mwl8k.c revision 197a4e4e1f7ef11458f09b4dd74397baf6758133
1a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek * drivers/net/wireless/mwl8k.c 3ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek * Driver for Marvell TOPDOG 802.11 Wireless cards 4a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * 5a5fb297d634ba20bd53a7d6fecd611bbfd342e78Lennert Buytenhek * Copyright (C) 2008, 2009, 2010 Marvell Semiconductor Inc. 6a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * 7a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This file is licensed under the terms of the GNU General Public 8a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * License version 2. This program is licensed "as is" without any 9a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * warranty of any kind, whether express or implied. 10a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 11a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 12a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/init.h> 13a6b7a407865aab9f849dd99a71072b7cd1175116Alexey Dobriyan#include <linux/interrupt.h> 14a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/module.h> 15a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/kernel.h> 163d76e82c9538d8104e578ca460d35f214bfddfd3Lennert Buytenhek#include <linux/sched.h> 17a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/spinlock.h> 18a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/list.h> 19a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/pci.h> 20a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/delay.h> 21a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/completion.h> 22a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/etherdevice.h> 235a0e3ad6af8660be21ca98a971cd00f331318c05Tejun Heo#include <linux/slab.h> 24a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <net/mac80211.h> 25a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/moduleparam.h> 26a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/firmware.h> 27a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/workqueue.h> 28a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 29a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_DESC "Marvell TOPDOG(R) 802.11 Wireless Network Driver" 30a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_NAME KBUILD_MODNAME 3100e8e69270cc8d5b9db98dcb73d26f21c2539010Yogesh Ashok Powar#define MWL8K_VERSION "0.13" 32a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 330863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo/* Module parameters */ 34eb93992207dadb946a3b5cf4544957dc924a6f58Rusty Russellstatic bool ap_mode_default; 350863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolomodule_param(ap_mode_default, bool, 0); 360863ade8d6bde1d151f75720d999ff27f9fe3533Brian CavagnoloMODULE_PARM_DESC(ap_mode_default, 370863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo "Set to 1 to make ap mode the default instead of sta mode"); 380863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo 39a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Register definitions */ 40a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_GEN_PTR 0x00000c10 41ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_MODE_STA 0x0000005a 42ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_MODE_AP 0x000000a5 43a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_INT_CODE 0x00000c14 44ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_FWSTA_READY 0xf0f1f2f4 45ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_FWAP_READY 0xf1f2f4a5 46ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_INT_CODE_CMD_FINISHED 0x00000005 47a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_SCRATCH 0x00000c40 48a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 49a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Host->device communications */ 50a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_EVENTS 0x00000c18 51a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_STATUS 0x00000c1c 52a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_MASK 0x00000c20 53a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_CLEAR_SEL 0x00000c24 54a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_STATUS_MASK 0x00000c28 55ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_DUMMY (1 << 20) 56ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_RESET (1 << 15) 57ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_DOORBELL (1 << 1) 58ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_PPA_READY (1 << 0) 59a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 60a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Device->host communications */ 61a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_EVENTS 0x00000c2c 62a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_STATUS 0x00000c30 63a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_MASK 0x00000c34 64a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL 0x00000c38 65a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK 0x00000c3c 66ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_DUMMY (1 << 20) 673aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam#define MWL8K_A2H_INT_BA_WATCHDOG (1 << 14) 68ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_CHNL_SWITCHED (1 << 11) 69ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_QUEUE_EMPTY (1 << 10) 70ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RADAR_DETECT (1 << 7) 71ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RADIO_ON (1 << 6) 72ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RADIO_OFF (1 << 5) 73ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_MAC_EVENT (1 << 3) 74ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_OPC_DONE (1 << 2) 75ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RX_READY (1 << 1) 76ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_TX_DONE (1 << 0) 77a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 78566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat/* HW micro second timer register 79566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat * located at offset 0xA600. This 80566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat * will be used to timestamp tx 81566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat * packets. 82566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat */ 83566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat 84566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat#define MWL8K_HW_TIMER_REGISTER 0x0000a600 85566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat 86a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_A2H_EVENTS (MWL8K_A2H_INT_DUMMY | \ 87a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_CHNL_SWITCHED | \ 88a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_QUEUE_EMPTY | \ 89a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADAR_DETECT | \ 90a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADIO_ON | \ 91a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADIO_OFF | \ 92a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_MAC_EVENT | \ 93a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_OPC_DONE | \ 94a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RX_READY | \ 953aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam MWL8K_A2H_INT_TX_DONE | \ 963aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam MWL8K_A2H_INT_BA_WATCHDOG) 97a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 98a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_QUEUES 1 99e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo#define MWL8K_TX_WMM_QUEUES 4 1008a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo#define MWL8K_MAX_AMPDU_QUEUES 8 101e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo#define MWL8K_MAX_TX_QUEUES (MWL8K_TX_WMM_QUEUES + MWL8K_MAX_AMPDU_QUEUES) 102e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo#define mwl8k_tx_queues(priv) (MWL8K_TX_WMM_QUEUES + (priv)->num_ampdu_queues) 103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 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; 2016b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar struct task_struct *hw_restart_owner; 202618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek int fw_mutex_depth; 203618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct completion *hostcmd_wait; 204618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 205a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* lock held over TX and TX reap */ 206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spinlock_t tx_lock; 207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 20888de754ad59025eba797e7a8375807755577f450Lennert Buytenhek /* TX quiesce completion, protected by fw_mutex and tx_lock */ 20988de754ad59025eba797e7a8375807755577f450Lennert Buytenhek struct completion *tx_wait; 21088de754ad59025eba797e7a8375807755577f450Lennert Buytenhek 211f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek /* List of interfaces. */ 212ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek u32 macids_used; 213f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct list_head vif_list; 214a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 215a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* power management status cookie from firmware */ 216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 *cookie; 217a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t cookie_dma; 218a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 219a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 num_mcaddrs; 220a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 hw_rev; 2212aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek u32 fw_rev; 222a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 223a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Running count of TX packets in flight, to avoid 225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * iterating over the transmit rings each time. 226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int pending_tx_pkts; 228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue rxq[MWL8K_RX_QUEUES]; 230e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo struct mwl8k_tx_queue txq[MWL8K_MAX_TX_QUEUES]; 231e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo u32 txq_offset[MWL8K_MAX_TX_QUEUES]; 232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 233c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek bool radio_on; 23468ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek bool radio_short_preamble; 235a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek bool sniffer_enabled; 2360439b1f55646ea944b0d58337f5065b79a1c1be0Lennert Buytenhek bool wmm_enabled; 237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* XXX need to convert this to handle multiple interfaces */ 239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek bool capture_beacon; 240d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek u8 capture_bssid[ETH_ALEN]; 241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *beacon_skb; 242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This FJ worker has to be global as it is scheduled from the 245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * RX handler. At this point we don't know which interface it 246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * belongs to until the list of bssids waiting to complete join 247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * is checked. 248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct work_struct finalize_join_worker; 250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2511e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek /* Tasklet to perform TX reclaim. */ 2521e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek struct tasklet_struct poll_tx_task; 25367e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 25467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek /* Tasklet to perform RX. */ 25567e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek struct tasklet_struct poll_rx_task; 2560d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 2570d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville /* Most recently reported noise in dBm */ 2580d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville s8 noise; 2590863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo 2600863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo /* 2610863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo * preserve the queue configurations so they can be restored if/when 2620863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo * the firmware image is swapped. 2630863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo */ 264e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo struct ieee80211_tx_queue_params wmm_params[MWL8K_TX_WMM_QUEUES]; 26599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 2666b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* To perform the task of reloading the firmware */ 2676b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar struct work_struct fw_reload; 2686b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar bool hw_restart_in_progress; 2696b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 27099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo /* async firmware loading state */ 27199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo unsigned fw_state; 27299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo char *fw_pref; 27399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo char *fw_alt; 27499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo struct completion firmware_loading_complete; 275a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 276a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 277e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam#define MAX_WEP_KEY_LEN 13 278e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam#define NUM_WEP_KEYS 4 279e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 280a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Per interface specific private data */ 281a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_vif { 282f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct list_head list; 283f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct ieee80211_vif *vif; 284f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek 285f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek /* Firmware macid for this vif. */ 286f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek int macid; 287f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek 288c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek /* Non AMPDU sequence number assigned by driver. */ 289a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek u16 seqno; 290e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 291e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam /* Saved WEP keys */ 292e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam struct { 293e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam u8 enabled; 294e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam u8 key[sizeof(struct ieee80211_key_conf) + MAX_WEP_KEY_LEN]; 295e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam } wep_key_conf[NUM_WEP_KEYS]; 296d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 297d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam /* BSSID */ 298d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam u8 bssid[ETH_ALEN]; 299d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 300d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam /* A flag to indicate is HW crypto is enabled for this bssid */ 301d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam bool is_hw_crypto_enabled; 302a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 303a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek#define MWL8K_VIF(_vif) ((struct mwl8k_vif *)&((_vif)->drv_priv)) 304fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define IEEE80211_KEY_CONF(_u8) ((struct ieee80211_key_conf *)(_u8)) 305a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 306d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolostruct tx_traffic_info { 307d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo u32 start_time; 308d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo u32 pkts; 309d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo}; 310d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 311d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo#define MWL8K_MAX_TID 8 312a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhekstruct mwl8k_sta { 313a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek /* Index into station database. Returned by UPDATE_STADB. */ 314a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek u8 peer_id; 315170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam u8 is_ampdu_allowed; 316d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct tx_traffic_info tx_stats[MWL8K_MAX_TID]; 317a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek}; 318a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_STA(_sta) ((struct mwl8k_sta *)&((_sta)->drv_priv)) 319a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 320777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhekstatic const struct ieee80211_channel mwl8k_channels_24[] = { 321a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2412, .hw_value = 1, }, 322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2417, .hw_value = 2, }, 323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2422, .hw_value = 3, }, 324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2427, .hw_value = 4, }, 325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2432, .hw_value = 5, }, 326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2437, .hw_value = 6, }, 327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2442, .hw_value = 7, }, 328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2447, .hw_value = 8, }, 329a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2452, .hw_value = 9, }, 330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2457, .hw_value = 10, }, 331a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2462, .hw_value = 11, }, 332647ca6b01a5289948e970ea7c1f656f9d90b0a27Lennert Buytenhek { .center_freq = 2467, .hw_value = 12, }, 333647ca6b01a5289948e970ea7c1f656f9d90b0a27Lennert Buytenhek { .center_freq = 2472, .hw_value = 13, }, 334647ca6b01a5289948e970ea7c1f656f9d90b0a27Lennert Buytenhek { .center_freq = 2484, .hw_value = 14, }, 335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 337777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhekstatic const struct ieee80211_rate mwl8k_rates_24[] = { 338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 10, .hw_value = 2, }, 339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 20, .hw_value = 4, }, 340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 55, .hw_value = 11, }, 3415dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek { .bitrate = 110, .hw_value = 22, }, 3425dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek { .bitrate = 220, .hw_value = 44, }, 343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 60, .hw_value = 12, }, 344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 90, .hw_value = 18, }, 345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 120, .hw_value = 24, }, 346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 180, .hw_value = 36, }, 347a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 240, .hw_value = 48, }, 348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 360, .hw_value = 72, }, 349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 480, .hw_value = 96, }, 350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 540, .hw_value = 108, }, 351140eb5e2c1978622d7cd979d59a1c0586fe3bbdbLennert Buytenhek { .bitrate = 720, .hw_value = 144, }, 352140eb5e2c1978622d7cd979d59a1c0586fe3bbdbLennert Buytenhek}; 353140eb5e2c1978622d7cd979d59a1c0586fe3bbdbLennert Buytenhek 3544eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhekstatic const struct ieee80211_channel mwl8k_channels_50[] = { 3554eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .center_freq = 5180, .hw_value = 36, }, 3564eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .center_freq = 5200, .hw_value = 40, }, 3574eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .center_freq = 5220, .hw_value = 44, }, 3584eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .center_freq = 5240, .hw_value = 48, }, 3594eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek}; 3604eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 3614eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhekstatic const struct ieee80211_rate mwl8k_rates_50[] = { 3624eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 60, .hw_value = 12, }, 3634eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 90, .hw_value = 18, }, 3644eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 120, .hw_value = 24, }, 3654eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 180, .hw_value = 36, }, 3664eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 240, .hw_value = 48, }, 3674eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 360, .hw_value = 72, }, 3684eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 480, .hw_value = 96, }, 3694eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 540, .hw_value = 108, }, 3704eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek { .bitrate = 720, .hw_value = 144, }, 3714eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek}; 3724eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 373a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Set or get info from Firmware */ 374a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET 0x0000 37541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_CMD_SET 0x0001 37641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_CMD_SET_LIST 0x0002 377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Firmware command codes */ 379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_CODE_DNLD 0x0001 380a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET_HW_SPEC 0x0003 38142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek#define MWL8K_CMD_SET_HW_SPEC 0x0004 382a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_MAC_MULTICAST_ADR 0x0010 383a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET_STAT 0x0014 384ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RADIO_CONTROL 0x001c 385ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RF_TX_POWER 0x001e 38641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_CMD_TX_POWER 0x001f 38708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek#define MWL8K_CMD_RF_ANTENNA 0x0020 388aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek#define MWL8K_CMD_SET_BEACON 0x0100 /* per-vif */ 389a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_PRE_SCAN 0x0107 390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_POST_SCAN 0x0108 391ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_RF_CHANNEL 0x010a 392ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_AID 0x010d 393ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_RATE 0x0110 394ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_FINALIZE_JOIN 0x0111 395ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RTS_THRESHOLD 0x0113 396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_SLOT 0x0114 397ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_EDCA_PARAMS 0x0115 398ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_WMM_MODE 0x0123 399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_MIMO_CONFIG 0x0125 400ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_USE_FIXED_RATE 0x0126 401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_ENABLE_SNIFFER 0x0150 402aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek#define MWL8K_CMD_SET_MAC_ADDR 0x0202 /* per-vif */ 403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_RATEADAPT_MODE 0x0203 4043aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam#define MWL8K_CMD_GET_WATCHDOG_BITMAP 0x0205 405197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar#define MWL8K_CMD_DEL_MAC_ADDR 0x0206 /* per-vif */ 406aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek#define MWL8K_CMD_BSS_START 0x1100 /* per-vif */ 407aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek#define MWL8K_CMD_SET_NEW_STN 0x1111 /* per-vif */ 408fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_CMD_UPDATE_ENCRYPTION 0x1122 /* per-vif */ 409ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_UPDATE_STADB 0x1123 4105faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam#define MWL8K_CMD_BASTREAM 0x1125 411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 412b603742f49c3ec922522602e18ac22e8f6835132John W. Linvillestatic const char *mwl8k_cmd_name(__le16 cmd, char *buf, int bufsize) 413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 414b603742f49c3ec922522602e18ac22e8f6835132John W. Linville u16 command = le16_to_cpu(cmd); 415b603742f49c3ec922522602e18ac22e8f6835132John W. Linville 416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMDNAME(x) case MWL8K_CMD_##x: do {\ 417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(buf, bufsize, "%s", #x);\ 418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return buf;\ 419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (0) 420b603742f49c3ec922522602e18ac22e8f6835132John W. Linville switch (command & ~0x8000) { 421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(CODE_DNLD); 422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(GET_HW_SPEC); 42342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek MWL8K_CMDNAME(SET_HW_SPEC); 424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(MAC_MULTICAST_ADR); 425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(GET_STAT); 426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(RADIO_CONTROL); 427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(RF_TX_POWER); 42841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam MWL8K_CMDNAME(TX_POWER); 42908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek MWL8K_CMDNAME(RF_ANTENNA); 430b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek MWL8K_CMDNAME(SET_BEACON); 431a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_PRE_SCAN); 432a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_POST_SCAN); 433a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_RF_CHANNEL); 434ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_AID); 435ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_RATE); 436ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_FINALIZE_JOIN); 437ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(RTS_THRESHOLD); 438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_SLOT); 439ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_EDCA_PARAMS); 440ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_WMM_MODE); 441a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(MIMO_CONFIG); 442ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(USE_FIXED_RATE); 443a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(ENABLE_SNIFFER); 44432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek MWL8K_CMDNAME(SET_MAC_ADDR); 445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_RATEADAPT_MODE); 446b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek MWL8K_CMDNAME(BSS_START); 4473f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek MWL8K_CMDNAME(SET_NEW_STN); 448fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_CMDNAME(UPDATE_ENCRYPTION); 449ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(UPDATE_STADB); 4505faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_CMDNAME(BASTREAM); 4513aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam MWL8K_CMDNAME(GET_WATCHDOG_BITMAP); 452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek default: 453a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(buf, bufsize, "0x%x", cmd); 454a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 455a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#undef MWL8K_CMDNAME 456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 457a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return buf; 458a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 459a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 460a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Hardware and firmware reset */ 461a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_hw_reset(struct mwl8k_priv *priv) 462a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 463a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_RESET, 464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_RESET, 466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msleep(20); 468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Release fw image */ 471d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolostatic void mwl8k_release_fw(const struct firmware **fw) 472a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (*fw == NULL) 474a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 475a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek release_firmware(*fw); 476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek *fw = NULL; 477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_release_firmware(struct mwl8k_priv *priv) 480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 48122be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek mwl8k_release_fw(&priv->fw_ucode); 48222be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek mwl8k_release_fw(&priv->fw_helper); 483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 48599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo/* states for asynchronous f/w loading */ 48699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic void mwl8k_fw_state_machine(const struct firmware *fw, void *context); 48799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnoloenum { 48899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo FW_STATE_INIT = 0, 48999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo FW_STATE_LOADING_PREF, 49099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo FW_STATE_LOADING_ALT, 49199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo FW_STATE_ERROR, 49299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo}; 49399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Request fw image */ 495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_request_fw(struct mwl8k_priv *priv, 496d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo const char *fname, const struct firmware **fw, 49799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo bool nowait) 498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* release current image */ 500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (*fw != NULL) 501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_fw(fw); 502a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 50399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (nowait) 50499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return request_firmware_nowait(THIS_MODULE, 1, fname, 50599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->pdev->dev, GFP_KERNEL, 50699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv, mwl8k_fw_state_machine); 50799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 508d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo return request_firmware(fw, fname, &priv->pdev->dev); 509a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 51199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic int mwl8k_request_firmware(struct mwl8k_priv *priv, char *fw_image, 51299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo bool nowait) 513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 514a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek struct mwl8k_device_info *di = priv->device_info; 515a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 516a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 517a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek if (di->helper_image != NULL) { 51899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (nowait) 51999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, di->helper_image, 52099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->fw_helper, true); 52199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 52299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, di->helper_image, 52399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->fw_helper, false); 52499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 52599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting helper fw %s\n", 52699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo pci_name(priv->pdev), di->helper_image); 52799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 52899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc || nowait) 529a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek return rc; 530a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 531a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 53299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (nowait) { 53399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo /* 53499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * if we get here, no helper image is needed. Skip the 53599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * FW_STATE_INIT state. 53699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo */ 53799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_LOADING_PREF; 53899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, fw_image, 53999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->fw_ucode, 54099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo true); 54199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else 54299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, fw_image, 54399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo &priv->fw_ucode, false); 544a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 545c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Error requesting firmware file %s\n", 5460863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo pci_name(priv->pdev), fw_image); 54722be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek mwl8k_release_fw(&priv->fw_helper); 548a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 549a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 550a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 551a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 552a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 553a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 554a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_pkt { 555a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 code; 556a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 length; 557f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek __u8 seq_num; 558f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek __u8 macid; 559a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 result; 560a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek char payload[0]; 561ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 562a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 563a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 564a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Firmware loading. 565a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 566a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 567a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_send_fw_load_cmd(struct mwl8k_priv *priv, void *data, int length) 568a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 569a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs = priv->regs; 570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma_addr; 571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int loops; 572a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 573a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr = pci_map_single(priv->pdev, data, length, PCI_DMA_TODEVICE); 574a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma_addr)) 575a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 576a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR); 578a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, regs + MWL8K_HIU_INT_CODE); 579a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DOORBELL, 580a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 581a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 582a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 583a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 584a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek loops = 1000; 585a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 int_code; 587a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 588a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int_code = ioread32(regs + MWL8K_HIU_INT_CODE); 589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (int_code == MWL8K_INT_CODE_CMD_FINISHED) { 590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, regs + MWL8K_HIU_INT_CODE); 591a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 592a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5943d76e82c9538d8104e578ca460d35f214bfddfd3Lennert Buytenhek cond_resched(); 595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (--loops); 597a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 598a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, length, PCI_DMA_TODEVICE); 599a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 600d4b7057052236e81ab0788cc8df306dc02b0e7beLennert Buytenhek return loops ? 0 : -ETIMEDOUT; 601a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_load_fw_image(struct mwl8k_priv *priv, 604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *data, size_t length) 605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt *cmd; 607a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int done; 608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc = 0; 609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 610a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kmalloc(sizeof(*cmd) + 256, GFP_KERNEL); 611a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 613a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->code = cpu_to_le16(MWL8K_CMD_CODE_DNLD); 615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->seq_num = 0; 616f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek cmd->macid = 0; 617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->result = 0; 618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done = 0; 620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (length) { 621a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int block_size = length > 256 ? 256 : length; 622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 623a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(cmd->payload, data + done, block_size); 624a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->length = cpu_to_le16(block_size); 625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 626a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, cmd, 627a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(*cmd) + block_size); 628a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 629a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 630a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 631a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done += block_size; 632a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek length -= block_size; 633a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 635a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->length = 0; 637a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, cmd, sizeof(*cmd)); 638a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 639a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 641a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 642a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 645a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_feed_fw_image(struct mwl8k_priv *priv, 646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *data, size_t length) 647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned char *buffer; 649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int may_continue, rc = 0; 650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 done, prev_block_size; 651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek buffer = kmalloc(1024, GFP_KERNEL); 653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (buffer == NULL) 654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done = 0; 657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prev_block_size = 0; 658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue = 1000; 659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (may_continue > 0) { 660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 block_size; 661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek block_size = ioread32(priv->regs + MWL8K_HIU_SCRATCH); 663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size & 1) { 664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek block_size &= ~1; 665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue--; 666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done += prev_block_size; 668a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek length -= prev_block_size; 669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 671a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size > 1024 || block_size > length) { 672a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EOVERFLOW; 673a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 674a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 675a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (length == 0) { 677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = 0; 678a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 679a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 680a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 681a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size == 0) { 682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EPROTO; 683a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue--; 684a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 685a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek continue; 686a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 687a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prev_block_size = block_size; 689a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(buffer, data + done, block_size); 690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 691a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, buffer, block_size); 692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 693a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 694a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 695a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 696a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc && length != 0) 697a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EREMOTEIO; 698a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 699a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(buffer); 700a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 702a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 703a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 704c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhekstatic int mwl8k_load_firmware(struct ieee80211_hw *hw) 705a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 706c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 707d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo const struct firmware *fw = priv->fw_ucode; 708c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek int rc; 709c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek int loops; 710c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek 711c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek if (!memcmp(fw->data, "\x01\x00\x00\x00", 4)) { 712d1f9e41d1d739cd4393840d35e7554f4a439a4f1Brian Cavagnolo const struct firmware *helper = priv->fw_helper; 713a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 714c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek if (helper == NULL) { 715c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: helper image needed but none " 716c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "given\n", pci_name(priv->pdev)); 717c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek return -EINVAL; 718c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek } 719a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 720c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_load_fw_image(priv, helper->data, helper->size); 721a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 722a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: unable to load firmware " 723c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "helper image\n", pci_name(priv->pdev)); 724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 726ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar msleep(20); 727a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 728c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_feed_fw_image(priv, fw->data, fw->size); 729a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 730c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_load_fw_image(priv, fw->data, fw->size); 731a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 733a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 734c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: unable to load firmware image\n", 735c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek pci_name(priv->pdev)); 736a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 737a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 738a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 73989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek iowrite32(MWL8K_MODE_STA, priv->regs + MWL8K_HIU_GEN_PTR); 740a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 74189b872e2e476833cde8aaac658c75817f67e8f81Lennert Buytenhek loops = 500000; 742a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 743eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek u32 ready_code; 744eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek 745eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek ready_code = ioread32(priv->regs + MWL8K_HIU_INT_CODE); 746eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek if (ready_code == MWL8K_FWAP_READY) { 7473db1cd5c05f35fb43eb134df6f321de4e63141f2Rusty Russell priv->ap_fw = true; 748eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek break; 749eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek } else if (ready_code == MWL8K_FWSTA_READY) { 7503db1cd5c05f35fb43eb134df6f321de4e63141f2Rusty Russell priv->ap_fw = false; 751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 752eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek } 753eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek 754eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek cond_resched(); 755a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 756a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (--loops); 757a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return loops ? 0 : -ETIMEDOUT; 759a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 760a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 761a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 762a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* DMA header used by firmware and hardware. */ 763a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_dma_data { 764a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 fwlen; 765a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr wh; 76620f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek char data[0]; 767ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 768a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 769a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Routines to add/remove DMA header from skb. */ 77020f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhekstatic inline void mwl8k_remove_dma_header(struct sk_buff *skb, __le16 qos) 771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 77220f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek struct mwl8k_dma_data *tr; 77320f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek int hdrlen; 77420f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 77520f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek tr = (struct mwl8k_dma_data *)skb->data; 77620f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek hdrlen = ieee80211_hdrlen(tr->wh.frame_control); 77720f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 77820f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek if (hdrlen != sizeof(tr->wh)) { 77920f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek if (ieee80211_is_data_qos(tr->wh.frame_control)) { 78020f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek memmove(tr->data - hdrlen, &tr->wh, hdrlen - 2); 78120f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek *((__le16 *)(tr->data - 2)) = qos; 78220f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek } else { 78320f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek memmove(tr->data - hdrlen, &tr->wh, hdrlen); 78420f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek } 785a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 78620f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 78720f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek if (hdrlen != sizeof(*tr)) 78820f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek skb_pull(skb, sizeof(*tr) - hdrlen); 789a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 790a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 791ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar#define REDUCED_TX_HEADROOM 8 792ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 793252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadamstatic void 794e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powarmwl8k_add_dma_header(struct mwl8k_priv *priv, struct sk_buff *skb, 795e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar int head_pad, int tail_pad) 796a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 797a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 798ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek int hdrlen; 799252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam int reqd_hdrlen; 800a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_dma_data *tr; 801a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 802ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek /* 803ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * Add a firmware DMA header; the firmware requires that we 804ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * present a 2-byte payload length followed by a 4-address 805ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * header (without QoS field), followed (optionally) by any 806ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * WEP/ExtIV header (but only filled in for CCMP). 807ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek */ 808a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 809ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek 810a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hdrlen = ieee80211_hdrlen(wh->frame_control); 811ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 812ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar /* 813ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar * Check if skb_resize is required because of 814ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar * tx_headroom adjustment. 815ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar */ 816ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar if (priv->ap_fw && (hdrlen < (sizeof(struct ieee80211_cts) 817ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar + REDUCED_TX_HEADROOM))) { 818ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar if (pskb_expand_head(skb, REDUCED_TX_HEADROOM, 0, GFP_ATOMIC)) { 819ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 820ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar wiphy_err(priv->hw->wiphy, 821ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar "Failed to reallocate TX buffer\n"); 822ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar return; 823ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar } 824ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar skb->truesize += REDUCED_TX_HEADROOM; 825ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar } 826ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 827e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar reqd_hdrlen = sizeof(*tr) + head_pad; 828252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam 829252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam if (hdrlen != reqd_hdrlen) 830252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam skb_push(skb, reqd_hdrlen - hdrlen); 831a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 832ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek if (ieee80211_is_data_qos(wh->frame_control)) 833252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam hdrlen -= IEEE80211_QOS_CTL_LEN; 834a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 835a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tr = (struct mwl8k_dma_data *)skb->data; 836a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (wh != &tr->wh) 837a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memmove(&tr->wh, wh, hdrlen); 838ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek if (hdrlen != sizeof(tr->wh)) 839ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek memset(((void *)&tr->wh) + hdrlen, 0, sizeof(tr->wh) - hdrlen); 840a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 841a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 842a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Firmware length is the length of the fully formed "802.11 843a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * payload". That is, everything except for the 802.11 header. 