?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
drm/vkms: Add support for ABGR8888 pixel format
[drm/drm-misc.git] / drivers / net / wireless / mediatek / mt76 / mt7996 / main.c
blob2b34ae5e0cb57b50eaf34c23e36e32f37791f5cb
1 // SPDX-License-Identifier: ISC
2 /*
3 * Copyright (C) 2022 MediaTek Inc.
4 */
5
6 #include "mt7996.h"
7 #include "mcu.h"
8 #include "mac.h"
9
10 static bool mt7996_dev_running(struct mt7996_dev *dev)
11 {
12 struct mt7996_phy *phy;
13
14 if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
15 return true;
16
17 phy = mt7996_phy2(dev);
18 if (phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state))
19 return true;
20
21 phy = mt7996_phy3(dev);
22
23 return phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state);
24 }
25
26 int mt7996_run(struct ieee80211_hw *hw)
27 {
28 struct mt7996_dev *dev = mt7996_hw_dev(hw);
29 struct mt7996_phy *phy = mt7996_hw_phy(hw);
30 bool running;
31 int ret;
32
33 running = mt7996_dev_running(dev);
34 if (!running) {
35 ret = mt7996_mcu_set_hdr_trans(dev, true);
36 if (ret)
37 goto out;
38
39 if (is_mt7992(&dev->mt76)) {
40 u8 queue = mt76_connac_lmac_mapping(IEEE80211_AC_VI);
41
42 ret = mt7996_mcu_cp_support(dev, queue);
43 if (ret)
44 goto out;
45 }
46 }
47
48 mt7996_mac_enable_nf(dev, phy->mt76->band_idx);
49
50 ret = mt7996_mcu_set_rts_thresh(phy, 0x92b);
51 if (ret)
52 goto out;
53
54 ret = mt7996_mcu_set_radio_en(phy, true);
55 if (ret)
56 goto out;
57
58 ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_RX_PATH);
59 if (ret)
60 goto out;
61
62 ret = mt7996_mcu_set_thermal_throttling(phy, MT7996_THERMAL_THROTTLE_MAX);
63 if (ret)
64 goto out;
65
66 ret = mt7996_mcu_set_thermal_protect(phy, true);
67 if (ret)
68 goto out;
69
70 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
71
72 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
73 MT7996_WATCHDOG_TIME);
74
75 if (!running)
76 mt7996_mac_reset_counters(phy);
77
78 out:
79 return ret;
80 }
81
82 static int mt7996_start(struct ieee80211_hw *hw)
83 {
84 struct mt7996_dev *dev = mt7996_hw_dev(hw);
85 int ret;
86
87 flush_work(&dev->init_work);
88
89 mutex_lock(&dev->mt76.mutex);
90 ret = mt7996_run(hw);
91 mutex_unlock(&dev->mt76.mutex);
92
93 return ret;
94 }
95
96 static void mt7996_stop(struct ieee80211_hw *hw, bool suspend)
97 {
98 struct mt7996_dev *dev = mt7996_hw_dev(hw);
99 struct mt7996_phy *phy = mt7996_hw_phy(hw);
100
101 cancel_delayed_work_sync(&phy->mt76->mac_work);
102
103 mutex_lock(&dev->mt76.mutex);
104
105 mt7996_mcu_set_radio_en(phy, false);
106
107 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
108
109 mutex_unlock(&dev->mt76.mutex);
110 }
111
112 static inline int get_free_idx(u32 mask, u8 start, u8 end)
113 {
114 return ffs(~mask & GENMASK(end, start));
115 }
116
117 static int get_omac_idx(enum nl80211_iftype type, u64 mask)
118 {
119 int i;
120
121 switch (type) {
122 case NL80211_IFTYPE_MESH_POINT:
123 case NL80211_IFTYPE_ADHOC:
124 case NL80211_IFTYPE_STATION:
125 /* prefer hw bssid slot 1-3 */
126 i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3);
127 if (i)
128 return i - 1;
129
130 if (type != NL80211_IFTYPE_STATION)
131 break;
132
133 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
134 if (i)
135 return i - 1;
136
137 if (~mask & BIT(HW_BSSID_0))
138 return HW_BSSID_0;
139
140 break;
141 case NL80211_IFTYPE_MONITOR:
142 case NL80211_IFTYPE_AP:
143 /* ap uses hw bssid 0 and ext bssid */
144 if (~mask & BIT(HW_BSSID_0))
145 return HW_BSSID_0;
146
147 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
148 if (i)
149 return i - 1;
150
151 break;
152 default:
153 WARN_ON(1);
154 break;
155 }
156
157 return -1;
158 }
159
160 static void mt7996_init_bitrate_mask(struct ieee80211_vif *vif)
161 {
162 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
163 int i;
164
165 for (i = 0; i < ARRAY_SIZE(mvif->bitrate_mask.control); i++) {
166 mvif->bitrate_mask.control[i].gi = NL80211_TXRATE_DEFAULT_GI;
167 mvif->bitrate_mask.control[i].he_gi = 0xff;
168 mvif->bitrate_mask.control[i].he_ltf = 0xff;
169 mvif->bitrate_mask.control[i].legacy = GENMASK(31, 0);
170 memset(mvif->bitrate_mask.control[i].ht_mcs, 0xff,
171 sizeof(mvif->bitrate_mask.control[i].ht_mcs));
172 memset(mvif->bitrate_mask.control[i].vht_mcs, 0xff,
173 sizeof(mvif->bitrate_mask.control[i].vht_mcs));
174 memset(mvif->bitrate_mask.control[i].he_mcs, 0xff,
175 sizeof(mvif->bitrate_mask.control[i].he_mcs));
176 }
177 }
178
179 static int mt7996_add_interface(struct ieee80211_hw *hw,
180 struct ieee80211_vif *vif)
181 {
182 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
183 struct mt7996_dev *dev = mt7996_hw_dev(hw);
