mwl8k.c revision eb93992207dadb946a3b5cf4544957dc924a6f58
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 31a5fb297d634ba20bd53a7d6fecd611bbfd342e78Lennert Buytenhek#define MWL8K_VERSION "0.12" 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 10454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhekstruct rxd_ops { 10554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek int rxd_size; 10654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void (*rxd_init)(void *rxd, dma_addr_t next_dma_addr); 10754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void (*rxd_refill)(void *rxd, dma_addr_t addr, int len); 10820f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek int (*rxd_process)(void *rxd, struct ieee80211_rx_status *status, 1090d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville __le16 *qos, s8 *noise); 11054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek}; 11154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 11245a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhekstruct mwl8k_device_info { 113a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek char *part_name; 114a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek char *helper_image; 1150863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo char *fw_image_sta; 1160863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo char *fw_image_ap; 11789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct rxd_ops *ap_rxd_ops; 118952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo u32 fw_api_ap; 11945a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek}; 12045a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 121a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_rx_queue { 12245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int rxd_count; 123a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 124a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* hw receives here */ 12545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int head; 126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 127a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* refill descs here */ 12845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int tail; 129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 13054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 13145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek dma_addr_t rxd_dma; 132788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek struct { 133788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek struct sk_buff *skb; 13453b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori DEFINE_DMA_UNMAP_ADDR(dma); 135788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek } *buf; 136a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 137a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 138a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_tx_queue { 139a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* hw transmits here */ 14045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int head; 141a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 142a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* sw appends here */ 14345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int tail; 144a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1458ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo unsigned int len; 14645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek struct mwl8k_tx_desc *txd; 14745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek dma_addr_t txd_dma; 14845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek struct sk_buff **skb; 149a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 150a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 151ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnoloenum { 152ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo AMPDU_NO_STREAM, 153ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo AMPDU_STREAM_NEW, 154ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo AMPDU_STREAM_IN_PROGRESS, 155ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo AMPDU_STREAM_ACTIVE, 156ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo}; 157ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1585faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstruct mwl8k_ampdu_stream { 1595faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct ieee80211_sta *sta; 1605faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 tid; 1615faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 state; 1625faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 idx; 1635faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 txq_idx; /* index of this stream in priv->txq */ 1645faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam}; 1655faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_priv { 167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw; 168a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct pci_dev *pdev; 169bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo int irq; 170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 17145a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek struct mwl8k_device_info *device_info; 17245a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 173be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek void __iomem *sram; 174be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek void __iomem *regs; 175be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 176be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* firmware */ 177d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo const struct firmware *fw_helper; 178d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo const struct firmware *fw_ucode; 179a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 180be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* hardware/firmware parameters */ 181be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek bool ap_fw; 182be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek struct rxd_ops *rxd_ops; 183777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek struct ieee80211_supported_band band_24; 184777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek struct ieee80211_channel channels_24[14]; 185777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek struct ieee80211_rate rates_24[14]; 1864eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek struct ieee80211_supported_band band_50; 1874eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek struct ieee80211_channel channels_50[4]; 1884eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek struct ieee80211_rate rates_50[9]; 189ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek u32 ap_macids_supported; 190ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek u32 sta_macids_supported; 191be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 1928a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo /* Ampdu stream information */ 1938a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo u8 num_ampdu_queues; 194ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo spinlock_t stream_lock; 195ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo struct mwl8k_ampdu_stream ampdu[MWL8K_MAX_AMPDU_QUEUES]; 1963aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam struct work_struct watchdog_ba_handle; 1978a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo 198618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek /* firmware access */ 199618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mutex fw_mutex; 200618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct task_struct *fw_mutex_owner; 201618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek int fw_mutex_depth; 202618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct completion *hostcmd_wait; 203618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 204a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* lock held over TX and TX reap */ 205a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spinlock_t tx_lock; 206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 20788de754ad59025eba797e7a8375807755577f450Lennert Buytenhek /* TX quiesce completion, protected by fw_mutex and tx_lock */ 20888de754ad59025eba797e7a8375807755577f450Lennert Buytenhek struct completion *tx_wait; 20988de754ad59025eba797e7a8375807755577f450Lennert Buytenhek 210f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek /* List of interfaces. */ 211ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek u32 macids_used; 212f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct list_head vif_list; 213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 214a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* power management status cookie from firmware */ 215a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 *cookie; 216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t cookie_dma; 217a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 218a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 num_mcaddrs; 219a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 hw_rev; 2202aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek u32 fw_rev; 221a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 222a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 223a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Running count of TX packets in flight, to avoid 224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * iterating over the transmit rings each time. 225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int pending_tx_pkts; 227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue rxq[MWL8K_RX_QUEUES]; 229e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo struct mwl8k_tx_queue txq[MWL8K_MAX_TX_QUEUES]; 230e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo u32 txq_offset[MWL8K_MAX_TX_QUEUES]; 231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 232c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek bool radio_on; 23368ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek bool radio_short_preamble; 234a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek bool sniffer_enabled; 2350439b1f55646ea944b0d58337f5065b79a1c1be0Lennert Buytenhek bool wmm_enabled; 236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* XXX need to convert this to handle multiple interfaces */ 238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek bool capture_beacon; 239d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek u8 capture_bssid[ETH_ALEN]; 240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *beacon_skb; 241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This FJ worker has to be global as it is scheduled from the 244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * RX handler. At this point we don't know which interface it 245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * belongs to until the list of bssids waiting to complete join 246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * is checked. 247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct work_struct finalize_join_worker; 249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2501e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek /* Tasklet to perform TX reclaim. */ 2511e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek struct tasklet_struct poll_tx_task; 25267e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 25367e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek /* Tasklet to perform RX. */ 25467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek struct tasklet_struct poll_rx_task; 2550d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 2560d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville /* Most recently reported noise in dBm */ 2570d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville s8 noise; 2580863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo 2590863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo /* 2600863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo * preserve the queue configurations so they can be restored if/when 2610863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo * the firmware image is swapped. 2620863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo */ 263e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo struct ieee80211_tx_queue_params wmm_params[MWL8K_TX_WMM_QUEUES]; 26499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 26599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo /* async firmware loading state */ 26699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo unsigned fw_state; 26799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo char *fw_pref; 26899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo char *fw_alt; 26999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo struct completion firmware_loading_complete; 270a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 272e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam#define MAX_WEP_KEY_LEN 13 273e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam#define NUM_WEP_KEYS 4 274e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 275a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Per interface specific private data */ 276a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_vif { 277f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct list_head list; 278f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct ieee80211_vif *vif; 279f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek 280f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek /* Firmware macid for this vif. */ 281f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek int macid; 282f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek 283c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek /* Non AMPDU sequence number assigned by driver. */ 284a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek u16 seqno; 285e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 286e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam /* Saved WEP keys */ 287e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam struct { 288e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam u8 enabled; 289e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam u8 key[sizeof(struct ieee80211_key_conf) + MAX_WEP_KEY_LEN]; 290e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam } wep_key_conf[NUM_WEP_KEYS]; 291d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 292d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam /* BSSID */ 293d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam u8 bssid[ETH_ALEN]; 294d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 295d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam /* A flag to indicate is HW crypto is enabled for this bssid */ 296d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam bool is_hw_crypto_enabled; 297a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 298a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek#define MWL8K_VIF(_vif) ((struct mwl8k_vif *)&((_vif)->drv_priv)) 299fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define IEEE80211_KEY_CONF(_u8) ((struct ieee80211_key_conf *)(_u8)) 300a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 301d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolostruct tx_traffic_info { 302d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo u32 start_time; 303d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo u32 pkts; 304d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo}; 305d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 306d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo#define MWL8K_MAX_TID 8 307a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhekstruct mwl8k_sta { 308a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek /* Index into station database. Returned by UPDATE_STADB. */ 309a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek u8 peer_id; 310170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam u8 is_ampdu_allowed; 311d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct tx_traffic_info tx_stats[MWL8K_MAX_TID]; 312a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek}; 313a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_STA(_sta) ((struct mwl8k_sta *)&((_sta)->drv_priv)) 314a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 315777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhekstatic const struct ieee80211_channel mwl8k_channels_24[] = { 316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2412, .hw_value = 1, }, 317a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2417, .hw_value = 2, }, 318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2422, .hw_value = 3, }, 319a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2427, .hw_value = 4, }, 320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2432, .hw_value = 5, }, 321a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2437, .hw_value = 6, }, 322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2442, .hw_value = 7, }, 323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2447, .hw_value = 8, }, 324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2452, .hw_value = 9, }, 325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2457, .hw_value = 10, }, 326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2462, .hw_value = 11, }, 327647ca6b01a5289948e970ea7c1f656f9d90b0a27Lennert Buytenhek { .center_freq = 2467, .hw_value = 12, }, 328647ca6b01a5289948e970ea7c1f656f9d90b0a27Lennert Buytenhek { .center_freq = 2472, .hw_value = 13, }, 329647ca6b01a5289948e970ea7c1f656f9d90b0a27Lennert Buytenhek { .center_freq = 2484, .hw_value = 14, }, 330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 331a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 332777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhekstatic const struct ieee80211_rate mwl8k_rates_24[] = { 333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 10, .hw_value = 2, }, 334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 20, .hw_value = 4, }, 335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 55, .hw_value = 11, }, 3365dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek { .bitrate = 110, .hw_value = 22, }, 3375dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek { .bitrate = 220, .hw_value = 44, }, 338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 60, .hw_value = 12, }, 339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 90, .hw_value = 18, }, 340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 120, .hw_value = 24, }, 341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 180, .hw_value = 36, }, 342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 240, .hw_value = 48, }, 343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 360, .hw_value = 72, }, 344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 480, .hw_value = 96, }, 345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 540, .hw_value = 108, }, 346140eb5e2c1978622d7cd979d59a1c0586fe3bbdbLennert Buytenhek { .bitrate = 720, .hw_value = 144, }, 347140eb5e2c1978622d7cd979d59a1c0586fe3bbdbLennert Buytenhek}; 348140eb5e2c1978622d7cd979d59a1c0586fe3bbdbLennert Buytenhek 3494eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhekstatic const struct ieee80211_channel mwl8k_channels_50[] = { 3504eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .center_freq = 5180, .hw_value = 36, }, 3514eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .center_freq = 5200, .hw_value = 40, }, 3524eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .center_freq = 5220, .hw_value = 44, }, 3534eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .center_freq = 5240, .hw_value = 48, }, 3544eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek}; 3554eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 3564eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhekstatic const struct ieee80211_rate mwl8k_rates_50[] = { 3574eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 60, .hw_value = 12, }, 3584eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 90, .hw_value = 18, }, 3594eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 120, .hw_value = 24, }, 3604eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 180, .hw_value = 36, }, 3614eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 240, .hw_value = 48, }, 3624eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 360, .hw_value = 72, }, 3634eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 480, .hw_value = 96, }, 3644eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 540, .hw_value = 108, }, 3654eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 720, .hw_value = 144, }, 3664eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek}; 3674eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 368a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Set or get info from Firmware */ 369a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET 0x0000 37041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_CMD_SET 0x0001 37141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_CMD_SET_LIST 0x0002 372a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 373a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Firmware command codes */ 374a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_CODE_DNLD 0x0001 375a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET_HW_SPEC 0x0003 37642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek#define MWL8K_CMD_SET_HW_SPEC 0x0004 377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_MAC_MULTICAST_ADR 0x0010 378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET_STAT 0x0014 379ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RADIO_CONTROL 0x001c 380ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RF_TX_POWER 0x001e 38141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_CMD_TX_POWER 0x001f 38208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek#define MWL8K_CMD_RF_ANTENNA 0x0020 383aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek#define MWL8K_CMD_SET_BEACON 0x0100 /* per-vif */ 384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_PRE_SCAN 0x0107 385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_POST_SCAN 0x0108 386ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_RF_CHANNEL 0x010a 387ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_AID 0x010d 388ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_RATE 0x0110 389ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_FINALIZE_JOIN 0x0111 390ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RTS_THRESHOLD 0x0113 391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_SLOT 0x0114 392ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_EDCA_PARAMS 0x0115 393ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_WMM_MODE 0x0123 394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_MIMO_CONFIG 0x0125 395ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_USE_FIXED_RATE 0x0126 396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_ENABLE_SNIFFER 0x0150 397aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek#define MWL8K_CMD_SET_MAC_ADDR 0x0202 /* per-vif */ 398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_RATEADAPT_MODE 0x0203 3993aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam#define MWL8K_CMD_GET_WATCHDOG_BITMAP 0x0205 400aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek#define MWL8K_CMD_BSS_START 0x1100 /* per-vif */ 401aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek#define MWL8K_CMD_SET_NEW_STN 0x1111 /* per-vif */ 402fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_CMD_UPDATE_ENCRYPTION 0x1122 /* per-vif */ 403ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_UPDATE_STADB 0x1123 4045faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam#define MWL8K_CMD_BASTREAM 0x1125 405a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 406b603742f49c3ec922522602e18ac22e8f6835132John W. Linvillestatic const char *mwl8k_cmd_name(__le16 cmd, char *buf, int bufsize) 407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 408b603742f49c3ec922522602e18ac22e8f6835132John W. Linville u16 command = le16_to_cpu(cmd); 409b603742f49c3ec922522602e18ac22e8f6835132John W. Linville 410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMDNAME(x) case MWL8K_CMD_##x: do {\ 411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(buf, bufsize, "%s", #x);\ 412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return buf;\ 413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (0) 414b603742f49c3ec922522602e18ac22e8f6835132John W. Linville switch (command & ~0x8000) { 415a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(CODE_DNLD); 416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(GET_HW_SPEC); 41742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek MWL8K_CMDNAME(SET_HW_SPEC); 418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(MAC_MULTICAST_ADR); 419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(GET_STAT); 420a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(RADIO_CONTROL); 421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(RF_TX_POWER); 42241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam MWL8K_CMDNAME(TX_POWER); 42308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek MWL8K_CMDNAME(RF_ANTENNA); 424b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek MWL8K_CMDNAME(SET_BEACON); 425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_PRE_SCAN); 426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_POST_SCAN); 427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_RF_CHANNEL); 428ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_AID); 429ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_RATE); 430ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_FINALIZE_JOIN); 431ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(RTS_THRESHOLD); 432a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_SLOT); 433ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_EDCA_PARAMS); 434ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_WMM_MODE); 435a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(MIMO_CONFIG); 436ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(USE_FIXED_RATE); 437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(ENABLE_SNIFFER); 43832060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek MWL8K_CMDNAME(SET_MAC_ADDR); 439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_RATEADAPT_MODE); 440b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek MWL8K_CMDNAME(BSS_START); 4413f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek MWL8K_CMDNAME(SET_NEW_STN); 442fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_CMDNAME(UPDATE_ENCRYPTION); 443ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(UPDATE_STADB); 4445faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_CMDNAME(BASTREAM); 4453aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam MWL8K_CMDNAME(GET_WATCHDOG_BITMAP); 446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek default: 447a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(buf, bufsize, "0x%x", cmd); 448a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#undef MWL8K_CMDNAME 450a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return buf; 452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 453a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 454a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Hardware and firmware reset */ 455a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_hw_reset(struct mwl8k_priv *priv) 456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 457a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_RESET, 458a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 459a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_RESET, 460a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 461a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msleep(20); 462a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 463a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Release fw image */ 465d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolostatic void mwl8k_release_fw(const struct firmware **fw) 466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (*fw == NULL) 468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek release_firmware(*fw); 470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek *fw = NULL; 471a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 472a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_release_firmware(struct mwl8k_priv *priv) 474a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 47522be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek mwl8k_release_fw(&priv->fw_ucode); 47622be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek mwl8k_release_fw(&priv->fw_helper); 477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 47999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo/* states for asynchronous f/w loading */ 48099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic void mwl8k_fw_state_machine(const struct firmware *fw, void *context); 48199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnoloenum { 48299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo FW_STATE_INIT = 0, 48399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo FW_STATE_LOADING_PREF, 48499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo FW_STATE_LOADING_ALT, 48599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo FW_STATE_ERROR, 48699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo}; 48799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 488a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Request fw image */ 489a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_request_fw(struct mwl8k_priv *priv, 490d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo const char *fname, const struct firmware **fw, 49199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo bool nowait) 492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* release current image */ 494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (*fw != NULL) 495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_fw(fw); 496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 49799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (nowait) 49899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return request_firmware_nowait(THIS_MODULE, 1, fname, 49999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->pdev->dev, GFP_KERNEL, 50099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv, mwl8k_fw_state_machine); 50199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 502d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo return request_firmware(fw, fname, &priv->pdev->dev); 503a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 50599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic int mwl8k_request_firmware(struct mwl8k_priv *priv, char *fw_image, 50699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo bool nowait) 507a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 508a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek struct mwl8k_device_info *di = priv->device_info; 509a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 511a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek if (di->helper_image != NULL) { 51299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (nowait) 51399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, di->helper_image, 51499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->fw_helper, true); 51599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 51699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, di->helper_image, 51799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->fw_helper, false); 51899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 51999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting helper fw %s\n", 52099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo pci_name(priv->pdev), di->helper_image); 52199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 52299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc || nowait) 523a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek return rc; 524a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 525a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 52699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (nowait) { 52799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo /* 52899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * if we get here, no helper image is needed. Skip the 52999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * FW_STATE_INIT state. 53099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo */ 53199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_LOADING_PREF; 53299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, fw_image, 53399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->fw_ucode, 53499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo true); 53599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else 53699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, fw_image, 53799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->fw_ucode, false); 538a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 539c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Error requesting firmware file %s\n", 5400863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo pci_name(priv->pdev), fw_image); 54122be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek mwl8k_release_fw(&priv->fw_helper); 542a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 543a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 544a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 545a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 546a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 547a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 548a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_pkt { 549a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 code; 550a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 length; 551f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek __u8 seq_num; 552f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek __u8 macid; 553a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 result; 554a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek char payload[0]; 555ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 556a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 557a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 558a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Firmware loading. 559a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 560a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 561a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_send_fw_load_cmd(struct mwl8k_priv *priv, void *data, int length) 562a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 563a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs = priv->regs; 564a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma_addr; 565a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int loops; 566a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 567a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr = pci_map_single(priv->pdev, data, length, PCI_DMA_TODEVICE); 568a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma_addr)) 569a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR); 572a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, regs + MWL8K_HIU_INT_CODE); 573a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DOORBELL, 574a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 575a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 576a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 578a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek loops = 1000; 579a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 580a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 int_code; 581a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 582a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int_code = ioread32(regs + MWL8K_HIU_INT_CODE); 583a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (int_code == MWL8K_INT_CODE_CMD_FINISHED) { 584a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, regs + MWL8K_HIU_INT_CODE); 585a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 587a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5883d76e82c9538d8104e578ca460d35f214bfddfd3Lennert Buytenhek cond_resched(); 589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (--loops); 591a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 592a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, length, PCI_DMA_TODEVICE); 593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 594d4b7057052236e81ab0788cc8df306dc02b0e7beLennert Buytenhek return loops ? 0 : -ETIMEDOUT; 595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 597a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_load_fw_image(struct mwl8k_priv *priv, 598a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *data, size_t length) 599a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt *cmd; 601a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int done; 602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc = 0; 603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kmalloc(sizeof(*cmd) + 256, GFP_KERNEL); 605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 607a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->code = cpu_to_le16(MWL8K_CMD_CODE_DNLD); 609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->seq_num = 0; 610f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek cmd->macid = 0; 611a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->result = 0; 612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 613a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done = 0; 614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (length) { 615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int block_size = length > 256 ? 256 : length; 616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(cmd->payload, data + done, block_size); 618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->length = cpu_to_le16(block_size); 619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, cmd, 621a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(*cmd) + block_size); 622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 623a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 624a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done += block_size; 626a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek length -= block_size; 627a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 628a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 629a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 630a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->length = 0; 631a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, cmd, sizeof(*cmd)); 632a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 633a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 635a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 637a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 638a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 639a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_feed_fw_image(struct mwl8k_priv *priv, 640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *data, size_t length) 641a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 642a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned char *buffer; 643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int may_continue, rc = 0; 644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 done, prev_block_size; 645a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek buffer = kmalloc(1024, GFP_KERNEL); 647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (buffer == NULL) 648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done = 0; 651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prev_block_size = 0; 652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue = 1000; 653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (may_continue > 0) { 654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 block_size; 655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek block_size = ioread32(priv->regs + MWL8K_HIU_SCRATCH); 657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size & 1) { 658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek block_size &= ~1; 659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue--; 660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done += prev_block_size; 662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek length -= prev_block_size; 663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size > 1024 || block_size > length) { 666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EOVERFLOW; 667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 668a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (length == 0) { 671a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = 0; 672a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 673a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 674a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 675a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size == 0) { 676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EPROTO; 677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue--; 678a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 679a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek continue; 680a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 681a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prev_block_size = block_size; 683a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(buffer, data + done, block_size); 684a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 685a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, buffer, block_size); 686a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 687a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 689a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc && length != 0) 691a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EREMOTEIO; 692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 693a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(buffer); 694a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 695a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 696a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 697a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 698c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhekstatic int mwl8k_load_firmware(struct ieee80211_hw *hw) 699a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 700c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 701d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo const struct firmware *fw = priv->fw_ucode; 702c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek int rc; 703c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek int loops; 704c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek 705c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek if (!memcmp(fw->data, "\x01\x00\x00\x00", 4)) { 706d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo const struct firmware *helper = priv->fw_helper; 707a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 708c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek if (helper == NULL) { 709c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: helper image needed but none " 710c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "given\n", pci_name(priv->pdev)); 711c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek return -EINVAL; 712c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek } 713a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 714c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_load_fw_image(priv, helper->data, helper->size); 715a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 716a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: unable to load firmware " 717c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "helper image\n", pci_name(priv->pdev)); 718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 719a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 720ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar msleep(20); 721a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 722c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_feed_fw_image(priv, fw->data, fw->size); 723a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 724c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_load_fw_image(priv, fw->data, fw->size); 725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 726a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 727a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 728c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: unable to load firmware image\n", 729c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek pci_name(priv->pdev)); 730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 731a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 73389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek iowrite32(MWL8K_MODE_STA, priv->regs + MWL8K_HIU_GEN_PTR); 734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 73589b872e2e476833cde8aaac658c75817f67e8f81Lennert Buytenhek loops = 500000; 736a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 737eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek u32 ready_code; 738eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek 739eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek ready_code = ioread32(priv->regs + MWL8K_HIU_INT_CODE); 740eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek if (ready_code == MWL8K_FWAP_READY) { 7413db1cd5c05f35fb43eb134df6f321de4e63141f2Rusty Russell priv->ap_fw = true; 742eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek break; 743eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek } else if (ready_code == MWL8K_FWSTA_READY) { 7443db1cd5c05f35fb43eb134df6f321de4e63141f2Rusty Russell priv->ap_fw = false; 745a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 746eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek } 747eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek 748eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek cond_resched(); 749a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 750a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (--loops); 751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 752a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return loops ? 0 : -ETIMEDOUT; 753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 754a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 755a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 756a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* DMA header used by firmware and hardware. */ 757a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_dma_data { 758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 fwlen; 759a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr wh; 76020f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek char data[0]; 761ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 762a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 763a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Routines to add/remove DMA header from skb. */ 76420f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhekstatic inline void mwl8k_remove_dma_header(struct sk_buff *skb, __le16 qos) 765a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 76620f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek struct mwl8k_dma_data *tr; 76720f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek int hdrlen; 76820f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 76920f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek tr = (struct mwl8k_dma_data *)skb->data; 77020f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek hdrlen = ieee80211_hdrlen(tr->wh.frame_control); 77120f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 77220f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek if (hdrlen != sizeof(tr->wh)) { 77320f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek if (ieee80211_is_data_qos(tr->wh.frame_control)) { 77420f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek memmove(tr->data - hdrlen, &tr->wh, hdrlen - 2); 77520f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek *((__le16 *)(tr->data - 2)) = qos; 77620f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek } else { 77720f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek memmove(tr->data - hdrlen, &tr->wh, hdrlen); 77820f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek } 779a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 78020f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 78120f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek if (hdrlen != sizeof(*tr)) 78220f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek skb_pull(skb, sizeof(*tr) - hdrlen); 783a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 784a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 785ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar#define REDUCED_TX_HEADROOM 8 786ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 787252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadamstatic void 788e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powarmwl8k_add_dma_header(struct mwl8k_priv *priv, struct sk_buff *skb, 789e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar int head_pad, int tail_pad) 790a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 791a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 792ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek int hdrlen; 793252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam int reqd_hdrlen; 794a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_dma_data *tr; 795a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 796ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek /* 797ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * Add a firmware DMA header; the firmware requires that we 798ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * present a 2-byte payload length followed by a 4-address 799ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * header (without QoS field), followed (optionally) by any 800ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * WEP/ExtIV header (but only filled in for CCMP). 801ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek */ 802a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 803ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek 804a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hdrlen = ieee80211_hdrlen(wh->frame_control); 805ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 806ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar /* 807ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar * Check if skb_resize is required because of 808ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar * tx_headroom adjustment. 809ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar */ 810ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar if (priv->ap_fw && (hdrlen < (sizeof(struct ieee80211_cts) 811ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar + REDUCED_TX_HEADROOM))) { 812ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar if (pskb_expand_head(skb, REDUCED_TX_HEADROOM, 0, GFP_ATOMIC)) { 813ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 814ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar wiphy_err(priv->hw->wiphy, 815ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar "Failed to reallocate TX buffer\n"); 816ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar return; 817ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar } 818ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar skb->truesize += REDUCED_TX_HEADROOM; 819ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar } 820ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 821e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar reqd_hdrlen = sizeof(*tr) + head_pad; 822252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam 823252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam if (hdrlen != reqd_hdrlen) 824252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam skb_push(skb, reqd_hdrlen - hdrlen); 825a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 826ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek if (ieee80211_is_data_qos(wh->frame_control)) 827252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam hdrlen -= IEEE80211_QOS_CTL_LEN; 828a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 829a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tr = (struct mwl8k_dma_data *)skb->data; 830a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (wh != &tr->wh) 831a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memmove(&tr->wh, wh, hdrlen); 832ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek if (hdrlen != sizeof(tr->wh)) 833ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek memset(((void *)&tr->wh) + hdrlen, 0, sizeof(tr->wh) - hdrlen); 834a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 835a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 836a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Firmware length is the length of the fully formed "802.11 837a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * payload". That is, everything except for the 802.11 header. 