1 // SPDX-License-Identifier: ISC
2 /* Copyright (C) 2020 MediaTek Inc. */
3
4 #include <linux/etherdevice.h>
5 #include <linux/platform_device.h>
6 #include <linux/pci.h>
7 #include <linux/module.h>
8 #include "mt7915.h"
9 #include "mcu.h"
10
mt7915_dev_running(struct mt7915_dev * dev)11 static bool mt7915_dev_running(struct mt7915_dev *dev)
12 {
13 struct mt7915_phy *phy;
14
15 if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
16 return true;
17
18 phy = mt7915_ext_phy(dev);
19
20 return phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state);
21 }
22
mt7915_run(struct ieee80211_hw * hw)23 int mt7915_run(struct ieee80211_hw *hw)
24 {
25 struct mt7915_dev *dev = mt7915_hw_dev(hw);
26 struct mt7915_phy *phy = mt7915_hw_phy(hw);
27 bool running;
28 int ret;
29
30 running = mt7915_dev_running(dev);
31
32 if (!running) {
33 ret = mt76_connac_mcu_set_pm(&dev->mt76,
34 dev->phy.mt76->band_idx, 0);
35 if (ret)
36 goto out;
37
38 ret = mt7915_mcu_set_mac(dev, dev->phy.mt76->band_idx,
39 true, true);
40 if (ret)
41 goto out;
42
43 mt7915_mac_enable_nf(dev, dev->phy.mt76->band_idx);
44 }
45
46 if (phy != &dev->phy) {
47 ret = mt76_connac_mcu_set_pm(&dev->mt76,
48 phy->mt76->band_idx, 0);
49 if (ret)
50 goto out;
51
52 ret = mt7915_mcu_set_mac(dev, phy->mt76->band_idx,
53 true, true);
54 if (ret)
55 goto out;
56
57 mt7915_mac_enable_nf(dev, phy->mt76->band_idx);
58 }
59
60 ret = mt7915_mcu_set_thermal_throttling(phy,
61 MT7915_THERMAL_THROTTLE_MAX);
62
63 if (ret)
64 goto out;
65
66 ret = mt7915_mcu_set_thermal_protect(phy);
67
68 if (ret)
69 goto out;
70
71 ret = mt76_connac_mcu_set_rts_thresh(&dev->mt76, 0x92b,
72 phy->mt76->band_idx);
73 if (ret)
74 goto out;
75
76 ret = mt7915_mcu_set_sku_en(phy, true);
77 if (ret)
78 goto out;
79
80 ret = mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH));
81 if (ret)
82 goto out;
83
84 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
85
86 if (!mt76_testmode_enabled(phy->mt76))
87 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
88 MT7915_WATCHDOG_TIME);
89
90 if (!running)
91 mt7915_mac_reset_counters(phy);
92
93 out:
94 return ret;
95 }
96
mt7915_start(struct ieee80211_hw * hw)97 static int mt7915_start(struct ieee80211_hw *hw)
98 {
99 struct mt7915_dev *dev = mt7915_hw_dev(hw);
100 int ret;
101
102 flush_work(&dev->init_work);
103
104 mutex_lock(&dev->mt76.mutex);
105 ret = mt7915_run(hw);
106 mutex_unlock(&dev->mt76.mutex);
107
108 return ret;
109 }
110
mt7915_stop(struct ieee80211_hw * hw)111 static void mt7915_stop(struct ieee80211_hw *hw)
112 {
113 struct mt7915_dev *dev = mt7915_hw_dev(hw);
114 struct mt7915_phy *phy = mt7915_hw_phy(hw);
115
116 cancel_delayed_work_sync(&phy->mt76->mac_work);
117
118 mutex_lock(&dev->mt76.mutex);
119
120 mt76_testmode_reset(phy->mt76, true);
121
122 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
123
124 if (phy != &dev->phy) {
125 mt76_connac_mcu_set_pm(&dev->mt76, phy->mt76->band_idx, 1);
126 mt7915_mcu_set_mac(dev, phy->mt76->band_idx, false, false);
127 }
128
129 if (!mt7915_dev_running(dev)) {
130 mt76_connac_mcu_set_pm(&dev->mt76, dev->phy.mt76->band_idx, 1);
131 mt7915_mcu_set_mac(dev, dev->phy.mt76->band_idx, false, false);
132 }
133
134 mutex_unlock(&dev->mt76.mutex);
135 }
136
get_free_idx(u32 mask,u8 start,u8 end)137 static inline int get_free_idx(u32 mask, u8 start, u8 end)
138 {
139 return ffs(~mask & GENMASK(end, start));
140 }
141
get_omac_idx(enum nl80211_iftype type,u64 mask)142 static int get_omac_idx(enum nl80211_iftype type, u64 mask)
143 {
144 int i;
145
146 switch (type) {
147 case NL80211_IFTYPE_MESH_POINT:
148 case NL80211_IFTYPE_ADHOC:
149 case NL80211_IFTYPE_STATION:
150 /* prefer hw bssid slot 1-3 */
151 i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3);
152 if (i)
153 return i - 1;
154
155 if (type != NL80211_IFTYPE_STATION)
156 break;
157
158 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
159 if (i)
160 return i - 1;
161
162 if (~mask & BIT(HW_BSSID_0))
163 return HW_BSSID_0;
164
165 break;
166 case NL80211_IFTYPE_MONITOR:
167 case NL80211_IFTYPE_AP:
168 /* ap uses hw bssid 0 and ext bssid */
169 if (~mask & BIT(HW_BSSID_0))
170 return HW_BSSID_0;
171
172 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
173 if (i)
174 return i - 1;
175
176 break;
177 default:
178 WARN_ON(1);
179 break;
180 }
181
182 return -1;
183 }
184
mt7915_init_bitrate_mask(struct ieee80211_vif * vif)185 static void mt7915_init_bitrate_mask(struct ieee80211_vif *vif)
186 {
187 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
188 int i;
189
190 for (i = 0; i < ARRAY_SIZE(mvif->bitrate_mask.control); i++) {
191 mvif->bitrate_mask.control[i].gi = NL80211_TXRATE_DEFAULT_GI;
192 mvif->bitrate_mask.control[i].he_gi = 0xff;
193 mvif->bitrate_mask.control[i].he_ltf = 0xff;
194 mvif->bitrate_mask.control[i].legacy = GENMASK(31, 0);
195 memset(mvif->bitrate_mask.control[i].ht_mcs, 0xff,
196 sizeof(mvif->bitrate_mask.control[i].ht_mcs));
197 memset(mvif->bitrate_mask.control[i].vht_mcs, 0xff,
198 sizeof(mvif->bitrate_mask.control[i].vht_mcs));
199 memset(mvif->bitrate_mask.control[i].he_mcs, 0xff,
200 sizeof(mvif->bitrate_mask.control[i].he_mcs));
201 }
202 }
203
mt7915_add_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)204 static int mt7915_add_interface(struct ieee80211_hw *hw,
205 struct ieee80211_vif *vif)
206 {
207 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
208 struct mt7915_dev *dev = mt7915_hw_dev(hw);
209 struct mt7915_phy *phy = mt7915_hw_phy(hw);
210 struct mt76_txq *mtxq;
211 bool ext_phy = phy != &dev->phy;
212 int idx, ret = 0;
213
214 mutex_lock(&dev->mt76.mutex);
215
216 mt76_testmode_reset(phy->mt76, true);
217
218 if (vif->type == NL80211_IFTYPE_MONITOR &&
219 is_zero_ether_addr(vif->addr))
220 phy->monitor_vif = vif;
221
222 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask);
223 if (mvif->mt76.idx >= (MT7915_MAX_INTERFACES << dev->dbdc_support)) {
224 ret = -ENOSPC;
225 goto out;
226 }
227
228 idx = get_omac_idx(vif->type, phy->omac_mask);
229 if (idx < 0) {
230 ret = -ENOSPC;
231 goto out;
232 }
233 mvif->mt76.omac_idx = idx;
234 mvif->phy = phy;
235 mvif->mt76.band_idx = phy->mt76->band_idx;
236
237 mvif->mt76.wmm_idx = vif->type != NL80211_IFTYPE_AP;
238 if (ext_phy)
239 mvif->mt76.wmm_idx += 2;
240
241 ret = mt7915_mcu_add_dev_info(phy, vif, true);
242 if (ret)
243 goto out;
244
245 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx);
246 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
247
248 idx = MT7915_WTBL_RESERVED - mvif->mt76.idx;
249
250 INIT_LIST_HEAD(&mvif->sta.rc_list);
251 INIT_LIST_HEAD(&mvif->sta.wcid.poll_list);
252 mvif->sta.wcid.idx = idx;
253 mvif->sta.wcid.phy_idx = ext_phy;
254 mvif->sta.wcid.hw_key_idx = -1;
255 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET;
256 mt76_wcid_init(&mvif->sta.wcid);
257
258 mt7915_mac_wtbl_update(dev, idx,
259 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
260
261 if (vif->txq) {
262 mtxq = (struct mt76_txq *)vif->txq->drv_priv;
263 mtxq->wcid = idx;
264 }
265
266 if (vif->type != NL80211_IFTYPE_AP &&
267 (!mvif->mt76.omac_idx || mvif->mt76.omac_idx > 3))
268 vif->offload_flags = 0;
269 vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR;
270
271 mt7915_init_bitrate_mask(vif);
272 memset(&mvif->cap, -1, sizeof(mvif->cap));
273
274 mt7915_mcu_add_bss_info(phy, vif, true);
275 mt7915_mcu_add_sta(dev, vif, NULL, true);
276 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
277
278 out:
