mwl8k.c revision a2ca8ecb8ffc985e82c9570c3837408f7efe8c9d
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 216c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar atomic_t watchdog_event_pending; 217c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar 218a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* lock held over TX and TX reap */ 219a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spinlock_t tx_lock; 220a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 22188de754ad59025eba797e7a8375807755577f450Lennert Buytenhek /* TX quiesce completion, protected by fw_mutex and tx_lock */ 22288de754ad59025eba797e7a8375807755577f450Lennert Buytenhek struct completion *tx_wait; 22388de754ad59025eba797e7a8375807755577f450Lennert Buytenhek 224f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek /* List of interfaces. */ 225ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek u32 macids_used; 226f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct list_head vif_list; 227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* power management status cookie from firmware */ 229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 *cookie; 230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t cookie_dma; 231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 num_mcaddrs; 233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 hw_rev; 2342aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek u32 fw_rev; 235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Running count of TX packets in flight, to avoid 238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * iterating over the transmit rings each time. 239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int pending_tx_pkts; 241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue rxq[MWL8K_RX_QUEUES]; 243e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo struct mwl8k_tx_queue txq[MWL8K_MAX_TX_QUEUES]; 244e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo u32 txq_offset[MWL8K_MAX_TX_QUEUES]; 245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 246c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek bool radio_on; 24768ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek bool radio_short_preamble; 248a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek bool sniffer_enabled; 2490439b1f55646ea944b0d58337f5065b79a1c1be0Lennert Buytenhek bool wmm_enabled; 250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* XXX need to convert this to handle multiple interfaces */ 252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek bool capture_beacon; 253d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek u8 capture_bssid[ETH_ALEN]; 254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *beacon_skb; 255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 256a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This FJ worker has to be global as it is scheduled from the 258a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * RX handler. At this point we don't know which interface it 259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * belongs to until the list of bssids waiting to complete join 260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * is checked. 261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct work_struct finalize_join_worker; 263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2641e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek /* Tasklet to perform TX reclaim. */ 2651e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek struct tasklet_struct poll_tx_task; 26667e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 26767e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek /* Tasklet to perform RX. */ 26867e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek struct tasklet_struct poll_rx_task; 2690d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 2700d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville /* Most recently reported noise in dBm */ 2710d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville s8 noise; 2720863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo 2730863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo /* 2740863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo * preserve the queue configurations so they can be restored if/when 2750863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo * the firmware image is swapped. 2760863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo */ 277e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo struct ieee80211_tx_queue_params wmm_params[MWL8K_TX_WMM_QUEUES]; 27899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 2796b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* To perform the task of reloading the firmware */ 2806b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar struct work_struct fw_reload; 2816b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar bool hw_restart_in_progress; 2826b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 28399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo /* async firmware loading state */ 28499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo unsigned fw_state; 28599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo char *fw_pref; 28699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo char *fw_alt; 28799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo struct completion firmware_loading_complete; 288a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 290e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam#define MAX_WEP_KEY_LEN 13 291e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam#define NUM_WEP_KEYS 4 292e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Per interface specific private data */ 294a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_vif { 295f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct list_head list; 296f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct ieee80211_vif *vif; 297f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek 298f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek /* Firmware macid for this vif. */ 299f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek int macid; 300f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek 301c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek /* Non AMPDU sequence number assigned by driver. */ 302a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek u16 seqno; 303e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 304e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam /* Saved WEP keys */ 305e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam struct { 306e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam u8 enabled; 307e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam u8 key[sizeof(struct ieee80211_key_conf) + MAX_WEP_KEY_LEN]; 308e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam } wep_key_conf[NUM_WEP_KEYS]; 309d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 310d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam /* BSSID */ 311d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam u8 bssid[ETH_ALEN]; 312d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 313d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam /* A flag to indicate is HW crypto is enabled for this bssid */ 314d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam bool is_hw_crypto_enabled; 315a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 316a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek#define MWL8K_VIF(_vif) ((struct mwl8k_vif *)&((_vif)->drv_priv)) 317fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define IEEE80211_KEY_CONF(_u8) ((struct ieee80211_key_conf *)(_u8)) 318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 319d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolostruct tx_traffic_info { 320d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo u32 start_time; 321d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo u32 pkts; 322d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo}; 323d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 324d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo#define MWL8K_MAX_TID 8 325a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhekstruct mwl8k_sta { 326a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek /* Index into station database. Returned by UPDATE_STADB. */ 327a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek u8 peer_id; 328170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam u8 is_ampdu_allowed; 329d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct tx_traffic_info tx_stats[MWL8K_MAX_TID]; 330a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek}; 331a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_STA(_sta) ((struct mwl8k_sta *)&((_sta)->drv_priv)) 332a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 333777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhekstatic const struct ieee80211_channel mwl8k_channels_24[] = { 334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2412, .hw_value = 1, }, 335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2417, .hw_value = 2, }, 336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2422, .hw_value = 3, }, 337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2427, .hw_value = 4, }, 338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2432, .hw_value = 5, }, 339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2437, .hw_value = 6, }, 340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2442, .hw_value = 7, }, 341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2447, .hw_value = 8, }, 342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2452, .hw_value = 9, }, 343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2457, .hw_value = 10, }, 344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2462, .hw_value = 11, }, 345647ca6b01a5289948e970ea7c1f656f9d90b0a27Lennert Buytenhek { .center_freq = 2467, .hw_value = 12, }, 346647ca6b01a5289948e970ea7c1f656f9d90b0a27Lennert Buytenhek { .center_freq = 2472, .hw_value = 13, }, 347647ca6b01a5289948e970ea7c1f656f9d90b0a27Lennert Buytenhek { .center_freq = 2484, .hw_value = 14, }, 348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 350777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhekstatic const struct ieee80211_rate mwl8k_rates_24[] = { 351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 10, .hw_value = 2, }, 352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 20, .hw_value = 4, }, 353a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 55, .hw_value = 11, }, 3545dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek { .bitrate = 110, .hw_value = 22, }, 3555dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek { .bitrate = 220, .hw_value = 44, }, 356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 60, .hw_value = 12, }, 357a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 90, .hw_value = 18, }, 358a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 120, .hw_value = 24, }, 359a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 180, .hw_value = 36, }, 360a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 240, .hw_value = 48, }, 361a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 360, .hw_value = 72, }, 362a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 480, .hw_value = 96, }, 363a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 540, .hw_value = 108, }, 364140eb5e2c1978622d7cd979d59a1c0586fe3bbdbLennert Buytenhek { .bitrate = 720, .hw_value = 144, }, 365140eb5e2c1978622d7cd979d59a1c0586fe3bbdbLennert Buytenhek}; 366140eb5e2c1978622d7cd979d59a1c0586fe3bbdbLennert Buytenhek 3674eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhekstatic const struct ieee80211_channel mwl8k_channels_50[] = { 3684eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .center_freq = 5180, .hw_value = 36, }, 3694eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .center_freq = 5200, .hw_value = 40, }, 3704eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .center_freq = 5220, .hw_value = 44, }, 3714eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .center_freq = 5240, .hw_value = 48, }, 3724eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek}; 3734eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 3744eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhekstatic const struct ieee80211_rate mwl8k_rates_50[] = { 3754eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 60, .hw_value = 12, }, 3764eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 90, .hw_value = 18, }, 3774eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 120, .hw_value = 24, }, 3784eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 180, .hw_value = 36, }, 3794eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 240, .hw_value = 48, }, 3804eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 360, .hw_value = 72, }, 3814eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 480, .hw_value = 96, }, 3824eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 540, .hw_value = 108, }, 3834eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 720, .hw_value = 144, }, 3844eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek}; 3854eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 386a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Set or get info from Firmware */ 387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET 0x0000 38841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_CMD_SET 0x0001 38941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_CMD_SET_LIST 0x0002 390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Firmware command codes */ 392a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_CODE_DNLD 0x0001 393a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET_HW_SPEC 0x0003 39442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek#define MWL8K_CMD_SET_HW_SPEC 0x0004 395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_MAC_MULTICAST_ADR 0x0010 396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET_STAT 0x0014 397ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RADIO_CONTROL 0x001c 398ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RF_TX_POWER 0x001e 39941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_CMD_TX_POWER 0x001f 40008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek#define MWL8K_CMD_RF_ANTENNA 0x0020 401aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek#define MWL8K_CMD_SET_BEACON 0x0100 /* per-vif */ 402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_PRE_SCAN 0x0107 403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_POST_SCAN 0x0108 404ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_RF_CHANNEL 0x010a 405ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_AID 0x010d 406ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_RATE 0x0110 407ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_FINALIZE_JOIN 0x0111 408ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RTS_THRESHOLD 0x0113 409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_SLOT 0x0114 410ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_EDCA_PARAMS 0x0115 411ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_WMM_MODE 0x0123 412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_MIMO_CONFIG 0x0125 413ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_USE_FIXED_RATE 0x0126 414a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_ENABLE_SNIFFER 0x0150 415aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek#define MWL8K_CMD_SET_MAC_ADDR 0x0202 /* per-vif */ 416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_RATEADAPT_MODE 0x0203 4173aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam#define MWL8K_CMD_GET_WATCHDOG_BITMAP 0x0205 418197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar#define MWL8K_CMD_DEL_MAC_ADDR 0x0206 /* per-vif */ 419aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek#define MWL8K_CMD_BSS_START 0x1100 /* per-vif */ 420aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek#define MWL8K_CMD_SET_NEW_STN 0x1111 /* per-vif */ 421fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_CMD_UPDATE_ENCRYPTION 0x1122 /* per-vif */ 422ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_UPDATE_STADB 0x1123 4235faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam#define MWL8K_CMD_BASTREAM 0x1125 424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 425b603742f49c3ec922522602e18ac22e8f6835132John W. Linvillestatic const char *mwl8k_cmd_name(__le16 cmd, char *buf, int bufsize) 426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 427b603742f49c3ec922522602e18ac22e8f6835132John W. Linville u16 command = le16_to_cpu(cmd); 428b603742f49c3ec922522602e18ac22e8f6835132John W. Linville 429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMDNAME(x) case MWL8K_CMD_##x: do {\ 430a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(buf, bufsize, "%s", #x);\ 431a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return buf;\ 432a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (0) 433b603742f49c3ec922522602e18ac22e8f6835132John W. Linville switch (command & ~0x8000) { 434a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(CODE_DNLD); 435a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(GET_HW_SPEC); 43642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek MWL8K_CMDNAME(SET_HW_SPEC); 437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(MAC_MULTICAST_ADR); 438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(GET_STAT); 439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(RADIO_CONTROL); 440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(RF_TX_POWER); 44141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam MWL8K_CMDNAME(TX_POWER); 44208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek MWL8K_CMDNAME(RF_ANTENNA); 443b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek MWL8K_CMDNAME(SET_BEACON); 444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_PRE_SCAN); 445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_POST_SCAN); 446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_RF_CHANNEL); 447ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_AID); 448ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_RATE); 449ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_FINALIZE_JOIN); 450ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(RTS_THRESHOLD); 451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_SLOT); 452ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_EDCA_PARAMS); 453ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_WMM_MODE); 454a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(MIMO_CONFIG); 455ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(USE_FIXED_RATE); 456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(ENABLE_SNIFFER); 45732060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek MWL8K_CMDNAME(SET_MAC_ADDR); 458a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_RATEADAPT_MODE); 459b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek MWL8K_CMDNAME(BSS_START); 4603f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek MWL8K_CMDNAME(SET_NEW_STN); 461fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_CMDNAME(UPDATE_ENCRYPTION); 462ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(UPDATE_STADB); 4635faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_CMDNAME(BASTREAM); 4643aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam MWL8K_CMDNAME(GET_WATCHDOG_BITMAP); 465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek default: 466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(buf, bufsize, "0x%x", cmd); 467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#undef MWL8K_CMDNAME 469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return buf; 471a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 472a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Hardware and firmware reset */ 474a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_hw_reset(struct mwl8k_priv *priv) 475a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_RESET, 477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_RESET, 479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msleep(20); 481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Release fw image */ 484d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolostatic void mwl8k_release_fw(const struct firmware **fw) 485a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (*fw == NULL) 487a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 488a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek release_firmware(*fw); 489a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek *fw = NULL; 490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_release_firmware(struct mwl8k_priv *priv) 493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 49422be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek mwl8k_release_fw(&priv->fw_ucode); 49522be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek mwl8k_release_fw(&priv->fw_helper); 496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 497a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 49899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo/* states for asynchronous f/w loading */ 49999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic void mwl8k_fw_state_machine(const struct firmware *fw, void *context); 50099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnoloenum { 50199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo FW_STATE_INIT = 0, 50299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo FW_STATE_LOADING_PREF, 50399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo FW_STATE_LOADING_ALT, 50499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo FW_STATE_ERROR, 50599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo}; 50699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 507a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Request fw image */ 508a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_request_fw(struct mwl8k_priv *priv, 509d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo const char *fname, const struct firmware **fw, 51099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo bool nowait) 511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 512a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* release current image */ 513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (*fw != NULL) 514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_fw(fw); 515a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 51699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (nowait) 51799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return request_firmware_nowait(THIS_MODULE, 1, fname, 51899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->pdev->dev, GFP_KERNEL, 51999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv, mwl8k_fw_state_machine); 52099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 521d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo return request_firmware(fw, fname, &priv->pdev->dev); 522a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 523a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 52499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic int mwl8k_request_firmware(struct mwl8k_priv *priv, char *fw_image, 52599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo bool nowait) 526a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 527a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek struct mwl8k_device_info *di = priv->device_info; 528a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 529a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 530a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek if (di->helper_image != NULL) { 53199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (nowait) 53299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, di->helper_image, 53399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->fw_helper, true); 53499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 53599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, di->helper_image, 53699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->fw_helper, false); 53799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 53899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting helper fw %s\n", 53999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo pci_name(priv->pdev), di->helper_image); 54099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 54199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc || nowait) 542a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek return rc; 543a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 544a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 54599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (nowait) { 54699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo /* 54799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * if we get here, no helper image is needed. Skip the 54899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * FW_STATE_INIT state. 54999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo */ 55099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_LOADING_PREF; 55199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, fw_image, 55299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->fw_ucode, 55399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo true); 55499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else 55599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, fw_image, 55699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->fw_ucode, false); 557a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 558c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Error requesting firmware file %s\n", 5590863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo pci_name(priv->pdev), fw_image); 56022be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek mwl8k_release_fw(&priv->fw_helper); 561a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 562a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 563a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 564a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 565a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 566a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 567a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_pkt { 568a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 code; 569a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 length; 570f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek __u8 seq_num; 571f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek __u8 macid; 572a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 result; 573a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek char payload[0]; 574ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 575a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 576a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Firmware loading. 578a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 579a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 580a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_send_fw_load_cmd(struct mwl8k_priv *priv, void *data, int length) 581a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 582a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs = priv->regs; 583a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma_addr; 584a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int loops; 585a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr = pci_map_single(priv->pdev, data, length, PCI_DMA_TODEVICE); 587a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma_addr)) 588a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR); 591a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, regs + MWL8K_HIU_INT_CODE); 592a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DOORBELL, 593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 597a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek loops = 1000; 598a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 599a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 int_code; 600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 601a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int_code = ioread32(regs + MWL8K_HIU_INT_CODE); 602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (int_code == MWL8K_INT_CODE_CMD_FINISHED) { 603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, regs + MWL8K_HIU_INT_CODE); 604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 6073d76e82c9538d8104e578ca460d35f214bfddfd3Lennert Buytenhek cond_resched(); 608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (--loops); 610a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 611a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, length, PCI_DMA_TODEVICE); 612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 613d4b7057052236e81ab0788cc8df306dc02b0e7beLennert Buytenhek return loops ? 0 : -ETIMEDOUT; 614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_load_fw_image(struct mwl8k_priv *priv, 617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *data, size_t length) 618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt *cmd; 620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int done; 621a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc = 0; 622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 623a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kmalloc(sizeof(*cmd) + 256, GFP_KERNEL); 624a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 626a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 627a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->code = cpu_to_le16(MWL8K_CMD_CODE_DNLD); 628a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->seq_num = 0; 629f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek cmd->macid = 0; 630a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->result = 0; 631a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 632a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done = 0; 633a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (length) { 634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int block_size = length > 256 ? 256 : length; 635a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(cmd->payload, data + done, block_size); 637a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->length = cpu_to_le16(block_size); 638a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 639a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, cmd, 640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(*cmd) + block_size); 641a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 642a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done += block_size; 645a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek length -= block_size; 646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->length = 0; 650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, cmd, sizeof(*cmd)); 651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_feed_fw_image(struct mwl8k_priv *priv, 659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *data, size_t length) 660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned char *buffer; 662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int may_continue, rc = 0; 663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 done, prev_block_size; 664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek buffer = kmalloc(1024, GFP_KERNEL); 666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (buffer == NULL) 667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 668a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done = 0; 670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prev_block_size = 0; 671a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue = 1000; 672a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (may_continue > 0) { 673a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 block_size; 674a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 675a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek block_size = ioread32(priv->regs + MWL8K_HIU_SCRATCH); 676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size & 1) { 677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek block_size &= ~1; 678a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue--; 679a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 680a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done += prev_block_size; 681a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek length -= prev_block_size; 682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 683a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 684a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size > 1024 || block_size > length) { 685a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EOVERFLOW; 686a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 687a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 689a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (length == 0) { 690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = 0; 691a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 693a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 694a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size == 0) { 695a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EPROTO; 696a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue--; 697a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 698a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek continue; 699a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 700a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prev_block_size = block_size; 702a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(buffer, data + done, block_size); 703a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 704a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, buffer, block_size); 705a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 707a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 708a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 709a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc && length != 0) 710a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EREMOTEIO; 711a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 712a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(buffer); 713a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 714a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 715a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 716a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 717c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhekstatic int mwl8k_load_firmware(struct ieee80211_hw *hw) 718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 719c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 720d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo const struct firmware *fw = priv->fw_ucode; 721c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek int rc; 722c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek int loops; 723c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek 724c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek if (!memcmp(fw->data, "\x01\x00\x00\x00", 4)) { 725d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo const struct firmware *helper = priv->fw_helper; 726a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 727c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek if (helper == NULL) { 728c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: helper image needed but none " 729c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "given\n", pci_name(priv->pdev)); 730c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek return -EINVAL; 731c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek } 732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 733c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_load_fw_image(priv, helper->data, helper->size); 734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: unable to load firmware " 736c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "helper image\n", pci_name(priv->pdev)); 737a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 738a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 739ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar msleep(20); 740a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 741c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_feed_fw_image(priv, fw->data, fw->size); 742a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 743c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_load_fw_image(priv, fw->data, fw->size); 744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 745a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 746a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 747c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: unable to load firmware image\n", 748c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek pci_name(priv->pdev)); 749a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 750a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 75289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek iowrite32(MWL8K_MODE_STA, priv->regs + MWL8K_HIU_GEN_PTR); 753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 75489b872e2e476833cde8aaac658c75817f67e8f81Lennert Buytenhek loops = 500000; 755a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 756eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek u32 ready_code; 757eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek 758eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek ready_code = ioread32(priv->regs + MWL8K_HIU_INT_CODE); 759eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek if (ready_code == MWL8K_FWAP_READY) { 7603db1cd5c05f35fb43eb134df6f321de4e63141f2Rusty Russell priv->ap_fw = true; 761eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek break; 762eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek } else if (ready_code == MWL8K_FWSTA_READY) { 7633db1cd5c05f35fb43eb134df6f321de4e63141f2Rusty Russell priv->ap_fw = false; 764a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 765eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek } 766eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek 767eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek cond_resched(); 768a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 769a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (--loops); 770a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return loops ? 0 : -ETIMEDOUT; 772a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 773a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 774a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 775a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* DMA header used by firmware and hardware. */ 776a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_dma_data { 777a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 fwlen; 778a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr wh; 77920f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek char data[0]; 780ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 781a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 782a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Routines to add/remove DMA header from skb. */ 78320f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhekstatic inline void mwl8k_remove_dma_header(struct sk_buff *skb, __le16 qos) 784a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 78520f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek struct mwl8k_dma_data *tr; 78620f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek int hdrlen; 78720f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 78820f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek tr = (struct mwl8k_dma_data *)skb->data; 78920f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek hdrlen = ieee80211_hdrlen(tr->wh.frame_control); 79020f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 79120f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek if (hdrlen != sizeof(tr->wh)) { 79220f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek if (ieee80211_is_data_qos(tr->wh.frame_control)) { 79320f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek memmove(tr->data - hdrlen, &tr->wh, hdrlen - 2); 79420f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek *((__le16 *)(tr->data - 2)) = qos; 79520f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek } else { 79620f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek memmove(tr->data - hdrlen, &tr->wh, hdrlen); 79720f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek } 798a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 79920f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 80020f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek if (hdrlen != sizeof(*tr)) 80120f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek skb_pull(skb, sizeof(*tr) - hdrlen); 802a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 803a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 804ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar#define REDUCED_TX_HEADROOM 8 805ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 806252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadamstatic void 807e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powarmwl8k_add_dma_header(struct mwl8k_priv *priv, struct sk_buff *skb, 808e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar int head_pad, int tail_pad) 809a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 810a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 811ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek int hdrlen; 812252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam int reqd_hdrlen; 813a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_dma_data *tr; 814a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 815ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek /* 816ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * Add a firmware DMA header; the firmware requires that we 817ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * present a 2-byte payload length followed by a 4-address 818ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * header (without QoS field), followed (optionally) by any 819ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * WEP/ExtIV header (but only filled in for CCMP). 820ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek */ 821a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 822ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek 823a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hdrlen = ieee80211_hdrlen(wh->frame_control); 824ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 825ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar /* 826ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar * Check if skb_resize is required because of 827ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar * tx_headroom adjustment. 828ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar */ 829ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar if (priv->ap_fw && (hdrlen < (sizeof(struct ieee80211_cts) 830ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar + REDUCED_TX_HEADROOM))) { 831ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar if (pskb_expand_head(skb, REDUCED_TX_HEADROOM, 0, GFP_ATOMIC)) { 832ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 833ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar wiphy_err(priv->hw->wiphy, 834ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar "Failed to reallocate TX buffer\n"); 835ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar return; 836ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar } 837ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar skb->truesize += REDUCED_TX_HEADROOM; 838ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar } 839ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 840e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar reqd_hdrlen = sizeof(*tr) + head_pad; 841252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam 842252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam if (hdrlen != reqd_hdrlen) 843252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam skb_push(skb, reqd_hdrlen - hdrlen); 844a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 845ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek if (ieee80211_is_data_qos(wh->frame_control)) 846252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam hdrlen -= IEEE80211_QOS_CTL_LEN; 847a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 848a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tr = (struct mwl8k_dma_data *)skb->data; 849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (wh != &tr->wh) 850a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memmove(&tr->wh, wh, hdrlen); 851ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek if (hdrlen != sizeof(tr->wh)) 852ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek memset(((void *)&tr->wh) + hdrlen, 0, sizeof(tr->wh) - hdrlen); 853a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 854a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 855a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Firmware length is the length of the fully formed "802.11 856a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * payload". That is, everything except for the 802.11 header. 857a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This includes all crypto material including the MIC. 858a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 859252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam tr->fwlen = cpu_to_le16(skb->len - sizeof(*tr) + tail_pad); 860a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 861a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 862ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powarstatic void mwl8k_encapsulate_tx_frame(struct mwl8k_priv *priv, 863ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar struct sk_buff *skb) 864e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam{ 865e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam struct ieee80211_hdr *wh; 866e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam struct ieee80211_tx_info *tx_info; 867e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam struct ieee80211_key_conf *key_conf; 868e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam int data_pad; 869e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar int head_pad = 0; 870e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 871e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam wh = (struct ieee80211_hdr *)skb->data; 872e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 873e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam tx_info = IEEE80211_SKB_CB(skb); 874e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 875e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam key_conf = NULL; 876e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam if (ieee80211_is_data(wh->frame_control)) 877e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam key_conf = tx_info->control.hw_key; 878e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 879e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam /* 880e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * Make sure the packet header is in the DMA header format (4-address 881e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar * without QoS), and add head & tail padding when HW crypto is enabled. 882e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * 883e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * We have the following trailer padding requirements: 884e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * - WEP: 4 trailer bytes (ICV) 885e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * - TKIP: 12 trailer bytes (8 MIC + 4 ICV) 886e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * - CCMP: 8 trailer bytes (MIC) 887e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam */ 888e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam data_pad = 0; 889e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam if (key_conf != NULL) { 890e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar head_pad = key_conf->iv_len; 891e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam switch (key_conf->cipher) { 892e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam case WLAN_CIPHER_SUITE_WEP40: 893e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam case WLAN_CIPHER_SUITE_WEP104: 894e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam data_pad = 4; 895e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam break; 896e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam case WLAN_CIPHER_SUITE_TKIP: 897e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam data_pad = 12; 898e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam break; 899e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam case WLAN_CIPHER_SUITE_CCMP: 900e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam data_pad = 8; 901e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam break; 902e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam } 903e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam } 904e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar mwl8k_add_dma_header(priv, skb, head_pad, data_pad); 905e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam} 906a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 907a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 90889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek * Packet reception for 88w8366 AP firmware. 9096f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek */ 91089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstruct mwl8k_rxd_8366_ap { 9116f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le16 pkt_len; 9126f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 sq2; 9136f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rate; 9146f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 pkt_phys_addr; 9156f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 next_rxd_phys_addr; 9166f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le16 qos_control; 9176f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le16 htsig2; 9186f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 hw_rssi_info; 9196f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 hw_noise_floor_info; 9206f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 noise_floor; 9216f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 pad0[3]; 9226f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rssi; 9236f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rx_status; 9246f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 channel; 9256f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rx_ctrl; 926ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 9276f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 92889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RATE_INFO_MCS_FORMAT 0x80 92989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RATE_INFO_40MHZ 0x40 93089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RATE_INFO_RATEID(x) ((x) & 0x3f) 9318e9f33f0ced82a797d285b233e1c956cbd5c7de3Lennert Buytenhek 93289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RX_CTRL_OWNED_BY_HOST 0x80 9336f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 934d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam/* 8366 AP rx_status bits */ 935d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_8366_AP_RXSTAT_DECRYPT_ERR_MASK 0x80 936d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_8366_AP_RXSTAT_GENERAL_DECRYPT_ERR 0xFF 937d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_8366_AP_RXSTAT_TKIP_DECRYPT_MIC_ERR 0x02 938d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_8366_AP_RXSTAT_WEP_DECRYPT_ICV_ERR 0x04 939d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_8366_AP_RXSTAT_TKIP_DECRYPT_ICV_ERR 0x08 940d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 94189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_8366_ap_init(void *_rxd, dma_addr_t next_dma_addr) 9426f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek{ 94389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_8366_ap *rxd = _rxd; 9446f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9456f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->next_rxd_phys_addr = cpu_to_le32(next_dma_addr); 94689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek rxd->rx_ctrl = MWL8K_8366_AP_RX_CTRL_OWNED_BY_HOST; 9476f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek} 9486f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 94989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_8366_ap_refill(void *_rxd, dma_addr_t addr, int len) 9506f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek{ 95189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_8366_ap *rxd = _rxd; 9526f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9536f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->pkt_len = cpu_to_le16(len); 9546f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->pkt_phys_addr = cpu_to_le32(addr); 9556f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek wmb(); 9566f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->rx_ctrl = 0; 9576f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek} 9586f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9596f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhekstatic int 96089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekmwl8k_rxd_8366_ap_process(void *_rxd, struct ieee80211_rx_status *status, 9610d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville __le16 *qos, s8 *noise) 9626f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek{ 96389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_8366_ap *rxd = _rxd; 9646f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 96589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (!