Commit | Line | Data |
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fb9987d0 S |
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 | ||
1e1f4ad2 | 27 | void ath_update_txpow(struct ath9k_htc_priv *priv) |
fb9987d0 S |
28 | { |
29 | struct ath_hw *ah = priv->ah; | |
fb9987d0 S |
30 | |
31 | if (priv->curtxpow != priv->txpowlimit) { | |
de40f316 | 32 | ath9k_hw_set_txpowerlimit(ah, priv->txpowlimit, false); |
fb9987d0 | 33 | /* read back in case value is clamped */ |
9cc3271f | 34 | priv->curtxpow = ath9k_hw_regulatory(ah)->power_limit; |
fb9987d0 S |
35 | } |
36 | } | |
37 | ||
38 | /* HACK Alert: Use 11NG for 2.4, use 11NA for 5 */ | |
39 | static enum htc_phymode ath9k_htc_get_curmode(struct ath9k_htc_priv *priv, | |
40 | struct ath9k_channel *ichan) | |
41 | { | |
42 | enum htc_phymode mode; | |
43 | ||
44 | mode = HTC_MODE_AUTO; | |
45 | ||
46 | switch (ichan->chanmode) { | |
47 | case CHANNEL_G: | |
48 | case CHANNEL_G_HT20: | |
49 | case CHANNEL_G_HT40PLUS: | |
50 | case CHANNEL_G_HT40MINUS: | |
51 | mode = HTC_MODE_11NG; | |
52 | break; | |
53 | case CHANNEL_A: | |
54 | case CHANNEL_A_HT20: | |
55 | case CHANNEL_A_HT40PLUS: | |
56 | case CHANNEL_A_HT40MINUS: | |
57 | mode = HTC_MODE_11NA; | |
58 | break; | |
59 | default: | |
60 | break; | |
61 | } | |
62 | ||
63 | return mode; | |
64 | } | |
65 | ||
f933ebed SM |
66 | bool ath9k_htc_setpower(struct ath9k_htc_priv *priv, |
67 | enum ath9k_power_mode mode) | |
bde748a4 VN |
68 | { |
69 | bool ret; | |
70 | ||
71 | mutex_lock(&priv->htc_pm_lock); | |
72 | ret = ath9k_hw_setpower(priv->ah, mode); | |
73 | mutex_unlock(&priv->htc_pm_lock); | |
74 | ||
75 | return ret; | |
76 | } | |
77 | ||
78 | void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv) | |
79 | { | |
80 | mutex_lock(&priv->htc_pm_lock); | |
81 | if (++priv->ps_usecount != 1) | |
82 | goto unlock; | |
83 | ath9k_hw_setpower(priv->ah, ATH9K_PM_AWAKE); | |
84 | ||
85 | unlock: | |
86 | mutex_unlock(&priv->htc_pm_lock); | |
87 | } | |
88 | ||
89 | void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv) | |
90 | { | |
91 | mutex_lock(&priv->htc_pm_lock); | |
92 | if (--priv->ps_usecount != 0) | |
93 | goto unlock; | |
94 | ||
8a8572a8 VN |
95 | if (priv->ps_idle) |
96 | ath9k_hw_setpower(priv->ah, ATH9K_PM_FULL_SLEEP); | |
97 | else if (priv->ps_enabled) | |
bde748a4 | 98 | ath9k_hw_setpower(priv->ah, ATH9K_PM_NETWORK_SLEEP); |
8a8572a8 | 99 | |
bde748a4 VN |
100 | unlock: |
101 | mutex_unlock(&priv->htc_pm_lock); | |
102 | } | |
103 | ||
104 | void ath9k_ps_work(struct work_struct *work) | |
105 | { | |
106 | struct ath9k_htc_priv *priv = | |
107 | container_of(work, struct ath9k_htc_priv, | |
108 | ps_work); | |
109 | ath9k_htc_setpower(priv, ATH9K_PM_AWAKE); | |
110 | ||
111 | /* The chip wakes up after receiving the first beacon | |
112 | while network sleep is enabled. For the driver to | |
113 | be in sync with the hw, set the chip to awake and | |
114 | only then set it to sleep. | |
115 | */ | |
116 | ath9k_htc_setpower(priv, ATH9K_PM_NETWORK_SLEEP); | |
117 | } | |
118 | ||
73908674 SM |
119 | void ath9k_htc_reset(struct ath9k_htc_priv *priv) |
120 | { | |
121 | struct ath_hw *ah = priv->ah; | |
122 | struct ath_common *common = ath9k_hw_common(ah); | |
123 | struct ieee80211_channel *channel = priv->hw->conf.channel; | |
124 | struct ath9k_hw_cal_data *caldata; | |
125 | enum htc_phymode mode; | |
126 | __be16 htc_mode; | |
127 | u8 cmd_rsp; | |
128 | int ret; | |
129 | ||
130 | mutex_lock(&priv->mutex); | |
131 | ath9k_htc_ps_wakeup(priv); | |
132 | ||
133 | if (priv->op_flags & OP_ASSOCIATED) | |
134 | cancel_delayed_work_sync(&priv->ath9k_ani_work); | |
135 | ||
136 | ieee80211_stop_queues(priv->hw); | |
137 | htc_stop(priv->htc); | |
138 | WMI_CMD(WMI_DISABLE_INTR_CMDID); | |
139 | WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID); | |
140 | WMI_CMD(WMI_STOP_RECV_CMDID); | |
141 | ||
142 | caldata = &priv->caldata[channel->hw_value]; | |
143 | ret = ath9k_hw_reset(ah, ah->curchan, caldata, false); | |
144 | if (ret) { | |
145 | ath_err(common, | |
146 | "Unable to reset device (%u Mhz) reset status %d\n", | |
147 | channel->center_freq, ret); | |
148 | } | |
149 | ||
150 | ath_update_txpow(priv); | |
151 | ||
152 | WMI_CMD(WMI_START_RECV_CMDID); | |
153 | ath9k_host_rx_init(priv); | |
154 | ||
155 | mode = ath9k_htc_get_curmode(priv, ah->curchan); | |
156 | htc_mode = cpu_to_be16(mode); | |
157 | WMI_CMD_BUF(WMI_SET_MODE_CMDID, &htc_mode); | |
158 | ||
159 | WMI_CMD(WMI_ENABLE_INTR_CMDID); | |
160 | htc_start(priv->htc); | |
161 | ||
162 | if (priv->op_flags & OP_ASSOCIATED) { | |
163 | ath9k_htc_beacon_config(priv, priv->vif); | |
164 | ath_start_ani(priv); | |
165 | } | |
166 | ||
167 | ieee80211_wake_queues(priv->hw); | |
168 | ||
169 | ath9k_htc_ps_restore(priv); | |
170 | mutex_unlock(&priv->mutex); | |
171 | } | |
172 | ||
fb9987d0 S |
173 | static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv, |
174 | struct ieee80211_hw *hw, | |
175 | struct ath9k_channel *hchan) | |
176 | { | |
177 | struct ath_hw *ah = priv->ah; | |
178 | struct ath_common *common = ath9k_hw_common(ah); | |
179 | struct ieee80211_conf *conf = &common->hw->conf; | |
039a0721 | 180 | bool fastcc; |
fb9987d0 | 181 | struct ieee80211_channel *channel = hw->conf.channel; |
20bd2a09 | 182 | struct ath9k_hw_cal_data *caldata; |
fb9987d0 | 183 | enum htc_phymode mode; |
7f1f5a00 | 184 | __be16 htc_mode; |
fb9987d0 S |
185 | u8 cmd_rsp; |
186 | int ret; | |
187 | ||
188 | if (priv->op_flags & OP_INVALID) | |
189 | return -EIO; | |
190 | ||
039a0721 | 191 | fastcc = !!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL); |
fb9987d0 | 192 | |
bde748a4 | 193 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
194 | htc_stop(priv->htc); |
195 | WMI_CMD(WMI_DISABLE_INTR_CMDID); | |
196 | WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID); | |
197 | WMI_CMD(WMI_STOP_RECV_CMDID); | |
198 | ||
226afe68 JP |
199 | ath_dbg(common, ATH_DBG_CONFIG, |
200 | "(%u MHz) -> (%u MHz), HT: %d, HT40: %d fastcc: %d\n", | |
201 | priv->ah->curchan->channel, | |
202 | channel->center_freq, conf_is_ht(conf), conf_is_ht40(conf), | |
203 | fastcc); | |
fb9987d0 | 204 | |
20bd2a09 FF |
205 | caldata = &priv->caldata[channel->hw_value]; |
206 | ret = ath9k_hw_reset(ah, hchan, caldata, fastcc); | |
fb9987d0 | 207 | if (ret) { |
3800276a JP |
208 | ath_err(common, |
209 | "Unable to reset channel (%u Mhz) reset status %d\n", | |
210 | channel->center_freq, ret); | |
fb9987d0 S |
211 | goto err; |
212 | } | |
213 | ||
214 | ath_update_txpow(priv); | |
215 | ||
216 | WMI_CMD(WMI_START_RECV_CMDID); | |
217 | if (ret) | |
218 | goto err; | |
219 | ||
220 | ath9k_host_rx_init(priv); | |
221 | ||
222 | mode = ath9k_htc_get_curmode(priv, hchan); | |
223 | htc_mode = cpu_to_be16(mode); | |
224 | WMI_CMD_BUF(WMI_SET_MODE_CMDID, &htc_mode); | |
225 | if (ret) | |
226 | goto err; | |
227 | ||
228 | WMI_CMD(WMI_ENABLE_INTR_CMDID); | |
229 | if (ret) | |
230 | goto err; | |
231 | ||
232 | htc_start(priv->htc); | |
fb9987d0 | 233 | err: |
bde748a4 | 234 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
235 | return ret; |
236 | } | |
237 | ||
cc721287 SM |
238 | static void __ath9k_htc_remove_monitor_interface(struct ath9k_htc_priv *priv) |
239 | { | |
240 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
241 | struct ath9k_htc_target_vif hvif; | |
242 | int ret = 0; | |
243 | u8 cmd_rsp; | |
244 | ||
245 | memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif)); | |