279 mutex_unlock(&dev->mt76.mutex);
280
281 return ret;
282 }
283
mt7915_remove_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)284 static void mt7915_remove_interface(struct ieee80211_hw *hw,
285 struct ieee80211_vif *vif)
286 {
287 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
288 struct mt7915_sta *msta = &mvif->sta;
289 struct mt7915_dev *dev = mt7915_hw_dev(hw);
290 struct mt7915_phy *phy = mt7915_hw_phy(hw);
291 int idx = msta->wcid.idx;
292
293 mt7915_mcu_add_bss_info(phy, vif, false);
294 mt7915_mcu_add_sta(dev, vif, NULL, false);
295
296 mutex_lock(&dev->mt76.mutex);
297 mt76_testmode_reset(phy->mt76, true);
298 mutex_unlock(&dev->mt76.mutex);
299
300 if (vif == phy->monitor_vif)
301 phy->monitor_vif = NULL;
302
303 mt7915_mcu_add_dev_info(phy, vif, false);
304
305 rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
306
307 mutex_lock(&dev->mt76.mutex);
308 dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx);
309 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
310 mutex_unlock(&dev->mt76.mutex);
311
312 spin_lock_bh(&dev->mt76.sta_poll_lock);
313 if (!list_empty(&msta->wcid.poll_list))
314 list_del_init(&msta->wcid.poll_list);
315 spin_unlock_bh(&dev->mt76.sta_poll_lock);
316
317 mt76_wcid_cleanup(&dev->mt76, &msta->wcid);
318 }
319
mt7915_set_channel(struct mt7915_phy * phy)320 int mt7915_set_channel(struct mt7915_phy *phy)
321 {
322 struct mt7915_dev *dev = phy->dev;
323 int ret;
324
325 cancel_delayed_work_sync(&phy->mt76->mac_work);
326
327 mutex_lock(&dev->mt76.mutex);
328 set_bit(MT76_RESET, &phy->mt76->state);
329
330 mt76_set_channel(phy->mt76);
331
332 if (dev->cal) {
333 ret = mt7915_mcu_apply_tx_dpd(phy);
334 if (ret)
335 goto out;
336 }
337
338 ret = mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH));
339 if (ret)
340 goto out;
341
342 mt7915_mac_set_timing(phy);
343 ret = mt7915_dfs_init_radar_detector(phy);
344 mt7915_mac_cca_stats_reset(phy);
345
346 mt7915_mac_reset_counters(phy);
347 phy->noise = 0;
348
349 out:
350 clear_bit(MT76_RESET, &phy->mt76->state);
351 mutex_unlock(&dev->mt76.mutex);
352
353 mt76_txq_schedule_all(phy->mt76);
354
355 if (!mt76_testmode_enabled(phy->mt76))
356 ieee80211_queue_delayed_work(phy->mt76->hw,
357 &phy->mt76->mac_work,
358 MT7915_WATCHDOG_TIME);
359
360 return ret;
361 }
362
mt7915_set_key(struct ieee80211_hw * hw,enum set_key_cmd cmd,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct ieee80211_key_conf * key)363 static int mt7915_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
364 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
365 struct ieee80211_key_conf *key)
366 {
367 struct mt7915_dev *dev = mt7915_hw_dev(hw);
368 struct mt7915_phy *phy = mt7915_hw_phy(hw);
369 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
370 struct mt7915_sta *msta = sta ? (struct mt7915_sta *)sta->drv_priv :
371 &mvif->sta;
372 struct mt76_wcid *wcid = &msta->wcid;
373 u8 *wcid_keyidx = &wcid->hw_key_idx;
374 int idx = key->keyidx;
375 int err = 0;
376
377 /* The hardware does not support per-STA RX GTK, fallback
378 * to software mode for these.
379 */
380 if ((vif->type == NL80211_IFTYPE_ADHOC ||
381 vif->type == NL80211_IFTYPE_MESH_POINT) &&
382 (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
383 key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
384 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
385 return -EOPNOTSUPP;
386
387 /* fall back to sw encryption for unsupported ciphers */
388 switch (key->cipher) {
389 case WLAN_CIPHER_SUITE_AES_CMAC:
390 wcid_keyidx = &wcid->hw_key_idx2;
391 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
392 break;
393 case WLAN_CIPHER_SUITE_TKIP:
394 case WLAN_CIPHER_SUITE_CCMP:
395 case WLAN_CIPHER_SUITE_CCMP_256:
396 case WLAN_CIPHER_SUITE_GCMP:
397 case WLAN_CIPHER_SUITE_GCMP_256:
398 case WLAN_CIPHER_SUITE_SMS4:
399 break;
400 case WLAN_CIPHER_SUITE_WEP40:
401 case WLAN_CIPHER_SUITE_WEP104:
402 default:
403 return -EOPNOTSUPP;
404 }
405
406 mutex_lock(&dev->mt76.mutex);
407
408 if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) {
409 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher);
410 mt7915_mcu_add_bss_info(phy, vif, true);
411 }
412
413 if (cmd == SET_KEY) {
414 *wcid_keyidx = idx;
415 } else {
416 if (idx == *wcid_keyidx)
417 *wcid_keyidx = -1;
418 goto out;
419 }
420
421 mt76_wcid_key_setup(&dev->mt76, wcid, key);
422 err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->bip,
423 key, MCU_EXT_CMD(STA_REC_UPDATE),
424 &msta->wcid, cmd);
425 out:
426 mutex_unlock(&dev->mt76.mutex);
427
428 return err;
429 }
430
mt7915_set_sar_specs(struct ieee80211_hw * hw,const struct cfg80211_sar_specs * sar)431 static int mt7915_set_sar_specs(struct ieee80211_hw *hw,
432 const struct cfg80211_sar_specs *sar)
433 {
434 struct mt7915_phy *phy = mt7915_hw_phy(hw);
435 struct mt7915_dev *dev = mt7915_hw_dev(hw);
436 int err = -EINVAL;
437
438 mutex_lock(&dev->mt76.mutex);
439 if (!cfg80211_chandef_valid(&phy->mt76->chandef))
440 goto out;
441
442 err = mt76_init_sar_power(hw, sar);
443 if (err)
444 goto out;
445
446 err = mt7915_mcu_set_txpower_sku(phy);
447 out:
448 mutex_unlock(&dev->mt76.mutex);
449
450 return err;
451 }
452
mt7915_config(struct ieee80211_hw * hw,u32 changed)453 static int mt7915_config(struct ieee80211_hw *hw, u32 changed)
454 {
455 struct mt7915_dev *dev = mt7915_hw_dev(hw);
456 struct mt7915_phy *phy = mt7915_hw_phy(hw);
457 int ret;
458
459 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
460 #ifdef CONFIG_NL80211_TESTMODE
461 if (phy->mt76->test.state != MT76_TM_STATE_OFF) {
462 mutex_lock(&dev->mt76.mutex);
463 mt76_testmode_reset(phy->mt76, false);
464 mutex_unlock(&dev->mt76.mutex);
465 }
466 #endif
467 ieee80211_stop_queues(hw);
468 ret = mt7915_set_channel(phy);
469 if (ret)
470 return ret;
471 ieee80211_wake_queues(hw);
472 }
473
474 if (changed & (IEEE80211_CONF_CHANGE_POWER |
475 IEEE80211_CONF_CHANGE_CHANNEL)) {
476 ret = mt7915_mcu_set_txpower_sku(phy);
477 if (ret)
478 return ret;
479 }
480
481 mutex_lock(&dev->mt76.mutex);
482
483 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
484 bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
485 bool band = phy->mt76->band_idx;
486 u32 rxfilter = phy->rxfilter;
487
488 if (!enabled) {
489 rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
490 dev->monitor_mask &= ~BIT(band);
491 } else {
492 rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
493 dev->monitor_mask |= BIT(band);
494 }
495
496 mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN,
497 enabled);
498 mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_MDP_DCR0_RX_HDR_TRANS_EN,
499 !dev->monitor_mask);
500 mt76_testmode_reset(phy->mt76, true);
501 mt76_wr(dev, MT_WF_RFCR(band), rxfilter);
502 }
503
504 mutex_unlock(&dev->mt76.mutex);
505
506 return 0;
507 }
508
509 static int
mt7915_conf_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,unsigned int link_id,u16 queue,const struct ieee80211_tx_queue_params * params)510 mt7915_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
511 unsigned int link_id, u16 queue,
512 const struct ieee80211_tx_queue_params *params)
513 {
514 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
515
516 /* no need to update right away, we'll get BSS_CHANGED_QOS */
517 queue = mt76_connac_lmac_mapping(queue);
518 mvif->queue_params[queue] = *params;
519
520 return 0;
521 }
522
mt7915_configure_filter(struct ieee80211_hw * hw,unsigned int changed_flags,unsigned int * total_flags,u64 multicast)523 static void mt7915_configure_filter(struct ieee80211_hw *hw,
