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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 | ||
27 | static void ath_update_txpow(struct ath9k_htc_priv *priv) | |
28 | { | |
29 | struct ath_hw *ah = priv->ah; | |
fb9987d0 S |
30 | |
31 | if (priv->curtxpow != priv->txpowlimit) { | |
32 | ath9k_hw_set_txpowerlimit(ah, priv->txpowlimit); | |
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 | ||
bde748a4 VN |
66 | static bool ath9k_htc_setpower(struct ath9k_htc_priv *priv, |
67 | enum ath9k_power_mode mode) | |
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 | ||
fb9987d0 S |
119 | static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv, |
120 | struct ieee80211_hw *hw, | |
121 | struct ath9k_channel *hchan) | |
122 | { | |
123 | struct ath_hw *ah = priv->ah; | |
124 | struct ath_common *common = ath9k_hw_common(ah); | |
125 | struct ieee80211_conf *conf = &common->hw->conf; | |
126 | bool fastcc = true; | |
127 | struct ieee80211_channel *channel = hw->conf.channel; | |
20bd2a09 | 128 | struct ath9k_hw_cal_data *caldata; |
fb9987d0 | 129 | enum htc_phymode mode; |
7f1f5a00 | 130 | __be16 htc_mode; |
fb9987d0 S |
131 | u8 cmd_rsp; |
132 | int ret; | |
133 | ||
134 | if (priv->op_flags & OP_INVALID) | |
135 | return -EIO; | |
136 | ||
137 | if (priv->op_flags & OP_FULL_RESET) | |
138 | fastcc = false; | |
139 | ||
140 | /* Fiddle around with fastcc later on, for now just use full reset */ | |
141 | fastcc = false; | |
bde748a4 | 142 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
143 | htc_stop(priv->htc); |
144 | WMI_CMD(WMI_DISABLE_INTR_CMDID); | |
145 | WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID); | |
146 | WMI_CMD(WMI_STOP_RECV_CMDID); | |
147 | ||
148 | ath_print(common, ATH_DBG_CONFIG, | |
149 | "(%u MHz) -> (%u MHz), HT: %d, HT40: %d\n", | |
150 | priv->ah->curchan->channel, | |
151 | channel->center_freq, conf_is_ht(conf), conf_is_ht40(conf)); | |
152 | ||
20bd2a09 FF |
153 | caldata = &priv->caldata[channel->hw_value]; |
154 | ret = ath9k_hw_reset(ah, hchan, caldata, fastcc); | |
fb9987d0 S |
155 | if (ret) { |
156 | ath_print(common, ATH_DBG_FATAL, | |
157 | "Unable to reset channel (%u Mhz) " | |
158 | "reset status %d\n", channel->center_freq, ret); | |
159 | goto err; | |
160 | } | |
161 | ||
162 | ath_update_txpow(priv); | |
163 | ||
164 | WMI_CMD(WMI_START_RECV_CMDID); | |
165 | if (ret) | |
166 | goto err; | |
167 | ||
168 | ath9k_host_rx_init(priv); | |
169 | ||
170 | mode = ath9k_htc_get_curmode(priv, hchan); | |
171 | htc_mode = cpu_to_be16(mode); | |
172 | WMI_CMD_BUF(WMI_SET_MODE_CMDID, &htc_mode); | |
173 | if (ret) | |
174 | goto err; | |
175 | ||
176 | WMI_CMD(WMI_ENABLE_INTR_CMDID); | |
177 | if (ret) | |
178 | goto err; | |
179 | ||
180 | htc_start(priv->htc); | |
181 | ||
182 | priv->op_flags &= ~OP_FULL_RESET; | |
183 | err: | |
bde748a4 | 184 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
185 | return ret; |
186 | } | |
187 | ||
188 | static int ath9k_htc_add_monitor_interface(struct ath9k_htc_priv *priv) | |
189 | { | |
190 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
191 | struct ath9k_htc_target_vif hvif; | |
192 | int ret = 0; | |
193 | u8 cmd_rsp; | |
194 | ||
195 | if (priv->nvifs > 0) | |
196 | return -ENOBUFS; | |
197 | ||
198 | memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif)); | |
199 | memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN); | |
200 | ||
201 | hvif.opmode = cpu_to_be32(HTC_M_MONITOR); | |
202 | priv->ah->opmode = NL80211_IFTYPE_MONITOR; | |
203 | hvif.index = priv->nvifs; | |
204 | ||
205 | WMI_CMD_BUF(WMI_VAP_CREATE_CMDID, &hvif); | |
206 | if (ret) | |
207 | return ret; | |
208 | ||
209 | priv->nvifs++; | |
210 | return 0; | |
211 | } | |
212 | ||
213 | static int ath9k_htc_remove_monitor_interface(struct ath9k_htc_priv *priv) | |
214 | { | |
215 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
216 | struct ath9k_htc_target_vif hvif; | |
217 | int ret = 0; | |
218 | u8 cmd_rsp; | |
219 | ||
220 | memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif)); | |
221 | memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN); | |
222 | hvif.index = 0; /* Should do for now */ | |
223 | WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif); | |
224 | priv->nvifs--; | |
225 | ||
226 | return ret; | |
227 | } | |
228 | ||
229 | static int ath9k_htc_add_station(struct ath9k_htc_priv *priv, | |
230 | struct ieee80211_vif *vif, | |
231 | struct ieee80211_sta *sta) | |
232 | { | |
233 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
234 | struct ath9k_htc_target_sta tsta; | |
235 | struct ath9k_htc_vif *avp = (struct ath9k_htc_vif *) vif->drv_priv; | |
236 | struct ath9k_htc_sta *ista; | |
237 | int ret; | |
238 | u8 cmd_rsp; | |
239 | ||
240 | if (priv->nstations >= ATH9K_HTC_MAX_STA) | |
241 | return -ENOBUFS; | |
242 | ||
243 | memset(&tsta, 0, sizeof(struct ath9k_htc_target_sta)); | |
244 | ||
245 | if (sta) { | |
246 | ista = (struct ath9k_htc_sta *) sta->drv_priv; | |
247 | memcpy(&tsta.macaddr, sta->addr, ETH_ALEN); | |
248 | memcpy(&tsta.bssid, common->curbssid, ETH_ALEN); | |
249 | tsta.associd = common->curaid; | |
250 | tsta.is_vif_sta = 0; | |
251 | tsta.valid = true; | |
252 | ista->index = priv->nstations; | |
253 | } else { | |
254 | memcpy(&tsta.macaddr, vif->addr, ETH_ALEN); | |
255 | tsta.is_vif_sta = 1; | |
256 | } | |
257 | ||
258 | tsta.sta_index = priv->nstations; | |
259 | tsta.vif_index = avp->index; | |
260 | tsta.maxampdu = 0xffff; | |
261 | if (sta && sta->ht_cap.ht_supported) | |
262 | tsta.flags = cpu_to_be16(ATH_HTC_STA_HT); | |
263 | ||
264 | WMI_CMD_BUF(WMI_NODE_CREATE_CMDID, &tsta); | |
265 | if (ret) { | |
266 | if (sta) | |
267 | ath_print(common, ATH_DBG_FATAL, | |
268 | "Unable to add station entry for: %pM\n", sta->addr); | |
269 | return ret; | |
270 | } | |
271 | ||
272 | if (sta) | |
273 | ath_print(common, ATH_DBG_CONFIG, | |
274 | "Added a station entry for: %pM (idx: %d)\n", | |
275 | sta->addr, tsta.sta_index); | |
276 | ||
277 | priv->nstations++; | |
278 | return 0; | |
279 | } | |
280 | ||
281 | static int ath9k_htc_remove_station(struct ath9k_htc_priv *priv, | |
282 | struct ieee80211_vif *vif, | |
283 | struct ieee80211_sta *sta) | |
284 | { | |
285 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
286 | struct ath9k_htc_sta *ista; | |
287 | int ret; | |
288 | u8 cmd_rsp, sta_idx; | |
289 | ||
290 | if (sta) { | |
291 | ista = (struct ath9k_htc_sta *) sta->drv_priv; | |
292 | sta_idx = ista->index; | |
293 | } else { | |
294 | sta_idx = 0; | |
295 | } | |
296 | ||
297 | WMI_CMD_BUF(WMI_NODE_REMOVE_CMDID, &sta_idx); | |
298 | if (ret) { | |
299 | if (sta) | |
300 | ath_print(common, ATH_DBG_FATAL, | |
301 | "Unable to remove station entry for: %pM\n", | |
302 | sta->addr); | |
303 | return ret; | |
304 | } | |
305 | ||
306 | if (sta) | |
307 | ath_print(common, ATH_DBG_CONFIG, | |
308 | "Removed a station entry for: %pM (idx: %d)\n", | |
309 | sta->addr, sta_idx); | |
310 | ||
311 | priv->nstations--; | |
312 | return 0; | |
313 | } | |
314 | ||
315 | static int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv) | |
316 | { | |
317 | struct ath9k_htc_cap_target tcap; | |
318 | int ret; | |
319 | u8 cmd_rsp; | |
320 | ||
321 | memset(&tcap, 0, sizeof(struct ath9k_htc_cap_target)); | |
322 | ||
323 | /* FIXME: Values are hardcoded */ | |
324 | tcap.flags = 0x240c40; | |
325 | tcap.flags_ext = 0x80601000; | |
326 | tcap.ampdu_limit = 0xffff0000; | |
327 | tcap.ampdu_subframes = 20; | |
29d9075e | 328 | tcap.tx_chainmask_legacy = priv->ah->caps.tx_chainmask; |
fb9987d0 | 329 | tcap.protmode = 1; |
29d9075e | 330 | tcap.tx_chainmask = priv->ah->caps.tx_chainmask; |
fb9987d0 S |
331 | |
332 | WMI_CMD_BUF(WMI_TARGET_IC_UPDATE_CMDID, &tcap); | |
333 | ||
334 | return ret; | |
335 | } | |
336 | ||
0d425a7d S |
337 | static void ath9k_htc_setup_rate(struct ath9k_htc_priv *priv, |
338 | struct ieee80211_sta *sta, | |