246 | memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN); | |
247 | hvif.index = 0; /* Should do for now */ | |
248 | WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif); | |
249 | priv->nvifs--; | |
250 | } | |
251 | ||
81fc2a33 RM |
252 | static int ath9k_htc_add_monitor_interface(struct ath9k_htc_priv *priv) |
253 | { | |
254 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
255 | struct ath9k_htc_target_vif hvif; | |
cc721287 | 256 | struct ath9k_htc_target_sta tsta; |
81fc2a33 RM |
257 | int ret = 0; |
258 | u8 cmd_rsp; | |
259 | ||
260 | if (priv->nvifs > 0) | |
261 | return -ENOBUFS; | |
262 | ||
cc721287 SM |
263 | if (priv->nstations >= ATH9K_HTC_MAX_STA) |
264 | return -ENOBUFS; | |
265 | ||
266 | /* | |
267 | * Add an interface. | |
268 | */ | |
269 | ||
81fc2a33 RM |
270 | memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif)); |
271 | memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN); | |
272 | ||
273 | hvif.opmode = cpu_to_be32(HTC_M_MONITOR); | |
274 | priv->ah->opmode = NL80211_IFTYPE_MONITOR; | |
275 | hvif.index = priv->nvifs; | |
276 | ||
277 | WMI_CMD_BUF(WMI_VAP_CREATE_CMDID, &hvif); | |
278 | if (ret) | |
279 | return ret; | |
280 | ||
281 | priv->nvifs++; | |
cc721287 SM |
282 | |
283 | /* | |
284 | * Associate a station with the interface for packet injection. | |
285 | */ | |
286 | ||
287 | memset(&tsta, 0, sizeof(struct ath9k_htc_target_sta)); | |
288 | ||
289 | memcpy(&tsta.macaddr, common->macaddr, ETH_ALEN); | |
290 | ||
291 | tsta.is_vif_sta = 1; | |
292 | tsta.sta_index = priv->nstations; | |
293 | tsta.vif_index = hvif.index; | |
294 | tsta.maxampdu = 0xffff; | |
295 | ||
296 | WMI_CMD_BUF(WMI_NODE_CREATE_CMDID, &tsta); | |
297 | if (ret) { | |
298 | ath_err(common, "Unable to add station entry for monitor mode\n"); | |
299 | goto err_vif; | |
300 | } | |
301 | ||
302 | priv->nstations++; | |
303 | ||
55de80d6 SM |
304 | /* |
305 | * Set chainmask etc. on the target. | |
306 | */ | |
307 | ret = ath9k_htc_update_cap_target(priv); | |
308 | if (ret) | |
309 | ath_dbg(common, ATH_DBG_CONFIG, | |
310 | "Failed to update capability in target\n"); | |
311 | ||
312 | priv->ah->is_monitoring = true; | |
313 | ||
81fc2a33 | 314 | return 0; |
cc721287 SM |
315 | |
316 | err_vif: | |
317 | /* | |
318 | * Remove the interface from the target. | |
319 | */ | |
320 | __ath9k_htc_remove_monitor_interface(priv); | |
321 | return ret; | |
81fc2a33 RM |
322 | } |
323 | ||
324 | static int ath9k_htc_remove_monitor_interface(struct ath9k_htc_priv *priv) | |
325 | { | |
326 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
81fc2a33 | 327 | int ret = 0; |
cc721287 | 328 | u8 cmd_rsp, sta_idx; |
81fc2a33 | 329 | |
cc721287 | 330 | __ath9k_htc_remove_monitor_interface(priv); |
81fc2a33 | 331 | |
cc721287 SM |
332 | sta_idx = 0; /* Only single interface, for now */ |
333 | ||
334 | WMI_CMD_BUF(WMI_NODE_REMOVE_CMDID, &sta_idx); | |
335 | if (ret) { | |
336 | ath_err(common, "Unable to remove station entry for monitor mode\n"); | |
337 | return ret; | |
338 | } | |
339 | ||
340 | priv->nstations--; | |
55de80d6 | 341 | priv->ah->is_monitoring = false; |
cc721287 SM |
342 | |
343 | return 0; | |
81fc2a33 RM |
344 | } |
345 | ||
fb9987d0 S |
346 | static int ath9k_htc_add_station(struct ath9k_htc_priv *priv, |
347 | struct ieee80211_vif *vif, | |
348 | struct ieee80211_sta *sta) | |
349 | { | |
350 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
351 | struct ath9k_htc_target_sta tsta; | |
352 | struct ath9k_htc_vif *avp = (struct ath9k_htc_vif *) vif->drv_priv; | |
353 | struct ath9k_htc_sta *ista; | |
354 | int ret; | |
355 | u8 cmd_rsp; | |
356 | ||
357 | if (priv->nstations >= ATH9K_HTC_MAX_STA) | |
358 | return -ENOBUFS; | |
359 | ||
360 | memset(&tsta, 0, sizeof(struct ath9k_htc_target_sta)); | |
361 | ||
362 | if (sta) { | |
363 | ista = (struct ath9k_htc_sta *) sta->drv_priv; | |
364 | memcpy(&tsta.macaddr, sta->addr, ETH_ALEN); | |
365 | memcpy(&tsta.bssid, common->curbssid, ETH_ALEN); | |
366 | tsta.associd = common->curaid; | |
367 | tsta.is_vif_sta = 0; | |
368 | tsta.valid = true; | |
369 | ista->index = priv->nstations; | |
370 | } else { | |
371 | memcpy(&tsta.macaddr, vif->addr, ETH_ALEN); | |
372 | tsta.is_vif_sta = 1; | |
373 | } | |
374 | ||
375 | tsta.sta_index = priv->nstations; | |
376 | tsta.vif_index = avp->index; | |
377 | tsta.maxampdu = 0xffff; | |
378 | if (sta && sta->ht_cap.ht_supported) | |
379 | tsta.flags = cpu_to_be16(ATH_HTC_STA_HT); | |
380 | ||
381 | WMI_CMD_BUF(WMI_NODE_CREATE_CMDID, &tsta); | |
382 | if (ret) { | |
383 | if (sta) | |
3800276a JP |
384 | ath_err(common, |
385 | "Unable to add station entry for: %pM\n", | |
386 | sta->addr); | |
fb9987d0 S |
387 | return ret; |
388 | } | |
389 | ||
390 | if (sta) | |
226afe68 JP |
391 | ath_dbg(common, ATH_DBG_CONFIG, |
392 | "Added a station entry for: %pM (idx: %d)\n", | |
393 | sta->addr, tsta.sta_index); | |
fb9987d0 S |
394 | |
395 | priv->nstations++; | |
396 | return 0; | |
397 | } | |
398 | ||
399 | static int ath9k_htc_remove_station(struct ath9k_htc_priv *priv, | |
400 | struct ieee80211_vif *vif, | |
401 | struct ieee80211_sta *sta) | |
402 | { | |
403 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
404 | struct ath9k_htc_sta *ista; | |
405 | int ret; | |
406 | u8 cmd_rsp, sta_idx; | |
407 | ||
408 | if (sta) { | |
409 | ista = (struct ath9k_htc_sta *) sta->drv_priv; | |
410 | sta_idx = ista->index; | |
411 | } else { | |
412 | sta_idx = 0; | |
413 | } | |
414 | ||
415 | WMI_CMD_BUF(WMI_NODE_REMOVE_CMDID, &sta_idx); | |
416 | if (ret) { | |
417 | if (sta) | |
3800276a JP |
418 | ath_err(common, |
419 | "Unable to remove station entry for: %pM\n", | |
420 | sta->addr); | |
fb9987d0 S |
421 | return ret; |
422 | } | |
423 | ||
424 | if (sta) | |
226afe68 JP |
425 | ath_dbg(common, ATH_DBG_CONFIG, |
426 | "Removed a station entry for: %pM (idx: %d)\n", | |
427 | sta->addr, sta_idx); | |
fb9987d0 S |
428 | |
429 | priv->nstations--; | |
430 | return 0; | |
431 | } | |
432 | ||
55de80d6 | 433 | int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv) |
fb9987d0 S |
434 | { |
435 | struct ath9k_htc_cap_target tcap; | |
436 | int ret; | |
437 | u8 cmd_rsp; | |
438 | ||
439 | memset(&tcap, 0, sizeof(struct ath9k_htc_cap_target)); | |
440 | ||
441 | /* FIXME: Values are hardcoded */ | |
442 | tcap.flags = 0x240c40; | |
443 | tcap.flags_ext = 0x80601000; | |
444 | tcap.ampdu_limit = 0xffff0000; | |
445 | tcap.ampdu_subframes = 20; | |
29d9075e | 446 | tcap.tx_chainmask_legacy = priv->ah->caps.tx_chainmask; |
fb9987d0 | 447 | tcap.protmode = 1; |
29d9075e | 448 | tcap.tx_chainmask = priv->ah->caps.tx_chainmask; |
fb9987d0 S |
449 | |
450 | WMI_CMD_BUF(WMI_TARGET_IC_UPDATE_CMDID, &tcap); | |
451 | ||
452 | return ret; | |
453 | } | |
454 | ||
0d425a7d S |
455 | static void ath9k_htc_setup_rate(struct ath9k_htc_priv *priv, |
456 | struct ieee80211_sta *sta, | |
457 | struct ath9k_htc_target_rate *trate) | |
fb9987d0 | 458 | { |
fb9987d0 S |
459 | struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv; |
460 | struct ieee80211_supported_band *sband; | |
fb9987d0 | 461 | u32 caps = 0; |
0d425a7d | 462 | int i, j; |
fb9987d0 | 463 | |
ea46e644 | 464 | sband = priv->hw->wiphy->bands[priv->hw->conf.channel->band]; |
fb9987d0 S |
465 | |
466 | for (i = 0, j = 0; i < sband->n_bitrates; i++) { | |
467 | if (sta->supp_rates[sband->band] & BIT(i)) { | |
0d425a7d | 468 | trate->rates.legacy_rates.rs_rates[j] |
fb9987d0 S |
