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(phy);
87
88 out:
89 mt7615_mutex_release(dev);
90
91 return ret;
92 }
93
mt7615_stop(struct ieee80211_hw * hw,bool suspend)94 static void mt7615_stop(struct ieee80211_hw *hw, bool suspend)
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 timer_delete_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 mvif->mt76.wcid = &mvif->sta.wcid;
213 if (ext_phy)
214 mvif->mt76.wmm_idx += 2;
215
216 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx);
217 dev->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
218 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
219
220 ret = mt7615_mcu_set_dbdc(dev);
221 if (ret)
222 goto out;
223
224 idx = MT7615_WTBL_RESERVED - mvif->mt76.idx;
225
226 INIT_LIST_HEAD(&mvif->sta.wcid.poll_list);
227 mvif->sta.wcid.idx = idx;
228 mt76_wcid_init(&mvif->sta.wcid, mvif->mt76.band_idx);
229
230 mt7615_mac_wtbl_update(dev, idx,
231 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
232
233 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
234 if (vif->txq) {
235 mtxq = (struct mt76_txq *)vif->txq->drv_priv;
236 mtxq->wcid = idx;
237 }
238
239 ret = mt7615_mcu_add_dev_info(phy, vif, true);
240 out:
241 mt7615_mutex_release(dev);
242
243 return ret;
244 }
245
mt7615_remove_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)246 static void mt7615_remove_interface(struct ieee80211_hw *hw,
247 struct ieee80211_vif *vif)
248 {
249 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
250 struct mt7615_sta *msta = &mvif->sta;
251 struct mt7615_dev *dev = mt7615_hw_dev(hw);
252 struct mt7615_phy *phy = mt7615_hw_phy(hw);
253 int idx = msta->wcid.idx;
254
255 mt7615_mutex_acquire(dev);
256
257 mt7615_mcu_add_bss_info(phy, vif, NULL, false);
258 mt7615_mcu_sta_add(phy, vif, NULL, false);
259
260 mt76_testmode_reset(phy->mt76, true);
261 if (vif == phy->monitor_vif)
262 phy->monitor_vif = NULL;
263
264 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
265
266 mt7615_mcu_add_dev_info(phy, vif, false);
267
268 rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
269
270 dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx);
271 dev->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
272 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
273
274 mt7615_mutex_release(dev);
275
276 spin_lock_bh(&dev->mt76.sta_poll_lock);
277 if (!list_empty(&msta->wcid.poll_list))
278 list_del_init(&msta->wcid.poll_list);
279 spin_unlock_bh(&dev->mt76.sta_poll_lock);
280
281 mt76_wcid_cleanup(&dev->mt76, &mvif->sta.wcid);
282 }
283
mt7615_set_channel(struct mt76_phy * mphy)284 int mt7615_set_channel(struct mt76_phy *mphy)
285 {
286 struct mt7615_phy *phy = mphy->priv;
287 struct mt7615_dev *dev = phy->dev;
288 bool ext_phy = phy != &dev->phy;
289 int ret;
290
291 mt76_connac_pm_wake(mphy, &dev->pm);
292
293 if (is_mt7615(&dev->mt76) && dev->flash_eeprom) {
294 ret = mt7615_mcu_apply_rx_dcoc(phy);
295 if (ret)
296 goto out;
297
298 ret = mt7615_mcu_apply_tx_dpd(phy);
299 if (ret)
300 goto out;
301 }
302
303 ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH));
304 if (ret)
305 goto out;
306
307 mt7615_mac_set_timing(phy);
308 ret = mt7615_dfs_init_radar_detector(phy);
309 if (ret)
310 goto out;
311
312 mt7615_mac_cca_stats_reset(phy);
313 ret = mt7615_mcu_set_sku_en(phy, true);
314 if (ret)
315 goto out;
316
317 mt7615_mac_reset_counters(phy);
318 phy->noise = 0;
319 phy->chfreq = mt76_rr(dev, MT_CHFREQ(ext_phy));
320
321 out:
322 mt76_connac_power_save_sched(mphy, &dev->pm);
323
324 if (!mt76_testmode_enabled(phy->mt76)) {
325 unsigned long timeout = mt7615_get_macwork_timeout(dev);
326
327 ieee80211_queue_delayed_work(phy->mt76->hw,
328 &phy->mt76->mac_work, timeout);
329 }
330
331 return ret;
332 }
333 EXPORT_SYMBOL_GPL(mt7615_set_channel);
334
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)335 static int mt7615_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
336 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
337 struct ieee80211_key_conf *key)
338 {
339 struct mt7615_dev *dev = mt7615_hw_dev(hw);
340 struct mt7615_phy *phy = mt7615_hw_phy(hw);
341 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
342 struct mt7615_sta *msta = sta ? (struct mt7615_sta *)sta->drv_priv :
343 &mvif->sta;
344 struct mt76_wcid *wcid = &msta->wcid;
345 int idx = key->keyidx, err = 0;
346 u8 *wcid_keyidx = &wcid->hw_key_idx;
347
348 /* The hardware does not support per-STA RX GTK, fallback
349 * to software mode for these.