339 | struct ath9k_htc_target_rate *trate) | |
fb9987d0 | 340 | { |
fb9987d0 S |
341 | struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv; |
342 | struct ieee80211_supported_band *sband; | |
fb9987d0 | 343 | u32 caps = 0; |
0d425a7d | 344 | int i, j; |
fb9987d0 | 345 | |
ea46e644 | 346 | sband = priv->hw->wiphy->bands[priv->hw->conf.channel->band]; |
fb9987d0 S |
347 | |
348 | for (i = 0, j = 0; i < sband->n_bitrates; i++) { | |
349 | if (sta->supp_rates[sband->band] & BIT(i)) { | |
0d425a7d | 350 | trate->rates.legacy_rates.rs_rates[j] |
fb9987d0 S |
351 | = (sband->bitrates[i].bitrate * 2) / 10; |
352 | j++; | |
353 | } | |
354 | } | |
0d425a7d | 355 | trate->rates.legacy_rates.rs_nrates = j; |
fb9987d0 S |
356 | |
357 | if (sta->ht_cap.ht_supported) { | |
358 | for (i = 0, j = 0; i < 77; i++) { | |
359 | if (sta->ht_cap.mcs.rx_mask[i/8] & (1<<(i%8))) | |
0d425a7d | 360 | trate->rates.ht_rates.rs_rates[j++] = i; |
fb9987d0 S |
361 | if (j == ATH_HTC_RATE_MAX) |
362 | break; | |
363 | } | |
0d425a7d | 364 | trate->rates.ht_rates.rs_nrates = j; |
fb9987d0 S |
365 | |
366 | caps = WLAN_RC_HT_FLAG; | |
3553727c FF |
367 | if (sta->ht_cap.mcs.rx_mask[1]) |
368 | caps |= WLAN_RC_DS_FLAG; | |
71ba186c VN |
369 | if ((sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) && |
370 | (conf_is_ht40(&priv->hw->conf))) | |
fb9987d0 | 371 | caps |= WLAN_RC_40_FLAG; |
b4dec5e8 S |
372 | if (conf_is_ht40(&priv->hw->conf) && |
373 | (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)) | |
374 | caps |= WLAN_RC_SGI_FLAG; | |
375 | else if (conf_is_ht20(&priv->hw->conf) && | |
376 | (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20)) | |
fb9987d0 | 377 | caps |= WLAN_RC_SGI_FLAG; |
fb9987d0 S |
378 | } |
379 | ||
0d425a7d S |
380 | trate->sta_index = ista->index; |
381 | trate->isnew = 1; | |
382 | trate->capflags = cpu_to_be32(caps); | |
383 | } | |
384 | ||
385 | static int ath9k_htc_send_rate_cmd(struct ath9k_htc_priv *priv, | |
386 | struct ath9k_htc_target_rate *trate) | |
387 | { | |
388 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
389 | int ret; | |
390 | u8 cmd_rsp; | |
fb9987d0 | 391 | |
0d425a7d | 392 | WMI_CMD_BUF(WMI_RC_RATE_UPDATE_CMDID, trate); |
fb9987d0 S |
393 | if (ret) { |
394 | ath_print(common, ATH_DBG_FATAL, | |
395 | "Unable to initialize Rate information on target\n"); | |
fb9987d0 S |
396 | } |
397 | ||
0d425a7d | 398 | return ret; |
fb9987d0 S |
399 | } |
400 | ||
0d425a7d S |
401 | static void ath9k_htc_init_rate(struct ath9k_htc_priv *priv, |
402 | struct ieee80211_sta *sta) | |
fb9987d0 | 403 | { |
fb9987d0 | 404 | struct ath_common *common = ath9k_hw_common(priv->ah); |
0d425a7d | 405 | struct ath9k_htc_target_rate trate; |
fb9987d0 | 406 | int ret; |
fb9987d0 | 407 | |
0d425a7d S |
408 | memset(&trate, 0, sizeof(struct ath9k_htc_target_rate)); |
409 | ath9k_htc_setup_rate(priv, sta, &trate); | |
410 | ret = ath9k_htc_send_rate_cmd(priv, &trate); | |
411 | if (!ret) | |
412 | ath_print(common, ATH_DBG_CONFIG, | |
413 | "Updated target sta: %pM, rate caps: 0x%X\n", | |
414 | sta->addr, be32_to_cpu(trate.capflags)); | |
fb9987d0 S |
415 | } |
416 | ||
2c76ef89 S |
417 | static void ath9k_htc_update_rate(struct ath9k_htc_priv *priv, |
418 | struct ieee80211_vif *vif, | |
419 | struct ieee80211_bss_conf *bss_conf) | |
420 | { | |
421 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
422 | struct ath9k_htc_target_rate trate; | |
423 | struct ieee80211_sta *sta; | |
424 | int ret; | |
425 | ||
426 | memset(&trate, 0, sizeof(struct ath9k_htc_target_rate)); | |
427 | ||
428 | rcu_read_lock(); | |
429 | sta = ieee80211_find_sta(vif, bss_conf->bssid); | |
430 | if (!sta) { | |
431 | rcu_read_unlock(); | |
432 | return; | |
433 | } | |
434 | ath9k_htc_setup_rate(priv, sta, &trate); | |
435 | rcu_read_unlock(); | |
436 | ||
437 | ret = ath9k_htc_send_rate_cmd(priv, &trate); | |
438 | if (!ret) | |
439 | ath_print(common, ATH_DBG_CONFIG, | |
440 | "Updated target sta: %pM, rate caps: 0x%X\n", | |
441 | bss_conf->bssid, be32_to_cpu(trate.capflags)); | |
442 | } | |
443 | ||
9edd9520 LR |
444 | static int ath9k_htc_tx_aggr_oper(struct ath9k_htc_priv *priv, |
445 | struct ieee80211_vif *vif, | |
446 | struct ieee80211_sta *sta, | |
447 | enum ieee80211_ampdu_mlme_action action, | |
448 | u16 tid) | |
fb9987d0 S |
449 | { |
450 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
451 | struct ath9k_htc_target_aggr aggr; | |
277a64d1 | 452 | struct ath9k_htc_sta *ista; |
fb9987d0 S |
453 | int ret = 0; |
454 | u8 cmd_rsp; | |
455 | ||
0730d114 | 456 | if (tid >= ATH9K_HTC_MAX_TID) |
fb9987d0 S |
457 | return -EINVAL; |
458 | ||
ef98c3cd | 459 | memset(&aggr, 0, sizeof(struct ath9k_htc_target_aggr)); |
ef98c3cd | 460 | ista = (struct ath9k_htc_sta *) sta->drv_priv; |
fb9987d0 | 461 | |
fb9987d0 | 462 | aggr.sta_index = ista->index; |
d7ca2139 S |
463 | aggr.tidno = tid & 0xf; |
464 | aggr.aggr_enable = (action == IEEE80211_AMPDU_TX_START) ? true : false; | |
fb9987d0 | 465 | |
fb9987d0 S |
466 | WMI_CMD_BUF(WMI_TX_AGGR_ENABLE_CMDID, &aggr); |
467 | if (ret) | |
468 | ath_print(common, ATH_DBG_CONFIG, | |
469 | "Unable to %s TX aggregation for (%pM, %d)\n", | |
d7ca2139 | 470 | (aggr.aggr_enable) ? "start" : "stop", sta->addr, tid); |
fb9987d0 S |
471 | else |
472 | ath_print(common, ATH_DBG_CONFIG, | |
d7ca2139 S |
473 | "%s TX aggregation for (%pM, %d)\n", |
474 | (aggr.aggr_enable) ? "Starting" : "Stopping", | |
475 | sta->addr, tid); | |
fb9987d0 | 476 | |
d7ca2139 S |
477 | spin_lock_bh(&priv->tx_lock); |
478 | ista->tid_state[tid] = (aggr.aggr_enable && !ret) ? AGGR_START : AGGR_STOP; | |
479 | spin_unlock_bh(&priv->tx_lock); | |
fb9987d0 | 480 | |
d7ca2139 | 481 | return ret; |
fb9987d0 S |
482 | } |
483 | ||
484 | /*********/ | |
485 | /* DEBUG */ | |
486 | /*********/ | |
487 | ||
488 | #ifdef CONFIG_ATH9K_HTC_DEBUGFS | |
489 | ||
490 | static int ath9k_debugfs_open(struct inode *inode, struct file *file) | |
491 | { | |
492 | file->private_data = inode->i_private; | |
493 | return 0; | |
494 | } | |
495 | ||
496 | static ssize_t read_file_tgt_stats(struct file *file, char __user *user_buf, | |
497 | size_t count, loff_t *ppos) | |
498 | { | |
57674308 | 499 | struct ath9k_htc_priv *priv = file->private_data; |
fb9987d0 S |
500 | struct ath9k_htc_target_stats cmd_rsp; |
501 | char buf[512]; | |
502 | unsigned int len = 0; | |
503 | int ret = 0; | |
504 | ||
505 | memset(&cmd_rsp, 0, sizeof(cmd_rsp)); | |
506 | ||
507 | WMI_CMD(WMI_TGT_STATS_CMDID); | |
508 | if (ret) | |
509 | return -EINVAL; | |
510 | ||
511 | ||
512 | len += snprintf(buf + len, sizeof(buf) - len, | |
513 | "%19s : %10u\n", "TX Short Retries", | |
514 | be32_to_cpu(cmd_rsp.tx_shortretry)); | |
515 | len += snprintf(buf + len, sizeof(buf) - len, | |
516 | "%19s : %10u\n", "TX Long Retries", | |
517 | be32_to_cpu(cmd_rsp.tx_longretry)); | |
518 | len += snprintf(buf + len, sizeof(buf) - len, | |
519 | "%19s : %10u\n", "TX Xretries", | |
520 | be32_to_cpu(cmd_rsp.tx_xretries)); | |
521 | len += snprintf(buf + len, sizeof(buf) - len, | |
522 | "%19s : %10u\n", "TX Unaggr. Xretries", | |
523 | be32_to_cpu(cmd_rsp.ht_txunaggr_xretry)); | |
524 | len += snprintf(buf + len, sizeof(buf) - len, | |
525 | "%19s : %10u\n", "TX Xretries (HT)", | |
526 | be32_to_cpu(cmd_rsp.ht_tx_xretries)); | |
527 | len += snprintf(buf + len, sizeof(buf) - len, | |
528 | "%19s : %10u\n", "TX Rate", priv->debug.txrate); | |
529 | ||
9746010b DC |
530 | if (len > sizeof(buf)) |
531 | len = sizeof(buf); | |
532 | ||
fb9987d0 S |
533 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
534 | } | |
535 | ||
536 | static const struct file_operations fops_tgt_stats = { | |
537 | .read = read_file_tgt_stats, | |
538 | .open = ath9k_debugfs_open, | |
539 | .owner = THIS_MODULE | |
540 | }; | |
541 | ||
542 | static ssize_t read_file_xmit(struct file *file, char __user *user_buf, | |
