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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, | |
627613f8 | 40 | const u8 *macaddr, bool def_idx) |
5e3dd157 | 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; | |
e4e82e9a | 61 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT; |
5e3dd157 KV |
62 | break; |
63 | case WLAN_CIPHER_SUITE_TKIP: | |
5e3dd157 KV |
64 | arg.key_cipher = WMI_CIPHER_TKIP; |
65 | arg.key_txmic_len = 8; | |
66 | arg.key_rxmic_len = 8; | |
67 | break; | |
68 | case WLAN_CIPHER_SUITE_WEP40: | |
69 | case WLAN_CIPHER_SUITE_WEP104: | |
70 | arg.key_cipher = WMI_CIPHER_WEP; | |
71 | /* AP/IBSS mode requires self-key to be groupwise | |
72 | * Otherwise pairwise key must be set */ | |
73 | if (memcmp(macaddr, arvif->vif->addr, ETH_ALEN)) | |
74 | arg.key_flags = WMI_KEY_PAIRWISE; | |
627613f8 SJ |
75 | |
76 | if (def_idx) | |
77 | arg.key_flags |= WMI_KEY_TX_USAGE; | |
5e3dd157 KV |
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, | |
627613f8 | 95 | const u8 *macaddr, bool def_idx) |
5e3dd157 KV |
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 | 103 | |
627613f8 | 104 | ret = ath10k_send_key(arvif, key, cmd, macaddr, def_idx); |
5e3dd157 KV |
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; | |
627613f8 | 122 | bool def_idx; |
5e3dd157 KV |
123 | |
124 | lockdep_assert_held(&ar->conf_mutex); | |
125 | ||
126 | spin_lock_bh(&ar->data_lock); | |
127 | peer = ath10k_peer_find(ar, arvif->vdev_id, addr); | |
128 | spin_unlock_bh(&ar->data_lock); | |
129 | ||
130 | if (!peer) | |
131 | return -ENOENT; | |
132 | ||
133 | for (i = 0; i < ARRAY_SIZE(arvif->wep_keys); i++) { | |
134 | if (arvif->wep_keys[i] == NULL) | |
135 | continue; | |
627613f8 SJ |
136 | /* set TX_USAGE flag for default key id */ |
137 | if (arvif->def_wep_key_idx == i) | |
138 | def_idx = true; | |
139 | else | |
140 | def_idx = false; | |
5e3dd157 KV |
141 | |
142 | ret = ath10k_install_key(arvif, arvif->wep_keys[i], SET_KEY, | |
627613f8 | 143 | addr, def_idx); |
5e3dd157 KV |
144 | if (ret) |
145 | return ret; | |
146 | ||
ae167131 | 147 | spin_lock_bh(&ar->data_lock); |
5e3dd157 | 148 | peer->keys[i] = arvif->wep_keys[i]; |
ae167131 | 149 | spin_unlock_bh(&ar->data_lock); |
5e3dd157 KV |
150 | } |
151 | ||
152 | return 0; | |
153 | } | |
154 | ||
155 | static int ath10k_clear_peer_keys(struct ath10k_vif *arvif, | |
156 | const u8 *addr) | |
157 | { | |
158 | struct ath10k *ar = arvif->ar; | |
159 | struct ath10k_peer *peer; | |
160 | int first_errno = 0; | |
161 | int ret; | |
162 | int i; | |
163 | ||
164 | lockdep_assert_held(&ar->conf_mutex); | |
165 | ||
166 | spin_lock_bh(&ar->data_lock); | |
167 | peer = ath10k_peer_find(ar, arvif->vdev_id, addr); | |
168 | spin_unlock_bh(&ar->data_lock); | |
169 | ||
170 | if (!peer) | |
171 | return -ENOENT; | |
172 | ||
173 | for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { | |
174 | if (peer->keys[i] == NULL) | |
175 | continue; | |
176 | ||
627613f8 | 177 | /* key flags are not required to delete the key */ |
5e3dd157 | 178 | ret = ath10k_install_key(arvif, peer->keys[i], |
627613f8 | 179 | DISABLE_KEY, addr, false); |
5e3dd157 KV |
180 | if (ret && first_errno == 0) |
181 | first_errno = ret; | |
182 | ||
183 | if (ret) | |
7aa7a72a | 184 | ath10k_warn(ar, "failed to remove peer wep key %d: %d\n", |
5e3dd157 KV |
185 | i, ret); |
186 | ||
ae167131 | 187 | spin_lock_bh(&ar->data_lock); |
5e3dd157 | 188 | peer->keys[i] = NULL; |
ae167131 | 189 | spin_unlock_bh(&ar->data_lock); |
5e3dd157 KV |
190 | } |
191 | ||
192 | return first_errno; | |
193 | } | |
194 | ||
504f6cdf SM |
195 | bool ath10k_mac_is_peer_wep_key_set(struct ath10k *ar, const u8 *addr, |
196 | u8 keyidx) | |
197 | { | |
198 | struct ath10k_peer *peer; | |
199 | int i; | |
200 | ||
201 | lockdep_assert_held(&ar->data_lock); | |
202 | ||
203 | /* We don't know which vdev this peer belongs to, | |
204 | * since WMI doesn't give us that information. | |
205 | * | |
206 | * FIXME: multi-bss needs to be handled. | |
207 | */ | |
208 | peer = ath10k_peer_find(ar, 0, addr); | |
209 | if (!peer) | |
210 | return false; | |
211 | ||
212 | for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { | |
213 | if (peer->keys[i] && peer->keys[i]->keyidx == keyidx) | |
214 | return true; | |
215 | } | |
216 | ||
217 | return false; | |
218 | } | |
219 | ||
5e3dd157 KV |
220 | static int ath10k_clear_vdev_key(struct ath10k_vif *arvif, |
221 | struct ieee80211_key_conf *key) | |
222 | { | |
223 | struct ath10k *ar = arvif->ar; | |
224 | struct ath10k_peer *peer; | |
225 | u8 addr[ETH_ALEN]; | |
226 | int first_errno = 0; | |
227 | int ret; | |
228 | int i; | |
229 | ||
230 | lockdep_assert_held(&ar->conf_mutex); | |
231 | ||
232 | for (;;) { | |
233 | /* since ath10k_install_key we can't hold data_lock all the | |
234 | * time, so we try to remove the keys incrementally */ | |
235 | spin_lock_bh(&ar->data_lock); | |
236 | i = 0; | |
237 | list_for_each_entry(peer, &ar->peers, list) { | |
238 | for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { | |
239 | if (peer->keys[i] == key) { | |
b25f32cb | 240 | ether_addr_copy(addr, peer->addr); |
5e3dd157 KV |
241 | peer->keys[i] = NULL; |
242 | break; | |
243 | } | |
244 | } | |
245 | ||
246 | if (i < ARRAY_SIZE(peer->keys)) | |
247 | break; | |
248 | } | |
249 | spin_unlock_bh(&ar->data_lock); | |
250 | ||
251 | if (i == ARRAY_SIZE(peer->keys)) | |
252 | break; | |
627613f8 SJ |
253 | /* key flags are not required to delete the key */ |
254 | ret = ath10k_install_key(arvif, key, DISABLE_KEY, addr, false); | |
5e3dd157 KV |
255 | if (ret && first_errno == 0) |
256 | first_errno = ret; | |
257 | ||
258 | if (ret) | |
7aa7a72a | 259 | ath10k_warn(ar, "failed to remove key for %pM: %d\n", |
be6546fc | 260 | addr, ret); |
5e3dd157 KV |
261 | } |
262 | ||
263 | return first_errno; | |
264 | } | |
265 | ||
5e3dd157 KV |
266 | /*********************/ |
267 | /* General utilities */ | |
268 | /*********************/ | |
269 | ||
270 | static inline enum wmi_phy_mode | |
271 | chan_to_phymode(const struct cfg80211_chan_def *chandef) | |
272 | { | |
273 | enum wmi_phy_mode phymode = MODE_UNKNOWN; | |
274 | ||
275 | switch (chandef->chan->band) { | |
276 | case IEEE80211_BAND_2GHZ: | |
277 | switch (chandef->width) { | |
278 | case NL80211_CHAN_WIDTH_20_NOHT: | |
6faab127 PO |
279 | if (chandef->chan->flags & IEEE80211_CHAN_NO_OFDM) |
280 | phymode = MODE_11B; | |
281 | else | |
282 | phymode = MODE_11G; | |
5e3dd157 KV |
283 | break; |
284 | case NL80211_CHAN_WIDTH_20: | |
285 | phymode = MODE_11NG_HT20; | |
286 | break; | |
287 | case NL80211_CHAN_WIDTH_40: | |
288 | phymode = MODE_11NG_HT40; | |
289 | break; | |
0f817ed5 JL |
290 | case NL80211_CHAN_WIDTH_5: |
291 | case NL80211_CHAN_WIDTH_10: | |
5e3dd157 KV |
292 | case NL80211_CHAN_WIDTH_80: |
293 | case NL80211_CHAN_WIDTH_80P80: | |
294 | case NL80211_CHAN_WIDTH_160: | |
295 | phymode = MODE_UNKNOWN; | |
296 | break; | |
297 | } | |
298 | break; | |
299 | case IEEE80211_BAND_5GHZ: | |
300 | switch (chandef->width) { | |
301 | case NL80211_CHAN_WIDTH_20_NOHT: | |
302 | phymode = MODE_11A; | |
303 | break; | |
304 | case NL80211_CHAN_WIDTH_20: | |
305 | phymode = MODE_11NA_HT20; | |
306 | break; | |
307 | case NL80211_CHAN_WIDTH_40: | |
308 | phymode = MODE_11NA_HT40; | |
309 | break; | |
310 | case NL80211_CHAN_WIDTH_80: | |
311 | phymode = MODE_11AC_VHT80; | |
312 | break; | |
0f817ed5 JL |
313 | case NL80211_CHAN_WIDTH_5: |
314 | case NL80211_CHAN_WIDTH_10: | |
5e3dd157 KV |
315 | case NL80211_CHAN_WIDTH_80P80: |
316 | case NL80211_CHAN_WIDTH_160: | |
317 | phymode = MODE_UNKNOWN; | |
318 | break; | |
319 | } | |
320 | break; | |
321 | default: | |
322 | break; | |
323 | } | |
324 | ||
325 | WARN_ON(phymode == MODE_UNKNOWN); | |
326 | return phymode; | |
327 | } | |
328 | ||
329 | static u8 ath10k_parse_mpdudensity(u8 mpdudensity) | |
330 | { | |
331 | /* | |
332 | * 802.11n D2.0 defined values for "Minimum MPDU Start Spacing": | |
333 | * 0 for no restriction | |
334 | * 1 for 1/4 us | |
335 | * 2 for 1/2 us | |
336 | * 3 for 1 us | |
337 | * 4 for 2 us | |
338 | * 5 for 4 us | |
339 | * 6 for 8 us | |
340 | * 7 for 16 us | |
341 | */ | |
342 | switch (mpdudensity) { | |
343 | case 0: | |
344 | return 0; | |
345 | case 1: | |
346 | case 2: | |
347 | case 3: | |
348 | /* Our lower layer calculations limit our precision to | |
349 | 1 microsecond */ | |
350 | return 1; | |
351 | case 4: | |
352 | return 2; | |
353 | case 5: | |
354 | return 4; | |
355 | case 6: | |
356 | return 8; | |
357 | case 7: | |
358 | return 16; | |
359 | default: | |
360 | return 0; | |
361 | } | |
362 | } | |
363 | ||
364 | static int ath10k_peer_create(struct ath10k *ar, u32 vdev_id, const u8 *addr) | |
365 | { | |
366 | int ret; | |
367 | ||
368 | lockdep_assert_held(&ar->conf_mutex); | |
369 | ||
cfd1061e MK |
370 | if (ar->num_peers >= ar->max_num_peers) |
371 | return -ENOBUFS; | |
372 | ||
5e3dd157 | 373 | ret = ath10k_wmi_peer_create(ar, vdev_id, addr); |
479398b0 | 374 | if (ret) { |
7aa7a72a | 375 | ath10k_warn(ar, "failed to create wmi peer %pM on vdev %i: %i\n", |
69244e56 | 376 | addr, vdev_id, ret); |
5e3dd157 | 377 | return ret; |
479398b0 | 378 | } |
5e3dd157 KV |
379 | |
380 | ret = ath10k_wait_for_peer_created(ar, vdev_id, addr); | |
479398b0 | 381 | if (ret) { |
7aa7a72a | 382 | ath10k_warn(ar, "failed to wait for created wmi peer %pM on vdev %i: %i\n", |
69244e56 | 383 | addr, vdev_id, ret); |
5e3dd157 | 384 | return ret; |
479398b0 | 385 | } |
292a753d | 386 | |
0e759f36 | 387 | ar->num_peers++; |
5e3dd157 KV |
388 | |
389 | return 0; | |
390 | } | |
391 | ||
5a13e76e KV |
392 | static int ath10k_mac_set_kickout(struct ath10k_vif *arvif) |
393 | { | |
394 | struct ath10k *ar = arvif->ar; | |
395 | u32 param; | |
396 | int ret; | |
397 | ||
398 | param = ar->wmi.pdev_param->sta_kickout_th; | |
399 | ret = ath10k_wmi_pdev_set_param(ar, param, | |
400 | ATH10K_KICKOUT_THRESHOLD); | |
401 | if (ret) { | |
7aa7a72a | 402 | ath10k_warn(ar, "failed to set kickout threshold on vdev %i: %d\n", |
69244e56 | 403 | arvif->vdev_id, ret); |
5a13e76e KV |
404 | return ret; |
405 | } | |
406 | ||
407 | param = ar->wmi.vdev_param->ap_keepalive_min_idle_inactive_time_secs; | |
408 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, | |
409 | ATH10K_KEEPALIVE_MIN_IDLE); | |
410 | if (ret) { | |
7aa7a72a | 411 | ath10k_warn(ar, "failed to set keepalive minimum idle time on vdev %i: %d\n", |
69244e56 | 412 | arvif->vdev_id, ret); |
5a13e76e KV |
413 | return ret; |
414 | } | |
415 | ||
416 | param = ar->wmi.vdev_param->ap_keepalive_max_idle_inactive_time_secs; | |
417 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, | |
418 | ATH10K_KEEPALIVE_MAX_IDLE); | |
419 | if (ret) { | |
7aa7a72a | 420 | ath10k_warn(ar, "failed to set keepalive maximum idle time on vdev %i: %d\n", |
69244e56 | 421 | arvif->vdev_id, ret); |
5a13e76e KV |
422 | return ret; |
423 | } | |
424 | ||
425 | param = ar->wmi.vdev_param->ap_keepalive_max_unresponsive_time_secs; | |
426 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, | |
427 | ATH10K_KEEPALIVE_MAX_UNRESPONSIVE); | |
428 | if (ret) { | |
7aa7a72a | 429 | ath10k_warn(ar, "failed to set keepalive maximum unresponsive time on vdev %i: %d\n", |
69244e56 | 430 | arvif->vdev_id, ret); |
5a13e76e KV |
431 | return ret; |
432 | } | |
433 | ||
434 | return 0; | |
435 | } | |
436 | ||
acab6400 | 437 | static int ath10k_mac_set_rts(struct ath10k_vif *arvif, u32 value) |
424121c3 | 438 | { |
6d1506e7 BM |
439 | struct ath10k *ar = arvif->ar; |
440 | u32 vdev_param; | |
441 | ||
6d1506e7 BM |
442 | vdev_param = ar->wmi.vdev_param->rts_threshold; |
443 | return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, value); | |
424121c3 MK |
444 | } |
445 | ||
446 | static int ath10k_mac_set_frag(struct ath10k_vif *arvif, u32 value) | |
447 | { | |
6d1506e7 BM |
448 | struct ath10k *ar = arvif->ar; |
449 | u32 vdev_param; | |
450 | ||
424121c3 MK |
451 | if (value != 0xFFFFFFFF) |
452 | value = clamp_t(u32, arvif->ar->hw->wiphy->frag_threshold, | |
453 | ATH10K_FRAGMT_THRESHOLD_MIN, | |
454 | ATH10K_FRAGMT_THRESHOLD_MAX); | |
455 | ||
6d1506e7 BM |
456 | vdev_param = ar->wmi.vdev_param->fragmentation_threshold; |
457 | return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, value); | |
424121c3 MK |
458 | } |
459 | ||
5e3dd157 KV |
460 | static int ath10k_peer_delete(struct ath10k *ar, u32 vdev_id, const u8 *addr) |
461 | { | |
462 | int ret; | |
463 | ||
464 | lockdep_assert_held(&ar->conf_mutex); | |
465 | ||
466 | ret = ath10k_wmi_peer_delete(ar, vdev_id, addr); | |
467 | if (ret) | |
468 | return ret; | |
469 | ||
470 | ret = ath10k_wait_for_peer_deleted(ar, vdev_id, addr); | |
471 | if (ret) | |
472 | return ret; | |
473 | ||
0e759f36 | 474 | ar->num_peers--; |
0e759f36 | 475 | |
5e3dd157 KV |
476 | return 0; |
477 | } | |
478 | ||
479 | static void ath10k_peer_cleanup(struct ath10k *ar, u32 vdev_id) | |
480 | { | |
481 | struct ath10k_peer *peer, *tmp; | |
482 | ||
483 | lockdep_assert_held(&ar->conf_mutex); | |
484 | ||
485 | spin_lock_bh(&ar->data_lock); | |
486 | list_for_each_entry_safe(peer, tmp, &ar->peers, list) { | |
487 | if (peer->vdev_id != vdev_id) | |
488 | continue; | |
489 | ||
7aa7a72a | 490 | ath10k_warn(ar, "removing stale peer %pM from vdev_id %d\n", |
5e3dd157 KV |
491 | peer->addr, vdev_id); |
492 | ||
493 | list_del(&peer->list); | |
494 | kfree(peer); | |
0e759f36 | 495 | ar->num_peers--; |
5e3dd157 KV |
496 | } |
497 | spin_unlock_bh(&ar->data_lock); | |
498 | } | |
499 | ||
a96d7745 MK |
500 | static void ath10k_peer_cleanup_all(struct ath10k *ar) |
501 | { | |
502 | struct ath10k_peer *peer, *tmp; | |
503 | ||
504 | lockdep_assert_held(&ar->conf_mutex); | |
505 | ||
506 | spin_lock_bh(&ar->data_lock); | |
507 | list_for_each_entry_safe(peer, tmp, &ar->peers, list) { | |
508 | list_del(&peer->list); | |
509 | kfree(peer); | |
510 | } | |
511 | spin_unlock_bh(&ar->data_lock); | |
292a753d MK |
512 | |
513 | ar->num_peers = 0; | |
cfd1061e | 514 | ar->num_stations = 0; |
a96d7745 MK |
515 | } |
516 | ||
5e3dd157 KV |
517 | /************************/ |
518 | /* Interface management */ | |
519 | /************************/ | |
520 | ||
64badcb6 MK |
521 | void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif) |
522 | { | |
523 | struct ath10k *ar = arvif->ar; | |
524 | ||
525 | lockdep_assert_held(&ar->data_lock); | |
526 | ||
527 | if (!arvif->beacon) | |
528 | return; | |
529 | ||
530 | if (!arvif->beacon_buf) | |
531 | dma_unmap_single(ar->dev, ATH10K_SKB_CB(arvif->beacon)->paddr, | |
532 | arvif->beacon->len, DMA_TO_DEVICE); | |
533 | ||
af21319f MK |
534 | if (WARN_ON(arvif->beacon_state != ATH10K_BEACON_SCHEDULED && |
535 | arvif->beacon_state != ATH10K_BEACON_SENT)) | |
536 | return; | |
537 | ||
64badcb6 MK |
538 | dev_kfree_skb_any(arvif->beacon); |
539 | ||
540 | arvif->beacon = NULL; | |
af21319f | 541 | arvif->beacon_state = ATH10K_BEACON_SCHEDULED; |
64badcb6 MK |
542 | } |
543 | ||
544 | static void ath10k_mac_vif_beacon_cleanup(struct ath10k_vif *arvif) | |
545 | { | |
546 | struct ath10k *ar = arvif->ar; | |
547 | ||
548 | lockdep_assert_held(&ar->data_lock); | |
549 | ||
550 | ath10k_mac_vif_beacon_free(arvif); | |
551 | ||
552 | if (arvif->beacon_buf) { | |
553 | dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN, | |
554 | arvif->beacon_buf, arvif->beacon_paddr); | |
555 | arvif->beacon_buf = NULL; | |
556 | } | |
557 | } | |
558 | ||
5e3dd157 KV |
559 | static inline int ath10k_vdev_setup_sync(struct ath10k *ar) |
560 | { | |
561 | int ret; | |
562 | ||
548db54c MK |
563 | lockdep_assert_held(&ar->conf_mutex); |
564 | ||
7962b0d8 MK |
565 | if (test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags)) |
566 | return -ESHUTDOWN; | |
567 | ||
5e3dd157 KV |
568 | ret = wait_for_completion_timeout(&ar->vdev_setup_done, |
569 | ATH10K_VDEV_SETUP_TIMEOUT_HZ); | |
570 | if (ret == 0) | |
571 | return -ETIMEDOUT; | |
572 | ||
573 | return 0; | |
574 | } | |
575 | ||
1bbc0975 | 576 | static int ath10k_monitor_vdev_start(struct ath10k *ar, int vdev_id) |
5e3dd157 | 577 | { |
c930f744 MK |
578 | struct cfg80211_chan_def *chandef = &ar->chandef; |
579 | struct ieee80211_channel *channel = chandef->chan; | |
5e3dd157 | 580 | struct wmi_vdev_start_request_arg arg = {}; |
5e3dd157 KV |
581 | int ret = 0; |
582 | ||
583 | lockdep_assert_held(&ar->conf_mutex); | |
584 | ||
5e3dd157 KV |
585 | arg.vdev_id = vdev_id; |
586 | arg.channel.freq = channel->center_freq; | |
c930f744 | 587 | arg.channel.band_center_freq1 = chandef->center_freq1; |
5e3dd157 KV |
588 | |
589 | /* TODO setup this dynamically, what in case we | |
590 | don't have any vifs? */ | |
c930f744 | 591 | arg.channel.mode = chan_to_phymode(chandef); |
e8a50f8b MP |
592 | arg.channel.chan_radar = |
593 | !!(channel->flags & IEEE80211_CHAN_RADAR); | |
5e3dd157 | 594 | |
89c5c843 | 595 | arg.channel.min_power = 0; |
02256930 MK |
596 | arg.channel.max_power = channel->max_power * 2; |
597 | arg.channel.max_reg_power = channel->max_reg_power * 2; | |
598 | arg.channel.max_antenna_gain = channel->max_antenna_gain * 2; | |
5e3dd157 | 599 | |
7962b0d8 MK |
600 | reinit_completion(&ar->vdev_setup_done); |
601 | ||
5e3dd157 KV |
602 | ret = ath10k_wmi_vdev_start(ar, &arg); |
603 | if (ret) { | |
7aa7a72a | 604 | ath10k_warn(ar, "failed to request monitor vdev %i start: %d\n", |
69244e56 | 605 | vdev_id, ret); |
5e3dd157 KV |
606 | return ret; |
607 | } | |
608 | ||
609 | ret = ath10k_vdev_setup_sync(ar); | |
610 | if (ret) { | |
60028a81 | 611 | ath10k_warn(ar, "failed to synchronize setup for monitor vdev %i start: %d\n", |
69244e56 | 612 | vdev_id, ret); |
5e3dd157 KV |
613 | return ret; |
614 | } | |
615 | ||
616 | ret = ath10k_wmi_vdev_up(ar, vdev_id, 0, ar->mac_addr); | |
617 | if (ret) { | |
7aa7a72a | 618 | ath10k_warn(ar, "failed to put up monitor vdev %i: %d\n", |
69244e56 | 619 | vdev_id, ret); |
5e3dd157 KV |
620 | goto vdev_stop; |
621 | } | |
622 | ||
623 | ar->monitor_vdev_id = vdev_id; | |
5e3dd157 | 624 | |
7aa7a72a | 625 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i started\n", |
1bbc0975 | 626 | ar->monitor_vdev_id); |
5e3dd157 KV |
627 | return 0; |
628 | ||
629 | vdev_stop: | |
630 | ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id); | |
631 | if (ret) | |
7aa7a72a | 632 | ath10k_warn(ar, "failed to stop monitor vdev %i after start failure: %d\n", |
69244e56 | 633 | ar->monitor_vdev_id, ret); |
5e3dd157 KV |
634 | |
635 | return ret; | |
636 | } | |
637 | ||
1bbc0975 | 638 | static int ath10k_monitor_vdev_stop(struct ath10k *ar) |
5e3dd157 KV |
639 | { |
640 | int ret = 0; | |
641 | ||
642 | lockdep_assert_held(&ar->conf_mutex); | |
643 | ||
52fa0191 MP |
644 | ret = ath10k_wmi_vdev_down(ar, ar->monitor_vdev_id); |
645 | if (ret) | |
7aa7a72a | 646 | ath10k_warn(ar, "failed to put down monitor vdev %i: %d\n", |
69244e56 | 647 | ar->monitor_vdev_id, ret); |
5e3dd157 | 648 | |
7962b0d8 MK |
649 | reinit_completion(&ar->vdev_setup_done); |
650 | ||
5e3dd157 KV |
651 | ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id); |
652 | if (ret) | |
7aa7a72a | 653 | ath10k_warn(ar, "failed to to request monitor vdev %i stop: %d\n", |
69244e56 | 654 | ar->monitor_vdev_id, ret); |
5e3dd157 KV |
655 | |
656 | ret = ath10k_vdev_setup_sync(ar); | |
657 | if (ret) | |
60028a81 | 658 | ath10k_warn(ar, "failed to synchronize monitor vdev %i stop: %d\n", |
69244e56 | 659 | ar->monitor_vdev_id, ret); |
5e3dd157 | 660 | |
7aa7a72a | 661 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i stopped\n", |
1bbc0975 | 662 | ar->monitor_vdev_id); |
5e3dd157 KV |
663 | return ret; |
664 | } | |
665 | ||
1bbc0975 | 666 | static int ath10k_monitor_vdev_create(struct ath10k *ar) |
5e3dd157 KV |
667 | { |
668 | int bit, ret = 0; | |
669 | ||
670 | lockdep_assert_held(&ar->conf_mutex); | |
671 | ||
a9aefb3b | 672 | if (ar->free_vdev_map == 0) { |
7aa7a72a | 673 | ath10k_warn(ar, "failed to find free vdev id for monitor vdev\n"); |
5e3dd157 KV |
674 | return -ENOMEM; |
675 | } | |
676 | ||
16c11176 | 677 | bit = __ffs64(ar->free_vdev_map); |
a9aefb3b | 678 | |
16c11176 | 679 | ar->monitor_vdev_id = bit; |
5e3dd157 KV |
680 | |
681 | ret = ath10k_wmi_vdev_create(ar, ar->monitor_vdev_id, | |
682 | WMI_VDEV_TYPE_MONITOR, | |
683 | 0, ar->mac_addr); | |
684 | if (ret) { | |
7aa7a72a | 685 | ath10k_warn(ar, "failed to request monitor vdev %i creation: %d\n", |
69244e56 | 686 | ar->monitor_vdev_id, ret); |
a9aefb3b | 687 | return ret; |
5e3dd157 KV |
688 | } |
689 | ||
16c11176 | 690 | ar->free_vdev_map &= ~(1LL << ar->monitor_vdev_id); |
7aa7a72a | 691 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d created\n", |
5e3dd157 KV |
692 | ar->monitor_vdev_id); |
693 | ||
5e3dd157 | 694 | return 0; |
5e3dd157 KV |
695 | } |
696 | ||
1bbc0975 | 697 | static int ath10k_monitor_vdev_delete(struct ath10k *ar) |
5e3dd157 KV |
698 | { |
699 | int ret = 0; | |
700 | ||
701 | lockdep_assert_held(&ar->conf_mutex); | |
702 | ||
5e3dd157 KV |
703 | ret = ath10k_wmi_vdev_delete(ar, ar->monitor_vdev_id); |
704 | if (ret) { | |
7aa7a72a | 705 | ath10k_warn(ar, "failed to request wmi monitor vdev %i removal: %d\n", |
69244e56 | 706 | ar->monitor_vdev_id, ret); |
5e3dd157 KV |
707 | return ret; |
708 | } | |
709 | ||
16c11176 | 710 | ar->free_vdev_map |= 1LL << ar->monitor_vdev_id; |
5e3dd157 | 711 | |
7aa7a72a | 712 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d deleted\n", |
5e3dd157 KV |
713 | ar->monitor_vdev_id); |
714 | return ret; | |
715 | } | |
716 | ||
1bbc0975 MK |
717 | static int ath10k_monitor_start(struct ath10k *ar) |
718 | { | |
719 | int ret; | |
720 | ||
721 | lockdep_assert_held(&ar->conf_mutex); | |
722 | ||
1bbc0975 MK |
723 | ret = ath10k_monitor_vdev_create(ar); |
724 | if (ret) { | |
7aa7a72a | 725 | ath10k_warn(ar, "failed to create monitor vdev: %d\n", ret); |
1bbc0975 MK |
726 | return ret; |
727 | } | |
728 | ||
729 | ret = ath10k_monitor_vdev_start(ar, ar->monitor_vdev_id); | |
730 | if (ret) { | |
7aa7a72a | 731 | ath10k_warn(ar, "failed to start monitor vdev: %d\n", ret); |
1bbc0975 MK |
732 | ath10k_monitor_vdev_delete(ar); |
733 | return ret; | |
734 | } | |
735 | ||
736 | ar->monitor_started = true; | |
7aa7a72a | 737 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor started\n"); |
1bbc0975 MK |
738 | |
739 | return 0; | |
740 | } | |
741 | ||
1933747f | 742 | static int ath10k_monitor_stop(struct ath10k *ar) |
1bbc0975 MK |
743 | { |
744 | int ret; | |
745 | ||
746 | lockdep_assert_held(&ar->conf_mutex); | |
747 | ||
1bbc0975 | 748 | ret = ath10k_monitor_vdev_stop(ar); |
1933747f | 749 | if (ret) { |
7aa7a72a | 750 | ath10k_warn(ar, "failed to stop monitor vdev: %d\n", ret); |
1933747f MK |
751 | return ret; |
752 | } | |
1bbc0975 MK |
753 | |
754 | ret = ath10k_monitor_vdev_delete(ar); | |
1933747f | 755 | if (ret) { |
7aa7a72a | 756 | ath10k_warn(ar, "failed to delete monitor vdev: %d\n", ret); |
1933747f MK |
757 | return ret; |
758 | } | |
1bbc0975 MK |
759 | |
760 | ar->monitor_started = false; | |
7aa7a72a | 761 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopped\n"); |
1933747f MK |
762 | |
763 | return 0; | |
764 | } | |
765 | ||
766 | static int ath10k_monitor_recalc(struct ath10k *ar) | |
767 | { | |
768 | bool should_start; | |
769 | ||
770 | lockdep_assert_held(&ar->conf_mutex); | |
771 | ||
772 | should_start = ar->monitor || | |
773 | ar->filter_flags & FIF_PROMISC_IN_BSS || | |
774 | test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); | |
775 | ||
776 | ath10k_dbg(ar, ATH10K_DBG_MAC, | |
777 | "mac monitor recalc started? %d should? %d\n", | |
778 | ar->monitor_started, should_start); | |
779 | ||
780 | if (should_start == ar->monitor_started) | |
781 | return 0; | |
782 | ||
783 | if (should_start) | |
784 | return ath10k_monitor_start(ar); | |
d8bb26b9 KV |
785 | |
786 | return ath10k_monitor_stop(ar); | |
1bbc0975 MK |
787 | } |
788 | ||
e81bd104 MK |
789 | static int ath10k_recalc_rtscts_prot(struct ath10k_vif *arvif) |
790 | { | |
791 | struct ath10k *ar = arvif->ar; | |
792 | u32 vdev_param, rts_cts = 0; | |
793 | ||
794 | lockdep_assert_held(&ar->conf_mutex); | |
795 | ||
796 | vdev_param = ar->wmi.vdev_param->enable_rtscts; | |
797 | ||
798 | if (arvif->use_cts_prot || arvif->num_legacy_stations > 0) | |
799 | rts_cts |= SM(WMI_RTSCTS_ENABLED, WMI_RTSCTS_SET); | |
800 | ||
801 | if (arvif->num_legacy_stations > 0) | |
802 | rts_cts |= SM(WMI_RTSCTS_ACROSS_SW_RETRIES, | |
803 | WMI_RTSCTS_PROFILE); | |
804 | ||
805 | return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
806 | rts_cts); | |
807 | } | |
808 | ||
e8a50f8b MP |
809 | static int ath10k_start_cac(struct ath10k *ar) |
810 | { | |
811 | int ret; | |
812 | ||
813 | lockdep_assert_held(&ar->conf_mutex); | |
814 | ||
815 | set_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); | |
816 | ||
1933747f | 817 | ret = ath10k_monitor_recalc(ar); |
e8a50f8b | 818 | if (ret) { |
7aa7a72a | 819 | ath10k_warn(ar, "failed to start monitor (cac): %d\n", ret); |
e8a50f8b MP |
820 | clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); |
821 | return ret; | |
822 | } | |
823 | ||
7aa7a72a | 824 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac start monitor vdev %d\n", |
e8a50f8b MP |
825 | ar->monitor_vdev_id); |