(rxd->rx_ctrl & MWL8K_8366_AP_RX_CTRL_OWNED_BY_HOST)) 9666f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek return -1; 9676f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rmb(); 9686f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9696f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek memset(status, 0, sizeof(*status)); 9706f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9716f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->signal = -rxd->rssi; 9720d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville *noise = -rxd->noise_floor; 9736f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 97489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rxd->rate & MWL8K_8366_AP_RATE_INFO_MCS_FORMAT) { 9756f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->flag |= RX_FLAG_HT; 97689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rxd->rate & MWL8K_8366_AP_RATE_INFO_40MHZ) 9778e9f33f0ced82a797d285b233e1c956cbd5c7de3Lennert Buytenhek status->flag |= RX_FLAG_40MHZ; 97889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek status->rate_idx = MWL8K_8366_AP_RATE_INFO_RATEID(rxd->rate); 9796f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } else { 9806f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek int i; 9816f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 982777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek for (i = 0; i < ARRAY_SIZE(mwl8k_rates_24); i++) { 983777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek if (mwl8k_rates_24[i].hw_value == rxd->rate) { 9846f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->rate_idx = i; 9856f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek break; 9866f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } 9876f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } 9886f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } 9896f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 990854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek if (rxd->channel > 14) { 991854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->band = IEEE80211_BAND_5GHZ; 992854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek if (!(status->flag & RX_FLAG_HT)) 993854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->rate_idx -= 5; 994854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek } else { 995854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->band = IEEE80211_BAND_2GHZ; 996854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek } 99759eb21a6504731fc16db4cf9463065dd61093e08Bruno Randolf status->freq = ieee80211_channel_to_frequency(rxd->channel, 99859eb21a6504731fc16db4cf9463065dd61093e08Bruno Randolf status->band); 9996f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 100020f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek *qos = rxd->qos_control; 100120f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 1002d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if ((rxd->rx_status != MWL8K_8366_AP_RXSTAT_GENERAL_DECRYPT_ERR) && 1003d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam (rxd->rx_status & MWL8K_8366_AP_RXSTAT_DECRYPT_ERR_MASK) && 1004d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam (rxd->rx_status & MWL8K_8366_AP_RXSTAT_TKIP_DECRYPT_MIC_ERR)) 1005d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam status->flag |= RX_FLAG_MMIC_ERROR; 1006d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 10076f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek return le16_to_cpu(rxd->pkt_len); 10086f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek} 10096f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 101089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic struct rxd_ops rxd_8366_ap_ops = { 101189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_size = sizeof(struct mwl8k_rxd_8366_ap), 101289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_init = mwl8k_rxd_8366_ap_init, 101389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_refill = mwl8k_rxd_8366_ap_refill, 101489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_process = mwl8k_rxd_8366_ap_process, 10156f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek}; 10166f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 10176f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek/* 101889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek * Packet reception for STA firmware. 1019a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 102089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstruct mwl8k_rxd_sta { 1021a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pkt_len; 1022a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 link_quality; 1023a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 noise_level; 1024a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pkt_phys_addr; 102545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 next_rxd_phys_addr; 1026a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 qos_control; 1027a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 rate_info; 1028a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pad0[4]; 1029a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rssi; 1030a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 channel; 1031a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pad1; 1032a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_ctrl; 1033a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_status; 1034a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 pad2[2]; 1035ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 1036a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 103789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_SHORTPRE 0x8000 103889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_ANTSELECT(x) (((x) >> 11) & 0x3) 103989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_RATEID(x) (((x) >> 3) & 0x3f) 104089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_40MHZ 0x0004 104189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_SHORTGI 0x0002 104289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_MCS_FORMAT 0x0001 104354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 104489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RX_CTRL_OWNED_BY_HOST 0x02 1045d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_STA_RX_CTRL_DECRYPT_ERROR 0x04 1046d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam/* ICV=0 or MIC=1 */ 1047d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_STA_RX_CTRL_DEC_ERR_TYPE 0x08 1048d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam/* Key is uploaded only in failure case */ 1049d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_STA_RX_CTRL_KEY_INDEX 0x30 105054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 105189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_sta_init(void *_rxd, dma_addr_t next_dma_addr) 105254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek{ 105389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_sta *rxd = _rxd; 105454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 105554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->next_rxd_phys_addr = cpu_to_le32(next_dma_addr); 105689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek rxd->rx_ctrl = MWL8K_STA_RX_CTRL_OWNED_BY_HOST; 105754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek} 105854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 105989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_sta_refill(void *_rxd, dma_addr_t addr, int len) 106054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek{ 106189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_sta *rxd = _rxd; 106254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 106354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->pkt_len = cpu_to_le16(len); 106454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->pkt_phys_addr = cpu_to_le32(addr); 106554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek wmb(); 106654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->rx_ctrl = 0; 106754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek} 106854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 106954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhekstatic int 107089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekmwl8k_rxd_sta_process(void *_rxd, struct ieee80211_rx_status *status, 10710d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville __le16 *qos, s8 *noise) 107254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek{ 107389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_sta *rxd = _rxd; 107454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek u16 rate_info; 107554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 107689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (!(rxd->rx_ctrl & MWL8K_STA_RX_CTRL_OWNED_BY_HOST)) 107754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek return -1; 107854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rmb(); 107954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 108054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rate_info = le16_to_cpu(rxd->rate_info); 108154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 108254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek memset(status, 0, sizeof(*status)); 108354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 108454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->signal = -rxd->rssi; 10850d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville *noise = -rxd->noise_level; 108689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek status->antenna = MWL8K_STA_RATE_INFO_ANTSELECT(rate_info); 108789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek status->rate_idx = MWL8K_STA_RATE_INFO_RATEID(rate_info); 108854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 108989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_SHORTPRE) 109054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_SHORTPRE; 109189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_40MHZ) 109254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_40MHZ; 109389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_SHORTGI) 109454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_SHORT_GI; 109589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_MCS_FORMAT) 109654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_HT; 109754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 1098854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek if (rxd->channel > 14) { 1099854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->band = IEEE80211_BAND_5GHZ; 1100854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek if (!(status->flag & RX_FLAG_HT)) 1101854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->rate_idx -= 5; 1102854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek } else { 1103854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->band = IEEE80211_BAND_2GHZ; 1104854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek } 110559eb21a6504731fc16db4cf9463065dd61093e08Bruno Randolf status->freq = ieee80211_channel_to_frequency(rxd->channel, 110659eb21a6504731fc16db4cf9463065dd61093e08Bruno Randolf status->band); 110754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 110820f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek *qos = rxd->qos_control; 1109d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if ((rxd->rx_ctrl & MWL8K_STA_RX_CTRL_DECRYPT_ERROR) && 1110d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam (rxd->rx_ctrl & MWL8K_STA_RX_CTRL_DEC_ERR_TYPE)) 1111d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam status->flag |= RX_FLAG_MMIC_ERROR; 111220f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 111354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek return le16_to_cpu(rxd->pkt_len); 111454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek} 111554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 111689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic struct rxd_ops rxd_sta_ops = { 111789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_size = sizeof(struct mwl8k_rxd_sta), 111889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_init = mwl8k_rxd_sta_init, 111989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_refill = mwl8k_rxd_sta_refill, 112089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_process = mwl8k_rxd_sta_process, 112154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek}; 112254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 112354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 1124a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_DESCS 256 1125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_MAXSZ 3800 1126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1127a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_rxq_init(struct ieee80211_hw *hw, int index) 1128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1130a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 1131a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int size; 1132a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 113445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd_count = 0; 113545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->head = 0; 113645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->tail = 0; 1137a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 113854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek size = MWL8K_RX_DESCS * priv->rxd_ops->rxd_size; 1139a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 114045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd = pci_alloc_consistent(priv->pdev, size, &rxq->rxd_dma); 114145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (rxq->rxd == NULL) { 11425db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to alloc RX descriptors\n"); 1143a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1144a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 114545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek memset(rxq->rxd, 0, size); 1146a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1147b9ede5f1dc03f96949dcaa8f8b3483766c047260Shan Wei rxq->buf = kcalloc(MWL8K_RX_DESCS, sizeof(*rxq->buf), GFP_KERNEL); 1148788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek if (rxq->buf == NULL) { 11495db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to alloc RX skbuff list\n"); 115045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek pci_free_consistent(priv->pdev, size, rxq->rxd, rxq->rxd_dma); 1151a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1153a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_RX_DESCS; i++) { 115554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek int desc_size; 115654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 1157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int nexti; 115854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek dma_addr_t next_dma_addr; 115954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 116054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek desc_size = priv->rxd_ops->rxd_size; 116154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd = rxq->rxd + (i * priv->rxd_ops->rxd_size); 1162a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 116354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek nexti = i + 1; 116454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (nexti == MWL8K_RX_DESCS) 116554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek nexti = 0; 116654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek next_dma_addr = rxq->rxd_dma + (nexti * desc_size); 1167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 116854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek priv->rxd_ops->rxd_init(rxd, next_dma_addr); 1169a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1172a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1173a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1174a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int rxq_refill(struct ieee80211_hw *hw, int index, int limit) 1175a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1176a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1177a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 1178a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int refilled; 1179a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek refilled = 0; 118145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek while (rxq->rxd_count < MWL8K_RX_DESCS && limit--) { 1182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 1183788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek dma_addr_t addr; 1184a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rx; 118554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 1186a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb = dev_alloc_skb(MWL8K_RX_MAXSZ); 1188a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (skb == NULL) 1189a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 1190a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1191788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek addr = pci_map_single(priv->pdev, skb->data, 1192788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, DMA_FROM_DEVICE); 1193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 119454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->rxd_count++; 119554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rx = rxq->tail++; 119654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (rxq->tail == MWL8K_RX_DESCS) 119754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->tail = 0; 1198788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[rx].skb = skb; 119953b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr_set(&rxq->buf[rx], dma, addr); 120054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 120154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd = rxq->rxd + (rx * priv->rxd_ops->rxd_size); 120254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek priv->rxd_ops->rxd_refill(rxd, addr, MWL8K_RX_MAXSZ); 1203a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1204a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek refilled++; 1205a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return refilled; 1208a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1209a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1210a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Must be called only when the card's reception is completely halted */ 1211a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_rxq_deinit(struct ieee80211_hw *hw, int index) 1212a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1214a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 1215a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 121773b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (rxq->rxd == NULL) 121873b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo return; 121973b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo 1220a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_RX_DESCS; i++) { 1221788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek if (rxq->buf[i].skb != NULL) { 1222788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_single(priv->pdev, 122353b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr(&rxq->buf[i], dma), 1224788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE); 122553b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr_set(&rxq->buf[i], dma, 0); 1226788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek 1227788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek kfree_skb(rxq->buf[i].skb); 1228788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[i].skb = NULL; 1229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1232788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek kfree(rxq->buf); 1233788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf = NULL; 1234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 123654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek MWL8K_RX_DESCS * priv->rxd_ops->rxd_size, 123745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd, rxq->rxd_dma); 123845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd = NULL; 1239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Scan a list of BSSIDs to process for finalize join. 1244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Allows for extension to process multiple BSSIDs. 1245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline int 1247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_capture_bssid(struct mwl8k_priv *priv, struct ieee80211_hdr *wh) 1248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return priv->capture_beacon && 1250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_is_beacon(wh->frame_control) && 12512e42e4747ea72943c21551d8a206b51a9893b1e0Joe Perches ether_addr_equal(wh->addr3, priv->capture_bssid); 1252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1253a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 12543779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhekstatic inline void mwl8k_save_beacon(struct ieee80211_hw *hw, 12553779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek struct sk_buff *skb) 1256a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 12573779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 12583779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek 1259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = false; 1260d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memset(priv->capture_bssid, 0, ETH_ALEN); 1261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 1263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Use GFP_ATOMIC as rxq_process is called from 1264a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * the primary interrupt handler, memory allocation call 1265a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * must not sleep. 1266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1267a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->beacon_skb = skb_copy(skb, GFP_ATOMIC); 1268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->beacon_skb != NULL) 12693779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek ieee80211_queue_work(hw, &priv->finalize_join_worker); 1270a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1272d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadamstatic inline struct mwl8k_vif *mwl8k_find_vif_bss(struct list_head *vif_list, 1273d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam u8 *bssid) 1274d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam{ 1275d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam struct mwl8k_vif *mwl8k_vif; 1276d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1277d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam list_for_each_entry(mwl8k_vif, 1278d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam vif_list, list) { 1279d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (memcmp(bssid, mwl8k_vif->bssid, 1280d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam ETH_ALEN) == 0) 1281d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam return mwl8k_vif; 1282d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 1283d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1284d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam return NULL; 1285d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam} 1286d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int rxq_process(struct ieee80211_hw *hw, int index, int limit) 1288a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1290d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam struct mwl8k_vif *mwl8k_vif = NULL; 1291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 1292a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int processed; 1293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1294a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek processed = 0; 129545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek while (rxq->rxd_count && limit--) { 1296a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 129754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 129854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek int pkt_len; 1299a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rx_status status; 1300d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam struct ieee80211_hdr *wh; 130120f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek __le16 qos; 1302a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1303788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek skb = rxq->buf[rxq->head].skb; 1304d25f9f1357139bbdc79bc960ea84909a7c22ec2bLennert Buytenhek if (skb == NULL) 1305d25f9f1357139bbdc79bc960ea84909a7c22ec2bLennert Buytenhek break; 130654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 130754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd = rxq->rxd + (rxq->head * priv->rxd_ops->rxd_size); 130854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 13090d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville pkt_len = priv->rxd_ops->rxd_process(rxd, &status, &qos, 13100d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville &priv->noise); 131154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (pkt_len < 0) 131254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek break; 131354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 1314788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[rxq->head].skb = NULL; 1315788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek 1316788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_single(priv->pdev, 131753b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr(&rxq->buf[rxq->head], dma), 1318788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE); 131953b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr_set(&rxq->buf[rxq->head], dma, 0); 1320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 132154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->head++; 132254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (rxq->head == MWL8K_RX_DESCS) 132354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->head = 0; 132454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 132545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd_count--; 1326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1327d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam wh = &((struct mwl8k_dma_data *)skb->data)->wh; 1328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1329a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 1330c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * Check for a pending join operation. Save a 1331c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * copy of the beacon and schedule a tasklet to 1332c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * send a FINALIZE_JOIN command to the firmware. 1333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 133454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (mwl8k_capture_bssid(priv, (void *)skb->data)) 13353779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek mwl8k_save_beacon(hw, skb); 1336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1337d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (ieee80211_has_protected(wh->frame_control)) { 1338d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1339d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam /* Check if hw crypto has been enabled for 1340d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * this bss. If yes, set the status flags 1341d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * accordingly 1342d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam */ 1343d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam mwl8k_vif = mwl8k_find_vif_bss(&priv->vif_list, 1344d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam wh->addr1); 1345d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1346d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (mwl8k_vif != NULL && 134723677ce3172fcb93522a1df077d21019e73ee1e3Joe Perches mwl8k_vif->is_hw_crypto_enabled) { 1348d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam /* 1349d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * When MMIC ERROR is encountered 1350d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * by the firmware, payload is 1351d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * dropped and only 32 bytes of 1352d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * mwl8k Firmware header is sent 1353d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * to the host. 1354d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * 1355d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * We need to add four bytes of 1356d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * key information. In it 1357d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * MAC80211 expects keyidx set to 1358d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * 0 for triggering Counter 1359d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * Measure of MMIC failure. 1360d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam */ 1361d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (status.flag & RX_FLAG_MMIC_ERROR) { 1362d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam struct mwl8k_dma_data *tr; 1363d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam tr = (struct mwl8k_dma_data *)skb->data; 1364d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam memset((void *)&(tr->data), 0, 4); 1365d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam pkt_len += 4; 1366d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 1367d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1368d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (!ieee80211_is_auth(wh->frame_control)) 1369d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam status.flag |= RX_FLAG_IV_STRIPPED | 1370d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam RX_FLAG_DECRYPTED | 1371d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam RX_FLAG_MMIC_STRIPPED; 1372d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 1373d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 1374d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1375d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam skb_put(skb, pkt_len); 1376d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam mwl8k_remove_dma_header(skb, qos); 1377f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); 1378f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg ieee80211_rx_irqsafe(hw, skb); 1379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1380a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek processed++; 1381a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1382a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1383a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return processed; 1384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1386a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1388a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Packet transmission. 1389a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK 0x00000001 1392a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK_RETRY 0x00000002 1393a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK_MORE_RETRY 0x00000004 1394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_MULTICAST_TX 0x00000008 1395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_FW_OWNED 0x80000000 1396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1397e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_QLEN_UNSPEC 0xff00 1398e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_ACK_POLICY_MASK 0x0060 1399e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_ACK_POLICY_NORMAL 0x0000 1400e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_ACK_POLICY_BLOCKACK 0x0060 1401e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_EOSP 0x0010 1402e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek 1403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_tx_desc { 1404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 status; 1405a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 data_rate; 1406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 tx_priority; 1407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 qos_control; 1408a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pkt_phys_addr; 1409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pkt_len; 1410d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 dest_MAC_addr[ETH_ALEN]; 141145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 next_txd_phys_addr; 14128a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo __le32 timestamp; 1413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 rate_info; 1414a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 peer_id; 1415a1fe24b0fd8bf16b4e551ae3fb785bfc574b9ffbBrian Cavagnolo __u8 tx_frag_cnt; 1416ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 1417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TX_DESCS 128 1419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1420a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_txq_init(struct ieee80211_hw *hw, int index) 1421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int size; 1425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 14278ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo txq->len = 0; 142845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->head = 0; 142945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail = 0; 1430a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1431a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek size = MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc); 1432a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 143345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->txd = pci_alloc_consistent(priv->pdev, size, &txq->txd_dma); 143445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->txd == NULL) { 14355db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to alloc TX descriptors\n"); 1436a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 143845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek memset(txq->txd, 0, size); 1439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1440b9ede5f1dc03f96949dcaa8f8b3483766c047260Shan Wei txq->skb = kcalloc(MWL8K_TX_DESCS, sizeof(*txq->skb), GFP_KERNEL); 144145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->skb == NULL) { 14425db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to alloc TX skbuff list\n"); 144345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek pci_free_consistent(priv->pdev, size, txq->txd, txq->txd_dma); 1444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1447a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_DESCS; i++) { 1448a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int nexti; 1450a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 145145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc = txq->txd + i; 1452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek nexti = (i + 1) % MWL8K_TX_DESCS; 1453a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1454a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->status = 0; 145545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc->next_txd_phys_addr = 145645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cpu_to_le32(txq->txd_dma + nexti * sizeof(*tx_desc)); 1457a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1458a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1459a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1460a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1461a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1462a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline void mwl8k_tx_start(struct mwl8k_priv *priv) 1463a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_PPA_READY, 1465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 1467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ioread32(priv->regs + MWL8K_HIU_INT_CODE); 1469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 14717e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhekstatic void mwl8k_dump_tx_rings(struct ieee80211_hw *hw) 1472a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 14737e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 14747e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int i; 14757e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1476e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) { 14777e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + i; 14787e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int fw_owned = 0; 14797e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int drv_owned = 0; 14807e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int unused = 0; 14817e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int desc; 14827e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (desc = 0; desc < MWL8K_TX_DESCS; desc++) { 14847e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek struct mwl8k_tx_desc *tx_desc = txq->txd + desc; 14857e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek u32 status; 1486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 14877e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek status = le32_to_cpu(tx_desc->status); 1488a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_TXD_STATUS_FW_OWNED) 14897e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek fw_owned++; 1490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek else 14917e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek drv_owned++; 1492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (tx_desc->pkt_len == 0) 14947e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek unused++; 1495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1497c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_err(hw->wiphy, 1498c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "txq[%d] len=%d head=%d tail=%d " 1499c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "fw_owned=%d drv_owned=%d unused=%d\n", 1500c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches i, 1501c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches txq->len, txq->head, txq->tail, 1502c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches fw_owned, drv_owned, unused); 15037e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek } 1504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1506618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek/* 150788de754ad59025eba797e7a8375807755577f450Lennert Buytenhek * Must be called with priv->fw_mutex held and tx queues stopped. 1508618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek */ 150962abd3cfb2f1a0ab1963ac4c4087c477da6b1f2aLennert Buytenhek#define MWL8K_TX_WAIT_TIMEOUT_MS 5000 15107e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1511950d5b0191dc3e71017f336017f75f6189f39f08Lennert Buytenhekstatic int mwl8k_tx_wait_empty(struct ieee80211_hw *hw) 1512a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 151488de754ad59025eba797e7a8375807755577f450Lennert Buytenhek DECLARE_COMPLETION_ONSTACK(tx_wait); 15157e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int retry; 15167e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int rc; 1517a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1518a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek might_sleep(); 1519a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15206b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* Since fw restart is in progress, allow only the firmware 15216b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * commands from the restart code and block the other 15226b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * commands since they are going to fail in any case since 15236b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * the firmware has crashed 15246b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 15256b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->hw_restart_in_progress) { 15266b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->hw_restart_owner == current) 15276b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar return 0; 15286b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar else 15296b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar return -EBUSY; 15306b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar } 15316b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 1532c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar if (atomic_read(&priv->watchdog_event_pending)) 1533c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar return 0; 1534c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar 15357e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek /* 15367e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek * The TX queues are stopped at this point, so this test 15377e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek * doesn't need to take ->tx_lock. 15387e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek */ 15397e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek if (!priv->pending_tx_pkts) 15407e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek return 0; 15417e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 15427e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek retry = 0; 15437e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek rc = 0; 15447e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1545a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 15467e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek priv->tx_wait = &tx_wait; 15477e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek while (!rc) { 15487e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int oldcount; 15497e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek unsigned long timeout; 1550a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15517e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek oldcount = priv->pending_tx_pkts; 1552a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15537e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek spin_unlock_bh(&priv->tx_lock); 155488de754ad59025eba797e7a8375807755577f450Lennert Buytenhek timeout = wait_for_completion_timeout(&tx_wait, 15557e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek msecs_to_jiffies(MWL8K_TX_WAIT_TIMEOUT_MS)); 1556c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar 1557c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar if (atomic_read(&priv->watchdog_event_pending)) { 1558c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar spin_lock_bh(&priv->tx_lock); 1559c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar priv->tx_wait = NULL; 1560c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar spin_unlock_bh(&priv->tx_lock); 1561c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar return 0; 1562c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar } 1563c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar 1564a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 15657e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 15667e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek if (timeout) { 15677e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek WARN_ON(priv->pending_tx_pkts); 1568ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar if (retry) 1569c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_notice(hw->wiphy, "tx rings drained\n"); 15707e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek break; 15717e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek } 15727e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 15737e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek if (priv->pending_tx_pkts < oldcount) { 1574c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_notice(hw->wiphy, 1575c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "waiting for tx rings to drain (%d -> %d pkts)\n", 1576c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches oldcount, priv->pending_tx_pkts); 15777e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek retry = 1; 15787e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek continue; 15797e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek } 15807e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1581a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->tx_wait = NULL; 1582a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1583c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_err(hw->wiphy, "tx rings stuck for %d ms\n", 1584c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches MWL8K_TX_WAIT_TIMEOUT_MS); 15857e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek mwl8k_dump_tx_rings(hw); 15866b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hw_restart_in_progress = true; 15876b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar ieee80211_queue_work(hw, &priv->fw_reload); 15887e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 15897e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek rc = -ETIMEDOUT; 1590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 15919b0b11fb1e286e03ce911b94844952edd05f554eNishant Sarmukadam priv->tx_wait = NULL; 15927e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek spin_unlock_bh(&priv->tx_lock); 1593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15947e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek return rc; 1595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1597c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek#define MWL8K_TXD_SUCCESS(status) \ 1598c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek ((status) & (MWL8K_TXD_STATUS_OK | \ 1599c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek MWL8K_TXD_STATUS_OK_RETRY | \ 1600c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek MWL8K_TXD_STATUS_OK_MORE_RETRY)) 1601a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1602a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadamstatic int mwl8k_tid_queue_mapping(u8 tid) 1603a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam{ 1604a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam BUG_ON(tid > 7); 1605a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam 1606a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam switch (tid) { 1607a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 0: 1608a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 3: 1609a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return IEEE80211_AC_BE; 1610a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam break; 1611a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 1: 1612a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 2: 1613a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return IEEE80211_AC_BK; 1614a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam break; 1615a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 4: 1616a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 5: 1617a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return IEEE80211_AC_VI; 1618a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam break; 1619a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 6: 1620a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 7: 1621a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return IEEE80211_AC_VO; 1622a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam break; 1623a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam default: 1624a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return -1; 1625a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam break; 1626a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam } 1627a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam} 1628a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam 1629170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam/* The firmware will fill in the rate information 1630170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam * for each packet that gets queued in the hardware 163149adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville * and these macros will interpret that info. 1632170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam */ 1633170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam 163449adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville#define RI_FORMAT(a) (a & 0x0001) 163549adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville#define RI_RATE_ID_MCS(a) ((a & 0x01f8) >> 3) 1636170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam 1637efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhekstatic int 1638efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhekmwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int limit, int force) 1639a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1641a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1642efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek int processed; 1643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1644efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek processed = 0; 16458ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo while (txq->len > 0 && limit--) { 1646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int tx; 1647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long addr; 1649ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek int size; 1650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 1651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_info *info; 1652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 status; 1653170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam struct ieee80211_sta *sta; 1654170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam struct mwl8k_sta *sta_info = NULL; 1655170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam u16 rate_info; 1656170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam struct ieee80211_hdr *wh; 1657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 165845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx = txq->head; 165945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc = txq->txd + tx; 1660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = le32_to_cpu(tx_desc->status); 1662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_TXD_STATUS_FW_OWNED) { 1664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!force) 1665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 1666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->status &= 1667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ~cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED); 1668a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 167045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->head = (tx + 1) % MWL8K_TX_DESCS; 16718ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo BUG_ON(txq->len == 0); 16728ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo txq->len--; 1673a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts--; 1674a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1675a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek addr = le32_to_cpu(tx_desc->pkt_phys_addr); 1676ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek size = le16_to_cpu(tx_desc->pkt_len); 167745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek skb = txq->skb[tx]; 167845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb[tx] = NULL; 1679a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1680a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek BUG_ON(skb == NULL); 1681a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, addr, size, PCI_DMA_TODEVICE); 1682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 168320f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek mwl8k_remove_dma_header(skb, tx_desc->qos_control); 1684a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1685170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam wh = (struct ieee80211_hdr *) skb->data; 1686170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam 1687a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Mark descriptor as unused */ 1688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->pkt_phys_addr = 0; 1689a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->pkt_len = 0; 1690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1691a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek info = IEEE80211_SKB_CB(skb); 1692170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam if (ieee80211_is_data(wh->frame_control)) { 169389e1180121f281af16855d4954b9fe3d7354fe73Thomas Huehn rcu_read_lock(); 169489e1180121f281af16855d4954b9fe3d7354fe73Thomas Huehn sta = ieee80211_find_sta_by_ifaddr(hw, wh->addr1, 169589e1180121f281af16855d4954b9fe3d7354fe73Thomas Huehn wh->addr2); 1696170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam if (sta) { 1697170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam sta_info = MWL8K_STA(sta); 1698170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam BUG_ON(sta_info == NULL); 1699170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam rate_info = le16_to_cpu(tx_desc->rate_info); 1700170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam /* If rate is < 6.5 Mpbs for an ht station 1701170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam * do not form an ampdu. If the station is a 1702170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam * legacy station (format = 0), do not form an 1703170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam * ampdu 1704170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam */ 170549adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville if (RI_RATE_ID_MCS(rate_info) < 1 || 170649adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville RI_FORMAT(rate_info) == 0) { 1707170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam sta_info->is_ampdu_allowed = false; 1708170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } else { 1709170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam sta_info->is_ampdu_allowed = true; 1710170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } 1711170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } 171289e1180121f281af16855d4954b9fe3d7354fe73Thomas Huehn rcu_read_unlock(); 1713170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } 1714170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam 1715a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_tx_info_clear_status(info); 17160bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam 17170bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam /* Rate control is happening in the firmware. 