Eyal Shapira | f1d63a5 | 2012-01-31 11:57:21 +0200 | [diff] [blame] | 1 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2 | /* |
Luciano Coelho | 8f6ac53 | 2013-05-04 01:06:11 +0300 | [diff] [blame] | 3 | * This file is part of wlcore |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4 | * |
Juuso Oikarinen | 8bf29b0 | 2010-02-18 13:25:51 +0200 | [diff] [blame] | 5 | * Copyright (C) 2008-2010 Nokia Corporation |
Luciano Coelho | 8f6ac53 | 2013-05-04 01:06:11 +0300 | [diff] [blame] | 6 | * Copyright (C) 2011-2013 Texas Instruments Inc. |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License |
| 10 | * version 2 as published by the Free Software Foundation. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, but |
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| 20 | * 02110-1301 USA |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #include <linux/module.h> |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 25 | #include <linux/firmware.h> |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 26 | #include <linux/etherdevice.h> |
Juuso Oikarinen | 1fba497 | 2009-10-08 21:56:32 +0300 | [diff] [blame] | 27 | #include <linux/vmalloc.h> |
Ido Yariv | 341b7cd | 2011-03-31 10:07:01 +0200 | [diff] [blame] | 28 | #include <linux/wl12xx.h> |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 29 | #include <linux/interrupt.h> |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 30 | |
Luciano Coelho | c31be25 | 2011-11-21 19:25:24 +0200 | [diff] [blame] | 31 | #include "wlcore.h" |
Luciano Coelho | 0f4e312 | 2011-10-07 11:02:42 +0300 | [diff] [blame] | 32 | #include "debug.h" |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 33 | #include "wl12xx_80211.h" |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 34 | #include "io.h" |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 35 | #include "tx.h" |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 36 | #include "ps.h" |
| 37 | #include "init.h" |
| 38 | #include "debugfs.h" |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 39 | #include "testmode.h" |
| 40 | #include "scan.h" |
Arik Nemtsov | 53d67a5 | 2011-12-12 11:32:37 +0200 | [diff] [blame] | 41 | #include "hw_ops.h" |
Luciano Coelho | 33cab57 | 2013-05-04 02:46:38 +0300 | [diff] [blame] | 42 | #include "sysfs.h" |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 43 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 44 | #define WL1271_BOOT_RETRIES 3 |
| 45 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 46 | static char *fwlog_param; |
Ido Reis | 93ac848 | 2013-09-09 12:24:36 +0300 | [diff] [blame] | 47 | static int fwlog_mem_blocks = -1; |
Yair Shapira | 7230341 | 2012-11-26 18:05:50 +0200 | [diff] [blame] | 48 | static int bug_on_recovery = -1; |
| 49 | static int no_recovery = -1; |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 50 | |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 51 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 52 | struct ieee80211_vif *vif, |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 53 | bool reset_tx_queues); |
Ido Yariv | c24ec83 | 2012-06-26 21:08:58 +0300 | [diff] [blame] | 54 | static void wlcore_op_stop_locked(struct wl1271 *wl); |
Eliad Peller | 170d0e6 | 2011-10-05 11:56:06 +0200 | [diff] [blame] | 55 | static void wl1271_free_ap_keys(struct wl1271 *wl, struct wl12xx_vif *wlvif); |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 56 | |
Luciano Coelho | 8f6ac53 | 2013-05-04 01:06:11 +0300 | [diff] [blame] | 57 | static int wl12xx_set_authorized(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
Eliad Peller | ef4b29e | 2011-06-06 13:03:12 +0300 | [diff] [blame] | 58 | { |
| 59 | int ret; |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 60 | |
Eliad Peller | 9fd6f21 | 2012-03-04 10:55:48 +0200 | [diff] [blame] | 61 | if (WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS)) |
| 62 | return -EINVAL; |
| 63 | |
| 64 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
Eliad Peller | ef4b29e | 2011-06-06 13:03:12 +0300 | [diff] [blame] | 65 | return 0; |
| 66 | |
Eliad Peller | 8181aec | 2011-10-10 10:13:04 +0200 | [diff] [blame] | 67 | if (test_and_set_bit(WLVIF_FLAG_STA_STATE_SENT, &wlvif->flags)) |
Eliad Peller | ef4b29e | 2011-06-06 13:03:12 +0300 | [diff] [blame] | 68 | return 0; |
| 69 | |
Eliad Peller | d50529c | 2012-11-22 18:06:20 +0200 | [diff] [blame] | 70 | ret = wl12xx_cmd_set_peer_state(wl, wlvif, wlvif->sta.hlid); |
Eliad Peller | ef4b29e | 2011-06-06 13:03:12 +0300 | [diff] [blame] | 71 | if (ret < 0) |
| 72 | return ret; |
| 73 | |
| 74 | wl1271_info("Association completed."); |
| 75 | return 0; |
| 76 | } |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 77 | |
Luis R. Rodriguez | 0c0280b | 2013-01-11 18:39:36 +0000 | [diff] [blame] | 78 | static void wl1271_reg_notify(struct wiphy *wiphy, |
| 79 | struct regulatory_request *request) |
Luciano Coelho | 573c67c | 2010-11-26 13:44:59 +0200 | [diff] [blame] | 80 | { |
Juuso Oikarinen | b7417d9 | 2010-11-10 11:27:19 +0100 | [diff] [blame] | 81 | struct ieee80211_supported_band *band; |
| 82 | struct ieee80211_channel *ch; |
| 83 | int i; |
Victor Goldenshtein | 6b70e7e | 2012-11-25 18:26:59 +0200 | [diff] [blame] | 84 | struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); |
| 85 | struct wl1271 *wl = hw->priv; |
Juuso Oikarinen | b7417d9 | 2010-11-10 11:27:19 +0100 | [diff] [blame] | 86 | |
| 87 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; |
| 88 | for (i = 0; i < band->n_channels; i++) { |
| 89 | ch = &band->channels[i]; |
| 90 | if (ch->flags & IEEE80211_CHAN_DISABLED) |
| 91 | continue; |
| 92 | |
| 93 | if (ch->flags & IEEE80211_CHAN_RADAR) |
Luis R. Rodriguez | 8fe02e1 | 2013-10-21 19:22:25 +0200 | [diff] [blame] | 94 | ch->flags |= IEEE80211_CHAN_NO_IR; |
Juuso Oikarinen | b7417d9 | 2010-11-10 11:27:19 +0100 | [diff] [blame] | 95 | |
| 96 | } |
| 97 | |
Arik Nemtsov | 75592be | 2013-03-12 17:19:45 +0200 | [diff] [blame] | 98 | wlcore_regdomain_config(wl); |
Juuso Oikarinen | b7417d9 | 2010-11-10 11:27:19 +0100 | [diff] [blame] | 99 | } |
| 100 | |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 101 | static int wl1271_set_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
| 102 | bool enable) |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 103 | { |
| 104 | int ret = 0; |
| 105 | |
| 106 | /* we should hold wl->mutex */ |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 107 | ret = wl1271_acx_ps_rx_streaming(wl, wlvif, enable); |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 108 | if (ret < 0) |
| 109 | goto out; |
| 110 | |
| 111 | if (enable) |
Eliad Peller | 0744bdb | 2011-10-10 10:13:05 +0200 | [diff] [blame] | 112 | set_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags); |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 113 | else |
Eliad Peller | 0744bdb | 2011-10-10 10:13:05 +0200 | [diff] [blame] | 114 | clear_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags); |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 115 | out: |
| 116 | return ret; |
| 117 | } |
| 118 | |
| 119 | /* |
| 120 | * this function is being called when the rx_streaming interval |
| 121 | * has beed changed or rx_streaming should be disabled |
| 122 | */ |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 123 | int wl1271_recalc_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 124 | { |
| 125 | int ret = 0; |
| 126 | int period = wl->conf.rx_streaming.interval; |
| 127 | |
| 128 | /* don't reconfigure if rx_streaming is disabled */ |
Eliad Peller | 0744bdb | 2011-10-10 10:13:05 +0200 | [diff] [blame] | 129 | if (!test_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags)) |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 130 | goto out; |
| 131 | |
| 132 | /* reconfigure/disable according to new streaming_period */ |
| 133 | if (period && |
Eliad Peller | ba8447f | 2011-10-10 10:13:00 +0200 | [diff] [blame] | 134 | test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) && |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 135 | (wl->conf.rx_streaming.always || |
| 136 | test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 137 | ret = wl1271_set_rx_streaming(wl, wlvif, true); |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 138 | else { |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 139 | ret = wl1271_set_rx_streaming(wl, wlvif, false); |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 140 | /* don't cancel_work_sync since we might deadlock */ |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 141 | del_timer_sync(&wlvif->rx_streaming_timer); |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 142 | } |
| 143 | out: |
| 144 | return ret; |
| 145 | } |
| 146 | |
| 147 | static void wl1271_rx_streaming_enable_work(struct work_struct *work) |
| 148 | { |
| 149 | int ret; |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 150 | struct wl12xx_vif *wlvif = container_of(work, struct wl12xx_vif, |
| 151 | rx_streaming_enable_work); |
| 152 | struct wl1271 *wl = wlvif->wl; |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 153 | |
| 154 | mutex_lock(&wl->mutex); |
| 155 | |
Eliad Peller | 0744bdb | 2011-10-10 10:13:05 +0200 | [diff] [blame] | 156 | if (test_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags) || |
Eliad Peller | ba8447f | 2011-10-10 10:13:00 +0200 | [diff] [blame] | 157 | !test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) || |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 158 | (!wl->conf.rx_streaming.always && |
| 159 | !test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) |
| 160 | goto out; |
| 161 | |
| 162 | if (!wl->conf.rx_streaming.interval) |
| 163 | goto out; |
| 164 | |
| 165 | ret = wl1271_ps_elp_wakeup(wl); |
| 166 | if (ret < 0) |
| 167 | goto out; |
| 168 | |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 169 | ret = wl1271_set_rx_streaming(wl, wlvif, true); |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 170 | if (ret < 0) |
| 171 | goto out_sleep; |
| 172 | |
| 173 | /* stop it after some time of inactivity */ |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 174 | mod_timer(&wlvif->rx_streaming_timer, |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 175 | jiffies + msecs_to_jiffies(wl->conf.rx_streaming.duration)); |
| 176 | |
| 177 | out_sleep: |
| 178 | wl1271_ps_elp_sleep(wl); |
| 179 | out: |
| 180 | mutex_unlock(&wl->mutex); |
| 181 | } |
| 182 | |
| 183 | static void wl1271_rx_streaming_disable_work(struct work_struct *work) |
| 184 | { |
| 185 | int ret; |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 186 | struct wl12xx_vif *wlvif = container_of(work, struct wl12xx_vif, |
| 187 | rx_streaming_disable_work); |
| 188 | struct wl1271 *wl = wlvif->wl; |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 189 | |
| 190 | mutex_lock(&wl->mutex); |
| 191 | |
Eliad Peller | 0744bdb | 2011-10-10 10:13:05 +0200 | [diff] [blame] | 192 | if (!test_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags)) |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 193 | goto out; |
| 194 | |
| 195 | ret = wl1271_ps_elp_wakeup(wl); |
| 196 | if (ret < 0) |
| 197 | goto out; |
| 198 | |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 199 | ret = wl1271_set_rx_streaming(wl, wlvif, false); |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 200 | if (ret) |
| 201 | goto out_sleep; |
| 202 | |
| 203 | out_sleep: |
| 204 | wl1271_ps_elp_sleep(wl); |
| 205 | out: |
| 206 | mutex_unlock(&wl->mutex); |
| 207 | } |
| 208 | |
| 209 | static void wl1271_rx_streaming_timer(unsigned long data) |
| 210 | { |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 211 | struct wl12xx_vif *wlvif = (struct wl12xx_vif *)data; |
| 212 | struct wl1271 *wl = wlvif->wl; |
| 213 | ieee80211_queue_work(wl->hw, &wlvif->rx_streaming_disable_work); |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 214 | } |
| 215 | |
Arik Nemtsov | 55df5af | 2012-03-03 22:18:00 +0200 | [diff] [blame] | 216 | /* wl->mutex must be taken */ |
| 217 | void wl12xx_rearm_tx_watchdog_locked(struct wl1271 *wl) |
| 218 | { |
| 219 | /* if the watchdog is not armed, don't do anything */ |
| 220 | if (wl->tx_allocated_blocks == 0) |
| 221 | return; |
| 222 | |
| 223 | cancel_delayed_work(&wl->tx_watchdog_work); |
| 224 | ieee80211_queue_delayed_work(wl->hw, &wl->tx_watchdog_work, |
| 225 | msecs_to_jiffies(wl->conf.tx.tx_watchdog_timeout)); |
| 226 | } |
| 227 | |
| 228 | static void wl12xx_tx_watchdog_work(struct work_struct *work) |
| 229 | { |
| 230 | struct delayed_work *dwork; |
| 231 | struct wl1271 *wl; |
| 232 | |
| 233 | dwork = container_of(work, struct delayed_work, work); |
| 234 | wl = container_of(dwork, struct wl1271, tx_watchdog_work); |
| 235 | |
| 236 | mutex_lock(&wl->mutex); |
| 237 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 238 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
Arik Nemtsov | 55df5af | 2012-03-03 22:18:00 +0200 | [diff] [blame] | 239 | goto out; |
| 240 | |
| 241 | /* Tx went out in the meantime - everything is ok */ |
| 242 | if (unlikely(wl->tx_allocated_blocks == 0)) |
| 243 | goto out; |
| 244 | |
| 245 | /* |
| 246 | * if a ROC is in progress, we might not have any Tx for a long |
| 247 | * time (e.g. pending Tx on the non-ROC channels) |
| 248 | */ |
| 249 | if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES) { |
| 250 | wl1271_debug(DEBUG_TX, "No Tx (in FW) for %d ms due to ROC", |
| 251 | wl->conf.tx.tx_watchdog_timeout); |
| 252 | wl12xx_rearm_tx_watchdog_locked(wl); |
| 253 | goto out; |
| 254 | } |
| 255 | |
| 256 | /* |
| 257 | * if a scan is in progress, we might not have any Tx for a long |
| 258 | * time |
| 259 | */ |
| 260 | if (wl->scan.state != WL1271_SCAN_STATE_IDLE) { |
| 261 | wl1271_debug(DEBUG_TX, "No Tx (in FW) for %d ms due to scan", |
| 262 | wl->conf.tx.tx_watchdog_timeout); |
| 263 | wl12xx_rearm_tx_watchdog_locked(wl); |
| 264 | goto out; |
| 265 | } |
| 266 | |
| 267 | /* |
| 268 | * AP might cache a frame for a long time for a sleeping station, |
| 269 | * so rearm the timer if there's an AP interface with stations. If |
| 270 | * Tx is genuinely stuck we will most hopefully discover it when all |
| 271 | * stations are removed due to inactivity. |
| 272 | */ |
| 273 | if (wl->active_sta_count) { |
| 274 | wl1271_debug(DEBUG_TX, "No Tx (in FW) for %d ms. AP has " |
| 275 | " %d stations", |
| 276 | wl->conf.tx.tx_watchdog_timeout, |
| 277 | wl->active_sta_count); |
| 278 | wl12xx_rearm_tx_watchdog_locked(wl); |
| 279 | goto out; |
| 280 | } |
| 281 | |
| 282 | wl1271_error("Tx stuck (in FW) for %d ms. Starting recovery", |
| 283 | wl->conf.tx.tx_watchdog_timeout); |
| 284 | wl12xx_queue_recovery_work(wl); |
| 285 | |
| 286 | out: |
| 287 | mutex_unlock(&wl->mutex); |
| 288 | } |
| 289 | |
Luciano Coelho | e87288f | 2011-12-05 16:12:54 +0200 | [diff] [blame] | 290 | static void wlcore_adjust_conf(struct wl1271 *wl) |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 291 | { |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 292 | /* Adjust settings according to optional module parameters */ |
Yair Shapira | 7230341 | 2012-11-26 18:05:50 +0200 | [diff] [blame] | 293 | |
Ido Reis | 93ac848 | 2013-09-09 12:24:36 +0300 | [diff] [blame] | 294 | /* Firmware Logger params */ |
| 295 | if (fwlog_mem_blocks != -1) { |
| 296 | if (fwlog_mem_blocks >= CONF_FWLOG_MIN_MEM_BLOCKS && |
| 297 | fwlog_mem_blocks <= CONF_FWLOG_MAX_MEM_BLOCKS) { |
| 298 | wl->conf.fwlog.mem_blocks = fwlog_mem_blocks; |
| 299 | } else { |
| 300 | wl1271_error( |
| 301 | "Illegal fwlog_mem_blocks=%d using default %d", |
| 302 | fwlog_mem_blocks, wl->conf.fwlog.mem_blocks); |
| 303 | } |
| 304 | } |
| 305 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 306 | if (fwlog_param) { |
| 307 | if (!strcmp(fwlog_param, "continuous")) { |
| 308 | wl->conf.fwlog.mode = WL12XX_FWLOG_CONTINUOUS; |
| 309 | } else if (!strcmp(fwlog_param, "ondemand")) { |
| 310 | wl->conf.fwlog.mode = WL12XX_FWLOG_ON_DEMAND; |
| 311 | } else if (!strcmp(fwlog_param, "dbgpins")) { |
| 312 | wl->conf.fwlog.mode = WL12XX_FWLOG_CONTINUOUS; |
| 313 | wl->conf.fwlog.output = WL12XX_FWLOG_OUTPUT_DBG_PINS; |
| 314 | } else if (!strcmp(fwlog_param, "disable")) { |
| 315 | wl->conf.fwlog.mem_blocks = 0; |
| 316 | wl->conf.fwlog.output = WL12XX_FWLOG_OUTPUT_NONE; |
| 317 | } else { |
| 318 | wl1271_error("Unknown fwlog parameter %s", fwlog_param); |
| 319 | } |
| 320 | } |
Yair Shapira | 7230341 | 2012-11-26 18:05:50 +0200 | [diff] [blame] | 321 | |
| 322 | if (bug_on_recovery != -1) |
| 323 | wl->conf.recovery.bug_on_recovery = (u8) bug_on_recovery; |
| 324 | |
| 325 | if (no_recovery != -1) |
| 326 | wl->conf.recovery.no_recovery = (u8) no_recovery; |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 327 | } |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 328 | |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 329 | static void wl12xx_irq_ps_regulate_link(struct wl1271 *wl, |
| 330 | struct wl12xx_vif *wlvif, |
| 331 | u8 hlid, u8 tx_pkts) |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 332 | { |
Arik Nemtsov | 37c68ea | 2013-03-12 17:19:36 +0200 | [diff] [blame] | 333 | bool fw_ps; |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 334 | |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 335 | fw_ps = test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); |
| 336 | |
| 337 | /* |
| 338 | * Wake up from high level PS if the STA is asleep with too little |
Arik Nemtsov | 9b17f1b | 2011-08-14 13:17:35 +0300 | [diff] [blame] | 339 | * packets in FW or if the STA is awake. |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 340 | */ |
Arik Nemtsov | 9b17f1b | 2011-08-14 13:17:35 +0300 | [diff] [blame] | 341 | if (!fw_ps || tx_pkts < WL1271_PS_STA_MAX_PACKETS) |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 342 | wl12xx_ps_link_end(wl, wlvif, hlid); |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 343 | |
Arik Nemtsov | da03209 | 2011-08-25 12:43:15 +0300 | [diff] [blame] | 344 | /* |
| 345 | * Start high-level PS if the STA is asleep with enough blocks in FW. |
Arik Nemtsov | 9a10096 | 2012-11-28 11:42:42 +0200 | [diff] [blame] | 346 | * Make an exception if this is the only connected link. In this |
| 347 | * case FW-memory congestion is less of a problem. |
Eliad Peller | 41ed1a7 | 2014-02-10 13:47:30 +0200 | [diff] [blame] | 348 | * Note that a single connected STA means 2*ap_count + 1 active links, |
| 349 | * since we must account for the global and broadcast AP links |
| 350 | * for each AP. The "fw_ps" check assures us the other link is a STA |
| 351 | * connected to the AP. Otherwise the FW would not set the PSM bit. |
Arik Nemtsov | da03209 | 2011-08-25 12:43:15 +0300 | [diff] [blame] | 352 | */ |
Eliad Peller | 41ed1a7 | 2014-02-10 13:47:30 +0200 | [diff] [blame] | 353 | else if (wl->active_link_count > (wl->ap_count*2 + 1) && fw_ps && |
Arik Nemtsov | 37c68ea | 2013-03-12 17:19:36 +0200 | [diff] [blame] | 354 | tx_pkts >= WL1271_PS_STA_MAX_PACKETS) |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 355 | wl12xx_ps_link_start(wl, wlvif, hlid, true); |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 356 | } |
| 357 | |
Arik Nemtsov | 9b17f1b | 2011-08-14 13:17:35 +0300 | [diff] [blame] | 358 | static void wl12xx_irq_update_links_status(struct wl1271 *wl, |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 359 | struct wl12xx_vif *wlvif, |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 360 | struct wl_fw_status *status) |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 361 | { |
| 362 | u32 cur_fw_ps_map; |
Arik Nemtsov | 9ebcb23 | 2012-11-27 08:44:59 +0200 | [diff] [blame] | 363 | u8 hlid; |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 364 | |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 365 | cur_fw_ps_map = status->link_ps_bitmap; |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 366 | if (wl->ap_fw_ps_map != cur_fw_ps_map) { |
| 367 | wl1271_debug(DEBUG_PSM, |
| 368 | "link ps prev 0x%x cur 0x%x changed 0x%x", |
| 369 | wl->ap_fw_ps_map, cur_fw_ps_map, |
| 370 | wl->ap_fw_ps_map ^ cur_fw_ps_map); |
| 371 | |
| 372 | wl->ap_fw_ps_map = cur_fw_ps_map; |
| 373 | } |
| 374 | |
Eliad Peller | da08fdf | 2014-02-10 13:47:22 +0200 | [diff] [blame] | 375 | for_each_set_bit(hlid, wlvif->ap.sta_hlid_map, wl->num_links) |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 376 | wl12xx_irq_ps_regulate_link(wl, wlvif, hlid, |
Arik Nemtsov | 9ebcb23 | 2012-11-27 08:44:59 +0200 | [diff] [blame] | 377 | wl->links[hlid].allocated_pkts); |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 378 | } |
| 379 | |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 380 | static int wlcore_fw_status(struct wl1271 *wl, struct wl_fw_status *status) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 381 | { |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 382 | struct wl12xx_vif *wlvif; |
Juuso Oikarinen | ac5e1e3 | 2010-02-22 08:38:38 +0200 | [diff] [blame] | 383 | struct timespec ts; |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 384 | u32 old_tx_blk_count = wl->tx_blocks_available; |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 385 | int avail, freed_blocks; |
Arik Nemtsov | bf54e30 | 2011-08-14 13:17:32 +0300 | [diff] [blame] | 386 | int i; |
Ido Yariv | 8b7c0fc | 2012-06-17 21:59:42 +0300 | [diff] [blame] | 387 | int ret; |
Arik Nemtsov | 9ebcb23 | 2012-11-27 08:44:59 +0200 | [diff] [blame] | 388 | struct wl1271_link *lnk; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 389 | |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 390 | ret = wlcore_raw_read_data(wl, REG_RAW_FW_STATUS_ADDR, |
| 391 | wl->raw_fw_status, |
| 392 | wl->fw_status_len, false); |
Ido Yariv | 8b7c0fc | 2012-06-17 21:59:42 +0300 | [diff] [blame] | 393 | if (ret < 0) |
| 394 | return ret; |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 395 | |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 396 | wlcore_hw_convert_fw_status(wl, wl->raw_fw_status, wl->fw_status); |
| 397 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 398 | wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " |
| 399 | "drv_rx_counter = %d, tx_results_counter = %d)", |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 400 | status->intr, |
| 401 | status->fw_rx_counter, |
| 402 | status->drv_rx_counter, |
| 403 | status->tx_results_counter); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 404 | |
Arik Nemtsov | bf54e30 | 2011-08-14 13:17:32 +0300 | [diff] [blame] | 405 | for (i = 0; i < NUM_TX_QUEUES; i++) { |
| 406 | /* prevent wrap-around in freed-packets counter */ |
Arik Nemtsov | 742246f | 2011-08-14 13:17:33 +0300 | [diff] [blame] | 407 | wl->tx_allocated_pkts[i] -= |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 408 | (status->counters.tx_released_pkts[i] - |
Arik Nemtsov | bf54e30 | 2011-08-14 13:17:32 +0300 | [diff] [blame] | 409 | wl->tx_pkts_freed[i]) & 0xff; |
| 410 | |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 411 | wl->tx_pkts_freed[i] = status->counters.tx_released_pkts[i]; |
Arik Nemtsov | bf54e30 | 2011-08-14 13:17:32 +0300 | [diff] [blame] | 412 | } |
| 413 | |
Arik Nemtsov | 9ebcb23 | 2012-11-27 08:44:59 +0200 | [diff] [blame] | 414 | |
Eliad Peller | da08fdf | 2014-02-10 13:47:22 +0200 | [diff] [blame] | 415 | for_each_set_bit(i, wl->links_map, wl->num_links) { |
Arik Nemtsov | 93d5d10 | 2013-03-12 17:19:38 +0200 | [diff] [blame] | 416 | u8 diff; |
Arik Nemtsov | 9ebcb23 | 2012-11-27 08:44:59 +0200 | [diff] [blame] | 417 | lnk = &wl->links[i]; |
Arik Nemtsov | 9ebcb23 | 2012-11-27 08:44:59 +0200 | [diff] [blame] | 418 | |
Arik Nemtsov | 93d5d10 | 2013-03-12 17:19:38 +0200 | [diff] [blame] | 419 | /* prevent wrap-around in freed-packets counter */ |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 420 | diff = (status->counters.tx_lnk_free_pkts[i] - |
Arik Nemtsov | 93d5d10 | 2013-03-12 17:19:38 +0200 | [diff] [blame] | 421 | lnk->prev_freed_pkts) & 0xff; |
| 422 | |
| 423 | if (diff == 0) |
| 424 | continue; |
| 425 | |
| 426 | lnk->allocated_pkts -= diff; |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 427 | lnk->prev_freed_pkts = status->counters.tx_lnk_free_pkts[i]; |
Arik Nemtsov | 93d5d10 | 2013-03-12 17:19:38 +0200 | [diff] [blame] | 428 | |
| 429 | /* accumulate the prev_freed_pkts counter */ |
| 430 | lnk->total_freed_pkts += diff; |
Arik Nemtsov | 9ebcb23 | 2012-11-27 08:44:59 +0200 | [diff] [blame] | 431 | } |
| 432 | |
Arik Nemtsov | bdf91cf | 2011-08-14 13:17:34 +0300 | [diff] [blame] | 433 | /* prevent wrap-around in total blocks counter */ |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 434 | if (likely(wl->tx_blocks_freed <= status->total_released_blks)) |
| 435 | freed_blocks = status->total_released_blks - |
Arik Nemtsov | bdf91cf | 2011-08-14 13:17:34 +0300 | [diff] [blame] | 436 | wl->tx_blocks_freed; |
| 437 | else |
| 438 | freed_blocks = 0x100000000LL - wl->tx_blocks_freed + |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 439 | status->total_released_blks; |
Arik Nemtsov | bdf91cf | 2011-08-14 13:17:34 +0300 | [diff] [blame] | 440 | |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 441 | wl->tx_blocks_freed = status->total_released_blks; |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 442 | |
Arik Nemtsov | 7bb5d6c | 2011-08-14 13:17:00 +0300 | [diff] [blame] | 443 | wl->tx_allocated_blocks -= freed_blocks; |
| 444 | |
Arik Nemtsov | 55df5af | 2012-03-03 22:18:00 +0200 | [diff] [blame] | 445 | /* |
| 446 | * If the FW freed some blocks: |
| 447 | * If we still have allocated blocks - re-arm the timer, Tx is |
| 448 | * not stuck. Otherwise, cancel the timer (no Tx currently). |
| 449 | */ |
| 450 | if (freed_blocks) { |
| 451 | if (wl->tx_allocated_blocks) |
| 452 | wl12xx_rearm_tx_watchdog_locked(wl); |
| 453 | else |
| 454 | cancel_delayed_work(&wl->tx_watchdog_work); |
| 455 | } |
| 456 | |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 457 | avail = status->tx_total - wl->tx_allocated_blocks; |
Ido Yariv | d2f4d47 | 2011-03-31 10:07:00 +0200 | [diff] [blame] | 458 | |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 459 | /* |
| 460 | * The FW might change the total number of TX memblocks before |
| 461 | * we get a notification about blocks being released. Thus, the |
| 462 | * available blocks calculation might yield a temporary result |
| 463 | * which is lower than the actual available blocks. Keeping in |
| 464 | * mind that only blocks that were allocated can be moved from |
| 465 | * TX to RX, tx_blocks_available should never decrease here. |
| 466 | */ |
| 467 | wl->tx_blocks_available = max((int)wl->tx_blocks_available, |
| 468 | avail); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 469 | |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 470 | /* if more blocks are available now, tx work can be scheduled */ |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 471 | if (wl->tx_blocks_available > old_tx_blk_count) |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 472 | clear_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 473 | |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 474 | /* for AP update num of allocated TX blocks per link and ps status */ |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 475 | wl12xx_for_each_wlvif_ap(wl, wlvif) { |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 476 | wl12xx_irq_update_links_status(wl, wlvif, status); |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 477 | } |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 478 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 479 | /* update the host-chipset time offset */ |
Juuso Oikarinen | ac5e1e3 | 2010-02-22 08:38:38 +0200 | [diff] [blame] | 480 | getnstimeofday(&ts); |
| 481 | wl->time_offset = (timespec_to_ns(&ts) >> 10) - |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 482 | (s64)(status->fw_localtime); |
Ido Yariv | 8b7c0fc | 2012-06-17 21:59:42 +0300 | [diff] [blame] | 483 | |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 484 | wl->fw_fast_lnk_map = status->link_fast_bitmap; |
Arik Nemtsov | 0e81047 | 2012-11-27 08:45:00 +0200 | [diff] [blame] | 485 | |
Ido Yariv | 8b7c0fc | 2012-06-17 21:59:42 +0300 | [diff] [blame] | 486 | return 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 487 | } |
| 488 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 489 | static void wl1271_flush_deferred_work(struct wl1271 *wl) |
| 490 | { |
| 491 | struct sk_buff *skb; |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 492 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 493 | /* Pass all received frames to the network stack */ |
| 494 | while ((skb = skb_dequeue(&wl->deferred_rx_queue))) |
| 495 | ieee80211_rx_ni(wl->hw, skb); |
| 496 | |
| 497 | /* Return sent skbs to the network stack */ |
| 498 | while ((skb = skb_dequeue(&wl->deferred_tx_queue))) |
Eliad Peller | c27d3ac | 2011-06-07 10:40:39 +0300 | [diff] [blame] | 499 | ieee80211_tx_status_ni(wl->hw, skb); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 500 | } |
| 501 | |
| 502 | static void wl1271_netstack_work(struct work_struct *work) |
| 503 | { |
| 504 | struct wl1271 *wl = |
| 505 | container_of(work, struct wl1271, netstack_work); |
| 506 | |
| 507 | do { |
| 508 | wl1271_flush_deferred_work(wl); |
| 509 | } while (skb_queue_len(&wl->deferred_rx_queue)); |
| 510 | } |
| 511 | |
| 512 | #define WL1271_IRQ_MAX_LOOPS 256 |
| 513 | |
Arik Nemtsov | b5b45b3 | 2012-06-21 18:10:51 +0300 | [diff] [blame] | 514 | static int wlcore_irq_locked(struct wl1271 *wl) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 515 | { |
Arik Nemtsov | b5b45b3 | 2012-06-21 18:10:51 +0300 | [diff] [blame] | 516 | int ret = 0; |
Juuso Oikarinen | c15f63b | 2009-10-12 15:08:50 +0300 | [diff] [blame] | 517 | u32 intr; |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 518 | int loopcount = WL1271_IRQ_MAX_LOOPS; |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 519 | bool done = false; |
| 520 | unsigned int defer_count; |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 521 | unsigned long flags; |
| 522 | |
Ido Yariv | 341b7cd | 2011-03-31 10:07:01 +0200 | [diff] [blame] | 523 | /* |
| 524 | * In case edge triggered interrupt must be used, we cannot iterate |
| 525 | * more than once without introducing race conditions with the hardirq. |
| 526 | */ |
| 527 | if (wl->platform_quirks & WL12XX_PLATFORM_QUIRK_EDGE_IRQ) |
| 528 | loopcount = 1; |
| 529 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 530 | wl1271_debug(DEBUG_IRQ, "IRQ work"); |
| 531 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 532 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 533 | goto out; |
| 534 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 535 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 536 | if (ret < 0) |
| 537 | goto out; |
| 538 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 539 | while (!done && loopcount--) { |
| 540 | /* |
| 541 | * In order to avoid a race with the hardirq, clear the flag |
| 542 | * before acknowledging the chip. Since the mutex is held, |
| 543 | * wl1271_ps_elp_wakeup cannot be called concurrently. |
| 544 | */ |
| 545 | clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); |
Peter Zijlstra | 4e857c5 | 2014-03-17 18:06:10 +0100 | [diff] [blame] | 546 | smp_mb__after_atomic(); |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 547 | |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 548 | ret = wlcore_fw_status(wl, wl->fw_status); |
Arik Nemtsov | b5b45b3 | 2012-06-21 18:10:51 +0300 | [diff] [blame] | 549 | if (ret < 0) |
Ido Yariv | 8b7c0fc | 2012-06-17 21:59:42 +0300 | [diff] [blame] | 550 | goto out; |
Arik Nemtsov | 53d67a5 | 2011-12-12 11:32:37 +0200 | [diff] [blame] | 551 | |
| 552 | wlcore_hw_tx_immediate_compl(wl); |
| 553 | |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 554 | intr = wl->fw_status->intr; |
Ido Reis | f5755fe | 2012-04-23 17:35:25 +0300 | [diff] [blame] | 555 | intr &= WLCORE_ALL_INTR_MASK; |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 556 | if (!intr) { |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 557 | done = true; |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 558 | continue; |
| 559 | } |
| 560 | |
Eliad Peller | ccc83b0 | 2010-10-27 14:09:57 +0200 | [diff] [blame] | 561 | if (unlikely(intr & WL1271_ACX_INTR_WATCHDOG)) { |
Ido Reis | f5755fe | 2012-04-23 17:35:25 +0300 | [diff] [blame] | 562 | wl1271_error("HW watchdog interrupt received! starting recovery."); |
| 563 | wl->watchdog_recovery = true; |
Arik Nemtsov | b5b45b3 | 2012-06-21 18:10:51 +0300 | [diff] [blame] | 564 | ret = -EIO; |
Ido Reis | f5755fe | 2012-04-23 17:35:25 +0300 | [diff] [blame] | 565 | |
| 566 | /* restarting the chip. ignore any other interrupt. */ |
| 567 | goto out; |
| 568 | } |
| 569 | |
| 570 | if (unlikely(intr & WL1271_ACX_SW_INTR_WATCHDOG)) { |
| 571 | wl1271_error("SW watchdog interrupt received! " |
Eliad Peller | ccc83b0 | 2010-10-27 14:09:57 +0200 | [diff] [blame] | 572 | "starting recovery."); |
Yoni Divinsky | afbe371 | 2012-05-16 11:34:18 +0300 | [diff] [blame] | 573 | wl->watchdog_recovery = true; |
Arik Nemtsov | b5b45b3 | 2012-06-21 18:10:51 +0300 | [diff] [blame] | 574 | ret = -EIO; |
Eliad Peller | ccc83b0 | 2010-10-27 14:09:57 +0200 | [diff] [blame] | 575 | |
| 576 | /* restarting the chip. ignore any other interrupt. */ |
| 577 | goto out; |
| 578 | } |
| 579 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 580 | if (likely(intr & WL1271_ACX_INTR_DATA)) { |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 581 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); |
| 582 | |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 583 | ret = wlcore_rx(wl, wl->fw_status); |
Arik Nemtsov | b5b45b3 | 2012-06-21 18:10:51 +0300 | [diff] [blame] | 584 | if (ret < 0) |
Ido Yariv | 045b9b5 | 2012-06-18 12:31:16 +0300 | [diff] [blame] | 585 | goto out; |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 586 | |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 587 | /* Check if any tx blocks were freed */ |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 588 | spin_lock_irqsave(&wl->wl_lock, flags); |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 589 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
Arik Nemtsov | f1a4638 | 2011-07-07 14:25:23 +0300 | [diff] [blame] | 590 | wl1271_tx_total_queue_count(wl) > 0) { |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 591 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 592 | /* |
| 593 | * In order to avoid starvation of the TX path, |
| 594 | * call the work function directly. |
| 595 | */ |
Ido Yariv | eb96f84 | 2012-06-18 13:21:55 +0300 | [diff] [blame] | 596 | ret = wlcore_tx_work_locked(wl); |
Arik Nemtsov | b5b45b3 | 2012-06-21 18:10:51 +0300 | [diff] [blame] | 597 | if (ret < 0) |
Ido Yariv | eb96f84 | 2012-06-18 13:21:55 +0300 | [diff] [blame] | 598 | goto out; |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 599 | } else { |
| 600 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 601 | } |
| 602 | |
Ido Yariv | 8aad246 | 2011-03-01 15:14:38 +0200 | [diff] [blame] | 603 | /* check for tx results */ |
Ido Yariv | 045b9b5 | 2012-06-18 12:31:16 +0300 | [diff] [blame] | 604 | ret = wlcore_hw_tx_delayed_compl(wl); |
Arik Nemtsov | b5b45b3 | 2012-06-21 18:10:51 +0300 | [diff] [blame] | 605 | if (ret < 0) |
Ido Yariv | 045b9b5 | 2012-06-18 12:31:16 +0300 | [diff] [blame] | 606 | goto out; |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 607 | |
| 608 | /* Make sure the deferred queues don't get too long */ |
| 609 | defer_count = skb_queue_len(&wl->deferred_tx_queue) + |
| 610 | skb_queue_len(&wl->deferred_rx_queue); |
| 611 | if (defer_count > WL1271_DEFERRED_QUEUE_LIMIT) |
| 612 | wl1271_flush_deferred_work(wl); |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 613 | } |
| 614 | |
| 615 | if (intr & WL1271_ACX_INTR_EVENT_A) { |
| 616 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A"); |
Ido Yariv | 045b9b5 | 2012-06-18 12:31:16 +0300 | [diff] [blame] | 617 | ret = wl1271_event_handle(wl, 0); |
Arik Nemtsov | b5b45b3 | 2012-06-21 18:10:51 +0300 | [diff] [blame] | 618 | if (ret < 0) |
Ido Yariv | 045b9b5 | 2012-06-18 12:31:16 +0300 | [diff] [blame] | 619 | goto out; |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 620 | } |
| 621 | |
| 622 | if (intr & WL1271_ACX_INTR_EVENT_B) { |
| 623 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B"); |
Ido Yariv | 045b9b5 | 2012-06-18 12:31:16 +0300 | [diff] [blame] | 624 | ret = wl1271_event_handle(wl, 1); |
Arik Nemtsov | b5b45b3 | 2012-06-21 18:10:51 +0300 | [diff] [blame] | 625 | if (ret < 0) |
Ido Yariv | 045b9b5 | 2012-06-18 12:31:16 +0300 | [diff] [blame] | 626 | goto out; |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 627 | } |
| 628 | |
| 629 | if (intr & WL1271_ACX_INTR_INIT_COMPLETE) |
| 630 | wl1271_debug(DEBUG_IRQ, |
| 631 | "WL1271_ACX_INTR_INIT_COMPLETE"); |
| 632 | |
| 633 | if (intr & WL1271_ACX_INTR_HW_AVAILABLE) |
| 634 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 635 | } |
| 636 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 637 | wl1271_ps_elp_sleep(wl); |
| 638 | |
| 639 | out: |
Arik Nemtsov | b5b45b3 | 2012-06-21 18:10:51 +0300 | [diff] [blame] | 640 | return ret; |
| 641 | } |
| 642 | |
| 643 | static irqreturn_t wlcore_irq(int irq, void *cookie) |
| 644 | { |
| 645 | int ret; |
| 646 | unsigned long flags; |
| 647 | struct wl1271 *wl = cookie; |
| 648 | |
Luciano Coelho | 97236a0 | 2013-03-08 09:41:53 +0200 | [diff] [blame] | 649 | /* complete the ELP completion */ |
| 650 | spin_lock_irqsave(&wl->wl_lock, flags); |
| 651 | set_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); |
| 652 | if (wl->elp_compl) { |
| 653 | complete(wl->elp_compl); |
| 654 | wl->elp_compl = NULL; |
| 655 | } |
| 656 | |
| 657 | if (test_bit(WL1271_FLAG_SUSPENDED, &wl->flags)) { |
| 658 | /* don't enqueue a work right now. mark it as pending */ |
| 659 | set_bit(WL1271_FLAG_PENDING_WORK, &wl->flags); |
| 660 | wl1271_debug(DEBUG_IRQ, "should not enqueue work"); |
| 661 | disable_irq_nosync(wl->irq); |
| 662 | pm_wakeup_event(wl->dev, 0); |
| 663 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
| 664 | return IRQ_HANDLED; |
| 665 | } |
| 666 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
| 667 | |
Arik Nemtsov | b5b45b3 | 2012-06-21 18:10:51 +0300 | [diff] [blame] | 668 | /* TX might be handled here, avoid redundant work */ |
| 669 | set_bit(WL1271_FLAG_TX_PENDING, &wl->flags); |
| 670 | cancel_work_sync(&wl->tx_work); |
| 671 | |
| 672 | mutex_lock(&wl->mutex); |
| 673 | |
| 674 | ret = wlcore_irq_locked(wl); |
| 675 | if (ret) |
| 676 | wl12xx_queue_recovery_work(wl); |
| 677 | |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 678 | spin_lock_irqsave(&wl->wl_lock, flags); |
| 679 | /* In case TX was not handled here, queue TX work */ |
| 680 | clear_bit(WL1271_FLAG_TX_PENDING, &wl->flags); |
| 681 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
Arik Nemtsov | f1a4638 | 2011-07-07 14:25:23 +0300 | [diff] [blame] | 682 | wl1271_tx_total_queue_count(wl) > 0) |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 683 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
| 684 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
| 685 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 686 | mutex_unlock(&wl->mutex); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 687 | |
| 688 | return IRQ_HANDLED; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 689 | } |
| 690 | |
Eliad Peller | 4549d09 | 2012-02-06 13:07:52 +0200 | [diff] [blame] | 691 | struct vif_counter_data { |
| 692 | u8 counter; |
| 693 | |
| 694 | struct ieee80211_vif *cur_vif; |
| 695 | bool cur_vif_running; |
| 696 | }; |
| 697 | |
| 698 | static void wl12xx_vif_count_iter(void *data, u8 *mac, |
| 699 | struct ieee80211_vif *vif) |
| 700 | { |
| 701 | struct vif_counter_data *counter = data; |
| 702 | |
| 703 | counter->counter++; |
| 704 | if (counter->cur_vif == vif) |
| 705 | counter->cur_vif_running = true; |
| 706 | } |
| 707 | |
| 708 | /* caller must not hold wl->mutex, as it might deadlock */ |
| 709 | static void wl12xx_get_vif_count(struct ieee80211_hw *hw, |
| 710 | struct ieee80211_vif *cur_vif, |
| 711 | struct vif_counter_data *data) |
| 712 | { |
| 713 | memset(data, 0, sizeof(*data)); |
| 714 | data->cur_vif = cur_vif; |
| 715 | |
Johannes Berg | 8b2c982 | 2012-11-06 20:23:30 +0100 | [diff] [blame] | 716 | ieee80211_iterate_active_interfaces(hw, IEEE80211_IFACE_ITER_RESUME_ALL, |
Eliad Peller | 4549d09 | 2012-02-06 13:07:52 +0200 | [diff] [blame] | 717 | wl12xx_vif_count_iter, data); |
| 718 | } |
| 719 | |
Eliad Peller | 3fcdab7 | 2012-02-06 12:47:54 +0200 | [diff] [blame] | 720 | static int wl12xx_fetch_firmware(struct wl1271 *wl, bool plt) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 721 | { |
| 722 | const struct firmware *fw; |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 723 | const char *fw_name; |
Eliad Peller | 3fcdab7 | 2012-02-06 12:47:54 +0200 | [diff] [blame] | 724 | enum wl12xx_fw_type fw_type; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 725 | int ret; |
| 726 | |
Eliad Peller | 3fcdab7 | 2012-02-06 12:47:54 +0200 | [diff] [blame] | 727 | if (plt) { |
| 728 | fw_type = WL12XX_FW_TYPE_PLT; |
Luciano Coelho | 6f7dd16 | 2011-11-29 16:27:31 +0200 | [diff] [blame] | 729 | fw_name = wl->plt_fw_name; |
Eliad Peller | 3fcdab7 | 2012-02-06 12:47:54 +0200 | [diff] [blame] | 730 | } else { |
Eliad Peller | 4549d09 | 2012-02-06 13:07:52 +0200 | [diff] [blame] | 731 | /* |
| 732 | * we can't call wl12xx_get_vif_count() here because |
| 733 | * wl->mutex is taken, so use the cached last_vif_count value |
| 734 | */ |
Eliad Peller | 9b1a0a7 | 2012-07-25 14:22:21 +0300 | [diff] [blame] | 735 | if (wl->last_vif_count > 1 && wl->mr_fw_name) { |
Eliad Peller | 4549d09 | 2012-02-06 13:07:52 +0200 | [diff] [blame] | 736 | fw_type = WL12XX_FW_TYPE_MULTI; |
Luciano Coelho | 6f7dd16 | 2011-11-29 16:27:31 +0200 | [diff] [blame] | 737 | fw_name = wl->mr_fw_name; |
Eliad Peller | 4549d09 | 2012-02-06 13:07:52 +0200 | [diff] [blame] | 738 | } else { |
| 739 | fw_type = WL12XX_FW_TYPE_NORMAL; |
Luciano Coelho | 6f7dd16 | 2011-11-29 16:27:31 +0200 | [diff] [blame] | 740 | fw_name = wl->sr_fw_name; |
Eliad Peller | 4549d09 | 2012-02-06 13:07:52 +0200 | [diff] [blame] | 741 | } |
Eliad Peller | 3fcdab7 | 2012-02-06 12:47:54 +0200 | [diff] [blame] | 742 | } |
