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5e3dd157 KV |
1 | /* |
2 | * Copyright (c) 2005-2011 Atheros Communications Inc. | |
3 | * Copyright (c) 2011-2013 Qualcomm Atheros, Inc. | |
4 | * | |
5 | * Permission to use, copy, modify, and/or distribute this software for any | |
6 | * purpose with or without fee is hereby granted, provided that the above | |
7 | * copyright notice and this permission notice appear in all copies. | |
8 | * | |
9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
16 | */ | |
17 | ||
18 | #include "mac.h" | |
19 | ||
20 | #include <net/mac80211.h> | |
21 | #include <linux/etherdevice.h> | |
22 | ||
23 | #include "core.h" | |
24 | #include "debug.h" | |
25 | #include "wmi.h" | |
26 | #include "htt.h" | |
27 | #include "txrx.h" | |
28 | ||
29 | /**********/ | |
30 | /* Crypto */ | |
31 | /**********/ | |
32 | ||
33 | static int ath10k_send_key(struct ath10k_vif *arvif, | |
34 | struct ieee80211_key_conf *key, | |
35 | enum set_key_cmd cmd, | |
36 | const u8 *macaddr) | |
37 | { | |
38 | struct wmi_vdev_install_key_arg arg = { | |
39 | .vdev_id = arvif->vdev_id, | |
40 | .key_idx = key->keyidx, | |
41 | .key_len = key->keylen, | |
42 | .key_data = key->key, | |
43 | .macaddr = macaddr, | |
44 | }; | |
45 | ||
46 | if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) | |
47 | arg.key_flags = WMI_KEY_PAIRWISE; | |
48 | else | |
49 | arg.key_flags = WMI_KEY_GROUP; | |
50 | ||
51 | switch (key->cipher) { | |
52 | case WLAN_CIPHER_SUITE_CCMP: | |
53 | arg.key_cipher = WMI_CIPHER_AES_CCM; | |
54 | key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; | |
55 | break; | |
56 | case WLAN_CIPHER_SUITE_TKIP: | |
5e3dd157 KV |
57 | arg.key_cipher = WMI_CIPHER_TKIP; |
58 | arg.key_txmic_len = 8; | |
59 | arg.key_rxmic_len = 8; | |
60 | break; | |
61 | case WLAN_CIPHER_SUITE_WEP40: | |
62 | case WLAN_CIPHER_SUITE_WEP104: | |
63 | arg.key_cipher = WMI_CIPHER_WEP; | |
64 | /* AP/IBSS mode requires self-key to be groupwise | |
65 | * Otherwise pairwise key must be set */ | |
66 | if (memcmp(macaddr, arvif->vif->addr, ETH_ALEN)) | |
67 | arg.key_flags = WMI_KEY_PAIRWISE; | |
68 | break; | |
69 | default: | |
70 | ath10k_warn("cipher %d is not supported\n", key->cipher); | |
71 | return -EOPNOTSUPP; | |
72 | } | |
73 | ||
74 | if (cmd == DISABLE_KEY) { | |
75 | arg.key_cipher = WMI_CIPHER_NONE; | |
76 | arg.key_data = NULL; | |
77 | } | |
78 | ||
79 | return ath10k_wmi_vdev_install_key(arvif->ar, &arg); | |
80 | } | |
81 | ||
82 | static int ath10k_install_key(struct ath10k_vif *arvif, | |
83 | struct ieee80211_key_conf *key, | |
84 | enum set_key_cmd cmd, | |
85 | const u8 *macaddr) | |
86 | { | |
87 | struct ath10k *ar = arvif->ar; | |
88 | int ret; | |
89 | ||
90 | INIT_COMPLETION(ar->install_key_done); | |
91 | ||
92 | ret = ath10k_send_key(arvif, key, cmd, macaddr); | |
93 | if (ret) | |
94 | return ret; | |
95 | ||
96 | ret = wait_for_completion_timeout(&ar->install_key_done, 3*HZ); | |
97 | if (ret == 0) | |
98 | return -ETIMEDOUT; | |
99 | ||
100 | return 0; | |
101 | } | |
102 | ||
103 | static int ath10k_install_peer_wep_keys(struct ath10k_vif *arvif, | |
104 | const u8 *addr) | |
105 | { | |
106 | struct ath10k *ar = arvif->ar; | |
107 | struct ath10k_peer *peer; | |
108 | int ret; | |
109 | int i; | |
110 | ||
111 | lockdep_assert_held(&ar->conf_mutex); | |
112 | ||
113 | spin_lock_bh(&ar->data_lock); | |
114 | peer = ath10k_peer_find(ar, arvif->vdev_id, addr); | |
115 | spin_unlock_bh(&ar->data_lock); | |
116 | ||
117 | if (!peer) | |
118 | return -ENOENT; | |
119 | ||
120 | for (i = 0; i < ARRAY_SIZE(arvif->wep_keys); i++) { | |
121 | if (arvif->wep_keys[i] == NULL) | |
122 | continue; | |
123 | ||
124 | ret = ath10k_install_key(arvif, arvif->wep_keys[i], SET_KEY, | |
125 | addr); | |
126 | if (ret) | |
127 | return ret; | |
128 | ||
129 | peer->keys[i] = arvif->wep_keys[i]; | |
130 | } | |
131 | ||
132 | return 0; | |
133 | } | |
134 | ||
135 | static int ath10k_clear_peer_keys(struct ath10k_vif *arvif, | |
136 | const u8 *addr) | |
137 | { | |
138 | struct ath10k *ar = arvif->ar; | |
139 | struct ath10k_peer *peer; | |
140 | int first_errno = 0; | |
141 | int ret; | |
142 | int i; | |
143 | ||
144 | lockdep_assert_held(&ar->conf_mutex); | |
145 | ||
146 | spin_lock_bh(&ar->data_lock); | |
147 | peer = ath10k_peer_find(ar, arvif->vdev_id, addr); | |
148 | spin_unlock_bh(&ar->data_lock); | |
149 | ||
150 | if (!peer) | |
151 | return -ENOENT; | |
152 | ||
153 | for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { | |
154 | if (peer->keys[i] == NULL) | |
155 | continue; | |
156 | ||
157 | ret = ath10k_install_key(arvif, peer->keys[i], | |
158 | DISABLE_KEY, addr); | |
159 | if (ret && first_errno == 0) | |
160 | first_errno = ret; | |
161 | ||
162 | if (ret) | |
163 | ath10k_warn("could not remove peer wep key %d (%d)\n", | |
164 | i, ret); | |
165 | ||
166 | peer->keys[i] = NULL; | |
167 | } | |
168 | ||
169 | return first_errno; | |
170 | } | |
171 | ||
172 | static int ath10k_clear_vdev_key(struct ath10k_vif *arvif, | |
173 | struct ieee80211_key_conf *key) | |
174 | { | |
175 | struct ath10k *ar = arvif->ar; | |
176 | struct ath10k_peer *peer; | |
177 | u8 addr[ETH_ALEN]; | |
178 | int first_errno = 0; | |
179 | int ret; | |
180 | int i; | |
181 | ||
182 | lockdep_assert_held(&ar->conf_mutex); | |
183 | ||
184 | for (;;) { | |
185 | /* since ath10k_install_key we can't hold data_lock all the | |
186 | * time, so we try to remove the keys incrementally */ | |
187 | spin_lock_bh(&ar->data_lock); | |
188 | i = 0; | |
189 | list_for_each_entry(peer, &ar->peers, list) { | |
190 | for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { | |
191 | if (peer->keys[i] == key) { | |
192 | memcpy(addr, peer->addr, ETH_ALEN); | |
193 | peer->keys[i] = NULL; | |
194 | break; | |
195 | } | |
196 | } | |
197 | ||
198 | if (i < ARRAY_SIZE(peer->keys)) | |
199 | break; | |
200 | } | |
201 | spin_unlock_bh(&ar->data_lock); | |
202 | ||
203 | if (i == ARRAY_SIZE(peer->keys)) | |
204 | break; | |
205 | ||
206 | ret = ath10k_install_key(arvif, key, DISABLE_KEY, addr); | |
207 | if (ret && first_errno == 0) | |
208 | first_errno = ret; | |
209 | ||
210 | if (ret) | |
211 | ath10k_warn("could not remove key for %pM\n", addr); | |
212 | } | |
213 | ||
214 | return first_errno; | |
215 | } | |
216 | ||
217 | ||
218 | /*********************/ | |
219 | /* General utilities */ | |
220 | /*********************/ | |
221 | ||
222 | static inline enum wmi_phy_mode | |
223 | chan_to_phymode(const struct cfg80211_chan_def *chandef) | |
224 | { | |
225 | enum wmi_phy_mode phymode = MODE_UNKNOWN; | |
226 | ||
227 | switch (chandef->chan->band) { | |
228 | case IEEE80211_BAND_2GHZ: | |
229 | switch (chandef->width) { | |
230 | case NL80211_CHAN_WIDTH_20_NOHT: | |
231 | phymode = MODE_11G; | |
232 | break; | |
233 | case NL80211_CHAN_WIDTH_20: | |
234 | phymode = MODE_11NG_HT20; | |
235 | break; | |
236 | case NL80211_CHAN_WIDTH_40: | |
237 | phymode = MODE_11NG_HT40; | |
238 | break; | |
0f817ed5 JL |
239 | case NL80211_CHAN_WIDTH_5: |
240 | case NL80211_CHAN_WIDTH_10: | |
5e3dd157 KV |
241 | case NL80211_CHAN_WIDTH_80: |
242 | case NL80211_CHAN_WIDTH_80P80: | |
243 | case NL80211_CHAN_WIDTH_160: | |
244 | phymode = MODE_UNKNOWN; | |
245 | break; | |
246 | } | |
247 | break; | |
248 | case IEEE80211_BAND_5GHZ: | |
249 | switch (chandef->width) { | |
250 | case NL80211_CHAN_WIDTH_20_NOHT: | |
251 | phymode = MODE_11A; | |
252 | break; | |
253 | case NL80211_CHAN_WIDTH_20: | |
254 | phymode = MODE_11NA_HT20; | |
255 | break; | |
256 | case NL80211_CHAN_WIDTH_40: | |
257 | phymode = MODE_11NA_HT40; | |
258 | break; | |
259 | case NL80211_CHAN_WIDTH_80: | |
260 | phymode = MODE_11AC_VHT80; | |
261 | break; | |
0f817ed5 JL |
262 | case NL80211_CHAN_WIDTH_5: |
263 | case NL80211_CHAN_WIDTH_10: | |
5e3dd157 KV |
264 | case NL80211_CHAN_WIDTH_80P80: |
265 | case NL80211_CHAN_WIDTH_160: | |
266 | phymode = MODE_UNKNOWN; | |
267 | break; | |
268 | } | |
269 | break; | |
270 | default: | |
271 | break; | |
272 | } | |
273 | ||
274 | WARN_ON(phymode == MODE_UNKNOWN); | |
275 | return phymode; | |
276 | } | |
277 | ||
278 | static u8 ath10k_parse_mpdudensity(u8 mpdudensity) | |
279 | { | |
280 | /* | |
281 | * 802.11n D2.0 defined values for "Minimum MPDU Start Spacing": | |
282 | * 0 for no restriction | |
283 | * 1 for 1/4 us | |
284 | * 2 for 1/2 us | |
285 | * 3 for 1 us | |
286 | * 4 for 2 us | |
287 | * 5 for 4 us | |
288 | * 6 for 8 us | |
289 | * 7 for 16 us | |
290 | */ | |
291 | switch (mpdudensity) { | |
292 | case 0: | |
293 | return 0; | |
294 | case 1: | |
295 | case 2: | |
296 | case 3: | |
297 | /* Our lower layer calculations limit our precision to | |
298 | 1 microsecond */ | |
299 | return 1; | |
300 | case 4: | |
301 | return 2; | |
302 | case 5: | |
303 | return 4; | |
304 | case 6: | |
305 | return 8; | |
306 | case 7: | |
307 | return 16; | |
308 | default: | |
309 | return 0; | |
310 | } | |
311 | } | |
312 | ||
313 | static int ath10k_peer_create(struct ath10k *ar, u32 vdev_id, const u8 *addr) | |
314 | { | |
315 | int ret; | |
316 | ||
317 | lockdep_assert_held(&ar->conf_mutex); | |
318 | ||
319 | ret = ath10k_wmi_peer_create(ar, vdev_id, addr); | |
320 | if (ret) | |
321 | return ret; | |
322 | ||
323 | ret = ath10k_wait_for_peer_created(ar, vdev_id, addr); | |
324 | if (ret) | |
325 | return ret; | |
326 | ||
327 | return 0; | |
328 | } | |
329 | ||
330 | static int ath10k_peer_delete(struct ath10k *ar, u32 vdev_id, const u8 *addr) | |
331 | { | |
332 | int ret; | |
333 | ||
334 | lockdep_assert_held(&ar->conf_mutex); | |
335 | ||
336 | ret = ath10k_wmi_peer_delete(ar, vdev_id, addr); | |
337 | if (ret) | |
338 | return ret; | |
339 | ||
340 | ret = ath10k_wait_for_peer_deleted(ar, vdev_id, addr); | |
341 | if (ret) | |
342 | return ret; | |
343 | ||
344 | return 0; | |
345 | } | |
346 | ||
347 | static void ath10k_peer_cleanup(struct ath10k *ar, u32 vdev_id) | |
348 | { | |
349 | struct ath10k_peer *peer, *tmp; | |
350 | ||
351 | lockdep_assert_held(&ar->conf_mutex); | |
352 | ||
353 | spin_lock_bh(&ar->data_lock); | |
354 | list_for_each_entry_safe(peer, tmp, &ar->peers, list) { | |
355 | if (peer->vdev_id != vdev_id) | |
356 | continue; | |
357 | ||
358 | ath10k_warn("removing stale peer %pM from vdev_id %d\n", | |
359 | peer->addr, vdev_id); | |
360 | ||
361 | list_del(&peer->list); | |
362 | kfree(peer); | |
363 | } | |
364 | spin_unlock_bh(&ar->data_lock); | |
365 | } | |
366 | ||
367 | /************************/ | |
368 | /* Interface management */ | |
369 | /************************/ | |
370 | ||
371 | static inline int ath10k_vdev_setup_sync(struct ath10k *ar) | |
372 | { | |
373 | int ret; | |
374 | ||
375 | ret = wait_for_completion_timeout(&ar->vdev_setup_done, | |
376 | ATH10K_VDEV_SETUP_TIMEOUT_HZ); | |
377 | if (ret == 0) | |
378 | return -ETIMEDOUT; | |
379 | ||
380 | return 0; | |
381 | } | |
382 | ||
383 | static int ath10k_vdev_start(struct ath10k_vif *arvif) | |
384 | { | |
385 | struct ath10k *ar = arvif->ar; | |
386 | struct ieee80211_conf *conf = &ar->hw->conf; | |
387 | struct ieee80211_channel *channel = conf->chandef.chan; | |
388 | struct wmi_vdev_start_request_arg arg = {}; | |
389 | int ret = 0; | |
390 | ||
391 | lockdep_assert_held(&ar->conf_mutex); | |
392 | ||
393 | INIT_COMPLETION(ar->vdev_setup_done); | |
394 | ||
395 | arg.vdev_id = arvif->vdev_id; | |
396 | arg.dtim_period = arvif->dtim_period; | |
397 | arg.bcn_intval = arvif->beacon_interval; | |
398 | ||
399 | arg.channel.freq = channel->center_freq; | |
400 | ||
401 | arg.channel.band_center_freq1 = conf->chandef.center_freq1; | |
402 | ||
403 | arg.channel.mode = chan_to_phymode(&conf->chandef); | |
404 | ||
405 | arg.channel.min_power = channel->max_power * 3; | |
406 | arg.channel.max_power = channel->max_power * 4; | |
407 | arg.channel.max_reg_power = channel->max_reg_power * 4; | |
408 | arg.channel.max_antenna_gain = channel->max_antenna_gain; | |
409 | ||
410 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { | |
411 | arg.ssid = arvif->u.ap.ssid; | |
412 | arg.ssid_len = arvif->u.ap.ssid_len; | |
413 | arg.hidden_ssid = arvif->u.ap.hidden_ssid; | |
414 | } else if (arvif->vdev_type == WMI_VDEV_TYPE_IBSS) { | |
415 | arg.ssid = arvif->vif->bss_conf.ssid; | |
416 | arg.ssid_len = arvif->vif->bss_conf.ssid_len; | |
417 | } | |
418 | ||
419 | ret = ath10k_wmi_vdev_start(ar, &arg); | |
420 | if (ret) { | |
421 | ath10k_warn("WMI vdev start failed: ret %d\n", ret); | |
422 | return ret; | |
423 | } | |
424 | ||
425 | ret = ath10k_vdev_setup_sync(ar); | |
426 | if (ret) { | |
427 | ath10k_warn("vdev setup failed %d\n", ret); | |
428 | return ret; | |
429 | } | |
430 | ||
431 | return ret; | |
432 | } | |
433 | ||
434 | static int ath10k_vdev_stop(struct ath10k_vif *arvif) | |
435 | { | |
436 | struct ath10k *ar = arvif->ar; | |
437 | int ret; | |
438 | ||
439 | lockdep_assert_held(&ar->conf_mutex); | |
440 | ||
441 | INIT_COMPLETION(ar->vdev_setup_done); | |
442 | ||
443 | ret = ath10k_wmi_vdev_stop(ar, arvif->vdev_id); | |
444 | if (ret) { | |
445 | ath10k_warn("WMI vdev stop failed: ret %d\n", ret); | |
446 | return ret; | |
447 | } | |
448 | ||