17180bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam * Ensure no tx rate is being reported. 17190bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam */ 1720ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar info->status.rates[0].idx = -1; 1721ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar info->status.rates[0].count = 1; 17220bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam 1723ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek if (MWL8K_TXD_SUCCESS(status)) 1724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek info->flags |= IEEE80211_TX_STAT_ACK; 1725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1726a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_tx_status_irqsafe(hw, skb); 1727a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1728efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek processed++; 1729a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1731efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek return processed; 1732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1733a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* must be called only when the card's transmit is completely halted */ 1735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_txq_deinit(struct ieee80211_hw *hw, int index) 1736a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1737a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1738a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1739a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 174073b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (txq->txd == NULL) 174173b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo return; 174273b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo 1743efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek mwl8k_txq_reclaim(hw, index, INT_MAX, 1); 1744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 174545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek kfree(txq->skb); 174645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb = NULL; 1747a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1748a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 1749a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc), 175045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->txd, txq->txd_dma); 175145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->txd = NULL; 1752a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1754ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo/* caller must hold priv->stream_lock when calling the stream functions */ 1755ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powarstatic struct mwl8k_ampdu_stream * 1756ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolomwl8k_add_stream(struct ieee80211_hw *hw, struct ieee80211_sta *sta, u8 tid) 1757ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo{ 1758ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo struct mwl8k_ampdu_stream *stream; 1759ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo struct mwl8k_priv *priv = hw->priv; 1760ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo int i; 1761ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 17627fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar for (i = 0; i < MWL8K_NUM_AMPDU_STREAMS; i++) { 1763ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream = &priv->ampdu[i]; 1764ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (stream->state == AMPDU_NO_STREAM) { 1765ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->sta = sta; 1766ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->state = AMPDU_STREAM_NEW; 1767ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->tid = tid; 1768ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->idx = i; 1769ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo wiphy_debug(hw->wiphy, "Added a new stream for %pM %d", 1770ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo sta->addr, tid); 1771ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return stream; 1772ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo } 1773ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo } 1774ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return NULL; 1775ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo} 1776ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1777ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolostatic int 1778ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolomwl8k_start_stream(struct ieee80211_hw *hw, struct mwl8k_ampdu_stream *stream) 1779ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo{ 1780ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo int ret; 1781ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1782ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo /* if the stream has already been started, don't start it again */ 1783ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (stream->state != AMPDU_STREAM_NEW) 1784ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return 0; 1785ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo ret = ieee80211_start_tx_ba_session(stream->sta, stream->tid, 0); 1786ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (ret) 1787ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo wiphy_debug(hw->wiphy, "Failed to start stream for %pM %d: " 1788ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo "%d\n", stream->sta->addr, stream->tid, ret); 1789ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo else 1790ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo wiphy_debug(hw->wiphy, "Started stream for %pM %d\n", 1791ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->sta->addr, stream->tid); 1792ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return ret; 1793ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo} 1794ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1795ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolostatic void 1796ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolomwl8k_remove_stream(struct ieee80211_hw *hw, struct mwl8k_ampdu_stream *stream) 1797ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo{ 1798ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo wiphy_debug(hw->wiphy, "Remove stream for %pM %d\n", stream->sta->addr, 1799ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->tid); 1800ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo memset(stream, 0, sizeof(*stream)); 1801ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo} 1802ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1803ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolostatic struct mwl8k_ampdu_stream * 1804ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolomwl8k_lookup_stream(struct ieee80211_hw *hw, u8 *addr, u8 tid) 1805ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo{ 1806ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo struct mwl8k_priv *priv = hw->priv; 1807ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo int i; 1808ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 18097fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar for (i = 0; i < MWL8K_NUM_AMPDU_STREAMS; i++) { 1810ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo struct mwl8k_ampdu_stream *stream; 1811ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream = &priv->ampdu[i]; 1812ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (stream->state == AMPDU_NO_STREAM) 1813ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo continue; 1814ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (!memcmp(stream->sta->addr, addr, ETH_ALEN) && 1815ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->tid == tid) 1816ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return stream; 1817ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo } 1818ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return NULL; 1819ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo} 1820ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1821d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo#define MWL8K_AMPDU_PACKET_THRESHOLD 64 1822d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolostatic inline bool mwl8k_ampdu_allowed(struct ieee80211_sta *sta, u8 tid) 1823d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo{ 1824d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct mwl8k_sta *sta_info = MWL8K_STA(sta); 1825d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct tx_traffic_info *tx_stats; 1826d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1827d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo BUG_ON(tid >= MWL8K_MAX_TID); 1828d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats = &sta_info->tx_stats[tid]; 1829d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1830d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo return sta_info->is_ampdu_allowed && 1831d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->pkts > MWL8K_AMPDU_PACKET_THRESHOLD; 1832d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo} 1833d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1834d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolostatic inline void mwl8k_tx_count_packet(struct ieee80211_sta *sta, u8 tid) 1835d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo{ 1836d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct mwl8k_sta *sta_info = MWL8K_STA(sta); 1837d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct tx_traffic_info *tx_stats; 1838d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1839d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo BUG_ON(tid >= MWL8K_MAX_TID); 1840d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats = &sta_info->tx_stats[tid]; 1841d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1842d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo if (tx_stats->start_time == 0) 1843d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->start_time = jiffies; 1844d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1845d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo /* reset the packet count after each second elapses. If the number of 1846d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo * packets ever exceeds the ampdu_min_traffic threshold, we will allow 1847d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo * an ampdu stream to be started. 1848d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo */ 1849d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo if (jiffies - tx_stats->start_time > HZ) { 1850d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->pkts = 0; 1851d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->start_time = 0; 1852d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo } else 1853d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->pkts++; 1854d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo} 1855d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 18567fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar/* The hardware ampdu queues start from 5. 18577fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar * txpriorities for ampdu queues are 18587fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar * 5 6 7 0 1 2 3 4 ie., queue 5 is highest 18597fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar * and queue 3 is lowest (queue 4 is reserved) 18607fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar */ 18617fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar#define BA_QUEUE 5 18627fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar 18637bb4568372856688bc070917265bce0b88bb7d4dJohannes Bergstatic void 186436323f817af0376c78612cfdab714b0feb05fea5Thomas Huehnmwl8k_txq_xmit(struct ieee80211_hw *hw, 186536323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn int index, 186636323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn struct ieee80211_sta *sta, 186736323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn struct sk_buff *skb) 1868a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1869a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1870a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_info *tx_info; 187123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek struct mwl8k_vif *mwl8k_vif; 1872a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 1873a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq; 1874a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx; 1875a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma; 187623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u32 txstatus; 187723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u8 txdatarate; 187823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u16 qos; 187965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam int txpriority; 188065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam u8 tid = 0; 188165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam struct mwl8k_ampdu_stream *stream = NULL; 188265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam bool start_ba_session = false; 18833a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam bool mgmtframe = false; 1884a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data; 1885e1f4d69b631468d915a9ed4a0a64dba77705492dNishant Sarmukadam bool eapol_frame = false; 1886a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 188723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 188823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (ieee80211_is_data_qos(wh->frame_control)) 188923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = le16_to_cpu(*((__le16 *)ieee80211_get_qos_ctl(wh))); 189023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek else 189123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = 0; 1892a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1893e1f4d69b631468d915a9ed4a0a64dba77705492dNishant Sarmukadam if (skb->protocol == cpu_to_be16(ETH_P_PAE)) 1894e1f4d69b631468d915a9ed4a0a64dba77705492dNishant Sarmukadam eapol_frame = true; 1895e1f4d69b631468d915a9ed4a0a64dba77705492dNishant Sarmukadam 18963a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam if (ieee80211_is_mgmt(wh->frame_control)) 18973a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam mgmtframe = true; 18983a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam 1899d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (priv->ap_fw) 1900ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar mwl8k_encapsulate_tx_frame(priv, skb); 1901d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam else 1902e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar mwl8k_add_dma_header(priv, skb, 0, 0); 1903d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 190423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek wh = &((struct mwl8k_dma_data *)skb->data)->wh; 1905a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1906a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_info = IEEE80211_SKB_CB(skb); 1907a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif = MWL8K_VIF(tx_info->control.vif); 1908a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1909a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { 1910a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); 1911657232b625890f202867ede0ed67ecf15827ff80Lennert Buytenhek wh->seq_ctrl |= cpu_to_le16(mwl8k_vif->seqno); 1912657232b625890f202867ede0ed67ecf15827ff80Lennert Buytenhek mwl8k_vif->seqno += 0x10; 1913a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1914a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 191523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek /* Setup firmware control bit fields for each frame type. */ 191623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txstatus = 0; 191723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 0; 191823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (ieee80211_is_mgmt(wh->frame_control) || 191923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek ieee80211_is_ctl(wh->frame_control)) { 192023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 0; 1921e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos |= MWL8K_QOS_QLEN_UNSPEC | MWL8K_QOS_EOSP; 192223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek } else if (ieee80211_is_data(wh->frame_control)) { 192323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 1; 192423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (is_multicast_ether_addr(wh->addr1)) 192523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txstatus |= MWL8K_TXD_STATUS_MULTICAST_TX; 192623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 1927e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos &= ~MWL8K_QOS_ACK_POLICY_MASK; 192823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) 1929e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos |= MWL8K_QOS_ACK_POLICY_BLOCKACK; 193023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek else 1931e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos |= MWL8K_QOS_ACK_POLICY_NORMAL; 193223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek } 1933a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1934a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam /* Queue ADDBA request in the respective data queue. While setting up 1935a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * the ampdu stream, mac80211 queues further packets for that 1936a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * particular ra/tid pair. However, packets piled up in the hardware 1937a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * for that ra/tid pair will still go out. ADDBA request and the 1938a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * related data packets going out from different queues asynchronously 1939a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * will cause a shift in the receiver window which might result in 1940a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * ampdu packets getting dropped at the receiver after the stream has 1941a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * been setup. 1942a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam */ 1943a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam if (unlikely(ieee80211_is_action(wh->frame_control) && 1944a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam mgmt->u.action.category == WLAN_CATEGORY_BACK && 1945a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam mgmt->u.action.u.addba_req.action_code == WLAN_ACTION_ADDBA_REQ && 1946a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam priv->ap_fw)) { 1947a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam u16 capab = le16_to_cpu(mgmt->u.action.u.addba_req.capab); 1948a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; 1949a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam index = mwl8k_tid_queue_mapping(tid); 1950a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam } 1951a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam 195265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam txpriority = index; 195365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 1954e1f4d69b631468d915a9ed4a0a64dba77705492dNishant Sarmukadam if (priv->ap_fw && sta && sta->ht_cap.ht_supported && !eapol_frame && 1955e1f4d69b631468d915a9ed4a0a64dba77705492dNishant Sarmukadam ieee80211_is_data_qos(wh->frame_control)) { 195665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam tid = qos & 0xf; 1957d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo mwl8k_tx_count_packet(sta, tid); 195865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 195965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream = mwl8k_lookup_stream(hw, sta->addr, tid); 196065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (stream != NULL) { 196165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (stream->state == AMPDU_STREAM_ACTIVE) { 19625f2a14940db23350612071a3c906c8960e3ceb9aYogesh Ashok Powar WARN_ON(!(qos & MWL8K_QOS_ACK_POLICY_BLOCKACK)); 19637fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar txpriority = (BA_QUEUE + stream->idx) % 19647fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar TOTAL_HW_TX_QUEUES; 19657fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar if (stream->idx <= 1) 19667fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar index = stream->idx + 19677fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar MWL8K_TX_WMM_QUEUES; 19687fb978b7e93b5c4a378eba5767c7513540b56642Yogesh Ashok Powar 196965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } else if (stream->state == AMPDU_STREAM_NEW) { 197065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* We get here if the driver sends us packets 197165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * after we've initiated a stream, but before 197265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * our ampdu_action routine has been called 197365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * with IEEE80211_AMPDU_TX_START to get the SSN 197465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * for the ADDBA request. So this packet can 197565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * go out with no risk of sequence number 197665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * mismatch. No special handling is required. 197765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 197865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } else { 197965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* Drop packets that would go out after the 198065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * ADDBA request was sent but before the ADDBA 198165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * response is received. If we don't do this, 198265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * the recipient would probably receive it 198365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * after the ADDBA request with SSN 0. This 198465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * will cause the recipient's BA receive window 198565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * to shift, which would cause the subsequent 198665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * packets in the BA stream to be discarded. 198765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * mac80211 queues our packets for us in this 198865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * case, so this is really just a safety check. 198965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 199065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_warn(hw->wiphy, 199165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam "Cannot send packet while ADDBA " 199265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam "dialog is underway.\n"); 199365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 199465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam dev_kfree_skb(skb); 199565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam return; 199665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 199765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } else { 199865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* Defer calling mwl8k_start_stream so that the current 199965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * skb can go out before the ADDBA request. This 200065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * prevents sequence number mismatch at the recepient 200165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * as described above. 200265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 2003d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo if (mwl8k_ampdu_allowed(sta, tid)) { 2004170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam stream = mwl8k_add_stream(hw, sta, tid); 2005170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam if (stream != NULL) 2006170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam start_ba_session = true; 2007170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } 200865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 200965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 20105f2a14940db23350612071a3c906c8960e3ceb9aYogesh Ashok Powar } else { 20115f2a14940db23350612071a3c906c8960e3ceb9aYogesh Ashok Powar qos &= ~MWL8K_QOS_ACK_POLICY_MASK; 20125f2a14940db23350612071a3c906c8960e3ceb9aYogesh Ashok Powar qos |= MWL8K_QOS_ACK_POLICY_NORMAL; 201365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 201465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 2015a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma = pci_map_single(priv->pdev, skb->data, 2016a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb->len, PCI_DMA_TODEVICE); 2017a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2018a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma)) { 2019c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_debug(hw->wiphy, 2020c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "failed to dma map skb, dropping TX frame.\n"); 202165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (start_ba_session) { 202265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 202365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_remove_stream(hw, stream); 202465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 202565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 202623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek dev_kfree_skb(skb); 20277bb4568372856688bc070917265bce0b88bb7d4dJohannes Berg return; 2028a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2029a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 203023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek spin_lock_bh(&priv->tx_lock); 2031a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 203223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txq = priv->txq + index; 2033a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 20343a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam /* Mgmt frames that go out frequently are probe 20353a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * responses. Other mgmt frames got out relatively 20363a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * infrequently. Hence reserve 2 buffers so that 20373a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * other mgmt frames do not get dropped due to an 20383a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * already queued probe response in one of the 20393a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * reserved buffers. 20403a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam */ 20413a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam 20423a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam if (txq->len >= MWL8K_TX_DESCS - 2) { 204323677ce3172fcb93522a1df077d21019e73ee1e3Joe Perches if (!mgmtframe || txq->len == MWL8K_TX_DESCS) { 20443a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam if (start_ba_session) { 20453a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam spin_lock(&priv->stream_lock); 20463a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam mwl8k_remove_stream(hw, stream); 20473a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam spin_unlock(&priv->stream_lock); 20483a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam } 20493a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam spin_unlock_bh(&priv->tx_lock); 2050ff7aa96f669d81b51339f7a0faf7ca37ed841ef1Nishant Sarmukadam pci_unmap_single(priv->pdev, dma, skb->len, 2051ff7aa96f669d81b51339f7a0faf7ca37ed841ef1Nishant Sarmukadam PCI_DMA_TODEVICE); 20523a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam dev_kfree_skb(skb); 20533a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam return; 20543a7dbc3b2ac545efac75d4145839eaa7b59d9741Pradeep Nemavat } 205565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 205665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 205745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek BUG_ON(txq->skb[txq->tail] != NULL); 205845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb[txq->tail] = skb; 2059a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 206045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx = txq->txd + txq->tail; 206123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->data_rate = txdatarate; 206265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam tx->tx_priority = txpriority; 2063a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->qos_control = cpu_to_le16(qos); 2064a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->pkt_phys_addr = cpu_to_le32(dma); 2065a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->pkt_len = cpu_to_le16(skb->len); 206623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->rate_info = 0; 206736323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn if (!priv->ap_fw && sta != NULL) 206836323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn tx->peer_id = MWL8K_STA(sta)->peer_id; 2069a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek else 2070a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek tx->peer_id = 0; 2071566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat 2072e1f4d69b631468d915a9ed4a0a64dba77705492dNishant Sarmukadam if (priv->ap_fw && ieee80211_is_data(wh->frame_control) && !eapol_frame) 2073566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat tx->timestamp = cpu_to_le32(ioread32(priv->regs + 2074566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat MWL8K_HW_TIMER_REGISTER)); 2075b8d9e572cb8794335fb4ba63ff962acaa3c4473bNishant Sarmukadam else 2076b8d9e572cb8794335fb4ba63ff962acaa3c4473bNishant Sarmukadam tx->timestamp = 0; 2077566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat 2078a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wmb(); 207923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->status = cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED | txstatus); 208023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 20818ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo txq->len++; 2082a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts++; 2083a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 208445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail++; 208545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->tail == MWL8K_TX_DESCS) 208645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail = 0; 208723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 208823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek mwl8k_tx_start(priv); 2089a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2090a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 209165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 209265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* Initiate the ampdu session here */ 209365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (start_ba_session) { 209465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 209565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (mwl8k_start_stream(hw, stream)) 209665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_remove_stream(hw, stream); 209765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 209865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 2099a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2100a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2101a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2102a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2103618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * Firmware access. 2104618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * 2105618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * We have the following requirements for issuing firmware commands: 2106618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * - Some commands require that the packet transmit path is idle when 2107618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * the command is issued. (For simplicity, we'll just quiesce the 2108618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * transmit path for every command.) 2109618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * - There are certain sequences of commands that need to be issued to 2110618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * the hardware sequentially, with no other intervening commands. 2111618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * 2112618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * This leads to an implementation of a "firmware lock" as a mutex that 2113618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * can be taken recursively, and which is taken by both the low-level 2114618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * command submission function (mwl8k_post_cmd) as well as any users of 2115618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * that function that require issuing of an atomic sequence of commands, 2116618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * and quiesces the transmit path whenever it's taken. 2117618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek */ 2118618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhekstatic int mwl8k_fw_lock(struct ieee80211_hw *hw) 2119618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek{ 2120618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2121618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2122618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (priv->fw_mutex_owner != current) { 2123618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek int rc; 2124618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2125618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_lock(&priv->fw_mutex); 2126618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek ieee80211_stop_queues(hw); 2127618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2128618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek rc = mwl8k_tx_wait_empty(hw); 2129618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (rc) { 21306b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!priv->hw_restart_in_progress) 21316b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar ieee80211_wake_queues(hw); 21326b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 2133618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_unlock(&priv->fw_mutex); 2134618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2135618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return rc; 2136618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 2137618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2138618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_owner = current; 2139618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 2140618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2141618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_depth++; 2142618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2143618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return 0; 2144618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek} 2145618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2146618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhekstatic void mwl8k_fw_unlock(struct ieee80211_hw *hw) 2147618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek{ 2148618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2149618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2150618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (!--priv->fw_mutex_depth) { 21516b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!priv->hw_restart_in_progress) 21526b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar ieee80211_wake_queues(hw); 21536b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 2154618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_owner = NULL; 2155618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_unlock(&priv->fw_mutex); 2156618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 2157618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek} 2158618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2159618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2160618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek/* 2161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Command processing. 2162a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2163a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 21640c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek/* Timeout firmware commands after 10s */ 21650c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek#define MWL8K_CMD_TIMEOUT_MS 10000 2166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd) 2168a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2169a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek DECLARE_COMPLETION_ONSTACK(cmd_wait); 2170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs = priv->regs; 2172a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma_addr; 2173a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned int dma_size; 2174a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2175a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long timeout = 0; 2176a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 buf[32]; 2177a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2178b603742f49c3ec922522602e18ac22e8f6835132John W. Linville cmd->result = (__force __le16) 0xffff; 2179a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_size = le16_to_cpu(cmd->length); 2180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr = pci_map_single(priv->pdev, cmd, dma_size, 2181a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek PCI_DMA_BIDIRECTIONAL); 2182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma_addr)) 2183a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2184a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2185618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek rc = mwl8k_fw_lock(hw); 218639a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek if (rc) { 218739a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, dma_size, 218839a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek PCI_DMA_BIDIRECTIONAL); 2189618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return rc; 219039a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek } 2191a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2192a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hostcmd_wait = &cmd_wait; 2193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR); 2194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DOORBELL, 2195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 2196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 2197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 2198a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek timeout = wait_for_completion_timeout(&cmd_wait, 2200a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msecs_to_jiffies(MWL8K_CMD_TIMEOUT_MS)); 2201a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2202618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->hostcmd_wait = NULL; 2203618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2204618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mwl8k_fw_unlock(hw); 2205618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 220637055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, dma_size, 220737055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek PCI_DMA_BIDIRECTIONAL); 220837055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek 2209a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!timeout) { 22105db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Command %s timeout after %u ms\n", 2211c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 2212c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches MWL8K_CMD_TIMEOUT_MS); 2213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -ETIMEDOUT; 2214a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 22150c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek int ms; 22160c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek 22170c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek ms = MWL8K_CMD_TIMEOUT_MS - jiffies_to_msecs(timeout); 22180c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek 2219ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek rc = cmd->result ? -EINVAL : 0; 2220a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 22215db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Command %s error 0x%x\n", 2222c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 2223c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches le16_to_cpu(cmd->result)); 22240c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek else if (ms > 2000) 22255db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_notice(hw->wiphy, "Command %s took %d ms\n", 2226c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches mwl8k_cmd_name(cmd->code, 2227c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches buf, sizeof(buf)), 2228c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches ms); 2229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2234f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhekstatic int mwl8k_post_pervif_cmd(struct ieee80211_hw *hw, 2235f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek struct ieee80211_vif *vif, 2236f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek struct mwl8k_cmd_pkt *cmd) 2237f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek{ 2238f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek if (vif != NULL) 2239f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek cmd->macid = MWL8K_VIF(vif)->macid; 2240f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek return mwl8k_post_cmd(hw, cmd); 2241f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek} 2242f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek 2243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 22441349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek * Setup code shared between STA and AP firmware images. 22451349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek */ 22461349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhekstatic void mwl8k_setup_2ghz_band(struct ieee80211_hw *hw) 22471349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek{ 22481349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 22491349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 22501349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek BUILD_BUG_ON(sizeof(priv->channels_24) != sizeof(mwl8k_channels_24)); 22511349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek memcpy(priv->channels_24, mwl8k_channels_24, sizeof(mwl8k_channels_24)); 22521349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 22531349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek BUILD_BUG_ON(sizeof(priv->rates_24) != sizeof(mwl8k_rates_24)); 22541349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek memcpy(priv->rates_24, mwl8k_rates_24, sizeof(mwl8k_rates_24)); 22551349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 22561349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.band = IEEE80211_BAND_2GHZ; 22571349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.channels = priv->channels_24; 22581349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.n_channels = ARRAY_SIZE(mwl8k_channels_24); 22591349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.bitrates = priv->rates_24; 22601349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.n_bitrates = ARRAY_SIZE(mwl8k_rates_24); 22611349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 22621349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band_24; 22631349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek} 22641349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 22654eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhekstatic void mwl8k_setup_5ghz_band(struct ieee80211_hw *hw) 22664eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek{ 22674eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 22684eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 22694eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek BUILD_BUG_ON(sizeof(priv->channels_50) != sizeof(mwl8k_channels_50)); 22704eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek memcpy(priv->channels_50, mwl8k_channels_50, sizeof(mwl8k_channels_50)); 22714eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 22724eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek BUILD_BUG_ON(sizeof(priv->rates_50) != sizeof(mwl8k_rates_50)); 22734eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek memcpy(priv->rates_50, mwl8k_rates_50, sizeof(mwl8k_rates_50)); 22744eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 22754eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.band = IEEE80211_BAND_5GHZ; 22764eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.channels = priv->channels_50; 22774eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.n_channels = ARRAY_SIZE(mwl8k_channels_50); 22784eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.bitrates = priv->rates_50; 22794eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.n_bitrates = ARRAY_SIZE(mwl8k_rates_50); 22804eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 22814eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &priv->band_50; 22824eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek} 22834eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 22841349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek/* 228504b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhek * CMD_GET_HW_SPEC (STA version). 2286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 228704b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhekstruct mwl8k_cmd_get_hw_spec_sta { 2288a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 hw_rev; 2290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 host_interface; 2291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 num_mcaddrs; 2292d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 2293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 region_code; 2294a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 fw_rev; 2295a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 ps_cookie; 2296a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 caps; 2297a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 mcs_bitmap[16]; 2298a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 rx_queue_ptr; 2299a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_tx_queues; 2300e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo __le32 tx_queue_ptrs[MWL8K_TX_WMM_QUEUES]; 2301a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 caps2; 2302a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_tx_desc_per_queue; 230345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 total_rxd; 2304ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2305a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2306341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_MAX_AMSDU 0x20000000 2307341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_GREENFIELD 0x08000000 2308341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_AMPDU 0x04000000 2309341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_RX_STBC 0x01000000 2310341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_TX_STBC 0x00800000 2311341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_SHORTGI_40MHZ 0x00400000 2312341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_SHORTGI_20MHZ 0x00200000 2313341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_RX_ANTENNA_MASK 0x000e0000 2314341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_TX_ANTENNA_MASK 0x0001c000 2315341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_DELAY_BA 0x00003000 2316341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_MIMO 0x00000200 2317341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_40MHZ 0x00000100 231806953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek#define MWL8K_CAP_BAND_MASK 0x00000007 231906953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek#define MWL8K_CAP_5GHZ 0x00000004 232006953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek#define MWL8K_CAP_2GHZ4 0x00000001 2321341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 232206953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhekstatic void 232306953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhekmwl8k_set_ht_caps(struct ieee80211_hw *hw, 232406953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek struct ieee80211_supported_band *band, u32 cap) 2325341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek{ 2326341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek int rx_streams; 2327341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek int tx_streams; 2328341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2329777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.ht_supported = 1; 2330341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2331341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_MAX_AMSDU) 2332777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU; 2333341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_GREENFIELD) 2334777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_GRN_FLD; 2335341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_AMPDU) { 2336341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION; 2337777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 2338777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; 2339341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek } 2340341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_RX_STBC) 2341777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_RX_STBC; 2342341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_TX_STBC) 2343777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC; 2344341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_SHORTGI_40MHZ) 2345777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; 2346341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_SHORTGI_20MHZ) 2347777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20; 2348341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_DELAY_BA) 2349777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_DELAY_BA; 2350341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_40MHZ) 2351777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2352341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2353341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek rx_streams = hweight32(cap & MWL8K_CAP_RX_ANTENNA_MASK); 2354341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek tx_streams = hweight32(cap & MWL8K_CAP_TX_ANTENNA_MASK); 2355341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2356777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.rx_mask[0] = 0xff; 2357341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (rx_streams >= 2) 2358777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.rx_mask[1] = 0xff; 2359341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (rx_streams >= 3) 2360777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.rx_mask[2] = 0xff; 2361777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.rx_mask[4] = 0x01; 2362777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 2363341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2364341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (rx_streams != tx_streams) { 2365777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF; 2366777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.tx_params |= (tx_streams - 1) << 2367341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT; 2368341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek } 2369341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek} 2370341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 237106953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhekstatic void 237206953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhekmwl8k_set_caps(struct ieee80211_hw *hw, u32 caps) 237306953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek{ 237406953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 237506953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek 237606953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek if ((caps & MWL8K_CAP_2GHZ4) || !