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> |
David Gnedt | 9ed74ba | 2014-01-07 13:08:30 +0100 | [diff] [blame] | 31 | #include <linux/netdevice.h> |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 32 | |
Kalle Valo | 1367411 | 2009-06-12 14:17:25 +0300 | [diff] [blame] | 33 | #include "wl1251.h" |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 34 | #include "wl12xx_80211.h" |
Kalle Valo | 9bc6772 | 2010-10-10 11:28:32 +0300 | [diff] [blame] | 35 | #include "reg.h" |
| 36 | #include "io.h" |
| 37 | #include "cmd.h" |
| 38 | #include "event.h" |
| 39 | #include "tx.h" |
| 40 | #include "rx.h" |
| 41 | #include "ps.h" |
| 42 | #include "init.h" |
| 43 | #include "debugfs.h" |
| 44 | #include "boot.h" |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 45 | |
Bob Copeland | b5ed9c1 | 2009-08-07 13:33:49 +0300 | [diff] [blame] | 46 | void wl1251_enable_interrupts(struct wl1251 *wl) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 47 | { |
Bob Copeland | b5ed9c1 | 2009-08-07 13:33:49 +0300 | [diff] [blame] | 48 | wl->if_ops->enable_irq(wl); |
| 49 | } |
| 50 | |
| 51 | void wl1251_disable_interrupts(struct wl1251 *wl) |
| 52 | { |
| 53 | wl->if_ops->disable_irq(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 54 | } |
| 55 | |
Grazvydas Ignotas | cb7bbc7 | 2010-11-04 00:13:47 +0200 | [diff] [blame] | 56 | static int wl1251_power_off(struct wl1251 *wl) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 57 | { |
Grazvydas Ignotas | cb7bbc7 | 2010-11-04 00:13:47 +0200 | [diff] [blame] | 58 | return wl->if_ops->power(wl, false); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 59 | } |
| 60 | |
Grazvydas Ignotas | cb7bbc7 | 2010-11-04 00:13:47 +0200 | [diff] [blame] | 61 | static int wl1251_power_on(struct wl1251 *wl) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 62 | { |
Grazvydas Ignotas | cb7bbc7 | 2010-11-04 00:13:47 +0200 | [diff] [blame] | 63 | return wl->if_ops->power(wl, true); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 64 | } |
| 65 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 66 | static int wl1251_fetch_firmware(struct wl1251 *wl) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 67 | { |
| 68 | const struct firmware *fw; |
Bob Copeland | 6c766f4 | 2009-08-07 13:33:04 +0300 | [diff] [blame] | 69 | struct device *dev = wiphy_dev(wl->hw->wiphy); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 70 | int ret; |
| 71 | |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 72 | ret = request_firmware(&fw, WL1251_FW_NAME, dev); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 73 | |
| 74 | if (ret < 0) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 75 | wl1251_error("could not get firmware: %d", ret); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 76 | return ret; |
| 77 | } |
| 78 | |
| 79 | if (fw->size % 4) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 80 | wl1251_error("firmware size is not multiple of 32 bits: %zu", |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 81 | fw->size); |
| 82 | ret = -EILSEQ; |
| 83 | goto out; |
| 84 | } |
| 85 | |
| 86 | wl->fw_len = fw->size; |
Kalle Valo | c74ddfd | 2009-11-17 18:48:45 +0200 | [diff] [blame] | 87 | wl->fw = vmalloc(wl->fw_len); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 88 | |
| 89 | if (!wl->fw) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 90 | wl1251_error("could not allocate memory for the firmware"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 91 | ret = -ENOMEM; |
| 92 | goto out; |
| 93 | } |
| 94 | |
| 95 | memcpy(wl->fw, fw->data, wl->fw_len); |
| 96 | |
| 97 | ret = 0; |
| 98 | |
| 99 | out: |
| 100 | release_firmware(fw); |
| 101 | |
| 102 | return ret; |
| 103 | } |
| 104 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 105 | static int wl1251_fetch_nvs(struct wl1251 *wl) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 106 | { |
| 107 | const struct firmware *fw; |
Bob Copeland | 6c766f4 | 2009-08-07 13:33:04 +0300 | [diff] [blame] | 108 | struct device *dev = wiphy_dev(wl->hw->wiphy); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 109 | int ret; |
| 110 | |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 111 | ret = request_firmware(&fw, WL1251_NVS_NAME, dev); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 112 | |
| 113 | if (ret < 0) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 114 | wl1251_error("could not get nvs file: %d", ret); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 115 | return ret; |
| 116 | } |
| 117 | |
| 118 | if (fw->size % 4) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 119 | wl1251_error("nvs size is not multiple of 32 bits: %zu", |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 120 | fw->size); |
| 121 | ret = -EILSEQ; |
| 122 | goto out; |
| 123 | } |
| 124 | |
| 125 | wl->nvs_len = fw->size; |
Julia Lawall | 80caf60 | 2010-05-15 23:15:10 +0200 | [diff] [blame] | 126 | wl->nvs = kmemdup(fw->data, wl->nvs_len, GFP_KERNEL); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 127 | |
| 128 | if (!wl->nvs) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 129 | wl1251_error("could not allocate memory for the nvs file"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 130 | ret = -ENOMEM; |
| 131 | goto out; |
| 132 | } |
| 133 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 134 | ret = 0; |
| 135 | |
| 136 | out: |
| 137 | release_firmware(fw); |
| 138 | |
| 139 | return ret; |
| 140 | } |
| 141 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 142 | static void wl1251_fw_wakeup(struct wl1251 *wl) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 143 | { |
| 144 | u32 elp_reg; |
| 145 | |
| 146 | elp_reg = ELPCTRL_WAKE_UP; |
Grazvydas Ignotas | 3f9e750 | 2010-03-11 17:44:57 +0200 | [diff] [blame] | 147 | wl1251_write_elp(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); |
| 148 | elp_reg = wl1251_read_elp(wl, HW_ACCESS_ELP_CTRL_REG_ADDR); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 149 | |
Kalle Valo | 05fac68 | 2009-06-12 14:17:47 +0300 | [diff] [blame] | 150 | if (!(elp_reg & ELPCTRL_WLAN_READY)) |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 151 | wl1251_warning("WLAN not ready"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 152 | } |
| 153 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 154 | static int wl1251_chip_wakeup(struct wl1251 *wl) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 155 | { |
Grazvydas Ignotas | cb7bbc7 | 2010-11-04 00:13:47 +0200 | [diff] [blame] | 156 | int ret; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 157 | |
Grazvydas Ignotas | cb7bbc7 | 2010-11-04 00:13:47 +0200 | [diff] [blame] | 158 | ret = wl1251_power_on(wl); |
| 159 | if (ret < 0) |
| 160 | return ret; |
| 161 | |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 162 | msleep(WL1251_POWER_ON_SLEEP); |
Bob Copeland | 08d9f572 | 2009-08-07 13:33:11 +0300 | [diff] [blame] | 163 | wl->if_ops->reset(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 164 | |
| 165 | /* We don't need a real memory partition here, because we only want |
| 166 | * to use the registers at this point. */ |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 167 | wl1251_set_partition(wl, |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 168 | 0x00000000, |
| 169 | 0x00000000, |
| 170 | REGISTERS_BASE, |
| 171 | REGISTERS_DOWN_SIZE); |
| 172 | |
| 173 | /* ELP module wake up */ |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 174 | wl1251_fw_wakeup(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 175 | |
| 176 | /* whal_FwCtrl_BootSm() */ |
| 177 | |
| 178 | /* 0. read chip id from CHIP_ID */ |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 179 | wl->chip_id = wl1251_reg_read32(wl, CHIP_ID_B); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 180 | |
| 181 | /* 1. check if chip id is valid */ |
| 182 | |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 183 | switch (wl->chip_id) { |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 184 | case CHIP_ID_1251_PG12: |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 185 | wl1251_debug(DEBUG_BOOT, "chip id 0x%x (1251 PG12)", |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 186 | wl->chip_id); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 187 | break; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 188 | case CHIP_ID_1251_PG11: |
David-John Willis | 2c759e0 | 2009-10-15 14:38:16 +0100 | [diff] [blame] | 189 | wl1251_debug(DEBUG_BOOT, "chip id 0x%x (1251 PG11)", |
| 190 | wl->chip_id); |
| 191 | break; |
John W. Linville | 9a493e8 | 2009-10-27 15:15:05 -0400 | [diff] [blame] | 192 | case CHIP_ID_1251_PG10: |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 193 | default: |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 194 | wl1251_error("unsupported chip id: 0x%x", wl->chip_id); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 195 | ret = -ENODEV; |
| 196 | goto out; |
| 197 | } |
| 198 | |
| 199 | if (wl->fw == NULL) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 200 | ret = wl1251_fetch_firmware(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 201 | if (ret < 0) |
| 202 | goto out; |
| 203 | } |
| 204 | |
Grazvydas Ignotas | afa5ec2 | 2010-04-13 01:21:40 +0300 | [diff] [blame] | 205 | if (wl->nvs == NULL && !wl->use_eeprom) { |
| 206 | /* No NVS from netlink, try to get it from the filesystem */ |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 207 | ret = wl1251_fetch_nvs(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 208 | if (ret < 0) |
| 209 | goto out; |
| 210 | } |
| 211 | |
| 212 | out: |
| 213 | return ret; |
| 214 | } |
| 215 | |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 216 | #define WL1251_IRQ_LOOP_COUNT 10 |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 217 | static void wl1251_irq_work(struct work_struct *work) |
| 218 | { |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 219 | u32 intr, ctr = WL1251_IRQ_LOOP_COUNT; |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 220 | struct wl1251 *wl = |
| 221 | container_of(work, struct wl1251, irq_work); |
| 222 | int ret; |
| 223 | |
| 224 | mutex_lock(&wl->mutex); |
| 225 | |
| 226 | wl1251_debug(DEBUG_IRQ, "IRQ work"); |
| 227 | |
| 228 | if (wl->state == WL1251_STATE_OFF) |
| 229 | goto out; |
| 230 | |
| 231 | ret = wl1251_ps_elp_wakeup(wl); |
| 232 | if (ret < 0) |
| 233 | goto out; |
| 234 | |
| 235 | wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK, WL1251_ACX_INTR_ALL); |
| 236 | |
