_data, &payload->u.beacon, payload_len); 3146a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3147a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3149a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3150a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3151a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3153a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 315455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_RTS_THRESHOLD. 3155a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 315655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_rts_threshold { 3157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 3158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 315955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 threshold; 3160ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3162c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhekstatic int 3163c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhekmwl8k_cmd_set_rts_threshold(struct ieee80211_hw *hw, int rts_thresh) 3164a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 316555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_rts_threshold *cmd; 3166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3168a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3169a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 317255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RTS_THRESHOLD); 3173a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3174c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 3175c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek cmd->threshold = cpu_to_le16(rts_thresh); 3176a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3177a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3178a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3179a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3181a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3183a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 318455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_SLOT. 3185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 318655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_slot { 3187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 3188a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 318955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 short_slot; 3190ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3191a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 319255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_slot(struct ieee80211_hw *hw, bool short_slot_time) 3193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 319455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_slot *cmd; 3195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3198a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3200a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 320155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_SLOT); 3202a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 320355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 320455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->short_slot = short_slot_time; 3205a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3208a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3209a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3210a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3211a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3212a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 3213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_EDCA_PARAMS. 3214a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 3215a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_edca_params { 3216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 3217a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3218a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* See MWL8K_SET_EDCA_XXX below */ 3219a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 3220a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3221a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* TX opportunity in units of 32 us */ 3222a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 txop; 3223a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 32242e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek union { 32252e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek struct { 32262e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of max contention period: 0...15 */ 32272e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __le32 log_cw_max; 32282e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek 32292e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of min contention period: 0...15 */ 32302e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __le32 log_cw_min; 32312e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek 32322e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Adaptive interframe spacing in units of 32us */ 32332e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 aifs; 32342e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek 32352e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* TX queue to configure */ 32362e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 txq; 32372e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } ap; 32382e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek struct { 32392e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of max contention period: 0...15 */ 32402e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 log_cw_max; 3241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 32422e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of min contention period: 0...15 */ 32432e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 log_cw_min; 3244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 32452e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Adaptive interframe spacing in units of 32us */ 32462e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 aifs; 3247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 32482e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* TX queue to configure */ 32492e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 txq; 32502e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } sta; 32512e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek }; 3252ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3253a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_CW 0x01 3255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_TXOP 0x02 3256a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_AIFS 0x04 3257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3258a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_ALL (MWL8K_SET_EDCA_CW | \ 3259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_SET_EDCA_TXOP | \ 3260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_SET_EDCA_AIFS) 3261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 326355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekmwl8k_cmd_set_edca_params(struct ieee80211_hw *hw, __u8 qnum, 326455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u16 cw_min, __u16 cw_max, 326555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 aifs, __u16 txop) 3266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 32672e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_edca_params *cmd; 3269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3270a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3272a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3273a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3275a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_EDCA_PARAMS); 3276a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3277a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_SET_EDCA_ALL); 3278a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->txop = cpu_to_le16(txop); 32792e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek if (priv->ap_fw) { 32802e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.log_cw_max = cpu_to_le32(ilog2(cw_max + 1)); 32812e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.log_cw_min = cpu_to_le32(ilog2(cw_min + 1)); 32822e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.aifs = aifs; 32832e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.txq = qnum; 32842e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } else { 32852e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.log_cw_max = (u8)ilog2(cw_max + 1); 32862e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.log_cw_min = (u8)ilog2(cw_min + 1); 32872e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.aifs = aifs; 32882e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.txq = qnum; 32892e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } 3290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3292a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3294a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3295a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3296a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3297a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 329855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_WMM_MODE. 3299a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 330055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_wmm_mode { 3301a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 330255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 action; 3303ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3304a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 330555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_wmm_mode(struct ieee80211_hw *hw, bool enable) 3306a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 330755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 330855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_wmm_mode *cmd; 3309a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3310a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3311a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3312a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3313a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3314a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 331555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_WMM_MODE); 3316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 331755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le16(!!enable); 3318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3319a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 332116cec43da50c4b4702653ca710549fd3457a4e6cLennert Buytenhek 332255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (!rc) 332355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek priv->wmm_enabled = enable; 3324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 332955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_MIMO_CONFIG. 3330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 333155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_mimo_config { 333255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 333355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 action; 333455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 rx_antenna_map; 333555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 tx_antenna_map; 3336ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 333855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_mimo_config(struct ieee80211_hw *hw, __u8 rx, __u8 tx) 3339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 334055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_mimo_config *cmd; 3341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 334755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_MIMO_CONFIG); 3348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 334955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le32((u32)MWL8K_CMD_SET); 335055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->rx_antenna_map = rx; 335155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->tx_antenna_map = tx; 3352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3353a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3354a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3357a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3358a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3359a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 3360b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek * CMD_USE_FIXED_RATE (STA version). 3361a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 3362b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhekstruct mwl8k_cmd_use_fixed_rate_sta { 3363b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek struct mwl8k_cmd_pkt header; 3364b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 action; 3365b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 allow_rate_drop; 3366b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 num_rates; 3367b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek struct { 3368b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 is_ht_rate; 3369b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 enable_retry; 3370b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 rate; 3371b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 retry_count; 3372b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek } rate_entry[8]; 3373b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 rate_type; 3374b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 reserved1; 3375b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 reserved2; 3376ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3378b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek#define MWL8K_USE_AUTO_RATE 0x0002 3379b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek#define MWL8K_UCAST_RATE 0 3380a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3381b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhekstatic int mwl8k_cmd_use_fixed_rate_sta(struct ieee80211_hw *hw) 3382a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3383b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek struct mwl8k_cmd_use_fixed_rate_sta *cmd; 3384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3386a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3388a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3389a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE); 3391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3392b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek cmd->action = cpu_to_le32(MWL8K_USE_AUTO_RATE); 3393b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek cmd->rate_type = cpu_to_le32(MWL8K_UCAST_RATE); 3394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3397a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 340155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 3402088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek * CMD_USE_FIXED_RATE (AP version). 3403088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek */ 3404088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhekstruct mwl8k_cmd_use_fixed_rate_ap { 3405088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek struct mwl8k_cmd_pkt header; 3406088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 action; 3407088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 allow_rate_drop; 3408088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 num_rates; 3409088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek struct mwl8k_rate_entry_ap { 3410088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 is_ht_rate; 3411088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 enable_retry; 3412088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 rate; 3413088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 retry_count; 3414088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek } rate_entry[4]; 3415088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek u8 multicast_rate; 3416088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek u8 multicast_rate_type; 3417088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek u8 management_rate; 3418ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3419088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3420088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhekstatic int 3421088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhekmwl8k_cmd_use_fixed_rate_ap(struct ieee80211_hw *hw, int mcast, int mgmt) 3422088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek{ 3423088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek struct mwl8k_cmd_use_fixed_rate_ap *cmd; 3424088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek int rc; 3425088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3426088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3427088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek if (cmd == NULL) 3428088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek return -ENOMEM; 3429088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3430088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE); 3431088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3432088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->action = cpu_to_le32(MWL8K_USE_AUTO_RATE); 3433088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->multicast_rate = mcast; 3434088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->management_rate = mgmt; 3435088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3436088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3437088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek kfree(cmd); 3438088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3439088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek return rc; 3440088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek} 3441088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3442088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek/* 344355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_ENABLE_SNIFFER. 344455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 344555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_enable_sniffer { 344655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 344755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 action; 3448ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 344955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 345055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_enable_sniffer(struct ieee80211_hw *hw, bool enable) 345155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 345255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_enable_sniffer *cmd; 345355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 345455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 345555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 345655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 345755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 345855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 345955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_ENABLE_SNIFFER); 346055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 346155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le32(!!enable); 346255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 346355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 346455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 346555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 346655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 346755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 346855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 3469197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powarstruct mwl8k_cmd_update_mac_addr { 347055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 347155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek union { 347255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct { 347355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 mac_type; 347455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 mac_addr[ETH_ALEN]; 347555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } mbss; 347655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 mac_addr[ETH_ALEN]; 347755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek }; 3478ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 347955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 3480ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek#define MWL8K_MAC_TYPE_PRIMARY_CLIENT 0 3481ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek#define MWL8K_MAC_TYPE_SECONDARY_CLIENT 1 3482ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek#define MWL8K_MAC_TYPE_PRIMARY_AP 2 3483ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek#define MWL8K_MAC_TYPE_SECONDARY_AP 3 3484a9e00b151ec2121b7ae09d84a2b5a68b6461e98aLennert Buytenhek 3485197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powarstatic int mwl8k_cmd_update_mac_addr(struct ieee80211_hw *hw, 3486197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar struct ieee80211_vif *vif, u8 *mac, bool set) 348755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 348855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3489ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 3490197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar struct mwl8k_cmd_update_mac_addr *cmd; 3491ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek int mac_type; 349255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 349355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 3494ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_PRIMARY_AP; 3495ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek if (vif != NULL && vif->type == NL80211_IFTYPE_STATION) { 3496ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek if (mwl8k_vif->macid + 1 == ffs(priv->sta_macids_supported)) 3497ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_PRIMARY_CLIENT; 3498ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek else 3499ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_SECONDARY_CLIENT; 3500ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek } else if (vif != NULL && vif->type == NL80211_IFTYPE_AP) { 3501ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek if (mwl8k_vif->macid + 1 == ffs(priv->ap_macids_supported)) 3502ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_PRIMARY_AP; 3503ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek else 3504ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_SECONDARY_AP; 3505ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek } 3506ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek 350755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 350855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 350955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 351055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 3511197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar if (set) 3512197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_MAC_ADDR); 3513197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar else 3514197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar cmd->header.code = cpu_to_le16(MWL8K_CMD_DEL_MAC_ADDR); 3515197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar 351655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 351755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (priv->ap_fw) { 3518ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek cmd->mbss.mac_type = cpu_to_le16(mac_type); 351955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek memcpy(cmd->mbss.mac_addr, mac, ETH_ALEN); 352055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } else { 352155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek memcpy(cmd->mac_addr, mac, ETH_ALEN); 352255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } 352355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 3524aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 352555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 352655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 352755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 352855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 352955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 353055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 3531197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar * MWL8K_CMD_SET_MAC_ADDR. 3532197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar */ 3533197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powarstatic inline int mwl8k_cmd_set_mac_addr(struct ieee80211_hw *hw, 3534197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar struct ieee80211_vif *vif, u8 *mac) 3535197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar{ 3536197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar return mwl8k_cmd_update_mac_addr(hw, vif, mac, true); 3537197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar} 3538197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar 3539197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar/* 3540197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar * MWL8K_CMD_DEL_MAC_ADDR. 3541197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar */ 3542197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powarstatic inline int mwl8k_cmd_del_mac_addr(struct ieee80211_hw *hw, 3543197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar struct ieee80211_vif *vif, u8 *mac) 3544197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar{ 3545197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar return mwl8k_cmd_update_mac_addr(hw, vif, mac, false); 3546197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar} 3547197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar 3548197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar/* 354955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_RATEADAPT_MODE. 355055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 355155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_rate_adapt_mode { 355255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 355355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 action; 355455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 mode; 3555ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 355655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 355755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_rateadapt_mode(struct ieee80211_hw *hw, __u16 mode) 355855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 355955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_rate_adapt_mode *cmd; 356055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 356155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 356255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 356355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 356455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 356555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 356655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATEADAPT_MODE); 356755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 356855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 356955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->mode = cpu_to_le16(mode); 357055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 357155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 357255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 357355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 357455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 357555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 357655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 357755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 35783aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam * CMD_GET_WATCHDOG_BITMAP. 