469 | = (sband->bitrates[i].bitrate * 2) / 10; |
470 | j++; | |
471 | } | |
472 | } | |
0d425a7d | 473 | trate->rates.legacy_rates.rs_nrates = j; |
fb9987d0 S |
474 | |
475 | if (sta->ht_cap.ht_supported) { | |
476 | for (i = 0, j = 0; i < 77; i++) { | |
477 | if (sta->ht_cap.mcs.rx_mask[i/8] & (1<<(i%8))) | |
0d425a7d | 478 | trate->rates.ht_rates.rs_rates[j++] = i; |
fb9987d0 S |
479 | if (j == ATH_HTC_RATE_MAX) |
480 | break; | |
481 | } | |
0d425a7d | 482 | trate->rates.ht_rates.rs_nrates = j; |
fb9987d0 S |
483 | |
484 | caps = WLAN_RC_HT_FLAG; | |
3553727c FF |
485 | if (sta->ht_cap.mcs.rx_mask[1]) |
486 | caps |= WLAN_RC_DS_FLAG; | |
71ba186c VN |
487 | if ((sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) && |
488 | (conf_is_ht40(&priv->hw->conf))) | |
fb9987d0 | 489 | caps |= WLAN_RC_40_FLAG; |
b4dec5e8 S |
490 | if (conf_is_ht40(&priv->hw->conf) && |
491 | (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)) | |
492 | caps |= WLAN_RC_SGI_FLAG; | |
493 | else if (conf_is_ht20(&priv->hw->conf) && | |
494 | (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20)) | |
fb9987d0 | 495 | caps |= WLAN_RC_SGI_FLAG; |
fb9987d0 S |
496 | } |
497 | ||
0d425a7d S |
498 | trate->sta_index = ista->index; |
499 | trate->isnew = 1; | |
500 | trate->capflags = cpu_to_be32(caps); | |
501 | } | |
502 | ||
503 | static int ath9k_htc_send_rate_cmd(struct ath9k_htc_priv *priv, | |
504 | struct ath9k_htc_target_rate *trate) | |
505 | { | |
506 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
507 | int ret; | |
508 | u8 cmd_rsp; | |
fb9987d0 | 509 | |
0d425a7d | 510 | WMI_CMD_BUF(WMI_RC_RATE_UPDATE_CMDID, trate); |
fb9987d0 | 511 | if (ret) { |
3800276a JP |
512 | ath_err(common, |
513 | "Unable to initialize Rate information on target\n"); | |
fb9987d0 S |
514 | } |
515 | ||
0d425a7d | 516 | return ret; |
fb9987d0 S |
517 | } |
518 | ||
0d425a7d S |
519 | static void ath9k_htc_init_rate(struct ath9k_htc_priv *priv, |
520 | struct ieee80211_sta *sta) | |
fb9987d0 | 521 | { |
fb9987d0 | 522 | struct ath_common *common = ath9k_hw_common(priv->ah); |
0d425a7d | 523 | struct ath9k_htc_target_rate trate; |
fb9987d0 | 524 | int ret; |
fb9987d0 | 525 | |
0d425a7d S |
526 | memset(&trate, 0, sizeof(struct ath9k_htc_target_rate)); |
527 | ath9k_htc_setup_rate(priv, sta, &trate); | |
528 | ret = ath9k_htc_send_rate_cmd(priv, &trate); | |
529 | if (!ret) | |
226afe68 JP |
530 | ath_dbg(common, ATH_DBG_CONFIG, |
531 | "Updated target sta: %pM, rate caps: 0x%X\n", | |
532 | sta->addr, be32_to_cpu(trate.capflags)); | |
fb9987d0 S |
533 | } |
534 | ||
2c76ef89 S |
535 | static void ath9k_htc_update_rate(struct ath9k_htc_priv *priv, |
536 | struct ieee80211_vif *vif, | |
537 | struct ieee80211_bss_conf *bss_conf) | |
538 | { | |
539 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
540 | struct ath9k_htc_target_rate trate; | |
541 | struct ieee80211_sta *sta; | |
542 | int ret; | |
543 | ||
544 | memset(&trate, 0, sizeof(struct ath9k_htc_target_rate)); | |
545 | ||
546 | rcu_read_lock(); | |
547 | sta = ieee80211_find_sta(vif, bss_conf->bssid); | |
548 | if (!sta) { | |
549 | rcu_read_unlock(); | |
550 | return; | |
551 | } | |
552 | ath9k_htc_setup_rate(priv, sta, &trate); | |
553 | rcu_read_unlock(); | |
554 | ||
555 | ret = ath9k_htc_send_rate_cmd(priv, &trate); | |
556 | if (!ret) | |
226afe68 JP |
557 | ath_dbg(common, ATH_DBG_CONFIG, |
558 | "Updated target sta: %pM, rate caps: 0x%X\n", | |
559 | bss_conf->bssid, be32_to_cpu(trate.capflags)); | |
2c76ef89 S |
560 | } |
561 | ||
9edd9520 LR |
562 | static int ath9k_htc_tx_aggr_oper(struct ath9k_htc_priv *priv, |
563 | struct ieee80211_vif *vif, | |
564 | struct ieee80211_sta *sta, | |
565 | enum ieee80211_ampdu_mlme_action action, | |
566 | u16 tid) | |
fb9987d0 S |
567 | { |
568 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
569 | struct ath9k_htc_target_aggr aggr; | |
277a64d1 | 570 | struct ath9k_htc_sta *ista; |
fb9987d0 S |
571 | int ret = 0; |
572 | u8 cmd_rsp; | |
573 | ||
0730d114 | 574 | if (tid >= ATH9K_HTC_MAX_TID) |
fb9987d0 S |
575 | return -EINVAL; |
576 | ||
ef98c3cd | 577 | memset(&aggr, 0, sizeof(struct ath9k_htc_target_aggr)); |
ef98c3cd | 578 | ista = (struct ath9k_htc_sta *) sta->drv_priv; |
fb9987d0 | 579 | |
fb9987d0 | 580 | aggr.sta_index = ista->index; |
d7ca2139 S |
581 | aggr.tidno = tid & 0xf; |
582 | aggr.aggr_enable = (action == IEEE80211_AMPDU_TX_START) ? true : false; | |
fb9987d0 | 583 | |
fb9987d0 S |
584 | WMI_CMD_BUF(WMI_TX_AGGR_ENABLE_CMDID, &aggr); |
585 | if (ret) | |
226afe68 JP |
586 | ath_dbg(common, ATH_DBG_CONFIG, |
587 | "Unable to %s TX aggregation for (%pM, %d)\n", | |
588 | (aggr.aggr_enable) ? "start" : "stop", sta->addr, tid); | |
fb9987d0 | 589 | else |
226afe68 JP |
590 | ath_dbg(common, ATH_DBG_CONFIG, |
591 | "%s TX aggregation for (%pM, %d)\n", | |
592 | (aggr.aggr_enable) ? "Starting" : "Stopping", | |
593 | sta->addr, tid); | |
fb9987d0 | 594 | |
d7ca2139 S |
595 | spin_lock_bh(&priv->tx_lock); |
596 | ista->tid_state[tid] = (aggr.aggr_enable && !ret) ? AGGR_START : AGGR_STOP; | |
597 | spin_unlock_bh(&priv->tx_lock); | |
fb9987d0 | 598 | |
d7ca2139 | 599 | return ret; |
fb9987d0 S |
600 | } |
601 | ||
602 | /*********/ | |
603 | /* DEBUG */ | |
604 | /*********/ | |
605 | ||
606 | #ifdef CONFIG_ATH9K_HTC_DEBUGFS | |
607 | ||
608 | static int ath9k_debugfs_open(struct inode *inode, struct file *file) | |
609 | { | |
610 | file->private_data = inode->i_private; | |
611 | return 0; | |
612 | } | |
613 | ||
614 | static ssize_t read_file_tgt_stats(struct file *file, char __user *user_buf, | |
615 | size_t count, loff_t *ppos) | |
616 | { | |
57674308 | 617 | struct ath9k_htc_priv *priv = file->private_data; |
fb9987d0 S |
618 | struct ath9k_htc_target_stats cmd_rsp; |
619 | char buf[512]; | |
620 | unsigned int len = 0; | |
621 | int ret = 0; | |
622 | ||
623 | memset(&cmd_rsp, 0, sizeof(cmd_rsp)); | |
624 | ||
625 | WMI_CMD(WMI_TGT_STATS_CMDID); | |
626 | if (ret) | |
627 | return -EINVAL; | |
628 | ||
629 | ||
630 | len += snprintf(buf + len, sizeof(buf) - len, | |
631 | "%19s : %10u\n", "TX Short Retries", | |
632 | be32_to_cpu(cmd_rsp.tx_shortretry)); | |
633 | len += snprintf(buf + len, sizeof(buf) - len, | |
634 | "%19s : %10u\n", "TX Long Retries", | |
635 | be32_to_cpu(cmd_rsp.tx_longretry)); | |
636 | len += snprintf(buf + len, sizeof(buf) - len, | |
637 | "%19s : %10u\n", "TX Xretries", | |
638 | be32_to_cpu(cmd_rsp.tx_xretries)); | |
639 | len += snprintf(buf + len, sizeof(buf) - len, | |
640 | "%19s : %10u\n", "TX Unaggr. Xretries", | |
641 | be32_to_cpu(cmd_rsp.ht_txunaggr_xretry)); | |
642 | len += snprintf(buf + len, sizeof(buf) - len, | |
643 | "%19s : %10u\n", "TX Xretries (HT)", | |
644 | be32_to_cpu(cmd_rsp.ht_tx_xretries)); | |
645 | len += snprintf(buf + len, sizeof(buf) - len, | |
646 | "%19s : %10u\n", "TX Rate", priv->debug.txrate); | |
647 | ||
9746010b DC |
648 | if (len > sizeof(buf)) |
649 | len = sizeof(buf); | |
650 | ||
fb9987d0 S |
651 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
652 | } | |
653 | ||
654 | static const struct file_operations fops_tgt_stats = { | |
655 | .read = read_file_tgt_stats, | |
656 | .open = ath9k_debugfs_open, | |
6038f373 AB |
657 | .owner = THIS_MODULE, |
658 | .llseek = default_llseek, | |
fb9987d0 S |
659 | }; |
660 | ||
661 | static ssize_t read_file_xmit(struct file *file, char __user *user_buf, | |
662 | size_t count, loff_t *ppos) | |
663 | { | |
57674308 | 664 | struct ath9k_htc_priv *priv = file->private_data; |