(caps & MWL8K_CAP_BAND_MASK)) { 237706953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_setup_2ghz_band(hw); 237806953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek if (caps & MWL8K_CAP_MIMO) 237906953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_set_ht_caps(hw, &priv->band_24, caps); 238006953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek } 238106953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek 238206953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek if (caps & MWL8K_CAP_5GHZ) { 238306953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_setup_5ghz_band(hw); 238406953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek if (caps & MWL8K_CAP_MIMO) 238506953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_set_ht_caps(hw, &priv->band_50, caps); 238606953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek } 238706953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek} 238806953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek 238904b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhekstatic int mwl8k_cmd_get_hw_spec_sta(struct ieee80211_hw *hw) 2390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 239204b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhek struct mwl8k_cmd_get_hw_spec_sta *cmd; 2393a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 2395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2397a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC); 2401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr)); 2404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 240545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rxd_dma); 2406e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo cmd->num_tx_queues = cpu_to_le32(mwl8k_tx_queues(priv)); 2407e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 240845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].txd_dma); 24094ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS); 241045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS); 2411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2414a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 2415a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr); 2416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs); 24174ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek priv->fw_rev = le32_to_cpu(cmd->fw_rev); 2418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hw_rev = cmd->hw_rev; 241906953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_set_caps(hw, le32_to_cpu(cmd->caps)); 2420ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->ap_macids_supported = 0x00000000; 2421ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->sta_macids_supported = 0x00000001; 2422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2428a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 242942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek * CMD_GET_HW_SPEC (AP version). 243042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek */ 243142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstruct mwl8k_cmd_get_hw_spec_ap { 243242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_pkt header; 243342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 hw_rev; 243442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 host_interface; 243542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_wcb; 243642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_mcaddrs; 243742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 243842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 region_code; 243942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_antenna; 244042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 fw_rev; 244142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase0; 244242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 rxwrptr; 244342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 rxrdptr; 244442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 ps_cookie; 244542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase1; 244642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase2; 244742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase3; 2448952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo __le32 fw_api_version; 24498a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo __le32 caps; 24508a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo __le32 num_of_ampdu_queues; 24518a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo __le32 wcbbase_ampdu[MWL8K_MAX_AMPDU_QUEUES]; 2452ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 245342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 245442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstatic int mwl8k_cmd_get_hw_spec_ap(struct ieee80211_hw *hw) 245542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek{ 245642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 245742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_get_hw_spec_ap *cmd; 24588a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo int rc, i; 2459952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo u32 api_version; 246042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 246142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 246242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (cmd == NULL) 246342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return -ENOMEM; 246442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 246542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC); 246642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 246742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 246842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr)); 246942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 247042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 247142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 247242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 247342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (!rc) { 247442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek int off; 247542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 2476952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo api_version = le32_to_cpu(cmd->fw_api_version); 2477952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo if (priv->device_info->fw_api_ap != api_version) { 2478952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo printk(KERN_ERR "%s: Unsupported fw API version for %s." 2479952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo " Expected %d got %d.\n", MWL8K_NAME, 2480952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo priv->device_info->part_name, 2481952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo priv->device_info->fw_api_ap, 2482952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo api_version); 2483952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo rc = -EINVAL; 2484952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo goto done; 2485952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo } 248642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr); 248742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs); 248842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek priv->fw_rev = le32_to_cpu(cmd->fw_rev); 248942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek priv->hw_rev = cmd->hw_rev; 24908a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo mwl8k_set_caps(hw, le32_to_cpu(cmd->caps)); 2491ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->ap_macids_supported = 0x000000ff; 2492ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->sta_macids_supported = 0x00000000; 24938a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo priv->num_ampdu_queues = le32_to_cpu(cmd->num_of_ampdu_queues); 24948a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo if (priv->num_ampdu_queues > MWL8K_MAX_AMPDU_QUEUES) { 24958a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo wiphy_warn(hw->wiphy, "fw reported %d ampdu queues" 24968a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo " but we only support %d.\n", 24978a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo priv->num_ampdu_queues, 24988a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo MWL8K_MAX_AMPDU_QUEUES); 24998a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo priv->num_ampdu_queues = MWL8K_MAX_AMPDU_QUEUES; 25008a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo } 250142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek off = le32_to_cpu(cmd->rxwrptr) & 0xffff; 2502b603742f49c3ec922522602e18ac22e8f6835132John W. Linville iowrite32(priv->rxq[0].rxd_dma, priv->sram + off); 250342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 250442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek off = le32_to_cpu(cmd->rxrdptr) & 0xffff; 2505b603742f49c3ec922522602e18ac22e8f6835132John W. Linville iowrite32(priv->rxq[0].rxd_dma, priv->sram + off); 250642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 250773b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->txq_offset[0] = le32_to_cpu(cmd->wcbbase0) & 0xffff; 250873b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->txq_offset[1] = le32_to_cpu(cmd->wcbbase1) & 0xffff; 250973b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->txq_offset[2] = le32_to_cpu(cmd->wcbbase2) & 0xffff; 251073b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->txq_offset[3] = le32_to_cpu(cmd->wcbbase3) & 0xffff; 25118a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo 25128a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo for (i = 0; i < priv->num_ampdu_queues; i++) 2513e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo priv->txq_offset[i + MWL8K_TX_WMM_QUEUES] = 25148a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo le32_to_cpu(cmd->wcbbase_ampdu[i]) & 0xffff; 251542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek } 251642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 2517952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolodone: 251842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek kfree(cmd); 251942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return rc; 252042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek} 252142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 252242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek/* 252342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek * CMD_SET_HW_SPEC. 252442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek */ 252542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstruct mwl8k_cmd_set_hw_spec { 252642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_pkt header; 252742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 hw_rev; 252842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 host_interface; 252942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_mcaddrs; 253042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 253142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 region_code; 253242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 fw_rev; 253342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 ps_cookie; 253442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 caps; 253542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 rx_queue_ptr; 253642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 num_tx_queues; 2537e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo __le32 tx_queue_ptrs[MWL8K_MAX_TX_QUEUES]; 253842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 flags; 253942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 num_tx_desc_per_queue; 254042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 total_rxd; 2541ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 254242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 25438a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo/* If enabled, MWL8K_SET_HW_SPEC_FLAG_ENABLE_LIFE_TIME_EXPIRY will cause 25448a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * packets to expire 500 ms after the timestamp in the tx descriptor. That is, 25458a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * the packets that are queued for more than 500ms, will be dropped in the 25468a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * hardware. This helps minimizing the issues caused due to head-of-line 25478a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * blocking where a slow client can hog the bandwidth and affect traffic to a 25488a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * faster client. 25498a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo */ 25508a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo#define MWL8K_SET_HW_SPEC_FLAG_ENABLE_LIFE_TIME_EXPIRY 0x00000400 25513373b28e5af4a0b3c6cb39372581dcc1e41322ffNishant Sarmukadam#define MWL8K_SET_HW_SPEC_FLAG_GENERATE_CCMP_HDR 0x00000200 2552b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek#define MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT 0x00000080 2553b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek#define MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_PROBERESP 0x00000020 2554b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek#define MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_BEACON 0x00000010 255542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 255642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstatic int mwl8k_cmd_set_hw_spec(struct ieee80211_hw *hw) 255742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek{ 255842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 255942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_set_hw_spec *cmd; 256042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek int rc; 256142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek int i; 256242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 256342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 256442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (cmd == NULL) 256542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return -ENOMEM; 256642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 256742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_HW_SPEC); 256842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 256942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 257042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 257142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rxd_dma); 2572e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo cmd->num_tx_queues = cpu_to_le32(mwl8k_tx_queues(priv)); 257385c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam 257485c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam /* 257585c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam * Mac80211 stack has Q0 as highest priority and Q3 as lowest in 257685c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam * that order. Firmware has Q3 as highest priority and Q0 as lowest 257785c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam * in that order. Map Q3 of mac80211 to Q0 of firmware so that the 257885c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam * priority is interpreted the right way in firmware. 257985c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam */ 2580e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) { 2581e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo int j = mwl8k_tx_queues(priv) - 1 - i; 258285c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[j].txd_dma); 258385c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam } 258485c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam 2585b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->flags = cpu_to_le32(MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT | 2586b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_PROBERESP | 258731d291a769b4318cbf7943ca149e04d201e2c931Nishant Sarmukadam MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_BEACON | 25883373b28e5af4a0b3c6cb39372581dcc1e41322ffNishant Sarmukadam MWL8K_SET_HW_SPEC_FLAG_ENABLE_LIFE_TIME_EXPIRY | 25893373b28e5af4a0b3c6cb39372581dcc1e41322ffNishant Sarmukadam MWL8K_SET_HW_SPEC_FLAG_GENERATE_CCMP_HDR); 259042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS); 259142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS); 259242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 259342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 259442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek kfree(cmd); 259542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 259642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return rc; 259742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek} 259842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 259942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek/* 2600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_MAC_MULTICAST_ADR. 2601a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_mac_multicast_adr { 2603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 numaddr; 2606ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek __u8 addr[0][ETH_ALEN]; 2607a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 2608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2609d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_DIRECTED 0x0001 2610d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_MULTICAST 0x0002 2611d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_ALL_MULTICAST 0x0004 2612d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_BROADCAST 0x0008 2613ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek 2614e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhekstatic struct mwl8k_cmd_pkt * 2615447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek__mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw, int allmulti, 261622bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko struct netdev_hw_addr_list *mc_list) 2617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2618e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_mac_multicast_adr *cmd; 2620e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek int size; 262122bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko int mc_count = 0; 262222bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko 262322bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko if (mc_list) 262422bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko mc_count = netdev_hw_addr_list_count(mc_list); 2625e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 2626447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (allmulti || mc_count > priv->num_mcaddrs) { 2627d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek allmulti = 1; 2628d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek mc_count = 0; 2629d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek } 2630e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 2631e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek size = sizeof(*cmd) + mc_count * ETH_ALEN; 2632ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek 2633e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek cmd = kzalloc(size, GFP_ATOMIC); 2634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2635e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return NULL; 2636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2637a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_MAC_MULTICAST_ADR); 2638a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(size); 2639d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_ENABLE_RX_DIRECTED | 2640d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek MWL8K_ENABLE_RX_BROADCAST); 2641d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek 2642d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek if (allmulti) { 2643d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_ALL_MULTICAST); 2644d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek } else if (mc_count) { 264522bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko struct netdev_hw_addr *ha; 264622bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko int i = 0; 2647d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek 2648d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_MULTICAST); 2649d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->numaddr = cpu_to_le16(mc_count); 265022bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko netdev_hw_addr_list_for_each(ha, mc_list) { 265122bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko memcpy(cmd->addr[i], ha->addr, ETH_ALEN); 2652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2655e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return &cmd->header; 2656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 265955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_GET_STAT. 2660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 266155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_get_stat { 2662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 stats[64]; 2664ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_ACK_FAILURE 9 2667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_RTS_FAILURE 12 2668a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_FCS_ERROR 24 2669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_RTS_SUCCESS 11 2670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 267155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_get_stat(struct ieee80211_hw *hw, 267255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct ieee80211_low_level_stats *stats) 2673a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 267455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_get_stat *cmd; 2675a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2678a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2679a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2680a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2681a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_STAT); 2682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2683a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2684a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2685a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 2686a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11ACKFailureCount = 2687a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_ACK_FAILURE]); 2688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11RTSFailureCount = 2689a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_FAILURE]); 2690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11FCSErrorCount = 2691a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_FCS_ERROR]); 2692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11RTSSuccessCount = 2693a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_SUCCESS]); 2694a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2695a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2696a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2697a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2698a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2699a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2700a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 270155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_RADIO_CONTROL. 2702a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 270355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_radio_control { 2704a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2705a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 control; 2707a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 radio_on; 2708ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2709a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2710c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhekstatic int 271155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekmwl8k_cmd_radio_control(struct ieee80211_hw *hw, bool enable, bool force) 2712a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2713a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 271455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_radio_control *cmd; 2715a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2716a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2717c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek if (enable == priv->radio_on && !force) 2718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 2719a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2720a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2721a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2722a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2723a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RADIO_CONTROL); 2725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2726a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 272768ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek cmd->control = cpu_to_le16(priv->radio_short_preamble ? 3 : 1); 2728a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->radio_on = cpu_to_le16(enable ? 0x0001 : 0x0000); 2729a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2731a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2733a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) 2734c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek priv->radio_on = enable; 2735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2736a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2737a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2738a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 273955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_radio_disable(struct ieee80211_hw *hw) 2740c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek{ 274155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_radio_control(hw, 0, 0); 2742c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek} 2743c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek 274455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_radio_enable(struct ieee80211_hw *hw) 2745c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek{ 274655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_radio_control(hw, 1, 0); 2747c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek} 2748c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek 2749a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 2750a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_set_radio_preamble(struct ieee80211_hw *hw, bool short_preamble) 2751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 275299200a992e365a73dc67a6570524e5f3af4386ddLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 275468ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek priv->radio_short_preamble = short_preamble; 2755a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 275655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_radio_control(hw, 1, 1); 2757a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2759a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 276055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_RF_TX_POWER. 2761a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 276241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_RF_TX_POWER_LEVEL_TOTAL 8 2763a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 276455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_rf_tx_power { 2765a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2766a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2767a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 support_level; 2768a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 current_level; 2769a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 reserved; 277041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 power_level_list[MWL8K_RF_TX_POWER_LEVEL_TOTAL]; 2771ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2772a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 277355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_rf_tx_power(struct ieee80211_hw *hw, int dBm) 2774a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 277555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_rf_tx_power *cmd; 2776a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2777a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2778a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2779a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2780a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2781a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2782a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RF_TX_POWER); 2783a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2784a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 2785a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->support_level = cpu_to_le16(dBm); 2786a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2787a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2788a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2789a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2790a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2791a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2792a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2793a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 279441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam * CMD_TX_POWER. 279541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam */ 279641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_TX_POWER_LEVEL_TOTAL 12 279741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 279841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadamstruct mwl8k_cmd_tx_power { 279941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam struct mwl8k_cmd_pkt header; 280041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 action; 280141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 band; 280241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 channel; 280341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 bw; 280441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 sub_ch; 280541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 power_level_list[MWL8K_TX_POWER_LEVEL_TOTAL]; 2806ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar} __packed; 280741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 280841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadamstatic int mwl8k_cmd_tx_power(struct ieee80211_hw *hw, 280941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam struct ieee80211_conf *conf, 281041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam unsigned short pwr) 281141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam{ 281241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam struct ieee80211_channel *channel = conf->channel; 281341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam struct mwl8k_cmd_tx_power *cmd; 281441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam int rc; 281541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam int i; 281641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 281741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 281841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam if (cmd == NULL) 281941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam return -ENOMEM; 282041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 282141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_TX_POWER); 282241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 282341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->action = cpu_to_le16(MWL8K_CMD_SET_LIST); 282441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 282541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam if (channel->band == IEEE80211_BAND_2GHZ) 282641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->band = cpu_to_le16(0x1); 282741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam else if (channel->band == IEEE80211_BAND_5GHZ) 282841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->band = cpu_to_le16(0x4); 282941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 2830604c4ef1c453a1b2ea2cdf04d2b49afec421ebfaYogesh Ashok Powar cmd->channel = cpu_to_le16(channel->hw_value); 283141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 283241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam if (conf->channel_type == NL80211_CHAN_NO_HT || 283341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam conf->channel_type == NL80211_CHAN_HT20) { 283441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->bw = cpu_to_le16(0x2); 283541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam } else { 283641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->bw = cpu_to_le16(0x4); 283741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam if (conf->channel_type == NL80211_CHAN_HT40MINUS) 283841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->sub_ch = cpu_to_le16(0x3); 283941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam else if (conf->channel_type == NL80211_CHAN_HT40PLUS) 284041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->sub_ch = cpu_to_le16(0x1); 284141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam } 284241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 284341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam for (i = 0; i < MWL8K_TX_POWER_LEVEL_TOTAL; i++) 284441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->power_level_list[i] = cpu_to_le16(pwr); 284541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 284641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam rc = mwl8k_post_cmd(hw, &cmd->header); 284741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam kfree(cmd); 284841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 284941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam return rc; 285041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam} 285141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 285241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam/* 285308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek * CMD_RF_ANTENNA. 285408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek */ 285508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhekstruct mwl8k_cmd_rf_antenna { 285608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek struct mwl8k_cmd_pkt header; 285708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek __le16 antenna; 285808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek __le16 mode; 2859ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 286008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 286108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek#define MWL8K_RF_ANTENNA_RX 1 286208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek#define MWL8K_RF_ANTENNA_TX 2 286308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 286408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhekstatic int 286508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhekmwl8k_cmd_rf_antenna(struct ieee80211_hw *hw, int antenna, int mask) 286608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek{ 286708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek struct mwl8k_cmd_rf_antenna *cmd; 286808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek int rc; 286908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 287008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 287108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek if (cmd == NULL) 287208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek return -ENOMEM; 287308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 287408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RF_ANTENNA); 287508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 287608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->antenna = cpu_to_le16(antenna); 287708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->mode = cpu_to_le16(mask); 287808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 287908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 288008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek kfree(cmd); 288108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 288208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek return rc; 288308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek} 288408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 288508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek/* 2886b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * CMD_SET_BEACON. 2887b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek */ 2888b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstruct mwl8k_cmd_set_beacon { 2889b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_pkt header; 2890b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek __le16 beacon_len; 2891b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek __u8 beacon[0]; 2892b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek}; 2893b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2894aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhekstatic int mwl8k_cmd_set_beacon(struct ieee80211_hw *hw, 2895aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek struct ieee80211_vif *vif, u8 *beacon, int len) 2896b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 2897b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_set_beacon *cmd; 2898b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rc; 2899b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2900b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd = kzalloc(sizeof(*cmd) + len, GFP_KERNEL); 2901b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (cmd == NULL) 2902b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return -ENOMEM; 2903b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2904b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_BEACON); 2905b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd) + len); 2906b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->beacon_len = cpu_to_le16(len); 2907b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek memcpy(cmd->beacon, beacon, len); 2908b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2909aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 2910b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek kfree(cmd); 2911b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2912b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return rc; 2913b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 2914b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2915b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek/* 2916a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_PRE_SCAN. 2917a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2918a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_pre_scan { 2919a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2920ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2921a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2922a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_pre_scan(struct ieee80211_hw *hw) 2923a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2924a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_pre_scan *cmd; 2925a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2926a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2927a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2928a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2929a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2930a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2931a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_PRE_SCAN); 2932a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2933a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2934a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2935a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2936a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2937a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2938a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2939a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2940a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2941a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_POST_SCAN. 2942a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2943a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_post_scan { 2944a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2945a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 isibss; 2946d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 bssid[ETH_ALEN]; 2947ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2948a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2949a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 29500a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhekmwl8k_cmd_set_post_scan(struct ieee80211_hw *hw, const __u8 *mac) 2951a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2952a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_post_scan *cmd; 2953a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2954a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2955a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2956a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2957a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2958a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2959a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_POST_SCAN); 2960a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2961a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->isibss = 0; 2962d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memcpy(cmd->bssid, mac, ETH_ALEN); 2963a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2964a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2965a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2966a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2967a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2968a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2969a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2970a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2971a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_RF_CHANNEL. 2972a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2973a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_rf_channel { 2974a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2975a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2976a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 current_channel; 2977a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 channel_flags; 2978ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2979a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2980a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_rf_channel(struct ieee80211_hw *hw, 2981610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek struct ieee80211_conf *conf) 2982a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2983610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek struct ieee80211_channel *channel = conf->channel; 2984a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_rf_channel *cmd; 2985a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2986a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2987a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2988a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2989a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2990a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2991a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RF_CHANNEL); 2992a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2993a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 2994a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->current_channel = channel->hw_value; 2995610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek 2996a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (channel->band == IEEE80211_BAND_2GHZ) 2997610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x00000001); 299842574ea2274ec0a2a9c58ab01be91b65e60a2291Lennert Buytenhek else if (channel->band == IEEE80211_BAND_5GHZ) 299942574ea2274ec0a2a9c58ab01be91b65e60a2291Lennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x00000004); 3000610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek 3001610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek if (conf->channel_type == NL80211_CHAN_NO_HT || 3002610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek conf->channel_type == NL80211_CHAN_HT20) 3003610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x00000080); 3004610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek else if (conf->channel_type == NL80211_CHAN_HT40MINUS) 3005610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x000001900); 3006610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek else if (conf->channel_type == NL80211_CHAN_HT40PLUS) 3007610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x000000900); 3008a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3009a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3010a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3011a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3012a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3013a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3014a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3015a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 301655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_AID. 3017a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 301855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_DISABLED 0x00 301955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_11G 0x07 302055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY 0x02 302155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_11N_HT_ALL 0x06 3022a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 302355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_update_set_aid { 302455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 302555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 aid; 3026a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 302755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* AP's MAC address (BSSID) */ 302855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 bssid[ETH_ALEN]; 302955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 protection_mode; 303055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 supp_rates[14]; 3031ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3032a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3033c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhekstatic void legacy_rate_mask_to_array(u8 *rates, u32 mask) 3034c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek{ 3035c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek int i; 3036c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek int j; 3037c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 3038c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek /* 3039c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek * Clear nonstandard rates 4 and 13. 3040c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek */ 3041c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek mask &= 0x1fef; 3042c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 3043c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek for (i = 0, j = 0; i < 14; i++) { 3044c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek if (mask & (1 << i)) 3045777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek rates[j++] = mwl8k_rates_24[i].hw_value; 3046c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek } 3047c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek} 3048c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 304955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int 3050c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhekmwl8k_cmd_set_aid(struct ieee80211_hw *hw, 3051c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek struct ieee80211_vif *vif, u32 legacy_rate_mask) 3052a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 305355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_update_set_aid *cmd; 305455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek u16 prot_mode; 3055a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3056a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3057a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3058a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3059a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3060a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 306155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_AID); 3062a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 30637dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek cmd->aid = cpu_to_le16(vif->bss_conf.aid); 30640a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhek memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 3065a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 30667dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek if (vif->bss_conf.use_cts_prot) { 306755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11G; 306855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } else { 30697dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek switch (vif->bss_conf.ht_operation_mode & 307055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek IEEE80211_HT_OP_MODE_PROTECTION) { 307155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: 307255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY; 307355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek break; 307455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: 307555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11N_HT_ALL; 307655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek break; 307755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek default: 307855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_DISABLED; 307955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek break; 308055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } 308155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } 308255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->protection_mode = cpu_to_le16(prot_mode); 3083a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3084c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek legacy_rate_mask_to_array(cmd->supp_rates, legacy_rate_mask); 3085a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3086a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3087a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3088a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3089a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3090a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3091a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3092a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 309355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_RATE. 309432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek */ 309555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_rate { 309655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 309755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 legacy_rates[14]; 309855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 309955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* Bitmap for supported MCS codes. */ 310055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 mcs_set[16]; 310155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 reserved[16]; 3102ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 310332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 310455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int 3105c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhekmwl8k_cmd_set_rate(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 310613935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek u32 legacy_rate_mask, u8 *mcs_rates) 310732060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek{ 310855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_rate *cmd; 310932060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek int rc; 311032060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 311132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 311232060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek if (cmd == NULL) 311332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek return -ENOMEM; 311432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 311555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATE); 311632060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3117c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek legacy_rate_mask_to_array(cmd->legacy_rates, legacy_rate_mask); 311813935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(cmd->mcs_set, mcs_rates, 16); 311932060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 312032060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 312132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek kfree(cmd); 312232060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 312332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek return rc; 312432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek} 312532060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 312632060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek/* 312755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_FINALIZE_JOIN. 3128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 312955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FJ_BEACON_MAXLEN 128 313055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 313155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_finalize_join { 3132a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 313355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 sleep_interval; /* Number of beacon periods to sleep */ 313455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 beacon_data[MWL8K_FJ_BEACON_MAXLEN]; 3135ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3136a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 313755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_finalize_join(struct ieee80211_hw *hw, void *frame, 313855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int framelen, int dtim) 3139a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 314055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_finalize_join *cmd; 314155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct ieee80211_mgmt *payload = frame; 314255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int payload_len; 3143a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3144a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3145a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3146a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3147a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 314955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_FINALIZE_JOIN); 3150a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 315155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->sleep_interval = cpu_to_le32(dtim ? dtim : 1); 315255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 315355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek payload_len = framelen - ieee80211_hdrlen(payload->frame_control); 315455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (payload_len < 0) 315555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek payload_len = 0; 315655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek else if (payload_len > MWL8K_FJ_BEACON_MAXLEN) 315755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek payload_len = MWL8K_FJ_BEACON_MAXLEN; 315855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 315955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek memcpy(cmd->beacon_data, &payload->u.beacon, payload_len); 3160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3162a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3163a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3164a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 316855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_RTS_THRESHOLD. 