449 | ret = ath10k_vdev_setup_sync(ar); | |
450 | if (ret) { | |
451 | ath10k_warn("vdev setup failed %d\n", ret); | |
452 | return ret; | |
453 | } | |
454 | ||
455 | return ret; | |
456 | } | |
457 | ||
458 | static int ath10k_monitor_start(struct ath10k *ar, int vdev_id) | |
459 | { | |
460 | struct ieee80211_channel *channel = ar->hw->conf.chandef.chan; | |
461 | struct wmi_vdev_start_request_arg arg = {}; | |
462 | enum nl80211_channel_type type; | |
463 | int ret = 0; | |
464 | ||
465 | lockdep_assert_held(&ar->conf_mutex); | |
466 | ||
467 | type = cfg80211_get_chandef_type(&ar->hw->conf.chandef); | |
468 | ||
469 | arg.vdev_id = vdev_id; | |
470 | arg.channel.freq = channel->center_freq; | |
471 | arg.channel.band_center_freq1 = ar->hw->conf.chandef.center_freq1; | |
472 | ||
473 | /* TODO setup this dynamically, what in case we | |
474 | don't have any vifs? */ | |
475 | arg.channel.mode = chan_to_phymode(&ar->hw->conf.chandef); | |
476 | ||
477 | arg.channel.min_power = channel->max_power * 3; | |
478 | arg.channel.max_power = channel->max_power * 4; | |
479 | arg.channel.max_reg_power = channel->max_reg_power * 4; | |
480 | arg.channel.max_antenna_gain = channel->max_antenna_gain; | |
481 | ||
482 | ret = ath10k_wmi_vdev_start(ar, &arg); | |
483 | if (ret) { | |
484 | ath10k_warn("Monitor vdev start failed: ret %d\n", ret); | |
485 | return ret; | |
486 | } | |
487 | ||
488 | ret = ath10k_vdev_setup_sync(ar); | |
489 | if (ret) { | |
490 | ath10k_warn("Monitor vdev setup failed %d\n", ret); | |
491 | return ret; | |
492 | } | |
493 | ||
494 | ret = ath10k_wmi_vdev_up(ar, vdev_id, 0, ar->mac_addr); | |
495 | if (ret) { | |
496 | ath10k_warn("Monitor vdev up failed: %d\n", ret); | |
497 | goto vdev_stop; | |
498 | } | |
499 | ||
500 | ar->monitor_vdev_id = vdev_id; | |
501 | ar->monitor_enabled = true; | |
502 | ||
503 | return 0; | |
504 | ||
505 | vdev_stop: | |
506 | ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id); | |
507 | if (ret) | |
508 | ath10k_warn("Monitor vdev stop failed: %d\n", ret); | |
509 | ||
510 | return ret; | |
511 | } | |
512 | ||
513 | static int ath10k_monitor_stop(struct ath10k *ar) | |
514 | { | |
515 | int ret = 0; | |
516 | ||
517 | lockdep_assert_held(&ar->conf_mutex); | |
518 | ||
519 | /* For some reasons, ath10k_wmi_vdev_down() here couse | |
520 | * often ath10k_wmi_vdev_stop() to fail. Next we could | |
521 | * not run monitor vdev and driver reload | |
522 | * required. Don't see such problems we skip | |
523 | * ath10k_wmi_vdev_down() here. | |
524 | */ | |
525 | ||
526 | ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id); | |
527 | if (ret) | |
528 | ath10k_warn("Monitor vdev stop failed: %d\n", ret); | |
529 | ||
530 | ret = ath10k_vdev_setup_sync(ar); | |
531 | if (ret) | |
532 | ath10k_warn("Monitor_down sync failed: %d\n", ret); | |
533 | ||
534 | ar->monitor_enabled = false; | |
535 | return ret; | |
536 | } | |
537 | ||
538 | static int ath10k_monitor_create(struct ath10k *ar) | |
539 | { | |
540 | int bit, ret = 0; | |
541 | ||
542 | lockdep_assert_held(&ar->conf_mutex); | |
543 | ||
544 | if (ar->monitor_present) { | |
545 | ath10k_warn("Monitor mode already enabled\n"); | |
546 | return 0; | |
547 | } | |
548 | ||
549 | bit = ffs(ar->free_vdev_map); | |
550 | if (bit == 0) { | |
551 | ath10k_warn("No free VDEV slots\n"); | |
552 | return -ENOMEM; | |
553 | } | |
554 | ||
555 | ar->monitor_vdev_id = bit - 1; | |
556 | ar->free_vdev_map &= ~(1 << ar->monitor_vdev_id); | |
557 | ||
558 | ret = ath10k_wmi_vdev_create(ar, ar->monitor_vdev_id, | |
559 | WMI_VDEV_TYPE_MONITOR, | |
560 | 0, ar->mac_addr); | |
561 | if (ret) { | |
562 | ath10k_warn("WMI vdev monitor create failed: ret %d\n", ret); | |
563 | goto vdev_fail; | |
564 | } | |
565 | ||
566 | ath10k_dbg(ATH10K_DBG_MAC, "Monitor interface created, vdev id: %d\n", | |
567 | ar->monitor_vdev_id); | |
568 | ||
569 | ar->monitor_present = true; | |
570 | return 0; | |
571 | ||
572 | vdev_fail: | |
573 | /* | |
574 | * Restore the ID to the global map. | |
575 | */ | |
576 | ar->free_vdev_map |= 1 << (ar->monitor_vdev_id); | |
577 | return ret; | |
578 | } | |
579 | ||
580 | static int ath10k_monitor_destroy(struct ath10k *ar) | |
581 | { | |
582 | int ret = 0; | |
583 | ||
584 | lockdep_assert_held(&ar->conf_mutex); | |
585 | ||
586 | if (!ar->monitor_present) | |
587 | return 0; | |
588 | ||
589 | ret = ath10k_wmi_vdev_delete(ar, ar->monitor_vdev_id); | |
590 | if (ret) { | |
591 | ath10k_warn("WMI vdev monitor delete failed: %d\n", ret); | |
592 | return ret; | |
593 | } | |
594 | ||
595 | ar->free_vdev_map |= 1 << (ar->monitor_vdev_id); | |
596 | ar->monitor_present = false; | |
597 | ||
598 | ath10k_dbg(ATH10K_DBG_MAC, "Monitor interface destroyed, vdev id: %d\n", | |
599 | ar->monitor_vdev_id); | |
600 | return ret; | |
601 | } | |
602 | ||
603 | static void ath10k_control_beaconing(struct ath10k_vif *arvif, | |
604 | struct ieee80211_bss_conf *info) | |
605 | { | |
606 | int ret = 0; | |
607 | ||
608 | if (!info->enable_beacon) { | |
609 | ath10k_vdev_stop(arvif); | |
610 | return; | |
611 | } | |
612 | ||
613 | arvif->tx_seq_no = 0x1000; | |
614 | ||
615 | ret = ath10k_vdev_start(arvif); | |
616 | if (ret) | |
617 | return; | |
618 | ||
619 | ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, 0, info->bssid); | |
620 | if (ret) { | |
621 | ath10k_warn("Failed to bring up VDEV: %d\n", | |
622 | arvif->vdev_id); | |
623 | return; | |
624 | } | |
625 | ath10k_dbg(ATH10K_DBG_MAC, "VDEV: %d up\n", arvif->vdev_id); | |
626 | } | |
627 | ||
628 | static void ath10k_control_ibss(struct ath10k_vif *arvif, | |
629 | struct ieee80211_bss_conf *info, | |
630 | const u8 self_peer[ETH_ALEN]) | |
631 | { | |
632 | int ret = 0; | |
633 | ||
634 | if (!info->ibss_joined) { | |
635 | ret = ath10k_peer_delete(arvif->ar, arvif->vdev_id, self_peer); | |
636 | if (ret) | |
637 | ath10k_warn("Failed to delete IBSS self peer:%pM for VDEV:%d ret:%d\n", | |
638 | self_peer, arvif->vdev_id, ret); | |
639 | ||
640 | if (is_zero_ether_addr(arvif->u.ibss.bssid)) | |
641 | return; | |
642 | ||
643 | ret = ath10k_peer_delete(arvif->ar, arvif->vdev_id, | |
644 | arvif->u.ibss.bssid); | |
645 | if (ret) { | |
646 | ath10k_warn("Failed to delete IBSS BSSID peer:%pM for VDEV:%d ret:%d\n", | |
647 | arvif->u.ibss.bssid, arvif->vdev_id, ret); | |
648 | return; | |
649 | } | |
650 | ||
651 | memset(arvif->u.ibss.bssid, 0, ETH_ALEN); | |
652 | ||
653 | return; | |
654 | } | |
655 | ||
656 | ret = ath10k_peer_create(arvif->ar, arvif->vdev_id, self_peer); | |
657 | if (ret) { | |
658 | ath10k_warn("Failed to create IBSS self peer:%pM for VDEV:%d ret:%d\n", | |
659 | self_peer, arvif->vdev_id, ret); | |
660 | return; | |
661 | } | |
662 | ||
663 | ret = ath10k_wmi_vdev_set_param(arvif->ar, arvif->vdev_id, | |
664 | WMI_VDEV_PARAM_ATIM_WINDOW, | |
665 | ATH10K_DEFAULT_ATIM); | |
666 | if (ret) | |
667 | ath10k_warn("Failed to set IBSS ATIM for VDEV:%d ret:%d\n", | |
668 | arvif->vdev_id, ret); | |
669 | } | |
670 | ||
671 | /* | |
672 | * Review this when mac80211 gains per-interface powersave support. | |
673 | */ | |
674 | static void ath10k_ps_iter(void *data, u8 *mac, struct ieee80211_vif *vif) | |
675 | { | |
676 | struct ath10k_generic_iter *ar_iter = data; | |
677 | struct ieee80211_conf *conf = &ar_iter->ar->hw->conf; | |
678 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
679 | enum wmi_sta_powersave_param param; | |
680 | enum wmi_sta_ps_mode psmode; | |
681 | int ret; | |
682 | ||
683 | if (vif->type != NL80211_IFTYPE_STATION) | |
684 | return; | |
685 | ||
686 | if (conf->flags & IEEE80211_CONF_PS) { | |
687 | psmode = WMI_STA_PS_MODE_ENABLED; | |
688 | param = WMI_STA_PS_PARAM_INACTIVITY_TIME; | |
689 | ||
690 | ret = ath10k_wmi_set_sta_ps_param(ar_iter->ar, | |
691 | arvif->vdev_id, | |
692 | param, | |
693 | conf->dynamic_ps_timeout); | |
694 | if (ret) { | |
695 | ath10k_warn("Failed to set inactivity time for VDEV: %d\n", | |
696 | arvif->vdev_id); | |
697 | return; | |
698 | } | |
699 | ||
700 | ar_iter->ret = ret; | |
701 | } else { | |
702 | psmode = WMI_STA_PS_MODE_DISABLED; | |
703 | } | |
704 | ||
705 | ar_iter->ret = ath10k_wmi_set_psmode(ar_iter->ar, arvif->vdev_id, | |
706 | psmode); | |
707 | if (ar_iter->ret) | |
708 | ath10k_warn("Failed to set PS Mode: %d for VDEV: %d\n", | |
709 | psmode, arvif->vdev_id); | |
710 | else | |
711 | ath10k_dbg(ATH10K_DBG_MAC, "Set PS Mode: %d for VDEV: %d\n", | |
712 | psmode, arvif->vdev_id); | |
713 | } | |
714 | ||
715 | /**********************/ | |
716 | /* Station management */ | |
717 | /**********************/ | |
718 | ||
719 | static void ath10k_peer_assoc_h_basic(struct ath10k *ar, | |
720 | struct ath10k_vif *arvif, | |
721 | struct ieee80211_sta *sta, | |
722 | struct ieee80211_bss_conf *bss_conf, | |
723 | struct wmi_peer_assoc_complete_arg *arg) | |
724 | { | |
725 | memcpy(arg->addr, sta->addr, ETH_ALEN); | |
726 | arg->vdev_id = arvif->vdev_id; | |
727 | arg->peer_aid = sta->aid; | |
728 | arg->peer_flags |= WMI_PEER_AUTH; | |
729 | ||
730 | if (arvif->vdev_type == WMI_VDEV_TYPE_STA) | |
731 | /* | |
732 | * Seems FW have problems with Power Save in STA | |
733 | * mode when we setup this parameter to high (eg. 5). | |
734 | * Often we see that FW don't send NULL (with clean P flags) | |
735 | * frame even there is info about buffered frames in beacons. | |
736 | * Sometimes we have to wait more than 10 seconds before FW | |
737 | * will wakeup. Often sending one ping from AP to our device | |
738 | * just fail (more than 50%). | |
739 | * | |
740 | * Seems setting this FW parameter to 1 couse FW | |
741 | * will check every beacon and will wakup immediately | |
742 | * after detection buffered data. | |
743 | */ | |
744 | arg->peer_listen_intval = 1; | |
745 | else | |
746 | arg->peer_listen_intval = ar->hw->conf.listen_interval; | |
747 | ||
748 | arg->peer_num_spatial_streams = 1; | |
749 | ||
750 | /* | |
751 | * The assoc capabilities are available only in managed mode. | |
752 | */ | |
753 | if (arvif->vdev_type == WMI_VDEV_TYPE_STA && bss_conf) | |
754 | arg->peer_caps = bss_conf->assoc_capability; | |
755 | } | |
756 | ||
757 | static void ath10k_peer_assoc_h_crypto(struct ath10k *ar, | |
758 | struct ath10k_vif *arvif, | |
759 | struct wmi_peer_assoc_complete_arg *arg) | |
760 | { | |
761 | struct ieee80211_vif *vif = arvif->vif; | |
762 | struct ieee80211_bss_conf *info = &vif->bss_conf; | |
763 | struct cfg80211_bss *bss; | |
764 | const u8 *rsnie = NULL; | |
765 | const u8 *wpaie = NULL; | |
766 | ||
767 | bss = cfg80211_get_bss(ar->hw->wiphy, ar->hw->conf.chandef.chan, | |
768 | info->bssid, NULL, 0, 0, 0); | |
769 | if (bss) { | |
770 | const struct cfg80211_bss_ies *ies; | |
771 | ||
772 | rcu_read_lock(); | |
773 | rsnie = ieee80211_bss_get_ie(bss, WLAN_EID_RSN); | |
774 | ||
775 | ies = rcu_dereference(bss->ies); | |
776 | ||
777 | wpaie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, | |
778 | WLAN_OUI_TYPE_MICROSOFT_WPA, | |
779 | ies->data, | |
780 | ies->len); | |
781 | rcu_read_unlock(); | |
782 | cfg80211_put_bss(ar->hw->wiphy, bss); | |
783 | } | |
784 | ||
785 | /* FIXME: base on RSN IE/WPA IE is a correct idea? */ | |
786 | if (rsnie || wpaie) { | |
787 | ath10k_dbg(ATH10K_DBG_WMI, "%s: rsn ie found\n", __func__); | |
788 | arg->peer_flags |= WMI_PEER_NEED_PTK_4_WAY; | |
789 | } | |
790 | ||
791 | if (wpaie) { | |
792 | ath10k_dbg(ATH10K_DBG_WMI, "%s: wpa ie found\n", __func__); | |
793 | arg->peer_flags |= WMI_PEER_NEED_GTK_2_WAY; | |
794 | } | |
795 | } | |
796 | ||
797 | static void ath10k_peer_assoc_h_rates(struct ath10k *ar, | |
798 | struct ieee80211_sta *sta, | |
799 | struct wmi_peer_assoc_complete_arg *arg) | |
800 | { | |
801 | struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates; | |
802 | const struct ieee80211_supported_band *sband; | |
803 | const struct ieee80211_rate *rates; | |
804 | u32 ratemask; | |
805 | int i; | |
806 | ||
807 | sband = ar->hw->wiphy->bands[ar->hw->conf.chandef.chan->band]; | |
808 | ratemask = sta->supp_rates[ar->hw->conf.chandef.chan->band]; | |
809 | rates = sband->bitrates; | |
810 | ||
811 | rateset->num_rates = 0; | |
812 | ||
813 | for (i = 0; i < 32; i++, ratemask >>= 1, rates++) { | |
814 | if (!(ratemask & 1)) | |
815 | continue; | |
816 | ||
817 | rateset->rates[rateset->num_rates] = rates->hw_value; | |
818 | rateset->num_rates++; | |
819 | } | |
820 | } | |
821 | ||
822 | static void ath10k_peer_assoc_h_ht(struct ath10k *ar, | |
823 | struct ieee80211_sta *sta, | |
824 | struct wmi_peer_assoc_complete_arg *arg) | |
825 | { | |
826 | const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; | |
827 | int smps; | |
828 | int i, n; | |
829 | ||
830 | if (!ht_cap->ht_supported) | |
831 | return; | |
832 | ||
833 | arg->peer_flags |= WMI_PEER_HT; | |
834 | arg->peer_max_mpdu = (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR + | |
835 | ht_cap->ampdu_factor)) - 1; | |
836 | ||
837 | arg->peer_mpdu_density = | |
838 | ath10k_parse_mpdudensity(ht_cap->ampdu_density); | |
839 | ||
840 | arg->peer_ht_caps = ht_cap->cap; | |
841 | arg->peer_rate_caps |= WMI_RC_HT_FLAG; | |
842 | ||
843 | if (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING) | |
