1 // SPDX-License-Identifier: ISC
2 /* Copyright (C) 2019 MediaTek Inc.
3 *
4 * Author: Roy Luo <royluo@google.com>
5 * Ryder Lee <ryder.lee@mediatek.com>
6 * Felix Fietkau <nbd@nbd.name>
7 * Lorenzo Bianconi <lorenzo@kernel.org>
8 */
9
10 #include <linux/etherdevice.h>
11 #include <linux/module.h>
12 #include "mt7615.h"
13 #include "mcu.h"
14
mt7615_dev_running(struct mt7615_dev * dev)15 static bool mt7615_dev_running(struct mt7615_dev *dev)
16 {
17 struct mt7615_phy *phy;
18
19 if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
20 return true;
21
22 phy = mt7615_ext_phy(dev);
23
24 return phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state);
25 }
26
mt7615_start(struct ieee80211_hw * hw)27 static int mt7615_start(struct ieee80211_hw *hw)
28 {
29 struct mt7615_dev *dev = mt7615_hw_dev(hw);
30 struct mt7615_phy *phy = mt7615_hw_phy(hw);
31 unsigned long timeout;
32 bool running;
33 int ret;
34
35 if (!mt7615_wait_for_mcu_init(dev))
36 return -EIO;
37
38 mt7615_mutex_acquire(dev);
39
40 running = mt7615_dev_running(dev);
41
42 if (!running) {
43 ret = mt7615_mcu_set_pm(dev, 0, 0);
44 if (ret)
45 goto out;
46
47 ret = mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, true, false);
48 if (ret)
49 goto out;
50
51 mt7615_mac_enable_nf(dev, 0);
52 }
53
54 if (phy != &dev->phy) {
55 ret = mt7615_mcu_set_pm(dev, 1, 0);
56 if (ret)
57 goto out;
58
59 ret = mt76_connac_mcu_set_mac_enable(&dev->mt76, 1, true, false);
60 if (ret)
61 goto out;
62
63 mt7615_mac_enable_nf(dev, 1);
64 }
65
66 if (mt7615_firmware_offload(dev)) {
67 ret = mt76_connac_mcu_set_channel_domain(phy->mt76);
68 if (ret)
69 goto out;
70
71 ret = mt76_connac_mcu_set_rate_txpower(phy->mt76);
72 if (ret)
73 goto out;
74 }
75
76 ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH));
77 if (ret)
78 goto out;
79
80 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
81
82 timeout = mt7615_get_macwork_timeout(dev);
83 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, timeout);
84
85 if (!running)
86 mt7615_mac_reset_counters(dev);
87
88 out:
89 mt7615_mutex_release(dev);
90
91 return ret;
92 }
93
mt7615_stop(struct ieee80211_hw * hw)94 static void mt7615_stop(struct ieee80211_hw *hw)
95 {
96 struct mt7615_dev *dev = mt7615_hw_dev(hw);
97 struct mt7615_phy *phy = mt7615_hw_phy(hw);
98
99 cancel_delayed_work_sync(&phy->mt76->mac_work);
100 del_timer_sync(&phy->roc_timer);
101 cancel_work_sync(&phy->roc_work);
102
103 cancel_delayed_work_sync(&dev->pm.ps_work);
104 cancel_work_sync(&dev->pm.wake_work);
105
106 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
107
108 mt7615_mutex_acquire(dev);
109
110 mt76_testmode_reset(phy->mt76, true);
111
112 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
113 cancel_delayed_work_sync(&phy->scan_work);
114
115 if (phy != &dev->phy) {
116 mt7615_mcu_set_pm(dev, 1, 1);
117 mt76_connac_mcu_set_mac_enable(&dev->mt76, 1, false, false);
118 }
119
120 if (!mt7615_dev_running(dev)) {
121 mt7615_mcu_set_pm(dev, 0, 1);
122 mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false);
123 }
124
125 mt7615_mutex_release(dev);
126 }
127
get_free_idx(u32 mask,u8 start,u8 end)128 static inline int get_free_idx(u32 mask, u8 start, u8 end)
129 {
130 return ffs(~mask & GENMASK(end, start));
131 }
132
get_omac_idx(enum nl80211_iftype type,u64 mask)133 static int get_omac_idx(enum nl80211_iftype type, u64 mask)
134 {
135 int i;
136
137 switch (type) {
138 case NL80211_IFTYPE_STATION:
139 /* prefer hw bssid slot 1-3 */
140 i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3);
141 if (i)
142 return i - 1;
143
144 /* next, try to find a free repeater entry for the sta */
145 i = get_free_idx(mask >> REPEATER_BSSID_START, 0,
146 REPEATER_BSSID_MAX - REPEATER_BSSID_START);
147 if (i)
148 return i + 32 - 1;
149
150 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
151 if (i)
152 return i - 1;
153
154 if (~mask & BIT(HW_BSSID_0))
155 return HW_BSSID_0;
156
157 break;
158 case NL80211_IFTYPE_ADHOC:
159 case NL80211_IFTYPE_MESH_POINT:
160 case NL80211_IFTYPE_MONITOR:
161 case NL80211_IFTYPE_AP:
162 /* ap uses hw bssid 0 and ext bssid */
163 if (~mask & BIT(HW_BSSID_0))
164 return HW_BSSID_0;
165
166 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
167 if (i)
168 return i - 1;
169
170 break;
171 default:
172 WARN_ON(1);
173 break;
174 }
175
176 return -1;
177 }
178
mt7615_add_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)179 static int mt7615_add_interface(struct ieee80211_hw *hw,
180 struct ieee80211_vif *vif)
181 {
182 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
183 struct mt7615_dev *dev = mt7615_hw_dev(hw);
184 struct mt7615_phy *phy = mt7615_hw_phy(hw);
185 struct mt76_txq *mtxq;
186 bool ext_phy = phy != &dev->phy;
187 int idx, ret = 0;
188
189 mt7615_mutex_acquire(dev);
190
191 mt76_testmode_reset(phy->mt76, true);
192