826 | ||
827 | return 0; | |
828 | } | |
829 | ||
830 | static int ath10k_stop_cac(struct ath10k *ar) | |
831 | { | |
832 | lockdep_assert_held(&ar->conf_mutex); | |
833 | ||
834 | /* CAC is not running - do nothing */ | |
835 | if (!test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags)) | |
836 | return 0; | |
837 | ||
e8a50f8b | 838 | clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); |
1bbc0975 | 839 | ath10k_monitor_stop(ar); |
e8a50f8b | 840 | |
7aa7a72a | 841 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac finished\n"); |
e8a50f8b MP |
842 | |
843 | return 0; | |
844 | } | |
845 | ||
d650097b | 846 | static void ath10k_recalc_radar_detection(struct ath10k *ar) |
e8a50f8b | 847 | { |
e8a50f8b MP |
848 | int ret; |
849 | ||
850 | lockdep_assert_held(&ar->conf_mutex); | |
851 | ||
e8a50f8b MP |
852 | ath10k_stop_cac(ar); |
853 | ||
d650097b | 854 | if (!ar->radar_enabled) |
e8a50f8b MP |
855 | return; |
856 | ||
d650097b | 857 | if (ar->num_started_vdevs > 0) |
e8a50f8b MP |
858 | return; |
859 | ||
860 | ret = ath10k_start_cac(ar); | |
861 | if (ret) { | |
862 | /* | |
863 | * Not possible to start CAC on current channel so starting | |
864 | * radiation is not allowed, make this channel DFS_UNAVAILABLE | |
865 | * by indicating that radar was detected. | |
866 | */ | |
7aa7a72a | 867 | ath10k_warn(ar, "failed to start CAC: %d\n", ret); |
e8a50f8b MP |
868 | ieee80211_radar_detected(ar->hw); |
869 | } | |
870 | } | |
871 | ||
dc55e307 | 872 | static int ath10k_vdev_start_restart(struct ath10k_vif *arvif, bool restart) |
72654fa7 MK |
873 | { |
874 | struct ath10k *ar = arvif->ar; | |
875 | struct cfg80211_chan_def *chandef = &ar->chandef; | |
876 | struct wmi_vdev_start_request_arg arg = {}; | |
877 | int ret = 0; | |
878 | ||
879 | lockdep_assert_held(&ar->conf_mutex); | |
880 | ||
881 | reinit_completion(&ar->vdev_setup_done); | |
882 | ||
883 | arg.vdev_id = arvif->vdev_id; | |
884 | arg.dtim_period = arvif->dtim_period; | |
885 | arg.bcn_intval = arvif->beacon_interval; | |
886 | ||
887 | arg.channel.freq = chandef->chan->center_freq; | |
888 | arg.channel.band_center_freq1 = chandef->center_freq1; | |
889 | arg.channel.mode = chan_to_phymode(chandef); | |
890 | ||
891 | arg.channel.min_power = 0; | |
892 | arg.channel.max_power = chandef->chan->max_power * 2; | |
893 | arg.channel.max_reg_power = chandef->chan->max_reg_power * 2; | |
894 | arg.channel.max_antenna_gain = chandef->chan->max_antenna_gain * 2; | |
895 | ||
896 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { | |
897 | arg.ssid = arvif->u.ap.ssid; | |
898 | arg.ssid_len = arvif->u.ap.ssid_len; | |
899 | arg.hidden_ssid = arvif->u.ap.hidden_ssid; | |
900 | ||
901 | /* For now allow DFS for AP mode */ | |
902 | arg.channel.chan_radar = | |
903 | !!(chandef->chan->flags & IEEE80211_CHAN_RADAR); | |
904 | } else if (arvif->vdev_type == WMI_VDEV_TYPE_IBSS) { | |
905 | arg.ssid = arvif->vif->bss_conf.ssid; | |
906 | arg.ssid_len = arvif->vif->bss_conf.ssid_len; | |
907 | } | |
908 | ||
7aa7a72a | 909 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
72654fa7 MK |
910 | "mac vdev %d start center_freq %d phymode %s\n", |
911 | arg.vdev_id, arg.channel.freq, | |
912 | ath10k_wmi_phymode_str(arg.channel.mode)); | |
913 | ||
dc55e307 MK |
914 | if (restart) |
915 | ret = ath10k_wmi_vdev_restart(ar, &arg); | |
916 | else | |
917 | ret = ath10k_wmi_vdev_start(ar, &arg); | |
918 | ||
72654fa7 | 919 | if (ret) { |
7aa7a72a | 920 | ath10k_warn(ar, "failed to start WMI vdev %i: %d\n", |
72654fa7 MK |
921 | arg.vdev_id, ret); |
922 | return ret; | |
923 | } | |
924 | ||
925 | ret = ath10k_vdev_setup_sync(ar); | |
926 | if (ret) { | |
60028a81 BG |
927 | ath10k_warn(ar, |
928 | "failed to synchronize setup for vdev %i restart %d: %d\n", | |
929 | arg.vdev_id, restart, ret); | |
72654fa7 MK |
930 | return ret; |
931 | } | |
932 | ||
d650097b MK |
933 | ar->num_started_vdevs++; |
934 | ath10k_recalc_radar_detection(ar); | |
935 | ||
72654fa7 MK |
936 | return ret; |
937 | } | |
938 | ||
dc55e307 MK |
939 | static int ath10k_vdev_start(struct ath10k_vif *arvif) |
940 | { | |
941 | return ath10k_vdev_start_restart(arvif, false); | |
942 | } | |
943 | ||
944 | static int ath10k_vdev_restart(struct ath10k_vif *arvif) | |
945 | { | |
946 | return ath10k_vdev_start_restart(arvif, true); | |
947 | } | |
948 | ||
72654fa7 MK |
949 | static int ath10k_vdev_stop(struct ath10k_vif *arvif) |
950 | { | |
951 | struct ath10k *ar = arvif->ar; | |
952 | int ret; | |
953 | ||
954 | lockdep_assert_held(&ar->conf_mutex); | |
955 | ||
956 | reinit_completion(&ar->vdev_setup_done); | |
957 | ||
958 | ret = ath10k_wmi_vdev_stop(ar, arvif->vdev_id); | |
959 | if (ret) { | |
7aa7a72a | 960 | ath10k_warn(ar, "failed to stop WMI vdev %i: %d\n", |
72654fa7 MK |
961 | arvif->vdev_id, ret); |
962 | return ret; | |
963 | } | |
964 | ||
965 | ret = ath10k_vdev_setup_sync(ar); | |
966 | if (ret) { | |
60028a81 | 967 | ath10k_warn(ar, "failed to synchronize setup for vdev %i stop: %d\n", |
72654fa7 MK |
968 | arvif->vdev_id, ret); |
969 | return ret; | |
970 | } | |
971 | ||
d650097b MK |
972 | WARN_ON(ar->num_started_vdevs == 0); |
973 | ||
974 | if (ar->num_started_vdevs != 0) { | |
975 | ar->num_started_vdevs--; | |
976 | ath10k_recalc_radar_detection(ar); | |
977 | } | |
978 | ||
72654fa7 MK |
979 | return ret; |
980 | } | |
981 | ||
fbb8f1b7 MK |
982 | static int ath10k_mac_setup_bcn_p2p_ie(struct ath10k_vif *arvif, |
983 | struct sk_buff *bcn) | |
984 | { | |
985 | struct ath10k *ar = arvif->ar; | |
986 | struct ieee80211_mgmt *mgmt; | |
987 | const u8 *p2p_ie; | |
988 | int ret; | |
989 | ||
990 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP) | |
991 | return 0; | |
992 | ||
993 | if (arvif->vdev_subtype != WMI_VDEV_SUBTYPE_P2P_GO) | |
994 | return 0; | |
995 | ||
996 | mgmt = (void *)bcn->data; | |
997 | p2p_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P, | |
998 | mgmt->u.beacon.variable, | |
999 | bcn->len - (mgmt->u.beacon.variable - | |
1000 | bcn->data)); | |
1001 | if (!p2p_ie) | |
1002 | return -ENOENT; | |
1003 | ||
1004 | ret = ath10k_wmi_p2p_go_bcn_ie(ar, arvif->vdev_id, p2p_ie); | |
1005 | if (ret) { | |
1006 | ath10k_warn(ar, "failed to submit p2p go bcn ie for vdev %i: %d\n", | |
1007 | arvif->vdev_id, ret); | |
1008 | return ret; | |
1009 | } | |
1010 | ||
1011 | return 0; | |
1012 | } | |
1013 | ||
1014 | static int ath10k_mac_remove_vendor_ie(struct sk_buff *skb, unsigned int oui, | |
1015 | u8 oui_type, size_t ie_offset) | |
1016 | { | |
1017 | size_t len; | |
1018 | const u8 *next; | |
1019 | const u8 *end; | |
1020 | u8 *ie; | |
1021 | ||
1022 | if (WARN_ON(skb->len < ie_offset)) | |
1023 | return -EINVAL; | |
1024 | ||
1025 | ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type, | |
1026 | skb->data + ie_offset, | |
1027 | skb->len - ie_offset); | |
1028 | if (!ie) | |
1029 | return -ENOENT; | |
1030 | ||
1031 | len = ie[1] + 2; | |
1032 | end = skb->data + skb->len; | |
1033 | next = ie + len; | |
1034 | ||
1035 | if (WARN_ON(next > end)) | |
1036 | return -EINVAL; | |
1037 | ||
1038 | memmove(ie, next, end - next); | |
1039 | skb_trim(skb, skb->len - len); | |
1040 | ||
1041 | return 0; | |
1042 | } | |
1043 | ||
1044 | static int ath10k_mac_setup_bcn_tmpl(struct ath10k_vif *arvif) | |
1045 | { | |
1046 | struct ath10k *ar = arvif->ar; | |
1047 | struct ieee80211_hw *hw = ar->hw; | |
1048 | struct ieee80211_vif *vif = arvif->vif; | |
1049 | struct ieee80211_mutable_offsets offs = {}; | |
1050 | struct sk_buff *bcn; | |
1051 | int ret; | |
1052 | ||
1053 | if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) | |
1054 | return 0; | |
1055 | ||
1056 | bcn = ieee80211_beacon_get_template(hw, vif, &offs); | |
1057 | if (!bcn) { | |
1058 | ath10k_warn(ar, "failed to get beacon template from mac80211\n"); | |
1059 | return -EPERM; | |
1060 | } | |
1061 | ||
1062 | ret = ath10k_mac_setup_bcn_p2p_ie(arvif, bcn); | |
1063 | if (ret) { | |
1064 | ath10k_warn(ar, "failed to setup p2p go bcn ie: %d\n", ret); | |
1065 | kfree_skb(bcn); | |
1066 | return ret; | |
1067 | } | |
1068 | ||
1069 | /* P2P IE is inserted by firmware automatically (as configured above) | |
1070 | * so remove it from the base beacon template to avoid duplicate P2P | |
1071 | * IEs in beacon frames. | |
1072 | */ | |
1073 | ath10k_mac_remove_vendor_ie(bcn, WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P, | |
1074 | offsetof(struct ieee80211_mgmt, | |
1075 | u.beacon.variable)); | |
1076 | ||
1077 | ret = ath10k_wmi_bcn_tmpl(ar, arvif->vdev_id, offs.tim_offset, bcn, 0, | |
1078 | 0, NULL, 0); | |
1079 | kfree_skb(bcn); | |
1080 | ||
1081 | if (ret) { | |
1082 | ath10k_warn(ar, "failed to submit beacon template command: %d\n", | |
1083 | ret); | |
1084 | return ret; | |
1085 | } | |
1086 | ||
1087 | return 0; | |
1088 | } | |
1089 | ||
1090 | static int ath10k_mac_setup_prb_tmpl(struct ath10k_vif *arvif) | |
1091 | { | |
1092 | struct ath10k *ar = arvif->ar; | |
1093 | struct ieee80211_hw *hw = ar->hw; | |
1094 | struct ieee80211_vif *vif = arvif->vif; | |
1095 | struct sk_buff *prb; | |
1096 | int ret; | |
1097 | ||
1098 | if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) | |
1099 | return 0; | |
1100 | ||
1101 | prb = ieee80211_proberesp_get(hw, vif); | |
1102 | if (!prb) { | |
1103 | ath10k_warn(ar, "failed to get probe resp template from mac80211\n"); | |
1104 | return -EPERM; | |
1105 | } | |
1106 | ||
1107 | ret = ath10k_wmi_prb_tmpl(ar, arvif->vdev_id, prb); | |
1108 | kfree_skb(prb); | |
1109 | ||
1110 | if (ret) { | |
1111 | ath10k_warn(ar, "failed to submit probe resp template command: %d\n", | |
1112 | ret); | |
1113 | return ret; | |
1114 | } | |
1115 | ||
1116 | return 0; | |
1117 | } | |
1118 | ||
5e3dd157 | 1119 | static void ath10k_control_beaconing(struct ath10k_vif *arvif, |
5b07e07f | 1120 | struct ieee80211_bss_conf *info) |
5e3dd157 | 1121 | { |
7aa7a72a | 1122 | struct ath10k *ar = arvif->ar; |
5e3dd157 KV |
1123 | int ret = 0; |
1124 | ||
548db54c MK |
1125 | lockdep_assert_held(&arvif->ar->conf_mutex); |
1126 | ||
5e3dd157 KV |
1127 | if (!info->enable_beacon) { |
1128 | ath10k_vdev_stop(arvif); | |
c930f744 MK |
1129 | |
1130 | arvif->is_started = false; | |
1131 | arvif->is_up = false; | |
1132 | ||
748afc47 | 1133 | spin_lock_bh(&arvif->ar->data_lock); |
64badcb6 | 1134 | ath10k_mac_vif_beacon_free(arvif); |
748afc47 MK |
1135 | spin_unlock_bh(&arvif->ar->data_lock); |
1136 | ||
5e3dd157 KV |
1137 | return; |
1138 | } | |
1139 | ||
1140 | arvif->tx_seq_no = 0x1000; | |
1141 | ||
1142 | ret = ath10k_vdev_start(arvif); | |
1143 | if (ret) | |
1144 | return; | |
1145 | ||
c930f744 | 1146 | arvif->aid = 0; |
b25f32cb | 1147 | ether_addr_copy(arvif->bssid, info->bssid); |
c930f744 MK |
1148 | |
1149 | ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid, | |
1150 | arvif->bssid); | |
5e3dd157 | 1151 | if (ret) { |
7aa7a72a | 1152 | ath10k_warn(ar, "failed to bring up vdev %d: %i\n", |
69244e56 | 1153 | arvif->vdev_id, ret); |
c930f744 | 1154 | ath10k_vdev_stop(arvif); |
5e3dd157 KV |
1155 | return; |
1156 | } | |
c930f744 MK |
1157 | |
1158 | arvif->is_started = true; | |
1159 | arvif->is_up = true; | |
1160 | ||
7aa7a72a | 1161 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d up\n", arvif->vdev_id); |
5e3dd157 KV |
1162 | } |
1163 | ||
1164 | static void ath10k_control_ibss(struct ath10k_vif *arvif, | |
1165 | struct ieee80211_bss_conf *info, | |
1166 | const u8 self_peer[ETH_ALEN]) | |
1167 | { | |
7aa7a72a | 1168 | struct ath10k *ar = arvif->ar; |
6d1506e7 | 1169 | u32 vdev_param; |
5e3dd157 KV |
1170 | int ret = 0; |
1171 | ||
548db54c MK |
1172 | lockdep_assert_held(&arvif->ar->conf_mutex); |
1173 | ||
5e3dd157 KV |
1174 | if (!info->ibss_joined) { |
1175 | ret = ath10k_peer_delete(arvif->ar, arvif->vdev_id, self_peer); | |
1176 | if (ret) | |
7aa7a72a | 1177 | ath10k_warn(ar, "failed to delete IBSS self peer %pM for vdev %d: %d\n", |
5e3dd157 KV |
1178 | self_peer, arvif->vdev_id, ret); |
1179 | ||
c930f744 | 1180 | if (is_zero_ether_addr(arvif->bssid)) |
5e3dd157 KV |
1181 | return; |
1182 | ||
c930f744 | 1183 | memset(arvif->bssid, 0, ETH_ALEN); |
5e3dd157 KV |
1184 | |
1185 | return; | |
1186 | } | |
1187 | ||
1188 | ret = ath10k_peer_create(arvif->ar, arvif->vdev_id, self_peer); | |
1189 | if (ret) { | |
7aa7a72a | 1190 | ath10k_warn(ar, "failed to create IBSS self peer %pM for vdev %d: %d\n", |
5e3dd157 KV |
1191 | self_peer, arvif->vdev_id, ret); |
1192 | return; | |
1193 | } | |
1194 | ||
6d1506e7 BM |
1195 | vdev_param = arvif->ar->wmi.vdev_param->atim_window; |
1196 | ret = ath10k_wmi_vdev_set_param(arvif->ar, arvif->vdev_id, vdev_param, | |
5e3dd157 KV |
1197 | ATH10K_DEFAULT_ATIM); |
1198 | if (ret) | |
7aa7a72a | 1199 | ath10k_warn(ar, "failed to set IBSS ATIM for vdev %d: %d\n", |
5e3dd157 KV |
1200 | arvif->vdev_id, ret); |
1201 | } | |
1202 | ||
9f9b5746 MK |
1203 | static int ath10k_mac_vif_recalc_ps_wake_threshold(struct ath10k_vif *arvif) |
1204 | { | |
1205 | struct ath10k *ar = arvif->ar; | |
1206 | u32 param; | |
1207 | u32 value; | |
1208 | int ret; | |
1209 | ||
1210 | lockdep_assert_held(&arvif->ar->conf_mutex); | |
1211 | ||
1212 | if (arvif->u.sta.uapsd) | |
1213 | value = WMI_STA_PS_TX_WAKE_THRESHOLD_NEVER; | |
1214 | else | |
1215 | value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS; | |
1216 | ||
1217 | param = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD; | |
1218 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param, value); | |
1219 | if (ret) { | |
1220 | ath10k_warn(ar, "failed to submit ps wake threshold %u on vdev %i: %d\n", | |
1221 | value, arvif->vdev_id, ret); | |
1222 | return ret; | |
1223 | } | |
1224 | ||
1225 | return 0; | |
1226 | } | |
1227 | ||
1228 | static int ath10k_mac_vif_recalc_ps_poll_count(struct ath10k_vif *arvif) | |
1229 | { | |
1230 | struct ath10k *ar = arvif->ar; | |
1231 | u32 param; | |
1232 | u32 value; | |
1233 | int ret; | |
1234 | ||
1235 | lockdep_assert_held(&arvif->ar->conf_mutex); | |
1236 | ||
1237 | if (arvif->u.sta.uapsd) | |
1238 | value = WMI_STA_PS_PSPOLL_COUNT_UAPSD; | |
1239 | else | |
1240 | value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX; | |
1241 | ||
1242 | param = WMI_STA_PS_PARAM_PSPOLL_COUNT; | |
1243 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
1244 | param, value); | |
1245 | if (ret) { | |
1246 | ath10k_warn(ar, "failed to submit ps poll count %u on vdev %i: %d\n", | |
1247 | value, arvif->vdev_id, ret); | |
1248 | return ret; | |
1249 | } | |
1250 | ||
1251 | return 0; | |
1252 | } | |
1253 | ||
ad088bfa | 1254 | static int ath10k_mac_vif_setup_ps(struct ath10k_vif *arvif) |
5e3dd157 | 1255 | { |
ad088bfa | 1256 | struct ath10k *ar = arvif->ar; |
526549a8 | 1257 | struct ieee80211_vif *vif = arvif->vif; |
ad088bfa | 1258 | struct ieee80211_conf *conf = &ar->hw->conf; |
5e3dd157 KV |
1259 | enum wmi_sta_powersave_param param; |
1260 | enum wmi_sta_ps_mode psmode; | |
1261 | int ret; | |
526549a8 | 1262 | int ps_timeout; |
5e3dd157 | 1263 | |
548db54c MK |
1264 | lockdep_assert_held(&arvif->ar->conf_mutex); |
1265 | ||
ad088bfa MK |
1266 | if (arvif->vif->type != NL80211_IFTYPE_STATION) |
1267 | return 0; | |
5e3dd157 | 1268 | |
bf14e65c | 1269 | if (vif->bss_conf.ps) { |
5e3dd157 KV |
1270 | psmode = WMI_STA_PS_MODE_ENABLED; |
1271 | param = WMI_STA_PS_PARAM_INACTIVITY_TIME; | |
1272 | ||
526549a8 MK |
1273 | ps_timeout = conf->dynamic_ps_timeout; |
1274 | if (ps_timeout == 0) { | |
1275 | /* Firmware doesn't like 0 */ | |
1276 | ps_timeout = ieee80211_tu_to_usec( | |
1277 | vif->bss_conf.beacon_int) / 1000; | |
1278 | } | |
1279 | ||
ad088bfa | 1280 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param, |
526549a8 | 1281 | ps_timeout); |
5e3dd157 | 1282 | if (ret) { |
7aa7a72a | 1283 | ath10k_warn(ar, "failed to set inactivity time for vdev %d: %i\n", |
69244e56 | 1284 | arvif->vdev_id, ret); |
ad088bfa | 1285 | return ret; |
5e3dd157 | 1286 | } |
5e3dd157 KV |
1287 | } else { |
1288 | psmode = WMI_STA_PS_MODE_DISABLED; | |
1289 | } | |
1290 | ||
7aa7a72a | 1291 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d psmode %s\n", |
60c3daa8 KV |
1292 | arvif->vdev_id, psmode ? "enable" : "disable"); |
1293 | ||
ad088bfa MK |
1294 | ret = ath10k_wmi_set_psmode(ar, arvif->vdev_id, psmode); |
1295 | if (ret) { | |
7aa7a72a | 1296 | ath10k_warn(ar, "failed to set PS Mode %d for vdev %d: %d\n", |
be6546fc | 1297 | psmode, arvif->vdev_id, ret); |
ad088bfa MK |
1298 | return ret; |
1299 | } | |
1300 | ||
1301 | return 0; | |
5e3dd157 KV |
1302 | } |
1303 | ||
46725b15 MK |
1304 | static int ath10k_mac_vif_disable_keepalive(struct ath10k_vif *arvif) |
1305 | { | |
1306 | struct ath10k *ar = arvif->ar; | |
1307 | struct wmi_sta_keepalive_arg arg = {}; | |
1308 | int ret; | |
1309 | ||
1310 | lockdep_assert_held(&arvif->ar->conf_mutex); | |
1311 | ||
1312 | if (arvif->vdev_type != WMI_VDEV_TYPE_STA) | |
1313 | return 0; | |
1314 | ||
1315 | if (!test_bit(WMI_SERVICE_STA_KEEP_ALIVE, ar->wmi.svc_map)) | |
1316 | return 0; | |
1317 | ||
1318 | /* Some firmware revisions have a bug and ignore the `enabled` field. | |
1319 | * Instead use the interval to disable the keepalive. | |
1320 | */ | |
1321 | arg.vdev_id = arvif->vdev_id; | |
1322 | arg.enabled = 1; | |
1323 | arg.method = WMI_STA_KEEPALIVE_METHOD_NULL_FRAME; | |
1324 | arg.interval = WMI_STA_KEEPALIVE_INTERVAL_DISABLE; | |
1325 | ||
1326 | ret = ath10k_wmi_sta_keepalive(ar, &arg); | |
1327 | if (ret) { | |
1328 | ath10k_warn(ar, "failed to submit keepalive on vdev %i: %d\n", | |
1329 | arvif->vdev_id, ret); | |
1330 | return ret; | |
1331 | } | |
1332 | ||
1333 | return 0; | |
1334 | } | |
1335 | ||
5e3dd157 KV |
1336 | /**********************/ |
1337 | /* Station management */ | |
1338 | /**********************/ | |
1339 | ||
590922a8 MK |
1340 | static u32 ath10k_peer_assoc_h_listen_intval(struct ath10k *ar, |
1341 | struct ieee80211_vif *vif) | |
1342 | { | |
1343 | /* Some firmware revisions have unstable STA powersave when listen | |
1344 | * interval is set too high (e.g. 5). The symptoms are firmware doesn't | |
1345 | * generate NullFunc frames properly even if buffered frames have been | |
1346 | * indicated in Beacon TIM. Firmware would seldom wake up to pull | |
1347 | * buffered frames. Often pinging the device from AP would simply fail. | |
1348 | * | |
1349 | * As a workaround set it to 1. | |
1350 | */ | |
1351 | if (vif->type == NL80211_IFTYPE_STATION) | |
1352 | return 1; | |
1353 | ||
1354 | return ar->hw->conf.listen_interval; | |
1355 | } | |
1356 | ||
5e3dd157 | 1357 | static void ath10k_peer_assoc_h_basic(struct ath10k *ar, |
590922a8 | 1358 | struct ieee80211_vif *vif, |
5e3dd157 | 1359 | struct ieee80211_sta *sta, |
5e3dd157 KV |
1360 | struct wmi_peer_assoc_complete_arg *arg) |
1361 | { | |
590922a8 MK |
1362 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
1363 | ||
548db54c MK |
1364 | lockdep_assert_held(&ar->conf_mutex); |
1365 | ||
b25f32cb | 1366 | ether_addr_copy(arg->addr, sta->addr); |
5e3dd157 KV |
1367 | arg->vdev_id = arvif->vdev_id; |
1368 | arg->peer_aid = sta->aid; | |
1369 | arg->peer_flags |= WMI_PEER_AUTH; | |
590922a8 | 1370 | arg->peer_listen_intval = ath10k_peer_assoc_h_listen_intval(ar, vif); |
5e3dd157 | 1371 | arg->peer_num_spatial_streams = 1; |
590922a8 | 1372 | arg->peer_caps = vif->bss_conf.assoc_capability; |
5e3dd157 KV |
1373 | } |
1374 | ||
1375 | static void ath10k_peer_assoc_h_crypto(struct ath10k *ar, | |
590922a8 | 1376 | struct ieee80211_vif *vif, |
5e3dd157 KV |
1377 | struct wmi_peer_assoc_complete_arg *arg) |
1378 | { | |
5e3dd157 KV |
1379 | struct ieee80211_bss_conf *info = &vif->bss_conf; |
1380 | struct cfg80211_bss *bss; | |
1381 | const u8 *rsnie = NULL; | |
1382 | const u8 *wpaie = NULL; | |
1383 | ||
548db54c MK |
1384 | lockdep_assert_held(&ar->conf_mutex); |
1385 | ||
5e3dd157 KV |
1386 | bss = cfg80211_get_bss(ar->hw->wiphy, ar->hw->conf.chandef.chan, |
1387 | info->bssid, NULL, 0, 0, 0); | |
1388 | if (bss) { | |
1389 | const struct cfg80211_bss_ies *ies; | |
1390 | ||
1391 | rcu_read_lock(); | |
1392 | rsnie = ieee80211_bss_get_ie(bss, WLAN_EID_RSN); | |
1393 | ||
1394 | ies = rcu_dereference(bss->ies); | |
1395 | ||
1396 | wpaie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, | |
5b07e07f KV |
1397 | WLAN_OUI_TYPE_MICROSOFT_WPA, |
1398 | ies->data, | |
1399 | ies->len); | |
5e3dd157 KV |
1400 | rcu_read_unlock(); |
1401 | cfg80211_put_bss(ar->hw->wiphy, bss); | |
1402 | } | |
1403 | ||
1404 | /* FIXME: base on RSN IE/WPA IE is a correct idea? */ | |
1405 | if (rsnie || wpaie) { | |
7aa7a72a | 1406 | ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: rsn ie found\n", __func__); |
5e3dd157 KV |
1407 | arg->peer_flags |= WMI_PEER_NEED_PTK_4_WAY; |
1408 | } | |
1409 | ||
1410 | if (wpaie) { | |
7aa7a72a | 1411 | ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: wpa ie found\n", __func__); |
5e3dd157 KV |
1412 | arg->peer_flags |= WMI_PEER_NEED_GTK_2_WAY; |
1413 | } | |
1414 | } | |
1415 | ||
1416 | static void ath10k_peer_assoc_h_rates(struct ath10k *ar, | |
1417 | struct ieee80211_sta *sta, | |
1418 | struct wmi_peer_assoc_complete_arg *arg) | |
1419 | { | |
1420 | struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates; | |
1421 | const struct ieee80211_supported_band *sband; | |
1422 | const struct ieee80211_rate *rates; | |
1423 | u32 ratemask; | |
1424 | int i; | |
1425 | ||
548db54c MK |
1426 | lockdep_assert_held(&ar->conf_mutex); |
1427 | ||
5e3dd157 KV |
1428 | sband = ar->hw->wiphy->bands[ar->hw->conf.chandef.chan->band]; |
1429 | ratemask = sta->supp_rates[ar->hw->conf.chandef.chan->band]; | |
1430 | rates = sband->bitrates; | |
1431 | ||
1432 | rateset->num_rates = 0; | |
1433 | ||
1434 | for (i = 0; i < 32; i++, ratemask >>= 1, rates++) { | |
1435 | if (!(ratemask & 1)) | |
1436 | continue; | |
1437 | ||
1438 | rateset->rates[rateset->num_rates] = rates->hw_value; | |
1439 | rateset->num_rates++; | |
1440 | } | |
1441 | } | |
1442 | ||
1443 | static void ath10k_peer_assoc_h_ht(struct ath10k *ar, | |
1444 | struct ieee80211_sta *sta, | |
1445 | struct wmi_peer_assoc_complete_arg *arg) | |
1446 | { | |
1447 | const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; | |
5e3dd157 | 1448 | int i, n; |
af762c0b | 1449 | u32 stbc; |
5e3dd157 | 1450 | |
548db54c MK |
1451 | lockdep_assert_held(&ar->conf_mutex); |
1452 | ||
5e3dd157 KV |
1453 | if (!ht_cap->ht_supported) |
1454 | return; | |
1455 | ||
1456 | arg->peer_flags |= WMI_PEER_HT; | |
1457 | arg->peer_max_mpdu = (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR + | |
1458 | ht_cap->ampdu_factor)) - 1; | |
1459 | ||
1460 | arg->peer_mpdu_density = | |
1461 | ath10k_parse_mpdudensity(ht_cap->ampdu_density); | |
1462 | ||
1463 | arg->peer_ht_caps = ht_cap->cap; | |
1464 | arg->peer_rate_caps |= WMI_RC_HT_FLAG; | |
1465 | ||
1466 | if (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING) | |
1467 | arg->peer_flags |= WMI_PEER_LDPC; | |
1468 | ||
1469 | if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) { | |
1470 | arg->peer_flags |= WMI_PEER_40MHZ; | |
1471 | arg->peer_rate_caps |= WMI_RC_CW40_FLAG; | |
1472 | } | |
1473 | ||
1474 | if (ht_cap->cap & IEEE80211_HT_CAP_SGI_20) | |
1475 | arg->peer_rate_caps |= WMI_RC_SGI_FLAG; | |
1476 | ||
1477 | if (ht_cap->cap & IEEE80211_HT_CAP_SGI_40) | |
1478 | arg->peer_rate_caps |= WMI_RC_SGI_FLAG; | |
1479 | ||
1480 | if (ht_cap->cap & IEEE80211_HT_CAP_TX_STBC) { | |
1481 | arg->peer_rate_caps |= WMI_RC_TX_STBC_FLAG; | |
1482 | arg->peer_flags |= WMI_PEER_STBC; | |
1483 | } | |
1484 | ||
1485 | if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) { | |
5e3dd157 KV |
1486 | stbc = ht_cap->cap & IEEE80211_HT_CAP_RX_STBC; |
1487 | stbc = stbc >> IEEE80211_HT_CAP_RX_STBC_SHIFT; | |
1488 | stbc = stbc << WMI_RC_RX_STBC_FLAG_S; | |
1489 | arg->peer_rate_caps |= stbc; | |
1490 | arg->peer_flags |= WMI_PEER_STBC; | |
1491 | } | |
1492 | ||
5e3dd157 KV |
1493 | if (ht_cap->mcs.rx_mask[1] && ht_cap->mcs.rx_mask[2]) |
1494 | arg->peer_rate_caps |= WMI_RC_TS_FLAG; | |
1495 | else if (ht_cap->mcs.rx_mask[1]) | |
1496 | arg->peer_rate_caps |= WMI_RC_DS_FLAG; | |
1497 | ||
1498 | for (i = 0, n = 0; i < IEEE80211_HT_MCS_MASK_LEN*8; i++) | |
1499 | if (ht_cap->mcs.rx_mask[i/8] & (1 << i%8)) | |
1500 | arg->peer_ht_rates.rates[n++] = i; | |
1501 | ||
fd71f807 BM |
1502 | /* |
1503 | * This is a workaround for HT-enabled STAs which break the spec | |
1504 | * and have no HT capabilities RX mask (no HT RX MCS map). | |
1505 | * | |
1506 | * As per spec, in section 20.3.5 Modulation and coding scheme (MCS), | |
1507 | * MCS 0 through 7 are mandatory in 20MHz with 800 ns GI at all STAs. | |
1508 | * | |
1509 | * Firmware asserts if such situation occurs. | |
1510 | */ | |
1511 | if (n == 0) { | |
1512 | arg->peer_ht_rates.num_rates = 8; | |
1513 | for (i = 0; i < arg->peer_ht_rates.num_rates; i++) | |
1514 | arg->peer_ht_rates.rates[i] = i; | |
1515 | } else { | |
1516 | arg->peer_ht_rates.num_rates = n; | |
1517 | arg->peer_num_spatial_streams = sta->rx_nss; | |
1518 | } | |
5e3dd157 | 1519 | |
7aa7a72a | 1520 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ht peer %pM mcs cnt %d nss %d\n", |
60c3daa8 | 1521 | arg->addr, |
5e3dd157 KV |
1522 | arg->peer_ht_rates.num_rates, |
