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ath10k: don't set cck/ofdm scan flags
[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
5e3dd157
KV		 4644 if (req->ie_len) {
4645 arg.ie_len = req->ie_len;
4646 memcpy(arg.ie, req->ie, arg.ie_len);
4647 }
4648
4649 if (req->n_ssids) {
4650 arg.n_ssids = req->n_ssids;
4651 for (i = 0; i < arg.n_ssids; i++) {
4652 arg.ssids[i].len = req->ssids[i].ssid_len;
4653 arg.ssids[i].ssid = req->ssids[i].ssid;
4654 }
dcd4a561
MK		 4655 } else {
4656 arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE;
5e3dd157
KV		 4657 }
4658
4659 if (req->n_channels) {
4660 arg.n_channels = req->n_channels;
4661 for (i = 0; i < arg.n_channels; i++)
4662 arg.channels[i] = req->channels[i]->center_freq;
4663 }
4664
4665 ret = ath10k_start_scan(ar, &arg);
4666 if (ret) {
7aa7a72a 4667 ath10k_warn(ar, "failed to start hw scan: %d\n", ret);
5e3dd157 4668 spin_lock_bh(&ar->data_lock);
5c81c7fd 4669 ar->scan.state = ATH10K_SCAN_IDLE;
5e3dd157
KV		 4670 spin_unlock_bh(&ar->data_lock);
4671 }
4672
4673exit:
4674 mutex_unlock(&ar->conf_mutex);
4675 return ret;
4676}
4677
4678static void ath10k_cancel_hw_scan(struct ieee80211_hw *hw,
4679 struct ieee80211_vif *vif)
4680{
4681 struct ath10k *ar = hw->priv;
5e3dd157
KV		 4682
4683 mutex_lock(&ar->conf_mutex);
5c81c7fd 4684 ath10k_scan_abort(ar);
5e3dd157 4685 mutex_unlock(&ar->conf_mutex);
4eb2e164
MK		 4686
4687 cancel_delayed_work_sync(&ar->scan.timeout);
5e3dd157
KV		 4688}
4689
cfb27d29
MK		 4690static void ath10k_set_key_h_def_keyidx(struct ath10k *ar,
4691 struct ath10k_vif *arvif,
4692 enum set_key_cmd cmd,
4693 struct ieee80211_key_conf *key)
4694{
4695 u32 vdev_param = arvif->ar->wmi.vdev_param->def_keyid;
4696 int ret;
4697
4698 /* 10.1 firmware branch requires default key index to be set to group
4699 * key index after installing it. Otherwise FW/HW Txes corrupted
4700 * frames with multi-vif APs. This is not required for main firmware
4701 * branch (e.g. 636).
4702 *
8461baf7
MK		 4703 * This is also needed for 636 fw for IBSS-RSN to work more reliably.
4704 *
4705 * FIXME: It remains unknown if this is required for multi-vif STA
4706 * interfaces on 10.1.
4707 */
cfb27d29 4708
8461baf7
MK		 4709 if (arvif->vdev_type != WMI_VDEV_TYPE_AP &&
4710 arvif->vdev_type != WMI_VDEV_TYPE_IBSS)
cfb27d29
MK		 4711 return;
4712
4713 if (key->cipher == WLAN_CIPHER_SUITE_WEP40)
4714 return;
4715
4716 if (key->cipher == WLAN_CIPHER_SUITE_WEP104)
4717 return;
4718
4719 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
4720 return;
4721
4722 if (cmd != SET_KEY)
4723 return;
4724
4725 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4726 key->keyidx);
4727 if (ret)
7aa7a72a 4728 ath10k_warn(ar, "failed to set vdev %i group key as default key: %d\n",
69244e56 4729 arvif->vdev_id, ret);
cfb27d29
MK		 4730}
4731
5e3dd157
KV		 4732static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
4733 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
4734 struct ieee80211_key_conf *key)
4735{
4736 struct ath10k *ar = hw->priv;
4737 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4738 struct ath10k_peer *peer;
4739 const u8 *peer_addr;
4740 bool is_wep = key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
4741 key->cipher == WLAN_CIPHER_SUITE_WEP104;
4742 int ret = 0;
29a10006 4743 int ret2;
370e5673 4744 u32 flags = 0;
29a10006 4745 u32 flags2;
5e3dd157 4746
d7131c04
BM		 4747 /* this one needs to be done in software */
4748 if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC)
4749 return 1;
5e3dd157
KV		 4750
4751 if (key->keyidx > WMI_MAX_KEY_INDEX)
4752 return -ENOSPC;
4753
4754 mutex_lock(&ar->conf_mutex);
4755
4756 if (sta)
4757 peer_addr = sta->addr;
4758 else if (arvif->vdev_type == WMI_VDEV_TYPE_STA)
4759 peer_addr = vif->bss_conf.bssid;
4760 else
4761 peer_addr = vif->addr;
4762
4763 key->hw_key_idx = key->keyidx;
4764
7c8cc7eb
MK		 4765 if (is_wep) {
4766 if (cmd == SET_KEY)
4767 arvif->wep_keys[key->keyidx] = key;
4768 else
4769 arvif->wep_keys[key->keyidx] = NULL;
4770 }
4771
5e3dd157
KV		 4772 /* the peer should not disappear in mid-way (unless FW goes awry) since
4773 * we already hold conf_mutex. we just make sure its there now. */
4774 spin_lock_bh(&ar->data_lock);
4775 peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr);
4776 spin_unlock_bh(&ar->data_lock);
4777
4778 if (!peer) {
4779 if (cmd == SET_KEY) {
7aa7a72a 4780 ath10k_warn(ar, "failed to install key for non-existent peer %pM\n",
5e3dd157
KV		 4781 peer_addr);
4782 ret = -EOPNOTSUPP;
4783 goto exit;
4784 } else {
4785 /* if the peer doesn't exist there is no key to disable
4786 * anymore */
4787 goto exit;
4788 }
4789 }
4790
7cc4573e
MK		 4791 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
4792 flags |= WMI_KEY_PAIRWISE;
4793 else
4794 flags |= WMI_KEY_GROUP;
5e3dd157 4795
5e3dd157 4796 if (is_wep) {
5e3dd157
KV		 4797 if (cmd == DISABLE_KEY)
4798 ath10k_clear_vdev_key(arvif, key);
5e3dd157 4799
ad325cb5
MK		 4800 /* When WEP keys are uploaded it's possible that there are
4801 * stations associated already (e.g. when merging) without any
4802 * keys. Static WEP needs an explicit per-peer key upload.
4803 */
4804 if (vif->type == NL80211_IFTYPE_ADHOC &&
4805 cmd == SET_KEY)
4806 ath10k_mac_vif_update_wep_key(arvif, key);
4807
370e5673
MK		 4808 /* 802.1x never sets the def_wep_key_idx so each set_key()
4809 * call changes default tx key.
4810 *
4811 * Static WEP sets def_wep_key_idx via .set_default_unicast_key
4812 * after first set_key().
4813 */
4814 if (cmd == SET_KEY && arvif->def_wep_key_idx == -1)
4815 flags |= WMI_KEY_TX_USAGE;
370e5673 4816 }
627613f8 4817
370e5673 4818 ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags);
5e3dd157 4819 if (ret) {
7aa7a72a 4820 ath10k_warn(ar, "failed to install key for vdev %i peer %pM: %d\n",
69244e56 4821 arvif->vdev_id, peer_addr, ret);
5e3dd157
KV		 4822 goto exit;
4823 }
4824
29a10006
MK		 4825 /* mac80211 sets static WEP keys as groupwise while firmware requires
4826 * them to be installed twice as both pairwise and groupwise.
4827 */
4828 if (is_wep && !sta && vif->type == NL80211_IFTYPE_STATION) {
4829 flags2 = flags;
4830 flags2 &= ~WMI_KEY_GROUP;
4831 flags2 |= WMI_KEY_PAIRWISE;
4832
4833 ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags2);
4834 if (ret) {
4835 ath10k_warn(ar, "failed to install (ucast) key for vdev %i peer %pM: %d\n",
4836 arvif->vdev_id, peer_addr, ret);
4837 ret2 = ath10k_install_key(arvif, key, DISABLE_KEY,
4838 peer_addr, flags);
4839 if (ret2)
4840 ath10k_warn(ar, "failed to disable (mcast) key for vdev %i peer %pM: %d\n",
4841 arvif->vdev_id, peer_addr, ret2);
4842 goto exit;
4843 }
4844 }
4845
cfb27d29
MK		 4846 ath10k_set_key_h_def_keyidx(ar, arvif, cmd, key);
4847
5e3dd157
KV		 4848 spin_lock_bh(&ar->data_lock);
4849 peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr);
4850 if (peer && cmd == SET_KEY)
4851 peer->keys[key->keyidx] = key;
4852 else if (peer && cmd == DISABLE_KEY)
4853 peer->keys[key->keyidx] = NULL;
4854 else if (peer == NULL)
4855 /* impossible unless FW goes crazy */
7aa7a72a 4856 ath10k_warn(ar, "Peer %pM disappeared!\n", peer_addr);
5e3dd157
KV		 4857 spin_unlock_bh(&ar->data_lock);
4858
4859exit:
4860 mutex_unlock(&ar->conf_mutex);
4861 return ret;
4862}
4863
627613f8
SJ		 4864static void ath10k_set_default_unicast_key(struct ieee80211_hw *hw,
4865 struct ieee80211_vif *vif,
4866 int keyidx)
4867{
4868 struct ath10k *ar = hw->priv;
4869 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4870 int ret;
4871
4872 mutex_lock(&arvif->ar->conf_mutex);
4873
4874 if (arvif->ar->state != ATH10K_STATE_ON)
4875 goto unlock;
4876
4877 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d set keyidx %d\n",
4878 arvif->vdev_id, keyidx);
4879
4880 ret = ath10k_wmi_vdev_set_param(arvif->ar,
4881 arvif->vdev_id,
4882 arvif->ar->wmi.vdev_param->def_keyid,
4883 keyidx);
4884
4885 if (ret) {
4886 ath10k_warn(ar, "failed to update wep key index for vdev %d: %d\n",
4887 arvif->vdev_id,
4888 ret);
4889 goto unlock;
4890 }
4891
4892 arvif->def_wep_key_idx = keyidx;
370e5673 4893
627613f8
SJ		 4894unlock:
4895 mutex_unlock(&arvif->ar->conf_mutex);
4896}
4897
9797febc
MK		 4898static void ath10k_sta_rc_update_wk(struct work_struct *wk)
4899{
4900 struct ath10k *ar;
4901 struct ath10k_vif *arvif;
4902 struct ath10k_sta *arsta;
4903 struct ieee80211_sta *sta;
45c9abc0
MK		 4904 struct cfg80211_chan_def def;
4905 enum ieee80211_band band;
4906 const u8 *ht_mcs_mask;
4907 const u16 *vht_mcs_mask;
9797febc
MK		 4908 u32 changed, bw, nss, smps;
4909 int err;
4910
4911 arsta = container_of(wk, struct ath10k_sta, update_wk);
4912 sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv);
4913 arvif = arsta->arvif;
4914 ar = arvif->ar;
4915
45c9abc0
MK		 4916 if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def)))
4917 return;
4918
4919 band = def.chan->band;
4920 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
4921 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
4922
9797febc
MK		 4923 spin_lock_bh(&ar->data_lock);
4924
4925 changed = arsta->changed;
4926 arsta->changed = 0;
4927
4928 bw = arsta->bw;
4929 nss = arsta->nss;
4930 smps = arsta->smps;
4931
4932 spin_unlock_bh(&ar->data_lock);
4933
4934 mutex_lock(&ar->conf_mutex);
4935
45c9abc0
MK		 4936 nss = max_t(u32, 1, nss);
4937 nss = min(nss, max(ath10k_mac_max_ht_nss(ht_mcs_mask),
4938 ath10k_mac_max_vht_nss(vht_mcs_mask)));
4939
9797febc 4940 if (changed & IEEE80211_RC_BW_CHANGED) {
7aa7a72a 4941 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM peer bw %d\n",
9797febc
MK		 4942 sta->addr, bw);
4943
4944 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
4945 WMI_PEER_CHAN_WIDTH, bw);
4946 if (err)
7aa7a72a 4947 ath10k_warn(ar, "failed to update STA %pM peer bw %d: %d\n",
9797febc
MK		 4948 sta->addr, bw, err);
4949 }
4950
4951 if (changed & IEEE80211_RC_NSS_CHANGED) {
7aa7a72a 4952 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM nss %d\n",