184 struct mt7996_phy *phy = mt7996_hw_phy(hw);
185 struct mt76_txq *mtxq;
186 u8 band_idx = phy->mt76->band_idx;
187 int idx, ret = 0;
188
189 mutex_lock(&dev->mt76.mutex);
190
191 if (vif->type == NL80211_IFTYPE_MONITOR &&
192 is_zero_ether_addr(vif->addr))
193 phy->monitor_vif = vif;
194
195 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask);
196 if (mvif->mt76.idx >= mt7996_max_interface_num(dev)) {
197 ret = -ENOSPC;
198 goto out;
199 }
200
201 idx = get_omac_idx(vif->type, phy->omac_mask);
202 if (idx < 0) {
203 ret = -ENOSPC;
204 goto out;
205 }
206 mvif->mt76.omac_idx = idx;
207 mvif->phy = phy;
208 mvif->mt76.band_idx = band_idx;
209 mvif->mt76.wmm_idx = vif->type == NL80211_IFTYPE_AP ? 0 : 3;
210
211 ret = mt7996_mcu_add_dev_info(phy, vif, true);
212 if (ret)
213 goto out;
214
215 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx);
216 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
217
218 idx = MT7996_WTBL_RESERVED - mvif->mt76.idx;
219
220 INIT_LIST_HEAD(&mvif->sta.rc_list);
221 INIT_LIST_HEAD(&mvif->sta.wcid.poll_list);
222 mvif->sta.wcid.idx = idx;
223 mvif->sta.wcid.phy_idx = band_idx;
224 mvif->sta.wcid.hw_key_idx = -1;
225 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET;
226 mt76_wcid_init(&mvif->sta.wcid);
227
228 mt7996_mac_wtbl_update(dev, idx,
229 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
230
231 if (vif->txq) {
232 mtxq = (struct mt76_txq *)vif->txq->drv_priv;
233 mtxq->wcid = idx;
234 }
235
236 if (vif->type != NL80211_IFTYPE_AP &&
237 (!mvif->mt76.omac_idx || mvif->mt76.omac_idx > 3))
238 vif->offload_flags = 0;
239 vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR;
240
241 if (phy->mt76->chandef.chan->band != NL80211_BAND_2GHZ)
242 mvif->mt76.basic_rates_idx = MT7996_BASIC_RATES_TBL + 4;
243 else
244 mvif->mt76.basic_rates_idx = MT7996_BASIC_RATES_TBL;
245
246 mt7996_init_bitrate_mask(vif);
247
248 mt7996_mcu_add_bss_info(phy, vif, true);
249 /* defer the first STA_REC of BMC entry to BSS_CHANGED_BSSID for STA
250 * interface, since firmware only records BSSID when the entry is new
251 */
252 if (vif->type != NL80211_IFTYPE_STATION)
253 mt7996_mcu_add_sta(dev, vif, NULL, true, true);
254 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
255
256 out:
257 mutex_unlock(&dev->mt76.mutex);
258
259 return ret;
260 }
261
262 static void mt7996_remove_interface(struct ieee80211_hw *hw,
263 struct ieee80211_vif *vif)
264 {
265 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
266 struct mt7996_sta *msta = &mvif->sta;
267 struct mt7996_dev *dev = mt7996_hw_dev(hw);
268 struct mt7996_phy *phy = mt7996_hw_phy(hw);
269 int idx = msta->wcid.idx;
270
271 mt7996_mcu_add_sta(dev, vif, NULL, false, false);
272 mt7996_mcu_add_bss_info(phy, vif, false);
273
274 if (vif == phy->monitor_vif)
275 phy->monitor_vif = NULL;
276
277 mt7996_mcu_add_dev_info(phy, vif, false);
278
279 rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
280
281 mutex_lock(&dev->mt76.mutex);
282 dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx);
283 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
284 mutex_unlock(&dev->mt76.mutex);
285
286 spin_lock_bh(&dev->mt76.sta_poll_lock);
287 if (!list_empty(&msta->wcid.poll_list))
288 list_del_init(&msta->wcid.poll_list);
289 spin_unlock_bh(&dev->mt76.sta_poll_lock);
290
291 mt76_wcid_cleanup(&dev->mt76, &msta->wcid);
292 }
293
294 int mt7996_set_channel(struct mt76_phy *mphy)
295 {
296 struct mt7996_phy *phy = mphy->priv;
297 int ret;
298
299 ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_SWITCH);
300 if (ret)
301 goto out;
302
303 ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_RX_PATH);
304 if (ret)
305 goto out;
306
307 ret = mt7996_dfs_init_radar_detector(phy);
308 mt7996_mac_cca_stats_reset(phy);
309
310 mt7996_mac_reset_counters(phy);
311 phy->noise = 0;
312
313 out:
314 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work,
315 MT7996_WATCHDOG_TIME);
316
317 return ret;
318 }
319
320 static int mt7996_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
321 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
322 struct ieee80211_key_conf *key)
323 {
324 struct mt7996_dev *dev = mt7996_hw_dev(hw);
325 struct mt7996_phy *phy = mt7996_hw_phy(hw);
326 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
327 struct mt7996_sta *msta = sta ? (struct mt7996_sta *)sta->drv_priv :
328 &mvif->sta;
329 struct mt76_wcid *wcid = &msta->wcid;
330 u8 *wcid_keyidx = &wcid->hw_key_idx;
331 int idx = key->keyidx;
332 int err = 0;
333
334 /* The hardware does not support per-STA RX GTK, fallback
335 * to software mode for these.