1523 | arg->peer_num_spatial_streams); | |
1524 | } | |
1525 | ||
d3d3ff42 JD |
1526 | static int ath10k_peer_assoc_qos_ap(struct ath10k *ar, |
1527 | struct ath10k_vif *arvif, | |
1528 | struct ieee80211_sta *sta) | |
5e3dd157 KV |
1529 | { |
1530 | u32 uapsd = 0; | |
1531 | u32 max_sp = 0; | |
d3d3ff42 | 1532 | int ret = 0; |
5e3dd157 | 1533 | |
548db54c MK |
1534 | lockdep_assert_held(&ar->conf_mutex); |
1535 | ||
5e3dd157 | 1536 | if (sta->wme && sta->uapsd_queues) { |
7aa7a72a | 1537 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac uapsd_queues 0x%x max_sp %d\n", |
5e3dd157 KV |
1538 | sta->uapsd_queues, sta->max_sp); |
1539 | ||
5e3dd157 KV |
1540 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) |
1541 | uapsd |= WMI_AP_PS_UAPSD_AC3_DELIVERY_EN | | |
1542 | WMI_AP_PS_UAPSD_AC3_TRIGGER_EN; | |
1543 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI) | |
1544 | uapsd |= WMI_AP_PS_UAPSD_AC2_DELIVERY_EN | | |
1545 | WMI_AP_PS_UAPSD_AC2_TRIGGER_EN; | |
1546 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK) | |
1547 | uapsd |= WMI_AP_PS_UAPSD_AC1_DELIVERY_EN | | |
1548 | WMI_AP_PS_UAPSD_AC1_TRIGGER_EN; | |
1549 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE) | |
1550 | uapsd |= WMI_AP_PS_UAPSD_AC0_DELIVERY_EN | | |
1551 | WMI_AP_PS_UAPSD_AC0_TRIGGER_EN; | |
1552 | ||
5e3dd157 KV |
1553 | if (sta->max_sp < MAX_WMI_AP_PS_PEER_PARAM_MAX_SP) |
1554 | max_sp = sta->max_sp; | |
1555 | ||
d3d3ff42 JD |
1556 | ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, |
1557 | sta->addr, | |
1558 | WMI_AP_PS_PEER_PARAM_UAPSD, | |
1559 | uapsd); | |
1560 | if (ret) { | |
7aa7a72a | 1561 | ath10k_warn(ar, "failed to set ap ps peer param uapsd for vdev %i: %d\n", |
69244e56 | 1562 | arvif->vdev_id, ret); |
d3d3ff42 JD |
1563 | return ret; |
1564 | } | |
5e3dd157 | 1565 | |
d3d3ff42 JD |
1566 | ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, |
1567 | sta->addr, | |
1568 | WMI_AP_PS_PEER_PARAM_MAX_SP, | |
1569 | max_sp); | |
1570 | if (ret) { | |
7aa7a72a | 1571 | ath10k_warn(ar, "failed to set ap ps peer param max sp for vdev %i: %d\n", |
69244e56 | 1572 | arvif->vdev_id, ret); |
d3d3ff42 JD |
1573 | return ret; |
1574 | } | |
5e3dd157 KV |
1575 | |
1576 | /* TODO setup this based on STA listen interval and | |
1577 | beacon interval. Currently we don't know | |
1578 | sta->listen_interval - mac80211 patch required. | |
1579 | Currently use 10 seconds */ | |
d3d3ff42 | 1580 | ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, sta->addr, |
5b07e07f KV |
1581 | WMI_AP_PS_PEER_PARAM_AGEOUT_TIME, |
1582 | 10); | |
d3d3ff42 | 1583 | if (ret) { |
7aa7a72a | 1584 | ath10k_warn(ar, "failed to set ap ps peer param ageout time for vdev %i: %d\n", |
69244e56 | 1585 | arvif->vdev_id, ret); |
d3d3ff42 JD |
1586 | return ret; |
1587 | } | |
5e3dd157 | 1588 | } |
5e3dd157 | 1589 | |
d3d3ff42 | 1590 | return 0; |
5e3dd157 KV |
1591 | } |
1592 | ||
1593 | static void ath10k_peer_assoc_h_vht(struct ath10k *ar, | |
1594 | struct ieee80211_sta *sta, | |
1595 | struct wmi_peer_assoc_complete_arg *arg) | |
1596 | { | |
1597 | const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap; | |
a24b88b5 | 1598 | u8 ampdu_factor; |
5e3dd157 KV |
1599 | |
1600 | if (!vht_cap->vht_supported) | |
1601 | return; | |
1602 | ||
1603 | arg->peer_flags |= WMI_PEER_VHT; | |
d68bb12a YL |
1604 | |
1605 | if (ar->hw->conf.chandef.chan->band == IEEE80211_BAND_2GHZ) | |
1606 | arg->peer_flags |= WMI_PEER_VHT_2G; | |
1607 | ||
5e3dd157 KV |
1608 | arg->peer_vht_caps = vht_cap->cap; |
1609 | ||
a24b88b5 SM |
1610 | ampdu_factor = (vht_cap->cap & |
1611 | IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >> | |
1612 | IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT; | |
1613 | ||
1614 | /* Workaround: Some Netgear/Linksys 11ac APs set Rx A-MPDU factor to | |
1615 | * zero in VHT IE. Using it would result in degraded throughput. | |
1616 | * arg->peer_max_mpdu at this point contains HT max_mpdu so keep | |
1617 | * it if VHT max_mpdu is smaller. */ | |
1618 | arg->peer_max_mpdu = max(arg->peer_max_mpdu, | |
1619 | (1U << (IEEE80211_HT_MAX_AMPDU_FACTOR + | |
1620 | ampdu_factor)) - 1); | |
1621 | ||
5e3dd157 KV |
1622 | if (sta->bandwidth == IEEE80211_STA_RX_BW_80) |
1623 | arg->peer_flags |= WMI_PEER_80MHZ; | |
1624 | ||
1625 | arg->peer_vht_rates.rx_max_rate = | |
1626 | __le16_to_cpu(vht_cap->vht_mcs.rx_highest); | |
1627 | arg->peer_vht_rates.rx_mcs_set = | |
1628 | __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map); | |
1629 | arg->peer_vht_rates.tx_max_rate = | |
1630 | __le16_to_cpu(vht_cap->vht_mcs.tx_highest); | |
1631 | arg->peer_vht_rates.tx_mcs_set = | |
1632 | __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map); | |
1633 | ||
7aa7a72a | 1634 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vht peer %pM max_mpdu %d flags 0x%x\n", |
60c3daa8 | 1635 | sta->addr, arg->peer_max_mpdu, arg->peer_flags); |
5e3dd157 KV |
1636 | } |
1637 | ||
1638 | static void ath10k_peer_assoc_h_qos(struct ath10k *ar, | |
590922a8 | 1639 | struct ieee80211_vif *vif, |
5e3dd157 | 1640 | struct ieee80211_sta *sta, |
5e3dd157 KV |
1641 | struct wmi_peer_assoc_complete_arg *arg) |
1642 | { | |
590922a8 MK |
1643 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
1644 | ||
5e3dd157 KV |
1645 | switch (arvif->vdev_type) { |
1646 | case WMI_VDEV_TYPE_AP: | |
d3d3ff42 JD |
1647 | if (sta->wme) |
1648 | arg->peer_flags |= WMI_PEER_QOS; | |
1649 | ||
1650 | if (sta->wme && sta->uapsd_queues) { | |
1651 | arg->peer_flags |= WMI_PEER_APSD; | |
1652 | arg->peer_rate_caps |= WMI_RC_UAPSD_FLAG; | |
1653 | } | |
5e3dd157 KV |
1654 | break; |
1655 | case WMI_VDEV_TYPE_STA: | |
590922a8 | 1656 | if (vif->bss_conf.qos) |
d3d3ff42 | 1657 | arg->peer_flags |= WMI_PEER_QOS; |
5e3dd157 | 1658 | break; |
627d9841 JD |
1659 | case WMI_VDEV_TYPE_IBSS: |
1660 | if (sta->wme) | |
1661 | arg->peer_flags |= WMI_PEER_QOS; | |
1662 | break; | |
5e3dd157 KV |
1663 | default: |
1664 | break; | |
1665 | } | |
627d9841 JD |
1666 | |
1667 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM qos %d\n", | |
1668 | sta->addr, !!(arg->peer_flags & WMI_PEER_QOS)); | |
5e3dd157 KV |
1669 | } |
1670 | ||
91b12089 MK |
1671 | static bool ath10k_mac_sta_has_11g_rates(struct ieee80211_sta *sta) |
1672 | { | |
1673 | /* First 4 rates in ath10k_rates are CCK (11b) rates. */ | |
1674 | return sta->supp_rates[IEEE80211_BAND_2GHZ] >> 4; | |
1675 | } | |
1676 | ||
5e3dd157 | 1677 | static void ath10k_peer_assoc_h_phymode(struct ath10k *ar, |
590922a8 | 1678 | struct ieee80211_vif *vif, |
5e3dd157 KV |
1679 | struct ieee80211_sta *sta, |
1680 | struct wmi_peer_assoc_complete_arg *arg) | |
1681 | { | |
1682 | enum wmi_phy_mode phymode = MODE_UNKNOWN; | |
1683 | ||
5e3dd157 KV |
1684 | switch (ar->hw->conf.chandef.chan->band) { |
1685 | case IEEE80211_BAND_2GHZ: | |
d68bb12a YL |
1686 | if (sta->vht_cap.vht_supported) { |
1687 | if (sta->bandwidth == IEEE80211_STA_RX_BW_40) | |
1688 | phymode = MODE_11AC_VHT40; | |
1689 | else | |
1690 | phymode = MODE_11AC_VHT20; | |
1691 | } else if (sta->ht_cap.ht_supported) { | |
5e3dd157 KV |
1692 | if (sta->bandwidth == IEEE80211_STA_RX_BW_40) |
1693 | phymode = MODE_11NG_HT40; | |
1694 | else | |
1695 | phymode = MODE_11NG_HT20; | |
91b12089 | 1696 | } else if (ath10k_mac_sta_has_11g_rates(sta)) { |
5e3dd157 | 1697 | phymode = MODE_11G; |
91b12089 MK |
1698 | } else { |
1699 | phymode = MODE_11B; | |
5e3dd157 KV |
1700 | } |
1701 | ||
1702 | break; | |
1703 | case IEEE80211_BAND_5GHZ: | |
7cc45e98 SM |
1704 | /* |
1705 | * Check VHT first. | |
1706 | */ | |
1707 | if (sta->vht_cap.vht_supported) { | |
1708 | if (sta->bandwidth == IEEE80211_STA_RX_BW_80) | |
1709 | phymode = MODE_11AC_VHT80; | |
1710 | else if (sta->bandwidth == IEEE80211_STA_RX_BW_40) | |
1711 | phymode = MODE_11AC_VHT40; | |
1712 | else if (sta->bandwidth == IEEE80211_STA_RX_BW_20) | |
1713 | phymode = MODE_11AC_VHT20; | |
1714 | } else if (sta->ht_cap.ht_supported) { | |
5e3dd157 KV |
1715 | if (sta->bandwidth == IEEE80211_STA_RX_BW_40) |
1716 | phymode = MODE_11NA_HT40; | |
1717 | else | |
1718 | phymode = MODE_11NA_HT20; | |
1719 | } else { | |
1720 | phymode = MODE_11A; | |
1721 | } | |
1722 | ||
1723 | break; | |
1724 | default: | |
1725 | break; | |
1726 | } | |
1727 | ||
7aa7a72a | 1728 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM phymode %s\n", |
38a1d47e | 1729 | sta->addr, ath10k_wmi_phymode_str(phymode)); |
60c3daa8 | 1730 | |
5e3dd157 KV |
1731 | arg->peer_phymode = phymode; |
1732 | WARN_ON(phymode == MODE_UNKNOWN); | |
1733 | } | |
1734 | ||
b9ada65d | 1735 | static int ath10k_peer_assoc_prepare(struct ath10k *ar, |
590922a8 | 1736 | struct ieee80211_vif *vif, |
b9ada65d | 1737 | struct ieee80211_sta *sta, |
b9ada65d | 1738 | struct wmi_peer_assoc_complete_arg *arg) |
5e3dd157 | 1739 | { |
548db54c MK |
1740 | lockdep_assert_held(&ar->conf_mutex); |
1741 | ||
b9ada65d | 1742 | memset(arg, 0, sizeof(*arg)); |
5e3dd157 | 1743 | |
590922a8 MK |
1744 | ath10k_peer_assoc_h_basic(ar, vif, sta, arg); |
1745 | ath10k_peer_assoc_h_crypto(ar, vif, arg); | |
b9ada65d KV |
1746 | ath10k_peer_assoc_h_rates(ar, sta, arg); |
1747 | ath10k_peer_assoc_h_ht(ar, sta, arg); | |
1748 | ath10k_peer_assoc_h_vht(ar, sta, arg); | |
590922a8 MK |
1749 | ath10k_peer_assoc_h_qos(ar, vif, sta, arg); |
1750 | ath10k_peer_assoc_h_phymode(ar, vif, sta, arg); | |
5e3dd157 | 1751 | |
b9ada65d | 1752 | return 0; |
5e3dd157 KV |
1753 | } |
1754 | ||
90046f50 MK |
1755 | static const u32 ath10k_smps_map[] = { |
1756 | [WLAN_HT_CAP_SM_PS_STATIC] = WMI_PEER_SMPS_STATIC, | |
1757 | [WLAN_HT_CAP_SM_PS_DYNAMIC] = WMI_PEER_SMPS_DYNAMIC, | |
1758 | [WLAN_HT_CAP_SM_PS_INVALID] = WMI_PEER_SMPS_PS_NONE, | |
1759 | [WLAN_HT_CAP_SM_PS_DISABLED] = WMI_PEER_SMPS_PS_NONE, | |
1760 | }; | |
1761 | ||
1762 | static int ath10k_setup_peer_smps(struct ath10k *ar, struct ath10k_vif *arvif, | |
1763 | const u8 *addr, | |
1764 | const struct ieee80211_sta_ht_cap *ht_cap) | |
1765 | { | |
1766 | int smps; | |
1767 | ||
1768 | if (!ht_cap->ht_supported) | |
1769 | return 0; | |
1770 | ||
1771 | smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS; | |
1772 | smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT; | |
1773 | ||
1774 | if (smps >= ARRAY_SIZE(ath10k_smps_map)) | |
1775 | return -EINVAL; | |
1776 | ||
1777 | return ath10k_wmi_peer_set_param(ar, arvif->vdev_id, addr, | |
1778 | WMI_PEER_SMPS_STATE, | |
1779 | ath10k_smps_map[smps]); | |
1780 | } | |
1781 | ||
139e170d MK |
1782 | static int ath10k_mac_vif_recalc_txbf(struct ath10k *ar, |
1783 | struct ieee80211_vif *vif, | |
1784 | struct ieee80211_sta_vht_cap vht_cap) | |
1785 | { | |
1786 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
1787 | int ret; | |
1788 | u32 param; | |
1789 | u32 value; | |
1790 | ||
1791 | if (!(ar->vht_cap_info & | |
1792 | (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | | |
1793 | IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE | | |
1794 | IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | | |
1795 | IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE))) | |
1796 | return 0; | |
1797 | ||
1798 | param = ar->wmi.vdev_param->txbf; | |
1799 | value = 0; | |
1800 | ||
1801 | if (WARN_ON(param == WMI_VDEV_PARAM_UNSUPPORTED)) | |
1802 | return 0; | |
1803 | ||
1804 | /* The following logic is correct. If a remote STA advertises support | |
1805 | * for being a beamformer then we should enable us being a beamformee. | |
1806 | */ | |
1807 | ||
1808 | if (ar->vht_cap_info & | |
1809 | (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | | |
1810 | IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) { | |
1811 | if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE) | |
1812 | value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE; | |
1813 | ||
1814 | if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE) | |
1815 | value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFEE; | |
1816 | } | |
1817 | ||
1818 | if (ar->vht_cap_info & | |
1819 | (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | | |
1820 | IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) { | |
1821 | if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE) | |
1822 | value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER; | |
1823 | ||
1824 | if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE) | |
1825 | value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFER; | |
1826 | } | |
1827 | ||
1828 | if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFEE) | |
1829 | value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE; | |
1830 | ||
1831 | if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFER) | |
1832 | value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER; | |
1833 | ||
1834 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, value); | |
1835 | if (ret) { | |
1836 | ath10k_warn(ar, "failed to submit vdev param txbf 0x%x: %d\n", | |
1837 | value, ret); | |
1838 | return ret; | |
1839 | } | |
1840 | ||
1841 | return 0; | |
1842 | } | |
1843 | ||
5e3dd157 KV |
1844 | /* can be called only in mac80211 callbacks due to `key_count` usage */ |
1845 | static void ath10k_bss_assoc(struct ieee80211_hw *hw, | |
1846 | struct ieee80211_vif *vif, | |
1847 | struct ieee80211_bss_conf *bss_conf) | |
1848 | { | |
1849 | struct ath10k *ar = hw->priv; | |
1850 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
90046f50 | 1851 | struct ieee80211_sta_ht_cap ht_cap; |
139e170d | 1852 | struct ieee80211_sta_vht_cap vht_cap; |
b9ada65d | 1853 | struct wmi_peer_assoc_complete_arg peer_arg; |
5e3dd157 KV |
1854 | struct ieee80211_sta *ap_sta; |
1855 | int ret; | |
1856 | ||
548db54c MK |
1857 | lockdep_assert_held(&ar->conf_mutex); |
1858 | ||
077efc8c MK |
1859 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i assoc bssid %pM aid %d\n", |
1860 | arvif->vdev_id, arvif->bssid, arvif->aid); | |
1861 | ||
5e3dd157 KV |
1862 | rcu_read_lock(); |
1863 | ||
1864 | ap_sta = ieee80211_find_sta(vif, bss_conf->bssid); | |
1865 | if (!ap_sta) { | |
7aa7a72a | 1866 | ath10k_warn(ar, "failed to find station entry for bss %pM vdev %i\n", |
69244e56 | 1867 | bss_conf->bssid, arvif->vdev_id); |
5e3dd157 KV |
1868 | rcu_read_unlock(); |
1869 | return; | |
1870 | } | |
1871 | ||
90046f50 MK |
1872 | /* ap_sta must be accessed only within rcu section which must be left |
1873 | * before calling ath10k_setup_peer_smps() which might sleep. */ | |
1874 | ht_cap = ap_sta->ht_cap; | |
139e170d | 1875 | vht_cap = ap_sta->vht_cap; |
90046f50 | 1876 | |
590922a8 | 1877 | ret = ath10k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg); |
5e3dd157 | 1878 | if (ret) { |
7aa7a72a | 1879 | ath10k_warn(ar, "failed to prepare peer assoc for %pM vdev %i: %d\n", |
69244e56 | 1880 | bss_conf->bssid, arvif->vdev_id, ret); |
5e3dd157 KV |
1881 | rcu_read_unlock(); |
1882 | return; | |
1883 | } | |
1884 | ||
1885 | rcu_read_unlock(); | |
1886 | ||
b9ada65d KV |
1887 | ret = ath10k_wmi_peer_assoc(ar, &peer_arg); |
1888 | if (ret) { | |
7aa7a72a | 1889 | ath10k_warn(ar, "failed to run peer assoc for %pM vdev %i: %d\n", |
69244e56 | 1890 | bss_conf->bssid, arvif->vdev_id, ret); |
b9ada65d KV |
1891 | return; |
1892 | } | |
1893 | ||
90046f50 MK |
1894 | ret = ath10k_setup_peer_smps(ar, arvif, bss_conf->bssid, &ht_cap); |
1895 | if (ret) { | |
7aa7a72a | 1896 | ath10k_warn(ar, "failed to setup peer SMPS for vdev %i: %d\n", |
69244e56 | 1897 | arvif->vdev_id, ret); |
90046f50 MK |
1898 | return; |
1899 | } | |
1900 | ||
139e170d MK |
1901 | ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap); |
1902 | if (ret) { | |
1903 | ath10k_warn(ar, "failed to recalc txbf for vdev %i on bss %pM: %d\n", | |
1904 | arvif->vdev_id, bss_conf->bssid, ret); | |
1905 | return; | |
1906 | } | |
1907 | ||
7aa7a72a | 1908 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
1909 | "mac vdev %d up (associated) bssid %pM aid %d\n", |
1910 | arvif->vdev_id, bss_conf->bssid, bss_conf->aid); | |
1911 | ||
077efc8c MK |
1912 | WARN_ON(arvif->is_up); |
1913 | ||
c930f744 | 1914 | arvif->aid = bss_conf->aid; |
b25f32cb | 1915 | ether_addr_copy(arvif->bssid, bss_conf->bssid); |
c930f744 MK |
1916 | |
1917 | ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid); | |
1918 | if (ret) { | |
7aa7a72a | 1919 | ath10k_warn(ar, "failed to set vdev %d up: %d\n", |
5e3dd157 | 1920 | arvif->vdev_id, ret); |
c930f744 MK |
1921 | return; |
1922 | } | |
1923 | ||
1924 | arvif->is_up = true; | |
5e3dd157 KV |
1925 | } |
1926 | ||
5e3dd157 KV |
1927 | static void ath10k_bss_disassoc(struct ieee80211_hw *hw, |
1928 | struct ieee80211_vif *vif) | |
1929 | { | |
1930 | struct ath10k *ar = hw->priv; | |
1931 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
139e170d | 1932 | struct ieee80211_sta_vht_cap vht_cap = {}; |
5e3dd157 KV |
1933 | int ret; |
1934 | ||
548db54c MK |
1935 | lockdep_assert_held(&ar->conf_mutex); |
1936 | ||
077efc8c MK |
1937 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i disassoc bssid %pM\n", |
1938 | arvif->vdev_id, arvif->bssid); | |
60c3daa8 | 1939 | |
5e3dd157 | 1940 | ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); |
077efc8c MK |
1941 | if (ret) |
1942 | ath10k_warn(ar, "faield to down vdev %i: %d\n", | |
1943 | arvif->vdev_id, ret); | |
5e3dd157 | 1944 | |
627613f8 SJ |
1945 | arvif->def_wep_key_idx = -1; |
1946 | ||
139e170d MK |
1947 | ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap); |
1948 | if (ret) { | |
1949 | ath10k_warn(ar, "failed to recalc txbf for vdev %i: %d\n", | |
1950 | arvif->vdev_id, ret); | |
1951 | return; | |
1952 | } | |
1953 | ||
c930f744 | 1954 | arvif->is_up = false; |
5e3dd157 KV |
1955 | } |
1956 | ||
590922a8 MK |
1957 | static int ath10k_station_assoc(struct ath10k *ar, |
1958 | struct ieee80211_vif *vif, | |
1959 | struct ieee80211_sta *sta, | |
1960 | bool reassoc) | |
5e3dd157 | 1961 | { |
590922a8 | 1962 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
b9ada65d | 1963 | struct wmi_peer_assoc_complete_arg peer_arg; |
5e3dd157 KV |
1964 | int ret = 0; |
1965 | ||
548db54c MK |
1966 | lockdep_assert_held(&ar->conf_mutex); |
1967 | ||
590922a8 | 1968 | ret = ath10k_peer_assoc_prepare(ar, vif, sta, &peer_arg); |
b9ada65d | 1969 | if (ret) { |
7aa7a72a | 1970 | ath10k_warn(ar, "failed to prepare WMI peer assoc for %pM vdev %i: %i\n", |
69244e56 | 1971 | sta->addr, arvif->vdev_id, ret); |
b9ada65d KV |
1972 | return ret; |
1973 | } | |
1974 | ||
44d6fa90 | 1975 | peer_arg.peer_reassoc = reassoc; |
b9ada65d | 1976 | ret = ath10k_wmi_peer_assoc(ar, &peer_arg); |
5e3dd157 | 1977 | if (ret) { |
7aa7a72a | 1978 | ath10k_warn(ar, "failed to run peer assoc for STA %pM vdev %i: %d\n", |
69244e56 | 1979 | sta->addr, arvif->vdev_id, ret); |
5e3dd157 KV |
1980 | return ret; |
1981 | } | |
1982 | ||
b1ecde36 MK |
1983 | /* Re-assoc is run only to update supported rates for given station. It |
1984 | * doesn't make much sense to reconfigure the peer completely. | |
1985 | */ | |
1986 | if (!reassoc) { | |
1987 | ret = ath10k_setup_peer_smps(ar, arvif, sta->addr, | |
1988 | &sta->ht_cap); | |
e81bd104 | 1989 | if (ret) { |
b1ecde36 | 1990 | ath10k_warn(ar, "failed to setup peer SMPS for vdev %d: %d\n", |
e81bd104 MK |
1991 | arvif->vdev_id, ret); |
1992 | return ret; | |
1993 | } | |
e81bd104 | 1994 | |
b1ecde36 MK |
1995 | ret = ath10k_peer_assoc_qos_ap(ar, arvif, sta); |
1996 | if (ret) { | |
1997 | ath10k_warn(ar, "failed to set qos params for STA %pM for vdev %i: %d\n", | |
1998 | sta->addr, arvif->vdev_id, ret); | |
1999 | return ret; | |
2000 | } | |
5e3dd157 | 2001 | |
b1ecde36 MK |
2002 | if (!sta->wme) { |
2003 | arvif->num_legacy_stations++; | |
2004 | ret = ath10k_recalc_rtscts_prot(arvif); | |
2005 | if (ret) { | |
2006 | ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n", | |
2007 | arvif->vdev_id, ret); | |
2008 | return ret; | |
2009 | } | |
2010 | } | |
2011 | ||
627613f8 SJ |
2012 | /* Plumb cached keys only for static WEP */ |
2013 | if (arvif->def_wep_key_idx != -1) { | |
2014 | ret = ath10k_install_peer_wep_keys(arvif, sta->addr); | |
2015 | if (ret) { | |
2016 | ath10k_warn(ar, "failed to install peer wep keys for vdev %i: %d\n", | |
2017 | arvif->vdev_id, ret); | |
2018 | return ret; | |
2019 | } | |
b1ecde36 | 2020 | } |
d3d3ff42 JD |
2021 | } |
2022 | ||
5e3dd157 KV |
2023 | return ret; |
2024 | } | |
2025 | ||
590922a8 MK |
2026 | static int ath10k_station_disassoc(struct ath10k *ar, |
2027 | struct ieee80211_vif *vif, | |
5e3dd157 KV |
2028 | struct ieee80211_sta *sta) |
2029 | { | |
590922a8 | 2030 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
5e3dd157 KV |
2031 | int ret = 0; |
2032 | ||
548db54c MK |
2033 | lockdep_assert_held(&ar->conf_mutex); |
2034 | ||
e81bd104 MK |
2035 | if (!sta->wme) { |
2036 | arvif->num_legacy_stations--; | |
2037 | ret = ath10k_recalc_rtscts_prot(arvif); | |
2038 | if (ret) { | |
7aa7a72a | 2039 | ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n", |
e81bd104 MK |
2040 | arvif->vdev_id, ret); |
2041 | return ret; | |
2042 | } | |
2043 | } | |
2044 | ||
5e3dd157 KV |
2045 | ret = ath10k_clear_peer_keys(arvif, sta->addr); |
2046 | if (ret) { | |
7aa7a72a | 2047 | ath10k_warn(ar, "failed to clear all peer wep keys for vdev %i: %d\n", |
69244e56 | 2048 | arvif->vdev_id, ret); |
5e3dd157 KV |
2049 | return ret; |
2050 | } | |
2051 | ||
2052 | return ret; | |
2053 | } | |
2054 | ||
2055 | /**************/ | |
2056 | /* Regulatory */ | |
2057 | /**************/ | |
2058 | ||
2059 | static int ath10k_update_channel_list(struct ath10k *ar) | |
2060 | { | |
2061 | struct ieee80211_hw *hw = ar->hw; | |
2062 | struct ieee80211_supported_band **bands; | |
2063 | enum ieee80211_band band; | |
2064 | struct ieee80211_channel *channel; | |
2065 | struct wmi_scan_chan_list_arg arg = {0}; | |
2066 | struct wmi_channel_arg *ch; | |
2067 | bool passive; | |
2068 | int len; | |
2069 | int ret; | |
2070 | int i; | |
2071 | ||
548db54c MK |
2072 | lockdep_assert_held(&ar->conf_mutex); |
2073 | ||
5e3dd157 KV |
2074 | bands = hw->wiphy->bands; |
2075 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
2076 | if (!bands[band]) | |
2077 | continue; | |
2078 | ||
2079 | for (i = 0; i < bands[band]->n_channels; i++) { | |
2080 | if (bands[band]->channels[i].flags & | |
2081 | IEEE80211_CHAN_DISABLED) | |
2082 | continue; | |
2083 | ||
2084 | arg.n_channels++; | |
2085 | } | |
2086 | } | |
2087 | ||
2088 | len = sizeof(struct wmi_channel_arg) * arg.n_channels; | |
2089 | arg.channels = kzalloc(len, GFP_KERNEL); | |
2090 | if (!arg.channels) | |
2091 | return -ENOMEM; | |
2092 | ||
2093 | ch = arg.channels; | |
2094 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
2095 | if (!bands[band]) | |
2096 | continue; | |
2097 | ||
2098 | for (i = 0; i < bands[band]->n_channels; i++) { | |
2099 | channel = &bands[band]->channels[i]; | |
2100 | ||
2101 | if (channel->flags & IEEE80211_CHAN_DISABLED) | |
2102 | continue; | |
2103 | ||
2104 | ch->allow_ht = true; | |
2105 | ||
2106 | /* FIXME: when should we really allow VHT? */ | |
2107 | ch->allow_vht = true; | |
2108 | ||
2109 | ch->allow_ibss = | |
8fe02e16 | 2110 | !(channel->flags & IEEE80211_CHAN_NO_IR); |
5e3dd157 KV |
2111 | |
2112 | ch->ht40plus = | |
2113 | !(channel->flags & IEEE80211_CHAN_NO_HT40PLUS); | |
2114 | ||
e8a50f8b MP |
2115 | ch->chan_radar = |
2116 | !!(channel->flags & IEEE80211_CHAN_RADAR); | |
2117 | ||
8fe02e16 | 2118 | passive = channel->flags & IEEE80211_CHAN_NO_IR; |
5e3dd157 KV |
2119 | ch->passive = passive; |
2120 | ||
2121 | ch->freq = channel->center_freq; | |
2d66721c | 2122 | ch->band_center_freq1 = channel->center_freq; |
89c5c843 | 2123 | ch->min_power = 0; |
02256930 MK |
2124 | ch->max_power = channel->max_power * 2; |
2125 | ch->max_reg_power = channel->max_reg_power * 2; | |
2126 | ch->max_antenna_gain = channel->max_antenna_gain * 2; | |
5e3dd157 KV |
2127 | ch->reg_class_id = 0; /* FIXME */ |
2128 | ||
2129 | /* FIXME: why use only legacy modes, why not any | |
2130 | * HT/VHT modes? Would that even make any | |
2131 | * difference? */ | |
2132 | if (channel->band == IEEE80211_BAND_2GHZ) | |
2133 | ch->mode = MODE_11G; | |
2134 | else | |
2135 | ch->mode = MODE_11A; | |
2136 | ||
2137 | if (WARN_ON_ONCE(ch->mode == MODE_UNKNOWN)) | |
2138 | continue; | |
2139 | ||
7aa7a72a | 2140 | ath10k_dbg(ar, ATH10K_DBG_WMI, |
60c3daa8 KV |
2141 | "mac channel [%zd/%d] freq %d maxpower %d regpower %d antenna %d mode %d\n", |
2142 | ch - arg.channels, arg.n_channels, | |
5e3dd157 KV |
2143 | ch->freq, ch->max_power, ch->max_reg_power, |
2144 | ch->max_antenna_gain, ch->mode); | |
2145 | ||
2146 | ch++; | |
2147 | } | |
2148 | } | |
2149 | ||
2150 | ret = ath10k_wmi_scan_chan_list(ar, &arg); | |
2151 | kfree(arg.channels); | |
2152 | ||
2153 | return ret; | |
2154 | } | |
2155 | ||
821af6ae MP |
2156 | static enum wmi_dfs_region |
2157 | ath10k_mac_get_dfs_region(enum nl80211_dfs_regions dfs_region) | |
2158 | { | |
2159 | switch (dfs_region) { | |
2160 | case NL80211_DFS_UNSET: | |
2161 | return WMI_UNINIT_DFS_DOMAIN; | |
2162 | case NL80211_DFS_FCC: | |
2163 | return WMI_FCC_DFS_DOMAIN; | |
2164 | case NL80211_DFS_ETSI: | |
2165 | return WMI_ETSI_DFS_DOMAIN; | |
2166 | case NL80211_DFS_JP: | |
2167 | return WMI_MKK4_DFS_DOMAIN; | |
2168 | } | |
2169 | return WMI_UNINIT_DFS_DOMAIN; | |
