Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2010 Atheros Communications Inc. |
| 3 | * |
| 4 | * Permission to use, copy, modify, and/or distribute this software for any |
| 5 | * purpose with or without fee is hereby granted, provided that the above |
| 6 | * copyright notice and this permission notice appear in all copies. |
| 7 | * |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 15 | */ |
| 16 | |
| 17 | #include "htc.h" |
| 18 | |
| 19 | #ifdef CONFIG_ATH9K_HTC_DEBUGFS |
| 20 | static struct dentry *ath9k_debugfs_root; |
| 21 | #endif |
| 22 | |
| 23 | /*************/ |
| 24 | /* Utilities */ |
| 25 | /*************/ |
| 26 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 27 | /* HACK Alert: Use 11NG for 2.4, use 11NA for 5 */ |
| 28 | static enum htc_phymode ath9k_htc_get_curmode(struct ath9k_htc_priv *priv, |
| 29 | struct ath9k_channel *ichan) |
| 30 | { |
| 31 | enum htc_phymode mode; |
| 32 | |
| 33 | mode = HTC_MODE_AUTO; |
| 34 | |
| 35 | switch (ichan->chanmode) { |
| 36 | case CHANNEL_G: |
| 37 | case CHANNEL_G_HT20: |
| 38 | case CHANNEL_G_HT40PLUS: |
| 39 | case CHANNEL_G_HT40MINUS: |
| 40 | mode = HTC_MODE_11NG; |
| 41 | break; |
| 42 | case CHANNEL_A: |
| 43 | case CHANNEL_A_HT20: |
| 44 | case CHANNEL_A_HT40PLUS: |
| 45 | case CHANNEL_A_HT40MINUS: |
| 46 | mode = HTC_MODE_11NA; |
| 47 | break; |
| 48 | default: |
| 49 | break; |
| 50 | } |
| 51 | |
| 52 | return mode; |
| 53 | } |
| 54 | |
Sujith Manoharan | f933ebe | 2010-12-01 12:30:27 +0530 | [diff] [blame] | 55 | bool ath9k_htc_setpower(struct ath9k_htc_priv *priv, |
| 56 | enum ath9k_power_mode mode) |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 57 | { |
| 58 | bool ret; |
| 59 | |
| 60 | mutex_lock(&priv->htc_pm_lock); |
| 61 | ret = ath9k_hw_setpower(priv->ah, mode); |
| 62 | mutex_unlock(&priv->htc_pm_lock); |
| 63 | |
| 64 | return ret; |
| 65 | } |
| 66 | |
| 67 | void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv) |
| 68 | { |
| 69 | mutex_lock(&priv->htc_pm_lock); |
| 70 | if (++priv->ps_usecount != 1) |
| 71 | goto unlock; |
| 72 | ath9k_hw_setpower(priv->ah, ATH9K_PM_AWAKE); |
| 73 | |
| 74 | unlock: |
| 75 | mutex_unlock(&priv->htc_pm_lock); |
| 76 | } |
| 77 | |
| 78 | void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv) |
| 79 | { |
| 80 | mutex_lock(&priv->htc_pm_lock); |
| 81 | if (--priv->ps_usecount != 0) |
| 82 | goto unlock; |
| 83 | |
Vivek Natarajan | 8a8572a | 2010-04-27 13:05:37 +0530 | [diff] [blame] | 84 | if (priv->ps_idle) |
| 85 | ath9k_hw_setpower(priv->ah, ATH9K_PM_FULL_SLEEP); |
| 86 | else if (priv->ps_enabled) |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 87 | ath9k_hw_setpower(priv->ah, ATH9K_PM_NETWORK_SLEEP); |
Vivek Natarajan | 8a8572a | 2010-04-27 13:05:37 +0530 | [diff] [blame] | 88 | |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 89 | unlock: |
| 90 | mutex_unlock(&priv->htc_pm_lock); |
| 91 | } |
| 92 | |
| 93 | void ath9k_ps_work(struct work_struct *work) |
| 94 | { |
| 95 | struct ath9k_htc_priv *priv = |
| 96 | container_of(work, struct ath9k_htc_priv, |
| 97 | ps_work); |
| 98 | ath9k_htc_setpower(priv, ATH9K_PM_AWAKE); |
| 99 | |
| 100 | /* The chip wakes up after receiving the first beacon |
| 101 | while network sleep is enabled. For the driver to |
| 102 | be in sync with the hw, set the chip to awake and |
| 103 | only then set it to sleep. |
| 104 | */ |
| 105 | ath9k_htc_setpower(priv, ATH9K_PM_NETWORK_SLEEP); |
| 106 | } |
| 107 | |
Sujith Manoharan | 7c27734 | 2011-02-21 07:48:39 +0530 | [diff] [blame] | 108 | static void ath9k_htc_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif) |
| 109 | { |
| 110 | struct ath9k_htc_priv *priv = data; |
| 111 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; |
| 112 | |
| 113 | if (bss_conf->assoc) { |
| 114 | priv->rearm_ani = true; |
| 115 | priv->reconfig_beacon = true; |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | static void ath9k_htc_vif_reconfig(struct ath9k_htc_priv *priv) |
| 120 | { |
| 121 | priv->rearm_ani = false; |
| 122 | priv->reconfig_beacon = false; |
| 123 | |
| 124 | ieee80211_iterate_active_interfaces_atomic(priv->hw, |
| 125 | ath9k_htc_vif_iter, priv); |
| 126 | if (priv->rearm_ani) |
| 127 | ath_start_ani(priv); |
| 128 | |
| 129 | if (priv->reconfig_beacon) { |
| 130 | ath9k_htc_ps_wakeup(priv); |
| 131 | ath9k_htc_beacon_reconfig(priv); |
| 132 | ath9k_htc_ps_restore(priv); |
| 133 | } |
| 134 | } |
| 135 | |
Sujith Manoharan | 585895c | 2011-02-21 07:48:46 +0530 | [diff] [blame] | 136 | static void ath9k_htc_bssid_iter(void *data, u8 *mac, struct ieee80211_vif *vif) |
| 137 | { |
| 138 | struct ath9k_vif_iter_data *iter_data = data; |
| 139 | int i; |
| 140 | |
| 141 | for (i = 0; i < ETH_ALEN; i++) |
| 142 | iter_data->mask[i] &= ~(iter_data->hw_macaddr[i] ^ mac[i]); |
| 143 | } |
| 144 | |
| 145 | static void ath9k_htc_set_bssid_mask(struct ath9k_htc_priv *priv, |
| 146 | struct ieee80211_vif *vif) |
| 147 | { |
| 148 | struct ath_common *common = ath9k_hw_common(priv->ah); |
| 149 | struct ath9k_vif_iter_data iter_data; |
| 150 | |
| 151 | /* |
| 152 | * Use the hardware MAC address as reference, the hardware uses it |
| 153 | * together with the BSSID mask when matching addresses. |
| 154 | */ |
| 155 | iter_data.hw_macaddr = common->macaddr; |
| 156 | memset(&iter_data.mask, 0xff, ETH_ALEN); |
| 157 | |
| 158 | if (vif) |
| 159 | ath9k_htc_bssid_iter(&iter_data, vif->addr, vif); |
| 160 | |
| 161 | /* Get list of all active MAC addresses */ |
| 162 | ieee80211_iterate_active_interfaces_atomic(priv->hw, ath9k_htc_bssid_iter, |
| 163 | &iter_data); |
| 164 | |
| 165 | memcpy(common->bssidmask, iter_data.mask, ETH_ALEN); |
| 166 | ath_hw_setbssidmask(common); |
| 167 | } |
| 168 | |
Sujith Manoharan | 7390867 | 2010-12-28 14:28:27 +0530 | [diff] [blame] | 169 | void ath9k_htc_reset(struct ath9k_htc_priv *priv) |
| 170 | { |
| 171 | struct ath_hw *ah = priv->ah; |
| 172 | struct ath_common *common = ath9k_hw_common(ah); |
| 173 | struct ieee80211_channel *channel = priv->hw->conf.channel; |
Rajkumar Manoharan | 4e3ae38 | 2011-01-15 01:33:28 +0530 | [diff] [blame] | 174 | struct ath9k_hw_cal_data *caldata = NULL; |
Sujith Manoharan | 7390867 | 2010-12-28 14:28:27 +0530 | [diff] [blame] | 175 | enum htc_phymode mode; |
| 176 | __be16 htc_mode; |
| 177 | u8 cmd_rsp; |
| 178 | int ret; |
| 179 | |
| 180 | mutex_lock(&priv->mutex); |
| 181 | ath9k_htc_ps_wakeup(priv); |
| 182 | |
Sujith Manoharan | 7c27734 | 2011-02-21 07:48:39 +0530 | [diff] [blame] | 183 | cancel_delayed_work_sync(&priv->ath9k_ani_work); |
Sujith Manoharan | 7390867 | 2010-12-28 14:28:27 +0530 | [diff] [blame] | 184 | ieee80211_stop_queues(priv->hw); |
| 185 | htc_stop(priv->htc); |
| 186 | WMI_CMD(WMI_DISABLE_INTR_CMDID); |
| 187 | WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID); |
| 188 | WMI_CMD(WMI_STOP_RECV_CMDID); |
| 189 | |
Rajkumar Manoharan | 4e3ae38 | 2011-01-15 01:33:28 +0530 | [diff] [blame] | 190 | caldata = &priv->caldata; |
Sujith Manoharan | 7390867 | 2010-12-28 14:28:27 +0530 | [diff] [blame] | 191 | ret = ath9k_hw_reset(ah, ah->curchan, caldata, false); |
| 192 | if (ret) { |
| 193 | ath_err(common, |
| 194 | "Unable to reset device (%u Mhz) reset status %d\n", |
| 195 | channel->center_freq, ret); |
| 196 | } |
| 197 | |
Rajkumar Manoharan | b2a5c3d | 2011-01-31 23:47:45 +0530 | [diff] [blame] | 198 | ath9k_cmn_update_txpow(ah, priv->curtxpow, priv->txpowlimit, |
| 199 | &priv->curtxpow); |
Sujith Manoharan | 7390867 | 2010-12-28 14:28:27 +0530 | [diff] [blame] | 200 | |
| 201 | WMI_CMD(WMI_START_RECV_CMDID); |
| 202 | ath9k_host_rx_init(priv); |
| 203 | |
| 204 | mode = ath9k_htc_get_curmode(priv, ah->curchan); |
| 205 | htc_mode = cpu_to_be16(mode); |
| 206 | WMI_CMD_BUF(WMI_SET_MODE_CMDID, &htc_mode); |
| 207 | |
| 208 | WMI_CMD(WMI_ENABLE_INTR_CMDID); |
| 209 | htc_start(priv->htc); |
Sujith Manoharan | 7c27734 | 2011-02-21 07:48:39 +0530 | [diff] [blame] | 210 | ath9k_htc_vif_reconfig(priv); |
Sujith Manoharan | 7390867 | 2010-12-28 14:28:27 +0530 | [diff] [blame] | 211 | ieee80211_wake_queues(priv->hw); |
| 212 | |
| 213 | ath9k_htc_ps_restore(priv); |
| 214 | mutex_unlock(&priv->mutex); |
| 215 | } |
| 216 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 217 | static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv, |
| 218 | struct ieee80211_hw *hw, |
| 219 | struct ath9k_channel *hchan) |
| 220 | { |
| 221 | struct ath_hw *ah = priv->ah; |
| 222 | struct ath_common *common = ath9k_hw_common(ah); |
| 223 | struct ieee80211_conf *conf = &common->hw->conf; |
Sujith Manoharan | 039a072 | 2010-12-28 14:28:37 +0530 | [diff] [blame] | 224 | bool fastcc; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 225 | struct ieee80211_channel *channel = hw->conf.channel; |
Vivek Natarajan | 8354dd3 | 2011-02-18 16:09:51 +0530 | [diff] [blame] | 226 | struct ath9k_hw_cal_data *caldata = NULL; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 227 | enum htc_phymode mode; |
Sujith | 7f1f5a0 | 2010-04-16 11:54:03 +0530 | [diff] [blame] | 228 | __be16 htc_mode; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 229 | u8 cmd_rsp; |
| 230 | int ret; |
| 231 | |
| 232 | if (priv->op_flags & OP_INVALID) |
| 233 | return -EIO; |
| 234 | |
Sujith Manoharan | 039a072 | 2010-12-28 14:28:37 +0530 | [diff] [blame] | 235 | fastcc = !!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 236 | |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 237 | ath9k_htc_ps_wakeup(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 238 | htc_stop(priv->htc); |
| 239 | WMI_CMD(WMI_DISABLE_INTR_CMDID); |
| 240 | WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID); |
| 241 | WMI_CMD(WMI_STOP_RECV_CMDID); |
| 242 | |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 243 | ath_dbg(common, ATH_DBG_CONFIG, |
| 244 | "(%u MHz) -> (%u MHz), HT: %d, HT40: %d fastcc: %d\n", |
| 245 | priv->ah->curchan->channel, |
| 246 | channel->center_freq, conf_is_ht(conf), conf_is_ht40(conf), |
| 247 | fastcc); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 248 | |
Rajkumar Manoharan | 4e3ae38 | 2011-01-15 01:33:28 +0530 | [diff] [blame] | 249 | if (!fastcc) |
| 250 | caldata = &priv->caldata; |
Felix Fietkau | 20bd2a0 | 2010-07-31 00:12:00 +0200 | [diff] [blame] | 251 | ret = ath9k_hw_reset(ah, hchan, caldata, fastcc); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 252 | if (ret) { |
Joe Perches | 3800276 | 2010-12-02 19:12:36 -0800 | [diff] [blame] | 253 | ath_err(common, |
| 254 | "Unable to reset channel (%u Mhz) reset status %d\n", |
| 255 | channel->center_freq, ret); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 256 | goto err; |
| 257 | } |
| 258 | |
Rajkumar Manoharan | b2a5c3d | 2011-01-31 23:47:45 +0530 | [diff] [blame] | 259 | ath9k_cmn_update_txpow(ah, priv->curtxpow, priv->txpowlimit, |