524 unsigned int changed_flags,
525 unsigned int *total_flags,
526 u64 multicast)
527 {
528 struct mt7915_dev *dev = mt7915_hw_dev(hw);
529 struct mt7915_phy *phy = mt7915_hw_phy(hw);
530 bool band = phy->mt76->band_idx;
531 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
532 MT_WF_RFCR1_DROP_BF_POLL |
533 MT_WF_RFCR1_DROP_BA |
534 MT_WF_RFCR1_DROP_CFEND |
535 MT_WF_RFCR1_DROP_CFACK;
536 u32 rxfilter;
537 u32 flags = 0;
538
539 #define MT76_FILTER(_flag, _hw) do { \
540 flags |= *total_flags & FIF_##_flag; \
541 phy->rxfilter &= ~(_hw); \
542 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \
543 } while (0)
544
545 mutex_lock(&dev->mt76.mutex);
546
547 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
548 MT_WF_RFCR_DROP_OTHER_BEACON |
549 MT_WF_RFCR_DROP_FRAME_REPORT |
550 MT_WF_RFCR_DROP_PROBEREQ |
551 MT_WF_RFCR_DROP_MCAST_FILTERED |
552 MT_WF_RFCR_DROP_MCAST |
553 MT_WF_RFCR_DROP_BCAST |
554 MT_WF_RFCR_DROP_DUPLICATE |
555 MT_WF_RFCR_DROP_A2_BSSID |
556 MT_WF_RFCR_DROP_UNWANTED_CTL |
557 MT_WF_RFCR_DROP_STBC_MULTI);
558
559 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
560 MT_WF_RFCR_DROP_A3_MAC |
561 MT_WF_RFCR_DROP_A3_BSSID);
562
563 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
564
565 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
566 MT_WF_RFCR_DROP_RTS |
567 MT_WF_RFCR_DROP_CTL_RSV |
568 MT_WF_RFCR_DROP_NDPA);
569
570 *total_flags = flags;
571 rxfilter = phy->rxfilter;
572 if (hw->conf.flags & IEEE80211_CONF_MONITOR)
573 rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
574 else
575 rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
576 mt76_wr(dev, MT_WF_RFCR(band), rxfilter);
577
578 if (*total_flags & FIF_CONTROL)
579 mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags);
580 else
581 mt76_set(dev, MT_WF_RFCR1(band), ctl_flags);
582
583 mutex_unlock(&dev->mt76.mutex);
584 }
585
586 static void
mt7915_update_bss_color(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_he_bss_color * bss_color)587 mt7915_update_bss_color(struct ieee80211_hw *hw,
588 struct ieee80211_vif *vif,
589 struct cfg80211_he_bss_color *bss_color)
590 {
591 struct mt7915_dev *dev = mt7915_hw_dev(hw);
592
593 switch (vif->type) {
594 case NL80211_IFTYPE_AP: {
595 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
596
597 if (mvif->mt76.omac_idx > HW_BSSID_MAX)
598 return;
599 fallthrough;
600 }
601 case NL80211_IFTYPE_STATION:
602 mt7915_mcu_update_bss_color(dev, vif, bss_color);
603 break;
604 default:
605 break;
606 }
607 }
608
mt7915_bss_info_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info,u64 changed)609 static void mt7915_bss_info_changed(struct ieee80211_hw *hw,
610 struct ieee80211_vif *vif,
611 struct ieee80211_bss_conf *info,
612 u64 changed)
613 {
614 struct mt7915_phy *phy = mt7915_hw_phy(hw);
615 struct mt7915_dev *dev = mt7915_hw_dev(hw);
616 int set_bss_info = -1, set_sta = -1;
617
618 mutex_lock(&dev->mt76.mutex);
619
620 /*
621 * station mode uses BSSID to map the wlan entry to a peer,
622 * and then peer references bss_info_rfch to set bandwidth cap.
623 */
624 if (changed & BSS_CHANGED_BSSID &&
625 vif->type == NL80211_IFTYPE_STATION)
626 set_bss_info = set_sta = !is_zero_ether_addr(info->bssid);
627 if (changed & BSS_CHANGED_ASSOC)
628 set_bss_info = vif->cfg.assoc;
629 if (changed & BSS_CHANGED_BEACON_ENABLED &&
630 vif->type != NL80211_IFTYPE_AP)
631 set_bss_info = set_sta = info->enable_beacon;
632
633 if (set_bss_info == 1)
634 mt7915_mcu_add_bss_info(phy, vif, true);
635 if (set_sta == 1)
636 mt7915_mcu_add_sta(dev, vif, NULL, true);
637
638 if (changed & BSS_CHANGED_ERP_CTS_PROT)
639 mt7915_mac_enable_rtscts(dev, vif, info->use_cts_prot);
640
641 if (changed & BSS_CHANGED_ERP_SLOT) {
642 int slottime = info->use_short_slot ? 9 : 20;
643
644 if (slottime != phy->slottime) {
645 phy->slottime = slottime;
646 mt7915_mac_set_timing(phy);
647 }
648 }
649
650 /* ensure that enable txcmd_mode after bss_info */
651 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
652 mt7915_mcu_set_tx(dev, vif);
653
654 if (changed & BSS_CHANGED_HE_OBSS_PD)
655 mt7915_mcu_add_obss_spr(phy, vif, &info->he_obss_pd);
656
657 if (changed & BSS_CHANGED_HE_BSS_COLOR)
658 mt7915_update_bss_color(hw, vif, &info->he_bss_color);
659
660 if (changed & (BSS_CHANGED_BEACON |
661 BSS_CHANGED_BEACON_ENABLED))
662 mt7915_mcu_add_beacon(hw, vif, info->enable_beacon, changed);
663
664 if (changed & (BSS_CHANGED_UNSOL_BCAST_PROBE_RESP |
665 BSS_CHANGED_FILS_DISCOVERY))
666 mt7915_mcu_add_inband_discov(dev, vif, changed);
667
668 if (set_bss_info == 0)
669 mt7915_mcu_add_bss_info(phy, vif, false);
670 if (set_sta == 0)
671 mt7915_mcu_add_sta(dev, vif, NULL, false);
672
673 mutex_unlock(&dev->mt76.mutex);
674 }
675
676 static void
mt7915_vif_check_caps(struct mt7915_phy * phy,struct ieee80211_vif * vif)677 mt7915_vif_check_caps(struct mt7915_phy *phy, struct ieee80211_vif *vif)
678 {
679 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
680 struct mt7915_vif_cap *vc = &mvif->cap;
681
682 vc->ht_ldpc = vif->bss_conf.ht_ldpc;
683 vc->vht_ldpc = vif->bss_conf.vht_ldpc;
684 vc->vht_su_ebfer = vif->bss_conf.vht_su_beamformer;
685 vc->vht_su_ebfee = vif->bss_conf.vht_su_beamformee;
686 vc->vht_mu_ebfer = vif->bss_conf.vht_mu_beamformer;
687 vc->vht_mu_ebfee = vif->bss_conf.vht_mu_beamformee;
688 vc->he_ldpc = vif->bss_conf.he_ldpc;
689 vc->he_su_ebfer = vif->bss_conf.he_su_beamformer;
690 vc->he_su_ebfee = vif->bss_conf.he_su_beamformee;
691 vc->he_mu_ebfer = vif->bss_conf.he_mu_beamformer;
692 }
693
694 static int
mt7915_start_ap(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf)695 mt7915_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
696 struct ieee80211_bss_conf *link_conf)
697 {
698 struct mt7915_phy *phy = mt7915_hw_phy(hw);
699 struct mt7915_dev *dev = mt7915_hw_dev(hw);
700 int err;
701
702 mutex_lock(&dev->mt76.mutex);
703
704 mt7915_vif_check_caps(phy, vif);
705
706 err = mt7915_mcu_add_bss_info(phy, vif, true);
707 if (err)
708 goto out;
709 err = mt7915_mcu_add_sta(dev, vif, NULL, true);
710 out:
711 mutex_unlock(&dev->mt76.mutex);
712
713 return err;
714 }
715
716 static void
mt7915_stop_ap(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf)717 mt7915_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
718 struct ieee80211_bss_conf *link_conf)
719 {
720 struct mt7915_dev *dev = mt7915_hw_dev(hw);
721
722 mutex_lock(&dev->mt76.mutex);
723 mt7915_mcu_add_sta(dev, vif, NULL, false);
724 mutex_unlock(&dev->mt76.mutex);
725 }
726
727 static void
mt7915_channel_switch_beacon(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_chan_def * chandef)728 mt7915_channel_switch_beacon(struct ieee80211_hw *hw,
729 struct ieee80211_vif *vif,
730 struct cfg80211_chan_def *chandef)
731 {
732 struct mt7915_dev *dev = mt7915_hw_dev(hw);
733
734 mutex_lock(&dev->mt76.mutex);
735 mt7915_mcu_add_beacon(hw, vif, true, BSS_CHANGED_BEACON);
736 mutex_unlock(&dev->mt76.mutex);
737 }
738
mt7915_mac_sta_add(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)739 int mt7915_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
740 struct ieee80211_sta *sta)
741 {
742 struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
743 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
744 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
745 bool ext_phy = mvif->phy != &dev->phy;
746 int ret, idx;
747 u32 addr;
748
749 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA);