3169a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 317055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_rts_threshold { 3171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 3172a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 317355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 threshold; 3174ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3175a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3176c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhekstatic int 3177c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhekmwl8k_cmd_set_rts_threshold(struct ieee80211_hw *hw, int rts_thresh) 3178a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 317955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_rts_threshold *cmd; 3180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3181a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3183a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3184a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 318655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RTS_THRESHOLD); 3187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3188c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 3189c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek cmd->threshold = cpu_to_le16(rts_thresh); 3190a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3191a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3192a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 319855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_SLOT. 3199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 320055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_slot { 3201a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 3202a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 320355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 short_slot; 3204ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3205a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 320655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_slot(struct ieee80211_hw *hw, bool short_slot_time) 3207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 320855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_slot *cmd; 3209a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3210a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3211a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3212a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3214a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 321555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_SLOT); 3216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 321755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 321855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->short_slot = short_slot_time; 3219a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3220a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3221a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3222a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3223a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 3227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_EDCA_PARAMS. 3228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 3229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_edca_params { 3230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 3231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* See MWL8K_SET_EDCA_XXX below */ 3233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 3234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* TX opportunity in units of 32 us */ 3236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 txop; 3237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 32382e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek union { 32392e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek struct { 32402e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of max contention period: 0...15 */ 32412e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __le32 log_cw_max; 32422e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek 32432e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of min contention period: 0...15 */ 32442e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __le32 log_cw_min; 32452e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek 32462e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Adaptive interframe spacing in units of 32us */ 32472e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 aifs; 32482e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek 32492e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* TX queue to configure */ 32502e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 txq; 32512e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } ap; 32522e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek struct { 32532e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of max contention period: 0...15 */ 32542e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 log_cw_max; 3255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 32562e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of min contention period: 0...15 */ 32572e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 log_cw_min; 3258a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 32592e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Adaptive interframe spacing in units of 32us */ 32602e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 aifs; 3261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 32622e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* TX queue to configure */ 32632e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 txq; 32642e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } sta; 32652e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek }; 3266ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3267a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_CW 0x01 3269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_TXOP 0x02 3270a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_AIFS 0x04 3271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3272a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_ALL (MWL8K_SET_EDCA_CW | \ 3273a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_SET_EDCA_TXOP | \ 3274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_SET_EDCA_AIFS) 3275a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3276a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 327755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekmwl8k_cmd_set_edca_params(struct ieee80211_hw *hw, __u8 qnum, 327855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u16 cw_min, __u16 cw_max, 327955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 aifs, __u16 txop) 3280a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 32812e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3282a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_edca_params *cmd; 3283a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3284a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3285a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3288a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_EDCA_PARAMS); 3290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_SET_EDCA_ALL); 3292a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->txop = cpu_to_le16(txop); 32932e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek if (priv->ap_fw) { 32942e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.log_cw_max = cpu_to_le32(ilog2(cw_max + 1)); 32952e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.log_cw_min = cpu_to_le32(ilog2(cw_min + 1)); 32962e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.aifs = aifs; 32972e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.txq = qnum; 32982e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } else { 32992e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.log_cw_max = (u8)ilog2(cw_max + 1); 33002e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.log_cw_min = (u8)ilog2(cw_min + 1); 33012e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.aifs = aifs; 33022e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.txq = qnum; 33032e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } 3304a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3305a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3306a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3307a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3308a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3309a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3310a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3311a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 331255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_WMM_MODE. 3313a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 331455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_wmm_mode { 3315a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 331655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 action; 3317ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 331955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_wmm_mode(struct ieee80211_hw *hw, bool enable) 3320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 332155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 332255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_wmm_mode *cmd; 3323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 332955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_WMM_MODE); 3330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 333155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le16(!!enable); 3332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 333516cec43da50c4b4702653ca710549fd3457a4e6cLennert Buytenhek 333655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (!rc) 333755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek priv->wmm_enabled = enable; 3338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 334355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_MIMO_CONFIG. 3344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 334555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_mimo_config { 334655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 334755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 action; 334855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 rx_antenna_map; 334955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 tx_antenna_map; 3350ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 335255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_mimo_config(struct ieee80211_hw *hw, __u8 rx, __u8 tx) 3353a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 335455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_mimo_config *cmd; 3355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3357a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3358a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3359a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3360a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 336155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_MIMO_CONFIG); 3362a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 336355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le32((u32)MWL8K_CMD_SET); 336455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->rx_antenna_map = rx; 336555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->tx_antenna_map = tx; 3366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3367a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3368a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3369a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3370a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3371a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3372a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3373a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 3374b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek * CMD_USE_FIXED_RATE (STA version). 3375a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 3376b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhekstruct mwl8k_cmd_use_fixed_rate_sta { 3377b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek struct mwl8k_cmd_pkt header; 3378b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 action; 3379b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 allow_rate_drop; 3380b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 num_rates; 3381b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek struct { 3382b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 is_ht_rate; 3383b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 enable_retry; 3384b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 rate; 3385b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 retry_count; 3386b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek } rate_entry[8]; 3387b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 rate_type; 3388b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 reserved1; 3389b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 reserved2; 3390ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3392b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek#define MWL8K_USE_AUTO_RATE 0x0002 3393b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek#define MWL8K_UCAST_RATE 0 3394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3395b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhekstatic int mwl8k_cmd_use_fixed_rate_sta(struct ieee80211_hw *hw) 3396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3397b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek struct mwl8k_cmd_use_fixed_rate_sta *cmd; 3398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE); 3405a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3406b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek cmd->action = cpu_to_le32(MWL8K_USE_AUTO_RATE); 3407b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek cmd->rate_type = cpu_to_le32(MWL8K_UCAST_RATE); 3408a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3414a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 341555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 3416088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek * CMD_USE_FIXED_RATE (AP version). 3417088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek */ 3418088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhekstruct mwl8k_cmd_use_fixed_rate_ap { 3419088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek struct mwl8k_cmd_pkt header; 3420088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 action; 3421088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 allow_rate_drop; 3422088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 num_rates; 3423088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek struct mwl8k_rate_entry_ap { 3424088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 is_ht_rate; 3425088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 enable_retry; 3426088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 rate; 3427088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 retry_count; 3428088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek } rate_entry[4]; 3429088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek u8 multicast_rate; 3430088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek u8 multicast_rate_type; 3431088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek u8 management_rate; 3432ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3433088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3434088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhekstatic int 3435088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhekmwl8k_cmd_use_fixed_rate_ap(struct ieee80211_hw *hw, int mcast, int mgmt) 3436088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek{ 3437088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek struct mwl8k_cmd_use_fixed_rate_ap *cmd; 3438088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek int rc; 3439088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3440088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3441088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek if (cmd == NULL) 3442088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek return -ENOMEM; 3443088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3444088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE); 3445088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3446088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->action = cpu_to_le32(MWL8K_USE_AUTO_RATE); 3447088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->multicast_rate = mcast; 3448088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->management_rate = mgmt; 3449088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3450088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3451088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek kfree(cmd); 3452088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3453088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek return rc; 3454088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek} 3455088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3456088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek/* 345755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_ENABLE_SNIFFER. 345855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 345955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_enable_sniffer { 346055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 346155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 action; 3462ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 346355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 346455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_enable_sniffer(struct ieee80211_hw *hw, bool enable) 346555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 346655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_enable_sniffer *cmd; 346755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 346855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 346955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 347055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 347155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 347255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 347355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_ENABLE_SNIFFER); 347455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 347555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le32(!!enable); 347655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 347755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 347855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 347955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 348055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 348155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 348255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 3483197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powarstruct mwl8k_cmd_update_mac_addr { 348455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 348555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek union { 348655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct { 348755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 mac_type; 348855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 mac_addr[ETH_ALEN]; 348955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } mbss; 349055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 mac_addr[ETH_ALEN]; 349155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek }; 3492ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 349355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 3494ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek#define MWL8K_MAC_TYPE_PRIMARY_CLIENT 0 3495ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek#define MWL8K_MAC_TYPE_SECONDARY_CLIENT 1 3496ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek#define MWL8K_MAC_TYPE_PRIMARY_AP 2 3497ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek#define MWL8K_MAC_TYPE_SECONDARY_AP 3 3498a9e00b151ec2121b7ae09d84a2b5a68b6461e98aLennert Buytenhek 3499197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powarstatic int mwl8k_cmd_update_mac_addr(struct ieee80211_hw *hw, 3500197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar struct ieee80211_vif *vif, u8 *mac, bool set) 350155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 350255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3503ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 3504197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar struct mwl8k_cmd_update_mac_addr *cmd; 3505ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek int mac_type; 350655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 350755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 3508ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_PRIMARY_AP; 3509ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek if (vif != NULL && vif->type == NL80211_IFTYPE_STATION) { 3510ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek if (mwl8k_vif->macid + 1 == ffs(priv->sta_macids_supported)) 3511ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_PRIMARY_CLIENT; 3512ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek else 3513ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_SECONDARY_CLIENT; 3514ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek } else if (vif != NULL && vif->type == NL80211_IFTYPE_AP) { 3515ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek if (mwl8k_vif->macid + 1 == ffs(priv->ap_macids_supported)) 3516ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_PRIMARY_AP; 3517ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek else 3518ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_SECONDARY_AP; 3519ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek } 3520ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek 352155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 352255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 352355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 352455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 3525197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar if (set) 3526197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_MAC_ADDR); 3527197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar else 3528197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar cmd->header.code = cpu_to_le16(MWL8K_CMD_DEL_MAC_ADDR); 3529197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar 353055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 353155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (priv->ap_fw) { 3532ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek cmd->mbss.mac_type = cpu_to_le16(mac_type); 353355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek memcpy(cmd->mbss.mac_addr, mac, ETH_ALEN); 353455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } else { 353555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek memcpy(cmd->mac_addr, mac, ETH_ALEN); 353655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } 353755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 3538aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 353955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 354055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 354155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 354255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 354355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 354455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 3545197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar * MWL8K_CMD_SET_MAC_ADDR. 3546197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar */ 3547197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powarstatic inline int mwl8k_cmd_set_mac_addr(struct ieee80211_hw *hw, 3548197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar struct ieee80211_vif *vif, u8 *mac) 3549197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar{ 3550197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar return mwl8k_cmd_update_mac_addr(hw, vif, mac, true); 3551197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar} 3552197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar 3553197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar/* 3554197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar * MWL8K_CMD_DEL_MAC_ADDR. 3555197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar */ 3556197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powarstatic inline int mwl8k_cmd_del_mac_addr(struct ieee80211_hw *hw, 3557197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar struct ieee80211_vif *vif, u8 *mac) 3558197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar{ 3559197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar return mwl8k_cmd_update_mac_addr(hw, vif, mac, false); 3560197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar} 3561197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar 3562197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar/* 356355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_RATEADAPT_MODE. 356455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 356555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_rate_adapt_mode { 356655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 356755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 action; 356855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 mode; 3569ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 357055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 357155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_rateadapt_mode(struct ieee80211_hw *hw, __u16 mode) 357255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 357355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_rate_adapt_mode *cmd; 357455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 357555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 357655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 357755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 357855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 357955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 358055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATEADAPT_MODE); 358155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 358255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 358355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->mode = cpu_to_le16(mode); 358455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 358555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 358655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 358755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 358855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 358955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 359055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 359155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 35923aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam * CMD_GET_WATCHDOG_BITMAP. 35933aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam */ 35943aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadamstruct mwl8k_cmd_get_watchdog_bitmap { 35953aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam struct mwl8k_cmd_pkt header; 35963aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam u8 bitmap; 35973aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam} __packed; 35983aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35993aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadamstatic int mwl8k_cmd_get_watchdog_bitmap(struct ieee80211_hw *hw, u8 *bitmap) 36003aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam{ 36013aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam struct mwl8k_cmd_get_watchdog_bitmap *cmd; 36023aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam int rc; 36033aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 36043aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 36053aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (cmd == NULL) 36063aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam return -ENOMEM; 36073aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 36083aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_WATCHDOG_BITMAP); 36093aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 36103aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 36113aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam rc = mwl8k_post_cmd(hw, &cmd->header); 36123aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (!rc) 36133aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam *bitmap = cmd->bitmap; 36143aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 36153aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam kfree(cmd); 36163aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 36173aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam return rc; 36183aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam} 36193aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 3620cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar#define MWL8K_WMM_QUEUE_NUMBER 3 3621cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar 3622cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powarstatic void mwl8k_destroy_ba(struct ieee80211_hw *hw, 3623cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar u8 idx); 3624cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar 36253aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadamstatic void mwl8k_watchdog_ba_events(struct work_struct *work) 36263aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam{ 36273aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam int rc; 36283aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam u8 bitmap = 0, stream_index; 36293aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam struct mwl8k_ampdu_stream *streams; 36303aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam struct mwl8k_priv *priv = 36313aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam container_of(work, struct mwl8k_priv, watchdog_ba_handle); 3632cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar struct ieee80211_hw *hw = priv->hw; 3633cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar int i; 3634cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar u32 status = 0; 3635cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar 3636cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar mwl8k_fw_lock(hw); 36373aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 36383aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam rc = mwl8k_cmd_get_watchdog_bitmap(priv->hw, &bitmap); 36393aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (rc) 3640cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar goto done; 36413aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 3642cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar spin_lock(&priv->stream_lock); 36433aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 36443aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam /* the bitmap is the hw queue number. Map it to the ampdu queue. */ 3645cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar for (i = 0; i < TOTAL_HW_TX_QUEUES; i++) { 3646cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar if (bitmap & (1 << i)) { 3647cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar stream_index = (i + MWL8K_WMM_QUEUE_NUMBER) % 3648cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar TOTAL_HW_TX_QUEUES; 3649cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar streams = &priv->ampdu[stream_index]; 3650cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar if (streams->state == AMPDU_STREAM_ACTIVE) { 3651cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar ieee80211_stop_tx_ba_session(streams->sta, 3652cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar streams->tid); 3653cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar spin_unlock(&priv->stream_lock); 3654cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar mwl8k_destroy_ba(hw, stream_index); 3655cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar spin_lock(&priv->stream_lock); 3656cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar } 3657cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar } 3658cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar } 36593aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 3660cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar spin_unlock(&priv->stream_lock); 3661cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powardone: 3662c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar atomic_dec(&priv->watchdog_event_pending); 3663cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar status = ioread32(priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 3664cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar iowrite32((status | MWL8K_A2H_INT_BA_WATCHDOG), 3665cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 3666cfacba12f573abd04a202e3e86c09f246339071fYogesh Ashok Powar mwl8k_fw_unlock(hw); 36673aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam return; 36683aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam} 36693aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 36703aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 36713aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam/* 3672b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * CMD_BSS_START. 3673b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek */ 3674b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstruct mwl8k_cmd_bss_start { 3675b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_pkt header; 3676b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek __le32 enable; 3677ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3678b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3679aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhekstatic int mwl8k_cmd_bss_start(struct ieee80211_hw *hw, 3680aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek struct ieee80211_vif *vif, int enable) 3681b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 3682b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_bss_start *cmd; 3683b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rc; 3684b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3685b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3686b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (cmd == NULL) 3687b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return -ENOMEM; 3688b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3689b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_BSS_START); 3690b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3691b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->enable = cpu_to_le32(enable); 3692b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3693aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 3694b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek kfree(cmd); 3695b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3696b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return rc; 3697b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 3698b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3699b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek/* 37005faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam * CMD_BASTREAM. 37015faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam */ 37025faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37035faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam/* 37045faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam * UPSTREAM is tx direction 37055faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam */ 37065faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam#define BASTREAM_FLAG_DIRECTION_UPSTREAM 0x00 37075faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam#define BASTREAM_FLAG_IMMEDIATE_TYPE 0x01 37085faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 3709ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powarenum ba_stream_action_type { 37105faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_CREATE, 37115faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_UPDATE, 37125faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_DESTROY, 37135faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_FLUSH, 37145faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_CHECK, 3715ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar}; 37165faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37175faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37185faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstruct mwl8k_create_ba_stream { 37195faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 flags; 37205faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 idle_thrs; 37215faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 bar_thrs; 37225faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 window_size; 37235faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 peer_mac_addr[6]; 37245faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 dialog_token; 37255faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 tid; 37265faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 queue_id; 37275faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 param_info; 37285faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 ba_context; 37295faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 reset_seq_no_flag; 37305faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le16 curr_seq_no; 37315faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 sta_src_mac_addr[6]; 37325faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} __packed; 37335faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37345faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstruct mwl8k_destroy_ba_stream { 37355faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 flags; 37365faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 ba_context; 37375faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} __packed; 37385faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37395faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstruct mwl8k_cmd_bastream { 37405faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_cmd_pkt header; 37415faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 action; 37425faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam union { 37435faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_create_ba_stream create_params; 37445faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_destroy_ba_stream destroy_params; 37455faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam }; 37465faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} __packed; 37475faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37485faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstatic int 3749f95275c48b60fc486517f05da0800357dfd3ce2fYogesh Ashok Powarmwl8k_check_ba(struct ieee80211_hw *hw, struct mwl8k_ampdu_stream *stream, 3750f95275c48b60fc486517f05da0800357dfd3ce2fYogesh Ashok Powar struct ieee80211_vif *vif) 37515faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam{ 37525faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_cmd_bastream *cmd; 37535faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam int rc; 37545faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37555faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 37565faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam if (cmd == NULL) 37575faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return -ENOMEM; 37585faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37595faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_BASTREAM); 37605faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 37615faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37625faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_BA_CHECK); 37635faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37645faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.queue_id = stream->idx; 37655faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam memcpy(&cmd->create_params.peer_mac_addr[0], stream->sta->addr, 37665faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam ETH_ALEN); 37675faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.tid = stream->tid; 37685faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37695faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.flags = 37705faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cpu_to_le32(BASTREAM_FLAG_IMMEDIATE_TYPE) | 37715faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cpu_to_le32(BASTREAM_FLAG_DIRECTION_UPSTREAM); 37725faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 3773f95275c48b60fc486517f05da0800357dfd3ce2fYogesh Ashok Powar rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 37745faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37755faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam kfree(cmd); 37765faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37775faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return rc; 37785faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} 37795faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37805faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstatic int 37815faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadammwl8k_create_ba(struct ieee80211_hw *hw, struct mwl8k_ampdu_stream *stream, 3782f95275c48b60fc486517f05da0800357dfd3ce2fYogesh Ashok Powar u8 buf_size, struct ieee80211_vif *vif) 37835faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam{ 37845faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_cmd_bastream *cmd; 37855faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam int rc; 37865faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37875faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 37885faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam if (cmd == NULL) 37895faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return -ENOMEM; 37905faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37915faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37925faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_BASTREAM); 37935faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 37945faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37955faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_BA_CREATE); 37965faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37975faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.bar_thrs = cpu_to_le32((u32)buf_size); 37985faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.window_size = cpu_to_le32((u32)buf_size); 37995faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.queue_id = stream->idx; 38005faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 38015faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam memcpy(cmd->create_params.peer_mac_addr, stream->sta->addr, ETH_ALEN); 38025faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.tid = stream->tid; 38035faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.curr_seq_no = cpu_to_le16(0); 38045faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.reset_seq_no_flag = 1; 38055faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 38065faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.param_info = 38075faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam (stream->sta->ht_cap.ampdu_factor & 38085faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam IEEE80211_HT_AMPDU_PARM_FACTOR) | 38095faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam ((stream->sta->ht_cap.ampdu_density << 2) & 38105faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam IEEE80211_HT_AMPDU_PARM_DENSITY); 38115faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 38125faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.flags = 38135faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cpu_to_le32(BASTREAM_FLAG_IMMEDIATE_TYPE | 38145faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam BASTREAM_FLAG_DIRECTION_UPSTREAM); 38155faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 3816f95275c48b60fc486517f05da0800357dfd3ce2fYogesh Ashok Powar rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 38175faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 38185faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam wiphy_debug(hw->wiphy, "Created a BA stream for %pM : tid %d\n", 38195faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam stream->sta->addr, stream->tid); 38205faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam kfree(cmd); 38215faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 38225faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return rc; 38235faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} 38245faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 38255faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstatic void mwl8k_destroy_ba(struct ieee80211_hw *hw, 382607f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar u8 idx) 38275faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam{ 38285faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_cmd_bastream *cmd; 38295faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 38305faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 38315faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam if (cmd == NULL) 38325faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return; 38335faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 38345faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_BASTREAM); 38355faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 38365faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_BA_DESTROY); 38375faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 383807f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar cmd->destroy_params.ba_context = cpu_to_le32(idx); 38395faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam mwl8k_post_cmd(hw, &cmd->header); 38405faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 384107f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar wiphy_debug(hw->wiphy, "Deleted BA stream index %d\n", idx); 38425faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 38435faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam kfree(cmd); 38445faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} 38455faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 38465faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam/* 38473f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek * CMD_SET_NEW_STN. 38483f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek */ 38493f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhekstruct mwl8k_cmd_set_new_stn { 38503f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct mwl8k_cmd_pkt header; 38513f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 aid; 38523f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 mac_addr[6]; 38533f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 stn_id; 38543f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 action; 38553f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 rsvd; 38563f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le32 legacy_rates; 38573f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 ht_rates[4]; 38583f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 cap_info; 38593f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 ht_capabilities_info; 38603f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 mac_ht_param_info; 38613f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 rev; 38623f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 control_channel; 38633f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 add_channel; 38643f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 op_mode; 38653f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 stbc; 38663f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 add_qos_info; 38673f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 is_qos_sta; 38683f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le32 fw_sta_ptr; 3869ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 38703f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 38713f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek#define MWL8K_STA_ACTION_ADD 0 38723f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek#define MWL8K_STA_ACTION_REMOVE 2 38733f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 38743f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhekstatic int mwl8k_cmd_set_new_stn_add(struct ieee80211_hw *hw, 38753f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct ieee80211_vif *vif, 38763f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct ieee80211_sta *sta) 38773f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek{ 38783f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct mwl8k_cmd_set_new_stn *cmd; 38798707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek u32 rates; 38803f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek int rc; 38813f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 38823f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 38833f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek if (cmd == NULL) 38843f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek return -ENOMEM; 38853f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 38863f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_NEW_STN); 38873f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 38883f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->aid = cpu_to_le16(sta->aid); 38893f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek memcpy(cmd->mac_addr, sta->addr, ETH_ALEN); 38903f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->stn_id = cpu_to_le16(sta->aid); 38913f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_STA_ACTION_ADD); 38928707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek if (hw->conf.channel->band == IEEE80211_BAND_2GHZ) 38938707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rates = sta->supp_rates[IEEE80211_BAND_2GHZ]; 38948707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek else 38958707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rates = sta->supp_rates[IEEE80211_BAND_5GHZ] << 5; 38968707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek cmd->legacy_rates = cpu_to_le32(rates); 38973f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek if (sta->ht_cap.ht_supported) { 38983f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_rates[0] = sta->ht_cap.mcs.rx_mask[0]; 38993f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_rates[1] = sta->ht_cap.mcs.rx_mask[1]; 39003f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_rates[2] = sta->ht_cap.mcs.rx_mask[2]; 39013f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_rates[3] = sta->ht_cap.mcs.rx_mask[3]; 39023f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_capabilities_info = cpu_to_le16(sta->ht_cap.cap); 39033f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->mac_ht_param_info = (sta->ht_cap.ampdu_factor & 3) | 39043f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek ((sta->ht_cap.ampdu_density & 7) << 2); 39053f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->is_qos_sta = 1; 39063f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek } 39073f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 3908aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 39093f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek kfree(cmd); 39103f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 39113f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek return rc; 39123f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek} 39133f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 3914b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstatic int mwl8k_cmd_set_new_stn_add_self(struct ieee80211_hw *hw, 3915b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct ieee80211_vif *vif) 3916b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 3917b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_set_new_stn *cmd; 3918b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rc; 3919b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3920b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3921b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (cmd == NULL) 3922b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return -ENOMEM; 3923b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3924b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_NEW_STN); 3925b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3926b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek memcpy(cmd->mac_addr, vif->addr, ETH_ALEN); 3927b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3928aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 3929b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek kfree(cmd); 3930b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3931b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return rc; 3932b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 3933b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 39343f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhekstatic int mwl8k_cmd_set_new_stn_del(struct ieee80211_hw *hw, 39353f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct ieee80211_vif *vif, u8 *addr) 39363f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek{ 39373f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct mwl8k_cmd_set_new_stn *cmd; 39380dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar struct mwl8k_priv *priv = hw->priv; 39390dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar int rc, i; 39400dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar u8 idx; 39410dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar 39420dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar spin_lock(&priv->stream_lock); 39430dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar /* Destroy any active ampdu streams for this sta */ 39440dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar for (i = 0; i < MWL8K_NUM_AMPDU_STREAMS; i++) { 39450dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar struct mwl8k_ampdu_stream *s; 39460dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar s = &priv->ampdu[i]; 39470dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar if (s->state != AMPDU_NO_STREAM) { 39480dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar if (memcmp(s->sta->addr, addr, ETH_ALEN) == 0) { 39490dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar if (s->state == AMPDU_STREAM_ACTIVE) { 39500dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar idx = s->idx; 39510dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar spin_unlock(&priv->stream_lock); 39520dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar mwl8k_destroy_ba(hw, idx); 39530dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar spin_lock(&priv->stream_lock); 39540dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar } else if (s->state == AMPDU_STREAM_NEW) { 39550dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar mwl8k_remove_stream(hw, s); 39560dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar } 39570dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar } 39580dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar } 39590dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar } 39600dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar 39610dd13a48a913f096cb44dbcb6c1daebd94b2cf84Yogesh Ashok Powar spin_unlock(&priv->stream_lock); 39623f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 39633f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 39643f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek if (cmd == NULL) 39653f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek return -ENOMEM; 39663f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 39673f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_NEW_STN); 39683f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 39693f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek memcpy(cmd->mac_addr, addr, ETH_ALEN); 39703f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_STA_ACTION_REMOVE); 39713f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 3972aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 39733f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek kfree(cmd); 39743f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 39753f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek return rc; 39763f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek} 39773f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 39783f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek/* 3979fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam * CMD_UPDATE_ENCRYPTION. 