| 260 | &priv->curtxpow); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 261 | |
| 262 | WMI_CMD(WMI_START_RECV_CMDID); |
| 263 | if (ret) |
| 264 | goto err; |
| 265 | |
| 266 | ath9k_host_rx_init(priv); |
| 267 | |
| 268 | mode = ath9k_htc_get_curmode(priv, hchan); |
| 269 | htc_mode = cpu_to_be16(mode); |
| 270 | WMI_CMD_BUF(WMI_SET_MODE_CMDID, &htc_mode); |
| 271 | if (ret) |
| 272 | goto err; |
| 273 | |
| 274 | WMI_CMD(WMI_ENABLE_INTR_CMDID); |
| 275 | if (ret) |
| 276 | goto err; |
| 277 | |
| 278 | htc_start(priv->htc); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 279 | err: |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 280 | ath9k_htc_ps_restore(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 281 | return ret; |
| 282 | } |
| 283 | |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 284 | /* |
| 285 | * Monitor mode handling is a tad complicated because the firmware requires |
| 286 | * an interface to be created exclusively, while mac80211 doesn't associate |
| 287 | * an interface with the mode. |
| 288 | * |
| 289 | * So, for now, only one monitor interface can be configured. |
| 290 | */ |
Sujith Manoharan | cc72128 | 2011-01-03 21:22:18 +0530 | [diff] [blame] | 291 | static void __ath9k_htc_remove_monitor_interface(struct ath9k_htc_priv *priv) |
Rajkumar Manoharan | 81fc2a3 | 2010-11-26 23:24:33 +0530 | [diff] [blame] | 292 | { |
| 293 | struct ath_common *common = ath9k_hw_common(priv->ah); |
| 294 | struct ath9k_htc_target_vif hvif; |
| 295 | int ret = 0; |
| 296 | u8 cmd_rsp; |
| 297 | |
Sujith Manoharan | cc72128 | 2011-01-03 21:22:18 +0530 | [diff] [blame] | 298 | memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif)); |
| 299 | memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN); |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 300 | hvif.index = priv->mon_vif_idx; |
Sujith Manoharan | cc72128 | 2011-01-03 21:22:18 +0530 | [diff] [blame] | 301 | WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif); |
| 302 | priv->nvifs--; |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 303 | priv->vif_slot &= ~(1 << priv->mon_vif_idx); |
Sujith Manoharan | cc72128 | 2011-01-03 21:22:18 +0530 | [diff] [blame] | 304 | } |
| 305 | |
| 306 | static int ath9k_htc_add_monitor_interface(struct ath9k_htc_priv *priv) |
| 307 | { |
| 308 | struct ath_common *common = ath9k_hw_common(priv->ah); |
| 309 | struct ath9k_htc_target_vif hvif; |
| 310 | struct ath9k_htc_target_sta tsta; |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 311 | int ret = 0, sta_idx; |
Sujith Manoharan | cc72128 | 2011-01-03 21:22:18 +0530 | [diff] [blame] | 312 | u8 cmd_rsp; |
| 313 | |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 314 | if ((priv->nvifs >= ATH9K_HTC_MAX_VIF) || |
| 315 | (priv->nstations >= ATH9K_HTC_MAX_STA)) { |
| 316 | ret = -ENOBUFS; |
| 317 | goto err_vif; |
| 318 | } |
Rajkumar Manoharan | 81fc2a3 | 2010-11-26 23:24:33 +0530 | [diff] [blame] | 319 | |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 320 | sta_idx = ffz(priv->sta_slot); |
| 321 | if ((sta_idx < 0) || (sta_idx > ATH9K_HTC_MAX_STA)) { |
| 322 | ret = -ENOBUFS; |
| 323 | goto err_vif; |
| 324 | } |
Sujith Manoharan | cc72128 | 2011-01-03 21:22:18 +0530 | [diff] [blame] | 325 | |
| 326 | /* |
| 327 | * Add an interface. |
| 328 | */ |
Rajkumar Manoharan | 81fc2a3 | 2010-11-26 23:24:33 +0530 | [diff] [blame] | 329 | memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif)); |
| 330 | memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN); |
| 331 | |
| 332 | hvif.opmode = cpu_to_be32(HTC_M_MONITOR); |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 333 | hvif.index = ffz(priv->vif_slot); |
Rajkumar Manoharan | 81fc2a3 | 2010-11-26 23:24:33 +0530 | [diff] [blame] | 334 | |
| 335 | WMI_CMD_BUF(WMI_VAP_CREATE_CMDID, &hvif); |
| 336 | if (ret) |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 337 | goto err_vif; |
| 338 | |
| 339 | /* |
| 340 | * Assign the monitor interface index as a special case here. |
| 341 | * This is needed when the interface is brought down. |
| 342 | */ |
| 343 | priv->mon_vif_idx = hvif.index; |
| 344 | priv->vif_slot |= (1 << hvif.index); |
| 345 | |
| 346 | /* |
| 347 | * Set the hardware mode to monitor only if there are no |
| 348 | * other interfaces. |
| 349 | */ |
| 350 | if (!priv->nvifs) |
| 351 | priv->ah->opmode = NL80211_IFTYPE_MONITOR; |
Rajkumar Manoharan | 81fc2a3 | 2010-11-26 23:24:33 +0530 | [diff] [blame] | 352 | |
| 353 | priv->nvifs++; |
Sujith Manoharan | cc72128 | 2011-01-03 21:22:18 +0530 | [diff] [blame] | 354 | |
| 355 | /* |
| 356 | * Associate a station with the interface for packet injection. |
| 357 | */ |
Sujith Manoharan | cc72128 | 2011-01-03 21:22:18 +0530 | [diff] [blame] | 358 | memset(&tsta, 0, sizeof(struct ath9k_htc_target_sta)); |
| 359 | |
| 360 | memcpy(&tsta.macaddr, common->macaddr, ETH_ALEN); |
| 361 | |
| 362 | tsta.is_vif_sta = 1; |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 363 | tsta.sta_index = sta_idx; |
Sujith Manoharan | cc72128 | 2011-01-03 21:22:18 +0530 | [diff] [blame] | 364 | tsta.vif_index = hvif.index; |
| 365 | tsta.maxampdu = 0xffff; |
| 366 | |
| 367 | WMI_CMD_BUF(WMI_NODE_CREATE_CMDID, &tsta); |
| 368 | if (ret) { |
| 369 | ath_err(common, "Unable to add station entry for monitor mode\n"); |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 370 | goto err_sta; |
Sujith Manoharan | cc72128 | 2011-01-03 21:22:18 +0530 | [diff] [blame] | 371 | } |
| 372 | |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 373 | priv->sta_slot |= (1 << sta_idx); |
Sujith Manoharan | cc72128 | 2011-01-03 21:22:18 +0530 | [diff] [blame] | 374 | priv->nstations++; |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 375 | priv->vif_sta_pos[priv->mon_vif_idx] = sta_idx; |
Sujith Manoharan | 55de80d | 2011-01-05 01:06:21 +0530 | [diff] [blame] | 376 | priv->ah->is_monitoring = true; |
| 377 | |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 378 | ath_dbg(common, ATH_DBG_CONFIG, |
| 379 | "Attached a monitor interface at idx: %d, sta idx: %d\n", |
| 380 | priv->mon_vif_idx, sta_idx); |
| 381 | |
Rajkumar Manoharan | 81fc2a3 | 2010-11-26 23:24:33 +0530 | [diff] [blame] | 382 | return 0; |
Sujith Manoharan | cc72128 | 2011-01-03 21:22:18 +0530 | [diff] [blame] | 383 | |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 384 | err_sta: |
Sujith Manoharan | cc72128 | 2011-01-03 21:22:18 +0530 | [diff] [blame] | 385 | /* |
| 386 | * Remove the interface from the target. |
| 387 | */ |
| 388 | __ath9k_htc_remove_monitor_interface(priv); |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 389 | err_vif: |
| 390 | ath_dbg(common, ATH_DBG_FATAL, "Unable to attach a monitor interface\n"); |
| 391 | |
Sujith Manoharan | cc72128 | 2011-01-03 21:22:18 +0530 | [diff] [blame] | 392 | return ret; |
Rajkumar Manoharan | 81fc2a3 | 2010-11-26 23:24:33 +0530 | [diff] [blame] | 393 | } |
| 394 | |
| 395 | static int ath9k_htc_remove_monitor_interface(struct ath9k_htc_priv *priv) |
| 396 | { |
| 397 | struct ath_common *common = ath9k_hw_common(priv->ah); |
Rajkumar Manoharan | 81fc2a3 | 2010-11-26 23:24:33 +0530 | [diff] [blame] | 398 | int ret = 0; |
Sujith Manoharan | cc72128 | 2011-01-03 21:22:18 +0530 | [diff] [blame] | 399 | u8 cmd_rsp, sta_idx; |
Rajkumar Manoharan | 81fc2a3 | 2010-11-26 23:24:33 +0530 | [diff] [blame] | 400 | |
Sujith Manoharan | cc72128 | 2011-01-03 21:22:18 +0530 | [diff] [blame] | 401 | __ath9k_htc_remove_monitor_interface(priv); |
Rajkumar Manoharan | 81fc2a3 | 2010-11-26 23:24:33 +0530 | [diff] [blame] | 402 | |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 403 | sta_idx = priv->vif_sta_pos[priv->mon_vif_idx]; |
Sujith Manoharan | cc72128 | 2011-01-03 21:22:18 +0530 | [diff] [blame] | 404 | |
| 405 | WMI_CMD_BUF(WMI_NODE_REMOVE_CMDID, &sta_idx); |
| 406 | if (ret) { |
| 407 | ath_err(common, "Unable to remove station entry for monitor mode\n"); |
| 408 | return ret; |
| 409 | } |
| 410 | |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 411 | priv->sta_slot &= ~(1 << sta_idx); |
Sujith Manoharan | cc72128 | 2011-01-03 21:22:18 +0530 | [diff] [blame] | 412 | priv->nstations--; |
Sujith Manoharan | 55de80d | 2011-01-05 01:06:21 +0530 | [diff] [blame] | 413 | priv->ah->is_monitoring = false; |
Sujith Manoharan | cc72128 | 2011-01-03 21:22:18 +0530 | [diff] [blame] | 414 | |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 415 | ath_dbg(common, ATH_DBG_CONFIG, |
| 416 | "Removed a monitor interface at idx: %d, sta idx: %d\n", |
| 417 | priv->mon_vif_idx, sta_idx); |
| 418 | |
Sujith Manoharan | cc72128 | 2011-01-03 21:22:18 +0530 | [diff] [blame] | 419 | return 0; |
Rajkumar Manoharan | 81fc2a3 | 2010-11-26 23:24:33 +0530 | [diff] [blame] | 420 | } |
| 421 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 422 | static int ath9k_htc_add_station(struct ath9k_htc_priv *priv, |
| 423 | struct ieee80211_vif *vif, |
| 424 | struct ieee80211_sta *sta) |
| 425 | { |
| 426 | struct ath_common *common = ath9k_hw_common(priv->ah); |
| 427 | struct ath9k_htc_target_sta tsta; |
| 428 | struct ath9k_htc_vif *avp = (struct ath9k_htc_vif *) vif->drv_priv; |
| 429 | struct ath9k_htc_sta *ista; |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 430 | int ret, sta_idx; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 431 | u8 cmd_rsp; |
| 432 | |
| 433 | if (priv->nstations >= ATH9K_HTC_MAX_STA) |
| 434 | return -ENOBUFS; |
| 435 | |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 436 | sta_idx = ffz(priv->sta_slot); |
| 437 | if ((sta_idx < 0) || (sta_idx > ATH9K_HTC_MAX_STA)) |
| 438 | return -ENOBUFS; |
| 439 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 440 | memset(&tsta, 0, sizeof(struct ath9k_htc_target_sta)); |
| 441 | |
| 442 | if (sta) { |
| 443 | ista = (struct ath9k_htc_sta *) sta->drv_priv; |
| 444 | memcpy(&tsta.macaddr, sta->addr, ETH_ALEN); |
| 445 | memcpy(&tsta.bssid, common->curbssid, ETH_ALEN); |
| 446 | tsta.associd = common->curaid; |
| 447 | tsta.is_vif_sta = 0; |
| 448 | tsta.valid = true; |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 449 | ista->index = sta_idx; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 450 | } else { |
| 451 | memcpy(&tsta.macaddr, vif->addr, ETH_ALEN); |
| 452 | tsta.is_vif_sta = 1; |
| 453 | } |
| 454 | |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 455 | tsta.sta_index = sta_idx; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 456 | tsta.vif_index = avp->index; |
| 457 | tsta.maxampdu = 0xffff; |
| 458 | if (sta && sta->ht_cap.ht_supported) |
| 459 | tsta.flags = cpu_to_be16(ATH_HTC_STA_HT); |
| 460 | |
| 461 | WMI_CMD_BUF(WMI_NODE_CREATE_CMDID, &tsta); |
| 462 | if (ret) { |
| 463 | if (sta) |
Joe Perches | 3800276 | 2010-12-02 19:12:36 -0800 | [diff] [blame] | 464 | ath_err(common, |
| 465 | "Unable to add station entry for: %pM\n", |