| 237 | intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR); |
| 238 | wl1251_debug(DEBUG_IRQ, "intr: 0x%x", intr); |
| 239 | |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 240 | do { |
| 241 | if (wl->data_path) { |
| 242 | wl->rx_counter = wl1251_mem_read32( |
| 243 | wl, wl->data_path->rx_control_addr); |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 244 | |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 245 | /* We handle a frmware bug here */ |
| 246 | switch ((wl->rx_counter - wl->rx_handled) & 0xf) { |
| 247 | case 0: |
| 248 | wl1251_debug(DEBUG_IRQ, |
| 249 | "RX: FW and host in sync"); |
| 250 | intr &= ~WL1251_ACX_INTR_RX0_DATA; |
| 251 | intr &= ~WL1251_ACX_INTR_RX1_DATA; |
| 252 | break; |
| 253 | case 1: |
| 254 | wl1251_debug(DEBUG_IRQ, "RX: FW +1"); |
| 255 | intr |= WL1251_ACX_INTR_RX0_DATA; |
| 256 | intr &= ~WL1251_ACX_INTR_RX1_DATA; |
| 257 | break; |
| 258 | case 2: |
| 259 | wl1251_debug(DEBUG_IRQ, "RX: FW +2"); |
| 260 | intr |= WL1251_ACX_INTR_RX0_DATA; |
| 261 | intr |= WL1251_ACX_INTR_RX1_DATA; |
| 262 | break; |
| 263 | default: |
| 264 | wl1251_warning( |
| 265 | "RX: FW and host out of sync: %d", |
| 266 | wl->rx_counter - wl->rx_handled); |
| 267 | break; |
| 268 | } |
| 269 | |
| 270 | wl->rx_handled = wl->rx_counter; |
| 271 | |
| 272 | wl1251_debug(DEBUG_IRQ, "RX counter: %d", |
| 273 | wl->rx_counter); |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 274 | } |
| 275 | |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 276 | intr &= wl->intr_mask; |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 277 | |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 278 | if (intr == 0) { |
| 279 | wl1251_debug(DEBUG_IRQ, "INTR is 0"); |
| 280 | goto out_sleep; |
| 281 | } |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 282 | |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 283 | if (intr & WL1251_ACX_INTR_RX0_DATA) { |
| 284 | wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX0_DATA"); |
| 285 | wl1251_rx(wl); |
| 286 | } |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 287 | |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 288 | if (intr & WL1251_ACX_INTR_RX1_DATA) { |
| 289 | wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX1_DATA"); |
| 290 | wl1251_rx(wl); |
| 291 | } |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 292 | |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 293 | if (intr & WL1251_ACX_INTR_TX_RESULT) { |
| 294 | wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_TX_RESULT"); |
| 295 | wl1251_tx_complete(wl); |
| 296 | } |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 297 | |
Grazvydas Ignotas | d41776fa | 2010-08-17 22:46:53 +0300 | [diff] [blame] | 298 | if (intr & WL1251_ACX_INTR_EVENT_A) { |
| 299 | wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_EVENT_A"); |
| 300 | wl1251_event_handle(wl, 0); |
| 301 | } |
| 302 | |
| 303 | if (intr & WL1251_ACX_INTR_EVENT_B) { |
| 304 | wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_EVENT_B"); |
| 305 | wl1251_event_handle(wl, 1); |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 306 | } |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 307 | |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 308 | if (intr & WL1251_ACX_INTR_INIT_COMPLETE) |
| 309 | wl1251_debug(DEBUG_IRQ, |
| 310 | "WL1251_ACX_INTR_INIT_COMPLETE"); |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 311 | |
Juuso Oikarinen | 79553f8 | 2009-11-17 18:49:46 +0200 | [diff] [blame] | 312 | if (--ctr == 0) |
| 313 | break; |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 314 | |
Juuso Oikarinen | 79553f8 | 2009-11-17 18:49:46 +0200 | [diff] [blame] | 315 | intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR); |
| 316 | } while (intr); |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 317 | |
| 318 | out_sleep: |
Janne Ylalehto | dcea4db | 2009-11-17 18:49:31 +0200 | [diff] [blame] | 319 | wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK, ~(wl->intr_mask)); |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 320 | wl1251_ps_elp_sleep(wl); |
| 321 | |
| 322 | out: |
| 323 | mutex_unlock(&wl->mutex); |
| 324 | } |
| 325 | |
Kalle Valo | ae46ae1 | 2009-08-07 13:34:42 +0300 | [diff] [blame] | 326 | static int wl1251_join(struct wl1251 *wl, u8 bss_type, u8 channel, |
| 327 | u16 beacon_interval, u8 dtim_period) |
| 328 | { |
| 329 | int ret; |
| 330 | |
| 331 | ret = wl1251_acx_frame_rates(wl, DEFAULT_HW_GEN_TX_RATE, |
| 332 | DEFAULT_HW_GEN_MODULATION_TYPE, |
| 333 | wl->tx_mgmt_frm_rate, |
| 334 | wl->tx_mgmt_frm_mod); |
| 335 | if (ret < 0) |
| 336 | goto out; |
| 337 | |
Grazvydas Ignotas | a2d2bb8 | 2012-06-16 22:31:49 +0300 | [diff] [blame] | 338 | /* |
| 339 | * Join command applies filters, and if we are not associated, |
| 340 | * BSSID filter must be disabled for association to work. |
| 341 | */ |
| 342 | if (is_zero_ether_addr(wl->bssid)) |
| 343 | wl->rx_config &= ~CFG_BSSID_FILTER_EN; |
Kalle Valo | ae46ae1 | 2009-08-07 13:34:42 +0300 | [diff] [blame] | 344 | |
| 345 | ret = wl1251_cmd_join(wl, bss_type, channel, beacon_interval, |
| 346 | dtim_period); |
| 347 | if (ret < 0) |
| 348 | goto out; |
| 349 | |
Grazvydas Ignotas | 7273b97 | 2010-08-17 22:46:55 +0300 | [diff] [blame] | 350 | ret = wl1251_event_wait(wl, JOIN_EVENT_COMPLETE_ID, 100); |
| 351 | if (ret < 0) |
| 352 | wl1251_warning("join timeout"); |
Kalle Valo | ae46ae1 | 2009-08-07 13:34:42 +0300 | [diff] [blame] | 353 | |
| 354 | out: |
| 355 | return ret; |
| 356 | } |
| 357 | |
Thomas Huehn | 36323f8 | 2012-07-23 21:33:42 +0200 | [diff] [blame] | 358 | static void wl1251_op_tx(struct ieee80211_hw *hw, |
| 359 | struct ieee80211_tx_control *control, |
| 360 | struct sk_buff *skb) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 361 | { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 362 | struct wl1251 *wl = hw->priv; |
Denis 'GNUtoo' Carikli | 9df86e2 | 2010-08-27 23:48:19 +0200 | [diff] [blame] | 363 | unsigned long flags; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 364 | |
| 365 | skb_queue_tail(&wl->tx_queue, skb); |
| 366 | |
Juuso Oikarinen | 9f2ad4f | 2009-06-12 14:15:54 +0300 | [diff] [blame] | 367 | /* |
| 368 | * The chip specific setup must run before the first TX packet - |
| 369 | * before that, the tx_work will not be initialized! |
| 370 | */ |
| 371 | |
Kalle Valo | 16e711f | 2009-08-07 13:35:04 +0300 | [diff] [blame] | 372 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 373 | |
| 374 | /* |
| 375 | * The workqueue is slow to process the tx_queue and we need stop |
| 376 | * the queue here, otherwise the queue will get too long. |
| 377 | */ |
Denis 'GNUtoo' Carikli | 9df86e2 | 2010-08-27 23:48:19 +0200 | [diff] [blame] | 378 | if (skb_queue_len(&wl->tx_queue) >= WL1251_TX_QUEUE_HIGH_WATERMARK) { |
Kalle Valo | d67e261 | 2009-11-30 10:17:45 +0200 | [diff] [blame] | 379 | wl1251_debug(DEBUG_TX, "op_tx: tx_queue full, stop queues"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 380 | |
Denis 'GNUtoo' Carikli | 9df86e2 | 2010-08-27 23:48:19 +0200 | [diff] [blame] | 381 | spin_lock_irqsave(&wl->wl_lock, flags); |
| 382 | ieee80211_stop_queues(wl->hw); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 383 | wl->tx_queue_stopped = true; |
Denis 'GNUtoo' Carikli | 9df86e2 | 2010-08-27 23:48:19 +0200 | [diff] [blame] | 384 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 385 | } |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 386 | } |
| 387 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 388 | static int wl1251_op_start(struct ieee80211_hw *hw) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 389 | { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 390 | struct wl1251 *wl = hw->priv; |
John W. Linville | 8b28e82 | 2010-07-28 16:59:41 -0400 | [diff] [blame] | 391 | struct wiphy *wiphy = hw->wiphy; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 392 | int ret = 0; |
| 393 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 394 | wl1251_debug(DEBUG_MAC80211, "mac80211 start"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 395 | |
| 396 | mutex_lock(&wl->mutex); |
| 397 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 398 | if (wl->state != WL1251_STATE_OFF) { |
| 399 | wl1251_error("cannot start because not in off state: %d", |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 400 | wl->state); |
| 401 | ret = -EBUSY; |
| 402 | goto out; |
| 403 | } |
| 404 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 405 | ret = wl1251_chip_wakeup(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 406 | if (ret < 0) |
Jiri Slaby | fe64341 | 2009-07-14 22:37:13 +0200 | [diff] [blame] | 407 | goto out; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 408 | |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 409 | ret = wl1251_boot(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 410 | if (ret < 0) |
| 411 | goto out; |
| 412 | |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 413 | ret = wl1251_hw_init(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 414 | if (ret < 0) |
| 415 | goto out; |
| 416 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 417 | ret = wl1251_acx_station_id(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 418 | if (ret < 0) |
| 419 | goto out; |
| 420 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 421 | wl->state = WL1251_STATE_ON; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 422 | |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 423 | wl1251_info("firmware booted (%s)", wl->fw_ver); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 424 | |
John W. Linville | 8b28e82 | 2010-07-28 16:59:41 -0400 | [diff] [blame] | 425 | /* update hw/fw version info in wiphy struct */ |
| 426 | wiphy->hw_version = wl->chip_id; |
| 427 | strncpy(wiphy->fw_version, wl->fw_ver, sizeof(wiphy->fw_version)); |
| 428 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 429 | out: |
| 430 | if (ret < 0) |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 431 | wl1251_power_off(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 432 | |
| 433 | mutex_unlock(&wl->mutex); |
| 434 | |
| 435 | return ret; |
| 436 | } |
| 437 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 438 | static void wl1251_op_stop(struct ieee80211_hw *hw) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 439 | { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 440 | struct wl1251 *wl = hw->priv; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 441 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 442 | wl1251_info("down"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 443 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 444 | wl1251_debug(DEBUG_MAC80211, "mac80211 stop"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 445 | |