336 */
337 if ((vif->type == NL80211_IFTYPE_ADHOC ||
338 vif->type == NL80211_IFTYPE_MESH_POINT) &&
339 (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
340 key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
341 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
342 return -EOPNOTSUPP;
343
344 /* fall back to sw encryption for unsupported ciphers */
345 switch (key->cipher) {
346 case WLAN_CIPHER_SUITE_TKIP:
347 case WLAN_CIPHER_SUITE_CCMP:
348 case WLAN_CIPHER_SUITE_CCMP_256:
349 case WLAN_CIPHER_SUITE_GCMP:
350 case WLAN_CIPHER_SUITE_GCMP_256:
351 case WLAN_CIPHER_SUITE_SMS4:
352 break;
353 case WLAN_CIPHER_SUITE_AES_CMAC:
354 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
355 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
356 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
357 if (key->keyidx == 6 || key->keyidx == 7) {
358 wcid_keyidx = &wcid->hw_key_idx2;
359 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
360 break;
361 }
362 fallthrough;
363 case WLAN_CIPHER_SUITE_WEP40:
364 case WLAN_CIPHER_SUITE_WEP104:
365 default:
366 return -EOPNOTSUPP;
367 }
368
369 mutex_lock(&dev->mt76.mutex);
370
371 if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) {
372 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher);
373 mt7996_mcu_add_bss_info(phy, vif, true);
374 }
375
376 if (cmd == SET_KEY) {
377 *wcid_keyidx = idx;
378 } else {
379 if (idx == *wcid_keyidx)
380 *wcid_keyidx = -1;
381 goto out;
382 }
383
384 mt76_wcid_key_setup(&dev->mt76, wcid, key);
385
386 if (key->keyidx == 6 || key->keyidx == 7)
387 err = mt7996_mcu_bcn_prot_enable(dev, vif, key);
388 else
389 err = mt7996_mcu_add_key(&dev->mt76, vif, key,
390 MCU_WMWA_UNI_CMD(STA_REC_UPDATE),
391 &msta->wcid, cmd);
392 out:
393 mutex_unlock(&dev->mt76.mutex);
394
395 return err;
396 }
397
398 static int mt7996_config(struct ieee80211_hw *hw, u32 changed)
399 {
400 struct mt7996_dev *dev = mt7996_hw_dev(hw);
401 struct mt7996_phy *phy = mt7996_hw_phy(hw);
402 int ret;
403
404 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
405 ret = mt76_update_channel(phy->mt76);
406 if (ret)
407 return ret;
408 }
409
410 if (changed & (IEEE80211_CONF_CHANGE_POWER |
411 IEEE80211_CONF_CHANGE_CHANNEL)) {
412 ret = mt7996_mcu_set_txpower_sku(phy);
413 if (ret)
414 return ret;
415 }
416
417 mutex_lock(&dev->mt76.mutex);
418
419 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
420 bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
421
422 if (!enabled)
423 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
424 else
425 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
426
427 mt76_rmw_field(dev, MT_DMA_DCR0(phy->mt76->band_idx),
428 MT_DMA_DCR0_RXD_G5_EN, enabled);
429 mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter);
430 }
431
432 mutex_unlock(&dev->mt76.mutex);
433
434 return 0;
435 }
436
437 static int
438 mt7996_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
439 unsigned int link_id, u16 queue,
440 const struct ieee80211_tx_queue_params *params)
441 {
442 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
443 static const u8 mq_to_aci[] = {
444 [IEEE80211_AC_VO] = 3,
445 [IEEE80211_AC_VI] = 2,
446 [IEEE80211_AC_BE] = 0,
447 [IEEE80211_AC_BK] = 1,
448 };
449
450 /* firmware uses access class index */
451 mvif->queue_params[mq_to_aci[queue]] = *params;
452 /* no need to update right away, we'll get BSS_CHANGED_QOS */
453
454 return 0;
455 }
456
457 static void mt7996_configure_filter(struct ieee80211_hw *hw,
458 unsigned int changed_flags,
459 unsigned int *total_flags,
460 u64 multicast)
461 {
462 struct mt7996_dev *dev = mt7996_hw_dev(hw);
463 struct mt7996_phy *phy = mt7996_hw_phy(hw);
464 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
465 MT_WF_RFCR1_DROP_BF_POLL |
466 MT_WF_RFCR1_DROP_BA |
467 MT_WF_RFCR1_DROP_CFEND |
468 MT_WF_RFCR1_DROP_CFACK;
469 u32 flags = 0;
470
471 #define MT76_FILTER(_flag, _hw) do { \
472 flags |= *total_flags & FIF_##_flag; \
473 phy->rxfilter &= ~(_hw); \
474 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \
475 } while (0)
476
477 mutex_lock(&dev->mt76.mutex);
478
479 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
480 MT_WF_RFCR_DROP_OTHER_BEACON |
481 MT_WF_RFCR_DROP_FRAME_REPORT |
482 MT_WF_RFCR_DROP_PROBEREQ |
483 MT_WF_RFCR_DROP_MCAST_FILTERED |
484 MT_WF_RFCR_DROP_MCAST |
485 MT_WF_RFCR_DROP_BCAST |
486 MT_WF_RFCR_DROP_DUPLICATE |
487 MT_WF_RFCR_DROP_A2_BSSID |
488 MT_WF_RFCR_DROP_UNWANTED_CTL |
489 MT_WF_RFCR_DROP_STBC_MULTI);
490
491 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
492 MT_WF_RFCR_DROP_A3_MAC |
493 MT_WF_RFCR_DROP_A3_BSSID);
494
495 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
496
497 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
498 MT_WF_RFCR_DROP_RTS |
499 MT_WF_RFCR_DROP_CTL_RSV |
500 MT_WF_RFCR_DROP_NDPA);
501
502 *total_flags = flags;
503 mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter);
504
505 if (*total_flags & FIF_CONTROL)