| 466 | sta->addr); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 467 | return ret; |
| 468 | } |
| 469 | |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 470 | if (sta) { |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 471 | ath_dbg(common, ATH_DBG_CONFIG, |
| 472 | "Added a station entry for: %pM (idx: %d)\n", |
| 473 | sta->addr, tsta.sta_index); |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 474 | } else { |
| 475 | ath_dbg(common, ATH_DBG_CONFIG, |
| 476 | "Added a station entry for VIF %d (idx: %d)\n", |
| 477 | avp->index, tsta.sta_index); |
| 478 | } |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 479 | |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 480 | priv->sta_slot |= (1 << sta_idx); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 481 | priv->nstations++; |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 482 | if (!sta) |
| 483 | priv->vif_sta_pos[avp->index] = sta_idx; |
| 484 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 485 | return 0; |
| 486 | } |
| 487 | |
| 488 | static int ath9k_htc_remove_station(struct ath9k_htc_priv *priv, |
| 489 | struct ieee80211_vif *vif, |
| 490 | struct ieee80211_sta *sta) |
| 491 | { |
| 492 | struct ath_common *common = ath9k_hw_common(priv->ah); |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 493 | struct ath9k_htc_vif *avp = (struct ath9k_htc_vif *) vif->drv_priv; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 494 | struct ath9k_htc_sta *ista; |
| 495 | int ret; |
| 496 | u8 cmd_rsp, sta_idx; |
| 497 | |
| 498 | if (sta) { |
| 499 | ista = (struct ath9k_htc_sta *) sta->drv_priv; |
| 500 | sta_idx = ista->index; |
| 501 | } else { |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 502 | sta_idx = priv->vif_sta_pos[avp->index]; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 503 | } |
| 504 | |
| 505 | WMI_CMD_BUF(WMI_NODE_REMOVE_CMDID, &sta_idx); |
| 506 | if (ret) { |
| 507 | if (sta) |
Joe Perches | 3800276 | 2010-12-02 19:12:36 -0800 | [diff] [blame] | 508 | ath_err(common, |
| 509 | "Unable to remove station entry for: %pM\n", |
| 510 | sta->addr); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 511 | return ret; |
| 512 | } |
| 513 | |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 514 | if (sta) { |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 515 | ath_dbg(common, ATH_DBG_CONFIG, |
| 516 | "Removed a station entry for: %pM (idx: %d)\n", |
| 517 | sta->addr, sta_idx); |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 518 | } else { |
| 519 | ath_dbg(common, ATH_DBG_CONFIG, |
| 520 | "Removed a station entry for VIF %d (idx: %d)\n", |
| 521 | avp->index, sta_idx); |
| 522 | } |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 523 | |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 524 | priv->sta_slot &= ~(1 << sta_idx); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 525 | priv->nstations--; |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 526 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 527 | return 0; |
| 528 | } |
| 529 | |
Sujith Manoharan | 55de80d | 2011-01-05 01:06:21 +0530 | [diff] [blame] | 530 | int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 531 | { |
| 532 | struct ath9k_htc_cap_target tcap; |
| 533 | int ret; |
| 534 | u8 cmd_rsp; |
| 535 | |
| 536 | memset(&tcap, 0, sizeof(struct ath9k_htc_cap_target)); |
| 537 | |
| 538 | /* FIXME: Values are hardcoded */ |
| 539 | tcap.flags = 0x240c40; |
| 540 | tcap.flags_ext = 0x80601000; |
| 541 | tcap.ampdu_limit = 0xffff0000; |
| 542 | tcap.ampdu_subframes = 20; |
Sujith | 29d9075 | 2010-06-02 15:53:43 +0530 | [diff] [blame] | 543 | tcap.tx_chainmask_legacy = priv->ah->caps.tx_chainmask; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 544 | tcap.protmode = 1; |
Sujith | 29d9075 | 2010-06-02 15:53:43 +0530 | [diff] [blame] | 545 | tcap.tx_chainmask = priv->ah->caps.tx_chainmask; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 546 | |
| 547 | WMI_CMD_BUF(WMI_TARGET_IC_UPDATE_CMDID, &tcap); |
| 548 | |
| 549 | return ret; |
| 550 | } |
| 551 | |
Sujith | 0d425a7 | 2010-05-17 12:01:16 +0530 | [diff] [blame] | 552 | static void ath9k_htc_setup_rate(struct ath9k_htc_priv *priv, |
| 553 | struct ieee80211_sta *sta, |
| 554 | struct ath9k_htc_target_rate *trate) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 555 | { |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 556 | struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv; |
| 557 | struct ieee80211_supported_band *sband; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 558 | u32 caps = 0; |
Sujith | 0d425a7 | 2010-05-17 12:01:16 +0530 | [diff] [blame] | 559 | int i, j; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 560 | |
Sujith | ea46e64 | 2010-06-02 15:53:50 +0530 | [diff] [blame] | 561 | sband = priv->hw->wiphy->bands[priv->hw->conf.channel->band]; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 562 | |
| 563 | for (i = 0, j = 0; i < sband->n_bitrates; i++) { |
| 564 | if (sta->supp_rates[sband->band] & BIT(i)) { |
Sujith | 0d425a7 | 2010-05-17 12:01:16 +0530 | [diff] [blame] | 565 | trate->rates.legacy_rates.rs_rates[j] |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 566 | = (sband->bitrates[i].bitrate * 2) / 10; |
| 567 | j++; |
| 568 | } |
| 569 | } |
Sujith | 0d425a7 | 2010-05-17 12:01:16 +0530 | [diff] [blame] | 570 | trate->rates.legacy_rates.rs_nrates = j; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 571 | |
| 572 | if (sta->ht_cap.ht_supported) { |
| 573 | for (i = 0, j = 0; i < 77; i++) { |
| 574 | if (sta->ht_cap.mcs.rx_mask[i/8] & (1<<(i%8))) |
Sujith | 0d425a7 | 2010-05-17 12:01:16 +0530 | [diff] [blame] | 575 | trate->rates.ht_rates.rs_rates[j++] = i; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 576 | if (j == ATH_HTC_RATE_MAX) |
| 577 | break; |
| 578 | } |
Sujith | 0d425a7 | 2010-05-17 12:01:16 +0530 | [diff] [blame] | 579 | trate->rates.ht_rates.rs_nrates = j; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 580 | |
| 581 | caps = WLAN_RC_HT_FLAG; |
Felix Fietkau | 3553727 | 2010-06-12 17:22:33 +0200 | [diff] [blame] | 582 | if (sta->ht_cap.mcs.rx_mask[1]) |
| 583 | caps |= WLAN_RC_DS_FLAG; |
Vivek Natarajan | 71ba186 | 2010-08-12 14:23:28 +0530 | [diff] [blame] | 584 | if ((sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) && |
| 585 | (conf_is_ht40(&priv->hw->conf))) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 586 | caps |= WLAN_RC_40_FLAG; |
Sujith | b4dec5e | 2010-05-17 12:01:19 +0530 | [diff] [blame] | 587 | if (conf_is_ht40(&priv->hw->conf) && |
| 588 | (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 589 | caps |= WLAN_RC_SGI_FLAG; |
Sujith | b4dec5e | 2010-05-17 12:01:19 +0530 | [diff] [blame] | 590 | else if (conf_is_ht20(&priv->hw->conf) && |
| 591 | (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20)) |
| 592 | caps |= WLAN_RC_SGI_FLAG; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 593 | } |
| 594 | |
Sujith | 0d425a7 | 2010-05-17 12:01:16 +0530 | [diff] [blame] | 595 | trate->sta_index = ista->index; |
| 596 | trate->isnew = 1; |
| 597 | trate->capflags = cpu_to_be32(caps); |
| 598 | } |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 599 | |
Sujith | 0d425a7 | 2010-05-17 12:01:16 +0530 | [diff] [blame] | 600 | static int ath9k_htc_send_rate_cmd(struct ath9k_htc_priv *priv, |
| 601 | struct ath9k_htc_target_rate *trate) |
| 602 | { |
| 603 | struct ath_common *common = ath9k_hw_common(priv->ah); |
| 604 | int ret; |
| 605 | u8 cmd_rsp; |
| 606 | |
| 607 | WMI_CMD_BUF(WMI_RC_RATE_UPDATE_CMDID, trate); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 608 | if (ret) { |
Joe Perches | 3800276 | 2010-12-02 19:12:36 -0800 | [diff] [blame] | 609 | ath_err(common, |
| 610 | "Unable to initialize Rate information on target\n"); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 611 | } |
| 612 | |
Sujith | 0d425a7 | 2010-05-17 12:01:16 +0530 | [diff] [blame] | 613 | return ret; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 614 | } |
| 615 | |
Sujith | 0d425a7 | 2010-05-17 12:01:16 +0530 | [diff] [blame] | 616 | static void ath9k_htc_init_rate(struct ath9k_htc_priv *priv, |
| 617 | struct ieee80211_sta *sta) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 618 | { |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 619 | struct ath_common *common = ath9k_hw_common(priv->ah); |
Sujith | 0d425a7 | 2010-05-17 12:01:16 +0530 | [diff] [blame] | 620 | struct ath9k_htc_target_rate trate; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 621 | int ret; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 622 | |
Sujith | 0d425a7 | 2010-05-17 12:01:16 +0530 | [diff] [blame] | 623 | memset(&trate, 0, sizeof(struct ath9k_htc_target_rate)); |
| 624 | ath9k_htc_setup_rate(priv, sta, &trate); |
| 625 | ret = ath9k_htc_send_rate_cmd(priv, &trate); |
| 626 | if (!ret) |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 627 | ath_dbg(common, ATH_DBG_CONFIG, |
| 628 | "Updated target sta: %pM, rate caps: 0x%X\n", |
| 629 | sta->addr, be32_to_cpu(trate.capflags)); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 630 | } |
| 631 | |
Sujith | 2c76ef8 | 2010-05-17 12:01:18 +0530 | [diff] [blame] | 632 | static void ath9k_htc_update_rate(struct ath9k_htc_priv *priv, |
| 633 | struct ieee80211_vif *vif, |
| 634 | struct ieee80211_bss_conf *bss_conf) |
| 635 | { |
| 636 | struct ath_common *common = ath9k_hw_common(priv->ah); |
| 637 | struct ath9k_htc_target_rate trate; |
| 638 | struct ieee80211_sta *sta; |
| 639 | int ret; |
| 640 | |
| 641 | memset(&trate, 0, sizeof(struct ath9k_htc_target_rate)); |
| 642 | |
| 643 | rcu_read_lock(); |
| 644 | sta = ieee80211_find_sta(vif, bss_conf->bssid); |
| 645 | if (!sta) { |
| 646 | rcu_read_unlock(); |
| 647 | return; |
| 648 | } |
| 649 | ath9k_htc_setup_rate(priv, sta, &trate); |
| 650 | rcu_read_unlock(); |
| 651 | |
| 652 | ret = ath9k_htc_send_rate_cmd(priv, &trate); |
| 653 | if (!ret) |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 654 | ath_dbg(common, ATH_DBG_CONFIG, |
| 655 | "Updated target sta: %pM, rate caps: 0x%X\n", |
| 656 | bss_conf->bssid, be32_to_cpu(trate.capflags)); |
Sujith | 2c76ef8 | 2010-05-17 12:01:18 +0530 | [diff] [blame] | 657 | } |
| 658 | |
Luis R. Rodriguez | 9edd952 | 2010-07-13 21:27:25 -0400 | [diff] [blame] | 659 | static int ath9k_htc_tx_aggr_oper(struct ath9k_htc_priv *priv, |
| 660 | struct ieee80211_vif *vif, |
| 661 | struct ieee80211_sta *sta, |
| 662 | enum ieee80211_ampdu_mlme_action action, |
| 663 | u16 tid) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 664 | { |
| 665 | struct ath_common *common = ath9k_hw_common(priv->ah); |
| 666 | struct ath9k_htc_target_aggr aggr; |
Dan Carpenter | 277a64d | 2010-05-08 18:23:20 +0200 | [diff] [blame] | 667 | struct ath9k_htc_sta *ista; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 668 | int ret = 0; |