838a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This includes all crypto material including the MIC. 839a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 840252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam tr->fwlen = cpu_to_le16(skb->len - sizeof(*tr) + tail_pad); 841a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 842a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 843ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powarstatic void mwl8k_encapsulate_tx_frame(struct mwl8k_priv *priv, 844ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar struct sk_buff *skb) 845e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam{ 846e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam struct ieee80211_hdr *wh; 847e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam struct ieee80211_tx_info *tx_info; 848e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam struct ieee80211_key_conf *key_conf; 849e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam int data_pad; 850e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar int head_pad = 0; 851e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 852e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam wh = (struct ieee80211_hdr *)skb->data; 853e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 854e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam tx_info = IEEE80211_SKB_CB(skb); 855e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 856e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam key_conf = NULL; 857e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam if (ieee80211_is_data(wh->frame_control)) 858e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam key_conf = tx_info->control.hw_key; 859e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 860e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam /* 861e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * Make sure the packet header is in the DMA header format (4-address 862e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar * without QoS), and add head & tail padding when HW crypto is enabled. 863e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * 864e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * We have the following trailer padding requirements: 865e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * - WEP: 4 trailer bytes (ICV) 866e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * - TKIP: 12 trailer bytes (8 MIC + 4 ICV) 867e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * - CCMP: 8 trailer bytes (MIC) 868e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam */ 869e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam data_pad = 0; 870e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam if (key_conf != NULL) { 871e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar head_pad = key_conf->iv_len; 872e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam switch (key_conf->cipher) { 873e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam case WLAN_CIPHER_SUITE_WEP40: 874e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam case WLAN_CIPHER_SUITE_WEP104: 875e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam data_pad = 4; 876e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam break; 877e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam case WLAN_CIPHER_SUITE_TKIP: 878e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam data_pad = 12; 879e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam break; 880e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam case WLAN_CIPHER_SUITE_CCMP: 881e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam data_pad = 8; 882e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam break; 883e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam } 884e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam } 885e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar mwl8k_add_dma_header(priv, skb, head_pad, data_pad); 886e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam} 887a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 888a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 88989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek * Packet reception for 88w8366 AP firmware. 8906f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek */ 89189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstruct mwl8k_rxd_8366_ap { 8926f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le16 pkt_len; 8936f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 sq2; 8946f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rate; 8956f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 pkt_phys_addr; 8966f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 next_rxd_phys_addr; 8976f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le16 qos_control; 8986f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le16 htsig2; 8996f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 hw_rssi_info; 9006f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 hw_noise_floor_info; 9016f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 noise_floor; 9026f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 pad0[3]; 9036f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rssi; 9046f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rx_status; 9056f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 channel; 9066f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rx_ctrl; 907ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 9086f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 90989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RATE_INFO_MCS_FORMAT 0x80 91089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RATE_INFO_40MHZ 0x40 91189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RATE_INFO_RATEID(x) ((x) & 0x3f) 9128e9f33f0ced82a797d285b233e1c956cbd5c7de3Lennert Buytenhek 91389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RX_CTRL_OWNED_BY_HOST 0x80 9146f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 915d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam/* 8366 AP rx_status bits */ 916d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_8366_AP_RXSTAT_DECRYPT_ERR_MASK 0x80 917d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_8366_AP_RXSTAT_GENERAL_DECRYPT_ERR 0xFF 918d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_8366_AP_RXSTAT_TKIP_DECRYPT_MIC_ERR 0x02 919d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_8366_AP_RXSTAT_WEP_DECRYPT_ICV_ERR 0x04 920d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_8366_AP_RXSTAT_TKIP_DECRYPT_ICV_ERR 0x08 921d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 92289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_8366_ap_init(void *_rxd, dma_addr_t next_dma_addr) 9236f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek{ 92489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_8366_ap *rxd = _rxd; 9256f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9266f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->next_rxd_phys_addr = cpu_to_le32(next_dma_addr); 92789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek rxd->rx_ctrl = MWL8K_8366_AP_RX_CTRL_OWNED_BY_HOST; 9286f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek} 9296f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 93089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_8366_ap_refill(void *_rxd, dma_addr_t addr, int len) 9316f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek{ 93289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_8366_ap *rxd = _rxd; 9336f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9346f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->pkt_len = cpu_to_le16(len); 9356f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->pkt_phys_addr = cpu_to_le32(addr); 9366f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek wmb(); 9376f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->rx_ctrl = 0; 9386f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek} 9396f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9406f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhekstatic int 94189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekmwl8k_rxd_8366_ap_process(void *_rxd, struct ieee80211_rx_status *status, 9420d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville __le16 *qos, s8 *noise) 9436f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek{ 94489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_8366_ap *rxd = _rxd; 9456f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 94689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (!(rxd->rx_ctrl & MWL8K_8366_AP_RX_CTRL_OWNED_BY_HOST)) 9476f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek return -1; 9486f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rmb(); 9496f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9506f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek memset(status, 0, sizeof(*status)); 9516f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9526f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->signal = -rxd->rssi; 9530d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville *noise = -rxd->noise_floor; 9546f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 95589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rxd->rate & MWL8K_8366_AP_RATE_INFO_MCS_FORMAT) { 9566f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->flag |= RX_FLAG_HT; 95789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rxd->rate & MWL8K_8366_AP_RATE_INFO_40MHZ) 9588e9f33f0ced82a797d285b233e1c956cbd5c7de3Lennert Buytenhek status->flag |= RX_FLAG_40MHZ; 95989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek status->rate_idx = MWL8K_8366_AP_RATE_INFO_RATEID(rxd->rate); 9606f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } else { 9616f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek int i; 9626f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 963777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek for (i = 0; i < ARRAY_SIZE(mwl8k_rates_24); i++) { 964777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek if (mwl8k_rates_24[i].hw_value == rxd->rate) { 9656f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->rate_idx = i; 9666f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek break; 9676f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } 9686f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } 9696f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } 9706f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 971854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek if (rxd->channel > 14) { 972854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->band = IEEE80211_BAND_5GHZ; 973854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek if (!(status->flag & RX_FLAG_HT)) 974854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->rate_idx -= 5; 975854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek } else { 976854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->band = IEEE80211_BAND_2GHZ; 977854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek } 97859eb21a6504731fc16db4cf9463065dd61093e08Bruno Randolf status->freq = ieee80211_channel_to_frequency(rxd->channel, 97959eb21a6504731fc16db4cf9463065dd61093e08Bruno Randolf status->band); 9806f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 98120f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek *qos = rxd->qos_control; 98220f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 983d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if ((rxd->rx_status != MWL8K_8366_AP_RXSTAT_GENERAL_DECRYPT_ERR) && 984d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam (rxd->rx_status & MWL8K_8366_AP_RXSTAT_DECRYPT_ERR_MASK) && 985d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam (rxd->rx_status & MWL8K_8366_AP_RXSTAT_TKIP_DECRYPT_MIC_ERR)) 986d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam status->flag |= RX_FLAG_MMIC_ERROR; 987d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 9886f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek return le16_to_cpu(rxd->pkt_len); 9896f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek} 9906f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 99189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic struct rxd_ops rxd_8366_ap_ops = { 99289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_size = sizeof(struct mwl8k_rxd_8366_ap), 99389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_init = mwl8k_rxd_8366_ap_init, 99489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_refill = mwl8k_rxd_8366_ap_refill, 99589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_process = mwl8k_rxd_8366_ap_process, 9966f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek}; 9976f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9986f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek/* 99989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek * Packet reception for STA firmware. 1000a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 100189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstruct mwl8k_rxd_sta { 1002a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pkt_len; 1003a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 link_quality; 1004a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 noise_level; 1005a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pkt_phys_addr; 100645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 next_rxd_phys_addr; 1007a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 qos_control; 1008a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 rate_info; 1009a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pad0[4]; 1010a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rssi; 1011a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 channel; 1012a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pad1; 1013a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_ctrl; 1014a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_status; 1015a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 pad2[2]; 1016ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 1017a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 101889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_SHORTPRE 0x8000 101989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_ANTSELECT(x) (((x) >> 11) & 0x3) 102089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_RATEID(x) (((x) >> 3) & 0x3f) 102189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_40MHZ 0x0004 102289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_SHORTGI 0x0002 102389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_MCS_FORMAT 0x0001 102454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 102589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RX_CTRL_OWNED_BY_HOST 0x02 1026d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_STA_RX_CTRL_DECRYPT_ERROR 0x04 1027d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam/* ICV=0 or MIC=1 */ 1028d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_STA_RX_CTRL_DEC_ERR_TYPE 0x08 1029d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam/* Key is uploaded only in failure case */ 1030d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_STA_RX_CTRL_KEY_INDEX 0x30 103154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 103289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_sta_init(void *_rxd, dma_addr_t next_dma_addr) 103354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek{ 103489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_sta *rxd = _rxd; 103554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 103654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->next_rxd_phys_addr = cpu_to_le32(next_dma_addr); 103789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek rxd->rx_ctrl = MWL8K_STA_RX_CTRL_OWNED_BY_HOST; 103854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek} 103954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 104089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_sta_refill(void *_rxd, dma_addr_t addr, int len) 104154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek{ 104289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_sta *rxd = _rxd; 104354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 104454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->pkt_len = cpu_to_le16(len); 104554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->pkt_phys_addr = cpu_to_le32(addr); 104654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek wmb(); 104754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->rx_ctrl = 0; 104854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek} 104954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 105054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhekstatic int 105189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekmwl8k_rxd_sta_process(void *_rxd, struct ieee80211_rx_status *status, 10520d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville __le16 *qos, s8 *noise) 105354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek{ 105489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_sta *rxd = _rxd; 105554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek u16 rate_info; 105654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 105789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (!(rxd->rx_ctrl & MWL8K_STA_RX_CTRL_OWNED_BY_HOST)) 105854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek return -1; 105954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rmb(); 106054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 106154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rate_info = le16_to_cpu(rxd->rate_info); 106254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 106354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek memset(status, 0, sizeof(*status)); 106454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 106554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->signal = -rxd->rssi; 10660d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville *noise = -rxd->noise_level; 106789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek status->antenna = MWL8K_STA_RATE_INFO_ANTSELECT(rate_info); 106889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek status->rate_idx = MWL8K_STA_RATE_INFO_RATEID(rate_info); 106954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 107089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_SHORTPRE) 107154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_SHORTPRE; 107289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_40MHZ) 107354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_40MHZ; 107489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_SHORTGI) 107554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_SHORT_GI; 107689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_MCS_FORMAT) 107754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_HT; 107854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 1079854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek if (rxd->channel > 14) { 1080854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->band = IEEE80211_BAND_5GHZ; 1081854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek if (!(status->flag & RX_FLAG_HT)) 1082854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->rate_idx -= 5; 1083854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek } else { 1084854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->band = IEEE80211_BAND_2GHZ; 1085854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek } 108659eb21a6504731fc16db4cf9463065dd61093e08Bruno Randolf status->freq = ieee80211_channel_to_frequency(rxd->channel, 108759eb21a6504731fc16db4cf9463065dd61093e08Bruno Randolf status->band); 108854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 108920f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek *qos = rxd->qos_control; 1090d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if ((rxd->rx_ctrl & MWL8K_STA_RX_CTRL_DECRYPT_ERROR) && 1091d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam (rxd->rx_ctrl & MWL8K_STA_RX_CTRL_DEC_ERR_TYPE)) 1092d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam status->flag |= RX_FLAG_MMIC_ERROR; 109320f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 109454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek return le16_to_cpu(rxd->pkt_len); 109554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek} 109654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 109789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic struct rxd_ops rxd_sta_ops = { 109889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_size = sizeof(struct mwl8k_rxd_sta), 109989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_init = mwl8k_rxd_sta_init, 110089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_refill = mwl8k_rxd_sta_refill, 110189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_process = mwl8k_rxd_sta_process, 110254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek}; 110354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 110454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 1105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_DESCS 256 1106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_MAXSZ 3800 1107a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1108a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_rxq_init(struct ieee80211_hw *hw, int index) 1109a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1110a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1111a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 1112a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int size; 1113a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1114a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 111545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd_count = 0; 111645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->head = 0; 111745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->tail = 0; 1118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 111954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek size = MWL8K_RX_DESCS * priv->rxd_ops->rxd_size; 1120a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 112145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd = pci_alloc_consistent(priv->pdev, size, &rxq->rxd_dma); 112245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (rxq->rxd == NULL) { 11235db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to alloc RX descriptors\n"); 1124a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 112645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek memset(rxq->rxd, 0, size); 1127a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1128b9ede5f1dc03f96949dcaa8f8b3483766c047260Shan Wei rxq->buf = kcalloc(MWL8K_RX_DESCS, sizeof(*rxq->buf), GFP_KERNEL); 1129788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek if (rxq->buf == NULL) { 11305db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to alloc RX skbuff list\n"); 113145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek pci_free_consistent(priv->pdev, size, rxq->rxd, rxq->rxd_dma); 1132a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1134a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1135a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_RX_DESCS; i++) { 113654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek int desc_size; 113754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 1138a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int nexti; 113954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek dma_addr_t next_dma_addr; 114054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 114154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek desc_size = priv->rxd_ops->rxd_size; 114254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd = rxq->rxd + (i * priv->rxd_ops->rxd_size); 1143a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 114454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek nexti = i + 1; 114554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (nexti == MWL8K_RX_DESCS) 114654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek nexti = 0; 114754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek next_dma_addr = rxq->rxd_dma + (nexti * desc_size); 1148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 114954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek priv->rxd_ops->rxd_init(rxd, next_dma_addr); 1150a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1151a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1153a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1155a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int rxq_refill(struct ieee80211_hw *hw, int index, int limit) 1156a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 1159a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int refilled; 1160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek refilled = 0; 116245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek while (rxq->rxd_count < MWL8K_RX_DESCS && limit--) { 1163a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 1164788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek dma_addr_t addr; 1165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rx; 116654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 1167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1168a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb = dev_alloc_skb(MWL8K_RX_MAXSZ); 1169a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (skb == NULL) 1170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 1171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1172788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek addr = pci_map_single(priv->pdev, skb->data, 1173788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, DMA_FROM_DEVICE); 1174a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 117554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->rxd_count++; 117654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rx = rxq->tail++; 117754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (rxq->tail == MWL8K_RX_DESCS) 117854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->tail = 0; 1179788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[rx].skb = skb; 118053b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr_set(&rxq->buf[rx], dma, addr); 118154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 118254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd = rxq->rxd + (rx * priv->rxd_ops->rxd_size); 118354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek priv->rxd_ops->rxd_refill(rxd, addr, MWL8K_RX_MAXSZ); 1184a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek refilled++; 1186a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1188a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return refilled; 1189a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1190a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1191a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Must be called only when the card's reception is completely halted */ 1192a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_rxq_deinit(struct ieee80211_hw *hw, int index) 1193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 1196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 119873b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (rxq->rxd == NULL) 119973b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo return; 120073b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo 1201a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_RX_DESCS; i++) { 1202788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek if (rxq->buf[i].skb != NULL) { 1203788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_single(priv->pdev, 120453b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr(&rxq->buf[i], dma), 1205788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE); 120653b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr_set(&rxq->buf[i], dma, 0); 1207788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek 1208788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek kfree_skb(rxq->buf[i].skb); 1209788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[i].skb = NULL; 1210a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1211a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1212a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1213788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek kfree(rxq->buf); 1214788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf = NULL; 1215a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 121754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek MWL8K_RX_DESCS * priv->rxd_ops->rxd_size, 121845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd, rxq->rxd_dma); 121945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd = NULL; 1220a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1221a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1222a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1223a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Scan a list of BSSIDs to process for finalize join. 1225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Allows for extension to process multiple BSSIDs. 1226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline int 1228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_capture_bssid(struct mwl8k_priv *priv, struct ieee80211_hdr *wh) 1229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return priv->capture_beacon && 1231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_is_beacon(wh->frame_control) && 1232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek !compare_ether_addr(wh->addr3, priv->capture_bssid); 1233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 12353779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhekstatic inline void mwl8k_save_beacon(struct ieee80211_hw *hw, 12363779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek struct sk_buff *skb) 1237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 12383779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 12393779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek 1240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = false; 1241d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memset(priv->capture_bssid, 0, ETH_ALEN); 1242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 1244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Use GFP_ATOMIC as rxq_process is called from 1245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * the primary interrupt handler, memory allocation call 1246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * must not sleep. 1247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->beacon_skb = skb_copy(skb, GFP_ATOMIC); 1249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->beacon_skb != NULL) 12503779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek ieee80211_queue_work(hw, &priv->finalize_join_worker); 1251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1253d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadamstatic inline struct mwl8k_vif *mwl8k_find_vif_bss(struct list_head *vif_list, 1254d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam u8 *bssid) 1255d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam{ 1256d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam struct mwl8k_vif *mwl8k_vif; 1257d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1258d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam list_for_each_entry(mwl8k_vif, 1259d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam vif_list, list) { 1260d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (memcmp(bssid, mwl8k_vif->bssid, 1261d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam ETH_ALEN) == 0) 1262d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam return mwl8k_vif; 1263d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 1264d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1265d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam return NULL; 1266d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam} 1267d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int rxq_process(struct ieee80211_hw *hw, int index, int limit) 1269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1270a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1271d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam struct mwl8k_vif *mwl8k_vif = NULL; 1272a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 1273a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int processed; 1274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1275a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek processed = 0; 127645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek while (rxq->rxd_count && limit--) { 1277a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 127854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 127954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek int pkt_len; 1280a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rx_status status; 1281d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam struct ieee80211_hdr *wh; 128220f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek __le16 qos; 1283a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1284788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek skb = rxq->buf[rxq->head].skb; 1285d25f9f1357139bbdc79bc960ea84909a7c22ec2bLennert Buytenhek if (skb == NULL) 1286d25f9f1357139bbdc79bc960ea84909a7c22ec2bLennert Buytenhek break; 128754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 128854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd = rxq->rxd + (rxq->head * priv->rxd_ops->rxd_size); 128954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 12900d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville pkt_len = priv->rxd_ops->rxd_process(rxd, &status, &qos, 12910d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville &priv->noise); 129254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (pkt_len < 0) 129354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek break; 129454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 1295788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[rxq->head].skb = NULL; 1296788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek 1297788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_single(priv->pdev, 129853b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr(&rxq->buf[rxq->head], dma), 1299788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE); 130053b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr_set(&rxq->buf[rxq->head], dma, 0); 1301a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 130254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->head++; 130354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (rxq->head == MWL8K_RX_DESCS) 130454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->head = 0; 130554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 130645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd_count--; 1307a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1308d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam wh = &((struct mwl8k_dma_data *)skb->data)->wh; 1309a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1310a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 1311c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * Check for a pending join operation. Save a 1312c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * copy of the beacon and schedule a tasklet to 1313c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * send a FINALIZE_JOIN command to the firmware. 1314a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 131554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (mwl8k_capture_bssid(priv, (void *)skb->data)) 13163779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek mwl8k_save_beacon(hw, skb); 1317a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1318d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (ieee80211_has_protected(wh->frame_control)) { 1319d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1320d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam /* Check if hw crypto has been enabled for 1321d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * this bss. If yes, set the status flags 1322d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * accordingly 1323d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam */ 1324d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam mwl8k_vif = mwl8k_find_vif_bss(&priv->vif_list, 1325d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam wh->addr1); 1326d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1327d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (mwl8k_vif != NULL && 1328d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam mwl8k_vif->is_hw_crypto_enabled == true) { 1329d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam /* 1330d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * When MMIC ERROR is encountered 1331d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * by the firmware, payload is 1332d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * dropped and only 32 bytes of 1333d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * mwl8k Firmware header is sent 1334d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * to the host. 1335d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * 1336d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * We need to add four bytes of 1337d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * key information. In it 1338d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * MAC80211 expects keyidx set to 1339d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * 0 for triggering Counter 1340d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * Measure of MMIC failure. 1341d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam */ 1342d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (status.flag & RX_FLAG_MMIC_ERROR) { 1343d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam struct mwl8k_dma_data *tr; 1344d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam tr = (struct mwl8k_dma_data *)skb->data; 1345d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam memset((void *)&(tr->data), 0, 4); 1346d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam pkt_len += 4; 1347d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 1348d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1349d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (!ieee80211_is_auth(wh->frame_control)) 1350d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam status.flag |= RX_FLAG_IV_STRIPPED | 1351d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam RX_FLAG_DECRYPTED | 1352d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam RX_FLAG_MMIC_STRIPPED; 1353d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 1354d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 1355d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1356d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam skb_put(skb, pkt_len); 1357d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam mwl8k_remove_dma_header(skb, qos); 1358f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); 1359f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg ieee80211_rx_irqsafe(hw, skb); 1360a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1361a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek processed++; 1362a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1363a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1364a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return processed; 1365a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1367a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1368a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1369a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Packet transmission. 1370a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1371a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1372a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK 0x00000001 1373a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK_RETRY 0x00000002 1374a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK_MORE_RETRY 0x00000004 1375a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_MULTICAST_TX 0x00000008 1376a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_FW_OWNED 0x80000000 1377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1378e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_QLEN_UNSPEC 0xff00 1379e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_ACK_POLICY_MASK 0x0060 1380e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_ACK_POLICY_NORMAL 0x0000 1381e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_ACK_POLICY_BLOCKACK 0x0060 1382e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_EOSP 0x0010 1383e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek 1384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_tx_desc { 1385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 status; 1386a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 data_rate; 1387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 tx_priority; 1388a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 qos_control; 1389a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pkt_phys_addr; 1390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pkt_len; 1391d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 dest_MAC_addr[ETH_ALEN]; 139245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 next_txd_phys_addr; 13938a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo __le32 timestamp; 1394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 rate_info; 1395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 peer_id; 1396a1fe24b0fd8bf16b4e551ae3fb785bfc574b9ffbBrian Cavagnolo __u8 tx_frag_cnt; 1397ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 1398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TX_DESCS 128 1400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_txq_init(struct ieee80211_hw *hw, int index) 1402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1405a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int size; 1406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 14088ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo txq->len = 0; 140945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->head = 0; 141045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail = 0; 1411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek size = MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc); 1413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 141445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->txd = pci_alloc_consistent(priv->pdev, size, &txq->txd_dma); 141545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->txd == NULL) { 14165db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to alloc TX descriptors\n"); 1417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 141945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek memset(txq->txd, 0, size); 1420a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1421b9ede5f1dc03f96949dcaa8f8b3483766c047260Shan Wei txq->skb = kcalloc(MWL8K_TX_DESCS, sizeof(*txq->skb), GFP_KERNEL); 142245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->skb == NULL) { 14235db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to alloc TX skbuff list\n"); 142445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek pci_free_consistent(priv->pdev, size, txq->txd, txq->txd_dma); 1425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1428a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_DESCS; i++) { 1429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1430a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int nexti; 1431a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 143245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc = txq->txd + i; 1433a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek nexti = (i + 1) % MWL8K_TX_DESCS; 1434a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1435a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->status = 0; 143645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc->next_txd_phys_addr = 143745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cpu_to_le32(txq->txd_dma + nexti * sizeof(*tx_desc)); 1438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1441a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1442a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1443a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline void mwl8k_tx_start(struct mwl8k_priv *priv) 1444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_PPA_READY, 1446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1447a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 1448a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ioread32(priv->regs + MWL8K_HIU_INT_CODE); 1450a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 14527e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhekstatic void mwl8k_dump_tx_rings(struct ieee80211_hw *hw) 1453a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 14547e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 14557e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int i; 14567e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1457e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) { 14587e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + i; 14597e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int fw_owned = 0; 14607e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int drv_owned = 0; 14617e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int unused = 0; 14627e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int desc; 14637e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (desc = 0; desc < MWL8K_TX_DESCS; desc++) { 14657e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek struct mwl8k_tx_desc *tx_desc = txq->txd + desc; 14667e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek u32 status; 1467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 14687e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek status = le32_to_cpu(tx_desc->status); 1469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_TXD_STATUS_FW_OWNED) 14707e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek fw_owned++; 1471a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek else 14727e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek drv_owned++; 1473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1474a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (tx_desc->pkt_len == 0) 14757e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek unused++; 1476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1478c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_err(hw->wiphy, 1479c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "txq[%d] len=%d head=%d tail=%d " 1480c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "fw_owned=%d drv_owned=%d unused=%d\n", 1481c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches i, 1482c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches txq->len, txq->head, txq->tail, 1483c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches fw_owned, drv_owned, unused); 14847e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek } 1485a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1487618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek/* 148888de754ad59025eba797e7a8375807755577f450Lennert Buytenhek * Must be called with priv->fw_mutex held and tx queues stopped. 