193 if (vif->type == NL80211_IFTYPE_MONITOR &&
194 is_zero_ether_addr(vif->addr))
195 phy->monitor_vif = vif;
196
197 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask);
198 if (mvif->mt76.idx >= MT7615_MAX_INTERFACES) {
199 ret = -ENOSPC;
200 goto out;
201 }
202
203 idx = get_omac_idx(vif->type, dev->omac_mask);
204 if (idx < 0) {
205 ret = -ENOSPC;
206 goto out;
207 }
208 mvif->mt76.omac_idx = idx;
209
210 mvif->mt76.band_idx = ext_phy;
211 mvif->mt76.wmm_idx = vif->type != NL80211_IFTYPE_AP;
212 if (ext_phy)
213 mvif->mt76.wmm_idx += 2;
214
215 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx);
216 dev->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
217 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
218
219 ret = mt7615_mcu_set_dbdc(dev);
220 if (ret)
221 goto out;
222
223 idx = MT7615_WTBL_RESERVED - mvif->mt76.idx;
224
225 INIT_LIST_HEAD(&mvif->sta.poll_list);
226 mvif->sta.wcid.idx = idx;
227 mvif->sta.wcid.ext_phy = mvif->mt76.band_idx;
228 mvif->sta.wcid.hw_key_idx = -1;
229 mt76_packet_id_init(&mvif->sta.wcid);
230
231 mt7615_mac_wtbl_update(dev, idx,
232 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
233
234 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
235 if (vif->txq) {
236 mtxq = (struct mt76_txq *)vif->txq->drv_priv;
237 mtxq->wcid = idx;
238 }
239
240 ret = mt7615_mcu_add_dev_info(phy, vif, true);
241 out:
242 mt7615_mutex_release(dev);
243
244 return ret;
245 }
246
mt7615_remove_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)247 static void mt7615_remove_interface(struct ieee80211_hw *hw,
248 struct ieee80211_vif *vif)
249 {
250 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
251 struct mt7615_sta *msta = &mvif->sta;
252 struct mt7615_dev *dev = mt7615_hw_dev(hw);
253 struct mt7615_phy *phy = mt7615_hw_phy(hw);
254 int idx = msta->wcid.idx;
255
256 mt7615_mutex_acquire(dev);
257
258 mt7615_mcu_add_bss_info(phy, vif, NULL, false);
259 mt7615_mcu_sta_add(phy, vif, NULL, false);
260
261 mt76_testmode_reset(phy->mt76, true);
262 if (vif == phy->monitor_vif)
263 phy->monitor_vif = NULL;
264
265 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
266
267 mt7615_mcu_add_dev_info(phy, vif, false);
268
269 rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
270
271 dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx);
272 dev->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
273 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
274
275 mt7615_mutex_release(dev);
276
277 spin_lock_bh(&dev->sta_poll_lock);
278 if (!list_empty(&msta->poll_list))
279 list_del_init(&msta->poll_list);
280 spin_unlock_bh(&dev->sta_poll_lock);
281
282 mt76_packet_id_flush(&dev->mt76, &mvif->sta.wcid);
283 }
284
mt7615_set_channel(struct mt7615_phy * phy)285 int mt7615_set_channel(struct mt7615_phy *phy)
286 {
287 struct mt7615_dev *dev = phy->dev;
288 bool ext_phy = phy != &dev->phy;
289 int ret;
290
291 cancel_delayed_work_sync(&phy->mt76->mac_work);
292
293 mt7615_mutex_acquire(dev);
294
295 set_bit(MT76_RESET, &phy->mt76->state);
296
297 mt76_set_channel(phy->mt76);
298
299 if (is_mt7615(&dev->mt76) && dev->flash_eeprom) {
300 ret = mt7615_mcu_apply_rx_dcoc(phy);
301 if (ret)
302 goto out;
303
304 ret = mt7615_mcu_apply_tx_dpd(phy);
305 if (ret)
306 goto out;
307 }
308
309 ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH));
310 if (ret)
311 goto out;
312
313 mt7615_mac_set_timing(phy);
314 ret = mt7615_dfs_init_radar_detector(phy);
315 if (ret)
316 goto out;
317
318 mt7615_mac_cca_stats_reset(phy);
319 ret = mt7615_mcu_set_sku_en(phy, true);
320 if (ret)
321 goto out;
322
323 mt7615_mac_reset_counters(dev);
324 phy->noise = 0;
325 phy->chfreq = mt76_rr(dev, MT_CHFREQ(ext_phy));
326
327 out:
328 clear_bit(MT76_RESET, &phy->mt76->state);
329
330 mt7615_mutex_release(dev);
331
332 mt76_worker_schedule(&dev->mt76.tx_worker);
333 if (!mt76_testmode_enabled(phy->mt76)) {
334 unsigned long timeout = mt7615_get_macwork_timeout(dev);
335
336 ieee80211_queue_delayed_work(phy->mt76->hw,
337 &phy->mt76->mac_work, timeout);
338 }
339
340 return ret;
341 }
342
mt7615_set_key(struct ieee80211_hw * hw,enum set_key_cmd cmd,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct ieee80211_key_conf * key)343 static int mt7615_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
344 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
345 struct ieee80211_key_conf *key)
346 {
347 struct mt7615_dev *dev = mt7615_hw_dev(hw);
348 struct mt7615_phy *phy = mt7615_hw_phy(hw);
349 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
350 struct mt7615_sta *msta = sta ? (struct mt7615_sta *)sta->drv_priv :
351 &mvif->sta;
352 struct mt76_wcid *wcid = &msta->wcid;
353 int idx = key->keyidx, err = 0;
354 u8 *wcid_keyidx = &wcid->hw_key_idx;
355
356 /* The hardware does not support per-STA RX GTK, fallback
357 * to software mode for these.
