Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1 | /* |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 2 | * This file is part of wl1251 |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 3 | * |
| 4 | * Copyright (C) 2008-2009 Nokia Corporation |
| 5 | * |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License |
| 8 | * version 2 as published by the Free Software Foundation. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, but |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| 18 | * 02110-1301 USA |
| 19 | * |
| 20 | */ |
| 21 | |
| 22 | #include <linux/module.h> |
| 23 | #include <linux/interrupt.h> |
| 24 | #include <linux/firmware.h> |
| 25 | #include <linux/delay.h> |
| 26 | #include <linux/irq.h> |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 27 | #include <linux/crc32.h> |
| 28 | #include <linux/etherdevice.h> |
Kalle Valo | c74ddfd | 2009-11-17 18:48:45 +0200 | [diff] [blame] | 29 | #include <linux/vmalloc.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 30 | #include <linux/slab.h> |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 31 | |
Kalle Valo | 1367411 | 2009-06-12 14:17:25 +0300 | [diff] [blame] | 32 | #include "wl1251.h" |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 33 | #include "wl12xx_80211.h" |
Kalle Valo | 9bc6772 | 2010-10-10 11:28:32 +0300 | [diff] [blame] | 34 | #include "reg.h" |
| 35 | #include "io.h" |
| 36 | #include "cmd.h" |
| 37 | #include "event.h" |
| 38 | #include "tx.h" |
| 39 | #include "rx.h" |
| 40 | #include "ps.h" |
| 41 | #include "init.h" |
| 42 | #include "debugfs.h" |
| 43 | #include "boot.h" |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 44 | |
Bob Copeland | b5ed9c1 | 2009-08-07 13:33:49 +0300 | [diff] [blame] | 45 | void wl1251_enable_interrupts(struct wl1251 *wl) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 46 | { |
Bob Copeland | b5ed9c1 | 2009-08-07 13:33:49 +0300 | [diff] [blame] | 47 | wl->if_ops->enable_irq(wl); |
| 48 | } |
| 49 | |
| 50 | void wl1251_disable_interrupts(struct wl1251 *wl) |
| 51 | { |
| 52 | wl->if_ops->disable_irq(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 53 | } |
| 54 | |
Grazvydas Ignotas | cb7bbc7 | 2010-11-04 00:13:47 +0200 | [diff] [blame] | 55 | static int wl1251_power_off(struct wl1251 *wl) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 56 | { |
Grazvydas Ignotas | cb7bbc7 | 2010-11-04 00:13:47 +0200 | [diff] [blame] | 57 | return wl->if_ops->power(wl, false); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 58 | } |
| 59 | |
Grazvydas Ignotas | cb7bbc7 | 2010-11-04 00:13:47 +0200 | [diff] [blame] | 60 | static int wl1251_power_on(struct wl1251 *wl) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 61 | { |
Grazvydas Ignotas | cb7bbc7 | 2010-11-04 00:13:47 +0200 | [diff] [blame] | 62 | return wl->if_ops->power(wl, true); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 63 | } |
| 64 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 65 | static int wl1251_fetch_firmware(struct wl1251 *wl) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 66 | { |
| 67 | const struct firmware *fw; |
Bob Copeland | 6c766f4 | 2009-08-07 13:33:04 +0300 | [diff] [blame] | 68 | struct device *dev = wiphy_dev(wl->hw->wiphy); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 69 | int ret; |
| 70 | |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 71 | ret = request_firmware(&fw, WL1251_FW_NAME, dev); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 72 | |
| 73 | if (ret < 0) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 74 | wl1251_error("could not get firmware: %d", ret); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 75 | return ret; |
| 76 | } |
| 77 | |
| 78 | if (fw->size % 4) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 79 | wl1251_error("firmware size is not multiple of 32 bits: %zu", |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 80 | fw->size); |
| 81 | ret = -EILSEQ; |
| 82 | goto out; |
| 83 | } |
| 84 | |
| 85 | wl->fw_len = fw->size; |
Kalle Valo | c74ddfd | 2009-11-17 18:48:45 +0200 | [diff] [blame] | 86 | wl->fw = vmalloc(wl->fw_len); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 87 | |
| 88 | if (!wl->fw) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 89 | wl1251_error("could not allocate memory for the firmware"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 90 | ret = -ENOMEM; |
| 91 | goto out; |
| 92 | } |
| 93 | |
| 94 | memcpy(wl->fw, fw->data, wl->fw_len); |
| 95 | |
| 96 | ret = 0; |
| 97 | |
| 98 | out: |
| 99 | release_firmware(fw); |
| 100 | |
| 101 | return ret; |
| 102 | } |
| 103 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 104 | static int wl1251_fetch_nvs(struct wl1251 *wl) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 105 | { |
| 106 | const struct firmware *fw; |
Bob Copeland | 6c766f4 | 2009-08-07 13:33:04 +0300 | [diff] [blame] | 107 | struct device *dev = wiphy_dev(wl->hw->wiphy); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 108 | int ret; |
| 109 | |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 110 | ret = request_firmware(&fw, WL1251_NVS_NAME, dev); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 111 | |
| 112 | if (ret < 0) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 113 | wl1251_error("could not get nvs file: %d", ret); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 114 | return ret; |
| 115 | } |
| 116 | |
| 117 | if (fw->size % 4) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 118 | wl1251_error("nvs size is not multiple of 32 bits: %zu", |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 119 | fw->size); |
| 120 | ret = -EILSEQ; |
| 121 | goto out; |
| 122 | } |
| 123 | |
| 124 | wl->nvs_len = fw->size; |
Julia Lawall | 80caf60 | 2010-05-15 23:15:10 +0200 | [diff] [blame] | 125 | wl->nvs = kmemdup(fw->data, wl->nvs_len, GFP_KERNEL); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 126 | |
| 127 | if (!wl->nvs) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 128 | wl1251_error("could not allocate memory for the nvs file"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 129 | ret = -ENOMEM; |
| 130 | goto out; |
| 131 | } |
| 132 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 133 | ret = 0; |
| 134 | |
| 135 | out: |
| 136 | release_firmware(fw); |
| 137 | |
| 138 | return ret; |
| 139 | } |
| 140 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 141 | static void wl1251_fw_wakeup(struct wl1251 *wl) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 142 | { |
| 143 | u32 elp_reg; |
| 144 | |
| 145 | elp_reg = ELPCTRL_WAKE_UP; |
Grazvydas Ignotas | 3f9e750 | 2010-03-11 17:44:57 +0200 | [diff] [blame] | 146 | wl1251_write_elp(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); |
| 147 | elp_reg = wl1251_read_elp(wl, HW_ACCESS_ELP_CTRL_REG_ADDR); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 148 | |
Kalle Valo | 05fac68 | 2009-06-12 14:17:47 +0300 | [diff] [blame] | 149 | if (!(elp_reg & ELPCTRL_WLAN_READY)) |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 150 | wl1251_warning("WLAN not ready"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 151 | } |
| 152 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 153 | static int wl1251_chip_wakeup(struct wl1251 *wl) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 154 | { |
Grazvydas Ignotas | cb7bbc7 | 2010-11-04 00:13:47 +0200 | [diff] [blame] | 155 | int ret; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 156 | |
Grazvydas Ignotas | cb7bbc7 | 2010-11-04 00:13:47 +0200 | [diff] [blame] | 157 | ret = wl1251_power_on(wl); |
| 158 | if (ret < 0) |
| 159 | return ret; |
| 160 | |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 161 | msleep(WL1251_POWER_ON_SLEEP); |
Bob Copeland | 08d9f572 | 2009-08-07 13:33:11 +0300 | [diff] [blame] | 162 | wl->if_ops->reset(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 163 | |
| 164 | /* We don't need a real memory partition here, because we only want |
| 165 | * to use the registers at this point. */ |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 166 | wl1251_set_partition(wl, |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 167 | 0x00000000, |
| 168 | 0x00000000, |
| 169 | REGISTERS_BASE, |
| 170 | REGISTERS_DOWN_SIZE); |
| 171 | |
| 172 | /* ELP module wake up */ |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 173 | wl1251_fw_wakeup(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 174 | |
| 175 | /* whal_FwCtrl_BootSm() */ |
| 176 | |
| 177 | /* 0. read chip id from CHIP_ID */ |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 178 | wl->chip_id = wl1251_reg_read32(wl, CHIP_ID_B); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 179 | |
| 180 | /* 1. check if chip id is valid */ |
| 181 | |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 182 | switch (wl->chip_id) { |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 183 | case CHIP_ID_1251_PG12: |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 184 | wl1251_debug(DEBUG_BOOT, "chip id 0x%x (1251 PG12)", |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 185 | wl->chip_id); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 186 | break; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 187 | case CHIP_ID_1251_PG11: |
David-John Willis | 2c759e0 | 2009-10-15 14:38:16 +0100 | [diff] [blame] | 188 | wl1251_debug(DEBUG_BOOT, "chip id 0x%x (1251 PG11)", |
| 189 | wl->chip_id); |
| 190 | break; |