35793aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam */ 35803aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadamstruct mwl8k_cmd_get_watchdog_bitmap { 35813aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam struct mwl8k_cmd_pkt header; 35823aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam u8 bitmap; 35833aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam} __packed; 35843aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35853aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadamstatic int mwl8k_cmd_get_watchdog_bitmap(struct ieee80211_hw *hw, u8 *bitmap) 35863aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam{ 35873aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam struct mwl8k_cmd_get_watchdog_bitmap *cmd; 35883aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam int rc; 35893aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35903aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 35913aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (cmd == NULL) 35923aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam return -ENOMEM; 35933aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35943aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_WATCHDOG_BITMAP); 35953aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 35963aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35973aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam rc = mwl8k_post_cmd(hw, &cmd->header); 35983aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (!rc) 35993aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam *bitmap = cmd->bitmap; 36003aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 36013aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam kfree(cmd); 36023aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 36033aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam return rc; 36043aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam} 36053aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 3606cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar#define MWL8K_WMM_QUEUE_NUMBER 3 3607cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar 3608cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powarstatic void mwl8k_destroy_ba(struct ieee80211_hw *hw, 3609cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar u8 idx); 3610cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar 36113aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadamstatic void mwl8k_watchdog_ba_events(struct work_struct *work) 36123aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam{ 36133aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam int rc; 36143aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam u8 bitmap = 0, stream_index; 36153aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam struct mwl8k_ampdu_stream *streams; 36163aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam struct mwl8k_priv *priv = 36173aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam container_of(work, struct mwl8k_priv, watchdog_ba_handle); 3618cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar struct ieee80211_hw *hw = priv->hw; 3619cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar int i; 3620cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar u32 status = 0; 3621cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar 3622cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar mwl8k_fw_lock(hw); 36233aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 36243aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam rc = mwl8k_cmd_get_watchdog_bitmap(priv->hw, &bitmap); 36253aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (rc) 3626cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar goto done; 36273aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 3628cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar spin_lock(&priv->stream_lock); 36293aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 36303aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam /* the bitmap is the hw queue number. Map it to the ampdu queue. */ 3631cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar for (i = 0; i < TOTAL_HW_TX_QUEUES; i++) { 3632cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar if (bitmap & (1 << i)) { 3633cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar stream_index = (i + MWL8K_WMM_QUEUE_NUMBER) % 3634cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar TOTAL_HW_TX_QUEUES; 3635cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar streams = &priv->ampdu[stream_index]; 3636cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar if (streams->state == AMPDU_STREAM_ACTIVE) { 3637cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar ieee80211_stop_tx_ba_session(streams->sta, 3638cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar streams->tid); 3639cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar spin_unlock(&priv->stream_lock); 3640cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar mwl8k_destroy_ba(hw, stream_index); 3641cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar spin_lock(&priv->stream_lock); 3642cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar } 3643cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar } 3644cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar } 36453aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 3646cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar spin_unlock(&priv->stream_lock); 3647cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powardone: 3648cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar status = ioread32(priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 3649cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar iowrite32((status | MWL8K_A2H_INT_BA_WATCHDOG), 3650cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 3651cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar mwl8k_fw_unlock(hw); 36523aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam return; 36533aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam} 36543aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 36553aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 36563aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam/* 3657b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * CMD_BSS_START. 3658b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek */ 3659b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstruct mwl8k_cmd_bss_start { 3660b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_pkt header; 3661b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek __le32 enable; 3662ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3663b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3664aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhekstatic int mwl8k_cmd_bss_start(struct ieee80211_hw *hw, 3665aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek struct ieee80211_vif *vif, int enable) 3666b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 3667b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_bss_start *cmd; 3668b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rc; 3669b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3670b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3671b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (cmd == NULL) 3672b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return -ENOMEM; 3673b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3674b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_BSS_START); 3675b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3676b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->enable = cpu_to_le32(enable); 3677b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3678aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 3679b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek kfree(cmd); 3680b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3681b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return rc; 3682b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 3683b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3684b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek/* 36855faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam * CMD_BASTREAM. 36865faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam */ 36875faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36885faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam/* 36895faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam * UPSTREAM is tx direction 36905faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam */ 36915faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam#define BASTREAM_FLAG_DIRECTION_UPSTREAM 0x00 36925faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam#define BASTREAM_FLAG_IMMEDIATE_TYPE 0x01 36935faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 3694ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powarenum ba_stream_action_type { 36955faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_CREATE, 36965faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_UPDATE, 36975faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_DESTROY, 36985faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_FLUSH, 36995faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_CHECK, 3700ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar}; 37015faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37025faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37035faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstruct mwl8k_create_ba_stream { 37045faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 flags; 37055faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 idle_thrs; 37065faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 bar_thrs; 37075faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 window_size; 37085faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 peer_mac_addr[6]; 37095faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 dialog_token; 37105faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 tid; 37115faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 queue_id; 37125faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 param_info; 37135faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 ba_context; 37145faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 reset_seq_no_flag; 37155faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le16 curr_seq_no; 37165faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 sta_src_mac_addr[6]; 37175faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} __packed; 37185faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37195faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstruct mwl8k_destroy_ba_stream { 37205faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 flags; 37215faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 ba_context; 37225faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} __packed; 37235faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37245faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstruct mwl8k_cmd_bastream { 37255faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_cmd_pkt header; 37265faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 action; 37275faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam union { 37285faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_create_ba_stream create_params; 37295faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_destroy_ba_stream destroy_params; 37305faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam }; 37315faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} __packed; 37325faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37335faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstatic int 3734f95275c48b60fc486517f05da0800357dfd3ce2fYogesh Ashok Powarmwl8k_check_ba(struct ieee80211_hw *hw, struct mwl8k_ampdu_stream *stream, 3735f95275c48b60fc486517f05da0800357dfd3ce2fYogesh Ashok Powar struct ieee80211_vif *vif) 37365faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam{ 37375faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_cmd_bastream *cmd; 37385faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam int rc; 37395faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37405faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 37415faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam if (cmd == NULL) 37425faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return -ENOMEM; 37435faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37445faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_BASTREAM); 37455faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 37465faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37475faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_BA_CHECK); 37485faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37495faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.queue_id = stream->idx; 37505faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam memcpy(&cmd->create_params.peer_mac_addr[0], stream->sta->addr, 37515faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam ETH_ALEN); 37525faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.tid = stream->tid; 37535faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37545faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.flags = 37555faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cpu_to_le32(BASTREAM_FLAG_IMMEDIATE_TYPE) | 37565faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cpu_to_le32(BASTREAM_FLAG_DIRECTION_UPSTREAM); 37575faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 3758f95275c48b60fc486517f05da0800357dfd3ce2fYogesh Ashok Powar rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 37595faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37605faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam kfree(cmd); 37615faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37625faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return rc; 37635faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} 37645faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37655faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstatic int 37665faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadammwl8k_create_ba(struct ieee80211_hw *hw, struct mwl8k_ampdu_stream *stream, 3767f95275c48b60fc486517f05da0800357dfd3ce2fYogesh Ashok Powar u8 buf_size, struct ieee80211_vif *vif) 37685faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam{ 37695faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_cmd_bastream *cmd; 37705faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam int rc; 37715faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37725faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 37735faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam if (cmd == NULL) 37745faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return -ENOMEM; 37755faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37765faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37775faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_BASTREAM); 37785faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 37795faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37805faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_BA_CREATE); 37815faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37825faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.bar_thrs = cpu_to_le32((u32)buf_size); 37835faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.window_size = cpu_to_le32((u32)buf_size); 37845faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.queue_id = stream->idx; 37855faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37865faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam memcpy(cmd->create_params.peer_mac_addr, stream->sta->addr, ETH_ALEN); 37875faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.tid = stream->tid; 37885faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.curr_seq_no = cpu_to_le16(0); 37895faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.reset_seq_no_flag = 1; 37905faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37915faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.param_info = 37925faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam (stream->sta->ht_cap.ampdu_factor & 37935faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam IEEE80211_HT_AMPDU_PARM_FACTOR) | 37945faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam ((stream->sta->ht_cap.ampdu_density << 2) & 37955faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam IEEE80211_HT_AMPDU_PARM_DENSITY); 37965faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37975faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.flags = 37985faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cpu_to_le32(BASTREAM_FLAG_IMMEDIATE_TYPE | 37995faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam BASTREAM_FLAG_DIRECTION_UPSTREAM); 38005faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 3801f95275c48b60fc486517f05da0800357dfd3ce2fYogesh Ashok Powar rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 38025faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 38035faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam wiphy_debug(hw->wiphy, "Created a BA stream for %pM : tid %d\n", 38045faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam stream->sta->addr, stream->tid); 38055faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam kfree(cmd); 38065faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 38075faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return rc; 38085faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} 38095faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 38105faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstatic void mwl8k_destroy_ba(struct ieee80211_hw *hw, 381107f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar u8 idx) 38125faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam{ 38135faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_cmd_bastream *cmd; 38145faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 38155faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 38165faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam if (cmd == NULL) 38175faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return; 38185faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 38195faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_BASTREAM); 38205faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 38215faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_BA_DESTROY); 38225faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 382307f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar cmd->destroy_params.ba_context = cpu_to_le32(idx); 38245faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam mwl8k_post_cmd(hw, &cmd->header); 38255faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 382607f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar wiphy_debug(hw->wiphy, "Deleted BA stream index %d\n", idx); 38275faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 38285faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam kfree(cmd); 38295faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} 38305faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 38315faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam/* 38323f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek * CMD_SET_NEW_STN. 38333f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek */ 38343f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhekstruct mwl8k_cmd_set_new_stn { 38353f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct mwl8k_cmd_pkt header; 38363f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 aid; 38373f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 mac_addr[6]; 38383f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 stn_id; 38393f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 action; 38403f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 rsvd; 38413f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le32 legacy_rates; 38423f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 ht_rates[4]; 38433f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 cap_info; 38443f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 ht_capabilities_info; 38453f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 mac_ht_param_info; 38463f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 rev; 38473f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 control_channel; 38483f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 add_channel; 38493f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 op_mode; 38503f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 stbc; 38513f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 add_qos_info; 38523f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 is_qos_sta; 38533f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le32 fw_sta_ptr; 3854ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 38553f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 38563f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek#define MWL8K_STA_ACTION_ADD 0 38573f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek#define MWL8K_STA_ACTION_REMOVE 2 38583f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 38593f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhekstatic int mwl8k_cmd_set_new_stn_add(struct ieee80211_hw *hw, 38603f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct ieee80211_vif *vif, 38613f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct ieee80211_sta *sta) 38623f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek{ 38633f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct mwl8k_cmd_set_new_stn *cmd; 38648707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek u32 rates; 38653f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek int rc; 38663f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 38673f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 38683f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek if (cmd == NULL) 38693f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek return -ENOMEM; 38703f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 38713f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_NEW_STN); 38723f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 38733f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->aid = cpu_to_le16(sta->aid); 38743f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek memcpy(cmd->mac_addr, sta->addr, ETH_ALEN); 38753f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->stn_id = cpu_to_le16(sta->aid); 38763f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_STA_ACTION_ADD); 38778707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek if (hw->conf.channel->band == IEEE80211_BAND_2GHZ) 38788707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rates = sta->supp_rates[IEEE80211_BAND_2GHZ]; 38798707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek else 38808707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rates = sta->supp_rates[IEEE80211_BAND_5GHZ] << 5; 38818707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek cmd->legacy_rates = cpu_to_le32(rates); 38823f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek if (sta->ht_cap.ht_supported) { 38833f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_rates[0] = sta->ht_cap.mcs.rx_mask[0]; 38843f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_rates[1] = sta->ht_cap.mcs.rx_mask[1]; 38853f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_rates[2] = sta->ht_cap.mcs.rx_mask[2]; 38863f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_rates[3] = sta->ht_cap.mcs.rx_mask[3]; 38873f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_capabilities_info = cpu_to_le16(sta->ht_cap.cap); 38883f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->mac_ht_param_info = (sta->ht_cap.ampdu_factor & 3) | 38893f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek ((sta->ht_cap.ampdu_density & 7) << 2); 38903f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->is_qos_sta = 1; 38913f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek } 38923f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 3893aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 38943f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek kfree(cmd); 38953f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 38963f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek return rc; 38973f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek} 38983f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 3899b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstatic int mwl8k_cmd_set_new_stn_add_self(struct ieee80211_hw *hw, 3900b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct ieee80211_vif *vif) 3901b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 3902b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_set_new_stn *cmd; 3903b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rc; 3904b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3905b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3906b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (cmd == NULL) 3907b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return -ENOMEM; 3908b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3909b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_NEW_STN); 3910b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3911b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek memcpy(cmd->mac_addr, vif->addr, ETH_ALEN); 3912b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3913aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 3914b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek kfree(cmd); 3915b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3916b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return rc; 3917b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 3918b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 39193f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhekstatic int mwl8k_cmd_set_new_stn_del(struct ieee80211_hw *hw, 39203f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct ieee80211_vif *vif, u8 *addr) 39213f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek{ 39223f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct mwl8k_cmd_set_new_stn *cmd; 39233f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek int rc; 39243f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 39253f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 39263f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek if (cmd == NULL) 39273f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek return -ENOMEM; 39283f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 39293f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_NEW_STN); 39303f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 39313f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek memcpy(cmd->mac_addr, addr, ETH_ALEN); 39323f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_STA_ACTION_REMOVE); 39333f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 3934aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 39353f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek kfree(cmd); 39363f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 39373f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek return rc; 39383f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek} 39393f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 39403f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek/* 3941fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam * CMD_UPDATE_ENCRYPTION. 