750 if (idx < 0)
751 return -ENOSPC;
752
753 INIT_LIST_HEAD(&msta->rc_list);
754 INIT_LIST_HEAD(&msta->wcid.poll_list);
755 msta->vif = mvif;
756 msta->wcid.sta = 1;
757 msta->wcid.idx = idx;
758 msta->wcid.phy_idx = ext_phy;
759 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
760 msta->jiffies = jiffies;
761
762 ewma_avg_signal_init(&msta->avg_ack_signal);
763
764 mt7915_mac_wtbl_update(dev, idx,
765 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
766
767 ret = mt7915_mcu_add_sta(dev, vif, sta, true);
768 if (ret)
769 return ret;
770
771 addr = mt7915_mac_wtbl_lmac_addr(dev, msta->wcid.idx, 30);
772 mt76_rmw_field(dev, addr, GENMASK(7, 0), 0xa0);
773
774 return mt7915_mcu_add_rate_ctrl(dev, vif, sta, false);
775 }
776
mt7915_mac_sta_remove(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)777 void mt7915_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
778 struct ieee80211_sta *sta)
779 {
780 struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
781 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
782 int i;
783
784 mt7915_mcu_add_sta(dev, vif, sta, false);
785
786 mt7915_mac_wtbl_update(dev, msta->wcid.idx,
787 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
788
789 for (i = 0; i < ARRAY_SIZE(msta->twt.flow); i++)
790 mt7915_mac_twt_teardown_flow(dev, msta, i);
791
792 spin_lock_bh(&mdev->sta_poll_lock);
793 if (!list_empty(&msta->wcid.poll_list))
794 list_del_init(&msta->wcid.poll_list);
795 if (!list_empty(&msta->rc_list))
796 list_del_init(&msta->rc_list);
797 spin_unlock_bh(&mdev->sta_poll_lock);
798 }
799
mt7915_tx(struct ieee80211_hw * hw,struct ieee80211_tx_control * control,struct sk_buff * skb)800 static void mt7915_tx(struct ieee80211_hw *hw,
801 struct ieee80211_tx_control *control,
802 struct sk_buff *skb)
803 {
804 struct mt7915_dev *dev = mt7915_hw_dev(hw);
805 struct mt76_phy *mphy = hw->priv;
806 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
807 struct ieee80211_vif *vif = info->control.vif;
808 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
809
810 if (control->sta) {
811 struct mt7915_sta *sta;
812
813 sta = (struct mt7915_sta *)control->sta->drv_priv;
814 wcid = &sta->wcid;
815 }
816
817 if (vif && !control->sta) {
818 struct mt7915_vif *mvif;
819
820 mvif = (struct mt7915_vif *)vif->drv_priv;
821 wcid = &mvif->sta.wcid;
822 }
823
824 mt76_tx(mphy, control->sta, wcid, skb);
825 }
826
mt7915_set_rts_threshold(struct ieee80211_hw * hw,u32 val)827 static int mt7915_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
828 {
829 struct mt7915_dev *dev = mt7915_hw_dev(hw);
830 struct mt7915_phy *phy = mt7915_hw_phy(hw);
831 int ret;
832
833 mutex_lock(&dev->mt76.mutex);
834 ret = mt76_connac_mcu_set_rts_thresh(&dev->mt76, val,
835 phy->mt76->band_idx);
836 mutex_unlock(&dev->mt76.mutex);
837
838 return ret;
839 }
840
841 static int
mt7915_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)842 mt7915_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
843 struct ieee80211_ampdu_params *params)
844 {
845 enum ieee80211_ampdu_mlme_action action = params->action;
846 struct mt7915_dev *dev = mt7915_hw_dev(hw);
847 struct ieee80211_sta *sta = params->sta;
848 struct ieee80211_txq *txq = sta->txq[params->tid];
849 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
850 u16 tid = params->tid;
851 u16 ssn = params->ssn;
852 struct mt76_txq *mtxq;
853 int ret = 0;
854
855 if (!txq)
856 return -EINVAL;
857
858 mtxq = (struct mt76_txq *)txq->drv_priv;
859
860 mutex_lock(&dev->mt76.mutex);
861 switch (action) {
862 case IEEE80211_AMPDU_RX_START:
863 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
864 params->buf_size);
865 ret = mt7915_mcu_add_rx_ba(dev, params, true);
866 break;
867 case IEEE80211_AMPDU_RX_STOP:
868 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
869 ret = mt7915_mcu_add_rx_ba(dev, params, false);
870 break;
871 case IEEE80211_AMPDU_TX_OPERATIONAL:
872 mtxq->aggr = true;
873 mtxq->send_bar = false;
874 ret = mt7915_mcu_add_tx_ba(dev, params, true);
875 break;
876 case IEEE80211_AMPDU_TX_STOP_FLUSH:
877 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
878 mtxq->aggr = false;
879 clear_bit(tid, &msta->wcid.ampdu_state);
880 ret = mt7915_mcu_add_tx_ba(dev, params, false);
881 break;
882 case IEEE80211_AMPDU_TX_START:
883 set_bit(tid, &msta->wcid.ampdu_state);
884 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
885 break;
886 case IEEE80211_AMPDU_TX_STOP_CONT:
887 mtxq->aggr = false;
888 clear_bit(tid, &msta->wcid.ampdu_state);
889 ret = mt7915_mcu_add_tx_ba(dev, params, false);
890 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
891 break;
892 }
893 mutex_unlock(&dev->mt76.mutex);
894
895 return ret;
896 }
897
898 static int
mt7915_sta_add(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)899 mt7915_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
900 struct ieee80211_sta *sta)
901 {
902 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST,
903 IEEE80211_STA_NONE);
904 }
905
906 static int
mt7915_sta_remove(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)907 mt7915_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
908 struct ieee80211_sta *sta)
909 {
910 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE,
911 IEEE80211_STA_NOTEXIST);
912 }
913
914 static int
mt7915_get_stats(struct ieee80211_hw * hw,struct ieee80211_low_level_stats * stats)915 mt7915_get_stats(struct ieee80211_hw *hw,
916 struct ieee80211_low_level_stats *stats)
917 {
918 struct mt7915_phy *phy = mt7915_hw_phy(hw);
919 struct mt7915_dev *dev = mt7915_hw_dev(hw);
920 struct mt76_mib_stats *mib = &phy->mib;
921
922 mutex_lock(&dev->mt76.mutex);
923
924 stats->dot11RTSSuccessCount = mib->rts_cnt;
925 stats->dot11RTSFailureCount = mib->rts_retries_cnt;
926 stats->dot11FCSErrorCount = mib->fcs_err_cnt;
927 stats->dot11ACKFailureCount = mib->ack_fail_cnt;
928
929 mutex_unlock(&dev->mt76.mutex);
930
931 return 0;
932 }
933
__mt7915_get_tsf(struct ieee80211_hw * hw,struct mt7915_vif * mvif)934 u64 __mt7915_get_tsf(struct ieee80211_hw *hw, struct mt7915_vif *mvif)
935 {
936 struct mt7915_dev *dev = mt7915_hw_dev(hw);
937 struct mt7915_phy *phy = mt7915_hw_phy(hw);
938 bool band = phy->mt76->band_idx;
939 union {
940 u64 t64;
941 u32 t32[2];
942 } tsf;
943 u16 n;
944
945 lockdep_assert_held(&dev->mt76.mutex);
946
947 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0
948 : mvif->mt76.omac_idx;
949 /* TSF software read */
950 if (is_mt7915(&dev->mt76))
951 mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE,
952 MT_LPON_TCR_SW_READ);
953 else
954 mt76_rmw(dev, MT_LPON_TCR_MT7916(band, n), MT_LPON_TCR_SW_MODE,
955 MT_LPON_TCR_SW_READ);
956 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(band));
957 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(band));
958
959 return tsf.t64;
960 }
961
962 static u64
mt7915_get_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif)963 mt7915_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
964 {
965 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
966 struct mt7915_dev *dev = mt7915_hw_dev(hw);
967 u64 ret;
968
969 mutex_lock(&dev->mt76.mutex);
970 ret = __mt7915_get_tsf(hw, mvif);
971 mutex_unlock(&dev->mt76.mutex);
972
973 return ret;
974 }
975
976 static void
mt7915_set_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u64 timestamp)977 mt7915_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
978 u64 timestamp)
979 {
980 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
