Commit | Line | Data |
---|---|---|
fb9987d0 | 1 | /* |
5b68138e | 2 | * Copyright (c) 2010-2011 Atheros Communications Inc. |
fb9987d0 S |
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 | ||
fb9987d0 S |
19 | /*************/ |
20 | /* Utilities */ | |
21 | /*************/ | |
22 | ||
fb9987d0 S |
23 | /* HACK Alert: Use 11NG for 2.4, use 11NA for 5 */ |
24 | static enum htc_phymode ath9k_htc_get_curmode(struct ath9k_htc_priv *priv, | |
25 | struct ath9k_channel *ichan) | |
26 | { | |
27 | enum htc_phymode mode; | |
28 | ||
c75197a7 | 29 | mode = -EINVAL; |
fb9987d0 S |
30 | |
31 | switch (ichan->chanmode) { | |
32 | case CHANNEL_G: | |
33 | case CHANNEL_G_HT20: | |
34 | case CHANNEL_G_HT40PLUS: | |
35 | case CHANNEL_G_HT40MINUS: | |
36 | mode = HTC_MODE_11NG; | |
37 | break; | |
38 | case CHANNEL_A: | |
39 | case CHANNEL_A_HT20: | |
40 | case CHANNEL_A_HT40PLUS: | |
41 | case CHANNEL_A_HT40MINUS: | |
42 | mode = HTC_MODE_11NA; | |
43 | break; | |
44 | default: | |
45 | break; | |
46 | } | |
47 | ||
c75197a7 SM |
48 | WARN_ON(mode < 0); |
49 | ||
fb9987d0 S |
50 | return mode; |
51 | } | |
52 | ||
f933ebed SM |
53 | bool ath9k_htc_setpower(struct ath9k_htc_priv *priv, |
54 | enum ath9k_power_mode mode) | |
bde748a4 VN |
55 | { |
56 | bool ret; | |
57 | ||
58 | mutex_lock(&priv->htc_pm_lock); | |
59 | ret = ath9k_hw_setpower(priv->ah, mode); | |
60 | mutex_unlock(&priv->htc_pm_lock); | |
61 | ||
62 | return ret; | |
63 | } | |
64 | ||
65 | void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv) | |
66 | { | |
67 | mutex_lock(&priv->htc_pm_lock); | |
68 | if (++priv->ps_usecount != 1) | |
69 | goto unlock; | |
70 | ath9k_hw_setpower(priv->ah, ATH9K_PM_AWAKE); | |
71 | ||
72 | unlock: | |
73 | mutex_unlock(&priv->htc_pm_lock); | |
74 | } | |
75 | ||
76 | void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv) | |
77 | { | |
78 | mutex_lock(&priv->htc_pm_lock); | |
79 | if (--priv->ps_usecount != 0) | |
80 | goto unlock; | |
81 | ||
8a8572a8 VN |
82 | if (priv->ps_idle) |
83 | ath9k_hw_setpower(priv->ah, ATH9K_PM_FULL_SLEEP); | |
84 | else if (priv->ps_enabled) | |
bde748a4 | 85 | ath9k_hw_setpower(priv->ah, ATH9K_PM_NETWORK_SLEEP); |
8a8572a8 | 86 | |
bde748a4 VN |
87 | unlock: |
88 | mutex_unlock(&priv->htc_pm_lock); | |
89 | } | |
90 | ||
91 | void ath9k_ps_work(struct work_struct *work) | |
92 | { | |
93 | struct ath9k_htc_priv *priv = | |
94 | container_of(work, struct ath9k_htc_priv, | |
95 | ps_work); | |
96 | ath9k_htc_setpower(priv, ATH9K_PM_AWAKE); | |
97 | ||
98 | /* The chip wakes up after receiving the first beacon | |
99 | while network sleep is enabled. For the driver to | |
100 | be in sync with the hw, set the chip to awake and | |
101 | only then set it to sleep. | |
102 | */ | |
103 | ath9k_htc_setpower(priv, ATH9K_PM_NETWORK_SLEEP); | |
104 | } | |
105 | ||
7c277349 SM |
106 | static void ath9k_htc_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif) |
107 | { | |
108 | struct ath9k_htc_priv *priv = data; | |
109 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
110 | ||
a5fae37d SM |
111 | if ((vif->type == NL80211_IFTYPE_AP) && bss_conf->enable_beacon) |
112 | priv->reconfig_beacon = true; | |
113 | ||
7c277349 SM |
114 | if (bss_conf->assoc) { |
115 | priv->rearm_ani = true; | |
116 | priv->reconfig_beacon = true; | |
117 | } | |
118 | } | |
119 | ||
120 | static void ath9k_htc_vif_reconfig(struct ath9k_htc_priv *priv) | |
121 | { | |
122 | priv->rearm_ani = false; | |
123 | priv->reconfig_beacon = false; | |
124 | ||
125 | ieee80211_iterate_active_interfaces_atomic(priv->hw, | |
126 | ath9k_htc_vif_iter, priv); | |
127 | if (priv->rearm_ani) | |
a236254c | 128 | ath9k_htc_start_ani(priv); |
7c277349 SM |
129 | |
130 | if (priv->reconfig_beacon) { | |
131 | ath9k_htc_ps_wakeup(priv); | |
132 | ath9k_htc_beacon_reconfig(priv); | |
133 | ath9k_htc_ps_restore(priv); | |
134 | } | |
135 | } | |
136 | ||
585895cd SM |
137 | static void ath9k_htc_bssid_iter(void *data, u8 *mac, struct ieee80211_vif *vif) |
138 | { | |
139 | struct ath9k_vif_iter_data *iter_data = data; | |
140 | int i; | |
141 | ||
142 | for (i = 0; i < ETH_ALEN; i++) | |
143 | iter_data->mask[i] &= ~(iter_data->hw_macaddr[i] ^ mac[i]); | |
144 | } | |
145 | ||
146 | static void ath9k_htc_set_bssid_mask(struct ath9k_htc_priv *priv, | |
147 | struct ieee80211_vif *vif) | |
148 | { | |
149 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
150 | struct ath9k_vif_iter_data iter_data; | |
151 | ||
152 | /* | |
153 | * Use the hardware MAC address as reference, the hardware uses it | |
154 | * together with the BSSID mask when matching addresses. | |
155 | */ | |
156 | iter_data.hw_macaddr = common->macaddr; | |
157 | memset(&iter_data.mask, 0xff, ETH_ALEN); | |
158 | ||
159 | if (vif) | |
160 | ath9k_htc_bssid_iter(&iter_data, vif->addr, vif); | |
161 | ||
162 | /* Get list of all active MAC addresses */ | |
163 | ieee80211_iterate_active_interfaces_atomic(priv->hw, ath9k_htc_bssid_iter, | |
164 | &iter_data); | |
165 | ||
166 | memcpy(common->bssidmask, iter_data.mask, ETH_ALEN); | |
167 | ath_hw_setbssidmask(common); | |
168 | } | |
169 | ||
ffbe7c83 SM |
170 | static void ath9k_htc_set_opmode(struct ath9k_htc_priv *priv) |
171 | { | |
172 | if (priv->num_ibss_vif) | |
173 | priv->ah->opmode = NL80211_IFTYPE_ADHOC; | |
174 | else if (priv->num_ap_vif) | |
175 | priv->ah->opmode = NL80211_IFTYPE_AP; | |
176 | else | |
177 | priv->ah->opmode = NL80211_IFTYPE_STATION; | |
178 | ||
179 | ath9k_hw_setopmode(priv->ah); | |
180 | } | |
181 | ||
73908674 SM |
182 | void ath9k_htc_reset(struct ath9k_htc_priv *priv) |
183 | { | |
184 | struct ath_hw *ah = priv->ah; | |
185 | struct ath_common *common = ath9k_hw_common(ah); | |
186 | struct ieee80211_channel *channel = priv->hw->conf.channel; | |
4e3ae387 | 187 | struct ath9k_hw_cal_data *caldata = NULL; |
73908674 SM |
188 | enum htc_phymode mode; |
189 | __be16 htc_mode; | |
190 | u8 cmd_rsp; | |
191 | int ret; | |
192 | ||
193 | mutex_lock(&priv->mutex); | |
194 | ath9k_htc_ps_wakeup(priv); | |
195 | ||
a236254c | 196 | ath9k_htc_stop_ani(priv); |
73908674 | 197 | ieee80211_stop_queues(priv->hw); |
b587fc81 | 198 | |
859c3ca1 | 199 | del_timer_sync(&priv->tx.cleanup_timer); |
b587fc81 SM |
200 | ath9k_htc_tx_drain(priv); |
201 | ||
73908674 SM |
202 | WMI_CMD(WMI_DISABLE_INTR_CMDID); |
203 | WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID); | |
204 | WMI_CMD(WMI_STOP_RECV_CMDID); | |
205 | ||
f4c88991 SM |
206 | ath9k_wmi_event_drain(priv); |
207 | ||
4e3ae387 | 208 | caldata = &priv->caldata; |
73908674 SM |
209 | ret = ath9k_hw_reset(ah, ah->curchan, caldata, false); |
210 | if (ret) { | |
211 | ath_err(common, | |
212 | "Unable to reset device (%u Mhz) reset status %d\n", | |
213 | channel->center_freq, ret); | |
214 | } | |
215 | ||
b2a5c3df RM |
216 | ath9k_cmn_update_txpow(ah, priv->curtxpow, priv->txpowlimit, |
217 | &priv->curtxpow); | |
73908674 SM |
218 | |
219 | WMI_CMD(WMI_START_RECV_CMDID); | |
220 | ath9k_host_rx_init(priv); | |
221 | ||
222 | mode = ath9k_htc_get_curmode(priv, ah->curchan); | |
223 | htc_mode = cpu_to_be16(mode); | |
224 | WMI_CMD_BUF(WMI_SET_MODE_CMDID, &htc_mode); | |
225 | ||
226 | WMI_CMD(WMI_ENABLE_INTR_CMDID); | |
227 | htc_start(priv->htc); | |
7c277349 | 228 | ath9k_htc_vif_reconfig(priv); |
73908674 SM |
229 | ieee80211_wake_queues(priv->hw); |
230 | ||
859c3ca1 SM |
231 | mod_timer(&priv->tx.cleanup_timer, |
232 | jiffies + msecs_to_jiffies(ATH9K_HTC_TX_CLEANUP_INTERVAL)); | |
233 | ||
73908674 SM |
234 | ath9k_htc_ps_restore(priv); |
235 | mutex_unlock(&priv->mutex); | |
236 | } | |
237 | ||
fb9987d0 S |
238 | static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv, |
239 | struct ieee80211_hw *hw, | |
240 | struct ath9k_channel *hchan) | |
241 | { | |
242 | struct ath_hw *ah = priv->ah; | |
243 | struct ath_common *common = ath9k_hw_common(ah); | |
244 | struct ieee80211_conf *conf = &common->hw->conf; | |
039a0721 | 245 | bool fastcc; |
fb9987d0 | 246 | struct ieee80211_channel *channel = hw->conf.channel; |
8354dd3e | 247 | struct ath9k_hw_cal_data *caldata = NULL; |
fb9987d0 | 248 | enum htc_phymode mode; |
7f1f5a00 | 249 | __be16 htc_mode; |
fb9987d0 S |