358 */
359 if ((vif->type == NL80211_IFTYPE_ADHOC ||
360 vif->type == NL80211_IFTYPE_MESH_POINT) &&
361 (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
362 key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
363 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
364 return -EOPNOTSUPP;
365
366 /* fall back to sw encryption for unsupported ciphers */
367 switch (key->cipher) {
368 case WLAN_CIPHER_SUITE_AES_CMAC:
369 wcid_keyidx = &wcid->hw_key_idx2;
370 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
371 break;
372 case WLAN_CIPHER_SUITE_TKIP:
373 case WLAN_CIPHER_SUITE_CCMP:
374 case WLAN_CIPHER_SUITE_CCMP_256:
375 case WLAN_CIPHER_SUITE_GCMP:
376 case WLAN_CIPHER_SUITE_GCMP_256:
377 case WLAN_CIPHER_SUITE_SMS4:
378 break;
379 case WLAN_CIPHER_SUITE_WEP40:
380 case WLAN_CIPHER_SUITE_WEP104:
381 default:
382 return -EOPNOTSUPP;
383 }
384
385 mt7615_mutex_acquire(dev);
386
387 if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) {
388 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher);
389 mt7615_mcu_add_bss_info(phy, vif, NULL, true);
390 }
391
392 if (cmd == SET_KEY)
393 *wcid_keyidx = idx;
394 else if (idx == *wcid_keyidx)
395 *wcid_keyidx = -1;
396 else
397 goto out;
398
399 mt76_wcid_key_setup(&dev->mt76, wcid,
400 cmd == SET_KEY ? key : NULL);
401
402 if (mt76_is_mmio(&dev->mt76))
403 err = mt7615_mac_wtbl_set_key(dev, wcid, key, cmd);
404 else
405 err = __mt7615_mac_wtbl_set_key(dev, wcid, key, cmd);
406
407 out:
408 mt7615_mutex_release(dev);
409
410 return err;
411 }
412
mt7615_set_sar_specs(struct ieee80211_hw * hw,const struct cfg80211_sar_specs * sar)413 static int mt7615_set_sar_specs(struct ieee80211_hw *hw,
414 const struct cfg80211_sar_specs *sar)
415 {
416 struct mt7615_phy *phy = mt7615_hw_phy(hw);
417 int err;
418
419 if (!cfg80211_chandef_valid(&phy->mt76->chandef))
420 return -EINVAL;
421
422 err = mt76_init_sar_power(hw, sar);
423 if (err)
424 return err;
425
426 if (mt7615_firmware_offload(phy->dev))
427 return mt76_connac_mcu_set_rate_txpower(phy->mt76);
428
429 ieee80211_stop_queues(hw);
430 err = mt7615_set_channel(phy);
431 ieee80211_wake_queues(hw);
432
433 return err;
434 }
435
mt7615_config(struct ieee80211_hw * hw,u32 changed)436 static int mt7615_config(struct ieee80211_hw *hw, u32 changed)
437 {
438 struct mt7615_dev *dev = mt7615_hw_dev(hw);
439 struct mt7615_phy *phy = mt7615_hw_phy(hw);
440 bool band = phy != &dev->phy;
441 int ret = 0;
442
443 if (changed & (IEEE80211_CONF_CHANGE_CHANNEL |
444 IEEE80211_CONF_CHANGE_POWER)) {
445 #ifdef CONFIG_NL80211_TESTMODE
446 if (phy->mt76->test.state != MT76_TM_STATE_OFF) {
447 mt7615_mutex_acquire(dev);
448 mt76_testmode_reset(phy->mt76, false);
449 mt7615_mutex_release(dev);
450 }
451 #endif
452 ieee80211_stop_queues(hw);
453 ret = mt7615_set_channel(phy);
454 ieee80211_wake_queues(hw);
455 }
456
457 mt7615_mutex_acquire(dev);
458
459 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
460 mt76_testmode_reset(phy->mt76, true);
461
462 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
463 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
464 else
465 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
466
467 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
468 }
469
470 mt7615_mutex_release(dev);
471
472 return ret;
473 }
474
475 static int
mt7615_conf_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u16 queue,const struct ieee80211_tx_queue_params * params)476 mt7615_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
477 const struct ieee80211_tx_queue_params *params)
478 {
479 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
480 struct mt7615_dev *dev = mt7615_hw_dev(hw);
481 int err;
482
483 mt7615_mutex_acquire(dev);
484
485 queue = mt7615_lmac_mapping(dev, queue);
486 queue += mvif->wmm_idx * MT7615_MAX_WMM_SETS;
487 err = mt7615_mcu_set_wmm(dev, queue, params);
488
489 mt7615_mutex_release(dev);
490
491 return err;
492 }
493
mt7615_configure_filter(struct ieee80211_hw * hw,unsigned int changed_flags,unsigned int * total_flags,u64 multicast)494 static void mt7615_configure_filter(struct ieee80211_hw *hw,
495 unsigned int changed_flags,
496 unsigned int *total_flags,
497 u64 multicast)
498 {
499 struct mt7615_dev *dev = mt7615_hw_dev(hw);
500 struct mt7615_phy *phy = mt7615_hw_phy(hw);
501 bool band = phy != &dev->phy;
502
503 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
504 MT_WF_RFCR1_DROP_BF_POLL |
505 MT_WF_RFCR1_DROP_BA |
506 MT_WF_RFCR1_DROP_CFEND |
507 MT_WF_RFCR1_DROP_CFACK;
508 u32 flags = 0;
509
510 mt7615_mutex_acquire(dev);
511
512 #define MT76_FILTER(_flag, _hw) do { \
513 flags |= *total_flags & FIF_##_flag; \
514 phy->rxfilter &= ~(_hw); \
515 if (!mt76_testmode_enabled(phy->mt76)) \
516 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw);\
517 } while (0)
518
519 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
520 MT_WF_RFCR_DROP_FRAME_REPORT |
521 MT_WF_RFCR_DROP_PROBEREQ |
522 MT_WF_RFCR_DROP_MCAST_FILTERED |
523 MT_WF_RFCR_DROP_MCAST |
524 MT_WF_RFCR_DROP_BCAST |
525 MT_WF_RFCR_DROP_DUPLICATE |
526 MT_WF_RFCR_DROP_A2_BSSID |
527 MT_WF_RFCR_DROP_UNWANTED_CTL |
528 MT_WF_RFCR_DROP_STBC_MULTI);
529
530 if (phy->n_beacon_vif || !mt7615_firmware_offload(dev))