| 743 | |
| 744 | if (wl->fw_type == fw_type) |
| 745 | return 0; |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 746 | |
| 747 | wl1271_debug(DEBUG_BOOT, "booting firmware %s", fw_name); |
| 748 | |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 749 | ret = request_firmware(&fw, fw_name, wl->dev); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 750 | |
| 751 | if (ret < 0) { |
Pontus Fuchs | 3589893 | 2011-11-30 15:35:09 +0100 | [diff] [blame] | 752 | wl1271_error("could not get firmware %s: %d", fw_name, ret); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 753 | return ret; |
| 754 | } |
| 755 | |
| 756 | if (fw->size % 4) { |
| 757 | wl1271_error("firmware size is not multiple of 32 bits: %zu", |
| 758 | fw->size); |
| 759 | ret = -EILSEQ; |
| 760 | goto out; |
| 761 | } |
| 762 | |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 763 | vfree(wl->fw); |
Eliad Peller | 3fcdab7 | 2012-02-06 12:47:54 +0200 | [diff] [blame] | 764 | wl->fw_type = WL12XX_FW_TYPE_NONE; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 765 | wl->fw_len = fw->size; |
Juuso Oikarinen | 1fba497 | 2009-10-08 21:56:32 +0300 | [diff] [blame] | 766 | wl->fw = vmalloc(wl->fw_len); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 767 | |
| 768 | if (!wl->fw) { |
| 769 | wl1271_error("could not allocate memory for the firmware"); |
| 770 | ret = -ENOMEM; |
| 771 | goto out; |
| 772 | } |
| 773 | |
| 774 | memcpy(wl->fw, fw->data, wl->fw_len); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 775 | ret = 0; |
Eliad Peller | 3fcdab7 | 2012-02-06 12:47:54 +0200 | [diff] [blame] | 776 | wl->fw_type = fw_type; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 777 | out: |
| 778 | release_firmware(fw); |
| 779 | |
| 780 | return ret; |
| 781 | } |
| 782 | |
Ido Yariv | baacb9ae | 2011-06-06 14:57:05 +0300 | [diff] [blame] | 783 | void wl12xx_queue_recovery_work(struct wl1271 *wl) |
| 784 | { |
Ido Yariv | b666bb7 | 2012-05-21 01:10:11 +0300 | [diff] [blame] | 785 | /* Avoid a recursive recovery */ |
Ido Yariv | 792a58a | 2012-08-15 15:09:30 +0300 | [diff] [blame] | 786 | if (wl->state == WLCORE_STATE_ON) { |
Arik Nemtsov | 1ede950 | 2014-02-10 13:47:31 +0200 | [diff] [blame] | 787 | WARN_ON(!test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, |
| 788 | &wl->flags)); |
| 789 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 790 | wl->state = WLCORE_STATE_RESTARTING; |
Ido Yariv | 792a58a | 2012-08-15 15:09:30 +0300 | [diff] [blame] | 791 | set_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); |
Barak Bercovitz | 2473ec8 | 2013-09-09 12:24:41 +0300 | [diff] [blame] | 792 | wl1271_ps_elp_wakeup(wl); |
Ido Yariv | b666bb7 | 2012-05-21 01:10:11 +0300 | [diff] [blame] | 793 | wlcore_disable_interrupts_nosync(wl); |
Ido Yariv | baacb9ae | 2011-06-06 14:57:05 +0300 | [diff] [blame] | 794 | ieee80211_queue_work(wl->hw, &wl->recovery_work); |
Ido Yariv | b666bb7 | 2012-05-21 01:10:11 +0300 | [diff] [blame] | 795 | } |
Ido Yariv | baacb9ae | 2011-06-06 14:57:05 +0300 | [diff] [blame] | 796 | } |
| 797 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 798 | size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen) |
| 799 | { |
Igal Chernobelsky | c83cb80 | 2013-09-09 12:24:38 +0300 | [diff] [blame] | 800 | size_t len; |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 801 | |
| 802 | /* Make sure we have enough room */ |
Silvan Jegen | c8e4955 | 2014-02-25 18:12:52 +0100 | [diff] [blame] | 803 | len = min_t(size_t, maxlen, PAGE_SIZE - wl->fwlog_size); |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 804 | |
| 805 | /* Fill the FW log file, consumed by the sysfs fwlog entry */ |
| 806 | memcpy(wl->fwlog + wl->fwlog_size, memblock, len); |
| 807 | wl->fwlog_size += len; |
| 808 | |
| 809 | return len; |
| 810 | } |
| 811 | |
| 812 | static void wl12xx_read_fwlog_panic(struct wl1271 *wl) |
| 813 | { |
Igal Chernobelsky | c83cb80 | 2013-09-09 12:24:38 +0300 | [diff] [blame] | 814 | struct wlcore_partition_set part, old_part; |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 815 | u32 addr; |
Igal Chernobelsky | 1e41213 | 2012-06-18 11:05:39 +0300 | [diff] [blame] | 816 | u32 offset; |
| 817 | u32 end_of_log; |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 818 | u8 *block; |
Ido Yariv | 8b7c0fc | 2012-06-17 21:59:42 +0300 | [diff] [blame] | 819 | int ret; |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 820 | |
Luciano Coelho | 6f7dd16 | 2011-11-29 16:27:31 +0200 | [diff] [blame] | 821 | if ((wl->quirks & WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED) || |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 822 | (wl->conf.fwlog.mem_blocks == 0)) |
| 823 | return; |
| 824 | |
| 825 | wl1271_info("Reading FW panic log"); |
| 826 | |
Igal Chernobelsky | c83cb80 | 2013-09-09 12:24:38 +0300 | [diff] [blame] | 827 | block = kmalloc(wl->fw_mem_block_size, GFP_KERNEL); |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 828 | if (!block) |
| 829 | return; |
| 830 | |
| 831 | /* |
| 832 | * Make sure the chip is awake and the logger isn't active. |
Eliad Peller | 847cbeb | 2012-11-26 18:05:42 +0200 | [diff] [blame] | 833 | * Do not send a stop fwlog command if the fw is hanged or if |
| 834 | * dbgpins are used (due to some fw bug). |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 835 | */ |
Igal Chernobelsky | 1e41213 | 2012-06-18 11:05:39 +0300 | [diff] [blame] | 836 | if (wl1271_ps_elp_wakeup(wl)) |
Yoni Divinsky | afbe371 | 2012-05-16 11:34:18 +0300 | [diff] [blame] | 837 | goto out; |
Eliad Peller | 847cbeb | 2012-11-26 18:05:42 +0200 | [diff] [blame] | 838 | if (!wl->watchdog_recovery && |
| 839 | wl->conf.fwlog.output != WL12XX_FWLOG_OUTPUT_DBG_PINS) |
Igal Chernobelsky | 1e41213 | 2012-06-18 11:05:39 +0300 | [diff] [blame] | 840 | wl12xx_cmd_stop_fwlog(wl); |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 841 | |
| 842 | /* Read the first memory block address */ |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 843 | ret = wlcore_fw_status(wl, wl->fw_status); |
Ido Yariv | 8b7c0fc | 2012-06-17 21:59:42 +0300 | [diff] [blame] | 844 | if (ret < 0) |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 845 | goto out; |
| 846 | |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 847 | addr = wl->fw_status->log_start_addr; |
Igal Chernobelsky | 1e41213 | 2012-06-18 11:05:39 +0300 | [diff] [blame] | 848 | if (!addr) |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 849 | goto out; |
| 850 | |
Igal Chernobelsky | 1e41213 | 2012-06-18 11:05:39 +0300 | [diff] [blame] | 851 | if (wl->conf.fwlog.mode == WL12XX_FWLOG_CONTINUOUS) { |
| 852 | offset = sizeof(addr) + sizeof(struct wl1271_rx_descriptor); |
Igal Chernobelsky | c83cb80 | 2013-09-09 12:24:38 +0300 | [diff] [blame] | 853 | end_of_log = wl->fwlog_end; |
Igal Chernobelsky | 1e41213 | 2012-06-18 11:05:39 +0300 | [diff] [blame] | 854 | } else { |
| 855 | offset = sizeof(addr); |
| 856 | end_of_log = addr; |
| 857 | } |
| 858 | |
Igal Chernobelsky | c83cb80 | 2013-09-09 12:24:38 +0300 | [diff] [blame] | 859 | old_part = wl->curr_part; |
| 860 | memset(&part, 0, sizeof(part)); |
| 861 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 862 | /* Traverse the memory blocks linked list */ |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 863 | do { |
Igal Chernobelsky | c83cb80 | 2013-09-09 12:24:38 +0300 | [diff] [blame] | 864 | part.mem.start = wlcore_hw_convert_hwaddr(wl, addr); |
| 865 | part.mem.size = PAGE_SIZE; |
| 866 | |
| 867 | ret = wlcore_set_partition(wl, &part); |
| 868 | if (ret < 0) { |
| 869 | wl1271_error("%s: set_partition start=0x%X size=%d", |
| 870 | __func__, part.mem.start, part.mem.size); |
| 871 | goto out; |
| 872 | } |
| 873 | |
| 874 | memset(block, 0, wl->fw_mem_block_size); |
| 875 | ret = wlcore_read_hwaddr(wl, addr, block, |
| 876 | wl->fw_mem_block_size, false); |
| 877 | |
Ido Yariv | 2b80040 | 2012-06-18 18:15:50 +0300 | [diff] [blame] | 878 | if (ret < 0) |
| 879 | goto out; |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 880 | |
| 881 | /* |
| 882 | * Memory blocks are linked to one another. The first 4 bytes |
| 883 | * of each memory block hold the hardware address of the next |
Igal Chernobelsky | 1e41213 | 2012-06-18 11:05:39 +0300 | [diff] [blame] | 884 | * one. The last memory block points to the first one in |
| 885 | * on demand mode and is equal to 0x2000000 in continuous mode. |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 886 | */ |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 887 | addr = le32_to_cpup((__le32 *)block); |
Igal Chernobelsky | c83cb80 | 2013-09-09 12:24:38 +0300 | [diff] [blame] | 888 | |
Igal Chernobelsky | 1e41213 | 2012-06-18 11:05:39 +0300 | [diff] [blame] | 889 | if (!wl12xx_copy_fwlog(wl, block + offset, |
Igal Chernobelsky | c83cb80 | 2013-09-09 12:24:38 +0300 | [diff] [blame] | 890 | wl->fw_mem_block_size - offset)) |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 891 | break; |
Igal Chernobelsky | 1e41213 | 2012-06-18 11:05:39 +0300 | [diff] [blame] | 892 | } while (addr && (addr != end_of_log)); |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 893 | |
| 894 | wake_up_interruptible(&wl->fwlog_waitq); |
| 895 | |
| 896 | out: |
| 897 | kfree(block); |
Igal Chernobelsky | c83cb80 | 2013-09-09 12:24:38 +0300 | [diff] [blame] | 898 | wlcore_set_partition(wl, &old_part); |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 899 | } |
| 900 | |
Eliad Peller | 50d26aa | 2014-07-11 03:01:26 +0300 | [diff] [blame] | 901 | static void wlcore_save_freed_pkts(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
| 902 | u8 hlid, struct ieee80211_sta *sta) |
| 903 | { |
| 904 | struct wl1271_station *wl_sta; |
Eliad Peller | 30a0035 | 2014-07-11 03:01:27 +0300 | [diff] [blame^] | 905 | u32 sqn_recovery_padding = WL1271_TX_SQN_POST_RECOVERY_PADDING; |
Eliad Peller | 50d26aa | 2014-07-11 03:01:26 +0300 | [diff] [blame] | 906 | |
| 907 | wl_sta = (void *)sta->drv_priv; |
| 908 | wl_sta->total_freed_pkts = wl->links[hlid].total_freed_pkts; |
| 909 | |
| 910 | /* |
| 911 | * increment the initial seq number on recovery to account for |
| 912 | * transmitted packets that we haven't yet got in the FW status |
| 913 | */ |
Eliad Peller | 30a0035 | 2014-07-11 03:01:27 +0300 | [diff] [blame^] | 914 | if (wlvif->encryption_type == KEY_GEM) |
| 915 | sqn_recovery_padding = WL1271_TX_SQN_POST_RECOVERY_PADDING_GEM; |
| 916 | |
Eliad Peller | 50d26aa | 2014-07-11 03:01:26 +0300 | [diff] [blame] | 917 | if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) |
Eliad Peller | 30a0035 | 2014-07-11 03:01:27 +0300 | [diff] [blame^] | 918 | wl_sta->total_freed_pkts += sqn_recovery_padding; |
Eliad Peller | 50d26aa | 2014-07-11 03:01:26 +0300 | [diff] [blame] | 919 | } |
| 920 | |
| 921 | static void wlcore_save_freed_pkts_addr(struct wl1271 *wl, |
| 922 | struct wl12xx_vif *wlvif, |
| 923 | u8 hlid, const u8 *addr) |
| 924 | { |
| 925 | struct ieee80211_sta *sta; |
| 926 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
| 927 | |
| 928 | if (WARN_ON(hlid == WL12XX_INVALID_LINK_ID || |
| 929 | is_zero_ether_addr(addr))) |
| 930 | return; |
| 931 | |
| 932 | rcu_read_lock(); |
| 933 | sta = ieee80211_find_sta(vif, addr); |
| 934 | if (sta) |
| 935 | wlcore_save_freed_pkts(wl, wlvif, hlid, sta); |
| 936 | rcu_read_unlock(); |
| 937 | } |
| 938 | |
Ido Yariv | 6134323 | 2012-06-18 15:50:21 +0300 | [diff] [blame] | 939 | static void wlcore_print_recovery(struct wl1271 *wl) |
| 940 | { |
| 941 | u32 pc = 0; |
| 942 | u32 hint_sts = 0; |
| 943 | int ret; |
| 944 | |
| 945 | wl1271_info("Hardware recovery in progress. FW ver: %s", |
| 946 | wl->chip.fw_ver_str); |
| 947 | |
| 948 | /* change partitions momentarily so we can read the FW pc */ |
Ido Yariv | b0f0ad3 | 2012-06-20 00:48:23 +0300 | [diff] [blame] | 949 | ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]); |
| 950 | if (ret < 0) |
| 951 | return; |
Ido Yariv | 6134323 | 2012-06-18 15:50:21 +0300 | [diff] [blame] | 952 | |
| 953 | ret = wlcore_read_reg(wl, REG_PC_ON_RECOVERY, &pc); |
| 954 | if (ret < 0) |
| 955 | return; |
| 956 | |
| 957 | ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &hint_sts); |
| 958 | if (ret < 0) |
| 959 | return; |
| 960 | |
Luciano Coelho | c108c90 | 2012-11-26 18:05:49 +0200 | [diff] [blame] | 961 | wl1271_info("pc: 0x%x, hint_sts: 0x%08x count: %d", |
| 962 | pc, hint_sts, ++wl->recovery_count); |
Ido Yariv | 6134323 | 2012-06-18 15:50:21 +0300 | [diff] [blame] | 963 | |
| 964 | wlcore_set_partition(wl, &wl->ptable[PART_WORK]); |
| 965 | } |
| 966 | |
| 967 | |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 968 | static void wl1271_recovery_work(struct work_struct *work) |
| 969 | { |
| 970 | struct wl1271 *wl = |
| 971 | container_of(work, struct wl1271, recovery_work); |
Eliad Peller | 48e93e4 | 2011-10-10 10:12:58 +0200 | [diff] [blame] | 972 | struct wl12xx_vif *wlvif; |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 973 | struct ieee80211_vif *vif; |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 974 | |
| 975 | mutex_lock(&wl->mutex); |
| 976 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 977 | if (wl->state == WLCORE_STATE_OFF || wl->plt) |
Eliad Peller | f027743 | 2011-10-10 10:13:14 +0200 | [diff] [blame] | 978 | goto out_unlock; |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 979 | |
Arik Nemtsov | aafec11 | 2012-06-25 22:26:19 +0300 | [diff] [blame] | 980 | if (!test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)) { |
Barak Bercovitz | 5cc14c0 | 2013-09-09 12:24:39 +0300 | [diff] [blame] | 981 | if (wl->conf.fwlog.output == WL12XX_FWLOG_OUTPUT_HOST) |
| 982 | wl12xx_read_fwlog_panic(wl); |
Arik Nemtsov | aafec11 | 2012-06-25 22:26:19 +0300 | [diff] [blame] | 983 | wlcore_print_recovery(wl); |
| 984 | } |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 985 | |
Yair Shapira | 7230341 | 2012-11-26 18:05:50 +0200 | [diff] [blame] | 986 | BUG_ON(wl->conf.recovery.bug_on_recovery && |
Eliad Peller | e9ba715 | 2012-03-04 10:55:54 +0200 | [diff] [blame] | 987 | !test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)); |
Eliad Peller | 2a5bff0 | 2011-08-25 18:10:59 +0300 | [diff] [blame] | 988 | |
Yair Shapira | 7230341 | 2012-11-26 18:05:50 +0200 | [diff] [blame] | 989 | if (wl->conf.recovery.no_recovery) { |
Arik Nemtsov | 34785be | 2011-12-08 13:06:45 +0200 | [diff] [blame] | 990 | wl1271_info("No recovery (chosen on module load). Fw will remain stuck."); |
Arik Nemtsov | 34785be | 2011-12-08 13:06:45 +0200 | [diff] [blame] | 991 | goto out_unlock; |
| 992 | } |
| 993 | |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 994 | /* Prevent spurious TX during FW restart */ |
Arik Nemtsov | 6639611 | 2012-05-18 07:46:38 +0300 | [diff] [blame] | 995 | wlcore_stop_queues(wl, WLCORE_QUEUE_STOP_REASON_FW_RESTART); |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 996 | |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 997 | /* reboot the chipset */ |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 998 | while (!list_empty(&wl->wlvif_list)) { |
| 999 | wlvif = list_first_entry(&wl->wlvif_list, |
| 1000 | struct wl12xx_vif, list); |
| 1001 | vif = wl12xx_wlvif_to_vif(wlvif); |
Eliad Peller | 50d26aa | 2014-07-11 03:01:26 +0300 | [diff] [blame] | 1002 | |
| 1003 | if (wlvif->bss_type == BSS_TYPE_STA_BSS && |
| 1004 | test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) { |
| 1005 | wlcore_save_freed_pkts_addr(wl, wlvif, wlvif->sta.hlid, |
| 1006 | vif->bss_conf.bssid); |
| 1007 | } |
| 1008 | |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 1009 | __wl1271_op_remove_interface(wl, vif, false); |
| 1010 | } |
Ido Yariv | c24ec83 | 2012-06-26 21:08:58 +0300 | [diff] [blame] | 1011 | |
| 1012 | wlcore_op_stop_locked(wl); |
Ido Yariv | baacb9ae | 2011-06-06 14:57:05 +0300 | [diff] [blame] | 1013 | |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1014 | ieee80211_restart_hw(wl->hw); |
| 1015 | |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 1016 | /* |
| 1017 | * Its safe to enable TX now - the queues are stopped after a request |
| 1018 | * to restart the HW. |
| 1019 | */ |
Arik Nemtsov | 6639611 | 2012-05-18 07:46:38 +0300 | [diff] [blame] | 1020 | wlcore_wake_queues(wl, WLCORE_QUEUE_STOP_REASON_FW_RESTART); |
Ido Yariv | c24ec83 | 2012-06-26 21:08:58 +0300 | [diff] [blame] | 1021 | |
Eliad Peller | f027743 | 2011-10-10 10:13:14 +0200 | [diff] [blame] | 1022 | out_unlock: |
Arik Nemtsov | b034fd6 | 2012-06-25 22:26:20 +0300 | [diff] [blame] | 1023 | wl->watchdog_recovery = false; |
| 1024 | clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1025 | mutex_unlock(&wl->mutex); |
| 1026 | } |
| 1027 | |
Ido Yariv | b0f0ad3 | 2012-06-20 00:48:23 +0300 | [diff] [blame] | 1028 | static int wlcore_fw_wakeup(struct wl1271 *wl) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1029 | { |
Ido Yariv | b0f0ad3 | 2012-06-20 00:48:23 +0300 | [diff] [blame] | 1030 | return wlcore_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG, ELPCTRL_WAKE_UP); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1031 | } |
| 1032 | |
| 1033 | static int wl1271_setup(struct wl1271 *wl) |
| 1034 | { |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 1035 | wl->raw_fw_status = kzalloc(wl->fw_status_len, GFP_KERNEL); |
| 1036 | if (!wl->raw_fw_status) |
| 1037 | goto err; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1038 | |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 1039 | wl->fw_status = kzalloc(sizeof(*wl->fw_status), GFP_KERNEL); |
| 1040 | if (!wl->fw_status) |
| 1041 | goto err; |
Arik Nemtsov | 0afd04e | 2012-05-10 12:13:54 +0300 | [diff] [blame] | 1042 | |
Victor Goldenshtein | 5cbba2d | 2013-05-12 12:35:31 +0300 | [diff] [blame] | 1043 | wl->tx_res_if = kzalloc(sizeof(*wl->tx_res_if), GFP_KERNEL); |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 1044 | if (!wl->tx_res_if) |
| 1045 | goto err; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1046 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1047 | return 0; |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 1048 | err: |
| 1049 | kfree(wl->fw_status); |
| 1050 | kfree(wl->raw_fw_status); |
| 1051 | return -ENOMEM; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1052 | } |
| 1053 | |
Luciano Coelho | 30c5dbd | 2012-01-18 14:53:22 +0200 | [diff] [blame] | 1054 | static int wl12xx_set_power_on(struct wl1271 *wl) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1055 | { |
Luciano Coelho | 30c5dbd | 2012-01-18 14:53:22 +0200 | [diff] [blame] | 1056 | int ret; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1057 | |
Juuso Oikarinen | 01ac17e | 2009-12-11 15:41:02 +0200 | [diff] [blame] | 1058 | msleep(WL1271_PRE_POWER_ON_SLEEP); |
Ohad Ben-Cohen | 2cc78ff | 2010-09-16 01:22:04 +0200 | [diff] [blame] | 1059 | ret = wl1271_power_on(wl); |
| 1060 | if (ret < 0) |
| 1061 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1062 | msleep(WL1271_POWER_ON_SLEEP); |
Teemu Paasikivi | 9b28072 | 2010-02-18 13:25:56 +0200 | [diff] [blame] | 1063 | wl1271_io_reset(wl); |
| 1064 | wl1271_io_init(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1065 | |
Ido Yariv | b0f0ad3 | 2012-06-20 00:48:23 +0300 | [diff] [blame] | 1066 | ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]); |
| 1067 | if (ret < 0) |
| 1068 | goto fail; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1069 | |
| 1070 | /* ELP module wake up */ |
Ido Yariv | b0f0ad3 | 2012-06-20 00:48:23 +0300 | [diff] [blame] | 1071 | ret = wlcore_fw_wakeup(wl); |
| 1072 | if (ret < 0) |
| 1073 | goto fail; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1074 | |
Luciano Coelho | 30c5dbd | 2012-01-18 14:53:22 +0200 | [diff] [blame] | 1075 | out: |
| 1076 | return ret; |
Ido Yariv | b0f0ad3 | 2012-06-20 00:48:23 +0300 | [diff] [blame] | 1077 | |
| 1078 | fail: |
| 1079 | wl1271_power_off(wl); |
| 1080 | return ret; |
Luciano Coelho | 30c5dbd | 2012-01-18 14:53:22 +0200 | [diff] [blame] | 1081 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1082 | |
Eliad Peller | 3fcdab7 | 2012-02-06 12:47:54 +0200 | [diff] [blame] | 1083 | static int wl12xx_chip_wakeup(struct wl1271 *wl, bool plt) |
Luciano Coelho | 30c5dbd | 2012-01-18 14:53:22 +0200 | [diff] [blame] | 1084 | { |
| 1085 | int ret = 0; |
| 1086 | |
| 1087 | ret = wl12xx_set_power_on(wl); |
| 1088 | if (ret < 0) |
| 1089 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1090 | |
Luciano Coelho | e62c9ce | 2011-11-03 08:44:42 +0200 | [diff] [blame] | 1091 | /* |
| 1092 | * For wl127x based devices we could use the default block |
| 1093 | * size (512 bytes), but due to a bug in the sdio driver, we |
| 1094 | * need to set it explicitly after the chip is powered on. To |
| 1095 | * simplify the code and since the performance impact is |
| 1096 | * negligible, we use the same block size for all different |
| 1097 | * chip types. |
Luciano Coelho | b5d6d9b | 2012-06-05 00:02:25 +0300 | [diff] [blame] | 1098 | * |
| 1099 | * Check if the bus supports blocksize alignment and, if it |
| 1100 | * doesn't, make sure we don't have the quirk. |
Luciano Coelho | e62c9ce | 2011-11-03 08:44:42 +0200 | [diff] [blame] | 1101 | */ |
Luciano Coelho | b5d6d9b | 2012-06-05 00:02:25 +0300 | [diff] [blame] | 1102 | if (!wl1271_set_block_size(wl)) |
| 1103 | wl->quirks &= ~WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1104 | |
Luciano Coelho | 6f7dd16 | 2011-11-29 16:27:31 +0200 | [diff] [blame] | 1105 | /* TODO: make sure the lower driver has set things up correctly */ |
| 1106 | |
| 1107 | ret = wl1271_setup(wl); |
| 1108 | if (ret < 0) |
| 1109 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1110 | |
Eliad Peller | 3fcdab7 | 2012-02-06 12:47:54 +0200 | [diff] [blame] | 1111 | ret = wl12xx_fetch_firmware(wl, plt); |
| 1112 | if (ret < 0) |
| 1113 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1114 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1115 | out: |
| 1116 | return ret; |
| 1117 | } |
| 1118 | |
Yair Shapira | 7019c80 | 2012-07-11 18:48:04 +0300 | [diff] [blame] | 1119 | int wl1271_plt_start(struct wl1271 *wl, const enum plt_mode plt_mode) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1120 | { |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1121 | int retries = WL1271_BOOT_RETRIES; |
Gery Kahn | 6f07b72 | 2011-07-18 14:21:49 +0300 | [diff] [blame] | 1122 | struct wiphy *wiphy = wl->hw->wiphy; |
Yair Shapira | 7019c80 | 2012-07-11 18:48:04 +0300 | [diff] [blame] | 1123 | |
| 1124 | static const char* const PLT_MODE[] = { |
| 1125 | "PLT_OFF", |
| 1126 | "PLT_ON", |
Yair Shapira | dd491ff | 2013-09-17 18:41:21 +0300 | [diff] [blame] | 1127 | "PLT_FEM_DETECT", |
| 1128 | "PLT_CHIP_AWAKE" |
Yair Shapira | 7019c80 | 2012-07-11 18:48:04 +0300 | [diff] [blame] | 1129 | }; |
| 1130 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1131 | int ret; |
| 1132 | |
| 1133 | mutex_lock(&wl->mutex); |
| 1134 | |
| 1135 | wl1271_notice("power up"); |
| 1136 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 1137 | if (wl->state != WLCORE_STATE_OFF) { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1138 | wl1271_error("cannot go into PLT state because not " |
| 1139 | "in off state: %d", wl->state); |
| 1140 | ret = -EBUSY; |
| 1141 | goto out; |
| 1142 | } |
| 1143 | |
Yair Shapira | 7019c80 | 2012-07-11 18:48:04 +0300 | [diff] [blame] | 1144 | /* Indicate to lower levels that we are now in PLT mode */ |
| 1145 | wl->plt = true; |
| 1146 | wl->plt_mode = plt_mode; |
| 1147 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1148 | while (retries) { |
| 1149 | retries--; |
Eliad Peller | 3fcdab7 | 2012-02-06 12:47:54 +0200 | [diff] [blame] | 1150 | ret = wl12xx_chip_wakeup(wl, true); |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1151 | if (ret < 0) |
| 1152 | goto power_off; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1153 | |
Yair Shapira | dd491ff | 2013-09-17 18:41:21 +0300 | [diff] [blame] | 1154 | if (plt_mode != PLT_CHIP_AWAKE) { |
| 1155 | ret = wl->ops->plt_init(wl); |
| 1156 | if (ret < 0) |
| 1157 | goto power_off; |
| 1158 | } |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1159 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 1160 | wl->state = WLCORE_STATE_ON; |
Yair Shapira | 7019c80 | 2012-07-11 18:48:04 +0300 | [diff] [blame] | 1161 | wl1271_notice("firmware booted in PLT mode %s (%s)", |
| 1162 | PLT_MODE[plt_mode], |
Levi, Shahar | 4b7fac7 | 2011-01-23 07:27:22 +0100 | [diff] [blame] | 1163 | wl->chip.fw_ver_str); |
Luciano Coelho | e7ddf54 | 2011-03-10 15:24:57 +0200 | [diff] [blame] | 1164 | |
Gery Kahn | 6f07b72 | 2011-07-18 14:21:49 +0300 | [diff] [blame] | 1165 | /* update hw/fw version info in wiphy struct */ |
| 1166 | wiphy->hw_version = wl->chip.id; |
| 1167 | strncpy(wiphy->fw_version, wl->chip.fw_ver_str, |
| 1168 | sizeof(wiphy->fw_version)); |
| 1169 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1170 | goto out; |
| 1171 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1172 | power_off: |
| 1173 | wl1271_power_off(wl); |
| 1174 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1175 | |
Yair Shapira | 7019c80 | 2012-07-11 18:48:04 +0300 | [diff] [blame] | 1176 | wl->plt = false; |
| 1177 | wl->plt_mode = PLT_OFF; |
| 1178 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1179 | wl1271_error("firmware boot in PLT mode failed despite %d retries", |
| 1180 | WL1271_BOOT_RETRIES); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1181 | out: |
| 1182 | mutex_unlock(&wl->mutex); |
| 1183 | |
| 1184 | return ret; |
| 1185 | } |
| 1186 | |
Ido Yariv | f3df133 | 2012-01-11 09:42:39 +0200 | [diff] [blame] | 1187 | int wl1271_plt_stop(struct wl1271 *wl) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1188 | { |
| 1189 | int ret = 0; |
| 1190 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1191 | wl1271_notice("power down"); |
| 1192 | |
Ido Yariv | 46b0cc9 | 2012-01-11 09:42:41 +0200 | [diff] [blame] | 1193 | /* |
| 1194 | * Interrupts must be disabled before setting the state to OFF. |
| 1195 | * Otherwise, the interrupt handler might be called and exit without |
| 1196 | * reading the interrupt status. |
| 1197 | */ |
Luciano Coelho | dd5512e | 2012-04-11 11:03:14 +0300 | [diff] [blame] | 1198 | wlcore_disable_interrupts(wl); |
Ido Yariv | f3df133 | 2012-01-11 09:42:39 +0200 | [diff] [blame] | 1199 | mutex_lock(&wl->mutex); |
Eliad Peller | 3fcdab7 | 2012-02-06 12:47:54 +0200 | [diff] [blame] | 1200 | if (!wl->plt) { |
Ido Yariv | f3df133 | 2012-01-11 09:42:39 +0200 | [diff] [blame] | 1201 | mutex_unlock(&wl->mutex); |
Ido Yariv | 46b0cc9 | 2012-01-11 09:42:41 +0200 | [diff] [blame] | 1202 | |
| 1203 | /* |
| 1204 | * This will not necessarily enable interrupts as interrupts |
| 1205 | * may have been disabled when op_stop was called. It will, |
| 1206 | * however, balance the above call to disable_interrupts(). |
| 1207 | */ |
Luciano Coelho | dd5512e | 2012-04-11 11:03:14 +0300 | [diff] [blame] | 1208 | wlcore_enable_interrupts(wl); |
Ido Yariv | 46b0cc9 | 2012-01-11 09:42:41 +0200 | [diff] [blame] | 1209 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1210 | wl1271_error("cannot power down because not in PLT " |
| 1211 | "state: %d", wl->state); |
| 1212 | ret = -EBUSY; |
| 1213 | goto out; |
| 1214 | } |
| 1215 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1216 | mutex_unlock(&wl->mutex); |
Ido Yariv | f3df133 | 2012-01-11 09:42:39 +0200 | [diff] [blame] | 1217 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1218 | wl1271_flush_deferred_work(wl); |
| 1219 | cancel_work_sync(&wl->netstack_work); |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1220 | cancel_work_sync(&wl->recovery_work); |
Luciano Coelho | f6fbecc | 2012-01-11 09:42:42 +0200 | [diff] [blame] | 1221 | cancel_delayed_work_sync(&wl->elp_work); |
Arik Nemtsov | 55df5af | 2012-03-03 22:18:00 +0200 | [diff] [blame] | 1222 | cancel_delayed_work_sync(&wl->tx_watchdog_work); |
Ido Yariv | a454969 | 2012-01-11 09:42:40 +0200 | [diff] [blame] | 1223 | |
| 1224 | mutex_lock(&wl->mutex); |
| 1225 | wl1271_power_off(wl); |
Luciano Coelho | f6fbecc | 2012-01-11 09:42:42 +0200 | [diff] [blame] | 1226 | wl->flags = 0; |
Arik Nemtsov | 2f18cf7 | 2012-06-10 19:10:45 +0300 | [diff] [blame] | 1227 | wl->sleep_auth = WL1271_PSM_ILLEGAL; |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 1228 | wl->state = WLCORE_STATE_OFF; |
Eliad Peller | 3fcdab7 | 2012-02-06 12:47:54 +0200 | [diff] [blame] | 1229 | wl->plt = false; |
Yair Shapira | 7019c80 | 2012-07-11 18:48:04 +0300 | [diff] [blame] | 1230 | wl->plt_mode = PLT_OFF; |
Luciano Coelho | f6fbecc | 2012-01-11 09:42:42 +0200 | [diff] [blame] | 1231 | wl->rx_counter = 0; |
Ido Yariv | a454969 | 2012-01-11 09:42:40 +0200 | [diff] [blame] | 1232 | mutex_unlock(&wl->mutex); |
| 1233 | |
Juuso Oikarinen | 4ae3fa8 | 2011-01-14 12:48:46 +0100 | [diff] [blame] | 1234 | out: |
| 1235 | return ret; |
| 1236 | } |
Juuso Oikarinen | 8c7f4f3 | 2010-09-21 06:23:29 +0200 | [diff] [blame] | 1237 | |
Thomas Huehn | 36323f8 | 2012-07-23 21:33:42 +0200 | [diff] [blame] | 1238 | static void wl1271_op_tx(struct ieee80211_hw *hw, |
| 1239 | struct ieee80211_tx_control *control, |
| 1240 | struct sk_buff *skb) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1241 | { |
| 1242 | struct wl1271 *wl = hw->priv; |
Eliad Peller | a8ab39a | 2011-10-05 11:55:54 +0200 | [diff] [blame] | 1243 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
| 1244 | struct ieee80211_vif *vif = info->control.vif; |
Eliad Peller | 0f16801 | 2011-10-11 13:52:25 +0200 | [diff] [blame] | 1245 | struct wl12xx_vif *wlvif = NULL; |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 1246 | unsigned long flags; |
Arik Nemtsov | 708bb3c | 2011-06-24 13:03:37 +0300 | [diff] [blame] | 1247 | int q, mapping; |
Eliad Peller | d6a3cc2 | 2011-10-10 10:12:51 +0200 | [diff] [blame] | 1248 | u8 hlid; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1249 | |
Arik Nemtsov | f4d0200 | 2012-11-28 11:42:33 +0200 | [diff] [blame] | 1250 | if (!vif) { |
| 1251 | wl1271_debug(DEBUG_TX, "DROP skb with no vif"); |
| 1252 | ieee80211_free_txskb(hw, skb); |
| 1253 | return; |
| 1254 | } |
Eliad Peller | 0f16801 | 2011-10-11 13:52:25 +0200 | [diff] [blame] | 1255 | |
Arik Nemtsov | f4d0200 | 2012-11-28 11:42:33 +0200 | [diff] [blame] | 1256 | wlvif = wl12xx_vif_to_data(vif); |
Arik Nemtsov | 708bb3c | 2011-06-24 13:03:37 +0300 | [diff] [blame] | 1257 | mapping = skb_get_queue_mapping(skb); |
| 1258 | q = wl1271_tx_get_queue(mapping); |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1259 | |
Thomas Huehn | 36323f8 | 2012-07-23 21:33:42 +0200 | [diff] [blame] | 1260 | hlid = wl12xx_tx_get_hlid(wl, wlvif, skb, control->sta); |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1261 | |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 1262 | spin_lock_irqsave(&wl->wl_lock, flags); |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1263 | |
Arik Nemtsov | 6639611 | 2012-05-18 07:46:38 +0300 | [diff] [blame] | 1264 | /* |
| 1265 | * drop the packet if the link is invalid or the queue is stopped |
| 1266 | * for any reason but watermark. Watermark is a "soft"-stop so we |
| 1267 | * allow these packets through. |
| 1268 | */ |
Eliad Peller | d6a3cc2 | 2011-10-10 10:12:51 +0200 | [diff] [blame] | 1269 | if (hlid == WL12XX_INVALID_LINK_ID || |
Arik Nemtsov | f4d0200 | 2012-11-28 11:42:33 +0200 | [diff] [blame] | 1270 | (!test_bit(hlid, wlvif->links_map)) || |
Arik Nemtsov | d6037d2 | 2012-11-28 11:42:44 +0200 | [diff] [blame] | 1271 | (wlcore_is_queue_stopped_locked(wl, wlvif, q) && |
| 1272 | !wlcore_is_queue_stopped_by_reason_locked(wl, wlvif, q, |
Arik Nemtsov | 6639611 | 2012-05-18 07:46:38 +0300 | [diff] [blame] | 1273 | WLCORE_QUEUE_STOP_REASON_WATERMARK))) { |
Eliad Peller | d6a3cc2 | 2011-10-10 10:12:51 +0200 | [diff] [blame] | 1274 | wl1271_debug(DEBUG_TX, "DROP skb hlid %d q %d", hlid, q); |
Eliad Peller | 5de8eef | 2011-12-13 15:26:38 +0200 | [diff] [blame] | 1275 | ieee80211_free_txskb(hw, skb); |
Eliad Peller | d6a3cc2 | 2011-10-10 10:12:51 +0200 | [diff] [blame] | 1276 | goto out; |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 1277 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1278 | |
Eliad Peller | 8ccd16e | 2012-03-04 10:55:55 +0200 | [diff] [blame] | 1279 | wl1271_debug(DEBUG_TX, "queue skb hlid %d q %d len %d", |
| 1280 | hlid, q, skb->len); |
Eliad Peller | d6a3cc2 | 2011-10-10 10:12:51 +0200 | [diff] [blame] | 1281 | skb_queue_tail(&wl->links[hlid].tx_queue[q], skb); |
| 1282 | |
Arik Nemtsov | 04b4d69 | 2011-08-14 13:17:39 +0300 | [diff] [blame] | 1283 | wl->tx_queue_count[q]++; |
Arik Nemtsov | f4d0200 | 2012-11-28 11:42:33 +0200 | [diff] [blame] | 1284 | wlvif->tx_queue_count[q]++; |
Arik Nemtsov | 04b4d69 | 2011-08-14 13:17:39 +0300 | [diff] [blame] | 1285 | |
| 1286 | /* |
| 1287 | * The workqueue is slow to process the tx_queue and we need stop |
| 1288 | * the queue here, otherwise the queue will get too long. |
| 1289 | */ |
Arik Nemtsov | 1c33db7 | 2012-11-30 00:48:03 +0200 | [diff] [blame] | 1290 | if (wlvif->tx_queue_count[q] >= WL1271_TX_QUEUE_HIGH_WATERMARK && |
Arik Nemtsov | d6037d2 | 2012-11-28 11:42:44 +0200 | [diff] [blame] | 1291 | !wlcore_is_queue_stopped_by_reason_locked(wl, wlvif, q, |
Arik Nemtsov | 8cdc44a | 2012-06-25 22:26:17 +0300 | [diff] [blame] | 1292 | WLCORE_QUEUE_STOP_REASON_WATERMARK)) { |
Arik Nemtsov | 04b4d69 | 2011-08-14 13:17:39 +0300 | [diff] [blame] | 1293 | wl1271_debug(DEBUG_TX, "op_tx: stopping queues for q %d", q); |
Arik Nemtsov | 1c33db7 | 2012-11-30 00:48:03 +0200 | [diff] [blame] | 1294 | wlcore_stop_queue_locked(wl, wlvif, q, |
Arik Nemtsov | 6639611 | 2012-05-18 07:46:38 +0300 | [diff] [blame] | 1295 | WLCORE_QUEUE_STOP_REASON_WATERMARK); |
Arik Nemtsov | 04b4d69 | 2011-08-14 13:17:39 +0300 | [diff] [blame] | 1296 | } |
| 1297 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1298 | /* |
| 1299 | * The chip specific setup must run before the first TX packet - |
| 1300 | * before that, the tx_work will not be initialized! |
| 1301 | */ |
| 1302 | |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1303 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
| 1304 | !test_bit(WL1271_FLAG_TX_PENDING, &wl->flags)) |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 1305 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1306 | |
Arik Nemtsov | 04216da | 2011-08-14 13:17:38 +0300 | [diff] [blame] | 1307 | out: |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1308 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1309 | } |
| 1310 | |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1311 | int wl1271_tx_dummy_packet(struct wl1271 *wl) |
| 1312 | { |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1313 | unsigned long flags; |
Arik Nemtsov | 1462378 | 2011-08-28 15:11:57 +0300 | [diff] [blame] | 1314 | int q; |
| 1315 | |
| 1316 | /* no need to queue a new dummy packet if one is already pending */ |
| 1317 | if (test_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags)) |
| 1318 | return 0; |
| 1319 | |
| 1320 | q = wl1271_tx_get_queue(skb_get_queue_mapping(wl->dummy_packet)); |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1321 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1322 | spin_lock_irqsave(&wl->wl_lock, flags); |
| 1323 | set_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags); |
Arik Nemtsov | f1a4638 | 2011-07-07 14:25:23 +0300 | [diff] [blame] | 1324 | wl->tx_queue_count[q]++; |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1325 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
| 1326 | |
| 1327 | /* The FW is low on RX memory blocks, so send the dummy packet asap */ |
| 1328 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags)) |
Ido Yariv | eb96f84 | 2012-06-18 13:21:55 +0300 | [diff] [blame] | 1329 | return wlcore_tx_work_locked(wl); |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1330 | |
| 1331 | /* |
| 1332 | * If the FW TX is busy, TX work will be scheduled by the threaded |
| 1333 | * interrupt handler function |
| 1334 | */ |
| 1335 | return 0; |
| 1336 | } |
| 1337 | |
| 1338 | /* |
| 1339 | * The size of the dummy packet should be at least 1400 bytes. However, in |
| 1340 | * order to minimize the number of bus transactions, aligning it to 512 bytes |
| 1341 | * boundaries could be beneficial, performance wise |
| 1342 | */ |
| 1343 | #define TOTAL_TX_DUMMY_PACKET_SIZE (ALIGN(1400, 512)) |
| 1344 | |
Luciano Coelho | cf27d86 | 2011-04-01 21:08:23 +0300 | [diff] [blame] | 1345 | static struct sk_buff *wl12xx_alloc_dummy_packet(struct wl1271 *wl) |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1346 | { |
| 1347 | struct sk_buff *skb; |
| 1348 | struct ieee80211_hdr_3addr *hdr; |
| 1349 | unsigned int dummy_packet_size; |
| 1350 | |
| 1351 | dummy_packet_size = TOTAL_TX_DUMMY_PACKET_SIZE - |
| 1352 | sizeof(struct wl1271_tx_hw_descr) - sizeof(*hdr); |
| 1353 | |
| 1354 | skb = dev_alloc_skb(TOTAL_TX_DUMMY_PACKET_SIZE); |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1355 | if (!skb) { |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1356 | wl1271_warning("Failed to allocate a dummy packet skb"); |
| 1357 | return NULL; |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1358 | } |
| 1359 | |
| 1360 | skb_reserve(skb, sizeof(struct wl1271_tx_hw_descr)); |
| 1361 | |
| 1362 | hdr = (struct ieee80211_hdr_3addr *) skb_put(skb, sizeof(*hdr)); |
| 1363 | memset(hdr, 0, sizeof(*hdr)); |
| 1364 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1365 | IEEE80211_STYPE_NULLFUNC | |
| 1366 | IEEE80211_FCTL_TODS); |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1367 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1368 | memset(skb_put(skb, dummy_packet_size), 0, dummy_packet_size); |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1369 | |
Luciano Coelho | 18b92ff | 2011-03-21 16:35:21 +0200 | [diff] [blame] | 1370 | /* Dummy packets require the TID to be management */ |
| 1371 | skb->priority = WL1271_TID_MGMT; |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1372 | |
| 1373 | /* Initialize all fields that might be used */ |
Hauke Mehrtens | 86c438f | 2011-04-26 23:27:44 +0200 | [diff] [blame] | 1374 | skb_set_queue_mapping(skb, 0); |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1375 | memset(IEEE80211_SKB_CB(skb), 0, sizeof(struct ieee80211_tx_info)); |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1376 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1377 | return skb; |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1378 | } |
| 1379 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1380 | |
Luciano Coelho | f634a4e | 2011-05-18 16:51:26 -0400 | [diff] [blame] | 1381 | #ifdef CONFIG_PM |
Luciano Coelho | 2247997 | 2012-05-16 06:00:00 +0300 | [diff] [blame] | 1382 | static int |
Amitkumar Karwar | 50ac660 | 2013-06-25 19:03:56 -0700 | [diff] [blame] | 1383 | wl1271_validate_wowlan_pattern(struct cfg80211_pkt_pattern *p) |
Eyal Shapira | b95d7ce | 2012-03-14 06:32:10 +0200 | [diff] [blame] | 1384 | { |
| 1385 | int num_fields = 0, in_field = 0, fields_size = 0; |
| 1386 | int i, pattern_len = 0; |
| 1387 | |
| 1388 | if (!p->mask) { |
| 1389 | wl1271_warning("No mask in WoWLAN pattern"); |
| 1390 | return -EINVAL; |
| 1391 | } |
| 1392 | |
| 1393 | /* |
| 1394 | * The pattern is broken up into segments of bytes at different offsets |
| 1395 | * that need to be checked by the FW filter. Each segment is called |
| 1396 | * a field in the FW API. We verify that the total number of fields |
| 1397 | * required for this pattern won't exceed FW limits (8) |
| 1398 | * as well as the total fields buffer won't exceed the FW limit. |
| 1399 | * Note that if there's a pattern which crosses Ethernet/IP header |
| 1400 | * boundary a new field is required. |
| 1401 | */ |
| 1402 | for (i = 0; i < p->pattern_len; i++) { |
| 1403 | if (test_bit(i, (unsigned long *)p->mask)) { |
| 1404 | if (!in_field) { |
| 1405 | in_field = 1; |
| 1406 | pattern_len = 1; |
| 1407 | } else { |
| 1408 | if (i == WL1271_RX_FILTER_ETH_HEADER_SIZE) { |
| 1409 | num_fields++; |
| 1410 | fields_size += pattern_len + |
| 1411 | RX_FILTER_FIELD_OVERHEAD; |
| 1412 | pattern_len = 1; |
| 1413 | } else |
| 1414 | pattern_len++; |
| 1415 | } |
| 1416 | } else { |
| 1417 | if (in_field) { |
| 1418 | in_field = 0; |
| 1419 | fields_size += pattern_len + |
| 1420 | RX_FILTER_FIELD_OVERHEAD; |
| 1421 | num_fields++; |
| 1422 | } |
| 1423 | } |
| 1424 | } |
| 1425 | |
| 1426 | if (in_field) { |
| 1427 | fields_size += pattern_len + RX_FILTER_FIELD_OVERHEAD; |
| 1428 | num_fields++; |
| 1429 | } |
| 1430 | |
| 1431 | if (num_fields > WL1271_RX_FILTER_MAX_FIELDS) { |
| 1432 | wl1271_warning("RX Filter too complex. Too many segments"); |
| 1433 | return -EINVAL; |
| 1434 | } |
| 1435 | |
| 1436 | if (fields_size > WL1271_RX_FILTER_MAX_FIELDS_SIZE) { |
| 1437 | wl1271_warning("RX filter pattern is too big"); |
| 1438 | return -E2BIG; |
| 1439 | } |
| 1440 | |
| 1441 | return 0; |
| 1442 | } |
| 1443 | |
Eyal Shapira | a6eab0c | 2012-03-14 06:32:07 +0200 | [diff] [blame] | 1444 | struct wl12xx_rx_filter *wl1271_rx_filter_alloc(void) |
| 1445 | { |
| 1446 | return kzalloc(sizeof(struct wl12xx_rx_filter), GFP_KERNEL); |
| 1447 | } |
| 1448 | |
| 1449 | void wl1271_rx_filter_free(struct wl12xx_rx_filter *filter) |
| 1450 | { |
| 1451 | int i; |
| 1452 | |
| 1453 | if (filter == NULL) |
| 1454 | return; |
| 1455 | |
| 1456 | for (i = 0; i < filter->num_fields; i++) |
| 1457 | kfree(filter->fields[i].pattern); |
| 1458 | |
| 1459 | kfree(filter); |
| 1460 | } |
| 1461 | |
| 1462 | int wl1271_rx_filter_alloc_field(struct wl12xx_rx_filter *filter, |
| 1463 | u16 offset, u8 flags, |
Johannes Berg | 922bd80 | 2014-05-19 17:59:50 +0200 | [diff] [blame] | 1464 | const u8 *pattern, u8 len) |
Eyal Shapira | a6eab0c | 2012-03-14 06:32:07 +0200 | [diff] [blame] | 1465 | { |
| 1466 | struct wl12xx_rx_filter_field *field; |
| 1467 | |
| 1468 | if (filter->num_fields == WL1271_RX_FILTER_MAX_FIELDS) { |
| 1469 | wl1271_warning("Max fields per RX filter. can't alloc another"); |
| 1470 | return -EINVAL; |
| 1471 | } |
| 1472 | |
| 1473 | field = &filter->fields[filter->num_fields]; |
| 1474 | |
| 1475 | field->pattern = kzalloc(len, GFP_KERNEL); |
| 1476 | if (!field->pattern) { |
| 1477 | wl1271_warning("Failed to allocate RX filter pattern"); |
| 1478 | return -ENOMEM; |
| 1479 | } |
| 1480 | |
| 1481 | filter->num_fields++; |
| 1482 | |