844a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This includes all crypto material including the MIC. 845a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 846252486a13a36e2846ff046c18aae67658692ecedNishant Sarmukadam tr->fwlen = cpu_to_le16(skb->len - sizeof(*tr) + tail_pad); 847a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 848a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 849ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powarstatic void mwl8k_encapsulate_tx_frame(struct mwl8k_priv *priv, 850ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar struct sk_buff *skb) 851e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam{ 852e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam struct ieee80211_hdr *wh; 853e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam struct ieee80211_tx_info *tx_info; 854e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam struct ieee80211_key_conf *key_conf; 855e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam int data_pad; 856e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar int head_pad = 0; 857e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 858e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam wh = (struct ieee80211_hdr *)skb->data; 859e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 860e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam tx_info = IEEE80211_SKB_CB(skb); 861e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 862e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam key_conf = NULL; 863e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam if (ieee80211_is_data(wh->frame_control)) 864e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam key_conf = tx_info->control.hw_key; 865e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam 866e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam /* 867e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * Make sure the packet header is in the DMA header format (4-address 868e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar * without QoS), and add head & tail padding when HW crypto is enabled. 869e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * 870e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * We have the following trailer padding requirements: 871e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * - WEP: 4 trailer bytes (ICV) 872e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * - TKIP: 12 trailer bytes (8 MIC + 4 ICV) 873e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam * - CCMP: 8 trailer bytes (MIC) 874e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam */ 875e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam data_pad = 0; 876e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam if (key_conf != NULL) { 877e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar head_pad = key_conf->iv_len; 878e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam switch (key_conf->cipher) { 879e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam case WLAN_CIPHER_SUITE_WEP40: 880e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam case WLAN_CIPHER_SUITE_WEP104: 881e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam data_pad = 4; 882e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam break; 883e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam case WLAN_CIPHER_SUITE_TKIP: 884e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam data_pad = 12; 885e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam break; 886e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam case WLAN_CIPHER_SUITE_CCMP: 887e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam data_pad = 8; 888e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam break; 889e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam } 890e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam } 891e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar mwl8k_add_dma_header(priv, skb, head_pad, data_pad); 892e53d9b964e2568172149d41b3157af9cde9accafNishant Sarmukadam} 893a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 89589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek * Packet reception for 88w8366 AP firmware. 8966f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek */ 89789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstruct mwl8k_rxd_8366_ap { 8986f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le16 pkt_len; 8996f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 sq2; 9006f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rate; 9016f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 pkt_phys_addr; 9026f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 next_rxd_phys_addr; 9036f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le16 qos_control; 9046f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le16 htsig2; 9056f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 hw_rssi_info; 9066f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 hw_noise_floor_info; 9076f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 noise_floor; 9086f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 pad0[3]; 9096f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rssi; 9106f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rx_status; 9116f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 channel; 9126f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rx_ctrl; 913ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 9146f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 91589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RATE_INFO_MCS_FORMAT 0x80 91689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RATE_INFO_40MHZ 0x40 91789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RATE_INFO_RATEID(x) ((x) & 0x3f) 9188e9f33f0ced82a797d285b233e1c956cbd5c7de3Lennert Buytenhek 91989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RX_CTRL_OWNED_BY_HOST 0x80 9206f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 921d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam/* 8366 AP rx_status bits */ 922d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_8366_AP_RXSTAT_DECRYPT_ERR_MASK 0x80 923d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_8366_AP_RXSTAT_GENERAL_DECRYPT_ERR 0xFF 924d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_8366_AP_RXSTAT_TKIP_DECRYPT_MIC_ERR 0x02 925d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_8366_AP_RXSTAT_WEP_DECRYPT_ICV_ERR 0x04 926d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_8366_AP_RXSTAT_TKIP_DECRYPT_ICV_ERR 0x08 927d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 92889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_8366_ap_init(void *_rxd, dma_addr_t next_dma_addr) 9296f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek{ 93089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_8366_ap *rxd = _rxd; 9316f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9326f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->next_rxd_phys_addr = cpu_to_le32(next_dma_addr); 93389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek rxd->rx_ctrl = MWL8K_8366_AP_RX_CTRL_OWNED_BY_HOST; 9346f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek} 9356f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 93689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_8366_ap_refill(void *_rxd, dma_addr_t addr, int len) 9376f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek{ 93889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_8366_ap *rxd = _rxd; 9396f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9406f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->pkt_len = cpu_to_le16(len); 9416f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->pkt_phys_addr = cpu_to_le32(addr); 9426f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek wmb(); 9436f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->rx_ctrl = 0; 9446f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek} 9456f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9466f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhekstatic int 94789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekmwl8k_rxd_8366_ap_process(void *_rxd, struct ieee80211_rx_status *status, 9480d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville __le16 *qos, s8 *noise) 9496f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek{ 95089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_8366_ap *rxd = _rxd; 9516f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 95289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (!(rxd->rx_ctrl & MWL8K_8366_AP_RX_CTRL_OWNED_BY_HOST)) 9536f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek return -1; 9546f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rmb(); 9556f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9566f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek memset(status, 0, sizeof(*status)); 9576f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 9586f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->signal = -rxd->rssi; 9590d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville *noise = -rxd->noise_floor; 9606f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 96189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rxd->rate & MWL8K_8366_AP_RATE_INFO_MCS_FORMAT) { 9626f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->flag |= RX_FLAG_HT; 96389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rxd->rate & MWL8K_8366_AP_RATE_INFO_40MHZ) 9648e9f33f0ced82a797d285b233e1c956cbd5c7de3Lennert Buytenhek status->flag |= RX_FLAG_40MHZ; 96589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek status->rate_idx = MWL8K_8366_AP_RATE_INFO_RATEID(rxd->rate); 9666f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } else { 9676f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek int i; 9686f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 969777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek for (i = 0; i < ARRAY_SIZE(mwl8k_rates_24); i++) { 970777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek if (mwl8k_rates_24[i].hw_value == rxd->rate) { 9716f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->rate_idx = i; 9726f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek break; 9736f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } 9746f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } 9756f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } 9766f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 977854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek if (rxd->channel > 14) { 978854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->band = IEEE80211_BAND_5GHZ; 979854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek if (!(status->flag & RX_FLAG_HT)) 980854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->rate_idx -= 5; 981854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek } else { 982854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->band = IEEE80211_BAND_2GHZ; 983854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek } 98459eb21a6504731fc16db4cf9463065dd61093e08Bruno Randolf status->freq = ieee80211_channel_to_frequency(rxd->channel, 98559eb21a6504731fc16db4cf9463065dd61093e08Bruno Randolf status->band); 9866f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 98720f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek *qos = rxd->qos_control; 98820f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 989d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if ((rxd->rx_status != MWL8K_8366_AP_RXSTAT_GENERAL_DECRYPT_ERR) && 990d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam (rxd->rx_status & MWL8K_8366_AP_RXSTAT_DECRYPT_ERR_MASK) && 991d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam (rxd->rx_status & MWL8K_8366_AP_RXSTAT_TKIP_DECRYPT_MIC_ERR)) 992d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam status->flag |= RX_FLAG_MMIC_ERROR; 993d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 9946f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek return le16_to_cpu(rxd->pkt_len); 9956f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek} 9966f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 99789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic struct rxd_ops rxd_8366_ap_ops = { 99889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_size = sizeof(struct mwl8k_rxd_8366_ap), 99989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_init = mwl8k_rxd_8366_ap_init, 100089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_refill = mwl8k_rxd_8366_ap_refill, 100189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_process = mwl8k_rxd_8366_ap_process, 10026f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek}; 10036f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 10046f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek/* 100589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek * Packet reception for STA firmware. 1006a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 100789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstruct mwl8k_rxd_sta { 1008a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pkt_len; 1009a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 link_quality; 1010a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 noise_level; 1011a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pkt_phys_addr; 101245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 next_rxd_phys_addr; 1013a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 qos_control; 1014a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 rate_info; 1015a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pad0[4]; 1016a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rssi; 1017a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 channel; 1018a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pad1; 1019a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_ctrl; 1020a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_status; 1021a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 pad2[2]; 1022ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 1023a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 102489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_SHORTPRE 0x8000 102589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_ANTSELECT(x) (((x) >> 11) & 0x3) 102689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_RATEID(x) (((x) >> 3) & 0x3f) 102789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_40MHZ 0x0004 102889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_SHORTGI 0x0002 102989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_MCS_FORMAT 0x0001 103054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 103189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RX_CTRL_OWNED_BY_HOST 0x02 1032d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_STA_RX_CTRL_DECRYPT_ERROR 0x04 1033d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam/* ICV=0 or MIC=1 */ 1034d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_STA_RX_CTRL_DEC_ERR_TYPE 0x08 1035d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam/* Key is uploaded only in failure case */ 1036d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam#define MWL8K_STA_RX_CTRL_KEY_INDEX 0x30 103754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 103889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_sta_init(void *_rxd, dma_addr_t next_dma_addr) 103954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek{ 104089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_sta *rxd = _rxd; 104154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 104254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->next_rxd_phys_addr = cpu_to_le32(next_dma_addr); 104389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek rxd->rx_ctrl = MWL8K_STA_RX_CTRL_OWNED_BY_HOST; 104454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek} 104554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 104689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_sta_refill(void *_rxd, dma_addr_t addr, int len) 104754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek{ 104889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_sta *rxd = _rxd; 104954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 105054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->pkt_len = cpu_to_le16(len); 105154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->pkt_phys_addr = cpu_to_le32(addr); 105254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek wmb(); 105354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->rx_ctrl = 0; 105454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek} 105554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 105654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhekstatic int 105789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekmwl8k_rxd_sta_process(void *_rxd, struct ieee80211_rx_status *status, 10580d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville __le16 *qos, s8 *noise) 105954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek{ 106089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_sta *rxd = _rxd; 106154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek u16 rate_info; 106254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 106389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (!(rxd->rx_ctrl & MWL8K_STA_RX_CTRL_OWNED_BY_HOST)) 106454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek return -1; 106554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rmb(); 106654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 106754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rate_info = le16_to_cpu(rxd->rate_info); 106854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 106954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek memset(status, 0, sizeof(*status)); 107054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 107154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->signal = -rxd->rssi; 10720d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville *noise = -rxd->noise_level; 107389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek status->antenna = MWL8K_STA_RATE_INFO_ANTSELECT(rate_info); 107489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek status->rate_idx = MWL8K_STA_RATE_INFO_RATEID(rate_info); 107554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 107689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_SHORTPRE) 107754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_SHORTPRE; 107889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_40MHZ) 107954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_40MHZ; 108089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_SHORTGI) 108154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_SHORT_GI; 108289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_MCS_FORMAT) 108354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_HT; 108454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 1085854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek if (rxd->channel > 14) { 1086854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->band = IEEE80211_BAND_5GHZ; 1087854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek if (!(status->flag & RX_FLAG_HT)) 1088854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->rate_idx -= 5; 1089854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek } else { 1090854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek status->band = IEEE80211_BAND_2GHZ; 1091854783444bab0024556c0aefdb0a860f2f1da286Lennert Buytenhek } 109259eb21a6504731fc16db4cf9463065dd61093e08Bruno Randolf status->freq = ieee80211_channel_to_frequency(rxd->channel, 109359eb21a6504731fc16db4cf9463065dd61093e08Bruno Randolf status->band); 109454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 109520f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek *qos = rxd->qos_control; 1096d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if ((rxd->rx_ctrl & MWL8K_STA_RX_CTRL_DECRYPT_ERROR) && 1097d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam (rxd->rx_ctrl & MWL8K_STA_RX_CTRL_DEC_ERR_TYPE)) 1098d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam status->flag |= RX_FLAG_MMIC_ERROR; 109920f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 110054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek return le16_to_cpu(rxd->pkt_len); 110154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek} 110254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 110389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic struct rxd_ops rxd_sta_ops = { 110489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_size = sizeof(struct mwl8k_rxd_sta), 110589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_init = mwl8k_rxd_sta_init, 110689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_refill = mwl8k_rxd_sta_refill, 110789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_process = mwl8k_rxd_sta_process, 110854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek}; 110954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 111054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 1111a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_DESCS 256 1112a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_MAXSZ 3800 1113a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1114a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_rxq_init(struct ieee80211_hw *hw, int index) 1115a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1116a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1117a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 1118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int size; 1119a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1120a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 112145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd_count = 0; 112245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->head = 0; 112345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->tail = 0; 1124a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 112554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek size = MWL8K_RX_DESCS * priv->rxd_ops->rxd_size; 1126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 112745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd = pci_alloc_consistent(priv->pdev, size, &rxq->rxd_dma); 112845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (rxq->rxd == NULL) { 11295db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to alloc RX descriptors\n"); 1130a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1131a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 113245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek memset(rxq->rxd, 0, size); 1133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1134b9ede5f1dc03f96949dcaa8f8b3483766c047260Shan Wei rxq->buf = kcalloc(MWL8K_RX_DESCS, sizeof(*rxq->buf), GFP_KERNEL); 1135788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek if (rxq->buf == NULL) { 11365db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to alloc RX skbuff list\n"); 113745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek pci_free_consistent(priv->pdev, size, rxq->rxd, rxq->rxd_dma); 1138a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1139a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1140a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1141a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_RX_DESCS; i++) { 114254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek int desc_size; 114354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 1144a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int nexti; 114554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek dma_addr_t next_dma_addr; 114654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 114754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek desc_size = priv->rxd_ops->rxd_size; 114854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd = rxq->rxd + (i * priv->rxd_ops->rxd_size); 1149a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 115054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek nexti = i + 1; 115154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (nexti == MWL8K_RX_DESCS) 115254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek nexti = 0; 115354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek next_dma_addr = rxq->rxd_dma + (nexti * desc_size); 1154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 115554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek priv->rxd_ops->rxd_init(rxd, next_dma_addr); 1156a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1159a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int rxq_refill(struct ieee80211_hw *hw, int index, int limit) 1162a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1163a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1164a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 1165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int refilled; 1166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek refilled = 0; 116845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek while (rxq->rxd_count < MWL8K_RX_DESCS && limit--) { 1169a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 1170788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek dma_addr_t addr; 1171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rx; 117254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 1173a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1174a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb = dev_alloc_skb(MWL8K_RX_MAXSZ); 1175a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (skb == NULL) 1176a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 1177a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1178788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek addr = pci_map_single(priv->pdev, skb->data, 1179788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, DMA_FROM_DEVICE); 1180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 118154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->rxd_count++; 118254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rx = rxq->tail++; 118354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (rxq->tail == MWL8K_RX_DESCS) 118454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->tail = 0; 1185788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[rx].skb = skb; 118653b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr_set(&rxq->buf[rx], dma, addr); 118754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 118854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd = rxq->rxd + (rx * priv->rxd_ops->rxd_size); 118954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek priv->rxd_ops->rxd_refill(rxd, addr, MWL8K_RX_MAXSZ); 1190a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1191a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek refilled++; 1192a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return refilled; 1195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Must be called only when the card's reception is completely halted */ 1198a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_rxq_deinit(struct ieee80211_hw *hw, int index) 1199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1200a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1201a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 1202a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1203a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 120473b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (rxq->rxd == NULL) 120573b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo return; 120673b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo 1207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_RX_DESCS; i++) { 1208788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek if (rxq->buf[i].skb != NULL) { 1209788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_single(priv->pdev, 121053b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr(&rxq->buf[i], dma), 1211788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE); 121253b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr_set(&rxq->buf[i], dma, 0); 1213788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek 1214788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek kfree_skb(rxq->buf[i].skb); 1215788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[i].skb = NULL; 1216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1217a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1218a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1219788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek kfree(rxq->buf); 1220788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf = NULL; 1221a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1222a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 122354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek MWL8K_RX_DESCS * priv->rxd_ops->rxd_size, 122445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd, rxq->rxd_dma); 122545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd = NULL; 1226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Scan a list of BSSIDs to process for finalize join. 1231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Allows for extension to process multiple BSSIDs. 1232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline int 1234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_capture_bssid(struct mwl8k_priv *priv, struct ieee80211_hdr *wh) 1235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return priv->capture_beacon && 1237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_is_beacon(wh->frame_control) && 1238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek !compare_ether_addr(wh->addr3, priv->capture_bssid); 1239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 12413779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhekstatic inline void mwl8k_save_beacon(struct ieee80211_hw *hw, 12423779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek struct sk_buff *skb) 1243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 12443779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 12453779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek 1246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = false; 1247d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memset(priv->capture_bssid, 0, ETH_ALEN); 1248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 1250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Use GFP_ATOMIC as rxq_process is called from 1251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * the primary interrupt handler, memory allocation call 1252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * must not sleep. 1253a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->beacon_skb = skb_copy(skb, GFP_ATOMIC); 1255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->beacon_skb != NULL) 12563779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek ieee80211_queue_work(hw, &priv->finalize_join_worker); 1257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1258a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1259d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadamstatic inline struct mwl8k_vif *mwl8k_find_vif_bss(struct list_head *vif_list, 1260d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam u8 *bssid) 1261d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam{ 1262d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam struct mwl8k_vif *mwl8k_vif; 1263d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1264d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam list_for_each_entry(mwl8k_vif, 1265d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam vif_list, list) { 1266d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (memcmp(bssid, mwl8k_vif->bssid, 1267d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam ETH_ALEN) == 0) 1268d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam return mwl8k_vif; 1269d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 1270d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1271d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam return NULL; 1272d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam} 1273d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int rxq_process(struct ieee80211_hw *hw, int index, int limit) 1275a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1276a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1277d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam struct mwl8k_vif *mwl8k_vif = NULL; 1278a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 1279a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int processed; 1280a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1281a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek processed = 0; 128245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek while (rxq->rxd_count && limit--) { 1283a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 128454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 128554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek int pkt_len; 1286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rx_status status; 1287d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam struct ieee80211_hdr *wh; 128820f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek __le16 qos; 1289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1290788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek skb = rxq->buf[rxq->head].skb; 1291d25f9f1357139bbdc79bc960ea84909a7c22ec2bLennert Buytenhek if (skb == NULL) 1292d25f9f1357139bbdc79bc960ea84909a7c22ec2bLennert Buytenhek break; 129354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 129454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd = rxq->rxd + (rxq->head * priv->rxd_ops->rxd_size); 129554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 12960d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville pkt_len = priv->rxd_ops->rxd_process(rxd, &status, &qos, 12970d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville &priv->noise); 129854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (pkt_len < 0) 129954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek break; 130054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 1301788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[rxq->head].skb = NULL; 1302788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek 1303788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_single(priv->pdev, 130453b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr(&rxq->buf[rxq->head], dma), 1305788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE); 130653b1b3e1f0feaa57b82d3dc344d887fe3eecc90bFUJITA Tomonori dma_unmap_addr_set(&rxq->buf[rxq->head], dma, 0); 1307a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 130854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->head++; 130954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (rxq->head == MWL8K_RX_DESCS) 131054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->head = 0; 131154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 131245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd_count--; 1313a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1314d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam wh = &((struct mwl8k_dma_data *)skb->data)->wh; 1315a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 1317c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * Check for a pending join operation. Save a 1318c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * copy of the beacon and schedule a tasklet to 1319c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * send a FINALIZE_JOIN command to the firmware. 1320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 132154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (mwl8k_capture_bssid(priv, (void *)skb->data)) 13223779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek mwl8k_save_beacon(hw, skb); 1323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1324d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (ieee80211_has_protected(wh->frame_control)) { 1325d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1326d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam /* Check if hw crypto has been enabled for 1327d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * this bss. If yes, set the status flags 1328d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * accordingly 1329d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam */ 1330d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam mwl8k_vif = mwl8k_find_vif_bss(&priv->vif_list, 1331d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam wh->addr1); 1332d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1333d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (mwl8k_vif != NULL && 1334d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam mwl8k_vif->is_hw_crypto_enabled == true) { 1335d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam /* 1336d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * When MMIC ERROR is encountered 1337d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * by the firmware, payload is 1338d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * dropped and only 32 bytes of 1339d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * mwl8k Firmware header is sent 1340d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * to the host. 1341d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * 1342d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * We need to add four bytes of 1343d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * key information. In it 1344d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * MAC80211 expects keyidx set to 1345d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * 0 for triggering Counter 1346d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam * Measure of MMIC failure. 1347d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam */ 1348d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (status.flag & RX_FLAG_MMIC_ERROR) { 1349d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam struct mwl8k_dma_data *tr; 1350d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam tr = (struct mwl8k_dma_data *)skb->data; 1351d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam memset((void *)&(tr->data), 0, 4); 1352d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam pkt_len += 4; 1353d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 1354d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1355d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (!ieee80211_is_auth(wh->frame_control)) 1356d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam status.flag |= RX_FLAG_IV_STRIPPED | 1357d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam RX_FLAG_DECRYPTED | 1358d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam RX_FLAG_MMIC_STRIPPED; 1359d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 1360d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 1361d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 1362d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam skb_put(skb, pkt_len); 1363d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam mwl8k_remove_dma_header(skb, qos); 1364f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); 1365f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg ieee80211_rx_irqsafe(hw, skb); 1366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1367a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek processed++; 1368a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1369a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1370a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return processed; 1371a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1372a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1373a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1374a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1375a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Packet transmission. 1376a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK 0x00000001 1379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK_RETRY 0x00000002 1380a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK_MORE_RETRY 0x00000004 1381a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_MULTICAST_TX 0x00000008 1382a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_FW_OWNED 0x80000000 1383a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1384e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_QLEN_UNSPEC 0xff00 1385e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_ACK_POLICY_MASK 0x0060 1386e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_ACK_POLICY_NORMAL 0x0000 1387e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_ACK_POLICY_BLOCKACK 0x0060 1388e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_EOSP 0x0010 1389e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek 1390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_tx_desc { 1391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 status; 1392a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 data_rate; 1393a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 tx_priority; 1394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 qos_control; 1395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pkt_phys_addr; 1396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pkt_len; 1397d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 dest_MAC_addr[ETH_ALEN]; 139845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 next_txd_phys_addr; 13998a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo __le32 timestamp; 1400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 rate_info; 1401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 peer_id; 1402a1fe24b0fd8bf16b4e551ae3fb785bfc574b9ffbBrian Cavagnolo __u8 tx_frag_cnt; 1403ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 1404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1405a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TX_DESCS 128 1406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_txq_init(struct ieee80211_hw *hw, int index) 1408a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int size; 1412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 14148ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo txq->len = 0; 141545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->head = 0; 141645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail = 0; 1417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek size = MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc); 1419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 142045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->txd = pci_alloc_consistent(priv->pdev, size, &txq->txd_dma); 142145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->txd == NULL) { 14225db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to alloc TX descriptors\n"); 1423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 142545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek memset(txq->txd, 0, size); 1426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1427b9ede5f1dc03f96949dcaa8f8b3483766c047260Shan Wei txq->skb = kcalloc(MWL8K_TX_DESCS, sizeof(*txq->skb), GFP_KERNEL); 142845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->skb == NULL) { 14295db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to alloc TX skbuff list\n"); 143045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek pci_free_consistent(priv->pdev, size, txq->txd, txq->txd_dma); 1431a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1432a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1433a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1434a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_DESCS; i++) { 1435a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1436a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int nexti; 1437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 143845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc = txq->txd + i; 1439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek nexti = (i + 1) % MWL8K_TX_DESCS; 1440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1441a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->status = 0; 144245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc->next_txd_phys_addr = 144345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cpu_to_le32(txq->txd_dma + nexti * sizeof(*tx_desc)); 1444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1447a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1448a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline void mwl8k_tx_start(struct mwl8k_priv *priv) 1450a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_PPA_READY, 1452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1453a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 1454a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1455a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ioread32(priv->regs + MWL8K_HIU_INT_CODE); 1456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1457a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 14587e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhekstatic void mwl8k_dump_tx_rings(struct ieee80211_hw *hw) 1459a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 14607e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 14617e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int i; 14627e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1463e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) { 14647e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + i; 14657e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int fw_owned = 0; 14667e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int drv_owned = 0; 14677e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int unused = 0; 14687e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int desc; 14697e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (desc = 0; desc < MWL8K_TX_DESCS; desc++) { 14717e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek struct mwl8k_tx_desc *tx_desc = txq->txd + desc; 14727e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek u32 status; 1473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 14747e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek status = le32_to_cpu(tx_desc->status); 1475a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_TXD_STATUS_FW_OWNED) 14767e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek fw_owned++; 1477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek else 14787e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek drv_owned++; 1479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (tx_desc->pkt_len == 0) 14817e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek unused++; 1482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1484c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_err(hw->wiphy, 1485c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "txq[%d] len=%d head=%d tail=%d " 1486c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "fw_owned=%d drv_owned=%d unused=%d\n", 1487c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches i, 1488c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches txq->len, txq->head, txq->tail, 1489c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches fw_owned, drv_owned, unused); 14907e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek } 1491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1493618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek/* 149488de754ad59025eba797e7a8375807755577f450Lennert Buytenhek * Must be called with priv->fw_mutex held and tx queues stopped. 