350 */
351 if ((vif->type == NL80211_IFTYPE_ADHOC ||
352 vif->type == NL80211_IFTYPE_MESH_POINT) &&
353 (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
354 key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
355 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
356 return -EOPNOTSUPP;
357
358 /* fall back to sw encryption for unsupported ciphers */
359 switch (key->cipher) {
360 case WLAN_CIPHER_SUITE_AES_CMAC:
361 wcid_keyidx = &wcid->hw_key_idx2;
362 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
363 break;
364 case WLAN_CIPHER_SUITE_TKIP:
365 case WLAN_CIPHER_SUITE_CCMP:
366 case WLAN_CIPHER_SUITE_CCMP_256:
367 case WLAN_CIPHER_SUITE_GCMP:
368 case WLAN_CIPHER_SUITE_GCMP_256:
369 case WLAN_CIPHER_SUITE_SMS4:
370 break;
371 case WLAN_CIPHER_SUITE_WEP40:
372 case WLAN_CIPHER_SUITE_WEP104:
373 default:
374 return -EOPNOTSUPP;
375 }
376
377 mt7615_mutex_acquire(dev);
378
379 if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) {
380 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher);
381 mt7615_mcu_add_bss_info(phy, vif, NULL, true);
382 }
383
384 if (cmd == SET_KEY)
385 *wcid_keyidx = idx;
386 else {
387 if (idx == *wcid_keyidx)
388 *wcid_keyidx = -1;
389 goto out;
390 }
391
392 mt76_wcid_key_setup(&dev->mt76, wcid, key);
393 if (mt76_is_mmio(&dev->mt76))
394 err = mt7615_mac_wtbl_set_key(dev, wcid, key);
395 else
396 err = __mt7615_mac_wtbl_set_key(dev, wcid, key);
397
398 out:
399 mt7615_mutex_release(dev);
400
401 return err;
402 }
403
mt7615_set_sar_specs(struct ieee80211_hw * hw,const struct cfg80211_sar_specs * sar)404 static int mt7615_set_sar_specs(struct ieee80211_hw *hw,
405 const struct cfg80211_sar_specs *sar)
406 {
407 struct mt7615_phy *phy = mt7615_hw_phy(hw);
408 int err;
409
410 if (!cfg80211_chandef_valid(&phy->mt76->chandef))
411 return -EINVAL;
412
413 err = mt76_init_sar_power(hw, sar);
414 if (err)
415 return err;
416
417 if (mt7615_firmware_offload(phy->dev))
418 return mt76_connac_mcu_set_rate_txpower(phy->mt76);
419
420 return mt76_update_channel(phy->mt76);
421 }
422
mt7615_config(struct ieee80211_hw * hw,int radio_idx,u32 changed)423 static int mt7615_config(struct ieee80211_hw *hw, int radio_idx, u32 changed)
424 {
425 struct mt7615_dev *dev = mt7615_hw_dev(hw);
426 struct mt7615_phy *phy = mt7615_hw_phy(hw);
427 bool band = phy != &dev->phy;
428 int ret = 0;
429
430 if (changed & (IEEE80211_CONF_CHANGE_CHANNEL |
431 IEEE80211_CONF_CHANGE_POWER)) {
432 #ifdef CONFIG_NL80211_TESTMODE
433 if (phy->mt76->test.state != MT76_TM_STATE_OFF) {
434 mt7615_mutex_acquire(dev);
435 mt76_testmode_reset(phy->mt76, false);
436 mt7615_mutex_release(dev);
437 }
438 #endif
439 ret = mt76_update_channel(phy->mt76);
440 }
441
442 mt7615_mutex_acquire(dev);
443
444 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
445 mt76_testmode_reset(phy->mt76, true);
446
447 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
448 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
449 else
450 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
451
452 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
453 }
454
455 mt7615_mutex_release(dev);
456
457 return ret;
458 }
459
460 static int
mt7615_conf_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,unsigned int link_id,u16 queue,const struct ieee80211_tx_queue_params * params)461 mt7615_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
462 unsigned int link_id, u16 queue,
463 const struct ieee80211_tx_queue_params *params)
464 {
465 struct mt76_vif_link *mvif = (struct mt76_vif_link *)vif->drv_priv;
466 struct mt7615_dev *dev = mt7615_hw_dev(hw);
467 int err;
468
469 mt7615_mutex_acquire(dev);
470
471 queue = mt7615_lmac_mapping(dev, queue);
472 queue += mvif->wmm_idx * MT7615_MAX_WMM_SETS;
473 err = mt7615_mcu_set_wmm(dev, queue, params);
474
475 mt7615_mutex_release(dev);
476
477 return err;
478 }
479
mt7615_configure_filter(struct ieee80211_hw * hw,unsigned int changed_flags,unsigned int * total_flags,u64 multicast)480 static void mt7615_configure_filter(struct ieee80211_hw *hw,
481 unsigned int changed_flags,
482 unsigned int *total_flags,
483 u64 multicast)
484 {
485 struct mt7615_dev *dev = mt7615_hw_dev(hw);
486 struct mt7615_phy *phy = mt7615_hw_phy(hw);
487 bool band = phy != &dev->phy;
488
489 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
490 MT_WF_RFCR1_DROP_BF_POLL |
491 MT_WF_RFCR1_DROP_BA |
492 MT_WF_RFCR1_DROP_CFEND |
493 MT_WF_RFCR1_DROP_CFACK;
494 u32 flags = 0;
495
496 mt7615_mutex_acquire(dev);
497
498 #define MT76_FILTER(_flag, _hw) do { \
499 flags |= *total_flags & FIF_##_flag; \
500 phy->rxfilter &= ~(_hw); \
501 if (!mt76_testmode_enabled(phy->mt76)) \