3942fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam */ 3943fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3944fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MAX_ENCR_KEY_LENGTH 16 3945fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MIC_KEY_LENGTH 8 3946fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3947fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstruct mwl8k_cmd_update_encryption { 3948fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_pkt header; 3949fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3950fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 action; 3951fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 reserved; 3952fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 mac_addr[6]; 3953fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 encr_type; 3954fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3955ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar} __packed; 3956fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3957fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstruct mwl8k_cmd_set_key { 3958fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_pkt header; 3959fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3960fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 action; 3961fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 reserved; 3962fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 length; 3963fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 key_type_id; 3964fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 key_info; 3965fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 key_id; 3966fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 key_len; 3967fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 key_material[MAX_ENCR_KEY_LENGTH]; 3968fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 tkip_tx_mic_key[MIC_KEY_LENGTH]; 3969fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 tkip_rx_mic_key[MIC_KEY_LENGTH]; 3970fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 tkip_rsc_low; 3971fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 tkip_rsc_high; 3972fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 tkip_tsc_low; 3973fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 tkip_tsc_high; 3974fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 mac_addr[6]; 3975ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar} __packed; 3976fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3977fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamenum { 3978fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ENCR_ENABLE, 3979fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ENCR_SET_KEY, 3980fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ENCR_REMOVE_KEY, 3981fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ENCR_SET_GROUP_KEY, 3982fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam}; 3983fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3984fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_WEP 0 3985fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_DISABLE 1 3986fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_TKIP 4 3987fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_MIXED 7 3988fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_AES 8 3989fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3990fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamenum { 3991fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ALG_WEP, 3992fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ALG_TKIP, 3993fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ALG_CCMP, 3994fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam}; 3995fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3996fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_TXGROUPKEY 0x00000004 3997fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_PAIRWISE 0x00000008 3998fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_TSC_VALID 0x00000040 3999fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_WEP_TXKEY 0x01000000 4000fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_MICKEY_VALID 0x02000000 4001fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4002fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_cmd_update_encryption_enable(struct ieee80211_hw *hw, 4003fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_vif *vif, 4004fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr, 4005fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 encr_type) 4006fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 4007fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_update_encryption *cmd; 4008fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int rc; 4009fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4010fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4011fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (cmd == NULL) 4012fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -ENOMEM; 4013fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4014fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_ENCRYPTION); 4015fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 4016fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_ENCR_ENABLE); 4017fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam memcpy(cmd->mac_addr, addr, ETH_ALEN); 4018fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->encr_type = encr_type; 4019fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4020fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 4021fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam kfree(cmd); 4022fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4023fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return rc; 4024fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 4025fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4026fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_encryption_set_cmd_info(struct mwl8k_cmd_set_key *cmd, 4027fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr, 4028fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key) 4029fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 4030fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_ENCRYPTION); 4031fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 4032fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->length = cpu_to_le16(sizeof(*cmd) - 4033fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam offsetof(struct mwl8k_cmd_set_key, length)); 4034fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_id = cpu_to_le32(key->keyidx); 4035fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_len = cpu_to_le16(key->keylen); 4036fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam memcpy(cmd->mac_addr, addr, ETH_ALEN); 4037fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4038fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam switch (key->cipher) { 4039fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_WEP40: 4040fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_WEP104: 4041fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_type_id = cpu_to_le16(MWL8K_ALG_WEP); 4042fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (key->keyidx == 0) 4043fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_info = cpu_to_le32(MWL8K_KEY_FLAG_WEP_TXKEY); 4044fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4045fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4046fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_TKIP: 4047fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_type_id = cpu_to_le16(MWL8K_ALG_TKIP); 4048fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_info = (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 4049fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam ? cpu_to_le32(MWL8K_KEY_FLAG_PAIRWISE) 4050fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam : cpu_to_le32(MWL8K_KEY_FLAG_TXGROUPKEY); 4051fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_info |= cpu_to_le32(MWL8K_KEY_FLAG_MICKEY_VALID 4052fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam | MWL8K_KEY_FLAG_TSC_VALID); 4053fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4054fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_CCMP: 4055fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_type_id = cpu_to_le16(MWL8K_ALG_CCMP); 4056fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_info = (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 4057fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam ? cpu_to_le32(MWL8K_KEY_FLAG_PAIRWISE) 4058fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam : cpu_to_le32(MWL8K_KEY_FLAG_TXGROUPKEY); 4059fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4060fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam default: 4061fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -ENOTSUPP; 4062fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } 4063fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4064fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return 0; 4065fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 4066fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4067fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_cmd_encryption_set_key(struct ieee80211_hw *hw, 4068fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_vif *vif, 4069fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr, 4070fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key) 4071fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 4072fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_set_key *cmd; 4073fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int rc; 4074fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int keymlen; 4075fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u32 action; 4076fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 idx; 4077fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 4078fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4079fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4080fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (cmd == NULL) 4081fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -ENOMEM; 4082fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4083fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_encryption_set_cmd_info(cmd, addr, key); 4084fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc < 0) 4085fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto done; 4086fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4087fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam idx = key->keyidx; 4088fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4089fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 4090fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam action = MWL8K_ENCR_SET_KEY; 4091fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam else 4092fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam action = MWL8K_ENCR_SET_GROUP_KEY; 4093fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4094fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam switch (key->cipher) { 4095fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_WEP40: 4096fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_WEP104: 4097fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (!mwl8k_vif->wep_key_conf[idx].enabled) { 4098fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam memcpy(mwl8k_vif->wep_key_conf[idx].key, key, 4099fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam sizeof(*key) + key->keylen); 4100fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam mwl8k_vif->wep_key_conf[idx].enabled = 1; 4101fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } 4102fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 41039b571e24a9922f79ed2440b4482cb9f11a8f1889Yogesh Ashok Powar keymlen = key->keylen; 4104fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam action = MWL8K_ENCR_SET_KEY; 4105fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4106fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_TKIP: 4107fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam keymlen = MAX_ENCR_KEY_LENGTH + 2 * MIC_KEY_LENGTH; 4108fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4109fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_CCMP: 4110fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam keymlen = key->keylen; 4111fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4112fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam default: 4113fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = -ENOTSUPP; 4114fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto done; 4115fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } 4116fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4117fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam memcpy(cmd->key_material, key->key, keymlen); 4118fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->action = cpu_to_le32(action); 4119fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4120fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 4121fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamdone: 4122fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam kfree(cmd); 4123fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4124fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return rc; 4125fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 4126fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4127fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_cmd_encryption_remove_key(struct ieee80211_hw *hw, 4128fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_vif *vif, 4129fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr, 4130fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key) 4131fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 4132fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_set_key *cmd; 4133fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int rc; 4134fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 4135fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4136fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4137fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (cmd == NULL) 4138fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -ENOMEM; 4139fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4140fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_encryption_set_cmd_info(cmd, addr, key); 4141fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc < 0) 4142fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto done; 4143fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4144fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (key->cipher == WLAN_CIPHER_SUITE_WEP40 || 4145d981e05908f85beb68ae0d935e59c5e399d2136eDan Carpenter key->cipher == WLAN_CIPHER_SUITE_WEP104) 4146fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam mwl8k_vif->wep_key_conf[key->keyidx].enabled = 0; 4147fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4148fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_ENCR_REMOVE_KEY); 4149fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4150fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 4151fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamdone: 4152fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam kfree(cmd); 4153fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4154fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return rc; 4155fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 4156fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4157fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_set_key(struct ieee80211_hw *hw, 4158fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam enum set_key_cmd cmd_param, 4159fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_vif *vif, 4160fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_sta *sta, 4161fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key) 4162fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 4163fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int rc = 0; 4164fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 encr_type; 4165fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr; 4166fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 4167fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4168fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (vif->type == NL80211_IFTYPE_STATION) 4169fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -EOPNOTSUPP; 4170fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4171fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (sta == NULL) 4172ff7e9f99f7effb385a9be2f7198743c1ad2bb126Yogesh Ashok Powar addr = vif->addr; 4173fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam else 4174fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam addr = sta->addr; 4175fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4176fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (cmd_param == SET_KEY) { 4177fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_cmd_encryption_set_key(hw, vif, addr, key); 4178fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc) 4179fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto out; 4180fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4181fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if ((key->cipher == WLAN_CIPHER_SUITE_WEP40) 4182fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam || (key->cipher == WLAN_CIPHER_SUITE_WEP104)) 4183fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam encr_type = MWL8K_UPDATE_ENCRYPTION_TYPE_WEP; 4184fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam else 4185fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam encr_type = MWL8K_UPDATE_ENCRYPTION_TYPE_MIXED; 4186fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4187fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_cmd_update_encryption_enable(hw, vif, addr, 4188fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam encr_type); 4189fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc) 4190fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto out; 4191fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4192fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam mwl8k_vif->is_hw_crypto_enabled = true; 4193fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4194fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } else { 4195fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_cmd_encryption_remove_key(hw, vif, addr, key); 4196fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4197fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc) 4198fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto out; 4199fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } 4200fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamout: 4201fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return rc; 4202fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 4203fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4204fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam/* 420555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_UPDATE_STADB. 420655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 420725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhekstruct ewc_ht_info { 420825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 control1; 420925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 control2; 421025d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 control3; 4211ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 421225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 421325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhekstruct peer_capability_info { 421425d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Peer type - AP vs. STA. */ 421525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 peer_type; 421625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 421725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Basic 802.11 capabilities from assoc resp. */ 421825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 basic_caps; 421925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 422025d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Set if peer supports 802.11n high throughput (HT). */ 422125d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 ht_support; 422225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 422325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Valid if HT is supported. */ 422425d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 ht_caps; 422525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 extended_ht_caps; 422625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek struct ewc_ht_info ewc_info; 422725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 422825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Legacy rate table. Intersection of our rates and peer rates. */ 422925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 legacy_rates[12]; 423025d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 423125d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* HT rate table. Intersection of our rates and peer rates. */ 423225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 ht_rates[16]; 423325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 pad[16]; 423425d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 423525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* If set, interoperability mode, no proprietary extensions. */ 423625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 interop; 423725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 pad2; 423825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 station_id; 423925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 amsdu_enabled; 4240ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 424125d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 424255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_update_stadb { 424355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 424455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 424555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* See STADB_ACTION_TYPE */ 424655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 action; 424755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 424855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* Peer MAC address */ 424955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 peer_addr[ETH_ALEN]; 425055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 425155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 reserved; 425255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 425355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* Peer info - valid during add/update. */ 425455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct peer_capability_info peer_info; 4255ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 425655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 4257a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_STA_DB_MODIFY_ENTRY 1 4258a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_STA_DB_DEL_ENTRY 2 4259a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4260a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek/* Peer Entry flags - used to define the type of the peer node */ 4261a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_PEER_TYPE_ACCESSPOINT 2 4262a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4263a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhekstatic int mwl8k_cmd_update_stadb_add(struct ieee80211_hw *hw, 4264c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek struct ieee80211_vif *vif, 426513935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek struct ieee80211_sta *sta) 426655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 426755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_update_stadb *cmd; 4268a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct peer_capability_info *p; 42698707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek u32 rates; 427055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 427155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 427255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 427355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 427455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 