844 | arg->peer_flags |= WMI_PEER_LDPC; | |
845 | ||
846 | if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) { | |
847 | arg->peer_flags |= WMI_PEER_40MHZ; | |
848 | arg->peer_rate_caps |= WMI_RC_CW40_FLAG; | |
849 | } | |
850 | ||
851 | if (ht_cap->cap & IEEE80211_HT_CAP_SGI_20) | |
852 | arg->peer_rate_caps |= WMI_RC_SGI_FLAG; | |
853 | ||
854 | if (ht_cap->cap & IEEE80211_HT_CAP_SGI_40) | |
855 | arg->peer_rate_caps |= WMI_RC_SGI_FLAG; | |
856 | ||
857 | if (ht_cap->cap & IEEE80211_HT_CAP_TX_STBC) { | |
858 | arg->peer_rate_caps |= WMI_RC_TX_STBC_FLAG; | |
859 | arg->peer_flags |= WMI_PEER_STBC; | |
860 | } | |
861 | ||
862 | if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) { | |
863 | u32 stbc; | |
864 | stbc = ht_cap->cap & IEEE80211_HT_CAP_RX_STBC; | |
865 | stbc = stbc >> IEEE80211_HT_CAP_RX_STBC_SHIFT; | |
866 | stbc = stbc << WMI_RC_RX_STBC_FLAG_S; | |
867 | arg->peer_rate_caps |= stbc; | |
868 | arg->peer_flags |= WMI_PEER_STBC; | |
869 | } | |
870 | ||
871 | smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS; | |
872 | smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT; | |
873 | ||
874 | if (smps == WLAN_HT_CAP_SM_PS_STATIC) { | |
875 | arg->peer_flags |= WMI_PEER_SPATIAL_MUX; | |
876 | arg->peer_flags |= WMI_PEER_STATIC_MIMOPS; | |
877 | } else if (smps == WLAN_HT_CAP_SM_PS_DYNAMIC) { | |
878 | arg->peer_flags |= WMI_PEER_SPATIAL_MUX; | |
879 | arg->peer_flags |= WMI_PEER_DYN_MIMOPS; | |
880 | } | |
881 | ||
882 | if (ht_cap->mcs.rx_mask[1] && ht_cap->mcs.rx_mask[2]) | |
883 | arg->peer_rate_caps |= WMI_RC_TS_FLAG; | |
884 | else if (ht_cap->mcs.rx_mask[1]) | |
885 | arg->peer_rate_caps |= WMI_RC_DS_FLAG; | |
886 | ||
887 | for (i = 0, n = 0; i < IEEE80211_HT_MCS_MASK_LEN*8; i++) | |
888 | if (ht_cap->mcs.rx_mask[i/8] & (1 << i%8)) | |
889 | arg->peer_ht_rates.rates[n++] = i; | |
890 | ||
891 | arg->peer_ht_rates.num_rates = n; | |
892 | arg->peer_num_spatial_streams = max((n+7) / 8, 1); | |
893 | ||
894 | ath10k_dbg(ATH10K_DBG_MAC, "mcs cnt %d nss %d\n", | |
895 | arg->peer_ht_rates.num_rates, | |
896 | arg->peer_num_spatial_streams); | |
897 | } | |
898 | ||
899 | static void ath10k_peer_assoc_h_qos_ap(struct ath10k *ar, | |
900 | struct ath10k_vif *arvif, | |
901 | struct ieee80211_sta *sta, | |
902 | struct ieee80211_bss_conf *bss_conf, | |
903 | struct wmi_peer_assoc_complete_arg *arg) | |
904 | { | |
905 | u32 uapsd = 0; | |
906 | u32 max_sp = 0; | |
907 | ||
908 | if (sta->wme) | |
909 | arg->peer_flags |= WMI_PEER_QOS; | |
910 | ||
911 | if (sta->wme && sta->uapsd_queues) { | |
912 | ath10k_dbg(ATH10K_DBG_MAC, "uapsd_queues: 0x%X, max_sp: %d\n", | |
913 | sta->uapsd_queues, sta->max_sp); | |
914 | ||
915 | arg->peer_flags |= WMI_PEER_APSD; | |
916 | arg->peer_flags |= WMI_RC_UAPSD_FLAG; | |
917 | ||
918 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) | |
919 | uapsd |= WMI_AP_PS_UAPSD_AC3_DELIVERY_EN | | |
920 | WMI_AP_PS_UAPSD_AC3_TRIGGER_EN; | |
921 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI) | |
922 | uapsd |= WMI_AP_PS_UAPSD_AC2_DELIVERY_EN | | |
923 | WMI_AP_PS_UAPSD_AC2_TRIGGER_EN; | |
924 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK) | |
925 | uapsd |= WMI_AP_PS_UAPSD_AC1_DELIVERY_EN | | |
926 | WMI_AP_PS_UAPSD_AC1_TRIGGER_EN; | |
927 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE) | |
928 | uapsd |= WMI_AP_PS_UAPSD_AC0_DELIVERY_EN | | |
929 | WMI_AP_PS_UAPSD_AC0_TRIGGER_EN; | |
930 | ||
931 | ||
932 | if (sta->max_sp < MAX_WMI_AP_PS_PEER_PARAM_MAX_SP) | |
933 | max_sp = sta->max_sp; | |
934 | ||
935 | ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, | |
936 | sta->addr, | |
937 | WMI_AP_PS_PEER_PARAM_UAPSD, | |
938 | uapsd); | |
939 | ||
940 | ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, | |
941 | sta->addr, | |
942 | WMI_AP_PS_PEER_PARAM_MAX_SP, | |
943 | max_sp); | |
944 | ||
945 | /* TODO setup this based on STA listen interval and | |
946 | beacon interval. Currently we don't know | |
947 | sta->listen_interval - mac80211 patch required. | |
948 | Currently use 10 seconds */ | |
949 | ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, | |
950 | sta->addr, | |
951 | WMI_AP_PS_PEER_PARAM_AGEOUT_TIME, | |
952 | 10); | |
953 | } | |
954 | } | |
955 | ||
956 | static void ath10k_peer_assoc_h_qos_sta(struct ath10k *ar, | |
957 | struct ath10k_vif *arvif, | |
958 | struct ieee80211_sta *sta, | |
959 | struct ieee80211_bss_conf *bss_conf, | |
960 | struct wmi_peer_assoc_complete_arg *arg) | |
961 | { | |
962 | if (bss_conf->qos) | |
963 | arg->peer_flags |= WMI_PEER_QOS; | |
964 | } | |
965 | ||
966 | static void ath10k_peer_assoc_h_vht(struct ath10k *ar, | |
967 | struct ieee80211_sta *sta, | |
968 | struct wmi_peer_assoc_complete_arg *arg) | |
969 | { | |
970 | const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap; | |
971 | ||
972 | if (!vht_cap->vht_supported) | |
973 | return; | |
974 | ||
975 | arg->peer_flags |= WMI_PEER_VHT; | |
976 | ||
977 | arg->peer_vht_caps = vht_cap->cap; | |
978 | ||
979 | if (sta->bandwidth == IEEE80211_STA_RX_BW_80) | |
980 | arg->peer_flags |= WMI_PEER_80MHZ; | |
981 | ||
982 | arg->peer_vht_rates.rx_max_rate = | |
983 | __le16_to_cpu(vht_cap->vht_mcs.rx_highest); | |
984 | arg->peer_vht_rates.rx_mcs_set = | |
985 | __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map); | |
986 | arg->peer_vht_rates.tx_max_rate = | |
987 | __le16_to_cpu(vht_cap->vht_mcs.tx_highest); | |
988 | arg->peer_vht_rates.tx_mcs_set = | |
989 | __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map); | |
990 | ||
991 | ath10k_dbg(ATH10K_DBG_MAC, "mac vht peer\n"); | |
992 | } | |
993 | ||
994 | static void ath10k_peer_assoc_h_qos(struct ath10k *ar, | |
995 | struct ath10k_vif *arvif, | |
996 | struct ieee80211_sta *sta, | |
997 | struct ieee80211_bss_conf *bss_conf, | |
998 | struct wmi_peer_assoc_complete_arg *arg) | |
999 | { | |
1000 | switch (arvif->vdev_type) { | |
1001 | case WMI_VDEV_TYPE_AP: | |
1002 | ath10k_peer_assoc_h_qos_ap(ar, arvif, sta, bss_conf, arg); | |
1003 | break; | |
1004 | case WMI_VDEV_TYPE_STA: | |
1005 | ath10k_peer_assoc_h_qos_sta(ar, arvif, sta, bss_conf, arg); | |
1006 | break; | |
1007 | default: | |
1008 | break; | |
1009 | } | |
1010 | } | |
1011 | ||
1012 | static void ath10k_peer_assoc_h_phymode(struct ath10k *ar, | |
1013 | struct ath10k_vif *arvif, | |
1014 | struct ieee80211_sta *sta, | |
1015 | struct wmi_peer_assoc_complete_arg *arg) | |
1016 | { | |
1017 | enum wmi_phy_mode phymode = MODE_UNKNOWN; | |
1018 | ||
1019 | /* FIXME: add VHT */ | |
1020 | ||
1021 | switch (ar->hw->conf.chandef.chan->band) { | |
1022 | case IEEE80211_BAND_2GHZ: | |
1023 | if (sta->ht_cap.ht_supported) { | |
1024 | if (sta->bandwidth == IEEE80211_STA_RX_BW_40) | |
1025 | phymode = MODE_11NG_HT40; | |
1026 | else | |
1027 | phymode = MODE_11NG_HT20; | |
1028 | } else { | |
1029 | phymode = MODE_11G; | |
1030 | } | |
1031 | ||
1032 | break; | |
1033 | case IEEE80211_BAND_5GHZ: | |
1034 | if (sta->ht_cap.ht_supported) { | |
1035 | if (sta->bandwidth == IEEE80211_STA_RX_BW_40) | |
1036 | phymode = MODE_11NA_HT40; | |
1037 | else | |
1038 | phymode = MODE_11NA_HT20; | |
1039 | } else { | |
1040 | phymode = MODE_11A; | |
1041 | } | |
1042 | ||
1043 | break; | |
1044 | default: | |
1045 | break; | |
1046 | } | |
1047 | ||
1048 | arg->peer_phymode = phymode; | |
1049 | WARN_ON(phymode == MODE_UNKNOWN); | |
1050 | } | |
1051 | ||
1052 | static int ath10k_peer_assoc(struct ath10k *ar, | |
1053 | struct ath10k_vif *arvif, | |
1054 | struct ieee80211_sta *sta, | |
1055 | struct ieee80211_bss_conf *bss_conf) | |
1056 | { | |
1057 | struct wmi_peer_assoc_complete_arg arg; | |
1058 | ||
1059 | memset(&arg, 0, sizeof(struct wmi_peer_assoc_complete_arg)); | |
1060 | ||
1061 | ath10k_peer_assoc_h_basic(ar, arvif, sta, bss_conf, &arg); | |
1062 | ath10k_peer_assoc_h_crypto(ar, arvif, &arg); | |
1063 | ath10k_peer_assoc_h_rates(ar, sta, &arg); | |
1064 | ath10k_peer_assoc_h_ht(ar, sta, &arg); | |
1065 | ath10k_peer_assoc_h_vht(ar, sta, &arg); | |
1066 | ath10k_peer_assoc_h_qos(ar, arvif, sta, bss_conf, &arg); | |
1067 | ath10k_peer_assoc_h_phymode(ar, arvif, sta, &arg); | |
1068 | ||
1069 | return ath10k_wmi_peer_assoc(ar, &arg); | |
1070 | } | |
1071 | ||
1072 | /* can be called only in mac80211 callbacks due to `key_count` usage */ | |
1073 | static void ath10k_bss_assoc(struct ieee80211_hw *hw, | |
1074 | struct ieee80211_vif *vif, | |
1075 | struct ieee80211_bss_conf *bss_conf) | |
1076 | { | |
1077 | struct ath10k *ar = hw->priv; | |
1078 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
1079 | struct ieee80211_sta *ap_sta; | |
1080 | int ret; | |
1081 | ||
1082 | rcu_read_lock(); | |
1083 | ||
1084 | ap_sta = ieee80211_find_sta(vif, bss_conf->bssid); | |
1085 | if (!ap_sta) { | |
1086 | ath10k_warn("Failed to find station entry for %pM\n", | |
1087 | bss_conf->bssid); | |
1088 | rcu_read_unlock(); | |
1089 | return; | |
1090 | } | |
1091 | ||
1092 | ret = ath10k_peer_assoc(ar, arvif, ap_sta, bss_conf); | |
1093 | if (ret) { | |
1094 | ath10k_warn("Peer assoc failed for %pM\n", bss_conf->bssid); | |
1095 | rcu_read_unlock(); | |
1096 | return; | |
1097 | } | |
1098 | ||
1099 | rcu_read_unlock(); | |
1100 | ||
1101 | ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, bss_conf->aid, | |
1102 | bss_conf->bssid); | |
1103 | if (ret) | |
1104 | ath10k_warn("VDEV: %d up failed: ret %d\n", | |
1105 | arvif->vdev_id, ret); | |
1106 | else | |
1107 | ath10k_dbg(ATH10K_DBG_MAC, | |
1108 | "VDEV: %d associated, BSSID: %pM, AID: %d\n", | |
1109 | arvif->vdev_id, bss_conf->bssid, bss_conf->aid); | |
1110 | } | |
1111 | ||
1112 | /* | |
1113 | * FIXME: flush TIDs | |
1114 | */ | |
1115 | static void ath10k_bss_disassoc(struct ieee80211_hw *hw, | |
1116 | struct ieee80211_vif *vif) | |
1117 | { | |
1118 | struct ath10k *ar = hw->priv; | |
1119 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
1120 | int ret; | |
1121 | ||
1122 | /* | |
1123 | * For some reason, calling VDEV-DOWN before VDEV-STOP | |
1124 | * makes the FW to send frames via HTT after disassociation. | |
1125 | * No idea why this happens, even though VDEV-DOWN is supposed | |
1126 | * to be analogous to link down, so just stop the VDEV. | |
1127 | */ | |
1128 | ret = ath10k_vdev_stop(arvif); | |
1129 | if (!ret) | |
1130 | ath10k_dbg(ATH10K_DBG_MAC, "VDEV: %d stopped\n", | |
1131 | arvif->vdev_id); | |
1132 | ||
1133 | /* | |
1134 | * If we don't call VDEV-DOWN after VDEV-STOP FW will remain active and | |
1135 | * report beacons from previously associated network through HTT. | |
1136 | * This in turn would spam mac80211 WARN_ON if we bring down all | |
1137 | * interfaces as it expects there is no rx when no interface is | |
1138 | * running. | |
1139 | */ | |
1140 | ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); | |
1141 | if (ret) | |
1142 | ath10k_dbg(ATH10K_DBG_MAC, "VDEV: %d ath10k_wmi_vdev_down failed (%d)\n", | |
1143 | arvif->vdev_id, ret); | |
1144 | ||
1145 | ath10k_wmi_flush_tx(ar); | |
1146 | ||
1147 | arvif->def_wep_key_index = 0; | |
1148 | } | |
1149 | ||
1150 | static int ath10k_station_assoc(struct ath10k *ar, struct ath10k_vif *arvif, | |
1151 | struct ieee80211_sta *sta) | |
1152 | { | |
1153 | int ret = 0; | |
1154 | ||
1155 | ret = ath10k_peer_assoc(ar, arvif, sta, NULL); | |
1156 | if (ret) { | |
1157 | ath10k_warn("WMI peer assoc failed for %pM\n", sta->addr); | |
1158 | return ret; | |
1159 | } | |
1160 | ||
1161 | ret = ath10k_install_peer_wep_keys(arvif, sta->addr); | |
1162 | if (ret) { | |
1163 | ath10k_warn("could not install peer wep keys (%d)\n", ret); | |
1164 | return ret; | |
1165 | } | |
1166 | ||
1167 | return ret; | |
1168 | } | |
1169 | ||
1170 | static int ath10k_station_disassoc(struct ath10k *ar, struct ath10k_vif *arvif, | |
1171 | struct ieee80211_sta *sta) | |
1172 | { | |
1173 | int ret = 0; | |
1174 | ||
1175 | ret = ath10k_clear_peer_keys(arvif, sta->addr); | |
1176 | if (ret) { | |
1177 | ath10k_warn("could not clear all peer wep keys (%d)\n", ret); | |
1178 | return ret; | |
1179 | } | |
1180 | ||
1181 | return ret; | |
1182 | } | |
1183 | ||
1184 | /**************/ | |
1185 | /* Regulatory */ | |
1186 | /**************/ | |
1187 | ||
1188 | static int ath10k_update_channel_list(struct ath10k *ar) | |
1189 | { | |
1190 | struct ieee80211_hw *hw = ar->hw; | |
1191 | struct ieee80211_supported_band **bands; | |
1192 | enum ieee80211_band band; | |
1193 | struct ieee80211_channel *channel; | |
1194 | struct wmi_scan_chan_list_arg arg = {0}; | |
1195 | struct wmi_channel_arg *ch; | |
1196 | bool passive; | |
1197 | int len; | |
1198 | int ret; | |
1199 | int i; | |
1200 | ||
1201 | bands = hw->wiphy->bands; | |
1202 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
1203 | if (!bands[band]) | |
1204 | continue; | |
1205 | ||
1206 | for (i = 0; i < bands[band]->n_channels; i++) { | |
1207 | if (bands[band]->channels[i].flags & | |
1208 | IEEE80211_CHAN_DISABLED) | |
1209 | continue; | |
1210 | ||
1211 | arg.n_channels++; | |
1212 | } | |
1213 | } | |
1214 | ||
1215 | len = sizeof(struct wmi_channel_arg) * arg.n_channels; | |
1216 | arg.channels = kzalloc(len, GFP_KERNEL); | |
1217 | if (!arg.channels) | |