| 669 | u8 cmd_rsp; |
| 670 | |
Dan Carpenter | 0730d11 | 2010-05-08 18:24:02 +0200 | [diff] [blame] | 671 | if (tid >= ATH9K_HTC_MAX_TID) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 672 | return -EINVAL; |
| 673 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 674 | memset(&aggr, 0, sizeof(struct ath9k_htc_target_aggr)); |
Sujith | ef98c3c | 2010-03-29 16:07:11 +0530 | [diff] [blame] | 675 | ista = (struct ath9k_htc_sta *) sta->drv_priv; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 676 | |
Sujith | ef98c3c | 2010-03-29 16:07:11 +0530 | [diff] [blame] | 677 | aggr.sta_index = ista->index; |
Sujith | d7ca213 | 2010-06-15 10:24:37 +0530 | [diff] [blame] | 678 | aggr.tidno = tid & 0xf; |
| 679 | aggr.aggr_enable = (action == IEEE80211_AMPDU_TX_START) ? true : false; |
Sujith | ef98c3c | 2010-03-29 16:07:11 +0530 | [diff] [blame] | 680 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 681 | WMI_CMD_BUF(WMI_TX_AGGR_ENABLE_CMDID, &aggr); |
| 682 | if (ret) |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 683 | ath_dbg(common, ATH_DBG_CONFIG, |
| 684 | "Unable to %s TX aggregation for (%pM, %d)\n", |
| 685 | (aggr.aggr_enable) ? "start" : "stop", sta->addr, tid); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 686 | else |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 687 | ath_dbg(common, ATH_DBG_CONFIG, |
| 688 | "%s TX aggregation for (%pM, %d)\n", |
| 689 | (aggr.aggr_enable) ? "Starting" : "Stopping", |
| 690 | sta->addr, tid); |
Sujith | d7ca213 | 2010-06-15 10:24:37 +0530 | [diff] [blame] | 691 | |
| 692 | spin_lock_bh(&priv->tx_lock); |
| 693 | ista->tid_state[tid] = (aggr.aggr_enable && !ret) ? AGGR_START : AGGR_STOP; |
| 694 | spin_unlock_bh(&priv->tx_lock); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 695 | |
| 696 | return ret; |
| 697 | } |
| 698 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 699 | /*********/ |
| 700 | /* DEBUG */ |
| 701 | /*********/ |
| 702 | |
| 703 | #ifdef CONFIG_ATH9K_HTC_DEBUGFS |
| 704 | |
| 705 | static int ath9k_debugfs_open(struct inode *inode, struct file *file) |
| 706 | { |
| 707 | file->private_data = inode->i_private; |
| 708 | return 0; |
| 709 | } |
| 710 | |
| 711 | static ssize_t read_file_tgt_stats(struct file *file, char __user *user_buf, |
| 712 | size_t count, loff_t *ppos) |
| 713 | { |
Joe Perches | 5767430 | 2010-07-12 13:50:06 -0700 | [diff] [blame] | 714 | struct ath9k_htc_priv *priv = file->private_data; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 715 | struct ath9k_htc_target_stats cmd_rsp; |
| 716 | char buf[512]; |
| 717 | unsigned int len = 0; |
| 718 | int ret = 0; |
| 719 | |
| 720 | memset(&cmd_rsp, 0, sizeof(cmd_rsp)); |
| 721 | |
| 722 | WMI_CMD(WMI_TGT_STATS_CMDID); |
| 723 | if (ret) |
| 724 | return -EINVAL; |
| 725 | |
| 726 | |
| 727 | len += snprintf(buf + len, sizeof(buf) - len, |
| 728 | "%19s : %10u\n", "TX Short Retries", |
| 729 | be32_to_cpu(cmd_rsp.tx_shortretry)); |
| 730 | len += snprintf(buf + len, sizeof(buf) - len, |
| 731 | "%19s : %10u\n", "TX Long Retries", |
| 732 | be32_to_cpu(cmd_rsp.tx_longretry)); |
| 733 | len += snprintf(buf + len, sizeof(buf) - len, |
| 734 | "%19s : %10u\n", "TX Xretries", |
| 735 | be32_to_cpu(cmd_rsp.tx_xretries)); |
| 736 | len += snprintf(buf + len, sizeof(buf) - len, |
| 737 | "%19s : %10u\n", "TX Unaggr. Xretries", |
| 738 | be32_to_cpu(cmd_rsp.ht_txunaggr_xretry)); |
| 739 | len += snprintf(buf + len, sizeof(buf) - len, |
| 740 | "%19s : %10u\n", "TX Xretries (HT)", |
| 741 | be32_to_cpu(cmd_rsp.ht_tx_xretries)); |
| 742 | len += snprintf(buf + len, sizeof(buf) - len, |
| 743 | "%19s : %10u\n", "TX Rate", priv->debug.txrate); |
| 744 | |
Dan Carpenter | 9746010 | 2010-07-22 10:50:28 +0200 | [diff] [blame] | 745 | if (len > sizeof(buf)) |
| 746 | len = sizeof(buf); |
| 747 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 748 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| 749 | } |
| 750 | |
| 751 | static const struct file_operations fops_tgt_stats = { |
| 752 | .read = read_file_tgt_stats, |
| 753 | .open = ath9k_debugfs_open, |
Arnd Bergmann | 6038f37 | 2010-08-15 18:52:59 +0200 | [diff] [blame] | 754 | .owner = THIS_MODULE, |
| 755 | .llseek = default_llseek, |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 756 | }; |
| 757 | |
| 758 | static ssize_t read_file_xmit(struct file *file, char __user *user_buf, |
| 759 | size_t count, loff_t *ppos) |
| 760 | { |
Joe Perches | 5767430 | 2010-07-12 13:50:06 -0700 | [diff] [blame] | 761 | struct ath9k_htc_priv *priv = file->private_data; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 762 | char buf[512]; |
| 763 | unsigned int len = 0; |
| 764 | |
| 765 | len += snprintf(buf + len, sizeof(buf) - len, |
| 766 | "%20s : %10u\n", "Buffers queued", |
| 767 | priv->debug.tx_stats.buf_queued); |
| 768 | len += snprintf(buf + len, sizeof(buf) - len, |
| 769 | "%20s : %10u\n", "Buffers completed", |
| 770 | priv->debug.tx_stats.buf_completed); |
| 771 | len += snprintf(buf + len, sizeof(buf) - len, |
| 772 | "%20s : %10u\n", "SKBs queued", |
| 773 | priv->debug.tx_stats.skb_queued); |
| 774 | len += snprintf(buf + len, sizeof(buf) - len, |
| 775 | "%20s : %10u\n", "SKBs completed", |
| 776 | priv->debug.tx_stats.skb_completed); |
Sujith | eac8e38 | 2010-04-16 11:54:00 +0530 | [diff] [blame] | 777 | len += snprintf(buf + len, sizeof(buf) - len, |
| 778 | "%20s : %10u\n", "SKBs dropped", |
| 779 | priv->debug.tx_stats.skb_dropped); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 780 | |
Sujith | 2edb458 | 2010-05-14 11:18:54 +0530 | [diff] [blame] | 781 | len += snprintf(buf + len, sizeof(buf) - len, |
| 782 | "%20s : %10u\n", "BE queued", |
| 783 | priv->debug.tx_stats.queue_stats[WME_AC_BE]); |
| 784 | len += snprintf(buf + len, sizeof(buf) - len, |
| 785 | "%20s : %10u\n", "BK queued", |
| 786 | priv->debug.tx_stats.queue_stats[WME_AC_BK]); |
| 787 | len += snprintf(buf + len, sizeof(buf) - len, |
| 788 | "%20s : %10u\n", "VI queued", |
| 789 | priv->debug.tx_stats.queue_stats[WME_AC_VI]); |
| 790 | len += snprintf(buf + len, sizeof(buf) - len, |
| 791 | "%20s : %10u\n", "VO queued", |
| 792 | priv->debug.tx_stats.queue_stats[WME_AC_VO]); |
| 793 | |
Dan Carpenter | 9746010 | 2010-07-22 10:50:28 +0200 | [diff] [blame] | 794 | if (len > sizeof(buf)) |
| 795 | len = sizeof(buf); |
| 796 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 797 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| 798 | } |
| 799 | |
| 800 | static const struct file_operations fops_xmit = { |
| 801 | .read = read_file_xmit, |
| 802 | .open = ath9k_debugfs_open, |
Arnd Bergmann | 6038f37 | 2010-08-15 18:52:59 +0200 | [diff] [blame] | 803 | .owner = THIS_MODULE, |
| 804 | .llseek = default_llseek, |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 805 | }; |
| 806 | |
| 807 | static ssize_t read_file_recv(struct file *file, char __user *user_buf, |
| 808 | size_t count, loff_t *ppos) |
| 809 | { |
Joe Perches | 5767430 | 2010-07-12 13:50:06 -0700 | [diff] [blame] | 810 | struct ath9k_htc_priv *priv = file->private_data; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 811 | char buf[512]; |
| 812 | unsigned int len = 0; |
| 813 | |
| 814 | len += snprintf(buf + len, sizeof(buf) - len, |
| 815 | "%20s : %10u\n", "SKBs allocated", |
| 816 | priv->debug.rx_stats.skb_allocated); |
| 817 | len += snprintf(buf + len, sizeof(buf) - len, |
| 818 | "%20s : %10u\n", "SKBs completed", |
| 819 | priv->debug.rx_stats.skb_completed); |
| 820 | len += snprintf(buf + len, sizeof(buf) - len, |
| 821 | "%20s : %10u\n", "SKBs Dropped", |
| 822 | priv->debug.rx_stats.skb_dropped); |
| 823 | |
Dan Carpenter | 9746010 | 2010-07-22 10:50:28 +0200 | [diff] [blame] | 824 | if (len > sizeof(buf)) |
| 825 | len = sizeof(buf); |
| 826 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 827 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| 828 | } |
| 829 | |
| 830 | static const struct file_operations fops_recv = { |
| 831 | .read = read_file_recv, |
| 832 | .open = ath9k_debugfs_open, |
Arnd Bergmann | 6038f37 | 2010-08-15 18:52:59 +0200 | [diff] [blame] | 833 | .owner = THIS_MODULE, |
| 834 | .llseek = default_llseek, |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 835 | }; |
| 836 | |
Sujith | e1572c5 | 2010-03-24 13:42:13 +0530 | [diff] [blame] | 837 | int ath9k_htc_init_debug(struct ath_hw *ah) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 838 | { |
| 839 | struct ath_common *common = ath9k_hw_common(ah); |
| 840 | struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; |
| 841 | |
| 842 | if (!ath9k_debugfs_root) |
| 843 | return -ENOENT; |
| 844 | |
| 845 | priv->debug.debugfs_phy = debugfs_create_dir(wiphy_name(priv->hw->wiphy), |
| 846 | ath9k_debugfs_root); |
| 847 | if (!priv->debug.debugfs_phy) |
| 848 | goto err; |
| 849 | |
| 850 | priv->debug.debugfs_tgt_stats = debugfs_create_file("tgt_stats", S_IRUSR, |
| 851 | priv->debug.debugfs_phy, |
| 852 | priv, &fops_tgt_stats); |
| 853 | if (!priv->debug.debugfs_tgt_stats) |
| 854 | goto err; |
| 855 | |
| 856 | |
| 857 | priv->debug.debugfs_xmit = debugfs_create_file("xmit", S_IRUSR, |
| 858 | priv->debug.debugfs_phy, |
| 859 | priv, &fops_xmit); |
| 860 | if (!priv->debug.debugfs_xmit) |
| 861 | goto err; |
| 862 | |
| 863 | priv->debug.debugfs_recv = debugfs_create_file("recv", S_IRUSR, |
| 864 | priv->debug.debugfs_phy, |
| 865 | priv, &fops_recv); |
| 866 | if (!priv->debug.debugfs_recv) |
| 867 | goto err; |
| 868 | |
| 869 | return 0; |
| 870 | |
| 871 | err: |
Sujith | e1572c5 | 2010-03-24 13:42:13 +0530 | [diff] [blame] | 872 | ath9k_htc_exit_debug(ah); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 873 | return -ENOMEM; |
| 874 | } |
| 875 | |
Sujith | e1572c5 | 2010-03-24 13:42:13 +0530 | [diff] [blame] | 876 | void ath9k_htc_exit_debug(struct ath_hw *ah) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 877 | { |
| 878 | struct ath_common *common = ath9k_hw_common(ah); |
| 879 | struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; |
| 880 | |
| 881 | debugfs_remove(priv->debug.debugfs_recv); |
| 882 | debugfs_remove(priv->debug.debugfs_xmit); |
| 883 | debugfs_remove(priv->debug.debugfs_tgt_stats); |
| 884 | debugfs_remove(priv->debug.debugfs_phy); |
| 885 | } |
| 886 | |
Sujith | e1572c5 | 2010-03-24 13:42:13 +0530 | [diff] [blame] | 887 | int ath9k_htc_debug_create_root(void) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 888 | { |
| 889 | ath9k_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL); |
| 890 | if (!ath9k_debugfs_root) |
| 891 | return -ENOENT; |
| 892 | |
| 893 | return 0; |
| 894 | } |
| 895 | |
Sujith | e1572c5 | 2010-03-24 13:42:13 +0530 | [diff] [blame] | 896 | void ath9k_htc_debug_remove_root(void) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 897 | { |
| 898 | debugfs_remove(ath9k_debugfs_root); |