502 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw);\
503 } while (0)
504
505 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
506 MT_WF_RFCR_DROP_FRAME_REPORT |
507 MT_WF_RFCR_DROP_PROBEREQ |
508 MT_WF_RFCR_DROP_MCAST_FILTERED |
509 MT_WF_RFCR_DROP_MCAST |
510 MT_WF_RFCR_DROP_BCAST |
511 MT_WF_RFCR_DROP_DUPLICATE |
512 MT_WF_RFCR_DROP_A2_BSSID |
513 MT_WF_RFCR_DROP_UNWANTED_CTL |
514 MT_WF_RFCR_DROP_STBC_MULTI);
515
516 if (phy->n_beacon_vif || !mt7615_firmware_offload(dev))
517 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_BEACON;
518
519 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
520 MT_WF_RFCR_DROP_A3_MAC |
521 MT_WF_RFCR_DROP_A3_BSSID);
522
523 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
524
525 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
526 MT_WF_RFCR_DROP_RTS |
527 MT_WF_RFCR_DROP_CTL_RSV |
528 MT_WF_RFCR_DROP_NDPA);
529
530 *total_flags = flags;
531 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
532
533 if (*total_flags & FIF_CONTROL)
534 mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags);
535 else
536 mt76_set(dev, MT_WF_RFCR1(band), ctl_flags);
537
538 mt7615_mutex_release(dev);
539 }
540
541 static void
mt7615_update_mu_group(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info)542 mt7615_update_mu_group(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
543 struct ieee80211_bss_conf *info)
544 {
545 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
546 struct mt7615_dev *dev = mt7615_hw_dev(hw);
547 u8 i, band = mvif->mt76.band_idx;
548 u32 *mu;
549
550 mu = (u32 *)info->mu_group.membership;
551 for (i = 0; i < WLAN_MEMBERSHIP_LEN / sizeof(*mu); i++) {
552 if (is_mt7663(&dev->mt76))
553 mt76_wr(dev, MT7663_WF_PHY_GID_TAB_VLD(band, i), mu[i]);
554 else
555 mt76_wr(dev, MT_WF_PHY_GID_TAB_VLD(band, i), mu[i]);
556 }
557
558 mu = (u32 *)info->mu_group.position;
559 for (i = 0; i < WLAN_USER_POSITION_LEN / sizeof(*mu); i++) {
560 if (is_mt7663(&dev->mt76))
561 mt76_wr(dev, MT7663_WF_PHY_GID_TAB_POS(band, i), mu[i]);
562 else
563 mt76_wr(dev, MT_WF_PHY_GID_TAB_POS(band, i), mu[i]);
564 }
565 }
566
mt7615_bss_info_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info,u64 changed)567 static void mt7615_bss_info_changed(struct ieee80211_hw *hw,
568 struct ieee80211_vif *vif,
569 struct ieee80211_bss_conf *info,
570 u64 changed)
571 {
572 struct mt7615_dev *dev = mt7615_hw_dev(hw);
573 struct mt7615_phy *phy = mt7615_hw_phy(hw);
574
575 mt7615_mutex_acquire(dev);
576
577 if (changed & BSS_CHANGED_ERP_SLOT) {
578 int slottime = info->use_short_slot ? 9 : 20;
579
580 if (slottime != phy->slottime) {
581 phy->slottime = slottime;
582 mt7615_mac_set_timing(phy);
583 }
584 }
585
586 if (changed & BSS_CHANGED_ERP_CTS_PROT)
587 mt7615_mac_enable_rtscts(dev, vif, info->use_cts_prot);
588
589 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) {
590 mt7615_mcu_add_bss_info(phy, vif, NULL, true);
591 mt7615_mcu_sta_add(phy, vif, NULL, true);
592
593 if (mt7615_firmware_offload(dev) && vif->p2p)
594 mt76_connac_mcu_set_p2p_oppps(hw, vif);
595 }
596
597 if (changed & (BSS_CHANGED_BEACON |
598 BSS_CHANGED_BEACON_ENABLED))
599 mt7615_mcu_add_beacon(dev, hw, vif, info->enable_beacon);
600
601 if (changed & BSS_CHANGED_PS)
602 mt76_connac_mcu_set_vif_ps(&dev->mt76, vif);
603
604 if ((changed & BSS_CHANGED_ARP_FILTER) &&
605 mt7615_firmware_offload(dev)) {
606 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
607
608 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76,
609 info);
610 }
611
612 if (changed & BSS_CHANGED_ASSOC)
613 mt7615_mac_set_beacon_filter(phy, vif, vif->cfg.assoc);
614
615 if (changed & BSS_CHANGED_MU_GROUPS)
616 mt7615_update_mu_group(hw, vif, info);
617
618 mt7615_mutex_release(dev);
619 }
620
621 static void
mt7615_channel_switch_beacon(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_chan_def * chandef)622 mt7615_channel_switch_beacon(struct ieee80211_hw *hw,
623 struct ieee80211_vif *vif,
624 struct cfg80211_chan_def *chandef)
625 {
626 struct mt7615_dev *dev = mt7615_hw_dev(hw);
627
628 mt7615_mutex_acquire(dev);
629 mt7615_mcu_add_beacon(dev, hw, vif, true);
630 mt7615_mutex_release(dev);
631 }
632
mt7615_mac_sta_add(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)633 int mt7615_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
634 struct ieee80211_sta *sta)
635 {
636 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
637 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
638 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
639 struct mt7615_phy *phy;
640 int idx, err;
641
642 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1);
643 if (idx < 0)
644 return -ENOSPC;
645