2170 | } | |
2171 | ||
f7843d7f | 2172 | static void ath10k_regd_update(struct ath10k *ar) |
5e3dd157 | 2173 | { |
5e3dd157 | 2174 | struct reg_dmn_pair_mapping *regpair; |
5e3dd157 | 2175 | int ret; |
821af6ae MP |
2176 | enum wmi_dfs_region wmi_dfs_reg; |
2177 | enum nl80211_dfs_regions nl_dfs_reg; | |
5e3dd157 | 2178 | |
f7843d7f | 2179 | lockdep_assert_held(&ar->conf_mutex); |
5e3dd157 KV |
2180 | |
2181 | ret = ath10k_update_channel_list(ar); | |
2182 | if (ret) | |
7aa7a72a | 2183 | ath10k_warn(ar, "failed to update channel list: %d\n", ret); |
5e3dd157 KV |
2184 | |
2185 | regpair = ar->ath_common.regulatory.regpair; | |
f7843d7f | 2186 | |
821af6ae MP |
2187 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) { |
2188 | nl_dfs_reg = ar->dfs_detector->region; | |
2189 | wmi_dfs_reg = ath10k_mac_get_dfs_region(nl_dfs_reg); | |
2190 | } else { | |
2191 | wmi_dfs_reg = WMI_UNINIT_DFS_DOMAIN; | |
2192 | } | |
2193 | ||
5e3dd157 KV |
2194 | /* Target allows setting up per-band regdomain but ath_common provides |
2195 | * a combined one only */ | |
2196 | ret = ath10k_wmi_pdev_set_regdomain(ar, | |
ef8c0017 KV |
2197 | regpair->reg_domain, |
2198 | regpair->reg_domain, /* 2ghz */ | |
2199 | regpair->reg_domain, /* 5ghz */ | |
5e3dd157 | 2200 | regpair->reg_2ghz_ctl, |
821af6ae MP |
2201 | regpair->reg_5ghz_ctl, |
2202 | wmi_dfs_reg); | |
5e3dd157 | 2203 | if (ret) |
7aa7a72a | 2204 | ath10k_warn(ar, "failed to set pdev regdomain: %d\n", ret); |
f7843d7f | 2205 | } |
548db54c | 2206 | |
f7843d7f MK |
2207 | static void ath10k_reg_notifier(struct wiphy *wiphy, |
2208 | struct regulatory_request *request) | |
2209 | { | |
2210 | struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); | |
2211 | struct ath10k *ar = hw->priv; | |
9702c686 | 2212 | bool result; |
f7843d7f MK |
2213 | |
2214 | ath_reg_notifier_apply(wiphy, request, &ar->ath_common.regulatory); | |
2215 | ||
9702c686 | 2216 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) { |
7aa7a72a | 2217 | ath10k_dbg(ar, ATH10K_DBG_REGULATORY, "dfs region 0x%x\n", |
9702c686 JD |
2218 | request->dfs_region); |
2219 | result = ar->dfs_detector->set_dfs_domain(ar->dfs_detector, | |
2220 | request->dfs_region); | |
2221 | if (!result) | |
7aa7a72a | 2222 | ath10k_warn(ar, "DFS region 0x%X not supported, will trigger radar for every pulse\n", |
9702c686 JD |
2223 | request->dfs_region); |
2224 | } | |
2225 | ||
f7843d7f MK |
2226 | mutex_lock(&ar->conf_mutex); |
2227 | if (ar->state == ATH10K_STATE_ON) | |
2228 | ath10k_regd_update(ar); | |
548db54c | 2229 | mutex_unlock(&ar->conf_mutex); |
5e3dd157 KV |
2230 | } |
2231 | ||
2232 | /***************/ | |
2233 | /* TX handlers */ | |
2234 | /***************/ | |
2235 | ||
42c3aa6f MK |
2236 | static u8 ath10k_tx_h_get_tid(struct ieee80211_hdr *hdr) |
2237 | { | |
2238 | if (ieee80211_is_mgmt(hdr->frame_control)) | |
2239 | return HTT_DATA_TX_EXT_TID_MGMT; | |
2240 | ||
2241 | if (!ieee80211_is_data_qos(hdr->frame_control)) | |
2242 | return HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST; | |
2243 | ||
2244 | if (!is_unicast_ether_addr(ieee80211_get_DA(hdr))) | |
2245 | return HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST; | |
2246 | ||
2247 | return ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK; | |
2248 | } | |
2249 | ||
2b37c295 | 2250 | static u8 ath10k_tx_h_get_vdev_id(struct ath10k *ar, struct ieee80211_vif *vif) |
ddb6ad77 | 2251 | { |
2b37c295 MK |
2252 | if (vif) |
2253 | return ath10k_vif_to_arvif(vif)->vdev_id; | |
ddb6ad77 | 2254 | |
1bbc0975 | 2255 | if (ar->monitor_started) |
ddb6ad77 MK |
2256 | return ar->monitor_vdev_id; |
2257 | ||
7aa7a72a | 2258 | ath10k_warn(ar, "failed to resolve vdev id\n"); |
ddb6ad77 MK |
2259 | return 0; |
2260 | } | |
2261 | ||
4b604558 MK |
2262 | /* HTT Tx uses Native Wifi tx mode which expects 802.11 frames without QoS |
2263 | * Control in the header. | |
5e3dd157 | 2264 | */ |
4b604558 | 2265 | static void ath10k_tx_h_nwifi(struct ieee80211_hw *hw, struct sk_buff *skb) |
5e3dd157 KV |
2266 | { |
2267 | struct ieee80211_hdr *hdr = (void *)skb->data; | |
c21c64d1 | 2268 | struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb); |
5e3dd157 KV |
2269 | u8 *qos_ctl; |
2270 | ||
2271 | if (!ieee80211_is_data_qos(hdr->frame_control)) | |
2272 | return; | |
2273 | ||
2274 | qos_ctl = ieee80211_get_qos_ctl(hdr); | |
ba0ccd7a MK |
2275 | memmove(skb->data + IEEE80211_QOS_CTL_LEN, |
2276 | skb->data, (void *)qos_ctl - (void *)skb->data); | |
2277 | skb_pull(skb, IEEE80211_QOS_CTL_LEN); | |
c21c64d1 MK |
2278 | |
2279 | /* Fw/Hw generates a corrupted QoS Control Field for QoS NullFunc | |
2280 | * frames. Powersave is handled by the fw/hw so QoS NyllFunc frames are | |
2281 | * used only for CQM purposes (e.g. hostapd station keepalive ping) so | |
2282 | * it is safe to downgrade to NullFunc. | |
2283 | */ | |
bf0a26d3 | 2284 | hdr = (void *)skb->data; |
c21c64d1 MK |
2285 | if (ieee80211_is_qos_nullfunc(hdr->frame_control)) { |
2286 | hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA); | |
2287 | cb->htt.tid = HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST; | |
2288 | } | |
5e3dd157 KV |
2289 | } |
2290 | ||
4b604558 MK |
2291 | static void ath10k_tx_h_add_p2p_noa_ie(struct ath10k *ar, |
2292 | struct ieee80211_vif *vif, | |
2293 | struct sk_buff *skb) | |
5e3dd157 KV |
2294 | { |
2295 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; | |
5e3dd157 KV |
2296 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
2297 | ||
2298 | /* This is case only for P2P_GO */ | |
2299 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP || | |
2300 | arvif->vdev_subtype != WMI_VDEV_SUBTYPE_P2P_GO) | |
2301 | return; | |
2302 | ||
2303 | if (unlikely(ieee80211_is_probe_resp(hdr->frame_control))) { | |
2304 | spin_lock_bh(&ar->data_lock); | |
2305 | if (arvif->u.ap.noa_data) | |
2306 | if (!pskb_expand_head(skb, 0, arvif->u.ap.noa_len, | |
2307 | GFP_ATOMIC)) | |
2308 | memcpy(skb_put(skb, arvif->u.ap.noa_len), | |
2309 | arvif->u.ap.noa_data, | |
2310 | arvif->u.ap.noa_len); | |
2311 | spin_unlock_bh(&ar->data_lock); | |
2312 | } | |
2313 | } | |
2314 | ||
8d6d3624 MK |
2315 | static bool ath10k_mac_need_offchan_tx_work(struct ath10k *ar) |
2316 | { | |
2317 | /* FIXME: Not really sure since when the behaviour changed. At some | |
2318 | * point new firmware stopped requiring creation of peer entries for | |
2319 | * offchannel tx (and actually creating them causes issues with wmi-htc | |
2320 | * tx credit replenishment and reliability). Assuming it's at least 3.4 | |
2321 | * because that's when the `freq` was introduced to TX_FRM HTT command. | |
2322 | */ | |
2323 | return !(ar->htt.target_version_major >= 3 && | |
2324 | ar->htt.target_version_minor >= 4); | |
2325 | } | |
2326 | ||
5e3dd157 KV |
2327 | static void ath10k_tx_htt(struct ath10k *ar, struct sk_buff *skb) |
2328 | { | |
2329 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; | |
5e00d31a | 2330 | int ret = 0; |
5e3dd157 | 2331 | |
961d4c38 MK |
2332 | if (ar->htt.target_version_major >= 3) { |
2333 | /* Since HTT 3.0 there is no separate mgmt tx command */ | |
2334 | ret = ath10k_htt_tx(&ar->htt, skb); | |
2335 | goto exit; | |
2336 | } | |
2337 | ||
5e00d31a BM |
2338 | if (ieee80211_is_mgmt(hdr->frame_control)) { |
2339 | if (test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX, | |
2340 | ar->fw_features)) { | |
2341 | if (skb_queue_len(&ar->wmi_mgmt_tx_queue) >= | |
2342 | ATH10K_MAX_NUM_MGMT_PENDING) { | |
7aa7a72a | 2343 | ath10k_warn(ar, "reached WMI management transmit queue limit\n"); |
5e00d31a BM |
2344 | ret = -EBUSY; |
2345 | goto exit; | |
2346 | } | |
2347 | ||
2348 | skb_queue_tail(&ar->wmi_mgmt_tx_queue, skb); | |
2349 | ieee80211_queue_work(ar->hw, &ar->wmi_mgmt_tx_work); | |
2350 | } else { | |
2351 | ret = ath10k_htt_mgmt_tx(&ar->htt, skb); | |
2352 | } | |
2353 | } else if (!test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX, | |
2354 | ar->fw_features) && | |
2355 | ieee80211_is_nullfunc(hdr->frame_control)) { | |
5e3dd157 KV |
2356 | /* FW does not report tx status properly for NullFunc frames |
2357 | * unless they are sent through mgmt tx path. mac80211 sends | |
5e00d31a BM |
2358 | * those frames when it detects link/beacon loss and depends |
2359 | * on the tx status to be correct. */ | |
edb8236d | 2360 | ret = ath10k_htt_mgmt_tx(&ar->htt, skb); |
5e00d31a | 2361 | } else { |
edb8236d | 2362 | ret = ath10k_htt_tx(&ar->htt, skb); |
5e00d31a | 2363 | } |
5e3dd157 | 2364 | |
961d4c38 | 2365 | exit: |
5e3dd157 | 2366 | if (ret) { |
7aa7a72a MK |
2367 | ath10k_warn(ar, "failed to transmit packet, dropping: %d\n", |
2368 | ret); | |
5e3dd157 KV |
2369 | ieee80211_free_txskb(ar->hw, skb); |
2370 | } | |
2371 | } | |
2372 | ||
2373 | void ath10k_offchan_tx_purge(struct ath10k *ar) | |
2374 | { | |
2375 | struct sk_buff *skb; | |
2376 | ||
2377 | for (;;) { | |
2378 | skb = skb_dequeue(&ar->offchan_tx_queue); | |
2379 | if (!skb) | |
2380 | break; | |
2381 | ||
2382 | ieee80211_free_txskb(ar->hw, skb); | |
2383 | } | |
2384 | } | |
2385 | ||
2386 | void ath10k_offchan_tx_work(struct work_struct *work) | |
2387 | { | |
2388 | struct ath10k *ar = container_of(work, struct ath10k, offchan_tx_work); | |
2389 | struct ath10k_peer *peer; | |
2390 | struct ieee80211_hdr *hdr; | |
2391 | struct sk_buff *skb; | |
2392 | const u8 *peer_addr; | |
2393 | int vdev_id; | |
2394 | int ret; | |
2395 | ||
2396 | /* FW requirement: We must create a peer before FW will send out | |
2397 | * an offchannel frame. Otherwise the frame will be stuck and | |
2398 | * never transmitted. We delete the peer upon tx completion. | |
2399 | * It is unlikely that a peer for offchannel tx will already be | |
2400 | * present. However it may be in some rare cases so account for that. | |
2401 | * Otherwise we might remove a legitimate peer and break stuff. */ | |
2402 | ||
2403 | for (;;) { | |
2404 | skb = skb_dequeue(&ar->offchan_tx_queue); | |
2405 | if (!skb) | |
2406 | break; | |
2407 | ||
2408 | mutex_lock(&ar->conf_mutex); | |
2409 | ||
7aa7a72a | 2410 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac offchannel skb %p\n", |
5e3dd157 KV |
2411 | skb); |
2412 | ||
2413 | hdr = (struct ieee80211_hdr *)skb->data; | |
2414 | peer_addr = ieee80211_get_DA(hdr); | |
5e00d31a | 2415 | vdev_id = ATH10K_SKB_CB(skb)->vdev_id; |
5e3dd157 KV |
2416 | |
2417 | spin_lock_bh(&ar->data_lock); | |
2418 | peer = ath10k_peer_find(ar, vdev_id, peer_addr); | |
2419 | spin_unlock_bh(&ar->data_lock); | |
2420 | ||
2421 | if (peer) | |
60c3daa8 | 2422 | /* FIXME: should this use ath10k_warn()? */ |
7aa7a72a | 2423 | ath10k_dbg(ar, ATH10K_DBG_MAC, "peer %pM on vdev %d already present\n", |
5e3dd157 KV |
2424 | peer_addr, vdev_id); |
2425 | ||
2426 | if (!peer) { | |
2427 | ret = ath10k_peer_create(ar, vdev_id, peer_addr); | |
2428 | if (ret) | |
7aa7a72a | 2429 | ath10k_warn(ar, "failed to create peer %pM on vdev %d: %d\n", |
5e3dd157 KV |
2430 | peer_addr, vdev_id, ret); |
2431 | } | |
2432 | ||
2433 | spin_lock_bh(&ar->data_lock); | |
16735d02 | 2434 | reinit_completion(&ar->offchan_tx_completed); |
5e3dd157 KV |
2435 | ar->offchan_tx_skb = skb; |
2436 | spin_unlock_bh(&ar->data_lock); | |
2437 | ||
2438 | ath10k_tx_htt(ar, skb); | |
2439 | ||
2440 | ret = wait_for_completion_timeout(&ar->offchan_tx_completed, | |
2441 | 3 * HZ); | |
38e2a644 | 2442 | if (ret == 0) |
7aa7a72a | 2443 | ath10k_warn(ar, "timed out waiting for offchannel skb %p\n", |
5e3dd157 KV |
2444 | skb); |
2445 | ||
2446 | if (!peer) { | |
2447 | ret = ath10k_peer_delete(ar, vdev_id, peer_addr); | |
2448 | if (ret) | |
7aa7a72a | 2449 | ath10k_warn(ar, "failed to delete peer %pM on vdev %d: %d\n", |
5e3dd157 KV |
2450 | peer_addr, vdev_id, ret); |
2451 | } | |
2452 | ||
2453 | mutex_unlock(&ar->conf_mutex); | |
2454 | } | |
2455 | } | |
2456 | ||
5e00d31a BM |
2457 | void ath10k_mgmt_over_wmi_tx_purge(struct ath10k *ar) |
2458 | { | |
2459 | struct sk_buff *skb; | |
2460 | ||
2461 | for (;;) { | |
2462 | skb = skb_dequeue(&ar->wmi_mgmt_tx_queue); | |
2463 | if (!skb) | |
2464 | break; | |
2465 | ||
2466 | ieee80211_free_txskb(ar->hw, skb); | |
2467 | } | |
2468 | } | |
2469 | ||
2470 | void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work) | |
2471 | { | |
2472 | struct ath10k *ar = container_of(work, struct ath10k, wmi_mgmt_tx_work); | |
2473 | struct sk_buff *skb; | |
2474 | int ret; | |
2475 | ||
2476 | for (;;) { | |
2477 | skb = skb_dequeue(&ar->wmi_mgmt_tx_queue); | |
2478 | if (!skb) | |
2479 | break; | |
2480 | ||
2481 | ret = ath10k_wmi_mgmt_tx(ar, skb); | |
5fb5e41f | 2482 | if (ret) { |
7aa7a72a | 2483 | ath10k_warn(ar, "failed to transmit management frame via WMI: %d\n", |
be6546fc | 2484 | ret); |
5fb5e41f MK |
2485 | ieee80211_free_txskb(ar->hw, skb); |
2486 | } | |
5e00d31a BM |
2487 | } |
2488 | } | |
2489 | ||
5e3dd157 KV |
2490 | /************/ |
2491 | /* Scanning */ | |
2492 | /************/ | |
2493 | ||
5c81c7fd | 2494 | void __ath10k_scan_finish(struct ath10k *ar) |
5e3dd157 | 2495 | { |
5c81c7fd | 2496 | lockdep_assert_held(&ar->data_lock); |
5e3dd157 | 2497 | |
5c81c7fd MK |
2498 | switch (ar->scan.state) { |
2499 | case ATH10K_SCAN_IDLE: | |
2500 | break; | |
2501 | case ATH10K_SCAN_RUNNING: | |
5c81c7fd MK |
2502 | if (ar->scan.is_roc) |
2503 | ieee80211_remain_on_channel_expired(ar->hw); | |
f6eaf1e0 | 2504 | /* fall through */ |
7305d3e0 MK |
2505 | case ATH10K_SCAN_ABORTING: |
2506 | if (!ar->scan.is_roc) | |
5c81c7fd MK |
2507 | ieee80211_scan_completed(ar->hw, |
2508 | (ar->scan.state == | |
2509 | ATH10K_SCAN_ABORTING)); | |
2510 | /* fall through */ | |
2511 | case ATH10K_SCAN_STARTING: | |
2512 | ar->scan.state = ATH10K_SCAN_IDLE; | |
2513 | ar->scan_channel = NULL; | |
2514 | ath10k_offchan_tx_purge(ar); | |
2515 | cancel_delayed_work(&ar->scan.timeout); | |
2516 | complete_all(&ar->scan.completed); | |
2517 | break; | |
5e3dd157 | 2518 | } |
5c81c7fd | 2519 | } |
5e3dd157 | 2520 | |
5c81c7fd MK |
2521 | void ath10k_scan_finish(struct ath10k *ar) |
2522 | { | |
2523 | spin_lock_bh(&ar->data_lock); | |
2524 | __ath10k_scan_finish(ar); | |
5e3dd157 KV |
2525 | spin_unlock_bh(&ar->data_lock); |
2526 | } | |
2527 | ||
5c81c7fd | 2528 | static int ath10k_scan_stop(struct ath10k *ar) |
5e3dd157 KV |
2529 | { |
2530 | struct wmi_stop_scan_arg arg = { | |
2531 | .req_id = 1, /* FIXME */ | |
2532 | .req_type = WMI_SCAN_STOP_ONE, | |
2533 | .u.scan_id = ATH10K_SCAN_ID, | |
2534 | }; | |
2535 | int ret; | |
2536 | ||
2537 | lockdep_assert_held(&ar->conf_mutex); | |
2538 | ||
5e3dd157 KV |
2539 | ret = ath10k_wmi_stop_scan(ar, &arg); |
2540 | if (ret) { | |
7aa7a72a | 2541 | ath10k_warn(ar, "failed to stop wmi scan: %d\n", ret); |
5c81c7fd | 2542 | goto out; |
5e3dd157 KV |
2543 | } |
2544 | ||
5e3dd157 | 2545 | ret = wait_for_completion_timeout(&ar->scan.completed, 3*HZ); |
5c81c7fd | 2546 | if (ret == 0) { |
7aa7a72a | 2547 | ath10k_warn(ar, "failed to receive scan abortion completion: timed out\n"); |
5c81c7fd MK |
2548 | ret = -ETIMEDOUT; |
2549 | } else if (ret > 0) { | |
2550 | ret = 0; | |
2551 | } | |
5e3dd157 | 2552 | |
5c81c7fd MK |
2553 | out: |
2554 | /* Scan state should be updated upon scan completion but in case | |
2555 | * firmware fails to deliver the event (for whatever reason) it is | |
2556 | * desired to clean up scan state anyway. Firmware may have just | |
2557 | * dropped the scan completion event delivery due to transport pipe | |
2558 | * being overflown with data and/or it can recover on its own before | |
2559 | * next scan request is submitted. | |
2560 | */ | |
2561 | spin_lock_bh(&ar->data_lock); | |
2562 | if (ar->scan.state != ATH10K_SCAN_IDLE) | |
2563 | __ath10k_scan_finish(ar); | |
2564 | spin_unlock_bh(&ar->data_lock); | |
2565 | ||
2566 | return ret; | |
2567 | } | |
2568 | ||
2569 | static void ath10k_scan_abort(struct ath10k *ar) | |
2570 | { | |
2571 | int ret; | |
2572 | ||
2573 | lockdep_assert_held(&ar->conf_mutex); | |
5e3dd157 KV |
2574 | |
2575 | spin_lock_bh(&ar->data_lock); | |
5c81c7fd MK |
2576 | |
2577 | switch (ar->scan.state) { | |
2578 | case ATH10K_SCAN_IDLE: | |
2579 | /* This can happen if timeout worker kicked in and called | |
2580 | * abortion while scan completion was being processed. | |
2581 | */ | |
2582 | break; | |
2583 | case ATH10K_SCAN_STARTING: | |
2584 | case ATH10K_SCAN_ABORTING: | |
7aa7a72a | 2585 | ath10k_warn(ar, "refusing scan abortion due to invalid scan state: %s (%d)\n", |
5c81c7fd MK |
2586 | ath10k_scan_state_str(ar->scan.state), |
2587 | ar->scan.state); | |
2588 | break; | |
2589 | case ATH10K_SCAN_RUNNING: | |
2590 | ar->scan.state = ATH10K_SCAN_ABORTING; | |
2591 | spin_unlock_bh(&ar->data_lock); | |
2592 | ||
2593 | ret = ath10k_scan_stop(ar); | |
2594 | if (ret) | |
7aa7a72a | 2595 | ath10k_warn(ar, "failed to abort scan: %d\n", ret); |
5c81c7fd MK |
2596 | |
2597 | spin_lock_bh(&ar->data_lock); | |
2598 | break; | |
5e3dd157 | 2599 | } |
5c81c7fd | 2600 | |
5e3dd157 | 2601 | spin_unlock_bh(&ar->data_lock); |
5c81c7fd | 2602 | } |
5e3dd157 | 2603 | |
5c81c7fd MK |
2604 | void ath10k_scan_timeout_work(struct work_struct *work) |
2605 | { | |
2606 | struct ath10k *ar = container_of(work, struct ath10k, | |
2607 | scan.timeout.work); | |
2608 | ||
2609 | mutex_lock(&ar->conf_mutex); | |
2610 | ath10k_scan_abort(ar); | |
2611 | mutex_unlock(&ar->conf_mutex); | |
5e3dd157 KV |
2612 | } |
2613 | ||
2614 | static int ath10k_start_scan(struct ath10k *ar, | |
2615 | const struct wmi_start_scan_arg *arg) | |
2616 | { | |
2617 | int ret; | |
2618 | ||
2619 | lockdep_assert_held(&ar->conf_mutex); | |
2620 | ||
2621 | ret = ath10k_wmi_start_scan(ar, arg); | |
2622 | if (ret) | |
2623 | return ret; | |
2624 | ||
5e3dd157 KV |
2625 | ret = wait_for_completion_timeout(&ar->scan.started, 1*HZ); |
2626 | if (ret == 0) { | |
5c81c7fd MK |
2627 | ret = ath10k_scan_stop(ar); |
2628 | if (ret) | |
7aa7a72a | 2629 | ath10k_warn(ar, "failed to stop scan: %d\n", ret); |
5c81c7fd MK |
2630 | |
2631 | return -ETIMEDOUT; | |
5e3dd157 KV |
2632 | } |
2633 | ||
2f9eec0b BG |
2634 | /* If we failed to start the scan, return error code at |
2635 | * this point. This is probably due to some issue in the | |
2636 | * firmware, but no need to wedge the driver due to that... | |
2637 | */ | |
2638 | spin_lock_bh(&ar->data_lock); | |
2639 | if (ar->scan.state == ATH10K_SCAN_IDLE) { | |
2640 | spin_unlock_bh(&ar->data_lock); | |
2641 | return -EINVAL; | |
2642 | } | |
2643 | spin_unlock_bh(&ar->data_lock); | |
2644 | ||
5c81c7fd MK |
2645 | /* Add a 200ms margin to account for event/command processing */ |
2646 | ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout, | |
2647 | msecs_to_jiffies(arg->max_scan_time+200)); | |
5e3dd157 KV |
2648 | return 0; |
2649 | } | |
2650 | ||
2651 | /**********************/ | |
2652 | /* mac80211 callbacks */ | |
2653 | /**********************/ | |
2654 | ||
2655 | static void ath10k_tx(struct ieee80211_hw *hw, | |
2656 | struct ieee80211_tx_control *control, | |
2657 | struct sk_buff *skb) | |
2658 | { | |
4b604558 | 2659 | struct ath10k *ar = hw->priv; |
5e3dd157 | 2660 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
4b604558 | 2661 | struct ieee80211_vif *vif = info->control.vif; |
5e3dd157 | 2662 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; |
5e3dd157 KV |
2663 | |
2664 | /* We should disable CCK RATE due to P2P */ | |
2665 | if (info->flags & IEEE80211_TX_CTL_NO_CCK_RATE) | |
7aa7a72a | 2666 | ath10k_dbg(ar, ATH10K_DBG_MAC, "IEEE80211_TX_CTL_NO_CCK_RATE\n"); |
5e3dd157 | 2667 | |
4b604558 MK |
2668 | ATH10K_SKB_CB(skb)->htt.is_offchan = false; |
2669 | ATH10K_SKB_CB(skb)->htt.tid = ath10k_tx_h_get_tid(hdr); | |
2b37c295 | 2670 | ATH10K_SKB_CB(skb)->vdev_id = ath10k_tx_h_get_vdev_id(ar, vif); |
5e3dd157 | 2671 | |
cf84bd4d | 2672 | /* it makes no sense to process injected frames like that */ |
4b604558 MK |
2673 | if (vif && vif->type != NL80211_IFTYPE_MONITOR) { |
2674 | ath10k_tx_h_nwifi(hw, skb); | |
4b604558 MK |
2675 | ath10k_tx_h_add_p2p_noa_ie(ar, vif, skb); |
2676 | ath10k_tx_h_seq_no(vif, skb); | |
cf84bd4d | 2677 | } |
5e3dd157 | 2678 | |
5e3dd157 KV |
2679 | if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN) { |
2680 | spin_lock_bh(&ar->data_lock); | |
8d6d3624 | 2681 | ATH10K_SKB_CB(skb)->htt.freq = ar->scan.roc_freq; |
5e00d31a | 2682 | ATH10K_SKB_CB(skb)->vdev_id = ar->scan.vdev_id; |
5e3dd157 KV |
2683 | spin_unlock_bh(&ar->data_lock); |
2684 | ||
8d6d3624 MK |
2685 | if (ath10k_mac_need_offchan_tx_work(ar)) { |
2686 | ATH10K_SKB_CB(skb)->htt.freq = 0; | |
2687 | ATH10K_SKB_CB(skb)->htt.is_offchan = true; | |
5e3dd157 | 2688 | |
8d6d3624 MK |
2689 | ath10k_dbg(ar, ATH10K_DBG_MAC, "queued offchannel skb %p\n", |
2690 | skb); | |
2691 | ||
2692 | skb_queue_tail(&ar->offchan_tx_queue, skb); | |
2693 | ieee80211_queue_work(hw, &ar->offchan_tx_work); | |
2694 | return; | |
2695 | } | |
5e3dd157 KV |
2696 | } |
2697 | ||
2698 | ath10k_tx_htt(ar, skb); | |
2699 | } | |
2700 | ||
bca7bafb | 2701 | /* Must not be called with conf_mutex held as workers can use that also. */ |
7962b0d8 | 2702 | void ath10k_drain_tx(struct ath10k *ar) |
bca7bafb MK |
2703 | { |
2704 | /* make sure rcu-protected mac80211 tx path itself is drained */ | |
2705 | synchronize_net(); | |
2706 | ||
2707 | ath10k_offchan_tx_purge(ar); | |
2708 | ath10k_mgmt_over_wmi_tx_purge(ar); | |
2709 | ||
2710 | cancel_work_sync(&ar->offchan_tx_work); | |
2711 | cancel_work_sync(&ar->wmi_mgmt_tx_work); | |
2712 | } | |
2713 | ||
affd3217 | 2714 | void ath10k_halt(struct ath10k *ar) |
818bdd16 | 2715 | { |
d9bc4b9b MK |
2716 | struct ath10k_vif *arvif; |
2717 | ||
818bdd16 MK |
2718 | lockdep_assert_held(&ar->conf_mutex); |
2719 | ||
1933747f MK |
2720 | clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); |
2721 | ar->filter_flags = 0; | |
2722 | ar->monitor = false; | |
2723 | ||
2724 | if (ar->monitor_started) | |
1bbc0975 | 2725 | ath10k_monitor_stop(ar); |
1933747f MK |
2726 | |
2727 | ar->monitor_started = false; | |
1bbc0975 | 2728 | |
5c81c7fd | 2729 | ath10k_scan_finish(ar); |
818bdd16 MK |
2730 | ath10k_peer_cleanup_all(ar); |
2731 | ath10k_core_stop(ar); | |
2732 | ath10k_hif_power_down(ar); | |
2733 | ||
2734 | spin_lock_bh(&ar->data_lock); | |
64badcb6 MK |
2735 | list_for_each_entry(arvif, &ar->arvifs, list) |
2736 | ath10k_mac_vif_beacon_cleanup(arvif); | |
818bdd16 MK |
2737 | spin_unlock_bh(&ar->data_lock); |
2738 | } | |
2739 | ||
46acf7bb BG |
2740 | static int ath10k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) |
2741 | { | |
2742 | struct ath10k *ar = hw->priv; | |
2743 | ||
2744 | mutex_lock(&ar->conf_mutex); | |
2745 | ||
2746 | if (ar->cfg_tx_chainmask) { | |
2747 | *tx_ant = ar->cfg_tx_chainmask; | |
2748 | *rx_ant = ar->cfg_rx_chainmask; | |
2749 | } else { | |
2750 | *tx_ant = ar->supp_tx_chainmask; | |
2751 | *rx_ant = ar->supp_rx_chainmask; | |
2752 | } | |
2753 | ||
2754 | mutex_unlock(&ar->conf_mutex); | |
2755 | ||
2756 | return 0; | |
2757 | } | |
2758 | ||
5572a95b BG |
2759 | static void ath10k_check_chain_mask(struct ath10k *ar, u32 cm, const char *dbg) |
2760 | { | |
2761 | /* It is not clear that allowing gaps in chainmask | |
2762 | * is helpful. Probably it will not do what user | |
2763 | * is hoping for, so warn in that case. | |
2764 | */ | |
2765 | if (cm == 15 || cm == 7 || cm == 3 || cm == 1 || cm == 0) | |
2766 | return; | |
2767 | ||
2768 | ath10k_warn(ar, "mac %s antenna chainmask may be invalid: 0x%x. Suggested values: 15, 7, 3, 1 or 0.\n", | |
2769 | dbg, cm); | |
2770 | } | |
2771 | ||
46acf7bb BG |
2772 | static int __ath10k_set_antenna(struct ath10k *ar, u32 tx_ant, u32 rx_ant) |
2773 | { | |
2774 | int ret; | |
2775 | ||
2776 | lockdep_assert_held(&ar->conf_mutex); | |
2777 | ||
5572a95b BG |
2778 | ath10k_check_chain_mask(ar, tx_ant, "tx"); |
2779 | ath10k_check_chain_mask(ar, rx_ant, "rx"); | |
2780 | ||
46acf7bb BG |
2781 | ar->cfg_tx_chainmask = tx_ant; |
2782 | ar->cfg_rx_chainmask = rx_ant; | |
2783 | ||
2784 | if ((ar->state != ATH10K_STATE_ON) && | |
2785 | (ar->state != ATH10K_STATE_RESTARTED)) | |
2786 | return 0; | |
2787 | ||
2788 | ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->tx_chain_mask, | |
2789 | tx_ant); | |
2790 | if (ret) { | |
7aa7a72a | 2791 | ath10k_warn(ar, "failed to set tx-chainmask: %d, req 0x%x\n", |
46acf7bb BG |
2792 | ret, tx_ant); |
2793 | return ret; | |
2794 | } | |
2795 | ||
2796 | ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->rx_chain_mask, | |
2797 | rx_ant); | |
2798 | if (ret) { | |
7aa7a72a | 2799 | ath10k_warn(ar, "failed to set rx-chainmask: %d, req 0x%x\n", |
46acf7bb BG |
2800 | ret, rx_ant); |
2801 | return ret; | |
2802 | } | |
2803 | ||
2804 | return 0; | |
2805 | } | |
2806 | ||
2807 | static int ath10k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) | |
2808 | { | |
2809 | struct ath10k *ar = hw->priv; | |
2810 | int ret; | |
2811 | ||
2812 | mutex_lock(&ar->conf_mutex); | |
2813 | ret = __ath10k_set_antenna(ar, tx_ant, rx_ant); | |
2814 | mutex_unlock(&ar->conf_mutex); | |
2815 | return ret; | |
2816 | } | |
2817 | ||
5e3dd157 KV |
2818 | static int ath10k_start(struct ieee80211_hw *hw) |
2819 | { | |
2820 | struct ath10k *ar = hw->priv; | |
818bdd16 | 2821 | int ret = 0; |