| 899 | ath9k_debugfs_root = NULL; |
| 900 | } |
| 901 | |
| 902 | #endif /* CONFIG_ATH9K_HTC_DEBUGFS */ |
| 903 | |
| 904 | /*******/ |
| 905 | /* ANI */ |
| 906 | /*******/ |
| 907 | |
Sujith Manoharan | 7390867 | 2010-12-28 14:28:27 +0530 | [diff] [blame] | 908 | void ath_start_ani(struct ath9k_htc_priv *priv) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 909 | { |
| 910 | struct ath_common *common = ath9k_hw_common(priv->ah); |
| 911 | unsigned long timestamp = jiffies_to_msecs(jiffies); |
| 912 | |
| 913 | common->ani.longcal_timer = timestamp; |
| 914 | common->ani.shortcal_timer = timestamp; |
| 915 | common->ani.checkani_timer = timestamp; |
| 916 | |
| 917 | ieee80211_queue_delayed_work(common->hw, &priv->ath9k_ani_work, |
| 918 | msecs_to_jiffies(ATH_ANI_POLLINTERVAL)); |
| 919 | } |
| 920 | |
| 921 | void ath9k_ani_work(struct work_struct *work) |
| 922 | { |
| 923 | struct ath9k_htc_priv *priv = |
| 924 | container_of(work, struct ath9k_htc_priv, |
| 925 | ath9k_ani_work.work); |
| 926 | struct ath_hw *ah = priv->ah; |
| 927 | struct ath_common *common = ath9k_hw_common(ah); |
| 928 | bool longcal = false; |
| 929 | bool shortcal = false; |
| 930 | bool aniflag = false; |
| 931 | unsigned int timestamp = jiffies_to_msecs(jiffies); |
| 932 | u32 cal_interval, short_cal_interval; |
| 933 | |
| 934 | short_cal_interval = ATH_STA_SHORT_CALINTERVAL; |
| 935 | |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 936 | /* Only calibrate if awake */ |
| 937 | if (ah->power_mode != ATH9K_PM_AWAKE) |
| 938 | goto set_timer; |
| 939 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 940 | /* Long calibration runs independently of short calibration. */ |
| 941 | if ((timestamp - common->ani.longcal_timer) >= ATH_LONG_CALINTERVAL) { |
| 942 | longcal = true; |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 943 | ath_dbg(common, ATH_DBG_ANI, "longcal @%lu\n", jiffies); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 944 | common->ani.longcal_timer = timestamp; |
| 945 | } |
| 946 | |
| 947 | /* Short calibration applies only while caldone is false */ |
| 948 | if (!common->ani.caldone) { |
| 949 | if ((timestamp - common->ani.shortcal_timer) >= |
| 950 | short_cal_interval) { |
| 951 | shortcal = true; |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 952 | ath_dbg(common, ATH_DBG_ANI, |
| 953 | "shortcal @%lu\n", jiffies); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 954 | common->ani.shortcal_timer = timestamp; |
| 955 | common->ani.resetcal_timer = timestamp; |
| 956 | } |
| 957 | } else { |
| 958 | if ((timestamp - common->ani.resetcal_timer) >= |
| 959 | ATH_RESTART_CALINTERVAL) { |
| 960 | common->ani.caldone = ath9k_hw_reset_calvalid(ah); |
| 961 | if (common->ani.caldone) |
| 962 | common->ani.resetcal_timer = timestamp; |
| 963 | } |
| 964 | } |
| 965 | |
| 966 | /* Verify whether we must check ANI */ |
| 967 | if ((timestamp - common->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) { |
| 968 | aniflag = true; |
| 969 | common->ani.checkani_timer = timestamp; |
| 970 | } |
| 971 | |
| 972 | /* Skip all processing if there's nothing to do. */ |
| 973 | if (longcal || shortcal || aniflag) { |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 974 | |
| 975 | ath9k_htc_ps_wakeup(priv); |
| 976 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 977 | /* Call ANI routine if necessary */ |
| 978 | if (aniflag) |
| 979 | ath9k_hw_ani_monitor(ah, ah->curchan); |
| 980 | |
| 981 | /* Perform calibration if necessary */ |
Felix Fietkau | 35ecfe0 | 2010-09-29 17:15:26 +0200 | [diff] [blame] | 982 | if (longcal || shortcal) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 983 | common->ani.caldone = |
| 984 | ath9k_hw_calibrate(ah, ah->curchan, |
| 985 | common->rx_chainmask, |
| 986 | longcal); |
| 987 | |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 988 | ath9k_htc_ps_restore(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 989 | } |
| 990 | |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 991 | set_timer: |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 992 | /* |
| 993 | * Set timer interval based on previous results. |
| 994 | * The interval must be the shortest necessary to satisfy ANI, |
| 995 | * short calibration and long calibration. |
| 996 | */ |
| 997 | cal_interval = ATH_LONG_CALINTERVAL; |
| 998 | if (priv->ah->config.enable_ani) |
| 999 | cal_interval = min(cal_interval, (u32)ATH_ANI_POLLINTERVAL); |
| 1000 | if (!common->ani.caldone) |
| 1001 | cal_interval = min(cal_interval, (u32)short_cal_interval); |
| 1002 | |
| 1003 | ieee80211_queue_delayed_work(common->hw, &priv->ath9k_ani_work, |
| 1004 | msecs_to_jiffies(cal_interval)); |
| 1005 | } |
| 1006 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1007 | /**********************/ |
| 1008 | /* mac80211 Callbacks */ |
| 1009 | /**********************/ |
| 1010 | |
| 1011 | static int ath9k_htc_tx(struct ieee80211_hw *hw, struct sk_buff *skb) |
| 1012 | { |
| 1013 | struct ieee80211_hdr *hdr; |
| 1014 | struct ath9k_htc_priv *priv = hw->priv; |
Sujith | 7757dfe | 2010-03-29 16:07:17 +0530 | [diff] [blame] | 1015 | int padpos, padsize, ret; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1016 | |
| 1017 | hdr = (struct ieee80211_hdr *) skb->data; |
| 1018 | |
| 1019 | /* Add the padding after the header if this is not already done */ |
| 1020 | padpos = ath9k_cmn_padpos(hdr->frame_control); |
| 1021 | padsize = padpos & 3; |
| 1022 | if (padsize && skb->len > padpos) { |
| 1023 | if (skb_headroom(skb) < padsize) |
| 1024 | return -1; |
| 1025 | skb_push(skb, padsize); |
| 1026 | memmove(skb->data, skb->data + padsize, padpos); |
| 1027 | } |
| 1028 | |
Sujith | 7757dfe | 2010-03-29 16:07:17 +0530 | [diff] [blame] | 1029 | ret = ath9k_htc_tx_start(priv, skb); |
| 1030 | if (ret != 0) { |
| 1031 | if (ret == -ENOMEM) { |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 1032 | ath_dbg(ath9k_hw_common(priv->ah), ATH_DBG_XMIT, |
| 1033 | "Stopping TX queues\n"); |
Sujith | 7757dfe | 2010-03-29 16:07:17 +0530 | [diff] [blame] | 1034 | ieee80211_stop_queues(hw); |
| 1035 | spin_lock_bh(&priv->tx_lock); |
| 1036 | priv->tx_queues_stop = true; |
| 1037 | spin_unlock_bh(&priv->tx_lock); |
| 1038 | } else { |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 1039 | ath_dbg(ath9k_hw_common(priv->ah), ATH_DBG_XMIT, |
| 1040 | "Tx failed\n"); |
Sujith | 7757dfe | 2010-03-29 16:07:17 +0530 | [diff] [blame] | 1041 | } |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1042 | goto fail_tx; |
| 1043 | } |
| 1044 | |
| 1045 | return 0; |
| 1046 | |
| 1047 | fail_tx: |
| 1048 | dev_kfree_skb_any(skb); |
| 1049 | return 0; |
| 1050 | } |
| 1051 | |
Sujith | 881ac6a | 2010-06-01 15:14:11 +0530 | [diff] [blame] | 1052 | static int ath9k_htc_start(struct ieee80211_hw *hw) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1053 | { |
| 1054 | struct ath9k_htc_priv *priv = hw->priv; |
| 1055 | struct ath_hw *ah = priv->ah; |
| 1056 | struct ath_common *common = ath9k_hw_common(ah); |
| 1057 | struct ieee80211_channel *curchan = hw->conf.channel; |
| 1058 | struct ath9k_channel *init_channel; |
| 1059 | int ret = 0; |
| 1060 | enum htc_phymode mode; |
Sujith | 7f1f5a0 | 2010-04-16 11:54:03 +0530 | [diff] [blame] | 1061 | __be16 htc_mode; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1062 | u8 cmd_rsp; |
| 1063 | |
Sujith | 881ac6a | 2010-06-01 15:14:11 +0530 | [diff] [blame] | 1064 | mutex_lock(&priv->mutex); |
| 1065 | |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 1066 | ath_dbg(common, ATH_DBG_CONFIG, |
| 1067 | "Starting driver with initial channel: %d MHz\n", |
| 1068 | curchan->center_freq); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1069 | |
Sujith | 21d5130 | 2010-06-01 15:14:18 +0530 | [diff] [blame] | 1070 | /* Ensure that HW is awake before flushing RX */ |
| 1071 | ath9k_htc_setpower(priv, ATH9K_PM_AWAKE); |
| 1072 | WMI_CMD(WMI_FLUSH_RECV_CMDID); |
| 1073 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1074 | /* setup initial channel */ |
| 1075 | init_channel = ath9k_cmn_get_curchannel(hw, ah); |
| 1076 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1077 | ath9k_hw_htc_resetinit(ah); |
Felix Fietkau | 20bd2a0 | 2010-07-31 00:12:00 +0200 | [diff] [blame] | 1078 | ret = ath9k_hw_reset(ah, init_channel, ah->caldata, false); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1079 | if (ret) { |
Joe Perches | 3800276 | 2010-12-02 19:12:36 -0800 | [diff] [blame] | 1080 | ath_err(common, |
| 1081 | "Unable to reset hardware; reset status %d (freq %u MHz)\n", |
| 1082 | ret, curchan->center_freq); |
Sujith | 881ac6a | 2010-06-01 15:14:11 +0530 | [diff] [blame] | 1083 | mutex_unlock(&priv->mutex); |
Vivek Natarajan | 8a8572a | 2010-04-27 13:05:37 +0530 | [diff] [blame] | 1084 | return ret; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1085 | } |
| 1086 | |
Rajkumar Manoharan | b2a5c3d | 2011-01-31 23:47:45 +0530 | [diff] [blame] | 1087 | ath9k_cmn_update_txpow(ah, priv->curtxpow, priv->txpowlimit, |
| 1088 | &priv->curtxpow); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1089 | |
| 1090 | mode = ath9k_htc_get_curmode(priv, init_channel); |
| 1091 | htc_mode = cpu_to_be16(mode); |
| 1092 | WMI_CMD_BUF(WMI_SET_MODE_CMDID, &htc_mode); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1093 | WMI_CMD(WMI_ATH_INIT_CMDID); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1094 | WMI_CMD(WMI_START_RECV_CMDID); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1095 | |
| 1096 | ath9k_host_rx_init(priv); |
| 1097 | |
Sujith Manoharan | 1057b75 | 2011-02-21 07:48:09 +0530 | [diff] [blame] | 1098 | ret = ath9k_htc_update_cap_target(priv); |
| 1099 | if (ret) |
| 1100 | ath_dbg(common, ATH_DBG_CONFIG, |
| 1101 | "Failed to update capability in target\n"); |
| 1102 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1103 | priv->op_flags &= ~OP_INVALID; |
| 1104 | htc_start(priv->htc); |
| 1105 | |
Sujith | 7757dfe | 2010-03-29 16:07:17 +0530 | [diff] [blame] | 1106 | spin_lock_bh(&priv->tx_lock); |
| 1107 | priv->tx_queues_stop = false; |
| 1108 | spin_unlock_bh(&priv->tx_lock); |
| 1109 | |
| 1110 | ieee80211_wake_queues(hw); |
| 1111 | |
Vivek Natarajan | 21cb987 | 2010-08-18 19:57:49 +0530 | [diff] [blame] | 1112 | if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) { |
| 1113 | ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT, |
| 1114 | AR_STOMP_LOW_WLAN_WGHT); |
| 1115 | ath9k_hw_btcoex_enable(ah); |
| 1116 | ath_htc_resume_btcoex_work(priv); |
| 1117 | } |
Vivek Natarajan | 8a8572a | 2010-04-27 13:05:37 +0530 | [diff] [blame] | 1118 | mutex_unlock(&priv->mutex); |
| 1119 | |
| 1120 | return ret; |
| 1121 | } |
| 1122 | |
Sujith | 881ac6a | 2010-06-01 15:14:11 +0530 | [diff] [blame] | 1123 | static void ath9k_htc_stop(struct ieee80211_hw *hw) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1124 | { |