1489618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek */ 149062abd3cfb2f1a0ab1963ac4c4087c477da6b1f2aLennert Buytenhek#define MWL8K_TX_WAIT_TIMEOUT_MS 5000 14917e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1492950d5b0191dc3e71017f336017f75f6189f39f08Lennert Buytenhekstatic int mwl8k_tx_wait_empty(struct ieee80211_hw *hw) 1493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 149588de754ad59025eba797e7a8375807755577f450Lennert Buytenhek DECLARE_COMPLETION_ONSTACK(tx_wait); 14967e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int retry; 14977e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int rc; 1498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek might_sleep(); 1500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15017e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek /* 15027e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek * The TX queues are stopped at this point, so this test 15037e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek * doesn't need to take ->tx_lock. 15047e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek */ 15057e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek if (!priv->pending_tx_pkts) 15067e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek return 0; 15077e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 15087e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek retry = 0; 15097e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek rc = 0; 15107e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 15127e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek priv->tx_wait = &tx_wait; 15137e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek while (!rc) { 15147e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int oldcount; 15157e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek unsigned long timeout; 1516a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15177e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek oldcount = priv->pending_tx_pkts; 1518a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15197e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek spin_unlock_bh(&priv->tx_lock); 152088de754ad59025eba797e7a8375807755577f450Lennert Buytenhek timeout = wait_for_completion_timeout(&tx_wait, 15217e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek msecs_to_jiffies(MWL8K_TX_WAIT_TIMEOUT_MS)); 1522a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 15237e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 15247e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek if (timeout) { 15257e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek WARN_ON(priv->pending_tx_pkts); 1526ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar if (retry) 1527c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_notice(hw->wiphy, "tx rings drained\n"); 15287e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek break; 15297e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek } 15307e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 15317e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek if (priv->pending_tx_pkts < oldcount) { 1532c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_notice(hw->wiphy, 1533c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "waiting for tx rings to drain (%d -> %d pkts)\n", 1534c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches oldcount, priv->pending_tx_pkts); 15357e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek retry = 1; 15367e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek continue; 15377e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek } 15387e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1539a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->tx_wait = NULL; 1540a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1541c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_err(hw->wiphy, "tx rings stuck for %d ms\n", 1542c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches MWL8K_TX_WAIT_TIMEOUT_MS); 15437e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek mwl8k_dump_tx_rings(hw); 15447e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 15457e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek rc = -ETIMEDOUT; 1546a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 15477e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek spin_unlock_bh(&priv->tx_lock); 1548a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15497e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek return rc; 1550a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1551a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1552c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek#define MWL8K_TXD_SUCCESS(status) \ 1553c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek ((status) & (MWL8K_TXD_STATUS_OK | \ 1554c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek MWL8K_TXD_STATUS_OK_RETRY | \ 1555c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek MWL8K_TXD_STATUS_OK_MORE_RETRY)) 1556a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1557a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadamstatic int mwl8k_tid_queue_mapping(u8 tid) 1558a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam{ 1559a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam BUG_ON(tid > 7); 1560a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam 1561a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam switch (tid) { 1562a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 0: 1563a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 3: 1564a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return IEEE80211_AC_BE; 1565a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam break; 1566a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 1: 1567a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 2: 1568a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return IEEE80211_AC_BK; 1569a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam break; 1570a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 4: 1571a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 5: 1572a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return IEEE80211_AC_VI; 1573a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam break; 1574a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 6: 1575a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 7: 1576a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return IEEE80211_AC_VO; 1577a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam break; 1578a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam default: 1579a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return -1; 1580a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam break; 1581a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam } 1582a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam} 1583a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam 1584170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam/* The firmware will fill in the rate information 1585170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam * for each packet that gets queued in the hardware 158649adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville * and these macros will interpret that info. 1587170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam */ 1588170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam 158949adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville#define RI_FORMAT(a) (a & 0x0001) 159049adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville#define RI_RATE_ID_MCS(a) ((a & 0x01f8) >> 3) 1591170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam 1592efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhekstatic int 1593efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhekmwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int limit, int force) 1594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1597efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek int processed; 1598a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1599efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek processed = 0; 16008ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo while (txq->len > 0 && limit--) { 1601a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int tx; 1602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long addr; 1604ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek int size; 1605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 1606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_info *info; 1607a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 status; 1608170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam struct ieee80211_sta *sta; 1609170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam struct mwl8k_sta *sta_info = NULL; 1610170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam u16 rate_info; 1611170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam struct ieee80211_hdr *wh; 1612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 161345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx = txq->head; 161445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc = txq->txd + tx; 1615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = le32_to_cpu(tx_desc->status); 1617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_TXD_STATUS_FW_OWNED) { 1619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!force) 1620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 1621a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->status &= 1622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ~cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED); 1623a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1624a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 162545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->head = (tx + 1) % MWL8K_TX_DESCS; 16268ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo BUG_ON(txq->len == 0); 16278ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo txq->len--; 1628a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts--; 1629a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1630a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek addr = le32_to_cpu(tx_desc->pkt_phys_addr); 1631ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek size = le16_to_cpu(tx_desc->pkt_len); 163245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek skb = txq->skb[tx]; 163345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb[tx] = NULL; 1634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1635a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek BUG_ON(skb == NULL); 1636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, addr, size, PCI_DMA_TODEVICE); 1637a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 163820f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek mwl8k_remove_dma_header(skb, tx_desc->qos_control); 1639a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1640170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam wh = (struct ieee80211_hdr *) skb->data; 1641170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam 1642a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Mark descriptor as unused */ 1643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->pkt_phys_addr = 0; 1644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->pkt_len = 0; 1645a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek info = IEEE80211_SKB_CB(skb); 1647170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam if (ieee80211_is_data(wh->frame_control)) { 1648170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam sta = info->control.sta; 1649170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam if (sta) { 1650170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam sta_info = MWL8K_STA(sta); 1651170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam BUG_ON(sta_info == NULL); 1652170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam rate_info = le16_to_cpu(tx_desc->rate_info); 1653170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam /* If rate is < 6.5 Mpbs for an ht station 1654170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam * do not form an ampdu. If the station is a 1655170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam * legacy station (format = 0), do not form an 1656170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam * ampdu 1657170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam */ 165849adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville if (RI_RATE_ID_MCS(rate_info) < 1 || 165949adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville RI_FORMAT(rate_info) == 0) { 1660170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam sta_info->is_ampdu_allowed = false; 1661170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } else { 1662170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam sta_info->is_ampdu_allowed = true; 1663170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } 1664170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } 1665170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } 1666170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam 1667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_tx_info_clear_status(info); 16680bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam 16690bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam /* Rate control is happening in the firmware. 16700bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam * Ensure no tx rate is being reported. 16710bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam */ 1672ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar info->status.rates[0].idx = -1; 1673ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar info->status.rates[0].count = 1; 16740bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam 1675ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek if (MWL8K_TXD_SUCCESS(status)) 1676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek info->flags |= IEEE80211_TX_STAT_ACK; 1677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1678a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_tx_status_irqsafe(hw, skb); 1679a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1680efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek processed++; 1681a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1683efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek return processed; 1684a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1685a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1686a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* must be called only when the card's transmit is completely halted */ 1687a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_txq_deinit(struct ieee80211_hw *hw, int index) 1688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1689a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1691a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 169273b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (txq->txd == NULL) 169373b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo return; 169473b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo 1695efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek mwl8k_txq_reclaim(hw, index, INT_MAX, 1); 1696a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 169745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek kfree(txq->skb); 169845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb = NULL; 1699a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1700a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 1701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc), 170245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->txd, txq->txd_dma); 170345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->txd = NULL; 1704a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1705a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1706ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo/* caller must hold priv->stream_lock when calling the stream functions */ 1707ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powarstatic struct mwl8k_ampdu_stream * 1708ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolomwl8k_add_stream(struct ieee80211_hw *hw, struct ieee80211_sta *sta, u8 tid) 1709ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo{ 1710ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo struct mwl8k_ampdu_stream *stream; 1711ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo struct mwl8k_priv *priv = hw->priv; 1712ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo int i; 1713ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1714ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo for (i = 0; i < priv->num_ampdu_queues; i++) { 1715ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream = &priv->ampdu[i]; 1716ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (stream->state == AMPDU_NO_STREAM) { 1717ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->sta = sta; 1718ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->state = AMPDU_STREAM_NEW; 1719ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->tid = tid; 1720ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->idx = i; 1721ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->txq_idx = MWL8K_TX_WMM_QUEUES + i; 1722ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo wiphy_debug(hw->wiphy, "Added a new stream for %pM %d", 1723ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo sta->addr, tid); 1724ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return stream; 1725ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo } 1726ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo } 1727ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return NULL; 1728ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo} 1729ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1730ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolostatic int 1731ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolomwl8k_start_stream(struct ieee80211_hw *hw, struct mwl8k_ampdu_stream *stream) 1732ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo{ 1733ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo int ret; 1734ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1735ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo /* if the stream has already been started, don't start it again */ 1736ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (stream->state != AMPDU_STREAM_NEW) 1737ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return 0; 1738ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo ret = ieee80211_start_tx_ba_session(stream->sta, stream->tid, 0); 1739ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (ret) 1740ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo wiphy_debug(hw->wiphy, "Failed to start stream for %pM %d: " 1741ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo "%d\n", stream->sta->addr, stream->tid, ret); 1742ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo else 1743ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo wiphy_debug(hw->wiphy, "Started stream for %pM %d\n", 1744ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->sta->addr, stream->tid); 1745ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return ret; 1746ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo} 1747ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1748ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolostatic void 1749ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolomwl8k_remove_stream(struct ieee80211_hw *hw, struct mwl8k_ampdu_stream *stream) 1750ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo{ 1751ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo wiphy_debug(hw->wiphy, "Remove stream for %pM %d\n", stream->sta->addr, 1752ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->tid); 1753ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo memset(stream, 0, sizeof(*stream)); 1754ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo} 1755ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1756ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolostatic struct mwl8k_ampdu_stream * 1757ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolomwl8k_lookup_stream(struct ieee80211_hw *hw, u8 *addr, u8 tid) 1758ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo{ 1759ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo struct mwl8k_priv *priv = hw->priv; 1760ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo int i; 1761ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1762ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo for (i = 0 ; i < priv->num_ampdu_queues; i++) { 1763ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo struct mwl8k_ampdu_stream *stream; 1764ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream = &priv->ampdu[i]; 1765ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (stream->state == AMPDU_NO_STREAM) 1766ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo continue; 1767ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (!memcmp(stream->sta->addr, addr, ETH_ALEN) && 1768ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->tid == tid) 1769ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return stream; 1770ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo } 1771ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return NULL; 1772ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo} 1773ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1774d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo#define MWL8K_AMPDU_PACKET_THRESHOLD 64 1775d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolostatic inline bool mwl8k_ampdu_allowed(struct ieee80211_sta *sta, u8 tid) 1776d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo{ 1777d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct mwl8k_sta *sta_info = MWL8K_STA(sta); 1778d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct tx_traffic_info *tx_stats; 1779d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1780d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo BUG_ON(tid >= MWL8K_MAX_TID); 1781d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats = &sta_info->tx_stats[tid]; 1782d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1783d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo return sta_info->is_ampdu_allowed && 1784d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->pkts > MWL8K_AMPDU_PACKET_THRESHOLD; 1785d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo} 1786d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1787d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolostatic inline void mwl8k_tx_count_packet(struct ieee80211_sta *sta, u8 tid) 1788d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo{ 1789d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct mwl8k_sta *sta_info = MWL8K_STA(sta); 1790d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct tx_traffic_info *tx_stats; 1791d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1792d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo BUG_ON(tid >= MWL8K_MAX_TID); 1793d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats = &sta_info->tx_stats[tid]; 1794d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1795d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo if (tx_stats->start_time == 0) 1796d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->start_time = jiffies; 1797d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1798d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo /* reset the packet count after each second elapses. If the number of 1799d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo * packets ever exceeds the ampdu_min_traffic threshold, we will allow 1800d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo * an ampdu stream to be started. 1801d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo */ 1802d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo if (jiffies - tx_stats->start_time > HZ) { 1803d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->pkts = 0; 1804d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->start_time = 0; 1805d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo } else 1806d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->pkts++; 1807d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo} 1808d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 18097bb4568372856688bc070917265bce0b88bb7d4dJohannes Bergstatic void 1810a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb) 1811a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1812a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1813a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_info *tx_info; 181423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek struct mwl8k_vif *mwl8k_vif; 181565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam struct ieee80211_sta *sta; 1816a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 1817a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq; 1818a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx; 1819a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma; 182023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u32 txstatus; 182123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u8 txdatarate; 182223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u16 qos; 182365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam int txpriority; 182465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam u8 tid = 0; 182565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam struct mwl8k_ampdu_stream *stream = NULL; 182665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam bool start_ba_session = false; 18273a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam bool mgmtframe = false; 1828a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data; 1829a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 183023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 183123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (ieee80211_is_data_qos(wh->frame_control)) 183223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = le16_to_cpu(*((__le16 *)ieee80211_get_qos_ctl(wh))); 183323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek else 183423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = 0; 1835a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 18363a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam if (ieee80211_is_mgmt(wh->frame_control)) 18373a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam mgmtframe = true; 18383a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam 1839d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (priv->ap_fw) 1840ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar mwl8k_encapsulate_tx_frame(priv, skb); 1841d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam else 1842e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar mwl8k_add_dma_header(priv, skb, 0, 0); 1843d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 184423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek wh = &((struct mwl8k_dma_data *)skb->data)->wh; 1845a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1846a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_info = IEEE80211_SKB_CB(skb); 184765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam sta = tx_info->control.sta; 1848a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif = MWL8K_VIF(tx_info->control.vif); 1849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1850a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { 1851a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); 1852657232b625890f202867ede0ed67ecf15827ff80Lennert Buytenhek wh->seq_ctrl |= cpu_to_le16(mwl8k_vif->seqno); 1853657232b625890f202867ede0ed67ecf15827ff80Lennert Buytenhek mwl8k_vif->seqno += 0x10; 1854a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1855a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 185623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek /* Setup firmware control bit fields for each frame type. */ 185723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txstatus = 0; 185823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 0; 185923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (ieee80211_is_mgmt(wh->frame_control) || 186023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek ieee80211_is_ctl(wh->frame_control)) { 186123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 0; 1862e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos |= MWL8K_QOS_QLEN_UNSPEC | MWL8K_QOS_EOSP; 186323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek } else if (ieee80211_is_data(wh->frame_control)) { 186423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 1; 186523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (is_multicast_ether_addr(wh->addr1)) 186623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txstatus |= MWL8K_TXD_STATUS_MULTICAST_TX; 186723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 1868e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos &= ~MWL8K_QOS_ACK_POLICY_MASK; 186923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) 1870e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos |= MWL8K_QOS_ACK_POLICY_BLOCKACK; 187123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek else 1872e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos |= MWL8K_QOS_ACK_POLICY_NORMAL; 187323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek } 1874a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1875a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam /* Queue ADDBA request in the respective data queue. While setting up 1876a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * the ampdu stream, mac80211 queues further packets for that 1877a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * particular ra/tid pair. However, packets piled up in the hardware 1878a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * for that ra/tid pair will still go out. ADDBA request and the 1879a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * related data packets going out from different queues asynchronously 1880a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * will cause a shift in the receiver window which might result in 1881a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * ampdu packets getting dropped at the receiver after the stream has 1882a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * been setup. 1883a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam */ 1884a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam if (unlikely(ieee80211_is_action(wh->frame_control) && 1885a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam mgmt->u.action.category == WLAN_CATEGORY_BACK && 1886a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam mgmt->u.action.u.addba_req.action_code == WLAN_ACTION_ADDBA_REQ && 1887a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam priv->ap_fw)) { 1888a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam u16 capab = le16_to_cpu(mgmt->u.action.u.addba_req.capab); 1889a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; 1890a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam index = mwl8k_tid_queue_mapping(tid); 1891a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam } 1892a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam 189365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam txpriority = index; 189465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 189516c929df0895e6f52f4a0f17683d709f5fef95d8Yogesh Ashok Powar if (priv->ap_fw && sta && sta->ht_cap.ht_supported 189616c929df0895e6f52f4a0f17683d709f5fef95d8Yogesh Ashok Powar && skb->protocol != cpu_to_be16(ETH_P_PAE) 189716c929df0895e6f52f4a0f17683d709f5fef95d8Yogesh Ashok Powar && ieee80211_is_data_qos(wh->frame_control)) { 189865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam tid = qos & 0xf; 1899d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo mwl8k_tx_count_packet(sta, tid); 190065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 190165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream = mwl8k_lookup_stream(hw, sta->addr, tid); 190265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (stream != NULL) { 190365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (stream->state == AMPDU_STREAM_ACTIVE) { 190465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam txpriority = stream->txq_idx; 190565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam index = stream->txq_idx; 190665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } else if (stream->state == AMPDU_STREAM_NEW) { 190765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* We get here if the driver sends us packets 190865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * after we've initiated a stream, but before 190965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * our ampdu_action routine has been called 191065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * with IEEE80211_AMPDU_TX_START to get the SSN 191165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * for the ADDBA request. So this packet can 191265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * go out with no risk of sequence number 191365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * mismatch. No special handling is required. 191465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 191565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } else { 191665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* Drop packets that would go out after the 191765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * ADDBA request was sent but before the ADDBA 191865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * response is received. If we don't do this, 191965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * the recipient would probably receive it 192065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * after the ADDBA request with SSN 0. This 192165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * will cause the recipient's BA receive window 192265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * to shift, which would cause the subsequent 192365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * packets in the BA stream to be discarded. 192465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * mac80211 queues our packets for us in this 192565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * case, so this is really just a safety check. 192665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 192765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_warn(hw->wiphy, 192865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam "Cannot send packet while ADDBA " 192965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam "dialog is underway.\n"); 193065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 193165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam dev_kfree_skb(skb); 193265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam return; 193365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 193465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } else { 193565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* Defer calling mwl8k_start_stream so that the current 193665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * skb can go out before the ADDBA request. This 193765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * prevents sequence number mismatch at the recepient 193865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * as described above. 193965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 1940d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo if (mwl8k_ampdu_allowed(sta, tid)) { 1941170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam stream = mwl8k_add_stream(hw, sta, tid); 1942170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam if (stream != NULL) 1943170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam start_ba_session = true; 1944170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } 194565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 194665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 194765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 194865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 1949a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma = pci_map_single(priv->pdev, skb->data, 1950a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb->len, PCI_DMA_TODEVICE); 1951a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1952a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma)) { 1953c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_debug(hw->wiphy, 1954c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "failed to dma map skb, dropping TX frame.\n"); 195565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (start_ba_session) { 195665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 195765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_remove_stream(hw, stream); 195865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 195965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 196023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek dev_kfree_skb(skb); 19617bb4568372856688bc070917265bce0b88bb7d4dJohannes Berg return; 1962a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1963a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 196423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek spin_lock_bh(&priv->tx_lock); 1965a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 196623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txq = priv->txq + index; 1967a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 19683a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam /* Mgmt frames that go out frequently are probe 19693a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * responses. Other mgmt frames got out relatively 19703a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * infrequently. Hence reserve 2 buffers so that 19713a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * other mgmt frames do not get dropped due to an 19723a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * already queued probe response in one of the 19733a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * reserved buffers. 19743a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam */ 19753a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam 19763a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam if (txq->len >= MWL8K_TX_DESCS - 2) { 19773a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam if (mgmtframe == false || 19783a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam txq->len == MWL8K_TX_DESCS) { 19793a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam if (start_ba_session) { 19803a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam spin_lock(&priv->stream_lock); 19813a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam mwl8k_remove_stream(hw, stream); 19823a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam spin_unlock(&priv->stream_lock); 19833a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam } 19843a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam spin_unlock_bh(&priv->tx_lock); 19853a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam dev_kfree_skb(skb); 19863a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam return; 19873a7dbc3b2ac545efac75d4145839eaa7b59d9741Pradeep Nemavat } 198865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 198965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 199045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek BUG_ON(txq->skb[txq->tail] != NULL); 199145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb[txq->tail] = skb; 1992a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 199345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx = txq->txd + txq->tail; 199423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->data_rate = txdatarate; 199565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam tx->tx_priority = txpriority; 1996a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->qos_control = cpu_to_le16(qos); 1997a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->pkt_phys_addr = cpu_to_le32(dma); 1998a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->pkt_len = cpu_to_le16(skb->len); 199923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->rate_info = 0; 2000a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek if (!priv->ap_fw && tx_info->control.sta != NULL) 2001a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek tx->peer_id = MWL8K_STA(tx_info->control.sta)->peer_id; 2002a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek else 2003a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek tx->peer_id = 0; 2004566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat 2005566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat if (priv->ap_fw) 2006566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat tx->timestamp = cpu_to_le32(ioread32(priv->regs + 2007566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat MWL8K_HW_TIMER_REGISTER)); 2008566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat 2009a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wmb(); 201023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->status = cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED | txstatus); 201123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 20128ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo txq->len++; 2013a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts++; 2014a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 201545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail++; 201645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->tail == MWL8K_TX_DESCS) 201745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail = 0; 201823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 201923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek mwl8k_tx_start(priv); 2020a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2021a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 202265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 202365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* Initiate the ampdu session here */ 202465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (start_ba_session) { 202565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 202665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (mwl8k_start_stream(hw, stream)) 202765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_remove_stream(hw, stream); 202865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 202965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 2030a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2031a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2032a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2033a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2034618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * Firmware access. 2035618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * 2036618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * We have the following requirements for issuing firmware commands: 2037618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * - Some commands require that the packet transmit path is idle when 2038618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * the command is issued. (For simplicity, we'll just quiesce the 2039618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * transmit path for every command.) 2040618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * - There are certain sequences of commands that need to be issued to 2041618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * the hardware sequentially, with no other intervening commands. 2042618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * 2043618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * This leads to an implementation of a "firmware lock" as a mutex that 2044618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * can be taken recursively, and which is taken by both the low-level 2045618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * command submission function (mwl8k_post_cmd) as well as any users of 2046618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * that function that require issuing of an atomic sequence of commands, 2047618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * and quiesces the transmit path whenever it's taken. 2048618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek */ 2049618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhekstatic int mwl8k_fw_lock(struct ieee80211_hw *hw) 2050618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek{ 2051618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2052618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2053618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (priv->fw_mutex_owner != current) { 2054618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek int rc; 2055618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2056618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_lock(&priv->fw_mutex); 2057618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek ieee80211_stop_queues(hw); 2058618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2059618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek rc = mwl8k_tx_wait_empty(hw); 2060618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (rc) { 2061618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek ieee80211_wake_queues(hw); 2062618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_unlock(&priv->fw_mutex); 2063618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2064618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return rc; 2065618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 2066618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2067618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_owner = current; 2068618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 2069618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2070618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_depth++; 2071618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2072618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return 0; 2073618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek} 2074618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2075618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhekstatic void mwl8k_fw_unlock(struct ieee80211_hw *hw) 2076618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek{ 2077618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2078618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2079618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (!--priv->fw_mutex_depth) { 2080618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek ieee80211_wake_queues(hw); 2081618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_owner = NULL; 2082618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_unlock(&priv->fw_mutex); 2083618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 2084618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek} 2085618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2086618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2087618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek/* 2088a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Command processing. 2089a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2090a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 20910c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek/* Timeout firmware commands after 10s */ 20920c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek#define MWL8K_CMD_TIMEOUT_MS 10000 2093a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2094a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd) 2095a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2096a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek DECLARE_COMPLETION_ONSTACK(cmd_wait); 2097a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2098a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs = priv->regs; 2099a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma_addr; 2100a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned int dma_size; 2101a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2102a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long timeout = 0; 2103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 buf[32]; 2104a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2105b603742f49c3ec922522602e18ac22e8f6835132John W. Linville cmd->result = (__force __le16) 0xffff; 2106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_size = le16_to_cpu(cmd->length); 2107a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr = pci_map_single(priv->pdev, cmd, dma_size, 2108a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek PCI_DMA_BIDIRECTIONAL); 2109a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma_addr)) 2110a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2111a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2112618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek rc = mwl8k_fw_lock(hw); 211339a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek if (rc) { 211439a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, dma_size, 211539a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek PCI_DMA_BIDIRECTIONAL); 2116618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return rc; 211739a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek } 2118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2119a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hostcmd_wait = &cmd_wait; 2120a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR); 2121a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DOORBELL, 2122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 2123a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 2124a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 2125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek timeout = wait_for_completion_timeout(&cmd_wait, 2127a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msecs_to_jiffies(MWL8K_CMD_TIMEOUT_MS)); 2128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2129618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->hostcmd_wait = NULL; 2130618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2131618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mwl8k_fw_unlock(hw); 2132618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 213337055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, dma_size, 213437055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek PCI_DMA_BIDIRECTIONAL); 213537055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek 2136a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!timeout) { 21375db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Command %s timeout after %u ms\n", 2138c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 2139c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches MWL8K_CMD_TIMEOUT_MS); 2140a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -ETIMEDOUT; 2141a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 21420c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek int ms; 21430c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek 21440c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek ms = MWL8K_CMD_TIMEOUT_MS - jiffies_to_msecs(timeout); 21450c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek 2146ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek rc = cmd->result ? -EINVAL : 0; 2147a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 21485db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Command %s error 0x%x\n", 2149c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 2150c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches le16_to_cpu(cmd->result)); 21510c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek else if (ms > 2000) 21525db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_notice(hw->wiphy, "Command %s took %d ms\n", 2153c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches mwl8k_cmd_name(cmd->code, 2154c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches buf, sizeof(buf)), 2155c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches ms); 2156a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2159a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2161f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhekstatic int mwl8k_post_pervif_cmd(struct ieee80211_hw *hw, 2162f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek struct ieee80211_vif *vif, 2163f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek struct mwl8k_cmd_pkt *cmd) 2164f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek{ 2165f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek if (vif != NULL) 2166f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek cmd->macid = MWL8K_VIF(vif)->macid; 2167f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek return mwl8k_post_cmd(hw, cmd); 2168f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek} 2169f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek 2170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 21711349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek * Setup code shared between STA and AP firmware images. 21721349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek */ 21731349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhekstatic void mwl8k_setup_2ghz_band(struct ieee80211_hw *hw) 21741349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek{ 21751349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 21761349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 21771349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek BUILD_BUG_ON(sizeof(priv->channels_24) != sizeof(mwl8k_channels_24)); 21781349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek memcpy(priv->channels_24, mwl8k_channels_24, sizeof(mwl8k_channels_24)); 21791349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 21801349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek BUILD_BUG_ON(sizeof(priv->rates_24) != sizeof(mwl8k_rates_24)); 21811349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek memcpy(priv->rates_24, mwl8k_rates_24, sizeof(mwl8k_rates_24)); 21821349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 21831349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.band = IEEE80211_BAND_2GHZ; 21841349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.channels = priv->channels_24; 21851349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.n_channels = ARRAY_SIZE(mwl8k_channels_24); 21861349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.bitrates = priv->rates_24; 21871349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.n_bitrates = ARRAY_SIZE(mwl8k_rates_24); 21881349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 21891349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band_24; 21901349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek} 21911349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 21924eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhekstatic void mwl8k_setup_5ghz_band(struct ieee80211_hw *hw) 21934eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek{ 21944eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 21954eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 21964eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek BUILD_BUG_ON(sizeof(priv->channels_50) != sizeof(mwl8k_channels_50)); 21974eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek memcpy(priv->channels_50, mwl8k_channels_50, sizeof(mwl8k_channels_50)); 21984eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 21994eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek BUILD_BUG_ON(sizeof(priv->rates_50) != sizeof(mwl8k_rates_50)); 22004eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek memcpy(priv->rates_50, mwl8k_rates_50, sizeof(mwl8k_rates_50)); 22014eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 22024eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.band = IEEE80211_BAND_5GHZ; 22034eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.channels = priv->channels_50; 22044eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.n_channels = ARRAY_SIZE(mwl8k_channels_50); 22054eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.bitrates = priv->rates_50; 22064eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.n_bitrates = ARRAY_SIZE(mwl8k_rates_50); 22074eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 22084eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &priv->band_50; 22094eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek} 22104eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 22111349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek/* 221204b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhek * CMD_GET_HW_SPEC (STA version). 