543 | size_t count, loff_t *ppos) | |
544 | { | |
57674308 | 545 | struct ath9k_htc_priv *priv = file->private_data; |
fb9987d0 S |
546 | char buf[512]; |
547 | unsigned int len = 0; | |
548 | ||
549 | len += snprintf(buf + len, sizeof(buf) - len, | |
550 | "%20s : %10u\n", "Buffers queued", | |
551 | priv->debug.tx_stats.buf_queued); | |
552 | len += snprintf(buf + len, sizeof(buf) - len, | |
553 | "%20s : %10u\n", "Buffers completed", | |
554 | priv->debug.tx_stats.buf_completed); | |
555 | len += snprintf(buf + len, sizeof(buf) - len, | |
556 | "%20s : %10u\n", "SKBs queued", | |
557 | priv->debug.tx_stats.skb_queued); | |
558 | len += snprintf(buf + len, sizeof(buf) - len, | |
559 | "%20s : %10u\n", "SKBs completed", | |
560 | priv->debug.tx_stats.skb_completed); | |
eac8e385 S |
561 | len += snprintf(buf + len, sizeof(buf) - len, |
562 | "%20s : %10u\n", "SKBs dropped", | |
563 | priv->debug.tx_stats.skb_dropped); | |
fb9987d0 | 564 | |
2edb4583 S |
565 | len += snprintf(buf + len, sizeof(buf) - len, |
566 | "%20s : %10u\n", "BE queued", | |
567 | priv->debug.tx_stats.queue_stats[WME_AC_BE]); | |
568 | len += snprintf(buf + len, sizeof(buf) - len, | |
569 | "%20s : %10u\n", "BK queued", | |
570 | priv->debug.tx_stats.queue_stats[WME_AC_BK]); | |
571 | len += snprintf(buf + len, sizeof(buf) - len, | |
572 | "%20s : %10u\n", "VI queued", | |
573 | priv->debug.tx_stats.queue_stats[WME_AC_VI]); | |
574 | len += snprintf(buf + len, sizeof(buf) - len, | |
575 | "%20s : %10u\n", "VO queued", | |
576 | priv->debug.tx_stats.queue_stats[WME_AC_VO]); | |
577 | ||
9746010b DC |
578 | if (len > sizeof(buf)) |
579 | len = sizeof(buf); | |
580 | ||
fb9987d0 S |
581 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
582 | } | |
583 | ||
584 | static const struct file_operations fops_xmit = { | |
585 | .read = read_file_xmit, | |
586 | .open = ath9k_debugfs_open, | |
587 | .owner = THIS_MODULE | |
588 | }; | |
589 | ||
590 | static ssize_t read_file_recv(struct file *file, char __user *user_buf, | |
591 | size_t count, loff_t *ppos) | |
592 | { | |
57674308 | 593 | struct ath9k_htc_priv *priv = file->private_data; |
fb9987d0 S |
594 | char buf[512]; |
595 | unsigned int len = 0; | |
596 | ||
597 | len += snprintf(buf + len, sizeof(buf) - len, | |
598 | "%20s : %10u\n", "SKBs allocated", | |
599 | priv->debug.rx_stats.skb_allocated); | |
600 | len += snprintf(buf + len, sizeof(buf) - len, | |
601 | "%20s : %10u\n", "SKBs completed", | |
602 | priv->debug.rx_stats.skb_completed); | |
603 | len += snprintf(buf + len, sizeof(buf) - len, | |
604 | "%20s : %10u\n", "SKBs Dropped", | |
605 | priv->debug.rx_stats.skb_dropped); | |
606 | ||
9746010b DC |
607 | if (len > sizeof(buf)) |
608 | len = sizeof(buf); | |
609 | ||
fb9987d0 S |
610 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
611 | } | |
612 | ||
613 | static const struct file_operations fops_recv = { | |
614 | .read = read_file_recv, | |
615 | .open = ath9k_debugfs_open, | |
616 | .owner = THIS_MODULE | |
617 | }; | |
618 | ||
e1572c5e | 619 | int ath9k_htc_init_debug(struct ath_hw *ah) |
fb9987d0 S |
620 | { |
621 | struct ath_common *common = ath9k_hw_common(ah); | |
622 | struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; | |
623 | ||
624 | if (!ath9k_debugfs_root) | |
625 | return -ENOENT; | |
626 | ||
627 | priv->debug.debugfs_phy = debugfs_create_dir(wiphy_name(priv->hw->wiphy), | |
628 | ath9k_debugfs_root); | |
629 | if (!priv->debug.debugfs_phy) | |
630 | goto err; | |
631 | ||
632 | priv->debug.debugfs_tgt_stats = debugfs_create_file("tgt_stats", S_IRUSR, | |
633 | priv->debug.debugfs_phy, | |
634 | priv, &fops_tgt_stats); | |
635 | if (!priv->debug.debugfs_tgt_stats) | |
636 | goto err; | |
637 | ||
638 | ||
639 | priv->debug.debugfs_xmit = debugfs_create_file("xmit", S_IRUSR, | |
640 | priv->debug.debugfs_phy, | |
641 | priv, &fops_xmit); | |
642 | if (!priv->debug.debugfs_xmit) | |
643 | goto err; | |
644 | ||
645 | priv->debug.debugfs_recv = debugfs_create_file("recv", S_IRUSR, | |
646 | priv->debug.debugfs_phy, | |
647 | priv, &fops_recv); | |
648 | if (!priv->debug.debugfs_recv) | |
649 | goto err; | |
650 | ||
651 | return 0; | |
652 | ||
653 | err: | |
e1572c5e | 654 | ath9k_htc_exit_debug(ah); |
fb9987d0 S |
655 | return -ENOMEM; |
656 | } | |
657 | ||
e1572c5e | 658 | void ath9k_htc_exit_debug(struct ath_hw *ah) |
fb9987d0 S |
659 | { |
660 | struct ath_common *common = ath9k_hw_common(ah); | |
661 | struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; | |
662 | ||
663 | debugfs_remove(priv->debug.debugfs_recv); | |
664 | debugfs_remove(priv->debug.debugfs_xmit); | |
665 | debugfs_remove(priv->debug.debugfs_tgt_stats); | |
666 | debugfs_remove(priv->debug.debugfs_phy); | |
667 | } | |
668 | ||
e1572c5e | 669 | int ath9k_htc_debug_create_root(void) |
fb9987d0 S |
670 | { |
671 | ath9k_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL); | |
672 | if (!ath9k_debugfs_root) | |
673 | return -ENOENT; | |
674 | ||
675 | return 0; | |
676 | } | |
677 | ||
e1572c5e | 678 | void ath9k_htc_debug_remove_root(void) |
fb9987d0 S |
679 | { |
680 | debugfs_remove(ath9k_debugfs_root); | |
681 | ath9k_debugfs_root = NULL; | |
682 | } | |
683 | ||
684 | #endif /* CONFIG_ATH9K_HTC_DEBUGFS */ | |
685 | ||
686 | /*******/ | |
687 | /* ANI */ | |
688 | /*******/ | |
689 | ||
690 | static void ath_start_ani(struct ath9k_htc_priv *priv) | |
691 | { | |
692 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
693 | unsigned long timestamp = jiffies_to_msecs(jiffies); | |
694 | ||
695 | common->ani.longcal_timer = timestamp; | |
696 | common->ani.shortcal_timer = timestamp; | |
697 | common->ani.checkani_timer = timestamp; | |
698 | ||
699 | ieee80211_queue_delayed_work(common->hw, &priv->ath9k_ani_work, | |
700 | msecs_to_jiffies(ATH_ANI_POLLINTERVAL)); | |
701 | } | |
702 | ||
703 | void ath9k_ani_work(struct work_struct *work) | |
704 | { | |
705 | struct ath9k_htc_priv *priv = | |
706 | container_of(work, struct ath9k_htc_priv, | |
707 | ath9k_ani_work.work); | |
708 | struct ath_hw *ah = priv->ah; | |
709 | struct ath_common *common = ath9k_hw_common(ah); | |
710 | bool longcal = false; | |
711 | bool shortcal = false; | |
712 | bool aniflag = false; | |
713 | unsigned int timestamp = jiffies_to_msecs(jiffies); | |
714 | u32 cal_interval, short_cal_interval; | |
715 | ||
716 | short_cal_interval = ATH_STA_SHORT_CALINTERVAL; | |
717 | ||
bde748a4 VN |
718 | /* Only calibrate if awake */ |
719 | if (ah->power_mode != ATH9K_PM_AWAKE) | |
720 | goto set_timer; | |
721 | ||
fb9987d0 S |
722 | /* Long calibration runs independently of short calibration. */ |
723 | if ((timestamp - common->ani.longcal_timer) >= ATH_LONG_CALINTERVAL) { | |
724 | longcal = true; | |
725 | ath_print(common, ATH_DBG_ANI, "longcal @%lu\n", jiffies); | |
726 | common->ani.longcal_timer = timestamp; | |
727 | } | |
728 | ||
729 | /* Short calibration applies only while caldone is false */ | |
730 | if (!common->ani.caldone) { | |
731 | if ((timestamp - common->ani.shortcal_timer) >= | |
732 | short_cal_interval) { | |
733 | shortcal = true; | |
734 | ath_print(common, ATH_DBG_ANI, | |
735 | "shortcal @%lu\n", jiffies); | |
736 | common->ani.shortcal_timer = timestamp; | |
737 | common->ani.resetcal_timer = timestamp; | |
738 | } | |
739 | } else { | |
740 | if ((timestamp - common->ani.resetcal_timer) >= | |
741 | ATH_RESTART_CALINTERVAL) { | |
742 | common->ani.caldone = ath9k_hw_reset_calvalid(ah); | |
743 | if (common->ani.caldone) | |
744 | common->ani.resetcal_timer = timestamp; | |
745 | } | |
746 | } | |
747 | ||
748 | /* Verify whether we must check ANI */ | |
749 | if ((timestamp - common->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) { | |
750 | aniflag = true; | |
751 | common->ani.checkani_timer = timestamp; | |
752 | } | |
753 | ||
754 | /* Skip all processing if there's nothing to do. */ | |
755 | if (longcal || shortcal || aniflag) { | |