646 INIT_LIST_HEAD(&msta->wcid.poll_list);
647 msta->vif = mvif;
648 msta->wcid.sta = 1;
649 msta->wcid.idx = idx;
650 msta->wcid.phy_idx = mvif->mt76.band_idx;
651
652 phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy;
653 err = mt76_connac_pm_wake(phy->mt76, &dev->pm);
654 if (err)
655 return err;
656
657 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
658 err = mt7615_mcu_add_bss_info(phy, vif, sta, true);
659 if (err)
660 return err;
661 }
662
663 mt7615_mac_wtbl_update(dev, idx,
664 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
665 err = mt7615_mcu_sta_add(&dev->phy, vif, sta, true);
666 if (err)
667 return err;
668
669 mt76_connac_power_save_sched(phy->mt76, &dev->pm);
670
671 return err;
672 }
673 EXPORT_SYMBOL_GPL(mt7615_mac_sta_add);
674
mt7615_mac_sta_remove(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)675 void mt7615_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
676 struct ieee80211_sta *sta)
677 {
678 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
679 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
680 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
681 struct mt7615_phy *phy;
682
683 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
684
685 phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy;
686 mt76_connac_pm_wake(phy->mt76, &dev->pm);
687
688 mt7615_mcu_sta_add(&dev->phy, vif, sta, false);
689 mt7615_mac_wtbl_update(dev, msta->wcid.idx,
690 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
691 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
692 mt7615_mcu_add_bss_info(phy, vif, sta, false);
693
694 spin_lock_bh(&mdev->sta_poll_lock);
695 if (!list_empty(&msta->wcid.poll_list))
696 list_del_init(&msta->wcid.poll_list);
697 spin_unlock_bh(&mdev->sta_poll_lock);
698
699 mt76_connac_power_save_sched(phy->mt76, &dev->pm);
700 }
701 EXPORT_SYMBOL_GPL(mt7615_mac_sta_remove);
702
mt7615_sta_rate_tbl_update(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)703 static void mt7615_sta_rate_tbl_update(struct ieee80211_hw *hw,
704 struct ieee80211_vif *vif,
705 struct ieee80211_sta *sta)
706 {
707 struct mt7615_dev *dev = mt7615_hw_dev(hw);
708 struct mt7615_phy *phy = mt7615_hw_phy(hw);
709 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
710 struct ieee80211_sta_rates *sta_rates = rcu_dereference(sta->rates);
711 int i;
712
713 if (!sta_rates)
714 return;
715
716 spin_lock_bh(&dev->mt76.lock);
717 for (i = 0; i < ARRAY_SIZE(msta->rates); i++) {
718 msta->rates[i].idx = sta_rates->rate[i].idx;
719 msta->rates[i].count = sta_rates->rate[i].count;
720 msta->rates[i].flags = sta_rates->rate[i].flags;
721
722 if (msta->rates[i].idx < 0 || !msta->rates[i].count)
723 break;
724 }
725 msta->n_rates = i;
726 if (mt76_connac_pm_ref(phy->mt76, &dev->pm)) {
727 mt7615_mac_set_rates(phy, msta, NULL, msta->rates);
728 mt76_connac_pm_unref(phy->mt76, &dev->pm);
729 }
730 spin_unlock_bh(&dev->mt76.lock);
731 }
732
mt7615_tx_worker(struct mt76_worker * w)733 void mt7615_tx_worker(struct mt76_worker *w)
734 {
735 struct mt7615_dev *dev = container_of(w, struct mt7615_dev,
736 mt76.tx_worker);
737
738 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) {
739 queue_work(dev->mt76.wq, &dev->pm.wake_work);
740 return;
741 }
742
743 mt76_tx_worker_run(&dev->mt76);
744 mt76_connac_pm_unref(&dev->mphy, &dev->pm);
745 }
746
mt7615_tx(struct ieee80211_hw * hw,struct ieee80211_tx_control * control,struct sk_buff * skb)747 static void mt7615_tx(struct ieee80211_hw *hw,
748 struct ieee80211_tx_control *control,
749 struct sk_buff *skb)
750 {
751 struct mt7615_dev *dev = mt7615_hw_dev(hw);
752 struct mt76_phy *mphy = hw->priv;
753 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
754 struct ieee80211_vif *vif = info->control.vif;
755 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
756 struct mt7615_sta *msta = NULL;
757 int qid;
758
759 if (control->sta) {
760 msta = (struct mt7615_sta *)control->sta->drv_priv;
761 wcid = &msta->wcid;
762 }
763
764 if (vif && !control->sta) {
765 struct mt7615_vif *mvif;
766
767 mvif = (struct mt7615_vif *)vif->drv_priv;
768 msta = &mvif->sta;
769 wcid = &msta->wcid;
770 }
771
772 if (mt76_connac_pm_ref(mphy, &dev->pm)) {
773 mt76_tx(mphy, control->sta, wcid, skb);
774 mt76_connac_pm_unref(mphy, &dev->pm);
775 return;
776 }
777
778 qid = skb_get_queue_mapping(skb);
779 if (qid >= MT_TXQ_PSD) {
780 qid = IEEE80211_AC_BE;
781 skb_set_queue_mapping(skb, qid);
782 }
783
784 mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb);
785 }
786
mt7615_set_rts_threshold(struct ieee80211_hw * hw,int radio_idx,u32 val)787 static int mt7615_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx,
788 u32 val)
789 {
