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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 | ||
8cd13cad | 23 | #include "hif.h" |
5e3dd157 KV |
24 | #include "core.h" |
25 | #include "debug.h" | |
26 | #include "wmi.h" | |
27 | #include "htt.h" | |
28 | #include "txrx.h" | |
43d2a30f | 29 | #include "testmode.h" |
d7579d12 MK |
30 | #include "wmi.h" |
31 | #include "wmi-ops.h" | |
5e3dd157 KV |
32 | |
33 | /**********/ | |
34 | /* Crypto */ | |
35 | /**********/ | |
36 | ||
37 | static int ath10k_send_key(struct ath10k_vif *arvif, | |
38 | struct ieee80211_key_conf *key, | |
39 | enum set_key_cmd cmd, | |
40 | const u8 *macaddr) | |
41 | { | |
7aa7a72a | 42 | struct ath10k *ar = arvif->ar; |
5e3dd157 KV |
43 | struct wmi_vdev_install_key_arg arg = { |
44 | .vdev_id = arvif->vdev_id, | |
45 | .key_idx = key->keyidx, | |
46 | .key_len = key->keylen, | |
47 | .key_data = key->key, | |
48 | .macaddr = macaddr, | |
49 | }; | |
50 | ||
548db54c MK |
51 | lockdep_assert_held(&arvif->ar->conf_mutex); |
52 | ||
5e3dd157 KV |
53 | if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) |
54 | arg.key_flags = WMI_KEY_PAIRWISE; | |
55 | else | |
56 | arg.key_flags = WMI_KEY_GROUP; | |
57 | ||
58 | switch (key->cipher) { | |
59 | case WLAN_CIPHER_SUITE_CCMP: | |
60 | arg.key_cipher = WMI_CIPHER_AES_CCM; | |
eeab266c MK |
61 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP) |
62 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT; | |
63 | else | |
64 | key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; | |
5e3dd157 KV |
65 | break; |
66 | case WLAN_CIPHER_SUITE_TKIP: | |
5e3dd157 KV |
67 | arg.key_cipher = WMI_CIPHER_TKIP; |
68 | arg.key_txmic_len = 8; | |
69 | arg.key_rxmic_len = 8; | |
70 | break; | |
71 | case WLAN_CIPHER_SUITE_WEP40: | |
72 | case WLAN_CIPHER_SUITE_WEP104: | |
73 | arg.key_cipher = WMI_CIPHER_WEP; | |
74 | /* AP/IBSS mode requires self-key to be groupwise | |
75 | * Otherwise pairwise key must be set */ | |
76 | if (memcmp(macaddr, arvif->vif->addr, ETH_ALEN)) | |
77 | arg.key_flags = WMI_KEY_PAIRWISE; | |
78 | break; | |
79 | default: | |
7aa7a72a | 80 | ath10k_warn(ar, "cipher %d is not supported\n", key->cipher); |
5e3dd157 KV |
81 | return -EOPNOTSUPP; |
82 | } | |
83 | ||
84 | if (cmd == DISABLE_KEY) { | |
85 | arg.key_cipher = WMI_CIPHER_NONE; | |
86 | arg.key_data = NULL; | |
87 | } | |
88 | ||
89 | return ath10k_wmi_vdev_install_key(arvif->ar, &arg); | |
90 | } | |
91 | ||
92 | static int ath10k_install_key(struct ath10k_vif *arvif, | |
93 | struct ieee80211_key_conf *key, | |
94 | enum set_key_cmd cmd, | |
95 | const u8 *macaddr) | |
96 | { | |
97 | struct ath10k *ar = arvif->ar; | |
98 | int ret; | |
99 | ||
548db54c MK |
100 | lockdep_assert_held(&ar->conf_mutex); |
101 | ||
16735d02 | 102 | reinit_completion(&ar->install_key_done); |
5e3dd157 KV |
103 | |
104 | ret = ath10k_send_key(arvif, key, cmd, macaddr); | |
105 | if (ret) | |
106 | return ret; | |
107 | ||
108 | ret = wait_for_completion_timeout(&ar->install_key_done, 3*HZ); | |
109 | if (ret == 0) | |
110 | return -ETIMEDOUT; | |
111 | ||
112 | return 0; | |
113 | } | |
114 | ||
115 | static int ath10k_install_peer_wep_keys(struct ath10k_vif *arvif, | |
116 | const u8 *addr) | |
117 | { | |
118 | struct ath10k *ar = arvif->ar; | |
119 | struct ath10k_peer *peer; | |
120 | int ret; | |
121 | int i; | |
122 | ||
123 | lockdep_assert_held(&ar->conf_mutex); | |
124 | ||
125 | spin_lock_bh(&ar->data_lock); | |
126 | peer = ath10k_peer_find(ar, arvif->vdev_id, addr); | |
127 | spin_unlock_bh(&ar->data_lock); | |
128 | ||
129 | if (!peer) | |
130 | return -ENOENT; | |
131 | ||
132 | for (i = 0; i < ARRAY_SIZE(arvif->wep_keys); i++) { | |
133 | if (arvif->wep_keys[i] == NULL) | |
134 | continue; | |
135 | ||
136 | ret = ath10k_install_key(arvif, arvif->wep_keys[i], SET_KEY, | |
137 | addr); | |
138 | if (ret) | |
139 | return ret; | |
140 | ||
ae167131 | 141 | spin_lock_bh(&ar->data_lock); |
5e3dd157 | 142 | peer->keys[i] = arvif->wep_keys[i]; |
ae167131 | 143 | spin_unlock_bh(&ar->data_lock); |
5e3dd157 KV |
144 | } |
145 | ||
146 | return 0; | |
147 | } | |
148 | ||
149 | static int ath10k_clear_peer_keys(struct ath10k_vif *arvif, | |
150 | const u8 *addr) | |
151 | { | |
152 | struct ath10k *ar = arvif->ar; | |
153 | struct ath10k_peer *peer; | |
154 | int first_errno = 0; | |
155 | int ret; | |
156 | int i; | |
157 | ||
158 | lockdep_assert_held(&ar->conf_mutex); | |
159 | ||
160 | spin_lock_bh(&ar->data_lock); | |
161 | peer = ath10k_peer_find(ar, arvif->vdev_id, addr); | |
162 | spin_unlock_bh(&ar->data_lock); | |
163 | ||
164 | if (!peer) | |
165 | return -ENOENT; | |
166 | ||
167 | for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { | |
168 | if (peer->keys[i] == NULL) | |
169 | continue; | |
170 | ||
171 | ret = ath10k_install_key(arvif, peer->keys[i], | |
172 | DISABLE_KEY, addr); | |
173 | if (ret && first_errno == 0) | |
174 | first_errno = ret; | |
175 | ||
176 | if (ret) | |
7aa7a72a | 177 | ath10k_warn(ar, "failed to remove peer wep key %d: %d\n", |
5e3dd157 KV |
178 | i, ret); |
179 | ||
ae167131 | 180 | spin_lock_bh(&ar->data_lock); |
5e3dd157 | 181 | peer->keys[i] = NULL; |
ae167131 | 182 | spin_unlock_bh(&ar->data_lock); |
5e3dd157 KV |
183 | } |
184 | ||
185 | return first_errno; | |
186 | } | |
187 | ||
504f6cdf SM |
188 | bool ath10k_mac_is_peer_wep_key_set(struct ath10k *ar, const u8 *addr, |
189 | u8 keyidx) | |
190 | { | |
191 | struct ath10k_peer *peer; | |
192 | int i; | |
193 | ||
194 | lockdep_assert_held(&ar->data_lock); | |
195 | ||
196 | /* We don't know which vdev this peer belongs to, | |
197 | * since WMI doesn't give us that information. | |
198 | * | |
199 | * FIXME: multi-bss needs to be handled. | |
200 | */ | |
201 | peer = ath10k_peer_find(ar, 0, addr); | |
202 | if (!peer) | |
203 | return false; | |
204 | ||
205 | for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { | |
206 | if (peer->keys[i] && peer->keys[i]->keyidx == keyidx) | |
207 | return true; | |
208 | } | |
209 | ||
210 | return false; | |
211 | } | |
212 | ||
5e3dd157 KV |
213 | static int ath10k_clear_vdev_key(struct ath10k_vif *arvif, |
214 | struct ieee80211_key_conf *key) | |
215 | { | |
216 | struct ath10k *ar = arvif->ar; | |
217 | struct ath10k_peer *peer; | |
218 | u8 addr[ETH_ALEN]; | |
219 | int first_errno = 0; | |
220 | int ret; | |
221 | int i; | |
222 | ||
223 | lockdep_assert_held(&ar->conf_mutex); | |
224 | ||
225 | for (;;) { | |
226 | /* since ath10k_install_key we can't hold data_lock all the | |
227 | * time, so we try to remove the keys incrementally */ | |
228 | spin_lock_bh(&ar->data_lock); | |
229 | i = 0; | |
230 | list_for_each_entry(peer, &ar->peers, list) { | |
231 | for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { | |
232 | if (peer->keys[i] == key) { | |
b25f32cb | 233 | ether_addr_copy(addr, peer->addr); |
5e3dd157 KV |
234 | peer->keys[i] = NULL; |
235 | break; | |
236 | } | |
237 | } | |
238 | ||
239 | if (i < ARRAY_SIZE(peer->keys)) | |
240 | break; | |
241 | } | |
242 | spin_unlock_bh(&ar->data_lock); | |
243 | ||
244 | if (i == ARRAY_SIZE(peer->keys)) | |
245 | break; | |
246 | ||
247 | ret = ath10k_install_key(arvif, key, DISABLE_KEY, addr); | |
248 | if (ret && first_errno == 0) | |
249 | first_errno = ret; | |
250 | ||
251 | if (ret) | |
7aa7a72a | 252 | ath10k_warn(ar, "failed to remove key for %pM: %d\n", |
be6546fc | 253 | addr, ret); |
5e3dd157 KV |
254 | } |
255 | ||
256 | return first_errno; | |
257 | } | |
258 | ||
5e3dd157 KV |
259 | /*********************/ |
260 | /* General utilities */ | |
261 | /*********************/ | |
262 | ||
263 | static inline enum wmi_phy_mode | |
264 | chan_to_phymode(const struct cfg80211_chan_def *chandef) | |
265 | { | |
266 | enum wmi_phy_mode phymode = MODE_UNKNOWN; | |
267 | ||
268 | switch (chandef->chan->band) { | |
269 | case IEEE80211_BAND_2GHZ: | |
270 | switch (chandef->width) { | |
271 | case NL80211_CHAN_WIDTH_20_NOHT: | |
272 | phymode = MODE_11G; | |
273 | break; | |
274 | case NL80211_CHAN_WIDTH_20: | |
275 | phymode = MODE_11NG_HT20; | |
276 | break; | |
277 | case NL80211_CHAN_WIDTH_40: | |
278 | phymode = MODE_11NG_HT40; | |
279 | break; | |
0f817ed5 JL |
280 | case NL80211_CHAN_WIDTH_5: |
281 | case NL80211_CHAN_WIDTH_10: | |
5e3dd157 KV |
282 | case NL80211_CHAN_WIDTH_80: |
283 | case NL80211_CHAN_WIDTH_80P80: | |
284 | case NL80211_CHAN_WIDTH_160: | |
285 | phymode = MODE_UNKNOWN; | |
286 | break; | |
287 | } | |
288 | break; | |
289 | case IEEE80211_BAND_5GHZ: | |
290 | switch (chandef->width) { | |
291 | case NL80211_CHAN_WIDTH_20_NOHT: | |
292 | phymode = MODE_11A; | |
293 | break; | |
294 | case NL80211_CHAN_WIDTH_20: | |
295 | phymode = MODE_11NA_HT20; | |
296 | break; | |
297 | case NL80211_CHAN_WIDTH_40: | |
298 | phymode = MODE_11NA_HT40; | |
299 | break; | |
300 | case NL80211_CHAN_WIDTH_80: | |
301 | phymode = MODE_11AC_VHT80; | |
302 | break; | |
0f817ed5 JL |
303 | case NL80211_CHAN_WIDTH_5: |
304 | case NL80211_CHAN_WIDTH_10: | |
5e3dd157 KV |
305 | case NL80211_CHAN_WIDTH_80P80: |
306 | case NL80211_CHAN_WIDTH_160: | |
307 | phymode = MODE_UNKNOWN; | |
308 | break; | |
309 | } | |
310 | break; | |
311 | default: | |
312 | break; | |
313 | } | |
314 | ||
315 | WARN_ON(phymode == MODE_UNKNOWN); | |
316 | return phymode; | |
317 | } | |
318 | ||
319 | static u8 ath10k_parse_mpdudensity(u8 mpdudensity) | |
320 | { | |
321 | /* | |
322 | * 802.11n D2.0 defined values for "Minimum MPDU Start Spacing": | |
323 | * 0 for no restriction | |
324 | * 1 for 1/4 us | |
325 | * 2 for 1/2 us | |
326 | * 3 for 1 us | |
327 | * 4 for 2 us | |
328 | * 5 for 4 us | |
329 | * 6 for 8 us | |
330 | * 7 for 16 us | |
331 | */ | |
332 | switch (mpdudensity) { | |
333 | case 0: | |
334 | return 0; | |
335 | case 1: | |
336 | case 2: | |
337 | case 3: | |
338 | /* Our lower layer calculations limit our precision to | |
339 | 1 microsecond */ | |
340 | return 1; | |
341 | case 4: | |
342 | return 2; | |
343 | case 5: | |
344 | return 4; | |
345 | case 6: | |
346 | return 8; | |
347 | case 7: | |
348 | return 16; | |
349 | default: | |
350 | return 0; | |
351 | } | |
352 | } | |
353 | ||
354 | static int ath10k_peer_create(struct ath10k *ar, u32 vdev_id, const u8 *addr) | |
355 | { | |
356 | int ret; | |
357 | ||
358 | lockdep_assert_held(&ar->conf_mutex); | |
359 | ||
cfd1061e MK |
360 | if (ar->num_peers >= ar->max_num_peers) |
361 | return -ENOBUFS; | |
362 | ||
5e3dd157 | 363 | ret = ath10k_wmi_peer_create(ar, vdev_id, addr); |
479398b0 | 364 | if (ret) { |
7aa7a72a | 365 | ath10k_warn(ar, "failed to create wmi peer %pM on vdev %i: %i\n", |
69244e56 | 366 | addr, vdev_id, ret); |
5e3dd157 | 367 | return ret; |
479398b0 | 368 | } |
5e3dd157 KV |
369 | |
370 | ret = ath10k_wait_for_peer_created(ar, vdev_id, addr); | |
479398b0 | 371 | if (ret) { |
7aa7a72a | 372 | ath10k_warn(ar, "failed to wait for created wmi peer %pM on vdev %i: %i\n", |
69244e56 | 373 | addr, vdev_id, ret); |
5e3dd157 | 374 | return ret; |
479398b0 | 375 | } |
292a753d | 376 | |
0e759f36 | 377 | ar->num_peers++; |
5e3dd157 KV |
378 | |
379 | return 0; | |
380 | } | |
381 | ||
5a13e76e KV |
382 | static int ath10k_mac_set_kickout(struct ath10k_vif *arvif) |
383 | { | |
384 | struct ath10k *ar = arvif->ar; | |
385 | u32 param; | |
386 | int ret; | |
387 | ||
388 | param = ar->wmi.pdev_param->sta_kickout_th; | |
389 | ret = ath10k_wmi_pdev_set_param(ar, param, | |
390 | ATH10K_KICKOUT_THRESHOLD); | |
391 | if (ret) { | |
7aa7a72a | 392 | ath10k_warn(ar, "failed to set kickout threshold on vdev %i: %d\n", |
69244e56 | 393 | arvif->vdev_id, ret); |
5a13e76e KV |
394 | return ret; |
395 | } | |
396 | ||
397 | param = ar->wmi.vdev_param->ap_keepalive_min_idle_inactive_time_secs; | |
398 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, | |
399 | ATH10K_KEEPALIVE_MIN_IDLE); | |
400 | if (ret) { | |
7aa7a72a | 401 | ath10k_warn(ar, "failed to set keepalive minimum idle time on vdev %i: %d\n", |
69244e56 | 402 | arvif->vdev_id, ret); |
5a13e76e KV |
403 | return ret; |
404 | } | |
405 | ||
406 | param = ar->wmi.vdev_param->ap_keepalive_max_idle_inactive_time_secs; | |
407 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, | |
408 | ATH10K_KEEPALIVE_MAX_IDLE); | |
409 | if (ret) { | |
7aa7a72a | 410 | ath10k_warn(ar, "failed to set keepalive maximum idle time on vdev %i: %d\n", |
69244e56 | 411 | arvif->vdev_id, ret); |
5a13e76e KV |
412 | return ret; |
413 | } | |
414 | ||
415 | param = ar->wmi.vdev_param->ap_keepalive_max_unresponsive_time_secs; | |
416 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, | |
417 | ATH10K_KEEPALIVE_MAX_UNRESPONSIVE); | |
418 | if (ret) { | |
7aa7a72a | 419 | ath10k_warn(ar, "failed to set keepalive maximum unresponsive time on vdev %i: %d\n", |
69244e56 | 420 | arvif->vdev_id, ret); |
5a13e76e KV |
421 | return ret; |
422 | } | |
423 | ||
424 | return 0; | |
425 | } | |
426 | ||
acab6400 | 427 | static int ath10k_mac_set_rts(struct ath10k_vif *arvif, u32 value) |
424121c3 | 428 | { |
6d1506e7 BM |
429 | struct ath10k *ar = arvif->ar; |
430 | u32 vdev_param; | |
431 | ||
6d1506e7 BM |
432 | vdev_param = ar->wmi.vdev_param->rts_threshold; |
433 | return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, value); | |
424121c3 MK |
434 | } |
435 | ||
436 | static int ath10k_mac_set_frag(struct ath10k_vif *arvif, u32 value) | |
437 | { | |
6d1506e7 BM |
438 | struct ath10k *ar = arvif->ar; |
439 | u32 vdev_param; | |
440 | ||
424121c3 MK |
441 | if (value != 0xFFFFFFFF) |
442 | value = clamp_t(u32, arvif->ar->hw->wiphy->frag_threshold, | |
443 | ATH10K_FRAGMT_THRESHOLD_MIN, | |
444 | ATH10K_FRAGMT_THRESHOLD_MAX); | |
445 | ||
6d1506e7 BM |
446 | vdev_param = ar->wmi.vdev_param->fragmentation_threshold; |
447 | return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, value); | |
424121c3 MK |
448 | } |
449 | ||
5e3dd157 KV |
450 | static int ath10k_peer_delete(struct ath10k *ar, u32 vdev_id, const u8 *addr) |
451 | { | |
452 | int ret; | |
453 | ||
454 | lockdep_assert_held(&ar->conf_mutex); | |
455 | ||
456 | ret = ath10k_wmi_peer_delete(ar, vdev_id, addr); | |
457 | if (ret) | |
458 | return ret; | |
459 | ||
460 | ret = ath10k_wait_for_peer_deleted(ar, vdev_id, addr); | |
461 | if (ret) | |
462 | return ret; | |
463 | ||
0e759f36 | 464 | ar->num_peers--; |
0e759f36 | 465 | |
5e3dd157 KV |
466 | return 0; |
467 | } | |
468 | ||
469 | static void ath10k_peer_cleanup(struct ath10k *ar, u32 vdev_id) | |
470 | { | |
471 | struct ath10k_peer *peer, *tmp; | |
472 | ||
473 | lockdep_assert_held(&ar->conf_mutex); | |
474 | ||
475 | spin_lock_bh(&ar->data_lock); | |
476 | list_for_each_entry_safe(peer, tmp, &ar->peers, list) { | |
477 | if (peer->vdev_id != vdev_id) | |
478 | continue; | |
479 | ||
7aa7a72a | 480 | ath10k_warn(ar, "removing stale peer %pM from vdev_id %d\n", |
5e3dd157 KV |
481 | peer->addr, vdev_id); |
482 | ||
483 | list_del(&peer->list); | |
484 | kfree(peer); | |
0e759f36 | 485 | ar->num_peers--; |
5e3dd157 KV |
486 | } |
487 | spin_unlock_bh(&ar->data_lock); | |
488 | } | |
489 | ||
a96d7745 MK |
490 | static void ath10k_peer_cleanup_all(struct ath10k *ar) |
491 | { | |
492 | struct ath10k_peer *peer, *tmp; | |
493 | ||
494 | lockdep_assert_held(&ar->conf_mutex); | |
495 | ||
496 | spin_lock_bh(&ar->data_lock); | |
497 | list_for_each_entry_safe(peer, tmp, &ar->peers, list) { | |
498 | list_del(&peer->list); | |
499 | kfree(peer); | |
500 | } | |
501 | spin_unlock_bh(&ar->data_lock); | |
292a753d MK |
502 | |
503 | ar->num_peers = 0; | |
cfd1061e | 504 | ar->num_stations = 0; |
a96d7745 MK |
505 | } |
506 | ||
5e3dd157 KV |
507 | /************************/ |
508 | /* Interface management */ | |
509 | /************************/ | |
510 | ||
64badcb6 MK |
511 | void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif) |
512 | { | |
513 | struct ath10k *ar = arvif->ar; | |
514 | ||
515 | lockdep_assert_held(&ar->data_lock); | |
516 | ||
517 | if (!arvif->beacon) | |
518 | return; | |
519 | ||
520 | if (!arvif->beacon_buf) | |
521 | dma_unmap_single(ar->dev, ATH10K_SKB_CB(arvif->beacon)->paddr, | |
522 | arvif->beacon->len, DMA_TO_DEVICE); | |
523 | ||
524 | dev_kfree_skb_any(arvif->beacon); | |
525 | ||
526 | arvif->beacon = NULL; | |
527 | arvif->beacon_sent = false; | |
528 | } | |
529 | ||
530 | static void ath10k_mac_vif_beacon_cleanup(struct ath10k_vif *arvif) | |
531 | { | |
532 | struct ath10k *ar = arvif->ar; | |
533 | ||
534 | lockdep_assert_held(&ar->data_lock); | |
535 | ||
536 | ath10k_mac_vif_beacon_free(arvif); | |
537 | ||
538 | if (arvif->beacon_buf) { | |
539 | dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN, | |
540 | arvif->beacon_buf, arvif->beacon_paddr); | |
541 | arvif->beacon_buf = NULL; | |
542 | } | |
543 | } | |
544 | ||
5e3dd157 KV |
545 | static inline int ath10k_vdev_setup_sync(struct ath10k *ar) |
546 | { | |
547 | int ret; | |
548 | ||
548db54c MK |
549 | lockdep_assert_held(&ar->conf_mutex); |
550 | ||
7962b0d8 MK |
551 | if (test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags)) |
552 | return -ESHUTDOWN; | |
553 | ||
5e3dd157 KV |
554 | ret = wait_for_completion_timeout(&ar->vdev_setup_done, |
555 | ATH10K_VDEV_SETUP_TIMEOUT_HZ); | |
556 | if (ret == 0) | |
557 | return -ETIMEDOUT; | |
558 | ||
559 | return 0; | |
560 | } | |
561 | ||
1bbc0975 | 562 | static int ath10k_monitor_vdev_start(struct ath10k *ar, int vdev_id) |
5e3dd157 | 563 | { |
c930f744 MK |
564 | struct cfg80211_chan_def *chandef = &ar->chandef; |
565 | struct ieee80211_channel *channel = chandef->chan; | |
5e3dd157 | 566 | struct wmi_vdev_start_request_arg arg = {}; |
5e3dd157 KV |
567 | int ret = 0; |
568 | ||
569 | lockdep_assert_held(&ar->conf_mutex); | |
570 | ||
5e3dd157 KV |
571 | arg.vdev_id = vdev_id; |
572 | arg.channel.freq = channel->center_freq; | |
c930f744 | 573 | arg.channel.band_center_freq1 = chandef->center_freq1; |
5e3dd157 KV |
574 | |
575 | /* TODO setup this dynamically, what in case we | |
576 | don't have any vifs? */ | |
c930f744 | 577 | arg.channel.mode = chan_to_phymode(chandef); |
e8a50f8b MP |
578 | arg.channel.chan_radar = |
579 | !!(channel->flags & IEEE80211_CHAN_RADAR); | |
5e3dd157 | 580 | |
89c5c843 | 581 | arg.channel.min_power = 0; |
02256930 MK |
582 | arg.channel.max_power = channel->max_power * 2; |
583 | arg.channel.max_reg_power = channel->max_reg_power * 2; | |
584 | arg.channel.max_antenna_gain = channel->max_antenna_gain * 2; | |
5e3dd157 | 585 | |
7962b0d8 MK |
586 | reinit_completion(&ar->vdev_setup_done); |
587 | ||
5e3dd157 KV |
588 | ret = ath10k_wmi_vdev_start(ar, &arg); |
589 | if (ret) { | |
7aa7a72a | 590 | ath10k_warn(ar, "failed to request monitor vdev %i start: %d\n", |
69244e56 | 591 | vdev_id, ret); |
5e3dd157 KV |
592 | return ret; |
593 | } | |
594 | ||
595 | ret = ath10k_vdev_setup_sync(ar); | |
596 | if (ret) { | |
7aa7a72a | 597 | ath10k_warn(ar, "failed to synchronize setup for monitor vdev %i: %d\n", |
69244e56 | 598 | vdev_id, ret); |
5e3dd157 KV |
599 | return ret; |
600 | } | |
601 | ||
602 | ret = ath10k_wmi_vdev_up(ar, vdev_id, 0, ar->mac_addr); | |
603 | if (ret) { | |
7aa7a72a | 604 | ath10k_warn(ar, "failed to put up monitor vdev %i: %d\n", |
69244e56 | 605 | vdev_id, ret); |
5e3dd157 KV |
606 | goto vdev_stop; |
607 | } | |
608 | ||
609 | ar->monitor_vdev_id = vdev_id; | |
5e3dd157 | 610 | |
7aa7a72a | 611 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i started\n", |
1bbc0975 | 612 | ar->monitor_vdev_id); |
5e3dd157 KV |
613 | return 0; |
614 | ||
615 | vdev_stop: | |
616 | ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id); | |
617 | if (ret) | |
7aa7a72a | 618 | ath10k_warn(ar, "failed to stop monitor vdev %i after start failure: %d\n", |
69244e56 | 619 | ar->monitor_vdev_id, ret); |
5e3dd157 KV |
620 | |
621 | return ret; | |
622 | } | |
623 | ||
1bbc0975 | 624 | static int ath10k_monitor_vdev_stop(struct ath10k *ar) |
5e3dd157 KV |
625 | { |
626 | int ret = 0; | |
627 | ||
628 | lockdep_assert_held(&ar->conf_mutex); | |
629 | ||
52fa0191 MP |
630 | ret = ath10k_wmi_vdev_down(ar, ar->monitor_vdev_id); |
631 | if (ret) | |
7aa7a72a | 632 | ath10k_warn(ar, "failed to put down monitor vdev %i: %d\n", |
69244e56 | 633 | ar->monitor_vdev_id, ret); |
5e3dd157 | 634 | |
7962b0d8 MK |
635 | reinit_completion(&ar->vdev_setup_done); |
636 | ||
5e3dd157 KV |
637 | ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id); |
638 | if (ret) | |
7aa7a72a | 639 | ath10k_warn(ar, "failed to to request monitor vdev %i stop: %d\n", |
69244e56 | 640 | ar->monitor_vdev_id, ret); |
5e3dd157 KV |
641 | |
642 | ret = ath10k_vdev_setup_sync(ar); | |
643 | if (ret) | |
7aa7a72a | 644 | ath10k_warn(ar, "failed to synchronise monitor vdev %i: %d\n", |
69244e56 | 645 | ar->monitor_vdev_id, ret); |
5e3dd157 | 646 | |
7aa7a72a | 647 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i stopped\n", |
1bbc0975 | 648 | ar->monitor_vdev_id); |
5e3dd157 KV |
649 | return ret; |
650 | } | |
651 | ||
1bbc0975 | 652 | static int ath10k_monitor_vdev_create(struct ath10k *ar) |
5e3dd157 KV |
653 | { |
654 | int bit, ret = 0; | |
655 | ||
656 | lockdep_assert_held(&ar->conf_mutex); | |
657 | ||
a9aefb3b | 658 | if (ar->free_vdev_map == 0) { |
7aa7a72a | 659 | ath10k_warn(ar, "failed to find free vdev id for monitor vdev\n"); |
5e3dd157 KV |
660 | return -ENOMEM; |
661 | } | |
662 | ||
16c11176 | 663 | bit = __ffs64(ar->free_vdev_map); |
a9aefb3b | 664 | |
16c11176 | 665 | ar->monitor_vdev_id = bit; |
5e3dd157 KV |
666 | |
667 | ret = ath10k_wmi_vdev_create(ar, ar->monitor_vdev_id, | |
668 | WMI_VDEV_TYPE_MONITOR, | |
669 | 0, ar->mac_addr); | |
670 | if (ret) { | |
7aa7a72a | 671 | ath10k_warn(ar, "failed to request monitor vdev %i creation: %d\n", |
69244e56 | 672 | ar->monitor_vdev_id, ret); |
a9aefb3b | 673 | return ret; |
5e3dd157 KV |
674 | } |
675 | ||
16c11176 | 676 | ar->free_vdev_map &= ~(1LL << ar->monitor_vdev_id); |
7aa7a72a | 677 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d created\n", |
5e3dd157 KV |
678 | ar->monitor_vdev_id); |
679 | ||
5e3dd157 | 680 | return 0; |
5e3dd157 KV |
681 | } |
682 | ||
1bbc0975 | 683 | static int ath10k_monitor_vdev_delete(struct ath10k *ar) |
5e3dd157 KV |
684 | { |
685 | int ret = 0; | |
686 | ||
687 | lockdep_assert_held(&ar->conf_mutex); | |
688 | ||
5e3dd157 KV |
689 | ret = ath10k_wmi_vdev_delete(ar, ar->monitor_vdev_id); |
690 | if (ret) { | |
7aa7a72a | 691 | ath10k_warn(ar, "failed to request wmi monitor vdev %i removal: %d\n", |
69244e56 | 692 | ar->monitor_vdev_id, ret); |
5e3dd157 KV |
693 | return ret; |
694 | } | |
695 | ||
16c11176 | 696 | ar->free_vdev_map |= 1LL << ar->monitor_vdev_id; |
5e3dd157 | 697 | |
7aa7a72a | 698 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d deleted\n", |
5e3dd157 KV |
699 | ar->monitor_vdev_id); |
700 | return ret; | |
701 | } | |
702 | ||
1bbc0975 MK |
703 | static int ath10k_monitor_start(struct ath10k *ar) |
704 | { | |
705 | int ret; | |
706 | ||
707 | lockdep_assert_held(&ar->conf_mutex); | |
708 | ||
1bbc0975 MK |
709 | ret = ath10k_monitor_vdev_create(ar); |
710 | if (ret) { | |
7aa7a72a | 711 | ath10k_warn(ar, "failed to create monitor vdev: %d\n", ret); |
1bbc0975 MK |
712 | return ret; |
713 | } | |
714 | ||
715 | ret = ath10k_monitor_vdev_start(ar, ar->monitor_vdev_id); | |
716 | if (ret) { | |
7aa7a72a | 717 | ath10k_warn(ar, "failed to start monitor vdev: %d\n", ret); |
1bbc0975 MK |
718 | ath10k_monitor_vdev_delete(ar); |
719 | return ret; | |
720 | } | |
721 | ||
722 | ar->monitor_started = true; | |
7aa7a72a | 723 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor started\n"); |
1bbc0975 MK |
724 | |
725 | return 0; | |
726 | } | |
727 | ||
1933747f | 728 | static int ath10k_monitor_stop(struct ath10k *ar) |