506 mt76_clear(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags);
507 else
508 mt76_set(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags);
509
510 mutex_unlock(&dev->mt76.mutex);
511 }
512
513 static void
514 mt7996_update_bss_color(struct ieee80211_hw *hw,
515 struct ieee80211_vif *vif,
516 struct cfg80211_he_bss_color *bss_color)
517 {
518 struct mt7996_dev *dev = mt7996_hw_dev(hw);
519
520 switch (vif->type) {
521 case NL80211_IFTYPE_AP: {
522 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
523
524 if (mvif->mt76.omac_idx > HW_BSSID_MAX)
525 return;
526 fallthrough;
527 }
528 case NL80211_IFTYPE_STATION:
529 mt7996_mcu_update_bss_color(dev, vif, bss_color);
530 break;
531 default:
532 break;
533 }
534 }
535
536 static u8
537 mt7996_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
538 bool beacon, bool mcast)
539 {
540 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
541 struct mt76_phy *mphy = hw->priv;
542 u16 rate;
543 u8 i, idx;
544
545 rate = mt76_connac2_mac_tx_rate_val(mphy, vif, beacon, mcast);
546
547 if (beacon) {
548 struct mt7996_phy *phy = mphy->priv;
549
550 /* odd index for driver, even index for firmware */
551 idx = MT7996_BEACON_RATES_TBL + 2 * phy->mt76->band_idx;
552 if (phy->beacon_rate != rate)
553 mt7996_mcu_set_fixed_rate_table(phy, idx, rate, beacon);
554
555 return idx;
556 }
557
558 idx = FIELD_GET(MT_TX_RATE_IDX, rate);
559 for (i = 0; i < ARRAY_SIZE(mt76_rates); i++)
560 if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx)
561 return MT7996_BASIC_RATES_TBL + 2 * i;
562
563 return mvif->basic_rates_idx;
564 }
565
566 static void
567 mt7996_update_mu_group(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
568 struct ieee80211_bss_conf *info)
569 {
570 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
571 struct mt7996_dev *dev = mt7996_hw_dev(hw);
572 u8 band = mvif->mt76.band_idx;
573 u32 *mu;
574
575 mu = (u32 *)info->mu_group.membership;
576 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_VLD0(band), mu[0]);
577 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_VLD1(band), mu[1]);
578
579 mu = (u32 *)info->mu_group.position;
580 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS0(band), mu[0]);
581 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS1(band), mu[1]);
582 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS2(band), mu[2]);
583 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS3(band), mu[3]);
584 }
585
586 static void mt7996_bss_info_changed(struct ieee80211_hw *hw,
587 struct ieee80211_vif *vif,
588 struct ieee80211_bss_conf *info,
589 u64 changed)
590 {
591 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
592 struct mt7996_phy *phy = mt7996_hw_phy(hw);
593 struct mt7996_dev *dev = mt7996_hw_dev(hw);
594
595 mutex_lock(&dev->mt76.mutex);
596
597 /* station mode uses BSSID to map the wlan entry to a peer,
598 * and then peer references bss_info_rfch to set bandwidth cap.
599 */
600 if ((changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid)) ||
601 (changed & BSS_CHANGED_ASSOC && vif->cfg.assoc) ||
602 (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon)) {
603 mt7996_mcu_add_bss_info(phy, vif, true);
604 mt7996_mcu_add_sta(dev, vif, NULL, true,
605 !!(changed & BSS_CHANGED_BSSID));
606 }
607
608 if (changed & BSS_CHANGED_ERP_CTS_PROT)
609 mt7996_mac_enable_rtscts(dev, vif, info->use_cts_prot);
610
611 if (changed & BSS_CHANGED_ERP_SLOT) {
612 int slottime = info->use_short_slot ? 9 : 20;
613
614 if (slottime != phy->slottime) {
615 phy->slottime = slottime;
616 mt7996_mcu_set_timing(phy, vif);
617 }
618 }
619
620 if (changed & BSS_CHANGED_MCAST_RATE)
621 mvif->mcast_rates_idx =
622 mt7996_get_rates_table(hw, vif, false, true);
623
624 if (changed & BSS_CHANGED_BASIC_RATES)
625 mvif->basic_rates_idx =
626 mt7996_get_rates_table(hw, vif, false, false);
627
628 /* ensure that enable txcmd_mode after bss_info */
629 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
630 mt7996_mcu_set_tx(dev, vif);
631
632 if (changed & BSS_CHANGED_HE_OBSS_PD)
633 mt7996_mcu_add_obss_spr(phy, vif, &info->he_obss_pd);
634
635 if (changed & BSS_CHANGED_HE_BSS_COLOR)
636 mt7996_update_bss_color(hw, vif, &info->he_bss_color);
637
638 if (changed & (BSS_CHANGED_BEACON |
639 BSS_CHANGED_BEACON_ENABLED)) {
640 mvif->beacon_rates_idx =
641 mt7996_get_rates_table(hw, vif, true, false);
642
643 mt7996_mcu_add_beacon(hw, vif, info->enable_beacon);
644 }
645
646 if (changed & (BSS_CHANGED_UNSOL_BCAST_PROBE_RESP |
647 BSS_CHANGED_FILS_DISCOVERY))
648 mt7996_mcu_beacon_inband_discov(dev, vif, changed);
649
650 if (changed & BSS_CHANGED_MU_GROUPS)
651 mt7996_update_mu_group(hw, vif, info);
652
653 mutex_unlock(&dev->mt76.mutex);
654 }
655
656 static void
657 mt7996_channel_switch_beacon(struct ieee80211_hw *hw,
658 struct ieee80211_vif *vif,
659 struct cfg80211_chan_def *chandef)
660 {
661 struct mt7996_dev *dev = mt7996_hw_dev(hw);
662
663 mutex_lock(&dev->mt76.mutex);