790 struct mt7615_dev *dev = mt7615_hw_dev(hw);
791 struct mt7615_phy *phy = mt7615_hw_phy(hw);
792 int err, band = phy != &dev->phy;
793
794 mt7615_mutex_acquire(dev);
795 err = mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, band);
796 mt7615_mutex_release(dev);
797
798 return err;
799 }
800
801 static int
mt7615_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)802 mt7615_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
803 struct ieee80211_ampdu_params *params)
804 {
805 enum ieee80211_ampdu_mlme_action action = params->action;
806 struct mt7615_dev *dev = mt7615_hw_dev(hw);
807 struct ieee80211_sta *sta = params->sta;
808 struct ieee80211_txq *txq = sta->txq[params->tid];
809 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
810 u16 tid = params->tid;
811 u16 ssn = params->ssn;
812 struct mt76_txq *mtxq;
813 int ret = 0;
814
815 if (!txq)
816 return -EINVAL;
817
818 mtxq = (struct mt76_txq *)txq->drv_priv;
819
820 mt7615_mutex_acquire(dev);
821
822 switch (action) {
823 case IEEE80211_AMPDU_RX_START:
824 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
825 params->buf_size);
826 ret = mt7615_mcu_add_rx_ba(dev, params, true);
827 break;
828 case IEEE80211_AMPDU_RX_STOP:
829 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
830 ret = mt7615_mcu_add_rx_ba(dev, params, false);
831 break;
832 case IEEE80211_AMPDU_TX_OPERATIONAL:
833 mtxq->aggr = true;
834 mtxq->send_bar = false;
835 ret = mt7615_mcu_add_tx_ba(dev, params, true);
836 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid);
837 ieee80211_send_bar(vif, sta->addr, tid,
838 IEEE80211_SN_TO_SEQ(ssn));
839 break;
840 case IEEE80211_AMPDU_TX_STOP_FLUSH:
841 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
842 mtxq->aggr = false;
843 ret = mt7615_mcu_add_tx_ba(dev, params, false);
844 break;
845 case IEEE80211_AMPDU_TX_START:
846 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid);
847 params->ssn = ssn;
848 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
849 break;
850 case IEEE80211_AMPDU_TX_STOP_CONT:
851 mtxq->aggr = false;
852 ret = mt7615_mcu_add_tx_ba(dev, params, false);
853 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
854 break;
855 }
856 mt7615_mutex_release(dev);
857
858 return ret;
859 }
860
861 static int
mt7615_sta_add(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)862 mt7615_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
863 struct ieee80211_sta *sta)
864 {
865 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST,
866 IEEE80211_STA_NONE);
867 }
868
869 static int
mt7615_sta_remove(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)870 mt7615_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
871 struct ieee80211_sta *sta)
872 {
873 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE,
874 IEEE80211_STA_NOTEXIST);
875 }
876
877 static int
mt7615_get_stats(struct ieee80211_hw * hw,struct ieee80211_low_level_stats * stats)878 mt7615_get_stats(struct ieee80211_hw *hw,
879 struct ieee80211_low_level_stats *stats)
880 {
881 struct mt7615_phy *phy = mt7615_hw_phy(hw);
882 struct mib_stats *mib = &phy->mib;
883
884 mt7615_mutex_acquire(phy->dev);
885
886 stats->dot11RTSSuccessCount = mib->rts_cnt;
887 stats->dot11RTSFailureCount = mib->rts_retries_cnt;
888 stats->dot11FCSErrorCount = mib->fcs_err_cnt;
889 stats->dot11ACKFailureCount = mib->ack_fail_cnt;
890
891 mt7615_mutex_release(phy->dev);
892
893 return 0;
894 }
895
896 static u64
mt7615_get_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif)897 mt7615_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
898 {
899 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
900 struct mt7615_dev *dev = mt7615_hw_dev(hw);
901 union {
902 u64 t64;
903 u32 t32[2];
904 } tsf;
905 u16 idx = mvif->mt76.omac_idx;
906 u32 reg;
907
908 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
909 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
910
911 mt7615_mutex_acquire(dev);
912
913 /* TSF read */
914 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_READ);
915 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0);
916 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1);
917
918 mt7615_mutex_release(dev);
919
920 return tsf.t64;
921 }
922
923 static void
mt7615_set_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u64 timestamp)924 mt7615_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
925 u64 timestamp)
926 {
927 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
928 struct mt7615_dev *dev = mt7615_hw_dev(hw);
929 union {
930 u64 t64;
931 u32 t32[2];
932 } tsf = { .t64 = timestamp, };
933 u16 idx = mvif->mt76.omac_idx;
934 u32 reg;
935
936 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