1495618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek */ 149662abd3cfb2f1a0ab1963ac4c4087c477da6b1f2aLennert Buytenhek#define MWL8K_TX_WAIT_TIMEOUT_MS 5000 14977e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1498950d5b0191dc3e71017f336017f75f6189f39f08Lennert Buytenhekstatic int mwl8k_tx_wait_empty(struct ieee80211_hw *hw) 1499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 150188de754ad59025eba797e7a8375807755577f450Lennert Buytenhek DECLARE_COMPLETION_ONSTACK(tx_wait); 15027e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int retry; 15037e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int rc; 1504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek might_sleep(); 1506a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15076b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* Since fw restart is in progress, allow only the firmware 15086b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * commands from the restart code and block the other 15096b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * commands since they are going to fail in any case since 15106b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * the firmware has crashed 15116b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 15126b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->hw_restart_in_progress) { 15136b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->hw_restart_owner == current) 15146b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar return 0; 15156b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar else 15166b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar return -EBUSY; 15176b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar } 15186b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 15197e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek /* 15207e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek * The TX queues are stopped at this point, so this test 15217e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek * doesn't need to take ->tx_lock. 15227e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek */ 15237e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek if (!priv->pending_tx_pkts) 15247e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek return 0; 15257e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 15267e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek retry = 0; 15277e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek rc = 0; 15287e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1529a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 15307e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek priv->tx_wait = &tx_wait; 15317e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek while (!rc) { 15327e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int oldcount; 15337e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek unsigned long timeout; 1534a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15357e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek oldcount = priv->pending_tx_pkts; 1536a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15377e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek spin_unlock_bh(&priv->tx_lock); 153888de754ad59025eba797e7a8375807755577f450Lennert Buytenhek timeout = wait_for_completion_timeout(&tx_wait, 15397e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek msecs_to_jiffies(MWL8K_TX_WAIT_TIMEOUT_MS)); 1540a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 15417e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 15427e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek if (timeout) { 15437e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek WARN_ON(priv->pending_tx_pkts); 1544ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar if (retry) 1545c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_notice(hw->wiphy, "tx rings drained\n"); 15467e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek break; 15477e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek } 15487e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 15497e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek if (priv->pending_tx_pkts < oldcount) { 1550c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_notice(hw->wiphy, 1551c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "waiting for tx rings to drain (%d -> %d pkts)\n", 1552c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches oldcount, priv->pending_tx_pkts); 15537e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek retry = 1; 15547e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek continue; 15557e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek } 15567e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1557a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->tx_wait = NULL; 1558a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1559c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_err(hw->wiphy, "tx rings stuck for %d ms\n", 1560c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches MWL8K_TX_WAIT_TIMEOUT_MS); 15617e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek mwl8k_dump_tx_rings(hw); 15626b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hw_restart_in_progress = true; 15636b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar ieee80211_queue_work(hw, &priv->fw_reload); 15647e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 15657e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek rc = -ETIMEDOUT; 1566a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 15677e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek spin_unlock_bh(&priv->tx_lock); 1568a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15697e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek return rc; 1570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1572c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek#define MWL8K_TXD_SUCCESS(status) \ 1573c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek ((status) & (MWL8K_TXD_STATUS_OK | \ 1574c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek MWL8K_TXD_STATUS_OK_RETRY | \ 1575c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek MWL8K_TXD_STATUS_OK_MORE_RETRY)) 1576a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1577a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadamstatic int mwl8k_tid_queue_mapping(u8 tid) 1578a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam{ 1579a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam BUG_ON(tid > 7); 1580a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam 1581a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam switch (tid) { 1582a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 0: 1583a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 3: 1584a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return IEEE80211_AC_BE; 1585a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam break; 1586a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 1: 1587a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 2: 1588a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return IEEE80211_AC_BK; 1589a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam break; 1590a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 4: 1591a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 5: 1592a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return IEEE80211_AC_VI; 1593a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam break; 1594a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 6: 1595a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam case 7: 1596a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return IEEE80211_AC_VO; 1597a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam break; 1598a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam default: 1599a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam return -1; 1600a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam break; 1601a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam } 1602a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam} 1603a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam 1604170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam/* The firmware will fill in the rate information 1605170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam * for each packet that gets queued in the hardware 160649adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville * and these macros will interpret that info. 1607170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam */ 1608170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam 160949adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville#define RI_FORMAT(a) (a & 0x0001) 161049adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville#define RI_RATE_ID_MCS(a) ((a & 0x01f8) >> 3) 1611170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam 1612efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhekstatic int 1613efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhekmwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int limit, int force) 1614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1617efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek int processed; 1618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1619efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek processed = 0; 16208ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo while (txq->len > 0 && limit--) { 1621a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int tx; 1622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1623a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long addr; 1624ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek int size; 1625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 1626a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_info *info; 1627a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 status; 1628170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam struct ieee80211_sta *sta; 1629170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam struct mwl8k_sta *sta_info = NULL; 1630170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam u16 rate_info; 1631170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam struct ieee80211_hdr *wh; 1632a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 163345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx = txq->head; 163445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc = txq->txd + tx; 1635a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = le32_to_cpu(tx_desc->status); 1637a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1638a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_TXD_STATUS_FW_OWNED) { 1639a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!force) 1640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 1641a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->status &= 1642a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ~cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED); 1643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 164545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->head = (tx + 1) % MWL8K_TX_DESCS; 16468ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo BUG_ON(txq->len == 0); 16478ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo txq->len--; 1648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts--; 1649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek addr = le32_to_cpu(tx_desc->pkt_phys_addr); 1651ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek size = le16_to_cpu(tx_desc->pkt_len); 165245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek skb = txq->skb[tx]; 165345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb[tx] = NULL; 1654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek BUG_ON(skb == NULL); 1656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, addr, size, PCI_DMA_TODEVICE); 1657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 165820f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek mwl8k_remove_dma_header(skb, tx_desc->qos_control); 1659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1660170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam wh = (struct ieee80211_hdr *) skb->data; 1661170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam 1662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Mark descriptor as unused */ 1663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->pkt_phys_addr = 0; 1664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->pkt_len = 0; 1665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek info = IEEE80211_SKB_CB(skb); 1667170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam if (ieee80211_is_data(wh->frame_control)) { 1668170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam sta = info->control.sta; 1669170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam if (sta) { 1670170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam sta_info = MWL8K_STA(sta); 1671170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam BUG_ON(sta_info == NULL); 1672170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam rate_info = le16_to_cpu(tx_desc->rate_info); 1673170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam /* If rate is < 6.5 Mpbs for an ht station 1674170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam * do not form an ampdu. If the station is a 1675170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam * legacy station (format = 0), do not form an 1676170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam * ampdu 1677170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam */ 167849adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville if (RI_RATE_ID_MCS(rate_info) < 1 || 167949adc5ceb2b95e517baf625e0c8e06e91073009bJohn W. Linville RI_FORMAT(rate_info) == 0) { 1680170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam sta_info->is_ampdu_allowed = false; 1681170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } else { 1682170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam sta_info->is_ampdu_allowed = true; 1683170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } 1684170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } 1685170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } 1686170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam 1687a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_tx_info_clear_status(info); 16880bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam 16890bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam /* Rate control is happening in the firmware. 16900bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam * Ensure no tx rate is being reported. 16910bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam */ 1692ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar info->status.rates[0].idx = -1; 1693ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar info->status.rates[0].count = 1; 16940bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam 1695ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek if (MWL8K_TXD_SUCCESS(status)) 1696a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek info->flags |= IEEE80211_TX_STAT_ACK; 1697a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1698a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_tx_status_irqsafe(hw, skb); 1699a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1700efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek processed++; 1701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1702a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1703efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek return processed; 1704a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1705a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* must be called only when the card's transmit is completely halted */ 1707a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_txq_deinit(struct ieee80211_hw *hw, int index) 1708a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1709a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1710a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1711a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 171273b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (txq->txd == NULL) 171373b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo return; 171473b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo 1715efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek mwl8k_txq_reclaim(hw, index, INT_MAX, 1); 1716a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 171745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek kfree(txq->skb); 171845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb = NULL; 1719a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1720a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 1721a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc), 172245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->txd, txq->txd_dma); 172345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->txd = NULL; 1724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1726ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo/* caller must hold priv->stream_lock when calling the stream functions */ 1727ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powarstatic struct mwl8k_ampdu_stream * 1728ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolomwl8k_add_stream(struct ieee80211_hw *hw, struct ieee80211_sta *sta, u8 tid) 1729ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo{ 1730ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo struct mwl8k_ampdu_stream *stream; 1731ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo struct mwl8k_priv *priv = hw->priv; 1732ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo int i; 1733ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1734ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo for (i = 0; i < priv->num_ampdu_queues; i++) { 1735ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream = &priv->ampdu[i]; 1736ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (stream->state == AMPDU_NO_STREAM) { 1737ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->sta = sta; 1738ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->state = AMPDU_STREAM_NEW; 1739ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->tid = tid; 1740ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->idx = i; 1741ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->txq_idx = MWL8K_TX_WMM_QUEUES + i; 1742ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo wiphy_debug(hw->wiphy, "Added a new stream for %pM %d", 1743ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo sta->addr, tid); 1744ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return stream; 1745ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo } 1746ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo } 1747ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return NULL; 1748ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo} 1749ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1750ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolostatic int 1751ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolomwl8k_start_stream(struct ieee80211_hw *hw, struct mwl8k_ampdu_stream *stream) 1752ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo{ 1753ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo int ret; 1754ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1755ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo /* if the stream has already been started, don't start it again */ 1756ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (stream->state != AMPDU_STREAM_NEW) 1757ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return 0; 1758ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo ret = ieee80211_start_tx_ba_session(stream->sta, stream->tid, 0); 1759ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (ret) 1760ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo wiphy_debug(hw->wiphy, "Failed to start stream for %pM %d: " 1761ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo "%d\n", stream->sta->addr, stream->tid, ret); 1762ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo else 1763ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo wiphy_debug(hw->wiphy, "Started stream for %pM %d\n", 1764ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->sta->addr, stream->tid); 1765ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return ret; 1766ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo} 1767ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1768ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolostatic void 1769ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolomwl8k_remove_stream(struct ieee80211_hw *hw, struct mwl8k_ampdu_stream *stream) 1770ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo{ 1771ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo wiphy_debug(hw->wiphy, "Remove stream for %pM %d\n", stream->sta->addr, 1772ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->tid); 1773ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo memset(stream, 0, sizeof(*stream)); 1774ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo} 1775ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1776ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolostatic struct mwl8k_ampdu_stream * 1777ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolomwl8k_lookup_stream(struct ieee80211_hw *hw, u8 *addr, u8 tid) 1778ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo{ 1779ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo struct mwl8k_priv *priv = hw->priv; 1780ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo int i; 1781ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1782ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo for (i = 0 ; i < priv->num_ampdu_queues; i++) { 1783ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo struct mwl8k_ampdu_stream *stream; 1784ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream = &priv->ampdu[i]; 1785ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (stream->state == AMPDU_NO_STREAM) 1786ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo continue; 1787ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo if (!memcmp(stream->sta->addr, addr, ETH_ALEN) && 1788ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo stream->tid == tid) 1789ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return stream; 1790ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo } 1791ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo return NULL; 1792ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo} 1793ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 1794d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo#define MWL8K_AMPDU_PACKET_THRESHOLD 64 1795d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolostatic inline bool mwl8k_ampdu_allowed(struct ieee80211_sta *sta, u8 tid) 1796d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo{ 1797d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct mwl8k_sta *sta_info = MWL8K_STA(sta); 1798d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct tx_traffic_info *tx_stats; 1799d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1800d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo BUG_ON(tid >= MWL8K_MAX_TID); 1801d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats = &sta_info->tx_stats[tid]; 1802d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1803d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo return sta_info->is_ampdu_allowed && 1804d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->pkts > MWL8K_AMPDU_PACKET_THRESHOLD; 1805d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo} 1806d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1807d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolostatic inline void mwl8k_tx_count_packet(struct ieee80211_sta *sta, u8 tid) 1808d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo{ 1809d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct mwl8k_sta *sta_info = MWL8K_STA(sta); 1810d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo struct tx_traffic_info *tx_stats; 1811d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1812d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo BUG_ON(tid >= MWL8K_MAX_TID); 1813d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats = &sta_info->tx_stats[tid]; 1814d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1815d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo if (tx_stats->start_time == 0) 1816d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->start_time = jiffies; 1817d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 1818d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo /* reset the packet count after each second elapses. If the number of 1819d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo * packets ever exceeds the ampdu_min_traffic threshold, we will allow 1820d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo * an ampdu stream to be started. 1821d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo */ 1822d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo if (jiffies - tx_stats->start_time > HZ) { 1823d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->pkts = 0; 1824d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->start_time = 0; 1825d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo } else 1826d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo tx_stats->pkts++; 1827d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo} 1828d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo 18297bb4568372856688bc070917265bce0b88bb7d4dJohannes Bergstatic void 1830a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb) 1831a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1832a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1833a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_info *tx_info; 183423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek struct mwl8k_vif *mwl8k_vif; 183565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam struct ieee80211_sta *sta; 1836a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 1837a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq; 1838a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx; 1839a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma; 184023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u32 txstatus; 184123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u8 txdatarate; 184223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u16 qos; 184365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam int txpriority; 184465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam u8 tid = 0; 184565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam struct mwl8k_ampdu_stream *stream = NULL; 184665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam bool start_ba_session = false; 18473a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam bool mgmtframe = false; 1848a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data; 1849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 185023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 185123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (ieee80211_is_data_qos(wh->frame_control)) 185223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = le16_to_cpu(*((__le16 *)ieee80211_get_qos_ctl(wh))); 185323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek else 185423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = 0; 1855a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 18563a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam if (ieee80211_is_mgmt(wh->frame_control)) 18573a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam mgmtframe = true; 18583a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam 1859d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (priv->ap_fw) 1860ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar mwl8k_encapsulate_tx_frame(priv, skb); 1861d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam else 1862e4eefec73ea0a740bfe8736e3ac30dfe92fe392bYogesh Ashok Powar mwl8k_add_dma_header(priv, skb, 0, 0); 1863d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam 186423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek wh = &((struct mwl8k_dma_data *)skb->data)->wh; 1865a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1866a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_info = IEEE80211_SKB_CB(skb); 186765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam sta = tx_info->control.sta; 1868a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif = MWL8K_VIF(tx_info->control.vif); 1869a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1870a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { 1871a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); 1872657232b625890f202867ede0ed67ecf15827ff80Lennert Buytenhek wh->seq_ctrl |= cpu_to_le16(mwl8k_vif->seqno); 1873657232b625890f202867ede0ed67ecf15827ff80Lennert Buytenhek mwl8k_vif->seqno += 0x10; 1874a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1875a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 187623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek /* Setup firmware control bit fields for each frame type. */ 187723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txstatus = 0; 187823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 0; 187923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (ieee80211_is_mgmt(wh->frame_control) || 188023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek ieee80211_is_ctl(wh->frame_control)) { 188123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 0; 1882e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos |= MWL8K_QOS_QLEN_UNSPEC | MWL8K_QOS_EOSP; 188323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek } else if (ieee80211_is_data(wh->frame_control)) { 188423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 1; 188523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (is_multicast_ether_addr(wh->addr1)) 188623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txstatus |= MWL8K_TXD_STATUS_MULTICAST_TX; 188723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 1888e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos &= ~MWL8K_QOS_ACK_POLICY_MASK; 188923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) 1890e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos |= MWL8K_QOS_ACK_POLICY_BLOCKACK; 189123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek else 1892e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos |= MWL8K_QOS_ACK_POLICY_NORMAL; 189323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek } 1894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1895a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam /* Queue ADDBA request in the respective data queue. While setting up 1896a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * the ampdu stream, mac80211 queues further packets for that 1897a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * particular ra/tid pair. However, packets piled up in the hardware 1898a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * for that ra/tid pair will still go out. ADDBA request and the 1899a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * related data packets going out from different queues asynchronously 1900a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * will cause a shift in the receiver window which might result in 1901a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * ampdu packets getting dropped at the receiver after the stream has 1902a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam * been setup. 1903a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam */ 1904a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam if (unlikely(ieee80211_is_action(wh->frame_control) && 1905a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam mgmt->u.action.category == WLAN_CATEGORY_BACK && 1906a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam mgmt->u.action.u.addba_req.action_code == WLAN_ACTION_ADDBA_REQ && 1907a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam priv->ap_fw)) { 1908a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam u16 capab = le16_to_cpu(mgmt->u.action.u.addba_req.capab); 1909a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; 1910a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam index = mwl8k_tid_queue_mapping(tid); 1911a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam } 1912a0e7c6cfe2a04af450274638845802b5c384e8dfNishant Sarmukadam 191365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam txpriority = index; 191465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 191516c929df0895e6f52f4a0f17683d709f5fef95d8Yogesh Ashok Powar if (priv->ap_fw && sta && sta->ht_cap.ht_supported 191616c929df0895e6f52f4a0f17683d709f5fef95d8Yogesh Ashok Powar && skb->protocol != cpu_to_be16(ETH_P_PAE) 191716c929df0895e6f52f4a0f17683d709f5fef95d8Yogesh Ashok Powar && ieee80211_is_data_qos(wh->frame_control)) { 191865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam tid = qos & 0xf; 1919d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo mwl8k_tx_count_packet(sta, tid); 192065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 192165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream = mwl8k_lookup_stream(hw, sta->addr, tid); 192265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (stream != NULL) { 192365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (stream->state == AMPDU_STREAM_ACTIVE) { 192465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam txpriority = stream->txq_idx; 192565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam index = stream->txq_idx; 192665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } else if (stream->state == AMPDU_STREAM_NEW) { 192765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* We get here if the driver sends us packets 192865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * after we've initiated a stream, but before 192965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * our ampdu_action routine has been called 193065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * with IEEE80211_AMPDU_TX_START to get the SSN 193165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * for the ADDBA request. So this packet can 193265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * go out with no risk of sequence number 193365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * mismatch. No special handling is required. 193465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 193565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } else { 193665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* Drop packets that would go out after the 193765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * ADDBA request was sent but before the ADDBA 193865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * response is received. If we don't do this, 193965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * the recipient would probably receive it 194065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * after the ADDBA request with SSN 0. This 194165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * will cause the recipient's BA receive window 194265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * to shift, which would cause the subsequent 194365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * packets in the BA stream to be discarded. 194465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * mac80211 queues our packets for us in this 194565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * case, so this is really just a safety check. 194665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 194765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_warn(hw->wiphy, 194865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam "Cannot send packet while ADDBA " 194965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam "dialog is underway.\n"); 195065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 195165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam dev_kfree_skb(skb); 195265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam return; 195365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 195465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } else { 195565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* Defer calling mwl8k_start_stream so that the current 195665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * skb can go out before the ADDBA request. This 195765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * prevents sequence number mismatch at the recepient 195865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * as described above. 195965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 1960d0805c1c5758f8fd16c88bf1efa8fb4be4408ce1Brian Cavagnolo if (mwl8k_ampdu_allowed(sta, tid)) { 1961170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam stream = mwl8k_add_stream(hw, sta, tid); 1962170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam if (stream != NULL) 1963170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam start_ba_session = true; 1964170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam } 196565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 196665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 196765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 196865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 1969a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma = pci_map_single(priv->pdev, skb->data, 1970a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb->len, PCI_DMA_TODEVICE); 1971a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1972a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma)) { 1973c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_debug(hw->wiphy, 1974c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "failed to dma map skb, dropping TX frame.\n"); 197565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (start_ba_session) { 197665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 197765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_remove_stream(hw, stream); 197865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 197965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 198023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek dev_kfree_skb(skb); 19817bb4568372856688bc070917265bce0b88bb7d4dJohannes Berg return; 1982a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1983a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 198423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek spin_lock_bh(&priv->tx_lock); 1985a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 198623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txq = priv->txq + index; 1987a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 19883a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam /* Mgmt frames that go out frequently are probe 19893a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * responses. Other mgmt frames got out relatively 19903a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * infrequently. Hence reserve 2 buffers so that 19913a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * other mgmt frames do not get dropped due to an 19923a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * already queued probe response in one of the 19933a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam * reserved buffers. 19943a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam */ 19953a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam 19963a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam if (txq->len >= MWL8K_TX_DESCS - 2) { 19973a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam if (mgmtframe == false || 19983a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam txq->len == MWL8K_TX_DESCS) { 19993a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam if (start_ba_session) { 20003a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam spin_lock(&priv->stream_lock); 20013a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam mwl8k_remove_stream(hw, stream); 20023a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam spin_unlock(&priv->stream_lock); 20033a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam } 20043a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam spin_unlock_bh(&priv->tx_lock); 20053a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam dev_kfree_skb(skb); 20063a769888797b7117005e9c60d4cd73a2efc92f8dNishant Sarmukadam return; 20073a7dbc3b2ac545efac75d4145839eaa7b59d9741Pradeep Nemavat } 200865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 200965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 201045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek BUG_ON(txq->skb[txq->tail] != NULL); 201145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb[txq->tail] = skb; 2012a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 201345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx = txq->txd + txq->tail; 201423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->data_rate = txdatarate; 201565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam tx->tx_priority = txpriority; 2016a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->qos_control = cpu_to_le16(qos); 2017a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->pkt_phys_addr = cpu_to_le32(dma); 2018a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->pkt_len = cpu_to_le16(skb->len); 201923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->rate_info = 0; 2020a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek if (!priv->ap_fw && tx_info->control.sta != NULL) 2021a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek tx->peer_id = MWL8K_STA(tx_info->control.sta)->peer_id; 2022a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek else 2023a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek tx->peer_id = 0; 2024566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat 2025566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat if (priv->ap_fw) 2026566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat tx->timestamp = cpu_to_le32(ioread32(priv->regs + 2027566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat MWL8K_HW_TIMER_REGISTER)); 2028566875db5058f582ea56da891f9c3cabc01efff5Pradeep Nemavat 2029a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wmb(); 203023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->status = cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED | txstatus); 203123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 20328ccbc3b8b0c919e8609560ca56cd777ece8d2c41Kalle Valo txq->len++; 2033a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts++; 2034a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 203545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail++; 203645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->tail == MWL8K_TX_DESCS) 203745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail = 0; 203823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 203923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek mwl8k_tx_start(priv); 2040a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2041a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 204265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 204365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* Initiate the ampdu session here */ 204465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (start_ba_session) { 204565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 204665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (mwl8k_start_stream(hw, stream)) 204765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_remove_stream(hw, stream); 204865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 204965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 2050a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2051a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2052a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2053a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2054618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * Firmware access. 2055618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * 2056618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * We have the following requirements for issuing firmware commands: 2057618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * - Some commands require that the packet transmit path is idle when 2058618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * the command is issued. (For simplicity, we'll just quiesce the 2059618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * transmit path for every command.) 2060618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * - There are certain sequences of commands that need to be issued to 2061618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * the hardware sequentially, with no other intervening commands. 2062618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * 2063618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * This leads to an implementation of a "firmware lock" as a mutex that 2064618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * can be taken recursively, and which is taken by both the low-level 2065618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * command submission function (mwl8k_post_cmd) as well as any users of 2066618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * that function that require issuing of an atomic sequence of commands, 2067618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * and quiesces the transmit path whenever it's taken. 2068618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek */ 2069618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhekstatic int mwl8k_fw_lock(struct ieee80211_hw *hw) 2070618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek{ 2071618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2072618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2073618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (priv->fw_mutex_owner != current) { 2074618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek int rc; 2075618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2076618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_lock(&priv->fw_mutex); 2077618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek ieee80211_stop_queues(hw); 2078618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2079618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek rc = mwl8k_tx_wait_empty(hw); 2080618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (rc) { 20816b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!priv->hw_restart_in_progress) 20826b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar ieee80211_wake_queues(hw); 20836b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 2084618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_unlock(&priv->fw_mutex); 2085618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2086618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return rc; 2087618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 2088618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2089618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_owner = current; 2090618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 2091618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2092618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_depth++; 2093618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2094618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return 0; 2095618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek} 2096618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2097618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhekstatic void mwl8k_fw_unlock(struct ieee80211_hw *hw) 2098618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek{ 2099618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2100618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2101618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (!--priv->fw_mutex_depth) { 21026b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!priv->hw_restart_in_progress) 21036b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar ieee80211_wake_queues(hw); 21046b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 2105618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_owner = NULL; 2106618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_unlock(&priv->fw_mutex); 2107618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 2108618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek} 2109618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2110618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2111618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek/* 2112a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Command processing. 2113a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2114a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 21150c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek/* Timeout firmware commands after 10s */ 21160c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek#define MWL8K_CMD_TIMEOUT_MS 10000 2117a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd) 2119a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2120a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek DECLARE_COMPLETION_ONSTACK(cmd_wait); 2121a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs = priv->regs; 2123a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma_addr; 2124a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned int dma_size; 2125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long timeout = 0; 2127a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 buf[32]; 2128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2129b603742f49c3ec922522602e18ac22e8f6835132John W. Linville cmd->result = (__force __le16) 0xffff; 2130a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_size = le16_to_cpu(cmd->length); 2131a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr = pci_map_single(priv->pdev, cmd, dma_size, 2132a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek PCI_DMA_BIDIRECTIONAL); 2133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma_addr)) 2134a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2135a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2136618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek rc = mwl8k_fw_lock(hw); 213739a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek if (rc) { 213839a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, dma_size, 213939a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek PCI_DMA_BIDIRECTIONAL); 2140618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return rc; 214139a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek } 2142a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2143a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hostcmd_wait = &cmd_wait; 2144a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR); 2145a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DOORBELL, 2146a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 2147a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 2148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 2149a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2150a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek timeout = wait_for_completion_timeout(&cmd_wait, 2151a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msecs_to_jiffies(MWL8K_CMD_TIMEOUT_MS)); 2152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2153618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->hostcmd_wait = NULL; 2154618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2155618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mwl8k_fw_unlock(hw); 2156618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 215737055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, dma_size, 215837055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek PCI_DMA_BIDIRECTIONAL); 215937055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek 2160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!timeout) { 21615db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Command %s timeout after %u ms\n", 2162c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 2163c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches MWL8K_CMD_TIMEOUT_MS); 2164a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -ETIMEDOUT; 2165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 21660c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek int ms; 21670c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek 21680c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek ms = MWL8K_CMD_TIMEOUT_MS - jiffies_to_msecs(timeout); 21690c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek 2170ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek rc = cmd->result ? -EINVAL : 0; 2171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 21725db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Command %s error 0x%x\n", 2173c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 2174c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches le16_to_cpu(cmd->result)); 21750c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek else if (ms > 2000) 21765db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_notice(hw->wiphy, "Command %s took %d ms\n", 2177c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches mwl8k_cmd_name(cmd->code, 2178c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches buf, sizeof(buf)), 2179c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches ms); 2180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2181a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2183a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2184a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2185f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhekstatic int mwl8k_post_pervif_cmd(struct ieee80211_hw *hw, 2186f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek struct ieee80211_vif *vif, 2187f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek struct mwl8k_cmd_pkt *cmd) 2188f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek{ 2189f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek if (vif != NULL) 2190f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek cmd->macid = MWL8K_VIF(vif)->macid; 2191f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek return mwl8k_post_cmd(hw, cmd); 2192f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek} 2193f57ca9c1af3c1e30a40ad99d75940176d8c3ff3aLennert Buytenhek 2194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 21951349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek * Setup code shared between STA and AP firmware images. 21961349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek */ 21971349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhekstatic void mwl8k_setup_2ghz_band(struct ieee80211_hw *hw) 21981349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek{ 21991349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 22001349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 22011349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek BUILD_BUG_ON(sizeof(priv->channels_24) != sizeof(mwl8k_channels_24)); 22021349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek memcpy(priv->channels_24, mwl8k_channels_24, sizeof(mwl8k_channels_24)); 22031349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 22041349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek BUILD_BUG_ON(sizeof(priv->rates_24) != sizeof(mwl8k_rates_24)); 22051349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek memcpy(priv->rates_24, mwl8k_rates_24, sizeof(mwl8k_rates_24)); 22061349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 22071349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.band = IEEE80211_BAND_2GHZ; 22081349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.channels = priv->channels_24; 22091349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.n_channels = ARRAY_SIZE(mwl8k_channels_24); 22101349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.bitrates = priv->rates_24; 22111349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek priv->band_24.n_bitrates = ARRAY_SIZE(mwl8k_rates_24); 22121349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 22131349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band_24; 22141349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek} 22151349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek 22164eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhekstatic void mwl8k_setup_5ghz_band(struct ieee80211_hw *hw) 22174eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek{ 22184eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 22194eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 22204eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek BUILD_BUG_ON(sizeof(priv->channels_50) != sizeof(mwl8k_channels_50)); 22214eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek memcpy(priv->channels_50, mwl8k_channels_50, sizeof(mwl8k_channels_50)); 22224eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 22234eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek BUILD_BUG_ON(sizeof(priv->rates_50) != sizeof(mwl8k_rates_50)); 22244eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek memcpy(priv->rates_50, mwl8k_rates_50, sizeof(mwl8k_rates_50)); 22254eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 22264eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.band = IEEE80211_BAND_5GHZ; 22274eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.channels = priv->channels_50; 22284eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.n_channels = ARRAY_SIZE(mwl8k_channels_50); 22294eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.bitrates = priv->rates_50; 22304eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek priv->band_50.n_bitrates = ARRAY_SIZE(mwl8k_rates_50); 22314eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 22324eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &priv->band_50; 22334eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek} 22344eae9edd38c0a9ce34e39100ccc69ff520bc1224Lennert Buytenhek 22351349ad2f06f86f41415cf7ffa9e068fd4f89be87Lennert Buytenhek/* 223604b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhek * CMD_GET_HW_SPEC (STA version). 