Commit | Line | Data |
---|---|---|
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" | |
5fd3ac3c | 32 | #include "wow.h" |
5e3dd157 | 33 | |
dcc33098 MK |
34 | /*********/ |
35 | /* Rates */ | |
36 | /*********/ | |
37 | ||
dcc33098 MK |
38 | static struct ieee80211_rate ath10k_rates[] = { |
39 | /* CCK */ | |
5653b39d MK |
40 | { .bitrate = 10 }, |
41 | { .bitrate = 20 }, | |
42 | { .bitrate = 55 }, | |
43 | { .bitrate = 110 }, | |
44 | ||
dcc33098 | 45 | /* OFDM */ |
5653b39d MK |
46 | { .bitrate = 60 }, |
47 | { .bitrate = 90 }, | |
48 | { .bitrate = 120 }, | |
49 | { .bitrate = 180 }, | |
50 | { .bitrate = 240 }, | |
51 | { .bitrate = 360 }, | |
52 | { .bitrate = 480 }, | |
53 | { .bitrate = 540 }, | |
dcc33098 MK |
54 | }; |
55 | ||
56 | #define ath10k_a_rates (ath10k_rates + 4) | |
57 | #define ath10k_a_rates_size (ARRAY_SIZE(ath10k_rates) - 4) | |
58 | #define ath10k_g_rates (ath10k_rates + 0) | |
59 | #define ath10k_g_rates_size (ARRAY_SIZE(ath10k_rates)) | |
60 | ||
486017cc MK |
61 | static bool ath10k_mac_bitrate_is_cck(int bitrate) |
62 | { | |
63 | switch (bitrate) { | |
64 | case 10: | |
65 | case 20: | |
66 | case 55: | |
67 | case 110: | |
68 | return true; | |
69 | } | |
70 | ||
71 | return false; | |
72 | } | |
73 | ||
74 | static u8 ath10k_mac_bitrate_to_rate(int bitrate) | |
75 | { | |
76 | return DIV_ROUND_UP(bitrate, 5) | | |
77 | (ath10k_mac_bitrate_is_cck(bitrate) ? BIT(7) : 0); | |
78 | } | |
79 | ||
5e3dd157 KV |
80 | /**********/ |
81 | /* Crypto */ | |
82 | /**********/ | |
83 | ||
84 | static int ath10k_send_key(struct ath10k_vif *arvif, | |
85 | struct ieee80211_key_conf *key, | |
86 | enum set_key_cmd cmd, | |
370e5673 | 87 | const u8 *macaddr, u32 flags) |
5e3dd157 | 88 | { |
7aa7a72a | 89 | struct ath10k *ar = arvif->ar; |
5e3dd157 KV |
90 | struct wmi_vdev_install_key_arg arg = { |
91 | .vdev_id = arvif->vdev_id, | |
92 | .key_idx = key->keyidx, | |
93 | .key_len = key->keylen, | |
94 | .key_data = key->key, | |
370e5673 | 95 | .key_flags = flags, |
5e3dd157 KV |
96 | .macaddr = macaddr, |
97 | }; | |
98 | ||
548db54c MK |
99 | lockdep_assert_held(&arvif->ar->conf_mutex); |
100 | ||
5e3dd157 KV |
101 | switch (key->cipher) { |
102 | case WLAN_CIPHER_SUITE_CCMP: | |
103 | arg.key_cipher = WMI_CIPHER_AES_CCM; | |
e4e82e9a | 104 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT; |
5e3dd157 KV |
105 | break; |
106 | case WLAN_CIPHER_SUITE_TKIP: | |
5e3dd157 KV |
107 | arg.key_cipher = WMI_CIPHER_TKIP; |
108 | arg.key_txmic_len = 8; | |
109 | arg.key_rxmic_len = 8; | |
110 | break; | |
111 | case WLAN_CIPHER_SUITE_WEP40: | |
112 | case WLAN_CIPHER_SUITE_WEP104: | |
113 | arg.key_cipher = WMI_CIPHER_WEP; | |
5e3dd157 | 114 | break; |
3cb10943 | 115 | case WLAN_CIPHER_SUITE_AES_CMAC: |
d7131c04 BM |
116 | WARN_ON(1); |
117 | return -EINVAL; | |
5e3dd157 | 118 | default: |
7aa7a72a | 119 | ath10k_warn(ar, "cipher %d is not supported\n", key->cipher); |
5e3dd157 KV |
120 | return -EOPNOTSUPP; |
121 | } | |
122 | ||
123 | if (cmd == DISABLE_KEY) { | |
124 | arg.key_cipher = WMI_CIPHER_NONE; | |
125 | arg.key_data = NULL; | |
126 | } | |
127 | ||
128 | return ath10k_wmi_vdev_install_key(arvif->ar, &arg); | |
129 | } | |
130 | ||
131 | static int ath10k_install_key(struct ath10k_vif *arvif, | |
132 | struct ieee80211_key_conf *key, | |
133 | enum set_key_cmd cmd, | |
370e5673 | 134 | const u8 *macaddr, u32 flags) |
5e3dd157 KV |
135 | { |
136 | struct ath10k *ar = arvif->ar; | |
137 | int ret; | |
138 | ||
548db54c MK |
139 | lockdep_assert_held(&ar->conf_mutex); |
140 | ||
16735d02 | 141 | reinit_completion(&ar->install_key_done); |
5e3dd157 | 142 | |
370e5673 | 143 | ret = ath10k_send_key(arvif, key, cmd, macaddr, flags); |
5e3dd157 KV |
144 | if (ret) |
145 | return ret; | |
146 | ||
147 | ret = wait_for_completion_timeout(&ar->install_key_done, 3*HZ); | |
148 | if (ret == 0) | |
149 | return -ETIMEDOUT; | |
150 | ||
151 | return 0; | |
152 | } | |
153 | ||
154 | static int ath10k_install_peer_wep_keys(struct ath10k_vif *arvif, | |
155 | const u8 *addr) | |
156 | { | |
157 | struct ath10k *ar = arvif->ar; | |
158 | struct ath10k_peer *peer; | |
159 | int ret; | |
160 | int i; | |
370e5673 | 161 | u32 flags; |
5e3dd157 KV |
162 | |
163 | lockdep_assert_held(&ar->conf_mutex); | |
164 | ||
165 | spin_lock_bh(&ar->data_lock); | |
166 | peer = ath10k_peer_find(ar, arvif->vdev_id, addr); | |
167 | spin_unlock_bh(&ar->data_lock); | |
168 | ||
169 | if (!peer) | |
170 | return -ENOENT; | |
171 | ||
172 | for (i = 0; i < ARRAY_SIZE(arvif->wep_keys); i++) { | |
173 | if (arvif->wep_keys[i] == NULL) | |
174 | continue; | |
370e5673 MK |
175 | |
176 | flags = 0; | |
177 | flags |= WMI_KEY_PAIRWISE; | |
178 | ||
627613f8 SJ |
179 | /* set TX_USAGE flag for default key id */ |
180 | if (arvif->def_wep_key_idx == i) | |
370e5673 | 181 | flags |= WMI_KEY_TX_USAGE; |
5e3dd157 KV |
182 | |
183 | ret = ath10k_install_key(arvif, arvif->wep_keys[i], SET_KEY, | |
370e5673 | 184 | addr, flags); |
5e3dd157 KV |
185 | if (ret) |
186 | return ret; | |
187 | ||
ae167131 | 188 | spin_lock_bh(&ar->data_lock); |
5e3dd157 | 189 | peer->keys[i] = arvif->wep_keys[i]; |
ae167131 | 190 | spin_unlock_bh(&ar->data_lock); |
5e3dd157 KV |
191 | } |
192 | ||
193 | return 0; | |
194 | } | |
195 | ||
196 | static int ath10k_clear_peer_keys(struct ath10k_vif *arvif, | |
197 | const u8 *addr) | |
198 | { | |
199 | struct ath10k *ar = arvif->ar; | |
200 | struct ath10k_peer *peer; | |
201 | int first_errno = 0; | |
202 | int ret; | |
203 | int i; | |
370e5673 | 204 | u32 flags = 0; |
5e3dd157 KV |
205 | |
206 | lockdep_assert_held(&ar->conf_mutex); | |
207 | ||
208 | spin_lock_bh(&ar->data_lock); | |
209 | peer = ath10k_peer_find(ar, arvif->vdev_id, addr); | |
210 | spin_unlock_bh(&ar->data_lock); | |
211 | ||
212 | if (!peer) | |
213 | return -ENOENT; | |
214 | ||
215 | for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { | |
216 | if (peer->keys[i] == NULL) | |
217 | continue; | |
218 | ||
627613f8 | 219 | /* key flags are not required to delete the key */ |
5e3dd157 | 220 | ret = ath10k_install_key(arvif, peer->keys[i], |
370e5673 | 221 | DISABLE_KEY, addr, flags); |
5e3dd157 KV |
222 | if (ret && first_errno == 0) |
223 | first_errno = ret; | |
224 | ||
225 | if (ret) | |
7aa7a72a | 226 | ath10k_warn(ar, "failed to remove peer wep key %d: %d\n", |
5e3dd157 KV |
227 | i, ret); |
228 | ||
ae167131 | 229 | spin_lock_bh(&ar->data_lock); |
5e3dd157 | 230 | peer->keys[i] = NULL; |
ae167131 | 231 | spin_unlock_bh(&ar->data_lock); |
5e3dd157 KV |
232 | } |
233 | ||
234 | return first_errno; | |
235 | } | |
236 | ||
504f6cdf SM |
237 | bool ath10k_mac_is_peer_wep_key_set(struct ath10k *ar, const u8 *addr, |
238 | u8 keyidx) | |
239 | { | |
240 | struct ath10k_peer *peer; | |
241 | int i; | |
242 | ||
243 | lockdep_assert_held(&ar->data_lock); | |
244 | ||
245 | /* We don't know which vdev this peer belongs to, | |
246 | * since WMI doesn't give us that information. | |
247 | * | |
248 | * FIXME: multi-bss needs to be handled. | |
249 | */ | |
250 | peer = ath10k_peer_find(ar, 0, addr); | |
251 | if (!peer) | |
252 | return false; | |
253 | ||
254 | for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { | |
255 | if (peer->keys[i] && peer->keys[i]->keyidx == keyidx) | |
256 | return true; | |
257 | } | |
258 | ||
259 | return false; | |
260 | } | |
261 | ||
5e3dd157 KV |
262 | static int ath10k_clear_vdev_key(struct ath10k_vif *arvif, |
263 | struct ieee80211_key_conf *key) | |
264 | { | |
265 | struct ath10k *ar = arvif->ar; | |
266 | struct ath10k_peer *peer; | |
267 | u8 addr[ETH_ALEN]; | |
268 | int first_errno = 0; | |
269 | int ret; | |
270 | int i; | |
370e5673 | 271 | u32 flags = 0; |
5e3dd157 KV |
272 | |
273 | lockdep_assert_held(&ar->conf_mutex); | |
274 | ||
275 | for (;;) { | |
276 | /* since ath10k_install_key we can't hold data_lock all the | |
277 | * time, so we try to remove the keys incrementally */ | |
278 | spin_lock_bh(&ar->data_lock); | |
279 | i = 0; | |
280 | list_for_each_entry(peer, &ar->peers, list) { | |
281 | for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { | |
282 | if (peer->keys[i] == key) { | |
b25f32cb | 283 | ether_addr_copy(addr, peer->addr); |
5e3dd157 KV |
284 | peer->keys[i] = NULL; |
285 | break; | |
286 | } | |
287 | } | |
288 | ||
289 | if (i < ARRAY_SIZE(peer->keys)) | |
290 | break; | |
291 | } | |
292 | spin_unlock_bh(&ar->data_lock); | |
293 | ||
294 | if (i == ARRAY_SIZE(peer->keys)) | |
295 | break; | |
627613f8 | 296 | /* key flags are not required to delete the key */ |
370e5673 | 297 | ret = ath10k_install_key(arvif, key, DISABLE_KEY, addr, flags); |
5e3dd157 KV |
298 | if (ret && first_errno == 0) |
299 | first_errno = ret; | |
300 | ||
301 | if (ret) | |
7aa7a72a | 302 | ath10k_warn(ar, "failed to remove key for %pM: %d\n", |
be6546fc | 303 | addr, ret); |
5e3dd157 KV |
304 | } |
305 | ||
306 | return first_errno; | |
307 | } | |
308 | ||
370e5673 MK |
309 | static int ath10k_mac_vif_sta_fix_wep_key(struct ath10k_vif *arvif) |
310 | { | |
311 | struct ath10k *ar = arvif->ar; | |
312 | enum nl80211_iftype iftype = arvif->vif->type; | |
313 | struct ieee80211_key_conf *key; | |
314 | u32 flags = 0; | |
315 | int num = 0; | |
316 | int i; | |
317 | int ret; | |
318 | ||
319 | lockdep_assert_held(&ar->conf_mutex); | |
320 | ||
321 | if (iftype != NL80211_IFTYPE_STATION) | |
322 | return 0; | |
323 | ||
324 | for (i = 0; i < ARRAY_SIZE(arvif->wep_keys); i++) { | |
325 | if (arvif->wep_keys[i]) { | |
326 | key = arvif->wep_keys[i]; | |
327 | ++num; | |
328 | } | |
329 | } | |
330 | ||
331 | if (num != 1) | |
332 | return 0; | |
333 | ||
334 | flags |= WMI_KEY_PAIRWISE; | |
335 | flags |= WMI_KEY_TX_USAGE; | |
336 | ||
337 | ret = ath10k_install_key(arvif, key, SET_KEY, arvif->bssid, flags); | |
338 | if (ret) { | |
339 | ath10k_warn(ar, "failed to install key %i on vdev %i: %d\n", | |
340 | key->keyidx, arvif->vdev_id, ret); | |
341 | return ret; | |
342 | } | |
343 | ||
344 | return 0; | |
345 | } | |
346 | ||
ad325cb5 MK |
347 | static int ath10k_mac_vif_update_wep_key(struct ath10k_vif *arvif, |
348 | struct ieee80211_key_conf *key) | |
349 | { | |
350 | struct ath10k *ar = arvif->ar; | |
351 | struct ath10k_peer *peer; | |
352 | int ret; | |
353 | ||
354 | lockdep_assert_held(&ar->conf_mutex); | |
355 | ||
356 | list_for_each_entry(peer, &ar->peers, list) { | |
357 | if (!memcmp(peer->addr, arvif->vif->addr, ETH_ALEN)) | |
358 | continue; | |
359 | ||
360 | if (!memcmp(peer->addr, arvif->bssid, ETH_ALEN)) | |
361 | continue; | |
362 | ||
363 | if (peer->keys[key->keyidx] == key) | |
364 | continue; | |
365 | ||
366 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vif vdev %i update key %i needs update\n", | |
367 | arvif->vdev_id, key->keyidx); | |
368 | ||
369 | ret = ath10k_install_peer_wep_keys(arvif, peer->addr); | |
370 | if (ret) { | |
371 | ath10k_warn(ar, "failed to update wep keys on vdev %i for peer %pM: %d\n", | |
372 | arvif->vdev_id, peer->addr, ret); | |
373 | return ret; | |
374 | } | |
375 | } | |
376 | ||
377 | return 0; | |
378 | } | |
379 | ||
5e3dd157 KV |
380 | /*********************/ |
381 | /* General utilities */ | |
382 | /*********************/ | |
383 | ||
384 | static inline enum wmi_phy_mode | |
385 | chan_to_phymode(const struct cfg80211_chan_def *chandef) | |
386 | { | |
387 | enum wmi_phy_mode phymode = MODE_UNKNOWN; | |
388 | ||
389 | switch (chandef->chan->band) { | |
390 | case IEEE80211_BAND_2GHZ: | |
391 | switch (chandef->width) { | |
392 | case NL80211_CHAN_WIDTH_20_NOHT: | |
6faab127 PO |
393 | if (chandef->chan->flags & IEEE80211_CHAN_NO_OFDM) |
394 | phymode = MODE_11B; | |
395 | else | |
396 | phymode = MODE_11G; | |
5e3dd157 KV |
397 | break; |
398 | case NL80211_CHAN_WIDTH_20: | |
399 | phymode = MODE_11NG_HT20; | |
400 | break; | |
401 | case NL80211_CHAN_WIDTH_40: | |
402 | phymode = MODE_11NG_HT40; | |
403 | break; | |
0f817ed5 JL |
404 | case NL80211_CHAN_WIDTH_5: |
405 | case NL80211_CHAN_WIDTH_10: | |
5e3dd157 KV |
406 | case NL80211_CHAN_WIDTH_80: |
407 | case NL80211_CHAN_WIDTH_80P80: | |
408 | case NL80211_CHAN_WIDTH_160: | |
409 | phymode = MODE_UNKNOWN; | |
410 | break; | |
411 | } | |
412 | break; | |
413 | case IEEE80211_BAND_5GHZ: | |
414 | switch (chandef->width) { | |
415 | case NL80211_CHAN_WIDTH_20_NOHT: | |
416 | phymode = MODE_11A; | |
417 | break; | |
418 | case NL80211_CHAN_WIDTH_20: | |
419 | phymode = MODE_11NA_HT20; | |
420 | break; | |
421 | case NL80211_CHAN_WIDTH_40: | |
422 | phymode = MODE_11NA_HT40; | |
423 | break; | |
424 | case NL80211_CHAN_WIDTH_80: | |
425 | phymode = MODE_11AC_VHT80; | |
426 | break; | |
0f817ed5 JL |
427 | case NL80211_CHAN_WIDTH_5: |
428 | case NL80211_CHAN_WIDTH_10: | |
5e3dd157 KV |
429 | case NL80211_CHAN_WIDTH_80P80: |
430 | case NL80211_CHAN_WIDTH_160: | |
431 | phymode = MODE_UNKNOWN; | |
432 | break; | |
433 | } | |
434 | break; | |
435 | default: | |
436 | break; | |
437 | } | |
438 | ||
439 | WARN_ON(phymode == MODE_UNKNOWN); | |
440 | return phymode; | |
441 | } | |
442 | ||
443 | static u8 ath10k_parse_mpdudensity(u8 mpdudensity) | |
444 | { | |
445 | /* | |
446 | * 802.11n D2.0 defined values for "Minimum MPDU Start Spacing": | |
447 | * 0 for no restriction | |
448 | * 1 for 1/4 us | |
449 | * 2 for 1/2 us | |
450 | * 3 for 1 us | |
451 | * 4 for 2 us | |
452 | * 5 for 4 us | |
453 | * 6 for 8 us | |
454 | * 7 for 16 us | |
455 | */ | |
456 | switch (mpdudensity) { | |
457 | case 0: | |
458 | return 0; | |
459 | case 1: | |
460 | case 2: | |
461 | case 3: | |
462 | /* Our lower layer calculations limit our precision to | |
463 | 1 microsecond */ | |
464 | return 1; | |
465 | case 4: | |
466 | return 2; | |
467 | case 5: | |
468 | return 4; | |
469 | case 6: | |
470 | return 8; | |
471 | case 7: | |
472 | return 16; | |
473 | default: | |
474 | return 0; | |
475 | } | |
476 | } | |
477 | ||
7390ed34 MP |
478 | static int ath10k_peer_create(struct ath10k *ar, u32 vdev_id, const u8 *addr, |
479 | enum wmi_peer_type peer_type) | |
5e3dd157 KV |
480 | { |
481 | int ret; | |
482 | ||
483 | lockdep_assert_held(&ar->conf_mutex); | |
484 | ||
cfd1061e MK |
485 | if (ar->num_peers >= ar->max_num_peers) |
486 | return -ENOBUFS; | |
487 | ||
7390ed34 | 488 | ret = ath10k_wmi_peer_create(ar, vdev_id, addr, peer_type); |
479398b0 | 489 | if (ret) { |
7aa7a72a | 490 | ath10k_warn(ar, "failed to create wmi peer %pM on vdev %i: %i\n", |
69244e56 | 491 | addr, vdev_id, ret); |
5e3dd157 | 492 | return ret; |
479398b0 | 493 | } |
5e3dd157 KV |
494 | |
495 | ret = ath10k_wait_for_peer_created(ar, vdev_id, addr); | |
479398b0 | 496 | if (ret) { |
7aa7a72a | 497 | ath10k_warn(ar, "failed to wait for created wmi peer %pM on vdev %i: %i\n", |
69244e56 | 498 | addr, vdev_id, ret); |
5e3dd157 | 499 | return ret; |
479398b0 | 500 | } |
292a753d | 501 | |
0e759f36 | 502 | ar->num_peers++; |
5e3dd157 KV |
503 | |
504 | return 0; | |
505 | } | |
506 | ||
5a13e76e KV |
507 | static int ath10k_mac_set_kickout(struct ath10k_vif *arvif) |
508 | { | |
509 | struct ath10k *ar = arvif->ar; | |
510 | u32 param; | |
511 | int ret; | |
512 | ||
513 | param = ar->wmi.pdev_param->sta_kickout_th; | |
514 | ret = ath10k_wmi_pdev_set_param(ar, param, | |
515 | ATH10K_KICKOUT_THRESHOLD); | |
516 | if (ret) { | |
7aa7a72a | 517 | ath10k_warn(ar, "failed to set kickout threshold on vdev %i: %d\n", |
69244e56 | 518 | arvif->vdev_id, ret); |
5a13e76e KV |
519 | return ret; |
520 | } | |
521 | ||
522 | param = ar->wmi.vdev_param->ap_keepalive_min_idle_inactive_time_secs; | |
523 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, | |
524 | ATH10K_KEEPALIVE_MIN_IDLE); | |
525 | if (ret) { | |
7aa7a72a | 526 | ath10k_warn(ar, "failed to set keepalive minimum idle time on vdev %i: %d\n", |
69244e56 | 527 | arvif->vdev_id, ret); |
5a13e76e KV |
528 | return ret; |
529 | } | |
530 | ||
531 | param = ar->wmi.vdev_param->ap_keepalive_max_idle_inactive_time_secs; | |
532 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, | |
533 | ATH10K_KEEPALIVE_MAX_IDLE); | |
534 | if (ret) { | |
7aa7a72a | 535 | ath10k_warn(ar, "failed to set keepalive maximum idle time on vdev %i: %d\n", |
69244e56 | 536 | arvif->vdev_id, ret); |
5a13e76e KV |
537 | return ret; |
538 | } | |
539 | ||
540 | param = ar->wmi.vdev_param->ap_keepalive_max_unresponsive_time_secs; | |
541 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, | |
542 | ATH10K_KEEPALIVE_MAX_UNRESPONSIVE); | |
543 | if (ret) { | |
7aa7a72a | 544 | ath10k_warn(ar, "failed to set keepalive maximum unresponsive time on vdev %i: %d\n", |
69244e56 | 545 | arvif->vdev_id, ret); |
5a13e76e KV |
546 | return ret; |
547 | } | |
548 | ||
549 | return 0; | |
550 | } | |
551 | ||
acab6400 | 552 | static int ath10k_mac_set_rts(struct ath10k_vif *arvif, u32 value) |
424121c3 | 553 | { |
6d1506e7 BM |
554 | struct ath10k *ar = arvif->ar; |
555 | u32 vdev_param; | |
556 | ||
6d1506e7 BM |
557 | vdev_param = ar->wmi.vdev_param->rts_threshold; |
558 | return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, value); | |
424121c3 MK |
559 | } |
560 | ||
561 | static int ath10k_mac_set_frag(struct ath10k_vif *arvif, u32 value) | |
562 | { | |
6d1506e7 BM |
563 | struct ath10k *ar = arvif->ar; |
564 | u32 vdev_param; | |
565 | ||
424121c3 MK |
566 | if (value != 0xFFFFFFFF) |
567 | value = clamp_t(u32, arvif->ar->hw->wiphy->frag_threshold, | |
568 | ATH10K_FRAGMT_THRESHOLD_MIN, | |
569 | ATH10K_FRAGMT_THRESHOLD_MAX); | |
570 | ||
6d1506e7 BM |
571 | vdev_param = ar->wmi.vdev_param->fragmentation_threshold; |
572 | return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, value); | |
424121c3 MK |
573 | } |
574 | ||
5e3dd157 KV |
575 | static int ath10k_peer_delete(struct ath10k *ar, u32 vdev_id, const u8 *addr) |
576 | { | |
577 | int ret; | |
578 | ||
579 | lockdep_assert_held(&ar->conf_mutex); | |
580 | ||
581 | ret = ath10k_wmi_peer_delete(ar, vdev_id, addr); | |
582 | if (ret) | |
583 | return ret; | |
584 | ||
585 | ret = ath10k_wait_for_peer_deleted(ar, vdev_id, addr); | |
586 | if (ret) | |
587 | return ret; | |
588 | ||
0e759f36 | 589 | ar->num_peers--; |
0e759f36 | 590 | |
5e3dd157 KV |
591 | return 0; |
592 | } | |
593 | ||
594 | static void ath10k_peer_cleanup(struct ath10k *ar, u32 vdev_id) | |
595 | { | |
596 | struct ath10k_peer *peer, *tmp; | |
597 | ||
598 | lockdep_assert_held(&ar->conf_mutex); | |
599 | ||
600 | spin_lock_bh(&ar->data_lock); | |
601 | list_for_each_entry_safe(peer, tmp, &ar->peers, list) { | |
602 | if (peer->vdev_id != vdev_id) | |
603 | continue; | |
604 | ||
7aa7a72a | 605 | ath10k_warn(ar, "removing stale peer %pM from vdev_id %d\n", |
5e3dd157 KV |
606 | peer->addr, vdev_id); |
607 | ||
608 | list_del(&peer->list); | |
609 | kfree(peer); | |
0e759f36 | 610 | ar->num_peers--; |
5e3dd157 KV |
611 | } |
612 | spin_unlock_bh(&ar->data_lock); | |
613 | } | |
614 | ||
a96d7745 MK |
615 | static void ath10k_peer_cleanup_all(struct ath10k *ar) |
616 | { | |
617 | struct ath10k_peer *peer, *tmp; | |
618 | ||
619 | lockdep_assert_held(&ar->conf_mutex); | |
620 | ||
621 | spin_lock_bh(&ar->data_lock); | |
622 | list_for_each_entry_safe(peer, tmp, &ar->peers, list) { | |
623 | list_del(&peer->list); | |
624 | kfree(peer); | |
625 | } | |
626 | spin_unlock_bh(&ar->data_lock); | |
292a753d MK |
627 | |
628 | ar->num_peers = 0; | |
cfd1061e | 629 | ar->num_stations = 0; |
a96d7745 MK |
630 | } |
631 | ||
75d85fd9 MP |
632 | static int ath10k_mac_tdls_peer_update(struct ath10k *ar, u32 vdev_id, |
633 | struct ieee80211_sta *sta, | |
634 | enum wmi_tdls_peer_state state) | |
635 | { | |
636 | int ret; | |
637 | struct wmi_tdls_peer_update_cmd_arg arg = {}; | |
638 | struct wmi_tdls_peer_capab_arg cap = {}; | |
639 | struct wmi_channel_arg chan_arg = {}; | |
640 | ||
641 | lockdep_assert_held(&ar->conf_mutex); | |
642 | ||
643 | arg.vdev_id = vdev_id; | |
644 | arg.peer_state = state; | |
645 | ether_addr_copy(arg.addr, sta->addr); | |
646 | ||
647 | cap.peer_max_sp = sta->max_sp; | |
648 | cap.peer_uapsd_queues = sta->uapsd_queues; | |
649 | ||
650 | if (state == WMI_TDLS_PEER_STATE_CONNECTED && | |
651 | !sta->tdls_initiator) | |
652 | cap.is_peer_responder = 1; | |
653 | ||
654 | ret = ath10k_wmi_tdls_peer_update(ar, &arg, &cap, &chan_arg); | |
655 | if (ret) { | |
656 | ath10k_warn(ar, "failed to update tdls peer %pM on vdev %i: %i\n", | |
657 | arg.addr, vdev_id, ret); | |
658 | return ret; | |
659 | } | |
660 | ||
661 | return 0; | |
662 | } | |
663 | ||
5e3dd157 KV |
664 | /************************/ |
665 | /* Interface management */ | |
666 | /************************/ | |
667 | ||
64badcb6 MK |
668 | void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif) |
669 | { | |
670 | struct ath10k *ar = arvif->ar; | |
671 | ||
672 | lockdep_assert_held(&ar->data_lock); | |
673 | ||
674 | if (!arvif->beacon) | |
675 | return; | |
676 | ||
677 | if (!arvif->beacon_buf) | |
678 | dma_unmap_single(ar->dev, ATH10K_SKB_CB(arvif->beacon)->paddr, | |
679 | arvif->beacon->len, DMA_TO_DEVICE); | |
680 | ||
af21319f MK |
681 | if (WARN_ON(arvif->beacon_state != ATH10K_BEACON_SCHEDULED && |
682 | arvif->beacon_state != ATH10K_BEACON_SENT)) | |
683 | return; | |
684 | ||
64badcb6 MK |
685 | dev_kfree_skb_any(arvif->beacon); |
686 | ||
687 | arvif->beacon = NULL; | |
af21319f | 688 | arvif->beacon_state = ATH10K_BEACON_SCHEDULED; |
64badcb6 MK |
689 | } |
690 | ||
691 | static void ath10k_mac_vif_beacon_cleanup(struct ath10k_vif *arvif) | |
692 | { | |
693 | struct ath10k *ar = arvif->ar; | |
694 | ||
695 | lockdep_assert_held(&ar->data_lock); | |
696 | ||
697 | ath10k_mac_vif_beacon_free(arvif); | |
698 | ||
699 | if (arvif->beacon_buf) { | |
700 | dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN, | |
701 | arvif->beacon_buf, arvif->beacon_paddr); | |
702 | arvif->beacon_buf = NULL; | |
703 | } | |
704 | } | |
705 | ||
5e3dd157 KV |
706 | static inline int ath10k_vdev_setup_sync(struct ath10k *ar) |
707 | { | |
708 | int ret; | |
709 | ||
548db54c MK |
710 | lockdep_assert_held(&ar->conf_mutex); |
711 | ||
7962b0d8 MK |
712 | if (test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags)) |
713 | return -ESHUTDOWN; | |
714 | ||
5e3dd157 KV |
715 | ret = wait_for_completion_timeout(&ar->vdev_setup_done, |
716 | ATH10K_VDEV_SETUP_TIMEOUT_HZ); | |
717 | if (ret == 0) | |
718 | return -ETIMEDOUT; | |
719 | ||
720 | return 0; | |
721 | } | |
722 | ||
1bbc0975 | 723 | static int ath10k_monitor_vdev_start(struct ath10k *ar, int vdev_id) |
5e3dd157 | 724 | { |
c930f744 MK |
725 | struct cfg80211_chan_def *chandef = &ar->chandef; |
726 | struct ieee80211_channel *channel = chandef->chan; | |
5e3dd157 | 727 | struct wmi_vdev_start_request_arg arg = {}; |
5e3dd157 KV |
728 | int ret = 0; |
729 | ||
730 | lockdep_assert_held(&ar->conf_mutex); | |
731 | ||
5e3dd157 KV |
732 | arg.vdev_id = vdev_id; |
733 | arg.channel.freq = channel->center_freq; | |
c930f744 | 734 | arg.channel.band_center_freq1 = chandef->center_freq1; |
5e3dd157 KV |
735 | |
736 | /* TODO setup this dynamically, what in case we | |
737 | don't have any vifs? */ | |
c930f744 | 738 | arg.channel.mode = chan_to_phymode(chandef); |
e8a50f8b MP |
739 | arg.channel.chan_radar = |
740 | !!(channel->flags & IEEE80211_CHAN_RADAR); | |
5e3dd157 | 741 | |
89c5c843 | 742 | arg.channel.min_power = 0; |
02256930 MK |
743 | arg.channel.max_power = channel->max_power * 2; |
744 | arg.channel.max_reg_power = channel->max_reg_power * 2; | |
745 | arg.channel.max_antenna_gain = channel->max_antenna_gain * 2; | |
5e3dd157 | 746 | |
7962b0d8 MK |
747 | reinit_completion(&ar->vdev_setup_done); |
748 | ||
5e3dd157 KV |
749 | ret = ath10k_wmi_vdev_start(ar, &arg); |
750 | if (ret) { | |
7aa7a72a | 751 | ath10k_warn(ar, "failed to request monitor vdev %i start: %d\n", |
69244e56 | 752 | vdev_id, ret); |
5e3dd157 KV |
753 | return ret; |
754 | } | |
755 | ||
756 | ret = ath10k_vdev_setup_sync(ar); | |
757 | if (ret) { | |
60028a81 | 758 | ath10k_warn(ar, "failed to synchronize setup for monitor vdev %i start: %d\n", |
69244e56 | 759 | vdev_id, ret); |
5e3dd157 KV |
760 | return ret; |
761 | } | |
762 | ||
763 | ret = ath10k_wmi_vdev_up(ar, vdev_id, 0, ar->mac_addr); | |
764 | if (ret) { | |
7aa7a72a | 765 | ath10k_warn(ar, "failed to put up monitor vdev %i: %d\n", |
69244e56 | 766 | vdev_id, ret); |
5e3dd157 KV |
767 | goto vdev_stop; |
768 | } | |
769 | ||
770 | ar->monitor_vdev_id = vdev_id; | |
5e3dd157 | 771 | |
7aa7a72a | 772 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i started\n", |
1bbc0975 | 773 | ar->monitor_vdev_id); |
5e3dd157 KV |
774 | return 0; |
775 | ||
776 | vdev_stop: | |
777 | ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id); | |
778 | if (ret) | |
7aa7a72a | 779 | ath10k_warn(ar, "failed to stop monitor vdev %i after start failure: %d\n", |
69244e56 | 780 | ar->monitor_vdev_id, ret); |
5e3dd157 KV |
781 | |
782 | return ret; | |
783 | } | |
784 | ||
1bbc0975 | 785 | static int ath10k_monitor_vdev_stop(struct ath10k *ar) |
5e3dd157 KV |
786 | { |
787 | int ret = 0; | |
788 | ||
789 | lockdep_assert_held(&ar->conf_mutex); | |
790 | ||
52fa0191 MP |
791 | ret = ath10k_wmi_vdev_down(ar, ar->monitor_vdev_id); |
792 | if (ret) | |
7aa7a72a | 793 | ath10k_warn(ar, "failed to put down monitor vdev %i: %d\n", |
69244e56 | 794 | ar->monitor_vdev_id, ret); |
5e3dd157 | 795 | |
7962b0d8 MK |
796 | reinit_completion(&ar->vdev_setup_done); |
797 | ||
5e3dd157 KV |
798 | ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id); |
799 | if (ret) | |
7aa7a72a | 800 | ath10k_warn(ar, "failed to to request monitor vdev %i stop: %d\n", |
69244e56 | 801 | ar->monitor_vdev_id, ret); |
5e3dd157 KV |
802 | |
803 | ret = ath10k_vdev_setup_sync(ar); | |
804 | if (ret) | |
60028a81 | 805 | ath10k_warn(ar, "failed to synchronize monitor vdev %i stop: %d\n", |
69244e56 | 806 | ar->monitor_vdev_id, ret); |
5e3dd157 | 807 | |
7aa7a72a | 808 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i stopped\n", |
1bbc0975 | 809 | ar->monitor_vdev_id); |
5e3dd157 KV |
810 | return ret; |
811 | } | |
812 | ||
1bbc0975 | 813 | static int ath10k_monitor_vdev_create(struct ath10k *ar) |
5e3dd157 KV |
814 | { |
815 | int bit, ret = 0; | |
816 | ||
817 | lockdep_assert_held(&ar->conf_mutex); | |
818 | ||
a9aefb3b | 819 | if (ar->free_vdev_map == 0) { |
7aa7a72a | 820 | ath10k_warn(ar, "failed to find free vdev id for monitor vdev\n"); |
5e3dd157 KV |
821 | return -ENOMEM; |
822 | } | |
823 | ||
16c11176 | 824 | bit = __ffs64(ar->free_vdev_map); |
a9aefb3b | 825 | |
16c11176 | 826 | ar->monitor_vdev_id = bit; |
5e3dd157 KV |
827 | |
828 | ret = ath10k_wmi_vdev_create(ar, ar->monitor_vdev_id, | |
829 | WMI_VDEV_TYPE_MONITOR, | |
830 | 0, ar->mac_addr); | |
831 | if (ret) { | |
7aa7a72a | 832 | ath10k_warn(ar, "failed to request monitor vdev %i creation: %d\n", |
69244e56 | 833 | ar->monitor_vdev_id, ret); |
a9aefb3b | 834 | return ret; |
5e3dd157 KV |
835 | } |
836 | ||
16c11176 | 837 | ar->free_vdev_map &= ~(1LL << ar->monitor_vdev_id); |
7aa7a72a | 838 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d created\n", |
5e3dd157 KV |
839 | ar->monitor_vdev_id); |
840 | ||
5e3dd157 | 841 | return 0; |
5e3dd157 KV |
842 | } |
843 | ||
1bbc0975 | 844 | static int ath10k_monitor_vdev_delete(struct ath10k *ar) |
5e3dd157 KV |
845 | { |
846 | int ret = 0; | |
847 | ||
848 | lockdep_assert_held(&ar->conf_mutex); | |
849 | ||
5e3dd157 KV |
850 | ret = ath10k_wmi_vdev_delete(ar, ar->monitor_vdev_id); |
851 | if (ret) { | |
7aa7a72a | 852 | ath10k_warn(ar, "failed to request wmi monitor vdev %i removal: %d\n", |
69244e56 | 853 | ar->monitor_vdev_id, ret); |
5e3dd157 KV |
854 | return ret; |
855 | } | |
856 | ||
16c11176 | 857 | ar->free_vdev_map |= 1LL << ar->monitor_vdev_id; |
5e3dd157 | 858 | |
7aa7a72a | 859 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d deleted\n", |
5e3dd157 KV |
860 | ar->monitor_vdev_id); |
861 | return ret; | |
862 | } | |
863 | ||
1bbc0975 MK |
864 | static int ath10k_monitor_start(struct ath10k *ar) |
865 | { | |
866 | int ret; | |
867 | ||
868 | lockdep_assert_held(&ar->conf_mutex); | |
869 | ||
1bbc0975 MK |
870 | ret = ath10k_monitor_vdev_create(ar); |
871 | if (ret) { | |
7aa7a72a | 872 | ath10k_warn(ar, "failed to create monitor vdev: %d\n", ret); |
1bbc0975 MK |
873 | return ret; |
874 | } | |
875 | ||
876 | ret = ath10k_monitor_vdev_start(ar, ar->monitor_vdev_id); | |
877 | if (ret) { | |