937 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
938
939 mt7615_mutex_acquire(dev);
940
941 mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]);
942 mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]);
943 /* TSF software overwrite */
944 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_WRITE);
945
946 mt7615_mutex_release(dev);
947 }
948
949 static void
mt7615_offset_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,s64 timestamp)950 mt7615_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
951 s64 timestamp)
952 {
953 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
954 struct mt7615_dev *dev = mt7615_hw_dev(hw);
955 union {
956 u64 t64;
957 u32 t32[2];
958 } tsf = { .t64 = timestamp, };
959 u16 idx = mvif->mt76.omac_idx;
960 u32 reg;
961
962 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
963 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
964
965 mt7615_mutex_acquire(dev);
966
967 mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]);
968 mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]);
969 /* TSF software adjust*/
970 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_ADJUST);
971
972 mt7615_mutex_release(dev);
973 }
974
975 static void
mt7615_set_coverage_class(struct ieee80211_hw * hw,int radio_idx,s16 coverage_class)976 mt7615_set_coverage_class(struct ieee80211_hw *hw, int radio_idx,
977 s16 coverage_class)
978 {
979 struct mt7615_phy *phy = mt7615_hw_phy(hw);
980 struct mt7615_dev *dev = phy->dev;
981
982 mt7615_mutex_acquire(dev);
983 phy->coverage_class = max_t(s16, coverage_class, 0);
984 mt7615_mac_set_timing(phy);
985 mt7615_mutex_release(dev);
986 }
987
988 static int
mt7615_set_antenna(struct ieee80211_hw * hw,int radio_idx,u32 tx_ant,u32 rx_ant)989 mt7615_set_antenna(struct ieee80211_hw *hw, int radio_idx,
990 u32 tx_ant, u32 rx_ant)
991 {
992 struct mt7615_dev *dev = mt7615_hw_dev(hw);
993 struct mt7615_phy *phy = mt7615_hw_phy(hw);
994 int max_nss = hweight8(hw->wiphy->available_antennas_tx);
995 bool ext_phy = phy != &dev->phy;
996
997 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
998 return -EINVAL;
999
1000 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
1001 tx_ant = BIT(ffs(tx_ant) - 1) - 1;
1002
1003 mt7615_mutex_acquire(dev);
1004
1005 phy->mt76->antenna_mask = tx_ant;
1006 if (ext_phy) {
1007 if (dev->chainmask == 0xf)
1008 tx_ant <<= 2;
1009 else
1010 tx_ant <<= 1;
1011 }
1012 phy->mt76->chainmask = tx_ant;
1013
1014 mt76_set_stream_caps(phy->mt76, true);
1015
1016 mt7615_mutex_release(dev);
1017
1018 return 0;
1019 }
1020
mt7615_roc_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)1021 static void mt7615_roc_iter(void *priv, u8 *mac,
1022 struct ieee80211_vif *vif)
1023 {
1024 struct mt7615_phy *phy = priv;
1025
1026 mt7615_mcu_set_roc(phy, vif, NULL, 0);
1027 }
1028
mt7615_roc_work(struct work_struct * work)1029 void mt7615_roc_work(struct work_struct *work)
1030 {
1031 struct mt7615_phy *phy;
1032
1033 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy,
1034 roc_work);
1035
1036 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
1037 return;
1038
1039 mt7615_mutex_acquire(phy->dev);
1040 ieee80211_iterate_active_interfaces(phy->mt76->hw,
1041 IEEE80211_IFACE_ITER_RESUME_ALL,
1042 mt7615_roc_iter, phy);
1043 mt7615_mutex_release(phy->dev);
1044 ieee80211_remain_on_channel_expired(phy->mt76->hw);
1045 }
1046
mt7615_roc_timer(struct timer_list * timer)1047 void mt7615_roc_timer(struct timer_list *timer)
1048 {
1049 struct mt7615_phy *phy = timer_container_of(phy, timer, roc_timer);
1050
1051 ieee80211_queue_work(phy->mt76->hw, &phy->roc_work);
1052 }
1053
mt7615_scan_work(struct work_struct * work)1054 void mt7615_scan_work(struct work_struct *work)
1055 {
1056 struct mt7615_phy *phy;
1057
1058 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy,
1059 scan_work.work);
1060
1061 while (true) {
1062 struct mt7615_mcu_rxd *rxd;
1063 struct sk_buff *skb;
1064
1065 spin_lock_bh(&phy->dev->mt76.lock);
1066 skb = __skb_dequeue(&phy->scan_event_list);
1067 spin_unlock_bh(&phy->dev->mt76.lock);
1068
1069 if (!skb)
1070 break;
1071
1072 rxd = (struct mt7615_mcu_rxd *)skb->data;
1073 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) {
1074 ieee80211_sched_scan_results(phy->mt76->hw);
1075 } else if (test_and_clear_bit(MT76_HW_SCANNING,
1076 &phy->mt76->state)) {
1077 struct cfg80211_scan_info info = {
1078 .aborted = false,
1079 };
1080
1081 ieee80211_scan_completed(phy->mt76->hw, &info);
1082 }
1083 dev_kfree_skb(skb);
1084 }
1085 }
1086
1087 static int
mt7615_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_scan_request * req)1088 mt7615_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1089 struct ieee80211_scan_request *req)