fb9987d0 S |
665 | char buf[512]; |
666 | unsigned int len = 0; | |
667 | ||
668 | len += snprintf(buf + len, sizeof(buf) - len, | |
669 | "%20s : %10u\n", "Buffers queued", | |
670 | priv->debug.tx_stats.buf_queued); | |
671 | len += snprintf(buf + len, sizeof(buf) - len, | |
672 | "%20s : %10u\n", "Buffers completed", | |
673 | priv->debug.tx_stats.buf_completed); | |
674 | len += snprintf(buf + len, sizeof(buf) - len, | |
675 | "%20s : %10u\n", "SKBs queued", | |
676 | priv->debug.tx_stats.skb_queued); | |
677 | len += snprintf(buf + len, sizeof(buf) - len, | |
678 | "%20s : %10u\n", "SKBs completed", | |
679 | priv->debug.tx_stats.skb_completed); | |
eac8e385 S |
680 | len += snprintf(buf + len, sizeof(buf) - len, |
681 | "%20s : %10u\n", "SKBs dropped", | |
682 | priv->debug.tx_stats.skb_dropped); | |
fb9987d0 | 683 | |
2edb4583 S |
684 | len += snprintf(buf + len, sizeof(buf) - len, |
685 | "%20s : %10u\n", "BE queued", | |
686 | priv->debug.tx_stats.queue_stats[WME_AC_BE]); | |
687 | len += snprintf(buf + len, sizeof(buf) - len, | |
688 | "%20s : %10u\n", "BK queued", | |
689 | priv->debug.tx_stats.queue_stats[WME_AC_BK]); | |
690 | len += snprintf(buf + len, sizeof(buf) - len, | |
691 | "%20s : %10u\n", "VI queued", | |
692 | priv->debug.tx_stats.queue_stats[WME_AC_VI]); | |
693 | len += snprintf(buf + len, sizeof(buf) - len, | |
694 | "%20s : %10u\n", "VO queued", | |
695 | priv->debug.tx_stats.queue_stats[WME_AC_VO]); | |
696 | ||
9746010b DC |
697 | if (len > sizeof(buf)) |
698 | len = sizeof(buf); | |
699 | ||
fb9987d0 S |
700 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
701 | } | |
702 | ||
703 | static const struct file_operations fops_xmit = { | |
704 | .read = read_file_xmit, | |
705 | .open = ath9k_debugfs_open, | |
6038f373 AB |
706 | .owner = THIS_MODULE, |
707 | .llseek = default_llseek, | |
fb9987d0 S |
708 | }; |
709 | ||
710 | static ssize_t read_file_recv(struct file *file, char __user *user_buf, | |
711 | size_t count, loff_t *ppos) | |
712 | { | |
57674308 | 713 | struct ath9k_htc_priv *priv = file->private_data; |
fb9987d0 S |
714 | char buf[512]; |
715 | unsigned int len = 0; | |
716 | ||
717 | len += snprintf(buf + len, sizeof(buf) - len, | |
718 | "%20s : %10u\n", "SKBs allocated", | |
719 | priv->debug.rx_stats.skb_allocated); | |
720 | len += snprintf(buf + len, sizeof(buf) - len, | |
721 | "%20s : %10u\n", "SKBs completed", | |
722 | priv->debug.rx_stats.skb_completed); | |
723 | len += snprintf(buf + len, sizeof(buf) - len, | |
724 | "%20s : %10u\n", "SKBs Dropped", | |
725 | priv->debug.rx_stats.skb_dropped); | |
726 | ||
9746010b DC |
727 | if (len > sizeof(buf)) |
728 | len = sizeof(buf); | |
729 | ||
fb9987d0 S |
730 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
731 | } | |
732 | ||
733 | static const struct file_operations fops_recv = { | |
734 | .read = read_file_recv, | |
735 | .open = ath9k_debugfs_open, | |
6038f373 AB |
736 | .owner = THIS_MODULE, |
737 | .llseek = default_llseek, | |
fb9987d0 S |
738 | }; |
739 | ||
e1572c5e | 740 | int ath9k_htc_init_debug(struct ath_hw *ah) |
fb9987d0 S |
741 | { |
742 | struct ath_common *common = ath9k_hw_common(ah); | |
743 | struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; | |
744 | ||
745 | if (!ath9k_debugfs_root) | |
746 | return -ENOENT; | |
747 | ||
748 | priv->debug.debugfs_phy = debugfs_create_dir(wiphy_name(priv->hw->wiphy), | |
749 | ath9k_debugfs_root); | |
750 | if (!priv->debug.debugfs_phy) | |
751 | goto err; | |
752 | ||
753 | priv->debug.debugfs_tgt_stats = debugfs_create_file("tgt_stats", S_IRUSR, | |
754 | priv->debug.debugfs_phy, | |
755 | priv, &fops_tgt_stats); | |
756 | if (!priv->debug.debugfs_tgt_stats) | |
757 | goto err; | |
758 | ||
759 | ||
760 | priv->debug.debugfs_xmit = debugfs_create_file("xmit", S_IRUSR, | |
761 | priv->debug.debugfs_phy, | |
762 | priv, &fops_xmit); | |
763 | if (!priv->debug.debugfs_xmit) | |
764 | goto err; | |
765 | ||
766 | priv->debug.debugfs_recv = debugfs_create_file("recv", S_IRUSR, | |
767 | priv->debug.debugfs_phy, | |
768 | priv, &fops_recv); | |
769 | if (!priv->debug.debugfs_recv) | |
770 | goto err; | |
771 | ||
772 | return 0; | |
773 | ||
774 | err: | |
e1572c5e | 775 | ath9k_htc_exit_debug(ah); |
fb9987d0 S |
776 | return -ENOMEM; |
777 | } | |
778 | ||
e1572c5e | 779 | void ath9k_htc_exit_debug(struct ath_hw *ah) |
fb9987d0 S |
780 | { |
781 | struct ath_common *common = ath9k_hw_common(ah); | |
782 | struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; | |
783 | ||
784 | debugfs_remove(priv->debug.debugfs_recv); | |
785 | debugfs_remove(priv->debug.debugfs_xmit); | |
786 | debugfs_remove(priv->debug.debugfs_tgt_stats); | |
787 | debugfs_remove(priv->debug.debugfs_phy); | |
788 | } | |
789 | ||
e1572c5e | 790 | int ath9k_htc_debug_create_root(void) |
fb9987d0 S |
791 | { |
792 | ath9k_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL); | |
793 | if (!ath9k_debugfs_root) | |
794 | return -ENOENT; | |
795 | ||
796 | return 0; | |
797 | } | |
798 | ||
e1572c5e | 799 | void ath9k_htc_debug_remove_root(void) |
fb9987d0 S |
800 | { |
801 | debugfs_remove(ath9k_debugfs_root); | |
802 | ath9k_debugfs_root = NULL; | |
803 | } | |
804 | ||
805 | #endif /* CONFIG_ATH9K_HTC_DEBUGFS */ | |
806 | ||
807 | /*******/ | |
808 | /* ANI */ | |
809 | /*******/ | |
810 | ||
73908674 | 811 | void ath_start_ani(struct ath9k_htc_priv *priv) |
fb9987d0 S |
812 | { |
813 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
814 | unsigned long timestamp = jiffies_to_msecs(jiffies); | |
815 | ||
816 | common->ani.longcal_timer = timestamp; | |
817 | common->ani.shortcal_timer = timestamp; | |
818 | common->ani.checkani_timer = timestamp; | |
819 | ||
820 | ieee80211_queue_delayed_work(common->hw, &priv->ath9k_ani_work, | |
821 | msecs_to_jiffies(ATH_ANI_POLLINTERVAL)); | |
822 | } | |
823 | ||
824 | void ath9k_ani_work(struct work_struct *work) | |
825 | { | |
826 | struct ath9k_htc_priv *priv = | |
827 | container_of(work, struct ath9k_htc_priv, | |
828 | ath9k_ani_work.work); | |
829 | struct ath_hw *ah = priv->ah; | |
830 | struct ath_common *common = ath9k_hw_common(ah); | |
831 | bool longcal = false; | |
832 | bool shortcal = false; | |
833 | bool aniflag = false; | |
834 | unsigned int timestamp = jiffies_to_msecs(jiffies); | |
835 | u32 cal_interval, short_cal_interval; | |
836 | ||
837 | short_cal_interval = ATH_STA_SHORT_CALINTERVAL; | |
838 | ||
bde748a4 VN |
839 | /* Only calibrate if awake */ |
840 | if (ah->power_mode != ATH9K_PM_AWAKE) | |
841 | goto set_timer; | |
842 | ||
fb9987d0 S |
843 | /* Long calibration runs independently of short calibration. */ |
844 | if ((timestamp - common->ani.longcal_timer) >= ATH_LONG_CALINTERVAL) { | |
845 | longcal = true; | |
226afe68 | 846 | ath_dbg(common, ATH_DBG_ANI, "longcal @%lu\n", jiffies); |
fb9987d0 S |
847 | common->ani.longcal_timer = timestamp; |
848 | } | |
849 | ||
850 | /* Short calibration applies only while caldone is false */ | |
851 | if (!common->ani.caldone) { | |
852 | if ((timestamp - common->ani.shortcal_timer) >= | |
853 | short_cal_interval) { | |
854 | shortcal = true; | |
226afe68 JP |
855 | ath_dbg(common, ATH_DBG_ANI, |
856 | "shortcal @%lu\n", jiffies); | |
fb9987d0 S |
857 | common->ani.shortcal_timer = timestamp; |
858 | common->ani.resetcal_timer = timestamp; | |
859 | } | |
860 | } else { | |
861 | if ((timestamp - common->ani.resetcal_timer) >= | |
862 | ATH_RESTART_CALINTERVAL) { | |