427555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 427655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_STADB); 427755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 4278a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->action = cpu_to_le32(MWL8K_STA_DB_MODIFY_ENTRY); 427913935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(cmd->peer_addr, sta->addr, ETH_ALEN); 428055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 4281a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p = &cmd->peer_info; 4282a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->peer_type = MWL8K_PEER_TYPE_ACCESSPOINT; 4283a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->basic_caps = cpu_to_le16(vif->bss_conf.assoc_capability); 428413935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek p->ht_support = sta->ht_cap.ht_supported; 4285b603742f49c3ec922522602e18ac22e8f6835132John W. Linville p->ht_caps = cpu_to_le16(sta->ht_cap.cap); 428613935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek p->extended_ht_caps = (sta->ht_cap.ampdu_factor & 3) | 428713935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek ((sta->ht_cap.ampdu_density & 7) << 2); 42888707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek if (hw->conf.channel->band == IEEE80211_BAND_2GHZ) 42898707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rates = sta->supp_rates[IEEE80211_BAND_2GHZ]; 42908707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek else 42918707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rates = sta->supp_rates[IEEE80211_BAND_5GHZ] << 5; 42928707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek legacy_rate_mask_to_array(p->legacy_rates, rates); 429313935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(p->ht_rates, sta->ht_cap.mcs.rx_mask, 16); 4294a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->interop = 1; 4295a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->amsdu_enabled = 0; 4296a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4297a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 4298a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek kfree(cmd); 4299a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4300a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek return rc ? rc : p->station_id; 4301a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek} 4302a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4303a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhekstatic int mwl8k_cmd_update_stadb_del(struct ieee80211_hw *hw, 4304a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct ieee80211_vif *vif, u8 *addr) 4305a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek{ 4306a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct mwl8k_cmd_update_stadb *cmd; 4307a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek int rc; 4308a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4309a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4310a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek if (cmd == NULL) 4311a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek return -ENOMEM; 4312a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4313a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_STADB); 4314a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 4315a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->action = cpu_to_le32(MWL8K_STA_DB_DEL_ENTRY); 4316bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek memcpy(cmd->peer_addr, addr, ETH_ALEN); 431755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 4318a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 431955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 432055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 432155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 432255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 432355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 4324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 4326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Interrupt handling. 4327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 4328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic irqreturn_t mwl8k_interrupt(int irq, void *dev_id) 4329a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = dev_id; 4331a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 status; 4333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = ioread32(priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 4335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!status) 4336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return IRQ_NONE; 4337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 43381e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek if (status & MWL8K_A2H_INT_TX_DONE) { 43391e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek status &= ~MWL8K_A2H_INT_TX_DONE; 43401e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_schedule(&priv->poll_tx_task); 43411e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek } 43421e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 4343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_RX_READY) { 434467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek status &= ~MWL8K_A2H_INT_RX_READY; 434567e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_schedule(&priv->poll_rx_task); 4346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4347a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 43483aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (status & MWL8K_A2H_INT_BA_WATCHDOG) { 43493aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam status &= ~MWL8K_A2H_INT_BA_WATCHDOG; 43503aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam ieee80211_queue_work(hw, &priv->watchdog_ba_handle); 43513aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam } 43523aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 435367e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek if (status) 435467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek iowrite32(~status, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 435567e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 4356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_OPC_DONE) { 4357618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (priv->hostcmd_wait != NULL) 4358a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek complete(priv->hostcmd_wait); 4359a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4360a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4361a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_QUEUE_EMPTY) { 4362618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (!mutex_is_locked(&priv->fw_mutex) && 436388de754ad59025eba797e7a8375807755577f450Lennert Buytenhek priv->radio_on && priv->pending_tx_pkts) 4364618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mwl8k_tx_start(priv); 4365a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4367a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return IRQ_HANDLED; 4368a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4369a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 43701e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhekstatic void mwl8k_tx_poll(unsigned long data) 43711e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek{ 43721e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek struct ieee80211_hw *hw = (struct ieee80211_hw *)data; 43731e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 43741e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek int limit; 43751e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek int i; 43761e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 43771e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek limit = 32; 43781e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 43791e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek spin_lock_bh(&priv->tx_lock); 43801e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 4381e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 43821e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek limit -= mwl8k_txq_reclaim(hw, i, limit, 0); 43831e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 43841e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek if (!priv->pending_tx_pkts && priv->tx_wait != NULL) { 43851e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek complete(priv->tx_wait); 43861e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek priv->tx_wait = NULL; 43871e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek } 43881e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 43891e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 43901e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 43911e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek if (limit) { 43921e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek writel(~MWL8K_A2H_INT_TX_DONE, 43931e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 43941e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek } else { 43951e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_schedule(&priv->poll_tx_task); 43961e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek } 43971e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek} 43981e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 439967e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhekstatic void mwl8k_rx_poll(unsigned long data) 440067e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek{ 440167e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek struct ieee80211_hw *hw = (struct ieee80211_hw *)data; 440267e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 440367e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek int limit; 440467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 440567e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek limit = 32; 440667e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek limit -= rxq_process(hw, 0, limit); 440767e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek limit -= rxq_refill(hw, 0, limit); 440867e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 440967e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek if (limit) { 441067e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek writel(~MWL8K_A2H_INT_RX_READY, 441167e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 441267e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek } else { 441367e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_schedule(&priv->poll_rx_task); 441467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek } 441567e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek} 441667e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 4417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 4419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Core driver operations. 4420a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 442136323f817af0376c78612cfdab714b0feb05fea5Thomas Huehnstatic void mwl8k_tx(struct ieee80211_hw *hw, 442236323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn struct ieee80211_tx_control *control, 442336323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn struct sk_buff *skb) 4424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int index = skb_get_queue_mapping(skb); 4427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 44289189c10087a738c764046fa27651d332594cd8e6Lennert Buytenhek if (!priv->radio_on) { 4429c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_debug(hw->wiphy, 4430c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "dropped TX frame since radio disabled\n"); 4431a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(skb); 44327bb4568372856688bc070917265bce0b88bb7d4dJohannes Berg return; 4433a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4434a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 443536323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn mwl8k_txq_xmit(hw, index, control->sta, skb); 4436a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_start(struct ieee80211_hw *hw) 4439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4441a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 4442a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4443a0607fd3a25ba1848a63a0d925e36d914735ab47Joe Perches rc = request_irq(priv->pdev->irq, mwl8k_interrupt, 4444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IRQF_SHARED, MWL8K_NAME, hw); 4445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 4446bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo priv->irq = -1; 44475db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to register IRQ handler\n"); 44482ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek return -EIO; 4449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4450bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo priv->irq = priv->pdev->irq; 4451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 445267e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek /* Enable TX reclaim and RX tasklets. */ 44531e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_enable(&priv->poll_tx_task); 445467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_enable(&priv->poll_rx_task); 44552ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 4456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Enable interrupts */ 4457c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 445812488e01fb2b06bb3f6ee137efc88e29d827817eNishant Sarmukadam iowrite32(MWL8K_A2H_EVENTS, 445912488e01fb2b06bb3f6ee137efc88e29d827817eNishant Sarmukadam priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 4460a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 44612ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_fw_lock(hw); 44622ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) { 446355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_radio_enable(hw); 4464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 44655e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!priv->ap_fw) { 44665e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!rc) 446755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_enable_sniffer(hw, 0); 4468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 44695e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!rc) 44705e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek rc = mwl8k_cmd_set_pre_scan(hw); 44715e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek 44725e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!rc) 44735e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek rc = mwl8k_cmd_set_post_scan(hw, 44745e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek "\x00\x00\x00\x00\x00\x00"); 44755e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek } 44762ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 44772ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 447855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_rateadapt_mode(hw, 0); 4479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 44802ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 448155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_wmm_mode(hw, 0); 4482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 44832ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek mwl8k_fw_unlock(hw); 44842ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek } 44852ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 44862ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (rc) { 44872ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 44882ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek free_irq(priv->pdev->irq, hw); 4489bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo priv->irq = -1; 44901e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_disable(&priv->poll_tx_task); 449167e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_disable(&priv->poll_rx_task); 44922ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek } 4493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 4495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4497a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_stop(struct ieee80211_hw *hw) 4498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 4501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 45026b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!priv->hw_restart_in_progress) 45036b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_cmd_radio_disable(hw); 4504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queues(hw); 4506a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4507a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable interrupts */ 4508a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 4509bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo if (priv->irq != -1) { 4510bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo free_irq(priv->pdev->irq, hw); 4511bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo priv->irq = -1; 4512bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo } 4513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop finalize join worker */ 4515a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cancel_work_sync(&priv->finalize_join_worker); 45163aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam cancel_work_sync(&priv->watchdog_ba_handle); 4517a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->beacon_skb != NULL) 4518a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(priv->beacon_skb); 4519a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 452067e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek /* Stop TX reclaim and RX tasklets. */ 45211e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_disable(&priv->poll_tx_task); 452267e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_disable(&priv->poll_rx_task); 4523a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4524a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Return all skbs to mac80211 */ 4525e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 4526efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek mwl8k_txq_reclaim(hw, i, INT_MAX, 1); 4527a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4528a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 45290863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolostatic int mwl8k_reload_firmware(struct ieee80211_hw *hw, char *fw_image); 45300863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo 4531a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_add_interface(struct ieee80211_hw *hw, 4532f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct ieee80211_vif *vif) 4533a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4534a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4535a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mwl8k_vif; 4536ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek u32 macids_supported; 45370863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo int macid, rc; 45380863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo struct mwl8k_device_info *di; 4539a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4540a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 4541a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Reject interface creation if sniffer mode is active, as 4542a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * STA operation is mutually exclusive with hardware sniffer 4543b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * mode. (Sniffer mode is only used on STA firmware.) 4544a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 4545a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (priv->sniffer_enabled) { 4546c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_info(hw->wiphy, 4547c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "unable to create STA interface because sniffer mode is enabled\n"); 4548a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return -EINVAL; 4549a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 4550a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 45510863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo di = priv->device_info; 4552ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek switch (vif->type) { 4553ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek case NL80211_IFTYPE_AP: 45540863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (!priv->ap_fw && di->fw_image_ap) { 45550863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo /* we must load the ap fw to meet this request */ 45560863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (!list_empty(&priv->vif_list)) 45570863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo return -EBUSY; 45580863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo rc = mwl8k_reload_firmware(hw, di->fw_image_ap); 45590863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (rc) 45600863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo return rc; 45610863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo } 4562ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek macids_supported = priv->ap_macids_supported; 4563ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek break; 4564ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek case NL80211_IFTYPE_STATION: 45650863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (priv->ap_fw && di->fw_image_sta) { 45660863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo /* we must load the sta fw to meet this request */ 45670863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (!list_empty(&priv->vif_list)) 45680863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo return -EBUSY; 45690863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo rc = mwl8k_reload_firmware(hw, di->fw_image_sta); 45700863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (rc) 45710863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo return rc; 45720863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo } 4573ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek macids_supported = priv->sta_macids_supported; 4574ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek break; 4575ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek default: 4576ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek return -EINVAL; 4577ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek } 4578ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek 4579ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek macid = ffs(macids_supported & ~priv->macids_used); 4580ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek if (!macid--) 4581ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek return -EBUSY; 4582ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek 4583f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek /* Setup driver private area. */ 45841ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg mwl8k_vif = MWL8K_VIF(vif); 4585a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(mwl8k_vif, 0, sizeof(*mwl8k_vif)); 4586f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek mwl8k_vif->vif = vif; 4587ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mwl8k_vif->macid = macid; 4588a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->seqno = 0; 4589d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam memcpy(mwl8k_vif->bssid, vif->addr, ETH_ALEN); 4590d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam mwl8k_vif->is_hw_crypto_enabled = false; 4591a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4592aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek /* Set the mac address. */ 4593aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek mwl8k_cmd_set_mac_addr(hw, vif, vif->addr); 4594aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek 4595aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek if (priv->ap_fw) 4596aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek mwl8k_cmd_set_new_stn_add_self(hw, vif); 4597aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek 4598ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->macids_used |= 1 << mwl8k_vif->macid; 4599f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek list_add_tail(&mwl8k_vif->list, &priv->vif_list); 4600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4601a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 4602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 46046b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powarstatic void mwl8k_remove_vif(struct mwl8k_priv *priv, struct mwl8k_vif *vif) 46056b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar{ 46066b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* Has ieee80211_restart_hw re-added the removed interfaces? */ 46076b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!priv->macids_used) 46086b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar return; 46096b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 46106b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->macids_used &= ~(1 << vif->macid); 46116b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar list_del(&vif->list); 46126b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar} 46136b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 4614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_remove_interface(struct ieee80211_hw *hw, 46151ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg struct ieee80211_vif *vif) 4616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4618f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 4619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4620b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (priv->ap_fw) 4621b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_cmd_set_new_stn_del(hw, vif, vif->addr); 4622b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4623197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar mwl8k_cmd_del_mac_addr(hw, vif, vif->addr); 462432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 46256b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_remove_vif(priv, mwl8k_vif); 46266b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar} 46276b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 46286b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powarstatic void mwl8k_hw_restart_work(struct work_struct *work) 46296b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar{ 46306b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar struct mwl8k_priv *priv = 46316b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar container_of(work, struct mwl8k_priv, fw_reload); 46326b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar struct ieee80211_hw *hw = priv->hw; 46336b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar struct mwl8k_device_info *di; 46346b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar int rc; 46356b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 46366b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* If some command is waiting for a response, clear it */ 46376b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->hostcmd_wait != NULL) { 46386b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar complete(priv->hostcmd_wait); 46396b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hostcmd_wait = NULL; 46406b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar } 46416b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 46426b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hw_restart_owner = current; 46436b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar di = priv->device_info; 46446b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_fw_lock(hw); 46456b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 46466b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->ap_fw) 46476b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar rc = mwl8k_reload_firmware(hw, di->fw_image_ap); 46486b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar else 46496b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar rc = mwl8k_reload_firmware(hw, di->fw_image_sta); 46506b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 46516b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (rc) 46526b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar goto fail; 46536b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 46546b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hw_restart_owner = NULL; 46556b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hw_restart_in_progress = false; 46566b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 46576b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* 46586b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * This unlock will wake up the queues and 46596b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * also opens the command path for other 46606b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * commands 46616b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 46626b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_fw_unlock(hw); 46636b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 46646b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar ieee80211_restart_hw(hw); 46656b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 46666b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar wiphy_err(hw->wiphy, "Firmware restarted successfully\n"); 46676b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 46686b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar return; 46696b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powarfail: 46706b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_fw_unlock(hw); 46716b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 46726b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar wiphy_err(hw->wiphy, "Firmware restart failed\n"); 4673a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4674a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4675ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhekstatic int mwl8k_config(struct ieee80211_hw *hw, u32 changed) 4676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_conf *conf = &hw->conf; 4678a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4679ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek int rc; 4680a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 46817595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek if (conf->flags & IEEE80211_CONF_IDLE) { 468255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek mwl8k_cmd_radio_disable(hw); 4683ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return 0; 46847595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek } 46857595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek 4686ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek rc = mwl8k_fw_lock(hw); 4687ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 4688ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return rc; 4689a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 469055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_radio_enable(hw); 4691ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 4692ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 4693a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4694610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek rc = mwl8k_cmd_set_rf_channel(hw, conf); 4695ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 4696ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 4697ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek 4698a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (conf->power_level > 18) 4699a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek conf->power_level = 18; 4700a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 470108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek if (priv->ap_fw) { 47020321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam 47030321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam if (conf->flags & IEEE80211_CONF_CHANGE_POWER) { 47040321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam rc = mwl8k_cmd_tx_power(hw, conf, conf->power_level); 47050321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam if (rc) 47060321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam goto out; 47070321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam } 470841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 4709da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_RX, 0x3); 4710da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam if (rc) 4711da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam wiphy_warn(hw->wiphy, "failed to set # of RX antennas"); 4712da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_TX, 0x7); 4713da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam if (rc) 4714da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam wiphy_warn(hw->wiphy, "failed to set # of TX antennas"); 4715da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam 471608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek } else { 471741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam rc = mwl8k_cmd_rf_tx_power(hw, conf->power_level); 471841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam if (rc) 471941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam goto out; 472008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek rc = mwl8k_cmd_mimo_config(hw, 0x7, 0x7); 472108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek } 4722a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4723ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhekout: 4724ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek mwl8k_fw_unlock(hw); 4725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4726ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return rc; 4727a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4728a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4729b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstatic void 4730b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekmwl8k_bss_info_changed_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4731b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct ieee80211_bss_conf *info, u32 changed) 4732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4733a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4734ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar u32 ap_legacy_rates = 0; 473513935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek u8 ap_mcs_rates[16]; 47363a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek int rc; 47373a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek 4738c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (mwl8k_fw_lock(hw)) 47393a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek return; 4740a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4741c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek /* 4742c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek * No need to capture a beacon if we're no longer associated. 4743c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek */ 4744c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if ((changed & BSS_CHANGED_ASSOC) && !vif->bss_conf.assoc) 4745c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek priv->capture_beacon = false; 47463a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek 4747c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek /* 474813935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek * Get the AP's legacy and MCS rates. 4749c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek */ 47507dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek if (vif->bss_conf.assoc) { 4751c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek struct ieee80211_sta *ap; 4752c97470dd253831e880c72ea5d022ed7f3aee45c3Lennert Buytenhek 4753c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek rcu_read_lock(); 4754c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 4755c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek ap = ieee80211_find_sta(vif, vif->bss_conf.bssid); 4756c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (ap == NULL) { 4757c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek rcu_read_unlock(); 4758c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek goto out; 4759c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4760c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek 47618707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek if (hw->conf.channel->band == IEEE80211_BAND_2GHZ) { 47628707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek ap_legacy_rates = ap->supp_rates[IEEE80211_BAND_2GHZ]; 47638707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek } else { 47648707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek ap_legacy_rates = 47658707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek ap->supp_rates[IEEE80211_BAND_5GHZ] << 5; 47668707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek } 476713935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(ap_mcs_rates, ap->ht_cap.mcs.rx_mask, 16); 4768c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek 4769c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek rcu_read_unlock(); 4770c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4771c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 4772c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if ((changed & BSS_CHANGED_ASSOC) && vif->bss_conf.assoc) { 477313935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek rc = mwl8k_cmd_set_rate(hw, vif, ap_legacy_rates, ap_mcs_rates); 47743a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 47753a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 4776a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4777b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek rc = mwl8k_cmd_use_fixed_rate_sta(hw); 47783a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 47793a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 4780c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4781a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4782c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (changed & BSS_CHANGED_ERP_PREAMBLE) { 47837dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek rc = mwl8k_set_radio_preamble(hw, 47847dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek vif->bss_conf.use_short_preamble); 47853a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 47863a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 4787c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4788a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4789c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (changed & BSS_CHANGED_ERP_SLOT) { 47907dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek rc = mwl8k_cmd_set_slot(hw, vif->bss_conf.use_short_slot); 47913a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 47923a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 4793c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4794a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4795c97470dd253831e880c72ea5d022ed7f3aee45c3Lennert Buytenhek if (vif->bss_conf.assoc && 4796c97470dd253831e880c72ea5d022ed7f3aee45c3Lennert Buytenhek (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_ERP_CTS_PROT | 4797c97470dd253831e880c72ea5d022ed7f3aee45c3Lennert Buytenhek BSS_CHANGED_HT))) { 4798c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek rc = mwl8k_cmd_set_aid(hw, vif, ap_legacy_rates); 47993a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 48003a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 4801c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4802a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4803c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (vif->bss_conf.assoc && 4804c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_BEACON_INT))) { 4805a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 4806a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Finalize the join. Tell rx handler to process 4807a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * next beacon from our BSSID. 4808a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 48090a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhek memcpy(priv->capture_bssid, vif->bss_conf.bssid, ETH_ALEN); 4810a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = true; 4811a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4812a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 48133a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhekout: 48143a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek mwl8k_fw_unlock(hw); 4815a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4816a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4817b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstatic void 4818b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekmwl8k_bss_info_changed_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4819b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct ieee80211_bss_conf *info, u32 changed) 4820b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 4821b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rc; 4822b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4823b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (mwl8k_fw_lock(hw)) 4824b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return; 4825b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4826b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (changed & BSS_CHANGED_ERP_PREAMBLE) { 4827b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek rc = mwl8k_set_radio_preamble(hw, 4828b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek vif->bss_conf.use_short_preamble); 4829b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (rc) 4830b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek goto out; 4831b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek } 4832b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4833b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (changed & BSS_CHANGED_BASIC_RATES) { 4834b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int idx; 4835b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rate; 4836b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4837b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek /* 4838b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * Use lowest supported basic rate for multicasts 4839b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * and management frames (such as probe responses -- 4840b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * beacons will always go out at 1 Mb/s). 4841b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek */ 4842b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek idx = ffs(vif->bss_conf.basic_rates); 48438707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek if (idx) 48448707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek idx--; 48458707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek 48468707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek if (hw->conf.channel->band == IEEE80211_BAND_2GHZ) 48478707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rate = mwl8k_rates_24[idx].hw_value; 48488707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek else 48498707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rate = mwl8k_rates_50[idx].hw_value; 4850b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4851b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_cmd_use_fixed_rate_ap(hw, rate, rate); 4852b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek } 4853b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4854b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (changed & (BSS_CHANGED_BEACON_INT | BSS_CHANGED_BEACON)) { 4855b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct sk_buff *skb; 4856b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4857b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek skb = ieee80211_beacon_get(hw, vif); 4858b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (skb != NULL) { 4859aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek mwl8k_cmd_set_beacon(hw, vif, skb->data, skb->len); 4860b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek kfree_skb(skb); 4861b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek } 4862b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek } 4863b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4864b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (changed & BSS_CHANGED_BEACON_ENABLED) 4865aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek mwl8k_cmd_bss_start(hw, vif, info->enable_beacon); 4866b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4867b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekout: 4868b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_fw_unlock(hw); 4869b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 4870b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4871b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstatic void 4872b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekmwl8k_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4873b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct ieee80211_bss_conf *info, u32 changed) 4874b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 4875b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4876b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4877b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (!priv->ap_fw) 4878b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_bss_info_changed_sta(hw, vif, info, changed); 4879b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek else 4880b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_bss_info_changed_ap(hw, vif, info, changed); 4881b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 4882b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4883e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhekstatic u64 mwl8k_prepare_multicast(struct ieee80211_hw *hw, 488422bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko struct netdev_hw_addr_list *mc_list) 4885e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek{ 4886e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek struct mwl8k_cmd_pkt *cmd; 4887e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 4888447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek /* 4889447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * Synthesize and return a command packet that programs the 4890447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * hardware multicast address filter. At this point we don't 4891447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * know whether FIF_ALLMULTI is being requested, but if it is, 4892447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * we'll end up throwing this packet away and creating a new 4893447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * one in mwl8k_configure_filter(). 4894447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek */ 489522bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko cmd = __mwl8k_cmd_mac_multicast_adr(hw, 0, mc_list); 4896e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 4897e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return (unsigned long)cmd; 4898e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek} 4899e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 4900a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhekstatic int 4901a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhekmwl8k_configure_filter_sniffer(struct ieee80211_hw *hw, 4902a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek unsigned int changed_flags, 4903a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek unsigned int *total_flags) 4904a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek{ 4905a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4906a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4907a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek /* 4908a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Hardware sniffer mode is mutually exclusive with STA 4909a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * operation, so refuse to enable sniffer mode if a STA 4910a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * interface is active. 4911a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 4912f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek if (!list_empty(&priv->vif_list)) { 4913a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (net_ratelimit()) 4914c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_info(hw->wiphy, 4915c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "not enabling sniffer mode because STA interface is active\n"); 4916a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 0; 4917a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 4918a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4919a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (!priv->sniffer_enabled) { 492055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (mwl8k_cmd_enable_sniffer(hw, 1)) 4921a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 0; 4922a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek priv->sniffer_enabled = true; 4923a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 4924a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4925a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek *total_flags &= FIF_PROMISC_IN_BSS | FIF_ALLMULTI | 4926a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL | 4927a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek FIF_OTHER_BSS; 4928a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4929a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 1; 4930a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek} 4931a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4932f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhekstatic struct mwl8k_vif *mwl8k_first_vif(struct mwl8k_priv *priv) 4933f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek{ 4934f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek if (!list_empty(&priv->vif_list)) 4935f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek return list_entry(priv->vif_list.next, struct mwl8k_vif, list); 4936f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek 4937f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek return NULL; 4938f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek} 4939f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek 4940e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhekstatic void mwl8k_configure_filter(struct ieee80211_hw *hw, 4941e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek unsigned int changed_flags, 4942e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek unsigned int *total_flags, 4943e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek u64 multicast) 4944e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek{ 4945e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4946a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek struct mwl8k_cmd_pkt *cmd = (void *)(unsigned long)multicast; 4947a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4948a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek /* 4949c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek * AP firmware doesn't allow fine-grained control over 4950c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek * the receive filter. 4951c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek */ 4952c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek if (priv->ap_fw) { 4953c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek *total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC; 4954c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek kfree(cmd); 4955c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek return; 4956c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek } 4957c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek 4958c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek /* 4959a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Enable hardware sniffer mode if FIF_CONTROL or 4960a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * FIF_OTHER_BSS is requested. 4961a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 4962a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (*total_flags & (FIF_CONTROL | FIF_OTHER_BSS) && 4963a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek mwl8k_configure_filter_sniffer(hw, changed_flags, total_flags)) { 4964a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek kfree(cmd); 4965a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return; 4966a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 4967a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4968e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek /* Clear unsupported feature flags */ 4969447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek *total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC; 4970a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 497190852f7aed0f90d443efd7e0f9b82d8ac8186848Lennert Buytenhek if (mwl8k_fw_lock(hw)) { 497290852f7aed0f90d443efd7e0f9b82d8ac8186848Lennert Buytenhek kfree(cmd); 4973e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek return; 497490852f7aed0f90d443efd7e0f9b82d8ac8186848Lennert Buytenhek } 4975a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4976a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (priv->sniffer_enabled) { 497755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek mwl8k_cmd_enable_sniffer(hw, 0); 4978a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek priv->sniffer_enabled = false; 4979a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 4980a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4981e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 498277165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek if (*total_flags & FIF_BCN_PRBRESP_PROMISC) { 498377165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek /* 498477165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * Disable the BSS filter. 