9797febc
MK		 4953 sta->addr, nss);
4954
4955 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
4956 WMI_PEER_NSS, nss);
4957 if (err)
7aa7a72a 4958 ath10k_warn(ar, "failed to update STA %pM nss %d: %d\n",
9797febc
MK		 4959 sta->addr, nss, err);
4960 }
4961
4962 if (changed & IEEE80211_RC_SMPS_CHANGED) {
7aa7a72a 4963 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM smps %d\n",
9797febc
MK		 4964 sta->addr, smps);
4965
4966 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
4967 WMI_PEER_SMPS_STATE, smps);
4968 if (err)
7aa7a72a 4969 ath10k_warn(ar, "failed to update STA %pM smps %d: %d\n",
9797febc
MK		 4970 sta->addr, smps, err);
4971 }
4972
55884c04
JD		 4973 if (changed & IEEE80211_RC_SUPP_RATES_CHANGED ||
4974 changed & IEEE80211_RC_NSS_CHANGED) {
4975 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM supp rates/nss\n",
44d6fa90
CYY		 4976 sta->addr);
4977
590922a8 4978 err = ath10k_station_assoc(ar, arvif->vif, sta, true);
44d6fa90 4979 if (err)
7aa7a72a 4980 ath10k_warn(ar, "failed to reassociate station: %pM\n",
44d6fa90
CYY		 4981 sta->addr);
4982 }
4983
9797febc
MK		 4984 mutex_unlock(&ar->conf_mutex);
4985}
4986
7c354242
MP		 4987static int ath10k_mac_inc_num_stations(struct ath10k_vif *arvif,
4988 struct ieee80211_sta *sta)
cfd1061e
MK		 4989{
4990 struct ath10k *ar = arvif->ar;
4991
4992 lockdep_assert_held(&ar->conf_mutex);
4993
7c354242 4994 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
cfd1061e
MK		 4995 return 0;
4996
4997 if (ar->num_stations >= ar->max_num_stations)
4998 return -ENOBUFS;
4999
5000 ar->num_stations++;
5001
5002 return 0;
5003}
5004
7c354242
MP		 5005static void ath10k_mac_dec_num_stations(struct ath10k_vif *arvif,
5006 struct ieee80211_sta *sta)
cfd1061e
MK		 5007{
5008 struct ath10k *ar = arvif->ar;
5009
5010 lockdep_assert_held(&ar->conf_mutex);
5011
7c354242 5012 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
cfd1061e
MK		 5013 return;
5014
5015 ar->num_stations--;
5016}
5017
75d85fd9
MP		 5018struct ath10k_mac_tdls_iter_data {
5019 u32 num_tdls_stations;
5020 struct ieee80211_vif *curr_vif;
5021};
5022
5023static void ath10k_mac_tdls_vif_stations_count_iter(void *data,
5024 struct ieee80211_sta *sta)
5e3dd157 5025{
75d85fd9 5026 struct ath10k_mac_tdls_iter_data *iter_data = data;
9797febc 5027 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
75d85fd9 5028 struct ieee80211_vif *sta_vif = arsta->arvif->vif;
5e3dd157 5029
75d85fd9
MP		 5030 if (sta->tdls && sta_vif == iter_data->curr_vif)
5031 iter_data->num_tdls_stations++;
5032}
5033
5034static int ath10k_mac_tdls_vif_stations_count(struct ieee80211_hw *hw,
5035 struct ieee80211_vif *vif)
5036{
5037 struct ath10k_mac_tdls_iter_data data = {};
5038
5039 data.curr_vif = vif;
5040
5041 ieee80211_iterate_stations_atomic(hw,
5042 ath10k_mac_tdls_vif_stations_count_iter,
5043 &data);
5044 return data.num_tdls_stations;
5045}
5046
5047static void ath10k_mac_tdls_vifs_count_iter(void *data, u8 *mac,
5048 struct ieee80211_vif *vif)
5049{
5050 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5051 int *num_tdls_vifs = data;
5052
5053 if (vif->type != NL80211_IFTYPE_STATION)
5054 return;
5055
5056 if (ath10k_mac_tdls_vif_stations_count(arvif->ar->hw, vif) > 0)
5057 (*num_tdls_vifs)++;
5058}
5059
5060static int ath10k_mac_tdls_vifs_count(struct ieee80211_hw *hw)
5061{
5062 int num_tdls_vifs = 0;
5063
5064 ieee80211_iterate_active_interfaces_atomic(hw,
5065 IEEE80211_IFACE_ITER_NORMAL,
5066 ath10k_mac_tdls_vifs_count_iter,
5067 &num_tdls_vifs);
5068 return num_tdls_vifs;
5069}
5070
5e3dd157
KV		 5071static int ath10k_sta_state(struct ieee80211_hw *hw,
5072 struct ieee80211_vif *vif,
5073 struct ieee80211_sta *sta,
5074 enum ieee80211_sta_state old_state,
5075 enum ieee80211_sta_state new_state)
5076{
5077 struct ath10k *ar = hw->priv;
5078 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
9797febc 5079 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
5e3dd157
KV		 5080 int ret = 0;
5081
76f90024
MK		 5082 if (old_state == IEEE80211_STA_NOTEXIST &&
5083 new_state == IEEE80211_STA_NONE) {
5084 memset(arsta, 0, sizeof(*arsta));
5085 arsta->arvif = arvif;
5086 INIT_WORK(&arsta->update_wk, ath10k_sta_rc_update_wk);
5087 }
5088
9797febc
MK		 5089 /* cancel must be done outside the mutex to avoid deadlock */
5090 if ((old_state == IEEE80211_STA_NONE &&
5091 new_state == IEEE80211_STA_NOTEXIST))
5092 cancel_work_sync(&arsta->update_wk);
5093
5e3dd157
KV		 5094 mutex_lock(&ar->conf_mutex);
5095
5096 if (old_state == IEEE80211_STA_NOTEXIST &&
077efc8c 5097 new_state == IEEE80211_STA_NONE) {
5e3dd157
KV		 5098 /*
5099 * New station addition.
5100 */
75d85fd9
MP		 5101 enum wmi_peer_type peer_type = WMI_PEER_TYPE_DEFAULT;
5102 u32 num_tdls_stations;
5103 u32 num_tdls_vifs;
5104
cfd1061e
MK		 5105 ath10k_dbg(ar, ATH10K_DBG_MAC,
5106 "mac vdev %d peer create %pM (new sta) sta %d / %d peer %d / %d\n",
5107 arvif->vdev_id, sta->addr,
5108 ar->num_stations + 1, ar->max_num_stations,
5109 ar->num_peers + 1, ar->max_num_peers);
0e759f36 5110
7c354242 5111 ret = ath10k_mac_inc_num_stations(arvif, sta);
cfd1061e
MK		 5112 if (ret) {
5113 ath10k_warn(ar, "refusing to associate station: too many connected already (%d)\n",
5114 ar->max_num_stations);
0e759f36
BM		 5115 goto exit;
5116 }
5117
75d85fd9
MP		 5118 if (sta->tdls)
5119 peer_type = WMI_PEER_TYPE_TDLS;
5120
7390ed34 5121 ret = ath10k_peer_create(ar, arvif->vdev_id, sta->addr,
75d85fd9 5122 peer_type);
a52c0282 5123 if (ret) {
7aa7a72a 5124 ath10k_warn(ar, "failed to add peer %pM for vdev %d when adding a new sta: %i\n",
479398b0 5125 sta->addr, arvif->vdev_id, ret);
7c354242 5126 ath10k_mac_dec_num_stations(arvif, sta);
a52c0282
MK		 5127 goto exit;
5128 }
077efc8c 5129
75d85fd9
MP		 5130 if (!sta->tdls)
5131 goto exit;
5132
5133 num_tdls_stations = ath10k_mac_tdls_vif_stations_count(hw, vif);
5134 num_tdls_vifs = ath10k_mac_tdls_vifs_count(hw);
5135
5136 if (num_tdls_vifs >= ar->max_num_tdls_vdevs &&
5137 num_tdls_stations == 0) {
5138 ath10k_warn(ar, "vdev %i exceeded maximum number of tdls vdevs %i\n",
5139 arvif->vdev_id, ar->max_num_tdls_vdevs);
5140 ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5141 ath10k_mac_dec_num_stations(arvif, sta);
5142 ret = -ENOBUFS;
a52c0282
MK		 5143 goto exit;
5144 }
077efc8c 5145
75d85fd9
MP		 5146 if (num_tdls_stations == 0) {
5147 /* This is the first tdls peer in current vif */
5148 enum wmi_tdls_state state = WMI_TDLS_ENABLE_ACTIVE;
077efc8c 5149
75d85fd9
MP		 5150 ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5151 state);
077efc8c 5152 if (ret) {
75d85fd9 5153 ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n",
077efc8c 5154 arvif->vdev_id, ret);
75d85fd9
MP		 5155 ath10k_peer_delete(ar, arvif->vdev_id,
5156 sta->addr);
5157 ath10k_mac_dec_num_stations(arvif, sta);
077efc8c
MK		 5158 goto exit;
5159 }
75d85fd9
MP		 5160 }
5161
5162 ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta,
5163 WMI_TDLS_PEER_STATE_PEERING);
5164 if (ret) {
5165 ath10k_warn(ar,
5166 "failed to update tdls peer %pM for vdev %d when adding a new sta: %i\n",
5167 sta->addr, arvif->vdev_id, ret);
5168 ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5169 ath10k_mac_dec_num_stations(arvif, sta);
077efc8c 5170
75d85fd9
MP		 5171 if (num_tdls_stations != 0)
5172 goto exit;
5173 ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5174 WMI_TDLS_DISABLE);
077efc8c 5175 }
5e3dd157
KV		 5176 } else if ((old_state == IEEE80211_STA_NONE &&
5177 new_state == IEEE80211_STA_NOTEXIST)) {
5178 /*
5179 * Existing station deletion.
5180 */
7aa7a72a 5181 ath10k_dbg(ar, ATH10K_DBG_MAC,
60c3daa8
KV		 5182 "mac vdev %d peer delete %pM (sta gone)\n",
5183 arvif->vdev_id, sta->addr);
077efc8c 5184
5e3dd157
KV		 5185 ret = ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5186 if (ret)
7aa7a72a 5187 ath10k_warn(ar, "failed to delete peer %pM for vdev %d: %i\n",
69244e56 5188 sta->addr, arvif->vdev_id, ret);
5e3dd157 5189
7c354242 5190 ath10k_mac_dec_num_stations(arvif, sta);
75d85fd9
MP		 5191
5192 if (!sta->tdls)
5193 goto exit;
5194
5195 if (ath10k_mac_tdls_vif_stations_count(hw, vif))
5196 goto exit;
5197
5198 /* This was the last tdls peer in current vif */
5199 ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5200 WMI_TDLS_DISABLE);
5201 if (ret) {
5202 ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n",
5203 arvif->vdev_id, ret);
5204 }
5e3dd157
KV		 5205 } else if (old_state == IEEE80211_STA_AUTH &&
5206 new_state == IEEE80211_STA_ASSOC &&
5207 (vif->type == NL80211_IFTYPE_AP ||
5208 vif->type == NL80211_IFTYPE_ADHOC)) {
5209 /*
5210 * New association.
5211 */
7aa7a72a 5212 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM associated\n",
60c3daa8
KV		 5213 sta->addr);
5214
590922a8 5215 ret = ath10k_station_assoc(ar, vif, sta, false);
5e3dd157 5216 if (ret)
7aa7a72a 5217 ath10k_warn(ar, "failed to associate station %pM for vdev %i: %i\n",
69244e56 5218 sta->addr, arvif->vdev_id, ret);
5e3dd157 5219 } else if (old_state == IEEE80211_STA_ASSOC &&
75d85fd9
MP		 5220 new_state == IEEE80211_STA_AUTHORIZED &&
5221 sta->tdls) {
5222 /*
5223 * Tdls station authorized.
5224 */
5225 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac tdls sta %pM authorized\n",
5226 sta->addr);
5227
5228 ret = ath10k_station_assoc(ar, vif, sta, false);
5229 if (ret) {
5230 ath10k_warn(ar, "failed to associate tdls station %pM for vdev %i: %i\n",
5231 sta->addr, arvif->vdev_id, ret);
5232 goto exit;
5233 }
5234
5235 ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta,
5236 WMI_TDLS_PEER_STATE_CONNECTED);
5237 if (ret)
5238 ath10k_warn(ar, "failed to update tdls peer %pM for vdev %i: %i\n",
5239 sta->addr, arvif->vdev_id, ret);
5240 } else if (old_state == IEEE80211_STA_ASSOC &&
5241 new_state == IEEE80211_STA_AUTH &&
5242 (vif->type == NL80211_IFTYPE_AP ||
5243 vif->type == NL80211_IFTYPE_ADHOC)) {
5e3dd157
KV		 5244 /*
5245 * Disassociation.