531 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_BEACON;
532
533 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
534 MT_WF_RFCR_DROP_A3_MAC |
535 MT_WF_RFCR_DROP_A3_BSSID);
536
537 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
538
539 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
540 MT_WF_RFCR_DROP_RTS |
541 MT_WF_RFCR_DROP_CTL_RSV |
542 MT_WF_RFCR_DROP_NDPA);
543
544 *total_flags = flags;
545 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
546
547 if (*total_flags & FIF_CONTROL)
548 mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags);
549 else
550 mt76_set(dev, MT_WF_RFCR1(band), ctl_flags);
551
552 mt7615_mutex_release(dev);
553 }
554
mt7615_bss_info_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info,u32 changed)555 static void mt7615_bss_info_changed(struct ieee80211_hw *hw,
556 struct ieee80211_vif *vif,
557 struct ieee80211_bss_conf *info,
558 u32 changed)
559 {
560 struct mt7615_dev *dev = mt7615_hw_dev(hw);
561 struct mt7615_phy *phy = mt7615_hw_phy(hw);
562
563 mt7615_mutex_acquire(dev);
564
565 if (changed & BSS_CHANGED_ERP_SLOT) {
566 int slottime = info->use_short_slot ? 9 : 20;
567
568 if (slottime != phy->slottime) {
569 phy->slottime = slottime;
570 mt7615_mac_set_timing(phy);
571 }
572 }
573
574 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) {
575 mt7615_mcu_add_bss_info(phy, vif, NULL, true);
576 mt7615_mcu_sta_add(phy, vif, NULL, true);
577
578 if (mt7615_firmware_offload(dev) && vif->p2p)
579 mt76_connac_mcu_set_p2p_oppps(hw, vif);
580 }
581
582 if (changed & (BSS_CHANGED_BEACON |
583 BSS_CHANGED_BEACON_ENABLED))
584 mt7615_mcu_add_beacon(dev, hw, vif, info->enable_beacon);
585
586 if (changed & BSS_CHANGED_PS)
587 mt76_connac_mcu_set_vif_ps(&dev->mt76, vif);
588
589 if ((changed & BSS_CHANGED_ARP_FILTER) &&
590 mt7615_firmware_offload(dev)) {
591 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
592
593 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76,
594 info);
595 }
596
597 if (changed & BSS_CHANGED_ASSOC)
598 mt7615_mac_set_beacon_filter(phy, vif, info->assoc);
599
600 mt7615_mutex_release(dev);
601 }
602
603 static void
mt7615_channel_switch_beacon(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_chan_def * chandef)604 mt7615_channel_switch_beacon(struct ieee80211_hw *hw,
605 struct ieee80211_vif *vif,
606 struct cfg80211_chan_def *chandef)
607 {
608 struct mt7615_dev *dev = mt7615_hw_dev(hw);
609
610 mt7615_mutex_acquire(dev);
611 mt7615_mcu_add_beacon(dev, hw, vif, true);
612 mt7615_mutex_release(dev);
613 }
614
mt7615_mac_sta_add(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)615 int mt7615_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
616 struct ieee80211_sta *sta)
617 {
618 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
619 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
620 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
621 struct mt7615_phy *phy;
622 int idx, err;
623
624 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1);
625 if (idx < 0)
626 return -ENOSPC;
627
628 INIT_LIST_HEAD(&msta->poll_list);
629 msta->vif = mvif;
630 msta->wcid.sta = 1;
631 msta->wcid.idx = idx;
632 msta->wcid.ext_phy = mvif->mt76.band_idx;
633
634 phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy;
635 err = mt76_connac_pm_wake(phy->mt76, &dev->pm);
636 if (err)
637 return err;
638
639 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
640 err = mt7615_mcu_add_bss_info(phy, vif, sta, true);
641 if (err)
642 return err;
643 }
644
645 mt7615_mac_wtbl_update(dev, idx,
646 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
647 err = mt7615_mcu_sta_add(&dev->phy, vif, sta, true);
648 if (err)
649 return err;
650
651 mt76_connac_power_save_sched(phy->mt76, &dev->pm);
652
653 return err;
654 }
655 EXPORT_SYMBOL_GPL(mt7615_mac_sta_add);
656
mt7615_mac_sta_remove(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)657 void mt7615_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
658 struct ieee80211_sta *sta)
659 {
660 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
661 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
662 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
663 struct mt7615_phy *phy;
664
665 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
666
667 phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy;
668 mt76_connac_pm_wake(phy->mt76, &dev->pm);
669
670 mt7615_mcu_sta_add(&dev->phy, vif, sta, false);
671 mt7615_mac_wtbl_update(dev, msta->wcid.idx,
672 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
673 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
674 mt7615_mcu_add_bss_info(phy, vif, sta, false);
675
676 spin_lock_bh(&dev->sta_poll_lock);
677 if (!list_empty(&msta->poll_list))
678 list_del_init(&msta->poll_list);
679 spin_unlock_bh(&dev->sta_poll_lock);
680
681 mt76_connac_power_save_sched(phy->mt76, &dev->pm);
682 }
683 EXPORT_SYMBOL_GPL(mt7615_mac_sta_remove);
684
mt7615_sta_rate_tbl_update(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)685 static void mt7615_sta_rate_tbl_update(struct ieee80211_hw *hw,
686 struct ieee80211_vif *vif,
687 struct ieee80211_sta *sta)
688 {
689 struct mt7615_dev *dev = mt7615_hw_dev(hw);