1bbc0975 MK |
729 | { |
730 | int ret; | |
731 | ||
732 | lockdep_assert_held(&ar->conf_mutex); | |
733 | ||
1bbc0975 | 734 | ret = ath10k_monitor_vdev_stop(ar); |
1933747f | 735 | if (ret) { |
7aa7a72a | 736 | ath10k_warn(ar, "failed to stop monitor vdev: %d\n", ret); |
1933747f MK |
737 | return ret; |
738 | } | |
1bbc0975 MK |
739 | |
740 | ret = ath10k_monitor_vdev_delete(ar); | |
1933747f | 741 | if (ret) { |
7aa7a72a | 742 | ath10k_warn(ar, "failed to delete monitor vdev: %d\n", ret); |
1933747f MK |
743 | return ret; |
744 | } | |
1bbc0975 MK |
745 | |
746 | ar->monitor_started = false; | |
7aa7a72a | 747 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopped\n"); |
1933747f MK |
748 | |
749 | return 0; | |
750 | } | |
751 | ||
752 | static int ath10k_monitor_recalc(struct ath10k *ar) | |
753 | { | |
754 | bool should_start; | |
755 | ||
756 | lockdep_assert_held(&ar->conf_mutex); | |
757 | ||
758 | should_start = ar->monitor || | |
759 | ar->filter_flags & FIF_PROMISC_IN_BSS || | |
760 | test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); | |
761 | ||
762 | ath10k_dbg(ar, ATH10K_DBG_MAC, | |
763 | "mac monitor recalc started? %d should? %d\n", | |
764 | ar->monitor_started, should_start); | |
765 | ||
766 | if (should_start == ar->monitor_started) | |
767 | return 0; | |
768 | ||
769 | if (should_start) | |
770 | return ath10k_monitor_start(ar); | |
d8bb26b9 KV |
771 | |
772 | return ath10k_monitor_stop(ar); | |
1bbc0975 MK |
773 | } |
774 | ||
e81bd104 MK |
775 | static int ath10k_recalc_rtscts_prot(struct ath10k_vif *arvif) |
776 | { | |
777 | struct ath10k *ar = arvif->ar; | |
778 | u32 vdev_param, rts_cts = 0; | |
779 | ||
780 | lockdep_assert_held(&ar->conf_mutex); | |
781 | ||
782 | vdev_param = ar->wmi.vdev_param->enable_rtscts; | |
783 | ||
784 | if (arvif->use_cts_prot || arvif->num_legacy_stations > 0) | |
785 | rts_cts |= SM(WMI_RTSCTS_ENABLED, WMI_RTSCTS_SET); | |
786 | ||
787 | if (arvif->num_legacy_stations > 0) | |
788 | rts_cts |= SM(WMI_RTSCTS_ACROSS_SW_RETRIES, | |
789 | WMI_RTSCTS_PROFILE); | |
790 | ||
791 | return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
792 | rts_cts); | |
793 | } | |
794 | ||
e8a50f8b MP |
795 | static int ath10k_start_cac(struct ath10k *ar) |
796 | { | |
797 | int ret; | |
798 | ||
799 | lockdep_assert_held(&ar->conf_mutex); | |
800 | ||
801 | set_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); | |
802 | ||
1933747f | 803 | ret = ath10k_monitor_recalc(ar); |
e8a50f8b | 804 | if (ret) { |
7aa7a72a | 805 | ath10k_warn(ar, "failed to start monitor (cac): %d\n", ret); |
e8a50f8b MP |
806 | clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); |
807 | return ret; | |
808 | } | |
809 | ||
7aa7a72a | 810 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac start monitor vdev %d\n", |
e8a50f8b MP |
811 | ar->monitor_vdev_id); |
812 | ||
813 | return 0; | |
814 | } | |
815 | ||
816 | static int ath10k_stop_cac(struct ath10k *ar) | |
817 | { | |
818 | lockdep_assert_held(&ar->conf_mutex); | |
819 | ||
820 | /* CAC is not running - do nothing */ | |
821 | if (!test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags)) | |
822 | return 0; | |
823 | ||
e8a50f8b | 824 | clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); |
1bbc0975 | 825 | ath10k_monitor_stop(ar); |
e8a50f8b | 826 | |
7aa7a72a | 827 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac finished\n"); |
e8a50f8b MP |
828 | |
829 | return 0; | |
830 | } | |
831 | ||
d650097b | 832 | static void ath10k_recalc_radar_detection(struct ath10k *ar) |
e8a50f8b | 833 | { |
e8a50f8b MP |
834 | int ret; |
835 | ||
836 | lockdep_assert_held(&ar->conf_mutex); | |
837 | ||
e8a50f8b MP |
838 | ath10k_stop_cac(ar); |
839 | ||
d650097b | 840 | if (!ar->radar_enabled) |
e8a50f8b MP |
841 | return; |
842 | ||
d650097b | 843 | if (ar->num_started_vdevs > 0) |
e8a50f8b MP |
844 | return; |
845 | ||
846 | ret = ath10k_start_cac(ar); | |
847 | if (ret) { | |
848 | /* | |
849 | * Not possible to start CAC on current channel so starting | |
850 | * radiation is not allowed, make this channel DFS_UNAVAILABLE | |
851 | * by indicating that radar was detected. | |
852 | */ | |
7aa7a72a | 853 | ath10k_warn(ar, "failed to start CAC: %d\n", ret); |
e8a50f8b MP |
854 | ieee80211_radar_detected(ar->hw); |
855 | } | |
856 | } | |
857 | ||
dc55e307 | 858 | static int ath10k_vdev_start_restart(struct ath10k_vif *arvif, bool restart) |
72654fa7 MK |
859 | { |
860 | struct ath10k *ar = arvif->ar; | |
861 | struct cfg80211_chan_def *chandef = &ar->chandef; | |
862 | struct wmi_vdev_start_request_arg arg = {}; | |
863 | int ret = 0; | |
864 | ||
865 | lockdep_assert_held(&ar->conf_mutex); | |
866 | ||
867 | reinit_completion(&ar->vdev_setup_done); | |
868 | ||
869 | arg.vdev_id = arvif->vdev_id; | |
870 | arg.dtim_period = arvif->dtim_period; | |
871 | arg.bcn_intval = arvif->beacon_interval; | |
872 | ||
873 | arg.channel.freq = chandef->chan->center_freq; | |
874 | arg.channel.band_center_freq1 = chandef->center_freq1; | |
875 | arg.channel.mode = chan_to_phymode(chandef); | |
876 | ||
877 | arg.channel.min_power = 0; | |
878 | arg.channel.max_power = chandef->chan->max_power * 2; | |
879 | arg.channel.max_reg_power = chandef->chan->max_reg_power * 2; | |
880 | arg.channel.max_antenna_gain = chandef->chan->max_antenna_gain * 2; | |
881 | ||
882 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { | |
883 | arg.ssid = arvif->u.ap.ssid; | |
884 | arg.ssid_len = arvif->u.ap.ssid_len; | |
885 | arg.hidden_ssid = arvif->u.ap.hidden_ssid; | |
886 | ||
887 | /* For now allow DFS for AP mode */ | |
888 | arg.channel.chan_radar = | |
889 | !!(chandef->chan->flags & IEEE80211_CHAN_RADAR); | |
890 | } else if (arvif->vdev_type == WMI_VDEV_TYPE_IBSS) { | |
891 | arg.ssid = arvif->vif->bss_conf.ssid; | |
892 | arg.ssid_len = arvif->vif->bss_conf.ssid_len; | |
893 | } | |
894 | ||
7aa7a72a | 895 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
72654fa7 MK |
896 | "mac vdev %d start center_freq %d phymode %s\n", |
897 | arg.vdev_id, arg.channel.freq, | |
898 | ath10k_wmi_phymode_str(arg.channel.mode)); | |
899 | ||
dc55e307 MK |
900 | if (restart) |
901 | ret = ath10k_wmi_vdev_restart(ar, &arg); | |
902 | else | |
903 | ret = ath10k_wmi_vdev_start(ar, &arg); | |
904 | ||
72654fa7 | 905 | if (ret) { |
7aa7a72a | 906 | ath10k_warn(ar, "failed to start WMI vdev %i: %d\n", |
72654fa7 MK |
907 | arg.vdev_id, ret); |
908 | return ret; | |
909 | } | |
910 | ||
911 | ret = ath10k_vdev_setup_sync(ar); | |
912 | if (ret) { | |
7aa7a72a | 913 | ath10k_warn(ar, "failed to synchronise setup for vdev %i: %d\n", |
72654fa7 MK |
914 | arg.vdev_id, ret); |
915 | return ret; | |
916 | } | |
917 | ||
d650097b MK |
918 | ar->num_started_vdevs++; |
919 | ath10k_recalc_radar_detection(ar); | |
920 | ||
72654fa7 MK |
921 | return ret; |
922 | } | |
923 | ||
dc55e307 MK |
924 | static int ath10k_vdev_start(struct ath10k_vif *arvif) |
925 | { | |
926 | return ath10k_vdev_start_restart(arvif, false); | |
927 | } | |
928 | ||
929 | static int ath10k_vdev_restart(struct ath10k_vif *arvif) | |
930 | { | |
931 | return ath10k_vdev_start_restart(arvif, true); | |
932 | } | |
933 | ||
72654fa7 MK |
934 | static int ath10k_vdev_stop(struct ath10k_vif *arvif) |
935 | { | |
936 | struct ath10k *ar = arvif->ar; | |
937 | int ret; | |
938 | ||
939 | lockdep_assert_held(&ar->conf_mutex); | |
940 | ||
941 | reinit_completion(&ar->vdev_setup_done); | |
942 | ||
943 | ret = ath10k_wmi_vdev_stop(ar, arvif->vdev_id); | |
944 | if (ret) { | |
7aa7a72a | 945 | ath10k_warn(ar, "failed to stop WMI vdev %i: %d\n", |
72654fa7 MK |
946 | arvif->vdev_id, ret); |
947 | return ret; | |
948 | } | |
949 | ||
950 | ret = ath10k_vdev_setup_sync(ar); | |
951 | if (ret) { | |
7aa7a72a | 952 | ath10k_warn(ar, "failed to syncronise setup for vdev %i: %d\n", |
72654fa7 MK |
953 | arvif->vdev_id, ret); |
954 | return ret; | |
955 | } | |
956 | ||
d650097b MK |
957 | WARN_ON(ar->num_started_vdevs == 0); |
958 | ||
959 | if (ar->num_started_vdevs != 0) { | |
960 | ar->num_started_vdevs--; | |
961 | ath10k_recalc_radar_detection(ar); | |
962 | } | |
963 | ||
72654fa7 MK |
964 | return ret; |
965 | } | |
966 | ||
5e3dd157 | 967 | static void ath10k_control_beaconing(struct ath10k_vif *arvif, |
5b07e07f | 968 | struct ieee80211_bss_conf *info) |
5e3dd157 | 969 | { |
7aa7a72a | 970 | struct ath10k *ar = arvif->ar; |
5e3dd157 KV |
971 | int ret = 0; |
972 | ||
548db54c MK |
973 | lockdep_assert_held(&arvif->ar->conf_mutex); |
974 | ||
5e3dd157 KV |
975 | if (!info->enable_beacon) { |
976 | ath10k_vdev_stop(arvif); | |
c930f744 MK |
977 | |
978 | arvif->is_started = false; | |
979 | arvif->is_up = false; | |
980 | ||
748afc47 | 981 | spin_lock_bh(&arvif->ar->data_lock); |
64badcb6 | 982 | ath10k_mac_vif_beacon_free(arvif); |
748afc47 MK |
983 | spin_unlock_bh(&arvif->ar->data_lock); |
984 | ||
5e3dd157 KV |
985 | return; |
986 | } | |
987 | ||
988 | arvif->tx_seq_no = 0x1000; | |
989 | ||
990 | ret = ath10k_vdev_start(arvif); | |
991 | if (ret) | |
992 | return; | |
993 | ||
c930f744 | 994 | arvif->aid = 0; |
b25f32cb | 995 | ether_addr_copy(arvif->bssid, info->bssid); |
c930f744 MK |
996 | |
997 | ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid, | |
998 | arvif->bssid); | |
5e3dd157 | 999 | if (ret) { |
7aa7a72a | 1000 | ath10k_warn(ar, "failed to bring up vdev %d: %i\n", |
69244e56 | 1001 | arvif->vdev_id, ret); |
c930f744 | 1002 | ath10k_vdev_stop(arvif); |
5e3dd157 KV |
1003 | return; |
1004 | } | |
c930f744 MK |
1005 | |
1006 | arvif->is_started = true; | |
1007 | arvif->is_up = true; | |
1008 | ||
7aa7a72a | 1009 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d up\n", arvif->vdev_id); |
5e3dd157 KV |
1010 | } |
1011 | ||
1012 | static void ath10k_control_ibss(struct ath10k_vif *arvif, | |
1013 | struct ieee80211_bss_conf *info, | |
1014 | const u8 self_peer[ETH_ALEN]) | |
1015 | { | |
7aa7a72a | 1016 | struct ath10k *ar = arvif->ar; |
6d1506e7 | 1017 | u32 vdev_param; |
5e3dd157 KV |
1018 | int ret = 0; |
1019 | ||
548db54c MK |
1020 | lockdep_assert_held(&arvif->ar->conf_mutex); |
1021 | ||
5e3dd157 KV |
1022 | if (!info->ibss_joined) { |
1023 | ret = ath10k_peer_delete(arvif->ar, arvif->vdev_id, self_peer); | |
1024 | if (ret) | |
7aa7a72a | 1025 | ath10k_warn(ar, "failed to delete IBSS self peer %pM for vdev %d: %d\n", |
5e3dd157 KV |
1026 | self_peer, arvif->vdev_id, ret); |
1027 | ||
c930f744 | 1028 | if (is_zero_ether_addr(arvif->bssid)) |
5e3dd157 KV |
1029 | return; |
1030 | ||
c930f744 | 1031 | memset(arvif->bssid, 0, ETH_ALEN); |
5e3dd157 KV |
1032 | |
1033 | return; | |
1034 | } | |
1035 | ||
1036 | ret = ath10k_peer_create(arvif->ar, arvif->vdev_id, self_peer); | |
1037 | if (ret) { | |
7aa7a72a | 1038 | ath10k_warn(ar, "failed to create IBSS self peer %pM for vdev %d: %d\n", |
5e3dd157 KV |
1039 | self_peer, arvif->vdev_id, ret); |
1040 | return; | |
1041 | } | |
1042 | ||
6d1506e7 BM |
1043 | vdev_param = arvif->ar->wmi.vdev_param->atim_window; |
1044 | ret = ath10k_wmi_vdev_set_param(arvif->ar, arvif->vdev_id, vdev_param, | |
5e3dd157 KV |
1045 | ATH10K_DEFAULT_ATIM); |
1046 | if (ret) | |
7aa7a72a | 1047 | ath10k_warn(ar, "failed to set IBSS ATIM for vdev %d: %d\n", |
5e3dd157 KV |
1048 | arvif->vdev_id, ret); |
1049 | } | |
1050 | ||
9f9b5746 MK |
1051 | static int ath10k_mac_vif_recalc_ps_wake_threshold(struct ath10k_vif *arvif) |
1052 | { | |
1053 | struct ath10k *ar = arvif->ar; | |
1054 | u32 param; | |
1055 | u32 value; | |
1056 | int ret; | |
1057 | ||
1058 | lockdep_assert_held(&arvif->ar->conf_mutex); | |
1059 | ||
1060 | if (arvif->u.sta.uapsd) | |
1061 | value = WMI_STA_PS_TX_WAKE_THRESHOLD_NEVER; | |
1062 | else | |
1063 | value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS; | |
1064 | ||
1065 | param = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD; | |
1066 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param, value); | |
1067 | if (ret) { | |
1068 | ath10k_warn(ar, "failed to submit ps wake threshold %u on vdev %i: %d\n", | |
1069 | value, arvif->vdev_id, ret); | |
1070 | return ret; | |
1071 | } | |
1072 | ||
1073 | return 0; | |
1074 | } | |
1075 | ||
1076 | static int ath10k_mac_vif_recalc_ps_poll_count(struct ath10k_vif *arvif) | |
1077 | { | |
1078 | struct ath10k *ar = arvif->ar; | |
1079 | u32 param; | |
1080 | u32 value; | |
1081 | int ret; | |
1082 | ||
1083 | lockdep_assert_held(&arvif->ar->conf_mutex); | |
1084 | ||
1085 | if (arvif->u.sta.uapsd) | |
1086 | value = WMI_STA_PS_PSPOLL_COUNT_UAPSD; | |
1087 | else | |
1088 | value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX; | |
1089 | ||
1090 | param = WMI_STA_PS_PARAM_PSPOLL_COUNT; | |
1091 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
1092 | param, value); | |
1093 | if (ret) { | |
1094 | ath10k_warn(ar, "failed to submit ps poll count %u on vdev %i: %d\n", | |
1095 | value, arvif->vdev_id, ret); | |
1096 | return ret; | |
1097 | } | |
1098 | ||
1099 | return 0; | |
1100 | } | |
1101 | ||
5e3dd157 KV |
1102 | /* |
1103 | * Review this when mac80211 gains per-interface powersave support. | |
1104 | */ | |
ad088bfa | 1105 | static int ath10k_mac_vif_setup_ps(struct ath10k_vif *arvif) |
5e3dd157 | 1106 | { |
ad088bfa | 1107 | struct ath10k *ar = arvif->ar; |
526549a8 | 1108 | struct ieee80211_vif *vif = arvif->vif; |
ad088bfa | 1109 | struct ieee80211_conf *conf = &ar->hw->conf; |
5e3dd157 KV |
1110 | enum wmi_sta_powersave_param param; |
1111 | enum wmi_sta_ps_mode psmode; | |
1112 | int ret; | |
526549a8 | 1113 | int ps_timeout; |
5e3dd157 | 1114 | |
548db54c MK |
1115 | lockdep_assert_held(&arvif->ar->conf_mutex); |
1116 | ||
ad088bfa MK |
1117 | if (arvif->vif->type != NL80211_IFTYPE_STATION) |
1118 | return 0; | |
5e3dd157 KV |
1119 | |
1120 | if (conf->flags & IEEE80211_CONF_PS) { | |
1121 | psmode = WMI_STA_PS_MODE_ENABLED; | |
1122 | param = WMI_STA_PS_PARAM_INACTIVITY_TIME; | |
1123 | ||
526549a8 MK |
1124 | ps_timeout = conf->dynamic_ps_timeout; |
1125 | if (ps_timeout == 0) { | |
1126 | /* Firmware doesn't like 0 */ | |
1127 | ps_timeout = ieee80211_tu_to_usec( | |
1128 | vif->bss_conf.beacon_int) / 1000; | |
1129 | } | |
1130 | ||
ad088bfa | 1131 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param, |
526549a8 | 1132 | ps_timeout); |
5e3dd157 | 1133 | if (ret) { |
7aa7a72a | 1134 | ath10k_warn(ar, "failed to set inactivity time for vdev %d: %i\n", |
69244e56 | 1135 | arvif->vdev_id, ret); |
ad088bfa | 1136 | return ret; |
5e3dd157 | 1137 | } |
5e3dd157 KV |
1138 | } else { |
1139 | psmode = WMI_STA_PS_MODE_DISABLED; | |
1140 | } | |
1141 | ||
7aa7a72a | 1142 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d psmode %s\n", |
60c3daa8 KV |
1143 | arvif->vdev_id, psmode ? "enable" : "disable"); |
1144 | ||
ad088bfa MK |
1145 | ret = ath10k_wmi_set_psmode(ar, arvif->vdev_id, psmode); |
1146 | if (ret) { | |
7aa7a72a | 1147 | ath10k_warn(ar, "failed to set PS Mode %d for vdev %d: %d\n", |
be6546fc | 1148 | psmode, arvif->vdev_id, ret); |
ad088bfa MK |
1149 | return ret; |
1150 | } | |
1151 | ||
1152 | return 0; | |
5e3dd157 KV |
1153 | } |
1154 | ||
1155 | /**********************/ | |
1156 | /* Station management */ | |
1157 | /**********************/ | |
1158 | ||
590922a8 MK |
1159 | static u32 ath10k_peer_assoc_h_listen_intval(struct ath10k *ar, |
1160 | struct ieee80211_vif *vif) | |
1161 | { | |
1162 | /* Some firmware revisions have unstable STA powersave when listen | |
1163 | * interval is set too high (e.g. 5). The symptoms are firmware doesn't | |
1164 | * generate NullFunc frames properly even if buffered frames have been | |
1165 | * indicated in Beacon TIM. Firmware would seldom wake up to pull | |
1166 | * buffered frames. Often pinging the device from AP would simply fail. | |
1167 | * | |
1168 | * As a workaround set it to 1. | |
1169 | */ | |
1170 | if (vif->type == NL80211_IFTYPE_STATION) | |
1171 | return 1; | |
1172 | ||
1173 | return ar->hw->conf.listen_interval; | |
1174 | } | |
1175 | ||
5e3dd157 | 1176 | static void ath10k_peer_assoc_h_basic(struct ath10k *ar, |
590922a8 | 1177 | struct ieee80211_vif *vif, |
5e3dd157 | 1178 | struct ieee80211_sta *sta, |
5e3dd157 KV |
1179 | struct wmi_peer_assoc_complete_arg *arg) |
1180 | { | |
590922a8 MK |
1181 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
1182 | ||
548db54c MK |
1183 | lockdep_assert_held(&ar->conf_mutex); |
1184 | ||
b25f32cb | 1185 | ether_addr_copy(arg->addr, sta->addr); |
5e3dd157 KV |
1186 | arg->vdev_id = arvif->vdev_id; |
1187 | arg->peer_aid = sta->aid; | |
1188 | arg->peer_flags |= WMI_PEER_AUTH; | |
590922a8 | 1189 | arg->peer_listen_intval = ath10k_peer_assoc_h_listen_intval(ar, vif); |
5e3dd157 | 1190 | arg->peer_num_spatial_streams = 1; |
590922a8 | 1191 | arg->peer_caps = vif->bss_conf.assoc_capability; |
5e3dd157 KV |
1192 | } |
1193 | ||
1194 | static void ath10k_peer_assoc_h_crypto(struct ath10k *ar, | |
590922a8 | 1195 | struct ieee80211_vif *vif, |
5e3dd157 KV |
1196 | struct wmi_peer_assoc_complete_arg *arg) |
1197 | { | |
5e3dd157 KV |
1198 | struct ieee80211_bss_conf *info = &vif->bss_conf; |
1199 | struct cfg80211_bss *bss; | |
1200 | const u8 *rsnie = NULL; | |
1201 | const u8 *wpaie = NULL; | |
1202 | ||
548db54c MK |
1203 | lockdep_assert_held(&ar->conf_mutex); |
1204 | ||
5e3dd157 KV |
1205 | bss = cfg80211_get_bss(ar->hw->wiphy, ar->hw->conf.chandef.chan, |
1206 | info->bssid, NULL, 0, 0, 0); | |
1207 | if (bss) { | |
1208 | const struct cfg80211_bss_ies *ies; | |
1209 | ||
1210 | rcu_read_lock(); | |
1211 | rsnie = ieee80211_bss_get_ie(bss, WLAN_EID_RSN); | |
1212 | ||
1213 | ies = rcu_dereference(bss->ies); | |
1214 | ||
1215 | wpaie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, | |
5b07e07f KV |
1216 | WLAN_OUI_TYPE_MICROSOFT_WPA, |
1217 | ies->data, | |
1218 | ies->len); | |
5e3dd157 KV |
1219 | rcu_read_unlock(); |
1220 | cfg80211_put_bss(ar->hw->wiphy, bss); | |
1221 | } | |
1222 | ||
1223 | /* FIXME: base on RSN IE/WPA IE is a correct idea? */ | |
1224 | if (rsnie || wpaie) { | |
7aa7a72a | 1225 | ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: rsn ie found\n", __func__); |
5e3dd157 KV |
1226 | arg->peer_flags |= WMI_PEER_NEED_PTK_4_WAY; |
1227 | } | |
1228 | ||
1229 | if (wpaie) { | |
7aa7a72a | 1230 | ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: wpa ie found\n", __func__); |
5e3dd157 KV |
1231 | arg->peer_flags |= WMI_PEER_NEED_GTK_2_WAY; |
1232 | } | |
1233 | } | |
1234 | ||
1235 | static void ath10k_peer_assoc_h_rates(struct ath10k *ar, | |
1236 | struct ieee80211_sta *sta, | |
1237 | struct wmi_peer_assoc_complete_arg *arg) | |
1238 | { | |
1239 | struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates; | |
1240 | const struct ieee80211_supported_band *sband; | |
1241 | const struct ieee80211_rate *rates; | |
1242 | u32 ratemask; | |
1243 | int i; | |
1244 | ||
548db54c MK |
1245 | lockdep_assert_held(&ar->conf_mutex); |
1246 | ||
5e3dd157 KV |
1247 | sband = ar->hw->wiphy->bands[ar->hw->conf.chandef.chan->band]; |
1248 | ratemask = sta->supp_rates[ar->hw->conf.chandef.chan->band]; | |
1249 | rates = sband->bitrates; | |
1250 | ||
1251 | rateset->num_rates = 0; | |
1252 | ||
1253 | for (i = 0; i < 32; i++, ratemask >>= 1, rates++) { | |
1254 | if (!(ratemask & 1)) | |
1255 | continue; | |
1256 | ||
1257 | rateset->rates[rateset->num_rates] = rates->hw_value; | |
1258 | rateset->num_rates++; | |
1259 | } | |
1260 | } | |
1261 | ||
1262 | static void ath10k_peer_assoc_h_ht(struct ath10k *ar, | |
1263 | struct ieee80211_sta *sta, | |
1264 | struct wmi_peer_assoc_complete_arg *arg) | |
1265 | { | |
1266 | const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; | |
5e3dd157 | 1267 | int i, n; |
af762c0b | 1268 | u32 stbc; |
5e3dd157 | 1269 | |
548db54c MK |
1270 | lockdep_assert_held(&ar->conf_mutex); |
1271 | ||
5e3dd157 KV |
1272 | if (!ht_cap->ht_supported) |
1273 | return; | |
1274 | ||
1275 | arg->peer_flags |= WMI_PEER_HT; | |
1276 | arg->peer_max_mpdu = (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR + | |
1277 | ht_cap->ampdu_factor)) - 1; | |
1278 | ||
1279 | arg->peer_mpdu_density = | |
1280 | ath10k_parse_mpdudensity(ht_cap->ampdu_density); | |
1281 | ||
1282 | arg->peer_ht_caps = ht_cap->cap; | |
1283 | arg->peer_rate_caps |= WMI_RC_HT_FLAG; | |
1284 | ||
1285 | if (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING) | |
1286 | arg->peer_flags |= WMI_PEER_LDPC; | |
1287 | ||
1288 | if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) { | |
1289 | arg->peer_flags |= WMI_PEER_40MHZ; | |
1290 | arg->peer_rate_caps |= WMI_RC_CW40_FLAG; | |
1291 | } | |
1292 | ||
1293 | if (ht_cap->cap & IEEE80211_HT_CAP_SGI_20) | |
1294 | arg->peer_rate_caps |= WMI_RC_SGI_FLAG; | |
1295 | ||
1296 | if (ht_cap->cap & IEEE80211_HT_CAP_SGI_40) | |
1297 | arg->peer_rate_caps |= WMI_RC_SGI_FLAG; | |
1298 | ||
1299 | if (ht_cap->cap & IEEE80211_HT_CAP_TX_STBC) { | |
1300 | arg->peer_rate_caps |= WMI_RC_TX_STBC_FLAG; | |
1301 | arg->peer_flags |= WMI_PEER_STBC; | |
1302 | } | |
1303 | ||
1304 | if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) { | |
5e3dd157 KV |
1305 | stbc = ht_cap->cap & IEEE80211_HT_CAP_RX_STBC; |
1306 | stbc = stbc >> IEEE80211_HT_CAP_RX_STBC_SHIFT; | |
1307 | stbc = stbc << WMI_RC_RX_STBC_FLAG_S; | |
1308 | arg->peer_rate_caps |= stbc; | |
1309 | arg->peer_flags |= WMI_PEER_STBC; | |
1310 | } | |
1311 | ||
5e3dd157 KV |
1312 | if (ht_cap->mcs.rx_mask[1] && ht_cap->mcs.rx_mask[2]) |
1313 | arg->peer_rate_caps |= WMI_RC_TS_FLAG; | |
1314 | else if (ht_cap->mcs.rx_mask[1]) | |
1315 | arg->peer_rate_caps |= WMI_RC_DS_FLAG; | |
1316 | ||
1317 | for (i = 0, n = 0; i < IEEE80211_HT_MCS_MASK_LEN*8; i++) | |
1318 | if (ht_cap->mcs.rx_mask[i/8] & (1 << i%8)) | |
1319 | arg->peer_ht_rates.rates[n++] = i; | |
1320 | ||
fd71f807 BM |
1321 | /* |
1322 | * This is a workaround for HT-enabled STAs which break the spec | |
1323 | * and have no HT capabilities RX mask (no HT RX MCS map). | |
1324 | * | |
1325 | * As per spec, in section 20.3.5 Modulation and coding scheme (MCS), | |
1326 | * MCS 0 through 7 are mandatory in 20MHz with 800 ns GI at all STAs. | |
1327 | * | |
1328 | * Firmware asserts if such situation occurs. | |
1329 | */ | |
1330 | if (n == 0) { | |
1331 | arg->peer_ht_rates.num_rates = 8; | |
1332 | for (i = 0; i < arg->peer_ht_rates.num_rates; i++) | |
1333 | arg->peer_ht_rates.rates[i] = i; | |
1334 | } else { | |
1335 | arg->peer_ht_rates.num_rates = n; | |
1336 | arg->peer_num_spatial_streams = sta->rx_nss; | |
1337 | } | |
5e3dd157 | 1338 | |
7aa7a72a | 1339 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ht peer %pM mcs cnt %d nss %d\n", |
60c3daa8 | 1340 | arg->addr, |
5e3dd157 KV |
1341 | arg->peer_ht_rates.num_rates, |
1342 | arg->peer_num_spatial_streams); | |
1343 | } | |
1344 | ||
d3d3ff42 JD |
1345 | static int ath10k_peer_assoc_qos_ap(struct ath10k *ar, |
1346 | struct ath10k_vif *arvif, | |
1347 | struct ieee80211_sta *sta) | |
5e3dd157 KV |
1348 | { |
1349 | u32 uapsd = 0; | |
1350 | u32 max_sp = 0; | |
d3d3ff42 | 1351 | int ret = 0; |
5e3dd157 | 1352 | |
548db54c MK |
1353 | lockdep_assert_held(&ar->conf_mutex); |
1354 | ||
5e3dd157 | 1355 | if (sta->wme && sta->uapsd_queues) { |
7aa7a72a | 1356 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac uapsd_queues 0x%x max_sp %d\n", |
5e3dd157 KV |
1357 | sta->uapsd_queues, sta->max_sp); |
1358 | ||
5e3dd157 KV |
1359 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) |
1360 | uapsd |= WMI_AP_PS_UAPSD_AC3_DELIVERY_EN | | |
1361 | WMI_AP_PS_UAPSD_AC3_TRIGGER_EN; | |
1362 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI) | |
1363 | uapsd |= WMI_AP_PS_UAPSD_AC2_DELIVERY_EN | | |
1364 | WMI_AP_PS_UAPSD_AC2_TRIGGER_EN; | |