7aa7a72a | 878 | ath10k_warn(ar, "failed to start monitor vdev: %d\n", ret); |
1bbc0975 MK |
879 | ath10k_monitor_vdev_delete(ar); |
880 | return ret; | |
881 | } | |
882 | ||
883 | ar->monitor_started = true; | |
7aa7a72a | 884 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor started\n"); |
1bbc0975 MK |
885 | |
886 | return 0; | |
887 | } | |
888 | ||
1933747f | 889 | static int ath10k_monitor_stop(struct ath10k *ar) |
1bbc0975 MK |
890 | { |
891 | int ret; | |
892 | ||
893 | lockdep_assert_held(&ar->conf_mutex); | |
894 | ||
1bbc0975 | 895 | ret = ath10k_monitor_vdev_stop(ar); |
1933747f | 896 | if (ret) { |
7aa7a72a | 897 | ath10k_warn(ar, "failed to stop monitor vdev: %d\n", ret); |
1933747f MK |
898 | return ret; |
899 | } | |
1bbc0975 MK |
900 | |
901 | ret = ath10k_monitor_vdev_delete(ar); | |
1933747f | 902 | if (ret) { |
7aa7a72a | 903 | ath10k_warn(ar, "failed to delete monitor vdev: %d\n", ret); |
1933747f MK |
904 | return ret; |
905 | } | |
1bbc0975 MK |
906 | |
907 | ar->monitor_started = false; | |
7aa7a72a | 908 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopped\n"); |
1933747f MK |
909 | |
910 | return 0; | |
911 | } | |
912 | ||
54846213 VT |
913 | static bool ath10k_mac_should_disable_promisc(struct ath10k *ar) |
914 | { | |
915 | struct ath10k_vif *arvif; | |
916 | ||
917 | if (!(ar->filter_flags & FIF_PROMISC_IN_BSS)) | |
918 | return true; | |
919 | ||
920 | if (!ar->num_started_vdevs) | |
921 | return false; | |
922 | ||
923 | list_for_each_entry(arvif, &ar->arvifs, list) | |
924 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP) | |
925 | return false; | |
926 | ||
927 | ath10k_dbg(ar, ATH10K_DBG_MAC, | |
928 | "mac disabling promiscuous mode because vdev is started\n"); | |
929 | return true; | |
930 | } | |
931 | ||
1933747f MK |
932 | static int ath10k_monitor_recalc(struct ath10k *ar) |
933 | { | |
934 | bool should_start; | |
935 | ||
936 | lockdep_assert_held(&ar->conf_mutex); | |
937 | ||
938 | should_start = ar->monitor || | |
bff414c3 | 939 | !ath10k_mac_should_disable_promisc(ar) || |
1933747f MK |
940 | test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); |
941 | ||
942 | ath10k_dbg(ar, ATH10K_DBG_MAC, | |
943 | "mac monitor recalc started? %d should? %d\n", | |
944 | ar->monitor_started, should_start); | |
945 | ||
946 | if (should_start == ar->monitor_started) | |
947 | return 0; | |
948 | ||
949 | if (should_start) | |
950 | return ath10k_monitor_start(ar); | |
d8bb26b9 KV |
951 | |
952 | return ath10k_monitor_stop(ar); | |
1bbc0975 MK |
953 | } |
954 | ||
e81bd104 MK |
955 | static int ath10k_recalc_rtscts_prot(struct ath10k_vif *arvif) |
956 | { | |
957 | struct ath10k *ar = arvif->ar; | |
958 | u32 vdev_param, rts_cts = 0; | |
959 | ||
960 | lockdep_assert_held(&ar->conf_mutex); | |
961 | ||
962 | vdev_param = ar->wmi.vdev_param->enable_rtscts; | |
963 | ||
9a5ab0f4 | 964 | rts_cts |= SM(WMI_RTSCTS_ENABLED, WMI_RTSCTS_SET); |
e81bd104 MK |
965 | |
966 | if (arvif->num_legacy_stations > 0) | |
967 | rts_cts |= SM(WMI_RTSCTS_ACROSS_SW_RETRIES, | |
968 | WMI_RTSCTS_PROFILE); | |
9a5ab0f4 RM |
969 | else |
970 | rts_cts |= SM(WMI_RTSCTS_FOR_SECOND_RATESERIES, | |
971 | WMI_RTSCTS_PROFILE); | |
e81bd104 MK |
972 | |
973 | return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
974 | rts_cts); | |
975 | } | |
976 | ||
e8a50f8b MP |
977 | static int ath10k_start_cac(struct ath10k *ar) |
978 | { | |
979 | int ret; | |
980 | ||
981 | lockdep_assert_held(&ar->conf_mutex); | |
982 | ||
983 | set_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); | |
984 | ||
1933747f | 985 | ret = ath10k_monitor_recalc(ar); |
e8a50f8b | 986 | if (ret) { |
7aa7a72a | 987 | ath10k_warn(ar, "failed to start monitor (cac): %d\n", ret); |
e8a50f8b MP |
988 | clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); |
989 | return ret; | |
990 | } | |
991 | ||
7aa7a72a | 992 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac start monitor vdev %d\n", |
e8a50f8b MP |
993 | ar->monitor_vdev_id); |
994 | ||
995 | return 0; | |
996 | } | |
997 | ||
998 | static int ath10k_stop_cac(struct ath10k *ar) | |
999 | { | |
1000 | lockdep_assert_held(&ar->conf_mutex); | |
1001 | ||
1002 | /* CAC is not running - do nothing */ | |
1003 | if (!test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags)) | |
1004 | return 0; | |
1005 | ||
e8a50f8b | 1006 | clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); |
1bbc0975 | 1007 | ath10k_monitor_stop(ar); |
e8a50f8b | 1008 | |
7aa7a72a | 1009 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac finished\n"); |
e8a50f8b MP |
1010 | |
1011 | return 0; | |
1012 | } | |
1013 | ||
d650097b | 1014 | static void ath10k_recalc_radar_detection(struct ath10k *ar) |
e8a50f8b | 1015 | { |
e8a50f8b MP |
1016 | int ret; |
1017 | ||
1018 | lockdep_assert_held(&ar->conf_mutex); | |
1019 | ||
e8a50f8b MP |
1020 | ath10k_stop_cac(ar); |
1021 | ||
d650097b | 1022 | if (!ar->radar_enabled) |
e8a50f8b MP |
1023 | return; |
1024 | ||
d650097b | 1025 | if (ar->num_started_vdevs > 0) |
e8a50f8b MP |
1026 | return; |
1027 | ||
1028 | ret = ath10k_start_cac(ar); | |
1029 | if (ret) { | |
1030 | /* | |
1031 | * Not possible to start CAC on current channel so starting | |
1032 | * radiation is not allowed, make this channel DFS_UNAVAILABLE | |
1033 | * by indicating that radar was detected. | |
1034 | */ | |
7aa7a72a | 1035 | ath10k_warn(ar, "failed to start CAC: %d\n", ret); |
e8a50f8b MP |
1036 | ieee80211_radar_detected(ar->hw); |
1037 | } | |
1038 | } | |
1039 | ||
822b7e0b VT |
1040 | static int ath10k_vdev_stop(struct ath10k_vif *arvif) |
1041 | { | |
1042 | struct ath10k *ar = arvif->ar; | |
1043 | int ret; | |
1044 | ||
1045 | lockdep_assert_held(&ar->conf_mutex); | |
1046 | ||
1047 | reinit_completion(&ar->vdev_setup_done); | |
1048 | ||
1049 | ret = ath10k_wmi_vdev_stop(ar, arvif->vdev_id); | |
1050 | if (ret) { | |
1051 | ath10k_warn(ar, "failed to stop WMI vdev %i: %d\n", | |
1052 | arvif->vdev_id, ret); | |
1053 | return ret; | |
1054 | } | |
1055 | ||
1056 | ret = ath10k_vdev_setup_sync(ar); | |
1057 | if (ret) { | |
1058 | ath10k_warn(ar, "failed to syncronise setup for vdev %i: %d\n", | |
1059 | arvif->vdev_id, ret); | |
1060 | return ret; | |
1061 | } | |
1062 | ||
1063 | WARN_ON(ar->num_started_vdevs == 0); | |
1064 | ||
1065 | if (ar->num_started_vdevs != 0) { | |
1066 | ar->num_started_vdevs--; | |
1067 | ath10k_recalc_radar_detection(ar); | |
1068 | } | |
1069 | ||
1070 | return ret; | |
1071 | } | |
1072 | ||
dc55e307 | 1073 | static int ath10k_vdev_start_restart(struct ath10k_vif *arvif, bool restart) |
72654fa7 MK |
1074 | { |
1075 | struct ath10k *ar = arvif->ar; | |
1076 | struct cfg80211_chan_def *chandef = &ar->chandef; | |
1077 | struct wmi_vdev_start_request_arg arg = {}; | |
54846213 | 1078 | int ret = 0, ret2; |
72654fa7 MK |
1079 | |
1080 | lockdep_assert_held(&ar->conf_mutex); | |
1081 | ||
1082 | reinit_completion(&ar->vdev_setup_done); | |
1083 | ||
1084 | arg.vdev_id = arvif->vdev_id; | |
1085 | arg.dtim_period = arvif->dtim_period; | |
1086 | arg.bcn_intval = arvif->beacon_interval; | |
1087 | ||
1088 | arg.channel.freq = chandef->chan->center_freq; | |
1089 | arg.channel.band_center_freq1 = chandef->center_freq1; | |
1090 | arg.channel.mode = chan_to_phymode(chandef); | |
1091 | ||
1092 | arg.channel.min_power = 0; | |
1093 | arg.channel.max_power = chandef->chan->max_power * 2; | |
1094 | arg.channel.max_reg_power = chandef->chan->max_reg_power * 2; | |
1095 | arg.channel.max_antenna_gain = chandef->chan->max_antenna_gain * 2; | |
1096 | ||
1097 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { | |
1098 | arg.ssid = arvif->u.ap.ssid; | |
1099 | arg.ssid_len = arvif->u.ap.ssid_len; | |
1100 | arg.hidden_ssid = arvif->u.ap.hidden_ssid; | |
1101 | ||
1102 | /* For now allow DFS for AP mode */ | |
1103 | arg.channel.chan_radar = | |
1104 | !!(chandef->chan->flags & IEEE80211_CHAN_RADAR); | |
1105 | } else if (arvif->vdev_type == WMI_VDEV_TYPE_IBSS) { | |
1106 | arg.ssid = arvif->vif->bss_conf.ssid; | |
1107 | arg.ssid_len = arvif->vif->bss_conf.ssid_len; | |
1108 | } | |
1109 | ||
7aa7a72a | 1110 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
72654fa7 MK |
1111 | "mac vdev %d start center_freq %d phymode %s\n", |
1112 | arg.vdev_id, arg.channel.freq, | |
1113 | ath10k_wmi_phymode_str(arg.channel.mode)); | |
1114 | ||
dc55e307 MK |
1115 | if (restart) |
1116 | ret = ath10k_wmi_vdev_restart(ar, &arg); | |
1117 | else | |
1118 | ret = ath10k_wmi_vdev_start(ar, &arg); | |
1119 | ||
72654fa7 | 1120 | if (ret) { |
7aa7a72a | 1121 | ath10k_warn(ar, "failed to start WMI vdev %i: %d\n", |
72654fa7 MK |
1122 | arg.vdev_id, ret); |
1123 | return ret; | |
1124 | } | |
1125 | ||
1126 | ret = ath10k_vdev_setup_sync(ar); | |
1127 | if (ret) { | |
60028a81 BG |
1128 | ath10k_warn(ar, |
1129 | "failed to synchronize setup for vdev %i restart %d: %d\n", | |
1130 | arg.vdev_id, restart, ret); | |
72654fa7 MK |
1131 | return ret; |
1132 | } | |
1133 | ||
d650097b MK |
1134 | ar->num_started_vdevs++; |
1135 | ath10k_recalc_radar_detection(ar); | |
1136 | ||
54846213 VT |
1137 | ret = ath10k_monitor_recalc(ar); |
1138 | if (ret) { | |
1139 | ath10k_warn(ar, "mac failed to recalc monitor for vdev %i restart %d: %d\n", | |
1140 | arg.vdev_id, restart, ret); | |
1141 | ret2 = ath10k_vdev_stop(arvif); | |
1142 | if (ret2) | |
1143 | ath10k_warn(ar, "mac failed to stop vdev %i restart %d: %d\n", | |
1144 | arg.vdev_id, restart, ret2); | |
1145 | } | |
1146 | ||
72654fa7 MK |
1147 | return ret; |
1148 | } | |
1149 | ||
dc55e307 MK |
1150 | static int ath10k_vdev_start(struct ath10k_vif *arvif) |
1151 | { | |
1152 | return ath10k_vdev_start_restart(arvif, false); | |
1153 | } | |
1154 | ||
1155 | static int ath10k_vdev_restart(struct ath10k_vif *arvif) | |
1156 | { | |
1157 | return ath10k_vdev_start_restart(arvif, true); | |
1158 | } | |
1159 | ||
fbb8f1b7 MK |
1160 | static int ath10k_mac_setup_bcn_p2p_ie(struct ath10k_vif *arvif, |
1161 | struct sk_buff *bcn) | |
1162 | { | |
1163 | struct ath10k *ar = arvif->ar; | |
1164 | struct ieee80211_mgmt *mgmt; | |
1165 | const u8 *p2p_ie; | |
1166 | int ret; | |
1167 | ||
1168 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP) | |
1169 | return 0; | |
1170 | ||
1171 | if (arvif->vdev_subtype != WMI_VDEV_SUBTYPE_P2P_GO) | |
1172 | return 0; | |
1173 | ||
1174 | mgmt = (void *)bcn->data; | |
1175 | p2p_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P, | |
1176 | mgmt->u.beacon.variable, | |
1177 | bcn->len - (mgmt->u.beacon.variable - | |
1178 | bcn->data)); | |
1179 | if (!p2p_ie) | |
1180 | return -ENOENT; | |
1181 | ||
1182 | ret = ath10k_wmi_p2p_go_bcn_ie(ar, arvif->vdev_id, p2p_ie); | |
1183 | if (ret) { | |
1184 | ath10k_warn(ar, "failed to submit p2p go bcn ie for vdev %i: %d\n", | |
1185 | arvif->vdev_id, ret); | |
1186 | return ret; | |
1187 | } | |
1188 | ||
1189 | return 0; | |
1190 | } | |
1191 | ||
1192 | static int ath10k_mac_remove_vendor_ie(struct sk_buff *skb, unsigned int oui, | |
1193 | u8 oui_type, size_t ie_offset) | |
1194 | { | |
1195 | size_t len; | |
1196 | const u8 *next; | |
1197 | const u8 *end; | |
1198 | u8 *ie; | |
1199 | ||
1200 | if (WARN_ON(skb->len < ie_offset)) | |
1201 | return -EINVAL; | |
1202 | ||
1203 | ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type, | |
1204 | skb->data + ie_offset, | |
1205 | skb->len - ie_offset); | |
1206 | if (!ie) | |
1207 | return -ENOENT; | |
1208 | ||
1209 | len = ie[1] + 2; | |
1210 | end = skb->data + skb->len; | |
1211 | next = ie + len; | |
1212 | ||
1213 | if (WARN_ON(next > end)) | |
1214 | return -EINVAL; | |
1215 | ||
1216 | memmove(ie, next, end - next); | |
1217 | skb_trim(skb, skb->len - len); | |
1218 | ||
1219 | return 0; | |
1220 | } | |
1221 | ||
1222 | static int ath10k_mac_setup_bcn_tmpl(struct ath10k_vif *arvif) | |
1223 | { | |
1224 | struct ath10k *ar = arvif->ar; | |
1225 | struct ieee80211_hw *hw = ar->hw; | |
1226 | struct ieee80211_vif *vif = arvif->vif; | |
1227 | struct ieee80211_mutable_offsets offs = {}; | |
1228 | struct sk_buff *bcn; | |
1229 | int ret; | |
1230 | ||
1231 | if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) | |
1232 | return 0; | |
1233 | ||
81a9a17d MK |
1234 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP && |
1235 | arvif->vdev_type != WMI_VDEV_TYPE_IBSS) | |
1236 | return 0; | |
1237 | ||
fbb8f1b7 MK |
1238 | bcn = ieee80211_beacon_get_template(hw, vif, &offs); |
1239 | if (!bcn) { | |
1240 | ath10k_warn(ar, "failed to get beacon template from mac80211\n"); | |
1241 | return -EPERM; | |
1242 | } | |
1243 | ||
1244 | ret = ath10k_mac_setup_bcn_p2p_ie(arvif, bcn); | |
1245 | if (ret) { | |
1246 | ath10k_warn(ar, "failed to setup p2p go bcn ie: %d\n", ret); | |
1247 | kfree_skb(bcn); | |
1248 | return ret; | |
1249 | } | |
1250 | ||
1251 | /* P2P IE is inserted by firmware automatically (as configured above) | |
1252 | * so remove it from the base beacon template to avoid duplicate P2P | |
1253 | * IEs in beacon frames. | |
1254 | */ | |
1255 | ath10k_mac_remove_vendor_ie(bcn, WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P, | |
1256 | offsetof(struct ieee80211_mgmt, | |
1257 | u.beacon.variable)); | |
1258 | ||
1259 | ret = ath10k_wmi_bcn_tmpl(ar, arvif->vdev_id, offs.tim_offset, bcn, 0, | |
1260 | 0, NULL, 0); | |
1261 | kfree_skb(bcn); | |
1262 | ||
1263 | if (ret) { | |
1264 | ath10k_warn(ar, "failed to submit beacon template command: %d\n", | |
1265 | ret); | |
1266 | return ret; | |
1267 | } | |
1268 | ||
1269 | return 0; | |
1270 | } | |
1271 | ||
1272 | static int ath10k_mac_setup_prb_tmpl(struct ath10k_vif *arvif) | |
1273 | { | |
1274 | struct ath10k *ar = arvif->ar; | |
1275 | struct ieee80211_hw *hw = ar->hw; | |
1276 | struct ieee80211_vif *vif = arvif->vif; | |
1277 | struct sk_buff *prb; | |
1278 | int ret; | |
1279 | ||
1280 | if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) | |
1281 | return 0; | |
1282 | ||
81a9a17d MK |
1283 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP) |
1284 | return 0; | |
1285 | ||
fbb8f1b7 MK |
1286 | prb = ieee80211_proberesp_get(hw, vif); |
1287 | if (!prb) { | |
1288 | ath10k_warn(ar, "failed to get probe resp template from mac80211\n"); | |
1289 | return -EPERM; | |
1290 | } | |
1291 | ||
1292 | ret = ath10k_wmi_prb_tmpl(ar, arvif->vdev_id, prb); | |
1293 | kfree_skb(prb); | |
1294 | ||
1295 | if (ret) { | |
1296 | ath10k_warn(ar, "failed to submit probe resp template command: %d\n", | |
1297 | ret); | |
1298 | return ret; | |
1299 | } | |
1300 | ||
1301 | return 0; | |
1302 | } | |
1303 | ||
5e3dd157 | 1304 | static void ath10k_control_beaconing(struct ath10k_vif *arvif, |
5b07e07f | 1305 | struct ieee80211_bss_conf *info) |
5e3dd157 | 1306 | { |
7aa7a72a | 1307 | struct ath10k *ar = arvif->ar; |
5e3dd157 KV |
1308 | int ret = 0; |
1309 | ||
548db54c MK |
1310 | lockdep_assert_held(&arvif->ar->conf_mutex); |
1311 | ||
5e3dd157 KV |
1312 | if (!info->enable_beacon) { |
1313 | ath10k_vdev_stop(arvif); | |
c930f744 MK |
1314 | |
1315 | arvif->is_started = false; | |
1316 | arvif->is_up = false; | |
8513d95b MK |
1317 | |
1318 | spin_lock_bh(&arvif->ar->data_lock); | |
64badcb6 | 1319 | ath10k_mac_vif_beacon_free(arvif); |
748afc47 MK |
1320 | spin_unlock_bh(&arvif->ar->data_lock); |
1321 | ||
5e3dd157 KV |
1322 | return; |
1323 | } | |
1324 | ||
1325 | arvif->tx_seq_no = 0x1000; | |
1326 | ||
1327 | ret = ath10k_vdev_start(arvif); | |
1328 | if (ret) | |
1329 | return; | |
1330 | ||
c930f744 | 1331 | arvif->aid = 0; |
b25f32cb | 1332 | ether_addr_copy(arvif->bssid, info->bssid); |
c930f744 MK |
1333 | |
1334 | ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid, | |
1335 | arvif->bssid); | |
5e3dd157 | 1336 | if (ret) { |
7aa7a72a | 1337 | ath10k_warn(ar, "failed to bring up vdev %d: %i\n", |
69244e56 | 1338 | arvif->vdev_id, ret); |
c930f744 | 1339 | ath10k_vdev_stop(arvif); |
5e3dd157 KV |
1340 | return; |
1341 | } | |
c930f744 MK |
1342 | |
1343 | arvif->is_started = true; | |
1344 | arvif->is_up = true; | |
1345 | ||
7aa7a72a | 1346 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d up\n", arvif->vdev_id); |
5e3dd157 KV |
1347 | } |
1348 | ||
1349 | static void ath10k_control_ibss(struct ath10k_vif *arvif, | |
1350 | struct ieee80211_bss_conf *info, | |
1351 | const u8 self_peer[ETH_ALEN]) | |
1352 | { | |
7aa7a72a | 1353 | struct ath10k *ar = arvif->ar; |
6d1506e7 | 1354 | u32 vdev_param; |
5e3dd157 KV |
1355 | int ret = 0; |
1356 | ||
548db54c MK |
1357 | lockdep_assert_held(&arvif->ar->conf_mutex); |
1358 | ||
5e3dd157 KV |
1359 | if (!info->ibss_joined) { |
1360 | ret = ath10k_peer_delete(arvif->ar, arvif->vdev_id, self_peer); | |
1361 | if (ret) | |
7aa7a72a | 1362 | ath10k_warn(ar, "failed to delete IBSS self peer %pM for vdev %d: %d\n", |
5e3dd157 KV |
1363 | self_peer, arvif->vdev_id, ret); |
1364 | ||
c930f744 | 1365 | if (is_zero_ether_addr(arvif->bssid)) |
5e3dd157 KV |
1366 | return; |
1367 | ||
c930f744 | 1368 | memset(arvif->bssid, 0, ETH_ALEN); |
5e3dd157 KV |
1369 | |
1370 | return; | |
1371 | } | |
1372 | ||
7390ed34 MP |
1373 | ret = ath10k_peer_create(arvif->ar, arvif->vdev_id, self_peer, |
1374 | WMI_PEER_TYPE_DEFAULT); | |
5e3dd157 | 1375 | if (ret) { |
7aa7a72a | 1376 | ath10k_warn(ar, "failed to create IBSS self peer %pM for vdev %d: %d\n", |
5e3dd157 KV |
1377 | self_peer, arvif->vdev_id, ret); |
1378 | return; | |
1379 | } | |
1380 | ||
6d1506e7 BM |
1381 | vdev_param = arvif->ar->wmi.vdev_param->atim_window; |
1382 | ret = ath10k_wmi_vdev_set_param(arvif->ar, arvif->vdev_id, vdev_param, | |
5e3dd157 KV |
1383 | ATH10K_DEFAULT_ATIM); |
1384 | if (ret) | |
7aa7a72a | 1385 | ath10k_warn(ar, "failed to set IBSS ATIM for vdev %d: %d\n", |
5e3dd157 KV |
1386 | arvif->vdev_id, ret); |
1387 | } | |
1388 | ||
9f9b5746 MK |
1389 | static int ath10k_mac_vif_recalc_ps_wake_threshold(struct ath10k_vif *arvif) |
1390 | { | |
1391 | struct ath10k *ar = arvif->ar; | |
1392 | u32 param; | |
1393 | u32 value; | |
1394 | int ret; | |
1395 | ||
1396 | lockdep_assert_held(&arvif->ar->conf_mutex); | |
1397 | ||
1398 | if (arvif->u.sta.uapsd) | |
1399 | value = WMI_STA_PS_TX_WAKE_THRESHOLD_NEVER; | |
1400 | else | |
1401 | value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS; | |
1402 | ||
1403 | param = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD; | |
1404 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param, value); | |
1405 | if (ret) { | |
1406 | ath10k_warn(ar, "failed to submit ps wake threshold %u on vdev %i: %d\n", | |
1407 | value, arvif->vdev_id, ret); | |
1408 | return ret; | |
1409 | } | |
1410 | ||
1411 | return 0; | |
1412 | } | |
1413 | ||
1414 | static int ath10k_mac_vif_recalc_ps_poll_count(struct ath10k_vif *arvif) | |
1415 | { | |
1416 | struct ath10k *ar = arvif->ar; | |
1417 | u32 param; | |
1418 | u32 value; | |
1419 | int ret; | |
1420 | ||
1421 | lockdep_assert_held(&arvif->ar->conf_mutex); | |
1422 | ||
1423 | if (arvif->u.sta.uapsd) | |
1424 | value = WMI_STA_PS_PSPOLL_COUNT_UAPSD; | |
1425 | else | |
1426 | value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX; | |
1427 | ||
1428 | param = WMI_STA_PS_PARAM_PSPOLL_COUNT; | |
1429 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
1430 | param, value); | |
1431 | if (ret) { | |
1432 | ath10k_warn(ar, "failed to submit ps poll count %u on vdev %i: %d\n", | |
1433 | value, arvif->vdev_id, ret); | |
1434 | return ret; | |
1435 | } | |
1436 | ||
1437 | return 0; | |
1438 | } | |
1439 | ||
cffb41f3 MK |
1440 | static int ath10k_mac_ps_vif_count(struct ath10k *ar) |
1441 | { | |
1442 | struct ath10k_vif *arvif; | |
1443 | int num = 0; | |
1444 | ||
1445 | lockdep_assert_held(&ar->conf_mutex); | |
1446 | ||
1447 | list_for_each_entry(arvif, &ar->arvifs, list) | |
1448 | if (arvif->ps) | |
1449 | num++; | |
1450 | ||
1451 | return num; | |
1452 | } | |
1453 | ||
ad088bfa | 1454 | static int ath10k_mac_vif_setup_ps(struct ath10k_vif *arvif) |
5e3dd157 | 1455 | { |
ad088bfa | 1456 | struct ath10k *ar = arvif->ar; |
526549a8 | 1457 | struct ieee80211_vif *vif = arvif->vif; |
ad088bfa | 1458 | struct ieee80211_conf *conf = &ar->hw->conf; |
5e3dd157 KV |
1459 | enum wmi_sta_powersave_param param; |
1460 | enum wmi_sta_ps_mode psmode; | |
1461 | int ret; | |
526549a8 | 1462 | int ps_timeout; |
cffb41f3 | 1463 | bool enable_ps; |
5e3dd157 | 1464 | |
548db54c MK |
1465 | lockdep_assert_held(&arvif->ar->conf_mutex); |
1466 | ||
ad088bfa MK |
1467 | if (arvif->vif->type != NL80211_IFTYPE_STATION) |
1468 | return 0; | |
5e3dd157 | 1469 | |
cffb41f3 MK |
1470 | enable_ps = arvif->ps; |
1471 | ||
1472 | if (enable_ps && ath10k_mac_ps_vif_count(ar) > 1 && | |
1473 | !test_bit(ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT, | |
1474 | ar->fw_features)) { | |
1475 | ath10k_warn(ar, "refusing to enable ps on vdev %i: not supported by fw\n", | |
1476 | arvif->vdev_id); | |
1477 | enable_ps = false; | |
1478 | } | |
1479 | ||
1480 | if (enable_ps) { | |
5e3dd157 KV |
1481 | psmode = WMI_STA_PS_MODE_ENABLED; |
1482 | param = WMI_STA_PS_PARAM_INACTIVITY_TIME; | |
1483 | ||
526549a8 MK |
1484 | ps_timeout = conf->dynamic_ps_timeout; |
1485 | if (ps_timeout == 0) { | |
1486 | /* Firmware doesn't like 0 */ | |
1487 | ps_timeout = ieee80211_tu_to_usec( | |
1488 | vif->bss_conf.beacon_int) / 1000; | |
1489 | } | |
1490 | ||
ad088bfa | 1491 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param, |
526549a8 | 1492 | ps_timeout); |
5e3dd157 | 1493 | if (ret) { |
7aa7a72a | 1494 | ath10k_warn(ar, "failed to set inactivity time for vdev %d: %i\n", |
69244e56 | 1495 | arvif->vdev_id, ret); |
ad088bfa | 1496 | return ret; |
5e3dd157 | 1497 | } |
5e3dd157 KV |
1498 | } else { |
1499 | psmode = WMI_STA_PS_MODE_DISABLED; | |
1500 | } | |
1501 | ||
7aa7a72a | 1502 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d psmode %s\n", |
60c3daa8 KV |
1503 | arvif->vdev_id, psmode ? "enable" : "disable"); |
1504 | ||
ad088bfa MK |
1505 | ret = ath10k_wmi_set_psmode(ar, arvif->vdev_id, psmode); |
1506 | if (ret) { | |
7aa7a72a | 1507 | ath10k_warn(ar, "failed to set PS Mode %d for vdev %d: %d\n", |
be6546fc | 1508 | psmode, arvif->vdev_id, ret); |
ad088bfa MK |
1509 | return ret; |
1510 | } | |
1511 | ||
1512 | return 0; | |
5e3dd157 KV |
1513 | } |
1514 | ||
46725b15 MK |
1515 | static int ath10k_mac_vif_disable_keepalive(struct ath10k_vif *arvif) |
1516 | { | |
1517 | struct ath10k *ar = arvif->ar; | |
1518 | struct wmi_sta_keepalive_arg arg = {}; | |
1519 | int ret; | |
1520 | ||
1521 | lockdep_assert_held(&arvif->ar->conf_mutex); | |
1522 | ||
1523 | if (arvif->vdev_type != WMI_VDEV_TYPE_STA) | |
1524 | return 0; | |
1525 | ||
1526 | if (!test_bit(WMI_SERVICE_STA_KEEP_ALIVE, ar->wmi.svc_map)) | |
1527 | return 0; | |
1528 | ||
1529 | /* Some firmware revisions have a bug and ignore the `enabled` field. | |
1530 | * Instead use the interval to disable the keepalive. | |
1531 | */ | |
1532 | arg.vdev_id = arvif->vdev_id; | |
1533 | arg.enabled = 1; | |
1534 | arg.method = WMI_STA_KEEPALIVE_METHOD_NULL_FRAME; | |
1535 | arg.interval = WMI_STA_KEEPALIVE_INTERVAL_DISABLE; | |
1536 | ||
1537 | ret = ath10k_wmi_sta_keepalive(ar, &arg); | |
1538 | if (ret) { | |
1539 | ath10k_warn(ar, "failed to submit keepalive on vdev %i: %d\n", | |
1540 | arvif->vdev_id, ret); | |
1541 | return ret; | |
1542 | } | |
1543 | ||
1544 | return 0; | |
1545 | } | |
1546 | ||
81a9a17d MK |
1547 | static void ath10k_mac_vif_ap_csa_count_down(struct ath10k_vif *arvif) |
1548 | { | |
1549 | struct ath10k *ar = arvif->ar; | |
1550 | struct ieee80211_vif *vif = arvif->vif; | |
1551 | int ret; | |
1552 | ||
8513d95b MK |
1553 | lockdep_assert_held(&arvif->ar->conf_mutex); |
1554 | ||
1555 | if (WARN_ON(!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))) | |
1556 | return; | |
1557 | ||
81a9a17d MK |
1558 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP) |
1559 | return; | |
1560 | ||
1561 | if (!vif->csa_active) | |
1562 | return; | |
1563 | ||
1564 | if (!arvif->is_up) | |
1565 | return; | |
1566 | ||
1567 | if (!ieee80211_csa_is_complete(vif)) { | |
1568 | ieee80211_csa_update_counter(vif); | |
1569 | ||
1570 | ret = ath10k_mac_setup_bcn_tmpl(arvif); | |
1571 | if (ret) | |
1572 | ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n", | |
1573 | ret); | |
1574 | ||
1575 | ret = ath10k_mac_setup_prb_tmpl(arvif); | |
1576 | if (ret) | |
1577 | ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n", | |
1578 | ret); | |
1579 | } else { | |
1580 | ieee80211_csa_finish(vif); | |
1581 | } | |
1582 | } | |
1583 | ||
1584 | static void ath10k_mac_vif_ap_csa_work(struct work_struct *work) | |
1585 | { | |
1586 | struct ath10k_vif *arvif = container_of(work, struct ath10k_vif, | |
1587 | ap_csa_work); | |
1588 | struct ath10k *ar = arvif->ar; | |
1589 | ||
1590 | mutex_lock(&ar->conf_mutex); | |
1591 | ath10k_mac_vif_ap_csa_count_down(arvif); | |
1592 | mutex_unlock(&ar->conf_mutex); | |
1593 | } | |
1594 | ||
cc9904e6 MK |
1595 | static void ath10k_mac_handle_beacon_iter(void *data, u8 *mac, |
1596 | struct ieee80211_vif *vif) | |
1597 | { | |
1598 | struct sk_buff *skb = data; | |
1599 | struct ieee80211_mgmt *mgmt = (void *)skb->data; | |
1600 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
1601 | ||
1602 | if (vif->type != NL80211_IFTYPE_STATION) | |
1603 | return; | |
1604 | ||
1605 | if (!ether_addr_equal(mgmt->bssid, vif->bss_conf.bssid)) | |
1606 | return; | |
1607 | ||
1608 | cancel_delayed_work(&arvif->connection_loss_work); | |
1609 | } | |
1610 | ||
1611 | void ath10k_mac_handle_beacon(struct ath10k *ar, struct sk_buff *skb) | |
1612 | { | |
1613 | ieee80211_iterate_active_interfaces_atomic(ar->hw, | |
1614 | IEEE80211_IFACE_ITER_NORMAL, | |
1615 | ath10k_mac_handle_beacon_iter, | |
1616 | skb); | |
1617 | } | |
1618 | ||
1619 | static void ath10k_mac_handle_beacon_miss_iter(void *data, u8 *mac, | |
1620 | struct ieee80211_vif *vif) | |
1621 | { | |
1622 | u32 *vdev_id = data; | |
1623 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
1624 | struct ath10k *ar = arvif->ar; | |
1625 | struct ieee80211_hw *hw = ar->hw; | |
1626 | ||
1627 | if (arvif->vdev_id != *vdev_id) | |
1628 | return; | |
1629 | ||
1630 | if (!arvif->is_up) | |
1631 | return; | |
1632 | ||
1633 | ieee80211_beacon_loss(vif); | |
1634 | ||
1635 | /* Firmware doesn't report beacon loss events repeatedly. If AP probe | |
1636 | * (done by mac80211) succeeds but beacons do not resume then it | |
1637 | * doesn't make sense to continue operation. Queue connection loss work | |
1638 | * which can be cancelled when beacon is received. | |
1639 | */ | |
1640 | ieee80211_queue_delayed_work(hw, &arvif->connection_loss_work, | |
1641 | ATH10K_CONNECTION_LOSS_HZ); | |
1642 | } | |
1643 | ||
1644 | void ath10k_mac_handle_beacon_miss(struct ath10k *ar, u32 vdev_id) | |
1645 | { | |
1646 | ieee80211_iterate_active_interfaces_atomic(ar->hw, | |
1647 | IEEE80211_IFACE_ITER_NORMAL, | |
1648 | ath10k_mac_handle_beacon_miss_iter, | |
1649 | &vdev_id); | |
1650 | } | |
1651 | ||
1652 | static void ath10k_mac_vif_sta_connection_loss_work(struct work_struct *work) | |
1653 | { | |
1654 | struct ath10k_vif *arvif = container_of(work, struct ath10k_vif, | |
1655 | connection_loss_work.work); | |
1656 | struct ieee80211_vif *vif = arvif->vif; | |
1657 | ||
1658 | if (!arvif->is_up) | |
1659 | return; | |
1660 | ||
1661 | ieee80211_connection_loss(vif); | |
1662 | } | |
1663 | ||
5e3dd157 KV |
1664 | /**********************/ |
1665 | /* Station management */ | |
1666 | /**********************/ | |
1667 | ||
590922a8 MK |
1668 | static u32 ath10k_peer_assoc_h_listen_intval(struct ath10k *ar, |
1669 | struct ieee80211_vif *vif) | |
1670 | { | |
1671 | /* Some firmware revisions have unstable STA powersave when listen | |
1672 | * interval is set too high (e.g. 5). The symptoms are firmware doesn't | |
1673 | * generate NullFunc frames properly even if buffered frames have been | |
1674 | * indicated in Beacon TIM. Firmware would seldom wake up to pull | |
1675 | * buffered frames. Often pinging the device from AP would simply fail. | |
1676 | * | |
1677 | * As a workaround set it to 1. | |
1678 | */ | |
1679 | if (vif->type == NL80211_IFTYPE_STATION) | |
1680 | return 1; | |
1681 | ||
1682 | return ar->hw->conf.listen_interval; | |
1683 | } | |
1684 | ||
5e3dd157 | 1685 | static void ath10k_peer_assoc_h_basic(struct ath10k *ar, |
590922a8 | 1686 | struct ieee80211_vif *vif, |
5e3dd157 | 1687 | struct ieee80211_sta *sta, |