5246 */
7aa7a72a 5247 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM disassociated\n",
60c3daa8
KV		 5248 sta->addr);
5249
590922a8 5250 ret = ath10k_station_disassoc(ar, vif, sta);
5e3dd157 5251 if (ret)
7aa7a72a 5252 ath10k_warn(ar, "failed to disassociate station: %pM vdev %i: %i\n",
69244e56 5253 sta->addr, arvif->vdev_id, ret);
5e3dd157 5254 }
0e759f36 5255exit:
5e3dd157
KV		 5256 mutex_unlock(&ar->conf_mutex);
5257 return ret;
5258}
5259
5260static int ath10k_conf_tx_uapsd(struct ath10k *ar, struct ieee80211_vif *vif,
5b07e07f 5261 u16 ac, bool enable)
5e3dd157
KV		 5262{
5263 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
b0e56154
MK		 5264 struct wmi_sta_uapsd_auto_trig_arg arg = {};
5265 u32 prio = 0, acc = 0;
5e3dd157
KV		 5266 u32 value = 0;
5267 int ret = 0;
5268
548db54c
MK		 5269 lockdep_assert_held(&ar->conf_mutex);
5270
5e3dd157
KV		 5271 if (arvif->vdev_type != WMI_VDEV_TYPE_STA)
5272 return 0;
5273
5274 switch (ac) {
5275 case IEEE80211_AC_VO:
5276 value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN |
5277 WMI_STA_PS_UAPSD_AC3_TRIGGER_EN;
b0e56154
MK		 5278 prio = 7;
5279 acc = 3;
5e3dd157
KV		 5280 break;
5281 case IEEE80211_AC_VI:
5282 value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN |
5283 WMI_STA_PS_UAPSD_AC2_TRIGGER_EN;
b0e56154
MK		 5284 prio = 5;
5285 acc = 2;
5e3dd157
KV		 5286 break;
5287 case IEEE80211_AC_BE:
5288 value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN |
5289 WMI_STA_PS_UAPSD_AC1_TRIGGER_EN;
b0e56154
MK		 5290 prio = 2;
5291 acc = 1;
5e3dd157
KV		 5292 break;
5293 case IEEE80211_AC_BK:
5294 value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN |
5295 WMI_STA_PS_UAPSD_AC0_TRIGGER_EN;
b0e56154
MK		 5296 prio = 0;
5297 acc = 0;
5e3dd157
KV		 5298 break;
5299 }
5300
5301 if (enable)
5302 arvif->u.sta.uapsd |= value;
5303 else
5304 arvif->u.sta.uapsd &= ~value;
5305
5306 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
5307 WMI_STA_PS_PARAM_UAPSD,
5308 arvif->u.sta.uapsd);
5309 if (ret) {
7aa7a72a 5310 ath10k_warn(ar, "failed to set uapsd params: %d\n", ret);
5e3dd157
KV		 5311 goto exit;
5312 }
5313
5314 if (arvif->u.sta.uapsd)
5315 value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD;
5316 else
5317 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;
5318
5319 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
5320 WMI_STA_PS_PARAM_RX_WAKE_POLICY,
5321 value);
5322 if (ret)
7aa7a72a 5323 ath10k_warn(ar, "failed to set rx wake param: %d\n", ret);
5e3dd157 5324
9f9b5746
MK		 5325 ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif);
5326 if (ret) {
5327 ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n",
5328 arvif->vdev_id, ret);
5329 return ret;
5330 }
5331
5332 ret = ath10k_mac_vif_recalc_ps_poll_count(arvif);
5333 if (ret) {
5334 ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n",
5335 arvif->vdev_id, ret);
5336 return ret;
5337 }
5338
b0e56154
MK		 5339 if (test_bit(WMI_SERVICE_STA_UAPSD_BASIC_AUTO_TRIG, ar->wmi.svc_map) ||
5340 test_bit(WMI_SERVICE_STA_UAPSD_VAR_AUTO_TRIG, ar->wmi.svc_map)) {
5341 /* Only userspace can make an educated decision when to send
5342 * trigger frame. The following effectively disables u-UAPSD
5343 * autotrigger in firmware (which is enabled by default
5344 * provided the autotrigger service is available).
5345 */
5346
5347 arg.wmm_ac = acc;
5348 arg.user_priority = prio;
5349 arg.service_interval = 0;
5350 arg.suspend_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC;
5351 arg.delay_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC;
5352
5353 ret = ath10k_wmi_vdev_sta_uapsd(ar, arvif->vdev_id,
5354 arvif->bssid, &arg, 1);
5355 if (ret) {
5356 ath10k_warn(ar, "failed to set uapsd auto trigger %d\n",
5357 ret);
5358 return ret;
5359 }
5360 }
5361
5e3dd157
KV		 5362exit:
5363 return ret;
5364}
5365
5366static int ath10k_conf_tx(struct ieee80211_hw *hw,
5367 struct ieee80211_vif *vif, u16 ac,
5368 const struct ieee80211_tx_queue_params *params)
5369{
5370 struct ath10k *ar = hw->priv;
5e752e42 5371 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5e3dd157
KV		 5372 struct wmi_wmm_params_arg *p = NULL;
5373 int ret;
5374
5375 mutex_lock(&ar->conf_mutex);
5376
5377 switch (ac) {
5378 case IEEE80211_AC_VO:
5e752e42 5379 p = &arvif->wmm_params.ac_vo;
5e3dd157
KV		 5380 break;
5381 case IEEE80211_AC_VI:
5e752e42 5382 p = &arvif->wmm_params.ac_vi;
5e3dd157
KV		 5383 break;
5384 case IEEE80211_AC_BE:
5e752e42 5385 p = &arvif->wmm_params.ac_be;
5e3dd157
KV		 5386 break;
5387 case IEEE80211_AC_BK:
5e752e42 5388 p = &arvif->wmm_params.ac_bk;
5e3dd157
KV		 5389 break;
5390 }
5391
5392 if (WARN_ON(!p)) {
5393 ret = -EINVAL;
5394 goto exit;
5395 }
5396
5397 p->cwmin = params->cw_min;
5398 p->cwmax = params->cw_max;
5399 p->aifs = params->aifs;
5400
5401 /*
5402 * The channel time duration programmed in the HW is in absolute
5403 * microseconds, while mac80211 gives the txop in units of
5404 * 32 microseconds.
5405 */
5406 p->txop = params->txop * 32;
5407
7fc979a7
MK		 5408 if (ar->wmi.ops->gen_vdev_wmm_conf) {
5409 ret = ath10k_wmi_vdev_wmm_conf(ar, arvif->vdev_id,
5410 &arvif->wmm_params);
5411 if (ret) {
5412 ath10k_warn(ar, "failed to set vdev wmm params on vdev %i: %d\n",
5413 arvif->vdev_id, ret);
5414 goto exit;
5415 }
5416 } else {
5417 /* This won't work well with multi-interface cases but it's
5418 * better than nothing.
5419 */
5420 ret = ath10k_wmi_pdev_set_wmm_params(ar, &arvif->wmm_params);
5421 if (ret) {
5422 ath10k_warn(ar, "failed to set wmm params: %d\n", ret);
5423 goto exit;
5424 }
5e3dd157
KV		 5425 }
5426
5427 ret = ath10k_conf_tx_uapsd(ar, vif, ac, params->uapsd);
5428 if (ret)
7aa7a72a 5429 ath10k_warn(ar, "failed to set sta uapsd: %d\n", ret);
5e3dd157
KV		 5430
5431exit:
5432 mutex_unlock(&ar->conf_mutex);
5433 return ret;
5434}
5435
5436#define ATH10K_ROC_TIMEOUT_HZ (2*HZ)
5437
5438static int ath10k_remain_on_channel(struct ieee80211_hw *hw,
5439 struct ieee80211_vif *vif,
5440 struct ieee80211_channel *chan,
5441 int duration,
5442 enum ieee80211_roc_type type)
5443{
5444 struct ath10k *ar = hw->priv;
5445 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5446 struct wmi_start_scan_arg arg;
5c81c7fd 5447 int ret = 0;
fcf98446 5448 u32 scan_time_msec;
5e3dd157
KV		 5449
5450 mutex_lock(&ar->conf_mutex);
5451
5452 spin_lock_bh(&ar->data_lock);
5c81c7fd
MK		 5453 switch (ar->scan.state) {
5454 case ATH10K_SCAN_IDLE:
5455 reinit_completion(&ar->scan.started);
5456 reinit_completion(&ar->scan.completed);
5457 reinit_completion(&ar->scan.on_channel);
5458 ar->scan.state = ATH10K_SCAN_STARTING;
5459 ar->scan.is_roc = true;
5460 ar->scan.vdev_id = arvif->vdev_id;
5461 ar->scan.roc_freq = chan->center_freq;
5462 ret = 0;
5463 break;
5464 case ATH10K_SCAN_STARTING:
5465 case ATH10K_SCAN_RUNNING:
5466 case ATH10K_SCAN_ABORTING:
5e3dd157 5467 ret = -EBUSY;
5c81c7fd 5468 break;
5e3dd157 5469 }
5e3dd157
KV		 5470 spin_unlock_bh(&ar->data_lock);
5471
5c81c7fd
MK		 5472 if (ret)
5473 goto exit;
5474
fcf98446 5475 scan_time_msec = ar->hw->wiphy->max_remain_on_channel_duration * 2;
dcca0bdb 5476
5e3dd157
KV		 5477 memset(&arg, 0, sizeof(arg));
5478 ath10k_wmi_start_scan_init(ar, &arg);
5479 arg.vdev_id = arvif->vdev_id;
5480 arg.scan_id = ATH10K_SCAN_ID;
5481 arg.n_channels = 1;
5482 arg.channels[0] = chan->center_freq;
fcf98446
MK		 5483 arg.dwell_time_active = scan_time_msec;
5484 arg.dwell_time_passive = scan_time_msec;
5485 arg.max_scan_time = scan_time_msec;
5e3dd157
KV		 5486 arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE;
5487 arg.scan_ctrl_flags |= WMI_SCAN_FILTER_PROBE_REQ;
dbd3f9f3 5488 arg.burst_duration_ms = duration;
5e3dd157
KV		 5489
5490 ret = ath10k_start_scan(ar, &arg);
5491 if (ret) {
7aa7a72a 5492 ath10k_warn(ar, "failed to start roc scan: %d\n", ret);
5e3dd157 5493 spin_lock_bh(&ar->data_lock);
5c81c7fd 5494 ar->scan.state = ATH10K_SCAN_IDLE;
5e3dd157
KV		 5495 spin_unlock_bh(&ar->data_lock);
5496 goto exit;
5497 }
5498
5499 ret = wait_for_completion_timeout(&ar->scan.on_channel, 3*HZ);
5500 if (ret == 0) {
7aa7a72a 5501 ath10k_warn(ar, "failed to switch to channel for roc scan\n");
5c81c7fd
MK		 5502
5503 ret = ath10k_scan_stop(ar);
5504 if (ret)
7aa7a72a 5505 ath10k_warn(ar, "failed to stop scan: %d\n", ret);
5c81c7fd 5506
5e3dd157
KV		 5507 ret = -ETIMEDOUT;
5508 goto exit;
5509 }
5510
fcf98446
MK		 5511 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout,
5512 msecs_to_jiffies(duration));
5513
5e3dd157
KV		 5514 ret = 0;
5515exit:
5516 mutex_unlock(&ar->conf_mutex);
5517 return ret;
5518}
5519
5520static int ath10k_cancel_remain_on_channel(struct ieee80211_hw *hw)
5521{
5522 struct ath10k *ar = hw->priv;
5523
5524 mutex_lock(&ar->conf_mutex);
5c81c7fd 5525 ath10k_scan_abort(ar);
5e3dd157
KV		 5526 mutex_unlock(&ar->conf_mutex);
5527
4eb2e164
MK		 5528 cancel_delayed_work_sync(&ar->scan.timeout);
5529
5e3dd157
KV		 5530 return 0;
5531}
5532
5533/*
5534 * Both RTS and Fragmentation threshold are interface-specific
5535 * in ath10k, but device-specific in mac80211.