| 446 | mutex_lock(&wl->mutex); |
| 447 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 448 | WARN_ON(wl->state != WL1251_STATE_ON); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 449 | |
| 450 | if (wl->scanning) { |
Avraham Stern | 7947d3e | 2016-07-05 15:23:12 +0300 | [diff] [blame] | 451 | struct cfg80211_scan_info info = { |
| 452 | .aborted = true, |
| 453 | }; |
| 454 | |
| 455 | ieee80211_scan_completed(wl->hw, &info); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 456 | wl->scanning = false; |
| 457 | } |
| 458 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 459 | wl->state = WL1251_STATE_OFF; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 460 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 461 | wl1251_disable_interrupts(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 462 | |
| 463 | mutex_unlock(&wl->mutex); |
| 464 | |
| 465 | cancel_work_sync(&wl->irq_work); |
| 466 | cancel_work_sync(&wl->tx_work); |
Grazvydas Ignotas | 4c1bcdb | 2012-04-26 23:07:44 +0300 | [diff] [blame] | 467 | cancel_delayed_work_sync(&wl->elp_work); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 468 | |
| 469 | mutex_lock(&wl->mutex); |
| 470 | |
| 471 | /* let's notify MAC80211 about the remaining pending TX frames */ |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 472 | wl1251_tx_flush(wl); |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 473 | wl1251_power_off(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 474 | |
Joe Perches | 93803b3 | 2015-03-02 19:54:49 -0800 | [diff] [blame] | 475 | eth_zero_addr(wl->bssid); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 476 | wl->listen_int = 1; |
| 477 | wl->bss_type = MAX_BSS_TYPE; |
| 478 | |
| 479 | wl->data_in_count = 0; |
| 480 | wl->rx_counter = 0; |
| 481 | wl->rx_handled = 0; |
| 482 | wl->rx_current_buffer = 0; |
| 483 | wl->rx_last_id = 0; |
| 484 | wl->next_tx_complete = 0; |
| 485 | wl->elp = false; |
Jarkko Nikula | a0bbb58 | 2011-04-04 11:04:57 +0300 | [diff] [blame] | 486 | wl->station_mode = STATION_ACTIVE_MODE; |
David Gnedt | f7ad1ee | 2014-01-07 13:05:45 +0100 | [diff] [blame] | 487 | wl->psm_entry_retry = 0; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 488 | wl->tx_queue_stopped = false; |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 489 | wl->power_level = WL1251_DEFAULT_POWER_LEVEL; |
David Gnedt | 8964e49 | 2011-01-30 20:11:00 +0100 | [diff] [blame] | 490 | wl->rssi_thold = 0; |
Kalle Valo | 9780279 | 2009-08-07 13:34:27 +0300 | [diff] [blame] | 491 | wl->channel = WL1251_DEFAULT_CHANNEL; |
David Gnedt | 4d09b53 | 2014-01-07 13:07:52 +0100 | [diff] [blame] | 492 | wl->monitor_present = false; |
David Gnedt | c8909e5 | 2014-01-07 13:10:14 +0100 | [diff] [blame] | 493 | wl->joined = false; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 494 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 495 | wl1251_debugfs_reset(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 496 | |
| 497 | mutex_unlock(&wl->mutex); |
| 498 | } |
| 499 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 500 | static int wl1251_op_add_interface(struct ieee80211_hw *hw, |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 501 | struct ieee80211_vif *vif) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 502 | { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 503 | struct wl1251 *wl = hw->priv; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 504 | int ret = 0; |
| 505 | |
Johannes Berg | ea08635 | 2012-01-19 09:29:58 +0100 | [diff] [blame] | 506 | vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | |
Johannes Berg | 848955c | 2014-11-11 12:48:42 +0100 | [diff] [blame] | 507 | IEEE80211_VIF_SUPPORTS_UAPSD | |
Johannes Berg | ea08635 | 2012-01-19 09:29:58 +0100 | [diff] [blame] | 508 | IEEE80211_VIF_SUPPORTS_CQM_RSSI; |
Johannes Berg | c1288b1 | 2012-01-19 09:29:57 +0100 | [diff] [blame] | 509 | |
Johannes Berg | e91d833 | 2009-07-15 17:21:41 +0200 | [diff] [blame] | 510 | wl1251_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 511 | vif->type, vif->addr); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 512 | |
| 513 | mutex_lock(&wl->mutex); |
Juuso Oikarinen | 287f6f9 | 2009-11-17 18:48:23 +0200 | [diff] [blame] | 514 | if (wl->vif) { |
| 515 | ret = -EBUSY; |
| 516 | goto out; |
| 517 | } |
| 518 | |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 519 | wl->vif = vif; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 520 | |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 521 | switch (vif->type) { |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 522 | case NL80211_IFTYPE_STATION: |
| 523 | wl->bss_type = BSS_TYPE_STA_BSS; |
| 524 | break; |
| 525 | case NL80211_IFTYPE_ADHOC: |
| 526 | wl->bss_type = BSS_TYPE_IBSS; |
| 527 | break; |
| 528 | default: |
| 529 | ret = -EOPNOTSUPP; |
| 530 | goto out; |
| 531 | } |
| 532 | |
dingtianhong | 692e516 | 2013-12-26 19:41:34 +0800 | [diff] [blame] | 533 | if (!ether_addr_equal_unaligned(wl->mac_addr, vif->addr)) { |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 534 | memcpy(wl->mac_addr, vif->addr, ETH_ALEN); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 535 | SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 536 | ret = wl1251_acx_station_id(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 537 | if (ret < 0) |
| 538 | goto out; |
| 539 | } |
| 540 | |
| 541 | out: |
| 542 | mutex_unlock(&wl->mutex); |
| 543 | return ret; |
| 544 | } |
| 545 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 546 | static void wl1251_op_remove_interface(struct ieee80211_hw *hw, |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 547 | struct ieee80211_vif *vif) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 548 | { |
Juuso Oikarinen | 287f6f9 | 2009-11-17 18:48:23 +0200 | [diff] [blame] | 549 | struct wl1251 *wl = hw->priv; |
| 550 | |
| 551 | mutex_lock(&wl->mutex); |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 552 | wl1251_debug(DEBUG_MAC80211, "mac80211 remove interface"); |
Juuso Oikarinen | 287f6f9 | 2009-11-17 18:48:23 +0200 | [diff] [blame] | 553 | wl->vif = NULL; |
Joe Perches | 93803b3 | 2015-03-02 19:54:49 -0800 | [diff] [blame] | 554 | eth_zero_addr(wl->bssid); |
Juuso Oikarinen | 287f6f9 | 2009-11-17 18:48:23 +0200 | [diff] [blame] | 555 | mutex_unlock(&wl->mutex); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 556 | } |
| 557 | |
Grazvydas Ignotas | a564061 | 2014-04-22 03:09:53 +0300 | [diff] [blame] | 558 | static int wl1251_build_null_data(struct wl1251 *wl) |
| 559 | { |
| 560 | struct sk_buff *skb = NULL; |
| 561 | int size; |
| 562 | void *ptr; |
| 563 | int ret = -ENOMEM; |
| 564 | |
| 565 | if (wl->bss_type == BSS_TYPE_IBSS) { |
| 566 | size = sizeof(struct wl12xx_null_data_template); |
| 567 | ptr = NULL; |
| 568 | } else { |
| 569 | skb = ieee80211_nullfunc_get(wl->hw, wl->vif); |
| 570 | if (!skb) |
| 571 | goto out; |
| 572 | size = skb->len; |
| 573 | ptr = skb->data; |
| 574 | } |
| 575 | |
| 576 | ret = wl1251_cmd_template_set(wl, CMD_NULL_DATA, ptr, size); |
| 577 | |
| 578 | out: |
| 579 | dev_kfree_skb(skb); |
| 580 | if (ret) |
| 581 | wl1251_warning("cmd buld null data failed: %d", ret); |
| 582 | |
| 583 | return ret; |
| 584 | } |
| 585 | |
Kalle Valo | 8f8ff916 | 2010-01-12 10:43:07 +0200 | [diff] [blame] | 586 | static int wl1251_build_qos_null_data(struct wl1251 *wl) |
| 587 | { |
| 588 | struct ieee80211_qos_hdr template; |
| 589 | |
| 590 | memset(&template, 0, sizeof(template)); |
| 591 | |
| 592 | memcpy(template.addr1, wl->bssid, ETH_ALEN); |
| 593 | memcpy(template.addr2, wl->mac_addr, ETH_ALEN); |
| 594 | memcpy(template.addr3, wl->bssid, ETH_ALEN); |
| 595 | |
| 596 | template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | |
| 597 | IEEE80211_STYPE_QOS_NULLFUNC | |
| 598 | IEEE80211_FCTL_TODS); |
| 599 | |
| 600 | /* FIXME: not sure what priority to use here */ |
| 601 | template.qos_ctrl = cpu_to_le16(0); |
| 602 | |
| 603 | return wl1251_cmd_template_set(wl, CMD_QOS_NULL_DATA, &template, |
| 604 | sizeof(template)); |
| 605 | } |
| 606 | |
David Gnedt | dd4a560 | 2014-01-07 13:09:06 +0100 | [diff] [blame] | 607 | static bool wl1251_can_do_pm(struct ieee80211_conf *conf, struct wl1251 *wl) |
| 608 | { |
| 609 | return (conf->flags & IEEE80211_CONF_PS) && !wl->monitor_present; |
| 610 | } |
| 611 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 612 | static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 613 | { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 614 | struct wl1251 *wl = hw->priv; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 615 | struct ieee80211_conf *conf = &hw->conf; |
| 616 | int channel, ret = 0; |
| 617 | |
Karl Beldan | 675a0b0 | 2013-03-25 16:26:57 +0100 | [diff] [blame] | 618 | channel = ieee80211_frequency_to_channel( |
| 619 | conf->chandef.chan->center_freq); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 620 | |
David Gnedt | 4d09b53 | 2014-01-07 13:07:52 +0100 | [diff] [blame] | 621 | wl1251_debug(DEBUG_MAC80211, |
| 622 | "mac80211 config ch %d monitor %s psm %s power %d", |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 623 | channel, |
David Gnedt | 4d09b53 | 2014-01-07 13:07:52 +0100 | [diff] [blame] | 624 | conf->flags & IEEE80211_CONF_MONITOR ? "on" : "off", |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 625 | conf->flags & IEEE80211_CONF_PS ? "on" : "off", |
| 626 | conf->power_level); |
| 627 | |
| 628 | mutex_lock(&wl->mutex); |
| 629 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 630 | ret = wl1251_ps_elp_wakeup(wl); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 631 | if (ret < 0) |
| 632 | goto out; |
Kalle Valo | 01d9cfb | 2009-06-12 14:16:26 +0300 | [diff] [blame] | 633 | |
David Gnedt | 4d09b53 | 2014-01-07 13:07:52 +0100 | [diff] [blame] | 634 | if (changed & IEEE80211_CONF_CHANGE_MONITOR) { |
| 635 | u32 mode; |
Kalle Valo | fe9a984 | 2009-08-07 13:34:49 +0300 | [diff] [blame] | 636 | |
David Gnedt | 4d09b53 | 2014-01-07 13:07:52 +0100 | [diff] [blame] | 637 | if (conf->flags & IEEE80211_CONF_MONITOR) { |
| 638 | wl->monitor_present = true; |
| 639 | mode = DF_SNIFF_MODE_ENABLE | DF_ENCRYPTION_DISABLE; |
| 640 | } else { |
| 641 | wl->monitor_present = false; |
| 642 | mode = 0; |
