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ath10k: remove unused variable hdr in ath10k_htt_rx_h_undecap()
[mirror_ubuntu-artful-kernel.git] / drivers / net / wireless / ath / ath10k / mac.c
CommitLineData
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 30#include "wmi.h"
b4aa539d 31#include "wmi-tlv.h"
d7579d12 32#include "wmi-ops.h"
5fd3ac3c 33#include "wow.h"
5e3dd157 34
dcc33098
MK		 35/*********/
36/* Rates */
37/*********/
38
dcc33098 39static struct ieee80211_rate ath10k_rates[] = {
5528e032
MK		 40 { .bitrate = 10,
41 .hw_value = ATH10K_HW_RATE_CCK_LP_1M },
42 { .bitrate = 20,
43 .hw_value = ATH10K_HW_RATE_CCK_LP_2M,
44 .hw_value_short = ATH10K_HW_RATE_CCK_SP_2M,
45 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
46 { .bitrate = 55,
47 .hw_value = ATH10K_HW_RATE_CCK_LP_5_5M,
48 .hw_value_short = ATH10K_HW_RATE_CCK_SP_5_5M,
49 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
50 { .bitrate = 110,
51 .hw_value = ATH10K_HW_RATE_CCK_LP_11M,
52 .hw_value_short = ATH10K_HW_RATE_CCK_SP_11M,
53 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
af00148f
MK		 54
55 { .bitrate = 60, .hw_value = ATH10K_HW_RATE_OFDM_6M },
56 { .bitrate = 90, .hw_value = ATH10K_HW_RATE_OFDM_9M },
57 { .bitrate = 120, .hw_value = ATH10K_HW_RATE_OFDM_12M },
58 { .bitrate = 180, .hw_value = ATH10K_HW_RATE_OFDM_18M },
59 { .bitrate = 240, .hw_value = ATH10K_HW_RATE_OFDM_24M },
60 { .bitrate = 360, .hw_value = ATH10K_HW_RATE_OFDM_36M },
61 { .bitrate = 480, .hw_value = ATH10K_HW_RATE_OFDM_48M },
62 { .bitrate = 540, .hw_value = ATH10K_HW_RATE_OFDM_54M },
dcc33098
MK		 63};
64
8d7aa6bc
MK		 65#define ATH10K_MAC_FIRST_OFDM_RATE_IDX 4
66
67#define ath10k_a_rates (ath10k_rates + ATH10K_MAC_FIRST_OFDM_RATE_IDX)
68#define ath10k_a_rates_size (ARRAY_SIZE(ath10k_rates) - \
69 ATH10K_MAC_FIRST_OFDM_RATE_IDX)
dcc33098
MK		 70#define ath10k_g_rates (ath10k_rates + 0)
71#define ath10k_g_rates_size (ARRAY_SIZE(ath10k_rates))
72
486017cc
MK		 73static bool ath10k_mac_bitrate_is_cck(int bitrate)
74{
75 switch (bitrate) {
76 case 10:
77 case 20:
78 case 55:
79 case 110:
80 return true;
81 }
82
83 return false;
84}
85
86static u8 ath10k_mac_bitrate_to_rate(int bitrate)
87{
88 return DIV_ROUND_UP(bitrate, 5) |
89 (ath10k_mac_bitrate_is_cck(bitrate) ? BIT(7) : 0);
90}
91
5528e032
MK		 92u8 ath10k_mac_hw_rate_to_idx(const struct ieee80211_supported_band *sband,
93 u8 hw_rate)
94{
95 const struct ieee80211_rate *rate;
96 int i;
97
98 for (i = 0; i < sband->n_bitrates; i++) {
99 rate = &sband->bitrates[i];
100
101 if (rate->hw_value == hw_rate)
102 return i;
103 else if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE &&
104 rate->hw_value_short == hw_rate)
105 return i;
106 }
107
108 return 0;
109}
110
01cebe1c
MK		 111u8 ath10k_mac_bitrate_to_idx(const struct ieee80211_supported_band *sband,
112 u32 bitrate)
113{
114 int i;
115
116 for (i = 0; i < sband->n_bitrates; i++)
117 if (sband->bitrates[i].bitrate == bitrate)
118 return i;
119
120 return 0;
121}
122
3ae54225
MK		 123static int ath10k_mac_get_max_vht_mcs_map(u16 mcs_map, int nss)
124{
125 switch ((mcs_map >> (2 * nss)) & 0x3) {
126 case IEEE80211_VHT_MCS_SUPPORT_0_7: return BIT(8) - 1;
127 case IEEE80211_VHT_MCS_SUPPORT_0_8: return BIT(9) - 1;
128 case IEEE80211_VHT_MCS_SUPPORT_0_9: return BIT(10) - 1;
129 }
130 return 0;
131}
132
45c9abc0
MK		 133static u32
134ath10k_mac_max_ht_nss(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN])
135{
136 int nss;
137
138 for (nss = IEEE80211_HT_MCS_MASK_LEN - 1; nss >= 0; nss--)
139 if (ht_mcs_mask[nss])
140 return nss + 1;
141
142 return 1;
143}
144
145static u32
146ath10k_mac_max_vht_nss(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
147{
148 int nss;
149
150 for (nss = NL80211_VHT_NSS_MAX - 1; nss >= 0; nss--)
151 if (vht_mcs_mask[nss])
152 return nss + 1;
153
154 return 1;
155}
5e3dd157
KV		 156
157/**********/
158/* Crypto */
159/**********/
160
161static int ath10k_send_key(struct ath10k_vif *arvif,
162 struct ieee80211_key_conf *key,
163 enum set_key_cmd cmd,
370e5673 164 const u8 *macaddr, u32 flags)
5e3dd157 165{
7aa7a72a 166 struct ath10k *ar = arvif->ar;
5e3dd157
KV		 167 struct wmi_vdev_install_key_arg arg = {
168 .vdev_id = arvif->vdev_id,
169 .key_idx = key->keyidx,
170 .key_len = key->keylen,
171 .key_data = key->key,
370e5673 172 .key_flags = flags,
5e3dd157
KV		 173 .macaddr = macaddr,
174 };
175
548db54c
MK		 176 lockdep_assert_held(&arvif->ar->conf_mutex);
177
5e3dd157
KV		 178 switch (key->cipher) {
179 case WLAN_CIPHER_SUITE_CCMP:
180 arg.key_cipher = WMI_CIPHER_AES_CCM;
e4e82e9a 181 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT;
5e3dd157
KV		 182 break;
183 case WLAN_CIPHER_SUITE_TKIP:
5e3dd157
KV		 184 arg.key_cipher = WMI_CIPHER_TKIP;
185 arg.key_txmic_len = 8;
186 arg.key_rxmic_len = 8;
187 break;
188 case WLAN_CIPHER_SUITE_WEP40:
189 case WLAN_CIPHER_SUITE_WEP104:
190 arg.key_cipher = WMI_CIPHER_WEP;
5e3dd157 191 break;
3cb10943 192 case WLAN_CIPHER_SUITE_AES_CMAC:
d7131c04
BM		 193 WARN_ON(1);
194 return -EINVAL;
5e3dd157 195 default:
7aa7a72a 196 ath10k_warn(ar, "cipher %d is not supported\n", key->cipher);
5e3dd157
KV		 197 return -EOPNOTSUPP;
198 }
199
200 if (cmd == DISABLE_KEY) {
201 arg.key_cipher = WMI_CIPHER_NONE;
202 arg.key_data = NULL;
203 }
204
205 return ath10k_wmi_vdev_install_key(arvif->ar, &arg);
206}
207
208static int ath10k_install_key(struct ath10k_vif *arvif,
209 struct ieee80211_key_conf *key,
210 enum set_key_cmd cmd,
370e5673 211 const u8 *macaddr, u32 flags)
5e3dd157
KV		 212{
213 struct ath10k *ar = arvif->ar;
214 int ret;
8e9904f5 215 unsigned long time_left;
5e3dd157 216
548db54c
MK		 217 lockdep_assert_held(&ar->conf_mutex);
218
16735d02 219 reinit_completion(&ar->install_key_done);
5e3dd157 220
370e5673 221 ret = ath10k_send_key(arvif, key, cmd, macaddr, flags);
5e3dd157
KV		 222 if (ret)
223 return ret;
224
8e9904f5
NMG		 225 time_left = wait_for_completion_timeout(&ar->install_key_done, 3 * HZ);
226 if (time_left == 0)
5e3dd157
KV		 227 return -ETIMEDOUT;
228
229 return 0;
230}
231
232static int ath10k_install_peer_wep_keys(struct ath10k_vif *arvif,
233 const u8 *addr)
234{
235 struct ath10k *ar = arvif->ar;
236 struct ath10k_peer *peer;
237 int ret;
238 int i;
370e5673 239 u32 flags;
5e3dd157
KV		 240
241 lockdep_assert_held(&ar->conf_mutex);
242
243 spin_lock_bh(&ar->data_lock);
244 peer = ath10k_peer_find(ar, arvif->vdev_id, addr);
245 spin_unlock_bh(&ar->data_lock);
246
247 if (!peer)
248 return -ENOENT;
249
250 for (i = 0; i < ARRAY_SIZE(arvif->wep_keys); i++) {
251 if (arvif->wep_keys[i] == NULL)
252 continue;
370e5673
MK		 253
254 flags = 0;
255 flags |= WMI_KEY_PAIRWISE;
256
ce90b271
MK		 257 ret = ath10k_install_key(arvif, arvif->wep_keys[i], SET_KEY,
258 addr, flags);
259 if (ret)
260 return ret;
261
262 flags = 0;
263 flags |= WMI_KEY_GROUP;
5e3dd157
KV		 264
265 ret = ath10k_install_key(arvif, arvif->wep_keys[i], SET_KEY,
370e5673 266 addr, flags);
5e3dd157
KV		 267 if (ret)
268 return ret;
269
ae167131 270 spin_lock_bh(&ar->data_lock);
5e3dd157 271 peer->keys[i] = arvif->wep_keys[i];
ae167131 272 spin_unlock_bh(&ar->data_lock);
5e3dd157
KV		 273 }
274
ce90b271
MK		 275 /* In some cases (notably with static WEP IBSS with multiple keys)
276 * multicast Tx becomes broken. Both pairwise and groupwise keys are
277 * installed already. Using WMI_KEY_TX_USAGE in different combinations
278 * didn't seem help. Using def_keyid vdev parameter seems to be
279 * effective so use that.
280 *
281 * FIXME: Revisit. Perhaps this can be done in a less hacky way.
282 */
283 if (arvif->def_wep_key_idx == -1)
284 return 0;
285
286 ret = ath10k_wmi_vdev_set_param(arvif->ar,
287 arvif->vdev_id,
288 arvif->ar->wmi.vdev_param->def_keyid,
289 arvif->def_wep_key_idx);
290 if (ret) {
291 ath10k_warn(ar, "failed to re-set def wpa key idxon vdev %i: %d\n",
292 arvif->vdev_id, ret);
293 return ret;
294 }
295
5e3dd157
KV		 296 return 0;
297}
298
299static int ath10k_clear_peer_keys(struct ath10k_vif *arvif,
300 const u8 *addr)
301{
302 struct ath10k *ar = arvif->ar;
303 struct ath10k_peer *peer;
304 int first_errno = 0;
305 int ret;
306 int i;
370e5673 307 u32 flags = 0;
5e3dd157
KV		 308
309 lockdep_assert_held(&ar->conf_mutex);
310
311 spin_lock_bh(&ar->data_lock);
312 peer = ath10k_peer_find(ar, arvif->vdev_id, addr);
313 spin_unlock_bh(&ar->data_lock);
314
315 if (!peer)
316 return -ENOENT;
317
318 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
319 if (peer->keys[i] == NULL)
320 continue;
321
627613f8 322 /* key flags are not required to delete the key */
5e3dd157 323 ret = ath10k_install_key(arvif, peer->keys[i],
370e5673 324 DISABLE_KEY, addr, flags);
5e3dd157
KV		 325 if (ret && first_errno == 0)
326 first_errno = ret;
327
328 if (ret)
7aa7a72a 329 ath10k_warn(ar, "failed to remove peer wep key %d: %d\n",
5e3dd157
KV		 330 i, ret);
331
ae167131 332 spin_lock_bh(&ar->data_lock);
5e3dd157 333 peer->keys[i] = NULL;
ae167131 334 spin_unlock_bh(&ar->data_lock);
5e3dd157
KV		 335 }
336
337 return first_errno;
338}
339
504f6cdf
SM		 340bool ath10k_mac_is_peer_wep_key_set(struct ath10k *ar, const u8 *addr,
341 u8 keyidx)
342{
343 struct ath10k_peer *peer;
344 int i;
345
346 lockdep_assert_held(&ar->data_lock);
347
348 /* We don't know which vdev this peer belongs to,
349 * since WMI doesn't give us that information.
350 *
351 * FIXME: multi-bss needs to be handled.
352 */
353 peer = ath10k_peer_find(ar, 0, addr);
354 if (!peer)
355 return false;
356
357 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
358 if (peer->keys[i] && peer->keys[i]->keyidx == keyidx)
359 return true;
360 }
361
362 return false;
363}
364
5e3dd157
KV		 365static int ath10k_clear_vdev_key(struct ath10k_vif *arvif,
366 struct ieee80211_key_conf *key)
367{
368 struct ath10k *ar = arvif->ar;
369 struct ath10k_peer *peer;
370 u8 addr[ETH_ALEN];
371 int first_errno = 0;
372 int ret;
373 int i;
370e5673 374 u32 flags = 0;
5e3dd157
KV		 375
376 lockdep_assert_held(&ar->conf_mutex);
377
378 for (;;) {
379 /* since ath10k_install_key we can't hold data_lock all the
380 * time, so we try to remove the keys incrementally */
381 spin_lock_bh(&ar->data_lock);
382 i = 0;
383 list_for_each_entry(peer, &ar->peers, list) {
384 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
385 if (peer->keys[i] == key) {
b25f32cb 386 ether_addr_copy(addr, peer->addr);
5e3dd157
KV		 387 peer->keys[i] = NULL;
388 break;
389 }
390 }
391
392 if (i < ARRAY_SIZE(peer->keys))
393 break;
394 }
395 spin_unlock_bh(&ar->data_lock);
396
397 if (i == ARRAY_SIZE(peer->keys))
398 break;
627613f8 399 /* key flags are not required to delete the key */
370e5673 400 ret = ath10k_install_key(arvif, key, DISABLE_KEY, addr, flags);
5e3dd157
KV		 401 if (ret && first_errno == 0)
402 first_errno = ret;
403
404 if (ret)
7aa7a72a 405 ath10k_warn(ar, "failed to remove key for %pM: %d\n",
be6546fc 406 addr, ret);
5e3dd157
KV		 407 }
408
409 return first_errno;
410}
411
ad325cb5
MK		 412static int ath10k_mac_vif_update_wep_key(struct ath10k_vif *arvif,
413 struct ieee80211_key_conf *key)
414{
415 struct ath10k *ar = arvif->ar;
416 struct ath10k_peer *peer;
417 int ret;
418
419 lockdep_assert_held(&ar->conf_mutex);
420
421 list_for_each_entry(peer, &ar->peers, list) {
422 if (!memcmp(peer->addr, arvif->vif->addr, ETH_ALEN))
423 continue;
424
425 if (!memcmp(peer->addr, arvif->bssid, ETH_ALEN))
426 continue;
427
428 if (peer->keys[key->keyidx] == key)
429 continue;
430
431 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vif vdev %i update key %i needs update\n",
432 arvif->vdev_id, key->keyidx);
433
434 ret = ath10k_install_peer_wep_keys(arvif, peer->addr);
435 if (ret) {
436 ath10k_warn(ar, "failed to update wep keys on vdev %i for peer %pM: %d\n",
437 arvif->vdev_id, peer->addr, ret);
438 return ret;
439 }
440 }
441
442 return 0;
443}
444
5e3dd157
KV		 445/*********************/
446/* General utilities */
447/*********************/
448
449static inline enum wmi_phy_mode
450chan_to_phymode(const struct cfg80211_chan_def *chandef)
451{
452 enum wmi_phy_mode phymode = MODE_UNKNOWN;
453
454 switch (chandef->chan->band) {
455 case IEEE80211_BAND_2GHZ:
456 switch (chandef->width) {
457 case NL80211_CHAN_WIDTH_20_NOHT:
6faab127
PO		 458 if (chandef->chan->flags & IEEE80211_CHAN_NO_OFDM)
459 phymode = MODE_11B;
460 else
461 phymode = MODE_11G;
5e3dd157
KV		 462 break;
463 case NL80211_CHAN_WIDTH_20:
464 phymode = MODE_11NG_HT20;
465 break;
466 case NL80211_CHAN_WIDTH_40:
467 phymode = MODE_11NG_HT40;
468 break;
0f817ed5
JL		 469 case NL80211_CHAN_WIDTH_5:
470 case NL80211_CHAN_WIDTH_10:
5e3dd157
KV		 471 case NL80211_CHAN_WIDTH_80:
472 case NL80211_CHAN_WIDTH_80P80:
473 case NL80211_CHAN_WIDTH_160:
474 phymode = MODE_UNKNOWN;
475 break;
476 }
477 break;
478 case IEEE80211_BAND_5GHZ:
479 switch (chandef->width) {
480 case NL80211_CHAN_WIDTH_20_NOHT:
481 phymode = MODE_11A;
482 break;
483 case NL80211_CHAN_WIDTH_20:
484 phymode = MODE_11NA_HT20;
485 break;
486 case NL80211_CHAN_WIDTH_40:
487 phymode = MODE_11NA_HT40;
488 break;
489 case NL80211_CHAN_WIDTH_80:
490 phymode = MODE_11AC_VHT80;
491 break;
0f817ed5
JL		 492 case NL80211_CHAN_WIDTH_5:
493 case NL80211_CHAN_WIDTH_10:
5e3dd157
KV		 494 case NL80211_CHAN_WIDTH_80P80:
495 case NL80211_CHAN_WIDTH_160:
496 phymode = MODE_UNKNOWN;
497 break;
498 }
499 break;
500 default:
501 break;
502 }
503
504 WARN_ON(phymode == MODE_UNKNOWN);
505 return phymode;
506}
507
508static u8 ath10k_parse_mpdudensity(u8 mpdudensity)
509{
510/*
511 * 802.11n D2.0 defined values for "Minimum MPDU Start Spacing":
512 * 0 for no restriction
513 * 1 for 1/4 us
514 * 2 for 1/2 us
515 * 3 for 1 us
516 * 4 for 2 us
517 * 5 for 4 us
518 * 6 for 8 us
519 * 7 for 16 us
520 */
521 switch (mpdudensity) {
522 case 0:
523 return 0;
524 case 1:
525 case 2:
526 case 3:
527 /* Our lower layer calculations limit our precision to
528 1 microsecond */
529 return 1;
530 case 4:
531 return 2;
532 case 5:
533 return 4;
534 case 6:
535 return 8;
536 case 7:
537 return 16;
538 default:
539 return 0;
540 }
541}
542
500ff9f9
MK		 543int ath10k_mac_vif_chan(struct ieee80211_vif *vif,
544 struct cfg80211_chan_def *def)
545{
546 struct ieee80211_chanctx_conf *conf;
547
548 rcu_read_lock();
549 conf = rcu_dereference(vif->chanctx_conf);
550 if (!conf) {
551 rcu_read_unlock();
552 return -ENOENT;
553 }
554
555 *def = conf->def;
556 rcu_read_unlock();
557
558 return 0;
559}
560
561static void ath10k_mac_num_chanctxs_iter(struct ieee80211_hw *hw,
562 struct ieee80211_chanctx_conf *conf,
563 void *data)
564{
565 int *num = data;
566
567 (*num)++;
568}
569
570static int ath10k_mac_num_chanctxs(struct ath10k *ar)
571{
572 int num = 0;
573
574 ieee80211_iter_chan_contexts_atomic(ar->hw,
575 ath10k_mac_num_chanctxs_iter,
576 &num);
577
578 return num;
579}
580
581static void
582ath10k_mac_get_any_chandef_iter(struct ieee80211_hw *hw,
583 struct ieee80211_chanctx_conf *conf,
584 void *data)
585{
586 struct cfg80211_chan_def **def = data;
587
588 *def = &conf->def;
589}
590
7390ed34
MP		 591static int ath10k_peer_create(struct ath10k *ar, u32 vdev_id, const u8 *addr,
592 enum wmi_peer_type peer_type)
5e3dd157
KV		 593{
594 int ret;
595
596 lockdep_assert_held(&ar->conf_mutex);
597
cfd1061e
MK		 598 if (ar->num_peers >= ar->max_num_peers)
599 return -ENOBUFS;
600
7390ed34 601 ret = ath10k_wmi_peer_create(ar, vdev_id, addr, peer_type);
479398b0 602 if (ret) {
7aa7a72a 603 ath10k_warn(ar, "failed to create wmi peer %pM on vdev %i: %i\n",
69244e56 604 addr, vdev_id, ret);
5e3dd157 605 return ret;
479398b0 606 }
5e3dd157
KV		 607
608 ret = ath10k_wait_for_peer_created(ar, vdev_id, addr);
479398b0 609 if (ret) {
7aa7a72a 610 ath10k_warn(ar, "failed to wait for created wmi peer %pM on vdev %i: %i\n",
69244e56 611 addr, vdev_id, ret);
5e3dd157 612 return ret;
479398b0 613 }
292a753d 614
0e759f36 615 ar->num_peers++;
5e3dd157
KV		 616
617 return 0;
618}
619
5a13e76e
KV		 620static int ath10k_mac_set_kickout(struct ath10k_vif *arvif)
621{
622 struct ath10k *ar = arvif->ar;
623 u32 param;
624 int ret;
625
626 param = ar->wmi.pdev_param->sta_kickout_th;
627 ret = ath10k_wmi_pdev_set_param(ar, param,
628 ATH10K_KICKOUT_THRESHOLD);
629 if (ret) {
7aa7a72a 630 ath10k_warn(ar, "failed to set kickout threshold on vdev %i: %d\n",
69244e56 631 arvif->vdev_id, ret);
5a13e76e
KV		 632 return ret;
633 }
634
635 param = ar->wmi.vdev_param->ap_keepalive_min_idle_inactive_time_secs;
636 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
637 ATH10K_KEEPALIVE_MIN_IDLE);
638 if (ret) {
7aa7a72a 639 ath10k_warn(ar, "failed to set keepalive minimum idle time on vdev %i: %d\n",
69244e56 640 arvif->vdev_id, ret);
5a13e76e
KV		 641 return ret;
642 }
643
644 param = ar->wmi.vdev_param->ap_keepalive_max_idle_inactive_time_secs;
645 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
646 ATH10K_KEEPALIVE_MAX_IDLE);
647 if (ret) {
7aa7a72a 648 ath10k_warn(ar, "failed to set keepalive maximum idle time on vdev %i: %d\n",
69244e56 649 arvif->vdev_id, ret);
5a13e76e
KV		 650 return ret;
651 }
652
653 param = ar->wmi.vdev_param->ap_keepalive_max_unresponsive_time_secs;
654 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
655 ATH10K_KEEPALIVE_MAX_UNRESPONSIVE);
656 if (ret) {
7aa7a72a 657 ath10k_warn(ar, "failed to set keepalive maximum unresponsive time on vdev %i: %d\n",
69244e56 658 arvif->vdev_id, ret);
5a13e76e
KV		 659 return ret;
660 }
661
662 return 0;
663}
664
acab6400 665static int ath10k_mac_set_rts(struct ath10k_vif *arvif, u32 value)
424121c3 666{
6d1506e7
BM		 667 struct ath10k *ar = arvif->ar;
668 u32 vdev_param;
669
6d1506e7
BM		 670 vdev_param = ar->wmi.vdev_param->rts_threshold;
671 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, value);
424121c3
MK		 672}
673
674static int ath10k_mac_set_frag(struct ath10k_vif *arvif, u32 value)
675{
6d1506e7
BM		 676 struct ath10k *ar = arvif->ar;
677 u32 vdev_param;
678
424121c3
MK		 679 if (value != 0xFFFFFFFF)
680 value = clamp_t(u32, arvif->ar->hw->wiphy->frag_threshold,
681 ATH10K_FRAGMT_THRESHOLD_MIN,
682 ATH10K_FRAGMT_THRESHOLD_MAX);
683
6d1506e7
BM		 684 vdev_param = ar->wmi.vdev_param->fragmentation_threshold;
685 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, value);
424121c3
MK		 686}
687
5e3dd157
KV		 688static int ath10k_peer_delete(struct ath10k *ar, u32 vdev_id, const u8 *addr)
689{
690 int ret;
691
692 lockdep_assert_held(&ar->conf_mutex);
693
694 ret = ath10k_wmi_peer_delete(ar, vdev_id, addr);
695 if (ret)
696 return ret;
697
698 ret = ath10k_wait_for_peer_deleted(ar, vdev_id, addr);
699 if (ret)
700 return ret;
701
0e759f36 702 ar->num_peers--;
0e759f36 703
5e3dd157
KV		 704 return 0;
705}
706
707static void ath10k_peer_cleanup(struct ath10k *ar, u32 vdev_id)
708{
709 struct ath10k_peer *peer, *tmp;
710
711 lockdep_assert_held(&ar->conf_mutex);
712
713 spin_lock_bh(&ar->data_lock);
714 list_for_each_entry_safe(peer, tmp, &ar->peers, list) {
715 if (peer->vdev_id != vdev_id)
716 continue;
717
7aa7a72a 718 ath10k_warn(ar, "removing stale peer %pM from vdev_id %d\n",
5e3dd157
KV		 719 peer->addr, vdev_id);
720
721 list_del(&peer->list);
722 kfree(peer);
0e759f36 723 ar->num_peers--;
5e3dd157
KV		 724 }
725 spin_unlock_bh(&ar->data_lock);
726}
727
a96d7745
MK		 728static void ath10k_peer_cleanup_all(struct ath10k *ar)
729{
730 struct ath10k_peer *peer, *tmp;
731
732 lockdep_assert_held(&ar->conf_mutex);
733
734 spin_lock_bh(&ar->data_lock);
735 list_for_each_entry_safe(peer, tmp, &ar->peers, list) {
736 list_del(&peer->list);
737 kfree(peer);
738 }
739 spin_unlock_bh(&ar->data_lock);
292a753d
MK		 740
741 ar->num_peers = 0;
cfd1061e 742 ar->num_stations = 0;
a96d7745
MK		 743}
744
75d85fd9
MP		 745static int ath10k_mac_tdls_peer_update(struct ath10k *ar, u32 vdev_id,
746 struct ieee80211_sta *sta,
747 enum wmi_tdls_peer_state state)
748{
749 int ret;
750 struct wmi_tdls_peer_update_cmd_arg arg = {};
751 struct wmi_tdls_peer_capab_arg cap = {};
752 struct wmi_channel_arg chan_arg = {};
753
754 lockdep_assert_held(&ar->conf_mutex);
755
756 arg.vdev_id = vdev_id;
757 arg.peer_state = state;
758 ether_addr_copy(arg.addr, sta->addr);
759
760 cap.peer_max_sp = sta->max_sp;
761 cap.peer_uapsd_queues = sta->uapsd_queues;
762
763 if (state == WMI_TDLS_PEER_STATE_CONNECTED &&
764 !sta->tdls_initiator)
765 cap.is_peer_responder = 1;
766
767 ret = ath10k_wmi_tdls_peer_update(ar, &arg, &cap, &chan_arg);
768 if (ret) {
769 ath10k_warn(ar, "failed to update tdls peer %pM on vdev %i: %i\n",
770 arg.addr, vdev_id, ret);
771 return ret;
772 }
773
774 return 0;
775}
776
5e3dd157
KV		 777/************************/
778/* Interface management */
779/************************/
780
64badcb6
MK		 781void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif)
782{
783 struct ath10k *ar = arvif->ar;
784
785 lockdep_assert_held(&ar->data_lock);
786
787 if (!arvif->beacon)
788 return;
789
790 if (!arvif->beacon_buf)
791 dma_unmap_single(ar->dev, ATH10K_SKB_CB(arvif->beacon)->paddr,
792 arvif->beacon->len, DMA_TO_DEVICE);
793
af21319f
MK		 794 if (WARN_ON(arvif->beacon_state != ATH10K_BEACON_SCHEDULED &&
795 arvif->beacon_state != ATH10K_BEACON_SENT))
796 return;
797
64badcb6
MK		 798 dev_kfree_skb_any(arvif->beacon);
799
800 arvif->beacon = NULL;
af21319f 801 arvif->beacon_state = ATH10K_BEACON_SCHEDULED;
64badcb6
MK		 802}
803
804static void ath10k_mac_vif_beacon_cleanup(struct ath10k_vif *arvif)
805{
806 struct ath10k *ar = arvif->ar;
807
808 lockdep_assert_held(&ar->data_lock);
809
810 ath10k_mac_vif_beacon_free(arvif);
811
812 if (arvif->beacon_buf) {
813 dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN,
814 arvif->beacon_buf, arvif->beacon_paddr);
815 arvif->beacon_buf = NULL;
816 }
817}
818
5e3dd157
KV		 819static inline int ath10k_vdev_setup_sync(struct ath10k *ar)
820{
8e9904f5 821 unsigned long time_left;
5e3dd157 822
548db54c
MK		 823 lockdep_assert_held(&ar->conf_mutex);
824
7962b0d8
MK		 825 if (test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags))
826 return -ESHUTDOWN;
827
8e9904f5
NMG		 828 time_left = wait_for_completion_timeout(&ar->vdev_setup_done,
829 ATH10K_VDEV_SETUP_TIMEOUT_HZ);
830 if (time_left == 0)
5e3dd157
KV		 831 return -ETIMEDOUT;
832
833 return 0;
834}
835
1bbc0975 836static int ath10k_monitor_vdev_start(struct ath10k *ar, int vdev_id)
5e3dd157 837{
500ff9f9 838 struct cfg80211_chan_def *chandef = NULL;
c930f744 839 struct ieee80211_channel *channel = chandef->chan;
5e3dd157 840 struct wmi_vdev_start_request_arg arg = {};
5e3dd157
KV		 841 int ret = 0;
842
843 lockdep_assert_held(&ar->conf_mutex);
844
500ff9f9
MK		 845 ieee80211_iter_chan_contexts_atomic(ar->hw,
846 ath10k_mac_get_any_chandef_iter,
847 &chandef);
848 if (WARN_ON_ONCE(!chandef))
849 return -ENOENT;
850
851 channel = chandef->chan;
852
5e3dd157
KV		 853 arg.vdev_id = vdev_id;
854 arg.channel.freq = channel->center_freq;
c930f744 855 arg.channel.band_center_freq1 = chandef->center_freq1;
5e3dd157
KV		 856
857 /* TODO setup this dynamically, what in case we
858 don't have any vifs? */
c930f744 859 arg.channel.mode = chan_to_phymode(chandef);
e8a50f8b
MP		 860 arg.channel.chan_radar =
861 !!(channel->flags & IEEE80211_CHAN_RADAR);
5e3dd157 862
89c5c843 863 arg.channel.min_power = 0;
02256930
MK		 864 arg.channel.max_power = channel->max_power * 2;
865 arg.channel.max_reg_power = channel->max_reg_power * 2;
866 arg.channel.max_antenna_gain = channel->max_antenna_gain * 2;
5e3dd157 867
7962b0d8
MK		 868 reinit_completion(&ar->vdev_setup_done);
869
5e3dd157
KV		 870 ret = ath10k_wmi_vdev_start(ar, &arg);
871 if (ret) {
7aa7a72a 872 ath10k_warn(ar, "failed to request monitor vdev %i start: %d\n",
69244e56 873 vdev_id, ret);
5e3dd157
KV		 874 return ret;
875 }
876
877 ret = ath10k_vdev_setup_sync(ar);
878 if (ret) {
60028a81 879 ath10k_warn(ar, "failed to synchronize setup for monitor vdev %i start: %d\n",
69244e56 880 vdev_id, ret);
5e3dd157
KV		 881 return ret;
882 }
883
884 ret = ath10k_wmi_vdev_up(ar, vdev_id, 0, ar->mac_addr);
885 if (ret) {
7aa7a72a 886 ath10k_warn(ar, "failed to put up monitor vdev %i: %d\n",
69244e56 887 vdev_id, ret);
5e3dd157
KV		 888 goto vdev_stop;
889 }
890
891 ar->monitor_vdev_id = vdev_id;
5e3dd157 892
7aa7a72a 893 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i started\n",
1bbc0975 894 ar->monitor_vdev_id);
5e3dd157
KV		 895 return 0;
896
897vdev_stop:
898 ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id);
899 if (ret)
7aa7a72a 900 ath10k_warn(ar, "failed to stop monitor vdev %i after start failure: %d\n",
69244e56 901 ar->monitor_vdev_id, ret);
5e3dd157
KV		 902
903 return ret;
904}
905
1bbc0975 906static int ath10k_monitor_vdev_stop(struct ath10k *ar)
5e3dd157
KV		 907{
908 int ret = 0;
909
910 lockdep_assert_held(&ar->conf_mutex);
911
52fa0191
MP		 912 ret = ath10k_wmi_vdev_down(ar, ar->monitor_vdev_id);
913 if (ret)
7aa7a72a 914 ath10k_warn(ar, "failed to put down monitor vdev %i: %d\n",
69244e56 915 ar->monitor_vdev_id, ret);
5e3dd157 916
7962b0d8
MK		 917 reinit_completion(&ar->vdev_setup_done);
918
5e3dd157
KV		 919 ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id);
920 if (ret)
7aa7a72a 921 ath10k_warn(ar, "failed to to request monitor vdev %i stop: %d\n",
69244e56 922 ar->monitor_vdev_id, ret);
5e3dd157
KV		 923
924 ret = ath10k_vdev_setup_sync(ar);
925 if (ret)
60028a81 926 ath10k_warn(ar, "failed to synchronize monitor vdev %i stop: %d\n",
69244e56 927 ar->monitor_vdev_id, ret);
5e3dd157 928
7aa7a72a 929 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i stopped\n",
1bbc0975 930 ar->monitor_vdev_id);
5e3dd157
KV		 931 return ret;
932}
933
1bbc0975 934static int ath10k_monitor_vdev_create(struct ath10k *ar)
5e3dd157
KV		 935{
936 int bit, ret = 0;
937
938 lockdep_assert_held(&ar->conf_mutex);
939
a9aefb3b 940 if (ar->free_vdev_map == 0) {
7aa7a72a 941 ath10k_warn(ar, "failed to find free vdev id for monitor vdev\n");
5e3dd157
KV		 942 return -ENOMEM;
943 }
944
16c11176 945 bit = __ffs64(ar->free_vdev_map);
a9aefb3b 946
16c11176 947 ar->monitor_vdev_id = bit;
5e3dd157
KV		 948
949 ret = ath10k_wmi_vdev_create(ar, ar->monitor_vdev_id,
950 WMI_VDEV_TYPE_MONITOR,
951 0, ar->mac_addr);
952 if (ret) {
7aa7a72a 953 ath10k_warn(ar, "failed to request monitor vdev %i creation: %d\n",
69244e56 954 ar->monitor_vdev_id, ret);
a9aefb3b 955 return ret;
5e3dd157
KV		 956 }
957
16c11176 958 ar->free_vdev_map &= ~(1LL << ar->monitor_vdev_id);
7aa7a72a 959 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d created\n",
5e3dd157
KV		 960 ar->monitor_vdev_id);
961
5e3dd157 962 return 0;
5e3dd157
KV		 963}
964
1bbc0975 965static int ath10k_monitor_vdev_delete(struct ath10k *ar)
5e3dd157
KV		 966{
967 int ret = 0;
968
969 lockdep_assert_held(&ar->conf_mutex);
970
5e3dd157
KV		 971 ret = ath10k_wmi_vdev_delete(ar, ar->monitor_vdev_id);
972 if (ret) {
7aa7a72a 973 ath10k_warn(ar, "failed to request wmi monitor vdev %i removal: %d\n",
69244e56 974 ar->monitor_vdev_id, ret);
5e3dd157
KV		 975 return ret;
976 }
977
16c11176 978 ar->free_vdev_map |= 1LL << ar->monitor_vdev_id;
5e3dd157 979
7aa7a72a 980 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d deleted\n",
5e3dd157
KV		 981 ar->monitor_vdev_id);
982 return ret;
983}
984
1bbc0975
MK		 985static int ath10k_monitor_start(struct ath10k *ar)
986{
987 int ret;
988
989 lockdep_assert_held(&ar->conf_mutex);
990
1bbc0975
MK		 991 ret = ath10k_monitor_vdev_create(ar);
992 if (ret) {
7aa7a72a 993 ath10k_warn(ar, "failed to create monitor vdev: %d\n", ret);
1bbc0975
MK		 994 return ret;
995 }
996
997 ret = ath10k_monitor_vdev_start(ar, ar->monitor_vdev_id);
998 if (ret) {
7aa7a72a 999 ath10k_warn(ar, "failed to start monitor vdev: %d\n", ret);
1bbc0975
MK		 1000 ath10k_monitor_vdev_delete(ar);
1001 return ret;
1002 }
1003
1004 ar->monitor_started = true;
7aa7a72a 1005 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor started\n");
1bbc0975
MK		 1006
1007 return 0;
1008}
1009
1933747f 1010static int ath10k_monitor_stop(struct ath10k *ar)
1bbc0975
MK		 1011{
1012 int ret;
1013
1014 lockdep_assert_held(&ar->conf_mutex);
1015
1bbc0975 1016 ret = ath10k_monitor_vdev_stop(ar);
1933747f 1017 if (ret) {
7aa7a72a 1018 ath10k_warn(ar, "failed to stop monitor vdev: %d\n", ret);
1933747f
MK		 1019 return ret;
1020 }
1bbc0975
MK		 1021
1022 ret = ath10k_monitor_vdev_delete(ar);
1933747f 1023 if (ret) {
7aa7a72a 1024 ath10k_warn(ar, "failed to delete monitor vdev: %d\n", ret);
1933747f
MK		 1025 return ret;
1026 }
1bbc0975
MK		 1027
1028 ar->monitor_started = false;
7aa7a72a 1029 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopped\n");
1933747f
MK		 1030
1031 return 0;
1032}
1033
500ff9f9
MK		 1034static bool ath10k_mac_monitor_vdev_is_needed(struct ath10k *ar)
1035{
1036 int num_ctx;
1037
1038 /* At least one chanctx is required to derive a channel to start
1039 * monitor vdev on.