5e3dd157 | 2822 | |
bca7bafb MK |
2823 | /* |
2824 | * This makes sense only when restarting hw. It is harmless to call | |
2825 | * uncoditionally. This is necessary to make sure no HTT/WMI tx | |
2826 | * commands will be submitted while restarting. | |
2827 | */ | |
2828 | ath10k_drain_tx(ar); | |
2829 | ||
548db54c MK |
2830 | mutex_lock(&ar->conf_mutex); |
2831 | ||
c5058f5b MK |
2832 | switch (ar->state) { |
2833 | case ATH10K_STATE_OFF: | |
2834 | ar->state = ATH10K_STATE_ON; | |
2835 | break; | |
2836 | case ATH10K_STATE_RESTARTING: | |
2837 | ath10k_halt(ar); | |
2838 | ar->state = ATH10K_STATE_RESTARTED; | |
2839 | break; | |
2840 | case ATH10K_STATE_ON: | |
2841 | case ATH10K_STATE_RESTARTED: | |
2842 | case ATH10K_STATE_WEDGED: | |
2843 | WARN_ON(1); | |
818bdd16 | 2844 | ret = -EINVAL; |
ae254433 | 2845 | goto err; |
43d2a30f KV |
2846 | case ATH10K_STATE_UTF: |
2847 | ret = -EBUSY; | |
2848 | goto err; | |
818bdd16 MK |
2849 | } |
2850 | ||
2851 | ret = ath10k_hif_power_up(ar); | |
2852 | if (ret) { | |
7aa7a72a | 2853 | ath10k_err(ar, "Could not init hif: %d\n", ret); |
ae254433 | 2854 | goto err_off; |
818bdd16 MK |
2855 | } |
2856 | ||
43d2a30f | 2857 | ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL); |
818bdd16 | 2858 | if (ret) { |
7aa7a72a | 2859 | ath10k_err(ar, "Could not init core: %d\n", ret); |
ae254433 | 2860 | goto err_power_down; |
818bdd16 MK |
2861 | } |
2862 | ||
226a339b | 2863 | ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->pmf_qos, 1); |
ae254433 | 2864 | if (ret) { |
7aa7a72a | 2865 | ath10k_warn(ar, "failed to enable PMF QOS: %d\n", ret); |
ae254433 MK |
2866 | goto err_core_stop; |
2867 | } | |
5e3dd157 | 2868 | |
c4dd0d01 | 2869 | ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->dynamic_bw, 1); |
ae254433 | 2870 | if (ret) { |
7aa7a72a | 2871 | ath10k_warn(ar, "failed to enable dynamic BW: %d\n", ret); |
ae254433 MK |
2872 | goto err_core_stop; |
2873 | } | |
5e3dd157 | 2874 | |
46acf7bb BG |
2875 | if (ar->cfg_tx_chainmask) |
2876 | __ath10k_set_antenna(ar, ar->cfg_tx_chainmask, | |
2877 | ar->cfg_rx_chainmask); | |
2878 | ||
ab6258ed MP |
2879 | /* |
2880 | * By default FW set ARP frames ac to voice (6). In that case ARP | |
2881 | * exchange is not working properly for UAPSD enabled AP. ARP requests | |
2882 | * which arrives with access category 0 are processed by network stack | |
2883 | * and send back with access category 0, but FW changes access category | |
2884 | * to 6. Set ARP frames access category to best effort (0) solves | |
2885 | * this problem. | |
2886 | */ | |
2887 | ||
2888 | ret = ath10k_wmi_pdev_set_param(ar, | |
2889 | ar->wmi.pdev_param->arp_ac_override, 0); | |
2890 | if (ret) { | |
7aa7a72a | 2891 | ath10k_warn(ar, "failed to set arp ac override parameter: %d\n", |
ab6258ed | 2892 | ret); |
ae254433 | 2893 | goto err_core_stop; |
ab6258ed MP |
2894 | } |
2895 | ||
d650097b | 2896 | ar->num_started_vdevs = 0; |
f7843d7f MK |
2897 | ath10k_regd_update(ar); |
2898 | ||
855aed12 SW |
2899 | ath10k_spectral_start(ar); |
2900 | ||
ae254433 MK |
2901 | mutex_unlock(&ar->conf_mutex); |
2902 | return 0; | |
2903 | ||
2904 | err_core_stop: | |
2905 | ath10k_core_stop(ar); | |
2906 | ||
2907 | err_power_down: | |
2908 | ath10k_hif_power_down(ar); | |
2909 | ||
2910 | err_off: | |
2911 | ar->state = ATH10K_STATE_OFF; | |
2912 | ||
2913 | err: | |
548db54c | 2914 | mutex_unlock(&ar->conf_mutex); |
c60bdd83 | 2915 | return ret; |
5e3dd157 KV |
2916 | } |
2917 | ||
2918 | static void ath10k_stop(struct ieee80211_hw *hw) | |
2919 | { | |
2920 | struct ath10k *ar = hw->priv; | |
2921 | ||
bca7bafb MK |
2922 | ath10k_drain_tx(ar); |
2923 | ||
548db54c | 2924 | mutex_lock(&ar->conf_mutex); |
c5058f5b | 2925 | if (ar->state != ATH10K_STATE_OFF) { |
818bdd16 | 2926 | ath10k_halt(ar); |
c5058f5b MK |
2927 | ar->state = ATH10K_STATE_OFF; |
2928 | } | |
548db54c MK |
2929 | mutex_unlock(&ar->conf_mutex); |
2930 | ||
5c81c7fd | 2931 | cancel_delayed_work_sync(&ar->scan.timeout); |
affd3217 | 2932 | cancel_work_sync(&ar->restart_work); |
5e3dd157 KV |
2933 | } |
2934 | ||
ad088bfa | 2935 | static int ath10k_config_ps(struct ath10k *ar) |
5e3dd157 | 2936 | { |
ad088bfa MK |
2937 | struct ath10k_vif *arvif; |
2938 | int ret = 0; | |
affd3217 MK |
2939 | |
2940 | lockdep_assert_held(&ar->conf_mutex); | |
2941 | ||
ad088bfa MK |
2942 | list_for_each_entry(arvif, &ar->arvifs, list) { |
2943 | ret = ath10k_mac_vif_setup_ps(arvif); | |
2944 | if (ret) { | |
7aa7a72a | 2945 | ath10k_warn(ar, "failed to setup powersave: %d\n", ret); |
ad088bfa MK |
2946 | break; |
2947 | } | |
2948 | } | |
affd3217 | 2949 | |
ad088bfa | 2950 | return ret; |
affd3217 MK |
2951 | } |
2952 | ||
c930f744 MK |
2953 | static const char *chandef_get_width(enum nl80211_chan_width width) |
2954 | { | |
2955 | switch (width) { | |
2956 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2957 | return "20 (noht)"; | |
2958 | case NL80211_CHAN_WIDTH_20: | |
2959 | return "20"; | |
2960 | case NL80211_CHAN_WIDTH_40: | |
2961 | return "40"; | |
2962 | case NL80211_CHAN_WIDTH_80: | |
2963 | return "80"; | |
2964 | case NL80211_CHAN_WIDTH_80P80: | |
2965 | return "80+80"; | |
2966 | case NL80211_CHAN_WIDTH_160: | |
2967 | return "160"; | |
2968 | case NL80211_CHAN_WIDTH_5: | |
2969 | return "5"; | |
2970 | case NL80211_CHAN_WIDTH_10: | |
2971 | return "10"; | |
2972 | } | |
2973 | return "?"; | |
2974 | } | |
2975 | ||
2976 | static void ath10k_config_chan(struct ath10k *ar) | |
2977 | { | |
2978 | struct ath10k_vif *arvif; | |
c930f744 MK |
2979 | int ret; |
2980 | ||
2981 | lockdep_assert_held(&ar->conf_mutex); | |
2982 | ||
7aa7a72a | 2983 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
c930f744 MK |
2984 | "mac config channel to %dMHz (cf1 %dMHz cf2 %dMHz width %s)\n", |
2985 | ar->chandef.chan->center_freq, | |
2986 | ar->chandef.center_freq1, | |
2987 | ar->chandef.center_freq2, | |
2988 | chandef_get_width(ar->chandef.width)); | |
2989 | ||
2990 | /* First stop monitor interface. Some FW versions crash if there's a | |
2991 | * lone monitor interface. */ | |
1bbc0975 | 2992 | if (ar->monitor_started) |
1933747f | 2993 | ath10k_monitor_stop(ar); |
c930f744 MK |
2994 | |
2995 | list_for_each_entry(arvif, &ar->arvifs, list) { | |
2996 | if (!arvif->is_started) | |
2997 | continue; | |
2998 | ||
dc55e307 MK |
2999 | if (!arvif->is_up) |
3000 | continue; | |
3001 | ||
c930f744 MK |
3002 | if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) |
3003 | continue; | |
3004 | ||
dc55e307 | 3005 | ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); |
c930f744 | 3006 | if (ret) { |
7aa7a72a | 3007 | ath10k_warn(ar, "failed to down vdev %d: %d\n", |
c930f744 MK |
3008 | arvif->vdev_id, ret); |
3009 | continue; | |
3010 | } | |
3011 | } | |
3012 | ||
dc55e307 | 3013 | /* all vdevs are downed now - attempt to restart and re-up them */ |
c930f744 MK |
3014 | |
3015 | list_for_each_entry(arvif, &ar->arvifs, list) { | |
3016 | if (!arvif->is_started) | |
3017 | continue; | |
3018 | ||
3019 | if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) | |
3020 | continue; | |
3021 | ||
dc55e307 | 3022 | ret = ath10k_vdev_restart(arvif); |
c930f744 | 3023 | if (ret) { |
7aa7a72a | 3024 | ath10k_warn(ar, "failed to restart vdev %d: %d\n", |
c930f744 MK |
3025 | arvif->vdev_id, ret); |
3026 | continue; | |
3027 | } | |
3028 | ||
3029 | if (!arvif->is_up) | |
3030 | continue; | |
3031 | ||
3032 | ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid, | |
3033 | arvif->bssid); | |
3034 | if (ret) { | |
7aa7a72a | 3035 | ath10k_warn(ar, "failed to bring vdev up %d: %d\n", |
c930f744 MK |
3036 | arvif->vdev_id, ret); |
3037 | continue; | |
3038 | } | |
3039 | } | |
3040 | ||
1933747f | 3041 | ath10k_monitor_recalc(ar); |
c930f744 MK |
3042 | } |
3043 | ||
7d9d5587 MK |
3044 | static int ath10k_mac_txpower_setup(struct ath10k *ar, int txpower) |
3045 | { | |
3046 | int ret; | |
3047 | u32 param; | |
3048 | ||
3049 | lockdep_assert_held(&ar->conf_mutex); | |
3050 | ||
3051 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac txpower %d\n", txpower); | |
3052 | ||
3053 | param = ar->wmi.pdev_param->txpower_limit2g; | |
3054 | ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2); | |
3055 | if (ret) { | |
3056 | ath10k_warn(ar, "failed to set 2g txpower %d: %d\n", | |
3057 | txpower, ret); | |
3058 | return ret; | |
3059 | } | |
3060 | ||
3061 | param = ar->wmi.pdev_param->txpower_limit5g; | |
3062 | ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2); | |
3063 | if (ret) { | |
3064 | ath10k_warn(ar, "failed to set 5g txpower %d: %d\n", | |
3065 | txpower, ret); | |
3066 | return ret; | |
3067 | } | |
3068 | ||
3069 | return 0; | |
3070 | } | |
3071 | ||
3072 | static int ath10k_mac_txpower_recalc(struct ath10k *ar) | |
3073 | { | |
3074 | struct ath10k_vif *arvif; | |
3075 | int ret, txpower = -1; | |
3076 | ||
3077 | lockdep_assert_held(&ar->conf_mutex); | |
3078 | ||
3079 | list_for_each_entry(arvif, &ar->arvifs, list) { | |
3080 | WARN_ON(arvif->txpower < 0); | |
3081 | ||
3082 | if (txpower == -1) | |
3083 | txpower = arvif->txpower; | |
3084 | else | |
3085 | txpower = min(txpower, arvif->txpower); | |
3086 | } | |
3087 | ||
3088 | if (WARN_ON(txpower == -1)) | |
3089 | return -EINVAL; | |
3090 | ||
3091 | ret = ath10k_mac_txpower_setup(ar, txpower); | |
3092 | if (ret) { | |
3093 | ath10k_warn(ar, "failed to setup tx power %d: %d\n", | |
3094 | txpower, ret); | |
3095 | return ret; | |
3096 | } | |
3097 | ||
3098 | return 0; | |
3099 | } | |
3100 | ||
affd3217 MK |
3101 | static int ath10k_config(struct ieee80211_hw *hw, u32 changed) |
3102 | { | |
5e3dd157 KV |
3103 | struct ath10k *ar = hw->priv; |
3104 | struct ieee80211_conf *conf = &hw->conf; | |
3105 | int ret = 0; | |
5e3dd157 KV |
3106 | |
3107 | mutex_lock(&ar->conf_mutex); | |
3108 | ||
3109 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { | |
7aa7a72a | 3110 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
d650097b | 3111 | "mac config channel %dMHz flags 0x%x radar %d\n", |
e8a50f8b | 3112 | conf->chandef.chan->center_freq, |
d650097b MK |
3113 | conf->chandef.chan->flags, |
3114 | conf->radar_enabled); | |
e8a50f8b | 3115 | |
5e3dd157 KV |
3116 | spin_lock_bh(&ar->data_lock); |
3117 | ar->rx_channel = conf->chandef.chan; | |
3118 | spin_unlock_bh(&ar->data_lock); | |
e8a50f8b | 3119 | |
d650097b MK |
3120 | ar->radar_enabled = conf->radar_enabled; |
3121 | ath10k_recalc_radar_detection(ar); | |
c930f744 MK |
3122 | |
3123 | if (!cfg80211_chandef_identical(&ar->chandef, &conf->chandef)) { | |
3124 | ar->chandef = conf->chandef; | |
3125 | ath10k_config_chan(ar); | |
3126 | } | |
5e3dd157 KV |
3127 | } |
3128 | ||
affd3217 MK |
3129 | if (changed & IEEE80211_CONF_CHANGE_PS) |
3130 | ath10k_config_ps(ar); | |
5e3dd157 KV |
3131 | |
3132 | if (changed & IEEE80211_CONF_CHANGE_MONITOR) { | |
1933747f MK |
3133 | ar->monitor = conf->flags & IEEE80211_CONF_MONITOR; |
3134 | ret = ath10k_monitor_recalc(ar); | |
3135 | if (ret) | |
3136 | ath10k_warn(ar, "failed to recalc monitor: %d\n", ret); | |
5e3dd157 KV |
3137 | } |
3138 | ||
3139 | mutex_unlock(&ar->conf_mutex); | |
3140 | return ret; | |
3141 | } | |
3142 | ||
5572a95b BG |
3143 | static u32 get_nss_from_chainmask(u16 chain_mask) |
3144 | { | |
3145 | if ((chain_mask & 0x15) == 0x15) | |
3146 | return 4; | |
3147 | else if ((chain_mask & 0x7) == 0x7) | |
3148 | return 3; | |
3149 | else if ((chain_mask & 0x3) == 0x3) | |
3150 | return 2; | |
3151 | return 1; | |
3152 | } | |
3153 | ||
5e3dd157 KV |
3154 | /* |
3155 | * TODO: | |
3156 | * Figure out how to handle WMI_VDEV_SUBTYPE_P2P_DEVICE, | |
3157 | * because we will send mgmt frames without CCK. This requirement | |
3158 | * for P2P_FIND/GO_NEG should be handled by checking CCK flag | |
3159 | * in the TX packet. | |
3160 | */ | |
3161 | static int ath10k_add_interface(struct ieee80211_hw *hw, | |
3162 | struct ieee80211_vif *vif) | |
3163 | { | |
3164 | struct ath10k *ar = hw->priv; | |
3165 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
3166 | enum wmi_sta_powersave_param param; | |
3167 | int ret = 0; | |
5a13e76e | 3168 | u32 value; |
5e3dd157 | 3169 | int bit; |
6d1506e7 | 3170 | u32 vdev_param; |
5e3dd157 | 3171 | |
848955cc JB |
3172 | vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; |
3173 | ||
5e3dd157 KV |
3174 | mutex_lock(&ar->conf_mutex); |
3175 | ||
0dbd09e6 MK |
3176 | memset(arvif, 0, sizeof(*arvif)); |
3177 | ||
5e3dd157 KV |
3178 | arvif->ar = ar; |
3179 | arvif->vif = vif; | |
3180 | ||
e63b33f3 | 3181 | INIT_LIST_HEAD(&arvif->list); |
cc4827b9 | 3182 | |
a9aefb3b | 3183 | if (ar->free_vdev_map == 0) { |
7aa7a72a | 3184 | ath10k_warn(ar, "Free vdev map is empty, no more interfaces allowed.\n"); |
5e3dd157 | 3185 | ret = -EBUSY; |
9dad14ae | 3186 | goto err; |
5e3dd157 | 3187 | } |
16c11176 | 3188 | bit = __ffs64(ar->free_vdev_map); |
5e3dd157 | 3189 | |
16c11176 BG |
3190 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac create vdev %i map %llx\n", |
3191 | bit, ar->free_vdev_map); | |
5e3dd157 | 3192 | |
16c11176 | 3193 | arvif->vdev_id = bit; |
5e3dd157 | 3194 | arvif->vdev_subtype = WMI_VDEV_SUBTYPE_NONE; |
5e3dd157 | 3195 | |
5e3dd157 | 3196 | switch (vif->type) { |
75d2bd48 MK |
3197 | case NL80211_IFTYPE_P2P_DEVICE: |
3198 | arvif->vdev_type = WMI_VDEV_TYPE_STA; | |
3199 | arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_DEVICE; | |
3200 | break; | |
5e3dd157 KV |
3201 | case NL80211_IFTYPE_UNSPECIFIED: |
3202 | case NL80211_IFTYPE_STATION: | |
3203 | arvif->vdev_type = WMI_VDEV_TYPE_STA; | |
3204 | if (vif->p2p) | |
3205 | arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_CLIENT; | |
3206 | break; | |
3207 | case NL80211_IFTYPE_ADHOC: | |
3208 | arvif->vdev_type = WMI_VDEV_TYPE_IBSS; | |
3209 | break; | |
3210 | case NL80211_IFTYPE_AP: | |
3211 | arvif->vdev_type = WMI_VDEV_TYPE_AP; | |
3212 | ||
3213 | if (vif->p2p) | |
3214 | arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_GO; | |
3215 | break; | |
3216 | case NL80211_IFTYPE_MONITOR: | |
3217 | arvif->vdev_type = WMI_VDEV_TYPE_MONITOR; | |
3218 | break; | |
3219 | default: | |
3220 | WARN_ON(1); | |
3221 | break; | |
3222 | } | |
3223 | ||
64badcb6 MK |
3224 | /* Some firmware revisions don't wait for beacon tx completion before |
3225 | * sending another SWBA event. This could lead to hardware using old | |
3226 | * (freed) beacon data in some cases, e.g. tx credit starvation | |
3227 | * combined with missed TBTT. This is very very rare. | |
3228 | * | |
3229 | * On non-IOMMU-enabled hosts this could be a possible security issue | |
3230 | * because hw could beacon some random data on the air. On | |
3231 | * IOMMU-enabled hosts DMAR faults would occur in most cases and target | |
3232 | * device would crash. | |
3233 | * | |
3234 | * Since there are no beacon tx completions (implicit nor explicit) | |
3235 | * propagated to host the only workaround for this is to allocate a | |
3236 | * DMA-coherent buffer for a lifetime of a vif and use it for all | |
3237 | * beacon tx commands. Worst case for this approach is some beacons may | |
3238 | * become corrupted, e.g. have garbled IEs or out-of-date TIM bitmap. | |
3239 | */ | |
3240 | if (vif->type == NL80211_IFTYPE_ADHOC || | |
3241 | vif->type == NL80211_IFTYPE_AP) { | |
3242 | arvif->beacon_buf = dma_zalloc_coherent(ar->dev, | |
3243 | IEEE80211_MAX_FRAME_LEN, | |
3244 | &arvif->beacon_paddr, | |
82d7aba7 | 3245 | GFP_ATOMIC); |
64badcb6 MK |
3246 | if (!arvif->beacon_buf) { |
3247 | ret = -ENOMEM; | |
3248 | ath10k_warn(ar, "failed to allocate beacon buffer: %d\n", | |
3249 | ret); | |
3250 | goto err; | |
3251 | } | |
3252 | } | |
3253 | ||
3254 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev create %d (add interface) type %d subtype %d bcnmode %s\n", | |
3255 | arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype, | |
3256 | arvif->beacon_buf ? "single-buf" : "per-skb"); | |
5e3dd157 KV |
3257 | |
3258 | ret = ath10k_wmi_vdev_create(ar, arvif->vdev_id, arvif->vdev_type, | |
3259 | arvif->vdev_subtype, vif->addr); | |
3260 | if (ret) { | |
7aa7a72a | 3261 | ath10k_warn(ar, "failed to create WMI vdev %i: %d\n", |
69244e56 | 3262 | arvif->vdev_id, ret); |
9dad14ae | 3263 | goto err; |
5e3dd157 KV |
3264 | } |
3265 | ||
16c11176 | 3266 | ar->free_vdev_map &= ~(1LL << arvif->vdev_id); |
0579119f | 3267 | list_add(&arvif->list, &ar->arvifs); |
9dad14ae | 3268 | |
46725b15 MK |
3269 | /* It makes no sense to have firmware do keepalives. mac80211 already |
3270 | * takes care of this with idle connection polling. | |
3271 | */ | |
3272 | ret = ath10k_mac_vif_disable_keepalive(arvif); | |
9dad14ae | 3273 | if (ret) { |
46725b15 | 3274 | ath10k_warn(ar, "failed to disable keepalive on vdev %i: %d\n", |
69244e56 | 3275 | arvif->vdev_id, ret); |
9dad14ae MK |
3276 | goto err_vdev_delete; |
3277 | } | |
5e3dd157 | 3278 | |
627613f8 | 3279 | arvif->def_wep_key_idx = -1; |
5e3dd157 | 3280 | |
6d1506e7 BM |
3281 | vdev_param = ar->wmi.vdev_param->tx_encap_type; |
3282 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 | 3283 | ATH10K_HW_TXRX_NATIVE_WIFI); |
ebc9abdd | 3284 | /* 10.X firmware does not support this VDEV parameter. Do not warn */ |
9dad14ae | 3285 | if (ret && ret != -EOPNOTSUPP) { |
7aa7a72a | 3286 | ath10k_warn(ar, "failed to set vdev %i TX encapsulation: %d\n", |
69244e56 | 3287 | arvif->vdev_id, ret); |
9dad14ae MK |
3288 | goto err_vdev_delete; |
3289 | } | |
5e3dd157 | 3290 | |
5572a95b BG |
3291 | if (ar->cfg_tx_chainmask) { |
3292 | u16 nss = get_nss_from_chainmask(ar->cfg_tx_chainmask); | |
3293 | ||
3294 | vdev_param = ar->wmi.vdev_param->nss; | |
3295 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
3296 | nss); | |
3297 | if (ret) { | |
3298 | ath10k_warn(ar, "failed to set vdev %i chainmask 0x%x, nss %i: %d\n", | |
3299 | arvif->vdev_id, ar->cfg_tx_chainmask, nss, | |
3300 | ret); | |
3301 | goto err_vdev_delete; | |
3302 | } | |
3303 | } | |
3304 | ||
5e3dd157 KV |
3305 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { |
3306 | ret = ath10k_peer_create(ar, arvif->vdev_id, vif->addr); | |
3307 | if (ret) { | |
7aa7a72a | 3308 | ath10k_warn(ar, "failed to create vdev %i peer for AP: %d\n", |
69244e56 | 3309 | arvif->vdev_id, ret); |
9dad14ae | 3310 | goto err_vdev_delete; |
5e3dd157 | 3311 | } |
cdf07409 | 3312 | |
5a13e76e KV |
3313 | ret = ath10k_mac_set_kickout(arvif); |
3314 | if (ret) { | |
7aa7a72a | 3315 | ath10k_warn(ar, "failed to set vdev %i kickout parameters: %d\n", |
69244e56 | 3316 | arvif->vdev_id, ret); |
5a13e76e KV |
3317 | goto err_peer_delete; |
3318 | } | |
5e3dd157 KV |
3319 | } |
3320 | ||
3321 | if (arvif->vdev_type == WMI_VDEV_TYPE_STA) { | |
3322 | param = WMI_STA_PS_PARAM_RX_WAKE_POLICY; | |
3323 | value = WMI_STA_PS_RX_WAKE_POLICY_WAKE; | |
3324 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
3325 | param, value); | |
9dad14ae | 3326 | if (ret) { |
7aa7a72a | 3327 | ath10k_warn(ar, "failed to set vdev %i RX wake policy: %d\n", |
69244e56 | 3328 | arvif->vdev_id, ret); |
9dad14ae MK |
3329 | goto err_peer_delete; |
3330 | } | |
5e3dd157 | 3331 | |
9f9b5746 | 3332 | ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif); |
9dad14ae | 3333 | if (ret) { |
9f9b5746 | 3334 | ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n", |
69244e56 | 3335 | arvif->vdev_id, ret); |
9dad14ae MK |
3336 | goto err_peer_delete; |
3337 | } | |
5e3dd157 | 3338 | |
9f9b5746 | 3339 | ret = ath10k_mac_vif_recalc_ps_poll_count(arvif); |
9dad14ae | 3340 | if (ret) { |
9f9b5746 | 3341 | ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n", |
69244e56 | 3342 | arvif->vdev_id, ret); |
9dad14ae MK |
3343 | goto err_peer_delete; |
3344 | } | |
5e3dd157 KV |
3345 | } |
3346 | ||
424121c3 | 3347 | ret = ath10k_mac_set_rts(arvif, ar->hw->wiphy->rts_threshold); |
9dad14ae | 3348 | if (ret) { |
7aa7a72a | 3349 | ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n", |
679c54a6 | 3350 | arvif->vdev_id, ret); |
9dad14ae MK |
3351 | goto err_peer_delete; |
3352 | } | |
679c54a6 | 3353 | |
424121c3 | 3354 | ret = ath10k_mac_set_frag(arvif, ar->hw->wiphy->frag_threshold); |
9dad14ae | 3355 | if (ret) { |
7aa7a72a | 3356 | ath10k_warn(ar, "failed to set frag threshold for vdev %d: %d\n", |
679c54a6 | 3357 | arvif->vdev_id, ret); |
9dad14ae MK |
3358 | goto err_peer_delete; |
3359 | } | |
679c54a6 | 3360 | |
7d9d5587 MK |
3361 | arvif->txpower = vif->bss_conf.txpower; |
3362 | ret = ath10k_mac_txpower_recalc(ar); | |
3363 | if (ret) { | |
3364 | ath10k_warn(ar, "failed to recalc tx power: %d\n", ret); | |
3365 | goto err_peer_delete; | |
3366 | } | |
3367 | ||
5e3dd157 | 3368 | mutex_unlock(&ar->conf_mutex); |
9dad14ae MK |
3369 | return 0; |
3370 | ||
3371 | err_peer_delete: | |
3372 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP) | |
3373 | ath10k_wmi_peer_delete(ar, arvif->vdev_id, vif->addr); | |
3374 | ||
3375 | err_vdev_delete: | |
3376 | ath10k_wmi_vdev_delete(ar, arvif->vdev_id); | |
16c11176 | 3377 | ar->free_vdev_map |= 1LL << arvif->vdev_id; |
0579119f | 3378 | list_del(&arvif->list); |
9dad14ae MK |
3379 | |
3380 | err: | |
64badcb6 MK |
3381 | if (arvif->beacon_buf) { |
3382 | dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN, | |
3383 | arvif->beacon_buf, arvif->beacon_paddr); | |
3384 | arvif->beacon_buf = NULL; | |
3385 | } | |
3386 | ||
9dad14ae MK |
3387 | mutex_unlock(&ar->conf_mutex); |
3388 | ||
5e3dd157 KV |
3389 | return ret; |
3390 | } | |
3391 | ||
3392 | static void ath10k_remove_interface(struct ieee80211_hw *hw, | |
3393 | struct ieee80211_vif *vif) | |
3394 | { | |
3395 | struct ath10k *ar = hw->priv; | |
3396 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
3397 | int ret; | |
3398 | ||
5d011f5c SM |
3399 | mutex_lock(&ar->conf_mutex); |
3400 | ||
ed54388a | 3401 | spin_lock_bh(&ar->data_lock); |
64badcb6 | 3402 | ath10k_mac_vif_beacon_cleanup(arvif); |
ed54388a MK |
3403 | spin_unlock_bh(&ar->data_lock); |
3404 | ||
855aed12 SW |
3405 | ret = ath10k_spectral_vif_stop(arvif); |
3406 | if (ret) | |
7aa7a72a | 3407 | ath10k_warn(ar, "failed to stop spectral for vdev %i: %d\n", |
855aed12 SW |
3408 | arvif->vdev_id, ret); |
3409 | ||
16c11176 | 3410 | ar->free_vdev_map |= 1LL << arvif->vdev_id; |
0579119f | 3411 | list_del(&arvif->list); |
5e3dd157 KV |
3412 | |
3413 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { | |
2c512059 MK |
3414 | ret = ath10k_wmi_peer_delete(arvif->ar, arvif->vdev_id, |
3415 | vif->addr); | |
5e3dd157 | 3416 | if (ret) |
2c512059 | 3417 | ath10k_warn(ar, "failed to submit AP self-peer removal on vdev %i: %d\n", |
69244e56 | 3418 | arvif->vdev_id, ret); |
5e3dd157 KV |
3419 | |
3420 | kfree(arvif->u.ap.noa_data); | |
3421 | } | |
3422 | ||
7aa7a72a | 3423 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i delete (remove interface)\n", |
60c3daa8 KV |
3424 | arvif->vdev_id); |
3425 | ||
5e3dd157 KV |
3426 | ret = ath10k_wmi_vdev_delete(ar, arvif->vdev_id); |
3427 | if (ret) | |
7aa7a72a | 3428 | ath10k_warn(ar, "failed to delete WMI vdev %i: %d\n", |
69244e56 | 3429 | arvif->vdev_id, ret); |
5e3dd157 | 3430 | |
2c512059 MK |
3431 | /* Some firmware revisions don't notify host about self-peer removal |
3432 | * until after associated vdev is deleted. | |
3433 | */ | |
3434 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { | |
3435 | ret = ath10k_wait_for_peer_deleted(ar, arvif->vdev_id, | |
3436 | vif->addr); | |
3437 | if (ret) | |
3438 | ath10k_warn(ar, "failed to remove AP self-peer on vdev %i: %d\n", | |
3439 | arvif->vdev_id, ret); | |
3440 | ||
3441 | spin_lock_bh(&ar->data_lock); | |
3442 | ar->num_peers--; | |
3443 | spin_unlock_bh(&ar->data_lock); | |
3444 | } | |
3445 | ||
5e3dd157 KV |
3446 | ath10k_peer_cleanup(ar, arvif->vdev_id); |
3447 | ||
3448 | mutex_unlock(&ar->conf_mutex); | |
3449 | } | |
3450 | ||
3451 | /* | |
3452 | * FIXME: Has to be verified. | |
3453 | */ | |
3454 | #define SUPPORTED_FILTERS \ | |
3455 | (FIF_PROMISC_IN_BSS | \ | |
3456 | FIF_ALLMULTI | \ | |
3457 | FIF_CONTROL | \ | |
3458 | FIF_PSPOLL | \ | |
3459 | FIF_OTHER_BSS | \ | |
3460 | FIF_BCN_PRBRESP_PROMISC | \ | |
3461 | FIF_PROBE_REQ | \ | |
3462 | FIF_FCSFAIL) | |
3463 | ||
3464 | static void ath10k_configure_filter(struct ieee80211_hw *hw, | |
3465 | unsigned int changed_flags, | |
3466 | unsigned int *total_flags, | |
3467 | u64 multicast) | |
3468 | { | |
3469 | struct ath10k *ar = hw->priv; | |
3470 | int ret; | |
3471 | ||
3472 | mutex_lock(&ar->conf_mutex); | |
3473 | ||
3474 | changed_flags &= SUPPORTED_FILTERS; | |
3475 | *total_flags &= SUPPORTED_FILTERS; | |
3476 | ar->filter_flags = *total_flags; | |
3477 | ||
1933747f MK |
3478 | ret = ath10k_monitor_recalc(ar); |
3479 | if (ret) | |
3480 | ath10k_warn(ar, "failed to recalc montior: %d\n", ret); | |
5e3dd157 KV |
3481 | |
3482 | mutex_unlock(&ar->conf_mutex); | |
3483 | } | |
3484 | ||
3485 | static void ath10k_bss_info_changed(struct ieee80211_hw *hw, | |
3486 | struct ieee80211_vif *vif, | |
3487 | struct ieee80211_bss_conf *info, | |
3488 | u32 changed) | |
3489 | { | |
3490 | struct ath10k *ar = hw->priv; | |
3491 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
3492 | int ret = 0; | |
af762c0b | 3493 | u32 vdev_param, pdev_param, slottime, preamble; |
5e3dd157 KV |
3494 | |
3495 | mutex_lock(&ar->conf_mutex); | |