bde748a4 VN |
756 | |
757 | ath9k_htc_ps_wakeup(priv); | |
758 | ||
fb9987d0 S |
759 | /* Call ANI routine if necessary */ |
760 | if (aniflag) | |
761 | ath9k_hw_ani_monitor(ah, ah->curchan); | |
762 | ||
763 | /* Perform calibration if necessary */ | |
764 | if (longcal || shortcal) { | |
765 | common->ani.caldone = | |
766 | ath9k_hw_calibrate(ah, ah->curchan, | |
767 | common->rx_chainmask, | |
768 | longcal); | |
769 | ||
770 | if (longcal) | |
771 | common->ani.noise_floor = | |
772 | ath9k_hw_getchan_noise(ah, ah->curchan); | |
773 | ||
774 | ath_print(common, ATH_DBG_ANI, | |
775 | " calibrate chan %u/%x nf: %d\n", | |
776 | ah->curchan->channel, | |
777 | ah->curchan->channelFlags, | |
778 | common->ani.noise_floor); | |
779 | } | |
bde748a4 VN |
780 | |
781 | ath9k_htc_ps_restore(priv); | |
fb9987d0 S |
782 | } |
783 | ||
bde748a4 | 784 | set_timer: |
fb9987d0 S |
785 | /* |
786 | * Set timer interval based on previous results. | |
787 | * The interval must be the shortest necessary to satisfy ANI, | |
788 | * short calibration and long calibration. | |
789 | */ | |
790 | cal_interval = ATH_LONG_CALINTERVAL; | |
791 | if (priv->ah->config.enable_ani) | |
792 | cal_interval = min(cal_interval, (u32)ATH_ANI_POLLINTERVAL); | |
793 | if (!common->ani.caldone) | |
794 | cal_interval = min(cal_interval, (u32)short_cal_interval); | |
795 | ||
796 | ieee80211_queue_delayed_work(common->hw, &priv->ath9k_ani_work, | |
797 | msecs_to_jiffies(cal_interval)); | |
798 | } | |
799 | ||
800 | /*******/ | |
801 | /* LED */ | |
802 | /*******/ | |
803 | ||
804 | static void ath9k_led_blink_work(struct work_struct *work) | |
805 | { | |
806 | struct ath9k_htc_priv *priv = container_of(work, struct ath9k_htc_priv, | |
807 | ath9k_led_blink_work.work); | |
808 | ||
809 | if (!(priv->op_flags & OP_LED_ASSOCIATED)) | |
810 | return; | |
811 | ||
812 | if ((priv->led_on_duration == ATH_LED_ON_DURATION_IDLE) || | |
813 | (priv->led_off_duration == ATH_LED_OFF_DURATION_IDLE)) | |
814 | ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, 0); | |
815 | else | |
816 | ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, | |
817 | (priv->op_flags & OP_LED_ON) ? 1 : 0); | |
818 | ||
819 | ieee80211_queue_delayed_work(priv->hw, | |
820 | &priv->ath9k_led_blink_work, | |
821 | (priv->op_flags & OP_LED_ON) ? | |
822 | msecs_to_jiffies(priv->led_off_duration) : | |
823 | msecs_to_jiffies(priv->led_on_duration)); | |
824 | ||
825 | priv->led_on_duration = priv->led_on_cnt ? | |
826 | max((ATH_LED_ON_DURATION_IDLE - priv->led_on_cnt), 25) : | |
827 | ATH_LED_ON_DURATION_IDLE; | |
828 | priv->led_off_duration = priv->led_off_cnt ? | |
829 | max((ATH_LED_OFF_DURATION_IDLE - priv->led_off_cnt), 10) : | |
830 | ATH_LED_OFF_DURATION_IDLE; | |
831 | priv->led_on_cnt = priv->led_off_cnt = 0; | |
832 | ||
833 | if (priv->op_flags & OP_LED_ON) | |
834 | priv->op_flags &= ~OP_LED_ON; | |
835 | else | |
836 | priv->op_flags |= OP_LED_ON; | |
837 | } | |
838 | ||
839 | static void ath9k_led_brightness_work(struct work_struct *work) | |
840 | { | |
841 | struct ath_led *led = container_of(work, struct ath_led, | |
842 | brightness_work.work); | |
843 | struct ath9k_htc_priv *priv = led->priv; | |
844 | ||
845 | switch (led->brightness) { | |
846 | case LED_OFF: | |
847 | if (led->led_type == ATH_LED_ASSOC || | |
848 | led->led_type == ATH_LED_RADIO) { | |
849 | ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, | |
850 | (led->led_type == ATH_LED_RADIO)); | |
851 | priv->op_flags &= ~OP_LED_ASSOCIATED; | |
852 | if (led->led_type == ATH_LED_RADIO) | |
853 | priv->op_flags &= ~OP_LED_ON; | |
854 | } else { | |
855 | priv->led_off_cnt++; | |
856 | } | |
857 | break; | |
858 | case LED_FULL: | |
859 | if (led->led_type == ATH_LED_ASSOC) { | |
860 | priv->op_flags |= OP_LED_ASSOCIATED; | |
861 | ieee80211_queue_delayed_work(priv->hw, | |
862 | &priv->ath9k_led_blink_work, 0); | |
863 | } else if (led->led_type == ATH_LED_RADIO) { | |
864 | ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, 0); | |
865 | priv->op_flags |= OP_LED_ON; | |
866 | } else { | |
867 | priv->led_on_cnt++; | |
868 | } | |
869 | break; | |
870 | default: | |
871 | break; | |
872 | } | |
873 | } | |
874 | ||
875 | static void ath9k_led_brightness(struct led_classdev *led_cdev, | |
876 | enum led_brightness brightness) | |
877 | { | |
878 | struct ath_led *led = container_of(led_cdev, struct ath_led, led_cdev); | |
879 | struct ath9k_htc_priv *priv = led->priv; | |
880 | ||
881 | led->brightness = brightness; | |
882 | if (!(priv->op_flags & OP_LED_DEINIT)) | |
883 | ieee80211_queue_delayed_work(priv->hw, | |
884 | &led->brightness_work, 0); | |
885 | } | |
886 | ||
887 | static void ath9k_led_stop_brightness(struct ath9k_htc_priv *priv) | |
888 | { | |
889 | cancel_delayed_work_sync(&priv->radio_led.brightness_work); | |
890 | cancel_delayed_work_sync(&priv->assoc_led.brightness_work); | |
891 | cancel_delayed_work_sync(&priv->tx_led.brightness_work); | |
892 | cancel_delayed_work_sync(&priv->rx_led.brightness_work); | |
893 | } | |
894 | ||
895 | static int ath9k_register_led(struct ath9k_htc_priv *priv, struct ath_led *led, | |
896 | char *trigger) | |
897 | { | |
898 | int ret; | |
899 | ||
900 | led->priv = priv; | |
901 | led->led_cdev.name = led->name; | |
902 | led->led_cdev.default_trigger = trigger; | |
903 | led->led_cdev.brightness_set = ath9k_led_brightness; | |
904 | ||
905 | ret = led_classdev_register(wiphy_dev(priv->hw->wiphy), &led->led_cdev); | |
906 | if (ret) | |
907 | ath_print(ath9k_hw_common(priv->ah), ATH_DBG_FATAL, | |
908 | "Failed to register led:%s", led->name); | |
909 | else | |
910 | led->registered = 1; | |
911 | ||
912 | INIT_DELAYED_WORK(&led->brightness_work, ath9k_led_brightness_work); | |
913 | ||
914 | return ret; | |
915 | } | |
916 | ||
917 | static void ath9k_unregister_led(struct ath_led *led) | |
918 | { | |
919 | if (led->registered) { | |
920 | led_classdev_unregister(&led->led_cdev); | |
921 | led->registered = 0; | |
922 | } | |
923 | } | |
924 | ||
925 | void ath9k_deinit_leds(struct ath9k_htc_priv *priv) | |
926 | { | |
927 | priv->op_flags |= OP_LED_DEINIT; | |
928 | ath9k_unregister_led(&priv->assoc_led); | |
929 | priv->op_flags &= ~OP_LED_ASSOCIATED; | |
930 | ath9k_unregister_led(&priv->tx_led); | |
931 | ath9k_unregister_led(&priv->rx_led); | |
932 | ath9k_unregister_led(&priv->radio_led); | |
fb9987d0 S |
933 | } |
934 | ||
935 | void ath9k_init_leds(struct ath9k_htc_priv *priv) | |
936 | { | |
937 | char *trigger; | |
938 | int ret; | |
939 | ||
940 | if (AR_SREV_9287(priv->ah)) | |
941 | priv->ah->led_pin = ATH_LED_PIN_9287; | |
942 | else if (AR_SREV_9271(priv->ah)) | |
943 | priv->ah->led_pin = ATH_LED_PIN_9271; | |
88c1f4f6 S |
944 | else if (AR_DEVID_7010(priv->ah)) |
945 | priv->ah->led_pin = ATH_LED_PIN_7010; | |
fb9987d0 S |
946 | else |
947 | priv->ah->led_pin = ATH_LED_PIN_DEF; | |
948 | ||
949 | /* Configure gpio 1 for output */ | |
950 | ath9k_hw_cfg_output(priv->ah, priv->ah->led_pin, | |
951 | AR_GPIO_OUTPUT_MUX_AS_OUTPUT); | |
952 | /* LED off, active low */ | |
953 | ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, 1); | |
954 | ||
955 | INIT_DELAYED_WORK(&priv->ath9k_led_blink_work, ath9k_led_blink_work); | |
956 | ||
957 | trigger = ieee80211_get_radio_led_name(priv->hw); | |
958 | snprintf(priv->radio_led.name, sizeof(priv->radio_led.name), | |
959 | "ath9k-%s::radio", wiphy_name(priv->hw->wiphy)); | |
960 | ret = ath9k_register_led(priv, &priv->radio_led, trigger); | |
961 | priv->radio_led.led_type = ATH_LED_RADIO; | |
962 | if (ret) | |
963 | goto fail; | |
964 | ||
965 | trigger = ieee80211_get_assoc_led_name(priv->hw); | |
966 | snprintf(priv->assoc_led.name, sizeof(priv->assoc_led.name), | |
967 | "ath9k-%s::assoc", wiphy_name(priv->hw->wiphy)); | |
968 | ret = ath9k_register_led(priv, &priv->assoc_led, trigger); | |
969 | priv->assoc_led.led_type = ATH_LED_ASSOC; | |