John W. Linville | 9a493e8 | 2009-10-27 15:15:05 -0400 | [diff] [blame] | 191 | case CHIP_ID_1251_PG10: |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 192 | default: |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 193 | wl1251_error("unsupported chip id: 0x%x", wl->chip_id); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 194 | ret = -ENODEV; |
| 195 | goto out; |
| 196 | } |
| 197 | |
| 198 | if (wl->fw == NULL) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 199 | ret = wl1251_fetch_firmware(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 200 | if (ret < 0) |
| 201 | goto out; |
| 202 | } |
| 203 | |
Grazvydas Ignotas | afa5ec2 | 2010-04-13 01:21:40 +0300 | [diff] [blame] | 204 | if (wl->nvs == NULL && !wl->use_eeprom) { |
| 205 | /* No NVS from netlink, try to get it from the filesystem */ |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 206 | ret = wl1251_fetch_nvs(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 207 | if (ret < 0) |
| 208 | goto out; |
| 209 | } |
| 210 | |
| 211 | out: |
| 212 | return ret; |
| 213 | } |
| 214 | |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 215 | #define WL1251_IRQ_LOOP_COUNT 10 |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 216 | static void wl1251_irq_work(struct work_struct *work) |
| 217 | { |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 218 | u32 intr, ctr = WL1251_IRQ_LOOP_COUNT; |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 219 | struct wl1251 *wl = |
| 220 | container_of(work, struct wl1251, irq_work); |
| 221 | int ret; |
| 222 | |
| 223 | mutex_lock(&wl->mutex); |
| 224 | |
| 225 | wl1251_debug(DEBUG_IRQ, "IRQ work"); |
| 226 | |
| 227 | if (wl->state == WL1251_STATE_OFF) |
| 228 | goto out; |
| 229 | |
| 230 | ret = wl1251_ps_elp_wakeup(wl); |
| 231 | if (ret < 0) |
| 232 | goto out; |
| 233 | |
| 234 | wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK, WL1251_ACX_INTR_ALL); |
| 235 | |
| 236 | intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR); |
| 237 | wl1251_debug(DEBUG_IRQ, "intr: 0x%x", intr); |
| 238 | |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 239 | do { |
| 240 | if (wl->data_path) { |
| 241 | wl->rx_counter = wl1251_mem_read32( |
| 242 | wl, wl->data_path->rx_control_addr); |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 243 | |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 244 | /* We handle a frmware bug here */ |
| 245 | switch ((wl->rx_counter - wl->rx_handled) & 0xf) { |
| 246 | case 0: |
| 247 | wl1251_debug(DEBUG_IRQ, |
| 248 | "RX: FW and host in sync"); |
| 249 | intr &= ~WL1251_ACX_INTR_RX0_DATA; |
| 250 | intr &= ~WL1251_ACX_INTR_RX1_DATA; |
| 251 | break; |
| 252 | case 1: |
| 253 | wl1251_debug(DEBUG_IRQ, "RX: FW +1"); |
| 254 | intr |= WL1251_ACX_INTR_RX0_DATA; |
| 255 | intr &= ~WL1251_ACX_INTR_RX1_DATA; |
| 256 | break; |
| 257 | case 2: |
| 258 | wl1251_debug(DEBUG_IRQ, "RX: FW +2"); |
| 259 | intr |= WL1251_ACX_INTR_RX0_DATA; |
| 260 | intr |= WL1251_ACX_INTR_RX1_DATA; |
| 261 | break; |
| 262 | default: |
| 263 | wl1251_warning( |
| 264 | "RX: FW and host out of sync: %d", |
| 265 | wl->rx_counter - wl->rx_handled); |
| 266 | break; |
| 267 | } |
| 268 | |
| 269 | wl->rx_handled = wl->rx_counter; |
| 270 | |
| 271 | wl1251_debug(DEBUG_IRQ, "RX counter: %d", |
| 272 | wl->rx_counter); |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 273 | } |
| 274 | |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 275 | intr &= wl->intr_mask; |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 276 | |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 277 | if (intr == 0) { |
| 278 | wl1251_debug(DEBUG_IRQ, "INTR is 0"); |
| 279 | goto out_sleep; |
| 280 | } |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 281 | |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 282 | if (intr & WL1251_ACX_INTR_RX0_DATA) { |
| 283 | wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX0_DATA"); |
| 284 | wl1251_rx(wl); |
| 285 | } |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 286 | |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 287 | if (intr & WL1251_ACX_INTR_RX1_DATA) { |
| 288 | wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX1_DATA"); |
| 289 | wl1251_rx(wl); |
| 290 | } |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 291 | |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 292 | if (intr & WL1251_ACX_INTR_TX_RESULT) { |
| 293 | wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_TX_RESULT"); |
| 294 | wl1251_tx_complete(wl); |
| 295 | } |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 296 | |
Grazvydas Ignotas | d41776fa | 2010-08-17 22:46:53 +0300 | [diff] [blame] | 297 | if (intr & WL1251_ACX_INTR_EVENT_A) { |
| 298 | wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_EVENT_A"); |
| 299 | wl1251_event_handle(wl, 0); |
| 300 | } |
| 301 | |
| 302 | if (intr & WL1251_ACX_INTR_EVENT_B) { |
| 303 | wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_EVENT_B"); |
| 304 | wl1251_event_handle(wl, 1); |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 305 | } |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 306 | |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 307 | if (intr & WL1251_ACX_INTR_INIT_COMPLETE) |
| 308 | wl1251_debug(DEBUG_IRQ, |
| 309 | "WL1251_ACX_INTR_INIT_COMPLETE"); |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 310 | |
Juuso Oikarinen | 79553f8 | 2009-11-17 18:49:46 +0200 | [diff] [blame] | 311 | if (--ctr == 0) |
| 312 | break; |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 313 | |
Juuso Oikarinen | 79553f8 | 2009-11-17 18:49:46 +0200 | [diff] [blame] | 314 | intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR); |
| 315 | } while (intr); |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 316 | |
| 317 | out_sleep: |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 318 | wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK, ~(wl->intr_mask)); |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 319 | wl1251_ps_elp_sleep(wl); |
| 320 | |
| 321 | out: |
| 322 | mutex_unlock(&wl->mutex); |
| 323 | } |
| 324 | |
Kalle Valo | ae46ae1 | 2009-08-07 13:34:42 +0300 | [diff] [blame] | 325 | static int wl1251_join(struct wl1251 *wl, u8 bss_type, u8 channel, |
| 326 | u16 beacon_interval, u8 dtim_period) |
| 327 | { |
| 328 | int ret; |
| 329 | |
| 330 | ret = wl1251_acx_frame_rates(wl, DEFAULT_HW_GEN_TX_RATE, |
| 331 | DEFAULT_HW_GEN_MODULATION_TYPE, |
| 332 | wl->tx_mgmt_frm_rate, |
| 333 | wl->tx_mgmt_frm_mod); |
| 334 | if (ret < 0) |
| 335 | goto out; |
| 336 | |
| 337 | |
| 338 | ret = wl1251_cmd_join(wl, bss_type, channel, beacon_interval, |
| 339 | dtim_period); |
| 340 | if (ret < 0) |
| 341 | goto out; |
| 342 | |
Grazvydas Ignotas | 7273b97 | 2010-08-17 22:46:55 +0300 | [diff] [blame] | 343 | ret = wl1251_event_wait(wl, JOIN_EVENT_COMPLETE_ID, 100); |
| 344 | if (ret < 0) |
| 345 | wl1251_warning("join timeout"); |
Kalle Valo | ae46ae1 | 2009-08-07 13:34:42 +0300 | [diff] [blame] | 346 | |
| 347 | out: |
| 348 | return ret; |
| 349 | } |
| 350 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 351 | static void wl1251_filter_work(struct work_struct *work) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 352 | { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 353 | struct wl1251 *wl = |
| 354 | container_of(work, struct wl1251, filter_work); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 355 | int ret; |
| 356 | |
| 357 | mutex_lock(&wl->mutex); |
| 358 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 359 | if (wl->state == WL1251_STATE_OFF) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 360 | goto out; |
| 361 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 362 | ret = wl1251_ps_elp_wakeup(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 363 | if (ret < 0) |
| 364 | goto out; |
| 365 | |
Kalle Valo | ae46ae1 | 2009-08-07 13:34:42 +0300 | [diff] [blame] | 366 | ret = wl1251_join(wl, wl->bss_type, wl->channel, wl->beacon_int, |
| 367 | wl->dtim_period); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 368 | if (ret < 0) |
| 369 | goto out_sleep; |
| 370 | |
| 371 | out_sleep: |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 372 | wl1251_ps_elp_sleep(wl); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 373 | |
| 374 | out: |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 375 | mutex_unlock(&wl->mutex); |
| 376 | } |
| 377 | |
Johannes Berg | 7bb4568 | 2011-02-24 14:42:06 +0100 | [diff] [blame] | 378 | static void wl1251_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 379 | { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 380 | struct wl1251 *wl = hw->priv; |
Denis 'GNUtoo' Carikli | 9df86e2 | 2010-08-27 23:48:19 +0200 | [diff] [blame] | 381 | unsigned long flags; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 382 | |
| 383 | skb_queue_tail(&wl->tx_queue, skb); |
| 384 | |
Juuso Oikarinen | 9f2ad4f | 2009-06-12 14:15:54 +0300 | [diff] [blame] | 385 | /* |
| 386 | * The chip specific setup must run before the first TX packet - |
| 387 | * before that, the tx_work will not be initialized! |
| 388 | */ |
| 389 | |
Kalle Valo | 16e711f | 2009-08-07 13:35:04 +0300 | [diff] [blame] | 390 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 391 | |
| 392 | /* |
| 393 | * The workqueue is slow to process the tx_queue and we need stop |
| 394 | * the queue here, otherwise the queue will get too long. |