498577165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek */ 4986e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_cmd_set_pre_scan(hw); 498777165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek } else { 4988f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct mwl8k_vif *mwl8k_vif; 49890a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhek const u8 *bssid; 4990a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek 499177165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek /* 499277165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * Enable the BSS filter. 499377165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * 499477165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * If there is an active STA interface, use that 499577165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * interface's BSSID, otherwise use a dummy one 499677165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * (where the OUI part needs to be nonzero for 499777165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * the BSSID to be accepted by POST_SCAN). 499877165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek */ 4999f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek mwl8k_vif = mwl8k_first_vif(priv); 5000f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek if (mwl8k_vif != NULL) 5001f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek bssid = mwl8k_vif->vif->bss_conf.bssid; 5002f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek else 5003f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek bssid = "\x01\x00\x00\x00\x00\x00"; 5004a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek 5005e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_cmd_set_post_scan(hw, bssid); 5006a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5007a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5008a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5009447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek /* 5010447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * If FIF_ALLMULTI is being requested, throw away the command 5011447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * packet that ->prepare_multicast() built and replace it with 5012447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * a command packet that enables reception of all multicast 5013447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * packets. 5014447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek */ 5015447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (*total_flags & FIF_ALLMULTI) { 5016447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek kfree(cmd); 501722bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko cmd = __mwl8k_cmd_mac_multicast_adr(hw, 1, NULL); 5018447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek } 5019447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek 5020447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (cmd != NULL) { 5021447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek mwl8k_post_cmd(hw, cmd); 5022447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek kfree(cmd); 5023e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek } 5024a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5025e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_fw_unlock(hw); 5026a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5027a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5028a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 5029a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 5030c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek return mwl8k_cmd_set_rts_threshold(hw, value); 5031a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5032a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 50334a6967b88af02eebeedfbb91bc09160750225bb5Johannes Bergstatic int mwl8k_sta_remove(struct ieee80211_hw *hw, 50344a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg struct ieee80211_vif *vif, 50354a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg struct ieee80211_sta *sta) 50363f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek{ 50373f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 50383f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 50394a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg if (priv->ap_fw) 50404a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg return mwl8k_cmd_set_new_stn_del(hw, vif, sta->addr); 50414a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg else 50424a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg return mwl8k_cmd_update_stadb_del(hw, vif, sta->addr); 5043bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek} 5044bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 50454a6967b88af02eebeedfbb91bc09160750225bb5Johannes Bergstatic int mwl8k_sta_add(struct ieee80211_hw *hw, 50464a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg struct ieee80211_vif *vif, 50474a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg struct ieee80211_sta *sta) 5048bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek{ 5049bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 50504a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg int ret; 5051fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int i; 5052fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 5053fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key; 5054bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 50554a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg if (!priv->ap_fw) { 50564a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg ret = mwl8k_cmd_update_stadb_add(hw, vif, sta); 50574a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg if (ret >= 0) { 50584a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg MWL8K_STA(sta)->peer_id = ret; 5059170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam if (sta->ht_cap.ht_supported) 5060170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam MWL8K_STA(sta)->is_ampdu_allowed = true; 5061fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam ret = 0; 50624a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg } 5063bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 5064d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } else { 5065d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam ret = mwl8k_cmd_set_new_stn_add(hw, vif, sta); 5066bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek } 50674a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg 5068d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam for (i = 0; i < NUM_WEP_KEYS; i++) { 5069d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam key = IEEE80211_KEY_CONF(mwl8k_vif->wep_key_conf[i].key); 5070d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (mwl8k_vif->wep_key_conf[i].enabled) 5071d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam mwl8k_set_key(hw, SET_KEY, vif, sta, key); 5072d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 5073fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return ret; 5074bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek} 5075bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 50768a3a3c85e44d58f5af0adac74a0b866ba89a1978Eliad Pellerstatic int mwl8k_conf_tx(struct ieee80211_hw *hw, 50778a3a3c85e44d58f5af0adac74a0b866ba89a1978Eliad Peller struct ieee80211_vif *vif, u16 queue, 5078a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const struct ieee80211_tx_queue_params *params) 5079a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 50803e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 5081a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 5082a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 50833e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek rc = mwl8k_fw_lock(hw); 50843e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!rc) { 5085e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo BUG_ON(queue > MWL8K_TX_WMM_QUEUES - 1); 50860863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo memcpy(&priv->wmm_params[queue], params, sizeof(*params)); 50870863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo 50883e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!priv->wmm_enabled) 508955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_wmm_mode(hw, 1); 5090a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 509185c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam if (!rc) { 5092e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo int q = MWL8K_TX_WMM_QUEUES - 1 - queue; 509385c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam rc = mwl8k_cmd_set_edca_params(hw, q, 509455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->cw_min, 509555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->cw_max, 509655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->aifs, 509755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->txop); 509885c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam } 50993e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek 51003e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek mwl8k_fw_unlock(hw); 5101a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 51023e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek 5103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 5104a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_get_stats(struct ieee80211_hw *hw, 5107a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_low_level_stats *stats) 5108a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 510955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_get_stat(hw, stats); 5110a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5111a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 51120d462bbb0e20863b6c796abd779bfdb534d60278John W. Linvillestatic int mwl8k_get_survey(struct ieee80211_hw *hw, int idx, 51130d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville struct survey_info *survey) 51140d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville{ 51150d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville struct mwl8k_priv *priv = hw->priv; 51160d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville struct ieee80211_conf *conf = &hw->conf; 51170d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 51180d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville if (idx != 0) 51190d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville return -ENOENT; 51200d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 51210d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville survey->channel = conf->channel; 51220d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville survey->filled = SURVEY_INFO_NOISE_DBM; 51230d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville survey->noise = priv->noise; 51240d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 51250d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville return 0; 51260d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville} 51270d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 512865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam#define MAX_AMPDU_ATTEMPTS 5 512965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 5130a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhekstatic int 5131a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhekmwl8k_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5132a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek enum ieee80211_ampdu_mlme_action action, 51330b01f030d38e00650e2db42da083d8647aad40a5Johannes Berg struct ieee80211_sta *sta, u16 tid, u16 *ssn, 51340b01f030d38e00650e2db42da083d8647aad40a5Johannes Berg u8 buf_size) 5135a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek{ 513665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 513765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam int i, rc = 0; 513865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam struct mwl8k_priv *priv = hw->priv; 513965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam struct mwl8k_ampdu_stream *stream; 514007f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar u8 *addr = sta->addr, idx; 5141fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar struct mwl8k_sta *sta_info = MWL8K_STA(sta); 514265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 514365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (!(hw->flags & IEEE80211_HW_AMPDU_AGGREGATION)) 514465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam return -ENOTSUPP; 514565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 514665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 514765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream = mwl8k_lookup_stream(hw, addr, tid); 514865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 5149a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek switch (action) { 5150a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek case IEEE80211_AMPDU_RX_START: 5151a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek case IEEE80211_AMPDU_RX_STOP: 515265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 515365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam case IEEE80211_AMPDU_TX_START: 515465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* By the time we get here the hw queues may contain outgoing 515565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * packets for this RA/TID that are not part of this BA 515665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * session. The hw will assign sequence numbers to these 515765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * packets as they go out. So if we query the hw for its next 515865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * sequence number and use that for the SSN here, it may end up 515965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * being wrong, which will lead to sequence number mismatch at 516065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * the recipient. To avoid this, we reset the sequence number 516165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * to O for the first MPDU in this BA stream. 516265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 516365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam *ssn = 0; 516465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (stream == NULL) { 516565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* This means that somebody outside this driver called 516665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * ieee80211_start_tx_ba_session. This is unexpected 516765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * because we do our own rate control. Just warn and 516865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * move on. 516965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 517065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_warn(hw->wiphy, "Unexpected call to %s. " 517165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam "Proceeding anyway.\n", __func__); 517265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream = mwl8k_add_stream(hw, sta, tid); 517365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 517465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (stream == NULL) { 517565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_debug(hw->wiphy, "no free AMPDU streams\n"); 517665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam rc = -EBUSY; 517765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 517865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 517965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream->state = AMPDU_STREAM_IN_PROGRESS; 518065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 518165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* Release the lock before we do the time consuming stuff */ 518265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 518365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam for (i = 0; i < MAX_AMPDU_ATTEMPTS; i++) { 5184fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar 5185fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar /* Check if link is still valid */ 5186fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar if (!sta_info->is_ampdu_allowed) { 5187fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar spin_lock(&priv->stream_lock); 5188fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar mwl8k_remove_stream(hw, stream); 5189fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar spin_unlock(&priv->stream_lock); 5190fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar return -EBUSY; 5191fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar } 5192fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar 5193f95275c48b60fc486517f05da0800357dfd3ce2fYogesh Ashok Powar rc = mwl8k_check_ba(hw, stream, vif); 519465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 51956b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* If HW restart is in progress mwl8k_post_cmd will 51966b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * return -EBUSY. Avoid retrying mwl8k_check_ba in 51976b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * such cases 51986b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 51996b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!rc || rc == -EBUSY) 520065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 520165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* 520265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * HW queues take time to be flushed, give them 520365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * sufficient time 520465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 520565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 520665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam msleep(1000); 520765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 520865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 520965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (rc) { 521065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_err(hw->wiphy, "Stream for tid %d busy after %d" 521165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam " attempts\n", tid, MAX_AMPDU_ATTEMPTS); 521265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_remove_stream(hw, stream); 521365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam rc = -EBUSY; 521465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 521565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 521665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam ieee80211_start_tx_ba_cb_irqsafe(vif, addr, tid); 521765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 521818b559d5db47c86b10c14590aa2d26c0243c39e4Johannes Berg case IEEE80211_AMPDU_TX_STOP_CONT: 521918b559d5db47c86b10c14590aa2d26c0243c39e4Johannes Berg case IEEE80211_AMPDU_TX_STOP_FLUSH: 522018b559d5db47c86b10c14590aa2d26c0243c39e4Johannes Berg case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 5221eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar if (stream) { 5222eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar if (stream->state == AMPDU_STREAM_ACTIVE) { 522307f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar idx = stream->idx; 5224eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar spin_unlock(&priv->stream_lock); 522507f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar mwl8k_destroy_ba(hw, idx); 5226eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar spin_lock(&priv->stream_lock); 5227eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar } 5228eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar mwl8k_remove_stream(hw, stream); 522965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 523065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam ieee80211_stop_tx_ba_cb_irqsafe(vif, addr, tid); 523165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 523265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam case IEEE80211_AMPDU_TX_OPERATIONAL: 523365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam BUG_ON(stream == NULL); 523465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam BUG_ON(stream->state != AMPDU_STREAM_IN_PROGRESS); 523565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 5236f95275c48b60fc486517f05da0800357dfd3ce2fYogesh Ashok Powar rc = mwl8k_create_ba(hw, stream, buf_size, vif); 523765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 523865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (!rc) 523965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream->state = AMPDU_STREAM_ACTIVE; 524065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam else { 524107f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar idx = stream->idx; 524265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 524307f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar mwl8k_destroy_ba(hw, idx); 524465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 524565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_debug(hw->wiphy, 524665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam "Failed adding stream for sta %pM tid %d\n", 524765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam addr, tid); 524865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_remove_stream(hw, stream); 524965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 525065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 525165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 5252a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek default: 525365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam rc = -ENOTSUPP; 5254a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek } 525565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 525665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 525765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam return rc; 5258a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek} 5259a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek 5260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const struct ieee80211_ops mwl8k_ops = { 5261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .tx = mwl8k_tx, 5262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .start = mwl8k_start, 5263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .stop = mwl8k_stop, 5264a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .add_interface = mwl8k_add_interface, 5265a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .remove_interface = mwl8k_remove_interface, 5266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .config = mwl8k_config, 5267a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .bss_info_changed = mwl8k_bss_info_changed, 52683ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg .prepare_multicast = mwl8k_prepare_multicast, 5269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .configure_filter = mwl8k_configure_filter, 5270fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam .set_key = mwl8k_set_key, 5271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .set_rts_threshold = mwl8k_set_rts_threshold, 52724a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg .sta_add = mwl8k_sta_add, 52734a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg .sta_remove = mwl8k_sta_remove, 5274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .conf_tx = mwl8k_conf_tx, 5275a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .get_stats = mwl8k_get_stats, 52760d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville .get_survey = mwl8k_get_survey, 5277a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek .ampdu_action = mwl8k_ampdu_action, 5278a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 5279a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5280a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_finalize_join_worker(struct work_struct *work) 5281a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 5282a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = 5283a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek container_of(work, struct mwl8k_priv, finalize_join_worker); 5284a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb = priv->beacon_skb; 528556007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg struct ieee80211_mgmt *mgmt = (void *)skb->data; 528656007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg int len = skb->len - offsetof(struct ieee80211_mgmt, u.beacon.variable); 528756007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg const u8 *tim = cfg80211_find_ie(WLAN_EID_TIM, 528856007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg mgmt->u.beacon.variable, len); 528956007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg int dtim_period = 1; 529056007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg 529156007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg if (tim && tim[1] >= 2) 529256007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg dtim_period = tim[3]; 5293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 529456007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg mwl8k_cmd_finalize_join(priv->hw, skb->data, skb->len, dtim_period); 5295a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5296f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek dev_kfree_skb(skb); 5297a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->beacon_skb = NULL; 5298a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5299a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5300bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linvilleenum { 53019e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek MWL8363 = 0, 53029e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek MWL8687, 5303bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville MWL8366, 53046f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek}; 53056f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 53068a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo#define MWL8K_8366_AP_FW_API 2 