| 643 | } |
| 644 | |
| 645 | ret = wl1251_acx_feature_cfg(wl, mode); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 646 | if (ret < 0) |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 647 | goto out_sleep; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 648 | } |
| 649 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 650 | if (channel != wl->channel) { |
| 651 | wl->channel = channel; |
| 652 | |
David Gnedt | ed3213c | 2014-01-07 13:09:42 +0100 | [diff] [blame] | 653 | /* |
| 654 | * Use ENABLE_RX command for channel switching when no |
| 655 | * interface is present (monitor mode only). |
| 656 | * This leaves the tx path disabled in firmware, whereas |
| 657 | * the usual JOIN command seems to transmit some frames |
| 658 | * at firmware level. |
| 659 | */ |
| 660 | if (wl->vif == NULL) { |
David Gnedt | c8909e5 | 2014-01-07 13:10:14 +0100 | [diff] [blame] | 661 | wl->joined = false; |
David Gnedt | ed3213c | 2014-01-07 13:09:42 +0100 | [diff] [blame] | 662 | ret = wl1251_cmd_data_path_rx(wl, wl->channel, 1); |
| 663 | } else { |
| 664 | ret = wl1251_join(wl, wl->bss_type, wl->channel, |
| 665 | wl->beacon_int, wl->dtim_period); |
| 666 | } |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 667 | if (ret < 0) |
| 668 | goto out_sleep; |
| 669 | } |
| 670 | |
David Gnedt | dd4a560 | 2014-01-07 13:09:06 +0100 | [diff] [blame] | 671 | if (wl1251_can_do_pm(conf, wl) && !wl->psm_requested) { |
Luciano Coelho | 47af3fe | 2009-06-12 14:17:53 +0300 | [diff] [blame] | 672 | wl1251_debug(DEBUG_PSM, "psm enabled"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 673 | |
| 674 | wl->psm_requested = true; |
| 675 | |
Johannes Berg | 56007a0 | 2010-01-26 14:19:52 +0100 | [diff] [blame] | 676 | wl->dtim_period = conf->ps_dtim_period; |
| 677 | |
| 678 | ret = wl1251_acx_wr_tbtt_and_dtim(wl, wl->beacon_int, |
| 679 | wl->dtim_period); |
| 680 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 681 | /* |
Johannes Berg | 56007a0 | 2010-01-26 14:19:52 +0100 | [diff] [blame] | 682 | * mac80211 enables PSM only if we're already associated. |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 683 | */ |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 684 | ret = wl1251_ps_set_mode(wl, STATION_POWER_SAVE_MODE); |
Kalle Valo | 478fdf2 | 2009-11-30 10:17:52 +0200 | [diff] [blame] | 685 | if (ret < 0) |
| 686 | goto out_sleep; |
David Gnedt | dd4a560 | 2014-01-07 13:09:06 +0100 | [diff] [blame] | 687 | } else if (!wl1251_can_do_pm(conf, wl) && wl->psm_requested) { |
Luciano Coelho | 47af3fe | 2009-06-12 14:17:53 +0300 | [diff] [blame] | 688 | wl1251_debug(DEBUG_PSM, "psm disabled"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 689 | |
| 690 | wl->psm_requested = false; |
| 691 | |
Jarkko Nikula | a0bbb58 | 2011-04-04 11:04:57 +0300 | [diff] [blame] | 692 | if (wl->station_mode != STATION_ACTIVE_MODE) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 693 | ret = wl1251_ps_set_mode(wl, STATION_ACTIVE_MODE); |
Kalle Valo | 478fdf2 | 2009-11-30 10:17:52 +0200 | [diff] [blame] | 694 | if (ret < 0) |
| 695 | goto out_sleep; |
| 696 | } |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 697 | } |
| 698 | |
Johannes Berg | f1e3e05 | 2013-02-06 23:57:57 +0100 | [diff] [blame] | 699 | if (changed & IEEE80211_CONF_CHANGE_IDLE && !wl->scanning) { |
Jarkko Nikula | 1e5f52d | 2011-04-04 11:04:58 +0300 | [diff] [blame] | 700 | if (conf->flags & IEEE80211_CONF_IDLE) { |
| 701 | ret = wl1251_ps_set_mode(wl, STATION_IDLE); |
| 702 | if (ret < 0) |
| 703 | goto out_sleep; |
| 704 | } else { |
| 705 | ret = wl1251_ps_set_mode(wl, STATION_ACTIVE_MODE); |
| 706 | if (ret < 0) |
| 707 | goto out_sleep; |
| 708 | ret = wl1251_join(wl, wl->bss_type, wl->channel, |
| 709 | wl->beacon_int, wl->dtim_period); |
| 710 | if (ret < 0) |
| 711 | goto out_sleep; |
| 712 | } |
| 713 | } |
| 714 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 715 | if (conf->power_level != wl->power_level) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 716 | ret = wl1251_acx_tx_power(wl, conf->power_level); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 717 | if (ret < 0) |
Kalle Valo | 478fdf2 | 2009-11-30 10:17:52 +0200 | [diff] [blame] | 718 | goto out_sleep; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 719 | |
| 720 | wl->power_level = conf->power_level; |
| 721 | } |
| 722 | |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 723 | out_sleep: |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 724 | wl1251_ps_elp_sleep(wl); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 725 | |
| 726 | out: |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 727 | mutex_unlock(&wl->mutex); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 728 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 729 | return ret; |
| 730 | } |
| 731 | |
David Gnedt | 9ed74ba | 2014-01-07 13:08:30 +0100 | [diff] [blame] | 732 | struct wl1251_filter_params { |
| 733 | bool enabled; |
| 734 | int mc_list_length; |
| 735 | u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN]; |
| 736 | }; |
| 737 | |
| 738 | static u64 wl1251_op_prepare_multicast(struct ieee80211_hw *hw, |
| 739 | struct netdev_hw_addr_list *mc_list) |
| 740 | { |
| 741 | struct wl1251_filter_params *fp; |
| 742 | struct netdev_hw_addr *ha; |
| 743 | struct wl1251 *wl = hw->priv; |
| 744 | |
| 745 | if (unlikely(wl->state == WL1251_STATE_OFF)) |
| 746 | return 0; |
| 747 | |
| 748 | fp = kzalloc(sizeof(*fp), GFP_ATOMIC); |
| 749 | if (!fp) { |
| 750 | wl1251_error("Out of memory setting filters."); |
| 751 | return 0; |
| 752 | } |
| 753 | |
| 754 | /* update multicast filtering parameters */ |
| 755 | fp->mc_list_length = 0; |
| 756 | if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) { |
| 757 | fp->enabled = false; |
| 758 | } else { |
| 759 | fp->enabled = true; |
| 760 | netdev_hw_addr_list_for_each(ha, mc_list) { |
| 761 | memcpy(fp->mc_list[fp->mc_list_length], |
| 762 | ha->addr, ETH_ALEN); |
| 763 | fp->mc_list_length++; |
| 764 | } |
| 765 | } |
| 766 | |
| 767 | return (u64)(unsigned long)fp; |
| 768 | } |
| 769 | |
Johannes Berg | df14046 | 2015-04-22 14:40:58 +0200 | [diff] [blame] | 770 | #define WL1251_SUPPORTED_FILTERS (FIF_ALLMULTI | \ |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 771 | FIF_FCSFAIL | \ |
| 772 | FIF_BCN_PRBRESP_PROMISC | \ |
| 773 | FIF_CONTROL | \ |
Grazvydas Ignotas | 84b60c1 | 2012-06-16 22:31:50 +0300 | [diff] [blame] | 774 | FIF_OTHER_BSS | \ |
| 775 | FIF_PROBE_REQ) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 776 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 777 | static void wl1251_op_configure_filter(struct ieee80211_hw *hw, |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 778 | unsigned int changed, |
David Gnedt | 9ed74ba | 2014-01-07 13:08:30 +0100 | [diff] [blame] | 779 | unsigned int *total, u64 multicast) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 780 | { |
David Gnedt | 9ed74ba | 2014-01-07 13:08:30 +0100 | [diff] [blame] | 781 | struct wl1251_filter_params *fp = (void *)(unsigned long)multicast; |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 782 | struct wl1251 *wl = hw->priv; |
Grazvydas Ignotas | 84b60c1 | 2012-06-16 22:31:50 +0300 | [diff] [blame] | 783 | int ret; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 784 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 785 | wl1251_debug(DEBUG_MAC80211, "mac80211 configure filter"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 786 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 787 | *total &= WL1251_SUPPORTED_FILTERS; |
| 788 | changed &= WL1251_SUPPORTED_FILTERS; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 789 | |
David Gnedt | 9ed74ba | 2014-01-07 13:08:30 +0100 | [diff] [blame] | 790 | if (changed == 0) { |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 791 | /* no filters which we support changed */ |
David Gnedt | 9ed74ba | 2014-01-07 13:08:30 +0100 | [diff] [blame] | 792 | kfree(fp); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 793 | return; |
David Gnedt | 9ed74ba | 2014-01-07 13:08:30 +0100 | [diff] [blame] | 794 | } |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 795 | |
Grazvydas Ignotas | 84b60c1 | 2012-06-16 22:31:50 +0300 | [diff] [blame] | 796 | mutex_lock(&wl->mutex); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 797 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 798 | wl->rx_config = WL1251_DEFAULT_RX_CONFIG; |
| 799 | wl->rx_filter = WL1251_DEFAULT_RX_FILTER; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 800 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 801 | if (*total & FIF_ALLMULTI) |
| 802 | /* |
| 803 | * CFG_MC_FILTER_EN in rx_config needs to be 0 to receive |
| 804 | * all multicast frames |
| 805 | */ |
| 806 | wl->rx_config &= ~CFG_MC_FILTER_EN; |
| 807 | if (*total & FIF_FCSFAIL) |
| 808 | wl->rx_filter |= CFG_RX_FCS_ERROR; |
| 809 | if (*total & FIF_BCN_PRBRESP_PROMISC) { |
| 810 | wl->rx_config &= ~CFG_BSSID_FILTER_EN; |
| 811 | wl->rx_config &= ~CFG_SSID_FILTER_EN; |
| 812 | } |
| 813 | if (*total & FIF_CONTROL) |
| 814 | wl->rx_filter |= CFG_RX_CTL_EN; |
Grazvydas Ignotas | 84b60c1 | 2012-06-16 22:31:50 +0300 | [diff] [blame] | 815 | if (*total & FIF_OTHER_BSS || is_zero_ether_addr(wl->bssid)) |
| 816 | wl->rx_config &= ~CFG_BSSID_FILTER_EN; |
| 817 | if (*total & FIF_PROBE_REQ) |
| 818 | wl->rx_filter |= CFG_RX_PREQ_EN; |
| 819 | |
| 820 | if (wl->state == WL1251_STATE_OFF) |
| 821 | goto out; |
| 822 | |
| 823 | ret = wl1251_ps_elp_wakeup(wl); |
| 824 | if (ret < 0) |
| 825 | goto out; |
| 826 | |
Johannes Berg | df14046 | 2015-04-22 14:40:58 +0200 | [diff] [blame] | 827 | if (*total & FIF_ALLMULTI) |
David Gnedt | 9ed74ba | 2014-01-07 13:08:30 +0100 | [diff] [blame] | 828 | ret = wl1251_acx_group_address_tbl(wl, false, NULL, 0); |
| 829 | else if (fp) |
| 830 | ret = wl1251_acx_group_address_tbl(wl, fp->enabled, |
| 831 | fp->mc_list, |
| 832 | fp->mc_list_length); |
| 833 | if (ret < 0) |
| 834 | goto out; |
| 835 | |
Grazvydas Ignotas | 84b60c1 | 2012-06-16 22:31:50 +0300 | [diff] [blame] | 836 | /* send filters to firmware */ |
| 837 | wl1251_acx_rx_config(wl, wl->rx_config, wl->rx_filter); |
| 838 | |
| 839 | wl1251_ps_elp_sleep(wl); |
| 840 | |
| 841 | out: |
| 842 | mutex_unlock(&wl->mutex); |
David Gnedt | 9ed74ba | 2014-01-07 13:08:30 +0100 | [diff] [blame] | 843 | kfree(fp); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 844 | } |
| 845 | |