5536 */
5e3dd157 5537
ad088bfa
MK		 5538static int ath10k_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
5539{
5540 struct ath10k *ar = hw->priv;
5541 struct ath10k_vif *arvif;
5542 int ret = 0;
548db54c 5543
5e3dd157 5544 mutex_lock(&ar->conf_mutex);
ad088bfa 5545 list_for_each_entry(arvif, &ar->arvifs, list) {
7aa7a72a 5546 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d rts threshold %d\n",
ad088bfa
MK		 5547 arvif->vdev_id, value);
5548
5549 ret = ath10k_mac_set_rts(arvif, value);
5550 if (ret) {
7aa7a72a 5551 ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n",
ad088bfa
MK		 5552 arvif->vdev_id, ret);
5553 break;
5554 }
5555 }
5e3dd157
KV		 5556 mutex_unlock(&ar->conf_mutex);
5557
ad088bfa 5558 return ret;
5e3dd157
KV		 5559}
5560
77be2c54
EG		 5561static void ath10k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
5562 u32 queues, bool drop)
5e3dd157
KV		 5563{
5564 struct ath10k *ar = hw->priv;
affd3217 5565 bool skip;
d4298a3a 5566 long time_left;
5e3dd157
KV		 5567
5568 /* mac80211 doesn't care if we really xmit queued frames or not
5569 * we'll collect those frames either way if we stop/delete vdevs */
5570 if (drop)
5571 return;
5572
548db54c
MK		 5573 mutex_lock(&ar->conf_mutex);
5574
affd3217
MK		 5575 if (ar->state == ATH10K_STATE_WEDGED)
5576 goto skip;
5577
d4298a3a 5578 time_left = wait_event_timeout(ar->htt.empty_tx_wq, ({
5e3dd157 5579 bool empty;
affd3217 5580
edb8236d 5581 spin_lock_bh(&ar->htt.tx_lock);
0945baf7 5582 empty = (ar->htt.num_pending_tx == 0);
edb8236d 5583 spin_unlock_bh(&ar->htt.tx_lock);
affd3217 5584
7962b0d8
MK		 5585 skip = (ar->state == ATH10K_STATE_WEDGED) ||
5586 test_bit(ATH10K_FLAG_CRASH_FLUSH,
5587 &ar->dev_flags);
affd3217
MK		 5588
5589 (empty || skip);
5e3dd157 5590 }), ATH10K_FLUSH_TIMEOUT_HZ);
affd3217 5591
d4298a3a
NMG		 5592 if (time_left == 0 || skip)
5593 ath10k_warn(ar, "failed to flush transmit queue (skip %i ar-state %i): %ld\n",
5594 skip, ar->state, time_left);
548db54c 5595
affd3217 5596skip:
548db54c 5597 mutex_unlock(&ar->conf_mutex);
5e3dd157
KV		 5598}
5599
5600/* TODO: Implement this function properly
5601 * For now it is needed to reply to Probe Requests in IBSS mode.
5602 * Propably we need this information from FW.
5603 */
5604static int ath10k_tx_last_beacon(struct ieee80211_hw *hw)
5605{
5606 return 1;
5607}
5608
cf2c92d8
EP		 5609static void ath10k_reconfig_complete(struct ieee80211_hw *hw,
5610 enum ieee80211_reconfig_type reconfig_type)
affd3217
MK		 5611{
5612 struct ath10k *ar = hw->priv;
5613
cf2c92d8
EP		 5614 if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART)
5615 return;
5616
affd3217
MK		 5617 mutex_lock(&ar->conf_mutex);
5618
5619 /* If device failed to restart it will be in a different state, e.g.
5620 * ATH10K_STATE_WEDGED */
5621 if (ar->state == ATH10K_STATE_RESTARTED) {
7aa7a72a 5622 ath10k_info(ar, "device successfully recovered\n");
affd3217 5623 ar->state = ATH10K_STATE_ON;
7962b0d8 5624 ieee80211_wake_queues(ar->hw);
affd3217
MK		 5625 }
5626
5627 mutex_unlock(&ar->conf_mutex);
5628}
5629
2e1dea40
MK		 5630static int ath10k_get_survey(struct ieee80211_hw *hw, int idx,
5631 struct survey_info *survey)
5632{
5633 struct ath10k *ar = hw->priv;
5634 struct ieee80211_supported_band *sband;
5635 struct survey_info *ar_survey = &ar->survey[idx];
5636 int ret = 0;
5637
5638 mutex_lock(&ar->conf_mutex);
5639
5640 sband = hw->wiphy->bands[IEEE80211_BAND_2GHZ];
5641 if (sband && idx >= sband->n_channels) {
5642 idx -= sband->n_channels;
5643 sband = NULL;
5644 }
5645
5646 if (!sband)
5647 sband = hw->wiphy->bands[IEEE80211_BAND_5GHZ];
5648
5649 if (!sband || idx >= sband->n_channels) {
5650 ret = -ENOENT;
5651 goto exit;
5652 }
5653
5654 spin_lock_bh(&ar->data_lock);
5655 memcpy(survey, ar_survey, sizeof(*survey));
5656 spin_unlock_bh(&ar->data_lock);
5657
5658 survey->channel = &sband->channels[idx];
5659
fa1d4df8
FF		 5660 if (ar->rx_channel == survey->channel)
5661 survey->filled |= SURVEY_INFO_IN_USE;
5662
2e1dea40
MK		 5663exit:
5664 mutex_unlock(&ar->conf_mutex);
5665 return ret;
5666}
5667
51ab1a0a 5668static bool
3ae54225
MK		 5669ath10k_mac_bitrate_mask_has_single_rate(struct ath10k *ar,
5670 enum ieee80211_band band,
5671 const struct cfg80211_bitrate_mask *mask)
51ab1a0a 5672{
3ae54225
MK		 5673 int num_rates = 0;
5674 int i;
51ab1a0a 5675
3ae54225 5676 num_rates += hweight32(mask->control[band].legacy);
51ab1a0a 5677
3ae54225
MK		 5678 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++)
5679 num_rates += hweight8(mask->control[band].ht_mcs[i]);
51ab1a0a 5680
3ae54225
MK		 5681 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++)
5682 num_rates += hweight16(mask->control[band].vht_mcs[i]);
51ab1a0a 5683
3ae54225 5684 return num_rates == 1;
51ab1a0a
JD		 5685}
5686
5687static bool
3ae54225
MK		 5688ath10k_mac_bitrate_mask_get_single_nss(struct ath10k *ar,
5689 enum ieee80211_band band,
5690 const struct cfg80211_bitrate_mask *mask,
5691 int *nss)
5692{
5693 struct ieee80211_supported_band *sband = &ar->mac.sbands[band];
5694 u16 vht_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
5695 u8 ht_nss_mask = 0;
5696 u8 vht_nss_mask = 0;
5697 int i;
51ab1a0a 5698
3ae54225 5699 if (mask->control[band].legacy)
51ab1a0a
JD		 5700 return false;
5701
3ae54225
MK		 5702 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {
5703 if (mask->control[band].ht_mcs[i] == 0)
51ab1a0a 5704 continue;
3ae54225
MK		 5705 else if (mask->control[band].ht_mcs[i] ==
5706 sband->ht_cap.mcs.rx_mask[i])
5707 ht_nss_mask |= BIT(i);
5708 else
5709 return false;
51ab1a0a
JD		 5710 }
5711
3ae54225
MK		 5712 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
5713 if (mask->control[band].vht_mcs[i] == 0)
51ab1a0a 5714 continue;
3ae54225
MK		 5715 else if (mask->control[band].vht_mcs[i] ==
5716 ath10k_mac_get_max_vht_mcs_map(vht_mcs_map, i))
5717 vht_nss_mask |= BIT(i);
5718 else
5719 return false;
51ab1a0a
JD		 5720 }
5721
3ae54225 5722 if (ht_nss_mask != vht_nss_mask)
51ab1a0a
JD		 5723 return false;
5724
3ae54225 5725 if (ht_nss_mask == 0)
51ab1a0a
JD		 5726 return false;
5727
3ae54225 5728 if (BIT(fls(ht_nss_mask)) - 1 != ht_nss_mask)
51ab1a0a
JD		 5729 return false;
5730
3ae54225 5731 *nss = fls(ht_nss_mask);
51ab1a0a
JD		 5732
5733 return true;
5734}
5735
3ae54225
MK		 5736static int
5737ath10k_mac_bitrate_mask_get_single_rate(struct ath10k *ar,
5738 enum ieee80211_band band,
5739 const struct cfg80211_bitrate_mask *mask,
5740 u8 *rate, u8 *nss)
51ab1a0a 5741{
3ae54225
MK		 5742 struct ieee80211_supported_band *sband = &ar->mac.sbands[band];
5743 int rate_idx;
5744 int i;
5745 u16 bitrate;
5746 u8 preamble;
5747 u8 hw_rate;
51ab1a0a 5748
3ae54225
MK		 5749 if (hweight32(mask->control[band].legacy) == 1) {
5750 rate_idx = ffs(mask->control[band].legacy) - 1;
51ab1a0a 5751
3ae54225
MK		 5752 hw_rate = sband->bitrates[rate_idx].hw_value;
5753 bitrate = sband->bitrates[rate_idx].bitrate;
51ab1a0a 5754
3ae54225
MK		 5755 if (ath10k_mac_bitrate_is_cck(bitrate))
5756 preamble = WMI_RATE_PREAMBLE_CCK;
5757 else
5758 preamble = WMI_RATE_PREAMBLE_OFDM;
51ab1a0a 5759
3ae54225
MK		 5760 *nss = 1;
5761 *rate = preamble << 6 |
5762 (*nss - 1) << 4 |
5763 hw_rate << 0;
51ab1a0a 5764
3ae54225 5765 return 0;
51ab1a0a
JD		 5766 }
5767
3ae54225
MK		 5768 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {
5769 if (hweight8(mask->control[band].ht_mcs[i]) == 1) {
5770 *nss = i + 1;
5771 *rate = WMI_RATE_PREAMBLE_HT << 6 |
5772 (*nss - 1) << 4 |
5773 (ffs(mask->control[band].ht_mcs[i]) - 1);
51ab1a0a 5774
3ae54225
MK		 5775 return 0;
5776 }
5777 }
51ab1a0a 5778
3ae54225
MK		 5779 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
5780 if (hweight16(mask->control[band].vht_mcs[i]) == 1) {
5781 *nss = i + 1;
5782 *rate = WMI_RATE_PREAMBLE_VHT << 6 |
5783 (*nss - 1) << 4 |
5784 (ffs(mask->control[band].vht_mcs[i]) - 1);
51ab1a0a 5785
3ae54225
MK		 5786 return 0;
5787 }
5788 }
51ab1a0a 5789
3ae54225 5790 return -EINVAL;
51ab1a0a
JD		 5791}
5792
3ae54225
MK		 5793static int ath10k_mac_set_fixed_rate_params(struct ath10k_vif *arvif,
5794 u8 rate, u8 nss, u8 sgi)
51ab1a0a
JD		 5795{
5796 struct ath10k *ar = arvif->ar;
5797 u32 vdev_param;
3ae54225 5798 int ret;
51ab1a0a 5799
3ae54225 5800 lockdep_assert_held(&ar->conf_mutex);
51ab1a0a 5801
3ae54225
MK		 5802 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac set fixed rate params vdev %i rate 0x%02hhx nss %hhu sgi %hhu\n",
5803 arvif->vdev_id, rate, nss, sgi);
9f81f725 5804
51ab1a0a 5805 vdev_param = ar->wmi.vdev_param->fixed_rate;
3ae54225 5806 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, rate);
51ab1a0a 5807 if (ret) {
7aa7a72a 5808 ath10k_warn(ar, "failed to set fixed rate param 0x%02x: %d\n",
3ae54225
MK		 5809 rate, ret);
5810 return ret;
51ab1a0a
JD		 5811 }
5812
51ab1a0a 5813 vdev_param = ar->wmi.vdev_param->nss;
3ae54225 5814 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, nss);
51ab1a0a 5815 if (ret) {
3ae54225
MK		 5816 ath10k_warn(ar, "failed to set nss param %d: %d\n", nss, ret);
5817 return ret;
51ab1a0a 5818 }
51ab1a0a 5819
9f81f725 5820 vdev_param = ar->wmi.vdev_param->sgi;
3ae54225 5821 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, sgi);
51ab1a0a 5822 if (ret) {
3ae54225
MK		 5823 ath10k_warn(ar, "failed to set sgi param %d: %d\n", sgi, ret);
5824 return ret;
51ab1a0a
JD		 5825 }
5826
3ae54225 5827 return 0;
51ab1a0a 5828}
51ab1a0a 5829
45c9abc0
MK		 5830static bool
5831ath10k_mac_can_set_bitrate_mask(struct ath10k *ar,
5832 enum ieee80211_band band,
5833 const struct cfg80211_bitrate_mask *mask)
5834{
5835 int i;
5836 u16 vht_mcs;
9f81f725 5837
45c9abc0
MK		 5838 /* Due to firmware limitation in WMI_PEER_ASSOC_CMDID it is impossible
5839 * to express all VHT MCS rate masks. Effectively only the following
5840 * ranges can be used: none, 0-7, 0-8 and 0-9.