| 1125 | struct ath9k_htc_priv *priv = hw->priv; |
| 1126 | struct ath_hw *ah = priv->ah; |
| 1127 | struct ath_common *common = ath9k_hw_common(ah); |
| 1128 | int ret = 0; |
| 1129 | u8 cmd_rsp; |
| 1130 | |
Sujith | 881ac6a | 2010-06-01 15:14:11 +0530 | [diff] [blame] | 1131 | mutex_lock(&priv->mutex); |
| 1132 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1133 | if (priv->op_flags & OP_INVALID) { |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 1134 | ath_dbg(common, ATH_DBG_ANY, "Device not present\n"); |
Sujith | 881ac6a | 2010-06-01 15:14:11 +0530 | [diff] [blame] | 1135 | mutex_unlock(&priv->mutex); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1136 | return; |
| 1137 | } |
| 1138 | |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 1139 | ath9k_htc_ps_wakeup(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1140 | htc_stop(priv->htc); |
| 1141 | WMI_CMD(WMI_DISABLE_INTR_CMDID); |
| 1142 | WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID); |
| 1143 | WMI_CMD(WMI_STOP_RECV_CMDID); |
Stanislaw Gruszka | ea88835 | 2011-01-25 14:15:12 +0100 | [diff] [blame] | 1144 | |
| 1145 | tasklet_kill(&priv->swba_tasklet); |
| 1146 | tasklet_kill(&priv->rx_tasklet); |
| 1147 | tasklet_kill(&priv->tx_tasklet); |
| 1148 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1149 | skb_queue_purge(&priv->tx_queue); |
| 1150 | |
Stanislaw Gruszka | ea88835 | 2011-01-25 14:15:12 +0100 | [diff] [blame] | 1151 | mutex_unlock(&priv->mutex); |
| 1152 | |
| 1153 | /* Cancel all the running timers/work .. */ |
| 1154 | cancel_work_sync(&priv->fatal_work); |
| 1155 | cancel_work_sync(&priv->ps_work); |
| 1156 | cancel_delayed_work_sync(&priv->ath9k_led_blink_work); |
Rajkumar Manoharan | 45655ba | 2011-01-31 23:47:42 +0530 | [diff] [blame] | 1157 | cancel_delayed_work_sync(&priv->ath9k_ani_work); |
Stanislaw Gruszka | ea88835 | 2011-01-25 14:15:12 +0100 | [diff] [blame] | 1158 | ath9k_led_stop_brightness(priv); |
| 1159 | |
| 1160 | mutex_lock(&priv->mutex); |
| 1161 | |
Vivek Natarajan | 21cb987 | 2010-08-18 19:57:49 +0530 | [diff] [blame] | 1162 | if (ah->btcoex_hw.enabled) { |
| 1163 | ath9k_hw_btcoex_disable(ah); |
| 1164 | if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) |
| 1165 | ath_htc_cancel_btcoex_work(priv); |
| 1166 | } |
| 1167 | |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 1168 | /* Remove a monitor interface if it's present. */ |
| 1169 | if (priv->ah->is_monitoring) |
| 1170 | ath9k_htc_remove_monitor_interface(priv); |
| 1171 | |
Sujith | e9201f0 | 2010-06-01 15:14:17 +0530 | [diff] [blame] | 1172 | ath9k_hw_phy_disable(ah); |
| 1173 | ath9k_hw_disable(ah); |
Sujith | e9201f0 | 2010-06-01 15:14:17 +0530 | [diff] [blame] | 1174 | ath9k_htc_ps_restore(priv); |
| 1175 | ath9k_htc_setpower(priv, ATH9K_PM_FULL_SLEEP); |
| 1176 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1177 | priv->op_flags |= OP_INVALID; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1178 | |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 1179 | ath_dbg(common, ATH_DBG_CONFIG, "Driver halt\n"); |
Vivek Natarajan | 8a8572a | 2010-04-27 13:05:37 +0530 | [diff] [blame] | 1180 | mutex_unlock(&priv->mutex); |
| 1181 | } |
| 1182 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1183 | static int ath9k_htc_add_interface(struct ieee80211_hw *hw, |
| 1184 | struct ieee80211_vif *vif) |
| 1185 | { |
| 1186 | struct ath9k_htc_priv *priv = hw->priv; |
| 1187 | struct ath9k_htc_vif *avp = (void *)vif->drv_priv; |
| 1188 | struct ath_common *common = ath9k_hw_common(priv->ah); |
| 1189 | struct ath9k_htc_target_vif hvif; |
| 1190 | int ret = 0; |
| 1191 | u8 cmd_rsp; |
| 1192 | |
| 1193 | mutex_lock(&priv->mutex); |
| 1194 | |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 1195 | if (priv->nvifs >= ATH9K_HTC_MAX_VIF) { |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1196 | ret = -ENOBUFS; |
Sujith Manoharan | ab77c70 | 2011-02-21 07:48:16 +0530 | [diff] [blame] | 1197 | mutex_unlock(&priv->mutex); |
| 1198 | return ret; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1199 | } |
| 1200 | |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 1201 | ath9k_htc_ps_wakeup(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1202 | memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif)); |
| 1203 | memcpy(&hvif.myaddr, vif->addr, ETH_ALEN); |
| 1204 | |
| 1205 | switch (vif->type) { |
| 1206 | case NL80211_IFTYPE_STATION: |
| 1207 | hvif.opmode = cpu_to_be32(HTC_M_STA); |
| 1208 | break; |
| 1209 | case NL80211_IFTYPE_ADHOC: |
| 1210 | hvif.opmode = cpu_to_be32(HTC_M_IBSS); |
| 1211 | break; |
| 1212 | default: |
Joe Perches | 3800276 | 2010-12-02 19:12:36 -0800 | [diff] [blame] | 1213 | ath_err(common, |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1214 | "Interface type %d not yet supported\n", vif->type); |
| 1215 | ret = -EOPNOTSUPP; |
| 1216 | goto out; |
| 1217 | } |
| 1218 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1219 | /* Index starts from zero on the target */ |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 1220 | avp->index = hvif.index = ffz(priv->vif_slot); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1221 | hvif.rtsthreshold = cpu_to_be16(2304); |
| 1222 | WMI_CMD_BUF(WMI_VAP_CREATE_CMDID, &hvif); |
| 1223 | if (ret) |
| 1224 | goto out; |
| 1225 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1226 | /* |
| 1227 | * We need a node in target to tx mgmt frames |
| 1228 | * before association. |
| 1229 | */ |
| 1230 | ret = ath9k_htc_add_station(priv, vif, NULL); |
Sujith Manoharan | ab77c70 | 2011-02-21 07:48:16 +0530 | [diff] [blame] | 1231 | if (ret) { |
| 1232 | WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1233 | goto out; |
Sujith Manoharan | ab77c70 | 2011-02-21 07:48:16 +0530 | [diff] [blame] | 1234 | } |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1235 | |
Sujith Manoharan | 585895c | 2011-02-21 07:48:46 +0530 | [diff] [blame] | 1236 | ath9k_htc_set_bssid_mask(priv, vif); |
| 1237 | |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 1238 | priv->ah->opmode = vif->type; |
| 1239 | priv->vif_slot |= (1 << avp->index); |
Sujith Manoharan | ab77c70 | 2011-02-21 07:48:16 +0530 | [diff] [blame] | 1240 | priv->nvifs++; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1241 | priv->vif = vif; |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 1242 | |
| 1243 | ath_dbg(common, ATH_DBG_CONFIG, |
| 1244 | "Attach a VIF of type: %d at idx: %d\n", vif->type, avp->index); |
| 1245 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1246 | out: |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 1247 | ath9k_htc_ps_restore(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1248 | mutex_unlock(&priv->mutex); |
Sujith | cb551df | 2010-06-01 15:14:12 +0530 | [diff] [blame] | 1249 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1250 | return ret; |
| 1251 | } |
| 1252 | |
| 1253 | static void ath9k_htc_remove_interface(struct ieee80211_hw *hw, |
| 1254 | struct ieee80211_vif *vif) |
| 1255 | { |
| 1256 | struct ath9k_htc_priv *priv = hw->priv; |
| 1257 | struct ath_common *common = ath9k_hw_common(priv->ah); |
| 1258 | struct ath9k_htc_vif *avp = (void *)vif->drv_priv; |
| 1259 | struct ath9k_htc_target_vif hvif; |
| 1260 | int ret = 0; |
| 1261 | u8 cmd_rsp; |
| 1262 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1263 | mutex_lock(&priv->mutex); |
Sujith | cb551df | 2010-06-01 15:14:12 +0530 | [diff] [blame] | 1264 | ath9k_htc_ps_wakeup(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1265 | |
| 1266 | memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif)); |
| 1267 | memcpy(&hvif.myaddr, vif->addr, ETH_ALEN); |
| 1268 | hvif.index = avp->index; |
| 1269 | WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif); |
| 1270 | priv->nvifs--; |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 1271 | priv->vif_slot &= ~(1 << avp->index); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1272 | |
| 1273 | ath9k_htc_remove_station(priv, vif, NULL); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1274 | priv->vif = NULL; |
| 1275 | |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 1276 | ath_dbg(common, ATH_DBG_CONFIG, "Detach Interface at idx: %d\n", avp->index); |
| 1277 | |
Sujith | cb551df | 2010-06-01 15:14:12 +0530 | [diff] [blame] | 1278 | ath9k_htc_ps_restore(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1279 | mutex_unlock(&priv->mutex); |
| 1280 | } |
| 1281 | |
| 1282 | static int ath9k_htc_config(struct ieee80211_hw *hw, u32 changed) |
| 1283 | { |
| 1284 | struct ath9k_htc_priv *priv = hw->priv; |
| 1285 | struct ath_common *common = ath9k_hw_common(priv->ah); |
| 1286 | struct ieee80211_conf *conf = &hw->conf; |
| 1287 | |
| 1288 | mutex_lock(&priv->mutex); |
| 1289 | |
Vivek Natarajan | 8a8572a | 2010-04-27 13:05:37 +0530 | [diff] [blame] | 1290 | if (changed & IEEE80211_CONF_CHANGE_IDLE) { |
| 1291 | bool enable_radio = false; |
| 1292 | bool idle = !!(conf->flags & IEEE80211_CONF_IDLE); |
| 1293 | |
Sujith | 2336776 | 2010-06-01 15:14:16 +0530 | [diff] [blame] | 1294 | mutex_lock(&priv->htc_pm_lock); |
Vivek Natarajan | 8a8572a | 2010-04-27 13:05:37 +0530 | [diff] [blame] | 1295 | if (!idle && priv->ps_idle) |
| 1296 | enable_radio = true; |
Vivek Natarajan | 8a8572a | 2010-04-27 13:05:37 +0530 | [diff] [blame] | 1297 | priv->ps_idle = idle; |
Sujith | 2336776 | 2010-06-01 15:14:16 +0530 | [diff] [blame] | 1298 | mutex_unlock(&priv->htc_pm_lock); |
Vivek Natarajan | 8a8572a | 2010-04-27 13:05:37 +0530 | [diff] [blame] | 1299 | |
| 1300 | if (enable_radio) { |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 1301 | ath_dbg(common, ATH_DBG_CONFIG, |
| 1302 | "not-idle: enabling radio\n"); |
Sujith | 2336776 | 2010-06-01 15:14:16 +0530 | [diff] [blame] | 1303 | ath9k_htc_setpower(priv, ATH9K_PM_AWAKE); |
| 1304 | ath9k_htc_radio_enable(hw); |
Vivek Natarajan | 8a8572a | 2010-04-27 13:05:37 +0530 | [diff] [blame] | 1305 | } |
| 1306 | } |
| 1307 | |
Sujith Manoharan | 55de80d | 2011-01-05 01:06:21 +0530 | [diff] [blame] | 1308 | /* |
| 1309 | * Monitor interface should be added before |
| 1310 | * IEEE80211_CONF_CHANGE_CHANNEL is handled. |
| 1311 | */ |
| 1312 | if (changed & IEEE80211_CONF_CHANGE_MONITOR) { |
Sujith Manoharan | a97b478 | 2011-02-21 07:48:00 +0530 | [diff] [blame] | 1313 | if ((conf->flags & IEEE80211_CONF_MONITOR) && |
| 1314 | !priv->ah->is_monitoring) |
| 1315 | ath9k_htc_add_monitor_interface(priv); |
| 1316 | else if (priv->ah->is_monitoring) |
| 1317 | ath9k_htc_remove_monitor_interface(priv); |
Sujith Manoharan | 55de80d | 2011-01-05 01:06:21 +0530 | [diff] [blame] | 1318 | } |
| 1319 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1320 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { |
| 1321 | struct ieee80211_channel *curchan = hw->conf.channel; |