5e3dd157 KV |
1688 | struct wmi_peer_assoc_complete_arg *arg) |
1689 | { | |
590922a8 MK |
1690 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
1691 | ||
548db54c MK |
1692 | lockdep_assert_held(&ar->conf_mutex); |
1693 | ||
b25f32cb | 1694 | ether_addr_copy(arg->addr, sta->addr); |
5e3dd157 KV |
1695 | arg->vdev_id = arvif->vdev_id; |
1696 | arg->peer_aid = sta->aid; | |
1697 | arg->peer_flags |= WMI_PEER_AUTH; | |
590922a8 | 1698 | arg->peer_listen_intval = ath10k_peer_assoc_h_listen_intval(ar, vif); |
5e3dd157 | 1699 | arg->peer_num_spatial_streams = 1; |
590922a8 | 1700 | arg->peer_caps = vif->bss_conf.assoc_capability; |
5e3dd157 KV |
1701 | } |
1702 | ||
1703 | static void ath10k_peer_assoc_h_crypto(struct ath10k *ar, | |
590922a8 | 1704 | struct ieee80211_vif *vif, |
5e3dd157 KV |
1705 | struct wmi_peer_assoc_complete_arg *arg) |
1706 | { | |
5e3dd157 KV |
1707 | struct ieee80211_bss_conf *info = &vif->bss_conf; |
1708 | struct cfg80211_bss *bss; | |
1709 | const u8 *rsnie = NULL; | |
1710 | const u8 *wpaie = NULL; | |
1711 | ||
548db54c MK |
1712 | lockdep_assert_held(&ar->conf_mutex); |
1713 | ||
5e3dd157 | 1714 | bss = cfg80211_get_bss(ar->hw->wiphy, ar->hw->conf.chandef.chan, |
6eb18137 DL |
1715 | info->bssid, NULL, 0, IEEE80211_BSS_TYPE_ANY, |
1716 | IEEE80211_PRIVACY_ANY); | |
5e3dd157 KV |
1717 | if (bss) { |
1718 | const struct cfg80211_bss_ies *ies; | |
1719 | ||
1720 | rcu_read_lock(); | |
1721 | rsnie = ieee80211_bss_get_ie(bss, WLAN_EID_RSN); | |
1722 | ||
1723 | ies = rcu_dereference(bss->ies); | |
1724 | ||
1725 | wpaie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, | |
5b07e07f KV |
1726 | WLAN_OUI_TYPE_MICROSOFT_WPA, |
1727 | ies->data, | |
1728 | ies->len); | |
5e3dd157 KV |
1729 | rcu_read_unlock(); |
1730 | cfg80211_put_bss(ar->hw->wiphy, bss); | |
1731 | } | |
1732 | ||
1733 | /* FIXME: base on RSN IE/WPA IE is a correct idea? */ | |
1734 | if (rsnie || wpaie) { | |
7aa7a72a | 1735 | ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: rsn ie found\n", __func__); |
5e3dd157 KV |
1736 | arg->peer_flags |= WMI_PEER_NEED_PTK_4_WAY; |
1737 | } | |
1738 | ||
1739 | if (wpaie) { | |
7aa7a72a | 1740 | ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: wpa ie found\n", __func__); |
5e3dd157 KV |
1741 | arg->peer_flags |= WMI_PEER_NEED_GTK_2_WAY; |
1742 | } | |
1743 | } | |
1744 | ||
1745 | static void ath10k_peer_assoc_h_rates(struct ath10k *ar, | |
1746 | struct ieee80211_sta *sta, | |
1747 | struct wmi_peer_assoc_complete_arg *arg) | |
1748 | { | |
1749 | struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates; | |
1750 | const struct ieee80211_supported_band *sband; | |
1751 | const struct ieee80211_rate *rates; | |
1752 | u32 ratemask; | |
486017cc | 1753 | u8 rate; |
5e3dd157 KV |
1754 | int i; |
1755 | ||
548db54c MK |
1756 | lockdep_assert_held(&ar->conf_mutex); |
1757 | ||
5e3dd157 KV |
1758 | sband = ar->hw->wiphy->bands[ar->hw->conf.chandef.chan->band]; |
1759 | ratemask = sta->supp_rates[ar->hw->conf.chandef.chan->band]; | |
1760 | rates = sband->bitrates; | |
1761 | ||
1762 | rateset->num_rates = 0; | |
1763 | ||
1764 | for (i = 0; i < 32; i++, ratemask >>= 1, rates++) { | |
1765 | if (!(ratemask & 1)) | |
1766 | continue; | |
1767 | ||
486017cc MK |
1768 | rate = ath10k_mac_bitrate_to_rate(rates->bitrate); |
1769 | rateset->rates[rateset->num_rates] = rate; | |
5e3dd157 KV |
1770 | rateset->num_rates++; |
1771 | } | |
1772 | } | |
1773 | ||
1774 | static void ath10k_peer_assoc_h_ht(struct ath10k *ar, | |
1775 | struct ieee80211_sta *sta, | |
1776 | struct wmi_peer_assoc_complete_arg *arg) | |
1777 | { | |
1778 | const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; | |
5e3dd157 | 1779 | int i, n; |
af762c0b | 1780 | u32 stbc; |
5e3dd157 | 1781 | |
548db54c MK |
1782 | lockdep_assert_held(&ar->conf_mutex); |
1783 | ||
5e3dd157 KV |
1784 | if (!ht_cap->ht_supported) |
1785 | return; | |
1786 | ||
1787 | arg->peer_flags |= WMI_PEER_HT; | |
1788 | arg->peer_max_mpdu = (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR + | |
1789 | ht_cap->ampdu_factor)) - 1; | |
1790 | ||
1791 | arg->peer_mpdu_density = | |
1792 | ath10k_parse_mpdudensity(ht_cap->ampdu_density); | |
1793 | ||
1794 | arg->peer_ht_caps = ht_cap->cap; | |
1795 | arg->peer_rate_caps |= WMI_RC_HT_FLAG; | |
1796 | ||
1797 | if (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING) | |
1798 | arg->peer_flags |= WMI_PEER_LDPC; | |
1799 | ||
1800 | if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) { | |
1801 | arg->peer_flags |= WMI_PEER_40MHZ; | |
1802 | arg->peer_rate_caps |= WMI_RC_CW40_FLAG; | |
1803 | } | |
1804 | ||
1805 | if (ht_cap->cap & IEEE80211_HT_CAP_SGI_20) | |
1806 | arg->peer_rate_caps |= WMI_RC_SGI_FLAG; | |
1807 | ||
1808 | if (ht_cap->cap & IEEE80211_HT_CAP_SGI_40) | |
1809 | arg->peer_rate_caps |= WMI_RC_SGI_FLAG; | |
1810 | ||
1811 | if (ht_cap->cap & IEEE80211_HT_CAP_TX_STBC) { | |
1812 | arg->peer_rate_caps |= WMI_RC_TX_STBC_FLAG; | |
1813 | arg->peer_flags |= WMI_PEER_STBC; | |
1814 | } | |
1815 | ||
1816 | if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) { | |
5e3dd157 KV |
1817 | stbc = ht_cap->cap & IEEE80211_HT_CAP_RX_STBC; |
1818 | stbc = stbc >> IEEE80211_HT_CAP_RX_STBC_SHIFT; | |
1819 | stbc = stbc << WMI_RC_RX_STBC_FLAG_S; | |
1820 | arg->peer_rate_caps |= stbc; | |
1821 | arg->peer_flags |= WMI_PEER_STBC; | |
1822 | } | |
1823 | ||
5e3dd157 KV |
1824 | if (ht_cap->mcs.rx_mask[1] && ht_cap->mcs.rx_mask[2]) |
1825 | arg->peer_rate_caps |= WMI_RC_TS_FLAG; | |
1826 | else if (ht_cap->mcs.rx_mask[1]) | |
1827 | arg->peer_rate_caps |= WMI_RC_DS_FLAG; | |
1828 | ||
1829 | for (i = 0, n = 0; i < IEEE80211_HT_MCS_MASK_LEN*8; i++) | |
1830 | if (ht_cap->mcs.rx_mask[i/8] & (1 << i%8)) | |
1831 | arg->peer_ht_rates.rates[n++] = i; | |
1832 | ||
fd71f807 BM |
1833 | /* |
1834 | * This is a workaround for HT-enabled STAs which break the spec | |
1835 | * and have no HT capabilities RX mask (no HT RX MCS map). | |
1836 | * | |
1837 | * As per spec, in section 20.3.5 Modulation and coding scheme (MCS), | |
1838 | * MCS 0 through 7 are mandatory in 20MHz with 800 ns GI at all STAs. | |
1839 | * | |
1840 | * Firmware asserts if such situation occurs. | |
1841 | */ | |
1842 | if (n == 0) { | |
1843 | arg->peer_ht_rates.num_rates = 8; | |
1844 | for (i = 0; i < arg->peer_ht_rates.num_rates; i++) | |
1845 | arg->peer_ht_rates.rates[i] = i; | |
1846 | } else { | |
1847 | arg->peer_ht_rates.num_rates = n; | |
1848 | arg->peer_num_spatial_streams = sta->rx_nss; | |
1849 | } | |
5e3dd157 | 1850 | |
7aa7a72a | 1851 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ht peer %pM mcs cnt %d nss %d\n", |
60c3daa8 | 1852 | arg->addr, |
5e3dd157 KV |
1853 | arg->peer_ht_rates.num_rates, |
1854 | arg->peer_num_spatial_streams); | |
1855 | } | |
1856 | ||
d3d3ff42 JD |
1857 | static int ath10k_peer_assoc_qos_ap(struct ath10k *ar, |
1858 | struct ath10k_vif *arvif, | |
1859 | struct ieee80211_sta *sta) | |
5e3dd157 KV |
1860 | { |
1861 | u32 uapsd = 0; | |
1862 | u32 max_sp = 0; | |
d3d3ff42 | 1863 | int ret = 0; |
5e3dd157 | 1864 | |
548db54c MK |
1865 | lockdep_assert_held(&ar->conf_mutex); |
1866 | ||
5e3dd157 | 1867 | if (sta->wme && sta->uapsd_queues) { |
7aa7a72a | 1868 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac uapsd_queues 0x%x max_sp %d\n", |
5e3dd157 KV |
1869 | sta->uapsd_queues, sta->max_sp); |
1870 | ||
5e3dd157 KV |
1871 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) |
1872 | uapsd |= WMI_AP_PS_UAPSD_AC3_DELIVERY_EN | | |
1873 | WMI_AP_PS_UAPSD_AC3_TRIGGER_EN; | |
1874 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI) | |
1875 | uapsd |= WMI_AP_PS_UAPSD_AC2_DELIVERY_EN | | |
1876 | WMI_AP_PS_UAPSD_AC2_TRIGGER_EN; | |
1877 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK) | |
1878 | uapsd |= WMI_AP_PS_UAPSD_AC1_DELIVERY_EN | | |
1879 | WMI_AP_PS_UAPSD_AC1_TRIGGER_EN; | |
1880 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE) | |
1881 | uapsd |= WMI_AP_PS_UAPSD_AC0_DELIVERY_EN | | |
1882 | WMI_AP_PS_UAPSD_AC0_TRIGGER_EN; | |
1883 | ||
5e3dd157 KV |
1884 | if (sta->max_sp < MAX_WMI_AP_PS_PEER_PARAM_MAX_SP) |
1885 | max_sp = sta->max_sp; | |
1886 | ||
d3d3ff42 JD |
1887 | ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, |
1888 | sta->addr, | |
1889 | WMI_AP_PS_PEER_PARAM_UAPSD, | |
1890 | uapsd); | |
1891 | if (ret) { | |
7aa7a72a | 1892 | ath10k_warn(ar, "failed to set ap ps peer param uapsd for vdev %i: %d\n", |
69244e56 | 1893 | arvif->vdev_id, ret); |
d3d3ff42 JD |
1894 | return ret; |
1895 | } | |
5e3dd157 | 1896 | |
d3d3ff42 JD |
1897 | ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, |
1898 | sta->addr, | |
1899 | WMI_AP_PS_PEER_PARAM_MAX_SP, | |
1900 | max_sp); | |
1901 | if (ret) { | |
7aa7a72a | 1902 | ath10k_warn(ar, "failed to set ap ps peer param max sp for vdev %i: %d\n", |
69244e56 | 1903 | arvif->vdev_id, ret); |
d3d3ff42 JD |
1904 | return ret; |
1905 | } | |
5e3dd157 KV |
1906 | |
1907 | /* TODO setup this based on STA listen interval and | |
1908 | beacon interval. Currently we don't know | |
1909 | sta->listen_interval - mac80211 patch required. | |
1910 | Currently use 10 seconds */ | |
d3d3ff42 | 1911 | ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, sta->addr, |
5b07e07f KV |
1912 | WMI_AP_PS_PEER_PARAM_AGEOUT_TIME, |
1913 | 10); | |
d3d3ff42 | 1914 | if (ret) { |
7aa7a72a | 1915 | ath10k_warn(ar, "failed to set ap ps peer param ageout time for vdev %i: %d\n", |
69244e56 | 1916 | arvif->vdev_id, ret); |
d3d3ff42 JD |
1917 | return ret; |
1918 | } | |
5e3dd157 | 1919 | } |
5e3dd157 | 1920 | |
d3d3ff42 | 1921 | return 0; |
5e3dd157 KV |
1922 | } |
1923 | ||
1924 | static void ath10k_peer_assoc_h_vht(struct ath10k *ar, | |
1925 | struct ieee80211_sta *sta, | |
1926 | struct wmi_peer_assoc_complete_arg *arg) | |
1927 | { | |
1928 | const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap; | |
a24b88b5 | 1929 | u8 ampdu_factor; |
5e3dd157 KV |
1930 | |
1931 | if (!vht_cap->vht_supported) | |
1932 | return; | |
1933 | ||
1934 | arg->peer_flags |= WMI_PEER_VHT; | |
d68bb12a YL |
1935 | |
1936 | if (ar->hw->conf.chandef.chan->band == IEEE80211_BAND_2GHZ) | |
1937 | arg->peer_flags |= WMI_PEER_VHT_2G; | |
1938 | ||
5e3dd157 KV |
1939 | arg->peer_vht_caps = vht_cap->cap; |
1940 | ||
a24b88b5 SM |
1941 | ampdu_factor = (vht_cap->cap & |
1942 | IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >> | |
1943 | IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT; | |
1944 | ||
1945 | /* Workaround: Some Netgear/Linksys 11ac APs set Rx A-MPDU factor to | |
1946 | * zero in VHT IE. Using it would result in degraded throughput. | |
1947 | * arg->peer_max_mpdu at this point contains HT max_mpdu so keep | |
1948 | * it if VHT max_mpdu is smaller. */ | |
1949 | arg->peer_max_mpdu = max(arg->peer_max_mpdu, | |
1950 | (1U << (IEEE80211_HT_MAX_AMPDU_FACTOR + | |
1951 | ampdu_factor)) - 1); | |
1952 | ||
5e3dd157 KV |
1953 | if (sta->bandwidth == IEEE80211_STA_RX_BW_80) |
1954 | arg->peer_flags |= WMI_PEER_80MHZ; | |
1955 | ||
1956 | arg->peer_vht_rates.rx_max_rate = | |
1957 | __le16_to_cpu(vht_cap->vht_mcs.rx_highest); | |
1958 | arg->peer_vht_rates.rx_mcs_set = | |
1959 | __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map); | |
1960 | arg->peer_vht_rates.tx_max_rate = | |
1961 | __le16_to_cpu(vht_cap->vht_mcs.tx_highest); | |
1962 | arg->peer_vht_rates.tx_mcs_set = | |
1963 | __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map); | |
1964 | ||
7aa7a72a | 1965 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vht peer %pM max_mpdu %d flags 0x%x\n", |
60c3daa8 | 1966 | sta->addr, arg->peer_max_mpdu, arg->peer_flags); |
5e3dd157 KV |
1967 | } |
1968 | ||
1969 | static void ath10k_peer_assoc_h_qos(struct ath10k *ar, | |
590922a8 | 1970 | struct ieee80211_vif *vif, |
5e3dd157 | 1971 | struct ieee80211_sta *sta, |
5e3dd157 KV |
1972 | struct wmi_peer_assoc_complete_arg *arg) |
1973 | { | |
590922a8 MK |
1974 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
1975 | ||
5e3dd157 KV |
1976 | switch (arvif->vdev_type) { |
1977 | case WMI_VDEV_TYPE_AP: | |
d3d3ff42 JD |
1978 | if (sta->wme) |
1979 | arg->peer_flags |= WMI_PEER_QOS; | |
1980 | ||
1981 | if (sta->wme && sta->uapsd_queues) { | |
1982 | arg->peer_flags |= WMI_PEER_APSD; | |
1983 | arg->peer_rate_caps |= WMI_RC_UAPSD_FLAG; | |
1984 | } | |
5e3dd157 KV |
1985 | break; |
1986 | case WMI_VDEV_TYPE_STA: | |
590922a8 | 1987 | if (vif->bss_conf.qos) |
d3d3ff42 | 1988 | arg->peer_flags |= WMI_PEER_QOS; |
5e3dd157 | 1989 | break; |
627d9841 JD |
1990 | case WMI_VDEV_TYPE_IBSS: |
1991 | if (sta->wme) | |
1992 | arg->peer_flags |= WMI_PEER_QOS; | |
1993 | break; | |
5e3dd157 KV |
1994 | default: |
1995 | break; | |
1996 | } | |
627d9841 JD |
1997 | |
1998 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM qos %d\n", | |
1999 | sta->addr, !!(arg->peer_flags & WMI_PEER_QOS)); | |
5e3dd157 KV |
2000 | } |
2001 | ||
91b12089 MK |
2002 | static bool ath10k_mac_sta_has_11g_rates(struct ieee80211_sta *sta) |
2003 | { | |
2004 | /* First 4 rates in ath10k_rates are CCK (11b) rates. */ | |
2005 | return sta->supp_rates[IEEE80211_BAND_2GHZ] >> 4; | |
2006 | } | |
2007 | ||
5e3dd157 | 2008 | static void ath10k_peer_assoc_h_phymode(struct ath10k *ar, |
590922a8 | 2009 | struct ieee80211_vif *vif, |
5e3dd157 KV |
2010 | struct ieee80211_sta *sta, |
2011 | struct wmi_peer_assoc_complete_arg *arg) | |
2012 | { | |
2013 | enum wmi_phy_mode phymode = MODE_UNKNOWN; | |
2014 | ||
5e3dd157 KV |
2015 | switch (ar->hw->conf.chandef.chan->band) { |
2016 | case IEEE80211_BAND_2GHZ: | |
d68bb12a YL |
2017 | if (sta->vht_cap.vht_supported) { |
2018 | if (sta->bandwidth == IEEE80211_STA_RX_BW_40) | |
2019 | phymode = MODE_11AC_VHT40; | |
2020 | else | |
2021 | phymode = MODE_11AC_VHT20; | |
2022 | } else if (sta->ht_cap.ht_supported) { | |
5e3dd157 KV |
2023 | if (sta->bandwidth == IEEE80211_STA_RX_BW_40) |
2024 | phymode = MODE_11NG_HT40; | |
2025 | else | |
2026 | phymode = MODE_11NG_HT20; | |
91b12089 | 2027 | } else if (ath10k_mac_sta_has_11g_rates(sta)) { |
5e3dd157 | 2028 | phymode = MODE_11G; |
91b12089 MK |
2029 | } else { |
2030 | phymode = MODE_11B; | |
5e3dd157 KV |
2031 | } |
2032 | ||
2033 | break; | |
2034 | case IEEE80211_BAND_5GHZ: | |
7cc45e98 SM |
2035 | /* |
2036 | * Check VHT first. | |
2037 | */ | |
2038 | if (sta->vht_cap.vht_supported) { | |
2039 | if (sta->bandwidth == IEEE80211_STA_RX_BW_80) | |
2040 | phymode = MODE_11AC_VHT80; | |
2041 | else if (sta->bandwidth == IEEE80211_STA_RX_BW_40) | |
2042 | phymode = MODE_11AC_VHT40; | |
2043 | else if (sta->bandwidth == IEEE80211_STA_RX_BW_20) | |
2044 | phymode = MODE_11AC_VHT20; | |
2045 | } else if (sta->ht_cap.ht_supported) { | |
5e3dd157 KV |
2046 | if (sta->bandwidth == IEEE80211_STA_RX_BW_40) |
2047 | phymode = MODE_11NA_HT40; | |
2048 | else | |
2049 | phymode = MODE_11NA_HT20; | |
2050 | } else { | |
2051 | phymode = MODE_11A; | |
2052 | } | |
2053 | ||
2054 | break; | |
2055 | default: | |
2056 | break; | |
2057 | } | |
2058 | ||
7aa7a72a | 2059 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM phymode %s\n", |
38a1d47e | 2060 | sta->addr, ath10k_wmi_phymode_str(phymode)); |
60c3daa8 | 2061 | |
5e3dd157 KV |
2062 | arg->peer_phymode = phymode; |
2063 | WARN_ON(phymode == MODE_UNKNOWN); | |
2064 | } | |
2065 | ||
b9ada65d | 2066 | static int ath10k_peer_assoc_prepare(struct ath10k *ar, |
590922a8 | 2067 | struct ieee80211_vif *vif, |
b9ada65d | 2068 | struct ieee80211_sta *sta, |
b9ada65d | 2069 | struct wmi_peer_assoc_complete_arg *arg) |
5e3dd157 | 2070 | { |
548db54c MK |
2071 | lockdep_assert_held(&ar->conf_mutex); |
2072 | ||
b9ada65d | 2073 | memset(arg, 0, sizeof(*arg)); |
5e3dd157 | 2074 | |
590922a8 MK |
2075 | ath10k_peer_assoc_h_basic(ar, vif, sta, arg); |
2076 | ath10k_peer_assoc_h_crypto(ar, vif, arg); | |
b9ada65d KV |
2077 | ath10k_peer_assoc_h_rates(ar, sta, arg); |
2078 | ath10k_peer_assoc_h_ht(ar, sta, arg); | |
2079 | ath10k_peer_assoc_h_vht(ar, sta, arg); | |
590922a8 MK |
2080 | ath10k_peer_assoc_h_qos(ar, vif, sta, arg); |
2081 | ath10k_peer_assoc_h_phymode(ar, vif, sta, arg); | |
5e3dd157 | 2082 | |
b9ada65d | 2083 | return 0; |
5e3dd157 KV |
2084 | } |
2085 | ||
90046f50 MK |
2086 | static const u32 ath10k_smps_map[] = { |
2087 | [WLAN_HT_CAP_SM_PS_STATIC] = WMI_PEER_SMPS_STATIC, | |
2088 | [WLAN_HT_CAP_SM_PS_DYNAMIC] = WMI_PEER_SMPS_DYNAMIC, | |
2089 | [WLAN_HT_CAP_SM_PS_INVALID] = WMI_PEER_SMPS_PS_NONE, | |
2090 | [WLAN_HT_CAP_SM_PS_DISABLED] = WMI_PEER_SMPS_PS_NONE, | |
2091 | }; | |
2092 | ||
2093 | static int ath10k_setup_peer_smps(struct ath10k *ar, struct ath10k_vif *arvif, | |
2094 | const u8 *addr, | |
2095 | const struct ieee80211_sta_ht_cap *ht_cap) | |
2096 | { | |
2097 | int smps; | |
2098 | ||
2099 | if (!ht_cap->ht_supported) | |
2100 | return 0; | |
2101 | ||
2102 | smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS; | |
2103 | smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT; | |
2104 | ||
2105 | if (smps >= ARRAY_SIZE(ath10k_smps_map)) | |
2106 | return -EINVAL; | |
2107 | ||
2108 | return ath10k_wmi_peer_set_param(ar, arvif->vdev_id, addr, | |
2109 | WMI_PEER_SMPS_STATE, | |
2110 | ath10k_smps_map[smps]); | |
2111 | } | |
2112 | ||
139e170d MK |
2113 | static int ath10k_mac_vif_recalc_txbf(struct ath10k *ar, |
2114 | struct ieee80211_vif *vif, | |
2115 | struct ieee80211_sta_vht_cap vht_cap) | |
2116 | { | |
2117 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
2118 | int ret; | |
2119 | u32 param; | |
2120 | u32 value; | |
2121 | ||
2122 | if (!(ar->vht_cap_info & | |
2123 | (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | | |
2124 | IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE | | |
2125 | IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | | |
2126 | IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE))) | |
2127 | return 0; | |
2128 | ||
2129 | param = ar->wmi.vdev_param->txbf; | |
2130 | value = 0; | |
2131 | ||
2132 | if (WARN_ON(param == WMI_VDEV_PARAM_UNSUPPORTED)) | |
2133 | return 0; | |
2134 | ||
2135 | /* The following logic is correct. If a remote STA advertises support | |
2136 | * for being a beamformer then we should enable us being a beamformee. | |
2137 | */ | |
2138 | ||
2139 | if (ar->vht_cap_info & | |
2140 | (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | | |
2141 | IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) { | |
2142 | if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE) | |
2143 | value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE; | |
2144 | ||
2145 | if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE) | |
2146 | value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFEE; | |
2147 | } | |
2148 | ||
2149 | if (ar->vht_cap_info & | |
2150 | (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | | |
2151 | IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) { | |
2152 | if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE) | |
2153 | value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER; | |
2154 | ||
2155 | if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE) | |
2156 | value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFER; | |
2157 | } | |
2158 | ||
2159 | if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFEE) | |
2160 | value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE; | |
2161 | ||
2162 | if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFER) | |
2163 | value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER; | |
2164 | ||
2165 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, value); | |
2166 | if (ret) { | |
2167 | ath10k_warn(ar, "failed to submit vdev param txbf 0x%x: %d\n", | |
2168 | value, ret); | |
2169 | return ret; | |
2170 | } | |
2171 | ||
2172 | return 0; | |
2173 | } | |
2174 | ||
5e3dd157 KV |
2175 | /* can be called only in mac80211 callbacks due to `key_count` usage */ |
2176 | static void ath10k_bss_assoc(struct ieee80211_hw *hw, | |
2177 | struct ieee80211_vif *vif, | |
2178 | struct ieee80211_bss_conf *bss_conf) | |
2179 | { | |
2180 | struct ath10k *ar = hw->priv; | |
2181 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
90046f50 | 2182 | struct ieee80211_sta_ht_cap ht_cap; |
139e170d | 2183 | struct ieee80211_sta_vht_cap vht_cap; |
b9ada65d | 2184 | struct wmi_peer_assoc_complete_arg peer_arg; |
5e3dd157 KV |
2185 | struct ieee80211_sta *ap_sta; |
2186 | int ret; | |
2187 | ||
548db54c MK |
2188 | lockdep_assert_held(&ar->conf_mutex); |
2189 | ||
077efc8c MK |
2190 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i assoc bssid %pM aid %d\n", |
2191 | arvif->vdev_id, arvif->bssid, arvif->aid); | |
2192 | ||
5e3dd157 KV |
2193 | rcu_read_lock(); |
2194 | ||
2195 | ap_sta = ieee80211_find_sta(vif, bss_conf->bssid); | |
2196 | if (!ap_sta) { | |
7aa7a72a | 2197 | ath10k_warn(ar, "failed to find station entry for bss %pM vdev %i\n", |
69244e56 | 2198 | bss_conf->bssid, arvif->vdev_id); |
5e3dd157 KV |
2199 | rcu_read_unlock(); |
2200 | return; | |
2201 | } | |
2202 | ||
90046f50 MK |
2203 | /* ap_sta must be accessed only within rcu section which must be left |
2204 | * before calling ath10k_setup_peer_smps() which might sleep. */ | |
2205 | ht_cap = ap_sta->ht_cap; | |
139e170d | 2206 | vht_cap = ap_sta->vht_cap; |
90046f50 | 2207 | |
590922a8 | 2208 | ret = ath10k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg); |
5e3dd157 | 2209 | if (ret) { |
7aa7a72a | 2210 | ath10k_warn(ar, "failed to prepare peer assoc for %pM vdev %i: %d\n", |
69244e56 | 2211 | bss_conf->bssid, arvif->vdev_id, ret); |
5e3dd157 KV |
2212 | rcu_read_unlock(); |
2213 | return; | |
2214 | } | |
2215 | ||
2216 | rcu_read_unlock(); | |
2217 | ||
b9ada65d KV |
2218 | ret = ath10k_wmi_peer_assoc(ar, &peer_arg); |
2219 | if (ret) { | |
7aa7a72a | 2220 | ath10k_warn(ar, "failed to run peer assoc for %pM vdev %i: %d\n", |
69244e56 | 2221 | bss_conf->bssid, arvif->vdev_id, ret); |
b9ada65d KV |
2222 | return; |
2223 | } | |
2224 | ||
90046f50 MK |
2225 | ret = ath10k_setup_peer_smps(ar, arvif, bss_conf->bssid, &ht_cap); |
2226 | if (ret) { | |
7aa7a72a | 2227 | ath10k_warn(ar, "failed to setup peer SMPS for vdev %i: %d\n", |
69244e56 | 2228 | arvif->vdev_id, ret); |
90046f50 MK |
2229 | return; |
2230 | } | |
2231 | ||
139e170d MK |
2232 | ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap); |
2233 | if (ret) { | |
2234 | ath10k_warn(ar, "failed to recalc txbf for vdev %i on bss %pM: %d\n", | |
2235 | arvif->vdev_id, bss_conf->bssid, ret); | |
2236 | return; | |
2237 | } | |
2238 | ||
7aa7a72a | 2239 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
2240 | "mac vdev %d up (associated) bssid %pM aid %d\n", |
2241 | arvif->vdev_id, bss_conf->bssid, bss_conf->aid); | |
2242 | ||
077efc8c MK |
2243 | WARN_ON(arvif->is_up); |
2244 | ||
c930f744 | 2245 | arvif->aid = bss_conf->aid; |
b25f32cb | 2246 | ether_addr_copy(arvif->bssid, bss_conf->bssid); |
c930f744 MK |
2247 | |
2248 | ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid); | |
2249 | if (ret) { | |
7aa7a72a | 2250 | ath10k_warn(ar, "failed to set vdev %d up: %d\n", |
5e3dd157 | 2251 | arvif->vdev_id, ret); |
c930f744 MK |
2252 | return; |
2253 | } | |
2254 | ||
2255 | arvif->is_up = true; | |
0a987fb0 MK |
2256 | |
2257 | /* Workaround: Some firmware revisions (tested with qca6174 | |
2258 | * WLAN.RM.2.0-00073) have buggy powersave state machine and must be | |
2259 | * poked with peer param command. | |
2260 | */ | |
2261 | ret = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, arvif->bssid, | |
2262 | WMI_PEER_DUMMY_VAR, 1); | |
2263 | if (ret) { | |
2264 | ath10k_warn(ar, "failed to poke peer %pM param for ps workaround on vdev %i: %d\n", | |
2265 | arvif->bssid, arvif->vdev_id, ret); | |
2266 | return; | |
2267 | } | |
5e3dd157 KV |
2268 | } |
2269 | ||
5e3dd157 KV |
2270 | static void ath10k_bss_disassoc(struct ieee80211_hw *hw, |
2271 | struct ieee80211_vif *vif) | |
2272 | { | |
2273 | struct ath10k *ar = hw->priv; | |
2274 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
139e170d | 2275 | struct ieee80211_sta_vht_cap vht_cap = {}; |
5e3dd157 KV |
2276 | int ret; |
2277 | ||
548db54c MK |
2278 | lockdep_assert_held(&ar->conf_mutex); |
2279 | ||
077efc8c MK |
2280 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i disassoc bssid %pM\n", |
2281 | arvif->vdev_id, arvif->bssid); | |
60c3daa8 | 2282 | |
5e3dd157 | 2283 | ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); |
077efc8c MK |
2284 | if (ret) |
2285 | ath10k_warn(ar, "faield to down vdev %i: %d\n", | |
2286 | arvif->vdev_id, ret); | |
5e3dd157 | 2287 | |
627613f8 SJ |
2288 | arvif->def_wep_key_idx = -1; |
2289 | ||
139e170d MK |
2290 | ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap); |
2291 | if (ret) { | |
2292 | ath10k_warn(ar, "failed to recalc txbf for vdev %i: %d\n", | |
2293 | arvif->vdev_id, ret); | |
2294 | return; | |
2295 | } | |
2296 | ||
c930f744 | 2297 | arvif->is_up = false; |
cc9904e6 MK |
2298 | |
2299 | cancel_delayed_work_sync(&arvif->connection_loss_work); | |
5e3dd157 KV |
2300 | } |
2301 | ||
590922a8 MK |
2302 | static int ath10k_station_assoc(struct ath10k *ar, |
2303 | struct ieee80211_vif *vif, | |
2304 | struct ieee80211_sta *sta, | |
2305 | bool reassoc) | |
5e3dd157 | 2306 | { |
590922a8 | 2307 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
b9ada65d | 2308 | struct wmi_peer_assoc_complete_arg peer_arg; |
5e3dd157 KV |
2309 | int ret = 0; |
2310 | ||
548db54c MK |
2311 | lockdep_assert_held(&ar->conf_mutex); |
2312 | ||
590922a8 | 2313 | ret = ath10k_peer_assoc_prepare(ar, vif, sta, &peer_arg); |
b9ada65d | 2314 | if (ret) { |
7aa7a72a | 2315 | ath10k_warn(ar, "failed to prepare WMI peer assoc for %pM vdev %i: %i\n", |
69244e56 | 2316 | sta->addr, arvif->vdev_id, ret); |
b9ada65d KV |
2317 | return ret; |
2318 | } | |
2319 | ||
44d6fa90 | 2320 | peer_arg.peer_reassoc = reassoc; |
b9ada65d | 2321 | ret = ath10k_wmi_peer_assoc(ar, &peer_arg); |
5e3dd157 | 2322 | if (ret) { |
7aa7a72a | 2323 | ath10k_warn(ar, "failed to run peer assoc for STA %pM vdev %i: %d\n", |
69244e56 | 2324 | sta->addr, arvif->vdev_id, ret); |
5e3dd157 KV |
2325 | return ret; |
2326 | } | |
2327 | ||
b1ecde36 MK |
2328 | /* Re-assoc is run only to update supported rates for given station. It |
2329 | * doesn't make much sense to reconfigure the peer completely. | |
2330 | */ | |
2331 | if (!reassoc) { | |
2332 | ret = ath10k_setup_peer_smps(ar, arvif, sta->addr, | |
2333 | &sta->ht_cap); | |
e81bd104 | 2334 | if (ret) { |
b1ecde36 | 2335 | ath10k_warn(ar, "failed to setup peer SMPS for vdev %d: %d\n", |
e81bd104 MK |
2336 | arvif->vdev_id, ret); |
2337 | return ret; | |
2338 | } | |
e81bd104 | 2339 | |
b1ecde36 MK |
2340 | ret = ath10k_peer_assoc_qos_ap(ar, arvif, sta); |
2341 | if (ret) { | |
2342 | ath10k_warn(ar, "failed to set qos params for STA %pM for vdev %i: %d\n", | |
2343 | sta->addr, arvif->vdev_id, ret); | |
2344 | return ret; | |
2345 | } | |
5e3dd157 | 2346 | |
b1ecde36 MK |
2347 | if (!sta->wme) { |
2348 | arvif->num_legacy_stations++; | |
2349 | ret = ath10k_recalc_rtscts_prot(arvif); | |
2350 | if (ret) { | |
2351 | ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n", | |
2352 | arvif->vdev_id, ret); | |
2353 | return ret; | |
2354 | } | |
2355 | } | |
2356 | ||
627613f8 SJ |
2357 | /* Plumb cached keys only for static WEP */ |
2358 | if (arvif->def_wep_key_idx != -1) { | |
2359 | ret = ath10k_install_peer_wep_keys(arvif, sta->addr); | |
2360 | if (ret) { | |
2361 | ath10k_warn(ar, "failed to install peer wep keys for vdev %i: %d\n", | |
2362 | arvif->vdev_id, ret); | |
2363 | return ret; | |
2364 | } | |
b1ecde36 | 2365 | } |
d3d3ff42 JD |
2366 | } |
2367 | ||
5e3dd157 KV |
2368 | return ret; |
2369 | } | |
2370 | ||
590922a8 MK |
2371 | static int ath10k_station_disassoc(struct ath10k *ar, |
2372 | struct ieee80211_vif *vif, | |
5e3dd157 KV |
2373 | struct ieee80211_sta *sta) |
2374 | { | |
590922a8 | 2375 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
5e3dd157 KV |
2376 | int ret = 0; |
2377 | ||
548db54c MK |
2378 | lockdep_assert_held(&ar->conf_mutex); |
2379 | ||
e81bd104 MK |
2380 | if (!sta->wme) { |
2381 | arvif->num_legacy_stations--; | |
2382 | ret = ath10k_recalc_rtscts_prot(arvif); | |
2383 | if (ret) { | |
7aa7a72a | 2384 | ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n", |
e81bd104 MK |
2385 | arvif->vdev_id, ret); |
2386 | return ret; | |
2387 | } | |
2388 | } | |
2389 | ||
5e3dd157 KV |