1040 */
1041 num_ctx = ath10k_mac_num_chanctxs(ar);
1042 if (num_ctx == 0)
1043 return false;
1044
1045 /* If there's already an existing special monitor interface then don't
1046 * bother creating another monitor vdev.
1047 */
1048 if (ar->monitor_arvif)
1049 return false;
1050
1051 return ar->monitor ||
500ff9f9
MK		 1052 test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1053}
1054
1055static bool ath10k_mac_monitor_vdev_is_allowed(struct ath10k *ar)
1056{
1057 int num_ctx;
1058
1059 num_ctx = ath10k_mac_num_chanctxs(ar);
1060
1061 /* FIXME: Current interface combinations and cfg80211/mac80211 code
1062 * shouldn't allow this but make sure to prevent handling the following
1063 * case anyway since multi-channel DFS hasn't been tested at all.
1064 */
1065 if (test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags) && num_ctx > 1)
1066 return false;
1067
1068 return true;
1069}
1070
1933747f
MK		 1071static int ath10k_monitor_recalc(struct ath10k *ar)
1072{
500ff9f9
MK		 1073 bool needed;
1074 bool allowed;
1075 int ret;
1933747f
MK		 1076
1077 lockdep_assert_held(&ar->conf_mutex);
1078
500ff9f9
MK		 1079 needed = ath10k_mac_monitor_vdev_is_needed(ar);
1080 allowed = ath10k_mac_monitor_vdev_is_allowed(ar);
1933747f
MK		 1081
1082 ath10k_dbg(ar, ATH10K_DBG_MAC,
500ff9f9
MK		 1083 "mac monitor recalc started? %d needed? %d allowed? %d\n",
1084 ar->monitor_started, needed, allowed);
1933747f 1085
500ff9f9
MK		 1086 if (WARN_ON(needed && !allowed)) {
1087 if (ar->monitor_started) {
1088 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopping disallowed monitor\n");
1089
1090 ret = ath10k_monitor_stop(ar);
1091 if (ret)
1092 ath10k_warn(ar, "failed to stop disallowed monitor: %d\n", ret);
1093 /* not serious */
1094 }
1933747f 1095
500ff9f9
MK		 1096 return -EPERM;
1097 }
1933747f 1098
500ff9f9 1099 if (needed == ar->monitor_started)
1933747f
MK		 1100 return 0;
1101
500ff9f9 1102 if (needed)
1933747f 1103 return ath10k_monitor_start(ar);
500ff9f9
MK		 1104 else
1105 return ath10k_monitor_stop(ar);
1bbc0975
MK		 1106}
1107
e81bd104
MK		 1108static int ath10k_recalc_rtscts_prot(struct ath10k_vif *arvif)
1109{
1110 struct ath10k *ar = arvif->ar;
1111 u32 vdev_param, rts_cts = 0;
1112
1113 lockdep_assert_held(&ar->conf_mutex);
1114
1115 vdev_param = ar->wmi.vdev_param->enable_rtscts;
1116
9a5ab0f4 1117 rts_cts |= SM(WMI_RTSCTS_ENABLED, WMI_RTSCTS_SET);
e81bd104
MK		 1118
1119 if (arvif->num_legacy_stations > 0)
1120 rts_cts |= SM(WMI_RTSCTS_ACROSS_SW_RETRIES,
1121 WMI_RTSCTS_PROFILE);
9a5ab0f4
RM		 1122 else
1123 rts_cts |= SM(WMI_RTSCTS_FOR_SECOND_RATESERIES,
1124 WMI_RTSCTS_PROFILE);
e81bd104
MK		 1125
1126 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
1127 rts_cts);
1128}
1129
e8a50f8b
MP		 1130static int ath10k_start_cac(struct ath10k *ar)
1131{
1132 int ret;
1133
1134 lockdep_assert_held(&ar->conf_mutex);
1135
1136 set_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1137
1933747f 1138 ret = ath10k_monitor_recalc(ar);
e8a50f8b 1139 if (ret) {
7aa7a72a 1140 ath10k_warn(ar, "failed to start monitor (cac): %d\n", ret);
e8a50f8b
MP		 1141 clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1142 return ret;
1143 }
1144
7aa7a72a 1145 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac start monitor vdev %d\n",
e8a50f8b
MP		 1146 ar->monitor_vdev_id);
1147
1148 return 0;
1149}
1150
1151static int ath10k_stop_cac(struct ath10k *ar)
1152{
1153 lockdep_assert_held(&ar->conf_mutex);
1154
1155 /* CAC is not running - do nothing */
1156 if (!test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags))
1157 return 0;
1158
e8a50f8b 1159 clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1bbc0975 1160 ath10k_monitor_stop(ar);
e8a50f8b 1161
7aa7a72a 1162 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac finished\n");
e8a50f8b
MP		 1163
1164 return 0;
1165}
1166
500ff9f9
MK		 1167static void ath10k_mac_has_radar_iter(struct ieee80211_hw *hw,
1168 struct ieee80211_chanctx_conf *conf,
1169 void *data)
1170{
1171 bool *ret = data;
1172
1173 if (!*ret && conf->radar_enabled)
1174 *ret = true;
1175}
1176
1177static bool ath10k_mac_has_radar_enabled(struct ath10k *ar)
1178{
1179 bool has_radar = false;
1180
1181 ieee80211_iter_chan_contexts_atomic(ar->hw,
1182 ath10k_mac_has_radar_iter,
1183 &has_radar);
1184
1185 return has_radar;
1186}
1187
d650097b 1188static void ath10k_recalc_radar_detection(struct ath10k *ar)
e8a50f8b 1189{
e8a50f8b
MP		 1190 int ret;
1191
1192 lockdep_assert_held(&ar->conf_mutex);
1193
e8a50f8b
MP		 1194 ath10k_stop_cac(ar);
1195
500ff9f9 1196 if (!ath10k_mac_has_radar_enabled(ar))
e8a50f8b
MP		 1197 return;
1198
d650097b 1199 if (ar->num_started_vdevs > 0)
e8a50f8b
MP		 1200 return;
1201
1202 ret = ath10k_start_cac(ar);
1203 if (ret) {
1204 /*
1205 * Not possible to start CAC on current channel so starting
1206 * radiation is not allowed, make this channel DFS_UNAVAILABLE
1207 * by indicating that radar was detected.
1208 */
7aa7a72a 1209 ath10k_warn(ar, "failed to start CAC: %d\n", ret);
e8a50f8b
MP		 1210 ieee80211_radar_detected(ar->hw);
1211 }
1212}
1213
822b7e0b
VT		 1214static int ath10k_vdev_stop(struct ath10k_vif *arvif)
1215{
1216 struct ath10k *ar = arvif->ar;
1217 int ret;
1218
1219 lockdep_assert_held(&ar->conf_mutex);
1220
1221 reinit_completion(&ar->vdev_setup_done);
1222
1223 ret = ath10k_wmi_vdev_stop(ar, arvif->vdev_id);
1224 if (ret) {
1225 ath10k_warn(ar, "failed to stop WMI vdev %i: %d\n",
1226 arvif->vdev_id, ret);
1227 return ret;
1228 }
1229
1230 ret = ath10k_vdev_setup_sync(ar);
1231 if (ret) {
1232 ath10k_warn(ar, "failed to syncronise setup for vdev %i: %d\n",
1233 arvif->vdev_id, ret);
1234 return ret;
1235 }
1236
1237 WARN_ON(ar->num_started_vdevs == 0);
1238
1239 if (ar->num_started_vdevs != 0) {
1240 ar->num_started_vdevs--;
1241 ath10k_recalc_radar_detection(ar);
1242 }
1243
1244 return ret;
1245}
1246
500ff9f9
MK		 1247static int ath10k_vdev_start_restart(struct ath10k_vif *arvif,
1248 const struct cfg80211_chan_def *chandef,
1249 bool restart)
72654fa7
MK		 1250{
1251 struct ath10k *ar = arvif->ar;
72654fa7
MK		 1252 struct wmi_vdev_start_request_arg arg = {};
1253 int ret = 0;
1254
1255 lockdep_assert_held(&ar->conf_mutex);
1256
1257 reinit_completion(&ar->vdev_setup_done);
1258
1259 arg.vdev_id = arvif->vdev_id;
1260 arg.dtim_period = arvif->dtim_period;
1261 arg.bcn_intval = arvif->beacon_interval;
1262
1263 arg.channel.freq = chandef->chan->center_freq;
1264 arg.channel.band_center_freq1 = chandef->center_freq1;
1265 arg.channel.mode = chan_to_phymode(chandef);
1266
1267 arg.channel.min_power = 0;
1268 arg.channel.max_power = chandef->chan->max_power * 2;
1269 arg.channel.max_reg_power = chandef->chan->max_reg_power * 2;
1270 arg.channel.max_antenna_gain = chandef->chan->max_antenna_gain * 2;
1271
1272 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
1273 arg.ssid = arvif->u.ap.ssid;
1274 arg.ssid_len = arvif->u.ap.ssid_len;
1275 arg.hidden_ssid = arvif->u.ap.hidden_ssid;
1276
1277 /* For now allow DFS for AP mode */
1278 arg.channel.chan_radar =
1279 !!(chandef->chan->flags & IEEE80211_CHAN_RADAR);
1280 } else if (arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
1281 arg.ssid = arvif->vif->bss_conf.ssid;
1282 arg.ssid_len = arvif->vif->bss_conf.ssid_len;
1283 }
1284
7aa7a72a 1285 ath10k_dbg(ar, ATH10K_DBG_MAC,
72654fa7
MK		 1286 "mac vdev %d start center_freq %d phymode %s\n",
1287 arg.vdev_id, arg.channel.freq,
1288 ath10k_wmi_phymode_str(arg.channel.mode));
1289
dc55e307
MK		 1290 if (restart)
1291 ret = ath10k_wmi_vdev_restart(ar, &arg);
1292 else
1293 ret = ath10k_wmi_vdev_start(ar, &arg);
1294
72654fa7 1295 if (ret) {
7aa7a72a 1296 ath10k_warn(ar, "failed to start WMI vdev %i: %d\n",
72654fa7
MK		 1297 arg.vdev_id, ret);
1298 return ret;
1299 }
1300
1301 ret = ath10k_vdev_setup_sync(ar);
1302 if (ret) {
60028a81
BG		 1303 ath10k_warn(ar,
1304 "failed to synchronize setup for vdev %i restart %d: %d\n",
1305 arg.vdev_id, restart, ret);
72654fa7
MK		 1306 return ret;
1307 }
1308
d650097b
MK		 1309 ar->num_started_vdevs++;
1310 ath10k_recalc_radar_detection(ar);
1311
72654fa7
MK		 1312 return ret;
1313}
1314
500ff9f9
MK		 1315static int ath10k_vdev_start(struct ath10k_vif *arvif,
1316 const struct cfg80211_chan_def *def)
dc55e307 1317{
500ff9f9 1318 return ath10k_vdev_start_restart(arvif, def, false);
dc55e307
MK		 1319}
1320
500ff9f9
MK		 1321static int ath10k_vdev_restart(struct ath10k_vif *arvif,
1322 const struct cfg80211_chan_def *def)
72654fa7 1323{
500ff9f9 1324 return ath10k_vdev_start_restart(arvif, def, true);
72654fa7
MK		 1325}
1326
fbb8f1b7
MK		 1327static int ath10k_mac_setup_bcn_p2p_ie(struct ath10k_vif *arvif,
1328 struct sk_buff *bcn)
1329{
1330 struct ath10k *ar = arvif->ar;
1331 struct ieee80211_mgmt *mgmt;
1332 const u8 *p2p_ie;
1333 int ret;
1334
1335 if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
1336 return 0;
1337
1338 if (arvif->vdev_subtype != WMI_VDEV_SUBTYPE_P2P_GO)
1339 return 0;
1340
1341 mgmt = (void *)bcn->data;
1342 p2p_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
1343 mgmt->u.beacon.variable,
1344 bcn->len - (mgmt->u.beacon.variable -
1345 bcn->data));
1346 if (!p2p_ie)
1347 return -ENOENT;
1348
1349 ret = ath10k_wmi_p2p_go_bcn_ie(ar, arvif->vdev_id, p2p_ie);
1350 if (ret) {
1351 ath10k_warn(ar, "failed to submit p2p go bcn ie for vdev %i: %d\n",
1352 arvif->vdev_id, ret);
1353 return ret;
1354 }
1355
1356 return 0;
1357}
1358
1359static int ath10k_mac_remove_vendor_ie(struct sk_buff *skb, unsigned int oui,
1360 u8 oui_type, size_t ie_offset)
1361{
1362 size_t len;
1363 const u8 *next;
1364 const u8 *end;
1365 u8 *ie;
1366
1367 if (WARN_ON(skb->len < ie_offset))
1368 return -EINVAL;
1369
1370 ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type,
1371 skb->data + ie_offset,
1372 skb->len - ie_offset);
1373 if (!ie)
1374 return -ENOENT;
1375
1376 len = ie[1] + 2;
1377 end = skb->data + skb->len;
1378 next = ie + len;
1379
1380 if (WARN_ON(next > end))
1381 return -EINVAL;
1382
1383 memmove(ie, next, end - next);
1384 skb_trim(skb, skb->len - len);
1385
1386 return 0;
1387}
1388
1389static int ath10k_mac_setup_bcn_tmpl(struct ath10k_vif *arvif)
1390{
1391 struct ath10k *ar = arvif->ar;
1392 struct ieee80211_hw *hw = ar->hw;
1393 struct ieee80211_vif *vif = arvif->vif;
1394 struct ieee80211_mutable_offsets offs = {};
1395 struct sk_buff *bcn;
1396 int ret;
1397
1398 if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
1399 return 0;
1400
81a9a17d
MK		 1401 if (arvif->vdev_type != WMI_VDEV_TYPE_AP &&
1402 arvif->vdev_type != WMI_VDEV_TYPE_IBSS)
1403 return 0;
1404
fbb8f1b7
MK		 1405 bcn = ieee80211_beacon_get_template(hw, vif, &offs);
1406 if (!bcn) {
1407 ath10k_warn(ar, "failed to get beacon template from mac80211\n");
1408 return -EPERM;
1409 }
1410
1411 ret = ath10k_mac_setup_bcn_p2p_ie(arvif, bcn);
1412 if (ret) {
1413 ath10k_warn(ar, "failed to setup p2p go bcn ie: %d\n", ret);
1414 kfree_skb(bcn);
1415 return ret;
1416 }
1417
1418 /* P2P IE is inserted by firmware automatically (as configured above)
1419 * so remove it from the base beacon template to avoid duplicate P2P
1420 * IEs in beacon frames.
1421 */
1422 ath10k_mac_remove_vendor_ie(bcn, WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
1423 offsetof(struct ieee80211_mgmt,
1424 u.beacon.variable));
1425
1426 ret = ath10k_wmi_bcn_tmpl(ar, arvif->vdev_id, offs.tim_offset, bcn, 0,
1427 0, NULL, 0);
1428 kfree_skb(bcn);
1429
1430 if (ret) {
1431 ath10k_warn(ar, "failed to submit beacon template command: %d\n",
1432 ret);
1433 return ret;
1434 }
1435
1436 return 0;
1437}
1438
1439static int ath10k_mac_setup_prb_tmpl(struct ath10k_vif *arvif)
1440{
1441 struct ath10k *ar = arvif->ar;
1442 struct ieee80211_hw *hw = ar->hw;
1443 struct ieee80211_vif *vif = arvif->vif;
1444 struct sk_buff *prb;
1445 int ret;
1446
1447 if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
1448 return 0;
1449
81a9a17d
MK		 1450 if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
1451 return 0;
1452
fbb8f1b7
MK		 1453 prb = ieee80211_proberesp_get(hw, vif);
1454 if (!prb) {
1455 ath10k_warn(ar, "failed to get probe resp template from mac80211\n");
1456 return -EPERM;
1457 }
1458
1459 ret = ath10k_wmi_prb_tmpl(ar, arvif->vdev_id, prb);
1460 kfree_skb(prb);
1461
1462 if (ret) {
1463 ath10k_warn(ar, "failed to submit probe resp template command: %d\n",
1464 ret);
1465 return ret;
1466 }
1467
1468 return 0;
1469}
1470
500ff9f9
MK		 1471static int ath10k_mac_vif_fix_hidden_ssid(struct ath10k_vif *arvif)
1472{
1473 struct ath10k *ar = arvif->ar;
1474 struct cfg80211_chan_def def;
1475 int ret;
1476
1477 /* When originally vdev is started during assign_vif_chanctx() some
1478 * information is missing, notably SSID. Firmware revisions with beacon
1479 * offloading require the SSID to be provided during vdev (re)start to
1480 * handle hidden SSID properly.
1481 *
1482 * Vdev restart must be done after vdev has been both started and
1483 * upped. Otherwise some firmware revisions (at least 10.2) fail to
1484 * deliver vdev restart response event causing timeouts during vdev
1485 * syncing in ath10k.
1486 *
1487 * Note: The vdev down/up and template reinstallation could be skipped
1488 * since only wmi-tlv firmware are known to have beacon offload and
1489 * wmi-tlv doesn't seem to misbehave like 10.2 wrt vdev restart
1490 * response delivery. It's probably more robust to keep it as is.
1491 */
1492 if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
1493 return 0;
1494
1495 if (WARN_ON(!arvif->is_started))
1496 return -EINVAL;
1497
1498 if (WARN_ON(!arvif->is_up))
1499 return -EINVAL;
1500
1501 if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def)))
1502 return -EINVAL;
1503
1504 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
1505 if (ret) {
1506 ath10k_warn(ar, "failed to bring down ap vdev %i: %d\n",
1507 arvif->vdev_id, ret);
1508 return ret;
1509 }
1510
1511 /* Vdev down reset beacon & presp templates. Reinstall them. Otherwise
1512 * firmware will crash upon vdev up.
1513 */
1514
1515 ret = ath10k_mac_setup_bcn_tmpl(arvif);
1516 if (ret) {
1517 ath10k_warn(ar, "failed to update beacon template: %d\n", ret);
1518 return ret;
1519 }
1520
1521 ret = ath10k_mac_setup_prb_tmpl(arvif);
1522 if (ret) {
1523 ath10k_warn(ar, "failed to update presp template: %d\n", ret);
1524 return ret;
1525 }
1526
1527 ret = ath10k_vdev_restart(arvif, &def);
1528 if (ret) {
1529 ath10k_warn(ar, "failed to restart ap vdev %i: %d\n",
1530 arvif->vdev_id, ret);
1531 return ret;
1532 }
1533
1534 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
1535 arvif->bssid);
1536 if (ret) {
1537 ath10k_warn(ar, "failed to bring up ap vdev %i: %d\n",
1538 arvif->vdev_id, ret);
1539 return ret;
1540 }
1541
1542 return 0;
1543}
1544
5e3dd157 1545static void ath10k_control_beaconing(struct ath10k_vif *arvif,
5b07e07f 1546 struct ieee80211_bss_conf *info)
5e3dd157 1547{
7aa7a72a 1548 struct ath10k *ar = arvif->ar;
5e3dd157
KV		 1549 int ret = 0;
1550
548db54c
MK		 1551 lockdep_assert_held(&arvif->ar->conf_mutex);
1552
5e3dd157 1553 if (!info->enable_beacon) {
500ff9f9
MK		 1554 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
1555 if (ret)
1556 ath10k_warn(ar, "failed to down vdev_id %i: %d\n",
1557 arvif->vdev_id, ret);
c930f744 1558
c930f744
MK		 1559 arvif->is_up = false;
1560
748afc47 1561 spin_lock_bh(&arvif->ar->data_lock);
64badcb6 1562 ath10k_mac_vif_beacon_free(arvif);
748afc47
MK		 1563 spin_unlock_bh(&arvif->ar->data_lock);
1564
5e3dd157
KV		 1565 return;
1566 }
1567
1568 arvif->tx_seq_no = 0x1000;
1569
c930f744 1570 arvif->aid = 0;
b25f32cb 1571 ether_addr_copy(arvif->bssid, info->bssid);
c930f744
MK		 1572
1573 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
1574 arvif->bssid);
5e3dd157 1575 if (ret) {
7aa7a72a 1576 ath10k_warn(ar, "failed to bring up vdev %d: %i\n",
69244e56 1577 arvif->vdev_id, ret);
5e3dd157
KV		 1578 return;
1579 }
c930f744 1580
c930f744
MK		 1581 arvif->is_up = true;
1582
500ff9f9
MK		 1583 ret = ath10k_mac_vif_fix_hidden_ssid(arvif);
1584 if (ret) {
1585 ath10k_warn(ar, "failed to fix hidden ssid for vdev %i, expect trouble: %d\n",
1586 arvif->vdev_id, ret);
1587 return;
1588 }
1589
7aa7a72a 1590 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d up\n", arvif->vdev_id);
5e3dd157
KV		 1591}
1592
1593static void ath10k_control_ibss(struct ath10k_vif *arvif,
1594 struct ieee80211_bss_conf *info,
1595 const u8 self_peer[ETH_ALEN])
1596{
7aa7a72a 1597 struct ath10k *ar = arvif->ar;
6d1506e7 1598 u32 vdev_param;
5e3dd157
KV		 1599 int ret = 0;
1600
548db54c
MK		 1601 lockdep_assert_held(&arvif->ar->conf_mutex);
1602
5e3dd157 1603 if (!info->ibss_joined) {
c930f744 1604 if (is_zero_ether_addr(arvif->bssid))
5e3dd157
KV		 1605 return;
1606
93803b33 1607 eth_zero_addr(arvif->bssid);
5e3dd157
KV		 1608
1609 return;
1610 }
1611
6d1506e7
BM		 1612 vdev_param = arvif->ar->wmi.vdev_param->atim_window;
1613 ret = ath10k_wmi_vdev_set_param(arvif->ar, arvif->vdev_id, vdev_param,
5e3dd157
KV		 1614 ATH10K_DEFAULT_ATIM);
1615 if (ret)
7aa7a72a 1616 ath10k_warn(ar, "failed to set IBSS ATIM for vdev %d: %d\n",
5e3dd157
KV		 1617 arvif->vdev_id, ret);
1618}
1619
9f9b5746
MK		 1620static int ath10k_mac_vif_recalc_ps_wake_threshold(struct ath10k_vif *arvif)
1621{
1622 struct ath10k *ar = arvif->ar;
1623 u32 param;
1624 u32 value;
1625 int ret;
1626
1627 lockdep_assert_held(&arvif->ar->conf_mutex);
1628
1629 if (arvif->u.sta.uapsd)
1630 value = WMI_STA_PS_TX_WAKE_THRESHOLD_NEVER;
1631 else
1632 value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS;
1633
1634 param = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD;
1635 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param, value);
1636 if (ret) {
1637 ath10k_warn(ar, "failed to submit ps wake threshold %u on vdev %i: %d\n",
1638 value, arvif->vdev_id, ret);
1639 return ret;
1640 }
1641
1642 return 0;
1643}
1644
1645static int ath10k_mac_vif_recalc_ps_poll_count(struct ath10k_vif *arvif)
1646{
1647 struct ath10k *ar = arvif->ar;
1648 u32 param;
1649 u32 value;
1650 int ret;
1651
1652 lockdep_assert_held(&arvif->ar->conf_mutex);
1653
1654 if (arvif->u.sta.uapsd)
1655 value = WMI_STA_PS_PSPOLL_COUNT_UAPSD;
1656 else
1657 value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX;
1658
1659 param = WMI_STA_PS_PARAM_PSPOLL_COUNT;
1660 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
1661 param, value);
1662 if (ret) {
1663 ath10k_warn(ar, "failed to submit ps poll count %u on vdev %i: %d\n",
1664 value, arvif->vdev_id, ret);
1665 return ret;
1666 }
1667
1668 return 0;
1669}
1670
cffb41f3
MK		 1671static int ath10k_mac_ps_vif_count(struct ath10k *ar)
1672{
1673 struct ath10k_vif *arvif;
1674 int num = 0;
1675
1676 lockdep_assert_held(&ar->conf_mutex);
1677
1678 list_for_each_entry(arvif, &ar->arvifs, list)
1679 if (arvif->ps)
1680 num++;
1681
1682 return num;
1683}
1684
ad088bfa 1685static int ath10k_mac_vif_setup_ps(struct ath10k_vif *arvif)
5e3dd157 1686{
ad088bfa 1687 struct ath10k *ar = arvif->ar;
526549a8 1688 struct ieee80211_vif *vif = arvif->vif;
ad088bfa 1689 struct ieee80211_conf *conf = &ar->hw->conf;
5e3dd157
KV		 1690 enum wmi_sta_powersave_param param;
1691 enum wmi_sta_ps_mode psmode;
1692 int ret;
526549a8 1693 int ps_timeout;
cffb41f3 1694 bool enable_ps;
5e3dd157 1695
548db54c
MK		 1696 lockdep_assert_held(&arvif->ar->conf_mutex);
1697
ad088bfa
MK		 1698 if (arvif->vif->type != NL80211_IFTYPE_STATION)
1699 return 0;
5e3dd157 1700
cffb41f3
MK		 1701 enable_ps = arvif->ps;
1702
1703 if (enable_ps && ath10k_mac_ps_vif_count(ar) > 1 &&
1704 !test_bit(ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT,
1705 ar->fw_features)) {
1706 ath10k_warn(ar, "refusing to enable ps on vdev %i: not supported by fw\n",
1707 arvif->vdev_id);
1708 enable_ps = false;
1709 }
1710
917826be
JD		 1711 if (!arvif->is_started) {
1712 /* mac80211 can update vif powersave state while disconnected.
1713 * Firmware doesn't behave nicely and consumes more power than
1714 * necessary if PS is disabled on a non-started vdev. Hence
1715 * force-enable PS for non-running vdevs.
1716 */
1717 psmode = WMI_STA_PS_MODE_ENABLED;
1718 } else if (enable_ps) {
5e3dd157
KV		 1719 psmode = WMI_STA_PS_MODE_ENABLED;
1720 param = WMI_STA_PS_PARAM_INACTIVITY_TIME;
1721
526549a8
MK		 1722 ps_timeout = conf->dynamic_ps_timeout;
1723 if (ps_timeout == 0) {
1724 /* Firmware doesn't like 0 */
1725 ps_timeout = ieee80211_tu_to_usec(
1726 vif->bss_conf.beacon_int) / 1000;
1727 }
1728
ad088bfa 1729 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param,
526549a8 1730 ps_timeout);
5e3dd157 1731 if (ret) {
7aa7a72a 1732 ath10k_warn(ar, "failed to set inactivity time for vdev %d: %i\n",
69244e56 1733 arvif->vdev_id, ret);
ad088bfa 1734 return ret;
5e3dd157 1735 }
5e3dd157
KV		 1736 } else {
1737 psmode = WMI_STA_PS_MODE_DISABLED;
1738 }
1739
7aa7a72a 1740 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d psmode %s\n",
60c3daa8
KV		 1741 arvif->vdev_id, psmode ? "enable" : "disable");
1742
ad088bfa
MK		 1743 ret = ath10k_wmi_set_psmode(ar, arvif->vdev_id, psmode);
1744 if (ret) {
7aa7a72a 1745 ath10k_warn(ar, "failed to set PS Mode %d for vdev %d: %d\n",
be6546fc 1746 psmode, arvif->vdev_id, ret);
ad088bfa
MK		 1747 return ret;
1748 }
1749
1750 return 0;
5e3dd157
KV		 1751}
1752
46725b15
MK		 1753static int ath10k_mac_vif_disable_keepalive(struct ath10k_vif *arvif)
1754{
1755 struct ath10k *ar = arvif->ar;
1756 struct wmi_sta_keepalive_arg arg = {};
1757 int ret;
1758
1759 lockdep_assert_held(&arvif->ar->conf_mutex);
1760
1761 if (arvif->vdev_type != WMI_VDEV_TYPE_STA)
1762 return 0;
1763
1764 if (!test_bit(WMI_SERVICE_STA_KEEP_ALIVE, ar->wmi.svc_map))
1765 return 0;
1766
1767 /* Some firmware revisions have a bug and ignore the `enabled` field.
1768 * Instead use the interval to disable the keepalive.
1769 */
1770 arg.vdev_id = arvif->vdev_id;
1771 arg.enabled = 1;
1772 arg.method = WMI_STA_KEEPALIVE_METHOD_NULL_FRAME;
1773 arg.interval = WMI_STA_KEEPALIVE_INTERVAL_DISABLE;
1774
1775 ret = ath10k_wmi_sta_keepalive(ar, &arg);
1776 if (ret) {
1777 ath10k_warn(ar, "failed to submit keepalive on vdev %i: %d\n",
1778 arvif->vdev_id, ret);
1779 return ret;
1780 }
1781
1782 return 0;
1783}
1784
81a9a17d
MK		 1785static void ath10k_mac_vif_ap_csa_count_down(struct ath10k_vif *arvif)
1786{
1787 struct ath10k *ar = arvif->ar;
1788 struct ieee80211_vif *vif = arvif->vif;
1789 int ret;
1790
8513d95b
MK		 1791 lockdep_assert_held(&arvif->ar->conf_mutex);
1792
1793 if (WARN_ON(!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)))
1794 return;
1795
81a9a17d
MK		 1796 if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
1797 return;
1798
1799 if (!vif->csa_active)
1800 return;
1801
1802 if (!arvif->is_up)
1803 return;
1804
1805 if (!ieee80211_csa_is_complete(vif)) {
1806 ieee80211_csa_update_counter(vif);
1807
1808 ret = ath10k_mac_setup_bcn_tmpl(arvif);
1809 if (ret)
1810 ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n",
1811 ret);
1812
1813 ret = ath10k_mac_setup_prb_tmpl(arvif);
1814 if (ret)
1815 ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n",
1816 ret);
1817 } else {
1818 ieee80211_csa_finish(vif);
1819 }
1820}
1821
1822static void ath10k_mac_vif_ap_csa_work(struct work_struct *work)
1823{
1824 struct ath10k_vif *arvif = container_of(work, struct ath10k_vif,
1825 ap_csa_work);
1826 struct ath10k *ar = arvif->ar;
1827
1828 mutex_lock(&ar->conf_mutex);
1829 ath10k_mac_vif_ap_csa_count_down(arvif);
1830 mutex_unlock(&ar->conf_mutex);
1831}
1832
cc9904e6
MK		 1833static void ath10k_mac_handle_beacon_iter(void *data, u8 *mac,
1834 struct ieee80211_vif *vif)
1835{
1836 struct sk_buff *skb = data;
1837 struct ieee80211_mgmt *mgmt = (void *)skb->data;
1838 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
1839
1840 if (vif->type != NL80211_IFTYPE_STATION)
1841 return;
1842
1843 if (!ether_addr_equal(mgmt->bssid, vif->bss_conf.bssid))
1844 return;
1845
1846 cancel_delayed_work(&arvif->connection_loss_work);
1847}
1848
1849void ath10k_mac_handle_beacon(struct ath10k *ar, struct sk_buff *skb)
1850{
1851 ieee80211_iterate_active_interfaces_atomic(ar->hw,
1852 IEEE80211_IFACE_ITER_NORMAL,
1853 ath10k_mac_handle_beacon_iter,
1854 skb);
1855}
1856
1857static void ath10k_mac_handle_beacon_miss_iter(void *data, u8 *mac,
1858 struct ieee80211_vif *vif)
1859{
1860 u32 *vdev_id = data;
1861 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
1862 struct ath10k *ar = arvif->ar;
1863 struct ieee80211_hw *hw = ar->hw;
1864
1865 if (arvif->vdev_id != *vdev_id)
1866 return;
1867
1868 if (!arvif->is_up)
1869 return;
1870
1871 ieee80211_beacon_loss(vif);
1872
1873 /* Firmware doesn't report beacon loss events repeatedly. If AP probe
1874 * (done by mac80211) succeeds but beacons do not resume then it
1875 * doesn't make sense to continue operation. Queue connection loss work
1876 * which can be cancelled when beacon is received.
1877 */
1878 ieee80211_queue_delayed_work(hw, &arvif->connection_loss_work,
1879 ATH10K_CONNECTION_LOSS_HZ);
1880}
1881
1882void ath10k_mac_handle_beacon_miss(struct ath10k *ar, u32 vdev_id)
1883{
1884 ieee80211_iterate_active_interfaces_atomic(ar->hw,
1885 IEEE80211_IFACE_ITER_NORMAL,
1886 ath10k_mac_handle_beacon_miss_iter,
1887 &vdev_id);
1888}
1889
1890static void ath10k_mac_vif_sta_connection_loss_work(struct work_struct *work)
1891{
1892 struct ath10k_vif *arvif = container_of(work, struct ath10k_vif,
1893 connection_loss_work.work);
1894 struct ieee80211_vif *vif = arvif->vif;
1895
1896 if (!arvif->is_up)
1897 return;
1898
1899 ieee80211_connection_loss(vif);
1900}
1901
5e3dd157
KV		 1902/**********************/
1903/* Station management */
1904/**********************/
1905
590922a8
MK		 1906static u32 ath10k_peer_assoc_h_listen_intval(struct ath10k *ar,
1907 struct ieee80211_vif *vif)
1908{
1909 /* Some firmware revisions have unstable STA powersave when listen
1910 * interval is set too high (e.g. 5). The symptoms are firmware doesn't
1911 * generate NullFunc frames properly even if buffered frames have been
1912 * indicated in Beacon TIM. Firmware would seldom wake up to pull
1913 * buffered frames. Often pinging the device from AP would simply fail.
1914 *
1915 * As a workaround set it to 1.