981 struct mt7915_dev *dev = mt7915_hw_dev(hw);
982 struct mt7915_phy *phy = mt7915_hw_phy(hw);
983 bool band = phy->mt76->band_idx;
984 union {
985 u64 t64;
986 u32 t32[2];
987 } tsf = { .t64 = timestamp, };
988 u16 n;
989
990 mutex_lock(&dev->mt76.mutex);
991
992 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0
993 : mvif->mt76.omac_idx;
994 mt76_wr(dev, MT_LPON_UTTR0(band), tsf.t32[0]);
995 mt76_wr(dev, MT_LPON_UTTR1(band), tsf.t32[1]);
996 /* TSF software overwrite */
997 if (is_mt7915(&dev->mt76))
998 mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE,
999 MT_LPON_TCR_SW_WRITE);
1000 else
1001 mt76_rmw(dev, MT_LPON_TCR_MT7916(band, n), MT_LPON_TCR_SW_MODE,
1002 MT_LPON_TCR_SW_WRITE);
1003
1004 mutex_unlock(&dev->mt76.mutex);
1005 }
1006
1007 static void
mt7915_offset_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,s64 timestamp)1008 mt7915_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1009 s64 timestamp)
1010 {
1011 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
1012 struct mt7915_dev *dev = mt7915_hw_dev(hw);
1013 struct mt7915_phy *phy = mt7915_hw_phy(hw);
1014 bool band = phy->mt76->band_idx;
1015 union {
1016 u64 t64;
1017 u32 t32[2];
1018 } tsf = { .t64 = timestamp, };
1019 u16 n;
1020
1021 mutex_lock(&dev->mt76.mutex);
1022
1023 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0
1024 : mvif->mt76.omac_idx;
1025 mt76_wr(dev, MT_LPON_UTTR0(band), tsf.t32[0]);
1026 mt76_wr(dev, MT_LPON_UTTR1(band), tsf.t32[1]);
1027 /* TSF software adjust*/
1028 if (is_mt7915(&dev->mt76))
1029 mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE,
1030 MT_LPON_TCR_SW_ADJUST);
1031 else
1032 mt76_rmw(dev, MT_LPON_TCR_MT7916(band, n), MT_LPON_TCR_SW_MODE,
1033 MT_LPON_TCR_SW_ADJUST);
1034
1035 mutex_unlock(&dev->mt76.mutex);
1036 }
1037
1038 static void
mt7915_set_coverage_class(struct ieee80211_hw * hw,s16 coverage_class)1039 mt7915_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
1040 {
1041 struct mt7915_phy *phy = mt7915_hw_phy(hw);
1042 struct mt7915_dev *dev = phy->dev;
1043
1044 mutex_lock(&dev->mt76.mutex);
1045 phy->coverage_class = max_t(s16, coverage_class, 0);
1046 mt7915_mac_set_timing(phy);
1047 mutex_unlock(&dev->mt76.mutex);
1048 }
1049
1050 static int
mt7915_set_antenna(struct ieee80211_hw * hw,u32 tx_ant,u32 rx_ant)1051 mt7915_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
1052 {
1053 struct mt7915_dev *dev = mt7915_hw_dev(hw);
1054 struct mt7915_phy *phy = mt7915_hw_phy(hw);
1055 int max_nss = hweight8(hw->wiphy->available_antennas_tx);
1056 u8 chainshift = dev->chainshift;
1057 u8 band = phy->mt76->band_idx;
1058
1059 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
1060 return -EINVAL;
1061
1062 mutex_lock(&dev->mt76.mutex);
1063
1064 phy->mt76->antenna_mask = tx_ant;
1065
1066 /* handle a variant of mt7916/mt7981 which has 3T3R but nss2 on 5 GHz band */
1067 if ((is_mt7916(&dev->mt76) || is_mt7981(&dev->mt76)) &&
1068 band && hweight8(tx_ant) == max_nss)
1069 phy->mt76->chainmask = (dev->chainmask >> chainshift) << chainshift;
1070 else
1071 phy->mt76->chainmask = tx_ant << (chainshift * band);
1072
1073 mt76_set_stream_caps(phy->mt76, true);
1074 mt7915_set_stream_vht_txbf_caps(phy);
1075 mt7915_set_stream_he_caps(phy);
1076
1077 mutex_unlock(&dev->mt76.mutex);
1078
1079 return 0;
1080 }
1081
mt7915_sta_statistics(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct station_info * sinfo)1082 static void mt7915_sta_statistics(struct ieee80211_hw *hw,
1083 struct ieee80211_vif *vif,
1084 struct ieee80211_sta *sta,
1085 struct station_info *sinfo)
1086 {
1087 struct mt7915_phy *phy = mt7915_hw_phy(hw);
1088 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
1089 struct rate_info *txrate = &msta->wcid.rate;
1090 struct rate_info rxrate = {};
1091
1092 if (is_mt7915(&phy->dev->mt76) &&
1093 !mt7915_mcu_get_rx_rate(phy, vif, sta, &rxrate)) {
1094 sinfo->rxrate = rxrate;
1095 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BITRATE);
1096 }
1097
1098 if (txrate->legacy || txrate->flags) {
1099 if (txrate->legacy) {
1100 sinfo->txrate.legacy = txrate->legacy;
1101 } else {
1102 sinfo->txrate.mcs = txrate->mcs;
1103 sinfo->txrate.nss = txrate->nss;
1104 sinfo->txrate.bw = txrate->bw;
1105 sinfo->txrate.he_gi = txrate->he_gi;
1106 sinfo->txrate.he_dcm = txrate->he_dcm;
1107 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc;
1108 }
1109 sinfo->txrate.flags = txrate->flags;
1110 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
1111 }
1112
1113 /* offloading flows bypass networking stack, so driver counts and
1114 * reports sta statistics via NL80211_STA_INFO when WED is active.
1115 */
1116 if (mtk_wed_device_active(&phy->dev->mt76.mmio.wed)) {
1117 sinfo->tx_bytes = msta->wcid.stats.tx_bytes;
1118 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BYTES64);
1119
1120 if (!mt7915_mcu_wed_wa_tx_stats(phy->dev, msta->wcid.idx)) {
1121 sinfo->tx_packets = msta->wcid.stats.tx_packets;
1122 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS);
1123 }
1124
1125 if (mtk_wed_get_rx_capa(&phy->dev->mt76.mmio.wed)) {
1126 sinfo->rx_bytes = msta->wcid.stats.rx_bytes;
1127 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BYTES64);
1128
1129 sinfo->rx_packets = msta->wcid.stats.rx_packets;
1130 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS);
1131 }
1132 }
1133
1134 sinfo->tx_failed = msta->wcid.stats.tx_failed;
1135 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED);
1136
1137 sinfo->tx_retries = msta->wcid.stats.tx_retries;
1138 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_RETRIES);
1139
1140 sinfo->ack_signal = (s8)msta->ack_signal;
1141 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL);
1142
1143 sinfo->avg_ack_signal = -(s8)ewma_avg_signal_read(&msta->avg_ack_signal);
1144 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG);
1145 }
1146
mt7915_sta_rc_work(void * data,struct ieee80211_sta * sta)1147 static void mt7915_sta_rc_work(void *data, struct ieee80211_sta *sta)
1148 {
1149 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
1150 struct mt7915_dev *dev = msta->vif->phy->dev;
1151 u32 *changed = data;
1152
1153 spin_lock_bh(&dev->mt76.sta_poll_lock);
1154 msta->changed |= *changed;
1155 if (list_empty(&msta->rc_list))
1156 list_add_tail(&msta->rc_list, &dev->sta_rc_list);
1157 spin_unlock_bh(&dev->mt76.sta_poll_lock);
1158 }
1159
mt7915_sta_rc_update(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,u32 changed)1160 static void mt7915_sta_rc_update(struct ieee80211_hw *hw,
1161 struct ieee80211_vif *vif,
1162 struct ieee80211_sta *sta,
1163 u32 changed)
1164 {
1165 struct mt7915_phy *phy = mt7915_hw_phy(hw);
1166 struct mt7915_dev *dev = phy->dev;
1167
1168 mt7915_sta_rc_work(&changed, sta);
1169 ieee80211_queue_work(hw, &dev->rc_work);
1170 }
1171
1172 static int
mt7915_set_bitrate_mask(struct ieee80211_hw * hw,struct ieee80211_vif * vif,const struct cfg80211_bitrate_mask * mask)1173 mt7915_set_bitrate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1174 const struct cfg80211_bitrate_mask *mask)
1175 {
1176 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
1177 struct mt7915_phy *phy = mt7915_hw_phy(hw);
1178 struct mt7915_dev *dev = phy->dev;
1179 u32 changed = IEEE80211_RC_SUPP_RATES_CHANGED;
1180
1181 mvif->bitrate_mask = *mask;
1182
1183 /* if multiple rates across different preambles are given we can
1184 * reconfigure this info with all peers using sta_rec command with
1185 * the below exception cases.