1365 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK) | |
1366 | uapsd |= WMI_AP_PS_UAPSD_AC1_DELIVERY_EN | | |
1367 | WMI_AP_PS_UAPSD_AC1_TRIGGER_EN; | |
1368 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE) | |
1369 | uapsd |= WMI_AP_PS_UAPSD_AC0_DELIVERY_EN | | |
1370 | WMI_AP_PS_UAPSD_AC0_TRIGGER_EN; | |
1371 | ||
5e3dd157 KV |
1372 | if (sta->max_sp < MAX_WMI_AP_PS_PEER_PARAM_MAX_SP) |
1373 | max_sp = sta->max_sp; | |
1374 | ||
d3d3ff42 JD |
1375 | ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, |
1376 | sta->addr, | |
1377 | WMI_AP_PS_PEER_PARAM_UAPSD, | |
1378 | uapsd); | |
1379 | if (ret) { | |
7aa7a72a | 1380 | ath10k_warn(ar, "failed to set ap ps peer param uapsd for vdev %i: %d\n", |
69244e56 | 1381 | arvif->vdev_id, ret); |
d3d3ff42 JD |
1382 | return ret; |
1383 | } | |
5e3dd157 | 1384 | |
d3d3ff42 JD |
1385 | ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, |
1386 | sta->addr, | |
1387 | WMI_AP_PS_PEER_PARAM_MAX_SP, | |
1388 | max_sp); | |
1389 | if (ret) { | |
7aa7a72a | 1390 | ath10k_warn(ar, "failed to set ap ps peer param max sp for vdev %i: %d\n", |
69244e56 | 1391 | arvif->vdev_id, ret); |
d3d3ff42 JD |
1392 | return ret; |
1393 | } | |
5e3dd157 KV |
1394 | |
1395 | /* TODO setup this based on STA listen interval and | |
1396 | beacon interval. Currently we don't know | |
1397 | sta->listen_interval - mac80211 patch required. | |
1398 | Currently use 10 seconds */ | |
d3d3ff42 | 1399 | ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, sta->addr, |
5b07e07f KV |
1400 | WMI_AP_PS_PEER_PARAM_AGEOUT_TIME, |
1401 | 10); | |
d3d3ff42 | 1402 | if (ret) { |
7aa7a72a | 1403 | ath10k_warn(ar, "failed to set ap ps peer param ageout time for vdev %i: %d\n", |
69244e56 | 1404 | arvif->vdev_id, ret); |
d3d3ff42 JD |
1405 | return ret; |
1406 | } | |
5e3dd157 | 1407 | } |
5e3dd157 | 1408 | |
d3d3ff42 | 1409 | return 0; |
5e3dd157 KV |
1410 | } |
1411 | ||
1412 | static void ath10k_peer_assoc_h_vht(struct ath10k *ar, | |
1413 | struct ieee80211_sta *sta, | |
1414 | struct wmi_peer_assoc_complete_arg *arg) | |
1415 | { | |
1416 | const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap; | |
a24b88b5 | 1417 | u8 ampdu_factor; |
5e3dd157 KV |
1418 | |
1419 | if (!vht_cap->vht_supported) | |
1420 | return; | |
1421 | ||
1422 | arg->peer_flags |= WMI_PEER_VHT; | |
5e3dd157 KV |
1423 | arg->peer_vht_caps = vht_cap->cap; |
1424 | ||
a24b88b5 SM |
1425 | ampdu_factor = (vht_cap->cap & |
1426 | IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >> | |
1427 | IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT; | |
1428 | ||
1429 | /* Workaround: Some Netgear/Linksys 11ac APs set Rx A-MPDU factor to | |
1430 | * zero in VHT IE. Using it would result in degraded throughput. | |
1431 | * arg->peer_max_mpdu at this point contains HT max_mpdu so keep | |
1432 | * it if VHT max_mpdu is smaller. */ | |
1433 | arg->peer_max_mpdu = max(arg->peer_max_mpdu, | |
1434 | (1U << (IEEE80211_HT_MAX_AMPDU_FACTOR + | |
1435 | ampdu_factor)) - 1); | |
1436 | ||
5e3dd157 KV |
1437 | if (sta->bandwidth == IEEE80211_STA_RX_BW_80) |
1438 | arg->peer_flags |= WMI_PEER_80MHZ; | |
1439 | ||
1440 | arg->peer_vht_rates.rx_max_rate = | |
1441 | __le16_to_cpu(vht_cap->vht_mcs.rx_highest); | |
1442 | arg->peer_vht_rates.rx_mcs_set = | |
1443 | __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map); | |
1444 | arg->peer_vht_rates.tx_max_rate = | |
1445 | __le16_to_cpu(vht_cap->vht_mcs.tx_highest); | |
1446 | arg->peer_vht_rates.tx_mcs_set = | |
1447 | __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map); | |
1448 | ||
7aa7a72a | 1449 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vht peer %pM max_mpdu %d flags 0x%x\n", |
60c3daa8 | 1450 | sta->addr, arg->peer_max_mpdu, arg->peer_flags); |
5e3dd157 KV |
1451 | } |
1452 | ||
1453 | static void ath10k_peer_assoc_h_qos(struct ath10k *ar, | |
590922a8 | 1454 | struct ieee80211_vif *vif, |
5e3dd157 | 1455 | struct ieee80211_sta *sta, |
5e3dd157 KV |
1456 | struct wmi_peer_assoc_complete_arg *arg) |
1457 | { | |
590922a8 MK |
1458 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
1459 | ||
5e3dd157 KV |
1460 | switch (arvif->vdev_type) { |
1461 | case WMI_VDEV_TYPE_AP: | |
d3d3ff42 JD |
1462 | if (sta->wme) |
1463 | arg->peer_flags |= WMI_PEER_QOS; | |
1464 | ||
1465 | if (sta->wme && sta->uapsd_queues) { | |
1466 | arg->peer_flags |= WMI_PEER_APSD; | |
1467 | arg->peer_rate_caps |= WMI_RC_UAPSD_FLAG; | |
1468 | } | |
5e3dd157 KV |
1469 | break; |
1470 | case WMI_VDEV_TYPE_STA: | |
590922a8 | 1471 | if (vif->bss_conf.qos) |
d3d3ff42 | 1472 | arg->peer_flags |= WMI_PEER_QOS; |
5e3dd157 KV |
1473 | break; |
1474 | default: | |
1475 | break; | |
1476 | } | |
1477 | } | |
1478 | ||
91b12089 MK |
1479 | static bool ath10k_mac_sta_has_11g_rates(struct ieee80211_sta *sta) |
1480 | { | |
1481 | /* First 4 rates in ath10k_rates are CCK (11b) rates. */ | |
1482 | return sta->supp_rates[IEEE80211_BAND_2GHZ] >> 4; | |
1483 | } | |
1484 | ||
5e3dd157 | 1485 | static void ath10k_peer_assoc_h_phymode(struct ath10k *ar, |
590922a8 | 1486 | struct ieee80211_vif *vif, |
5e3dd157 KV |
1487 | struct ieee80211_sta *sta, |
1488 | struct wmi_peer_assoc_complete_arg *arg) | |
1489 | { | |
1490 | enum wmi_phy_mode phymode = MODE_UNKNOWN; | |
1491 | ||
5e3dd157 KV |
1492 | switch (ar->hw->conf.chandef.chan->band) { |
1493 | case IEEE80211_BAND_2GHZ: | |
1494 | if (sta->ht_cap.ht_supported) { | |
1495 | if (sta->bandwidth == IEEE80211_STA_RX_BW_40) | |
1496 | phymode = MODE_11NG_HT40; | |
1497 | else | |
1498 | phymode = MODE_11NG_HT20; | |
91b12089 | 1499 | } else if (ath10k_mac_sta_has_11g_rates(sta)) { |
5e3dd157 | 1500 | phymode = MODE_11G; |
91b12089 MK |
1501 | } else { |
1502 | phymode = MODE_11B; | |
5e3dd157 KV |
1503 | } |
1504 | ||
1505 | break; | |
1506 | case IEEE80211_BAND_5GHZ: | |
7cc45e98 SM |
1507 | /* |
1508 | * Check VHT first. | |
1509 | */ | |
1510 | if (sta->vht_cap.vht_supported) { | |
1511 | if (sta->bandwidth == IEEE80211_STA_RX_BW_80) | |
1512 | phymode = MODE_11AC_VHT80; | |
1513 | else if (sta->bandwidth == IEEE80211_STA_RX_BW_40) | |
1514 | phymode = MODE_11AC_VHT40; | |
1515 | else if (sta->bandwidth == IEEE80211_STA_RX_BW_20) | |
1516 | phymode = MODE_11AC_VHT20; | |
1517 | } else if (sta->ht_cap.ht_supported) { | |
5e3dd157 KV |
1518 | if (sta->bandwidth == IEEE80211_STA_RX_BW_40) |
1519 | phymode = MODE_11NA_HT40; | |
1520 | else | |
1521 | phymode = MODE_11NA_HT20; | |
1522 | } else { | |
1523 | phymode = MODE_11A; | |
1524 | } | |
1525 | ||
1526 | break; | |
1527 | default: | |
1528 | break; | |
1529 | } | |
1530 | ||
7aa7a72a | 1531 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM phymode %s\n", |
38a1d47e | 1532 | sta->addr, ath10k_wmi_phymode_str(phymode)); |
60c3daa8 | 1533 | |
5e3dd157 KV |
1534 | arg->peer_phymode = phymode; |
1535 | WARN_ON(phymode == MODE_UNKNOWN); | |
1536 | } | |
1537 | ||
b9ada65d | 1538 | static int ath10k_peer_assoc_prepare(struct ath10k *ar, |
590922a8 | 1539 | struct ieee80211_vif *vif, |
b9ada65d | 1540 | struct ieee80211_sta *sta, |
b9ada65d | 1541 | struct wmi_peer_assoc_complete_arg *arg) |
5e3dd157 | 1542 | { |
548db54c MK |
1543 | lockdep_assert_held(&ar->conf_mutex); |
1544 | ||
b9ada65d | 1545 | memset(arg, 0, sizeof(*arg)); |
5e3dd157 | 1546 | |
590922a8 MK |
1547 | ath10k_peer_assoc_h_basic(ar, vif, sta, arg); |
1548 | ath10k_peer_assoc_h_crypto(ar, vif, arg); | |
b9ada65d KV |
1549 | ath10k_peer_assoc_h_rates(ar, sta, arg); |
1550 | ath10k_peer_assoc_h_ht(ar, sta, arg); | |
1551 | ath10k_peer_assoc_h_vht(ar, sta, arg); | |
590922a8 MK |
1552 | ath10k_peer_assoc_h_qos(ar, vif, sta, arg); |
1553 | ath10k_peer_assoc_h_phymode(ar, vif, sta, arg); | |
5e3dd157 | 1554 | |
b9ada65d | 1555 | return 0; |
5e3dd157 KV |
1556 | } |
1557 | ||
90046f50 MK |
1558 | static const u32 ath10k_smps_map[] = { |
1559 | [WLAN_HT_CAP_SM_PS_STATIC] = WMI_PEER_SMPS_STATIC, | |
1560 | [WLAN_HT_CAP_SM_PS_DYNAMIC] = WMI_PEER_SMPS_DYNAMIC, | |
1561 | [WLAN_HT_CAP_SM_PS_INVALID] = WMI_PEER_SMPS_PS_NONE, | |
1562 | [WLAN_HT_CAP_SM_PS_DISABLED] = WMI_PEER_SMPS_PS_NONE, | |
1563 | }; | |
1564 | ||
1565 | static int ath10k_setup_peer_smps(struct ath10k *ar, struct ath10k_vif *arvif, | |
1566 | const u8 *addr, | |
1567 | const struct ieee80211_sta_ht_cap *ht_cap) | |
1568 | { | |
1569 | int smps; | |
1570 | ||
1571 | if (!ht_cap->ht_supported) | |
1572 | return 0; | |
1573 | ||
1574 | smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS; | |
1575 | smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT; | |
1576 | ||
1577 | if (smps >= ARRAY_SIZE(ath10k_smps_map)) | |
1578 | return -EINVAL; | |
1579 | ||
1580 | return ath10k_wmi_peer_set_param(ar, arvif->vdev_id, addr, | |
1581 | WMI_PEER_SMPS_STATE, | |
1582 | ath10k_smps_map[smps]); | |
1583 | } | |
1584 | ||
5e3dd157 KV |
1585 | /* can be called only in mac80211 callbacks due to `key_count` usage */ |
1586 | static void ath10k_bss_assoc(struct ieee80211_hw *hw, | |
1587 | struct ieee80211_vif *vif, | |
1588 | struct ieee80211_bss_conf *bss_conf) | |
1589 | { | |
1590 | struct ath10k *ar = hw->priv; | |
1591 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
90046f50 | 1592 | struct ieee80211_sta_ht_cap ht_cap; |
b9ada65d | 1593 | struct wmi_peer_assoc_complete_arg peer_arg; |
5e3dd157 KV |
1594 | struct ieee80211_sta *ap_sta; |
1595 | int ret; | |
1596 | ||
548db54c MK |
1597 | lockdep_assert_held(&ar->conf_mutex); |
1598 | ||
077efc8c MK |
1599 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i assoc bssid %pM aid %d\n", |
1600 | arvif->vdev_id, arvif->bssid, arvif->aid); | |
1601 | ||
5e3dd157 KV |
1602 | rcu_read_lock(); |
1603 | ||
1604 | ap_sta = ieee80211_find_sta(vif, bss_conf->bssid); | |
1605 | if (!ap_sta) { | |
7aa7a72a | 1606 | ath10k_warn(ar, "failed to find station entry for bss %pM vdev %i\n", |
69244e56 | 1607 | bss_conf->bssid, arvif->vdev_id); |
5e3dd157 KV |
1608 | rcu_read_unlock(); |
1609 | return; | |
1610 | } | |
1611 | ||
90046f50 MK |
1612 | /* ap_sta must be accessed only within rcu section which must be left |
1613 | * before calling ath10k_setup_peer_smps() which might sleep. */ | |
1614 | ht_cap = ap_sta->ht_cap; | |
1615 | ||
590922a8 | 1616 | ret = ath10k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg); |
5e3dd157 | 1617 | if (ret) { |
7aa7a72a | 1618 | ath10k_warn(ar, "failed to prepare peer assoc for %pM vdev %i: %d\n", |
69244e56 | 1619 | bss_conf->bssid, arvif->vdev_id, ret); |
5e3dd157 KV |
1620 | rcu_read_unlock(); |
1621 | return; | |
1622 | } | |
1623 | ||
1624 | rcu_read_unlock(); | |
1625 | ||
b9ada65d KV |
1626 | ret = ath10k_wmi_peer_assoc(ar, &peer_arg); |
1627 | if (ret) { | |
7aa7a72a | 1628 | ath10k_warn(ar, "failed to run peer assoc for %pM vdev %i: %d\n", |
69244e56 | 1629 | bss_conf->bssid, arvif->vdev_id, ret); |
b9ada65d KV |
1630 | return; |
1631 | } | |
1632 | ||
90046f50 MK |
1633 | ret = ath10k_setup_peer_smps(ar, arvif, bss_conf->bssid, &ht_cap); |
1634 | if (ret) { | |
7aa7a72a | 1635 | ath10k_warn(ar, "failed to setup peer SMPS for vdev %i: %d\n", |
69244e56 | 1636 | arvif->vdev_id, ret); |
90046f50 MK |
1637 | return; |
1638 | } | |
1639 | ||
7aa7a72a | 1640 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
1641 | "mac vdev %d up (associated) bssid %pM aid %d\n", |
1642 | arvif->vdev_id, bss_conf->bssid, bss_conf->aid); | |
1643 | ||
077efc8c MK |
1644 | WARN_ON(arvif->is_up); |
1645 | ||
c930f744 | 1646 | arvif->aid = bss_conf->aid; |
b25f32cb | 1647 | ether_addr_copy(arvif->bssid, bss_conf->bssid); |
c930f744 MK |
1648 | |
1649 | ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid); | |
1650 | if (ret) { | |
7aa7a72a | 1651 | ath10k_warn(ar, "failed to set vdev %d up: %d\n", |
5e3dd157 | 1652 | arvif->vdev_id, ret); |
c930f744 MK |
1653 | return; |
1654 | } | |
1655 | ||
1656 | arvif->is_up = true; | |
5e3dd157 KV |
1657 | } |
1658 | ||
5e3dd157 KV |
1659 | static void ath10k_bss_disassoc(struct ieee80211_hw *hw, |
1660 | struct ieee80211_vif *vif) | |
1661 | { | |
1662 | struct ath10k *ar = hw->priv; | |
1663 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
1664 | int ret; | |
1665 | ||
548db54c MK |
1666 | lockdep_assert_held(&ar->conf_mutex); |
1667 | ||
077efc8c MK |
1668 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i disassoc bssid %pM\n", |
1669 | arvif->vdev_id, arvif->bssid); | |
60c3daa8 | 1670 | |
5e3dd157 | 1671 | ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); |
077efc8c MK |
1672 | if (ret) |
1673 | ath10k_warn(ar, "faield to down vdev %i: %d\n", | |
1674 | arvif->vdev_id, ret); | |
5e3dd157 | 1675 | |
cc4827b9 | 1676 | arvif->def_wep_key_idx = 0; |
c930f744 | 1677 | arvif->is_up = false; |
5e3dd157 KV |
1678 | } |
1679 | ||
590922a8 MK |
1680 | static int ath10k_station_assoc(struct ath10k *ar, |
1681 | struct ieee80211_vif *vif, | |
1682 | struct ieee80211_sta *sta, | |
1683 | bool reassoc) | |
5e3dd157 | 1684 | { |
590922a8 | 1685 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
b9ada65d | 1686 | struct wmi_peer_assoc_complete_arg peer_arg; |
5e3dd157 KV |
1687 | int ret = 0; |
1688 | ||
548db54c MK |
1689 | lockdep_assert_held(&ar->conf_mutex); |
1690 | ||
590922a8 | 1691 | ret = ath10k_peer_assoc_prepare(ar, vif, sta, &peer_arg); |
b9ada65d | 1692 | if (ret) { |
7aa7a72a | 1693 | ath10k_warn(ar, "failed to prepare WMI peer assoc for %pM vdev %i: %i\n", |
69244e56 | 1694 | sta->addr, arvif->vdev_id, ret); |
b9ada65d KV |
1695 | return ret; |
1696 | } | |
1697 | ||
44d6fa90 | 1698 | peer_arg.peer_reassoc = reassoc; |
b9ada65d | 1699 | ret = ath10k_wmi_peer_assoc(ar, &peer_arg); |
5e3dd157 | 1700 | if (ret) { |
7aa7a72a | 1701 | ath10k_warn(ar, "failed to run peer assoc for STA %pM vdev %i: %d\n", |
69244e56 | 1702 | sta->addr, arvif->vdev_id, ret); |
5e3dd157 KV |
1703 | return ret; |
1704 | } | |
1705 | ||
b1ecde36 MK |
1706 | /* Re-assoc is run only to update supported rates for given station. It |
1707 | * doesn't make much sense to reconfigure the peer completely. | |
1708 | */ | |
1709 | if (!reassoc) { | |
1710 | ret = ath10k_setup_peer_smps(ar, arvif, sta->addr, | |
1711 | &sta->ht_cap); | |
e81bd104 | 1712 | if (ret) { |
b1ecde36 | 1713 | ath10k_warn(ar, "failed to setup peer SMPS for vdev %d: %d\n", |
e81bd104 MK |
1714 | arvif->vdev_id, ret); |
1715 | return ret; | |
1716 | } | |
e81bd104 | 1717 | |
b1ecde36 MK |
1718 | ret = ath10k_peer_assoc_qos_ap(ar, arvif, sta); |
1719 | if (ret) { | |
1720 | ath10k_warn(ar, "failed to set qos params for STA %pM for vdev %i: %d\n", | |
1721 | sta->addr, arvif->vdev_id, ret); | |
1722 | return ret; | |
1723 | } | |
5e3dd157 | 1724 | |
b1ecde36 MK |
1725 | if (!sta->wme) { |
1726 | arvif->num_legacy_stations++; | |
1727 | ret = ath10k_recalc_rtscts_prot(arvif); | |
1728 | if (ret) { | |
1729 | ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n", | |
1730 | arvif->vdev_id, ret); | |
1731 | return ret; | |
1732 | } | |
1733 | } | |
1734 | ||
1735 | ret = ath10k_install_peer_wep_keys(arvif, sta->addr); | |
1736 | if (ret) { | |
1737 | ath10k_warn(ar, "failed to install peer wep keys for vdev %i: %d\n", | |
1738 | arvif->vdev_id, ret); | |
1739 | return ret; | |
1740 | } | |
d3d3ff42 JD |
1741 | } |
1742 | ||
5e3dd157 KV |
1743 | return ret; |
1744 | } | |
1745 | ||
590922a8 MK |
1746 | static int ath10k_station_disassoc(struct ath10k *ar, |
1747 | struct ieee80211_vif *vif, | |
5e3dd157 KV |
1748 | struct ieee80211_sta *sta) |
1749 | { | |
590922a8 | 1750 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
5e3dd157 KV |
1751 | int ret = 0; |
1752 | ||
548db54c MK |
1753 | lockdep_assert_held(&ar->conf_mutex); |
1754 | ||
e81bd104 MK |
1755 | if (!sta->wme) { |
1756 | arvif->num_legacy_stations--; | |
1757 | ret = ath10k_recalc_rtscts_prot(arvif); | |
1758 | if (ret) { | |
7aa7a72a | 1759 | ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n", |
e81bd104 MK |
1760 | arvif->vdev_id, ret); |
1761 | return ret; | |
1762 | } | |
1763 | } | |
1764 | ||
5e3dd157 KV |
1765 | ret = ath10k_clear_peer_keys(arvif, sta->addr); |
1766 | if (ret) { | |
7aa7a72a | 1767 | ath10k_warn(ar, "failed to clear all peer wep keys for vdev %i: %d\n", |
69244e56 | 1768 | arvif->vdev_id, ret); |
5e3dd157 KV |
1769 | return ret; |
1770 | } | |
1771 | ||
1772 | return ret; | |
1773 | } | |
1774 | ||
1775 | /**************/ | |
1776 | /* Regulatory */ | |
1777 | /**************/ | |
1778 | ||
1779 | static int ath10k_update_channel_list(struct ath10k *ar) | |
1780 | { | |
1781 | struct ieee80211_hw *hw = ar->hw; | |
1782 | struct ieee80211_supported_band **bands; | |
1783 | enum ieee80211_band band; | |
1784 | struct ieee80211_channel *channel; | |
1785 | struct wmi_scan_chan_list_arg arg = {0}; | |
1786 | struct wmi_channel_arg *ch; | |
1787 | bool passive; | |
1788 | int len; | |
1789 | int ret; | |
1790 | int i; | |
1791 | ||
548db54c MK |
1792 | lockdep_assert_held(&ar->conf_mutex); |
1793 | ||
5e3dd157 KV |
1794 | bands = hw->wiphy->bands; |
1795 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
1796 | if (!bands[band]) | |
1797 | continue; | |
1798 | ||
1799 | for (i = 0; i < bands[band]->n_channels; i++) { | |
1800 | if (bands[band]->channels[i].flags & | |
1801 | IEEE80211_CHAN_DISABLED) | |
1802 | continue; | |
1803 | ||
1804 | arg.n_channels++; | |
1805 | } | |
1806 | } | |
1807 | ||
1808 | len = sizeof(struct wmi_channel_arg) * arg.n_channels; | |
1809 | arg.channels = kzalloc(len, GFP_KERNEL); | |
1810 | if (!arg.channels) | |
1811 | return -ENOMEM; | |
1812 | ||
1813 | ch = arg.channels; | |
1814 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
1815 | if (!bands[band]) | |
1816 | continue; | |
1817 | ||
1818 | for (i = 0; i < bands[band]->n_channels; i++) { | |
1819 | channel = &bands[band]->channels[i]; | |
1820 | ||
1821 | if (channel->flags & IEEE80211_CHAN_DISABLED) | |
1822 | continue; | |
1823 | ||
1824 | ch->allow_ht = true; | |
1825 | ||
1826 | /* FIXME: when should we really allow VHT? */ | |
1827 | ch->allow_vht = true; | |
1828 | ||
1829 | ch->allow_ibss = | |
8fe02e16 | 1830 | !(channel->flags & IEEE80211_CHAN_NO_IR); |
5e3dd157 KV |
1831 | |
1832 | ch->ht40plus = | |
1833 | !(channel->flags & IEEE80211_CHAN_NO_HT40PLUS); | |
1834 | ||
e8a50f8b MP |
1835 | ch->chan_radar = |
1836 | !!(channel->flags & IEEE80211_CHAN_RADAR); | |
1837 | ||
8fe02e16 | 1838 | passive = channel->flags & IEEE80211_CHAN_NO_IR; |
5e3dd157 KV |
1839 | ch->passive = passive; |
1840 | ||
1841 | ch->freq = channel->center_freq; | |
2d66721c | 1842 | ch->band_center_freq1 = channel->center_freq; |
89c5c843 | 1843 | ch->min_power = 0; |
02256930 MK |
1844 | ch->max_power = channel->max_power * 2; |
1845 | ch->max_reg_power = channel->max_reg_power * 2; | |
1846 | ch->max_antenna_gain = channel->max_antenna_gain * 2; | |
5e3dd157 KV |
1847 | ch->reg_class_id = 0; /* FIXME */ |
1848 | ||
1849 | /* FIXME: why use only legacy modes, why not any | |
1850 | * HT/VHT modes? Would that even make any | |
1851 | * difference? */ | |
1852 | if (channel->band == IEEE80211_BAND_2GHZ) | |
1853 | ch->mode = MODE_11G; | |
1854 | else | |
1855 | ch->mode = MODE_11A; | |
1856 | ||
1857 | if (WARN_ON_ONCE(ch->mode == MODE_UNKNOWN)) | |
1858 | continue; | |
1859 | ||
7aa7a72a | 1860 | ath10k_dbg(ar, ATH10K_DBG_WMI, |
60c3daa8 KV |
1861 | "mac channel [%zd/%d] freq %d maxpower %d regpower %d antenna %d mode %d\n", |
1862 | ch - arg.channels, arg.n_channels, | |
5e3dd157 KV |
1863 | ch->freq, ch->max_power, ch->max_reg_power, |
1864 | ch->max_antenna_gain, ch->mode); | |
1865 | ||
1866 | ch++; | |
1867 | } | |
1868 | } | |
1869 | ||
1870 | ret = ath10k_wmi_scan_chan_list(ar, &arg); | |
1871 | kfree(arg.channels); | |
1872 | ||
1873 | return ret; | |
1874 | } | |
1875 | ||
821af6ae MP |
1876 | static enum wmi_dfs_region |
1877 | ath10k_mac_get_dfs_region(enum nl80211_dfs_regions dfs_region) | |
1878 | { | |
1879 | switch (dfs_region) { | |
1880 | case NL80211_DFS_UNSET: | |
1881 | return WMI_UNINIT_DFS_DOMAIN; | |
1882 | case NL80211_DFS_FCC: | |
1883 | return WMI_FCC_DFS_DOMAIN; | |
1884 | case NL80211_DFS_ETSI: | |
1885 | return WMI_ETSI_DFS_DOMAIN; | |
1886 | case NL80211_DFS_JP: | |
1887 | return WMI_MKK4_DFS_DOMAIN; | |
1888 | } | |
1889 | return WMI_UNINIT_DFS_DOMAIN; | |
1890 | } | |
1891 | ||
f7843d7f | 1892 | static void ath10k_regd_update(struct ath10k *ar) |
5e3dd157 | 1893 | { |
5e3dd157 | 1894 | struct reg_dmn_pair_mapping *regpair; |
5e3dd157 | 1895 | int ret; |
821af6ae MP |
1896 | enum wmi_dfs_region wmi_dfs_reg; |
1897 | enum nl80211_dfs_regions nl_dfs_reg; | |
5e3dd157 | 1898 | |
f7843d7f | 1899 | lockdep_assert_held(&ar->conf_mutex); |
5e3dd157 KV |
1900 | |
1901 | ret = ath10k_update_channel_list(ar); | |
1902 | if (ret) | |
7aa7a72a | 1903 | ath10k_warn(ar, "failed to update channel list: %d\n", ret); |
5e3dd157 KV |
1904 | |
1905 | regpair = ar->ath_common.regulatory.regpair; | |
f7843d7f | 1906 | |
821af6ae MP |
1907 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) { |
1908 | nl_dfs_reg = ar->dfs_detector->region; | |
1909 | wmi_dfs_reg = ath10k_mac_get_dfs_region(nl_dfs_reg); | |
1910 | } else { | |
1911 | wmi_dfs_reg = WMI_UNINIT_DFS_DOMAIN; | |
1912 | } | |
1913 | ||
5e3dd157 KV |
1914 | /* Target allows setting up per-band regdomain but ath_common provides |
1915 | * a combined one only */ | |
1916 | ret = ath10k_wmi_pdev_set_regdomain(ar, | |
ef8c0017 KV |
1917 | regpair->reg_domain, |
1918 | regpair->reg_domain, /* 2ghz */ | |
1919 | regpair->reg_domain, /* 5ghz */ | |
5e3dd157 | 1920 | regpair->reg_2ghz_ctl, |
821af6ae MP |
1921 | regpair->reg_5ghz_ctl, |
1922 | wmi_dfs_reg); | |
5e3dd157 | 1923 | if (ret) |
7aa7a72a | 1924 | ath10k_warn(ar, "failed to set pdev regdomain: %d\n", ret); |
f7843d7f | 1925 | } |
548db54c | 1926 | |
f7843d7f MK |
1927 | static void ath10k_reg_notifier(struct wiphy *wiphy, |
1928 | struct regulatory_request *request) | |
1929 | { | |
1930 | struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); | |
1931 | struct ath10k *ar = hw->priv; | |
9702c686 | 1932 | bool result; |
f7843d7f MK |
1933 | |
1934 | ath_reg_notifier_apply(wiphy, request, &ar->ath_common.regulatory); | |
1935 | ||
9702c686 | 1936 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) { |
7aa7a72a | 1937 | ath10k_dbg(ar, ATH10K_DBG_REGULATORY, "dfs region 0x%x\n", |
9702c686 JD |
1938 | request->dfs_region); |
1939 | result = ar->dfs_detector->set_dfs_domain(ar->dfs_detector, | |
1940 | request->dfs_region); | |
1941 | if (!result) | |
7aa7a72a | 1942 | ath10k_warn(ar, "DFS region 0x%X not supported, will trigger radar for every pulse\n", |
9702c686 JD |
1943 | request->dfs_region); |
1944 | } | |
1945 | ||
f7843d7f MK |
1946 | mutex_lock(&ar->conf_mutex); |
1947 | if (ar->state == ATH10K_STATE_ON) | |
1948 | ath10k_regd_update(ar); | |
548db54c | 1949 | mutex_unlock(&ar->conf_mutex); |
5e3dd157 KV |
1950 | } |
1951 | ||
1952 | /***************/ | |
1953 | /* TX handlers */ | |
1954 | /***************/ | |
1955 | ||
42c3aa6f MK |
1956 | static u8 ath10k_tx_h_get_tid(struct ieee80211_hdr *hdr) |
1957 | { | |
1958 | if (ieee80211_is_mgmt(hdr->frame_control)) | |
1959 | return HTT_DATA_TX_EXT_TID_MGMT; | |
1960 | ||
1961 | if (!ieee80211_is_data_qos(hdr->frame_control)) | |
1962 | return HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST; | |
1963 | ||
1964 | if (!is_unicast_ether_addr(ieee80211_get_DA(hdr))) | |
1965 | return HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST; | |
1966 | ||
1967 | return ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK; | |
1968 | } | |
1969 | ||
2b37c295 | 1970 | static u8 ath10k_tx_h_get_vdev_id(struct ath10k *ar, struct ieee80211_vif *vif) |
ddb6ad77 | 1971 | { |
2b37c295 MK |
1972 | if (vif) |
1973 | return ath10k_vif_to_arvif(vif)->vdev_id; | |