1916 */
1917 if (vif->type == NL80211_IFTYPE_STATION)
1918 return 1;
1919
1920 return ar->hw->conf.listen_interval;
1921}
1922
5e3dd157 1923static void ath10k_peer_assoc_h_basic(struct ath10k *ar,
590922a8 1924 struct ieee80211_vif *vif,
5e3dd157 1925 struct ieee80211_sta *sta,
5e3dd157
KV		 1926 struct wmi_peer_assoc_complete_arg *arg)
1927{
590922a8 1928 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
c51880ea 1929 u32 aid;
590922a8 1930
548db54c
MK		 1931 lockdep_assert_held(&ar->conf_mutex);
1932
c51880ea
MK		 1933 if (vif->type == NL80211_IFTYPE_STATION)
1934 aid = vif->bss_conf.aid;
1935 else
1936 aid = sta->aid;
1937
b25f32cb 1938 ether_addr_copy(arg->addr, sta->addr);
5e3dd157 1939 arg->vdev_id = arvif->vdev_id;
c51880ea 1940 arg->peer_aid = aid;
5e3dd157 1941 arg->peer_flags |= WMI_PEER_AUTH;
590922a8 1942 arg->peer_listen_intval = ath10k_peer_assoc_h_listen_intval(ar, vif);
5e3dd157 1943 arg->peer_num_spatial_streams = 1;
590922a8 1944 arg->peer_caps = vif->bss_conf.assoc_capability;
5e3dd157
KV		 1945}
1946
1947static void ath10k_peer_assoc_h_crypto(struct ath10k *ar,
590922a8 1948 struct ieee80211_vif *vif,
5e3dd157
KV		 1949 struct wmi_peer_assoc_complete_arg *arg)
1950{
5e3dd157 1951 struct ieee80211_bss_conf *info = &vif->bss_conf;
500ff9f9 1952 struct cfg80211_chan_def def;
5e3dd157
KV		 1953 struct cfg80211_bss *bss;
1954 const u8 *rsnie = NULL;
1955 const u8 *wpaie = NULL;
1956
548db54c
MK		 1957 lockdep_assert_held(&ar->conf_mutex);
1958
500ff9f9
MK		 1959 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
1960 return;
1961
1962 bss = cfg80211_get_bss(ar->hw->wiphy, def.chan, info->bssid, NULL, 0,
1963 IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY);
5e3dd157
KV		 1964 if (bss) {
1965 const struct cfg80211_bss_ies *ies;
1966
1967 rcu_read_lock();
1968 rsnie = ieee80211_bss_get_ie(bss, WLAN_EID_RSN);
1969
1970 ies = rcu_dereference(bss->ies);
1971
1972 wpaie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
5b07e07f
KV		 1973 WLAN_OUI_TYPE_MICROSOFT_WPA,
1974 ies->data,
1975 ies->len);
5e3dd157
KV		 1976 rcu_read_unlock();
1977 cfg80211_put_bss(ar->hw->wiphy, bss);
1978 }
1979
1980 /* FIXME: base on RSN IE/WPA IE is a correct idea? */
1981 if (rsnie || wpaie) {
7aa7a72a 1982 ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: rsn ie found\n", __func__);
5e3dd157
KV		 1983 arg->peer_flags |= WMI_PEER_NEED_PTK_4_WAY;
1984 }
1985
1986 if (wpaie) {
7aa7a72a 1987 ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: wpa ie found\n", __func__);
5e3dd157
KV		 1988 arg->peer_flags |= WMI_PEER_NEED_GTK_2_WAY;
1989 }
1990}
1991
1992static void ath10k_peer_assoc_h_rates(struct ath10k *ar,
500ff9f9 1993 struct ieee80211_vif *vif,
5e3dd157
KV		 1994 struct ieee80211_sta *sta,
1995 struct wmi_peer_assoc_complete_arg *arg)
1996{
45c9abc0 1997 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5e3dd157 1998 struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates;
500ff9f9 1999 struct cfg80211_chan_def def;
5e3dd157
KV		 2000 const struct ieee80211_supported_band *sband;
2001 const struct ieee80211_rate *rates;
45c9abc0 2002 enum ieee80211_band band;
5e3dd157 2003 u32 ratemask;
486017cc 2004 u8 rate;
5e3dd157
KV		 2005 int i;
2006
548db54c
MK		 2007 lockdep_assert_held(&ar->conf_mutex);
2008
500ff9f9
MK		 2009 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2010 return;
2011
45c9abc0
MK		 2012 band = def.chan->band;
2013 sband = ar->hw->wiphy->bands[band];
2014 ratemask = sta->supp_rates[band];
2015 ratemask &= arvif->bitrate_mask.control[band].legacy;
5e3dd157
KV		 2016 rates = sband->bitrates;
2017
2018 rateset->num_rates = 0;
2019
2020 for (i = 0; i < 32; i++, ratemask >>= 1, rates++) {
2021 if (!(ratemask & 1))
2022 continue;
2023
486017cc
MK		 2024 rate = ath10k_mac_bitrate_to_rate(rates->bitrate);
2025 rateset->rates[rateset->num_rates] = rate;
5e3dd157
KV		 2026 rateset->num_rates++;
2027 }
2028}
2029
45c9abc0
MK		 2030static bool
2031ath10k_peer_assoc_h_ht_masked(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN])
2032{
2033 int nss;
2034
2035 for (nss = 0; nss < IEEE80211_HT_MCS_MASK_LEN; nss++)
2036 if (ht_mcs_mask[nss])
2037 return false;
2038
2039 return true;
2040}
2041
2042static bool
2043ath10k_peer_assoc_h_vht_masked(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
2044{
2045 int nss;
2046
2047 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++)
2048 if (vht_mcs_mask[nss])
2049 return false;
2050
2051 return true;
2052}
2053
5e3dd157 2054static void ath10k_peer_assoc_h_ht(struct ath10k *ar,
45c9abc0 2055 struct ieee80211_vif *vif,
5e3dd157
KV		 2056 struct ieee80211_sta *sta,
2057 struct wmi_peer_assoc_complete_arg *arg)
2058{
2059 const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
45c9abc0
MK		 2060 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2061 struct cfg80211_chan_def def;
2062 enum ieee80211_band band;
2063 const u8 *ht_mcs_mask;
2064 const u16 *vht_mcs_mask;
2065 int i, n, max_nss;
af762c0b 2066 u32 stbc;
5e3dd157 2067
548db54c
MK		 2068 lockdep_assert_held(&ar->conf_mutex);
2069
45c9abc0
MK		 2070 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2071 return;
2072
5e3dd157
KV		 2073 if (!ht_cap->ht_supported)
2074 return;
2075
45c9abc0
MK		 2076 band = def.chan->band;
2077 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
2078 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
2079
2080 if (ath10k_peer_assoc_h_ht_masked(ht_mcs_mask) &&
2081 ath10k_peer_assoc_h_vht_masked(vht_mcs_mask))
2082 return;
2083
5e3dd157
KV		 2084 arg->peer_flags |= WMI_PEER_HT;
2085 arg->peer_max_mpdu = (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
2086 ht_cap->ampdu_factor)) - 1;
2087
2088 arg->peer_mpdu_density =
2089 ath10k_parse_mpdudensity(ht_cap->ampdu_density);
2090
2091 arg->peer_ht_caps = ht_cap->cap;
2092 arg->peer_rate_caps |= WMI_RC_HT_FLAG;
2093
2094 if (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING)
2095 arg->peer_flags |= WMI_PEER_LDPC;
2096
2097 if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) {
2098 arg->peer_flags |= WMI_PEER_40MHZ;
2099 arg->peer_rate_caps |= WMI_RC_CW40_FLAG;
2100 }
2101
45c9abc0
MK		 2102 if (arvif->bitrate_mask.control[band].gi != NL80211_TXRATE_FORCE_LGI) {
2103 if (ht_cap->cap & IEEE80211_HT_CAP_SGI_20)
2104 arg->peer_rate_caps |= WMI_RC_SGI_FLAG;
5e3dd157 2105
45c9abc0
MK		 2106 if (ht_cap->cap & IEEE80211_HT_CAP_SGI_40)
2107 arg->peer_rate_caps |= WMI_RC_SGI_FLAG;
2108 }
5e3dd157
KV		 2109
2110 if (ht_cap->cap & IEEE80211_HT_CAP_TX_STBC) {
2111 arg->peer_rate_caps |= WMI_RC_TX_STBC_FLAG;
2112 arg->peer_flags |= WMI_PEER_STBC;
2113 }
2114
2115 if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) {
5e3dd157
KV		 2116 stbc = ht_cap->cap & IEEE80211_HT_CAP_RX_STBC;
2117 stbc = stbc >> IEEE80211_HT_CAP_RX_STBC_SHIFT;
2118 stbc = stbc << WMI_RC_RX_STBC_FLAG_S;
2119 arg->peer_rate_caps |= stbc;
2120 arg->peer_flags |= WMI_PEER_STBC;
2121 }
2122
5e3dd157
KV		 2123 if (ht_cap->mcs.rx_mask[1] && ht_cap->mcs.rx_mask[2])
2124 arg->peer_rate_caps |= WMI_RC_TS_FLAG;
2125 else if (ht_cap->mcs.rx_mask[1])
2126 arg->peer_rate_caps |= WMI_RC_DS_FLAG;
2127
45c9abc0
MK		 2128 for (i = 0, n = 0, max_nss = 0; i < IEEE80211_HT_MCS_MASK_LEN * 8; i++)
2129 if ((ht_cap->mcs.rx_mask[i / 8] & BIT(i % 8)) &&
2130 (ht_mcs_mask[i / 8] & BIT(i % 8))) {
2131 max_nss = (i / 8) + 1;
5e3dd157 2132 arg->peer_ht_rates.rates[n++] = i;
45c9abc0 2133 }
5e3dd157 2134
fd71f807
BM		 2135 /*
2136 * This is a workaround for HT-enabled STAs which break the spec
2137 * and have no HT capabilities RX mask (no HT RX MCS map).
2138 *
2139 * As per spec, in section 20.3.5 Modulation and coding scheme (MCS),
2140 * MCS 0 through 7 are mandatory in 20MHz with 800 ns GI at all STAs.
2141 *
2142 * Firmware asserts if such situation occurs.
2143 */
2144 if (n == 0) {
2145 arg->peer_ht_rates.num_rates = 8;
2146 for (i = 0; i < arg->peer_ht_rates.num_rates; i++)
2147 arg->peer_ht_rates.rates[i] = i;
2148 } else {
2149 arg->peer_ht_rates.num_rates = n;
45c9abc0 2150 arg->peer_num_spatial_streams = max_nss;
fd71f807 2151 }
5e3dd157 2152
7aa7a72a 2153 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ht peer %pM mcs cnt %d nss %d\n",
60c3daa8 2154 arg->addr,
5e3dd157
KV		 2155 arg->peer_ht_rates.num_rates,
2156 arg->peer_num_spatial_streams);
2157}
2158
d3d3ff42
JD		 2159static int ath10k_peer_assoc_qos_ap(struct ath10k *ar,
2160 struct ath10k_vif *arvif,
2161 struct ieee80211_sta *sta)
5e3dd157
KV		 2162{
2163 u32 uapsd = 0;
2164 u32 max_sp = 0;
d3d3ff42 2165 int ret = 0;
5e3dd157 2166
548db54c
MK		 2167 lockdep_assert_held(&ar->conf_mutex);
2168
5e3dd157 2169 if (sta->wme && sta->uapsd_queues) {
7aa7a72a 2170 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac uapsd_queues 0x%x max_sp %d\n",
5e3dd157
KV		 2171 sta->uapsd_queues, sta->max_sp);
2172
5e3dd157
KV		 2173 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO)
2174 uapsd |= WMI_AP_PS_UAPSD_AC3_DELIVERY_EN |
2175 WMI_AP_PS_UAPSD_AC3_TRIGGER_EN;
2176 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI)
2177 uapsd |= WMI_AP_PS_UAPSD_AC2_DELIVERY_EN |
2178 WMI_AP_PS_UAPSD_AC2_TRIGGER_EN;
2179 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK)
2180 uapsd |= WMI_AP_PS_UAPSD_AC1_DELIVERY_EN |
2181 WMI_AP_PS_UAPSD_AC1_TRIGGER_EN;
2182 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE)
2183 uapsd |= WMI_AP_PS_UAPSD_AC0_DELIVERY_EN |
2184 WMI_AP_PS_UAPSD_AC0_TRIGGER_EN;
2185
5e3dd157
KV		 2186 if (sta->max_sp < MAX_WMI_AP_PS_PEER_PARAM_MAX_SP)
2187 max_sp = sta->max_sp;
2188
d3d3ff42
JD		 2189 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id,
2190 sta->addr,
2191 WMI_AP_PS_PEER_PARAM_UAPSD,
2192 uapsd);
2193 if (ret) {
7aa7a72a 2194 ath10k_warn(ar, "failed to set ap ps peer param uapsd for vdev %i: %d\n",
69244e56 2195 arvif->vdev_id, ret);
d3d3ff42
JD		 2196 return ret;
2197 }
5e3dd157 2198
d3d3ff42
JD		 2199 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id,
2200 sta->addr,
2201 WMI_AP_PS_PEER_PARAM_MAX_SP,
2202 max_sp);
2203 if (ret) {
7aa7a72a 2204 ath10k_warn(ar, "failed to set ap ps peer param max sp for vdev %i: %d\n",
69244e56 2205 arvif->vdev_id, ret);
d3d3ff42
JD		 2206 return ret;
2207 }
5e3dd157
KV		 2208
2209 /* TODO setup this based on STA listen interval and
2210 beacon interval. Currently we don't know
2211 sta->listen_interval - mac80211 patch required.
2212 Currently use 10 seconds */
d3d3ff42 2213 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, sta->addr,
5b07e07f
KV		 2214 WMI_AP_PS_PEER_PARAM_AGEOUT_TIME,
2215 10);
d3d3ff42 2216 if (ret) {
7aa7a72a 2217 ath10k_warn(ar, "failed to set ap ps peer param ageout time for vdev %i: %d\n",
69244e56 2218 arvif->vdev_id, ret);
d3d3ff42
JD		 2219 return ret;
2220 }
5e3dd157 2221 }
5e3dd157 2222
d3d3ff42 2223 return 0;
5e3dd157
KV		 2224}
2225
45c9abc0
MK		 2226static u16
2227ath10k_peer_assoc_h_vht_limit(u16 tx_mcs_set,
2228 const u16 vht_mcs_limit[NL80211_VHT_NSS_MAX])
2229{
2230 int idx_limit;
2231 int nss;
2232 u16 mcs_map;
2233 u16 mcs;
2234
2235 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
2236 mcs_map = ath10k_mac_get_max_vht_mcs_map(tx_mcs_set, nss) &
2237 vht_mcs_limit[nss];
2238
2239 if (mcs_map)
2240 idx_limit = fls(mcs_map) - 1;
2241 else
2242 idx_limit = -1;
2243
2244 switch (idx_limit) {
2245 case 0: /* fall through */
2246 case 1: /* fall through */
2247 case 2: /* fall through */
2248 case 3: /* fall through */
2249 case 4: /* fall through */
2250 case 5: /* fall through */
2251 case 6: /* fall through */
2252 default:
2253 /* see ath10k_mac_can_set_bitrate_mask() */
2254 WARN_ON(1);
2255 /* fall through */
2256 case -1:
2257 mcs = IEEE80211_VHT_MCS_NOT_SUPPORTED;
2258 break;
2259 case 7:
2260 mcs = IEEE80211_VHT_MCS_SUPPORT_0_7;
2261 break;
2262 case 8:
2263 mcs = IEEE80211_VHT_MCS_SUPPORT_0_8;
2264 break;
2265 case 9:
2266 mcs = IEEE80211_VHT_MCS_SUPPORT_0_9;
2267 break;
2268 }
2269
2270 tx_mcs_set &= ~(0x3 << (nss * 2));
2271 tx_mcs_set |= mcs << (nss * 2);
2272 }
2273
2274 return tx_mcs_set;
2275}
2276
5e3dd157 2277static void ath10k_peer_assoc_h_vht(struct ath10k *ar,
500ff9f9 2278 struct ieee80211_vif *vif,
5e3dd157
KV		 2279 struct ieee80211_sta *sta,
2280 struct wmi_peer_assoc_complete_arg *arg)
2281{
2282 const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
45c9abc0 2283 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
500ff9f9 2284 struct cfg80211_chan_def def;
45c9abc0
MK		 2285 enum ieee80211_band band;
2286 const u16 *vht_mcs_mask;
a24b88b5 2287 u8 ampdu_factor;
5e3dd157 2288
500ff9f9
MK		 2289 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2290 return;
2291
5e3dd157
KV		 2292 if (!vht_cap->vht_supported)
2293 return;
2294
45c9abc0
MK		 2295 band = def.chan->band;
2296 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
2297
2298 if (ath10k_peer_assoc_h_vht_masked(vht_mcs_mask))
2299 return;
2300
5e3dd157 2301 arg->peer_flags |= WMI_PEER_VHT;
d68bb12a 2302
500ff9f9 2303 if (def.chan->band == IEEE80211_BAND_2GHZ)
d68bb12a
YL		 2304 arg->peer_flags |= WMI_PEER_VHT_2G;
2305
5e3dd157
KV		 2306 arg->peer_vht_caps = vht_cap->cap;
2307
a24b88b5
SM		 2308 ampdu_factor = (vht_cap->cap &
2309 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>
2310 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
2311
2312 /* Workaround: Some Netgear/Linksys 11ac APs set Rx A-MPDU factor to
2313 * zero in VHT IE. Using it would result in degraded throughput.
2314 * arg->peer_max_mpdu at this point contains HT max_mpdu so keep
2315 * it if VHT max_mpdu is smaller. */
2316 arg->peer_max_mpdu = max(arg->peer_max_mpdu,
2317 (1U << (IEEE80211_HT_MAX_AMPDU_FACTOR +
2318 ampdu_factor)) - 1);
2319
5e3dd157
KV		 2320 if (sta->bandwidth == IEEE80211_STA_RX_BW_80)
2321 arg->peer_flags |= WMI_PEER_80MHZ;
2322
2323 arg->peer_vht_rates.rx_max_rate =
2324 __le16_to_cpu(vht_cap->vht_mcs.rx_highest);
2325 arg->peer_vht_rates.rx_mcs_set =
2326 __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map);
2327 arg->peer_vht_rates.tx_max_rate =
2328 __le16_to_cpu(vht_cap->vht_mcs.tx_highest);
45c9abc0
MK		 2329 arg->peer_vht_rates.tx_mcs_set = ath10k_peer_assoc_h_vht_limit(
2330 __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map), vht_mcs_mask);
5e3dd157 2331
7aa7a72a 2332 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vht peer %pM max_mpdu %d flags 0x%x\n",
60c3daa8 2333 sta->addr, arg->peer_max_mpdu, arg->peer_flags);
5e3dd157
KV		 2334}
2335
2336static void ath10k_peer_assoc_h_qos(struct ath10k *ar,
590922a8 2337 struct ieee80211_vif *vif,
5e3dd157 2338 struct ieee80211_sta *sta,
5e3dd157
KV		 2339 struct wmi_peer_assoc_complete_arg *arg)
2340{
590922a8
MK		 2341 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2342
5e3dd157
KV		 2343 switch (arvif->vdev_type) {
2344 case WMI_VDEV_TYPE_AP:
d3d3ff42
JD		 2345 if (sta->wme)
2346 arg->peer_flags |= WMI_PEER_QOS;
2347
2348 if (sta->wme && sta->uapsd_queues) {
2349 arg->peer_flags |= WMI_PEER_APSD;
2350 arg->peer_rate_caps |= WMI_RC_UAPSD_FLAG;
2351 }
5e3dd157
KV		 2352 break;
2353 case WMI_VDEV_TYPE_STA:
590922a8 2354 if (vif->bss_conf.qos)
d3d3ff42 2355 arg->peer_flags |= WMI_PEER_QOS;
5e3dd157 2356 break;
627d9841
JD		 2357 case WMI_VDEV_TYPE_IBSS:
2358 if (sta->wme)
2359 arg->peer_flags |= WMI_PEER_QOS;
2360 break;
5e3dd157
KV		 2361 default:
2362 break;
2363 }
627d9841
JD		 2364
2365 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM qos %d\n",
2366 sta->addr, !!(arg->peer_flags & WMI_PEER_QOS));
5e3dd157
KV		 2367}
2368
8d7aa6bc 2369static bool ath10k_mac_sta_has_ofdm_only(struct ieee80211_sta *sta)
91b12089 2370{
8d7aa6bc
MK		 2371 return sta->supp_rates[IEEE80211_BAND_2GHZ] >>
2372 ATH10K_MAC_FIRST_OFDM_RATE_IDX;
91b12089
MK		 2373}
2374
5e3dd157 2375static void ath10k_peer_assoc_h_phymode(struct ath10k *ar,
590922a8 2376 struct ieee80211_vif *vif,
5e3dd157
KV		 2377 struct ieee80211_sta *sta,
2378 struct wmi_peer_assoc_complete_arg *arg)
2379{
45c9abc0 2380 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
500ff9f9 2381 struct cfg80211_chan_def def;
45c9abc0
MK		 2382 enum ieee80211_band band;
2383 const u8 *ht_mcs_mask;
2384 const u16 *vht_mcs_mask;
5e3dd157
KV		 2385 enum wmi_phy_mode phymode = MODE_UNKNOWN;
2386
500ff9f9
MK		 2387 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2388 return;
2389
45c9abc0
MK		 2390 band = def.chan->band;
2391 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
2392 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
2393
2394 switch (band) {
5e3dd157 2395 case IEEE80211_BAND_2GHZ:
45c9abc0
MK		 2396 if (sta->vht_cap.vht_supported &&
2397 !ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
d68bb12a
YL		 2398 if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
2399 phymode = MODE_11AC_VHT40;
2400 else
2401 phymode = MODE_11AC_VHT20;
45c9abc0
MK		 2402 } else if (sta->ht_cap.ht_supported &&
2403 !ath10k_peer_assoc_h_ht_masked(ht_mcs_mask)) {
5e3dd157
KV		 2404 if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
2405 phymode = MODE_11NG_HT40;
2406 else
2407 phymode = MODE_11NG_HT20;
8d7aa6bc 2408 } else if (ath10k_mac_sta_has_ofdm_only(sta)) {
5e3dd157 2409 phymode = MODE_11G;
91b12089
MK		 2410 } else {
2411 phymode = MODE_11B;
5e3dd157
KV		 2412 }
2413
2414 break;
2415 case IEEE80211_BAND_5GHZ:
7cc45e98
SM		 2416 /*
2417 * Check VHT first.
2418 */
45c9abc0
MK		 2419 if (sta->vht_cap.vht_supported &&
2420 !ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
7cc45e98
SM		 2421 if (sta->bandwidth == IEEE80211_STA_RX_BW_80)
2422 phymode = MODE_11AC_VHT80;
2423 else if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
2424 phymode = MODE_11AC_VHT40;
2425 else if (sta->bandwidth == IEEE80211_STA_RX_BW_20)
2426 phymode = MODE_11AC_VHT20;
45c9abc0
MK		 2427 } else if (sta->ht_cap.ht_supported &&
2428 !ath10k_peer_assoc_h_ht_masked(ht_mcs_mask)) {
2429 if (sta->bandwidth >= IEEE80211_STA_RX_BW_40)
5e3dd157
KV		 2430 phymode = MODE_11NA_HT40;
2431 else
2432 phymode = MODE_11NA_HT20;
2433 } else {
2434 phymode = MODE_11A;
2435 }
2436
2437 break;
2438 default:
2439 break;
2440 }
2441
7aa7a72a 2442 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM phymode %s\n",
38a1d47e 2443 sta->addr, ath10k_wmi_phymode_str(phymode));
60c3daa8 2444
5e3dd157
KV		 2445 arg->peer_phymode = phymode;
2446 WARN_ON(phymode == MODE_UNKNOWN);
2447}
2448
b9ada65d 2449static int ath10k_peer_assoc_prepare(struct ath10k *ar,
590922a8 2450 struct ieee80211_vif *vif,
b9ada65d 2451 struct ieee80211_sta *sta,
b9ada65d 2452 struct wmi_peer_assoc_complete_arg *arg)
5e3dd157 2453{
548db54c
MK		 2454 lockdep_assert_held(&ar->conf_mutex);
2455
b9ada65d 2456 memset(arg, 0, sizeof(*arg));
5e3dd157 2457
590922a8
MK		 2458 ath10k_peer_assoc_h_basic(ar, vif, sta, arg);
2459 ath10k_peer_assoc_h_crypto(ar, vif, arg);
500ff9f9 2460 ath10k_peer_assoc_h_rates(ar, vif, sta, arg);
45c9abc0 2461 ath10k_peer_assoc_h_ht(ar, vif, sta, arg);
500ff9f9 2462 ath10k_peer_assoc_h_vht(ar, vif, sta, arg);
590922a8
MK		 2463 ath10k_peer_assoc_h_qos(ar, vif, sta, arg);
2464 ath10k_peer_assoc_h_phymode(ar, vif, sta, arg);
5e3dd157 2465
b9ada65d 2466 return 0;
5e3dd157
KV		 2467}
2468
90046f50
MK		 2469static const u32 ath10k_smps_map[] = {
2470 [WLAN_HT_CAP_SM_PS_STATIC] = WMI_PEER_SMPS_STATIC,
2471 [WLAN_HT_CAP_SM_PS_DYNAMIC] = WMI_PEER_SMPS_DYNAMIC,
2472 [WLAN_HT_CAP_SM_PS_INVALID] = WMI_PEER_SMPS_PS_NONE,
2473 [WLAN_HT_CAP_SM_PS_DISABLED] = WMI_PEER_SMPS_PS_NONE,
2474};
2475
2476static int ath10k_setup_peer_smps(struct ath10k *ar, struct ath10k_vif *arvif,
2477 const u8 *addr,
2478 const struct ieee80211_sta_ht_cap *ht_cap)
2479{
2480 int smps;
2481
2482 if (!ht_cap->ht_supported)
2483 return 0;
2484
2485 smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS;
2486 smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT;
2487
2488 if (smps >= ARRAY_SIZE(ath10k_smps_map))
2489 return -EINVAL;
2490
2491 return ath10k_wmi_peer_set_param(ar, arvif->vdev_id, addr,
2492 WMI_PEER_SMPS_STATE,
2493 ath10k_smps_map[smps]);
2494}
2495
139e170d
MK		 2496static int ath10k_mac_vif_recalc_txbf(struct ath10k *ar,
2497 struct ieee80211_vif *vif,
2498 struct ieee80211_sta_vht_cap vht_cap)
2499{
2500 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2501 int ret;
2502 u32 param;
2503 u32 value;
2504
2505 if (!(ar->vht_cap_info &
2506 (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
2507 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
2508 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
2509 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)))
2510 return 0;
2511
2512 param = ar->wmi.vdev_param->txbf;
2513 value = 0;
2514
2515 if (WARN_ON(param == WMI_VDEV_PARAM_UNSUPPORTED))
2516 return 0;
2517
2518 /* The following logic is correct. If a remote STA advertises support
2519 * for being a beamformer then we should enable us being a beamformee.
2520 */
2521
2522 if (ar->vht_cap_info &
2523 (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
2524 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) {
2525 if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)
2526 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
2527
2528 if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)
2529 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFEE;
2530 }
2531
2532 if (ar->vht_cap_info &
2533 (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
2534 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) {
2535 if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)
2536 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
2537
2538 if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)
2539 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFER;
2540 }
2541
2542 if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFEE)
2543 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
2544
2545 if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFER)
2546 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
2547
2548 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, value);
2549 if (ret) {
2550 ath10k_warn(ar, "failed to submit vdev param txbf 0x%x: %d\n",
2551 value, ret);
2552 return ret;
2553 }
2554
2555 return 0;
2556}
2557
5e3dd157
KV		 2558/* can be called only in mac80211 callbacks due to `key_count` usage */
2559static void ath10k_bss_assoc(struct ieee80211_hw *hw,
2560 struct ieee80211_vif *vif,
2561 struct ieee80211_bss_conf *bss_conf)
2562{
2563 struct ath10k *ar = hw->priv;
2564 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
90046f50 2565 struct ieee80211_sta_ht_cap ht_cap;
139e170d 2566 struct ieee80211_sta_vht_cap vht_cap;
b9ada65d 2567 struct wmi_peer_assoc_complete_arg peer_arg;
5e3dd157
KV		 2568 struct ieee80211_sta *ap_sta;
2569 int ret;
2570
548db54c
MK		 2571 lockdep_assert_held(&ar->conf_mutex);
2572
077efc8c
MK		 2573 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i assoc bssid %pM aid %d\n",
2574 arvif->vdev_id, arvif->bssid, arvif->aid);
2575
5e3dd157
KV		 2576 rcu_read_lock();
2577
2578 ap_sta = ieee80211_find_sta(vif, bss_conf->bssid);
2579 if (!ap_sta) {
7aa7a72a 2580 ath10k_warn(ar, "failed to find station entry for bss %pM vdev %i\n",
69244e56 2581 bss_conf->bssid, arvif->vdev_id);
5e3dd157
KV		 2582 rcu_read_unlock();
2583 return;
2584 }
2585
90046f50
MK		 2586 /* ap_sta must be accessed only within rcu section which must be left
2587 * before calling ath10k_setup_peer_smps() which might sleep. */
2588 ht_cap = ap_sta->ht_cap;
139e170d 2589 vht_cap = ap_sta->vht_cap;
90046f50 2590
590922a8 2591 ret = ath10k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg);
5e3dd157 2592 if (ret) {
7aa7a72a 2593 ath10k_warn(ar, "failed to prepare peer assoc for %pM vdev %i: %d\n",
69244e56 2594 bss_conf->bssid, arvif->vdev_id, ret);
5e3dd157
KV		 2595 rcu_read_unlock();
2596 return;
2597 }
2598
2599 rcu_read_unlock();
2600
b9ada65d
KV		 2601 ret = ath10k_wmi_peer_assoc(ar, &peer_arg);
2602 if (ret) {
7aa7a72a 2603 ath10k_warn(ar, "failed to run peer assoc for %pM vdev %i: %d\n",
69244e56 2604 bss_conf->bssid, arvif->vdev_id, ret);
b9ada65d
KV		 2605 return;
2606 }
2607
90046f50
MK		 2608 ret = ath10k_setup_peer_smps(ar, arvif, bss_conf->bssid, &ht_cap);
2609 if (ret) {
7aa7a72a 2610 ath10k_warn(ar, "failed to setup peer SMPS for vdev %i: %d\n",
69244e56 2611 arvif->vdev_id, ret);
90046f50
MK		 2612 return;
2613 }
2614
139e170d
MK		 2615 ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap);
2616 if (ret) {
2617 ath10k_warn(ar, "failed to recalc txbf for vdev %i on bss %pM: %d\n",
2618 arvif->vdev_id, bss_conf->bssid, ret);
2619 return;
2620 }
2621
7aa7a72a 2622 ath10k_dbg(ar, ATH10K_DBG_MAC,
60c3daa8
KV		 2623 "mac vdev %d up (associated) bssid %pM aid %d\n",
2624 arvif->vdev_id, bss_conf->bssid, bss_conf->aid);
2625
077efc8c
MK		 2626 WARN_ON(arvif->is_up);
2627
c930f744 2628 arvif->aid = bss_conf->aid;
b25f32cb 2629 ether_addr_copy(arvif->bssid, bss_conf->bssid);
c930f744
MK		 2630
2631 ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid);
2632 if (ret) {
7aa7a72a 2633 ath10k_warn(ar, "failed to set vdev %d up: %d\n",
5e3dd157 2634 arvif->vdev_id, ret);
c930f744
MK		 2635 return;
2636 }
2637
2638 arvif->is_up = true;
0a987fb0
MK		 2639
2640 /* Workaround: Some firmware revisions (tested with qca6174
2641 * WLAN.RM.2.0-00073) have buggy powersave state machine and must be
2642 * poked with peer param command.
2643 */
2644 ret = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, arvif->bssid,
2645 WMI_PEER_DUMMY_VAR, 1);
2646 if (ret) {
2647 ath10k_warn(ar, "failed to poke peer %pM param for ps workaround on vdev %i: %d\n",
2648 arvif->bssid, arvif->vdev_id, ret);
2649 return;
2650 }
5e3dd157
KV		 2651}
2652
5e3dd157
KV		 2653static void ath10k_bss_disassoc(struct ieee80211_hw *hw,
2654 struct ieee80211_vif *vif)
2655{
2656 struct ath10k *ar = hw->priv;
2657 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
139e170d 2658 struct ieee80211_sta_vht_cap vht_cap = {};
5e3dd157
KV		 2659 int ret;
2660
548db54c
MK		 2661 lockdep_assert_held(&ar->conf_mutex);
2662
077efc8c
MK		 2663 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i disassoc bssid %pM\n",
2664 arvif->vdev_id, arvif->bssid);
60c3daa8 2665
5e3dd157 2666 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
077efc8c
MK		 2667 if (ret)
2668 ath10k_warn(ar, "faield to down vdev %i: %d\n",
2669 arvif->vdev_id, ret);
5e3dd157 2670
627613f8
SJ		 2671 arvif->def_wep_key_idx = -1;
2672
139e170d
MK		 2673 ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap);
2674 if (ret) {
2675 ath10k_warn(ar, "failed to recalc txbf for vdev %i: %d\n",
2676 arvif->vdev_id, ret);
2677 return;
2678 }
2679
c930f744 2680 arvif->is_up = false;
cc9904e6
MK		 2681
2682 cancel_delayed_work_sync(&arvif->connection_loss_work);
5e3dd157
KV		 2683}
2684
590922a8
MK		 2685static int ath10k_station_assoc(struct ath10k *ar,
2686 struct ieee80211_vif *vif,
2687 struct ieee80211_sta *sta,
2688 bool reassoc)
5e3dd157 2689{
590922a8 2690 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
b9ada65d 2691 struct wmi_peer_assoc_complete_arg peer_arg;
5e3dd157
KV		 2692 int ret = 0;
2693
548db54c
MK		 2694 lockdep_assert_held(&ar->conf_mutex);
2695
590922a8 2696 ret = ath10k_peer_assoc_prepare(ar, vif, sta, &peer_arg);
b9ada65d 2697 if (ret) {
7aa7a72a 2698 ath10k_warn(ar, "failed to prepare WMI peer assoc for %pM vdev %i: %i\n",
69244e56 2699 sta->addr, arvif->vdev_id, ret);
b9ada65d
KV		 2700 return ret;
2701 }
2702
2703 ret = ath10k_wmi_peer_assoc(ar, &peer_arg);
5e3dd157 2704 if (ret) {
7aa7a72a 2705 ath10k_warn(ar, "failed to run peer assoc for STA %pM vdev %i: %d\n",
69244e56 2706 sta->addr, arvif->vdev_id, ret);
5e3dd157
KV		 2707 return ret;
2708 }
2709
b1ecde36
MK		 2710 /* Re-assoc is run only to update supported rates for given station. It
2711 * doesn't make much sense to reconfigure the peer completely.