1186 * - single rate : if a rate is passed along with different preambles,
1187 * we select the highest one as fixed rate. i.e VHT MCS for VHT peers.
1188 * - multiple rates: if it's not in range format i.e 0-{7,8,9} for VHT
1189 * then multiple MCS setting (MCS 4,5,6) is not supported.
1190 */
1191 ieee80211_iterate_stations_atomic(hw, mt7915_sta_rc_work, &changed);
1192 ieee80211_queue_work(hw, &dev->rc_work);
1193
1194 return 0;
1195 }
1196
mt7915_sta_set_4addr(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enabled)1197 static void mt7915_sta_set_4addr(struct ieee80211_hw *hw,
1198 struct ieee80211_vif *vif,
1199 struct ieee80211_sta *sta,
1200 bool enabled)
1201 {
1202 struct mt7915_dev *dev = mt7915_hw_dev(hw);
1203 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
1204
1205 if (enabled)
1206 set_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags);
1207 else
1208 clear_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags);
1209
1210 mt76_connac_mcu_wtbl_update_hdr_trans(&dev->mt76, vif, sta);
1211 }
1212
mt7915_sta_set_decap_offload(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enabled)1213 static void mt7915_sta_set_decap_offload(struct ieee80211_hw *hw,
1214 struct ieee80211_vif *vif,
1215 struct ieee80211_sta *sta,
1216 bool enabled)
1217 {
1218 struct mt7915_dev *dev = mt7915_hw_dev(hw);
1219 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
1220
1221 if (enabled)
1222 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1223 else
1224 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1225
1226 mt76_connac_mcu_wtbl_update_hdr_trans(&dev->mt76, vif, sta);
1227 }
1228
mt7915_sta_set_txpwr(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)1229 static int mt7915_sta_set_txpwr(struct ieee80211_hw *hw,
1230 struct ieee80211_vif *vif,
1231 struct ieee80211_sta *sta)
1232 {
1233 struct mt7915_phy *phy = mt7915_hw_phy(hw);
1234 struct mt7915_dev *dev = mt7915_hw_dev(hw);
1235 s16 txpower = sta->deflink.txpwr.power;
1236 int ret;
1237
1238 if (sta->deflink.txpwr.type == NL80211_TX_POWER_AUTOMATIC)
1239 txpower = 0;
1240
1241 mutex_lock(&dev->mt76.mutex);
1242
1243 /* NOTE: temporarily use 0 as minimum limit, which is a
1244 * global setting and will be applied to all stations.
1245 */
1246 ret = mt7915_mcu_set_txpower_frame_min(phy, 0);
1247 if (ret)
1248 goto out;
1249
1250 /* This only applies to data frames while pushing traffic,
1251 * whereas the management frames or other packets that are
1252 * using fixed rate can be configured via TxD.
1253 */
1254 ret = mt7915_mcu_set_txpower_frame(phy, vif, sta, txpower);
1255
1256 out:
1257 mutex_unlock(&dev->mt76.mutex);
1258
1259 return ret;
1260 }
1261
1262 static const char mt7915_gstrings_stats[][ETH_GSTRING_LEN] = {
1263 "tx_ampdu_cnt",
1264 "tx_stop_q_empty_cnt",
1265 "tx_mpdu_attempts",
1266 "tx_mpdu_success",
1267 "tx_rwp_fail_cnt",
1268 "tx_rwp_need_cnt",
1269 "tx_pkt_ebf_cnt",
1270 "tx_pkt_ibf_cnt",
1271 "tx_ampdu_len:0-1",
1272 "tx_ampdu_len:2-10",
1273 "tx_ampdu_len:11-19",
1274 "tx_ampdu_len:20-28",
1275 "tx_ampdu_len:29-37",
1276 "tx_ampdu_len:38-46",
1277 "tx_ampdu_len:47-55",
1278 "tx_ampdu_len:56-79",
1279 "tx_ampdu_len:80-103",
1280 "tx_ampdu_len:104-127",
1281 "tx_ampdu_len:128-151",
1282 "tx_ampdu_len:152-175",
1283 "tx_ampdu_len:176-199",
1284 "tx_ampdu_len:200-223",
1285 "tx_ampdu_len:224-247",
1286 "ba_miss_count",
1287 "tx_beamformer_ppdu_iBF",
1288 "tx_beamformer_ppdu_eBF",
1289 "tx_beamformer_rx_feedback_all",
1290 "tx_beamformer_rx_feedback_he",
1291 "tx_beamformer_rx_feedback_vht",
1292 "tx_beamformer_rx_feedback_ht",
1293 "tx_beamformer_rx_feedback_bw", /* zero based idx: 20, 40, 80, 160 */
1294 "tx_beamformer_rx_feedback_nc",
1295 "tx_beamformer_rx_feedback_nr",
1296 "tx_beamformee_ok_feedback_pkts",
1297 "tx_beamformee_feedback_trig",
1298 "tx_mu_beamforming",
1299 "tx_mu_mpdu",
1300 "tx_mu_successful_mpdu",
1301 "tx_su_successful_mpdu",
1302 "tx_msdu_pack_1",
1303 "tx_msdu_pack_2",
1304 "tx_msdu_pack_3",
1305 "tx_msdu_pack_4",
1306 "tx_msdu_pack_5",
1307 "tx_msdu_pack_6",
1308 "tx_msdu_pack_7",
1309 "tx_msdu_pack_8",
1310
1311 /* rx counters */
1312 "rx_fifo_full_cnt",
1313 "rx_mpdu_cnt",
1314 "channel_idle_cnt",
1315 "primary_cca_busy_time",
1316 "secondary_cca_busy_time",
1317 "primary_energy_detect_time",
1318 "cck_mdrdy_time",
1319 "ofdm_mdrdy_time",
1320 "green_mdrdy_time",
1321 "rx_vector_mismatch_cnt",
1322 "rx_delimiter_fail_cnt",
1323 "rx_mrdy_cnt",
1324 "rx_len_mismatch_cnt",
1325 "rx_ampdu_cnt",
1326 "rx_ampdu_bytes_cnt",
1327 "rx_ampdu_valid_subframe_cnt",
1328 "rx_ampdu_valid_subframe_b_cnt",
1329 "rx_pfdrop_cnt",
1330 "rx_vec_queue_overflow_drop_cnt",
1331 "rx_ba_cnt",
1332
1333 /* muru mu-mimo and ofdma related stats */
1334 "dl_cck_cnt",
1335 "dl_ofdm_cnt",
1336 "dl_htmix_cnt",
1337 "dl_htgf_cnt",
1338 "dl_vht_su_cnt",
1339 "dl_vht_2mu_cnt",
1340 "dl_vht_3mu_cnt",
1341 "dl_vht_4mu_cnt",
1342 "dl_he_su_cnt",
1343 "dl_he_ext_su_cnt",
1344 "dl_he_2ru_cnt",
1345 "dl_he_2mu_cnt",
1346 "dl_he_3ru_cnt",
1347 "dl_he_3mu_cnt",
1348 "dl_he_4ru_cnt",
1349 "dl_he_4mu_cnt",
1350 "dl_he_5to8ru_cnt",
1351 "dl_he_9to16ru_cnt",
1352 "dl_he_gtr16ru_cnt",
1353
1354 "ul_hetrig_su_cnt",
1355 "ul_hetrig_2ru_cnt",
1356 "ul_hetrig_3ru_cnt",
1357 "ul_hetrig_4ru_cnt",
1358 "ul_hetrig_5to8ru_cnt",
1359 "ul_hetrig_9to16ru_cnt",
1360 "ul_hetrig_gtr16ru_cnt",
1361 "ul_hetrig_2mu_cnt",
1362 "ul_hetrig_3mu_cnt",
1363 "ul_hetrig_4mu_cnt",
1364
1365 /* per vif counters */
1366 "v_tx_mode_cck",
1367 "v_tx_mode_ofdm",
1368 "v_tx_mode_ht",
1369 "v_tx_mode_ht_gf",
1370 "v_tx_mode_vht",
1371 "v_tx_mode_he_su",
1372 "v_tx_mode_he_ext_su",
1373 "v_tx_mode_he_tb",
1374 "v_tx_mode_he_mu",
1375 "v_tx_bw_20",
1376 "v_tx_bw_40",
1377 "v_tx_bw_80",
1378 "v_tx_bw_160",
1379 "v_tx_mcs_0",
1380 "v_tx_mcs_1",
1381 "v_tx_mcs_2",
1382 "v_tx_mcs_3",
1383 "v_tx_mcs_4",
1384 "v_tx_mcs_5",