2237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 223804b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhekstruct mwl8k_cmd_get_hw_spec_sta { 2239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 hw_rev; 2241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 host_interface; 2242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 num_mcaddrs; 2243d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 2244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 region_code; 2245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 fw_rev; 2246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 ps_cookie; 2247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 caps; 2248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 mcs_bitmap[16]; 2249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 rx_queue_ptr; 2250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_tx_queues; 2251e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo __le32 tx_queue_ptrs[MWL8K_TX_WMM_QUEUES]; 2252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 caps2; 2253a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_tx_desc_per_queue; 225445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 total_rxd; 2255ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2256a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2257341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_MAX_AMSDU 0x20000000 2258341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_GREENFIELD 0x08000000 2259341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_AMPDU 0x04000000 2260341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_RX_STBC 0x01000000 2261341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_TX_STBC 0x00800000 2262341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_SHORTGI_40MHZ 0x00400000 2263341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_SHORTGI_20MHZ 0x00200000 2264341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_RX_ANTENNA_MASK 0x000e0000 2265341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_TX_ANTENNA_MASK 0x0001c000 2266341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_DELAY_BA 0x00003000 2267341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_MIMO 0x00000200 2268341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_40MHZ 0x00000100 226906953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek#define MWL8K_CAP_BAND_MASK 0x00000007 227006953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek#define MWL8K_CAP_5GHZ 0x00000004 227106953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek#define MWL8K_CAP_2GHZ4 0x00000001 2272341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 227306953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhekstatic void 227406953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhekmwl8k_set_ht_caps(struct ieee80211_hw *hw, 227506953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek struct ieee80211_supported_band *band, u32 cap) 2276341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek{ 2277341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek int rx_streams; 2278341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek int tx_streams; 2279341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2280777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.ht_supported = 1; 2281341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2282341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_MAX_AMSDU) 2283777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU; 2284341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_GREENFIELD) 2285777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_GRN_FLD; 2286341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_AMPDU) { 2287341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION; 2288777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 2289777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; 2290341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek } 2291341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_RX_STBC) 2292777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_RX_STBC; 2293341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_TX_STBC) 2294777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC; 2295341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_SHORTGI_40MHZ) 2296777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; 2297341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_SHORTGI_20MHZ) 2298777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20; 2299341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_DELAY_BA) 2300777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_DELAY_BA; 2301341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_40MHZ) 2302777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2303341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2304341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek rx_streams = hweight32(cap & MWL8K_CAP_RX_ANTENNA_MASK); 2305341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek tx_streams = hweight32(cap & MWL8K_CAP_TX_ANTENNA_MASK); 2306341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2307777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.rx_mask[0] = 0xff; 2308341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (rx_streams >= 2) 2309777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.rx_mask[1] = 0xff; 2310341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (rx_streams >= 3) 2311777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.rx_mask[2] = 0xff; 2312777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.rx_mask[4] = 0x01; 2313777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 2314341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 2315341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (rx_streams != tx_streams) { 2316777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF; 2317777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek band->ht_cap.mcs.tx_params |= (tx_streams - 1) << 2318341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT; 2319341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek } 2320341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek} 2321341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 232206953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhekstatic void 232306953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhekmwl8k_set_caps(struct ieee80211_hw *hw, u32 caps) 232406953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek{ 232506953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 232606953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek 232706953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek if ((caps & MWL8K_CAP_2GHZ4) || !(caps & MWL8K_CAP_BAND_MASK)) { 232806953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_setup_2ghz_band(hw); 232906953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek if (caps & MWL8K_CAP_MIMO) 233006953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_set_ht_caps(hw, &priv->band_24, caps); 233106953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek } 233206953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek 233306953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek if (caps & MWL8K_CAP_5GHZ) { 233406953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_setup_5ghz_band(hw); 233506953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek if (caps & MWL8K_CAP_MIMO) 233606953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_set_ht_caps(hw, &priv->band_50, caps); 233706953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek } 233806953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek} 233906953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek 234004b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhekstatic int mwl8k_cmd_get_hw_spec_sta(struct ieee80211_hw *hw) 2341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 234304b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhek struct mwl8k_cmd_get_hw_spec_sta *cmd; 2344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 2346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2347a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC); 2352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2353a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2354a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr)); 2355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 235645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rxd_dma); 2357e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo cmd->num_tx_queues = cpu_to_le32(mwl8k_tx_queues(priv)); 2358e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 235945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].txd_dma); 23604ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS); 236145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS); 2362a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2363a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2364a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2365a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 2366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr); 2367a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs); 23684ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek priv->fw_rev = le32_to_cpu(cmd->fw_rev); 2369a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hw_rev = cmd->hw_rev; 237006953235f48c696b22c5ed45570680fb070f7277Lennert Buytenhek mwl8k_set_caps(hw, le32_to_cpu(cmd->caps)); 2371ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->ap_macids_supported = 0x00000000; 2372ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->sta_macids_supported = 0x00000001; 2373a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2374a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2375a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2376a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 238042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek * CMD_GET_HW_SPEC (AP version). 238142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek */ 238242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstruct mwl8k_cmd_get_hw_spec_ap { 238342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_pkt header; 238442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 hw_rev; 238542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 host_interface; 238642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_wcb; 238742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_mcaddrs; 238842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 238942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 region_code; 239042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_antenna; 239142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 fw_rev; 239242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase0; 239342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 rxwrptr; 239442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 rxrdptr; 239542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 ps_cookie; 239642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase1; 239742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase2; 239842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase3; 2399952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo __le32 fw_api_version; 24008a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo __le32 caps; 24018a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo __le32 num_of_ampdu_queues; 24028a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo __le32 wcbbase_ampdu[MWL8K_MAX_AMPDU_QUEUES]; 2403ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 240442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 240542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstatic int mwl8k_cmd_get_hw_spec_ap(struct ieee80211_hw *hw) 240642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek{ 240742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 240842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_get_hw_spec_ap *cmd; 24098a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo int rc, i; 2410952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo u32 api_version; 241142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 241242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 241342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (cmd == NULL) 241442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return -ENOMEM; 241542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 241642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC); 241742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 241842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 241942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr)); 242042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 242142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 242242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 242342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 242442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (!rc) { 242542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek int off; 242642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 2427952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo api_version = le32_to_cpu(cmd->fw_api_version); 2428952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo if (priv->device_info->fw_api_ap != api_version) { 2429952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo printk(KERN_ERR "%s: Unsupported fw API version for %s." 2430952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo " Expected %d got %d.\n", MWL8K_NAME, 2431952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo priv->device_info->part_name, 2432952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo priv->device_info->fw_api_ap, 2433952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo api_version); 2434952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo rc = -EINVAL; 2435952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo goto done; 2436952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo } 243742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr); 243842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs); 243942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek priv->fw_rev = le32_to_cpu(cmd->fw_rev); 244042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek priv->hw_rev = cmd->hw_rev; 24418a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo mwl8k_set_caps(hw, le32_to_cpu(cmd->caps)); 2442ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->ap_macids_supported = 0x000000ff; 2443ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->sta_macids_supported = 0x00000000; 24448a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo priv->num_ampdu_queues = le32_to_cpu(cmd->num_of_ampdu_queues); 24458a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo if (priv->num_ampdu_queues > MWL8K_MAX_AMPDU_QUEUES) { 24468a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo wiphy_warn(hw->wiphy, "fw reported %d ampdu queues" 24478a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo " but we only support %d.\n", 24488a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo priv->num_ampdu_queues, 24498a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo MWL8K_MAX_AMPDU_QUEUES); 24508a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo priv->num_ampdu_queues = MWL8K_MAX_AMPDU_QUEUES; 24518a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo } 245242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek off = le32_to_cpu(cmd->rxwrptr) & 0xffff; 2453b603742f49c3ec922522602e18ac22e8f6835132John W. Linville iowrite32(priv->rxq[0].rxd_dma, priv->sram + off); 245442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 245542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek off = le32_to_cpu(cmd->rxrdptr) & 0xffff; 2456b603742f49c3ec922522602e18ac22e8f6835132John W. Linville iowrite32(priv->rxq[0].rxd_dma, priv->sram + off); 245742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 245873b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->txq_offset[0] = le32_to_cpu(cmd->wcbbase0) & 0xffff; 245973b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->txq_offset[1] = le32_to_cpu(cmd->wcbbase1) & 0xffff; 246073b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->txq_offset[2] = le32_to_cpu(cmd->wcbbase2) & 0xffff; 246173b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->txq_offset[3] = le32_to_cpu(cmd->wcbbase3) & 0xffff; 24628a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo 24638a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo for (i = 0; i < priv->num_ampdu_queues; i++) 2464e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo priv->txq_offset[i + MWL8K_TX_WMM_QUEUES] = 24658a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo le32_to_cpu(cmd->wcbbase_ampdu[i]) & 0xffff; 246642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek } 246742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 2468952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolodone: 246942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek kfree(cmd); 247042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return rc; 247142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek} 247242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 247342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek/* 247442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek * CMD_SET_HW_SPEC. 247542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek */ 247642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstruct mwl8k_cmd_set_hw_spec { 247742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_pkt header; 247842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 hw_rev; 247942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 host_interface; 248042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_mcaddrs; 248142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 248242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 region_code; 248342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 fw_rev; 248442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 ps_cookie; 248542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 caps; 248642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 rx_queue_ptr; 248742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 num_tx_queues; 2488e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo __le32 tx_queue_ptrs[MWL8K_MAX_TX_QUEUES]; 248942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 flags; 249042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 num_tx_desc_per_queue; 249142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 total_rxd; 2492ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 249342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 24948a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo/* If enabled, MWL8K_SET_HW_SPEC_FLAG_ENABLE_LIFE_TIME_EXPIRY will cause 24958a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * packets to expire 500 ms after the timestamp in the tx descriptor. That is, 24968a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * the packets that are queued for more than 500ms, will be dropped in the 24978a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * hardware. This helps minimizing the issues caused due to head-of-line 24988a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * blocking where a slow client can hog the bandwidth and affect traffic to a 24998a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo * faster client. 25008a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo */ 25018a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo#define MWL8K_SET_HW_SPEC_FLAG_ENABLE_LIFE_TIME_EXPIRY 0x00000400 25023373b28e5af4a0b3c6cb39372581dcc1e41322ffNishant Sarmukadam#define MWL8K_SET_HW_SPEC_FLAG_GENERATE_CCMP_HDR 0x00000200 2503b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek#define MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT 0x00000080 2504b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek#define MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_PROBERESP 0x00000020 2505b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek#define MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_BEACON 0x00000010 250642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 250742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstatic int mwl8k_cmd_set_hw_spec(struct ieee80211_hw *hw) 250842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek{ 250942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 251042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_set_hw_spec *cmd; 251142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek int rc; 251242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek int i; 251342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 251442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 251542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (cmd == NULL) 251642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return -ENOMEM; 251742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 251842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_HW_SPEC); 251942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 252042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 252142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 252242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rxd_dma); 2523e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo cmd->num_tx_queues = cpu_to_le32(mwl8k_tx_queues(priv)); 252485c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam 252585c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam /* 252685c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam * Mac80211 stack has Q0 as highest priority and Q3 as lowest in 252785c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam * that order. Firmware has Q3 as highest priority and Q0 as lowest 252885c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam * in that order. Map Q3 of mac80211 to Q0 of firmware so that the 252985c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam * priority is interpreted the right way in firmware. 253085c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam */ 2531e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) { 2532e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo int j = mwl8k_tx_queues(priv) - 1 - i; 253385c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[j].txd_dma); 253485c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam } 253585c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam 2536b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->flags = cpu_to_le32(MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT | 2537b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_PROBERESP | 253831d291a769b4318cbf7943ca149e04d201e2c931Nishant Sarmukadam MWL8K_SET_HW_SPEC_FLAG_HOSTFORM_BEACON | 25393373b28e5af4a0b3c6cb39372581dcc1e41322ffNishant Sarmukadam MWL8K_SET_HW_SPEC_FLAG_ENABLE_LIFE_TIME_EXPIRY | 25403373b28e5af4a0b3c6cb39372581dcc1e41322ffNishant Sarmukadam MWL8K_SET_HW_SPEC_FLAG_GENERATE_CCMP_HDR); 254142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS); 254242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS); 254342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 254442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 254542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek kfree(cmd); 254642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 254742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return rc; 254842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek} 254942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 255042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek/* 2551a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_MAC_MULTICAST_ADR. 2552a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2553a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_mac_multicast_adr { 2554a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2555a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2556a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 numaddr; 2557ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek __u8 addr[0][ETH_ALEN]; 2558a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 2559a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2560d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_DIRECTED 0x0001 2561d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_MULTICAST 0x0002 2562d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_ALL_MULTICAST 0x0004 2563d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_BROADCAST 0x0008 2564ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek 2565e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhekstatic struct mwl8k_cmd_pkt * 2566447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek__mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw, int allmulti, 256722bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko struct netdev_hw_addr_list *mc_list) 2568a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2569e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_mac_multicast_adr *cmd; 2571e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek int size; 257222bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko int mc_count = 0; 257322bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko 257422bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko if (mc_list) 257522bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko mc_count = netdev_hw_addr_list_count(mc_list); 2576e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 2577447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (allmulti || mc_count > priv->num_mcaddrs) { 2578d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek allmulti = 1; 2579d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek mc_count = 0; 2580d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek } 2581e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 2582e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek size = sizeof(*cmd) + mc_count * ETH_ALEN; 2583ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek 2584e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek cmd = kzalloc(size, GFP_ATOMIC); 2585a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2586e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return NULL; 2587a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2588a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_MAC_MULTICAST_ADR); 2589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(size); 2590d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_ENABLE_RX_DIRECTED | 2591d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek MWL8K_ENABLE_RX_BROADCAST); 2592d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek 2593d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek if (allmulti) { 2594d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_ALL_MULTICAST); 2595d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek } else if (mc_count) { 259622bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko struct netdev_hw_addr *ha; 259722bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko int i = 0; 2598d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek 2599d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_MULTICAST); 2600d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->numaddr = cpu_to_le16(mc_count); 260122bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko netdev_hw_addr_list_for_each(ha, mc_list) { 260222bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko memcpy(cmd->addr[i], ha->addr, ETH_ALEN); 2603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2606e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return &cmd->header; 2607a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 261055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_GET_STAT. 2611a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 261255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_get_stat { 2613a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 stats[64]; 2615ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_ACK_FAILURE 9 2618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_RTS_FAILURE 12 2619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_FCS_ERROR 24 2620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_RTS_SUCCESS 11 2621a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 262255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_get_stat(struct ieee80211_hw *hw, 262355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct ieee80211_low_level_stats *stats) 2624a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 262555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_get_stat *cmd; 2626a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2627a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2628a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2629a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2630a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2631a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2632a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_STAT); 2633a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2635a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 2637a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11ACKFailureCount = 2638a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_ACK_FAILURE]); 2639a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11RTSFailureCount = 2640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_FAILURE]); 2641a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11FCSErrorCount = 2642a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_FCS_ERROR]); 2643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11RTSSuccessCount = 2644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_SUCCESS]); 2645a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 265255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_RADIO_CONTROL. 2653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 265455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_radio_control { 2655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 control; 2658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 radio_on; 2659ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2661c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhekstatic int 266255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekmwl8k_cmd_radio_control(struct ieee80211_hw *hw, bool enable, bool force) 2663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 266555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_radio_control *cmd; 2666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2668c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek if (enable == priv->radio_on && !force) 2669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 2670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2671a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2672a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2673a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2674a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2675a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RADIO_CONTROL); 2676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 267868ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek cmd->control = cpu_to_le16(priv->radio_short_preamble ? 3 : 1); 2679a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->radio_on = cpu_to_le16(enable ? 0x0001 : 0x0000); 2680a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2681a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2683a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2684a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) 2685c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek priv->radio_on = enable; 2686a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2687a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2689a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 269055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_radio_disable(struct ieee80211_hw *hw) 2691c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek{ 269255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_radio_control(hw, 0, 0); 2693c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek} 2694c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek 269555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_radio_enable(struct ieee80211_hw *hw) 2696c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek{ 269755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_radio_control(hw, 1, 0); 2698c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek} 2699c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek 2700a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 2701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_set_radio_preamble(struct ieee80211_hw *hw, bool short_preamble) 2702a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 270399200a992e365a73dc67a6570524e5f3af4386ddLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2704a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 270568ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek priv->radio_short_preamble = short_preamble; 2706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 270755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_radio_control(hw, 1, 1); 2708a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2709a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2710a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 271155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_RF_TX_POWER. 2712a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 271341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_RF_TX_POWER_LEVEL_TOTAL 8 2714a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 271555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_rf_tx_power { 2716a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2717a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 support_level; 2719a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 current_level; 2720a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 reserved; 272141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 power_level_list[MWL8K_RF_TX_POWER_LEVEL_TOTAL]; 2722ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2723a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 272455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_rf_tx_power(struct ieee80211_hw *hw, int dBm) 2725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 272655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_rf_tx_power *cmd; 2727a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2728a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2729a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2731a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2733a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RF_TX_POWER); 2734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 2736a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->support_level = cpu_to_le16(dBm); 2737a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2738a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2739a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2740a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2741a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2742a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2743a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 274541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam * CMD_TX_POWER. 274641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam */ 274741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam#define MWL8K_TX_POWER_LEVEL_TOTAL 12 274841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 274941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadamstruct mwl8k_cmd_tx_power { 275041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam struct mwl8k_cmd_pkt header; 275141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 action; 275241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 band; 275341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 channel; 275441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 bw; 275541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 sub_ch; 275641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam __le16 power_level_list[MWL8K_TX_POWER_LEVEL_TOTAL]; 2757ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar} __packed; 275841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 275941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadamstatic int mwl8k_cmd_tx_power(struct ieee80211_hw *hw, 276041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam struct ieee80211_conf *conf, 276141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam unsigned short pwr) 276241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam{ 276341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam struct ieee80211_channel *channel = conf->channel; 276441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam struct mwl8k_cmd_tx_power *cmd; 276541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam int rc; 276641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam int i; 276741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 276841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 276941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam if (cmd == NULL) 277041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam return -ENOMEM; 277141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 277241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_TX_POWER); 277341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 277441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->action = cpu_to_le16(MWL8K_CMD_SET_LIST); 277541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 277641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam if (channel->band == IEEE80211_BAND_2GHZ) 277741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->band = cpu_to_le16(0x1); 277841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam else if (channel->band == IEEE80211_BAND_5GHZ) 277941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->band = cpu_to_le16(0x4); 278041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 2781604c4ef1c453a1b2ea2cdf04d2b49afec421ebfaYogesh Ashok Powar cmd->channel = cpu_to_le16(channel->hw_value); 278241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 278341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam if (conf->channel_type == NL80211_CHAN_NO_HT || 278441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam conf->channel_type == NL80211_CHAN_HT20) { 278541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->bw = cpu_to_le16(0x2); 278641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam } else { 278741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->bw = cpu_to_le16(0x4); 278841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam if (conf->channel_type == NL80211_CHAN_HT40MINUS) 278941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->sub_ch = cpu_to_le16(0x3); 279041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam else if (conf->channel_type == NL80211_CHAN_HT40PLUS) 279141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->sub_ch = cpu_to_le16(0x1); 279241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam } 279341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 279441fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam for (i = 0; i < MWL8K_TX_POWER_LEVEL_TOTAL; i++) 279541fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam cmd->power_level_list[i] = cpu_to_le16(pwr); 279641fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 279741fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam rc = mwl8k_post_cmd(hw, &cmd->header); 279841fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam kfree(cmd); 279941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 280041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam return rc; 280141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam} 280241fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 280341fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam/* 280408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek * CMD_RF_ANTENNA. 280508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek */ 280608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhekstruct mwl8k_cmd_rf_antenna { 280708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek struct mwl8k_cmd_pkt header; 280808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek __le16 antenna; 280908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek __le16 mode; 2810ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 281108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 281208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek#define MWL8K_RF_ANTENNA_RX 1 281308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek#define MWL8K_RF_ANTENNA_TX 2 281408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 281508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhekstatic int 281608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhekmwl8k_cmd_rf_antenna(struct ieee80211_hw *hw, int antenna, int mask) 281708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek{ 281808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek struct mwl8k_cmd_rf_antenna *cmd; 281908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek int rc; 282008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 282108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 282208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek if (cmd == NULL) 282308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek return -ENOMEM; 282408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 282508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RF_ANTENNA); 282608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 282708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->antenna = cpu_to_le16(antenna); 282808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->mode = cpu_to_le16(mask); 282908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 283008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 283108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek kfree(cmd); 283208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 283308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek return rc; 283408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek} 283508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 283608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek/* 2837b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * CMD_SET_BEACON. 2838b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek */ 2839b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstruct mwl8k_cmd_set_beacon { 2840b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_pkt header; 2841b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek __le16 beacon_len; 2842b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek __u8 beacon[0]; 2843b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek}; 2844b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2845aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhekstatic int mwl8k_cmd_set_beacon(struct ieee80211_hw *hw, 2846aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek struct ieee80211_vif *vif, u8 *beacon, int len) 2847b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 2848b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_set_beacon *cmd; 2849b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rc; 2850b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2851b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd = kzalloc(sizeof(*cmd) + len, GFP_KERNEL); 2852b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (cmd == NULL) 2853b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return -ENOMEM; 2854b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2855b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_BEACON); 2856b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd) + len); 2857b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->beacon_len = cpu_to_le16(len); 2858b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek memcpy(cmd->beacon, beacon, len); 2859b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2860aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 2861b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek kfree(cmd); 2862b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2863b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return rc; 2864b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 2865b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 2866b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek/* 2867a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_PRE_SCAN. 2868a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2869a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_pre_scan { 2870a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2871ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2872a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2873a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_pre_scan(struct ieee80211_hw *hw) 2874a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2875a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_pre_scan *cmd; 2876a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2877a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2878a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2879a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2880a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2881a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2882a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_PRE_SCAN); 2883a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2884a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2885a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2886a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2887a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2888a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2889a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2890a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2891a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2892a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_POST_SCAN. 2893a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_post_scan { 2895a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2896a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 isibss; 2897d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 bssid[ETH_ALEN]; 2898ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2899a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2900a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 29010a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhekmwl8k_cmd_set_post_scan(struct ieee80211_hw *hw, const __u8 *mac) 2902a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2903a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_post_scan *cmd; 2904a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2905a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2906a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2907a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2908a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2909a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2910a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_POST_SCAN); 2911a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2912a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->isibss = 0; 2913d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memcpy(cmd->bssid, mac, ETH_ALEN); 2914a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2915a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2916a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2917a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2918a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2919a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2920a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2921a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2922a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_RF_CHANNEL. 2923a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2924a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_rf_channel { 2925a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2926a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2927a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 current_channel; 2928a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 channel_flags; 2929ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2930a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2931a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_rf_channel(struct ieee80211_hw *hw, 2932610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek struct ieee80211_conf *conf) 2933a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2934610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek struct ieee80211_channel *channel = conf->channel; 2935a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_rf_channel *cmd; 2936a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2937a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2938a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2939a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2940a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2941a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2942a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RF_CHANNEL); 2943a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2944a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 2945a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->current_channel = channel->hw_value; 2946610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek 2947a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (channel->band == IEEE80211_BAND_2GHZ) 2948610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x00000001); 294942574ea2274ec0a2a9c58ab01be91b65e60a2291Lennert Buytenhek else if (channel->band == IEEE80211_BAND_5GHZ) 295042574ea2274ec0a2a9c58ab01be91b65e60a2291Lennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x00000004); 2951610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek 2952610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek if (conf->channel_type == NL80211_CHAN_NO_HT || 2953610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek conf->channel_type == NL80211_CHAN_HT20) 2954610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x00000080); 2955610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek else if (conf->channel_type == NL80211_CHAN_HT40MINUS) 2956610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x000001900); 2957610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek else if (conf->channel_type == NL80211_CHAN_HT40PLUS) 2958610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x000000900); 2959a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2960a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2961a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2962a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2963a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2964a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2965a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2966a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 296755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_AID. 2968a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 296955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_DISABLED 0x00 297055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_11G 0x07 297155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY 0x02 297255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_11N_HT_ALL 0x06 2973a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 297455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_update_set_aid { 297555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 297655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 aid; 2977a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 297855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* AP's MAC address (BSSID) */ 297955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 bssid[ETH_ALEN]; 298055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 protection_mode; 298155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 supp_rates[14]; 2982ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 2983a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2984c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhekstatic void legacy_rate_mask_to_array(u8 *rates, u32 mask) 2985c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek{ 2986c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek int i; 2987c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek int j; 2988c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 2989c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek /* 2990c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek * Clear nonstandard rates 4 and 13. 