| 846 | /* HW encryption */ |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 847 | static int wl1251_set_key_type(struct wl1251 *wl, |
| 848 | struct wl1251_cmd_set_keys *key, |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 849 | enum set_key_cmd cmd, |
| 850 | struct ieee80211_key_conf *mac80211_key, |
| 851 | const u8 *addr) |
| 852 | { |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 853 | switch (mac80211_key->cipher) { |
| 854 | case WLAN_CIPHER_SUITE_WEP40: |
| 855 | case WLAN_CIPHER_SUITE_WEP104: |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 856 | if (is_broadcast_ether_addr(addr)) |
| 857 | key->key_type = KEY_WEP_DEFAULT; |
| 858 | else |
| 859 | key->key_type = KEY_WEP_ADDR; |
| 860 | |
| 861 | mac80211_key->hw_key_idx = mac80211_key->keyidx; |
| 862 | break; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 863 | case WLAN_CIPHER_SUITE_TKIP: |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 864 | if (is_broadcast_ether_addr(addr)) |
| 865 | key->key_type = KEY_TKIP_MIC_GROUP; |
| 866 | else |
| 867 | key->key_type = KEY_TKIP_MIC_PAIRWISE; |
| 868 | |
| 869 | mac80211_key->hw_key_idx = mac80211_key->keyidx; |
| 870 | break; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 871 | case WLAN_CIPHER_SUITE_CCMP: |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 872 | if (is_broadcast_ether_addr(addr)) |
| 873 | key->key_type = KEY_AES_GROUP; |
| 874 | else |
| 875 | key->key_type = KEY_AES_PAIRWISE; |
| 876 | mac80211_key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; |
| 877 | break; |
| 878 | default: |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 879 | wl1251_error("Unknown key cipher 0x%x", mac80211_key->cipher); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 880 | return -EOPNOTSUPP; |
| 881 | } |
| 882 | |
| 883 | return 0; |
| 884 | } |
| 885 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 886 | 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] | 887 | struct ieee80211_vif *vif, |
| 888 | struct ieee80211_sta *sta, |
| 889 | struct ieee80211_key_conf *key) |
| 890 | { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 891 | struct wl1251 *wl = hw->priv; |
| 892 | struct wl1251_cmd_set_keys *wl_cmd; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 893 | const u8 *addr; |
| 894 | int ret; |
| 895 | |
| 896 | static const u8 bcast_addr[ETH_ALEN] = |
| 897 | { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; |
| 898 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 899 | wl1251_debug(DEBUG_MAC80211, "mac80211 set key"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 900 | |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 901 | wl_cmd = kzalloc(sizeof(*wl_cmd), GFP_KERNEL); |
| 902 | if (!wl_cmd) { |
| 903 | ret = -ENOMEM; |
| 904 | goto out; |
| 905 | } |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 906 | |
| 907 | addr = sta ? sta->addr : bcast_addr; |
| 908 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 909 | wl1251_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd); |
| 910 | wl1251_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN); |
| 911 | 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] | 912 | key->cipher, key->keyidx, key->keylen, key->flags); |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 913 | wl1251_dump(DEBUG_CRYPT, "KEY: ", key->key, key->keylen); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 914 | |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 915 | if (is_zero_ether_addr(addr)) { |
| 916 | /* We dont support TX only encryption */ |
| 917 | ret = -EOPNOTSUPP; |
| 918 | goto out; |
| 919 | } |
| 920 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 921 | mutex_lock(&wl->mutex); |
| 922 | |
| 923 | switch (cmd) { |
| 924 | case SET_KEY: |
David Gnedt | 4d09b53 | 2014-01-07 13:07:52 +0100 | [diff] [blame] | 925 | if (wl->monitor_present) { |
| 926 | ret = -EOPNOTSUPP; |
| 927 | goto out_unlock; |
| 928 | } |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 929 | wl_cmd->key_action = KEY_ADD_OR_REPLACE; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 930 | break; |
| 931 | case DISABLE_KEY: |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 932 | wl_cmd->key_action = KEY_REMOVE; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 933 | break; |
| 934 | default: |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 935 | wl1251_error("Unsupported key cmd 0x%x", cmd); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 936 | break; |
| 937 | } |
| 938 | |
David Gnedt | 4d09b53 | 2014-01-07 13:07:52 +0100 | [diff] [blame] | 939 | ret = wl1251_ps_elp_wakeup(wl); |
| 940 | if (ret < 0) |
| 941 | goto out_unlock; |
| 942 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 943 | ret = wl1251_set_key_type(wl, wl_cmd, cmd, key, addr); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 944 | if (ret < 0) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 945 | wl1251_error("Set KEY type failed"); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 946 | goto out_sleep; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 947 | } |
| 948 | |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 949 | if (wl_cmd->key_type != KEY_WEP_DEFAULT) |
| 950 | memcpy(wl_cmd->addr, addr, ETH_ALEN); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 951 | |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 952 | if ((wl_cmd->key_type == KEY_TKIP_MIC_GROUP) || |
| 953 | (wl_cmd->key_type == KEY_TKIP_MIC_PAIRWISE)) { |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 954 | /* |
| 955 | * We get the key in the following form: |
| 956 | * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) |
| 957 | * but the target is expecting: |
| 958 | * TKIP - RX MIC - TX MIC |
| 959 | */ |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 960 | memcpy(wl_cmd->key, key->key, 16); |
| 961 | memcpy(wl_cmd->key + 16, key->key + 24, 8); |
| 962 | memcpy(wl_cmd->key + 24, key->key + 16, 8); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 963 | |
| 964 | } else { |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 965 | memcpy(wl_cmd->key, key->key, key->keylen); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 966 | } |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 967 | wl_cmd->key_size = key->keylen; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 968 | |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 969 | wl_cmd->id = key->keyidx; |
| 970 | wl_cmd->ssid_profile = 0; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 971 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 972 | wl1251_dump(DEBUG_CRYPT, "TARGET KEY: ", wl_cmd, sizeof(*wl_cmd)); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 973 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 974 | 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] | 975 | if (ret < 0) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 976 | wl1251_warning("could not set keys"); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 977 | goto out_sleep; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 978 | } |
| 979 | |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 980 | out_sleep: |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 981 | wl1251_ps_elp_sleep(wl); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 982 | |
| 983 | out_unlock: |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 984 | mutex_unlock(&wl->mutex); |
| 985 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 986 | out: |
Kalle Valo | ff25839 | 2009-06-12 14:14:19 +0300 | [diff] [blame] | 987 | kfree(wl_cmd); |
| 988 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 989 | return ret; |
| 990 | } |
| 991 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 992 | static int wl1251_op_hw_scan(struct ieee80211_hw *hw, |
Johannes Berg | a060bbf | 2010-04-27 11:59:34 +0200 | [diff] [blame] | 993 | struct ieee80211_vif *vif, |
David Spinadel | c56ef67 | 2014-02-05 15:21:13 +0200 | [diff] [blame] | 994 | struct ieee80211_scan_request *hw_req) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 995 | { |
David Spinadel | c56ef67 | 2014-02-05 15:21:13 +0200 | [diff] [blame] | 996 | struct cfg80211_scan_request *req = &hw_req->req; |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 997 | struct wl1251 *wl = hw->priv; |
Kalle Valo | e477c56 | 2010-01-05 20:16:57 +0200 | [diff] [blame] | 998 | struct sk_buff *skb; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 999 | size_t ssid_len = 0; |
Kalle Valo | 3a98c30 | 2010-01-05 20:16:51 +0200 | [diff] [blame] | 1000 | u8 *ssid = NULL; |
| 1001 | int ret; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1002 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1003 | wl1251_debug(DEBUG_MAC80211, "mac80211 hw scan"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1004 | |
| 1005 | if (req->n_ssids) { |
| 1006 | ssid = req->ssids[0].ssid; |
| 1007 | ssid_len = req->ssids[0].ssid_len; |
| 1008 | } |
| 1009 | |
| 1010 | mutex_lock(&wl->mutex); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 1011 | |
Kalle Valo | 3a98c30 | 2010-01-05 20:16:51 +0200 | [diff] [blame] | 1012 | if (wl->scanning) { |
| 1013 | wl1251_debug(DEBUG_SCAN, "scan already in progress"); |
| 1014 | ret = -EINVAL; |
| 1015 | goto out; |
| 1016 | } |
| 1017 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1018 | ret = wl1251_ps_elp_wakeup(wl); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 1019 | if (ret < 0) |
| 1020 | goto out; |
Kalle Valo | 01d9cfb | 2009-06-12 14:16:26 +0300 | [diff] [blame] | 1021 | |
Johannes Berg | f1e3e05 | 2013-02-06 23:57:57 +0100 | [diff] [blame] | 1022 | if (hw->conf.flags & IEEE80211_CONF_IDLE) { |
| 1023 | ret = wl1251_ps_set_mode(wl, STATION_ACTIVE_MODE); |
| 1024 | if (ret < 0) |
| 1025 | goto out_sleep; |
| 1026 | ret = wl1251_join(wl, wl->bss_type, wl->channel, |
| 1027 | wl->beacon_int, wl->dtim_period); |
| 1028 | if (ret < 0) |
| 1029 | goto out_sleep; |
| 1030 | } |
| 1031 | |
Johannes Berg | a344d67 | 2014-06-12 22:24:31 +0200 | [diff] [blame] | 1032 | skb = ieee80211_probereq_get(wl->hw, wl->vif->addr, ssid, ssid_len, |
Johannes Berg | b9a9ada | 2012-11-29 13:00:10 +0100 | [diff] [blame] | 1033 | req->ie_len); |
Kalle Valo | e477c56 | 2010-01-05 20:16:57 +0200 | [diff] [blame] | 1034 | if (!skb) { |
| 1035 | ret = -ENOMEM; |
Johannes Berg | f1e3e05 | 2013-02-06 23:57:57 +0100 | [diff] [blame] | 1036 | goto out_idle; |
Kalle Valo | e477c56 | 2010-01-05 20:16:57 +0200 | [diff] [blame] | 1037 | } |
Johannes Berg | b9a9ada | 2012-11-29 13:00:10 +0100 | [diff] [blame] | 1038 | if (req->ie_len) |