690 struct mt7615_phy *phy = mt7615_hw_phy(hw);
691 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
692 struct ieee80211_sta_rates *sta_rates = rcu_dereference(sta->rates);
693 int i;
694
695 if (!sta_rates)
696 return;
697
698 spin_lock_bh(&dev->mt76.lock);
699 for (i = 0; i < ARRAY_SIZE(msta->rates); i++) {
700 msta->rates[i].idx = sta_rates->rate[i].idx;
701 msta->rates[i].count = sta_rates->rate[i].count;
702 msta->rates[i].flags = sta_rates->rate[i].flags;
703
704 if (msta->rates[i].idx < 0 || !msta->rates[i].count)
705 break;
706 }
707 msta->n_rates = i;
708 if (mt76_connac_pm_ref(phy->mt76, &dev->pm)) {
709 mt7615_mac_set_rates(phy, msta, NULL, msta->rates);
710 mt76_connac_pm_unref(phy->mt76, &dev->pm);
711 }
712 spin_unlock_bh(&dev->mt76.lock);
713 }
714
mt7615_tx_worker(struct mt76_worker * w)715 void mt7615_tx_worker(struct mt76_worker *w)
716 {
717 struct mt7615_dev *dev = container_of(w, struct mt7615_dev,
718 mt76.tx_worker);
719
720 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) {
721 queue_work(dev->mt76.wq, &dev->pm.wake_work);
722 return;
723 }
724
725 mt76_tx_worker_run(&dev->mt76);
726 mt76_connac_pm_unref(&dev->mphy, &dev->pm);
727 }
728
mt7615_tx(struct ieee80211_hw * hw,struct ieee80211_tx_control * control,struct sk_buff * skb)729 static void mt7615_tx(struct ieee80211_hw *hw,
730 struct ieee80211_tx_control *control,
731 struct sk_buff *skb)
732 {
733 struct mt7615_dev *dev = mt7615_hw_dev(hw);
734 struct mt76_phy *mphy = hw->priv;
735 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
736 struct ieee80211_vif *vif = info->control.vif;
737 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
738 struct mt7615_sta *msta = NULL;
739 int qid;
740
741 if (control->sta) {
742 msta = (struct mt7615_sta *)control->sta->drv_priv;
743 wcid = &msta->wcid;
744 }
745
746 if (vif && !control->sta) {
747 struct mt7615_vif *mvif;
748
749 mvif = (struct mt7615_vif *)vif->drv_priv;
750 msta = &mvif->sta;
751 wcid = &msta->wcid;
752 }
753
754 if (mt76_connac_pm_ref(mphy, &dev->pm)) {
755 mt76_tx(mphy, control->sta, wcid, skb);
756 mt76_connac_pm_unref(mphy, &dev->pm);
757 return;
758 }
759
760 qid = skb_get_queue_mapping(skb);
761 if (qid >= MT_TXQ_PSD) {
762 qid = IEEE80211_AC_BE;
763 skb_set_queue_mapping(skb, qid);
764 }
765
766 mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb);
767 }
768
mt7615_set_rts_threshold(struct ieee80211_hw * hw,u32 val)769 static int mt7615_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
770 {
771 struct mt7615_dev *dev = mt7615_hw_dev(hw);
772 struct mt7615_phy *phy = mt7615_hw_phy(hw);
773 int err, band = phy != &dev->phy;
774
775 mt7615_mutex_acquire(dev);
776 err = mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, band);
777 mt7615_mutex_release(dev);
778
779 return err;
780 }
781
782 static int
mt7615_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)783 mt7615_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
784 struct ieee80211_ampdu_params *params)
785 {
786 enum ieee80211_ampdu_mlme_action action = params->action;
787 struct mt7615_dev *dev = mt7615_hw_dev(hw);
788 struct ieee80211_sta *sta = params->sta;
789 struct ieee80211_txq *txq = sta->txq[params->tid];
790 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
791 u16 tid = params->tid;
792 u16 ssn = params->ssn;
793 struct mt76_txq *mtxq;
794 int ret = 0;
795
796 if (!txq)
797 return -EINVAL;
798
799 mtxq = (struct mt76_txq *)txq->drv_priv;
800
801 mt7615_mutex_acquire(dev);
802
803 switch (action) {
804 case IEEE80211_AMPDU_RX_START:
805 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
806 params->buf_size);
807 ret = mt7615_mcu_add_rx_ba(dev, params, true);
808 break;
809 case IEEE80211_AMPDU_RX_STOP:
810 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
811 ret = mt7615_mcu_add_rx_ba(dev, params, false);
812 break;
813 case IEEE80211_AMPDU_TX_OPERATIONAL:
814 mtxq->aggr = true;
815 mtxq->send_bar = false;
816 ret = mt7615_mcu_add_tx_ba(dev, params, true);
817 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid);
818 ieee80211_send_bar(vif, sta->addr, tid,
819 IEEE80211_SN_TO_SEQ(ssn));
820 break;
821 case IEEE80211_AMPDU_TX_STOP_FLUSH:
822 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
823 mtxq->aggr = false;
824 ret = mt7615_mcu_add_tx_ba(dev, params, false);
825 break;
826 case IEEE80211_AMPDU_TX_START:
827 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid);
828 params->ssn = ssn;
829 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
830 break;
831 case IEEE80211_AMPDU_TX_STOP_CONT:
832 mtxq->aggr = false;
833 ret = mt7615_mcu_add_tx_ba(dev, params, false);
834 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
835 break;
836 }
837 mt7615_mutex_release(dev);
838
839 return ret;
840 }
841
842 static int
mt7615_sta_add(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)843 mt7615_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
844 struct ieee80211_sta *sta)
845 {
846 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST,
847 IEEE80211_STA_NONE);
848 }
849
850 static int
mt7615_sta_remove(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)851 mt7615_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
852 struct ieee80211_sta *sta)