| 395 | */ |
Denis 'GNUtoo' Carikli | 9df86e2 | 2010-08-27 23:48:19 +0200 | [diff] [blame] | 396 | if (skb_queue_len(&wl->tx_queue) >= WL1251_TX_QUEUE_HIGH_WATERMARK) { |
Kalle Valo | d67e261 | 2009-11-30 10:17:45 +0200 | [diff] [blame] | 397 | wl1251_debug(DEBUG_TX, "op_tx: tx_queue full, stop queues"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 398 | |
Denis 'GNUtoo' Carikli | 9df86e2 | 2010-08-27 23:48:19 +0200 | [diff] [blame] | 399 | spin_lock_irqsave(&wl->wl_lock, flags); |
| 400 | ieee80211_stop_queues(wl->hw); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 401 | wl->tx_queue_stopped = true; |
Denis 'GNUtoo' Carikli | 9df86e2 | 2010-08-27 23:48:19 +0200 | [diff] [blame] | 402 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 403 | } |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 404 | } |
| 405 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 406 | static int wl1251_op_start(struct ieee80211_hw *hw) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 407 | { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 408 | struct wl1251 *wl = hw->priv; |
John W. Linville | 8b28e82 | 2010-07-28 16:59:41 -0400 | [diff] [blame] | 409 | struct wiphy *wiphy = hw->wiphy; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 410 | int ret = 0; |
| 411 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 412 | wl1251_debug(DEBUG_MAC80211, "mac80211 start"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 413 | |
| 414 | mutex_lock(&wl->mutex); |
| 415 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 416 | if (wl->state != WL1251_STATE_OFF) { |
| 417 | wl1251_error("cannot start because not in off state: %d", |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 418 | wl->state); |
| 419 | ret = -EBUSY; |
| 420 | goto out; |
| 421 | } |
| 422 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 423 | ret = wl1251_chip_wakeup(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 424 | if (ret < 0) |
Jiri Slaby | fe64341 | 2009-07-14 22:37:13 +0200 | [diff] [blame] | 425 | goto out; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 426 | |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 427 | ret = wl1251_boot(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 428 | if (ret < 0) |
| 429 | goto out; |
| 430 | |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 431 | ret = wl1251_hw_init(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 432 | if (ret < 0) |
| 433 | goto out; |
| 434 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 435 | ret = wl1251_acx_station_id(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 436 | if (ret < 0) |
| 437 | goto out; |
| 438 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 439 | wl->state = WL1251_STATE_ON; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 440 | |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 441 | wl1251_info("firmware booted (%s)", wl->fw_ver); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 442 | |
John W. Linville | 8b28e82 | 2010-07-28 16:59:41 -0400 | [diff] [blame] | 443 | /* update hw/fw version info in wiphy struct */ |
| 444 | wiphy->hw_version = wl->chip_id; |
| 445 | strncpy(wiphy->fw_version, wl->fw_ver, sizeof(wiphy->fw_version)); |
| 446 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 447 | out: |
| 448 | if (ret < 0) |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 449 | wl1251_power_off(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 450 | |
| 451 | mutex_unlock(&wl->mutex); |
| 452 | |
| 453 | return ret; |
| 454 | } |
| 455 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 456 | static void wl1251_op_stop(struct ieee80211_hw *hw) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 457 | { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 458 | struct wl1251 *wl = hw->priv; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 459 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 460 | wl1251_info("down"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 461 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 462 | wl1251_debug(DEBUG_MAC80211, "mac80211 stop"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 463 | |
| 464 | mutex_lock(&wl->mutex); |
| 465 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 466 | WARN_ON(wl->state != WL1251_STATE_ON); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 467 | |
| 468 | if (wl->scanning) { |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 469 | ieee80211_scan_completed(wl->hw, true); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 470 | wl->scanning = false; |
| 471 | } |
| 472 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 473 | wl->state = WL1251_STATE_OFF; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 474 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 475 | wl1251_disable_interrupts(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 476 | |
| 477 | mutex_unlock(&wl->mutex); |
| 478 | |
| 479 | cancel_work_sync(&wl->irq_work); |
| 480 | cancel_work_sync(&wl->tx_work); |
| 481 | cancel_work_sync(&wl->filter_work); |
| 482 | |
| 483 | mutex_lock(&wl->mutex); |
| 484 | |
| 485 | /* let's notify MAC80211 about the remaining pending TX frames */ |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 486 | wl1251_tx_flush(wl); |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 487 | wl1251_power_off(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 488 | |
| 489 | memset(wl->bssid, 0, ETH_ALEN); |
| 490 | wl->listen_int = 1; |
| 491 | wl->bss_type = MAX_BSS_TYPE; |
| 492 | |
| 493 | wl->data_in_count = 0; |
| 494 | wl->rx_counter = 0; |
| 495 | wl->rx_handled = 0; |
| 496 | wl->rx_current_buffer = 0; |
| 497 | wl->rx_last_id = 0; |
| 498 | wl->next_tx_complete = 0; |
| 499 | wl->elp = false; |
Jarkko Nikula | a0bbb58 | 2011-04-04 11:04:57 +0300 | [diff] [blame] | 500 | wl->station_mode = STATION_ACTIVE_MODE; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 501 | wl->tx_queue_stopped = false; |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 502 | wl->power_level = WL1251_DEFAULT_POWER_LEVEL; |
David Gnedt | 8964e49 | 2011-01-30 20:11:00 +0100 | [diff] [blame] | 503 | wl->rssi_thold = 0; |
Kalle Valo | 9780279 | 2009-08-07 13:34:27 +0300 | [diff] [blame] | 504 | wl->channel = WL1251_DEFAULT_CHANNEL; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 505 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 506 | wl1251_debugfs_reset(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 507 | |
| 508 | mutex_unlock(&wl->mutex); |
| 509 | } |
| 510 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 511 | static int wl1251_op_add_interface(struct ieee80211_hw *hw, |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 512 | struct ieee80211_vif *vif) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 513 | { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 514 | struct wl1251 *wl = hw->priv; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 515 | int ret = 0; |
| 516 | |
Johannes Berg | ea08635 | 2012-01-19 09:29:58 +0100 | [diff] [blame] | 517 | vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | |
| 518 | IEEE80211_VIF_SUPPORTS_CQM_RSSI; |
Johannes Berg | c1288b1 | 2012-01-19 09:29:57 +0100 | [diff] [blame] | 519 | |
Johannes Berg | e91d833 | 2009-07-15 17:21:41 +0200 | [diff] [blame] | 520 | wl1251_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 521 | vif->type, vif->addr); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 522 | |
| 523 | mutex_lock(&wl->mutex); |
Juuso Oikarinen | 287f6f9 | 2009-11-17 18:48:23 +0200 | [diff] [blame] | 524 | if (wl->vif) { |
| 525 | ret = -EBUSY; |
| 526 | goto out; |
| 527 | } |
| 528 | |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 529 | wl->vif = vif; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 530 | |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 531 | switch (vif->type) { |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 532 | case NL80211_IFTYPE_STATION: |
| 533 | wl->bss_type = BSS_TYPE_STA_BSS; |
| 534 | break; |
| 535 | case NL80211_IFTYPE_ADHOC: |
| 536 | wl->bss_type = BSS_TYPE_IBSS; |
| 537 | break; |
| 538 | default: |
| 539 | ret = -EOPNOTSUPP; |
| 540 | goto out; |
| 541 | } |
| 542 | |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 543 | if (memcmp(wl->mac_addr, vif->addr, ETH_ALEN)) { |
| 544 | memcpy(wl->mac_addr, vif->addr, ETH_ALEN); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 545 | SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 546 | ret = wl1251_acx_station_id(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 547 | if (ret < 0) |
| 548 | goto out; |
| 549 | } |
| 550 | |
| 551 | out: |
| 552 | mutex_unlock(&wl->mutex); |
| 553 | return ret; |
| 554 | } |
| 555 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 556 | static void wl1251_op_remove_interface(struct ieee80211_hw *hw, |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 557 | struct ieee80211_vif *vif) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 558 | { |
Juuso Oikarinen | 287f6f9 | 2009-11-17 18:48:23 +0200 | [diff] [blame] | 559 | struct wl1251 *wl = hw->priv; |
| 560 | |
| 561 | mutex_lock(&wl->mutex); |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 562 | wl1251_debug(DEBUG_MAC80211, "mac80211 remove interface"); |
Juuso Oikarinen | 287f6f9 | 2009-11-17 18:48:23 +0200 | [diff] [blame] | 563 | wl->vif = NULL; |