250 | u8 cmd_rsp; |
251 | int ret; | |
252 | ||
253 | if (priv->op_flags & OP_INVALID) | |
254 | return -EIO; | |
255 | ||
039a0721 | 256 | fastcc = !!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL); |
fb9987d0 | 257 | |
bde748a4 | 258 | ath9k_htc_ps_wakeup(priv); |
b587fc81 | 259 | |
859c3ca1 | 260 | del_timer_sync(&priv->tx.cleanup_timer); |
b587fc81 SM |
261 | ath9k_htc_tx_drain(priv); |
262 | ||
fb9987d0 S |
263 | WMI_CMD(WMI_DISABLE_INTR_CMDID); |
264 | WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID); | |
265 | WMI_CMD(WMI_STOP_RECV_CMDID); | |
266 | ||
f4c88991 SM |
267 | ath9k_wmi_event_drain(priv); |
268 | ||
226afe68 JP |
269 | ath_dbg(common, ATH_DBG_CONFIG, |
270 | "(%u MHz) -> (%u MHz), HT: %d, HT40: %d fastcc: %d\n", | |
271 | priv->ah->curchan->channel, | |
272 | channel->center_freq, conf_is_ht(conf), conf_is_ht40(conf), | |
273 | fastcc); | |
fb9987d0 | 274 | |
4e3ae387 RM |
275 | if (!fastcc) |
276 | caldata = &priv->caldata; | |
b587fc81 | 277 | |
20bd2a09 | 278 | ret = ath9k_hw_reset(ah, hchan, caldata, fastcc); |
fb9987d0 | 279 | if (ret) { |
3800276a JP |
280 | ath_err(common, |
281 | "Unable to reset channel (%u Mhz) reset status %d\n", | |
282 | channel->center_freq, ret); | |
fb9987d0 S |
283 | goto err; |
284 | } | |
285 | ||
b2a5c3df RM |
286 | ath9k_cmn_update_txpow(ah, priv->curtxpow, priv->txpowlimit, |
287 | &priv->curtxpow); | |
fb9987d0 S |
288 | |
289 | WMI_CMD(WMI_START_RECV_CMDID); | |
290 | if (ret) | |
291 | goto err; | |
292 | ||
293 | ath9k_host_rx_init(priv); | |
294 | ||
295 | mode = ath9k_htc_get_curmode(priv, hchan); | |
296 | htc_mode = cpu_to_be16(mode); | |
297 | WMI_CMD_BUF(WMI_SET_MODE_CMDID, &htc_mode); | |
298 | if (ret) | |
299 | goto err; | |
300 | ||
301 | WMI_CMD(WMI_ENABLE_INTR_CMDID); | |
302 | if (ret) | |
303 | goto err; | |
304 | ||
305 | htc_start(priv->htc); | |
a5fae37d SM |
306 | |
307 | if (!(priv->op_flags & OP_SCANNING) && | |
308 | !(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)) | |
309 | ath9k_htc_vif_reconfig(priv); | |
310 | ||
859c3ca1 SM |
311 | mod_timer(&priv->tx.cleanup_timer, |
312 | jiffies + msecs_to_jiffies(ATH9K_HTC_TX_CLEANUP_INTERVAL)); | |
313 | ||
fb9987d0 | 314 | err: |
bde748a4 | 315 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
316 | return ret; |
317 | } | |
318 | ||
a97b478c SM |
319 | /* |
320 | * Monitor mode handling is a tad complicated because the firmware requires | |
321 | * an interface to be created exclusively, while mac80211 doesn't associate | |
322 | * an interface with the mode. | |
323 | * | |
324 | * So, for now, only one monitor interface can be configured. | |
325 | */ | |
cc721287 SM |
326 | static void __ath9k_htc_remove_monitor_interface(struct ath9k_htc_priv *priv) |
327 | { | |
328 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
329 | struct ath9k_htc_target_vif hvif; | |
330 | int ret = 0; | |
331 | u8 cmd_rsp; | |
332 | ||
333 | memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif)); | |
334 | memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN); | |
a97b478c | 335 | hvif.index = priv->mon_vif_idx; |
cc721287 | 336 | WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif); |
0ff2b5c0 SM |
337 | if (ret) { |
338 | ath_err(common, "Unable to remove monitor interface at idx: %d\n", | |
339 | priv->mon_vif_idx); | |
340 | } | |
341 | ||
cc721287 | 342 | priv->nvifs--; |
a97b478c | 343 | priv->vif_slot &= ~(1 << priv->mon_vif_idx); |
cc721287 SM |
344 | } |
345 | ||
81fc2a33 RM |
346 | static int ath9k_htc_add_monitor_interface(struct ath9k_htc_priv *priv) |
347 | { | |
348 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
349 | struct ath9k_htc_target_vif hvif; | |
cc721287 | 350 | struct ath9k_htc_target_sta tsta; |
a97b478c | 351 | int ret = 0, sta_idx; |
81fc2a33 RM |
352 | u8 cmd_rsp; |
353 | ||
a97b478c SM |
354 | if ((priv->nvifs >= ATH9K_HTC_MAX_VIF) || |
355 | (priv->nstations >= ATH9K_HTC_MAX_STA)) { | |
356 | ret = -ENOBUFS; | |
357 | goto err_vif; | |
358 | } | |
81fc2a33 | 359 | |
a97b478c SM |
360 | sta_idx = ffz(priv->sta_slot); |
361 | if ((sta_idx < 0) || (sta_idx > ATH9K_HTC_MAX_STA)) { | |
362 | ret = -ENOBUFS; | |
363 | goto err_vif; | |
364 | } | |
cc721287 SM |
365 | |
366 | /* | |
367 | * Add an interface. | |
368 | */ | |
81fc2a33 RM |
369 | memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif)); |
370 | memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN); | |
371 | ||
e4c62506 | 372 | hvif.opmode = HTC_M_MONITOR; |
a97b478c | 373 | hvif.index = ffz(priv->vif_slot); |
81fc2a33 RM |
374 | |
375 | WMI_CMD_BUF(WMI_VAP_CREATE_CMDID, &hvif); | |
376 | if (ret) | |
a97b478c SM |
377 | goto err_vif; |
378 | ||
379 | /* | |
380 | * Assign the monitor interface index as a special case here. | |
381 | * This is needed when the interface is brought down. | |
382 | */ | |
383 | priv->mon_vif_idx = hvif.index; | |
384 | priv->vif_slot |= (1 << hvif.index); | |
385 | ||
386 | /* | |
387 | * Set the hardware mode to monitor only if there are no | |
388 | * other interfaces. | |
389 | */ | |
390 | if (!priv->nvifs) | |
391 | priv->ah->opmode = NL80211_IFTYPE_MONITOR; | |
81fc2a33 RM |
392 | |
393 | priv->nvifs++; | |
cc721287 SM |
394 | |
395 | /* | |
396 | * Associate a station with the interface for packet injection. | |
397 | */ | |
cc721287 SM |
398 | memset(&tsta, 0, sizeof(struct ath9k_htc_target_sta)); |
399 | ||
400 | memcpy(&tsta.macaddr, common->macaddr, ETH_ALEN); | |
401 | ||
402 | tsta.is_vif_sta = 1; | |
a97b478c | 403 | tsta.sta_index = sta_idx; |
cc721287 | 404 | tsta.vif_index = hvif.index; |
b97c57ff | 405 | tsta.maxampdu = cpu_to_be16(0xffff); |
cc721287 SM |
406 | |
407 | WMI_CMD_BUF(WMI_NODE_CREATE_CMDID, &tsta); | |
408 | if (ret) { | |
409 | ath_err(common, "Unable to add station entry for monitor mode\n"); | |
a97b478c | 410 | goto err_sta; |
cc721287 SM |
411 | } |
412 | ||
a97b478c | 413 | priv->sta_slot |= (1 << sta_idx); |
cc721287 | 414 | priv->nstations++; |
a97b478c | 415 | priv->vif_sta_pos[priv->mon_vif_idx] = sta_idx; |
55de80d6 SM |
416 | priv->ah->is_monitoring = true; |
417 | ||
a97b478c SM |
418 | ath_dbg(common, ATH_DBG_CONFIG, |
419 | "Attached a monitor interface at idx: %d, sta idx: %d\n", | |
420 | priv->mon_vif_idx, sta_idx); | |
421 | ||
81fc2a33 | 422 | return 0; |
cc721287 | 423 | |
a97b478c | 424 | err_sta: |
cc721287 SM |
425 | /* |
426 | * Remove the interface from the target. | |
427 | */ | |
428 | __ath9k_htc_remove_monitor_interface(priv); | |
a97b478c SM |
429 | err_vif: |
430 | ath_dbg(common, ATH_DBG_FATAL, "Unable to attach a monitor interface\n"); | |
431 | ||
cc721287 | 432 | return ret; |
81fc2a33 RM |
433 | } |
434 | ||
435 | static int ath9k_htc_remove_monitor_interface(struct ath9k_htc_priv *priv) | |
436 | { | |
437 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
81fc2a33 | 438 | int ret = 0; |
cc721287 | 439 | u8 cmd_rsp, sta_idx; |
81fc2a33 | 440 | |
cc721287 | 441 | __ath9k_htc_remove_monitor_interface(priv); |
81fc2a33 | 442 | |
a97b478c | 443 | sta_idx = priv->vif_sta_pos[priv->mon_vif_idx]; |
cc721287 SM |
444 | |
445 | WMI_CMD_BUF(WMI_NODE_REMOVE_CMDID, &sta_idx); | |
446 | if (ret) { | |
447 | ath_err(common, "Unable to remove station entry for monitor mode\n"); | |
448 | return ret; | |
449 | } | |
450 | ||
a97b478c | 451 | priv->sta_slot &= ~(1 << sta_idx); |
cc721287 | 452 | priv->nstations--; |
55de80d6 | 453 | priv->ah->is_monitoring = false; |
cc721287 | 454 | |
a97b478c SM |
455 | ath_dbg(common, ATH_DBG_CONFIG, |
456 | "Removed a monitor interface at idx: %d, sta idx: %d\n", | |
457 | priv->mon_vif_idx, sta_idx); | |
458 | ||
cc721287 | 459 | return 0; |
81fc2a33 RM |
460 | } |
461 | ||
fb9987d0 S |
462 | static int ath9k_htc_add_station(struct ath9k_htc_priv *priv, |
463 | struct ieee80211_vif *vif, | |
464 | struct ieee80211_sta *sta) | |
465 | { | |
466 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
467 | struct ath9k_htc_target_sta tsta; | |
468 | struct ath9k_htc_vif *avp = (struct ath9k_htc_vif *) vif->drv_priv; | |
469 | struct ath9k_htc_sta *ista; | |
a97b478c | 470 | int ret, sta_idx; |
fb9987d0 | 471 | u8 cmd_rsp; |
f0dd4980 | 472 | u16 maxampdu; |
fb9987d0 S |
473 | |