2390 | ret = ath10k_clear_peer_keys(arvif, sta->addr); |
2391 | if (ret) { | |
7aa7a72a | 2392 | ath10k_warn(ar, "failed to clear all peer wep keys for vdev %i: %d\n", |
69244e56 | 2393 | arvif->vdev_id, ret); |
5e3dd157 KV |
2394 | return ret; |
2395 | } | |
2396 | ||
2397 | return ret; | |
2398 | } | |
2399 | ||
2400 | /**************/ | |
2401 | /* Regulatory */ | |
2402 | /**************/ | |
2403 | ||
2404 | static int ath10k_update_channel_list(struct ath10k *ar) | |
2405 | { | |
2406 | struct ieee80211_hw *hw = ar->hw; | |
2407 | struct ieee80211_supported_band **bands; | |
2408 | enum ieee80211_band band; | |
2409 | struct ieee80211_channel *channel; | |
2410 | struct wmi_scan_chan_list_arg arg = {0}; | |
2411 | struct wmi_channel_arg *ch; | |
2412 | bool passive; | |
2413 | int len; | |
2414 | int ret; | |
2415 | int i; | |
2416 | ||
548db54c MK |
2417 | lockdep_assert_held(&ar->conf_mutex); |
2418 | ||
5e3dd157 KV |
2419 | bands = hw->wiphy->bands; |
2420 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
2421 | if (!bands[band]) | |
2422 | continue; | |
2423 | ||
2424 | for (i = 0; i < bands[band]->n_channels; i++) { | |
2425 | if (bands[band]->channels[i].flags & | |
2426 | IEEE80211_CHAN_DISABLED) | |
2427 | continue; | |
2428 | ||
2429 | arg.n_channels++; | |
2430 | } | |
2431 | } | |
2432 | ||
2433 | len = sizeof(struct wmi_channel_arg) * arg.n_channels; | |
2434 | arg.channels = kzalloc(len, GFP_KERNEL); | |
2435 | if (!arg.channels) | |
2436 | return -ENOMEM; | |
2437 | ||
2438 | ch = arg.channels; | |
2439 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
2440 | if (!bands[band]) | |
2441 | continue; | |
2442 | ||
2443 | for (i = 0; i < bands[band]->n_channels; i++) { | |
2444 | channel = &bands[band]->channels[i]; | |
2445 | ||
2446 | if (channel->flags & IEEE80211_CHAN_DISABLED) | |
2447 | continue; | |
2448 | ||
2449 | ch->allow_ht = true; | |
2450 | ||
2451 | /* FIXME: when should we really allow VHT? */ | |
2452 | ch->allow_vht = true; | |
2453 | ||
2454 | ch->allow_ibss = | |
8fe02e16 | 2455 | !(channel->flags & IEEE80211_CHAN_NO_IR); |
5e3dd157 KV |
2456 | |
2457 | ch->ht40plus = | |
2458 | !(channel->flags & IEEE80211_CHAN_NO_HT40PLUS); | |
2459 | ||
e8a50f8b MP |
2460 | ch->chan_radar = |
2461 | !!(channel->flags & IEEE80211_CHAN_RADAR); | |
2462 | ||
8fe02e16 | 2463 | passive = channel->flags & IEEE80211_CHAN_NO_IR; |
5e3dd157 KV |
2464 | ch->passive = passive; |
2465 | ||
2466 | ch->freq = channel->center_freq; | |
2d66721c | 2467 | ch->band_center_freq1 = channel->center_freq; |
89c5c843 | 2468 | ch->min_power = 0; |
02256930 MK |
2469 | ch->max_power = channel->max_power * 2; |
2470 | ch->max_reg_power = channel->max_reg_power * 2; | |
2471 | ch->max_antenna_gain = channel->max_antenna_gain * 2; | |
5e3dd157 KV |
2472 | ch->reg_class_id = 0; /* FIXME */ |
2473 | ||
2474 | /* FIXME: why use only legacy modes, why not any | |
2475 | * HT/VHT modes? Would that even make any | |
2476 | * difference? */ | |
2477 | if (channel->band == IEEE80211_BAND_2GHZ) | |
2478 | ch->mode = MODE_11G; | |
2479 | else | |
2480 | ch->mode = MODE_11A; | |
2481 | ||
2482 | if (WARN_ON_ONCE(ch->mode == MODE_UNKNOWN)) | |
2483 | continue; | |
2484 | ||
7aa7a72a | 2485 | ath10k_dbg(ar, ATH10K_DBG_WMI, |
60c3daa8 KV |
2486 | "mac channel [%zd/%d] freq %d maxpower %d regpower %d antenna %d mode %d\n", |
2487 | ch - arg.channels, arg.n_channels, | |
5e3dd157 KV |
2488 | ch->freq, ch->max_power, ch->max_reg_power, |
2489 | ch->max_antenna_gain, ch->mode); | |
2490 | ||
2491 | ch++; | |
2492 | } | |
2493 | } | |
2494 | ||
2495 | ret = ath10k_wmi_scan_chan_list(ar, &arg); | |
2496 | kfree(arg.channels); | |
2497 | ||
2498 | return ret; | |
2499 | } | |
2500 | ||
821af6ae MP |
2501 | static enum wmi_dfs_region |
2502 | ath10k_mac_get_dfs_region(enum nl80211_dfs_regions dfs_region) | |
2503 | { | |
2504 | switch (dfs_region) { | |
2505 | case NL80211_DFS_UNSET: | |
2506 | return WMI_UNINIT_DFS_DOMAIN; | |
2507 | case NL80211_DFS_FCC: | |
2508 | return WMI_FCC_DFS_DOMAIN; | |
2509 | case NL80211_DFS_ETSI: | |
2510 | return WMI_ETSI_DFS_DOMAIN; | |
2511 | case NL80211_DFS_JP: | |
2512 | return WMI_MKK4_DFS_DOMAIN; | |
2513 | } | |
2514 | return WMI_UNINIT_DFS_DOMAIN; | |
2515 | } | |
2516 | ||
f7843d7f | 2517 | static void ath10k_regd_update(struct ath10k *ar) |
5e3dd157 | 2518 | { |
5e3dd157 | 2519 | struct reg_dmn_pair_mapping *regpair; |
5e3dd157 | 2520 | int ret; |
821af6ae MP |
2521 | enum wmi_dfs_region wmi_dfs_reg; |
2522 | enum nl80211_dfs_regions nl_dfs_reg; | |
5e3dd157 | 2523 | |
f7843d7f | 2524 | lockdep_assert_held(&ar->conf_mutex); |
5e3dd157 KV |
2525 | |
2526 | ret = ath10k_update_channel_list(ar); | |
2527 | if (ret) | |
7aa7a72a | 2528 | ath10k_warn(ar, "failed to update channel list: %d\n", ret); |
5e3dd157 KV |
2529 | |
2530 | regpair = ar->ath_common.regulatory.regpair; | |
f7843d7f | 2531 | |
821af6ae MP |
2532 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) { |
2533 | nl_dfs_reg = ar->dfs_detector->region; | |
2534 | wmi_dfs_reg = ath10k_mac_get_dfs_region(nl_dfs_reg); | |
2535 | } else { | |
2536 | wmi_dfs_reg = WMI_UNINIT_DFS_DOMAIN; | |
2537 | } | |
2538 | ||
5e3dd157 KV |
2539 | /* Target allows setting up per-band regdomain but ath_common provides |
2540 | * a combined one only */ | |
2541 | ret = ath10k_wmi_pdev_set_regdomain(ar, | |
ef8c0017 KV |
2542 | regpair->reg_domain, |
2543 | regpair->reg_domain, /* 2ghz */ | |
2544 | regpair->reg_domain, /* 5ghz */ | |
5e3dd157 | 2545 | regpair->reg_2ghz_ctl, |
821af6ae MP |
2546 | regpair->reg_5ghz_ctl, |
2547 | wmi_dfs_reg); | |
5e3dd157 | 2548 | if (ret) |
7aa7a72a | 2549 | ath10k_warn(ar, "failed to set pdev regdomain: %d\n", ret); |
f7843d7f | 2550 | } |
548db54c | 2551 | |
f7843d7f MK |
2552 | static void ath10k_reg_notifier(struct wiphy *wiphy, |
2553 | struct regulatory_request *request) | |
2554 | { | |
2555 | struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); | |
2556 | struct ath10k *ar = hw->priv; | |
9702c686 | 2557 | bool result; |
f7843d7f MK |
2558 | |
2559 | ath_reg_notifier_apply(wiphy, request, &ar->ath_common.regulatory); | |
2560 | ||
9702c686 | 2561 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) { |
7aa7a72a | 2562 | ath10k_dbg(ar, ATH10K_DBG_REGULATORY, "dfs region 0x%x\n", |
9702c686 JD |
2563 | request->dfs_region); |
2564 | result = ar->dfs_detector->set_dfs_domain(ar->dfs_detector, | |
2565 | request->dfs_region); | |
2566 | if (!result) | |
7aa7a72a | 2567 | ath10k_warn(ar, "DFS region 0x%X not supported, will trigger radar for every pulse\n", |
9702c686 JD |
2568 | request->dfs_region); |
2569 | } | |
2570 | ||
f7843d7f MK |
2571 | mutex_lock(&ar->conf_mutex); |
2572 | if (ar->state == ATH10K_STATE_ON) | |
2573 | ath10k_regd_update(ar); | |
548db54c | 2574 | mutex_unlock(&ar->conf_mutex); |
5e3dd157 KV |
2575 | } |
2576 | ||
2577 | /***************/ | |
2578 | /* TX handlers */ | |
2579 | /***************/ | |
2580 | ||
42c3aa6f MK |
2581 | static u8 ath10k_tx_h_get_tid(struct ieee80211_hdr *hdr) |
2582 | { | |
2583 | if (ieee80211_is_mgmt(hdr->frame_control)) | |
2584 | return HTT_DATA_TX_EXT_TID_MGMT; | |
2585 | ||
2586 | if (!ieee80211_is_data_qos(hdr->frame_control)) | |
2587 | return HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST; | |
2588 | ||
2589 | if (!is_unicast_ether_addr(ieee80211_get_DA(hdr))) | |
2590 | return HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST; | |
2591 | ||
2592 | return ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK; | |
2593 | } | |
2594 | ||
2b37c295 | 2595 | static u8 ath10k_tx_h_get_vdev_id(struct ath10k *ar, struct ieee80211_vif *vif) |
ddb6ad77 | 2596 | { |
2b37c295 MK |
2597 | if (vif) |
2598 | return ath10k_vif_to_arvif(vif)->vdev_id; | |
ddb6ad77 | 2599 | |
1bbc0975 | 2600 | if (ar->monitor_started) |
ddb6ad77 MK |
2601 | return ar->monitor_vdev_id; |
2602 | ||
7aa7a72a | 2603 | ath10k_warn(ar, "failed to resolve vdev id\n"); |
ddb6ad77 MK |
2604 | return 0; |
2605 | } | |
2606 | ||
d740d8fd MK |
2607 | static enum ath10k_hw_txrx_mode |
2608 | ath10k_tx_h_get_txmode(struct ath10k *ar, struct ieee80211_vif *vif, | |
75d85fd9 | 2609 | struct ieee80211_sta *sta, struct sk_buff *skb) |
d740d8fd MK |
2610 | { |
2611 | const struct ieee80211_hdr *hdr = (void *)skb->data; | |
2612 | __le16 fc = hdr->frame_control; | |
2613 | ||
2614 | if (!vif || vif->type == NL80211_IFTYPE_MONITOR) | |
2615 | return ATH10K_HW_TXRX_RAW; | |
2616 | ||
2617 | if (ieee80211_is_mgmt(fc)) | |
2618 | return ATH10K_HW_TXRX_MGMT; | |
2619 | ||
2620 | /* Workaround: | |
2621 | * | |
2622 | * NullFunc frames are mostly used to ping if a client or AP are still | |
2623 | * reachable and responsive. This implies tx status reports must be | |
2624 | * accurate - otherwise either mac80211 or userspace (e.g. hostapd) can | |
2625 | * come to a conclusion that the other end disappeared and tear down | |
2626 | * BSS connection or it can never disconnect from BSS/client (which is | |
2627 | * the case). | |
2628 | * | |
2629 | * Firmware with HTT older than 3.0 delivers incorrect tx status for | |
2630 | * NullFunc frames to driver. However there's a HTT Mgmt Tx command | |
2631 | * which seems to deliver correct tx reports for NullFunc frames. The | |
2632 | * downside of using it is it ignores client powersave state so it can | |
2633 | * end up disconnecting sleeping clients in AP mode. It should fix STA | |
2634 | * mode though because AP don't sleep. | |
2635 | */ | |
2636 | if (ar->htt.target_version_major < 3 && | |
2637 | (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)) && | |
2638 | !test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX, ar->fw_features)) | |
2639 | return ATH10K_HW_TXRX_MGMT; | |
2640 | ||
75d85fd9 MP |
2641 | /* Workaround: |
2642 | * | |
2643 | * Some wmi-tlv firmwares for qca6174 have broken Tx key selection for | |
2644 | * NativeWifi txmode - it selects AP key instead of peer key. It seems | |
2645 | * to work with Ethernet txmode so use it. | |
2646 | */ | |
2647 | if (ieee80211_is_data_present(fc) && sta && sta->tdls) | |
2648 | return ATH10K_HW_TXRX_ETHERNET; | |
2649 | ||
d740d8fd MK |
2650 | return ATH10K_HW_TXRX_NATIVE_WIFI; |
2651 | } | |
2652 | ||
4b604558 MK |
2653 | /* HTT Tx uses Native Wifi tx mode which expects 802.11 frames without QoS |
2654 | * Control in the header. | |
5e3dd157 | 2655 | */ |
4b604558 | 2656 | static void ath10k_tx_h_nwifi(struct ieee80211_hw *hw, struct sk_buff *skb) |
5e3dd157 KV |
2657 | { |
2658 | struct ieee80211_hdr *hdr = (void *)skb->data; | |
c21c64d1 | 2659 | struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb); |
5e3dd157 KV |
2660 | u8 *qos_ctl; |
2661 | ||
2662 | if (!ieee80211_is_data_qos(hdr->frame_control)) | |
2663 | return; | |
2664 | ||
2665 | qos_ctl = ieee80211_get_qos_ctl(hdr); | |
ba0ccd7a MK |
2666 | memmove(skb->data + IEEE80211_QOS_CTL_LEN, |
2667 | skb->data, (void *)qos_ctl - (void *)skb->data); | |
2668 | skb_pull(skb, IEEE80211_QOS_CTL_LEN); | |
c21c64d1 | 2669 | |
8bad8dcd MK |
2670 | /* Some firmware revisions don't handle sending QoS NullFunc well. |
2671 | * These frames are mainly used for CQM purposes so it doesn't really | |
2672 | * matter whether QoS NullFunc or NullFunc are sent. | |
c21c64d1 | 2673 | */ |
bf0a26d3 | 2674 | hdr = (void *)skb->data; |
8bad8dcd | 2675 | if (ieee80211_is_qos_nullfunc(hdr->frame_control)) |
c21c64d1 | 2676 | cb->htt.tid = HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST; |
8bad8dcd MK |
2677 | |
2678 | hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA); | |
5e3dd157 KV |
2679 | } |
2680 | ||
d740d8fd MK |
2681 | static void ath10k_tx_h_8023(struct sk_buff *skb) |
2682 | { | |
2683 | struct ieee80211_hdr *hdr; | |
2684 | struct rfc1042_hdr *rfc1042; | |
2685 | struct ethhdr *eth; | |
2686 | size_t hdrlen; | |
2687 | u8 da[ETH_ALEN]; | |
2688 | u8 sa[ETH_ALEN]; | |
2689 | __be16 type; | |
2690 | ||
2691 | hdr = (void *)skb->data; | |
2692 | hdrlen = ieee80211_hdrlen(hdr->frame_control); | |
2693 | rfc1042 = (void *)skb->data + hdrlen; | |
2694 | ||
2695 | ether_addr_copy(da, ieee80211_get_DA(hdr)); | |
2696 | ether_addr_copy(sa, ieee80211_get_SA(hdr)); | |
2697 | type = rfc1042->snap_type; | |
2698 | ||
2699 | skb_pull(skb, hdrlen + sizeof(*rfc1042)); | |
2700 | skb_push(skb, sizeof(*eth)); | |
2701 | ||
2702 | eth = (void *)skb->data; | |
2703 | ether_addr_copy(eth->h_dest, da); | |
2704 | ether_addr_copy(eth->h_source, sa); | |
2705 | eth->h_proto = type; | |
2706 | } | |
2707 | ||
4b604558 MK |
2708 | static void ath10k_tx_h_add_p2p_noa_ie(struct ath10k *ar, |
2709 | struct ieee80211_vif *vif, | |
2710 | struct sk_buff *skb) | |
5e3dd157 KV |
2711 | { |
2712 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; | |
5e3dd157 KV |
2713 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
2714 | ||
2715 | /* This is case only for P2P_GO */ | |
2716 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP || | |
2717 | arvif->vdev_subtype != WMI_VDEV_SUBTYPE_P2P_GO) | |
2718 | return; | |
2719 | ||
2720 | if (unlikely(ieee80211_is_probe_resp(hdr->frame_control))) { | |
2721 | spin_lock_bh(&ar->data_lock); | |
2722 | if (arvif->u.ap.noa_data) | |
2723 | if (!pskb_expand_head(skb, 0, arvif->u.ap.noa_len, | |
2724 | GFP_ATOMIC)) | |
2725 | memcpy(skb_put(skb, arvif->u.ap.noa_len), | |
2726 | arvif->u.ap.noa_data, | |
2727 | arvif->u.ap.noa_len); | |
2728 | spin_unlock_bh(&ar->data_lock); | |
2729 | } | |
2730 | } | |
2731 | ||
8d6d3624 MK |
2732 | static bool ath10k_mac_need_offchan_tx_work(struct ath10k *ar) |
2733 | { | |
2734 | /* FIXME: Not really sure since when the behaviour changed. At some | |
2735 | * point new firmware stopped requiring creation of peer entries for | |
2736 | * offchannel tx (and actually creating them causes issues with wmi-htc | |
2737 | * tx credit replenishment and reliability). Assuming it's at least 3.4 | |
2738 | * because that's when the `freq` was introduced to TX_FRM HTT command. | |
2739 | */ | |
2740 | return !(ar->htt.target_version_major >= 3 && | |
2741 | ar->htt.target_version_minor >= 4); | |
2742 | } | |
2743 | ||
d740d8fd | 2744 | static int ath10k_mac_tx_wmi_mgmt(struct ath10k *ar, struct sk_buff *skb) |
5e3dd157 | 2745 | { |
d740d8fd | 2746 | struct sk_buff_head *q = &ar->wmi_mgmt_tx_queue; |
5e00d31a | 2747 | int ret = 0; |
5e3dd157 | 2748 | |
d740d8fd MK |
2749 | spin_lock_bh(&ar->data_lock); |
2750 | ||
2751 | if (skb_queue_len(q) == ATH10K_MAX_NUM_MGMT_PENDING) { | |
2752 | ath10k_warn(ar, "wmi mgmt tx queue is full\n"); | |
2753 | ret = -ENOSPC; | |
2754 | goto unlock; | |
961d4c38 MK |
2755 | } |
2756 | ||
d740d8fd MK |
2757 | __skb_queue_tail(q, skb); |
2758 | ieee80211_queue_work(ar->hw, &ar->wmi_mgmt_tx_work); | |
5e00d31a | 2759 | |
d740d8fd MK |
2760 | unlock: |
2761 | spin_unlock_bh(&ar->data_lock); | |
2762 | ||
2763 | return ret; | |
2764 | } | |
2765 | ||
2766 | static void ath10k_mac_tx(struct ath10k *ar, struct sk_buff *skb) | |
2767 | { | |
2768 | struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb); | |
2769 | struct ath10k_htt *htt = &ar->htt; | |
2770 | int ret = 0; | |
2771 | ||
2772 | switch (cb->txmode) { | |
2773 | case ATH10K_HW_TXRX_RAW: | |
2774 | case ATH10K_HW_TXRX_NATIVE_WIFI: | |
2775 | case ATH10K_HW_TXRX_ETHERNET: | |
2776 | ret = ath10k_htt_tx(htt, skb); | |
2777 | break; | |
2778 | case ATH10K_HW_TXRX_MGMT: | |
2779 | if (test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX, | |
2780 | ar->fw_features)) | |
2781 | ret = ath10k_mac_tx_wmi_mgmt(ar, skb); | |
2782 | else if (ar->htt.target_version_major >= 3) | |
2783 | ret = ath10k_htt_tx(htt, skb); | |
2784 | else | |
2785 | ret = ath10k_htt_mgmt_tx(htt, skb); | |
2786 | break; | |
5e00d31a | 2787 | } |
5e3dd157 KV |
2788 | |
2789 | if (ret) { | |
7aa7a72a MK |
2790 | ath10k_warn(ar, "failed to transmit packet, dropping: %d\n", |
2791 | ret); | |
5e3dd157 KV |
2792 | ieee80211_free_txskb(ar->hw, skb); |
2793 | } | |
2794 | } | |
2795 | ||
2796 | void ath10k_offchan_tx_purge(struct ath10k *ar) | |
2797 | { | |
2798 | struct sk_buff *skb; | |
2799 | ||
2800 | for (;;) { | |
2801 | skb = skb_dequeue(&ar->offchan_tx_queue); | |
2802 | if (!skb) | |
2803 | break; | |
2804 | ||
2805 | ieee80211_free_txskb(ar->hw, skb); | |
2806 | } | |
2807 | } | |
2808 | ||
2809 | void ath10k_offchan_tx_work(struct work_struct *work) | |
2810 | { | |
2811 | struct ath10k *ar = container_of(work, struct ath10k, offchan_tx_work); | |
2812 | struct ath10k_peer *peer; | |
2813 | struct ieee80211_hdr *hdr; | |
2814 | struct sk_buff *skb; | |
2815 | const u8 *peer_addr; | |
2816 | int vdev_id; | |
2817 | int ret; | |
2818 | ||
2819 | /* FW requirement: We must create a peer before FW will send out | |
2820 | * an offchannel frame. Otherwise the frame will be stuck and | |
2821 | * never transmitted. We delete the peer upon tx completion. | |
2822 | * It is unlikely that a peer for offchannel tx will already be | |
2823 | * present. However it may be in some rare cases so account for that. | |
2824 | * Otherwise we might remove a legitimate peer and break stuff. */ | |
2825 | ||
2826 | for (;;) { | |
2827 | skb = skb_dequeue(&ar->offchan_tx_queue); | |
2828 | if (!skb) | |
2829 | break; | |
2830 | ||
2831 | mutex_lock(&ar->conf_mutex); | |
2832 | ||
7aa7a72a | 2833 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac offchannel skb %p\n", |
5e3dd157 KV |
2834 | skb); |
2835 | ||
2836 | hdr = (struct ieee80211_hdr *)skb->data; | |
2837 | peer_addr = ieee80211_get_DA(hdr); | |
5e00d31a | 2838 | vdev_id = ATH10K_SKB_CB(skb)->vdev_id; |
5e3dd157 KV |
2839 | |
2840 | spin_lock_bh(&ar->data_lock); | |
2841 | peer = ath10k_peer_find(ar, vdev_id, peer_addr); | |
2842 | spin_unlock_bh(&ar->data_lock); | |
2843 | ||
2844 | if (peer) | |
60c3daa8 | 2845 | /* FIXME: should this use ath10k_warn()? */ |
7aa7a72a | 2846 | ath10k_dbg(ar, ATH10K_DBG_MAC, "peer %pM on vdev %d already present\n", |
5e3dd157 KV |
2847 | peer_addr, vdev_id); |
2848 | ||
2849 | if (!peer) { | |
7390ed34 MP |
2850 | ret = ath10k_peer_create(ar, vdev_id, peer_addr, |
2851 | WMI_PEER_TYPE_DEFAULT); | |
5e3dd157 | 2852 | if (ret) |
7aa7a72a | 2853 | ath10k_warn(ar, "failed to create peer %pM on vdev %d: %d\n", |
5e3dd157 KV |
2854 | peer_addr, vdev_id, ret); |
2855 | } | |
2856 | ||
2857 | spin_lock_bh(&ar->data_lock); | |
16735d02 | 2858 | reinit_completion(&ar->offchan_tx_completed); |
5e3dd157 KV |
2859 | ar->offchan_tx_skb = skb; |
2860 | spin_unlock_bh(&ar->data_lock); | |
2861 | ||
d740d8fd | 2862 | ath10k_mac_tx(ar, skb); |
5e3dd157 KV |
2863 | |
2864 | ret = wait_for_completion_timeout(&ar->offchan_tx_completed, | |
2865 | 3 * HZ); | |
38e2a644 | 2866 | if (ret == 0) |
7aa7a72a | 2867 | ath10k_warn(ar, "timed out waiting for offchannel skb %p\n", |
5e3dd157 KV |
2868 | skb); |
2869 | ||
2870 | if (!peer) { | |
2871 | ret = ath10k_peer_delete(ar, vdev_id, peer_addr); | |
2872 | if (ret) | |
7aa7a72a | 2873 | ath10k_warn(ar, "failed to delete peer %pM on vdev %d: %d\n", |
5e3dd157 KV |
2874 | peer_addr, vdev_id, ret); |
2875 | } | |
2876 | ||
2877 | mutex_unlock(&ar->conf_mutex); | |
2878 | } | |
2879 | } | |
2880 | ||
5e00d31a BM |
2881 | void ath10k_mgmt_over_wmi_tx_purge(struct ath10k *ar) |
2882 | { | |
2883 | struct sk_buff *skb; | |
2884 | ||
2885 | for (;;) { | |
2886 | skb = skb_dequeue(&ar->wmi_mgmt_tx_queue); | |
2887 | if (!skb) | |
2888 | break; | |
2889 | ||
2890 | ieee80211_free_txskb(ar->hw, skb); | |
2891 | } | |
2892 | } | |
2893 | ||
2894 | void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work) | |
2895 | { | |
2896 | struct ath10k *ar = container_of(work, struct ath10k, wmi_mgmt_tx_work); | |
2897 | struct sk_buff *skb; | |
2898 | int ret; | |
2899 | ||
2900 | for (;;) { | |
2901 | skb = skb_dequeue(&ar->wmi_mgmt_tx_queue); | |
2902 | if (!skb) | |
2903 | break; | |
2904 | ||
2905 | ret = ath10k_wmi_mgmt_tx(ar, skb); | |
5fb5e41f | 2906 | if (ret) { |
7aa7a72a | 2907 | ath10k_warn(ar, "failed to transmit management frame via WMI: %d\n", |
be6546fc | 2908 | ret); |
5fb5e41f MK |
2909 | ieee80211_free_txskb(ar->hw, skb); |
2910 | } | |
5e00d31a BM |
2911 | } |
2912 | } | |
2913 | ||
5e3dd157 KV |
2914 | /************/ |
2915 | /* Scanning */ | |
2916 | /************/ | |
2917 | ||
5c81c7fd | 2918 | void __ath10k_scan_finish(struct ath10k *ar) |
5e3dd157 | 2919 | { |
5c81c7fd | 2920 | lockdep_assert_held(&ar->data_lock); |
5e3dd157 | 2921 | |
5c81c7fd MK |
2922 | switch (ar->scan.state) { |
2923 | case ATH10K_SCAN_IDLE: | |
2924 | break; | |
2925 | case ATH10K_SCAN_RUNNING: | |
5c81c7fd MK |
2926 | if (ar->scan.is_roc) |
2927 | ieee80211_remain_on_channel_expired(ar->hw); | |
f6eaf1e0 | 2928 | /* fall through */ |
7305d3e0 MK |
2929 | case ATH10K_SCAN_ABORTING: |
2930 | if (!ar->scan.is_roc) | |
5c81c7fd MK |
2931 | ieee80211_scan_completed(ar->hw, |
2932 | (ar->scan.state == | |
2933 | ATH10K_SCAN_ABORTING)); | |
2934 | /* fall through */ | |
2935 | case ATH10K_SCAN_STARTING: | |
2936 | ar->scan.state = ATH10K_SCAN_IDLE; | |
2937 | ar->scan_channel = NULL; | |
2938 | ath10k_offchan_tx_purge(ar); | |
2939 | cancel_delayed_work(&ar->scan.timeout); | |
2940 | complete_all(&ar->scan.completed); | |
2941 | break; | |
5e3dd157 | 2942 | } |
5c81c7fd | 2943 | } |
5e3dd157 | 2944 | |
5c81c7fd MK |
2945 | void ath10k_scan_finish(struct ath10k *ar) |
2946 | { | |
2947 | spin_lock_bh(&ar->data_lock); | |
2948 | __ath10k_scan_finish(ar); | |
5e3dd157 KV |
2949 | spin_unlock_bh(&ar->data_lock); |
2950 | } | |
2951 | ||
5c81c7fd | 2952 | static int ath10k_scan_stop(struct ath10k *ar) |
5e3dd157 KV |
2953 | { |
2954 | struct wmi_stop_scan_arg arg = { | |
2955 | .req_id = 1, /* FIXME */ | |
2956 | .req_type = WMI_SCAN_STOP_ONE, | |
2957 | .u.scan_id = ATH10K_SCAN_ID, | |
2958 | }; | |
2959 | int ret; | |
2960 | ||
2961 | lockdep_assert_held(&ar->conf_mutex); | |
2962 | ||
5e3dd157 KV |
2963 | ret = ath10k_wmi_stop_scan(ar, &arg); |
2964 | if (ret) { | |
7aa7a72a | 2965 | ath10k_warn(ar, "failed to stop wmi scan: %d\n", ret); |
5c81c7fd | 2966 | goto out; |
5e3dd157 KV |
2967 | } |
2968 | ||
5e3dd157 | 2969 | ret = wait_for_completion_timeout(&ar->scan.completed, 3*HZ); |
5c81c7fd | 2970 | if (ret == 0) { |
7aa7a72a | 2971 | ath10k_warn(ar, "failed to receive scan abortion completion: timed out\n"); |
5c81c7fd MK |
2972 | ret = -ETIMEDOUT; |
2973 | } else if (ret > 0) { | |
2974 | ret = 0; | |
2975 | } | |
5e3dd157 | 2976 | |
5c81c7fd MK |
2977 | out: |
2978 | /* Scan state should be updated upon scan completion but in case | |
2979 | * firmware fails to deliver the event (for whatever reason) it is | |
2980 | * desired to clean up scan state anyway. Firmware may have just | |
2981 | * dropped the scan completion event delivery due to transport pipe | |
2982 | * being overflown with data and/or it can recover on its own before | |
2983 | * next scan request is submitted. | |
2984 | */ | |
2985 | spin_lock_bh(&ar->data_lock); | |
2986 | if (ar->scan.state != ATH10K_SCAN_IDLE) | |
2987 | __ath10k_scan_finish(ar); | |
2988 | spin_unlock_bh(&ar->data_lock); | |
2989 | ||
2990 | return ret; | |
2991 | } | |
2992 | ||
2993 | static void ath10k_scan_abort(struct ath10k *ar) | |
2994 | { | |
2995 | int ret; | |
2996 | ||
2997 | lockdep_assert_held(&ar->conf_mutex); | |
5e3dd157 KV |
2998 | |
2999 | spin_lock_bh(&ar->data_lock); | |
5c81c7fd MK |
3000 | |
3001 | switch (ar->scan.state) { | |
3002 | case ATH10K_SCAN_IDLE: | |
3003 | /* This can happen if timeout worker kicked in and called | |
3004 | * abortion while scan completion was being processed. | |
3005 | */ | |
3006 | break; | |
3007 | case ATH10K_SCAN_STARTING: | |
3008 | case ATH10K_SCAN_ABORTING: | |
7aa7a72a | 3009 | ath10k_warn(ar, "refusing scan abortion due to invalid scan state: %s (%d)\n", |
5c81c7fd MK |
3010 | ath10k_scan_state_str(ar->scan.state), |
3011 | ar->scan.state); | |
3012 | break; | |
3013 | case ATH10K_SCAN_RUNNING: | |
3014 | ar->scan.state = ATH10K_SCAN_ABORTING; | |
3015 | spin_unlock_bh(&ar->data_lock); | |
3016 | ||
3017 | ret = ath10k_scan_stop(ar); | |
3018 | if (ret) | |
7aa7a72a | 3019 | ath10k_warn(ar, "failed to abort scan: %d\n", ret); |
5c81c7fd MK |
3020 | |
3021 | spin_lock_bh(&ar->data_lock); | |
3022 | break; | |
5e3dd157 | 3023 | } |
5c81c7fd | 3024 | |
5e3dd157 | 3025 | spin_unlock_bh(&ar->data_lock); |
5c81c7fd | 3026 | } |
5e3dd157 | 3027 | |
5c81c7fd MK |
3028 | void ath10k_scan_timeout_work(struct work_struct *work) |
3029 | { | |
3030 | struct ath10k *ar = container_of(work, struct ath10k, | |
3031 | scan.timeout.work); | |
3032 | ||
3033 | mutex_lock(&ar->conf_mutex); | |
3034 | ath10k_scan_abort(ar); | |
3035 | mutex_unlock(&ar->conf_mutex); | |
5e3dd157 KV |
3036 | } |
3037 | ||
3038 | static int ath10k_start_scan(struct ath10k *ar, | |
3039 | const struct wmi_start_scan_arg *arg) | |
3040 | { | |
3041 | int ret; | |
3042 | ||
3043 | lockdep_assert_held(&ar->conf_mutex); | |
3044 | ||
3045 | ret = ath10k_wmi_start_scan(ar, arg); | |
3046 | if (ret) | |
3047 | return ret; | |
3048 | ||
5e3dd157 KV |
3049 | ret = wait_for_completion_timeout(&ar->scan.started, 1*HZ); |
3050 | if (ret == 0) { | |
5c81c7fd MK |
3051 | ret = ath10k_scan_stop(ar); |
3052 | if (ret) | |
7aa7a72a | 3053 | ath10k_warn(ar, "failed to stop scan: %d\n", ret); |
5c81c7fd MK |
3054 | |
3055 | return -ETIMEDOUT; | |
5e3dd157 KV |
3056 | } |
3057 | ||
2f9eec0b BG |
3058 | /* If we failed to start the scan, return error code at |
3059 | * this point. This is probably due to some issue in the | |
3060 | * firmware, but no need to wedge the driver due to that... | |
3061 | */ | |
3062 | spin_lock_bh(&ar->data_lock); | |
3063 | if (ar->scan.state == ATH10K_SCAN_IDLE) { | |
3064 | spin_unlock_bh(&ar->data_lock); | |
3065 | return -EINVAL; | |
3066 | } | |
3067 | spin_unlock_bh(&ar->data_lock); | |
3068 | ||
5c81c7fd MK |
3069 | /* Add a 200ms margin to account for event/command processing */ |
3070 | ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout, | |
3071 | msecs_to_jiffies(arg->max_scan_time+200)); | |
5e3dd157 KV |
3072 | return 0; |
3073 | } | |
3074 | ||
3075 | /**********************/ | |
3076 | /* mac80211 callbacks */ | |
3077 | /**********************/ | |
3078 | ||
3079 | static void ath10k_tx(struct ieee80211_hw *hw, | |
3080 | struct ieee80211_tx_control *control, | |
3081 | struct sk_buff *skb) | |
3082 | { | |
4b604558 | 3083 | struct ath10k *ar = hw->priv; |
5e3dd157 | 3084 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
4b604558 | 3085 | struct ieee80211_vif *vif = info->control.vif; |
75d85fd9 | 3086 | struct ieee80211_sta *sta = control->sta; |
5e3dd157 | 3087 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; |
d740d8fd | 3088 | __le16 fc = hdr->frame_control; |
5e3dd157 KV |
3089 | |
3090 | /* We should disable CCK RATE due to P2P */ | |
3091 | if (info->flags & IEEE80211_TX_CTL_NO_CCK_RATE) | |
7aa7a72a | 3092 | ath10k_dbg(ar, ATH10K_DBG_MAC, "IEEE80211_TX_CTL_NO_CCK_RATE\n"); |
5e3dd157 | 3093 | |
4b604558 | 3094 | ATH10K_SKB_CB(skb)->htt.is_offchan = false; |
6fcafef7 | 3095 | ATH10K_SKB_CB(skb)->htt.freq = 0; |
4b604558 | 3096 | ATH10K_SKB_CB(skb)->htt.tid = ath10k_tx_h_get_tid(hdr); |
2b37c295 | 3097 | ATH10K_SKB_CB(skb)->vdev_id = ath10k_tx_h_get_vdev_id(ar, vif); |
75d85fd9 | 3098 | ATH10K_SKB_CB(skb)->txmode = ath10k_tx_h_get_txmode(ar, vif, sta, skb); |
d740d8fd | 3099 | ATH10K_SKB_CB(skb)->is_protected = ieee80211_has_protected(fc); |
5e3dd157 | 3100 | |
d740d8fd MK |
3101 | switch (ATH10K_SKB_CB(skb)->txmode) { |
3102 | case ATH10K_HW_TXRX_MGMT: | |
3103 | case ATH10K_HW_TXRX_NATIVE_WIFI: | |
4b604558 | 3104 | ath10k_tx_h_nwifi(hw, skb); |
4b604558 MK |
3105 | ath10k_tx_h_add_p2p_noa_ie(ar, vif, skb); |
3106 | ath10k_tx_h_seq_no(vif, skb); | |
d740d8fd MK |
3107 | break; |
3108 | case ATH10K_HW_TXRX_ETHERNET: | |
3109 | ath10k_tx_h_8023(skb); | |
3110 | break; | |
3111 | case ATH10K_HW_TXRX_RAW: | |
3112 | /* FIXME: Packet injection isn't implemented. It should be | |
3113 | * doable with firmware 10.2 on qca988x. | |
3114 | */ | |
3115 | WARN_ON_ONCE(1); | |
3116 | ieee80211_free_txskb(hw, skb); | |
3117 | return; | |
cf84bd4d | 3118 | } |
5e3dd157 | 3119 | |
5e3dd157 KV |
3120 | if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN) { |
3121 | spin_lock_bh(&ar->data_lock); | |
8d6d3624 | 3122 | ATH10K_SKB_CB(skb)->htt.freq = ar->scan.roc_freq; |
5e00d31a | 3123 | ATH10K_SKB_CB(skb)->vdev_id = ar->scan.vdev_id; |
5e3dd157 KV |
3124 | spin_unlock_bh(&ar->data_lock); |