853 {
854 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE,
855 IEEE80211_STA_NOTEXIST);
856 }
857
858 static int
mt7615_get_stats(struct ieee80211_hw * hw,struct ieee80211_low_level_stats * stats)859 mt7615_get_stats(struct ieee80211_hw *hw,
860 struct ieee80211_low_level_stats *stats)
861 {
862 struct mt7615_phy *phy = mt7615_hw_phy(hw);
863 struct mib_stats *mib = &phy->mib;
864
865 mt7615_mutex_acquire(phy->dev);
866
867 stats->dot11RTSSuccessCount = mib->rts_cnt;
868 stats->dot11RTSFailureCount = mib->rts_retries_cnt;
869 stats->dot11FCSErrorCount = mib->fcs_err_cnt;
870 stats->dot11ACKFailureCount = mib->ack_fail_cnt;
871
872 mt7615_mutex_release(phy->dev);
873
874 return 0;
875 }
876
877 static u64
mt7615_get_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif)878 mt7615_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
879 {
880 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
881 struct mt7615_dev *dev = mt7615_hw_dev(hw);
882 union {
883 u64 t64;
884 u32 t32[2];
885 } tsf;
886 u16 idx = mvif->mt76.omac_idx;
887 u32 reg;
888
889 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
890 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
891
892 mt7615_mutex_acquire(dev);
893
894 /* TSF read */
895 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_READ);
896 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0);
897 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1);
898
899 mt7615_mutex_release(dev);
900
901 return tsf.t64;
902 }
903
904 static void
mt7615_set_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u64 timestamp)905 mt7615_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
906 u64 timestamp)
907 {
908 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
909 struct mt7615_dev *dev = mt7615_hw_dev(hw);
910 union {
911 u64 t64;
912 u32 t32[2];
913 } tsf = { .t64 = timestamp, };
914 u16 idx = mvif->mt76.omac_idx;
915 u32 reg;
916
917 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
918 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
919
920 mt7615_mutex_acquire(dev);
921
922 mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]);
923 mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]);
924 /* TSF software overwrite */
925 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_WRITE);
926
927 mt7615_mutex_release(dev);
928 }
929
930 static void
mt7615_offset_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,s64 timestamp)931 mt7615_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
932 s64 timestamp)
933 {
934 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
935 struct mt7615_dev *dev = mt7615_hw_dev(hw);
936 union {
937 u64 t64;
938 u32 t32[2];
939 } tsf = { .t64 = timestamp, };
940 u16 idx = mvif->mt76.omac_idx;
941 u32 reg;
942
943 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
944 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
945
946 mt7615_mutex_acquire(dev);
947
948 mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]);
949 mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]);
950 /* TSF software adjust*/
951 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_ADJUST);
952
953 mt7615_mutex_release(dev);
954 }
955
956 static void
mt7615_set_coverage_class(struct ieee80211_hw * hw,s16 coverage_class)957 mt7615_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
958 {
959 struct mt7615_phy *phy = mt7615_hw_phy(hw);
960 struct mt7615_dev *dev = phy->dev;
961
962 mt7615_mutex_acquire(dev);
963 phy->coverage_class = max_t(s16, coverage_class, 0);
964 mt7615_mac_set_timing(phy);
965 mt7615_mutex_release(dev);
966 }
967
968 static int
mt7615_set_antenna(struct ieee80211_hw * hw,u32 tx_ant,u32 rx_ant)969 mt7615_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
970 {
971 struct mt7615_dev *dev = mt7615_hw_dev(hw);
972 struct mt7615_phy *phy = mt7615_hw_phy(hw);
973 int max_nss = hweight8(hw->wiphy->available_antennas_tx);
974 bool ext_phy = phy != &dev->phy;
975
976 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
977 return -EINVAL;
978
979 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
980 tx_ant = BIT(ffs(tx_ant) - 1) - 1;
981
982 mt7615_mutex_acquire(dev);
983
984 phy->mt76->antenna_mask = tx_ant;
985 if (ext_phy) {
986 if (dev->chainmask == 0xf)
987 tx_ant <<= 2;
988 else
989 tx_ant <<= 1;
990 }
991 phy->mt76->chainmask = tx_ant;
992
993 mt76_set_stream_caps(phy->mt76, true);
994
995 mt7615_mutex_release(dev);
996
997 return 0;
998 }
999
mt7615_roc_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)1000 static void mt7615_roc_iter(void *priv, u8 *mac,
1001 struct ieee80211_vif *vif)
1002 {
1003 struct mt7615_phy *phy = priv;
1004
1005 mt7615_mcu_set_roc(phy, vif, NULL, 0);
1006 }
1007
mt7615_roc_work(struct work_struct * work)1008 void mt7615_roc_work(struct work_struct *work)
1009 {
1010 struct mt7615_phy *phy;
1011
1012 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy,
1013 roc_work);
1014
1015 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
1016 return;
1017
1018 mt7615_mutex_acquire(phy->dev);
1019 ieee80211_iterate_active_interfaces(phy->mt76->hw,
1020 IEEE80211_IFACE_ITER_RESUME_ALL,
1021 mt7615_roc_iter, phy);
1022 mt7615_mutex_release(phy->dev);