3980fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam */ 3981fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3982fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MAX_ENCR_KEY_LENGTH 16 3983fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MIC_KEY_LENGTH 8 3984fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3985fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstruct mwl8k_cmd_update_encryption { 3986fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_pkt header; 3987fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3988fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 action; 3989fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 reserved; 3990fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 mac_addr[6]; 3991fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 encr_type; 3992fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3993ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar} __packed; 3994fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3995fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstruct mwl8k_cmd_set_key { 3996fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_pkt header; 3997fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3998fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 action; 3999fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 reserved; 4000fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 length; 4001fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 key_type_id; 4002fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 key_info; 4003fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 key_id; 4004fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 key_len; 4005fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 key_material[MAX_ENCR_KEY_LENGTH]; 4006fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 tkip_tx_mic_key[MIC_KEY_LENGTH]; 4007fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 tkip_rx_mic_key[MIC_KEY_LENGTH]; 4008fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 tkip_rsc_low; 4009fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 tkip_rsc_high; 4010fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 tkip_tsc_low; 4011fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 tkip_tsc_high; 4012fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 mac_addr[6]; 4013ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar} __packed; 4014fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4015fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamenum { 4016fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ENCR_ENABLE, 4017fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ENCR_SET_KEY, 4018fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ENCR_REMOVE_KEY, 4019fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ENCR_SET_GROUP_KEY, 4020fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam}; 4021fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4022fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_WEP 0 4023fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_DISABLE 1 4024fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_TKIP 4 4025fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_MIXED 7 4026fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_AES 8 4027fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4028fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamenum { 4029fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ALG_WEP, 4030fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ALG_TKIP, 4031fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ALG_CCMP, 4032fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam}; 4033fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4034fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_TXGROUPKEY 0x00000004 4035fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_PAIRWISE 0x00000008 4036fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_TSC_VALID 0x00000040 4037fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_WEP_TXKEY 0x01000000 4038fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_MICKEY_VALID 0x02000000 4039fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4040fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_cmd_update_encryption_enable(struct ieee80211_hw *hw, 4041fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_vif *vif, 4042fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr, 4043fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 encr_type) 4044fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 4045fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_update_encryption *cmd; 4046fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int rc; 4047fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4048fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4049fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (cmd == NULL) 4050fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -ENOMEM; 4051fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4052fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_ENCRYPTION); 4053fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 4054fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_ENCR_ENABLE); 4055fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam memcpy(cmd->mac_addr, addr, ETH_ALEN); 4056fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->encr_type = encr_type; 4057fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4058fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 4059fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam kfree(cmd); 4060fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4061fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return rc; 4062fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 4063fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4064fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_encryption_set_cmd_info(struct mwl8k_cmd_set_key *cmd, 4065fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr, 4066fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key) 4067fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 4068fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_ENCRYPTION); 4069fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 4070fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->length = cpu_to_le16(sizeof(*cmd) - 4071fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam offsetof(struct mwl8k_cmd_set_key, length)); 4072fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_id = cpu_to_le32(key->keyidx); 4073fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_len = cpu_to_le16(key->keylen); 4074fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam memcpy(cmd->mac_addr, addr, ETH_ALEN); 4075fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4076fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam switch (key->cipher) { 4077fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_WEP40: 4078fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_WEP104: 4079fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_type_id = cpu_to_le16(MWL8K_ALG_WEP); 4080fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (key->keyidx == 0) 4081fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_info = cpu_to_le32(MWL8K_KEY_FLAG_WEP_TXKEY); 4082fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4083fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4084fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_TKIP: 4085fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_type_id = cpu_to_le16(MWL8K_ALG_TKIP); 4086fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_info = (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 4087fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam ? cpu_to_le32(MWL8K_KEY_FLAG_PAIRWISE) 4088fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam : cpu_to_le32(MWL8K_KEY_FLAG_TXGROUPKEY); 4089fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_info |= cpu_to_le32(MWL8K_KEY_FLAG_MICKEY_VALID 4090fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam | MWL8K_KEY_FLAG_TSC_VALID); 4091fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4092fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_CCMP: 4093fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_type_id = cpu_to_le16(MWL8K_ALG_CCMP); 4094fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_info = (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 4095fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam ? cpu_to_le32(MWL8K_KEY_FLAG_PAIRWISE) 4096fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam : cpu_to_le32(MWL8K_KEY_FLAG_TXGROUPKEY); 4097fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4098fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam default: 4099fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -ENOTSUPP; 4100fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } 4101fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4102fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return 0; 4103fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 4104fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4105fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_cmd_encryption_set_key(struct ieee80211_hw *hw, 4106fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_vif *vif, 4107fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr, 4108fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key) 4109fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 4110fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_set_key *cmd; 4111fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int rc; 4112fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int keymlen; 4113fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u32 action; 4114fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 idx; 4115fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 4116fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4117fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4118fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (cmd == NULL) 4119fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -ENOMEM; 4120fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4121fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_encryption_set_cmd_info(cmd, addr, key); 4122fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc < 0) 4123fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto done; 4124fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4125fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam idx = key->keyidx; 4126fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4127fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 4128fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam action = MWL8K_ENCR_SET_KEY; 4129fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam else 4130fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam action = MWL8K_ENCR_SET_GROUP_KEY; 4131fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4132fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam switch (key->cipher) { 4133fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_WEP40: 4134fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_WEP104: 4135fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (!mwl8k_vif->wep_key_conf[idx].enabled) { 4136fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam memcpy(mwl8k_vif->wep_key_conf[idx].key, key, 4137fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam sizeof(*key) + key->keylen); 4138fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam mwl8k_vif->wep_key_conf[idx].enabled = 1; 4139fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } 4140fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 41419b571e24a9922f79ed2440b4482cb9f11a8f1889Yogesh Ashok Powar keymlen = key->keylen; 4142fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam action = MWL8K_ENCR_SET_KEY; 4143fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4144fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_TKIP: 4145fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam keymlen = MAX_ENCR_KEY_LENGTH + 2 * MIC_KEY_LENGTH; 4146fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4147fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_CCMP: 4148fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam keymlen = key->keylen; 4149fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4150fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam default: 4151fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = -ENOTSUPP; 4152fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto done; 4153fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } 4154fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4155fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam memcpy(cmd->key_material, key->key, keymlen); 4156fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->action = cpu_to_le32(action); 4157fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4158fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 4159fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamdone: 4160fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam kfree(cmd); 4161fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4162fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return rc; 4163fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 4164fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4165fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_cmd_encryption_remove_key(struct ieee80211_hw *hw, 4166fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_vif *vif, 4167fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr, 4168fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key) 4169fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 4170fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_set_key *cmd; 4171fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int rc; 4172fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 4173fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4174fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4175fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (cmd == NULL) 4176fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -ENOMEM; 4177fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4178fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_encryption_set_cmd_info(cmd, addr, key); 4179fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc < 0) 4180fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto done; 4181fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4182fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (key->cipher == WLAN_CIPHER_SUITE_WEP40 || 4183d981e05908f85beb68ae0d935e59c5e399d2136eDan Carpenter key->cipher == WLAN_CIPHER_SUITE_WEP104) 4184fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam mwl8k_vif->wep_key_conf[key->keyidx].enabled = 0; 4185fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4186fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_ENCR_REMOVE_KEY); 4187fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4188fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 4189fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamdone: 4190fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam kfree(cmd); 4191fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4192fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return rc; 4193fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 4194fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4195fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_set_key(struct ieee80211_hw *hw, 4196fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam enum set_key_cmd cmd_param, 4197fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_vif *vif, 4198fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_sta *sta, 4199fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key) 4200fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 4201fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int rc = 0; 4202fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 encr_type; 4203fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr; 4204fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 4205fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4206fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (vif->type == NL80211_IFTYPE_STATION) 4207fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -EOPNOTSUPP; 4208fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4209fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (sta == NULL) 4210ff7e9f99f7effb385a9be2f7198743c1ad2bb126Yogesh Ashok Powar addr = vif->addr; 4211fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam else 4212fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam addr = sta->addr; 4213fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4214fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (cmd_param == SET_KEY) { 4215fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_cmd_encryption_set_key(hw, vif, addr, key); 4216fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc) 4217fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto out; 4218fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4219fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if ((key->cipher == WLAN_CIPHER_SUITE_WEP40) 4220fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam || (key->cipher == WLAN_CIPHER_SUITE_WEP104)) 4221fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam encr_type = MWL8K_UPDATE_ENCRYPTION_TYPE_WEP; 4222fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam else 4223fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam encr_type = MWL8K_UPDATE_ENCRYPTION_TYPE_MIXED; 4224fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4225fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_cmd_update_encryption_enable(hw, vif, addr, 4226fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam encr_type); 4227fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc) 4228fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto out; 4229fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4230fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam mwl8k_vif->is_hw_crypto_enabled = true; 4231fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4232fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } else { 4233fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_cmd_encryption_remove_key(hw, vif, addr, key); 4234fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4235fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc) 4236fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto out; 4237fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } 4238fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamout: 4239fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return rc; 4240fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 4241fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4242fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam/* 424355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_UPDATE_STADB. 424455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 424525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhekstruct ewc_ht_info { 424625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 control1; 424725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 control2; 424825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 control3; 4249ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 425025d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 425125d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhekstruct peer_capability_info { 425225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Peer type - AP vs. STA. */ 425325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 peer_type; 425425d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 425525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Basic 802.11 capabilities from assoc resp. */ 425625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 basic_caps; 425725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 425825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Set if peer supports 802.11n high throughput (HT). */ 425925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 ht_support; 426025d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 426125d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Valid if HT is supported. */ 426225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 ht_caps; 426325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 extended_ht_caps; 426425d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek struct ewc_ht_info ewc_info; 426525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 426625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Legacy rate table. Intersection of our rates and peer rates. */ 426725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 legacy_rates[12]; 426825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 426925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* HT rate table. Intersection of our rates and peer rates. */ 427025d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 ht_rates[16]; 427125d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 pad[16]; 427225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 427325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* If set, interoperability mode, no proprietary extensions. */ 427425d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 interop; 427525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 pad2; 427625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 station_id; 427725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 amsdu_enabled; 4278ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 427925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 428055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_update_stadb { 428155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 428255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 428355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* See STADB_ACTION_TYPE */ 428455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 action; 428555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 428655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* Peer MAC address */ 428755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 peer_addr[ETH_ALEN]; 428855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 428955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 reserved; 429055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 429155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* Peer info - valid during add/update. */ 429255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct peer_capability_info peer_info; 4293ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 429455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 4295a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_STA_DB_MODIFY_ENTRY 1 4296a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_STA_DB_DEL_ENTRY 2 4297a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4298a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek/* Peer Entry flags - used to define the type of the peer node */ 4299a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_PEER_TYPE_ACCESSPOINT 2 4300a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4301a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhekstatic int mwl8k_cmd_update_stadb_add(struct ieee80211_hw *hw, 4302c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek struct ieee80211_vif *vif, 430313935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek struct ieee80211_sta *sta) 430455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 430555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_update_stadb *cmd; 4306a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct peer_capability_info *p; 43078707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek u32 rates; 430855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 430955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 431055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 431155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 431255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 431355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 431455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_STADB); 431555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 4316a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->action = cpu_to_le32(MWL8K_STA_DB_MODIFY_ENTRY); 431713935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(cmd->peer_addr, sta->addr, ETH_ALEN); 431855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 4319a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p = &cmd->peer_info; 4320a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->peer_type = MWL8K_PEER_TYPE_ACCESSPOINT; 4321a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->basic_caps = cpu_to_le16(vif->bss_conf.assoc_capability); 432213935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek p->ht_support = sta->ht_cap.ht_supported; 4323b603742f49c3ec922522602e18ac22e8f6835132John W. Linville p->ht_caps = cpu_to_le16(sta->ht_cap.cap); 432413935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek p->extended_ht_caps = (sta->ht_cap.ampdu_factor & 3) | 432513935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek ((sta->ht_cap.ampdu_density & 7) << 2); 43268707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek if (hw->conf.channel->band == IEEE80211_BAND_2GHZ) 43278707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rates = sta->supp_rates[IEEE80211_BAND_2GHZ]; 43288707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek else 43298707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rates = sta->supp_rates[IEEE80211_BAND_5GHZ] << 5; 43308707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek legacy_rate_mask_to_array(p->legacy_rates, rates); 433113935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(p->ht_rates, sta->ht_cap.mcs.rx_mask, 16); 4332a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->interop = 1; 4333a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->amsdu_enabled = 0; 4334a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4335a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 4336a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek kfree(cmd); 4337a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4338a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek return rc ? rc : p->station_id; 4339a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek} 4340a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4341a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhekstatic int mwl8k_cmd_update_stadb_del(struct ieee80211_hw *hw, 4342a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct ieee80211_vif *vif, u8 *addr) 4343a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek{ 4344a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct mwl8k_cmd_update_stadb *cmd; 4345a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek int rc; 4346a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4347a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4348a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek if (cmd == NULL) 4349a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek return -ENOMEM; 4350a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4351a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_STADB); 4352a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 4353a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->action = cpu_to_le32(MWL8K_STA_DB_DEL_ENTRY); 4354bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek memcpy(cmd->peer_addr, addr, ETH_ALEN); 435555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 4356a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 435755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 435855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 435955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 436055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 436155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 4362a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4363a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 4364a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Interrupt handling. 4365a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 4366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic irqreturn_t mwl8k_interrupt(int irq, void *dev_id) 4367a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4368a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = dev_id; 4369a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4370a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 status; 4371a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4372a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = ioread32(priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 4373a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!status) 4374a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return IRQ_NONE; 4375a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 43761e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek if (status & MWL8K_A2H_INT_TX_DONE) { 43771e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek status &= ~MWL8K_A2H_INT_TX_DONE; 43781e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_schedule(&priv->poll_tx_task); 43791e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek } 43801e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 4381a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_RX_READY) { 438267e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek status &= ~MWL8K_A2H_INT_RX_READY; 438367e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_schedule(&priv->poll_rx_task); 4384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 43863aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (status & MWL8K_A2H_INT_BA_WATCHDOG) { 4387c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar iowrite32(~MWL8K_A2H_INT_BA_WATCHDOG, 4388c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 4389c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar 4390c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar atomic_inc(&priv->watchdog_event_pending); 43913aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam status &= ~MWL8K_A2H_INT_BA_WATCHDOG; 43923aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam ieee80211_queue_work(hw, &priv->watchdog_ba_handle); 43933aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam } 43943aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 439567e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek if (status) 439667e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek iowrite32(~status, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 439767e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 4398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_OPC_DONE) { 4399618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (priv->hostcmd_wait != NULL) 4400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek complete(priv->hostcmd_wait); 4401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_QUEUE_EMPTY) { 4404618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (!mutex_is_locked(&priv->fw_mutex) && 440588de754ad59025eba797e7a8375807755577f450Lennert Buytenhek priv->radio_on && priv->pending_tx_pkts) 4406618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mwl8k_tx_start(priv); 4407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4408a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return IRQ_HANDLED; 4410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 44121e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhekstatic void mwl8k_tx_poll(unsigned long data) 44131e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek{ 44141e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek struct ieee80211_hw *hw = (struct ieee80211_hw *)data; 44151e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 44161e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek int limit; 44171e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek int i; 44181e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 44191e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek limit = 32; 44201e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 44211e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek spin_lock_bh(&priv->tx_lock); 44221e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 4423e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 44241e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek limit -= mwl8k_txq_reclaim(hw, i, limit, 0); 44251e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 44261e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek if (!priv->pending_tx_pkts && priv->tx_wait != NULL) { 44271e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek complete(priv->tx_wait); 44281e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek priv->tx_wait = NULL; 44291e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek } 44301e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 44311e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 44321e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 44331e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek if (limit) { 44341e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek writel(~MWL8K_A2H_INT_TX_DONE, 44351e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 44361e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek } else { 44371e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_schedule(&priv->poll_tx_task); 44381e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek } 44391e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek} 44401e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 444167e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhekstatic void mwl8k_rx_poll(unsigned long data) 444267e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek{ 444367e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek struct ieee80211_hw *hw = (struct ieee80211_hw *)data; 444467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 444567e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek int limit; 444667e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 444767e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek limit = 32; 444867e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek limit -= rxq_process(hw, 0, limit); 444967e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek limit -= rxq_refill(hw, 0, limit); 445067e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 445167e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek if (limit) { 445267e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek writel(~MWL8K_A2H_INT_RX_READY, 445367e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 445467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek } else { 445567e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_schedule(&priv->poll_rx_task); 445667e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek } 445767e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek} 445867e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 4459a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4460a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 4461a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Core driver operations. 4462a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 446336323f817af0376c78612cfdab714b0feb05fea5Thomas Huehnstatic void mwl8k_tx(struct ieee80211_hw *hw, 446436323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn struct ieee80211_tx_control *control, 446536323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn struct sk_buff *skb) 4466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int index = skb_get_queue_mapping(skb); 4469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 44709189c10087a738c764046fa27651d332594cd8e6Lennert Buytenhek if (!priv->radio_on) { 4471c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_debug(hw->wiphy, 4472c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "dropped TX frame since radio disabled\n"); 4473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(skb); 44747bb4568372856688bc070917265bce0b88bb7d4dJohannes Berg return; 4475a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 447736323f817af0376c78612cfdab714b0feb05fea5Thomas Huehn mwl8k_txq_xmit(hw, index, control->sta, skb); 4478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_start(struct ieee80211_hw *hw) 4481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 4484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4485a0607fd3a25ba1848a63a0d925e36d914735ab47Joe Perches rc = request_irq(priv->pdev->irq, mwl8k_interrupt, 4486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IRQF_SHARED, MWL8K_NAME, hw); 4487a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 4488bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo priv->irq = -1; 44895db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to register IRQ handler\n"); 44902ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek return -EIO; 4491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4492bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo priv->irq = priv->pdev->irq; 4493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 449467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek /* Enable TX reclaim and RX tasklets. */ 44951e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_enable(&priv->poll_tx_task); 449667e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_enable(&priv->poll_rx_task); 44972ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 4498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Enable interrupts */ 4499c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 450012488e01fb2b06bb3f6ee137efc88e29d827817eNishant Sarmukadam iowrite32(MWL8K_A2H_EVENTS, 450112488e01fb2b06bb3f6ee137efc88e29d827817eNishant Sarmukadam priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 4502a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 45032ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_fw_lock(hw); 45042ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) { 450555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_radio_enable(hw); 4506a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 45075e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!priv->ap_fw) { 45085e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!rc) 450955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_enable_sniffer(hw, 0); 4510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 45115e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!rc) 45125e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek rc = mwl8k_cmd_set_pre_scan(hw); 45135e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek 45145e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!rc) 45155e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek rc = mwl8k_cmd_set_post_scan(hw, 45165e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek "\x00\x00\x00\x00\x00\x00"); 45175e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek } 45182ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 45192ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 452055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_rateadapt_mode(hw, 0); 4521a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 45222ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 452355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_wmm_mode(hw, 0); 4524a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 45252ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek mwl8k_fw_unlock(hw); 45262ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek } 45272ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 45282ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (rc) { 45292ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 45302ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek free_irq(priv->pdev->irq, hw); 4531bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo priv->irq = -1; 45321e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_disable(&priv->poll_tx_task); 453367e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_disable(&priv->poll_rx_task); 45344850b6d355b457738fe7d872c833474dbec25304Nishant Sarmukadam } else { 45354850b6d355b457738fe7d872c833474dbec25304Nishant Sarmukadam ieee80211_wake_queues(hw); 45362ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek } 4537a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4538a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 4539a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4540a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4541a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_stop(struct ieee80211_hw *hw) 4542a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4543a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4544a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 4545a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 45466b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!priv->hw_restart_in_progress) 45476b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_cmd_radio_disable(hw); 4548a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4549a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queues(hw); 4550a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4551a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable interrupts */ 4552a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 4553bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo if (priv->irq != -1) { 4554bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo free_irq(priv->pdev->irq, hw); 4555bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo priv->irq = -1; 4556bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo } 4557a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4558a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop finalize join worker */ 4559a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cancel_work_sync(&priv->finalize_join_worker); 45603aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam cancel_work_sync(&priv->watchdog_ba_handle); 4561a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->beacon_skb != NULL) 4562a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(priv->beacon_skb); 4563a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 456467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek /* Stop TX reclaim and RX tasklets. */ 45651e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_disable(&priv->poll_tx_task); 456667e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_disable(&priv->poll_rx_task); 4567a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4568a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Return all skbs to mac80211 */ 4569e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 4570efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek mwl8k_txq_reclaim(hw, i, INT_MAX, 1); 4571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4572a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 45730863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolostatic int mwl8k_reload_firmware(struct ieee80211_hw *hw, char *fw_image); 45740863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo 4575a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_add_interface(struct ieee80211_hw *hw, 4576f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct ieee80211_vif *vif) 4577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4578a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4579a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mwl8k_vif; 4580ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek u32 macids_supported; 45810863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo int macid, rc; 45820863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo struct mwl8k_device_info *di; 4583a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4584a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 4585a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Reject interface creation if sniffer mode is active, as 4586a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * STA operation is mutually exclusive with hardware sniffer 4587b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * mode. (Sniffer mode is only used on STA firmware.) 