2991c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek */ 2992c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek mask &= 0x1fef; 2993c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 2994c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek for (i = 0, j = 0; i < 14; i++) { 2995c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek if (mask & (1 << i)) 2996777ad375d5960e0d2a945a34032b182eb2952d45Lennert Buytenhek rates[j++] = mwl8k_rates_24[i].hw_value; 2997c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek } 2998c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek} 2999c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 300055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int 3001c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhekmwl8k_cmd_set_aid(struct ieee80211_hw *hw, 3002c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek struct ieee80211_vif *vif, u32 legacy_rate_mask) 3003a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 300455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_update_set_aid *cmd; 300555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek u16 prot_mode; 3006a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3007a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3008a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3009a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3010a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3011a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 301255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_AID); 3013a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 30147dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek cmd->aid = cpu_to_le16(vif->bss_conf.aid); 30150a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhek memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 3016a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 30177dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek if (vif->bss_conf.use_cts_prot) { 301855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11G; 301955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } else { 30207dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek switch (vif->bss_conf.ht_operation_mode & 302155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek IEEE80211_HT_OP_MODE_PROTECTION) { 302255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: 302355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY; 302455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek break; 302555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: 302655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11N_HT_ALL; 302755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek break; 302855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek default: 302955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_DISABLED; 303055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek break; 303155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } 303255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } 303355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->protection_mode = cpu_to_le16(prot_mode); 3034a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3035c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek legacy_rate_mask_to_array(cmd->supp_rates, legacy_rate_mask); 3036a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3037a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3038a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3039a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3040a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3041a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3042a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3043a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 304455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_RATE. 304532060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek */ 304655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_rate { 304755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 304855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 legacy_rates[14]; 304955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 305055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* Bitmap for supported MCS codes. */ 305155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 mcs_set[16]; 305255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 reserved[16]; 3053ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 305432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 305555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int 3056c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhekmwl8k_cmd_set_rate(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 305713935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek u32 legacy_rate_mask, u8 *mcs_rates) 305832060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek{ 305955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_rate *cmd; 306032060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek int rc; 306132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 306232060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 306332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek if (cmd == NULL) 306432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek return -ENOMEM; 306532060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 306655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATE); 306732060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3068c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek legacy_rate_mask_to_array(cmd->legacy_rates, legacy_rate_mask); 306913935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(cmd->mcs_set, mcs_rates, 16); 307032060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 307132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 307232060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek kfree(cmd); 307332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 307432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek return rc; 307532060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek} 307632060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 307732060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek/* 307855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_FINALIZE_JOIN. 3079a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 308055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FJ_BEACON_MAXLEN 128 308155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 308255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_finalize_join { 3083a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 308455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 sleep_interval; /* Number of beacon periods to sleep */ 308555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 beacon_data[MWL8K_FJ_BEACON_MAXLEN]; 3086ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3087a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 308855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_finalize_join(struct ieee80211_hw *hw, void *frame, 308955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int framelen, int dtim) 3090a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 309155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_finalize_join *cmd; 309255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct ieee80211_mgmt *payload = frame; 309355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int payload_len; 3094a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3095a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3096a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3097a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3098a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3099a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 310055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_FINALIZE_JOIN); 3101a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 310255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->sleep_interval = cpu_to_le32(dtim ? dtim : 1); 310355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 310455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek payload_len = framelen - ieee80211_hdrlen(payload->frame_control); 310555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (payload_len < 0) 310655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek payload_len = 0; 310755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek else if (payload_len > MWL8K_FJ_BEACON_MAXLEN) 310855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek payload_len = MWL8K_FJ_BEACON_MAXLEN; 310955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 311055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek memcpy(cmd->beacon_data, &payload->u.beacon, payload_len); 3111a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3112a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3113a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3114a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3115a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3116a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3117a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 311955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_RTS_THRESHOLD. 3120a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 312155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_rts_threshold { 3122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 3123a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 312455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 threshold; 3125ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3127c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhekstatic int 3128c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhekmwl8k_cmd_set_rts_threshold(struct ieee80211_hw *hw, int rts_thresh) 3129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 313055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_rts_threshold *cmd; 3131a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3132a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3134a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3135a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3136a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 313755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RTS_THRESHOLD); 3138a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3139c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 3140c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek cmd->threshold = cpu_to_le16(rts_thresh); 3141a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3142a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3143a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3144a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3145a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3146a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3147a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 314955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_SLOT. 3150a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 315155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_slot { 3152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 3153a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 315455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 short_slot; 3155ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3156a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 315755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_slot(struct ieee80211_hw *hw, bool short_slot_time) 3158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 315955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_slot *cmd; 3160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3162a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3163a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3164a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 316655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_SLOT); 3167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 316855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 316955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->short_slot = short_slot_time; 3170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3172a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3173a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3174a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3175a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3176a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3177a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 3178a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_EDCA_PARAMS. 3179a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 3180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_edca_params { 3181a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 3182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3183a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* See MWL8K_SET_EDCA_XXX below */ 3184a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 3185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3186a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* TX opportunity in units of 32 us */ 3187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 txop; 3188a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 31892e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek union { 31902e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek struct { 31912e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of max contention period: 0...15 */ 31922e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __le32 log_cw_max; 31932e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek 31942e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of min contention period: 0...15 */ 31952e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __le32 log_cw_min; 31962e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek 31972e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Adaptive interframe spacing in units of 32us */ 31982e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 aifs; 31992e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek 32002e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* TX queue to configure */ 32012e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 txq; 32022e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } ap; 32032e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek struct { 32042e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of max contention period: 0...15 */ 32052e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 log_cw_max; 3206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 32072e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of min contention period: 0...15 */ 32082e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 log_cw_min; 3209a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 32102e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Adaptive interframe spacing in units of 32us */ 32112e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 aifs; 3212a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 32132e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* TX queue to configure */ 32142e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 txq; 32152e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } sta; 32162e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek }; 3217ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3218a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3219a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_CW 0x01 3220a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_TXOP 0x02 3221a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_AIFS 0x04 3222a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3223a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_ALL (MWL8K_SET_EDCA_CW | \ 3224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_SET_EDCA_TXOP | \ 3225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_SET_EDCA_AIFS) 3226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 322855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekmwl8k_cmd_set_edca_params(struct ieee80211_hw *hw, __u8 qnum, 322955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u16 cw_min, __u16 cw_max, 323055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 aifs, __u16 txop) 3231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 32322e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_edca_params *cmd; 3234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_EDCA_PARAMS); 3241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_SET_EDCA_ALL); 3243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->txop = cpu_to_le16(txop); 32442e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek if (priv->ap_fw) { 32452e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.log_cw_max = cpu_to_le32(ilog2(cw_max + 1)); 32462e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.log_cw_min = cpu_to_le32(ilog2(cw_min + 1)); 32472e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.aifs = aifs; 32482e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.txq = qnum; 32492e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } else { 32502e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.log_cw_max = (u8)ilog2(cw_max + 1); 32512e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.log_cw_min = (u8)ilog2(cw_min + 1); 32522e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.aifs = aifs; 32532e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.txq = qnum; 32542e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } 3255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3256a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3258a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 326355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_WMM_MODE. 3264a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 326555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_wmm_mode { 3266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 326755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 action; 3268ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 327055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_wmm_mode(struct ieee80211_hw *hw, bool enable) 3271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 327255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 327355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_wmm_mode *cmd; 3274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3275a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3276a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3277a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3278a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3279a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 328055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_WMM_MODE); 3281a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 328255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le16(!!enable); 3283a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3284a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3285a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 328616cec43da50c4b4702653ca710549fd3457a4e6cLennert Buytenhek 328755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (!rc) 328855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek priv->wmm_enabled = enable; 3289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3292a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 329455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_MIMO_CONFIG. 3295a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 329655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_mimo_config { 329755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 329855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 action; 329955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 rx_antenna_map; 330055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 tx_antenna_map; 3301ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3302a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 330355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_mimo_config(struct ieee80211_hw *hw, __u8 rx, __u8 tx) 3304a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 330555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_mimo_config *cmd; 3306a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3307a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3308a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3309a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3310a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3311a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 331255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_MIMO_CONFIG); 3313a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 331455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le32((u32)MWL8K_CMD_SET); 331555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->rx_antenna_map = rx; 331655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->tx_antenna_map = tx; 3317a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3319a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3321a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 3325b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek * CMD_USE_FIXED_RATE (STA version). 3326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 3327b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhekstruct mwl8k_cmd_use_fixed_rate_sta { 3328b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek struct mwl8k_cmd_pkt header; 3329b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 action; 3330b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 allow_rate_drop; 3331b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 num_rates; 3332b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek struct { 3333b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 is_ht_rate; 3334b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 enable_retry; 3335b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 rate; 3336b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 retry_count; 3337b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek } rate_entry[8]; 3338b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 rate_type; 3339b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 reserved1; 3340b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 reserved2; 3341ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3343b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek#define MWL8K_USE_AUTO_RATE 0x0002 3344b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek#define MWL8K_UCAST_RATE 0 3345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3346b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhekstatic int mwl8k_cmd_use_fixed_rate_sta(struct ieee80211_hw *hw) 3347a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3348b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek struct mwl8k_cmd_use_fixed_rate_sta *cmd; 3349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 3353a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3354a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE); 3356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3357b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek cmd->action = cpu_to_le32(MWL8K_USE_AUTO_RATE); 3358b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek cmd->rate_type = cpu_to_le32(MWL8K_UCAST_RATE); 3359a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3360a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3361a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 3362a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3363a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3364a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3365a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 336655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 3367088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek * CMD_USE_FIXED_RATE (AP version). 3368088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek */ 3369088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhekstruct mwl8k_cmd_use_fixed_rate_ap { 3370088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek struct mwl8k_cmd_pkt header; 3371088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 action; 3372088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 allow_rate_drop; 3373088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 num_rates; 3374088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek struct mwl8k_rate_entry_ap { 3375088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 is_ht_rate; 3376088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 enable_retry; 3377088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 rate; 3378088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 retry_count; 3379088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek } rate_entry[4]; 3380088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek u8 multicast_rate; 3381088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek u8 multicast_rate_type; 3382088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek u8 management_rate; 3383ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3384088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3385088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhekstatic int 3386088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhekmwl8k_cmd_use_fixed_rate_ap(struct ieee80211_hw *hw, int mcast, int mgmt) 3387088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek{ 3388088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek struct mwl8k_cmd_use_fixed_rate_ap *cmd; 3389088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek int rc; 3390088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3391088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3392088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek if (cmd == NULL) 3393088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek return -ENOMEM; 3394088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3395088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE); 3396088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3397088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->action = cpu_to_le32(MWL8K_USE_AUTO_RATE); 3398088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->multicast_rate = mcast; 3399088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->management_rate = mgmt; 3400088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3401088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 3402088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek kfree(cmd); 3403088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3404088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek return rc; 3405088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek} 3406088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 3407088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek/* 340855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_ENABLE_SNIFFER. 340955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 341055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_enable_sniffer { 341155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 341255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 action; 3413ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 341455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 341555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_enable_sniffer(struct ieee80211_hw *hw, bool enable) 341655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 341755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_enable_sniffer *cmd; 341855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 341955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 342055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 342155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 342255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 342355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 342455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_ENABLE_SNIFFER); 342555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 342655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le32(!!enable); 342755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 342855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 342955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 343055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 343155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 343255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 343355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 3434197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powarstruct mwl8k_cmd_update_mac_addr { 343555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 343655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek union { 343755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct { 343855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 mac_type; 343955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 mac_addr[ETH_ALEN]; 344055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } mbss; 344155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 mac_addr[ETH_ALEN]; 344255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek }; 3443ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 344455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 3445ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek#define MWL8K_MAC_TYPE_PRIMARY_CLIENT 0 3446ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek#define MWL8K_MAC_TYPE_SECONDARY_CLIENT 1 3447ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek#define MWL8K_MAC_TYPE_PRIMARY_AP 2 3448ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek#define MWL8K_MAC_TYPE_SECONDARY_AP 3 3449a9e00b151ec2121b7ae09d84a2b5a68b6461e98aLennert Buytenhek 3450197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powarstatic int mwl8k_cmd_update_mac_addr(struct ieee80211_hw *hw, 3451197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar struct ieee80211_vif *vif, u8 *mac, bool set) 345255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 345355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3454ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 3455197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar struct mwl8k_cmd_update_mac_addr *cmd; 3456ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek int mac_type; 345755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 345855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 3459ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_PRIMARY_AP; 3460ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek if (vif != NULL && vif->type == NL80211_IFTYPE_STATION) { 3461ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek if (mwl8k_vif->macid + 1 == ffs(priv->sta_macids_supported)) 3462ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_PRIMARY_CLIENT; 3463ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek else 3464ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_SECONDARY_CLIENT; 3465ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek } else if (vif != NULL && vif->type == NL80211_IFTYPE_AP) { 3466ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek if (mwl8k_vif->macid + 1 == ffs(priv->ap_macids_supported)) 3467ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_PRIMARY_AP; 3468ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek else 3469ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mac_type = MWL8K_MAC_TYPE_SECONDARY_AP; 3470ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek } 3471ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek 347255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 347355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 347455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 347555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 3476197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar if (set) 3477197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_MAC_ADDR); 3478197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar else 3479197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar cmd->header.code = cpu_to_le16(MWL8K_CMD_DEL_MAC_ADDR); 3480197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar 348155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 348255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (priv->ap_fw) { 3483ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek cmd->mbss.mac_type = cpu_to_le16(mac_type); 348455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek memcpy(cmd->mbss.mac_addr, mac, ETH_ALEN); 348555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } else { 348655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek memcpy(cmd->mac_addr, mac, ETH_ALEN); 348755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } 348855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 3489aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 349055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 349155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 349255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 349355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 349455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 349555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 3496197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar * MWL8K_CMD_SET_MAC_ADDR. 3497197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar */ 3498197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powarstatic inline int mwl8k_cmd_set_mac_addr(struct ieee80211_hw *hw, 3499197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar struct ieee80211_vif *vif, u8 *mac) 3500197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar{ 3501197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar return mwl8k_cmd_update_mac_addr(hw, vif, mac, true); 3502197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar} 3503197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar 3504197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar/* 3505197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar * MWL8K_CMD_DEL_MAC_ADDR. 3506197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar */ 3507197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powarstatic inline int mwl8k_cmd_del_mac_addr(struct ieee80211_hw *hw, 3508197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar struct ieee80211_vif *vif, u8 *mac) 3509197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar{ 3510197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar return mwl8k_cmd_update_mac_addr(hw, vif, mac, false); 3511197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar} 3512197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar 3513197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar/* 351455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_RATEADAPT_MODE. 351555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 351655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_rate_adapt_mode { 351755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 351855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 action; 351955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 mode; 3520ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 352155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 352255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_rateadapt_mode(struct ieee80211_hw *hw, __u16 mode) 352355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 352455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_rate_adapt_mode *cmd; 352555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 352655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 352755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 352855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 352955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 353055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 353155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATEADAPT_MODE); 353255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 353355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 353455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->mode = cpu_to_le16(mode); 353555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 353655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 353755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 353855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 353955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 354055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 354155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 354255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 35433aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam * CMD_GET_WATCHDOG_BITMAP. 35443aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam */ 35453aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadamstruct mwl8k_cmd_get_watchdog_bitmap { 35463aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam struct mwl8k_cmd_pkt header; 35473aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam u8 bitmap; 35483aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam} __packed; 35493aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35503aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadamstatic int mwl8k_cmd_get_watchdog_bitmap(struct ieee80211_hw *hw, u8 *bitmap) 35513aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam{ 35523aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam struct mwl8k_cmd_get_watchdog_bitmap *cmd; 35533aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam int rc; 35543aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35553aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 35563aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (cmd == NULL) 35573aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam return -ENOMEM; 35583aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35593aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_WATCHDOG_BITMAP); 35603aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 35613aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35623aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam rc = mwl8k_post_cmd(hw, &cmd->header); 35633aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (!rc) 35643aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam *bitmap = cmd->bitmap; 35653aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35663aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam kfree(cmd); 35673aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35683aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam return rc; 35693aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam} 35703aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35713aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam#define INVALID_BA 0xAA 35723aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadamstatic void mwl8k_watchdog_ba_events(struct work_struct *work) 35733aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam{ 35743aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam int rc; 35753aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam u8 bitmap = 0, stream_index; 35763aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam struct mwl8k_ampdu_stream *streams; 35773aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam struct mwl8k_priv *priv = 35783aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam container_of(work, struct mwl8k_priv, watchdog_ba_handle); 35793aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35803aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam rc = mwl8k_cmd_get_watchdog_bitmap(priv->hw, &bitmap); 35813aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (rc) 35823aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam return; 35833aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35843aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (bitmap == INVALID_BA) 35853aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam return; 35863aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35873aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam /* the bitmap is the hw queue number. Map it to the ampdu queue. */ 35883aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam stream_index = bitmap - MWL8K_TX_WMM_QUEUES; 35893aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35903aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam BUG_ON(stream_index >= priv->num_ampdu_queues); 35913aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35923aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam streams = &priv->ampdu[stream_index]; 35933aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35943aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (streams->state == AMPDU_STREAM_ACTIVE) 35953aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam ieee80211_stop_tx_ba_session(streams->sta, streams->tid); 35963aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 35973aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam return; 35983aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam} 35993aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 36003aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 36013aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam/* 3602b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * CMD_BSS_START. 3603b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek */ 3604b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstruct mwl8k_cmd_bss_start { 3605b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_pkt header; 3606b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek __le32 enable; 3607ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 3608b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3609aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhekstatic int mwl8k_cmd_bss_start(struct ieee80211_hw *hw, 3610aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek struct ieee80211_vif *vif, int enable) 3611b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 3612b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_bss_start *cmd; 3613b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rc; 3614b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3615b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3616b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (cmd == NULL) 3617b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return -ENOMEM; 3618b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3619b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_BSS_START); 3620b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3621b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->enable = cpu_to_le32(enable); 3622b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3623aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 3624b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek kfree(cmd); 3625b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3626b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return rc; 3627b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 3628b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3629b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek/* 36305faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam * CMD_BASTREAM. 36315faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam */ 36325faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36335faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam/* 36345faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam * UPSTREAM is tx direction 36355faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam */ 36365faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam#define BASTREAM_FLAG_DIRECTION_UPSTREAM 0x00 36375faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam#define BASTREAM_FLAG_IMMEDIATE_TYPE 0x01 36385faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 3639ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powarenum ba_stream_action_type { 36405faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_CREATE, 36415faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_UPDATE, 36425faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_DESTROY, 36435faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_FLUSH, 36445faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam MWL8K_BA_CHECK, 3645ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar}; 36465faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36475faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36485faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstruct mwl8k_create_ba_stream { 36495faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 flags; 36505faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 idle_thrs; 36515faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 bar_thrs; 36525faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 window_size; 36535faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 peer_mac_addr[6]; 36545faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 dialog_token; 36555faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 tid; 36565faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 queue_id; 36575faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 param_info; 36585faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 ba_context; 36595faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 reset_seq_no_flag; 36605faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le16 curr_seq_no; 36615faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 sta_src_mac_addr[6]; 36625faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} __packed; 36635faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36645faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstruct mwl8k_destroy_ba_stream { 36655faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 flags; 36665faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 ba_context; 36675faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} __packed; 36685faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36695faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstruct mwl8k_cmd_bastream { 36705faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_cmd_pkt header; 36715faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam __le32 action; 36725faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam union { 36735faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_create_ba_stream create_params; 36745faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_destroy_ba_stream destroy_params; 36755faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam }; 36765faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} __packed; 36775faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36785faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstatic int 36795faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadammwl8k_check_ba(struct ieee80211_hw *hw, struct mwl8k_ampdu_stream *stream) 36805faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam{ 36815faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_cmd_bastream *cmd; 36825faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam int rc; 36835faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36845faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 36855faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam if (cmd == NULL) 36865faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return -ENOMEM; 36875faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36885faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_BASTREAM); 36895faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 36905faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36915faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_BA_CHECK); 36925faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36935faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.queue_id = stream->idx; 36945faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam memcpy(&cmd->create_params.peer_mac_addr[0], stream->sta->addr, 36955faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam ETH_ALEN); 36965faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.tid = stream->tid; 36975faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 36985faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.flags = 36995faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cpu_to_le32(BASTREAM_FLAG_IMMEDIATE_TYPE) | 37005faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cpu_to_le32(BASTREAM_FLAG_DIRECTION_UPSTREAM); 37015faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37025faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam rc = mwl8k_post_cmd(hw, &cmd->header); 37035faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37045faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam kfree(cmd); 37055faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37065faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return rc; 37075faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} 37085faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37095faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstatic int 37105faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadammwl8k_create_ba(struct ieee80211_hw *hw, struct mwl8k_ampdu_stream *stream, 37115faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam u8 buf_size) 37125faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam{ 37135faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_cmd_bastream *cmd; 37145faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam int rc; 37155faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37165faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 37175faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam if (cmd == NULL) 37185faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return -ENOMEM; 37195faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37205faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37215faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_BASTREAM); 37225faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 37235faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37245faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_BA_CREATE); 37255faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37265faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.bar_thrs = cpu_to_le32((u32)buf_size); 37275faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.window_size = cpu_to_le32((u32)buf_size); 37285faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.queue_id = stream->idx; 37295faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37305faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam memcpy(cmd->create_params.peer_mac_addr, stream->sta->addr, ETH_ALEN); 37315faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.tid = stream->tid; 37325faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.curr_seq_no = cpu_to_le16(0); 37335faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.reset_seq_no_flag = 1; 37345faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37355faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.param_info = 37365faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam (stream->sta->ht_cap.ampdu_factor & 37375faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam IEEE80211_HT_AMPDU_PARM_FACTOR) | 37385faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam ((stream->sta->ht_cap.ampdu_density << 2) & 37395faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam IEEE80211_HT_AMPDU_PARM_DENSITY); 37405faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37415faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->create_params.flags = 37425faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cpu_to_le32(BASTREAM_FLAG_IMMEDIATE_TYPE | 37435faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam BASTREAM_FLAG_DIRECTION_UPSTREAM); 37445faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37455faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam rc = mwl8k_post_cmd(hw, &cmd->header); 37465faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37475faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam wiphy_debug(hw->wiphy, "Created a BA stream for %pM : tid %d\n", 37485faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam stream->sta->addr, stream->tid); 37495faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam kfree(cmd); 37505faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37515faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return rc; 37525faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} 37535faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37545faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadamstatic void mwl8k_destroy_ba(struct ieee80211_hw *hw, 37555faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_ampdu_stream *stream) 37565faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam{ 37575faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam struct mwl8k_cmd_bastream *cmd; 37585faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37595faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 37605faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam if (cmd == NULL) 37615faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam return; 37625faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37635faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_BASTREAM); 37645faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 37655faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_BA_DESTROY); 37665faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37675faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam cmd->destroy_params.ba_context = cpu_to_le32(stream->idx); 37685faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam mwl8k_post_cmd(hw, &cmd->header); 37695faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37705faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam wiphy_debug(hw->wiphy, "Deleted BA stream index %d\n", stream->idx); 37715faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37725faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam kfree(cmd); 37735faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam} 37745faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam 37755faa1aff08ef8d82b98ac2dfd7beb62ae6eda5e5Nishant Sarmukadam/* 37763f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek * CMD_SET_NEW_STN. 37773f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek */ 37783f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhekstruct mwl8k_cmd_set_new_stn { 37793f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct mwl8k_cmd_pkt header; 37803f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 aid; 37813f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 mac_addr[6]; 37823f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 stn_id; 37833f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 action; 37843f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 rsvd; 37853f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le32 legacy_rates; 37863f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 ht_rates[4]; 37873f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 cap_info; 37883f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 ht_capabilities_info; 37893f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 mac_ht_param_info; 37903f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 rev; 37913f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 control_channel; 37923f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 add_channel; 37933f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 op_mode; 37943f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le16 stbc; 37953f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 add_qos_info; 37963f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __u8 is_qos_sta; 37973f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek __le32 fw_sta_ptr; 3798ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 37993f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 38003f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek#define MWL8K_STA_ACTION_ADD 0 38013f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek#define MWL8K_STA_ACTION_REMOVE 2 38023f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 38033f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhekstatic int mwl8k_cmd_set_new_stn_add(struct ieee80211_hw *hw, 38043f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct ieee80211_vif *vif, 38053f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct ieee80211_sta *sta) 38063f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek{ 38073f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct mwl8k_cmd_set_new_stn *cmd; 38088707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek u32 rates; 38093f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek int rc; 38103f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 38113f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 38123f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek if (cmd == NULL) 38133f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek return -ENOMEM; 38143f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 38153f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_NEW_STN); 38163f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 38173f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->aid = cpu_to_le16(sta->aid); 38183f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek memcpy(cmd->mac_addr, sta->addr, ETH_ALEN); 38193f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->stn_id = cpu_to_le16(sta->aid); 38203f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_STA_ACTION_ADD); 38218707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek if (hw->conf.channel->band == IEEE80211_BAND_2GHZ) 38228707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rates = sta->supp_rates[IEEE80211_BAND_2GHZ]; 38238707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek else 38248707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rates = sta->supp_rates[IEEE80211_BAND_5GHZ] << 5; 38258707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek cmd->legacy_rates = cpu_to_le32(rates); 38263f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek if (sta->ht_cap.ht_supported) { 38273f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_rates[0] = sta->ht_cap.mcs.rx_mask[0]; 38283f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_rates[1] = sta->ht_cap.mcs.rx_mask[1]; 38293f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_rates[2] = sta->ht_cap.mcs.rx_mask[2]; 38303f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_rates[3] = sta->ht_cap.mcs.rx_mask[3]; 38313f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->ht_capabilities_info = cpu_to_le16(sta->ht_cap.cap); 38323f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->mac_ht_param_info = (sta->ht_cap.ampdu_factor & 3) | 38333f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek ((sta->ht_cap.ampdu_density & 7) << 2); 38343f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->is_qos_sta = 1; 38353f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek } 38363f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 3837aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 38383f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek kfree(cmd); 38393f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 38403f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek return rc; 38413f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek} 38423f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 3843b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstatic int mwl8k_cmd_set_new_stn_add_self(struct ieee80211_hw *hw, 3844b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct ieee80211_vif *vif) 3845b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 3846b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_cmd_set_new_stn *cmd; 3847b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rc; 3848b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3849b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3850b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (cmd == NULL) 3851b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return -ENOMEM; 3852b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3853b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_NEW_STN); 3854b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3855b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek memcpy(cmd->mac_addr, vif->addr, ETH_ALEN); 3856b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3857aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 3858b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek kfree(cmd); 3859b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 3860b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return rc; 3861b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 3862b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 38633f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhekstatic int mwl8k_cmd_set_new_stn_del(struct ieee80211_hw *hw, 38643f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct ieee80211_vif *vif, u8 *addr) 38653f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek{ 38663f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct mwl8k_cmd_set_new_stn *cmd; 38673f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek int rc; 38683f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 38693f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 38703f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek if (cmd == NULL) 38713f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek return -ENOMEM; 38723f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 38733f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_NEW_STN); 38743f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 38753f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek memcpy(cmd->mac_addr, addr, ETH_ALEN); 38763f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_STA_ACTION_REMOVE); 38773f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 3878aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 38793f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek kfree(cmd); 38803f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 38813f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek return rc; 38823f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek} 38833f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 38843f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek/* 3885fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam * CMD_UPDATE_ENCRYPTION. 