| 564 | mutex_unlock(&wl->mutex); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 565 | } |
| 566 | |
Kalle Valo | 8f8ff916 | 2010-01-12 10:43:07 +0200 | [diff] [blame] | 567 | static int wl1251_build_qos_null_data(struct wl1251 *wl) |
| 568 | { |
| 569 | struct ieee80211_qos_hdr template; |
| 570 | |
| 571 | memset(&template, 0, sizeof(template)); |
| 572 | |
| 573 | memcpy(template.addr1, wl->bssid, ETH_ALEN); |
| 574 | memcpy(template.addr2, wl->mac_addr, ETH_ALEN); |
| 575 | memcpy(template.addr3, wl->bssid, ETH_ALEN); |
| 576 | |
| 577 | template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | |
| 578 | IEEE80211_STYPE_QOS_NULLFUNC | |
| 579 | IEEE80211_FCTL_TODS); |
| 580 | |
| 581 | /* FIXME: not sure what priority to use here */ |
| 582 | template.qos_ctrl = cpu_to_le16(0); |
| 583 | |
| 584 | return wl1251_cmd_template_set(wl, CMD_QOS_NULL_DATA, &template, |
| 585 | sizeof(template)); |
| 586 | } |
| 587 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 588 | static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 589 | { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 590 | struct wl1251 *wl = hw->priv; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 591 | struct ieee80211_conf *conf = &hw->conf; |
| 592 | int channel, ret = 0; |
| 593 | |
| 594 | channel = ieee80211_frequency_to_channel(conf->channel->center_freq); |
| 595 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 596 | wl1251_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d", |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 597 | channel, |
| 598 | conf->flags & IEEE80211_CONF_PS ? "on" : "off", |
| 599 | conf->power_level); |
| 600 | |
| 601 | mutex_lock(&wl->mutex); |
| 602 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 603 | ret = wl1251_ps_elp_wakeup(wl); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 604 | if (ret < 0) |
| 605 | goto out; |
Kalle Valo | 01d9cfb | 2009-06-12 14:16:26 +0300 | [diff] [blame] | 606 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 607 | if (channel != wl->channel) { |
Kalle Valo | fe9a984 | 2009-08-07 13:34:49 +0300 | [diff] [blame] | 608 | wl->channel = channel; |
| 609 | |
Kalle Valo | ae46ae1 | 2009-08-07 13:34:42 +0300 | [diff] [blame] | 610 | ret = wl1251_join(wl, wl->bss_type, wl->channel, |
| 611 | wl->beacon_int, wl->dtim_period); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 612 | if (ret < 0) |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 613 | goto out_sleep; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 614 | } |
| 615 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 616 | if (conf->flags & IEEE80211_CONF_PS && !wl->psm_requested) { |
Luciano Coelho | 47af3fe | 2009-06-12 14:17:53 +0300 | [diff] [blame] | 617 | wl1251_debug(DEBUG_PSM, "psm enabled"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 618 | |
| 619 | wl->psm_requested = true; |
| 620 | |
Johannes Berg | 56007a0 | 2010-01-26 14:19:52 +0100 | [diff] [blame] | 621 | wl->dtim_period = conf->ps_dtim_period; |
| 622 | |
| 623 | ret = wl1251_acx_wr_tbtt_and_dtim(wl, wl->beacon_int, |
| 624 | wl->dtim_period); |
| 625 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 626 | /* |
Johannes Berg | 56007a0 | 2010-01-26 14:19:52 +0100 | [diff] [blame] | 627 | * mac80211 enables PSM only if we're already associated. |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 628 | */ |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 629 | ret = wl1251_ps_set_mode(wl, STATION_POWER_SAVE_MODE); |
Kalle Valo | 478fdf2 | 2009-11-30 10:17:52 +0200 | [diff] [blame] | 630 | if (ret < 0) |
| 631 | goto out_sleep; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 632 | } else if (!(conf->flags & IEEE80211_CONF_PS) && |
| 633 | wl->psm_requested) { |
Luciano Coelho | 47af3fe | 2009-06-12 14:17:53 +0300 | [diff] [blame] | 634 | wl1251_debug(DEBUG_PSM, "psm disabled"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 635 | |
| 636 | wl->psm_requested = false; |
| 637 | |
Jarkko Nikula | a0bbb58 | 2011-04-04 11:04:57 +0300 | [diff] [blame] | 638 | if (wl->station_mode != STATION_ACTIVE_MODE) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 639 | ret = wl1251_ps_set_mode(wl, STATION_ACTIVE_MODE); |
Kalle Valo | 478fdf2 | 2009-11-30 10:17:52 +0200 | [diff] [blame] | 640 | if (ret < 0) |
| 641 | goto out_sleep; |
| 642 | } |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 643 | } |
| 644 | |
Jarkko Nikula | 1e5f52d | 2011-04-04 11:04:58 +0300 | [diff] [blame] | 645 | if (changed & IEEE80211_CONF_CHANGE_IDLE) { |
| 646 | if (conf->flags & IEEE80211_CONF_IDLE) { |
| 647 | ret = wl1251_ps_set_mode(wl, STATION_IDLE); |
| 648 | if (ret < 0) |
| 649 | goto out_sleep; |
| 650 | } else { |
| 651 | ret = wl1251_ps_set_mode(wl, STATION_ACTIVE_MODE); |
| 652 | if (ret < 0) |
| 653 | goto out_sleep; |
| 654 | ret = wl1251_join(wl, wl->bss_type, wl->channel, |
| 655 | wl->beacon_int, wl->dtim_period); |
| 656 | if (ret < 0) |
| 657 | goto out_sleep; |
| 658 | } |
| 659 | } |
| 660 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 661 | if (conf->power_level != wl->power_level) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 662 | ret = wl1251_acx_tx_power(wl, conf->power_level); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 663 | if (ret < 0) |
Kalle Valo | 478fdf2 | 2009-11-30 10:17:52 +0200 | [diff] [blame] | 664 | goto out_sleep; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 665 | |
| 666 | wl->power_level = conf->power_level; |
| 667 | } |
| 668 | |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 669 | out_sleep: |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 670 | wl1251_ps_elp_sleep(wl); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 671 | |
| 672 | out: |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 673 | mutex_unlock(&wl->mutex); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 674 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 675 | return ret; |
| 676 | } |
| 677 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 678 | #define WL1251_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 679 | FIF_ALLMULTI | \ |
| 680 | FIF_FCSFAIL | \ |
| 681 | FIF_BCN_PRBRESP_PROMISC | \ |
| 682 | FIF_CONTROL | \ |
| 683 | FIF_OTHER_BSS) |
| 684 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 685 | static void wl1251_op_configure_filter(struct ieee80211_hw *hw, |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 686 | unsigned int changed, |
Johannes Berg | 3ac64be | 2009-08-17 16:16:53 +0200 | [diff] [blame] | 687 | unsigned int *total,u64 multicast) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 688 | { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 689 | struct wl1251 *wl = hw->priv; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 690 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 691 | wl1251_debug(DEBUG_MAC80211, "mac80211 configure filter"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 692 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 693 | *total &= WL1251_SUPPORTED_FILTERS; |
| 694 | changed &= WL1251_SUPPORTED_FILTERS; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 695 | |
| 696 | if (changed == 0) |
| 697 | /* no filters which we support changed */ |
| 698 | return; |
| 699 | |
| 700 | /* FIXME: wl->rx_config and wl->rx_filter are not protected */ |
| 701 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 702 | wl->rx_config = WL1251_DEFAULT_RX_CONFIG; |
| 703 | wl->rx_filter = WL1251_DEFAULT_RX_FILTER; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 704 | |
| 705 | if (*total & FIF_PROMISC_IN_BSS) { |
| 706 | wl->rx_config |= CFG_BSSID_FILTER_EN; |
| 707 | wl->rx_config |= CFG_RX_ALL_GOOD; |
| 708 | } |
| 709 | if (*total & FIF_ALLMULTI) |
| 710 | /* |
| 711 | * CFG_MC_FILTER_EN in rx_config needs to be 0 to receive |
| 712 | * all multicast frames |
| 713 | */ |
| 714 | wl->rx_config &= ~CFG_MC_FILTER_EN; |
| 715 | if (*total & FIF_FCSFAIL) |
| 716 | wl->rx_filter |= CFG_RX_FCS_ERROR; |
| 717 | if (*total & FIF_BCN_PRBRESP_PROMISC) { |
| 718 | wl->rx_config &= ~CFG_BSSID_FILTER_EN; |
| 719 | wl->rx_config &= ~CFG_SSID_FILTER_EN; |
| 720 | } |
| 721 | if (*total & FIF_CONTROL) |
| 722 | wl->rx_filter |= CFG_RX_CTL_EN; |
| 723 | if (*total & FIF_OTHER_BSS) |
| 724 | wl->rx_filter &= ~CFG_BSSID_FILTER_EN; |
| 725 | |
| 726 | /* |
| 727 | * FIXME: workqueues need to be properly cancelled on stop(), for |
| 728 | * now let's just disable changing the filter settings. They will |
| 729 | * be updated any on config(). |
| 730 | */ |
| 731 | /* schedule_work(&wl->filter_work); */ |
| 732 | } |
| 733 | |
| 734 | /* HW encryption */ |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 735 | static int wl1251_set_key_type(struct wl1251 *wl, |
| 736 | struct wl1251_cmd_set_keys *key, |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 737 | enum set_key_cmd cmd, |
| 738 | struct ieee80211_key_conf *mac80211_key, |
| 739 | const u8 *addr) |
| 740 | { |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 741 | switch (mac80211_key->cipher) { |
| 742 | case WLAN_CIPHER_SUITE_WEP40: |
| 743 | case WLAN_CIPHER_SUITE_WEP104: |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 744 | if (is_broadcast_ether_addr(addr)) |
| 745 | key->key_type = KEY_WEP_DEFAULT; |
| 746 | else |
| 747 | key->key_type = KEY_WEP_ADDR; |
| 748 | |
| 749 | mac80211_key->hw_key_idx = mac80211_key->keyidx; |