863 | common->ani.caldone = ath9k_hw_reset_calvalid(ah); | |
864 | if (common->ani.caldone) | |
865 | common->ani.resetcal_timer = timestamp; | |
866 | } | |
867 | } | |
868 | ||
869 | /* Verify whether we must check ANI */ | |
870 | if ((timestamp - common->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) { | |
871 | aniflag = true; | |
872 | common->ani.checkani_timer = timestamp; | |
873 | } | |
874 | ||
875 | /* Skip all processing if there's nothing to do. */ | |
876 | if (longcal || shortcal || aniflag) { | |
bde748a4 VN |
877 | |
878 | ath9k_htc_ps_wakeup(priv); | |
879 | ||
fb9987d0 S |
880 | /* Call ANI routine if necessary */ |
881 | if (aniflag) | |
882 | ath9k_hw_ani_monitor(ah, ah->curchan); | |
883 | ||
884 | /* Perform calibration if necessary */ | |
35ecfe03 | 885 | if (longcal || shortcal) |
fb9987d0 S |
886 | common->ani.caldone = |
887 | ath9k_hw_calibrate(ah, ah->curchan, | |
888 | common->rx_chainmask, | |
889 | longcal); | |
890 | ||
bde748a4 | 891 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
892 | } |
893 | ||
bde748a4 | 894 | set_timer: |
fb9987d0 S |
895 | /* |
896 | * Set timer interval based on previous results. | |
897 | * The interval must be the shortest necessary to satisfy ANI, | |
898 | * short calibration and long calibration. | |
899 | */ | |
900 | cal_interval = ATH_LONG_CALINTERVAL; | |
901 | if (priv->ah->config.enable_ani) | |
902 | cal_interval = min(cal_interval, (u32)ATH_ANI_POLLINTERVAL); | |
903 | if (!common->ani.caldone) | |
904 | cal_interval = min(cal_interval, (u32)short_cal_interval); | |
905 | ||
906 | ieee80211_queue_delayed_work(common->hw, &priv->ath9k_ani_work, | |
907 | msecs_to_jiffies(cal_interval)); | |
908 | } | |
909 | ||
fb9987d0 S |
910 | /**********************/ |
911 | /* mac80211 Callbacks */ | |
912 | /**********************/ | |
913 | ||
914 | static int ath9k_htc_tx(struct ieee80211_hw *hw, struct sk_buff *skb) | |
915 | { | |
916 | struct ieee80211_hdr *hdr; | |
917 | struct ath9k_htc_priv *priv = hw->priv; | |
7757dfed | 918 | int padpos, padsize, ret; |
fb9987d0 S |
919 | |
920 | hdr = (struct ieee80211_hdr *) skb->data; | |
921 | ||
922 | /* Add the padding after the header if this is not already done */ | |
923 | padpos = ath9k_cmn_padpos(hdr->frame_control); | |
924 | padsize = padpos & 3; | |
925 | if (padsize && skb->len > padpos) { | |
926 | if (skb_headroom(skb) < padsize) | |
927 | return -1; | |
928 | skb_push(skb, padsize); | |
929 | memmove(skb->data, skb->data + padsize, padpos); | |
930 | } | |
931 | ||
7757dfed S |
932 | ret = ath9k_htc_tx_start(priv, skb); |
933 | if (ret != 0) { | |
934 | if (ret == -ENOMEM) { | |
226afe68 JP |
935 | ath_dbg(ath9k_hw_common(priv->ah), ATH_DBG_XMIT, |
936 | "Stopping TX queues\n"); | |
7757dfed S |
937 | ieee80211_stop_queues(hw); |
938 | spin_lock_bh(&priv->tx_lock); | |
939 | priv->tx_queues_stop = true; | |
940 | spin_unlock_bh(&priv->tx_lock); | |
941 | } else { | |
226afe68 JP |
942 | ath_dbg(ath9k_hw_common(priv->ah), ATH_DBG_XMIT, |
943 | "Tx failed\n"); | |
7757dfed | 944 | } |
fb9987d0 S |
945 | goto fail_tx; |
946 | } | |
947 | ||
948 | return 0; | |
949 | ||
950 | fail_tx: | |
951 | dev_kfree_skb_any(skb); | |
952 | return 0; | |
953 | } | |
954 | ||
881ac6a5 | 955 | static int ath9k_htc_start(struct ieee80211_hw *hw) |
fb9987d0 S |
956 | { |
957 | struct ath9k_htc_priv *priv = hw->priv; | |
958 | struct ath_hw *ah = priv->ah; | |
959 | struct ath_common *common = ath9k_hw_common(ah); | |
960 | struct ieee80211_channel *curchan = hw->conf.channel; | |
961 | struct ath9k_channel *init_channel; | |
962 | int ret = 0; | |
963 | enum htc_phymode mode; | |
7f1f5a00 | 964 | __be16 htc_mode; |
fb9987d0 S |
965 | u8 cmd_rsp; |
966 | ||
881ac6a5 S |
967 | mutex_lock(&priv->mutex); |
968 | ||
226afe68 JP |
969 | ath_dbg(common, ATH_DBG_CONFIG, |
970 | "Starting driver with initial channel: %d MHz\n", | |
971 | curchan->center_freq); | |
fb9987d0 | 972 | |
21d5130b S |
973 | /* Ensure that HW is awake before flushing RX */ |
974 | ath9k_htc_setpower(priv, ATH9K_PM_AWAKE); | |
975 | WMI_CMD(WMI_FLUSH_RECV_CMDID); | |
976 | ||
fb9987d0 S |
977 | /* setup initial channel */ |
978 | init_channel = ath9k_cmn_get_curchannel(hw, ah); | |
979 | ||
fb9987d0 | 980 | ath9k_hw_htc_resetinit(ah); |
20bd2a09 | 981 | ret = ath9k_hw_reset(ah, init_channel, ah->caldata, false); |
fb9987d0 | 982 | if (ret) { |
3800276a JP |
983 | ath_err(common, |
984 | "Unable to reset hardware; reset status %d (freq %u MHz)\n", | |
985 | ret, curchan->center_freq); | |
881ac6a5 | 986 | mutex_unlock(&priv->mutex); |
8a8572a8 | 987 | return ret; |
fb9987d0 S |
988 | } |
989 | ||
990 | ath_update_txpow(priv); | |
991 | ||
992 | mode = ath9k_htc_get_curmode(priv, init_channel); | |
993 | htc_mode = cpu_to_be16(mode); | |
994 | WMI_CMD_BUF(WMI_SET_MODE_CMDID, &htc_mode); | |
fb9987d0 | 995 | WMI_CMD(WMI_ATH_INIT_CMDID); |
fb9987d0 | 996 | WMI_CMD(WMI_START_RECV_CMDID); |
fb9987d0 S |
997 | |
998 | ath9k_host_rx_init(priv); | |
999 | ||
1000 | priv->op_flags &= ~OP_INVALID; | |
1001 | htc_start(priv->htc); | |
1002 | ||
7757dfed S |
1003 | spin_lock_bh(&priv->tx_lock); |
1004 | priv->tx_queues_stop = false; | |
1005 | spin_unlock_bh(&priv->tx_lock); | |
1006 | ||
1007 | ieee80211_wake_queues(hw); | |
1008 | ||
21cb9879 VN |
1009 | if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) { |
1010 | ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT, | |
1011 | AR_STOMP_LOW_WLAN_WGHT); | |
1012 | ath9k_hw_btcoex_enable(ah); | |
1013 | ath_htc_resume_btcoex_work(priv); | |
1014 | } | |
fb9987d0 | 1015 | mutex_unlock(&priv->mutex); |
8a8572a8 | 1016 | |
fb9987d0 S |
1017 | return ret; |
1018 | } | |
1019 | ||
881ac6a5 | 1020 | static void ath9k_htc_stop(struct ieee80211_hw *hw) |
fb9987d0 S |
1021 | { |
1022 | struct ath9k_htc_priv *priv = hw->priv; | |
1023 | struct ath_hw *ah = priv->ah; | |
1024 | struct ath_common *common = ath9k_hw_common(ah); | |
1025 | int ret = 0; | |
1026 | u8 cmd_rsp; | |
1027 | ||
881ac6a5 S |
1028 | mutex_lock(&priv->mutex); |
1029 | ||
fb9987d0 | 1030 | if (priv->op_flags & OP_INVALID) { |
226afe68 | 1031 | ath_dbg(common, ATH_DBG_ANY, "Device not present\n"); |
881ac6a5 | 1032 | mutex_unlock(&priv->mutex); |
fb9987d0 S |
1033 | return; |
1034 | } | |
1035 | ||
bde748a4 | 1036 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
1037 | htc_stop(priv->htc); |
1038 | WMI_CMD(WMI_DISABLE_INTR_CMDID); | |
1039 | WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID); | |
1040 | WMI_CMD(WMI_STOP_RECV_CMDID); | |
ea888357 SG |
1041 | |
1042 | tasklet_kill(&priv->swba_tasklet); | |
1043 | tasklet_kill(&priv->rx_tasklet); | |
1044 | tasklet_kill(&priv->tx_tasklet); | |
1045 | ||
fb9987d0 S |
1046 | skb_queue_purge(&priv->tx_queue); |
1047 | ||
ea888357 SG |
1048 | mutex_unlock(&priv->mutex); |
1049 | ||
1050 | /* Cancel all the running timers/work .. */ | |
1051 | cancel_work_sync(&priv->fatal_work); | |
1052 | cancel_work_sync(&priv->ps_work); | |
1053 | cancel_delayed_work_sync(&priv->ath9k_led_blink_work); | |
1054 | ath9k_led_stop_brightness(priv); | |
1055 | ||
1056 | mutex_lock(&priv->mutex); | |
1057 | ||
81fc2a33 RM |
1058 | /* Remove monitor interface here */ |
1059 | if (ah->opmode == NL80211_IFTYPE_MONITOR) { | |
1060 | if (ath9k_htc_remove_monitor_interface(priv)) | |
3800276a | 1061 | ath_err(common, "Unable to remove monitor interface\n"); |
81fc2a33 | 1062 | else |
226afe68 JP |
1063 | ath_dbg(common, ATH_DBG_CONFIG, |