| 1483 | field->offset = cpu_to_le16(offset); |
| 1484 | field->flags = flags; |
| 1485 | field->len = len; |
| 1486 | memcpy(field->pattern, pattern, len); |
| 1487 | |
| 1488 | return 0; |
| 1489 | } |
| 1490 | |
| 1491 | int wl1271_rx_filter_get_fields_size(struct wl12xx_rx_filter *filter) |
| 1492 | { |
| 1493 | int i, fields_size = 0; |
| 1494 | |
| 1495 | for (i = 0; i < filter->num_fields; i++) |
| 1496 | fields_size += filter->fields[i].len + |
| 1497 | sizeof(struct wl12xx_rx_filter_field) - |
| 1498 | sizeof(u8 *); |
| 1499 | |
| 1500 | return fields_size; |
| 1501 | } |
| 1502 | |
| 1503 | void wl1271_rx_filter_flatten_fields(struct wl12xx_rx_filter *filter, |
| 1504 | u8 *buf) |
| 1505 | { |
| 1506 | int i; |
| 1507 | struct wl12xx_rx_filter_field *field; |
| 1508 | |
| 1509 | for (i = 0; i < filter->num_fields; i++) { |
| 1510 | field = (struct wl12xx_rx_filter_field *)buf; |
| 1511 | |
| 1512 | field->offset = filter->fields[i].offset; |
| 1513 | field->flags = filter->fields[i].flags; |
| 1514 | field->len = filter->fields[i].len; |
| 1515 | |
| 1516 | memcpy(&field->pattern, filter->fields[i].pattern, field->len); |
| 1517 | buf += sizeof(struct wl12xx_rx_filter_field) - |
| 1518 | sizeof(u8 *) + field->len; |
| 1519 | } |
| 1520 | } |
| 1521 | |
Eyal Shapira | b95d7ce | 2012-03-14 06:32:10 +0200 | [diff] [blame] | 1522 | /* |
| 1523 | * Allocates an RX filter returned through f |
| 1524 | * which needs to be freed using rx_filter_free() |
| 1525 | */ |
Amitkumar Karwar | 50ac660 | 2013-06-25 19:03:56 -0700 | [diff] [blame] | 1526 | static int |
| 1527 | wl1271_convert_wowlan_pattern_to_rx_filter(struct cfg80211_pkt_pattern *p, |
| 1528 | struct wl12xx_rx_filter **f) |
Eyal Shapira | b95d7ce | 2012-03-14 06:32:10 +0200 | [diff] [blame] | 1529 | { |
| 1530 | int i, j, ret = 0; |
| 1531 | struct wl12xx_rx_filter *filter; |
| 1532 | u16 offset; |
| 1533 | u8 flags, len; |
| 1534 | |
| 1535 | filter = wl1271_rx_filter_alloc(); |
| 1536 | if (!filter) { |
| 1537 | wl1271_warning("Failed to alloc rx filter"); |
| 1538 | ret = -ENOMEM; |
| 1539 | goto err; |
| 1540 | } |
| 1541 | |
| 1542 | i = 0; |
| 1543 | while (i < p->pattern_len) { |
| 1544 | if (!test_bit(i, (unsigned long *)p->mask)) { |
| 1545 | i++; |
| 1546 | continue; |
| 1547 | } |
| 1548 | |
| 1549 | for (j = i; j < p->pattern_len; j++) { |
| 1550 | if (!test_bit(j, (unsigned long *)p->mask)) |
| 1551 | break; |
| 1552 | |
| 1553 | if (i < WL1271_RX_FILTER_ETH_HEADER_SIZE && |
| 1554 | j >= WL1271_RX_FILTER_ETH_HEADER_SIZE) |
| 1555 | break; |
| 1556 | } |
| 1557 | |
| 1558 | if (i < WL1271_RX_FILTER_ETH_HEADER_SIZE) { |
| 1559 | offset = i; |
| 1560 | flags = WL1271_RX_FILTER_FLAG_ETHERNET_HEADER; |
| 1561 | } else { |
| 1562 | offset = i - WL1271_RX_FILTER_ETH_HEADER_SIZE; |
| 1563 | flags = WL1271_RX_FILTER_FLAG_IP_HEADER; |
| 1564 | } |
| 1565 | |
| 1566 | len = j - i; |
| 1567 | |
| 1568 | ret = wl1271_rx_filter_alloc_field(filter, |
| 1569 | offset, |
| 1570 | flags, |
| 1571 | &p->pattern[i], len); |
| 1572 | if (ret) |
| 1573 | goto err; |
| 1574 | |
| 1575 | i = j; |
| 1576 | } |
| 1577 | |
| 1578 | filter->action = FILTER_SIGNAL; |
| 1579 | |
| 1580 | *f = filter; |
| 1581 | return 0; |
| 1582 | |
| 1583 | err: |
| 1584 | wl1271_rx_filter_free(filter); |
| 1585 | *f = NULL; |
| 1586 | |
| 1587 | return ret; |
| 1588 | } |
| 1589 | |
| 1590 | static int wl1271_configure_wowlan(struct wl1271 *wl, |
| 1591 | struct cfg80211_wowlan *wow) |
| 1592 | { |
| 1593 | int i, ret; |
| 1594 | |
| 1595 | if (!wow || wow->any || !wow->n_patterns) { |
Arik Nemtsov | c439a1c | 2012-06-21 18:10:50 +0300 | [diff] [blame] | 1596 | ret = wl1271_acx_default_rx_filter_enable(wl, 0, |
| 1597 | FILTER_SIGNAL); |
| 1598 | if (ret) |
| 1599 | goto out; |
| 1600 | |
| 1601 | ret = wl1271_rx_filter_clear_all(wl); |
| 1602 | if (ret) |
| 1603 | goto out; |
| 1604 | |
Eyal Shapira | b95d7ce | 2012-03-14 06:32:10 +0200 | [diff] [blame] | 1605 | return 0; |
| 1606 | } |
| 1607 | |
| 1608 | if (WARN_ON(wow->n_patterns > WL1271_MAX_RX_FILTERS)) |
| 1609 | return -EINVAL; |
| 1610 | |
| 1611 | /* Validate all incoming patterns before clearing current FW state */ |
| 1612 | for (i = 0; i < wow->n_patterns; i++) { |
| 1613 | ret = wl1271_validate_wowlan_pattern(&wow->patterns[i]); |
| 1614 | if (ret) { |
| 1615 | wl1271_warning("Bad wowlan pattern %d", i); |
| 1616 | return ret; |
| 1617 | } |
| 1618 | } |
| 1619 | |
Arik Nemtsov | c439a1c | 2012-06-21 18:10:50 +0300 | [diff] [blame] | 1620 | ret = wl1271_acx_default_rx_filter_enable(wl, 0, FILTER_SIGNAL); |
| 1621 | if (ret) |
| 1622 | goto out; |
| 1623 | |
| 1624 | ret = wl1271_rx_filter_clear_all(wl); |
| 1625 | if (ret) |
| 1626 | goto out; |
Eyal Shapira | b95d7ce | 2012-03-14 06:32:10 +0200 | [diff] [blame] | 1627 | |
| 1628 | /* Translate WoWLAN patterns into filters */ |
| 1629 | for (i = 0; i < wow->n_patterns; i++) { |
Amitkumar Karwar | 50ac660 | 2013-06-25 19:03:56 -0700 | [diff] [blame] | 1630 | struct cfg80211_pkt_pattern *p; |
Eyal Shapira | b95d7ce | 2012-03-14 06:32:10 +0200 | [diff] [blame] | 1631 | struct wl12xx_rx_filter *filter = NULL; |
| 1632 | |
| 1633 | p = &wow->patterns[i]; |
| 1634 | |
| 1635 | ret = wl1271_convert_wowlan_pattern_to_rx_filter(p, &filter); |
| 1636 | if (ret) { |
| 1637 | wl1271_warning("Failed to create an RX filter from " |
| 1638 | "wowlan pattern %d", i); |
| 1639 | goto out; |
| 1640 | } |
| 1641 | |
| 1642 | ret = wl1271_rx_filter_enable(wl, i, 1, filter); |
| 1643 | |
| 1644 | wl1271_rx_filter_free(filter); |
| 1645 | if (ret) |
| 1646 | goto out; |
| 1647 | } |
| 1648 | |
| 1649 | ret = wl1271_acx_default_rx_filter_enable(wl, 1, FILTER_DROP); |
| 1650 | |
| 1651 | out: |
| 1652 | return ret; |
| 1653 | } |
| 1654 | |
Eyal Shapira | dae728f | 2012-02-02 12:03:39 +0200 | [diff] [blame] | 1655 | static int wl1271_configure_suspend_sta(struct wl1271 *wl, |
Eyal Shapira | b95d7ce | 2012-03-14 06:32:10 +0200 | [diff] [blame] | 1656 | struct wl12xx_vif *wlvif, |
| 1657 | struct cfg80211_wowlan *wow) |
Eyal Shapira | dae728f | 2012-02-02 12:03:39 +0200 | [diff] [blame] | 1658 | { |
| 1659 | int ret = 0; |
| 1660 | |
Eyal Shapira | dae728f | 2012-02-02 12:03:39 +0200 | [diff] [blame] | 1661 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
Eyal Shapira | c56dbd5 | 2012-03-13 20:03:21 +0200 | [diff] [blame] | 1662 | goto out; |
Eyal Shapira | dae728f | 2012-02-02 12:03:39 +0200 | [diff] [blame] | 1663 | |
| 1664 | ret = wl1271_ps_elp_wakeup(wl); |
| 1665 | if (ret < 0) |
Eyal Shapira | c56dbd5 | 2012-03-13 20:03:21 +0200 | [diff] [blame] | 1666 | goto out; |
Eyal Shapira | dae728f | 2012-02-02 12:03:39 +0200 | [diff] [blame] | 1667 | |
Arik Nemtsov | c439a1c | 2012-06-21 18:10:50 +0300 | [diff] [blame] | 1668 | ret = wl1271_configure_wowlan(wl, wow); |
| 1669 | if (ret < 0) |
| 1670 | goto out_sleep; |
| 1671 | |
Eyal Shapira | 11bc97e | 2012-08-02 07:15:19 +0300 | [diff] [blame] | 1672 | if ((wl->conf.conn.suspend_wake_up_event == |
| 1673 | wl->conf.conn.wake_up_event) && |
| 1674 | (wl->conf.conn.suspend_listen_interval == |
| 1675 | wl->conf.conn.listen_interval)) |
| 1676 | goto out_sleep; |
| 1677 | |
Eyal Shapira | dae728f | 2012-02-02 12:03:39 +0200 | [diff] [blame] | 1678 | ret = wl1271_acx_wake_up_conditions(wl, wlvif, |
| 1679 | wl->conf.conn.suspend_wake_up_event, |
| 1680 | wl->conf.conn.suspend_listen_interval); |
| 1681 | |
| 1682 | if (ret < 0) |
| 1683 | wl1271_error("suspend: set wake up conditions failed: %d", ret); |
| 1684 | |
Arik Nemtsov | c439a1c | 2012-06-21 18:10:50 +0300 | [diff] [blame] | 1685 | out_sleep: |
Eyal Shapira | dae728f | 2012-02-02 12:03:39 +0200 | [diff] [blame] | 1686 | wl1271_ps_elp_sleep(wl); |
Eyal Shapira | c56dbd5 | 2012-03-13 20:03:21 +0200 | [diff] [blame] | 1687 | out: |
Eyal Shapira | dae728f | 2012-02-02 12:03:39 +0200 | [diff] [blame] | 1688 | return ret; |
| 1689 | |
| 1690 | } |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1691 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 1692 | static int wl1271_configure_suspend_ap(struct wl1271 *wl, |
| 1693 | struct wl12xx_vif *wlvif) |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1694 | { |
Eliad Peller | e85d162 | 2011-06-27 13:06:43 +0300 | [diff] [blame] | 1695 | int ret = 0; |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1696 | |
Eliad Peller | 53d40d0 | 2011-10-10 10:13:02 +0200 | [diff] [blame] | 1697 | if (!test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) |
Eyal Shapira | c56dbd5 | 2012-03-13 20:03:21 +0200 | [diff] [blame] | 1698 | goto out; |
Eliad Peller | e85d162 | 2011-06-27 13:06:43 +0300 | [diff] [blame] | 1699 | |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1700 | ret = wl1271_ps_elp_wakeup(wl); |
| 1701 | if (ret < 0) |
Eyal Shapira | c56dbd5 | 2012-03-13 20:03:21 +0200 | [diff] [blame] | 1702 | goto out; |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1703 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 1704 | ret = wl1271_acx_beacon_filter_opt(wl, wlvif, true); |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1705 | |
| 1706 | wl1271_ps_elp_sleep(wl); |
Eyal Shapira | c56dbd5 | 2012-03-13 20:03:21 +0200 | [diff] [blame] | 1707 | out: |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1708 | return ret; |
| 1709 | |
| 1710 | } |
| 1711 | |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 1712 | static int wl1271_configure_suspend(struct wl1271 *wl, |
Eyal Shapira | b95d7ce | 2012-03-14 06:32:10 +0200 | [diff] [blame] | 1713 | struct wl12xx_vif *wlvif, |
| 1714 | struct cfg80211_wowlan *wow) |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1715 | { |
Eyal Shapira | dae728f | 2012-02-02 12:03:39 +0200 | [diff] [blame] | 1716 | if (wlvif->bss_type == BSS_TYPE_STA_BSS) |
Eyal Shapira | b95d7ce | 2012-03-14 06:32:10 +0200 | [diff] [blame] | 1717 | return wl1271_configure_suspend_sta(wl, wlvif, wow); |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 1718 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 1719 | return wl1271_configure_suspend_ap(wl, wlvif); |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1720 | return 0; |
| 1721 | } |
| 1722 | |
Luciano Coelho | 8f6ac53 | 2013-05-04 01:06:11 +0300 | [diff] [blame] | 1723 | static void wl1271_configure_resume(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1724 | { |
Eyal Shapira | dae728f | 2012-02-02 12:03:39 +0200 | [diff] [blame] | 1725 | int ret = 0; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 1726 | bool is_ap = wlvif->bss_type == BSS_TYPE_AP_BSS; |
Eyal Shapira | dae728f | 2012-02-02 12:03:39 +0200 | [diff] [blame] | 1727 | bool is_sta = wlvif->bss_type == BSS_TYPE_STA_BSS; |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1728 | |
Eyal Shapira | dae728f | 2012-02-02 12:03:39 +0200 | [diff] [blame] | 1729 | if ((!is_ap) && (!is_sta)) |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1730 | return; |
| 1731 | |
Eliad Peller | d49524d | 2012-08-01 18:44:22 +0300 | [diff] [blame] | 1732 | if (is_sta && !test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
| 1733 | return; |
| 1734 | |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1735 | ret = wl1271_ps_elp_wakeup(wl); |
| 1736 | if (ret < 0) |
Eyal Shapira | c56dbd5 | 2012-03-13 20:03:21 +0200 | [diff] [blame] | 1737 | return; |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1738 | |
Eyal Shapira | dae728f | 2012-02-02 12:03:39 +0200 | [diff] [blame] | 1739 | if (is_sta) { |
Eyal Shapira | b95d7ce | 2012-03-14 06:32:10 +0200 | [diff] [blame] | 1740 | wl1271_configure_wowlan(wl, NULL); |
| 1741 | |
Eyal Shapira | 11bc97e | 2012-08-02 07:15:19 +0300 | [diff] [blame] | 1742 | if ((wl->conf.conn.suspend_wake_up_event == |
| 1743 | wl->conf.conn.wake_up_event) && |
| 1744 | (wl->conf.conn.suspend_listen_interval == |
| 1745 | wl->conf.conn.listen_interval)) |
| 1746 | goto out_sleep; |
| 1747 | |
Eyal Shapira | dae728f | 2012-02-02 12:03:39 +0200 | [diff] [blame] | 1748 | ret = wl1271_acx_wake_up_conditions(wl, wlvif, |
| 1749 | wl->conf.conn.wake_up_event, |
| 1750 | wl->conf.conn.listen_interval); |
| 1751 | |
| 1752 | if (ret < 0) |
| 1753 | wl1271_error("resume: wake up conditions failed: %d", |
| 1754 | ret); |
| 1755 | |
| 1756 | } else if (is_ap) { |
| 1757 | ret = wl1271_acx_beacon_filter_opt(wl, wlvif, false); |
| 1758 | } |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1759 | |
Eyal Shapira | 11bc97e | 2012-08-02 07:15:19 +0300 | [diff] [blame] | 1760 | out_sleep: |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1761 | wl1271_ps_elp_sleep(wl); |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1762 | } |
| 1763 | |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1764 | static int wl1271_op_suspend(struct ieee80211_hw *hw, |
| 1765 | struct cfg80211_wowlan *wow) |
| 1766 | { |
| 1767 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 1768 | struct wl12xx_vif *wlvif; |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1769 | int ret; |
| 1770 | |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1771 | wl1271_debug(DEBUG_MAC80211, "mac80211 suspend wow=%d", !!wow); |
Eyal Shapira | b95d7ce | 2012-03-14 06:32:10 +0200 | [diff] [blame] | 1772 | WARN_ON(!wow); |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1773 | |
Arik Nemtsov | 96caded | 2012-06-21 18:10:47 +0300 | [diff] [blame] | 1774 | /* we want to perform the recovery before suspending */ |
| 1775 | if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) { |
| 1776 | wl1271_warning("postponing suspend to perform recovery"); |
| 1777 | return -EBUSY; |
| 1778 | } |
| 1779 | |
Arik Nemtsov | b9239b6 | 2012-02-28 00:41:33 +0200 | [diff] [blame] | 1780 | wl1271_tx_flush(wl); |
| 1781 | |
Eyal Shapira | c56dbd5 | 2012-03-13 20:03:21 +0200 | [diff] [blame] | 1782 | mutex_lock(&wl->mutex); |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1783 | wl->wow_enabled = true; |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 1784 | wl12xx_for_each_wlvif(wl, wlvif) { |
Eyal Shapira | b95d7ce | 2012-03-14 06:32:10 +0200 | [diff] [blame] | 1785 | ret = wl1271_configure_suspend(wl, wlvif, wow); |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 1786 | if (ret < 0) { |
Dan Carpenter | cd840f6 | 2012-04-16 13:57:02 +0300 | [diff] [blame] | 1787 | mutex_unlock(&wl->mutex); |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 1788 | wl1271_warning("couldn't prepare device to suspend"); |
| 1789 | return ret; |
| 1790 | } |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1791 | } |
Eyal Shapira | c56dbd5 | 2012-03-13 20:03:21 +0200 | [diff] [blame] | 1792 | mutex_unlock(&wl->mutex); |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1793 | /* flush any remaining work */ |
| 1794 | wl1271_debug(DEBUG_MAC80211, "flushing remaining works"); |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1795 | |
| 1796 | /* |
| 1797 | * disable and re-enable interrupts in order to flush |
| 1798 | * the threaded_irq |
| 1799 | */ |
Luciano Coelho | dd5512e | 2012-04-11 11:03:14 +0300 | [diff] [blame] | 1800 | wlcore_disable_interrupts(wl); |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1801 | |
| 1802 | /* |
| 1803 | * set suspended flag to avoid triggering a new threaded_irq |
| 1804 | * work. no need for spinlock as interrupts are disabled. |
| 1805 | */ |
| 1806 | set_bit(WL1271_FLAG_SUSPENDED, &wl->flags); |
| 1807 | |
Luciano Coelho | dd5512e | 2012-04-11 11:03:14 +0300 | [diff] [blame] | 1808 | wlcore_enable_interrupts(wl); |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1809 | flush_work(&wl->tx_work); |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1810 | flush_delayed_work(&wl->elp_work); |
| 1811 | |
Arik Nemtsov | 9be86cf | 2014-02-10 13:47:18 +0200 | [diff] [blame] | 1812 | /* |
| 1813 | * Cancel the watchdog even if above tx_flush failed. We will detect |
| 1814 | * it on resume anyway. |
| 1815 | */ |
| 1816 | cancel_delayed_work(&wl->tx_watchdog_work); |
| 1817 | |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1818 | return 0; |
| 1819 | } |
| 1820 | |
| 1821 | static int wl1271_op_resume(struct ieee80211_hw *hw) |
| 1822 | { |
| 1823 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 1824 | struct wl12xx_vif *wlvif; |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1825 | unsigned long flags; |
Arik Nemtsov | ea0a3cf | 2012-06-21 18:10:49 +0300 | [diff] [blame] | 1826 | bool run_irq_work = false, pending_recovery; |
Arik Nemtsov | 725b827 | 2012-06-21 18:10:52 +0300 | [diff] [blame] | 1827 | int ret; |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1828 | |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1829 | wl1271_debug(DEBUG_MAC80211, "mac80211 resume wow=%d", |
| 1830 | wl->wow_enabled); |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1831 | WARN_ON(!wl->wow_enabled); |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1832 | |
| 1833 | /* |
| 1834 | * re-enable irq_work enqueuing, and call irq_work directly if |
| 1835 | * there is a pending work. |
| 1836 | */ |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1837 | spin_lock_irqsave(&wl->wl_lock, flags); |
| 1838 | clear_bit(WL1271_FLAG_SUSPENDED, &wl->flags); |
| 1839 | if (test_and_clear_bit(WL1271_FLAG_PENDING_WORK, &wl->flags)) |
| 1840 | run_irq_work = true; |
| 1841 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1842 | |
Arik Nemtsov | 725b827 | 2012-06-21 18:10:52 +0300 | [diff] [blame] | 1843 | mutex_lock(&wl->mutex); |
| 1844 | |
Arik Nemtsov | ea0a3cf | 2012-06-21 18:10:49 +0300 | [diff] [blame] | 1845 | /* test the recovery flag before calling any SDIO functions */ |
| 1846 | pending_recovery = test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, |
| 1847 | &wl->flags); |
| 1848 | |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1849 | if (run_irq_work) { |
| 1850 | wl1271_debug(DEBUG_MAC80211, |
| 1851 | "run postponed irq_work directly"); |
Arik Nemtsov | ea0a3cf | 2012-06-21 18:10:49 +0300 | [diff] [blame] | 1852 | |
| 1853 | /* don't talk to the HW if recovery is pending */ |
Arik Nemtsov | 725b827 | 2012-06-21 18:10:52 +0300 | [diff] [blame] | 1854 | if (!pending_recovery) { |
| 1855 | ret = wlcore_irq_locked(wl); |
| 1856 | if (ret) |
| 1857 | wl12xx_queue_recovery_work(wl); |
| 1858 | } |
Arik Nemtsov | ea0a3cf | 2012-06-21 18:10:49 +0300 | [diff] [blame] | 1859 | |
Luciano Coelho | dd5512e | 2012-04-11 11:03:14 +0300 | [diff] [blame] | 1860 | wlcore_enable_interrupts(wl); |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1861 | } |
Eyal Shapira | c56dbd5 | 2012-03-13 20:03:21 +0200 | [diff] [blame] | 1862 | |
Arik Nemtsov | ea0a3cf | 2012-06-21 18:10:49 +0300 | [diff] [blame] | 1863 | if (pending_recovery) { |
| 1864 | wl1271_warning("queuing forgotten recovery on resume"); |
| 1865 | ieee80211_queue_work(wl->hw, &wl->recovery_work); |
| 1866 | goto out; |
| 1867 | } |
| 1868 | |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 1869 | wl12xx_for_each_wlvif(wl, wlvif) { |
| 1870 | wl1271_configure_resume(wl, wlvif); |
| 1871 | } |
Arik Nemtsov | ea0a3cf | 2012-06-21 18:10:49 +0300 | [diff] [blame] | 1872 | |
| 1873 | out: |
Eliad Peller | ff91afc | 2011-06-06 12:21:53 +0300 | [diff] [blame] | 1874 | wl->wow_enabled = false; |
Arik Nemtsov | 9be86cf | 2014-02-10 13:47:18 +0200 | [diff] [blame] | 1875 | |
| 1876 | /* |
| 1877 | * Set a flag to re-init the watchdog on the first Tx after resume. |
| 1878 | * That way we avoid possible conditions where Tx-complete interrupts |
| 1879 | * fail to arrive and we perform a spurious recovery. |
| 1880 | */ |
| 1881 | set_bit(WL1271_FLAG_REINIT_TX_WDOG, &wl->flags); |
Eyal Shapira | c56dbd5 | 2012-03-13 20:03:21 +0200 | [diff] [blame] | 1882 | mutex_unlock(&wl->mutex); |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1883 | |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1884 | return 0; |
| 1885 | } |
Luciano Coelho | f634a4e | 2011-05-18 16:51:26 -0400 | [diff] [blame] | 1886 | #endif |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1887 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1888 | static int wl1271_op_start(struct ieee80211_hw *hw) |
| 1889 | { |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1890 | wl1271_debug(DEBUG_MAC80211, "mac80211 start"); |
| 1891 | |
| 1892 | /* |
| 1893 | * We have to delay the booting of the hardware because |
| 1894 | * we need to know the local MAC address before downloading and |
| 1895 | * initializing the firmware. The MAC address cannot be changed |
| 1896 | * after boot, and without the proper MAC address, the firmware |
| 1897 | * will not function properly. |
| 1898 | * |
| 1899 | * The MAC address is first known when the corresponding interface |
| 1900 | * is added. That is where we will initialize the hardware. |
| 1901 | */ |
| 1902 | |
Eyal Shapira | d18da7f | 2012-01-31 11:57:25 +0200 | [diff] [blame] | 1903 | return 0; |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1904 | } |
| 1905 | |
Ido Yariv | c24ec83 | 2012-06-26 21:08:58 +0300 | [diff] [blame] | 1906 | static void wlcore_op_stop_locked(struct wl1271 *wl) |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1907 | { |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 1908 | int i; |
| 1909 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 1910 | if (wl->state == WLCORE_STATE_OFF) { |
Ido Yariv | b666bb7 | 2012-05-21 01:10:11 +0300 | [diff] [blame] | 1911 | if (test_and_clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, |
| 1912 | &wl->flags)) |
| 1913 | wlcore_enable_interrupts(wl); |
| 1914 | |
Eliad Peller | 10c8cd0 | 2011-10-10 10:13:06 +0200 | [diff] [blame] | 1915 | return; |
| 1916 | } |
Ido Yariv | 46b0cc9 | 2012-01-11 09:42:41 +0200 | [diff] [blame] | 1917 | |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 1918 | /* |
| 1919 | * this must be before the cancel_work calls below, so that the work |
| 1920 | * functions don't perform further work. |
| 1921 | */ |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 1922 | wl->state = WLCORE_STATE_OFF; |
Ido Yariv | c24ec83 | 2012-06-26 21:08:58 +0300 | [diff] [blame] | 1923 | |
| 1924 | /* |
| 1925 | * Use the nosync variant to disable interrupts, so the mutex could be |
| 1926 | * held while doing so without deadlocking. |
| 1927 | */ |
| 1928 | wlcore_disable_interrupts_nosync(wl); |
| 1929 | |
Eliad Peller | 10c8cd0 | 2011-10-10 10:13:06 +0200 | [diff] [blame] | 1930 | mutex_unlock(&wl->mutex); |
| 1931 | |
Ido Yariv | c24ec83 | 2012-06-26 21:08:58 +0300 | [diff] [blame] | 1932 | wlcore_synchronize_interrupts(wl); |
Eliad Peller | 6dbc5fc | 2012-07-29 14:37:29 +0300 | [diff] [blame] | 1933 | if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) |
| 1934 | cancel_work_sync(&wl->recovery_work); |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 1935 | wl1271_flush_deferred_work(wl); |
| 1936 | cancel_delayed_work_sync(&wl->scan_complete_work); |
| 1937 | cancel_work_sync(&wl->netstack_work); |
| 1938 | cancel_work_sync(&wl->tx_work); |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 1939 | cancel_delayed_work_sync(&wl->elp_work); |
Arik Nemtsov | 55df5af | 2012-03-03 22:18:00 +0200 | [diff] [blame] | 1940 | cancel_delayed_work_sync(&wl->tx_watchdog_work); |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 1941 | |
| 1942 | /* let's notify MAC80211 about the remaining pending TX frames */ |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 1943 | mutex_lock(&wl->mutex); |
Arik Nemtsov | d935e38 | 2012-11-27 08:44:53 +0200 | [diff] [blame] | 1944 | wl12xx_tx_reset(wl); |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 1945 | |
| 1946 | wl1271_power_off(wl); |
Ido Yariv | b666bb7 | 2012-05-21 01:10:11 +0300 | [diff] [blame] | 1947 | /* |
| 1948 | * In case a recovery was scheduled, interrupts were disabled to avoid |
| 1949 | * an interrupt storm. Now that the power is down, it is safe to |
| 1950 | * re-enable interrupts to balance the disable depth |
| 1951 | */ |
| 1952 | if (test_and_clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) |
| 1953 | wlcore_enable_interrupts(wl); |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 1954 | |
| 1955 | wl->band = IEEE80211_BAND_2GHZ; |
| 1956 | |
| 1957 | wl->rx_counter = 0; |
| 1958 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
Arik Nemtsov | 83d08d3 | 2012-05-10 12:13:30 +0300 | [diff] [blame] | 1959 | wl->channel_type = NL80211_CHAN_NO_HT; |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 1960 | wl->tx_blocks_available = 0; |
| 1961 | wl->tx_allocated_blocks = 0; |
| 1962 | wl->tx_results_count = 0; |
| 1963 | wl->tx_packets_count = 0; |
| 1964 | wl->time_offset = 0; |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 1965 | wl->ap_fw_ps_map = 0; |
| 1966 | wl->ap_ps_map = 0; |
Arik Nemtsov | 2f18cf7 | 2012-06-10 19:10:45 +0300 | [diff] [blame] | 1967 | wl->sleep_auth = WL1271_PSM_ILLEGAL; |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 1968 | memset(wl->roles_map, 0, sizeof(wl->roles_map)); |
| 1969 | memset(wl->links_map, 0, sizeof(wl->links_map)); |
| 1970 | memset(wl->roc_map, 0, sizeof(wl->roc_map)); |
Eliad Peller | 978cd3a | 2012-11-22 18:06:21 +0200 | [diff] [blame] | 1971 | memset(wl->session_ids, 0, sizeof(wl->session_ids)); |
Nadim Zubidat | 02d0727 | 2014-02-10 13:47:17 +0200 | [diff] [blame] | 1972 | memset(wl->rx_filter_enabled, 0, sizeof(wl->rx_filter_enabled)); |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 1973 | wl->active_sta_count = 0; |
Arik Nemtsov | 9a10096 | 2012-11-28 11:42:42 +0200 | [diff] [blame] | 1974 | wl->active_link_count = 0; |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 1975 | |
| 1976 | /* The system link is always allocated */ |
Arik Nemtsov | 9ebcb23 | 2012-11-27 08:44:59 +0200 | [diff] [blame] | 1977 | wl->links[WL12XX_SYSTEM_HLID].allocated_pkts = 0; |
| 1978 | wl->links[WL12XX_SYSTEM_HLID].prev_freed_pkts = 0; |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 1979 | __set_bit(WL12XX_SYSTEM_HLID, wl->links_map); |
| 1980 | |
| 1981 | /* |
| 1982 | * this is performed after the cancel_work calls and the associated |
| 1983 | * mutex_lock, so that wl1271_op_add_interface does not accidentally |
| 1984 | * get executed before all these vars have been reset. |
| 1985 | */ |
| 1986 | wl->flags = 0; |
| 1987 | |
| 1988 | wl->tx_blocks_freed = 0; |
| 1989 | |
| 1990 | for (i = 0; i < NUM_TX_QUEUES; i++) { |
| 1991 | wl->tx_pkts_freed[i] = 0; |
| 1992 | wl->tx_allocated_pkts[i] = 0; |
| 1993 | } |
| 1994 | |
| 1995 | wl1271_debugfs_reset(wl); |
| 1996 | |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 1997 | kfree(wl->raw_fw_status); |
| 1998 | wl->raw_fw_status = NULL; |
| 1999 | kfree(wl->fw_status); |
| 2000 | wl->fw_status = NULL; |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 2001 | kfree(wl->tx_res_if); |
| 2002 | wl->tx_res_if = NULL; |
| 2003 | kfree(wl->target_mem_map); |
| 2004 | wl->target_mem_map = NULL; |
Victor Goldenshtein | 6b70e7e | 2012-11-25 18:26:59 +0200 | [diff] [blame] | 2005 | |
| 2006 | /* |
| 2007 | * FW channels must be re-calibrated after recovery, |
Eliad Peller | 8d3c1fd | 2013-09-09 12:24:44 +0300 | [diff] [blame] | 2008 | * save current Reg-Domain channel configuration and clear it. |
Victor Goldenshtein | 6b70e7e | 2012-11-25 18:26:59 +0200 | [diff] [blame] | 2009 | */ |
Eliad Peller | 8d3c1fd | 2013-09-09 12:24:44 +0300 | [diff] [blame] | 2010 | memcpy(wl->reg_ch_conf_pending, wl->reg_ch_conf_last, |
| 2011 | sizeof(wl->reg_ch_conf_pending)); |
Victor Goldenshtein | 6b70e7e | 2012-11-25 18:26:59 +0200 | [diff] [blame] | 2012 | memset(wl->reg_ch_conf_last, 0, sizeof(wl->reg_ch_conf_last)); |
Ido Yariv | c24ec83 | 2012-06-26 21:08:58 +0300 | [diff] [blame] | 2013 | } |
| 2014 | |
| 2015 | static void wlcore_op_stop(struct ieee80211_hw *hw) |
| 2016 | { |
| 2017 | struct wl1271 *wl = hw->priv; |
| 2018 | |
| 2019 | wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); |
| 2020 | |
| 2021 | mutex_lock(&wl->mutex); |
| 2022 | |
| 2023 | wlcore_op_stop_locked(wl); |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 2024 | |
| 2025 | mutex_unlock(&wl->mutex); |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 2026 | } |
| 2027 | |
Eliad Peller | c50a282 | 2012-11-22 18:06:19 +0200 | [diff] [blame] | 2028 | static void wlcore_channel_switch_work(struct work_struct *work) |
| 2029 | { |
| 2030 | struct delayed_work *dwork; |
| 2031 | struct wl1271 *wl; |
| 2032 | struct ieee80211_vif *vif; |
| 2033 | struct wl12xx_vif *wlvif; |
| 2034 | int ret; |
| 2035 | |
| 2036 | dwork = container_of(work, struct delayed_work, work); |
| 2037 | wlvif = container_of(dwork, struct wl12xx_vif, channel_switch_work); |
| 2038 | wl = wlvif->wl; |
| 2039 | |
| 2040 | wl1271_info("channel switch failed (role_id: %d).", wlvif->role_id); |
| 2041 | |
| 2042 | mutex_lock(&wl->mutex); |
| 2043 | |
| 2044 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
| 2045 | goto out; |
| 2046 | |
| 2047 | /* check the channel switch is still ongoing */ |
| 2048 | if (!test_and_clear_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags)) |
| 2049 | goto out; |
| 2050 | |
| 2051 | vif = wl12xx_wlvif_to_vif(wlvif); |
| 2052 | ieee80211_chswitch_done(vif, false); |
| 2053 | |
| 2054 | ret = wl1271_ps_elp_wakeup(wl); |
| 2055 | if (ret < 0) |
| 2056 | goto out; |
| 2057 | |
| 2058 | wl12xx_cmd_stop_channel_switch(wl, wlvif); |
| 2059 | |
| 2060 | wl1271_ps_elp_sleep(wl); |
| 2061 | out: |
| 2062 | mutex_unlock(&wl->mutex); |
| 2063 | } |
| 2064 | |
| 2065 | static void wlcore_connection_loss_work(struct work_struct *work) |
| 2066 | { |
| 2067 | struct delayed_work *dwork; |
| 2068 | struct wl1271 *wl; |
| 2069 | struct ieee80211_vif *vif; |
| 2070 | struct wl12xx_vif *wlvif; |
| 2071 | |
| 2072 | dwork = container_of(work, struct delayed_work, work); |
| 2073 | wlvif = container_of(dwork, struct wl12xx_vif, connection_loss_work); |
| 2074 | wl = wlvif->wl; |
| 2075 | |
| 2076 | wl1271_info("Connection loss work (role_id: %d).", wlvif->role_id); |
| 2077 | |
| 2078 | mutex_lock(&wl->mutex); |
| 2079 | |
| 2080 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
| 2081 | goto out; |
| 2082 | |
| 2083 | /* Call mac80211 connection loss */ |
| 2084 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
| 2085 | goto out; |
| 2086 | |
| 2087 | vif = wl12xx_wlvif_to_vif(wlvif); |
| 2088 | ieee80211_connection_loss(vif); |
| 2089 | out: |
| 2090 | mutex_unlock(&wl->mutex); |
| 2091 | } |
| 2092 | |
Arik Nemtsov | 187e52c | 2013-09-17 18:41:20 +0300 | [diff] [blame] | 2093 | static void wlcore_pending_auth_complete_work(struct work_struct *work) |
| 2094 | { |
| 2095 | struct delayed_work *dwork; |
| 2096 | struct wl1271 *wl; |
| 2097 | struct wl12xx_vif *wlvif; |
| 2098 | unsigned long time_spare; |
| 2099 | int ret; |
| 2100 | |
| 2101 | dwork = container_of(work, struct delayed_work, work); |
| 2102 | wlvif = container_of(dwork, struct wl12xx_vif, |
| 2103 | pending_auth_complete_work); |
| 2104 | wl = wlvif->wl; |
| 2105 | |
| 2106 | mutex_lock(&wl->mutex); |
| 2107 | |
| 2108 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
| 2109 | goto out; |
| 2110 | |
| 2111 | /* |
| 2112 | * Make sure a second really passed since the last auth reply. Maybe |
| 2113 | * a second auth reply arrived while we were stuck on the mutex. |
| 2114 | * Check for a little less than the timeout to protect from scheduler |
| 2115 | * irregularities. |
| 2116 | */ |
| 2117 | time_spare = jiffies + |
| 2118 | msecs_to_jiffies(WLCORE_PEND_AUTH_ROC_TIMEOUT - 50); |
| 2119 | if (!time_after(time_spare, wlvif->pending_auth_reply_time)) |
| 2120 | goto out; |
| 2121 | |
| 2122 | ret = wl1271_ps_elp_wakeup(wl); |
| 2123 | if (ret < 0) |
| 2124 | goto out; |
| 2125 | |
| 2126 | /* cancel the ROC if active */ |
| 2127 | wlcore_update_inconn_sta(wl, wlvif, NULL, false); |
| 2128 | |
| 2129 | wl1271_ps_elp_sleep(wl); |
| 2130 | out: |
| 2131 | mutex_unlock(&wl->mutex); |
| 2132 | } |
| 2133 | |
Eliad Peller | e5a359f | 2011-10-10 10:13:15 +0200 | [diff] [blame] | 2134 | static int wl12xx_allocate_rate_policy(struct wl1271 *wl, u8 *idx) |
| 2135 | { |
| 2136 | u8 policy = find_first_zero_bit(wl->rate_policies_map, |
| 2137 | WL12XX_MAX_RATE_POLICIES); |
| 2138 | if (policy >= WL12XX_MAX_RATE_POLICIES) |
| 2139 | return -EBUSY; |
| 2140 | |
| 2141 | __set_bit(policy, wl->rate_policies_map); |
| 2142 | *idx = policy; |
| 2143 | return 0; |
| 2144 | } |
| 2145 | |
| 2146 | static void wl12xx_free_rate_policy(struct wl1271 *wl, u8 *idx) |
| 2147 | { |
| 2148 | if (WARN_ON(*idx >= WL12XX_MAX_RATE_POLICIES)) |
| 2149 | return; |
| 2150 | |
| 2151 | __clear_bit(*idx, wl->rate_policies_map); |
| 2152 | *idx = WL12XX_MAX_RATE_POLICIES; |
| 2153 | } |
| 2154 | |
Eliad Peller | 001e39a | 2012-08-16 13:52:47 +0300 | [diff] [blame] | 2155 | static int wlcore_allocate_klv_template(struct wl1271 *wl, u8 *idx) |
| 2156 | { |
| 2157 | u8 policy = find_first_zero_bit(wl->klv_templates_map, |
| 2158 | WLCORE_MAX_KLV_TEMPLATES); |
| 2159 | if (policy >= WLCORE_MAX_KLV_TEMPLATES) |
| 2160 | return -EBUSY; |
| 2161 | |
| 2162 | __set_bit(policy, wl->klv_templates_map); |
| 2163 | *idx = policy; |
| 2164 | return 0; |
| 2165 | } |
| 2166 | |
| 2167 | static void wlcore_free_klv_template(struct wl1271 *wl, u8 *idx) |
| 2168 | { |
| 2169 | if (WARN_ON(*idx >= WLCORE_MAX_KLV_TEMPLATES)) |
| 2170 | return; |
| 2171 | |
| 2172 | __clear_bit(*idx, wl->klv_templates_map); |
| 2173 | *idx = WLCORE_MAX_KLV_TEMPLATES; |
| 2174 | } |
| 2175 | |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2176 | static u8 wl12xx_get_role_type(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame] | 2177 | { |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2178 | switch (wlvif->bss_type) { |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame] | 2179 | case BSS_TYPE_AP_BSS: |
Eliad Peller | fb0e707 | 2011-10-05 11:55:47 +0200 | [diff] [blame] | 2180 | if (wlvif->p2p) |
Eliad Peller | 045c745 | 2011-08-28 15:23:01 +0300 | [diff] [blame] | 2181 | return WL1271_ROLE_P2P_GO; |
| 2182 | else |
| 2183 | return WL1271_ROLE_AP; |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame] | 2184 | |
| 2185 | case BSS_TYPE_STA_BSS: |
Eliad Peller | fb0e707 | 2011-10-05 11:55:47 +0200 | [diff] [blame] | 2186 | if (wlvif->p2p) |
Eliad Peller | 045c745 | 2011-08-28 15:23:01 +0300 | [diff] [blame] | 2187 | return WL1271_ROLE_P2P_CL; |
| 2188 | else |
| 2189 | return WL1271_ROLE_STA; |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame] | 2190 | |
Eliad Peller | 227e81e | 2011-08-14 13:17:26 +0300 | [diff] [blame] | 2191 | case BSS_TYPE_IBSS: |
| 2192 | return WL1271_ROLE_IBSS; |
| 2193 | |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame] | 2194 | default: |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2195 | wl1271_error("invalid bss_type: %d", wlvif->bss_type); |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame] | 2196 | } |
| 2197 | return WL12XX_INVALID_ROLE_TYPE; |
| 2198 | } |
| 2199 | |
Eliad Peller | 8358750 | 2011-10-10 10:12:53 +0200 | [diff] [blame] | 2200 | static int wl12xx_init_vif_data(struct wl1271 *wl, struct ieee80211_vif *vif) |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 2201 | { |
Eliad Peller | e936bbe | 2011-10-05 11:55:56 +0200 | [diff] [blame] | 2202 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Eliad Peller | e5a359f | 2011-10-10 10:13:15 +0200 | [diff] [blame] | 2203 | int i; |
Eliad Peller | e936bbe | 2011-10-05 11:55:56 +0200 | [diff] [blame] | 2204 | |
Eliad Peller | 48e93e4 | 2011-10-10 10:12:58 +0200 | [diff] [blame] | 2205 | /* clear everything but the persistent data */ |
| 2206 | memset(wlvif, 0, offsetof(struct wl12xx_vif, persistent)); |
Eliad Peller | e936bbe | 2011-10-05 11:55:56 +0200 | [diff] [blame] | 2207 | |
| 2208 | switch (ieee80211_vif_type_p2p(vif)) { |
| 2209 | case NL80211_IFTYPE_P2P_CLIENT: |
| 2210 | wlvif->p2p = 1; |
| 2211 | /* fall-through */ |
| 2212 | case NL80211_IFTYPE_STATION: |
| 2213 | wlvif->bss_type = BSS_TYPE_STA_BSS; |
| 2214 | break; |
| 2215 | case NL80211_IFTYPE_ADHOC: |
| 2216 | wlvif->bss_type = BSS_TYPE_IBSS; |
| 2217 | break; |
| 2218 | case NL80211_IFTYPE_P2P_GO: |
| 2219 | wlvif->p2p = 1; |
| 2220 | /* fall-through */ |
| 2221 | case NL80211_IFTYPE_AP: |
| 2222 | wlvif->bss_type = BSS_TYPE_AP_BSS; |
| 2223 | break; |
| 2224 | default: |
| 2225 | wlvif->bss_type = MAX_BSS_TYPE; |
| 2226 | return -EOPNOTSUPP; |
| 2227 | } |
| 2228 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 2229 | wlvif->role_id = WL12XX_INVALID_ROLE_ID; |
Eliad Peller | 7edebf5 | 2011-10-05 11:55:52 +0200 | [diff] [blame] | 2230 | wlvif->dev_role_id = WL12XX_INVALID_ROLE_ID; |
Eliad Peller | afaf8bd | 2011-10-05 11:55:57 +0200 | [diff] [blame] | 2231 | wlvif->dev_hlid = WL12XX_INVALID_LINK_ID; |
Eliad Peller | a8ab39a | 2011-10-05 11:55:54 +0200 | [diff] [blame] | 2232 | |
Eliad Peller | e936bbe | 2011-10-05 11:55:56 +0200 | [diff] [blame] | 2233 | if (wlvif->bss_type == BSS_TYPE_STA_BSS || |
| 2234 | wlvif->bss_type == BSS_TYPE_IBSS) { |
| 2235 | /* init sta/ibss data */ |
| 2236 | wlvif->sta.hlid = WL12XX_INVALID_LINK_ID; |
Eliad Peller | e5a359f | 2011-10-10 10:13:15 +0200 | [diff] [blame] | 2237 | wl12xx_allocate_rate_policy(wl, &wlvif->sta.basic_rate_idx); |
| 2238 | wl12xx_allocate_rate_policy(wl, &wlvif->sta.ap_rate_idx); |
| 2239 | wl12xx_allocate_rate_policy(wl, &wlvif->sta.p2p_rate_idx); |
Eliad Peller | 001e39a | 2012-08-16 13:52:47 +0300 | [diff] [blame] | 2240 | wlcore_allocate_klv_template(wl, &wlvif->sta.klv_template_id); |
Luciano Coelho | 15e05bc | 2012-05-10 12:14:05 +0300 | [diff] [blame] | 2241 | wlvif->basic_rate_set = CONF_TX_RATE_MASK_BASIC; |
| 2242 | wlvif->basic_rate = CONF_TX_RATE_MASK_BASIC; |
| 2243 | wlvif->rate_set = CONF_TX_RATE_MASK_BASIC; |
Eliad Peller | e936bbe | 2011-10-05 11:55:56 +0200 | [diff] [blame] | 2244 | } else { |
| 2245 | /* init ap data */ |
| 2246 | wlvif->ap.bcast_hlid = WL12XX_INVALID_LINK_ID; |
| 2247 | wlvif->ap.global_hlid = WL12XX_INVALID_LINK_ID; |
Eliad Peller | e5a359f | 2011-10-10 10:13:15 +0200 | [diff] [blame] | 2248 | wl12xx_allocate_rate_policy(wl, &wlvif->ap.mgmt_rate_idx); |
| 2249 | wl12xx_allocate_rate_policy(wl, &wlvif->ap.bcast_rate_idx); |
| 2250 | for (i = 0; i < CONF_TX_MAX_AC_COUNT; i++) |
| 2251 | wl12xx_allocate_rate_policy(wl, |
| 2252 | &wlvif->ap.ucast_rate_idx[i]); |
Eliad Peller | 42ec1f8 | 2012-11-20 13:20:08 +0200 | [diff] [blame] | 2253 | wlvif->basic_rate_set = CONF_TX_ENABLED_RATES; |
Luciano Coelho | 15e05bc | 2012-05-10 12:14:05 +0300 | [diff] [blame] | 2254 | /* |
| 2255 | * TODO: check if basic_rate shouldn't be |
| 2256 | * wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); |
| 2257 | * instead (the same thing for STA above). |
| 2258 | */ |
Eliad Peller | 42ec1f8 | 2012-11-20 13:20:08 +0200 | [diff] [blame] | 2259 | wlvif->basic_rate = CONF_TX_ENABLED_RATES; |
Luciano Coelho | 15e05bc | 2012-05-10 12:14:05 +0300 | [diff] [blame] | 2260 | /* TODO: this seems to be used only for STA, check it */ |
Eliad Peller | 42ec1f8 | 2012-11-20 13:20:08 +0200 | [diff] [blame] | 2261 | wlvif->rate_set = CONF_TX_ENABLED_RATES; |
Eliad Peller | e936bbe | 2011-10-05 11:55:56 +0200 | [diff] [blame] | 2262 | } |
Eliad Peller | a8ab39a | 2011-10-05 11:55:54 +0200 | [diff] [blame] | 2263 | |
Eliad Peller | 8358750 | 2011-10-10 10:12:53 +0200 | [diff] [blame] | 2264 | wlvif->bitrate_masks[IEEE80211_BAND_2GHZ] = wl->conf.tx.basic_rate; |
| 2265 | wlvif->bitrate_masks[IEEE80211_BAND_5GHZ] = wl->conf.tx.basic_rate_5; |
Eliad Peller | 6a89979 | 2011-10-05 11:55:58 +0200 | [diff] [blame] | 2266 | wlvif->beacon_int = WL1271_DEFAULT_BEACON_INT; |
| 2267 | |
Eliad Peller | 1b92f15 | 2011-10-10 10:13:09 +0200 | [diff] [blame] | 2268 | /* |
| 2269 | * mac80211 configures some values globally, while we treat them |
| 2270 | * per-interface. thus, on init, we have to copy them from wl |
| 2271 | */ |
| 2272 | wlvif->band = wl->band; |
Eliad Peller | 61f845f | 2011-10-10 10:13:10 +0200 | [diff] [blame] | 2273 | wlvif->channel = wl->channel; |
Eliad Peller | 6bd6502 | 2011-10-10 10:13:11 +0200 | [diff] [blame] | 2274 | wlvif->power_level = wl->power_level; |
Arik Nemtsov | 83d08d3 | 2012-05-10 12:13:30 +0300 | [diff] [blame] | 2275 | wlvif->channel_type = wl->channel_type; |
Eliad Peller | 1b92f15 | 2011-10-10 10:13:09 +0200 | [diff] [blame] | 2276 | |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 2277 | INIT_WORK(&wlvif->rx_streaming_enable_work, |
| 2278 | wl1271_rx_streaming_enable_work); |
| 2279 | INIT_WORK(&wlvif->rx_streaming_disable_work, |
| 2280 | wl1271_rx_streaming_disable_work); |
Eliad Peller | c50a282 | 2012-11-22 18:06:19 +0200 | [diff] [blame] | 2281 | INIT_DELAYED_WORK(&wlvif->channel_switch_work, |
| 2282 | wlcore_channel_switch_work); |
| 2283 | INIT_DELAYED_WORK(&wlvif->connection_loss_work, |
| 2284 | wlcore_connection_loss_work); |
Arik Nemtsov | 187e52c | 2013-09-17 18:41:20 +0300 | [diff] [blame] | 2285 | INIT_DELAYED_WORK(&wlvif->pending_auth_complete_work, |
| 2286 | wlcore_pending_auth_complete_work); |
Eliad Peller | 8762721 | 2011-10-10 10:12:54 +0200 | [diff] [blame] | 2287 | INIT_LIST_HEAD(&wlvif->list); |
Eliad Peller | 252efa4 | 2011-10-05 11:56:00 +0200 | [diff] [blame] | 2288 | |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 2289 | setup_timer(&wlvif->rx_streaming_timer, wl1271_rx_streaming_timer, |
| 2290 | (unsigned long) wlvif); |
Eliad Peller | e936bbe | 2011-10-05 11:55:56 +0200 | [diff] [blame] | 2291 | return 0; |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 2292 | } |
| 2293 | |
Luciano Coelho | 5dc283f | 2013-01-30 10:53:14 +0200 | [diff] [blame] | 2294 | static int wl12xx_init_fw(struct wl1271 *wl) |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2295 | { |
| 2296 | int retries = WL1271_BOOT_RETRIES; |
| 2297 | bool booted = false; |
| 2298 | struct wiphy *wiphy = wl->hw->wiphy; |
| 2299 | int ret; |
| 2300 | |
| 2301 | while (retries) { |
| 2302 | retries--; |
Eliad Peller | 3fcdab7 | 2012-02-06 12:47:54 +0200 | [diff] [blame] | 2303 | ret = wl12xx_chip_wakeup(wl, false); |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2304 | if (ret < 0) |
| 2305 | goto power_off; |
| 2306 | |
Luciano Coelho | dd5512e | 2012-04-11 11:03:14 +0300 | [diff] [blame] | 2307 | ret = wl->ops->boot(wl); |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2308 | if (ret < 0) |
| 2309 | goto power_off; |
| 2310 | |
| 2311 | ret = wl1271_hw_init(wl); |
| 2312 | if (ret < 0) |
| 2313 | goto irq_disable; |
| 2314 | |
| 2315 | booted = true; |
| 2316 | break; |
| 2317 | |
| 2318 | irq_disable: |