ddb6ad77 | 1974 | |
1bbc0975 | 1975 | if (ar->monitor_started) |
ddb6ad77 MK |
1976 | return ar->monitor_vdev_id; |
1977 | ||
7aa7a72a | 1978 | ath10k_warn(ar, "failed to resolve vdev id\n"); |
ddb6ad77 MK |
1979 | return 0; |
1980 | } | |
1981 | ||
4b604558 MK |
1982 | /* HTT Tx uses Native Wifi tx mode which expects 802.11 frames without QoS |
1983 | * Control in the header. | |
5e3dd157 | 1984 | */ |
4b604558 | 1985 | static void ath10k_tx_h_nwifi(struct ieee80211_hw *hw, struct sk_buff *skb) |
5e3dd157 KV |
1986 | { |
1987 | struct ieee80211_hdr *hdr = (void *)skb->data; | |
c21c64d1 | 1988 | struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb); |
5e3dd157 KV |
1989 | u8 *qos_ctl; |
1990 | ||
1991 | if (!ieee80211_is_data_qos(hdr->frame_control)) | |
1992 | return; | |
1993 | ||
1994 | qos_ctl = ieee80211_get_qos_ctl(hdr); | |
ba0ccd7a MK |
1995 | memmove(skb->data + IEEE80211_QOS_CTL_LEN, |
1996 | skb->data, (void *)qos_ctl - (void *)skb->data); | |
1997 | skb_pull(skb, IEEE80211_QOS_CTL_LEN); | |
c21c64d1 MK |
1998 | |
1999 | /* Fw/Hw generates a corrupted QoS Control Field for QoS NullFunc | |
2000 | * frames. Powersave is handled by the fw/hw so QoS NyllFunc frames are | |
2001 | * used only for CQM purposes (e.g. hostapd station keepalive ping) so | |
2002 | * it is safe to downgrade to NullFunc. | |
2003 | */ | |
2004 | if (ieee80211_is_qos_nullfunc(hdr->frame_control)) { | |
2005 | hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA); | |
2006 | cb->htt.tid = HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST; | |
2007 | } | |
5e3dd157 KV |
2008 | } |
2009 | ||
cc4827b9 MK |
2010 | static void ath10k_tx_wep_key_work(struct work_struct *work) |
2011 | { | |
2012 | struct ath10k_vif *arvif = container_of(work, struct ath10k_vif, | |
2013 | wep_key_work); | |
7aa7a72a | 2014 | struct ath10k *ar = arvif->ar; |
cc4827b9 MK |
2015 | int ret, keyidx = arvif->def_wep_key_newidx; |
2016 | ||
911e6c0d MK |
2017 | mutex_lock(&arvif->ar->conf_mutex); |
2018 | ||
2019 | if (arvif->ar->state != ATH10K_STATE_ON) | |
2020 | goto unlock; | |
2021 | ||
cc4827b9 | 2022 | if (arvif->def_wep_key_idx == keyidx) |
911e6c0d | 2023 | goto unlock; |
cc4827b9 | 2024 | |
7aa7a72a | 2025 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d set keyidx %d\n", |
cc4827b9 MK |
2026 | arvif->vdev_id, keyidx); |
2027 | ||
2028 | ret = ath10k_wmi_vdev_set_param(arvif->ar, | |
2029 | arvif->vdev_id, | |
2030 | arvif->ar->wmi.vdev_param->def_keyid, | |
2031 | keyidx); | |
2032 | if (ret) { | |
7aa7a72a | 2033 | ath10k_warn(ar, "failed to update wep key index for vdev %d: %d\n", |
be6546fc KV |
2034 | arvif->vdev_id, |
2035 | ret); | |
911e6c0d | 2036 | goto unlock; |
cc4827b9 MK |
2037 | } |
2038 | ||
2039 | arvif->def_wep_key_idx = keyidx; | |
911e6c0d MK |
2040 | |
2041 | unlock: | |
2042 | mutex_unlock(&arvif->ar->conf_mutex); | |
cc4827b9 MK |
2043 | } |
2044 | ||
4b604558 MK |
2045 | static void ath10k_tx_h_update_wep_key(struct ieee80211_vif *vif, |
2046 | struct ieee80211_key_conf *key, | |
2047 | struct sk_buff *skb) | |
5e3dd157 | 2048 | { |
5e3dd157 KV |
2049 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
2050 | struct ath10k *ar = arvif->ar; | |
2051 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; | |
5e3dd157 | 2052 | |
5e3dd157 KV |
2053 | if (!ieee80211_has_protected(hdr->frame_control)) |
2054 | return; | |
2055 | ||
2056 | if (!key) | |
2057 | return; | |
2058 | ||
2059 | if (key->cipher != WLAN_CIPHER_SUITE_WEP40 && | |
2060 | key->cipher != WLAN_CIPHER_SUITE_WEP104) | |
2061 | return; | |
2062 | ||
cc4827b9 | 2063 | if (key->keyidx == arvif->def_wep_key_idx) |
5e3dd157 | 2064 | return; |
5e3dd157 | 2065 | |
cc4827b9 MK |
2066 | /* FIXME: Most likely a few frames will be TXed with an old key. Simply |
2067 | * queueing frames until key index is updated is not an option because | |
2068 | * sk_buff may need more processing to be done, e.g. offchannel */ | |
2069 | arvif->def_wep_key_newidx = key->keyidx; | |
2070 | ieee80211_queue_work(ar->hw, &arvif->wep_key_work); | |
5e3dd157 KV |
2071 | } |
2072 | ||
4b604558 MK |
2073 | static void ath10k_tx_h_add_p2p_noa_ie(struct ath10k *ar, |
2074 | struct ieee80211_vif *vif, | |
2075 | struct sk_buff *skb) | |
5e3dd157 KV |
2076 | { |
2077 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; | |
5e3dd157 KV |
2078 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
2079 | ||
2080 | /* This is case only for P2P_GO */ | |
2081 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP || | |
2082 | arvif->vdev_subtype != WMI_VDEV_SUBTYPE_P2P_GO) | |
2083 | return; | |
2084 | ||
2085 | if (unlikely(ieee80211_is_probe_resp(hdr->frame_control))) { | |
2086 | spin_lock_bh(&ar->data_lock); | |
2087 | if (arvif->u.ap.noa_data) | |
2088 | if (!pskb_expand_head(skb, 0, arvif->u.ap.noa_len, | |
2089 | GFP_ATOMIC)) | |
2090 | memcpy(skb_put(skb, arvif->u.ap.noa_len), | |
2091 | arvif->u.ap.noa_data, | |
2092 | arvif->u.ap.noa_len); | |
2093 | spin_unlock_bh(&ar->data_lock); | |
2094 | } | |
2095 | } | |
2096 | ||
8d6d3624 MK |
2097 | static bool ath10k_mac_need_offchan_tx_work(struct ath10k *ar) |
2098 | { | |
2099 | /* FIXME: Not really sure since when the behaviour changed. At some | |
2100 | * point new firmware stopped requiring creation of peer entries for | |
2101 | * offchannel tx (and actually creating them causes issues with wmi-htc | |
2102 | * tx credit replenishment and reliability). Assuming it's at least 3.4 | |
2103 | * because that's when the `freq` was introduced to TX_FRM HTT command. | |
2104 | */ | |
2105 | return !(ar->htt.target_version_major >= 3 && | |
2106 | ar->htt.target_version_minor >= 4); | |
2107 | } | |
2108 | ||
5e3dd157 KV |
2109 | static void ath10k_tx_htt(struct ath10k *ar, struct sk_buff *skb) |
2110 | { | |
2111 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; | |
5e00d31a | 2112 | int ret = 0; |
5e3dd157 | 2113 | |
961d4c38 MK |
2114 | if (ar->htt.target_version_major >= 3) { |
2115 | /* Since HTT 3.0 there is no separate mgmt tx command */ | |
2116 | ret = ath10k_htt_tx(&ar->htt, skb); | |
2117 | goto exit; | |
2118 | } | |
2119 | ||
5e00d31a BM |
2120 | if (ieee80211_is_mgmt(hdr->frame_control)) { |
2121 | if (test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX, | |
2122 | ar->fw_features)) { | |
2123 | if (skb_queue_len(&ar->wmi_mgmt_tx_queue) >= | |
2124 | ATH10K_MAX_NUM_MGMT_PENDING) { | |
7aa7a72a | 2125 | ath10k_warn(ar, "reached WMI management transmit queue limit\n"); |
5e00d31a BM |
2126 | ret = -EBUSY; |
2127 | goto exit; | |
2128 | } | |
2129 | ||
2130 | skb_queue_tail(&ar->wmi_mgmt_tx_queue, skb); | |
2131 | ieee80211_queue_work(ar->hw, &ar->wmi_mgmt_tx_work); | |
2132 | } else { | |
2133 | ret = ath10k_htt_mgmt_tx(&ar->htt, skb); | |
2134 | } | |
2135 | } else if (!test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX, | |
2136 | ar->fw_features) && | |
2137 | ieee80211_is_nullfunc(hdr->frame_control)) { | |
5e3dd157 KV |
2138 | /* FW does not report tx status properly for NullFunc frames |
2139 | * unless they are sent through mgmt tx path. mac80211 sends | |
5e00d31a BM |
2140 | * those frames when it detects link/beacon loss and depends |
2141 | * on the tx status to be correct. */ | |
edb8236d | 2142 | ret = ath10k_htt_mgmt_tx(&ar->htt, skb); |
5e00d31a | 2143 | } else { |
edb8236d | 2144 | ret = ath10k_htt_tx(&ar->htt, skb); |
5e00d31a | 2145 | } |
5e3dd157 | 2146 | |
961d4c38 | 2147 | exit: |
5e3dd157 | 2148 | if (ret) { |
7aa7a72a MK |
2149 | ath10k_warn(ar, "failed to transmit packet, dropping: %d\n", |
2150 | ret); | |
5e3dd157 KV |
2151 | ieee80211_free_txskb(ar->hw, skb); |
2152 | } | |
2153 | } | |
2154 | ||
2155 | void ath10k_offchan_tx_purge(struct ath10k *ar) | |
2156 | { | |
2157 | struct sk_buff *skb; | |
2158 | ||
2159 | for (;;) { | |
2160 | skb = skb_dequeue(&ar->offchan_tx_queue); | |
2161 | if (!skb) | |
2162 | break; | |
2163 | ||
2164 | ieee80211_free_txskb(ar->hw, skb); | |
2165 | } | |
2166 | } | |
2167 | ||
2168 | void ath10k_offchan_tx_work(struct work_struct *work) | |
2169 | { | |
2170 | struct ath10k *ar = container_of(work, struct ath10k, offchan_tx_work); | |
2171 | struct ath10k_peer *peer; | |
2172 | struct ieee80211_hdr *hdr; | |
2173 | struct sk_buff *skb; | |
2174 | const u8 *peer_addr; | |
2175 | int vdev_id; | |
2176 | int ret; | |
2177 | ||
2178 | /* FW requirement: We must create a peer before FW will send out | |
2179 | * an offchannel frame. Otherwise the frame will be stuck and | |
2180 | * never transmitted. We delete the peer upon tx completion. | |
2181 | * It is unlikely that a peer for offchannel tx will already be | |
2182 | * present. However it may be in some rare cases so account for that. | |
2183 | * Otherwise we might remove a legitimate peer and break stuff. */ | |
2184 | ||
2185 | for (;;) { | |
2186 | skb = skb_dequeue(&ar->offchan_tx_queue); | |
2187 | if (!skb) | |
2188 | break; | |
2189 | ||
2190 | mutex_lock(&ar->conf_mutex); | |
2191 | ||
7aa7a72a | 2192 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac offchannel skb %p\n", |
5e3dd157 KV |
2193 | skb); |
2194 | ||
2195 | hdr = (struct ieee80211_hdr *)skb->data; | |
2196 | peer_addr = ieee80211_get_DA(hdr); | |
5e00d31a | 2197 | vdev_id = ATH10K_SKB_CB(skb)->vdev_id; |
5e3dd157 KV |
2198 | |
2199 | spin_lock_bh(&ar->data_lock); | |
2200 | peer = ath10k_peer_find(ar, vdev_id, peer_addr); | |
2201 | spin_unlock_bh(&ar->data_lock); | |
2202 | ||
2203 | if (peer) | |
60c3daa8 | 2204 | /* FIXME: should this use ath10k_warn()? */ |
7aa7a72a | 2205 | ath10k_dbg(ar, ATH10K_DBG_MAC, "peer %pM on vdev %d already present\n", |
5e3dd157 KV |
2206 | peer_addr, vdev_id); |
2207 | ||
2208 | if (!peer) { | |
2209 | ret = ath10k_peer_create(ar, vdev_id, peer_addr); | |
2210 | if (ret) | |
7aa7a72a | 2211 | ath10k_warn(ar, "failed to create peer %pM on vdev %d: %d\n", |
5e3dd157 KV |
2212 | peer_addr, vdev_id, ret); |
2213 | } | |
2214 | ||
2215 | spin_lock_bh(&ar->data_lock); | |
16735d02 | 2216 | reinit_completion(&ar->offchan_tx_completed); |
5e3dd157 KV |
2217 | ar->offchan_tx_skb = skb; |
2218 | spin_unlock_bh(&ar->data_lock); | |
2219 | ||
2220 | ath10k_tx_htt(ar, skb); | |
2221 | ||
2222 | ret = wait_for_completion_timeout(&ar->offchan_tx_completed, | |
2223 | 3 * HZ); | |
2224 | if (ret <= 0) | |
7aa7a72a | 2225 | ath10k_warn(ar, "timed out waiting for offchannel skb %p\n", |
5e3dd157 KV |
2226 | skb); |
2227 | ||
2228 | if (!peer) { | |
2229 | ret = ath10k_peer_delete(ar, vdev_id, peer_addr); | |
2230 | if (ret) | |
7aa7a72a | 2231 | ath10k_warn(ar, "failed to delete peer %pM on vdev %d: %d\n", |
5e3dd157 KV |
2232 | peer_addr, vdev_id, ret); |
2233 | } | |
2234 | ||
2235 | mutex_unlock(&ar->conf_mutex); | |
2236 | } | |
2237 | } | |
2238 | ||
5e00d31a BM |
2239 | void ath10k_mgmt_over_wmi_tx_purge(struct ath10k *ar) |
2240 | { | |
2241 | struct sk_buff *skb; | |
2242 | ||
2243 | for (;;) { | |
2244 | skb = skb_dequeue(&ar->wmi_mgmt_tx_queue); | |
2245 | if (!skb) | |
2246 | break; | |
2247 | ||
2248 | ieee80211_free_txskb(ar->hw, skb); | |
2249 | } | |
2250 | } | |
2251 | ||
2252 | void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work) | |
2253 | { | |
2254 | struct ath10k *ar = container_of(work, struct ath10k, wmi_mgmt_tx_work); | |
2255 | struct sk_buff *skb; | |
2256 | int ret; | |
2257 | ||
2258 | for (;;) { | |
2259 | skb = skb_dequeue(&ar->wmi_mgmt_tx_queue); | |
2260 | if (!skb) | |
2261 | break; | |
2262 | ||
2263 | ret = ath10k_wmi_mgmt_tx(ar, skb); | |
5fb5e41f | 2264 | if (ret) { |
7aa7a72a | 2265 | ath10k_warn(ar, "failed to transmit management frame via WMI: %d\n", |
be6546fc | 2266 | ret); |
5fb5e41f MK |
2267 | ieee80211_free_txskb(ar->hw, skb); |
2268 | } | |
5e00d31a BM |
2269 | } |
2270 | } | |
2271 | ||
5e3dd157 KV |
2272 | /************/ |
2273 | /* Scanning */ | |
2274 | /************/ | |
2275 | ||
5c81c7fd | 2276 | void __ath10k_scan_finish(struct ath10k *ar) |
5e3dd157 | 2277 | { |
5c81c7fd | 2278 | lockdep_assert_held(&ar->data_lock); |
5e3dd157 | 2279 | |
5c81c7fd MK |
2280 | switch (ar->scan.state) { |
2281 | case ATH10K_SCAN_IDLE: | |
2282 | break; | |
2283 | case ATH10K_SCAN_RUNNING: | |
5c81c7fd MK |
2284 | if (ar->scan.is_roc) |
2285 | ieee80211_remain_on_channel_expired(ar->hw); | |
7305d3e0 MK |
2286 | case ATH10K_SCAN_ABORTING: |
2287 | if (!ar->scan.is_roc) | |
5c81c7fd MK |
2288 | ieee80211_scan_completed(ar->hw, |
2289 | (ar->scan.state == | |
2290 | ATH10K_SCAN_ABORTING)); | |
2291 | /* fall through */ | |
2292 | case ATH10K_SCAN_STARTING: | |
2293 | ar->scan.state = ATH10K_SCAN_IDLE; | |
2294 | ar->scan_channel = NULL; | |
2295 | ath10k_offchan_tx_purge(ar); | |
2296 | cancel_delayed_work(&ar->scan.timeout); | |
2297 | complete_all(&ar->scan.completed); | |
2298 | break; | |
5e3dd157 | 2299 | } |
5c81c7fd | 2300 | } |
5e3dd157 | 2301 | |
5c81c7fd MK |
2302 | void ath10k_scan_finish(struct ath10k *ar) |
2303 | { | |
2304 | spin_lock_bh(&ar->data_lock); | |
2305 | __ath10k_scan_finish(ar); | |
5e3dd157 KV |
2306 | spin_unlock_bh(&ar->data_lock); |
2307 | } | |
2308 | ||
5c81c7fd | 2309 | static int ath10k_scan_stop(struct ath10k *ar) |
5e3dd157 KV |
2310 | { |
2311 | struct wmi_stop_scan_arg arg = { | |
2312 | .req_id = 1, /* FIXME */ | |
2313 | .req_type = WMI_SCAN_STOP_ONE, | |
2314 | .u.scan_id = ATH10K_SCAN_ID, | |
2315 | }; | |
2316 | int ret; | |
2317 | ||
2318 | lockdep_assert_held(&ar->conf_mutex); | |
2319 | ||
5e3dd157 KV |
2320 | ret = ath10k_wmi_stop_scan(ar, &arg); |
2321 | if (ret) { | |
7aa7a72a | 2322 | ath10k_warn(ar, "failed to stop wmi scan: %d\n", ret); |
5c81c7fd | 2323 | goto out; |
5e3dd157 KV |
2324 | } |
2325 | ||
5e3dd157 | 2326 | ret = wait_for_completion_timeout(&ar->scan.completed, 3*HZ); |
5c81c7fd | 2327 | if (ret == 0) { |
7aa7a72a | 2328 | ath10k_warn(ar, "failed to receive scan abortion completion: timed out\n"); |
5c81c7fd MK |
2329 | ret = -ETIMEDOUT; |
2330 | } else if (ret > 0) { | |
2331 | ret = 0; | |
2332 | } | |
5e3dd157 | 2333 | |
5c81c7fd MK |
2334 | out: |
2335 | /* Scan state should be updated upon scan completion but in case | |
2336 | * firmware fails to deliver the event (for whatever reason) it is | |
2337 | * desired to clean up scan state anyway. Firmware may have just | |
2338 | * dropped the scan completion event delivery due to transport pipe | |
2339 | * being overflown with data and/or it can recover on its own before | |
2340 | * next scan request is submitted. | |
2341 | */ | |
2342 | spin_lock_bh(&ar->data_lock); | |
2343 | if (ar->scan.state != ATH10K_SCAN_IDLE) | |
2344 | __ath10k_scan_finish(ar); | |
2345 | spin_unlock_bh(&ar->data_lock); | |
2346 | ||
2347 | return ret; | |
2348 | } | |
2349 | ||
2350 | static void ath10k_scan_abort(struct ath10k *ar) | |
2351 | { | |
2352 | int ret; | |
2353 | ||
2354 | lockdep_assert_held(&ar->conf_mutex); | |
5e3dd157 KV |
2355 | |
2356 | spin_lock_bh(&ar->data_lock); | |
5c81c7fd MK |
2357 | |
2358 | switch (ar->scan.state) { | |
2359 | case ATH10K_SCAN_IDLE: | |
2360 | /* This can happen if timeout worker kicked in and called | |
2361 | * abortion while scan completion was being processed. | |
2362 | */ | |
2363 | break; | |
2364 | case ATH10K_SCAN_STARTING: | |
2365 | case ATH10K_SCAN_ABORTING: | |
7aa7a72a | 2366 | ath10k_warn(ar, "refusing scan abortion due to invalid scan state: %s (%d)\n", |
5c81c7fd MK |
2367 | ath10k_scan_state_str(ar->scan.state), |
2368 | ar->scan.state); | |
2369 | break; | |
2370 | case ATH10K_SCAN_RUNNING: | |
2371 | ar->scan.state = ATH10K_SCAN_ABORTING; | |
2372 | spin_unlock_bh(&ar->data_lock); | |
2373 | ||
2374 | ret = ath10k_scan_stop(ar); | |
2375 | if (ret) | |
7aa7a72a | 2376 | ath10k_warn(ar, "failed to abort scan: %d\n", ret); |
5c81c7fd MK |
2377 | |
2378 | spin_lock_bh(&ar->data_lock); | |
2379 | break; | |
5e3dd157 | 2380 | } |
5c81c7fd | 2381 | |
5e3dd157 | 2382 | spin_unlock_bh(&ar->data_lock); |
5c81c7fd | 2383 | } |
5e3dd157 | 2384 | |
5c81c7fd MK |
2385 | void ath10k_scan_timeout_work(struct work_struct *work) |
2386 | { | |
2387 | struct ath10k *ar = container_of(work, struct ath10k, | |
2388 | scan.timeout.work); | |
2389 | ||
2390 | mutex_lock(&ar->conf_mutex); | |
2391 | ath10k_scan_abort(ar); | |
2392 | mutex_unlock(&ar->conf_mutex); | |
5e3dd157 KV |
2393 | } |
2394 | ||
2395 | static int ath10k_start_scan(struct ath10k *ar, | |
2396 | const struct wmi_start_scan_arg *arg) | |
2397 | { | |
2398 | int ret; | |
2399 | ||
2400 | lockdep_assert_held(&ar->conf_mutex); | |
2401 | ||
2402 | ret = ath10k_wmi_start_scan(ar, arg); | |
2403 | if (ret) | |
2404 | return ret; | |
2405 | ||
5e3dd157 KV |
2406 | ret = wait_for_completion_timeout(&ar->scan.started, 1*HZ); |
2407 | if (ret == 0) { | |
5c81c7fd MK |
2408 | ret = ath10k_scan_stop(ar); |
2409 | if (ret) | |
7aa7a72a | 2410 | ath10k_warn(ar, "failed to stop scan: %d\n", ret); |
5c81c7fd MK |
2411 | |
2412 | return -ETIMEDOUT; | |
5e3dd157 KV |
2413 | } |
2414 | ||
5c81c7fd MK |
2415 | /* Add a 200ms margin to account for event/command processing */ |
2416 | ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout, | |
2417 | msecs_to_jiffies(arg->max_scan_time+200)); | |
5e3dd157 KV |
2418 | return 0; |
2419 | } | |
2420 | ||
2421 | /**********************/ | |
2422 | /* mac80211 callbacks */ | |
2423 | /**********************/ | |
2424 | ||
2425 | static void ath10k_tx(struct ieee80211_hw *hw, | |
2426 | struct ieee80211_tx_control *control, | |
2427 | struct sk_buff *skb) | |
2428 | { | |
4b604558 | 2429 | struct ath10k *ar = hw->priv; |
5e3dd157 | 2430 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
4b604558 MK |
2431 | struct ieee80211_vif *vif = info->control.vif; |
2432 | struct ieee80211_key_conf *key = info->control.hw_key; | |
5e3dd157 | 2433 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; |
5e3dd157 KV |
2434 | |
2435 | /* We should disable CCK RATE due to P2P */ | |
2436 | if (info->flags & IEEE80211_TX_CTL_NO_CCK_RATE) | |
7aa7a72a | 2437 | ath10k_dbg(ar, ATH10K_DBG_MAC, "IEEE80211_TX_CTL_NO_CCK_RATE\n"); |
5e3dd157 | 2438 | |
4b604558 MK |
2439 | ATH10K_SKB_CB(skb)->htt.is_offchan = false; |
2440 | ATH10K_SKB_CB(skb)->htt.tid = ath10k_tx_h_get_tid(hdr); | |
2b37c295 | 2441 | ATH10K_SKB_CB(skb)->vdev_id = ath10k_tx_h_get_vdev_id(ar, vif); |
5e3dd157 | 2442 | |
cf84bd4d | 2443 | /* it makes no sense to process injected frames like that */ |
4b604558 MK |
2444 | if (vif && vif->type != NL80211_IFTYPE_MONITOR) { |
2445 | ath10k_tx_h_nwifi(hw, skb); | |
2446 | ath10k_tx_h_update_wep_key(vif, key, skb); | |
2447 | ath10k_tx_h_add_p2p_noa_ie(ar, vif, skb); | |
2448 | ath10k_tx_h_seq_no(vif, skb); | |
cf84bd4d | 2449 | } |
5e3dd157 | 2450 | |
5e3dd157 KV |
2451 | if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN) { |
2452 | spin_lock_bh(&ar->data_lock); | |
8d6d3624 | 2453 | ATH10K_SKB_CB(skb)->htt.freq = ar->scan.roc_freq; |
5e00d31a | 2454 | ATH10K_SKB_CB(skb)->vdev_id = ar->scan.vdev_id; |
5e3dd157 KV |
2455 | spin_unlock_bh(&ar->data_lock); |
2456 | ||
8d6d3624 MK |
2457 | if (ath10k_mac_need_offchan_tx_work(ar)) { |
2458 | ATH10K_SKB_CB(skb)->htt.freq = 0; | |
2459 | ATH10K_SKB_CB(skb)->htt.is_offchan = true; | |
5e3dd157 | 2460 | |
8d6d3624 MK |
2461 | ath10k_dbg(ar, ATH10K_DBG_MAC, "queued offchannel skb %p\n", |
2462 | skb); | |
2463 | ||
2464 | skb_queue_tail(&ar->offchan_tx_queue, skb); | |
2465 | ieee80211_queue_work(hw, &ar->offchan_tx_work); | |
2466 | return; | |
2467 | } | |
5e3dd157 KV |
2468 | } |
2469 | ||
2470 | ath10k_tx_htt(ar, skb); | |
2471 | } | |
2472 | ||
bca7bafb | 2473 | /* Must not be called with conf_mutex held as workers can use that also. */ |
7962b0d8 | 2474 | void ath10k_drain_tx(struct ath10k *ar) |
bca7bafb MK |
2475 | { |
2476 | /* make sure rcu-protected mac80211 tx path itself is drained */ | |
2477 | synchronize_net(); | |
2478 | ||
2479 | ath10k_offchan_tx_purge(ar); | |
2480 | ath10k_mgmt_over_wmi_tx_purge(ar); | |
2481 | ||
2482 | cancel_work_sync(&ar->offchan_tx_work); | |
2483 | cancel_work_sync(&ar->wmi_mgmt_tx_work); | |
2484 | } | |
2485 | ||
affd3217 | 2486 | void ath10k_halt(struct ath10k *ar) |
818bdd16 | 2487 | { |
d9bc4b9b MK |
2488 | struct ath10k_vif *arvif; |
2489 | ||
818bdd16 MK |
2490 | lockdep_assert_held(&ar->conf_mutex); |
2491 | ||
1933747f MK |
2492 | clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); |
2493 | ar->filter_flags = 0; | |
2494 | ar->monitor = false; | |
2495 | ||
2496 | if (ar->monitor_started) | |
1bbc0975 | 2497 | ath10k_monitor_stop(ar); |
1933747f MK |
2498 | |
2499 | ar->monitor_started = false; | |
1bbc0975 | 2500 | |
5c81c7fd | 2501 | ath10k_scan_finish(ar); |
818bdd16 MK |
2502 | ath10k_peer_cleanup_all(ar); |
2503 | ath10k_core_stop(ar); | |
2504 | ath10k_hif_power_down(ar); | |
2505 | ||
2506 | spin_lock_bh(&ar->data_lock); | |
64badcb6 MK |
2507 | list_for_each_entry(arvif, &ar->arvifs, list) |
2508 | ath10k_mac_vif_beacon_cleanup(arvif); | |
818bdd16 MK |
2509 | spin_unlock_bh(&ar->data_lock); |
2510 | } | |
2511 | ||
46acf7bb BG |
2512 | static int ath10k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) |
2513 | { | |
2514 | struct ath10k *ar = hw->priv; | |
2515 | ||
2516 | mutex_lock(&ar->conf_mutex); | |
2517 | ||
2518 | if (ar->cfg_tx_chainmask) { | |
2519 | *tx_ant = ar->cfg_tx_chainmask; | |
2520 | *rx_ant = ar->cfg_rx_chainmask; | |
2521 | } else { | |
2522 | *tx_ant = ar->supp_tx_chainmask; | |
2523 | *rx_ant = ar->supp_rx_chainmask; | |
2524 | } | |
2525 | ||
2526 | mutex_unlock(&ar->conf_mutex); | |
2527 | ||
2528 | return 0; | |
2529 | } | |
2530 | ||
5572a95b BG |
2531 | static void ath10k_check_chain_mask(struct ath10k *ar, u32 cm, const char *dbg) |
2532 | { | |
2533 | /* It is not clear that allowing gaps in chainmask | |
2534 | * is helpful. Probably it will not do what user | |
2535 | * is hoping for, so warn in that case. | |
2536 | */ | |
2537 | if (cm == 15 || cm == 7 || cm == 3 || cm == 1 || cm == 0) | |
2538 | return; | |
2539 | ||
2540 | ath10k_warn(ar, "mac %s antenna chainmask may be invalid: 0x%x. Suggested values: 15, 7, 3, 1 or 0.\n", | |
2541 | dbg, cm); | |
2542 | } | |
2543 | ||
46acf7bb BG |
2544 | static int __ath10k_set_antenna(struct ath10k *ar, u32 tx_ant, u32 rx_ant) |
2545 | { | |
2546 | int ret; | |
2547 | ||
2548 | lockdep_assert_held(&ar->conf_mutex); | |
2549 | ||
5572a95b BG |
2550 | ath10k_check_chain_mask(ar, tx_ant, "tx"); |
2551 | ath10k_check_chain_mask(ar, rx_ant, "rx"); | |
2552 | ||
46acf7bb BG |
2553 | ar->cfg_tx_chainmask = tx_ant; |
2554 | ar->cfg_rx_chainmask = rx_ant; | |
2555 | ||
2556 | if ((ar->state != ATH10K_STATE_ON) && | |
2557 | (ar->state != ATH10K_STATE_RESTARTED)) | |
2558 | return 0; | |
2559 | ||
2560 | ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->tx_chain_mask, | |
2561 | tx_ant); | |
2562 | if (ret) { | |
7aa7a72a | 2563 | ath10k_warn(ar, "failed to set tx-chainmask: %d, req 0x%x\n", |
46acf7bb BG |
2564 | ret, tx_ant); |
2565 | return ret; | |
2566 | } | |
2567 | ||
2568 | ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->rx_chain_mask, | |
2569 | rx_ant); | |
2570 | if (ret) { | |
7aa7a72a | 2571 | ath10k_warn(ar, "failed to set rx-chainmask: %d, req 0x%x\n", |
46acf7bb BG |
2572 | ret, rx_ant); |
2573 | return ret; | |
2574 | } | |
2575 | ||
2576 | return 0; | |
2577 | } | |
2578 | ||
2579 | static int ath10k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) | |
2580 | { | |
2581 | struct ath10k *ar = hw->priv; | |
2582 | int ret; | |
2583 | ||
2584 | mutex_lock(&ar->conf_mutex); | |
2585 | ret = __ath10k_set_antenna(ar, tx_ant, rx_ant); | |
2586 | mutex_unlock(&ar->conf_mutex); | |
2587 | return ret; | |
2588 | } | |
2589 | ||
5e3dd157 KV |
2590 | static int ath10k_start(struct ieee80211_hw *hw) |