1218 | return -ENOMEM; | |
1219 | ||
1220 | ch = arg.channels; | |
1221 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
1222 | if (!bands[band]) | |
1223 | continue; | |
1224 | ||
1225 | for (i = 0; i < bands[band]->n_channels; i++) { | |
1226 | channel = &bands[band]->channels[i]; | |
1227 | ||
1228 | if (channel->flags & IEEE80211_CHAN_DISABLED) | |
1229 | continue; | |
1230 | ||
1231 | ch->allow_ht = true; | |
1232 | ||
1233 | /* FIXME: when should we really allow VHT? */ | |
1234 | ch->allow_vht = true; | |
1235 | ||
1236 | ch->allow_ibss = | |
1237 | !(channel->flags & IEEE80211_CHAN_NO_IBSS); | |
1238 | ||
1239 | ch->ht40plus = | |
1240 | !(channel->flags & IEEE80211_CHAN_NO_HT40PLUS); | |
1241 | ||
1242 | passive = channel->flags & IEEE80211_CHAN_PASSIVE_SCAN; | |
1243 | ch->passive = passive; | |
1244 | ||
1245 | ch->freq = channel->center_freq; | |
1246 | ch->min_power = channel->max_power * 3; | |
1247 | ch->max_power = channel->max_power * 4; | |
1248 | ch->max_reg_power = channel->max_reg_power * 4; | |
1249 | ch->max_antenna_gain = channel->max_antenna_gain; | |
1250 | ch->reg_class_id = 0; /* FIXME */ | |
1251 | ||
1252 | /* FIXME: why use only legacy modes, why not any | |
1253 | * HT/VHT modes? Would that even make any | |
1254 | * difference? */ | |
1255 | if (channel->band == IEEE80211_BAND_2GHZ) | |
1256 | ch->mode = MODE_11G; | |
1257 | else | |
1258 | ch->mode = MODE_11A; | |
1259 | ||
1260 | if (WARN_ON_ONCE(ch->mode == MODE_UNKNOWN)) | |
1261 | continue; | |
1262 | ||
1263 | ath10k_dbg(ATH10K_DBG_WMI, | |
1264 | "%s: [%zd/%d] freq %d maxpower %d regpower %d antenna %d mode %d\n", | |
1265 | __func__, ch - arg.channels, arg.n_channels, | |
1266 | ch->freq, ch->max_power, ch->max_reg_power, | |
1267 | ch->max_antenna_gain, ch->mode); | |
1268 | ||
1269 | ch++; | |
1270 | } | |
1271 | } | |
1272 | ||
1273 | ret = ath10k_wmi_scan_chan_list(ar, &arg); | |
1274 | kfree(arg.channels); | |
1275 | ||
1276 | return ret; | |
1277 | } | |
1278 | ||
1279 | static void ath10k_reg_notifier(struct wiphy *wiphy, | |
1280 | struct regulatory_request *request) | |
1281 | { | |
1282 | struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); | |
1283 | struct reg_dmn_pair_mapping *regpair; | |
1284 | struct ath10k *ar = hw->priv; | |
1285 | int ret; | |
1286 | ||
1287 | ath_reg_notifier_apply(wiphy, request, &ar->ath_common.regulatory); | |
1288 | ||
1289 | ret = ath10k_update_channel_list(ar); | |
1290 | if (ret) | |
1291 | ath10k_warn("could not update channel list (%d)\n", ret); | |
1292 | ||
1293 | regpair = ar->ath_common.regulatory.regpair; | |
1294 | /* Target allows setting up per-band regdomain but ath_common provides | |
1295 | * a combined one only */ | |
1296 | ret = ath10k_wmi_pdev_set_regdomain(ar, | |
1297 | regpair->regDmnEnum, | |
1298 | regpair->regDmnEnum, /* 2ghz */ | |
1299 | regpair->regDmnEnum, /* 5ghz */ | |
1300 | regpair->reg_2ghz_ctl, | |
1301 | regpair->reg_5ghz_ctl); | |
1302 | if (ret) | |
1303 | ath10k_warn("could not set pdev regdomain (%d)\n", ret); | |
1304 | } | |
1305 | ||
1306 | /***************/ | |
1307 | /* TX handlers */ | |
1308 | /***************/ | |
1309 | ||
1310 | /* | |
1311 | * Frames sent to the FW have to be in "Native Wifi" format. | |
1312 | * Strip the QoS field from the 802.11 header. | |
1313 | */ | |
1314 | static void ath10k_tx_h_qos_workaround(struct ieee80211_hw *hw, | |
1315 | struct ieee80211_tx_control *control, | |
1316 | struct sk_buff *skb) | |
1317 | { | |
1318 | struct ieee80211_hdr *hdr = (void *)skb->data; | |
1319 | u8 *qos_ctl; | |
1320 | ||
1321 | if (!ieee80211_is_data_qos(hdr->frame_control)) | |
1322 | return; | |
1323 | ||
1324 | qos_ctl = ieee80211_get_qos_ctl(hdr); | |
1325 | memmove(qos_ctl, qos_ctl + IEEE80211_QOS_CTL_LEN, | |
1326 | skb->len - ieee80211_hdrlen(hdr->frame_control)); | |
1327 | skb_trim(skb, skb->len - IEEE80211_QOS_CTL_LEN); | |
1328 | } | |
1329 | ||
1330 | static void ath10k_tx_h_update_wep_key(struct sk_buff *skb) | |
1331 | { | |
1332 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); | |
1333 | struct ieee80211_vif *vif = info->control.vif; | |
1334 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
1335 | struct ath10k *ar = arvif->ar; | |
1336 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; | |
1337 | struct ieee80211_key_conf *key = info->control.hw_key; | |
1338 | int ret; | |
1339 | ||
1340 | /* TODO AP mode should be implemented */ | |
1341 | if (vif->type != NL80211_IFTYPE_STATION) | |
1342 | return; | |
1343 | ||
1344 | if (!ieee80211_has_protected(hdr->frame_control)) | |
1345 | return; | |
1346 | ||
1347 | if (!key) | |
1348 | return; | |
1349 | ||
1350 | if (key->cipher != WLAN_CIPHER_SUITE_WEP40 && | |
1351 | key->cipher != WLAN_CIPHER_SUITE_WEP104) | |
1352 | return; | |
1353 | ||
1354 | if (key->keyidx == arvif->def_wep_key_index) | |
1355 | return; | |
1356 | ||
1357 | ath10k_dbg(ATH10K_DBG_MAC, "new wep keyidx will be %d\n", key->keyidx); | |
1358 | ||
1359 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, | |
1360 | WMI_VDEV_PARAM_DEF_KEYID, | |
1361 | key->keyidx); | |
1362 | if (ret) { | |
1363 | ath10k_warn("could not update wep keyidx (%d)\n", ret); | |
1364 | return; | |
1365 | } | |
1366 | ||
1367 | arvif->def_wep_key_index = key->keyidx; | |
1368 | } | |
1369 | ||
1370 | static void ath10k_tx_h_add_p2p_noa_ie(struct ath10k *ar, struct sk_buff *skb) | |
1371 | { | |
1372 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; | |
1373 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); | |
1374 | struct ieee80211_vif *vif = info->control.vif; | |
1375 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
1376 | ||
1377 | /* This is case only for P2P_GO */ | |
1378 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP || | |
1379 | arvif->vdev_subtype != WMI_VDEV_SUBTYPE_P2P_GO) | |
1380 | return; | |
1381 | ||
1382 | if (unlikely(ieee80211_is_probe_resp(hdr->frame_control))) { | |
1383 | spin_lock_bh(&ar->data_lock); | |
1384 | if (arvif->u.ap.noa_data) | |
1385 | if (!pskb_expand_head(skb, 0, arvif->u.ap.noa_len, | |
1386 | GFP_ATOMIC)) | |
1387 | memcpy(skb_put(skb, arvif->u.ap.noa_len), | |
1388 | arvif->u.ap.noa_data, | |
1389 | arvif->u.ap.noa_len); | |
1390 | spin_unlock_bh(&ar->data_lock); | |
1391 | } | |
1392 | } | |
1393 | ||
1394 | static void ath10k_tx_htt(struct ath10k *ar, struct sk_buff *skb) | |
1395 | { | |
1396 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; | |
1397 | int ret; | |
1398 | ||
1399 | if (ieee80211_is_mgmt(hdr->frame_control)) | |
edb8236d | 1400 | ret = ath10k_htt_mgmt_tx(&ar->htt, skb); |
5e3dd157 KV |
1401 | else if (ieee80211_is_nullfunc(hdr->frame_control)) |
1402 | /* FW does not report tx status properly for NullFunc frames | |
1403 | * unless they are sent through mgmt tx path. mac80211 sends | |
1404 | * those frames when it detects link/beacon loss and depends on | |
1405 | * the tx status to be correct. */ | |
edb8236d | 1406 | ret = ath10k_htt_mgmt_tx(&ar->htt, skb); |
5e3dd157 | 1407 | else |
edb8236d | 1408 | ret = ath10k_htt_tx(&ar->htt, skb); |
5e3dd157 KV |
1409 | |
1410 | if (ret) { | |
1411 | ath10k_warn("tx failed (%d). dropping packet.\n", ret); | |
1412 | ieee80211_free_txskb(ar->hw, skb); | |
1413 | } | |
1414 | } | |
1415 | ||
1416 | void ath10k_offchan_tx_purge(struct ath10k *ar) | |
1417 | { | |
1418 | struct sk_buff *skb; | |
1419 | ||
1420 | for (;;) { | |
1421 | skb = skb_dequeue(&ar->offchan_tx_queue); | |
1422 | if (!skb) | |
1423 | break; | |
1424 | ||
1425 | ieee80211_free_txskb(ar->hw, skb); | |
1426 | } | |
1427 | } | |
1428 | ||
1429 | void ath10k_offchan_tx_work(struct work_struct *work) | |
1430 | { | |
1431 | struct ath10k *ar = container_of(work, struct ath10k, offchan_tx_work); | |
1432 | struct ath10k_peer *peer; | |
1433 | struct ieee80211_hdr *hdr; | |
1434 | struct sk_buff *skb; | |
1435 | const u8 *peer_addr; | |
1436 | int vdev_id; | |
1437 | int ret; | |
1438 | ||
1439 | /* FW requirement: We must create a peer before FW will send out | |
1440 | * an offchannel frame. Otherwise the frame will be stuck and | |
1441 | * never transmitted. We delete the peer upon tx completion. | |
1442 | * It is unlikely that a peer for offchannel tx will already be | |
1443 | * present. However it may be in some rare cases so account for that. | |
1444 | * Otherwise we might remove a legitimate peer and break stuff. */ | |
1445 | ||
1446 | for (;;) { | |
1447 | skb = skb_dequeue(&ar->offchan_tx_queue); | |
1448 | if (!skb) | |
1449 | break; | |
1450 | ||
1451 | mutex_lock(&ar->conf_mutex); | |
1452 | ||
1453 | ath10k_dbg(ATH10K_DBG_MAC, "processing offchannel skb %p\n", | |
1454 | skb); | |
1455 | ||
1456 | hdr = (struct ieee80211_hdr *)skb->data; | |
1457 | peer_addr = ieee80211_get_DA(hdr); | |
1458 | vdev_id = ATH10K_SKB_CB(skb)->htt.vdev_id; | |
1459 | ||
1460 | spin_lock_bh(&ar->data_lock); | |
1461 | peer = ath10k_peer_find(ar, vdev_id, peer_addr); | |
1462 | spin_unlock_bh(&ar->data_lock); | |
1463 | ||
1464 | if (peer) | |
1465 | ath10k_dbg(ATH10K_DBG_MAC, "peer %pM on vdev %d already present\n", | |
1466 | peer_addr, vdev_id); | |
1467 | ||
1468 | if (!peer) { | |
1469 | ret = ath10k_peer_create(ar, vdev_id, peer_addr); | |
1470 | if (ret) | |
1471 | ath10k_warn("peer %pM on vdev %d not created (%d)\n", | |
1472 | peer_addr, vdev_id, ret); | |
1473 | } | |
1474 | ||
1475 | spin_lock_bh(&ar->data_lock); | |
1476 | INIT_COMPLETION(ar->offchan_tx_completed); | |
1477 | ar->offchan_tx_skb = skb; | |
1478 | spin_unlock_bh(&ar->data_lock); | |
1479 | ||
1480 | ath10k_tx_htt(ar, skb); | |
1481 | ||
1482 | ret = wait_for_completion_timeout(&ar->offchan_tx_completed, | |
1483 | 3 * HZ); | |
1484 | if (ret <= 0) | |
1485 | ath10k_warn("timed out waiting for offchannel skb %p\n", | |
1486 | skb); | |
1487 | ||
1488 | if (!peer) { | |
1489 | ret = ath10k_peer_delete(ar, vdev_id, peer_addr); | |
1490 | if (ret) | |
1491 | ath10k_warn("peer %pM on vdev %d not deleted (%d)\n", | |
1492 | peer_addr, vdev_id, ret); | |
1493 | } | |
1494 | ||
1495 | mutex_unlock(&ar->conf_mutex); | |
1496 | } | |
1497 | } | |
1498 | ||
1499 | /************/ | |
1500 | /* Scanning */ | |
1501 | /************/ | |
1502 | ||
1503 | /* | |
1504 | * This gets called if we dont get a heart-beat during scan. | |
1505 | * This may indicate the FW has hung and we need to abort the | |
1506 | * scan manually to prevent cancel_hw_scan() from deadlocking | |
1507 | */ | |
1508 | void ath10k_reset_scan(unsigned long ptr) | |
1509 | { | |
1510 | struct ath10k *ar = (struct ath10k *)ptr; | |
1511 | ||
1512 | spin_lock_bh(&ar->data_lock); | |
1513 | if (!ar->scan.in_progress) { | |
1514 | spin_unlock_bh(&ar->data_lock); | |
1515 | return; | |
1516 | } | |
1517 | ||
1518 | ath10k_warn("scan timeout. resetting. fw issue?\n"); | |
1519 | ||
1520 | if (ar->scan.is_roc) | |
1521 | ieee80211_remain_on_channel_expired(ar->hw); | |
1522 | else | |
1523 | ieee80211_scan_completed(ar->hw, 1 /* aborted */); | |
1524 | ||
1525 | ar->scan.in_progress = false; | |
1526 | complete_all(&ar->scan.completed); | |
1527 | spin_unlock_bh(&ar->data_lock); | |
1528 | } | |
1529 | ||
1530 | static int ath10k_abort_scan(struct ath10k *ar) | |
1531 | { | |
1532 | struct wmi_stop_scan_arg arg = { | |
1533 | .req_id = 1, /* FIXME */ | |
1534 | .req_type = WMI_SCAN_STOP_ONE, | |
1535 | .u.scan_id = ATH10K_SCAN_ID, | |
1536 | }; | |
1537 | int ret; | |
1538 | ||
1539 | lockdep_assert_held(&ar->conf_mutex); | |
1540 | ||
1541 | del_timer_sync(&ar->scan.timeout); | |
1542 | ||
1543 | spin_lock_bh(&ar->data_lock); | |
1544 | if (!ar->scan.in_progress) { | |
1545 | spin_unlock_bh(&ar->data_lock); | |
1546 | return 0; | |
1547 | } | |
1548 | ||
1549 | ar->scan.aborting = true; | |
1550 | spin_unlock_bh(&ar->data_lock); | |
1551 | ||
1552 | ret = ath10k_wmi_stop_scan(ar, &arg); | |
1553 | if (ret) { | |
1554 | ath10k_warn("could not submit wmi stop scan (%d)\n", ret); | |
1555 | return -EIO; | |
1556 | } | |
1557 | ||
1558 | ath10k_wmi_flush_tx(ar); | |
1559 | ||
1560 | ret = wait_for_completion_timeout(&ar->scan.completed, 3*HZ); | |
1561 | if (ret == 0) | |
1562 | ath10k_warn("timed out while waiting for scan to stop\n"); | |
1563 | ||
1564 | /* scan completion may be done right after we timeout here, so let's | |
1565 | * check the in_progress and tell mac80211 scan is completed. if we | |
1566 | * don't do that and FW fails to send us scan completion indication | |
1567 | * then userspace won't be able to scan anymore */ | |
1568 | ret = 0; | |
1569 | ||
1570 | spin_lock_bh(&ar->data_lock); | |
1571 | if (ar->scan.in_progress) { | |
1572 | ath10k_warn("could not stop scan. its still in progress\n"); | |
1573 | ar->scan.in_progress = false; | |
1574 | ath10k_offchan_tx_purge(ar); | |
1575 | ret = -ETIMEDOUT; | |
1576 | } | |
1577 | spin_unlock_bh(&ar->data_lock); | |
1578 | ||
1579 | return ret; | |
1580 | } | |
1581 | ||
1582 | static int ath10k_start_scan(struct ath10k *ar, | |
1583 | const struct wmi_start_scan_arg *arg) | |
1584 | { | |
1585 | int ret; | |
1586 | ||
1587 | lockdep_assert_held(&ar->conf_mutex); | |
1588 | ||
1589 | ret = ath10k_wmi_start_scan(ar, arg); | |
1590 | if (ret) | |
1591 | return ret; | |
1592 | ||