5307952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo#define _MWL8K_8366_AP_FW(api) "mwl8k/fmimage_8366_ap-" #api ".fw" 5308952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo#define MWL8K_8366_AP_FW(api) _MWL8K_8366_AP_FW(api) 5309952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo 53108dee5eef2ab313e519e6ce3c3bf9a16cfc6f5907Bill Pembertonstatic struct mwl8k_device_info mwl8k_info_tbl[] = { 53119e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek [MWL8363] = { 53129e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek .part_name = "88w8363", 53139e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek .helper_image = "mwl8k/helper_8363.fw", 53140863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo .fw_image_sta = "mwl8k/fmimage_8363.fw", 53159e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek }, 531649eb691c8f48a29adfdfbdeb82433f1f8cb6524dLennert Buytenhek [MWL8687] = { 5317bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .part_name = "88w8687", 5318bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .helper_image = "mwl8k/helper_8687.fw", 53190863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo .fw_image_sta = "mwl8k/fmimage_8687.fw", 5320bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville }, 532149eb691c8f48a29adfdfbdeb82433f1f8cb6524dLennert Buytenhek [MWL8366] = { 5322bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .part_name = "88w8366", 5323bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .helper_image = "mwl8k/helper_8366.fw", 53240863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo .fw_image_sta = "mwl8k/fmimage_8366.fw", 5325952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo .fw_image_ap = MWL8K_8366_AP_FW(MWL8K_8366_AP_FW_API), 5326952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo .fw_api_ap = MWL8K_8366_AP_FW_API, 532789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .ap_rxd_ops = &rxd_8366_ap_ops, 5328bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville }, 532945a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek}; 533045a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 5331c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/helper_8363.fw"); 5332c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/fmimage_8363.fw"); 5333c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/helper_8687.fw"); 5334c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/fmimage_8687.fw"); 5335c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/helper_8366.fw"); 5336c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/fmimage_8366.fw"); 5337952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian CavagnoloMODULE_FIRMWARE(MWL8K_8366_AP_FW(MWL8K_8366_AP_FW_API)); 5338c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert Buytenhek 533945a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhekstatic DEFINE_PCI_DEVICE_TABLE(mwl8k_pci_id_table) = { 5340e5868ba10c3c5d8a56c06bbafe098103356ac03fBenjamin Larsson { PCI_VDEVICE(MARVELL, 0x2a0a), .driver_data = MWL8363, }, 53419e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a0c), .driver_data = MWL8363, }, 53429e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a24), .driver_data = MWL8363, }, 5343bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { PCI_VDEVICE(MARVELL, 0x2a2b), .driver_data = MWL8687, }, 5344bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { PCI_VDEVICE(MARVELL, 0x2a30), .driver_data = MWL8687, }, 5345bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { PCI_VDEVICE(MARVELL, 0x2a40), .driver_data = MWL8366, }, 5346ca66527c60385dcec878ebd90749d1fdc43bc870Lennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a43), .driver_data = MWL8366, }, 5347bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { }, 534845a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek}; 534945a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert BuytenhekMODULE_DEVICE_TABLE(pci, mwl8k_pci_id_table); 535045a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 535199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic int mwl8k_request_alt_fw(struct mwl8k_priv *priv) 535299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo{ 535399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo int rc; 535499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting preferred fw %s.\n" 535599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo "Trying alternative firmware %s\n", pci_name(priv->pdev), 535699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref, priv->fw_alt); 535799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, priv->fw_alt, &priv->fw_ucode, true); 535899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) { 535999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting alt fw %s\n", 536099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo pci_name(priv->pdev), priv->fw_alt); 536199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return rc; 536299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 536399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return 0; 536499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo} 536599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 536699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic int mwl8k_firmware_load_success(struct mwl8k_priv *priv); 536799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic void mwl8k_fw_state_machine(const struct firmware *fw, void *context) 536899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo{ 536999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo struct mwl8k_priv *priv = context; 537099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo struct mwl8k_device_info *di = priv->device_info; 537199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo int rc; 537299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 537399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo switch (priv->fw_state) { 537499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo case FW_STATE_INIT: 537599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (!fw) { 537699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting helper fw %s\n", 537799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo pci_name(priv->pdev), di->helper_image); 537899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 537999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 538099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_helper = fw; 538199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, priv->fw_pref, &priv->fw_ucode, 538299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo true); 538399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc && priv->fw_alt) { 538499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_alt_fw(priv); 538599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 538699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 538799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_LOADING_ALT; 538899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else if (rc) 538999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 539099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 539199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_LOADING_PREF; 539299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo break; 539399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 539499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo case FW_STATE_LOADING_PREF: 539599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (!fw) { 539699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (priv->fw_alt) { 539799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_alt_fw(priv); 539899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 539999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 540099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_LOADING_ALT; 540199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else 540299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 540399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else { 540499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_ucode = fw; 540599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_firmware_load_success(priv); 540699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 540799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 540899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 540999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo complete(&priv->firmware_loading_complete); 541099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 541199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo break; 541299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 541399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo case FW_STATE_LOADING_ALT: 541499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (!fw) { 541599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting alt fw %s\n", 541699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo pci_name(priv->pdev), di->helper_image); 541799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 541899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 541999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_ucode = fw; 542099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_firmware_load_success(priv); 542199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 542299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 542399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 542499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo complete(&priv->firmware_loading_complete); 542599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo break; 542699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 542799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo default: 542899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Unexpected firmware loading state: %d\n", 542999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo MWL8K_NAME, priv->fw_state); 543099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo BUG_ON(1); 543199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 543299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 543399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return; 543499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 543599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolofail: 543699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_ERROR; 543799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo complete(&priv->firmware_loading_complete); 543899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo device_release_driver(&priv->pdev->dev); 543999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo mwl8k_release_firmware(priv); 544099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo} 544199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 54426b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar#define MAX_RESTART_ATTEMPTS 1 544399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic int mwl8k_init_firmware(struct ieee80211_hw *hw, char *fw_image, 544499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo bool nowait) 5445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 54463cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct mwl8k_priv *priv = hw->priv; 5447a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 54486b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar int count = MAX_RESTART_ATTEMPTS; 5449be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 54506b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powarretry: 5451be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Reset firmware and hardware */ 5452be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek mwl8k_hw_reset(priv); 5453be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5454be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Ask userland hotplug daemon for the device firmware */ 545599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_firmware(priv, fw_image, nowait); 5456be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek if (rc) { 54575db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Firmware files not found\n"); 54583cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 5459be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek } 5460be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 546199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (nowait) 546299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return rc; 546399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 5464be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Load firmware into hardware */ 5465be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek rc = mwl8k_load_firmware(hw); 54663cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 54675db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Cannot start firmware\n"); 5468be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5469be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Reclaim memory once firmware is successfully loaded */ 5470be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek mwl8k_release_firmware(priv); 5471be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 54726b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (rc && count) { 54736b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* FW did not start successfully; 54746b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * lets try one more time 54756b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 54766b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar count--; 54776b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar wiphy_err(hw->wiphy, "Trying to reload the firmware again\n"); 54786b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar msleep(20); 54796b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar goto retry; 54806b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar } 54816b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 54823cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 54833cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo} 54843cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 548573b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolostatic int mwl8k_init_txqs(struct ieee80211_hw *hw) 548673b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo{ 548773b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo struct mwl8k_priv *priv = hw->priv; 548873b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo int rc = 0; 548973b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo int i; 549073b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo 5491e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) { 549273b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo rc = mwl8k_txq_init(hw, i); 549373b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (rc) 549473b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo break; 549573b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (priv->ap_fw) 549673b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo iowrite32(priv->txq[i].txd_dma, 549773b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->sram + priv->txq_offset[i]); 549873b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo } 549973b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo return rc; 550073b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo} 550173b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo 55023cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo/* initialize hw after successfully loading a firmware image */ 55033cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolostatic int mwl8k_probe_hw(struct ieee80211_hw *hw) 55043cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo{ 55053cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct mwl8k_priv *priv = hw->priv; 55063cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int rc = 0; 55073cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int i; 5508be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 550991942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek if (priv->ap_fw) { 551089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek priv->rxd_ops = priv->device_info->ap_rxd_ops; 551191942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek if (priv->rxd_ops == NULL) { 5512c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_err(hw->wiphy, 5513c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "Driver does not have AP firmware image support for this hardware\n"); 551491942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek goto err_stop_firmware; 551591942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek } 551691942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek } else { 551789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek priv->rxd_ops = &rxd_sta_ops; 551891942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek } 5519be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5520be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek priv->sniffer_enabled = false; 5521be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek priv->wmm_enabled = false; 5522be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek priv->pending_tx_pkts = 0; 5523be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5524a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_rxq_init(hw, 0); 5525a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 55263cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_stop_firmware; 5527a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq_refill(hw, 0, INT_MAX); 5528a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 552973b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo /* For the sta firmware, we need to know the dma addresses of tx queues 553073b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo * before sending MWL8K_CMD_GET_HW_SPEC. So we must initialize them 553173b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo * prior to issuing this command. But for the AP case, we learn the 553273b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo * total number of queues from the result CMD_GET_HW_SPEC, so for this 553373b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo * case we must initialize the tx queues after. 553473b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo */ 55358a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo priv->num_ampdu_queues = 0; 553673b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (!priv->ap_fw) { 553773b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo rc = mwl8k_init_txqs(hw); 5538a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 5539a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_queues; 5540a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5541a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5542a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 5543c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 55443aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam iowrite32(MWL8K_A2H_INT_TX_DONE|MWL8K_A2H_INT_RX_READY| 55453aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam MWL8K_A2H_INT_BA_WATCHDOG, 55461e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek priv->regs + MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL); 554712488e01fb2b06bb3f6ee137efc88e29d827817eNishant Sarmukadam iowrite32(MWL8K_A2H_INT_OPC_DONE, 554812488e01fb2b06bb3f6ee137efc88e29d827817eNishant Sarmukadam priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 5549a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5550a0607fd3a25ba1848a63a0d925e36d914735ab47Joe Perches rc = request_irq(priv->pdev->irq, mwl8k_interrupt, 5551a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IRQF_SHARED, MWL8K_NAME, hw); 5552a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 55535db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to register IRQ handler\n"); 5554a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_queues; 5555a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5556a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 55576b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* 55586b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * When hw restart is requested, 55596b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * mac80211 will take care of clearing 55606b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * the ampdu streams, so do not clear 55616b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * the ampdu state here 55626b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 55636b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!priv->hw_restart_in_progress) 55646b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar memset(priv->ampdu, 0, sizeof(priv->ampdu)); 5565ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 5566a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 5567a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Temporarily enable interrupts. Initial firmware host 5568c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek * commands use interrupts and avoid polling. Disable 5569a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * interrupts when done. 5570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 5571c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 5572a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5573a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Get config data, mac addrs etc */ 557442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (priv->ap_fw) { 557542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_cmd_get_hw_spec_ap(hw); 557642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (!rc) 557773b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo rc = mwl8k_init_txqs(hw); 557873b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (!rc) 557942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_cmd_set_hw_spec(hw); 558042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek } else { 558142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_cmd_get_hw_spec_sta(hw); 558242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek } 5583a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 55845db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Cannot initialise firmware\n"); 5585be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_free_irq; 5586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5587a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5588a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Turn radio off */ 558955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_radio_disable(hw); 5590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 55915db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Cannot disable\n"); 5592be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_free_irq; 5593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 559532060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek /* Clear MAC address */ 5596aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_cmd_set_mac_addr(hw, NULL, "\x00\x00\x00\x00\x00\x00"); 559732060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek if (rc) { 55985db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Cannot clear MAC address\n"); 5599be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_free_irq; 560032060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek } 560132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 5602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable interrupts */ 5603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 5604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 5605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5606c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_info(hw->wiphy, "%s v%d, %pm, %s firmware %u.%u.%u.%u\n", 5607c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches priv->device_info->part_name, 5608c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches priv->hw_rev, hw->wiphy->perm_addr, 5609c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches priv->ap_fw ? "AP" : "STA", 5610c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches (priv->fw_rev >> 24) & 0xff, (priv->fw_rev >> 16) & 0xff, 5611c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches (priv->fw_rev >> 8) & 0xff, priv->fw_rev & 0xff); 5612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5613a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 5614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_irq: 5616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 5617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 5618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_queues: 5620e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 5621a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_deinit(hw, i); 5622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_rxq_deinit(hw, 0); 5623a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 56243cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnoloerr_stop_firmware: 56253cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_hw_reset(priv); 56263cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56273cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 56283cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo} 56293cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56303cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo/* 56313cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * invoke mwl8k_reload_firmware to change the firmware image after the device 56323cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * has already been registered 56333cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo */ 56343cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolostatic int mwl8k_reload_firmware(struct ieee80211_hw *hw, char *fw_image) 56353cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo{ 56363cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int i, rc = 0; 56373cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct mwl8k_priv *priv = hw->priv; 56386b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar struct mwl8k_vif *vif, *tmp_vif; 56393cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56403cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_stop(hw); 56413cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_rxq_deinit(hw, 0); 56423cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56436b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* 56446b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * All the existing interfaces are re-added by the ieee80211_reconfig; 56456b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * which means driver should remove existing interfaces before calling 56466b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * ieee80211_restart_hw 56476b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 56486b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->hw_restart_in_progress) 56496b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar list_for_each_entry_safe(vif, tmp_vif, &priv->vif_list, list) 56506b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_remove_vif(priv, vif); 56516b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 5652e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 56533cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_txq_deinit(hw, i); 56543cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 565599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_init_firmware(hw, fw_image, false); 56563cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 56573cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 56583cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56593cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = mwl8k_probe_hw(hw); 56603cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 56613cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 56623cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56636b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->hw_restart_in_progress) 56646b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar return rc; 56656b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 56663cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = mwl8k_start(hw); 56673cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 56683cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 56693cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56703cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = mwl8k_config(hw, ~0); 56713cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 56723cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 56733cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5674e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < MWL8K_TX_WMM_QUEUES; i++) { 56758a3a3c85e44d58f5af0adac74a0b866ba89a1978Eliad Peller rc = mwl8k_conf_tx(hw, NULL, i, &priv->wmm_params[i]); 56763cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 56773cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 56783cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 56793cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56803cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 56813cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56823cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolofail: 56833cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_WARNING "mwl8k: Failed to reload firmware image.