474 | if (priv->nstations >= ATH9K_HTC_MAX_STA) | |
475 | return -ENOBUFS; | |
476 | ||
a97b478c SM |
477 | sta_idx = ffz(priv->sta_slot); |
478 | if ((sta_idx < 0) || (sta_idx > ATH9K_HTC_MAX_STA)) | |
479 | return -ENOBUFS; | |
480 | ||
fb9987d0 S |
481 | memset(&tsta, 0, sizeof(struct ath9k_htc_target_sta)); |
482 | ||
483 | if (sta) { | |
484 | ista = (struct ath9k_htc_sta *) sta->drv_priv; | |
485 | memcpy(&tsta.macaddr, sta->addr, ETH_ALEN); | |
486 | memcpy(&tsta.bssid, common->curbssid, ETH_ALEN); | |
fb9987d0 | 487 | tsta.is_vif_sta = 0; |
a97b478c | 488 | ista->index = sta_idx; |
fb9987d0 S |
489 | } else { |
490 | memcpy(&tsta.macaddr, vif->addr, ETH_ALEN); | |
491 | tsta.is_vif_sta = 1; | |
492 | } | |
493 | ||
a97b478c | 494 | tsta.sta_index = sta_idx; |
fb9987d0 | 495 | tsta.vif_index = avp->index; |
f0dd4980 SM |
496 | |
497 | if (!sta) { | |
498 | tsta.maxampdu = cpu_to_be16(0xffff); | |
499 | } else { | |
500 | maxampdu = 1 << (IEEE80211_HT_MAX_AMPDU_FACTOR + | |
501 | sta->ht_cap.ampdu_factor); | |
502 | tsta.maxampdu = cpu_to_be16(maxampdu); | |
503 | } | |
504 | ||
fb9987d0 S |
505 | WMI_CMD_BUF(WMI_NODE_CREATE_CMDID, &tsta); |
506 | if (ret) { | |
507 | if (sta) | |
3800276a JP |
508 | ath_err(common, |
509 | "Unable to add station entry for: %pM\n", | |
510 | sta->addr); | |
fb9987d0 S |
511 | return ret; |
512 | } | |
513 | ||
a97b478c | 514 | if (sta) { |
226afe68 JP |
515 | ath_dbg(common, ATH_DBG_CONFIG, |
516 | "Added a station entry for: %pM (idx: %d)\n", | |
517 | sta->addr, tsta.sta_index); | |
a97b478c SM |
518 | } else { |
519 | ath_dbg(common, ATH_DBG_CONFIG, | |
520 | "Added a station entry for VIF %d (idx: %d)\n", | |
521 | avp->index, tsta.sta_index); | |
522 | } | |
fb9987d0 | 523 | |
a97b478c | 524 | priv->sta_slot |= (1 << sta_idx); |
fb9987d0 | 525 | priv->nstations++; |
a97b478c SM |
526 | if (!sta) |
527 | priv->vif_sta_pos[avp->index] = sta_idx; | |
528 | ||
fb9987d0 S |
529 | return 0; |
530 | } | |
531 | ||
532 | static int ath9k_htc_remove_station(struct ath9k_htc_priv *priv, | |
533 | struct ieee80211_vif *vif, | |
534 | struct ieee80211_sta *sta) | |
535 | { | |
536 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
a97b478c | 537 | struct ath9k_htc_vif *avp = (struct ath9k_htc_vif *) vif->drv_priv; |
fb9987d0 S |
538 | struct ath9k_htc_sta *ista; |
539 | int ret; | |
540 | u8 cmd_rsp, sta_idx; | |
541 | ||
542 | if (sta) { | |
543 | ista = (struct ath9k_htc_sta *) sta->drv_priv; | |
544 | sta_idx = ista->index; | |
545 | } else { | |
a97b478c | 546 | sta_idx = priv->vif_sta_pos[avp->index]; |
fb9987d0 S |
547 | } |
548 | ||
549 | WMI_CMD_BUF(WMI_NODE_REMOVE_CMDID, &sta_idx); | |
550 | if (ret) { | |
551 | if (sta) | |
3800276a JP |
552 | ath_err(common, |
553 | "Unable to remove station entry for: %pM\n", | |
554 | sta->addr); | |
fb9987d0 S |
555 | return ret; |
556 | } | |
557 | ||
a97b478c | 558 | if (sta) { |
226afe68 JP |
559 | ath_dbg(common, ATH_DBG_CONFIG, |
560 | "Removed a station entry for: %pM (idx: %d)\n", | |
561 | sta->addr, sta_idx); | |
a97b478c SM |
562 | } else { |
563 | ath_dbg(common, ATH_DBG_CONFIG, | |
564 | "Removed a station entry for VIF %d (idx: %d)\n", | |
565 | avp->index, sta_idx); | |
566 | } | |
fb9987d0 | 567 | |
a97b478c | 568 | priv->sta_slot &= ~(1 << sta_idx); |
fb9987d0 | 569 | priv->nstations--; |
a97b478c | 570 | |
fb9987d0 S |
571 | return 0; |
572 | } | |
573 | ||
3a0593ef SM |
574 | int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv, |
575 | u8 enable_coex) | |
fb9987d0 S |
576 | { |
577 | struct ath9k_htc_cap_target tcap; | |
578 | int ret; | |
579 | u8 cmd_rsp; | |
580 | ||
581 | memset(&tcap, 0, sizeof(struct ath9k_htc_cap_target)); | |
582 | ||
3a0593ef | 583 | tcap.ampdu_limit = cpu_to_be32(0xffff); |
bd548799 | 584 | tcap.ampdu_subframes = 0xff; |
3a0593ef | 585 | tcap.enable_coex = enable_coex; |
29d9075e | 586 | tcap.tx_chainmask = priv->ah->caps.tx_chainmask; |
fb9987d0 S |
587 | |
588 | WMI_CMD_BUF(WMI_TARGET_IC_UPDATE_CMDID, &tcap); | |
589 | ||
590 | return ret; | |
591 | } | |
592 | ||
0d425a7d S |
593 | static void ath9k_htc_setup_rate(struct ath9k_htc_priv *priv, |
594 | struct ieee80211_sta *sta, | |
595 | struct ath9k_htc_target_rate *trate) | |
fb9987d0 | 596 | { |
fb9987d0 S |
597 | struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv; |
598 | struct ieee80211_supported_band *sband; | |
fb9987d0 | 599 | u32 caps = 0; |
0d425a7d | 600 | int i, j; |
fb9987d0 | 601 | |
ea46e644 | 602 | sband = priv->hw->wiphy->bands[priv->hw->conf.channel->band]; |
fb9987d0 S |
603 | |
604 | for (i = 0, j = 0; i < sband->n_bitrates; i++) { | |
605 | if (sta->supp_rates[sband->band] & BIT(i)) { | |
0d425a7d | 606 | trate->rates.legacy_rates.rs_rates[j] |
fb9987d0 S |
607 | = (sband->bitrates[i].bitrate * 2) / 10; |
608 | j++; | |
609 | } | |
610 | } | |
0d425a7d | 611 | trate->rates.legacy_rates.rs_nrates = j; |
fb9987d0 S |
612 | |
613 | if (sta->ht_cap.ht_supported) { | |
614 | for (i = 0, j = 0; i < 77; i++) { | |
615 | if (sta->ht_cap.mcs.rx_mask[i/8] & (1<<(i%8))) | |
0d425a7d | 616 | trate->rates.ht_rates.rs_rates[j++] = i; |
fb9987d0 S |
617 | if (j == ATH_HTC_RATE_MAX) |
618 | break; | |
619 | } | |
0d425a7d | 620 | trate->rates.ht_rates.rs_nrates = j; |
fb9987d0 S |
621 | |
622 | caps = WLAN_RC_HT_FLAG; | |
3553727c FF |
623 | if (sta->ht_cap.mcs.rx_mask[1]) |
624 | caps |= WLAN_RC_DS_FLAG; | |
71ba186c VN |
625 | if ((sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) && |
626 | (conf_is_ht40(&priv->hw->conf))) | |
fb9987d0 | 627 | caps |= WLAN_RC_40_FLAG; |
b4dec5e8 S |
628 | if (conf_is_ht40(&priv->hw->conf) && |
629 | (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)) | |
630 | caps |= WLAN_RC_SGI_FLAG; | |
631 | else if (conf_is_ht20(&priv->hw->conf) && | |
632 | (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20)) | |
fb9987d0 | 633 | caps |= WLAN_RC_SGI_FLAG; |
fb9987d0 S |
634 | } |
635 | ||
0d425a7d S |
636 | trate->sta_index = ista->index; |
637 | trate->isnew = 1; | |
638 | trate->capflags = cpu_to_be32(caps); | |
639 | } | |
640 | ||
641 | static int ath9k_htc_send_rate_cmd(struct ath9k_htc_priv *priv, | |
642 | struct ath9k_htc_target_rate *trate) | |
643 | { | |
644 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
645 | int ret; | |
646 | u8 cmd_rsp; | |
fb9987d0 | 647 | |
0d425a7d | 648 | WMI_CMD_BUF(WMI_RC_RATE_UPDATE_CMDID, trate); |
fb9987d0 | 649 | if (ret) { |
3800276a JP |
650 | ath_err(common, |
651 | "Unable to initialize Rate information on target\n"); | |
fb9987d0 S |
652 | } |
653 | ||
0d425a7d | 654 | return ret; |
fb9987d0 S |
655 | } |
656 | ||
0d425a7d S |
657 | static void ath9k_htc_init_rate(struct ath9k_htc_priv *priv, |
658 | struct ieee80211_sta *sta) | |
fb9987d0 | 659 | { |
fb9987d0 | 660 | struct ath_common *common = ath9k_hw_common(priv->ah); |
0d425a7d | 661 | struct ath9k_htc_target_rate trate; |
fb9987d0 | 662 | int ret; |
fb9987d0 | 663 | |
0d425a7d S |
664 | memset(&trate, 0, sizeof(struct ath9k_htc_target_rate)); |
665 | ath9k_htc_setup_rate(priv, sta, &trate); | |
666 | ret = ath9k_htc_send_rate_cmd(priv, &trate); | |
667 | if (!ret) | |
226afe68 JP |
668 | ath_dbg(common, ATH_DBG_CONFIG, |
669 | "Updated target sta: %pM, rate caps: 0x%X\n", | |
670 | sta->addr, be32_to_cpu(trate.capflags)); | |
fb9987d0 S |
671 | } |
672 | ||
2c76ef89 S |
673 | static void ath9k_htc_update_rate(struct ath9k_htc_priv *priv, |
674 | struct ieee80211_vif *vif, | |
675 | struct ieee80211_bss_conf *bss_conf) | |
676 | { | |
677 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
678 | struct ath9k_htc_target_rate trate; | |
679 | struct ieee80211_sta *sta; | |
680 | int ret; | |
681 | ||
682 | memset(&trate, 0, sizeof(struct ath9k_htc_target_rate)); | |
683 | ||
684 | rcu_read_lock(); | |
685 | sta = ieee80211_find_sta(vif, bss_conf->bssid); | |
686 | if (!sta) { | |
687 | rcu_read_unlock(); | |
688 | return; | |
689 | } | |
690 | ath9k_htc_setup_rate(priv, sta, &trate); | |
691 | rcu_read_unlock(); | |
692 | ||
693 | ret = ath9k_htc_send_rate_cmd(priv, &trate); | |
694 | if (!ret) | |
226afe68 JP |
695 | ath_dbg(common, ATH_DBG_CONFIG, |
696 | "Updated target sta: %pM, rate caps: 0x%X\n", | |