5841 */
5842 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
5843 vht_mcs = mask->control[band].vht_mcs[i];
5844
5845 switch (vht_mcs) {
5846 case 0:
5847 case BIT(8) - 1:
5848 case BIT(9) - 1:
5849 case BIT(10) - 1:
5850 break;
5851 default:
5852 ath10k_warn(ar, "refusing bitrate mask with missing 0-7 VHT MCS rates\n");
5853 return false;
5854 }
9f81f725
JD		 5855 }
5856
45c9abc0
MK		 5857 return true;
5858}
9f81f725 5859
45c9abc0
MK		 5860static void ath10k_mac_set_bitrate_mask_iter(void *data,
5861 struct ieee80211_sta *sta)
5862{
5863 struct ath10k_vif *arvif = data;
5864 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
5865 struct ath10k *ar = arvif->ar;
5866
5867 if (arsta->arvif != arvif)
5868 return;
5869
5870 spin_lock_bh(&ar->data_lock);
5871 arsta->changed |= IEEE80211_RC_SUPP_RATES_CHANGED;
5872 spin_unlock_bh(&ar->data_lock);
5873
5874 ieee80211_queue_work(ar->hw, &arsta->update_wk);
51ab1a0a
JD		 5875}
5876
3ae54225
MK		 5877static int ath10k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw,
5878 struct ieee80211_vif *vif,
5879 const struct cfg80211_bitrate_mask *mask)
51ab1a0a
JD		 5880{
5881 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
500ff9f9 5882 struct cfg80211_chan_def def;
51ab1a0a 5883 struct ath10k *ar = arvif->ar;
500ff9f9 5884 enum ieee80211_band band;
45c9abc0
MK		 5885 const u8 *ht_mcs_mask;
5886 const u16 *vht_mcs_mask;
3ae54225
MK		 5887 u8 rate;
5888 u8 nss;
5889 u8 sgi;
5890 int single_nss;
5891 int ret;
9f81f725 5892
500ff9f9
MK		 5893 if (ath10k_mac_vif_chan(vif, &def))
5894 return -EPERM;
b116ea19 5895
500ff9f9 5896 band = def.chan->band;
45c9abc0
MK		 5897 ht_mcs_mask = mask->control[band].ht_mcs;
5898 vht_mcs_mask = mask->control[band].vht_mcs;
b116ea19 5899
3ae54225
MK		 5900 sgi = mask->control[band].gi;
5901 if (sgi == NL80211_TXRATE_FORCE_LGI)
9f81f725 5902 return -EINVAL;
51ab1a0a 5903
3ae54225
MK		 5904 if (ath10k_mac_bitrate_mask_has_single_rate(ar, band, mask)) {
5905 ret = ath10k_mac_bitrate_mask_get_single_rate(ar, band, mask,
5906 &rate, &nss);
5907 if (ret) {
5908 ath10k_warn(ar, "failed to get single rate for vdev %i: %d\n",
5909 arvif->vdev_id, ret);
5910 return ret;
5911 }
5912 } else if (ath10k_mac_bitrate_mask_get_single_nss(ar, band, mask,
5913 &single_nss)) {
5914 rate = WMI_FIXED_RATE_NONE;
5915 nss = single_nss;
5916 } else {
5917 rate = WMI_FIXED_RATE_NONE;
45c9abc0
MK		 5918 nss = min(ar->num_rf_chains,
5919 max(ath10k_mac_max_ht_nss(ht_mcs_mask),
5920 ath10k_mac_max_vht_nss(vht_mcs_mask)));
5921
5922 if (!ath10k_mac_can_set_bitrate_mask(ar, band, mask))
51ab1a0a 5923 return -EINVAL;
45c9abc0
MK		 5924
5925 mutex_lock(&ar->conf_mutex);
5926
5927 arvif->bitrate_mask = *mask;
5928 ieee80211_iterate_stations_atomic(ar->hw,
5929 ath10k_mac_set_bitrate_mask_iter,
5930 arvif);
5931
5932 mutex_unlock(&ar->conf_mutex);
51ab1a0a
JD		 5933 }
5934
3ae54225
MK		 5935 mutex_lock(&ar->conf_mutex);
5936
5937 ret = ath10k_mac_set_fixed_rate_params(arvif, rate, nss, sgi);
5938 if (ret) {
5939 ath10k_warn(ar, "failed to set fixed rate params on vdev %i: %d\n",
5940 arvif->vdev_id, ret);
5941 goto exit;
9f81f725
JD		 5942 }
5943
3ae54225
MK		 5944exit:
5945 mutex_unlock(&ar->conf_mutex);
5946
5947 return ret;
51ab1a0a
JD		 5948}
5949
9797febc
MK		 5950static void ath10k_sta_rc_update(struct ieee80211_hw *hw,
5951 struct ieee80211_vif *vif,
5952 struct ieee80211_sta *sta,
5953 u32 changed)
5954{
5955 struct ath10k *ar = hw->priv;
5956 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
5957 u32 bw, smps;
5958
5959 spin_lock_bh(&ar->data_lock);
5960
7aa7a72a 5961 ath10k_dbg(ar, ATH10K_DBG_MAC,
9797febc
MK		 5962 "mac sta rc update for %pM changed %08x bw %d nss %d smps %d\n",
5963 sta->addr, changed, sta->bandwidth, sta->rx_nss,
5964 sta->smps_mode);
5965
5966 if (changed & IEEE80211_RC_BW_CHANGED) {
5967 bw = WMI_PEER_CHWIDTH_20MHZ;
5968
5969 switch (sta->bandwidth) {
5970 case IEEE80211_STA_RX_BW_20:
5971 bw = WMI_PEER_CHWIDTH_20MHZ;
5972 break;
5973 case IEEE80211_STA_RX_BW_40:
5974 bw = WMI_PEER_CHWIDTH_40MHZ;
5975 break;
5976 case IEEE80211_STA_RX_BW_80:
5977 bw = WMI_PEER_CHWIDTH_80MHZ;
5978 break;
5979 case IEEE80211_STA_RX_BW_160:
d939be3a 5980 ath10k_warn(ar, "Invalid bandwidth %d in rc update for %pM\n",
be6546fc 5981 sta->bandwidth, sta->addr);
9797febc
MK		 5982 bw = WMI_PEER_CHWIDTH_20MHZ;
5983 break;
5984 }
5985
5986 arsta->bw = bw;
5987 }
5988
5989 if (changed & IEEE80211_RC_NSS_CHANGED)
5990 arsta->nss = sta->rx_nss;
5991
5992 if (changed & IEEE80211_RC_SMPS_CHANGED) {
5993 smps = WMI_PEER_SMPS_PS_NONE;
5994
5995 switch (sta->smps_mode) {
5996 case IEEE80211_SMPS_AUTOMATIC:
5997 case IEEE80211_SMPS_OFF:
5998 smps = WMI_PEER_SMPS_PS_NONE;
5999 break;
6000 case IEEE80211_SMPS_STATIC:
6001 smps = WMI_PEER_SMPS_STATIC;
6002 break;
6003 case IEEE80211_SMPS_DYNAMIC:
6004 smps = WMI_PEER_SMPS_DYNAMIC;
6005 break;
6006 case IEEE80211_SMPS_NUM_MODES:
7aa7a72a 6007 ath10k_warn(ar, "Invalid smps %d in sta rc update for %pM\n",
be6546fc 6008 sta->smps_mode, sta->addr);
9797febc
MK		 6009 smps = WMI_PEER_SMPS_PS_NONE;
6010 break;
6011 }
6012
6013 arsta->smps = smps;
6014 }
6015
9797febc
MK		 6016 arsta->changed |= changed;
6017
6018 spin_unlock_bh(&ar->data_lock);
6019
6020 ieee80211_queue_work(hw, &arsta->update_wk);
6021}
6022
26ebbccf
CYY		 6023static u64 ath10k_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
6024{
6025 /*
6026 * FIXME: Return 0 for time being. Need to figure out whether FW
6027 * has the API to fetch 64-bit local TSF
6028 */
6029
6030 return 0;
6031}
6032
aa5b4fbc
MK		 6033static int ath10k_ampdu_action(struct ieee80211_hw *hw,
6034 struct ieee80211_vif *vif,
6035 enum ieee80211_ampdu_mlme_action action,
6036 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
6037 u8 buf_size)
6038{
7aa7a72a 6039 struct ath10k *ar = hw->priv;
aa5b4fbc
MK		 6040 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
6041
7aa7a72a 6042 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ampdu vdev_id %i sta %pM tid %hu action %d\n",
aa5b4fbc
MK		 6043 arvif->vdev_id, sta->addr, tid, action);
6044
6045 switch (action) {
6046 case IEEE80211_AMPDU_RX_START:
6047 case IEEE80211_AMPDU_RX_STOP:
6048 /* HTT AddBa/DelBa events trigger mac80211 Rx BA session
6049 * creation/removal. Do we need to verify this?
6050 */
6051 return 0;
6052 case IEEE80211_AMPDU_TX_START:
6053 case IEEE80211_AMPDU_TX_STOP_CONT:
6054 case IEEE80211_AMPDU_TX_STOP_FLUSH:
6055 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
6056 case IEEE80211_AMPDU_TX_OPERATIONAL:
6057 /* Firmware offloads Tx aggregation entirely so deny mac80211
6058 * Tx aggregation requests.
6059 */
6060 return -EOPNOTSUPP;
6061 }
6062
6063 return -EINVAL;
6064}
6065
500ff9f9 6066static void
d7bf4b4a
MK		 6067ath10k_mac_update_rx_channel(struct ath10k *ar,
6068 struct ieee80211_chanctx_conf *ctx,
6069 struct ieee80211_vif_chanctx_switch *vifs,
6070 int n_vifs)
500ff9f9
MK		 6071{
6072 struct cfg80211_chan_def *def = NULL;
6073
6074 /* Both locks are required because ar->rx_channel is modified. This
6075 * allows readers to hold either lock.
6076 */
6077 lockdep_assert_held(&ar->conf_mutex);
6078 lockdep_assert_held(&ar->data_lock);
6079
d7bf4b4a
MK		 6080 WARN_ON(ctx && vifs);
6081 WARN_ON(vifs && n_vifs != 1);
6082
500ff9f9
MK		 6083 /* FIXME: Sort of an optimization and a workaround. Peers and vifs are
6084 * on a linked list now. Doing a lookup peer -> vif -> chanctx for each
6085 * ppdu on Rx may reduce performance on low-end systems. It should be
6086 * possible to make tables/hashmaps to speed the lookup up (be vary of
6087 * cpu data cache lines though regarding sizes) but to keep the initial
6088 * implementation simple and less intrusive fallback to the slow lookup
6089 * only for multi-channel cases. Single-channel cases will remain to
6090 * use the old channel derival and thus performance should not be
6091 * affected much.
6092 */
6093 rcu_read_lock();
d7bf4b4a 6094 if (!ctx && ath10k_mac_num_chanctxs(ar) == 1) {
500ff9f9
MK		 6095 ieee80211_iter_chan_contexts_atomic(ar->hw,
6096 ath10k_mac_get_any_chandef_iter,
6097 &def);
d7bf4b4a
MK		 6098
6099 if (vifs)
6100 def = &vifs[0].new_ctx->def;
6101
500ff9f9 6102 ar->rx_channel = def->chan;
d7bf4b4a
MK		 6103 } else if (ctx && ath10k_mac_num_chanctxs(ar) == 0) {
6104 ar->rx_channel = ctx->def.chan;
500ff9f9
MK		 6105 } else {
6106 ar->rx_channel = NULL;
6107 }
6108 rcu_read_unlock();
6109}
6110
500ff9f9
MK		 6111static int
6112ath10k_mac_op_add_chanctx(struct ieee80211_hw *hw,
6113 struct ieee80211_chanctx_conf *ctx)
6114{
6115 struct ath10k *ar = hw->priv;
500ff9f9
MK		 6116
6117 ath10k_dbg(ar, ATH10K_DBG_MAC,
6118 "mac chanctx add freq %hu width %d ptr %p\n",
6119 ctx->def.chan->center_freq, ctx->def.width, ctx);
6120
6121 mutex_lock(&ar->conf_mutex);
6122
6123 spin_lock_bh(&ar->data_lock);
d7bf4b4a 6124 ath10k_mac_update_rx_channel(ar, ctx, NULL, 0);
500ff9f9
MK		 6125 spin_unlock_bh(&ar->data_lock);
6126
6127 ath10k_recalc_radar_detection(ar);
6128 ath10k_monitor_recalc(ar);
6129
6130 mutex_unlock(&ar->conf_mutex);
6131
6132 return 0;
6133}
6134
6135static void
6136ath10k_mac_op_remove_chanctx(struct ieee80211_hw *hw,
6137 struct ieee80211_chanctx_conf *ctx)
6138{
6139 struct ath10k *ar = hw->priv;
6140
6141 ath10k_dbg(ar, ATH10K_DBG_MAC,
6142 "mac chanctx remove freq %hu width %d ptr %p\n",
6143 ctx->def.chan->center_freq, ctx->def.width, ctx);
6144
6145 mutex_lock(&ar->conf_mutex);
6146
6147 spin_lock_bh(&ar->data_lock);
d7bf4b4a 6148 ath10k_mac_update_rx_channel(ar, NULL, NULL, 0);
500ff9f9
MK		 6149 spin_unlock_bh(&ar->data_lock);
6150
6151 ath10k_recalc_radar_detection(ar);
6152 ath10k_monitor_recalc(ar);
6153
6154 mutex_unlock(&ar->conf_mutex);
6155}
6156
6157static void
6158ath10k_mac_op_change_chanctx(struct ieee80211_hw *hw,
6159 struct ieee80211_chanctx_conf *ctx,
6160 u32 changed)
6161{
6162 struct ath10k *ar = hw->priv;
500ff9f9
MK		 6163
6164 mutex_lock(&ar->conf_mutex);
6165
6166 ath10k_dbg(ar, ATH10K_DBG_MAC,
089ab7a5
MK		 6167 "mac chanctx change freq %hu width %d ptr %p changed %x\n",
6168 ctx->def.chan->center_freq, ctx->def.width, ctx, changed);
500ff9f9
MK		 6169
6170 /* This shouldn't really happen because channel switching should use
6171 * switch_vif_chanctx().