970 | if (ret) | |
971 | goto fail; | |
972 | ||
973 | trigger = ieee80211_get_tx_led_name(priv->hw); | |
974 | snprintf(priv->tx_led.name, sizeof(priv->tx_led.name), | |
975 | "ath9k-%s::tx", wiphy_name(priv->hw->wiphy)); | |
976 | ret = ath9k_register_led(priv, &priv->tx_led, trigger); | |
977 | priv->tx_led.led_type = ATH_LED_TX; | |
978 | if (ret) | |
979 | goto fail; | |
980 | ||
981 | trigger = ieee80211_get_rx_led_name(priv->hw); | |
982 | snprintf(priv->rx_led.name, sizeof(priv->rx_led.name), | |
983 | "ath9k-%s::rx", wiphy_name(priv->hw->wiphy)); | |
984 | ret = ath9k_register_led(priv, &priv->rx_led, trigger); | |
985 | priv->rx_led.led_type = ATH_LED_RX; | |
986 | if (ret) | |
987 | goto fail; | |
988 | ||
989 | priv->op_flags &= ~OP_LED_DEINIT; | |
990 | ||
991 | return; | |
992 | ||
993 | fail: | |
994 | cancel_delayed_work_sync(&priv->ath9k_led_blink_work); | |
995 | ath9k_deinit_leds(priv); | |
996 | } | |
997 | ||
998 | /*******************/ | |
999 | /* Rfkill */ | |
1000 | /*******************/ | |
1001 | ||
1002 | static bool ath_is_rfkill_set(struct ath9k_htc_priv *priv) | |
1003 | { | |
1004 | return ath9k_hw_gpio_get(priv->ah, priv->ah->rfkill_gpio) == | |
1005 | priv->ah->rfkill_polarity; | |
1006 | } | |
1007 | ||
1008 | static void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw) | |
1009 | { | |
1010 | struct ath9k_htc_priv *priv = hw->priv; | |
1011 | bool blocked = !!ath_is_rfkill_set(priv); | |
1012 | ||
1013 | wiphy_rfkill_set_hw_state(hw->wiphy, blocked); | |
1014 | } | |
1015 | ||
1016 | void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv) | |
1017 | { | |
1018 | if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT) | |
1019 | wiphy_rfkill_start_polling(priv->hw->wiphy); | |
1020 | } | |
1021 | ||
881ac6a5 S |
1022 | static void ath9k_htc_radio_enable(struct ieee80211_hw *hw) |
1023 | { | |
1024 | struct ath9k_htc_priv *priv = hw->priv; | |
1025 | struct ath_hw *ah = priv->ah; | |
1026 | struct ath_common *common = ath9k_hw_common(ah); | |
1027 | int ret; | |
1028 | u8 cmd_rsp; | |
1029 | ||
1030 | if (!ah->curchan) | |
1031 | ah->curchan = ath9k_cmn_get_curchannel(hw, ah); | |
1032 | ||
1033 | /* Reset the HW */ | |
20bd2a09 | 1034 | ret = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false); |
881ac6a5 S |
1035 | if (ret) { |
1036 | ath_print(common, ATH_DBG_FATAL, | |
1037 | "Unable to reset hardware; reset status %d " | |
1038 | "(freq %u MHz)\n", ret, ah->curchan->channel); | |
1039 | } | |
1040 | ||
1041 | ath_update_txpow(priv); | |
1042 | ||
1043 | /* Start RX */ | |
1044 | WMI_CMD(WMI_START_RECV_CMDID); | |
1045 | ath9k_host_rx_init(priv); | |
1046 | ||
1047 | /* Start TX */ | |
1048 | htc_start(priv->htc); | |
1049 | spin_lock_bh(&priv->tx_lock); | |
1050 | priv->tx_queues_stop = false; | |
1051 | spin_unlock_bh(&priv->tx_lock); | |
1052 | ieee80211_wake_queues(hw); | |
1053 | ||
1054 | WMI_CMD(WMI_ENABLE_INTR_CMDID); | |
1055 | ||
1056 | /* Enable LED */ | |
1057 | ath9k_hw_cfg_output(ah, ah->led_pin, | |
1058 | AR_GPIO_OUTPUT_MUX_AS_OUTPUT); | |
1059 | ath9k_hw_set_gpio(ah, ah->led_pin, 0); | |
1060 | } | |
1061 | ||
1062 | static void ath9k_htc_radio_disable(struct ieee80211_hw *hw) | |
1063 | { | |
1064 | struct ath9k_htc_priv *priv = hw->priv; | |
1065 | struct ath_hw *ah = priv->ah; | |
1066 | struct ath_common *common = ath9k_hw_common(ah); | |
1067 | int ret; | |
1068 | u8 cmd_rsp; | |
1069 | ||
1070 | ath9k_htc_ps_wakeup(priv); | |
1071 | ||
1072 | /* Disable LED */ | |
1073 | ath9k_hw_set_gpio(ah, ah->led_pin, 1); | |
1074 | ath9k_hw_cfg_gpio_input(ah, ah->led_pin); | |
1075 | ||
1076 | WMI_CMD(WMI_DISABLE_INTR_CMDID); | |
1077 | ||
1078 | /* Stop TX */ | |
1079 | ieee80211_stop_queues(hw); | |
1080 | htc_stop(priv->htc); | |
1081 | WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID); | |
1082 | skb_queue_purge(&priv->tx_queue); | |
1083 | ||
1084 | /* Stop RX */ | |
1085 | WMI_CMD(WMI_STOP_RECV_CMDID); | |
1086 | ||
21d5130b S |
1087 | /* |
1088 | * The MIB counters have to be disabled here, | |
1089 | * since the target doesn't do it. | |
1090 | */ | |
1091 | ath9k_hw_disable_mib_counters(ah); | |
1092 | ||
881ac6a5 S |
1093 | if (!ah->curchan) |
1094 | ah->curchan = ath9k_cmn_get_curchannel(hw, ah); | |
1095 | ||
1096 | /* Reset the HW */ | |
20bd2a09 | 1097 | ret = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false); |
881ac6a5 S |
1098 | if (ret) { |
1099 | ath_print(common, ATH_DBG_FATAL, | |
1100 | "Unable to reset hardware; reset status %d " | |
1101 | "(freq %u MHz)\n", ret, ah->curchan->channel); | |
1102 | } | |
1103 | ||
1104 | /* Disable the PHY */ | |
1105 | ath9k_hw_phy_disable(ah); | |
1106 | ||
1107 | ath9k_htc_ps_restore(priv); | |
1108 | ath9k_htc_setpower(priv, ATH9K_PM_FULL_SLEEP); | |
1109 | } | |
1110 | ||
fb9987d0 S |
1111 | /**********************/ |
1112 | /* mac80211 Callbacks */ | |
1113 | /**********************/ | |
1114 | ||
1115 | static int ath9k_htc_tx(struct ieee80211_hw *hw, struct sk_buff *skb) | |
1116 | { | |
1117 | struct ieee80211_hdr *hdr; | |
1118 | struct ath9k_htc_priv *priv = hw->priv; | |
7757dfed | 1119 | int padpos, padsize, ret; |
fb9987d0 S |
1120 | |
1121 | hdr = (struct ieee80211_hdr *) skb->data; | |
1122 | ||
1123 | /* Add the padding after the header if this is not already done */ | |
1124 | padpos = ath9k_cmn_padpos(hdr->frame_control); | |
1125 | padsize = padpos & 3; | |
1126 | if (padsize && skb->len > padpos) { | |
1127 | if (skb_headroom(skb) < padsize) | |
1128 | return -1; | |
1129 | skb_push(skb, padsize); | |
1130 | memmove(skb->data, skb->data + padsize, padpos); | |
1131 | } | |
1132 | ||
7757dfed S |
1133 | ret = ath9k_htc_tx_start(priv, skb); |
1134 | if (ret != 0) { | |
1135 | if (ret == -ENOMEM) { | |
1136 | ath_print(ath9k_hw_common(priv->ah), ATH_DBG_XMIT, | |
1137 | "Stopping TX queues\n"); | |
1138 | ieee80211_stop_queues(hw); | |
1139 | spin_lock_bh(&priv->tx_lock); | |
1140 | priv->tx_queues_stop = true; | |
1141 | spin_unlock_bh(&priv->tx_lock); | |
1142 | } else { | |
1143 | ath_print(ath9k_hw_common(priv->ah), ATH_DBG_XMIT, | |
1144 | "Tx failed"); | |
1145 | } | |
fb9987d0 S |
1146 | goto fail_tx; |
1147 | } | |
1148 | ||
1149 | return 0; | |
1150 | ||
1151 | fail_tx: | |
1152 | dev_kfree_skb_any(skb); | |
1153 | return 0; | |
1154 | } | |
1155 | ||
881ac6a5 | 1156 | static int ath9k_htc_start(struct ieee80211_hw *hw) |
fb9987d0 S |
1157 | { |
1158 | struct ath9k_htc_priv *priv = hw->priv; | |
1159 | struct ath_hw *ah = priv->ah; | |
1160 | struct ath_common *common = ath9k_hw_common(ah); | |
1161 | struct ieee80211_channel *curchan = hw->conf.channel; | |
1162 | struct ath9k_channel *init_channel; | |
1163 | int ret = 0; | |
1164 | enum htc_phymode mode; | |
7f1f5a00 | 1165 | __be16 htc_mode; |
fb9987d0 S |
1166 | u8 cmd_rsp; |
1167 | ||
881ac6a5 S |
1168 | mutex_lock(&priv->mutex); |
1169 | ||
fb9987d0 S |
1170 | ath_print(common, ATH_DBG_CONFIG, |
1171 | "Starting driver with initial channel: %d MHz\n", | |
1172 | curchan->center_freq); | |
1173 | ||
21d5130b S |
1174 | /* Ensure that HW is awake before flushing RX */ |
1175 | ath9k_htc_setpower(priv, ATH9K_PM_AWAKE); | |
1176 | WMI_CMD(WMI_FLUSH_RECV_CMDID); | |
1177 | ||
fb9987d0 S |
1178 | /* setup initial channel */ |
1179 | init_channel = ath9k_cmn_get_curchannel(hw, ah); | |
1180 | ||
1181 | /* Reset SERDES registers */ | |
1182 | ath9k_hw_configpcipowersave(ah, 0, 0); | |
1183 | ||
1184 | ath9k_hw_htc_resetinit(ah); | |
20bd2a09 | 1185 | ret = ath9k_hw_reset(ah, init_channel, ah->caldata, false); |
fb9987d0 S |
1186 | if (ret) { |
1187 | ath_print(common, ATH_DBG_FATAL, | |
1188 | "Unable to reset hardware; reset status %d " | |
1189 | "(freq %u MHz)\n", ret, curchan->center_freq); | |
881ac6a5 | 1190 | mutex_unlock(&priv->mutex); |
8a8572a8 | 1191 | return ret; |
fb9987d0 S |
1192 | } |
1193 | ||
1194 | ath_update_txpow(priv); | |
1195 | ||