| 2319 | mutex_unlock(&wl->mutex); |
| 2320 | /* Unlocking the mutex in the middle of handling is |
| 2321 | inherently unsafe. In this case we deem it safe to do, |
| 2322 | because we need to let any possibly pending IRQ out of |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 2323 | the system (and while we are WLCORE_STATE_OFF the IRQ |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2324 | work function will not do anything.) Also, any other |
| 2325 | possible concurrent operations will fail due to the |
| 2326 | current state, hence the wl1271 struct should be safe. */ |
Luciano Coelho | dd5512e | 2012-04-11 11:03:14 +0300 | [diff] [blame] | 2327 | wlcore_disable_interrupts(wl); |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2328 | wl1271_flush_deferred_work(wl); |
| 2329 | cancel_work_sync(&wl->netstack_work); |
| 2330 | mutex_lock(&wl->mutex); |
| 2331 | power_off: |
| 2332 | wl1271_power_off(wl); |
| 2333 | } |
| 2334 | |
| 2335 | if (!booted) { |
| 2336 | wl1271_error("firmware boot failed despite %d retries", |
| 2337 | WL1271_BOOT_RETRIES); |
| 2338 | goto out; |
| 2339 | } |
| 2340 | |
| 2341 | wl1271_info("firmware booted (%s)", wl->chip.fw_ver_str); |
| 2342 | |
| 2343 | /* update hw/fw version info in wiphy struct */ |
| 2344 | wiphy->hw_version = wl->chip.id; |
| 2345 | strncpy(wiphy->fw_version, wl->chip.fw_ver_str, |
| 2346 | sizeof(wiphy->fw_version)); |
| 2347 | |
| 2348 | /* |
| 2349 | * Now we know if 11a is supported (info from the NVS), so disable |
| 2350 | * 11a channels if not supported |
| 2351 | */ |
| 2352 | if (!wl->enable_11a) |
| 2353 | wiphy->bands[IEEE80211_BAND_5GHZ]->n_channels = 0; |
| 2354 | |
| 2355 | wl1271_debug(DEBUG_MAC80211, "11a is %ssupported", |
| 2356 | wl->enable_11a ? "" : "not "); |
| 2357 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 2358 | wl->state = WLCORE_STATE_ON; |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2359 | out: |
Luciano Coelho | 5dc283f | 2013-01-30 10:53:14 +0200 | [diff] [blame] | 2360 | return ret; |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2361 | } |
| 2362 | |
Eliad Peller | 92e712d | 2011-12-18 20:25:43 +0200 | [diff] [blame] | 2363 | static bool wl12xx_dev_role_started(struct wl12xx_vif *wlvif) |
| 2364 | { |
| 2365 | return wlvif->dev_hlid != WL12XX_INVALID_LINK_ID; |
| 2366 | } |
| 2367 | |
Eliad Peller | 4549d09 | 2012-02-06 13:07:52 +0200 | [diff] [blame] | 2368 | /* |
| 2369 | * Check whether a fw switch (i.e. moving from one loaded |
| 2370 | * fw to another) is needed. This function is also responsible |
| 2371 | * for updating wl->last_vif_count, so it must be called before |
| 2372 | * loading a non-plt fw (so the correct fw (single-role/multi-role) |
| 2373 | * will be used). |
| 2374 | */ |
| 2375 | static bool wl12xx_need_fw_change(struct wl1271 *wl, |
| 2376 | struct vif_counter_data vif_counter_data, |
| 2377 | bool add) |
| 2378 | { |
| 2379 | enum wl12xx_fw_type current_fw = wl->fw_type; |
| 2380 | u8 vif_count = vif_counter_data.counter; |
| 2381 | |
| 2382 | if (test_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags)) |
| 2383 | return false; |
| 2384 | |
| 2385 | /* increase the vif count if this is a new vif */ |
| 2386 | if (add && !vif_counter_data.cur_vif_running) |
| 2387 | vif_count++; |
| 2388 | |
| 2389 | wl->last_vif_count = vif_count; |
| 2390 | |
| 2391 | /* no need for fw change if the device is OFF */ |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 2392 | if (wl->state == WLCORE_STATE_OFF) |
Eliad Peller | 4549d09 | 2012-02-06 13:07:52 +0200 | [diff] [blame] | 2393 | return false; |
| 2394 | |
Eliad Peller | 9b1a0a7 | 2012-07-25 14:22:21 +0300 | [diff] [blame] | 2395 | /* no need for fw change if a single fw is used */ |
| 2396 | if (!wl->mr_fw_name) |
| 2397 | return false; |
| 2398 | |
Eliad Peller | 4549d09 | 2012-02-06 13:07:52 +0200 | [diff] [blame] | 2399 | if (vif_count > 1 && current_fw == WL12XX_FW_TYPE_NORMAL) |
| 2400 | return true; |
| 2401 | if (vif_count <= 1 && current_fw == WL12XX_FW_TYPE_MULTI) |
| 2402 | return true; |
| 2403 | |
| 2404 | return false; |
| 2405 | } |
| 2406 | |
Eliad Peller | 3dee439 | 2012-02-06 12:47:56 +0200 | [diff] [blame] | 2407 | /* |
| 2408 | * Enter "forced psm". Make sure the sta is in psm against the ap, |
| 2409 | * to make the fw switch a bit more disconnection-persistent. |
| 2410 | */ |
| 2411 | static void wl12xx_force_active_psm(struct wl1271 *wl) |
| 2412 | { |
| 2413 | struct wl12xx_vif *wlvif; |
| 2414 | |
| 2415 | wl12xx_for_each_wlvif_sta(wl, wlvif) { |
| 2416 | wl1271_ps_set_mode(wl, wlvif, STATION_POWER_SAVE_MODE); |
| 2417 | } |
| 2418 | } |
| 2419 | |
Arik Nemtsov | 1c33db7 | 2012-11-30 00:48:03 +0200 | [diff] [blame] | 2420 | struct wlcore_hw_queue_iter_data { |
| 2421 | unsigned long hw_queue_map[BITS_TO_LONGS(WLCORE_NUM_MAC_ADDRESSES)]; |
| 2422 | /* current vif */ |
| 2423 | struct ieee80211_vif *vif; |
| 2424 | /* is the current vif among those iterated */ |
| 2425 | bool cur_running; |
| 2426 | }; |
| 2427 | |
| 2428 | static void wlcore_hw_queue_iter(void *data, u8 *mac, |
| 2429 | struct ieee80211_vif *vif) |
| 2430 | { |
| 2431 | struct wlcore_hw_queue_iter_data *iter_data = data; |
| 2432 | |
| 2433 | if (WARN_ON_ONCE(vif->hw_queue[0] == IEEE80211_INVAL_HW_QUEUE)) |
| 2434 | return; |
| 2435 | |
| 2436 | if (iter_data->cur_running || vif == iter_data->vif) { |
| 2437 | iter_data->cur_running = true; |
| 2438 | return; |
| 2439 | } |
| 2440 | |
| 2441 | __set_bit(vif->hw_queue[0] / NUM_TX_QUEUES, iter_data->hw_queue_map); |
| 2442 | } |
| 2443 | |
| 2444 | static int wlcore_allocate_hw_queue_base(struct wl1271 *wl, |
| 2445 | struct wl12xx_vif *wlvif) |
| 2446 | { |
| 2447 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
| 2448 | struct wlcore_hw_queue_iter_data iter_data = {}; |
| 2449 | int i, q_base; |
| 2450 | |
| 2451 | iter_data.vif = vif; |
| 2452 | |
| 2453 | /* mark all bits taken by active interfaces */ |
| 2454 | ieee80211_iterate_active_interfaces_atomic(wl->hw, |
| 2455 | IEEE80211_IFACE_ITER_RESUME_ALL, |
| 2456 | wlcore_hw_queue_iter, &iter_data); |
| 2457 | |
| 2458 | /* the current vif is already running in mac80211 (resume/recovery) */ |
| 2459 | if (iter_data.cur_running) { |
| 2460 | wlvif->hw_queue_base = vif->hw_queue[0]; |
| 2461 | wl1271_debug(DEBUG_MAC80211, |
| 2462 | "using pre-allocated hw queue base %d", |
| 2463 | wlvif->hw_queue_base); |
| 2464 | |
| 2465 | /* interface type might have changed type */ |
| 2466 | goto adjust_cab_queue; |
| 2467 | } |
| 2468 | |
| 2469 | q_base = find_first_zero_bit(iter_data.hw_queue_map, |
| 2470 | WLCORE_NUM_MAC_ADDRESSES); |
| 2471 | if (q_base >= WLCORE_NUM_MAC_ADDRESSES) |
| 2472 | return -EBUSY; |
| 2473 | |
| 2474 | wlvif->hw_queue_base = q_base * NUM_TX_QUEUES; |
| 2475 | wl1271_debug(DEBUG_MAC80211, "allocating hw queue base: %d", |
| 2476 | wlvif->hw_queue_base); |
| 2477 | |
| 2478 | for (i = 0; i < NUM_TX_QUEUES; i++) { |
| 2479 | wl->queue_stop_reasons[wlvif->hw_queue_base + i] = 0; |
| 2480 | /* register hw queues in mac80211 */ |
| 2481 | vif->hw_queue[i] = wlvif->hw_queue_base + i; |
| 2482 | } |
| 2483 | |
| 2484 | adjust_cab_queue: |
| 2485 | /* the last places are reserved for cab queues per interface */ |
| 2486 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) |
| 2487 | vif->cab_queue = NUM_TX_QUEUES * WLCORE_NUM_MAC_ADDRESSES + |
| 2488 | wlvif->hw_queue_base / NUM_TX_QUEUES; |
| 2489 | else |
| 2490 | vif->cab_queue = IEEE80211_INVAL_HW_QUEUE; |
| 2491 | |
| 2492 | return 0; |
| 2493 | } |
| 2494 | |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 2495 | static int wl1271_op_add_interface(struct ieee80211_hw *hw, |
| 2496 | struct ieee80211_vif *vif) |
| 2497 | { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2498 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2499 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Eliad Peller | 4549d09 | 2012-02-06 13:07:52 +0200 | [diff] [blame] | 2500 | struct vif_counter_data vif_count; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2501 | int ret = 0; |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame] | 2502 | u8 role_type; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2503 | |
Yair Shapira | dd491ff | 2013-09-17 18:41:21 +0300 | [diff] [blame] | 2504 | if (wl->plt) { |
| 2505 | wl1271_error("Adding Interface not allowed while in PLT mode"); |
| 2506 | return -EBUSY; |
| 2507 | } |
| 2508 | |
Johannes Berg | ea08635 | 2012-01-19 09:29:58 +0100 | [diff] [blame] | 2509 | vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | |
| 2510 | IEEE80211_VIF_SUPPORTS_CQM_RSSI; |
Johannes Berg | c1288b1 | 2012-01-19 09:29:57 +0100 | [diff] [blame] | 2511 | |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 2512 | wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", |
Eliad Peller | 045c745 | 2011-08-28 15:23:01 +0300 | [diff] [blame] | 2513 | ieee80211_vif_type_p2p(vif), vif->addr); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2514 | |
Eliad Peller | 4549d09 | 2012-02-06 13:07:52 +0200 | [diff] [blame] | 2515 | wl12xx_get_vif_count(hw, vif, &vif_count); |
| 2516 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2517 | mutex_lock(&wl->mutex); |
Eliad Peller | f750c82 | 2011-10-10 10:13:16 +0200 | [diff] [blame] | 2518 | ret = wl1271_ps_elp_wakeup(wl); |
| 2519 | if (ret < 0) |
| 2520 | goto out_unlock; |
| 2521 | |
Juuso Oikarinen | 13026de | 2011-03-29 16:43:50 +0300 | [diff] [blame] | 2522 | /* |
| 2523 | * in some very corner case HW recovery scenarios its possible to |
| 2524 | * get here before __wl1271_op_remove_interface is complete, so |
| 2525 | * opt out if that is the case. |
| 2526 | */ |
Eliad Peller | 10c8cd0 | 2011-10-10 10:13:06 +0200 | [diff] [blame] | 2527 | if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags) || |
| 2528 | test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) { |
Juuso Oikarinen | 13026de | 2011-03-29 16:43:50 +0300 | [diff] [blame] | 2529 | ret = -EBUSY; |
| 2530 | goto out; |
| 2531 | } |
| 2532 | |
Eliad Peller | 3fcdab7 | 2012-02-06 12:47:54 +0200 | [diff] [blame] | 2533 | |
Eliad Peller | 8358750 | 2011-10-10 10:12:53 +0200 | [diff] [blame] | 2534 | ret = wl12xx_init_vif_data(wl, vif); |
Eliad Peller | e936bbe | 2011-10-05 11:55:56 +0200 | [diff] [blame] | 2535 | if (ret < 0) |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 2536 | goto out; |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 2537 | |
Eliad Peller | 252efa4 | 2011-10-05 11:56:00 +0200 | [diff] [blame] | 2538 | wlvif->wl = wl; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2539 | role_type = wl12xx_get_role_type(wl, wlvif); |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame] | 2540 | if (role_type == WL12XX_INVALID_ROLE_TYPE) { |
| 2541 | ret = -EINVAL; |
| 2542 | goto out; |
| 2543 | } |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2544 | |
Arik Nemtsov | 1c33db7 | 2012-11-30 00:48:03 +0200 | [diff] [blame] | 2545 | ret = wlcore_allocate_hw_queue_base(wl, wlvif); |
| 2546 | if (ret < 0) |
| 2547 | goto out; |
| 2548 | |
Eliad Peller | 4549d09 | 2012-02-06 13:07:52 +0200 | [diff] [blame] | 2549 | if (wl12xx_need_fw_change(wl, vif_count, true)) { |
Eliad Peller | 3dee439 | 2012-02-06 12:47:56 +0200 | [diff] [blame] | 2550 | wl12xx_force_active_psm(wl); |
Eliad Peller | e9ba715 | 2012-03-04 10:55:54 +0200 | [diff] [blame] | 2551 | set_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags); |
Eliad Peller | 4549d09 | 2012-02-06 13:07:52 +0200 | [diff] [blame] | 2552 | mutex_unlock(&wl->mutex); |
| 2553 | wl1271_recovery_work(&wl->recovery_work); |
| 2554 | return 0; |
| 2555 | } |
| 2556 | |
Eliad Peller | 784f694 | 2011-10-05 11:55:39 +0200 | [diff] [blame] | 2557 | /* |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2558 | * TODO: after the nvs issue will be solved, move this block |
| 2559 | * to start(), and make sure here the driver is ON. |
Eliad Peller | 784f694 | 2011-10-05 11:55:39 +0200 | [diff] [blame] | 2560 | */ |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 2561 | if (wl->state == WLCORE_STATE_OFF) { |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2562 | /* |
| 2563 | * we still need this in order to configure the fw |
| 2564 | * while uploading the nvs |
| 2565 | */ |
Luciano Coelho | 5e037e7 | 2011-12-23 09:32:17 +0200 | [diff] [blame] | 2566 | memcpy(wl->addresses[0].addr, vif->addr, ETH_ALEN); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2567 | |
Luciano Coelho | 5dc283f | 2013-01-30 10:53:14 +0200 | [diff] [blame] | 2568 | ret = wl12xx_init_fw(wl); |
| 2569 | if (ret < 0) |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2570 | goto out; |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2571 | } |
Eliad Peller | 04e8079 | 2011-08-14 13:17:09 +0300 | [diff] [blame] | 2572 | |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2573 | ret = wl12xx_cmd_role_enable(wl, vif->addr, |
| 2574 | role_type, &wlvif->role_id); |
| 2575 | if (ret < 0) |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 2576 | goto out; |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2577 | |
| 2578 | ret = wl1271_init_vif_specific(wl, vif); |
| 2579 | if (ret < 0) |
| 2580 | goto out; |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 2581 | |
Eliad Peller | 8762721 | 2011-10-10 10:12:54 +0200 | [diff] [blame] | 2582 | list_add(&wlvif->list, &wl->wlvif_list); |
Eliad Peller | 10c8cd0 | 2011-10-10 10:13:06 +0200 | [diff] [blame] | 2583 | set_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags); |
Eliad Peller | a4e4130 | 2011-10-11 11:49:15 +0200 | [diff] [blame] | 2584 | |
| 2585 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) |
| 2586 | wl->ap_count++; |
| 2587 | else |
| 2588 | wl->sta_count++; |
Juuso Oikarinen | eb5b28d | 2009-10-13 12:47:45 +0300 | [diff] [blame] | 2589 | out: |
Eliad Peller | f750c82 | 2011-10-10 10:13:16 +0200 | [diff] [blame] | 2590 | wl1271_ps_elp_sleep(wl); |
| 2591 | out_unlock: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2592 | mutex_unlock(&wl->mutex); |
| 2593 | |
| 2594 | return ret; |
| 2595 | } |
| 2596 | |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 2597 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2598 | struct ieee80211_vif *vif, |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 2599 | bool reset_tx_queues) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2600 | { |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2601 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Eliad Peller | e5a359f | 2011-10-10 10:13:15 +0200 | [diff] [blame] | 2602 | int i, ret; |
Arik Nemtsov | 2f18cf7 | 2012-06-10 19:10:45 +0300 | [diff] [blame] | 2603 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2604 | |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 2605 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2606 | |
Eliad Peller | 10c8cd0 | 2011-10-10 10:13:06 +0200 | [diff] [blame] | 2607 | if (!test_and_clear_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) |
| 2608 | return; |
| 2609 | |
Juuso Oikarinen | 13026de | 2011-03-29 16:43:50 +0300 | [diff] [blame] | 2610 | /* because of hardware recovery, we may get here twice */ |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 2611 | if (wl->state == WLCORE_STATE_OFF) |
Juuso Oikarinen | 13026de | 2011-03-29 16:43:50 +0300 | [diff] [blame] | 2612 | return; |
| 2613 | |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 2614 | wl1271_info("down"); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2615 | |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 2616 | if (wl->scan.state != WL1271_SCAN_STATE_IDLE && |
Eliad Peller | c50a282 | 2012-11-22 18:06:19 +0200 | [diff] [blame] | 2617 | wl->scan_wlvif == wlvif) { |
Arik Nemtsov | 55df5af | 2012-03-03 22:18:00 +0200 | [diff] [blame] | 2618 | /* |
| 2619 | * Rearm the tx watchdog just before idling scan. This |
| 2620 | * prevents just-finished scans from triggering the watchdog |
| 2621 | */ |
| 2622 | wl12xx_rearm_tx_watchdog_locked(wl); |
| 2623 | |
Luciano Coelho | 08688d6 | 2010-07-08 17:50:07 +0300 | [diff] [blame] | 2624 | wl->scan.state = WL1271_SCAN_STATE_IDLE; |
Luciano Coelho | 4a31c11 | 2011-03-21 23:16:14 +0200 | [diff] [blame] | 2625 | memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); |
Eliad Peller | c50a282 | 2012-11-22 18:06:19 +0200 | [diff] [blame] | 2626 | wl->scan_wlvif = NULL; |
Juuso Oikarinen | b739a42 | 2010-10-26 13:24:38 +0200 | [diff] [blame] | 2627 | wl->scan.req = NULL; |
Juuso Oikarinen | 76a029f | 2010-07-29 04:54:45 +0300 | [diff] [blame] | 2628 | ieee80211_scan_completed(wl->hw, true); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2629 | } |
| 2630 | |
Barak Bercovitz | 5a441f5 | 2014-02-10 13:47:27 +0200 | [diff] [blame] | 2631 | if (wl->sched_vif == wlvif) |
Eliad Peller | 1019975 | 2012-11-22 18:06:23 +0200 | [diff] [blame] | 2632 | wl->sched_vif = NULL; |
Eliad Peller | 1019975 | 2012-11-22 18:06:23 +0200 | [diff] [blame] | 2633 | |
Arik Nemtsov | 5d979f3 | 2012-11-27 08:44:48 +0200 | [diff] [blame] | 2634 | if (wl->roc_vif == vif) { |
| 2635 | wl->roc_vif = NULL; |
| 2636 | ieee80211_remain_on_channel_expired(wl->hw); |
| 2637 | } |
| 2638 | |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame] | 2639 | if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) { |
| 2640 | /* disable active roles */ |
| 2641 | ret = wl1271_ps_elp_wakeup(wl); |
| 2642 | if (ret < 0) |
| 2643 | goto deinit; |
| 2644 | |
Eliad Peller | b890f4c | 2011-12-18 20:25:44 +0200 | [diff] [blame] | 2645 | if (wlvif->bss_type == BSS_TYPE_STA_BSS || |
| 2646 | wlvif->bss_type == BSS_TYPE_IBSS) { |
| 2647 | if (wl12xx_dev_role_started(wlvif)) |
| 2648 | wl12xx_stop_dev(wl, wlvif); |
Eliad Peller | 04e8079 | 2011-08-14 13:17:09 +0300 | [diff] [blame] | 2649 | } |
| 2650 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 2651 | ret = wl12xx_cmd_role_disable(wl, &wlvif->role_id); |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame] | 2652 | if (ret < 0) |
| 2653 | goto deinit; |
| 2654 | |
| 2655 | wl1271_ps_elp_sleep(wl); |
| 2656 | } |
| 2657 | deinit: |
Arik Nemtsov | 5a99610 | 2013-03-12 17:19:43 +0200 | [diff] [blame] | 2658 | wl12xx_tx_reset_wlvif(wl, wlvif); |
| 2659 | |
Arik Nemtsov | e51ae9b | 2011-08-14 13:17:21 +0300 | [diff] [blame] | 2660 | /* clear all hlids (except system_hlid) */ |
Eliad Peller | afaf8bd | 2011-10-05 11:55:57 +0200 | [diff] [blame] | 2661 | wlvif->dev_hlid = WL12XX_INVALID_LINK_ID; |
Eliad Peller | e5a359f | 2011-10-10 10:13:15 +0200 | [diff] [blame] | 2662 | |
| 2663 | if (wlvif->bss_type == BSS_TYPE_STA_BSS || |
| 2664 | wlvif->bss_type == BSS_TYPE_IBSS) { |
| 2665 | wlvif->sta.hlid = WL12XX_INVALID_LINK_ID; |
| 2666 | wl12xx_free_rate_policy(wl, &wlvif->sta.basic_rate_idx); |
| 2667 | wl12xx_free_rate_policy(wl, &wlvif->sta.ap_rate_idx); |
| 2668 | wl12xx_free_rate_policy(wl, &wlvif->sta.p2p_rate_idx); |
Eliad Peller | 001e39a | 2012-08-16 13:52:47 +0300 | [diff] [blame] | 2669 | wlcore_free_klv_template(wl, &wlvif->sta.klv_template_id); |
Eliad Peller | e5a359f | 2011-10-10 10:13:15 +0200 | [diff] [blame] | 2670 | } else { |
| 2671 | wlvif->ap.bcast_hlid = WL12XX_INVALID_LINK_ID; |
| 2672 | wlvif->ap.global_hlid = WL12XX_INVALID_LINK_ID; |
| 2673 | wl12xx_free_rate_policy(wl, &wlvif->ap.mgmt_rate_idx); |
| 2674 | wl12xx_free_rate_policy(wl, &wlvif->ap.bcast_rate_idx); |
| 2675 | for (i = 0; i < CONF_TX_MAX_AC_COUNT; i++) |
| 2676 | wl12xx_free_rate_policy(wl, |
| 2677 | &wlvif->ap.ucast_rate_idx[i]); |
Eliad Peller | 830be7e | 2012-03-19 11:32:55 +0200 | [diff] [blame] | 2678 | wl1271_free_ap_keys(wl, wlvif); |
Eliad Peller | e5a359f | 2011-10-10 10:13:15 +0200 | [diff] [blame] | 2679 | } |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame] | 2680 | |
Eyal Shapira | 3eba4a0 | 2012-03-19 12:06:27 +0200 | [diff] [blame] | 2681 | dev_kfree_skb(wlvif->probereq); |
| 2682 | wlvif->probereq = NULL; |
Eliad Peller | e4120df | 2011-10-10 10:13:17 +0200 | [diff] [blame] | 2683 | if (wl->last_wlvif == wlvif) |
| 2684 | wl->last_wlvif = NULL; |
Eliad Peller | 8762721 | 2011-10-10 10:12:54 +0200 | [diff] [blame] | 2685 | list_del(&wlvif->list); |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 2686 | memset(wlvif->ap.sta_hlid_map, 0, sizeof(wlvif->ap.sta_hlid_map)); |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 2687 | wlvif->role_id = WL12XX_INVALID_ROLE_ID; |
Eliad Peller | 7edebf5 | 2011-10-05 11:55:52 +0200 | [diff] [blame] | 2688 | wlvif->dev_role_id = WL12XX_INVALID_ROLE_ID; |
Luciano Coelho | d6e19d1 | 2009-10-12 15:08:43 +0300 | [diff] [blame] | 2689 | |
Arik Nemtsov | 2f18cf7 | 2012-06-10 19:10:45 +0300 | [diff] [blame] | 2690 | if (is_ap) |
Eliad Peller | a4e4130 | 2011-10-11 11:49:15 +0200 | [diff] [blame] | 2691 | wl->ap_count--; |
| 2692 | else |
| 2693 | wl->sta_count--; |
| 2694 | |
Arik Nemtsov | 42066f9 | 2012-07-10 10:45:01 +0300 | [diff] [blame] | 2695 | /* |
| 2696 | * Last AP, have more stations. Configure sleep auth according to STA. |
| 2697 | * Don't do thin on unintended recovery. |
| 2698 | */ |
| 2699 | if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags) && |
| 2700 | !test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)) |
| 2701 | goto unlock; |
| 2702 | |
Eliad Peller | 71e996b | 2013-09-09 12:24:34 +0300 | [diff] [blame] | 2703 | if (wl->ap_count == 0 && is_ap) { |
| 2704 | /* mask ap events */ |
| 2705 | wl->event_mask &= ~wl->ap_event_mask; |
| 2706 | wl1271_event_unmask(wl); |
| 2707 | } |
| 2708 | |
Arik Nemtsov | 2f18cf7 | 2012-06-10 19:10:45 +0300 | [diff] [blame] | 2709 | if (wl->ap_count == 0 && is_ap && wl->sta_count) { |
| 2710 | u8 sta_auth = wl->conf.conn.sta_sleep_auth; |
| 2711 | /* Configure for power according to debugfs */ |
| 2712 | if (sta_auth != WL1271_PSM_ILLEGAL) |
| 2713 | wl1271_acx_sleep_auth(wl, sta_auth); |
Arik Nemtsov | 2f18cf7 | 2012-06-10 19:10:45 +0300 | [diff] [blame] | 2714 | /* Configure for ELP power saving */ |
| 2715 | else |
| 2716 | wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP); |
| 2717 | } |
| 2718 | |
Arik Nemtsov | 42066f9 | 2012-07-10 10:45:01 +0300 | [diff] [blame] | 2719 | unlock: |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 2720 | mutex_unlock(&wl->mutex); |
Eyal Shapira | d6bf9ad | 2012-01-31 11:57:20 +0200 | [diff] [blame] | 2721 | |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 2722 | del_timer_sync(&wlvif->rx_streaming_timer); |
| 2723 | cancel_work_sync(&wlvif->rx_streaming_enable_work); |
| 2724 | cancel_work_sync(&wlvif->rx_streaming_disable_work); |
Eliad Peller | c50a282 | 2012-11-22 18:06:19 +0200 | [diff] [blame] | 2725 | cancel_delayed_work_sync(&wlvif->connection_loss_work); |
Arik Nemtsov | c838478 | 2013-05-12 12:35:29 +0300 | [diff] [blame] | 2726 | cancel_delayed_work_sync(&wlvif->channel_switch_work); |
Arik Nemtsov | 187e52c | 2013-09-17 18:41:20 +0300 | [diff] [blame] | 2727 | cancel_delayed_work_sync(&wlvif->pending_auth_complete_work); |
Eliad Peller | f4df1bd | 2011-08-14 13:17:15 +0300 | [diff] [blame] | 2728 | |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 2729 | mutex_lock(&wl->mutex); |
Juuso Oikarinen | 52a2a37 | 2010-09-21 06:23:30 +0200 | [diff] [blame] | 2730 | } |
Juuso Oikarinen | bd9dc49 | 2010-04-09 11:07:26 +0300 | [diff] [blame] | 2731 | |
Juuso Oikarinen | 52a2a37 | 2010-09-21 06:23:30 +0200 | [diff] [blame] | 2732 | static void wl1271_op_remove_interface(struct ieee80211_hw *hw, |
| 2733 | struct ieee80211_vif *vif) |
| 2734 | { |
| 2735 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 10c8cd0 | 2011-10-10 10:13:06 +0200 | [diff] [blame] | 2736 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 2737 | struct wl12xx_vif *iter; |
Eliad Peller | 4549d09 | 2012-02-06 13:07:52 +0200 | [diff] [blame] | 2738 | struct vif_counter_data vif_count; |
Juuso Oikarinen | 52a2a37 | 2010-09-21 06:23:30 +0200 | [diff] [blame] | 2739 | |
Eliad Peller | 4549d09 | 2012-02-06 13:07:52 +0200 | [diff] [blame] | 2740 | wl12xx_get_vif_count(hw, vif, &vif_count); |
Juuso Oikarinen | 52a2a37 | 2010-09-21 06:23:30 +0200 | [diff] [blame] | 2741 | mutex_lock(&wl->mutex); |
Eliad Peller | 10c8cd0 | 2011-10-10 10:13:06 +0200 | [diff] [blame] | 2742 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 2743 | if (wl->state == WLCORE_STATE_OFF || |
Eliad Peller | 10c8cd0 | 2011-10-10 10:13:06 +0200 | [diff] [blame] | 2744 | !test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) |
| 2745 | goto out; |
| 2746 | |
Juuso Oikarinen | 6735329 | 2010-11-18 15:19:02 +0200 | [diff] [blame] | 2747 | /* |
| 2748 | * wl->vif can be null here if someone shuts down the interface |
| 2749 | * just when hardware recovery has been started. |
| 2750 | */ |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 2751 | wl12xx_for_each_wlvif(wl, iter) { |
| 2752 | if (iter != wlvif) |
| 2753 | continue; |
| 2754 | |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2755 | __wl1271_op_remove_interface(wl, vif, true); |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 2756 | break; |
Juuso Oikarinen | 6735329 | 2010-11-18 15:19:02 +0200 | [diff] [blame] | 2757 | } |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 2758 | WARN_ON(iter != wlvif); |
Eliad Peller | 4549d09 | 2012-02-06 13:07:52 +0200 | [diff] [blame] | 2759 | if (wl12xx_need_fw_change(wl, vif_count, false)) { |
Eliad Peller | 3dee439 | 2012-02-06 12:47:56 +0200 | [diff] [blame] | 2760 | wl12xx_force_active_psm(wl); |
Eliad Peller | e9ba715 | 2012-03-04 10:55:54 +0200 | [diff] [blame] | 2761 | set_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags); |
Eliad Peller | 4549d09 | 2012-02-06 13:07:52 +0200 | [diff] [blame] | 2762 | wl12xx_queue_recovery_work(wl); |
Eliad Peller | 4549d09 | 2012-02-06 13:07:52 +0200 | [diff] [blame] | 2763 | } |
Eliad Peller | 10c8cd0 | 2011-10-10 10:13:06 +0200 | [diff] [blame] | 2764 | out: |
Juuso Oikarinen | 6735329 | 2010-11-18 15:19:02 +0200 | [diff] [blame] | 2765 | mutex_unlock(&wl->mutex); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2766 | } |
| 2767 | |
Eliad Peller | c0fad1b | 2011-12-19 12:00:03 +0200 | [diff] [blame] | 2768 | static int wl12xx_op_change_interface(struct ieee80211_hw *hw, |
| 2769 | struct ieee80211_vif *vif, |
| 2770 | enum nl80211_iftype new_type, bool p2p) |
| 2771 | { |
Eliad Peller | 4549d09 | 2012-02-06 13:07:52 +0200 | [diff] [blame] | 2772 | struct wl1271 *wl = hw->priv; |
| 2773 | int ret; |
| 2774 | |
| 2775 | set_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags); |
Eliad Peller | c0fad1b | 2011-12-19 12:00:03 +0200 | [diff] [blame] | 2776 | wl1271_op_remove_interface(hw, vif); |
| 2777 | |
Eliad Peller | 249e969 | 2012-03-04 10:55:50 +0200 | [diff] [blame] | 2778 | vif->type = new_type; |
Eliad Peller | c0fad1b | 2011-12-19 12:00:03 +0200 | [diff] [blame] | 2779 | vif->p2p = p2p; |
Eliad Peller | 4549d09 | 2012-02-06 13:07:52 +0200 | [diff] [blame] | 2780 | ret = wl1271_op_add_interface(hw, vif); |
| 2781 | |
| 2782 | clear_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags); |
| 2783 | return ret; |
Eliad Peller | c0fad1b | 2011-12-19 12:00:03 +0200 | [diff] [blame] | 2784 | } |
| 2785 | |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 2786 | static int wlcore_join(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2787 | { |
| 2788 | int ret; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2789 | bool is_ibss = (wlvif->bss_type == BSS_TYPE_IBSS); |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2790 | |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 2791 | /* |
| 2792 | * One of the side effects of the JOIN command is that is clears |
| 2793 | * WPA/WPA2 keys from the chipset. Performing a JOIN while associated |
| 2794 | * to a WPA/WPA2 access point will therefore kill the data-path. |
Ohad Ben-Cohen | 8bf69aa | 2011-03-30 19:18:31 +0200 | [diff] [blame] | 2795 | * Currently the only valid scenario for JOIN during association |
| 2796 | * is on roaming, in which case we will also be given new keys. |
| 2797 | * Keep the below message for now, unless it starts bothering |
| 2798 | * users who really like to roam a lot :) |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 2799 | */ |
Eliad Peller | ba8447f | 2011-10-10 10:13:00 +0200 | [diff] [blame] | 2800 | if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 2801 | wl1271_info("JOIN while associated."); |
| 2802 | |
Eliad Peller | 5ec8a44 | 2012-02-02 12:22:09 +0200 | [diff] [blame] | 2803 | /* clear encryption type */ |
| 2804 | wlvif->encryption_type = KEY_NONE; |
| 2805 | |
Eliad Peller | 227e81e | 2011-08-14 13:17:26 +0300 | [diff] [blame] | 2806 | if (is_ibss) |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 2807 | ret = wl12xx_cmd_role_start_ibss(wl, wlvif); |
Eliad Peller | 18eab43 | 2012-11-20 13:20:02 +0200 | [diff] [blame] | 2808 | else { |
| 2809 | if (wl->quirks & WLCORE_QUIRK_START_STA_FAILS) { |
| 2810 | /* |
| 2811 | * TODO: this is an ugly workaround for wl12xx fw |
| 2812 | * bug - we are not able to tx/rx after the first |
| 2813 | * start_sta, so make dummy start+stop calls, |
| 2814 | * and then call start_sta again. |
| 2815 | * this should be fixed in the fw. |
| 2816 | */ |
| 2817 | wl12xx_cmd_role_start_sta(wl, wlvif); |
| 2818 | wl12xx_cmd_role_stop_sta(wl, wlvif); |
| 2819 | } |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2820 | |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2821 | ret = wl12xx_cmd_role_start_sta(wl, wlvif); |
Eliad Peller | 18eab43 | 2012-11-20 13:20:02 +0200 | [diff] [blame] | 2822 | } |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2823 | |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 2824 | return ret; |
| 2825 | } |
| 2826 | |
| 2827 | static int wl1271_ssid_set(struct wl12xx_vif *wlvif, struct sk_buff *skb, |
| 2828 | int offset) |
| 2829 | { |
| 2830 | u8 ssid_len; |
| 2831 | const u8 *ptr = cfg80211_find_ie(WLAN_EID_SSID, skb->data + offset, |
| 2832 | skb->len - offset); |
| 2833 | |
| 2834 | if (!ptr) { |
| 2835 | wl1271_error("No SSID in IEs!"); |
| 2836 | return -ENOENT; |
| 2837 | } |
| 2838 | |
| 2839 | ssid_len = ptr[1]; |
| 2840 | if (ssid_len > IEEE80211_MAX_SSID_LEN) { |
| 2841 | wl1271_error("SSID is too long!"); |
| 2842 | return -EINVAL; |
| 2843 | } |
| 2844 | |
| 2845 | wlvif->ssid_len = ssid_len; |
| 2846 | memcpy(wlvif->ssid, ptr+2, ssid_len); |
| 2847 | return 0; |
| 2848 | } |
| 2849 | |
| 2850 | static int wlcore_set_ssid(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
| 2851 | { |
| 2852 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
| 2853 | struct sk_buff *skb; |
| 2854 | int ieoffset; |
| 2855 | |
| 2856 | /* we currently only support setting the ssid from the ap probe req */ |
| 2857 | if (wlvif->bss_type != BSS_TYPE_STA_BSS) |
| 2858 | return -EINVAL; |
| 2859 | |
| 2860 | skb = ieee80211_ap_probereq_get(wl->hw, vif); |
| 2861 | if (!skb) |
| 2862 | return -EINVAL; |
| 2863 | |
| 2864 | ieoffset = offsetof(struct ieee80211_mgmt, |
| 2865 | u.probe_req.variable); |
| 2866 | wl1271_ssid_set(wlvif, skb, ieoffset); |
| 2867 | dev_kfree_skb(skb); |
| 2868 | |
| 2869 | return 0; |
| 2870 | } |
| 2871 | |
| 2872 | static int wlcore_set_assoc(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
Eliad Peller | ec87011 | 2012-11-20 13:20:09 +0200 | [diff] [blame] | 2873 | struct ieee80211_bss_conf *bss_conf, |
| 2874 | u32 sta_rate_set) |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 2875 | { |
| 2876 | int ieoffset; |
| 2877 | int ret; |
| 2878 | |
| 2879 | wlvif->aid = bss_conf->aid; |
Luciano Coelho | aaabee8 | 2012-12-04 16:39:47 +0200 | [diff] [blame] | 2880 | wlvif->channel_type = cfg80211_get_chandef_type(&bss_conf->chandef); |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 2881 | wlvif->beacon_int = bss_conf->beacon_int; |
Eliad Peller | d50529c | 2012-11-22 18:06:20 +0200 | [diff] [blame] | 2882 | wlvif->wmm_enabled = bss_conf->qos; |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 2883 | |
| 2884 | set_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags); |
| 2885 | |
| 2886 | /* |
| 2887 | * with wl1271, we don't need to update the |
| 2888 | * beacon_int and dtim_period, because the firmware |
| 2889 | * updates it by itself when the first beacon is |
| 2890 | * received after a join. |
| 2891 | */ |
| 2892 | ret = wl1271_cmd_build_ps_poll(wl, wlvif, wlvif->aid); |
| 2893 | if (ret < 0) |
| 2894 | return ret; |
| 2895 | |
| 2896 | /* |
| 2897 | * Get a template for hardware connection maintenance |
| 2898 | */ |
| 2899 | dev_kfree_skb(wlvif->probereq); |
| 2900 | wlvif->probereq = wl1271_cmd_build_ap_probe_req(wl, |
| 2901 | wlvif, |
| 2902 | NULL); |
| 2903 | ieoffset = offsetof(struct ieee80211_mgmt, |
| 2904 | u.probe_req.variable); |
| 2905 | wl1271_ssid_set(wlvif, wlvif->probereq, ieoffset); |
| 2906 | |
| 2907 | /* enable the connection monitoring feature */ |
| 2908 | ret = wl1271_acx_conn_monit_params(wl, wlvif, true); |
| 2909 | if (ret < 0) |
| 2910 | return ret; |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2911 | |
| 2912 | /* |
| 2913 | * The join command disable the keep-alive mode, shut down its process, |
| 2914 | * and also clear the template config, so we need to reset it all after |
| 2915 | * the join. The acx_aid starts the keep-alive process, and the order |
| 2916 | * of the commands below is relevant. |
| 2917 | */ |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 2918 | ret = wl1271_acx_keep_alive_mode(wl, wlvif, true); |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2919 | if (ret < 0) |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 2920 | return ret; |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2921 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 2922 | ret = wl1271_acx_aid(wl, wlvif, wlvif->aid); |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2923 | if (ret < 0) |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 2924 | return ret; |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2925 | |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 2926 | ret = wl12xx_cmd_build_klv_null_data(wl, wlvif); |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2927 | if (ret < 0) |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 2928 | return ret; |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2929 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 2930 | ret = wl1271_acx_keep_alive_config(wl, wlvif, |
Eliad Peller | 001e39a | 2012-08-16 13:52:47 +0300 | [diff] [blame] | 2931 | wlvif->sta.klv_template_id, |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2932 | ACX_KEEP_ALIVE_TPL_VALID); |
| 2933 | if (ret < 0) |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 2934 | return ret; |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2935 | |
Eliad Peller | 6c7b519 | 2012-11-20 13:20:07 +0200 | [diff] [blame] | 2936 | /* |
| 2937 | * The default fw psm configuration is AUTO, while mac80211 default |
| 2938 | * setting is off (ACTIVE), so sync the fw with the correct value. |
| 2939 | */ |
| 2940 | ret = wl1271_ps_set_mode(wl, wlvif, STATION_ACTIVE_MODE); |
Eliad Peller | ec87011 | 2012-11-20 13:20:09 +0200 | [diff] [blame] | 2941 | if (ret < 0) |
| 2942 | return ret; |
| 2943 | |
| 2944 | if (sta_rate_set) { |
| 2945 | wlvif->rate_set = |
| 2946 | wl1271_tx_enabled_rates_get(wl, |
| 2947 | sta_rate_set, |
| 2948 | wlvif->band); |
| 2949 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); |
| 2950 | if (ret < 0) |
| 2951 | return ret; |
| 2952 | } |
Eliad Peller | 6c7b519 | 2012-11-20 13:20:07 +0200 | [diff] [blame] | 2953 | |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2954 | return ret; |
| 2955 | } |
| 2956 | |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 2957 | static int wlcore_unset_assoc(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 2958 | { |
| 2959 | int ret; |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 2960 | bool sta = wlvif->bss_type == BSS_TYPE_STA_BSS; |
| 2961 | |
| 2962 | /* make sure we are connected (sta) joined */ |
| 2963 | if (sta && |
| 2964 | !test_and_clear_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
| 2965 | return false; |
| 2966 | |
| 2967 | /* make sure we are joined (ibss) */ |
| 2968 | if (!sta && |
| 2969 | test_and_clear_bit(WLVIF_FLAG_IBSS_JOINED, &wlvif->flags)) |
| 2970 | return false; |
| 2971 | |
| 2972 | if (sta) { |
| 2973 | /* use defaults when not associated */ |
| 2974 | wlvif->aid = 0; |
| 2975 | |
| 2976 | /* free probe-request template */ |
| 2977 | dev_kfree_skb(wlvif->probereq); |
| 2978 | wlvif->probereq = NULL; |
| 2979 | |
| 2980 | /* disable connection monitor features */ |
| 2981 | ret = wl1271_acx_conn_monit_params(wl, wlvif, false); |
| 2982 | if (ret < 0) |
| 2983 | return ret; |
| 2984 | |
| 2985 | /* Disable the keep-alive feature */ |
| 2986 | ret = wl1271_acx_keep_alive_mode(wl, wlvif, false); |
| 2987 | if (ret < 0) |
| 2988 | return ret; |
Eliad Peller | d881fa2 | 2014-02-10 13:47:33 +0200 | [diff] [blame] | 2989 | |
| 2990 | /* disable beacon filtering */ |
| 2991 | ret = wl1271_acx_beacon_filter_opt(wl, wlvif, false); |
| 2992 | if (ret < 0) |
| 2993 | return ret; |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 2994 | } |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 2995 | |
Eliad Peller | 52630c5 | 2011-10-10 10:13:08 +0200 | [diff] [blame] | 2996 | if (test_and_clear_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags)) { |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 2997 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
| 2998 | |
Eliad Peller | fcab189 | 2012-11-22 18:06:18 +0200 | [diff] [blame] | 2999 | wl12xx_cmd_stop_channel_switch(wl, wlvif); |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 3000 | ieee80211_chswitch_done(vif, false); |
Eliad Peller | c50a282 | 2012-11-22 18:06:19 +0200 | [diff] [blame] | 3001 | cancel_delayed_work(&wlvif->channel_switch_work); |
Shahar Levi | 6d158ff | 2011-09-08 13:01:33 +0300 | [diff] [blame] | 3002 | } |
| 3003 | |
Eliad Peller | 4137c17 | 2012-08-16 13:32:32 +0300 | [diff] [blame] | 3004 | /* invalidate keep-alive template */ |
| 3005 | wl1271_acx_keep_alive_config(wl, wlvif, |
Eliad Peller | 001e39a | 2012-08-16 13:52:47 +0300 | [diff] [blame] | 3006 | wlvif->sta.klv_template_id, |
Eliad Peller | 4137c17 | 2012-08-16 13:32:32 +0300 | [diff] [blame] | 3007 | ACX_KEEP_ALIVE_TPL_INVALID); |
| 3008 | |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 3009 | return 0; |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 3010 | } |
| 3011 | |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 3012 | static void wl1271_set_band_rate(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3013 | { |
Eliad Peller | 1b92f15 | 2011-10-10 10:13:09 +0200 | [diff] [blame] | 3014 | wlvif->basic_rate_set = wlvif->bitrate_masks[wlvif->band]; |
Eliad Peller | 30d0c8f | 2011-10-05 11:55:42 +0200 | [diff] [blame] | 3015 | wlvif->rate_set = wlvif->basic_rate_set; |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3016 | } |
| 3017 | |
Arik Nemtsov | b0ed8a4 | 2013-09-17 18:41:23 +0300 | [diff] [blame] | 3018 | static void wl1271_sta_handle_idle(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
| 3019 | bool idle) |
| 3020 | { |
| 3021 | bool cur_idle = !test_bit(WLVIF_FLAG_ACTIVE, &wlvif->flags); |
| 3022 | |
| 3023 | if (idle == cur_idle) |
| 3024 | return; |
| 3025 | |
| 3026 | if (idle) { |
| 3027 | clear_bit(WLVIF_FLAG_ACTIVE, &wlvif->flags); |
| 3028 | } else { |
| 3029 | /* The current firmware only supports sched_scan in idle */ |
| 3030 | if (wl->sched_vif == wlvif) |
| 3031 | wl->ops->sched_scan_stop(wl, wlvif); |
| 3032 | |
| 3033 | set_bit(WLVIF_FLAG_ACTIVE, &wlvif->flags); |
| 3034 | } |
| 3035 | } |
| 3036 | |
Eliad Peller | 9f259c4 | 2011-10-10 10:13:12 +0200 | [diff] [blame] | 3037 | static int wl12xx_config_vif(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
| 3038 | struct ieee80211_conf *conf, u32 changed) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3039 | { |
Eliad Peller | b6970ee | 2012-11-20 13:20:05 +0200 | [diff] [blame] | 3040 | int ret; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3041 | |
Eliad Peller | 6bd6502 | 2011-10-10 10:13:11 +0200 | [diff] [blame] | 3042 | if (conf->power_level != wlvif->power_level) { |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3043 | ret = wl1271_acx_tx_power(wl, wlvif, conf->power_level); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3044 | if (ret < 0) |
Eliad Peller | 9f259c4 | 2011-10-10 10:13:12 +0200 | [diff] [blame] | 3045 | return ret; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3046 | |
Eliad Peller | 6bd6502 | 2011-10-10 10:13:11 +0200 | [diff] [blame] | 3047 | wlvif->power_level = conf->power_level; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3048 | } |
| 3049 | |
Eliad Peller | 9f259c4 | 2011-10-10 10:13:12 +0200 | [diff] [blame] | 3050 | return 0; |
| 3051 | } |
| 3052 | |
| 3053 | static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) |
| 3054 | { |
| 3055 | struct wl1271 *wl = hw->priv; |
| 3056 | struct wl12xx_vif *wlvif; |
| 3057 | struct ieee80211_conf *conf = &hw->conf; |
Eliad Peller | b6970ee | 2012-11-20 13:20:05 +0200 | [diff] [blame] | 3058 | int ret = 0; |
Eliad Peller | 9f259c4 | 2011-10-10 10:13:12 +0200 | [diff] [blame] | 3059 | |
Eliad Peller | b6970ee | 2012-11-20 13:20:05 +0200 | [diff] [blame] | 3060 | wl1271_debug(DEBUG_MAC80211, "mac80211 config psm %s power %d %s" |
Eliad Peller | 9f259c4 | 2011-10-10 10:13:12 +0200 | [diff] [blame] | 3061 | " changed 0x%x", |
Eliad Peller | 9f259c4 | 2011-10-10 10:13:12 +0200 | [diff] [blame] | 3062 | conf->flags & IEEE80211_CONF_PS ? "on" : "off", |
| 3063 | conf->power_level, |
| 3064 | conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use", |
| 3065 | changed); |
| 3066 | |
Eliad Peller | 9f259c4 | 2011-10-10 10:13:12 +0200 | [diff] [blame] | 3067 | mutex_lock(&wl->mutex); |
| 3068 | |
Eliad Peller | 9f259c4 | 2011-10-10 10:13:12 +0200 | [diff] [blame] | 3069 | if (changed & IEEE80211_CONF_CHANGE_POWER) |
| 3070 | wl->power_level = conf->power_level; |
| 3071 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 3072 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
Eliad Peller | 9f259c4 | 2011-10-10 10:13:12 +0200 | [diff] [blame] | 3073 | goto out; |
| 3074 | |
| 3075 | ret = wl1271_ps_elp_wakeup(wl); |
| 3076 | if (ret < 0) |
| 3077 | goto out; |
| 3078 | |
| 3079 | /* configure each interface */ |
| 3080 | wl12xx_for_each_wlvif(wl, wlvif) { |
| 3081 | ret = wl12xx_config_vif(wl, wlvif, conf, changed); |