3496 | ||
3497 | if (changed & BSS_CHANGED_IBSS) | |
3498 | ath10k_control_ibss(arvif, info, vif->addr); | |
3499 | ||
3500 | if (changed & BSS_CHANGED_BEACON_INT) { | |
3501 | arvif->beacon_interval = info->beacon_int; | |
6d1506e7 BM |
3502 | vdev_param = ar->wmi.vdev_param->beacon_interval; |
3503 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 | 3504 | arvif->beacon_interval); |
7aa7a72a | 3505 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
3506 | "mac vdev %d beacon_interval %d\n", |
3507 | arvif->vdev_id, arvif->beacon_interval); | |
3508 | ||
5e3dd157 | 3509 | if (ret) |
7aa7a72a | 3510 | ath10k_warn(ar, "failed to set beacon interval for vdev %d: %i\n", |
69244e56 | 3511 | arvif->vdev_id, ret); |
5e3dd157 KV |
3512 | } |
3513 | ||
3514 | if (changed & BSS_CHANGED_BEACON) { | |
7aa7a72a | 3515 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
3516 | "vdev %d set beacon tx mode to staggered\n", |
3517 | arvif->vdev_id); | |
3518 | ||
226a339b BM |
3519 | pdev_param = ar->wmi.pdev_param->beacon_tx_mode; |
3520 | ret = ath10k_wmi_pdev_set_param(ar, pdev_param, | |
5e3dd157 KV |
3521 | WMI_BEACON_STAGGERED_MODE); |
3522 | if (ret) | |
7aa7a72a | 3523 | ath10k_warn(ar, "failed to set beacon mode for vdev %d: %i\n", |
69244e56 | 3524 | arvif->vdev_id, ret); |
fbb8f1b7 MK |
3525 | |
3526 | ret = ath10k_mac_setup_bcn_tmpl(arvif); | |
3527 | if (ret) | |
3528 | ath10k_warn(ar, "failed to update beacon template: %d\n", | |
3529 | ret); | |
3530 | } | |
3531 | ||
3532 | if (changed & BSS_CHANGED_AP_PROBE_RESP) { | |
3533 | ret = ath10k_mac_setup_prb_tmpl(arvif); | |
3534 | if (ret) | |
3535 | ath10k_warn(ar, "failed to setup probe resp template on vdev %i: %d\n", | |
3536 | arvif->vdev_id, ret); | |
5e3dd157 KV |
3537 | } |
3538 | ||
ba2479fe | 3539 | if (changed & (BSS_CHANGED_BEACON_INFO | BSS_CHANGED_BEACON)) { |
5e3dd157 KV |
3540 | arvif->dtim_period = info->dtim_period; |
3541 | ||
7aa7a72a | 3542 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
3543 | "mac vdev %d dtim_period %d\n", |
3544 | arvif->vdev_id, arvif->dtim_period); | |
3545 | ||
6d1506e7 BM |
3546 | vdev_param = ar->wmi.vdev_param->dtim_period; |
3547 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 KV |
3548 | arvif->dtim_period); |
3549 | if (ret) | |
7aa7a72a | 3550 | ath10k_warn(ar, "failed to set dtim period for vdev %d: %i\n", |
69244e56 | 3551 | arvif->vdev_id, ret); |
5e3dd157 KV |
3552 | } |
3553 | ||
3554 | if (changed & BSS_CHANGED_SSID && | |
3555 | vif->type == NL80211_IFTYPE_AP) { | |
3556 | arvif->u.ap.ssid_len = info->ssid_len; | |
3557 | if (info->ssid_len) | |
3558 | memcpy(arvif->u.ap.ssid, info->ssid, info->ssid_len); | |
3559 | arvif->u.ap.hidden_ssid = info->hidden_ssid; | |
3560 | } | |
3561 | ||
077efc8c MK |
3562 | if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid)) |
3563 | ether_addr_copy(arvif->bssid, info->bssid); | |
5e3dd157 KV |
3564 | |
3565 | if (changed & BSS_CHANGED_BEACON_ENABLED) | |
3566 | ath10k_control_beaconing(arvif, info); | |
3567 | ||
3568 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
e81bd104 | 3569 | arvif->use_cts_prot = info->use_cts_prot; |
7aa7a72a | 3570 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d cts_prot %d\n", |
e81bd104 | 3571 | arvif->vdev_id, info->use_cts_prot); |
60c3daa8 | 3572 | |
e81bd104 | 3573 | ret = ath10k_recalc_rtscts_prot(arvif); |
5e3dd157 | 3574 | if (ret) |
7aa7a72a | 3575 | ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n", |
69244e56 | 3576 | arvif->vdev_id, ret); |
5e3dd157 KV |
3577 | } |
3578 | ||
3579 | if (changed & BSS_CHANGED_ERP_SLOT) { | |
5e3dd157 KV |
3580 | if (info->use_short_slot) |
3581 | slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */ | |
3582 | ||
3583 | else | |
3584 | slottime = WMI_VDEV_SLOT_TIME_LONG; /* 20us */ | |
3585 | ||
7aa7a72a | 3586 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d slot_time %d\n", |
60c3daa8 KV |
3587 | arvif->vdev_id, slottime); |
3588 | ||
6d1506e7 BM |
3589 | vdev_param = ar->wmi.vdev_param->slot_time; |
3590 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 KV |
3591 | slottime); |
3592 | if (ret) | |
7aa7a72a | 3593 | ath10k_warn(ar, "failed to set erp slot for vdev %d: %i\n", |
69244e56 | 3594 | arvif->vdev_id, ret); |
5e3dd157 KV |
3595 | } |
3596 | ||
3597 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
5e3dd157 KV |
3598 | if (info->use_short_preamble) |
3599 | preamble = WMI_VDEV_PREAMBLE_SHORT; | |
3600 | else | |
3601 | preamble = WMI_VDEV_PREAMBLE_LONG; | |
3602 | ||
7aa7a72a | 3603 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
3604 | "mac vdev %d preamble %dn", |
3605 | arvif->vdev_id, preamble); | |
3606 | ||
6d1506e7 BM |
3607 | vdev_param = ar->wmi.vdev_param->preamble; |
3608 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 KV |
3609 | preamble); |
3610 | if (ret) | |
7aa7a72a | 3611 | ath10k_warn(ar, "failed to set preamble for vdev %d: %i\n", |
69244e56 | 3612 | arvif->vdev_id, ret); |
5e3dd157 KV |
3613 | } |
3614 | ||
3615 | if (changed & BSS_CHANGED_ASSOC) { | |
e556f111 MK |
3616 | if (info->assoc) { |
3617 | /* Workaround: Make sure monitor vdev is not running | |
3618 | * when associating to prevent some firmware revisions | |
3619 | * (e.g. 10.1 and 10.2) from crashing. | |
3620 | */ | |
3621 | if (ar->monitor_started) | |
3622 | ath10k_monitor_stop(ar); | |
5e3dd157 | 3623 | ath10k_bss_assoc(hw, vif, info); |
e556f111 | 3624 | ath10k_monitor_recalc(ar); |
077efc8c MK |
3625 | } else { |
3626 | ath10k_bss_disassoc(hw, vif); | |
e556f111 | 3627 | } |
5e3dd157 KV |
3628 | } |
3629 | ||
7d9d5587 MK |
3630 | if (changed & BSS_CHANGED_TXPOWER) { |
3631 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev_id %i txpower %d\n", | |
3632 | arvif->vdev_id, info->txpower); | |
3633 | ||
3634 | arvif->txpower = info->txpower; | |
3635 | ret = ath10k_mac_txpower_recalc(ar); | |
3636 | if (ret) | |
3637 | ath10k_warn(ar, "failed to recalc tx power: %d\n", ret); | |
3638 | } | |
3639 | ||
bf14e65c MK |
3640 | if (changed & BSS_CHANGED_PS) { |
3641 | ret = ath10k_mac_vif_setup_ps(arvif); | |
3642 | if (ret) | |
3643 | ath10k_warn(ar, "failed to setup ps on vdev %i: %d\n", | |
3644 | arvif->vdev_id, ret); | |
3645 | } | |
3646 | ||
5e3dd157 KV |
3647 | mutex_unlock(&ar->conf_mutex); |
3648 | } | |
3649 | ||
3650 | static int ath10k_hw_scan(struct ieee80211_hw *hw, | |
3651 | struct ieee80211_vif *vif, | |
c56ef672 | 3652 | struct ieee80211_scan_request *hw_req) |
5e3dd157 KV |
3653 | { |
3654 | struct ath10k *ar = hw->priv; | |
3655 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
c56ef672 | 3656 | struct cfg80211_scan_request *req = &hw_req->req; |
5e3dd157 KV |
3657 | struct wmi_start_scan_arg arg; |
3658 | int ret = 0; | |
3659 | int i; | |
3660 | ||
3661 | mutex_lock(&ar->conf_mutex); | |
3662 | ||
3663 | spin_lock_bh(&ar->data_lock); | |
5c81c7fd MK |
3664 | switch (ar->scan.state) { |
3665 | case ATH10K_SCAN_IDLE: | |
3666 | reinit_completion(&ar->scan.started); | |
3667 | reinit_completion(&ar->scan.completed); | |
3668 | ar->scan.state = ATH10K_SCAN_STARTING; | |
3669 | ar->scan.is_roc = false; | |
3670 | ar->scan.vdev_id = arvif->vdev_id; | |
3671 | ret = 0; | |
3672 | break; | |
3673 | case ATH10K_SCAN_STARTING: | |
3674 | case ATH10K_SCAN_RUNNING: | |
3675 | case ATH10K_SCAN_ABORTING: | |
5e3dd157 | 3676 | ret = -EBUSY; |
5c81c7fd | 3677 | break; |
5e3dd157 | 3678 | } |
5e3dd157 KV |
3679 | spin_unlock_bh(&ar->data_lock); |
3680 | ||
5c81c7fd MK |
3681 | if (ret) |
3682 | goto exit; | |
3683 | ||
5e3dd157 KV |
3684 | memset(&arg, 0, sizeof(arg)); |
3685 | ath10k_wmi_start_scan_init(ar, &arg); | |
3686 | arg.vdev_id = arvif->vdev_id; | |
3687 | arg.scan_id = ATH10K_SCAN_ID; | |
3688 | ||
3689 | if (!req->no_cck) | |
3690 | arg.scan_ctrl_flags |= WMI_SCAN_ADD_CCK_RATES; | |
3691 | ||
3692 | if (req->ie_len) { | |
3693 | arg.ie_len = req->ie_len; | |
3694 | memcpy(arg.ie, req->ie, arg.ie_len); | |
3695 | } | |
3696 | ||
3697 | if (req->n_ssids) { | |
3698 | arg.n_ssids = req->n_ssids; | |
3699 | for (i = 0; i < arg.n_ssids; i++) { | |
3700 | arg.ssids[i].len = req->ssids[i].ssid_len; | |
3701 | arg.ssids[i].ssid = req->ssids[i].ssid; | |
3702 | } | |
dcd4a561 MK |
3703 | } else { |
3704 | arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE; | |
5e3dd157 KV |
3705 | } |
3706 | ||
3707 | if (req->n_channels) { | |
3708 | arg.n_channels = req->n_channels; | |
3709 | for (i = 0; i < arg.n_channels; i++) | |
3710 | arg.channels[i] = req->channels[i]->center_freq; | |
3711 | } | |
3712 | ||
3713 | ret = ath10k_start_scan(ar, &arg); | |
3714 | if (ret) { | |
7aa7a72a | 3715 | ath10k_warn(ar, "failed to start hw scan: %d\n", ret); |
5e3dd157 | 3716 | spin_lock_bh(&ar->data_lock); |
5c81c7fd | 3717 | ar->scan.state = ATH10K_SCAN_IDLE; |
5e3dd157 KV |
3718 | spin_unlock_bh(&ar->data_lock); |
3719 | } | |
3720 | ||
3721 | exit: | |
3722 | mutex_unlock(&ar->conf_mutex); | |
3723 | return ret; | |
3724 | } | |
3725 | ||
3726 | static void ath10k_cancel_hw_scan(struct ieee80211_hw *hw, | |
3727 | struct ieee80211_vif *vif) | |
3728 | { | |
3729 | struct ath10k *ar = hw->priv; | |
5e3dd157 KV |
3730 | |
3731 | mutex_lock(&ar->conf_mutex); | |
5c81c7fd | 3732 | ath10k_scan_abort(ar); |
5e3dd157 | 3733 | mutex_unlock(&ar->conf_mutex); |
4eb2e164 MK |
3734 | |
3735 | cancel_delayed_work_sync(&ar->scan.timeout); | |
5e3dd157 KV |
3736 | } |
3737 | ||
cfb27d29 MK |
3738 | static void ath10k_set_key_h_def_keyidx(struct ath10k *ar, |
3739 | struct ath10k_vif *arvif, | |
3740 | enum set_key_cmd cmd, | |
3741 | struct ieee80211_key_conf *key) | |
3742 | { | |
3743 | u32 vdev_param = arvif->ar->wmi.vdev_param->def_keyid; | |
3744 | int ret; | |
3745 | ||
3746 | /* 10.1 firmware branch requires default key index to be set to group | |
3747 | * key index after installing it. Otherwise FW/HW Txes corrupted | |
3748 | * frames with multi-vif APs. This is not required for main firmware | |
3749 | * branch (e.g. 636). | |
3750 | * | |
3751 | * FIXME: This has been tested only in AP. It remains unknown if this | |
3752 | * is required for multi-vif STA interfaces on 10.1 */ | |
3753 | ||
3754 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP) | |
3755 | return; | |
3756 | ||
3757 | if (key->cipher == WLAN_CIPHER_SUITE_WEP40) | |
3758 | return; | |
3759 | ||
3760 | if (key->cipher == WLAN_CIPHER_SUITE_WEP104) | |
3761 | return; | |
3762 | ||
3763 | if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) | |
3764 | return; | |
3765 | ||
3766 | if (cmd != SET_KEY) | |
3767 | return; | |
3768 | ||
3769 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
3770 | key->keyidx); | |
3771 | if (ret) | |
7aa7a72a | 3772 | ath10k_warn(ar, "failed to set vdev %i group key as default key: %d\n", |
69244e56 | 3773 | arvif->vdev_id, ret); |
cfb27d29 MK |
3774 | } |
3775 | ||
5e3dd157 KV |
3776 | static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
3777 | struct ieee80211_vif *vif, struct ieee80211_sta *sta, | |
3778 | struct ieee80211_key_conf *key) | |
3779 | { | |
3780 | struct ath10k *ar = hw->priv; | |
3781 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
3782 | struct ath10k_peer *peer; | |
3783 | const u8 *peer_addr; | |
3784 | bool is_wep = key->cipher == WLAN_CIPHER_SUITE_WEP40 || | |
3785 | key->cipher == WLAN_CIPHER_SUITE_WEP104; | |
627613f8 | 3786 | bool def_idx = false; |
5e3dd157 KV |
3787 | int ret = 0; |
3788 | ||
3789 | if (key->keyidx > WMI_MAX_KEY_INDEX) | |
3790 | return -ENOSPC; | |
3791 | ||
3792 | mutex_lock(&ar->conf_mutex); | |
3793 | ||
3794 | if (sta) | |
3795 | peer_addr = sta->addr; | |
3796 | else if (arvif->vdev_type == WMI_VDEV_TYPE_STA) | |
3797 | peer_addr = vif->bss_conf.bssid; | |
3798 | else | |
3799 | peer_addr = vif->addr; | |
3800 | ||
3801 | key->hw_key_idx = key->keyidx; | |
3802 | ||
3803 | /* the peer should not disappear in mid-way (unless FW goes awry) since | |
3804 | * we already hold conf_mutex. we just make sure its there now. */ | |
3805 | spin_lock_bh(&ar->data_lock); | |
3806 | peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr); | |
3807 | spin_unlock_bh(&ar->data_lock); | |
3808 | ||
3809 | if (!peer) { | |
3810 | if (cmd == SET_KEY) { | |
7aa7a72a | 3811 | ath10k_warn(ar, "failed to install key for non-existent peer %pM\n", |
5e3dd157 KV |
3812 | peer_addr); |
3813 | ret = -EOPNOTSUPP; | |
3814 | goto exit; | |
3815 | } else { | |
3816 | /* if the peer doesn't exist there is no key to disable | |
3817 | * anymore */ | |
3818 | goto exit; | |
3819 | } | |
3820 | } | |
3821 | ||
3822 | if (is_wep) { | |
3823 | if (cmd == SET_KEY) | |
3824 | arvif->wep_keys[key->keyidx] = key; | |
3825 | else | |
3826 | arvif->wep_keys[key->keyidx] = NULL; | |
3827 | ||
3828 | if (cmd == DISABLE_KEY) | |
3829 | ath10k_clear_vdev_key(arvif, key); | |
3830 | } | |
3831 | ||
627613f8 SJ |
3832 | /* set TX_USAGE flag for all the keys incase of dot1x-WEP. For |
3833 | * static WEP, do not set this flag for the keys whose key id | |
3834 | * is greater than default key id. | |
3835 | */ | |
3836 | if (arvif->def_wep_key_idx == -1) | |
3837 | def_idx = true; | |
3838 | ||
3839 | ret = ath10k_install_key(arvif, key, cmd, peer_addr, def_idx); | |
5e3dd157 | 3840 | if (ret) { |
7aa7a72a | 3841 | ath10k_warn(ar, "failed to install key for vdev %i peer %pM: %d\n", |
69244e56 | 3842 | arvif->vdev_id, peer_addr, ret); |
5e3dd157 KV |
3843 | goto exit; |
3844 | } | |
3845 | ||
cfb27d29 MK |
3846 | ath10k_set_key_h_def_keyidx(ar, arvif, cmd, key); |
3847 | ||
5e3dd157 KV |
3848 | spin_lock_bh(&ar->data_lock); |
3849 | peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr); | |
3850 | if (peer && cmd == SET_KEY) | |
3851 | peer->keys[key->keyidx] = key; | |
3852 | else if (peer && cmd == DISABLE_KEY) | |
3853 | peer->keys[key->keyidx] = NULL; | |
3854 | else if (peer == NULL) | |
3855 | /* impossible unless FW goes crazy */ | |
7aa7a72a | 3856 | ath10k_warn(ar, "Peer %pM disappeared!\n", peer_addr); |
5e3dd157 KV |
3857 | spin_unlock_bh(&ar->data_lock); |
3858 | ||
3859 | exit: | |
3860 | mutex_unlock(&ar->conf_mutex); | |
3861 | return ret; | |
3862 | } | |
3863 | ||
627613f8 SJ |
3864 | static void ath10k_set_default_unicast_key(struct ieee80211_hw *hw, |
3865 | struct ieee80211_vif *vif, | |
3866 | int keyidx) | |
3867 | { | |
3868 | struct ath10k *ar = hw->priv; | |
3869 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
3870 | int ret; | |
3871 | ||
3872 | mutex_lock(&arvif->ar->conf_mutex); | |
3873 | ||
3874 | if (arvif->ar->state != ATH10K_STATE_ON) | |
3875 | goto unlock; | |
3876 | ||
3877 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d set keyidx %d\n", | |
3878 | arvif->vdev_id, keyidx); | |
3879 | ||
3880 | ret = ath10k_wmi_vdev_set_param(arvif->ar, | |
3881 | arvif->vdev_id, | |
3882 | arvif->ar->wmi.vdev_param->def_keyid, | |
3883 | keyidx); | |
3884 | ||
3885 | if (ret) { | |
3886 | ath10k_warn(ar, "failed to update wep key index for vdev %d: %d\n", | |
3887 | arvif->vdev_id, | |
3888 | ret); | |
3889 | goto unlock; | |
3890 | } | |
3891 | ||
3892 | arvif->def_wep_key_idx = keyidx; | |
3893 | unlock: | |
3894 | mutex_unlock(&arvif->ar->conf_mutex); | |
3895 | } | |
3896 | ||
9797febc MK |
3897 | static void ath10k_sta_rc_update_wk(struct work_struct *wk) |
3898 | { | |
3899 | struct ath10k *ar; | |
3900 | struct ath10k_vif *arvif; | |
3901 | struct ath10k_sta *arsta; | |
3902 | struct ieee80211_sta *sta; | |
3903 | u32 changed, bw, nss, smps; | |
3904 | int err; | |
3905 | ||
3906 | arsta = container_of(wk, struct ath10k_sta, update_wk); | |
3907 | sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv); | |
3908 | arvif = arsta->arvif; | |
3909 | ar = arvif->ar; | |
3910 | ||
3911 | spin_lock_bh(&ar->data_lock); | |
3912 | ||
3913 | changed = arsta->changed; | |
3914 | arsta->changed = 0; | |
3915 | ||
3916 | bw = arsta->bw; | |
3917 | nss = arsta->nss; | |
3918 | smps = arsta->smps; | |
3919 | ||
3920 | spin_unlock_bh(&ar->data_lock); | |
3921 | ||
3922 | mutex_lock(&ar->conf_mutex); | |
3923 | ||
3924 | if (changed & IEEE80211_RC_BW_CHANGED) { | |
7aa7a72a | 3925 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM peer bw %d\n", |
9797febc MK |
3926 | sta->addr, bw); |
3927 | ||
3928 | err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, | |
3929 | WMI_PEER_CHAN_WIDTH, bw); | |
3930 | if (err) | |
7aa7a72a | 3931 | ath10k_warn(ar, "failed to update STA %pM peer bw %d: %d\n", |
9797febc MK |
3932 | sta->addr, bw, err); |
3933 | } | |
3934 | ||
3935 | if (changed & IEEE80211_RC_NSS_CHANGED) { | |
7aa7a72a | 3936 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM nss %d\n", |
9797febc MK |
3937 | sta->addr, nss); |
3938 | ||
3939 | err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, | |
3940 | WMI_PEER_NSS, nss); | |
3941 | if (err) | |
7aa7a72a | 3942 | ath10k_warn(ar, "failed to update STA %pM nss %d: %d\n", |
9797febc MK |
3943 | sta->addr, nss, err); |
3944 | } | |
3945 | ||
3946 | if (changed & IEEE80211_RC_SMPS_CHANGED) { | |
7aa7a72a | 3947 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM smps %d\n", |
9797febc MK |
3948 | sta->addr, smps); |
3949 | ||
3950 | err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, | |
3951 | WMI_PEER_SMPS_STATE, smps); | |
3952 | if (err) | |
7aa7a72a | 3953 | ath10k_warn(ar, "failed to update STA %pM smps %d: %d\n", |
9797febc MK |
3954 | sta->addr, smps, err); |
3955 | } | |
3956 | ||
55884c04 JD |
3957 | if (changed & IEEE80211_RC_SUPP_RATES_CHANGED || |
3958 | changed & IEEE80211_RC_NSS_CHANGED) { | |
3959 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM supp rates/nss\n", | |
44d6fa90 CYY |
3960 | sta->addr); |
3961 | ||
590922a8 | 3962 | err = ath10k_station_assoc(ar, arvif->vif, sta, true); |
44d6fa90 | 3963 | if (err) |
7aa7a72a | 3964 | ath10k_warn(ar, "failed to reassociate station: %pM\n", |
44d6fa90 CYY |
3965 | sta->addr); |
3966 | } | |
3967 | ||
9797febc MK |
3968 | mutex_unlock(&ar->conf_mutex); |
3969 | } | |
3970 | ||
cfd1061e MK |
3971 | static int ath10k_mac_inc_num_stations(struct ath10k_vif *arvif) |
3972 | { | |
3973 | struct ath10k *ar = arvif->ar; | |
3974 | ||
3975 | lockdep_assert_held(&ar->conf_mutex); | |
3976 | ||
3977 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP && | |
3978 | arvif->vdev_type != WMI_VDEV_TYPE_IBSS) | |
3979 | return 0; | |
3980 | ||
3981 | if (ar->num_stations >= ar->max_num_stations) | |
3982 | return -ENOBUFS; | |
3983 | ||
3984 | ar->num_stations++; | |
3985 | ||
3986 | return 0; | |
3987 | } | |
3988 | ||
3989 | static void ath10k_mac_dec_num_stations(struct ath10k_vif *arvif) | |
3990 | { | |
3991 | struct ath10k *ar = arvif->ar; | |
3992 | ||
3993 | lockdep_assert_held(&ar->conf_mutex); | |
3994 | ||
3995 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP && | |
3996 | arvif->vdev_type != WMI_VDEV_TYPE_IBSS) | |
3997 | return; | |
3998 | ||
3999 | ar->num_stations--; | |
4000 | } | |
4001 | ||
5e3dd157 KV |
4002 | static int ath10k_sta_state(struct ieee80211_hw *hw, |
4003 | struct ieee80211_vif *vif, | |
4004 | struct ieee80211_sta *sta, | |
4005 | enum ieee80211_sta_state old_state, | |
4006 | enum ieee80211_sta_state new_state) | |
4007 | { | |
4008 | struct ath10k *ar = hw->priv; | |
4009 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
9797febc | 4010 | struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; |
5e3dd157 KV |
4011 | int ret = 0; |
4012 | ||
76f90024 MK |
4013 | if (old_state == IEEE80211_STA_NOTEXIST && |
4014 | new_state == IEEE80211_STA_NONE) { | |
4015 | memset(arsta, 0, sizeof(*arsta)); | |
4016 | arsta->arvif = arvif; | |
4017 | INIT_WORK(&arsta->update_wk, ath10k_sta_rc_update_wk); | |
4018 | } | |
4019 | ||
9797febc MK |
4020 | /* cancel must be done outside the mutex to avoid deadlock */ |
4021 | if ((old_state == IEEE80211_STA_NONE && | |
4022 | new_state == IEEE80211_STA_NOTEXIST)) | |
4023 | cancel_work_sync(&arsta->update_wk); | |
4024 | ||
5e3dd157 KV |
4025 | mutex_lock(&ar->conf_mutex); |
4026 | ||
4027 | if (old_state == IEEE80211_STA_NOTEXIST && | |
077efc8c | 4028 | new_state == IEEE80211_STA_NONE) { |
5e3dd157 KV |
4029 | /* |
4030 | * New station addition. | |
4031 | */ | |
cfd1061e MK |
4032 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
4033 | "mac vdev %d peer create %pM (new sta) sta %d / %d peer %d / %d\n", | |
4034 | arvif->vdev_id, sta->addr, | |
4035 | ar->num_stations + 1, ar->max_num_stations, | |
4036 | ar->num_peers + 1, ar->max_num_peers); | |
0e759f36 | 4037 | |
cfd1061e MK |
4038 | ret = ath10k_mac_inc_num_stations(arvif); |
4039 | if (ret) { | |
4040 | ath10k_warn(ar, "refusing to associate station: too many connected already (%d)\n", | |
4041 | ar->max_num_stations); | |
0e759f36 BM |
4042 | goto exit; |
4043 | } | |
4044 | ||
5e3dd157 | 4045 | ret = ath10k_peer_create(ar, arvif->vdev_id, sta->addr); |
a52c0282 | 4046 | if (ret) { |
7aa7a72a | 4047 | ath10k_warn(ar, "failed to add peer %pM for vdev %d when adding a new sta: %i\n", |
479398b0 | 4048 | sta->addr, arvif->vdev_id, ret); |
cfd1061e | 4049 | ath10k_mac_dec_num_stations(arvif); |
a52c0282 MK |
4050 | goto exit; |
4051 | } | |
077efc8c MK |
4052 | |
4053 | if (vif->type == NL80211_IFTYPE_STATION) { | |
4054 | WARN_ON(arvif->is_started); | |
4055 | ||
4056 | ret = ath10k_vdev_start(arvif); | |
4057 | if (ret) { | |
4058 | ath10k_warn(ar, "failed to start vdev %i: %d\n", | |
4059 | arvif->vdev_id, ret); | |
4060 | WARN_ON(ath10k_peer_delete(ar, arvif->vdev_id, | |
4061 | sta->addr)); | |
cfd1061e | 4062 | ath10k_mac_dec_num_stations(arvif); |
077efc8c MK |
4063 | goto exit; |
4064 | } | |
4065 | ||
4066 | arvif->is_started = true; | |
4067 | } | |
5e3dd157 KV |
4068 | } else if ((old_state == IEEE80211_STA_NONE && |
4069 | new_state == IEEE80211_STA_NOTEXIST)) { | |
4070 | /* | |
4071 | * Existing station deletion. | |
4072 | */ | |
7aa7a72a | 4073 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
4074 | "mac vdev %d peer delete %pM (sta gone)\n", |
4075 | arvif->vdev_id, sta->addr); | |
077efc8c MK |
4076 | |
4077 | if (vif->type == NL80211_IFTYPE_STATION) { | |
4078 | WARN_ON(!arvif->is_started); | |
4079 | ||
4080 | ret = ath10k_vdev_stop(arvif); | |
4081 | if (ret) | |
4082 | ath10k_warn(ar, "failed to stop vdev %i: %d\n", | |
4083 | arvif->vdev_id, ret); | |
4084 | ||
4085 | arvif->is_started = false; | |
4086 | } | |
4087 | ||
5e3dd157 KV |
4088 | ret = ath10k_peer_delete(ar, arvif->vdev_id, sta->addr); |
4089 | if (ret) | |
7aa7a72a | 4090 | ath10k_warn(ar, "failed to delete peer %pM for vdev %d: %i\n", |
69244e56 | 4091 | sta->addr, arvif->vdev_id, ret); |
5e3dd157 | 4092 | |
cfd1061e | 4093 | ath10k_mac_dec_num_stations(arvif); |
5e3dd157 KV |
4094 | } else if (old_state == IEEE80211_STA_AUTH && |
4095 | new_state == IEEE80211_STA_ASSOC && | |
4096 | (vif->type == NL80211_IFTYPE_AP || | |
4097 | vif->type == NL80211_IFTYPE_ADHOC)) { | |
4098 | /* | |
4099 | * New association. | |
4100 | */ | |
7aa7a72a | 4101 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM associated\n", |
60c3daa8 KV |
4102 | sta->addr); |
4103 | ||
590922a8 | 4104 | ret = ath10k_station_assoc(ar, vif, sta, false); |
5e3dd157 | 4105 | if (ret) |
7aa7a72a | 4106 | ath10k_warn(ar, "failed to associate station %pM for vdev %i: %i\n", |
69244e56 | 4107 | sta->addr, arvif->vdev_id, ret); |
5e3dd157 KV |
4108 | } else if (old_state == IEEE80211_STA_ASSOC && |
4109 | new_state == IEEE80211_STA_AUTH && | |
4110 | (vif->type == NL80211_IFTYPE_AP || | |
4111 | vif->type == NL80211_IFTYPE_ADHOC)) { | |
4112 | /* | |
4113 | * Disassociation. | |
4114 | */ | |
7aa7a72a | 4115 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM disassociated\n", |
60c3daa8 KV |
4116 | sta->addr); |
4117 | ||
590922a8 | 4118 | ret = ath10k_station_disassoc(ar, vif, sta); |
5e3dd157 | 4119 | if (ret) |
7aa7a72a | 4120 | ath10k_warn(ar, "failed to disassociate station: %pM vdev %i: %i\n", |
69244e56 | 4121 | sta->addr, arvif->vdev_id, ret); |
5e3dd157 | 4122 | } |
0e759f36 | 4123 | exit: |
5e3dd157 KV |
4124 | mutex_unlock(&ar->conf_mutex); |
4125 | return ret; | |
4126 | } | |
4127 | ||
4128 | static int ath10k_conf_tx_uapsd(struct ath10k *ar, struct ieee80211_vif *vif, | |
5b07e07f | 4129 | u16 ac, bool enable) |
5e3dd157 KV |
4130 | { |
4131 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
b0e56154 MK |
4132 | struct wmi_sta_uapsd_auto_trig_arg arg = {}; |
4133 | u32 prio = 0, acc = 0; | |
5e3dd157 KV |
4134 | u32 value = 0; |
4135 | int ret = 0; | |
4136 | ||
548db54c MK |
4137 | lockdep_assert_held(&ar->conf_mutex); |
4138 | ||
5e3dd157 KV |
4139 | if (arvif->vdev_type != WMI_VDEV_TYPE_STA) |
4140 | return 0; | |
4141 | ||
4142 | switch (ac) { | |
4143 | case IEEE80211_AC_VO: | |
4144 | value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN | | |
4145 | WMI_STA_PS_UAPSD_AC3_TRIGGER_EN; | |
b0e56154 MK |
4146 | prio = 7; |
4147 | acc = 3; | |
5e3dd157 KV |
4148 | break; |
4149 | case IEEE80211_AC_VI: | |
4150 | value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN | | |
4151 | WMI_STA_PS_UAPSD_AC2_TRIGGER_EN; | |
b0e56154 MK |
4152 | prio = 5; |
4153 | acc = 2; | |
5e3dd157 KV |
4154 | break; |
4155 | case IEEE80211_AC_BE: | |
4156 | value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN | | |
4157 | WMI_STA_PS_UAPSD_AC1_TRIGGER_EN; | |
b0e56154 MK |
4158 | prio = 2; |