664 mt7996_mcu_add_beacon(hw, vif, true);
665 mutex_unlock(&dev->mt76.mutex);
666 }
667
668 int mt7996_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
669 struct ieee80211_sta *sta)
670 {
671 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76);
672 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
673 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
674 u8 band_idx = mvif->phy->mt76->band_idx;
675 int ret, idx;
676
677 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7996_WTBL_STA);
678 if (idx < 0)
679 return -ENOSPC;
680
681 INIT_LIST_HEAD(&msta->rc_list);
682 INIT_LIST_HEAD(&msta->wcid.poll_list);
683 msta->vif = mvif;
684 msta->wcid.sta = 1;
685 msta->wcid.idx = idx;
686 msta->wcid.phy_idx = band_idx;
687 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
688
689 ewma_avg_signal_init(&msta->avg_ack_signal);
690
691 mt7996_mac_wtbl_update(dev, idx,
692 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
693
694 ret = mt7996_mcu_add_sta(dev, vif, sta, true, true);
695 if (ret)
696 return ret;
697
698 return mt7996_mcu_add_rate_ctrl(dev, vif, sta, false);
699 }
700
701 void mt7996_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
702 struct ieee80211_sta *sta)
703 {
704 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76);
705 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
706 int i;
707
708 mt7996_mcu_add_sta(dev, vif, sta, false, false);
709
710 mt7996_mac_wtbl_update(dev, msta->wcid.idx,
711 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
712
713 for (i = 0; i < ARRAY_SIZE(msta->twt.flow); i++)
714 mt7996_mac_twt_teardown_flow(dev, msta, i);
715
716 spin_lock_bh(&mdev->sta_poll_lock);
717 if (!list_empty(&msta->wcid.poll_list))
718 list_del_init(&msta->wcid.poll_list);
719 if (!list_empty(&msta->rc_list))
720 list_del_init(&msta->rc_list);
721 spin_unlock_bh(&mdev->sta_poll_lock);
722 }
723
724 static void mt7996_tx(struct ieee80211_hw *hw,
725 struct ieee80211_tx_control *control,
726 struct sk_buff *skb)
727 {
728 struct mt7996_dev *dev = mt7996_hw_dev(hw);
729 struct mt76_phy *mphy = hw->priv;
730 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
731 struct ieee80211_vif *vif = info->control.vif;
732 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
733
734 if (control->sta) {
735 struct mt7996_sta *sta;
736
737 sta = (struct mt7996_sta *)control->sta->drv_priv;
738 wcid = &sta->wcid;
739 }
740
741 if (vif && !control->sta) {
742 struct mt7996_vif *mvif;
743
744 mvif = (struct mt7996_vif *)vif->drv_priv;
745 wcid = &mvif->sta.wcid;
746 }
747
748 mt76_tx(mphy, control->sta, wcid, skb);
749 }
750
751 static int mt7996_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
752 {
753 struct mt7996_phy *phy = mt7996_hw_phy(hw);
754 int ret;
755
756 mutex_lock(&phy->dev->mt76.mutex);
757 ret = mt7996_mcu_set_rts_thresh(phy, val);
758 mutex_unlock(&phy->dev->mt76.mutex);
759
760 return ret;
761 }
762
763 static int
764 mt7996_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
765 struct ieee80211_ampdu_params *params)
766 {
767 enum ieee80211_ampdu_mlme_action action = params->action;
768 struct mt7996_dev *dev = mt7996_hw_dev(hw);
769 struct ieee80211_sta *sta = params->sta;
770 struct ieee80211_txq *txq = sta->txq[params->tid];
771 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
772 u16 tid = params->tid;
773 u16 ssn = params->ssn;
774 struct mt76_txq *mtxq;
775 int ret = 0;
776
777 if (!txq)
778 return -EINVAL;
779
780 mtxq = (struct mt76_txq *)txq->drv_priv;
781
782 mutex_lock(&dev->mt76.mutex);
783 switch (action) {
784 case IEEE80211_AMPDU_RX_START:
785 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
786 params->buf_size);
787 ret = mt7996_mcu_add_rx_ba(dev, params, true);
788 break;
789 case IEEE80211_AMPDU_RX_STOP:
790 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
791 ret = mt7996_mcu_add_rx_ba(dev, params, false);
792 break;
793 case IEEE80211_AMPDU_TX_OPERATIONAL:
794 mtxq->aggr = true;
795 mtxq->send_bar = false;
796 ret = mt7996_mcu_add_tx_ba(dev, params, true);
797 break;
798 case IEEE80211_AMPDU_TX_STOP_FLUSH:
799 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
800 mtxq->aggr = false;
801 clear_bit(tid, &msta->wcid.ampdu_state);
802 ret = mt7996_mcu_add_tx_ba(dev, params, false);
803 break;
804 case IEEE80211_AMPDU_TX_START:
805 set_bit(tid, &msta->wcid.ampdu_state);
806 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
807 break;
808 case IEEE80211_AMPDU_TX_STOP_CONT:
809 mtxq->aggr = false;
810 clear_bit(tid, &msta->wcid.ampdu_state);
811 ret = mt7996_mcu_add_tx_ba(dev, params, false);
812 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
813 break;
814 }
815 mutex_unlock(&dev->mt76.mutex);
816
817 return ret;
818 }
819
820 static int
821 mt7996_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
822 struct ieee80211_sta *sta)
823 {
824 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST,
825 IEEE80211_STA_NONE);
826 }
827
828 static int