| 750 | break; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 751 | case WLAN_CIPHER_SUITE_TKIP: |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 752 | if (is_broadcast_ether_addr(addr)) |
| 753 | key->key_type = KEY_TKIP_MIC_GROUP; |
| 754 | else |
| 755 | key->key_type = KEY_TKIP_MIC_PAIRWISE; |
| 756 | |
| 757 | mac80211_key->hw_key_idx = mac80211_key->keyidx; |
| 758 | break; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 759 | case WLAN_CIPHER_SUITE_CCMP: |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 760 | if (is_broadcast_ether_addr(addr)) |
| 761 | key->key_type = KEY_AES_GROUP; |
| 762 | else |
| 763 | key->key_type = KEY_AES_PAIRWISE; |
| 764 | mac80211_key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; |
| 765 | break; |
| 766 | default: |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 767 | wl1251_error("Unknown key cipher 0x%x", mac80211_key->cipher); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 768 | return -EOPNOTSUPP; |
| 769 | } |
| 770 | |
| 771 | return 0; |
| 772 | } |
| 773 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 774 | static int wl1251_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 775 | struct ieee80211_vif *vif, |
| 776 | struct ieee80211_sta *sta, |
| 777 | struct ieee80211_key_conf *key) |
| 778 | { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 779 | struct wl1251 *wl = hw->priv; |
| 780 | struct wl1251_cmd_set_keys *wl_cmd; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 781 | const u8 *addr; |
| 782 | int ret; |
| 783 | |
| 784 | static const u8 bcast_addr[ETH_ALEN] = |
| 785 | { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; |
| 786 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 787 | wl1251_debug(DEBUG_MAC80211, "mac80211 set key"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 788 | |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 789 | wl_cmd = kzalloc(sizeof(*wl_cmd), GFP_KERNEL); |
| 790 | if (!wl_cmd) { |
| 791 | ret = -ENOMEM; |
| 792 | goto out; |
| 793 | } |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 794 | |
| 795 | addr = sta ? sta->addr : bcast_addr; |
| 796 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 797 | wl1251_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd); |
| 798 | wl1251_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN); |
| 799 | wl1251_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 800 | key->cipher, key->keyidx, key->keylen, key->flags); |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 801 | wl1251_dump(DEBUG_CRYPT, "KEY: ", key->key, key->keylen); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 802 | |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 803 | if (is_zero_ether_addr(addr)) { |
| 804 | /* We dont support TX only encryption */ |
| 805 | ret = -EOPNOTSUPP; |
| 806 | goto out; |
| 807 | } |
| 808 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 809 | mutex_lock(&wl->mutex); |
| 810 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 811 | ret = wl1251_ps_elp_wakeup(wl); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 812 | if (ret < 0) |
| 813 | goto out_unlock; |
Kalle Valo | 01d9cfb | 2009-06-12 14:16:26 +0300 | [diff] [blame] | 814 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 815 | switch (cmd) { |
| 816 | case SET_KEY: |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 817 | wl_cmd->key_action = KEY_ADD_OR_REPLACE; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 818 | break; |
| 819 | case DISABLE_KEY: |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 820 | wl_cmd->key_action = KEY_REMOVE; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 821 | break; |
| 822 | default: |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 823 | wl1251_error("Unsupported key cmd 0x%x", cmd); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 824 | break; |
| 825 | } |
| 826 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 827 | ret = wl1251_set_key_type(wl, wl_cmd, cmd, key, addr); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 828 | if (ret < 0) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 829 | wl1251_error("Set KEY type failed"); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 830 | goto out_sleep; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 831 | } |
| 832 | |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 833 | if (wl_cmd->key_type != KEY_WEP_DEFAULT) |
| 834 | memcpy(wl_cmd->addr, addr, ETH_ALEN); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 835 | |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 836 | if ((wl_cmd->key_type == KEY_TKIP_MIC_GROUP) || |
| 837 | (wl_cmd->key_type == KEY_TKIP_MIC_PAIRWISE)) { |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 838 | /* |
| 839 | * We get the key in the following form: |
| 840 | * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) |
| 841 | * but the target is expecting: |
| 842 | * TKIP - RX MIC - TX MIC |
| 843 | */ |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 844 | memcpy(wl_cmd->key, key->key, 16); |
| 845 | memcpy(wl_cmd->key + 16, key->key + 24, 8); |
| 846 | memcpy(wl_cmd->key + 24, key->key + 16, 8); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 847 | |
| 848 | } else { |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 849 | memcpy(wl_cmd->key, key->key, key->keylen); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 850 | } |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 851 | wl_cmd->key_size = key->keylen; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 852 | |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 853 | wl_cmd->id = key->keyidx; |
| 854 | wl_cmd->ssid_profile = 0; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 855 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 856 | wl1251_dump(DEBUG_CRYPT, "TARGET KEY: ", wl_cmd, sizeof(*wl_cmd)); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 857 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 858 | ret = wl1251_cmd_send(wl, CMD_SET_KEYS, wl_cmd, sizeof(*wl_cmd)); |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 859 | if (ret < 0) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 860 | wl1251_warning("could not set keys"); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 861 | goto out_sleep; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 862 | } |
| 863 | |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 864 | out_sleep: |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 865 | wl1251_ps_elp_sleep(wl); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 866 | |
| 867 | out_unlock: |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 868 | mutex_unlock(&wl->mutex); |
| 869 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 870 | out: |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 871 | kfree(wl_cmd); |
| 872 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 873 | return ret; |
| 874 | } |
| 875 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 876 | static int wl1251_op_hw_scan(struct ieee80211_hw *hw, |
Johannes Berg | a060bbf | 2010-04-27 11:59:34 +0200 | [diff] [blame] | 877 | struct ieee80211_vif *vif, |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 878 | struct cfg80211_scan_request *req) |
| 879 | { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 880 | struct wl1251 *wl = hw->priv; |
Kalle Valo | e477c56 | 2010-01-05 20:16:57 +0200 | [diff] [blame] | 881 | struct sk_buff *skb; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 882 | size_t ssid_len = 0; |
Kalle Valo | 3a98c30 | 2010-01-05 20:16:51 +0200 | [diff] [blame] | 883 | u8 *ssid = NULL; |
| 884 | int ret; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 885 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 886 | wl1251_debug(DEBUG_MAC80211, "mac80211 hw scan"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 887 | |
| 888 | if (req->n_ssids) { |
| 889 | ssid = req->ssids[0].ssid; |
| 890 | ssid_len = req->ssids[0].ssid_len; |
| 891 | } |
| 892 | |
| 893 | mutex_lock(&wl->mutex); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 894 | |
Kalle Valo | 3a98c30 | 2010-01-05 20:16:51 +0200 | [diff] [blame] | 895 | if (wl->scanning) { |
| 896 | wl1251_debug(DEBUG_SCAN, "scan already in progress"); |
| 897 | ret = -EINVAL; |
| 898 | goto out; |
| 899 | } |
| 900 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 901 | ret = wl1251_ps_elp_wakeup(wl); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 902 | if (ret < 0) |
| 903 | goto out; |
Kalle Valo | 01d9cfb | 2009-06-12 14:16:26 +0300 | [diff] [blame] | 904 | |
Kalle Valo | e477c56 | 2010-01-05 20:16:57 +0200 | [diff] [blame] | 905 | skb = ieee80211_probereq_get(wl->hw, wl->vif, ssid, ssid_len, |
| 906 | req->ie, req->ie_len); |
| 907 | if (!skb) { |
| 908 | ret = -ENOMEM; |
| 909 | goto out; |
| 910 | } |
| 911 | |
| 912 | ret = wl1251_cmd_template_set(wl, CMD_PROBE_REQ, skb->data, |
| 913 | skb->len); |
| 914 | dev_kfree_skb(skb); |
Kalle Valo | 3a98c30 | 2010-01-05 20:16:51 +0200 | [diff] [blame] | 915 | if (ret < 0) |
Kalle Valo | e477c56 | 2010-01-05 20:16:57 +0200 | [diff] [blame] | 916 | goto out_sleep; |
Kalle Valo | 01d9cfb | 2009-06-12 14:16:26 +0300 | [diff] [blame] | 917 | |
Kalle Valo | 3a98c30 | 2010-01-05 20:16:51 +0200 | [diff] [blame] | 918 | ret = wl1251_cmd_trigger_scan_to(wl, 0); |
| 919 | if (ret < 0) |
| 920 | goto out_sleep; |
| 921 | |
| 922 | wl->scanning = true; |
| 923 | |