1064 | "Monitor interface removed\n"); | |
81fc2a33 RM |
1065 | } |
1066 | ||
21cb9879 VN |
1067 | if (ah->btcoex_hw.enabled) { |
1068 | ath9k_hw_btcoex_disable(ah); | |
1069 | if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) | |
1070 | ath_htc_cancel_btcoex_work(priv); | |
1071 | } | |
1072 | ||
e9201f09 S |
1073 | ath9k_hw_phy_disable(ah); |
1074 | ath9k_hw_disable(ah); | |
e9201f09 S |
1075 | ath9k_htc_ps_restore(priv); |
1076 | ath9k_htc_setpower(priv, ATH9K_PM_FULL_SLEEP); | |
1077 | ||
fb9987d0 | 1078 | priv->op_flags |= OP_INVALID; |
fb9987d0 | 1079 | |
226afe68 | 1080 | ath_dbg(common, ATH_DBG_CONFIG, "Driver halt\n"); |
8a8572a8 VN |
1081 | mutex_unlock(&priv->mutex); |
1082 | } | |
1083 | ||
fb9987d0 S |
1084 | static int ath9k_htc_add_interface(struct ieee80211_hw *hw, |
1085 | struct ieee80211_vif *vif) | |
1086 | { | |
1087 | struct ath9k_htc_priv *priv = hw->priv; | |
1088 | struct ath9k_htc_vif *avp = (void *)vif->drv_priv; | |
1089 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
1090 | struct ath9k_htc_target_vif hvif; | |
1091 | int ret = 0; | |
1092 | u8 cmd_rsp; | |
1093 | ||
1094 | mutex_lock(&priv->mutex); | |
1095 | ||
1096 | /* Only one interface for now */ | |
1097 | if (priv->nvifs > 0) { | |
1098 | ret = -ENOBUFS; | |
1099 | goto out; | |
1100 | } | |
1101 | ||
bde748a4 | 1102 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
1103 | memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif)); |
1104 | memcpy(&hvif.myaddr, vif->addr, ETH_ALEN); | |
1105 | ||
1106 | switch (vif->type) { | |
1107 | case NL80211_IFTYPE_STATION: | |
1108 | hvif.opmode = cpu_to_be32(HTC_M_STA); | |
1109 | break; | |
1110 | case NL80211_IFTYPE_ADHOC: | |
1111 | hvif.opmode = cpu_to_be32(HTC_M_IBSS); | |
1112 | break; | |
1113 | default: | |
3800276a | 1114 | ath_err(common, |
fb9987d0 S |
1115 | "Interface type %d not yet supported\n", vif->type); |
1116 | ret = -EOPNOTSUPP; | |
1117 | goto out; | |
1118 | } | |
1119 | ||
226afe68 JP |
1120 | ath_dbg(common, ATH_DBG_CONFIG, |
1121 | "Attach a VIF of type: %d\n", vif->type); | |
fb9987d0 S |
1122 | |
1123 | priv->ah->opmode = vif->type; | |
1124 | ||
1125 | /* Index starts from zero on the target */ | |
1126 | avp->index = hvif.index = priv->nvifs; | |
1127 | hvif.rtsthreshold = cpu_to_be16(2304); | |
1128 | WMI_CMD_BUF(WMI_VAP_CREATE_CMDID, &hvif); | |
1129 | if (ret) | |
1130 | goto out; | |
1131 | ||
1132 | priv->nvifs++; | |
1133 | ||
1134 | /* | |
1135 | * We need a node in target to tx mgmt frames | |
1136 | * before association. | |
1137 | */ | |
1138 | ret = ath9k_htc_add_station(priv, vif, NULL); | |
1139 | if (ret) | |
1140 | goto out; | |
1141 | ||
1142 | ret = ath9k_htc_update_cap_target(priv); | |
1143 | if (ret) | |
226afe68 JP |
1144 | ath_dbg(common, ATH_DBG_CONFIG, |
1145 | "Failed to update capability in target\n"); | |
fb9987d0 S |
1146 | |
1147 | priv->vif = vif; | |
1148 | out: | |
bde748a4 | 1149 | ath9k_htc_ps_restore(priv); |
fb9987d0 | 1150 | mutex_unlock(&priv->mutex); |
cb551df2 | 1151 | |
fb9987d0 S |
1152 | return ret; |
1153 | } | |
1154 | ||
1155 | static void ath9k_htc_remove_interface(struct ieee80211_hw *hw, | |
1156 | struct ieee80211_vif *vif) | |
1157 | { | |
1158 | struct ath9k_htc_priv *priv = hw->priv; | |
1159 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
1160 | struct ath9k_htc_vif *avp = (void *)vif->drv_priv; | |
1161 | struct ath9k_htc_target_vif hvif; | |
1162 | int ret = 0; | |
1163 | u8 cmd_rsp; | |
1164 | ||
226afe68 | 1165 | ath_dbg(common, ATH_DBG_CONFIG, "Detach Interface\n"); |
fb9987d0 S |
1166 | |
1167 | mutex_lock(&priv->mutex); | |
cb551df2 | 1168 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
1169 | |
1170 | memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif)); | |
1171 | memcpy(&hvif.myaddr, vif->addr, ETH_ALEN); | |
1172 | hvif.index = avp->index; | |
1173 | WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif); | |
1174 | priv->nvifs--; | |
1175 | ||
1176 | ath9k_htc_remove_station(priv, vif, NULL); | |
fb9987d0 S |
1177 | priv->vif = NULL; |
1178 | ||
cb551df2 | 1179 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1180 | mutex_unlock(&priv->mutex); |
1181 | } | |
1182 | ||
1183 | static int ath9k_htc_config(struct ieee80211_hw *hw, u32 changed) | |
1184 | { | |
1185 | struct ath9k_htc_priv *priv = hw->priv; | |
1186 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
1187 | struct ieee80211_conf *conf = &hw->conf; | |
1188 | ||
1189 | mutex_lock(&priv->mutex); | |
1190 | ||
8a8572a8 VN |
1191 | if (changed & IEEE80211_CONF_CHANGE_IDLE) { |
1192 | bool enable_radio = false; | |
1193 | bool idle = !!(conf->flags & IEEE80211_CONF_IDLE); | |
1194 | ||
23367769 | 1195 | mutex_lock(&priv->htc_pm_lock); |
8a8572a8 VN |
1196 | if (!idle && priv->ps_idle) |
1197 | enable_radio = true; | |
8a8572a8 | 1198 | priv->ps_idle = idle; |
23367769 | 1199 | mutex_unlock(&priv->htc_pm_lock); |
8a8572a8 VN |
1200 | |
1201 | if (enable_radio) { | |
226afe68 JP |
1202 | ath_dbg(common, ATH_DBG_CONFIG, |
1203 | "not-idle: enabling radio\n"); | |
23367769 S |
1204 | ath9k_htc_setpower(priv, ATH9K_PM_AWAKE); |
1205 | ath9k_htc_radio_enable(hw); | |
8a8572a8 VN |
1206 | } |
1207 | } | |
1208 | ||
55de80d6 SM |
1209 | /* |
1210 | * Monitor interface should be added before | |
1211 | * IEEE80211_CONF_CHANGE_CHANNEL is handled. | |
1212 | */ | |
1213 | if (changed & IEEE80211_CONF_CHANGE_MONITOR) { | |
1214 | if (conf->flags & IEEE80211_CONF_MONITOR) { | |
1215 | if (ath9k_htc_add_monitor_interface(priv)) | |
1216 | ath_err(common, "Failed to set monitor mode\n"); | |
1217 | else | |
1218 | ath_dbg(common, ATH_DBG_CONFIG, | |
1219 | "HW opmode set to Monitor mode\n"); | |
1220 | } | |
1221 | } | |
1222 | ||
fb9987d0 S |
1223 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { |
1224 | struct ieee80211_channel *curchan = hw->conf.channel; | |
1225 | int pos = curchan->hw_value; | |
fb9987d0 | 1226 | |
226afe68 JP |
1227 | ath_dbg(common, ATH_DBG_CONFIG, "Set channel: %d MHz\n", |
1228 | curchan->center_freq); | |
fb9987d0 | 1229 | |
babcbc29 FF |
1230 | ath9k_cmn_update_ichannel(&priv->ah->channels[pos], |
1231 | hw->conf.channel, | |
1232 | hw->conf.channel_type); | |
fb9987d0 S |
1233 | |
1234 | if (ath9k_htc_set_channel(priv, hw, &priv->ah->channels[pos]) < 0) { | |
3800276a | 1235 | ath_err(common, "Unable to set channel\n"); |
fb9987d0 S |
1236 | mutex_unlock(&priv->mutex); |
1237 | return -EINVAL; | |
1238 | } | |
1239 | ||
1240 | } | |
692d6b17 | 1241 | |
bde748a4 VN |
1242 | if (changed & IEEE80211_CONF_CHANGE_PS) { |
1243 | if (conf->flags & IEEE80211_CONF_PS) { | |
1244 | ath9k_htc_setpower(priv, ATH9K_PM_NETWORK_SLEEP); | |
1245 | priv->ps_enabled = true; | |
1246 | } else { | |
1247 | priv->ps_enabled = false; | |
1248 | cancel_work_sync(&priv->ps_work); | |
1249 | ath9k_htc_setpower(priv, ATH9K_PM_AWAKE); | |
1250 | } | |
1251 | } | |
fb9987d0 | 1252 | |
692d6b17 SM |
1253 | if (changed & IEEE80211_CONF_CHANGE_POWER) { |
1254 | priv->txpowlimit = 2 * conf->power_level; | |
1255 | ath_update_txpow(priv); | |
1256 | } | |
1257 | ||
23367769 S |
1258 | if (changed & IEEE80211_CONF_CHANGE_IDLE) { |
1259 | mutex_lock(&priv->htc_pm_lock); | |
1260 | if (!priv->ps_idle) { | |
1261 | mutex_unlock(&priv->htc_pm_lock); | |
1262 | goto out; | |
1263 | } | |
1264 | mutex_unlock(&priv->htc_pm_lock); | |
1265 | ||
226afe68 JP |
1266 | ath_dbg(common, ATH_DBG_CONFIG, |
1267 | "idle: disabling radio\n"); | |
881ac6a5 | 1268 | ath9k_htc_radio_disable(hw); |