2712 */
2713 if (!reassoc) {
2714 ret = ath10k_setup_peer_smps(ar, arvif, sta->addr,
2715 &sta->ht_cap);
e81bd104 2716 if (ret) {
b1ecde36 2717 ath10k_warn(ar, "failed to setup peer SMPS for vdev %d: %d\n",
e81bd104
MK		 2718 arvif->vdev_id, ret);
2719 return ret;
2720 }
e81bd104 2721
b1ecde36
MK		 2722 ret = ath10k_peer_assoc_qos_ap(ar, arvif, sta);
2723 if (ret) {
2724 ath10k_warn(ar, "failed to set qos params for STA %pM for vdev %i: %d\n",
2725 sta->addr, arvif->vdev_id, ret);
2726 return ret;
2727 }
5e3dd157 2728
b1ecde36
MK		 2729 if (!sta->wme) {
2730 arvif->num_legacy_stations++;
2731 ret = ath10k_recalc_rtscts_prot(arvif);
2732 if (ret) {
2733 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
2734 arvif->vdev_id, ret);
2735 return ret;
2736 }
2737 }
2738
627613f8
SJ		 2739 /* Plumb cached keys only for static WEP */
2740 if (arvif->def_wep_key_idx != -1) {
2741 ret = ath10k_install_peer_wep_keys(arvif, sta->addr);
2742 if (ret) {
2743 ath10k_warn(ar, "failed to install peer wep keys for vdev %i: %d\n",
2744 arvif->vdev_id, ret);
2745 return ret;
2746 }
b1ecde36 2747 }
d3d3ff42
JD		 2748 }
2749
5e3dd157
KV		 2750 return ret;
2751}
2752
590922a8
MK		 2753static int ath10k_station_disassoc(struct ath10k *ar,
2754 struct ieee80211_vif *vif,
5e3dd157
KV		 2755 struct ieee80211_sta *sta)
2756{
590922a8 2757 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5e3dd157
KV		 2758 int ret = 0;
2759
548db54c
MK		 2760 lockdep_assert_held(&ar->conf_mutex);
2761
e81bd104
MK		 2762 if (!sta->wme) {
2763 arvif->num_legacy_stations--;
2764 ret = ath10k_recalc_rtscts_prot(arvif);
2765 if (ret) {
7aa7a72a 2766 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
e81bd104
MK		 2767 arvif->vdev_id, ret);
2768 return ret;
2769 }
2770 }
2771
5e3dd157
KV		 2772 ret = ath10k_clear_peer_keys(arvif, sta->addr);
2773 if (ret) {
7aa7a72a 2774 ath10k_warn(ar, "failed to clear all peer wep keys for vdev %i: %d\n",
69244e56 2775 arvif->vdev_id, ret);
5e3dd157
KV		 2776 return ret;
2777 }
2778
2779 return ret;
2780}
2781
2782/**************/
2783/* Regulatory */
2784/**************/
2785
2786static int ath10k_update_channel_list(struct ath10k *ar)
2787{
2788 struct ieee80211_hw *hw = ar->hw;
2789 struct ieee80211_supported_band **bands;
2790 enum ieee80211_band band;
2791 struct ieee80211_channel *channel;
2792 struct wmi_scan_chan_list_arg arg = {0};
2793 struct wmi_channel_arg *ch;
2794 bool passive;
2795 int len;
2796 int ret;
2797 int i;
2798
548db54c
MK		 2799 lockdep_assert_held(&ar->conf_mutex);
2800
5e3dd157
KV		 2801 bands = hw->wiphy->bands;
2802 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2803 if (!bands[band])
2804 continue;
2805
2806 for (i = 0; i < bands[band]->n_channels; i++) {
2807 if (bands[band]->channels[i].flags &
2808 IEEE80211_CHAN_DISABLED)
2809 continue;
2810
2811 arg.n_channels++;
2812 }
2813 }
2814
2815 len = sizeof(struct wmi_channel_arg) * arg.n_channels;
2816 arg.channels = kzalloc(len, GFP_KERNEL);
2817 if (!arg.channels)
2818 return -ENOMEM;
2819
2820 ch = arg.channels;
2821 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2822 if (!bands[band])
2823 continue;
2824
2825 for (i = 0; i < bands[band]->n_channels; i++) {
2826 channel = &bands[band]->channels[i];
2827
2828 if (channel->flags & IEEE80211_CHAN_DISABLED)
2829 continue;
2830
2831 ch->allow_ht = true;
2832
2833 /* FIXME: when should we really allow VHT? */
2834 ch->allow_vht = true;
2835
2836 ch->allow_ibss =
8fe02e16 2837 !(channel->flags & IEEE80211_CHAN_NO_IR);
5e3dd157
KV		 2838
2839 ch->ht40plus =
2840 !(channel->flags & IEEE80211_CHAN_NO_HT40PLUS);
2841
e8a50f8b
MP		 2842 ch->chan_radar =
2843 !!(channel->flags & IEEE80211_CHAN_RADAR);
2844
8fe02e16 2845 passive = channel->flags & IEEE80211_CHAN_NO_IR;
5e3dd157
KV		 2846 ch->passive = passive;
2847
2848 ch->freq = channel->center_freq;
2d66721c 2849 ch->band_center_freq1 = channel->center_freq;
89c5c843 2850 ch->min_power = 0;
02256930
MK		 2851 ch->max_power = channel->max_power * 2;
2852 ch->max_reg_power = channel->max_reg_power * 2;
2853 ch->max_antenna_gain = channel->max_antenna_gain * 2;
5e3dd157
KV		 2854 ch->reg_class_id = 0; /* FIXME */
2855
2856 /* FIXME: why use only legacy modes, why not any
2857 * HT/VHT modes? Would that even make any
2858 * difference? */
2859 if (channel->band == IEEE80211_BAND_2GHZ)
2860 ch->mode = MODE_11G;
2861 else
2862 ch->mode = MODE_11A;
2863
2864 if (WARN_ON_ONCE(ch->mode == MODE_UNKNOWN))
2865 continue;
2866
7aa7a72a 2867 ath10k_dbg(ar, ATH10K_DBG_WMI,
60c3daa8
KV		 2868 "mac channel [%zd/%d] freq %d maxpower %d regpower %d antenna %d mode %d\n",
2869 ch - arg.channels, arg.n_channels,
5e3dd157
KV		 2870 ch->freq, ch->max_power, ch->max_reg_power,
2871 ch->max_antenna_gain, ch->mode);
2872
2873 ch++;
2874 }
2875 }
2876
2877 ret = ath10k_wmi_scan_chan_list(ar, &arg);
2878 kfree(arg.channels);
2879
2880 return ret;
2881}
2882
821af6ae
MP		 2883static enum wmi_dfs_region
2884ath10k_mac_get_dfs_region(enum nl80211_dfs_regions dfs_region)
2885{
2886 switch (dfs_region) {
2887 case NL80211_DFS_UNSET:
2888 return WMI_UNINIT_DFS_DOMAIN;
2889 case NL80211_DFS_FCC:
2890 return WMI_FCC_DFS_DOMAIN;
2891 case NL80211_DFS_ETSI:
2892 return WMI_ETSI_DFS_DOMAIN;
2893 case NL80211_DFS_JP:
2894 return WMI_MKK4_DFS_DOMAIN;
2895 }
2896 return WMI_UNINIT_DFS_DOMAIN;
2897}
2898
f7843d7f 2899static void ath10k_regd_update(struct ath10k *ar)
5e3dd157 2900{
5e3dd157 2901 struct reg_dmn_pair_mapping *regpair;
5e3dd157 2902 int ret;
821af6ae
MP		 2903 enum wmi_dfs_region wmi_dfs_reg;
2904 enum nl80211_dfs_regions nl_dfs_reg;
5e3dd157 2905
f7843d7f 2906 lockdep_assert_held(&ar->conf_mutex);
5e3dd157
KV		 2907
2908 ret = ath10k_update_channel_list(ar);
2909 if (ret)
7aa7a72a 2910 ath10k_warn(ar, "failed to update channel list: %d\n", ret);
5e3dd157
KV		 2911
2912 regpair = ar->ath_common.regulatory.regpair;
f7843d7f 2913
821af6ae
MP		 2914 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) {
2915 nl_dfs_reg = ar->dfs_detector->region;
2916 wmi_dfs_reg = ath10k_mac_get_dfs_region(nl_dfs_reg);
2917 } else {
2918 wmi_dfs_reg = WMI_UNINIT_DFS_DOMAIN;
2919 }
2920
5e3dd157
KV		 2921 /* Target allows setting up per-band regdomain but ath_common provides
2922 * a combined one only */
2923 ret = ath10k_wmi_pdev_set_regdomain(ar,
ef8c0017
KV		 2924 regpair->reg_domain,
2925 regpair->reg_domain, /* 2ghz */
2926 regpair->reg_domain, /* 5ghz */
5e3dd157 2927 regpair->reg_2ghz_ctl,
821af6ae
MP		 2928 regpair->reg_5ghz_ctl,
2929 wmi_dfs_reg);
5e3dd157 2930 if (ret)
7aa7a72a 2931 ath10k_warn(ar, "failed to set pdev regdomain: %d\n", ret);
f7843d7f 2932}
548db54c 2933
f7843d7f
MK		 2934static void ath10k_reg_notifier(struct wiphy *wiphy,
2935 struct regulatory_request *request)
2936{
2937 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
2938 struct ath10k *ar = hw->priv;
9702c686 2939 bool result;
f7843d7f
MK		 2940
2941 ath_reg_notifier_apply(wiphy, request, &ar->ath_common.regulatory);
2942
9702c686 2943 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) {
7aa7a72a 2944 ath10k_dbg(ar, ATH10K_DBG_REGULATORY, "dfs region 0x%x\n",
9702c686
JD		 2945 request->dfs_region);
2946 result = ar->dfs_detector->set_dfs_domain(ar->dfs_detector,
2947 request->dfs_region);
2948 if (!result)
7aa7a72a 2949 ath10k_warn(ar, "DFS region 0x%X not supported, will trigger radar for every pulse\n",
9702c686
JD		 2950 request->dfs_region);
2951 }
2952
f7843d7f
MK		 2953 mutex_lock(&ar->conf_mutex);
2954 if (ar->state == ATH10K_STATE_ON)
2955 ath10k_regd_update(ar);
548db54c 2956 mutex_unlock(&ar->conf_mutex);
5e3dd157
KV		 2957}
2958
2959/***************/
2960/* TX handlers */
2961/***************/
2962
96d828d4 2963void ath10k_mac_tx_lock(struct ath10k *ar, int reason)
42c3aa6f 2964{
96d828d4 2965 lockdep_assert_held(&ar->htt.tx_lock);
42c3aa6f 2966
96d828d4
MK		 2967 WARN_ON(reason >= ATH10K_TX_PAUSE_MAX);
2968 ar->tx_paused |= BIT(reason);
2969 ieee80211_stop_queues(ar->hw);
42c3aa6f
MK		 2970}
2971
96d828d4
MK		 2972static void ath10k_mac_tx_unlock_iter(void *data, u8 *mac,
2973 struct ieee80211_vif *vif)
ddb6ad77 2974{
96d828d4
MK		 2975 struct ath10k *ar = data;
2976 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
ddb6ad77 2977
96d828d4
MK		 2978 if (arvif->tx_paused)
2979 return;
ddb6ad77 2980
96d828d4 2981 ieee80211_wake_queue(ar->hw, arvif->vdev_id);
ddb6ad77
MK		 2982}
2983
96d828d4 2984void ath10k_mac_tx_unlock(struct ath10k *ar, int reason)
5e3dd157 2985{
96d828d4 2986 lockdep_assert_held(&ar->htt.tx_lock);
5e3dd157 2987
96d828d4
MK		 2988 WARN_ON(reason >= ATH10K_TX_PAUSE_MAX);
2989 ar->tx_paused &= ~BIT(reason);
5e3dd157 2990
96d828d4
MK		 2991 if (ar->tx_paused)
2992 return;
c21c64d1 2993
96d828d4
MK		 2994 ieee80211_iterate_active_interfaces_atomic(ar->hw,
2995 IEEE80211_IFACE_ITER_RESUME_ALL,
2996 ath10k_mac_tx_unlock_iter,
2997 ar);
5e3dd157
KV		 2998}
2999
96d828d4 3000void ath10k_mac_vif_tx_lock(struct ath10k_vif *arvif, int reason)
5e3dd157 3001{
96d828d4 3002 struct ath10k *ar = arvif->ar;
5e3dd157 3003
96d828d4 3004 lockdep_assert_held(&ar->htt.tx_lock);
5e3dd157 3005
96d828d4
MK		 3006 WARN_ON(reason >= BITS_PER_LONG);
3007 arvif->tx_paused |= BIT(reason);
3008 ieee80211_stop_queue(ar->hw, arvif->vdev_id);
3009}
3010
3011void ath10k_mac_vif_tx_unlock(struct ath10k_vif *arvif, int reason)
3012{
3013 struct ath10k *ar = arvif->ar;
3014
3015 lockdep_assert_held(&ar->htt.tx_lock);
3016
3017 WARN_ON(reason >= BITS_PER_LONG);
3018 arvif->tx_paused &= ~BIT(reason);
3019
3020 if (ar->tx_paused)
3021 return;
3022
3023 if (arvif->tx_paused)
3024 return;
3025
3026 ieee80211_wake_queue(ar->hw, arvif->vdev_id);
3027}
3028
b4aa539d
MK		 3029static void ath10k_mac_vif_handle_tx_pause(struct ath10k_vif *arvif,
3030 enum wmi_tlv_tx_pause_id pause_id,
3031 enum wmi_tlv_tx_pause_action action)
3032{
3033 struct ath10k *ar = arvif->ar;
3034
3035 lockdep_assert_held(&ar->htt.tx_lock);
3036
3037 switch (pause_id) {
3038 case WMI_TLV_TX_PAUSE_ID_MCC:
3039 case WMI_TLV_TX_PAUSE_ID_P2P_CLI_NOA:
3040 case WMI_TLV_TX_PAUSE_ID_P2P_GO_PS:
3041 case WMI_TLV_TX_PAUSE_ID_AP_PS:
3042 case WMI_TLV_TX_PAUSE_ID_IBSS_PS:
3043 switch (action) {
3044 case WMI_TLV_TX_PAUSE_ACTION_STOP:
3045 ath10k_mac_vif_tx_lock(arvif, pause_id);
3046 break;
3047 case WMI_TLV_TX_PAUSE_ACTION_WAKE:
3048 ath10k_mac_vif_tx_unlock(arvif, pause_id);
3049 break;
3050 default:
3051 ath10k_warn(ar, "received unknown tx pause action %d on vdev %i, ignoring\n",
3052 action, arvif->vdev_id);
3053 break;
3054 }
3055 break;
3056 case WMI_TLV_TX_PAUSE_ID_AP_PEER_PS:
3057 case WMI_TLV_TX_PAUSE_ID_AP_PEER_UAPSD:
3058 case WMI_TLV_TX_PAUSE_ID_STA_ADD_BA:
3059 case WMI_TLV_TX_PAUSE_ID_HOST:
3060 default:
3061 /* FIXME: Some pause_ids aren't vdev specific. Instead they
3062 * target peer_id and tid. Implementing these could improve
3063 * traffic scheduling fairness across multiple connected
3064 * stations in AP/IBSS modes.
3065 */
3066 ath10k_dbg(ar, ATH10K_DBG_MAC,
3067 "mac ignoring unsupported tx pause vdev %i id %d\n",
3068 arvif->vdev_id, pause_id);
3069 break;
3070 }
3071}
3072
3073struct ath10k_mac_tx_pause {
3074 u32 vdev_id;
3075 enum wmi_tlv_tx_pause_id pause_id;
3076 enum wmi_tlv_tx_pause_action action;
3077};
3078
3079static void ath10k_mac_handle_tx_pause_iter(void *data, u8 *mac,
3080 struct ieee80211_vif *vif)
3081{
3082 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
3083 struct ath10k_mac_tx_pause *arg = data;
3084
3085 ath10k_mac_vif_handle_tx_pause(arvif, arg->pause_id, arg->action);
3086}
3087
3088void ath10k_mac_handle_tx_pause(struct ath10k *ar, u32 vdev_id,
3089 enum wmi_tlv_tx_pause_id pause_id,
3090 enum wmi_tlv_tx_pause_action action)
3091{
3092 struct ath10k_mac_tx_pause arg = {
3093 .vdev_id = vdev_id,
3094 .pause_id = pause_id,
3095 .action = action,
3096 };
3097
3098 spin_lock_bh(&ar->htt.tx_lock);
3099 ieee80211_iterate_active_interfaces_atomic(ar->hw,
3100 IEEE80211_IFACE_ITER_RESUME_ALL,
3101 ath10k_mac_handle_tx_pause_iter,
3102 &arg);
3103 spin_unlock_bh(&ar->htt.tx_lock);
3104}
3105
42c3aa6f
MK		 3106static u8 ath10k_tx_h_get_tid(struct ieee80211_hdr *hdr)
3107{
3108 if (ieee80211_is_mgmt(hdr->frame_control))
3109 return HTT_DATA_TX_EXT_TID_MGMT;
3110
3111 if (!ieee80211_is_data_qos(hdr->frame_control))
3112 return HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST;
3113
3114 if (!is_unicast_ether_addr(ieee80211_get_DA(hdr)))
3115 return HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST;
3116
3117 return ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK;
3118}
3119
2b37c295 3120static u8 ath10k_tx_h_get_vdev_id(struct ath10k *ar, struct ieee80211_vif *vif)
ddb6ad77 3121{
2b37c295
MK		 3122 if (vif)
3123 return ath10k_vif_to_arvif(vif)->vdev_id;
ddb6ad77 3124
1bbc0975 3125 if (ar->monitor_started)
ddb6ad77
MK		 3126 return ar->monitor_vdev_id;
3127
7aa7a72a 3128 ath10k_warn(ar, "failed to resolve vdev id\n");
ddb6ad77
MK		 3129 return 0;
3130}
3131
d740d8fd
MK		 3132static enum ath10k_hw_txrx_mode
3133ath10k_tx_h_get_txmode(struct ath10k *ar, struct ieee80211_vif *vif,
75d85fd9 3134 struct ieee80211_sta *sta, struct sk_buff *skb)
d740d8fd
MK		 3135{
3136 const struct ieee80211_hdr *hdr = (void *)skb->data;
3137 __le16 fc = hdr->frame_control;
3138
3139 if (!vif || vif->type == NL80211_IFTYPE_MONITOR)
3140 return ATH10K_HW_TXRX_RAW;
3141
3142 if (ieee80211_is_mgmt(fc))
3143 return ATH10K_HW_TXRX_MGMT;
3144
3145 /* Workaround:
3146 *
3147 * NullFunc frames are mostly used to ping if a client or AP are still
3148 * reachable and responsive. This implies tx status reports must be
3149 * accurate - otherwise either mac80211 or userspace (e.g. hostapd) can
3150 * come to a conclusion that the other end disappeared and tear down
3151 * BSS connection or it can never disconnect from BSS/client (which is
3152 * the case).
3153 *
3154 * Firmware with HTT older than 3.0 delivers incorrect tx status for
3155 * NullFunc frames to driver. However there's a HTT Mgmt Tx command
3156 * which seems to deliver correct tx reports for NullFunc frames. The
3157 * downside of using it is it ignores client powersave state so it can
3158 * end up disconnecting sleeping clients in AP mode. It should fix STA
3159 * mode though because AP don't sleep.
3160 */
3161 if (ar->htt.target_version_major < 3 &&
3162 (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)) &&
3163 !test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX, ar->fw_features))
3164 return ATH10K_HW_TXRX_MGMT;
3165
75d85fd9
MP		 3166 /* Workaround:
3167 *
3168 * Some wmi-tlv firmwares for qca6174 have broken Tx key selection for
3169 * NativeWifi txmode - it selects AP key instead of peer key. It seems
3170 * to work with Ethernet txmode so use it.
3171 */
3172 if (ieee80211_is_data_present(fc) && sta && sta->tdls)
3173 return ATH10K_HW_TXRX_ETHERNET;
3174
d740d8fd
MK		 3175 return ATH10K_HW_TXRX_NATIVE_WIFI;
3176}
3177
4b604558
MK		 3178/* HTT Tx uses Native Wifi tx mode which expects 802.11 frames without QoS
3179 * Control in the header.
5e3dd157 3180 */
4b604558 3181static void ath10k_tx_h_nwifi(struct ieee80211_hw *hw, struct sk_buff *skb)
5e3dd157
KV		 3182{
3183 struct ieee80211_hdr *hdr = (void *)skb->data;
c21c64d1 3184 struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb);
5e3dd157
KV		 3185 u8 *qos_ctl;
3186
3187 if (!ieee80211_is_data_qos(hdr->frame_control))
3188 return;
3189
3190 qos_ctl = ieee80211_get_qos_ctl(hdr);
ba0ccd7a
MK		 3191 memmove(skb->data + IEEE80211_QOS_CTL_LEN,
3192 skb->data, (void *)qos_ctl - (void *)skb->data);
3193 skb_pull(skb, IEEE80211_QOS_CTL_LEN);
c21c64d1 3194
8bad8dcd
MK		 3195 /* Some firmware revisions don't handle sending QoS NullFunc well.
3196 * These frames are mainly used for CQM purposes so it doesn't really
3197 * matter whether QoS NullFunc or NullFunc are sent.
c21c64d1 3198 */
bf0a26d3 3199 hdr = (void *)skb->data;
8bad8dcd 3200 if (ieee80211_is_qos_nullfunc(hdr->frame_control))
c21c64d1 3201 cb->htt.tid = HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST;
8bad8dcd
MK		 3202
3203 hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
5e3dd157
KV		 3204}
3205
d740d8fd
MK		 3206static void ath10k_tx_h_8023(struct sk_buff *skb)
3207{
3208 struct ieee80211_hdr *hdr;
3209 struct rfc1042_hdr *rfc1042;
3210 struct ethhdr *eth;
3211 size_t hdrlen;
3212 u8 da[ETH_ALEN];
3213 u8 sa[ETH_ALEN];
3214 __be16 type;
3215
3216 hdr = (void *)skb->data;
3217 hdrlen = ieee80211_hdrlen(hdr->frame_control);
3218 rfc1042 = (void *)skb->data + hdrlen;
3219
3220 ether_addr_copy(da, ieee80211_get_DA(hdr));
3221 ether_addr_copy(sa, ieee80211_get_SA(hdr));
3222 type = rfc1042->snap_type;
3223
3224 skb_pull(skb, hdrlen + sizeof(*rfc1042));
3225 skb_push(skb, sizeof(*eth));
3226
3227 eth = (void *)skb->data;
3228 ether_addr_copy(eth->h_dest, da);
3229 ether_addr_copy(eth->h_source, sa);
3230 eth->h_proto = type;
5e3dd157
KV		 3231}
3232
4b604558
MK		 3233static void ath10k_tx_h_add_p2p_noa_ie(struct ath10k *ar,
3234 struct ieee80211_vif *vif,
3235 struct sk_buff *skb)
5e3dd157
KV		 3236{
3237 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
5e3dd157
KV		 3238 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
3239
3240 /* This is case only for P2P_GO */
3241 if (arvif->vdev_type != WMI_VDEV_TYPE_AP ||
3242 arvif->vdev_subtype != WMI_VDEV_SUBTYPE_P2P_GO)
3243 return;
3244
3245 if (unlikely(ieee80211_is_probe_resp(hdr->frame_control))) {
3246 spin_lock_bh(&ar->data_lock);
3247 if (arvif->u.ap.noa_data)
3248 if (!pskb_expand_head(skb, 0, arvif->u.ap.noa_len,
3249 GFP_ATOMIC))
3250 memcpy(skb_put(skb, arvif->u.ap.noa_len),
3251 arvif->u.ap.noa_data,
3252 arvif->u.ap.noa_len);
3253 spin_unlock_bh(&ar->data_lock);
3254 }
3255}
3256
8d6d3624
MK		 3257static bool ath10k_mac_need_offchan_tx_work(struct ath10k *ar)
3258{
3259 /* FIXME: Not really sure since when the behaviour changed. At some
3260 * point new firmware stopped requiring creation of peer entries for
3261 * offchannel tx (and actually creating them causes issues with wmi-htc
3262 * tx credit replenishment and reliability). Assuming it's at least 3.4
3263 * because that's when the `freq` was introduced to TX_FRM HTT command.
3264 */
3265 return !(ar->htt.target_version_major >= 3 &&
3266 ar->htt.target_version_minor >= 4);
3267}
3268
d740d8fd 3269static int ath10k_mac_tx_wmi_mgmt(struct ath10k *ar, struct sk_buff *skb)
5e3dd157 3270{
d740d8fd 3271 struct sk_buff_head *q = &ar->wmi_mgmt_tx_queue;
5e00d31a 3272 int ret = 0;
5e3dd157 3273
d740d8fd
MK		 3274 spin_lock_bh(&ar->data_lock);
3275
3276 if (skb_queue_len(q) == ATH10K_MAX_NUM_MGMT_PENDING) {
3277 ath10k_warn(ar, "wmi mgmt tx queue is full\n");
3278 ret = -ENOSPC;
3279 goto unlock;
961d4c38
MK		 3280 }
3281
d740d8fd
MK		 3282 __skb_queue_tail(q, skb);
3283 ieee80211_queue_work(ar->hw, &ar->wmi_mgmt_tx_work);
5e00d31a 3284
d740d8fd
MK		 3285unlock:
3286 spin_unlock_bh(&ar->data_lock);
3287
3288 return ret;
3289}
3290
3291static void ath10k_mac_tx(struct ath10k *ar, struct sk_buff *skb)
3292{
3293 struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb);
3294 struct ath10k_htt *htt = &ar->htt;
3295 int ret = 0;
3296
3297 switch (cb->txmode) {
3298 case ATH10K_HW_TXRX_RAW:
3299 case ATH10K_HW_TXRX_NATIVE_WIFI:
3300 case ATH10K_HW_TXRX_ETHERNET:
3301 ret = ath10k_htt_tx(htt, skb);
3302 break;
3303 case ATH10K_HW_TXRX_MGMT:
3304 if (test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX,
3305 ar->fw_features))
3306 ret = ath10k_mac_tx_wmi_mgmt(ar, skb);
3307 else if (ar->htt.target_version_major >= 3)
3308 ret = ath10k_htt_tx(htt, skb);
3309 else
3310 ret = ath10k_htt_mgmt_tx(htt, skb);
3311 break;
5e00d31a 3312 }
5e3dd157
KV		 3313
3314 if (ret) {
7aa7a72a
MK		 3315 ath10k_warn(ar, "failed to transmit packet, dropping: %d\n",
3316 ret);
5e3dd157
KV		 3317 ieee80211_free_txskb(ar->hw, skb);
3318 }
3319}
3320
3321void ath10k_offchan_tx_purge(struct ath10k *ar)
3322{
3323 struct sk_buff *skb;
3324
3325 for (;;) {
3326 skb = skb_dequeue(&ar->offchan_tx_queue);
3327 if (!skb)
3328 break;
3329
3330 ieee80211_free_txskb(ar->hw, skb);
3331 }
3332}
3333
3334void ath10k_offchan_tx_work(struct work_struct *work)
3335{
3336 struct ath10k *ar = container_of(work, struct ath10k, offchan_tx_work);
3337 struct ath10k_peer *peer;
3338 struct ieee80211_hdr *hdr;
3339 struct sk_buff *skb;
3340 const u8 *peer_addr;
3341 int vdev_id;
3342 int ret;
8e9904f5 3343 unsigned long time_left;
5e3dd157
KV		 3344
3345 /* FW requirement: We must create a peer before FW will send out
3346 * an offchannel frame. Otherwise the frame will be stuck and
3347 * never transmitted. We delete the peer upon tx completion.
3348 * It is unlikely that a peer for offchannel tx will already be
3349 * present. However it may be in some rare cases so account for that.
3350 * Otherwise we might remove a legitimate peer and break stuff. */
3351
3352 for (;;) {
3353 skb = skb_dequeue(&ar->offchan_tx_queue);
3354 if (!skb)
3355 break;
3356
3357 mutex_lock(&ar->conf_mutex);
3358
7aa7a72a 3359 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac offchannel skb %p\n",
5e3dd157
KV		 3360 skb);
3361
3362 hdr = (struct ieee80211_hdr *)skb->data;
3363 peer_addr = ieee80211_get_DA(hdr);
5e00d31a 3364 vdev_id = ATH10K_SKB_CB(skb)->vdev_id;
5e3dd157
KV		 3365
3366 spin_lock_bh(&ar->data_lock);
3367 peer = ath10k_peer_find(ar, vdev_id, peer_addr);
3368 spin_unlock_bh(&ar->data_lock);
3369
3370 if (peer)
60c3daa8 3371 /* FIXME: should this use ath10k_warn()? */
7aa7a72a 3372 ath10k_dbg(ar, ATH10K_DBG_MAC, "peer %pM on vdev %d already present\n",
5e3dd157
KV		 3373 peer_addr, vdev_id);
3374
3375 if (!peer) {
7390ed34
MP		 3376 ret = ath10k_peer_create(ar, vdev_id, peer_addr,
3377 WMI_PEER_TYPE_DEFAULT);
5e3dd157 3378 if (ret)
7aa7a72a 3379 ath10k_warn(ar, "failed to create peer %pM on vdev %d: %d\n",
5e3dd157
KV		 3380 peer_addr, vdev_id, ret);
3381 }
3382
3383 spin_lock_bh(&ar->data_lock);
16735d02 3384 reinit_completion(&ar->offchan_tx_completed);
5e3dd157
KV		 3385 ar->offchan_tx_skb = skb;
3386 spin_unlock_bh(&ar->data_lock);
3387
d740d8fd 3388 ath10k_mac_tx(ar, skb);
5e3dd157 3389
8e9904f5
NMG		 3390 time_left =
3391 wait_for_completion_timeout(&ar->offchan_tx_completed, 3 * HZ);
3392 if (time_left == 0)
7aa7a72a 3393 ath10k_warn(ar, "timed out waiting for offchannel skb %p\n",
5e3dd157
KV		 3394 skb);
3395
3396 if (!peer) {
3397 ret = ath10k_peer_delete(ar, vdev_id, peer_addr);
3398 if (ret)
7aa7a72a 3399 ath10k_warn(ar, "failed to delete peer %pM on vdev %d: %d\n",
5e3dd157
KV		 3400 peer_addr, vdev_id, ret);
3401 }
3402
3403 mutex_unlock(&ar->conf_mutex);
3404 }
3405}
3406
5e00d31a
BM		 3407void ath10k_mgmt_over_wmi_tx_purge(struct ath10k *ar)
3408{
3409 struct sk_buff *skb;
3410
3411 for (;;) {
3412 skb = skb_dequeue(&ar->wmi_mgmt_tx_queue);
3413 if (!skb)
3414 break;
3415
3416 ieee80211_free_txskb(ar->hw, skb);
3417 }
3418}
3419
3420void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work)
3421{
3422 struct ath10k *ar = container_of(work, struct ath10k, wmi_mgmt_tx_work);
3423 struct sk_buff *skb;
3424 int ret;
3425
3426 for (;;) {
3427 skb = skb_dequeue(&ar->wmi_mgmt_tx_queue);
3428 if (!skb)
3429 break;
3430
3431 ret = ath10k_wmi_mgmt_tx(ar, skb);
5fb5e41f 3432 if (ret) {
7aa7a72a 3433 ath10k_warn(ar, "failed to transmit management frame via WMI: %d\n",
be6546fc 3434 ret);
5fb5e41f
MK		 3435 ieee80211_free_txskb(ar->hw, skb);
3436 }
5e00d31a
BM		 3437 }
3438}
3439
5e3dd157
KV		 3440/************/
3441/* Scanning */
3442/************/
3443
5c81c7fd 3444void __ath10k_scan_finish(struct ath10k *ar)
5e3dd157 3445{
5c81c7fd 3446 lockdep_assert_held(&ar->data_lock);
5e3dd157 3447
5c81c7fd
MK		 3448 switch (ar->scan.state) {
3449 case ATH10K_SCAN_IDLE:
3450 break;
3451 case ATH10K_SCAN_RUNNING:
5c81c7fd
MK		 3452 if (ar->scan.is_roc)
3453 ieee80211_remain_on_channel_expired(ar->hw);
f6eaf1e0 3454 /* fall through */
7305d3e0
MK		 3455 case ATH10K_SCAN_ABORTING:
3456 if (!ar->scan.is_roc)
5c81c7fd
MK		 3457 ieee80211_scan_completed(ar->hw,
3458 (ar->scan.state ==
3459 ATH10K_SCAN_ABORTING));
3460 /* fall through */
3461 case ATH10K_SCAN_STARTING:
3462 ar->scan.state = ATH10K_SCAN_IDLE;
3463 ar->scan_channel = NULL;
3464 ath10k_offchan_tx_purge(ar);
3465 cancel_delayed_work(&ar->scan.timeout);
3466 complete_all(&ar->scan.completed);
3467 break;
5e3dd157 3468 }
5c81c7fd 3469}
5e3dd157 3470
5c81c7fd
MK		 3471void ath10k_scan_finish(struct ath10k *ar)
3472{
3473 spin_lock_bh(&ar->data_lock);
3474 __ath10k_scan_finish(ar);
5e3dd157
KV		 3475 spin_unlock_bh(&ar->data_lock);
3476}
3477
5c81c7fd 3478static int ath10k_scan_stop(struct ath10k *ar)
5e3dd157
KV		 3479{
3480 struct wmi_stop_scan_arg arg = {
3481 .req_id = 1, /* FIXME */
3482 .req_type = WMI_SCAN_STOP_ONE,
3483 .u.scan_id = ATH10K_SCAN_ID,
3484 };
3485 int ret;
3486
3487 lockdep_assert_held(&ar->conf_mutex);
3488
5e3dd157
KV		 3489 ret = ath10k_wmi_stop_scan(ar, &arg);
3490 if (ret) {
7aa7a72a 3491 ath10k_warn(ar, "failed to stop wmi scan: %d\n", ret);
5c81c7fd 3492 goto out;
5e3dd157
KV		 3493 }
3494
5e3dd157 3495 ret = wait_for_completion_timeout(&ar->scan.completed, 3*HZ);
5c81c7fd 3496 if (ret == 0) {
7aa7a72a 3497 ath10k_warn(ar, "failed to receive scan abortion completion: timed out\n");
5c81c7fd
MK		 3498 ret = -ETIMEDOUT;
3499 } else if (ret > 0) {
3500 ret = 0;
3501 }
5e3dd157 3502
5c81c7fd
MK		 3503out:
3504 /* Scan state should be updated upon scan completion but in case
3505 * firmware fails to deliver the event (for whatever reason) it is
3506 * desired to clean up scan state anyway. Firmware may have just
3507 * dropped the scan completion event delivery due to transport pipe
3508 * being overflown with data and/or it can recover on its own before
3509 * next scan request is submitted.
3510 */
3511 spin_lock_bh(&ar->data_lock);
3512 if (ar->scan.state != ATH10K_SCAN_IDLE)
3513 __ath10k_scan_finish(ar);
3514 spin_unlock_bh(&ar->data_lock);
3515
3516 return ret;
3517}
3518
3519static void ath10k_scan_abort(struct ath10k *ar)
3520{
3521 int ret;
3522
3523 lockdep_assert_held(&ar->conf_mutex);
5e3dd157
KV		 3524
3525 spin_lock_bh(&ar->data_lock);
5c81c7fd
MK		 3526
3527 switch (ar->scan.state) {
3528 case ATH10K_SCAN_IDLE:
3529 /* This can happen if timeout worker kicked in and called
3530 * abortion while scan completion was being processed.
3531 */
3532 break;
3533 case ATH10K_SCAN_STARTING:
3534 case ATH10K_SCAN_ABORTING:
7aa7a72a 3535 ath10k_warn(ar, "refusing scan abortion due to invalid scan state: %s (%d)\n",
5c81c7fd
MK		 3536 ath10k_scan_state_str(ar->scan.state),
3537 ar->scan.state);
3538 break;
3539 case ATH10K_SCAN_RUNNING:
3540 ar->scan.state = ATH10K_SCAN_ABORTING;
3541 spin_unlock_bh(&ar->data_lock);
3542
3543 ret = ath10k_scan_stop(ar);
3544 if (ret)
7aa7a72a 3545 ath10k_warn(ar, "failed to abort scan: %d\n", ret);
5c81c7fd
MK		 3546
3547 spin_lock_bh(&ar->data_lock);
3548 break;
5e3dd157 3549 }
5c81c7fd 3550
5e3dd157 3551 spin_unlock_bh(&ar->data_lock);
5c81c7fd 3552}
5e3dd157 3553
5c81c7fd
MK		 3554void ath10k_scan_timeout_work(struct work_struct *work)
3555{
3556 struct ath10k *ar = container_of(work, struct ath10k,
3557 scan.timeout.work);
3558
3559 mutex_lock(&ar->conf_mutex);
3560 ath10k_scan_abort(ar);
3561 mutex_unlock(&ar->conf_mutex);
5e3dd157
KV		 3562}
3563
3564static int ath10k_start_scan(struct ath10k *ar,
3565 const struct wmi_start_scan_arg *arg)
3566{
3567 int ret;
3568
3569 lockdep_assert_held(&ar->conf_mutex);
3570
3571 ret = ath10k_wmi_start_scan(ar, arg);
3572 if (ret)
3573 return ret;
3574
5e3dd157
KV		 3575 ret = wait_for_completion_timeout(&ar->scan.started, 1*HZ);
3576 if (ret == 0) {
5c81c7fd
MK		 3577 ret = ath10k_scan_stop(ar);
3578 if (ret)
7aa7a72a 3579 ath10k_warn(ar, "failed to stop scan: %d\n", ret);
5c81c7fd
MK		 3580
3581 return -ETIMEDOUT;
5e3dd157
KV		 3582 }
3583
2f9eec0b
BG		 3584 /* If we failed to start the scan, return error code at
3585 * this point. This is probably due to some issue in the
3586 * firmware, but no need to wedge the driver due to that...