3125 | ||
8d6d3624 MK |
3126 | if (ath10k_mac_need_offchan_tx_work(ar)) { |
3127 | ATH10K_SKB_CB(skb)->htt.freq = 0; | |
3128 | ATH10K_SKB_CB(skb)->htt.is_offchan = true; | |
5e3dd157 | 3129 | |
8d6d3624 MK |
3130 | ath10k_dbg(ar, ATH10K_DBG_MAC, "queued offchannel skb %p\n", |
3131 | skb); | |
3132 | ||
3133 | skb_queue_tail(&ar->offchan_tx_queue, skb); | |
3134 | ieee80211_queue_work(hw, &ar->offchan_tx_work); | |
3135 | return; | |
3136 | } | |
5e3dd157 KV |
3137 | } |
3138 | ||
d740d8fd | 3139 | ath10k_mac_tx(ar, skb); |
5e3dd157 KV |
3140 | } |
3141 | ||
bca7bafb | 3142 | /* Must not be called with conf_mutex held as workers can use that also. */ |
7962b0d8 | 3143 | void ath10k_drain_tx(struct ath10k *ar) |
bca7bafb MK |
3144 | { |
3145 | /* make sure rcu-protected mac80211 tx path itself is drained */ | |
3146 | synchronize_net(); | |
3147 | ||
3148 | ath10k_offchan_tx_purge(ar); | |
3149 | ath10k_mgmt_over_wmi_tx_purge(ar); | |
3150 | ||
3151 | cancel_work_sync(&ar->offchan_tx_work); | |
3152 | cancel_work_sync(&ar->wmi_mgmt_tx_work); | |
3153 | } | |
3154 | ||
affd3217 | 3155 | void ath10k_halt(struct ath10k *ar) |
818bdd16 | 3156 | { |
d9bc4b9b MK |
3157 | struct ath10k_vif *arvif; |
3158 | ||
818bdd16 MK |
3159 | lockdep_assert_held(&ar->conf_mutex); |
3160 | ||
1933747f MK |
3161 | clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); |
3162 | ar->filter_flags = 0; | |
3163 | ar->monitor = false; | |
3164 | ||
3165 | if (ar->monitor_started) | |
1bbc0975 | 3166 | ath10k_monitor_stop(ar); |
1933747f MK |
3167 | |
3168 | ar->monitor_started = false; | |
1bbc0975 | 3169 | |
5c81c7fd | 3170 | ath10k_scan_finish(ar); |
818bdd16 MK |
3171 | ath10k_peer_cleanup_all(ar); |
3172 | ath10k_core_stop(ar); | |
3173 | ath10k_hif_power_down(ar); | |
3174 | ||
3175 | spin_lock_bh(&ar->data_lock); | |
64badcb6 MK |
3176 | list_for_each_entry(arvif, &ar->arvifs, list) |
3177 | ath10k_mac_vif_beacon_cleanup(arvif); | |
818bdd16 MK |
3178 | spin_unlock_bh(&ar->data_lock); |
3179 | } | |
3180 | ||
46acf7bb BG |
3181 | static int ath10k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) |
3182 | { | |
3183 | struct ath10k *ar = hw->priv; | |
3184 | ||
3185 | mutex_lock(&ar->conf_mutex); | |
3186 | ||
3187 | if (ar->cfg_tx_chainmask) { | |
3188 | *tx_ant = ar->cfg_tx_chainmask; | |
3189 | *rx_ant = ar->cfg_rx_chainmask; | |
3190 | } else { | |
3191 | *tx_ant = ar->supp_tx_chainmask; | |
3192 | *rx_ant = ar->supp_rx_chainmask; | |
3193 | } | |
3194 | ||
3195 | mutex_unlock(&ar->conf_mutex); | |
3196 | ||
3197 | return 0; | |
3198 | } | |
3199 | ||
5572a95b BG |
3200 | static void ath10k_check_chain_mask(struct ath10k *ar, u32 cm, const char *dbg) |
3201 | { | |
3202 | /* It is not clear that allowing gaps in chainmask | |
3203 | * is helpful. Probably it will not do what user | |
3204 | * is hoping for, so warn in that case. | |
3205 | */ | |
3206 | if (cm == 15 || cm == 7 || cm == 3 || cm == 1 || cm == 0) | |
3207 | return; | |
3208 | ||
3209 | ath10k_warn(ar, "mac %s antenna chainmask may be invalid: 0x%x. Suggested values: 15, 7, 3, 1 or 0.\n", | |
3210 | dbg, cm); | |
3211 | } | |
3212 | ||
46acf7bb BG |
3213 | static int __ath10k_set_antenna(struct ath10k *ar, u32 tx_ant, u32 rx_ant) |
3214 | { | |
3215 | int ret; | |
3216 | ||
3217 | lockdep_assert_held(&ar->conf_mutex); | |
3218 | ||
5572a95b BG |
3219 | ath10k_check_chain_mask(ar, tx_ant, "tx"); |
3220 | ath10k_check_chain_mask(ar, rx_ant, "rx"); | |
3221 | ||
46acf7bb BG |
3222 | ar->cfg_tx_chainmask = tx_ant; |
3223 | ar->cfg_rx_chainmask = rx_ant; | |
3224 | ||
3225 | if ((ar->state != ATH10K_STATE_ON) && | |
3226 | (ar->state != ATH10K_STATE_RESTARTED)) | |
3227 | return 0; | |
3228 | ||
3229 | ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->tx_chain_mask, | |
3230 | tx_ant); | |
3231 | if (ret) { | |
7aa7a72a | 3232 | ath10k_warn(ar, "failed to set tx-chainmask: %d, req 0x%x\n", |
46acf7bb BG |
3233 | ret, tx_ant); |
3234 | return ret; | |
3235 | } | |
3236 | ||
3237 | ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->rx_chain_mask, | |
3238 | rx_ant); | |
3239 | if (ret) { | |
7aa7a72a | 3240 | ath10k_warn(ar, "failed to set rx-chainmask: %d, req 0x%x\n", |
46acf7bb BG |
3241 | ret, rx_ant); |
3242 | return ret; | |
3243 | } | |
3244 | ||
3245 | return 0; | |
3246 | } | |
3247 | ||
3248 | static int ath10k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) | |
3249 | { | |
3250 | struct ath10k *ar = hw->priv; | |
3251 | int ret; | |
3252 | ||
3253 | mutex_lock(&ar->conf_mutex); | |
3254 | ret = __ath10k_set_antenna(ar, tx_ant, rx_ant); | |
3255 | mutex_unlock(&ar->conf_mutex); | |
3256 | return ret; | |
3257 | } | |
3258 | ||
5e3dd157 KV |
3259 | static int ath10k_start(struct ieee80211_hw *hw) |
3260 | { | |
3261 | struct ath10k *ar = hw->priv; | |
818bdd16 | 3262 | int ret = 0; |
5e3dd157 | 3263 | |
bca7bafb MK |
3264 | /* |
3265 | * This makes sense only when restarting hw. It is harmless to call | |
3266 | * uncoditionally. This is necessary to make sure no HTT/WMI tx | |
3267 | * commands will be submitted while restarting. | |
3268 | */ | |
3269 | ath10k_drain_tx(ar); | |
3270 | ||
548db54c MK |
3271 | mutex_lock(&ar->conf_mutex); |
3272 | ||
c5058f5b MK |
3273 | switch (ar->state) { |
3274 | case ATH10K_STATE_OFF: | |
3275 | ar->state = ATH10K_STATE_ON; | |
3276 | break; | |
3277 | case ATH10K_STATE_RESTARTING: | |
3278 | ath10k_halt(ar); | |
3279 | ar->state = ATH10K_STATE_RESTARTED; | |
3280 | break; | |
3281 | case ATH10K_STATE_ON: | |
3282 | case ATH10K_STATE_RESTARTED: | |
3283 | case ATH10K_STATE_WEDGED: | |
3284 | WARN_ON(1); | |
818bdd16 | 3285 | ret = -EINVAL; |
ae254433 | 3286 | goto err; |
43d2a30f KV |
3287 | case ATH10K_STATE_UTF: |
3288 | ret = -EBUSY; | |
3289 | goto err; | |
818bdd16 MK |
3290 | } |
3291 | ||
3292 | ret = ath10k_hif_power_up(ar); | |
3293 | if (ret) { | |
7aa7a72a | 3294 | ath10k_err(ar, "Could not init hif: %d\n", ret); |
ae254433 | 3295 | goto err_off; |
818bdd16 MK |
3296 | } |
3297 | ||
43d2a30f | 3298 | ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL); |
818bdd16 | 3299 | if (ret) { |
7aa7a72a | 3300 | ath10k_err(ar, "Could not init core: %d\n", ret); |
ae254433 | 3301 | goto err_power_down; |
818bdd16 MK |
3302 | } |
3303 | ||
226a339b | 3304 | ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->pmf_qos, 1); |
ae254433 | 3305 | if (ret) { |
7aa7a72a | 3306 | ath10k_warn(ar, "failed to enable PMF QOS: %d\n", ret); |
ae254433 MK |
3307 | goto err_core_stop; |
3308 | } | |
5e3dd157 | 3309 | |
c4dd0d01 | 3310 | ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->dynamic_bw, 1); |
ae254433 | 3311 | if (ret) { |
7aa7a72a | 3312 | ath10k_warn(ar, "failed to enable dynamic BW: %d\n", ret); |
ae254433 MK |
3313 | goto err_core_stop; |
3314 | } | |
5e3dd157 | 3315 | |
46acf7bb BG |
3316 | if (ar->cfg_tx_chainmask) |
3317 | __ath10k_set_antenna(ar, ar->cfg_tx_chainmask, | |
3318 | ar->cfg_rx_chainmask); | |
3319 | ||
ab6258ed MP |
3320 | /* |
3321 | * By default FW set ARP frames ac to voice (6). In that case ARP | |
3322 | * exchange is not working properly for UAPSD enabled AP. ARP requests | |
3323 | * which arrives with access category 0 are processed by network stack | |
3324 | * and send back with access category 0, but FW changes access category | |
3325 | * to 6. Set ARP frames access category to best effort (0) solves | |
3326 | * this problem. | |
3327 | */ | |
3328 | ||
3329 | ret = ath10k_wmi_pdev_set_param(ar, | |
3330 | ar->wmi.pdev_param->arp_ac_override, 0); | |
3331 | if (ret) { | |
7aa7a72a | 3332 | ath10k_warn(ar, "failed to set arp ac override parameter: %d\n", |
ab6258ed | 3333 | ret); |
ae254433 | 3334 | goto err_core_stop; |
ab6258ed MP |
3335 | } |
3336 | ||
575f1c3d ARN |
3337 | ret = ath10k_wmi_pdev_set_param(ar, |
3338 | ar->wmi.pdev_param->ani_enable, 1); | |
3339 | if (ret) { | |
3340 | ath10k_warn(ar, "failed to enable ani by default: %d\n", | |
3341 | ret); | |
3342 | goto err_core_stop; | |
3343 | } | |
3344 | ||
b3e71d7a ARN |
3345 | ar->ani_enabled = true; |
3346 | ||
d650097b | 3347 | ar->num_started_vdevs = 0; |
f7843d7f MK |
3348 | ath10k_regd_update(ar); |
3349 | ||
855aed12 | 3350 | ath10k_spectral_start(ar); |
8515b5c7 | 3351 | ath10k_thermal_set_throttling(ar); |
855aed12 | 3352 | |
ae254433 MK |
3353 | mutex_unlock(&ar->conf_mutex); |
3354 | return 0; | |
3355 | ||
3356 | err_core_stop: | |
3357 | ath10k_core_stop(ar); | |
3358 | ||
3359 | err_power_down: | |
3360 | ath10k_hif_power_down(ar); | |
3361 | ||
3362 | err_off: | |
3363 | ar->state = ATH10K_STATE_OFF; | |
3364 | ||
3365 | err: | |
548db54c | 3366 | mutex_unlock(&ar->conf_mutex); |
c60bdd83 | 3367 | return ret; |
5e3dd157 KV |
3368 | } |
3369 | ||
3370 | static void ath10k_stop(struct ieee80211_hw *hw) | |
3371 | { | |
3372 | struct ath10k *ar = hw->priv; | |
3373 | ||
bca7bafb MK |
3374 | ath10k_drain_tx(ar); |
3375 | ||
548db54c | 3376 | mutex_lock(&ar->conf_mutex); |
c5058f5b | 3377 | if (ar->state != ATH10K_STATE_OFF) { |
818bdd16 | 3378 | ath10k_halt(ar); |
c5058f5b MK |
3379 | ar->state = ATH10K_STATE_OFF; |
3380 | } | |
548db54c MK |
3381 | mutex_unlock(&ar->conf_mutex); |
3382 | ||
5c81c7fd | 3383 | cancel_delayed_work_sync(&ar->scan.timeout); |
affd3217 | 3384 | cancel_work_sync(&ar->restart_work); |
5e3dd157 KV |
3385 | } |
3386 | ||
ad088bfa | 3387 | static int ath10k_config_ps(struct ath10k *ar) |
5e3dd157 | 3388 | { |
ad088bfa MK |
3389 | struct ath10k_vif *arvif; |
3390 | int ret = 0; | |
affd3217 MK |
3391 | |
3392 | lockdep_assert_held(&ar->conf_mutex); | |
3393 | ||
ad088bfa MK |
3394 | list_for_each_entry(arvif, &ar->arvifs, list) { |
3395 | ret = ath10k_mac_vif_setup_ps(arvif); | |
3396 | if (ret) { | |
7aa7a72a | 3397 | ath10k_warn(ar, "failed to setup powersave: %d\n", ret); |
ad088bfa MK |
3398 | break; |
3399 | } | |
3400 | } | |
affd3217 | 3401 | |
ad088bfa | 3402 | return ret; |
affd3217 MK |
3403 | } |
3404 | ||
c930f744 MK |
3405 | static const char *chandef_get_width(enum nl80211_chan_width width) |
3406 | { | |
3407 | switch (width) { | |
3408 | case NL80211_CHAN_WIDTH_20_NOHT: | |
3409 | return "20 (noht)"; | |
3410 | case NL80211_CHAN_WIDTH_20: | |
3411 | return "20"; | |
3412 | case NL80211_CHAN_WIDTH_40: | |
3413 | return "40"; | |
3414 | case NL80211_CHAN_WIDTH_80: | |
3415 | return "80"; | |
3416 | case NL80211_CHAN_WIDTH_80P80: | |
3417 | return "80+80"; | |
3418 | case NL80211_CHAN_WIDTH_160: | |
3419 | return "160"; | |
3420 | case NL80211_CHAN_WIDTH_5: | |
3421 | return "5"; | |
3422 | case NL80211_CHAN_WIDTH_10: | |
3423 | return "10"; | |
3424 | } | |
3425 | return "?"; | |
3426 | } | |
3427 | ||
3428 | static void ath10k_config_chan(struct ath10k *ar) | |
3429 | { | |
3430 | struct ath10k_vif *arvif; | |
c930f744 MK |
3431 | int ret; |
3432 | ||
3433 | lockdep_assert_held(&ar->conf_mutex); | |
3434 | ||
7aa7a72a | 3435 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
c930f744 MK |
3436 | "mac config channel to %dMHz (cf1 %dMHz cf2 %dMHz width %s)\n", |
3437 | ar->chandef.chan->center_freq, | |
3438 | ar->chandef.center_freq1, | |
3439 | ar->chandef.center_freq2, | |
3440 | chandef_get_width(ar->chandef.width)); | |
3441 | ||
3442 | /* First stop monitor interface. Some FW versions crash if there's a | |
3443 | * lone monitor interface. */ | |
1bbc0975 | 3444 | if (ar->monitor_started) |
1933747f | 3445 | ath10k_monitor_stop(ar); |
c930f744 MK |
3446 | |
3447 | list_for_each_entry(arvif, &ar->arvifs, list) { | |
3448 | if (!arvif->is_started) | |
3449 | continue; | |
3450 | ||
dc55e307 MK |
3451 | if (!arvif->is_up) |
3452 | continue; | |
3453 | ||
c930f744 MK |
3454 | if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) |
3455 | continue; | |
3456 | ||
dc55e307 | 3457 | ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); |
c930f744 | 3458 | if (ret) { |
7aa7a72a | 3459 | ath10k_warn(ar, "failed to down vdev %d: %d\n", |
c930f744 MK |
3460 | arvif->vdev_id, ret); |
3461 | continue; | |
3462 | } | |
3463 | } | |
3464 | ||
dc55e307 | 3465 | /* all vdevs are downed now - attempt to restart and re-up them */ |
c930f744 MK |
3466 | |
3467 | list_for_each_entry(arvif, &ar->arvifs, list) { | |
3468 | if (!arvif->is_started) | |
3469 | continue; | |
3470 | ||
3471 | if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) | |
3472 | continue; | |
3473 | ||
81a9a17d MK |
3474 | ret = ath10k_mac_setup_bcn_tmpl(arvif); |
3475 | if (ret) | |
3476 | ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n", | |
3477 | ret); | |
3478 | ||
3479 | ret = ath10k_mac_setup_prb_tmpl(arvif); | |
3480 | if (ret) | |
3481 | ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n", | |
3482 | ret); | |
3483 | ||
dc55e307 | 3484 | ret = ath10k_vdev_restart(arvif); |
c930f744 | 3485 | if (ret) { |
7aa7a72a | 3486 | ath10k_warn(ar, "failed to restart vdev %d: %d\n", |
c930f744 MK |
3487 | arvif->vdev_id, ret); |
3488 | continue; | |
3489 | } | |
3490 | ||
3491 | if (!arvif->is_up) | |
3492 | continue; | |
3493 | ||
3494 | ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid, | |
3495 | arvif->bssid); | |
3496 | if (ret) { | |
7aa7a72a | 3497 | ath10k_warn(ar, "failed to bring vdev up %d: %d\n", |
c930f744 MK |
3498 | arvif->vdev_id, ret); |
3499 | continue; | |
3500 | } | |
3501 | } | |
3502 | ||
1933747f | 3503 | ath10k_monitor_recalc(ar); |
c930f744 MK |
3504 | } |
3505 | ||
7d9d5587 MK |
3506 | static int ath10k_mac_txpower_setup(struct ath10k *ar, int txpower) |
3507 | { | |
3508 | int ret; | |
3509 | u32 param; | |
3510 | ||
3511 | lockdep_assert_held(&ar->conf_mutex); | |
3512 | ||
3513 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac txpower %d\n", txpower); | |
3514 | ||
3515 | param = ar->wmi.pdev_param->txpower_limit2g; | |
3516 | ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2); | |
3517 | if (ret) { | |
3518 | ath10k_warn(ar, "failed to set 2g txpower %d: %d\n", | |
3519 | txpower, ret); | |
3520 | return ret; | |
3521 | } | |
3522 | ||
3523 | param = ar->wmi.pdev_param->txpower_limit5g; | |
3524 | ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2); | |
3525 | if (ret) { | |
3526 | ath10k_warn(ar, "failed to set 5g txpower %d: %d\n", | |
3527 | txpower, ret); | |
3528 | return ret; | |
3529 | } | |
3530 | ||
3531 | return 0; | |
3532 | } | |
3533 | ||
3534 | static int ath10k_mac_txpower_recalc(struct ath10k *ar) | |
3535 | { | |
3536 | struct ath10k_vif *arvif; | |
3537 | int ret, txpower = -1; | |
3538 | ||
3539 | lockdep_assert_held(&ar->conf_mutex); | |
3540 | ||
3541 | list_for_each_entry(arvif, &ar->arvifs, list) { | |
3542 | WARN_ON(arvif->txpower < 0); | |
3543 | ||
3544 | if (txpower == -1) | |
3545 | txpower = arvif->txpower; | |
3546 | else | |
3547 | txpower = min(txpower, arvif->txpower); | |
3548 | } | |
3549 | ||
3550 | if (WARN_ON(txpower == -1)) | |
3551 | return -EINVAL; | |
3552 | ||
3553 | ret = ath10k_mac_txpower_setup(ar, txpower); | |
3554 | if (ret) { | |
3555 | ath10k_warn(ar, "failed to setup tx power %d: %d\n", | |
3556 | txpower, ret); | |
3557 | return ret; | |
3558 | } | |
3559 | ||
3560 | return 0; | |
3561 | } | |
3562 | ||
affd3217 MK |
3563 | static int ath10k_config(struct ieee80211_hw *hw, u32 changed) |
3564 | { | |
5e3dd157 KV |
3565 | struct ath10k *ar = hw->priv; |
3566 | struct ieee80211_conf *conf = &hw->conf; | |
3567 | int ret = 0; | |
5e3dd157 KV |
3568 | |
3569 | mutex_lock(&ar->conf_mutex); | |
3570 | ||
3571 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { | |
7aa7a72a | 3572 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
d650097b | 3573 | "mac config channel %dMHz flags 0x%x radar %d\n", |
e8a50f8b | 3574 | conf->chandef.chan->center_freq, |
d650097b MK |
3575 | conf->chandef.chan->flags, |
3576 | conf->radar_enabled); | |
e8a50f8b | 3577 | |
5e3dd157 KV |
3578 | spin_lock_bh(&ar->data_lock); |
3579 | ar->rx_channel = conf->chandef.chan; | |
3580 | spin_unlock_bh(&ar->data_lock); | |
e8a50f8b | 3581 | |
d650097b MK |
3582 | ar->radar_enabled = conf->radar_enabled; |
3583 | ath10k_recalc_radar_detection(ar); | |
c930f744 MK |
3584 | |
3585 | if (!cfg80211_chandef_identical(&ar->chandef, &conf->chandef)) { | |
3586 | ar->chandef = conf->chandef; | |
3587 | ath10k_config_chan(ar); | |
3588 | } | |
5e3dd157 KV |
3589 | } |
3590 | ||
affd3217 MK |
3591 | if (changed & IEEE80211_CONF_CHANGE_PS) |
3592 | ath10k_config_ps(ar); | |
5e3dd157 KV |
3593 | |
3594 | if (changed & IEEE80211_CONF_CHANGE_MONITOR) { | |
1933747f MK |
3595 | ar->monitor = conf->flags & IEEE80211_CONF_MONITOR; |
3596 | ret = ath10k_monitor_recalc(ar); | |
3597 | if (ret) | |
3598 | ath10k_warn(ar, "failed to recalc monitor: %d\n", ret); | |
5e3dd157 KV |
3599 | } |
3600 | ||
3601 | mutex_unlock(&ar->conf_mutex); | |
3602 | return ret; | |
3603 | } | |
3604 | ||
5572a95b BG |
3605 | static u32 get_nss_from_chainmask(u16 chain_mask) |
3606 | { | |
3607 | if ((chain_mask & 0x15) == 0x15) | |
3608 | return 4; | |
3609 | else if ((chain_mask & 0x7) == 0x7) | |
3610 | return 3; | |
3611 | else if ((chain_mask & 0x3) == 0x3) | |
3612 | return 2; | |
3613 | return 1; | |
3614 | } | |
3615 | ||
5e3dd157 KV |
3616 | /* |
3617 | * TODO: | |
3618 | * Figure out how to handle WMI_VDEV_SUBTYPE_P2P_DEVICE, | |
3619 | * because we will send mgmt frames without CCK. This requirement | |
3620 | * for P2P_FIND/GO_NEG should be handled by checking CCK flag | |
3621 | * in the TX packet. | |
3622 | */ | |
3623 | static int ath10k_add_interface(struct ieee80211_hw *hw, | |
3624 | struct ieee80211_vif *vif) | |
3625 | { | |
3626 | struct ath10k *ar = hw->priv; | |
3627 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
3628 | enum wmi_sta_powersave_param param; | |
3629 | int ret = 0; | |
5a13e76e | 3630 | u32 value; |
5e3dd157 | 3631 | int bit; |
6d1506e7 | 3632 | u32 vdev_param; |
5e3dd157 | 3633 | |
848955cc JB |
3634 | vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; |
3635 | ||
5e3dd157 KV |
3636 | mutex_lock(&ar->conf_mutex); |
3637 | ||
0dbd09e6 MK |
3638 | memset(arvif, 0, sizeof(*arvif)); |
3639 | ||
5e3dd157 KV |
3640 | arvif->ar = ar; |
3641 | arvif->vif = vif; | |
3642 | ||
e63b33f3 | 3643 | INIT_LIST_HEAD(&arvif->list); |
81a9a17d | 3644 | INIT_WORK(&arvif->ap_csa_work, ath10k_mac_vif_ap_csa_work); |
cc9904e6 MK |
3645 | INIT_DELAYED_WORK(&arvif->connection_loss_work, |
3646 | ath10k_mac_vif_sta_connection_loss_work); | |
cc4827b9 | 3647 | |
a9aefb3b | 3648 | if (ar->free_vdev_map == 0) { |
7aa7a72a | 3649 | ath10k_warn(ar, "Free vdev map is empty, no more interfaces allowed.\n"); |
5e3dd157 | 3650 | ret = -EBUSY; |
9dad14ae | 3651 | goto err; |
5e3dd157 | 3652 | } |
16c11176 | 3653 | bit = __ffs64(ar->free_vdev_map); |
5e3dd157 | 3654 | |
16c11176 BG |
3655 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac create vdev %i map %llx\n", |
3656 | bit, ar->free_vdev_map); | |
5e3dd157 | 3657 | |
16c11176 | 3658 | arvif->vdev_id = bit; |
5e3dd157 | 3659 | arvif->vdev_subtype = WMI_VDEV_SUBTYPE_NONE; |
5e3dd157 | 3660 | |
5e3dd157 | 3661 | switch (vif->type) { |
75d2bd48 MK |
3662 | case NL80211_IFTYPE_P2P_DEVICE: |
3663 | arvif->vdev_type = WMI_VDEV_TYPE_STA; | |
3664 | arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_DEVICE; | |
3665 | break; | |
5e3dd157 KV |
3666 | case NL80211_IFTYPE_UNSPECIFIED: |
3667 | case NL80211_IFTYPE_STATION: | |
3668 | arvif->vdev_type = WMI_VDEV_TYPE_STA; | |
3669 | if (vif->p2p) | |
3670 | arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_CLIENT; | |
3671 | break; | |
3672 | case NL80211_IFTYPE_ADHOC: | |
3673 | arvif->vdev_type = WMI_VDEV_TYPE_IBSS; | |
3674 | break; | |
3675 | case NL80211_IFTYPE_AP: | |
3676 | arvif->vdev_type = WMI_VDEV_TYPE_AP; | |
3677 | ||
3678 | if (vif->p2p) | |
3679 | arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_GO; | |
3680 | break; | |
3681 | case NL80211_IFTYPE_MONITOR: | |
3682 | arvif->vdev_type = WMI_VDEV_TYPE_MONITOR; | |
3683 | break; | |
3684 | default: | |
3685 | WARN_ON(1); | |
3686 | break; | |
3687 | } | |
3688 | ||
64badcb6 MK |
3689 | /* Some firmware revisions don't wait for beacon tx completion before |
3690 | * sending another SWBA event. This could lead to hardware using old | |
3691 | * (freed) beacon data in some cases, e.g. tx credit starvation | |
3692 | * combined with missed TBTT. This is very very rare. | |
3693 | * | |
3694 | * On non-IOMMU-enabled hosts this could be a possible security issue | |
3695 | * because hw could beacon some random data on the air. On | |
3696 | * IOMMU-enabled hosts DMAR faults would occur in most cases and target | |
3697 | * device would crash. | |
3698 | * | |
3699 | * Since there are no beacon tx completions (implicit nor explicit) | |
3700 | * propagated to host the only workaround for this is to allocate a | |
3701 | * DMA-coherent buffer for a lifetime of a vif and use it for all | |
3702 | * beacon tx commands. Worst case for this approach is some beacons may | |
3703 | * become corrupted, e.g. have garbled IEs or out-of-date TIM bitmap. | |
3704 | */ | |
3705 | if (vif->type == NL80211_IFTYPE_ADHOC || | |
3706 | vif->type == NL80211_IFTYPE_AP) { | |
3707 | arvif->beacon_buf = dma_zalloc_coherent(ar->dev, | |
3708 | IEEE80211_MAX_FRAME_LEN, | |
3709 | &arvif->beacon_paddr, | |
82d7aba7 | 3710 | GFP_ATOMIC); |
64badcb6 MK |
3711 | if (!arvif->beacon_buf) { |
3712 | ret = -ENOMEM; | |
3713 | ath10k_warn(ar, "failed to allocate beacon buffer: %d\n", | |
3714 | ret); | |
3715 | goto err; | |
3716 | } | |
3717 | } | |
3718 | ||
3719 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev create %d (add interface) type %d subtype %d bcnmode %s\n", | |
3720 | arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype, | |
3721 | arvif->beacon_buf ? "single-buf" : "per-skb"); | |
5e3dd157 KV |
3722 | |
3723 | ret = ath10k_wmi_vdev_create(ar, arvif->vdev_id, arvif->vdev_type, | |
3724 | arvif->vdev_subtype, vif->addr); | |
3725 | if (ret) { | |
7aa7a72a | 3726 | ath10k_warn(ar, "failed to create WMI vdev %i: %d\n", |
69244e56 | 3727 | arvif->vdev_id, ret); |
9dad14ae | 3728 | goto err; |
5e3dd157 KV |
3729 | } |
3730 | ||
16c11176 | 3731 | ar->free_vdev_map &= ~(1LL << arvif->vdev_id); |
0579119f | 3732 | list_add(&arvif->list, &ar->arvifs); |
9dad14ae | 3733 | |
46725b15 MK |
3734 | /* It makes no sense to have firmware do keepalives. mac80211 already |
3735 | * takes care of this with idle connection polling. | |
3736 | */ | |
3737 | ret = ath10k_mac_vif_disable_keepalive(arvif); | |
9dad14ae | 3738 | if (ret) { |
46725b15 | 3739 | ath10k_warn(ar, "failed to disable keepalive on vdev %i: %d\n", |
69244e56 | 3740 | arvif->vdev_id, ret); |
9dad14ae MK |
3741 | goto err_vdev_delete; |
3742 | } | |
5e3dd157 | 3743 | |
627613f8 | 3744 | arvif->def_wep_key_idx = -1; |
5e3dd157 | 3745 | |
6d1506e7 BM |
3746 | vdev_param = ar->wmi.vdev_param->tx_encap_type; |
3747 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 | 3748 | ATH10K_HW_TXRX_NATIVE_WIFI); |
ebc9abdd | 3749 | /* 10.X firmware does not support this VDEV parameter. Do not warn */ |
9dad14ae | 3750 | if (ret && ret != -EOPNOTSUPP) { |
7aa7a72a | 3751 | ath10k_warn(ar, "failed to set vdev %i TX encapsulation: %d\n", |
69244e56 | 3752 | arvif->vdev_id, ret); |
9dad14ae MK |
3753 | goto err_vdev_delete; |
3754 | } | |
5e3dd157 | 3755 | |
5572a95b BG |
3756 | if (ar->cfg_tx_chainmask) { |
3757 | u16 nss = get_nss_from_chainmask(ar->cfg_tx_chainmask); | |
3758 | ||
3759 | vdev_param = ar->wmi.vdev_param->nss; | |
3760 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
3761 | nss); | |
3762 | if (ret) { | |
3763 | ath10k_warn(ar, "failed to set vdev %i chainmask 0x%x, nss %i: %d\n", | |
3764 | arvif->vdev_id, ar->cfg_tx_chainmask, nss, | |
3765 | ret); | |
3766 | goto err_vdev_delete; | |
3767 | } | |
3768 | } | |
3769 | ||
5e3dd157 | 3770 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { |
7390ed34 MP |
3771 | ret = ath10k_peer_create(ar, arvif->vdev_id, vif->addr, |
3772 | WMI_PEER_TYPE_DEFAULT); | |
5e3dd157 | 3773 | if (ret) { |
7aa7a72a | 3774 | ath10k_warn(ar, "failed to create vdev %i peer for AP: %d\n", |
69244e56 | 3775 | arvif->vdev_id, ret); |
9dad14ae | 3776 | goto err_vdev_delete; |
5e3dd157 | 3777 | } |
cdf07409 | 3778 | |
5a13e76e KV |
3779 | ret = ath10k_mac_set_kickout(arvif); |
3780 | if (ret) { | |
7aa7a72a | 3781 | ath10k_warn(ar, "failed to set vdev %i kickout parameters: %d\n", |
69244e56 | 3782 | arvif->vdev_id, ret); |
5a13e76e KV |
3783 | goto err_peer_delete; |
3784 | } | |
5e3dd157 KV |
3785 | } |
3786 | ||
3787 | if (arvif->vdev_type == WMI_VDEV_TYPE_STA) { | |
3788 | param = WMI_STA_PS_PARAM_RX_WAKE_POLICY; | |
3789 | value = WMI_STA_PS_RX_WAKE_POLICY_WAKE; | |
3790 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
3791 | param, value); | |
9dad14ae | 3792 | if (ret) { |
7aa7a72a | 3793 | ath10k_warn(ar, "failed to set vdev %i RX wake policy: %d\n", |
69244e56 | 3794 | arvif->vdev_id, ret); |
9dad14ae MK |
3795 | goto err_peer_delete; |
3796 | } | |
5e3dd157 | 3797 | |
9f9b5746 | 3798 | ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif); |
9dad14ae | 3799 | if (ret) { |
9f9b5746 | 3800 | ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n", |
69244e56 | 3801 | arvif->vdev_id, ret); |
9dad14ae MK |
3802 | goto err_peer_delete; |
3803 | } | |
5e3dd157 | 3804 | |
9f9b5746 | 3805 | ret = ath10k_mac_vif_recalc_ps_poll_count(arvif); |
9dad14ae | 3806 | if (ret) { |
9f9b5746 | 3807 | ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n", |
69244e56 | 3808 | arvif->vdev_id, ret); |
9dad14ae MK |
3809 | goto err_peer_delete; |
3810 | } | |
5e3dd157 KV |
3811 | } |
3812 | ||
424121c3 | 3813 | ret = ath10k_mac_set_rts(arvif, ar->hw->wiphy->rts_threshold); |
9dad14ae | 3814 | if (ret) { |
7aa7a72a | 3815 | ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n", |
679c54a6 | 3816 | arvif->vdev_id, ret); |
9dad14ae MK |
3817 | goto err_peer_delete; |
3818 | } | |
679c54a6 | 3819 | |
424121c3 | 3820 | ret = ath10k_mac_set_frag(arvif, ar->hw->wiphy->frag_threshold); |
9dad14ae | 3821 | if (ret) { |
7aa7a72a | 3822 | ath10k_warn(ar, "failed to set frag threshold for vdev %d: %d\n", |
679c54a6 | 3823 | arvif->vdev_id, ret); |
9dad14ae MK |
3824 | goto err_peer_delete; |
3825 | } | |
679c54a6 | 3826 | |
7d9d5587 MK |
3827 | arvif->txpower = vif->bss_conf.txpower; |
3828 | ret = ath10k_mac_txpower_recalc(ar); | |
3829 | if (ret) { | |
3830 | ath10k_warn(ar, "failed to recalc tx power: %d\n", ret); | |
3831 | goto err_peer_delete; | |
3832 | } | |
3833 | ||
5e3dd157 | 3834 | mutex_unlock(&ar->conf_mutex); |
9dad14ae MK |
3835 | return 0; |
3836 | ||
3837 | err_peer_delete: | |
3838 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP) | |
3839 | ath10k_wmi_peer_delete(ar, arvif->vdev_id, vif->addr); | |
3840 | ||
3841 | err_vdev_delete: | |
3842 | ath10k_wmi_vdev_delete(ar, arvif->vdev_id); | |
16c11176 | 3843 | ar->free_vdev_map |= 1LL << arvif->vdev_id; |
0579119f | 3844 | list_del(&arvif->list); |
9dad14ae MK |
3845 | |
3846 | err: | |
64badcb6 MK |
3847 | if (arvif->beacon_buf) { |
3848 | dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN, | |
3849 | arvif->beacon_buf, arvif->beacon_paddr); | |
3850 | arvif->beacon_buf = NULL; | |
3851 | } | |
3852 | ||
9dad14ae MK |
3853 | mutex_unlock(&ar->conf_mutex); |
3854 | ||
5e3dd157 KV |
3855 | return ret; |
3856 | } | |
3857 | ||
3858 | static void ath10k_remove_interface(struct ieee80211_hw *hw, | |
3859 | struct ieee80211_vif *vif) | |
3860 | { | |
3861 | struct ath10k *ar = hw->priv; | |
3862 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
3863 | int ret; | |
3864 | ||
81a9a17d | 3865 | cancel_work_sync(&arvif->ap_csa_work); |
cc9904e6 | 3866 | cancel_delayed_work_sync(&arvif->connection_loss_work); |
81a9a17d | 3867 | |
5d011f5c SM |
3868 | mutex_lock(&ar->conf_mutex); |
3869 | ||
ed54388a | 3870 | spin_lock_bh(&ar->data_lock); |
64badcb6 | 3871 | ath10k_mac_vif_beacon_cleanup(arvif); |
ed54388a MK |
3872 | spin_unlock_bh(&ar->data_lock); |
3873 | ||
855aed12 SW |
3874 | ret = ath10k_spectral_vif_stop(arvif); |
3875 | if (ret) | |
7aa7a72a | 3876 | ath10k_warn(ar, "failed to stop spectral for vdev %i: %d\n", |
855aed12 SW |
3877 | arvif->vdev_id, ret); |
3878 | ||
16c11176 | 3879 | ar->free_vdev_map |= 1LL << arvif->vdev_id; |
0579119f | 3880 | list_del(&arvif->list); |
5e3dd157 KV |
3881 | |
3882 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { | |
2c512059 MK |
3883 | ret = ath10k_wmi_peer_delete(arvif->ar, arvif->vdev_id, |
3884 | vif->addr); | |