8a8572a8 VN |
1269 | } |
1270 | ||
23367769 | 1271 | out: |
fb9987d0 | 1272 | mutex_unlock(&priv->mutex); |
fb9987d0 S |
1273 | return 0; |
1274 | } | |
1275 | ||
1276 | #define SUPPORTED_FILTERS \ | |
1277 | (FIF_PROMISC_IN_BSS | \ | |
1278 | FIF_ALLMULTI | \ | |
1279 | FIF_CONTROL | \ | |
1280 | FIF_PSPOLL | \ | |
1281 | FIF_OTHER_BSS | \ | |
1282 | FIF_BCN_PRBRESP_PROMISC | \ | |
94a40c0c | 1283 | FIF_PROBE_REQ | \ |
fb9987d0 S |
1284 | FIF_FCSFAIL) |
1285 | ||
1286 | static void ath9k_htc_configure_filter(struct ieee80211_hw *hw, | |
1287 | unsigned int changed_flags, | |
1288 | unsigned int *total_flags, | |
1289 | u64 multicast) | |
1290 | { | |
1291 | struct ath9k_htc_priv *priv = hw->priv; | |
1292 | u32 rfilt; | |
1293 | ||
1294 | mutex_lock(&priv->mutex); | |
bde748a4 | 1295 | ath9k_htc_ps_wakeup(priv); |
cb551df2 | 1296 | |
fb9987d0 S |
1297 | changed_flags &= SUPPORTED_FILTERS; |
1298 | *total_flags &= SUPPORTED_FILTERS; | |
1299 | ||
1300 | priv->rxfilter = *total_flags; | |
0995d110 | 1301 | rfilt = ath9k_htc_calcrxfilter(priv); |
fb9987d0 S |
1302 | ath9k_hw_setrxfilter(priv->ah, rfilt); |
1303 | ||
226afe68 JP |
1304 | ath_dbg(ath9k_hw_common(priv->ah), ATH_DBG_CONFIG, |
1305 | "Set HW RX filter: 0x%x\n", rfilt); | |
fb9987d0 | 1306 | |
bde748a4 | 1307 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1308 | mutex_unlock(&priv->mutex); |
1309 | } | |
1310 | ||
abd984e6 S |
1311 | static int ath9k_htc_sta_add(struct ieee80211_hw *hw, |
1312 | struct ieee80211_vif *vif, | |
1313 | struct ieee80211_sta *sta) | |
fb9987d0 S |
1314 | { |
1315 | struct ath9k_htc_priv *priv = hw->priv; | |
1316 | int ret; | |
1317 | ||
05a30f9c | 1318 | mutex_lock(&priv->mutex); |
cb551df2 | 1319 | ath9k_htc_ps_wakeup(priv); |
abd984e6 S |
1320 | ret = ath9k_htc_add_station(priv, vif, sta); |
1321 | if (!ret) | |
1322 | ath9k_htc_init_rate(priv, sta); | |
1323 | ath9k_htc_ps_restore(priv); | |
1324 | mutex_unlock(&priv->mutex); | |
05a30f9c | 1325 | |
abd984e6 S |
1326 | return ret; |
1327 | } | |
1328 | ||
1329 | static int ath9k_htc_sta_remove(struct ieee80211_hw *hw, | |
1330 | struct ieee80211_vif *vif, | |
1331 | struct ieee80211_sta *sta) | |
1332 | { | |
1333 | struct ath9k_htc_priv *priv = hw->priv; | |
1334 | int ret; | |
05a30f9c | 1335 | |
abd984e6 S |
1336 | mutex_lock(&priv->mutex); |
1337 | ath9k_htc_ps_wakeup(priv); | |
1338 | ret = ath9k_htc_remove_station(priv, vif, sta); | |
cb551df2 | 1339 | ath9k_htc_ps_restore(priv); |
05a30f9c | 1340 | mutex_unlock(&priv->mutex); |
abd984e6 S |
1341 | |
1342 | return ret; | |
fb9987d0 S |
1343 | } |
1344 | ||
1345 | static int ath9k_htc_conf_tx(struct ieee80211_hw *hw, u16 queue, | |
1346 | const struct ieee80211_tx_queue_params *params) | |
1347 | { | |
1348 | struct ath9k_htc_priv *priv = hw->priv; | |
1349 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
1350 | struct ath9k_tx_queue_info qi; | |
1351 | int ret = 0, qnum; | |
1352 | ||
1353 | if (queue >= WME_NUM_AC) | |
1354 | return 0; | |
1355 | ||
1356 | mutex_lock(&priv->mutex); | |
cb551df2 | 1357 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
1358 | |
1359 | memset(&qi, 0, sizeof(struct ath9k_tx_queue_info)); | |
1360 | ||
1361 | qi.tqi_aifs = params->aifs; | |
1362 | qi.tqi_cwmin = params->cw_min; | |
1363 | qi.tqi_cwmax = params->cw_max; | |
1364 | qi.tqi_burstTime = params->txop; | |
1365 | ||
1366 | qnum = get_hw_qnum(queue, priv->hwq_map); | |
1367 | ||
226afe68 JP |
1368 | ath_dbg(common, ATH_DBG_CONFIG, |
1369 | "Configure tx [queue/hwq] [%d/%d], aifs: %d, cw_min: %d, cw_max: %d, txop: %d\n", | |
1370 | queue, qnum, params->aifs, params->cw_min, | |
1371 | params->cw_max, params->txop); | |
fb9987d0 | 1372 | |
e1572c5e | 1373 | ret = ath_htc_txq_update(priv, qnum, &qi); |
764580f5 | 1374 | if (ret) { |
3800276a | 1375 | ath_err(common, "TXQ Update failed\n"); |
764580f5 S |
1376 | goto out; |
1377 | } | |
fb9987d0 | 1378 | |
764580f5 | 1379 | if ((priv->ah->opmode == NL80211_IFTYPE_ADHOC) && |
e8c35a77 | 1380 | (qnum == priv->hwq_map[WME_AC_BE])) |
764580f5 S |
1381 | ath9k_htc_beaconq_config(priv); |
1382 | out: | |
cb551df2 | 1383 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1384 | mutex_unlock(&priv->mutex); |
1385 | ||
1386 | return ret; | |
1387 | } | |
1388 | ||
1389 | static int ath9k_htc_set_key(struct ieee80211_hw *hw, | |
1390 | enum set_key_cmd cmd, | |
1391 | struct ieee80211_vif *vif, | |
1392 | struct ieee80211_sta *sta, | |
1393 | struct ieee80211_key_conf *key) | |
1394 | { | |
1395 | struct ath9k_htc_priv *priv = hw->priv; | |
1396 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
1397 | int ret = 0; | |
1398 | ||
e1572c5e | 1399 | if (htc_modparam_nohwcrypt) |
fb9987d0 S |
1400 | return -ENOSPC; |
1401 | ||
1402 | mutex_lock(&priv->mutex); | |
226afe68 | 1403 | ath_dbg(common, ATH_DBG_CONFIG, "Set HW Key\n"); |
bde748a4 | 1404 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
1405 | |
1406 | switch (cmd) { | |
1407 | case SET_KEY: | |
040e539e | 1408 | ret = ath_key_config(common, vif, sta, key); |
fb9987d0 S |
1409 | if (ret >= 0) { |
1410 | key->hw_key_idx = ret; | |
1411 | /* push IV and Michael MIC generation to stack */ | |
1412 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; | |
97359d12 | 1413 | if (key->cipher == WLAN_CIPHER_SUITE_TKIP) |
fb9987d0 | 1414 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; |
97359d12 JB |
1415 | if (priv->ah->sw_mgmt_crypto && |
1416 | key->cipher == WLAN_CIPHER_SUITE_CCMP) | |
fb9987d0 S |
1417 | key->flags |= IEEE80211_KEY_FLAG_SW_MGMT; |
1418 | ret = 0; | |
1419 | } | |
1420 | break; | |
1421 | case DISABLE_KEY: | |
040e539e | 1422 | ath_key_delete(common, key); |
fb9987d0 S |
1423 | break; |
1424 | default: | |
1425 | ret = -EINVAL; | |
1426 | } | |
1427 | ||
bde748a4 | 1428 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1429 | mutex_unlock(&priv->mutex); |
1430 | ||
1431 | return ret; | |
1432 | } | |
1433 | ||
1434 | static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw, | |
1435 | struct ieee80211_vif *vif, | |
1436 | struct ieee80211_bss_conf *bss_conf, | |
1437 | u32 changed) | |
1438 | { | |
1439 | struct ath9k_htc_priv *priv = hw->priv; | |
1440 | struct ath_hw *ah = priv->ah; | |
1441 | struct ath_common *common = ath9k_hw_common(ah); | |
1442 | ||
1443 | mutex_lock(&priv->mutex); | |
bde748a4 | 1444 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
1445 | |
1446 | if (changed & BSS_CHANGED_ASSOC) { | |
1447 | common->curaid = bss_conf->assoc ? | |
1448 | bss_conf->aid : 0; | |
226afe68 | 1449 | ath_dbg(common, ATH_DBG_CONFIG, "BSS Changed ASSOC %d\n", |
fb9987d0 S |
1450 | bss_conf->assoc); |
1451 | ||
1452 | if (bss_conf->assoc) { | |
1453 | priv->op_flags |= OP_ASSOCIATED; | |
1454 | ath_start_ani(priv); | |
1455 | } else { | |
1456 | priv->op_flags &= ~OP_ASSOCIATED; | |
1457 | cancel_delayed_work_sync(&priv->ath9k_ani_work); | |
1458 | } | |
1459 | } | |
1460 | ||
1461 | if (changed & BSS_CHANGED_BSSID) { | |
1462 | /* Set BSSID */ | |
1463 | memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN); | |
1464 | ath9k_hw_write_associd(ah); | |
1465 | ||
226afe68 JP |
1466 | ath_dbg(common, ATH_DBG_CONFIG, |
1467 | "BSSID: %pM aid: 0x%x\n", | |
1468 | common->curbssid, common->curaid); | |
fb9987d0 S |
1469 | } |
1470 | ||
1471 | if ((changed & BSS_CHANGED_BEACON_INT) || | |
1472 | (changed & BSS_CHANGED_BEACON) || | |
1473 | ((changed & BSS_CHANGED_BEACON_ENABLED) && | |
1474 | bss_conf->enable_beacon)) { | |