4588a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 4589a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (priv->sniffer_enabled) { 4590c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_info(hw->wiphy, 4591c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "unable to create STA interface because sniffer mode is enabled\n"); 4592a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return -EINVAL; 4593a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 4594a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 45950863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo di = priv->device_info; 4596ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek switch (vif->type) { 4597ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek case NL80211_IFTYPE_AP: 45980863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (!priv->ap_fw && di->fw_image_ap) { 45990863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo /* we must load the ap fw to meet this request */ 46000863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (!list_empty(&priv->vif_list)) 46010863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo return -EBUSY; 46020863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo rc = mwl8k_reload_firmware(hw, di->fw_image_ap); 46030863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (rc) 46040863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo return rc; 46050863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo } 4606ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek macids_supported = priv->ap_macids_supported; 4607ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek break; 4608ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek case NL80211_IFTYPE_STATION: 46090863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (priv->ap_fw && di->fw_image_sta) { 46100863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo /* we must load the sta fw to meet this request */ 46110863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (!list_empty(&priv->vif_list)) 46120863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo return -EBUSY; 46130863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo rc = mwl8k_reload_firmware(hw, di->fw_image_sta); 46140863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (rc) 46150863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo return rc; 46160863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo } 4617ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek macids_supported = priv->sta_macids_supported; 4618ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek break; 4619ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek default: 4620ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek return -EINVAL; 4621ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek } 4622ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek 4623ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek macid = ffs(macids_supported & ~priv->macids_used); 4624ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek if (!macid--) 4625ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek return -EBUSY; 4626ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek 4627f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek /* Setup driver private area. */ 46281ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg mwl8k_vif = MWL8K_VIF(vif); 4629a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(mwl8k_vif, 0, sizeof(*mwl8k_vif)); 4630f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek mwl8k_vif->vif = vif; 4631ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mwl8k_vif->macid = macid; 4632a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->seqno = 0; 4633d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam memcpy(mwl8k_vif->bssid, vif->addr, ETH_ALEN); 4634d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam mwl8k_vif->is_hw_crypto_enabled = false; 4635a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4636aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek /* Set the mac address. */ 4637aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek mwl8k_cmd_set_mac_addr(hw, vif, vif->addr); 4638aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek 4639aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek if (priv->ap_fw) 4640aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek mwl8k_cmd_set_new_stn_add_self(hw, vif); 4641aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek 4642ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->macids_used |= 1 << mwl8k_vif->macid; 4643f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek list_add_tail(&mwl8k_vif->list, &priv->vif_list); 4644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4645a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 4646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 46486b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powarstatic void mwl8k_remove_vif(struct mwl8k_priv *priv, struct mwl8k_vif *vif) 46496b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar{ 46506b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* Has ieee80211_restart_hw re-added the removed interfaces? */ 46516b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!priv->macids_used) 46526b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar return; 46536b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 46546b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->macids_used &= ~(1 << vif->macid); 46556b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar list_del(&vif->list); 46566b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar} 46576b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 4658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_remove_interface(struct ieee80211_hw *hw, 46591ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg struct ieee80211_vif *vif) 4660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4662f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 4663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4664b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (priv->ap_fw) 4665b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_cmd_set_new_stn_del(hw, vif, vif->addr); 4666b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4667197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar mwl8k_cmd_del_mac_addr(hw, vif, vif->addr); 466832060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 46696b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_remove_vif(priv, mwl8k_vif); 46706b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar} 46716b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 46726b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powarstatic void mwl8k_hw_restart_work(struct work_struct *work) 46736b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar{ 46746b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar struct mwl8k_priv *priv = 46756b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar container_of(work, struct mwl8k_priv, fw_reload); 46766b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar struct ieee80211_hw *hw = priv->hw; 46776b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar struct mwl8k_device_info *di; 46786b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar int rc; 46796b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 46806b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* If some command is waiting for a response, clear it */ 46816b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->hostcmd_wait != NULL) { 46826b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar complete(priv->hostcmd_wait); 46836b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hostcmd_wait = NULL; 46846b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar } 46856b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 46866b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hw_restart_owner = current; 46876b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar di = priv->device_info; 46886b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_fw_lock(hw); 46896b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 46906b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->ap_fw) 46916b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar rc = mwl8k_reload_firmware(hw, di->fw_image_ap); 46926b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar else 46936b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar rc = mwl8k_reload_firmware(hw, di->fw_image_sta); 46946b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 46956b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (rc) 46966b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar goto fail; 46976b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 46986b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hw_restart_owner = NULL; 46996b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hw_restart_in_progress = false; 47006b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 47016b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* 47026b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * This unlock will wake up the queues and 47036b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * also opens the command path for other 47046b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * commands 47056b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 47066b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_fw_unlock(hw); 47076b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 47086b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar ieee80211_restart_hw(hw); 47096b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 47106b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar wiphy_err(hw->wiphy, "Firmware restarted successfully\n"); 47116b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 47126b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar return; 47136b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powarfail: 47146b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_fw_unlock(hw); 47156b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 47166b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar wiphy_err(hw->wiphy, "Firmware restart failed\n"); 4717a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4719ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhekstatic int mwl8k_config(struct ieee80211_hw *hw, u32 changed) 4720a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4721a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_conf *conf = &hw->conf; 4722a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4723ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek int rc; 4724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 47257595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek if (conf->flags & IEEE80211_CONF_IDLE) { 472655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek mwl8k_cmd_radio_disable(hw); 4727ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return 0; 47287595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek } 47297595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek 4730ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek rc = mwl8k_fw_lock(hw); 4731ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 4732ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return rc; 4733a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 473455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_radio_enable(hw); 4735ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 4736ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 4737a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4738610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek rc = mwl8k_cmd_set_rf_channel(hw, conf); 4739ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 4740ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 4741ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek 4742a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (conf->power_level > 18) 4743a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek conf->power_level = 18; 4744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 474508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek if (priv->ap_fw) { 47460321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam 47470321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam if (conf->flags & IEEE80211_CONF_CHANGE_POWER) { 47480321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam rc = mwl8k_cmd_tx_power(hw, conf, conf->power_level); 47490321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam if (rc) 47500321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam goto out; 47510321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam } 475241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 4753da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_RX, 0x3); 4754da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam if (rc) 4755da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam wiphy_warn(hw->wiphy, "failed to set # of RX antennas"); 4756da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_TX, 0x7); 4757da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam if (rc) 4758da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam wiphy_warn(hw->wiphy, "failed to set # of TX antennas"); 4759da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam 476008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek } else { 476141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam rc = mwl8k_cmd_rf_tx_power(hw, conf->power_level); 476241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam if (rc) 476341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam goto out; 476408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek rc = mwl8k_cmd_mimo_config(hw, 0x7, 0x7); 476508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek } 4766a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4767ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhekout: 4768ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek mwl8k_fw_unlock(hw); 4769a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4770ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return rc; 4771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4772a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4773b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstatic void 4774b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekmwl8k_bss_info_changed_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4775b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct ieee80211_bss_conf *info, u32 changed) 4776a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4777a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4778ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar u32 ap_legacy_rates = 0; 477913935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek u8 ap_mcs_rates[16]; 47803a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek int rc; 47813a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek 4782c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (mwl8k_fw_lock(hw)) 47833a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek return; 4784a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4785c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek /* 4786c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek * No need to capture a beacon if we're no longer associated. 4787c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek */ 4788c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if ((changed & BSS_CHANGED_ASSOC) && !vif->bss_conf.assoc) 4789c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek priv->capture_beacon = false; 47903a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek 4791c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek /* 479213935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek * Get the AP's legacy and MCS rates. 4793c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek */ 47947dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek if (vif->bss_conf.assoc) { 4795c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek struct ieee80211_sta *ap; 4796c97470dd253831e880c72ea5d022ed7f3aee45c3Lennert Buytenhek 4797c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek rcu_read_lock(); 4798c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 4799c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek ap = ieee80211_find_sta(vif, vif->bss_conf.bssid); 4800c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (ap == NULL) { 4801c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek rcu_read_unlock(); 4802c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek goto out; 4803c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4804c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek 48058707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek if (hw->conf.channel->band == IEEE80211_BAND_2GHZ) { 48068707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek ap_legacy_rates = ap->supp_rates[IEEE80211_BAND_2GHZ]; 48078707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek } else { 48088707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek ap_legacy_rates = 48098707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek ap->supp_rates[IEEE80211_BAND_5GHZ] << 5; 48108707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek } 481113935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(ap_mcs_rates, ap->ht_cap.mcs.rx_mask, 16); 4812c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek 4813c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek rcu_read_unlock(); 4814c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4815c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 4816c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if ((changed & BSS_CHANGED_ASSOC) && vif->bss_conf.assoc) { 481713935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek rc = mwl8k_cmd_set_rate(hw, vif, ap_legacy_rates, ap_mcs_rates); 48183a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 48193a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 4820a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4821b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek rc = mwl8k_cmd_use_fixed_rate_sta(hw); 48223a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 48233a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 4824c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4825a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4826c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (changed & BSS_CHANGED_ERP_PREAMBLE) { 48277dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek rc = mwl8k_set_radio_preamble(hw, 48287dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek vif->bss_conf.use_short_preamble); 48293a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 48303a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 4831c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4832a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4833c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (changed & BSS_CHANGED_ERP_SLOT) { 48347dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek rc = mwl8k_cmd_set_slot(hw, vif->bss_conf.use_short_slot); 48353a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 48363a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 4837c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4838a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4839c97470dd253831e880c72ea5d022ed7f3aee45c3Lennert Buytenhek if (vif->bss_conf.assoc && 4840c97470dd253831e880c72ea5d022ed7f3aee45c3Lennert Buytenhek (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_ERP_CTS_PROT | 4841c97470dd253831e880c72ea5d022ed7f3aee45c3Lennert Buytenhek BSS_CHANGED_HT))) { 4842c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek rc = mwl8k_cmd_set_aid(hw, vif, ap_legacy_rates); 48433a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 48443a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 4845c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4846a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4847c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (vif->bss_conf.assoc && 4848c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_BEACON_INT))) { 4849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 4850a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Finalize the join. Tell rx handler to process 4851a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * next beacon from our BSSID. 4852a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 48530a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhek memcpy(priv->capture_bssid, vif->bss_conf.bssid, ETH_ALEN); 4854a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = true; 4855a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4856a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 48573a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhekout: 48583a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek mwl8k_fw_unlock(hw); 4859a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4860a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4861b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstatic void 4862b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekmwl8k_bss_info_changed_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4863b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct ieee80211_bss_conf *info, u32 changed) 4864b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 4865b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rc; 4866b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4867b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (mwl8k_fw_lock(hw)) 4868b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return; 4869b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4870b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (changed & BSS_CHANGED_ERP_PREAMBLE) { 4871b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek rc = mwl8k_set_radio_preamble(hw, 4872b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek vif->bss_conf.use_short_preamble); 4873b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (rc) 4874b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek goto out; 4875b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek } 4876b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4877b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (changed & BSS_CHANGED_BASIC_RATES) { 4878b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int idx; 4879b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rate; 4880b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4881b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek /* 4882b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * Use lowest supported basic rate for multicasts 4883b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * and management frames (such as probe responses -- 4884b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * beacons will always go out at 1 Mb/s). 4885b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek */ 4886b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek idx = ffs(vif->bss_conf.basic_rates); 48878707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek if (idx) 48888707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek idx--; 48898707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek 48908707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek if (hw->conf.channel->band == IEEE80211_BAND_2GHZ) 48918707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rate = mwl8k_rates_24[idx].hw_value; 48928707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek else 48938707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rate = mwl8k_rates_50[idx].hw_value; 4894b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4895b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_cmd_use_fixed_rate_ap(hw, rate, rate); 4896b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek } 4897b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4898b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (changed & (BSS_CHANGED_BEACON_INT | BSS_CHANGED_BEACON)) { 4899b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct sk_buff *skb; 4900b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4901b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek skb = ieee80211_beacon_get(hw, vif); 4902b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (skb != NULL) { 4903aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek mwl8k_cmd_set_beacon(hw, vif, skb->data, skb->len); 4904b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek kfree_skb(skb); 4905b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek } 4906b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek } 4907b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4908b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (changed & BSS_CHANGED_BEACON_ENABLED) 4909aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek mwl8k_cmd_bss_start(hw, vif, info->enable_beacon); 4910b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4911b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekout: 4912b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_fw_unlock(hw); 4913b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 4914b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4915b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstatic void 4916b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekmwl8k_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4917b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct ieee80211_bss_conf *info, u32 changed) 4918b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 4919b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4920b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4921b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (!priv->ap_fw) 4922b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_bss_info_changed_sta(hw, vif, info, changed); 4923b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek else 4924b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_bss_info_changed_ap(hw, vif, info, changed); 4925b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 4926b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4927e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhekstatic u64 mwl8k_prepare_multicast(struct ieee80211_hw *hw, 492822bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko struct netdev_hw_addr_list *mc_list) 4929e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek{ 4930e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek struct mwl8k_cmd_pkt *cmd; 4931e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 4932447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek /* 4933447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * Synthesize and return a command packet that programs the 4934447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * hardware multicast address filter. At this point we don't 4935447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * know whether FIF_ALLMULTI is being requested, but if it is, 4936447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * we'll end up throwing this packet away and creating a new 4937447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * one in mwl8k_configure_filter(). 4938447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek */ 493922bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko cmd = __mwl8k_cmd_mac_multicast_adr(hw, 0, mc_list); 4940e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 4941e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return (unsigned long)cmd; 4942e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek} 4943e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 4944a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhekstatic int 4945a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhekmwl8k_configure_filter_sniffer(struct ieee80211_hw *hw, 4946a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek unsigned int changed_flags, 4947a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek unsigned int *total_flags) 4948a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek{ 4949a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4950a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4951a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek /* 4952a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Hardware sniffer mode is mutually exclusive with STA 4953a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * operation, so refuse to enable sniffer mode if a STA 4954a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * interface is active. 4955a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 4956f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek if (!list_empty(&priv->vif_list)) { 4957a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (net_ratelimit()) 4958c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_info(hw->wiphy, 4959c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "not enabling sniffer mode because STA interface is active\n"); 4960a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 0; 4961a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 4962a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4963a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (!priv->sniffer_enabled) { 496455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (mwl8k_cmd_enable_sniffer(hw, 1)) 4965a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 0; 4966a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek priv->sniffer_enabled = true; 4967a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 4968a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4969a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek *total_flags &= FIF_PROMISC_IN_BSS | FIF_ALLMULTI | 4970a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL | 4971a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek FIF_OTHER_BSS; 4972a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4973a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 1; 4974a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek} 4975a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4976f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhekstatic struct mwl8k_vif *mwl8k_first_vif(struct mwl8k_priv *priv) 4977f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek{ 4978f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek if (!list_empty(&priv->vif_list)) 4979f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek return list_entry(priv->vif_list.next, struct mwl8k_vif, list); 4980f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek 4981f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek return NULL; 4982f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek} 4983f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek 4984e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhekstatic void mwl8k_configure_filter(struct ieee80211_hw *hw, 4985e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek unsigned int changed_flags, 4986e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek unsigned int *total_flags, 4987e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek u64 multicast) 4988e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek{ 4989e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4990a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek struct mwl8k_cmd_pkt *cmd = (void *)(unsigned long)multicast; 4991a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4992a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek /* 4993c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek * AP firmware doesn't allow fine-grained control over 4994c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek * the receive filter. 4995c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek */ 4996c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek if (priv->ap_fw) { 4997c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek *total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC; 4998c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek kfree(cmd); 4999c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek return; 5000c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek } 5001c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek 5002c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek /* 5003a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Enable hardware sniffer mode if FIF_CONTROL or 5004a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * FIF_OTHER_BSS is requested. 5005a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 5006a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (*total_flags & (FIF_CONTROL | FIF_OTHER_BSS) && 5007a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek mwl8k_configure_filter_sniffer(hw, changed_flags, total_flags)) { 5008a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek kfree(cmd); 5009a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return; 5010a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 5011a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5012e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek /* Clear unsupported feature flags */ 5013447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek *total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC; 5014a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 501590852f7aed0f90d443efd7e0f9b82d8ac8186848Lennert Buytenhek if (mwl8k_fw_lock(hw)) { 501690852f7aed0f90d443efd7e0f9b82d8ac8186848Lennert Buytenhek kfree(cmd); 5017e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek return; 501890852f7aed0f90d443efd7e0f9b82d8ac8186848Lennert Buytenhek } 5019a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5020a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (priv->sniffer_enabled) { 502155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek mwl8k_cmd_enable_sniffer(hw, 0); 5022a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek priv->sniffer_enabled = false; 5023a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 5024a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 5025e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 502677165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek if (*total_flags & FIF_BCN_PRBRESP_PROMISC) { 502777165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek /* 502877165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * Disable the BSS filter. 502977165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek */ 5030e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_cmd_set_pre_scan(hw); 503177165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek } else { 5032f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct mwl8k_vif *mwl8k_vif; 50330a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhek const u8 *bssid; 5034a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek 503577165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek /* 503677165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * Enable the BSS filter. 503777165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * 503877165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * If there is an active STA interface, use that 503977165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * interface's BSSID, otherwise use a dummy one 504077165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * (where the OUI part needs to be nonzero for 504177165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * the BSSID to be accepted by POST_SCAN). 504277165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek */ 5043f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek mwl8k_vif = mwl8k_first_vif(priv); 5044f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek if (mwl8k_vif != NULL) 5045f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek bssid = mwl8k_vif->vif->bss_conf.bssid; 5046f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek else 5047f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek bssid = "\x01\x00\x00\x00\x00\x00"; 5048a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek 5049e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_cmd_set_post_scan(hw, bssid); 5050a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5051a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5052a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5053447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek /* 5054447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * If FIF_ALLMULTI is being requested, throw away the command 5055447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * packet that ->prepare_multicast() built and replace it with 5056447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * a command packet that enables reception of all multicast 5057447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * packets. 5058447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek */ 5059447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (*total_flags & FIF_ALLMULTI) { 5060447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek kfree(cmd); 506122bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko cmd = __mwl8k_cmd_mac_multicast_adr(hw, 1, NULL); 5062447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek } 5063447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek 5064447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (cmd != NULL) { 5065447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek mwl8k_post_cmd(hw, cmd); 5066447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek kfree(cmd); 5067e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek } 5068a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5069e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_fw_unlock(hw); 5070a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5071a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5072a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 5073a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 5074c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek return mwl8k_cmd_set_rts_threshold(hw, value); 5075a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5076a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 50774a6967b88af02eebeedfbb91bc09160750225bb5Johannes Bergstatic int mwl8k_sta_remove(struct ieee80211_hw *hw, 50784a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg struct ieee80211_vif *vif, 50794a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg struct ieee80211_sta *sta) 50803f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek{ 50813f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 50823f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 50834a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg if (priv->ap_fw) 50844a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg return mwl8k_cmd_set_new_stn_del(hw, vif, sta->addr); 50854a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg else 50864a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg return mwl8k_cmd_update_stadb_del(hw, vif, sta->addr); 5087bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek} 5088bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 50894a6967b88af02eebeedfbb91bc09160750225bb5Johannes Bergstatic int mwl8k_sta_add(struct ieee80211_hw *hw, 50904a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg struct ieee80211_vif *vif, 50914a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg struct ieee80211_sta *sta) 5092bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek{ 5093bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 50944a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg int ret; 5095fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int i; 5096fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 5097fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key; 5098bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 50994a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg if (!priv->ap_fw) { 51004a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg ret = mwl8k_cmd_update_stadb_add(hw, vif, sta); 51014a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg if (ret >= 0) { 51024a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg MWL8K_STA(sta)->peer_id = ret; 5103170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam if (sta->ht_cap.ht_supported) 5104170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam MWL8K_STA(sta)->is_ampdu_allowed = true; 5105fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam ret = 0; 51064a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg } 5107bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 5108d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } else { 5109d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam ret = mwl8k_cmd_set_new_stn_add(hw, vif, sta); 5110bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek } 51114a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg 5112d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam for (i = 0; i < NUM_WEP_KEYS; i++) { 5113d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam key = IEEE80211_KEY_CONF(mwl8k_vif->wep_key_conf[i].key); 5114d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (mwl8k_vif->wep_key_conf[i].enabled) 5115d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam mwl8k_set_key(hw, SET_KEY, vif, sta, key); 5116d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 5117fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return ret; 5118bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek} 5119bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 51208a3a3c85e44d58f5af0adac74a0b866ba89a1978Eliad Pellerstatic int mwl8k_conf_tx(struct ieee80211_hw *hw, 51218a3a3c85e44d58f5af0adac74a0b866ba89a1978Eliad Peller struct ieee80211_vif *vif, u16 queue, 5122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const struct ieee80211_tx_queue_params *params) 5123a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 51243e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 5125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 5126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 51273e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek rc = mwl8k_fw_lock(hw); 51283e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!rc) { 5129e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo BUG_ON(queue > MWL8K_TX_WMM_QUEUES - 1); 51300863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo memcpy(&priv->wmm_params[queue], params, sizeof(*params)); 51310863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo 51323e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!priv->wmm_enabled) 513355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_wmm_mode(hw, 1); 5134a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 513585c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam if (!rc) { 5136e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo int q = MWL8K_TX_WMM_QUEUES - 1 - queue; 513785c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam rc = mwl8k_cmd_set_edca_params(hw, q, 513855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->cw_min, 513955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->cw_max, 514055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->aifs, 514155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->txop); 514285c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam } 51433e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek 51443e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek mwl8k_fw_unlock(hw); 5145a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 51463e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek 5147a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 5148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5149a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5150a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_get_stats(struct ieee80211_hw *hw, 5151a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_low_level_stats *stats) 5152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 515355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_get_stat(hw, stats); 5154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5155a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 51560d462bbb0e20863b6c796abd779bfdb534d60278John W. Linvillestatic int mwl8k_get_survey(struct ieee80211_hw *hw, int idx, 51570d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville struct survey_info *survey) 51580d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville{ 51590d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville struct mwl8k_priv *priv = hw->priv; 51600d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville struct ieee80211_conf *conf = &hw->conf; 51610d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 51620d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville if (idx != 0) 51630d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville return -ENOENT; 51640d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 51650d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville survey->channel = conf->channel; 51660d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville survey->filled = SURVEY_INFO_NOISE_DBM; 51670d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville survey->noise = priv->noise; 51680d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 51690d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville return 0; 51700d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville} 51710d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 517265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam#define MAX_AMPDU_ATTEMPTS 5 517365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 5174a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhekstatic int 5175a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhekmwl8k_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5176a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek enum ieee80211_ampdu_mlme_action action, 51770b01f030d38e00650e2db42da083d8647aad40a5Johannes Berg struct ieee80211_sta *sta, u16 tid, u16 *ssn, 51780b01f030d38e00650e2db42da083d8647aad40a5Johannes Berg u8 buf_size) 5179a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek{ 518065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 518165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam int i, rc = 0; 518265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam struct mwl8k_priv *priv = hw->priv; 518365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam struct mwl8k_ampdu_stream *stream; 518407f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar u8 *addr = sta->addr, idx; 5185fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar struct mwl8k_sta *sta_info = MWL8K_STA(sta); 518665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 518765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (!(hw->flags & IEEE80211_HW_AMPDU_AGGREGATION)) 518865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam return -ENOTSUPP; 518965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 519065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 519165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream = mwl8k_lookup_stream(hw, addr, tid); 519265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 5193a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek switch (action) { 5194a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek case IEEE80211_AMPDU_RX_START: 5195a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek case IEEE80211_AMPDU_RX_STOP: 519665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 519765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam case IEEE80211_AMPDU_TX_START: 519865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* By the time we get here the hw queues may contain outgoing 519965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * packets for this RA/TID that are not part of this BA 520065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * session. The hw will assign sequence numbers to these 520165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * packets as they go out. So if we query the hw for its next 520265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * sequence number and use that for the SSN here, it may end up 520365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * being wrong, which will lead to sequence number mismatch at 520465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * the recipient. To avoid this, we reset the sequence number 520565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * to O for the first MPDU in this BA stream. 520665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 520765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam *ssn = 0; 520865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (stream == NULL) { 520965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* This means that somebody outside this driver called 521065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * ieee80211_start_tx_ba_session. This is unexpected 521165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * because we do our own rate control. Just warn and 521265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * move on. 521365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 521465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_warn(hw->wiphy, "Unexpected call to %s. " 521565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam "Proceeding anyway.\n", __func__); 521665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream = mwl8k_add_stream(hw, sta, tid); 521765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 521865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (stream == NULL) { 521965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_debug(hw->wiphy, "no free AMPDU streams\n"); 522065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam rc = -EBUSY; 522165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 522265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 522365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream->state = AMPDU_STREAM_IN_PROGRESS; 522465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 522565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* Release the lock before we do the time consuming stuff */ 522665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 522765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam for (i = 0; i < MAX_AMPDU_ATTEMPTS; i++) { 5228fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar 5229fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar /* Check if link is still valid */ 5230fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar if (!sta_info->is_ampdu_allowed) { 5231fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar spin_lock(&priv->stream_lock); 5232fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar mwl8k_remove_stream(hw, stream); 5233fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar spin_unlock(&priv->stream_lock); 5234fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar return -EBUSY; 5235fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar } 5236fd712f5f5e0723fbbd3720983b3fa2189b2e10f8Yogesh Ashok Powar 5237f95275c48b60fc486517f05da0800357dfd3ce2fYogesh Ashok Powar rc = mwl8k_check_ba(hw, stream, vif); 523865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 52396b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* If HW restart is in progress mwl8k_post_cmd will 52406b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * return -EBUSY. Avoid retrying mwl8k_check_ba in 52416b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * such cases 52426b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 52436b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!rc || rc == -EBUSY) 524465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 524565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* 524665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * HW queues take time to be flushed, give them 524765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * sufficient time 524865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 524965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 525065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam msleep(1000); 525165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 525265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 525365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (rc) { 525465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_err(hw->wiphy, "Stream for tid %d busy after %d" 525565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam " attempts\n", tid, MAX_AMPDU_ATTEMPTS); 525665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_remove_stream(hw, stream); 525765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam rc = -EBUSY; 525865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 525965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 526065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam ieee80211_start_tx_ba_cb_irqsafe(vif, addr, tid); 526165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 526218b559d5db47c86b10c14590aa2d26c0243c39e4Johannes Berg case IEEE80211_AMPDU_TX_STOP_CONT: 526318b559d5db47c86b10c14590aa2d26c0243c39e4Johannes Berg case IEEE80211_AMPDU_TX_STOP_FLUSH: 526418b559d5db47c86b10c14590aa2d26c0243c39e4Johannes Berg case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 5265eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar if (stream) { 5266eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar if (stream->state == AMPDU_STREAM_ACTIVE) { 526707f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar idx = stream->idx; 5268eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar spin_unlock(&priv->stream_lock); 526907f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar mwl8k_destroy_ba(hw, idx); 5270eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar spin_lock(&priv->stream_lock); 5271eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar } 5272eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar mwl8k_remove_stream(hw, stream); 527365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 527465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam ieee80211_stop_tx_ba_cb_irqsafe(vif, addr, tid); 527565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 527665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam case IEEE80211_AMPDU_TX_OPERATIONAL: 527765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam BUG_ON(stream == NULL); 527865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam BUG_ON(stream->state != AMPDU_STREAM_IN_PROGRESS); 527965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 5280f95275c48b60fc486517f05da0800357dfd3ce2fYogesh Ashok Powar rc = mwl8k_create_ba(hw, stream, buf_size, vif); 528165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 528265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (!rc) 528365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream->state = AMPDU_STREAM_ACTIVE; 528465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam else { 528507f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar idx = stream->idx; 528665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 528707f6dda1e7ed653c87ed329c99d6ae12ee114d52Yogesh Ashok Powar mwl8k_destroy_ba(hw, idx); 528865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 528965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_debug(hw->wiphy, 529065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam "Failed adding stream for sta %pM tid %d\n", 529165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam addr, tid); 529265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_remove_stream(hw, stream); 529365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 529465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 529565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 5296a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek default: 529765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam rc = -ENOTSUPP; 5298a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek } 529965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 530065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 530165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam return rc; 5302a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek} 5303a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek 5304a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const struct ieee80211_ops mwl8k_ops = { 5305a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .tx = mwl8k_tx, 5306a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .start = mwl8k_start, 5307a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .stop = mwl8k_stop, 5308a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .add_interface = mwl8k_add_interface, 5309a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .remove_interface = mwl8k_remove_interface, 5310a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .config = mwl8k_config, 5311a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .bss_info_changed = mwl8k_bss_info_changed, 53123ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg .prepare_multicast = mwl8k_prepare_multicast, 5313a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .configure_filter = mwl8k_configure_filter, 5314fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam .set_key = mwl8k_set_key, 5315a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .set_rts_threshold = mwl8k_set_rts_threshold, 53164a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg .sta_add = mwl8k_sta_add, 53174a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg .sta_remove = mwl8k_sta_remove, 5318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .conf_tx = mwl8k_conf_tx, 5319a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .get_stats = mwl8k_get_stats, 53200d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville .get_survey = mwl8k_get_survey, 5321a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek .ampdu_action = mwl8k_ampdu_action, 5322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 5323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_finalize_join_worker(struct work_struct *work) 5325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 5326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = 5327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek container_of(work, struct mwl8k_priv, finalize_join_worker); 5328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb = priv->beacon_skb; 532956007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg struct ieee80211_mgmt *mgmt = (void *)skb->data; 533056007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg int len = skb->len - offsetof(struct ieee80211_mgmt, u.beacon.variable); 533156007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg const u8 *tim = cfg80211_find_ie(WLAN_EID_TIM, 533256007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg mgmt->u.beacon.variable, len); 533356007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg int dtim_period = 1; 533456007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg 533556007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg if (tim && tim[1] >= 2) 533656007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg dtim_period = tim[3]; 5337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 533856007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg mwl8k_cmd_finalize_join(priv->hw, skb->data, skb->len, dtim_period); 5339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5340f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek dev_kfree_skb(skb); 5341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->beacon_skb = NULL; 5342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5344bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linvilleenum { 53459e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek MWL8363 = 0, 53469e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek MWL8687, 5347bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville MWL8366, 53486f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek}; 53496f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 5350c2f2e2029bea2a8a759b2bc2a44f4d41539af236Yogesh Ashok Powar#define MWL8K_8366_AP_FW_API 3 5351952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo#define _MWL8K_8366_AP_FW(api) "mwl8k/fmimage_8366_ap-" #api ".fw" 5352952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo#define MWL8K_8366_AP_FW(api) _MWL8K_8366_AP_FW(api) 5353952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo 53548dee5eef2ab313e519e6ce3c3bf9a16cfc6f5907Bill Pembertonstatic struct mwl8k_device_info mwl8k_info_tbl[] = { 53559e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek [MWL8363] = { 53569e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek .part_name = "88w8363", 53579e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek .helper_image = "mwl8k/helper_8363.fw", 53580863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo .fw_image_sta = "mwl8k/fmimage_8363.fw", 53599e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek }, 536049eb691c8f48a29adfdfbdeb82433f1f8cb6524dLennert Buytenhek [MWL8687] = { 5361bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .part_name = "88w8687", 5362bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .helper_image = "mwl8k/helper_8687.fw", 53630863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo .fw_image_sta = "mwl8k/fmimage_8687.fw", 5364bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville }, 536549eb691c8f48a29adfdfbdeb82433f1f8cb6524dLennert Buytenhek [MWL8366] = { 5366bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .part_name = "88w8366", 5367bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .helper_image = "mwl8k/helper_8366.fw", 53680863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo .fw_image_sta = "mwl8k/fmimage_8366.fw", 5369952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo .fw_image_ap = MWL8K_8366_AP_FW(MWL8K_8366_AP_FW_API), 5370952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo .fw_api_ap = MWL8K_8366_AP_FW_API, 537189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .ap_rxd_ops = &rxd_8366_ap_ops, 5372bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville }, 537345a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek}; 537445a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 5375c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/helper_8363.fw"); 5376c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/fmimage_8363.fw"); 5377c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/helper_8687.fw"); 5378c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/fmimage_8687.fw"); 5379c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/helper_8366.fw"); 5380c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/fmimage_8366.fw"); 5381952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian CavagnoloMODULE_FIRMWARE(MWL8K_8366_AP_FW(MWL8K_8366_AP_FW_API)); 5382c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert Buytenhek 538345a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhekstatic DEFINE_PCI_DEVICE_TABLE(mwl8k_pci_id_table) = { 5384e5868ba10c3c5d8a56c06bbafe098103356ac03fBenjamin Larsson { PCI_VDEVICE(MARVELL, 0x2a0a), .driver_data = MWL8363, }, 53859e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a0c), .driver_data = MWL8363, }, 53869e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a24), .driver_data = MWL8363, }, 5387bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { PCI_VDEVICE(MARVELL, 0x2a2b), .driver_data = MWL8687, }, 5388bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { PCI_VDEVICE(MARVELL, 0x2a30), .driver_data = MWL8687, }, 5389bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { PCI_VDEVICE(MARVELL, 0x2a40), .driver_data = MWL8366, }, 5390ca66527c60385dcec878ebd90749d1fdc43bc870Lennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a43), .driver_data = MWL8366, }, 5391bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { }, 539245a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek}; 539345a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert BuytenhekMODULE_DEVICE_TABLE(pci, mwl8k_pci_id_table); 539445a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 539599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic int mwl8k_request_alt_fw(struct mwl8k_priv *priv) 539699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo{ 539799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo int rc; 539899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting preferred fw %s.