2591 | { | |
2592 | struct ath10k *ar = hw->priv; | |
818bdd16 | 2593 | int ret = 0; |
5e3dd157 | 2594 | |
bca7bafb MK |
2595 | /* |
2596 | * This makes sense only when restarting hw. It is harmless to call | |
2597 | * uncoditionally. This is necessary to make sure no HTT/WMI tx | |
2598 | * commands will be submitted while restarting. | |
2599 | */ | |
2600 | ath10k_drain_tx(ar); | |
2601 | ||
548db54c MK |
2602 | mutex_lock(&ar->conf_mutex); |
2603 | ||
c5058f5b MK |
2604 | switch (ar->state) { |
2605 | case ATH10K_STATE_OFF: | |
2606 | ar->state = ATH10K_STATE_ON; | |
2607 | break; | |
2608 | case ATH10K_STATE_RESTARTING: | |
2609 | ath10k_halt(ar); | |
2610 | ar->state = ATH10K_STATE_RESTARTED; | |
2611 | break; | |
2612 | case ATH10K_STATE_ON: | |
2613 | case ATH10K_STATE_RESTARTED: | |
2614 | case ATH10K_STATE_WEDGED: | |
2615 | WARN_ON(1); | |
818bdd16 | 2616 | ret = -EINVAL; |
ae254433 | 2617 | goto err; |
43d2a30f KV |
2618 | case ATH10K_STATE_UTF: |
2619 | ret = -EBUSY; | |
2620 | goto err; | |
818bdd16 MK |
2621 | } |
2622 | ||
2623 | ret = ath10k_hif_power_up(ar); | |
2624 | if (ret) { | |
7aa7a72a | 2625 | ath10k_err(ar, "Could not init hif: %d\n", ret); |
ae254433 | 2626 | goto err_off; |
818bdd16 MK |
2627 | } |
2628 | ||
43d2a30f | 2629 | ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL); |
818bdd16 | 2630 | if (ret) { |
7aa7a72a | 2631 | ath10k_err(ar, "Could not init core: %d\n", ret); |
ae254433 | 2632 | goto err_power_down; |
818bdd16 MK |
2633 | } |
2634 | ||
226a339b | 2635 | ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->pmf_qos, 1); |
ae254433 | 2636 | if (ret) { |
7aa7a72a | 2637 | ath10k_warn(ar, "failed to enable PMF QOS: %d\n", ret); |
ae254433 MK |
2638 | goto err_core_stop; |
2639 | } | |
5e3dd157 | 2640 | |
c4dd0d01 | 2641 | ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->dynamic_bw, 1); |
ae254433 | 2642 | if (ret) { |
7aa7a72a | 2643 | ath10k_warn(ar, "failed to enable dynamic BW: %d\n", ret); |
ae254433 MK |
2644 | goto err_core_stop; |
2645 | } | |
5e3dd157 | 2646 | |
46acf7bb BG |
2647 | if (ar->cfg_tx_chainmask) |
2648 | __ath10k_set_antenna(ar, ar->cfg_tx_chainmask, | |
2649 | ar->cfg_rx_chainmask); | |
2650 | ||
ab6258ed MP |
2651 | /* |
2652 | * By default FW set ARP frames ac to voice (6). In that case ARP | |
2653 | * exchange is not working properly for UAPSD enabled AP. ARP requests | |
2654 | * which arrives with access category 0 are processed by network stack | |
2655 | * and send back with access category 0, but FW changes access category | |
2656 | * to 6. Set ARP frames access category to best effort (0) solves | |
2657 | * this problem. | |
2658 | */ | |
2659 | ||
2660 | ret = ath10k_wmi_pdev_set_param(ar, | |
2661 | ar->wmi.pdev_param->arp_ac_override, 0); | |
2662 | if (ret) { | |
7aa7a72a | 2663 | ath10k_warn(ar, "failed to set arp ac override parameter: %d\n", |
ab6258ed | 2664 | ret); |
ae254433 | 2665 | goto err_core_stop; |
ab6258ed MP |
2666 | } |
2667 | ||
d650097b | 2668 | ar->num_started_vdevs = 0; |
f7843d7f MK |
2669 | ath10k_regd_update(ar); |
2670 | ||
855aed12 SW |
2671 | ath10k_spectral_start(ar); |
2672 | ||
ae254433 MK |
2673 | mutex_unlock(&ar->conf_mutex); |
2674 | return 0; | |
2675 | ||
2676 | err_core_stop: | |
2677 | ath10k_core_stop(ar); | |
2678 | ||
2679 | err_power_down: | |
2680 | ath10k_hif_power_down(ar); | |
2681 | ||
2682 | err_off: | |
2683 | ar->state = ATH10K_STATE_OFF; | |
2684 | ||
2685 | err: | |
548db54c | 2686 | mutex_unlock(&ar->conf_mutex); |
c60bdd83 | 2687 | return ret; |
5e3dd157 KV |
2688 | } |
2689 | ||
2690 | static void ath10k_stop(struct ieee80211_hw *hw) | |
2691 | { | |
2692 | struct ath10k *ar = hw->priv; | |
2693 | ||
bca7bafb MK |
2694 | ath10k_drain_tx(ar); |
2695 | ||
548db54c | 2696 | mutex_lock(&ar->conf_mutex); |
c5058f5b | 2697 | if (ar->state != ATH10K_STATE_OFF) { |
818bdd16 | 2698 | ath10k_halt(ar); |
c5058f5b MK |
2699 | ar->state = ATH10K_STATE_OFF; |
2700 | } | |
548db54c MK |
2701 | mutex_unlock(&ar->conf_mutex); |
2702 | ||
5c81c7fd | 2703 | cancel_delayed_work_sync(&ar->scan.timeout); |
affd3217 | 2704 | cancel_work_sync(&ar->restart_work); |
5e3dd157 KV |
2705 | } |
2706 | ||
ad088bfa | 2707 | static int ath10k_config_ps(struct ath10k *ar) |
5e3dd157 | 2708 | { |
ad088bfa MK |
2709 | struct ath10k_vif *arvif; |
2710 | int ret = 0; | |
affd3217 MK |
2711 | |
2712 | lockdep_assert_held(&ar->conf_mutex); | |
2713 | ||
ad088bfa MK |
2714 | list_for_each_entry(arvif, &ar->arvifs, list) { |
2715 | ret = ath10k_mac_vif_setup_ps(arvif); | |
2716 | if (ret) { | |
7aa7a72a | 2717 | ath10k_warn(ar, "failed to setup powersave: %d\n", ret); |
ad088bfa MK |
2718 | break; |
2719 | } | |
2720 | } | |
affd3217 | 2721 | |
ad088bfa | 2722 | return ret; |
affd3217 MK |
2723 | } |
2724 | ||
c930f744 MK |
2725 | static const char *chandef_get_width(enum nl80211_chan_width width) |
2726 | { | |
2727 | switch (width) { | |
2728 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2729 | return "20 (noht)"; | |
2730 | case NL80211_CHAN_WIDTH_20: | |
2731 | return "20"; | |
2732 | case NL80211_CHAN_WIDTH_40: | |
2733 | return "40"; | |
2734 | case NL80211_CHAN_WIDTH_80: | |
2735 | return "80"; | |
2736 | case NL80211_CHAN_WIDTH_80P80: | |
2737 | return "80+80"; | |
2738 | case NL80211_CHAN_WIDTH_160: | |
2739 | return "160"; | |
2740 | case NL80211_CHAN_WIDTH_5: | |
2741 | return "5"; | |
2742 | case NL80211_CHAN_WIDTH_10: | |
2743 | return "10"; | |
2744 | } | |
2745 | return "?"; | |
2746 | } | |
2747 | ||
2748 | static void ath10k_config_chan(struct ath10k *ar) | |
2749 | { | |
2750 | struct ath10k_vif *arvif; | |
c930f744 MK |
2751 | int ret; |
2752 | ||
2753 | lockdep_assert_held(&ar->conf_mutex); | |
2754 | ||
7aa7a72a | 2755 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
c930f744 MK |
2756 | "mac config channel to %dMHz (cf1 %dMHz cf2 %dMHz width %s)\n", |
2757 | ar->chandef.chan->center_freq, | |
2758 | ar->chandef.center_freq1, | |
2759 | ar->chandef.center_freq2, | |
2760 | chandef_get_width(ar->chandef.width)); | |
2761 | ||
2762 | /* First stop monitor interface. Some FW versions crash if there's a | |
2763 | * lone monitor interface. */ | |
1bbc0975 | 2764 | if (ar->monitor_started) |
1933747f | 2765 | ath10k_monitor_stop(ar); |
c930f744 MK |
2766 | |
2767 | list_for_each_entry(arvif, &ar->arvifs, list) { | |
2768 | if (!arvif->is_started) | |
2769 | continue; | |
2770 | ||
dc55e307 MK |
2771 | if (!arvif->is_up) |
2772 | continue; | |
2773 | ||
c930f744 MK |
2774 | if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) |
2775 | continue; | |
2776 | ||
dc55e307 | 2777 | ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); |
c930f744 | 2778 | if (ret) { |
7aa7a72a | 2779 | ath10k_warn(ar, "failed to down vdev %d: %d\n", |
c930f744 MK |
2780 | arvif->vdev_id, ret); |
2781 | continue; | |
2782 | } | |
2783 | } | |
2784 | ||
dc55e307 | 2785 | /* all vdevs are downed now - attempt to restart and re-up them */ |
c930f744 MK |
2786 | |
2787 | list_for_each_entry(arvif, &ar->arvifs, list) { | |
2788 | if (!arvif->is_started) | |
2789 | continue; | |
2790 | ||
2791 | if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) | |
2792 | continue; | |
2793 | ||
dc55e307 | 2794 | ret = ath10k_vdev_restart(arvif); |
c930f744 | 2795 | if (ret) { |
7aa7a72a | 2796 | ath10k_warn(ar, "failed to restart vdev %d: %d\n", |
c930f744 MK |
2797 | arvif->vdev_id, ret); |
2798 | continue; | |
2799 | } | |
2800 | ||
2801 | if (!arvif->is_up) | |
2802 | continue; | |
2803 | ||
2804 | ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid, | |
2805 | arvif->bssid); | |
2806 | if (ret) { | |
7aa7a72a | 2807 | ath10k_warn(ar, "failed to bring vdev up %d: %d\n", |
c930f744 MK |
2808 | arvif->vdev_id, ret); |
2809 | continue; | |
2810 | } | |
2811 | } | |
2812 | ||
1933747f | 2813 | ath10k_monitor_recalc(ar); |
c930f744 MK |
2814 | } |
2815 | ||
7d9d5587 MK |
2816 | static int ath10k_mac_txpower_setup(struct ath10k *ar, int txpower) |
2817 | { | |
2818 | int ret; | |
2819 | u32 param; | |
2820 | ||
2821 | lockdep_assert_held(&ar->conf_mutex); | |
2822 | ||
2823 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac txpower %d\n", txpower); | |
2824 | ||
2825 | param = ar->wmi.pdev_param->txpower_limit2g; | |
2826 | ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2); | |
2827 | if (ret) { | |
2828 | ath10k_warn(ar, "failed to set 2g txpower %d: %d\n", | |
2829 | txpower, ret); | |
2830 | return ret; | |
2831 | } | |
2832 | ||
2833 | param = ar->wmi.pdev_param->txpower_limit5g; | |
2834 | ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2); | |
2835 | if (ret) { | |
2836 | ath10k_warn(ar, "failed to set 5g txpower %d: %d\n", | |
2837 | txpower, ret); | |
2838 | return ret; | |
2839 | } | |
2840 | ||
2841 | return 0; | |
2842 | } | |
2843 | ||
2844 | static int ath10k_mac_txpower_recalc(struct ath10k *ar) | |
2845 | { | |
2846 | struct ath10k_vif *arvif; | |
2847 | int ret, txpower = -1; | |
2848 | ||
2849 | lockdep_assert_held(&ar->conf_mutex); | |
2850 | ||
2851 | list_for_each_entry(arvif, &ar->arvifs, list) { | |
2852 | WARN_ON(arvif->txpower < 0); | |
2853 | ||
2854 | if (txpower == -1) | |
2855 | txpower = arvif->txpower; | |
2856 | else | |
2857 | txpower = min(txpower, arvif->txpower); | |
2858 | } | |
2859 | ||
2860 | if (WARN_ON(txpower == -1)) | |
2861 | return -EINVAL; | |
2862 | ||
2863 | ret = ath10k_mac_txpower_setup(ar, txpower); | |
2864 | if (ret) { | |
2865 | ath10k_warn(ar, "failed to setup tx power %d: %d\n", | |
2866 | txpower, ret); | |
2867 | return ret; | |
2868 | } | |
2869 | ||
2870 | return 0; | |
2871 | } | |
2872 | ||
affd3217 MK |
2873 | static int ath10k_config(struct ieee80211_hw *hw, u32 changed) |
2874 | { | |
5e3dd157 KV |
2875 | struct ath10k *ar = hw->priv; |
2876 | struct ieee80211_conf *conf = &hw->conf; | |
2877 | int ret = 0; | |
5e3dd157 KV |
2878 | |
2879 | mutex_lock(&ar->conf_mutex); | |
2880 | ||
2881 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { | |
7aa7a72a | 2882 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
d650097b | 2883 | "mac config channel %dMHz flags 0x%x radar %d\n", |
e8a50f8b | 2884 | conf->chandef.chan->center_freq, |
d650097b MK |
2885 | conf->chandef.chan->flags, |
2886 | conf->radar_enabled); | |
e8a50f8b | 2887 | |
5e3dd157 KV |
2888 | spin_lock_bh(&ar->data_lock); |
2889 | ar->rx_channel = conf->chandef.chan; | |
2890 | spin_unlock_bh(&ar->data_lock); | |
e8a50f8b | 2891 | |
d650097b MK |
2892 | ar->radar_enabled = conf->radar_enabled; |
2893 | ath10k_recalc_radar_detection(ar); | |
c930f744 MK |
2894 | |
2895 | if (!cfg80211_chandef_identical(&ar->chandef, &conf->chandef)) { | |
2896 | ar->chandef = conf->chandef; | |
2897 | ath10k_config_chan(ar); | |
2898 | } | |
5e3dd157 KV |
2899 | } |
2900 | ||
affd3217 MK |
2901 | if (changed & IEEE80211_CONF_CHANGE_PS) |
2902 | ath10k_config_ps(ar); | |
5e3dd157 KV |
2903 | |
2904 | if (changed & IEEE80211_CONF_CHANGE_MONITOR) { | |
1933747f MK |
2905 | ar->monitor = conf->flags & IEEE80211_CONF_MONITOR; |
2906 | ret = ath10k_monitor_recalc(ar); | |
2907 | if (ret) | |
2908 | ath10k_warn(ar, "failed to recalc monitor: %d\n", ret); | |
5e3dd157 KV |
2909 | } |
2910 | ||
2911 | mutex_unlock(&ar->conf_mutex); | |
2912 | return ret; | |
2913 | } | |
2914 | ||
5572a95b BG |
2915 | static u32 get_nss_from_chainmask(u16 chain_mask) |
2916 | { | |
2917 | if ((chain_mask & 0x15) == 0x15) | |
2918 | return 4; | |
2919 | else if ((chain_mask & 0x7) == 0x7) | |
2920 | return 3; | |
2921 | else if ((chain_mask & 0x3) == 0x3) | |
2922 | return 2; | |
2923 | return 1; | |
2924 | } | |
2925 | ||
5e3dd157 KV |
2926 | /* |
2927 | * TODO: | |
2928 | * Figure out how to handle WMI_VDEV_SUBTYPE_P2P_DEVICE, | |
2929 | * because we will send mgmt frames without CCK. This requirement | |
2930 | * for P2P_FIND/GO_NEG should be handled by checking CCK flag | |
2931 | * in the TX packet. | |
2932 | */ | |
2933 | static int ath10k_add_interface(struct ieee80211_hw *hw, | |
2934 | struct ieee80211_vif *vif) | |
2935 | { | |
2936 | struct ath10k *ar = hw->priv; | |
2937 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
2938 | enum wmi_sta_powersave_param param; | |
2939 | int ret = 0; | |
5a13e76e | 2940 | u32 value; |
5e3dd157 | 2941 | int bit; |
6d1506e7 | 2942 | u32 vdev_param; |
5e3dd157 KV |
2943 | |
2944 | mutex_lock(&ar->conf_mutex); | |
2945 | ||
0dbd09e6 MK |
2946 | memset(arvif, 0, sizeof(*arvif)); |
2947 | ||
5e3dd157 KV |
2948 | arvif->ar = ar; |
2949 | arvif->vif = vif; | |
2950 | ||
cc4827b9 | 2951 | INIT_WORK(&arvif->wep_key_work, ath10k_tx_wep_key_work); |
e63b33f3 | 2952 | INIT_LIST_HEAD(&arvif->list); |
cc4827b9 | 2953 | |
a9aefb3b | 2954 | if (ar->free_vdev_map == 0) { |
7aa7a72a | 2955 | ath10k_warn(ar, "Free vdev map is empty, no more interfaces allowed.\n"); |
5e3dd157 | 2956 | ret = -EBUSY; |
9dad14ae | 2957 | goto err; |
5e3dd157 | 2958 | } |
16c11176 | 2959 | bit = __ffs64(ar->free_vdev_map); |
5e3dd157 | 2960 | |
16c11176 BG |
2961 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac create vdev %i map %llx\n", |
2962 | bit, ar->free_vdev_map); | |
5e3dd157 | 2963 | |
16c11176 | 2964 | arvif->vdev_id = bit; |
5e3dd157 | 2965 | arvif->vdev_subtype = WMI_VDEV_SUBTYPE_NONE; |
5e3dd157 KV |
2966 | |
2967 | if (ar->p2p) | |
2968 | arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_DEVICE; | |
2969 | ||
2970 | switch (vif->type) { | |
2971 | case NL80211_IFTYPE_UNSPECIFIED: | |
2972 | case NL80211_IFTYPE_STATION: | |
2973 | arvif->vdev_type = WMI_VDEV_TYPE_STA; | |
2974 | if (vif->p2p) | |
2975 | arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_CLIENT; | |
2976 | break; | |
2977 | case NL80211_IFTYPE_ADHOC: | |
2978 | arvif->vdev_type = WMI_VDEV_TYPE_IBSS; | |
2979 | break; | |
2980 | case NL80211_IFTYPE_AP: | |
2981 | arvif->vdev_type = WMI_VDEV_TYPE_AP; | |
2982 | ||
2983 | if (vif->p2p) | |
2984 | arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_GO; | |
2985 | break; | |
2986 | case NL80211_IFTYPE_MONITOR: | |
2987 | arvif->vdev_type = WMI_VDEV_TYPE_MONITOR; | |
2988 | break; | |
2989 | default: | |
2990 | WARN_ON(1); | |
2991 | break; | |
2992 | } | |
2993 | ||
64badcb6 MK |
2994 | /* Some firmware revisions don't wait for beacon tx completion before |
2995 | * sending another SWBA event. This could lead to hardware using old | |
2996 | * (freed) beacon data in some cases, e.g. tx credit starvation | |
2997 | * combined with missed TBTT. This is very very rare. | |
2998 | * | |
2999 | * On non-IOMMU-enabled hosts this could be a possible security issue | |
3000 | * because hw could beacon some random data on the air. On | |
3001 | * IOMMU-enabled hosts DMAR faults would occur in most cases and target | |
3002 | * device would crash. | |
3003 | * | |
3004 | * Since there are no beacon tx completions (implicit nor explicit) | |
3005 | * propagated to host the only workaround for this is to allocate a | |
3006 | * DMA-coherent buffer for a lifetime of a vif and use it for all | |
3007 | * beacon tx commands. Worst case for this approach is some beacons may | |
3008 | * become corrupted, e.g. have garbled IEs or out-of-date TIM bitmap. | |
3009 | */ | |
3010 | if (vif->type == NL80211_IFTYPE_ADHOC || | |
3011 | vif->type == NL80211_IFTYPE_AP) { | |
3012 | arvif->beacon_buf = dma_zalloc_coherent(ar->dev, | |
3013 | IEEE80211_MAX_FRAME_LEN, | |
3014 | &arvif->beacon_paddr, | |
82d7aba7 | 3015 | GFP_ATOMIC); |
64badcb6 MK |
3016 | if (!arvif->beacon_buf) { |
3017 | ret = -ENOMEM; | |
3018 | ath10k_warn(ar, "failed to allocate beacon buffer: %d\n", | |
3019 | ret); | |
3020 | goto err; | |
3021 | } | |
3022 | } | |
3023 | ||
3024 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev create %d (add interface) type %d subtype %d bcnmode %s\n", | |
3025 | arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype, | |
3026 | arvif->beacon_buf ? "single-buf" : "per-skb"); | |
5e3dd157 KV |
3027 | |
3028 | ret = ath10k_wmi_vdev_create(ar, arvif->vdev_id, arvif->vdev_type, | |
3029 | arvif->vdev_subtype, vif->addr); | |
3030 | if (ret) { | |
7aa7a72a | 3031 | ath10k_warn(ar, "failed to create WMI vdev %i: %d\n", |
69244e56 | 3032 | arvif->vdev_id, ret); |
9dad14ae | 3033 | goto err; |
5e3dd157 KV |
3034 | } |
3035 | ||
16c11176 | 3036 | ar->free_vdev_map &= ~(1LL << arvif->vdev_id); |
0579119f | 3037 | list_add(&arvif->list, &ar->arvifs); |
9dad14ae | 3038 | |
6d1506e7 BM |
3039 | vdev_param = ar->wmi.vdev_param->def_keyid; |
3040 | ret = ath10k_wmi_vdev_set_param(ar, 0, vdev_param, | |
cc4827b9 | 3041 | arvif->def_wep_key_idx); |
9dad14ae | 3042 | if (ret) { |
7aa7a72a | 3043 | ath10k_warn(ar, "failed to set vdev %i default key id: %d\n", |
69244e56 | 3044 | arvif->vdev_id, ret); |
9dad14ae MK |
3045 | goto err_vdev_delete; |
3046 | } | |
5e3dd157 | 3047 | |
6d1506e7 BM |
3048 | vdev_param = ar->wmi.vdev_param->tx_encap_type; |
3049 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 | 3050 | ATH10K_HW_TXRX_NATIVE_WIFI); |
ebc9abdd | 3051 | /* 10.X firmware does not support this VDEV parameter. Do not warn */ |
9dad14ae | 3052 | if (ret && ret != -EOPNOTSUPP) { |
7aa7a72a | 3053 | ath10k_warn(ar, "failed to set vdev %i TX encapsulation: %d\n", |
69244e56 | 3054 | arvif->vdev_id, ret); |
9dad14ae MK |
3055 | goto err_vdev_delete; |
3056 | } | |
5e3dd157 | 3057 | |
5572a95b BG |
3058 | if (ar->cfg_tx_chainmask) { |
3059 | u16 nss = get_nss_from_chainmask(ar->cfg_tx_chainmask); | |
3060 | ||
3061 | vdev_param = ar->wmi.vdev_param->nss; | |
3062 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
3063 | nss); | |
3064 | if (ret) { | |
3065 | ath10k_warn(ar, "failed to set vdev %i chainmask 0x%x, nss %i: %d\n", | |
3066 | arvif->vdev_id, ar->cfg_tx_chainmask, nss, | |
3067 | ret); | |
3068 | goto err_vdev_delete; | |
3069 | } | |
3070 | } | |
3071 | ||
5e3dd157 KV |
3072 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { |
3073 | ret = ath10k_peer_create(ar, arvif->vdev_id, vif->addr); | |
3074 | if (ret) { | |
7aa7a72a | 3075 | ath10k_warn(ar, "failed to create vdev %i peer for AP: %d\n", |
69244e56 | 3076 | arvif->vdev_id, ret); |
9dad14ae | 3077 | goto err_vdev_delete; |
5e3dd157 | 3078 | } |
cdf07409 | 3079 | |
5a13e76e KV |
3080 | ret = ath10k_mac_set_kickout(arvif); |
3081 | if (ret) { | |
7aa7a72a | 3082 | ath10k_warn(ar, "failed to set vdev %i kickout parameters: %d\n", |
69244e56 | 3083 | arvif->vdev_id, ret); |
5a13e76e KV |
3084 | goto err_peer_delete; |
3085 | } | |
5e3dd157 KV |
3086 | } |
3087 | ||
3088 | if (arvif->vdev_type == WMI_VDEV_TYPE_STA) { | |
3089 | param = WMI_STA_PS_PARAM_RX_WAKE_POLICY; | |
3090 | value = WMI_STA_PS_RX_WAKE_POLICY_WAKE; | |
3091 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
3092 | param, value); | |
9dad14ae | 3093 | if (ret) { |
7aa7a72a | 3094 | ath10k_warn(ar, "failed to set vdev %i RX wake policy: %d\n", |
69244e56 | 3095 | arvif->vdev_id, ret); |
9dad14ae MK |
3096 | goto err_peer_delete; |
3097 | } | |
5e3dd157 | 3098 | |
9f9b5746 | 3099 | ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif); |
9dad14ae | 3100 | if (ret) { |
9f9b5746 | 3101 | ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n", |
69244e56 | 3102 | arvif->vdev_id, ret); |
9dad14ae MK |
3103 | goto err_peer_delete; |
3104 | } | |
5e3dd157 | 3105 | |
9f9b5746 | 3106 | ret = ath10k_mac_vif_recalc_ps_poll_count(arvif); |
9dad14ae | 3107 | if (ret) { |
9f9b5746 | 3108 | ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n", |
69244e56 | 3109 | arvif->vdev_id, ret); |
9dad14ae MK |
3110 | goto err_peer_delete; |
3111 | } | |
5e3dd157 KV |
3112 | } |
3113 | ||
424121c3 | 3114 | ret = ath10k_mac_set_rts(arvif, ar->hw->wiphy->rts_threshold); |
9dad14ae | 3115 | if (ret) { |
7aa7a72a | 3116 | ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n", |
679c54a6 | 3117 | arvif->vdev_id, ret); |
9dad14ae MK |
3118 | goto err_peer_delete; |
3119 | } | |
679c54a6 | 3120 | |
424121c3 | 3121 | ret = ath10k_mac_set_frag(arvif, ar->hw->wiphy->frag_threshold); |
9dad14ae | 3122 | if (ret) { |
7aa7a72a | 3123 | ath10k_warn(ar, "failed to set frag threshold for vdev %d: %d\n", |
679c54a6 | 3124 | arvif->vdev_id, ret); |
9dad14ae MK |
3125 | goto err_peer_delete; |
3126 | } | |
679c54a6 | 3127 | |
7d9d5587 MK |
3128 | arvif->txpower = vif->bss_conf.txpower; |
3129 | ret = ath10k_mac_txpower_recalc(ar); | |
3130 | if (ret) { | |
3131 | ath10k_warn(ar, "failed to recalc tx power: %d\n", ret); | |
3132 | goto err_peer_delete; | |
3133 | } | |
3134 | ||
5e3dd157 | 3135 | mutex_unlock(&ar->conf_mutex); |
9dad14ae MK |
3136 | return 0; |
3137 | ||
3138 | err_peer_delete: | |
3139 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP) | |
3140 | ath10k_wmi_peer_delete(ar, arvif->vdev_id, vif->addr); | |
3141 | ||
3142 | err_vdev_delete: | |
3143 | ath10k_wmi_vdev_delete(ar, arvif->vdev_id); | |
16c11176 | 3144 | ar->free_vdev_map |= 1LL << arvif->vdev_id; |
0579119f | 3145 | list_del(&arvif->list); |
9dad14ae MK |
3146 | |
3147 | err: | |
64badcb6 MK |
3148 | if (arvif->beacon_buf) { |
3149 | dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN, | |
3150 | arvif->beacon_buf, arvif->beacon_paddr); | |
3151 | arvif->beacon_buf = NULL; | |
3152 | } | |
3153 | ||
9dad14ae MK |
3154 | mutex_unlock(&ar->conf_mutex); |
3155 | ||
5e3dd157 KV |
3156 | return ret; |
3157 | } | |
3158 | ||
3159 | static void ath10k_remove_interface(struct ieee80211_hw *hw, | |
3160 | struct ieee80211_vif *vif) | |
3161 | { | |
3162 | struct ath10k *ar = hw->priv; | |
3163 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
3164 | int ret; | |
3165 | ||
cc4827b9 MK |
3166 | cancel_work_sync(&arvif->wep_key_work); |
3167 | ||
5d011f5c SM |
3168 | mutex_lock(&ar->conf_mutex); |
3169 | ||
ed54388a | 3170 | spin_lock_bh(&ar->data_lock); |
64badcb6 | 3171 | ath10k_mac_vif_beacon_cleanup(arvif); |
ed54388a MK |
3172 | spin_unlock_bh(&ar->data_lock); |
3173 | ||
855aed12 SW |
3174 | ret = ath10k_spectral_vif_stop(arvif); |
3175 | if (ret) | |
7aa7a72a | 3176 | ath10k_warn(ar, "failed to stop spectral for vdev %i: %d\n", |
855aed12 SW |
3177 | arvif->vdev_id, ret); |
3178 | ||
16c11176 | 3179 | ar->free_vdev_map |= 1LL << arvif->vdev_id; |
0579119f | 3180 | list_del(&arvif->list); |
5e3dd157 KV |
3181 | |
3182 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { | |
3183 | ret = ath10k_peer_delete(arvif->ar, arvif->vdev_id, vif->addr); | |
3184 | if (ret) | |
7aa7a72a | 3185 | ath10k_warn(ar, "failed to remove peer for AP vdev %i: %d\n", |
69244e56 | 3186 | arvif->vdev_id, ret); |
5e3dd157 KV |
3187 | |
3188 | kfree(arvif->u.ap.noa_data); | |
3189 | } | |
3190 | ||
7aa7a72a | 3191 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i delete (remove interface)\n", |
60c3daa8 KV |
3192 | arvif->vdev_id); |
3193 | ||
5e3dd157 KV |
3194 | ret = ath10k_wmi_vdev_delete(ar, arvif->vdev_id); |
3195 | if (ret) | |
7aa7a72a | 3196 | ath10k_warn(ar, "failed to delete WMI vdev %i: %d\n", |
69244e56 | 3197 | arvif->vdev_id, ret); |
5e3dd157 | 3198 | |
5e3dd157 KV |
3199 | ath10k_peer_cleanup(ar, arvif->vdev_id); |
3200 | ||
3201 | mutex_unlock(&ar->conf_mutex); | |
3202 | } | |
3203 | ||
3204 | /* | |
3205 | * FIXME: Has to be verified. | |
3206 | */ | |
3207 | #define SUPPORTED_FILTERS \ | |
3208 | (FIF_PROMISC_IN_BSS | \ | |
3209 | FIF_ALLMULTI | \ | |
3210 | FIF_CONTROL | \ | |
3211 | FIF_PSPOLL | \ | |
3212 | FIF_OTHER_BSS | \ | |
3213 | FIF_BCN_PRBRESP_PROMISC | \ | |
3214 | FIF_PROBE_REQ | \ | |
3215 | FIF_FCSFAIL) | |
3216 | ||
3217 | static void ath10k_configure_filter(struct ieee80211_hw *hw, | |
3218 | unsigned int changed_flags, | |
3219 | unsigned int *total_flags, | |
3220 | u64 multicast) | |
3221 | { | |
3222 | struct ath10k *ar = hw->priv; | |