3587 */
3588 spin_lock_bh(&ar->data_lock);
3589 if (ar->scan.state == ATH10K_SCAN_IDLE) {
3590 spin_unlock_bh(&ar->data_lock);
3591 return -EINVAL;
3592 }
3593 spin_unlock_bh(&ar->data_lock);
3594
5c81c7fd
MK		 3595 /* Add a 200ms margin to account for event/command processing */
3596 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout,
3597 msecs_to_jiffies(arg->max_scan_time+200));
5e3dd157
KV		 3598 return 0;
3599}
3600
3601/**********************/
3602/* mac80211 callbacks */
3603/**********************/
3604
3605static void ath10k_tx(struct ieee80211_hw *hw,
3606 struct ieee80211_tx_control *control,
3607 struct sk_buff *skb)
3608{
4b604558 3609 struct ath10k *ar = hw->priv;
5e3dd157 3610 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
4b604558 3611 struct ieee80211_vif *vif = info->control.vif;
75d85fd9 3612 struct ieee80211_sta *sta = control->sta;
5e3dd157 3613 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
d740d8fd 3614 __le16 fc = hdr->frame_control;
5e3dd157
KV		 3615
3616 /* We should disable CCK RATE due to P2P */
3617 if (info->flags & IEEE80211_TX_CTL_NO_CCK_RATE)
7aa7a72a 3618 ath10k_dbg(ar, ATH10K_DBG_MAC, "IEEE80211_TX_CTL_NO_CCK_RATE\n");
5e3dd157 3619
4b604558 3620 ATH10K_SKB_CB(skb)->htt.is_offchan = false;
6fcafef7 3621 ATH10K_SKB_CB(skb)->htt.freq = 0;
4b604558 3622 ATH10K_SKB_CB(skb)->htt.tid = ath10k_tx_h_get_tid(hdr);
2b37c295 3623 ATH10K_SKB_CB(skb)->vdev_id = ath10k_tx_h_get_vdev_id(ar, vif);
75d85fd9 3624 ATH10K_SKB_CB(skb)->txmode = ath10k_tx_h_get_txmode(ar, vif, sta, skb);
d740d8fd 3625 ATH10K_SKB_CB(skb)->is_protected = ieee80211_has_protected(fc);
5e3dd157 3626
d740d8fd
MK		 3627 switch (ATH10K_SKB_CB(skb)->txmode) {
3628 case ATH10K_HW_TXRX_MGMT:
3629 case ATH10K_HW_TXRX_NATIVE_WIFI:
4b604558 3630 ath10k_tx_h_nwifi(hw, skb);
4b604558
MK		 3631 ath10k_tx_h_add_p2p_noa_ie(ar, vif, skb);
3632 ath10k_tx_h_seq_no(vif, skb);
d740d8fd
MK		 3633 break;
3634 case ATH10K_HW_TXRX_ETHERNET:
3635 ath10k_tx_h_8023(skb);
3636 break;
3637 case ATH10K_HW_TXRX_RAW:
3638 /* FIXME: Packet injection isn't implemented. It should be
3639 * doable with firmware 10.2 on qca988x.
3640 */
3641 WARN_ON_ONCE(1);
3642 ieee80211_free_txskb(hw, skb);
3643 return;
cf84bd4d 3644 }
5e3dd157 3645
5e3dd157
KV		 3646 if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN) {
3647 spin_lock_bh(&ar->data_lock);
8d6d3624 3648 ATH10K_SKB_CB(skb)->htt.freq = ar->scan.roc_freq;
5e00d31a 3649 ATH10K_SKB_CB(skb)->vdev_id = ar->scan.vdev_id;
5e3dd157
KV		 3650 spin_unlock_bh(&ar->data_lock);
3651
8d6d3624
MK		 3652 if (ath10k_mac_need_offchan_tx_work(ar)) {
3653 ATH10K_SKB_CB(skb)->htt.freq = 0;
3654 ATH10K_SKB_CB(skb)->htt.is_offchan = true;
5e3dd157 3655
8d6d3624
MK		 3656 ath10k_dbg(ar, ATH10K_DBG_MAC, "queued offchannel skb %p\n",
3657 skb);
3658
3659 skb_queue_tail(&ar->offchan_tx_queue, skb);
3660 ieee80211_queue_work(hw, &ar->offchan_tx_work);
3661 return;
3662 }
5e3dd157
KV		 3663 }
3664
d740d8fd 3665 ath10k_mac_tx(ar, skb);
5e3dd157
KV		 3666}
3667
bca7bafb 3668/* Must not be called with conf_mutex held as workers can use that also. */
7962b0d8 3669void ath10k_drain_tx(struct ath10k *ar)
bca7bafb
MK		 3670{
3671 /* make sure rcu-protected mac80211 tx path itself is drained */
3672 synchronize_net();
3673
3674 ath10k_offchan_tx_purge(ar);
3675 ath10k_mgmt_over_wmi_tx_purge(ar);
3676
3677 cancel_work_sync(&ar->offchan_tx_work);
3678 cancel_work_sync(&ar->wmi_mgmt_tx_work);
3679}
3680
affd3217 3681void ath10k_halt(struct ath10k *ar)
818bdd16 3682{
d9bc4b9b
MK		 3683 struct ath10k_vif *arvif;
3684
818bdd16
MK		 3685 lockdep_assert_held(&ar->conf_mutex);
3686
1933747f
MK		 3687 clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
3688 ar->filter_flags = 0;
3689 ar->monitor = false;
500ff9f9 3690 ar->monitor_arvif = NULL;
1933747f
MK		 3691
3692 if (ar->monitor_started)
1bbc0975 3693 ath10k_monitor_stop(ar);
1933747f
MK		 3694
3695 ar->monitor_started = false;
96d828d4 3696 ar->tx_paused = 0;
1bbc0975 3697
5c81c7fd 3698 ath10k_scan_finish(ar);
818bdd16
MK		 3699 ath10k_peer_cleanup_all(ar);
3700 ath10k_core_stop(ar);
3701 ath10k_hif_power_down(ar);
3702
3703 spin_lock_bh(&ar->data_lock);
64badcb6
MK		 3704 list_for_each_entry(arvif, &ar->arvifs, list)
3705 ath10k_mac_vif_beacon_cleanup(arvif);
818bdd16
MK		 3706 spin_unlock_bh(&ar->data_lock);
3707}
3708
46acf7bb
BG		 3709static int ath10k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
3710{
3711 struct ath10k *ar = hw->priv;
3712
3713 mutex_lock(&ar->conf_mutex);
3714
3715 if (ar->cfg_tx_chainmask) {
3716 *tx_ant = ar->cfg_tx_chainmask;
3717 *rx_ant = ar->cfg_rx_chainmask;
3718 } else {
3719 *tx_ant = ar->supp_tx_chainmask;
3720 *rx_ant = ar->supp_rx_chainmask;
3721 }
3722
3723 mutex_unlock(&ar->conf_mutex);
3724
3725 return 0;
3726}
3727
5572a95b
BG		 3728static void ath10k_check_chain_mask(struct ath10k *ar, u32 cm, const char *dbg)
3729{
3730 /* It is not clear that allowing gaps in chainmask
3731 * is helpful. Probably it will not do what user
3732 * is hoping for, so warn in that case.
3733 */
3734 if (cm == 15 || cm == 7 || cm == 3 || cm == 1 || cm == 0)
3735 return;
3736
3737 ath10k_warn(ar, "mac %s antenna chainmask may be invalid: 0x%x. Suggested values: 15, 7, 3, 1 or 0.\n",
3738 dbg, cm);
3739}
3740
46acf7bb
BG		 3741static int __ath10k_set_antenna(struct ath10k *ar, u32 tx_ant, u32 rx_ant)
3742{
3743 int ret;
3744
3745 lockdep_assert_held(&ar->conf_mutex);
3746
5572a95b
BG		 3747 ath10k_check_chain_mask(ar, tx_ant, "tx");
3748 ath10k_check_chain_mask(ar, rx_ant, "rx");
3749
46acf7bb
BG		 3750 ar->cfg_tx_chainmask = tx_ant;
3751 ar->cfg_rx_chainmask = rx_ant;
3752
3753 if ((ar->state != ATH10K_STATE_ON) &&
3754 (ar->state != ATH10K_STATE_RESTARTED))
3755 return 0;
3756
3757 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->tx_chain_mask,
3758 tx_ant);
3759 if (ret) {
7aa7a72a 3760 ath10k_warn(ar, "failed to set tx-chainmask: %d, req 0x%x\n",
46acf7bb
BG		 3761 ret, tx_ant);
3762 return ret;
3763 }
3764
3765 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->rx_chain_mask,
3766 rx_ant);
3767 if (ret) {
7aa7a72a 3768 ath10k_warn(ar, "failed to set rx-chainmask: %d, req 0x%x\n",
46acf7bb
BG		 3769 ret, rx_ant);
3770 return ret;
3771 }
3772
3773 return 0;
3774}
3775
3776static int ath10k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
3777{
3778 struct ath10k *ar = hw->priv;
3779 int ret;
3780
3781 mutex_lock(&ar->conf_mutex);
3782 ret = __ath10k_set_antenna(ar, tx_ant, rx_ant);
3783 mutex_unlock(&ar->conf_mutex);
3784 return ret;
3785}
3786
5e3dd157
KV		 3787static int ath10k_start(struct ieee80211_hw *hw)
3788{
3789 struct ath10k *ar = hw->priv;
24ab13ef 3790 u32 burst_enable;
818bdd16 3791 int ret = 0;
5e3dd157 3792
bca7bafb
MK		 3793 /*
3794 * This makes sense only when restarting hw. It is harmless to call
3795 * uncoditionally. This is necessary to make sure no HTT/WMI tx
3796 * commands will be submitted while restarting.
3797 */
3798 ath10k_drain_tx(ar);
3799
548db54c
MK		 3800 mutex_lock(&ar->conf_mutex);
3801
c5058f5b
MK		 3802 switch (ar->state) {
3803 case ATH10K_STATE_OFF:
3804 ar->state = ATH10K_STATE_ON;
3805 break;
3806 case ATH10K_STATE_RESTARTING:
3807 ath10k_halt(ar);
3808 ar->state = ATH10K_STATE_RESTARTED;
3809 break;
3810 case ATH10K_STATE_ON:
3811 case ATH10K_STATE_RESTARTED:
3812 case ATH10K_STATE_WEDGED:
3813 WARN_ON(1);
818bdd16 3814 ret = -EINVAL;
ae254433 3815 goto err;
43d2a30f
KV		 3816 case ATH10K_STATE_UTF:
3817 ret = -EBUSY;
3818 goto err;
818bdd16
MK		 3819 }
3820
3821 ret = ath10k_hif_power_up(ar);
3822 if (ret) {
7aa7a72a 3823 ath10k_err(ar, "Could not init hif: %d\n", ret);
ae254433 3824 goto err_off;
818bdd16
MK		 3825 }
3826
43d2a30f 3827 ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL);
818bdd16 3828 if (ret) {
7aa7a72a 3829 ath10k_err(ar, "Could not init core: %d\n", ret);
ae254433 3830 goto err_power_down;
818bdd16
MK		 3831 }
3832
226a339b 3833 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->pmf_qos, 1);
ae254433 3834 if (ret) {
7aa7a72a 3835 ath10k_warn(ar, "failed to enable PMF QOS: %d\n", ret);
ae254433
MK		 3836 goto err_core_stop;
3837 }
5e3dd157 3838
c4dd0d01 3839 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->dynamic_bw, 1);
ae254433 3840 if (ret) {
7aa7a72a 3841 ath10k_warn(ar, "failed to enable dynamic BW: %d\n", ret);
ae254433
MK		 3842 goto err_core_stop;
3843 }
5e3dd157 3844
cf32784c
MK		 3845 if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) {
3846 ret = ath10k_wmi_adaptive_qcs(ar, true);
3847 if (ret) {
3848 ath10k_warn(ar, "failed to enable adaptive qcs: %d\n",
3849 ret);
3850 goto err_core_stop;
3851 }
3852 }
3853
24ab13ef
JD		 3854 if (test_bit(WMI_SERVICE_BURST, ar->wmi.svc_map)) {
3855 burst_enable = ar->wmi.pdev_param->burst_enable;
3856 ret = ath10k_wmi_pdev_set_param(ar, burst_enable, 0);
3857 if (ret) {
3858 ath10k_warn(ar, "failed to disable burst: %d\n", ret);
3859 goto err_core_stop;
3860 }
3861 }
3862
46acf7bb
BG		 3863 if (ar->cfg_tx_chainmask)
3864 __ath10k_set_antenna(ar, ar->cfg_tx_chainmask,
3865 ar->cfg_rx_chainmask);
3866
ab6258ed
MP		 3867 /*
3868 * By default FW set ARP frames ac to voice (6). In that case ARP
3869 * exchange is not working properly for UAPSD enabled AP. ARP requests
3870 * which arrives with access category 0 are processed by network stack
3871 * and send back with access category 0, but FW changes access category
3872 * to 6. Set ARP frames access category to best effort (0) solves
3873 * this problem.
3874 */
3875
3876 ret = ath10k_wmi_pdev_set_param(ar,
3877 ar->wmi.pdev_param->arp_ac_override, 0);
3878 if (ret) {
7aa7a72a 3879 ath10k_warn(ar, "failed to set arp ac override parameter: %d\n",
ab6258ed 3880 ret);
ae254433 3881 goto err_core_stop;
ab6258ed
MP		 3882 }
3883
575f1c3d
ARN		 3884 ret = ath10k_wmi_pdev_set_param(ar,
3885 ar->wmi.pdev_param->ani_enable, 1);
3886 if (ret) {
3887 ath10k_warn(ar, "failed to enable ani by default: %d\n",
3888 ret);
3889 goto err_core_stop;
3890 }
3891
b3e71d7a
ARN		 3892 ar->ani_enabled = true;
3893
d650097b 3894 ar->num_started_vdevs = 0;
f7843d7f
MK		 3895 ath10k_regd_update(ar);
3896
855aed12 3897 ath10k_spectral_start(ar);
8515b5c7 3898 ath10k_thermal_set_throttling(ar);
855aed12 3899
ae254433
MK		 3900 mutex_unlock(&ar->conf_mutex);
3901 return 0;
3902
3903err_core_stop:
3904 ath10k_core_stop(ar);
3905
3906err_power_down:
3907 ath10k_hif_power_down(ar);
3908
3909err_off:
3910 ar->state = ATH10K_STATE_OFF;
3911
3912err:
548db54c 3913 mutex_unlock(&ar->conf_mutex);
c60bdd83 3914 return ret;
5e3dd157
KV		 3915}
3916
3917static void ath10k_stop(struct ieee80211_hw *hw)
3918{
3919 struct ath10k *ar = hw->priv;
3920
bca7bafb
MK		 3921 ath10k_drain_tx(ar);
3922
548db54c 3923 mutex_lock(&ar->conf_mutex);
c5058f5b 3924 if (ar->state != ATH10K_STATE_OFF) {
818bdd16 3925 ath10k_halt(ar);
c5058f5b
MK		 3926 ar->state = ATH10K_STATE_OFF;
3927 }
548db54c
MK		 3928 mutex_unlock(&ar->conf_mutex);
3929
5c81c7fd 3930 cancel_delayed_work_sync(&ar->scan.timeout);
affd3217 3931 cancel_work_sync(&ar->restart_work);
5e3dd157
KV		 3932}
3933
ad088bfa 3934static int ath10k_config_ps(struct ath10k *ar)
5e3dd157 3935{
ad088bfa
MK		 3936 struct ath10k_vif *arvif;
3937 int ret = 0;
affd3217
MK		 3938
3939 lockdep_assert_held(&ar->conf_mutex);
3940
ad088bfa
MK		 3941 list_for_each_entry(arvif, &ar->arvifs, list) {
3942 ret = ath10k_mac_vif_setup_ps(arvif);
3943 if (ret) {
7aa7a72a 3944 ath10k_warn(ar, "failed to setup powersave: %d\n", ret);
ad088bfa
MK		 3945 break;
3946 }
3947 }
affd3217 3948
ad088bfa 3949 return ret;
affd3217
MK		 3950}
3951
7d9d5587
MK		 3952static int ath10k_mac_txpower_setup(struct ath10k *ar, int txpower)
3953{
3954 int ret;
3955 u32 param;
3956
3957 lockdep_assert_held(&ar->conf_mutex);
3958
3959 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac txpower %d\n", txpower);
3960
3961 param = ar->wmi.pdev_param->txpower_limit2g;
3962 ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2);
3963 if (ret) {
3964 ath10k_warn(ar, "failed to set 2g txpower %d: %d\n",
3965 txpower, ret);
3966 return ret;
3967 }
3968
3969 param = ar->wmi.pdev_param->txpower_limit5g;
3970 ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2);
3971 if (ret) {
3972 ath10k_warn(ar, "failed to set 5g txpower %d: %d\n",
3973 txpower, ret);
3974 return ret;
3975 }
3976
3977 return 0;
3978}
3979
3980static int ath10k_mac_txpower_recalc(struct ath10k *ar)
3981{
3982 struct ath10k_vif *arvif;
3983 int ret, txpower = -1;
3984
3985 lockdep_assert_held(&ar->conf_mutex);
3986
3987 list_for_each_entry(arvif, &ar->arvifs, list) {
3988 WARN_ON(arvif->txpower < 0);
3989
3990 if (txpower == -1)
3991 txpower = arvif->txpower;
3992 else
3993 txpower = min(txpower, arvif->txpower);
3994 }
3995
3996 if (WARN_ON(txpower == -1))
3997 return -EINVAL;
3998
3999 ret = ath10k_mac_txpower_setup(ar, txpower);
4000 if (ret) {
4001 ath10k_warn(ar, "failed to setup tx power %d: %d\n",
4002 txpower, ret);
4003 return ret;
4004 }
4005
4006 return 0;
4007}
4008
affd3217
MK		 4009static int ath10k_config(struct ieee80211_hw *hw, u32 changed)
4010{
5e3dd157
KV		 4011 struct ath10k *ar = hw->priv;
4012 struct ieee80211_conf *conf = &hw->conf;
4013 int ret = 0;
5e3dd157
KV		 4014
4015 mutex_lock(&ar->conf_mutex);
4016
affd3217
MK		 4017 if (changed & IEEE80211_CONF_CHANGE_PS)
4018 ath10k_config_ps(ar);
5e3dd157
KV		 4019
4020 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
1933747f
MK		 4021 ar->monitor = conf->flags & IEEE80211_CONF_MONITOR;
4022 ret = ath10k_monitor_recalc(ar);
4023 if (ret)
4024 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
5e3dd157
KV		 4025 }
4026
4027 mutex_unlock(&ar->conf_mutex);
4028 return ret;
4029}
4030
5572a95b
BG		 4031static u32 get_nss_from_chainmask(u16 chain_mask)
4032{
4033 if ((chain_mask & 0x15) == 0x15)
4034 return 4;
4035 else if ((chain_mask & 0x7) == 0x7)
4036 return 3;
4037 else if ((chain_mask & 0x3) == 0x3)
4038 return 2;
4039 return 1;
4040}
4041
5e3dd157
KV		 4042/*
4043 * TODO:
4044 * Figure out how to handle WMI_VDEV_SUBTYPE_P2P_DEVICE,
4045 * because we will send mgmt frames without CCK. This requirement
4046 * for P2P_FIND/GO_NEG should be handled by checking CCK flag
4047 * in the TX packet.
4048 */
4049static int ath10k_add_interface(struct ieee80211_hw *hw,
4050 struct ieee80211_vif *vif)
4051{
4052 struct ath10k *ar = hw->priv;
4053 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4054 enum wmi_sta_powersave_param param;
4055 int ret = 0;
5a13e76e 4056 u32 value;
5e3dd157 4057 int bit;
96d828d4 4058 int i;
6d1506e7 4059 u32 vdev_param;
5e3dd157 4060
848955cc
JB		 4061 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
4062
5e3dd157
KV		 4063 mutex_lock(&ar->conf_mutex);
4064
0dbd09e6
MK		 4065 memset(arvif, 0, sizeof(*arvif));
4066
5e3dd157
KV		 4067 arvif->ar = ar;
4068 arvif->vif = vif;
4069
e63b33f3 4070 INIT_LIST_HEAD(&arvif->list);
81a9a17d 4071 INIT_WORK(&arvif->ap_csa_work, ath10k_mac_vif_ap_csa_work);
cc9904e6
MK		 4072 INIT_DELAYED_WORK(&arvif->connection_loss_work,
4073 ath10k_mac_vif_sta_connection_loss_work);
cc4827b9 4074
45c9abc0
MK		 4075 for (i = 0; i < ARRAY_SIZE(arvif->bitrate_mask.control); i++) {
4076 arvif->bitrate_mask.control[i].legacy = 0xffffffff;
4077 memset(arvif->bitrate_mask.control[i].ht_mcs, 0xff,
4078 sizeof(arvif->bitrate_mask.control[i].ht_mcs));
4079 memset(arvif->bitrate_mask.control[i].vht_mcs, 0xff,
4080 sizeof(arvif->bitrate_mask.control[i].vht_mcs));
4081 }
cc4827b9 4082
a9aefb3b 4083 if (ar->free_vdev_map == 0) {
7aa7a72a 4084 ath10k_warn(ar, "Free vdev map is empty, no more interfaces allowed.\n");
5e3dd157 4085 ret = -EBUSY;
9dad14ae 4086 goto err;
5e3dd157 4087 }
16c11176 4088 bit = __ffs64(ar->free_vdev_map);
5e3dd157 4089
16c11176
BG		 4090 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac create vdev %i map %llx\n",
4091 bit, ar->free_vdev_map);
5e3dd157 4092
16c11176 4093 arvif->vdev_id = bit;
5e3dd157 4094 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_NONE;
5e3dd157 4095
5e3dd157 4096 switch (vif->type) {
75d2bd48
MK		 4097 case NL80211_IFTYPE_P2P_DEVICE:
4098 arvif->vdev_type = WMI_VDEV_TYPE_STA;
4099 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_DEVICE;
4100 break;
5e3dd157
KV		 4101 case NL80211_IFTYPE_UNSPECIFIED:
4102 case NL80211_IFTYPE_STATION:
4103 arvif->vdev_type = WMI_VDEV_TYPE_STA;
4104 if (vif->p2p)
4105 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_CLIENT;
4106 break;
4107 case NL80211_IFTYPE_ADHOC:
4108 arvif->vdev_type = WMI_VDEV_TYPE_IBSS;
4109 break;
4110 case NL80211_IFTYPE_AP:
4111 arvif->vdev_type = WMI_VDEV_TYPE_AP;
4112
4113 if (vif->p2p)
4114 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_GO;
4115 break;
4116 case NL80211_IFTYPE_MONITOR:
4117 arvif->vdev_type = WMI_VDEV_TYPE_MONITOR;
4118 break;
4119 default:
4120 WARN_ON(1);
4121 break;
4122 }
4123
96d828d4
MK		 4124 /* Using vdev_id as queue number will make it very easy to do per-vif
4125 * tx queue locking. This shouldn't wrap due to interface combinations
4126 * but do a modulo for correctness sake and prevent using offchannel tx
4127 * queues for regular vif tx.
4128 */
4129 vif->cab_queue = arvif->vdev_id % (IEEE80211_MAX_QUEUES - 1);
4130 for (i = 0; i < ARRAY_SIZE(vif->hw_queue); i++)
4131 vif->hw_queue[i] = arvif->vdev_id % (IEEE80211_MAX_QUEUES - 1);
4132
64badcb6
MK		 4133 /* Some firmware revisions don't wait for beacon tx completion before
4134 * sending another SWBA event. This could lead to hardware using old
4135 * (freed) beacon data in some cases, e.g. tx credit starvation
4136 * combined with missed TBTT. This is very very rare.
4137 *
4138 * On non-IOMMU-enabled hosts this could be a possible security issue
4139 * because hw could beacon some random data on the air. On
4140 * IOMMU-enabled hosts DMAR faults would occur in most cases and target
4141 * device would crash.
4142 *
4143 * Since there are no beacon tx completions (implicit nor explicit)
4144 * propagated to host the only workaround for this is to allocate a
4145 * DMA-coherent buffer for a lifetime of a vif and use it for all
4146 * beacon tx commands. Worst case for this approach is some beacons may
4147 * become corrupted, e.g. have garbled IEs or out-of-date TIM bitmap.
4148 */
4149 if (vif->type == NL80211_IFTYPE_ADHOC ||
4150 vif->type == NL80211_IFTYPE_AP) {
4151 arvif->beacon_buf = dma_zalloc_coherent(ar->dev,
4152 IEEE80211_MAX_FRAME_LEN,
4153 &arvif->beacon_paddr,
82d7aba7 4154 GFP_ATOMIC);
64badcb6
MK		 4155 if (!arvif->beacon_buf) {
4156 ret = -ENOMEM;
4157 ath10k_warn(ar, "failed to allocate beacon buffer: %d\n",
4158 ret);
4159 goto err;
4160 }
4161 }
4162
4163 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev create %d (add interface) type %d subtype %d bcnmode %s\n",
4164 arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype,
4165 arvif->beacon_buf ? "single-buf" : "per-skb");
5e3dd157
KV		 4166
4167 ret = ath10k_wmi_vdev_create(ar, arvif->vdev_id, arvif->vdev_type,
4168 arvif->vdev_subtype, vif->addr);
4169 if (ret) {
7aa7a72a 4170 ath10k_warn(ar, "failed to create WMI vdev %i: %d\n",
69244e56 4171 arvif->vdev_id, ret);
9dad14ae 4172 goto err;
5e3dd157
KV		 4173 }
4174
16c11176 4175 ar->free_vdev_map &= ~(1LL << arvif->vdev_id);
0579119f 4176 list_add(&arvif->list, &ar->arvifs);
9dad14ae 4177
46725b15
MK		 4178 /* It makes no sense to have firmware do keepalives. mac80211 already
4179 * takes care of this with idle connection polling.
4180 */
4181 ret = ath10k_mac_vif_disable_keepalive(arvif);
9dad14ae 4182 if (ret) {
46725b15 4183 ath10k_warn(ar, "failed to disable keepalive on vdev %i: %d\n",
69244e56 4184 arvif->vdev_id, ret);
9dad14ae
MK		 4185 goto err_vdev_delete;
4186 }
5e3dd157 4187
627613f8 4188 arvif->def_wep_key_idx = -1;
5e3dd157 4189
6d1506e7
BM		 4190 vdev_param = ar->wmi.vdev_param->tx_encap_type;
4191 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
5e3dd157 4192 ATH10K_HW_TXRX_NATIVE_WIFI);
ebc9abdd 4193 /* 10.X firmware does not support this VDEV parameter. Do not warn */
9dad14ae 4194 if (ret && ret != -EOPNOTSUPP) {
7aa7a72a 4195 ath10k_warn(ar, "failed to set vdev %i TX encapsulation: %d\n",
69244e56 4196 arvif->vdev_id, ret);
9dad14ae
MK		 4197 goto err_vdev_delete;
4198 }
5e3dd157 4199
5572a95b
BG		 4200 if (ar->cfg_tx_chainmask) {
4201 u16 nss = get_nss_from_chainmask(ar->cfg_tx_chainmask);
4202
4203 vdev_param = ar->wmi.vdev_param->nss;
4204 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4205 nss);
4206 if (ret) {
4207 ath10k_warn(ar, "failed to set vdev %i chainmask 0x%x, nss %i: %d\n",
4208 arvif->vdev_id, ar->cfg_tx_chainmask, nss,
4209 ret);
4210 goto err_vdev_delete;
4211 }
4212 }
4213
e57e0571
MK		 4214 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4215 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
7390ed34
MP		 4216 ret = ath10k_peer_create(ar, arvif->vdev_id, vif->addr,
4217 WMI_PEER_TYPE_DEFAULT);
5e3dd157 4218 if (ret) {
e57e0571 4219 ath10k_warn(ar, "failed to create vdev %i peer for AP/IBSS: %d\n",
69244e56 4220 arvif->vdev_id, ret);
9dad14ae 4221 goto err_vdev_delete;
5e3dd157 4222 }
e57e0571 4223 }
cdf07409 4224
e57e0571 4225 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
5a13e76e
KV		 4226 ret = ath10k_mac_set_kickout(arvif);
4227 if (ret) {
7aa7a72a 4228 ath10k_warn(ar, "failed to set vdev %i kickout parameters: %d\n",
69244e56 4229 arvif->vdev_id, ret);
5a13e76e
KV		 4230 goto err_peer_delete;
4231 }
5e3dd157
KV		 4232 }
4233
4234 if (arvif->vdev_type == WMI_VDEV_TYPE_STA) {
4235 param = WMI_STA_PS_PARAM_RX_WAKE_POLICY;
4236 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;
4237 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
4238 param, value);
9dad14ae 4239 if (ret) {
7aa7a72a 4240 ath10k_warn(ar, "failed to set vdev %i RX wake policy: %d\n",
69244e56 4241 arvif->vdev_id, ret);
9dad14ae
MK		 4242 goto err_peer_delete;
4243 }
5e3dd157 4244
9f9b5746 4245 ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif);
9dad14ae 4246 if (ret) {
9f9b5746 4247 ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n",
69244e56 4248 arvif->vdev_id, ret);
9dad14ae
MK		 4249 goto err_peer_delete;
4250 }
5e3dd157 4251
9f9b5746 4252 ret = ath10k_mac_vif_recalc_ps_poll_count(arvif);
9dad14ae 4253 if (ret) {
9f9b5746 4254 ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n",
69244e56 4255 arvif->vdev_id, ret);
9dad14ae
MK		 4256 goto err_peer_delete;
4257 }
5e3dd157
KV		 4258 }
4259
424121c3 4260 ret = ath10k_mac_set_rts(arvif, ar->hw->wiphy->rts_threshold);
9dad14ae 4261 if (ret) {
7aa7a72a 4262 ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n",
679c54a6 4263 arvif->vdev_id, ret);
9dad14ae
MK		 4264 goto err_peer_delete;
4265 }
679c54a6 4266
424121c3 4267 ret = ath10k_mac_set_frag(arvif, ar->hw->wiphy->frag_threshold);
9dad14ae 4268 if (ret) {
7aa7a72a 4269 ath10k_warn(ar, "failed to set frag threshold for vdev %d: %d\n",
679c54a6 4270 arvif->vdev_id, ret);
9dad14ae
MK		 4271 goto err_peer_delete;
4272 }
679c54a6 4273
7d9d5587
MK		 4274 arvif->txpower = vif->bss_conf.txpower;
4275 ret = ath10k_mac_txpower_recalc(ar);
4276 if (ret) {
4277 ath10k_warn(ar, "failed to recalc tx power: %d\n", ret);
4278 goto err_peer_delete;
4279 }
4280
500ff9f9
MK		 4281 if (vif->type == NL80211_IFTYPE_MONITOR) {
4282 ar->monitor_arvif = arvif;
4283 ret = ath10k_monitor_recalc(ar);
4284 if (ret) {
4285 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
4286 goto err_peer_delete;
4287 }
4288 }
4289
5e3dd157 4290 mutex_unlock(&ar->conf_mutex);
9dad14ae
MK		 4291 return 0;
4292
4293err_peer_delete:
e57e0571
MK		 4294 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4295 arvif->vdev_type == WMI_VDEV_TYPE_IBSS)
9dad14ae
MK		 4296 ath10k_wmi_peer_delete(ar, arvif->vdev_id, vif->addr);
4297
4298err_vdev_delete:
4299 ath10k_wmi_vdev_delete(ar, arvif->vdev_id);
16c11176 4300 ar->free_vdev_map |= 1LL << arvif->vdev_id;
0579119f 4301 list_del(&arvif->list);
9dad14ae
MK		 4302
4303err:
64badcb6
MK		 4304 if (arvif->beacon_buf) {
4305 dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN,
4306 arvif->beacon_buf, arvif->beacon_paddr);
4307 arvif->beacon_buf = NULL;
4308 }
4309
9dad14ae
MK		 4310 mutex_unlock(&ar->conf_mutex);
4311
5e3dd157
KV		 4312 return ret;
4313}
4314
b4aa539d
MK		 4315static void ath10k_mac_vif_tx_unlock_all(struct ath10k_vif *arvif)
4316{
4317 int i;
4318
4319 for (i = 0; i < BITS_PER_LONG; i++)
4320 ath10k_mac_vif_tx_unlock(arvif, i);
4321}
4322
5e3dd157
KV		 4323static void ath10k_remove_interface(struct ieee80211_hw *hw,
4324 struct ieee80211_vif *vif)
4325{
4326 struct ath10k *ar = hw->priv;
4327 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4328 int ret;
4329
81a9a17d 4330 cancel_work_sync(&arvif->ap_csa_work);
cc9904e6 4331 cancel_delayed_work_sync(&arvif->connection_loss_work);
81a9a17d 4332
5d011f5c
SM		 4333 mutex_lock(&ar->conf_mutex);
4334
ed54388a 4335 spin_lock_bh(&ar->data_lock);
64badcb6 4336 ath10k_mac_vif_beacon_cleanup(arvif);
ed54388a
MK		 4337 spin_unlock_bh(&ar->data_lock);
4338
855aed12
SW		 4339 ret = ath10k_spectral_vif_stop(arvif);
4340 if (ret)
7aa7a72a 4341 ath10k_warn(ar, "failed to stop spectral for vdev %i: %d\n",
855aed12
SW		 4342 arvif->vdev_id, ret);
4343
16c11176 4344 ar->free_vdev_map |= 1LL << arvif->vdev_id;
0579119f 4345 list_del(&arvif->list);
5e3dd157 4346
e57e0571
MK		 4347 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4348 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
2c512059
MK		 4349 ret = ath10k_wmi_peer_delete(arvif->ar, arvif->vdev_id,
4350 vif->addr);
5e3dd157 4351 if (ret)
e57e0571 4352 ath10k_warn(ar, "failed to submit AP/IBSS self-peer removal on vdev %i: %d\n",
69244e56 4353 arvif->vdev_id, ret);
5e3dd157
KV		 4354
4355 kfree(arvif->u.ap.noa_data);
4356 }
4357
7aa7a72a 4358 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i delete (remove interface)\n",
60c3daa8
KV		 4359 arvif->vdev_id);
4360
5e3dd157
KV		 4361 ret = ath10k_wmi_vdev_delete(ar, arvif->vdev_id);
4362 if (ret)
7aa7a72a 4363 ath10k_warn(ar, "failed to delete WMI vdev %i: %d\n",
69244e56 4364 arvif->vdev_id, ret);
5e3dd157 4365
2c512059
MK		 4366 /* Some firmware revisions don't notify host about self-peer removal
4367 * until after associated vdev is deleted.
4368 */
e57e0571
MK		 4369 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4370 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
2c512059
MK		 4371 ret = ath10k_wait_for_peer_deleted(ar, arvif->vdev_id,
4372 vif->addr);
4373 if (ret)
4374 ath10k_warn(ar, "failed to remove AP self-peer on vdev %i: %d\n",
4375 arvif->vdev_id, ret);
4376
4377 spin_lock_bh(&ar->data_lock);
4378 ar->num_peers--;
4379 spin_unlock_bh(&ar->data_lock);
4380 }
4381
5e3dd157
KV		 4382 ath10k_peer_cleanup(ar, arvif->vdev_id);
4383
500ff9f9
MK		 4384 if (vif->type == NL80211_IFTYPE_MONITOR) {
4385 ar->monitor_arvif = NULL;
4386 ret = ath10k_monitor_recalc(ar);
4387 if (ret)
4388 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
4389 }
4390
b4aa539d
MK		 4391 spin_lock_bh(&ar->htt.tx_lock);
4392 ath10k_mac_vif_tx_unlock_all(arvif);
4393 spin_unlock_bh(&ar->htt.tx_lock);
4394
5e3dd157
KV		 4395 mutex_unlock(&ar->conf_mutex);
4396}
4397
4398/*
4399 * FIXME: Has to be verified.