2213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 221404b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhekstruct mwl8k_cmd_get_hw_spec_sta { 2215a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 hw_rev; 2217a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 host_interface; 2218a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 num_mcaddrs; 2219d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 2220a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 region_code; 2221a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 fw_rev; 2222a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 ps_cookie; 2223a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 caps; 2224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 mcs_bitmap[16]; 2225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 rx_queue_ptr; 2226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_tx_queues; 2227e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo __le32 tx_queue_ptrs[MWL8K_TX_WMM_QUEUES]; 2228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 caps2; 2229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_tx_desc_per_queue; 223045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 total_rxd; 2231ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2233341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_MAX_AMSDU 0x20000000 2234341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_GREENFIELD 0x08000000 2235341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_AMPDU 0x04000000 2236341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_RX_STBC 0x01000000 2237341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_TX_STBC 0x00800000 2238341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_SHORTGI_40MHZ 0x00400000 2239341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_SHORTGI_20MHZ 0x00200000 2240341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_RX_ANTENNA_MASK 0x000e0000 2241341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_TX_ANTENNA_MASK 0x0001c000 2242341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_DELAY_BA 0x00003000 2243341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_MIMO 0x00000200 2244341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_40MHZ 0x00000100 224506953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek#define MWL8K_CAP_BAND_MASK 0x00000007 224606953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek#define MWL8K_CAP_5GHZ 0x00000004 224706953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek#define MWL8K_CAP_2GHZ4 0x00000001 2248341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 224906953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhekstatic void 225006953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhekmwl8k_set_ht_caps(struct ieee80211_hw *hw, 225106953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek struct ieee80211_supported_band *band, u32 cap) 2252341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek{ 2253341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek int rx_streams; 2254341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek int tx_streams; 2255341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2256777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.ht_supported = 1; 2257341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2258341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_MAX_AMSDU) 2259777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU; 2260341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_GREENFIELD) 2261777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_GRN_FLD; 2262341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_AMPDU) { 2263341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION; 2264777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 2265777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; 2266341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek } 2267341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_RX_STBC) 2268777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_RX_STBC; 2269341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_TX_STBC) 2270777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC; 2271341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_SHORTGI_40MHZ) 2272777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; 2273341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_SHORTGI_20MHZ) 2274777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20; 2275341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_DELAY_BA) 2276777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_DELAY_BA; 2277341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_40MHZ) 2278777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2279341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2280341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek rx_streams = hweight32(cap & MWL8K_CAP_RX_ANTENNA_MASK); 2281341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek tx_streams = hweight32(cap & MWL8K_CAP_TX_ANTENNA_MASK); 2282341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2283777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.rx_mask[0] = 0xff; 2284341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (rx_streams >= 2) 2285777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.rx_mask[1] = 0xff; 2286341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (rx_streams >= 3) 2287777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.rx_mask[2] = 0xff; 2288777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.rx_mask[4] = 0x01; 2289777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 2290341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2291341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (rx_streams != tx_streams) { 2292777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF; 2293777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.tx_params |= (tx_streams - 1) << 2294341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT; 2295341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek } 2296341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek} 2297341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 229806953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhekstatic void 229906953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhekmwl8k_set_caps(struct ieee80211_hw *hw, u32 caps) 230006953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek{ 230106953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 230206953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek 230306953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek if ((caps & MWL8K_CAP_2GHZ4) || !(caps & MWL8K_CAP_BAND_MASK)) { 230406953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_setup_2ghz_band(hw); 230506953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek if (caps & MWL8K_CAP_MIMO) 230606953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_set_ht_caps(hw, &priv->band_24, caps); 230706953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek } 230806953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek 230906953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek if (caps & MWL8K_CAP_5GHZ) { 231006953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_setup_5ghz_band(hw); 231106953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek if (caps & MWL8K_CAP_MIMO) 231206953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_set_ht_caps(hw, &priv->band_50, caps); 231306953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek } 231406953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek} 231506953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek 231604b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhekstatic int mwl8k_cmd_get_hw_spec_sta(struct ieee80211_hw *hw) 2317a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 231904b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhek struct mwl8k_cmd_get_hw_spec_sta *cmd; 2320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2321a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 2322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC); 2328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2329a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr)); 2331a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 233245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rxd_dma); 2333e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo cmd->num_tx_queues = cpu_to_le32(mwl8k_tx_queues(priv)); 2334e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 233545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].txd_dma); 23364ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS); 233745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS); 2338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 2342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr); 2343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs); 23444ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek priv->fw_rev = le32_to_cpu(cmd->fw_rev); 2345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hw_rev = cmd->hw_rev; 234606953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_set_caps(hw, le32_to_cpu(cmd->caps)); 2347ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->ap_macids_supported = 0x00000000; 2348ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->sta_macids_supported = 0x00000001; 2349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2353a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2354a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 235642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek * CMD_GET_HW_SPEC (AP version). 235742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek */ 235842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstruct mwl8k_cmd_get_hw_spec_ap { 235942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_pkt header; 236042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 hw_rev; 236142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 host_interface; 236242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_wcb; 236342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_mcaddrs; 236442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 236542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 region_code; 236642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_antenna; 236742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 fw_rev; 236842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase0; 236942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 rxwrptr; 237042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 rxrdptr; 237142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 ps_cookie; 237242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase1; 237342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase2; 237442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase3; 2375952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo __le32 fw_api_version; 23768a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo __le32 caps; 23778a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo __le32 num_of_ampdu_queues; 23788a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo __le32 wcbbase_ampdu[MWL8K_MAX_AMPDU_QUEUES]; 2379ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 238042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 238142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstatic int mwl8k_cmd_get_hw_spec_ap(struct ieee80211_hw *hw) 238242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek{ 238342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 238442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_get_hw_spec_ap *cmd; 23858a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo int rc, i; 2386952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo u32 api_version; 238742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 238842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 238942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (cmd == NULL) 239042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return -ENOMEM; 239142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 239242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC); 239342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 239442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 239542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr)); 239642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 239742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 239842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 239942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 240042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (!rc) { 240142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek int off; 240242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 2403952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo api_version = le32_to_cpu(cmd->fw_api_version); 2404952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo if (priv->device_info->fw_api_ap != api_version) { 2405952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo printk(KERN_ERR "%s: Unsupported fw API version for %s." 2406952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo " Expected %d got %d.\n", MWL8K_NAME, 2407952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo priv->device_info->part_name, 2408952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo priv->device_info->fw_api_ap, 2409952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo api_version); 2410952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo rc = -EINVAL; 2411952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo goto done; 2412952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo } 241342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr); 241442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs); 241542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek priv->fw_rev = le32_to_cpu(cmd->fw_rev); 241642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek priv->hw_rev = cmd->hw_rev; 24178a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo mwl8k_set_caps(hw, le32_to_cpu(cmd->caps)); 2418ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->ap_macids_supported = 0x000000ff; 2419ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->sta_macids_supported = 0x00000000; 24208a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo priv->num_ampdu_queues = le32_to_cpu(cmd->num_of_ampdu_queues); 24218a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo if (priv->num_ampdu_queues > MWL8K_MAX_AMPDU_QUEUES) { 24228a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo wiphy_warn(hw->wiphy, "fw reported %d ampdu queues" 24238a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo " but we only support %d.\n", 24248a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo priv->num_ampdu_queues, 24258a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo MWL8K_MAX_AMPDU_QUEUES); 24268a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo priv->num_ampdu_queues = MWL8K_MAX_AMPDU_QUEUES; 24278a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo } 242842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek off = le32_to_cpu(cmd->rxwrptr) & 0xffff; 2429b603742f49c3ec922522602e18ac22e8f6835132John W. Linville iowrite32(priv->rxq[0].rxd_dma, priv->sram + off); 243042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 243142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek off = le32_to_cpu(cmd->rxrdptr) & 0xffff; 2432b603742f49c3ec922522602e18ac22e8f6835132John W. Linville iowrite32(priv->rxq[0].rxd_dma, priv->sram + off); 243342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 243473b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->txq_offset[0] = le32_to_cpu(cmd->wcbbase0) & 0xffff; 243573b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->txq_offset[1] = le32_to_cpu(cmd->wcbbase1) & 0xffff; 243673b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->txq_offset[2] = le32_to_cpu(cmd->wcbbase2) & 0xffff; 243773b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->txq_offset[3] = le32_to_cpu(cmd->wcbbase3) & 0xffff; 24388a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo 24398a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo for (i = 0; i < priv->num_ampdu_queues; i++) 2440e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo priv->txq_offset[i + MWL8K_TX_WMM_QUEUES] = 24418a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo le32_to_cpu(cmd->wcbbase_ampdu[i]) & 0xffff; 244242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek } 244342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 2444952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolodone: 244542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek kfree(cmd); 244642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return rc; 244742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek} 244842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 244942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek/* 245042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek * CMD_SET_HW_SPEC. 245142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek */ 245242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstruct mwl8k_cmd_set_hw_spec { 245342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_pkt header; 245442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 hw_rev; 245542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 host_interface; 245642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_mcaddrs; 245742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 245842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 region_code; 245942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 fw_rev; 246042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 ps_cookie; 246142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 caps; 246242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 rx_queue_ptr; 246342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 num_tx_queues; 2464e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo __le32 tx_queue_ptrs[MWL8K_MAX_TX_QUEUES]; 246542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 flags; 246642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 num_tx_desc_per_queue; 246742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 total_rxd; 2468ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 246942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 24708a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo/* If enabled, MWL8K_SET_HW_SPEC_FLAG_ENABLE_LIFE_TIME_EXPIRY will cause 24718a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * packets to expire 500 ms after the timestamp in the tx descriptor. That is, 24728a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * the packets that are queued for more than 500ms, will be dropped in the 24738a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * hardware. This helps minimizing the issues caused due to head-of-line 24748a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * blocking where a slow client can hog the bandwidth and affect traffic to a 24758a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * faster client. 24768a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo */ 24778a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo#define MWL8K_SET_HW_SPEC_FLAG_ENABLE_LIFE_TIME_EXPIRY 0x00000400 24783373b28e5af4a0b3c6cb39372581dcc1e41322ffNishant Sarmukadam#define MWL8K_SET_HW_SPEC_FLAG_GENERATE_CCMP_HDR 0x00000200 2479b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek#define MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT 0x00000080 2480b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek#define MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_PROBERESP 0x00000020 2481b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek#define MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_BEACON 0x00000010 248242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 248342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstatic int mwl8k_cmd_set_hw_spec(struct ieee80211_hw *hw) 248442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek{ 248542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 248642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_set_hw_spec *cmd; 248742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek int rc; 248842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek int i; 248942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 249042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 249142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (cmd == NULL) 249242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return -ENOMEM; 249342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 249442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_HW_SPEC); 249542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 249642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 249742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 249842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rxd_dma); 2499e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo cmd->num_tx_queues = cpu_to_le32(mwl8k_tx_queues(priv)); 250085c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam 250185c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam /* 250285c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam * Mac80211 stack has Q0 as highest priority and Q3 as lowest in 250385c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam * that order. Firmware has Q3 as highest priority and Q0 as lowest 250485c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam * in that order. Map Q3 of mac80211 to Q0 of firmware so that the 250585c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam * priority is interpreted the right way in firmware. 250685c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam */ 2507e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) { 2508e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo int j = mwl8k_tx_queues(priv) - 1 - i; 250985c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[j].txd_dma); 251085c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam } 251185c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam 2512b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->flags = cpu_to_le32(MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT | 2513b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_PROBERESP | 251431d291a769b4318cbf7943ca149e04d201e2c931Nishant Sarmukadam MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_BEACON | 25153373b28e5af4a0b3c6cb39372581dcc1e41322ffNishant Sarmukadam MWL8K_SET_HW_SPEC_FLAG_ENABLE_LIFE_TIME_EXPIRY | 25163373b28e5af4a0b3c6cb39372581dcc1e41322ffNishant Sarmukadam MWL8K_SET_HW_SPEC_FLAG_GENERATE_CCMP_HDR); 251742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS); 251842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS); 251942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 252042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 252142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek kfree(cmd); 252242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 252342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return rc; 252442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek} 252542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 252642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek/* 2527a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_MAC_MULTICAST_ADR. 2528a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2529a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_mac_multicast_adr { 2530a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2531a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2532a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 numaddr; 2533ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek __u8 addr[0][ETH_ALEN]; 2534a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 2535a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2536d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_DIRECTED 0x0001 2537d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_MULTICAST 0x0002 2538d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_ALL_MULTICAST 0x0004 2539d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_BROADCAST 0x0008 2540ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek 2541e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhekstatic struct mwl8k_cmd_pkt * 2542447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek__mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw, int allmulti, 254322bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko struct netdev_hw_addr_list *mc_list) 2544a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2545e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2546a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_mac_multicast_adr *cmd; 2547e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek int size; 254822bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko int mc_count = 0; 254922bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko 255022bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko if (mc_list) 255122bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko mc_count = netdev_hw_addr_list_count(mc_list); 2552e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 2553447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (allmulti || mc_count > priv->num_mcaddrs) { 2554d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek allmulti = 1; 2555d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek mc_count = 0; 2556d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek } 2557e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 2558e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek size = sizeof(*cmd) + mc_count * ETH_ALEN; 2559ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek 2560e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek cmd = kzalloc(size, GFP_ATOMIC); 2561a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2562e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return NULL; 2563a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2564a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_MAC_MULTICAST_ADR); 2565a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(size); 2566d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_ENABLE_RX_DIRECTED | 2567d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek MWL8K_ENABLE_RX_BROADCAST); 2568d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek 2569d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek if (allmulti) { 2570d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_ALL_MULTICAST); 2571d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek } else if (mc_count) { 257222bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko struct netdev_hw_addr *ha; 257322bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko int i = 0; 2574d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek 2575d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_MULTICAST); 2576d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->numaddr = cpu_to_le16(mc_count); 257722bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko netdev_hw_addr_list_for_each(ha, mc_list) { 257822bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko memcpy(cmd->addr[i], ha->addr, ETH_ALEN); 2579a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2580a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2581a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2582e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return &cmd->header; 2583a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2584a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2585a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 258655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_GET_STAT. 2587a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 258855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_get_stat { 2589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 stats[64]; 2591ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2592a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_ACK_FAILURE 9 2594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_RTS_FAILURE 12 2595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_FCS_ERROR 24 2596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_RTS_SUCCESS 11 2597a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 259855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_get_stat(struct ieee80211_hw *hw, 259955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct ieee80211_low_level_stats *stats) 2600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 260155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_get_stat *cmd; 2602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2607a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_STAT); 2609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2610a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2611a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 2613a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11ACKFailureCount = 2614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_ACK_FAILURE]); 2615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11RTSFailureCount = 2616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_FAILURE]); 2617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11FCSErrorCount = 2618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_FCS_ERROR]); 2619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11RTSSuccessCount = 2620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_SUCCESS]); 2621a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2623a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2624a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2626a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2627a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 262855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_RADIO_CONTROL. 2629a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 263055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_radio_control { 2631a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2632a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2633a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 control; 2634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 radio_on; 2635ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2637c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhekstatic int 263855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekmwl8k_cmd_radio_control(struct ieee80211_hw *hw, bool enable, bool force) 2639a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 264155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_radio_control *cmd; 2642a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2644c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek if (enable == priv->radio_on && !force) 2645a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 2646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RADIO_CONTROL); 2652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 265468ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek cmd->control = cpu_to_le16(priv->radio_short_preamble ? 3 : 1); 2655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->radio_on = cpu_to_le16(enable ? 0x0001 : 0x0000); 2656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) 2661c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek priv->radio_on = enable; 2662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 266655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_radio_disable(struct ieee80211_hw *hw) 2667c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek{ 266855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_radio_control(hw, 0, 0); 2669c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek} 2670c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek 267155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_radio_enable(struct ieee80211_hw *hw) 2672c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek{ 267355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_radio_control(hw, 1, 0); 2674c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek} 2675c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek 2676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 2677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_set_radio_preamble(struct ieee80211_hw *hw, bool short_preamble) 2678a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 267999200a992e365a73dc67a6570524e5f3af4386ddLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2680a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 268168ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek priv->radio_short_preamble = short_preamble; 2682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 268355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_radio_control(hw, 1, 1); 2684a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2685a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2686a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 268755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_RF_TX_POWER. 2688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 268941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_RF_TX_POWER_LEVEL_TOTAL 8 2690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 269155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_rf_tx_power { 2692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2693a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2694a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 support_level; 2695a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 current_level; 2696a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 reserved; 269741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 power_level_list[MWL8K_RF_TX_POWER_LEVEL_TOTAL]; 2698ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2699a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 270055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_rf_tx_power(struct ieee80211_hw *hw, int dBm) 2701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 270255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_rf_tx_power *cmd; 2703a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2704a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2705a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2707a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2708a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2709a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RF_TX_POWER); 2710a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2711a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 2712a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->support_level = cpu_to_le16(dBm); 2713a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2714a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2715a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2716a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2717a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2719a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2720a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 272141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam * CMD_TX_POWER. 272241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam */ 272341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_TX_POWER_LEVEL_TOTAL 12 272441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 272541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadamstruct mwl8k_cmd_tx_power { 272641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam struct mwl8k_cmd_pkt header; 272741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 action; 272841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 band; 272941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 channel; 273041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 bw; 273141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 sub_ch; 273241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 power_level_list[MWL8K_TX_POWER_LEVEL_TOTAL]; 2733ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar} __packed; 273441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 273541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadamstatic int mwl8k_cmd_tx_power(struct ieee80211_hw *hw, 273641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam struct ieee80211_conf *conf, 273741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam unsigned short pwr) 273841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam{ 273941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam struct ieee80211_channel *channel = conf->channel; 274041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam struct mwl8k_cmd_tx_power *cmd; 274141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam int rc; 274241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam int i; 274341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 274441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 274541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam if (cmd == NULL) 274641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam return -ENOMEM; 274741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 274841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_TX_POWER); 274941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 275041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->action = cpu_to_le16(MWL8K_CMD_SET_LIST); 275141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 275241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam if (channel->band == IEEE80211_BAND_2GHZ) 275341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->band = cpu_to_le16(0x1); 275441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam else if (channel->band == IEEE80211_BAND_5GHZ) 275541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->band = cpu_to_le16(0x4); 275641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 275741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->channel = channel->hw_value; 275841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 275941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam if (conf->channel_type == NL80211_CHAN_NO_HT || 276041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam conf->channel_type == NL80211_CHAN_HT20) { 276141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->bw = cpu_to_le16(0x2); 276241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam } else { 276341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->bw = cpu_to_le16(0x4); 276441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam if (conf->channel_type == NL80211_CHAN_HT40MINUS) 276541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->sub_ch = cpu_to_le16(0x3); 276641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam else if (conf->channel_type == NL80211_CHAN_HT40PLUS) 276741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->sub_ch = cpu_to_le16(0x1); 276841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam } 276941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 277041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam for (i = 0; i < MWL8K_TX_POWER_LEVEL_TOTAL; i++) 277141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->power_level_list[i] = cpu_to_le16(pwr); 277241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 277341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam rc = mwl8k_post_cmd(hw, &cmd->header); 277441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam kfree(cmd); 277541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 277641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam return rc; 277741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam} 277841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 277941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam/* 278008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek * CMD_RF_ANTENNA. 278108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek */ 278208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhekstruct mwl8k_cmd_rf_antenna { 278308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek struct mwl8k_cmd_pkt header; 278408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek __le16 antenna; 278508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek __le16 mode; 2786ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 278708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 278808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek#define MWL8K_RF_ANTENNA_RX 1 278908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek#define MWL8K_RF_ANTENNA_TX 2 279008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 279108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhekstatic int 279208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhekmwl8k_cmd_rf_antenna(struct ieee80211_hw *hw, int antenna, int mask) 279308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek{ 279408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek struct mwl8k_cmd_rf_antenna *cmd; 279508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek int rc; 279608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 279708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 279808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek if (cmd == NULL) 279908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek return -ENOMEM; 280008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 280108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RF_ANTENNA); 280208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 280308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->antenna = cpu_to_le16(antenna); 280408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->mode = cpu_to_le16(mask); 280508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 280608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 280708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek kfree(cmd); 280808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 280908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek return rc; 281008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek} 281108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 281208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek/* 2813b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * CMD_SET_BEACON. 2814b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek */ 2815b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstruct mwl8k_cmd_set_beacon { 2816b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_pkt header; 2817b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek __le16 beacon_len; 2818b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek __u8 beacon[0]; 2819b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek}; 2820b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2821aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhekstatic int mwl8k_cmd_set_beacon(struct ieee80211_hw *hw, 2822aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek struct ieee80211_vif *vif, u8 *beacon, int len) 2823b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 2824b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_set_beacon *cmd; 2825b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rc; 2826b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2827b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd = kzalloc(sizeof(*cmd) + len, GFP_KERNEL); 2828b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (cmd == NULL) 2829b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return -ENOMEM; 2830b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2831b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_BEACON); 2832b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd) + len); 2833b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->beacon_len = cpu_to_le16(len); 2834b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek memcpy(cmd->beacon, beacon, len); 2835b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2836aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 2837b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek kfree(cmd); 2838b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2839b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return rc; 2840b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 2841b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2842b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek/* 2843a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_PRE_SCAN. 2844a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2845a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_pre_scan { 2846a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2847ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2848a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_pre_scan(struct ieee80211_hw *hw) 2850a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2851a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_pre_scan *cmd; 2852a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2853a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2854a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2855a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2856a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2857a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2858a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_PRE_SCAN); 2859a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2860a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2861a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2862a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2863a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2864a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2865a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2866a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2867a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2868a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_POST_SCAN. 2869a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2870a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_post_scan { 2871a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2872a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 isibss; 2873d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 bssid[ETH_ALEN]; 2874ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2875a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2876a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 28770a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhekmwl8k_cmd_set_post_scan(struct ieee80211_hw *hw, const __u8 *mac) 2878a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2879a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_post_scan *cmd; 2880a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2881a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2882a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2883a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2884a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2885a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2886a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_POST_SCAN); 2887a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2888a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->isibss = 0; 2889d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memcpy(cmd->bssid, mac, ETH_ALEN); 2890a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2891a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2892a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2893a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2895a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2896a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2897a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2898a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_RF_CHANNEL. 2899a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2900a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_rf_channel { 2901a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2902a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2903a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 current_channel; 2904a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 channel_flags; 2905ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2906a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2907a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_rf_channel(struct ieee80211_hw *hw, 2908610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek struct ieee80211_conf *conf) 2909a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2910610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek struct ieee80211_channel *channel = conf->channel; 2911a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_rf_channel *cmd; 2912a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2913a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2914a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2915a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2916a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2917a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2918a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RF_CHANNEL); 2919a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2920a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 2921a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->current_channel = channel->hw_value; 2922610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek 2923a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (channel->band == IEEE80211_BAND_2GHZ) 2924610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x00000001); 292542574ea2274ec0a2a9c58ab01be91b65e60a2291Lennert Buytenhek else if (channel->band == IEEE80211_BAND_5GHZ) 292642574ea2274ec0a2a9c58ab01be91b65e60a2291Lennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x00000004); 2927610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek 2928610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek if (conf->channel_type == NL80211_CHAN_NO_HT || 2929610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek conf->channel_type == NL80211_CHAN_HT20) 2930610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x00000080); 2931610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek else if (conf->channel_type == NL80211_CHAN_HT40MINUS) 2932610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x000001900); 2933610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek else if (conf->channel_type == NL80211_CHAN_HT40PLUS) 2934610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x000000900); 2935a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2936a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2937a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2938a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2939a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2940a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2941a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2942a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 294355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_AID. 2944a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 294555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_DISABLED 0x00 294655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_11G 0x07 294755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY 0x02 294855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_11N_HT_ALL 0x06 2949a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 295055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_update_set_aid { 295155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 295255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 aid; 2953a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 295455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* AP's MAC address (BSSID) */ 295555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 bssid[ETH_ALEN]; 295655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 protection_mode; 295755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 supp_rates[14]; 2958ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2959a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2960c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhekstatic void legacy_rate_mask_to_array(u8 *rates, u32 mask) 2961c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek{ 2962c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek int i; 2963c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek int j; 2964c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 2965c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek /* 2966c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek * Clear nonstandard rates 4 and 13. 