4159 | acc = 1; | |
5e3dd157 KV |
4160 | break; |
4161 | case IEEE80211_AC_BK: | |
4162 | value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN | | |
4163 | WMI_STA_PS_UAPSD_AC0_TRIGGER_EN; | |
b0e56154 MK |
4164 | prio = 0; |
4165 | acc = 0; | |
5e3dd157 KV |
4166 | break; |
4167 | } | |
4168 | ||
4169 | if (enable) | |
4170 | arvif->u.sta.uapsd |= value; | |
4171 | else | |
4172 | arvif->u.sta.uapsd &= ~value; | |
4173 | ||
4174 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
4175 | WMI_STA_PS_PARAM_UAPSD, | |
4176 | arvif->u.sta.uapsd); | |
4177 | if (ret) { | |
7aa7a72a | 4178 | ath10k_warn(ar, "failed to set uapsd params: %d\n", ret); |
5e3dd157 KV |
4179 | goto exit; |
4180 | } | |
4181 | ||
4182 | if (arvif->u.sta.uapsd) | |
4183 | value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD; | |
4184 | else | |
4185 | value = WMI_STA_PS_RX_WAKE_POLICY_WAKE; | |
4186 | ||
4187 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
4188 | WMI_STA_PS_PARAM_RX_WAKE_POLICY, | |
4189 | value); | |
4190 | if (ret) | |
7aa7a72a | 4191 | ath10k_warn(ar, "failed to set rx wake param: %d\n", ret); |
5e3dd157 | 4192 | |
9f9b5746 MK |
4193 | ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif); |
4194 | if (ret) { | |
4195 | ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n", | |
4196 | arvif->vdev_id, ret); | |
4197 | return ret; | |
4198 | } | |
4199 | ||
4200 | ret = ath10k_mac_vif_recalc_ps_poll_count(arvif); | |
4201 | if (ret) { | |
4202 | ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n", | |
4203 | arvif->vdev_id, ret); | |
4204 | return ret; | |
4205 | } | |
4206 | ||
b0e56154 MK |
4207 | if (test_bit(WMI_SERVICE_STA_UAPSD_BASIC_AUTO_TRIG, ar->wmi.svc_map) || |
4208 | test_bit(WMI_SERVICE_STA_UAPSD_VAR_AUTO_TRIG, ar->wmi.svc_map)) { | |
4209 | /* Only userspace can make an educated decision when to send | |
4210 | * trigger frame. The following effectively disables u-UAPSD | |
4211 | * autotrigger in firmware (which is enabled by default | |
4212 | * provided the autotrigger service is available). | |
4213 | */ | |
4214 | ||
4215 | arg.wmm_ac = acc; | |
4216 | arg.user_priority = prio; | |
4217 | arg.service_interval = 0; | |
4218 | arg.suspend_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC; | |
4219 | arg.delay_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC; | |
4220 | ||
4221 | ret = ath10k_wmi_vdev_sta_uapsd(ar, arvif->vdev_id, | |
4222 | arvif->bssid, &arg, 1); | |
4223 | if (ret) { | |
4224 | ath10k_warn(ar, "failed to set uapsd auto trigger %d\n", | |
4225 | ret); | |
4226 | return ret; | |
4227 | } | |
4228 | } | |
4229 | ||
5e3dd157 KV |
4230 | exit: |
4231 | return ret; | |
4232 | } | |
4233 | ||
4234 | static int ath10k_conf_tx(struct ieee80211_hw *hw, | |
4235 | struct ieee80211_vif *vif, u16 ac, | |
4236 | const struct ieee80211_tx_queue_params *params) | |
4237 | { | |
4238 | struct ath10k *ar = hw->priv; | |
5e752e42 | 4239 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
5e3dd157 KV |
4240 | struct wmi_wmm_params_arg *p = NULL; |
4241 | int ret; | |
4242 | ||
4243 | mutex_lock(&ar->conf_mutex); | |
4244 | ||
4245 | switch (ac) { | |
4246 | case IEEE80211_AC_VO: | |
5e752e42 | 4247 | p = &arvif->wmm_params.ac_vo; |
5e3dd157 KV |
4248 | break; |
4249 | case IEEE80211_AC_VI: | |
5e752e42 | 4250 | p = &arvif->wmm_params.ac_vi; |
5e3dd157 KV |
4251 | break; |
4252 | case IEEE80211_AC_BE: | |
5e752e42 | 4253 | p = &arvif->wmm_params.ac_be; |
5e3dd157 KV |
4254 | break; |
4255 | case IEEE80211_AC_BK: | |
5e752e42 | 4256 | p = &arvif->wmm_params.ac_bk; |
5e3dd157 KV |
4257 | break; |
4258 | } | |
4259 | ||
4260 | if (WARN_ON(!p)) { | |
4261 | ret = -EINVAL; | |
4262 | goto exit; | |
4263 | } | |
4264 | ||
4265 | p->cwmin = params->cw_min; | |
4266 | p->cwmax = params->cw_max; | |
4267 | p->aifs = params->aifs; | |
4268 | ||
4269 | /* | |
4270 | * The channel time duration programmed in the HW is in absolute | |
4271 | * microseconds, while mac80211 gives the txop in units of | |
4272 | * 32 microseconds. | |
4273 | */ | |
4274 | p->txop = params->txop * 32; | |
4275 | ||
7fc979a7 MK |
4276 | if (ar->wmi.ops->gen_vdev_wmm_conf) { |
4277 | ret = ath10k_wmi_vdev_wmm_conf(ar, arvif->vdev_id, | |
4278 | &arvif->wmm_params); | |
4279 | if (ret) { | |
4280 | ath10k_warn(ar, "failed to set vdev wmm params on vdev %i: %d\n", | |
4281 | arvif->vdev_id, ret); | |
4282 | goto exit; | |
4283 | } | |
4284 | } else { | |
4285 | /* This won't work well with multi-interface cases but it's | |
4286 | * better than nothing. | |
4287 | */ | |
4288 | ret = ath10k_wmi_pdev_set_wmm_params(ar, &arvif->wmm_params); | |
4289 | if (ret) { | |
4290 | ath10k_warn(ar, "failed to set wmm params: %d\n", ret); | |
4291 | goto exit; | |
4292 | } | |
5e3dd157 KV |
4293 | } |
4294 | ||
4295 | ret = ath10k_conf_tx_uapsd(ar, vif, ac, params->uapsd); | |
4296 | if (ret) | |
7aa7a72a | 4297 | ath10k_warn(ar, "failed to set sta uapsd: %d\n", ret); |
5e3dd157 KV |
4298 | |
4299 | exit: | |
4300 | mutex_unlock(&ar->conf_mutex); | |
4301 | return ret; | |
4302 | } | |
4303 | ||
4304 | #define ATH10K_ROC_TIMEOUT_HZ (2*HZ) | |
4305 | ||
4306 | static int ath10k_remain_on_channel(struct ieee80211_hw *hw, | |
4307 | struct ieee80211_vif *vif, | |
4308 | struct ieee80211_channel *chan, | |
4309 | int duration, | |
4310 | enum ieee80211_roc_type type) | |
4311 | { | |
4312 | struct ath10k *ar = hw->priv; | |
4313 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
4314 | struct wmi_start_scan_arg arg; | |
5c81c7fd | 4315 | int ret = 0; |
5e3dd157 KV |
4316 | |
4317 | mutex_lock(&ar->conf_mutex); | |
4318 | ||
4319 | spin_lock_bh(&ar->data_lock); | |
5c81c7fd MK |
4320 | switch (ar->scan.state) { |
4321 | case ATH10K_SCAN_IDLE: | |
4322 | reinit_completion(&ar->scan.started); | |
4323 | reinit_completion(&ar->scan.completed); | |
4324 | reinit_completion(&ar->scan.on_channel); | |
4325 | ar->scan.state = ATH10K_SCAN_STARTING; | |
4326 | ar->scan.is_roc = true; | |
4327 | ar->scan.vdev_id = arvif->vdev_id; | |
4328 | ar->scan.roc_freq = chan->center_freq; | |
4329 | ret = 0; | |
4330 | break; | |
4331 | case ATH10K_SCAN_STARTING: | |
4332 | case ATH10K_SCAN_RUNNING: | |
4333 | case ATH10K_SCAN_ABORTING: | |
5e3dd157 | 4334 | ret = -EBUSY; |
5c81c7fd | 4335 | break; |
5e3dd157 | 4336 | } |
5e3dd157 KV |
4337 | spin_unlock_bh(&ar->data_lock); |
4338 | ||
5c81c7fd MK |
4339 | if (ret) |
4340 | goto exit; | |
4341 | ||
dcca0bdb MK |
4342 | duration = max(duration, WMI_SCAN_CHAN_MIN_TIME_MSEC); |
4343 | ||
5e3dd157 KV |
4344 | memset(&arg, 0, sizeof(arg)); |
4345 | ath10k_wmi_start_scan_init(ar, &arg); | |
4346 | arg.vdev_id = arvif->vdev_id; | |
4347 | arg.scan_id = ATH10K_SCAN_ID; | |
4348 | arg.n_channels = 1; | |
4349 | arg.channels[0] = chan->center_freq; | |
4350 | arg.dwell_time_active = duration; | |
4351 | arg.dwell_time_passive = duration; | |
4352 | arg.max_scan_time = 2 * duration; | |
4353 | arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE; | |
4354 | arg.scan_ctrl_flags |= WMI_SCAN_FILTER_PROBE_REQ; | |
4355 | ||
4356 | ret = ath10k_start_scan(ar, &arg); | |
4357 | if (ret) { | |
7aa7a72a | 4358 | ath10k_warn(ar, "failed to start roc scan: %d\n", ret); |
5e3dd157 | 4359 | spin_lock_bh(&ar->data_lock); |
5c81c7fd | 4360 | ar->scan.state = ATH10K_SCAN_IDLE; |
5e3dd157 KV |
4361 | spin_unlock_bh(&ar->data_lock); |
4362 | goto exit; | |
4363 | } | |
4364 | ||
4365 | ret = wait_for_completion_timeout(&ar->scan.on_channel, 3*HZ); | |
4366 | if (ret == 0) { | |
7aa7a72a | 4367 | ath10k_warn(ar, "failed to switch to channel for roc scan\n"); |
5c81c7fd MK |
4368 | |
4369 | ret = ath10k_scan_stop(ar); | |
4370 | if (ret) | |
7aa7a72a | 4371 | ath10k_warn(ar, "failed to stop scan: %d\n", ret); |
5c81c7fd | 4372 | |
5e3dd157 KV |
4373 | ret = -ETIMEDOUT; |
4374 | goto exit; | |
4375 | } | |
4376 | ||
4377 | ret = 0; | |
4378 | exit: | |
4379 | mutex_unlock(&ar->conf_mutex); | |
4380 | return ret; | |
4381 | } | |
4382 | ||
4383 | static int ath10k_cancel_remain_on_channel(struct ieee80211_hw *hw) | |
4384 | { | |
4385 | struct ath10k *ar = hw->priv; | |
4386 | ||
4387 | mutex_lock(&ar->conf_mutex); | |
5c81c7fd | 4388 | ath10k_scan_abort(ar); |
5e3dd157 KV |
4389 | mutex_unlock(&ar->conf_mutex); |
4390 | ||
4eb2e164 MK |
4391 | cancel_delayed_work_sync(&ar->scan.timeout); |
4392 | ||
5e3dd157 KV |
4393 | return 0; |
4394 | } | |
4395 | ||
4396 | /* | |
4397 | * Both RTS and Fragmentation threshold are interface-specific | |
4398 | * in ath10k, but device-specific in mac80211. | |
4399 | */ | |
5e3dd157 | 4400 | |
ad088bfa MK |
4401 | static int ath10k_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
4402 | { | |
4403 | struct ath10k *ar = hw->priv; | |
4404 | struct ath10k_vif *arvif; | |
4405 | int ret = 0; | |
548db54c | 4406 | |
5e3dd157 | 4407 | mutex_lock(&ar->conf_mutex); |
ad088bfa | 4408 | list_for_each_entry(arvif, &ar->arvifs, list) { |
7aa7a72a | 4409 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d rts threshold %d\n", |
ad088bfa MK |
4410 | arvif->vdev_id, value); |
4411 | ||
4412 | ret = ath10k_mac_set_rts(arvif, value); | |
4413 | if (ret) { | |
7aa7a72a | 4414 | ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n", |
ad088bfa MK |
4415 | arvif->vdev_id, ret); |
4416 | break; | |
4417 | } | |
4418 | } | |
5e3dd157 KV |
4419 | mutex_unlock(&ar->conf_mutex); |
4420 | ||
ad088bfa | 4421 | return ret; |
5e3dd157 KV |
4422 | } |
4423 | ||
77be2c54 EG |
4424 | static void ath10k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
4425 | u32 queues, bool drop) | |
5e3dd157 KV |
4426 | { |
4427 | struct ath10k *ar = hw->priv; | |
affd3217 | 4428 | bool skip; |
5e3dd157 KV |
4429 | int ret; |
4430 | ||
4431 | /* mac80211 doesn't care if we really xmit queued frames or not | |
4432 | * we'll collect those frames either way if we stop/delete vdevs */ | |
4433 | if (drop) | |
4434 | return; | |
4435 | ||
548db54c MK |
4436 | mutex_lock(&ar->conf_mutex); |
4437 | ||
affd3217 MK |
4438 | if (ar->state == ATH10K_STATE_WEDGED) |
4439 | goto skip; | |
4440 | ||
edb8236d | 4441 | ret = wait_event_timeout(ar->htt.empty_tx_wq, ({ |
5e3dd157 | 4442 | bool empty; |
affd3217 | 4443 | |
edb8236d | 4444 | spin_lock_bh(&ar->htt.tx_lock); |
0945baf7 | 4445 | empty = (ar->htt.num_pending_tx == 0); |
edb8236d | 4446 | spin_unlock_bh(&ar->htt.tx_lock); |
affd3217 | 4447 | |
7962b0d8 MK |
4448 | skip = (ar->state == ATH10K_STATE_WEDGED) || |
4449 | test_bit(ATH10K_FLAG_CRASH_FLUSH, | |
4450 | &ar->dev_flags); | |
affd3217 MK |
4451 | |
4452 | (empty || skip); | |
5e3dd157 | 4453 | }), ATH10K_FLUSH_TIMEOUT_HZ); |
affd3217 MK |
4454 | |
4455 | if (ret <= 0 || skip) | |
7aa7a72a | 4456 | ath10k_warn(ar, "failed to flush transmit queue (skip %i ar-state %i): %i\n", |
9ba4c787 | 4457 | skip, ar->state, ret); |
548db54c | 4458 | |
affd3217 | 4459 | skip: |
548db54c | 4460 | mutex_unlock(&ar->conf_mutex); |
5e3dd157 KV |
4461 | } |
4462 | ||
4463 | /* TODO: Implement this function properly | |
4464 | * For now it is needed to reply to Probe Requests in IBSS mode. | |
4465 | * Propably we need this information from FW. | |
4466 | */ | |
4467 | static int ath10k_tx_last_beacon(struct ieee80211_hw *hw) | |
4468 | { | |
4469 | return 1; | |
4470 | } | |
4471 | ||
8cd13cad MK |
4472 | #ifdef CONFIG_PM |
4473 | static int ath10k_suspend(struct ieee80211_hw *hw, | |
4474 | struct cfg80211_wowlan *wowlan) | |
4475 | { | |
4476 | struct ath10k *ar = hw->priv; | |
4477 | int ret; | |
4478 | ||
9042e17d MP |
4479 | mutex_lock(&ar->conf_mutex); |
4480 | ||
00f5482b | 4481 | ret = ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND); |
8cd13cad | 4482 | if (ret) { |
00f5482b MP |
4483 | if (ret == -ETIMEDOUT) |
4484 | goto resume; | |
9042e17d MP |
4485 | ret = 1; |
4486 | goto exit; | |
8cd13cad MK |
4487 | } |
4488 | ||
8cd13cad MK |
4489 | ret = ath10k_hif_suspend(ar); |
4490 | if (ret) { | |
7aa7a72a | 4491 | ath10k_warn(ar, "failed to suspend hif: %d\n", ret); |
8cd13cad MK |
4492 | goto resume; |
4493 | } | |
4494 | ||
9042e17d MP |
4495 | ret = 0; |
4496 | goto exit; | |
8cd13cad MK |
4497 | resume: |
4498 | ret = ath10k_wmi_pdev_resume_target(ar); | |
4499 | if (ret) | |
7aa7a72a | 4500 | ath10k_warn(ar, "failed to resume target: %d\n", ret); |
9042e17d MP |
4501 | |
4502 | ret = 1; | |
4503 | exit: | |
4504 | mutex_unlock(&ar->conf_mutex); | |
4505 | return ret; | |
8cd13cad MK |
4506 | } |
4507 | ||
4508 | static int ath10k_resume(struct ieee80211_hw *hw) | |
4509 | { | |
4510 | struct ath10k *ar = hw->priv; | |
4511 | int ret; | |
4512 | ||
9042e17d MP |
4513 | mutex_lock(&ar->conf_mutex); |
4514 | ||
8cd13cad MK |
4515 | ret = ath10k_hif_resume(ar); |
4516 | if (ret) { | |
7aa7a72a | 4517 | ath10k_warn(ar, "failed to resume hif: %d\n", ret); |
9042e17d MP |
4518 | ret = 1; |
4519 | goto exit; | |
8cd13cad MK |
4520 | } |
4521 | ||
4522 | ret = ath10k_wmi_pdev_resume_target(ar); | |
4523 | if (ret) { | |
7aa7a72a | 4524 | ath10k_warn(ar, "failed to resume target: %d\n", ret); |
9042e17d MP |
4525 | ret = 1; |
4526 | goto exit; | |
8cd13cad MK |
4527 | } |
4528 | ||
9042e17d MP |
4529 | ret = 0; |
4530 | exit: | |
4531 | mutex_unlock(&ar->conf_mutex); | |
4532 | return ret; | |
8cd13cad MK |
4533 | } |
4534 | #endif | |
4535 | ||
cf2c92d8 EP |
4536 | static void ath10k_reconfig_complete(struct ieee80211_hw *hw, |
4537 | enum ieee80211_reconfig_type reconfig_type) | |
affd3217 MK |
4538 | { |
4539 | struct ath10k *ar = hw->priv; | |
4540 | ||
cf2c92d8 EP |
4541 | if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART) |
4542 | return; | |
4543 | ||
affd3217 MK |
4544 | mutex_lock(&ar->conf_mutex); |
4545 | ||
4546 | /* If device failed to restart it will be in a different state, e.g. | |
4547 | * ATH10K_STATE_WEDGED */ | |
4548 | if (ar->state == ATH10K_STATE_RESTARTED) { | |
7aa7a72a | 4549 | ath10k_info(ar, "device successfully recovered\n"); |
affd3217 | 4550 | ar->state = ATH10K_STATE_ON; |
7962b0d8 | 4551 | ieee80211_wake_queues(ar->hw); |
affd3217 MK |
4552 | } |
4553 | ||
4554 | mutex_unlock(&ar->conf_mutex); | |
4555 | } | |
4556 | ||
2e1dea40 MK |
4557 | static int ath10k_get_survey(struct ieee80211_hw *hw, int idx, |
4558 | struct survey_info *survey) | |
4559 | { | |
4560 | struct ath10k *ar = hw->priv; | |
4561 | struct ieee80211_supported_band *sband; | |
4562 | struct survey_info *ar_survey = &ar->survey[idx]; | |
4563 | int ret = 0; | |
4564 | ||
4565 | mutex_lock(&ar->conf_mutex); | |
4566 | ||
4567 | sband = hw->wiphy->bands[IEEE80211_BAND_2GHZ]; | |
4568 | if (sband && idx >= sband->n_channels) { | |
4569 | idx -= sband->n_channels; | |
4570 | sband = NULL; | |
4571 | } | |
4572 | ||
4573 | if (!sband) | |
4574 | sband = hw->wiphy->bands[IEEE80211_BAND_5GHZ]; | |
4575 | ||
4576 | if (!sband || idx >= sband->n_channels) { | |
4577 | ret = -ENOENT; | |
4578 | goto exit; | |
4579 | } | |
4580 | ||
4581 | spin_lock_bh(&ar->data_lock); | |
4582 | memcpy(survey, ar_survey, sizeof(*survey)); | |
4583 | spin_unlock_bh(&ar->data_lock); | |
4584 | ||
4585 | survey->channel = &sband->channels[idx]; | |
4586 | ||
fa1d4df8 FF |
4587 | if (ar->rx_channel == survey->channel) |
4588 | survey->filled |= SURVEY_INFO_IN_USE; | |
4589 | ||
2e1dea40 MK |
4590 | exit: |
4591 | mutex_unlock(&ar->conf_mutex); | |
4592 | return ret; | |
4593 | } | |
4594 | ||
51ab1a0a JD |
4595 | /* Helper table for legacy fixed_rate/bitrate_mask */ |
4596 | static const u8 cck_ofdm_rate[] = { | |
4597 | /* CCK */ | |
4598 | 3, /* 1Mbps */ | |
4599 | 2, /* 2Mbps */ | |
4600 | 1, /* 5.5Mbps */ | |
4601 | 0, /* 11Mbps */ | |
4602 | /* OFDM */ | |
4603 | 3, /* 6Mbps */ | |
4604 | 7, /* 9Mbps */ | |
4605 | 2, /* 12Mbps */ | |
4606 | 6, /* 18Mbps */ | |
4607 | 1, /* 24Mbps */ | |
4608 | 5, /* 36Mbps */ | |
4609 | 0, /* 48Mbps */ | |
4610 | 4, /* 54Mbps */ | |
4611 | }; | |
4612 | ||
4613 | /* Check if only one bit set */ | |
4614 | static int ath10k_check_single_mask(u32 mask) | |
4615 | { | |
4616 | int bit; | |
4617 | ||
4618 | bit = ffs(mask); | |
4619 | if (!bit) | |
4620 | return 0; | |
4621 | ||
4622 | mask &= ~BIT(bit - 1); | |
4623 | if (mask) | |
4624 | return 2; | |
4625 | ||
4626 | return 1; | |
4627 | } | |
4628 | ||
4629 | static bool | |
4630 | ath10k_default_bitrate_mask(struct ath10k *ar, | |
4631 | enum ieee80211_band band, | |
4632 | const struct cfg80211_bitrate_mask *mask) | |
4633 | { | |
4634 | u32 legacy = 0x00ff; | |
4635 | u8 ht = 0xff, i; | |
4636 | u16 vht = 0x3ff; | |
b116ea19 BG |
4637 | u16 nrf = ar->num_rf_chains; |
4638 | ||
4639 | if (ar->cfg_tx_chainmask) | |
4640 | nrf = get_nss_from_chainmask(ar->cfg_tx_chainmask); | |
51ab1a0a JD |
4641 | |
4642 | switch (band) { | |
4643 | case IEEE80211_BAND_2GHZ: | |
4644 | legacy = 0x00fff; | |
4645 | vht = 0; | |
4646 | break; | |
4647 | case IEEE80211_BAND_5GHZ: | |
4648 | break; | |
4649 | default: | |
4650 | return false; | |
4651 | } | |
4652 | ||
4653 | if (mask->control[band].legacy != legacy) | |
4654 | return false; | |
4655 | ||
b116ea19 | 4656 | for (i = 0; i < nrf; i++) |
51ab1a0a JD |
4657 | if (mask->control[band].ht_mcs[i] != ht) |
4658 | return false; | |
4659 | ||
b116ea19 | 4660 | for (i = 0; i < nrf; i++) |
51ab1a0a JD |
4661 | if (mask->control[band].vht_mcs[i] != vht) |
4662 | return false; | |
4663 | ||
4664 | return true; | |
4665 | } | |
4666 | ||
4667 | static bool | |
4668 | ath10k_bitrate_mask_nss(const struct cfg80211_bitrate_mask *mask, | |
4669 | enum ieee80211_band band, | |
4670 | u8 *fixed_nss) | |
4671 | { | |
4672 | int ht_nss = 0, vht_nss = 0, i; | |
4673 | ||
4674 | /* check legacy */ | |
4675 | if (ath10k_check_single_mask(mask->control[band].legacy)) | |
4676 | return false; | |
4677 | ||
4678 | /* check HT */ | |
4679 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) { | |
4680 | if (mask->control[band].ht_mcs[i] == 0xff) | |
4681 | continue; | |
4682 | else if (mask->control[band].ht_mcs[i] == 0x00) | |
4683 | break; | |
d8bb26b9 KV |
4684 | |
4685 | return false; | |
51ab1a0a JD |
4686 | } |
4687 | ||
4688 | ht_nss = i; | |
4689 | ||
4690 | /* check VHT */ | |
4691 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
4692 | if (mask->control[band].vht_mcs[i] == 0x03ff) | |
4693 | continue; | |
4694 | else if (mask->control[band].vht_mcs[i] == 0x0000) | |
4695 | break; | |
d8bb26b9 KV |
4696 | |
4697 | return false; | |
51ab1a0a JD |
4698 | } |
4699 | ||
4700 | vht_nss = i; | |
4701 | ||
4702 | if (ht_nss > 0 && vht_nss > 0) | |
4703 | return false; | |
4704 | ||
4705 | if (ht_nss) | |
4706 | *fixed_nss = ht_nss; | |
4707 | else if (vht_nss) | |
4708 | *fixed_nss = vht_nss; | |
4709 | else | |
4710 | return false; | |
4711 | ||
4712 | return true; | |
4713 | } | |
4714 | ||
4715 | static bool | |
4716 | ath10k_bitrate_mask_correct(const struct cfg80211_bitrate_mask *mask, | |
4717 | enum ieee80211_band band, | |
4718 | enum wmi_rate_preamble *preamble) | |
4719 | { | |
4720 | int legacy = 0, ht = 0, vht = 0, i; | |
4721 | ||
4722 | *preamble = WMI_RATE_PREAMBLE_OFDM; | |
4723 | ||
4724 | /* check legacy */ | |
4725 | legacy = ath10k_check_single_mask(mask->control[band].legacy); | |
4726 | if (legacy > 1) | |
4727 | return false; | |
4728 | ||
4729 | /* check HT */ | |
4730 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
4731 | ht += ath10k_check_single_mask(mask->control[band].ht_mcs[i]); | |
4732 | if (ht > 1) | |
4733 | return false; | |
4734 | ||
4735 | /* check VHT */ | |
4736 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) | |
4737 | vht += ath10k_check_single_mask(mask->control[band].vht_mcs[i]); | |
4738 | if (vht > 1) | |
4739 | return false; | |
4740 | ||
4741 | /* Currently we support only one fixed_rate */ | |
4742 | if ((legacy + ht + vht) != 1) | |
4743 | return false; | |
4744 | ||
4745 | if (ht) | |
4746 | *preamble = WMI_RATE_PREAMBLE_HT; | |
4747 | else if (vht) | |
4748 | *preamble = WMI_RATE_PREAMBLE_VHT; | |
4749 | ||
4750 | return true; | |
4751 | } | |
4752 | ||
4753 | static bool | |
7aa7a72a MK |
4754 | ath10k_bitrate_mask_rate(struct ath10k *ar, |
4755 | const struct cfg80211_bitrate_mask *mask, | |
51ab1a0a JD |
4756 | enum ieee80211_band band, |
4757 | u8 *fixed_rate, | |
4758 | u8 *fixed_nss) | |
4759 | { | |
4760 | u8 rate = 0, pream = 0, nss = 0, i; | |
4761 | enum wmi_rate_preamble preamble; | |
4762 | ||
4763 | /* Check if single rate correct */ | |
4764 | if (!ath10k_bitrate_mask_correct(mask, band, &preamble)) | |
4765 | return false; | |
4766 | ||
4767 | pream = preamble; | |
4768 | ||
4769 | switch (preamble) { | |
4770 | case WMI_RATE_PREAMBLE_CCK: | |
4771 | case WMI_RATE_PREAMBLE_OFDM: | |
4772 | i = ffs(mask->control[band].legacy) - 1; | |
4773 | ||
4774 | if (band == IEEE80211_BAND_2GHZ && i < 4) | |
4775 | pream = WMI_RATE_PREAMBLE_CCK; | |
4776 | ||
4777 | if (band == IEEE80211_BAND_5GHZ) | |
4778 | i += 4; | |
4779 | ||
4780 | if (i >= ARRAY_SIZE(cck_ofdm_rate)) | |
4781 | return false; | |
4782 | ||
4783 | rate = cck_ofdm_rate[i]; | |
4784 | break; | |
4785 | case WMI_RATE_PREAMBLE_HT: | |
4786 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
4787 | if (mask->control[band].ht_mcs[i]) | |
4788 | break; | |
4789 | ||
4790 | if (i == IEEE80211_HT_MCS_MASK_LEN) | |
4791 | return false; | |
4792 | ||
4793 | rate = ffs(mask->control[band].ht_mcs[i]) - 1; | |
4794 | nss = i; | |
4795 | break; | |
4796 | case WMI_RATE_PREAMBLE_VHT: | |
4797 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) | |
4798 | if (mask->control[band].vht_mcs[i]) | |
4799 | break; | |
4800 | ||
4801 | if (i == NL80211_VHT_NSS_MAX) | |
4802 | return false; | |
4803 | ||
4804 | rate = ffs(mask->control[band].vht_mcs[i]) - 1; | |
4805 | nss = i; | |
4806 | break; | |
4807 | } | |
4808 | ||
4809 | *fixed_nss = nss + 1; | |
4810 | nss <<= 4; | |
4811 | pream <<= 6; | |
4812 | ||
7aa7a72a | 4813 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac fixed rate pream 0x%02x nss 0x%02x rate 0x%02x\n", |
51ab1a0a JD |
4814 | pream, nss, rate); |
4815 | ||
4816 | *fixed_rate = pream | nss | rate; | |
4817 | ||
4818 | return true; | |
4819 | } | |
4820 | ||
7aa7a72a MK |
4821 | static bool ath10k_get_fixed_rate_nss(struct ath10k *ar, |
4822 | const struct cfg80211_bitrate_mask *mask, | |
51ab1a0a JD |
4823 | enum ieee80211_band band, |
4824 | u8 *fixed_rate, | |
4825 | u8 *fixed_nss) | |
4826 | { | |
4827 | /* First check full NSS mask, if we can simply limit NSS */ | |
4828 | if (ath10k_bitrate_mask_nss(mask, band, fixed_nss)) | |
4829 | return true; | |
4830 | ||
4831 | /* Next Check single rate is set */ | |
7aa7a72a | 4832 | return ath10k_bitrate_mask_rate(ar, mask, band, fixed_rate, fixed_nss); |
51ab1a0a JD |
4833 | } |
4834 | ||
4835 | static int ath10k_set_fixed_rate_param(struct ath10k_vif *arvif, | |
4836 | u8 fixed_rate, | |
9f81f725 JD |
4837 | u8 fixed_nss, |
4838 | u8 force_sgi) | |
51ab1a0a JD |
4839 | { |
4840 | struct ath10k *ar = arvif->ar; | |
4841 | u32 vdev_param; | |
4842 | int ret = 0; | |
4843 | ||
4844 | mutex_lock(&ar->conf_mutex); | |
4845 | ||
4846 | if (arvif->fixed_rate == fixed_rate && | |
9f81f725 JD |
4847 | arvif->fixed_nss == fixed_nss && |
4848 | arvif->force_sgi == force_sgi) | |
51ab1a0a JD |
4849 | goto exit; |
4850 | ||
4851 | if (fixed_rate == WMI_FIXED_RATE_NONE) | |
7aa7a72a | 4852 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac disable fixed bitrate mask\n"); |
51ab1a0a | 4853 | |
9f81f725 | 4854 | if (force_sgi) |
7aa7a72a | 4855 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac force sgi\n"); |
9f81f725 | 4856 | |
51ab1a0a JD |
4857 | vdev_param = ar->wmi.vdev_param->fixed_rate; |
4858 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, | |
4859 | vdev_param, fixed_rate); | |
4860 | if (ret) { | |
7aa7a72a | 4861 | ath10k_warn(ar, "failed to set fixed rate param 0x%02x: %d\n", |
51ab1a0a JD |
4862 | fixed_rate, ret); |
4863 | ret = -EINVAL; | |
4864 | goto exit; | |
4865 | } | |
4866 | ||
4867 | arvif->fixed_rate = fixed_rate; | |
4868 | ||
4869 | vdev_param = ar->wmi.vdev_param->nss; | |
4870 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, | |
4871 | vdev_param, fixed_nss); | |
4872 | ||
4873 | if (ret) { | |
7aa7a72a | 4874 | ath10k_warn(ar, "failed to set fixed nss param %d: %d\n", |
51ab1a0a JD |
4875 | fixed_nss, ret); |
4876 | ret = -EINVAL; | |
4877 | goto exit; | |
4878 | } | |
4879 | ||
4880 | arvif->fixed_nss = fixed_nss; | |
4881 | ||
9f81f725 JD |
4882 | vdev_param = ar->wmi.vdev_param->sgi; |
4883 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
4884 | force_sgi); | |
4885 | ||
4886 | if (ret) { | |
7aa7a72a | 4887 | ath10k_warn(ar, "failed to set sgi param %d: %d\n", |
9f81f725 JD |
4888 | force_sgi, ret); |
4889 | ret = -EINVAL; | |
4890 | goto exit; | |
4891 | } | |
4892 | ||
4893 | arvif->force_sgi = force_sgi; | |
4894 | ||
51ab1a0a JD |
4895 | exit: |
4896 | mutex_unlock(&ar->conf_mutex); | |
4897 | return ret; | |
4898 | } | |
4899 | ||
4900 | static int ath10k_set_bitrate_mask(struct ieee80211_hw *hw, | |
4901 | struct ieee80211_vif *vif, | |
4902 | const struct cfg80211_bitrate_mask *mask) | |
4903 | { | |
4904 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
4905 | struct ath10k *ar = arvif->ar; | |
4906 | enum ieee80211_band band = ar->hw->conf.chandef.chan->band; | |
4907 | u8 fixed_rate = WMI_FIXED_RATE_NONE; | |
4908 | u8 fixed_nss = ar->num_rf_chains; | |