4400 */
4401#define SUPPORTED_FILTERS \
df140465 4402 (FIF_ALLMULTI | \
5e3dd157
KV		 4403 FIF_CONTROL | \
4404 FIF_PSPOLL | \
4405 FIF_OTHER_BSS | \
4406 FIF_BCN_PRBRESP_PROMISC | \
4407 FIF_PROBE_REQ | \
4408 FIF_FCSFAIL)
4409
4410static void ath10k_configure_filter(struct ieee80211_hw *hw,
4411 unsigned int changed_flags,
4412 unsigned int *total_flags,
4413 u64 multicast)
4414{
4415 struct ath10k *ar = hw->priv;
4416 int ret;
4417
4418 mutex_lock(&ar->conf_mutex);
4419
4420 changed_flags &= SUPPORTED_FILTERS;
4421 *total_flags &= SUPPORTED_FILTERS;
4422 ar->filter_flags = *total_flags;
4423
1933747f
MK		 4424 ret = ath10k_monitor_recalc(ar);
4425 if (ret)
4426 ath10k_warn(ar, "failed to recalc montior: %d\n", ret);
5e3dd157
KV		 4427
4428 mutex_unlock(&ar->conf_mutex);
4429}
4430
4431static void ath10k_bss_info_changed(struct ieee80211_hw *hw,
4432 struct ieee80211_vif *vif,
4433 struct ieee80211_bss_conf *info,
4434 u32 changed)
4435{
4436 struct ath10k *ar = hw->priv;
4437 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4438 int ret = 0;
af762c0b 4439 u32 vdev_param, pdev_param, slottime, preamble;
5e3dd157
KV		 4440
4441 mutex_lock(&ar->conf_mutex);
4442
4443 if (changed & BSS_CHANGED_IBSS)
4444 ath10k_control_ibss(arvif, info, vif->addr);
4445
4446 if (changed & BSS_CHANGED_BEACON_INT) {
4447 arvif->beacon_interval = info->beacon_int;
6d1506e7
BM		 4448 vdev_param = ar->wmi.vdev_param->beacon_interval;
4449 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
5e3dd157 4450 arvif->beacon_interval);
7aa7a72a 4451 ath10k_dbg(ar, ATH10K_DBG_MAC,
60c3daa8
KV		 4452 "mac vdev %d beacon_interval %d\n",
4453 arvif->vdev_id, arvif->beacon_interval);
4454
5e3dd157 4455 if (ret)
7aa7a72a 4456 ath10k_warn(ar, "failed to set beacon interval for vdev %d: %i\n",
69244e56 4457 arvif->vdev_id, ret);
5e3dd157
KV		 4458 }
4459
4460 if (changed & BSS_CHANGED_BEACON) {
7aa7a72a 4461 ath10k_dbg(ar, ATH10K_DBG_MAC,
60c3daa8
KV		 4462 "vdev %d set beacon tx mode to staggered\n",
4463 arvif->vdev_id);
4464
226a339b
BM		 4465 pdev_param = ar->wmi.pdev_param->beacon_tx_mode;
4466 ret = ath10k_wmi_pdev_set_param(ar, pdev_param,
5e3dd157
KV		 4467 WMI_BEACON_STAGGERED_MODE);
4468 if (ret)
7aa7a72a 4469 ath10k_warn(ar, "failed to set beacon mode for vdev %d: %i\n",
69244e56 4470 arvif->vdev_id, ret);
fbb8f1b7
MK		 4471
4472 ret = ath10k_mac_setup_bcn_tmpl(arvif);
4473 if (ret)
4474 ath10k_warn(ar, "failed to update beacon template: %d\n",
4475 ret);
4476 }
4477
4478 if (changed & BSS_CHANGED_AP_PROBE_RESP) {
4479 ret = ath10k_mac_setup_prb_tmpl(arvif);
4480 if (ret)
4481 ath10k_warn(ar, "failed to setup probe resp template on vdev %i: %d\n",
4482 arvif->vdev_id, ret);
5e3dd157
KV		 4483 }
4484
ba2479fe 4485 if (changed & (BSS_CHANGED_BEACON_INFO | BSS_CHANGED_BEACON)) {
5e3dd157
KV		 4486 arvif->dtim_period = info->dtim_period;
4487
7aa7a72a 4488 ath10k_dbg(ar, ATH10K_DBG_MAC,
60c3daa8
KV		 4489 "mac vdev %d dtim_period %d\n",
4490 arvif->vdev_id, arvif->dtim_period);
4491
6d1506e7
BM		 4492 vdev_param = ar->wmi.vdev_param->dtim_period;
4493 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
5e3dd157
KV		 4494 arvif->dtim_period);
4495 if (ret)
7aa7a72a 4496 ath10k_warn(ar, "failed to set dtim period for vdev %d: %i\n",
69244e56 4497 arvif->vdev_id, ret);
5e3dd157
KV		 4498 }
4499
4500 if (changed & BSS_CHANGED_SSID &&
4501 vif->type == NL80211_IFTYPE_AP) {
4502 arvif->u.ap.ssid_len = info->ssid_len;
4503 if (info->ssid_len)
4504 memcpy(arvif->u.ap.ssid, info->ssid, info->ssid_len);
4505 arvif->u.ap.hidden_ssid = info->hidden_ssid;
4506 }
4507
077efc8c
MK		 4508 if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid))
4509 ether_addr_copy(arvif->bssid, info->bssid);
5e3dd157
KV		 4510
4511 if (changed & BSS_CHANGED_BEACON_ENABLED)
4512 ath10k_control_beaconing(arvif, info);
4513
4514 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
e81bd104 4515 arvif->use_cts_prot = info->use_cts_prot;
7aa7a72a 4516 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d cts_prot %d\n",
e81bd104 4517 arvif->vdev_id, info->use_cts_prot);
60c3daa8 4518
e81bd104 4519 ret = ath10k_recalc_rtscts_prot(arvif);
5e3dd157 4520 if (ret)
7aa7a72a 4521 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
69244e56 4522 arvif->vdev_id, ret);
a87fd4b9
MK		 4523
4524 vdev_param = ar->wmi.vdev_param->protection_mode;
4525 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4526 info->use_cts_prot ? 1 : 0);
4527 if (ret)
4528 ath10k_warn(ar, "failed to set protection mode %d on vdev %i: %d\n",
4529 info->use_cts_prot, arvif->vdev_id, ret);
5e3dd157
KV		 4530 }
4531
4532 if (changed & BSS_CHANGED_ERP_SLOT) {
5e3dd157
KV		 4533 if (info->use_short_slot)
4534 slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */
4535
4536 else
4537 slottime = WMI_VDEV_SLOT_TIME_LONG; /* 20us */
4538
7aa7a72a 4539 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d slot_time %d\n",
60c3daa8
KV		 4540 arvif->vdev_id, slottime);
4541
6d1506e7
BM		 4542 vdev_param = ar->wmi.vdev_param->slot_time;
4543 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
5e3dd157
KV		 4544 slottime);
4545 if (ret)
7aa7a72a 4546 ath10k_warn(ar, "failed to set erp slot for vdev %d: %i\n",
69244e56 4547 arvif->vdev_id, ret);
5e3dd157
KV		 4548 }
4549
4550 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
5e3dd157
KV		 4551 if (info->use_short_preamble)
4552 preamble = WMI_VDEV_PREAMBLE_SHORT;
4553 else
4554 preamble = WMI_VDEV_PREAMBLE_LONG;
4555
7aa7a72a 4556 ath10k_dbg(ar, ATH10K_DBG_MAC,
60c3daa8
KV		 4557 "mac vdev %d preamble %dn",
4558 arvif->vdev_id, preamble);
4559
6d1506e7
BM		 4560 vdev_param = ar->wmi.vdev_param->preamble;
4561 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
5e3dd157
KV		 4562 preamble);
4563 if (ret)
7aa7a72a 4564 ath10k_warn(ar, "failed to set preamble for vdev %d: %i\n",
69244e56 4565 arvif->vdev_id, ret);
5e3dd157
KV		 4566 }
4567
4568 if (changed & BSS_CHANGED_ASSOC) {
e556f111
MK		 4569 if (info->assoc) {
4570 /* Workaround: Make sure monitor vdev is not running
4571 * when associating to prevent some firmware revisions
4572 * (e.g. 10.1 and 10.2) from crashing.
4573 */
4574 if (ar->monitor_started)
4575 ath10k_monitor_stop(ar);
5e3dd157 4576 ath10k_bss_assoc(hw, vif, info);
e556f111 4577 ath10k_monitor_recalc(ar);
077efc8c
MK		 4578 } else {
4579 ath10k_bss_disassoc(hw, vif);
e556f111 4580 }
5e3dd157
KV		 4581 }
4582
7d9d5587
MK		 4583 if (changed & BSS_CHANGED_TXPOWER) {
4584 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev_id %i txpower %d\n",
4585 arvif->vdev_id, info->txpower);
4586
4587 arvif->txpower = info->txpower;
4588 ret = ath10k_mac_txpower_recalc(ar);
4589 if (ret)
4590 ath10k_warn(ar, "failed to recalc tx power: %d\n", ret);
4591 }
4592
bf14e65c 4593 if (changed & BSS_CHANGED_PS) {
cffb41f3
MK		 4594 arvif->ps = vif->bss_conf.ps;
4595
4596 ret = ath10k_config_ps(ar);
bf14e65c
MK		 4597 if (ret)
4598 ath10k_warn(ar, "failed to setup ps on vdev %i: %d\n",
4599 arvif->vdev_id, ret);
4600 }
4601
5e3dd157
KV		 4602 mutex_unlock(&ar->conf_mutex);
4603}
4604
4605static int ath10k_hw_scan(struct ieee80211_hw *hw,
4606 struct ieee80211_vif *vif,
c56ef672 4607 struct ieee80211_scan_request *hw_req)
5e3dd157
KV		 4608{
4609 struct ath10k *ar = hw->priv;
4610 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
c56ef672 4611 struct cfg80211_scan_request *req = &hw_req->req;
5e3dd157
KV		 4612 struct wmi_start_scan_arg arg;
4613 int ret = 0;
4614 int i;
4615
4616 mutex_lock(&ar->conf_mutex);
4617
4618 spin_lock_bh(&ar->data_lock);
5c81c7fd
MK		 4619 switch (ar->scan.state) {
4620 case ATH10K_SCAN_IDLE:
4621 reinit_completion(&ar->scan.started);
4622 reinit_completion(&ar->scan.completed);
4623 ar->scan.state = ATH10K_SCAN_STARTING;
4624 ar->scan.is_roc = false;
4625 ar->scan.vdev_id = arvif->vdev_id;
4626 ret = 0;
4627 break;
4628 case ATH10K_SCAN_STARTING:
4629 case ATH10K_SCAN_RUNNING:
4630 case ATH10K_SCAN_ABORTING:
5e3dd157 4631 ret = -EBUSY;
5c81c7fd 4632 break;
5e3dd157 4633 }
5e3dd157
KV		 4634 spin_unlock_bh(&ar->data_lock);
4635
5c81c7fd
MK		 4636 if (ret)
4637 goto exit;
4638
5e3dd157
KV		 4639 memset(&arg, 0, sizeof(arg));
4640 ath10k_wmi_start_scan_init(ar, &arg);
4641 arg.vdev_id = arvif->vdev_id;
4642 arg.scan_id = ATH10K_SCAN_ID;
4643
4644 if (!req->no_cck)
4645 arg.scan_ctrl_flags |= WMI_SCAN_ADD_CCK_RATES;
4646
4647 if (req->ie_len) {
4648 arg.ie_len = req->ie_len;
4649 memcpy(arg.ie, req->ie, arg.ie_len);
4650 }
4651
4652 if (req->n_ssids) {
4653 arg.n_ssids = req->n_ssids;
4654 for (i = 0; i < arg.n_ssids; i++) {
4655 arg.ssids[i].len = req->ssids[i].ssid_len;
4656 arg.ssids[i].ssid = req->ssids[i].ssid;
4657 }
dcd4a561
MK		 4658 } else {
4659 arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE;
5e3dd157
KV		 4660 }
4661
4662 if (req->n_channels) {
4663 arg.n_channels = req->n_channels;
4664 for (i = 0; i < arg.n_channels; i++)
4665 arg.channels[i] = req->channels[i]->center_freq;
4666 }
4667
4668 ret = ath10k_start_scan(ar, &arg);
4669 if (ret) {
7aa7a72a 4670 ath10k_warn(ar, "failed to start hw scan: %d\n", ret);
5e3dd157 4671 spin_lock_bh(&ar->data_lock);
5c81c7fd 4672 ar->scan.state = ATH10K_SCAN_IDLE;
5e3dd157
KV		 4673 spin_unlock_bh(&ar->data_lock);
4674 }
4675
4676exit:
4677 mutex_unlock(&ar->conf_mutex);
4678 return ret;
4679}
4680
4681static void ath10k_cancel_hw_scan(struct ieee80211_hw *hw,
4682 struct ieee80211_vif *vif)
4683{
4684 struct ath10k *ar = hw->priv;
5e3dd157
KV		 4685
4686 mutex_lock(&ar->conf_mutex);
5c81c7fd 4687 ath10k_scan_abort(ar);
5e3dd157 4688 mutex_unlock(&ar->conf_mutex);
4eb2e164
MK		 4689
4690 cancel_delayed_work_sync(&ar->scan.timeout);
5e3dd157
KV		 4691}
4692
cfb27d29
MK		 4693static void ath10k_set_key_h_def_keyidx(struct ath10k *ar,
4694 struct ath10k_vif *arvif,
4695 enum set_key_cmd cmd,
4696 struct ieee80211_key_conf *key)
4697{
4698 u32 vdev_param = arvif->ar->wmi.vdev_param->def_keyid;
4699 int ret;
4700
4701 /* 10.1 firmware branch requires default key index to be set to group
4702 * key index after installing it. Otherwise FW/HW Txes corrupted
4703 * frames with multi-vif APs. This is not required for main firmware
4704 * branch (e.g. 636).
4705 *
8461baf7
MK		 4706 * This is also needed for 636 fw for IBSS-RSN to work more reliably.
4707 *
4708 * FIXME: It remains unknown if this is required for multi-vif STA
4709 * interfaces on 10.1.
4710 */
cfb27d29 4711
8461baf7
MK		 4712 if (arvif->vdev_type != WMI_VDEV_TYPE_AP &&
4713 arvif->vdev_type != WMI_VDEV_TYPE_IBSS)
cfb27d29
MK		 4714 return;
4715
4716 if (key->cipher == WLAN_CIPHER_SUITE_WEP40)
4717 return;
4718
4719 if (key->cipher == WLAN_CIPHER_SUITE_WEP104)
4720 return;
4721
4722 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
4723 return;
4724
4725 if (cmd != SET_KEY)
4726 return;
4727
4728 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4729 key->keyidx);
4730 if (ret)
7aa7a72a 4731 ath10k_warn(ar, "failed to set vdev %i group key as default key: %d\n",
69244e56 4732 arvif->vdev_id, ret);
cfb27d29
MK		 4733}
4734
5e3dd157
KV		 4735static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
4736 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
4737 struct ieee80211_key_conf *key)
4738{
4739 struct ath10k *ar = hw->priv;
4740 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4741 struct ath10k_peer *peer;
4742 const u8 *peer_addr;
4743 bool is_wep = key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
4744 key->cipher == WLAN_CIPHER_SUITE_WEP104;
4745 int ret = 0;
29a10006 4746 int ret2;
370e5673 4747 u32 flags = 0;
29a10006 4748 u32 flags2;
5e3dd157 4749
d7131c04
BM		 4750 /* this one needs to be done in software */
4751 if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC)
4752 return 1;
5e3dd157
KV		 4753
4754 if (key->keyidx > WMI_MAX_KEY_INDEX)
4755 return -ENOSPC;
4756
4757 mutex_lock(&ar->conf_mutex);
4758
4759 if (sta)
4760 peer_addr = sta->addr;
4761 else if (arvif->vdev_type == WMI_VDEV_TYPE_STA)
4762 peer_addr = vif->bss_conf.bssid;
4763 else
4764 peer_addr = vif->addr;
4765
4766 key->hw_key_idx = key->keyidx;
4767
7c8cc7eb
MK		 4768 if (is_wep) {
4769 if (cmd == SET_KEY)
4770 arvif->wep_keys[key->keyidx] = key;
4771 else
4772 arvif->wep_keys[key->keyidx] = NULL;
4773 }
4774
5e3dd157
KV		 4775 /* the peer should not disappear in mid-way (unless FW goes awry) since
4776 * we already hold conf_mutex. we just make sure its there now. */
4777 spin_lock_bh(&ar->data_lock);
4778 peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr);
4779 spin_unlock_bh(&ar->data_lock);
4780
4781 if (!peer) {
4782 if (cmd == SET_KEY) {
7aa7a72a 4783 ath10k_warn(ar, "failed to install key for non-existent peer %pM\n",
5e3dd157
KV		 4784 peer_addr);
4785 ret = -EOPNOTSUPP;
4786 goto exit;
4787 } else {
4788 /* if the peer doesn't exist there is no key to disable
4789 * anymore */
4790 goto exit;
4791 }
4792 }
4793
7cc4573e
MK		 4794 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
4795 flags |= WMI_KEY_PAIRWISE;
4796 else
4797 flags |= WMI_KEY_GROUP;
5e3dd157 4798
5e3dd157 4799 if (is_wep) {
5e3dd157
KV		 4800 if (cmd == DISABLE_KEY)
4801 ath10k_clear_vdev_key(arvif, key);
5e3dd157 4802
ad325cb5
MK		 4803 /* When WEP keys are uploaded it's possible that there are
4804 * stations associated already (e.g. when merging) without any
4805 * keys. Static WEP needs an explicit per-peer key upload.
4806 */
4807 if (vif->type == NL80211_IFTYPE_ADHOC &&
4808 cmd == SET_KEY)
4809 ath10k_mac_vif_update_wep_key(arvif, key);
4810
370e5673
MK		 4811 /* 802.1x never sets the def_wep_key_idx so each set_key()
4812 * call changes default tx key.
4813 *
4814 * Static WEP sets def_wep_key_idx via .set_default_unicast_key
4815 * after first set_key().
4816 */
4817 if (cmd == SET_KEY && arvif->def_wep_key_idx == -1)
4818 flags |= WMI_KEY_TX_USAGE;
370e5673 4819 }
627613f8 4820
370e5673 4821 ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags);
5e3dd157 4822 if (ret) {
7aa7a72a 4823 ath10k_warn(ar, "failed to install key for vdev %i peer %pM: %d\n",
69244e56 4824 arvif->vdev_id, peer_addr, ret);
5e3dd157
KV		 4825 goto exit;
4826 }
4827
29a10006
MK		 4828 /* mac80211 sets static WEP keys as groupwise while firmware requires
4829 * them to be installed twice as both pairwise and groupwise.
4830 */
4831 if (is_wep && !sta && vif->type == NL80211_IFTYPE_STATION) {
4832 flags2 = flags;
4833 flags2 &= ~WMI_KEY_GROUP;
4834 flags2 |= WMI_KEY_PAIRWISE;
4835
4836 ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags2);
4837 if (ret) {
4838 ath10k_warn(ar, "failed to install (ucast) key for vdev %i peer %pM: %d\n",
4839 arvif->vdev_id, peer_addr, ret);
4840 ret2 = ath10k_install_key(arvif, key, DISABLE_KEY,
4841 peer_addr, flags);
4842 if (ret2)
4843 ath10k_warn(ar, "failed to disable (mcast) key for vdev %i peer %pM: %d\n",
4844 arvif->vdev_id, peer_addr, ret2);
4845 goto exit;
4846 }
4847 }
4848
cfb27d29
MK		 4849 ath10k_set_key_h_def_keyidx(ar, arvif, cmd, key);
4850
5e3dd157
KV		 4851 spin_lock_bh(&ar->data_lock);
4852 peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr);
4853 if (peer && cmd == SET_KEY)
4854 peer->keys[key->keyidx] = key;
4855 else if (peer && cmd == DISABLE_KEY)
4856 peer->keys[key->keyidx] = NULL;
4857 else if (peer == NULL)
4858 /* impossible unless FW goes crazy */
7aa7a72a 4859 ath10k_warn(ar, "Peer %pM disappeared!\n", peer_addr);
5e3dd157
KV		 4860 spin_unlock_bh(&ar->data_lock);
4861
4862exit:
4863 mutex_unlock(&ar->conf_mutex);
4864 return ret;
4865}
4866
627613f8
SJ		 4867static void ath10k_set_default_unicast_key(struct ieee80211_hw *hw,
4868 struct ieee80211_vif *vif,
4869 int keyidx)
4870{
4871 struct ath10k *ar = hw->priv;
4872 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4873 int ret;
4874
4875 mutex_lock(&arvif->ar->conf_mutex);
4876
4877 if (arvif->ar->state != ATH10K_STATE_ON)
4878 goto unlock;
4879
4880 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d set keyidx %d\n",
4881 arvif->vdev_id, keyidx);
4882
4883 ret = ath10k_wmi_vdev_set_param(arvif->ar,
4884 arvif->vdev_id,
4885 arvif->ar->wmi.vdev_param->def_keyid,
4886 keyidx);
4887
4888 if (ret) {
4889 ath10k_warn(ar, "failed to update wep key index for vdev %d: %d\n",
4890 arvif->vdev_id,
4891 ret);
4892 goto unlock;
4893 }
4894
4895 arvif->def_wep_key_idx = keyidx;
370e5673 4896
627613f8
SJ		 4897unlock:
4898 mutex_unlock(&arvif->ar->conf_mutex);
4899}
4900
9797febc
MK		 4901static void ath10k_sta_rc_update_wk(struct work_struct *wk)
4902{
4903 struct ath10k *ar;
4904 struct ath10k_vif *arvif;
4905 struct ath10k_sta *arsta;
4906 struct ieee80211_sta *sta;
45c9abc0
MK		 4907 struct cfg80211_chan_def def;
4908 enum ieee80211_band band;
4909 const u8 *ht_mcs_mask;
4910 const u16 *vht_mcs_mask;
9797febc
MK		 4911 u32 changed, bw, nss, smps;
4912 int err;
4913
4914 arsta = container_of(wk, struct ath10k_sta, update_wk);
4915 sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv);
4916 arvif = arsta->arvif;
4917 ar = arvif->ar;
4918
45c9abc0
MK		 4919 if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def)))
4920 return;
4921
4922 band = def.chan->band;
4923 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
4924 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
4925
9797febc
MK		 4926 spin_lock_bh(&ar->data_lock);
4927
4928 changed = arsta->changed;
4929 arsta->changed = 0;
4930
4931 bw = arsta->bw;
4932 nss = arsta->nss;
4933 smps = arsta->smps;
4934
4935 spin_unlock_bh(&ar->data_lock);
4936
4937 mutex_lock(&ar->conf_mutex);
4938
45c9abc0
MK		 4939 nss = max_t(u32, 1, nss);
4940 nss = min(nss, max(ath10k_mac_max_ht_nss(ht_mcs_mask),
4941 ath10k_mac_max_vht_nss(vht_mcs_mask)));
4942
9797febc 4943 if (changed & IEEE80211_RC_BW_CHANGED) {
7aa7a72a 4944 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM peer bw %d\n",
9797febc
MK		 4945 sta->addr, bw);
4946
4947 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
4948 WMI_PEER_CHAN_WIDTH, bw);
4949 if (err)
7aa7a72a 4950 ath10k_warn(ar, "failed to update STA %pM peer bw %d: %d\n",
9797febc
MK		 4951 sta->addr, bw, err);
4952 }
4953
4954 if (changed & IEEE80211_RC_NSS_CHANGED) {
7aa7a72a 4955 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM nss %d\n",
9797febc
MK		 4956 sta->addr, nss);
4957
4958 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
4959 WMI_PEER_NSS, nss);
4960 if (err)
7aa7a72a 4961 ath10k_warn(ar, "failed to update STA %pM nss %d: %d\n",
9797febc
MK		 4962 sta->addr, nss, err);
4963 }
4964
4965 if (changed & IEEE80211_RC_SMPS_CHANGED) {
7aa7a72a 4966 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM smps %d\n",
9797febc
MK		 4967 sta->addr, smps);
4968
4969 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
4970 WMI_PEER_SMPS_STATE, smps);
4971 if (err)
7aa7a72a 4972 ath10k_warn(ar, "failed to update STA %pM smps %d: %d\n",
9797febc
MK		 4973 sta->addr, smps, err);
4974 }
4975
55884c04
JD		 4976 if (changed & IEEE80211_RC_SUPP_RATES_CHANGED ||
4977 changed & IEEE80211_RC_NSS_CHANGED) {
4978 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM supp rates/nss\n",
44d6fa90
CYY		 4979 sta->addr);
4980
590922a8 4981 err = ath10k_station_assoc(ar, arvif->vif, sta, true);
44d6fa90 4982 if (err)
7aa7a72a 4983 ath10k_warn(ar, "failed to reassociate station: %pM\n",
44d6fa90
CYY		 4984 sta->addr);
4985 }
4986
9797febc
MK		 4987 mutex_unlock(&ar->conf_mutex);
4988}
4989
7c354242
MP		 4990static int ath10k_mac_inc_num_stations(struct ath10k_vif *arvif,
4991 struct ieee80211_sta *sta)
cfd1061e
MK		 4992{
4993 struct ath10k *ar = arvif->ar;
4994
4995 lockdep_assert_held(&ar->conf_mutex);
4996
7c354242 4997 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
cfd1061e
MK		 4998 return 0;
4999
5000 if (ar->num_stations >= ar->max_num_stations)
5001 return -ENOBUFS;
5002
5003 ar->num_stations++;
5004
5005 return 0;
5006}
5007
7c354242
MP		 5008static void ath10k_mac_dec_num_stations(struct ath10k_vif *arvif,
5009 struct ieee80211_sta *sta)
cfd1061e
MK		 5010{
5011 struct ath10k *ar = arvif->ar;
5012
5013 lockdep_assert_held(&ar->conf_mutex);
5014
7c354242 5015 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
cfd1061e
MK		 5016 return;
5017
5018 ar->num_stations--;
5019}
5020
75d85fd9
MP		 5021struct ath10k_mac_tdls_iter_data {
5022 u32 num_tdls_stations;
5023 struct ieee80211_vif *curr_vif;
5024};
5025
5026static void ath10k_mac_tdls_vif_stations_count_iter(void *data,
5027 struct ieee80211_sta *sta)
5e3dd157 5028{
75d85fd9 5029 struct ath10k_mac_tdls_iter_data *iter_data = data;
9797febc 5030 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
75d85fd9 5031 struct ieee80211_vif *sta_vif = arsta->arvif->vif;
5e3dd157 5032
75d85fd9
MP		 5033 if (sta->tdls && sta_vif == iter_data->curr_vif)
5034 iter_data->num_tdls_stations++;
5035}
5036
5037static int ath10k_mac_tdls_vif_stations_count(struct ieee80211_hw *hw,
5038 struct ieee80211_vif *vif)
5039{
5040 struct ath10k_mac_tdls_iter_data data = {};
5041
5042 data.curr_vif = vif;
5043
5044 ieee80211_iterate_stations_atomic(hw,
5045 ath10k_mac_tdls_vif_stations_count_iter,
5046 &data);
5047 return data.num_tdls_stations;
5048}
5049
5050static void ath10k_mac_tdls_vifs_count_iter(void *data, u8 *mac,
5051 struct ieee80211_vif *vif)
5052{
5053 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5054 int *num_tdls_vifs = data;
5055
5056 if (vif->type != NL80211_IFTYPE_STATION)
5057 return;
5058
5059 if (ath10k_mac_tdls_vif_stations_count(arvif->ar->hw, vif) > 0)
5060 (*num_tdls_vifs)++;
5061}
5062
5063static int ath10k_mac_tdls_vifs_count(struct ieee80211_hw *hw)
5064{
5065 int num_tdls_vifs = 0;
5066
5067 ieee80211_iterate_active_interfaces_atomic(hw,
5068 IEEE80211_IFACE_ITER_NORMAL,
5069 ath10k_mac_tdls_vifs_count_iter,
5070 &num_tdls_vifs);
5071 return num_tdls_vifs;
5072}
5073
5e3dd157
KV		 5074static int ath10k_sta_state(struct ieee80211_hw *hw,
5075 struct ieee80211_vif *vif,
5076 struct ieee80211_sta *sta,
5077 enum ieee80211_sta_state old_state,
5078 enum ieee80211_sta_state new_state)
5079{
5080 struct ath10k *ar = hw->priv;
5081 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
9797febc 5082 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
5e3dd157
KV		 5083 int ret = 0;
5084
76f90024
MK		 5085 if (old_state == IEEE80211_STA_NOTEXIST &&
5086 new_state == IEEE80211_STA_NONE) {
5087 memset(arsta, 0, sizeof(*arsta));
5088 arsta->arvif = arvif;
5089 INIT_WORK(&arsta->update_wk, ath10k_sta_rc_update_wk);
5090 }
5091
9797febc
MK		 5092 /* cancel must be done outside the mutex to avoid deadlock */
5093 if ((old_state == IEEE80211_STA_NONE &&
5094 new_state == IEEE80211_STA_NOTEXIST))
5095 cancel_work_sync(&arsta->update_wk);
5096
5e3dd157
KV		 5097 mutex_lock(&ar->conf_mutex);
5098
5099 if (old_state == IEEE80211_STA_NOTEXIST &&
077efc8c 5100 new_state == IEEE80211_STA_NONE) {
5e3dd157
KV		 5101 /*
5102 * New station addition.
5103 */
75d85fd9
MP		 5104 enum wmi_peer_type peer_type = WMI_PEER_TYPE_DEFAULT;
5105 u32 num_tdls_stations;
5106 u32 num_tdls_vifs;
5107
cfd1061e
MK		 5108 ath10k_dbg(ar, ATH10K_DBG_MAC,
5109 "mac vdev %d peer create %pM (new sta) sta %d / %d peer %d / %d\n",
5110 arvif->vdev_id, sta->addr,
5111 ar->num_stations + 1, ar->max_num_stations,
5112 ar->num_peers + 1, ar->max_num_peers);
0e759f36 5113
7c354242 5114 ret = ath10k_mac_inc_num_stations(arvif, sta);
cfd1061e
MK		 5115 if (ret) {
5116 ath10k_warn(ar, "refusing to associate station: too many connected already (%d)\n",
5117 ar->max_num_stations);
0e759f36
BM		 5118 goto exit;
5119 }
5120
75d85fd9
MP		 5121 if (sta->tdls)
5122 peer_type = WMI_PEER_TYPE_TDLS;
5123
7390ed34 5124 ret = ath10k_peer_create(ar, arvif->vdev_id, sta->addr,
75d85fd9 5125 peer_type);
a52c0282 5126 if (ret) {
7aa7a72a 5127 ath10k_warn(ar, "failed to add peer %pM for vdev %d when adding a new sta: %i\n",
479398b0 5128 sta->addr, arvif->vdev_id, ret);
7c354242 5129 ath10k_mac_dec_num_stations(arvif, sta);
a52c0282
MK		 5130 goto exit;
5131 }
077efc8c 5132
75d85fd9
MP		 5133 if (!sta->tdls)
5134 goto exit;
5135
5136 num_tdls_stations = ath10k_mac_tdls_vif_stations_count(hw, vif);
5137 num_tdls_vifs = ath10k_mac_tdls_vifs_count(hw);
5138
5139 if (num_tdls_vifs >= ar->max_num_tdls_vdevs &&
5140 num_tdls_stations == 0) {
5141 ath10k_warn(ar, "vdev %i exceeded maximum number of tdls vdevs %i\n",
5142 arvif->vdev_id, ar->max_num_tdls_vdevs);
5143 ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5144 ath10k_mac_dec_num_stations(arvif, sta);
5145 ret = -ENOBUFS;
a52c0282
MK		 5146 goto exit;
5147 }
077efc8c 5148
75d85fd9
MP		 5149 if (num_tdls_stations == 0) {
5150 /* This is the first tdls peer in current vif */
5151 enum wmi_tdls_state state = WMI_TDLS_ENABLE_ACTIVE;
077efc8c 5152
75d85fd9
MP		 5153 ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5154 state);
077efc8c 5155 if (ret) {
75d85fd9 5156 ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n",
077efc8c 5157 arvif->vdev_id, ret);
75d85fd9
MP		 5158 ath10k_peer_delete(ar, arvif->vdev_id,
5159 sta->addr);
5160 ath10k_mac_dec_num_stations(arvif, sta);
077efc8c
MK		 5161 goto exit;
5162 }
75d85fd9
MP		 5163 }
5164
5165 ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta,
5166 WMI_TDLS_PEER_STATE_PEERING);
5167 if (ret) {
5168 ath10k_warn(ar,
5169 "failed to update tdls peer %pM for vdev %d when adding a new sta: %i\n",
5170 sta->addr, arvif->vdev_id, ret);
5171 ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5172 ath10k_mac_dec_num_stations(arvif, sta);
077efc8c 5173
75d85fd9
MP		 5174 if (num_tdls_stations != 0)
5175 goto exit;
5176 ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5177 WMI_TDLS_DISABLE);
077efc8c 5178 }
5e3dd157
KV		 5179 } else if ((old_state == IEEE80211_STA_NONE &&
5180 new_state == IEEE80211_STA_NOTEXIST)) {
5181 /*
5182 * Existing station deletion.
5183 */
7aa7a72a 5184 ath10k_dbg(ar, ATH10K_DBG_MAC,
60c3daa8
KV		 5185 "mac vdev %d peer delete %pM (sta gone)\n",
5186 arvif->vdev_id, sta->addr);
077efc8c 5187
5e3dd157
KV		 5188 ret = ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5189 if (ret)
7aa7a72a 5190 ath10k_warn(ar, "failed to delete peer %pM for vdev %d: %i\n",
69244e56 5191 sta->addr, arvif->vdev_id, ret);
5e3dd157 5192
7c354242 5193 ath10k_mac_dec_num_stations(arvif, sta);
75d85fd9
MP		 5194
5195 if (!sta->tdls)
5196 goto exit;
5197
5198 if (ath10k_mac_tdls_vif_stations_count(hw, vif))
5199 goto exit;
5200
5201 /* This was the last tdls peer in current vif */
5202 ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5203 WMI_TDLS_DISABLE);
5204 if (ret) {
5205 ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n",
5206 arvif->vdev_id, ret);
5207 }
5e3dd157
KV		 5208 } else if (old_state == IEEE80211_STA_AUTH &&
5209 new_state == IEEE80211_STA_ASSOC &&
5210 (vif->type == NL80211_IFTYPE_AP ||
5211 vif->type == NL80211_IFTYPE_ADHOC)) {
5212 /*
5213 * New association.
5214 */
7aa7a72a 5215 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM associated\n",
60c3daa8
KV		 5216 sta->addr);
5217
590922a8 5218 ret = ath10k_station_assoc(ar, vif, sta, false);
5e3dd157 5219 if (ret)
7aa7a72a 5220 ath10k_warn(ar, "failed to associate station %pM for vdev %i: %i\n",
69244e56 5221 sta->addr, arvif->vdev_id, ret);
5e3dd157 5222 } else if (old_state == IEEE80211_STA_ASSOC &&
75d85fd9
MP		 5223 new_state == IEEE80211_STA_AUTHORIZED &&
5224 sta->tdls) {
5225 /*
5226 * Tdls station authorized.
5227 */
5228 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac tdls sta %pM authorized\n",
5229 sta->addr);
5230
5231 ret = ath10k_station_assoc(ar, vif, sta, false);
5232 if (ret) {
5233 ath10k_warn(ar, "failed to associate tdls station %pM for vdev %i: %i\n",
5234 sta->addr, arvif->vdev_id, ret);
5235 goto exit;
5236 }
5237
5238 ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta,
5239 WMI_TDLS_PEER_STATE_CONNECTED);
5240 if (ret)
5241 ath10k_warn(ar, "failed to update tdls peer %pM for vdev %i: %i\n",
5242 sta->addr, arvif->vdev_id, ret);
5243 } else if (old_state == IEEE80211_STA_ASSOC &&
5244 new_state == IEEE80211_STA_AUTH &&
5245 (vif->type == NL80211_IFTYPE_AP ||
5246 vif->type == NL80211_IFTYPE_ADHOC)) {
5e3dd157
KV		 5247 /*
5248 * Disassociation.