6172 */
6173 if (WARN_ON(changed & IEEE80211_CHANCTX_CHANGE_CHANNEL))
6174 goto unlock;
6175
500ff9f9
MK		 6176 ath10k_recalc_radar_detection(ar);
6177
6178 /* FIXME: How to configure Rx chains properly? */
6179
6180 /* No other actions are actually necessary. Firmware maintains channel
6181 * definitions per vdev internally and there's no host-side channel
6182 * context abstraction to configure, e.g. channel width.
6183 */
6184
6185unlock:
6186 mutex_unlock(&ar->conf_mutex);
6187}
6188
6189static int
6190ath10k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw,
6191 struct ieee80211_vif *vif,
6192 struct ieee80211_chanctx_conf *ctx)
6193{
6194 struct ath10k *ar = hw->priv;
500ff9f9
MK		 6195 struct ath10k_vif *arvif = (void *)vif->drv_priv;
6196 int ret;
6197
6198 mutex_lock(&ar->conf_mutex);
6199
6200 ath10k_dbg(ar, ATH10K_DBG_MAC,
6201 "mac chanctx assign ptr %p vdev_id %i\n",
6202 ctx, arvif->vdev_id);
6203
6204 if (WARN_ON(arvif->is_started)) {
6205 mutex_unlock(&ar->conf_mutex);
6206 return -EBUSY;
6207 }
6208
089ab7a5 6209 ret = ath10k_vdev_start(arvif, &ctx->def);
500ff9f9
MK		 6210 if (ret) {
6211 ath10k_warn(ar, "failed to start vdev %i addr %pM on freq %d: %d\n",
6212 arvif->vdev_id, vif->addr,
089ab7a5 6213 ctx->def.chan->center_freq, ret);
500ff9f9
MK		 6214 goto err;
6215 }
6216
6217 arvif->is_started = true;
6218
6219 if (vif->type == NL80211_IFTYPE_MONITOR) {
6220 ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, 0, vif->addr);
6221 if (ret) {
6222 ath10k_warn(ar, "failed to up monitor vdev %i: %d\n",
6223 arvif->vdev_id, ret);
6224 goto err_stop;
6225 }
6226
6227 arvif->is_up = true;
6228 }
6229
6230 mutex_unlock(&ar->conf_mutex);
6231 return 0;
6232
6233err_stop:
6234 ath10k_vdev_stop(arvif);
6235 arvif->is_started = false;
6236
6237err:
6238 mutex_unlock(&ar->conf_mutex);
6239 return ret;
6240}
6241
6242static void
6243ath10k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw,
6244 struct ieee80211_vif *vif,
6245 struct ieee80211_chanctx_conf *ctx)
6246{
6247 struct ath10k *ar = hw->priv;
6248 struct ath10k_vif *arvif = (void *)vif->drv_priv;
6249 int ret;
6250
6251 mutex_lock(&ar->conf_mutex);
6252
6253 ath10k_dbg(ar, ATH10K_DBG_MAC,
6254 "mac chanctx unassign ptr %p vdev_id %i\n",
6255 ctx, arvif->vdev_id);
6256
6257 WARN_ON(!arvif->is_started);
6258
6259 if (vif->type == NL80211_IFTYPE_MONITOR) {
6260 WARN_ON(!arvif->is_up);
6261
6262 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
6263 if (ret)
6264 ath10k_warn(ar, "failed to down monitor vdev %i: %d\n",
6265 arvif->vdev_id, ret);
6266
6267 arvif->is_up = false;
6268 }
6269
6270 ret = ath10k_vdev_stop(arvif);
6271 if (ret)
6272 ath10k_warn(ar, "failed to stop vdev %i: %d\n",
6273 arvif->vdev_id, ret);
6274
6275 arvif->is_started = false;
6276
6277 mutex_unlock(&ar->conf_mutex);
6278}
6279
6280static int
6281ath10k_mac_op_switch_vif_chanctx(struct ieee80211_hw *hw,
6282 struct ieee80211_vif_chanctx_switch *vifs,
6283 int n_vifs,
6284 enum ieee80211_chanctx_switch_mode mode)
6285{
6286 struct ath10k *ar = hw->priv;
6287 struct ath10k_vif *arvif;
0e6eb417 6288 int ret;
500ff9f9
MK		 6289 int i;
6290
6291 mutex_lock(&ar->conf_mutex);
6292
6293 ath10k_dbg(ar, ATH10K_DBG_MAC,
6294 "mac chanctx switch n_vifs %d mode %d\n",
6295 n_vifs, mode);
6296
0e6eb417
MK		 6297 /* First stop monitor interface. Some FW versions crash if there's a
6298 * lone monitor interface.
6299 */
6300 if (ar->monitor_started)
6301 ath10k_monitor_stop(ar);
6302
500ff9f9
MK		 6303 for (i = 0; i < n_vifs; i++) {
6304 arvif = ath10k_vif_to_arvif(vifs[i].vif);
500ff9f9
MK		 6305
6306 ath10k_dbg(ar, ATH10K_DBG_MAC,
089ab7a5 6307 "mac chanctx switch vdev_id %i freq %hu->%hu width %d->%d\n",
500ff9f9
MK		 6308 arvif->vdev_id,
6309 vifs[i].old_ctx->def.chan->center_freq,
6310 vifs[i].new_ctx->def.chan->center_freq,
6311 vifs[i].old_ctx->def.width,
089ab7a5 6312 vifs[i].new_ctx->def.width);
0e6eb417
MK		 6313
6314 if (WARN_ON(!arvif->is_started))
6315 continue;
6316
6317 if (WARN_ON(!arvif->is_up))
6318 continue;
6319
6320 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
6321 if (ret) {
6322 ath10k_warn(ar, "failed to down vdev %d: %d\n",
6323 arvif->vdev_id, ret);
6324 continue;
6325 }
500ff9f9 6326 }
0e6eb417
MK		 6327
6328 /* All relevant vdevs are downed and associated channel resources
6329 * should be available for the channel switch now.
6330 */
6331
6332 spin_lock_bh(&ar->data_lock);
d7bf4b4a 6333 ath10k_mac_update_rx_channel(ar, NULL, vifs, n_vifs);
500ff9f9
MK		 6334 spin_unlock_bh(&ar->data_lock);
6335
0e6eb417
MK		 6336 for (i = 0; i < n_vifs; i++) {
6337 arvif = ath10k_vif_to_arvif(vifs[i].vif);
6338
6339 if (WARN_ON(!arvif->is_started))
6340 continue;
6341
6342 if (WARN_ON(!arvif->is_up))
6343 continue;
6344
6345 ret = ath10k_mac_setup_bcn_tmpl(arvif);
6346 if (ret)
6347 ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n",
6348 ret);
6349
6350 ret = ath10k_mac_setup_prb_tmpl(arvif);
6351 if (ret)
6352 ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n",
6353 ret);
6354
6355 ret = ath10k_vdev_restart(arvif, &vifs[i].new_ctx->def);
6356 if (ret) {
6357 ath10k_warn(ar, "failed to restart vdev %d: %d\n",
6358 arvif->vdev_id, ret);
6359 continue;
6360 }
6361
6362 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
6363 arvif->bssid);
6364 if (ret) {
6365 ath10k_warn(ar, "failed to bring vdev up %d: %d\n",
6366 arvif->vdev_id, ret);
6367 continue;
6368 }
6369 }
6370
6371 ath10k_monitor_recalc(ar);
500ff9f9
MK		 6372
6373 mutex_unlock(&ar->conf_mutex);
6374 return 0;
6375}
6376
5e3dd157
KV		 6377static const struct ieee80211_ops ath10k_ops = {
6378 .tx = ath10k_tx,
6379 .start = ath10k_start,
6380 .stop = ath10k_stop,
6381 .config = ath10k_config,
6382 .add_interface = ath10k_add_interface,
6383 .remove_interface = ath10k_remove_interface,
6384 .configure_filter = ath10k_configure_filter,
6385 .bss_info_changed = ath10k_bss_info_changed,
6386 .hw_scan = ath10k_hw_scan,
6387 .cancel_hw_scan = ath10k_cancel_hw_scan,
6388 .set_key = ath10k_set_key,
627613f8 6389 .set_default_unicast_key = ath10k_set_default_unicast_key,
5e3dd157
KV		 6390 .sta_state = ath10k_sta_state,
6391 .conf_tx = ath10k_conf_tx,
6392 .remain_on_channel = ath10k_remain_on_channel,
6393 .cancel_remain_on_channel = ath10k_cancel_remain_on_channel,
6394 .set_rts_threshold = ath10k_set_rts_threshold,
5e3dd157
KV		 6395 .flush = ath10k_flush,
6396 .tx_last_beacon = ath10k_tx_last_beacon,
46acf7bb
BG		 6397 .set_antenna = ath10k_set_antenna,
6398 .get_antenna = ath10k_get_antenna,
cf2c92d8 6399 .reconfig_complete = ath10k_reconfig_complete,
2e1dea40 6400 .get_survey = ath10k_get_survey,
3ae54225 6401 .set_bitrate_mask = ath10k_mac_op_set_bitrate_mask,
9797febc 6402 .sta_rc_update = ath10k_sta_rc_update,
26ebbccf 6403 .get_tsf = ath10k_get_tsf,
aa5b4fbc 6404 .ampdu_action = ath10k_ampdu_action,
6cddcc7a
BG		 6405 .get_et_sset_count = ath10k_debug_get_et_sset_count,
6406 .get_et_stats = ath10k_debug_get_et_stats,
6407 .get_et_strings = ath10k_debug_get_et_strings,
500ff9f9
MK		 6408 .add_chanctx = ath10k_mac_op_add_chanctx,
6409 .remove_chanctx = ath10k_mac_op_remove_chanctx,
6410 .change_chanctx = ath10k_mac_op_change_chanctx,
6411 .assign_vif_chanctx = ath10k_mac_op_assign_vif_chanctx,
6412 .unassign_vif_chanctx = ath10k_mac_op_unassign_vif_chanctx,
6413 .switch_vif_chanctx = ath10k_mac_op_switch_vif_chanctx,
43d2a30f
KV		 6414
6415 CFG80211_TESTMODE_CMD(ath10k_tm_cmd)
6416
8cd13cad 6417#ifdef CONFIG_PM
5fd3ac3c
JD		 6418 .suspend = ath10k_wow_op_suspend,
6419 .resume = ath10k_wow_op_resume,
8cd13cad 6420#endif
f5045988
RM		 6421#ifdef CONFIG_MAC80211_DEBUGFS
6422 .sta_add_debugfs = ath10k_sta_add_debugfs,
6423#endif
5e3dd157
KV		 6424};
6425
5e3dd157
KV		 6426#define CHAN2G(_channel, _freq, _flags) { \
6427 .band = IEEE80211_BAND_2GHZ, \
6428 .hw_value = (_channel), \
6429 .center_freq = (_freq), \
6430 .flags = (_flags), \
6431 .max_antenna_gain = 0, \
6432 .max_power = 30, \
6433}
6434
6435#define CHAN5G(_channel, _freq, _flags) { \
6436 .band = IEEE80211_BAND_5GHZ, \
6437 .hw_value = (_channel), \
6438 .center_freq = (_freq), \
6439 .flags = (_flags), \
6440 .max_antenna_gain = 0, \
6441 .max_power = 30, \
6442}
6443
6444static const struct ieee80211_channel ath10k_2ghz_channels[] = {
6445 CHAN2G(1, 2412, 0),
6446 CHAN2G(2, 2417, 0),
6447 CHAN2G(3, 2422, 0),
6448 CHAN2G(4, 2427, 0),
6449 CHAN2G(5, 2432, 0),
6450 CHAN2G(6, 2437, 0),
6451 CHAN2G(7, 2442, 0),
6452 CHAN2G(8, 2447, 0),
6453 CHAN2G(9, 2452, 0),
6454 CHAN2G(10, 2457, 0),
6455 CHAN2G(11, 2462, 0),
6456 CHAN2G(12, 2467, 0),
6457 CHAN2G(13, 2472, 0),
6458 CHAN2G(14, 2484, 0),
6459};
6460
6461static const struct ieee80211_channel ath10k_5ghz_channels[] = {
429ff56a
MK		 6462 CHAN5G(36, 5180, 0),
6463 CHAN5G(40, 5200, 0),
6464 CHAN5G(44, 5220, 0),
6465 CHAN5G(48, 5240, 0),
6466 CHAN5G(52, 5260, 0),
6467 CHAN5G(56, 5280, 0),
6468 CHAN5G(60, 5300, 0),
6469 CHAN5G(64, 5320, 0),
6470 CHAN5G(100, 5500, 0),
6471 CHAN5G(104, 5520, 0),
6472 CHAN5G(108, 5540, 0),
6473 CHAN5G(112, 5560, 0),
6474 CHAN5G(116, 5580, 0),
6475 CHAN5G(120, 5600, 0),
6476 CHAN5G(124, 5620, 0),
6477 CHAN5G(128, 5640, 0),
6478 CHAN5G(132, 5660, 0),
6479 CHAN5G(136, 5680, 0),
6480 CHAN5G(140, 5700, 0),