2967c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek */ 2968c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek mask &= 0x1fef; 2969c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 2970c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek for (i = 0, j = 0; i < 14; i++) { 2971c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek if (mask & (1 << i)) 2972777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek rates[j++] = mwl8k_rates_24[i].hw_value; 2973c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek } 2974c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek} 2975c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 297655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int 2977c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhekmwl8k_cmd_set_aid(struct ieee80211_hw *hw, 2978c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek struct ieee80211_vif *vif, u32 legacy_rate_mask) 2979a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 298055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_update_set_aid *cmd; 298155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek u16 prot_mode; 2982a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2983a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2984a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2985a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2986a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2987a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 298855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_AID); 2989a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 29907dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek cmd->aid = cpu_to_le16(vif->bss_conf.aid); 29910a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhek memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 2992a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 29937dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek if (vif->bss_conf.use_cts_prot) { 299455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11G; 299555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } else { 29967dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek switch (vif->bss_conf.ht_operation_mode & 299755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek IEEE80211_HT_OP_MODE_PROTECTION) { 299855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: 299955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY; 300055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek break; 300155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: 300255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11N_HT_ALL; 300355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek break; 300455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek default: 300555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_DISABLED; 300655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek break; 300755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } 300855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } 300955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->protection_mode = cpu_to_le16(prot_mode); 3010a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3011c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek legacy_rate_mask_to_array(cmd->supp_rates, legacy_rate_mask); 3012a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3013a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3014a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3015a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3016a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3017a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3018a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3019a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 302055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_RATE. 302132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek */ 302255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_rate { 302355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 302455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 legacy_rates[14]; 302555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 302655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* Bitmap for supported MCS codes. */ 302755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 mcs_set[16]; 302855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 reserved[16]; 3029ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 303032060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 303155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int 3032c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhekmwl8k_cmd_set_rate(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 303313935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek u32 legacy_rate_mask, u8 *mcs_rates) 303432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek{ 303555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_rate *cmd; 303632060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek int rc; 303732060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 303832060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 303932060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek if (cmd == NULL) 304032060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek return -ENOMEM; 304132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 304255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATE); 304332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3044c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek legacy_rate_mask_to_array(cmd->legacy_rates, legacy_rate_mask); 304513935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(cmd->mcs_set, mcs_rates, 16); 304632060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 304732060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 304832060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek kfree(cmd); 304932060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 305032060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek return rc; 305132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek} 305232060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 305332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek/* 305455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_FINALIZE_JOIN. 3055a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 305655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FJ_BEACON_MAXLEN 128 305755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 305855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_finalize_join { 3059a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 306055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 sleep_interval; /* Number of beacon periods to sleep */ 306155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 beacon_data[MWL8K_FJ_BEACON_MAXLEN]; 3062ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3063a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 306455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_finalize_join(struct ieee80211_hw *hw, void *frame, 306555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int framelen, int dtim) 3066a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 306755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_finalize_join *cmd; 306855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct ieee80211_mgmt *payload = frame; 306955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int payload_len; 3070a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3071a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3072a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3073a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3074a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3075a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 307655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_FINALIZE_JOIN); 3077a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 307855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->sleep_interval = cpu_to_le32(dtim ? dtim : 1); 307955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 308055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek payload_len = framelen - ieee80211_hdrlen(payload->frame_control); 308155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (payload_len < 0) 308255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek payload_len = 0; 308355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek else if (payload_len > MWL8K_FJ_BEACON_MAXLEN) 308455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek payload_len = MWL8K_FJ_BEACON_MAXLEN; 308555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 308655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek memcpy(cmd->beacon_data, &payload->u.beacon, payload_len); 3087a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3088a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3089a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3090a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3091a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3092a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3093a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3094a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 309555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_RTS_THRESHOLD. 3096a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 309755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_rts_threshold { 3098a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 3099a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 310055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 threshold; 3101ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3102a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3103c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhekstatic int 3104c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhekmwl8k_cmd_set_rts_threshold(struct ieee80211_hw *hw, int rts_thresh) 3105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 310655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_rts_threshold *cmd; 3107a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3108a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3109a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3110a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3111a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3112a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 311355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RTS_THRESHOLD); 3114a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3115c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 3116c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek cmd->threshold = cpu_to_le16(rts_thresh); 3117a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3119a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3120a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3121a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3123a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3124a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 312555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_SLOT. 3126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 312755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_slot { 3128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 3129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 313055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 short_slot; 3131ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3132a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 313355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_slot(struct ieee80211_hw *hw, bool short_slot_time) 3134a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 313555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_slot *cmd; 3136a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3137a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3138a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3139a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3140a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3141a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 314255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_SLOT); 3143a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 314455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 314555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->short_slot = short_slot_time; 3146a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3147a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3149a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3150a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3151a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3153a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 3154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_EDCA_PARAMS. 3155a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 3156a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_edca_params { 3157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 3158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3159a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* See MWL8K_SET_EDCA_XXX below */ 3160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 3161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3162a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* TX opportunity in units of 32 us */ 3163a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 txop; 3164a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 31652e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek union { 31662e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek struct { 31672e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of max contention period: 0...15 */ 31682e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __le32 log_cw_max; 31692e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek 31702e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of min contention period: 0...15 */ 31712e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __le32 log_cw_min; 31722e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek 31732e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Adaptive interframe spacing in units of 32us */ 31742e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 aifs; 31752e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek 31762e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* TX queue to configure */ 31772e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 txq; 31782e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } ap; 31792e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek struct { 31802e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of max contention period: 0...15 */ 31812e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 log_cw_max; 3182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 31832e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of min contention period: 0...15 */ 31842e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 log_cw_min; 3185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 31862e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Adaptive interframe spacing in units of 32us */ 31872e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 aifs; 3188a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 31892e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* TX queue to configure */ 31902e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 txq; 31912e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } sta; 31922e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek }; 3193ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_CW 0x01 3196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_TXOP 0x02 3197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_AIFS 0x04 3198a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_ALL (MWL8K_SET_EDCA_CW | \ 3200a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_SET_EDCA_TXOP | \ 3201a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_SET_EDCA_AIFS) 3202a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3203a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 320455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekmwl8k_cmd_set_edca_params(struct ieee80211_hw *hw, __u8 qnum, 320555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u16 cw_min, __u16 cw_max, 320655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 aifs, __u16 txop) 3207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 32082e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3209a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_edca_params *cmd; 3210a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3211a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3212a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3214a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3215a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_EDCA_PARAMS); 3217a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3218a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_SET_EDCA_ALL); 3219a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->txop = cpu_to_le16(txop); 32202e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek if (priv->ap_fw) { 32212e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.log_cw_max = cpu_to_le32(ilog2(cw_max + 1)); 32222e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.log_cw_min = cpu_to_le32(ilog2(cw_min + 1)); 32232e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.aifs = aifs; 32242e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.txq = qnum; 32252e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } else { 32262e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.log_cw_max = (u8)ilog2(cw_max + 1); 32272e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.log_cw_min = (u8)ilog2(cw_min + 1); 32282e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.aifs = aifs; 32292e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.txq = qnum; 32302e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } 3231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 323955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_WMM_MODE. 3240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 324155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_wmm_mode { 3242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 324355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 action; 3244ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 324655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_wmm_mode(struct ieee80211_hw *hw, bool enable) 3247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 324855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 324955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_wmm_mode *cmd; 3250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3253a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 325655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_WMM_MODE); 3257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 325855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le16(!!enable); 3259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 326216cec43da50c4b4702653ca710549fd3457a4e6cLennert Buytenhek 326355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (!rc) 326455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek priv->wmm_enabled = enable; 3265a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3267a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 327055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_MIMO_CONFIG. 3271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 327255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_mimo_config { 327355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 327455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 action; 327555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 rx_antenna_map; 327655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 tx_antenna_map; 3277ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3278a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 327955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_mimo_config(struct ieee80211_hw *hw, __u8 rx, __u8 tx) 3280a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 328155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_mimo_config *cmd; 3282a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3283a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3284a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3285a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 328855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_MIMO_CONFIG); 3289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 329055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le32((u32)MWL8K_CMD_SET); 329155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->rx_antenna_map = rx; 329255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->tx_antenna_map = tx; 3293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3294a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3295a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3296a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3297a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3298a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3299a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3300a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 3301b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek * CMD_USE_FIXED_RATE (STA version). 3302a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 3303b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhekstruct mwl8k_cmd_use_fixed_rate_sta { 3304b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek struct mwl8k_cmd_pkt header; 3305b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 action; 3306b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 allow_rate_drop; 3307b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 num_rates; 3308b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek struct { 3309b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 is_ht_rate; 3310b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 enable_retry; 3311b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 rate; 3312b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 retry_count; 3313b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek } rate_entry[8]; 3314b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 rate_type; 3315b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 reserved1; 3316b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 reserved2; 3317ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3319b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek#define MWL8K_USE_AUTO_RATE 0x0002 3320b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek#define MWL8K_UCAST_RATE 0 3321a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3322b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhekstatic int mwl8k_cmd_use_fixed_rate_sta(struct ieee80211_hw *hw) 3323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3324b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek struct mwl8k_cmd_use_fixed_rate_sta *cmd; 3325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3329a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3331a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE); 3332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3333b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek cmd->action = cpu_to_le32(MWL8K_USE_AUTO_RATE); 3334b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek cmd->rate_type = cpu_to_le32(MWL8K_UCAST_RATE); 3335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 334255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 3343088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek * CMD_USE_FIXED_RATE (AP version). 3344088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek */ 3345088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhekstruct mwl8k_cmd_use_fixed_rate_ap { 3346088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek struct mwl8k_cmd_pkt header; 3347088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 action; 3348088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 allow_rate_drop; 3349088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 num_rates; 3350088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek struct mwl8k_rate_entry_ap { 3351088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 is_ht_rate; 3352088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 enable_retry; 3353088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 rate; 3354088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 retry_count; 3355088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek } rate_entry[4]; 3356088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek u8 multicast_rate; 3357088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek u8 multicast_rate_type; 3358088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek u8 management_rate; 3359ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3360088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3361088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhekstatic int 3362088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhekmwl8k_cmd_use_fixed_rate_ap(struct ieee80211_hw *hw, int mcast, int mgmt) 3363088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek{ 3364088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek struct mwl8k_cmd_use_fixed_rate_ap *cmd; 3365088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek int rc; 3366088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3367088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3368088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek if (cmd == NULL) 3369088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek return -ENOMEM; 3370088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3371088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE); 3372088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3373088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->action = cpu_to_le32(MWL8K_USE_AUTO_RATE); 3374088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->multicast_rate = mcast; 3375088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->management_rate = mgmt; 3376088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3377088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3378088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek kfree(cmd); 3379088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3380088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek return rc; 3381088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek} 3382088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3383088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek/* 338455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_ENABLE_SNIFFER. 338555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 338655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_enable_sniffer { 338755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 338855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 action; 3389ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 339055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 339155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_enable_sniffer(struct ieee80211_hw *hw, bool enable) 339255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 339355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_enable_sniffer *cmd; 339455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 339555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 339655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 339755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 339855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 339955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 340055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_ENABLE_SNIFFER); 340155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 340255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le32(!!enable); 340355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 340455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 340555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 340655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 340755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 340855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 340955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 341055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 341155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_MAC_ADDR. 341255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 341355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_mac_addr { 341455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 341555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek union { 341655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct { 341755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 mac_type; 341855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 mac_addr[ETH_ALEN]; 341955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } mbss; 342055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 mac_addr[ETH_ALEN]; 342155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek }; 3422ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 342355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 3424ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek#define MWL8K_MAC_TYPE_PRIMARY_CLIENT 0 3425ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek#define MWL8K_MAC_TYPE_SECONDARY_CLIENT 1 3426ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek#define MWL8K_MAC_TYPE_PRIMARY_AP 2 3427ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek#define MWL8K_MAC_TYPE_SECONDARY_AP 3 3428a9e00b151ec2121b7ae09d84a2b5a68b6461e98aLennert Buytenhek 3429aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhekstatic int mwl8k_cmd_set_mac_addr(struct ieee80211_hw *hw, 3430aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek struct ieee80211_vif *vif, u8 *mac) 343155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 343255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3433ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 343455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_mac_addr *cmd; 3435ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek int mac_type; 343655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 343755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 3438ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_PRIMARY_AP; 3439ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek if (vif != NULL && vif->type == NL80211_IFTYPE_STATION) { 3440ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek if (mwl8k_vif->macid + 1 == ffs(priv->sta_macids_supported)) 3441ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_PRIMARY_CLIENT; 3442ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek else 3443ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_SECONDARY_CLIENT; 3444ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek } else if (vif != NULL && vif->type == NL80211_IFTYPE_AP) { 3445ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek if (mwl8k_vif->macid + 1 == ffs(priv->ap_macids_supported)) 3446ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_PRIMARY_AP; 3447ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek else 3448ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_SECONDARY_AP; 3449ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek } 3450ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek 345155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 345255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 345355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 345455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 345555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_MAC_ADDR); 345655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 345755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (priv->ap_fw) { 3458ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek cmd->mbss.mac_type = cpu_to_le16(mac_type); 345955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek memcpy(cmd->mbss.mac_addr, mac, ETH_ALEN); 346055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } else { 346155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek memcpy(cmd->mac_addr, mac, ETH_ALEN); 346255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } 346355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 3464aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 346555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 346655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 346755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 346855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 346955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 347055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 347155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_RATEADAPT_MODE. 347255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 347355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_rate_adapt_mode { 347455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 347555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 action; 347655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 mode; 3477ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 347855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 347955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_rateadapt_mode(struct ieee80211_hw *hw, __u16 mode) 348055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 348155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_rate_adapt_mode *cmd; 348255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 348355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 348455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 348555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 348655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 348755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 348855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATEADAPT_MODE); 348955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 349055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 349155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->mode = cpu_to_le16(mode); 349255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 349355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 349455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 349555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 349655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 349755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 349855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 349955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 35003aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam * CMD_GET_WATCHDOG_BITMAP. 35013aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam */ 35023aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadamstruct mwl8k_cmd_get_watchdog_bitmap { 35033aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam struct mwl8k_cmd_pkt header; 35043aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam u8 bitmap; 35053aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam} __packed; 35063aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35073aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadamstatic int mwl8k_cmd_get_watchdog_bitmap(struct ieee80211_hw *hw, u8 *bitmap) 35083aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam{ 35093aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam struct mwl8k_cmd_get_watchdog_bitmap *cmd; 35103aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam int rc; 35113aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35123aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 35133aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (cmd == NULL) 35143aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam return -ENOMEM; 35153aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35163aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_WATCHDOG_BITMAP); 35173aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 35183aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35193aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam rc = mwl8k_post_cmd(hw, &cmd->header); 35203aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (!rc) 35213aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam *bitmap = cmd->bitmap; 35223aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35233aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam kfree(cmd); 35243aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35253aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam return rc; 35263aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam} 35273aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35283aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam#define INVALID_BA 0xAA 35293aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadamstatic void mwl8k_watchdog_ba_events(struct work_struct *work) 35303aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam{ 35313aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam int rc; 35323aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam u8 bitmap = 0, stream_index; 35333aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam struct mwl8k_ampdu_stream *streams; 35343aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam struct mwl8k_priv *priv = 35353aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam container_of(work, struct mwl8k_priv, watchdog_ba_handle); 35363aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35373aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam rc = mwl8k_cmd_get_watchdog_bitmap(priv->hw, &bitmap); 35383aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (rc) 35393aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam return; 35403aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35413aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (bitmap == INVALID_BA) 35423aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam return; 35433aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35443aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam /* the bitmap is the hw queue number. Map it to the ampdu queue. */ 35453aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam stream_index = bitmap - MWL8K_TX_WMM_QUEUES; 35463aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35473aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam BUG_ON(stream_index >= priv->num_ampdu_queues); 35483aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35493aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam streams = &priv->ampdu[stream_index]; 35503aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35513aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (streams->state == AMPDU_STREAM_ACTIVE) 35523aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam ieee80211_stop_tx_ba_session(streams->sta, streams->tid); 35533aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35543aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam return; 35553aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam} 35563aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35573aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35583aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam/* 3559b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * CMD_BSS_START. 3560b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek */ 3561b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstruct mwl8k_cmd_bss_start { 3562b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_pkt header; 3563b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek __le32 enable; 3564ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3565b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3566aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhekstatic int mwl8k_cmd_bss_start(struct ieee80211_hw *hw, 3567aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek struct ieee80211_vif *vif, int enable) 3568b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 3569b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_bss_start *cmd; 3570b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rc; 3571b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3572b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3573b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (cmd == NULL) 3574b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return -ENOMEM; 3575b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3576b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_BSS_START); 3577b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3578b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->enable = cpu_to_le32(enable); 3579b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3580aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 3581b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek kfree(cmd); 3582b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3583b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return rc; 3584b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 3585b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3586b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek/* 35875faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam * CMD_BASTREAM. 35885faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam */ 35895faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 35905faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam/* 35915faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam * UPSTREAM is tx direction 35925faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam */ 35935faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam#define BASTREAM_FLAG_DIRECTION_UPSTREAM 0x00 35945faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam#define BASTREAM_FLAG_IMMEDIATE_TYPE 0x01 35955faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 3596ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powarenum ba_stream_action_type { 35975faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_CREATE, 35985faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_UPDATE, 35995faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_DESTROY, 36005faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_FLUSH, 36015faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_CHECK, 3602ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar}; 36035faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36045faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36055faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstruct mwl8k_create_ba_stream { 36065faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 flags; 36075faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 idle_thrs; 36085faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 bar_thrs; 36095faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 window_size; 36105faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 peer_mac_addr[6]; 36115faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 dialog_token; 36125faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 tid; 36135faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 queue_id; 36145faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 param_info; 36155faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 ba_context; 36165faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 reset_seq_no_flag; 36175faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le16 curr_seq_no; 36185faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 sta_src_mac_addr[6]; 36195faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} __packed; 36205faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36215faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstruct mwl8k_destroy_ba_stream { 36225faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 flags; 36235faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 ba_context; 36245faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} __packed; 36255faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36265faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstruct mwl8k_cmd_bastream { 36275faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_cmd_pkt header; 36285faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 action; 36295faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam union { 36305faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_create_ba_stream create_params; 36315faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_destroy_ba_stream destroy_params; 36325faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam }; 36335faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} __packed; 36345faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36355faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstatic int 36365faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadammwl8k_check_ba(struct ieee80211_hw *hw, struct mwl8k_ampdu_stream *stream) 36375faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam{ 36385faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_cmd_bastream *cmd; 36395faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam int rc; 36405faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36415faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 36425faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam if (cmd == NULL) 36435faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return -ENOMEM; 36445faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36455faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_BASTREAM); 36465faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 36475faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36485faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_BA_CHECK); 36495faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36505faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.queue_id = stream->idx; 36515faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam memcpy(&cmd->create_params.peer_mac_addr[0], stream->sta->addr, 36525faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam ETH_ALEN); 36535faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.tid = stream->tid; 36545faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36555faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.flags = 36565faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cpu_to_le32(BASTREAM_FLAG_IMMEDIATE_TYPE) | 36575faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cpu_to_le32(BASTREAM_FLAG_DIRECTION_UPSTREAM); 36585faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36595faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam rc = mwl8k_post_cmd(hw, &cmd->header); 36605faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36615faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam kfree(cmd); 36625faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36635faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return rc; 36645faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} 36655faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36665faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstatic int 36675faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadammwl8k_create_ba(struct ieee80211_hw *hw, struct mwl8k_ampdu_stream *stream, 36685faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 buf_size) 36695faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam{ 36705faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_cmd_bastream *cmd; 36715faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam int rc; 36725faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36735faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 36745faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam if (cmd == NULL) 36755faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return -ENOMEM; 36765faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36775faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36785faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_BASTREAM); 36795faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 36805faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36815faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_BA_CREATE); 36825faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36835faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.bar_thrs = cpu_to_le32((u32)buf_size); 36845faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.window_size = cpu_to_le32((u32)buf_size); 36855faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.queue_id = stream->idx; 36865faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36875faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam memcpy(cmd->create_params.peer_mac_addr, stream->sta->addr, ETH_ALEN); 36885faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.tid = stream->tid; 36895faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.curr_seq_no = cpu_to_le16(0); 36905faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.reset_seq_no_flag = 1; 36915faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36925faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.param_info = 36935faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam (stream->sta->ht_cap.ampdu_factor & 36945faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam IEEE80211_HT_AMPDU_PARM_FACTOR) | 36955faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam ((stream->sta->ht_cap.ampdu_density << 2) & 36965faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam IEEE80211_HT_AMPDU_PARM_DENSITY); 36975faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36985faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.flags = 36995faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cpu_to_le32(BASTREAM_FLAG_IMMEDIATE_TYPE | 37005faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam BASTREAM_FLAG_DIRECTION_UPSTREAM); 37015faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37025faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam rc = mwl8k_post_cmd(hw, &cmd->header); 37035faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37045faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam wiphy_debug(hw->wiphy, "Created a BA stream for %pM : tid %d\n", 37055faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam stream->sta->addr, stream->tid); 37065faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam kfree(cmd); 37075faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37085faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return rc; 37095faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} 37105faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37115faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstatic void mwl8k_destroy_ba(struct ieee80211_hw *hw, 37125faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_ampdu_stream *stream) 37135faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam{ 37145faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_cmd_bastream *cmd; 37155faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37165faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 37175faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam if (cmd == NULL) 37185faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return; 37195faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37205faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_BASTREAM); 37215faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 37225faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_BA_DESTROY); 37235faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37245faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->destroy_params.ba_context = cpu_to_le32(stream->idx); 37255faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam mwl8k_post_cmd(hw, &cmd->header); 37265faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37275faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam wiphy_debug(hw->wiphy, "Deleted BA stream index %d\n", stream->idx); 37285faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37295faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam kfree(cmd); 37305faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} 37315faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37325faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam/* 37333f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek * CMD_SET_NEW_STN. 37343f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek */ 37353f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhekstruct mwl8k_cmd_set_new_stn { 37363f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct mwl8k_cmd_pkt header; 37373f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 aid; 37383f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 mac_addr[6]; 37393f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 stn_id; 37403f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 action; 37413f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 rsvd; 37423f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le32 legacy_rates; 37433f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 ht_rates[4]; 37443f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 cap_info; 37453f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 ht_capabilities_info; 37463f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 mac_ht_param_info; 37473f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 rev; 37483f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 control_channel; 37493f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 add_channel; 37503f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 op_mode; 37513f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 stbc; 37523f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 add_qos_info; 37533f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 is_qos_sta; 37543f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le32 fw_sta_ptr; 3755ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 37563f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 37573f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek#define MWL8K_STA_ACTION_ADD 0 37583f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek#define MWL8K_STA_ACTION_REMOVE 2 37593f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 37603f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhekstatic int mwl8k_cmd_set_new_stn_add(struct ieee80211_hw *hw, 37613f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct ieee80211_vif *vif, 37623f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct ieee80211_sta *sta) 37633f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek{ 37643f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct mwl8k_cmd_set_new_stn *cmd; 37658707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek u32 rates; 37663f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek int rc; 37673f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 37683f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 37693f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek if (cmd == NULL) 37703f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek return -ENOMEM; 37713f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 37723f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_NEW_STN); 37733f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 37743f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->aid = cpu_to_le16(sta->aid); 37753f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek memcpy(cmd->mac_addr, sta->addr, ETH_ALEN); 37763f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->stn_id = cpu_to_le16(sta->aid); 37773f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_STA_ACTION_ADD); 37788707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek if (hw->conf.channel->band == IEEE80211_BAND_2GHZ) 37798707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rates = sta->supp_rates[IEEE80211_BAND_2GHZ]; 37808707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek else 37818707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rates = sta->supp_rates[IEEE80211_BAND_5GHZ] << 5; 37828707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek cmd->legacy_rates = cpu_to_le32(rates); 37833f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek if (sta->ht_cap.ht_supported) { 37843f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_rates[0] = sta->ht_cap.mcs.rx_mask[0]; 37853f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_rates[1] = sta->ht_cap.mcs.rx_mask[1]; 37863f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_rates[2] = sta->ht_cap.mcs.rx_mask[2]; 37873f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_rates[3] = sta->ht_cap.mcs.rx_mask[3]; 37883f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_capabilities_info = cpu_to_le16(sta->ht_cap.cap); 37893f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->mac_ht_param_info = (sta->ht_cap.ampdu_factor & 3) | 37903f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek ((sta->ht_cap.ampdu_density & 7) << 2); 37913f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->is_qos_sta = 1; 37923f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek } 37933f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 3794aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 37953f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek kfree(cmd); 37963f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 37973f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek return rc; 37983f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek} 37993f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 3800b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstatic int mwl8k_cmd_set_new_stn_add_self(struct ieee80211_hw *hw, 3801b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct ieee80211_vif *vif) 3802b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 3803b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_set_new_stn *cmd; 3804b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rc; 3805b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3806b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3807b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (cmd == NULL) 3808b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return -ENOMEM; 3809b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3810b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_NEW_STN); 3811b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3812b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek memcpy(cmd->mac_addr, vif->addr, ETH_ALEN); 3813b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3814aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 3815b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek kfree(cmd); 3816b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3817b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return rc; 3818b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 3819b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 38203f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhekstatic int mwl8k_cmd_set_new_stn_del(struct ieee80211_hw *hw, 38213f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct ieee80211_vif *vif, u8 *addr) 38223f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek{ 38233f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct mwl8k_cmd_set_new_stn *cmd; 38243f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek int rc; 38253f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 38263f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 38273f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek if (cmd == NULL) 38283f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek return -ENOMEM; 38293f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 38303f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_NEW_STN); 38313f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 38323f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek memcpy(cmd->mac_addr, addr, ETH_ALEN); 38333f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_STA_ACTION_REMOVE); 38343f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 3835aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 38363f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek kfree(cmd); 38373f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 38383f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek return rc; 38393f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek} 38403f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 38413f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek/* 3842fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam * CMD_UPDATE_ENCRYPTION. 3843fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam */ 3844fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3845fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MAX_ENCR_KEY_LENGTH 16 3846fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MIC_KEY_LENGTH 8 3847fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3848fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstruct mwl8k_cmd_update_encryption { 3849fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_pkt header; 3850fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3851fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 action; 3852fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 reserved; 3853fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 mac_addr[6]; 3854fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 encr_type; 3855fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3856ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar} __packed; 3857fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3858fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstruct mwl8k_cmd_set_key { 3859fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_pkt header; 3860fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3861fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 action; 3862fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 reserved; 3863fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 length; 3864fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 key_type_id; 3865fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 key_info; 3866fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 key_id; 3867fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 key_len; 3868fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 key_material[MAX_ENCR_KEY_LENGTH]; 3869fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 tkip_tx_mic_key[MIC_KEY_LENGTH]; 3870fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 tkip_rx_mic_key[MIC_KEY_LENGTH]; 3871fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 tkip_rsc_low; 3872fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 tkip_rsc_high; 3873fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 tkip_tsc_low; 3874fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 tkip_tsc_high; 3875fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 mac_addr[6]; 3876ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar} __packed; 3877fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3878fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamenum { 3879fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ENCR_ENABLE, 3880fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ENCR_SET_KEY, 3881fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ENCR_REMOVE_KEY, 3882fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ENCR_SET_GROUP_KEY, 3883fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam}; 3884fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3885fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_WEP 0 3886fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_DISABLE 1 3887fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_TKIP 4 3888fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_MIXED 7 3889fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_AES 8 3890fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3891fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamenum { 3892fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ALG_WEP, 3893fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ALG_TKIP, 3894fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ALG_CCMP, 3895fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam}; 3896fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3897fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_TXGROUPKEY 0x00000004 3898fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_PAIRWISE 0x00000008 3899fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_TSC_VALID 0x00000040 3900fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_WEP_TXKEY 0x01000000 3901fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_MICKEY_VALID 0x02000000 3902fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3903fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_cmd_update_encryption_enable(struct ieee80211_hw *hw, 3904fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_vif *vif, 3905fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr, 3906fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 encr_type) 3907fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 3908fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_update_encryption *cmd; 3909fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int rc; 3910fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3911fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3912fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (cmd == NULL) 3913fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -ENOMEM; 3914fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3915fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_ENCRYPTION); 3916fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3917fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_ENCR_ENABLE); 3918fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam memcpy(cmd->mac_addr, addr, ETH_ALEN); 3919fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->encr_type = encr_type; 3920fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3921fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 3922fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam kfree(cmd); 3923fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3924fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return rc; 3925fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 3926fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3927fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_encryption_set_cmd_info(struct mwl8k_cmd_set_key *cmd, 3928fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr, 3929fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key) 3930fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 3931fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_ENCRYPTION); 3932fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3933fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->length = cpu_to_le16(sizeof(*cmd) - 3934fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam offsetof(struct mwl8k_cmd_set_key, length)); 3935fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_id = cpu_to_le32(key->keyidx); 3936fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_len = cpu_to_le16(key->keylen); 3937fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam memcpy(cmd->mac_addr, addr, ETH_ALEN); 3938fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3939fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam switch (key->cipher) { 3940fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_WEP40: 3941fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_WEP104: 3942fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_type_id = cpu_to_le16(MWL8K_ALG_WEP); 3943fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (key->keyidx == 0) 3944fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_info = cpu_to_le32(MWL8K_KEY_FLAG_WEP_TXKEY); 3945fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3946fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 3947fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_TKIP: 3948fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_type_id = cpu_to_le16(MWL8K_ALG_TKIP); 3949fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_info = (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 3950fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam ? cpu_to_le32(MWL8K_KEY_FLAG_PAIRWISE) 3951fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam : cpu_to_le32(MWL8K_KEY_FLAG_TXGROUPKEY); 3952fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_info |= cpu_to_le32(MWL8K_KEY_FLAG_MICKEY_VALID 3953fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam | MWL8K_KEY_FLAG_TSC_VALID); 3954fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 3955fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_CCMP: 3956fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_type_id = cpu_to_le16(MWL8K_ALG_CCMP); 3957fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_info = (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 3958fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam ? cpu_to_le32(MWL8K_KEY_FLAG_PAIRWISE) 3959fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam : cpu_to_le32(MWL8K_KEY_FLAG_TXGROUPKEY); 3960fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 3961fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam default: 3962fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -ENOTSUPP; 3963fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } 3964fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3965fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return 0; 3966fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 3967fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3968fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_cmd_encryption_set_key(struct ieee80211_hw *hw, 3969fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_vif *vif, 3970fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr, 3971fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key) 3972fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 3973fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_set_key *cmd; 3974fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int rc; 3975fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int keymlen; 3976fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u32 action; 3977fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 idx; 3978fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 3979fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3980fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3981fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (cmd == NULL) 3982fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -ENOMEM; 3983fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3984fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_encryption_set_cmd_info(cmd, addr, key); 3985fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc < 0) 3986fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto done; 3987fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3988fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam idx = key->keyidx; 3989fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3990fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 3991fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam action = MWL8K_ENCR_SET_KEY; 3992fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam else 3993fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam action = MWL8K_ENCR_SET_GROUP_KEY; 3994fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3995fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam switch (key->cipher) { 3996fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_WEP40: 3997fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_WEP104: 3998fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (!mwl8k_vif->wep_key_conf[idx].enabled) { 3999fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam memcpy(mwl8k_vif->wep_key_conf[idx].key, key, 4000fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam sizeof(*key) + key->keylen); 4001fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam mwl8k_vif->wep_key_conf[idx].enabled = 1; 4002fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } 4003fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 40049b571e24a9922f79ed2440b4482cb9f11a8f1889Yogesh Ashok Powar keymlen = key->keylen; 4005fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam action = MWL8K_ENCR_SET_KEY; 4006fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4007fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_TKIP: 4008fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam keymlen = MAX_ENCR_KEY_LENGTH + 2 * MIC_KEY_LENGTH; 4009fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4010fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_CCMP: 4011fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam keymlen = key->keylen; 4012fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4013fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam default: 4014fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = -ENOTSUPP; 4015fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto done; 4016fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } 4017fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4018fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam memcpy(cmd->key_material, key->key, keymlen); 4019fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->action = cpu_to_le32(action); 4020fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4021fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 4022fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamdone: 4023fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam kfree(cmd); 4024fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4025fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return rc; 4026fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 4027fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4028fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_cmd_encryption_remove_key(struct ieee80211_hw *hw, 4029fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_vif *vif, 4030fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr, 4031fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key) 4032fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 4033fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_set_key *cmd; 4034fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int rc; 4035fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 4036fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4037fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4038fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (cmd == NULL) 4039fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -ENOMEM; 4040fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4041fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_encryption_set_cmd_info(cmd, addr, key); 4042fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc < 0) 4043fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto done; 4044fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4045fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (key->cipher == WLAN_CIPHER_SUITE_WEP40 || 4046fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam WLAN_CIPHER_SUITE_WEP104) 4047fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam mwl8k_vif->wep_key_conf[key->keyidx].enabled = 0; 4048fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4049fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_ENCR_REMOVE_KEY); 4050fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4051fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 4052fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamdone: 4053fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam kfree(cmd); 4054fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4055fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return rc; 4056fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 4057fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4058fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_set_key(struct ieee80211_hw *hw, 4059fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam enum set_key_cmd cmd_param, 4060fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_vif *vif, 4061fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_sta *sta, 4062fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key) 4063fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 4064fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int rc = 0; 4065fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 encr_type; 4066fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr; 4067fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 4068fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4069fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (vif->type == NL80211_IFTYPE_STATION) 4070fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -EOPNOTSUPP; 4071fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4072fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (sta == NULL) 4073fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam addr = hw->wiphy->perm_addr; 4074fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam else 4075fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam addr = sta->addr; 4076fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4077fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (cmd_param == SET_KEY) { 4078fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_cmd_encryption_set_key(hw, vif, addr, key); 4079fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc) 4080fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto out; 4081fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4082fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if ((key->cipher == WLAN_CIPHER_SUITE_WEP40) 4083fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam || (key->cipher == WLAN_CIPHER_SUITE_WEP104)) 4084fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam encr_type = MWL8K_UPDATE_ENCRYPTION_TYPE_WEP; 4085fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam else 4086fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam encr_type = MWL8K_UPDATE_ENCRYPTION_TYPE_MIXED; 4087fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4088fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_cmd_update_encryption_enable(hw, vif, addr, 4089fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam encr_type); 4090fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc) 4091fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto out; 4092fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4093fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam mwl8k_vif->is_hw_crypto_enabled = true; 4094fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4095fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } else { 4096fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_cmd_encryption_remove_key(hw, vif, addr, key); 4097fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4098fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc) 4099fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto out; 4100fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } 4101fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamout: 4102fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return rc; 4103fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 4104fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4105fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam/* 410655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_UPDATE_STADB. 410755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 410825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhekstruct ewc_ht_info { 410925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 control1; 411025d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 control2; 411125d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 control3; 4112ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 411325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 411425d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhekstruct peer_capability_info { 411525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Peer type - AP vs. STA. */ 411625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 peer_type; 411725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 411825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Basic 802.11 capabilities from assoc resp. */ 411925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 basic_caps; 412025d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 412125d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Set if peer supports 802.11n high throughput (HT). */ 412225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 ht_support; 412325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 412425d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Valid if HT is supported. */ 412525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 ht_caps; 412625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 extended_ht_caps; 412725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek struct ewc_ht_info ewc_info; 412825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 412925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Legacy rate table. Intersection of our rates and peer rates. */ 413025d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 legacy_rates[12]; 413125d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 413225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* HT rate table. Intersection of our rates and peer rates. */ 413325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 ht_rates[16]; 413425d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 pad[16]; 413525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 413625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* If set, interoperability mode, no proprietary extensions. */ 413725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 interop; 413825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 pad2; 413925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 station_id; 414025d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 amsdu_enabled; 4141ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 414225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 414355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_update_stadb { 414455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 414555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 414655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* See STADB_ACTION_TYPE */ 414755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 action; 414855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 414955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* Peer MAC address */ 415055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 peer_addr[ETH_ALEN]; 415155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 415255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 reserved; 415355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 415455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* Peer info - valid during add/update. */ 415555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct peer_capability_info peer_info; 4156ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 415755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 4158a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_STA_DB_MODIFY_ENTRY 1 4159a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_STA_DB_DEL_ENTRY 2 4160a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4161a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek/* Peer Entry flags - used to define the type of the peer node */ 4162a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_PEER_TYPE_ACCESSPOINT 2 4163a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4164a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhekstatic int mwl8k_cmd_update_stadb_add(struct ieee80211_hw *hw, 4165c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek struct ieee80211_vif *vif, 416613935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek struct ieee80211_sta *sta) 416755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 416855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_update_stadb *cmd; 4169a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct peer_capability_info *p; 41708707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek u32 rates; 417155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 417255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 417355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 417455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 417555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 417655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 417755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_STADB); 417855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 4179a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->action = cpu_to_le32(MWL8K_STA_DB_MODIFY_ENTRY); 418013935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(cmd->peer_addr, sta->addr, ETH_ALEN); 418155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 4182a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p = &cmd->peer_info; 4183a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->peer_type = MWL8K_PEER_TYPE_ACCESSPOINT; 4184a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->basic_caps = cpu_to_le16(vif->bss_conf.assoc_capability); 418513935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek p->ht_support = sta->ht_cap.ht_supported; 4186b603742f49c3ec922522602e18ac22e8f6835132John W. Linville p->ht_caps = cpu_to_le16(sta->ht_cap.cap); 418713935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek p->extended_ht_caps = (sta->ht_cap.ampdu_factor & 3) | 418813935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek ((sta->ht_cap.ampdu_density & 7) << 2); 41898707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek if (hw->conf.channel->band == IEEE80211_BAND_2GHZ) 41908707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rates = sta->supp_rates[IEEE80211_BAND_2GHZ]; 41918707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek else 41928707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rates = sta->supp_rates[IEEE80211_BAND_5GHZ] << 5; 41938707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek legacy_rate_mask_to_array(p->legacy_rates, rates); 419413935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(p->ht_rates, sta->ht_cap.mcs.rx_mask, 16); 4195a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->interop = 1; 4196a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->amsdu_enabled = 0; 4197a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4198a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 4199a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek kfree(cmd); 4200a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4201a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek return rc ? rc : p->station_id; 4202a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek} 4203a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4204a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhekstatic int mwl8k_cmd_update_stadb_del(struct ieee80211_hw *hw, 4205a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct ieee80211_vif *vif, u8 *addr) 4206a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek{ 4207a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct mwl8k_cmd_update_stadb *cmd; 4208a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek int rc; 4209a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4210a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4211a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek if (cmd == NULL) 4212a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek return -ENOMEM; 4213a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4214a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_STADB); 4215a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 4216a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->action = cpu_to_le32(MWL8K_STA_DB_DEL_ENTRY); 4217bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek memcpy(cmd->peer_addr, addr, ETH_ALEN); 421855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 4219a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 422055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 422155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 422255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 422355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 422455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 4225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 4227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Interrupt handling. 4228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 4229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic irqreturn_t mwl8k_interrupt(int irq, void *dev_id) 4230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = dev_id; 4232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 status; 4234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = ioread32(priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 4236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!status) 4237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return IRQ_NONE; 4238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 42391e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek if (status & MWL8K_A2H_INT_TX_DONE) { 42401e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek status &= ~MWL8K_A2H_INT_TX_DONE; 42411e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_schedule(&priv->poll_tx_task); 42421e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek } 42431e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 4244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_RX_READY) { 424567e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek status &= ~MWL8K_A2H_INT_RX_READY; 424667e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_schedule(&priv->poll_rx_task); 4247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 42493aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (status & MWL8K_A2H_INT_BA_WATCHDOG) { 42503aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam status &= ~MWL8K_A2H_INT_BA_WATCHDOG; 42513aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam ieee80211_queue_work(hw, &priv->watchdog_ba_handle); 42523aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam } 42533aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 425467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek if (status) 425567e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek iowrite32(~status, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 425667e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 4257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_OPC_DONE) { 4258618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (priv->hostcmd_wait != NULL) 4259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek complete(priv->hostcmd_wait); 4260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_QUEUE_EMPTY) { 4263618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (!mutex_is_locked(&priv->fw_mutex) && 426488de754ad59025eba797e7a8375807755577f450Lennert Buytenhek priv->radio_on && priv->pending_tx_pkts) 4265618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mwl8k_tx_start(priv); 4266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4267a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return IRQ_HANDLED; 4269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4270a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 42711e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhekstatic void mwl8k_tx_poll(unsigned long data) 42721e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek{ 42731e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek struct ieee80211_hw *hw = (struct ieee80211_hw *)data; 42741e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 42751e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek int limit; 42761e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek int i; 42771e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 42781e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek limit = 32; 42791e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 42801e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek spin_lock_bh(&priv->tx_lock); 42811e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 4282e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 42831e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek limit -= mwl8k_txq_reclaim(hw, i, limit, 0); 42841e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 42851e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek if (!priv->pending_tx_pkts && priv->tx_wait != NULL) { 42861e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek complete(priv->tx_wait); 42871e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek priv->tx_wait = NULL; 42881e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek } 42891e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 42901e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 42911e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 42921e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek if (limit) { 42931e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek writel(~MWL8K_A2H_INT_TX_DONE, 42941e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 42951e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek } else { 42961e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_schedule(&priv->poll_tx_task); 42971e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek } 42981e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek} 42991e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 430067e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhekstatic void mwl8k_rx_poll(unsigned long data) 430167e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek{ 430267e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek struct ieee80211_hw *hw = (struct ieee80211_hw *)data; 430367e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 430467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek int limit; 430567e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 430667e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek limit = 32; 430767e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek limit -= rxq_process(hw, 0, limit); 430867e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek limit -= rxq_refill(hw, 0, limit); 430967e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 431067e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek if (limit) { 431167e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek writel(~MWL8K_A2H_INT_RX_READY, 431267e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 431367e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek } else { 431467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_schedule(&priv->poll_rx_task); 431567e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek } 431667e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek} 431767e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 4318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4319a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 4320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Core driver operations. 4321a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 43227bb4568372856688bc070917265bce0b88bb7d4dJohannes Bergstatic void mwl8k_tx(struct ieee80211_hw *hw, struct sk_buff *skb) 4323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int index = skb_get_queue_mapping(skb); 4326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 43279189c10087a738c764046fa27651d332594cd8e6Lennert Buytenhek if (!priv->radio_on) { 4328c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_debug(hw->wiphy, 4329c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "dropped TX frame since radio disabled\n"); 4330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(skb); 43317bb4568372856688bc070917265bce0b88bb7d4dJohannes Berg return; 4332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 43347bb4568372856688bc070917265bce0b88bb7d4dJohannes Berg mwl8k_txq_xmit(hw, index, skb); 4335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_start(struct ieee80211_hw *hw) 4338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 4341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4342a0607fd3a25ba1848a63a0d925e36d914735ab47Joe Perches rc = request_irq(priv->pdev->irq, mwl8k_interrupt, 4343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IRQF_SHARED, MWL8K_NAME, hw); 4344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 4345bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo priv->irq = -1; 43465db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to register IRQ handler\n"); 43472ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek return -EIO; 4348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4349bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo priv->irq = priv->pdev->irq; 4350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 435167e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek /* Enable TX reclaim and RX tasklets. */ 43521e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_enable(&priv->poll_tx_task); 435367e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_enable(&priv->poll_rx_task); 43542ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 4355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Enable interrupts */ 4356c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 435712488e01fb2b06bb3f6ee137efc88e29d827817eNishant Sarmukadam iowrite32(MWL8K_A2H_EVENTS, 435812488e01fb2b06bb3f6ee137efc88e29d827817eNishant Sarmukadam priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 4359a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 43602ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_fw_lock(hw); 43612ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) { 436255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_radio_enable(hw); 4363a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 43645e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!priv->ap_fw) { 43655e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!rc) 436655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_enable_sniffer(hw, 0); 4367a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 43685e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!rc) 43695e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek rc = mwl8k_cmd_set_pre_scan(hw); 43705e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek 43715e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!rc) 43725e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek rc = mwl8k_cmd_set_post_scan(hw, 43735e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek "\x00\x00\x00\x00\x00\x00"); 43745e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek } 43752ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 43762ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 437755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_rateadapt_mode(hw, 0); 4378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 43792ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 438055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_wmm_mode(hw, 0); 4381a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 43822ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek mwl8k_fw_unlock(hw); 43832ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek } 43842ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 43852ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (rc) { 43862ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 43872ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek free_irq(priv->pdev->irq, hw); 4388bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo priv->irq = -1; 43891e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_disable(&priv->poll_tx_task); 439067e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_disable(&priv->poll_rx_task); 43912ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek } 4392a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4393a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 4394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_stop(struct ieee80211_hw *hw) 4397a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 4400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 440155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek mwl8k_cmd_radio_disable(hw); 4402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queues(hw); 4404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4405a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable interrupts */ 4406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 4407bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo if (priv->irq != -1) { 4408bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo free_irq(priv->pdev->irq, hw); 4409bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo priv->irq = -1; 4410bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo } 4411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop finalize join worker */ 4413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cancel_work_sync(&priv->finalize_join_worker); 44143aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam cancel_work_sync(&priv->watchdog_ba_handle); 4415a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->beacon_skb != NULL) 4416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(priv->beacon_skb); 4417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 441867e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek /* Stop TX reclaim and RX tasklets. */ 44191e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_disable(&priv->poll_tx_task); 442067e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_disable(&priv->poll_rx_task); 4421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Return all skbs to mac80211 */ 4423e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 4424efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek mwl8k_txq_reclaim(hw, i, INT_MAX, 1); 4425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 44270863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolostatic int mwl8k_reload_firmware(struct ieee80211_hw *hw, char *fw_image); 44280863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo 4429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_add_interface(struct ieee80211_hw *hw, 4430f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct ieee80211_vif *vif) 4431a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4432a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4433a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mwl8k_vif; 4434ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek u32 macids_supported; 44350863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo int macid, rc; 44360863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo struct mwl8k_device_info *di; 4437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 4439a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Reject interface creation if sniffer mode is active, as 4440a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * STA operation is mutually exclusive with hardware sniffer 4441b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * mode. (Sniffer mode is only used on STA firmware.) 