697 | bss_conf->bssid, be32_to_cpu(trate.capflags)); | |
2c76ef89 S |
698 | } |
699 | ||
9edd9520 LR |
700 | static int ath9k_htc_tx_aggr_oper(struct ath9k_htc_priv *priv, |
701 | struct ieee80211_vif *vif, | |
702 | struct ieee80211_sta *sta, | |
703 | enum ieee80211_ampdu_mlme_action action, | |
704 | u16 tid) | |
fb9987d0 S |
705 | { |
706 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
707 | struct ath9k_htc_target_aggr aggr; | |
277a64d1 | 708 | struct ath9k_htc_sta *ista; |
fb9987d0 S |
709 | int ret = 0; |
710 | u8 cmd_rsp; | |
711 | ||
0730d114 | 712 | if (tid >= ATH9K_HTC_MAX_TID) |
fb9987d0 S |
713 | return -EINVAL; |
714 | ||
ef98c3cd | 715 | memset(&aggr, 0, sizeof(struct ath9k_htc_target_aggr)); |
ef98c3cd | 716 | ista = (struct ath9k_htc_sta *) sta->drv_priv; |
fb9987d0 | 717 | |
fb9987d0 | 718 | aggr.sta_index = ista->index; |
d7ca2139 S |
719 | aggr.tidno = tid & 0xf; |
720 | aggr.aggr_enable = (action == IEEE80211_AMPDU_TX_START) ? true : false; | |
fb9987d0 | 721 | |
fb9987d0 S |
722 | WMI_CMD_BUF(WMI_TX_AGGR_ENABLE_CMDID, &aggr); |
723 | if (ret) | |
226afe68 JP |
724 | ath_dbg(common, ATH_DBG_CONFIG, |
725 | "Unable to %s TX aggregation for (%pM, %d)\n", | |
726 | (aggr.aggr_enable) ? "start" : "stop", sta->addr, tid); | |
fb9987d0 | 727 | else |
226afe68 JP |
728 | ath_dbg(common, ATH_DBG_CONFIG, |
729 | "%s TX aggregation for (%pM, %d)\n", | |
730 | (aggr.aggr_enable) ? "Starting" : "Stopping", | |
731 | sta->addr, tid); | |
fb9987d0 | 732 | |
658ef04f | 733 | spin_lock_bh(&priv->tx.tx_lock); |
d7ca2139 | 734 | ista->tid_state[tid] = (aggr.aggr_enable && !ret) ? AGGR_START : AGGR_STOP; |
658ef04f | 735 | spin_unlock_bh(&priv->tx.tx_lock); |
fb9987d0 | 736 | |
d7ca2139 | 737 | return ret; |
fb9987d0 S |
738 | } |
739 | ||
fb9987d0 S |
740 | /*******/ |
741 | /* ANI */ | |
742 | /*******/ | |
743 | ||
a236254c | 744 | void ath9k_htc_start_ani(struct ath9k_htc_priv *priv) |
fb9987d0 S |
745 | { |
746 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
747 | unsigned long timestamp = jiffies_to_msecs(jiffies); | |
748 | ||
749 | common->ani.longcal_timer = timestamp; | |
750 | common->ani.shortcal_timer = timestamp; | |
751 | common->ani.checkani_timer = timestamp; | |
752 | ||
a236254c SM |
753 | priv->op_flags |= OP_ANI_RUNNING; |
754 | ||
755 | ieee80211_queue_delayed_work(common->hw, &priv->ani_work, | |
fb9987d0 S |
756 | msecs_to_jiffies(ATH_ANI_POLLINTERVAL)); |
757 | } | |
758 | ||
a236254c SM |
759 | void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv) |
760 | { | |
761 | cancel_delayed_work_sync(&priv->ani_work); | |
762 | priv->op_flags &= ~OP_ANI_RUNNING; | |
763 | } | |
764 | ||
765 | void ath9k_htc_ani_work(struct work_struct *work) | |
fb9987d0 S |
766 | { |
767 | struct ath9k_htc_priv *priv = | |
a236254c | 768 | container_of(work, struct ath9k_htc_priv, ani_work.work); |
fb9987d0 S |
769 | struct ath_hw *ah = priv->ah; |
770 | struct ath_common *common = ath9k_hw_common(ah); | |
771 | bool longcal = false; | |
772 | bool shortcal = false; | |
773 | bool aniflag = false; | |
774 | unsigned int timestamp = jiffies_to_msecs(jiffies); | |
775 | u32 cal_interval, short_cal_interval; | |
776 | ||
a236254c SM |
777 | short_cal_interval = (ah->opmode == NL80211_IFTYPE_AP) ? |
778 | ATH_AP_SHORT_CALINTERVAL : ATH_STA_SHORT_CALINTERVAL; | |
fb9987d0 | 779 | |
bde748a4 VN |
780 | /* Only calibrate if awake */ |
781 | if (ah->power_mode != ATH9K_PM_AWAKE) | |
782 | goto set_timer; | |
783 | ||
fb9987d0 S |
784 | /* Long calibration runs independently of short calibration. */ |
785 | if ((timestamp - common->ani.longcal_timer) >= ATH_LONG_CALINTERVAL) { | |
786 | longcal = true; | |
226afe68 | 787 | ath_dbg(common, ATH_DBG_ANI, "longcal @%lu\n", jiffies); |
fb9987d0 S |
788 | common->ani.longcal_timer = timestamp; |
789 | } | |
790 | ||
791 | /* Short calibration applies only while caldone is false */ | |
792 | if (!common->ani.caldone) { | |
793 | if ((timestamp - common->ani.shortcal_timer) >= | |
794 | short_cal_interval) { | |
795 | shortcal = true; | |
226afe68 JP |
796 | ath_dbg(common, ATH_DBG_ANI, |
797 | "shortcal @%lu\n", jiffies); | |
fb9987d0 S |
798 | common->ani.shortcal_timer = timestamp; |
799 | common->ani.resetcal_timer = timestamp; | |
800 | } | |
801 | } else { | |
802 | if ((timestamp - common->ani.resetcal_timer) >= | |
803 | ATH_RESTART_CALINTERVAL) { | |
804 | common->ani.caldone = ath9k_hw_reset_calvalid(ah); | |
805 | if (common->ani.caldone) | |
806 | common->ani.resetcal_timer = timestamp; | |
807 | } | |
808 | } | |
809 | ||
810 | /* Verify whether we must check ANI */ | |
811 | if ((timestamp - common->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) { | |
812 | aniflag = true; | |
813 | common->ani.checkani_timer = timestamp; | |
814 | } | |
815 | ||
816 | /* Skip all processing if there's nothing to do. */ | |
817 | if (longcal || shortcal || aniflag) { | |
bde748a4 VN |
818 | |
819 | ath9k_htc_ps_wakeup(priv); | |
820 | ||
fb9987d0 S |
821 | /* Call ANI routine if necessary */ |
822 | if (aniflag) | |
823 | ath9k_hw_ani_monitor(ah, ah->curchan); | |
824 | ||
825 | /* Perform calibration if necessary */ | |
35ecfe03 | 826 | if (longcal || shortcal) |
fb9987d0 S |
827 | common->ani.caldone = |
828 | ath9k_hw_calibrate(ah, ah->curchan, | |
82b2d334 | 829 | ah->rxchainmask, longcal); |
fb9987d0 | 830 | |
bde748a4 | 831 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
832 | } |
833 | ||
bde748a4 | 834 | set_timer: |
fb9987d0 S |
835 | /* |
836 | * Set timer interval based on previous results. | |
837 | * The interval must be the shortest necessary to satisfy ANI, | |
838 | * short calibration and long calibration. | |
839 | */ | |
840 | cal_interval = ATH_LONG_CALINTERVAL; | |
841 | if (priv->ah->config.enable_ani) | |
842 | cal_interval = min(cal_interval, (u32)ATH_ANI_POLLINTERVAL); | |
843 | if (!common->ani.caldone) | |
844 | cal_interval = min(cal_interval, (u32)short_cal_interval); | |
845 | ||
a236254c | 846 | ieee80211_queue_delayed_work(common->hw, &priv->ani_work, |
fb9987d0 S |
847 | msecs_to_jiffies(cal_interval)); |
848 | } | |
849 | ||
fb9987d0 S |
850 | /**********************/ |
851 | /* mac80211 Callbacks */ | |
852 | /**********************/ | |
853 | ||
7bb45683 | 854 | static void ath9k_htc_tx(struct ieee80211_hw *hw, struct sk_buff *skb) |
fb9987d0 S |
855 | { |
856 | struct ieee80211_hdr *hdr; | |
857 | struct ath9k_htc_priv *priv = hw->priv; | |
8e86a547 | 858 | struct ath_common *common = ath9k_hw_common(priv->ah); |
2c5d57f0 | 859 | int padpos, padsize, ret, slot; |
fb9987d0 S |
860 | |
861 | hdr = (struct ieee80211_hdr *) skb->data; | |
862 | ||
863 | /* Add the padding after the header if this is not already done */ | |
864 | padpos = ath9k_cmn_padpos(hdr->frame_control); | |
865 | padsize = padpos & 3; | |
866 | if (padsize && skb->len > padpos) { | |
8e86a547 SM |
867 | if (skb_headroom(skb) < padsize) { |
868 | ath_dbg(common, ATH_DBG_XMIT, "No room for padding\n"); | |
7bb45683 | 869 | goto fail_tx; |
8e86a547 | 870 | } |
fb9987d0 S |
871 | skb_push(skb, padsize); |
872 | memmove(skb->data, skb->data + padsize, padpos); | |
873 | } | |
874 | ||
2c5d57f0 SM |
875 | slot = ath9k_htc_tx_get_slot(priv); |
876 | if (slot < 0) { | |
877 | ath_dbg(common, ATH_DBG_XMIT, "No free TX slot\n"); | |
878 | goto fail_tx; | |
879 | } | |
880 | ||
881 | ret = ath9k_htc_tx_start(priv, skb, slot, false); | |
7757dfed | 882 | if (ret != 0) { |
8e86a547 | 883 | ath_dbg(common, ATH_DBG_XMIT, "Tx failed\n"); |
2c5d57f0 | 884 | goto clear_slot; |
fb9987d0 S |
885 | } |
886 | ||
8e86a547 SM |
887 | ath9k_htc_check_stop_queues(priv); |
888 | ||
7bb45683 | 889 | return; |
fb9987d0 | 890 | |
2c5d57f0 SM |
891 | clear_slot: |
892 | ath9k_htc_tx_clear_slot(priv, slot); | |
fb9987d0 S |
893 | fail_tx: |
894 | dev_kfree_skb_any(skb); | |
fb9987d0 S |
895 | } |
896 | ||
881ac6a5 | 897 | static int ath9k_htc_start(struct ieee80211_hw *hw) |
fb9987d0 S |
898 | { |
899 | struct ath9k_htc_priv *priv = hw->priv; | |
900 | struct ath_hw *ah = priv->ah; | |
901 | struct ath_common *common = ath9k_hw_common(ah); | |
902 | struct ieee80211_channel *curchan = hw->conf.channel; | |
903 | struct ath9k_channel *init_channel; | |