829 mt7996_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
830 struct ieee80211_sta *sta)
831 {
832 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE,
833 IEEE80211_STA_NOTEXIST);
834 }
835
836 static int
837 mt7996_get_stats(struct ieee80211_hw *hw,
838 struct ieee80211_low_level_stats *stats)
839 {
840 struct mt7996_phy *phy = mt7996_hw_phy(hw);
841 struct mt7996_dev *dev = mt7996_hw_dev(hw);
842 struct mt76_mib_stats *mib = &phy->mib;
843
844 mutex_lock(&dev->mt76.mutex);
845
846 stats->dot11RTSSuccessCount = mib->rts_cnt;
847 stats->dot11RTSFailureCount = mib->rts_retries_cnt;
848 stats->dot11FCSErrorCount = mib->fcs_err_cnt;
849 stats->dot11ACKFailureCount = mib->ack_fail_cnt;
850
851 mutex_unlock(&dev->mt76.mutex);
852
853 return 0;
854 }
855
856 u64 __mt7996_get_tsf(struct ieee80211_hw *hw, struct mt7996_vif *mvif)
857 {
858 struct mt7996_dev *dev = mt7996_hw_dev(hw);
859 struct mt7996_phy *phy = mt7996_hw_phy(hw);
860 union {
861 u64 t64;
862 u32 t32[2];
863 } tsf;
864 u16 n;
865
866 lockdep_assert_held(&dev->mt76.mutex);
867
868 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0
869 : mvif->mt76.omac_idx;
870 /* TSF software read */
871 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE,
872 MT_LPON_TCR_SW_READ);
873 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(phy->mt76->band_idx));
874 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(phy->mt76->band_idx));
875
876 return tsf.t64;
877 }
878
879 static u64
880 mt7996_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
881 {
882 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
883 struct mt7996_dev *dev = mt7996_hw_dev(hw);
884 u64 ret;
885
886 mutex_lock(&dev->mt76.mutex);
887 ret = __mt7996_get_tsf(hw, mvif);
888 mutex_unlock(&dev->mt76.mutex);
889
890 return ret;
891 }
892
893 static void
894 mt7996_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
895 u64 timestamp)
896 {
897 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
898 struct mt7996_dev *dev = mt7996_hw_dev(hw);
899 struct mt7996_phy *phy = mt7996_hw_phy(hw);
900 union {
901 u64 t64;
902 u32 t32[2];
903 } tsf = { .t64 = timestamp, };
904 u16 n;
905
906 mutex_lock(&dev->mt76.mutex);
907
908 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0
909 : mvif->mt76.omac_idx;
910 mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]);
911 mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]);
912 /* TSF software overwrite */
913 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE,
914 MT_LPON_TCR_SW_WRITE);
915
916 mutex_unlock(&dev->mt76.mutex);
917 }
918
919 static void
920 mt7996_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
921 s64 timestamp)
922 {
923 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
924 struct mt7996_dev *dev = mt7996_hw_dev(hw);
925 struct mt7996_phy *phy = mt7996_hw_phy(hw);
926 union {
927 u64 t64;
928 u32 t32[2];
929 } tsf = { .t64 = timestamp, };
930 u16 n;
931
932 mutex_lock(&dev->mt76.mutex);
933
934 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0
935 : mvif->mt76.omac_idx;
936 mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]);
937 mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]);
938 /* TSF software adjust*/
939 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE,
940 MT_LPON_TCR_SW_ADJUST);
941
942 mutex_unlock(&dev->mt76.mutex);
943 }
944
945 static void
946 mt7996_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
947 {
948 struct mt7996_phy *phy = mt7996_hw_phy(hw);
949 struct mt7996_dev *dev = phy->dev;
950
951 mutex_lock(&dev->mt76.mutex);
952 phy->coverage_class = max_t(s16, coverage_class, 0);
953 mt7996_mac_set_coverage_class(phy);
954 mutex_unlock(&dev->mt76.mutex);
955 }
956
957 static int
958 mt7996_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
959 {
960 struct mt7996_dev *dev = mt7996_hw_dev(hw);
961 struct mt7996_phy *phy = mt7996_hw_phy(hw);
962 int max_nss = hweight8(hw->wiphy->available_antennas_tx);
963 u8 band_idx = phy->mt76->band_idx, shift = dev->chainshift[band_idx];
964
965 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
966 return -EINVAL;
967
968 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
969 tx_ant = BIT(ffs(tx_ant) - 1) - 1;
970
971 mutex_lock(&dev->mt76.mutex);
972
973 phy->mt76->antenna_mask = tx_ant;
974
975 /* restore to the origin chainmask which might have auxiliary path */
976 if (hweight8(tx_ant) == max_nss && band_idx < MT_BAND2)
977 phy->mt76->chainmask = ((dev->chainmask >> shift) &
978 (BIT(dev->chainshift[band_idx + 1] - shift) - 1)) << shift;
979 else if (hweight8(tx_ant) == max_nss)
980 phy->mt76->chainmask = (dev->chainmask >> shift) << shift;
981 else
982 phy->mt76->chainmask = tx_ant << shift;
983
984 mt76_set_stream_caps(phy->mt76, true);
985 mt7996_set_stream_vht_txbf_caps(phy);
986 mt7996_set_stream_he_eht_caps(phy);
987 mt7996_mcu_set_txpower_sku(phy);
988
989 mutex_unlock(&dev->mt76.mutex);
990
991 return 0;
992 }
993