1023 ieee80211_remain_on_channel_expired(phy->mt76->hw);
1024 }
1025
mt7615_roc_timer(struct timer_list * timer)1026 void mt7615_roc_timer(struct timer_list *timer)
1027 {
1028 struct mt7615_phy *phy = from_timer(phy, timer, roc_timer);
1029
1030 ieee80211_queue_work(phy->mt76->hw, &phy->roc_work);
1031 }
1032
mt7615_scan_work(struct work_struct * work)1033 void mt7615_scan_work(struct work_struct *work)
1034 {
1035 struct mt7615_phy *phy;
1036
1037 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy,
1038 scan_work.work);
1039
1040 while (true) {
1041 struct mt7615_mcu_rxd *rxd;
1042 struct sk_buff *skb;
1043
1044 spin_lock_bh(&phy->dev->mt76.lock);
1045 skb = __skb_dequeue(&phy->scan_event_list);
1046 spin_unlock_bh(&phy->dev->mt76.lock);
1047
1048 if (!skb)
1049 break;
1050
1051 rxd = (struct mt7615_mcu_rxd *)skb->data;
1052 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) {
1053 ieee80211_sched_scan_results(phy->mt76->hw);
1054 } else if (test_and_clear_bit(MT76_HW_SCANNING,
1055 &phy->mt76->state)) {
1056 struct cfg80211_scan_info info = {
1057 .aborted = false,
1058 };
1059
1060 ieee80211_scan_completed(phy->mt76->hw, &info);
1061 }
1062 dev_kfree_skb(skb);
1063 }
1064 }
1065
1066 static int
mt7615_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_scan_request * req)1067 mt7615_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1068 struct ieee80211_scan_request *req)
1069 {
1070 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1071 struct mt76_phy *mphy = hw->priv;
1072 int err;
1073
1074 /* fall-back to sw-scan */
1075 if (!mt7615_firmware_offload(dev))
1076 return 1;
1077
1078 mt7615_mutex_acquire(dev);
1079 err = mt76_connac_mcu_hw_scan(mphy, vif, req);
1080 mt7615_mutex_release(dev);
1081
1082 return err;
1083 }
1084
1085 static void
mt7615_cancel_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1086 mt7615_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1087 {
1088 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1089 struct mt76_phy *mphy = hw->priv;
1090
1091 mt7615_mutex_acquire(dev);
1092 mt76_connac_mcu_cancel_hw_scan(mphy, vif);
1093 mt7615_mutex_release(dev);
1094 }
1095
1096 static int
mt7615_start_sched_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_sched_scan_request * req,struct ieee80211_scan_ies * ies)1097 mt7615_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1098 struct cfg80211_sched_scan_request *req,
1099 struct ieee80211_scan_ies *ies)
1100 {
1101 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1102 struct mt76_phy *mphy = hw->priv;
1103 int err;
1104
1105 if (!mt7615_firmware_offload(dev))
1106 return -EOPNOTSUPP;
1107
1108 mt7615_mutex_acquire(dev);
1109
1110 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req);
1111 if (err < 0)
1112 goto out;
1113
1114 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true);
1115 out:
1116 mt7615_mutex_release(dev);
1117
1118 return err;
1119 }
1120
1121 static int
mt7615_stop_sched_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1122 mt7615_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1123 {
1124 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1125 struct mt76_phy *mphy = hw->priv;
1126 int err;
1127
1128 if (!mt7615_firmware_offload(dev))
1129 return -EOPNOTSUPP;
1130
1131 mt7615_mutex_acquire(dev);
1132 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false);
1133 mt7615_mutex_release(dev);
1134
1135 return err;
1136 }
1137
mt7615_remain_on_channel(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_channel * chan,int duration,enum ieee80211_roc_type type)1138 static int mt7615_remain_on_channel(struct ieee80211_hw *hw,
1139 struct ieee80211_vif *vif,
1140 struct ieee80211_channel *chan,
1141 int duration,
1142 enum ieee80211_roc_type type)
1143 {
1144 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1145 int err;
1146
1147 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))
1148 return 0;
1149
1150 mt7615_mutex_acquire(phy->dev);
1151
1152 err = mt7615_mcu_set_roc(phy, vif, chan, duration);
1153 if (err < 0) {
1154 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
1155 goto out;
1156 }
1157
1158 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) {
1159 mt7615_mcu_set_roc(phy, vif, NULL, 0);
1160 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
1161 err = -ETIMEDOUT;
1162 }
1163
1164 out:
1165 mt7615_mutex_release(phy->dev);
1166
1167 return err;
1168 }
1169
mt7615_cancel_remain_on_channel(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1170 static int mt7615_cancel_remain_on_channel(struct ieee80211_hw *hw,
1171 struct ieee80211_vif *vif)
1172 {
1173 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1174 int err;
1175
1176 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
1177 return 0;
1178
1179 del_timer_sync(&phy->roc_timer);
1180 cancel_work_sync(&phy->roc_work);
1181
1182 mt7615_mutex_acquire(phy->dev);
1183 err = mt7615_mcu_set_roc(phy, vif, NULL, 0);
1184 mt7615_mutex_release(phy->dev);
1185
1186 return err;
1187 }
1188
mt7615_sta_set_decap_offload(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enabled)1189 static void mt7615_sta_set_decap_offload(struct ieee80211_hw *hw,
1190 struct ieee80211_vif *vif,
1191 struct ieee80211_sta *sta,