3886fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam */ 3887fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3888fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MAX_ENCR_KEY_LENGTH 16 3889fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MIC_KEY_LENGTH 8 3890fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3891fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstruct mwl8k_cmd_update_encryption { 3892fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_pkt header; 3893fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3894fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 action; 3895fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 reserved; 3896fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 mac_addr[6]; 3897fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 encr_type; 3898fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3899ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar} __packed; 3900fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3901fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstruct mwl8k_cmd_set_key { 3902fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_pkt header; 3903fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3904fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 action; 3905fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 reserved; 3906fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 length; 3907fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 key_type_id; 3908fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 key_info; 3909fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 key_id; 3910fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 key_len; 3911fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 key_material[MAX_ENCR_KEY_LENGTH]; 3912fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 tkip_tx_mic_key[MIC_KEY_LENGTH]; 3913fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 tkip_rx_mic_key[MIC_KEY_LENGTH]; 3914fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 tkip_rsc_low; 3915fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 tkip_rsc_high; 3916fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le16 tkip_tsc_low; 3917fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __le32 tkip_tsc_high; 3918fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam __u8 mac_addr[6]; 3919ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar} __packed; 3920fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3921fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamenum { 3922fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ENCR_ENABLE, 3923fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ENCR_SET_KEY, 3924fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ENCR_REMOVE_KEY, 3925fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ENCR_SET_GROUP_KEY, 3926fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam}; 3927fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3928fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_WEP 0 3929fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_DISABLE 1 3930fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_TKIP 4 3931fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_MIXED 7 3932fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_UPDATE_ENCRYPTION_TYPE_AES 8 3933fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3934fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamenum { 3935fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ALG_WEP, 3936fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ALG_TKIP, 3937fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam MWL8K_ALG_CCMP, 3938fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam}; 3939fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3940fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_TXGROUPKEY 0x00000004 3941fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_PAIRWISE 0x00000008 3942fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_TSC_VALID 0x00000040 3943fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_WEP_TXKEY 0x01000000 3944fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam#define MWL8K_KEY_FLAG_MICKEY_VALID 0x02000000 3945fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3946fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_cmd_update_encryption_enable(struct ieee80211_hw *hw, 3947fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_vif *vif, 3948fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr, 3949fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 encr_type) 3950fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 3951fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_update_encryption *cmd; 3952fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int rc; 3953fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3954fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3955fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (cmd == NULL) 3956fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -ENOMEM; 3957fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3958fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_ENCRYPTION); 3959fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3960fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_ENCR_ENABLE); 3961fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam memcpy(cmd->mac_addr, addr, ETH_ALEN); 3962fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->encr_type = encr_type; 3963fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3964fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 3965fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam kfree(cmd); 3966fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3967fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return rc; 3968fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 3969fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3970fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_encryption_set_cmd_info(struct mwl8k_cmd_set_key *cmd, 3971fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr, 3972fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key) 3973fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 3974fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_ENCRYPTION); 3975fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->header.length = cpu_to_le16(sizeof(*cmd)); 3976fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->length = cpu_to_le16(sizeof(*cmd) - 3977fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam offsetof(struct mwl8k_cmd_set_key, length)); 3978fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_id = cpu_to_le32(key->keyidx); 3979fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_len = cpu_to_le16(key->keylen); 3980fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam memcpy(cmd->mac_addr, addr, ETH_ALEN); 3981fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3982fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam switch (key->cipher) { 3983fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_WEP40: 3984fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_WEP104: 3985fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_type_id = cpu_to_le16(MWL8K_ALG_WEP); 3986fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (key->keyidx == 0) 3987fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_info = cpu_to_le32(MWL8K_KEY_FLAG_WEP_TXKEY); 3988fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 3989fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 3990fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_TKIP: 3991fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_type_id = cpu_to_le16(MWL8K_ALG_TKIP); 3992fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_info = (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 3993fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam ? cpu_to_le32(MWL8K_KEY_FLAG_PAIRWISE) 3994fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam : cpu_to_le32(MWL8K_KEY_FLAG_TXGROUPKEY); 3995fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_info |= cpu_to_le32(MWL8K_KEY_FLAG_MICKEY_VALID 3996fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam | MWL8K_KEY_FLAG_TSC_VALID); 3997fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 3998fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_CCMP: 3999fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_type_id = cpu_to_le16(MWL8K_ALG_CCMP); 4000fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->key_info = (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 4001fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam ? cpu_to_le32(MWL8K_KEY_FLAG_PAIRWISE) 4002fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam : cpu_to_le32(MWL8K_KEY_FLAG_TXGROUPKEY); 4003fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4004fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam default: 4005fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -ENOTSUPP; 4006fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } 4007fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4008fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return 0; 4009fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 4010fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4011fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_cmd_encryption_set_key(struct ieee80211_hw *hw, 4012fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_vif *vif, 4013fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr, 4014fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key) 4015fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 4016fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_set_key *cmd; 4017fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int rc; 4018fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int keymlen; 4019fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u32 action; 4020fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 idx; 4021fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 4022fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4023fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4024fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (cmd == NULL) 4025fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -ENOMEM; 4026fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4027fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_encryption_set_cmd_info(cmd, addr, key); 4028fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc < 0) 4029fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto done; 4030fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4031fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam idx = key->keyidx; 4032fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4033fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 4034fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam action = MWL8K_ENCR_SET_KEY; 4035fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam else 4036fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam action = MWL8K_ENCR_SET_GROUP_KEY; 4037fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4038fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam switch (key->cipher) { 4039fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_WEP40: 4040fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_WEP104: 4041fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (!mwl8k_vif->wep_key_conf[idx].enabled) { 4042fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam memcpy(mwl8k_vif->wep_key_conf[idx].key, key, 4043fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam sizeof(*key) + key->keylen); 4044fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam mwl8k_vif->wep_key_conf[idx].enabled = 1; 4045fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } 4046fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 40479b571e24a9922f79ed2440b4482cb9f11a8f1889Yogesh Ashok Powar keymlen = key->keylen; 4048fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam action = MWL8K_ENCR_SET_KEY; 4049fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4050fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_TKIP: 4051fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam keymlen = MAX_ENCR_KEY_LENGTH + 2 * MIC_KEY_LENGTH; 4052fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4053fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam case WLAN_CIPHER_SUITE_CCMP: 4054fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam keymlen = key->keylen; 4055fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam break; 4056fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam default: 4057fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = -ENOTSUPP; 4058fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto done; 4059fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } 4060fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4061fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam memcpy(cmd->key_material, key->key, keymlen); 4062fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->action = cpu_to_le32(action); 4063fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4064fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 4065fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamdone: 4066fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam kfree(cmd); 4067fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4068fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return rc; 4069fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 4070fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4071fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_cmd_encryption_remove_key(struct ieee80211_hw *hw, 4072fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_vif *vif, 4073fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr, 4074fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key) 4075fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 4076fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_cmd_set_key *cmd; 4077fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int rc; 4078fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 4079fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4080fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4081fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (cmd == NULL) 4082fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -ENOMEM; 4083fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4084fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_encryption_set_cmd_info(cmd, addr, key); 4085fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc < 0) 4086fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto done; 4087fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4088fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (key->cipher == WLAN_CIPHER_SUITE_WEP40 || 4089d981e05908f85beb68ae0d935e59c5e399d2136eDan Carpenter key->cipher == WLAN_CIPHER_SUITE_WEP104) 4090fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam mwl8k_vif->wep_key_conf[key->keyidx].enabled = 0; 4091fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4092fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam cmd->action = cpu_to_le32(MWL8K_ENCR_REMOVE_KEY); 4093fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4094fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); 4095fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamdone: 4096fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam kfree(cmd); 4097fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4098fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return rc; 4099fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 4100fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4101fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamstatic int mwl8k_set_key(struct ieee80211_hw *hw, 4102fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam enum set_key_cmd cmd_param, 4103fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_vif *vif, 4104fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_sta *sta, 4105fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key) 4106fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam{ 4107fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int rc = 0; 4108fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 encr_type; 4109fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam u8 *addr; 4110fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 4111fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4112fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (vif->type == NL80211_IFTYPE_STATION) 4113fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return -EOPNOTSUPP; 4114fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4115fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (sta == NULL) 4116ff7e9f99f7effb385a9be2f7198743c1ad2bb126Yogesh Ashok Powar addr = vif->addr; 4117fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam else 4118fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam addr = sta->addr; 4119fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4120fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (cmd_param == SET_KEY) { 4121fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_cmd_encryption_set_key(hw, vif, addr, key); 4122fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc) 4123fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto out; 4124fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4125fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if ((key->cipher == WLAN_CIPHER_SUITE_WEP40) 4126fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam || (key->cipher == WLAN_CIPHER_SUITE_WEP104)) 4127fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam encr_type = MWL8K_UPDATE_ENCRYPTION_TYPE_WEP; 4128fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam else 4129fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam encr_type = MWL8K_UPDATE_ENCRYPTION_TYPE_MIXED; 4130fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4131fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_cmd_update_encryption_enable(hw, vif, addr, 4132fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam encr_type); 4133fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc) 4134fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto out; 4135fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4136fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam mwl8k_vif->is_hw_crypto_enabled = true; 4137fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4138fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } else { 4139fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam rc = mwl8k_cmd_encryption_remove_key(hw, vif, addr, key); 4140fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4141fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam if (rc) 4142fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam goto out; 4143fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam } 4144fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadamout: 4145fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return rc; 4146fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam} 4147fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam 4148fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam/* 414955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_UPDATE_STADB. 415055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 415125d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhekstruct ewc_ht_info { 415225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 control1; 415325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 control2; 415425d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 control3; 4155ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 415625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 415725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhekstruct peer_capability_info { 415825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Peer type - AP vs. STA. */ 415925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 peer_type; 416025d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 416125d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Basic 802.11 capabilities from assoc resp. */ 416225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 basic_caps; 416325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 416425d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Set if peer supports 802.11n high throughput (HT). */ 416525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 ht_support; 416625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 416725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Valid if HT is supported. */ 416825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 ht_caps; 416925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 extended_ht_caps; 417025d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek struct ewc_ht_info ewc_info; 417125d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 417225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Legacy rate table. Intersection of our rates and peer rates. */ 417325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 legacy_rates[12]; 417425d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 417525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* HT rate table. Intersection of our rates and peer rates. */ 417625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 ht_rates[16]; 417725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 pad[16]; 417825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 417925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* If set, interoperability mode, no proprietary extensions. */ 418025d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 interop; 418125d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 pad2; 418225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 station_id; 418325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 amsdu_enabled; 4184ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 418525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 418655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_update_stadb { 418755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 418855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 418955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* See STADB_ACTION_TYPE */ 419055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 action; 419155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 419255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* Peer MAC address */ 419355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 peer_addr[ETH_ALEN]; 419455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 419555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 reserved; 419655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 419755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* Peer info - valid during add/update. */ 419855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct peer_capability_info peer_info; 4199ba2d3587912f82d1ab4367975b1df460db60fb1eEric Dumazet} __packed; 420055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 4201a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_STA_DB_MODIFY_ENTRY 1 4202a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_STA_DB_DEL_ENTRY 2 4203a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4204a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek/* Peer Entry flags - used to define the type of the peer node */ 4205a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_PEER_TYPE_ACCESSPOINT 2 4206a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4207a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhekstatic int mwl8k_cmd_update_stadb_add(struct ieee80211_hw *hw, 4208c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek struct ieee80211_vif *vif, 420913935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek struct ieee80211_sta *sta) 421055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 421155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_update_stadb *cmd; 4212a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct peer_capability_info *p; 42138707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek u32 rates; 421455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 421555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 421655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 421755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 421855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 421955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 422055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_STADB); 422155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 4222a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->action = cpu_to_le32(MWL8K_STA_DB_MODIFY_ENTRY); 422313935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(cmd->peer_addr, sta->addr, ETH_ALEN); 422455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 4225a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p = &cmd->peer_info; 4226a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->peer_type = MWL8K_PEER_TYPE_ACCESSPOINT; 4227a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->basic_caps = cpu_to_le16(vif->bss_conf.assoc_capability); 422813935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek p->ht_support = sta->ht_cap.ht_supported; 4229b603742f49c3ec922522602e18ac22e8f6835132John W. Linville p->ht_caps = cpu_to_le16(sta->ht_cap.cap); 423013935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek p->extended_ht_caps = (sta->ht_cap.ampdu_factor & 3) | 423113935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek ((sta->ht_cap.ampdu_density & 7) << 2); 42328707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek if (hw->conf.channel->band == IEEE80211_BAND_2GHZ) 42338707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rates = sta->supp_rates[IEEE80211_BAND_2GHZ]; 42348707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek else 42358707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rates = sta->supp_rates[IEEE80211_BAND_5GHZ] << 5; 42368707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek legacy_rate_mask_to_array(p->legacy_rates, rates); 423713935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(p->ht_rates, sta->ht_cap.mcs.rx_mask, 16); 4238a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->interop = 1; 4239a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->amsdu_enabled = 0; 4240a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4241a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 4242a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek kfree(cmd); 4243a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4244a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek return rc ? rc : p->station_id; 4245a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek} 4246a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4247a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhekstatic int mwl8k_cmd_update_stadb_del(struct ieee80211_hw *hw, 4248a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct ieee80211_vif *vif, u8 *addr) 4249a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek{ 4250a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct mwl8k_cmd_update_stadb *cmd; 4251a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek int rc; 4252a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4253a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4254a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek if (cmd == NULL) 4255a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek return -ENOMEM; 4256a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 4257a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_STADB); 4258a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 4259a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->action = cpu_to_le32(MWL8K_STA_DB_DEL_ENTRY); 4260bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek memcpy(cmd->peer_addr, addr, ETH_ALEN); 426155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 4262a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 426355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 426455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 426555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 426655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 426755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 4268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 4270a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Interrupt handling. 4271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 4272a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic irqreturn_t mwl8k_interrupt(int irq, void *dev_id) 4273a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = dev_id; 4275a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4276a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 status; 4277a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4278a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = ioread32(priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 4279a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!status) 4280a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return IRQ_NONE; 4281a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 42821e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek if (status & MWL8K_A2H_INT_TX_DONE) { 42831e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek status &= ~MWL8K_A2H_INT_TX_DONE; 42841e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_schedule(&priv->poll_tx_task); 42851e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek } 42861e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 4287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_RX_READY) { 428867e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek status &= ~MWL8K_A2H_INT_RX_READY; 428967e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_schedule(&priv->poll_rx_task); 4290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 42923aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam if (status & MWL8K_A2H_INT_BA_WATCHDOG) { 42933aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam status &= ~MWL8K_A2H_INT_BA_WATCHDOG; 42943aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam ieee80211_queue_work(hw, &priv->watchdog_ba_handle); 42953aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam } 42963aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam 429767e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek if (status) 429867e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek iowrite32(~status, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 429967e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 4300a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_OPC_DONE) { 4301618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (priv->hostcmd_wait != NULL) 4302a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek complete(priv->hostcmd_wait); 4303a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4304a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4305a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_QUEUE_EMPTY) { 4306618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (!mutex_is_locked(&priv->fw_mutex) && 430788de754ad59025eba797e7a8375807755577f450Lennert Buytenhek priv->radio_on && priv->pending_tx_pkts) 4308618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mwl8k_tx_start(priv); 4309a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4310a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4311a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return IRQ_HANDLED; 4312a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4313a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 43141e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhekstatic void mwl8k_tx_poll(unsigned long data) 43151e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek{ 43161e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek struct ieee80211_hw *hw = (struct ieee80211_hw *)data; 43171e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 43181e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek int limit; 43191e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek int i; 43201e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 43211e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek limit = 32; 43221e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 43231e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek spin_lock_bh(&priv->tx_lock); 43241e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 4325e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 43261e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek limit -= mwl8k_txq_reclaim(hw, i, limit, 0); 43271e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 43281e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek if (!priv->pending_tx_pkts && priv->tx_wait != NULL) { 43291e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek complete(priv->tx_wait); 43301e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek priv->tx_wait = NULL; 43311e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek } 43321e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 43331e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 43341e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 43351e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek if (limit) { 43361e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek writel(~MWL8K_A2H_INT_TX_DONE, 43371e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 43381e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek } else { 43391e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_schedule(&priv->poll_tx_task); 43401e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek } 43411e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek} 43421e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek 434367e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhekstatic void mwl8k_rx_poll(unsigned long data) 434467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek{ 434567e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek struct ieee80211_hw *hw = (struct ieee80211_hw *)data; 434667e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 434767e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek int limit; 434867e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 434967e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek limit = 32; 435067e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek limit -= rxq_process(hw, 0, limit); 435167e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek limit -= rxq_refill(hw, 0, limit); 435267e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 435367e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek if (limit) { 435467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek writel(~MWL8K_A2H_INT_RX_READY, 435567e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 435667e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek } else { 435767e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_schedule(&priv->poll_rx_task); 435867e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek } 435967e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek} 436067e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek 4361a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4362a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 4363a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Core driver operations. 4364a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 43657bb4568372856688bc070917265bce0b88bb7d4dJohannes Bergstatic void mwl8k_tx(struct ieee80211_hw *hw, struct sk_buff *skb) 4366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4367a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4368a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int index = skb_get_queue_mapping(skb); 4369a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 43709189c10087a738c764046fa27651d332594cd8e6Lennert Buytenhek if (!priv->radio_on) { 4371c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_debug(hw->wiphy, 4372c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "dropped TX frame since radio disabled\n"); 4373a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(skb); 43747bb4568372856688bc070917265bce0b88bb7d4dJohannes Berg return; 4375a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4376a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 43777bb4568372856688bc070917265bce0b88bb7d4dJohannes Berg mwl8k_txq_xmit(hw, index, skb); 4378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4380a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_start(struct ieee80211_hw *hw) 4381a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4382a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4383a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 4384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4385a0607fd3a25ba1848a63a0d925e36d914735ab47Joe Perches rc = request_irq(priv->pdev->irq, mwl8k_interrupt, 4386a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IRQF_SHARED, MWL8K_NAME, hw); 4387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 4388bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo priv->irq = -1; 43895db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to register IRQ handler\n"); 43902ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek return -EIO; 4391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4392bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo priv->irq = priv->pdev->irq; 4393a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 439467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek /* Enable TX reclaim and RX tasklets. */ 43951e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_enable(&priv->poll_tx_task); 439667e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_enable(&priv->poll_rx_task); 43972ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 4398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Enable interrupts */ 4399c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 440012488e01fb2b06bb3f6ee137efc88e29d827817eNishant Sarmukadam iowrite32(MWL8K_A2H_EVENTS, 440112488e01fb2b06bb3f6ee137efc88e29d827817eNishant Sarmukadam priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 4402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 44032ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_fw_lock(hw); 44042ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) { 440555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_radio_enable(hw); 4406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 44075e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!priv->ap_fw) { 44085e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!rc) 440955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_enable_sniffer(hw, 0); 4410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 44115e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!rc) 44125e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek rc = mwl8k_cmd_set_pre_scan(hw); 44135e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek 44145e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!rc) 44155e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek rc = mwl8k_cmd_set_post_scan(hw, 44165e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek "\x00\x00\x00\x00\x00\x00"); 44175e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek } 44182ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 44192ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 442055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_rateadapt_mode(hw, 0); 4421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 44222ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 442355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_wmm_mode(hw, 0); 4424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 44252ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek mwl8k_fw_unlock(hw); 44262ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek } 44272ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 44282ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (rc) { 44292ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 44302ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek free_irq(priv->pdev->irq, hw); 4431bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo priv->irq = -1; 44321e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_disable(&priv->poll_tx_task); 443367e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_disable(&priv->poll_rx_task); 44342ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek } 4435a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4436a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 4437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_stop(struct ieee80211_hw *hw) 4440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4441a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4442a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 4443a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 44446b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!priv->hw_restart_in_progress) 44456b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_cmd_radio_disable(hw); 4446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4447a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queues(hw); 4448a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable interrupts */ 4450a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 4451bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo if (priv->irq != -1) { 4452bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo free_irq(priv->pdev->irq, hw); 4453bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo priv->irq = -1; 4454bf3ca7f752d8f5009c9a83db56035566f3e313deBrian Cavagnolo } 4455a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop finalize join worker */ 4457a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cancel_work_sync(&priv->finalize_join_worker); 44583aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam cancel_work_sync(&priv->watchdog_ba_handle); 4459a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->beacon_skb != NULL) 4460a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(priv->beacon_skb); 4461a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 446267e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek /* Stop TX reclaim and RX tasklets. */ 44631e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_disable(&priv->poll_tx_task); 446467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_disable(&priv->poll_rx_task); 4465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Return all skbs to mac80211 */ 4467e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 4468efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek mwl8k_txq_reclaim(hw, i, INT_MAX, 1); 4469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 44710863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolostatic int mwl8k_reload_firmware(struct ieee80211_hw *hw, char *fw_image); 44720863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo 4473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_add_interface(struct ieee80211_hw *hw, 4474f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct ieee80211_vif *vif) 4475a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mwl8k_vif; 4478ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek u32 macids_supported; 44790863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo int macid, rc; 44800863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo struct mwl8k_device_info *di; 4481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 4483a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Reject interface creation if sniffer mode is active, as 4484a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * STA operation is mutually exclusive with hardware sniffer 4485b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * mode. (Sniffer mode is only used on STA firmware.) 