| 1322 | int pos = curchan->hw_value; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1323 | |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 1324 | ath_dbg(common, ATH_DBG_CONFIG, "Set channel: %d MHz\n", |
| 1325 | curchan->center_freq); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1326 | |
Felix Fietkau | babcbc2 | 2010-10-20 02:09:46 +0200 | [diff] [blame] | 1327 | ath9k_cmn_update_ichannel(&priv->ah->channels[pos], |
| 1328 | hw->conf.channel, |
| 1329 | hw->conf.channel_type); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1330 | |
| 1331 | if (ath9k_htc_set_channel(priv, hw, &priv->ah->channels[pos]) < 0) { |
Joe Perches | 3800276 | 2010-12-02 19:12:36 -0800 | [diff] [blame] | 1332 | ath_err(common, "Unable to set channel\n"); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1333 | mutex_unlock(&priv->mutex); |
| 1334 | return -EINVAL; |
| 1335 | } |
| 1336 | |
| 1337 | } |
Sujith Manoharan | 692d6b1 | 2010-12-07 16:31:54 +0530 | [diff] [blame] | 1338 | |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 1339 | if (changed & IEEE80211_CONF_CHANGE_PS) { |
| 1340 | if (conf->flags & IEEE80211_CONF_PS) { |
| 1341 | ath9k_htc_setpower(priv, ATH9K_PM_NETWORK_SLEEP); |
| 1342 | priv->ps_enabled = true; |
| 1343 | } else { |
| 1344 | priv->ps_enabled = false; |
| 1345 | cancel_work_sync(&priv->ps_work); |
| 1346 | ath9k_htc_setpower(priv, ATH9K_PM_AWAKE); |
| 1347 | } |
| 1348 | } |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1349 | |
Sujith Manoharan | 692d6b1 | 2010-12-07 16:31:54 +0530 | [diff] [blame] | 1350 | if (changed & IEEE80211_CONF_CHANGE_POWER) { |
| 1351 | priv->txpowlimit = 2 * conf->power_level; |
Rajkumar Manoharan | b2a5c3d | 2011-01-31 23:47:45 +0530 | [diff] [blame] | 1352 | ath9k_cmn_update_txpow(priv->ah, priv->curtxpow, |
| 1353 | priv->txpowlimit, &priv->curtxpow); |
Sujith Manoharan | 692d6b1 | 2010-12-07 16:31:54 +0530 | [diff] [blame] | 1354 | } |
| 1355 | |
Sujith | 2336776 | 2010-06-01 15:14:16 +0530 | [diff] [blame] | 1356 | if (changed & IEEE80211_CONF_CHANGE_IDLE) { |
| 1357 | mutex_lock(&priv->htc_pm_lock); |
| 1358 | if (!priv->ps_idle) { |
| 1359 | mutex_unlock(&priv->htc_pm_lock); |
| 1360 | goto out; |
| 1361 | } |
| 1362 | mutex_unlock(&priv->htc_pm_lock); |
| 1363 | |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 1364 | ath_dbg(common, ATH_DBG_CONFIG, |
| 1365 | "idle: disabling radio\n"); |
Sujith | 881ac6a | 2010-06-01 15:14:11 +0530 | [diff] [blame] | 1366 | ath9k_htc_radio_disable(hw); |
Vivek Natarajan | 8a8572a | 2010-04-27 13:05:37 +0530 | [diff] [blame] | 1367 | } |
| 1368 | |
Sujith | 2336776 | 2010-06-01 15:14:16 +0530 | [diff] [blame] | 1369 | out: |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1370 | mutex_unlock(&priv->mutex); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1371 | return 0; |
| 1372 | } |
| 1373 | |
| 1374 | #define SUPPORTED_FILTERS \ |
| 1375 | (FIF_PROMISC_IN_BSS | \ |
| 1376 | FIF_ALLMULTI | \ |
| 1377 | FIF_CONTROL | \ |
| 1378 | FIF_PSPOLL | \ |
| 1379 | FIF_OTHER_BSS | \ |
| 1380 | FIF_BCN_PRBRESP_PROMISC | \ |
Rajkumar Manoharan | 94a40c0 | 2010-10-14 10:50:26 +0530 | [diff] [blame] | 1381 | FIF_PROBE_REQ | \ |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1382 | FIF_FCSFAIL) |
| 1383 | |
| 1384 | static void ath9k_htc_configure_filter(struct ieee80211_hw *hw, |
| 1385 | unsigned int changed_flags, |
| 1386 | unsigned int *total_flags, |
| 1387 | u64 multicast) |
| 1388 | { |
| 1389 | struct ath9k_htc_priv *priv = hw->priv; |
| 1390 | u32 rfilt; |
| 1391 | |
| 1392 | mutex_lock(&priv->mutex); |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 1393 | ath9k_htc_ps_wakeup(priv); |
Sujith | cb551df | 2010-06-01 15:14:12 +0530 | [diff] [blame] | 1394 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1395 | changed_flags &= SUPPORTED_FILTERS; |
| 1396 | *total_flags &= SUPPORTED_FILTERS; |
| 1397 | |
| 1398 | priv->rxfilter = *total_flags; |
Sujith | 0995d11 | 2010-03-29 16:07:09 +0530 | [diff] [blame] | 1399 | rfilt = ath9k_htc_calcrxfilter(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1400 | ath9k_hw_setrxfilter(priv->ah, rfilt); |
| 1401 | |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 1402 | ath_dbg(ath9k_hw_common(priv->ah), ATH_DBG_CONFIG, |
| 1403 | "Set HW RX filter: 0x%x\n", rfilt); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1404 | |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 1405 | ath9k_htc_ps_restore(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1406 | mutex_unlock(&priv->mutex); |
| 1407 | } |
| 1408 | |
Sujith | abd984e | 2010-05-18 15:26:04 +0530 | [diff] [blame] | 1409 | static int ath9k_htc_sta_add(struct ieee80211_hw *hw, |
| 1410 | struct ieee80211_vif *vif, |
| 1411 | struct ieee80211_sta *sta) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1412 | { |
| 1413 | struct ath9k_htc_priv *priv = hw->priv; |
| 1414 | int ret; |
| 1415 | |
Sujith.Manoharan@atheros.com | 05a30f9 | 2010-05-11 16:24:38 +0530 | [diff] [blame] | 1416 | mutex_lock(&priv->mutex); |
Sujith | cb551df | 2010-06-01 15:14:12 +0530 | [diff] [blame] | 1417 | ath9k_htc_ps_wakeup(priv); |
Sujith | abd984e | 2010-05-18 15:26:04 +0530 | [diff] [blame] | 1418 | ret = ath9k_htc_add_station(priv, vif, sta); |
| 1419 | if (!ret) |
| 1420 | ath9k_htc_init_rate(priv, sta); |
Sujith | cb551df | 2010-06-01 15:14:12 +0530 | [diff] [blame] | 1421 | ath9k_htc_ps_restore(priv); |
Sujith.Manoharan@atheros.com | 05a30f9 | 2010-05-11 16:24:38 +0530 | [diff] [blame] | 1422 | mutex_unlock(&priv->mutex); |
Sujith | abd984e | 2010-05-18 15:26:04 +0530 | [diff] [blame] | 1423 | |
| 1424 | return ret; |
| 1425 | } |
| 1426 | |
| 1427 | static int ath9k_htc_sta_remove(struct ieee80211_hw *hw, |
| 1428 | struct ieee80211_vif *vif, |
| 1429 | struct ieee80211_sta *sta) |
| 1430 | { |
| 1431 | struct ath9k_htc_priv *priv = hw->priv; |
| 1432 | int ret; |
| 1433 | |
| 1434 | mutex_lock(&priv->mutex); |
| 1435 | ath9k_htc_ps_wakeup(priv); |
| 1436 | ret = ath9k_htc_remove_station(priv, vif, sta); |
| 1437 | ath9k_htc_ps_restore(priv); |
| 1438 | mutex_unlock(&priv->mutex); |
| 1439 | |
| 1440 | return ret; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1441 | } |
| 1442 | |
| 1443 | static int ath9k_htc_conf_tx(struct ieee80211_hw *hw, u16 queue, |
| 1444 | const struct ieee80211_tx_queue_params *params) |
| 1445 | { |
| 1446 | struct ath9k_htc_priv *priv = hw->priv; |
| 1447 | struct ath_common *common = ath9k_hw_common(priv->ah); |
| 1448 | struct ath9k_tx_queue_info qi; |
| 1449 | int ret = 0, qnum; |
| 1450 | |
| 1451 | if (queue >= WME_NUM_AC) |
| 1452 | return 0; |
| 1453 | |
| 1454 | mutex_lock(&priv->mutex); |
Sujith | cb551df | 2010-06-01 15:14:12 +0530 | [diff] [blame] | 1455 | ath9k_htc_ps_wakeup(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1456 | |
| 1457 | memset(&qi, 0, sizeof(struct ath9k_tx_queue_info)); |
| 1458 | |
| 1459 | qi.tqi_aifs = params->aifs; |
| 1460 | qi.tqi_cwmin = params->cw_min; |
| 1461 | qi.tqi_cwmax = params->cw_max; |
| 1462 | qi.tqi_burstTime = params->txop; |
| 1463 | |
| 1464 | qnum = get_hw_qnum(queue, priv->hwq_map); |
| 1465 | |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 1466 | ath_dbg(common, ATH_DBG_CONFIG, |
| 1467 | "Configure tx [queue/hwq] [%d/%d], aifs: %d, cw_min: %d, cw_max: %d, txop: %d\n", |
| 1468 | queue, qnum, params->aifs, params->cw_min, |
| 1469 | params->cw_max, params->txop); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1470 | |
Sujith | e1572c5 | 2010-03-24 13:42:13 +0530 | [diff] [blame] | 1471 | ret = ath_htc_txq_update(priv, qnum, &qi); |
Sujith | 764580f | 2010-06-01 15:14:19 +0530 | [diff] [blame] | 1472 | if (ret) { |
Joe Perches | 3800276 | 2010-12-02 19:12:36 -0800 | [diff] [blame] | 1473 | ath_err(common, "TXQ Update failed\n"); |
Sujith | 764580f | 2010-06-01 15:14:19 +0530 | [diff] [blame] | 1474 | goto out; |
| 1475 | } |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1476 | |
Sujith | 764580f | 2010-06-01 15:14:19 +0530 | [diff] [blame] | 1477 | if ((priv->ah->opmode == NL80211_IFTYPE_ADHOC) && |
Felix Fietkau | e8c35a7 | 2010-06-12 00:33:50 -0400 | [diff] [blame] | 1478 | (qnum == priv->hwq_map[WME_AC_BE])) |
Sujith | 764580f | 2010-06-01 15:14:19 +0530 | [diff] [blame] | 1479 | ath9k_htc_beaconq_config(priv); |
| 1480 | out: |
Sujith | cb551df | 2010-06-01 15:14:12 +0530 | [diff] [blame] | 1481 | ath9k_htc_ps_restore(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1482 | mutex_unlock(&priv->mutex); |
| 1483 | |
| 1484 | return ret; |
| 1485 | } |
| 1486 | |
| 1487 | static int ath9k_htc_set_key(struct ieee80211_hw *hw, |
| 1488 | enum set_key_cmd cmd, |
| 1489 | struct ieee80211_vif *vif, |
| 1490 | struct ieee80211_sta *sta, |
| 1491 | struct ieee80211_key_conf *key) |
| 1492 | { |
| 1493 | struct ath9k_htc_priv *priv = hw->priv; |
| 1494 | struct ath_common *common = ath9k_hw_common(priv->ah); |
| 1495 | int ret = 0; |
| 1496 | |
Sujith | e1572c5 | 2010-03-24 13:42:13 +0530 | [diff] [blame] | 1497 | if (htc_modparam_nohwcrypt) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1498 | return -ENOSPC; |
| 1499 | |
| 1500 | mutex_lock(&priv->mutex); |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 1501 | ath_dbg(common, ATH_DBG_CONFIG, "Set HW Key\n"); |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 1502 | ath9k_htc_ps_wakeup(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1503 | |
| 1504 | switch (cmd) { |
| 1505 | case SET_KEY: |
Bruno Randolf | 040e539 | 2010-09-08 16:05:04 +0900 | [diff] [blame] | 1506 | ret = ath_key_config(common, vif, sta, key); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1507 | if (ret >= 0) { |
| 1508 | key->hw_key_idx = ret; |
| 1509 | /* push IV and Michael MIC generation to stack */ |
| 1510 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 1511 | if (key->cipher == WLAN_CIPHER_SUITE_TKIP) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1512 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 1513 | if (priv->ah->sw_mgmt_crypto && |
| 1514 | key->cipher == WLAN_CIPHER_SUITE_CCMP) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1515 | key->flags |= IEEE80211_KEY_FLAG_SW_MGMT; |
| 1516 | ret = 0; |
| 1517 | } |
| 1518 | break; |
| 1519 | case DISABLE_KEY: |
Bruno Randolf | 040e539 | 2010-09-08 16:05:04 +0900 | [diff] [blame] | 1520 | ath_key_delete(common, key); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1521 | break; |
| 1522 | default: |
| 1523 | ret = -EINVAL; |
| 1524 | } |
| 1525 | |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 1526 | ath9k_htc_ps_restore(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1527 | mutex_unlock(&priv->mutex); |
| 1528 | |
| 1529 | return ret; |
| 1530 | } |
| 1531 | |
| 1532 | static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw, |
| 1533 | struct ieee80211_vif *vif, |