1196 | mode = ath9k_htc_get_curmode(priv, init_channel); | |
1197 | htc_mode = cpu_to_be16(mode); | |
1198 | WMI_CMD_BUF(WMI_SET_MODE_CMDID, &htc_mode); | |
fb9987d0 | 1199 | WMI_CMD(WMI_ATH_INIT_CMDID); |
fb9987d0 | 1200 | WMI_CMD(WMI_START_RECV_CMDID); |
fb9987d0 S |
1201 | |
1202 | ath9k_host_rx_init(priv); | |
1203 | ||
1204 | priv->op_flags &= ~OP_INVALID; | |
1205 | htc_start(priv->htc); | |
1206 | ||
7757dfed S |
1207 | spin_lock_bh(&priv->tx_lock); |
1208 | priv->tx_queues_stop = false; | |
1209 | spin_unlock_bh(&priv->tx_lock); | |
1210 | ||
1211 | ieee80211_wake_queues(hw); | |
1212 | ||
fb9987d0 | 1213 | mutex_unlock(&priv->mutex); |
8a8572a8 | 1214 | |
fb9987d0 S |
1215 | return ret; |
1216 | } | |
1217 | ||
881ac6a5 | 1218 | static void ath9k_htc_stop(struct ieee80211_hw *hw) |
fb9987d0 S |
1219 | { |
1220 | struct ath9k_htc_priv *priv = hw->priv; | |
1221 | struct ath_hw *ah = priv->ah; | |
1222 | struct ath_common *common = ath9k_hw_common(ah); | |
1223 | int ret = 0; | |
1224 | u8 cmd_rsp; | |
1225 | ||
881ac6a5 S |
1226 | mutex_lock(&priv->mutex); |
1227 | ||
fb9987d0 S |
1228 | if (priv->op_flags & OP_INVALID) { |
1229 | ath_print(common, ATH_DBG_ANY, "Device not present\n"); | |
881ac6a5 | 1230 | mutex_unlock(&priv->mutex); |
fb9987d0 S |
1231 | return; |
1232 | } | |
1233 | ||
7073daa6 S |
1234 | /* Cancel all the running timers/work .. */ |
1235 | cancel_work_sync(&priv->ps_work); | |
1236 | cancel_delayed_work_sync(&priv->ath9k_ani_work); | |
7073daa6 S |
1237 | cancel_delayed_work_sync(&priv->ath9k_led_blink_work); |
1238 | ath9k_led_stop_brightness(priv); | |
1239 | ||
bde748a4 | 1240 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
1241 | htc_stop(priv->htc); |
1242 | WMI_CMD(WMI_DISABLE_INTR_CMDID); | |
1243 | WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID); | |
1244 | WMI_CMD(WMI_STOP_RECV_CMDID); | |
fb9987d0 S |
1245 | skb_queue_purge(&priv->tx_queue); |
1246 | ||
1247 | /* Remove monitor interface here */ | |
1248 | if (ah->opmode == NL80211_IFTYPE_MONITOR) { | |
1249 | if (ath9k_htc_remove_monitor_interface(priv)) | |
1250 | ath_print(common, ATH_DBG_FATAL, | |
1251 | "Unable to remove monitor interface\n"); | |
1252 | else | |
1253 | ath_print(common, ATH_DBG_CONFIG, | |
1254 | "Monitor interface removed\n"); | |
1255 | } | |
1256 | ||
e9201f09 S |
1257 | ath9k_hw_phy_disable(ah); |
1258 | ath9k_hw_disable(ah); | |
1259 | ath9k_hw_configpcipowersave(ah, 1, 1); | |
1260 | ath9k_htc_ps_restore(priv); | |
1261 | ath9k_htc_setpower(priv, ATH9K_PM_FULL_SLEEP); | |
1262 | ||
fb9987d0 | 1263 | priv->op_flags |= OP_INVALID; |
fb9987d0 S |
1264 | |
1265 | ath_print(common, ATH_DBG_CONFIG, "Driver halt\n"); | |
8a8572a8 VN |
1266 | mutex_unlock(&priv->mutex); |
1267 | } | |
1268 | ||
fb9987d0 S |
1269 | static int ath9k_htc_add_interface(struct ieee80211_hw *hw, |
1270 | struct ieee80211_vif *vif) | |
1271 | { | |
1272 | struct ath9k_htc_priv *priv = hw->priv; | |
1273 | struct ath9k_htc_vif *avp = (void *)vif->drv_priv; | |
1274 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
1275 | struct ath9k_htc_target_vif hvif; | |
1276 | int ret = 0; | |
1277 | u8 cmd_rsp; | |
1278 | ||
1279 | mutex_lock(&priv->mutex); | |
1280 | ||
1281 | /* Only one interface for now */ | |
1282 | if (priv->nvifs > 0) { | |
1283 | ret = -ENOBUFS; | |
1284 | goto out; | |
1285 | } | |
1286 | ||
bde748a4 | 1287 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
1288 | memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif)); |
1289 | memcpy(&hvif.myaddr, vif->addr, ETH_ALEN); | |
1290 | ||
1291 | switch (vif->type) { | |
1292 | case NL80211_IFTYPE_STATION: | |
1293 | hvif.opmode = cpu_to_be32(HTC_M_STA); | |
1294 | break; | |
1295 | case NL80211_IFTYPE_ADHOC: | |
1296 | hvif.opmode = cpu_to_be32(HTC_M_IBSS); | |
1297 | break; | |
1298 | default: | |
1299 | ath_print(common, ATH_DBG_FATAL, | |
1300 | "Interface type %d not yet supported\n", vif->type); | |
1301 | ret = -EOPNOTSUPP; | |
1302 | goto out; | |
1303 | } | |
1304 | ||
1305 | ath_print(common, ATH_DBG_CONFIG, | |
1306 | "Attach a VIF of type: %d\n", vif->type); | |
1307 | ||
1308 | priv->ah->opmode = vif->type; | |
1309 | ||
1310 | /* Index starts from zero on the target */ | |
1311 | avp->index = hvif.index = priv->nvifs; | |
1312 | hvif.rtsthreshold = cpu_to_be16(2304); | |
1313 | WMI_CMD_BUF(WMI_VAP_CREATE_CMDID, &hvif); | |
1314 | if (ret) | |
1315 | goto out; | |
1316 | ||
1317 | priv->nvifs++; | |
1318 | ||
1319 | /* | |
1320 | * We need a node in target to tx mgmt frames | |
1321 | * before association. | |
1322 | */ | |
1323 | ret = ath9k_htc_add_station(priv, vif, NULL); | |
1324 | if (ret) | |
1325 | goto out; | |
1326 | ||
1327 | ret = ath9k_htc_update_cap_target(priv); | |
1328 | if (ret) | |
1329 | ath_print(common, ATH_DBG_CONFIG, "Failed to update" | |
1330 | " capability in target \n"); | |
1331 | ||
1332 | priv->vif = vif; | |
1333 | out: | |
bde748a4 | 1334 | ath9k_htc_ps_restore(priv); |
fb9987d0 | 1335 | mutex_unlock(&priv->mutex); |
cb551df2 | 1336 | |
fb9987d0 S |
1337 | return ret; |
1338 | } | |
1339 | ||
1340 | static void ath9k_htc_remove_interface(struct ieee80211_hw *hw, | |
1341 | struct ieee80211_vif *vif) | |
1342 | { | |
1343 | struct ath9k_htc_priv *priv = hw->priv; | |
1344 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
1345 | struct ath9k_htc_vif *avp = (void *)vif->drv_priv; | |
1346 | struct ath9k_htc_target_vif hvif; | |
1347 | int ret = 0; | |
1348 | u8 cmd_rsp; | |
1349 | ||
1350 | ath_print(common, ATH_DBG_CONFIG, "Detach Interface\n"); | |
1351 | ||
1352 | mutex_lock(&priv->mutex); | |
cb551df2 | 1353 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
1354 | |
1355 | memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif)); | |
1356 | memcpy(&hvif.myaddr, vif->addr, ETH_ALEN); | |
1357 | hvif.index = avp->index; | |
1358 | WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif); | |
1359 | priv->nvifs--; | |
1360 | ||
1361 | ath9k_htc_remove_station(priv, vif, NULL); | |
fb9987d0 S |
1362 | priv->vif = NULL; |
1363 | ||
cb551df2 | 1364 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1365 | mutex_unlock(&priv->mutex); |
1366 | } | |
1367 | ||
1368 | static int ath9k_htc_config(struct ieee80211_hw *hw, u32 changed) | |
1369 | { | |
1370 | struct ath9k_htc_priv *priv = hw->priv; | |
1371 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
1372 | struct ieee80211_conf *conf = &hw->conf; | |
1373 | ||
1374 | mutex_lock(&priv->mutex); | |
1375 | ||
8a8572a8 VN |
1376 | if (changed & IEEE80211_CONF_CHANGE_IDLE) { |
1377 | bool enable_radio = false; | |
1378 | bool idle = !!(conf->flags & IEEE80211_CONF_IDLE); | |
1379 | ||
23367769 | 1380 | mutex_lock(&priv->htc_pm_lock); |
8a8572a8 VN |
1381 | if (!idle && priv->ps_idle) |
1382 | enable_radio = true; | |
8a8572a8 | 1383 | priv->ps_idle = idle; |
23367769 | 1384 | mutex_unlock(&priv->htc_pm_lock); |
8a8572a8 VN |
1385 | |
1386 | if (enable_radio) { | |
8a8572a8 VN |
1387 | ath_print(common, ATH_DBG_CONFIG, |
1388 | "not-idle: enabling radio\n"); | |
23367769 S |
1389 | ath9k_htc_setpower(priv, ATH9K_PM_AWAKE); |
1390 | ath9k_htc_radio_enable(hw); | |
8a8572a8 VN |
1391 | } |
1392 | } | |
1393 | ||
fb9987d0 S |
1394 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { |
1395 | struct ieee80211_channel *curchan = hw->conf.channel; | |
1396 | int pos = curchan->hw_value; | |
fb9987d0 S |
1397 | |
1398 | ath_print(common, ATH_DBG_CONFIG, "Set channel: %d MHz\n", | |
1399 | curchan->center_freq); | |
1400 | ||
fb9987d0 S |
1401 | ath9k_cmn_update_ichannel(hw, &priv->ah->channels[pos]); |
1402 | ||
1403 | if (ath9k_htc_set_channel(priv, hw, &priv->ah->channels[pos]) < 0) { | |
1404 | ath_print(common, ATH_DBG_FATAL, | |
1405 | "Unable to set channel\n"); | |
1406 | mutex_unlock(&priv->mutex); | |
1407 | return -EINVAL; | |
1408 | } | |
1409 | ||
1410 | } | |
bde748a4 VN |
1411 | if (changed & IEEE80211_CONF_CHANGE_PS) { |