3223 | int ret; | |
3224 | ||
3225 | mutex_lock(&ar->conf_mutex); | |
3226 | ||
3227 | changed_flags &= SUPPORTED_FILTERS; | |
3228 | *total_flags &= SUPPORTED_FILTERS; | |
3229 | ar->filter_flags = *total_flags; | |
3230 | ||
1933747f MK |
3231 | ret = ath10k_monitor_recalc(ar); |
3232 | if (ret) | |
3233 | ath10k_warn(ar, "failed to recalc montior: %d\n", ret); | |
5e3dd157 KV |
3234 | |
3235 | mutex_unlock(&ar->conf_mutex); | |
3236 | } | |
3237 | ||
3238 | static void ath10k_bss_info_changed(struct ieee80211_hw *hw, | |
3239 | struct ieee80211_vif *vif, | |
3240 | struct ieee80211_bss_conf *info, | |
3241 | u32 changed) | |
3242 | { | |
3243 | struct ath10k *ar = hw->priv; | |
3244 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
3245 | int ret = 0; | |
af762c0b | 3246 | u32 vdev_param, pdev_param, slottime, preamble; |
5e3dd157 KV |
3247 | |
3248 | mutex_lock(&ar->conf_mutex); | |
3249 | ||
3250 | if (changed & BSS_CHANGED_IBSS) | |
3251 | ath10k_control_ibss(arvif, info, vif->addr); | |
3252 | ||
3253 | if (changed & BSS_CHANGED_BEACON_INT) { | |
3254 | arvif->beacon_interval = info->beacon_int; | |
6d1506e7 BM |
3255 | vdev_param = ar->wmi.vdev_param->beacon_interval; |
3256 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 | 3257 | arvif->beacon_interval); |
7aa7a72a | 3258 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
3259 | "mac vdev %d beacon_interval %d\n", |
3260 | arvif->vdev_id, arvif->beacon_interval); | |
3261 | ||
5e3dd157 | 3262 | if (ret) |
7aa7a72a | 3263 | ath10k_warn(ar, "failed to set beacon interval for vdev %d: %i\n", |
69244e56 | 3264 | arvif->vdev_id, ret); |
5e3dd157 KV |
3265 | } |
3266 | ||
3267 | if (changed & BSS_CHANGED_BEACON) { | |
7aa7a72a | 3268 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
3269 | "vdev %d set beacon tx mode to staggered\n", |
3270 | arvif->vdev_id); | |
3271 | ||
226a339b BM |
3272 | pdev_param = ar->wmi.pdev_param->beacon_tx_mode; |
3273 | ret = ath10k_wmi_pdev_set_param(ar, pdev_param, | |
5e3dd157 KV |
3274 | WMI_BEACON_STAGGERED_MODE); |
3275 | if (ret) | |
7aa7a72a | 3276 | ath10k_warn(ar, "failed to set beacon mode for vdev %d: %i\n", |
69244e56 | 3277 | arvif->vdev_id, ret); |
5e3dd157 KV |
3278 | } |
3279 | ||
b70727e8 | 3280 | if (changed & BSS_CHANGED_BEACON_INFO) { |
5e3dd157 KV |
3281 | arvif->dtim_period = info->dtim_period; |
3282 | ||
7aa7a72a | 3283 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
3284 | "mac vdev %d dtim_period %d\n", |
3285 | arvif->vdev_id, arvif->dtim_period); | |
3286 | ||
6d1506e7 BM |
3287 | vdev_param = ar->wmi.vdev_param->dtim_period; |
3288 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 KV |
3289 | arvif->dtim_period); |
3290 | if (ret) | |
7aa7a72a | 3291 | ath10k_warn(ar, "failed to set dtim period for vdev %d: %i\n", |
69244e56 | 3292 | arvif->vdev_id, ret); |
5e3dd157 KV |
3293 | } |
3294 | ||
3295 | if (changed & BSS_CHANGED_SSID && | |
3296 | vif->type == NL80211_IFTYPE_AP) { | |
3297 | arvif->u.ap.ssid_len = info->ssid_len; | |
3298 | if (info->ssid_len) | |
3299 | memcpy(arvif->u.ap.ssid, info->ssid, info->ssid_len); | |
3300 | arvif->u.ap.hidden_ssid = info->hidden_ssid; | |
3301 | } | |
3302 | ||
077efc8c MK |
3303 | if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid)) |
3304 | ether_addr_copy(arvif->bssid, info->bssid); | |
5e3dd157 KV |
3305 | |
3306 | if (changed & BSS_CHANGED_BEACON_ENABLED) | |
3307 | ath10k_control_beaconing(arvif, info); | |
3308 | ||
3309 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
e81bd104 | 3310 | arvif->use_cts_prot = info->use_cts_prot; |
7aa7a72a | 3311 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d cts_prot %d\n", |
e81bd104 | 3312 | arvif->vdev_id, info->use_cts_prot); |
60c3daa8 | 3313 | |
e81bd104 | 3314 | ret = ath10k_recalc_rtscts_prot(arvif); |
5e3dd157 | 3315 | if (ret) |
7aa7a72a | 3316 | ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n", |
69244e56 | 3317 | arvif->vdev_id, ret); |
5e3dd157 KV |
3318 | } |
3319 | ||
3320 | if (changed & BSS_CHANGED_ERP_SLOT) { | |
5e3dd157 KV |
3321 | if (info->use_short_slot) |
3322 | slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */ | |
3323 | ||
3324 | else | |
3325 | slottime = WMI_VDEV_SLOT_TIME_LONG; /* 20us */ | |
3326 | ||
7aa7a72a | 3327 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d slot_time %d\n", |
60c3daa8 KV |
3328 | arvif->vdev_id, slottime); |
3329 | ||
6d1506e7 BM |
3330 | vdev_param = ar->wmi.vdev_param->slot_time; |
3331 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 KV |
3332 | slottime); |
3333 | if (ret) | |
7aa7a72a | 3334 | ath10k_warn(ar, "failed to set erp slot for vdev %d: %i\n", |
69244e56 | 3335 | arvif->vdev_id, ret); |
5e3dd157 KV |
3336 | } |
3337 | ||
3338 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
5e3dd157 KV |
3339 | if (info->use_short_preamble) |
3340 | preamble = WMI_VDEV_PREAMBLE_SHORT; | |
3341 | else | |
3342 | preamble = WMI_VDEV_PREAMBLE_LONG; | |
3343 | ||
7aa7a72a | 3344 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
3345 | "mac vdev %d preamble %dn", |
3346 | arvif->vdev_id, preamble); | |
3347 | ||
6d1506e7 BM |
3348 | vdev_param = ar->wmi.vdev_param->preamble; |
3349 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 KV |
3350 | preamble); |
3351 | if (ret) | |
7aa7a72a | 3352 | ath10k_warn(ar, "failed to set preamble for vdev %d: %i\n", |
69244e56 | 3353 | arvif->vdev_id, ret); |
5e3dd157 KV |
3354 | } |
3355 | ||
3356 | if (changed & BSS_CHANGED_ASSOC) { | |
e556f111 MK |
3357 | if (info->assoc) { |
3358 | /* Workaround: Make sure monitor vdev is not running | |
3359 | * when associating to prevent some firmware revisions | |
3360 | * (e.g. 10.1 and 10.2) from crashing. | |
3361 | */ | |
3362 | if (ar->monitor_started) | |
3363 | ath10k_monitor_stop(ar); | |
5e3dd157 | 3364 | ath10k_bss_assoc(hw, vif, info); |
e556f111 | 3365 | ath10k_monitor_recalc(ar); |
077efc8c MK |
3366 | } else { |
3367 | ath10k_bss_disassoc(hw, vif); | |
e556f111 | 3368 | } |
5e3dd157 KV |
3369 | } |
3370 | ||
7d9d5587 MK |
3371 | if (changed & BSS_CHANGED_TXPOWER) { |
3372 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev_id %i txpower %d\n", | |
3373 | arvif->vdev_id, info->txpower); | |
3374 | ||
3375 | arvif->txpower = info->txpower; | |
3376 | ret = ath10k_mac_txpower_recalc(ar); | |
3377 | if (ret) | |
3378 | ath10k_warn(ar, "failed to recalc tx power: %d\n", ret); | |
3379 | } | |
3380 | ||
5e3dd157 KV |
3381 | mutex_unlock(&ar->conf_mutex); |
3382 | } | |
3383 | ||
3384 | static int ath10k_hw_scan(struct ieee80211_hw *hw, | |
3385 | struct ieee80211_vif *vif, | |
c56ef672 | 3386 | struct ieee80211_scan_request *hw_req) |
5e3dd157 KV |
3387 | { |
3388 | struct ath10k *ar = hw->priv; | |
3389 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
c56ef672 | 3390 | struct cfg80211_scan_request *req = &hw_req->req; |
5e3dd157 KV |
3391 | struct wmi_start_scan_arg arg; |
3392 | int ret = 0; | |
3393 | int i; | |
3394 | ||
3395 | mutex_lock(&ar->conf_mutex); | |
3396 | ||
3397 | spin_lock_bh(&ar->data_lock); | |
5c81c7fd MK |
3398 | switch (ar->scan.state) { |
3399 | case ATH10K_SCAN_IDLE: | |
3400 | reinit_completion(&ar->scan.started); | |
3401 | reinit_completion(&ar->scan.completed); | |
3402 | ar->scan.state = ATH10K_SCAN_STARTING; | |
3403 | ar->scan.is_roc = false; | |
3404 | ar->scan.vdev_id = arvif->vdev_id; | |
3405 | ret = 0; | |
3406 | break; | |
3407 | case ATH10K_SCAN_STARTING: | |
3408 | case ATH10K_SCAN_RUNNING: | |
3409 | case ATH10K_SCAN_ABORTING: | |
5e3dd157 | 3410 | ret = -EBUSY; |
5c81c7fd | 3411 | break; |
5e3dd157 | 3412 | } |
5e3dd157 KV |
3413 | spin_unlock_bh(&ar->data_lock); |
3414 | ||
5c81c7fd MK |
3415 | if (ret) |
3416 | goto exit; | |
3417 | ||
5e3dd157 KV |
3418 | memset(&arg, 0, sizeof(arg)); |
3419 | ath10k_wmi_start_scan_init(ar, &arg); | |
3420 | arg.vdev_id = arvif->vdev_id; | |
3421 | arg.scan_id = ATH10K_SCAN_ID; | |
3422 | ||
3423 | if (!req->no_cck) | |
3424 | arg.scan_ctrl_flags |= WMI_SCAN_ADD_CCK_RATES; | |
3425 | ||
3426 | if (req->ie_len) { | |
3427 | arg.ie_len = req->ie_len; | |
3428 | memcpy(arg.ie, req->ie, arg.ie_len); | |
3429 | } | |
3430 | ||
3431 | if (req->n_ssids) { | |
3432 | arg.n_ssids = req->n_ssids; | |
3433 | for (i = 0; i < arg.n_ssids; i++) { | |
3434 | arg.ssids[i].len = req->ssids[i].ssid_len; | |
3435 | arg.ssids[i].ssid = req->ssids[i].ssid; | |
3436 | } | |
dcd4a561 MK |
3437 | } else { |
3438 | arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE; | |
5e3dd157 KV |
3439 | } |
3440 | ||
3441 | if (req->n_channels) { | |
3442 | arg.n_channels = req->n_channels; | |
3443 | for (i = 0; i < arg.n_channels; i++) | |
3444 | arg.channels[i] = req->channels[i]->center_freq; | |
3445 | } | |
3446 | ||
3447 | ret = ath10k_start_scan(ar, &arg); | |
3448 | if (ret) { | |
7aa7a72a | 3449 | ath10k_warn(ar, "failed to start hw scan: %d\n", ret); |
5e3dd157 | 3450 | spin_lock_bh(&ar->data_lock); |
5c81c7fd | 3451 | ar->scan.state = ATH10K_SCAN_IDLE; |
5e3dd157 KV |
3452 | spin_unlock_bh(&ar->data_lock); |
3453 | } | |
3454 | ||
3455 | exit: | |
3456 | mutex_unlock(&ar->conf_mutex); | |
3457 | return ret; | |
3458 | } | |
3459 | ||
3460 | static void ath10k_cancel_hw_scan(struct ieee80211_hw *hw, | |
3461 | struct ieee80211_vif *vif) | |
3462 | { | |
3463 | struct ath10k *ar = hw->priv; | |
5e3dd157 KV |
3464 | |
3465 | mutex_lock(&ar->conf_mutex); | |
5c81c7fd | 3466 | ath10k_scan_abort(ar); |
5e3dd157 | 3467 | mutex_unlock(&ar->conf_mutex); |
4eb2e164 MK |
3468 | |
3469 | cancel_delayed_work_sync(&ar->scan.timeout); | |
5e3dd157 KV |
3470 | } |
3471 | ||
cfb27d29 MK |
3472 | static void ath10k_set_key_h_def_keyidx(struct ath10k *ar, |
3473 | struct ath10k_vif *arvif, | |
3474 | enum set_key_cmd cmd, | |
3475 | struct ieee80211_key_conf *key) | |
3476 | { | |
3477 | u32 vdev_param = arvif->ar->wmi.vdev_param->def_keyid; | |
3478 | int ret; | |
3479 | ||
3480 | /* 10.1 firmware branch requires default key index to be set to group | |
3481 | * key index after installing it. Otherwise FW/HW Txes corrupted | |
3482 | * frames with multi-vif APs. This is not required for main firmware | |
3483 | * branch (e.g. 636). | |
3484 | * | |
3485 | * FIXME: This has been tested only in AP. It remains unknown if this | |
3486 | * is required for multi-vif STA interfaces on 10.1 */ | |
3487 | ||
3488 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP) | |
3489 | return; | |
3490 | ||
3491 | if (key->cipher == WLAN_CIPHER_SUITE_WEP40) | |
3492 | return; | |
3493 | ||
3494 | if (key->cipher == WLAN_CIPHER_SUITE_WEP104) | |
3495 | return; | |
3496 | ||
3497 | if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) | |
3498 | return; | |
3499 | ||
3500 | if (cmd != SET_KEY) | |
3501 | return; | |
3502 | ||
3503 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
3504 | key->keyidx); | |
3505 | if (ret) | |
7aa7a72a | 3506 | ath10k_warn(ar, "failed to set vdev %i group key as default key: %d\n", |
69244e56 | 3507 | arvif->vdev_id, ret); |
cfb27d29 MK |
3508 | } |
3509 | ||
5e3dd157 KV |
3510 | static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
3511 | struct ieee80211_vif *vif, struct ieee80211_sta *sta, | |
3512 | struct ieee80211_key_conf *key) | |
3513 | { | |
3514 | struct ath10k *ar = hw->priv; | |
3515 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
3516 | struct ath10k_peer *peer; | |
3517 | const u8 *peer_addr; | |
3518 | bool is_wep = key->cipher == WLAN_CIPHER_SUITE_WEP40 || | |
3519 | key->cipher == WLAN_CIPHER_SUITE_WEP104; | |
3520 | int ret = 0; | |
3521 | ||
3522 | if (key->keyidx > WMI_MAX_KEY_INDEX) | |
3523 | return -ENOSPC; | |
3524 | ||
3525 | mutex_lock(&ar->conf_mutex); | |
3526 | ||
3527 | if (sta) | |
3528 | peer_addr = sta->addr; | |
3529 | else if (arvif->vdev_type == WMI_VDEV_TYPE_STA) | |
3530 | peer_addr = vif->bss_conf.bssid; | |
3531 | else | |
3532 | peer_addr = vif->addr; | |
3533 | ||
3534 | key->hw_key_idx = key->keyidx; | |
3535 | ||
3536 | /* the peer should not disappear in mid-way (unless FW goes awry) since | |
3537 | * we already hold conf_mutex. we just make sure its there now. */ | |
3538 | spin_lock_bh(&ar->data_lock); | |
3539 | peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr); | |
3540 | spin_unlock_bh(&ar->data_lock); | |
3541 | ||
3542 | if (!peer) { | |
3543 | if (cmd == SET_KEY) { | |
7aa7a72a | 3544 | ath10k_warn(ar, "failed to install key for non-existent peer %pM\n", |
5e3dd157 KV |
3545 | peer_addr); |
3546 | ret = -EOPNOTSUPP; | |
3547 | goto exit; | |
3548 | } else { | |
3549 | /* if the peer doesn't exist there is no key to disable | |
3550 | * anymore */ | |
3551 | goto exit; | |
3552 | } | |
3553 | } | |
3554 | ||
3555 | if (is_wep) { | |
3556 | if (cmd == SET_KEY) | |
3557 | arvif->wep_keys[key->keyidx] = key; | |
3558 | else | |
3559 | arvif->wep_keys[key->keyidx] = NULL; | |
3560 | ||
3561 | if (cmd == DISABLE_KEY) | |
3562 | ath10k_clear_vdev_key(arvif, key); | |
3563 | } | |
3564 | ||
3565 | ret = ath10k_install_key(arvif, key, cmd, peer_addr); | |
3566 | if (ret) { | |
7aa7a72a | 3567 | ath10k_warn(ar, "failed to install key for vdev %i peer %pM: %d\n", |
69244e56 | 3568 | arvif->vdev_id, peer_addr, ret); |
5e3dd157 KV |
3569 | goto exit; |
3570 | } | |
3571 | ||
cfb27d29 MK |
3572 | ath10k_set_key_h_def_keyidx(ar, arvif, cmd, key); |
3573 | ||
5e3dd157 KV |
3574 | spin_lock_bh(&ar->data_lock); |
3575 | peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr); | |
3576 | if (peer && cmd == SET_KEY) | |
3577 | peer->keys[key->keyidx] = key; | |
3578 | else if (peer && cmd == DISABLE_KEY) | |
3579 | peer->keys[key->keyidx] = NULL; | |
3580 | else if (peer == NULL) | |
3581 | /* impossible unless FW goes crazy */ | |
7aa7a72a | 3582 | ath10k_warn(ar, "Peer %pM disappeared!\n", peer_addr); |
5e3dd157 KV |
3583 | spin_unlock_bh(&ar->data_lock); |
3584 | ||
3585 | exit: | |
3586 | mutex_unlock(&ar->conf_mutex); | |
3587 | return ret; | |
3588 | } | |
3589 | ||
9797febc MK |
3590 | static void ath10k_sta_rc_update_wk(struct work_struct *wk) |
3591 | { | |
3592 | struct ath10k *ar; | |
3593 | struct ath10k_vif *arvif; | |
3594 | struct ath10k_sta *arsta; | |
3595 | struct ieee80211_sta *sta; | |
3596 | u32 changed, bw, nss, smps; | |
3597 | int err; | |
3598 | ||
3599 | arsta = container_of(wk, struct ath10k_sta, update_wk); | |
3600 | sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv); | |
3601 | arvif = arsta->arvif; | |
3602 | ar = arvif->ar; | |
3603 | ||
3604 | spin_lock_bh(&ar->data_lock); | |
3605 | ||
3606 | changed = arsta->changed; | |
3607 | arsta->changed = 0; | |
3608 | ||
3609 | bw = arsta->bw; | |
3610 | nss = arsta->nss; | |
3611 | smps = arsta->smps; | |
3612 | ||
3613 | spin_unlock_bh(&ar->data_lock); | |
3614 | ||
3615 | mutex_lock(&ar->conf_mutex); | |
3616 | ||
3617 | if (changed & IEEE80211_RC_BW_CHANGED) { | |
7aa7a72a | 3618 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM peer bw %d\n", |
9797febc MK |
3619 | sta->addr, bw); |
3620 | ||
3621 | err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, | |
3622 | WMI_PEER_CHAN_WIDTH, bw); | |
3623 | if (err) | |
7aa7a72a | 3624 | ath10k_warn(ar, "failed to update STA %pM peer bw %d: %d\n", |
9797febc MK |
3625 | sta->addr, bw, err); |
3626 | } | |
3627 | ||
3628 | if (changed & IEEE80211_RC_NSS_CHANGED) { | |
7aa7a72a | 3629 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM nss %d\n", |
9797febc MK |
3630 | sta->addr, nss); |
3631 | ||
3632 | err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, | |
3633 | WMI_PEER_NSS, nss); | |
3634 | if (err) | |
7aa7a72a | 3635 | ath10k_warn(ar, "failed to update STA %pM nss %d: %d\n", |
9797febc MK |
3636 | sta->addr, nss, err); |
3637 | } | |
3638 | ||
3639 | if (changed & IEEE80211_RC_SMPS_CHANGED) { | |
7aa7a72a | 3640 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM smps %d\n", |
9797febc MK |
3641 | sta->addr, smps); |
3642 | ||
3643 | err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, | |
3644 | WMI_PEER_SMPS_STATE, smps); | |
3645 | if (err) | |
7aa7a72a | 3646 | ath10k_warn(ar, "failed to update STA %pM smps %d: %d\n", |
9797febc MK |
3647 | sta->addr, smps, err); |
3648 | } | |
3649 | ||
44d6fa90 | 3650 | if (changed & IEEE80211_RC_SUPP_RATES_CHANGED) { |
7aa7a72a | 3651 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM supp rates\n", |
44d6fa90 CYY |
3652 | sta->addr); |
3653 | ||
590922a8 | 3654 | err = ath10k_station_assoc(ar, arvif->vif, sta, true); |
44d6fa90 | 3655 | if (err) |
7aa7a72a | 3656 | ath10k_warn(ar, "failed to reassociate station: %pM\n", |
44d6fa90 CYY |
3657 | sta->addr); |
3658 | } | |
3659 | ||
9797febc MK |
3660 | mutex_unlock(&ar->conf_mutex); |
3661 | } | |
3662 | ||
cfd1061e MK |
3663 | static int ath10k_mac_inc_num_stations(struct ath10k_vif *arvif) |
3664 | { | |
3665 | struct ath10k *ar = arvif->ar; | |
3666 | ||
3667 | lockdep_assert_held(&ar->conf_mutex); | |
3668 | ||
3669 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP && | |
3670 | arvif->vdev_type != WMI_VDEV_TYPE_IBSS) | |
3671 | return 0; | |
3672 | ||
3673 | if (ar->num_stations >= ar->max_num_stations) | |
3674 | return -ENOBUFS; | |
3675 | ||
3676 | ar->num_stations++; | |
3677 | ||
3678 | return 0; | |
3679 | } | |
3680 | ||
3681 | static void ath10k_mac_dec_num_stations(struct ath10k_vif *arvif) | |
3682 | { | |
3683 | struct ath10k *ar = arvif->ar; | |
3684 | ||
3685 | lockdep_assert_held(&ar->conf_mutex); | |
3686 | ||
3687 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP && | |
3688 | arvif->vdev_type != WMI_VDEV_TYPE_IBSS) | |
3689 | return; | |
3690 | ||
3691 | ar->num_stations--; | |
3692 | } | |
3693 | ||
5e3dd157 KV |
3694 | static int ath10k_sta_state(struct ieee80211_hw *hw, |
3695 | struct ieee80211_vif *vif, | |
3696 | struct ieee80211_sta *sta, | |
3697 | enum ieee80211_sta_state old_state, | |
3698 | enum ieee80211_sta_state new_state) | |
3699 | { | |
3700 | struct ath10k *ar = hw->priv; | |
3701 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
9797febc | 3702 | struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; |
5e3dd157 KV |
3703 | int ret = 0; |
3704 | ||
76f90024 MK |
3705 | if (old_state == IEEE80211_STA_NOTEXIST && |
3706 | new_state == IEEE80211_STA_NONE) { | |
3707 | memset(arsta, 0, sizeof(*arsta)); | |
3708 | arsta->arvif = arvif; | |
3709 | INIT_WORK(&arsta->update_wk, ath10k_sta_rc_update_wk); | |
3710 | } | |
3711 | ||
9797febc MK |
3712 | /* cancel must be done outside the mutex to avoid deadlock */ |
3713 | if ((old_state == IEEE80211_STA_NONE && | |
3714 | new_state == IEEE80211_STA_NOTEXIST)) | |
3715 | cancel_work_sync(&arsta->update_wk); | |
3716 | ||
5e3dd157 KV |
3717 | mutex_lock(&ar->conf_mutex); |
3718 | ||
3719 | if (old_state == IEEE80211_STA_NOTEXIST && | |
077efc8c | 3720 | new_state == IEEE80211_STA_NONE) { |
5e3dd157 KV |
3721 | /* |
3722 | * New station addition. | |
3723 | */ | |
cfd1061e MK |
3724 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
3725 | "mac vdev %d peer create %pM (new sta) sta %d / %d peer %d / %d\n", | |
3726 | arvif->vdev_id, sta->addr, | |
3727 | ar->num_stations + 1, ar->max_num_stations, | |
3728 | ar->num_peers + 1, ar->max_num_peers); | |
0e759f36 | 3729 | |
cfd1061e MK |
3730 | ret = ath10k_mac_inc_num_stations(arvif); |
3731 | if (ret) { | |
3732 | ath10k_warn(ar, "refusing to associate station: too many connected already (%d)\n", | |
3733 | ar->max_num_stations); | |
0e759f36 BM |
3734 | goto exit; |
3735 | } | |
3736 | ||
5e3dd157 | 3737 | ret = ath10k_peer_create(ar, arvif->vdev_id, sta->addr); |
a52c0282 | 3738 | if (ret) { |
7aa7a72a | 3739 | ath10k_warn(ar, "failed to add peer %pM for vdev %d when adding a new sta: %i\n", |
479398b0 | 3740 | sta->addr, arvif->vdev_id, ret); |
cfd1061e | 3741 | ath10k_mac_dec_num_stations(arvif); |
a52c0282 MK |
3742 | goto exit; |
3743 | } | |
077efc8c MK |
3744 | |
3745 | if (vif->type == NL80211_IFTYPE_STATION) { | |
3746 | WARN_ON(arvif->is_started); | |
3747 | ||
3748 | ret = ath10k_vdev_start(arvif); | |
3749 | if (ret) { | |
3750 | ath10k_warn(ar, "failed to start vdev %i: %d\n", | |
3751 | arvif->vdev_id, ret); | |
3752 | WARN_ON(ath10k_peer_delete(ar, arvif->vdev_id, | |
3753 | sta->addr)); | |
cfd1061e | 3754 | ath10k_mac_dec_num_stations(arvif); |
077efc8c MK |
3755 | goto exit; |
3756 | } | |
3757 | ||
3758 | arvif->is_started = true; | |
3759 | } | |
5e3dd157 KV |
3760 | } else if ((old_state == IEEE80211_STA_NONE && |
3761 | new_state == IEEE80211_STA_NOTEXIST)) { | |
3762 | /* | |
3763 | * Existing station deletion. | |
3764 | */ | |
7aa7a72a | 3765 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
3766 | "mac vdev %d peer delete %pM (sta gone)\n", |
3767 | arvif->vdev_id, sta->addr); | |
077efc8c MK |
3768 | |
3769 | if (vif->type == NL80211_IFTYPE_STATION) { | |
3770 | WARN_ON(!arvif->is_started); | |
3771 | ||
3772 | ret = ath10k_vdev_stop(arvif); | |
3773 | if (ret) | |
3774 | ath10k_warn(ar, "failed to stop vdev %i: %d\n", | |
3775 | arvif->vdev_id, ret); | |
3776 | ||
3777 | arvif->is_started = false; | |
3778 | } | |
3779 | ||
5e3dd157 KV |
3780 | ret = ath10k_peer_delete(ar, arvif->vdev_id, sta->addr); |
3781 | if (ret) | |
7aa7a72a | 3782 | ath10k_warn(ar, "failed to delete peer %pM for vdev %d: %i\n", |
69244e56 | 3783 | sta->addr, arvif->vdev_id, ret); |
5e3dd157 | 3784 | |
cfd1061e | 3785 | ath10k_mac_dec_num_stations(arvif); |
5e3dd157 KV |
3786 | } else if (old_state == IEEE80211_STA_AUTH && |
3787 | new_state == IEEE80211_STA_ASSOC && | |
3788 | (vif->type == NL80211_IFTYPE_AP || | |
3789 | vif->type == NL80211_IFTYPE_ADHOC)) { | |
3790 | /* | |
3791 | * New association. | |
3792 | */ | |
7aa7a72a | 3793 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM associated\n", |
60c3daa8 KV |
3794 | sta->addr); |
3795 | ||
590922a8 | 3796 | ret = ath10k_station_assoc(ar, vif, sta, false); |
5e3dd157 | 3797 | if (ret) |
7aa7a72a | 3798 | ath10k_warn(ar, "failed to associate station %pM for vdev %i: %i\n", |
69244e56 | 3799 | sta->addr, arvif->vdev_id, ret); |
5e3dd157 KV |
3800 | } else if (old_state == IEEE80211_STA_ASSOC && |
3801 | new_state == IEEE80211_STA_AUTH && | |
3802 | (vif->type == NL80211_IFTYPE_AP || | |
3803 | vif->type == NL80211_IFTYPE_ADHOC)) { | |
3804 | /* | |
3805 | * Disassociation. | |
3806 | */ | |
7aa7a72a | 3807 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM disassociated\n", |
60c3daa8 KV |
3808 | sta->addr); |
3809 | ||
590922a8 | 3810 | ret = ath10k_station_disassoc(ar, vif, sta); |
5e3dd157 | 3811 | if (ret) |
7aa7a72a | 3812 | ath10k_warn(ar, "failed to disassociate station: %pM vdev %i: %i\n", |
69244e56 | 3813 | sta->addr, arvif->vdev_id, ret); |
5e3dd157 | 3814 | } |
0e759f36 | 3815 | exit: |
5e3dd157 KV |
3816 | mutex_unlock(&ar->conf_mutex); |
3817 | return ret; | |
3818 | } | |
3819 | ||
3820 | static int ath10k_conf_tx_uapsd(struct ath10k *ar, struct ieee80211_vif *vif, | |
5b07e07f | 3821 | u16 ac, bool enable) |
5e3dd157 KV |
3822 | { |
3823 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
3824 | u32 value = 0; | |
3825 | int ret = 0; | |
3826 | ||
548db54c MK |
3827 | lockdep_assert_held(&ar->conf_mutex); |
3828 | ||
5e3dd157 KV |
3829 | if (arvif->vdev_type != WMI_VDEV_TYPE_STA) |
3830 | return 0; | |
3831 | ||
3832 | switch (ac) { | |
3833 | case IEEE80211_AC_VO: | |
3834 | value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN | | |
3835 | WMI_STA_PS_UAPSD_AC3_TRIGGER_EN; | |
3836 | break; | |
3837 | case IEEE80211_AC_VI: | |
3838 | value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN | | |
3839 | WMI_STA_PS_UAPSD_AC2_TRIGGER_EN; | |
3840 | break; | |
3841 | case IEEE80211_AC_BE: | |
3842 | value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN | | |
3843 | WMI_STA_PS_UAPSD_AC1_TRIGGER_EN; | |
3844 | break; | |
3845 | case IEEE80211_AC_BK: | |
3846 | value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN | | |
3847 | WMI_STA_PS_UAPSD_AC0_TRIGGER_EN; | |
3848 | break; | |
3849 | } | |
3850 | ||
3851 | if (enable) | |
3852 | arvif->u.sta.uapsd |= value; | |
3853 | else | |
3854 | arvif->u.sta.uapsd &= ~value; | |
3855 | ||
3856 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
3857 | WMI_STA_PS_PARAM_UAPSD, | |
3858 | arvif->u.sta.uapsd); | |
3859 | if (ret) { | |
7aa7a72a | 3860 | ath10k_warn(ar, "failed to set uapsd params: %d\n", ret); |
5e3dd157 KV |
3861 | goto exit; |
3862 | } | |
3863 | ||
3864 | if (arvif->u.sta.uapsd) | |
3865 | value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD; | |
3866 | else | |
3867 | value = WMI_STA_PS_RX_WAKE_POLICY_WAKE; | |
3868 | ||
3869 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
3870 | WMI_STA_PS_PARAM_RX_WAKE_POLICY, | |
3871 | value); | |
3872 | if (ret) | |
7aa7a72a | 3873 | ath10k_warn(ar, "failed to set rx wake param: %d\n", ret); |
5e3dd157 | 3874 | |
9f9b5746 MK |
3875 | ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif); |
3876 | if (ret) { | |
3877 | ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n", | |
3878 | arvif->vdev_id, ret); | |
3879 | return ret; | |
3880 | } | |
3881 | ||
3882 | ret = ath10k_mac_vif_recalc_ps_poll_count(arvif); | |
3883 | if (ret) { | |
3884 | ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n", | |
3885 | arvif->vdev_id, ret); | |
3886 | return ret; | |
3887 | } | |
3888 | ||
5e3dd157 KV |
3889 | exit: |
3890 | return ret; | |
3891 | } | |
3892 | ||
3893 | static int ath10k_conf_tx(struct ieee80211_hw *hw, | |
3894 | struct ieee80211_vif *vif, u16 ac, | |
3895 | const struct ieee80211_tx_queue_params *params) | |
3896 | { | |
3897 | struct ath10k *ar = hw->priv; | |
3898 | struct wmi_wmm_params_arg *p = NULL; | |
3899 | int ret; | |
3900 | ||
3901 | mutex_lock(&ar->conf_mutex); | |
3902 | ||
3903 | switch (ac) { | |
3904 | case IEEE80211_AC_VO: | |
3905 | p = &ar->wmm_params.ac_vo; | |
3906 | break; | |
3907 | case IEEE80211_AC_VI: | |
3908 | p = &ar->wmm_params.ac_vi; | |
3909 | break; | |
3910 | case IEEE80211_AC_BE: | |
3911 | p = &ar->wmm_params.ac_be; | |
3912 | break; | |
3913 | case IEEE80211_AC_BK: | |
3914 | p = &ar->wmm_params.ac_bk; | |
3915 | break; | |
3916 | } | |
3917 | ||
3918 | if (WARN_ON(!p)) { | |
3919 | ret = -EINVAL; | |
3920 | goto exit; | |
3921 | } | |
3922 | ||
3923 | p->cwmin = params->cw_min; | |
3924 | p->cwmax = params->cw_max; | |
3925 | p->aifs = params->aifs; | |
3926 | ||
3927 | /* | |
3928 | * The channel time duration programmed in the HW is in absolute | |
3929 | * microseconds, while mac80211 gives the txop in units of | |
3930 | * 32 microseconds. | |
3931 | */ | |
3932 | p->txop = params->txop * 32; | |
3933 | ||
3934 | /* FIXME: FW accepts wmm params per hw, not per vif */ | |
3935 | ret = ath10k_wmi_pdev_set_wmm_params(ar, &ar->wmm_params); | |
3936 | if (ret) { | |
7aa7a72a | 3937 | ath10k_warn(ar, "failed to set wmm params: %d\n", ret); |
5e3dd157 KV |
3938 | goto exit; |
3939 | } | |
3940 | ||
3941 | ret = ath10k_conf_tx_uapsd(ar, vif, ac, params->uapsd); | |
3942 | if (ret) | |
7aa7a72a | 3943 | ath10k_warn(ar, "failed to set sta uapsd: %d\n", ret); |
5e3dd157 KV |
3944 | |
3945 | exit: | |
3946 | mutex_unlock(&ar->conf_mutex); | |
3947 | return ret; | |
3948 | } | |
3949 | ||
3950 | #define ATH10K_ROC_TIMEOUT_HZ (2*HZ) | |
3951 | ||
3952 | static int ath10k_remain_on_channel(struct ieee80211_hw *hw, | |
3953 | struct ieee80211_vif *vif, | |
3954 | struct ieee80211_channel *chan, | |
3955 | int duration, | |
3956 | enum ieee80211_roc_type type) | |
3957 | { | |
3958 | struct ath10k *ar = hw->priv; | |
3959 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
3960 | struct wmi_start_scan_arg arg; | |
5c81c7fd | 3961 | int ret = 0; |
5e3dd157 KV |
3962 | |
3963 | mutex_lock(&ar->conf_mutex); | |
3964 | ||
3965 | spin_lock_bh(&ar->data_lock); | |
5c81c7fd MK |
3966 | switch (ar->scan.state) { |
3967 | case ATH10K_SCAN_IDLE: | |
3968 | reinit_completion(&ar->scan.started); | |
3969 | reinit_completion(&ar->scan.completed); | |
3970 | reinit_completion(&ar->scan.on_channel); | |
3971 | ar->scan.state = ATH10K_SCAN_STARTING; | |
3972 | ar->scan.is_roc = true; | |
3973 | ar->scan.vdev_id = arvif->vdev_id; | |
3974 | ar->scan.roc_freq = chan->center_freq; | |
3975 | ret = 0; | |
3976 | break; | |
3977 | case ATH10K_SCAN_STARTING: | |
3978 | case ATH10K_SCAN_RUNNING: | |
3979 | case ATH10K_SCAN_ABORTING: | |
5e3dd157 | 3980 | ret = -EBUSY; |
5c81c7fd | 3981 | break; |
5e3dd157 | 3982 | } |
5e3dd157 KV |
3983 | spin_unlock_bh(&ar->data_lock); |
3984 | ||
5c81c7fd MK |
3985 | if (ret) |
3986 | goto exit; | |
3987 | ||
dcca0bdb MK |
3988 | duration = max(duration, WMI_SCAN_CHAN_MIN_TIME_MSEC); |
3989 | ||
5e3dd157 KV |
3990 | memset(&arg, 0, sizeof(arg)); |
3991 | ath10k_wmi_start_scan_init(ar, &arg); | |
3992 | arg.vdev_id = arvif->vdev_id; | |
3993 | arg.scan_id = ATH10K_SCAN_ID; | |
3994 | arg.n_channels = 1; | |
3995 | arg.channels[0] = chan->center_freq; | |
3996 | arg.dwell_time_active = duration; | |
3997 | arg.dwell_time_passive = duration; | |
3998 | arg.max_scan_time = 2 * duration; | |
3999 | arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE; | |
4000 | arg.scan_ctrl_flags |= WMI_SCAN_FILTER_PROBE_REQ; | |
4001 | ||
4002 | ret = ath10k_start_scan(ar, &arg); | |
4003 | if (ret) { | |
7aa7a72a | 4004 | ath10k_warn(ar, "failed to start roc scan: %d\n", ret); |
5e3dd157 | 4005 | spin_lock_bh(&ar->data_lock); |
5c81c7fd | 4006 | ar->scan.state = ATH10K_SCAN_IDLE; |
5e3dd157 KV |
4007 | spin_unlock_bh(&ar->data_lock); |
4008 | goto exit; | |
4009 | } | |
4010 | ||
4011 | ret = wait_for_completion_timeout(&ar->scan.on_channel, 3*HZ); | |
4012 | if (ret == 0) { | |
7aa7a72a | 4013 | ath10k_warn(ar, "failed to switch to channel for roc scan\n"); |
5c81c7fd MK |
4014 | |
4015 | ret = ath10k_scan_stop(ar); | |
4016 | if (ret) | |
7aa7a72a | 4017 | ath10k_warn(ar, "failed to stop scan: %d\n", ret); |
5c81c7fd | 4018 | |
5e3dd157 KV |
4019 | ret = -ETIMEDOUT; |
4020 | goto exit; | |
4021 | } | |
4022 | ||
4023 | ret = 0; | |
4024 | exit: | |
4025 | mutex_unlock(&ar->conf_mutex); | |
4026 | return ret; | |
4027 | } | |
4028 | ||
4029 | static int ath10k_cancel_remain_on_channel(struct ieee80211_hw *hw) | |
4030 | { | |
4031 | struct ath10k *ar = hw->priv; | |
4032 | ||
4033 | mutex_lock(&ar->conf_mutex); | |
5c81c7fd | 4034 | ath10k_scan_abort(ar); |
5e3dd157 KV |
4035 | mutex_unlock(&ar->conf_mutex); |
4036 | ||
4eb2e164 MK |
4037 | cancel_delayed_work_sync(&ar->scan.timeout); |
4038 | ||
5e3dd157 KV |
4039 | return 0; |
4040 | } | |
4041 | ||
4042 | /* | |
4043 | * Both RTS and Fragmentation threshold are interface-specific | |
4044 | * in ath10k, but device-specific in mac80211. | |
4045 | */ | |
5e3dd157 | 4046 | |
ad088bfa MK |
4047 | static int ath10k_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
4048 | { | |
4049 | struct ath10k *ar = hw->priv; | |
4050 | struct ath10k_vif *arvif; | |
4051 | int ret = 0; | |
548db54c | 4052 | |
5e3dd157 | 4053 | mutex_lock(&ar->conf_mutex); |
ad088bfa | 4054 | list_for_each_entry(arvif, &ar->arvifs, list) { |
7aa7a72a | 4055 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d rts threshold %d\n", |
ad088bfa MK |
4056 | arvif->vdev_id, value); |
4057 | ||
4058 | ret = ath10k_mac_set_rts(arvif, value); | |
4059 | if (ret) { | |
7aa7a72a | 4060 | ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n", |
ad088bfa MK |
4061 | arvif->vdev_id, ret); |
4062 | break; | |
4063 | } | |
4064 | } | |
5e3dd157 KV |
4065 | mutex_unlock(&ar->conf_mutex); |
4066 | ||
ad088bfa | 4067 | return ret; |
5e3dd157 KV |
4068 | } |
4069 | ||
77be2c54 EG |
4070 | static void ath10k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
4071 | u32 queues, bool drop) | |
5e3dd157 KV |
4072 | { |
4073 | struct ath10k *ar = hw->priv; | |
affd3217 | 4074 | bool skip; |
5e3dd157 KV |
4075 | int ret; |
4076 | ||
4077 | /* mac80211 doesn't care if we really xmit queued frames or not | |
4078 | * we'll collect those frames either way if we stop/delete vdevs */ | |
4079 | if (drop) | |
4080 | return; | |
4081 | ||
548db54c MK |
4082 | mutex_lock(&ar->conf_mutex); |
4083 | ||
affd3217 MK |
4084 | if (ar->state == ATH10K_STATE_WEDGED) |
4085 | goto skip; | |
4086 | ||
edb8236d | 4087 | ret = wait_event_timeout(ar->htt.empty_tx_wq, ({ |
5e3dd157 | 4088 | bool empty; |
affd3217 | 4089 | |
edb8236d | 4090 | spin_lock_bh(&ar->htt.tx_lock); |
0945baf7 | 4091 | empty = (ar->htt.num_pending_tx == 0); |
edb8236d | 4092 | spin_unlock_bh(&ar->htt.tx_lock); |
affd3217 | 4093 | |
7962b0d8 MK |
4094 | skip = (ar->state == ATH10K_STATE_WEDGED) || |
4095 | test_bit(ATH10K_FLAG_CRASH_FLUSH, | |
4096 | &ar->dev_flags); | |
affd3217 MK |
4097 | |
4098 | (empty || skip); | |
5e3dd157 | 4099 | }), ATH10K_FLUSH_TIMEOUT_HZ); |
affd3217 MK |
4100 | |
4101 | if (ret <= 0 || skip) | |
7aa7a72a | 4102 | ath10k_warn(ar, "failed to flush transmit queue (skip %i ar-state %i): %i\n", |
9ba4c787 | 4103 | skip, ar->state, ret); |
548db54c | 4104 | |
affd3217 | 4105 | skip: |
548db54c | 4106 | mutex_unlock(&ar->conf_mutex); |
5e3dd157 KV |
4107 | } |
4108 | ||
4109 | /* TODO: Implement this function properly | |
4110 | * For now it is needed to reply to Probe Requests in IBSS mode. | |
4111 | * Propably we need this information from FW. | |
4112 | */ | |
4113 | static int ath10k_tx_last_beacon(struct ieee80211_hw *hw) | |
4114 | { | |
4115 | return 1; | |
4116 | } | |
4117 | ||
8cd13cad MK |
4118 | #ifdef CONFIG_PM |
4119 | static int ath10k_suspend(struct ieee80211_hw *hw, | |
4120 | struct cfg80211_wowlan *wowlan) | |
4121 | { | |
4122 | struct ath10k *ar = hw->priv; | |
4123 | int ret; | |
4124 | ||
9042e17d MP |
4125 | mutex_lock(&ar->conf_mutex); |
4126 | ||
00f5482b | 4127 | ret = ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND); |
8cd13cad | 4128 | if (ret) { |
00f5482b MP |
4129 | if (ret == -ETIMEDOUT) |
4130 | goto resume; | |
9042e17d MP |
4131 | ret = 1; |
4132 | goto exit; | |
8cd13cad MK |
4133 | } |
4134 | ||
8cd13cad MK |
4135 | ret = ath10k_hif_suspend(ar); |
4136 | if (ret) { | |
7aa7a72a | 4137 | ath10k_warn(ar, "failed to suspend hif: %d\n", ret); |
8cd13cad MK |
4138 | goto resume; |
4139 | } | |
4140 | ||
9042e17d MP |
4141 | ret = 0; |
4142 | goto exit; | |
8cd13cad MK |
4143 | resume: |
4144 | ret = ath10k_wmi_pdev_resume_target(ar); | |
4145 | if (ret) | |
7aa7a72a | 4146 | ath10k_warn(ar, "failed to resume target: %d\n", ret); |
9042e17d MP |
4147 | |
4148 | ret = 1; | |
4149 | exit: | |
4150 | mutex_unlock(&ar->conf_mutex); | |
4151 | return ret; | |
8cd13cad MK |
4152 | } |
4153 | ||
4154 | static int ath10k_resume(struct ieee80211_hw *hw) | |
4155 | { | |
4156 | struct ath10k *ar = hw->priv; | |
4157 | int ret; | |
4158 | ||
9042e17d MP |
4159 | mutex_lock(&ar->conf_mutex); |
4160 | ||
8cd13cad MK |
4161 | ret = ath10k_hif_resume(ar); |
4162 | if (ret) { | |
7aa7a72a | 4163 | ath10k_warn(ar, "failed to resume hif: %d\n", ret); |
9042e17d MP |
4164 | ret = 1; |
4165 | goto exit; | |
8cd13cad MK |
4166 | } |
4167 | ||
4168 | ret = ath10k_wmi_pdev_resume_target(ar); | |
4169 | if (ret) { | |
7aa7a72a | 4170 | ath10k_warn(ar, "failed to resume target: %d\n", ret); |
9042e17d MP |
4171 | ret = 1; |
4172 | goto exit; | |
8cd13cad MK |
4173 | } |
4174 | ||
9042e17d MP |
4175 | ret = 0; |
4176 | exit: | |
4177 | mutex_unlock(&ar->conf_mutex); | |
4178 | return ret; | |
8cd13cad MK |
4179 | } |
4180 | #endif | |
4181 | ||
cf2c92d8 EP |
4182 | static void ath10k_reconfig_complete(struct ieee80211_hw *hw, |
4183 | enum ieee80211_reconfig_type reconfig_type) | |
affd3217 MK |
4184 | { |
4185 | struct ath10k *ar = hw->priv; | |
4186 | ||
cf2c92d8 EP |
4187 | if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART) |
4188 | return; | |
4189 | ||
affd3217 MK |
4190 | mutex_lock(&ar->conf_mutex); |
4191 | ||
4192 | /* If device failed to restart it will be in a different state, e.g. | |
4193 | * ATH10K_STATE_WEDGED */ | |
4194 | if (ar->state == ATH10K_STATE_RESTARTED) { | |
7aa7a72a | 4195 | ath10k_info(ar, "device successfully recovered\n"); |
affd3217 | 4196 | ar->state = ATH10K_STATE_ON; |
7962b0d8 | 4197 | ieee80211_wake_queues(ar->hw); |
affd3217 MK |
4198 | } |
4199 | ||
4200 | mutex_unlock(&ar->conf_mutex); | |
4201 | } | |
4202 | ||
2e1dea40 MK |
4203 | static int ath10k_get_survey(struct ieee80211_hw *hw, int idx, |
4204 | struct survey_info *survey) | |
4205 | { | |
4206 | struct ath10k *ar = hw->priv; | |
4207 | struct ieee80211_supported_band *sband; | |
4208 | struct survey_info *ar_survey = &ar->survey[idx]; | |
4209 | int ret = 0; | |
4210 | ||
4211 | mutex_lock(&ar->conf_mutex); | |
4212 | ||
4213 | sband = hw->wiphy->bands[IEEE80211_BAND_2GHZ]; | |
4214 | if (sband && idx >= sband->n_channels) { | |
4215 | idx -= sband->n_channels; | |
4216 | sband = NULL; | |
4217 | } | |
4218 | ||
4219 | if (!sband) | |
4220 | sband = hw->wiphy->bands[IEEE80211_BAND_5GHZ]; | |
4221 | ||
4222 | if (!sband || idx >= sband->n_channels) { | |
4223 | ret = -ENOENT; | |
4224 | goto exit; | |
4225 | } | |
4226 | ||
4227 | spin_lock_bh(&ar->data_lock); | |
4228 | memcpy(survey, ar_survey, sizeof(*survey)); | |
4229 | spin_unlock_bh(&ar->data_lock); | |
4230 | ||
4231 | survey->channel = &sband->channels[idx]; | |
4232 | ||
fa1d4df8 FF |
4233 | if (ar->rx_channel == survey->channel) |
4234 | survey->filled |= SURVEY_INFO_IN_USE; | |
4235 | ||
2e1dea40 MK |
4236 | exit: |
4237 | mutex_unlock(&ar->conf_mutex); | |
4238 | return ret; | |
4239 | } | |
4240 | ||
51ab1a0a JD |
4241 | /* Helper table for legacy fixed_rate/bitrate_mask */ |
4242 | static const u8 cck_ofdm_rate[] = { | |
4243 | /* CCK */ | |
4244 | 3, /* 1Mbps */ | |
4245 | 2, /* 2Mbps */ | |
4246 | 1, /* 5.5Mbps */ | |
4247 | 0, /* 11Mbps */ | |
4248 | /* OFDM */ | |
4249 | 3, /* 6Mbps */ | |
4250 | 7, /* 9Mbps */ | |
4251 | 2, /* 12Mbps */ | |
4252 | 6, /* 18Mbps */ | |
4253 | 1, /* 24Mbps */ | |
4254 | 5, /* 36Mbps */ | |
4255 | 0, /* 48Mbps */ | |
4256 | 4, /* 54Mbps */ | |
4257 | }; | |
4258 | ||
4259 | /* Check if only one bit set */ | |
4260 | static int ath10k_check_single_mask(u32 mask) | |
4261 | { | |
4262 | int bit; | |
4263 | ||
4264 | bit = ffs(mask); | |
4265 | if (!bit) | |
4266 | return 0; | |
4267 | ||
4268 | mask &= ~BIT(bit - 1); | |
4269 | if (mask) | |
4270 | return 2; | |
4271 | ||
4272 | return 1; | |
4273 | } | |
4274 | ||
4275 | static bool | |
4276 | ath10k_default_bitrate_mask(struct ath10k *ar, | |
4277 | enum ieee80211_band band, | |
4278 | const struct cfg80211_bitrate_mask *mask) | |
4279 | { | |
4280 | u32 legacy = 0x00ff; | |
4281 | u8 ht = 0xff, i; | |
4282 | u16 vht = 0x3ff; | |
b116ea19 BG |
4283 | u16 nrf = ar->num_rf_chains; |
4284 | ||
4285 | if (ar->cfg_tx_chainmask) | |
4286 | nrf = get_nss_from_chainmask(ar->cfg_tx_chainmask); | |
51ab1a0a JD |
4287 | |
4288 | switch (band) { | |
4289 | case IEEE80211_BAND_2GHZ: | |
4290 | legacy = 0x00fff; | |
4291 | vht = 0; | |
4292 | break; | |
4293 | case IEEE80211_BAND_5GHZ: | |
4294 | break; | |
4295 | default: | |
4296 | return false; | |
4297 | } | |
4298 | ||
4299 | if (mask->control[band].legacy != legacy) | |
4300 | return false; | |
4301 | ||
b116ea19 | 4302 | for (i = 0; i < nrf; i++) |
51ab1a0a JD |
4303 | if (mask->control[band].ht_mcs[i] != ht) |
4304 | return false; | |
4305 | ||
b116ea19 | 4306 | for (i = 0; i < nrf; i++) |
51ab1a0a JD |
4307 | if (mask->control[band].vht_mcs[i] != vht) |
4308 | return false; | |
4309 | ||
4310 | return true; | |
4311 | } | |
4312 | ||
4313 | static bool | |
4314 | ath10k_bitrate_mask_nss(const struct cfg80211_bitrate_mask *mask, | |
4315 | enum ieee80211_band band, | |
4316 | u8 *fixed_nss) | |
4317 | { | |
4318 | int ht_nss = 0, vht_nss = 0, i; | |
4319 | ||
4320 | /* check legacy */ | |
4321 | if (ath10k_check_single_mask(mask->control[band].legacy)) | |
4322 | return false; | |
4323 | ||
4324 | /* check HT */ | |
4325 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) { | |
4326 | if (mask->control[band].ht_mcs[i] == 0xff) | |
4327 | continue; | |
4328 | else if (mask->control[band].ht_mcs[i] == 0x00) | |
4329 | break; | |
d8bb26b9 KV |
4330 | |
4331 | return false; | |
51ab1a0a JD |
4332 | } |
4333 | ||
4334 | ht_nss = i; | |
4335 | ||
4336 | /* check VHT */ | |
4337 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
4338 | if (mask->control[band].vht_mcs[i] == 0x03ff) | |
4339 | continue; | |
4340 | else if (mask->control[band].vht_mcs[i] == 0x0000) | |
4341 | break; | |
d8bb26b9 KV |
4342 | |
4343 | return false; | |
51ab1a0a JD |
4344 | } |
4345 | ||
4346 | vht_nss = i; | |
4347 | ||
4348 | if (ht_nss > 0 && vht_nss > 0) | |
4349 | return false; | |
4350 | ||
4351 | if (ht_nss) | |
4352 | *fixed_nss = ht_nss; | |
4353 | else if (vht_nss) | |
4354 | *fixed_nss = vht_nss; | |
4355 | else | |
4356 | return false; | |
4357 | ||
4358 | return true; | |
4359 | } | |
4360 | ||
4361 | static bool | |
4362 | ath10k_bitrate_mask_correct(const struct cfg80211_bitrate_mask *mask, | |
4363 | enum ieee80211_band band, | |
4364 | enum wmi_rate_preamble *preamble) | |
4365 | { | |
4366 | int legacy = 0, ht = 0, vht = 0, i; | |
4367 | ||
4368 | *preamble = WMI_RATE_PREAMBLE_OFDM; | |
4369 | ||
4370 | /* check legacy */ | |
4371 | legacy = ath10k_check_single_mask(mask->control[band].legacy); | |
4372 | if (legacy > 1) | |
4373 | return false; | |
4374 | ||
4375 | /* check HT */ | |
4376 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
4377 | ht += ath10k_check_single_mask(mask->control[band].ht_mcs[i]); | |
4378 | if (ht > 1) | |
4379 | return false; | |
4380 | ||
4381 | /* check VHT */ | |
4382 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) | |
4383 | vht += ath10k_check_single_mask(mask->control[band].vht_mcs[i]); | |
4384 | if (vht > 1) | |
4385 | return false; | |
4386 | ||
4387 | /* Currently we support only one fixed_rate */ | |
4388 | if ((legacy + ht + vht) != 1) | |
4389 | return false; | |
4390 | ||
4391 | if (ht) | |
4392 | *preamble = WMI_RATE_PREAMBLE_HT; | |
4393 | else if (vht) | |
4394 | *preamble = WMI_RATE_PREAMBLE_VHT; | |
4395 | ||
4396 | return true; | |
4397 | } | |
4398 | ||
4399 | static bool | |
7aa7a72a MK |
4400 | ath10k_bitrate_mask_rate(struct ath10k *ar, |
4401 | const struct cfg80211_bitrate_mask *mask, | |
51ab1a0a JD |
4402 | enum ieee80211_band band, |
4403 | u8 *fixed_rate, | |
4404 | u8 *fixed_nss) | |
4405 | { | |
4406 | u8 rate = 0, pream = 0, nss = 0, i; | |
4407 | enum wmi_rate_preamble preamble; | |
4408 | ||
4409 | /* Check if single rate correct */ | |
4410 | if (!ath10k_bitrate_mask_correct(mask, band, &preamble)) | |
4411 | return false; | |
4412 | ||
4413 | pream = preamble; | |
4414 | ||
4415 | switch (preamble) { | |
4416 | case WMI_RATE_PREAMBLE_CCK: | |
4417 | case WMI_RATE_PREAMBLE_OFDM: | |
4418 | i = ffs(mask->control[band].legacy) - 1; | |
4419 | ||
4420 | if (band == IEEE80211_BAND_2GHZ && i < 4) | |
4421 | pream = WMI_RATE_PREAMBLE_CCK; | |
4422 | ||
4423 | if (band == IEEE80211_BAND_5GHZ) | |
4424 | i += 4; | |
4425 | ||
4426 | if (i >= ARRAY_SIZE(cck_ofdm_rate)) | |
4427 | return false; | |
4428 | ||
4429 | rate = cck_ofdm_rate[i]; | |
4430 | break; | |
4431 | case WMI_RATE_PREAMBLE_HT: | |
4432 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
4433 | if (mask->control[band].ht_mcs[i]) | |
4434 | break; | |
4435 | ||
4436 | if (i == IEEE80211_HT_MCS_MASK_LEN) | |
4437 | return false; | |
4438 | ||
4439 | rate = ffs(mask->control[band].ht_mcs[i]) - 1; | |
4440 | nss = i; | |
4441 | break; | |
4442 | case WMI_RATE_PREAMBLE_VHT: | |
4443 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) | |
4444 | if (mask->control[band].vht_mcs[i]) | |
4445 | break; | |
4446 | ||
4447 | if (i == NL80211_VHT_NSS_MAX) | |
4448 | return false; | |
4449 | ||
4450 | rate = ffs(mask->control[band].vht_mcs[i]) - 1; | |
4451 | nss = i; | |
4452 | break; | |
4453 | } | |
4454 | ||
4455 | *fixed_nss = nss + 1; | |
4456 | nss <<= 4; | |
4457 | pream <<= 6; | |
4458 | ||
7aa7a72a | 4459 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac fixed rate pream 0x%02x nss 0x%02x rate 0x%02x\n", |
51ab1a0a JD |
4460 | pream, nss, rate); |
4461 | ||
4462 | *fixed_rate = pream | nss | rate; | |
4463 | ||
4464 | return true; | |
4465 | } | |
4466 | ||
7aa7a72a MK |
4467 | static bool ath10k_get_fixed_rate_nss(struct ath10k *ar, |
4468 | const struct cfg80211_bitrate_mask *mask, | |
51ab1a0a JD |
4469 | enum ieee80211_band band, |
4470 | u8 *fixed_rate, | |
4471 | u8 *fixed_nss) | |
4472 | { | |
4473 | /* First check full NSS mask, if we can simply limit NSS */ | |
4474 | if (ath10k_bitrate_mask_nss(mask, band, fixed_nss)) | |
4475 | return true; | |
4476 | ||
4477 | /* Next Check single rate is set */ | |
7aa7a72a | 4478 | return ath10k_bitrate_mask_rate(ar, mask, band, fixed_rate, fixed_nss); |
51ab1a0a JD |
4479 | } |
4480 | ||
4481 | static int ath10k_set_fixed_rate_param(struct ath10k_vif *arvif, | |
4482 | u8 fixed_rate, | |
9f81f725 JD |
4483 | u8 fixed_nss, |
4484 | u8 force_sgi) | |
51ab1a0a JD |
4485 | { |
4486 | struct ath10k *ar = arvif->ar; | |
4487 | u32 vdev_param; | |
4488 | int ret = 0; | |
4489 | ||
4490 | mutex_lock(&ar->conf_mutex); | |
4491 | ||
4492 | if (arvif->fixed_rate == fixed_rate && | |
9f81f725 JD |
4493 | arvif->fixed_nss == fixed_nss && |
4494 | arvif->force_sgi == force_sgi) | |
51ab1a0a JD |
4495 | goto exit; |
4496 | ||
4497 | if (fixed_rate == WMI_FIXED_RATE_NONE) | |
7aa7a72a | 4498 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac disable fixed bitrate mask\n"); |
51ab1a0a | 4499 | |
9f81f725 | 4500 | if (force_sgi) |
7aa7a72a | 4501 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac force sgi\n"); |
9f81f725 | 4502 | |
51ab1a0a JD |
4503 | vdev_param = ar->wmi.vdev_param->fixed_rate; |
4504 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, | |
4505 | vdev_param, fixed_rate); | |
4506 | if (ret) { | |
7aa7a72a | 4507 | ath10k_warn(ar, "failed to set fixed rate param 0x%02x: %d\n", |
51ab1a0a JD |
4508 | fixed_rate, ret); |
4509 | ret = -EINVAL; | |
4510 | goto exit; | |
4511 | } | |
4512 | ||
4513 | arvif->fixed_rate = fixed_rate; | |
4514 | ||
4515 | vdev_param = ar->wmi.vdev_param->nss; | |
4516 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, | |
4517 | vdev_param, fixed_nss); | |
4518 | ||
4519 | if (ret) { | |
7aa7a72a | 4520 | ath10k_warn(ar, "failed to set fixed nss param %d: %d\n", |
51ab1a0a JD |
4521 | fixed_nss, ret); |
4522 | ret = -EINVAL; | |
4523 | goto exit; | |
4524 | } | |
4525 | ||
4526 | arvif->fixed_nss = fixed_nss; | |
4527 | ||
9f81f725 JD |
4528 | vdev_param = ar->wmi.vdev_param->sgi; |
4529 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
4530 | force_sgi); | |
4531 | ||
4532 | if (ret) { | |
7aa7a72a | 4533 | ath10k_warn(ar, "failed to set sgi param %d: %d\n", |
9f81f725 JD |
4534 | force_sgi, ret); |
4535 | ret = -EINVAL; | |
4536 | goto exit; | |
4537 | } | |
4538 | ||
4539 | arvif->force_sgi = force_sgi; | |
4540 | ||
51ab1a0a JD |
4541 | exit: |
4542 | mutex_unlock(&ar->conf_mutex); | |
4543 | return ret; | |
4544 | } | |
4545 | ||
4546 | static int ath10k_set_bitrate_mask(struct ieee80211_hw *hw, | |
4547 | struct ieee80211_vif *vif, | |
4548 | const struct cfg80211_bitrate_mask *mask) | |
4549 | { | |
4550 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
4551 | struct ath10k *ar = arvif->ar; | |
4552 | enum ieee80211_band band = ar->hw->conf.chandef.chan->band; | |
4553 | u8 fixed_rate = WMI_FIXED_RATE_NONE; | |
4554 | u8 fixed_nss = ar->num_rf_chains; | |
9f81f725 JD |
4555 | u8 force_sgi; |