904 | int ret = 0; | |
905 | enum htc_phymode mode; | |
7f1f5a00 | 906 | __be16 htc_mode; |
fb9987d0 S |
907 | u8 cmd_rsp; |
908 | ||
881ac6a5 S |
909 | mutex_lock(&priv->mutex); |
910 | ||
226afe68 JP |
911 | ath_dbg(common, ATH_DBG_CONFIG, |
912 | "Starting driver with initial channel: %d MHz\n", | |
913 | curchan->center_freq); | |
fb9987d0 | 914 | |
21d5130b S |
915 | /* Ensure that HW is awake before flushing RX */ |
916 | ath9k_htc_setpower(priv, ATH9K_PM_AWAKE); | |
917 | WMI_CMD(WMI_FLUSH_RECV_CMDID); | |
918 | ||
fb9987d0 S |
919 | /* setup initial channel */ |
920 | init_channel = ath9k_cmn_get_curchannel(hw, ah); | |
921 | ||
fb9987d0 | 922 | ath9k_hw_htc_resetinit(ah); |
20bd2a09 | 923 | ret = ath9k_hw_reset(ah, init_channel, ah->caldata, false); |
fb9987d0 | 924 | if (ret) { |
3800276a JP |
925 | ath_err(common, |
926 | "Unable to reset hardware; reset status %d (freq %u MHz)\n", | |
927 | ret, curchan->center_freq); | |
881ac6a5 | 928 | mutex_unlock(&priv->mutex); |
8a8572a8 | 929 | return ret; |
fb9987d0 S |
930 | } |
931 | ||
b2a5c3df RM |
932 | ath9k_cmn_update_txpow(ah, priv->curtxpow, priv->txpowlimit, |
933 | &priv->curtxpow); | |
fb9987d0 S |
934 | |
935 | mode = ath9k_htc_get_curmode(priv, init_channel); | |
936 | htc_mode = cpu_to_be16(mode); | |
937 | WMI_CMD_BUF(WMI_SET_MODE_CMDID, &htc_mode); | |
fb9987d0 | 938 | WMI_CMD(WMI_ATH_INIT_CMDID); |
fb9987d0 | 939 | WMI_CMD(WMI_START_RECV_CMDID); |
fb9987d0 S |
940 | |
941 | ath9k_host_rx_init(priv); | |
942 | ||
3a0593ef | 943 | ret = ath9k_htc_update_cap_target(priv, 0); |
1057b750 SM |
944 | if (ret) |
945 | ath_dbg(common, ATH_DBG_CONFIG, | |
946 | "Failed to update capability in target\n"); | |
947 | ||
fb9987d0 S |
948 | priv->op_flags &= ~OP_INVALID; |
949 | htc_start(priv->htc); | |
950 | ||
658ef04f | 951 | spin_lock_bh(&priv->tx.tx_lock); |
8e86a547 | 952 | priv->tx.flags &= ~ATH9K_HTC_OP_TX_QUEUES_STOP; |
658ef04f | 953 | spin_unlock_bh(&priv->tx.tx_lock); |
7757dfed S |
954 | |
955 | ieee80211_wake_queues(hw); | |
956 | ||
859c3ca1 SM |
957 | mod_timer(&priv->tx.cleanup_timer, |
958 | jiffies + msecs_to_jiffies(ATH9K_HTC_TX_CLEANUP_INTERVAL)); | |
959 | ||
21cb9879 VN |
960 | if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) { |
961 | ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT, | |
962 | AR_STOMP_LOW_WLAN_WGHT); | |
963 | ath9k_hw_btcoex_enable(ah); | |
964 | ath_htc_resume_btcoex_work(priv); | |
965 | } | |
fb9987d0 | 966 | mutex_unlock(&priv->mutex); |
8a8572a8 | 967 | |
fb9987d0 S |
968 | return ret; |
969 | } | |
970 | ||
881ac6a5 | 971 | static void ath9k_htc_stop(struct ieee80211_hw *hw) |
fb9987d0 S |
972 | { |
973 | struct ath9k_htc_priv *priv = hw->priv; | |
974 | struct ath_hw *ah = priv->ah; | |
975 | struct ath_common *common = ath9k_hw_common(ah); | |
0ff2b5c0 | 976 | int ret __attribute__ ((unused)); |
fb9987d0 S |
977 | u8 cmd_rsp; |
978 | ||
881ac6a5 S |
979 | mutex_lock(&priv->mutex); |
980 | ||
fb9987d0 | 981 | if (priv->op_flags & OP_INVALID) { |
226afe68 | 982 | ath_dbg(common, ATH_DBG_ANY, "Device not present\n"); |
881ac6a5 | 983 | mutex_unlock(&priv->mutex); |
fb9987d0 S |
984 | return; |
985 | } | |
986 | ||
bde748a4 | 987 | ath9k_htc_ps_wakeup(priv); |
b587fc81 | 988 | |
fb9987d0 S |
989 | WMI_CMD(WMI_DISABLE_INTR_CMDID); |
990 | WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID); | |
991 | WMI_CMD(WMI_STOP_RECV_CMDID); | |
ea888357 | 992 | |
ea888357 | 993 | tasklet_kill(&priv->rx_tasklet); |
fb9987d0 | 994 | |
859c3ca1 | 995 | del_timer_sync(&priv->tx.cleanup_timer); |
b587fc81 | 996 | ath9k_htc_tx_drain(priv); |
f4c88991 SM |
997 | ath9k_wmi_event_drain(priv); |
998 | ||
ea888357 SG |
999 | mutex_unlock(&priv->mutex); |
1000 | ||
1001 | /* Cancel all the running timers/work .. */ | |
1002 | cancel_work_sync(&priv->fatal_work); | |
1003 | cancel_work_sync(&priv->ps_work); | |
d244f21e SM |
1004 | |
1005 | #ifdef CONFIG_MAC80211_LEDS | |
1006 | cancel_work_sync(&priv->led_work); | |
1007 | #endif | |
a236254c | 1008 | ath9k_htc_stop_ani(priv); |
ea888357 SG |
1009 | |
1010 | mutex_lock(&priv->mutex); | |
1011 | ||
21cb9879 VN |
1012 | if (ah->btcoex_hw.enabled) { |
1013 | ath9k_hw_btcoex_disable(ah); | |
1014 | if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) | |
1015 | ath_htc_cancel_btcoex_work(priv); | |
1016 | } | |
1017 | ||
a97b478c SM |
1018 | /* Remove a monitor interface if it's present. */ |
1019 | if (priv->ah->is_monitoring) | |
1020 | ath9k_htc_remove_monitor_interface(priv); | |
1021 | ||
e9201f09 S |
1022 | ath9k_hw_phy_disable(ah); |
1023 | ath9k_hw_disable(ah); | |
e9201f09 S |
1024 | ath9k_htc_ps_restore(priv); |
1025 | ath9k_htc_setpower(priv, ATH9K_PM_FULL_SLEEP); | |
1026 | ||
fb9987d0 | 1027 | priv->op_flags |= OP_INVALID; |
fb9987d0 | 1028 | |
226afe68 | 1029 | ath_dbg(common, ATH_DBG_CONFIG, "Driver halt\n"); |
8a8572a8 VN |
1030 | mutex_unlock(&priv->mutex); |
1031 | } | |
1032 | ||
fb9987d0 S |
1033 | static int ath9k_htc_add_interface(struct ieee80211_hw *hw, |
1034 | struct ieee80211_vif *vif) | |
1035 | { | |
1036 | struct ath9k_htc_priv *priv = hw->priv; | |
1037 | struct ath9k_htc_vif *avp = (void *)vif->drv_priv; | |
1038 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
1039 | struct ath9k_htc_target_vif hvif; | |
1040 | int ret = 0; | |
1041 | u8 cmd_rsp; | |
1042 | ||
1043 | mutex_lock(&priv->mutex); | |
1044 | ||
a97b478c | 1045 | if (priv->nvifs >= ATH9K_HTC_MAX_VIF) { |
ab77c70a | 1046 | mutex_unlock(&priv->mutex); |
0df8359a SM |
1047 | return -ENOBUFS; |
1048 | } | |
1049 | ||
1050 | if (priv->num_ibss_vif || | |
1051 | (priv->nvifs && vif->type == NL80211_IFTYPE_ADHOC)) { | |
1052 | ath_err(common, "IBSS coexistence with other modes is not allowed\n"); | |
1053 | mutex_unlock(&priv->mutex); | |
1054 | return -ENOBUFS; | |
fb9987d0 S |
1055 | } |
1056 | ||
da8d9d93 SM |
1057 | if (((vif->type == NL80211_IFTYPE_AP) || |
1058 | (vif->type == NL80211_IFTYPE_ADHOC)) && | |
1059 | ((priv->num_ap_vif + priv->num_ibss_vif) >= ATH9K_HTC_MAX_BCN_VIF)) { | |
1060 | ath_err(common, "Max. number of beaconing interfaces reached\n"); | |
1061 | mutex_unlock(&priv->mutex); | |
1062 | return -ENOBUFS; | |
1063 | } | |
1064 | ||
bde748a4 | 1065 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
1066 | memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif)); |
1067 | memcpy(&hvif.myaddr, vif->addr, ETH_ALEN); | |
1068 | ||
1069 | switch (vif->type) { | |
1070 | case NL80211_IFTYPE_STATION: | |
e4c62506 | 1071 | hvif.opmode = HTC_M_STA; |
fb9987d0 S |
1072 | break; |
1073 | case NL80211_IFTYPE_ADHOC: | |
e4c62506 | 1074 | hvif.opmode = HTC_M_IBSS; |
fb9987d0 | 1075 | break; |
da8d9d93 | 1076 | case NL80211_IFTYPE_AP: |
e4c62506 | 1077 | hvif.opmode = HTC_M_HOSTAP; |
da8d9d93 | 1078 | break; |
fb9987d0 | 1079 | default: |
3800276a | 1080 | ath_err(common, |
fb9987d0 S |
1081 | "Interface type %d not yet supported\n", vif->type); |
1082 | ret = -EOPNOTSUPP; | |
1083 | goto out; | |
1084 | } | |
1085 | ||
fb9987d0 | 1086 | /* Index starts from zero on the target */ |
a97b478c | 1087 | avp->index = hvif.index = ffz(priv->vif_slot); |
fb9987d0 S |
1088 | hvif.rtsthreshold = cpu_to_be16(2304); |
1089 | WMI_CMD_BUF(WMI_VAP_CREATE_CMDID, &hvif); | |
1090 | if (ret) | |
1091 | goto out; | |
1092 | ||
fb9987d0 S |
1093 | /* |
1094 | * We need a node in target to tx mgmt frames | |
1095 | * before association. | |
1096 | */ | |
1097 | ret = ath9k_htc_add_station(priv, vif, NULL); | |
ab77c70a SM |
1098 | if (ret) { |
1099 | WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif); | |
fb9987d0 | 1100 | goto out; |
ab77c70a | 1101 | } |
fb9987d0 | 1102 | |
585895cd SM |
1103 | ath9k_htc_set_bssid_mask(priv, vif); |
1104 | ||
a97b478c | 1105 | priv->vif_slot |= (1 << avp->index); |
ab77c70a | 1106 | priv->nvifs++; |
a97b478c | 1107 | |
0df8359a | 1108 | INC_VIF(priv, vif->type); |
832f6a18 SM |
1109 | |
1110 | if ((vif->type == NL80211_IFTYPE_AP) || | |
1111 | (vif->type == NL80211_IFTYPE_ADHOC)) | |
1112 | ath9k_htc_assign_bslot(priv, vif); | |
1113 | ||
ffbe7c83 | 1114 | ath9k_htc_set_opmode(priv); |
0df8359a | 1115 | |
a236254c | 1116 | if ((priv->ah->opmode == NL80211_IFTYPE_AP) && |