| 3082 | if (ret < 0) |
| 3083 | goto out_sleep; |
| 3084 | } |
| 3085 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3086 | out_sleep: |
| 3087 | wl1271_ps_elp_sleep(wl); |
| 3088 | |
| 3089 | out: |
| 3090 | mutex_unlock(&wl->mutex); |
| 3091 | |
| 3092 | return ret; |
| 3093 | } |
| 3094 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 3095 | struct wl1271_filter_params { |
| 3096 | bool enabled; |
| 3097 | int mc_list_length; |
| 3098 | u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN]; |
| 3099 | }; |
| 3100 | |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 3101 | static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, |
| 3102 | struct netdev_hw_addr_list *mc_list) |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 3103 | { |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 3104 | struct wl1271_filter_params *fp; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 3105 | struct netdev_hw_addr *ha; |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 3106 | |
Juuso Oikarinen | 7444113 | 2009-10-13 12:47:53 +0300 | [diff] [blame] | 3107 | fp = kzalloc(sizeof(*fp), GFP_ATOMIC); |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 3108 | if (!fp) { |
| 3109 | wl1271_error("Out of memory setting filters."); |
| 3110 | return 0; |
| 3111 | } |
| 3112 | |
| 3113 | /* update multicast filtering parameters */ |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 3114 | fp->mc_list_length = 0; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 3115 | if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) { |
| 3116 | fp->enabled = false; |
| 3117 | } else { |
| 3118 | fp->enabled = true; |
| 3119 | netdev_hw_addr_list_for_each(ha, mc_list) { |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 3120 | memcpy(fp->mc_list[fp->mc_list_length], |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 3121 | ha->addr, ETH_ALEN); |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 3122 | fp->mc_list_length++; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 3123 | } |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 3124 | } |
| 3125 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 3126 | return (u64)(unsigned long)fp; |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 3127 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3128 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 3129 | #define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ |
| 3130 | FIF_ALLMULTI | \ |
| 3131 | FIF_FCSFAIL | \ |
| 3132 | FIF_BCN_PRBRESP_PROMISC | \ |
| 3133 | FIF_CONTROL | \ |
| 3134 | FIF_OTHER_BSS) |
| 3135 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3136 | static void wl1271_op_configure_filter(struct ieee80211_hw *hw, |
| 3137 | unsigned int changed, |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 3138 | unsigned int *total, u64 multicast) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3139 | { |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 3140 | struct wl1271_filter_params *fp = (void *)(unsigned long)multicast; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3141 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 3142 | struct wl12xx_vif *wlvif; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 3143 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 3144 | int ret; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3145 | |
Arik Nemtsov | 7d05786 | 2010-10-16 19:25:35 +0200 | [diff] [blame] | 3146 | wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter changed %x" |
| 3147 | " total %x", changed, *total); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3148 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 3149 | mutex_lock(&wl->mutex); |
| 3150 | |
Saravanan Dhanabal | 2c10bb9 | 2010-04-09 11:07:27 +0300 | [diff] [blame] | 3151 | *total &= WL1271_SUPPORTED_FILTERS; |
| 3152 | changed &= WL1271_SUPPORTED_FILTERS; |
| 3153 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 3154 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 3155 | goto out; |
| 3156 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3157 | ret = wl1271_ps_elp_wakeup(wl); |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 3158 | if (ret < 0) |
| 3159 | goto out; |
| 3160 | |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 3161 | wl12xx_for_each_wlvif(wl, wlvif) { |
| 3162 | if (wlvif->bss_type != BSS_TYPE_AP_BSS) { |
| 3163 | if (*total & FIF_ALLMULTI) |
| 3164 | ret = wl1271_acx_group_address_tbl(wl, wlvif, |
| 3165 | false, |
| 3166 | NULL, 0); |
| 3167 | else if (fp) |
| 3168 | ret = wl1271_acx_group_address_tbl(wl, wlvif, |
| 3169 | fp->enabled, |
| 3170 | fp->mc_list, |
| 3171 | fp->mc_list_length); |
| 3172 | if (ret < 0) |
| 3173 | goto out_sleep; |
| 3174 | } |
Arik Nemtsov | 7d05786 | 2010-10-16 19:25:35 +0200 | [diff] [blame] | 3175 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3176 | |
Eliad Peller | 08c1d1c | 2011-08-14 13:17:04 +0300 | [diff] [blame] | 3177 | /* |
| 3178 | * the fw doesn't provide an api to configure the filters. instead, |
| 3179 | * the filters configuration is based on the active roles / ROC |
| 3180 | * state. |
| 3181 | */ |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 3182 | |
| 3183 | out_sleep: |
| 3184 | wl1271_ps_elp_sleep(wl); |
| 3185 | |
| 3186 | out: |
| 3187 | mutex_unlock(&wl->mutex); |
Juuso Oikarinen | 14b228a | 2010-03-18 12:26:43 +0200 | [diff] [blame] | 3188 | kfree(fp); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3189 | } |
| 3190 | |
Eliad Peller | 170d0e6 | 2011-10-05 11:56:06 +0200 | [diff] [blame] | 3191 | static int wl1271_record_ap_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
| 3192 | u8 id, u8 key_type, u8 key_size, |
| 3193 | const u8 *key, u8 hlid, u32 tx_seq_32, |
| 3194 | u16 tx_seq_16) |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3195 | { |
| 3196 | struct wl1271_ap_key *ap_key; |
| 3197 | int i; |
| 3198 | |
| 3199 | wl1271_debug(DEBUG_CRYPT, "record ap key id %d", (int)id); |
| 3200 | |
| 3201 | if (key_size > MAX_KEY_SIZE) |
| 3202 | return -EINVAL; |
| 3203 | |
| 3204 | /* |
| 3205 | * Find next free entry in ap_keys. Also check we are not replacing |
| 3206 | * an existing key. |
| 3207 | */ |
| 3208 | for (i = 0; i < MAX_NUM_KEYS; i++) { |
Eliad Peller | 170d0e6 | 2011-10-05 11:56:06 +0200 | [diff] [blame] | 3209 | if (wlvif->ap.recorded_keys[i] == NULL) |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3210 | break; |
| 3211 | |
Eliad Peller | 170d0e6 | 2011-10-05 11:56:06 +0200 | [diff] [blame] | 3212 | if (wlvif->ap.recorded_keys[i]->id == id) { |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3213 | wl1271_warning("trying to record key replacement"); |
| 3214 | return -EINVAL; |
| 3215 | } |
| 3216 | } |
| 3217 | |
| 3218 | if (i == MAX_NUM_KEYS) |
| 3219 | return -EBUSY; |
| 3220 | |
| 3221 | ap_key = kzalloc(sizeof(*ap_key), GFP_KERNEL); |
| 3222 | if (!ap_key) |
| 3223 | return -ENOMEM; |
| 3224 | |
| 3225 | ap_key->id = id; |
| 3226 | ap_key->key_type = key_type; |
| 3227 | ap_key->key_size = key_size; |
| 3228 | memcpy(ap_key->key, key, key_size); |
| 3229 | ap_key->hlid = hlid; |
| 3230 | ap_key->tx_seq_32 = tx_seq_32; |
| 3231 | ap_key->tx_seq_16 = tx_seq_16; |
| 3232 | |
Eliad Peller | 170d0e6 | 2011-10-05 11:56:06 +0200 | [diff] [blame] | 3233 | wlvif->ap.recorded_keys[i] = ap_key; |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3234 | return 0; |
| 3235 | } |
| 3236 | |
Eliad Peller | 170d0e6 | 2011-10-05 11:56:06 +0200 | [diff] [blame] | 3237 | static void wl1271_free_ap_keys(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3238 | { |
| 3239 | int i; |
| 3240 | |
| 3241 | for (i = 0; i < MAX_NUM_KEYS; i++) { |
Eliad Peller | 170d0e6 | 2011-10-05 11:56:06 +0200 | [diff] [blame] | 3242 | kfree(wlvif->ap.recorded_keys[i]); |
| 3243 | wlvif->ap.recorded_keys[i] = NULL; |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3244 | } |
| 3245 | } |
| 3246 | |
Eliad Peller | a8ab39a | 2011-10-05 11:55:54 +0200 | [diff] [blame] | 3247 | static int wl1271_ap_init_hwenc(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3248 | { |
| 3249 | int i, ret = 0; |
| 3250 | struct wl1271_ap_key *key; |
| 3251 | bool wep_key_added = false; |
| 3252 | |
| 3253 | for (i = 0; i < MAX_NUM_KEYS; i++) { |
Eliad Peller | 7f97b48 | 2011-08-14 13:17:30 +0300 | [diff] [blame] | 3254 | u8 hlid; |
Eliad Peller | 170d0e6 | 2011-10-05 11:56:06 +0200 | [diff] [blame] | 3255 | if (wlvif->ap.recorded_keys[i] == NULL) |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3256 | break; |
| 3257 | |
Eliad Peller | 170d0e6 | 2011-10-05 11:56:06 +0200 | [diff] [blame] | 3258 | key = wlvif->ap.recorded_keys[i]; |
Eliad Peller | 7f97b48 | 2011-08-14 13:17:30 +0300 | [diff] [blame] | 3259 | hlid = key->hlid; |
| 3260 | if (hlid == WL12XX_INVALID_LINK_ID) |
Eliad Peller | a8ab39a | 2011-10-05 11:55:54 +0200 | [diff] [blame] | 3261 | hlid = wlvif->ap.bcast_hlid; |
Eliad Peller | 7f97b48 | 2011-08-14 13:17:30 +0300 | [diff] [blame] | 3262 | |
Eliad Peller | a8ab39a | 2011-10-05 11:55:54 +0200 | [diff] [blame] | 3263 | ret = wl1271_cmd_set_ap_key(wl, wlvif, KEY_ADD_OR_REPLACE, |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3264 | key->id, key->key_type, |
| 3265 | key->key_size, key->key, |
Eliad Peller | 7f97b48 | 2011-08-14 13:17:30 +0300 | [diff] [blame] | 3266 | hlid, key->tx_seq_32, |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3267 | key->tx_seq_16); |
| 3268 | if (ret < 0) |
| 3269 | goto out; |
| 3270 | |
| 3271 | if (key->key_type == KEY_WEP) |
| 3272 | wep_key_added = true; |
| 3273 | } |
| 3274 | |
| 3275 | if (wep_key_added) { |
Eliad Peller | f75c753f | 2011-10-05 11:55:59 +0200 | [diff] [blame] | 3276 | ret = wl12xx_cmd_set_default_wep_key(wl, wlvif->default_key, |
Eliad Peller | a8ab39a | 2011-10-05 11:55:54 +0200 | [diff] [blame] | 3277 | wlvif->ap.bcast_hlid); |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3278 | if (ret < 0) |
| 3279 | goto out; |
| 3280 | } |
| 3281 | |
| 3282 | out: |
Eliad Peller | 170d0e6 | 2011-10-05 11:56:06 +0200 | [diff] [blame] | 3283 | wl1271_free_ap_keys(wl, wlvif); |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3284 | return ret; |
| 3285 | } |
| 3286 | |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 3287 | static int wl1271_set_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
| 3288 | u16 action, u8 id, u8 key_type, |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3289 | u8 key_size, const u8 *key, u32 tx_seq_32, |
| 3290 | u16 tx_seq_16, struct ieee80211_sta *sta) |
| 3291 | { |
| 3292 | int ret; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 3293 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3294 | |
| 3295 | if (is_ap) { |
| 3296 | struct wl1271_station *wl_sta; |
| 3297 | u8 hlid; |
| 3298 | |
| 3299 | if (sta) { |
| 3300 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
| 3301 | hlid = wl_sta->hlid; |
| 3302 | } else { |
Eliad Peller | a8ab39a | 2011-10-05 11:55:54 +0200 | [diff] [blame] | 3303 | hlid = wlvif->ap.bcast_hlid; |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3304 | } |
| 3305 | |
Eliad Peller | 53d40d0 | 2011-10-10 10:13:02 +0200 | [diff] [blame] | 3306 | if (!test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) { |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3307 | /* |
| 3308 | * We do not support removing keys after AP shutdown. |
| 3309 | * Pretend we do to make mac80211 happy. |
| 3310 | */ |
| 3311 | if (action != KEY_ADD_OR_REPLACE) |
| 3312 | return 0; |
| 3313 | |
Eliad Peller | 170d0e6 | 2011-10-05 11:56:06 +0200 | [diff] [blame] | 3314 | ret = wl1271_record_ap_key(wl, wlvif, id, |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3315 | key_type, key_size, |
| 3316 | key, hlid, tx_seq_32, |
| 3317 | tx_seq_16); |
| 3318 | } else { |
Eliad Peller | a8ab39a | 2011-10-05 11:55:54 +0200 | [diff] [blame] | 3319 | ret = wl1271_cmd_set_ap_key(wl, wlvif, action, |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3320 | id, key_type, key_size, |
| 3321 | key, hlid, tx_seq_32, |
| 3322 | tx_seq_16); |
| 3323 | } |
| 3324 | |
| 3325 | if (ret < 0) |
| 3326 | return ret; |
| 3327 | } else { |
| 3328 | const u8 *addr; |
| 3329 | static const u8 bcast_addr[ETH_ALEN] = { |
| 3330 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
| 3331 | }; |
| 3332 | |
| 3333 | addr = sta ? sta->addr : bcast_addr; |
| 3334 | |
| 3335 | if (is_zero_ether_addr(addr)) { |
| 3336 | /* We dont support TX only encryption */ |
| 3337 | return -EOPNOTSUPP; |
| 3338 | } |
| 3339 | |
| 3340 | /* The wl1271 does not allow to remove unicast keys - they |
| 3341 | will be cleared automatically on next CMD_JOIN. Ignore the |
| 3342 | request silently, as we dont want the mac80211 to emit |
| 3343 | an error message. */ |
| 3344 | if (action == KEY_REMOVE && !is_broadcast_ether_addr(addr)) |
| 3345 | return 0; |
| 3346 | |
Eliad Peller | 010d3d3 | 2011-08-14 13:17:31 +0300 | [diff] [blame] | 3347 | /* don't remove key if hlid was already deleted */ |
| 3348 | if (action == KEY_REMOVE && |
Eliad Peller | 154da67 | 2011-10-05 11:55:53 +0200 | [diff] [blame] | 3349 | wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) |
Eliad Peller | 010d3d3 | 2011-08-14 13:17:31 +0300 | [diff] [blame] | 3350 | return 0; |
| 3351 | |
Eliad Peller | a8ab39a | 2011-10-05 11:55:54 +0200 | [diff] [blame] | 3352 | ret = wl1271_cmd_set_sta_key(wl, wlvif, action, |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3353 | id, key_type, key_size, |
| 3354 | key, addr, tx_seq_32, |
| 3355 | tx_seq_16); |
| 3356 | if (ret < 0) |
| 3357 | return ret; |
| 3358 | |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3359 | } |
| 3360 | |
| 3361 | return 0; |
| 3362 | } |
| 3363 | |
Arik Nemtsov | a1c597f | 2012-05-18 07:46:40 +0300 | [diff] [blame] | 3364 | static int wlcore_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3365 | struct ieee80211_vif *vif, |
| 3366 | struct ieee80211_sta *sta, |
| 3367 | struct ieee80211_key_conf *key_conf) |
| 3368 | { |
| 3369 | struct wl1271 *wl = hw->priv; |
Eliad Peller | af390f4 | 2012-09-03 18:27:58 +0300 | [diff] [blame] | 3370 | int ret; |
| 3371 | bool might_change_spare = |
| 3372 | key_conf->cipher == WL1271_CIPHER_SUITE_GEM || |
| 3373 | key_conf->cipher == WLAN_CIPHER_SUITE_TKIP; |
Arik Nemtsov | a1c597f | 2012-05-18 07:46:40 +0300 | [diff] [blame] | 3374 | |
Eliad Peller | af390f4 | 2012-09-03 18:27:58 +0300 | [diff] [blame] | 3375 | if (might_change_spare) { |
| 3376 | /* |
| 3377 | * stop the queues and flush to ensure the next packets are |
| 3378 | * in sync with FW spare block accounting |
| 3379 | */ |
Eliad Peller | af390f4 | 2012-09-03 18:27:58 +0300 | [diff] [blame] | 3380 | wlcore_stop_queues(wl, WLCORE_QUEUE_STOP_REASON_SPARE_BLK); |
Eliad Peller | af390f4 | 2012-09-03 18:27:58 +0300 | [diff] [blame] | 3381 | wl1271_tx_flush(wl); |
| 3382 | } |
| 3383 | |
| 3384 | mutex_lock(&wl->mutex); |
| 3385 | |
| 3386 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
| 3387 | ret = -EAGAIN; |
| 3388 | goto out_wake_queues; |
| 3389 | } |
| 3390 | |
| 3391 | ret = wl1271_ps_elp_wakeup(wl); |
| 3392 | if (ret < 0) |
| 3393 | goto out_wake_queues; |
| 3394 | |
| 3395 | ret = wlcore_hw_set_key(wl, cmd, vif, sta, key_conf); |
| 3396 | |
| 3397 | wl1271_ps_elp_sleep(wl); |
| 3398 | |
| 3399 | out_wake_queues: |
| 3400 | if (might_change_spare) |
| 3401 | wlcore_wake_queues(wl, WLCORE_QUEUE_STOP_REASON_SPARE_BLK); |
| 3402 | |
| 3403 | mutex_unlock(&wl->mutex); |
| 3404 | |
| 3405 | return ret; |
Arik Nemtsov | a1c597f | 2012-05-18 07:46:40 +0300 | [diff] [blame] | 3406 | } |
| 3407 | |
| 3408 | int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd, |
| 3409 | struct ieee80211_vif *vif, |
| 3410 | struct ieee80211_sta *sta, |
| 3411 | struct ieee80211_key_conf *key_conf) |
| 3412 | { |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 3413 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3414 | int ret; |
Juuso Oikarinen | ac4e4ce | 2009-10-08 21:56:19 +0300 | [diff] [blame] | 3415 | u32 tx_seq_32 = 0; |
| 3416 | u16 tx_seq_16 = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3417 | u8 key_type; |
Arik Nemtsov | 93d5d10 | 2013-03-12 17:19:38 +0200 | [diff] [blame] | 3418 | u8 hlid; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3419 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3420 | wl1271_debug(DEBUG_MAC80211, "mac80211 set key"); |
| 3421 | |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3422 | wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x sta: %p", cmd, sta); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3423 | wl1271_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] | 3424 | key_conf->cipher, key_conf->keyidx, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3425 | key_conf->keylen, key_conf->flags); |
| 3426 | wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen); |
| 3427 | |
Arik Nemtsov | 93d5d10 | 2013-03-12 17:19:38 +0200 | [diff] [blame] | 3428 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) |
| 3429 | if (sta) { |
| 3430 | struct wl1271_station *wl_sta = (void *)sta->drv_priv; |
| 3431 | hlid = wl_sta->hlid; |
| 3432 | } else { |
| 3433 | hlid = wlvif->ap.bcast_hlid; |
| 3434 | } |
| 3435 | else |
| 3436 | hlid = wlvif->sta.hlid; |
| 3437 | |
| 3438 | if (hlid != WL12XX_INVALID_LINK_ID) { |
| 3439 | u64 tx_seq = wl->links[hlid].total_freed_pkts; |
| 3440 | tx_seq_32 = WL1271_TX_SECURITY_HI32(tx_seq); |
| 3441 | tx_seq_16 = WL1271_TX_SECURITY_LO16(tx_seq); |
| 3442 | } |
| 3443 | |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 3444 | switch (key_conf->cipher) { |
| 3445 | case WLAN_CIPHER_SUITE_WEP40: |
| 3446 | case WLAN_CIPHER_SUITE_WEP104: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3447 | key_type = KEY_WEP; |
| 3448 | |
| 3449 | key_conf->hw_key_idx = key_conf->keyidx; |
| 3450 | break; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 3451 | case WLAN_CIPHER_SUITE_TKIP: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3452 | key_type = KEY_TKIP; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3453 | key_conf->hw_key_idx = key_conf->keyidx; |
| 3454 | break; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 3455 | case WLAN_CIPHER_SUITE_CCMP: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3456 | key_type = KEY_AES; |
Arik Nemtsov | 12d4b97 | 2011-10-23 08:21:54 +0200 | [diff] [blame] | 3457 | key_conf->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3458 | break; |
Juuso Oikarinen | 7a55724 | 2010-09-27 12:42:07 +0200 | [diff] [blame] | 3459 | case WL1271_CIPHER_SUITE_GEM: |
| 3460 | key_type = KEY_GEM; |
Juuso Oikarinen | 7a55724 | 2010-09-27 12:42:07 +0200 | [diff] [blame] | 3461 | break; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3462 | default: |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 3463 | wl1271_error("Unknown key algo 0x%x", key_conf->cipher); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3464 | |
Eliad Peller | af390f4 | 2012-09-03 18:27:58 +0300 | [diff] [blame] | 3465 | return -EOPNOTSUPP; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3466 | } |
| 3467 | |
| 3468 | switch (cmd) { |
| 3469 | case SET_KEY: |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 3470 | ret = wl1271_set_key(wl, wlvif, KEY_ADD_OR_REPLACE, |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3471 | key_conf->keyidx, key_type, |
| 3472 | key_conf->keylen, key_conf->key, |
| 3473 | tx_seq_32, tx_seq_16, sta); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3474 | if (ret < 0) { |
| 3475 | wl1271_error("Could not add or replace key"); |
Eliad Peller | af390f4 | 2012-09-03 18:27:58 +0300 | [diff] [blame] | 3476 | return ret; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3477 | } |
Eliad Peller | 5ec8a44 | 2012-02-02 12:22:09 +0200 | [diff] [blame] | 3478 | |
| 3479 | /* |
| 3480 | * reconfiguring arp response if the unicast (or common) |
| 3481 | * encryption key type was changed |
| 3482 | */ |
| 3483 | if (wlvif->bss_type == BSS_TYPE_STA_BSS && |
| 3484 | (sta || key_type == KEY_WEP) && |
| 3485 | wlvif->encryption_type != key_type) { |
| 3486 | wlvif->encryption_type = key_type; |
| 3487 | ret = wl1271_cmd_build_arp_rsp(wl, wlvif); |
| 3488 | if (ret < 0) { |
| 3489 | wl1271_warning("build arp rsp failed: %d", ret); |
Eliad Peller | af390f4 | 2012-09-03 18:27:58 +0300 | [diff] [blame] | 3490 | return ret; |
Eliad Peller | 5ec8a44 | 2012-02-02 12:22:09 +0200 | [diff] [blame] | 3491 | } |
| 3492 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3493 | break; |
| 3494 | |
| 3495 | case DISABLE_KEY: |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 3496 | ret = wl1271_set_key(wl, wlvif, KEY_REMOVE, |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3497 | key_conf->keyidx, key_type, |
| 3498 | key_conf->keylen, key_conf->key, |
| 3499 | 0, 0, sta); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3500 | if (ret < 0) { |
| 3501 | wl1271_error("Could not remove key"); |
Eliad Peller | af390f4 | 2012-09-03 18:27:58 +0300 | [diff] [blame] | 3502 | return ret; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3503 | } |
| 3504 | break; |
| 3505 | |
| 3506 | default: |
| 3507 | wl1271_error("Unsupported key cmd 0x%x", cmd); |
Eliad Peller | af390f4 | 2012-09-03 18:27:58 +0300 | [diff] [blame] | 3508 | return -EOPNOTSUPP; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3509 | } |
| 3510 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3511 | return ret; |
| 3512 | } |
Arik Nemtsov | a1c597f | 2012-05-18 07:46:40 +0300 | [diff] [blame] | 3513 | EXPORT_SYMBOL_GPL(wlcore_set_key); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3514 | |
Yoni Divinsky | ba1e6eb | 2013-05-12 12:35:28 +0300 | [diff] [blame] | 3515 | static void wl1271_op_set_default_key_idx(struct ieee80211_hw *hw, |
| 3516 | struct ieee80211_vif *vif, |
| 3517 | int key_idx) |
| 3518 | { |
| 3519 | struct wl1271 *wl = hw->priv; |
| 3520 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
| 3521 | int ret; |
| 3522 | |
| 3523 | wl1271_debug(DEBUG_MAC80211, "mac80211 set default key idx %d", |
| 3524 | key_idx); |
| 3525 | |
Eliad Peller | bf4e5f1 | 2014-02-10 13:47:29 +0200 | [diff] [blame] | 3526 | /* we don't handle unsetting of default key */ |
| 3527 | if (key_idx == -1) |
| 3528 | return; |
| 3529 | |
Yoni Divinsky | ba1e6eb | 2013-05-12 12:35:28 +0300 | [diff] [blame] | 3530 | mutex_lock(&wl->mutex); |
| 3531 | |
| 3532 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
| 3533 | ret = -EAGAIN; |
| 3534 | goto out_unlock; |
| 3535 | } |
| 3536 | |
| 3537 | ret = wl1271_ps_elp_wakeup(wl); |
| 3538 | if (ret < 0) |
| 3539 | goto out_unlock; |
| 3540 | |
| 3541 | wlvif->default_key = key_idx; |
| 3542 | |
| 3543 | /* the default WEP key needs to be configured at least once */ |
| 3544 | if (wlvif->encryption_type == KEY_WEP) { |
| 3545 | ret = wl12xx_cmd_set_default_wep_key(wl, |
| 3546 | key_idx, |
| 3547 | wlvif->sta.hlid); |
| 3548 | if (ret < 0) |
| 3549 | goto out_sleep; |
| 3550 | } |
| 3551 | |
| 3552 | out_sleep: |
| 3553 | wl1271_ps_elp_sleep(wl); |
| 3554 | |
| 3555 | out_unlock: |
| 3556 | mutex_unlock(&wl->mutex); |
| 3557 | } |
| 3558 | |
Victor Goldenshtein | 6b70e7e | 2012-11-25 18:26:59 +0200 | [diff] [blame] | 3559 | void wlcore_regdomain_config(struct wl1271 *wl) |
| 3560 | { |
| 3561 | int ret; |
| 3562 | |
| 3563 | if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF)) |
| 3564 | return; |
| 3565 | |
| 3566 | mutex_lock(&wl->mutex); |
Arik Nemtsov | 75592be | 2013-03-12 17:19:45 +0200 | [diff] [blame] | 3567 | |
| 3568 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
| 3569 | goto out; |
| 3570 | |
Victor Goldenshtein | 6b70e7e | 2012-11-25 18:26:59 +0200 | [diff] [blame] | 3571 | ret = wl1271_ps_elp_wakeup(wl); |
| 3572 | if (ret < 0) |
| 3573 | goto out; |
| 3574 | |
| 3575 | ret = wlcore_cmd_regdomain_config_locked(wl); |
| 3576 | if (ret < 0) { |
| 3577 | wl12xx_queue_recovery_work(wl); |
| 3578 | goto out; |
| 3579 | } |
| 3580 | |
| 3581 | wl1271_ps_elp_sleep(wl); |
| 3582 | out: |
| 3583 | mutex_unlock(&wl->mutex); |
| 3584 | } |
| 3585 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3586 | static int wl1271_op_hw_scan(struct ieee80211_hw *hw, |
Johannes Berg | a060bbf | 2010-04-27 11:59:34 +0200 | [diff] [blame] | 3587 | struct ieee80211_vif *vif, |
David Spinadel | c56ef67 | 2014-02-05 15:21:13 +0200 | [diff] [blame] | 3588 | struct ieee80211_scan_request *hw_req) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3589 | { |
David Spinadel | c56ef67 | 2014-02-05 15:21:13 +0200 | [diff] [blame] | 3590 | struct cfg80211_scan_request *req = &hw_req->req; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3591 | struct wl1271 *wl = hw->priv; |
| 3592 | int ret; |
| 3593 | u8 *ssid = NULL; |
Teemu Paasikivi | abb0b3b | 2009-10-13 12:47:50 +0300 | [diff] [blame] | 3594 | size_t len = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3595 | |
| 3596 | wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan"); |
| 3597 | |
| 3598 | if (req->n_ssids) { |
| 3599 | ssid = req->ssids[0].ssid; |
Teemu Paasikivi | abb0b3b | 2009-10-13 12:47:50 +0300 | [diff] [blame] | 3600 | len = req->ssids[0].ssid_len; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3601 | } |
| 3602 | |
| 3603 | mutex_lock(&wl->mutex); |
| 3604 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 3605 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
Juuso Oikarinen | b739a42 | 2010-10-26 13:24:38 +0200 | [diff] [blame] | 3606 | /* |
| 3607 | * We cannot return -EBUSY here because cfg80211 will expect |
| 3608 | * a call to ieee80211_scan_completed if we do - in this case |
| 3609 | * there won't be any call. |
| 3610 | */ |
| 3611 | ret = -EAGAIN; |
| 3612 | goto out; |
| 3613 | } |
| 3614 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3615 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3616 | if (ret < 0) |
| 3617 | goto out; |
| 3618 | |
Eliad Peller | 97fd311 | 2012-03-04 10:55:52 +0200 | [diff] [blame] | 3619 | /* fail if there is any role in ROC */ |
| 3620 | if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES) { |
Eliad Peller | 92e712d | 2011-12-18 20:25:43 +0200 | [diff] [blame] | 3621 | /* don't allow scanning right now */ |
| 3622 | ret = -EBUSY; |
| 3623 | goto out_sleep; |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 3624 | } |
| 3625 | |
Eliad Peller | 78e2806 | 2012-11-22 18:06:15 +0200 | [diff] [blame] | 3626 | ret = wlcore_scan(hw->priv, vif, ssid, len, req); |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 3627 | out_sleep: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3628 | wl1271_ps_elp_sleep(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3629 | out: |
| 3630 | mutex_unlock(&wl->mutex); |
| 3631 | |
| 3632 | return ret; |
| 3633 | } |
| 3634 | |
Eliad Peller | 73ecce3 | 2011-06-27 13:06:45 +0300 | [diff] [blame] | 3635 | static void wl1271_op_cancel_hw_scan(struct ieee80211_hw *hw, |
| 3636 | struct ieee80211_vif *vif) |
| 3637 | { |
| 3638 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 78e2806 | 2012-11-22 18:06:15 +0200 | [diff] [blame] | 3639 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Eliad Peller | 73ecce3 | 2011-06-27 13:06:45 +0300 | [diff] [blame] | 3640 | int ret; |
| 3641 | |
| 3642 | wl1271_debug(DEBUG_MAC80211, "mac80211 cancel hw scan"); |
| 3643 | |
| 3644 | mutex_lock(&wl->mutex); |
| 3645 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 3646 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
Eliad Peller | 73ecce3 | 2011-06-27 13:06:45 +0300 | [diff] [blame] | 3647 | goto out; |
| 3648 | |
| 3649 | if (wl->scan.state == WL1271_SCAN_STATE_IDLE) |
| 3650 | goto out; |
| 3651 | |
| 3652 | ret = wl1271_ps_elp_wakeup(wl); |
| 3653 | if (ret < 0) |
| 3654 | goto out; |
| 3655 | |
| 3656 | if (wl->scan.state != WL1271_SCAN_STATE_DONE) { |
Eliad Peller | 78e2806 | 2012-11-22 18:06:15 +0200 | [diff] [blame] | 3657 | ret = wl->ops->scan_stop(wl, wlvif); |
Eliad Peller | 73ecce3 | 2011-06-27 13:06:45 +0300 | [diff] [blame] | 3658 | if (ret < 0) |
| 3659 | goto out_sleep; |
| 3660 | } |
Arik Nemtsov | 55df5af | 2012-03-03 22:18:00 +0200 | [diff] [blame] | 3661 | |
| 3662 | /* |
| 3663 | * Rearm the tx watchdog just before idling scan. This |
| 3664 | * prevents just-finished scans from triggering the watchdog |
| 3665 | */ |
| 3666 | wl12xx_rearm_tx_watchdog_locked(wl); |
| 3667 | |
Eliad Peller | 73ecce3 | 2011-06-27 13:06:45 +0300 | [diff] [blame] | 3668 | wl->scan.state = WL1271_SCAN_STATE_IDLE; |
| 3669 | memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); |
Eliad Peller | c50a282 | 2012-11-22 18:06:19 +0200 | [diff] [blame] | 3670 | wl->scan_wlvif = NULL; |
Eliad Peller | 73ecce3 | 2011-06-27 13:06:45 +0300 | [diff] [blame] | 3671 | wl->scan.req = NULL; |
| 3672 | ieee80211_scan_completed(wl->hw, true); |
| 3673 | |
| 3674 | out_sleep: |
| 3675 | wl1271_ps_elp_sleep(wl); |
| 3676 | out: |
| 3677 | mutex_unlock(&wl->mutex); |
| 3678 | |
| 3679 | cancel_delayed_work_sync(&wl->scan_complete_work); |
| 3680 | } |
| 3681 | |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 3682 | static int wl1271_op_sched_scan_start(struct ieee80211_hw *hw, |
| 3683 | struct ieee80211_vif *vif, |
| 3684 | struct cfg80211_sched_scan_request *req, |
David Spinadel | 633e271 | 2014-02-06 16:15:23 +0200 | [diff] [blame] | 3685 | struct ieee80211_scan_ies *ies) |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 3686 | { |
| 3687 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 3688 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 3689 | int ret; |
| 3690 | |
| 3691 | wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_start"); |
| 3692 | |
| 3693 | mutex_lock(&wl->mutex); |
| 3694 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 3695 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
Pontus Fuchs | 9e0dc89 | 2012-01-11 14:22:42 +0100 | [diff] [blame] | 3696 | ret = -EAGAIN; |
| 3697 | goto out; |
| 3698 | } |
| 3699 | |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 3700 | ret = wl1271_ps_elp_wakeup(wl); |
| 3701 | if (ret < 0) |
| 3702 | goto out; |
| 3703 | |
Eliad Peller | 78e2806 | 2012-11-22 18:06:15 +0200 | [diff] [blame] | 3704 | ret = wl->ops->sched_scan_start(wl, wlvif, req, ies); |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 3705 | if (ret < 0) |
| 3706 | goto out_sleep; |
| 3707 | |
Eliad Peller | 1019975 | 2012-11-22 18:06:23 +0200 | [diff] [blame] | 3708 | wl->sched_vif = wlvif; |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 3709 | |
| 3710 | out_sleep: |
| 3711 | wl1271_ps_elp_sleep(wl); |
| 3712 | out: |
| 3713 | mutex_unlock(&wl->mutex); |
| 3714 | return ret; |
| 3715 | } |
| 3716 | |
Johannes Berg | 37e3308 | 2014-02-17 10:48:17 +0100 | [diff] [blame] | 3717 | static int wl1271_op_sched_scan_stop(struct ieee80211_hw *hw, |
| 3718 | struct ieee80211_vif *vif) |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 3719 | { |
| 3720 | struct wl1271 *wl = hw->priv; |
Yoni Divinsky | 78f85f5 | 2012-05-16 11:34:17 +0300 | [diff] [blame] | 3721 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 3722 | int ret; |
| 3723 | |
| 3724 | wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_stop"); |
| 3725 | |
| 3726 | mutex_lock(&wl->mutex); |
| 3727 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 3728 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
Pontus Fuchs | 9e0dc89 | 2012-01-11 14:22:42 +0100 | [diff] [blame] | 3729 | goto out; |
| 3730 | |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 3731 | ret = wl1271_ps_elp_wakeup(wl); |
| 3732 | if (ret < 0) |
| 3733 | goto out; |
| 3734 | |
Eliad Peller | 78e2806 | 2012-11-22 18:06:15 +0200 | [diff] [blame] | 3735 | wl->ops->sched_scan_stop(wl, wlvif); |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 3736 | |
| 3737 | wl1271_ps_elp_sleep(wl); |
| 3738 | out: |
| 3739 | mutex_unlock(&wl->mutex); |
Johannes Berg | 37e3308 | 2014-02-17 10:48:17 +0100 | [diff] [blame] | 3740 | |
| 3741 | return 0; |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 3742 | } |
| 3743 | |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 3744 | static int wl1271_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value) |
| 3745 | { |
| 3746 | struct wl1271 *wl = hw->priv; |
| 3747 | int ret = 0; |
| 3748 | |
| 3749 | mutex_lock(&wl->mutex); |
| 3750 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 3751 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 3752 | ret = -EAGAIN; |
| 3753 | goto out; |
| 3754 | } |
| 3755 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3756 | ret = wl1271_ps_elp_wakeup(wl); |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 3757 | if (ret < 0) |
| 3758 | goto out; |
| 3759 | |
Arik Nemtsov | 5f704d1 | 2011-04-18 14:15:21 +0300 | [diff] [blame] | 3760 | ret = wl1271_acx_frag_threshold(wl, value); |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 3761 | if (ret < 0) |
| 3762 | wl1271_warning("wl1271_op_set_frag_threshold failed: %d", ret); |
| 3763 | |
| 3764 | wl1271_ps_elp_sleep(wl); |
| 3765 | |
| 3766 | out: |
| 3767 | mutex_unlock(&wl->mutex); |
| 3768 | |
| 3769 | return ret; |
| 3770 | } |
| 3771 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3772 | static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
| 3773 | { |
| 3774 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 3775 | struct wl12xx_vif *wlvif; |
Saravanan Dhanabal | aecb056 | 2010-04-09 11:07:28 +0300 | [diff] [blame] | 3776 | int ret = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3777 | |
| 3778 | mutex_lock(&wl->mutex); |
| 3779 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 3780 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 3781 | ret = -EAGAIN; |
Saravanan Dhanabal | aecb056 | 2010-04-09 11:07:28 +0300 | [diff] [blame] | 3782 | goto out; |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 3783 | } |
Saravanan Dhanabal | aecb056 | 2010-04-09 11:07:28 +0300 | [diff] [blame] | 3784 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3785 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3786 | if (ret < 0) |
| 3787 | goto out; |
| 3788 | |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 3789 | wl12xx_for_each_wlvif(wl, wlvif) { |
| 3790 | ret = wl1271_acx_rts_threshold(wl, wlvif, value); |
| 3791 | if (ret < 0) |
| 3792 | wl1271_warning("set rts threshold failed: %d", ret); |
| 3793 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3794 | wl1271_ps_elp_sleep(wl); |
| 3795 | |
| 3796 | out: |
| 3797 | mutex_unlock(&wl->mutex); |
| 3798 | |
| 3799 | return ret; |
| 3800 | } |
| 3801 | |
Eliad Peller | d48055d | 2011-09-15 12:07:04 +0300 | [diff] [blame] | 3802 | static void wl12xx_remove_ie(struct sk_buff *skb, u8 eid, int ieoffset) |
| 3803 | { |
| 3804 | int len; |
| 3805 | const u8 *next, *end = skb->data + skb->len; |
| 3806 | u8 *ie = (u8 *)cfg80211_find_ie(eid, skb->data + ieoffset, |
| 3807 | skb->len - ieoffset); |
| 3808 | if (!ie) |
| 3809 | return; |
| 3810 | len = ie[1] + 2; |
| 3811 | next = ie + len; |
| 3812 | memmove(ie, next, end - next); |
| 3813 | skb_trim(skb, skb->len - len); |
| 3814 | } |
| 3815 | |
Eliad Peller | 26b4bf2 | 2011-09-15 12:07:05 +0300 | [diff] [blame] | 3816 | static void wl12xx_remove_vendor_ie(struct sk_buff *skb, |
| 3817 | unsigned int oui, u8 oui_type, |
| 3818 | int ieoffset) |
| 3819 | { |
| 3820 | int len; |
| 3821 | const u8 *next, *end = skb->data + skb->len; |
| 3822 | u8 *ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type, |
| 3823 | skb->data + ieoffset, |
| 3824 | skb->len - ieoffset); |
| 3825 | if (!ie) |
| 3826 | return; |
| 3827 | len = ie[1] + 2; |
| 3828 | next = ie + len; |
| 3829 | memmove(ie, next, end - next); |
| 3830 | skb_trim(skb, skb->len - len); |
| 3831 | } |
| 3832 | |
Arik Nemtsov | 341f2c1 | 2011-11-22 19:52:59 +0200 | [diff] [blame] | 3833 | static int wl1271_ap_set_probe_resp_tmpl(struct wl1271 *wl, u32 rates, |
| 3834 | struct ieee80211_vif *vif) |
Arik Nemtsov | 560f00241 | 2011-11-08 18:46:54 +0200 | [diff] [blame] | 3835 | { |
Eliad Peller | cdaac62 | 2012-01-31 11:57:16 +0200 | [diff] [blame] | 3836 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Arik Nemtsov | 560f00241 | 2011-11-08 18:46:54 +0200 | [diff] [blame] | 3837 | struct sk_buff *skb; |
| 3838 | int ret; |
| 3839 | |
Arik Nemtsov | 341f2c1 | 2011-11-22 19:52:59 +0200 | [diff] [blame] | 3840 | skb = ieee80211_proberesp_get(wl->hw, vif); |
Arik Nemtsov | 560f00241 | 2011-11-08 18:46:54 +0200 | [diff] [blame] | 3841 | if (!skb) |
Arik Nemtsov | 341f2c1 | 2011-11-22 19:52:59 +0200 | [diff] [blame] | 3842 | return -EOPNOTSUPP; |
Arik Nemtsov | 560f00241 | 2011-11-08 18:46:54 +0200 | [diff] [blame] | 3843 | |
Eliad Peller | cdaac62 | 2012-01-31 11:57:16 +0200 | [diff] [blame] | 3844 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, |
Arik Nemtsov | 560f00241 | 2011-11-08 18:46:54 +0200 | [diff] [blame] | 3845 | CMD_TEMPL_AP_PROBE_RESPONSE, |
| 3846 | skb->data, |
| 3847 | skb->len, 0, |
| 3848 | rates); |
Arik Nemtsov | 560f00241 | 2011-11-08 18:46:54 +0200 | [diff] [blame] | 3849 | dev_kfree_skb(skb); |
Luciano Coelho | 62c2e57 | 2012-05-10 12:14:04 +0300 | [diff] [blame] | 3850 | |
| 3851 | if (ret < 0) |
| 3852 | goto out; |
| 3853 | |
| 3854 | wl1271_debug(DEBUG_AP, "probe response updated"); |
| 3855 | set_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, &wlvif->flags); |
| 3856 | |
| 3857 | out: |
Arik Nemtsov | 560f00241 | 2011-11-08 18:46:54 +0200 | [diff] [blame] | 3858 | return ret; |
| 3859 | } |
| 3860 | |
| 3861 | static int wl1271_ap_set_probe_resp_tmpl_legacy(struct wl1271 *wl, |
| 3862 | struct ieee80211_vif *vif, |
| 3863 | u8 *probe_rsp_data, |
| 3864 | size_t probe_rsp_len, |
| 3865 | u32 rates) |
Arik Nemtsov | 68eaaf6 | 2011-09-03 20:22:03 +0300 | [diff] [blame] | 3866 | { |
Eliad Peller | 1fe9f16 | 2011-10-05 11:55:48 +0200 | [diff] [blame] | 3867 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
| 3868 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; |
Arik Nemtsov | 68eaaf6 | 2011-09-03 20:22:03 +0300 | [diff] [blame] | 3869 | u8 probe_rsp_templ[WL1271_CMD_TEMPL_MAX_SIZE]; |
| 3870 | int ssid_ie_offset, ie_offset, templ_len; |
| 3871 | const u8 *ptr; |
| 3872 | |
| 3873 | /* no need to change probe response if the SSID is set correctly */ |
Eliad Peller | 1fe9f16 | 2011-10-05 11:55:48 +0200 | [diff] [blame] | 3874 | if (wlvif->ssid_len > 0) |
Eliad Peller | cdaac62 | 2012-01-31 11:57:16 +0200 | [diff] [blame] | 3875 | return wl1271_cmd_template_set(wl, wlvif->role_id, |
Arik Nemtsov | 68eaaf6 | 2011-09-03 20:22:03 +0300 | [diff] [blame] | 3876 | CMD_TEMPL_AP_PROBE_RESPONSE, |
| 3877 | probe_rsp_data, |
| 3878 | probe_rsp_len, 0, |
| 3879 | rates); |
| 3880 | |
| 3881 | if (probe_rsp_len + bss_conf->ssid_len > WL1271_CMD_TEMPL_MAX_SIZE) { |
| 3882 | wl1271_error("probe_rsp template too big"); |
| 3883 | return -EINVAL; |
| 3884 | } |
| 3885 | |
| 3886 | /* start searching from IE offset */ |
| 3887 | ie_offset = offsetof(struct ieee80211_mgmt, u.probe_resp.variable); |
| 3888 | |
| 3889 | ptr = cfg80211_find_ie(WLAN_EID_SSID, probe_rsp_data + ie_offset, |
| 3890 | probe_rsp_len - ie_offset); |
| 3891 | if (!ptr) { |
| 3892 | wl1271_error("No SSID in beacon!"); |
| 3893 | return -EINVAL; |
| 3894 | } |
| 3895 | |
| 3896 | ssid_ie_offset = ptr - probe_rsp_data; |
| 3897 | ptr += (ptr[1] + 2); |
| 3898 | |
| 3899 | memcpy(probe_rsp_templ, probe_rsp_data, ssid_ie_offset); |
| 3900 | |
| 3901 | /* insert SSID from bss_conf */ |
| 3902 | probe_rsp_templ[ssid_ie_offset] = WLAN_EID_SSID; |
| 3903 | probe_rsp_templ[ssid_ie_offset + 1] = bss_conf->ssid_len; |
| 3904 | memcpy(probe_rsp_templ + ssid_ie_offset + 2, |
| 3905 | bss_conf->ssid, bss_conf->ssid_len); |
| 3906 | templ_len = ssid_ie_offset + 2 + bss_conf->ssid_len; |
| 3907 | |
| 3908 | memcpy(probe_rsp_templ + ssid_ie_offset + 2 + bss_conf->ssid_len, |
| 3909 | ptr, probe_rsp_len - (ptr - probe_rsp_data)); |
| 3910 | templ_len += probe_rsp_len - (ptr - probe_rsp_data); |
| 3911 | |
Eliad Peller | cdaac62 | 2012-01-31 11:57:16 +0200 | [diff] [blame] | 3912 | return wl1271_cmd_template_set(wl, wlvif->role_id, |
Arik Nemtsov | 68eaaf6 | 2011-09-03 20:22:03 +0300 | [diff] [blame] | 3913 | CMD_TEMPL_AP_PROBE_RESPONSE, |
| 3914 | probe_rsp_templ, |
| 3915 | templ_len, 0, |
| 3916 | rates); |
| 3917 | } |
| 3918 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3919 | static int wl1271_bss_erp_info_changed(struct wl1271 *wl, |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3920 | struct ieee80211_vif *vif, |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3921 | struct ieee80211_bss_conf *bss_conf, |
| 3922 | u32 changed) |
| 3923 | { |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3924 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3925 | int ret = 0; |
| 3926 | |
| 3927 | if (changed & BSS_CHANGED_ERP_SLOT) { |
| 3928 | if (bss_conf->use_short_slot) |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3929 | ret = wl1271_acx_slot(wl, wlvif, SLOT_TIME_SHORT); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3930 | else |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3931 | ret = wl1271_acx_slot(wl, wlvif, SLOT_TIME_LONG); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3932 | if (ret < 0) { |
| 3933 | wl1271_warning("Set slot time failed %d", ret); |
| 3934 | goto out; |
| 3935 | } |
| 3936 | } |
| 3937 | |
| 3938 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { |
| 3939 | if (bss_conf->use_short_preamble) |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3940 | wl1271_acx_set_preamble(wl, wlvif, ACX_PREAMBLE_SHORT); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3941 | else |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3942 | wl1271_acx_set_preamble(wl, wlvif, ACX_PREAMBLE_LONG); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3943 | } |
| 3944 | |
| 3945 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { |
| 3946 | if (bss_conf->use_cts_prot) |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3947 | ret = wl1271_acx_cts_protect(wl, wlvif, |
| 3948 | CTSPROTECT_ENABLE); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3949 | else |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3950 | ret = wl1271_acx_cts_protect(wl, wlvif, |
| 3951 | CTSPROTECT_DISABLE); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3952 | if (ret < 0) { |
| 3953 | wl1271_warning("Set ctsprotect failed %d", ret); |
| 3954 | goto out; |
| 3955 | } |
| 3956 | } |
| 3957 | |