| 1039 | memcpy(skb_put(skb, req->ie_len), req->ie, req->ie_len); |
Kalle Valo | e477c56 | 2010-01-05 20:16:57 +0200 | [diff] [blame] | 1040 | |
| 1041 | ret = wl1251_cmd_template_set(wl, CMD_PROBE_REQ, skb->data, |
| 1042 | skb->len); |
| 1043 | dev_kfree_skb(skb); |
Kalle Valo | 3a98c30 | 2010-01-05 20:16:51 +0200 | [diff] [blame] | 1044 | if (ret < 0) |
Johannes Berg | f1e3e05 | 2013-02-06 23:57:57 +0100 | [diff] [blame] | 1045 | goto out_idle; |
Kalle Valo | 01d9cfb | 2009-06-12 14:16:26 +0300 | [diff] [blame] | 1046 | |
Kalle Valo | 3a98c30 | 2010-01-05 20:16:51 +0200 | [diff] [blame] | 1047 | ret = wl1251_cmd_trigger_scan_to(wl, 0); |
| 1048 | if (ret < 0) |
Johannes Berg | f1e3e05 | 2013-02-06 23:57:57 +0100 | [diff] [blame] | 1049 | goto out_idle; |
Kalle Valo | 3a98c30 | 2010-01-05 20:16:51 +0200 | [diff] [blame] | 1050 | |
| 1051 | wl->scanning = true; |
| 1052 | |
Kalle Valo | dc52f0a | 2010-01-05 20:17:03 +0200 | [diff] [blame] | 1053 | ret = wl1251_cmd_scan(wl, ssid, ssid_len, req->channels, |
| 1054 | req->n_channels, WL1251_SCAN_NUM_PROBES); |
Kalle Valo | 3a98c30 | 2010-01-05 20:16:51 +0200 | [diff] [blame] | 1055 | if (ret < 0) { |
David Gnedt | 64322e2 | 2014-01-07 13:04:53 +0100 | [diff] [blame] | 1056 | wl1251_debug(DEBUG_SCAN, "scan failed %d", ret); |
Kalle Valo | 3a98c30 | 2010-01-05 20:16:51 +0200 | [diff] [blame] | 1057 | wl->scanning = false; |
Johannes Berg | f1e3e05 | 2013-02-06 23:57:57 +0100 | [diff] [blame] | 1058 | goto out_idle; |
Kalle Valo | 3a98c30 | 2010-01-05 20:16:51 +0200 | [diff] [blame] | 1059 | } |
Johannes Berg | f1e3e05 | 2013-02-06 23:57:57 +0100 | [diff] [blame] | 1060 | goto out_sleep; |
Kalle Valo | 3a98c30 | 2010-01-05 20:16:51 +0200 | [diff] [blame] | 1061 | |
Johannes Berg | f1e3e05 | 2013-02-06 23:57:57 +0100 | [diff] [blame] | 1062 | out_idle: |
| 1063 | if (hw->conf.flags & IEEE80211_CONF_IDLE) |
| 1064 | ret = wl1251_ps_set_mode(wl, STATION_IDLE); |
Kalle Valo | 3a98c30 | 2010-01-05 20:16:51 +0200 | [diff] [blame] | 1065 | out_sleep: |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1066 | wl1251_ps_elp_sleep(wl); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 1067 | |
| 1068 | out: |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1069 | mutex_unlock(&wl->mutex); |
| 1070 | |
| 1071 | return ret; |
| 1072 | } |
| 1073 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1074 | 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] | 1075 | { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1076 | struct wl1251 *wl = hw->priv; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1077 | int ret; |
| 1078 | |
Kalle Valo | cee4fd2 | 2009-06-12 14:16:20 +0300 | [diff] [blame] | 1079 | mutex_lock(&wl->mutex); |
| 1080 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1081 | ret = wl1251_ps_elp_wakeup(wl); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 1082 | if (ret < 0) |
| 1083 | goto out; |
Kalle Valo | 01d9cfb | 2009-06-12 14:16:26 +0300 | [diff] [blame] | 1084 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1085 | ret = wl1251_acx_rts_threshold(wl, (u16) value); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1086 | if (ret < 0) |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1087 | wl1251_warning("wl1251_op_set_rts_threshold failed: %d", ret); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1088 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1089 | wl1251_ps_elp_sleep(wl); |
Kalle Valo | 01d9cfb | 2009-06-12 14:16:26 +0300 | [diff] [blame] | 1090 | |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 1091 | out: |
Kalle Valo | cee4fd2 | 2009-06-12 14:16:20 +0300 | [diff] [blame] | 1092 | mutex_unlock(&wl->mutex); |
| 1093 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1094 | return ret; |
| 1095 | } |
| 1096 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1097 | static void wl1251_op_bss_info_changed(struct ieee80211_hw *hw, |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1098 | struct ieee80211_vif *vif, |
| 1099 | struct ieee80211_bss_conf *bss_conf, |
| 1100 | u32 changed) |
| 1101 | { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1102 | struct wl1251 *wl = hw->priv; |
Kalle Valo | f7f7057 | 2010-01-05 20:16:32 +0200 | [diff] [blame] | 1103 | struct sk_buff *beacon, *skb; |
David Gnedt | 204cc5c | 2014-01-07 13:06:24 +0100 | [diff] [blame] | 1104 | bool enable; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1105 | int ret; |
| 1106 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1107 | wl1251_debug(DEBUG_MAC80211, "mac80211 bss info changed"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1108 | |
| 1109 | mutex_lock(&wl->mutex); |
| 1110 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1111 | ret = wl1251_ps_elp_wakeup(wl); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 1112 | if (ret < 0) |
| 1113 | goto out; |
Kalle Valo | 01d9cfb | 2009-06-12 14:16:26 +0300 | [diff] [blame] | 1114 | |
David Gnedt | 8964e49 | 2011-01-30 20:11:00 +0100 | [diff] [blame] | 1115 | if (changed & BSS_CHANGED_CQM) { |
| 1116 | ret = wl1251_acx_low_rssi(wl, bss_conf->cqm_rssi_thold, |
| 1117 | WL1251_DEFAULT_LOW_RSSI_WEIGHT, |
| 1118 | WL1251_DEFAULT_LOW_RSSI_DEPTH, |
| 1119 | WL1251_ACX_LOW_RSSI_TYPE_EDGE); |
| 1120 | if (ret < 0) |
| 1121 | goto out; |
| 1122 | wl->rssi_thold = bss_conf->cqm_rssi_thold; |
| 1123 | } |
| 1124 | |
Grazvydas Ignotas | a564061 | 2014-04-22 03:09:53 +0300 | [diff] [blame] | 1125 | if ((changed & BSS_CHANGED_BSSID) && |
| 1126 | memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) { |
Kalle Valo | de8df1e | 2009-11-26 10:56:06 +0200 | [diff] [blame] | 1127 | memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); |
| 1128 | |
Grazvydas Ignotas | a564061 | 2014-04-22 03:09:53 +0300 | [diff] [blame] | 1129 | if (!is_zero_ether_addr(wl->bssid)) { |
| 1130 | ret = wl1251_build_null_data(wl); |
| 1131 | if (ret < 0) |
| 1132 | goto out_sleep; |
Kalle Valo | f7f7057 | 2010-01-05 20:16:32 +0200 | [diff] [blame] | 1133 | |
Grazvydas Ignotas | a564061 | 2014-04-22 03:09:53 +0300 | [diff] [blame] | 1134 | ret = wl1251_build_qos_null_data(wl); |
| 1135 | if (ret < 0) |
| 1136 | goto out_sleep; |
Kalle Valo | de8df1e | 2009-11-26 10:56:06 +0200 | [diff] [blame] | 1137 | |
Kalle Valo | de8df1e | 2009-11-26 10:56:06 +0200 | [diff] [blame] | 1138 | ret = wl1251_join(wl, wl->bss_type, wl->channel, |
| 1139 | wl->beacon_int, wl->dtim_period); |
| 1140 | if (ret < 0) |
| 1141 | goto out_sleep; |
| 1142 | } |
| 1143 | } |
| 1144 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1145 | if (changed & BSS_CHANGED_ASSOC) { |
| 1146 | if (bss_conf->assoc) { |
Kalle Valo | e2fd461 | 2009-08-07 13:34:12 +0300 | [diff] [blame] | 1147 | wl->beacon_int = bss_conf->beacon_int; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1148 | |
Kalle Valo | f7f7057 | 2010-01-05 20:16:32 +0200 | [diff] [blame] | 1149 | skb = ieee80211_pspoll_get(wl->hw, wl->vif); |
| 1150 | if (!skb) |
| 1151 | goto out_sleep; |
| 1152 | |
| 1153 | ret = wl1251_cmd_template_set(wl, CMD_PS_POLL, |
| 1154 | skb->data, |
| 1155 | skb->len); |
| 1156 | dev_kfree_skb(skb); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1157 | if (ret < 0) |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 1158 | goto out_sleep; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1159 | |
Johannes Berg | 56007a0 | 2010-01-26 14:19:52 +0100 | [diff] [blame] | 1160 | ret = wl1251_acx_aid(wl, bss_conf->aid); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1161 | if (ret < 0) |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 1162 | goto out_sleep; |
Kalle Valo | e2fd461 | 2009-08-07 13:34:12 +0300 | [diff] [blame] | 1163 | } else { |
| 1164 | /* use defaults when not associated */ |
| 1165 | wl->beacon_int = WL1251_DEFAULT_BEACON_INT; |
| 1166 | wl->dtim_period = WL1251_DEFAULT_DTIM_PERIOD; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1167 | } |
| 1168 | } |
| 1169 | if (changed & BSS_CHANGED_ERP_SLOT) { |
| 1170 | if (bss_conf->use_short_slot) |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1171 | ret = wl1251_acx_slot(wl, SLOT_TIME_SHORT); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1172 | else |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1173 | ret = wl1251_acx_slot(wl, SLOT_TIME_LONG); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1174 | if (ret < 0) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1175 | wl1251_warning("Set slot time failed %d", ret); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 1176 | goto out_sleep; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1177 | } |
| 1178 | } |
| 1179 | |
| 1180 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { |
| 1181 | if (bss_conf->use_short_preamble) |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1182 | wl1251_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1183 | else |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1184 | wl1251_acx_set_preamble(wl, ACX_PREAMBLE_LONG); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1185 | } |
| 1186 | |
| 1187 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { |
| 1188 | if (bss_conf->use_cts_prot) |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1189 | ret = wl1251_acx_cts_protect(wl, CTSPROTECT_ENABLE); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1190 | else |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1191 | ret = wl1251_acx_cts_protect(wl, CTSPROTECT_DISABLE); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1192 | if (ret < 0) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1193 | wl1251_warning("Set ctsprotect failed %d", ret); |
Kalle Valo | 80a112f | 2010-01-05 20:17:10 +0200 | [diff] [blame] | 1194 | goto out_sleep; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1195 | } |
| 1196 | } |
| 1197 | |
David Gnedt | 204cc5c | 2014-01-07 13:06:24 +0100 | [diff] [blame] | 1198 | if (changed & BSS_CHANGED_ARP_FILTER) { |
| 1199 | __be32 addr = bss_conf->arp_addr_list[0]; |
| 1200 | WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS); |
| 1201 | |
| 1202 | enable = bss_conf->arp_addr_cnt == 1 && bss_conf->assoc; |
| 1203 | wl1251_acx_arp_ip_filter(wl, enable, addr); |
| 1204 | |
| 1205 | if (ret < 0) |
| 1206 | goto out_sleep; |
| 1207 | } |
| 1208 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1209 | if (changed & BSS_CHANGED_BEACON) { |
| 1210 | beacon = ieee80211_beacon_get(hw, vif); |
Jesper Juhl | 4d048aa | 2011-02-03 21:14:01 +0100 | [diff] [blame] | 1211 | if (!beacon) |
| 1212 | goto out_sleep; |