4442a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 4443a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (priv->sniffer_enabled) { 4444c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_info(hw->wiphy, 4445c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "unable to create STA interface because sniffer mode is enabled\n"); 4446a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return -EINVAL; 4447a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 4448a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 44490863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo di = priv->device_info; 4450ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek switch (vif->type) { 4451ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek case NL80211_IFTYPE_AP: 44520863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (!priv->ap_fw && di->fw_image_ap) { 44530863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo /* we must load the ap fw to meet this request */ 44540863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (!list_empty(&priv->vif_list)) 44550863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo return -EBUSY; 44560863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo rc = mwl8k_reload_firmware(hw, di->fw_image_ap); 44570863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (rc) 44580863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo return rc; 44590863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo } 4460ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek macids_supported = priv->ap_macids_supported; 4461ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek break; 4462ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek case NL80211_IFTYPE_STATION: 44630863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (priv->ap_fw && di->fw_image_sta) { 44640863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo /* we must load the sta fw to meet this request */ 44650863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (!list_empty(&priv->vif_list)) 44660863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo return -EBUSY; 44670863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo rc = mwl8k_reload_firmware(hw, di->fw_image_sta); 44680863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (rc) 44690863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo return rc; 44700863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo } 4471ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek macids_supported = priv->sta_macids_supported; 4472ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek break; 4473ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek default: 4474ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek return -EINVAL; 4475ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek } 4476ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek 4477ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek macid = ffs(macids_supported & ~priv->macids_used); 4478ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek if (!macid--) 4479ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek return -EBUSY; 4480ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek 4481f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek /* Setup driver private area. */ 44821ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg mwl8k_vif = MWL8K_VIF(vif); 4483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(mwl8k_vif, 0, sizeof(*mwl8k_vif)); 4484f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek mwl8k_vif->vif = vif; 4485ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mwl8k_vif->macid = macid; 4486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->seqno = 0; 4487d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam memcpy(mwl8k_vif->bssid, vif->addr, ETH_ALEN); 4488d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam mwl8k_vif->is_hw_crypto_enabled = false; 4489a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4490aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek /* Set the mac address. */ 4491aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek mwl8k_cmd_set_mac_addr(hw, vif, vif->addr); 4492aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek 4493aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek if (priv->ap_fw) 4494aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek mwl8k_cmd_set_new_stn_add_self(hw, vif); 4495aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek 4496ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->macids_used |= 1 << mwl8k_vif->macid; 4497f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek list_add_tail(&mwl8k_vif->list, &priv->vif_list); 4498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 4500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4502a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_remove_interface(struct ieee80211_hw *hw, 45031ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg struct ieee80211_vif *vif) 4504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4506f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 4507a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4508b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (priv->ap_fw) 4509b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_cmd_set_new_stn_del(hw, vif, vif->addr); 4510b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4511aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek mwl8k_cmd_set_mac_addr(hw, vif, "\x00\x00\x00\x00\x00\x00"); 451232060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 4513ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->macids_used &= ~(1 << mwl8k_vif->macid); 4514f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek list_del(&mwl8k_vif->list); 4515a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4516a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4517ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhekstatic int mwl8k_config(struct ieee80211_hw *hw, u32 changed) 4518a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4519a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_conf *conf = &hw->conf; 4520a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4521ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek int rc; 4522a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 45237595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek if (conf->flags & IEEE80211_CONF_IDLE) { 452455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek mwl8k_cmd_radio_disable(hw); 4525ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return 0; 45267595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek } 45277595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek 4528ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek rc = mwl8k_fw_lock(hw); 4529ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 4530ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return rc; 4531a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 453255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_radio_enable(hw); 4533ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 4534ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 4535a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4536610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek rc = mwl8k_cmd_set_rf_channel(hw, conf); 4537ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 4538ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 4539ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek 4540a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (conf->power_level > 18) 4541a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek conf->power_level = 18; 4542a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 454308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek if (priv->ap_fw) { 45440321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam 45450321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam if (conf->flags & IEEE80211_CONF_CHANGE_POWER) { 45460321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam rc = mwl8k_cmd_tx_power(hw, conf, conf->power_level); 45470321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam if (rc) 45480321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam goto out; 45490321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam } 455041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 4551da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_RX, 0x3); 4552da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam if (rc) 4553da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam wiphy_warn(hw->wiphy, "failed to set # of RX antennas"); 4554da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_TX, 0x7); 4555da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam if (rc) 4556da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam wiphy_warn(hw->wiphy, "failed to set # of TX antennas"); 4557da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam 455808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek } else { 455941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam rc = mwl8k_cmd_rf_tx_power(hw, conf->power_level); 456041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam if (rc) 456141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam goto out; 456208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek rc = mwl8k_cmd_mimo_config(hw, 0x7, 0x7); 456308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek } 4564a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4565ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhekout: 4566ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek mwl8k_fw_unlock(hw); 4567a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4568ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return rc; 4569a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4571b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstatic void 4572b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekmwl8k_bss_info_changed_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4573b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct ieee80211_bss_conf *info, u32 changed) 4574a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4575a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4576ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar u32 ap_legacy_rates = 0; 457713935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek u8 ap_mcs_rates[16]; 45783a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek int rc; 45793a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek 4580c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (mwl8k_fw_lock(hw)) 45813a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek return; 4582a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4583c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek /* 4584c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek * No need to capture a beacon if we're no longer associated. 4585c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek */ 4586c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if ((changed & BSS_CHANGED_ASSOC) && !vif->bss_conf.assoc) 4587c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek priv->capture_beacon = false; 45883a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek 4589c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek /* 459013935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek * Get the AP's legacy and MCS rates. 4591c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek */ 45927dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek if (vif->bss_conf.assoc) { 4593c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek struct ieee80211_sta *ap; 4594c97470dd253831e880c72ea5d022ed7f3aee45c3Lennert Buytenhek 4595c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek rcu_read_lock(); 4596c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 4597c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek ap = ieee80211_find_sta(vif, vif->bss_conf.bssid); 4598c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (ap == NULL) { 4599c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek rcu_read_unlock(); 4600c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek goto out; 4601c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4602c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek 46038707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek if (hw->conf.channel->band == IEEE80211_BAND_2GHZ) { 46048707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek ap_legacy_rates = ap->supp_rates[IEEE80211_BAND_2GHZ]; 46058707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek } else { 46068707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek ap_legacy_rates = 46078707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek ap->supp_rates[IEEE80211_BAND_5GHZ] << 5; 46088707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek } 460913935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(ap_mcs_rates, ap->ht_cap.mcs.rx_mask, 16); 4610c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek 4611c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek rcu_read_unlock(); 4612c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4613c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 4614c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if ((changed & BSS_CHANGED_ASSOC) && vif->bss_conf.assoc) { 461513935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek rc = mwl8k_cmd_set_rate(hw, vif, ap_legacy_rates, ap_mcs_rates); 46163a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 46173a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 4618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4619b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek rc = mwl8k_cmd_use_fixed_rate_sta(hw); 46203a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 46213a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 4622c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4623a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4624c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (changed & BSS_CHANGED_ERP_PREAMBLE) { 46257dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek rc = mwl8k_set_radio_preamble(hw, 46267dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek vif->bss_conf.use_short_preamble); 46273a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 46283a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 4629c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4630a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4631c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (changed & BSS_CHANGED_ERP_SLOT) { 46327dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek rc = mwl8k_cmd_set_slot(hw, vif->bss_conf.use_short_slot); 46333a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 46343a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 4635c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4637c97470dd253831e880c72ea5d022ed7f3aee45c3Lennert Buytenhek if (vif->bss_conf.assoc && 4638c97470dd253831e880c72ea5d022ed7f3aee45c3Lennert Buytenhek (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_ERP_CTS_PROT | 4639c97470dd253831e880c72ea5d022ed7f3aee45c3Lennert Buytenhek BSS_CHANGED_HT))) { 4640c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek rc = mwl8k_cmd_set_aid(hw, vif, ap_legacy_rates); 46413a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 46423a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 4643c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4645c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (vif->bss_conf.assoc && 4646c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_BEACON_INT))) { 4647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 4648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Finalize the join. Tell rx handler to process 4649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * next beacon from our BSSID. 4650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 46510a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhek memcpy(priv->capture_bssid, vif->bss_conf.bssid, ETH_ALEN); 4652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = true; 4653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 46553a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhekout: 46563a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek mwl8k_fw_unlock(hw); 4657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4659b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstatic void 4660b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekmwl8k_bss_info_changed_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4661b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct ieee80211_bss_conf *info, u32 changed) 4662b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 4663b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rc; 4664b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4665b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (mwl8k_fw_lock(hw)) 4666b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return; 4667b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4668b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (changed & BSS_CHANGED_ERP_PREAMBLE) { 4669b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek rc = mwl8k_set_radio_preamble(hw, 4670b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek vif->bss_conf.use_short_preamble); 4671b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (rc) 4672b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek goto out; 4673b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek } 4674b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4675b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (changed & BSS_CHANGED_BASIC_RATES) { 4676b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int idx; 4677b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rate; 4678b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4679b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek /* 4680b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * Use lowest supported basic rate for multicasts 4681b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * and management frames (such as probe responses -- 4682b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * beacons will always go out at 1 Mb/s). 4683b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek */ 4684b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek idx = ffs(vif->bss_conf.basic_rates); 46858707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek if (idx) 46868707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek idx--; 46878707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek 46888707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek if (hw->conf.channel->band == IEEE80211_BAND_2GHZ) 46898707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rate = mwl8k_rates_24[idx].hw_value; 46908707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek else 46918707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rate = mwl8k_rates_50[idx].hw_value; 4692b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4693b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_cmd_use_fixed_rate_ap(hw, rate, rate); 4694b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek } 4695b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4696b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (changed & (BSS_CHANGED_BEACON_INT | BSS_CHANGED_BEACON)) { 4697b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct sk_buff *skb; 4698b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4699b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek skb = ieee80211_beacon_get(hw, vif); 4700b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (skb != NULL) { 4701aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek mwl8k_cmd_set_beacon(hw, vif, skb->data, skb->len); 4702b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek kfree_skb(skb); 4703b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek } 4704b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek } 4705b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4706b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (changed & BSS_CHANGED_BEACON_ENABLED) 4707aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek mwl8k_cmd_bss_start(hw, vif, info->enable_beacon); 4708b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4709b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekout: 4710b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_fw_unlock(hw); 4711b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 4712b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4713b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstatic void 4714b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekmwl8k_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4715b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct ieee80211_bss_conf *info, u32 changed) 4716b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 4717b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4718b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4719b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (!priv->ap_fw) 4720b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_bss_info_changed_sta(hw, vif, info, changed); 4721b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek else 4722b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_bss_info_changed_ap(hw, vif, info, changed); 4723b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 4724b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4725e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhekstatic u64 mwl8k_prepare_multicast(struct ieee80211_hw *hw, 472622bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko struct netdev_hw_addr_list *mc_list) 4727e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek{ 4728e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek struct mwl8k_cmd_pkt *cmd; 4729e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 4730447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek /* 4731447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * Synthesize and return a command packet that programs the 4732447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * hardware multicast address filter. At this point we don't 4733447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * know whether FIF_ALLMULTI is being requested, but if it is, 4734447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * we'll end up throwing this packet away and creating a new 4735447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * one in mwl8k_configure_filter(). 4736447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek */ 473722bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko cmd = __mwl8k_cmd_mac_multicast_adr(hw, 0, mc_list); 4738e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 4739e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return (unsigned long)cmd; 4740e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek} 4741e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 4742a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhekstatic int 4743a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhekmwl8k_configure_filter_sniffer(struct ieee80211_hw *hw, 4744a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek unsigned int changed_flags, 4745a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek unsigned int *total_flags) 4746a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek{ 4747a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4748a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4749a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek /* 4750a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Hardware sniffer mode is mutually exclusive with STA 4751a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * operation, so refuse to enable sniffer mode if a STA 4752a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * interface is active. 4753a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 4754f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek if (!list_empty(&priv->vif_list)) { 4755a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (net_ratelimit()) 4756c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_info(hw->wiphy, 4757c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "not enabling sniffer mode because STA interface is active\n"); 4758a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 0; 4759a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 4760a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4761a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (!priv->sniffer_enabled) { 476255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (mwl8k_cmd_enable_sniffer(hw, 1)) 4763a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 0; 4764a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek priv->sniffer_enabled = true; 4765a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 4766a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4767a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek *total_flags &= FIF_PROMISC_IN_BSS | FIF_ALLMULTI | 4768a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL | 4769a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek FIF_OTHER_BSS; 4770a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4771a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 1; 4772a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek} 4773a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4774f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhekstatic struct mwl8k_vif *mwl8k_first_vif(struct mwl8k_priv *priv) 4775f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek{ 4776f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek if (!list_empty(&priv->vif_list)) 4777f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek return list_entry(priv->vif_list.next, struct mwl8k_vif, list); 4778f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek 4779f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek return NULL; 4780f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek} 4781f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek 4782e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhekstatic void mwl8k_configure_filter(struct ieee80211_hw *hw, 4783e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek unsigned int changed_flags, 4784e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek unsigned int *total_flags, 4785e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek u64 multicast) 4786e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek{ 4787e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4788a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek struct mwl8k_cmd_pkt *cmd = (void *)(unsigned long)multicast; 4789a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4790a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek /* 4791c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek * AP firmware doesn't allow fine-grained control over 4792c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek * the receive filter. 4793c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek */ 4794c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek if (priv->ap_fw) { 4795c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek *total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC; 4796c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek kfree(cmd); 4797c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek return; 4798c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek } 4799c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek 4800c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek /* 4801a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Enable hardware sniffer mode if FIF_CONTROL or 4802a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * FIF_OTHER_BSS is requested. 4803a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 4804a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (*total_flags & (FIF_CONTROL | FIF_OTHER_BSS) && 4805a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek mwl8k_configure_filter_sniffer(hw, changed_flags, total_flags)) { 4806a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek kfree(cmd); 4807a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return; 4808a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 4809a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4810e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek /* Clear unsupported feature flags */ 4811447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek *total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC; 4812a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 481390852f7aed0f90d443efd7e0f9b82d8ac8186848Lennert Buytenhek if (mwl8k_fw_lock(hw)) { 481490852f7aed0f90d443efd7e0f9b82d8ac8186848Lennert Buytenhek kfree(cmd); 4815e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek return; 481690852f7aed0f90d443efd7e0f9b82d8ac8186848Lennert Buytenhek } 4817a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4818a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (priv->sniffer_enabled) { 481955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek mwl8k_cmd_enable_sniffer(hw, 0); 4820a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek priv->sniffer_enabled = false; 4821a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 4822a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4823e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 482477165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek if (*total_flags & FIF_BCN_PRBRESP_PROMISC) { 482577165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek /* 482677165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * Disable the BSS filter. 482777165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek */ 4828e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_cmd_set_pre_scan(hw); 482977165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek } else { 4830f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct mwl8k_vif *mwl8k_vif; 48310a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhek const u8 *bssid; 4832a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek 483377165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek /* 483477165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * Enable the BSS filter. 483577165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * 483677165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * If there is an active STA interface, use that 483777165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * interface's BSSID, otherwise use a dummy one 483877165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * (where the OUI part needs to be nonzero for 483977165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * the BSSID to be accepted by POST_SCAN). 484077165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek */ 4841f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek mwl8k_vif = mwl8k_first_vif(priv); 4842f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek if (mwl8k_vif != NULL) 4843f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek bssid = mwl8k_vif->vif->bss_conf.bssid; 4844f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek else 4845f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek bssid = "\x01\x00\x00\x00\x00\x00"; 4846a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek 4847e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_cmd_set_post_scan(hw, bssid); 4848a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4850a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4851447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek /* 4852447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * If FIF_ALLMULTI is being requested, throw away the command 4853447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * packet that ->prepare_multicast() built and replace it with 4854447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * a command packet that enables reception of all multicast 4855447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * packets. 4856447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek */ 4857447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (*total_flags & FIF_ALLMULTI) { 4858447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek kfree(cmd); 485922bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko cmd = __mwl8k_cmd_mac_multicast_adr(hw, 1, NULL); 4860447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek } 4861447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek 4862447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (cmd != NULL) { 4863447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek mwl8k_post_cmd(hw, cmd); 4864447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek kfree(cmd); 4865e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek } 4866a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4867e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_fw_unlock(hw); 4868a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4869a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4870a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 4871a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4872c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek return mwl8k_cmd_set_rts_threshold(hw, value); 4873a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4874a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 48754a6967b88af02eebeedfbb91bc09160750225bb5Johannes Bergstatic int mwl8k_sta_remove(struct ieee80211_hw *hw, 48764a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg struct ieee80211_vif *vif, 48774a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg struct ieee80211_sta *sta) 48783f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek{ 48793f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 48803f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 48814a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg if (priv->ap_fw) 48824a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg return mwl8k_cmd_set_new_stn_del(hw, vif, sta->addr); 48834a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg else 48844a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg return mwl8k_cmd_update_stadb_del(hw, vif, sta->addr); 4885bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek} 4886bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 48874a6967b88af02eebeedfbb91bc09160750225bb5Johannes Bergstatic int mwl8k_sta_add(struct ieee80211_hw *hw, 48884a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg struct ieee80211_vif *vif, 48894a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg struct ieee80211_sta *sta) 4890bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek{ 4891bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 48924a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg int ret; 4893fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int i; 4894fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 4895fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key; 4896bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 48974a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg if (!priv->ap_fw) { 48984a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg ret = mwl8k_cmd_update_stadb_add(hw, vif, sta); 48994a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg if (ret >= 0) { 49004a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg MWL8K_STA(sta)->peer_id = ret; 4901170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam if (sta->ht_cap.ht_supported) 4902170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam MWL8K_STA(sta)->is_ampdu_allowed = true; 4903fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam ret = 0; 49044a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg } 4905bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 4906d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } else { 4907d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam ret = mwl8k_cmd_set_new_stn_add(hw, vif, sta); 4908bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek } 49094a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg 4910d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam for (i = 0; i < NUM_WEP_KEYS; i++) { 4911d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam key = IEEE80211_KEY_CONF(mwl8k_vif->wep_key_conf[i].key); 4912d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (mwl8k_vif->wep_key_conf[i].enabled) 4913d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam mwl8k_set_key(hw, SET_KEY, vif, sta, key); 4914d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 4915fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return ret; 4916bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek} 4917bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 49188a3a3c85e44d58f5af0adac74a0b866ba89a1978Eliad Pellerstatic int mwl8k_conf_tx(struct ieee80211_hw *hw, 49198a3a3c85e44d58f5af0adac74a0b866ba89a1978Eliad Peller struct ieee80211_vif *vif, u16 queue, 4920a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const struct ieee80211_tx_queue_params *params) 4921a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 49223e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4923a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 4924a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 49253e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek rc = mwl8k_fw_lock(hw); 49263e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!rc) { 4927e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo BUG_ON(queue > MWL8K_TX_WMM_QUEUES - 1); 49280863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo memcpy(&priv->wmm_params[queue], params, sizeof(*params)); 49290863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo 49303e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!priv->wmm_enabled) 493155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_wmm_mode(hw, 1); 4932a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 493385c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam if (!rc) { 4934e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo int q = MWL8K_TX_WMM_QUEUES - 1 - queue; 493585c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam rc = mwl8k_cmd_set_edca_params(hw, q, 493655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->cw_min, 493755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->cw_max, 493855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->aifs, 493955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->txop); 494085c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam } 49413e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek 49423e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek mwl8k_fw_unlock(hw); 4943a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 49443e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek 4945a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 4946a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4947a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4948a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_get_stats(struct ieee80211_hw *hw, 4949a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_low_level_stats *stats) 4950a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 495155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_get_stat(hw, stats); 4952a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4953a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 49540d462bbb0e20863b6c796abd779bfdb534d60278John W. Linvillestatic int mwl8k_get_survey(struct ieee80211_hw *hw, int idx, 49550d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville struct survey_info *survey) 49560d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville{ 49570d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville struct mwl8k_priv *priv = hw->priv; 49580d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville struct ieee80211_conf *conf = &hw->conf; 49590d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 49600d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville if (idx != 0) 49610d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville return -ENOENT; 49620d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 49630d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville survey->channel = conf->channel; 49640d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville survey->filled = SURVEY_INFO_NOISE_DBM; 49650d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville survey->noise = priv->noise; 49660d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 49670d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville return 0; 49680d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville} 49690d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 497065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam#define MAX_AMPDU_ATTEMPTS 5 497165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 4972a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhekstatic int 4973a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhekmwl8k_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4974a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek enum ieee80211_ampdu_mlme_action action, 49750b01f030d38e00650e2db42da083d8647aad40a5Johannes Berg struct ieee80211_sta *sta, u16 tid, u16 *ssn, 49760b01f030d38e00650e2db42da083d8647aad40a5Johannes Berg u8 buf_size) 4977a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek{ 497865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 497965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam int i, rc = 0; 498065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam struct mwl8k_priv *priv = hw->priv; 498165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam struct mwl8k_ampdu_stream *stream; 498265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam u8 *addr = sta->addr; 498365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 498465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (!(hw->flags & IEEE80211_HW_AMPDU_AGGREGATION)) 498565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam return -ENOTSUPP; 498665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 498765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 498865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream = mwl8k_lookup_stream(hw, addr, tid); 498965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 4990a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek switch (action) { 4991a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek case IEEE80211_AMPDU_RX_START: 4992a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek case IEEE80211_AMPDU_RX_STOP: 499365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 499465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam case IEEE80211_AMPDU_TX_START: 499565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* By the time we get here the hw queues may contain outgoing 499665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * packets for this RA/TID that are not part of this BA 499765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * session. The hw will assign sequence numbers to these 499865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * packets as they go out. So if we query the hw for its next 499965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * sequence number and use that for the SSN here, it may end up 500065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * being wrong, which will lead to sequence number mismatch at 500165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * the recipient. To avoid this, we reset the sequence number 500265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * to O for the first MPDU in this BA stream. 500365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 500465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam *ssn = 0; 500565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (stream == NULL) { 500665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* This means that somebody outside this driver called 500765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * ieee80211_start_tx_ba_session. This is unexpected 500865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * because we do our own rate control. Just warn and 500965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * move on. 501065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 501165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_warn(hw->wiphy, "Unexpected call to %s. " 501265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam "Proceeding anyway.