5249 */
7aa7a72a 5250 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM disassociated\n",
60c3daa8
KV		 5251 sta->addr);
5252
590922a8 5253 ret = ath10k_station_disassoc(ar, vif, sta);
5e3dd157 5254 if (ret)
7aa7a72a 5255 ath10k_warn(ar, "failed to disassociate station: %pM vdev %i: %i\n",
69244e56 5256 sta->addr, arvif->vdev_id, ret);
5e3dd157 5257 }
0e759f36 5258exit:
5e3dd157
KV		 5259 mutex_unlock(&ar->conf_mutex);
5260 return ret;
5261}
5262
5263static int ath10k_conf_tx_uapsd(struct ath10k *ar, struct ieee80211_vif *vif,
5b07e07f 5264 u16 ac, bool enable)
5e3dd157
KV		 5265{
5266 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
b0e56154
MK		 5267 struct wmi_sta_uapsd_auto_trig_arg arg = {};
5268 u32 prio = 0, acc = 0;
5e3dd157
KV		 5269 u32 value = 0;
5270 int ret = 0;
5271
548db54c
MK		 5272 lockdep_assert_held(&ar->conf_mutex);
5273
5e3dd157
KV		 5274 if (arvif->vdev_type != WMI_VDEV_TYPE_STA)
5275 return 0;
5276
5277 switch (ac) {
5278 case IEEE80211_AC_VO:
5279 value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN |
5280 WMI_STA_PS_UAPSD_AC3_TRIGGER_EN;
b0e56154
MK		 5281 prio = 7;
5282 acc = 3;
5e3dd157
KV		 5283 break;
5284 case IEEE80211_AC_VI:
5285 value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN |
5286 WMI_STA_PS_UAPSD_AC2_TRIGGER_EN;
b0e56154
MK		 5287 prio = 5;
5288 acc = 2;
5e3dd157
KV		 5289 break;
5290 case IEEE80211_AC_BE:
5291 value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN |
5292 WMI_STA_PS_UAPSD_AC1_TRIGGER_EN;
b0e56154
MK		 5293 prio = 2;
5294 acc = 1;
5e3dd157
KV		 5295 break;
5296 case IEEE80211_AC_BK:
5297 value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN |
5298 WMI_STA_PS_UAPSD_AC0_TRIGGER_EN;
b0e56154
MK		 5299 prio = 0;
5300 acc = 0;
5e3dd157
KV		 5301 break;
5302 }
5303
5304 if (enable)
5305 arvif->u.sta.uapsd |= value;
5306 else
5307 arvif->u.sta.uapsd &= ~value;
5308
5309 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
5310 WMI_STA_PS_PARAM_UAPSD,
5311 arvif->u.sta.uapsd);
5312 if (ret) {
7aa7a72a 5313 ath10k_warn(ar, "failed to set uapsd params: %d\n", ret);
5e3dd157
KV		 5314 goto exit;
5315 }
5316
5317 if (arvif->u.sta.uapsd)
5318 value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD;
5319 else
5320 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;
5321
5322 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
5323 WMI_STA_PS_PARAM_RX_WAKE_POLICY,
5324 value);
5325 if (ret)
7aa7a72a 5326 ath10k_warn(ar, "failed to set rx wake param: %d\n", ret);
5e3dd157 5327
9f9b5746
MK		 5328 ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif);
5329 if (ret) {
5330 ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n",
5331 arvif->vdev_id, ret);
5332 return ret;
5333 }
5334
5335 ret = ath10k_mac_vif_recalc_ps_poll_count(arvif);
5336 if (ret) {
5337 ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n",
5338 arvif->vdev_id, ret);
5339 return ret;
5340 }
5341
b0e56154
MK		 5342 if (test_bit(WMI_SERVICE_STA_UAPSD_BASIC_AUTO_TRIG, ar->wmi.svc_map) ||
5343 test_bit(WMI_SERVICE_STA_UAPSD_VAR_AUTO_TRIG, ar->wmi.svc_map)) {
5344 /* Only userspace can make an educated decision when to send
5345 * trigger frame. The following effectively disables u-UAPSD
5346 * autotrigger in firmware (which is enabled by default
5347 * provided the autotrigger service is available).
5348 */
5349
5350 arg.wmm_ac = acc;
5351 arg.user_priority = prio;
5352 arg.service_interval = 0;
5353 arg.suspend_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC;
5354 arg.delay_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC;
5355
5356 ret = ath10k_wmi_vdev_sta_uapsd(ar, arvif->vdev_id,
5357 arvif->bssid, &arg, 1);
5358 if (ret) {
5359 ath10k_warn(ar, "failed to set uapsd auto trigger %d\n",
5360 ret);
5361 return ret;
5362 }
5363 }
5364
5e3dd157
KV		 5365exit:
5366 return ret;
5367}
5368
5369static int ath10k_conf_tx(struct ieee80211_hw *hw,
5370 struct ieee80211_vif *vif, u16 ac,
5371 const struct ieee80211_tx_queue_params *params)
5372{
5373 struct ath10k *ar = hw->priv;
5e752e42 5374 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5e3dd157
KV		 5375 struct wmi_wmm_params_arg *p = NULL;
5376 int ret;
5377
5378 mutex_lock(&ar->conf_mutex);
5379
5380 switch (ac) {
5381 case IEEE80211_AC_VO:
5e752e42 5382 p = &arvif->wmm_params.ac_vo;
5e3dd157
KV		 5383 break;
5384 case IEEE80211_AC_VI:
5e752e42 5385 p = &arvif->wmm_params.ac_vi;
5e3dd157
KV		 5386 break;
5387 case IEEE80211_AC_BE:
5e752e42 5388 p = &arvif->wmm_params.ac_be;
5e3dd157
KV		 5389 break;
5390 case IEEE80211_AC_BK:
5e752e42 5391 p = &arvif->wmm_params.ac_bk;
5e3dd157
KV		 5392 break;
5393 }
5394
5395 if (WARN_ON(!p)) {
5396 ret = -EINVAL;
5397 goto exit;
5398 }
5399
5400 p->cwmin = params->cw_min;
5401 p->cwmax = params->cw_max;
5402 p->aifs = params->aifs;
5403
5404 /*
5405 * The channel time duration programmed in the HW is in absolute
5406 * microseconds, while mac80211 gives the txop in units of
5407 * 32 microseconds.
5408 */
5409 p->txop = params->txop * 32;
5410
7fc979a7
MK		 5411 if (ar->wmi.ops->gen_vdev_wmm_conf) {
5412 ret = ath10k_wmi_vdev_wmm_conf(ar, arvif->vdev_id,
5413 &arvif->wmm_params);
5414 if (ret) {
5415 ath10k_warn(ar, "failed to set vdev wmm params on vdev %i: %d\n",
5416 arvif->vdev_id, ret);
5417 goto exit;
5418 }
5419 } else {
5420 /* This won't work well with multi-interface cases but it's
5421 * better than nothing.
5422 */
5423 ret = ath10k_wmi_pdev_set_wmm_params(ar, &arvif->wmm_params);
5424 if (ret) {
5425 ath10k_warn(ar, "failed to set wmm params: %d\n", ret);
5426 goto exit;
5427 }
5e3dd157
KV		 5428 }
5429
5430 ret = ath10k_conf_tx_uapsd(ar, vif, ac, params->uapsd);
5431 if (ret)
7aa7a72a 5432 ath10k_warn(ar, "failed to set sta uapsd: %d\n", ret);
5e3dd157
KV		 5433
5434exit:
5435 mutex_unlock(&ar->conf_mutex);
5436 return ret;
5437}
5438
5439#define ATH10K_ROC_TIMEOUT_HZ (2*HZ)
5440
5441static int ath10k_remain_on_channel(struct ieee80211_hw *hw,
5442 struct ieee80211_vif *vif,
5443 struct ieee80211_channel *chan,
5444 int duration,
5445 enum ieee80211_roc_type type)
5446{
5447 struct ath10k *ar = hw->priv;
5448 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5449 struct wmi_start_scan_arg arg;
5c81c7fd 5450 int ret = 0;
fcf98446 5451 u32 scan_time_msec;
5e3dd157
KV		 5452
5453 mutex_lock(&ar->conf_mutex);
5454
5455 spin_lock_bh(&ar->data_lock);
5c81c7fd
MK		 5456 switch (ar->scan.state) {
5457 case ATH10K_SCAN_IDLE:
5458 reinit_completion(&ar->scan.started);
5459 reinit_completion(&ar->scan.completed);
5460 reinit_completion(&ar->scan.on_channel);
5461 ar->scan.state = ATH10K_SCAN_STARTING;
5462 ar->scan.is_roc = true;
5463 ar->scan.vdev_id = arvif->vdev_id;
5464 ar->scan.roc_freq = chan->center_freq;
5465 ret = 0;
5466 break;
5467 case ATH10K_SCAN_STARTING:
5468 case ATH10K_SCAN_RUNNING:
5469 case ATH10K_SCAN_ABORTING:
5e3dd157 5470 ret = -EBUSY;
5c81c7fd 5471 break;
5e3dd157 5472 }
5e3dd157
KV		 5473 spin_unlock_bh(&ar->data_lock);
5474
5c81c7fd
MK		 5475 if (ret)
5476 goto exit;
5477
fcf98446 5478 scan_time_msec = ar->hw->wiphy->max_remain_on_channel_duration * 2;
dcca0bdb 5479
5e3dd157
KV		 5480 memset(&arg, 0, sizeof(arg));
5481 ath10k_wmi_start_scan_init(ar, &arg);
5482 arg.vdev_id = arvif->vdev_id;
5483 arg.scan_id = ATH10K_SCAN_ID;
5484 arg.n_channels = 1;
5485 arg.channels[0] = chan->center_freq;
fcf98446
MK		 5486 arg.dwell_time_active = scan_time_msec;
5487 arg.dwell_time_passive = scan_time_msec;
5488 arg.max_scan_time = scan_time_msec;
5e3dd157
KV		 5489 arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE;
5490 arg.scan_ctrl_flags |= WMI_SCAN_FILTER_PROBE_REQ;
dbd3f9f3 5491 arg.burst_duration_ms = duration;
5e3dd157
KV		 5492
5493 ret = ath10k_start_scan(ar, &arg);
5494 if (ret) {
7aa7a72a 5495 ath10k_warn(ar, "failed to start roc scan: %d\n", ret);
5e3dd157 5496 spin_lock_bh(&ar->data_lock);
5c81c7fd 5497 ar->scan.state = ATH10K_SCAN_IDLE;
5e3dd157
KV		 5498 spin_unlock_bh(&ar->data_lock);
5499 goto exit;
5500 }
5501
5502 ret = wait_for_completion_timeout(&ar->scan.on_channel, 3*HZ);
5503 if (ret == 0) {
7aa7a72a 5504 ath10k_warn(ar, "failed to switch to channel for roc scan\n");
5c81c7fd
MK		 5505
5506 ret = ath10k_scan_stop(ar);
5507 if (ret)
7aa7a72a 5508 ath10k_warn(ar, "failed to stop scan: %d\n", ret);
5c81c7fd 5509
5e3dd157
KV		 5510 ret = -ETIMEDOUT;
5511 goto exit;
5512 }
5513
fcf98446
MK		 5514 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout,
5515 msecs_to_jiffies(duration));
5516
5e3dd157
KV		 5517 ret = 0;
5518exit:
5519 mutex_unlock(&ar->conf_mutex);
5520 return ret;
5521}
5522
5523static int ath10k_cancel_remain_on_channel(struct ieee80211_hw *hw)
5524{
5525 struct ath10k *ar = hw->priv;
5526
5527 mutex_lock(&ar->conf_mutex);
5c81c7fd 5528 ath10k_scan_abort(ar);
5e3dd157
KV		 5529 mutex_unlock(&ar->conf_mutex);
5530
4eb2e164
MK		 5531 cancel_delayed_work_sync(&ar->scan.timeout);
5532
5e3dd157
KV		 5533 return 0;
5534}
5535
5536/*
5537 * Both RTS and Fragmentation threshold are interface-specific
5538 * in ath10k, but device-specific in mac80211.
5539 */
5e3dd157 5540
ad088bfa
MK		 5541static int ath10k_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
5542{
5543 struct ath10k *ar = hw->priv;
5544 struct ath10k_vif *arvif;
5545 int ret = 0;
548db54c 5546
5e3dd157 5547 mutex_lock(&ar->conf_mutex);
ad088bfa 5548 list_for_each_entry(arvif, &ar->arvifs, list) {
7aa7a72a 5549 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d rts threshold %d\n",
ad088bfa
MK		 5550 arvif->vdev_id, value);
5551
5552 ret = ath10k_mac_set_rts(arvif, value);
5553 if (ret) {
7aa7a72a 5554 ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n",
ad088bfa
MK		 5555 arvif->vdev_id, ret);
5556 break;
5557 }
5558 }
5e3dd157
KV		 5559 mutex_unlock(&ar->conf_mutex);
5560
ad088bfa 5561 return ret;
5e3dd157
KV		 5562}
5563
77be2c54
EG		 5564static void ath10k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
5565 u32 queues, bool drop)
5e3dd157
KV		 5566{
5567 struct ath10k *ar = hw->priv;
affd3217 5568 bool skip;
5e3dd157
KV		 5569 int ret;
5570
5571 /* mac80211 doesn't care if we really xmit queued frames or not
5572 * we'll collect those frames either way if we stop/delete vdevs */
5573 if (drop)
5574 return;
5575
548db54c
MK		 5576 mutex_lock(&ar->conf_mutex);
5577
affd3217
MK		 5578 if (ar->state == ATH10K_STATE_WEDGED)
5579 goto skip;
5580
edb8236d 5581 ret = wait_event_timeout(ar->htt.empty_tx_wq, ({
5e3dd157 5582 bool empty;
affd3217 5583
edb8236d 5584 spin_lock_bh(&ar->htt.tx_lock);
0945baf7 5585 empty = (ar->htt.num_pending_tx == 0);
edb8236d 5586 spin_unlock_bh(&ar->htt.tx_lock);
affd3217 5587
7962b0d8
MK		 5588 skip = (ar->state == ATH10K_STATE_WEDGED) ||
5589 test_bit(ATH10K_FLAG_CRASH_FLUSH,
5590 &ar->dev_flags);
affd3217
MK		 5591
5592 (empty || skip);
5e3dd157 5593 }), ATH10K_FLUSH_TIMEOUT_HZ);
affd3217
MK		 5594
5595 if (ret <= 0 || skip)
7aa7a72a 5596 ath10k_warn(ar, "failed to flush transmit queue (skip %i ar-state %i): %i\n",
9ba4c787 5597 skip, ar->state, ret);
548db54c 5598
affd3217 5599skip:
548db54c 5600 mutex_unlock(&ar->conf_mutex);
5e3dd157
KV		 5601}
5602
5603/* TODO: Implement this function properly
5604 * For now it is needed to reply to Probe Requests in IBSS mode.
5605 * Propably we need this information from FW.
5606 */
5607static int ath10k_tx_last_beacon(struct ieee80211_hw *hw)
5608{
5609 return 1;
5610}
5611
cf2c92d8
EP		 5612static void ath10k_reconfig_complete(struct ieee80211_hw *hw,
5613 enum ieee80211_reconfig_type reconfig_type)
affd3217
MK		 5614{
5615 struct ath10k *ar = hw->priv;
5616
cf2c92d8
EP		 5617 if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART)
5618 return;
5619
affd3217
MK		 5620 mutex_lock(&ar->conf_mutex);
5621
5622 /* If device failed to restart it will be in a different state, e.g.
5623 * ATH10K_STATE_WEDGED */
5624 if (ar->state == ATH10K_STATE_RESTARTED) {
7aa7a72a 5625 ath10k_info(ar, "device successfully recovered\n");
affd3217 5626 ar->state = ATH10K_STATE_ON;
7962b0d8 5627 ieee80211_wake_queues(ar->hw);
affd3217
MK		 5628 }
5629
5630 mutex_unlock(&ar->conf_mutex);
5631}
5632
2e1dea40
MK		 5633static int ath10k_get_survey(struct ieee80211_hw *hw, int idx,
5634 struct survey_info *survey)
5635{
5636 struct ath10k *ar = hw->priv;
5637 struct ieee80211_supported_band *sband;
5638 struct survey_info *ar_survey = &ar->survey[idx];
5639 int ret = 0;
5640
5641 mutex_lock(&ar->conf_mutex);
5642
5643 sband = hw->wiphy->bands[IEEE80211_BAND_2GHZ];
5644 if (sband && idx >= sband->n_channels) {
5645 idx -= sband->n_channels;
5646 sband = NULL;
5647 }
5648
5649 if (!sband)
5650 sband = hw->wiphy->bands[IEEE80211_BAND_5GHZ];
5651
5652 if (!sband || idx >= sband->n_channels) {
5653 ret = -ENOENT;
5654 goto exit;
5655 }
5656
5657 spin_lock_bh(&ar->data_lock);
5658 memcpy(survey, ar_survey, sizeof(*survey));
5659 spin_unlock_bh(&ar->data_lock);
5660
5661 survey->channel = &sband->channels[idx];
5662
fa1d4df8
FF		 5663 if (ar->rx_channel == survey->channel)
5664 survey->filled |= SURVEY_INFO_IN_USE;
5665
2e1dea40
MK		 5666exit:
5667 mutex_unlock(&ar->conf_mutex);
5668 return ret;
5669}
5670
51ab1a0a 5671static bool
3ae54225
MK		 5672ath10k_mac_bitrate_mask_has_single_rate(struct ath10k *ar,
5673 enum ieee80211_band band,
5674 const struct cfg80211_bitrate_mask *mask)
51ab1a0a 5675{
3ae54225
MK		 5676 int num_rates = 0;
5677 int i;
51ab1a0a 5678
3ae54225 5679 num_rates += hweight32(mask->control[band].legacy);
51ab1a0a 5680
3ae54225
MK		 5681 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++)
5682 num_rates += hweight8(mask->control[band].ht_mcs[i]);
51ab1a0a 5683
3ae54225
MK		 5684 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++)
5685 num_rates += hweight16(mask->control[band].vht_mcs[i]);
51ab1a0a 5686
3ae54225 5687 return num_rates == 1;
51ab1a0a
JD		 5688}
5689
5690static bool
3ae54225
MK		 5691ath10k_mac_bitrate_mask_get_single_nss(struct ath10k *ar,
5692 enum ieee80211_band band,
5693 const struct cfg80211_bitrate_mask *mask,
5694 int *nss)
5695{
5696 struct ieee80211_supported_band *sband = &ar->mac.sbands[band];
5697 u16 vht_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
5698 u8 ht_nss_mask = 0;
5699 u8 vht_nss_mask = 0;
5700 int i;
51ab1a0a 5701
3ae54225 5702 if (mask->control[band].legacy)
51ab1a0a
JD		 5703 return false;
5704
3ae54225
MK		 5705 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {
5706 if (mask->control[band].ht_mcs[i] == 0)
51ab1a0a 5707 continue;
3ae54225
MK		 5708 else if (mask->control[band].ht_mcs[i] ==
5709 sband->ht_cap.mcs.rx_mask[i])
5710 ht_nss_mask |= BIT(i);
5711 else
5712 return false;
51ab1a0a
JD		 5713 }
5714
3ae54225
MK		 5715 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
5716 if (mask->control[band].vht_mcs[i] == 0)
51ab1a0a 5717 continue;
3ae54225
MK		 5718 else if (mask->control[band].vht_mcs[i] ==
5719 ath10k_mac_get_max_vht_mcs_map(vht_mcs_map, i))
5720 vht_nss_mask |= BIT(i);
5721 else
5722 return false;
51ab1a0a
JD		 5723 }
5724
3ae54225 5725 if (ht_nss_mask != vht_nss_mask)
51ab1a0a
JD		 5726 return false;
5727
3ae54225 5728 if (ht_nss_mask == 0)
51ab1a0a
JD		 5729 return false;
5730
3ae54225 5731 if (BIT(fls(ht_nss_mask)) - 1 != ht_nss_mask)
51ab1a0a
JD		 5732 return false;
5733
3ae54225 5734 *nss = fls(ht_nss_mask);
51ab1a0a
JD		 5735
5736 return true;
5737}
5738
3ae54225
MK		 5739static int
5740ath10k_mac_bitrate_mask_get_single_rate(struct ath10k *ar,
5741 enum ieee80211_band band,
5742 const struct cfg80211_bitrate_mask *mask,
5743 u8 *rate, u8 *nss)
51ab1a0a 5744{
3ae54225
MK		 5745 struct ieee80211_supported_band *sband = &ar->mac.sbands[band];
5746 int rate_idx;
5747 int i;
5748 u16 bitrate;
5749 u8 preamble;
5750 u8 hw_rate;
51ab1a0a 5751
3ae54225
MK		 5752 if (hweight32(mask->control[band].legacy) == 1) {
5753 rate_idx = ffs(mask->control[band].legacy) - 1;
51ab1a0a 5754
3ae54225
MK		 5755 hw_rate = sband->bitrates[rate_idx].hw_value;
5756 bitrate = sband->bitrates[rate_idx].bitrate;
51ab1a0a 5757
3ae54225
MK		 5758 if (ath10k_mac_bitrate_is_cck(bitrate))
5759 preamble = WMI_RATE_PREAMBLE_CCK;
5760 else
5761 preamble = WMI_RATE_PREAMBLE_OFDM;
51ab1a0a 5762
3ae54225
MK		 5763 *nss = 1;
5764 *rate = preamble << 6 |
5765 (*nss - 1) << 4 |
5766 hw_rate << 0;
51ab1a0a 5767
3ae54225 5768 return 0;
51ab1a0a
JD		 5769 }
5770
3ae54225
MK		 5771 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {
5772 if (hweight8(mask->control[band].ht_mcs[i]) == 1) {
5773 *nss = i + 1;
5774 *rate = WMI_RATE_PREAMBLE_HT << 6 |
5775 (*nss - 1) << 4 |
5776 (ffs(mask->control[band].ht_mcs[i]) - 1);
51ab1a0a 5777
3ae54225
MK		 5778 return 0;
5779 }
5780 }
51ab1a0a 5781
3ae54225
MK		 5782 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
5783 if (hweight16(mask->control[band].vht_mcs[i]) == 1) {
5784 *nss = i + 1;
5785 *rate = WMI_RATE_PREAMBLE_VHT << 6 |
5786 (*nss - 1) << 4 |
5787 (ffs(mask->control[band].vht_mcs[i]) - 1);
51ab1a0a 5788
3ae54225
MK		 5789 return 0;
5790 }
5791 }
51ab1a0a 5792
3ae54225 5793 return -EINVAL;
51ab1a0a
JD		 5794}
5795
3ae54225
MK		 5796static int ath10k_mac_set_fixed_rate_params(struct ath10k_vif *arvif,
5797 u8 rate, u8 nss, u8 sgi)
51ab1a0a
JD		 5798{
5799 struct ath10k *ar = arvif->ar;
5800 u32 vdev_param;
3ae54225 5801 int ret;
51ab1a0a 5802
3ae54225 5803 lockdep_assert_held(&ar->conf_mutex);
51ab1a0a 5804
3ae54225
MK		 5805 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac set fixed rate params vdev %i rate 0x%02hhx nss %hhu sgi %hhu\n",
5806 arvif->vdev_id, rate, nss, sgi);
9f81f725 5807
51ab1a0a 5808 vdev_param = ar->wmi.vdev_param->fixed_rate;
3ae54225 5809 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, rate);
51ab1a0a 5810 if (ret) {
7aa7a72a 5811 ath10k_warn(ar, "failed to set fixed rate param 0x%02x: %d\n",
3ae54225
MK		 5812 rate, ret);
5813 return ret;
51ab1a0a
JD		 5814 }
5815
51ab1a0a 5816 vdev_param = ar->wmi.vdev_param->nss;
3ae54225 5817 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, nss);
51ab1a0a 5818 if (ret) {
3ae54225
MK		 5819 ath10k_warn(ar, "failed to set nss param %d: %d\n", nss, ret);
5820 return ret;
51ab1a0a 5821 }
51ab1a0a 5822
9f81f725 5823 vdev_param = ar->wmi.vdev_param->sgi;
3ae54225 5824 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, sgi);
51ab1a0a 5825 if (ret) {
3ae54225
MK		 5826 ath10k_warn(ar, "failed to set sgi param %d: %d\n", sgi, ret);
5827 return ret;
51ab1a0a
JD		 5828 }
5829
3ae54225 5830 return 0;
51ab1a0a 5831}
51ab1a0a 5832
45c9abc0
MK		 5833static bool
5834ath10k_mac_can_set_bitrate_mask(struct ath10k *ar,
5835 enum ieee80211_band band,
5836 const struct cfg80211_bitrate_mask *mask)
5837{
5838 int i;
5839 u16 vht_mcs;
9f81f725 5840
45c9abc0
MK		 5841 /* Due to firmware limitation in WMI_PEER_ASSOC_CMDID it is impossible
5842 * to express all VHT MCS rate masks. Effectively only the following
5843 * ranges can be used: none, 0-7, 0-8 and 0-9.
5844 */
5845 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
5846 vht_mcs = mask->control[band].vht_mcs[i];
5847
5848 switch (vht_mcs) {
5849 case 0:
5850 case BIT(8) - 1:
5851 case BIT(9) - 1:
5852 case BIT(10) - 1:
5853 break;
5854 default:
5855 ath10k_warn(ar, "refusing bitrate mask with missing 0-7 VHT MCS rates\n");
5856 return false;
5857 }
9f81f725
JD		 5858 }
5859
45c9abc0
MK		 5860 return true;
5861}
9f81f725 5862
45c9abc0
MK		 5863static void ath10k_mac_set_bitrate_mask_iter(void *data,
5864 struct ieee80211_sta *sta)
5865{
5866 struct ath10k_vif *arvif = data;
5867 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
5868 struct ath10k *ar = arvif->ar;
5869
5870 if (arsta->arvif != arvif)
5871 return;
5872
5873 spin_lock_bh(&ar->data_lock);
5874 arsta->changed |= IEEE80211_RC_SUPP_RATES_CHANGED;
5875 spin_unlock_bh(&ar->data_lock);
5876
5877 ieee80211_queue_work(ar->hw, &arsta->update_wk);
51ab1a0a
JD		 5878}
5879
3ae54225
MK		 5880static int ath10k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw,
5881 struct ieee80211_vif *vif,
5882 const struct cfg80211_bitrate_mask *mask)
51ab1a0a
JD		 5883{
5884 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
500ff9f9 5885 struct cfg80211_chan_def def;
51ab1a0a 5886 struct ath10k *ar = arvif->ar;
500ff9f9 5887 enum ieee80211_band band;
45c9abc0
MK		 5888 const u8 *ht_mcs_mask;
5889 const u16 *vht_mcs_mask;
3ae54225
MK		 5890 u8 rate;
5891 u8 nss;
5892 u8 sgi;
5893 int single_nss;
5894 int ret;
9f81f725 5895
500ff9f9
MK		 5896 if (ath10k_mac_vif_chan(vif, &def))
5897 return -EPERM;
b116ea19 5898
500ff9f9 5899 band = def.chan->band;
45c9abc0
MK		 5900 ht_mcs_mask = mask->control[band].ht_mcs;
5901 vht_mcs_mask = mask->control[band].vht_mcs;
b116ea19 5902
3ae54225
MK		 5903 sgi = mask->control[band].gi;
5904 if (sgi == NL80211_TXRATE_FORCE_LGI)
9f81f725 5905 return -EINVAL;
51ab1a0a 5906
3ae54225
MK		 5907 if (ath10k_mac_bitrate_mask_has_single_rate(ar, band, mask)) {
5908 ret = ath10k_mac_bitrate_mask_get_single_rate(ar, band, mask,
5909 &rate, &nss);
5910 if (ret) {
5911 ath10k_warn(ar, "failed to get single rate for vdev %i: %d\n",
5912 arvif->vdev_id, ret);
5913 return ret;
5914 }
5915 } else if (ath10k_mac_bitrate_mask_get_single_nss(ar, band, mask,
5916 &single_nss)) {
5917 rate = WMI_FIXED_RATE_NONE;
5918 nss = single_nss;
5919 } else {
5920 rate = WMI_FIXED_RATE_NONE;
45c9abc0
MK		 5921 nss = min(ar->num_rf_chains,
5922 max(ath10k_mac_max_ht_nss(ht_mcs_mask),
5923 ath10k_mac_max_vht_nss(vht_mcs_mask)));
5924
5925 if (!ath10k_mac_can_set_bitrate_mask(ar, band, mask))
51ab1a0a 5926 return -EINVAL;
45c9abc0
MK		 5927
5928 mutex_lock(&ar->conf_mutex);
5929
5930 arvif->bitrate_mask = *mask;
5931 ieee80211_iterate_stations_atomic(ar->hw,
5932 ath10k_mac_set_bitrate_mask_iter,
5933 arvif);
5934
5935 mutex_unlock(&ar->conf_mutex);
51ab1a0a
JD		 5936 }
5937
3ae54225
MK		 5938 mutex_lock(&ar->conf_mutex);
5939
5940 ret = ath10k_mac_set_fixed_rate_params(arvif, rate, nss, sgi);
5941 if (ret) {
5942 ath10k_warn(ar, "failed to set fixed rate params on vdev %i: %d\n",
5943 arvif->vdev_id, ret);
5944 goto exit;
9f81f725
JD		 5945 }
5946
3ae54225
MK		 5947exit:
5948 mutex_unlock(&ar->conf_mutex);
5949
5950 return ret;
51ab1a0a
JD		 5951}
5952
9797febc
MK		 5953static void ath10k_sta_rc_update(struct ieee80211_hw *hw,
5954 struct ieee80211_vif *vif,
5955 struct ieee80211_sta *sta,
5956 u32 changed)
5957{
5958 struct ath10k *ar = hw->priv;
5959 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
5960 u32 bw, smps;
5961
5962 spin_lock_bh(&ar->data_lock);
5963
7aa7a72a 5964 ath10k_dbg(ar, ATH10K_DBG_MAC,
9797febc
MK		 5965 "mac sta rc update for %pM changed %08x bw %d nss %d smps %d\n",
5966 sta->addr, changed, sta->bandwidth, sta->rx_nss,
5967 sta->smps_mode);
5968
5969 if (changed & IEEE80211_RC_BW_CHANGED) {
5970 bw = WMI_PEER_CHWIDTH_20MHZ;
5971
5972 switch (sta->bandwidth) {
5973 case IEEE80211_STA_RX_BW_20:
5974 bw = WMI_PEER_CHWIDTH_20MHZ;
5975 break;
5976 case IEEE80211_STA_RX_BW_40:
5977 bw = WMI_PEER_CHWIDTH_40MHZ;
5978 break;
5979 case IEEE80211_STA_RX_BW_80:
5980 bw = WMI_PEER_CHWIDTH_80MHZ;
5981 break;
5982 case IEEE80211_STA_RX_BW_160:
d939be3a 5983 ath10k_warn(ar, "Invalid bandwidth %d in rc update for %pM\n",
be6546fc 5984 sta->bandwidth, sta->addr);
9797febc
MK		 5985 bw = WMI_PEER_CHWIDTH_20MHZ;
5986 break;
5987 }
5988
5989 arsta->bw = bw;
5990 }
5991
5992 if (changed & IEEE80211_RC_NSS_CHANGED)
5993 arsta->nss = sta->rx_nss;
5994
5995 if (changed & IEEE80211_RC_SMPS_CHANGED) {
5996 smps = WMI_PEER_SMPS_PS_NONE;
5997
5998 switch (sta->smps_mode) {
5999 case IEEE80211_SMPS_AUTOMATIC:
6000 case IEEE80211_SMPS_OFF:
6001 smps = WMI_PEER_SMPS_PS_NONE;
6002 break;
6003 case IEEE80211_SMPS_STATIC:
6004 smps = WMI_PEER_SMPS_STATIC;
6005 break;
6006 case IEEE80211_SMPS_DYNAMIC:
6007 smps = WMI_PEER_SMPS_DYNAMIC;
6008 break;
6009 case IEEE80211_SMPS_NUM_MODES:
7aa7a72a 6010 ath10k_warn(ar, "Invalid smps %d in sta rc update for %pM\n",
be6546fc 6011 sta->smps_mode, sta->addr);
9797febc
MK		 6012 smps = WMI_PEER_SMPS_PS_NONE;
6013 break;
6014 }
6015
6016 arsta->smps = smps;
6017 }
6018
9797febc
MK		 6019 arsta->changed |= changed;
6020
6021 spin_unlock_bh(&ar->data_lock);
6022
6023 ieee80211_queue_work(hw, &arsta->update_wk);
6024}
6025
26ebbccf
CYY		 6026static u64 ath10k_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
6027{
6028 /*
6029 * FIXME: Return 0 for time being. Need to figure out whether FW
6030 * has the API to fetch 64-bit local TSF
6031 */
6032
6033 return 0;
6034}
6035
aa5b4fbc
MK		 6036static int ath10k_ampdu_action(struct ieee80211_hw *hw,
6037 struct ieee80211_vif *vif,
6038 enum ieee80211_ampdu_mlme_action action,
6039 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
6040 u8 buf_size)
6041{
7aa7a72a 6042 struct ath10k *ar = hw->priv;
aa5b4fbc
MK		 6043 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
6044
7aa7a72a 6045 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ampdu vdev_id %i sta %pM tid %hu action %d\n",
aa5b4fbc
MK		 6046 arvif->vdev_id, sta->addr, tid, action);
6047
6048 switch (action) {
6049 case IEEE80211_AMPDU_RX_START:
6050 case IEEE80211_AMPDU_RX_STOP:
6051 /* HTT AddBa/DelBa events trigger mac80211 Rx BA session
6052 * creation/removal. Do we need to verify this?
6053 */
6054 return 0;
6055 case IEEE80211_AMPDU_TX_START:
6056 case IEEE80211_AMPDU_TX_STOP_CONT:
6057 case IEEE80211_AMPDU_TX_STOP_FLUSH:
6058 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
6059 case IEEE80211_AMPDU_TX_OPERATIONAL:
6060 /* Firmware offloads Tx aggregation entirely so deny mac80211
6061 * Tx aggregation requests.
6062 */
6063 return -EOPNOTSUPP;
6064 }
6065
6066 return -EINVAL;
6067}
6068
500ff9f9 6069static void
d7bf4b4a
MK		 6070ath10k_mac_update_rx_channel(struct ath10k *ar,
6071 struct ieee80211_chanctx_conf *ctx,
6072 struct ieee80211_vif_chanctx_switch *vifs,
6073 int n_vifs)
500ff9f9
MK		 6074{
6075 struct cfg80211_chan_def *def = NULL;
6076
6077 /* Both locks are required because ar->rx_channel is modified. This
6078 * allows readers to hold either lock.
6079 */
6080 lockdep_assert_held(&ar->conf_mutex);
6081 lockdep_assert_held(&ar->data_lock);
6082
d7bf4b4a
MK		 6083 WARN_ON(ctx && vifs);
6084 WARN_ON(vifs && n_vifs != 1);
6085
500ff9f9
MK		 6086 /* FIXME: Sort of an optimization and a workaround. Peers and vifs are
6087 * on a linked list now. Doing a lookup peer -> vif -> chanctx for each
6088 * ppdu on Rx may reduce performance on low-end systems. It should be
6089 * possible to make tables/hashmaps to speed the lookup up (be vary of
6090 * cpu data cache lines though regarding sizes) but to keep the initial
6091 * implementation simple and less intrusive fallback to the slow lookup
6092 * only for multi-channel cases. Single-channel cases will remain to
6093 * use the old channel derival and thus performance should not be
6094 * affected much.