Kalle Valo | dc52f0a | 2010-01-05 20:17:03 +0200 | [diff] [blame] | 924 | ret = wl1251_cmd_scan(wl, ssid, ssid_len, req->channels, |
| 925 | req->n_channels, WL1251_SCAN_NUM_PROBES); |
Kalle Valo | 3a98c30 | 2010-01-05 20:16:51 +0200 | [diff] [blame] | 926 | if (ret < 0) { |
| 927 | wl->scanning = false; |
| 928 | goto out_sleep; |
| 929 | } |
| 930 | |
| 931 | out_sleep: |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 932 | wl1251_ps_elp_sleep(wl); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 933 | |
| 934 | out: |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 935 | mutex_unlock(&wl->mutex); |
| 936 | |
| 937 | return ret; |
| 938 | } |
| 939 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 940 | static int wl1251_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 941 | { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 942 | struct wl1251 *wl = hw->priv; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 943 | int ret; |
| 944 | |
Kalle Valo | cee4fd2 | 2009-06-12 14:16:20 +0300 | [diff] [blame] | 945 | mutex_lock(&wl->mutex); |
| 946 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 947 | ret = wl1251_ps_elp_wakeup(wl); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 948 | if (ret < 0) |
| 949 | goto out; |
Kalle Valo | 01d9cfb | 2009-06-12 14:16:26 +0300 | [diff] [blame] | 950 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 951 | ret = wl1251_acx_rts_threshold(wl, (u16) value); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 952 | if (ret < 0) |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 953 | wl1251_warning("wl1251_op_set_rts_threshold failed: %d", ret); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 954 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 955 | wl1251_ps_elp_sleep(wl); |
Kalle Valo | 01d9cfb | 2009-06-12 14:16:26 +0300 | [diff] [blame] | 956 | |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 957 | out: |
Kalle Valo | cee4fd2 | 2009-06-12 14:16:20 +0300 | [diff] [blame] | 958 | mutex_unlock(&wl->mutex); |
| 959 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 960 | return ret; |
| 961 | } |
| 962 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 963 | static void wl1251_op_bss_info_changed(struct ieee80211_hw *hw, |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 964 | struct ieee80211_vif *vif, |
| 965 | struct ieee80211_bss_conf *bss_conf, |
| 966 | u32 changed) |
| 967 | { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 968 | struct wl1251 *wl = hw->priv; |
Kalle Valo | f7f7057 | 2010-01-05 20:16:32 +0200 | [diff] [blame] | 969 | struct sk_buff *beacon, *skb; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 970 | int ret; |
| 971 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 972 | wl1251_debug(DEBUG_MAC80211, "mac80211 bss info changed"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 973 | |
| 974 | mutex_lock(&wl->mutex); |
| 975 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 976 | ret = wl1251_ps_elp_wakeup(wl); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 977 | if (ret < 0) |
| 978 | goto out; |
Kalle Valo | 01d9cfb | 2009-06-12 14:16:26 +0300 | [diff] [blame] | 979 | |
David Gnedt | 8964e49 | 2011-01-30 20:11:00 +0100 | [diff] [blame] | 980 | if (changed & BSS_CHANGED_CQM) { |
| 981 | ret = wl1251_acx_low_rssi(wl, bss_conf->cqm_rssi_thold, |
| 982 | WL1251_DEFAULT_LOW_RSSI_WEIGHT, |
| 983 | WL1251_DEFAULT_LOW_RSSI_DEPTH, |
| 984 | WL1251_ACX_LOW_RSSI_TYPE_EDGE); |
| 985 | if (ret < 0) |
| 986 | goto out; |
| 987 | wl->rssi_thold = bss_conf->cqm_rssi_thold; |
| 988 | } |
| 989 | |
Kalle Valo | de8df1e | 2009-11-26 10:56:06 +0200 | [diff] [blame] | 990 | if (changed & BSS_CHANGED_BSSID) { |
| 991 | memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); |
| 992 | |
Kalle Valo | f7f7057 | 2010-01-05 20:16:32 +0200 | [diff] [blame] | 993 | skb = ieee80211_nullfunc_get(wl->hw, wl->vif); |
| 994 | if (!skb) |
| 995 | goto out_sleep; |
| 996 | |
| 997 | ret = wl1251_cmd_template_set(wl, CMD_NULL_DATA, |
| 998 | skb->data, skb->len); |
| 999 | dev_kfree_skb(skb); |
Kalle Valo | de8df1e | 2009-11-26 10:56:06 +0200 | [diff] [blame] | 1000 | if (ret < 0) |
Kalle Valo | 80a112f | 2010-01-05 20:17:10 +0200 | [diff] [blame] | 1001 | goto out_sleep; |
Kalle Valo | de8df1e | 2009-11-26 10:56:06 +0200 | [diff] [blame] | 1002 | |
Kalle Valo | 8f8ff916 | 2010-01-12 10:43:07 +0200 | [diff] [blame] | 1003 | ret = wl1251_build_qos_null_data(wl); |
| 1004 | if (ret < 0) |
| 1005 | goto out; |
| 1006 | |
Kalle Valo | de8df1e | 2009-11-26 10:56:06 +0200 | [diff] [blame] | 1007 | if (wl->bss_type != BSS_TYPE_IBSS) { |
| 1008 | ret = wl1251_join(wl, wl->bss_type, wl->channel, |
| 1009 | wl->beacon_int, wl->dtim_period); |
| 1010 | if (ret < 0) |
| 1011 | goto out_sleep; |
| 1012 | } |
| 1013 | } |
| 1014 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1015 | if (changed & BSS_CHANGED_ASSOC) { |
| 1016 | if (bss_conf->assoc) { |
Kalle Valo | e2fd461 | 2009-08-07 13:34:12 +0300 | [diff] [blame] | 1017 | wl->beacon_int = bss_conf->beacon_int; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1018 | |
Kalle Valo | f7f7057 | 2010-01-05 20:16:32 +0200 | [diff] [blame] | 1019 | skb = ieee80211_pspoll_get(wl->hw, wl->vif); |
| 1020 | if (!skb) |
| 1021 | goto out_sleep; |
| 1022 | |
| 1023 | ret = wl1251_cmd_template_set(wl, CMD_PS_POLL, |
| 1024 | skb->data, |
| 1025 | skb->len); |
| 1026 | dev_kfree_skb(skb); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1027 | if (ret < 0) |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 1028 | goto out_sleep; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1029 | |
Johannes Berg | 56007a0 | 2010-01-26 14:19:52 +0100 | [diff] [blame] | 1030 | ret = wl1251_acx_aid(wl, bss_conf->aid); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1031 | if (ret < 0) |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 1032 | goto out_sleep; |
Kalle Valo | e2fd461 | 2009-08-07 13:34:12 +0300 | [diff] [blame] | 1033 | } else { |
| 1034 | /* use defaults when not associated */ |
| 1035 | wl->beacon_int = WL1251_DEFAULT_BEACON_INT; |
| 1036 | wl->dtim_period = WL1251_DEFAULT_DTIM_PERIOD; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1037 | } |
| 1038 | } |
| 1039 | if (changed & BSS_CHANGED_ERP_SLOT) { |
| 1040 | if (bss_conf->use_short_slot) |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1041 | ret = wl1251_acx_slot(wl, SLOT_TIME_SHORT); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1042 | else |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1043 | ret = wl1251_acx_slot(wl, SLOT_TIME_LONG); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1044 | if (ret < 0) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1045 | wl1251_warning("Set slot time failed %d", ret); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 1046 | goto out_sleep; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1047 | } |
| 1048 | } |
| 1049 | |
| 1050 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { |
| 1051 | if (bss_conf->use_short_preamble) |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1052 | wl1251_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1053 | else |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1054 | wl1251_acx_set_preamble(wl, ACX_PREAMBLE_LONG); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1055 | } |
| 1056 | |
| 1057 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { |
| 1058 | if (bss_conf->use_cts_prot) |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1059 | ret = wl1251_acx_cts_protect(wl, CTSPROTECT_ENABLE); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1060 | else |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1061 | ret = wl1251_acx_cts_protect(wl, CTSPROTECT_DISABLE); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1062 | if (ret < 0) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1063 | wl1251_warning("Set ctsprotect failed %d", ret); |
Kalle Valo | 80a112f | 2010-01-05 20:17:10 +0200 | [diff] [blame] | 1064 | goto out_sleep; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1065 | } |
| 1066 | } |
| 1067 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1068 | if (changed & BSS_CHANGED_BEACON) { |
| 1069 | beacon = ieee80211_beacon_get(hw, vif); |
Jesper Juhl | 4d048aa | 2011-02-03 21:14:01 +0100 | [diff] [blame] | 1070 | if (!beacon) |
| 1071 | goto out_sleep; |
| 1072 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1073 | ret = wl1251_cmd_template_set(wl, CMD_BEACON, beacon->data, |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1074 | beacon->len); |
| 1075 | |
| 1076 | if (ret < 0) { |
| 1077 | dev_kfree_skb(beacon); |
Kalle Valo | 80a112f | 2010-01-05 20:17:10 +0200 | [diff] [blame] | 1078 | goto out_sleep; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1079 | } |
| 1080 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1081 | ret = wl1251_cmd_template_set(wl, CMD_PROBE_RESP, beacon->data, |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1082 | beacon->len); |
| 1083 | |
| 1084 | dev_kfree_skb(beacon); |
| 1085 | |
| 1086 | if (ret < 0) |
Kalle Valo | 80a112f | 2010-01-05 20:17:10 +0200 | [diff] [blame] | 1087 | goto out_sleep; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1088 | |
Kalle Valo | ae46ae1 | 2009-08-07 13:34:42 +0300 | [diff] [blame] | 1089 | ret = wl1251_join(wl, wl->bss_type, wl->beacon_int, |
| 1090 | wl->channel, wl->dtim_period); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1091 | |