994 static void mt7996_sta_statistics(struct ieee80211_hw *hw,
995 struct ieee80211_vif *vif,
996 struct ieee80211_sta *sta,
997 struct station_info *sinfo)
998 {
999 struct mt7996_phy *phy = mt7996_hw_phy(hw);
1000 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1001 struct rate_info *txrate = &msta->wcid.rate;
1002
1003 if (txrate->legacy || txrate->flags) {
1004 if (txrate->legacy) {
1005 sinfo->txrate.legacy = txrate->legacy;
1006 } else {
1007 sinfo->txrate.mcs = txrate->mcs;
1008 sinfo->txrate.nss = txrate->nss;
1009 sinfo->txrate.bw = txrate->bw;
1010 sinfo->txrate.he_gi = txrate->he_gi;
1011 sinfo->txrate.he_dcm = txrate->he_dcm;
1012 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc;
1013 sinfo->txrate.eht_gi = txrate->eht_gi;
1014 }
1015 sinfo->txrate.flags = txrate->flags;
1016 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
1017 }
1018 sinfo->txrate.flags = txrate->flags;
1019 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
1020
1021 sinfo->tx_failed = msta->wcid.stats.tx_failed;
1022 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED);
1023
1024 sinfo->tx_retries = msta->wcid.stats.tx_retries;
1025 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_RETRIES);
1026
1027 sinfo->ack_signal = (s8)msta->ack_signal;
1028 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL);
1029
1030 sinfo->avg_ack_signal = -(s8)ewma_avg_signal_read(&msta->avg_ack_signal);
1031 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG);
1032
1033 if (mtk_wed_device_active(&phy->dev->mt76.mmio.wed)) {
1034 sinfo->tx_bytes = msta->wcid.stats.tx_bytes;
1035 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BYTES64);
1036
1037 sinfo->rx_bytes = msta->wcid.stats.rx_bytes;
1038 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BYTES64);
1039
1040 sinfo->tx_packets = msta->wcid.stats.tx_packets;
1041 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS);
1042
1043 sinfo->rx_packets = msta->wcid.stats.rx_packets;
1044 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS);
1045 }
1046 }
1047
1048 static void mt7996_sta_rc_work(void *data, struct ieee80211_sta *sta)
1049 {
1050 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1051 struct mt7996_dev *dev = msta->vif->phy->dev;
1052 u32 *changed = data;
1053
1054 spin_lock_bh(&dev->mt76.sta_poll_lock);
1055 msta->changed |= *changed;
1056 if (list_empty(&msta->rc_list))
1057 list_add_tail(&msta->rc_list, &dev->sta_rc_list);
1058 spin_unlock_bh(&dev->mt76.sta_poll_lock);
1059 }
1060
1061 static void mt7996_sta_rc_update(struct ieee80211_hw *hw,
1062 struct ieee80211_vif *vif,
1063 struct ieee80211_link_sta *link_sta,
1064 u32 changed)
1065 {
1066 struct ieee80211_sta *sta = link_sta->sta;
1067 struct mt7996_phy *phy = mt7996_hw_phy(hw);
1068 struct mt7996_dev *dev = phy->dev;
1069
1070 mt7996_sta_rc_work(&changed, sta);
1071 ieee80211_queue_work(hw, &dev->rc_work);
1072 }
1073
1074 static int
1075 mt7996_set_bitrate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1076 const struct cfg80211_bitrate_mask *mask)
1077 {
1078 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
1079 struct mt7996_phy *phy = mt7996_hw_phy(hw);
1080 struct mt7996_dev *dev = phy->dev;
1081 u32 changed = IEEE80211_RC_SUPP_RATES_CHANGED;
1082
1083 mvif->bitrate_mask = *mask;
1084
1085 /* if multiple rates across different preambles are given we can
1086 * reconfigure this info with all peers using sta_rec command with
1087 * the below exception cases.
1088 * - single rate : if a rate is passed along with different preambles,
1089 * we select the highest one as fixed rate. i.e VHT MCS for VHT peers.
1090 * - multiple rates: if it's not in range format i.e 0-{7,8,9} for VHT
1091 * then multiple MCS setting (MCS 4,5,6) is not supported.
1092 */
1093 ieee80211_iterate_stations_atomic(hw, mt7996_sta_rc_work, &changed);
1094 ieee80211_queue_work(hw, &dev->rc_work);
1095
1096 return 0;
1097 }
1098
1099 static void mt7996_sta_set_4addr(struct ieee80211_hw *hw,
1100 struct ieee80211_vif *vif,
1101 struct ieee80211_sta *sta,
1102 bool enabled)
1103 {
1104 struct mt7996_dev *dev = mt7996_hw_dev(hw);
1105 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1106
1107 if (enabled)
1108 set_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags);
1109 else
1110 clear_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags);
1111
1112 mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta);
1113 }
1114
1115 static void mt7996_sta_set_decap_offload(struct ieee80211_hw *hw,
1116 struct ieee80211_vif *vif,
1117 struct ieee80211_sta *sta,
1118 bool enabled)
1119 {
1120 struct mt7996_dev *dev = mt7996_hw_dev(hw);
1121 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1122
1123 if (enabled)
1124 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1125 else
1126 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1127
1128 mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta);
1129 }
1130
1131 static const char mt7996_gstrings_stats[][ETH_GSTRING_LEN] = {