1412 | if (conf->flags & IEEE80211_CONF_PS) { | |
1413 | ath9k_htc_setpower(priv, ATH9K_PM_NETWORK_SLEEP); | |
1414 | priv->ps_enabled = true; | |
1415 | } else { | |
1416 | priv->ps_enabled = false; | |
1417 | cancel_work_sync(&priv->ps_work); | |
1418 | ath9k_htc_setpower(priv, ATH9K_PM_AWAKE); | |
1419 | } | |
1420 | } | |
fb9987d0 S |
1421 | |
1422 | if (changed & IEEE80211_CONF_CHANGE_MONITOR) { | |
1423 | if (conf->flags & IEEE80211_CONF_MONITOR) { | |
1424 | if (ath9k_htc_add_monitor_interface(priv)) | |
1425 | ath_print(common, ATH_DBG_FATAL, | |
1426 | "Failed to set monitor mode\n"); | |
1427 | else | |
1428 | ath_print(common, ATH_DBG_CONFIG, | |
1429 | "HW opmode set to Monitor mode\n"); | |
1430 | } | |
1431 | } | |
1432 | ||
23367769 S |
1433 | if (changed & IEEE80211_CONF_CHANGE_IDLE) { |
1434 | mutex_lock(&priv->htc_pm_lock); | |
1435 | if (!priv->ps_idle) { | |
1436 | mutex_unlock(&priv->htc_pm_lock); | |
1437 | goto out; | |
1438 | } | |
1439 | mutex_unlock(&priv->htc_pm_lock); | |
1440 | ||
8a8572a8 VN |
1441 | ath_print(common, ATH_DBG_CONFIG, |
1442 | "idle: disabling radio\n"); | |
881ac6a5 | 1443 | ath9k_htc_radio_disable(hw); |
8a8572a8 VN |
1444 | } |
1445 | ||
23367769 | 1446 | out: |
fb9987d0 | 1447 | mutex_unlock(&priv->mutex); |
fb9987d0 S |
1448 | return 0; |
1449 | } | |
1450 | ||
1451 | #define SUPPORTED_FILTERS \ | |
1452 | (FIF_PROMISC_IN_BSS | \ | |
1453 | FIF_ALLMULTI | \ | |
1454 | FIF_CONTROL | \ | |
1455 | FIF_PSPOLL | \ | |
1456 | FIF_OTHER_BSS | \ | |
1457 | FIF_BCN_PRBRESP_PROMISC | \ | |
1458 | FIF_FCSFAIL) | |
1459 | ||
1460 | static void ath9k_htc_configure_filter(struct ieee80211_hw *hw, | |
1461 | unsigned int changed_flags, | |
1462 | unsigned int *total_flags, | |
1463 | u64 multicast) | |
1464 | { | |
1465 | struct ath9k_htc_priv *priv = hw->priv; | |
1466 | u32 rfilt; | |
1467 | ||
1468 | mutex_lock(&priv->mutex); | |
bde748a4 | 1469 | ath9k_htc_ps_wakeup(priv); |
cb551df2 | 1470 | |
fb9987d0 S |
1471 | changed_flags &= SUPPORTED_FILTERS; |
1472 | *total_flags &= SUPPORTED_FILTERS; | |
1473 | ||
1474 | priv->rxfilter = *total_flags; | |
0995d110 | 1475 | rfilt = ath9k_htc_calcrxfilter(priv); |
fb9987d0 S |
1476 | ath9k_hw_setrxfilter(priv->ah, rfilt); |
1477 | ||
1478 | ath_print(ath9k_hw_common(priv->ah), ATH_DBG_CONFIG, | |
1479 | "Set HW RX filter: 0x%x\n", rfilt); | |
1480 | ||
bde748a4 | 1481 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1482 | mutex_unlock(&priv->mutex); |
1483 | } | |
1484 | ||
abd984e6 S |
1485 | static int ath9k_htc_sta_add(struct ieee80211_hw *hw, |
1486 | struct ieee80211_vif *vif, | |
1487 | struct ieee80211_sta *sta) | |
fb9987d0 S |
1488 | { |
1489 | struct ath9k_htc_priv *priv = hw->priv; | |
1490 | int ret; | |
1491 | ||
05a30f9c | 1492 | mutex_lock(&priv->mutex); |
cb551df2 | 1493 | ath9k_htc_ps_wakeup(priv); |
abd984e6 S |
1494 | ret = ath9k_htc_add_station(priv, vif, sta); |
1495 | if (!ret) | |
1496 | ath9k_htc_init_rate(priv, sta); | |
1497 | ath9k_htc_ps_restore(priv); | |
1498 | mutex_unlock(&priv->mutex); | |
05a30f9c | 1499 | |
abd984e6 S |
1500 | return ret; |
1501 | } | |
1502 | ||
1503 | static int ath9k_htc_sta_remove(struct ieee80211_hw *hw, | |
1504 | struct ieee80211_vif *vif, | |
1505 | struct ieee80211_sta *sta) | |
1506 | { | |
1507 | struct ath9k_htc_priv *priv = hw->priv; | |
1508 | int ret; | |
05a30f9c | 1509 | |
abd984e6 S |
1510 | mutex_lock(&priv->mutex); |
1511 | ath9k_htc_ps_wakeup(priv); | |
1512 | ret = ath9k_htc_remove_station(priv, vif, sta); | |
cb551df2 | 1513 | ath9k_htc_ps_restore(priv); |
05a30f9c | 1514 | mutex_unlock(&priv->mutex); |
abd984e6 S |
1515 | |
1516 | return ret; | |
fb9987d0 S |
1517 | } |
1518 | ||
1519 | static int ath9k_htc_conf_tx(struct ieee80211_hw *hw, u16 queue, | |
1520 | const struct ieee80211_tx_queue_params *params) | |
1521 | { | |
1522 | struct ath9k_htc_priv *priv = hw->priv; | |
1523 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
1524 | struct ath9k_tx_queue_info qi; | |
1525 | int ret = 0, qnum; | |
1526 | ||
1527 | if (queue >= WME_NUM_AC) | |
1528 | return 0; | |
1529 | ||
1530 | mutex_lock(&priv->mutex); | |
cb551df2 | 1531 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
1532 | |
1533 | memset(&qi, 0, sizeof(struct ath9k_tx_queue_info)); | |
1534 | ||
1535 | qi.tqi_aifs = params->aifs; | |
1536 | qi.tqi_cwmin = params->cw_min; | |
1537 | qi.tqi_cwmax = params->cw_max; | |
1538 | qi.tqi_burstTime = params->txop; | |
1539 | ||
1540 | qnum = get_hw_qnum(queue, priv->hwq_map); | |
1541 | ||
1542 | ath_print(common, ATH_DBG_CONFIG, | |
1543 | "Configure tx [queue/hwq] [%d/%d], " | |
1544 | "aifs: %d, cw_min: %d, cw_max: %d, txop: %d\n", | |
1545 | queue, qnum, params->aifs, params->cw_min, | |
1546 | params->cw_max, params->txop); | |
1547 | ||
e1572c5e | 1548 | ret = ath_htc_txq_update(priv, qnum, &qi); |
764580f5 | 1549 | if (ret) { |
fb9987d0 | 1550 | ath_print(common, ATH_DBG_FATAL, "TXQ Update failed\n"); |
764580f5 S |
1551 | goto out; |
1552 | } | |
fb9987d0 | 1553 | |
764580f5 | 1554 | if ((priv->ah->opmode == NL80211_IFTYPE_ADHOC) && |
e8c35a77 | 1555 | (qnum == priv->hwq_map[WME_AC_BE])) |
764580f5 S |
1556 | ath9k_htc_beaconq_config(priv); |
1557 | out: | |
cb551df2 | 1558 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1559 | mutex_unlock(&priv->mutex); |
1560 | ||
1561 | return ret; | |
1562 | } | |
1563 | ||
1564 | static int ath9k_htc_set_key(struct ieee80211_hw *hw, | |
1565 | enum set_key_cmd cmd, | |
1566 | struct ieee80211_vif *vif, | |
1567 | struct ieee80211_sta *sta, | |
1568 | struct ieee80211_key_conf *key) | |
1569 | { | |
1570 | struct ath9k_htc_priv *priv = hw->priv; | |
1571 | struct ath_common *common = ath9k_hw_common(priv->ah); | |
1572 | int ret = 0; | |
1573 | ||
e1572c5e | 1574 | if (htc_modparam_nohwcrypt) |
fb9987d0 S |
1575 | return -ENOSPC; |
1576 | ||
1577 | mutex_lock(&priv->mutex); | |
1578 | ath_print(common, ATH_DBG_CONFIG, "Set HW Key\n"); | |
bde748a4 | 1579 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
1580 | |
1581 | switch (cmd) { | |
1582 | case SET_KEY: | |
1583 | ret = ath9k_cmn_key_config(common, vif, sta, key); | |
1584 | if (ret >= 0) { | |
1585 | key->hw_key_idx = ret; | |
1586 | /* push IV and Michael MIC generation to stack */ | |
1587 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; | |
1588 | if (key->alg == ALG_TKIP) | |
1589 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; | |
1590 | if (priv->ah->sw_mgmt_crypto && key->alg == ALG_CCMP) | |
1591 | key->flags |= IEEE80211_KEY_FLAG_SW_MGMT; | |
1592 | ret = 0; | |
1593 | } | |
1594 | break; | |
1595 | case DISABLE_KEY: | |
1596 | ath9k_cmn_key_delete(common, key); | |
1597 | break; | |
1598 | default: | |
1599 | ret = -EINVAL; | |
1600 | } | |
1601 | ||
bde748a4 | 1602 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1603 | mutex_unlock(&priv->mutex); |
1604 | ||
1605 | return ret; | |
1606 | } | |
1607 | ||
1608 | static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw, | |
1609 | struct ieee80211_vif *vif, | |
1610 | struct ieee80211_bss_conf *bss_conf, | |
1611 | u32 changed) | |
1612 | { | |
1613 | struct ath9k_htc_priv *priv = hw->priv; | |
1614 | struct ath_hw *ah = priv->ah; | |
1615 | struct ath_common *common = ath9k_hw_common(ah); | |
1616 | ||
1617 | mutex_lock(&priv->mutex); | |
bde748a4 | 1618 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
1619 | |
1620 | if (changed & BSS_CHANGED_ASSOC) { | |
1621 | common->curaid = bss_conf->assoc ? | |
1622 | bss_conf->aid : 0; | |
1623 | ath_print(common, ATH_DBG_CONFIG, "BSS Changed ASSOC %d\n", | |
1624 | bss_conf->assoc); | |
1625 | ||
1626 | if (bss_conf->assoc) { | |
1627 | priv->op_flags |= OP_ASSOCIATED; | |
1628 | ath_start_ani(priv); | |
1629 | } else { | |
1630 | priv->op_flags &= ~OP_ASSOCIATED; | |
1631 | cancel_delayed_work_sync(&priv->ath9k_ani_work); | |
1632 | } | |
1633 | } | |
1634 | ||