1593 | /* make sure we submit the command so the completion | |
1594 | * timeout makes sense */ | |
1595 | ath10k_wmi_flush_tx(ar); | |
1596 | ||
1597 | ret = wait_for_completion_timeout(&ar->scan.started, 1*HZ); | |
1598 | if (ret == 0) { | |
1599 | ath10k_abort_scan(ar); | |
1600 | return ret; | |
1601 | } | |
1602 | ||
1603 | /* the scan can complete earlier, before we even | |
1604 | * start the timer. in that case the timer handler | |
1605 | * checks ar->scan.in_progress and bails out if its | |
1606 | * false. Add a 200ms margin to account event/command | |
1607 | * processing. */ | |
1608 | mod_timer(&ar->scan.timeout, jiffies + | |
1609 | msecs_to_jiffies(arg->max_scan_time+200)); | |
1610 | return 0; | |
1611 | } | |
1612 | ||
1613 | /**********************/ | |
1614 | /* mac80211 callbacks */ | |
1615 | /**********************/ | |
1616 | ||
1617 | static void ath10k_tx(struct ieee80211_hw *hw, | |
1618 | struct ieee80211_tx_control *control, | |
1619 | struct sk_buff *skb) | |
1620 | { | |
1621 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); | |
1622 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; | |
1623 | struct ath10k *ar = hw->priv; | |
1624 | struct ath10k_vif *arvif = NULL; | |
1625 | u32 vdev_id = 0; | |
1626 | u8 tid; | |
1627 | ||
1628 | if (info->control.vif) { | |
1629 | arvif = ath10k_vif_to_arvif(info->control.vif); | |
1630 | vdev_id = arvif->vdev_id; | |
1631 | } else if (ar->monitor_enabled) { | |
1632 | vdev_id = ar->monitor_vdev_id; | |
1633 | } | |
1634 | ||
1635 | /* We should disable CCK RATE due to P2P */ | |
1636 | if (info->flags & IEEE80211_TX_CTL_NO_CCK_RATE) | |
1637 | ath10k_dbg(ATH10K_DBG_MAC, "IEEE80211_TX_CTL_NO_CCK_RATE\n"); | |
1638 | ||
1639 | /* we must calculate tid before we apply qos workaround | |
1640 | * as we'd lose the qos control field */ | |
1641 | tid = HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST; | |
1642 | if (ieee80211_is_data_qos(hdr->frame_control) && | |
1643 | is_unicast_ether_addr(ieee80211_get_DA(hdr))) { | |
1644 | u8 *qc = ieee80211_get_qos_ctl(hdr); | |
1645 | tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; | |
1646 | } | |
1647 | ||
1648 | ath10k_tx_h_qos_workaround(hw, control, skb); | |
1649 | ath10k_tx_h_update_wep_key(skb); | |
1650 | ath10k_tx_h_add_p2p_noa_ie(ar, skb); | |
1651 | ath10k_tx_h_seq_no(skb); | |
1652 | ||
1653 | memset(ATH10K_SKB_CB(skb), 0, sizeof(*ATH10K_SKB_CB(skb))); | |
1654 | ATH10K_SKB_CB(skb)->htt.vdev_id = vdev_id; | |
1655 | ATH10K_SKB_CB(skb)->htt.tid = tid; | |
1656 | ||
1657 | if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN) { | |
1658 | spin_lock_bh(&ar->data_lock); | |
1659 | ATH10K_SKB_CB(skb)->htt.is_offchan = true; | |
1660 | ATH10K_SKB_CB(skb)->htt.vdev_id = ar->scan.vdev_id; | |
1661 | spin_unlock_bh(&ar->data_lock); | |
1662 | ||
1663 | ath10k_dbg(ATH10K_DBG_MAC, "queued offchannel skb %p\n", skb); | |
1664 | ||
1665 | skb_queue_tail(&ar->offchan_tx_queue, skb); | |
1666 | ieee80211_queue_work(hw, &ar->offchan_tx_work); | |
1667 | return; | |
1668 | } | |
1669 | ||
1670 | ath10k_tx_htt(ar, skb); | |
1671 | } | |
1672 | ||
1673 | /* | |
1674 | * Initialize various parameters with default vaules. | |
1675 | */ | |
1676 | static int ath10k_start(struct ieee80211_hw *hw) | |
1677 | { | |
1678 | struct ath10k *ar = hw->priv; | |
1679 | int ret; | |
1680 | ||
1681 | ret = ath10k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_PMF_QOS, 1); | |
1682 | if (ret) | |
1683 | ath10k_warn("could not enable WMI_PDEV_PARAM_PMF_QOS (%d)\n", | |
1684 | ret); | |
1685 | ||
1686 | ret = ath10k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_DYNAMIC_BW, 0); | |
1687 | if (ret) | |
1688 | ath10k_warn("could not init WMI_PDEV_PARAM_DYNAMIC_BW (%d)\n", | |
1689 | ret); | |
1690 | ||
1691 | return 0; | |
1692 | } | |
1693 | ||
1694 | static void ath10k_stop(struct ieee80211_hw *hw) | |
1695 | { | |
1696 | struct ath10k *ar = hw->priv; | |
1697 | ||
1698 | /* avoid leaks in case FW never confirms scan for offchannel */ | |
1699 | cancel_work_sync(&ar->offchan_tx_work); | |
1700 | ath10k_offchan_tx_purge(ar); | |
1701 | } | |
1702 | ||
1703 | static int ath10k_config(struct ieee80211_hw *hw, u32 changed) | |
1704 | { | |
1705 | struct ath10k_generic_iter ar_iter; | |
1706 | struct ath10k *ar = hw->priv; | |
1707 | struct ieee80211_conf *conf = &hw->conf; | |
1708 | int ret = 0; | |
1709 | u32 flags; | |
1710 | ||
1711 | mutex_lock(&ar->conf_mutex); | |
1712 | ||
1713 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { | |
1714 | ath10k_dbg(ATH10K_DBG_MAC, "Config channel %d mhz\n", | |
1715 | conf->chandef.chan->center_freq); | |
1716 | spin_lock_bh(&ar->data_lock); | |
1717 | ar->rx_channel = conf->chandef.chan; | |
1718 | spin_unlock_bh(&ar->data_lock); | |
1719 | } | |
1720 | ||
1721 | if (changed & IEEE80211_CONF_CHANGE_PS) { | |
1722 | memset(&ar_iter, 0, sizeof(struct ath10k_generic_iter)); | |
1723 | ar_iter.ar = ar; | |
1724 | flags = IEEE80211_IFACE_ITER_RESUME_ALL; | |
1725 | ||
1726 | ieee80211_iterate_active_interfaces_atomic(hw, | |
1727 | flags, | |
1728 | ath10k_ps_iter, | |
1729 | &ar_iter); | |
1730 | ||
1731 | ret = ar_iter.ret; | |
1732 | } | |
1733 | ||
1734 | if (changed & IEEE80211_CONF_CHANGE_MONITOR) { | |
1735 | if (conf->flags & IEEE80211_CONF_MONITOR) | |
1736 | ret = ath10k_monitor_create(ar); | |
1737 | else | |
1738 | ret = ath10k_monitor_destroy(ar); | |
1739 | } | |
1740 | ||
1741 | mutex_unlock(&ar->conf_mutex); | |
1742 | return ret; | |
1743 | } | |
1744 | ||
1745 | /* | |
1746 | * TODO: | |
1747 | * Figure out how to handle WMI_VDEV_SUBTYPE_P2P_DEVICE, | |
1748 | * because we will send mgmt frames without CCK. This requirement | |
1749 | * for P2P_FIND/GO_NEG should be handled by checking CCK flag | |
1750 | * in the TX packet. | |
1751 | */ | |
1752 | static int ath10k_add_interface(struct ieee80211_hw *hw, | |
1753 | struct ieee80211_vif *vif) | |
1754 | { | |
1755 | struct ath10k *ar = hw->priv; | |
1756 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
1757 | enum wmi_sta_powersave_param param; | |
1758 | int ret = 0; | |
679c54a6 | 1759 | u32 value, rts, frag; |
5e3dd157 KV |
1760 | int bit; |
1761 | ||
1762 | mutex_lock(&ar->conf_mutex); | |
1763 | ||
1764 | arvif->ar = ar; | |
1765 | arvif->vif = vif; | |
1766 | ||
1767 | if ((vif->type == NL80211_IFTYPE_MONITOR) && ar->monitor_present) { | |
1768 | ath10k_warn("Only one monitor interface allowed\n"); | |
1769 | ret = -EBUSY; | |
1770 | goto exit; | |
1771 | } | |
1772 | ||
1773 | bit = ffs(ar->free_vdev_map); | |
1774 | if (bit == 0) { | |
1775 | ret = -EBUSY; | |
1776 | goto exit; | |
1777 | } | |
1778 | ||
1779 | arvif->vdev_id = bit - 1; | |
1780 | arvif->vdev_subtype = WMI_VDEV_SUBTYPE_NONE; | |
1781 | ar->free_vdev_map &= ~(1 << arvif->vdev_id); | |
1782 | ||
1783 | if (ar->p2p) | |
1784 | arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_DEVICE; | |
1785 | ||
1786 | switch (vif->type) { | |
1787 | case NL80211_IFTYPE_UNSPECIFIED: | |
1788 | case NL80211_IFTYPE_STATION: | |
1789 | arvif->vdev_type = WMI_VDEV_TYPE_STA; | |
1790 | if (vif->p2p) | |
1791 | arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_CLIENT; | |
1792 | break; | |
1793 | case NL80211_IFTYPE_ADHOC: | |
1794 | arvif->vdev_type = WMI_VDEV_TYPE_IBSS; | |
1795 | break; | |
1796 | case NL80211_IFTYPE_AP: | |
1797 | arvif->vdev_type = WMI_VDEV_TYPE_AP; | |
1798 | ||
1799 | if (vif->p2p) | |
1800 | arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_GO; | |
1801 | break; | |
1802 | case NL80211_IFTYPE_MONITOR: | |
1803 | arvif->vdev_type = WMI_VDEV_TYPE_MONITOR; | |
1804 | break; | |
1805 | default: | |
1806 | WARN_ON(1); | |
1807 | break; | |
1808 | } | |
1809 | ||
1810 | ath10k_dbg(ATH10K_DBG_MAC, "Add interface: id %d type %d subtype %d\n", | |
1811 | arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype); | |
1812 | ||
1813 | ret = ath10k_wmi_vdev_create(ar, arvif->vdev_id, arvif->vdev_type, | |
1814 | arvif->vdev_subtype, vif->addr); | |
1815 | if (ret) { | |
1816 | ath10k_warn("WMI vdev create failed: ret %d\n", ret); | |
1817 | goto exit; | |
1818 | } | |
1819 | ||
1820 | ret = ath10k_wmi_vdev_set_param(ar, 0, WMI_VDEV_PARAM_DEF_KEYID, | |
1821 | arvif->def_wep_key_index); | |
1822 | if (ret) | |
1823 | ath10k_warn("Failed to set default keyid: %d\n", ret); | |
1824 | ||
1825 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, | |
1826 | WMI_VDEV_PARAM_TX_ENCAP_TYPE, | |
1827 | ATH10K_HW_TXRX_NATIVE_WIFI); | |
1828 | if (ret) | |
1829 | ath10k_warn("Failed to set TX encap: %d\n", ret); | |
1830 | ||
1831 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { | |
1832 | ret = ath10k_peer_create(ar, arvif->vdev_id, vif->addr); | |
1833 | if (ret) { | |
1834 | ath10k_warn("Failed to create peer for AP: %d\n", ret); | |
1835 | goto exit; | |
1836 | } | |
1837 | } | |
1838 | ||
1839 | if (arvif->vdev_type == WMI_VDEV_TYPE_STA) { | |
1840 | param = WMI_STA_PS_PARAM_RX_WAKE_POLICY; | |
1841 | value = WMI_STA_PS_RX_WAKE_POLICY_WAKE; | |
1842 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
1843 | param, value); | |
1844 | if (ret) | |
1845 | ath10k_warn("Failed to set RX wake policy: %d\n", ret); | |
1846 | ||
1847 | param = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD; | |
1848 | value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS; | |
1849 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
1850 | param, value); | |
1851 | if (ret) | |
1852 | ath10k_warn("Failed to set TX wake thresh: %d\n", ret); | |
1853 | ||
1854 | param = WMI_STA_PS_PARAM_PSPOLL_COUNT; | |
1855 | value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX; | |
1856 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
1857 | param, value); | |
1858 | if (ret) | |
1859 | ath10k_warn("Failed to set PSPOLL count: %d\n", ret); | |
1860 | } | |
1861 | ||
679c54a6 MK |
1862 | rts = min_t(u32, ar->hw->wiphy->rts_threshold, ATH10K_RTS_MAX); |
1863 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, | |
1864 | WMI_VDEV_PARAM_RTS_THRESHOLD, | |
1865 | rts); | |
1866 | if (ret) | |
1867 | ath10k_warn("failed to set rts threshold for vdev %d (%d)\n", | |
1868 | arvif->vdev_id, ret); | |
1869 | ||
1870 | frag = clamp_t(u32, ar->hw->wiphy->frag_threshold, | |
1871 | ATH10K_FRAGMT_THRESHOLD_MIN, | |
1872 | ATH10K_FRAGMT_THRESHOLD_MAX); | |
1873 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, | |
1874 | WMI_VDEV_PARAM_FRAGMENTATION_THRESHOLD, | |
1875 | frag); | |
1876 | if (ret) | |
1877 | ath10k_warn("failed to set frag threshold for vdev %d (%d)\n", | |
1878 | arvif->vdev_id, ret); | |
1879 | ||
5e3dd157 KV |
1880 | if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) |
1881 | ar->monitor_present = true; | |
1882 | ||
1883 | exit: | |
1884 | mutex_unlock(&ar->conf_mutex); | |
1885 | return ret; | |
1886 | } | |
1887 | ||
1888 | static void ath10k_remove_interface(struct ieee80211_hw *hw, | |
1889 | struct ieee80211_vif *vif) | |
1890 | { | |
1891 | struct ath10k *ar = hw->priv; | |
1892 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
1893 | int ret; | |
1894 | ||
1895 | mutex_lock(&ar->conf_mutex); | |
1896 | ||
1897 | ath10k_dbg(ATH10K_DBG_MAC, "Remove interface: id %d\n", arvif->vdev_id); | |
1898 | ||
1899 | ar->free_vdev_map |= 1 << (arvif->vdev_id); | |
1900 | ||
1901 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { | |
1902 | ret = ath10k_peer_delete(arvif->ar, arvif->vdev_id, vif->addr); | |
1903 | if (ret) | |
1904 | ath10k_warn("Failed to remove peer for AP: %d\n", ret); | |
1905 | ||
1906 | kfree(arvif->u.ap.noa_data); | |
1907 | } | |
1908 | ||
1909 | ret = ath10k_wmi_vdev_delete(ar, arvif->vdev_id); | |
1910 | if (ret) | |
1911 | ath10k_warn("WMI vdev delete failed: %d\n", ret); | |
1912 | ||
1913 | if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) | |
1914 | ar->monitor_present = false; | |
1915 | ||
1916 | ath10k_peer_cleanup(ar, arvif->vdev_id); | |
1917 | ||
1918 | mutex_unlock(&ar->conf_mutex); | |
1919 | } | |
1920 | ||
1921 | /* | |
1922 | * FIXME: Has to be verified. | |
1923 | */ | |
1924 | #define SUPPORTED_FILTERS \ | |
1925 | (FIF_PROMISC_IN_BSS | \ | |
1926 | FIF_ALLMULTI | \ | |
1927 | FIF_CONTROL | \ | |
1928 | FIF_PSPOLL | \ | |
1929 | FIF_OTHER_BSS | \ | |
1930 | FIF_BCN_PRBRESP_PROMISC | \ | |
1931 | FIF_PROBE_REQ | \ | |
1932 | FIF_FCSFAIL) | |
1933 | ||
1934 | static void ath10k_configure_filter(struct ieee80211_hw *hw, | |
1935 | unsigned int changed_flags, | |
1936 | unsigned int *total_flags, | |
1937 | u64 multicast) | |
1938 | { | |
1939 | struct ath10k *ar = hw->priv; | |
1940 | int ret; | |
1941 | ||
1942 | mutex_lock(&ar->conf_mutex); | |
1943 | ||
1944 | changed_flags &= SUPPORTED_FILTERS; | |
1945 | *total_flags &= SUPPORTED_FILTERS; | |
1946 | ar->filter_flags = *total_flags; | |
1947 | ||
1948 | if ((ar->filter_flags & FIF_PROMISC_IN_BSS) && | |
1949 | !ar->monitor_enabled) { | |
1950 | ret = ath10k_monitor_start(ar, ar->monitor_vdev_id); | |
1951 | if (ret) | |
1952 | ath10k_warn("Unable to start monitor mode\n"); | |
1953 | else | |
1954 | ath10k_dbg(ATH10K_DBG_MAC, "Monitor mode started\n"); | |
1955 | } else if (!(ar->filter_flags & FIF_PROMISC_IN_BSS) && | |
1956 | ar->monitor_enabled) { | |