| 3958 | out: |
| 3959 | return ret; |
| 3960 | } |
| 3961 | |
Luciano Coelho | 62c2e57 | 2012-05-10 12:14:04 +0300 | [diff] [blame] | 3962 | static int wlcore_set_beacon_template(struct wl1271 *wl, |
| 3963 | struct ieee80211_vif *vif, |
| 3964 | bool is_ap) |
| 3965 | { |
| 3966 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
| 3967 | struct ieee80211_hdr *hdr; |
| 3968 | u32 min_rate; |
| 3969 | int ret; |
Luciano Coelho | 8f6ac53 | 2013-05-04 01:06:11 +0300 | [diff] [blame] | 3970 | int ieoffset = offsetof(struct ieee80211_mgmt, u.beacon.variable); |
Luciano Coelho | 62c2e57 | 2012-05-10 12:14:04 +0300 | [diff] [blame] | 3971 | struct sk_buff *beacon = ieee80211_beacon_get(wl->hw, vif); |
| 3972 | u16 tmpl_id; |
| 3973 | |
| 3974 | if (!beacon) { |
| 3975 | ret = -EINVAL; |
| 3976 | goto out; |
| 3977 | } |
| 3978 | |
| 3979 | wl1271_debug(DEBUG_MASTER, "beacon updated"); |
| 3980 | |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 3981 | ret = wl1271_ssid_set(wlvif, beacon, ieoffset); |
Luciano Coelho | 62c2e57 | 2012-05-10 12:14:04 +0300 | [diff] [blame] | 3982 | if (ret < 0) { |
| 3983 | dev_kfree_skb(beacon); |
| 3984 | goto out; |
| 3985 | } |
| 3986 | min_rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); |
| 3987 | tmpl_id = is_ap ? CMD_TEMPL_AP_BEACON : |
| 3988 | CMD_TEMPL_BEACON; |
| 3989 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, tmpl_id, |
| 3990 | beacon->data, |
| 3991 | beacon->len, 0, |
| 3992 | min_rate); |
| 3993 | if (ret < 0) { |
| 3994 | dev_kfree_skb(beacon); |
| 3995 | goto out; |
| 3996 | } |
| 3997 | |
Eliad Peller | d50529c | 2012-11-22 18:06:20 +0200 | [diff] [blame] | 3998 | wlvif->wmm_enabled = |
| 3999 | cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, |
| 4000 | WLAN_OUI_TYPE_MICROSOFT_WMM, |
| 4001 | beacon->data + ieoffset, |
| 4002 | beacon->len - ieoffset); |
| 4003 | |
Luciano Coelho | 62c2e57 | 2012-05-10 12:14:04 +0300 | [diff] [blame] | 4004 | /* |
| 4005 | * In case we already have a probe-resp beacon set explicitly |
| 4006 | * by usermode, don't use the beacon data. |
| 4007 | */ |
| 4008 | if (test_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, &wlvif->flags)) |
| 4009 | goto end_bcn; |
| 4010 | |
| 4011 | /* remove TIM ie from probe response */ |
| 4012 | wl12xx_remove_ie(beacon, WLAN_EID_TIM, ieoffset); |
| 4013 | |
| 4014 | /* |
| 4015 | * remove p2p ie from probe response. |
| 4016 | * the fw reponds to probe requests that don't include |
| 4017 | * the p2p ie. probe requests with p2p ie will be passed, |
| 4018 | * and will be responded by the supplicant (the spec |
| 4019 | * forbids including the p2p ie when responding to probe |
| 4020 | * requests that didn't include it). |
| 4021 | */ |
| 4022 | wl12xx_remove_vendor_ie(beacon, WLAN_OUI_WFA, |
| 4023 | WLAN_OUI_TYPE_WFA_P2P, ieoffset); |
| 4024 | |
| 4025 | hdr = (struct ieee80211_hdr *) beacon->data; |
| 4026 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | |
| 4027 | IEEE80211_STYPE_PROBE_RESP); |
| 4028 | if (is_ap) |
| 4029 | ret = wl1271_ap_set_probe_resp_tmpl_legacy(wl, vif, |
| 4030 | beacon->data, |
| 4031 | beacon->len, |
| 4032 | min_rate); |
| 4033 | else |
| 4034 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, |
| 4035 | CMD_TEMPL_PROBE_RESPONSE, |
| 4036 | beacon->data, |
| 4037 | beacon->len, 0, |
| 4038 | min_rate); |
| 4039 | end_bcn: |
| 4040 | dev_kfree_skb(beacon); |
| 4041 | if (ret < 0) |
| 4042 | goto out; |
| 4043 | |
| 4044 | out: |
| 4045 | return ret; |
| 4046 | } |
| 4047 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4048 | static int wl1271_bss_beacon_info_changed(struct wl1271 *wl, |
| 4049 | struct ieee80211_vif *vif, |
| 4050 | struct ieee80211_bss_conf *bss_conf, |
| 4051 | u32 changed) |
| 4052 | { |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 4053 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 4054 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4055 | int ret = 0; |
| 4056 | |
Luciano Coelho | 48af2eb | 2012-11-20 11:03:32 +0200 | [diff] [blame] | 4057 | if (changed & BSS_CHANGED_BEACON_INT) { |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4058 | wl1271_debug(DEBUG_MASTER, "beacon interval updated: %d", |
| 4059 | bss_conf->beacon_int); |
| 4060 | |
Eliad Peller | 6a89979 | 2011-10-05 11:55:58 +0200 | [diff] [blame] | 4061 | wlvif->beacon_int = bss_conf->beacon_int; |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4062 | } |
| 4063 | |
Arik Nemtsov | 560f00241 | 2011-11-08 18:46:54 +0200 | [diff] [blame] | 4064 | if ((changed & BSS_CHANGED_AP_PROBE_RESP) && is_ap) { |
| 4065 | u32 rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); |
Luciano Coelho | 62c2e57 | 2012-05-10 12:14:04 +0300 | [diff] [blame] | 4066 | |
| 4067 | wl1271_ap_set_probe_resp_tmpl(wl, rate, vif); |
Arik Nemtsov | 560f00241 | 2011-11-08 18:46:54 +0200 | [diff] [blame] | 4068 | } |
| 4069 | |
Luciano Coelho | 48af2eb | 2012-11-20 11:03:32 +0200 | [diff] [blame] | 4070 | if (changed & BSS_CHANGED_BEACON) { |
Luciano Coelho | 62c2e57 | 2012-05-10 12:14:04 +0300 | [diff] [blame] | 4071 | ret = wlcore_set_beacon_template(wl, vif, is_ap); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4072 | if (ret < 0) |
| 4073 | goto out; |
| 4074 | } |
| 4075 | |
| 4076 | out: |
Arik Nemtsov | 560f00241 | 2011-11-08 18:46:54 +0200 | [diff] [blame] | 4077 | if (ret != 0) |
| 4078 | wl1271_error("beacon info change failed: %d", ret); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4079 | return ret; |
| 4080 | } |
| 4081 | |
| 4082 | /* AP mode changes */ |
| 4083 | static void wl1271_bss_info_changed_ap(struct wl1271 *wl, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4084 | struct ieee80211_vif *vif, |
| 4085 | struct ieee80211_bss_conf *bss_conf, |
| 4086 | u32 changed) |
| 4087 | { |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 4088 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4089 | int ret = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4090 | |
Eliad Peller | b6970ee | 2012-11-20 13:20:05 +0200 | [diff] [blame] | 4091 | if (changed & BSS_CHANGED_BASIC_RATES) { |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4092 | u32 rates = bss_conf->basic_rates; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4093 | |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 4094 | wlvif->basic_rate_set = wl1271_tx_enabled_rates_get(wl, rates, |
Eliad Peller | 1b92f15 | 2011-10-10 10:13:09 +0200 | [diff] [blame] | 4095 | wlvif->band); |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 4096 | wlvif->basic_rate = wl1271_tx_min_rate_get(wl, |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 4097 | wlvif->basic_rate_set); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4098 | |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 4099 | ret = wl1271_init_ap_rates(wl, wlvif); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4100 | if (ret < 0) { |
Arik Nemtsov | 70f4742 | 2011-04-18 14:15:25 +0300 | [diff] [blame] | 4101 | wl1271_error("AP rate policy change failed %d", ret); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4102 | goto out; |
Juuso Oikarinen | e0d8bbf | 2009-12-11 15:41:04 +0200 | [diff] [blame] | 4103 | } |
Arik Nemtsov | c45a85b | 2011-04-18 14:15:26 +0300 | [diff] [blame] | 4104 | |
Eliad Peller | 784f694 | 2011-10-05 11:55:39 +0200 | [diff] [blame] | 4105 | ret = wl1271_ap_init_templates(wl, vif); |
Arik Nemtsov | c45a85b | 2011-04-18 14:15:26 +0300 | [diff] [blame] | 4106 | if (ret < 0) |
| 4107 | goto out; |
Luciano Coelho | 62c2e57 | 2012-05-10 12:14:04 +0300 | [diff] [blame] | 4108 | |
| 4109 | ret = wl1271_ap_set_probe_resp_tmpl(wl, wlvif->basic_rate, vif); |
| 4110 | if (ret < 0) |
| 4111 | goto out; |
| 4112 | |
| 4113 | ret = wlcore_set_beacon_template(wl, vif, true); |
| 4114 | if (ret < 0) |
| 4115 | goto out; |
Juuso Oikarinen | e0d8bbf | 2009-12-11 15:41:04 +0200 | [diff] [blame] | 4116 | } |
| 4117 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4118 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, changed); |
| 4119 | if (ret < 0) |
| 4120 | goto out; |
| 4121 | |
Luciano Coelho | 48af2eb | 2012-11-20 11:03:32 +0200 | [diff] [blame] | 4122 | if (changed & BSS_CHANGED_BEACON_ENABLED) { |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4123 | if (bss_conf->enable_beacon) { |
Eliad Peller | 53d40d0 | 2011-10-10 10:13:02 +0200 | [diff] [blame] | 4124 | if (!test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) { |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 4125 | ret = wl12xx_cmd_role_start_ap(wl, wlvif); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4126 | if (ret < 0) |
| 4127 | goto out; |
| 4128 | |
Eliad Peller | a8ab39a | 2011-10-05 11:55:54 +0200 | [diff] [blame] | 4129 | ret = wl1271_ap_init_hwenc(wl, wlvif); |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 4130 | if (ret < 0) |
| 4131 | goto out; |
Arik Nemtsov | cf42039 | 2011-08-14 13:17:37 +0300 | [diff] [blame] | 4132 | |
Eliad Peller | 53d40d0 | 2011-10-10 10:13:02 +0200 | [diff] [blame] | 4133 | set_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags); |
Arik Nemtsov | cf42039 | 2011-08-14 13:17:37 +0300 | [diff] [blame] | 4134 | wl1271_debug(DEBUG_AP, "started AP"); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4135 | } |
| 4136 | } else { |
Eliad Peller | 53d40d0 | 2011-10-10 10:13:02 +0200 | [diff] [blame] | 4137 | if (test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) { |
Arik Nemtsov | 187e52c | 2013-09-17 18:41:20 +0300 | [diff] [blame] | 4138 | /* |
| 4139 | * AP might be in ROC in case we have just |
| 4140 | * sent auth reply. handle it. |
| 4141 | */ |
| 4142 | if (test_bit(wlvif->role_id, wl->roc_map)) |
| 4143 | wl12xx_croc(wl, wlvif->role_id); |
| 4144 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 4145 | ret = wl12xx_cmd_role_stop_ap(wl, wlvif); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4146 | if (ret < 0) |
| 4147 | goto out; |
| 4148 | |
Eliad Peller | 53d40d0 | 2011-10-10 10:13:02 +0200 | [diff] [blame] | 4149 | clear_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags); |
Arik Nemtsov | 560f00241 | 2011-11-08 18:46:54 +0200 | [diff] [blame] | 4150 | clear_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, |
| 4151 | &wlvif->flags); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4152 | wl1271_debug(DEBUG_AP, "stopped AP"); |
| 4153 | } |
| 4154 | } |
| 4155 | } |
| 4156 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 4157 | ret = wl1271_bss_erp_info_changed(wl, vif, bss_conf, changed); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4158 | if (ret < 0) |
| 4159 | goto out; |
Arik Nemtsov | 0b932ab | 2011-08-14 13:17:27 +0300 | [diff] [blame] | 4160 | |
| 4161 | /* Handle HT information change */ |
| 4162 | if ((changed & BSS_CHANGED_HT) && |
Johannes Berg | 4bf8853 | 2012-11-09 11:39:59 +0100 | [diff] [blame] | 4163 | (bss_conf->chandef.width != NL80211_CHAN_WIDTH_20_NOHT)) { |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 4164 | ret = wl1271_acx_set_ht_information(wl, wlvif, |
Arik Nemtsov | 0b932ab | 2011-08-14 13:17:27 +0300 | [diff] [blame] | 4165 | bss_conf->ht_operation_mode); |
| 4166 | if (ret < 0) { |
| 4167 | wl1271_warning("Set ht information failed %d", ret); |
| 4168 | goto out; |
| 4169 | } |
| 4170 | } |
| 4171 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4172 | out: |
| 4173 | return; |
| 4174 | } |
| 4175 | |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 4176 | static int wlcore_set_bssid(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
| 4177 | struct ieee80211_bss_conf *bss_conf, |
| 4178 | u32 sta_rate_set) |
| 4179 | { |
| 4180 | u32 rates; |
| 4181 | int ret; |
| 4182 | |
| 4183 | wl1271_debug(DEBUG_MAC80211, |
| 4184 | "changed_bssid: %pM, aid: %d, bcn_int: %d, brates: 0x%x sta_rate_set: 0x%x", |
| 4185 | bss_conf->bssid, bss_conf->aid, |
| 4186 | bss_conf->beacon_int, |
| 4187 | bss_conf->basic_rates, sta_rate_set); |
| 4188 | |
| 4189 | wlvif->beacon_int = bss_conf->beacon_int; |
| 4190 | rates = bss_conf->basic_rates; |
| 4191 | wlvif->basic_rate_set = |
| 4192 | wl1271_tx_enabled_rates_get(wl, rates, |
| 4193 | wlvif->band); |
| 4194 | wlvif->basic_rate = |
| 4195 | wl1271_tx_min_rate_get(wl, |
| 4196 | wlvif->basic_rate_set); |
| 4197 | |
| 4198 | if (sta_rate_set) |
| 4199 | wlvif->rate_set = |
| 4200 | wl1271_tx_enabled_rates_get(wl, |
| 4201 | sta_rate_set, |
| 4202 | wlvif->band); |
| 4203 | |
| 4204 | /* we only support sched_scan while not connected */ |
Eliad Peller | 1019975 | 2012-11-22 18:06:23 +0200 | [diff] [blame] | 4205 | if (wl->sched_vif == wlvif) |
Eliad Peller | 78e2806 | 2012-11-22 18:06:15 +0200 | [diff] [blame] | 4206 | wl->ops->sched_scan_stop(wl, wlvif); |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 4207 | |
| 4208 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); |
| 4209 | if (ret < 0) |
| 4210 | return ret; |
| 4211 | |
| 4212 | ret = wl12xx_cmd_build_null_data(wl, wlvif); |
| 4213 | if (ret < 0) |
| 4214 | return ret; |
| 4215 | |
| 4216 | ret = wl1271_build_qos_null_data(wl, wl12xx_wlvif_to_vif(wlvif)); |
| 4217 | if (ret < 0) |
| 4218 | return ret; |
| 4219 | |
| 4220 | wlcore_set_ssid(wl, wlvif); |
| 4221 | |
| 4222 | set_bit(WLVIF_FLAG_IN_USE, &wlvif->flags); |
| 4223 | |
| 4224 | return 0; |
| 4225 | } |
| 4226 | |
| 4227 | static int wlcore_clear_bssid(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
| 4228 | { |
| 4229 | int ret; |
| 4230 | |
| 4231 | /* revert back to minimum rates for the current band */ |
| 4232 | wl1271_set_band_rate(wl, wlvif); |
| 4233 | wlvif->basic_rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); |
| 4234 | |
| 4235 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); |
| 4236 | if (ret < 0) |
| 4237 | return ret; |
| 4238 | |
| 4239 | if (wlvif->bss_type == BSS_TYPE_STA_BSS && |
| 4240 | test_bit(WLVIF_FLAG_IN_USE, &wlvif->flags)) { |
| 4241 | ret = wl12xx_cmd_role_stop_sta(wl, wlvif); |
| 4242 | if (ret < 0) |
| 4243 | return ret; |
| 4244 | } |
| 4245 | |
| 4246 | clear_bit(WLVIF_FLAG_IN_USE, &wlvif->flags); |
| 4247 | return 0; |
| 4248 | } |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4249 | /* STA/IBSS mode changes */ |
| 4250 | static void wl1271_bss_info_changed_sta(struct wl1271 *wl, |
| 4251 | struct ieee80211_vif *vif, |
| 4252 | struct ieee80211_bss_conf *bss_conf, |
| 4253 | u32 changed) |
| 4254 | { |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 4255 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 4256 | bool do_join = false; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 4257 | bool is_ibss = (wlvif->bss_type == BSS_TYPE_IBSS); |
Eliad Peller | 227e81e | 2011-08-14 13:17:26 +0300 | [diff] [blame] | 4258 | bool ibss_joined = false; |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 4259 | u32 sta_rate_set = 0; |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4260 | int ret; |
Luciano Coelho | 2d6e4e76 | 2011-01-11 19:07:21 +0100 | [diff] [blame] | 4261 | struct ieee80211_sta *sta; |
Arik Nemtsov | a100885 | 2011-02-12 23:24:20 +0200 | [diff] [blame] | 4262 | bool sta_exists = false; |
| 4263 | struct ieee80211_sta_ht_cap sta_ht_cap; |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4264 | |
| 4265 | if (is_ibss) { |
| 4266 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, |
| 4267 | changed); |
| 4268 | if (ret < 0) |
| 4269 | goto out; |
| 4270 | } |
| 4271 | |
Eliad Peller | 227e81e | 2011-08-14 13:17:26 +0300 | [diff] [blame] | 4272 | if (changed & BSS_CHANGED_IBSS) { |
| 4273 | if (bss_conf->ibss_joined) { |
Eliad Peller | eee514e | 2011-10-10 10:13:01 +0200 | [diff] [blame] | 4274 | set_bit(WLVIF_FLAG_IBSS_JOINED, &wlvif->flags); |
Eliad Peller | 227e81e | 2011-08-14 13:17:26 +0300 | [diff] [blame] | 4275 | ibss_joined = true; |
| 4276 | } else { |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 4277 | wlcore_unset_assoc(wl, wlvif); |
| 4278 | wl12xx_cmd_role_stop_sta(wl, wlvif); |
Eliad Peller | 227e81e | 2011-08-14 13:17:26 +0300 | [diff] [blame] | 4279 | } |
| 4280 | } |
| 4281 | |
| 4282 | if ((changed & BSS_CHANGED_BEACON_INT) && ibss_joined) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4283 | do_join = true; |
| 4284 | |
| 4285 | /* Need to update the SSID (for filtering etc) */ |
Eliad Peller | 227e81e | 2011-08-14 13:17:26 +0300 | [diff] [blame] | 4286 | if ((changed & BSS_CHANGED_BEACON) && ibss_joined) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4287 | do_join = true; |
| 4288 | |
Eliad Peller | 227e81e | 2011-08-14 13:17:26 +0300 | [diff] [blame] | 4289 | if ((changed & BSS_CHANGED_BEACON_ENABLED) && ibss_joined) { |
Juuso Oikarinen | 5da11dc | 2010-03-26 12:53:24 +0200 | [diff] [blame] | 4290 | wl1271_debug(DEBUG_ADHOC, "ad-hoc beaconing: %s", |
| 4291 | bss_conf->enable_beacon ? "enabled" : "disabled"); |
| 4292 | |
Juuso Oikarinen | 5da11dc | 2010-03-26 12:53:24 +0200 | [diff] [blame] | 4293 | do_join = true; |
| 4294 | } |
| 4295 | |
Arik Nemtsov | b0ed8a4 | 2013-09-17 18:41:23 +0300 | [diff] [blame] | 4296 | if (changed & BSS_CHANGED_IDLE && !is_ibss) |
| 4297 | wl1271_sta_handle_idle(wl, wlvif, bss_conf->idle); |
| 4298 | |
Luciano Coelho | 48af2eb | 2012-11-20 11:03:32 +0200 | [diff] [blame] | 4299 | if (changed & BSS_CHANGED_CQM) { |
Juuso Oikarinen | 00236aed | 2010-04-09 11:07:30 +0300 | [diff] [blame] | 4300 | bool enable = false; |
| 4301 | if (bss_conf->cqm_rssi_thold) |
| 4302 | enable = true; |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 4303 | ret = wl1271_acx_rssi_snr_trigger(wl, wlvif, enable, |
Juuso Oikarinen | 00236aed | 2010-04-09 11:07:30 +0300 | [diff] [blame] | 4304 | bss_conf->cqm_rssi_thold, |
| 4305 | bss_conf->cqm_rssi_hyst); |
| 4306 | if (ret < 0) |
| 4307 | goto out; |
Eliad Peller | 04324d9 | 2011-10-05 11:56:03 +0200 | [diff] [blame] | 4308 | wlvif->rssi_thold = bss_conf->cqm_rssi_thold; |
Juuso Oikarinen | 00236aed | 2010-04-09 11:07:30 +0300 | [diff] [blame] | 4309 | } |
| 4310 | |
Eliad Peller | ec87011 | 2012-11-20 13:20:09 +0200 | [diff] [blame] | 4311 | if (changed & (BSS_CHANGED_BSSID | BSS_CHANGED_HT | |
| 4312 | BSS_CHANGED_ASSOC)) { |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 4313 | rcu_read_lock(); |
| 4314 | sta = ieee80211_find_sta(vif, bss_conf->bssid); |
Luciano Coelho | ef08d02 | 2012-11-20 11:03:31 +0200 | [diff] [blame] | 4315 | if (sta) { |
| 4316 | u8 *rx_mask = sta->ht_cap.mcs.rx_mask; |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 4317 | |
Luciano Coelho | ef08d02 | 2012-11-20 11:03:31 +0200 | [diff] [blame] | 4318 | /* save the supp_rates of the ap */ |
| 4319 | sta_rate_set = sta->supp_rates[wlvif->band]; |
| 4320 | if (sta->ht_cap.ht_supported) |
| 4321 | sta_rate_set |= |
| 4322 | (rx_mask[0] << HW_HT_RATES_OFFSET) | |
| 4323 | (rx_mask[1] << HW_MIMO_RATES_OFFSET); |
| 4324 | sta_ht_cap = sta->ht_cap; |
| 4325 | sta_exists = true; |
| 4326 | } |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 4327 | |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 4328 | rcu_read_unlock(); |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 4329 | } |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 4330 | |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 4331 | if (changed & BSS_CHANGED_BSSID) { |
| 4332 | if (!is_zero_ether_addr(bss_conf->bssid)) { |
| 4333 | ret = wlcore_set_bssid(wl, wlvif, bss_conf, |
| 4334 | sta_rate_set); |
| 4335 | if (ret < 0) |
| 4336 | goto out; |
| 4337 | |
| 4338 | /* Need to update the BSSID (for filtering etc) */ |
Eliad Peller | 446f5ca | 2012-03-12 14:53:04 +0200 | [diff] [blame] | 4339 | do_join = true; |
Juuso Oikarinen | d94cd29 | 2009-10-08 21:56:25 +0300 | [diff] [blame] | 4340 | } else { |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 4341 | ret = wlcore_clear_bssid(wl, wlvif); |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 4342 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4343 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4344 | } |
| 4345 | } |
Juuso Oikarinen | 8a5a37a | 2009-10-08 21:56:24 +0300 | [diff] [blame] | 4346 | |
Eliad Peller | d192d26 | 2011-05-24 14:33:08 +0300 | [diff] [blame] | 4347 | if (changed & BSS_CHANGED_IBSS) { |
| 4348 | wl1271_debug(DEBUG_ADHOC, "ibss_joined: %d", |
| 4349 | bss_conf->ibss_joined); |
| 4350 | |
| 4351 | if (bss_conf->ibss_joined) { |
| 4352 | u32 rates = bss_conf->basic_rates; |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 4353 | wlvif->basic_rate_set = |
Eliad Peller | af7fbb2 | 2011-09-19 13:51:42 +0300 | [diff] [blame] | 4354 | wl1271_tx_enabled_rates_get(wl, rates, |
Eliad Peller | 1b92f15 | 2011-10-10 10:13:09 +0200 | [diff] [blame] | 4355 | wlvif->band); |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 4356 | wlvif->basic_rate = |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 4357 | wl1271_tx_min_rate_get(wl, |
| 4358 | wlvif->basic_rate_set); |
Eliad Peller | d192d26 | 2011-05-24 14:33:08 +0300 | [diff] [blame] | 4359 | |
Shahar Levi | 06b660e | 2011-09-05 13:54:36 +0300 | [diff] [blame] | 4360 | /* by default, use 11b + OFDM rates */ |
Eliad Peller | 30d0c8f | 2011-10-05 11:55:42 +0200 | [diff] [blame] | 4361 | wlvif->rate_set = CONF_TX_IBSS_DEFAULT_RATES; |
| 4362 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); |
Eliad Peller | d192d26 | 2011-05-24 14:33:08 +0300 | [diff] [blame] | 4363 | if (ret < 0) |
| 4364 | goto out; |
| 4365 | } |
| 4366 | } |
| 4367 | |
Eliad Peller | d881fa2 | 2014-02-10 13:47:33 +0200 | [diff] [blame] | 4368 | if ((changed & BSS_CHANGED_BEACON_INFO) && bss_conf->dtim_period) { |
| 4369 | /* enable beacon filtering */ |
| 4370 | ret = wl1271_acx_beacon_filter_opt(wl, wlvif, true); |
| 4371 | if (ret < 0) |
| 4372 | goto out; |
| 4373 | } |
| 4374 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 4375 | ret = wl1271_bss_erp_info_changed(wl, vif, bss_conf, changed); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4376 | if (ret < 0) |
| 4377 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4378 | |
Juuso Oikarinen | 8bf29b0 | 2010-02-18 13:25:51 +0200 | [diff] [blame] | 4379 | if (do_join) { |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 4380 | ret = wlcore_join(wl, wlvif); |
Juuso Oikarinen | 8bf29b0 | 2010-02-18 13:25:51 +0200 | [diff] [blame] | 4381 | if (ret < 0) { |
| 4382 | wl1271_warning("cmd join failed %d", ret); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 4383 | goto out; |
Juuso Oikarinen | 8bf29b0 | 2010-02-18 13:25:51 +0200 | [diff] [blame] | 4384 | } |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 4385 | } |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 4386 | |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 4387 | if (changed & BSS_CHANGED_ASSOC) { |
| 4388 | if (bss_conf->assoc) { |
Eliad Peller | ec87011 | 2012-11-20 13:20:09 +0200 | [diff] [blame] | 4389 | ret = wlcore_set_assoc(wl, wlvif, bss_conf, |
| 4390 | sta_rate_set); |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 4391 | if (ret < 0) |
| 4392 | goto out; |
| 4393 | |
Eliad Peller | 9fd6f21 | 2012-03-04 10:55:48 +0200 | [diff] [blame] | 4394 | if (test_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags)) |
| 4395 | wl12xx_set_authorized(wl, wlvif); |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 4396 | } else { |
| 4397 | wlcore_unset_assoc(wl, wlvif); |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 4398 | } |
Juuso Oikarinen | c189955 | 2010-03-26 12:53:32 +0200 | [diff] [blame] | 4399 | } |
| 4400 | |
Eliad Peller | 518b680 | 2012-11-26 18:05:47 +0200 | [diff] [blame] | 4401 | if (changed & BSS_CHANGED_PS) { |
| 4402 | if ((bss_conf->ps) && |
| 4403 | test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) && |
| 4404 | !test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags)) { |
| 4405 | int ps_mode; |
| 4406 | char *ps_mode_str; |
| 4407 | |
| 4408 | if (wl->conf.conn.forced_ps) { |
| 4409 | ps_mode = STATION_POWER_SAVE_MODE; |
| 4410 | ps_mode_str = "forced"; |
| 4411 | } else { |
| 4412 | ps_mode = STATION_AUTO_PS_MODE; |
| 4413 | ps_mode_str = "auto"; |
| 4414 | } |
| 4415 | |
| 4416 | wl1271_debug(DEBUG_PSM, "%s ps enabled", ps_mode_str); |
| 4417 | |
| 4418 | ret = wl1271_ps_set_mode(wl, wlvif, ps_mode); |
Kalle Valo | c6999d8 | 2010-02-18 13:25:41 +0200 | [diff] [blame] | 4419 | if (ret < 0) |
Eliad Peller | 518b680 | 2012-11-26 18:05:47 +0200 | [diff] [blame] | 4420 | wl1271_warning("enter %s ps failed %d", |
| 4421 | ps_mode_str, ret); |
| 4422 | } else if (!bss_conf->ps && |
| 4423 | test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags)) { |
| 4424 | wl1271_debug(DEBUG_PSM, "auto ps disabled"); |
| 4425 | |
| 4426 | ret = wl1271_ps_set_mode(wl, wlvif, |
| 4427 | STATION_ACTIVE_MODE); |
| 4428 | if (ret < 0) |
| 4429 | wl1271_warning("exit auto ps failed %d", ret); |
Kalle Valo | c6999d8 | 2010-02-18 13:25:41 +0200 | [diff] [blame] | 4430 | } |
| 4431 | } |
Kalle Valo | 4695dc9 | 2010-03-18 12:26:38 +0200 | [diff] [blame] | 4432 | |
| 4433 | /* Handle new association with HT. Do this after join. */ |
Eliad Peller | 6f0b1bb | 2013-05-07 15:41:08 +0300 | [diff] [blame] | 4434 | if (sta_exists) { |
Eliad Peller | 58321b2 | 2012-11-20 13:20:10 +0200 | [diff] [blame] | 4435 | bool enabled = |
Luciano Coelho | aaabee8 | 2012-12-04 16:39:47 +0200 | [diff] [blame] | 4436 | bss_conf->chandef.width != NL80211_CHAN_WIDTH_20_NOHT; |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 4437 | |
Eliad Peller | 530abe1 | 2012-11-28 11:42:31 +0200 | [diff] [blame] | 4438 | ret = wlcore_hw_set_peer_cap(wl, |
| 4439 | &sta_ht_cap, |
| 4440 | enabled, |
| 4441 | wlvif->rate_set, |
| 4442 | wlvif->sta.hlid); |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 4443 | if (ret < 0) { |
Eliad Peller | 58321b2 | 2012-11-20 13:20:10 +0200 | [diff] [blame] | 4444 | wl1271_warning("Set ht cap failed %d", ret); |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 4445 | goto out; |
Eliad Peller | 58321b2 | 2012-11-20 13:20:10 +0200 | [diff] [blame] | 4446 | |
| 4447 | } |
| 4448 | |
| 4449 | if (enabled) { |
| 4450 | ret = wl1271_acx_set_ht_information(wl, wlvif, |
| 4451 | bss_conf->ht_operation_mode); |
| 4452 | if (ret < 0) { |
| 4453 | wl1271_warning("Set ht information failed %d", |
| 4454 | ret); |
| 4455 | goto out; |
| 4456 | } |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 4457 | } |
| 4458 | } |
| 4459 | |
Eliad Peller | 76a74c8 | 2012-02-02 12:22:11 +0200 | [diff] [blame] | 4460 | /* Handle arp filtering. Done after join. */ |
| 4461 | if ((changed & BSS_CHANGED_ARP_FILTER) || |
| 4462 | (!is_ibss && (changed & BSS_CHANGED_QOS))) { |
| 4463 | __be32 addr = bss_conf->arp_addr_list[0]; |
| 4464 | wlvif->sta.qos = bss_conf->qos; |
| 4465 | WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS); |
| 4466 | |
Johannes Berg | 0f19b41 | 2013-01-14 16:39:07 +0100 | [diff] [blame] | 4467 | if (bss_conf->arp_addr_cnt == 1 && bss_conf->assoc) { |
Eliad Peller | 76a74c8 | 2012-02-02 12:22:11 +0200 | [diff] [blame] | 4468 | wlvif->ip_addr = addr; |
| 4469 | /* |
| 4470 | * The template should have been configured only upon |
| 4471 | * association. however, it seems that the correct ip |
| 4472 | * isn't being set (when sending), so we have to |
| 4473 | * reconfigure the template upon every ip change. |
| 4474 | */ |
| 4475 | ret = wl1271_cmd_build_arp_rsp(wl, wlvif); |
| 4476 | if (ret < 0) { |
| 4477 | wl1271_warning("build arp rsp failed: %d", ret); |
| 4478 | goto out; |
| 4479 | } |
| 4480 | |
| 4481 | ret = wl1271_acx_arp_ip_filter(wl, wlvif, |
| 4482 | (ACX_ARP_FILTER_ARP_FILTERING | |
| 4483 | ACX_ARP_FILTER_AUTO_ARP), |
| 4484 | addr); |
| 4485 | } else { |
| 4486 | wlvif->ip_addr = 0; |
| 4487 | ret = wl1271_acx_arp_ip_filter(wl, wlvif, 0, addr); |
| 4488 | } |
| 4489 | |
| 4490 | if (ret < 0) |
| 4491 | goto out; |
| 4492 | } |
| 4493 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4494 | out: |
| 4495 | return; |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 4496 | } |
| 4497 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4498 | static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, |
| 4499 | struct ieee80211_vif *vif, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 4500 | struct ieee80211_bss_conf *bss_conf, |
| 4501 | u32 changed) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4502 | { |
| 4503 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 4504 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
| 4505 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 4506 | int ret; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4507 | |
Eliad Peller | d3f5a1b | 2012-11-19 17:14:05 +0200 | [diff] [blame] | 4508 | wl1271_debug(DEBUG_MAC80211, "mac80211 bss info role %d changed 0x%x", |
| 4509 | wlvif->role_id, (int)changed); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4510 | |
Arik Nemtsov | 6b8bf5b | 2012-05-15 17:08:54 +0300 | [diff] [blame] | 4511 | /* |
| 4512 | * make sure to cancel pending disconnections if our association |
| 4513 | * state changed |
| 4514 | */ |
| 4515 | if (!is_ap && (changed & BSS_CHANGED_ASSOC)) |
Eliad Peller | c50a282 | 2012-11-22 18:06:19 +0200 | [diff] [blame] | 4516 | cancel_delayed_work_sync(&wlvif->connection_loss_work); |
Arik Nemtsov | 6b8bf5b | 2012-05-15 17:08:54 +0300 | [diff] [blame] | 4517 | |
Eliad Peller | b515d83 | 2012-05-15 17:08:56 +0300 | [diff] [blame] | 4518 | if (is_ap && (changed & BSS_CHANGED_BEACON_ENABLED) && |
| 4519 | !bss_conf->enable_beacon) |
| 4520 | wl1271_tx_flush(wl); |
| 4521 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4522 | mutex_lock(&wl->mutex); |
| 4523 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 4524 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4525 | goto out; |
| 4526 | |
Eliad Peller | 10c8cd0 | 2011-10-10 10:13:06 +0200 | [diff] [blame] | 4527 | if (unlikely(!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags))) |
| 4528 | goto out; |
| 4529 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4530 | ret = wl1271_ps_elp_wakeup(wl); |
| 4531 | if (ret < 0) |
| 4532 | goto out; |
| 4533 | |
Alex Gal | b30d49b | 2014-01-10 15:21:13 -0500 | [diff] [blame] | 4534 | if ((changed & BSS_CHANGED_TXPOWER) && |
| 4535 | bss_conf->txpower != wlvif->power_level) { |
| 4536 | |
| 4537 | ret = wl1271_acx_tx_power(wl, wlvif, bss_conf->txpower); |
| 4538 | if (ret < 0) |
| 4539 | goto out; |
| 4540 | |
| 4541 | wlvif->power_level = bss_conf->txpower; |
| 4542 | } |
| 4543 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4544 | if (is_ap) |
| 4545 | wl1271_bss_info_changed_ap(wl, vif, bss_conf, changed); |
| 4546 | else |
| 4547 | wl1271_bss_info_changed_sta(wl, vif, bss_conf, changed); |
| 4548 | |
| 4549 | wl1271_ps_elp_sleep(wl); |
| 4550 | |
| 4551 | out: |
| 4552 | mutex_unlock(&wl->mutex); |
| 4553 | } |
| 4554 | |
Eliad Peller | b6970ee | 2012-11-20 13:20:05 +0200 | [diff] [blame] | 4555 | static int wlcore_op_add_chanctx(struct ieee80211_hw *hw, |
| 4556 | struct ieee80211_chanctx_conf *ctx) |
| 4557 | { |
| 4558 | wl1271_debug(DEBUG_MAC80211, "mac80211 add chanctx %d (type %d)", |
Luciano Coelho | aaabee8 | 2012-12-04 16:39:47 +0200 | [diff] [blame] | 4559 | ieee80211_frequency_to_channel(ctx->def.chan->center_freq), |
| 4560 | cfg80211_get_chandef_type(&ctx->def)); |
Eliad Peller | b6970ee | 2012-11-20 13:20:05 +0200 | [diff] [blame] | 4561 | return 0; |
| 4562 | } |
| 4563 | |
| 4564 | static void wlcore_op_remove_chanctx(struct ieee80211_hw *hw, |
| 4565 | struct ieee80211_chanctx_conf *ctx) |
| 4566 | { |
| 4567 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove chanctx %d (type %d)", |
Luciano Coelho | aaabee8 | 2012-12-04 16:39:47 +0200 | [diff] [blame] | 4568 | ieee80211_frequency_to_channel(ctx->def.chan->center_freq), |
| 4569 | cfg80211_get_chandef_type(&ctx->def)); |
Eliad Peller | b6970ee | 2012-11-20 13:20:05 +0200 | [diff] [blame] | 4570 | } |
| 4571 | |
| 4572 | static void wlcore_op_change_chanctx(struct ieee80211_hw *hw, |
| 4573 | struct ieee80211_chanctx_conf *ctx, |
| 4574 | u32 changed) |
| 4575 | { |
| 4576 | wl1271_debug(DEBUG_MAC80211, |
| 4577 | "mac80211 change chanctx %d (type %d) changed 0x%x", |
Luciano Coelho | aaabee8 | 2012-12-04 16:39:47 +0200 | [diff] [blame] | 4578 | ieee80211_frequency_to_channel(ctx->def.chan->center_freq), |
| 4579 | cfg80211_get_chandef_type(&ctx->def), changed); |
Eliad Peller | b6970ee | 2012-11-20 13:20:05 +0200 | [diff] [blame] | 4580 | } |
| 4581 | |
| 4582 | static int wlcore_op_assign_vif_chanctx(struct ieee80211_hw *hw, |
| 4583 | struct ieee80211_vif *vif, |
| 4584 | struct ieee80211_chanctx_conf *ctx) |
| 4585 | { |
| 4586 | struct wl1271 *wl = hw->priv; |
| 4587 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
| 4588 | int channel = ieee80211_frequency_to_channel( |
Luciano Coelho | aaabee8 | 2012-12-04 16:39:47 +0200 | [diff] [blame] | 4589 | ctx->def.chan->center_freq); |
Eliad Peller | b6970ee | 2012-11-20 13:20:05 +0200 | [diff] [blame] | 4590 | |
| 4591 | wl1271_debug(DEBUG_MAC80211, |
| 4592 | "mac80211 assign chanctx (role %d) %d (type %d)", |
Luciano Coelho | aaabee8 | 2012-12-04 16:39:47 +0200 | [diff] [blame] | 4593 | wlvif->role_id, channel, cfg80211_get_chandef_type(&ctx->def)); |
Eliad Peller | b6970ee | 2012-11-20 13:20:05 +0200 | [diff] [blame] | 4594 | |
| 4595 | mutex_lock(&wl->mutex); |
| 4596 | |
Luciano Coelho | aaabee8 | 2012-12-04 16:39:47 +0200 | [diff] [blame] | 4597 | wlvif->band = ctx->def.chan->band; |
Eliad Peller | b6970ee | 2012-11-20 13:20:05 +0200 | [diff] [blame] | 4598 | wlvif->channel = channel; |
Luciano Coelho | aaabee8 | 2012-12-04 16:39:47 +0200 | [diff] [blame] | 4599 | wlvif->channel_type = cfg80211_get_chandef_type(&ctx->def); |
Eliad Peller | b6970ee | 2012-11-20 13:20:05 +0200 | [diff] [blame] | 4600 | |
| 4601 | /* update default rates according to the band */ |
| 4602 | wl1271_set_band_rate(wl, wlvif); |
| 4603 | |
| 4604 | mutex_unlock(&wl->mutex); |
| 4605 | |
| 4606 | return 0; |
| 4607 | } |
| 4608 | |
| 4609 | static void wlcore_op_unassign_vif_chanctx(struct ieee80211_hw *hw, |
| 4610 | struct ieee80211_vif *vif, |
| 4611 | struct ieee80211_chanctx_conf *ctx) |
| 4612 | { |
| 4613 | struct wl1271 *wl = hw->priv; |
| 4614 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
| 4615 | |
| 4616 | wl1271_debug(DEBUG_MAC80211, |
| 4617 | "mac80211 unassign chanctx (role %d) %d (type %d)", |
| 4618 | wlvif->role_id, |
Luciano Coelho | aaabee8 | 2012-12-04 16:39:47 +0200 | [diff] [blame] | 4619 | ieee80211_frequency_to_channel(ctx->def.chan->center_freq), |
| 4620 | cfg80211_get_chandef_type(&ctx->def)); |
Eliad Peller | b6970ee | 2012-11-20 13:20:05 +0200 | [diff] [blame] | 4621 | |
| 4622 | wl1271_tx_flush(wl); |
| 4623 | } |
| 4624 | |
Eliad Peller | 8a3a3c8 | 2011-10-02 10:15:52 +0200 | [diff] [blame] | 4625 | static int wl1271_op_conf_tx(struct ieee80211_hw *hw, |
| 4626 | struct ieee80211_vif *vif, u16 queue, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4627 | const struct ieee80211_tx_queue_params *params) |
| 4628 | { |
| 4629 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 4630 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4631 | u8 ps_scheme; |
| 4632 | int ret = 0; |
| 4633 | |
| 4634 | mutex_lock(&wl->mutex); |
| 4635 | |
| 4636 | wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); |
| 4637 | |
| 4638 | if (params->uapsd) |
| 4639 | ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER; |
| 4640 | else |
| 4641 | ps_scheme = CONF_PS_SCHEME_LEGACY; |
| 4642 | |
Eliad Peller | 5b37ddf | 2011-12-18 20:25:40 +0200 | [diff] [blame] | 4643 | if (!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 4644 | goto out; |
Arik Nemtsov | 488fc54 | 2010-10-16 20:33:45 +0200 | [diff] [blame] | 4645 | |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 4646 | ret = wl1271_ps_elp_wakeup(wl); |
| 4647 | if (ret < 0) |
| 4648 | goto out; |
Arik Nemtsov | 488fc54 | 2010-10-16 20:33:45 +0200 | [diff] [blame] | 4649 | |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 4650 | /* |
| 4651 | * the txop is confed in units of 32us by the mac80211, |
| 4652 | * we need us |
| 4653 | */ |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 4654 | ret = wl1271_acx_ac_cfg(wl, wlvif, wl1271_tx_get_queue(queue), |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 4655 | params->cw_min, params->cw_max, |
| 4656 | params->aifs, params->txop << 5); |
| 4657 | if (ret < 0) |
| 4658 | goto out_sleep; |
| 4659 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 4660 | ret = wl1271_acx_tid_cfg(wl, wlvif, wl1271_tx_get_queue(queue), |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 4661 | CONF_CHANNEL_TYPE_EDCF, |
| 4662 | wl1271_tx_get_queue(queue), |
| 4663 | ps_scheme, CONF_ACK_POLICY_LEGACY, |
| 4664 | 0, 0); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4665 | |
| 4666 | out_sleep: |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 4667 | wl1271_ps_elp_sleep(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4668 | |
| 4669 | out: |
| 4670 | mutex_unlock(&wl->mutex); |
| 4671 | |
| 4672 | return ret; |
| 4673 | } |
| 4674 | |
Eliad Peller | 37a41b4 | 2011-09-21 14:06:11 +0300 | [diff] [blame] | 4675 | static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw, |
| 4676 | struct ieee80211_vif *vif) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4677 | { |
| 4678 | |
| 4679 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 9c53114 | 2012-01-31 11:57:18 +0200 | [diff] [blame] | 4680 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4681 | u64 mactime = ULLONG_MAX; |
| 4682 | int ret; |
| 4683 | |
| 4684 | wl1271_debug(DEBUG_MAC80211, "mac80211 get tsf"); |
| 4685 | |
| 4686 | mutex_lock(&wl->mutex); |
| 4687 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 4688 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4689 | goto out; |
| 4690 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 4691 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4692 | if (ret < 0) |
| 4693 | goto out; |
| 4694 | |
Eliad Peller | 9c53114 | 2012-01-31 11:57:18 +0200 | [diff] [blame] | 4695 | ret = wl12xx_acx_tsf_info(wl, wlvif, &mactime); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4696 | if (ret < 0) |
| 4697 | goto out_sleep; |
| 4698 | |
| 4699 | out_sleep: |
| 4700 | wl1271_ps_elp_sleep(wl); |
| 4701 | |
| 4702 | out: |
| 4703 | mutex_unlock(&wl->mutex); |
| 4704 | return mactime; |
| 4705 | } |
| 4706 | |
| 4707 | static int wl1271_op_get_survey(struct ieee80211_hw *hw, int idx, |
| 4708 | struct survey_info *survey) |
| 4709 | { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4710 | struct ieee80211_conf *conf = &hw->conf; |
| 4711 | |
| 4712 | if (idx != 0) |
| 4713 | return -ENOENT; |
| 4714 | |
Karl Beldan | 675a0b0 | 2013-03-25 16:26:57 +0100 | [diff] [blame] | 4715 | survey->channel = conf->chandef.chan; |
Yoni Divinsky | add779a0 | 2012-06-13 18:56:54 +0300 | [diff] [blame] | 4716 | survey->filled = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4717 | return 0; |
| 4718 | } |
| 4719 | |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 4720 | static int wl1271_allocate_sta(struct wl1271 *wl, |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4721 | struct wl12xx_vif *wlvif, |
| 4722 | struct ieee80211_sta *sta) |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4723 | { |
| 4724 | struct wl1271_station *wl_sta; |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4725 | int ret; |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4726 | |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4727 | |
Eliad Peller | 32f0fd5 | 2014-02-10 13:47:23 +0200 | [diff] [blame] | 4728 | if (wl->active_sta_count >= wl->max_ap_stations) { |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4729 | wl1271_warning("could not allocate HLID - too much stations"); |
| 4730 | return -EBUSY; |
| 4731 | } |
| 4732 | |
| 4733 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4734 | ret = wl12xx_allocate_link(wl, wlvif, &wl_sta->hlid); |
| 4735 | if (ret < 0) { |
| 4736 | wl1271_warning("could not allocate HLID - too many links"); |
| 4737 | return -EBUSY; |
| 4738 | } |
| 4739 | |
Arik Nemtsov | 0e752df | 2013-03-12 17:19:44 +0200 | [diff] [blame] | 4740 | /* use the previous security seq, if this is a recovery/resume */ |
| 4741 | wl->links[wl_sta->hlid].total_freed_pkts = wl_sta->total_freed_pkts; |
| 4742 | |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4743 | set_bit(wl_sta->hlid, wlvif->ap.sta_hlid_map); |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 4744 | memcpy(wl->links[wl_sta->hlid].addr, sta->addr, ETH_ALEN); |
Arik Nemtsov | da03209 | 2011-08-25 12:43:15 +0300 | [diff] [blame] | 4745 | wl->active_sta_count++; |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4746 | return 0; |
| 4747 | } |
| 4748 | |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4749 | void wl1271_free_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid) |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4750 | { |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4751 | if (!test_bit(hlid, wlvif->ap.sta_hlid_map)) |
Arik Nemtsov | f1acea9 | 2011-08-25 12:43:17 +0300 | [diff] [blame] | 4752 | return; |
| 4753 | |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4754 | clear_bit(hlid, wlvif->ap.sta_hlid_map); |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 4755 | __clear_bit(hlid, &wl->ap_ps_map); |
| 4756 | __clear_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); |
Arik Nemtsov | 0e752df | 2013-03-12 17:19:44 +0200 | [diff] [blame] | 4757 | |
| 4758 | /* |
| 4759 | * save the last used PN in the private part of iee80211_sta, |
| 4760 | * in case of recovery/suspend |
| 4761 | */ |
Eliad Peller | 50d26aa | 2014-07-11 03:01:26 +0300 | [diff] [blame] | 4762 | wlcore_save_freed_pkts_addr(wl, wlvif, hlid, wl->links[hlid].addr); |
Arik Nemtsov | 0e752df | 2013-03-12 17:19:44 +0200 | [diff] [blame] | 4763 | |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4764 | wl12xx_free_link(wl, wlvif, &hlid); |
Arik Nemtsov | da03209 | 2011-08-25 12:43:15 +0300 | [diff] [blame] | 4765 | wl->active_sta_count--; |
Arik Nemtsov | 55df5af | 2012-03-03 22:18:00 +0200 | [diff] [blame] | 4766 | |
| 4767 | /* |
| 4768 | * rearm the tx watchdog when the last STA is freed - give the FW a |
| 4769 | * chance to return STA-buffered packets before complaining. |
| 4770 | */ |
| 4771 | if (wl->active_sta_count == 0) |
| 4772 | wl12xx_rearm_tx_watchdog_locked(wl); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4773 | } |
| 4774 | |