4a7898fe 6481 CHAN5G(144, 5720, 0),
429ff56a
MK		 6482 CHAN5G(149, 5745, 0),
6483 CHAN5G(153, 5765, 0),
6484 CHAN5G(157, 5785, 0),
6485 CHAN5G(161, 5805, 0),
6486 CHAN5G(165, 5825, 0),
5e3dd157
KV		 6487};
6488
e7b54194 6489struct ath10k *ath10k_mac_create(size_t priv_size)
5e3dd157
KV		 6490{
6491 struct ieee80211_hw *hw;
6492 struct ath10k *ar;
6493
e7b54194 6494 hw = ieee80211_alloc_hw(sizeof(struct ath10k) + priv_size, &ath10k_ops);
5e3dd157
KV		 6495 if (!hw)
6496 return NULL;
6497
6498 ar = hw->priv;
6499 ar->hw = hw;
6500
6501 return ar;
6502}
6503
6504void ath10k_mac_destroy(struct ath10k *ar)
6505{
6506 ieee80211_free_hw(ar->hw);
6507}
6508
6509static const struct ieee80211_iface_limit ath10k_if_limits[] = {
6510 {
6511 .max = 8,
6512 .types = BIT(NL80211_IFTYPE_STATION)
6513 | BIT(NL80211_IFTYPE_P2P_CLIENT)
d531cb85
MK		 6514 },
6515 {
6516 .max = 3,
6517 .types = BIT(NL80211_IFTYPE_P2P_GO)
6518 },
6519 {
75d2bd48
MK		 6520 .max = 1,
6521 .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
6522 },
6523 {
d531cb85
MK		 6524 .max = 7,
6525 .types = BIT(NL80211_IFTYPE_AP)
6526 },
5e3dd157
KV		 6527};
6528
f259509b 6529static const struct ieee80211_iface_limit ath10k_10x_if_limits[] = {
e8a50f8b
MP		 6530 {
6531 .max = 8,
6532 .types = BIT(NL80211_IFTYPE_AP)
6533 },
6534};
e8a50f8b
MP		 6535
6536static const struct ieee80211_iface_combination ath10k_if_comb[] = {
6537 {
6538 .limits = ath10k_if_limits,
6539 .n_limits = ARRAY_SIZE(ath10k_if_limits),
6540 .max_interfaces = 8,
6541 .num_different_channels = 1,
6542 .beacon_int_infra_match = true,
6543 },
f259509b
BM		 6544};
6545
6546static const struct ieee80211_iface_combination ath10k_10x_if_comb[] = {
e8a50f8b 6547 {
f259509b
BM		 6548 .limits = ath10k_10x_if_limits,
6549 .n_limits = ARRAY_SIZE(ath10k_10x_if_limits),
e8a50f8b
MP		 6550 .max_interfaces = 8,
6551 .num_different_channels = 1,
6552 .beacon_int_infra_match = true,
f259509b 6553#ifdef CONFIG_ATH10K_DFS_CERTIFIED
e8a50f8b
MP		 6554 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
6555 BIT(NL80211_CHAN_WIDTH_20) |
6556 BIT(NL80211_CHAN_WIDTH_40) |
6557 BIT(NL80211_CHAN_WIDTH_80),
e8a50f8b 6558#endif
f259509b 6559 },
5e3dd157
KV		 6560};
6561
cf32784c
MK		 6562static const struct ieee80211_iface_limit ath10k_tlv_if_limit[] = {
6563 {
6564 .max = 2,
6565 .types = BIT(NL80211_IFTYPE_STATION) |
6566 BIT(NL80211_IFTYPE_AP) |
6567 BIT(NL80211_IFTYPE_P2P_CLIENT) |
6568 BIT(NL80211_IFTYPE_P2P_GO),
6569 },
6570 {
6571 .max = 1,
6572 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
6573 },
6574};
6575
6576static const struct ieee80211_iface_limit ath10k_tlv_if_limit_ibss[] = {
6577 {
6578 .max = 1,
6579 .types = BIT(NL80211_IFTYPE_STATION),
6580 },
6581 {
6582 .max = 1,
6583 .types = BIT(NL80211_IFTYPE_ADHOC),
6584 },
6585};
6586
6587/* FIXME: This is not thouroughly tested. These combinations may over- or
6588 * underestimate hw/fw capabilities.
6589 */
6590static struct ieee80211_iface_combination ath10k_tlv_if_comb[] = {
6591 {
6592 .limits = ath10k_tlv_if_limit,
6593 .num_different_channels = 1,
6594 .max_interfaces = 3,
6595 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit),
6596 },
6597 {
6598 .limits = ath10k_tlv_if_limit_ibss,
6599 .num_different_channels = 1,
6600 .max_interfaces = 2,
6601 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss),
6602 },
6603};
6604
6605static struct ieee80211_iface_combination ath10k_tlv_qcs_if_comb[] = {
6606 {
6607 .limits = ath10k_tlv_if_limit,
6608 .num_different_channels = 2,
6609 .max_interfaces = 3,
6610 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit),
6611 },
6612 {
6613 .limits = ath10k_tlv_if_limit_ibss,
6614 .num_different_channels = 1,
6615 .max_interfaces = 2,
6616 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss),
6617 },
6618};
6619
cf36fef0
RM		 6620static const struct ieee80211_iface_limit ath10k_10_4_if_limits[] = {
6621 {
6622 .max = 1,
6623 .types = BIT(NL80211_IFTYPE_STATION),
6624 },
6625 {
6626 .max = 16,
6627 .types = BIT(NL80211_IFTYPE_AP)
6628 },
6629};
6630
6631static const struct ieee80211_iface_combination ath10k_10_4_if_comb[] = {
6632 {
6633 .limits = ath10k_10_4_if_limits,
6634 .n_limits = ARRAY_SIZE(ath10k_10_4_if_limits),
6635 .max_interfaces = 16,
6636 .num_different_channels = 1,
6637 .beacon_int_infra_match = true,
6638#ifdef CONFIG_ATH10K_DFS_CERTIFIED
6639 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
6640 BIT(NL80211_CHAN_WIDTH_20) |
6641 BIT(NL80211_CHAN_WIDTH_40) |
6642 BIT(NL80211_CHAN_WIDTH_80),
6643#endif
6644 },
6645};
6646
5e3dd157
KV		 6647static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar)
6648{
6649 struct ieee80211_sta_vht_cap vht_cap = {0};
6650 u16 mcs_map;
bc657a36 6651 u32 val;
8865bee4 6652 int i;
5e3dd157
KV		 6653
6654 vht_cap.vht_supported = 1;
6655 vht_cap.cap = ar->vht_cap_info;
6656
bc657a36
MK		 6657 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
6658 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) {
6659 val = ar->num_rf_chains - 1;
6660 val <<= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
6661 val &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
6662
6663 vht_cap.cap |= val;
6664 }
6665
6666 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
6667 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) {
6668 val = ar->num_rf_chains - 1;
6669 val <<= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
6670 val &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
6671
6672 vht_cap.cap |= val;
6673 }
6674
8865bee4
MK		 6675 mcs_map = 0;
6676 for (i = 0; i < 8; i++) {
6677 if (i < ar->num_rf_chains)
6678 mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i*2);
6679 else
6680 mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i*2);
6681 }
5e3dd157
KV		 6682
6683 vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
6684 vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
6685
6686 return vht_cap;
6687}
6688
6689static struct ieee80211_sta_ht_cap ath10k_get_ht_cap(struct ath10k *ar)
6690{
6691 int i;
6692 struct ieee80211_sta_ht_cap ht_cap = {0};
6693
6694 if (!(ar->ht_cap_info & WMI_HT_CAP_ENABLED))
6695 return ht_cap;
6696
6697 ht_cap.ht_supported = 1;
6698 ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
6699 ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8;
6700 ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
6701 ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
6702 ht_cap.cap |= WLAN_HT_CAP_SM_PS_STATIC << IEEE80211_HT_CAP_SM_PS_SHIFT;
6703
6704 if (ar->ht_cap_info & WMI_HT_CAP_HT20_SGI)
6705 ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
6706
6707 if (ar->ht_cap_info & WMI_HT_CAP_HT40_SGI)
6708 ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
6709
6710 if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) {
6711 u32 smps;
6712
6713 smps = WLAN_HT_CAP_SM_PS_DYNAMIC;
6714 smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT;
6715
6716 ht_cap.cap |= smps;
6717 }
6718
6719 if (ar->ht_cap_info & WMI_HT_CAP_TX_STBC)
6720 ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC;
6721
6722 if (ar->ht_cap_info & WMI_HT_CAP_RX_STBC) {
6723 u32 stbc;
6724
6725 stbc = ar->ht_cap_info;
6726 stbc &= WMI_HT_CAP_RX_STBC;
6727 stbc >>= WMI_HT_CAP_RX_STBC_MASK_SHIFT;
6728 stbc <<= IEEE80211_HT_CAP_RX_STBC_SHIFT;
6729 stbc &= IEEE80211_HT_CAP_RX_STBC;
6730
6731 ht_cap.cap |= stbc;
6732 }
6733
6734 if (ar->ht_cap_info & WMI_HT_CAP_LDPC)
6735 ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
6736
6737 if (ar->ht_cap_info & WMI_HT_CAP_L_SIG_TXOP_PROT)
6738 ht_cap.cap |= IEEE80211_HT_CAP_LSIG_TXOP_PROT;
6739
6740 /* max AMSDU is implicitly taken from vht_cap_info */
6741 if (ar->vht_cap_info & WMI_VHT_CAP_MAX_MPDU_LEN_MASK)
6742 ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU;
6743
8865bee4 6744 for (i = 0; i < ar->num_rf_chains; i++)
5e3dd157
KV		 6745 ht_cap.mcs.rx_mask[i] = 0xFF;
6746
6747 ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED;
6748
6749 return ht_cap;
6750}
6751
5e3dd157
KV		 6752static void ath10k_get_arvif_iter(void *data, u8 *mac,
6753 struct ieee80211_vif *vif)
6754{
6755 struct ath10k_vif_iter *arvif_iter = data;
6756 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
6757
6758 if (arvif->vdev_id == arvif_iter->vdev_id)
6759 arvif_iter->arvif = arvif;
6760}
6761
6762struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id)
6763{
6764 struct ath10k_vif_iter arvif_iter;
6765 u32 flags;
6766
6767 memset(&arvif_iter, 0, sizeof(struct ath10k_vif_iter));
6768 arvif_iter.vdev_id = vdev_id;
6769
6770 flags = IEEE80211_IFACE_ITER_RESUME_ALL;
6771 ieee80211_iterate_active_interfaces_atomic(ar->hw,
6772 flags,
6773 ath10k_get_arvif_iter,
6774 &arvif_iter);
6775 if (!arvif_iter.arvif) {
7aa7a72a 6776 ath10k_warn(ar, "No VIF found for vdev %d\n", vdev_id);
5e3dd157
KV		 6777 return NULL;
6778 }
6779
6780 return arvif_iter.arvif;
6781}
6782
6783int ath10k_mac_register(struct ath10k *ar)
6784{
3cb10943
JB		 6785 static const u32 cipher_suites[] = {
6786 WLAN_CIPHER_SUITE_WEP40,
6787 WLAN_CIPHER_SUITE_WEP104,
6788 WLAN_CIPHER_SUITE_TKIP,
6789 WLAN_CIPHER_SUITE_CCMP,
6790 WLAN_CIPHER_SUITE_AES_CMAC,
6791 };
5e3dd157
KV		 6792 struct ieee80211_supported_band *band;
6793 struct ieee80211_sta_vht_cap vht_cap;
6794 struct ieee80211_sta_ht_cap ht_cap;