| 1092 | if (ret < 0) |
Kalle Valo | 80a112f | 2010-01-05 20:17:10 +0200 | [diff] [blame] | 1093 | goto out_sleep; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1094 | } |
| 1095 | |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 1096 | out_sleep: |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1097 | wl1251_ps_elp_sleep(wl); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 1098 | |
| 1099 | out: |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1100 | mutex_unlock(&wl->mutex); |
| 1101 | } |
| 1102 | |
| 1103 | |
| 1104 | /* can't be const, mac80211 writes to this */ |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1105 | static struct ieee80211_rate wl1251_rates[] = { |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1106 | { .bitrate = 10, |
| 1107 | .hw_value = 0x1, |
| 1108 | .hw_value_short = 0x1, }, |
| 1109 | { .bitrate = 20, |
| 1110 | .hw_value = 0x2, |
| 1111 | .hw_value_short = 0x2, |
| 1112 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 1113 | { .bitrate = 55, |
| 1114 | .hw_value = 0x4, |
| 1115 | .hw_value_short = 0x4, |
| 1116 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 1117 | { .bitrate = 110, |
| 1118 | .hw_value = 0x20, |
| 1119 | .hw_value_short = 0x20, |
| 1120 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 1121 | { .bitrate = 60, |
| 1122 | .hw_value = 0x8, |
| 1123 | .hw_value_short = 0x8, }, |
| 1124 | { .bitrate = 90, |
| 1125 | .hw_value = 0x10, |
| 1126 | .hw_value_short = 0x10, }, |
| 1127 | { .bitrate = 120, |
| 1128 | .hw_value = 0x40, |
| 1129 | .hw_value_short = 0x40, }, |
| 1130 | { .bitrate = 180, |
| 1131 | .hw_value = 0x80, |
| 1132 | .hw_value_short = 0x80, }, |
| 1133 | { .bitrate = 240, |
| 1134 | .hw_value = 0x200, |
| 1135 | .hw_value_short = 0x200, }, |
| 1136 | { .bitrate = 360, |
| 1137 | .hw_value = 0x400, |
| 1138 | .hw_value_short = 0x400, }, |
| 1139 | { .bitrate = 480, |
| 1140 | .hw_value = 0x800, |
| 1141 | .hw_value_short = 0x800, }, |
| 1142 | { .bitrate = 540, |
| 1143 | .hw_value = 0x1000, |
| 1144 | .hw_value_short = 0x1000, }, |
| 1145 | }; |
| 1146 | |
| 1147 | /* can't be const, mac80211 writes to this */ |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1148 | static struct ieee80211_channel wl1251_channels[] = { |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1149 | { .hw_value = 1, .center_freq = 2412}, |
| 1150 | { .hw_value = 2, .center_freq = 2417}, |
| 1151 | { .hw_value = 3, .center_freq = 2422}, |
| 1152 | { .hw_value = 4, .center_freq = 2427}, |
| 1153 | { .hw_value = 5, .center_freq = 2432}, |
| 1154 | { .hw_value = 6, .center_freq = 2437}, |
| 1155 | { .hw_value = 7, .center_freq = 2442}, |
| 1156 | { .hw_value = 8, .center_freq = 2447}, |
| 1157 | { .hw_value = 9, .center_freq = 2452}, |
| 1158 | { .hw_value = 10, .center_freq = 2457}, |
| 1159 | { .hw_value = 11, .center_freq = 2462}, |
| 1160 | { .hw_value = 12, .center_freq = 2467}, |
| 1161 | { .hw_value = 13, .center_freq = 2472}, |
| 1162 | }; |
| 1163 | |
Eliad Peller | 8a3a3c8 | 2011-10-02 10:15:52 +0200 | [diff] [blame] | 1164 | static int wl1251_op_conf_tx(struct ieee80211_hw *hw, |
| 1165 | struct ieee80211_vif *vif, u16 queue, |
Kalle Valo | 86dff7a | 2009-11-30 10:18:19 +0200 | [diff] [blame] | 1166 | const struct ieee80211_tx_queue_params *params) |
| 1167 | { |
Kalle Valo | 4ff6ffa | 2010-01-12 10:43:15 +0200 | [diff] [blame] | 1168 | enum wl1251_acx_ps_scheme ps_scheme; |
Kalle Valo | 86dff7a | 2009-11-30 10:18:19 +0200 | [diff] [blame] | 1169 | struct wl1251 *wl = hw->priv; |
| 1170 | int ret; |
| 1171 | |
| 1172 | mutex_lock(&wl->mutex); |
| 1173 | |
| 1174 | wl1251_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); |
| 1175 | |
| 1176 | ret = wl1251_ps_elp_wakeup(wl); |
| 1177 | if (ret < 0) |
| 1178 | goto out; |
| 1179 | |
Kalle Valo | 8535949 | 2010-02-04 15:33:25 +0200 | [diff] [blame] | 1180 | /* mac80211 uses units of 32 usec */ |
Kalle Valo | 86dff7a | 2009-11-30 10:18:19 +0200 | [diff] [blame] | 1181 | ret = wl1251_acx_ac_cfg(wl, wl1251_tx_get_queue(queue), |
| 1182 | params->cw_min, params->cw_max, |
Kalle Valo | 8535949 | 2010-02-04 15:33:25 +0200 | [diff] [blame] | 1183 | params->aifs, params->txop * 32); |
Kalle Valo | 27336f1 | 2009-11-30 10:18:27 +0200 | [diff] [blame] | 1184 | if (ret < 0) |
| 1185 | goto out_sleep; |
Kalle Valo | 86dff7a | 2009-11-30 10:18:19 +0200 | [diff] [blame] | 1186 | |
Kalle Valo | 4ff6ffa | 2010-01-12 10:43:15 +0200 | [diff] [blame] | 1187 | if (params->uapsd) |
| 1188 | ps_scheme = WL1251_ACX_PS_SCHEME_UPSD_TRIGGER; |
| 1189 | else |
| 1190 | ps_scheme = WL1251_ACX_PS_SCHEME_LEGACY; |
| 1191 | |
Kalle Valo | 27336f1 | 2009-11-30 10:18:27 +0200 | [diff] [blame] | 1192 | ret = wl1251_acx_tid_cfg(wl, wl1251_tx_get_queue(queue), |
Kalle Valo | 49e1b9f | 2009-11-30 10:18:33 +0200 | [diff] [blame] | 1193 | CHANNEL_TYPE_EDCF, |
Kalle Valo | 4ff6ffa | 2010-01-12 10:43:15 +0200 | [diff] [blame] | 1194 | wl1251_tx_get_queue(queue), ps_scheme, |
Kalle Valo | 27336f1 | 2009-11-30 10:18:27 +0200 | [diff] [blame] | 1195 | WL1251_ACX_ACK_POLICY_LEGACY); |
| 1196 | if (ret < 0) |
| 1197 | goto out_sleep; |
| 1198 | |
| 1199 | out_sleep: |
Kalle Valo | 86dff7a | 2009-11-30 10:18:19 +0200 | [diff] [blame] | 1200 | wl1251_ps_elp_sleep(wl); |
| 1201 | |
| 1202 | out: |
| 1203 | mutex_unlock(&wl->mutex); |
| 1204 | |
| 1205 | return ret; |
| 1206 | } |
| 1207 | |
John W. Linville | 1943414 | 2010-07-28 15:23:30 -0400 | [diff] [blame] | 1208 | static int wl1251_op_get_survey(struct ieee80211_hw *hw, int idx, |
| 1209 | struct survey_info *survey) |
| 1210 | { |
| 1211 | struct wl1251 *wl = hw->priv; |
| 1212 | struct ieee80211_conf *conf = &hw->conf; |
| 1213 | |
| 1214 | if (idx != 0) |
| 1215 | return -ENOENT; |
| 1216 | |
| 1217 | survey->channel = conf->channel; |
| 1218 | survey->filled = SURVEY_INFO_NOISE_DBM; |
| 1219 | survey->noise = wl->noise; |
| 1220 | |
| 1221 | return 0; |
| 1222 | } |
| 1223 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1224 | /* can't be const, mac80211 writes to this */ |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1225 | static struct ieee80211_supported_band wl1251_band_2ghz = { |
| 1226 | .channels = wl1251_channels, |
| 1227 | .n_channels = ARRAY_SIZE(wl1251_channels), |
| 1228 | .bitrates = wl1251_rates, |
| 1229 | .n_bitrates = ARRAY_SIZE(wl1251_rates), |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1230 | }; |
| 1231 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1232 | static const struct ieee80211_ops wl1251_ops = { |
| 1233 | .start = wl1251_op_start, |
| 1234 | .stop = wl1251_op_stop, |
| 1235 | .add_interface = wl1251_op_add_interface, |
| 1236 | .remove_interface = wl1251_op_remove_interface, |
| 1237 | .config = wl1251_op_config, |
| 1238 | .configure_filter = wl1251_op_configure_filter, |
| 1239 | .tx = wl1251_op_tx, |
| 1240 | .set_key = wl1251_op_set_key, |
| 1241 | .hw_scan = wl1251_op_hw_scan, |
| 1242 | .bss_info_changed = wl1251_op_bss_info_changed, |
| 1243 | .set_rts_threshold = wl1251_op_set_rts_threshold, |
Kalle Valo | 86dff7a | 2009-11-30 10:18:19 +0200 | [diff] [blame] | 1244 | .conf_tx = wl1251_op_conf_tx, |
John W. Linville | 1943414 | 2010-07-28 15:23:30 -0400 | [diff] [blame] | 1245 | .get_survey = wl1251_op_get_survey, |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1246 | }; |
| 1247 | |
Grazvydas Ignotas | 61c2a80 | 2010-04-14 13:05:48 +0300 | [diff] [blame] | 1248 | static int wl1251_read_eeprom_byte(struct wl1251 *wl, off_t offset, u8 *data) |
| 1249 | { |
| 1250 | unsigned long timeout; |
| 1251 | |
| 1252 | wl1251_reg_write32(wl, EE_ADDR, offset); |
| 1253 | wl1251_reg_write32(wl, EE_CTL, EE_CTL_READ); |
| 1254 | |
| 1255 | /* EE_CTL_READ clears when data is ready */ |
| 1256 | timeout = jiffies + msecs_to_jiffies(100); |
| 1257 | while (1) { |
| 1258 | if (!(wl1251_reg_read32(wl, EE_CTL) & EE_CTL_READ)) |
| 1259 | break; |
| 1260 | |
| 1261 | if (time_after(jiffies, timeout)) |
| 1262 | return -ETIMEDOUT; |
| 1263 | |
| 1264 | msleep(1); |
| 1265 | } |
| 1266 | |
| 1267 | *data = wl1251_reg_read32(wl, EE_DATA); |
| 1268 | return 0; |
| 1269 | } |
| 1270 | |
| 1271 | static int wl1251_read_eeprom(struct wl1251 *wl, off_t offset, |
| 1272 | u8 *data, size_t len) |
| 1273 | { |
| 1274 | size_t i; |
| 1275 | int ret; |
| 1276 | |
| 1277 | wl1251_reg_write32(wl, EE_START, 0); |
| 1278 | |
| 1279 | for (i = 0; i < len; i++) { |
| 1280 | ret = wl1251_read_eeprom_byte(wl, offset + i, &data[i]); |
| 1281 | if (ret < 0) |
| 1282 | return ret; |
| 1283 | } |
| 1284 | |
| 1285 | return 0; |
| 1286 | } |
| 1287 | |
| 1288 | static int wl1251_read_eeprom_mac(struct wl1251 *wl) |
| 1289 | { |
| 1290 | u8 mac[ETH_ALEN]; |
| 1291 | int i, ret; |
| 1292 | |
| 1293 | wl1251_set_partition(wl, 0, 0, REGISTERS_BASE, REGISTERS_DOWN_SIZE); |
| 1294 | |
| 1295 | ret = wl1251_read_eeprom(wl, 0x1c, mac, sizeof(mac)); |
| 1296 | if (ret < 0) { |
| 1297 | wl1251_warning("failed to read MAC address from EEPROM"); |
| 1298 | return ret; |
| 1299 | } |
| 1300 | |
| 1301 | /* MAC is stored in reverse order */ |
| 1302 | for (i = 0; i < ETH_ALEN; i++) |
| 1303 | wl->mac_addr[i] = mac[ETH_ALEN - i - 1]; |
| 1304 | |
| 1305 | return 0; |
| 1306 | } |
| 1307 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1308 | static int wl1251_register_hw(struct wl1251 *wl) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1309 | { |
| 1310 | int ret; |