1090 {
1091 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1092 struct mt76_phy *mphy = hw->priv;
1093 int err;
1094
1095 /* fall-back to sw-scan */
1096 if (!mt7615_firmware_offload(dev))
1097 return 1;
1098
1099 mt7615_mutex_acquire(dev);
1100 err = mt76_connac_mcu_hw_scan(mphy, vif, req);
1101 mt7615_mutex_release(dev);
1102
1103 return err;
1104 }
1105
1106 static void
mt7615_cancel_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1107 mt7615_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1108 {
1109 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1110 struct mt76_phy *mphy = hw->priv;
1111
1112 mt7615_mutex_acquire(dev);
1113 mt76_connac_mcu_cancel_hw_scan(mphy, vif);
1114 mt7615_mutex_release(dev);
1115 }
1116
1117 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)1118 mt7615_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1119 struct cfg80211_sched_scan_request *req,
1120 struct ieee80211_scan_ies *ies)
1121 {
1122 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1123 struct mt76_phy *mphy = hw->priv;
1124 int err;
1125
1126 if (!mt7615_firmware_offload(dev))
1127 return -EOPNOTSUPP;
1128
1129 mt7615_mutex_acquire(dev);
1130
1131 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req);
1132 if (err < 0)
1133 goto out;
1134
1135 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true);
1136 out:
1137 mt7615_mutex_release(dev);
1138
1139 return err;
1140 }
1141
1142 static int
mt7615_stop_sched_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1143 mt7615_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1144 {
1145 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1146 struct mt76_phy *mphy = hw->priv;
1147 int err;
1148
1149 if (!mt7615_firmware_offload(dev))
1150 return -EOPNOTSUPP;
1151
1152 mt7615_mutex_acquire(dev);
1153 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false);
1154 mt7615_mutex_release(dev);
1155
1156 return err;
1157 }
1158
mt7615_remain_on_channel(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_channel * chan,int duration,enum ieee80211_roc_type type)1159 static int mt7615_remain_on_channel(struct ieee80211_hw *hw,
1160 struct ieee80211_vif *vif,
1161 struct ieee80211_channel *chan,
1162 int duration,
1163 enum ieee80211_roc_type type)
1164 {
1165 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1166 int err;
1167
1168 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))
1169 return 0;
1170
1171 mt7615_mutex_acquire(phy->dev);
1172
1173 err = mt7615_mcu_set_roc(phy, vif, chan, duration);
1174 if (err < 0) {
1175 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
1176 goto out;
1177 }
1178
1179 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) {
1180 mt7615_mcu_set_roc(phy, vif, NULL, 0);
1181 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
1182 err = -ETIMEDOUT;
1183 }
1184
1185 out:
1186 mt7615_mutex_release(phy->dev);
1187
1188 return err;
1189 }
1190
mt7615_cancel_remain_on_channel(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1191 static int mt7615_cancel_remain_on_channel(struct ieee80211_hw *hw,
1192 struct ieee80211_vif *vif)
1193 {
1194 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1195 int err;
1196
1197 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
1198 return 0;
1199
1200 timer_delete_sync(&phy->roc_timer);
1201 cancel_work_sync(&phy->roc_work);
1202
1203 mt7615_mutex_acquire(phy->dev);
1204 err = mt7615_mcu_set_roc(phy, vif, NULL, 0);
1205 mt7615_mutex_release(phy->dev);
1206
1207 return err;
1208 }
1209
mt7615_sta_set_decap_offload(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enabled)1210 static void mt7615_sta_set_decap_offload(struct ieee80211_hw *hw,
1211 struct ieee80211_vif *vif,
1212 struct ieee80211_sta *sta,
1213 bool enabled)
1214 {
1215 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1216 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
1217
1218 mt7615_mutex_acquire(dev);
1219
1220 if (enabled)
1221 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1222 else
1223 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1224
1225 mt7615_mcu_set_sta_decap_offload(dev, vif, sta);
1226
1227 mt7615_mutex_release(dev);
1228 }
1229
1230 #ifdef CONFIG_PM
mt7615_suspend(struct ieee80211_hw * hw,struct cfg80211_wowlan * wowlan)1231 static int mt7615_suspend(struct ieee80211_hw *hw,
1232 struct cfg80211_wowlan *wowlan)
1233 {
1234 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1235 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1236 int err = 0;
1237
1238 cancel_delayed_work_sync(&dev->pm.ps_work);
1239 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
1240
1241 mt7615_mutex_acquire(dev);