5e3dd157 | 3885 | if (ret) |
2c512059 | 3886 | ath10k_warn(ar, "failed to submit AP self-peer removal on vdev %i: %d\n", |
69244e56 | 3887 | arvif->vdev_id, ret); |
5e3dd157 KV |
3888 | |
3889 | kfree(arvif->u.ap.noa_data); | |
3890 | } | |
3891 | ||
7aa7a72a | 3892 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i delete (remove interface)\n", |
60c3daa8 KV |
3893 | arvif->vdev_id); |
3894 | ||
5e3dd157 KV |
3895 | ret = ath10k_wmi_vdev_delete(ar, arvif->vdev_id); |
3896 | if (ret) | |
7aa7a72a | 3897 | ath10k_warn(ar, "failed to delete WMI vdev %i: %d\n", |
69244e56 | 3898 | arvif->vdev_id, ret); |
5e3dd157 | 3899 | |
2c512059 MK |
3900 | /* Some firmware revisions don't notify host about self-peer removal |
3901 | * until after associated vdev is deleted. | |
3902 | */ | |
3903 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { | |
3904 | ret = ath10k_wait_for_peer_deleted(ar, arvif->vdev_id, | |
3905 | vif->addr); | |
3906 | if (ret) | |
3907 | ath10k_warn(ar, "failed to remove AP self-peer on vdev %i: %d\n", | |
3908 | arvif->vdev_id, ret); | |
3909 | ||
3910 | spin_lock_bh(&ar->data_lock); | |
3911 | ar->num_peers--; | |
3912 | spin_unlock_bh(&ar->data_lock); | |
3913 | } | |
3914 | ||
5e3dd157 KV |
3915 | ath10k_peer_cleanup(ar, arvif->vdev_id); |
3916 | ||
3917 | mutex_unlock(&ar->conf_mutex); | |
3918 | } | |
3919 | ||
3920 | /* | |
3921 | * FIXME: Has to be verified. | |
3922 | */ | |
3923 | #define SUPPORTED_FILTERS \ | |
3924 | (FIF_PROMISC_IN_BSS | \ | |
3925 | FIF_ALLMULTI | \ | |
3926 | FIF_CONTROL | \ | |
3927 | FIF_PSPOLL | \ | |
3928 | FIF_OTHER_BSS | \ | |
3929 | FIF_BCN_PRBRESP_PROMISC | \ | |
3930 | FIF_PROBE_REQ | \ | |
3931 | FIF_FCSFAIL) | |
3932 | ||
3933 | static void ath10k_configure_filter(struct ieee80211_hw *hw, | |
3934 | unsigned int changed_flags, | |
3935 | unsigned int *total_flags, | |
3936 | u64 multicast) | |
3937 | { | |
3938 | struct ath10k *ar = hw->priv; | |
3939 | int ret; | |
3940 | ||
3941 | mutex_lock(&ar->conf_mutex); | |
3942 | ||
3943 | changed_flags &= SUPPORTED_FILTERS; | |
3944 | *total_flags &= SUPPORTED_FILTERS; | |
3945 | ar->filter_flags = *total_flags; | |
3946 | ||
1933747f MK |
3947 | ret = ath10k_monitor_recalc(ar); |
3948 | if (ret) | |
3949 | ath10k_warn(ar, "failed to recalc montior: %d\n", ret); | |
5e3dd157 KV |
3950 | |
3951 | mutex_unlock(&ar->conf_mutex); | |
3952 | } | |
3953 | ||
3954 | static void ath10k_bss_info_changed(struct ieee80211_hw *hw, | |
3955 | struct ieee80211_vif *vif, | |
3956 | struct ieee80211_bss_conf *info, | |
3957 | u32 changed) | |
3958 | { | |
3959 | struct ath10k *ar = hw->priv; | |
3960 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
3961 | int ret = 0; | |
af762c0b | 3962 | u32 vdev_param, pdev_param, slottime, preamble; |
5e3dd157 KV |
3963 | |
3964 | mutex_lock(&ar->conf_mutex); | |
3965 | ||
3966 | if (changed & BSS_CHANGED_IBSS) | |
3967 | ath10k_control_ibss(arvif, info, vif->addr); | |
3968 | ||
3969 | if (changed & BSS_CHANGED_BEACON_INT) { | |
3970 | arvif->beacon_interval = info->beacon_int; | |
6d1506e7 BM |
3971 | vdev_param = ar->wmi.vdev_param->beacon_interval; |
3972 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 | 3973 | arvif->beacon_interval); |
7aa7a72a | 3974 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
3975 | "mac vdev %d beacon_interval %d\n", |
3976 | arvif->vdev_id, arvif->beacon_interval); | |
3977 | ||
5e3dd157 | 3978 | if (ret) |
7aa7a72a | 3979 | ath10k_warn(ar, "failed to set beacon interval for vdev %d: %i\n", |
69244e56 | 3980 | arvif->vdev_id, ret); |
5e3dd157 KV |
3981 | } |
3982 | ||
3983 | if (changed & BSS_CHANGED_BEACON) { | |
7aa7a72a | 3984 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
3985 | "vdev %d set beacon tx mode to staggered\n", |
3986 | arvif->vdev_id); | |
3987 | ||
226a339b BM |
3988 | pdev_param = ar->wmi.pdev_param->beacon_tx_mode; |
3989 | ret = ath10k_wmi_pdev_set_param(ar, pdev_param, | |
5e3dd157 KV |
3990 | WMI_BEACON_STAGGERED_MODE); |
3991 | if (ret) | |
7aa7a72a | 3992 | ath10k_warn(ar, "failed to set beacon mode for vdev %d: %i\n", |
69244e56 | 3993 | arvif->vdev_id, ret); |
fbb8f1b7 MK |
3994 | |
3995 | ret = ath10k_mac_setup_bcn_tmpl(arvif); | |
3996 | if (ret) | |
3997 | ath10k_warn(ar, "failed to update beacon template: %d\n", | |
3998 | ret); | |
3999 | } | |
4000 | ||
4001 | if (changed & BSS_CHANGED_AP_PROBE_RESP) { | |
4002 | ret = ath10k_mac_setup_prb_tmpl(arvif); | |
4003 | if (ret) | |
4004 | ath10k_warn(ar, "failed to setup probe resp template on vdev %i: %d\n", | |
4005 | arvif->vdev_id, ret); | |
5e3dd157 KV |
4006 | } |
4007 | ||
ba2479fe | 4008 | if (changed & (BSS_CHANGED_BEACON_INFO | BSS_CHANGED_BEACON)) { |
5e3dd157 KV |
4009 | arvif->dtim_period = info->dtim_period; |
4010 | ||
7aa7a72a | 4011 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
4012 | "mac vdev %d dtim_period %d\n", |
4013 | arvif->vdev_id, arvif->dtim_period); | |
4014 | ||
6d1506e7 BM |
4015 | vdev_param = ar->wmi.vdev_param->dtim_period; |
4016 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 KV |
4017 | arvif->dtim_period); |
4018 | if (ret) | |
7aa7a72a | 4019 | ath10k_warn(ar, "failed to set dtim period for vdev %d: %i\n", |
69244e56 | 4020 | arvif->vdev_id, ret); |
5e3dd157 KV |
4021 | } |
4022 | ||
4023 | if (changed & BSS_CHANGED_SSID && | |
4024 | vif->type == NL80211_IFTYPE_AP) { | |
4025 | arvif->u.ap.ssid_len = info->ssid_len; | |
4026 | if (info->ssid_len) | |
4027 | memcpy(arvif->u.ap.ssid, info->ssid, info->ssid_len); | |
4028 | arvif->u.ap.hidden_ssid = info->hidden_ssid; | |
4029 | } | |
4030 | ||
077efc8c MK |
4031 | if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid)) |
4032 | ether_addr_copy(arvif->bssid, info->bssid); | |
5e3dd157 KV |
4033 | |
4034 | if (changed & BSS_CHANGED_BEACON_ENABLED) | |
4035 | ath10k_control_beaconing(arvif, info); | |
4036 | ||
4037 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
e81bd104 | 4038 | arvif->use_cts_prot = info->use_cts_prot; |
7aa7a72a | 4039 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d cts_prot %d\n", |
e81bd104 | 4040 | arvif->vdev_id, info->use_cts_prot); |
60c3daa8 | 4041 | |
e81bd104 | 4042 | ret = ath10k_recalc_rtscts_prot(arvif); |
5e3dd157 | 4043 | if (ret) |
7aa7a72a | 4044 | ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n", |
69244e56 | 4045 | arvif->vdev_id, ret); |
a87fd4b9 MK |
4046 | |
4047 | vdev_param = ar->wmi.vdev_param->protection_mode; | |
4048 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
4049 | info->use_cts_prot ? 1 : 0); | |
4050 | if (ret) | |
4051 | ath10k_warn(ar, "failed to set protection mode %d on vdev %i: %d\n", | |
4052 | info->use_cts_prot, arvif->vdev_id, ret); | |
5e3dd157 KV |
4053 | } |
4054 | ||
4055 | if (changed & BSS_CHANGED_ERP_SLOT) { | |
5e3dd157 KV |
4056 | if (info->use_short_slot) |
4057 | slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */ | |
4058 | ||
4059 | else | |
4060 | slottime = WMI_VDEV_SLOT_TIME_LONG; /* 20us */ | |
4061 | ||
7aa7a72a | 4062 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d slot_time %d\n", |
60c3daa8 KV |
4063 | arvif->vdev_id, slottime); |
4064 | ||
6d1506e7 BM |
4065 | vdev_param = ar->wmi.vdev_param->slot_time; |
4066 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 KV |
4067 | slottime); |
4068 | if (ret) | |
7aa7a72a | 4069 | ath10k_warn(ar, "failed to set erp slot for vdev %d: %i\n", |
69244e56 | 4070 | arvif->vdev_id, ret); |
5e3dd157 KV |
4071 | } |
4072 | ||
4073 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
5e3dd157 KV |
4074 | if (info->use_short_preamble) |
4075 | preamble = WMI_VDEV_PREAMBLE_SHORT; | |
4076 | else | |
4077 | preamble = WMI_VDEV_PREAMBLE_LONG; | |
4078 | ||
7aa7a72a | 4079 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
4080 | "mac vdev %d preamble %dn", |
4081 | arvif->vdev_id, preamble); | |
4082 | ||
6d1506e7 BM |
4083 | vdev_param = ar->wmi.vdev_param->preamble; |
4084 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 KV |
4085 | preamble); |
4086 | if (ret) | |
7aa7a72a | 4087 | ath10k_warn(ar, "failed to set preamble for vdev %d: %i\n", |
69244e56 | 4088 | arvif->vdev_id, ret); |
5e3dd157 KV |
4089 | } |
4090 | ||
4091 | if (changed & BSS_CHANGED_ASSOC) { | |
e556f111 MK |
4092 | if (info->assoc) { |
4093 | /* Workaround: Make sure monitor vdev is not running | |
4094 | * when associating to prevent some firmware revisions | |
4095 | * (e.g. 10.1 and 10.2) from crashing. | |
4096 | */ | |
4097 | if (ar->monitor_started) | |
4098 | ath10k_monitor_stop(ar); | |
5e3dd157 | 4099 | ath10k_bss_assoc(hw, vif, info); |
e556f111 | 4100 | ath10k_monitor_recalc(ar); |
077efc8c MK |
4101 | } else { |
4102 | ath10k_bss_disassoc(hw, vif); | |
e556f111 | 4103 | } |
5e3dd157 KV |
4104 | } |
4105 | ||
7d9d5587 MK |
4106 | if (changed & BSS_CHANGED_TXPOWER) { |
4107 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev_id %i txpower %d\n", | |
4108 | arvif->vdev_id, info->txpower); | |
4109 | ||
4110 | arvif->txpower = info->txpower; | |
4111 | ret = ath10k_mac_txpower_recalc(ar); | |
4112 | if (ret) | |
4113 | ath10k_warn(ar, "failed to recalc tx power: %d\n", ret); | |
4114 | } | |
4115 | ||
bf14e65c | 4116 | if (changed & BSS_CHANGED_PS) { |
cffb41f3 MK |
4117 | arvif->ps = vif->bss_conf.ps; |
4118 | ||
4119 | ret = ath10k_config_ps(ar); | |
bf14e65c MK |
4120 | if (ret) |
4121 | ath10k_warn(ar, "failed to setup ps on vdev %i: %d\n", | |
4122 | arvif->vdev_id, ret); | |
4123 | } | |
4124 | ||
5e3dd157 KV |
4125 | mutex_unlock(&ar->conf_mutex); |
4126 | } | |
4127 | ||
4128 | static int ath10k_hw_scan(struct ieee80211_hw *hw, | |
4129 | struct ieee80211_vif *vif, | |
c56ef672 | 4130 | struct ieee80211_scan_request *hw_req) |
5e3dd157 KV |
4131 | { |
4132 | struct ath10k *ar = hw->priv; | |
4133 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
c56ef672 | 4134 | struct cfg80211_scan_request *req = &hw_req->req; |
5e3dd157 KV |
4135 | struct wmi_start_scan_arg arg; |
4136 | int ret = 0; | |
4137 | int i; | |
4138 | ||
4139 | mutex_lock(&ar->conf_mutex); | |
4140 | ||
4141 | spin_lock_bh(&ar->data_lock); | |
5c81c7fd MK |
4142 | switch (ar->scan.state) { |
4143 | case ATH10K_SCAN_IDLE: | |
4144 | reinit_completion(&ar->scan.started); | |
4145 | reinit_completion(&ar->scan.completed); | |
4146 | ar->scan.state = ATH10K_SCAN_STARTING; | |
4147 | ar->scan.is_roc = false; | |
4148 | ar->scan.vdev_id = arvif->vdev_id; | |
4149 | ret = 0; | |
4150 | break; | |
4151 | case ATH10K_SCAN_STARTING: | |
4152 | case ATH10K_SCAN_RUNNING: | |
4153 | case ATH10K_SCAN_ABORTING: | |
5e3dd157 | 4154 | ret = -EBUSY; |
5c81c7fd | 4155 | break; |
5e3dd157 | 4156 | } |
5e3dd157 KV |
4157 | spin_unlock_bh(&ar->data_lock); |
4158 | ||
5c81c7fd MK |
4159 | if (ret) |
4160 | goto exit; | |
4161 | ||
5e3dd157 KV |
4162 | memset(&arg, 0, sizeof(arg)); |
4163 | ath10k_wmi_start_scan_init(ar, &arg); | |
4164 | arg.vdev_id = arvif->vdev_id; | |
4165 | arg.scan_id = ATH10K_SCAN_ID; | |
4166 | ||
4167 | if (!req->no_cck) | |
4168 | arg.scan_ctrl_flags |= WMI_SCAN_ADD_CCK_RATES; | |
4169 | ||
4170 | if (req->ie_len) { | |
4171 | arg.ie_len = req->ie_len; | |
4172 | memcpy(arg.ie, req->ie, arg.ie_len); | |
4173 | } | |
4174 | ||
4175 | if (req->n_ssids) { | |
4176 | arg.n_ssids = req->n_ssids; | |
4177 | for (i = 0; i < arg.n_ssids; i++) { | |
4178 | arg.ssids[i].len = req->ssids[i].ssid_len; | |
4179 | arg.ssids[i].ssid = req->ssids[i].ssid; | |
4180 | } | |
dcd4a561 MK |
4181 | } else { |
4182 | arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE; | |
5e3dd157 KV |
4183 | } |
4184 | ||
4185 | if (req->n_channels) { | |
4186 | arg.n_channels = req->n_channels; | |
4187 | for (i = 0; i < arg.n_channels; i++) | |
4188 | arg.channels[i] = req->channels[i]->center_freq; | |
4189 | } | |
4190 | ||
4191 | ret = ath10k_start_scan(ar, &arg); | |
4192 | if (ret) { | |
7aa7a72a | 4193 | ath10k_warn(ar, "failed to start hw scan: %d\n", ret); |
5e3dd157 | 4194 | spin_lock_bh(&ar->data_lock); |
5c81c7fd | 4195 | ar->scan.state = ATH10K_SCAN_IDLE; |
5e3dd157 KV |
4196 | spin_unlock_bh(&ar->data_lock); |
4197 | } | |
4198 | ||
4199 | exit: | |
4200 | mutex_unlock(&ar->conf_mutex); | |
4201 | return ret; | |
4202 | } | |
4203 | ||
4204 | static void ath10k_cancel_hw_scan(struct ieee80211_hw *hw, | |
4205 | struct ieee80211_vif *vif) | |
4206 | { | |
4207 | struct ath10k *ar = hw->priv; | |
5e3dd157 KV |
4208 | |
4209 | mutex_lock(&ar->conf_mutex); | |
5c81c7fd | 4210 | ath10k_scan_abort(ar); |
5e3dd157 | 4211 | mutex_unlock(&ar->conf_mutex); |
4eb2e164 MK |
4212 | |
4213 | cancel_delayed_work_sync(&ar->scan.timeout); | |
5e3dd157 KV |
4214 | } |
4215 | ||
cfb27d29 MK |
4216 | static void ath10k_set_key_h_def_keyidx(struct ath10k *ar, |
4217 | struct ath10k_vif *arvif, | |
4218 | enum set_key_cmd cmd, | |
4219 | struct ieee80211_key_conf *key) | |
4220 | { | |
4221 | u32 vdev_param = arvif->ar->wmi.vdev_param->def_keyid; | |
4222 | int ret; | |
4223 | ||
4224 | /* 10.1 firmware branch requires default key index to be set to group | |
4225 | * key index after installing it. Otherwise FW/HW Txes corrupted | |
4226 | * frames with multi-vif APs. This is not required for main firmware | |
4227 | * branch (e.g. 636). | |
4228 | * | |
4229 | * FIXME: This has been tested only in AP. It remains unknown if this | |
4230 | * is required for multi-vif STA interfaces on 10.1 */ | |
4231 | ||
4232 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP) | |
4233 | return; | |
4234 | ||
4235 | if (key->cipher == WLAN_CIPHER_SUITE_WEP40) | |
4236 | return; | |
4237 | ||
4238 | if (key->cipher == WLAN_CIPHER_SUITE_WEP104) | |
4239 | return; | |
4240 | ||
4241 | if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) | |
4242 | return; | |
4243 | ||
4244 | if (cmd != SET_KEY) | |
4245 | return; | |
4246 | ||
4247 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
4248 | key->keyidx); | |
4249 | if (ret) | |
7aa7a72a | 4250 | ath10k_warn(ar, "failed to set vdev %i group key as default key: %d\n", |
69244e56 | 4251 | arvif->vdev_id, ret); |
cfb27d29 MK |
4252 | } |
4253 | ||
5e3dd157 KV |
4254 | static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
4255 | struct ieee80211_vif *vif, struct ieee80211_sta *sta, | |
4256 | struct ieee80211_key_conf *key) | |
4257 | { | |
4258 | struct ath10k *ar = hw->priv; | |
4259 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
4260 | struct ath10k_peer *peer; | |
4261 | const u8 *peer_addr; | |
4262 | bool is_wep = key->cipher == WLAN_CIPHER_SUITE_WEP40 || | |
4263 | key->cipher == WLAN_CIPHER_SUITE_WEP104; | |
4264 | int ret = 0; | |
370e5673 | 4265 | u32 flags = 0; |
5e3dd157 | 4266 | |
d7131c04 BM |
4267 | /* this one needs to be done in software */ |
4268 | if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC) | |
4269 | return 1; | |
4270 | ||
5e3dd157 KV |
4271 | if (key->keyidx > WMI_MAX_KEY_INDEX) |
4272 | return -ENOSPC; | |
4273 | ||
4274 | mutex_lock(&ar->conf_mutex); | |
4275 | ||
4276 | if (sta) | |
4277 | peer_addr = sta->addr; | |
4278 | else if (arvif->vdev_type == WMI_VDEV_TYPE_STA) | |
4279 | peer_addr = vif->bss_conf.bssid; | |
4280 | else | |
4281 | peer_addr = vif->addr; | |
4282 | ||
4283 | key->hw_key_idx = key->keyidx; | |
4284 | ||
4285 | /* the peer should not disappear in mid-way (unless FW goes awry) since | |
4286 | * we already hold conf_mutex. we just make sure its there now. */ | |
4287 | spin_lock_bh(&ar->data_lock); | |
4288 | peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr); | |
4289 | spin_unlock_bh(&ar->data_lock); | |
4290 | ||
4291 | if (!peer) { | |
4292 | if (cmd == SET_KEY) { | |
7aa7a72a | 4293 | ath10k_warn(ar, "failed to install key for non-existent peer %pM\n", |
5e3dd157 KV |
4294 | peer_addr); |
4295 | ret = -EOPNOTSUPP; | |
4296 | goto exit; | |
4297 | } else { | |
4298 | /* if the peer doesn't exist there is no key to disable | |
4299 | * anymore */ | |
4300 | goto exit; | |
4301 | } | |
4302 | } | |
4303 | ||
7cc4573e MK |
4304 | if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) |
4305 | flags |= WMI_KEY_PAIRWISE; | |
4306 | else | |
4307 | flags |= WMI_KEY_GROUP; | |
4308 | ||
5e3dd157 KV |
4309 | if (is_wep) { |
4310 | if (cmd == SET_KEY) | |
4311 | arvif->wep_keys[key->keyidx] = key; | |
4312 | else | |
4313 | arvif->wep_keys[key->keyidx] = NULL; | |
4314 | ||
4315 | if (cmd == DISABLE_KEY) | |
4316 | ath10k_clear_vdev_key(arvif, key); | |
370e5673 | 4317 | |
ad325cb5 MK |
4318 | /* When WEP keys are uploaded it's possible that there are |
4319 | * stations associated already (e.g. when merging) without any | |
4320 | * keys. Static WEP needs an explicit per-peer key upload. | |
4321 | */ | |
4322 | if (vif->type == NL80211_IFTYPE_ADHOC && | |
4323 | cmd == SET_KEY) | |
4324 | ath10k_mac_vif_update_wep_key(arvif, key); | |
4325 | ||
370e5673 MK |
4326 | /* 802.1x never sets the def_wep_key_idx so each set_key() |
4327 | * call changes default tx key. | |
4328 | * | |
4329 | * Static WEP sets def_wep_key_idx via .set_default_unicast_key | |
4330 | * after first set_key(). | |
4331 | */ | |
4332 | if (cmd == SET_KEY && arvif->def_wep_key_idx == -1) | |
4333 | flags |= WMI_KEY_TX_USAGE; | |
5e3dd157 | 4334 | |
7cc4573e MK |
4335 | /* mac80211 uploads static WEP keys as groupwise while fw/hw |
4336 | * requires pairwise keys for non-self peers, i.e. BSSID in STA | |
4337 | * mode and associated stations in AP/IBSS. | |
4338 | * | |
4339 | * Static WEP keys for peer_addr=vif->addr and 802.1X WEP keys | |
4340 | * work fine when mapped directly from mac80211. | |
4341 | * | |
4342 | * Note: When installing first static WEP groupwise key (which | |
4343 | * should be pairwise) def_wep_key_idx isn't known yet (it's | |
4344 | * equal to -1). Since .set_default_unicast_key is called only | |
4345 | * for static WEP it's used to re-upload the key as pairwise. | |
4346 | */ | |
4347 | if (arvif->def_wep_key_idx >= 0 && | |
4348 | memcmp(peer_addr, arvif->vif->addr, ETH_ALEN)) { | |
4349 | flags &= ~WMI_KEY_GROUP; | |
4350 | flags |= WMI_KEY_PAIRWISE; | |
4351 | } | |
370e5673 | 4352 | } |
627613f8 | 4353 | |
370e5673 | 4354 | ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags); |
5e3dd157 | 4355 | if (ret) { |
7aa7a72a | 4356 | ath10k_warn(ar, "failed to install key for vdev %i peer %pM: %d\n", |
69244e56 | 4357 | arvif->vdev_id, peer_addr, ret); |
5e3dd157 KV |
4358 | goto exit; |
4359 | } | |
4360 | ||
cfb27d29 MK |
4361 | ath10k_set_key_h_def_keyidx(ar, arvif, cmd, key); |
4362 | ||
5e3dd157 KV |
4363 | spin_lock_bh(&ar->data_lock); |
4364 | peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr); | |
4365 | if (peer && cmd == SET_KEY) | |
4366 | peer->keys[key->keyidx] = key; | |
4367 | else if (peer && cmd == DISABLE_KEY) | |
4368 | peer->keys[key->keyidx] = NULL; | |
4369 | else if (peer == NULL) | |
4370 | /* impossible unless FW goes crazy */ | |
7aa7a72a | 4371 | ath10k_warn(ar, "Peer %pM disappeared!\n", peer_addr); |
5e3dd157 KV |
4372 | spin_unlock_bh(&ar->data_lock); |
4373 | ||
4374 | exit: | |
4375 | mutex_unlock(&ar->conf_mutex); | |
4376 | return ret; | |
4377 | } | |
4378 | ||
627613f8 SJ |
4379 | static void ath10k_set_default_unicast_key(struct ieee80211_hw *hw, |
4380 | struct ieee80211_vif *vif, | |
4381 | int keyidx) | |
4382 | { | |
4383 | struct ath10k *ar = hw->priv; | |
4384 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
4385 | int ret; | |
4386 | ||
4387 | mutex_lock(&arvif->ar->conf_mutex); | |
4388 | ||
4389 | if (arvif->ar->state != ATH10K_STATE_ON) | |
4390 | goto unlock; | |
4391 | ||
4392 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d set keyidx %d\n", | |
4393 | arvif->vdev_id, keyidx); | |
4394 | ||
4395 | ret = ath10k_wmi_vdev_set_param(arvif->ar, | |
4396 | arvif->vdev_id, | |
4397 | arvif->ar->wmi.vdev_param->def_keyid, | |
4398 | keyidx); | |
4399 | ||
4400 | if (ret) { | |
4401 | ath10k_warn(ar, "failed to update wep key index for vdev %d: %d\n", | |
4402 | arvif->vdev_id, | |
4403 | ret); | |
4404 | goto unlock; | |
4405 | } | |
4406 | ||
4407 | arvif->def_wep_key_idx = keyidx; | |
370e5673 MK |
4408 | |
4409 | ret = ath10k_mac_vif_sta_fix_wep_key(arvif); | |
4410 | if (ret) { | |
4411 | ath10k_warn(ar, "failed to fix sta wep key on vdev %i: %d\n", | |
4412 | arvif->vdev_id, ret); | |
4413 | goto unlock; | |
4414 | } | |
4415 | ||
627613f8 SJ |
4416 | unlock: |
4417 | mutex_unlock(&arvif->ar->conf_mutex); | |
4418 | } | |
4419 | ||
9797febc MK |
4420 | static void ath10k_sta_rc_update_wk(struct work_struct *wk) |
4421 | { | |
4422 | struct ath10k *ar; | |
4423 | struct ath10k_vif *arvif; | |
4424 | struct ath10k_sta *arsta; | |
4425 | struct ieee80211_sta *sta; | |
4426 | u32 changed, bw, nss, smps; | |
4427 | int err; | |
4428 | ||
4429 | arsta = container_of(wk, struct ath10k_sta, update_wk); | |
4430 | sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv); | |
4431 | arvif = arsta->arvif; | |
4432 | ar = arvif->ar; | |
4433 | ||
4434 | spin_lock_bh(&ar->data_lock); | |
4435 | ||
4436 | changed = arsta->changed; | |
4437 | arsta->changed = 0; | |
4438 | ||
4439 | bw = arsta->bw; | |
4440 | nss = arsta->nss; | |
4441 | smps = arsta->smps; | |
4442 | ||
4443 | spin_unlock_bh(&ar->data_lock); | |
4444 | ||
4445 | mutex_lock(&ar->conf_mutex); | |
4446 | ||
4447 | if (changed & IEEE80211_RC_BW_CHANGED) { | |
7aa7a72a | 4448 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM peer bw %d\n", |
9797febc MK |
4449 | sta->addr, bw); |
4450 | ||
4451 | err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, | |
4452 | WMI_PEER_CHAN_WIDTH, bw); | |
4453 | if (err) | |
7aa7a72a | 4454 | ath10k_warn(ar, "failed to update STA %pM peer bw %d: %d\n", |
9797febc MK |
4455 | sta->addr, bw, err); |
4456 | } | |
4457 | ||
4458 | if (changed & IEEE80211_RC_NSS_CHANGED) { | |
7aa7a72a | 4459 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM nss %d\n", |
9797febc MK |
4460 | sta->addr, nss); |
4461 | ||
4462 | err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, | |
4463 | WMI_PEER_NSS, nss); | |
4464 | if (err) | |
7aa7a72a | 4465 | ath10k_warn(ar, "failed to update STA %pM nss %d: %d\n", |
9797febc MK |
4466 | sta->addr, nss, err); |
4467 | } | |
4468 | ||
4469 | if (changed & IEEE80211_RC_SMPS_CHANGED) { | |
7aa7a72a | 4470 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM smps %d\n", |
9797febc MK |
4471 | sta->addr, smps); |
4472 | ||
4473 | err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, | |
4474 | WMI_PEER_SMPS_STATE, smps); | |
4475 | if (err) | |
7aa7a72a | 4476 | ath10k_warn(ar, "failed to update STA %pM smps %d: %d\n", |
9797febc MK |
4477 | sta->addr, smps, err); |
4478 | } | |
4479 | ||
55884c04 JD |
4480 | if (changed & IEEE80211_RC_SUPP_RATES_CHANGED || |
4481 | changed & IEEE80211_RC_NSS_CHANGED) { | |
4482 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM supp rates/nss\n", | |
44d6fa90 CYY |
4483 | sta->addr); |
4484 | ||
590922a8 | 4485 | err = ath10k_station_assoc(ar, arvif->vif, sta, true); |
44d6fa90 | 4486 | if (err) |
7aa7a72a | 4487 | ath10k_warn(ar, "failed to reassociate station: %pM\n", |
44d6fa90 CYY |
4488 | sta->addr); |
4489 | } | |
4490 | ||
9797febc MK |
4491 | mutex_unlock(&ar->conf_mutex); |
4492 | } | |
4493 | ||
7c354242 MP |
4494 | static int ath10k_mac_inc_num_stations(struct ath10k_vif *arvif, |
4495 | struct ieee80211_sta *sta) | |
cfd1061e MK |
4496 | { |
4497 | struct ath10k *ar = arvif->ar; | |
4498 | ||
4499 | lockdep_assert_held(&ar->conf_mutex); | |
4500 | ||
7c354242 | 4501 | if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls) |
cfd1061e MK |
4502 | return 0; |
4503 | ||
4504 | if (ar->num_stations >= ar->max_num_stations) | |
4505 | return -ENOBUFS; | |
4506 | ||
4507 | ar->num_stations++; | |
4508 | ||
4509 | return 0; | |
4510 | } | |
4511 | ||
7c354242 MP |
4512 | static void ath10k_mac_dec_num_stations(struct ath10k_vif *arvif, |
4513 | struct ieee80211_sta *sta) | |
cfd1061e MK |
4514 | { |
4515 | struct ath10k *ar = arvif->ar; | |
4516 | ||
4517 | lockdep_assert_held(&ar->conf_mutex); | |
4518 | ||
7c354242 | 4519 | if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls) |
cfd1061e MK |
4520 | return; |
4521 | ||
4522 | ar->num_stations--; | |
4523 | } | |
4524 | ||
75d85fd9 MP |
4525 | struct ath10k_mac_tdls_iter_data { |
4526 | u32 num_tdls_stations; | |
4527 | struct ieee80211_vif *curr_vif; | |
4528 | }; | |
4529 | ||
4530 | static void ath10k_mac_tdls_vif_stations_count_iter(void *data, | |
4531 | struct ieee80211_sta *sta) | |
4532 | { | |
4533 | struct ath10k_mac_tdls_iter_data *iter_data = data; | |
4534 | struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; | |
4535 | struct ieee80211_vif *sta_vif = arsta->arvif->vif; | |
4536 | ||
4537 | if (sta->tdls && sta_vif == iter_data->curr_vif) | |
4538 | iter_data->num_tdls_stations++; | |
4539 | } | |
4540 | ||
4541 | static int ath10k_mac_tdls_vif_stations_count(struct ieee80211_hw *hw, | |
4542 | struct ieee80211_vif *vif) | |
4543 | { | |
4544 | struct ath10k_mac_tdls_iter_data data = {}; | |
4545 | ||
4546 | data.curr_vif = vif; | |
4547 | ||
4548 | ieee80211_iterate_stations_atomic(hw, | |
4549 | ath10k_mac_tdls_vif_stations_count_iter, | |
4550 | &data); | |
4551 | return data.num_tdls_stations; | |
4552 | } | |
4553 | ||
4554 | static void ath10k_mac_tdls_vifs_count_iter(void *data, u8 *mac, | |
4555 | struct ieee80211_vif *vif) | |
4556 | { | |
4557 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
4558 | int *num_tdls_vifs = data; | |
4559 | ||
4560 | if (vif->type != NL80211_IFTYPE_STATION) | |
4561 | return; | |
4562 | ||
4563 | if (ath10k_mac_tdls_vif_stations_count(arvif->ar->hw, vif) > 0) | |
4564 | (*num_tdls_vifs)++; | |
4565 | } | |
4566 | ||
4567 | static int ath10k_mac_tdls_vifs_count(struct ieee80211_hw *hw) | |
4568 | { | |
4569 | int num_tdls_vifs = 0; | |
4570 | ||
4571 | ieee80211_iterate_active_interfaces_atomic(hw, | |
4572 | IEEE80211_IFACE_ITER_NORMAL, | |
4573 | ath10k_mac_tdls_vifs_count_iter, | |
4574 | &num_tdls_vifs); | |
4575 | return num_tdls_vifs; | |
4576 | } | |
4577 | ||
5e3dd157 KV |
4578 | static int ath10k_sta_state(struct ieee80211_hw *hw, |
4579 | struct ieee80211_vif *vif, | |
4580 | struct ieee80211_sta *sta, | |
4581 | enum ieee80211_sta_state old_state, | |
4582 | enum ieee80211_sta_state new_state) | |
4583 | { | |
4584 | struct ath10k *ar = hw->priv; | |
4585 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
9797febc | 4586 | struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; |
5e3dd157 KV |
4587 | int ret = 0; |
4588 | ||
76f90024 MK |
4589 | if (old_state == IEEE80211_STA_NOTEXIST && |
4590 | new_state == IEEE80211_STA_NONE) { | |
4591 | memset(arsta, 0, sizeof(*arsta)); | |
4592 | arsta->arvif = arvif; | |
4593 | INIT_WORK(&arsta->update_wk, ath10k_sta_rc_update_wk); | |
4594 | } | |
4595 | ||
9797febc MK |
4596 | /* cancel must be done outside the mutex to avoid deadlock */ |
4597 | if ((old_state == IEEE80211_STA_NONE && | |
4598 | new_state == IEEE80211_STA_NOTEXIST)) | |
4599 | cancel_work_sync(&arsta->update_wk); | |
4600 | ||
5e3dd157 KV |
4601 | mutex_lock(&ar->conf_mutex); |
4602 | ||
4603 | if (old_state == IEEE80211_STA_NOTEXIST && | |
077efc8c | 4604 | new_state == IEEE80211_STA_NONE) { |
5e3dd157 KV |
4605 | /* |
4606 | * New station addition. | |
4607 | */ | |
75d85fd9 MP |
4608 | enum wmi_peer_type peer_type = WMI_PEER_TYPE_DEFAULT; |
4609 | u32 num_tdls_stations; | |
4610 | u32 num_tdls_vifs; | |
4611 | ||
cfd1061e MK |
4612 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
4613 | "mac vdev %d peer create %pM (new sta) sta %d / %d peer %d / %d\n", | |
4614 | arvif->vdev_id, sta->addr, | |
4615 | ar->num_stations + 1, ar->max_num_stations, | |
4616 | ar->num_peers + 1, ar->max_num_peers); | |
0e759f36 | 4617 | |
7c354242 | 4618 | ret = ath10k_mac_inc_num_stations(arvif, sta); |
cfd1061e MK |
4619 | if (ret) { |
4620 | ath10k_warn(ar, "refusing to associate station: too many connected already (%d)\n", | |
4621 | ar->max_num_stations); | |
0e759f36 BM |
4622 | goto exit; |
4623 | } | |
4624 | ||
75d85fd9 MP |
4625 | if (sta->tdls) |
4626 | peer_type = WMI_PEER_TYPE_TDLS; | |
4627 | ||
7390ed34 | 4628 | ret = ath10k_peer_create(ar, arvif->vdev_id, sta->addr, |
75d85fd9 | 4629 | peer_type); |
a52c0282 | 4630 | if (ret) { |
7aa7a72a | 4631 | ath10k_warn(ar, "failed to add peer %pM for vdev %d when adding a new sta: %i\n", |
479398b0 | 4632 | sta->addr, arvif->vdev_id, ret); |
7c354242 | 4633 | ath10k_mac_dec_num_stations(arvif, sta); |