9b674a02 SM |
1117 | !(priv->op_flags & OP_ANI_RUNNING)) { |
1118 | ath9k_hw_set_tsfadjust(priv->ah, 1); | |
a236254c | 1119 | ath9k_htc_start_ani(priv); |
9b674a02 | 1120 | } |
a236254c | 1121 | |
a97b478c SM |
1122 | ath_dbg(common, ATH_DBG_CONFIG, |
1123 | "Attach a VIF of type: %d at idx: %d\n", vif->type, avp->index); | |
1124 | ||
fb9987d0 | 1125 | out: |
bde748a4 | 1126 | ath9k_htc_ps_restore(priv); |
fb9987d0 | 1127 | mutex_unlock(&priv->mutex); |
cb551df2 | 1128 | |
fb9987d0 S |
1129 | return ret; |
1130 | } | |
1131 | ||
1132 | static void ath9k_htc_remove_interface(struct ieee80211_hw *hw, | |
1133 | struct ieee80211_vif *vif) | |
1134 | { | |
1135 | struct ath9k_htc_priv *priv = hw->priv; | |
1136 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
1137 | struct ath9k_htc_vif *avp = (void *)vif->drv_priv; | |
1138 | struct ath9k_htc_target_vif hvif; | |
1139 | int ret = 0; | |
1140 | u8 cmd_rsp; | |
1141 | ||
fb9987d0 | 1142 | mutex_lock(&priv->mutex); |
cb551df2 | 1143 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
1144 | |
1145 | memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif)); | |
1146 | memcpy(&hvif.myaddr, vif->addr, ETH_ALEN); | |
1147 | hvif.index = avp->index; | |
1148 | WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif); | |
0ff2b5c0 SM |
1149 | if (ret) { |
1150 | ath_err(common, "Unable to remove interface at idx: %d\n", | |
1151 | avp->index); | |
1152 | } | |
fb9987d0 | 1153 | priv->nvifs--; |
a97b478c | 1154 | priv->vif_slot &= ~(1 << avp->index); |
fb9987d0 S |
1155 | |
1156 | ath9k_htc_remove_station(priv, vif, NULL); | |
fb9987d0 | 1157 | |
0df8359a | 1158 | DEC_VIF(priv, vif->type); |
832f6a18 SM |
1159 | |
1160 | if ((vif->type == NL80211_IFTYPE_AP) || | |
1161 | (vif->type == NL80211_IFTYPE_ADHOC)) | |
1162 | ath9k_htc_remove_bslot(priv, vif); | |
1163 | ||
ffbe7c83 | 1164 | ath9k_htc_set_opmode(priv); |
0df8359a | 1165 | |
db32124a SM |
1166 | ath9k_htc_set_bssid_mask(priv, vif); |
1167 | ||
a236254c SM |
1168 | /* |
1169 | * Stop ANI only if there are no associated station interfaces. | |
1170 | */ | |
1171 | if ((vif->type == NL80211_IFTYPE_AP) && (priv->num_ap_vif == 0)) { | |
1172 | priv->rearm_ani = false; | |
1173 | ieee80211_iterate_active_interfaces_atomic(priv->hw, | |
1174 | ath9k_htc_vif_iter, priv); | |
1175 | if (!priv->rearm_ani) | |
1176 | ath9k_htc_stop_ani(priv); | |
1177 | } | |
1178 | ||
a97b478c SM |
1179 | ath_dbg(common, ATH_DBG_CONFIG, "Detach Interface at idx: %d\n", avp->index); |
1180 | ||
cb551df2 | 1181 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1182 | mutex_unlock(&priv->mutex); |
1183 | } | |
1184 | ||
1185 | static int ath9k_htc_config(struct ieee80211_hw *hw, u32 changed) | |
1186 | { | |
1187 | struct ath9k_htc_priv *priv = hw->priv; | |
1188 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
1189 | struct ieee80211_conf *conf = &hw->conf; | |
1190 | ||
1191 | mutex_lock(&priv->mutex); | |
1192 | ||
8a8572a8 VN |
1193 | if (changed & IEEE80211_CONF_CHANGE_IDLE) { |
1194 | bool enable_radio = false; | |
1195 | bool idle = !!(conf->flags & IEEE80211_CONF_IDLE); | |
1196 | ||
23367769 | 1197 | mutex_lock(&priv->htc_pm_lock); |
8a8572a8 VN |
1198 | if (!idle && priv->ps_idle) |
1199 | enable_radio = true; | |
8a8572a8 | 1200 | priv->ps_idle = idle; |
23367769 | 1201 | mutex_unlock(&priv->htc_pm_lock); |
8a8572a8 VN |
1202 | |
1203 | if (enable_radio) { | |
226afe68 JP |
1204 | ath_dbg(common, ATH_DBG_CONFIG, |
1205 | "not-idle: enabling radio\n"); | |
23367769 S |
1206 | ath9k_htc_setpower(priv, ATH9K_PM_AWAKE); |
1207 | ath9k_htc_radio_enable(hw); | |
8a8572a8 VN |
1208 | } |
1209 | } | |
1210 | ||
55de80d6 SM |
1211 | /* |
1212 | * Monitor interface should be added before | |
1213 | * IEEE80211_CONF_CHANGE_CHANNEL is handled. | |
1214 | */ | |
1215 | if (changed & IEEE80211_CONF_CHANGE_MONITOR) { | |
a97b478c SM |
1216 | if ((conf->flags & IEEE80211_CONF_MONITOR) && |
1217 | !priv->ah->is_monitoring) | |
1218 | ath9k_htc_add_monitor_interface(priv); | |
1219 | else if (priv->ah->is_monitoring) | |
1220 | ath9k_htc_remove_monitor_interface(priv); | |
55de80d6 SM |
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; | |
b2a5c3df RM |
1255 | ath9k_cmn_update_txpow(priv->ah, priv->curtxpow, |
1256 | priv->txpowlimit, &priv->curtxpow); | |
692d6b17 SM |
1257 | } |
1258 | ||
23367769 S |
1259 | if (changed & IEEE80211_CONF_CHANGE_IDLE) { |
1260 | mutex_lock(&priv->htc_pm_lock); | |
1261 | if (!priv->ps_idle) { | |
1262 | mutex_unlock(&priv->htc_pm_lock); | |
1263 | goto out; | |
1264 | } | |
1265 | mutex_unlock(&priv->htc_pm_lock); | |
1266 | ||
226afe68 JP |
1267 | ath_dbg(common, ATH_DBG_CONFIG, |
1268 | "idle: disabling radio\n"); | |
881ac6a5 | 1269 | ath9k_htc_radio_disable(hw); |
8a8572a8 VN |
1270 | } |
1271 | ||
23367769 | 1272 | out: |
fb9987d0 | 1273 | mutex_unlock(&priv->mutex); |
fb9987d0 S |
1274 | return 0; |
1275 | } | |
1276 | ||
1277 | #define SUPPORTED_FILTERS \ | |
1278 | (FIF_PROMISC_IN_BSS | \ | |
1279 | FIF_ALLMULTI | \ | |
1280 | FIF_CONTROL | \ | |
1281 | FIF_PSPOLL | \ | |
1282 | FIF_OTHER_BSS | \ | |
1283 | FIF_BCN_PRBRESP_PROMISC | \ | |
94a40c0c | 1284 | FIF_PROBE_REQ | \ |
fb9987d0 S |
1285 | FIF_FCSFAIL) |
1286 | ||
1287 | static void ath9k_htc_configure_filter(struct ieee80211_hw *hw, | |
1288 | unsigned int changed_flags, | |
1289 | unsigned int *total_flags, | |
1290 | u64 multicast) | |
1291 | { | |
1292 | struct ath9k_htc_priv *priv = hw->priv; | |
1293 | u32 rfilt; | |
1294 | ||
1295 | mutex_lock(&priv->mutex); | |
fb9987d0 S |
1296 | changed_flags &= SUPPORTED_FILTERS; |
1297 | *total_flags &= SUPPORTED_FILTERS; | |
1298 | ||
565dfefb RM |
1299 | if (priv->op_flags & OP_INVALID) { |
1300 | ath_dbg(ath9k_hw_common(priv->ah), ATH_DBG_ANY, | |
1301 | "Unable to configure filter on invalid state\n"); | |
1ba45b9e | 1302 | mutex_unlock(&priv->mutex); |
565dfefb RM |
1303 | return; |
1304 | } | |
1305 | ath9k_htc_ps_wakeup(priv); | |
1306 | ||
fb9987d0 | 1307 | priv->rxfilter = *total_flags; |
0995d110 | 1308 | rfilt = ath9k_htc_calcrxfilter(priv); |
fb9987d0 S |
1309 | ath9k_hw_setrxfilter(priv->ah, rfilt); |
1310 | ||
226afe68 JP |
1311 | ath_dbg(ath9k_hw_common(priv->ah), ATH_DBG_CONFIG, |
1312 | "Set HW RX filter: 0x%x\n", rfilt); | |
fb9987d0 | 1313 | |
bde748a4 | 1314 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1315 | mutex_unlock(&priv->mutex); |
1316 | } | |
1317 | ||
abd984e6 S |
1318 | static int ath9k_htc_sta_add(struct ieee80211_hw *hw, |
1319 | struct ieee80211_vif *vif, | |
1320 | struct ieee80211_sta *sta) | |
fb9987d0 S |
1321 | { |
1322 | struct ath9k_htc_priv *priv = hw->priv; | |
1323 | int ret; | |
1324 | ||
05a30f9c | 1325 | mutex_lock(&priv->mutex); |
cb551df2 | 1326 | ath9k_htc_ps_wakeup(priv); |
abd984e6 S |
1327 | ret = ath9k_htc_add_station(priv, vif, sta); |
1328 | if (!ret) | |
1329 | ath9k_htc_init_rate(priv, sta); | |
1330 | ath9k_htc_ps_restore(priv); | |
1331 | mutex_unlock(&priv->mutex); | |
05a30f9c | 1332 | |
abd984e6 S |
1333 | return ret; |
1334 | } | |
1335 | ||
1336 | static int ath9k_htc_sta_remove(struct ieee80211_hw *hw, | |
1337 | struct ieee80211_vif *vif, | |
1338 | struct ieee80211_sta *sta) | |
1339 | { | |
1340 | struct ath9k_htc_priv *priv = hw->priv; | |
84c9e164 | 1341 | struct ath9k_htc_sta *ista; |
abd984e6 | 1342 | int ret; |
05a30f9c | 1343 | |
abd984e6 S |
1344 | mutex_lock(&priv->mutex); |
1345 | ath9k_htc_ps_wakeup(priv); | |
84c9e164 SM |
1346 | ista = (struct ath9k_htc_sta *) sta->drv_priv; |
1347 | htc_sta_drain(priv->htc, ista->index); | |
abd984e6 | 1348 | ret = ath9k_htc_remove_station(priv, vif, sta); |
cb551df2 | 1349 | ath9k_htc_ps_restore(priv); |
05a30f9c | 1350 | mutex_unlock(&priv->mutex); |
abd984e6 S |
1351 | |
1352 | return ret; | |
fb9987d0 S |
1353 | } |
1354 | ||
8a3a3c85 EP |
1355 | static int ath9k_htc_conf_tx(struct ieee80211_hw *hw, |
1356 | struct ieee80211_vif *vif, u16 queue, | |
fb9987d0 S |
1357 | const struct ieee80211_tx_queue_params *params) |
1358 | { | |
1359 | struct ath9k_htc_priv *priv = hw->priv; | |
1360 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
1361 | struct ath9k_tx_queue_info qi; | |
1362 | int ret = 0, qnum; | |
1363 | ||