1957 | ret = ath10k_monitor_stop(ar); | |
1958 | if (ret) | |
1959 | ath10k_warn("Unable to stop monitor mode\n"); | |
1960 | else | |
1961 | ath10k_dbg(ATH10K_DBG_MAC, "Monitor mode stopped\n"); | |
1962 | } | |
1963 | ||
1964 | mutex_unlock(&ar->conf_mutex); | |
1965 | } | |
1966 | ||
1967 | static void ath10k_bss_info_changed(struct ieee80211_hw *hw, | |
1968 | struct ieee80211_vif *vif, | |
1969 | struct ieee80211_bss_conf *info, | |
1970 | u32 changed) | |
1971 | { | |
1972 | struct ath10k *ar = hw->priv; | |
1973 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
1974 | int ret = 0; | |
1975 | ||
1976 | mutex_lock(&ar->conf_mutex); | |
1977 | ||
1978 | if (changed & BSS_CHANGED_IBSS) | |
1979 | ath10k_control_ibss(arvif, info, vif->addr); | |
1980 | ||
1981 | if (changed & BSS_CHANGED_BEACON_INT) { | |
1982 | arvif->beacon_interval = info->beacon_int; | |
1983 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, | |
1984 | WMI_VDEV_PARAM_BEACON_INTERVAL, | |
1985 | arvif->beacon_interval); | |
1986 | if (ret) | |
1987 | ath10k_warn("Failed to set beacon interval for VDEV: %d\n", | |
1988 | arvif->vdev_id); | |
1989 | else | |
1990 | ath10k_dbg(ATH10K_DBG_MAC, | |
1991 | "Beacon interval: %d set for VDEV: %d\n", | |
1992 | arvif->beacon_interval, arvif->vdev_id); | |
1993 | } | |
1994 | ||
1995 | if (changed & BSS_CHANGED_BEACON) { | |
1996 | ret = ath10k_wmi_pdev_set_param(ar, | |
1997 | WMI_PDEV_PARAM_BEACON_TX_MODE, | |
1998 | WMI_BEACON_STAGGERED_MODE); | |
1999 | if (ret) | |
2000 | ath10k_warn("Failed to set beacon mode for VDEV: %d\n", | |
2001 | arvif->vdev_id); | |
2002 | else | |
2003 | ath10k_dbg(ATH10K_DBG_MAC, | |
2004 | "Set staggered beacon mode for VDEV: %d\n", | |
2005 | arvif->vdev_id); | |
2006 | } | |
2007 | ||
b70727e8 | 2008 | if (changed & BSS_CHANGED_BEACON_INFO) { |
5e3dd157 KV |
2009 | arvif->dtim_period = info->dtim_period; |
2010 | ||
2011 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, | |
2012 | WMI_VDEV_PARAM_DTIM_PERIOD, | |
2013 | arvif->dtim_period); | |
2014 | if (ret) | |
2015 | ath10k_warn("Failed to set dtim period for VDEV: %d\n", | |
2016 | arvif->vdev_id); | |
2017 | else | |
2018 | ath10k_dbg(ATH10K_DBG_MAC, | |
2019 | "Set dtim period: %d for VDEV: %d\n", | |
2020 | arvif->dtim_period, arvif->vdev_id); | |
2021 | } | |
2022 | ||
2023 | if (changed & BSS_CHANGED_SSID && | |
2024 | vif->type == NL80211_IFTYPE_AP) { | |
2025 | arvif->u.ap.ssid_len = info->ssid_len; | |
2026 | if (info->ssid_len) | |
2027 | memcpy(arvif->u.ap.ssid, info->ssid, info->ssid_len); | |
2028 | arvif->u.ap.hidden_ssid = info->hidden_ssid; | |
2029 | } | |
2030 | ||
2031 | if (changed & BSS_CHANGED_BSSID) { | |
2032 | if (!is_zero_ether_addr(info->bssid)) { | |
2033 | ret = ath10k_peer_create(ar, arvif->vdev_id, | |
2034 | info->bssid); | |
2035 | if (ret) | |
2036 | ath10k_warn("Failed to add peer: %pM for VDEV: %d\n", | |
2037 | info->bssid, arvif->vdev_id); | |
2038 | else | |
2039 | ath10k_dbg(ATH10K_DBG_MAC, | |
2040 | "Added peer: %pM for VDEV: %d\n", | |
2041 | info->bssid, arvif->vdev_id); | |
2042 | ||
2043 | ||
2044 | if (vif->type == NL80211_IFTYPE_STATION) { | |
2045 | /* | |
2046 | * this is never erased as we it for crypto key | |
2047 | * clearing; this is FW requirement | |
2048 | */ | |
2049 | memcpy(arvif->u.sta.bssid, info->bssid, | |
2050 | ETH_ALEN); | |
2051 | ||
2052 | ret = ath10k_vdev_start(arvif); | |
2053 | if (!ret) | |
2054 | ath10k_dbg(ATH10K_DBG_MAC, | |
2055 | "VDEV: %d started with BSSID: %pM\n", | |
2056 | arvif->vdev_id, info->bssid); | |
2057 | } | |
2058 | ||
2059 | /* | |
2060 | * Mac80211 does not keep IBSS bssid when leaving IBSS, | |
2061 | * so driver need to store it. It is needed when leaving | |
2062 | * IBSS in order to remove BSSID peer. | |
2063 | */ | |
2064 | if (vif->type == NL80211_IFTYPE_ADHOC) | |
2065 | memcpy(arvif->u.ibss.bssid, info->bssid, | |
2066 | ETH_ALEN); | |
2067 | } | |
2068 | } | |
2069 | ||
2070 | if (changed & BSS_CHANGED_BEACON_ENABLED) | |
2071 | ath10k_control_beaconing(arvif, info); | |
2072 | ||
2073 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
2074 | u32 cts_prot; | |
2075 | if (info->use_cts_prot) | |
2076 | cts_prot = 1; | |
2077 | else | |
2078 | cts_prot = 0; | |
2079 | ||
2080 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, | |
2081 | WMI_VDEV_PARAM_ENABLE_RTSCTS, | |
2082 | cts_prot); | |
2083 | if (ret) | |
2084 | ath10k_warn("Failed to set CTS prot for VDEV: %d\n", | |
2085 | arvif->vdev_id); | |
2086 | else | |
2087 | ath10k_dbg(ATH10K_DBG_MAC, | |
2088 | "Set CTS prot: %d for VDEV: %d\n", | |
2089 | cts_prot, arvif->vdev_id); | |
2090 | } | |
2091 | ||
2092 | if (changed & BSS_CHANGED_ERP_SLOT) { | |
2093 | u32 slottime; | |
2094 | if (info->use_short_slot) | |
2095 | slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */ | |
2096 | ||
2097 | else | |
2098 | slottime = WMI_VDEV_SLOT_TIME_LONG; /* 20us */ | |
2099 | ||
2100 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, | |
2101 | WMI_VDEV_PARAM_SLOT_TIME, | |
2102 | slottime); | |
2103 | if (ret) | |
2104 | ath10k_warn("Failed to set erp slot for VDEV: %d\n", | |
2105 | arvif->vdev_id); | |
2106 | else | |
2107 | ath10k_dbg(ATH10K_DBG_MAC, | |
2108 | "Set slottime: %d for VDEV: %d\n", | |
2109 | slottime, arvif->vdev_id); | |
2110 | } | |
2111 | ||
2112 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
2113 | u32 preamble; | |
2114 | if (info->use_short_preamble) | |
2115 | preamble = WMI_VDEV_PREAMBLE_SHORT; | |
2116 | else | |
2117 | preamble = WMI_VDEV_PREAMBLE_LONG; | |
2118 | ||
2119 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, | |
2120 | WMI_VDEV_PARAM_PREAMBLE, | |
2121 | preamble); | |
2122 | if (ret) | |
2123 | ath10k_warn("Failed to set preamble for VDEV: %d\n", | |
2124 | arvif->vdev_id); | |
2125 | else | |
2126 | ath10k_dbg(ATH10K_DBG_MAC, | |
2127 | "Set preamble: %d for VDEV: %d\n", | |
2128 | preamble, arvif->vdev_id); | |
2129 | } | |
2130 | ||
2131 | if (changed & BSS_CHANGED_ASSOC) { | |
2132 | if (info->assoc) | |
2133 | ath10k_bss_assoc(hw, vif, info); | |
2134 | } | |
2135 | ||
2136 | mutex_unlock(&ar->conf_mutex); | |
2137 | } | |
2138 | ||
2139 | static int ath10k_hw_scan(struct ieee80211_hw *hw, | |
2140 | struct ieee80211_vif *vif, | |
2141 | struct cfg80211_scan_request *req) | |
2142 | { | |
2143 | struct ath10k *ar = hw->priv; | |
2144 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
2145 | struct wmi_start_scan_arg arg; | |
2146 | int ret = 0; | |
2147 | int i; | |
2148 | ||
2149 | mutex_lock(&ar->conf_mutex); | |
2150 | ||
2151 | spin_lock_bh(&ar->data_lock); | |
2152 | if (ar->scan.in_progress) { | |
2153 | spin_unlock_bh(&ar->data_lock); | |
2154 | ret = -EBUSY; | |
2155 | goto exit; | |
2156 | } | |
2157 | ||
2158 | INIT_COMPLETION(ar->scan.started); | |
2159 | INIT_COMPLETION(ar->scan.completed); | |
2160 | ar->scan.in_progress = true; | |
2161 | ar->scan.aborting = false; | |
2162 | ar->scan.is_roc = false; | |
2163 | ar->scan.vdev_id = arvif->vdev_id; | |
2164 | spin_unlock_bh(&ar->data_lock); | |
2165 | ||
2166 | memset(&arg, 0, sizeof(arg)); | |
2167 | ath10k_wmi_start_scan_init(ar, &arg); | |
2168 | arg.vdev_id = arvif->vdev_id; | |
2169 | arg.scan_id = ATH10K_SCAN_ID; | |
2170 | ||
2171 | if (!req->no_cck) | |
2172 | arg.scan_ctrl_flags |= WMI_SCAN_ADD_CCK_RATES; | |
2173 | ||
2174 | if (req->ie_len) { | |
2175 | arg.ie_len = req->ie_len; | |
2176 | memcpy(arg.ie, req->ie, arg.ie_len); | |
2177 | } | |
2178 | ||
2179 | if (req->n_ssids) { | |
2180 | arg.n_ssids = req->n_ssids; | |
2181 | for (i = 0; i < arg.n_ssids; i++) { | |
2182 | arg.ssids[i].len = req->ssids[i].ssid_len; | |
2183 | arg.ssids[i].ssid = req->ssids[i].ssid; | |
2184 | } | |
2185 | } | |
2186 | ||
2187 | if (req->n_channels) { | |
2188 | arg.n_channels = req->n_channels; | |
2189 | for (i = 0; i < arg.n_channels; i++) | |
2190 | arg.channels[i] = req->channels[i]->center_freq; | |
2191 | } | |
2192 | ||
2193 | ret = ath10k_start_scan(ar, &arg); | |
2194 | if (ret) { | |
2195 | ath10k_warn("could not start hw scan (%d)\n", ret); | |
2196 | spin_lock_bh(&ar->data_lock); | |
2197 | ar->scan.in_progress = false; | |
2198 | spin_unlock_bh(&ar->data_lock); | |
2199 | } | |
2200 | ||
2201 | exit: | |
2202 | mutex_unlock(&ar->conf_mutex); | |
2203 | return ret; | |
2204 | } | |
2205 | ||
2206 | static void ath10k_cancel_hw_scan(struct ieee80211_hw *hw, | |
2207 | struct ieee80211_vif *vif) | |
2208 | { | |
2209 | struct ath10k *ar = hw->priv; | |
2210 | int ret; | |
2211 | ||
2212 | mutex_lock(&ar->conf_mutex); | |
2213 | ret = ath10k_abort_scan(ar); | |
2214 | if (ret) { | |
2215 | ath10k_warn("couldn't abort scan (%d). forcefully sending scan completion to mac80211\n", | |
2216 | ret); | |
2217 | ieee80211_scan_completed(hw, 1 /* aborted */); | |
2218 | } | |
2219 | mutex_unlock(&ar->conf_mutex); | |
2220 | } | |
2221 | ||
2222 | static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, | |
2223 | struct ieee80211_vif *vif, struct ieee80211_sta *sta, | |
2224 | struct ieee80211_key_conf *key) | |
2225 | { | |
2226 | struct ath10k *ar = hw->priv; | |
2227 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
2228 | struct ath10k_peer *peer; | |
2229 | const u8 *peer_addr; | |
2230 | bool is_wep = key->cipher == WLAN_CIPHER_SUITE_WEP40 || | |
2231 | key->cipher == WLAN_CIPHER_SUITE_WEP104; | |
2232 | int ret = 0; | |
2233 | ||
2234 | if (key->keyidx > WMI_MAX_KEY_INDEX) | |
2235 | return -ENOSPC; | |
2236 | ||
2237 | mutex_lock(&ar->conf_mutex); | |
2238 | ||
2239 | if (sta) | |
2240 | peer_addr = sta->addr; | |
2241 | else if (arvif->vdev_type == WMI_VDEV_TYPE_STA) | |
2242 | peer_addr = vif->bss_conf.bssid; | |
2243 | else | |
2244 | peer_addr = vif->addr; | |
2245 | ||
2246 | key->hw_key_idx = key->keyidx; | |
2247 | ||
2248 | /* the peer should not disappear in mid-way (unless FW goes awry) since | |
2249 | * we already hold conf_mutex. we just make sure its there now. */ | |
2250 | spin_lock_bh(&ar->data_lock); | |
2251 | peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr); | |
2252 | spin_unlock_bh(&ar->data_lock); | |
2253 | ||
2254 | if (!peer) { | |
2255 | if (cmd == SET_KEY) { | |
2256 | ath10k_warn("cannot install key for non-existent peer %pM\n", | |
2257 | peer_addr); | |
2258 | ret = -EOPNOTSUPP; | |
2259 | goto exit; | |
2260 | } else { | |
2261 | /* if the peer doesn't exist there is no key to disable | |
2262 | * anymore */ | |
2263 | goto exit; | |
2264 | } | |
2265 | } | |
2266 | ||
2267 | if (is_wep) { | |
2268 | if (cmd == SET_KEY) | |
2269 | arvif->wep_keys[key->keyidx] = key; | |
2270 | else | |
2271 | arvif->wep_keys[key->keyidx] = NULL; | |
2272 | ||
2273 | if (cmd == DISABLE_KEY) | |
2274 | ath10k_clear_vdev_key(arvif, key); | |
2275 | } | |
2276 | ||
2277 | ret = ath10k_install_key(arvif, key, cmd, peer_addr); | |
2278 | if (ret) { | |
2279 | ath10k_warn("ath10k_install_key failed (%d)\n", ret); | |
2280 | goto exit; | |
2281 | } | |
2282 | ||
2283 | spin_lock_bh(&ar->data_lock); | |
2284 | peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr); | |
2285 | if (peer && cmd == SET_KEY) | |
2286 | peer->keys[key->keyidx] = key; | |
2287 | else if (peer && cmd == DISABLE_KEY) | |
2288 | peer->keys[key->keyidx] = NULL; | |
2289 | else if (peer == NULL) | |
2290 | /* impossible unless FW goes crazy */ | |
2291 | ath10k_warn("peer %pM disappeared!\n", peer_addr); | |
2292 | spin_unlock_bh(&ar->data_lock); | |
2293 | ||
2294 | exit: | |
2295 | mutex_unlock(&ar->conf_mutex); | |
2296 | return ret; | |
2297 | } | |
2298 | ||
2299 | static int ath10k_sta_state(struct ieee80211_hw *hw, | |
2300 | struct ieee80211_vif *vif, | |
2301 | struct ieee80211_sta *sta, | |
2302 | enum ieee80211_sta_state old_state, | |
2303 | enum ieee80211_sta_state new_state) | |
2304 | { | |
2305 | struct ath10k *ar = hw->priv; | |
2306 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
2307 | int ret = 0; | |
2308 | ||
2309 | mutex_lock(&ar->conf_mutex); | |
2310 | ||
2311 | if (old_state == IEEE80211_STA_NOTEXIST && | |
2312 | new_state == IEEE80211_STA_NONE && | |
2313 | vif->type != NL80211_IFTYPE_STATION) { | |
2314 | /* | |
2315 | * New station addition. | |
2316 | */ | |
2317 | ret = ath10k_peer_create(ar, arvif->vdev_id, sta->addr); | |
2318 | if (ret) | |
2319 | ath10k_warn("Failed to add peer: %pM for VDEV: %d\n", | |
2320 | sta->addr, arvif->vdev_id); | |
2321 | else | |
2322 | ath10k_dbg(ATH10K_DBG_MAC, | |
2323 | "Added peer: %pM for VDEV: %d\n", | |
2324 | sta->addr, arvif->vdev_id); | |
2325 | } else if ((old_state == IEEE80211_STA_NONE && | |
2326 | new_state == IEEE80211_STA_NOTEXIST)) { | |
2327 | /* | |
2328 | * Existing station deletion. | |
2329 | */ | |
2330 | ret = ath10k_peer_delete(ar, arvif->vdev_id, sta->addr); | |
2331 | if (ret) | |
2332 | ath10k_warn("Failed to delete peer: %pM for VDEV: %d\n", | |
2333 | sta->addr, arvif->vdev_id); | |
2334 | else | |
2335 | ath10k_dbg(ATH10K_DBG_MAC, | |
2336 | "Removed peer: %pM for VDEV: %d\n", | |
2337 | sta->addr, arvif->vdev_id); | |
2338 | ||
2339 | if (vif->type == NL80211_IFTYPE_STATION) | |
2340 | ath10k_bss_disassoc(hw, vif); | |
2341 | } else if (old_state == IEEE80211_STA_AUTH && | |