\n" 539999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo "Trying alternative firmware %s\n", pci_name(priv->pdev), 540099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref, priv->fw_alt); 540199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, priv->fw_alt, &priv->fw_ucode, true); 540299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) { 540399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting alt fw %s\n", 540499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo pci_name(priv->pdev), priv->fw_alt); 540599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return rc; 540699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 540799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return 0; 540899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo} 540999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 541099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic int mwl8k_firmware_load_success(struct mwl8k_priv *priv); 541199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic void mwl8k_fw_state_machine(const struct firmware *fw, void *context) 541299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo{ 541399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo struct mwl8k_priv *priv = context; 541499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo struct mwl8k_device_info *di = priv->device_info; 541599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo int rc; 541699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 541799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo switch (priv->fw_state) { 541899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo case FW_STATE_INIT: 541999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (!fw) { 542099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting helper fw %s\n", 542199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo pci_name(priv->pdev), di->helper_image); 542299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 542399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 542499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_helper = fw; 542599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, priv->fw_pref, &priv->fw_ucode, 542699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo true); 542799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc && priv->fw_alt) { 542899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_alt_fw(priv); 542999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 543099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 543199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_LOADING_ALT; 543299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else if (rc) 543399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 543499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 543599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_LOADING_PREF; 543699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo break; 543799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 543899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo case FW_STATE_LOADING_PREF: 543999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (!fw) { 544099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (priv->fw_alt) { 544199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_alt_fw(priv); 544299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 544399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 544499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_LOADING_ALT; 544599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else 544699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 544799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else { 544899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_ucode = fw; 544999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_firmware_load_success(priv); 545099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 545199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 545299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 545399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo complete(&priv->firmware_loading_complete); 545499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 545599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo break; 545699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 545799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo case FW_STATE_LOADING_ALT: 545899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (!fw) { 545999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting alt fw %s\n", 546099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo pci_name(priv->pdev), di->helper_image); 546199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 546299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 546399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_ucode = fw; 546499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_firmware_load_success(priv); 546599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 546699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 546799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 546899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo complete(&priv->firmware_loading_complete); 546999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo break; 547099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 547199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo default: 547299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Unexpected firmware loading state: %d\n", 547399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo MWL8K_NAME, priv->fw_state); 547499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo BUG_ON(1); 547599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 547699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 547799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return; 547899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 547999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolofail: 548099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_ERROR; 548199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo complete(&priv->firmware_loading_complete); 548299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo device_release_driver(&priv->pdev->dev); 548399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo mwl8k_release_firmware(priv); 548499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo} 548599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 54866b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar#define MAX_RESTART_ATTEMPTS 1 548799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic int mwl8k_init_firmware(struct ieee80211_hw *hw, char *fw_image, 548899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo bool nowait) 5489a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 54903cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct mwl8k_priv *priv = hw->priv; 5491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 54926b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar int count = MAX_RESTART_ATTEMPTS; 5493be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 54946b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powarretry: 5495be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Reset firmware and hardware */ 5496be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek mwl8k_hw_reset(priv); 5497be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5498be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Ask userland hotplug daemon for the device firmware */ 549999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_firmware(priv, fw_image, nowait); 5500be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek if (rc) { 55015db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Firmware files not found\n"); 55023cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 5503be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek } 5504be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 550599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (nowait) 550699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return rc; 550799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 5508be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Load firmware into hardware */ 5509be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek rc = mwl8k_load_firmware(hw); 55103cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 55115db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Cannot start firmware\n"); 5512be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5513be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Reclaim memory once firmware is successfully loaded */ 5514be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek mwl8k_release_firmware(priv); 5515be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 55166b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (rc && count) { 55176b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* FW did not start successfully; 55186b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * lets try one more time 55196b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 55206b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar count--; 55216b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar wiphy_err(hw->wiphy, "Trying to reload the firmware again\n"); 55226b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar msleep(20); 55236b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar goto retry; 55246b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar } 55256b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 55263cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 55273cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo} 55283cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 552973b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolostatic int mwl8k_init_txqs(struct ieee80211_hw *hw) 553073b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo{ 553173b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo struct mwl8k_priv *priv = hw->priv; 553273b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo int rc = 0; 553373b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo int i; 553473b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo 5535e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) { 553673b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo rc = mwl8k_txq_init(hw, i); 553773b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (rc) 553873b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo break; 553973b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (priv->ap_fw) 554073b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo iowrite32(priv->txq[i].txd_dma, 554173b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->sram + priv->txq_offset[i]); 554273b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo } 554373b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo return rc; 554473b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo} 554573b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo 55463cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo/* initialize hw after successfully loading a firmware image */ 55473cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolostatic int mwl8k_probe_hw(struct ieee80211_hw *hw) 55483cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo{ 55493cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct mwl8k_priv *priv = hw->priv; 55503cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int rc = 0; 55513cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int i; 5552be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 555391942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek if (priv->ap_fw) { 555489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek priv->rxd_ops = priv->device_info->ap_rxd_ops; 555591942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek if (priv->rxd_ops == NULL) { 5556c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_err(hw->wiphy, 5557c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "Driver does not have AP firmware image support for this hardware\n"); 5558a2ca8ecb8ffc985e82c9570c3837408f7efe8c9dAlexey Khoroshilov rc = -ENOENT; 555991942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek goto err_stop_firmware; 556091942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek } 556191942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek } else { 556289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek priv->rxd_ops = &rxd_sta_ops; 556391942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek } 5564be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5565be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek priv->sniffer_enabled = false; 5566be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek priv->wmm_enabled = false; 5567be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek priv->pending_tx_pkts = 0; 5568c27a54d3f12383789b57a404649daf98a05cbd72Yogesh Ashok Powar atomic_set(&priv->watchdog_event_pending, 0); 5569be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_rxq_init(hw, 0); 5571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 55723cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_stop_firmware; 5573a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq_refill(hw, 0, INT_MAX); 5574a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 557573b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo /* For the sta firmware, we need to know the dma addresses of tx queues 557673b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo * before sending MWL8K_CMD_GET_HW_SPEC. So we must initialize them 557773b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo * prior to issuing this command. But for the AP case, we learn the 557873b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo * total number of queues from the result CMD_GET_HW_SPEC, so for this 557973b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo * case we must initialize the tx queues after. 558073b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo */ 55818a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo priv->num_ampdu_queues = 0; 558273b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (!priv->ap_fw) { 558373b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo rc = mwl8k_init_txqs(hw); 5584a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 5585a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_queues; 5586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5587a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5588a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 5589c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 55903aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam iowrite32(MWL8K_A2H_INT_TX_DONE|MWL8K_A2H_INT_RX_READY| 55913aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam MWL8K_A2H_INT_BA_WATCHDOG, 55921e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek priv->regs + MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL); 559312488e01fb2b06bb3f6ee137efc88e29d827817eNishant Sarmukadam iowrite32(MWL8K_A2H_INT_OPC_DONE, 559412488e01fb2b06bb3f6ee137efc88e29d827817eNishant Sarmukadam priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 5595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5596a0607fd3a25ba1848a63a0d925e36d914735ab47Joe Perches rc = request_irq(priv->pdev->irq, mwl8k_interrupt, 5597a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IRQF_SHARED, MWL8K_NAME, hw); 5598a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 55995db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to register IRQ handler\n"); 5600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_queues; 5601a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 56036b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* 56046b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * When hw restart is requested, 56056b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * mac80211 will take care of clearing 56066b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * the ampdu streams, so do not clear 56076b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * the ampdu state here 56086b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 56096b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!priv->hw_restart_in_progress) 56106b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar memset(priv->ampdu, 0, sizeof(priv->ampdu)); 5611ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 5612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 5613a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Temporarily enable interrupts. Initial firmware host 5614c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek * commands use interrupts and avoid polling. Disable 5615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * interrupts when done. 5616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 5617c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 5618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Get config data, mac addrs etc */ 562042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (priv->ap_fw) { 562142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_cmd_get_hw_spec_ap(hw); 562242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (!rc) 562373b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo rc = mwl8k_init_txqs(hw); 562473b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (!rc) 562542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_cmd_set_hw_spec(hw); 562642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek } else { 562742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_cmd_get_hw_spec_sta(hw); 562842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek } 5629a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 56305db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Cannot initialise firmware\n"); 5631be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_free_irq; 5632a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5633a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Turn radio off */ 563555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_radio_disable(hw); 5636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 56375db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Cannot disable\n"); 5638be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_free_irq; 5639a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 564132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek /* Clear MAC address */ 5642aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_cmd_set_mac_addr(hw, NULL, "\x00\x00\x00\x00\x00\x00"); 564332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek if (rc) { 56445db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Cannot clear MAC address\n"); 5645be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_free_irq; 564632060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek } 564732060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 5648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable interrupts */ 5649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 5650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 5651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5652c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_info(hw->wiphy, "%s v%d, %pm, %s firmware %u.%u.%u.%u\n", 5653c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches priv->device_info->part_name, 5654c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches priv->hw_rev, hw->wiphy->perm_addr, 5655c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches priv->ap_fw ? "AP" : "STA", 5656c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches (priv->fw_rev >> 24) & 0xff, (priv->fw_rev >> 16) & 0xff, 5657c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches (priv->fw_rev >> 8) & 0xff, priv->fw_rev & 0xff); 5658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 5660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_irq: 5662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 5663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 5664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_queues: 5666e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 5667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_deinit(hw, i); 5668a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_rxq_deinit(hw, 0); 5669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 56703cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnoloerr_stop_firmware: 56713cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_hw_reset(priv); 56723cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56733cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 56743cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo} 56753cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56763cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo/* 56773cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * invoke mwl8k_reload_firmware to change the firmware image after the device 56783cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * has already been registered 56793cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo */ 56803cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolostatic int mwl8k_reload_firmware(struct ieee80211_hw *hw, char *fw_image) 56813cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo{ 56823cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int i, rc = 0; 56833cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct mwl8k_priv *priv = hw->priv; 56846b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar struct mwl8k_vif *vif, *tmp_vif; 56853cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56863cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_stop(hw); 56873cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_rxq_deinit(hw, 0); 56883cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56896b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* 56906b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * All the existing interfaces are re-added by the ieee80211_reconfig; 56916b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * which means driver should remove existing interfaces before calling 56926b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * ieee80211_restart_hw 56936b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 56946b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->hw_restart_in_progress) 56956b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar list_for_each_entry_safe(vif, tmp_vif, &priv->vif_list, list) 56966b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_remove_vif(priv, vif); 56976b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 5698e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 56993cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_txq_deinit(hw, i); 57003cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 570199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_init_firmware(hw, fw_image, false); 57023cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 57033cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 57043cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57053cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = mwl8k_probe_hw(hw); 57063cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 57073cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 57083cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57096b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->hw_restart_in_progress) 57106b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar return rc; 57116b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 57123cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = mwl8k_start(hw); 57133cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 57143cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 57153cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57163cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = mwl8k_config(hw, ~0); 57173cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 57183cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 57193cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5720e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < MWL8K_TX_WMM_QUEUES; i++) { 57218a3a3c85e44d58f5af0adac74a0b866ba89a1978Eliad Peller rc = mwl8k_conf_tx(hw, NULL, i, &priv->wmm_params[i]); 57223cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 57233cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 57243cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 57253cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57263cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 57273cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57283cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolofail: 57293cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_WARNING "mwl8k: Failed to reload firmware image.\n"); 57303cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 57313cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo} 57323cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57335d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powarstatic const struct ieee80211_iface_limit ap_if_limits[] = { 57345d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar { .max = 8, .types = BIT(NL80211_IFTYPE_AP) }, 57355d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar}; 57365d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar 57375d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powarstatic const struct ieee80211_iface_combination ap_if_comb = { 57385d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar .limits = ap_if_limits, 57395d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar .n_limits = ARRAY_SIZE(ap_if_limits), 57405d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar .max_interfaces = 8, 57415d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar .num_different_channels = 1, 57425d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar}; 57435d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar 57445d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar 57453cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolostatic int mwl8k_firmware_load_success(struct mwl8k_priv *priv) 57463cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo{ 57473cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct ieee80211_hw *hw = priv->hw; 57483cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int i, rc; 57493cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 575099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_load_firmware(hw); 575199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo mwl8k_release_firmware(priv); 575299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) { 575399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo wiphy_err(hw->wiphy, "Cannot start firmware\n"); 575499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return rc; 575599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 575699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 57573cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* 57583cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * Extra headroom is the size of the required DMA header 57593cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * minus the size of the smallest 802.11 frame (CTS frame). 57603cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo */ 57613cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->extra_tx_headroom = 57623cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo sizeof(struct mwl8k_dma_data) - sizeof(struct ieee80211_cts); 57633cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5764ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar hw->extra_tx_headroom -= priv->ap_fw ? REDUCED_TX_HEADROOM : 0; 5765ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 57663cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->channel_change_time = 10; 57673cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5768e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo hw->queues = MWL8K_TX_WMM_QUEUES; 57693cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57703cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* Set rssi values to dBm */ 57710bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam hw->flags |= IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_HAS_RATE_CONTROL; 57722a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar 57732a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar /* 57742a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar * Ask mac80211 to not to trigger PS mode 57752a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar * based on PM bit of incoming frames. 57762a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar */ 57772a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar if (priv->ap_fw) 57782a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar hw->flags |= IEEE80211_HW_AP_LINK_PS; 57792a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar 57803cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->vif_data_size = sizeof(struct mwl8k_vif); 57813cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->sta_data_size = sizeof(struct mwl8k_sta); 57823cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57833cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->macids_used = 0; 57843cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo INIT_LIST_HEAD(&priv->vif_list); 57853cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57863cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* Set default radio state and preamble */ 57873db1cd5c05f35fb43eb134df6f321de4e63141f2Rusty Russell priv->radio_on = false; 57883db1cd5c05f35fb43eb134df6f321de4e63141f2Rusty Russell priv->radio_short_preamble = false; 57893cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57903cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* Finalize join worker */ 57913cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo INIT_WORK(&priv->finalize_join_worker, mwl8k_finalize_join_worker); 57923aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam /* Handle watchdog ba events */ 57933aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam INIT_WORK(&priv->watchdog_ba_handle, mwl8k_watchdog_ba_events); 57946b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* To reload the firmware if it crashes */ 57956b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar INIT_WORK(&priv->fw_reload, mwl8k_hw_restart_work); 57963cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57973cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* TX reclaim and RX tasklets. */ 57983cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo tasklet_init(&priv->poll_tx_task, mwl8k_tx_poll, (unsigned long)hw); 57993cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo tasklet_disable(&priv->poll_tx_task); 58003cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo tasklet_init(&priv->poll_rx_task, mwl8k_rx_poll, (unsigned long)hw); 58013cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo tasklet_disable(&priv->poll_rx_task); 58023cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58033cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* Power management cookie */ 58043cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->cookie = pci_alloc_consistent(priv->pdev, 4, &priv->cookie_dma); 58053cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->cookie == NULL) 58063cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return -ENOMEM; 58073cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58083cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mutex_init(&priv->fw_mutex); 58093cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->fw_mutex_owner = NULL; 58103cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->fw_mutex_depth = 0; 58113cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->hostcmd_wait = NULL; 58123cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58133cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo spin_lock_init(&priv->tx_lock); 58143cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5815ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo spin_lock_init(&priv->stream_lock); 5816ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 58173cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->tx_wait = NULL; 58183cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58193cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = mwl8k_probe_hw(hw); 58203cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 58213cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_free_cookie; 58223cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58233cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->wiphy->interface_modes = 0; 58245d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar 58255d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar if (priv->ap_macids_supported || priv->device_info->fw_image_ap) { 58263cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP); 58275d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar hw->wiphy->iface_combinations = &ap_if_comb; 58285d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar hw->wiphy->n_iface_combinations = 1; 58295d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar } 58305d377fcaf48cc38882bb92c3b4a0cfcfb250087bYogesh Ashok Powar 58313cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->sta_macids_supported || priv->device_info->fw_image_sta) 58323cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_STATION); 58333cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58343cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = ieee80211_register_hw(hw); 58353cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) { 58363cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo wiphy_err(hw->wiphy, "Cannot register device\n"); 58373cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_unprobe_hw; 58383cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 58393cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58403cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return 0; 58413cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58423cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnoloerr_unprobe_hw: 5843e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 58443cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_txq_deinit(hw, i); 58453cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_rxq_deinit(hw, 0); 58463cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5847be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhekerr_free_cookie: 5848a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->cookie != NULL) 5849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 4, 5850a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->cookie, priv->cookie_dma); 5851a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 58523cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 58533cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo} 58548dee5eef2ab313e519e6ce3c3bf9a16cfc6f5907Bill Pembertonstatic int mwl8k_probe(struct pci_dev *pdev, 58553cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo const struct pci_device_id *id) 58563cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo{ 58573cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo static int printed_version; 58583cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct ieee80211_hw *hw; 58593cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct mwl8k_priv *priv; 58600863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo struct mwl8k_device_info *di; 58613cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int rc; 58623cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58633cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (!printed_version) { 58643cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_INFO "%s version %s\n", MWL8K_DESC, MWL8K_VERSION); 58653cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printed_version = 1; 58663cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 58673cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58683cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58693cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = pci_enable_device(pdev); 58703cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) { 58713cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_ERR "%s: Cannot enable new PCI device\n", 58723cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo MWL8K_NAME); 58733cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 58743cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 58753cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58763cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = pci_request_regions(pdev, MWL8K_NAME); 58773cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) { 58783cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_ERR "%s: Cannot obtain PCI resources\n", 58793cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo MWL8K_NAME); 58803cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_disable_device; 58813cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 58823cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58833cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo pci_set_master(pdev); 58843cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58853cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58863cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw = ieee80211_alloc_hw(sizeof(*priv), &mwl8k_ops); 58873cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (hw == NULL) { 58883cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_ERR "%s: ieee80211 alloc failed\n", MWL8K_NAME); 58893cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = -ENOMEM; 58903cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_free_reg; 58913cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 58923cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58933cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo SET_IEEE80211_DEV(hw, &pdev->dev); 58943cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo pci_set_drvdata(pdev, hw); 58953cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 58963cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv = hw->priv; 58973cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->hw = hw; 58983cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->pdev = pdev; 58993cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->device_info = &mwl8k_info_tbl[id->driver_data]; 59003cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 59013cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 59023cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->sram = pci_iomap(pdev, 0, 0x10000); 59033cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->sram == NULL) { 59043cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo wiphy_err(hw->wiphy, "Cannot map device SRAM\n"); 5905a2ca8ecb8ffc985e82c9570c3837408f7efe8c9dAlexey Khoroshilov rc = -EIO; 59063cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_iounmap; 59073cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 59083cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 59093cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* 59103cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * If BAR0 is a 32 bit BAR, the register BAR will be BAR1. 59113cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * If BAR0 is a 64 bit BAR, the register BAR will be BAR2. 59123cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo */ 59133cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->regs = pci_iomap(pdev, 1, 0x10000); 59143cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->regs == NULL) { 59153cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->regs = pci_iomap(pdev, 2, 0x10000); 59163cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->regs == NULL) { 59173cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo wiphy_err(hw->wiphy, "Cannot map device registers\n"); 5918a2ca8ecb8ffc985e82c9570c3837408f7efe8c9dAlexey Khoroshilov rc = -EIO; 59193cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_iounmap; 59203cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 59213cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 59223cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 59230863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo /* 592499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * Choose the initial fw image depending on user input. If a second 592599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * image is available, make it the alternative image that will be 592699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * loaded if the first one fails. 59270863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo */ 592899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo init_completion(&priv->firmware_loading_complete); 59290863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo di = priv->device_info; 593099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (ap_mode_default && di->fw_image_ap) { 593199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref = di->fw_image_ap; 593299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_alt = di->fw_image_sta; 593399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else if (!ap_mode_default && di->fw_image_sta) { 593499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref = di->fw_image_sta; 593599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_alt = di->fw_image_ap; 593699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else if (ap_mode_default && !di->fw_image_ap && di->fw_image_sta) { 59370863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo printk(KERN_WARNING "AP fw is unavailable. Using STA fw."); 593899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref = di->fw_image_sta; 59390863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo } else if (!ap_mode_default && !di->fw_image_sta && di->fw_image_ap) { 59400863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo printk(KERN_WARNING "STA fw is unavailable. Using AP fw."); 594199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref = di->fw_image_ap; 594299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 594399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_init_firmware(hw, priv->fw_pref, true); 59443cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 59453cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_stop_firmware; 59466b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 59476b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hw_restart_in_progress = false; 59486b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 594999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return rc; 59503cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5951be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhekerr_stop_firmware: 5952be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek mwl8k_hw_reset(priv); 5953be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5954be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhekerr_iounmap: 5955a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->regs != NULL) 5956a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_iounmap(pdev, priv->regs); 5957a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 59585b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek if (priv->sram != NULL) 59595b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek pci_iounmap(pdev, priv->sram); 59605b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek 5961a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, NULL); 5962a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_free_hw(hw); 5963a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5964a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_reg: 5965a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_release_regions(pdev); 59663db95e50c8813d8ed04a1ec7cd7b77dba7c81c80Lennert Buytenhek 59673db95e50c8813d8ed04a1ec7cd7b77dba7c81c80Lennert Buytenhekerr_disable_device: 5968a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_disable_device(pdev); 5969a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5970a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 5971a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5972a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 59738dee5eef2ab313e519e6ce3c3bf9a16cfc6f5907Bill Pembertonstatic void mwl8k_remove(struct pci_dev *pdev) 5974a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 5975a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = pci_get_drvdata(pdev); 5976a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 5977a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 5978a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5979a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hw == NULL) 5980a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 5981a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv = hw->priv; 5982a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 598399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo wait_for_completion(&priv->firmware_loading_complete); 598499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 598599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (priv->fw_state == FW_STATE_ERROR) { 598699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo mwl8k_hw_reset(priv); 598799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto unmap; 598899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 598999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 5990a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queues(hw); 5991a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 599260aa569f9212a13382c29cc734f275dec0f55e0bLennert Buytenhek ieee80211_unregister_hw(hw); 599360aa569f9212a13382c29cc734f275dec0f55e0bLennert Buytenhek 599467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek /* Remove TX reclaim and RX tasklets. */ 59951e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_kill(&priv->poll_tx_task); 599667e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_kill(&priv->poll_rx_task); 5997a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5998a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop hardware */ 5999a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_hw_reset(priv); 6000a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 6001a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Return all skbs to mac80211 */ 6002e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 6003efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek mwl8k_txq_reclaim(hw, i, INT_MAX, 1); 6004a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 6005e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 6006a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_deinit(hw, i); 6007a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 6008a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_rxq_deinit(hw, 0); 6009a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 6010c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek pci_free_consistent(priv->pdev, 4, priv->cookie, priv->cookie_dma); 6011a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 601299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolounmap: 6013a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_iounmap(pdev, priv->regs); 60145b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek pci_iounmap(pdev, priv->sram); 6015a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, NULL); 6016a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_free_hw(hw); 6017a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_release_regions(pdev); 6018a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_disable_device(pdev); 6019a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 6020a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 6021a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic struct pci_driver mwl8k_driver = { 6022a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .name = MWL8K_NAME, 602345a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek .id_table = mwl8k_pci_id_table, 6024a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .probe = mwl8k_probe, 60258dee5eef2ab313e519e6ce3c3bf9a16cfc6f5907Bill Pemberton .remove = mwl8k_remove, 6026a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 6027a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 60285b0a3b7eb37730c369cc47783549dcf6f54a1cd0Axel Linmodule_pci_driver(mwl8k_driver); 6029c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek 6030c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_DESCRIPTION(MWL8K_DESC); 6031c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_VERSION(MWL8K_VERSION); 6032c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_AUTHOR("Lennert Buytenhek <buytenh@marvell.com>"); 6033c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_LICENSE("GPL"); 6034