9f81f725 JD |
4909 | u8 force_sgi; |
4910 | ||
b116ea19 BG |
4911 | if (ar->cfg_tx_chainmask) |
4912 | fixed_nss = get_nss_from_chainmask(ar->cfg_tx_chainmask); | |
4913 | ||
9f81f725 JD |
4914 | force_sgi = mask->control[band].gi; |
4915 | if (force_sgi == NL80211_TXRATE_FORCE_LGI) | |
4916 | return -EINVAL; | |
51ab1a0a JD |
4917 | |
4918 | if (!ath10k_default_bitrate_mask(ar, band, mask)) { | |
7aa7a72a | 4919 | if (!ath10k_get_fixed_rate_nss(ar, mask, band, |
51ab1a0a JD |
4920 | &fixed_rate, |
4921 | &fixed_nss)) | |
4922 | return -EINVAL; | |
4923 | } | |
4924 | ||
9f81f725 | 4925 | if (fixed_rate == WMI_FIXED_RATE_NONE && force_sgi) { |
7aa7a72a | 4926 | ath10k_warn(ar, "failed to force SGI usage for default rate settings\n"); |
9f81f725 JD |
4927 | return -EINVAL; |
4928 | } | |
4929 | ||
4930 | return ath10k_set_fixed_rate_param(arvif, fixed_rate, | |
4931 | fixed_nss, force_sgi); | |
51ab1a0a JD |
4932 | } |
4933 | ||
9797febc MK |
4934 | static void ath10k_sta_rc_update(struct ieee80211_hw *hw, |
4935 | struct ieee80211_vif *vif, | |
4936 | struct ieee80211_sta *sta, | |
4937 | u32 changed) | |
4938 | { | |
4939 | struct ath10k *ar = hw->priv; | |
4940 | struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; | |
4941 | u32 bw, smps; | |
4942 | ||
4943 | spin_lock_bh(&ar->data_lock); | |
4944 | ||
7aa7a72a | 4945 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
9797febc MK |
4946 | "mac sta rc update for %pM changed %08x bw %d nss %d smps %d\n", |
4947 | sta->addr, changed, sta->bandwidth, sta->rx_nss, | |
4948 | sta->smps_mode); | |
4949 | ||
4950 | if (changed & IEEE80211_RC_BW_CHANGED) { | |
4951 | bw = WMI_PEER_CHWIDTH_20MHZ; | |
4952 | ||
4953 | switch (sta->bandwidth) { | |
4954 | case IEEE80211_STA_RX_BW_20: | |
4955 | bw = WMI_PEER_CHWIDTH_20MHZ; | |
4956 | break; | |
4957 | case IEEE80211_STA_RX_BW_40: | |
4958 | bw = WMI_PEER_CHWIDTH_40MHZ; | |
4959 | break; | |
4960 | case IEEE80211_STA_RX_BW_80: | |
4961 | bw = WMI_PEER_CHWIDTH_80MHZ; | |
4962 | break; | |
4963 | case IEEE80211_STA_RX_BW_160: | |
7aa7a72a | 4964 | ath10k_warn(ar, "Invalid bandwith %d in rc update for %pM\n", |
be6546fc | 4965 | sta->bandwidth, sta->addr); |
9797febc MK |
4966 | bw = WMI_PEER_CHWIDTH_20MHZ; |
4967 | break; | |
4968 | } | |
4969 | ||
4970 | arsta->bw = bw; | |
4971 | } | |
4972 | ||
4973 | if (changed & IEEE80211_RC_NSS_CHANGED) | |
4974 | arsta->nss = sta->rx_nss; | |
4975 | ||
4976 | if (changed & IEEE80211_RC_SMPS_CHANGED) { | |
4977 | smps = WMI_PEER_SMPS_PS_NONE; | |
4978 | ||
4979 | switch (sta->smps_mode) { | |
4980 | case IEEE80211_SMPS_AUTOMATIC: | |
4981 | case IEEE80211_SMPS_OFF: | |
4982 | smps = WMI_PEER_SMPS_PS_NONE; | |
4983 | break; | |
4984 | case IEEE80211_SMPS_STATIC: | |
4985 | smps = WMI_PEER_SMPS_STATIC; | |
4986 | break; | |
4987 | case IEEE80211_SMPS_DYNAMIC: | |
4988 | smps = WMI_PEER_SMPS_DYNAMIC; | |
4989 | break; | |
4990 | case IEEE80211_SMPS_NUM_MODES: | |
7aa7a72a | 4991 | ath10k_warn(ar, "Invalid smps %d in sta rc update for %pM\n", |
be6546fc | 4992 | sta->smps_mode, sta->addr); |
9797febc MK |
4993 | smps = WMI_PEER_SMPS_PS_NONE; |
4994 | break; | |
4995 | } | |
4996 | ||
4997 | arsta->smps = smps; | |
4998 | } | |
4999 | ||
9797febc MK |
5000 | arsta->changed |= changed; |
5001 | ||
5002 | spin_unlock_bh(&ar->data_lock); | |
5003 | ||
5004 | ieee80211_queue_work(hw, &arsta->update_wk); | |
5005 | } | |
5006 | ||
26ebbccf CYY |
5007 | static u64 ath10k_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
5008 | { | |
5009 | /* | |
5010 | * FIXME: Return 0 for time being. Need to figure out whether FW | |
5011 | * has the API to fetch 64-bit local TSF | |
5012 | */ | |
5013 | ||
5014 | return 0; | |
5015 | } | |
5016 | ||
aa5b4fbc MK |
5017 | static int ath10k_ampdu_action(struct ieee80211_hw *hw, |
5018 | struct ieee80211_vif *vif, | |
5019 | enum ieee80211_ampdu_mlme_action action, | |
5020 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, | |
5021 | u8 buf_size) | |
5022 | { | |
7aa7a72a | 5023 | struct ath10k *ar = hw->priv; |
aa5b4fbc MK |
5024 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
5025 | ||
7aa7a72a | 5026 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ampdu vdev_id %i sta %pM tid %hu action %d\n", |
aa5b4fbc MK |
5027 | arvif->vdev_id, sta->addr, tid, action); |
5028 | ||
5029 | switch (action) { | |
5030 | case IEEE80211_AMPDU_RX_START: | |
5031 | case IEEE80211_AMPDU_RX_STOP: | |
5032 | /* HTT AddBa/DelBa events trigger mac80211 Rx BA session | |
5033 | * creation/removal. Do we need to verify this? | |
5034 | */ | |
5035 | return 0; | |
5036 | case IEEE80211_AMPDU_TX_START: | |
5037 | case IEEE80211_AMPDU_TX_STOP_CONT: | |
5038 | case IEEE80211_AMPDU_TX_STOP_FLUSH: | |
5039 | case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: | |
5040 | case IEEE80211_AMPDU_TX_OPERATIONAL: | |
5041 | /* Firmware offloads Tx aggregation entirely so deny mac80211 | |
5042 | * Tx aggregation requests. | |
5043 | */ | |
5044 | return -EOPNOTSUPP; | |
5045 | } | |
5046 | ||
5047 | return -EINVAL; | |
5048 | } | |
5049 | ||
5e3dd157 KV |
5050 | static const struct ieee80211_ops ath10k_ops = { |
5051 | .tx = ath10k_tx, | |
5052 | .start = ath10k_start, | |
5053 | .stop = ath10k_stop, | |
5054 | .config = ath10k_config, | |
5055 | .add_interface = ath10k_add_interface, | |
5056 | .remove_interface = ath10k_remove_interface, | |
5057 | .configure_filter = ath10k_configure_filter, | |
5058 | .bss_info_changed = ath10k_bss_info_changed, | |
5059 | .hw_scan = ath10k_hw_scan, | |
5060 | .cancel_hw_scan = ath10k_cancel_hw_scan, | |
5061 | .set_key = ath10k_set_key, | |
627613f8 | 5062 | .set_default_unicast_key = ath10k_set_default_unicast_key, |
5e3dd157 KV |
5063 | .sta_state = ath10k_sta_state, |
5064 | .conf_tx = ath10k_conf_tx, | |
5065 | .remain_on_channel = ath10k_remain_on_channel, | |
5066 | .cancel_remain_on_channel = ath10k_cancel_remain_on_channel, | |
5067 | .set_rts_threshold = ath10k_set_rts_threshold, | |
5e3dd157 KV |
5068 | .flush = ath10k_flush, |
5069 | .tx_last_beacon = ath10k_tx_last_beacon, | |
46acf7bb BG |
5070 | .set_antenna = ath10k_set_antenna, |
5071 | .get_antenna = ath10k_get_antenna, | |
cf2c92d8 | 5072 | .reconfig_complete = ath10k_reconfig_complete, |
2e1dea40 | 5073 | .get_survey = ath10k_get_survey, |
51ab1a0a | 5074 | .set_bitrate_mask = ath10k_set_bitrate_mask, |
9797febc | 5075 | .sta_rc_update = ath10k_sta_rc_update, |
26ebbccf | 5076 | .get_tsf = ath10k_get_tsf, |
aa5b4fbc | 5077 | .ampdu_action = ath10k_ampdu_action, |
6cddcc7a BG |
5078 | .get_et_sset_count = ath10k_debug_get_et_sset_count, |
5079 | .get_et_stats = ath10k_debug_get_et_stats, | |
5080 | .get_et_strings = ath10k_debug_get_et_strings, | |
43d2a30f KV |
5081 | |
5082 | CFG80211_TESTMODE_CMD(ath10k_tm_cmd) | |
5083 | ||
8cd13cad MK |
5084 | #ifdef CONFIG_PM |
5085 | .suspend = ath10k_suspend, | |
5086 | .resume = ath10k_resume, | |
5087 | #endif | |
f5045988 RM |
5088 | #ifdef CONFIG_MAC80211_DEBUGFS |
5089 | .sta_add_debugfs = ath10k_sta_add_debugfs, | |
5090 | #endif | |
5e3dd157 KV |
5091 | }; |
5092 | ||
5093 | #define RATETAB_ENT(_rate, _rateid, _flags) { \ | |
5094 | .bitrate = (_rate), \ | |
5095 | .flags = (_flags), \ | |
5096 | .hw_value = (_rateid), \ | |
5097 | } | |
5098 | ||
5099 | #define CHAN2G(_channel, _freq, _flags) { \ | |
5100 | .band = IEEE80211_BAND_2GHZ, \ | |
5101 | .hw_value = (_channel), \ | |
5102 | .center_freq = (_freq), \ | |
5103 | .flags = (_flags), \ | |
5104 | .max_antenna_gain = 0, \ | |
5105 | .max_power = 30, \ | |
5106 | } | |
5107 | ||
5108 | #define CHAN5G(_channel, _freq, _flags) { \ | |
5109 | .band = IEEE80211_BAND_5GHZ, \ | |
5110 | .hw_value = (_channel), \ | |
5111 | .center_freq = (_freq), \ | |
5112 | .flags = (_flags), \ | |
5113 | .max_antenna_gain = 0, \ | |
5114 | .max_power = 30, \ | |
5115 | } | |
5116 | ||
5117 | static const struct ieee80211_channel ath10k_2ghz_channels[] = { | |
5118 | CHAN2G(1, 2412, 0), | |
5119 | CHAN2G(2, 2417, 0), | |
5120 | CHAN2G(3, 2422, 0), | |
5121 | CHAN2G(4, 2427, 0), | |
5122 | CHAN2G(5, 2432, 0), | |
5123 | CHAN2G(6, 2437, 0), | |
5124 | CHAN2G(7, 2442, 0), | |
5125 | CHAN2G(8, 2447, 0), | |
5126 | CHAN2G(9, 2452, 0), | |
5127 | CHAN2G(10, 2457, 0), | |
5128 | CHAN2G(11, 2462, 0), | |
5129 | CHAN2G(12, 2467, 0), | |
5130 | CHAN2G(13, 2472, 0), | |
5131 | CHAN2G(14, 2484, 0), | |
5132 | }; | |
5133 | ||
5134 | static const struct ieee80211_channel ath10k_5ghz_channels[] = { | |
429ff56a MK |
5135 | CHAN5G(36, 5180, 0), |
5136 | CHAN5G(40, 5200, 0), | |
5137 | CHAN5G(44, 5220, 0), | |
5138 | CHAN5G(48, 5240, 0), | |
5139 | CHAN5G(52, 5260, 0), | |
5140 | CHAN5G(56, 5280, 0), | |
5141 | CHAN5G(60, 5300, 0), | |
5142 | CHAN5G(64, 5320, 0), | |
5143 | CHAN5G(100, 5500, 0), | |
5144 | CHAN5G(104, 5520, 0), | |
5145 | CHAN5G(108, 5540, 0), | |
5146 | CHAN5G(112, 5560, 0), | |
5147 | CHAN5G(116, 5580, 0), | |
5148 | CHAN5G(120, 5600, 0), | |
5149 | CHAN5G(124, 5620, 0), | |
5150 | CHAN5G(128, 5640, 0), | |
5151 | CHAN5G(132, 5660, 0), | |
5152 | CHAN5G(136, 5680, 0), | |
5153 | CHAN5G(140, 5700, 0), | |
5154 | CHAN5G(149, 5745, 0), | |
5155 | CHAN5G(153, 5765, 0), | |
5156 | CHAN5G(157, 5785, 0), | |
5157 | CHAN5G(161, 5805, 0), | |
5158 | CHAN5G(165, 5825, 0), | |
5e3dd157 KV |
5159 | }; |
5160 | ||
91b12089 MK |
5161 | /* Note: Be careful if you re-order these. There is code which depends on this |
5162 | * ordering. | |
5163 | */ | |
5e3dd157 KV |
5164 | static struct ieee80211_rate ath10k_rates[] = { |
5165 | /* CCK */ | |
5166 | RATETAB_ENT(10, 0x82, 0), | |
5167 | RATETAB_ENT(20, 0x84, 0), | |
5168 | RATETAB_ENT(55, 0x8b, 0), | |
5169 | RATETAB_ENT(110, 0x96, 0), | |
5170 | /* OFDM */ | |
5171 | RATETAB_ENT(60, 0x0c, 0), | |
5172 | RATETAB_ENT(90, 0x12, 0), | |
5173 | RATETAB_ENT(120, 0x18, 0), | |
5174 | RATETAB_ENT(180, 0x24, 0), | |
5175 | RATETAB_ENT(240, 0x30, 0), | |
5176 | RATETAB_ENT(360, 0x48, 0), | |
5177 | RATETAB_ENT(480, 0x60, 0), | |
5178 | RATETAB_ENT(540, 0x6c, 0), | |
5179 | }; | |
5180 | ||
5181 | #define ath10k_a_rates (ath10k_rates + 4) | |
5182 | #define ath10k_a_rates_size (ARRAY_SIZE(ath10k_rates) - 4) | |
5183 | #define ath10k_g_rates (ath10k_rates + 0) | |
5184 | #define ath10k_g_rates_size (ARRAY_SIZE(ath10k_rates)) | |
5185 | ||
e7b54194 | 5186 | struct ath10k *ath10k_mac_create(size_t priv_size) |
5e3dd157 KV |
5187 | { |
5188 | struct ieee80211_hw *hw; | |
5189 | struct ath10k *ar; | |
5190 | ||
e7b54194 | 5191 | hw = ieee80211_alloc_hw(sizeof(struct ath10k) + priv_size, &ath10k_ops); |
5e3dd157 KV |
5192 | if (!hw) |
5193 | return NULL; | |
5194 | ||
5195 | ar = hw->priv; | |
5196 | ar->hw = hw; | |
5197 | ||
5198 | return ar; | |
5199 | } | |
5200 | ||
5201 | void ath10k_mac_destroy(struct ath10k *ar) | |
5202 | { | |
5203 | ieee80211_free_hw(ar->hw); | |
5204 | } | |
5205 | ||
5206 | static const struct ieee80211_iface_limit ath10k_if_limits[] = { | |
5207 | { | |
5208 | .max = 8, | |
5209 | .types = BIT(NL80211_IFTYPE_STATION) | |
5210 | | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
d531cb85 MK |
5211 | }, |
5212 | { | |
5213 | .max = 3, | |
5214 | .types = BIT(NL80211_IFTYPE_P2P_GO) | |
5215 | }, | |
5216 | { | |
75d2bd48 MK |
5217 | .max = 1, |
5218 | .types = BIT(NL80211_IFTYPE_P2P_DEVICE) | |
5219 | }, | |
5220 | { | |
d531cb85 MK |
5221 | .max = 7, |
5222 | .types = BIT(NL80211_IFTYPE_AP) | |
5223 | }, | |
5e3dd157 KV |
5224 | }; |
5225 | ||
f259509b | 5226 | static const struct ieee80211_iface_limit ath10k_10x_if_limits[] = { |
e8a50f8b MP |
5227 | { |
5228 | .max = 8, | |
5229 | .types = BIT(NL80211_IFTYPE_AP) | |
5230 | }, | |
5231 | }; | |
e8a50f8b MP |
5232 | |
5233 | static const struct ieee80211_iface_combination ath10k_if_comb[] = { | |
5234 | { | |
5235 | .limits = ath10k_if_limits, | |
5236 | .n_limits = ARRAY_SIZE(ath10k_if_limits), | |
5237 | .max_interfaces = 8, | |
5238 | .num_different_channels = 1, | |
5239 | .beacon_int_infra_match = true, | |
5240 | }, | |
f259509b BM |
5241 | }; |
5242 | ||
5243 | static const struct ieee80211_iface_combination ath10k_10x_if_comb[] = { | |
e8a50f8b | 5244 | { |
f259509b BM |
5245 | .limits = ath10k_10x_if_limits, |
5246 | .n_limits = ARRAY_SIZE(ath10k_10x_if_limits), | |
e8a50f8b MP |
5247 | .max_interfaces = 8, |
5248 | .num_different_channels = 1, | |
5249 | .beacon_int_infra_match = true, | |
f259509b | 5250 | #ifdef CONFIG_ATH10K_DFS_CERTIFIED |
e8a50f8b MP |
5251 | .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | |
5252 | BIT(NL80211_CHAN_WIDTH_20) | | |
5253 | BIT(NL80211_CHAN_WIDTH_40) | | |
5254 | BIT(NL80211_CHAN_WIDTH_80), | |
e8a50f8b | 5255 | #endif |
f259509b | 5256 | }, |
5e3dd157 KV |
5257 | }; |
5258 | ||
5259 | static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar) | |
5260 | { | |
5261 | struct ieee80211_sta_vht_cap vht_cap = {0}; | |
5262 | u16 mcs_map; | |
8865bee4 | 5263 | int i; |
5e3dd157 KV |
5264 | |
5265 | vht_cap.vht_supported = 1; | |
5266 | vht_cap.cap = ar->vht_cap_info; | |
5267 | ||
8865bee4 MK |
5268 | mcs_map = 0; |
5269 | for (i = 0; i < 8; i++) { | |
5270 | if (i < ar->num_rf_chains) | |
5271 | mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i*2); | |
5272 | else | |
5273 | mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i*2); | |
5274 | } | |
5e3dd157 KV |
5275 | |
5276 | vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map); | |
5277 | vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map); | |
5278 | ||
5279 | return vht_cap; | |
5280 | } | |
5281 | ||
5282 | static struct ieee80211_sta_ht_cap ath10k_get_ht_cap(struct ath10k *ar) | |
5283 | { | |
5284 | int i; | |
5285 | struct ieee80211_sta_ht_cap ht_cap = {0}; | |
5286 | ||
5287 | if (!(ar->ht_cap_info & WMI_HT_CAP_ENABLED)) | |
5288 | return ht_cap; | |
5289 | ||
5290 | ht_cap.ht_supported = 1; | |
5291 | ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; | |
5292 | ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8; | |
5293 | ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
5294 | ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40; | |
5295 | ht_cap.cap |= WLAN_HT_CAP_SM_PS_STATIC << IEEE80211_HT_CAP_SM_PS_SHIFT; | |
5296 | ||
5297 | if (ar->ht_cap_info & WMI_HT_CAP_HT20_SGI) | |
5298 | ht_cap.cap |= IEEE80211_HT_CAP_SGI_20; | |
5299 | ||
5300 | if (ar->ht_cap_info & WMI_HT_CAP_HT40_SGI) | |
5301 | ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; | |
5302 | ||
5303 | if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) { | |
5304 | u32 smps; | |
5305 | ||
5306 | smps = WLAN_HT_CAP_SM_PS_DYNAMIC; | |
5307 | smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT; | |
5308 | ||
5309 | ht_cap.cap |= smps; | |
5310 | } | |
5311 | ||
5312 | if (ar->ht_cap_info & WMI_HT_CAP_TX_STBC) | |
5313 | ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC; | |
5314 | ||
5315 | if (ar->ht_cap_info & WMI_HT_CAP_RX_STBC) { | |
5316 | u32 stbc; | |
5317 | ||
5318 | stbc = ar->ht_cap_info; | |
5319 | stbc &= WMI_HT_CAP_RX_STBC; | |
5320 | stbc >>= WMI_HT_CAP_RX_STBC_MASK_SHIFT; | |
5321 | stbc <<= IEEE80211_HT_CAP_RX_STBC_SHIFT; | |
5322 | stbc &= IEEE80211_HT_CAP_RX_STBC; | |
5323 | ||
5324 | ht_cap.cap |= stbc; | |
5325 | } | |
5326 | ||
5327 | if (ar->ht_cap_info & WMI_HT_CAP_LDPC) | |
5328 | ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING; | |
5329 | ||
5330 | if (ar->ht_cap_info & WMI_HT_CAP_L_SIG_TXOP_PROT) | |
5331 | ht_cap.cap |= IEEE80211_HT_CAP_LSIG_TXOP_PROT; | |
5332 | ||
5333 | /* max AMSDU is implicitly taken from vht_cap_info */ | |
5334 | if (ar->vht_cap_info & WMI_VHT_CAP_MAX_MPDU_LEN_MASK) | |
5335 | ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU; | |
5336 | ||
8865bee4 | 5337 | for (i = 0; i < ar->num_rf_chains; i++) |
5e3dd157 KV |
5338 | ht_cap.mcs.rx_mask[i] = 0xFF; |
5339 | ||
5340 | ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED; | |
5341 | ||
5342 | return ht_cap; | |
5343 | } | |
5344 | ||
5e3dd157 KV |
5345 | static void ath10k_get_arvif_iter(void *data, u8 *mac, |
5346 | struct ieee80211_vif *vif) | |
5347 | { | |
5348 | struct ath10k_vif_iter *arvif_iter = data; | |
5349 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
5350 | ||
5351 | if (arvif->vdev_id == arvif_iter->vdev_id) | |
5352 | arvif_iter->arvif = arvif; | |
5353 | } | |
5354 | ||
5355 | struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id) | |
5356 | { | |
5357 | struct ath10k_vif_iter arvif_iter; | |
5358 | u32 flags; | |
5359 | ||
5360 | memset(&arvif_iter, 0, sizeof(struct ath10k_vif_iter)); | |
5361 | arvif_iter.vdev_id = vdev_id; | |
5362 | ||
5363 | flags = IEEE80211_IFACE_ITER_RESUME_ALL; | |
5364 | ieee80211_iterate_active_interfaces_atomic(ar->hw, | |
5365 | flags, | |
5366 | ath10k_get_arvif_iter, | |
5367 | &arvif_iter); | |
5368 | if (!arvif_iter.arvif) { | |
7aa7a72a | 5369 | ath10k_warn(ar, "No VIF found for vdev %d\n", vdev_id); |
5e3dd157 KV |
5370 | return NULL; |
5371 | } | |
5372 | ||
5373 | return arvif_iter.arvif; | |
5374 | } | |
5375 | ||
5376 | int ath10k_mac_register(struct ath10k *ar) | |
5377 | { | |
5378 | struct ieee80211_supported_band *band; | |
5379 | struct ieee80211_sta_vht_cap vht_cap; | |
5380 | struct ieee80211_sta_ht_cap ht_cap; | |
5381 | void *channels; | |
5382 | int ret; | |
5383 | ||
5384 | SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr); | |
5385 | ||
5386 | SET_IEEE80211_DEV(ar->hw, ar->dev); | |
5387 | ||
5388 | ht_cap = ath10k_get_ht_cap(ar); | |
5389 | vht_cap = ath10k_create_vht_cap(ar); | |
5390 | ||
5391 | if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) { | |
5392 | channels = kmemdup(ath10k_2ghz_channels, | |
5393 | sizeof(ath10k_2ghz_channels), | |
5394 | GFP_KERNEL); | |
d6015b27 MK |
5395 | if (!channels) { |
5396 | ret = -ENOMEM; | |
5397 | goto err_free; | |
5398 | } | |
5e3dd157 KV |
5399 | |
5400 | band = &ar->mac.sbands[IEEE80211_BAND_2GHZ]; | |
5401 | band->n_channels = ARRAY_SIZE(ath10k_2ghz_channels); | |
5402 | band->channels = channels; | |
5403 | band->n_bitrates = ath10k_g_rates_size; | |
5404 | band->bitrates = ath10k_g_rates; | |
5405 | band->ht_cap = ht_cap; | |
5406 | ||
d68bb12a YL |
5407 | /* Enable the VHT support at 2.4 GHz */ |
5408 | band->vht_cap = vht_cap; | |
5e3dd157 KV |
5409 | |
5410 | ar->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band; | |
5411 | } | |
5412 | ||
5413 | if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) { | |
5414 | channels = kmemdup(ath10k_5ghz_channels, | |
5415 | sizeof(ath10k_5ghz_channels), | |
5416 | GFP_KERNEL); | |
5417 | if (!channels) { | |
d6015b27 MK |
5418 | ret = -ENOMEM; |
5419 | goto err_free; | |
5e3dd157 KV |
5420 | } |
5421 | ||
5422 | band = &ar->mac.sbands[IEEE80211_BAND_5GHZ]; | |
5423 | band->n_channels = ARRAY_SIZE(ath10k_5ghz_channels); | |
5424 | band->channels = channels; | |
5425 | band->n_bitrates = ath10k_a_rates_size; | |
5426 | band->bitrates = ath10k_a_rates; | |
5427 | band->ht_cap = ht_cap; | |
5428 | band->vht_cap = vht_cap; | |
5429 | ar->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = band; | |
5430 | } | |
5431 | ||
5432 | ar->hw->wiphy->interface_modes = | |
5433 | BIT(NL80211_IFTYPE_STATION) | | |
d354181f BM |
5434 | BIT(NL80211_IFTYPE_AP); |
5435 | ||
46acf7bb BG |
5436 | ar->hw->wiphy->available_antennas_rx = ar->supp_rx_chainmask; |
5437 | ar->hw->wiphy->available_antennas_tx = ar->supp_tx_chainmask; | |
5438 | ||
d354181f BM |
5439 | if (!test_bit(ATH10K_FW_FEATURE_NO_P2P, ar->fw_features)) |
5440 | ar->hw->wiphy->interface_modes |= | |
75d2bd48 | 5441 | BIT(NL80211_IFTYPE_P2P_DEVICE) | |
d354181f BM |
5442 | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
5443 | BIT(NL80211_IFTYPE_P2P_GO); | |
5e3dd157 KV |
5444 | |
5445 | ar->hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
5446 | IEEE80211_HW_SUPPORTS_PS | | |
5447 | IEEE80211_HW_SUPPORTS_DYNAMIC_PS | | |
5e3dd157 KV |
5448 | IEEE80211_HW_MFP_CAPABLE | |
5449 | IEEE80211_HW_REPORTS_TX_ACK_STATUS | | |
5450 | IEEE80211_HW_HAS_RATE_CONTROL | | |
2f0f1121 JD |
5451 | IEEE80211_HW_AP_LINK_PS | |
5452 | IEEE80211_HW_SPECTRUM_MGMT; | |
5e3dd157 | 5453 | |
0d8614b4 EP |
5454 | ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS; |
5455 | ||
5e3dd157 | 5456 | if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) |
0d8614b4 | 5457 | ar->hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS; |
5e3dd157 KV |
5458 | |
5459 | if (ar->ht_cap_info & WMI_HT_CAP_ENABLED) { | |
5460 | ar->hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION; | |
5461 | ar->hw->flags |= IEEE80211_HW_TX_AMPDU_SETUP_IN_HW; | |
5462 | } | |
5463 | ||
5464 | ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID; | |
5465 | ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN; | |
5466 | ||
5467 | ar->hw->vif_data_size = sizeof(struct ath10k_vif); | |
9797febc | 5468 | ar->hw->sta_data_size = sizeof(struct ath10k_sta); |
5e3dd157 | 5469 | |
5e3dd157 KV |
5470 | ar->hw->max_listen_interval = ATH10K_MAX_HW_LISTEN_INTERVAL; |
5471 | ||
fbb8f1b7 MK |
5472 | if (test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) { |
5473 | ar->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; | |
5474 | ||
5475 | /* Firmware delivers WPS/P2P Probe Requests frames to driver so | |
5476 | * that userspace (e.g. wpa_supplicant/hostapd) can generate | |
5477 | * correct Probe Responses. This is more of a hack advert.. | |
5478 | */ | |
5479 | ar->hw->wiphy->probe_resp_offload |= | |
5480 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | | |
5481 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | | |
5482 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; | |
5483 | } | |
5484 | ||
5e3dd157 | 5485 | ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; |
c2df44b3 | 5486 | ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; |
5e3dd157 KV |
5487 | ar->hw->wiphy->max_remain_on_channel_duration = 5000; |
5488 | ||
5489 | ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; | |
78157a1c RM |
5490 | ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE; |
5491 | ||
5e3dd157 KV |
5492 | /* |
5493 | * on LL hardware queues are managed entirely by the FW | |
5494 | * so we only advertise to mac we can do the queues thing | |
5495 | */ | |
5496 | ar->hw->queues = 4; | |
5497 | ||
5cc7caf4 KV |
5498 | switch (ar->wmi.op_version) { |
5499 | case ATH10K_FW_WMI_OP_VERSION_MAIN: | |
5500 | case ATH10K_FW_WMI_OP_VERSION_TLV: | |
f259509b BM |
5501 | ar->hw->wiphy->iface_combinations = ath10k_if_comb; |
5502 | ar->hw->wiphy->n_iface_combinations = | |
5503 | ARRAY_SIZE(ath10k_if_comb); | |
cf850d1d | 5504 | ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC); |
5cc7caf4 KV |
5505 | break; |
5506 | case ATH10K_FW_WMI_OP_VERSION_10_1: | |
5507 | case ATH10K_FW_WMI_OP_VERSION_10_2: | |
4a16fbec | 5508 | case ATH10K_FW_WMI_OP_VERSION_10_2_4: |
5cc7caf4 KV |
5509 | ar->hw->wiphy->iface_combinations = ath10k_10x_if_comb; |
5510 | ar->hw->wiphy->n_iface_combinations = | |
5511 | ARRAY_SIZE(ath10k_10x_if_comb); | |
5512 | break; | |
5513 | case ATH10K_FW_WMI_OP_VERSION_UNSET: | |
5514 | case ATH10K_FW_WMI_OP_VERSION_MAX: | |
5515 | WARN_ON(1); | |
5516 | ret = -EINVAL; | |
5517 | goto err_free; | |
f259509b | 5518 | } |
5e3dd157 | 5519 | |
7c199997 MK |
5520 | ar->hw->netdev_features = NETIF_F_HW_CSUM; |
5521 | ||
9702c686 JD |
5522 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) { |
5523 | /* Init ath dfs pattern detector */ | |
5524 | ar->ath_common.debug_mask = ATH_DBG_DFS; | |
5525 | ar->dfs_detector = dfs_pattern_detector_init(&ar->ath_common, | |
5526 | NL80211_DFS_UNSET); | |
5527 | ||
5528 | if (!ar->dfs_detector) | |
7aa7a72a | 5529 | ath10k_warn(ar, "failed to initialise DFS pattern detector\n"); |
9702c686 JD |
5530 | } |
5531 | ||
5e3dd157 KV |
5532 | ret = ath_regd_init(&ar->ath_common.regulatory, ar->hw->wiphy, |
5533 | ath10k_reg_notifier); | |
5534 | if (ret) { | |
7aa7a72a | 5535 | ath10k_err(ar, "failed to initialise regulatory: %i\n", ret); |
d6015b27 | 5536 | goto err_free; |
5e3dd157 KV |
5537 | } |
5538 | ||
5539 | ret = ieee80211_register_hw(ar->hw); | |
5540 | if (ret) { | |
7aa7a72a | 5541 | ath10k_err(ar, "failed to register ieee80211: %d\n", ret); |
d6015b27 | 5542 | goto err_free; |
5e3dd157 KV |
5543 | } |
5544 | ||
5545 | if (!ath_is_world_regd(&ar->ath_common.regulatory)) { | |
5546 | ret = regulatory_hint(ar->hw->wiphy, | |
5547 | ar->ath_common.regulatory.alpha2); | |
5548 | if (ret) | |
d6015b27 | 5549 | goto err_unregister; |
5e3dd157 KV |
5550 | } |
5551 | ||
5552 | return 0; | |
d6015b27 MK |
5553 | |
5554 | err_unregister: | |
5e3dd157 | 5555 | ieee80211_unregister_hw(ar->hw); |
d6015b27 MK |
5556 | err_free: |
5557 | kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels); | |
5558 | kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels); | |
5559 | ||
5e3dd157 KV |
5560 | return ret; |
5561 | } | |
5562 | ||
5563 | void ath10k_mac_unregister(struct ath10k *ar) | |
5564 | { | |
5565 | ieee80211_unregister_hw(ar->hw); | |
5566 | ||
9702c686 JD |
5567 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) |
5568 | ar->dfs_detector->exit(ar->dfs_detector); | |
5569 | ||
5e3dd157 KV |
5570 | kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels); |
5571 | kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels); | |
5572 | ||
5573 | SET_IEEE80211_DEV(ar->hw, NULL); | |
5574 | } |