1385 "v_tx_mcs_6",
1386 "v_tx_mcs_7",
1387 "v_tx_mcs_8",
1388 "v_tx_mcs_9",
1389 "v_tx_mcs_10",
1390 "v_tx_mcs_11",
1391 "v_tx_nss_1",
1392 "v_tx_nss_2",
1393 "v_tx_nss_3",
1394 "v_tx_nss_4",
1395 };
1396
1397 #define MT7915_SSTATS_LEN ARRAY_SIZE(mt7915_gstrings_stats)
1398
1399 /* Ethtool related API */
1400 static
mt7915_get_et_strings(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u32 sset,u8 * data)1401 void mt7915_get_et_strings(struct ieee80211_hw *hw,
1402 struct ieee80211_vif *vif,
1403 u32 sset, u8 *data)
1404 {
1405 if (sset != ETH_SS_STATS)
1406 return;
1407
1408 memcpy(data, mt7915_gstrings_stats, sizeof(mt7915_gstrings_stats));
1409 data += sizeof(mt7915_gstrings_stats);
1410 page_pool_ethtool_stats_get_strings(data);
1411 }
1412
1413 static
mt7915_get_et_sset_count(struct ieee80211_hw * hw,struct ieee80211_vif * vif,int sset)1414 int mt7915_get_et_sset_count(struct ieee80211_hw *hw,
1415 struct ieee80211_vif *vif, int sset)
1416 {
1417 if (sset != ETH_SS_STATS)
1418 return 0;
1419
1420 return MT7915_SSTATS_LEN + page_pool_ethtool_stats_get_count();
1421 }
1422
mt7915_ethtool_worker(void * wi_data,struct ieee80211_sta * sta)1423 static void mt7915_ethtool_worker(void *wi_data, struct ieee80211_sta *sta)
1424 {
1425 struct mt76_ethtool_worker_info *wi = wi_data;
1426 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
1427
1428 if (msta->vif->mt76.idx != wi->idx)
1429 return;
1430
1431 mt76_ethtool_worker(wi, &msta->wcid.stats, false);
1432 }
1433
1434 static
mt7915_get_et_stats(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ethtool_stats * stats,u64 * data)1435 void mt7915_get_et_stats(struct ieee80211_hw *hw,
1436 struct ieee80211_vif *vif,
1437 struct ethtool_stats *stats, u64 *data)
1438 {
1439 struct mt7915_dev *dev = mt7915_hw_dev(hw);
1440 struct mt7915_phy *phy = mt7915_hw_phy(hw);
1441 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
1442 struct mt76_mib_stats *mib = &phy->mib;
1443 struct mt76_ethtool_worker_info wi = {
1444 .data = data,
1445 .idx = mvif->mt76.idx,
1446 };
1447 /* See mt7915_ampdu_stat_read_phy, etc */
1448 int i, ei = 0, stats_size;
1449
1450 mutex_lock(&dev->mt76.mutex);
1451
1452 mt7915_mac_update_stats(phy);
1453
1454 data[ei++] = mib->tx_ampdu_cnt;
1455 data[ei++] = mib->tx_stop_q_empty_cnt;
1456 data[ei++] = mib->tx_mpdu_attempts_cnt;
1457 data[ei++] = mib->tx_mpdu_success_cnt;
1458 data[ei++] = mib->tx_rwp_fail_cnt;
1459 data[ei++] = mib->tx_rwp_need_cnt;
1460 data[ei++] = mib->tx_pkt_ebf_cnt;
1461 data[ei++] = mib->tx_pkt_ibf_cnt;
1462
1463 /* Tx ampdu stat */
1464 for (i = 0; i < 15 /*ARRAY_SIZE(bound)*/; i++)
1465 data[ei++] = phy->mt76->aggr_stats[i];
1466
1467 data[ei++] = phy->mib.ba_miss_cnt;
1468
1469 /* Tx Beamformer monitor */
1470 data[ei++] = mib->tx_bf_ibf_ppdu_cnt;
1471 data[ei++] = mib->tx_bf_ebf_ppdu_cnt;
1472
1473 /* Tx Beamformer Rx feedback monitor */
1474 data[ei++] = mib->tx_bf_rx_fb_all_cnt;
1475 data[ei++] = mib->tx_bf_rx_fb_he_cnt;
1476 data[ei++] = mib->tx_bf_rx_fb_vht_cnt;
1477 data[ei++] = mib->tx_bf_rx_fb_ht_cnt;
1478
1479 data[ei++] = mib->tx_bf_rx_fb_bw;
1480 data[ei++] = mib->tx_bf_rx_fb_nc_cnt;
1481 data[ei++] = mib->tx_bf_rx_fb_nr_cnt;
1482
1483 /* Tx Beamformee Rx NDPA & Tx feedback report */
1484 data[ei++] = mib->tx_bf_fb_cpl_cnt;
1485 data[ei++] = mib->tx_bf_fb_trig_cnt;
1486
1487 /* Tx SU & MU counters */
1488 data[ei++] = mib->tx_bf_cnt;
1489 data[ei++] = mib->tx_mu_mpdu_cnt;
1490 data[ei++] = mib->tx_mu_acked_mpdu_cnt;
1491 data[ei++] = mib->tx_su_acked_mpdu_cnt;
1492
1493 /* Tx amsdu info (pack-count histogram) */
1494 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++)
1495 data[ei++] = mib->tx_amsdu[i];
1496
1497 /* rx counters */
1498 data[ei++] = mib->rx_fifo_full_cnt;
1499 data[ei++] = mib->rx_mpdu_cnt;
1500 data[ei++] = mib->channel_idle_cnt;
1501 data[ei++] = mib->primary_cca_busy_time;
1502 data[ei++] = mib->secondary_cca_busy_time;
1503 data[ei++] = mib->primary_energy_detect_time;
1504 data[ei++] = mib->cck_mdrdy_time;
1505 data[ei++] = mib->ofdm_mdrdy_time;
1506 data[ei++] = mib->green_mdrdy_time;
1507 data[ei++] = mib->rx_vector_mismatch_cnt;
1508 data[ei++] = mib->rx_delimiter_fail_cnt;
1509 data[ei++] = mib->rx_mrdy_cnt;
1510 data[ei++] = mib->rx_len_mismatch_cnt;
1511 data[ei++] = mib->rx_ampdu_cnt;
1512 data[ei++] = mib->rx_ampdu_bytes_cnt;
1513 data[ei++] = mib->rx_ampdu_valid_subframe_cnt;
1514 data[ei++] = mib->rx_ampdu_valid_subframe_bytes_cnt;
1515 data[ei++] = mib->rx_pfdrop_cnt;
1516 data[ei++] = mib->rx_vec_queue_overflow_drop_cnt;
1517 data[ei++] = mib->rx_ba_cnt;
1518
1519 data[ei++] = mib->dl_cck_cnt;
1520 data[ei++] = mib->dl_ofdm_cnt;
1521 data[ei++] = mib->dl_htmix_cnt;
1522 data[ei++] = mib->dl_htgf_cnt;
1523 data[ei++] = mib->dl_vht_su_cnt;
1524 data[ei++] = mib->dl_vht_2mu_cnt;
1525 data[ei++] = mib->dl_vht_3mu_cnt;
1526 data[ei++] = mib->dl_vht_4mu_cnt;
1527 data[ei++] = mib->dl_he_su_cnt;
1528 data[ei++] = mib->dl_he_ext_su_cnt;
1529 data[ei++] = mib->dl_he_2ru_cnt;
1530 data[ei++] = mib->dl_he_2mu_cnt;
1531 data[ei++] = mib->dl_he_3ru_cnt;
1532 data[ei++] = mib->dl_he_3mu_cnt;
1533 data[ei++] = mib->dl_he_4ru_cnt;
1534 data[ei++] = mib->dl_he_4mu_cnt;
1535 data[ei++] = mib->dl_he_5to8ru_cnt;
1536 data[ei++] = mib->dl_he_9to16ru_cnt;
1537 data[ei++] = mib->dl_he_gtr16ru_cnt;
1538
1539 data[ei++] = mib->ul_hetrig_su_cnt;
1540 data[ei++] = mib->ul_hetrig_2ru_cnt;
1541 data[ei++] = mib->ul_hetrig_3ru_cnt;
1542 data[ei++] = mib->ul_hetrig_4ru_cnt;
1543 data[ei++] = mib->ul_hetrig_5to8ru_cnt;
1544 data[ei++] = mib->ul_hetrig_9to16ru_cnt;
1545 data[ei++] = mib->ul_hetrig_gtr16ru_cnt;
1546 data[ei++] = mib->ul_hetrig_2mu_cnt;
1547 data[ei++] = mib->ul_hetrig_3mu_cnt;
1548 data[ei++] = mib->ul_hetrig_4mu_cnt;
1549
1550 /* Add values for all stations owned by this vif */
1551 wi.initial_stat_idx = ei;