| 1213 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1214 | ret = wl1251_cmd_template_set(wl, CMD_BEACON, beacon->data, |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1215 | beacon->len); |
| 1216 | |
| 1217 | if (ret < 0) { |
| 1218 | dev_kfree_skb(beacon); |
Kalle Valo | 80a112f | 2010-01-05 20:17:10 +0200 | [diff] [blame] | 1219 | goto out_sleep; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1220 | } |
| 1221 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1222 | ret = wl1251_cmd_template_set(wl, CMD_PROBE_RESP, beacon->data, |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1223 | beacon->len); |
| 1224 | |
| 1225 | dev_kfree_skb(beacon); |
| 1226 | |
| 1227 | if (ret < 0) |
Kalle Valo | 80a112f | 2010-01-05 20:17:10 +0200 | [diff] [blame] | 1228 | goto out_sleep; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1229 | |
Grazvydas Ignotas | 863bdbc | 2014-04-22 03:09:54 +0300 | [diff] [blame] | 1230 | ret = wl1251_join(wl, wl->bss_type, wl->channel, |
| 1231 | wl->beacon_int, wl->dtim_period); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1232 | |
| 1233 | if (ret < 0) |
Kalle Valo | 80a112f | 2010-01-05 20:17:10 +0200 | [diff] [blame] | 1234 | goto out_sleep; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1235 | } |
| 1236 | |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 1237 | out_sleep: |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1238 | wl1251_ps_elp_sleep(wl); |
Kalle Valo | c5483b7 | 2009-06-12 14:16:32 +0300 | [diff] [blame] | 1239 | |
| 1240 | out: |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1241 | mutex_unlock(&wl->mutex); |
| 1242 | } |
| 1243 | |
| 1244 | |
| 1245 | /* can't be const, mac80211 writes to this */ |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1246 | static struct ieee80211_rate wl1251_rates[] = { |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1247 | { .bitrate = 10, |
| 1248 | .hw_value = 0x1, |
| 1249 | .hw_value_short = 0x1, }, |
| 1250 | { .bitrate = 20, |
| 1251 | .hw_value = 0x2, |
| 1252 | .hw_value_short = 0x2, |
| 1253 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 1254 | { .bitrate = 55, |
| 1255 | .hw_value = 0x4, |
| 1256 | .hw_value_short = 0x4, |
| 1257 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 1258 | { .bitrate = 110, |
| 1259 | .hw_value = 0x20, |
| 1260 | .hw_value_short = 0x20, |
| 1261 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 1262 | { .bitrate = 60, |
| 1263 | .hw_value = 0x8, |
| 1264 | .hw_value_short = 0x8, }, |
| 1265 | { .bitrate = 90, |
| 1266 | .hw_value = 0x10, |
| 1267 | .hw_value_short = 0x10, }, |
| 1268 | { .bitrate = 120, |
| 1269 | .hw_value = 0x40, |
| 1270 | .hw_value_short = 0x40, }, |
| 1271 | { .bitrate = 180, |
| 1272 | .hw_value = 0x80, |
| 1273 | .hw_value_short = 0x80, }, |
| 1274 | { .bitrate = 240, |
| 1275 | .hw_value = 0x200, |
| 1276 | .hw_value_short = 0x200, }, |
| 1277 | { .bitrate = 360, |
| 1278 | .hw_value = 0x400, |
| 1279 | .hw_value_short = 0x400, }, |
| 1280 | { .bitrate = 480, |
| 1281 | .hw_value = 0x800, |
| 1282 | .hw_value_short = 0x800, }, |
| 1283 | { .bitrate = 540, |
| 1284 | .hw_value = 0x1000, |
| 1285 | .hw_value_short = 0x1000, }, |
| 1286 | }; |
| 1287 | |
| 1288 | /* can't be const, mac80211 writes to this */ |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1289 | static struct ieee80211_channel wl1251_channels[] = { |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1290 | { .hw_value = 1, .center_freq = 2412}, |
| 1291 | { .hw_value = 2, .center_freq = 2417}, |
| 1292 | { .hw_value = 3, .center_freq = 2422}, |
| 1293 | { .hw_value = 4, .center_freq = 2427}, |
| 1294 | { .hw_value = 5, .center_freq = 2432}, |
| 1295 | { .hw_value = 6, .center_freq = 2437}, |
| 1296 | { .hw_value = 7, .center_freq = 2442}, |
| 1297 | { .hw_value = 8, .center_freq = 2447}, |
| 1298 | { .hw_value = 9, .center_freq = 2452}, |
| 1299 | { .hw_value = 10, .center_freq = 2457}, |
| 1300 | { .hw_value = 11, .center_freq = 2462}, |
| 1301 | { .hw_value = 12, .center_freq = 2467}, |
| 1302 | { .hw_value = 13, .center_freq = 2472}, |
| 1303 | }; |
| 1304 | |
Eliad Peller | 8a3a3c8 | 2011-10-02 10:15:52 +0200 | [diff] [blame] | 1305 | static int wl1251_op_conf_tx(struct ieee80211_hw *hw, |
| 1306 | struct ieee80211_vif *vif, u16 queue, |
Kalle Valo | 86dff7a | 2009-11-30 10:18:19 +0200 | [diff] [blame] | 1307 | const struct ieee80211_tx_queue_params *params) |
| 1308 | { |
Kalle Valo | 4ff6ffa | 2010-01-12 10:43:15 +0200 | [diff] [blame] | 1309 | enum wl1251_acx_ps_scheme ps_scheme; |
Kalle Valo | 86dff7a | 2009-11-30 10:18:19 +0200 | [diff] [blame] | 1310 | struct wl1251 *wl = hw->priv; |
| 1311 | int ret; |
| 1312 | |
| 1313 | mutex_lock(&wl->mutex); |
| 1314 | |
| 1315 | wl1251_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); |
| 1316 | |
| 1317 | ret = wl1251_ps_elp_wakeup(wl); |
| 1318 | if (ret < 0) |
| 1319 | goto out; |
| 1320 | |
Kalle Valo | 8535949 | 2010-02-04 15:33:25 +0200 | [diff] [blame] | 1321 | /* mac80211 uses units of 32 usec */ |
Kalle Valo | 86dff7a | 2009-11-30 10:18:19 +0200 | [diff] [blame] | 1322 | ret = wl1251_acx_ac_cfg(wl, wl1251_tx_get_queue(queue), |
| 1323 | params->cw_min, params->cw_max, |
Kalle Valo | 8535949 | 2010-02-04 15:33:25 +0200 | [diff] [blame] | 1324 | params->aifs, params->txop * 32); |
Kalle Valo | 27336f1 | 2009-11-30 10:18:27 +0200 | [diff] [blame] | 1325 | if (ret < 0) |
| 1326 | goto out_sleep; |
Kalle Valo | 86dff7a | 2009-11-30 10:18:19 +0200 | [diff] [blame] | 1327 | |
Kalle Valo | 4ff6ffa | 2010-01-12 10:43:15 +0200 | [diff] [blame] | 1328 | if (params->uapsd) |
| 1329 | ps_scheme = WL1251_ACX_PS_SCHEME_UPSD_TRIGGER; |
| 1330 | else |
| 1331 | ps_scheme = WL1251_ACX_PS_SCHEME_LEGACY; |
| 1332 | |
Kalle Valo | 27336f1 | 2009-11-30 10:18:27 +0200 | [diff] [blame] | 1333 | ret = wl1251_acx_tid_cfg(wl, wl1251_tx_get_queue(queue), |
Kalle Valo | 49e1b9f | 2009-11-30 10:18:33 +0200 | [diff] [blame] | 1334 | CHANNEL_TYPE_EDCF, |
Kalle Valo | 4ff6ffa | 2010-01-12 10:43:15 +0200 | [diff] [blame] | 1335 | wl1251_tx_get_queue(queue), ps_scheme, |
Kalle Valo | 27336f1 | 2009-11-30 10:18:27 +0200 | [diff] [blame] | 1336 | WL1251_ACX_ACK_POLICY_LEGACY); |
| 1337 | if (ret < 0) |
| 1338 | goto out_sleep; |
| 1339 | |
| 1340 | out_sleep: |
Kalle Valo | 86dff7a | 2009-11-30 10:18:19 +0200 | [diff] [blame] | 1341 | wl1251_ps_elp_sleep(wl); |
| 1342 | |
| 1343 | out: |
| 1344 | mutex_unlock(&wl->mutex); |
| 1345 | |
| 1346 | return ret; |
| 1347 | } |
| 1348 | |
John W. Linville | 1943414 | 2010-07-28 15:23:30 -0400 | [diff] [blame] | 1349 | static int wl1251_op_get_survey(struct ieee80211_hw *hw, int idx, |
| 1350 | struct survey_info *survey) |
| 1351 | { |
| 1352 | struct wl1251 *wl = hw->priv; |
| 1353 | struct ieee80211_conf *conf = &hw->conf; |
| 1354 | |
| 1355 | if (idx != 0) |
| 1356 | return -ENOENT; |
| 1357 | |
Karl Beldan | 675a0b0 | 2013-03-25 16:26:57 +0100 | [diff] [blame] | 1358 | survey->channel = conf->chandef.chan; |
John W. Linville | 1943414 | 2010-07-28 15:23:30 -0400 | [diff] [blame] | 1359 | survey->filled = SURVEY_INFO_NOISE_DBM; |
| 1360 | survey->noise = wl->noise; |
| 1361 | |
| 1362 | return 0; |
| 1363 | } |
| 1364 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1365 | /* can't be const, mac80211 writes to this */ |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1366 | static struct ieee80211_supported_band wl1251_band_2ghz = { |
| 1367 | .channels = wl1251_channels, |
| 1368 | .n_channels = ARRAY_SIZE(wl1251_channels), |
| 1369 | .bitrates = wl1251_rates, |
| 1370 | .n_bitrates = ARRAY_SIZE(wl1251_rates), |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1371 | }; |
| 1372 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1373 | static const struct ieee80211_ops wl1251_ops = { |
| 1374 | .start = wl1251_op_start, |
| 1375 | .stop = wl1251_op_stop, |
| 1376 | .add_interface = wl1251_op_add_interface, |
| 1377 | .remove_interface = wl1251_op_remove_interface, |
| 1378 | .config = wl1251_op_config, |
David Gnedt | 9ed74ba | 2014-01-07 13:08:30 +0100 | [diff] [blame] | 1379 | .prepare_multicast = wl1251_op_prepare_multicast, |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1380 | .configure_filter = wl1251_op_configure_filter, |
| 1381 | .tx = wl1251_op_tx, |
| 1382 | .set_key = wl1251_op_set_key, |
| 1383 | .hw_scan = wl1251_op_hw_scan, |
| 1384 | .bss_info_changed = wl1251_op_bss_info_changed, |
| 1385 | .set_rts_threshold = wl1251_op_set_rts_threshold, |
Kalle Valo | 86dff7a | 2009-11-30 10:18:19 +0200 | [diff] [blame] | 1386 | .conf_tx = wl1251_op_conf_tx, |
John W. Linville | 1943414 | 2010-07-28 15:23:30 -0400 | [diff] [blame] | 1387 | .get_survey = wl1251_op_get_survey, |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1388 | }; |
| 1389 | |
Grazvydas Ignotas | 61c2a80 | 2010-04-14 13:05:48 +0300 | [diff] [blame] | 1390 | static int wl1251_read_eeprom_byte(struct wl1251 *wl, off_t offset, u8 *data) |
| 1391 | { |
| 1392 | unsigned long timeout; |
| 1393 | |
| 1394 | wl1251_reg_write32(wl, EE_ADDR, offset); |
| 1395 | wl1251_reg_write32(wl, EE_CTL, EE_CTL_READ); |
| 1396 | |
| 1397 | /* EE_CTL_READ clears when data is ready */ |
| 1398 | timeout = jiffies + msecs_to_jiffies(100); |
| 1399 | while (1) { |
| 1400 | if (!(wl1251_reg_read32(wl, EE_CTL) & EE_CTL_READ)) |
| 1401 | break; |
| 1402 | |
| 1403 | if (time_after(jiffies, timeout)) |
| 1404 | return -ETIMEDOUT; |
| 1405 | |
| 1406 | msleep(1); |
| 1407 | } |
| 1408 | |
| 1409 | *data = wl1251_reg_read32(wl, EE_DATA); |
| 1410 | return 0; |
| 1411 | } |
| 1412 | |
| 1413 | static int wl1251_read_eeprom(struct wl1251 *wl, off_t offset, |
| 1414 | u8 *data, size_t len) |
| 1415 | { |
| 1416 | size_t i; |
| 1417 | int ret; |
| 1418 | |
| 1419 | wl1251_reg_write32(wl, EE_START, 0); |
| 1420 | |
| 1421 | for (i = 0; i < len; i++) { |
| 1422 | ret = wl1251_read_eeprom_byte(wl, offset + i, &data[i]); |
| 1423 | if (ret < 0) |
| 1424 | return ret; |
| 1425 | } |
| 1426 | |
| 1427 | return 0; |
| 1428 | } |
| 1429 | |
| 1430 | static int wl1251_read_eeprom_mac(struct wl1251 *wl) |
| 1431 | { |
| 1432 | u8 mac[ETH_ALEN]; |
| 1433 | int i, ret; |
| 1434 | |
| 1435 | wl1251_set_partition(wl, 0, 0, REGISTERS_BASE, REGISTERS_DOWN_SIZE); |
| 1436 | |
| 1437 | ret = wl1251_read_eeprom(wl, 0x1c, mac, sizeof(mac)); |
| 1438 | if (ret < 0) { |
| 1439 | wl1251_warning("failed to read MAC address from EEPROM"); |
| 1440 | return ret; |
| 1441 | } |
| 1442 | |
| 1443 | /* MAC is stored in reverse order */ |