4486a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 4487a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (priv->sniffer_enabled) { 4488c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_info(hw->wiphy, 4489c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "unable to create STA interface because sniffer mode is enabled\n"); 4490a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return -EINVAL; 4491a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 4492a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 44930863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo di = priv->device_info; 4494ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek switch (vif->type) { 4495ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek case NL80211_IFTYPE_AP: 44960863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (!priv->ap_fw && di->fw_image_ap) { 44970863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo /* we must load the ap fw to meet this request */ 44980863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (!list_empty(&priv->vif_list)) 44990863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo return -EBUSY; 45000863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo rc = mwl8k_reload_firmware(hw, di->fw_image_ap); 45010863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (rc) 45020863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo return rc; 45030863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo } 4504ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek macids_supported = priv->ap_macids_supported; 4505ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek break; 4506ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek case NL80211_IFTYPE_STATION: 45070863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (priv->ap_fw && di->fw_image_sta) { 45080863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo /* we must load the sta fw to meet this request */ 45090863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (!list_empty(&priv->vif_list)) 45100863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo return -EBUSY; 45110863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo rc = mwl8k_reload_firmware(hw, di->fw_image_sta); 45120863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo if (rc) 45130863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo return rc; 45140863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo } 4515ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek macids_supported = priv->sta_macids_supported; 4516ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek break; 4517ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek default: 4518ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek return -EINVAL; 4519ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek } 4520ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek 4521ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek macid = ffs(macids_supported & ~priv->macids_used); 4522ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek if (!macid--) 4523ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek return -EBUSY; 4524ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek 4525f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek /* Setup driver private area. */ 45261ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg mwl8k_vif = MWL8K_VIF(vif); 4527a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(mwl8k_vif, 0, sizeof(*mwl8k_vif)); 4528f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek mwl8k_vif->vif = vif; 4529ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek mwl8k_vif->macid = macid; 4530a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->seqno = 0; 4531d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam memcpy(mwl8k_vif->bssid, vif->addr, ETH_ALEN); 4532d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam mwl8k_vif->is_hw_crypto_enabled = false; 4533a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4534aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek /* Set the mac address. */ 4535aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek mwl8k_cmd_set_mac_addr(hw, vif, vif->addr); 4536aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek 4537aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek if (priv->ap_fw) 4538aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek mwl8k_cmd_set_new_stn_add_self(hw, vif); 4539aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek 4540ee0ddf1865954f44ee929d963e2c968eb377f447Lennert Buytenhek priv->macids_used |= 1 << mwl8k_vif->macid; 4541f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek list_add_tail(&mwl8k_vif->list, &priv->vif_list); 4542a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4543a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 4544a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4545a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 45466b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powarstatic void mwl8k_remove_vif(struct mwl8k_priv *priv, struct mwl8k_vif *vif) 45476b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar{ 45486b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* Has ieee80211_restart_hw re-added the removed interfaces? */ 45496b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!priv->macids_used) 45506b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar return; 45516b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 45526b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->macids_used &= ~(1 << vif->macid); 45536b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar list_del(&vif->list); 45546b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar} 45556b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 4556a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_remove_interface(struct ieee80211_hw *hw, 45571ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg struct ieee80211_vif *vif) 4558a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4559a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4560f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 4561a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4562b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (priv->ap_fw) 4563b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_cmd_set_new_stn_del(hw, vif, vif->addr); 4564b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4565197a4e4e1f7ef11458f09b4dd74397baf6758133Yogesh Ashok Powar mwl8k_cmd_del_mac_addr(hw, vif, vif->addr); 456632060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 45676b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_remove_vif(priv, mwl8k_vif); 45686b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar} 45696b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 45706b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powarstatic void mwl8k_hw_restart_work(struct work_struct *work) 45716b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar{ 45726b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar struct mwl8k_priv *priv = 45736b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar container_of(work, struct mwl8k_priv, fw_reload); 45746b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar struct ieee80211_hw *hw = priv->hw; 45756b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar struct mwl8k_device_info *di; 45766b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar int rc; 45776b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 45786b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* If some command is waiting for a response, clear it */ 45796b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->hostcmd_wait != NULL) { 45806b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar complete(priv->hostcmd_wait); 45816b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hostcmd_wait = NULL; 45826b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar } 45836b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 45846b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hw_restart_owner = current; 45856b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar di = priv->device_info; 45866b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_fw_lock(hw); 45876b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 45886b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->ap_fw) 45896b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar rc = mwl8k_reload_firmware(hw, di->fw_image_ap); 45906b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar else 45916b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar rc = mwl8k_reload_firmware(hw, di->fw_image_sta); 45926b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 45936b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (rc) 45946b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar goto fail; 45956b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 45966b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hw_restart_owner = NULL; 45976b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hw_restart_in_progress = false; 45986b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 45996b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* 46006b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * This unlock will wake up the queues and 46016b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * also opens the command path for other 46026b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * commands 46036b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 46046b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_fw_unlock(hw); 46056b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 46066b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar ieee80211_restart_hw(hw); 46076b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 46086b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar wiphy_err(hw->wiphy, "Firmware restarted successfully\n"); 46096b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 46106b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar return; 46116b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powarfail: 46126b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_fw_unlock(hw); 46136b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 46146b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar wiphy_err(hw->wiphy, "Firmware restart failed\n"); 4615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4617ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhekstatic int mwl8k_config(struct ieee80211_hw *hw, u32 changed) 4618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_conf *conf = &hw->conf; 4620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4621ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek int rc; 4622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 46237595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek if (conf->flags & IEEE80211_CONF_IDLE) { 462455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek mwl8k_cmd_radio_disable(hw); 4625ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return 0; 46267595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek } 46277595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek 4628ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek rc = mwl8k_fw_lock(hw); 4629ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 4630ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return rc; 4631a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 463255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_radio_enable(hw); 4633ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 4634ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 4635a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4636610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek rc = mwl8k_cmd_set_rf_channel(hw, conf); 4637ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 4638ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 4639ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek 4640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (conf->power_level > 18) 4641a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek conf->power_level = 18; 4642a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 464308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek if (priv->ap_fw) { 46440321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam 46450321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam if (conf->flags & IEEE80211_CONF_CHANGE_POWER) { 46460321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam rc = mwl8k_cmd_tx_power(hw, conf, conf->power_level); 46470321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam if (rc) 46480321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam goto out; 46490321708748d8f2ecfffa4a9feafb332312e4e57fNishant Sarmukadam } 465041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam 4651da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_RX, 0x3); 4652da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam if (rc) 4653da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam wiphy_warn(hw->wiphy, "failed to set # of RX antennas"); 4654da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_TX, 0x7); 4655da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam if (rc) 4656da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam wiphy_warn(hw->wiphy, "failed to set # of TX antennas"); 4657da62b761769f60e5d476ad882c5ba40fb5d61664Nishant Sarmukadam 465808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek } else { 465941fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam rc = mwl8k_cmd_rf_tx_power(hw, conf->power_level); 466041fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam if (rc) 466141fdf0974d9eb81215cb578211a6d8f8a022a9ebNishant Sarmukadam goto out; 466208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek rc = mwl8k_cmd_mimo_config(hw, 0x7, 0x7); 466308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek } 4664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4665ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhekout: 4666ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek mwl8k_fw_unlock(hw); 4667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4668ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return rc; 4669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4671b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstatic void 4672b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekmwl8k_bss_info_changed_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4673b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct ieee80211_bss_conf *info, u32 changed) 4674a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4675a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4676ba30c4a58ceb10e81dbf6bd80aeb6a4db42db8feYogesh Ashok Powar u32 ap_legacy_rates = 0; 467713935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek u8 ap_mcs_rates[16]; 46783a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek int rc; 46793a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek 4680c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (mwl8k_fw_lock(hw)) 46813a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek return; 4682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4683c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek /* 4684c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek * No need to capture a beacon if we're no longer associated. 4685c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek */ 4686c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if ((changed & BSS_CHANGED_ASSOC) && !vif->bss_conf.assoc) 4687c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek priv->capture_beacon = false; 46883a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek 4689c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek /* 469013935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek * Get the AP's legacy and MCS rates. 4691c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek */ 46927dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek if (vif->bss_conf.assoc) { 4693c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek struct ieee80211_sta *ap; 4694c97470dd253831e880c72ea5d022ed7f3aee45c3Lennert Buytenhek 4695c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek rcu_read_lock(); 4696c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 4697c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek ap = ieee80211_find_sta(vif, vif->bss_conf.bssid); 4698c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (ap == NULL) { 4699c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek rcu_read_unlock(); 4700c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek goto out; 4701c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4702c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek 47038707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek if (hw->conf.channel->band == IEEE80211_BAND_2GHZ) { 47048707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek ap_legacy_rates = ap->supp_rates[IEEE80211_BAND_2GHZ]; 47058707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek } else { 47068707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek ap_legacy_rates = 47078707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek ap->supp_rates[IEEE80211_BAND_5GHZ] << 5; 47088707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek } 470913935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(ap_mcs_rates, ap->ht_cap.mcs.rx_mask, 16); 4710c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek 4711c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek rcu_read_unlock(); 4712c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4713c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 4714c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if ((changed & BSS_CHANGED_ASSOC) && vif->bss_conf.assoc) { 471513935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek rc = mwl8k_cmd_set_rate(hw, vif, ap_legacy_rates, ap_mcs_rates); 47163a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 47173a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 4718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4719b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek rc = mwl8k_cmd_use_fixed_rate_sta(hw); 47203a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 47213a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 4722c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4723a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4724c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (changed & BSS_CHANGED_ERP_PREAMBLE) { 47257dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek rc = mwl8k_set_radio_preamble(hw, 47267dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek vif->bss_conf.use_short_preamble); 47273a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 47283a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 4729c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4731c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (changed & BSS_CHANGED_ERP_SLOT) { 47327dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek rc = mwl8k_cmd_set_slot(hw, vif->bss_conf.use_short_slot); 47333a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 47343a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 4735c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4736a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4737c97470dd253831e880c72ea5d022ed7f3aee45c3Lennert Buytenhek if (vif->bss_conf.assoc && 4738c97470dd253831e880c72ea5d022ed7f3aee45c3Lennert Buytenhek (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_ERP_CTS_PROT | 4739c97470dd253831e880c72ea5d022ed7f3aee45c3Lennert Buytenhek BSS_CHANGED_HT))) { 4740c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek rc = mwl8k_cmd_set_aid(hw, vif, ap_legacy_rates); 47413a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 47423a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 4743c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 4744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4745c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (vif->bss_conf.assoc && 4746c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_BEACON_INT))) { 4747a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 4748a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Finalize the join. Tell rx handler to process 4749a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * next beacon from our BSSID. 4750a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 47510a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhek memcpy(priv->capture_bssid, vif->bss_conf.bssid, ETH_ALEN); 4752a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = true; 4753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4754a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 47553a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhekout: 47563a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek mwl8k_fw_unlock(hw); 4757a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4759b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstatic void 4760b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekmwl8k_bss_info_changed_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4761b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct ieee80211_bss_conf *info, u32 changed) 4762b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 4763b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rc; 4764b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4765b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (mwl8k_fw_lock(hw)) 4766b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek return; 4767b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4768b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (changed & BSS_CHANGED_ERP_PREAMBLE) { 4769b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek rc = mwl8k_set_radio_preamble(hw, 4770b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek vif->bss_conf.use_short_preamble); 4771b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (rc) 4772b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek goto out; 4773b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek } 4774b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4775b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (changed & BSS_CHANGED_BASIC_RATES) { 4776b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int idx; 4777b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek int rate; 4778b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4779b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek /* 4780b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * Use lowest supported basic rate for multicasts 4781b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * and management frames (such as probe responses -- 4782b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek * beacons will always go out at 1 Mb/s). 4783b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek */ 4784b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek idx = ffs(vif->bss_conf.basic_rates); 47858707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek if (idx) 47868707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek idx--; 47878707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek 47888707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek if (hw->conf.channel->band == IEEE80211_BAND_2GHZ) 47898707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rate = mwl8k_rates_24[idx].hw_value; 47908707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek else 47918707d0262585423cdc053bf8db0912e53915e5e4Lennert Buytenhek rate = mwl8k_rates_50[idx].hw_value; 4792b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4793b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_cmd_use_fixed_rate_ap(hw, rate, rate); 4794b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek } 4795b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4796b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (changed & (BSS_CHANGED_BEACON_INT | BSS_CHANGED_BEACON)) { 4797b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct sk_buff *skb; 4798b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4799b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek skb = ieee80211_beacon_get(hw, vif); 4800b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (skb != NULL) { 4801aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek mwl8k_cmd_set_beacon(hw, vif, skb->data, skb->len); 4802b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek kfree_skb(skb); 4803b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek } 4804b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek } 4805b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4806b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (changed & BSS_CHANGED_BEACON_ENABLED) 4807aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek mwl8k_cmd_bss_start(hw, vif, info->enable_beacon); 4808b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4809b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekout: 4810b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_fw_unlock(hw); 4811b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 4812b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4813b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekstatic void 4814b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhekmwl8k_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4815b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct ieee80211_bss_conf *info, u32 changed) 4816b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek{ 4817b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4818b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4819b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek if (!priv->ap_fw) 4820b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_bss_info_changed_sta(hw, vif, info, changed); 4821b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek else 4822b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek mwl8k_bss_info_changed_ap(hw, vif, info, changed); 4823b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek} 4824b64fe619e371fc17d8d686d6d44aef1b41317880Lennert Buytenhek 4825e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhekstatic u64 mwl8k_prepare_multicast(struct ieee80211_hw *hw, 482622bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko struct netdev_hw_addr_list *mc_list) 4827e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek{ 4828e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek struct mwl8k_cmd_pkt *cmd; 4829e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 4830447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek /* 4831447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * Synthesize and return a command packet that programs the 4832447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * hardware multicast address filter. At this point we don't 4833447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * know whether FIF_ALLMULTI is being requested, but if it is, 4834447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * we'll end up throwing this packet away and creating a new 4835447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * one in mwl8k_configure_filter(). 4836447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek */ 483722bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko cmd = __mwl8k_cmd_mac_multicast_adr(hw, 0, mc_list); 4838e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 4839e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return (unsigned long)cmd; 4840e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek} 4841e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 4842a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhekstatic int 4843a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhekmwl8k_configure_filter_sniffer(struct ieee80211_hw *hw, 4844a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek unsigned int changed_flags, 4845a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek unsigned int *total_flags) 4846a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek{ 4847a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4848a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4849a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek /* 4850a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Hardware sniffer mode is mutually exclusive with STA 4851a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * operation, so refuse to enable sniffer mode if a STA 4852a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * interface is active. 4853a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 4854f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek if (!list_empty(&priv->vif_list)) { 4855a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (net_ratelimit()) 4856c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_info(hw->wiphy, 4857c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "not enabling sniffer mode because STA interface is active\n"); 4858a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 0; 4859a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 4860a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4861a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (!priv->sniffer_enabled) { 486255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (mwl8k_cmd_enable_sniffer(hw, 1)) 4863a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 0; 4864a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek priv->sniffer_enabled = true; 4865a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 4866a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4867a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek *total_flags &= FIF_PROMISC_IN_BSS | FIF_ALLMULTI | 4868a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL | 4869a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek FIF_OTHER_BSS; 4870a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4871a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 1; 4872a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek} 4873a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4874f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhekstatic struct mwl8k_vif *mwl8k_first_vif(struct mwl8k_priv *priv) 4875f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek{ 4876f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek if (!list_empty(&priv->vif_list)) 4877f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek return list_entry(priv->vif_list.next, struct mwl8k_vif, list); 4878f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek 4879f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek return NULL; 4880f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek} 4881f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek 4882e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhekstatic void mwl8k_configure_filter(struct ieee80211_hw *hw, 4883e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek unsigned int changed_flags, 4884e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek unsigned int *total_flags, 4885e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek u64 multicast) 4886e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek{ 4887e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 4888a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek struct mwl8k_cmd_pkt *cmd = (void *)(unsigned long)multicast; 4889a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4890a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek /* 4891c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek * AP firmware doesn't allow fine-grained control over 4892c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek * the receive filter. 4893c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek */ 4894c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek if (priv->ap_fw) { 4895c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek *total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC; 4896c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek kfree(cmd); 4897c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek return; 4898c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek } 4899c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek 4900c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek /* 4901a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Enable hardware sniffer mode if FIF_CONTROL or 4902a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * FIF_OTHER_BSS is requested. 4903a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 4904a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (*total_flags & (FIF_CONTROL | FIF_OTHER_BSS) && 4905a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek mwl8k_configure_filter_sniffer(hw, changed_flags, total_flags)) { 4906a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek kfree(cmd); 4907a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return; 4908a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 4909a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4910e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek /* Clear unsupported feature flags */ 4911447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek *total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC; 4912a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 491390852f7aed0f90d443efd7e0f9b82d8ac8186848Lennert Buytenhek if (mwl8k_fw_lock(hw)) { 491490852f7aed0f90d443efd7e0f9b82d8ac8186848Lennert Buytenhek kfree(cmd); 4915e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek return; 491690852f7aed0f90d443efd7e0f9b82d8ac8186848Lennert Buytenhek } 4917a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4918a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (priv->sniffer_enabled) { 491955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek mwl8k_cmd_enable_sniffer(hw, 0); 4920a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek priv->sniffer_enabled = false; 4921a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 4922a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 4923e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 492477165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek if (*total_flags & FIF_BCN_PRBRESP_PROMISC) { 492577165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek /* 492677165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * Disable the BSS filter. 492777165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek */ 4928e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_cmd_set_pre_scan(hw); 492977165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek } else { 4930f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek struct mwl8k_vif *mwl8k_vif; 49310a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhek const u8 *bssid; 4932a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek 493377165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek /* 493477165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * Enable the BSS filter. 493577165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * 493677165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * If there is an active STA interface, use that 493777165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * interface's BSSID, otherwise use a dummy one 493877165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * (where the OUI part needs to be nonzero for 493977165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * the BSSID to be accepted by POST_SCAN). 494077165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek */ 4941f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek mwl8k_vif = mwl8k_first_vif(priv); 4942f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek if (mwl8k_vif != NULL) 4943f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek bssid = mwl8k_vif->vif->bss_conf.bssid; 4944f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek else 4945f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek bssid = "\x01\x00\x00\x00\x00\x00"; 4946a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek 4947e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_cmd_set_post_scan(hw, bssid); 4948a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4949a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 4950a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4951447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek /* 4952447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * If FIF_ALLMULTI is being requested, throw away the command 4953447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * packet that ->prepare_multicast() built and replace it with 4954447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * a command packet that enables reception of all multicast 4955447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * packets. 4956447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek */ 4957447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (*total_flags & FIF_ALLMULTI) { 4958447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek kfree(cmd); 495922bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko cmd = __mwl8k_cmd_mac_multicast_adr(hw, 1, NULL); 4960447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek } 4961447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek 4962447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (cmd != NULL) { 4963447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek mwl8k_post_cmd(hw, cmd); 4964447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek kfree(cmd); 4965e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek } 4966a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4967e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_fw_unlock(hw); 4968a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4969a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4970a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 4971a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 4972c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek return mwl8k_cmd_set_rts_threshold(hw, value); 4973a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 4974a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 49754a6967b88af02eebeedfbb91bc09160750225bb5Johannes Bergstatic int mwl8k_sta_remove(struct ieee80211_hw *hw, 49764a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg struct ieee80211_vif *vif, 49774a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg struct ieee80211_sta *sta) 49783f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek{ 49793f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 49803f5610ff560aeaccf051a6f93f25535c219599a0Lennert Buytenhek 49814a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg if (priv->ap_fw) 49824a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg return mwl8k_cmd_set_new_stn_del(hw, vif, sta->addr); 49834a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg else 49844a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg return mwl8k_cmd_update_stadb_del(hw, vif, sta->addr); 4985bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek} 4986bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 49874a6967b88af02eebeedfbb91bc09160750225bb5Johannes Bergstatic int mwl8k_sta_add(struct ieee80211_hw *hw, 49884a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg struct ieee80211_vif *vif, 49894a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg struct ieee80211_sta *sta) 4990bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek{ 4991bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 49924a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg int ret; 4993fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam int i; 4994fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 4995fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam struct ieee80211_key_conf *key; 4996bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 49974a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg if (!priv->ap_fw) { 49984a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg ret = mwl8k_cmd_update_stadb_add(hw, vif, sta); 49994a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg if (ret >= 0) { 50004a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg MWL8K_STA(sta)->peer_id = ret; 5001170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam if (sta->ht_cap.ht_supported) 5002170335432ad36584a6d24fc1fd903024d221ef55Nishant Sarmukadam MWL8K_STA(sta)->is_ampdu_allowed = true; 5003fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam ret = 0; 50044a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg } 5005bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 5006d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } else { 5007d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam ret = mwl8k_cmd_set_new_stn_add(hw, vif, sta); 5008bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek } 50094a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg 5010d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam for (i = 0; i < NUM_WEP_KEYS; i++) { 5011d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam key = IEEE80211_KEY_CONF(mwl8k_vif->wep_key_conf[i].key); 5012d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam if (mwl8k_vif->wep_key_conf[i].enabled) 5013d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam mwl8k_set_key(hw, SET_KEY, vif, sta, key); 5014d9a07d4980514e701555c4f03b865a54c4c48b4aNishant Sarmukadam } 5015fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam return ret; 5016bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek} 5017bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 50188a3a3c85e44d58f5af0adac74a0b866ba89a1978Eliad Pellerstatic int mwl8k_conf_tx(struct ieee80211_hw *hw, 50198a3a3c85e44d58f5af0adac74a0b866ba89a1978Eliad Peller struct ieee80211_vif *vif, u16 queue, 5020a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const struct ieee80211_tx_queue_params *params) 5021a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 50223e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 5023a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 5024a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 50253e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek rc = mwl8k_fw_lock(hw); 50263e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!rc) { 5027e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo BUG_ON(queue > MWL8K_TX_WMM_QUEUES - 1); 50280863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo memcpy(&priv->wmm_params[queue], params, sizeof(*params)); 50290863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo 50303e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!priv->wmm_enabled) 503155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_wmm_mode(hw, 1); 5032a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 503385c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam if (!rc) { 5034e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo int q = MWL8K_TX_WMM_QUEUES - 1 - queue; 503585c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam rc = mwl8k_cmd_set_edca_params(hw, q, 503655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->cw_min, 503755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->cw_max, 503855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->aifs, 503955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->txop); 504085c9205c79c794a6eea0c7217db93b4c637f136eNishant Sarmukadam } 50413e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek 50423e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek mwl8k_fw_unlock(hw); 5043a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 50443e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek 5045a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 5046a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5047a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5048a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_get_stats(struct ieee80211_hw *hw, 5049a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_low_level_stats *stats) 5050a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 505155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_get_stat(hw, stats); 5052a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5053a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 50540d462bbb0e20863b6c796abd779bfdb534d60278John W. Linvillestatic int mwl8k_get_survey(struct ieee80211_hw *hw, int idx, 50550d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville struct survey_info *survey) 50560d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville{ 50570d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville struct mwl8k_priv *priv = hw->priv; 50580d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville struct ieee80211_conf *conf = &hw->conf; 50590d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 50600d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville if (idx != 0) 50610d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville return -ENOENT; 50620d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 50630d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville survey->channel = conf->channel; 50640d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville survey->filled = SURVEY_INFO_NOISE_DBM; 50650d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville survey->noise = priv->noise; 50660d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 50670d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville return 0; 50680d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville} 50690d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville 507065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam#define MAX_AMPDU_ATTEMPTS 5 507165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 5072a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhekstatic int 5073a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhekmwl8k_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5074a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek enum ieee80211_ampdu_mlme_action action, 50750b01f030d38e00650e2db42da083d8647aad40a5Johannes Berg struct ieee80211_sta *sta, u16 tid, u16 *ssn, 50760b01f030d38e00650e2db42da083d8647aad40a5Johannes Berg u8 buf_size) 5077a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek{ 507865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 507965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam int i, rc = 0; 508065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam struct mwl8k_priv *priv = hw->priv; 508165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam struct mwl8k_ampdu_stream *stream; 508265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam u8 *addr = sta->addr; 508365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 508465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (!(hw->flags & IEEE80211_HW_AMPDU_AGGREGATION)) 508565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam return -ENOTSUPP; 508665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 508765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 508865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream = mwl8k_lookup_stream(hw, addr, tid); 508965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 5090a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek switch (action) { 5091a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek case IEEE80211_AMPDU_RX_START: 5092a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek case IEEE80211_AMPDU_RX_STOP: 509365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 509465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam case IEEE80211_AMPDU_TX_START: 509565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* By the time we get here the hw queues may contain outgoing 509665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * packets for this RA/TID that are not part of this BA 509765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * session. The hw will assign sequence numbers to these 509865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * packets as they go out. So if we query the hw for its next 509965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * sequence number and use that for the SSN here, it may end up 510065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * being wrong, which will lead to sequence number mismatch at 510165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * the recipient. To avoid this, we reset the sequence number 510265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * to O for the first MPDU in this BA stream. 510365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 510465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam *ssn = 0; 510565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (stream == NULL) { 510665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* This means that somebody outside this driver called 510765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * ieee80211_start_tx_ba_session. This is unexpected 510865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * because we do our own rate control. Just warn and 510965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * move on. 511065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 511165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_warn(hw->wiphy, "Unexpected call to %s. " 511265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam "Proceeding anyway.\n", __func__); 511365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream = mwl8k_add_stream(hw, sta, tid); 511465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 511565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (stream == NULL) { 511665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_debug(hw->wiphy, "no free AMPDU streams\n"); 511765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam rc = -EBUSY; 511865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 511965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 512065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream->state = AMPDU_STREAM_IN_PROGRESS; 512165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 512265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* Release the lock before we do the time consuming stuff */ 512365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 512465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam for (i = 0; i < MAX_AMPDU_ATTEMPTS; i++) { 512565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam rc = mwl8k_check_ba(hw, stream); 512665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 51276b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* If HW restart is in progress mwl8k_post_cmd will 51286b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * return -EBUSY. Avoid retrying mwl8k_check_ba in 51296b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * such cases 51306b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 51316b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!rc || rc == -EBUSY) 513265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 513365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam /* 513465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * HW queues take time to be flushed, give them 513565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam * sufficient time 513665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam */ 513765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 513865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam msleep(1000); 513965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 514065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 514165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (rc) { 514265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_err(hw->wiphy, "Stream for tid %d busy after %d" 514365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam " attempts\n", tid, MAX_AMPDU_ATTEMPTS); 514465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_remove_stream(hw, stream); 514565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam rc = -EBUSY; 514665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 514765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 514865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam ieee80211_start_tx_ba_cb_irqsafe(vif, addr, tid); 514965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 515065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam case IEEE80211_AMPDU_TX_STOP: 5151eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar if (stream) { 5152eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar if (stream->state == AMPDU_STREAM_ACTIVE) { 5153eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar spin_unlock(&priv->stream_lock); 5154eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar mwl8k_destroy_ba(hw, stream); 5155eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar spin_lock(&priv->stream_lock); 5156eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar } 5157eca107ff8a25e0528d6e6225ac6ce59bd498136fYogesh Ashok Powar mwl8k_remove_stream(hw, stream); 515865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 515965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam ieee80211_stop_tx_ba_cb_irqsafe(vif, addr, tid); 516065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 516165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam case IEEE80211_AMPDU_TX_OPERATIONAL: 516265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam BUG_ON(stream == NULL); 516365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam BUG_ON(stream->state != AMPDU_STREAM_IN_PROGRESS); 516465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 516565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam rc = mwl8k_create_ba(hw, stream, buf_size); 516665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 516765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam if (!rc) 516865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam stream->state = AMPDU_STREAM_ACTIVE; 516965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam else { 517065f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 517165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_destroy_ba(hw, stream); 517265f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_lock(&priv->stream_lock); 517365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam wiphy_debug(hw->wiphy, 517465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam "Failed adding stream for sta %pM tid %d\n", 517565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam addr, tid); 517665f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam mwl8k_remove_stream(hw, stream); 517765f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam } 517865f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam break; 517965f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 5180a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek default: 518165f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam rc = -ENOTSUPP; 5182a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek } 518365f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam 518465f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam spin_unlock(&priv->stream_lock); 518565f3ddcd08fe24490359274a8c9bf526e81357a5Nishant Sarmukadam return rc; 5186a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek} 5187a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek 5188a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const struct ieee80211_ops mwl8k_ops = { 5189a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .tx = mwl8k_tx, 5190a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .start = mwl8k_start, 5191a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .stop = mwl8k_stop, 5192a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .add_interface = mwl8k_add_interface, 5193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .remove_interface = mwl8k_remove_interface, 5194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .config = mwl8k_config, 5195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .bss_info_changed = mwl8k_bss_info_changed, 51963ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg .prepare_multicast = mwl8k_prepare_multicast, 5197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .configure_filter = mwl8k_configure_filter, 5198fcdc403c31ed5bb5f3baf42f4e2b5e7198fef0c0Nishant Sarmukadam .set_key = mwl8k_set_key, 5199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .set_rts_threshold = mwl8k_set_rts_threshold, 52004a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg .sta_add = mwl8k_sta_add, 52014a6967b88af02eebeedfbb91bc09160750225bb5Johannes Berg .sta_remove = mwl8k_sta_remove, 5202a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .conf_tx = mwl8k_conf_tx, 5203a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .get_stats = mwl8k_get_stats, 52040d462bbb0e20863b6c796abd779bfdb534d60278John W. Linville .get_survey = mwl8k_get_survey, 5205a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek .ampdu_action = mwl8k_ampdu_action, 5206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 5207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5208a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_finalize_join_worker(struct work_struct *work) 5209a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 5210a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = 5211a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek container_of(work, struct mwl8k_priv, finalize_join_worker); 5212a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb = priv->beacon_skb; 521356007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg struct ieee80211_mgmt *mgmt = (void *)skb->data; 521456007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg int len = skb->len - offsetof(struct ieee80211_mgmt, u.beacon.variable); 521556007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg const u8 *tim = cfg80211_find_ie(WLAN_EID_TIM, 521656007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg mgmt->u.beacon.variable, len); 521756007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg int dtim_period = 1; 521856007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg 521956007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg if (tim && tim[1] >= 2) 522056007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg dtim_period = tim[3]; 5221a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 522256007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg mwl8k_cmd_finalize_join(priv->hw, skb->data, skb->len, dtim_period); 5223a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5224f5bb87cfba5ae9dd3724b846ac2fa7e033425c1cLennert Buytenhek dev_kfree_skb(skb); 5225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->beacon_skb = NULL; 5226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5228bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linvilleenum { 52299e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek MWL8363 = 0, 52309e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek MWL8687, 5231bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville MWL8366, 52326f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek}; 52336f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 52348a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo#define MWL8K_8366_AP_FW_API 2 5235952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo#define _MWL8K_8366_AP_FW(api) "mwl8k/fmimage_8366_ap-" #api ".fw" 5236952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo#define MWL8K_8366_AP_FW(api) _MWL8K_8366_AP_FW(api) 5237952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo 5238bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linvillestatic struct mwl8k_device_info mwl8k_info_tbl[] __devinitdata = { 52399e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek [MWL8363] = { 52409e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek .part_name = "88w8363", 52419e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek .helper_image = "mwl8k/helper_8363.fw", 52420863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo .fw_image_sta = "mwl8k/fmimage_8363.fw", 52439e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek }, 524449eb691c8f48a29adfdfbdeb82433f1f8cb6524dLennert Buytenhek [MWL8687] = { 5245bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .part_name = "88w8687", 5246bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .helper_image = "mwl8k/helper_8687.fw", 52470863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo .fw_image_sta = "mwl8k/fmimage_8687.fw", 5248bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville }, 524949eb691c8f48a29adfdfbdeb82433f1f8cb6524dLennert Buytenhek [MWL8366] = { 5250bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .part_name = "88w8366", 5251bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .helper_image = "mwl8k/helper_8366.fw", 52520863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo .fw_image_sta = "mwl8k/fmimage_8366.fw", 5253952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo .fw_image_ap = MWL8K_8366_AP_FW(MWL8K_8366_AP_FW_API), 5254952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian Cavagnolo .fw_api_ap = MWL8K_8366_AP_FW_API, 525589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .ap_rxd_ops = &rxd_8366_ap_ops, 5256bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville }, 525745a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek}; 525845a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 5259c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/helper_8363.fw"); 5260c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/fmimage_8363.fw"); 5261c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/helper_8687.fw"); 5262c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/fmimage_8687.fw"); 5263c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/helper_8366.fw"); 5264c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert BuytenhekMODULE_FIRMWARE("mwl8k/fmimage_8366.fw"); 5265952a0e963fb02e50f4afbf502f7d468a8fe2b0faBrian CavagnoloMODULE_FIRMWARE(MWL8K_8366_AP_FW(MWL8K_8366_AP_FW_API)); 5266c92d4edecf489dbcbb2e5dd3c513790e57e2ea0eLennert Buytenhek 526745a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhekstatic DEFINE_PCI_DEVICE_TABLE(mwl8k_pci_id_table) = { 5268e5868ba10c3c5d8a56c06bbafe098103356ac03fBenjamin Larsson { PCI_VDEVICE(MARVELL, 0x2a0a), .driver_data = MWL8363, }, 52699e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a0c), .driver_data = MWL8363, }, 52709e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a24), .driver_data = MWL8363, }, 5271bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { PCI_VDEVICE(MARVELL, 0x2a2b), .driver_data = MWL8687, }, 5272bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { PCI_VDEVICE(MARVELL, 0x2a30), .driver_data = MWL8687, }, 5273bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { PCI_VDEVICE(MARVELL, 0x2a40), .driver_data = MWL8366, }, 5274ca66527c60385dcec878ebd90749d1fdc43bc870Lennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a43), .driver_data = MWL8366, }, 5275bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { }, 527645a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek}; 527745a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert BuytenhekMODULE_DEVICE_TABLE(pci, mwl8k_pci_id_table); 527845a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 527999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic int mwl8k_request_alt_fw(struct mwl8k_priv *priv) 528099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo{ 528199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo int rc; 528299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting preferred fw %s.