1552 ieee80211_iterate_stations_atomic(hw, mt7915_ethtool_worker, &wi);
1553
1554 mutex_unlock(&dev->mt76.mutex);
1555
1556 if (wi.sta_count == 0)
1557 return;
1558
1559 ei += wi.worker_stat_count;
1560
1561 mt76_ethtool_page_pool_stats(&dev->mt76, &data[ei], &ei);
1562
1563 stats_size = MT7915_SSTATS_LEN + page_pool_ethtool_stats_get_count();
1564 if (ei != stats_size)
1565 dev_err(dev->mt76.dev, "ei: %d size: %d", ei, stats_size);
1566 }
1567
1568 static void
mt7915_twt_teardown_request(struct ieee80211_hw * hw,struct ieee80211_sta * sta,u8 flowid)1569 mt7915_twt_teardown_request(struct ieee80211_hw *hw,
1570 struct ieee80211_sta *sta,
1571 u8 flowid)
1572 {
1573 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
1574 struct mt7915_dev *dev = mt7915_hw_dev(hw);
1575
1576 mutex_lock(&dev->mt76.mutex);
1577 mt7915_mac_twt_teardown_flow(dev, msta, flowid);
1578 mutex_unlock(&dev->mt76.mutex);
1579 }
1580
1581 static int
mt7915_set_radar_background(struct ieee80211_hw * hw,struct cfg80211_chan_def * chandef)1582 mt7915_set_radar_background(struct ieee80211_hw *hw,
1583 struct cfg80211_chan_def *chandef)
1584 {
1585 struct mt7915_phy *phy = mt7915_hw_phy(hw);
1586 struct mt7915_dev *dev = phy->dev;
1587 int ret = -EINVAL;
1588 bool running;
1589
1590 mutex_lock(&dev->mt76.mutex);
1591
1592 if (dev->mt76.region == NL80211_DFS_UNSET)
1593 goto out;
1594
1595 if (dev->rdd2_phy && dev->rdd2_phy != phy) {
1596 /* rdd2 is already locked */
1597 ret = -EBUSY;
1598 goto out;
1599 }
1600
1601 /* rdd2 already configured on a radar channel */
1602 running = dev->rdd2_phy &&
1603 cfg80211_chandef_valid(&dev->rdd2_chandef) &&
1604 !!(dev->rdd2_chandef.chan->flags & IEEE80211_CHAN_RADAR);
1605
1606 if (!chandef || running ||
1607 !(chandef->chan->flags & IEEE80211_CHAN_RADAR)) {
1608 ret = mt7915_mcu_rdd_background_enable(phy, NULL);
1609 if (ret)
1610 goto out;
1611
1612 if (!running)
1613 goto update_phy;
1614 }
1615
1616 ret = mt7915_mcu_rdd_background_enable(phy, chandef);
1617 if (ret)
1618 goto out;
1619
1620 update_phy:
1621 dev->rdd2_phy = chandef ? phy : NULL;
1622 if (chandef)
1623 dev->rdd2_chandef = *chandef;
1624 out:
1625 mutex_unlock(&dev->mt76.mutex);
1626
1627 return ret;
1628 }
1629
1630 #ifdef CONFIG_NET_MEDIATEK_SOC_WED
1631 static int
mt7915_net_fill_forward_path(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct net_device_path_ctx * ctx,struct net_device_path * path)1632 mt7915_net_fill_forward_path(struct ieee80211_hw *hw,
1633 struct ieee80211_vif *vif,
1634 struct ieee80211_sta *sta,
1635 struct net_device_path_ctx *ctx,
1636 struct net_device_path *path)
1637 {
1638 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
1639 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
1640 struct mt7915_dev *dev = mt7915_hw_dev(hw);
1641 struct mt7915_phy *phy = mt7915_hw_phy(hw);
1642 struct mtk_wed_device *wed = &dev->mt76.mmio.wed;
1643
1644 if (!mtk_wed_device_active(wed))
1645 return -ENODEV;
1646
1647 if (msta->wcid.idx > 0xff)
1648 return -EIO;
1649
1650 path->type = DEV_PATH_MTK_WDMA;
1651 path->dev = ctx->dev;
1652 path->mtk_wdma.wdma_idx = wed->wdma_idx;
1653 path->mtk_wdma.bss = mvif->mt76.idx;
1654 path->mtk_wdma.wcid = is_mt7915(&dev->mt76) ? msta->wcid.idx : 0x3ff;
1655 path->mtk_wdma.queue = phy != &dev->phy;
1656
1657 ctx->dev = NULL;
1658
1659 return 0;
1660 }
1661 #endif
1662
1663 const struct ieee80211_ops mt7915_ops = {
1664 .add_chanctx = ieee80211_emulate_add_chanctx,
1665 .remove_chanctx = ieee80211_emulate_remove_chanctx,
1666 .change_chanctx = ieee80211_emulate_change_chanctx,
1667 .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,
1668 .tx = mt7915_tx,
1669 .start = mt7915_start,
1670 .stop = mt7915_stop,
1671 .add_interface = mt7915_add_interface,
1672 .remove_interface = mt7915_remove_interface,
1673 .config = mt7915_config,
1674 .conf_tx = mt7915_conf_tx,
1675 .configure_filter = mt7915_configure_filter,
1676 .bss_info_changed = mt7915_bss_info_changed,
1677 .start_ap = mt7915_start_ap,
1678 .stop_ap = mt7915_stop_ap,
1679 .sta_add = mt7915_sta_add,
1680 .sta_remove = mt7915_sta_remove,
1681 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
1682 .sta_rc_update = mt7915_sta_rc_update,
1683 .set_key = mt7915_set_key,
1684 .ampdu_action = mt7915_ampdu_action,
1685 .set_rts_threshold = mt7915_set_rts_threshold,
1686 .wake_tx_queue = mt76_wake_tx_queue,
1687 .sw_scan_start = mt76_sw_scan,
1688 .sw_scan_complete = mt76_sw_scan_complete,
1689 .release_buffered_frames = mt76_release_buffered_frames,
1690 .get_txpower = mt76_get_txpower,
1691 .set_sar_specs = mt7915_set_sar_specs,
1692 .channel_switch_beacon = mt7915_channel_switch_beacon,
1693 .get_stats = mt7915_get_stats,
1694 .get_et_sset_count = mt7915_get_et_sset_count,
1695 .get_et_stats = mt7915_get_et_stats,
1696 .get_et_strings = mt7915_get_et_strings,
1697 .get_tsf = mt7915_get_tsf,
1698 .set_tsf = mt7915_set_tsf,
1699 .offset_tsf = mt7915_offset_tsf,
1700 .get_survey = mt76_get_survey,
1701 .get_antenna = mt76_get_antenna,
1702 .set_antenna = mt7915_set_antenna,
1703 .set_bitrate_mask = mt7915_set_bitrate_mask,
1704 .set_coverage_class = mt7915_set_coverage_class,
1705 .sta_statistics = mt7915_sta_statistics,
1706 .sta_set_txpwr = mt7915_sta_set_txpwr,
1707 .sta_set_4addr = mt7915_sta_set_4addr,
1708 .sta_set_decap_offload = mt7915_sta_set_decap_offload,
1709 .add_twt_setup = mt7915_mac_add_twt_setup,
1710 .twt_teardown_request = mt7915_twt_teardown_request,
1711 CFG80211_TESTMODE_CMD(mt76_testmode_cmd)
1712 CFG80211_TESTMODE_DUMP(mt76_testmode_dump)
1713 #ifdef CONFIG_MAC80211_DEBUGFS
1714 .sta_add_debugfs = mt7915_sta_add_debugfs,
1715 #endif
1716 .set_radar_background = mt7915_set_radar_background,
1717 #ifdef CONFIG_NET_MEDIATEK_SOC_WED
1718 .net_fill_forward_path = mt7915_net_fill_forward_path,
1719 .net_setup_tc = mt76_wed_net_setup_tc,
1720 #endif
1721 };
1722