1475 | priv->op_flags |= OP_ENABLE_BEACON; | |
1c3652a5 | 1476 | ath9k_htc_beacon_config(priv, vif); |
fb9987d0 S |
1477 | } |
1478 | ||
fb9987d0 S |
1479 | if ((changed & BSS_CHANGED_BEACON_ENABLED) && |
1480 | !bss_conf->enable_beacon) { | |
1481 | priv->op_flags &= ~OP_ENABLE_BEACON; | |
1c3652a5 | 1482 | ath9k_htc_beacon_config(priv, vif); |
fb9987d0 S |
1483 | } |
1484 | ||
1485 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
226afe68 JP |
1486 | ath_dbg(common, ATH_DBG_CONFIG, "BSS Changed PREAMBLE %d\n", |
1487 | bss_conf->use_short_preamble); | |
fb9987d0 S |
1488 | if (bss_conf->use_short_preamble) |
1489 | priv->op_flags |= OP_PREAMBLE_SHORT; | |
1490 | else | |
1491 | priv->op_flags &= ~OP_PREAMBLE_SHORT; | |
1492 | } | |
1493 | ||
1494 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
226afe68 JP |
1495 | ath_dbg(common, ATH_DBG_CONFIG, "BSS Changed CTS PROT %d\n", |
1496 | bss_conf->use_cts_prot); | |
fb9987d0 S |
1497 | if (bss_conf->use_cts_prot && |
1498 | hw->conf.channel->band != IEEE80211_BAND_5GHZ) | |
1499 | priv->op_flags |= OP_PROTECT_ENABLE; | |
1500 | else | |
1501 | priv->op_flags &= ~OP_PROTECT_ENABLE; | |
1502 | } | |
1503 | ||
1504 | if (changed & BSS_CHANGED_ERP_SLOT) { | |
1505 | if (bss_conf->use_short_slot) | |
1506 | ah->slottime = 9; | |
1507 | else | |
1508 | ah->slottime = 20; | |
1509 | ||
1510 | ath9k_hw_init_global_settings(ah); | |
1511 | } | |
1512 | ||
2c76ef89 S |
1513 | if (changed & BSS_CHANGED_HT) |
1514 | ath9k_htc_update_rate(priv, vif, bss_conf); | |
1515 | ||
bde748a4 | 1516 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1517 | mutex_unlock(&priv->mutex); |
1518 | } | |
1519 | ||
1520 | static u64 ath9k_htc_get_tsf(struct ieee80211_hw *hw) | |
1521 | { | |
1522 | struct ath9k_htc_priv *priv = hw->priv; | |
1523 | u64 tsf; | |
1524 | ||
1525 | mutex_lock(&priv->mutex); | |
cb551df2 | 1526 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 | 1527 | tsf = ath9k_hw_gettsf64(priv->ah); |
cb551df2 | 1528 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1529 | mutex_unlock(&priv->mutex); |
1530 | ||
1531 | return tsf; | |
1532 | } | |
1533 | ||
1534 | static void ath9k_htc_set_tsf(struct ieee80211_hw *hw, u64 tsf) | |
1535 | { | |
1536 | struct ath9k_htc_priv *priv = hw->priv; | |
1537 | ||
1538 | mutex_lock(&priv->mutex); | |
cb551df2 | 1539 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 | 1540 | ath9k_hw_settsf64(priv->ah, tsf); |
cb551df2 | 1541 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1542 | mutex_unlock(&priv->mutex); |
1543 | } | |
1544 | ||
1545 | static void ath9k_htc_reset_tsf(struct ieee80211_hw *hw) | |
1546 | { | |
1547 | struct ath9k_htc_priv *priv = hw->priv; | |
1548 | ||
1549 | mutex_lock(&priv->mutex); | |
cb551df2 | 1550 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 | 1551 | ath9k_hw_reset_tsf(priv->ah); |
bde748a4 | 1552 | ath9k_htc_ps_restore(priv); |
cb551df2 | 1553 | mutex_unlock(&priv->mutex); |
fb9987d0 S |
1554 | } |
1555 | ||
1556 | static int ath9k_htc_ampdu_action(struct ieee80211_hw *hw, | |
1557 | struct ieee80211_vif *vif, | |
1558 | enum ieee80211_ampdu_mlme_action action, | |
1559 | struct ieee80211_sta *sta, | |
1560 | u16 tid, u16 *ssn) | |
1561 | { | |
1562 | struct ath9k_htc_priv *priv = hw->priv; | |
fb9987d0 | 1563 | struct ath9k_htc_sta *ista; |
d7ca2139 | 1564 | int ret = 0; |
fb9987d0 S |
1565 | |
1566 | switch (action) { | |
1567 | case IEEE80211_AMPDU_RX_START: | |
1568 | break; | |
1569 | case IEEE80211_AMPDU_RX_STOP: | |
1570 | break; | |
1571 | case IEEE80211_AMPDU_TX_START: | |
d7ca2139 S |
1572 | ret = ath9k_htc_tx_aggr_oper(priv, vif, sta, action, tid); |
1573 | if (!ret) | |
1574 | ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
1575 | break; | |
fb9987d0 | 1576 | case IEEE80211_AMPDU_TX_STOP: |
d7ca2139 S |
1577 | ath9k_htc_tx_aggr_oper(priv, vif, sta, action, tid); |
1578 | ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
fb9987d0 S |
1579 | break; |
1580 | case IEEE80211_AMPDU_TX_OPERATIONAL: | |
1581 | ista = (struct ath9k_htc_sta *) sta->drv_priv; | |
d7ca2139 | 1582 | spin_lock_bh(&priv->tx_lock); |
fb9987d0 | 1583 | ista->tid_state[tid] = AGGR_OPERATIONAL; |
d7ca2139 | 1584 | spin_unlock_bh(&priv->tx_lock); |
fb9987d0 S |
1585 | break; |
1586 | default: | |
3800276a | 1587 | ath_err(ath9k_hw_common(priv->ah), "Unknown AMPDU action\n"); |
fb9987d0 S |
1588 | } |
1589 | ||
d7ca2139 | 1590 | return ret; |
fb9987d0 S |
1591 | } |
1592 | ||
1593 | static void ath9k_htc_sw_scan_start(struct ieee80211_hw *hw) | |
1594 | { | |
1595 | struct ath9k_htc_priv *priv = hw->priv; | |
1596 | ||
1597 | mutex_lock(&priv->mutex); | |
1598 | spin_lock_bh(&priv->beacon_lock); | |
1599 | priv->op_flags |= OP_SCANNING; | |
1600 | spin_unlock_bh(&priv->beacon_lock); | |
bde748a4 | 1601 | cancel_work_sync(&priv->ps_work); |
fe67470d RM |
1602 | if (priv->op_flags & OP_ASSOCIATED) |
1603 | cancel_delayed_work_sync(&priv->ath9k_ani_work); | |
fb9987d0 S |
1604 | mutex_unlock(&priv->mutex); |
1605 | } | |
1606 | ||
1607 | static void ath9k_htc_sw_scan_complete(struct ieee80211_hw *hw) | |
1608 | { | |
1609 | struct ath9k_htc_priv *priv = hw->priv; | |
1610 | ||
1611 | mutex_lock(&priv->mutex); | |
cb551df2 | 1612 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
1613 | spin_lock_bh(&priv->beacon_lock); |
1614 | priv->op_flags &= ~OP_SCANNING; | |
1615 | spin_unlock_bh(&priv->beacon_lock); | |
fe67470d | 1616 | if (priv->op_flags & OP_ASSOCIATED) { |
fcb9392f | 1617 | ath9k_htc_beacon_config(priv, priv->vif); |
fe67470d RM |
1618 | ath_start_ani(priv); |
1619 | } | |
bde748a4 | 1620 | ath9k_htc_ps_restore(priv); |
cb551df2 | 1621 | mutex_unlock(&priv->mutex); |
fb9987d0 S |
1622 | } |
1623 | ||
1624 | static int ath9k_htc_set_rts_threshold(struct ieee80211_hw *hw, u32 value) | |
1625 | { | |
1626 | return 0; | |
1627 | } | |
1628 | ||
1629 | static void ath9k_htc_set_coverage_class(struct ieee80211_hw *hw, | |
1630 | u8 coverage_class) | |
1631 | { | |
1632 | struct ath9k_htc_priv *priv = hw->priv; | |
1633 | ||
1634 | mutex_lock(&priv->mutex); | |
cb551df2 | 1635 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
1636 | priv->ah->coverage_class = coverage_class; |
1637 | ath9k_hw_init_global_settings(priv->ah); | |
cb551df2 | 1638 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1639 | mutex_unlock(&priv->mutex); |
1640 | } | |
1641 | ||
1642 | struct ieee80211_ops ath9k_htc_ops = { | |
1643 | .tx = ath9k_htc_tx, | |
1644 | .start = ath9k_htc_start, | |
1645 | .stop = ath9k_htc_stop, | |
1646 | .add_interface = ath9k_htc_add_interface, | |
1647 | .remove_interface = ath9k_htc_remove_interface, | |
1648 | .config = ath9k_htc_config, | |
1649 | .configure_filter = ath9k_htc_configure_filter, | |
abd984e6 S |
1650 | .sta_add = ath9k_htc_sta_add, |
1651 | .sta_remove = ath9k_htc_sta_remove, | |
fb9987d0 S |
1652 | .conf_tx = ath9k_htc_conf_tx, |
1653 | .bss_info_changed = ath9k_htc_bss_info_changed, | |
1654 | .set_key = ath9k_htc_set_key, | |
1655 | .get_tsf = ath9k_htc_get_tsf, | |
1656 | .set_tsf = ath9k_htc_set_tsf, | |
1657 | .reset_tsf = ath9k_htc_reset_tsf, | |
1658 | .ampdu_action = ath9k_htc_ampdu_action, | |
1659 | .sw_scan_start = ath9k_htc_sw_scan_start, | |
1660 | .sw_scan_complete = ath9k_htc_sw_scan_complete, | |
1661 | .set_rts_threshold = ath9k_htc_set_rts_threshold, | |
1662 | .rfkill_poll = ath9k_htc_rfkill_poll_state, | |
1663 | .set_coverage_class = ath9k_htc_set_coverage_class, | |
1664 | }; |