\n" 528399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo "Trying alternative firmware %s\n", pci_name(priv->pdev), 528499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref, priv->fw_alt); 528599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, priv->fw_alt, &priv->fw_ucode, true); 528699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) { 528799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting alt fw %s\n", 528899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo pci_name(priv->pdev), priv->fw_alt); 528999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return rc; 529099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 529199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return 0; 529299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo} 529399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 529499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic int mwl8k_firmware_load_success(struct mwl8k_priv *priv); 529599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic void mwl8k_fw_state_machine(const struct firmware *fw, void *context) 529699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo{ 529799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo struct mwl8k_priv *priv = context; 529899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo struct mwl8k_device_info *di = priv->device_info; 529999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo int rc; 530099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 530199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo switch (priv->fw_state) { 530299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo case FW_STATE_INIT: 530399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (!fw) { 530499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting helper fw %s\n", 530599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo pci_name(priv->pdev), di->helper_image); 530699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 530799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 530899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_helper = fw; 530999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_fw(priv, priv->fw_pref, &priv->fw_ucode, 531099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo true); 531199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc && priv->fw_alt) { 531299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_alt_fw(priv); 531399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 531499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 531599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_LOADING_ALT; 531699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else if (rc) 531799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 531899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 531999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_LOADING_PREF; 532099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo break; 532199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 532299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo case FW_STATE_LOADING_PREF: 532399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (!fw) { 532499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (priv->fw_alt) { 532599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_alt_fw(priv); 532699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 532799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 532899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_LOADING_ALT; 532999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else 533099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 533199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else { 533299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_ucode = fw; 533399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_firmware_load_success(priv); 533499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 533599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 533699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 533799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo complete(&priv->firmware_loading_complete); 533899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 533999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo break; 534099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 534199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo case FW_STATE_LOADING_ALT: 534299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (!fw) { 534399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Error requesting alt fw %s\n", 534499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo pci_name(priv->pdev), di->helper_image); 534599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 534699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 534799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_ucode = fw; 534899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_firmware_load_success(priv); 534999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) 535099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto fail; 535199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo else 535299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo complete(&priv->firmware_loading_complete); 535399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo break; 535499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 535599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo default: 535699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo printk(KERN_ERR "%s: Unexpected firmware loading state: %d\n", 535799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo MWL8K_NAME, priv->fw_state); 535899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo BUG_ON(1); 535999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 536099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 536199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return; 536299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 536399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolofail: 536499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_state = FW_STATE_ERROR; 536599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo complete(&priv->firmware_loading_complete); 536699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo device_release_driver(&priv->pdev->dev); 536799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo mwl8k_release_firmware(priv); 536899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo} 536999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 53706b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar#define MAX_RESTART_ATTEMPTS 1 537199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolostatic int mwl8k_init_firmware(struct ieee80211_hw *hw, char *fw_image, 537299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo bool nowait) 5373a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 53743cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct mwl8k_priv *priv = hw->priv; 5375a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 53766b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar int count = MAX_RESTART_ATTEMPTS; 5377be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 53786b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powarretry: 5379be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Reset firmware and hardware */ 5380be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek mwl8k_hw_reset(priv); 5381be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5382be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Ask userland hotplug daemon for the device firmware */ 538399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_request_firmware(priv, fw_image, nowait); 5384be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek if (rc) { 53855db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Firmware files not found\n"); 53863cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 5387be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek } 5388be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 538999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (nowait) 539099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return rc; 539199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 5392be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Load firmware into hardware */ 5393be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek rc = mwl8k_load_firmware(hw); 53943cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 53955db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Cannot start firmware\n"); 5396be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5397be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Reclaim memory once firmware is successfully loaded */ 5398be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek mwl8k_release_firmware(priv); 5399be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 54006b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (rc && count) { 54016b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* FW did not start successfully; 54026b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * lets try one more time 54036b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 54046b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar count--; 54056b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar wiphy_err(hw->wiphy, "Trying to reload the firmware again\n"); 54066b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar msleep(20); 54076b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar goto retry; 54086b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar } 54096b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 54103cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 54113cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo} 54123cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 541373b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolostatic int mwl8k_init_txqs(struct ieee80211_hw *hw) 541473b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo{ 541573b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo struct mwl8k_priv *priv = hw->priv; 541673b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo int rc = 0; 541773b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo int i; 541873b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo 5419e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) { 542073b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo rc = mwl8k_txq_init(hw, i); 542173b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (rc) 542273b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo break; 542373b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (priv->ap_fw) 542473b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo iowrite32(priv->txq[i].txd_dma, 542573b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo priv->sram + priv->txq_offset[i]); 542673b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo } 542773b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo return rc; 542873b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo} 542973b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo 54303cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo/* initialize hw after successfully loading a firmware image */ 54313cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolostatic int mwl8k_probe_hw(struct ieee80211_hw *hw) 54323cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo{ 54333cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct mwl8k_priv *priv = hw->priv; 54343cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int rc = 0; 54353cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int i; 5436be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 543791942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek if (priv->ap_fw) { 543889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek priv->rxd_ops = priv->device_info->ap_rxd_ops; 543991942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek if (priv->rxd_ops == NULL) { 5440c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_err(hw->wiphy, 5441c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "Driver does not have AP firmware image support for this hardware\n"); 544291942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek goto err_stop_firmware; 544391942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek } 544491942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek } else { 544589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek priv->rxd_ops = &rxd_sta_ops; 544691942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek } 5447be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5448be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek priv->sniffer_enabled = false; 5449be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek priv->wmm_enabled = false; 5450be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek priv->pending_tx_pkts = 0; 5451be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_rxq_init(hw, 0); 5453a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 54543cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_stop_firmware; 5455a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq_refill(hw, 0, INT_MAX); 5456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 545773b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo /* For the sta firmware, we need to know the dma addresses of tx queues 545873b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo * before sending MWL8K_CMD_GET_HW_SPEC. So we must initialize them 545973b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo * prior to issuing this command. But for the AP case, we learn the 546073b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo * total number of queues from the result CMD_GET_HW_SPEC, so for this 546173b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo * case we must initialize the tx queues after. 546273b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo */ 54638a7a578c2e3ac463a17fe30b11ada0509658a952Brian Cavagnolo priv->num_ampdu_queues = 0; 546473b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (!priv->ap_fw) { 546573b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo rc = mwl8k_init_txqs(hw); 5466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 5467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_queues; 5468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 5471c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 54723aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam iowrite32(MWL8K_A2H_INT_TX_DONE|MWL8K_A2H_INT_RX_READY| 54733aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam MWL8K_A2H_INT_BA_WATCHDOG, 54741e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek priv->regs + MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL); 547512488e01fb2b06bb3f6ee137efc88e29d827817eNishant Sarmukadam iowrite32(MWL8K_A2H_INT_OPC_DONE, 547612488e01fb2b06bb3f6ee137efc88e29d827817eNishant Sarmukadam priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 5477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5478a0607fd3a25ba1848a63a0d925e36d914735ab47Joe Perches rc = request_irq(priv->pdev->irq, mwl8k_interrupt, 5479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IRQF_SHARED, MWL8K_NAME, hw); 5480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 54815db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "failed to register IRQ handler\n"); 5482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_queues; 5483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 54856b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* 54866b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * When hw restart is requested, 54876b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * mac80211 will take care of clearing 54886b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * the ampdu streams, so do not clear 54896b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * the ampdu state here 54906b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 54916b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (!priv->hw_restart_in_progress) 54926b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar memset(priv->ampdu, 0, sizeof(priv->ampdu)); 5493ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 5494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 5495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Temporarily enable interrupts. Initial firmware host 5496c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek * commands use interrupts and avoid polling. Disable 5497a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * interrupts when done. 5498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 5499c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 5500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Get config data, mac addrs etc */ 550242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (priv->ap_fw) { 550342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_cmd_get_hw_spec_ap(hw); 550442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (!rc) 550573b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo rc = mwl8k_init_txqs(hw); 550673b46320209e9fe0d65aba1b8c21489278047574Brian Cavagnolo if (!rc) 550742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_cmd_set_hw_spec(hw); 550842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek } else { 550942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_cmd_get_hw_spec_sta(hw); 551042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek } 5511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 55125db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Cannot initialise firmware\n"); 5513be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_free_irq; 5514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5515a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5516a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Turn radio off */ 551755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_radio_disable(hw); 5518a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 55195db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Cannot disable\n"); 5520be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_free_irq; 5521a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 5522a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 552332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek /* Clear MAC address */ 5524aa21d0f69a5ca28d33f584b8952cca154115fd26Lennert Buytenhek rc = mwl8k_cmd_set_mac_addr(hw, NULL, "\x00\x00\x00\x00\x00\x00"); 552532060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek if (rc) { 55265db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(hw->wiphy, "Cannot clear MAC address\n"); 5527be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_free_irq; 552832060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek } 552932060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 5530a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable interrupts */ 5531a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 5532a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 5533a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5534c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_info(hw->wiphy, "%s v%d, %pm, %s firmware %u.%u.%u.%u\n", 5535c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches priv->device_info->part_name, 5536c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches priv->hw_rev, hw->wiphy->perm_addr, 5537c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches priv->ap_fw ? "AP" : "STA", 5538c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches (priv->fw_rev >> 24) & 0xff, (priv->fw_rev >> 16) & 0xff, 5539c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches (priv->fw_rev >> 8) & 0xff, priv->fw_rev & 0xff); 5540a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5541a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 5542a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5543a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_irq: 5544a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 5545a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 5546a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5547a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_queues: 5548e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 5549a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_deinit(hw, i); 5550a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_rxq_deinit(hw, 0); 5551a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 55523cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnoloerr_stop_firmware: 55533cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_hw_reset(priv); 55543cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 55553cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 55563cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo} 55573cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 55583cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo/* 55593cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * invoke mwl8k_reload_firmware to change the firmware image after the device 55603cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * has already been registered 55613cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo */ 55623cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolostatic int mwl8k_reload_firmware(struct ieee80211_hw *hw, char *fw_image) 55633cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo{ 55643cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int i, rc = 0; 55653cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct mwl8k_priv *priv = hw->priv; 55666b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar struct mwl8k_vif *vif, *tmp_vif; 55673cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 55683cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_stop(hw); 55693cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_rxq_deinit(hw, 0); 55703cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 55716b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* 55726b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * All the existing interfaces are re-added by the ieee80211_reconfig; 55736b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * which means driver should remove existing interfaces before calling 55746b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar * ieee80211_restart_hw 55756b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar */ 55766b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->hw_restart_in_progress) 55776b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar list_for_each_entry_safe(vif, tmp_vif, &priv->vif_list, list) 55786b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar mwl8k_remove_vif(priv, vif); 55796b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 5580e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 55813cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_txq_deinit(hw, i); 55823cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 558399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_init_firmware(hw, fw_image, false); 55843cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 55853cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 55863cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 55873cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = mwl8k_probe_hw(hw); 55883cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 55893cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 55903cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 55916b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar if (priv->hw_restart_in_progress) 55926b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar return rc; 55936b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 55943cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = mwl8k_start(hw); 55953cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 55963cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 55973cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 55983cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = mwl8k_config(hw, ~0); 55993cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 56003cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 56013cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5602e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < MWL8K_TX_WMM_QUEUES; i++) { 56038a3a3c85e44d58f5af0adac74a0b866ba89a1978Eliad Peller rc = mwl8k_conf_tx(hw, NULL, i, &priv->wmm_params[i]); 56043cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 56053cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto fail; 56063cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 56073cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56083cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 56093cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56103cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolofail: 56113cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_WARNING "mwl8k: Failed to reload firmware image.\n"); 56123cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 56133cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo} 56143cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56153cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolostatic int mwl8k_firmware_load_success(struct mwl8k_priv *priv) 56163cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo{ 56173cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct ieee80211_hw *hw = priv->hw; 56183cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int i, rc; 56193cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 562099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_load_firmware(hw); 562199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo mwl8k_release_firmware(priv); 562299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (rc) { 562399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo wiphy_err(hw->wiphy, "Cannot start firmware\n"); 562499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return rc; 562599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 562699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 56273cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* 56283cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * Extra headroom is the size of the required DMA header 56293cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * minus the size of the smallest 802.11 frame (CTS frame). 56303cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo */ 56313cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->extra_tx_headroom = 56323cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo sizeof(struct mwl8k_dma_data) - sizeof(struct ieee80211_cts); 56333cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5634ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar hw->extra_tx_headroom -= priv->ap_fw ? REDUCED_TX_HEADROOM : 0; 5635ff776cecec92fe7cac4a9ce1919576ad6e737e08Yogesh Ashok Powar 56363cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->channel_change_time = 10; 56373cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5638e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo hw->queues = MWL8K_TX_WMM_QUEUES; 56393cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56403cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* Set rssi values to dBm */ 56410bf22c3751d19f9be20205c0e7112723618a4858Nishant Sarmukadam hw->flags |= IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_HAS_RATE_CONTROL; 56422a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar 56432a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar /* 56442a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar * Ask mac80211 to not to trigger PS mode 56452a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar * based on PM bit of incoming frames. 56462a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar */ 56472a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar if (priv->ap_fw) 56482a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar hw->flags |= IEEE80211_HW_AP_LINK_PS; 56492a36a0ec1550ffb4d608134e2504a6a67d1d1740Yogesh Ashok Powar 56503cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->vif_data_size = sizeof(struct mwl8k_vif); 56513cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->sta_data_size = sizeof(struct mwl8k_sta); 56523cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56533cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->macids_used = 0; 56543cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo INIT_LIST_HEAD(&priv->vif_list); 56553cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56563cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* Set default radio state and preamble */ 56573db1cd5c05f35fb43eb134df6f321de4e63141f2Rusty Russell priv->radio_on = false; 56583db1cd5c05f35fb43eb134df6f321de4e63141f2Rusty Russell priv->radio_short_preamble = false; 56593cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56603cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* Finalize join worker */ 56613cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo INIT_WORK(&priv->finalize_join_worker, mwl8k_finalize_join_worker); 56623aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam /* Handle watchdog ba events */ 56633aefc37ee789188f0d4488cae04ff618f4c4ddf6Nishant Sarmukadam INIT_WORK(&priv->watchdog_ba_handle, mwl8k_watchdog_ba_events); 56646b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar /* To reload the firmware if it crashes */ 56656b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar INIT_WORK(&priv->fw_reload, mwl8k_hw_restart_work); 56663cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56673cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* TX reclaim and RX tasklets. */ 56683cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo tasklet_init(&priv->poll_tx_task, mwl8k_tx_poll, (unsigned long)hw); 56693cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo tasklet_disable(&priv->poll_tx_task); 56703cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo tasklet_init(&priv->poll_rx_task, mwl8k_rx_poll, (unsigned long)hw); 56713cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo tasklet_disable(&priv->poll_rx_task); 56723cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56733cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* Power management cookie */ 56743cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->cookie = pci_alloc_consistent(priv->pdev, 4, &priv->cookie_dma); 56753cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->cookie == NULL) 56763cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return -ENOMEM; 56773cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56783cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mutex_init(&priv->fw_mutex); 56793cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->fw_mutex_owner = NULL; 56803cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->fw_mutex_depth = 0; 56813cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->hostcmd_wait = NULL; 56823cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56833cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo spin_lock_init(&priv->tx_lock); 56843cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5685ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo spin_lock_init(&priv->stream_lock); 5686ac109fd0427008e5b55e0e52e59c364de6d686feBrian Cavagnolo 56873cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->tx_wait = NULL; 56883cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56893cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = mwl8k_probe_hw(hw); 56903cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 56913cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_free_cookie; 56923cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56933cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->wiphy->interface_modes = 0; 56943cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->ap_macids_supported || priv->device_info->fw_image_ap) 56953cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP); 56963cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->sta_macids_supported || priv->device_info->fw_image_sta) 56973cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_STATION); 56983cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 56993cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = ieee80211_register_hw(hw); 57003cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) { 57013cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo wiphy_err(hw->wiphy, "Cannot register device\n"); 57023cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_unprobe_hw; 57033cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 57043cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57053cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return 0; 57063cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57073cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnoloerr_unprobe_hw: 5708e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 57093cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_txq_deinit(hw, i); 57103cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo mwl8k_rxq_deinit(hw, 0); 57113cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5712be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhekerr_free_cookie: 5713a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->cookie != NULL) 5714a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 4, 5715a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->cookie, priv->cookie_dma); 5716a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 57173cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 57183cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo} 57193cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolostatic int __devinit mwl8k_probe(struct pci_dev *pdev, 57203cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo const struct pci_device_id *id) 57213cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo{ 57223cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo static int printed_version; 57233cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct ieee80211_hw *hw; 57243cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo struct mwl8k_priv *priv; 57250863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo struct mwl8k_device_info *di; 57263cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo int rc; 57273cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57283cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (!printed_version) { 57293cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_INFO "%s version %s\n", MWL8K_DESC, MWL8K_VERSION); 57303cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printed_version = 1; 57313cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 57323cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57333cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57343cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = pci_enable_device(pdev); 57353cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) { 57363cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_ERR "%s: Cannot enable new PCI device\n", 57373cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo MWL8K_NAME); 57383cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo return rc; 57393cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 57403cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57413cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = pci_request_regions(pdev, MWL8K_NAME); 57423cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) { 57433cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_ERR "%s: Cannot obtain PCI resources\n", 57443cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo MWL8K_NAME); 57453cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_disable_device; 57463cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 57473cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57483cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo pci_set_master(pdev); 57493cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57503cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57513cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo hw = ieee80211_alloc_hw(sizeof(*priv), &mwl8k_ops); 57523cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (hw == NULL) { 57533cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo printk(KERN_ERR "%s: ieee80211 alloc failed\n", MWL8K_NAME); 57543cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo rc = -ENOMEM; 57553cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_free_reg; 57563cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 57573cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57583cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo SET_IEEE80211_DEV(hw, &pdev->dev); 57593cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo pci_set_drvdata(pdev, hw); 57603cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57613cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv = hw->priv; 57623cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->hw = hw; 57633cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->pdev = pdev; 57643cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->device_info = &mwl8k_info_tbl[id->driver_data]; 57653cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57663cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57673cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->sram = pci_iomap(pdev, 0, 0x10000); 57683cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->sram == NULL) { 57693cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo wiphy_err(hw->wiphy, "Cannot map device SRAM\n"); 57703cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_iounmap; 57713cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 57723cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57733cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo /* 57743cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * If BAR0 is a 32 bit BAR, the register BAR will be BAR1. 57753cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo * If BAR0 is a 64 bit BAR, the register BAR will be BAR2. 57763cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo */ 57773cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->regs = pci_iomap(pdev, 1, 0x10000); 57783cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->regs == NULL) { 57793cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo priv->regs = pci_iomap(pdev, 2, 0x10000); 57803cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (priv->regs == NULL) { 57813cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo wiphy_err(hw->wiphy, "Cannot map device registers\n"); 57823cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_iounmap; 57833cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 57843cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo } 57853cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 57860863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo /* 578799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * Choose the initial fw image depending on user input. If a second 578899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * image is available, make it the alternative image that will be 578999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo * loaded if the first one fails. 57900863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo */ 579199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo init_completion(&priv->firmware_loading_complete); 57920863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo di = priv->device_info; 579399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (ap_mode_default && di->fw_image_ap) { 579499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref = di->fw_image_ap; 579599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_alt = di->fw_image_sta; 579699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else if (!ap_mode_default && di->fw_image_sta) { 579799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref = di->fw_image_sta; 579899020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_alt = di->fw_image_ap; 579999020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } else if (ap_mode_default && !di->fw_image_ap && di->fw_image_sta) { 58000863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo printk(KERN_WARNING "AP fw is unavailable. Using STA fw."); 580199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref = di->fw_image_sta; 58020863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo } else if (!ap_mode_default && !di->fw_image_sta && di->fw_image_ap) { 58030863ade8d6bde1d151f75720d999ff27f9fe3533Brian Cavagnolo printk(KERN_WARNING "STA fw is unavailable. Using AP fw."); 580499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo priv->fw_pref = di->fw_image_ap; 580599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 580699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo rc = mwl8k_init_firmware(hw, priv->fw_pref, true); 58073cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo if (rc) 58083cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo goto err_stop_firmware; 58096b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 58106b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar priv->hw_restart_in_progress = false; 58116b6accc3832e5a124eeb144c6b3b1ff65b503d2bYogesh Ashok Powar 581299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo return rc; 58133cc7772c0a3cc193fa9873816168bd34d4f16837Brian Cavagnolo 5814be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhekerr_stop_firmware: 5815be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek mwl8k_hw_reset(priv); 5816be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 5817be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhekerr_iounmap: 5818a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->regs != NULL) 5819a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_iounmap(pdev, priv->regs); 5820a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 58215b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek if (priv->sram != NULL) 58225b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek pci_iounmap(pdev, priv->sram); 58235b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek 5824a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, NULL); 5825a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_free_hw(hw); 5826a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5827a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_reg: 5828a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_release_regions(pdev); 58293db95e50c8813d8ed04a1ec7cd7b77dba7c81c80Lennert Buytenhek 58303db95e50c8813d8ed04a1ec7cd7b77dba7c81c80Lennert Buytenhekerr_disable_device: 5831a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_disable_device(pdev); 5832a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5833a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 5834a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5835a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5836230f7af0d8f6f2019e64920378b3b66e7d3e99a5Joerg Albertstatic void __devexit mwl8k_shutdown(struct pci_dev *pdev) 5837a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 5838a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "===>%s(%u)\n", __func__, __LINE__); 5839a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5840a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5841230f7af0d8f6f2019e64920378b3b66e7d3e99a5Joerg Albertstatic void __devexit mwl8k_remove(struct pci_dev *pdev) 5842a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 5843a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = pci_get_drvdata(pdev); 5844a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 5845a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 5846a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5847a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hw == NULL) 5848a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 5849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv = hw->priv; 5850a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 585199020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo wait_for_completion(&priv->firmware_loading_complete); 585299020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 585399020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo if (priv->fw_state == FW_STATE_ERROR) { 585499020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo mwl8k_hw_reset(priv); 585599020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo goto unmap; 585699020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo } 585799020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolo 5858a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queues(hw); 5859a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 586060aa569f9212a13382c29cc734f275dec0f55e0bLennert Buytenhek ieee80211_unregister_hw(hw); 586160aa569f9212a13382c29cc734f275dec0f55e0bLennert Buytenhek 586267e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek /* Remove TX reclaim and RX tasklets. */ 58631e9f9de3b17db3aa358f39d6932662324178350dLennert Buytenhek tasklet_kill(&priv->poll_tx_task); 586467e2eb27958cae758ccbc86443c360ec285acc3eLennert Buytenhek tasklet_kill(&priv->poll_rx_task); 5865a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5866a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop hardware */ 5867a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_hw_reset(priv); 5868a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5869a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Return all skbs to mac80211 */ 5870e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 5871efb7c49a68cf206f35793d7799608e1d69a209f9Lennert Buytenhek mwl8k_txq_reclaim(hw, i, INT_MAX, 1); 5872a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5873e600707b021efdc109e7becd467798da339ec26dBrian Cavagnolo for (i = 0; i < mwl8k_tx_queues(priv); i++) 5874a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_deinit(hw, i); 5875a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5876a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_rxq_deinit(hw, 0); 5877a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5878c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek pci_free_consistent(priv->pdev, 4, priv->cookie, priv->cookie_dma); 5879a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 588099020471001dbbd6edf61f105368cb6667cc683dBrian Cavagnolounmap: 5881a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_iounmap(pdev, priv->regs); 58825b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek pci_iounmap(pdev, priv->sram); 5883a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, NULL); 5884a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_free_hw(hw); 5885a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_release_regions(pdev); 5886a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_disable_device(pdev); 5887a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5888a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5889a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic struct pci_driver mwl8k_driver = { 5890a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .name = MWL8K_NAME, 589145a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek .id_table = mwl8k_pci_id_table, 5892a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .probe = mwl8k_probe, 5893a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .remove = __devexit_p(mwl8k_remove), 5894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .shutdown = __devexit_p(mwl8k_shutdown), 5895a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 5896a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5897a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int __init mwl8k_init(void) 5898a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 5899a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return pci_register_driver(&mwl8k_driver); 5900a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5901a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5902a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void __exit mwl8k_exit(void) 5903a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 5904a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unregister_driver(&mwl8k_driver); 5905a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 5906a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 5907a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmodule_init(mwl8k_init); 5908a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmodule_exit(mwl8k_exit); 5909c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek 5910c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_DESCRIPTION(MWL8K_DESC); 5911c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_VERSION(MWL8K_VERSION); 5912c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_AUTHOR("Lennert Buytenhek <buytenh@marvell.com>"); 5913c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_LICENSE("GPL"); 5914