4556 | ||
b116ea19 BG |
4557 | if (ar->cfg_tx_chainmask) |
4558 | fixed_nss = get_nss_from_chainmask(ar->cfg_tx_chainmask); | |
4559 | ||
9f81f725 JD |
4560 | force_sgi = mask->control[band].gi; |
4561 | if (force_sgi == NL80211_TXRATE_FORCE_LGI) | |
4562 | return -EINVAL; | |
51ab1a0a JD |
4563 | |
4564 | if (!ath10k_default_bitrate_mask(ar, band, mask)) { | |
7aa7a72a | 4565 | if (!ath10k_get_fixed_rate_nss(ar, mask, band, |
51ab1a0a JD |
4566 | &fixed_rate, |
4567 | &fixed_nss)) | |
4568 | return -EINVAL; | |
4569 | } | |
4570 | ||
9f81f725 | 4571 | if (fixed_rate == WMI_FIXED_RATE_NONE && force_sgi) { |
7aa7a72a | 4572 | ath10k_warn(ar, "failed to force SGI usage for default rate settings\n"); |
9f81f725 JD |
4573 | return -EINVAL; |
4574 | } | |
4575 | ||
4576 | return ath10k_set_fixed_rate_param(arvif, fixed_rate, | |
4577 | fixed_nss, force_sgi); | |
51ab1a0a JD |
4578 | } |
4579 | ||
9797febc MK |
4580 | static void ath10k_sta_rc_update(struct ieee80211_hw *hw, |
4581 | struct ieee80211_vif *vif, | |
4582 | struct ieee80211_sta *sta, | |
4583 | u32 changed) | |
4584 | { | |
4585 | struct ath10k *ar = hw->priv; | |
4586 | struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; | |
4587 | u32 bw, smps; | |
4588 | ||
4589 | spin_lock_bh(&ar->data_lock); | |
4590 | ||
7aa7a72a | 4591 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
9797febc MK |
4592 | "mac sta rc update for %pM changed %08x bw %d nss %d smps %d\n", |
4593 | sta->addr, changed, sta->bandwidth, sta->rx_nss, | |
4594 | sta->smps_mode); | |
4595 | ||
4596 | if (changed & IEEE80211_RC_BW_CHANGED) { | |
4597 | bw = WMI_PEER_CHWIDTH_20MHZ; | |
4598 | ||
4599 | switch (sta->bandwidth) { | |
4600 | case IEEE80211_STA_RX_BW_20: | |
4601 | bw = WMI_PEER_CHWIDTH_20MHZ; | |
4602 | break; | |
4603 | case IEEE80211_STA_RX_BW_40: | |
4604 | bw = WMI_PEER_CHWIDTH_40MHZ; | |
4605 | break; | |
4606 | case IEEE80211_STA_RX_BW_80: | |
4607 | bw = WMI_PEER_CHWIDTH_80MHZ; | |
4608 | break; | |
4609 | case IEEE80211_STA_RX_BW_160: | |
7aa7a72a | 4610 | ath10k_warn(ar, "Invalid bandwith %d in rc update for %pM\n", |
be6546fc | 4611 | sta->bandwidth, sta->addr); |
9797febc MK |
4612 | bw = WMI_PEER_CHWIDTH_20MHZ; |
4613 | break; | |
4614 | } | |
4615 | ||
4616 | arsta->bw = bw; | |
4617 | } | |
4618 | ||
4619 | if (changed & IEEE80211_RC_NSS_CHANGED) | |
4620 | arsta->nss = sta->rx_nss; | |
4621 | ||
4622 | if (changed & IEEE80211_RC_SMPS_CHANGED) { | |
4623 | smps = WMI_PEER_SMPS_PS_NONE; | |
4624 | ||
4625 | switch (sta->smps_mode) { | |
4626 | case IEEE80211_SMPS_AUTOMATIC: | |
4627 | case IEEE80211_SMPS_OFF: | |
4628 | smps = WMI_PEER_SMPS_PS_NONE; | |
4629 | break; | |
4630 | case IEEE80211_SMPS_STATIC: | |
4631 | smps = WMI_PEER_SMPS_STATIC; | |
4632 | break; | |
4633 | case IEEE80211_SMPS_DYNAMIC: | |
4634 | smps = WMI_PEER_SMPS_DYNAMIC; | |
4635 | break; | |
4636 | case IEEE80211_SMPS_NUM_MODES: | |
7aa7a72a | 4637 | ath10k_warn(ar, "Invalid smps %d in sta rc update for %pM\n", |
be6546fc | 4638 | sta->smps_mode, sta->addr); |
9797febc MK |
4639 | smps = WMI_PEER_SMPS_PS_NONE; |
4640 | break; | |
4641 | } | |
4642 | ||
4643 | arsta->smps = smps; | |
4644 | } | |
4645 | ||
9797febc MK |
4646 | arsta->changed |= changed; |
4647 | ||
4648 | spin_unlock_bh(&ar->data_lock); | |
4649 | ||
4650 | ieee80211_queue_work(hw, &arsta->update_wk); | |
4651 | } | |
4652 | ||
26ebbccf CYY |
4653 | static u64 ath10k_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
4654 | { | |
4655 | /* | |
4656 | * FIXME: Return 0 for time being. Need to figure out whether FW | |
4657 | * has the API to fetch 64-bit local TSF | |
4658 | */ | |
4659 | ||
4660 | return 0; | |
4661 | } | |
4662 | ||
aa5b4fbc MK |
4663 | static int ath10k_ampdu_action(struct ieee80211_hw *hw, |
4664 | struct ieee80211_vif *vif, | |
4665 | enum ieee80211_ampdu_mlme_action action, | |
4666 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, | |
4667 | u8 buf_size) | |
4668 | { | |
7aa7a72a | 4669 | struct ath10k *ar = hw->priv; |
aa5b4fbc MK |
4670 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
4671 | ||
7aa7a72a | 4672 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ampdu vdev_id %i sta %pM tid %hu action %d\n", |
aa5b4fbc MK |
4673 | arvif->vdev_id, sta->addr, tid, action); |
4674 | ||
4675 | switch (action) { | |
4676 | case IEEE80211_AMPDU_RX_START: | |
4677 | case IEEE80211_AMPDU_RX_STOP: | |
4678 | /* HTT AddBa/DelBa events trigger mac80211 Rx BA session | |
4679 | * creation/removal. Do we need to verify this? | |
4680 | */ | |
4681 | return 0; | |
4682 | case IEEE80211_AMPDU_TX_START: | |
4683 | case IEEE80211_AMPDU_TX_STOP_CONT: | |
4684 | case IEEE80211_AMPDU_TX_STOP_FLUSH: | |
4685 | case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: | |
4686 | case IEEE80211_AMPDU_TX_OPERATIONAL: | |
4687 | /* Firmware offloads Tx aggregation entirely so deny mac80211 | |
4688 | * Tx aggregation requests. | |
4689 | */ | |
4690 | return -EOPNOTSUPP; | |
4691 | } | |
4692 | ||
4693 | return -EINVAL; | |
4694 | } | |
4695 | ||
5e3dd157 KV |
4696 | static const struct ieee80211_ops ath10k_ops = { |
4697 | .tx = ath10k_tx, | |
4698 | .start = ath10k_start, | |
4699 | .stop = ath10k_stop, | |
4700 | .config = ath10k_config, | |
4701 | .add_interface = ath10k_add_interface, | |
4702 | .remove_interface = ath10k_remove_interface, | |
4703 | .configure_filter = ath10k_configure_filter, | |
4704 | .bss_info_changed = ath10k_bss_info_changed, | |
4705 | .hw_scan = ath10k_hw_scan, | |
4706 | .cancel_hw_scan = ath10k_cancel_hw_scan, | |
4707 | .set_key = ath10k_set_key, | |
4708 | .sta_state = ath10k_sta_state, | |
4709 | .conf_tx = ath10k_conf_tx, | |
4710 | .remain_on_channel = ath10k_remain_on_channel, | |
4711 | .cancel_remain_on_channel = ath10k_cancel_remain_on_channel, | |
4712 | .set_rts_threshold = ath10k_set_rts_threshold, | |
5e3dd157 KV |
4713 | .flush = ath10k_flush, |
4714 | .tx_last_beacon = ath10k_tx_last_beacon, | |
46acf7bb BG |
4715 | .set_antenna = ath10k_set_antenna, |
4716 | .get_antenna = ath10k_get_antenna, | |
cf2c92d8 | 4717 | .reconfig_complete = ath10k_reconfig_complete, |
2e1dea40 | 4718 | .get_survey = ath10k_get_survey, |
51ab1a0a | 4719 | .set_bitrate_mask = ath10k_set_bitrate_mask, |
9797febc | 4720 | .sta_rc_update = ath10k_sta_rc_update, |
26ebbccf | 4721 | .get_tsf = ath10k_get_tsf, |
aa5b4fbc | 4722 | .ampdu_action = ath10k_ampdu_action, |
6cddcc7a BG |
4723 | .get_et_sset_count = ath10k_debug_get_et_sset_count, |
4724 | .get_et_stats = ath10k_debug_get_et_stats, | |
4725 | .get_et_strings = ath10k_debug_get_et_strings, | |
43d2a30f KV |
4726 | |
4727 | CFG80211_TESTMODE_CMD(ath10k_tm_cmd) | |
4728 | ||
8cd13cad MK |
4729 | #ifdef CONFIG_PM |
4730 | .suspend = ath10k_suspend, | |
4731 | .resume = ath10k_resume, | |
4732 | #endif | |
5e3dd157 KV |
4733 | }; |
4734 | ||
4735 | #define RATETAB_ENT(_rate, _rateid, _flags) { \ | |
4736 | .bitrate = (_rate), \ | |
4737 | .flags = (_flags), \ | |
4738 | .hw_value = (_rateid), \ | |
4739 | } | |
4740 | ||
4741 | #define CHAN2G(_channel, _freq, _flags) { \ | |
4742 | .band = IEEE80211_BAND_2GHZ, \ | |
4743 | .hw_value = (_channel), \ | |
4744 | .center_freq = (_freq), \ | |
4745 | .flags = (_flags), \ | |
4746 | .max_antenna_gain = 0, \ | |
4747 | .max_power = 30, \ | |
4748 | } | |
4749 | ||
4750 | #define CHAN5G(_channel, _freq, _flags) { \ | |
4751 | .band = IEEE80211_BAND_5GHZ, \ | |
4752 | .hw_value = (_channel), \ | |
4753 | .center_freq = (_freq), \ | |
4754 | .flags = (_flags), \ | |
4755 | .max_antenna_gain = 0, \ | |
4756 | .max_power = 30, \ | |
4757 | } | |
4758 | ||
4759 | static const struct ieee80211_channel ath10k_2ghz_channels[] = { | |
4760 | CHAN2G(1, 2412, 0), | |
4761 | CHAN2G(2, 2417, 0), | |
4762 | CHAN2G(3, 2422, 0), | |
4763 | CHAN2G(4, 2427, 0), | |
4764 | CHAN2G(5, 2432, 0), | |
4765 | CHAN2G(6, 2437, 0), | |
4766 | CHAN2G(7, 2442, 0), | |
4767 | CHAN2G(8, 2447, 0), | |
4768 | CHAN2G(9, 2452, 0), | |
4769 | CHAN2G(10, 2457, 0), | |
4770 | CHAN2G(11, 2462, 0), | |
4771 | CHAN2G(12, 2467, 0), | |
4772 | CHAN2G(13, 2472, 0), | |
4773 | CHAN2G(14, 2484, 0), | |
4774 | }; | |
4775 | ||
4776 | static const struct ieee80211_channel ath10k_5ghz_channels[] = { | |
429ff56a MK |
4777 | CHAN5G(36, 5180, 0), |
4778 | CHAN5G(40, 5200, 0), | |
4779 | CHAN5G(44, 5220, 0), | |
4780 | CHAN5G(48, 5240, 0), | |
4781 | CHAN5G(52, 5260, 0), | |
4782 | CHAN5G(56, 5280, 0), | |
4783 | CHAN5G(60, 5300, 0), | |
4784 | CHAN5G(64, 5320, 0), | |
4785 | CHAN5G(100, 5500, 0), | |
4786 | CHAN5G(104, 5520, 0), | |
4787 | CHAN5G(108, 5540, 0), | |
4788 | CHAN5G(112, 5560, 0), | |
4789 | CHAN5G(116, 5580, 0), | |
4790 | CHAN5G(120, 5600, 0), | |
4791 | CHAN5G(124, 5620, 0), | |
4792 | CHAN5G(128, 5640, 0), | |
4793 | CHAN5G(132, 5660, 0), | |
4794 | CHAN5G(136, 5680, 0), | |
4795 | CHAN5G(140, 5700, 0), | |
4796 | CHAN5G(149, 5745, 0), | |
4797 | CHAN5G(153, 5765, 0), | |
4798 | CHAN5G(157, 5785, 0), | |
4799 | CHAN5G(161, 5805, 0), | |
4800 | CHAN5G(165, 5825, 0), | |
5e3dd157 KV |
4801 | }; |
4802 | ||
91b12089 MK |
4803 | /* Note: Be careful if you re-order these. There is code which depends on this |
4804 | * ordering. | |
4805 | */ | |
5e3dd157 KV |
4806 | static struct ieee80211_rate ath10k_rates[] = { |
4807 | /* CCK */ | |
4808 | RATETAB_ENT(10, 0x82, 0), | |
4809 | RATETAB_ENT(20, 0x84, 0), | |
4810 | RATETAB_ENT(55, 0x8b, 0), | |
4811 | RATETAB_ENT(110, 0x96, 0), | |
4812 | /* OFDM */ | |
4813 | RATETAB_ENT(60, 0x0c, 0), | |
4814 | RATETAB_ENT(90, 0x12, 0), | |
4815 | RATETAB_ENT(120, 0x18, 0), | |
4816 | RATETAB_ENT(180, 0x24, 0), | |
4817 | RATETAB_ENT(240, 0x30, 0), | |
4818 | RATETAB_ENT(360, 0x48, 0), | |
4819 | RATETAB_ENT(480, 0x60, 0), | |
4820 | RATETAB_ENT(540, 0x6c, 0), | |
4821 | }; | |
4822 | ||
4823 | #define ath10k_a_rates (ath10k_rates + 4) | |
4824 | #define ath10k_a_rates_size (ARRAY_SIZE(ath10k_rates) - 4) | |
4825 | #define ath10k_g_rates (ath10k_rates + 0) | |
4826 | #define ath10k_g_rates_size (ARRAY_SIZE(ath10k_rates)) | |
4827 | ||
e7b54194 | 4828 | struct ath10k *ath10k_mac_create(size_t priv_size) |
5e3dd157 KV |
4829 | { |
4830 | struct ieee80211_hw *hw; | |
4831 | struct ath10k *ar; | |
4832 | ||
e7b54194 | 4833 | hw = ieee80211_alloc_hw(sizeof(struct ath10k) + priv_size, &ath10k_ops); |
5e3dd157 KV |
4834 | if (!hw) |
4835 | return NULL; | |
4836 | ||
4837 | ar = hw->priv; | |
4838 | ar->hw = hw; | |
4839 | ||
4840 | return ar; | |
4841 | } | |
4842 | ||
4843 | void ath10k_mac_destroy(struct ath10k *ar) | |
4844 | { | |
4845 | ieee80211_free_hw(ar->hw); | |
4846 | } | |
4847 | ||
4848 | static const struct ieee80211_iface_limit ath10k_if_limits[] = { | |
4849 | { | |
4850 | .max = 8, | |
4851 | .types = BIT(NL80211_IFTYPE_STATION) | |
4852 | | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
d531cb85 MK |
4853 | }, |
4854 | { | |
4855 | .max = 3, | |
4856 | .types = BIT(NL80211_IFTYPE_P2P_GO) | |
4857 | }, | |
4858 | { | |
4859 | .max = 7, | |
4860 | .types = BIT(NL80211_IFTYPE_AP) | |
4861 | }, | |
5e3dd157 KV |
4862 | }; |
4863 | ||
f259509b | 4864 | static const struct ieee80211_iface_limit ath10k_10x_if_limits[] = { |
e8a50f8b MP |
4865 | { |
4866 | .max = 8, | |
4867 | .types = BIT(NL80211_IFTYPE_AP) | |
4868 | }, | |
4869 | }; | |
e8a50f8b MP |
4870 | |
4871 | static const struct ieee80211_iface_combination ath10k_if_comb[] = { | |
4872 | { | |
4873 | .limits = ath10k_if_limits, | |
4874 | .n_limits = ARRAY_SIZE(ath10k_if_limits), | |
4875 | .max_interfaces = 8, | |
4876 | .num_different_channels = 1, | |
4877 | .beacon_int_infra_match = true, | |
4878 | }, | |
f259509b BM |
4879 | }; |
4880 | ||
4881 | static const struct ieee80211_iface_combination ath10k_10x_if_comb[] = { | |
e8a50f8b | 4882 | { |
f259509b BM |
4883 | .limits = ath10k_10x_if_limits, |
4884 | .n_limits = ARRAY_SIZE(ath10k_10x_if_limits), | |
e8a50f8b MP |
4885 | .max_interfaces = 8, |
4886 | .num_different_channels = 1, | |
4887 | .beacon_int_infra_match = true, | |
f259509b | 4888 | #ifdef CONFIG_ATH10K_DFS_CERTIFIED |
e8a50f8b MP |
4889 | .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | |
4890 | BIT(NL80211_CHAN_WIDTH_20) | | |
4891 | BIT(NL80211_CHAN_WIDTH_40) | | |
4892 | BIT(NL80211_CHAN_WIDTH_80), | |
e8a50f8b | 4893 | #endif |
f259509b | 4894 | }, |
5e3dd157 KV |
4895 | }; |
4896 | ||
4897 | static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar) | |
4898 | { | |
4899 | struct ieee80211_sta_vht_cap vht_cap = {0}; | |
4900 | u16 mcs_map; | |
8865bee4 | 4901 | int i; |
5e3dd157 KV |
4902 | |
4903 | vht_cap.vht_supported = 1; | |
4904 | vht_cap.cap = ar->vht_cap_info; | |
4905 | ||
8865bee4 MK |
4906 | mcs_map = 0; |
4907 | for (i = 0; i < 8; i++) { | |
4908 | if (i < ar->num_rf_chains) | |
4909 | mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i*2); | |
4910 | else | |
4911 | mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i*2); | |
4912 | } | |
5e3dd157 KV |
4913 | |
4914 | vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map); | |
4915 | vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map); | |
4916 | ||
4917 | return vht_cap; | |
4918 | } | |
4919 | ||
4920 | static struct ieee80211_sta_ht_cap ath10k_get_ht_cap(struct ath10k *ar) | |
4921 | { | |
4922 | int i; | |
4923 | struct ieee80211_sta_ht_cap ht_cap = {0}; | |
4924 | ||
4925 | if (!(ar->ht_cap_info & WMI_HT_CAP_ENABLED)) | |
4926 | return ht_cap; | |
4927 | ||
4928 | ht_cap.ht_supported = 1; | |
4929 | ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; | |
4930 | ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8; | |
4931 | ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
4932 | ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40; | |
4933 | ht_cap.cap |= WLAN_HT_CAP_SM_PS_STATIC << IEEE80211_HT_CAP_SM_PS_SHIFT; | |
4934 | ||
4935 | if (ar->ht_cap_info & WMI_HT_CAP_HT20_SGI) | |
4936 | ht_cap.cap |= IEEE80211_HT_CAP_SGI_20; | |
4937 | ||
4938 | if (ar->ht_cap_info & WMI_HT_CAP_HT40_SGI) | |
4939 | ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; | |
4940 | ||
4941 | if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) { | |
4942 | u32 smps; | |
4943 | ||
4944 | smps = WLAN_HT_CAP_SM_PS_DYNAMIC; | |
4945 | smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT; | |
4946 | ||
4947 | ht_cap.cap |= smps; | |
4948 | } | |
4949 | ||
4950 | if (ar->ht_cap_info & WMI_HT_CAP_TX_STBC) | |
4951 | ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC; | |
4952 | ||
4953 | if (ar->ht_cap_info & WMI_HT_CAP_RX_STBC) { | |
4954 | u32 stbc; | |
4955 | ||
4956 | stbc = ar->ht_cap_info; | |
4957 | stbc &= WMI_HT_CAP_RX_STBC; | |
4958 | stbc >>= WMI_HT_CAP_RX_STBC_MASK_SHIFT; | |
4959 | stbc <<= IEEE80211_HT_CAP_RX_STBC_SHIFT; | |
4960 | stbc &= IEEE80211_HT_CAP_RX_STBC; | |
4961 | ||
4962 | ht_cap.cap |= stbc; | |
4963 | } | |
4964 | ||
4965 | if (ar->ht_cap_info & WMI_HT_CAP_LDPC) | |
4966 | ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING; | |
4967 | ||
4968 | if (ar->ht_cap_info & WMI_HT_CAP_L_SIG_TXOP_PROT) | |
4969 | ht_cap.cap |= IEEE80211_HT_CAP_LSIG_TXOP_PROT; | |
4970 | ||
4971 | /* max AMSDU is implicitly taken from vht_cap_info */ | |
4972 | if (ar->vht_cap_info & WMI_VHT_CAP_MAX_MPDU_LEN_MASK) | |
4973 | ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU; | |
4974 | ||
8865bee4 | 4975 | for (i = 0; i < ar->num_rf_chains; i++) |
5e3dd157 KV |
4976 | ht_cap.mcs.rx_mask[i] = 0xFF; |
4977 | ||
4978 | ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED; | |
4979 | ||
4980 | return ht_cap; | |
4981 | } | |
4982 | ||
5e3dd157 KV |
4983 | static void ath10k_get_arvif_iter(void *data, u8 *mac, |
4984 | struct ieee80211_vif *vif) | |
4985 | { | |
4986 | struct ath10k_vif_iter *arvif_iter = data; | |
4987 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
4988 | ||
4989 | if (arvif->vdev_id == arvif_iter->vdev_id) | |
4990 | arvif_iter->arvif = arvif; | |
4991 | } | |
4992 | ||
4993 | struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id) | |
4994 | { | |
4995 | struct ath10k_vif_iter arvif_iter; | |
4996 | u32 flags; | |
4997 | ||
4998 | memset(&arvif_iter, 0, sizeof(struct ath10k_vif_iter)); | |
4999 | arvif_iter.vdev_id = vdev_id; | |
5000 | ||
5001 | flags = IEEE80211_IFACE_ITER_RESUME_ALL; | |
5002 | ieee80211_iterate_active_interfaces_atomic(ar->hw, | |
5003 | flags, | |
5004 | ath10k_get_arvif_iter, | |
5005 | &arvif_iter); | |
5006 | if (!arvif_iter.arvif) { | |
7aa7a72a | 5007 | ath10k_warn(ar, "No VIF found for vdev %d\n", vdev_id); |
5e3dd157 KV |
5008 | return NULL; |
5009 | } | |
5010 | ||
5011 | return arvif_iter.arvif; | |
5012 | } | |
5013 | ||
5014 | int ath10k_mac_register(struct ath10k *ar) | |
5015 | { | |
5016 | struct ieee80211_supported_band *band; | |
5017 | struct ieee80211_sta_vht_cap vht_cap; | |
5018 | struct ieee80211_sta_ht_cap ht_cap; | |
5019 | void *channels; | |
5020 | int ret; | |
5021 | ||
5022 | SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr); | |
5023 | ||
5024 | SET_IEEE80211_DEV(ar->hw, ar->dev); | |
5025 | ||
5026 | ht_cap = ath10k_get_ht_cap(ar); | |
5027 | vht_cap = ath10k_create_vht_cap(ar); | |
5028 | ||
5029 | if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) { | |
5030 | channels = kmemdup(ath10k_2ghz_channels, | |
5031 | sizeof(ath10k_2ghz_channels), | |
5032 | GFP_KERNEL); | |
d6015b27 MK |
5033 | if (!channels) { |
5034 | ret = -ENOMEM; | |
5035 | goto err_free; | |
5036 | } | |
5e3dd157 KV |
5037 | |
5038 | band = &ar->mac.sbands[IEEE80211_BAND_2GHZ]; | |
5039 | band->n_channels = ARRAY_SIZE(ath10k_2ghz_channels); | |
5040 | band->channels = channels; | |
5041 | band->n_bitrates = ath10k_g_rates_size; | |
5042 | band->bitrates = ath10k_g_rates; | |
5043 | band->ht_cap = ht_cap; | |
5044 | ||
5045 | /* vht is not supported in 2.4 GHz */ | |
5046 | ||
5047 | ar->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band; | |
5048 | } | |
5049 | ||
5050 | if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) { | |
5051 | channels = kmemdup(ath10k_5ghz_channels, | |
5052 | sizeof(ath10k_5ghz_channels), | |
5053 | GFP_KERNEL); | |
5054 | if (!channels) { | |
d6015b27 MK |
5055 | ret = -ENOMEM; |
5056 | goto err_free; | |
5e3dd157 KV |
5057 | } |
5058 | ||
5059 | band = &ar->mac.sbands[IEEE80211_BAND_5GHZ]; | |
5060 | band->n_channels = ARRAY_SIZE(ath10k_5ghz_channels); | |
5061 | band->channels = channels; | |
5062 | band->n_bitrates = ath10k_a_rates_size; | |
5063 | band->bitrates = ath10k_a_rates; | |
5064 | band->ht_cap = ht_cap; | |
5065 | band->vht_cap = vht_cap; | |
5066 | ar->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = band; | |
5067 | } | |
5068 | ||
5069 | ar->hw->wiphy->interface_modes = | |
5070 | BIT(NL80211_IFTYPE_STATION) | | |
d354181f BM |
5071 | BIT(NL80211_IFTYPE_AP); |
5072 | ||
46acf7bb BG |
5073 | ar->hw->wiphy->available_antennas_rx = ar->supp_rx_chainmask; |
5074 | ar->hw->wiphy->available_antennas_tx = ar->supp_tx_chainmask; | |
5075 | ||
d354181f BM |
5076 | if (!test_bit(ATH10K_FW_FEATURE_NO_P2P, ar->fw_features)) |
5077 | ar->hw->wiphy->interface_modes |= | |
5078 | BIT(NL80211_IFTYPE_P2P_CLIENT) | | |
5079 | BIT(NL80211_IFTYPE_P2P_GO); | |
5e3dd157 KV |
5080 | |
5081 | ar->hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
5082 | IEEE80211_HW_SUPPORTS_PS | | |
5083 | IEEE80211_HW_SUPPORTS_DYNAMIC_PS | | |
5084 | IEEE80211_HW_SUPPORTS_UAPSD | | |
5085 | IEEE80211_HW_MFP_CAPABLE | | |
5086 | IEEE80211_HW_REPORTS_TX_ACK_STATUS | | |
5087 | IEEE80211_HW_HAS_RATE_CONTROL | | |
2f0f1121 JD |
5088 | IEEE80211_HW_AP_LINK_PS | |
5089 | IEEE80211_HW_SPECTRUM_MGMT; | |
5e3dd157 | 5090 | |
0d8614b4 EP |
5091 | ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS; |
5092 | ||
5e3dd157 | 5093 | if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) |
0d8614b4 | 5094 | ar->hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS; |
5e3dd157 KV |
5095 | |
5096 | if (ar->ht_cap_info & WMI_HT_CAP_ENABLED) { | |
5097 | ar->hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION; | |
5098 | ar->hw->flags |= IEEE80211_HW_TX_AMPDU_SETUP_IN_HW; | |
5099 | } | |
5100 | ||
5101 | ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID; | |
5102 | ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN; | |
5103 | ||
5104 | ar->hw->vif_data_size = sizeof(struct ath10k_vif); | |
9797febc | 5105 | ar->hw->sta_data_size = sizeof(struct ath10k_sta); |
5e3dd157 | 5106 | |
5e3dd157 KV |
5107 | ar->hw->max_listen_interval = ATH10K_MAX_HW_LISTEN_INTERVAL; |
5108 | ||
5109 | ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; | |
c2df44b3 | 5110 | ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; |
5e3dd157 KV |
5111 | ar->hw->wiphy->max_remain_on_channel_duration = 5000; |
5112 | ||
5113 | ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; | |
78157a1c RM |
5114 | ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE; |
5115 | ||
5e3dd157 KV |
5116 | /* |
5117 | * on LL hardware queues are managed entirely by the FW | |
5118 | * so we only advertise to mac we can do the queues thing | |
5119 | */ | |
5120 | ar->hw->queues = 4; | |
5121 | ||
f259509b BM |
5122 | if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) { |
5123 | ar->hw->wiphy->iface_combinations = ath10k_10x_if_comb; | |
5124 | ar->hw->wiphy->n_iface_combinations = | |
5125 | ARRAY_SIZE(ath10k_10x_if_comb); | |
5126 | } else { | |
5127 | ar->hw->wiphy->iface_combinations = ath10k_if_comb; | |
5128 | ar->hw->wiphy->n_iface_combinations = | |
5129 | ARRAY_SIZE(ath10k_if_comb); | |
cf850d1d MK |
5130 | |
5131 | ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC); | |
f259509b | 5132 | } |
5e3dd157 | 5133 | |
7c199997 MK |
5134 | ar->hw->netdev_features = NETIF_F_HW_CSUM; |
5135 | ||
9702c686 JD |
5136 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) { |
5137 | /* Init ath dfs pattern detector */ | |
5138 | ar->ath_common.debug_mask = ATH_DBG_DFS; | |
5139 | ar->dfs_detector = dfs_pattern_detector_init(&ar->ath_common, | |
5140 | NL80211_DFS_UNSET); | |
5141 | ||
5142 | if (!ar->dfs_detector) | |
7aa7a72a | 5143 | ath10k_warn(ar, "failed to initialise DFS pattern detector\n"); |
9702c686 JD |
5144 | } |
5145 | ||
5e3dd157 KV |
5146 | ret = ath_regd_init(&ar->ath_common.regulatory, ar->hw->wiphy, |
5147 | ath10k_reg_notifier); | |
5148 | if (ret) { | |
7aa7a72a | 5149 | ath10k_err(ar, "failed to initialise regulatory: %i\n", ret); |
d6015b27 | 5150 | goto err_free; |
5e3dd157 KV |
5151 | } |
5152 | ||
5153 | ret = ieee80211_register_hw(ar->hw); | |
5154 | if (ret) { | |
7aa7a72a | 5155 | ath10k_err(ar, "failed to register ieee80211: %d\n", ret); |
d6015b27 | 5156 | goto err_free; |
5e3dd157 KV |
5157 | } |
5158 | ||
5159 | if (!ath_is_world_regd(&ar->ath_common.regulatory)) { | |
5160 | ret = regulatory_hint(ar->hw->wiphy, | |
5161 | ar->ath_common.regulatory.alpha2); | |
5162 | if (ret) | |
d6015b27 | 5163 | goto err_unregister; |
5e3dd157 KV |
5164 | } |
5165 | ||
5166 | return 0; | |
d6015b27 MK |
5167 | |
5168 | err_unregister: | |
5e3dd157 | 5169 | ieee80211_unregister_hw(ar->hw); |
d6015b27 MK |
5170 | err_free: |
5171 | kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels); | |
5172 | kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels); | |
5173 | ||
5e3dd157 KV |
5174 | return ret; |
5175 | } | |
5176 | ||
5177 | void ath10k_mac_unregister(struct ath10k *ar) | |
5178 | { | |
5179 | ieee80211_unregister_hw(ar->hw); | |
5180 | ||
9702c686 JD |
5181 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) |
5182 | ar->dfs_detector->exit(ar->dfs_detector); | |
5183 | ||
5e3dd157 KV |
5184 | kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels); |
5185 | kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels); | |
5186 | ||
5187 | SET_IEEE80211_DEV(ar->hw, NULL); | |
5188 | } |