2342 | new_state == IEEE80211_STA_ASSOC && | |
2343 | (vif->type == NL80211_IFTYPE_AP || | |
2344 | vif->type == NL80211_IFTYPE_ADHOC)) { | |
2345 | /* | |
2346 | * New association. | |
2347 | */ | |
2348 | ret = ath10k_station_assoc(ar, arvif, sta); | |
2349 | if (ret) | |
2350 | ath10k_warn("Failed to associate station: %pM\n", | |
2351 | sta->addr); | |
2352 | else | |
2353 | ath10k_dbg(ATH10K_DBG_MAC, | |
2354 | "Station %pM moved to assoc state\n", | |
2355 | sta->addr); | |
2356 | } else if (old_state == IEEE80211_STA_ASSOC && | |
2357 | new_state == IEEE80211_STA_AUTH && | |
2358 | (vif->type == NL80211_IFTYPE_AP || | |
2359 | vif->type == NL80211_IFTYPE_ADHOC)) { | |
2360 | /* | |
2361 | * Disassociation. | |
2362 | */ | |
2363 | ret = ath10k_station_disassoc(ar, arvif, sta); | |
2364 | if (ret) | |
2365 | ath10k_warn("Failed to disassociate station: %pM\n", | |
2366 | sta->addr); | |
2367 | else | |
2368 | ath10k_dbg(ATH10K_DBG_MAC, | |
2369 | "Station %pM moved to disassociated state\n", | |
2370 | sta->addr); | |
2371 | } | |
2372 | ||
2373 | mutex_unlock(&ar->conf_mutex); | |
2374 | return ret; | |
2375 | } | |
2376 | ||
2377 | static int ath10k_conf_tx_uapsd(struct ath10k *ar, struct ieee80211_vif *vif, | |
2378 | u16 ac, bool enable) | |
2379 | { | |
2380 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
2381 | u32 value = 0; | |
2382 | int ret = 0; | |
2383 | ||
2384 | if (arvif->vdev_type != WMI_VDEV_TYPE_STA) | |
2385 | return 0; | |
2386 | ||
2387 | switch (ac) { | |
2388 | case IEEE80211_AC_VO: | |
2389 | value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN | | |
2390 | WMI_STA_PS_UAPSD_AC3_TRIGGER_EN; | |
2391 | break; | |
2392 | case IEEE80211_AC_VI: | |
2393 | value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN | | |
2394 | WMI_STA_PS_UAPSD_AC2_TRIGGER_EN; | |
2395 | break; | |
2396 | case IEEE80211_AC_BE: | |
2397 | value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN | | |
2398 | WMI_STA_PS_UAPSD_AC1_TRIGGER_EN; | |
2399 | break; | |
2400 | case IEEE80211_AC_BK: | |
2401 | value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN | | |
2402 | WMI_STA_PS_UAPSD_AC0_TRIGGER_EN; | |
2403 | break; | |
2404 | } | |
2405 | ||
2406 | if (enable) | |
2407 | arvif->u.sta.uapsd |= value; | |
2408 | else | |
2409 | arvif->u.sta.uapsd &= ~value; | |
2410 | ||
2411 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
2412 | WMI_STA_PS_PARAM_UAPSD, | |
2413 | arvif->u.sta.uapsd); | |
2414 | if (ret) { | |
2415 | ath10k_warn("could not set uapsd params %d\n", ret); | |
2416 | goto exit; | |
2417 | } | |
2418 | ||
2419 | if (arvif->u.sta.uapsd) | |
2420 | value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD; | |
2421 | else | |
2422 | value = WMI_STA_PS_RX_WAKE_POLICY_WAKE; | |
2423 | ||
2424 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
2425 | WMI_STA_PS_PARAM_RX_WAKE_POLICY, | |
2426 | value); | |
2427 | if (ret) | |
2428 | ath10k_warn("could not set rx wake param %d\n", ret); | |
2429 | ||
2430 | exit: | |
2431 | return ret; | |
2432 | } | |
2433 | ||
2434 | static int ath10k_conf_tx(struct ieee80211_hw *hw, | |
2435 | struct ieee80211_vif *vif, u16 ac, | |
2436 | const struct ieee80211_tx_queue_params *params) | |
2437 | { | |
2438 | struct ath10k *ar = hw->priv; | |
2439 | struct wmi_wmm_params_arg *p = NULL; | |
2440 | int ret; | |
2441 | ||
2442 | mutex_lock(&ar->conf_mutex); | |
2443 | ||
2444 | switch (ac) { | |
2445 | case IEEE80211_AC_VO: | |
2446 | p = &ar->wmm_params.ac_vo; | |
2447 | break; | |
2448 | case IEEE80211_AC_VI: | |
2449 | p = &ar->wmm_params.ac_vi; | |
2450 | break; | |
2451 | case IEEE80211_AC_BE: | |
2452 | p = &ar->wmm_params.ac_be; | |
2453 | break; | |
2454 | case IEEE80211_AC_BK: | |
2455 | p = &ar->wmm_params.ac_bk; | |
2456 | break; | |
2457 | } | |
2458 | ||
2459 | if (WARN_ON(!p)) { | |
2460 | ret = -EINVAL; | |
2461 | goto exit; | |
2462 | } | |
2463 | ||
2464 | p->cwmin = params->cw_min; | |
2465 | p->cwmax = params->cw_max; | |
2466 | p->aifs = params->aifs; | |
2467 | ||
2468 | /* | |
2469 | * The channel time duration programmed in the HW is in absolute | |
2470 | * microseconds, while mac80211 gives the txop in units of | |
2471 | * 32 microseconds. | |
2472 | */ | |
2473 | p->txop = params->txop * 32; | |
2474 | ||
2475 | /* FIXME: FW accepts wmm params per hw, not per vif */ | |
2476 | ret = ath10k_wmi_pdev_set_wmm_params(ar, &ar->wmm_params); | |
2477 | if (ret) { | |
2478 | ath10k_warn("could not set wmm params %d\n", ret); | |
2479 | goto exit; | |
2480 | } | |
2481 | ||
2482 | ret = ath10k_conf_tx_uapsd(ar, vif, ac, params->uapsd); | |
2483 | if (ret) | |
2484 | ath10k_warn("could not set sta uapsd %d\n", ret); | |
2485 | ||
2486 | exit: | |
2487 | mutex_unlock(&ar->conf_mutex); | |
2488 | return ret; | |
2489 | } | |
2490 | ||
2491 | #define ATH10K_ROC_TIMEOUT_HZ (2*HZ) | |
2492 | ||
2493 | static int ath10k_remain_on_channel(struct ieee80211_hw *hw, | |
2494 | struct ieee80211_vif *vif, | |
2495 | struct ieee80211_channel *chan, | |
2496 | int duration, | |
2497 | enum ieee80211_roc_type type) | |
2498 | { | |
2499 | struct ath10k *ar = hw->priv; | |
2500 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
2501 | struct wmi_start_scan_arg arg; | |
2502 | int ret; | |
2503 | ||
2504 | mutex_lock(&ar->conf_mutex); | |
2505 | ||
2506 | spin_lock_bh(&ar->data_lock); | |
2507 | if (ar->scan.in_progress) { | |
2508 | spin_unlock_bh(&ar->data_lock); | |
2509 | ret = -EBUSY; | |
2510 | goto exit; | |
2511 | } | |
2512 | ||
2513 | INIT_COMPLETION(ar->scan.started); | |
2514 | INIT_COMPLETION(ar->scan.completed); | |
2515 | INIT_COMPLETION(ar->scan.on_channel); | |
2516 | ar->scan.in_progress = true; | |
2517 | ar->scan.aborting = false; | |
2518 | ar->scan.is_roc = true; | |
2519 | ar->scan.vdev_id = arvif->vdev_id; | |
2520 | ar->scan.roc_freq = chan->center_freq; | |
2521 | spin_unlock_bh(&ar->data_lock); | |
2522 | ||
2523 | memset(&arg, 0, sizeof(arg)); | |
2524 | ath10k_wmi_start_scan_init(ar, &arg); | |
2525 | arg.vdev_id = arvif->vdev_id; | |
2526 | arg.scan_id = ATH10K_SCAN_ID; | |
2527 | arg.n_channels = 1; | |
2528 | arg.channels[0] = chan->center_freq; | |
2529 | arg.dwell_time_active = duration; | |
2530 | arg.dwell_time_passive = duration; | |
2531 | arg.max_scan_time = 2 * duration; | |
2532 | arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE; | |
2533 | arg.scan_ctrl_flags |= WMI_SCAN_FILTER_PROBE_REQ; | |
2534 | ||
2535 | ret = ath10k_start_scan(ar, &arg); | |
2536 | if (ret) { | |
2537 | ath10k_warn("could not start roc scan (%d)\n", ret); | |
2538 | spin_lock_bh(&ar->data_lock); | |
2539 | ar->scan.in_progress = false; | |
2540 | spin_unlock_bh(&ar->data_lock); | |
2541 | goto exit; | |
2542 | } | |
2543 | ||
2544 | ret = wait_for_completion_timeout(&ar->scan.on_channel, 3*HZ); | |
2545 | if (ret == 0) { | |
2546 | ath10k_warn("could not switch to channel for roc scan\n"); | |
2547 | ath10k_abort_scan(ar); | |
2548 | ret = -ETIMEDOUT; | |
2549 | goto exit; | |
2550 | } | |
2551 | ||
2552 | ret = 0; | |
2553 | exit: | |
2554 | mutex_unlock(&ar->conf_mutex); | |
2555 | return ret; | |
2556 | } | |
2557 | ||
2558 | static int ath10k_cancel_remain_on_channel(struct ieee80211_hw *hw) | |
2559 | { | |
2560 | struct ath10k *ar = hw->priv; | |
2561 | ||
2562 | mutex_lock(&ar->conf_mutex); | |
2563 | ath10k_abort_scan(ar); | |
2564 | mutex_unlock(&ar->conf_mutex); | |
2565 | ||
2566 | return 0; | |
2567 | } | |
2568 | ||
2569 | /* | |
2570 | * Both RTS and Fragmentation threshold are interface-specific | |
2571 | * in ath10k, but device-specific in mac80211. | |
2572 | */ | |
2573 | static void ath10k_set_rts_iter(void *data, u8 *mac, struct ieee80211_vif *vif) | |
2574 | { | |
2575 | struct ath10k_generic_iter *ar_iter = data; | |
2576 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
2577 | u32 rts = ar_iter->ar->hw->wiphy->rts_threshold; | |
2578 | ||
2579 | rts = min_t(u32, rts, ATH10K_RTS_MAX); | |
2580 | ||
2581 | ar_iter->ret = ath10k_wmi_vdev_set_param(ar_iter->ar, arvif->vdev_id, | |
2582 | WMI_VDEV_PARAM_RTS_THRESHOLD, | |
2583 | rts); | |
2584 | if (ar_iter->ret) | |
2585 | ath10k_warn("Failed to set RTS threshold for VDEV: %d\n", | |
2586 | arvif->vdev_id); | |
2587 | else | |
2588 | ath10k_dbg(ATH10K_DBG_MAC, | |
2589 | "Set RTS threshold: %d for VDEV: %d\n", | |
2590 | rts, arvif->vdev_id); | |
2591 | } | |
2592 | ||
2593 | static int ath10k_set_rts_threshold(struct ieee80211_hw *hw, u32 value) | |
2594 | { | |
2595 | struct ath10k_generic_iter ar_iter; | |
2596 | struct ath10k *ar = hw->priv; | |
2597 | ||
2598 | memset(&ar_iter, 0, sizeof(struct ath10k_generic_iter)); | |
2599 | ar_iter.ar = ar; | |
2600 | ||
2601 | mutex_lock(&ar->conf_mutex); | |
80c78c67 | 2602 | ieee80211_iterate_active_interfaces_atomic( |
671b96db | 2603 | hw, IEEE80211_IFACE_ITER_NORMAL, |
80c78c67 | 2604 | ath10k_set_rts_iter, &ar_iter); |
5e3dd157 KV |
2605 | mutex_unlock(&ar->conf_mutex); |
2606 | ||
2607 | return ar_iter.ret; | |
2608 | } | |
2609 | ||
2610 | static void ath10k_set_frag_iter(void *data, u8 *mac, struct ieee80211_vif *vif) | |
2611 | { | |
2612 | struct ath10k_generic_iter *ar_iter = data; | |
2613 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
2614 | u32 frag = ar_iter->ar->hw->wiphy->frag_threshold; | |
2615 | int ret; | |
2616 | ||
2617 | frag = clamp_t(u32, frag, | |
2618 | ATH10K_FRAGMT_THRESHOLD_MIN, | |
2619 | ATH10K_FRAGMT_THRESHOLD_MAX); | |
2620 | ||
2621 | ret = ath10k_wmi_vdev_set_param(ar_iter->ar, arvif->vdev_id, | |
2622 | WMI_VDEV_PARAM_FRAGMENTATION_THRESHOLD, | |
2623 | frag); | |
2624 | ||
2625 | ar_iter->ret = ret; | |
2626 | if (ar_iter->ret) | |
2627 | ath10k_warn("Failed to set frag threshold for VDEV: %d\n", | |
2628 | arvif->vdev_id); | |
2629 | else | |
2630 | ath10k_dbg(ATH10K_DBG_MAC, | |
2631 | "Set frag threshold: %d for VDEV: %d\n", | |
2632 | frag, arvif->vdev_id); | |
2633 | } | |
2634 | ||
2635 | static int ath10k_set_frag_threshold(struct ieee80211_hw *hw, u32 value) | |
2636 | { | |
2637 | struct ath10k_generic_iter ar_iter; | |
2638 | struct ath10k *ar = hw->priv; | |
2639 | ||
2640 | memset(&ar_iter, 0, sizeof(struct ath10k_generic_iter)); | |
2641 | ar_iter.ar = ar; | |
2642 | ||
2643 | mutex_lock(&ar->conf_mutex); | |
80c78c67 | 2644 | ieee80211_iterate_active_interfaces_atomic( |
671b96db | 2645 | hw, IEEE80211_IFACE_ITER_NORMAL, |
80c78c67 | 2646 | ath10k_set_frag_iter, &ar_iter); |
5e3dd157 KV |
2647 | mutex_unlock(&ar->conf_mutex); |
2648 | ||
2649 | return ar_iter.ret; | |
2650 | } | |
2651 | ||
2652 | static void ath10k_flush(struct ieee80211_hw *hw, u32 queues, bool drop) | |
2653 | { | |
2654 | struct ath10k *ar = hw->priv; | |
2655 | int ret; | |
2656 | ||
2657 | /* mac80211 doesn't care if we really xmit queued frames or not | |
2658 | * we'll collect those frames either way if we stop/delete vdevs */ | |
2659 | if (drop) | |
2660 | return; | |
2661 | ||
edb8236d | 2662 | ret = wait_event_timeout(ar->htt.empty_tx_wq, ({ |
5e3dd157 | 2663 | bool empty; |
edb8236d MK |
2664 | spin_lock_bh(&ar->htt.tx_lock); |
2665 | empty = bitmap_empty(ar->htt.used_msdu_ids, | |
2666 | ar->htt.max_num_pending_tx); | |
2667 | spin_unlock_bh(&ar->htt.tx_lock); | |
5e3dd157 KV |
2668 | (empty); |
2669 | }), ATH10K_FLUSH_TIMEOUT_HZ); | |
2670 | if (ret <= 0) | |
2671 | ath10k_warn("tx not flushed\n"); | |
2672 | } | |
2673 | ||
2674 | /* TODO: Implement this function properly | |
2675 | * For now it is needed to reply to Probe Requests in IBSS mode. | |
2676 | * Propably we need this information from FW. | |
2677 | */ | |
2678 | static int ath10k_tx_last_beacon(struct ieee80211_hw *hw) | |
2679 | { | |
2680 | return 1; | |
2681 | } | |
2682 | ||
2683 | static const struct ieee80211_ops ath10k_ops = { | |
2684 | .tx = ath10k_tx, | |
2685 | .start = ath10k_start, | |
2686 | .stop = ath10k_stop, | |
2687 | .config = ath10k_config, | |
2688 | .add_interface = ath10k_add_interface, | |
2689 | .remove_interface = ath10k_remove_interface, | |
2690 | .configure_filter = ath10k_configure_filter, | |
2691 | .bss_info_changed = ath10k_bss_info_changed, | |
2692 | .hw_scan = ath10k_hw_scan, | |
2693 | .cancel_hw_scan = ath10k_cancel_hw_scan, | |
2694 | .set_key = ath10k_set_key, | |
2695 | .sta_state = ath10k_sta_state, | |
2696 | .conf_tx = ath10k_conf_tx, | |
2697 | .remain_on_channel = ath10k_remain_on_channel, | |
2698 | .cancel_remain_on_channel = ath10k_cancel_remain_on_channel, | |
2699 | .set_rts_threshold = ath10k_set_rts_threshold, | |
2700 | .set_frag_threshold = ath10k_set_frag_threshold, | |
2701 | .flush = ath10k_flush, | |
2702 | .tx_last_beacon = ath10k_tx_last_beacon, | |
2703 | }; | |
2704 | ||
2705 | #define RATETAB_ENT(_rate, _rateid, _flags) { \ | |
2706 | .bitrate = (_rate), \ | |
2707 | .flags = (_flags), \ | |
2708 | .hw_value = (_rateid), \ | |
2709 | } | |
2710 | ||
2711 | #define CHAN2G(_channel, _freq, _flags) { \ | |
2712 | .band = IEEE80211_BAND_2GHZ, \ | |
2713 | .hw_value = (_channel), \ | |
2714 | .center_freq = (_freq), \ | |
2715 | .flags = (_flags), \ | |
2716 | .max_antenna_gain = 0, \ | |
2717 | .max_power = 30, \ | |
2718 | } | |
2719 | ||
2720 | #define CHAN5G(_channel, _freq, _flags) { \ | |