| 1311 | |
| 1312 | if (wl->mac80211_registered) |
| 1313 | return 0; |
| 1314 | |
| 1315 | SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); |
| 1316 | |
| 1317 | ret = ieee80211_register_hw(wl->hw); |
| 1318 | if (ret < 0) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1319 | wl1251_error("unable to register mac80211 hw: %d", ret); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1320 | return ret; |
| 1321 | } |
| 1322 | |
| 1323 | wl->mac80211_registered = true; |
| 1324 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1325 | wl1251_notice("loaded"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1326 | |
| 1327 | return 0; |
| 1328 | } |
| 1329 | |
Bob Copeland | 8e639c0 | 2009-08-07 13:33:26 +0300 | [diff] [blame] | 1330 | int wl1251_init_ieee80211(struct wl1251 *wl) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1331 | { |
Bob Copeland | 8e639c0 | 2009-08-07 13:33:26 +0300 | [diff] [blame] | 1332 | int ret; |
| 1333 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1334 | /* The tx descriptor buffer and the TKIP space */ |
| 1335 | wl->hw->extra_tx_headroom = sizeof(struct tx_double_buffer_desc) |
Juuso Oikarinen | 9f2ad4f | 2009-06-12 14:15:54 +0300 | [diff] [blame] | 1336 | + WL1251_TKIP_IV_SPACE; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1337 | |
| 1338 | /* unit us */ |
| 1339 | /* FIXME: find a proper value */ |
| 1340 | wl->hw->channel_change_time = 10000; |
| 1341 | |
| 1342 | wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | |
Juuso Oikarinen | 6b21a2c | 2009-11-17 18:48:30 +0200 | [diff] [blame] | 1343 | IEEE80211_HW_SUPPORTS_PS | |
Johannes Berg | ea08635 | 2012-01-19 09:29:58 +0100 | [diff] [blame] | 1344 | IEEE80211_HW_SUPPORTS_UAPSD; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1345 | |
David Gnedt | 43d1364 | 2011-01-30 20:11:04 +0100 | [diff] [blame] | 1346 | wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
| 1347 | BIT(NL80211_IFTYPE_ADHOC); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1348 | wl->hw->wiphy->max_scan_ssids = 1; |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1349 | wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1251_band_2ghz; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1350 | |
Kalle Valo | da2fb4e | 2009-11-30 10:18:47 +0200 | [diff] [blame] | 1351 | wl->hw->queues = 4; |
| 1352 | |
Grazvydas Ignotas | 61c2a80 | 2010-04-14 13:05:48 +0300 | [diff] [blame] | 1353 | if (wl->use_eeprom) |
| 1354 | wl1251_read_eeprom_mac(wl); |
| 1355 | |
Bob Copeland | 8e639c0 | 2009-08-07 13:33:26 +0300 | [diff] [blame] | 1356 | ret = wl1251_register_hw(wl); |
| 1357 | if (ret) |
| 1358 | goto out; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1359 | |
Bob Copeland | 8e639c0 | 2009-08-07 13:33:26 +0300 | [diff] [blame] | 1360 | wl1251_debugfs_init(wl); |
| 1361 | wl1251_notice("initialized"); |
| 1362 | |
| 1363 | ret = 0; |
| 1364 | |
| 1365 | out: |
| 1366 | return ret; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1367 | } |
Bob Copeland | af8c78e | 2009-08-07 13:33:34 +0300 | [diff] [blame] | 1368 | EXPORT_SYMBOL_GPL(wl1251_init_ieee80211); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1369 | |
Bob Copeland | 8e639c0 | 2009-08-07 13:33:26 +0300 | [diff] [blame] | 1370 | struct ieee80211_hw *wl1251_alloc_hw(void) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1371 | { |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1372 | struct ieee80211_hw *hw; |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1373 | struct wl1251 *wl; |
Bob Copeland | 8e639c0 | 2009-08-07 13:33:26 +0300 | [diff] [blame] | 1374 | int i; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1375 | static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf}; |
| 1376 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1377 | hw = ieee80211_alloc_hw(sizeof(*wl), &wl1251_ops); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1378 | if (!hw) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1379 | wl1251_error("could not alloc ieee80211_hw"); |
Bob Copeland | 8e639c0 | 2009-08-07 13:33:26 +0300 | [diff] [blame] | 1380 | return ERR_PTR(-ENOMEM); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1381 | } |
| 1382 | |
| 1383 | wl = hw->priv; |
| 1384 | memset(wl, 0, sizeof(*wl)); |
| 1385 | |
| 1386 | wl->hw = hw; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1387 | |
| 1388 | wl->data_in_count = 0; |
| 1389 | |
| 1390 | skb_queue_head_init(&wl->tx_queue); |
| 1391 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1392 | INIT_WORK(&wl->filter_work, wl1251_filter_work); |
Juuso Oikarinen | d5da79a | 2009-11-17 18:48:37 +0200 | [diff] [blame] | 1393 | INIT_DELAYED_WORK(&wl->elp_work, wl1251_elp_work); |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1394 | wl->channel = WL1251_DEFAULT_CHANNEL; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1395 | wl->scanning = false; |
| 1396 | wl->default_key = 0; |
| 1397 | wl->listen_int = 1; |
| 1398 | wl->rx_counter = 0; |
| 1399 | wl->rx_handled = 0; |
| 1400 | wl->rx_current_buffer = 0; |
| 1401 | wl->rx_last_id = 0; |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1402 | wl->rx_config = WL1251_DEFAULT_RX_CONFIG; |
| 1403 | wl->rx_filter = WL1251_DEFAULT_RX_FILTER; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1404 | wl->elp = false; |
Jarkko Nikula | a0bbb58 | 2011-04-04 11:04:57 +0300 | [diff] [blame] | 1405 | wl->station_mode = STATION_ACTIVE_MODE; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1406 | wl->psm_requested = false; |
| 1407 | wl->tx_queue_stopped = false; |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1408 | wl->power_level = WL1251_DEFAULT_POWER_LEVEL; |
David Gnedt | 8964e49 | 2011-01-30 20:11:00 +0100 | [diff] [blame] | 1409 | wl->rssi_thold = 0; |
Kalle Valo | e2fd461 | 2009-08-07 13:34:12 +0300 | [diff] [blame] | 1410 | wl->beacon_int = WL1251_DEFAULT_BEACON_INT; |
| 1411 | wl->dtim_period = WL1251_DEFAULT_DTIM_PERIOD; |
Juuso Oikarinen | 287f6f9 | 2009-11-17 18:48:23 +0200 | [diff] [blame] | 1412 | wl->vif = NULL; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1413 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1414 | for (i = 0; i < FW_TX_CMPLT_BLOCK_SIZE; i++) |
| 1415 | wl->tx_frames[i] = NULL; |
| 1416 | |
| 1417 | wl->next_tx_complete = 0; |
| 1418 | |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 1419 | INIT_WORK(&wl->irq_work, wl1251_irq_work); |
| 1420 | INIT_WORK(&wl->tx_work, wl1251_tx_work); |
| 1421 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1422 | /* |
| 1423 | * In case our MAC address is not correctly set, |
| 1424 | * we use a random but Nokia MAC. |
| 1425 | */ |
| 1426 | memcpy(wl->mac_addr, nokia_oui, 3); |
| 1427 | get_random_bytes(wl->mac_addr + 3, 3); |
| 1428 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1429 | wl->state = WL1251_STATE_OFF; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1430 | mutex_init(&wl->mutex); |
| 1431 | |
| 1432 | wl->tx_mgmt_frm_rate = DEFAULT_HW_GEN_TX_RATE; |
| 1433 | wl->tx_mgmt_frm_mod = DEFAULT_HW_GEN_MODULATION_TYPE; |
| 1434 | |
Kalle Valo | 4721213 | 2009-06-12 14:15:08 +0300 | [diff] [blame] | 1435 | wl->rx_descriptor = kmalloc(sizeof(*wl->rx_descriptor), GFP_KERNEL); |
| 1436 | if (!wl->rx_descriptor) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1437 | wl1251_error("could not allocate memory for rx descriptor"); |
Bob Copeland | 8e639c0 | 2009-08-07 13:33:26 +0300 | [diff] [blame] | 1438 | ieee80211_free_hw(hw); |
| 1439 | return ERR_PTR(-ENOMEM); |
Kalle Valo | 4721213 | 2009-06-12 14:15:08 +0300 | [diff] [blame] | 1440 | } |
| 1441 | |
Bob Copeland | 8e639c0 | 2009-08-07 13:33:26 +0300 | [diff] [blame] | 1442 | return hw; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1443 | } |
Bob Copeland | af8c78e | 2009-08-07 13:33:34 +0300 | [diff] [blame] | 1444 | EXPORT_SYMBOL_GPL(wl1251_alloc_hw); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1445 | |
Bob Copeland | 8e639c0 | 2009-08-07 13:33:26 +0300 | [diff] [blame] | 1446 | int wl1251_free_hw(struct wl1251 *wl) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1447 | { |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1448 | ieee80211_unregister_hw(wl->hw); |
| 1449 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1450 | wl1251_debugfs_exit(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1451 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1452 | kfree(wl->target_mem_map); |
| 1453 | kfree(wl->data_path); |
Kalle Valo | c74ddfd | 2009-11-17 18:48:45 +0200 | [diff] [blame] | 1454 | vfree(wl->fw); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1455 | wl->fw = NULL; |
| 1456 | kfree(wl->nvs); |
| 1457 | wl->nvs = NULL; |
Kalle Valo | 4721213 | 2009-06-12 14:15:08 +0300 | [diff] [blame] | 1458 | |
| 1459 | kfree(wl->rx_descriptor); |
| 1460 | wl->rx_descriptor = NULL; |
| 1461 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1462 | ieee80211_free_hw(wl->hw); |
| 1463 | |
| 1464 | return 0; |
| 1465 | } |
Bob Copeland | af8c78e | 2009-08-07 13:33:34 +0300 | [diff] [blame] | 1466 | EXPORT_SYMBOL_GPL(wl1251_free_hw); |
| 1467 | |
| 1468 | MODULE_DESCRIPTION("TI wl1251 Wireles LAN Driver Core"); |
| 1469 | MODULE_LICENSE("GPL"); |
Kalle Valo | 31c726f | 2010-08-22 22:46:15 +0300 | [diff] [blame] | 1470 | MODULE_AUTHOR("Kalle Valo <kvalo@adurom.com>"); |
Ben Hutchings | 49f146d | 2009-11-07 22:02:15 +0000 | [diff] [blame] | 1471 | MODULE_FIRMWARE(WL1251_FW_NAME); |