1192 bool enabled)
1193 {
1194 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1195 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
1196
1197 if (enabled)
1198 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1199 else
1200 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1201
1202 mt7615_mcu_set_sta_decap_offload(dev, vif, sta);
1203 }
1204
1205 #ifdef CONFIG_PM
mt7615_suspend(struct ieee80211_hw * hw,struct cfg80211_wowlan * wowlan)1206 static int mt7615_suspend(struct ieee80211_hw *hw,
1207 struct cfg80211_wowlan *wowlan)
1208 {
1209 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1210 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1211 int err = 0;
1212
1213 cancel_delayed_work_sync(&dev->pm.ps_work);
1214 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
1215
1216 mt7615_mutex_acquire(dev);
1217
1218 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1219 cancel_delayed_work_sync(&phy->scan_work);
1220 cancel_delayed_work_sync(&phy->mt76->mac_work);
1221
1222 set_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
1223 ieee80211_iterate_active_interfaces(hw,
1224 IEEE80211_IFACE_ITER_RESUME_ALL,
1225 mt76_connac_mcu_set_suspend_iter,
1226 phy->mt76);
1227
1228 if (!mt7615_dev_running(dev))
1229 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, true);
1230
1231 mt7615_mutex_release(dev);
1232
1233 return err;
1234 }
1235
mt7615_resume(struct ieee80211_hw * hw)1236 static int mt7615_resume(struct ieee80211_hw *hw)
1237 {
1238 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1239 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1240 unsigned long timeout;
1241 bool running;
1242
1243 mt7615_mutex_acquire(dev);
1244
1245 running = mt7615_dev_running(dev);
1246 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1247
1248 if (!running) {
1249 int err;
1250
1251 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, false);
1252 if (err < 0) {
1253 mt7615_mutex_release(dev);
1254 return err;
1255 }
1256 }
1257
1258 clear_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
1259 ieee80211_iterate_active_interfaces(hw,
1260 IEEE80211_IFACE_ITER_RESUME_ALL,
1261 mt76_connac_mcu_set_suspend_iter,
1262 phy->mt76);
1263
1264 timeout = mt7615_get_macwork_timeout(dev);
1265 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, timeout);
1266
1267 mt7615_mutex_release(dev);
1268
1269 return 0;
1270 }
1271
mt7615_set_wakeup(struct ieee80211_hw * hw,bool enabled)1272 static void mt7615_set_wakeup(struct ieee80211_hw *hw, bool enabled)
1273 {
1274 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1275 struct mt76_dev *mdev = &dev->mt76;
1276
1277 device_set_wakeup_enable(mdev->dev, enabled);
1278 }
1279
mt7615_set_rekey_data(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_gtk_rekey_data * data)1280 static void mt7615_set_rekey_data(struct ieee80211_hw *hw,
1281 struct ieee80211_vif *vif,
1282 struct cfg80211_gtk_rekey_data *data)
1283 {
1284 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1285
1286 mt7615_mutex_acquire(dev);
1287 mt76_connac_mcu_update_gtk_rekey(hw, vif, data);
1288 mt7615_mutex_release(dev);
1289 }
1290 #endif /* CONFIG_PM */
1291
1292 const struct ieee80211_ops mt7615_ops = {
1293 .tx = mt7615_tx,
1294 .start = mt7615_start,
1295 .stop = mt7615_stop,
1296 .add_interface = mt7615_add_interface,
1297 .remove_interface = mt7615_remove_interface,
1298 .config = mt7615_config,
1299 .conf_tx = mt7615_conf_tx,
1300 .configure_filter = mt7615_configure_filter,
1301 .bss_info_changed = mt7615_bss_info_changed,
1302 .sta_add = mt7615_sta_add,
1303 .sta_remove = mt7615_sta_remove,
1304 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
1305 .set_key = mt7615_set_key,
1306 .sta_set_decap_offload = mt7615_sta_set_decap_offload,
1307 .ampdu_action = mt7615_ampdu_action,
1308 .set_rts_threshold = mt7615_set_rts_threshold,
1309 .wake_tx_queue = mt76_wake_tx_queue,
1310 .sta_rate_tbl_update = mt7615_sta_rate_tbl_update,
1311 .sw_scan_start = mt76_sw_scan,
1312 .sw_scan_complete = mt76_sw_scan_complete,
1313 .release_buffered_frames = mt76_release_buffered_frames,
1314 .get_txpower = mt76_get_txpower,
1315 .channel_switch_beacon = mt7615_channel_switch_beacon,
1316 .get_stats = mt7615_get_stats,
1317 .get_tsf = mt7615_get_tsf,
1318 .set_tsf = mt7615_set_tsf,
1319 .offset_tsf = mt7615_offset_tsf,
1320 .get_survey = mt76_get_survey,
1321 .get_antenna = mt76_get_antenna,
1322 .set_antenna = mt7615_set_antenna,
1323 .set_coverage_class = mt7615_set_coverage_class,
1324 .hw_scan = mt7615_hw_scan,
1325 .cancel_hw_scan = mt7615_cancel_hw_scan,
1326 .sched_scan_start = mt7615_start_sched_scan,
1327 .sched_scan_stop = mt7615_stop_sched_scan,
1328 .remain_on_channel = mt7615_remain_on_channel,
1329 .cancel_remain_on_channel = mt7615_cancel_remain_on_channel,
1330 CFG80211_TESTMODE_CMD(mt76_testmode_cmd)
1331 CFG80211_TESTMODE_DUMP(mt76_testmode_dump)
1332 #ifdef CONFIG_PM
1333 .suspend = mt7615_suspend,
1334 .resume = mt7615_resume,
1335 .set_wakeup = mt7615_set_wakeup,
1336 .set_rekey_data = mt7615_set_rekey_data,
1337 #endif /* CONFIG_PM */
1338 .set_sar_specs = mt7615_set_sar_specs,
1339 };
1340 EXPORT_SYMBOL_GPL(mt7615_ops);
1341
1342 MODULE_LICENSE("Dual BSD/GPL");
1343