6095 */
6096 rcu_read_lock();
d7bf4b4a 6097 if (!ctx && ath10k_mac_num_chanctxs(ar) == 1) {
500ff9f9
MK		 6098 ieee80211_iter_chan_contexts_atomic(ar->hw,
6099 ath10k_mac_get_any_chandef_iter,
6100 &def);
d7bf4b4a
MK		 6101
6102 if (vifs)
6103 def = &vifs[0].new_ctx->def;
6104
500ff9f9 6105 ar->rx_channel = def->chan;
d7bf4b4a
MK		 6106 } else if (ctx && ath10k_mac_num_chanctxs(ar) == 0) {
6107 ar->rx_channel = ctx->def.chan;
500ff9f9
MK		 6108 } else {
6109 ar->rx_channel = NULL;
6110 }
6111 rcu_read_unlock();
6112}
6113
500ff9f9
MK		 6114static int
6115ath10k_mac_op_add_chanctx(struct ieee80211_hw *hw,
6116 struct ieee80211_chanctx_conf *ctx)
6117{
6118 struct ath10k *ar = hw->priv;
500ff9f9
MK		 6119
6120 ath10k_dbg(ar, ATH10K_DBG_MAC,
6121 "mac chanctx add freq %hu width %d ptr %p\n",
6122 ctx->def.chan->center_freq, ctx->def.width, ctx);
6123
6124 mutex_lock(&ar->conf_mutex);
6125
6126 spin_lock_bh(&ar->data_lock);
d7bf4b4a 6127 ath10k_mac_update_rx_channel(ar, ctx, NULL, 0);
500ff9f9
MK		 6128 spin_unlock_bh(&ar->data_lock);
6129
6130 ath10k_recalc_radar_detection(ar);
6131 ath10k_monitor_recalc(ar);
6132
6133 mutex_unlock(&ar->conf_mutex);
6134
6135 return 0;
6136}
6137
6138static void
6139ath10k_mac_op_remove_chanctx(struct ieee80211_hw *hw,
6140 struct ieee80211_chanctx_conf *ctx)
6141{
6142 struct ath10k *ar = hw->priv;
6143
6144 ath10k_dbg(ar, ATH10K_DBG_MAC,
6145 "mac chanctx remove freq %hu width %d ptr %p\n",
6146 ctx->def.chan->center_freq, ctx->def.width, ctx);
6147
6148 mutex_lock(&ar->conf_mutex);
6149
6150 spin_lock_bh(&ar->data_lock);
d7bf4b4a 6151 ath10k_mac_update_rx_channel(ar, NULL, NULL, 0);
500ff9f9
MK		 6152 spin_unlock_bh(&ar->data_lock);
6153
6154 ath10k_recalc_radar_detection(ar);
6155 ath10k_monitor_recalc(ar);
6156
6157 mutex_unlock(&ar->conf_mutex);
6158}
6159
6160static void
6161ath10k_mac_op_change_chanctx(struct ieee80211_hw *hw,
6162 struct ieee80211_chanctx_conf *ctx,
6163 u32 changed)
6164{
6165 struct ath10k *ar = hw->priv;
500ff9f9
MK		 6166
6167 mutex_lock(&ar->conf_mutex);
6168
6169 ath10k_dbg(ar, ATH10K_DBG_MAC,
089ab7a5
MK		 6170 "mac chanctx change freq %hu width %d ptr %p changed %x\n",
6171 ctx->def.chan->center_freq, ctx->def.width, ctx, changed);
500ff9f9
MK		 6172
6173 /* This shouldn't really happen because channel switching should use
6174 * switch_vif_chanctx().
6175 */
6176 if (WARN_ON(changed & IEEE80211_CHANCTX_CHANGE_CHANNEL))
6177 goto unlock;
6178
500ff9f9
MK		 6179 ath10k_recalc_radar_detection(ar);
6180
6181 /* FIXME: How to configure Rx chains properly? */
6182
6183 /* No other actions are actually necessary. Firmware maintains channel
6184 * definitions per vdev internally and there's no host-side channel
6185 * context abstraction to configure, e.g. channel width.
6186 */
6187
6188unlock:
6189 mutex_unlock(&ar->conf_mutex);
6190}
6191
6192static int
6193ath10k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw,
6194 struct ieee80211_vif *vif,
6195 struct ieee80211_chanctx_conf *ctx)
6196{
6197 struct ath10k *ar = hw->priv;
500ff9f9
MK		 6198 struct ath10k_vif *arvif = (void *)vif->drv_priv;
6199 int ret;
6200
6201 mutex_lock(&ar->conf_mutex);
6202
6203 ath10k_dbg(ar, ATH10K_DBG_MAC,
6204 "mac chanctx assign ptr %p vdev_id %i\n",
6205 ctx, arvif->vdev_id);
6206
6207 if (WARN_ON(arvif->is_started)) {
6208 mutex_unlock(&ar->conf_mutex);
6209 return -EBUSY;
6210 }
6211
089ab7a5 6212 ret = ath10k_vdev_start(arvif, &ctx->def);
500ff9f9
MK		 6213 if (ret) {
6214 ath10k_warn(ar, "failed to start vdev %i addr %pM on freq %d: %d\n",
6215 arvif->vdev_id, vif->addr,
089ab7a5 6216 ctx->def.chan->center_freq, ret);
500ff9f9
MK		 6217 goto err;
6218 }
6219
6220 arvif->is_started = true;
6221
6222 if (vif->type == NL80211_IFTYPE_MONITOR) {
6223 ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, 0, vif->addr);
6224 if (ret) {
6225 ath10k_warn(ar, "failed to up monitor vdev %i: %d\n",
6226 arvif->vdev_id, ret);
6227 goto err_stop;
6228 }
6229
6230 arvif->is_up = true;
6231 }
6232
6233 mutex_unlock(&ar->conf_mutex);
6234 return 0;
6235
6236err_stop:
6237 ath10k_vdev_stop(arvif);
6238 arvif->is_started = false;
6239
6240err:
6241 mutex_unlock(&ar->conf_mutex);
6242 return ret;
6243}
6244
6245static void
6246ath10k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw,
6247 struct ieee80211_vif *vif,
6248 struct ieee80211_chanctx_conf *ctx)
6249{
6250 struct ath10k *ar = hw->priv;
6251 struct ath10k_vif *arvif = (void *)vif->drv_priv;
6252 int ret;
6253
6254 mutex_lock(&ar->conf_mutex);
6255
6256 ath10k_dbg(ar, ATH10K_DBG_MAC,
6257 "mac chanctx unassign ptr %p vdev_id %i\n",
6258 ctx, arvif->vdev_id);
6259
6260 WARN_ON(!arvif->is_started);
6261
6262 if (vif->type == NL80211_IFTYPE_MONITOR) {
6263 WARN_ON(!arvif->is_up);
6264
6265 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
6266 if (ret)
6267 ath10k_warn(ar, "failed to down monitor vdev %i: %d\n",
6268 arvif->vdev_id, ret);
6269
6270 arvif->is_up = false;
6271 }
6272
6273 ret = ath10k_vdev_stop(arvif);
6274 if (ret)
6275 ath10k_warn(ar, "failed to stop vdev %i: %d\n",
6276 arvif->vdev_id, ret);
6277
6278 arvif->is_started = false;
6279
6280 mutex_unlock(&ar->conf_mutex);
6281}
6282
6283static int
6284ath10k_mac_op_switch_vif_chanctx(struct ieee80211_hw *hw,
6285 struct ieee80211_vif_chanctx_switch *vifs,
6286 int n_vifs,
6287 enum ieee80211_chanctx_switch_mode mode)
6288{
6289 struct ath10k *ar = hw->priv;
6290 struct ath10k_vif *arvif;
0e6eb417 6291 int ret;
500ff9f9
MK		 6292 int i;
6293
6294 mutex_lock(&ar->conf_mutex);
6295
6296 ath10k_dbg(ar, ATH10K_DBG_MAC,
6297 "mac chanctx switch n_vifs %d mode %d\n",
6298 n_vifs, mode);
6299
0e6eb417
MK		 6300 /* First stop monitor interface. Some FW versions crash if there's a
6301 * lone monitor interface.
6302 */
6303 if (ar->monitor_started)
6304 ath10k_monitor_stop(ar);
6305
500ff9f9
MK		 6306 for (i = 0; i < n_vifs; i++) {
6307 arvif = ath10k_vif_to_arvif(vifs[i].vif);
500ff9f9
MK		 6308
6309 ath10k_dbg(ar, ATH10K_DBG_MAC,
089ab7a5 6310 "mac chanctx switch vdev_id %i freq %hu->%hu width %d->%d\n",
500ff9f9
MK		 6311 arvif->vdev_id,
6312 vifs[i].old_ctx->def.chan->center_freq,
6313 vifs[i].new_ctx->def.chan->center_freq,
6314 vifs[i].old_ctx->def.width,
089ab7a5 6315 vifs[i].new_ctx->def.width);
0e6eb417
MK		 6316
6317 if (WARN_ON(!arvif->is_started))
6318 continue;
6319
6320 if (WARN_ON(!arvif->is_up))
6321 continue;
6322
6323 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
6324 if (ret) {
6325 ath10k_warn(ar, "failed to down vdev %d: %d\n",
6326 arvif->vdev_id, ret);
6327 continue;
6328 }
500ff9f9 6329 }
0e6eb417
MK		 6330
6331 /* All relevant vdevs are downed and associated channel resources
6332 * should be available for the channel switch now.
6333 */
6334
6335 spin_lock_bh(&ar->data_lock);
d7bf4b4a 6336 ath10k_mac_update_rx_channel(ar, NULL, vifs, n_vifs);
500ff9f9
MK		 6337 spin_unlock_bh(&ar->data_lock);
6338
0e6eb417
MK		 6339 for (i = 0; i < n_vifs; i++) {
6340 arvif = ath10k_vif_to_arvif(vifs[i].vif);
6341
6342 if (WARN_ON(!arvif->is_started))
6343 continue;
6344
6345 if (WARN_ON(!arvif->is_up))
6346 continue;
6347
6348 ret = ath10k_mac_setup_bcn_tmpl(arvif);
6349 if (ret)
6350 ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n",
6351 ret);
6352
6353 ret = ath10k_mac_setup_prb_tmpl(arvif);
6354 if (ret)
6355 ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n",
6356 ret);
6357
6358 ret = ath10k_vdev_restart(arvif, &vifs[i].new_ctx->def);
6359 if (ret) {
6360 ath10k_warn(ar, "failed to restart vdev %d: %d\n",
6361 arvif->vdev_id, ret);
6362 continue;
6363 }
6364
6365 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
6366 arvif->bssid);
6367 if (ret) {
6368 ath10k_warn(ar, "failed to bring vdev up %d: %d\n",
6369 arvif->vdev_id, ret);
6370 continue;
6371 }
6372 }
6373
6374 ath10k_monitor_recalc(ar);
500ff9f9
MK		 6375
6376 mutex_unlock(&ar->conf_mutex);
6377 return 0;
6378}
6379
5e3dd157
KV		 6380static const struct ieee80211_ops ath10k_ops = {
6381 .tx = ath10k_tx,
6382 .start = ath10k_start,
6383 .stop = ath10k_stop,
6384 .config = ath10k_config,
6385 .add_interface = ath10k_add_interface,
6386 .remove_interface = ath10k_remove_interface,
6387 .configure_filter = ath10k_configure_filter,
6388 .bss_info_changed = ath10k_bss_info_changed,
6389 .hw_scan = ath10k_hw_scan,
6390 .cancel_hw_scan = ath10k_cancel_hw_scan,
6391 .set_key = ath10k_set_key,
627613f8 6392 .set_default_unicast_key = ath10k_set_default_unicast_key,
5e3dd157
KV		 6393 .sta_state = ath10k_sta_state,
6394 .conf_tx = ath10k_conf_tx,
6395 .remain_on_channel = ath10k_remain_on_channel,
6396 .cancel_remain_on_channel = ath10k_cancel_remain_on_channel,
6397 .set_rts_threshold = ath10k_set_rts_threshold,
5e3dd157
KV		 6398 .flush = ath10k_flush,
6399 .tx_last_beacon = ath10k_tx_last_beacon,
46acf7bb
BG		 6400 .set_antenna = ath10k_set_antenna,
6401 .get_antenna = ath10k_get_antenna,
cf2c92d8 6402 .reconfig_complete = ath10k_reconfig_complete,
2e1dea40 6403 .get_survey = ath10k_get_survey,
3ae54225 6404 .set_bitrate_mask = ath10k_mac_op_set_bitrate_mask,
9797febc 6405 .sta_rc_update = ath10k_sta_rc_update,
26ebbccf 6406 .get_tsf = ath10k_get_tsf,
aa5b4fbc 6407 .ampdu_action = ath10k_ampdu_action,
6cddcc7a
BG		 6408 .get_et_sset_count = ath10k_debug_get_et_sset_count,
6409 .get_et_stats = ath10k_debug_get_et_stats,
6410 .get_et_strings = ath10k_debug_get_et_strings,
500ff9f9
MK		 6411 .add_chanctx = ath10k_mac_op_add_chanctx,
6412 .remove_chanctx = ath10k_mac_op_remove_chanctx,
6413 .change_chanctx = ath10k_mac_op_change_chanctx,
6414 .assign_vif_chanctx = ath10k_mac_op_assign_vif_chanctx,
6415 .unassign_vif_chanctx = ath10k_mac_op_unassign_vif_chanctx,
6416 .switch_vif_chanctx = ath10k_mac_op_switch_vif_chanctx,
43d2a30f
KV		 6417
6418 CFG80211_TESTMODE_CMD(ath10k_tm_cmd)
6419
8cd13cad 6420#ifdef CONFIG_PM
5fd3ac3c
JD		 6421 .suspend = ath10k_wow_op_suspend,
6422 .resume = ath10k_wow_op_resume,
8cd13cad 6423#endif
f5045988
RM		 6424#ifdef CONFIG_MAC80211_DEBUGFS
6425 .sta_add_debugfs = ath10k_sta_add_debugfs,
6426#endif
5e3dd157
KV		 6427};
6428
5e3dd157
KV		 6429#define CHAN2G(_channel, _freq, _flags) { \
6430 .band = IEEE80211_BAND_2GHZ, \
6431 .hw_value = (_channel), \
6432 .center_freq = (_freq), \
6433 .flags = (_flags), \
6434 .max_antenna_gain = 0, \
6435 .max_power = 30, \
6436}
6437
6438#define CHAN5G(_channel, _freq, _flags) { \
6439 .band = IEEE80211_BAND_5GHZ, \
6440 .hw_value = (_channel), \
6441 .center_freq = (_freq), \
6442 .flags = (_flags), \
6443 .max_antenna_gain = 0, \
6444 .max_power = 30, \
6445}
6446
6447static const struct ieee80211_channel ath10k_2ghz_channels[] = {
6448 CHAN2G(1, 2412, 0),
6449 CHAN2G(2, 2417, 0),
6450 CHAN2G(3, 2422, 0),
6451 CHAN2G(4, 2427, 0),
6452 CHAN2G(5, 2432, 0),
6453 CHAN2G(6, 2437, 0),
6454 CHAN2G(7, 2442, 0),
6455 CHAN2G(8, 2447, 0),
6456 CHAN2G(9, 2452, 0),
6457 CHAN2G(10, 2457, 0),
6458 CHAN2G(11, 2462, 0),
6459 CHAN2G(12, 2467, 0),
6460 CHAN2G(13, 2472, 0),
6461 CHAN2G(14, 2484, 0),
6462};
6463
6464static const struct ieee80211_channel ath10k_5ghz_channels[] = {
429ff56a
MK		 6465 CHAN5G(36, 5180, 0),
6466 CHAN5G(40, 5200, 0),
6467 CHAN5G(44, 5220, 0),
6468 CHAN5G(48, 5240, 0),
6469 CHAN5G(52, 5260, 0),
6470 CHAN5G(56, 5280, 0),
6471 CHAN5G(60, 5300, 0),
6472 CHAN5G(64, 5320, 0),
6473 CHAN5G(100, 5500, 0),
6474 CHAN5G(104, 5520, 0),
6475 CHAN5G(108, 5540, 0),
6476 CHAN5G(112, 5560, 0),
6477 CHAN5G(116, 5580, 0),
6478 CHAN5G(120, 5600, 0),
6479 CHAN5G(124, 5620, 0),
6480 CHAN5G(128, 5640, 0),
6481 CHAN5G(132, 5660, 0),
6482 CHAN5G(136, 5680, 0),
6483 CHAN5G(140, 5700, 0),
4a7898fe 6484 CHAN5G(144, 5720, 0),
429ff56a
MK		 6485 CHAN5G(149, 5745, 0),
6486 CHAN5G(153, 5765, 0),
6487 CHAN5G(157, 5785, 0),
6488 CHAN5G(161, 5805, 0),
6489 CHAN5G(165, 5825, 0),
5e3dd157
KV		 6490};
6491
e7b54194 6492struct ath10k *ath10k_mac_create(size_t priv_size)
5e3dd157
KV		 6493{
6494 struct ieee80211_hw *hw;
6495 struct ath10k *ar;
6496
e7b54194 6497 hw = ieee80211_alloc_hw(sizeof(struct ath10k) + priv_size, &ath10k_ops);
5e3dd157
KV		 6498 if (!hw)
6499 return NULL;
6500
6501 ar = hw->priv;
6502 ar->hw = hw;
6503
6504 return ar;
6505}
6506
6507void ath10k_mac_destroy(struct ath10k *ar)
6508{
6509 ieee80211_free_hw(ar->hw);
6510}
6511
6512static const struct ieee80211_iface_limit ath10k_if_limits[] = {
6513 {
6514 .max = 8,
6515 .types = BIT(NL80211_IFTYPE_STATION)
6516 | BIT(NL80211_IFTYPE_P2P_CLIENT)
d531cb85
MK		 6517 },
6518 {
6519 .max = 3,
6520 .types = BIT(NL80211_IFTYPE_P2P_GO)
6521 },
6522 {
75d2bd48
MK		 6523 .max = 1,
6524 .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
6525 },
6526 {
d531cb85
MK		 6527 .max = 7,
6528 .types = BIT(NL80211_IFTYPE_AP)
6529 },
5e3dd157
KV		 6530};
6531
f259509b 6532static const struct ieee80211_iface_limit ath10k_10x_if_limits[] = {
e8a50f8b
MP		 6533 {
6534 .max = 8,
6535 .types = BIT(NL80211_IFTYPE_AP)
6536 },
6537};
e8a50f8b
MP		 6538
6539static const struct ieee80211_iface_combination ath10k_if_comb[] = {
6540 {
6541 .limits = ath10k_if_limits,
6542 .n_limits = ARRAY_SIZE(ath10k_if_limits),
6543 .max_interfaces = 8,
6544 .num_different_channels = 1,
6545 .beacon_int_infra_match = true,
6546 },
f259509b
BM		 6547};
6548
6549static const struct ieee80211_iface_combination ath10k_10x_if_comb[] = {
e8a50f8b 6550 {
f259509b
BM		 6551 .limits = ath10k_10x_if_limits,
6552 .n_limits = ARRAY_SIZE(ath10k_10x_if_limits),
e8a50f8b
MP		 6553 .max_interfaces = 8,
6554 .num_different_channels = 1,
6555 .beacon_int_infra_match = true,
f259509b 6556#ifdef CONFIG_ATH10K_DFS_CERTIFIED
e8a50f8b
MP		 6557 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
6558 BIT(NL80211_CHAN_WIDTH_20) |
6559 BIT(NL80211_CHAN_WIDTH_40) |
6560 BIT(NL80211_CHAN_WIDTH_80),
e8a50f8b 6561#endif
f259509b 6562 },
5e3dd157
KV		 6563};
6564
cf32784c
MK		 6565static const struct ieee80211_iface_limit ath10k_tlv_if_limit[] = {
6566 {
6567 .max = 2,
6568 .types = BIT(NL80211_IFTYPE_STATION) |
6569 BIT(NL80211_IFTYPE_AP) |
6570 BIT(NL80211_IFTYPE_P2P_CLIENT) |
6571 BIT(NL80211_IFTYPE_P2P_GO),
6572 },
6573 {
6574 .max = 1,
6575 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
6576 },
6577};
6578
6579static const struct ieee80211_iface_limit ath10k_tlv_if_limit_ibss[] = {
6580 {
6581 .max = 1,
6582 .types = BIT(NL80211_IFTYPE_STATION),
6583 },
6584 {
6585 .max = 1,
6586 .types = BIT(NL80211_IFTYPE_ADHOC),
6587 },
6588};
6589
6590/* FIXME: This is not thouroughly tested. These combinations may over- or
6591 * underestimate hw/fw capabilities.
6592 */
6593static struct ieee80211_iface_combination ath10k_tlv_if_comb[] = {
6594 {
6595 .limits = ath10k_tlv_if_limit,
6596 .num_different_channels = 1,
6597 .max_interfaces = 3,
6598 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit),
6599 },
6600 {
6601 .limits = ath10k_tlv_if_limit_ibss,
6602 .num_different_channels = 1,
6603 .max_interfaces = 2,
6604 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss),
6605 },
6606};
6607
6608static struct ieee80211_iface_combination ath10k_tlv_qcs_if_comb[] = {
6609 {
6610 .limits = ath10k_tlv_if_limit,
6611 .num_different_channels = 2,
6612 .max_interfaces = 3,
6613 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit),
6614 },
6615 {
6616 .limits = ath10k_tlv_if_limit_ibss,
6617 .num_different_channels = 1,
6618 .max_interfaces = 2,
6619 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss),
6620 },
6621};
6622
5e3dd157
KV		 6623static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar)
6624{
6625 struct ieee80211_sta_vht_cap vht_cap = {0};
6626 u16 mcs_map;
bc657a36 6627 u32 val;
8865bee4 6628 int i;
5e3dd157
KV		 6629
6630 vht_cap.vht_supported = 1;
6631 vht_cap.cap = ar->vht_cap_info;
6632
bc657a36
MK		 6633 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
6634 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) {
6635 val = ar->num_rf_chains - 1;
6636 val <<= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
6637 val &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
6638
6639 vht_cap.cap |= val;
6640 }
6641
6642 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
6643 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) {
6644 val = ar->num_rf_chains - 1;
6645 val <<= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
6646 val &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
6647
6648 vht_cap.cap |= val;
6649 }
6650
8865bee4
MK		 6651 mcs_map = 0;
6652 for (i = 0; i < 8; i++) {
6653 if (i < ar->num_rf_chains)
6654 mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i*2);
6655 else
6656 mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i*2);
6657 }
5e3dd157
KV		 6658
6659 vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
6660 vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
6661
6662 return vht_cap;
6663}
6664
6665static struct ieee80211_sta_ht_cap ath10k_get_ht_cap(struct ath10k *ar)
6666{
6667 int i;
6668 struct ieee80211_sta_ht_cap ht_cap = {0};
6669
6670 if (!(ar->ht_cap_info & WMI_HT_CAP_ENABLED))
6671 return ht_cap;
6672
6673 ht_cap.ht_supported = 1;
6674 ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
6675 ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8;
6676 ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
6677 ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
6678 ht_cap.cap |= WLAN_HT_CAP_SM_PS_STATIC << IEEE80211_HT_CAP_SM_PS_SHIFT;
6679
6680 if (ar->ht_cap_info & WMI_HT_CAP_HT20_SGI)
6681 ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
6682
6683 if (ar->ht_cap_info & WMI_HT_CAP_HT40_SGI)
6684 ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
6685
6686 if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) {
6687 u32 smps;
6688
6689 smps = WLAN_HT_CAP_SM_PS_DYNAMIC;
6690 smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT;
6691
6692 ht_cap.cap |= smps;
6693 }
6694
6695 if (ar->ht_cap_info & WMI_HT_CAP_TX_STBC)
6696 ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC;
6697
6698 if (ar->ht_cap_info & WMI_HT_CAP_RX_STBC) {
6699 u32 stbc;
6700
6701 stbc = ar->ht_cap_info;
6702 stbc &= WMI_HT_CAP_RX_STBC;
6703 stbc >>= WMI_HT_CAP_RX_STBC_MASK_SHIFT;
6704 stbc <<= IEEE80211_HT_CAP_RX_STBC_SHIFT;
6705 stbc &= IEEE80211_HT_CAP_RX_STBC;
6706
6707 ht_cap.cap |= stbc;
6708 }
6709
6710 if (ar->ht_cap_info & WMI_HT_CAP_LDPC)
6711 ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
6712
6713 if (ar->ht_cap_info & WMI_HT_CAP_L_SIG_TXOP_PROT)
6714 ht_cap.cap |= IEEE80211_HT_CAP_LSIG_TXOP_PROT;
6715
6716 /* max AMSDU is implicitly taken from vht_cap_info */
6717 if (ar->vht_cap_info & WMI_VHT_CAP_MAX_MPDU_LEN_MASK)
6718 ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU;
6719
8865bee4 6720 for (i = 0; i < ar->num_rf_chains; i++)
5e3dd157
KV		 6721 ht_cap.mcs.rx_mask[i] = 0xFF;
6722
6723 ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED;
6724
6725 return ht_cap;
6726}
6727
5e3dd157
KV		 6728static void ath10k_get_arvif_iter(void *data, u8 *mac,
6729 struct ieee80211_vif *vif)
6730{
6731 struct ath10k_vif_iter *arvif_iter = data;
6732 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
6733
6734 if (arvif->vdev_id == arvif_iter->vdev_id)
6735 arvif_iter->arvif = arvif;
6736}
6737
6738struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id)
6739{
6740 struct ath10k_vif_iter arvif_iter;
6741 u32 flags;
6742
6743 memset(&arvif_iter, 0, sizeof(struct ath10k_vif_iter));
6744 arvif_iter.vdev_id = vdev_id;
6745
6746 flags = IEEE80211_IFACE_ITER_RESUME_ALL;
6747 ieee80211_iterate_active_interfaces_atomic(ar->hw,
6748 flags,
6749 ath10k_get_arvif_iter,
6750 &arvif_iter);
6751 if (!arvif_iter.arvif) {
7aa7a72a 6752 ath10k_warn(ar, "No VIF found for vdev %d\n", vdev_id);
5e3dd157
KV		 6753 return NULL;
6754 }
6755
6756 return arvif_iter.arvif;
6757}
6758
6759int ath10k_mac_register(struct ath10k *ar)
6760{
3cb10943
JB		 6761 static const u32 cipher_suites[] = {
6762 WLAN_CIPHER_SUITE_WEP40,
6763 WLAN_CIPHER_SUITE_WEP104,
6764 WLAN_CIPHER_SUITE_TKIP,
6765 WLAN_CIPHER_SUITE_CCMP,
6766 WLAN_CIPHER_SUITE_AES_CMAC,
6767 };
5e3dd157
KV		 6768 struct ieee80211_supported_band *band;
6769 struct ieee80211_sta_vht_cap vht_cap;
6770 struct ieee80211_sta_ht_cap ht_cap;
6771 void *channels;
6772 int ret;
6773
6774 SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr);
6775
6776 SET_IEEE80211_DEV(ar->hw, ar->dev);
6777
6778 ht_cap = ath10k_get_ht_cap(ar);
6779 vht_cap = ath10k_create_vht_cap(ar);
6780
c94aa7ef
MK		 6781 BUILD_BUG_ON((ARRAY_SIZE(ath10k_2ghz_channels) +
6782 ARRAY_SIZE(ath10k_5ghz_channels)) !=
6783 ATH10K_NUM_CHANS);
6784
5e3dd157
KV		 6785 if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) {
6786 channels = kmemdup(ath10k_2ghz_channels,
6787 sizeof(ath10k_2ghz_channels),
6788 GFP_KERNEL);
d6015b27
MK		 6789 if (!channels) {
6790 ret = -ENOMEM;
6791 goto err_free;
6792 }
5e3dd157
KV		 6793
6794 band = &ar->mac.sbands[IEEE80211_BAND_2GHZ];
6795 band->n_channels = ARRAY_SIZE(ath10k_2ghz_channels);
6796 band->channels = channels;
6797 band->n_bitrates = ath10k_g_rates_size;
6798 band->bitrates = ath10k_g_rates;
6799 band->ht_cap = ht_cap;
6800
d68bb12a
YL		 6801 /* Enable the VHT support at 2.4 GHz */
6802 band->vht_cap = vht_cap;
5e3dd157
KV		 6803
6804 ar->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band;
6805 }
6806
6807 if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) {
6808 channels = kmemdup(ath10k_5ghz_channels,
6809 sizeof(ath10k_5ghz_channels),
6810 GFP_KERNEL);
6811 if (!channels) {
d6015b27
MK		 6812 ret = -ENOMEM;
6813 goto err_free;
5e3dd157
KV		 6814 }
6815
6816 band = &ar->mac.sbands[IEEE80211_BAND_5GHZ];
6817 band->n_channels = ARRAY_SIZE(ath10k_5ghz_channels);
6818 band->channels = channels;
6819 band->n_bitrates = ath10k_a_rates_size;
6820 band->bitrates = ath10k_a_rates;
6821 band->ht_cap = ht_cap;
6822 band->vht_cap = vht_cap;
6823 ar->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = band;
6824 }
6825
6826 ar->hw->wiphy->interface_modes =
6827 BIT(NL80211_IFTYPE_STATION) |
d354181f
BM		 6828 BIT(NL80211_IFTYPE_AP);
6829
46acf7bb
BG		 6830 ar->hw->wiphy->available_antennas_rx = ar->supp_rx_chainmask;
6831 ar->hw->wiphy->available_antennas_tx = ar->supp_tx_chainmask;
6832
d354181f
BM		 6833 if (!test_bit(ATH10K_FW_FEATURE_NO_P2P, ar->fw_features))
6834 ar->hw->wiphy->interface_modes |=
75d2bd48 6835 BIT(NL80211_IFTYPE_P2P_DEVICE) |
d354181f
BM		 6836 BIT(NL80211_IFTYPE_P2P_CLIENT) |
6837 BIT(NL80211_IFTYPE_P2P_GO);
5e3dd157
KV		 6838
6839 ar->hw->flags = IEEE80211_HW_SIGNAL_DBM |
6840 IEEE80211_HW_SUPPORTS_PS |
6841 IEEE80211_HW_SUPPORTS_DYNAMIC_PS |
5e3dd157
KV		 6842 IEEE80211_HW_MFP_CAPABLE |
6843 IEEE80211_HW_REPORTS_TX_ACK_STATUS |
6844 IEEE80211_HW_HAS_RATE_CONTROL |
2f0f1121 6845 IEEE80211_HW_AP_LINK_PS |
3cb10943 6846 IEEE80211_HW_SPECTRUM_MGMT |
41fbf6e4 6847 IEEE80211_HW_SW_CRYPTO_CONTROL |
d98c3edc 6848 IEEE80211_HW_SUPPORT_FAST_XMIT |
500ff9f9 6849 IEEE80211_HW_CONNECTION_MONITOR |
0cd9bc14 6850 IEEE80211_HW_SUPPORTS_PER_STA_GTK |
500ff9f9 6851 IEEE80211_HW_WANT_MONITOR_VIF |
96d828d4
MK		 6852 IEEE80211_HW_CHANCTX_STA_CSA |
6853 IEEE80211_HW_QUEUE_CONTROL;
5e3dd157 6854
0d8614b4 6855 ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS;
0cd9bc14 6856 ar->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
0d8614b4 6857
5e3dd157 6858 if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS)
0d8614b4 6859 ar->hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS;
5e3dd157
KV		 6860
6861 if (ar->ht_cap_info & WMI_HT_CAP_ENABLED) {
6862 ar->hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
6863 ar->hw->flags |= IEEE80211_HW_TX_AMPDU_SETUP_IN_HW;
6864 }
6865
6866 ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID;
6867 ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN;
6868
6869 ar->hw->vif_data_size = sizeof(struct ath10k_vif);
9797febc 6870 ar->hw->sta_data_size = sizeof(struct ath10k_sta);
5e3dd157 6871
5e3dd157
KV		 6872 ar->hw->max_listen_interval = ATH10K_MAX_HW_LISTEN_INTERVAL;
6873
fbb8f1b7
MK		 6874 if (test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) {
6875 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
6876
6877 /* Firmware delivers WPS/P2P Probe Requests frames to driver so
6878 * that userspace (e.g. wpa_supplicant/hostapd) can generate
6879 * correct Probe Responses. This is more of a hack advert..
6880 */
6881 ar->hw->wiphy->probe_resp_offload |=
6882 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
6883 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
6884 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
6885 }
6886
75d85fd9
MP		 6887 if (test_bit(WMI_SERVICE_TDLS, ar->wmi.svc_map))
6888 ar->hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
6889
5e3dd157 6890 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
c2df44b3 6891 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
5e3dd157
KV		 6892 ar->hw->wiphy->max_remain_on_channel_duration = 5000;
6893
6894 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
78157a1c
RM		 6895 ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE;
6896
37a0b394
JD		 6897 ar->hw->wiphy->max_ap_assoc_sta = ar->max_num_stations;
6898
5fd3ac3c
JD		 6899 ret = ath10k_wow_init(ar);
6900 if (ret) {
6901 ath10k_warn(ar, "failed to init wow: %d\n", ret);
6902 goto err_free;
6903 }
6904
c702534a
JD		 6905 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
6906
5e3dd157
KV		 6907 /*
6908 * on LL hardware queues are managed entirely by the FW
6909 * so we only advertise to mac we can do the queues thing
6910 */
96d828d4
MK		 6911 ar->hw->queues = IEEE80211_MAX_QUEUES;
6912
6913 /* vdev_ids are used as hw queue numbers. Make sure offchan tx queue is
6914 * something that vdev_ids can't reach so that we don't stop the queue
6915 * accidentally.
6916 */
6917 ar->hw->offchannel_tx_hw_queue = IEEE80211_MAX_QUEUES - 1;
5e3dd157 6918
5cc7caf4
KV		 6919 switch (ar->wmi.op_version) {
6920 case ATH10K_FW_WMI_OP_VERSION_MAIN:
f259509b
BM		 6921 ar->hw->wiphy->iface_combinations = ath10k_if_comb;
6922 ar->hw->wiphy->n_iface_combinations =
6923 ARRAY_SIZE(ath10k_if_comb);
cf850d1d 6924 ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
5cc7caf4 6925 break;
cf32784c
MK		 6926 case ATH10K_FW_WMI_OP_VERSION_TLV:
6927 if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) {
6928 ar->hw->wiphy->iface_combinations =
6929 ath10k_tlv_qcs_if_comb;
6930 ar->hw->wiphy->n_iface_combinations =
6931 ARRAY_SIZE(ath10k_tlv_qcs_if_comb);
6932 } else {
6933 ar->hw->wiphy->iface_combinations = ath10k_tlv_if_comb;
6934 ar->hw->wiphy->n_iface_combinations =
6935 ARRAY_SIZE(ath10k_tlv_if_comb);
6936 }
6937 ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
6938 break;
5cc7caf4
KV		 6939 case ATH10K_FW_WMI_OP_VERSION_10_1:
6940 case ATH10K_FW_WMI_OP_VERSION_10_2:
4a16fbec 6941 case ATH10K_FW_WMI_OP_VERSION_10_2_4:
5cc7caf4
KV		 6942 ar->hw->wiphy->iface_combinations = ath10k_10x_if_comb;
6943 ar->hw->wiphy->n_iface_combinations =
6944 ARRAY_SIZE(ath10k_10x_if_comb);
6945 break;
6946 case ATH10K_FW_WMI_OP_VERSION_UNSET:
6947 case ATH10K_FW_WMI_OP_VERSION_MAX:
6948 WARN_ON(1);
6949 ret = -EINVAL;
6950 goto err_free;
f259509b 6951 }
5e3dd157 6952
7c199997
MK		 6953 ar->hw->netdev_features = NETIF_F_HW_CSUM;
6954
9702c686
JD		 6955 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) {
6956 /* Init ath dfs pattern detector */
6957 ar->ath_common.debug_mask = ATH_DBG_DFS;
6958 ar->dfs_detector = dfs_pattern_detector_init(&ar->ath_common,
6959 NL80211_DFS_UNSET);
6960
6961 if (!ar->dfs_detector)
7aa7a72a 6962 ath10k_warn(ar, "failed to initialise DFS pattern detector\n");
9702c686
JD		 6963 }
6964
5e3dd157
KV		 6965 ret = ath_regd_init(&ar->ath_common.regulatory, ar->hw->wiphy,
6966 ath10k_reg_notifier);
6967 if (ret) {
7aa7a72a 6968 ath10k_err(ar, "failed to initialise regulatory: %i\n", ret);
d6015b27 6969 goto err_free;
5e3dd157
KV		 6970 }
6971
3cb10943
JB		 6972 ar->hw->wiphy->cipher_suites = cipher_suites;
6973 ar->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
6974
5e3dd157
KV		 6975 ret = ieee80211_register_hw(ar->hw);
6976 if (ret) {
7aa7a72a 6977 ath10k_err(ar, "failed to register ieee80211: %d\n", ret);
d6015b27 6978 goto err_free;
5e3dd157
KV		 6979 }
6980
6981 if (!ath_is_world_regd(&ar->ath_common.regulatory)) {
6982 ret = regulatory_hint(ar->hw->wiphy,
6983 ar->ath_common.regulatory.alpha2);
6984 if (ret)
d6015b27 6985 goto err_unregister;
5e3dd157
KV		 6986 }
6987
6988 return 0;
d6015b27
MK		 6989
6990err_unregister:
5e3dd157 6991 ieee80211_unregister_hw(ar->hw);
d6015b27
MK		 6992err_free:
6993 kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels);
6994 kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels);
6995
5e3dd157
KV		 6996 return ret;
6997}
6998
6999void ath10k_mac_unregister(struct ath10k *ar)
7000{
7001 ieee80211_unregister_hw(ar->hw);
7002
9702c686
JD		 7003 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector)
7004 ar->dfs_detector->exit(ar->dfs_detector);
7005
5e3dd157
KV		 7006 kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels);
7007 kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels);
7008
7009 SET_IEEE80211_DEV(ar->hw, NULL);
7010}
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