1364 | if (queue >= WME_NUM_AC) | |
1365 | return 0; | |
1366 | ||
1367 | mutex_lock(&priv->mutex); | |
cb551df2 | 1368 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
1369 | |
1370 | memset(&qi, 0, sizeof(struct ath9k_tx_queue_info)); | |
1371 | ||
1372 | qi.tqi_aifs = params->aifs; | |
1373 | qi.tqi_cwmin = params->cw_min; | |
1374 | qi.tqi_cwmax = params->cw_max; | |
1375 | qi.tqi_burstTime = params->txop; | |
1376 | ||
1377 | qnum = get_hw_qnum(queue, priv->hwq_map); | |
1378 | ||
226afe68 JP |
1379 | ath_dbg(common, ATH_DBG_CONFIG, |
1380 | "Configure tx [queue/hwq] [%d/%d], aifs: %d, cw_min: %d, cw_max: %d, txop: %d\n", | |
1381 | queue, qnum, params->aifs, params->cw_min, | |
1382 | params->cw_max, params->txop); | |
fb9987d0 | 1383 | |
e1572c5e | 1384 | ret = ath_htc_txq_update(priv, qnum, &qi); |
764580f5 | 1385 | if (ret) { |
3800276a | 1386 | ath_err(common, "TXQ Update failed\n"); |
764580f5 S |
1387 | goto out; |
1388 | } | |
fb9987d0 | 1389 | |
764580f5 | 1390 | if ((priv->ah->opmode == NL80211_IFTYPE_ADHOC) && |
e8c35a77 | 1391 | (qnum == priv->hwq_map[WME_AC_BE])) |
764580f5 S |
1392 | ath9k_htc_beaconq_config(priv); |
1393 | out: | |
cb551df2 | 1394 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1395 | mutex_unlock(&priv->mutex); |
1396 | ||
1397 | return ret; | |
1398 | } | |
1399 | ||
1400 | static int ath9k_htc_set_key(struct ieee80211_hw *hw, | |
1401 | enum set_key_cmd cmd, | |
1402 | struct ieee80211_vif *vif, | |
1403 | struct ieee80211_sta *sta, | |
1404 | struct ieee80211_key_conf *key) | |
1405 | { | |
1406 | struct ath9k_htc_priv *priv = hw->priv; | |
1407 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
1408 | int ret = 0; | |
1409 | ||
e1572c5e | 1410 | if (htc_modparam_nohwcrypt) |
fb9987d0 S |
1411 | return -ENOSPC; |
1412 | ||
1413 | mutex_lock(&priv->mutex); | |
226afe68 | 1414 | ath_dbg(common, ATH_DBG_CONFIG, "Set HW Key\n"); |
bde748a4 | 1415 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
1416 | |
1417 | switch (cmd) { | |
1418 | case SET_KEY: | |
040e539e | 1419 | ret = ath_key_config(common, vif, sta, key); |
fb9987d0 S |
1420 | if (ret >= 0) { |
1421 | key->hw_key_idx = ret; | |
1422 | /* push IV and Michael MIC generation to stack */ | |
1423 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; | |
97359d12 | 1424 | if (key->cipher == WLAN_CIPHER_SUITE_TKIP) |
fb9987d0 | 1425 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; |
97359d12 JB |
1426 | if (priv->ah->sw_mgmt_crypto && |
1427 | key->cipher == WLAN_CIPHER_SUITE_CCMP) | |
fb9987d0 S |
1428 | key->flags |= IEEE80211_KEY_FLAG_SW_MGMT; |
1429 | ret = 0; | |
1430 | } | |
1431 | break; | |
1432 | case DISABLE_KEY: | |
040e539e | 1433 | ath_key_delete(common, key); |
fb9987d0 S |
1434 | break; |
1435 | default: | |
1436 | ret = -EINVAL; | |
1437 | } | |
1438 | ||
bde748a4 | 1439 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1440 | mutex_unlock(&priv->mutex); |
1441 | ||
1442 | return ret; | |
1443 | } | |
1444 | ||
0cd075d7 SM |
1445 | static void ath9k_htc_set_bssid(struct ath9k_htc_priv *priv) |
1446 | { | |
1447 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
1448 | ||
1449 | ath9k_hw_write_associd(priv->ah); | |
1450 | ath_dbg(common, ATH_DBG_CONFIG, | |
1451 | "BSSID: %pM aid: 0x%x\n", | |
1452 | common->curbssid, common->curaid); | |
1453 | } | |
1454 | ||
1455 | static void ath9k_htc_bss_iter(void *data, u8 *mac, struct ieee80211_vif *vif) | |
1456 | { | |
1457 | struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *)data; | |
1458 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
1459 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
1460 | ||
1461 | if ((vif->type == NL80211_IFTYPE_STATION) && bss_conf->assoc) { | |
1462 | common->curaid = bss_conf->aid; | |
1463 | memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN); | |
1464 | } | |
1465 | } | |
1466 | ||
1467 | static void ath9k_htc_choose_set_bssid(struct ath9k_htc_priv *priv) | |
1468 | { | |
1469 | if (priv->num_sta_assoc_vif == 1) { | |
1470 | ieee80211_iterate_active_interfaces_atomic(priv->hw, | |
1471 | ath9k_htc_bss_iter, priv); | |
1472 | ath9k_htc_set_bssid(priv); | |
1473 | } | |
1474 | } | |
1475 | ||
fb9987d0 S |
1476 | static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw, |
1477 | struct ieee80211_vif *vif, | |
1478 | struct ieee80211_bss_conf *bss_conf, | |
1479 | u32 changed) | |
1480 | { | |
1481 | struct ath9k_htc_priv *priv = hw->priv; | |
1482 | struct ath_hw *ah = priv->ah; | |
1483 | struct ath_common *common = ath9k_hw_common(ah); | |
1484 | ||
1485 | mutex_lock(&priv->mutex); | |
bde748a4 | 1486 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
1487 | |
1488 | if (changed & BSS_CHANGED_ASSOC) { | |
0cd075d7 SM |
1489 | ath_dbg(common, ATH_DBG_CONFIG, "BSS Changed ASSOC %d\n", |
1490 | bss_conf->assoc); | |
e7a2a4f5 | 1491 | |
0cd075d7 SM |
1492 | bss_conf->assoc ? |
1493 | priv->num_sta_assoc_vif++ : priv->num_sta_assoc_vif--; | |
e7a2a4f5 | 1494 | |
0cd075d7 SM |
1495 | if (priv->ah->opmode == NL80211_IFTYPE_STATION) { |
1496 | if (bss_conf->assoc && (priv->num_sta_assoc_vif == 1)) | |
e7a2a4f5 | 1497 | ath9k_htc_start_ani(priv); |
0cd075d7 | 1498 | else if (priv->num_sta_assoc_vif == 0) |
e7a2a4f5 SM |
1499 | ath9k_htc_stop_ani(priv); |
1500 | } | |
fb9987d0 S |
1501 | } |
1502 | ||
1503 | if (changed & BSS_CHANGED_BSSID) { | |
0cd075d7 SM |
1504 | if (priv->ah->opmode == NL80211_IFTYPE_ADHOC) { |
1505 | common->curaid = bss_conf->aid; | |
e7a2a4f5 | 1506 | memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN); |
0cd075d7 SM |
1507 | ath9k_htc_set_bssid(priv); |
1508 | } else if (priv->ah->opmode == NL80211_IFTYPE_STATION) { | |
1509 | ath9k_htc_choose_set_bssid(priv); | |
e7a2a4f5 | 1510 | } |
fb9987d0 S |
1511 | } |
1512 | ||
a5fae37d SM |
1513 | if ((changed & BSS_CHANGED_BEACON_ENABLED) && bss_conf->enable_beacon) { |
1514 | ath_dbg(common, ATH_DBG_CONFIG, | |
1515 | "Beacon enabled for BSS: %pM\n", bss_conf->bssid); | |
9b674a02 | 1516 | ath9k_htc_set_tsfadjust(priv, vif); |
fb9987d0 | 1517 | priv->op_flags |= OP_ENABLE_BEACON; |
1c3652a5 | 1518 | ath9k_htc_beacon_config(priv, vif); |
fb9987d0 S |
1519 | } |
1520 | ||
a5fae37d SM |
1521 | if ((changed & BSS_CHANGED_BEACON_ENABLED) && !bss_conf->enable_beacon) { |
1522 | /* | |
1523 | * Disable SWBA interrupt only if there are no | |
1524 | * AP/IBSS interfaces. | |
1525 | */ | |
1526 | if ((priv->num_ap_vif <= 1) || priv->num_ibss_vif) { | |
1527 | ath_dbg(common, ATH_DBG_CONFIG, | |
1528 | "Beacon disabled for BSS: %pM\n", | |
1529 | bss_conf->bssid); | |
1530 | priv->op_flags &= ~OP_ENABLE_BEACON; | |
1531 | ath9k_htc_beacon_config(priv, vif); | |
1532 | } | |
1533 | } | |
1534 | ||
1535 | if (changed & BSS_CHANGED_BEACON_INT) { | |
1536 | /* | |
1537 | * Reset the HW TSF for the first AP interface. | |
1538 | */ | |
1539 | if ((priv->ah->opmode == NL80211_IFTYPE_AP) && | |
1540 | (priv->nvifs == 1) && | |
1541 | (priv->num_ap_vif == 1) && | |
1542 | (vif->type == NL80211_IFTYPE_AP)) { | |
1543 | priv->op_flags |= OP_TSF_RESET; | |
1544 | } | |
1545 | ath_dbg(common, ATH_DBG_CONFIG, | |
1546 | "Beacon interval changed for BSS: %pM\n", | |
1547 | bss_conf->bssid); | |
1c3652a5 | 1548 | ath9k_htc_beacon_config(priv, vif); |
fb9987d0 S |
1549 | } |
1550 | ||
fb9987d0 S |
1551 | if (changed & BSS_CHANGED_ERP_SLOT) { |
1552 | if (bss_conf->use_short_slot) | |
1553 | ah->slottime = 9; | |
1554 | else | |
1555 | ah->slottime = 20; | |
1556 | ||
1557 | ath9k_hw_init_global_settings(ah); | |
1558 | } | |
1559 | ||
2c76ef89 S |
1560 | if (changed & BSS_CHANGED_HT) |
1561 | ath9k_htc_update_rate(priv, vif, bss_conf); | |
1562 | ||
bde748a4 | 1563 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1564 | mutex_unlock(&priv->mutex); |
1565 | } | |
1566 | ||
37a41b4a EP |
1567 | static u64 ath9k_htc_get_tsf(struct ieee80211_hw *hw, |
1568 | struct ieee80211_vif *vif) | |
fb9987d0 S |
1569 | { |
1570 | struct ath9k_htc_priv *priv = hw->priv; | |
1571 | u64 tsf; | |
1572 | ||
1573 | mutex_lock(&priv->mutex); | |
cb551df2 | 1574 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 | 1575 | tsf = ath9k_hw_gettsf64(priv->ah); |