1635 | if (changed & BSS_CHANGED_BSSID) { | |
1636 | /* Set BSSID */ | |
1637 | memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN); | |
1638 | ath9k_hw_write_associd(ah); | |
1639 | ||
1640 | ath_print(common, ATH_DBG_CONFIG, | |
1641 | "BSSID: %pM aid: 0x%x\n", | |
1642 | common->curbssid, common->curaid); | |
1643 | } | |
1644 | ||
1645 | if ((changed & BSS_CHANGED_BEACON_INT) || | |
1646 | (changed & BSS_CHANGED_BEACON) || | |
1647 | ((changed & BSS_CHANGED_BEACON_ENABLED) && | |
1648 | bss_conf->enable_beacon)) { | |
1649 | priv->op_flags |= OP_ENABLE_BEACON; | |
1c3652a5 | 1650 | ath9k_htc_beacon_config(priv, vif); |
fb9987d0 S |
1651 | } |
1652 | ||
fb9987d0 S |
1653 | if ((changed & BSS_CHANGED_BEACON_ENABLED) && |
1654 | !bss_conf->enable_beacon) { | |
1655 | priv->op_flags &= ~OP_ENABLE_BEACON; | |
1c3652a5 | 1656 | ath9k_htc_beacon_config(priv, vif); |
fb9987d0 S |
1657 | } |
1658 | ||
1659 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
1660 | ath_print(common, ATH_DBG_CONFIG, "BSS Changed PREAMBLE %d\n", | |
1661 | bss_conf->use_short_preamble); | |
1662 | if (bss_conf->use_short_preamble) | |
1663 | priv->op_flags |= OP_PREAMBLE_SHORT; | |
1664 | else | |
1665 | priv->op_flags &= ~OP_PREAMBLE_SHORT; | |
1666 | } | |
1667 | ||
1668 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
1669 | ath_print(common, ATH_DBG_CONFIG, "BSS Changed CTS PROT %d\n", | |
1670 | bss_conf->use_cts_prot); | |
1671 | if (bss_conf->use_cts_prot && | |
1672 | hw->conf.channel->band != IEEE80211_BAND_5GHZ) | |
1673 | priv->op_flags |= OP_PROTECT_ENABLE; | |
1674 | else | |
1675 | priv->op_flags &= ~OP_PROTECT_ENABLE; | |
1676 | } | |
1677 | ||
1678 | if (changed & BSS_CHANGED_ERP_SLOT) { | |
1679 | if (bss_conf->use_short_slot) | |
1680 | ah->slottime = 9; | |
1681 | else | |
1682 | ah->slottime = 20; | |
1683 | ||
1684 | ath9k_hw_init_global_settings(ah); | |
1685 | } | |
1686 | ||
2c76ef89 S |
1687 | if (changed & BSS_CHANGED_HT) |
1688 | ath9k_htc_update_rate(priv, vif, bss_conf); | |
1689 | ||
bde748a4 | 1690 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1691 | mutex_unlock(&priv->mutex); |
1692 | } | |
1693 | ||
1694 | static u64 ath9k_htc_get_tsf(struct ieee80211_hw *hw) | |
1695 | { | |
1696 | struct ath9k_htc_priv *priv = hw->priv; | |
1697 | u64 tsf; | |
1698 | ||
1699 | mutex_lock(&priv->mutex); | |
cb551df2 | 1700 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 | 1701 | tsf = ath9k_hw_gettsf64(priv->ah); |
cb551df2 | 1702 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1703 | mutex_unlock(&priv->mutex); |
1704 | ||
1705 | return tsf; | |
1706 | } | |
1707 | ||
1708 | static void ath9k_htc_set_tsf(struct ieee80211_hw *hw, u64 tsf) | |
1709 | { | |
1710 | struct ath9k_htc_priv *priv = hw->priv; | |
1711 | ||
1712 | mutex_lock(&priv->mutex); | |
cb551df2 | 1713 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 | 1714 | ath9k_hw_settsf64(priv->ah, tsf); |
cb551df2 | 1715 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1716 | mutex_unlock(&priv->mutex); |
1717 | } | |
1718 | ||
1719 | static void ath9k_htc_reset_tsf(struct ieee80211_hw *hw) | |
1720 | { | |
1721 | struct ath9k_htc_priv *priv = hw->priv; | |
1722 | ||
1723 | mutex_lock(&priv->mutex); | |
cb551df2 | 1724 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 | 1725 | ath9k_hw_reset_tsf(priv->ah); |
bde748a4 | 1726 | ath9k_htc_ps_restore(priv); |
cb551df2 | 1727 | mutex_unlock(&priv->mutex); |
fb9987d0 S |
1728 | } |
1729 | ||
1730 | static int ath9k_htc_ampdu_action(struct ieee80211_hw *hw, | |
1731 | struct ieee80211_vif *vif, | |
1732 | enum ieee80211_ampdu_mlme_action action, | |
1733 | struct ieee80211_sta *sta, | |
1734 | u16 tid, u16 *ssn) | |
1735 | { | |
1736 | struct ath9k_htc_priv *priv = hw->priv; | |
fb9987d0 | 1737 | struct ath9k_htc_sta *ista; |
d7ca2139 | 1738 | int ret = 0; |
fb9987d0 S |
1739 | |
1740 | switch (action) { | |
1741 | case IEEE80211_AMPDU_RX_START: | |
1742 | break; | |
1743 | case IEEE80211_AMPDU_RX_STOP: | |
1744 | break; | |
1745 | case IEEE80211_AMPDU_TX_START: | |
d7ca2139 S |
1746 | ret = ath9k_htc_tx_aggr_oper(priv, vif, sta, action, tid); |
1747 | if (!ret) | |
1748 | ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
1749 | break; | |
fb9987d0 | 1750 | case IEEE80211_AMPDU_TX_STOP: |
d7ca2139 S |
1751 | ath9k_htc_tx_aggr_oper(priv, vif, sta, action, tid); |
1752 | ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
fb9987d0 S |
1753 | break; |
1754 | case IEEE80211_AMPDU_TX_OPERATIONAL: | |
1755 | ista = (struct ath9k_htc_sta *) sta->drv_priv; | |
d7ca2139 | 1756 | spin_lock_bh(&priv->tx_lock); |
fb9987d0 | 1757 | ista->tid_state[tid] = AGGR_OPERATIONAL; |
d7ca2139 | 1758 | spin_unlock_bh(&priv->tx_lock); |
fb9987d0 S |
1759 | break; |
1760 | default: | |
1761 | ath_print(ath9k_hw_common(priv->ah), ATH_DBG_FATAL, | |
1762 | "Unknown AMPDU action\n"); | |
1763 | } | |
1764 | ||
d7ca2139 | 1765 | return ret; |
fb9987d0 S |
1766 | } |
1767 | ||
1768 | static void ath9k_htc_sw_scan_start(struct ieee80211_hw *hw) | |
1769 | { | |
1770 | struct ath9k_htc_priv *priv = hw->priv; | |
1771 | ||
1772 | mutex_lock(&priv->mutex); | |
1773 | spin_lock_bh(&priv->beacon_lock); | |
1774 | priv->op_flags |= OP_SCANNING; | |
1775 | spin_unlock_bh(&priv->beacon_lock); | |
bde748a4 | 1776 | cancel_work_sync(&priv->ps_work); |
fb9987d0 S |
1777 | cancel_delayed_work_sync(&priv->ath9k_ani_work); |
1778 | mutex_unlock(&priv->mutex); | |
1779 | } | |
1780 | ||
1781 | static void ath9k_htc_sw_scan_complete(struct ieee80211_hw *hw) | |
1782 | { | |
1783 | struct ath9k_htc_priv *priv = hw->priv; | |
1784 | ||
1785 | mutex_lock(&priv->mutex); | |
cb551df2 | 1786 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
1787 | spin_lock_bh(&priv->beacon_lock); |
1788 | priv->op_flags &= ~OP_SCANNING; | |
1789 | spin_unlock_bh(&priv->beacon_lock); | |
1790 | priv->op_flags |= OP_FULL_RESET; | |
1c3652a5 | 1791 | if (priv->op_flags & OP_ASSOCIATED) |
fcb9392f | 1792 | ath9k_htc_beacon_config(priv, priv->vif); |
fb9987d0 | 1793 | ath_start_ani(priv); |
bde748a4 | 1794 | ath9k_htc_ps_restore(priv); |
cb551df2 | 1795 | mutex_unlock(&priv->mutex); |
fb9987d0 S |
1796 | } |
1797 | ||
1798 | static int ath9k_htc_set_rts_threshold(struct ieee80211_hw *hw, u32 value) | |
1799 | { | |
1800 | return 0; | |
1801 | } | |
1802 | ||
1803 | static void ath9k_htc_set_coverage_class(struct ieee80211_hw *hw, | |
1804 | u8 coverage_class) | |
1805 | { | |
1806 | struct ath9k_htc_priv *priv = hw->priv; | |
1807 | ||
1808 | mutex_lock(&priv->mutex); | |
cb551df2 | 1809 | ath9k_htc_ps_wakeup(priv); |
fb9987d0 S |
1810 | priv->ah->coverage_class = coverage_class; |
1811 | ath9k_hw_init_global_settings(priv->ah); | |
cb551df2 | 1812 | ath9k_htc_ps_restore(priv); |
fb9987d0 S |
1813 | mutex_unlock(&priv->mutex); |
1814 | } | |
1815 | ||
1816 | struct ieee80211_ops ath9k_htc_ops = { | |
1817 | .tx = ath9k_htc_tx, | |
1818 | .start = ath9k_htc_start, | |
1819 | .stop = ath9k_htc_stop, | |
1820 | .add_interface = ath9k_htc_add_interface, | |
1821 | .remove_interface = ath9k_htc_remove_interface, | |
1822 | .config = ath9k_htc_config, | |
1823 | .configure_filter = ath9k_htc_configure_filter, | |
abd984e6 S |
1824 | .sta_add = ath9k_htc_sta_add, |
1825 | .sta_remove = ath9k_htc_sta_remove, | |
fb9987d0 S |
1826 | .conf_tx = ath9k_htc_conf_tx, |
1827 | .bss_info_changed = ath9k_htc_bss_info_changed, | |
1828 | .set_key = ath9k_htc_set_key, | |
1829 | .get_tsf = ath9k_htc_get_tsf, | |
1830 | .set_tsf = ath9k_htc_set_tsf, | |
1831 | .reset_tsf = ath9k_htc_reset_tsf, | |
1832 | .ampdu_action = ath9k_htc_ampdu_action, | |
1833 | .sw_scan_start = ath9k_htc_sw_scan_start, | |
1834 | .sw_scan_complete = ath9k_htc_sw_scan_complete, | |
1835 | .set_rts_threshold = ath9k_htc_set_rts_threshold, | |
1836 | .rfkill_poll = ath9k_htc_rfkill_poll_state, | |
1837 | .set_coverage_class = ath9k_htc_set_coverage_class, | |
1838 | }; |