2721 | .band = IEEE80211_BAND_5GHZ, \ | |
2722 | .hw_value = (_channel), \ | |
2723 | .center_freq = (_freq), \ | |
2724 | .flags = (_flags), \ | |
2725 | .max_antenna_gain = 0, \ | |
2726 | .max_power = 30, \ | |
2727 | } | |
2728 | ||
2729 | static const struct ieee80211_channel ath10k_2ghz_channels[] = { | |
2730 | CHAN2G(1, 2412, 0), | |
2731 | CHAN2G(2, 2417, 0), | |
2732 | CHAN2G(3, 2422, 0), | |
2733 | CHAN2G(4, 2427, 0), | |
2734 | CHAN2G(5, 2432, 0), | |
2735 | CHAN2G(6, 2437, 0), | |
2736 | CHAN2G(7, 2442, 0), | |
2737 | CHAN2G(8, 2447, 0), | |
2738 | CHAN2G(9, 2452, 0), | |
2739 | CHAN2G(10, 2457, 0), | |
2740 | CHAN2G(11, 2462, 0), | |
2741 | CHAN2G(12, 2467, 0), | |
2742 | CHAN2G(13, 2472, 0), | |
2743 | CHAN2G(14, 2484, 0), | |
2744 | }; | |
2745 | ||
2746 | static const struct ieee80211_channel ath10k_5ghz_channels[] = { | |
429ff56a MK |
2747 | CHAN5G(36, 5180, 0), |
2748 | CHAN5G(40, 5200, 0), | |
2749 | CHAN5G(44, 5220, 0), | |
2750 | CHAN5G(48, 5240, 0), | |
2751 | CHAN5G(52, 5260, 0), | |
2752 | CHAN5G(56, 5280, 0), | |
2753 | CHAN5G(60, 5300, 0), | |
2754 | CHAN5G(64, 5320, 0), | |
2755 | CHAN5G(100, 5500, 0), | |
2756 | CHAN5G(104, 5520, 0), | |
2757 | CHAN5G(108, 5540, 0), | |
2758 | CHAN5G(112, 5560, 0), | |
2759 | CHAN5G(116, 5580, 0), | |
2760 | CHAN5G(120, 5600, 0), | |
2761 | CHAN5G(124, 5620, 0), | |
2762 | CHAN5G(128, 5640, 0), | |
2763 | CHAN5G(132, 5660, 0), | |
2764 | CHAN5G(136, 5680, 0), | |
2765 | CHAN5G(140, 5700, 0), | |
2766 | CHAN5G(149, 5745, 0), | |
2767 | CHAN5G(153, 5765, 0), | |
2768 | CHAN5G(157, 5785, 0), | |
2769 | CHAN5G(161, 5805, 0), | |
2770 | CHAN5G(165, 5825, 0), | |
5e3dd157 KV |
2771 | }; |
2772 | ||
2773 | static struct ieee80211_rate ath10k_rates[] = { | |
2774 | /* CCK */ | |
2775 | RATETAB_ENT(10, 0x82, 0), | |
2776 | RATETAB_ENT(20, 0x84, 0), | |
2777 | RATETAB_ENT(55, 0x8b, 0), | |
2778 | RATETAB_ENT(110, 0x96, 0), | |
2779 | /* OFDM */ | |
2780 | RATETAB_ENT(60, 0x0c, 0), | |
2781 | RATETAB_ENT(90, 0x12, 0), | |
2782 | RATETAB_ENT(120, 0x18, 0), | |
2783 | RATETAB_ENT(180, 0x24, 0), | |
2784 | RATETAB_ENT(240, 0x30, 0), | |
2785 | RATETAB_ENT(360, 0x48, 0), | |
2786 | RATETAB_ENT(480, 0x60, 0), | |
2787 | RATETAB_ENT(540, 0x6c, 0), | |
2788 | }; | |
2789 | ||
2790 | #define ath10k_a_rates (ath10k_rates + 4) | |
2791 | #define ath10k_a_rates_size (ARRAY_SIZE(ath10k_rates) - 4) | |
2792 | #define ath10k_g_rates (ath10k_rates + 0) | |
2793 | #define ath10k_g_rates_size (ARRAY_SIZE(ath10k_rates)) | |
2794 | ||
2795 | struct ath10k *ath10k_mac_create(void) | |
2796 | { | |
2797 | struct ieee80211_hw *hw; | |
2798 | struct ath10k *ar; | |
2799 | ||
2800 | hw = ieee80211_alloc_hw(sizeof(struct ath10k), &ath10k_ops); | |
2801 | if (!hw) | |
2802 | return NULL; | |
2803 | ||
2804 | ar = hw->priv; | |
2805 | ar->hw = hw; | |
2806 | ||
2807 | return ar; | |
2808 | } | |
2809 | ||
2810 | void ath10k_mac_destroy(struct ath10k *ar) | |
2811 | { | |
2812 | ieee80211_free_hw(ar->hw); | |
2813 | } | |
2814 | ||
2815 | static const struct ieee80211_iface_limit ath10k_if_limits[] = { | |
2816 | { | |
2817 | .max = 8, | |
2818 | .types = BIT(NL80211_IFTYPE_STATION) | |
2819 | | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
2820 | | BIT(NL80211_IFTYPE_P2P_GO) | |
2821 | | BIT(NL80211_IFTYPE_AP) | |
2822 | } | |
2823 | }; | |
2824 | ||
2825 | static const struct ieee80211_iface_combination ath10k_if_comb = { | |
2826 | .limits = ath10k_if_limits, | |
2827 | .n_limits = ARRAY_SIZE(ath10k_if_limits), | |
2828 | .max_interfaces = 8, | |
2829 | .num_different_channels = 1, | |
2830 | .beacon_int_infra_match = true, | |
2831 | }; | |
2832 | ||
2833 | static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar) | |
2834 | { | |
2835 | struct ieee80211_sta_vht_cap vht_cap = {0}; | |
2836 | u16 mcs_map; | |
2837 | ||
2838 | vht_cap.vht_supported = 1; | |
2839 | vht_cap.cap = ar->vht_cap_info; | |
2840 | ||
2841 | /* FIXME: check dynamically how many streams board supports */ | |
2842 | mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 | | |
2843 | IEEE80211_VHT_MCS_SUPPORT_0_9 << 2 | | |
2844 | IEEE80211_VHT_MCS_SUPPORT_0_9 << 4 | | |
2845 | IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 | | |
2846 | IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 | | |
2847 | IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 | | |
2848 | IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 | | |
2849 | IEEE80211_VHT_MCS_NOT_SUPPORTED << 14; | |
2850 | ||
2851 | vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map); | |
2852 | vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map); | |
2853 | ||
2854 | return vht_cap; | |
2855 | } | |
2856 | ||
2857 | static struct ieee80211_sta_ht_cap ath10k_get_ht_cap(struct ath10k *ar) | |
2858 | { | |
2859 | int i; | |
2860 | struct ieee80211_sta_ht_cap ht_cap = {0}; | |
2861 | ||
2862 | if (!(ar->ht_cap_info & WMI_HT_CAP_ENABLED)) | |
2863 | return ht_cap; | |
2864 | ||
2865 | ht_cap.ht_supported = 1; | |
2866 | ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; | |
2867 | ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8; | |
2868 | ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
2869 | ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40; | |
2870 | ht_cap.cap |= WLAN_HT_CAP_SM_PS_STATIC << IEEE80211_HT_CAP_SM_PS_SHIFT; | |
2871 | ||
2872 | if (ar->ht_cap_info & WMI_HT_CAP_HT20_SGI) | |
2873 | ht_cap.cap |= IEEE80211_HT_CAP_SGI_20; | |
2874 | ||
2875 | if (ar->ht_cap_info & WMI_HT_CAP_HT40_SGI) | |
2876 | ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; | |
2877 | ||
2878 | if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) { | |
2879 | u32 smps; | |
2880 | ||
2881 | smps = WLAN_HT_CAP_SM_PS_DYNAMIC; | |
2882 | smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT; | |
2883 | ||
2884 | ht_cap.cap |= smps; | |
2885 | } | |
2886 | ||
2887 | if (ar->ht_cap_info & WMI_HT_CAP_TX_STBC) | |
2888 | ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC; | |
2889 | ||
2890 | if (ar->ht_cap_info & WMI_HT_CAP_RX_STBC) { | |
2891 | u32 stbc; | |
2892 | ||
2893 | stbc = ar->ht_cap_info; | |
2894 | stbc &= WMI_HT_CAP_RX_STBC; | |
2895 | stbc >>= WMI_HT_CAP_RX_STBC_MASK_SHIFT; | |
2896 | stbc <<= IEEE80211_HT_CAP_RX_STBC_SHIFT; | |
2897 | stbc &= IEEE80211_HT_CAP_RX_STBC; | |
2898 | ||
2899 | ht_cap.cap |= stbc; | |
2900 | } | |
2901 | ||
2902 | if (ar->ht_cap_info & WMI_HT_CAP_LDPC) | |
2903 | ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING; | |
2904 | ||
2905 | if (ar->ht_cap_info & WMI_HT_CAP_L_SIG_TXOP_PROT) | |
2906 | ht_cap.cap |= IEEE80211_HT_CAP_LSIG_TXOP_PROT; | |
2907 | ||
2908 | /* max AMSDU is implicitly taken from vht_cap_info */ | |
2909 | if (ar->vht_cap_info & WMI_VHT_CAP_MAX_MPDU_LEN_MASK) | |
2910 | ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU; | |
2911 | ||
2912 | for (i = 0; i < WMI_MAX_SPATIAL_STREAM; i++) | |
2913 | ht_cap.mcs.rx_mask[i] = 0xFF; | |
2914 | ||
2915 | ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED; | |
2916 | ||
2917 | return ht_cap; | |
2918 | } | |
2919 | ||
2920 | ||
2921 | static void ath10k_get_arvif_iter(void *data, u8 *mac, | |
2922 | struct ieee80211_vif *vif) | |
2923 | { | |
2924 | struct ath10k_vif_iter *arvif_iter = data; | |
2925 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
2926 | ||
2927 | if (arvif->vdev_id == arvif_iter->vdev_id) | |
2928 | arvif_iter->arvif = arvif; | |
2929 | } | |
2930 | ||
2931 | struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id) | |
2932 | { | |
2933 | struct ath10k_vif_iter arvif_iter; | |
2934 | u32 flags; | |
2935 | ||
2936 | memset(&arvif_iter, 0, sizeof(struct ath10k_vif_iter)); | |
2937 | arvif_iter.vdev_id = vdev_id; | |
2938 | ||
2939 | flags = IEEE80211_IFACE_ITER_RESUME_ALL; | |
2940 | ieee80211_iterate_active_interfaces_atomic(ar->hw, | |
2941 | flags, | |
2942 | ath10k_get_arvif_iter, | |
2943 | &arvif_iter); | |
2944 | if (!arvif_iter.arvif) { | |
2945 | ath10k_warn("No VIF found for VDEV: %d\n", vdev_id); | |
2946 | return NULL; | |
2947 | } | |
2948 | ||
2949 | return arvif_iter.arvif; | |
2950 | } | |
2951 | ||
2952 | int ath10k_mac_register(struct ath10k *ar) | |
2953 | { | |
2954 | struct ieee80211_supported_band *band; | |
2955 | struct ieee80211_sta_vht_cap vht_cap; | |
2956 | struct ieee80211_sta_ht_cap ht_cap; | |
2957 | void *channels; | |
2958 | int ret; | |
2959 | ||
2960 | SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr); | |
2961 | ||
2962 | SET_IEEE80211_DEV(ar->hw, ar->dev); | |
2963 | ||
2964 | ht_cap = ath10k_get_ht_cap(ar); | |
2965 | vht_cap = ath10k_create_vht_cap(ar); | |
2966 | ||
2967 | if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) { | |
2968 | channels = kmemdup(ath10k_2ghz_channels, | |
2969 | sizeof(ath10k_2ghz_channels), | |
2970 | GFP_KERNEL); | |
2971 | if (!channels) | |
2972 | return -ENOMEM; | |
2973 | ||
2974 | band = &ar->mac.sbands[IEEE80211_BAND_2GHZ]; | |
2975 | band->n_channels = ARRAY_SIZE(ath10k_2ghz_channels); | |
2976 | band->channels = channels; | |
2977 | band->n_bitrates = ath10k_g_rates_size; | |
2978 | band->bitrates = ath10k_g_rates; | |
2979 | band->ht_cap = ht_cap; | |
2980 | ||
2981 | /* vht is not supported in 2.4 GHz */ | |
2982 | ||
2983 | ar->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band; | |
2984 | } | |
2985 | ||
2986 | if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) { | |
2987 | channels = kmemdup(ath10k_5ghz_channels, | |
2988 | sizeof(ath10k_5ghz_channels), | |
2989 | GFP_KERNEL); | |
2990 | if (!channels) { | |
2991 | if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) { | |
2992 | band = &ar->mac.sbands[IEEE80211_BAND_2GHZ]; | |
2993 | kfree(band->channels); | |
2994 | } | |
2995 | return -ENOMEM; | |
2996 | } | |
2997 | ||
2998 | band = &ar->mac.sbands[IEEE80211_BAND_5GHZ]; | |
2999 | band->n_channels = ARRAY_SIZE(ath10k_5ghz_channels); | |
3000 | band->channels = channels; | |
3001 | band->n_bitrates = ath10k_a_rates_size; | |
3002 | band->bitrates = ath10k_a_rates; | |
3003 | band->ht_cap = ht_cap; | |
3004 | band->vht_cap = vht_cap; | |
3005 | ar->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = band; | |
3006 | } | |
3007 | ||
3008 | ar->hw->wiphy->interface_modes = | |
3009 | BIT(NL80211_IFTYPE_STATION) | | |
3010 | BIT(NL80211_IFTYPE_ADHOC) | | |
3011 | BIT(NL80211_IFTYPE_AP) | | |
3012 | BIT(NL80211_IFTYPE_P2P_CLIENT) | | |
3013 | BIT(NL80211_IFTYPE_P2P_GO); | |
3014 | ||
3015 | ar->hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
3016 | IEEE80211_HW_SUPPORTS_PS | | |
3017 | IEEE80211_HW_SUPPORTS_DYNAMIC_PS | | |
3018 | IEEE80211_HW_SUPPORTS_UAPSD | | |
3019 | IEEE80211_HW_MFP_CAPABLE | | |
3020 | IEEE80211_HW_REPORTS_TX_ACK_STATUS | | |
3021 | IEEE80211_HW_HAS_RATE_CONTROL | | |
3022 | IEEE80211_HW_SUPPORTS_STATIC_SMPS | | |
3023 | IEEE80211_HW_WANT_MONITOR_VIF | | |
3024 | IEEE80211_HW_AP_LINK_PS; | |
3025 | ||
3026 | if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) | |
3027 | ar->hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS; | |
3028 | ||
3029 | if (ar->ht_cap_info & WMI_HT_CAP_ENABLED) { | |
3030 | ar->hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION; | |
3031 | ar->hw->flags |= IEEE80211_HW_TX_AMPDU_SETUP_IN_HW; | |
3032 | } | |
3033 | ||
3034 | ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID; | |
3035 | ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN; | |
3036 | ||
3037 | ar->hw->vif_data_size = sizeof(struct ath10k_vif); | |
3038 | ||
3039 | ar->hw->channel_change_time = 5000; | |
3040 | ar->hw->max_listen_interval = ATH10K_MAX_HW_LISTEN_INTERVAL; | |
3041 | ||
3042 | ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; | |
3043 | ar->hw->wiphy->max_remain_on_channel_duration = 5000; | |
3044 | ||
3045 | ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; | |
3046 | /* | |
3047 | * on LL hardware queues are managed entirely by the FW | |
3048 | * so we only advertise to mac we can do the queues thing | |
3049 | */ | |
3050 | ar->hw->queues = 4; | |
3051 | ||
3052 | ar->hw->wiphy->iface_combinations = &ath10k_if_comb; | |
3053 | ar->hw->wiphy->n_iface_combinations = 1; | |
3054 | ||
3055 | ret = ath_regd_init(&ar->ath_common.regulatory, ar->hw->wiphy, | |
3056 | ath10k_reg_notifier); | |
3057 | if (ret) { | |
3058 | ath10k_err("Regulatory initialization failed\n"); | |
3059 | return ret; | |
3060 | } | |
3061 | ||
3062 | ret = ieee80211_register_hw(ar->hw); | |
3063 | if (ret) { | |
3064 | ath10k_err("ieee80211 registration failed: %d\n", ret); | |
3065 | return ret; | |
3066 | } | |
3067 | ||
3068 | if (!ath_is_world_regd(&ar->ath_common.regulatory)) { | |
3069 | ret = regulatory_hint(ar->hw->wiphy, | |
3070 | ar->ath_common.regulatory.alpha2); | |
3071 | if (ret) | |
3072 | goto exit; | |
3073 | } | |
3074 | ||
3075 | return 0; | |
3076 | exit: | |
3077 | ieee80211_unregister_hw(ar->hw); | |
3078 | return ret; | |
3079 | } | |
3080 | ||
3081 | void ath10k_mac_unregister(struct ath10k *ar) | |
3082 | { | |
3083 | ieee80211_unregister_hw(ar->hw); | |
3084 | ||
3085 | kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels); | |
3086 | kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels); | |
3087 | ||
3088 | SET_IEEE80211_DEV(ar->hw, NULL); | |
3089 | } |