cb551df2 | 1576 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1577 | mutex_unlock(&priv->mutex); |
1578 | ||
1579 | return tsf; | |
1580 | } | |
1581 | ||
37a41b4a EP |
1582 | static void ath9k_htc_set_tsf(struct ieee80211_hw *hw, |
1583 | struct ieee80211_vif *vif, u64 tsf) | |
fb9987d0 S |
1584 | { |
1585 | struct ath9k_htc_priv *priv = hw->priv; | |
1586 | ||
1587 | mutex_lock(&priv->mutex); | |
cb551df2 | 1588 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 | 1589 | ath9k_hw_settsf64(priv->ah, tsf); |
cb551df2 | 1590 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1591 | mutex_unlock(&priv->mutex); |
1592 | } | |
1593 | ||
37a41b4a EP |
1594 | static void ath9k_htc_reset_tsf(struct ieee80211_hw *hw, |
1595 | struct ieee80211_vif *vif) | |
fb9987d0 S |
1596 | { |
1597 | struct ath9k_htc_priv *priv = hw->priv; | |
1598 | ||
1599 | mutex_lock(&priv->mutex); | |
cb551df2 | 1600 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 | 1601 | ath9k_hw_reset_tsf(priv->ah); |
bde748a4 | 1602 | ath9k_htc_ps_restore(priv); |
cb551df2 | 1603 | mutex_unlock(&priv->mutex); |
fb9987d0 S |
1604 | } |
1605 | ||
1606 | static int ath9k_htc_ampdu_action(struct ieee80211_hw *hw, | |
1607 | struct ieee80211_vif *vif, | |
1608 | enum ieee80211_ampdu_mlme_action action, | |
1609 | struct ieee80211_sta *sta, | |
0b01f030 | 1610 | u16 tid, u16 *ssn, u8 buf_size) |
fb9987d0 S |
1611 | { |
1612 | struct ath9k_htc_priv *priv = hw->priv; | |
fb9987d0 | 1613 | struct ath9k_htc_sta *ista; |
d7ca2139 | 1614 | int ret = 0; |
fb9987d0 | 1615 | |
87df8957 | 1616 | mutex_lock(&priv->mutex); |
c58ca5b5 | 1617 | ath9k_htc_ps_wakeup(priv); |
87df8957 | 1618 | |
fb9987d0 S |
1619 | switch (action) { |
1620 | case IEEE80211_AMPDU_RX_START: | |
1621 | break; | |
1622 | case IEEE80211_AMPDU_RX_STOP: | |
1623 | break; | |
1624 | case IEEE80211_AMPDU_TX_START: | |
d7ca2139 S |
1625 | ret = ath9k_htc_tx_aggr_oper(priv, vif, sta, action, tid); |
1626 | if (!ret) | |
1627 | ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
1628 | break; | |
fb9987d0 | 1629 | case IEEE80211_AMPDU_TX_STOP: |
d7ca2139 S |
1630 | ath9k_htc_tx_aggr_oper(priv, vif, sta, action, tid); |
1631 | ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
fb9987d0 S |
1632 | break; |
1633 | case IEEE80211_AMPDU_TX_OPERATIONAL: | |
1634 | ista = (struct ath9k_htc_sta *) sta->drv_priv; | |
658ef04f | 1635 | spin_lock_bh(&priv->tx.tx_lock); |
fb9987d0 | 1636 | ista->tid_state[tid] = AGGR_OPERATIONAL; |
658ef04f | 1637 | spin_unlock_bh(&priv->tx.tx_lock); |
fb9987d0 S |
1638 | break; |
1639 | default: | |
3800276a | 1640 | ath_err(ath9k_hw_common(priv->ah), "Unknown AMPDU action\n"); |
fb9987d0 S |
1641 | } |
1642 | ||
c58ca5b5 | 1643 | ath9k_htc_ps_restore(priv); |
87df8957 SM |
1644 | mutex_unlock(&priv->mutex); |
1645 | ||
d7ca2139 | 1646 | return ret; |
fb9987d0 S |
1647 | } |
1648 | ||
1649 | static void ath9k_htc_sw_scan_start(struct ieee80211_hw *hw) | |
1650 | { | |
1651 | struct ath9k_htc_priv *priv = hw->priv; | |
1652 | ||
1653 | mutex_lock(&priv->mutex); | |
1654 | spin_lock_bh(&priv->beacon_lock); | |
1655 | priv->op_flags |= OP_SCANNING; | |
1656 | spin_unlock_bh(&priv->beacon_lock); | |
bde748a4 | 1657 | cancel_work_sync(&priv->ps_work); |
a236254c | 1658 | ath9k_htc_stop_ani(priv); |
fb9987d0 S |
1659 | mutex_unlock(&priv->mutex); |
1660 | } | |
1661 | ||
1662 | static void ath9k_htc_sw_scan_complete(struct ieee80211_hw *hw) | |
1663 | { | |
1664 | struct ath9k_htc_priv *priv = hw->priv; | |
1665 | ||
1666 | mutex_lock(&priv->mutex); | |
1667 | spin_lock_bh(&priv->beacon_lock); | |
1668 | priv->op_flags &= ~OP_SCANNING; | |
1669 | spin_unlock_bh(&priv->beacon_lock); | |
7c277349 SM |
1670 | ath9k_htc_ps_wakeup(priv); |
1671 | ath9k_htc_vif_reconfig(priv); | |
bde748a4 | 1672 | ath9k_htc_ps_restore(priv); |
cb551df2 | 1673 | mutex_unlock(&priv->mutex); |
fb9987d0 S |
1674 | } |
1675 | ||
1676 | static int ath9k_htc_set_rts_threshold(struct ieee80211_hw *hw, u32 value) | |
1677 | { | |
1678 | return 0; | |
1679 | } | |
1680 | ||
1681 | static void ath9k_htc_set_coverage_class(struct ieee80211_hw *hw, | |
1682 | u8 coverage_class) | |
1683 | { | |
1684 | struct ath9k_htc_priv *priv = hw->priv; | |
1685 | ||
1686 | mutex_lock(&priv->mutex); | |
cb551df2 | 1687 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
1688 | priv->ah->coverage_class = coverage_class; |
1689 | ath9k_hw_init_global_settings(priv->ah); | |
cb551df2 | 1690 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1691 | mutex_unlock(&priv->mutex); |
1692 | } | |
1693 | ||
e2186b7c SM |
1694 | /* |
1695 | * Currently, this is used only for selecting the minimum rate | |
1696 | * for management frames, rate selection for data frames remain | |
1697 | * unaffected. | |
1698 | */ | |
1699 | static int ath9k_htc_set_bitrate_mask(struct ieee80211_hw *hw, | |
1700 | struct ieee80211_vif *vif, | |
1701 | const struct cfg80211_bitrate_mask *mask) | |
1702 | { | |
1703 | struct ath9k_htc_priv *priv = hw->priv; | |
1704 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
1705 | struct ath9k_htc_target_rate_mask tmask; | |
1706 | struct ath9k_htc_vif *avp = (void *)vif->drv_priv; | |
1707 | int ret = 0; | |
1708 | u8 cmd_rsp; | |
1709 | ||
1710 | memset(&tmask, 0, sizeof(struct ath9k_htc_target_rate_mask)); | |
1711 | ||
1712 | tmask.vif_index = avp->index; | |
1713 | tmask.band = IEEE80211_BAND_2GHZ; | |
1714 | tmask.mask = cpu_to_be32(mask->control[IEEE80211_BAND_2GHZ].legacy); | |
1715 | ||
1716 | WMI_CMD_BUF(WMI_BITRATE_MASK_CMDID, &tmask); | |
1717 | if (ret) { | |
1718 | ath_err(common, | |
1719 | "Unable to set 2G rate mask for " | |
1720 | "interface at idx: %d\n", avp->index); | |
1721 | goto out; | |
1722 | } | |
1723 | ||
1724 | tmask.band = IEEE80211_BAND_5GHZ; | |
1725 | tmask.mask = cpu_to_be32(mask->control[IEEE80211_BAND_5GHZ].legacy); | |
1726 | ||
1727 | WMI_CMD_BUF(WMI_BITRATE_MASK_CMDID, &tmask); | |
1728 | if (ret) { | |
1729 | ath_err(common, | |
1730 | "Unable to set 5G rate mask for " | |
1731 | "interface at idx: %d\n", avp->index); | |
1732 | goto out; | |
1733 | } | |
1734 | ||
1735 | ath_dbg(common, ATH_DBG_CONFIG, | |
1736 | "Set bitrate masks: 0x%x, 0x%x\n", | |
1737 | mask->control[IEEE80211_BAND_2GHZ].legacy, | |
1738 | mask->control[IEEE80211_BAND_5GHZ].legacy); | |
1739 | out: | |
1740 | return ret; | |
1741 | } | |
1742 | ||
5fa71984 MSS |
1743 | |
1744 | static int ath9k_htc_get_stats(struct ieee80211_hw *hw, | |
1745 | struct ieee80211_low_level_stats *stats) | |
1746 | { | |
1747 | struct ath9k_htc_priv *priv = hw->priv; | |
1748 | struct ath_hw *ah = priv->ah; | |
1749 | struct ath9k_mib_stats *mib_stats = &ah->ah_mibStats; | |
1750 | ||
1751 | stats->dot11ACKFailureCount = mib_stats->ackrcv_bad; | |
1752 | stats->dot11RTSFailureCount = mib_stats->rts_bad; | |
1753 | stats->dot11FCSErrorCount = mib_stats->fcs_bad; | |
1754 | stats->dot11RTSSuccessCount = mib_stats->rts_good; | |
1755 | ||
1756 | return 0; | |
1757 | } | |
1758 | ||
fb9987d0 S |
1759 | struct ieee80211_ops ath9k_htc_ops = { |
1760 | .tx = ath9k_htc_tx, | |
1761 | .start = ath9k_htc_start, | |
1762 | .stop = ath9k_htc_stop, | |
1763 | .add_interface = ath9k_htc_add_interface, | |
1764 | .remove_interface = ath9k_htc_remove_interface, | |
1765 | .config = ath9k_htc_config, | |
1766 | .configure_filter = ath9k_htc_configure_filter, | |
abd984e6 S |
1767 | .sta_add = ath9k_htc_sta_add, |
1768 | .sta_remove = ath9k_htc_sta_remove, | |
fb9987d0 S |
1769 | .conf_tx = ath9k_htc_conf_tx, |
1770 | .bss_info_changed = ath9k_htc_bss_info_changed, | |
1771 | .set_key = ath9k_htc_set_key, | |
1772 | .get_tsf = ath9k_htc_get_tsf, | |
1773 | .set_tsf = ath9k_htc_set_tsf, | |
1774 | .reset_tsf = ath9k_htc_reset_tsf, | |
1775 | .ampdu_action = ath9k_htc_ampdu_action, | |
1776 | .sw_scan_start = ath9k_htc_sw_scan_start, | |
1777 | .sw_scan_complete = ath9k_htc_sw_scan_complete, | |
1778 | .set_rts_threshold = ath9k_htc_set_rts_threshold, | |
1779 | .rfkill_poll = ath9k_htc_rfkill_poll_state, | |
1780 | .set_coverage_class = ath9k_htc_set_coverage_class, | |
e2186b7c | 1781 | .set_bitrate_mask = ath9k_htc_set_bitrate_mask, |
5fa71984 | 1782 | .get_stats = ath9k_htc_get_stats, |
fb9987d0 | 1783 | }; |