Eliad Peller | 2d6cf2b | 2012-03-04 10:55:47 +0200 | [diff] [blame] | 4775 | static int wl12xx_sta_add(struct wl1271 *wl, |
| 4776 | struct wl12xx_vif *wlvif, |
| 4777 | struct ieee80211_sta *sta) |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4778 | { |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4779 | struct wl1271_station *wl_sta; |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4780 | int ret = 0; |
| 4781 | u8 hlid; |
| 4782 | |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4783 | wl1271_debug(DEBUG_MAC80211, "mac80211 add sta %d", (int)sta->aid); |
| 4784 | |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4785 | ret = wl1271_allocate_sta(wl, wlvif, sta); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4786 | if (ret < 0) |
Eliad Peller | 2d6cf2b | 2012-03-04 10:55:47 +0200 | [diff] [blame] | 4787 | return ret; |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4788 | |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4789 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
| 4790 | hlid = wl_sta->hlid; |
| 4791 | |
Eliad Peller | 1b92f15 | 2011-10-10 10:13:09 +0200 | [diff] [blame] | 4792 | ret = wl12xx_cmd_add_peer(wl, wlvif, sta, hlid); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4793 | if (ret < 0) |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4794 | wl1271_free_sta(wl, wlvif, hlid); |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 4795 | |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4796 | return ret; |
| 4797 | } |
| 4798 | |
Eliad Peller | 2d6cf2b | 2012-03-04 10:55:47 +0200 | [diff] [blame] | 4799 | static int wl12xx_sta_remove(struct wl1271 *wl, |
| 4800 | struct wl12xx_vif *wlvif, |
| 4801 | struct ieee80211_sta *sta) |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4802 | { |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4803 | struct wl1271_station *wl_sta; |
| 4804 | int ret = 0, id; |
| 4805 | |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4806 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove sta %d", (int)sta->aid); |
| 4807 | |
| 4808 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4809 | id = wl_sta->hlid; |
| 4810 | if (WARN_ON(!test_bit(id, wlvif->ap.sta_hlid_map))) |
Eliad Peller | 2d6cf2b | 2012-03-04 10:55:47 +0200 | [diff] [blame] | 4811 | return -EINVAL; |
| 4812 | |
Eliad Peller | 028e724 | 2014-02-10 13:47:25 +0200 | [diff] [blame] | 4813 | ret = wl12xx_cmd_remove_peer(wl, wlvif, wl_sta->hlid); |
Eliad Peller | 2d6cf2b | 2012-03-04 10:55:47 +0200 | [diff] [blame] | 4814 | if (ret < 0) |
| 4815 | return ret; |
| 4816 | |
| 4817 | wl1271_free_sta(wl, wlvif, wl_sta->hlid); |
| 4818 | return ret; |
| 4819 | } |
| 4820 | |
Eliad Peller | 426001a | 2012-11-26 18:05:45 +0200 | [diff] [blame] | 4821 | static void wlcore_roc_if_possible(struct wl1271 *wl, |
| 4822 | struct wl12xx_vif *wlvif) |
| 4823 | { |
| 4824 | if (find_first_bit(wl->roc_map, |
| 4825 | WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES) |
| 4826 | return; |
| 4827 | |
| 4828 | if (WARN_ON(wlvif->role_id == WL12XX_INVALID_ROLE_ID)) |
| 4829 | return; |
| 4830 | |
| 4831 | wl12xx_roc(wl, wlvif, wlvif->role_id, wlvif->band, wlvif->channel); |
| 4832 | } |
| 4833 | |
Arik Nemtsov | 187e52c | 2013-09-17 18:41:20 +0300 | [diff] [blame] | 4834 | /* |
| 4835 | * when wl_sta is NULL, we treat this call as if coming from a |
| 4836 | * pending auth reply. |
| 4837 | * wl->mutex must be taken and the FW must be awake when the call |
| 4838 | * takes place. |
| 4839 | */ |
| 4840 | void wlcore_update_inconn_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
| 4841 | struct wl1271_station *wl_sta, bool in_conn) |
Eliad Peller | 426001a | 2012-11-26 18:05:45 +0200 | [diff] [blame] | 4842 | { |
Arik Nemtsov | 187e52c | 2013-09-17 18:41:20 +0300 | [diff] [blame] | 4843 | if (in_conn) { |
| 4844 | if (WARN_ON(wl_sta && wl_sta->in_connection)) |
Eliad Peller | 426001a | 2012-11-26 18:05:45 +0200 | [diff] [blame] | 4845 | return; |
Arik Nemtsov | 187e52c | 2013-09-17 18:41:20 +0300 | [diff] [blame] | 4846 | |
| 4847 | if (!wlvif->ap_pending_auth_reply && |
| 4848 | !wlvif->inconn_count) |
Eliad Peller | 426001a | 2012-11-26 18:05:45 +0200 | [diff] [blame] | 4849 | wlcore_roc_if_possible(wl, wlvif); |
Arik Nemtsov | 187e52c | 2013-09-17 18:41:20 +0300 | [diff] [blame] | 4850 | |
| 4851 | if (wl_sta) { |
| 4852 | wl_sta->in_connection = true; |
| 4853 | wlvif->inconn_count++; |
| 4854 | } else { |
| 4855 | wlvif->ap_pending_auth_reply = true; |
| 4856 | } |
Eliad Peller | 426001a | 2012-11-26 18:05:45 +0200 | [diff] [blame] | 4857 | } else { |
Arik Nemtsov | 187e52c | 2013-09-17 18:41:20 +0300 | [diff] [blame] | 4858 | if (wl_sta && !wl_sta->in_connection) |
Eliad Peller | 426001a | 2012-11-26 18:05:45 +0200 | [diff] [blame] | 4859 | return; |
| 4860 | |
Arik Nemtsov | 187e52c | 2013-09-17 18:41:20 +0300 | [diff] [blame] | 4861 | if (WARN_ON(!wl_sta && !wlvif->ap_pending_auth_reply)) |
Eliad Peller | 426001a | 2012-11-26 18:05:45 +0200 | [diff] [blame] | 4862 | return; |
| 4863 | |
Arik Nemtsov | 187e52c | 2013-09-17 18:41:20 +0300 | [diff] [blame] | 4864 | if (WARN_ON(wl_sta && !wlvif->inconn_count)) |
| 4865 | return; |
| 4866 | |
| 4867 | if (wl_sta) { |
| 4868 | wl_sta->in_connection = false; |
| 4869 | wlvif->inconn_count--; |
| 4870 | } else { |
| 4871 | wlvif->ap_pending_auth_reply = false; |
| 4872 | } |
| 4873 | |
| 4874 | if (!wlvif->inconn_count && !wlvif->ap_pending_auth_reply && |
| 4875 | test_bit(wlvif->role_id, wl->roc_map)) |
| 4876 | wl12xx_croc(wl, wlvif->role_id); |
Eliad Peller | 426001a | 2012-11-26 18:05:45 +0200 | [diff] [blame] | 4877 | } |
| 4878 | } |
| 4879 | |
Eliad Peller | 2d6cf2b | 2012-03-04 10:55:47 +0200 | [diff] [blame] | 4880 | static int wl12xx_update_sta_state(struct wl1271 *wl, |
| 4881 | struct wl12xx_vif *wlvif, |
| 4882 | struct ieee80211_sta *sta, |
| 4883 | enum ieee80211_sta_state old_state, |
| 4884 | enum ieee80211_sta_state new_state) |
| 4885 | { |
| 4886 | struct wl1271_station *wl_sta; |
Eliad Peller | 2d6cf2b | 2012-03-04 10:55:47 +0200 | [diff] [blame] | 4887 | bool is_ap = wlvif->bss_type == BSS_TYPE_AP_BSS; |
| 4888 | bool is_sta = wlvif->bss_type == BSS_TYPE_STA_BSS; |
| 4889 | int ret; |
| 4890 | |
| 4891 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
Eliad Peller | 2d6cf2b | 2012-03-04 10:55:47 +0200 | [diff] [blame] | 4892 | |
| 4893 | /* Add station (AP mode) */ |
| 4894 | if (is_ap && |
| 4895 | old_state == IEEE80211_STA_NOTEXIST && |
Eliad Peller | 2993626 | 2012-11-20 13:20:06 +0200 | [diff] [blame] | 4896 | new_state == IEEE80211_STA_NONE) { |
| 4897 | ret = wl12xx_sta_add(wl, wlvif, sta); |
| 4898 | if (ret) |
| 4899 | return ret; |
Eliad Peller | 426001a | 2012-11-26 18:05:45 +0200 | [diff] [blame] | 4900 | |
| 4901 | wlcore_update_inconn_sta(wl, wlvif, wl_sta, true); |
Eliad Peller | 2993626 | 2012-11-20 13:20:06 +0200 | [diff] [blame] | 4902 | } |
Eliad Peller | 2d6cf2b | 2012-03-04 10:55:47 +0200 | [diff] [blame] | 4903 | |
| 4904 | /* Remove station (AP mode) */ |
| 4905 | if (is_ap && |
| 4906 | old_state == IEEE80211_STA_NONE && |
| 4907 | new_state == IEEE80211_STA_NOTEXIST) { |
| 4908 | /* must not fail */ |
| 4909 | wl12xx_sta_remove(wl, wlvif, sta); |
Eliad Peller | 426001a | 2012-11-26 18:05:45 +0200 | [diff] [blame] | 4910 | |
| 4911 | wlcore_update_inconn_sta(wl, wlvif, wl_sta, false); |
Eliad Peller | 2d6cf2b | 2012-03-04 10:55:47 +0200 | [diff] [blame] | 4912 | } |
| 4913 | |
| 4914 | /* Authorize station (AP mode) */ |
| 4915 | if (is_ap && |
| 4916 | new_state == IEEE80211_STA_AUTHORIZED) { |
Arik Nemtsov | 2fec3d2 | 2013-03-12 17:19:37 +0200 | [diff] [blame] | 4917 | ret = wl12xx_cmd_set_peer_state(wl, wlvif, wl_sta->hlid); |
Eliad Peller | 2d6cf2b | 2012-03-04 10:55:47 +0200 | [diff] [blame] | 4918 | if (ret < 0) |
| 4919 | return ret; |
| 4920 | |
| 4921 | ret = wl1271_acx_set_ht_capabilities(wl, &sta->ht_cap, true, |
Arik Nemtsov | 2fec3d2 | 2013-03-12 17:19:37 +0200 | [diff] [blame] | 4922 | wl_sta->hlid); |
Eliad Peller | 2993626 | 2012-11-20 13:20:06 +0200 | [diff] [blame] | 4923 | if (ret) |
| 4924 | return ret; |
Eliad Peller | 426001a | 2012-11-26 18:05:45 +0200 | [diff] [blame] | 4925 | |
| 4926 | wlcore_update_inconn_sta(wl, wlvif, wl_sta, false); |
Eliad Peller | 2d6cf2b | 2012-03-04 10:55:47 +0200 | [diff] [blame] | 4927 | } |
| 4928 | |
Eliad Peller | 9fd6f21 | 2012-03-04 10:55:48 +0200 | [diff] [blame] | 4929 | /* Authorize station */ |
| 4930 | if (is_sta && |
| 4931 | new_state == IEEE80211_STA_AUTHORIZED) { |
| 4932 | set_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags); |
Eliad Peller | 2993626 | 2012-11-20 13:20:06 +0200 | [diff] [blame] | 4933 | ret = wl12xx_set_authorized(wl, wlvif); |
| 4934 | if (ret) |
| 4935 | return ret; |
Eliad Peller | 9fd6f21 | 2012-03-04 10:55:48 +0200 | [diff] [blame] | 4936 | } |
| 4937 | |
| 4938 | if (is_sta && |
| 4939 | old_state == IEEE80211_STA_AUTHORIZED && |
| 4940 | new_state == IEEE80211_STA_ASSOC) { |
| 4941 | clear_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags); |
Eliad Peller | 3230f35 | 2012-11-20 13:20:01 +0200 | [diff] [blame] | 4942 | clear_bit(WLVIF_FLAG_STA_STATE_SENT, &wlvif->flags); |
Eliad Peller | 9fd6f21 | 2012-03-04 10:55:48 +0200 | [diff] [blame] | 4943 | } |
| 4944 | |
Eliad Peller | 50d26aa | 2014-07-11 03:01:26 +0300 | [diff] [blame] | 4945 | /* save seq number on disassoc (suspend) */ |
| 4946 | if (is_sta && |
| 4947 | old_state == IEEE80211_STA_ASSOC && |
| 4948 | new_state == IEEE80211_STA_AUTH) { |
| 4949 | wlcore_save_freed_pkts(wl, wlvif, wlvif->sta.hlid, sta); |
| 4950 | wlvif->total_freed_pkts = 0; |
| 4951 | } |
| 4952 | |
| 4953 | /* restore seq number on assoc (resume) */ |
| 4954 | if (is_sta && |
| 4955 | old_state == IEEE80211_STA_AUTH && |
| 4956 | new_state == IEEE80211_STA_ASSOC) { |
| 4957 | wlvif->total_freed_pkts = wl_sta->total_freed_pkts; |
| 4958 | } |
| 4959 | |
Eliad Peller | 2993626 | 2012-11-20 13:20:06 +0200 | [diff] [blame] | 4960 | /* clear ROCs on failure or authorization */ |
| 4961 | if (is_sta && |
| 4962 | (new_state == IEEE80211_STA_AUTHORIZED || |
| 4963 | new_state == IEEE80211_STA_NOTEXIST)) { |
| 4964 | if (test_bit(wlvif->role_id, wl->roc_map)) |
| 4965 | wl12xx_croc(wl, wlvif->role_id); |
| 4966 | } |
| 4967 | |
| 4968 | if (is_sta && |
| 4969 | old_state == IEEE80211_STA_NOTEXIST && |
| 4970 | new_state == IEEE80211_STA_NONE) { |
| 4971 | if (find_first_bit(wl->roc_map, |
| 4972 | WL12XX_MAX_ROLES) >= WL12XX_MAX_ROLES) { |
| 4973 | WARN_ON(wlvif->role_id == WL12XX_INVALID_ROLE_ID); |
| 4974 | wl12xx_roc(wl, wlvif, wlvif->role_id, |
| 4975 | wlvif->band, wlvif->channel); |
| 4976 | } |
| 4977 | } |
Eliad Peller | 2d6cf2b | 2012-03-04 10:55:47 +0200 | [diff] [blame] | 4978 | return 0; |
| 4979 | } |
| 4980 | |
| 4981 | static int wl12xx_op_sta_state(struct ieee80211_hw *hw, |
| 4982 | struct ieee80211_vif *vif, |
| 4983 | struct ieee80211_sta *sta, |
| 4984 | enum ieee80211_sta_state old_state, |
| 4985 | enum ieee80211_sta_state new_state) |
| 4986 | { |
| 4987 | struct wl1271 *wl = hw->priv; |
| 4988 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
| 4989 | int ret; |
| 4990 | |
| 4991 | wl1271_debug(DEBUG_MAC80211, "mac80211 sta %d state=%d->%d", |
| 4992 | sta->aid, old_state, new_state); |
| 4993 | |
| 4994 | mutex_lock(&wl->mutex); |
| 4995 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 4996 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
Eliad Peller | 2d6cf2b | 2012-03-04 10:55:47 +0200 | [diff] [blame] | 4997 | ret = -EBUSY; |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4998 | goto out; |
Eliad Peller | 2d6cf2b | 2012-03-04 10:55:47 +0200 | [diff] [blame] | 4999 | } |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 5000 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 5001 | ret = wl1271_ps_elp_wakeup(wl); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 5002 | if (ret < 0) |
| 5003 | goto out; |
| 5004 | |
Eliad Peller | 2d6cf2b | 2012-03-04 10:55:47 +0200 | [diff] [blame] | 5005 | ret = wl12xx_update_sta_state(wl, wlvif, sta, old_state, new_state); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 5006 | |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 5007 | wl1271_ps_elp_sleep(wl); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 5008 | out: |
| 5009 | mutex_unlock(&wl->mutex); |
Eliad Peller | 2d6cf2b | 2012-03-04 10:55:47 +0200 | [diff] [blame] | 5010 | if (new_state < old_state) |
| 5011 | return 0; |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 5012 | return ret; |
| 5013 | } |
| 5014 | |
Luciano Coelho | 4623ec7 | 2011-03-21 19:26:41 +0200 | [diff] [blame] | 5015 | static int wl1271_op_ampdu_action(struct ieee80211_hw *hw, |
| 5016 | struct ieee80211_vif *vif, |
| 5017 | enum ieee80211_ampdu_mlme_action action, |
| 5018 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, |
| 5019 | u8 buf_size) |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 5020 | { |
| 5021 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 5022 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 5023 | int ret; |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 5024 | u8 hlid, *ba_bitmap; |
| 5025 | |
| 5026 | wl1271_debug(DEBUG_MAC80211, "mac80211 ampdu action %d tid %d", action, |
| 5027 | tid); |
| 5028 | |
| 5029 | /* sanity check - the fields in FW are only 8bits wide */ |
| 5030 | if (WARN_ON(tid > 0xFF)) |
| 5031 | return -ENOTSUPP; |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 5032 | |
| 5033 | mutex_lock(&wl->mutex); |
| 5034 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 5035 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 5036 | ret = -EAGAIN; |
| 5037 | goto out; |
| 5038 | } |
| 5039 | |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 5040 | if (wlvif->bss_type == BSS_TYPE_STA_BSS) { |
Eliad Peller | 154da67 | 2011-10-05 11:55:53 +0200 | [diff] [blame] | 5041 | hlid = wlvif->sta.hlid; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 5042 | } else if (wlvif->bss_type == BSS_TYPE_AP_BSS) { |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 5043 | struct wl1271_station *wl_sta; |
| 5044 | |
| 5045 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
| 5046 | hlid = wl_sta->hlid; |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 5047 | } else { |
| 5048 | ret = -EINVAL; |
| 5049 | goto out; |
| 5050 | } |
| 5051 | |
Arik Nemtsov | 9ae5d8d | 2012-11-28 11:42:45 +0200 | [diff] [blame] | 5052 | ba_bitmap = &wl->links[hlid].ba_bitmap; |
| 5053 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 5054 | ret = wl1271_ps_elp_wakeup(wl); |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 5055 | if (ret < 0) |
| 5056 | goto out; |
| 5057 | |
Shahar Levi | 70559a0 | 2011-05-22 16:10:22 +0300 | [diff] [blame] | 5058 | wl1271_debug(DEBUG_MAC80211, "mac80211 ampdu: Rx tid %d action %d", |
| 5059 | tid, action); |
| 5060 | |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 5061 | switch (action) { |
| 5062 | case IEEE80211_AMPDU_RX_START: |
Eliad Peller | d0802ab | 2011-10-05 11:56:04 +0200 | [diff] [blame] | 5063 | if (!wlvif->ba_support || !wlvif->ba_allowed) { |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 5064 | ret = -ENOTSUPP; |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 5065 | break; |
| 5066 | } |
| 5067 | |
Igal Chernobelsky | d21553f | 2013-03-12 17:19:35 +0200 | [diff] [blame] | 5068 | if (wl->ba_rx_session_count >= wl->ba_rx_session_count_max) { |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 5069 | ret = -EBUSY; |
| 5070 | wl1271_error("exceeded max RX BA sessions"); |
| 5071 | break; |
| 5072 | } |
| 5073 | |
| 5074 | if (*ba_bitmap & BIT(tid)) { |
| 5075 | ret = -EINVAL; |
| 5076 | wl1271_error("cannot enable RX BA session on active " |
| 5077 | "tid: %d", tid); |
| 5078 | break; |
| 5079 | } |
| 5080 | |
| 5081 | ret = wl12xx_acx_set_ba_receiver_session(wl, tid, *ssn, true, |
| 5082 | hlid); |
| 5083 | if (!ret) { |
| 5084 | *ba_bitmap |= BIT(tid); |
| 5085 | wl->ba_rx_session_count++; |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 5086 | } |
| 5087 | break; |
| 5088 | |
| 5089 | case IEEE80211_AMPDU_RX_STOP: |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 5090 | if (!(*ba_bitmap & BIT(tid))) { |
Arik Nemtsov | c954910 | 2012-06-06 10:48:56 +0300 | [diff] [blame] | 5091 | /* |
| 5092 | * this happens on reconfig - so only output a debug |
| 5093 | * message for now, and don't fail the function. |
| 5094 | */ |
| 5095 | wl1271_debug(DEBUG_MAC80211, |
| 5096 | "no active RX BA session on tid: %d", |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 5097 | tid); |
Arik Nemtsov | c954910 | 2012-06-06 10:48:56 +0300 | [diff] [blame] | 5098 | ret = 0; |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 5099 | break; |
| 5100 | } |
| 5101 | |
| 5102 | ret = wl12xx_acx_set_ba_receiver_session(wl, tid, 0, false, |
| 5103 | hlid); |
| 5104 | if (!ret) { |
| 5105 | *ba_bitmap &= ~BIT(tid); |
| 5106 | wl->ba_rx_session_count--; |
| 5107 | } |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 5108 | break; |
| 5109 | |
| 5110 | /* |
| 5111 | * The BA initiator session management in FW independently. |
| 5112 | * Falling break here on purpose for all TX APDU commands. |
| 5113 | */ |
| 5114 | case IEEE80211_AMPDU_TX_START: |
Johannes Berg | 18b559d | 2012-07-18 13:51:25 +0200 | [diff] [blame] | 5115 | case IEEE80211_AMPDU_TX_STOP_CONT: |
| 5116 | case IEEE80211_AMPDU_TX_STOP_FLUSH: |
| 5117 | case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 5118 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
| 5119 | ret = -EINVAL; |
| 5120 | break; |
| 5121 | |
| 5122 | default: |
| 5123 | wl1271_error("Incorrect ampdu action id=%x\n", action); |
| 5124 | ret = -EINVAL; |
| 5125 | } |
| 5126 | |
| 5127 | wl1271_ps_elp_sleep(wl); |
| 5128 | |
| 5129 | out: |
| 5130 | mutex_unlock(&wl->mutex); |
| 5131 | |
| 5132 | return ret; |
| 5133 | } |
| 5134 | |
Eliad Peller | af7fbb2 | 2011-09-19 13:51:42 +0300 | [diff] [blame] | 5135 | static int wl12xx_set_bitrate_mask(struct ieee80211_hw *hw, |
| 5136 | struct ieee80211_vif *vif, |
| 5137 | const struct cfg80211_bitrate_mask *mask) |
| 5138 | { |
Eliad Peller | 8358750 | 2011-10-10 10:12:53 +0200 | [diff] [blame] | 5139 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Eliad Peller | af7fbb2 | 2011-09-19 13:51:42 +0300 | [diff] [blame] | 5140 | struct wl1271 *wl = hw->priv; |
Eliad Peller | d6fa37c | 2011-10-11 11:57:39 +0200 | [diff] [blame] | 5141 | int i, ret = 0; |
Eliad Peller | af7fbb2 | 2011-09-19 13:51:42 +0300 | [diff] [blame] | 5142 | |
| 5143 | wl1271_debug(DEBUG_MAC80211, "mac80211 set_bitrate_mask 0x%x 0x%x", |
| 5144 | mask->control[NL80211_BAND_2GHZ].legacy, |
| 5145 | mask->control[NL80211_BAND_5GHZ].legacy); |
| 5146 | |
| 5147 | mutex_lock(&wl->mutex); |
| 5148 | |
Arik Nemtsov | 091185d | 2012-07-03 09:11:03 +0300 | [diff] [blame] | 5149 | for (i = 0; i < WLCORE_NUM_BANDS; i++) |
Eliad Peller | 8358750 | 2011-10-10 10:12:53 +0200 | [diff] [blame] | 5150 | wlvif->bitrate_masks[i] = |
Eliad Peller | af7fbb2 | 2011-09-19 13:51:42 +0300 | [diff] [blame] | 5151 | wl1271_tx_enabled_rates_get(wl, |
| 5152 | mask->control[i].legacy, |
| 5153 | i); |
Eliad Peller | d6fa37c | 2011-10-11 11:57:39 +0200 | [diff] [blame] | 5154 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 5155 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
Eliad Peller | d6fa37c | 2011-10-11 11:57:39 +0200 | [diff] [blame] | 5156 | goto out; |
| 5157 | |
| 5158 | if (wlvif->bss_type == BSS_TYPE_STA_BSS && |
| 5159 | !test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) { |
| 5160 | |
| 5161 | ret = wl1271_ps_elp_wakeup(wl); |
| 5162 | if (ret < 0) |
| 5163 | goto out; |
| 5164 | |
| 5165 | wl1271_set_band_rate(wl, wlvif); |
| 5166 | wlvif->basic_rate = |
| 5167 | wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); |
| 5168 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); |
| 5169 | |
| 5170 | wl1271_ps_elp_sleep(wl); |
| 5171 | } |
| 5172 | out: |
Eliad Peller | af7fbb2 | 2011-09-19 13:51:42 +0300 | [diff] [blame] | 5173 | mutex_unlock(&wl->mutex); |
| 5174 | |
Eliad Peller | d6fa37c | 2011-10-11 11:57:39 +0200 | [diff] [blame] | 5175 | return ret; |
Eliad Peller | af7fbb2 | 2011-09-19 13:51:42 +0300 | [diff] [blame] | 5176 | } |
| 5177 | |
Shahar Levi | 6d158ff | 2011-09-08 13:01:33 +0300 | [diff] [blame] | 5178 | static void wl12xx_op_channel_switch(struct ieee80211_hw *hw, |
| 5179 | struct ieee80211_channel_switch *ch_switch) |
| 5180 | { |
| 5181 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 52630c5 | 2011-10-10 10:13:08 +0200 | [diff] [blame] | 5182 | struct wl12xx_vif *wlvif; |
Shahar Levi | 6d158ff | 2011-09-08 13:01:33 +0300 | [diff] [blame] | 5183 | int ret; |
| 5184 | |
| 5185 | wl1271_debug(DEBUG_MAC80211, "mac80211 channel switch"); |
| 5186 | |
Arik Nemtsov | b9239b6 | 2012-02-28 00:41:33 +0200 | [diff] [blame] | 5187 | wl1271_tx_flush(wl); |
| 5188 | |
Shahar Levi | 6d158ff | 2011-09-08 13:01:33 +0300 | [diff] [blame] | 5189 | mutex_lock(&wl->mutex); |
| 5190 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 5191 | if (unlikely(wl->state == WLCORE_STATE_OFF)) { |
Eliad Peller | 6e8cd33 | 2011-10-10 10:13:13 +0200 | [diff] [blame] | 5192 | wl12xx_for_each_wlvif_sta(wl, wlvif) { |
| 5193 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
| 5194 | ieee80211_chswitch_done(vif, false); |
| 5195 | } |
| 5196 | goto out; |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 5197 | } else if (unlikely(wl->state != WLCORE_STATE_ON)) { |
| 5198 | goto out; |
Shahar Levi | 6d158ff | 2011-09-08 13:01:33 +0300 | [diff] [blame] | 5199 | } |
| 5200 | |
| 5201 | ret = wl1271_ps_elp_wakeup(wl); |
| 5202 | if (ret < 0) |
| 5203 | goto out; |
| 5204 | |
Eliad Peller | 52630c5 | 2011-10-10 10:13:08 +0200 | [diff] [blame] | 5205 | /* TODO: change mac80211 to pass vif as param */ |
| 5206 | wl12xx_for_each_wlvif_sta(wl, wlvif) { |
Eliad Peller | c50a282 | 2012-11-22 18:06:19 +0200 | [diff] [blame] | 5207 | unsigned long delay_usec; |
Shahar Levi | 6d158ff | 2011-09-08 13:01:33 +0300 | [diff] [blame] | 5208 | |
Eliad Peller | fcab189 | 2012-11-22 18:06:18 +0200 | [diff] [blame] | 5209 | ret = wl->ops->channel_switch(wl, wlvif, ch_switch); |
Eliad Peller | c50a282 | 2012-11-22 18:06:19 +0200 | [diff] [blame] | 5210 | if (ret) |
| 5211 | goto out_sleep; |
| 5212 | |
| 5213 | set_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags); |
| 5214 | |
| 5215 | /* indicate failure 5 seconds after channel switch time */ |
| 5216 | delay_usec = ieee80211_tu_to_usec(wlvif->beacon_int) * |
| 5217 | ch_switch->count; |
| 5218 | ieee80211_queue_delayed_work(hw, &wlvif->channel_switch_work, |
| 5219 | usecs_to_jiffies(delay_usec) + |
| 5220 | msecs_to_jiffies(5000)); |
Eliad Peller | 52630c5 | 2011-10-10 10:13:08 +0200 | [diff] [blame] | 5221 | } |
Shahar Levi | 6d158ff | 2011-09-08 13:01:33 +0300 | [diff] [blame] | 5222 | |
Eliad Peller | c50a282 | 2012-11-22 18:06:19 +0200 | [diff] [blame] | 5223 | out_sleep: |
Shahar Levi | 6d158ff | 2011-09-08 13:01:33 +0300 | [diff] [blame] | 5224 | wl1271_ps_elp_sleep(wl); |
| 5225 | |
| 5226 | out: |
| 5227 | mutex_unlock(&wl->mutex); |
| 5228 | } |
| 5229 | |
Emmanuel Grumbach | 77be2c5 | 2014-03-27 11:30:29 +0200 | [diff] [blame] | 5230 | static void wlcore_op_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 5231 | u32 queues, bool drop) |
Eliad Peller | d8ae5a2 | 2012-06-25 13:52:33 +0300 | [diff] [blame] | 5232 | { |
| 5233 | struct wl1271 *wl = hw->priv; |
| 5234 | |
| 5235 | wl1271_tx_flush(wl); |
| 5236 | } |
| 5237 | |
Eliad Peller | dabf37d | 2012-11-20 13:20:03 +0200 | [diff] [blame] | 5238 | static int wlcore_op_remain_on_channel(struct ieee80211_hw *hw, |
| 5239 | struct ieee80211_vif *vif, |
| 5240 | struct ieee80211_channel *chan, |
Ilan Peer | d339d5c | 2013-02-12 09:34:13 +0200 | [diff] [blame] | 5241 | int duration, |
| 5242 | enum ieee80211_roc_type type) |
Eliad Peller | dabf37d | 2012-11-20 13:20:03 +0200 | [diff] [blame] | 5243 | { |
| 5244 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
| 5245 | struct wl1271 *wl = hw->priv; |
| 5246 | int channel, ret = 0; |
| 5247 | |
| 5248 | channel = ieee80211_frequency_to_channel(chan->center_freq); |
| 5249 | |
| 5250 | wl1271_debug(DEBUG_MAC80211, "mac80211 roc %d (%d)", |
| 5251 | channel, wlvif->role_id); |
| 5252 | |
| 5253 | mutex_lock(&wl->mutex); |
| 5254 | |
| 5255 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
| 5256 | goto out; |
| 5257 | |
| 5258 | /* return EBUSY if we can't ROC right now */ |
| 5259 | if (WARN_ON(wl->roc_vif || |
| 5260 | find_first_bit(wl->roc_map, |
| 5261 | WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES)) { |
| 5262 | ret = -EBUSY; |
| 5263 | goto out; |
| 5264 | } |
| 5265 | |
| 5266 | ret = wl1271_ps_elp_wakeup(wl); |
| 5267 | if (ret < 0) |
| 5268 | goto out; |
| 5269 | |
| 5270 | ret = wl12xx_start_dev(wl, wlvif, chan->band, channel); |
| 5271 | if (ret < 0) |
| 5272 | goto out_sleep; |
| 5273 | |
| 5274 | wl->roc_vif = vif; |
| 5275 | ieee80211_queue_delayed_work(hw, &wl->roc_complete_work, |
| 5276 | msecs_to_jiffies(duration)); |
| 5277 | out_sleep: |
| 5278 | wl1271_ps_elp_sleep(wl); |
| 5279 | out: |
| 5280 | mutex_unlock(&wl->mutex); |
| 5281 | return ret; |
| 5282 | } |
| 5283 | |
| 5284 | static int __wlcore_roc_completed(struct wl1271 *wl) |
| 5285 | { |
| 5286 | struct wl12xx_vif *wlvif; |
| 5287 | int ret; |
| 5288 | |
| 5289 | /* already completed */ |
| 5290 | if (unlikely(!wl->roc_vif)) |
| 5291 | return 0; |
| 5292 | |
| 5293 | wlvif = wl12xx_vif_to_data(wl->roc_vif); |
| 5294 | |
| 5295 | if (!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) |
| 5296 | return -EBUSY; |
| 5297 | |
| 5298 | ret = wl12xx_stop_dev(wl, wlvif); |
| 5299 | if (ret < 0) |
| 5300 | return ret; |
| 5301 | |
| 5302 | wl->roc_vif = NULL; |
| 5303 | |
| 5304 | return 0; |
| 5305 | } |
| 5306 | |
| 5307 | static int wlcore_roc_completed(struct wl1271 *wl) |
| 5308 | { |
| 5309 | int ret; |
| 5310 | |
| 5311 | wl1271_debug(DEBUG_MAC80211, "roc complete"); |
| 5312 | |
| 5313 | mutex_lock(&wl->mutex); |
| 5314 | |
| 5315 | if (unlikely(wl->state != WLCORE_STATE_ON)) { |
| 5316 | ret = -EBUSY; |
| 5317 | goto out; |
| 5318 | } |
| 5319 | |
| 5320 | ret = wl1271_ps_elp_wakeup(wl); |
| 5321 | if (ret < 0) |
| 5322 | goto out; |
| 5323 | |
| 5324 | ret = __wlcore_roc_completed(wl); |
| 5325 | |
| 5326 | wl1271_ps_elp_sleep(wl); |
| 5327 | out: |
| 5328 | mutex_unlock(&wl->mutex); |
| 5329 | |
| 5330 | return ret; |
| 5331 | } |
| 5332 | |
| 5333 | static void wlcore_roc_complete_work(struct work_struct *work) |
| 5334 | { |
| 5335 | struct delayed_work *dwork; |
| 5336 | struct wl1271 *wl; |
| 5337 | int ret; |
| 5338 | |
| 5339 | dwork = container_of(work, struct delayed_work, work); |
| 5340 | wl = container_of(dwork, struct wl1271, roc_complete_work); |
| 5341 | |
| 5342 | ret = wlcore_roc_completed(wl); |
| 5343 | if (!ret) |
| 5344 | ieee80211_remain_on_channel_expired(wl->hw); |
| 5345 | } |
| 5346 | |
| 5347 | static int wlcore_op_cancel_remain_on_channel(struct ieee80211_hw *hw) |
| 5348 | { |
| 5349 | struct wl1271 *wl = hw->priv; |
| 5350 | |
| 5351 | wl1271_debug(DEBUG_MAC80211, "mac80211 croc"); |
| 5352 | |
| 5353 | /* TODO: per-vif */ |
| 5354 | wl1271_tx_flush(wl); |
| 5355 | |
| 5356 | /* |
| 5357 | * we can't just flush_work here, because it might deadlock |
| 5358 | * (as we might get called from the same workqueue) |
| 5359 | */ |
| 5360 | cancel_delayed_work_sync(&wl->roc_complete_work); |
| 5361 | wlcore_roc_completed(wl); |
| 5362 | |
| 5363 | return 0; |
| 5364 | } |
| 5365 | |
Arik Nemtsov | 5f9b677 | 2012-11-26 18:05:41 +0200 | [diff] [blame] | 5366 | static void wlcore_op_sta_rc_update(struct ieee80211_hw *hw, |
| 5367 | struct ieee80211_vif *vif, |
| 5368 | struct ieee80211_sta *sta, |
| 5369 | u32 changed) |
| 5370 | { |
| 5371 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
| 5372 | struct wl1271 *wl = hw->priv; |
| 5373 | |
| 5374 | wlcore_hw_sta_rc_update(wl, wlvif, sta, changed); |
| 5375 | } |
| 5376 | |
Nadim Zubidat | 0a9ffac | 2013-03-12 17:19:39 +0200 | [diff] [blame] | 5377 | static int wlcore_op_get_rssi(struct ieee80211_hw *hw, |
| 5378 | struct ieee80211_vif *vif, |
| 5379 | struct ieee80211_sta *sta, |
| 5380 | s8 *rssi_dbm) |
| 5381 | { |
| 5382 | struct wl1271 *wl = hw->priv; |
| 5383 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
| 5384 | int ret = 0; |
| 5385 | |
| 5386 | wl1271_debug(DEBUG_MAC80211, "mac80211 get_rssi"); |
| 5387 | |
| 5388 | mutex_lock(&wl->mutex); |
| 5389 | |
| 5390 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
| 5391 | goto out; |
| 5392 | |
| 5393 | ret = wl1271_ps_elp_wakeup(wl); |
| 5394 | if (ret < 0) |
| 5395 | goto out_sleep; |
| 5396 | |
| 5397 | ret = wlcore_acx_average_rssi(wl, wlvif, rssi_dbm); |
| 5398 | if (ret < 0) |
| 5399 | goto out_sleep; |
| 5400 | |
| 5401 | out_sleep: |
| 5402 | wl1271_ps_elp_sleep(wl); |
| 5403 | |
| 5404 | out: |
| 5405 | mutex_unlock(&wl->mutex); |
| 5406 | |
| 5407 | return ret; |
| 5408 | } |
| 5409 | |
Arik Nemtsov | 3343789 | 2011-04-26 23:35:39 +0300 | [diff] [blame] | 5410 | static bool wl1271_tx_frames_pending(struct ieee80211_hw *hw) |
| 5411 | { |
| 5412 | struct wl1271 *wl = hw->priv; |
| 5413 | bool ret = false; |
| 5414 | |
| 5415 | mutex_lock(&wl->mutex); |
| 5416 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 5417 | if (unlikely(wl->state != WLCORE_STATE_ON)) |
Arik Nemtsov | 3343789 | 2011-04-26 23:35:39 +0300 | [diff] [blame] | 5418 | goto out; |
| 5419 | |
| 5420 | /* packets are considered pending if in the TX queue or the FW */ |
Arik Nemtsov | f1a4638 | 2011-07-07 14:25:23 +0300 | [diff] [blame] | 5421 | ret = (wl1271_tx_total_queue_count(wl) > 0) || (wl->tx_frames_cnt > 0); |
Arik Nemtsov | 3343789 | 2011-04-26 23:35:39 +0300 | [diff] [blame] | 5422 | out: |
| 5423 | mutex_unlock(&wl->mutex); |
| 5424 | |
| 5425 | return ret; |
| 5426 | } |
| 5427 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5428 | /* can't be const, mac80211 writes to this */ |
| 5429 | static struct ieee80211_rate wl1271_rates[] = { |
| 5430 | { .bitrate = 10, |
| 5431 | .hw_value = CONF_HW_BIT_RATE_1MBPS, |
| 5432 | .hw_value_short = CONF_HW_BIT_RATE_1MBPS, }, |
| 5433 | { .bitrate = 20, |
| 5434 | .hw_value = CONF_HW_BIT_RATE_2MBPS, |
| 5435 | .hw_value_short = CONF_HW_BIT_RATE_2MBPS, |
| 5436 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 5437 | { .bitrate = 55, |
| 5438 | .hw_value = CONF_HW_BIT_RATE_5_5MBPS, |
| 5439 | .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS, |
| 5440 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 5441 | { .bitrate = 110, |
| 5442 | .hw_value = CONF_HW_BIT_RATE_11MBPS, |
| 5443 | .hw_value_short = CONF_HW_BIT_RATE_11MBPS, |
| 5444 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 5445 | { .bitrate = 60, |
| 5446 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
| 5447 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, |
| 5448 | { .bitrate = 90, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 5449 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
| 5450 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5451 | { .bitrate = 120, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 5452 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
| 5453 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5454 | { .bitrate = 180, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 5455 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
| 5456 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5457 | { .bitrate = 240, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 5458 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
| 5459 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5460 | { .bitrate = 360, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 5461 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
| 5462 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5463 | { .bitrate = 480, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 5464 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
| 5465 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5466 | { .bitrate = 540, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 5467 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
| 5468 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5469 | }; |
| 5470 | |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 5471 | /* can't be const, mac80211 writes to this */ |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5472 | static struct ieee80211_channel wl1271_channels[] = { |
Victor Goldenshtein | 583f816 | 2012-11-27 08:44:55 +0200 | [diff] [blame] | 5473 | { .hw_value = 1, .center_freq = 2412, .max_power = WLCORE_MAX_TXPWR }, |
| 5474 | { .hw_value = 2, .center_freq = 2417, .max_power = WLCORE_MAX_TXPWR }, |
| 5475 | { .hw_value = 3, .center_freq = 2422, .max_power = WLCORE_MAX_TXPWR }, |
| 5476 | { .hw_value = 4, .center_freq = 2427, .max_power = WLCORE_MAX_TXPWR }, |
| 5477 | { .hw_value = 5, .center_freq = 2432, .max_power = WLCORE_MAX_TXPWR }, |
| 5478 | { .hw_value = 6, .center_freq = 2437, .max_power = WLCORE_MAX_TXPWR }, |
| 5479 | { .hw_value = 7, .center_freq = 2442, .max_power = WLCORE_MAX_TXPWR }, |
| 5480 | { .hw_value = 8, .center_freq = 2447, .max_power = WLCORE_MAX_TXPWR }, |
| 5481 | { .hw_value = 9, .center_freq = 2452, .max_power = WLCORE_MAX_TXPWR }, |
| 5482 | { .hw_value = 10, .center_freq = 2457, .max_power = WLCORE_MAX_TXPWR }, |
| 5483 | { .hw_value = 11, .center_freq = 2462, .max_power = WLCORE_MAX_TXPWR }, |
| 5484 | { .hw_value = 12, .center_freq = 2467, .max_power = WLCORE_MAX_TXPWR }, |
| 5485 | { .hw_value = 13, .center_freq = 2472, .max_power = WLCORE_MAX_TXPWR }, |
| 5486 | { .hw_value = 14, .center_freq = 2484, .max_power = WLCORE_MAX_TXPWR }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5487 | }; |
| 5488 | |
| 5489 | /* can't be const, mac80211 writes to this */ |
| 5490 | static struct ieee80211_supported_band wl1271_band_2ghz = { |
| 5491 | .channels = wl1271_channels, |
| 5492 | .n_channels = ARRAY_SIZE(wl1271_channels), |
| 5493 | .bitrates = wl1271_rates, |
| 5494 | .n_bitrates = ARRAY_SIZE(wl1271_rates), |
| 5495 | }; |
| 5496 | |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 5497 | /* 5 GHz data rates for WL1273 */ |
| 5498 | static struct ieee80211_rate wl1271_rates_5ghz[] = { |
| 5499 | { .bitrate = 60, |
| 5500 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
| 5501 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, |
| 5502 | { .bitrate = 90, |
| 5503 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
| 5504 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, |
| 5505 | { .bitrate = 120, |
| 5506 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
| 5507 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, |
| 5508 | { .bitrate = 180, |
| 5509 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
| 5510 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, |
| 5511 | { .bitrate = 240, |
| 5512 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
| 5513 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, |
| 5514 | { .bitrate = 360, |
| 5515 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
| 5516 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, |
| 5517 | { .bitrate = 480, |
| 5518 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
| 5519 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, |
| 5520 | { .bitrate = 540, |
| 5521 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
| 5522 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, |
| 5523 | }; |
| 5524 | |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 5525 | /* 5 GHz band channels for WL1273 */ |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 5526 | static struct ieee80211_channel wl1271_channels_5ghz[] = { |
Victor Goldenshtein | 583f816 | 2012-11-27 08:44:55 +0200 | [diff] [blame] | 5527 | { .hw_value = 8, .center_freq = 5040, .max_power = WLCORE_MAX_TXPWR }, |
Victor Goldenshtein | 583f816 | 2012-11-27 08:44:55 +0200 | [diff] [blame] | 5528 | { .hw_value = 12, .center_freq = 5060, .max_power = WLCORE_MAX_TXPWR }, |
| 5529 | { .hw_value = 16, .center_freq = 5080, .max_power = WLCORE_MAX_TXPWR }, |
| 5530 | { .hw_value = 34, .center_freq = 5170, .max_power = WLCORE_MAX_TXPWR }, |
| 5531 | { .hw_value = 36, .center_freq = 5180, .max_power = WLCORE_MAX_TXPWR }, |
| 5532 | { .hw_value = 38, .center_freq = 5190, .max_power = WLCORE_MAX_TXPWR }, |
| 5533 | { .hw_value = 40, .center_freq = 5200, .max_power = WLCORE_MAX_TXPWR }, |
| 5534 | { .hw_value = 42, .center_freq = 5210, .max_power = WLCORE_MAX_TXPWR }, |
| 5535 | { .hw_value = 44, .center_freq = 5220, .max_power = WLCORE_MAX_TXPWR }, |
| 5536 | { .hw_value = 46, .center_freq = 5230, .max_power = WLCORE_MAX_TXPWR }, |
| 5537 | { .hw_value = 48, .center_freq = 5240, .max_power = WLCORE_MAX_TXPWR }, |
| 5538 | { .hw_value = 52, .center_freq = 5260, .max_power = WLCORE_MAX_TXPWR }, |
| 5539 | { .hw_value = 56, .center_freq = 5280, .max_power = WLCORE_MAX_TXPWR }, |
| 5540 | { .hw_value = 60, .center_freq = 5300, .max_power = WLCORE_MAX_TXPWR }, |
| 5541 | { .hw_value = 64, .center_freq = 5320, .max_power = WLCORE_MAX_TXPWR }, |
| 5542 | { .hw_value = 100, .center_freq = 5500, .max_power = WLCORE_MAX_TXPWR }, |
| 5543 | { .hw_value = 104, .center_freq = 5520, .max_power = WLCORE_MAX_TXPWR }, |
| 5544 | { .hw_value = 108, .center_freq = 5540, .max_power = WLCORE_MAX_TXPWR }, |
| 5545 | { .hw_value = 112, .center_freq = 5560, .max_power = WLCORE_MAX_TXPWR }, |
| 5546 | { .hw_value = 116, .center_freq = 5580, .max_power = WLCORE_MAX_TXPWR }, |
| 5547 | { .hw_value = 120, .center_freq = 5600, .max_power = WLCORE_MAX_TXPWR }, |
| 5548 | { .hw_value = 124, .center_freq = 5620, .max_power = WLCORE_MAX_TXPWR }, |
| 5549 | { .hw_value = 128, .center_freq = 5640, .max_power = WLCORE_MAX_TXPWR }, |
| 5550 | { .hw_value = 132, .center_freq = 5660, .max_power = WLCORE_MAX_TXPWR }, |
| 5551 | { .hw_value = 136, .center_freq = 5680, .max_power = WLCORE_MAX_TXPWR }, |
| 5552 | { .hw_value = 140, .center_freq = 5700, .max_power = WLCORE_MAX_TXPWR }, |
| 5553 | { .hw_value = 149, .center_freq = 5745, .max_power = WLCORE_MAX_TXPWR }, |
| 5554 | { .hw_value = 153, .center_freq = 5765, .max_power = WLCORE_MAX_TXPWR }, |
| 5555 | { .hw_value = 157, .center_freq = 5785, .max_power = WLCORE_MAX_TXPWR }, |
| 5556 | { .hw_value = 161, .center_freq = 5805, .max_power = WLCORE_MAX_TXPWR }, |
| 5557 | { .hw_value = 165, .center_freq = 5825, .max_power = WLCORE_MAX_TXPWR }, |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 5558 | }; |
| 5559 | |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 5560 | static struct ieee80211_supported_band wl1271_band_5ghz = { |
| 5561 | .channels = wl1271_channels_5ghz, |
| 5562 | .n_channels = ARRAY_SIZE(wl1271_channels_5ghz), |
| 5563 | .bitrates = wl1271_rates_5ghz, |
| 5564 | .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz), |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 5565 | }; |
| 5566 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5567 | static const struct ieee80211_ops wl1271_ops = { |
| 5568 | .start = wl1271_op_start, |
Ido Yariv | c24ec83 | 2012-06-26 21:08:58 +0300 | [diff] [blame] | 5569 | .stop = wlcore_op_stop, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5570 | .add_interface = wl1271_op_add_interface, |
| 5571 | .remove_interface = wl1271_op_remove_interface, |
Eliad Peller | c0fad1b | 2011-12-19 12:00:03 +0200 | [diff] [blame] | 5572 | .change_interface = wl12xx_op_change_interface, |
Luciano Coelho | f634a4e | 2011-05-18 16:51:26 -0400 | [diff] [blame] | 5573 | #ifdef CONFIG_PM |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 5574 | .suspend = wl1271_op_suspend, |
| 5575 | .resume = wl1271_op_resume, |
Luciano Coelho | f634a4e | 2011-05-18 16:51:26 -0400 | [diff] [blame] | 5576 | #endif |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5577 | .config = wl1271_op_config, |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 5578 | .prepare_multicast = wl1271_op_prepare_multicast, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5579 | .configure_filter = wl1271_op_configure_filter, |
| 5580 | .tx = wl1271_op_tx, |
Arik Nemtsov | a1c597f | 2012-05-18 07:46:40 +0300 | [diff] [blame] | 5581 | .set_key = wlcore_op_set_key, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5582 | .hw_scan = wl1271_op_hw_scan, |
Eliad Peller | 73ecce3 | 2011-06-27 13:06:45 +0300 | [diff] [blame] | 5583 | .cancel_hw_scan = wl1271_op_cancel_hw_scan, |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 5584 | .sched_scan_start = wl1271_op_sched_scan_start, |
| 5585 | .sched_scan_stop = wl1271_op_sched_scan_stop, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5586 | .bss_info_changed = wl1271_op_bss_info_changed, |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 5587 | .set_frag_threshold = wl1271_op_set_frag_threshold, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5588 | .set_rts_threshold = wl1271_op_set_rts_threshold, |
Kalle Valo | c6999d8 | 2010-02-18 13:25:41 +0200 | [diff] [blame] | 5589 | .conf_tx = wl1271_op_conf_tx, |
Juuso Oikarinen | bbbb538 | 2010-07-08 17:49:57 +0300 | [diff] [blame] | 5590 | .get_tsf = wl1271_op_get_tsf, |
John W. Linville | ece550d | 2010-07-28 16:41:06 -0400 | [diff] [blame] | 5591 | .get_survey = wl1271_op_get_survey, |
Eliad Peller | 2d6cf2b | 2012-03-04 10:55:47 +0200 | [diff] [blame] | 5592 | .sta_state = wl12xx_op_sta_state, |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 5593 | .ampdu_action = wl1271_op_ampdu_action, |
Arik Nemtsov | 3343789 | 2011-04-26 23:35:39 +0300 | [diff] [blame] | 5594 | .tx_frames_pending = wl1271_tx_frames_pending, |
Eliad Peller | af7fbb2 | 2011-09-19 13:51:42 +0300 | [diff] [blame] | 5595 | .set_bitrate_mask = wl12xx_set_bitrate_mask, |
Yoni Divinsky | ba1e6eb | 2013-05-12 12:35:28 +0300 | [diff] [blame] | 5596 | .set_default_unicast_key = wl1271_op_set_default_key_idx, |
Shahar Levi | 6d158ff | 2011-09-08 13:01:33 +0300 | [diff] [blame] | 5597 | .channel_switch = wl12xx_op_channel_switch, |
Eliad Peller | d8ae5a2 | 2012-06-25 13:52:33 +0300 | [diff] [blame] | 5598 | .flush = wlcore_op_flush, |
Eliad Peller | dabf37d | 2012-11-20 13:20:03 +0200 | [diff] [blame] | 5599 | .remain_on_channel = wlcore_op_remain_on_channel, |
| 5600 | .cancel_remain_on_channel = wlcore_op_cancel_remain_on_channel, |