a52c0282 MK |
4634 | goto exit; |
4635 | } | |
077efc8c | 4636 | |
75d85fd9 MP |
4637 | if (vif->type == NL80211_IFTYPE_STATION && |
4638 | !sta->tdls) { | |
077efc8c MK |
4639 | WARN_ON(arvif->is_started); |
4640 | ||
4641 | ret = ath10k_vdev_start(arvif); | |
4642 | if (ret) { | |
4643 | ath10k_warn(ar, "failed to start vdev %i: %d\n", | |
4644 | arvif->vdev_id, ret); | |
4645 | WARN_ON(ath10k_peer_delete(ar, arvif->vdev_id, | |
4646 | sta->addr)); | |
7c354242 | 4647 | ath10k_mac_dec_num_stations(arvif, sta); |
077efc8c MK |
4648 | goto exit; |
4649 | } | |
4650 | ||
4651 | arvif->is_started = true; | |
4652 | } | |
75d85fd9 MP |
4653 | |
4654 | if (!sta->tdls) | |
4655 | goto exit; | |
4656 | ||
4657 | num_tdls_stations = ath10k_mac_tdls_vif_stations_count(hw, vif); | |
4658 | num_tdls_vifs = ath10k_mac_tdls_vifs_count(hw); | |
4659 | ||
4660 | if (num_tdls_vifs >= ar->max_num_tdls_vdevs && | |
4661 | num_tdls_stations == 0) { | |
4662 | ath10k_warn(ar, "vdev %i exceeded maximum number of tdls vdevs %i\n", | |
4663 | arvif->vdev_id, ar->max_num_tdls_vdevs); | |
4664 | ath10k_peer_delete(ar, arvif->vdev_id, sta->addr); | |
4665 | ath10k_mac_dec_num_stations(arvif, sta); | |
4666 | ret = -ENOBUFS; | |
4667 | goto exit; | |
4668 | } | |
4669 | ||
4670 | if (num_tdls_stations == 0) { | |
4671 | /* This is the first tdls peer in current vif */ | |
4672 | enum wmi_tdls_state state = WMI_TDLS_ENABLE_ACTIVE; | |
4673 | ||
4674 | ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id, | |
4675 | state); | |
4676 | if (ret) { | |
4677 | ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n", | |
4678 | arvif->vdev_id, ret); | |
4679 | ath10k_peer_delete(ar, arvif->vdev_id, | |
4680 | sta->addr); | |
4681 | ath10k_mac_dec_num_stations(arvif, sta); | |
4682 | goto exit; | |
4683 | } | |
4684 | } | |
4685 | ||
4686 | ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta, | |
4687 | WMI_TDLS_PEER_STATE_PEERING); | |
4688 | if (ret) { | |
4689 | ath10k_warn(ar, | |
4690 | "failed to update tdls peer %pM for vdev %d when adding a new sta: %i\n", | |
4691 | sta->addr, arvif->vdev_id, ret); | |
4692 | ath10k_peer_delete(ar, arvif->vdev_id, sta->addr); | |
4693 | ath10k_mac_dec_num_stations(arvif, sta); | |
4694 | ||
4695 | if (num_tdls_stations != 0) | |
4696 | goto exit; | |
4697 | ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id, | |
4698 | WMI_TDLS_DISABLE); | |
4699 | } | |
5e3dd157 KV |
4700 | } else if ((old_state == IEEE80211_STA_NONE && |
4701 | new_state == IEEE80211_STA_NOTEXIST)) { | |
4702 | /* | |
4703 | * Existing station deletion. | |
4704 | */ | |
7aa7a72a | 4705 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
4706 | "mac vdev %d peer delete %pM (sta gone)\n", |
4707 | arvif->vdev_id, sta->addr); | |
077efc8c | 4708 | |
75d85fd9 MP |
4709 | if (vif->type == NL80211_IFTYPE_STATION && |
4710 | !sta->tdls) { | |
077efc8c MK |
4711 | WARN_ON(!arvif->is_started); |
4712 | ||
4713 | ret = ath10k_vdev_stop(arvif); | |
4714 | if (ret) | |
4715 | ath10k_warn(ar, "failed to stop vdev %i: %d\n", | |
4716 | arvif->vdev_id, ret); | |
4717 | ||
4718 | arvif->is_started = false; | |
4719 | } | |
4720 | ||
5e3dd157 KV |
4721 | ret = ath10k_peer_delete(ar, arvif->vdev_id, sta->addr); |
4722 | if (ret) | |
7aa7a72a | 4723 | ath10k_warn(ar, "failed to delete peer %pM for vdev %d: %i\n", |
69244e56 | 4724 | sta->addr, arvif->vdev_id, ret); |
5e3dd157 | 4725 | |
7c354242 | 4726 | ath10k_mac_dec_num_stations(arvif, sta); |
75d85fd9 MP |
4727 | |
4728 | if (!sta->tdls) | |
4729 | goto exit; | |
4730 | ||
4731 | if (ath10k_mac_tdls_vif_stations_count(hw, vif)) | |
4732 | goto exit; | |
4733 | ||
4734 | /* This was the last tdls peer in current vif */ | |
4735 | ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id, | |
4736 | WMI_TDLS_DISABLE); | |
4737 | if (ret) { | |
4738 | ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n", | |
4739 | arvif->vdev_id, ret); | |
4740 | } | |
5e3dd157 KV |
4741 | } else if (old_state == IEEE80211_STA_AUTH && |
4742 | new_state == IEEE80211_STA_ASSOC && | |
4743 | (vif->type == NL80211_IFTYPE_AP || | |
4744 | vif->type == NL80211_IFTYPE_ADHOC)) { | |
4745 | /* | |
4746 | * New association. | |
4747 | */ | |
7aa7a72a | 4748 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM associated\n", |
60c3daa8 KV |
4749 | sta->addr); |
4750 | ||
590922a8 | 4751 | ret = ath10k_station_assoc(ar, vif, sta, false); |
5e3dd157 | 4752 | if (ret) |
7aa7a72a | 4753 | ath10k_warn(ar, "failed to associate station %pM for vdev %i: %i\n", |
69244e56 | 4754 | sta->addr, arvif->vdev_id, ret); |
5e3dd157 | 4755 | } else if (old_state == IEEE80211_STA_ASSOC && |
75d85fd9 MP |
4756 | new_state == IEEE80211_STA_AUTHORIZED && |
4757 | sta->tdls) { | |
4758 | /* | |
4759 | * Tdls station authorized. | |
4760 | */ | |
4761 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac tdls sta %pM authorized\n", | |
4762 | sta->addr); | |
4763 | ||
4764 | ret = ath10k_station_assoc(ar, vif, sta, false); | |
4765 | if (ret) { | |
4766 | ath10k_warn(ar, "failed to associate tdls station %pM for vdev %i: %i\n", | |
4767 | sta->addr, arvif->vdev_id, ret); | |
4768 | goto exit; | |
4769 | } | |
4770 | ||
4771 | ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta, | |
4772 | WMI_TDLS_PEER_STATE_CONNECTED); | |
4773 | if (ret) | |
4774 | ath10k_warn(ar, "failed to update tdls peer %pM for vdev %i: %i\n", | |
4775 | sta->addr, arvif->vdev_id, ret); | |
4776 | } else if (old_state == IEEE80211_STA_ASSOC && | |
4777 | new_state == IEEE80211_STA_AUTH && | |
4778 | (vif->type == NL80211_IFTYPE_AP || | |
4779 | vif->type == NL80211_IFTYPE_ADHOC)) { | |
5e3dd157 KV |
4780 | /* |
4781 | * Disassociation. | |
4782 | */ | |
7aa7a72a | 4783 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM disassociated\n", |
60c3daa8 KV |
4784 | sta->addr); |
4785 | ||
590922a8 | 4786 | ret = ath10k_station_disassoc(ar, vif, sta); |
5e3dd157 | 4787 | if (ret) |
7aa7a72a | 4788 | ath10k_warn(ar, "failed to disassociate station: %pM vdev %i: %i\n", |
69244e56 | 4789 | sta->addr, arvif->vdev_id, ret); |
5e3dd157 | 4790 | } |
0e759f36 | 4791 | exit: |
5e3dd157 KV |
4792 | mutex_unlock(&ar->conf_mutex); |
4793 | return ret; | |
4794 | } | |
4795 | ||
4796 | static int ath10k_conf_tx_uapsd(struct ath10k *ar, struct ieee80211_vif *vif, | |
5b07e07f | 4797 | u16 ac, bool enable) |
5e3dd157 KV |
4798 | { |
4799 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
b0e56154 MK |
4800 | struct wmi_sta_uapsd_auto_trig_arg arg = {}; |
4801 | u32 prio = 0, acc = 0; | |
5e3dd157 KV |
4802 | u32 value = 0; |
4803 | int ret = 0; | |
4804 | ||
548db54c MK |
4805 | lockdep_assert_held(&ar->conf_mutex); |
4806 | ||
5e3dd157 KV |
4807 | if (arvif->vdev_type != WMI_VDEV_TYPE_STA) |
4808 | return 0; | |
4809 | ||
4810 | switch (ac) { | |
4811 | case IEEE80211_AC_VO: | |
4812 | value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN | | |
4813 | WMI_STA_PS_UAPSD_AC3_TRIGGER_EN; | |
b0e56154 MK |
4814 | prio = 7; |
4815 | acc = 3; | |
5e3dd157 KV |
4816 | break; |
4817 | case IEEE80211_AC_VI: | |
4818 | value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN | | |
4819 | WMI_STA_PS_UAPSD_AC2_TRIGGER_EN; | |
b0e56154 MK |
4820 | prio = 5; |
4821 | acc = 2; | |
5e3dd157 KV |
4822 | break; |
4823 | case IEEE80211_AC_BE: | |
4824 | value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN | | |
4825 | WMI_STA_PS_UAPSD_AC1_TRIGGER_EN; | |
b0e56154 MK |
4826 | prio = 2; |
4827 | acc = 1; | |
5e3dd157 KV |
4828 | break; |
4829 | case IEEE80211_AC_BK: | |
4830 | value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN | | |
4831 | WMI_STA_PS_UAPSD_AC0_TRIGGER_EN; | |
b0e56154 MK |
4832 | prio = 0; |
4833 | acc = 0; | |
5e3dd157 KV |
4834 | break; |
4835 | } | |
4836 | ||
4837 | if (enable) | |
4838 | arvif->u.sta.uapsd |= value; | |
4839 | else | |
4840 | arvif->u.sta.uapsd &= ~value; | |
4841 | ||
4842 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
4843 | WMI_STA_PS_PARAM_UAPSD, | |
4844 | arvif->u.sta.uapsd); | |
4845 | if (ret) { | |
7aa7a72a | 4846 | ath10k_warn(ar, "failed to set uapsd params: %d\n", ret); |
5e3dd157 KV |
4847 | goto exit; |
4848 | } | |
4849 | ||
4850 | if (arvif->u.sta.uapsd) | |
4851 | value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD; | |
4852 | else | |
4853 | value = WMI_STA_PS_RX_WAKE_POLICY_WAKE; | |
4854 | ||
4855 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
4856 | WMI_STA_PS_PARAM_RX_WAKE_POLICY, | |
4857 | value); | |
4858 | if (ret) | |
7aa7a72a | 4859 | ath10k_warn(ar, "failed to set rx wake param: %d\n", ret); |
5e3dd157 | 4860 | |
9f9b5746 MK |
4861 | ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif); |
4862 | if (ret) { | |
4863 | ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n", | |
4864 | arvif->vdev_id, ret); | |
4865 | return ret; | |
4866 | } | |
4867 | ||
4868 | ret = ath10k_mac_vif_recalc_ps_poll_count(arvif); | |
4869 | if (ret) { | |
4870 | ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n", | |
4871 | arvif->vdev_id, ret); | |
4872 | return ret; | |
4873 | } | |
4874 | ||
b0e56154 MK |
4875 | if (test_bit(WMI_SERVICE_STA_UAPSD_BASIC_AUTO_TRIG, ar->wmi.svc_map) || |
4876 | test_bit(WMI_SERVICE_STA_UAPSD_VAR_AUTO_TRIG, ar->wmi.svc_map)) { | |
4877 | /* Only userspace can make an educated decision when to send | |
4878 | * trigger frame. The following effectively disables u-UAPSD | |
4879 | * autotrigger in firmware (which is enabled by default | |
4880 | * provided the autotrigger service is available). | |
4881 | */ | |
4882 | ||
4883 | arg.wmm_ac = acc; | |
4884 | arg.user_priority = prio; | |
4885 | arg.service_interval = 0; | |
4886 | arg.suspend_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC; | |
4887 | arg.delay_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC; | |
4888 | ||
4889 | ret = ath10k_wmi_vdev_sta_uapsd(ar, arvif->vdev_id, | |
4890 | arvif->bssid, &arg, 1); | |
4891 | if (ret) { | |
4892 | ath10k_warn(ar, "failed to set uapsd auto trigger %d\n", | |
4893 | ret); | |
4894 | return ret; | |
4895 | } | |
4896 | } | |
4897 | ||
5e3dd157 KV |
4898 | exit: |
4899 | return ret; | |
4900 | } | |
4901 | ||
4902 | static int ath10k_conf_tx(struct ieee80211_hw *hw, | |
4903 | struct ieee80211_vif *vif, u16 ac, | |
4904 | const struct ieee80211_tx_queue_params *params) | |
4905 | { | |
4906 | struct ath10k *ar = hw->priv; | |
5e752e42 | 4907 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
5e3dd157 KV |
4908 | struct wmi_wmm_params_arg *p = NULL; |
4909 | int ret; | |
4910 | ||
4911 | mutex_lock(&ar->conf_mutex); | |
4912 | ||
4913 | switch (ac) { | |
4914 | case IEEE80211_AC_VO: | |
5e752e42 | 4915 | p = &arvif->wmm_params.ac_vo; |
5e3dd157 KV |
4916 | break; |
4917 | case IEEE80211_AC_VI: | |
5e752e42 | 4918 | p = &arvif->wmm_params.ac_vi; |
5e3dd157 KV |
4919 | break; |
4920 | case IEEE80211_AC_BE: | |
5e752e42 | 4921 | p = &arvif->wmm_params.ac_be; |
5e3dd157 KV |
4922 | break; |
4923 | case IEEE80211_AC_BK: | |
5e752e42 | 4924 | p = &arvif->wmm_params.ac_bk; |
5e3dd157 KV |
4925 | break; |
4926 | } | |
4927 | ||
4928 | if (WARN_ON(!p)) { | |
4929 | ret = -EINVAL; | |
4930 | goto exit; | |
4931 | } | |
4932 | ||
4933 | p->cwmin = params->cw_min; | |
4934 | p->cwmax = params->cw_max; | |
4935 | p->aifs = params->aifs; | |
4936 | ||
4937 | /* | |
4938 | * The channel time duration programmed in the HW is in absolute | |
4939 | * microseconds, while mac80211 gives the txop in units of | |
4940 | * 32 microseconds. | |
4941 | */ | |
4942 | p->txop = params->txop * 32; | |
4943 | ||
7fc979a7 MK |
4944 | if (ar->wmi.ops->gen_vdev_wmm_conf) { |
4945 | ret = ath10k_wmi_vdev_wmm_conf(ar, arvif->vdev_id, | |
4946 | &arvif->wmm_params); | |
4947 | if (ret) { | |
4948 | ath10k_warn(ar, "failed to set vdev wmm params on vdev %i: %d\n", | |
4949 | arvif->vdev_id, ret); | |
4950 | goto exit; | |
4951 | } | |
4952 | } else { | |
4953 | /* This won't work well with multi-interface cases but it's | |
4954 | * better than nothing. | |
4955 | */ | |
4956 | ret = ath10k_wmi_pdev_set_wmm_params(ar, &arvif->wmm_params); | |
4957 | if (ret) { | |
4958 | ath10k_warn(ar, "failed to set wmm params: %d\n", ret); | |
4959 | goto exit; | |
4960 | } | |
5e3dd157 KV |
4961 | } |
4962 | ||
4963 | ret = ath10k_conf_tx_uapsd(ar, vif, ac, params->uapsd); | |
4964 | if (ret) | |
7aa7a72a | 4965 | ath10k_warn(ar, "failed to set sta uapsd: %d\n", ret); |
5e3dd157 KV |
4966 | |
4967 | exit: | |
4968 | mutex_unlock(&ar->conf_mutex); | |
4969 | return ret; | |
4970 | } | |
4971 | ||
4972 | #define ATH10K_ROC_TIMEOUT_HZ (2*HZ) | |
4973 | ||
4974 | static int ath10k_remain_on_channel(struct ieee80211_hw *hw, | |
4975 | struct ieee80211_vif *vif, | |
4976 | struct ieee80211_channel *chan, | |
4977 | int duration, | |
4978 | enum ieee80211_roc_type type) | |
4979 | { | |
4980 | struct ath10k *ar = hw->priv; | |
4981 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
4982 | struct wmi_start_scan_arg arg; | |
5c81c7fd | 4983 | int ret = 0; |
5e3dd157 KV |
4984 | |
4985 | mutex_lock(&ar->conf_mutex); | |
4986 | ||
4987 | spin_lock_bh(&ar->data_lock); | |
5c81c7fd MK |
4988 | switch (ar->scan.state) { |
4989 | case ATH10K_SCAN_IDLE: | |
4990 | reinit_completion(&ar->scan.started); | |
4991 | reinit_completion(&ar->scan.completed); | |
4992 | reinit_completion(&ar->scan.on_channel); | |
4993 | ar->scan.state = ATH10K_SCAN_STARTING; | |
4994 | ar->scan.is_roc = true; | |
4995 | ar->scan.vdev_id = arvif->vdev_id; | |
4996 | ar->scan.roc_freq = chan->center_freq; | |
4997 | ret = 0; | |
4998 | break; | |
4999 | case ATH10K_SCAN_STARTING: | |
5000 | case ATH10K_SCAN_RUNNING: | |
5001 | case ATH10K_SCAN_ABORTING: | |
5e3dd157 | 5002 | ret = -EBUSY; |
5c81c7fd | 5003 | break; |
5e3dd157 | 5004 | } |
5e3dd157 KV |
5005 | spin_unlock_bh(&ar->data_lock); |
5006 | ||
5c81c7fd MK |
5007 | if (ret) |
5008 | goto exit; | |
5009 | ||
dcca0bdb MK |
5010 | duration = max(duration, WMI_SCAN_CHAN_MIN_TIME_MSEC); |
5011 | ||
5e3dd157 KV |
5012 | memset(&arg, 0, sizeof(arg)); |
5013 | ath10k_wmi_start_scan_init(ar, &arg); | |
5014 | arg.vdev_id = arvif->vdev_id; | |
5015 | arg.scan_id = ATH10K_SCAN_ID; | |
5016 | arg.n_channels = 1; | |
5017 | arg.channels[0] = chan->center_freq; | |
5018 | arg.dwell_time_active = duration; | |
5019 | arg.dwell_time_passive = duration; | |
5020 | arg.max_scan_time = 2 * duration; | |
5021 | arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE; | |
5022 | arg.scan_ctrl_flags |= WMI_SCAN_FILTER_PROBE_REQ; | |
5023 | ||
5024 | ret = ath10k_start_scan(ar, &arg); | |
5025 | if (ret) { | |
7aa7a72a | 5026 | ath10k_warn(ar, "failed to start roc scan: %d\n", ret); |
5e3dd157 | 5027 | spin_lock_bh(&ar->data_lock); |
5c81c7fd | 5028 | ar->scan.state = ATH10K_SCAN_IDLE; |
5e3dd157 KV |
5029 | spin_unlock_bh(&ar->data_lock); |
5030 | goto exit; | |
5031 | } | |
5032 | ||
5033 | ret = wait_for_completion_timeout(&ar->scan.on_channel, 3*HZ); | |
5034 | if (ret == 0) { | |
7aa7a72a | 5035 | ath10k_warn(ar, "failed to switch to channel for roc scan\n"); |
5c81c7fd MK |
5036 | |
5037 | ret = ath10k_scan_stop(ar); | |
5038 | if (ret) | |
7aa7a72a | 5039 | ath10k_warn(ar, "failed to stop scan: %d\n", ret); |
5c81c7fd | 5040 | |
5e3dd157 KV |
5041 | ret = -ETIMEDOUT; |
5042 | goto exit; | |
5043 | } | |
5044 | ||
5045 | ret = 0; | |
5046 | exit: | |
5047 | mutex_unlock(&ar->conf_mutex); | |
5048 | return ret; | |
5049 | } | |
5050 | ||
5051 | static int ath10k_cancel_remain_on_channel(struct ieee80211_hw *hw) | |
5052 | { | |
5053 | struct ath10k *ar = hw->priv; | |
5054 | ||
5055 | mutex_lock(&ar->conf_mutex); | |
5c81c7fd | 5056 | ath10k_scan_abort(ar); |
5e3dd157 KV |
5057 | mutex_unlock(&ar->conf_mutex); |
5058 | ||
4eb2e164 MK |
5059 | cancel_delayed_work_sync(&ar->scan.timeout); |
5060 | ||
5e3dd157 KV |
5061 | return 0; |
5062 | } | |
5063 | ||
5064 | /* | |
5065 | * Both RTS and Fragmentation threshold are interface-specific | |
5066 | * in ath10k, but device-specific in mac80211. | |
5067 | */ | |
5e3dd157 | 5068 | |
ad088bfa MK |
5069 | static int ath10k_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
5070 | { | |
5071 | struct ath10k *ar = hw->priv; | |
5072 | struct ath10k_vif *arvif; | |
5073 | int ret = 0; | |
548db54c | 5074 | |
5e3dd157 | 5075 | mutex_lock(&ar->conf_mutex); |
ad088bfa | 5076 | list_for_each_entry(arvif, &ar->arvifs, list) { |
7aa7a72a | 5077 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d rts threshold %d\n", |
ad088bfa MK |
5078 | arvif->vdev_id, value); |
5079 | ||
5080 | ret = ath10k_mac_set_rts(arvif, value); | |
5081 | if (ret) { | |
7aa7a72a | 5082 | ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n", |
ad088bfa MK |
5083 | arvif->vdev_id, ret); |
5084 | break; | |
5085 | } | |
5086 | } | |
5e3dd157 KV |
5087 | mutex_unlock(&ar->conf_mutex); |
5088 | ||
ad088bfa | 5089 | return ret; |
5e3dd157 KV |
5090 | } |
5091 | ||
77be2c54 EG |
5092 | static void ath10k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
5093 | u32 queues, bool drop) | |
5e3dd157 KV |
5094 | { |
5095 | struct ath10k *ar = hw->priv; | |
affd3217 | 5096 | bool skip; |
5e3dd157 KV |
5097 | int ret; |
5098 | ||
5099 | /* mac80211 doesn't care if we really xmit queued frames or not | |
5100 | * we'll collect those frames either way if we stop/delete vdevs */ | |
5101 | if (drop) | |
5102 | return; | |
5103 | ||
548db54c MK |
5104 | mutex_lock(&ar->conf_mutex); |
5105 | ||
affd3217 MK |
5106 | if (ar->state == ATH10K_STATE_WEDGED) |
5107 | goto skip; | |
5108 | ||
edb8236d | 5109 | ret = wait_event_timeout(ar->htt.empty_tx_wq, ({ |
5e3dd157 | 5110 | bool empty; |
affd3217 | 5111 | |
edb8236d | 5112 | spin_lock_bh(&ar->htt.tx_lock); |
0945baf7 | 5113 | empty = (ar->htt.num_pending_tx == 0); |
edb8236d | 5114 | spin_unlock_bh(&ar->htt.tx_lock); |
affd3217 | 5115 | |
7962b0d8 MK |
5116 | skip = (ar->state == ATH10K_STATE_WEDGED) || |
5117 | test_bit(ATH10K_FLAG_CRASH_FLUSH, | |
5118 | &ar->dev_flags); | |
affd3217 MK |
5119 | |
5120 | (empty || skip); | |
5e3dd157 | 5121 | }), ATH10K_FLUSH_TIMEOUT_HZ); |
affd3217 MK |
5122 | |
5123 | if (ret <= 0 || skip) | |
7aa7a72a | 5124 | ath10k_warn(ar, "failed to flush transmit queue (skip %i ar-state %i): %i\n", |
9ba4c787 | 5125 | skip, ar->state, ret); |
548db54c | 5126 | |
affd3217 | 5127 | skip: |
548db54c | 5128 | mutex_unlock(&ar->conf_mutex); |
5e3dd157 KV |
5129 | } |
5130 | ||
5131 | /* TODO: Implement this function properly | |
5132 | * For now it is needed to reply to Probe Requests in IBSS mode. | |
5133 | * Propably we need this information from FW. | |
5134 | */ | |
5135 | static int ath10k_tx_last_beacon(struct ieee80211_hw *hw) | |
5136 | { | |
5137 | return 1; | |
5138 | } | |
5139 | ||
cf2c92d8 EP |
5140 | static void ath10k_reconfig_complete(struct ieee80211_hw *hw, |
5141 | enum ieee80211_reconfig_type reconfig_type) | |
affd3217 MK |
5142 | { |
5143 | struct ath10k *ar = hw->priv; | |
5144 | ||
cf2c92d8 EP |
5145 | if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART) |
5146 | return; | |
5147 | ||
affd3217 MK |
5148 | mutex_lock(&ar->conf_mutex); |
5149 | ||
5150 | /* If device failed to restart it will be in a different state, e.g. | |
5151 | * ATH10K_STATE_WEDGED */ | |
5152 | if (ar->state == ATH10K_STATE_RESTARTED) { | |
7aa7a72a | 5153 | ath10k_info(ar, "device successfully recovered\n"); |
affd3217 | 5154 | ar->state = ATH10K_STATE_ON; |
7962b0d8 | 5155 | ieee80211_wake_queues(ar->hw); |
affd3217 MK |
5156 | } |
5157 | ||
5158 | mutex_unlock(&ar->conf_mutex); | |
5159 | } | |
5160 | ||
2e1dea40 MK |
5161 | static int ath10k_get_survey(struct ieee80211_hw *hw, int idx, |
5162 | struct survey_info *survey) | |
5163 | { | |
5164 | struct ath10k *ar = hw->priv; | |
5165 | struct ieee80211_supported_band *sband; | |
5166 | struct survey_info *ar_survey = &ar->survey[idx]; | |
5167 | int ret = 0; | |
5168 | ||
5169 | mutex_lock(&ar->conf_mutex); | |
5170 | ||
5171 | sband = hw->wiphy->bands[IEEE80211_BAND_2GHZ]; | |
5172 | if (sband && idx >= sband->n_channels) { | |
5173 | idx -= sband->n_channels; | |
5174 | sband = NULL; | |
5175 | } | |
5176 | ||
5177 | if (!sband) | |
5178 | sband = hw->wiphy->bands[IEEE80211_BAND_5GHZ]; | |
5179 | ||
5180 | if (!sband || idx >= sband->n_channels) { | |
5181 | ret = -ENOENT; | |
5182 | goto exit; | |
5183 | } | |
5184 | ||
5185 | spin_lock_bh(&ar->data_lock); | |
5186 | memcpy(survey, ar_survey, sizeof(*survey)); | |
5187 | spin_unlock_bh(&ar->data_lock); | |
5188 | ||
5189 | survey->channel = &sband->channels[idx]; | |
5190 | ||
fa1d4df8 FF |
5191 | if (ar->rx_channel == survey->channel) |
5192 | survey->filled |= SURVEY_INFO_IN_USE; | |
5193 | ||
2e1dea40 MK |
5194 | exit: |
5195 | mutex_unlock(&ar->conf_mutex); | |
5196 | return ret; | |
5197 | } | |
5198 | ||
51ab1a0a JD |
5199 | /* Helper table for legacy fixed_rate/bitrate_mask */ |
5200 | static const u8 cck_ofdm_rate[] = { | |
6fd4bd26 MK |
5201 | ATH10K_HW_RATE_CCK_LP_1M, |
5202 | ATH10K_HW_RATE_CCK_LP_2M, | |
5203 | ATH10K_HW_RATE_CCK_LP_5_5M, | |
5204 | ATH10K_HW_RATE_CCK_LP_11M, | |
5205 | ATH10K_HW_RATE_OFDM_6M, | |
5206 | ATH10K_HW_RATE_OFDM_9M, | |
5207 | ATH10K_HW_RATE_OFDM_12M, | |
5208 | ATH10K_HW_RATE_OFDM_18M, | |
5209 | ATH10K_HW_RATE_OFDM_24M, | |
5210 | ATH10K_HW_RATE_OFDM_36M, | |
5211 | ATH10K_HW_RATE_OFDM_48M, | |
5212 | ATH10K_HW_RATE_OFDM_54M, | |
51ab1a0a JD |
5213 | }; |
5214 | ||
5215 | /* Check if only one bit set */ | |
5216 | static int ath10k_check_single_mask(u32 mask) | |
5217 | { | |
5218 | int bit; | |
5219 | ||
5220 | bit = ffs(mask); | |
5221 | if (!bit) | |
5222 | return 0; | |
5223 | ||
5224 | mask &= ~BIT(bit - 1); | |
5225 | if (mask) | |
5226 | return 2; | |
5227 | ||
5228 | return 1; | |
5229 | } | |
5230 | ||
5231 | static bool | |
5232 | ath10k_default_bitrate_mask(struct ath10k *ar, | |
5233 | enum ieee80211_band band, | |
5234 | const struct cfg80211_bitrate_mask *mask) | |
5235 | { | |
5236 | u32 legacy = 0x00ff; | |
5237 | u8 ht = 0xff, i; | |
5238 | u16 vht = 0x3ff; | |
b116ea19 BG |
5239 | u16 nrf = ar->num_rf_chains; |
5240 | ||
5241 | if (ar->cfg_tx_chainmask) | |
5242 | nrf = get_nss_from_chainmask(ar->cfg_tx_chainmask); | |
51ab1a0a JD |
5243 | |
5244 | switch (band) { | |
5245 | case IEEE80211_BAND_2GHZ: | |
5246 | legacy = 0x00fff; | |
5247 | vht = 0; | |
5248 | break; | |
5249 | case IEEE80211_BAND_5GHZ: | |
5250 | break; | |
5251 | default: | |
5252 | return false; | |
5253 | } | |
5254 | ||
5255 | if (mask->control[band].legacy != legacy) | |
5256 | return false; | |
5257 | ||
b116ea19 | 5258 | for (i = 0; i < nrf; i++) |
51ab1a0a JD |
5259 | if (mask->control[band].ht_mcs[i] != ht) |
5260 | return false; | |
5261 | ||
b116ea19 | 5262 | for (i = 0; i < nrf; i++) |
51ab1a0a JD |
5263 | if (mask->control[band].vht_mcs[i] != vht) |
5264 | return false; | |
5265 | ||
5266 | return true; | |
5267 | } | |
5268 | ||
5269 | static bool | |
5270 | ath10k_bitrate_mask_nss(const struct cfg80211_bitrate_mask *mask, | |
5271 | enum ieee80211_band band, | |
5272 | u8 *fixed_nss) | |
5273 | { | |
5274 | int ht_nss = 0, vht_nss = 0, i; | |
5275 | ||
5276 | /* check legacy */ | |
5277 | if (ath10k_check_single_mask(mask->control[band].legacy)) | |
5278 | return false; | |
5279 | ||
5280 | /* check HT */ | |
5281 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) { | |
5282 | if (mask->control[band].ht_mcs[i] == 0xff) | |
5283 | continue; | |
5284 | else if (mask->control[band].ht_mcs[i] == 0x00) | |
5285 | break; | |
d8bb26b9 KV |
5286 | |
5287 | return false; | |
51ab1a0a JD |
5288 | } |
5289 | ||
5290 | ht_nss = i; | |
5291 | ||
5292 | /* check VHT */ | |
5293 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
5294 | if (mask->control[band].vht_mcs[i] == 0x03ff) | |
5295 | continue; | |
5296 | else if (mask->control[band].vht_mcs[i] == 0x0000) | |
5297 | break; | |
d8bb26b9 KV |
5298 | |
5299 | return false; | |
51ab1a0a JD |
5300 | } |
5301 | ||
5302 | vht_nss = i; | |
5303 | ||
5304 | if (ht_nss > 0 && vht_nss > 0) | |
5305 | return false; | |
5306 | ||
5307 | if (ht_nss) | |
5308 | *fixed_nss = ht_nss; | |
5309 | else if (vht_nss) | |
5310 | *fixed_nss = vht_nss; | |
5311 | else | |
5312 | return false; | |
5313 | ||
5314 | return true; | |
5315 | } | |
5316 | ||
5317 | static bool | |
5318 | ath10k_bitrate_mask_correct(const struct cfg80211_bitrate_mask *mask, | |
5319 | enum ieee80211_band band, | |
5320 | enum wmi_rate_preamble *preamble) | |
5321 | { | |
5322 | int legacy = 0, ht = 0, vht = 0, i; | |
5323 | ||
5324 | *preamble = WMI_RATE_PREAMBLE_OFDM; | |
5325 | ||
5326 | /* check legacy */ | |
5327 | legacy = ath10k_check_single_mask(mask->control[band].legacy); | |
5328 | if (legacy > 1) | |
5329 | return false; | |
5330 | ||
5331 | /* check HT */ | |
5332 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
5333 | ht += ath10k_check_single_mask(mask->control[band].ht_mcs[i]); | |
5334 | if (ht > 1) | |
5335 | return false; | |
5336 | ||
5337 | /* check VHT */ | |
5338 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) | |
5339 | vht += ath10k_check_single_mask(mask->control[band].vht_mcs[i]); | |
5340 | if (vht > 1) | |
5341 | return false; | |
5342 | ||
5343 | /* Currently we support only one fixed_rate */ | |
5344 | if ((legacy + ht + vht) != 1) | |
5345 | return false; | |
5346 | ||
5347 | if (ht) | |
5348 | *preamble = WMI_RATE_PREAMBLE_HT; | |
5349 | else if (vht) | |
5350 | *preamble = WMI_RATE_PREAMBLE_VHT; | |
5351 | ||
5352 | return true; | |
5353 | } | |
5354 | ||
5355 | static bool | |
7aa7a72a MK |
5356 | ath10k_bitrate_mask_rate(struct ath10k *ar, |
5357 | const struct cfg80211_bitrate_mask *mask, | |
51ab1a0a JD |
5358 | enum ieee80211_band band, |
5359 | u8 *fixed_rate, | |
5360 | u8 *fixed_nss) | |
5361 | { | |
5362 | u8 rate = 0, pream = 0, nss = 0, i; | |
5363 | enum wmi_rate_preamble preamble; | |
5364 | ||
5365 | /* Check if single rate correct */ | |
5366 | if (!ath10k_bitrate_mask_correct(mask, band, &preamble)) | |
5367 | return false; | |
5368 | ||
5369 | pream = preamble; | |
5370 | ||
5371 | switch (preamble) { | |
5372 | case WMI_RATE_PREAMBLE_CCK: | |
5373 | case WMI_RATE_PREAMBLE_OFDM: | |
5374 | i = ffs(mask->control[band].legacy) - 1; | |
5375 | ||
5376 | if (band == IEEE80211_BAND_2GHZ && i < 4) | |
5377 | pream = WMI_RATE_PREAMBLE_CCK; | |
5378 | ||
5379 | if (band == IEEE80211_BAND_5GHZ) | |
5380 | i += 4; | |
5381 | ||
5382 | if (i >= ARRAY_SIZE(cck_ofdm_rate)) | |
5383 | return false; | |
5384 | ||
5385 | rate = cck_ofdm_rate[i]; | |
5386 | break; | |
5387 | case WMI_RATE_PREAMBLE_HT: | |
5388 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
5389 | if (mask->control[band].ht_mcs[i]) | |
5390 | break; | |
5391 | ||
5392 | if (i == IEEE80211_HT_MCS_MASK_LEN) | |
5393 | return false; | |
5394 | ||
5395 | rate = ffs(mask->control[band].ht_mcs[i]) - 1; | |
5396 | nss = i; | |
5397 | break; | |
5398 | case WMI_RATE_PREAMBLE_VHT: | |
5399 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) | |
5400 | if (mask->control[band].vht_mcs[i]) | |
5401 | break; | |
5402 | ||
5403 | if (i == NL80211_VHT_NSS_MAX) | |
5404 | return false; | |
5405 | ||
5406 | rate = ffs(mask->control[band].vht_mcs[i]) - 1; | |
5407 | nss = i; | |
5408 | break; | |
5409 | } | |
5410 | ||
5411 | *fixed_nss = nss + 1; | |
5412 | nss <<= 4; | |
5413 | pream <<= 6; | |
5414 | ||
7aa7a72a | 5415 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac fixed rate pream 0x%02x nss 0x%02x rate 0x%02x\n", |
51ab1a0a JD |
5416 | pream, nss, rate); |
5417 | ||
5418 | *fixed_rate = pream | nss | rate; | |
5419 | ||
5420 | return true; | |
5421 | } | |
5422 | ||
7aa7a72a MK |
5423 | static bool ath10k_get_fixed_rate_nss(struct ath10k *ar, |
5424 | const struct cfg80211_bitrate_mask *mask, | |
51ab1a0a JD |
5425 | enum ieee80211_band band, |
5426 | u8 *fixed_rate, | |
5427 | u8 *fixed_nss) | |
5428 | { | |
5429 | /* First check full NSS mask, if we can simply limit NSS */ | |
5430 | if (ath10k_bitrate_mask_nss(mask, band, fixed_nss)) | |
5431 | return true; | |
5432 | ||
5433 | /* Next Check single rate is set */ | |
7aa7a72a | 5434 | return ath10k_bitrate_mask_rate(ar, mask, band, fixed_rate, fixed_nss); |
51ab1a0a JD |
5435 | } |
5436 | ||
5437 | static int ath10k_set_fixed_rate_param(struct ath10k_vif *arvif, | |
5438 | u8 fixed_rate, | |
9f81f725 JD |
5439 | u8 fixed_nss, |
5440 | u8 force_sgi) | |
51ab1a0a JD |
5441 | { |
5442 | struct ath10k *ar = arvif->ar; | |