| 1534 | struct ieee80211_bss_conf *bss_conf, |
| 1535 | u32 changed) |
| 1536 | { |
| 1537 | struct ath9k_htc_priv *priv = hw->priv; |
| 1538 | struct ath_hw *ah = priv->ah; |
| 1539 | struct ath_common *common = ath9k_hw_common(ah); |
| 1540 | |
| 1541 | mutex_lock(&priv->mutex); |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 1542 | ath9k_htc_ps_wakeup(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1543 | |
| 1544 | if (changed & BSS_CHANGED_ASSOC) { |
| 1545 | common->curaid = bss_conf->assoc ? |
| 1546 | bss_conf->aid : 0; |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 1547 | ath_dbg(common, ATH_DBG_CONFIG, "BSS Changed ASSOC %d\n", |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1548 | bss_conf->assoc); |
| 1549 | |
Sujith Manoharan | 7c27734 | 2011-02-21 07:48:39 +0530 | [diff] [blame] | 1550 | if (bss_conf->assoc) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1551 | ath_start_ani(priv); |
Sujith Manoharan | 7c27734 | 2011-02-21 07:48:39 +0530 | [diff] [blame] | 1552 | else |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1553 | cancel_delayed_work_sync(&priv->ath9k_ani_work); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1554 | } |
| 1555 | |
| 1556 | if (changed & BSS_CHANGED_BSSID) { |
| 1557 | /* Set BSSID */ |
| 1558 | memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN); |
| 1559 | ath9k_hw_write_associd(ah); |
| 1560 | |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 1561 | ath_dbg(common, ATH_DBG_CONFIG, |
| 1562 | "BSSID: %pM aid: 0x%x\n", |
| 1563 | common->curbssid, common->curaid); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1564 | } |
| 1565 | |
| 1566 | if ((changed & BSS_CHANGED_BEACON_INT) || |
| 1567 | (changed & BSS_CHANGED_BEACON) || |
| 1568 | ((changed & BSS_CHANGED_BEACON_ENABLED) && |
| 1569 | bss_conf->enable_beacon)) { |
| 1570 | priv->op_flags |= OP_ENABLE_BEACON; |
Vivek Natarajan | 1c3652a | 2010-04-05 14:48:06 +0530 | [diff] [blame] | 1571 | ath9k_htc_beacon_config(priv, vif); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1572 | } |
| 1573 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1574 | if ((changed & BSS_CHANGED_BEACON_ENABLED) && |
| 1575 | !bss_conf->enable_beacon) { |
| 1576 | priv->op_flags &= ~OP_ENABLE_BEACON; |
Vivek Natarajan | 1c3652a | 2010-04-05 14:48:06 +0530 | [diff] [blame] | 1577 | ath9k_htc_beacon_config(priv, vif); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1578 | } |
| 1579 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1580 | if (changed & BSS_CHANGED_ERP_SLOT) { |
| 1581 | if (bss_conf->use_short_slot) |
| 1582 | ah->slottime = 9; |
| 1583 | else |
| 1584 | ah->slottime = 20; |
| 1585 | |
| 1586 | ath9k_hw_init_global_settings(ah); |
| 1587 | } |
| 1588 | |
Sujith | 2c76ef8 | 2010-05-17 12:01:18 +0530 | [diff] [blame] | 1589 | if (changed & BSS_CHANGED_HT) |
| 1590 | ath9k_htc_update_rate(priv, vif, bss_conf); |
| 1591 | |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 1592 | ath9k_htc_ps_restore(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1593 | mutex_unlock(&priv->mutex); |
| 1594 | } |
| 1595 | |
| 1596 | static u64 ath9k_htc_get_tsf(struct ieee80211_hw *hw) |
| 1597 | { |
| 1598 | struct ath9k_htc_priv *priv = hw->priv; |
| 1599 | u64 tsf; |
| 1600 | |
| 1601 | mutex_lock(&priv->mutex); |
Sujith | cb551df | 2010-06-01 15:14:12 +0530 | [diff] [blame] | 1602 | ath9k_htc_ps_wakeup(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1603 | tsf = ath9k_hw_gettsf64(priv->ah); |
Sujith | cb551df | 2010-06-01 15:14:12 +0530 | [diff] [blame] | 1604 | ath9k_htc_ps_restore(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1605 | mutex_unlock(&priv->mutex); |
| 1606 | |
| 1607 | return tsf; |
| 1608 | } |
| 1609 | |
| 1610 | static void ath9k_htc_set_tsf(struct ieee80211_hw *hw, u64 tsf) |
| 1611 | { |
| 1612 | struct ath9k_htc_priv *priv = hw->priv; |
| 1613 | |
| 1614 | mutex_lock(&priv->mutex); |
Sujith | cb551df | 2010-06-01 15:14:12 +0530 | [diff] [blame] | 1615 | ath9k_htc_ps_wakeup(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1616 | ath9k_hw_settsf64(priv->ah, tsf); |
Sujith | cb551df | 2010-06-01 15:14:12 +0530 | [diff] [blame] | 1617 | ath9k_htc_ps_restore(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1618 | mutex_unlock(&priv->mutex); |
| 1619 | } |
| 1620 | |
| 1621 | static void ath9k_htc_reset_tsf(struct ieee80211_hw *hw) |
| 1622 | { |
| 1623 | struct ath9k_htc_priv *priv = hw->priv; |
| 1624 | |
| 1625 | mutex_lock(&priv->mutex); |
Sujith | cb551df | 2010-06-01 15:14:12 +0530 | [diff] [blame] | 1626 | ath9k_htc_ps_wakeup(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1627 | ath9k_hw_reset_tsf(priv->ah); |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 1628 | ath9k_htc_ps_restore(priv); |
Sujith | cb551df | 2010-06-01 15:14:12 +0530 | [diff] [blame] | 1629 | mutex_unlock(&priv->mutex); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1630 | } |
| 1631 | |
| 1632 | static int ath9k_htc_ampdu_action(struct ieee80211_hw *hw, |
| 1633 | struct ieee80211_vif *vif, |
| 1634 | enum ieee80211_ampdu_mlme_action action, |
| 1635 | struct ieee80211_sta *sta, |
Johannes Berg | 0b01f03 | 2011-01-18 13:51:05 +0100 | [diff] [blame] | 1636 | u16 tid, u16 *ssn, u8 buf_size) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1637 | { |
| 1638 | struct ath9k_htc_priv *priv = hw->priv; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1639 | struct ath9k_htc_sta *ista; |
Sujith | d7ca213 | 2010-06-15 10:24:37 +0530 | [diff] [blame] | 1640 | int ret = 0; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1641 | |
Sujith Manoharan | 87df895 | 2011-02-21 07:49:08 +0530 | [diff] [blame^] | 1642 | mutex_lock(&priv->mutex); |
| 1643 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1644 | switch (action) { |
| 1645 | case IEEE80211_AMPDU_RX_START: |
| 1646 | break; |
| 1647 | case IEEE80211_AMPDU_RX_STOP: |
| 1648 | break; |
| 1649 | case IEEE80211_AMPDU_TX_START: |
Sujith | d7ca213 | 2010-06-15 10:24:37 +0530 | [diff] [blame] | 1650 | ret = ath9k_htc_tx_aggr_oper(priv, vif, sta, action, tid); |
| 1651 | if (!ret) |
| 1652 | ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); |
| 1653 | break; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1654 | case IEEE80211_AMPDU_TX_STOP: |
Sujith | d7ca213 | 2010-06-15 10:24:37 +0530 | [diff] [blame] | 1655 | ath9k_htc_tx_aggr_oper(priv, vif, sta, action, tid); |
| 1656 | ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1657 | break; |
| 1658 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
| 1659 | ista = (struct ath9k_htc_sta *) sta->drv_priv; |
Sujith | d7ca213 | 2010-06-15 10:24:37 +0530 | [diff] [blame] | 1660 | spin_lock_bh(&priv->tx_lock); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1661 | ista->tid_state[tid] = AGGR_OPERATIONAL; |
Sujith | d7ca213 | 2010-06-15 10:24:37 +0530 | [diff] [blame] | 1662 | spin_unlock_bh(&priv->tx_lock); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1663 | break; |
| 1664 | default: |
Joe Perches | 3800276 | 2010-12-02 19:12:36 -0800 | [diff] [blame] | 1665 | ath_err(ath9k_hw_common(priv->ah), "Unknown AMPDU action\n"); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1666 | } |
| 1667 | |
Sujith Manoharan | 87df895 | 2011-02-21 07:49:08 +0530 | [diff] [blame^] | 1668 | mutex_unlock(&priv->mutex); |
| 1669 | |
Sujith | d7ca213 | 2010-06-15 10:24:37 +0530 | [diff] [blame] | 1670 | return ret; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1671 | } |
| 1672 | |
| 1673 | static void ath9k_htc_sw_scan_start(struct ieee80211_hw *hw) |
| 1674 | { |
| 1675 | struct ath9k_htc_priv *priv = hw->priv; |
| 1676 | |
| 1677 | mutex_lock(&priv->mutex); |
| 1678 | spin_lock_bh(&priv->beacon_lock); |
| 1679 | priv->op_flags |= OP_SCANNING; |
| 1680 | spin_unlock_bh(&priv->beacon_lock); |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 1681 | cancel_work_sync(&priv->ps_work); |
Sujith Manoharan | 7c27734 | 2011-02-21 07:48:39 +0530 | [diff] [blame] | 1682 | cancel_delayed_work_sync(&priv->ath9k_ani_work); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1683 | mutex_unlock(&priv->mutex); |
| 1684 | } |
| 1685 | |
| 1686 | static void ath9k_htc_sw_scan_complete(struct ieee80211_hw *hw) |
| 1687 | { |
| 1688 | struct ath9k_htc_priv *priv = hw->priv; |
| 1689 | |
| 1690 | mutex_lock(&priv->mutex); |
| 1691 | spin_lock_bh(&priv->beacon_lock); |
| 1692 | priv->op_flags &= ~OP_SCANNING; |
| 1693 | spin_unlock_bh(&priv->beacon_lock); |
Sujith Manoharan | 7c27734 | 2011-02-21 07:48:39 +0530 | [diff] [blame] | 1694 | ath9k_htc_ps_wakeup(priv); |
| 1695 | ath9k_htc_vif_reconfig(priv); |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 1696 | ath9k_htc_ps_restore(priv); |
Sujith | cb551df | 2010-06-01 15:14:12 +0530 | [diff] [blame] | 1697 | mutex_unlock(&priv->mutex); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1698 | } |
| 1699 | |
| 1700 | static int ath9k_htc_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
| 1701 | { |
| 1702 | return 0; |
| 1703 | } |
| 1704 | |
| 1705 | static void ath9k_htc_set_coverage_class(struct ieee80211_hw *hw, |
| 1706 | u8 coverage_class) |
| 1707 | { |
| 1708 | struct ath9k_htc_priv *priv = hw->priv; |
| 1709 | |
| 1710 | mutex_lock(&priv->mutex); |
Sujith | cb551df | 2010-06-01 15:14:12 +0530 | [diff] [blame] | 1711 | ath9k_htc_ps_wakeup(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1712 | priv->ah->coverage_class = coverage_class; |
| 1713 | ath9k_hw_init_global_settings(priv->ah); |
Sujith | cb551df | 2010-06-01 15:14:12 +0530 | [diff] [blame] | 1714 | ath9k_htc_ps_restore(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1715 | mutex_unlock(&priv->mutex); |
| 1716 | } |
| 1717 | |
| 1718 | struct ieee80211_ops ath9k_htc_ops = { |
| 1719 | .tx = ath9k_htc_tx, |
| 1720 | .start = ath9k_htc_start, |
| 1721 | .stop = ath9k_htc_stop, |
| 1722 | .add_interface = ath9k_htc_add_interface, |
| 1723 | .remove_interface = ath9k_htc_remove_interface, |
| 1724 | .config = ath9k_htc_config, |
| 1725 | .configure_filter = ath9k_htc_configure_filter, |
Sujith | abd984e | 2010-05-18 15:26:04 +0530 | [diff] [blame] | 1726 | .sta_add = ath9k_htc_sta_add, |
| 1727 | .sta_remove = ath9k_htc_sta_remove, |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1728 | .conf_tx = ath9k_htc_conf_tx, |
| 1729 | .bss_info_changed = ath9k_htc_bss_info_changed, |
| 1730 | .set_key = ath9k_htc_set_key, |
| 1731 | .get_tsf = ath9k_htc_get_tsf, |
| 1732 | .set_tsf = ath9k_htc_set_tsf, |
| 1733 | .reset_tsf = ath9k_htc_reset_tsf, |
| 1734 | .ampdu_action = ath9k_htc_ampdu_action, |
| 1735 | .sw_scan_start = ath9k_htc_sw_scan_start, |
| 1736 | .sw_scan_complete = ath9k_htc_sw_scan_complete, |
| 1737 | .set_rts_threshold = ath9k_htc_set_rts_threshold, |
| 1738 | .rfkill_poll = ath9k_htc_rfkill_poll_state, |
| 1739 | .set_coverage_class = ath9k_htc_set_coverage_class, |
| 1740 | }; |