\n"); 56843cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 56853cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo} 56863cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56875d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powarstatic const struct ieee80211_iface_limit ap_if_limits[] = { 56885d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar { .max = 8, .types = BIT(NL80211_IFTYPE_AP) }, 56895d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar}; 56905d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar 56915d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powarstatic const struct ieee80211_iface_combination ap_if_comb = { 56925d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar .limits = ap_if_limits, 56935d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar .n_limits = ARRAY_SIZE(ap_if_limits), 56945d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar .max_interfaces = 8, 56955d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar .num_different_channels = 1, 56965d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar}; 56975d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar 56985d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar 56993cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolostatic int mwl8k_firmware_load_success(struct mwl8k_priv *priv) 57003cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo{ 57013cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct ieee80211_hw *hw = priv->hw; 57023cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int i, rc; 57033cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 570499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_load_firmware(hw); 570599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo mwl8k_release_firmware(priv); 570699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) { 570799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo wiphy_err(hw->wiphy, "Cannot start firmware\n"); 570899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return rc; 570999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 571099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 57113cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* 57123cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * Extra headroom is the size of the required DMA header 57133cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * minus the size of the smallest 802.11 frame (CTS frame). 57143cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo */ 57153cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->extra_tx_headroom = 57163cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo sizeof(struct mwl8k_dma_data) - sizeof(struct ieee80211_cts); 57173cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5718ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar hw->extra_tx_headroom -= priv->ap_fw ? REDUCED_TX_HEADROOM : 0; 5719ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 57203cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->channel_change_time = 10; 57213cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5722e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo hw->queues = MWL8K_TX_WMM_QUEUES; 57233cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57243cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* Set rssi values to dBm */ 57250bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam hw->flags |= IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_HAS_RATE_CONTROL; 57262a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar 57272a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar /* 57282a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar * Ask mac80211 to not to trigger PS mode 57292a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar * based on PM bit of incoming frames. 57302a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar */ 57312a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar if (priv->ap_fw) 57322a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar hw->flags |= IEEE80211_HW_AP_LINK_PS; 57332a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar 57343cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->vif_data_size = sizeof(struct mwl8k_vif); 57353cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->sta_data_size = sizeof(struct mwl8k_sta); 57363cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57373cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->macids_used = 0; 57383cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo INIT_LIST_HEAD(&priv->vif_list); 57393cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57403cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* Set default radio state and preamble */ 57413db1cd5c05f35fb43eb134df6f321de4e63141f2Rusty Russell priv->radio_on = false; 57423db1cd5c05f35fb43eb134df6f321de4e63141f2Rusty Russell priv->radio_short_preamble = false; 57433cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57443cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* Finalize join worker */ 57453cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo INIT_WORK(&priv->finalize_join_worker, mwl8k_finalize_join_worker); 57463aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam /* Handle watchdog ba events */ 57473aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam INIT_WORK(&priv->watchdog_ba_handle, mwl8k_watchdog_ba_events); 57486b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* To reload the firmware if it crashes */ 57496b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar INIT_WORK(&priv->fw_reload, mwl8k_hw_restart_work); 57503cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57513cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* TX reclaim and RX tasklets. */ 57523cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo tasklet_init(&priv->poll_tx_task, mwl8k_tx_poll, (unsigned long)hw); 57533cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo tasklet_disable(&priv->poll_tx_task); 57543cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo tasklet_init(&priv->poll_rx_task, mwl8k_rx_poll, (unsigned long)hw); 57553cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo tasklet_disable(&priv->poll_rx_task); 57563cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57573cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* Power management cookie */ 57583cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->cookie = pci_alloc_consistent(priv->pdev, 4, &priv->cookie_dma); 57593cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->cookie == NULL) 57603cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return -ENOMEM; 57613cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57623cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mutex_init(&priv->fw_mutex); 57633cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->fw_mutex_owner = NULL; 57643cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->fw_mutex_depth = 0; 57653cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->hostcmd_wait = NULL; 57663cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57673cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo spin_lock_init(&priv->tx_lock); 57683cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5769ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo spin_lock_init(&priv->stream_lock); 5770ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 57713cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->tx_wait = NULL; 57723cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57733cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = mwl8k_probe_hw(hw); 57743cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 57753cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_free_cookie; 57763cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57773cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->wiphy->interface_modes = 0; 57785d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar 57795d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar if (priv->ap_macids_supported || priv->device_info->fw_image_ap) { 57803cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP); 57815d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar hw->wiphy->iface_combinations = &ap_if_comb; 57825d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar hw->wiphy->n_iface_combinations = 1; 57835d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar } 57845d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar 57853cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->sta_macids_supported || priv->device_info->fw_image_sta) 57863cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_STATION); 57873cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57883cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = ieee80211_register_hw(hw); 57893cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) { 57903cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo wiphy_err(hw->wiphy, "Cannot register device\n"); 57913cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_unprobe_hw; 57923cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 57933cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57943cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return 0; 57953cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57963cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnoloerr_unprobe_hw: 5797e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 57983cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_txq_deinit(hw, i); 57993cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_rxq_deinit(hw, 0); 58003cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5801be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhekerr_free_cookie: 5802a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->cookie != NULL) 5803a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 4, 5804a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->cookie, priv->cookie_dma); 5805a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 58063cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 58073cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo} 58088dee5eef2ab313e519e6ce3c3bf9a16cfc6f5907Bill Pembertonstatic int mwl8k_probe(struct pci_dev *pdev, 58093cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo const struct pci_device_id *id) 58103cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo{ 58113cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo static int printed_version; 58123cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct ieee80211_hw *hw; 58133cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct mwl8k_priv *priv; 58140863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo struct mwl8k_device_info *di; 58153cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int rc; 58163cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58173cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (!printed_version) { 58183cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_INFO "%s version %s\n", MWL8K_DESC, MWL8K_VERSION); 58193cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printed_version = 1; 58203cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 58213cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58223cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58233cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = pci_enable_device(pdev); 58243cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) { 58253cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_ERR "%s: Cannot enable new PCI device\n", 58263cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo MWL8K_NAME); 58273cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 58283cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 58293cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58303cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = pci_request_regions(pdev, MWL8K_NAME); 58313cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) { 58323cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_ERR "%s: Cannot obtain PCI resources\n", 58333cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo MWL8K_NAME); 58343cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_disable_device; 58353cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 58363cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58373cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo pci_set_master(pdev); 58383cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58393cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58403cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw = ieee80211_alloc_hw(sizeof(*priv), &mwl8k_ops); 58413cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (hw == NULL) { 58423cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_ERR "%s: ieee80211 alloc failed\n", MWL8K_NAME); 58433cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = -ENOMEM; 58443cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_free_reg; 58453cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 58463cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58473cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo SET_IEEE80211_DEV(hw, &pdev->dev); 58483cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo pci_set_drvdata(pdev, hw); 58493cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58503cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv = hw->priv; 58513cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->hw = hw; 58523cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->pdev = pdev; 58533cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->device_info = &mwl8k_info_tbl[id->driver_data]; 58543cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58553cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58563cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->sram = pci_iomap(pdev, 0, 0x10000); 58573cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->sram == NULL) { 58583cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo wiphy_err(hw->wiphy, "Cannot map device SRAM\n"); 58593cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_iounmap; 58603cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 58613cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58623cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* 58633cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * If BAR0 is a 32 bit BAR, the register BAR will be BAR1. 58643cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * If BAR0 is a 64 bit BAR, the register BAR will be BAR2. 58653cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo */ 58663cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->regs = pci_iomap(pdev, 1, 0x10000); 58673cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->regs == NULL) { 58683cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->regs = pci_iomap(pdev, 2, 0x10000); 58693cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->regs == NULL) { 58703cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo wiphy_err(hw->wiphy, "Cannot map device registers\n"); 58713cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_iounmap; 58723cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 58733cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 58743cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58750863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo /* 587699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * Choose the initial fw image depending on user input. If a second 587799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * image is available, make it the alternative image that will be 587899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * loaded if the first one fails. 58790863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo */ 588099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo init_completion(&priv->firmware_loading_complete); 58810863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo di = priv->device_info; 588299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (ap_mode_default && di->fw_image_ap) { 588399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref = di->fw_image_ap; 588499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_alt = di->fw_image_sta; 588599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else if (!ap_mode_default && di->fw_image_sta) { 588699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref = di->fw_image_sta; 588799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_alt = di->fw_image_ap; 588899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else if (ap_mode_default && !di->fw_image_ap && di->fw_image_sta) { 58890863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo printk(KERN_WARNING "AP fw is unavailable. Using STA fw."); 589099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref = di->fw_image_sta; 58910863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo } else if (!ap_mode_default && !di->fw_image_sta && di->fw_image_ap) { 58920863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo printk(KERN_WARNING "STA fw is unavailable. Using AP fw."); 589399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref = di->fw_image_ap; 589499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 589599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_init_firmware(hw, priv->fw_pref, true); 58963cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 58973cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_stop_firmware; 58986b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 58996b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hw_restart_in_progress = false; 59006b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 590199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return rc; 59023cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5903be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhekerr_stop_firmware: 5904be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek mwl8k_hw_reset(priv); 5905be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5906be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhekerr_iounmap: 5907a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->regs != NULL) 5908a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_iounmap(pdev, priv->regs); 5909a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 59105b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek if (priv->sram != NULL) 59115b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek pci_iounmap(pdev, priv->sram); 59125b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek 5913a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, NULL); 5914a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_free_hw(hw); 5915a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5916a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_reg: 5917a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_release_regions(pdev); 59183db95e50c8813d8ed04a1ec7cd7b77dba7c81c80Lennert Buytenhek 59193db95e50c8813d8ed04a1ec7cd7b77dba7c81c80Lennert Buytenhekerr_disable_device: 5920a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_disable_device(pdev); 5921a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5922a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 5923a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5924a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 59258dee5eef2ab313e519e6ce3c3bf9a16cfc6f5907Bill Pembertonstatic void mwl8k_remove(struct pci_dev *pdev) 5926a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 5927a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = pci_get_drvdata(pdev); 5928a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 5929a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 5930a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5931a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hw == NULL) 5932a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 5933a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv = hw->priv; 5934a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 593599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo wait_for_completion(&priv->firmware_loading_complete); 593699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 593799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (priv->fw_state == FW_STATE_ERROR) { 593899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo mwl8k_hw_reset(priv); 593999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto unmap; 594099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 594199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 5942a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queues(hw); 5943a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 594460aa569f9212a13382c29cc734f275dec0f55e0bLennert Buytenhek ieee80211_unregister_hw(hw); 594560aa569f9212a13382c29cc734f275dec0f55e0bLennert Buytenhek 594667e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek /* Remove TX reclaim and RX tasklets. */ 59471e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_kill(&priv->poll_tx_task); 594867e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_kill(&priv->poll_rx_task); 5949a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5950a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop hardware */ 5951a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_hw_reset(priv); 5952a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5953a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Return all skbs to mac80211 */ 5954e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 5955efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek mwl8k_txq_reclaim(hw, i, INT_MAX, 1); 5956a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5957e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 5958a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_deinit(hw, i); 5959a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5960a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_rxq_deinit(hw, 0); 5961a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5962c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek pci_free_consistent(priv->pdev, 4, priv->cookie, priv->cookie_dma); 5963a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 596499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolounmap: 5965a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_iounmap(pdev, priv->regs); 59665b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek pci_iounmap(pdev, priv->sram); 5967a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, NULL); 5968a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_free_hw(hw); 5969a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_release_regions(pdev); 5970a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_disable_device(pdev); 5971a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5972a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5973a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic struct pci_driver mwl8k_driver = { 5974a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .name = MWL8K_NAME, 597545a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek .id_table = mwl8k_pci_id_table, 5976a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .probe = mwl8k_probe, 59778dee5eef2ab313e519e6ce3c3bf9a16cfc6f5907Bill Pemberton .remove = mwl8k_remove, 5978a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 5979a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 59805b0a3b7eb37730c369cc47783549dcf6f54a1cd0Axel Linmodule_pci_driver(mwl8k_driver); 5981c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek 5982c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_DESCRIPTION(MWL8K_DESC); 5983c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_VERSION(MWL8K_VERSION); 5984c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_AUTHOR("Lennert Buytenhek <buytenh@marvell.com>"); 5985c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_LICENSE("GPL"); 5986