1242
1243 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1244 cancel_delayed_work_sync(&phy->scan_work);
1245 cancel_delayed_work_sync(&phy->mt76->mac_work);
1246
1247 set_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
1248 ieee80211_iterate_active_interfaces(hw,
1249 IEEE80211_IFACE_ITER_RESUME_ALL,
1250 mt76_connac_mcu_set_suspend_iter,
1251 phy->mt76);
1252
1253 if (!mt7615_dev_running(dev))
1254 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, true, true);
1255
1256 mt7615_mutex_release(dev);
1257
1258 return err;
1259 }
1260
mt7615_resume(struct ieee80211_hw * hw)1261 static int mt7615_resume(struct ieee80211_hw *hw)
1262 {
1263 struct mt7615_phy *phy = mt7615_hw_phy(hw);
1264 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1265 unsigned long timeout;
1266 bool running;
1267
1268 mt7615_mutex_acquire(dev);
1269
1270 running = mt7615_dev_running(dev);
1271 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1272
1273 if (!running) {
1274 int err;
1275
1276 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, false, true);
1277 if (err < 0) {
1278 mt7615_mutex_release(dev);
1279 return err;
1280 }
1281 }
1282
1283 clear_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
1284 ieee80211_iterate_active_interfaces(hw,
1285 IEEE80211_IFACE_ITER_RESUME_ALL,
1286 mt76_connac_mcu_set_suspend_iter,
1287 phy->mt76);
1288
1289 timeout = mt7615_get_macwork_timeout(dev);
1290 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, timeout);
1291
1292 mt7615_mutex_release(dev);
1293
1294 return 0;
1295 }
1296
mt7615_set_wakeup(struct ieee80211_hw * hw,bool enabled)1297 static void mt7615_set_wakeup(struct ieee80211_hw *hw, bool enabled)
1298 {
1299 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1300 struct mt76_dev *mdev = &dev->mt76;
1301
1302 device_set_wakeup_enable(mdev->dev, enabled);
1303 }
1304
mt7615_set_rekey_data(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_gtk_rekey_data * data)1305 static void mt7615_set_rekey_data(struct ieee80211_hw *hw,
1306 struct ieee80211_vif *vif,
1307 struct cfg80211_gtk_rekey_data *data)
1308 {
1309 struct mt7615_dev *dev = mt7615_hw_dev(hw);
1310
1311 mt7615_mutex_acquire(dev);
1312 mt76_connac_mcu_update_gtk_rekey(hw, vif, data);
1313 mt7615_mutex_release(dev);
1314 }
1315 #endif /* CONFIG_PM */
1316
1317 const struct ieee80211_ops mt7615_ops = {
1318 .add_chanctx = ieee80211_emulate_add_chanctx,
1319 .remove_chanctx = ieee80211_emulate_remove_chanctx,
1320 .change_chanctx = ieee80211_emulate_change_chanctx,
1321 .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,
1322 .tx = mt7615_tx,
1323 .start = mt7615_start,
1324 .stop = mt7615_stop,
1325 .add_interface = mt7615_add_interface,
1326 .remove_interface = mt7615_remove_interface,
1327 .config = mt7615_config,
1328 .conf_tx = mt7615_conf_tx,
1329 .configure_filter = mt7615_configure_filter,
1330 .bss_info_changed = mt7615_bss_info_changed,
1331 .sta_add = mt7615_sta_add,
1332 .sta_remove = mt7615_sta_remove,
1333 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
1334 .set_key = mt7615_set_key,
1335 .sta_set_decap_offload = mt7615_sta_set_decap_offload,
1336 .ampdu_action = mt7615_ampdu_action,
1337 .set_rts_threshold = mt7615_set_rts_threshold,
1338 .wake_tx_queue = mt76_wake_tx_queue,
1339 .sta_rate_tbl_update = mt7615_sta_rate_tbl_update,
1340 .sw_scan_start = mt76_sw_scan,
1341 .sw_scan_complete = mt76_sw_scan_complete,
1342 .release_buffered_frames = mt76_release_buffered_frames,
1343 .get_txpower = mt76_get_txpower,
1344 .channel_switch_beacon = mt7615_channel_switch_beacon,
1345 .get_stats = mt7615_get_stats,
1346 .get_tsf = mt7615_get_tsf,
1347 .set_tsf = mt7615_set_tsf,
1348 .offset_tsf = mt7615_offset_tsf,
1349 .get_survey = mt76_get_survey,
1350 .get_antenna = mt76_get_antenna,
1351 .set_antenna = mt7615_set_antenna,
1352 .set_coverage_class = mt7615_set_coverage_class,
1353 .hw_scan = mt7615_hw_scan,
1354 .cancel_hw_scan = mt7615_cancel_hw_scan,
1355 .sched_scan_start = mt7615_start_sched_scan,
1356 .sched_scan_stop = mt7615_stop_sched_scan,
1357 .remain_on_channel = mt7615_remain_on_channel,
1358 .cancel_remain_on_channel = mt7615_cancel_remain_on_channel,
1359 CFG80211_TESTMODE_CMD(mt76_testmode_cmd)
1360 CFG80211_TESTMODE_DUMP(mt76_testmode_dump)
1361 #ifdef CONFIG_PM
1362 .suspend = mt7615_suspend,
1363 .resume = mt7615_resume,
1364 .set_wakeup = mt7615_set_wakeup,
1365 .set_rekey_data = mt7615_set_rekey_data,
1366 #endif /* CONFIG_PM */
1367 .set_sar_specs = mt7615_set_sar_specs,
1368 };
1369 EXPORT_SYMBOL_GPL(mt7615_ops);
1370
1371 MODULE_DESCRIPTION("MediaTek MT7615E and MT7663E wireless driver");
1372 MODULE_LICENSE("Dual BSD/GPL");
1373