| 1444 | for (i = 0; i < ETH_ALEN; i++) |
| 1445 | wl->mac_addr[i] = mac[ETH_ALEN - i - 1]; |
| 1446 | |
| 1447 | return 0; |
| 1448 | } |
| 1449 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1450 | static int wl1251_register_hw(struct wl1251 *wl) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1451 | { |
| 1452 | int ret; |
| 1453 | |
| 1454 | if (wl->mac80211_registered) |
| 1455 | return 0; |
| 1456 | |
| 1457 | SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); |
| 1458 | |
| 1459 | ret = ieee80211_register_hw(wl->hw); |
| 1460 | if (ret < 0) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1461 | wl1251_error("unable to register mac80211 hw: %d", ret); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1462 | return ret; |
| 1463 | } |
| 1464 | |
| 1465 | wl->mac80211_registered = true; |
| 1466 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1467 | wl1251_notice("loaded"); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1468 | |
| 1469 | return 0; |
| 1470 | } |
| 1471 | |
Bob Copeland | 8e639c0 | 2009-08-07 13:33:26 +0300 | [diff] [blame] | 1472 | int wl1251_init_ieee80211(struct wl1251 *wl) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1473 | { |
Bob Copeland | 8e639c0 | 2009-08-07 13:33:26 +0300 | [diff] [blame] | 1474 | int ret; |
| 1475 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1476 | /* The tx descriptor buffer and the TKIP space */ |
| 1477 | wl->hw->extra_tx_headroom = sizeof(struct tx_double_buffer_desc) |
Juuso Oikarinen | 9f2ad4f | 2009-06-12 14:15:54 +0300 | [diff] [blame] | 1478 | + WL1251_TKIP_IV_SPACE; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1479 | |
| 1480 | /* unit us */ |
| 1481 | /* FIXME: find a proper value */ |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1482 | |
Johannes Berg | 30686bf | 2015-06-02 21:39:54 +0200 | [diff] [blame] | 1483 | ieee80211_hw_set(wl->hw, SIGNAL_DBM); |
| 1484 | ieee80211_hw_set(wl->hw, SUPPORTS_PS); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1485 | |
David Gnedt | 43d1364 | 2011-01-30 20:11:04 +0100 | [diff] [blame] | 1486 | wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
| 1487 | BIT(NL80211_IFTYPE_ADHOC); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1488 | wl->hw->wiphy->max_scan_ssids = 1; |
Johannes Berg | 57fbcce | 2016-04-12 15:56:15 +0200 | [diff] [blame] | 1489 | wl->hw->wiphy->bands[NL80211_BAND_2GHZ] = &wl1251_band_2ghz; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1490 | |
Kalle Valo | da2fb4e | 2009-11-30 10:18:47 +0200 | [diff] [blame] | 1491 | wl->hw->queues = 4; |
| 1492 | |
Grazvydas Ignotas | 61c2a80 | 2010-04-14 13:05:48 +0300 | [diff] [blame] | 1493 | if (wl->use_eeprom) |
| 1494 | wl1251_read_eeprom_mac(wl); |
| 1495 | |
Bob Copeland | 8e639c0 | 2009-08-07 13:33:26 +0300 | [diff] [blame] | 1496 | ret = wl1251_register_hw(wl); |
| 1497 | if (ret) |
| 1498 | goto out; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1499 | |
Bob Copeland | 8e639c0 | 2009-08-07 13:33:26 +0300 | [diff] [blame] | 1500 | wl1251_debugfs_init(wl); |
| 1501 | wl1251_notice("initialized"); |
| 1502 | |
| 1503 | ret = 0; |
| 1504 | |
| 1505 | out: |
| 1506 | return ret; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1507 | } |
Bob Copeland | af8c78e | 2009-08-07 13:33:34 +0300 | [diff] [blame] | 1508 | EXPORT_SYMBOL_GPL(wl1251_init_ieee80211); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1509 | |
Bob Copeland | 8e639c0 | 2009-08-07 13:33:26 +0300 | [diff] [blame] | 1510 | struct ieee80211_hw *wl1251_alloc_hw(void) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1511 | { |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1512 | struct ieee80211_hw *hw; |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1513 | struct wl1251 *wl; |
Bob Copeland | 8e639c0 | 2009-08-07 13:33:26 +0300 | [diff] [blame] | 1514 | int i; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1515 | static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf}; |
| 1516 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1517 | hw = ieee80211_alloc_hw(sizeof(*wl), &wl1251_ops); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1518 | if (!hw) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1519 | wl1251_error("could not alloc ieee80211_hw"); |
Bob Copeland | 8e639c0 | 2009-08-07 13:33:26 +0300 | [diff] [blame] | 1520 | return ERR_PTR(-ENOMEM); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1521 | } |
| 1522 | |
| 1523 | wl = hw->priv; |
| 1524 | memset(wl, 0, sizeof(*wl)); |
| 1525 | |
| 1526 | wl->hw = hw; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1527 | |
| 1528 | wl->data_in_count = 0; |
| 1529 | |
| 1530 | skb_queue_head_init(&wl->tx_queue); |
| 1531 | |
Juuso Oikarinen | d5da79a | 2009-11-17 18:48:37 +0200 | [diff] [blame] | 1532 | INIT_DELAYED_WORK(&wl->elp_work, wl1251_elp_work); |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1533 | wl->channel = WL1251_DEFAULT_CHANNEL; |
David Gnedt | 4d09b53 | 2014-01-07 13:07:52 +0100 | [diff] [blame] | 1534 | wl->monitor_present = false; |
David Gnedt | c8909e5 | 2014-01-07 13:10:14 +0100 | [diff] [blame] | 1535 | wl->joined = false; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1536 | wl->scanning = false; |
David Gnedt | c8909e5 | 2014-01-07 13:10:14 +0100 | [diff] [blame] | 1537 | wl->bss_type = MAX_BSS_TYPE; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1538 | wl->default_key = 0; |
| 1539 | wl->listen_int = 1; |
| 1540 | wl->rx_counter = 0; |
| 1541 | wl->rx_handled = 0; |
| 1542 | wl->rx_current_buffer = 0; |
| 1543 | wl->rx_last_id = 0; |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1544 | wl->rx_config = WL1251_DEFAULT_RX_CONFIG; |
| 1545 | wl->rx_filter = WL1251_DEFAULT_RX_FILTER; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1546 | wl->elp = false; |
Jarkko Nikula | a0bbb58 | 2011-04-04 11:04:57 +0300 | [diff] [blame] | 1547 | wl->station_mode = STATION_ACTIVE_MODE; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1548 | wl->psm_requested = false; |
David Gnedt | f7ad1ee | 2014-01-07 13:05:45 +0100 | [diff] [blame] | 1549 | wl->psm_entry_retry = 0; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1550 | wl->tx_queue_stopped = false; |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1551 | wl->power_level = WL1251_DEFAULT_POWER_LEVEL; |
David Gnedt | 8964e49 | 2011-01-30 20:11:00 +0100 | [diff] [blame] | 1552 | wl->rssi_thold = 0; |
Kalle Valo | e2fd461 | 2009-08-07 13:34:12 +0300 | [diff] [blame] | 1553 | wl->beacon_int = WL1251_DEFAULT_BEACON_INT; |
| 1554 | wl->dtim_period = WL1251_DEFAULT_DTIM_PERIOD; |
Juuso Oikarinen | 287f6f9 | 2009-11-17 18:48:23 +0200 | [diff] [blame] | 1555 | wl->vif = NULL; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1556 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1557 | for (i = 0; i < FW_TX_CMPLT_BLOCK_SIZE; i++) |
| 1558 | wl->tx_frames[i] = NULL; |
| 1559 | |
| 1560 | wl->next_tx_complete = 0; |
| 1561 | |
Kalle Valo | 0e71bb0 | 2009-08-07 13:33:57 +0300 | [diff] [blame] | 1562 | INIT_WORK(&wl->irq_work, wl1251_irq_work); |
| 1563 | INIT_WORK(&wl->tx_work, wl1251_tx_work); |
| 1564 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1565 | /* |
| 1566 | * In case our MAC address is not correctly set, |
| 1567 | * we use a random but Nokia MAC. |
| 1568 | */ |
| 1569 | memcpy(wl->mac_addr, nokia_oui, 3); |
| 1570 | get_random_bytes(wl->mac_addr + 3, 3); |
| 1571 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1572 | wl->state = WL1251_STATE_OFF; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1573 | mutex_init(&wl->mutex); |
Cong Wang | 9e2788c | 2017-08-31 16:47:43 +0200 | [diff] [blame] | 1574 | spin_lock_init(&wl->wl_lock); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1575 | |
| 1576 | wl->tx_mgmt_frm_rate = DEFAULT_HW_GEN_TX_RATE; |
| 1577 | wl->tx_mgmt_frm_mod = DEFAULT_HW_GEN_MODULATION_TYPE; |
| 1578 | |
Kalle Valo | 4721213 | 2009-06-12 14:15:08 +0300 | [diff] [blame] | 1579 | wl->rx_descriptor = kmalloc(sizeof(*wl->rx_descriptor), GFP_KERNEL); |
| 1580 | if (!wl->rx_descriptor) { |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1581 | wl1251_error("could not allocate memory for rx descriptor"); |
Bob Copeland | 8e639c0 | 2009-08-07 13:33:26 +0300 | [diff] [blame] | 1582 | ieee80211_free_hw(hw); |
| 1583 | return ERR_PTR(-ENOMEM); |
Kalle Valo | 4721213 | 2009-06-12 14:15:08 +0300 | [diff] [blame] | 1584 | } |
| 1585 | |
Bob Copeland | 8e639c0 | 2009-08-07 13:33:26 +0300 | [diff] [blame] | 1586 | return hw; |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1587 | } |
Bob Copeland | af8c78e | 2009-08-07 13:33:34 +0300 | [diff] [blame] | 1588 | EXPORT_SYMBOL_GPL(wl1251_alloc_hw); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1589 | |
Bob Copeland | 8e639c0 | 2009-08-07 13:33:26 +0300 | [diff] [blame] | 1590 | int wl1251_free_hw(struct wl1251 *wl) |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1591 | { |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1592 | ieee80211_unregister_hw(wl->hw); |
| 1593 | |
Kalle Valo | 80301cd | 2009-06-12 14:17:39 +0300 | [diff] [blame] | 1594 | wl1251_debugfs_exit(wl); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1595 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1596 | kfree(wl->target_mem_map); |
| 1597 | kfree(wl->data_path); |
Kalle Valo | c74ddfd | 2009-11-17 18:48:45 +0200 | [diff] [blame] | 1598 | vfree(wl->fw); |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1599 | wl->fw = NULL; |
| 1600 | kfree(wl->nvs); |
| 1601 | wl->nvs = NULL; |
Kalle Valo | 4721213 | 2009-06-12 14:15:08 +0300 | [diff] [blame] | 1602 | |
| 1603 | kfree(wl->rx_descriptor); |
| 1604 | wl->rx_descriptor = NULL; |
| 1605 | |
Kalle Valo | 2f01a1f | 2009-04-29 23:33:31 +0300 | [diff] [blame] | 1606 | ieee80211_free_hw(wl->hw); |
| 1607 | |
| 1608 | return 0; |
| 1609 | } |
Bob Copeland | af8c78e | 2009-08-07 13:33:34 +0300 | [diff] [blame] | 1610 | EXPORT_SYMBOL_GPL(wl1251_free_hw); |
| 1611 | |
Masanari Iida | fcc658d | 2015-03-30 22:27:47 +0900 | [diff] [blame] | 1612 | MODULE_DESCRIPTION("TI wl1251 Wireless LAN Driver Core"); |
Bob Copeland | af8c78e | 2009-08-07 13:33:34 +0300 | [diff] [blame] | 1613 | MODULE_LICENSE("GPL"); |
Kalle Valo | 31c726f | 2010-08-22 22:46:15 +0300 | [diff] [blame] | 1614 | MODULE_AUTHOR("Kalle Valo <kvalo@adurom.com>"); |
Ben Hutchings | 49f146d | 2009-11-07 22:02:15 +0000 | [diff] [blame] | 1615 | MODULE_FIRMWARE(WL1251_FW_NAME); |
Pavel Machek | deb6e6b | 2014-01-07 13:12:20 +0100 | [diff] [blame] | 1616 | MODULE_FIRMWARE(WL1251_NVS_NAME); |