\n", __func__); 501365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream = mwl8k_add_stream(hw, sta, tid); 501465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 501565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (stream == NULL) { 501665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_debug(hw->wiphy, "no free AMPDU streams\n"); 501765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam rc = -EBUSY; 501865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 501965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 502065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream->state = AMPDU_STREAM_IN_PROGRESS; 502165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 502265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* Release the lock before we do the time consuming stuff */ 502365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 502465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam for (i = 0; i < MAX_AMPDU_ATTEMPTS; i++) { 502565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam rc = mwl8k_check_ba(hw, stream); 502665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 502765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (!rc) 502865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 502965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* 503065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * HW queues take time to be flushed, give them 503165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * sufficient time 503265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 503365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 503465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam msleep(1000); 503565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 503665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 503765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (rc) { 503865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_err(hw->wiphy, "Stream for tid %d busy after %d" 503965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam " attempts\n", tid, MAX_AMPDU_ATTEMPTS); 504065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_remove_stream(hw, stream); 504165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam rc = -EBUSY; 504265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 504365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 504465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam ieee80211_start_tx_ba_cb_irqsafe(vif, addr, tid); 504565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 504665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam case IEEE80211_AMPDU_TX_STOP: 504765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (stream == NULL) 504865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 504965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (stream->state == AMPDU_STREAM_ACTIVE) { 505065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 505165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_destroy_ba(hw, stream); 505265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 505365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 505465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_remove_stream(hw, stream); 505565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam ieee80211_stop_tx_ba_cb_irqsafe(vif, addr, tid); 505665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 505765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam case IEEE80211_AMPDU_TX_OPERATIONAL: 505865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam BUG_ON(stream == NULL); 505965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam BUG_ON(stream->state != AMPDU_STREAM_IN_PROGRESS); 506065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 506165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam rc = mwl8k_create_ba(hw, stream, buf_size); 506265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 506365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (!rc) 506465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream->state = AMPDU_STREAM_ACTIVE; 506565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam else { 506665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 506765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_destroy_ba(hw, stream); 506865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 506965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_debug(hw->wiphy, 507065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam "Failed adding stream for sta %pM tid %d\n", 507165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam addr, tid); 507265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_remove_stream(hw, stream); 507365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 507465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 507565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 5076a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek default: 507765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam rc = -ENOTSUPP; 5078a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek } 507965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 508065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 508165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam return rc; 5082a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek} 5083a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek 5084a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const struct ieee80211_ops mwl8k_ops = { 5085a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .tx = mwl8k_tx, 5086a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .start = mwl8k_start, 5087a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .stop = mwl8k_stop, 5088a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .add_interface = mwl8k_add_interface, 5089a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .remove_interface = mwl8k_remove_interface, 5090a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .config = mwl8k_config, 5091a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .bss_info_changed = mwl8k_bss_info_changed, 50923ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg .prepare_multicast = mwl8k_prepare_multicast, 5093a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .configure_filter = mwl8k_configure_filter, 5094fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam .set_key = mwl8k_set_key, 5095a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .set_rts_threshold = mwl8k_set_rts_threshold, 50964a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg .sta_add = mwl8k_sta_add, 50974a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg .sta_remove = mwl8k_sta_remove, 5098a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .conf_tx = mwl8k_conf_tx, 5099a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .get_stats = mwl8k_get_stats, 51000d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville .get_survey = mwl8k_get_survey, 5101a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek .ampdu_action = mwl8k_ampdu_action, 5102a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 5103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5104a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_finalize_join_worker(struct work_struct *work) 5105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 5106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = 5107a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek container_of(work, struct mwl8k_priv, finalize_join_worker); 5108a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb = priv->beacon_skb; 510956007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg struct ieee80211_mgmt *mgmt = (void *)skb->data; 511056007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg int len = skb->len - offsetof(struct ieee80211_mgmt, u.beacon.variable); 511156007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg const u8 *tim = cfg80211_find_ie(WLAN_EID_TIM, 511256007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg mgmt->u.beacon.variable, len); 511356007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg int dtim_period = 1; 511456007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg 511556007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg if (tim && tim[1] >= 2) 511656007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg dtim_period = tim[3]; 5117a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 511856007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg mwl8k_cmd_finalize_join(priv->hw, skb->data, skb->len, dtim_period); 5119a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5120f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek dev_kfree_skb(skb); 5121a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->beacon_skb = NULL; 5122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5123a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5124bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linvilleenum { 51259e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek MWL8363 = 0, 51269e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek MWL8687, 5127bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville MWL8366, 51286f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek}; 51296f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 51308a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo#define MWL8K_8366_AP_FW_API 2 5131952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo#define _MWL8K_8366_AP_FW(api) "mwl8k/fmimage_8366_ap-" #api ".fw" 5132952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo#define MWL8K_8366_AP_FW(api) _MWL8K_8366_AP_FW(api) 5133952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo 5134bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linvillestatic struct mwl8k_device_info mwl8k_info_tbl[] __devinitdata = { 51359e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek [MWL8363] = { 51369e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek .part_name = "88w8363", 51379e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek .helper_image = "mwl8k/helper_8363.fw", 51380863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo .fw_image_sta = "mwl8k/fmimage_8363.fw", 51399e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek }, 514049eb691c8f48a29adfdfbdeb82433f1f8cb6524dLennert Buytenhek [MWL8687] = { 5141bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .part_name = "88w8687", 5142bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .helper_image = "mwl8k/helper_8687.fw", 51430863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo .fw_image_sta = "mwl8k/fmimage_8687.fw", 5144bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville }, 514549eb691c8f48a29adfdfbdeb82433f1f8cb6524dLennert Buytenhek [MWL8366] = { 5146bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .part_name = "88w8366", 5147bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .helper_image = "mwl8k/helper_8366.fw", 51480863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo .fw_image_sta = "mwl8k/fmimage_8366.fw", 5149952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo .fw_image_ap = MWL8K_8366_AP_FW(MWL8K_8366_AP_FW_API), 5150952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo .fw_api_ap = MWL8K_8366_AP_FW_API, 515189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .ap_rxd_ops = &rxd_8366_ap_ops, 5152bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville }, 515345a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek}; 515445a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 5155c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/helper_8363.fw"); 5156c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/fmimage_8363.fw"); 5157c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/helper_8687.fw"); 5158c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/fmimage_8687.fw"); 5159c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/helper_8366.fw"); 5160c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/fmimage_8366.fw"); 5161952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian CavagnoloMODULE_FIRMWARE(MWL8K_8366_AP_FW(MWL8K_8366_AP_FW_API)); 5162c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert Buytenhek 516345a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhekstatic DEFINE_PCI_DEVICE_TABLE(mwl8k_pci_id_table) = { 5164e5868ba10c3c5d8a56c06bbafe098103356ac03fBenjamin Larsson { PCI_VDEVICE(MARVELL, 0x2a0a), .driver_data = MWL8363, }, 51659e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a0c), .driver_data = MWL8363, }, 51669e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a24), .driver_data = MWL8363, }, 5167bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { PCI_VDEVICE(MARVELL, 0x2a2b), .driver_data = MWL8687, }, 5168bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { PCI_VDEVICE(MARVELL, 0x2a30), .driver_data = MWL8687, }, 5169bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { PCI_VDEVICE(MARVELL, 0x2a40), .driver_data = MWL8366, }, 5170ca66527c60385dcec878ebd90749d1fdc43bc870Lennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a43), .driver_data = MWL8366, }, 5171bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { }, 517245a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek}; 517345a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert BuytenhekMODULE_DEVICE_TABLE(pci, mwl8k_pci_id_table); 517445a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 517599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic int mwl8k_request_alt_fw(struct mwl8k_priv *priv) 517699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo{ 517799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo int rc; 517899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting preferred fw %s.\n" 517999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo "Trying alternative firmware %s\n", pci_name(priv->pdev), 518099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref, priv->fw_alt); 518199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, priv->fw_alt, &priv->fw_ucode, true); 518299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) { 518399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting alt fw %s\n", 518499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo pci_name(priv->pdev), priv->fw_alt); 518599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return rc; 518699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 518799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return 0; 518899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo} 518999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 519099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic int mwl8k_firmware_load_success(struct mwl8k_priv *priv); 519199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic void mwl8k_fw_state_machine(const struct firmware *fw, void *context) 519299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo{ 519399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo struct mwl8k_priv *priv = context; 519499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo struct mwl8k_device_info *di = priv->device_info; 519599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo int rc; 519699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 519799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo switch (priv->fw_state) { 519899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo case FW_STATE_INIT: 519999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (!fw) { 520099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting helper fw %s\n", 520199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo pci_name(priv->pdev), di->helper_image); 520299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 520399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 520499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_helper = fw; 520599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, priv->fw_pref, &priv->fw_ucode, 520699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo true); 520799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc && priv->fw_alt) { 520899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_alt_fw(priv); 520999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 521099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 521199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_LOADING_ALT; 521299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else if (rc) 521399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 521499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 521599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_LOADING_PREF; 521699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo break; 521799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 521899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo case FW_STATE_LOADING_PREF: 521999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (!fw) { 522099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (priv->fw_alt) { 522199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_alt_fw(priv); 522299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 522399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 522499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_LOADING_ALT; 522599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else 522699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 522799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else { 522899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_ucode = fw; 522999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_firmware_load_success(priv); 523099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 523199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 523299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 523399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo complete(&priv->firmware_loading_complete); 523499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 523599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo break; 523699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 523799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo case FW_STATE_LOADING_ALT: 523899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (!fw) { 523999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting alt fw %s\n", 524099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo pci_name(priv->pdev), di->helper_image); 524199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 524299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 524399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_ucode = fw; 524499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_firmware_load_success(priv); 524599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 524699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 524799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 524899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo complete(&priv->firmware_loading_complete); 524999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo break; 525099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 525199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo default: 525299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Unexpected firmware loading state: %d\n", 525399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo MWL8K_NAME, priv->fw_state); 525499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo BUG_ON(1); 525599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 525699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 525799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return; 525899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 525999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolofail: 526099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_ERROR; 526199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo complete(&priv->firmware_loading_complete); 526299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo device_release_driver(&priv->pdev->dev); 526399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo mwl8k_release_firmware(priv); 526499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo} 526599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 526699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic int mwl8k_init_firmware(struct ieee80211_hw *hw, char *fw_image, 526799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo bool nowait) 5268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 52693cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct mwl8k_priv *priv = hw->priv; 5270a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 5271be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5272be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Reset firmware and hardware */ 5273be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek mwl8k_hw_reset(priv); 5274be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5275be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Ask userland hotplug daemon for the device firmware */ 527699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_firmware(priv, fw_image, nowait); 5277be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek if (rc) { 52785db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Firmware files not found\n"); 52793cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 5280be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek } 5281be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 528299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (nowait) 528399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return rc; 528499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 5285be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Load firmware into hardware */ 5286be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek rc = mwl8k_load_firmware(hw); 52873cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 52885db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Cannot start firmware\n"); 5289be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5290be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Reclaim memory once firmware is successfully loaded */ 5291be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek mwl8k_release_firmware(priv); 5292be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 52933cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 52943cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo} 52953cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 529673b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolostatic int mwl8k_init_txqs(struct ieee80211_hw *hw) 529773b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo{ 529873b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo struct mwl8k_priv *priv = hw->priv; 529973b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo int rc = 0; 530073b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo int i; 530173b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo 5302e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) { 530373b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo rc = mwl8k_txq_init(hw, i); 530473b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (rc) 530573b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo break; 530673b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (priv->ap_fw) 530773b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo iowrite32(priv->txq[i].txd_dma, 530873b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->sram + priv->txq_offset[i]); 530973b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo } 531073b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo return rc; 531173b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo} 531273b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo 53133cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo/* initialize hw after successfully loading a firmware image */ 53143cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolostatic int mwl8k_probe_hw(struct ieee80211_hw *hw) 53153cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo{ 53163cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct mwl8k_priv *priv = hw->priv; 53173cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int rc = 0; 53183cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int i; 5319be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 532091942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek if (priv->ap_fw) { 532189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek priv->rxd_ops = priv->device_info->ap_rxd_ops; 532291942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek if (priv->rxd_ops == NULL) { 5323c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_err(hw->wiphy, 5324c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "Driver does not have AP firmware image support for this hardware\n"); 532591942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek goto err_stop_firmware; 532691942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek } 532791942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek } else { 532889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek priv->rxd_ops = &rxd_sta_ops; 532991942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek } 5330be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5331be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek priv->sniffer_enabled = false; 5332be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek priv->wmm_enabled = false; 5333be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek priv->pending_tx_pkts = 0; 5334be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_rxq_init(hw, 0); 5336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 53373cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_stop_firmware; 5338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq_refill(hw, 0, INT_MAX); 5339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 534073b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo /* For the sta firmware, we need to know the dma addresses of tx queues 534173b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo * before sending MWL8K_CMD_GET_HW_SPEC. So we must initialize them 534273b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo * prior to issuing this command. But for the AP case, we learn the 534373b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo * total number of queues from the result CMD_GET_HW_SPEC, so for this 534473b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo * case we must initialize the tx queues after. 534573b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo */ 53468a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo priv->num_ampdu_queues = 0; 534773b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (!priv->ap_fw) { 534873b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo rc = mwl8k_init_txqs(hw); 5349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 5350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_queues; 5351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5353a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 5354c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 53553aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam iowrite32(MWL8K_A2H_INT_TX_DONE|MWL8K_A2H_INT_RX_READY| 53563aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam MWL8K_A2H_INT_BA_WATCHDOG, 53571e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek priv->regs + MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL); 535812488e01fb2b06bb3f6ee137efc88e29d827817eNishant Sarmukadam iowrite32(MWL8K_A2H_INT_OPC_DONE, 535912488e01fb2b06bb3f6ee137efc88e29d827817eNishant Sarmukadam priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 5360a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5361a0607fd3a25ba1848a63a0d925e36d914735ab47Joe Perches rc = request_irq(priv->pdev->irq, mwl8k_interrupt, 5362a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IRQF_SHARED, MWL8K_NAME, hw); 5363a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 53645db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to register IRQ handler\n"); 5365a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_queues; 5366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5367a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5368ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo memset(priv->ampdu, 0, sizeof(priv->ampdu)); 5369ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 5370a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 5371a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Temporarily enable interrupts. Initial firmware host 5372c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek * commands use interrupts and avoid polling. Disable 5373a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * interrupts when done. 5374a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 5375c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 5376a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Get config data, mac addrs etc */ 537842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (priv->ap_fw) { 537942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_cmd_get_hw_spec_ap(hw); 538042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (!rc) 538173b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo rc = mwl8k_init_txqs(hw); 538273b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (!rc) 538342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_cmd_set_hw_spec(hw); 538442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek } else { 538542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_cmd_get_hw_spec_sta(hw); 538642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek } 5387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 53885db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Cannot initialise firmware\n"); 5389be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_free_irq; 5390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5392a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Turn radio off */ 539355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_radio_disable(hw); 5394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 53955db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Cannot disable\n"); 5396be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_free_irq; 5397a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 539932060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek /* Clear MAC address */ 5400aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_cmd_set_mac_addr(hw, NULL, "\x00\x00\x00\x00\x00\x00"); 540132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek if (rc) { 54025db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Cannot clear MAC address\n"); 5403be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_free_irq; 540432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek } 540532060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 5406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable interrupts */ 5407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 5408a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 5409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5410c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_info(hw->wiphy, "%s v%d, %pm, %s firmware %u.%u.%u.%u\n", 5411c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches priv->device_info->part_name, 5412c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches priv->hw_rev, hw->wiphy->perm_addr, 5413c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches priv->ap_fw ? "AP" : "STA", 5414c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches (priv->fw_rev >> 24) & 0xff, (priv->fw_rev >> 16) & 0xff, 5415c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches (priv->fw_rev >> 8) & 0xff, priv->fw_rev & 0xff); 5416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 5418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_irq: 5420a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 5421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 5422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_queues: 5424e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 5425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_deinit(hw, i); 5426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_rxq_deinit(hw, 0); 5427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 54283cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnoloerr_stop_firmware: 54293cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_hw_reset(priv); 54303cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 54313cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 54323cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo} 54333cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 54343cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo/* 54353cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * invoke mwl8k_reload_firmware to change the firmware image after the device 54363cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * has already been registered 54373cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo */ 54383cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolostatic int mwl8k_reload_firmware(struct ieee80211_hw *hw, char *fw_image) 54393cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo{ 54403cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int i, rc = 0; 54413cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct mwl8k_priv *priv = hw->priv; 54423cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 54433cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_stop(hw); 54443cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_rxq_deinit(hw, 0); 54453cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5446e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 54473cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_txq_deinit(hw, i); 54483cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 544999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_init_firmware(hw, fw_image, false); 54503cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 54513cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 54523cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 54533cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = mwl8k_probe_hw(hw); 54543cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 54553cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 54563cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 54573cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = mwl8k_start(hw); 54583cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 54593cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 54603cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 54613cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = mwl8k_config(hw, ~0); 54623cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 54633cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 54643cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5465e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < MWL8K_TX_WMM_QUEUES; i++) { 54668a3a3c85e44d58f5af0adac74a0b866ba89a1978Eliad Peller rc = mwl8k_conf_tx(hw, NULL, i, &priv->wmm_params[i]); 54673cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 54683cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 54693cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 54703cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 54713cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 54723cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 54733cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolofail: 54743cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_WARNING "mwl8k: Failed to reload firmware image.\n"); 54753cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 54763cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo} 54773cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 54783cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolostatic int mwl8k_firmware_load_success(struct mwl8k_priv *priv) 54793cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo{ 54803cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct ieee80211_hw *hw = priv->hw; 54813cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int i, rc; 54823cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 548399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_load_firmware(hw); 548499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo mwl8k_release_firmware(priv); 548599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) { 548699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo wiphy_err(hw->wiphy, "Cannot start firmware\n"); 548799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return rc; 548899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 548999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 54903cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* 54913cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * Extra headroom is the size of the required DMA header 54923cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * minus the size of the smallest 802.11 frame (CTS frame). 54933cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo */ 54943cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->extra_tx_headroom = 54953cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo sizeof(struct mwl8k_dma_data) - sizeof(struct ieee80211_cts); 54963cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5497ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar hw->extra_tx_headroom -= priv->ap_fw ? REDUCED_TX_HEADROOM : 0; 5498ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 54993cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->channel_change_time = 10; 55003cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5501e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo hw->queues = MWL8K_TX_WMM_QUEUES; 55023cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 55033cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* Set rssi values to dBm */ 55040bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam hw->flags |= IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_HAS_RATE_CONTROL; 55052a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar 55062a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar /* 55072a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar * Ask mac80211 to not to trigger PS mode 55082a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar * based on PM bit of incoming frames. 55092a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar */ 55102a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar if (priv->ap_fw) 55112a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar hw->flags |= IEEE80211_HW_AP_LINK_PS; 55122a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar 55133cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->vif_data_size = sizeof(struct mwl8k_vif); 55143cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->sta_data_size = sizeof(struct mwl8k_sta); 55153cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 55163cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->macids_used = 0; 55173cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo INIT_LIST_HEAD(&priv->vif_list); 55183cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 55193cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* Set default radio state and preamble */ 55203db1cd5c05f35fb43eb134df6f321de4e63141f2Rusty Russell priv->radio_on = false; 55213db1cd5c05f35fb43eb134df6f321de4e63141f2Rusty Russell priv->radio_short_preamble = false; 55223cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 55233cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* Finalize join worker */ 55243cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo INIT_WORK(&priv->finalize_join_worker, mwl8k_finalize_join_worker); 55253aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam /* Handle watchdog ba events */ 55263aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam INIT_WORK(&priv->watchdog_ba_handle, mwl8k_watchdog_ba_events); 55273cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 55283cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* TX reclaim and RX tasklets. */ 55293cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo tasklet_init(&priv->poll_tx_task, mwl8k_tx_poll, (unsigned long)hw); 55303cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo tasklet_disable(&priv->poll_tx_task); 55313cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo tasklet_init(&priv->poll_rx_task, mwl8k_rx_poll, (unsigned long)hw); 55323cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo tasklet_disable(&priv->poll_rx_task); 55333cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 55343cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* Power management cookie */ 55353cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->cookie = pci_alloc_consistent(priv->pdev, 4, &priv->cookie_dma); 55363cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->cookie == NULL) 55373cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return -ENOMEM; 55383cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 55393cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mutex_init(&priv->fw_mutex); 55403cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->fw_mutex_owner = NULL; 55413cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->fw_mutex_depth = 0; 55423cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->hostcmd_wait = NULL; 55433cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 55443cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo spin_lock_init(&priv->tx_lock); 55453cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5546ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo spin_lock_init(&priv->stream_lock); 5547ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 55483cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->tx_wait = NULL; 55493cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 55503cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = mwl8k_probe_hw(hw); 55513cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 55523cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_free_cookie; 55533cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 55543cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->wiphy->interface_modes = 0; 55553cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->ap_macids_supported || priv->device_info->fw_image_ap) 55563cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP); 55573cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->sta_macids_supported || priv->device_info->fw_image_sta) 55583cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_STATION); 55593cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 55603cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = ieee80211_register_hw(hw); 55613cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) { 55623cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo wiphy_err(hw->wiphy, "Cannot register device\n"); 55633cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_unprobe_hw; 55643cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 55653cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 55663cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return 0; 55673cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 55683cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnoloerr_unprobe_hw: 5569e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 55703cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_txq_deinit(hw, i); 55713cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_rxq_deinit(hw, 0); 55723cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5573be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhekerr_free_cookie: 5574a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->cookie != NULL) 5575a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 4, 5576a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->cookie, priv->cookie_dma); 5577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 55783cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 55793cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo} 55803cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolostatic int __devinit mwl8k_probe(struct pci_dev *pdev, 55813cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo const struct pci_device_id *id) 55823cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo{ 55833cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo static int printed_version; 55843cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct ieee80211_hw *hw; 55853cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct mwl8k_priv *priv; 55860863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo struct mwl8k_device_info *di; 55873cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int rc; 55883cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 55893cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (!printed_version) { 55903cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_INFO "%s version %s\n", MWL8K_DESC, MWL8K_VERSION); 55913cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printed_version = 1; 55923cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 55933cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 55943cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 55953cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = pci_enable_device(pdev); 55963cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) { 55973cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_ERR "%s: Cannot enable new PCI device\n", 55983cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo MWL8K_NAME); 55993cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 56003cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 56013cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56023cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = pci_request_regions(pdev, MWL8K_NAME); 56033cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) { 56043cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_ERR "%s: Cannot obtain PCI resources\n", 56053cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo MWL8K_NAME); 56063cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_disable_device; 56073cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 56083cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56093cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo pci_set_master(pdev); 56103cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56113cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56123cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw = ieee80211_alloc_hw(sizeof(*priv), &mwl8k_ops); 56133cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (hw == NULL) { 56143cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_ERR "%s: ieee80211 alloc failed\n", MWL8K_NAME); 56153cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = -ENOMEM; 56163cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_free_reg; 56173cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 56183cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56193cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo SET_IEEE80211_DEV(hw, &pdev->dev); 56203cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo pci_set_drvdata(pdev, hw); 56213cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56223cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv = hw->priv; 56233cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->hw = hw; 56243cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->pdev = pdev; 56253cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->device_info = &mwl8k_info_tbl[id->driver_data]; 56263cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56273cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56283cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->sram = pci_iomap(pdev, 0, 0x10000); 56293cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->sram == NULL) { 56303cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo wiphy_err(hw->wiphy, "Cannot map device SRAM\n"); 56313cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_iounmap; 56323cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 56333cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56343cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* 56353cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * If BAR0 is a 32 bit BAR, the register BAR will be BAR1. 56363cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * If BAR0 is a 64 bit BAR, the register BAR will be BAR2. 56373cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo */ 56383cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->regs = pci_iomap(pdev, 1, 0x10000); 56393cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->regs == NULL) { 56403cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->regs = pci_iomap(pdev, 2, 0x10000); 56413cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->regs == NULL) { 56423cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo wiphy_err(hw->wiphy, "Cannot map device registers\n"); 56433cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_iounmap; 56443cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 56453cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 56463cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56470863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo /* 564899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * Choose the initial fw image depending on user input. If a second 564999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * image is available, make it the alternative image that will be 565099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * loaded if the first one fails. 56510863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo */ 565299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo init_completion(&priv->firmware_loading_complete); 56530863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo di = priv->device_info; 565499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (ap_mode_default && di->fw_image_ap) { 565599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref = di->fw_image_ap; 565699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_alt = di->fw_image_sta; 565799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else if (!ap_mode_default && di->fw_image_sta) { 565899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref = di->fw_image_sta; 565999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_alt = di->fw_image_ap; 566099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else if (ap_mode_default && !di->fw_image_ap && di->fw_image_sta) { 56610863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo printk(KERN_WARNING "AP fw is unavailable. Using STA fw."); 566299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref = di->fw_image_sta; 56630863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo } else if (!ap_mode_default && !di->fw_image_sta && di->fw_image_ap) { 56640863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo printk(KERN_WARNING "STA fw is unavailable. Using AP fw."); 566599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref = di->fw_image_ap; 566699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 566799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_init_firmware(hw, priv->fw_pref, true); 56683cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 56693cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_stop_firmware; 567099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return rc; 56713cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5672be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhekerr_stop_firmware: 5673be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek mwl8k_hw_reset(priv); 5674be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5675be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhekerr_iounmap: 5676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->regs != NULL) 5677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_iounmap(pdev, priv->regs); 5678a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 56795b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek if (priv->sram != NULL) 56805b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek pci_iounmap(pdev, priv->sram); 56815b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek 5682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, NULL); 5683a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_free_hw(hw); 5684a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5685a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_reg: 5686a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_release_regions(pdev); 56873db95e50c8813d8ed04a1ec7cd7b77dba7c81c80Lennert Buytenhek 56883db95e50c8813d8ed04a1ec7cd7b77dba7c81c80Lennert Buytenhekerr_disable_device: 5689a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_disable_device(pdev); 5690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5691a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 5692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5693a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5694230f7af0d8f6f2019e64920378b3b66e7d3e99a5Joerg Albertstatic void __devexit mwl8k_shutdown(struct pci_dev *pdev) 5695a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 5696a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "===>%s(%u)\n", __func__, __LINE__); 5697a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5698a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5699230f7af0d8f6f2019e64920378b3b66e7d3e99a5Joerg Albertstatic void __devexit mwl8k_remove(struct pci_dev *pdev) 5700a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 5701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = pci_get_drvdata(pdev); 5702a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 5703a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 5704a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5705a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hw == NULL) 5706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 5707a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv = hw->priv; 5708a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 570999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo wait_for_completion(&priv->firmware_loading_complete); 571099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 571199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (priv->fw_state == FW_STATE_ERROR) { 571299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo mwl8k_hw_reset(priv); 571399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto unmap; 571499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 571599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 5716a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queues(hw); 5717a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 571860aa569f9212a13382c29cc734f275dec0f55e0bLennert Buytenhek ieee80211_unregister_hw(hw); 571960aa569f9212a13382c29cc734f275dec0f55e0bLennert Buytenhek 572067e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek /* Remove TX reclaim and RX tasklets. */ 57211e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_kill(&priv->poll_tx_task); 572267e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_kill(&priv->poll_rx_task); 5723a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop hardware */ 5725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_hw_reset(priv); 5726a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5727a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Return all skbs to mac80211 */ 5728e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 5729efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek mwl8k_txq_reclaim(hw, i, INT_MAX, 1); 5730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5731e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 5732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_deinit(hw, i); 5733a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_rxq_deinit(hw, 0); 5735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5736c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek pci_free_consistent(priv->pdev, 4, priv->cookie, priv->cookie_dma); 5737a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 573899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolounmap: 5739a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_iounmap(pdev, priv->regs); 57405b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek pci_iounmap(pdev, priv->sram); 5741a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, NULL); 5742a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_free_hw(hw); 5743a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_release_regions(pdev); 5744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_disable_device(pdev); 5745a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5746a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5747a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic struct pci_driver mwl8k_driver = { 5748a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .name = MWL8K_NAME, 574945a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek .id_table = mwl8k_pci_id_table, 5750a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .probe = mwl8k_probe, 5751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .remove = __devexit_p(mwl8k_remove), 5752a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .shutdown = __devexit_p(mwl8k_shutdown), 5753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 5754a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5755a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int __init mwl8k_init(void) 5756a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 5757a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return pci_register_driver(&mwl8k_driver); 5758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5759a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5760a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void __exit mwl8k_exit(void) 5761a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 5762a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unregister_driver(&mwl8k_driver); 5763a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5764a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5765a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmodule_init(mwl8k_init); 5766a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmodule_exit(mwl8k_exit); 5767c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek 5768c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_DESCRIPTION(MWL8K_DESC); 5769c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_VERSION(MWL8K_VERSION); 5770c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_AUTHOR("Lennert Buytenhek <buytenh@marvell.com>"); 5771c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_LICENSE("GPL"); 5772