Eliad Peller | b6970ee | 2012-11-20 13:20:05 +0200 | [diff] [blame] | 5601 | .add_chanctx = wlcore_op_add_chanctx, |
| 5602 | .remove_chanctx = wlcore_op_remove_chanctx, |
| 5603 | .change_chanctx = wlcore_op_change_chanctx, |
| 5604 | .assign_vif_chanctx = wlcore_op_assign_vif_chanctx, |
| 5605 | .unassign_vif_chanctx = wlcore_op_unassign_vif_chanctx, |
Arik Nemtsov | 5f9b677 | 2012-11-26 18:05:41 +0200 | [diff] [blame] | 5606 | .sta_rc_update = wlcore_op_sta_rc_update, |
Nadim Zubidat | 0a9ffac | 2013-03-12 17:19:39 +0200 | [diff] [blame] | 5607 | .get_rssi = wlcore_op_get_rssi, |
Kalle Valo | c8c9087 | 2010-02-18 13:25:53 +0200 | [diff] [blame] | 5608 | CFG80211_TESTMODE_CMD(wl1271_tm_cmd) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5609 | }; |
| 5610 | |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 5611 | |
Arik Nemtsov | 43a8bc5 | 2011-12-08 00:43:48 +0200 | [diff] [blame] | 5612 | u8 wlcore_rate_to_idx(struct wl1271 *wl, u8 rate, enum ieee80211_band band) |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 5613 | { |
| 5614 | u8 idx; |
| 5615 | |
Arik Nemtsov | 43a8bc5 | 2011-12-08 00:43:48 +0200 | [diff] [blame] | 5616 | BUG_ON(band >= 2); |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 5617 | |
Arik Nemtsov | 43a8bc5 | 2011-12-08 00:43:48 +0200 | [diff] [blame] | 5618 | if (unlikely(rate >= wl->hw_tx_rate_tbl_size)) { |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 5619 | wl1271_error("Illegal RX rate from HW: %d", rate); |
| 5620 | return 0; |
| 5621 | } |
| 5622 | |
Arik Nemtsov | 43a8bc5 | 2011-12-08 00:43:48 +0200 | [diff] [blame] | 5623 | idx = wl->band_rate_to_idx[band][rate]; |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 5624 | if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) { |
| 5625 | wl1271_error("Unsupported RX rate from HW: %d", rate); |
| 5626 | return 0; |
| 5627 | } |
| 5628 | |
| 5629 | return idx; |
| 5630 | } |
| 5631 | |
Arik Nemtsov | f4afbed | 2012-08-02 20:37:21 +0300 | [diff] [blame] | 5632 | static void wl12xx_derive_mac_addresses(struct wl1271 *wl, u32 oui, u32 nic) |
Luciano Coelho | 5e037e7 | 2011-12-23 09:32:17 +0200 | [diff] [blame] | 5633 | { |
| 5634 | int i; |
| 5635 | |
Arik Nemtsov | f4afbed | 2012-08-02 20:37:21 +0300 | [diff] [blame] | 5636 | wl1271_debug(DEBUG_PROBE, "base address: oui %06x nic %06x", |
| 5637 | oui, nic); |
Luciano Coelho | 5e037e7 | 2011-12-23 09:32:17 +0200 | [diff] [blame] | 5638 | |
Arik Nemtsov | f4afbed | 2012-08-02 20:37:21 +0300 | [diff] [blame] | 5639 | if (nic + WLCORE_NUM_MAC_ADDRESSES - wl->num_mac_addr > 0xffffff) |
Luciano Coelho | 5e037e7 | 2011-12-23 09:32:17 +0200 | [diff] [blame] | 5640 | wl1271_warning("NIC part of the MAC address wraps around!"); |
| 5641 | |
Arik Nemtsov | f4afbed | 2012-08-02 20:37:21 +0300 | [diff] [blame] | 5642 | for (i = 0; i < wl->num_mac_addr; i++) { |
Luciano Coelho | 5e037e7 | 2011-12-23 09:32:17 +0200 | [diff] [blame] | 5643 | wl->addresses[i].addr[0] = (u8)(oui >> 16); |
| 5644 | wl->addresses[i].addr[1] = (u8)(oui >> 8); |
| 5645 | wl->addresses[i].addr[2] = (u8) oui; |
| 5646 | wl->addresses[i].addr[3] = (u8)(nic >> 16); |
| 5647 | wl->addresses[i].addr[4] = (u8)(nic >> 8); |
| 5648 | wl->addresses[i].addr[5] = (u8) nic; |
| 5649 | nic++; |
| 5650 | } |
| 5651 | |
Arik Nemtsov | f4afbed | 2012-08-02 20:37:21 +0300 | [diff] [blame] | 5652 | /* we may be one address short at the most */ |
| 5653 | WARN_ON(wl->num_mac_addr + 1 < WLCORE_NUM_MAC_ADDRESSES); |
| 5654 | |
| 5655 | /* |
| 5656 | * turn on the LAA bit in the first address and use it as |
| 5657 | * the last address. |
| 5658 | */ |
| 5659 | if (wl->num_mac_addr < WLCORE_NUM_MAC_ADDRESSES) { |
| 5660 | int idx = WLCORE_NUM_MAC_ADDRESSES - 1; |
| 5661 | memcpy(&wl->addresses[idx], &wl->addresses[0], |
| 5662 | sizeof(wl->addresses[0])); |
| 5663 | /* LAA bit */ |
| 5664 | wl->addresses[idx].addr[2] |= BIT(1); |
| 5665 | } |
| 5666 | |
| 5667 | wl->hw->wiphy->n_addresses = WLCORE_NUM_MAC_ADDRESSES; |
Luciano Coelho | 5e037e7 | 2011-12-23 09:32:17 +0200 | [diff] [blame] | 5668 | wl->hw->wiphy->addresses = wl->addresses; |
| 5669 | } |
| 5670 | |
Luciano Coelho | 30c5dbd | 2012-01-18 14:53:22 +0200 | [diff] [blame] | 5671 | static int wl12xx_get_hw_info(struct wl1271 *wl) |
| 5672 | { |
| 5673 | int ret; |
Luciano Coelho | 30c5dbd | 2012-01-18 14:53:22 +0200 | [diff] [blame] | 5674 | |
| 5675 | ret = wl12xx_set_power_on(wl); |
| 5676 | if (ret < 0) |
Julia Lawall | 4fb4e0b | 2012-10-21 12:52:04 +0200 | [diff] [blame] | 5677 | return ret; |
Luciano Coelho | 30c5dbd | 2012-01-18 14:53:22 +0200 | [diff] [blame] | 5678 | |
Ido Yariv | 6134323 | 2012-06-18 15:50:21 +0300 | [diff] [blame] | 5679 | ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &wl->chip.id); |
| 5680 | if (ret < 0) |
| 5681 | goto out; |
Luciano Coelho | 30c5dbd | 2012-01-18 14:53:22 +0200 | [diff] [blame] | 5682 | |
Luciano Coelho | 0078213 | 2011-11-29 13:38:37 +0200 | [diff] [blame] | 5683 | wl->fuse_oui_addr = 0; |
| 5684 | wl->fuse_nic_addr = 0; |
Luciano Coelho | 30c5dbd | 2012-01-18 14:53:22 +0200 | [diff] [blame] | 5685 | |
Ido Yariv | 6134323 | 2012-06-18 15:50:21 +0300 | [diff] [blame] | 5686 | ret = wl->ops->get_pg_ver(wl, &wl->hw_pg_ver); |
| 5687 | if (ret < 0) |
| 5688 | goto out; |
Luciano Coelho | 30c5dbd | 2012-01-18 14:53:22 +0200 | [diff] [blame] | 5689 | |
Luciano Coelho | 30d9b4a | 2012-04-11 11:07:28 +0300 | [diff] [blame] | 5690 | if (wl->ops->get_mac) |
Ido Yariv | 6134323 | 2012-06-18 15:50:21 +0300 | [diff] [blame] | 5691 | ret = wl->ops->get_mac(wl); |
Luciano Coelho | 5e037e7 | 2011-12-23 09:32:17 +0200 | [diff] [blame] | 5692 | |
Luciano Coelho | 30c5dbd | 2012-01-18 14:53:22 +0200 | [diff] [blame] | 5693 | out: |
Ido Yariv | 6134323 | 2012-06-18 15:50:21 +0300 | [diff] [blame] | 5694 | wl1271_power_off(wl); |
Luciano Coelho | 30c5dbd | 2012-01-18 14:53:22 +0200 | [diff] [blame] | 5695 | return ret; |
| 5696 | } |
| 5697 | |
Felipe Balbi | 4b32a2c | 2011-10-06 10:46:20 +0300 | [diff] [blame] | 5698 | static int wl1271_register_hw(struct wl1271 *wl) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5699 | { |
| 5700 | int ret; |
Luciano Coelho | 5e037e7 | 2011-12-23 09:32:17 +0200 | [diff] [blame] | 5701 | u32 oui_addr = 0, nic_addr = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5702 | |
| 5703 | if (wl->mac80211_registered) |
| 5704 | return 0; |
| 5705 | |
Ido Yariv | 6f8d6b2 | 2012-09-02 01:32:47 +0300 | [diff] [blame] | 5706 | if (wl->nvs_len >= 12) { |
Shahar Levi | bc765bf | 2011-03-06 16:32:10 +0200 | [diff] [blame] | 5707 | /* NOTE: The wl->nvs->nvs element must be first, in |
| 5708 | * order to simplify the casting, we assume it is at |
| 5709 | * the beginning of the wl->nvs structure. |
| 5710 | */ |
| 5711 | u8 *nvs_ptr = (u8 *)wl->nvs; |
Arik Nemtsov | 31d26ec | 2010-10-16 21:49:52 +0200 | [diff] [blame] | 5712 | |
Luciano Coelho | 5e037e7 | 2011-12-23 09:32:17 +0200 | [diff] [blame] | 5713 | oui_addr = |
| 5714 | (nvs_ptr[11] << 16) + (nvs_ptr[10] << 8) + nvs_ptr[6]; |
| 5715 | nic_addr = |
| 5716 | (nvs_ptr[5] << 16) + (nvs_ptr[4] << 8) + nvs_ptr[3]; |
Arik Nemtsov | 31d26ec | 2010-10-16 21:49:52 +0200 | [diff] [blame] | 5717 | } |
| 5718 | |
Luciano Coelho | 5e037e7 | 2011-12-23 09:32:17 +0200 | [diff] [blame] | 5719 | /* if the MAC address is zeroed in the NVS derive from fuse */ |
| 5720 | if (oui_addr == 0 && nic_addr == 0) { |
| 5721 | oui_addr = wl->fuse_oui_addr; |
| 5722 | /* fuse has the BD_ADDR, the WLAN addresses are the next two */ |
| 5723 | nic_addr = wl->fuse_nic_addr + 1; |
| 5724 | } |
| 5725 | |
Arik Nemtsov | f4afbed | 2012-08-02 20:37:21 +0300 | [diff] [blame] | 5726 | wl12xx_derive_mac_addresses(wl, oui_addr, nic_addr); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5727 | |
| 5728 | ret = ieee80211_register_hw(wl->hw); |
| 5729 | if (ret < 0) { |
| 5730 | wl1271_error("unable to register mac80211 hw: %d", ret); |
Luciano Coelho | 30c5dbd | 2012-01-18 14:53:22 +0200 | [diff] [blame] | 5731 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5732 | } |
| 5733 | |
| 5734 | wl->mac80211_registered = true; |
| 5735 | |
Eliad Peller | d60080a | 2010-11-24 12:53:16 +0200 | [diff] [blame] | 5736 | wl1271_debugfs_init(wl); |
| 5737 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5738 | wl1271_notice("loaded"); |
| 5739 | |
Luciano Coelho | 30c5dbd | 2012-01-18 14:53:22 +0200 | [diff] [blame] | 5740 | out: |
| 5741 | return ret; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5742 | } |
| 5743 | |
Felipe Balbi | 4b32a2c | 2011-10-06 10:46:20 +0300 | [diff] [blame] | 5744 | static void wl1271_unregister_hw(struct wl1271 *wl) |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 5745 | { |
Eliad Peller | 3fcdab7 | 2012-02-06 12:47:54 +0200 | [diff] [blame] | 5746 | if (wl->plt) |
Ido Yariv | f3df133 | 2012-01-11 09:42:39 +0200 | [diff] [blame] | 5747 | wl1271_plt_stop(wl); |
Juuso Oikarinen | 4ae3fa8 | 2011-01-14 12:48:46 +0100 | [diff] [blame] | 5748 | |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 5749 | ieee80211_unregister_hw(wl->hw); |
| 5750 | wl->mac80211_registered = false; |
| 5751 | |
| 5752 | } |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 5753 | |
Felipe Balbi | 4b32a2c | 2011-10-06 10:46:20 +0300 | [diff] [blame] | 5754 | static int wl1271_init_ieee80211(struct wl1271 *wl) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5755 | { |
Victor Goldenshtein | 583f816 | 2012-11-27 08:44:55 +0200 | [diff] [blame] | 5756 | int i; |
Juuso Oikarinen | 7a55724 | 2010-09-27 12:42:07 +0200 | [diff] [blame] | 5757 | static const u32 cipher_suites[] = { |
| 5758 | WLAN_CIPHER_SUITE_WEP40, |
| 5759 | WLAN_CIPHER_SUITE_WEP104, |
| 5760 | WLAN_CIPHER_SUITE_TKIP, |
| 5761 | WLAN_CIPHER_SUITE_CCMP, |
| 5762 | WL1271_CIPHER_SUITE_GEM, |
| 5763 | }; |
| 5764 | |
Arik Nemtsov | 2c0133a | 2012-05-18 07:46:36 +0300 | [diff] [blame] | 5765 | /* The tx descriptor buffer */ |
| 5766 | wl->hw->extra_tx_headroom = sizeof(struct wl1271_tx_hw_descr); |
| 5767 | |
| 5768 | if (wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) |
| 5769 | wl->hw->extra_tx_headroom += WL1271_EXTRA_SPACE_TKIP; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5770 | |
| 5771 | /* unit us */ |
| 5772 | /* FIXME: find a proper value */ |
Juuso Oikarinen | 50c500a | 2010-04-01 11:38:22 +0300 | [diff] [blame] | 5773 | wl->hw->max_listen_interval = wl->conf.conn.max_listen_interval; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5774 | |
| 5775 | wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | |
Juuso Oikarinen | 0a34332 | 2010-02-22 08:38:41 +0200 | [diff] [blame] | 5776 | IEEE80211_HW_SUPPORTS_PS | |
Eyal Shapira | f1d63a5 | 2012-01-31 11:57:21 +0200 | [diff] [blame] | 5777 | IEEE80211_HW_SUPPORTS_DYNAMIC_PS | |
Kalle Valo | 4695dc9 | 2010-03-18 12:26:38 +0200 | [diff] [blame] | 5778 | IEEE80211_HW_SUPPORTS_UAPSD | |
Juuso Oikarinen | a9af092 | 2010-03-26 12:53:30 +0200 | [diff] [blame] | 5779 | IEEE80211_HW_HAS_RATE_CONTROL | |
Juuso Oikarinen | 00236aed | 2010-04-09 11:07:30 +0300 | [diff] [blame] | 5780 | IEEE80211_HW_CONNECTION_MONITOR | |
Luciano Coelho | 25eaea30 | 2011-05-02 12:37:33 +0300 | [diff] [blame] | 5781 | IEEE80211_HW_REPORTS_TX_ACK_STATUS | |
Shahar Levi | fcd23b6 | 2011-05-11 12:12:56 +0300 | [diff] [blame] | 5782 | IEEE80211_HW_SPECTRUM_MGMT | |
Arik Nemtsov | 93f8c8e | 2011-08-30 09:34:01 +0300 | [diff] [blame] | 5783 | IEEE80211_HW_AP_LINK_PS | |
| 5784 | IEEE80211_HW_AMPDU_AGGREGATION | |
Eliad Peller | 79aba1b | 2012-02-02 13:15:35 +0200 | [diff] [blame] | 5785 | IEEE80211_HW_TX_AMPDU_SETUP_IN_HW | |
Arik Nemtsov | 6b27fe5 | 2014-02-10 13:47:34 +0200 | [diff] [blame] | 5786 | IEEE80211_HW_QUEUE_CONTROL | |
| 5787 | IEEE80211_HW_CHANCTX_STA_CSA; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5788 | |
Juuso Oikarinen | 7a55724 | 2010-09-27 12:42:07 +0200 | [diff] [blame] | 5789 | wl->hw->wiphy->cipher_suites = cipher_suites; |
| 5790 | wl->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); |
| 5791 | |
Juuso Oikarinen | e0d8bbf | 2009-12-11 15:41:04 +0200 | [diff] [blame] | 5792 | wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
Eliad Peller | 045c745 | 2011-08-28 15:23:01 +0300 | [diff] [blame] | 5793 | BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP) | |
| 5794 | BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5795 | wl->hw->wiphy->max_scan_ssids = 1; |
Luciano Coelho | 221737d | 2011-09-02 14:28:22 +0300 | [diff] [blame] | 5796 | wl->hw->wiphy->max_sched_scan_ssids = 16; |
| 5797 | wl->hw->wiphy->max_match_sets = 16; |
Guy Eilam | ea559b4 | 2010-12-09 16:54:59 +0200 | [diff] [blame] | 5798 | /* |
| 5799 | * Maximum length of elements in scanning probe request templates |
| 5800 | * should be the maximum length possible for a template, without |
| 5801 | * the IEEE80211 header of the template |
| 5802 | */ |
Ido Reis | c08e371 | 2012-02-02 13:54:27 +0200 | [diff] [blame] | 5803 | wl->hw->wiphy->max_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE - |
Guy Eilam | ea559b4 | 2010-12-09 16:54:59 +0200 | [diff] [blame] | 5804 | sizeof(struct ieee80211_header); |
Luciano Coelho | a8aaaf5 | 2011-01-11 18:25:18 +0100 | [diff] [blame] | 5805 | |
Ido Reis | c08e371 | 2012-02-02 13:54:27 +0200 | [diff] [blame] | 5806 | wl->hw->wiphy->max_sched_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE - |
Luciano Coelho | c9e79a4 | 2011-09-27 16:22:35 +0300 | [diff] [blame] | 5807 | sizeof(struct ieee80211_header); |
| 5808 | |
Eliad Peller | dabf37d | 2012-11-20 13:20:03 +0200 | [diff] [blame] | 5809 | wl->hw->wiphy->max_remain_on_channel_duration = 5000; |
| 5810 | |
Johannes Berg | 81ddbb5 | 2012-03-26 18:47:18 +0200 | [diff] [blame] | 5811 | wl->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD | |
Johannes Berg | 1fb90260 | 2013-08-21 11:24:01 +0200 | [diff] [blame] | 5812 | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | |
| 5813 | WIPHY_FLAG_SUPPORTS_SCHED_SCAN; |
Eliad Peller | 1ec23f7 | 2011-08-25 14:26:54 +0300 | [diff] [blame] | 5814 | |
Luciano Coelho | 4a31c11 | 2011-03-21 23:16:14 +0200 | [diff] [blame] | 5815 | /* make sure all our channels fit in the scanned_ch bitmask */ |
| 5816 | BUILD_BUG_ON(ARRAY_SIZE(wl1271_channels) + |
| 5817 | ARRAY_SIZE(wl1271_channels_5ghz) > |
| 5818 | WL1271_MAX_CHANNELS); |
Luciano Coelho | a8aaaf5 | 2011-01-11 18:25:18 +0100 | [diff] [blame] | 5819 | /* |
Victor Goldenshtein | 583f816 | 2012-11-27 08:44:55 +0200 | [diff] [blame] | 5820 | * clear channel flags from the previous usage |
| 5821 | * and restore max_power & max_antenna_gain values. |
| 5822 | */ |
| 5823 | for (i = 0; i < ARRAY_SIZE(wl1271_channels); i++) { |
| 5824 | wl1271_band_2ghz.channels[i].flags = 0; |
| 5825 | wl1271_band_2ghz.channels[i].max_power = WLCORE_MAX_TXPWR; |
| 5826 | wl1271_band_2ghz.channels[i].max_antenna_gain = 0; |
| 5827 | } |
| 5828 | |
| 5829 | for (i = 0; i < ARRAY_SIZE(wl1271_channels_5ghz); i++) { |
| 5830 | wl1271_band_5ghz.channels[i].flags = 0; |
| 5831 | wl1271_band_5ghz.channels[i].max_power = WLCORE_MAX_TXPWR; |
| 5832 | wl1271_band_5ghz.channels[i].max_antenna_gain = 0; |
| 5833 | } |
| 5834 | |
| 5835 | /* |
Luciano Coelho | a8aaaf5 | 2011-01-11 18:25:18 +0100 | [diff] [blame] | 5836 | * We keep local copies of the band structs because we need to |
| 5837 | * modify them on a per-device basis. |
| 5838 | */ |
| 5839 | memcpy(&wl->bands[IEEE80211_BAND_2GHZ], &wl1271_band_2ghz, |
| 5840 | sizeof(wl1271_band_2ghz)); |
Eliad Peller | bfb92ca | 2012-05-15 17:09:00 +0300 | [diff] [blame] | 5841 | memcpy(&wl->bands[IEEE80211_BAND_2GHZ].ht_cap, |
| 5842 | &wl->ht_cap[IEEE80211_BAND_2GHZ], |
| 5843 | sizeof(*wl->ht_cap)); |
Luciano Coelho | a8aaaf5 | 2011-01-11 18:25:18 +0100 | [diff] [blame] | 5844 | memcpy(&wl->bands[IEEE80211_BAND_5GHZ], &wl1271_band_5ghz, |
| 5845 | sizeof(wl1271_band_5ghz)); |
Eliad Peller | bfb92ca | 2012-05-15 17:09:00 +0300 | [diff] [blame] | 5846 | memcpy(&wl->bands[IEEE80211_BAND_5GHZ].ht_cap, |
| 5847 | &wl->ht_cap[IEEE80211_BAND_5GHZ], |
| 5848 | sizeof(*wl->ht_cap)); |
Luciano Coelho | a8aaaf5 | 2011-01-11 18:25:18 +0100 | [diff] [blame] | 5849 | |
| 5850 | wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = |
| 5851 | &wl->bands[IEEE80211_BAND_2GHZ]; |
| 5852 | wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = |
| 5853 | &wl->bands[IEEE80211_BAND_5GHZ]; |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 5854 | |
Arik Nemtsov | 1c33db7 | 2012-11-30 00:48:03 +0200 | [diff] [blame] | 5855 | /* |
| 5856 | * allow 4 queues per mac address we support + |
| 5857 | * 1 cab queue per mac + one global offchannel Tx queue |
| 5858 | */ |
| 5859 | wl->hw->queues = (NUM_TX_QUEUES + 1) * WLCORE_NUM_MAC_ADDRESSES + 1; |
| 5860 | |
| 5861 | /* the last queue is the offchannel queue */ |
| 5862 | wl->hw->offchannel_tx_hw_queue = wl->hw->queues - 1; |
Juuso Oikarinen | 31627dc | 2010-03-26 12:53:12 +0200 | [diff] [blame] | 5863 | wl->hw->max_rates = 1; |
Kalle Valo | 12bd894 | 2010-03-18 12:26:33 +0200 | [diff] [blame] | 5864 | |
Juuso Oikarinen | b7417d9 | 2010-11-10 11:27:19 +0100 | [diff] [blame] | 5865 | wl->hw->wiphy->reg_notifier = wl1271_reg_notify; |
| 5866 | |
Arik Nemtsov | 9c1b190 | 2011-11-08 18:46:55 +0200 | [diff] [blame] | 5867 | /* the FW answers probe-requests in AP-mode */ |
| 5868 | wl->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; |
| 5869 | wl->hw->wiphy->probe_resp_offload = |
| 5870 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | |
| 5871 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | |
| 5872 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; |
| 5873 | |
Eliad Peller | bcab320b | 2012-06-13 20:29:16 +0300 | [diff] [blame] | 5874 | /* allowed interface combinations */ |
Eliad Peller | abf0b24 | 2014-02-10 13:47:24 +0200 | [diff] [blame] | 5875 | wl->hw->wiphy->iface_combinations = wl->iface_combinations; |
| 5876 | wl->hw->wiphy->n_iface_combinations = wl->n_iface_combinations; |
Eliad Peller | bcab320b | 2012-06-13 20:29:16 +0300 | [diff] [blame] | 5877 | |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 5878 | SET_IEEE80211_DEV(wl->hw, wl->dev); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5879 | |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 5880 | wl->hw->sta_data_size = sizeof(struct wl1271_station); |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 5881 | wl->hw->vif_data_size = sizeof(struct wl12xx_vif); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 5882 | |
Arik Nemtsov | ba421f8 | 2012-01-06 00:05:51 +0200 | [diff] [blame] | 5883 | wl->hw->max_rx_aggregation_subframes = wl->conf.ht.rx_ba_win_size; |
Luciano Coelho | 4c9cfa7 | 2011-01-12 14:27:03 +0100 | [diff] [blame] | 5884 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5885 | return 0; |
| 5886 | } |
| 5887 | |
Eliad Peller | c50a282 | 2012-11-22 18:06:19 +0200 | [diff] [blame] | 5888 | struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size, u32 aggr_buf_size, |
| 5889 | u32 mbox_size) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5890 | { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5891 | struct ieee80211_hw *hw; |
| 5892 | struct wl1271 *wl; |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 5893 | int i, j, ret; |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 5894 | unsigned int order; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5895 | |
| 5896 | hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops); |
| 5897 | if (!hw) { |
| 5898 | wl1271_error("could not alloc ieee80211_hw"); |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 5899 | ret = -ENOMEM; |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 5900 | goto err_hw_alloc; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5901 | } |
| 5902 | |
| 5903 | wl = hw->priv; |
| 5904 | memset(wl, 0, sizeof(*wl)); |
| 5905 | |
Arik Nemtsov | 96e0c68 | 2011-12-07 21:09:03 +0200 | [diff] [blame] | 5906 | wl->priv = kzalloc(priv_size, GFP_KERNEL); |
| 5907 | if (!wl->priv) { |
| 5908 | wl1271_error("could not alloc wl priv"); |
| 5909 | ret = -ENOMEM; |
| 5910 | goto err_priv_alloc; |
| 5911 | } |
| 5912 | |
Eliad Peller | 8762721 | 2011-10-10 10:12:54 +0200 | [diff] [blame] | 5913 | INIT_LIST_HEAD(&wl->wlvif_list); |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 5914 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5915 | wl->hw = hw; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5916 | |
Eliad Peller | da08fdf | 2014-02-10 13:47:22 +0200 | [diff] [blame] | 5917 | /* |
| 5918 | * wl->num_links is not configured yet, so just use WLCORE_MAX_LINKS. |
| 5919 | * we don't allocate any additional resource here, so that's fine. |
| 5920 | */ |
Juuso Oikarinen | 6742f55 | 2010-12-13 09:52:37 +0200 | [diff] [blame] | 5921 | for (i = 0; i < NUM_TX_QUEUES; i++) |
Eliad Peller | da08fdf | 2014-02-10 13:47:22 +0200 | [diff] [blame] | 5922 | for (j = 0; j < WLCORE_MAX_LINKS; j++) |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 5923 | skb_queue_head_init(&wl->links[j].tx_queue[i]); |
| 5924 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 5925 | skb_queue_head_init(&wl->deferred_rx_queue); |
| 5926 | skb_queue_head_init(&wl->deferred_tx_queue); |
| 5927 | |
Juuso Oikarinen | 37b70a8 | 2009-10-08 21:56:21 +0300 | [diff] [blame] | 5928 | INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 5929 | INIT_WORK(&wl->netstack_work, wl1271_netstack_work); |
Juuso Oikarinen | 117b38d | 2010-09-30 10:43:28 +0200 | [diff] [blame] | 5930 | INIT_WORK(&wl->tx_work, wl1271_tx_work); |
| 5931 | INIT_WORK(&wl->recovery_work, wl1271_recovery_work); |
| 5932 | INIT_DELAYED_WORK(&wl->scan_complete_work, wl1271_scan_complete_work); |
Eliad Peller | dabf37d | 2012-11-20 13:20:03 +0200 | [diff] [blame] | 5933 | INIT_DELAYED_WORK(&wl->roc_complete_work, wlcore_roc_complete_work); |
Arik Nemtsov | 55df5af | 2012-03-03 22:18:00 +0200 | [diff] [blame] | 5934 | INIT_DELAYED_WORK(&wl->tx_watchdog_work, wl12xx_tx_watchdog_work); |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 5935 | |
Eliad Peller | 92ef896 | 2011-06-07 12:50:46 +0300 | [diff] [blame] | 5936 | wl->freezable_wq = create_freezable_workqueue("wl12xx_wq"); |
| 5937 | if (!wl->freezable_wq) { |
| 5938 | ret = -ENOMEM; |
| 5939 | goto err_hw; |
| 5940 | } |
| 5941 | |
Luciano Coelho | 8f6ac53 | 2013-05-04 01:06:11 +0300 | [diff] [blame] | 5942 | wl->channel = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5943 | wl->rx_counter = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5944 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
Juuso Oikarinen | 8a5a37a | 2009-10-08 21:56:24 +0300 | [diff] [blame] | 5945 | wl->band = IEEE80211_BAND_2GHZ; |
Arik Nemtsov | 83d08d3 | 2012-05-10 12:13:30 +0300 | [diff] [blame] | 5946 | wl->channel_type = NL80211_CHAN_NO_HT; |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 5947 | wl->flags = 0; |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 5948 | wl->sg_enabled = true; |
Arik Nemtsov | 66340e5 | 2012-06-10 17:09:22 +0300 | [diff] [blame] | 5949 | wl->sleep_auth = WL1271_PSM_ILLEGAL; |
Luciano Coelho | c108c90 | 2012-11-26 18:05:49 +0200 | [diff] [blame] | 5950 | wl->recovery_count = 0; |
Juuso Oikarinen | d717fd6 | 2010-05-07 11:38:58 +0300 | [diff] [blame] | 5951 | wl->hw_pg_ver = -1; |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 5952 | wl->ap_ps_map = 0; |
| 5953 | wl->ap_fw_ps_map = 0; |
Ido Yariv | 606ea9f | 2011-03-01 15:14:39 +0200 | [diff] [blame] | 5954 | wl->quirks = 0; |
Ido Yariv | 341b7cd | 2011-03-31 10:07:01 +0200 | [diff] [blame] | 5955 | wl->platform_quirks = 0; |
Eliad Peller | f4df1bd | 2011-08-14 13:17:15 +0300 | [diff] [blame] | 5956 | wl->system_hlid = WL12XX_SYSTEM_HLID; |
Arik Nemtsov | da03209 | 2011-08-25 12:43:15 +0300 | [diff] [blame] | 5957 | wl->active_sta_count = 0; |
Arik Nemtsov | 9a10096 | 2012-11-28 11:42:42 +0200 | [diff] [blame] | 5958 | wl->active_link_count = 0; |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 5959 | wl->fwlog_size = 0; |
| 5960 | init_waitqueue_head(&wl->fwlog_waitq); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5961 | |
Eliad Peller | f4df1bd | 2011-08-14 13:17:15 +0300 | [diff] [blame] | 5962 | /* The system link is always allocated */ |
| 5963 | __set_bit(WL12XX_SYSTEM_HLID, wl->links_map); |
| 5964 | |
Ido Yariv | 25eeb9e | 2010-10-12 16:20:06 +0200 | [diff] [blame] | 5965 | memset(wl->tx_frames_map, 0, sizeof(wl->tx_frames_map)); |
Arik Nemtsov | 72b0624 | 2011-12-07 21:21:51 +0200 | [diff] [blame] | 5966 | for (i = 0; i < wl->num_tx_desc; i++) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5967 | wl->tx_frames[i] = NULL; |
| 5968 | |
| 5969 | spin_lock_init(&wl->wl_lock); |
| 5970 | |
Ido Yariv | 4cc5338 | 2012-07-24 19:18:49 +0300 | [diff] [blame] | 5971 | wl->state = WLCORE_STATE_OFF; |
Eliad Peller | 3fcdab7 | 2012-02-06 12:47:54 +0200 | [diff] [blame] | 5972 | wl->fw_type = WL12XX_FW_TYPE_NONE; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5973 | mutex_init(&wl->mutex); |
Arik Nemtsov | 2c38849 | 2012-05-18 07:46:39 +0300 | [diff] [blame] | 5974 | mutex_init(&wl->flush_mutex); |
Ido Yariv | 6f8d6b2 | 2012-09-02 01:32:47 +0300 | [diff] [blame] | 5975 | init_completion(&wl->nvs_loading_complete); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5976 | |
Igal Chernobelsky | 26a309c | 2012-07-29 18:21:12 +0300 | [diff] [blame] | 5977 | order = get_order(aggr_buf_size); |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 5978 | wl->aggr_buf = (u8 *)__get_free_pages(GFP_KERNEL, order); |
| 5979 | if (!wl->aggr_buf) { |
| 5980 | ret = -ENOMEM; |
Eliad Peller | 92ef896 | 2011-06-07 12:50:46 +0300 | [diff] [blame] | 5981 | goto err_wq; |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 5982 | } |
Igal Chernobelsky | 26a309c | 2012-07-29 18:21:12 +0300 | [diff] [blame] | 5983 | wl->aggr_buf_size = aggr_buf_size; |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 5984 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 5985 | wl->dummy_packet = wl12xx_alloc_dummy_packet(wl); |
| 5986 | if (!wl->dummy_packet) { |
| 5987 | ret = -ENOMEM; |
| 5988 | goto err_aggr; |
| 5989 | } |
| 5990 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 5991 | /* Allocate one page for the FW log */ |
| 5992 | wl->fwlog = (u8 *)get_zeroed_page(GFP_KERNEL); |
| 5993 | if (!wl->fwlog) { |
| 5994 | ret = -ENOMEM; |
| 5995 | goto err_dummy_packet; |
| 5996 | } |
| 5997 | |
Eliad Peller | c50a282 | 2012-11-22 18:06:19 +0200 | [diff] [blame] | 5998 | wl->mbox_size = mbox_size; |
| 5999 | wl->mbox = kmalloc(wl->mbox_size, GFP_KERNEL | GFP_DMA); |
Mircea Gherzan | 690142e | 2012-03-17 18:41:53 +0100 | [diff] [blame] | 6000 | if (!wl->mbox) { |
| 6001 | ret = -ENOMEM; |
| 6002 | goto err_fwlog; |
| 6003 | } |
| 6004 | |
Ido Yariv | 2e07d02 | 2012-11-28 11:42:49 +0200 | [diff] [blame] | 6005 | wl->buffer_32 = kmalloc(sizeof(*wl->buffer_32), GFP_KERNEL); |
| 6006 | if (!wl->buffer_32) { |
| 6007 | ret = -ENOMEM; |
| 6008 | goto err_mbox; |
| 6009 | } |
| 6010 | |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 6011 | return hw; |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 6012 | |
Ido Yariv | 2e07d02 | 2012-11-28 11:42:49 +0200 | [diff] [blame] | 6013 | err_mbox: |
| 6014 | kfree(wl->mbox); |
| 6015 | |
Mircea Gherzan | 690142e | 2012-03-17 18:41:53 +0100 | [diff] [blame] | 6016 | err_fwlog: |
| 6017 | free_page((unsigned long)wl->fwlog); |
| 6018 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 6019 | err_dummy_packet: |
| 6020 | dev_kfree_skb(wl->dummy_packet); |
| 6021 | |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 6022 | err_aggr: |
| 6023 | free_pages((unsigned long)wl->aggr_buf, order); |
| 6024 | |
Eliad Peller | 92ef896 | 2011-06-07 12:50:46 +0300 | [diff] [blame] | 6025 | err_wq: |
| 6026 | destroy_workqueue(wl->freezable_wq); |
| 6027 | |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 6028 | err_hw: |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 6029 | wl1271_debugfs_exit(wl); |
Arik Nemtsov | 96e0c68 | 2011-12-07 21:09:03 +0200 | [diff] [blame] | 6030 | kfree(wl->priv); |
| 6031 | |
| 6032 | err_priv_alloc: |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 6033 | ieee80211_free_hw(hw); |
| 6034 | |
| 6035 | err_hw_alloc: |
| 6036 | |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 6037 | return ERR_PTR(ret); |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 6038 | } |
Luciano Coelho | ffeb501 | 2011-11-21 18:55:51 +0200 | [diff] [blame] | 6039 | EXPORT_SYMBOL_GPL(wlcore_alloc_hw); |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 6040 | |
Luciano Coelho | ffeb501 | 2011-11-21 18:55:51 +0200 | [diff] [blame] | 6041 | int wlcore_free_hw(struct wl1271 *wl) |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 6042 | { |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 6043 | /* Unblock any fwlog readers */ |
| 6044 | mutex_lock(&wl->mutex); |
| 6045 | wl->fwlog_size = -1; |
| 6046 | wake_up_interruptible_all(&wl->fwlog_waitq); |
| 6047 | mutex_unlock(&wl->mutex); |
| 6048 | |
Luciano Coelho | 33cab57 | 2013-05-04 02:46:38 +0300 | [diff] [blame] | 6049 | wlcore_sysfs_free(wl); |
Gery Kahn | 6f07b72 | 2011-07-18 14:21:49 +0300 | [diff] [blame] | 6050 | |
Ido Yariv | 2e07d02 | 2012-11-28 11:42:49 +0200 | [diff] [blame] | 6051 | kfree(wl->buffer_32); |
Eliad Peller | a8e2782 | 2012-11-19 17:14:06 +0200 | [diff] [blame] | 6052 | kfree(wl->mbox); |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 6053 | free_page((unsigned long)wl->fwlog); |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 6054 | dev_kfree_skb(wl->dummy_packet); |
Igal Chernobelsky | 26a309c | 2012-07-29 18:21:12 +0300 | [diff] [blame] | 6055 | free_pages((unsigned long)wl->aggr_buf, get_order(wl->aggr_buf_size)); |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 6056 | |
| 6057 | wl1271_debugfs_exit(wl); |
| 6058 | |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 6059 | vfree(wl->fw); |
| 6060 | wl->fw = NULL; |
Eliad Peller | 3fcdab7 | 2012-02-06 12:47:54 +0200 | [diff] [blame] | 6061 | wl->fw_type = WL12XX_FW_TYPE_NONE; |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 6062 | kfree(wl->nvs); |
| 6063 | wl->nvs = NULL; |
| 6064 | |
Eliad Peller | 75fb4df | 2014-02-10 13:47:21 +0200 | [diff] [blame] | 6065 | kfree(wl->raw_fw_status); |
| 6066 | kfree(wl->fw_status); |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 6067 | kfree(wl->tx_res_if); |
Eliad Peller | 92ef896 | 2011-06-07 12:50:46 +0300 | [diff] [blame] | 6068 | destroy_workqueue(wl->freezable_wq); |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 6069 | |
Arik Nemtsov | 96e0c68 | 2011-12-07 21:09:03 +0200 | [diff] [blame] | 6070 | kfree(wl->priv); |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 6071 | ieee80211_free_hw(wl->hw); |
| 6072 | |
| 6073 | return 0; |
| 6074 | } |
Luciano Coelho | ffeb501 | 2011-11-21 18:55:51 +0200 | [diff] [blame] | 6075 | EXPORT_SYMBOL_GPL(wlcore_free_hw); |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 6076 | |
Johannes Berg | 964dc9e | 2013-06-03 17:25:34 +0200 | [diff] [blame] | 6077 | #ifdef CONFIG_PM |
| 6078 | static const struct wiphy_wowlan_support wlcore_wowlan_support = { |
| 6079 | .flags = WIPHY_WOWLAN_ANY, |
| 6080 | .n_patterns = WL1271_MAX_RX_FILTERS, |
| 6081 | .pattern_min_len = 1, |
| 6082 | .pattern_max_len = WL1271_RX_FILTER_MAX_PATTERN_SIZE, |
| 6083 | }; |
| 6084 | #endif |
| 6085 | |
Arik Nemtsov | f2cede4 | 2013-09-17 18:41:30 +0300 | [diff] [blame] | 6086 | static irqreturn_t wlcore_hardirq(int irq, void *cookie) |
| 6087 | { |
| 6088 | return IRQ_WAKE_THREAD; |
| 6089 | } |
| 6090 | |
Ido Yariv | 6f8d6b2 | 2012-09-02 01:32:47 +0300 | [diff] [blame] | 6091 | static void wlcore_nvs_cb(const struct firmware *fw, void *context) |
Felipe Balbi | ce2a217 | 2011-10-05 14:12:55 +0300 | [diff] [blame] | 6092 | { |
Ido Yariv | 6f8d6b2 | 2012-09-02 01:32:47 +0300 | [diff] [blame] | 6093 | struct wl1271 *wl = context; |
| 6094 | struct platform_device *pdev = wl->pdev; |
Jingoo Han | 9065062 | 2013-09-10 17:57:57 +0900 | [diff] [blame] | 6095 | struct wlcore_platdev_data *pdev_data = dev_get_platdata(&pdev->dev); |
Luciano Coelho | afb43e6 | 2013-01-25 11:57:48 +0200 | [diff] [blame] | 6096 | struct wl12xx_platform_data *pdata = pdev_data->pdata; |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 6097 | unsigned long irqflags; |
Luciano Coelho | ffeb501 | 2011-11-21 18:55:51 +0200 | [diff] [blame] | 6098 | int ret; |
Arik Nemtsov | f2cede4 | 2013-09-17 18:41:30 +0300 | [diff] [blame] | 6099 | irq_handler_t hardirq_fn = NULL; |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 6100 | |
Ido Yariv | 6f8d6b2 | 2012-09-02 01:32:47 +0300 | [diff] [blame] | 6101 | if (fw) { |
| 6102 | wl->nvs = kmemdup(fw->data, fw->size, GFP_KERNEL); |
| 6103 | if (!wl->nvs) { |
| 6104 | wl1271_error("Could not allocate nvs data"); |
| 6105 | goto out; |
| 6106 | } |
| 6107 | wl->nvs_len = fw->size; |
| 6108 | } else { |
| 6109 | wl1271_debug(DEBUG_BOOT, "Could not get nvs file %s", |
| 6110 | WL12XX_NVS_NAME); |
| 6111 | wl->nvs = NULL; |
| 6112 | wl->nvs_len = 0; |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 6113 | } |
| 6114 | |
Ido Yariv | 3992eb2 | 2012-09-02 12:29:27 +0300 | [diff] [blame] | 6115 | ret = wl->ops->setup(wl); |
| 6116 | if (ret < 0) |
Ido Yariv | 6f8d6b2 | 2012-09-02 01:32:47 +0300 | [diff] [blame] | 6117 | goto out_free_nvs; |
Ido Yariv | 3992eb2 | 2012-09-02 12:29:27 +0300 | [diff] [blame] | 6118 | |
Arik Nemtsov | 72b0624 | 2011-12-07 21:21:51 +0200 | [diff] [blame] | 6119 | BUG_ON(wl->num_tx_desc > WLCORE_MAX_TX_DESCRIPTORS); |
| 6120 | |
Luciano Coelho | e87288f | 2011-12-05 16:12:54 +0200 | [diff] [blame] | 6121 | /* adjust some runtime configuration parameters */ |
| 6122 | wlcore_adjust_conf(wl); |
| 6123 | |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 6124 | wl->irq = platform_get_irq(pdev, 0); |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 6125 | wl->platform_quirks = pdata->platform_quirks; |
Luciano Coelho | afb43e6 | 2013-01-25 11:57:48 +0200 | [diff] [blame] | 6126 | wl->if_ops = pdev_data->if_ops; |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 6127 | |
Arik Nemtsov | f2cede4 | 2013-09-17 18:41:30 +0300 | [diff] [blame] | 6128 | if (wl->platform_quirks & WL12XX_PLATFORM_QUIRK_EDGE_IRQ) { |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 6129 | irqflags = IRQF_TRIGGER_RISING; |
Arik Nemtsov | f2cede4 | 2013-09-17 18:41:30 +0300 | [diff] [blame] | 6130 | hardirq_fn = wlcore_hardirq; |
| 6131 | } else { |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 6132 | irqflags = IRQF_TRIGGER_HIGH | IRQF_ONESHOT; |
Arik Nemtsov | f2cede4 | 2013-09-17 18:41:30 +0300 | [diff] [blame] | 6133 | } |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 6134 | |
Arik Nemtsov | f2cede4 | 2013-09-17 18:41:30 +0300 | [diff] [blame] | 6135 | ret = request_threaded_irq(wl->irq, hardirq_fn, wlcore_irq, |
Luciano Coelho | 97236a0 | 2013-03-08 09:41:53 +0200 | [diff] [blame] | 6136 | irqflags, pdev->name, wl); |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 6137 | if (ret < 0) { |
| 6138 | wl1271_error("request_irq() failed: %d", ret); |
Ido Yariv | 6f8d6b2 | 2012-09-02 01:32:47 +0300 | [diff] [blame] | 6139 | goto out_free_nvs; |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 6140 | } |
| 6141 | |
Johannes Berg | dfb89c5 | 2012-06-27 09:23:48 +0200 | [diff] [blame] | 6142 | #ifdef CONFIG_PM |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 6143 | ret = enable_irq_wake(wl->irq); |
| 6144 | if (!ret) { |
| 6145 | wl->irq_wake_enabled = true; |
| 6146 | device_init_wakeup(wl->dev, 1); |
Johannes Berg | 964dc9e | 2013-06-03 17:25:34 +0200 | [diff] [blame] | 6147 | if (pdata->pwr_in_suspend) |
| 6148 | wl->hw->wiphy->wowlan = &wlcore_wowlan_support; |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 6149 | } |
Johannes Berg | dfb89c5 | 2012-06-27 09:23:48 +0200 | [diff] [blame] | 6150 | #endif |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 6151 | disable_irq(wl->irq); |
| 6152 | |
Luciano Coelho | 4afc37a | 2012-05-10 12:14:02 +0300 | [diff] [blame] | 6153 | ret = wl12xx_get_hw_info(wl); |
| 6154 | if (ret < 0) { |
| 6155 | wl1271_error("couldn't get hw info"); |
Luciano Coelho | 8b425e6 | 2012-06-25 14:41:20 +0300 | [diff] [blame] | 6156 | goto out_irq; |
Luciano Coelho | 4afc37a | 2012-05-10 12:14:02 +0300 | [diff] [blame] | 6157 | } |
| 6158 | |
| 6159 | ret = wl->ops->identify_chip(wl); |
| 6160 | if (ret < 0) |
Luciano Coelho | 8b425e6 | 2012-06-25 14:41:20 +0300 | [diff] [blame] | 6161 | goto out_irq; |
Luciano Coelho | 4afc37a | 2012-05-10 12:14:02 +0300 | [diff] [blame] | 6162 | |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 6163 | ret = wl1271_init_ieee80211(wl); |
| 6164 | if (ret) |
| 6165 | goto out_irq; |
| 6166 | |
| 6167 | ret = wl1271_register_hw(wl); |
| 6168 | if (ret) |
| 6169 | goto out_irq; |
| 6170 | |
Luciano Coelho | 33cab57 | 2013-05-04 02:46:38 +0300 | [diff] [blame] | 6171 | ret = wlcore_sysfs_init(wl); |
| 6172 | if (ret) |
Luciano Coelho | 8b425e6 | 2012-06-25 14:41:20 +0300 | [diff] [blame] | 6173 | goto out_unreg; |
Felipe Balbi | f79f890 | 2011-10-06 13:05:25 +0300 | [diff] [blame] | 6174 | |
Ido Yariv | 6f8d6b2 | 2012-09-02 01:32:47 +0300 | [diff] [blame] | 6175 | wl->initialized = true; |
Luciano Coelho | ffeb501 | 2011-11-21 18:55:51 +0200 | [diff] [blame] | 6176 | goto out; |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 6177 | |
Luciano Coelho | 8b425e6 | 2012-06-25 14:41:20 +0300 | [diff] [blame] | 6178 | out_unreg: |
| 6179 | wl1271_unregister_hw(wl); |
| 6180 | |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 6181 | out_irq: |
| 6182 | free_irq(wl->irq, wl); |
| 6183 | |
Ido Yariv | 6f8d6b2 | 2012-09-02 01:32:47 +0300 | [diff] [blame] | 6184 | out_free_nvs: |
| 6185 | kfree(wl->nvs); |
| 6186 | |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 6187 | out: |
Ido Yariv | 6f8d6b2 | 2012-09-02 01:32:47 +0300 | [diff] [blame] | 6188 | release_firmware(fw); |
| 6189 | complete_all(&wl->nvs_loading_complete); |
| 6190 | } |
| 6191 | |
Bill Pemberton | b74324d | 2012-12-03 09:56:42 -0500 | [diff] [blame] | 6192 | int wlcore_probe(struct wl1271 *wl, struct platform_device *pdev) |
Ido Yariv | 6f8d6b2 | 2012-09-02 01:32:47 +0300 | [diff] [blame] | 6193 | { |
| 6194 | int ret; |
| 6195 | |
| 6196 | if (!wl->ops || !wl->ptable) |
| 6197 | return -EINVAL; |
| 6198 | |
| 6199 | wl->dev = &pdev->dev; |
| 6200 | wl->pdev = pdev; |
| 6201 | platform_set_drvdata(pdev, wl); |
| 6202 | |
| 6203 | ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG, |
| 6204 | WL12XX_NVS_NAME, &pdev->dev, GFP_KERNEL, |
| 6205 | wl, wlcore_nvs_cb); |
| 6206 | if (ret < 0) { |
| 6207 | wl1271_error("request_firmware_nowait failed: %d", ret); |
| 6208 | complete_all(&wl->nvs_loading_complete); |
| 6209 | } |
| 6210 | |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 6211 | return ret; |
Felipe Balbi | ce2a217 | 2011-10-05 14:12:55 +0300 | [diff] [blame] | 6212 | } |
Luciano Coelho | b2ba99f | 2011-11-20 23:32:10 +0200 | [diff] [blame] | 6213 | EXPORT_SYMBOL_GPL(wlcore_probe); |
Felipe Balbi | ce2a217 | 2011-10-05 14:12:55 +0300 | [diff] [blame] | 6214 | |
Bill Pemberton | b74324d | 2012-12-03 09:56:42 -0500 | [diff] [blame] | 6215 | int wlcore_remove(struct platform_device *pdev) |
Felipe Balbi | ce2a217 | 2011-10-05 14:12:55 +0300 | [diff] [blame] | 6216 | { |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 6217 | struct wl1271 *wl = platform_get_drvdata(pdev); |
| 6218 | |
Ido Yariv | 6f8d6b2 | 2012-09-02 01:32:47 +0300 | [diff] [blame] | 6219 | wait_for_completion(&wl->nvs_loading_complete); |
| 6220 | if (!wl->initialized) |
| 6221 | return 0; |
| 6222 | |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 6223 | if (wl->irq_wake_enabled) { |
| 6224 | device_init_wakeup(wl->dev, 0); |
| 6225 | disable_irq_wake(wl->irq); |
| 6226 | } |
| 6227 | wl1271_unregister_hw(wl); |
| 6228 | free_irq(wl->irq, wl); |
Luciano Coelho | ffeb501 | 2011-11-21 18:55:51 +0200 | [diff] [blame] | 6229 | wlcore_free_hw(wl); |
Felipe Balbi | a390e85 | 2011-10-06 10:07:44 +0300 | [diff] [blame] | 6230 | |
Felipe Balbi | ce2a217 | 2011-10-05 14:12:55 +0300 | [diff] [blame] | 6231 | return 0; |
| 6232 | } |
Luciano Coelho | b2ba99f | 2011-11-20 23:32:10 +0200 | [diff] [blame] | 6233 | EXPORT_SYMBOL_GPL(wlcore_remove); |
Felipe Balbi | ce2a217 | 2011-10-05 14:12:55 +0300 | [diff] [blame] | 6234 | |
Guy Eilam | 491bbd6 | 2011-01-12 10:33:29 +0100 | [diff] [blame] | 6235 | u32 wl12xx_debug_level = DEBUG_NONE; |
Eliad Peller | 17c1755 | 2010-12-12 12:15:35 +0200 | [diff] [blame] | 6236 | EXPORT_SYMBOL_GPL(wl12xx_debug_level); |
Guy Eilam | 491bbd6 | 2011-01-12 10:33:29 +0100 | [diff] [blame] | 6237 | module_param_named(debug_level, wl12xx_debug_level, uint, S_IRUSR | S_IWUSR); |
Eliad Peller | 17c1755 | 2010-12-12 12:15:35 +0200 | [diff] [blame] | 6238 | MODULE_PARM_DESC(debug_level, "wl12xx debugging level"); |
| 6239 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 6240 | module_param_named(fwlog, fwlog_param, charp, 0); |
Luciano Coelho | 2c882fa | 2012-02-07 12:37:33 +0200 | [diff] [blame] | 6241 | MODULE_PARM_DESC(fwlog, |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 6242 | "FW logger options: continuous, ondemand, dbgpins or disable"); |
| 6243 | |
Ido Reis | 93ac848 | 2013-09-09 12:24:36 +0300 | [diff] [blame] | 6244 | module_param(fwlog_mem_blocks, int, S_IRUSR | S_IWUSR); |
| 6245 | MODULE_PARM_DESC(fwlog_mem_blocks, "fwlog mem_blocks"); |
| 6246 | |
Yair Shapira | 7230341 | 2012-11-26 18:05:50 +0200 | [diff] [blame] | 6247 | module_param(bug_on_recovery, int, S_IRUSR | S_IWUSR); |
Eliad Peller | 2a5bff0 | 2011-08-25 18:10:59 +0300 | [diff] [blame] | 6248 | MODULE_PARM_DESC(bug_on_recovery, "BUG() on fw recovery"); |
| 6249 | |
Yair Shapira | 7230341 | 2012-11-26 18:05:50 +0200 | [diff] [blame] | 6250 | module_param(no_recovery, int, S_IRUSR | S_IWUSR); |
Arik Nemtsov | 34785be | 2011-12-08 13:06:45 +0200 | [diff] [blame] | 6251 | MODULE_PARM_DESC(no_recovery, "Prevent HW recovery. FW will remain stuck."); |
| 6252 | |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 6253 | MODULE_LICENSE("GPL"); |
Luciano Coelho | b1a48ca | 2011-02-22 14:19:28 +0200 | [diff] [blame] | 6254 | MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>"); |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 6255 | MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); |
Tim Gardner | 0635ad4 | 2012-08-29 13:09:33 -0600 | [diff] [blame] | 6256 | MODULE_FIRMWARE(WL12XX_NVS_NAME); |