6795 void *channels;
6796 int ret;
6797
6798 SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr);
6799
6800 SET_IEEE80211_DEV(ar->hw, ar->dev);
6801
6802 ht_cap = ath10k_get_ht_cap(ar);
6803 vht_cap = ath10k_create_vht_cap(ar);
6804
c94aa7ef
MK		 6805 BUILD_BUG_ON((ARRAY_SIZE(ath10k_2ghz_channels) +
6806 ARRAY_SIZE(ath10k_5ghz_channels)) !=
6807 ATH10K_NUM_CHANS);
6808
5e3dd157
KV		 6809 if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) {
6810 channels = kmemdup(ath10k_2ghz_channels,
6811 sizeof(ath10k_2ghz_channels),
6812 GFP_KERNEL);
d6015b27
MK		 6813 if (!channels) {
6814 ret = -ENOMEM;
6815 goto err_free;
6816 }
5e3dd157
KV		 6817
6818 band = &ar->mac.sbands[IEEE80211_BAND_2GHZ];
6819 band->n_channels = ARRAY_SIZE(ath10k_2ghz_channels);
6820 band->channels = channels;
6821 band->n_bitrates = ath10k_g_rates_size;
6822 band->bitrates = ath10k_g_rates;
6823 band->ht_cap = ht_cap;
6824
d68bb12a
YL		 6825 /* Enable the VHT support at 2.4 GHz */
6826 band->vht_cap = vht_cap;
5e3dd157
KV		 6827
6828 ar->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band;
6829 }
6830
6831 if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) {
6832 channels = kmemdup(ath10k_5ghz_channels,
6833 sizeof(ath10k_5ghz_channels),
6834 GFP_KERNEL);
6835 if (!channels) {
d6015b27
MK		 6836 ret = -ENOMEM;
6837 goto err_free;
5e3dd157
KV		 6838 }
6839
6840 band = &ar->mac.sbands[IEEE80211_BAND_5GHZ];
6841 band->n_channels = ARRAY_SIZE(ath10k_5ghz_channels);
6842 band->channels = channels;
6843 band->n_bitrates = ath10k_a_rates_size;
6844 band->bitrates = ath10k_a_rates;
6845 band->ht_cap = ht_cap;
6846 band->vht_cap = vht_cap;
6847 ar->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = band;
6848 }
6849
6850 ar->hw->wiphy->interface_modes =
6851 BIT(NL80211_IFTYPE_STATION) |
d354181f
BM		 6852 BIT(NL80211_IFTYPE_AP);
6853
46acf7bb
BG		 6854 ar->hw->wiphy->available_antennas_rx = ar->supp_rx_chainmask;
6855 ar->hw->wiphy->available_antennas_tx = ar->supp_tx_chainmask;
6856
d354181f
BM		 6857 if (!test_bit(ATH10K_FW_FEATURE_NO_P2P, ar->fw_features))
6858 ar->hw->wiphy->interface_modes |=
75d2bd48 6859 BIT(NL80211_IFTYPE_P2P_DEVICE) |
d354181f
BM		 6860 BIT(NL80211_IFTYPE_P2P_CLIENT) |
6861 BIT(NL80211_IFTYPE_P2P_GO);
5e3dd157
KV		 6862
6863 ar->hw->flags = IEEE80211_HW_SIGNAL_DBM |
6864 IEEE80211_HW_SUPPORTS_PS |
6865 IEEE80211_HW_SUPPORTS_DYNAMIC_PS |
5e3dd157
KV		 6866 IEEE80211_HW_MFP_CAPABLE |
6867 IEEE80211_HW_REPORTS_TX_ACK_STATUS |
6868 IEEE80211_HW_HAS_RATE_CONTROL |
2f0f1121 6869 IEEE80211_HW_AP_LINK_PS |
3cb10943 6870 IEEE80211_HW_SPECTRUM_MGMT |
41fbf6e4 6871 IEEE80211_HW_SW_CRYPTO_CONTROL |
d98c3edc 6872 IEEE80211_HW_SUPPORT_FAST_XMIT |
500ff9f9 6873 IEEE80211_HW_CONNECTION_MONITOR |
0cd9bc14 6874 IEEE80211_HW_SUPPORTS_PER_STA_GTK |
500ff9f9 6875 IEEE80211_HW_WANT_MONITOR_VIF |
96d828d4
MK		 6876 IEEE80211_HW_CHANCTX_STA_CSA |
6877 IEEE80211_HW_QUEUE_CONTROL;
5e3dd157 6878
0d8614b4 6879 ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS;
0cd9bc14 6880 ar->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
0d8614b4 6881
5e3dd157 6882 if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS)
0d8614b4 6883 ar->hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS;
5e3dd157
KV		 6884
6885 if (ar->ht_cap_info & WMI_HT_CAP_ENABLED) {
6886 ar->hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
6887 ar->hw->flags |= IEEE80211_HW_TX_AMPDU_SETUP_IN_HW;
6888 }
6889
6890 ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID;
6891 ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN;
6892
6893 ar->hw->vif_data_size = sizeof(struct ath10k_vif);
9797febc 6894 ar->hw->sta_data_size = sizeof(struct ath10k_sta);
5e3dd157 6895
5e3dd157
KV		 6896 ar->hw->max_listen_interval = ATH10K_MAX_HW_LISTEN_INTERVAL;
6897
fbb8f1b7
MK		 6898 if (test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) {
6899 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
6900
6901 /* Firmware delivers WPS/P2P Probe Requests frames to driver so
6902 * that userspace (e.g. wpa_supplicant/hostapd) can generate
6903 * correct Probe Responses. This is more of a hack advert..
6904 */
6905 ar->hw->wiphy->probe_resp_offload |=
6906 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
6907 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
6908 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
6909 }
6910
75d85fd9
MP		 6911 if (test_bit(WMI_SERVICE_TDLS, ar->wmi.svc_map))
6912 ar->hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
6913
5e3dd157 6914 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
c2df44b3 6915 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
5e3dd157
KV		 6916 ar->hw->wiphy->max_remain_on_channel_duration = 5000;
6917
6918 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
78157a1c
RM		 6919 ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE;
6920
37a0b394
JD		 6921 ar->hw->wiphy->max_ap_assoc_sta = ar->max_num_stations;
6922
5fd3ac3c
JD		 6923 ret = ath10k_wow_init(ar);
6924 if (ret) {
6925 ath10k_warn(ar, "failed to init wow: %d\n", ret);
6926 goto err_free;
6927 }
6928
c702534a
JD		 6929 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
6930
5e3dd157
KV		 6931 /*
6932 * on LL hardware queues are managed entirely by the FW
6933 * so we only advertise to mac we can do the queues thing
6934 */
96d828d4
MK		 6935 ar->hw->queues = IEEE80211_MAX_QUEUES;
6936
6937 /* vdev_ids are used as hw queue numbers. Make sure offchan tx queue is
6938 * something that vdev_ids can't reach so that we don't stop the queue
6939 * accidentally.
6940 */
6941 ar->hw->offchannel_tx_hw_queue = IEEE80211_MAX_QUEUES - 1;
5e3dd157 6942
5cc7caf4
KV		 6943 switch (ar->wmi.op_version) {
6944 case ATH10K_FW_WMI_OP_VERSION_MAIN:
f259509b
BM		 6945 ar->hw->wiphy->iface_combinations = ath10k_if_comb;
6946 ar->hw->wiphy->n_iface_combinations =
6947 ARRAY_SIZE(ath10k_if_comb);
cf850d1d 6948 ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
5cc7caf4 6949 break;
cf32784c
MK		 6950 case ATH10K_FW_WMI_OP_VERSION_TLV:
6951 if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) {
6952 ar->hw->wiphy->iface_combinations =
6953 ath10k_tlv_qcs_if_comb;
6954 ar->hw->wiphy->n_iface_combinations =
6955 ARRAY_SIZE(ath10k_tlv_qcs_if_comb);
6956 } else {
6957 ar->hw->wiphy->iface_combinations = ath10k_tlv_if_comb;
6958 ar->hw->wiphy->n_iface_combinations =
6959 ARRAY_SIZE(ath10k_tlv_if_comb);
6960 }
6961 ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
6962 break;
5cc7caf4
KV		 6963 case ATH10K_FW_WMI_OP_VERSION_10_1:
6964 case ATH10K_FW_WMI_OP_VERSION_10_2:
4a16fbec 6965 case ATH10K_FW_WMI_OP_VERSION_10_2_4:
5cc7caf4
KV		 6966 ar->hw->wiphy->iface_combinations = ath10k_10x_if_comb;
6967 ar->hw->wiphy->n_iface_combinations =
6968 ARRAY_SIZE(ath10k_10x_if_comb);
6969 break;
9bd21322 6970 case ATH10K_FW_WMI_OP_VERSION_10_4:
cf36fef0
RM		 6971 ar->hw->wiphy->iface_combinations = ath10k_10_4_if_comb;
6972 ar->hw->wiphy->n_iface_combinations =
6973 ARRAY_SIZE(ath10k_10_4_if_comb);
9bd21322 6974 break;
5cc7caf4
KV		 6975 case ATH10K_FW_WMI_OP_VERSION_UNSET:
6976 case ATH10K_FW_WMI_OP_VERSION_MAX:
6977 WARN_ON(1);
6978 ret = -EINVAL;
6979 goto err_free;
f259509b 6980 }
5e3dd157 6981
7c199997
MK		 6982 ar->hw->netdev_features = NETIF_F_HW_CSUM;
6983
9702c686
JD		 6984 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) {
6985 /* Init ath dfs pattern detector */
6986 ar->ath_common.debug_mask = ATH_DBG_DFS;
6987 ar->dfs_detector = dfs_pattern_detector_init(&ar->ath_common,
6988 NL80211_DFS_UNSET);
6989
6990 if (!ar->dfs_detector)
7aa7a72a 6991 ath10k_warn(ar, "failed to initialise DFS pattern detector\n");
9702c686
JD		 6992 }
6993
5e3dd157
KV		 6994 ret = ath_regd_init(&ar->ath_common.regulatory, ar->hw->wiphy,
6995 ath10k_reg_notifier);
6996 if (ret) {
7aa7a72a 6997 ath10k_err(ar, "failed to initialise regulatory: %i\n", ret);
d6015b27 6998 goto err_free;
5e3dd157
KV		 6999 }
7000
3cb10943
JB		 7001 ar->hw->wiphy->cipher_suites = cipher_suites;
7002 ar->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
7003
5e3dd157
KV		 7004 ret = ieee80211_register_hw(ar->hw);
7005 if (ret) {
7aa7a72a 7006 ath10k_err(ar, "failed to register ieee80211: %d\n", ret);
d6015b27 7007 goto err_free;
5e3dd157
KV		 7008 }
7009
7010 if (!ath_is_world_regd(&ar->ath_common.regulatory)) {
7011 ret = regulatory_hint(ar->hw->wiphy,
7012 ar->ath_common.regulatory.alpha2);
7013 if (ret)
d6015b27 7014 goto err_unregister;
5e3dd157
KV		 7015 }
7016
7017 return 0;
d6015b27
MK		 7018
7019err_unregister:
5e3dd157 7020 ieee80211_unregister_hw(ar->hw);
d6015b27
MK		 7021err_free:
7022 kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels);
7023 kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels);
7024
5e3dd157
KV		 7025 return ret;
7026}
7027
7028void ath10k_mac_unregister(struct ath10k *ar)
7029{
7030 ieee80211_unregister_hw(ar->hw);
7031
9702c686
JD		 7032 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector)
7033 ar->dfs_detector->exit(ar->dfs_detector);
7034
5e3dd157
KV		 7035 kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels);
7036 kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels);
7037
7038 SET_IEEE80211_DEV(ar->hw, NULL);
7039}
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