5443 | u32 vdev_param; | |
5444 | int ret = 0; | |
5445 | ||
5446 | mutex_lock(&ar->conf_mutex); | |
5447 | ||
5448 | if (arvif->fixed_rate == fixed_rate && | |
9f81f725 JD |
5449 | arvif->fixed_nss == fixed_nss && |
5450 | arvif->force_sgi == force_sgi) | |
51ab1a0a JD |
5451 | goto exit; |
5452 | ||
5453 | if (fixed_rate == WMI_FIXED_RATE_NONE) | |
7aa7a72a | 5454 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac disable fixed bitrate mask\n"); |
51ab1a0a | 5455 | |
9f81f725 | 5456 | if (force_sgi) |
7aa7a72a | 5457 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac force sgi\n"); |
9f81f725 | 5458 | |
51ab1a0a JD |
5459 | vdev_param = ar->wmi.vdev_param->fixed_rate; |
5460 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, | |
5461 | vdev_param, fixed_rate); | |
5462 | if (ret) { | |
7aa7a72a | 5463 | ath10k_warn(ar, "failed to set fixed rate param 0x%02x: %d\n", |
51ab1a0a JD |
5464 | fixed_rate, ret); |
5465 | ret = -EINVAL; | |
5466 | goto exit; | |
5467 | } | |
5468 | ||
5469 | arvif->fixed_rate = fixed_rate; | |
5470 | ||
5471 | vdev_param = ar->wmi.vdev_param->nss; | |
5472 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, | |
5473 | vdev_param, fixed_nss); | |
5474 | ||
5475 | if (ret) { | |
7aa7a72a | 5476 | ath10k_warn(ar, "failed to set fixed nss param %d: %d\n", |
51ab1a0a JD |
5477 | fixed_nss, ret); |
5478 | ret = -EINVAL; | |
5479 | goto exit; | |
5480 | } | |
5481 | ||
5482 | arvif->fixed_nss = fixed_nss; | |
5483 | ||
9f81f725 JD |
5484 | vdev_param = ar->wmi.vdev_param->sgi; |
5485 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5486 | force_sgi); | |
5487 | ||
5488 | if (ret) { | |
7aa7a72a | 5489 | ath10k_warn(ar, "failed to set sgi param %d: %d\n", |
9f81f725 JD |
5490 | force_sgi, ret); |
5491 | ret = -EINVAL; | |
5492 | goto exit; | |
5493 | } | |
5494 | ||
5495 | arvif->force_sgi = force_sgi; | |
5496 | ||
51ab1a0a JD |
5497 | exit: |
5498 | mutex_unlock(&ar->conf_mutex); | |
5499 | return ret; | |
5500 | } | |
5501 | ||
5502 | static int ath10k_set_bitrate_mask(struct ieee80211_hw *hw, | |
5503 | struct ieee80211_vif *vif, | |
5504 | const struct cfg80211_bitrate_mask *mask) | |
5505 | { | |
5506 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
5507 | struct ath10k *ar = arvif->ar; | |
5508 | enum ieee80211_band band = ar->hw->conf.chandef.chan->band; | |
5509 | u8 fixed_rate = WMI_FIXED_RATE_NONE; | |
5510 | u8 fixed_nss = ar->num_rf_chains; | |
9f81f725 JD |
5511 | u8 force_sgi; |
5512 | ||
b116ea19 BG |
5513 | if (ar->cfg_tx_chainmask) |
5514 | fixed_nss = get_nss_from_chainmask(ar->cfg_tx_chainmask); | |
5515 | ||
9f81f725 JD |
5516 | force_sgi = mask->control[band].gi; |
5517 | if (force_sgi == NL80211_TXRATE_FORCE_LGI) | |
5518 | return -EINVAL; | |
51ab1a0a JD |
5519 | |
5520 | if (!ath10k_default_bitrate_mask(ar, band, mask)) { | |
7aa7a72a | 5521 | if (!ath10k_get_fixed_rate_nss(ar, mask, band, |
51ab1a0a JD |
5522 | &fixed_rate, |
5523 | &fixed_nss)) | |
5524 | return -EINVAL; | |
5525 | } | |
5526 | ||
9f81f725 | 5527 | if (fixed_rate == WMI_FIXED_RATE_NONE && force_sgi) { |
7aa7a72a | 5528 | ath10k_warn(ar, "failed to force SGI usage for default rate settings\n"); |
9f81f725 JD |
5529 | return -EINVAL; |
5530 | } | |
5531 | ||
5532 | return ath10k_set_fixed_rate_param(arvif, fixed_rate, | |
5533 | fixed_nss, force_sgi); | |
51ab1a0a JD |
5534 | } |
5535 | ||
9797febc MK |
5536 | static void ath10k_sta_rc_update(struct ieee80211_hw *hw, |
5537 | struct ieee80211_vif *vif, | |
5538 | struct ieee80211_sta *sta, | |
5539 | u32 changed) | |
5540 | { | |
5541 | struct ath10k *ar = hw->priv; | |
5542 | struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; | |
5543 | u32 bw, smps; | |
5544 | ||
5545 | spin_lock_bh(&ar->data_lock); | |
5546 | ||
7aa7a72a | 5547 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
9797febc MK |
5548 | "mac sta rc update for %pM changed %08x bw %d nss %d smps %d\n", |
5549 | sta->addr, changed, sta->bandwidth, sta->rx_nss, | |
5550 | sta->smps_mode); | |
5551 | ||
5552 | if (changed & IEEE80211_RC_BW_CHANGED) { | |
5553 | bw = WMI_PEER_CHWIDTH_20MHZ; | |
5554 | ||
5555 | switch (sta->bandwidth) { | |
5556 | case IEEE80211_STA_RX_BW_20: | |
5557 | bw = WMI_PEER_CHWIDTH_20MHZ; | |
5558 | break; | |
5559 | case IEEE80211_STA_RX_BW_40: | |
5560 | bw = WMI_PEER_CHWIDTH_40MHZ; | |
5561 | break; | |
5562 | case IEEE80211_STA_RX_BW_80: | |
5563 | bw = WMI_PEER_CHWIDTH_80MHZ; | |
5564 | break; | |
5565 | case IEEE80211_STA_RX_BW_160: | |
7aa7a72a | 5566 | ath10k_warn(ar, "Invalid bandwith %d in rc update for %pM\n", |
be6546fc | 5567 | sta->bandwidth, sta->addr); |
9797febc MK |
5568 | bw = WMI_PEER_CHWIDTH_20MHZ; |
5569 | break; | |
5570 | } | |
5571 | ||
5572 | arsta->bw = bw; | |
5573 | } | |
5574 | ||
5575 | if (changed & IEEE80211_RC_NSS_CHANGED) | |
5576 | arsta->nss = sta->rx_nss; | |
5577 | ||
5578 | if (changed & IEEE80211_RC_SMPS_CHANGED) { | |
5579 | smps = WMI_PEER_SMPS_PS_NONE; | |
5580 | ||
5581 | switch (sta->smps_mode) { | |
5582 | case IEEE80211_SMPS_AUTOMATIC: | |
5583 | case IEEE80211_SMPS_OFF: | |
5584 | smps = WMI_PEER_SMPS_PS_NONE; | |
5585 | break; | |
5586 | case IEEE80211_SMPS_STATIC: | |
5587 | smps = WMI_PEER_SMPS_STATIC; | |
5588 | break; | |
5589 | case IEEE80211_SMPS_DYNAMIC: | |
5590 | smps = WMI_PEER_SMPS_DYNAMIC; | |
5591 | break; | |
5592 | case IEEE80211_SMPS_NUM_MODES: | |
7aa7a72a | 5593 | ath10k_warn(ar, "Invalid smps %d in sta rc update for %pM\n", |
be6546fc | 5594 | sta->smps_mode, sta->addr); |
9797febc MK |
5595 | smps = WMI_PEER_SMPS_PS_NONE; |
5596 | break; | |
5597 | } | |
5598 | ||
5599 | arsta->smps = smps; | |
5600 | } | |
5601 | ||
9797febc MK |
5602 | arsta->changed |= changed; |
5603 | ||
5604 | spin_unlock_bh(&ar->data_lock); | |
5605 | ||
5606 | ieee80211_queue_work(hw, &arsta->update_wk); | |
5607 | } | |
5608 | ||
26ebbccf CYY |
5609 | static u64 ath10k_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
5610 | { | |
5611 | /* | |
5612 | * FIXME: Return 0 for time being. Need to figure out whether FW | |
5613 | * has the API to fetch 64-bit local TSF | |
5614 | */ | |
5615 | ||
5616 | return 0; | |
5617 | } | |
5618 | ||
aa5b4fbc MK |
5619 | static int ath10k_ampdu_action(struct ieee80211_hw *hw, |
5620 | struct ieee80211_vif *vif, | |
5621 | enum ieee80211_ampdu_mlme_action action, | |
5622 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, | |
5623 | u8 buf_size) | |
5624 | { | |
7aa7a72a | 5625 | struct ath10k *ar = hw->priv; |
aa5b4fbc MK |
5626 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
5627 | ||
7aa7a72a | 5628 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ampdu vdev_id %i sta %pM tid %hu action %d\n", |
aa5b4fbc MK |
5629 | arvif->vdev_id, sta->addr, tid, action); |
5630 | ||
5631 | switch (action) { | |
5632 | case IEEE80211_AMPDU_RX_START: | |
5633 | case IEEE80211_AMPDU_RX_STOP: | |
5634 | /* HTT AddBa/DelBa events trigger mac80211 Rx BA session | |
5635 | * creation/removal. Do we need to verify this? | |
5636 | */ | |
5637 | return 0; | |
5638 | case IEEE80211_AMPDU_TX_START: | |
5639 | case IEEE80211_AMPDU_TX_STOP_CONT: | |
5640 | case IEEE80211_AMPDU_TX_STOP_FLUSH: | |
5641 | case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: | |
5642 | case IEEE80211_AMPDU_TX_OPERATIONAL: | |
5643 | /* Firmware offloads Tx aggregation entirely so deny mac80211 | |
5644 | * Tx aggregation requests. | |
5645 | */ | |
5646 | return -EOPNOTSUPP; | |
5647 | } | |
5648 | ||
5649 | return -EINVAL; | |
5650 | } | |
5651 | ||
5e3dd157 KV |
5652 | static const struct ieee80211_ops ath10k_ops = { |
5653 | .tx = ath10k_tx, | |
5654 | .start = ath10k_start, | |
5655 | .stop = ath10k_stop, | |
5656 | .config = ath10k_config, | |
5657 | .add_interface = ath10k_add_interface, | |
5658 | .remove_interface = ath10k_remove_interface, | |
5659 | .configure_filter = ath10k_configure_filter, | |
5660 | .bss_info_changed = ath10k_bss_info_changed, | |
5661 | .hw_scan = ath10k_hw_scan, | |
5662 | .cancel_hw_scan = ath10k_cancel_hw_scan, | |
5663 | .set_key = ath10k_set_key, | |
627613f8 | 5664 | .set_default_unicast_key = ath10k_set_default_unicast_key, |
5e3dd157 KV |
5665 | .sta_state = ath10k_sta_state, |
5666 | .conf_tx = ath10k_conf_tx, | |
5667 | .remain_on_channel = ath10k_remain_on_channel, | |
5668 | .cancel_remain_on_channel = ath10k_cancel_remain_on_channel, | |
5669 | .set_rts_threshold = ath10k_set_rts_threshold, | |
5e3dd157 KV |
5670 | .flush = ath10k_flush, |
5671 | .tx_last_beacon = ath10k_tx_last_beacon, | |
46acf7bb BG |
5672 | .set_antenna = ath10k_set_antenna, |
5673 | .get_antenna = ath10k_get_antenna, | |
cf2c92d8 | 5674 | .reconfig_complete = ath10k_reconfig_complete, |
2e1dea40 | 5675 | .get_survey = ath10k_get_survey, |
51ab1a0a | 5676 | .set_bitrate_mask = ath10k_set_bitrate_mask, |
9797febc | 5677 | .sta_rc_update = ath10k_sta_rc_update, |
26ebbccf | 5678 | .get_tsf = ath10k_get_tsf, |
aa5b4fbc | 5679 | .ampdu_action = ath10k_ampdu_action, |
6cddcc7a BG |
5680 | .get_et_sset_count = ath10k_debug_get_et_sset_count, |
5681 | .get_et_stats = ath10k_debug_get_et_stats, | |
5682 | .get_et_strings = ath10k_debug_get_et_strings, | |
43d2a30f KV |
5683 | |
5684 | CFG80211_TESTMODE_CMD(ath10k_tm_cmd) | |
5685 | ||
8cd13cad | 5686 | #ifdef CONFIG_PM |
5fd3ac3c JD |
5687 | .suspend = ath10k_wow_op_suspend, |
5688 | .resume = ath10k_wow_op_resume, | |
8cd13cad | 5689 | #endif |
f5045988 RM |
5690 | #ifdef CONFIG_MAC80211_DEBUGFS |
5691 | .sta_add_debugfs = ath10k_sta_add_debugfs, | |
5692 | #endif | |
5e3dd157 KV |
5693 | }; |
5694 | ||
5e3dd157 KV |
5695 | #define CHAN2G(_channel, _freq, _flags) { \ |
5696 | .band = IEEE80211_BAND_2GHZ, \ | |
5697 | .hw_value = (_channel), \ | |
5698 | .center_freq = (_freq), \ | |
5699 | .flags = (_flags), \ | |
5700 | .max_antenna_gain = 0, \ | |
5701 | .max_power = 30, \ | |
5702 | } | |
5703 | ||
5704 | #define CHAN5G(_channel, _freq, _flags) { \ | |
5705 | .band = IEEE80211_BAND_5GHZ, \ | |
5706 | .hw_value = (_channel), \ | |
5707 | .center_freq = (_freq), \ | |
5708 | .flags = (_flags), \ | |
5709 | .max_antenna_gain = 0, \ | |
5710 | .max_power = 30, \ | |
5711 | } | |
5712 | ||
5713 | static const struct ieee80211_channel ath10k_2ghz_channels[] = { | |
5714 | CHAN2G(1, 2412, 0), | |
5715 | CHAN2G(2, 2417, 0), | |
5716 | CHAN2G(3, 2422, 0), | |
5717 | CHAN2G(4, 2427, 0), | |
5718 | CHAN2G(5, 2432, 0), | |
5719 | CHAN2G(6, 2437, 0), | |
5720 | CHAN2G(7, 2442, 0), | |
5721 | CHAN2G(8, 2447, 0), | |
5722 | CHAN2G(9, 2452, 0), | |
5723 | CHAN2G(10, 2457, 0), | |
5724 | CHAN2G(11, 2462, 0), | |
5725 | CHAN2G(12, 2467, 0), | |
5726 | CHAN2G(13, 2472, 0), | |
5727 | CHAN2G(14, 2484, 0), | |
5728 | }; | |
5729 | ||
5730 | static const struct ieee80211_channel ath10k_5ghz_channels[] = { | |
429ff56a MK |
5731 | CHAN5G(36, 5180, 0), |
5732 | CHAN5G(40, 5200, 0), | |
5733 | CHAN5G(44, 5220, 0), | |
5734 | CHAN5G(48, 5240, 0), | |
5735 | CHAN5G(52, 5260, 0), | |
5736 | CHAN5G(56, 5280, 0), | |
5737 | CHAN5G(60, 5300, 0), | |
5738 | CHAN5G(64, 5320, 0), | |
5739 | CHAN5G(100, 5500, 0), | |
5740 | CHAN5G(104, 5520, 0), | |
5741 | CHAN5G(108, 5540, 0), | |
5742 | CHAN5G(112, 5560, 0), | |
5743 | CHAN5G(116, 5580, 0), | |
5744 | CHAN5G(120, 5600, 0), | |
5745 | CHAN5G(124, 5620, 0), | |
5746 | CHAN5G(128, 5640, 0), | |
5747 | CHAN5G(132, 5660, 0), | |
5748 | CHAN5G(136, 5680, 0), | |
5749 | CHAN5G(140, 5700, 0), | |
4a7898fe | 5750 | CHAN5G(144, 5720, 0), |
429ff56a MK |
5751 | CHAN5G(149, 5745, 0), |
5752 | CHAN5G(153, 5765, 0), | |
5753 | CHAN5G(157, 5785, 0), | |
5754 | CHAN5G(161, 5805, 0), | |
5755 | CHAN5G(165, 5825, 0), | |
5e3dd157 KV |
5756 | }; |
5757 | ||
e7b54194 | 5758 | struct ath10k *ath10k_mac_create(size_t priv_size) |
5e3dd157 KV |
5759 | { |
5760 | struct ieee80211_hw *hw; | |
5761 | struct ath10k *ar; | |
5762 | ||
e7b54194 | 5763 | hw = ieee80211_alloc_hw(sizeof(struct ath10k) + priv_size, &ath10k_ops); |
5e3dd157 KV |
5764 | if (!hw) |
5765 | return NULL; | |
5766 | ||
5767 | ar = hw->priv; | |
5768 | ar->hw = hw; | |
5769 | ||
5770 | return ar; | |
5771 | } | |
5772 | ||
5773 | void ath10k_mac_destroy(struct ath10k *ar) | |
5774 | { | |
5775 | ieee80211_free_hw(ar->hw); | |
5776 | } | |
5777 | ||
5778 | static const struct ieee80211_iface_limit ath10k_if_limits[] = { | |
5779 | { | |
5780 | .max = 8, | |
5781 | .types = BIT(NL80211_IFTYPE_STATION) | |
5782 | | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
d531cb85 MK |
5783 | }, |
5784 | { | |
5785 | .max = 3, | |
5786 | .types = BIT(NL80211_IFTYPE_P2P_GO) | |
5787 | }, | |
5788 | { | |
75d2bd48 MK |
5789 | .max = 1, |
5790 | .types = BIT(NL80211_IFTYPE_P2P_DEVICE) | |
5791 | }, | |
5792 | { | |
d531cb85 MK |
5793 | .max = 7, |
5794 | .types = BIT(NL80211_IFTYPE_AP) | |
5795 | }, | |
5e3dd157 KV |
5796 | }; |
5797 | ||
f259509b | 5798 | static const struct ieee80211_iface_limit ath10k_10x_if_limits[] = { |
e8a50f8b MP |
5799 | { |
5800 | .max = 8, | |
5801 | .types = BIT(NL80211_IFTYPE_AP) | |
5802 | }, | |
5803 | }; | |
e8a50f8b MP |
5804 | |
5805 | static const struct ieee80211_iface_combination ath10k_if_comb[] = { | |
5806 | { | |
5807 | .limits = ath10k_if_limits, | |
5808 | .n_limits = ARRAY_SIZE(ath10k_if_limits), | |
5809 | .max_interfaces = 8, | |
5810 | .num_different_channels = 1, | |
5811 | .beacon_int_infra_match = true, | |
5812 | }, | |
f259509b BM |
5813 | }; |
5814 | ||
5815 | static const struct ieee80211_iface_combination ath10k_10x_if_comb[] = { | |
e8a50f8b | 5816 | { |
f259509b BM |
5817 | .limits = ath10k_10x_if_limits, |
5818 | .n_limits = ARRAY_SIZE(ath10k_10x_if_limits), | |
e8a50f8b MP |
5819 | .max_interfaces = 8, |
5820 | .num_different_channels = 1, | |
5821 | .beacon_int_infra_match = true, | |
f259509b | 5822 | #ifdef CONFIG_ATH10K_DFS_CERTIFIED |
e8a50f8b MP |
5823 | .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | |
5824 | BIT(NL80211_CHAN_WIDTH_20) | | |
5825 | BIT(NL80211_CHAN_WIDTH_40) | | |
5826 | BIT(NL80211_CHAN_WIDTH_80), | |
e8a50f8b | 5827 | #endif |
f259509b | 5828 | }, |
5e3dd157 KV |
5829 | }; |
5830 | ||
5831 | static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar) | |
5832 | { | |
5833 | struct ieee80211_sta_vht_cap vht_cap = {0}; | |
5834 | u16 mcs_map; | |
bc657a36 | 5835 | u32 val; |
8865bee4 | 5836 | int i; |
5e3dd157 KV |
5837 | |
5838 | vht_cap.vht_supported = 1; | |
5839 | vht_cap.cap = ar->vht_cap_info; | |
5840 | ||
bc657a36 MK |
5841 | if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | |
5842 | IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) { | |
5843 | val = ar->num_rf_chains - 1; | |
5844 | val <<= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT; | |
5845 | val &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK; | |
5846 | ||
5847 | vht_cap.cap |= val; | |
5848 | } | |
5849 | ||
5850 | if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | | |
5851 | IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) { | |
5852 | val = ar->num_rf_chains - 1; | |
5853 | val <<= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT; | |
5854 | val &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK; | |
5855 | ||
5856 | vht_cap.cap |= val; | |
5857 | } | |
5858 | ||
8865bee4 MK |
5859 | mcs_map = 0; |
5860 | for (i = 0; i < 8; i++) { | |
5861 | if (i < ar->num_rf_chains) | |
5862 | mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i*2); | |
5863 | else | |
5864 | mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i*2); | |
5865 | } | |
5e3dd157 KV |
5866 | |
5867 | vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map); | |
5868 | vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map); | |
5869 | ||
5870 | return vht_cap; | |
5871 | } | |
5872 | ||
5873 | static struct ieee80211_sta_ht_cap ath10k_get_ht_cap(struct ath10k *ar) | |
5874 | { | |
5875 | int i; | |
5876 | struct ieee80211_sta_ht_cap ht_cap = {0}; | |
5877 | ||
5878 | if (!(ar->ht_cap_info & WMI_HT_CAP_ENABLED)) | |
5879 | return ht_cap; | |
5880 | ||
5881 | ht_cap.ht_supported = 1; | |
5882 | ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; | |
5883 | ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8; | |
5884 | ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
5885 | ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40; | |
5886 | ht_cap.cap |= WLAN_HT_CAP_SM_PS_STATIC << IEEE80211_HT_CAP_SM_PS_SHIFT; | |
5887 | ||
5888 | if (ar->ht_cap_info & WMI_HT_CAP_HT20_SGI) | |
5889 | ht_cap.cap |= IEEE80211_HT_CAP_SGI_20; | |
5890 | ||
5891 | if (ar->ht_cap_info & WMI_HT_CAP_HT40_SGI) | |
5892 | ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; | |
5893 | ||
5894 | if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) { | |
5895 | u32 smps; | |
5896 | ||
5897 | smps = WLAN_HT_CAP_SM_PS_DYNAMIC; | |
5898 | smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT; | |
5899 | ||
5900 | ht_cap.cap |= smps; | |
5901 | } | |
5902 | ||
5903 | if (ar->ht_cap_info & WMI_HT_CAP_TX_STBC) | |
5904 | ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC; | |
5905 | ||
5906 | if (ar->ht_cap_info & WMI_HT_CAP_RX_STBC) { | |
5907 | u32 stbc; | |
5908 | ||
5909 | stbc = ar->ht_cap_info; | |
5910 | stbc &= WMI_HT_CAP_RX_STBC; | |
5911 | stbc >>= WMI_HT_CAP_RX_STBC_MASK_SHIFT; | |
5912 | stbc <<= IEEE80211_HT_CAP_RX_STBC_SHIFT; | |
5913 | stbc &= IEEE80211_HT_CAP_RX_STBC; | |
5914 | ||
5915 | ht_cap.cap |= stbc; | |
5916 | } | |
5917 | ||
5918 | if (ar->ht_cap_info & WMI_HT_CAP_LDPC) | |
5919 | ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING; | |
5920 | ||
5921 | if (ar->ht_cap_info & WMI_HT_CAP_L_SIG_TXOP_PROT) | |
5922 | ht_cap.cap |= IEEE80211_HT_CAP_LSIG_TXOP_PROT; | |
5923 | ||
5924 | /* max AMSDU is implicitly taken from vht_cap_info */ | |
5925 | if (ar->vht_cap_info & WMI_VHT_CAP_MAX_MPDU_LEN_MASK) | |
5926 | ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU; | |
5927 | ||
8865bee4 | 5928 | for (i = 0; i < ar->num_rf_chains; i++) |
5e3dd157 KV |
5929 | ht_cap.mcs.rx_mask[i] = 0xFF; |
5930 | ||
5931 | ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED; | |
5932 | ||
5933 | return ht_cap; | |
5934 | } | |
5935 | ||
5e3dd157 KV |
5936 | static void ath10k_get_arvif_iter(void *data, u8 *mac, |
5937 | struct ieee80211_vif *vif) | |
5938 | { | |
5939 | struct ath10k_vif_iter *arvif_iter = data; | |
5940 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
5941 | ||
5942 | if (arvif->vdev_id == arvif_iter->vdev_id) | |
5943 | arvif_iter->arvif = arvif; | |
5944 | } | |
5945 | ||
5946 | struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id) | |
5947 | { | |
5948 | struct ath10k_vif_iter arvif_iter; | |
5949 | u32 flags; | |
5950 | ||
5951 | memset(&arvif_iter, 0, sizeof(struct ath10k_vif_iter)); | |
5952 | arvif_iter.vdev_id = vdev_id; | |
5953 | ||
5954 | flags = IEEE80211_IFACE_ITER_RESUME_ALL; | |
5955 | ieee80211_iterate_active_interfaces_atomic(ar->hw, | |
5956 | flags, | |
5957 | ath10k_get_arvif_iter, | |
5958 | &arvif_iter); | |
5959 | if (!arvif_iter.arvif) { | |
7aa7a72a | 5960 | ath10k_warn(ar, "No VIF found for vdev %d\n", vdev_id); |
5e3dd157 KV |
5961 | return NULL; |
5962 | } | |
5963 | ||
5964 | return arvif_iter.arvif; | |
5965 | } | |
5966 | ||
5967 | int ath10k_mac_register(struct ath10k *ar) | |
5968 | { | |
3cb10943 JB |
5969 | static const u32 cipher_suites[] = { |
5970 | WLAN_CIPHER_SUITE_WEP40, | |
5971 | WLAN_CIPHER_SUITE_WEP104, | |
5972 | WLAN_CIPHER_SUITE_TKIP, | |
5973 | WLAN_CIPHER_SUITE_CCMP, | |
5974 | WLAN_CIPHER_SUITE_AES_CMAC, | |
5975 | }; | |
5e3dd157 KV |
5976 | struct ieee80211_supported_band *band; |
5977 | struct ieee80211_sta_vht_cap vht_cap; | |
5978 | struct ieee80211_sta_ht_cap ht_cap; | |
5979 | void *channels; | |
5980 | int ret; | |
5981 | ||
5982 | SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr); | |
5983 | ||
5984 | SET_IEEE80211_DEV(ar->hw, ar->dev); | |
5985 | ||
5986 | ht_cap = ath10k_get_ht_cap(ar); | |
5987 | vht_cap = ath10k_create_vht_cap(ar); | |
5988 | ||
5989 | if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) { | |
5990 | channels = kmemdup(ath10k_2ghz_channels, | |
5991 | sizeof(ath10k_2ghz_channels), | |
5992 | GFP_KERNEL); | |
d6015b27 MK |
5993 | if (!channels) { |
5994 | ret = -ENOMEM; | |
5995 | goto err_free; | |
5996 | } | |
5e3dd157 KV |
5997 | |
5998 | band = &ar->mac.sbands[IEEE80211_BAND_2GHZ]; | |
5999 | band->n_channels = ARRAY_SIZE(ath10k_2ghz_channels); | |
6000 | band->channels = channels; | |
6001 | band->n_bitrates = ath10k_g_rates_size; | |
6002 | band->bitrates = ath10k_g_rates; | |
6003 | band->ht_cap = ht_cap; | |
6004 | ||
d68bb12a YL |
6005 | /* Enable the VHT support at 2.4 GHz */ |
6006 | band->vht_cap = vht_cap; | |
5e3dd157 KV |
6007 | |
6008 | ar->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band; | |
6009 | } | |
6010 | ||
6011 | if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) { | |
6012 | channels = kmemdup(ath10k_5ghz_channels, | |
6013 | sizeof(ath10k_5ghz_channels), | |
6014 | GFP_KERNEL); | |
6015 | if (!channels) { | |
d6015b27 MK |
6016 | ret = -ENOMEM; |
6017 | goto err_free; | |
5e3dd157 KV |
6018 | } |
6019 | ||
6020 | band = &ar->mac.sbands[IEEE80211_BAND_5GHZ]; | |
6021 | band->n_channels = ARRAY_SIZE(ath10k_5ghz_channels); | |
6022 | band->channels = channels; | |
6023 | band->n_bitrates = ath10k_a_rates_size; | |
6024 | band->bitrates = ath10k_a_rates; | |
6025 | band->ht_cap = ht_cap; | |
6026 | band->vht_cap = vht_cap; | |
6027 | ar->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = band; | |
6028 | } | |
6029 | ||
6030 | ar->hw->wiphy->interface_modes = | |
6031 | BIT(NL80211_IFTYPE_STATION) | | |
d354181f BM |
6032 | BIT(NL80211_IFTYPE_AP); |
6033 | ||
46acf7bb BG |
6034 | ar->hw->wiphy->available_antennas_rx = ar->supp_rx_chainmask; |
6035 | ar->hw->wiphy->available_antennas_tx = ar->supp_tx_chainmask; | |
6036 | ||
d354181f BM |
6037 | if (!test_bit(ATH10K_FW_FEATURE_NO_P2P, ar->fw_features)) |
6038 | ar->hw->wiphy->interface_modes |= | |
75d2bd48 | 6039 | BIT(NL80211_IFTYPE_P2P_DEVICE) | |
d354181f BM |
6040 | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
6041 | BIT(NL80211_IFTYPE_P2P_GO); | |
5e3dd157 KV |
6042 | |
6043 | ar->hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
6044 | IEEE80211_HW_SUPPORTS_PS | | |
6045 | IEEE80211_HW_SUPPORTS_DYNAMIC_PS | | |
5e3dd157 KV |
6046 | IEEE80211_HW_MFP_CAPABLE | |
6047 | IEEE80211_HW_REPORTS_TX_ACK_STATUS | | |
6048 | IEEE80211_HW_HAS_RATE_CONTROL | | |
2f0f1121 | 6049 | IEEE80211_HW_AP_LINK_PS | |
3cb10943 | 6050 | IEEE80211_HW_SPECTRUM_MGMT | |
cc9904e6 MK |
6051 | IEEE80211_HW_SW_CRYPTO_CONTROL | |
6052 | IEEE80211_HW_CONNECTION_MONITOR; | |
5e3dd157 | 6053 | |
0d8614b4 EP |
6054 | ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS; |
6055 | ||
5e3dd157 | 6056 | if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) |
0d8614b4 | 6057 | ar->hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS; |
5e3dd157 KV |
6058 | |
6059 | if (ar->ht_cap_info & WMI_HT_CAP_ENABLED) { | |
6060 | ar->hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION; | |
6061 | ar->hw->flags |= IEEE80211_HW_TX_AMPDU_SETUP_IN_HW; | |
6062 | } | |
6063 | ||
6064 | ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID; | |
6065 | ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN; | |
6066 | ||
6067 | ar->hw->vif_data_size = sizeof(struct ath10k_vif); | |
9797febc | 6068 | ar->hw->sta_data_size = sizeof(struct ath10k_sta); |
5e3dd157 | 6069 | |
5e3dd157 KV |
6070 | ar->hw->max_listen_interval = ATH10K_MAX_HW_LISTEN_INTERVAL; |
6071 | ||
fbb8f1b7 MK |
6072 | if (test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) { |
6073 | ar->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; | |
6074 | ||
6075 | /* Firmware delivers WPS/P2P Probe Requests frames to driver so | |
6076 | * that userspace (e.g. wpa_supplicant/hostapd) can generate | |
6077 | * correct Probe Responses. This is more of a hack advert.. | |
6078 | */ | |
6079 | ar->hw->wiphy->probe_resp_offload |= | |
6080 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | | |
6081 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | | |
6082 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; | |
6083 | } | |
6084 | ||
75d85fd9 MP |
6085 | if (test_bit(WMI_SERVICE_TDLS, ar->wmi.svc_map)) |
6086 | ar->hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; | |
6087 | ||
5e3dd157 | 6088 | ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; |
c2df44b3 | 6089 | ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; |
5e3dd157 KV |
6090 | ar->hw->wiphy->max_remain_on_channel_duration = 5000; |
6091 | ||
6092 | ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; | |
78157a1c RM |
6093 | ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE; |
6094 | ||
37a0b394 JD |
6095 | ar->hw->wiphy->max_ap_assoc_sta = ar->max_num_stations; |
6096 | ||
5fd3ac3c JD |
6097 | ret = ath10k_wow_init(ar); |
6098 | if (ret) { | |
6099 | ath10k_warn(ar, "failed to init wow: %d\n", ret); | |
6100 | goto err_free; | |
6101 | } | |
6102 | ||
5e3dd157 KV |
6103 | /* |
6104 | * on LL hardware queues are managed entirely by the FW | |
6105 | * so we only advertise to mac we can do the queues thing | |
6106 | */ | |
6107 | ar->hw->queues = 4; | |
6108 | ||
5cc7caf4 KV |
6109 | switch (ar->wmi.op_version) { |
6110 | case ATH10K_FW_WMI_OP_VERSION_MAIN: | |
6111 | case ATH10K_FW_WMI_OP_VERSION_TLV: | |
f259509b BM |
6112 | ar->hw->wiphy->iface_combinations = ath10k_if_comb; |
6113 | ar->hw->wiphy->n_iface_combinations = | |
6114 | ARRAY_SIZE(ath10k_if_comb); | |
cf850d1d | 6115 | ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC); |
5cc7caf4 KV |
6116 | break; |
6117 | case ATH10K_FW_WMI_OP_VERSION_10_1: | |
6118 | case ATH10K_FW_WMI_OP_VERSION_10_2: | |
4a16fbec | 6119 | case ATH10K_FW_WMI_OP_VERSION_10_2_4: |
5cc7caf4 KV |
6120 | ar->hw->wiphy->iface_combinations = ath10k_10x_if_comb; |
6121 | ar->hw->wiphy->n_iface_combinations = | |
6122 | ARRAY_SIZE(ath10k_10x_if_comb); | |
6123 | break; | |
6124 | case ATH10K_FW_WMI_OP_VERSION_UNSET: | |
6125 | case ATH10K_FW_WMI_OP_VERSION_MAX: | |
6126 | WARN_ON(1); | |
6127 | ret = -EINVAL; | |
6128 | goto err_free; | |
f259509b | 6129 | } |
5e3dd157 | 6130 | |
7c199997 MK |
6131 | ar->hw->netdev_features = NETIF_F_HW_CSUM; |
6132 | ||
9702c686 JD |
6133 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) { |
6134 | /* Init ath dfs pattern detector */ | |
6135 | ar->ath_common.debug_mask = ATH_DBG_DFS; | |
6136 | ar->dfs_detector = dfs_pattern_detector_init(&ar->ath_common, | |
6137 | NL80211_DFS_UNSET); | |
6138 | ||
6139 | if (!ar->dfs_detector) | |
7aa7a72a | 6140 | ath10k_warn(ar, "failed to initialise DFS pattern detector\n"); |
9702c686 JD |
6141 | } |
6142 | ||
5e3dd157 KV |
6143 | ret = ath_regd_init(&ar->ath_common.regulatory, ar->hw->wiphy, |
6144 | ath10k_reg_notifier); | |
6145 | if (ret) { | |
7aa7a72a | 6146 | ath10k_err(ar, "failed to initialise regulatory: %i\n", ret); |
d6015b27 | 6147 | goto err_free; |
5e3dd157 KV |
6148 | } |
6149 | ||
3cb10943 JB |
6150 | ar->hw->wiphy->cipher_suites = cipher_suites; |
6151 | ar->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); | |
6152 | ||
5e3dd157 KV |
6153 | ret = ieee80211_register_hw(ar->hw); |
6154 | if (ret) { | |
7aa7a72a | 6155 | ath10k_err(ar, "failed to register ieee80211: %d\n", ret); |
d6015b27 | 6156 | goto err_free; |
5e3dd157 KV |
6157 | } |
6158 | ||
6159 | if (!ath_is_world_regd(&ar->ath_common.regulatory)) { | |
6160 | ret = regulatory_hint(ar->hw->wiphy, | |
6161 | ar->ath_common.regulatory.alpha2); | |
6162 | if (ret) | |
d6015b27 | 6163 | goto err_unregister; |
5e3dd157 KV |
6164 | } |
6165 | ||
6166 | return 0; | |
d6015b27 MK |
6167 | |
6168 | err_unregister: | |
5e3dd157 | 6169 | ieee80211_unregister_hw(ar->hw); |
d6015b27 MK |
6170 | err_free: |
6171 | kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels); | |
6172 | kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels); | |
6173 | ||
5e3dd157 KV |
6174 | return ret; |
6175 | } | |
6176 | ||
6177 | void ath10k_mac_unregister(struct ath10k *ar) | |
6178 | { | |
6179 | ieee80211_unregister_hw(ar->hw); | |
6180 | ||
9702c686 JD |
6181 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) |
6182 | ar->dfs_detector->exit(ar->dfs_detector); | |
6183 | ||
5e3dd157 KV |
6184 | kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels); |
6185 | kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels); | |
6186 | ||
6187 | SET_IEEE80211_DEV(ar->hw, NULL); | |
6188 | } |