1132 "tx_ampdu_cnt",
1133 "tx_stop_q_empty_cnt",
1134 "tx_mpdu_attempts",
1135 "tx_mpdu_success",
1136 "tx_rwp_fail_cnt",
1137 "tx_rwp_need_cnt",
1138 "tx_pkt_ebf_cnt",
1139 "tx_pkt_ibf_cnt",
1140 "tx_ampdu_len:0-1",
1141 "tx_ampdu_len:2-10",
1142 "tx_ampdu_len:11-19",
1143 "tx_ampdu_len:20-28",
1144 "tx_ampdu_len:29-37",
1145 "tx_ampdu_len:38-46",
1146 "tx_ampdu_len:47-55",
1147 "tx_ampdu_len:56-79",
1148 "tx_ampdu_len:80-103",
1149 "tx_ampdu_len:104-127",
1150 "tx_ampdu_len:128-151",
1151 "tx_ampdu_len:152-175",
1152 "tx_ampdu_len:176-199",
1153 "tx_ampdu_len:200-223",
1154 "tx_ampdu_len:224-247",
1155 "ba_miss_count",
1156 "tx_beamformer_ppdu_iBF",
1157 "tx_beamformer_ppdu_eBF",
1158 "tx_beamformer_rx_feedback_all",
1159 "tx_beamformer_rx_feedback_he",
1160 "tx_beamformer_rx_feedback_vht",
1161 "tx_beamformer_rx_feedback_ht",
1162 "tx_beamformer_rx_feedback_bw", /* zero based idx: 20, 40, 80, 160 */
1163 "tx_beamformer_rx_feedback_nc",
1164 "tx_beamformer_rx_feedback_nr",
1165 "tx_beamformee_ok_feedback_pkts",
1166 "tx_beamformee_feedback_trig",
1167 "tx_mu_beamforming",
1168 "tx_mu_mpdu",
1169 "tx_mu_successful_mpdu",
1170 "tx_su_successful_mpdu",
1171 "tx_msdu_pack_1",
1172 "tx_msdu_pack_2",
1173 "tx_msdu_pack_3",
1174 "tx_msdu_pack_4",
1175 "tx_msdu_pack_5",
1176 "tx_msdu_pack_6",
1177 "tx_msdu_pack_7",
1178 "tx_msdu_pack_8",
1179
1180 /* rx counters */
1181 "rx_fifo_full_cnt",
1182 "rx_mpdu_cnt",
1183 "channel_idle_cnt",
1184 "rx_vector_mismatch_cnt",
1185 "rx_delimiter_fail_cnt",
1186 "rx_len_mismatch_cnt",
1187 "rx_ampdu_cnt",
1188 "rx_ampdu_bytes_cnt",
1189 "rx_ampdu_valid_subframe_cnt",
1190 "rx_ampdu_valid_subframe_b_cnt",
1191 "rx_pfdrop_cnt",
1192 "rx_vec_queue_overflow_drop_cnt",
1193 "rx_ba_cnt",
1194
1195 /* per vif counters */
1196 "v_tx_mode_cck",
1197 "v_tx_mode_ofdm",
1198 "v_tx_mode_ht",
1199 "v_tx_mode_ht_gf",
1200 "v_tx_mode_vht",
1201 "v_tx_mode_he_su",
1202 "v_tx_mode_he_ext_su",
1203 "v_tx_mode_he_tb",
1204 "v_tx_mode_he_mu",
1205 "v_tx_mode_eht_su",
1206 "v_tx_mode_eht_trig",
1207 "v_tx_mode_eht_mu",
1208 "v_tx_bw_20",
1209 "v_tx_bw_40",
1210 "v_tx_bw_80",
1211 "v_tx_bw_160",
1212 "v_tx_bw_320",
1213 "v_tx_mcs_0",
1214 "v_tx_mcs_1",
1215 "v_tx_mcs_2",
1216 "v_tx_mcs_3",
1217 "v_tx_mcs_4",
1218 "v_tx_mcs_5",
1219 "v_tx_mcs_6",
1220 "v_tx_mcs_7",
1221 "v_tx_mcs_8",
1222 "v_tx_mcs_9",
1223 "v_tx_mcs_10",
1224 "v_tx_mcs_11",
1225 "v_tx_mcs_12",
1226 "v_tx_mcs_13",
1227 "v_tx_nss_1",
1228 "v_tx_nss_2",
1229 "v_tx_nss_3",
1230 "v_tx_nss_4",
1231 };
1232
1233 #define MT7996_SSTATS_LEN ARRAY_SIZE(mt7996_gstrings_stats)
1234
1235 /* Ethtool related API */
1236 static
1237 void mt7996_get_et_strings(struct ieee80211_hw *hw,
1238 struct ieee80211_vif *vif,
1239 u32 sset, u8 *data)
1240 {
1241 if (sset == ETH_SS_STATS)
1242 memcpy(data, mt7996_gstrings_stats,
1243 sizeof(mt7996_gstrings_stats));
1244 }
1245
1246 static
1247 int mt7996_get_et_sset_count(struct ieee80211_hw *hw,
1248 struct ieee80211_vif *vif, int sset)
1249 {
1250 if (sset == ETH_SS_STATS)
1251 return MT7996_SSTATS_LEN;
1252
1253 return 0;
1254 }
1255
1256 static void mt7996_ethtool_worker(void *wi_data, struct ieee80211_sta *sta)
1257 {
1258 struct mt76_ethtool_worker_info *wi = wi_data;
1259 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1260
1261 if (msta->vif->mt76.idx != wi->idx)
1262 return;
1263
1264 mt76_ethtool_worker(wi, &msta->wcid.stats, true);
1265 }
1266
1267 static
1268 void mt7996_get_et_stats(struct ieee80211_hw *hw,
1269 struct ieee80211_vif *vif,
1270 struct ethtool_stats *stats, u64 *data)
1271 {
1272 struct mt7996_dev *dev = mt7996_hw_dev(hw);
1273 struct mt7996_phy *phy = mt7996_hw_phy(hw);
1274 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
1275 struct mt76_mib_stats *mib = &phy->mib;
1276 struct mt76_ethtool_worker_info wi = {
1277 .data = data,
1278 .idx = mvif->mt76.idx,
1279 };
1280 /* See mt7996_ampdu_stat_read_phy, etc */
1281 int i, ei = 0;
1282
1283 mutex_lock(&dev->mt76.mutex);
1284
1285 mt7996_mac_update_stats(phy);
1286
1287 data[ei++] = mib->tx_ampdu_cnt;
1288 data[ei++] = mib->tx_stop_q_empty_cnt;
1289 data[ei++] = mib->tx_mpdu_attempts_cnt;
1290 data[ei++] = mib->tx_mpdu_success_cnt;
1291 data[ei++] = mib->tx_rwp_fail_cnt;
1292 data[ei++] = mib->tx_rwp_need_cnt;
1293 data[ei++] = mib->tx_bf_ebf_ppdu_cnt;
1294 data[ei++] = mib->tx_bf_ibf_ppdu_cnt;
1295
1296 /* Tx ampdu stat */
1297 for (i = 0; i < 15 /*ARRAY_SIZE(bound)*/; i++)
1298 data[ei++] = phy->mt76->aggr_stats[i];
1299 data[ei++] = phy->mib.ba_miss_cnt;
1300
1301 /* Tx Beamformer monitor */
1302 data[ei++] = mib->tx_bf_ibf_ppdu_cnt;
1303 data[ei++] = mib->tx_bf_ebf_ppdu_cnt;
1304
1305 /* Tx Beamformer Rx feedback monitor */
1306 data[ei++] = mib->tx_bf_rx_fb_all_cnt;
1307 data[ei++] = mib->tx_bf_rx_fb_he_cnt;
1308 data[ei++] = mib->tx_bf_rx_fb_vht_cnt;
1309 data[ei++] = mib->tx_bf_rx_fb_ht_cnt;
1310
1311 data[ei++] = mib->tx_bf_rx_fb_bw;
1312 data[ei++] = mib->tx_bf_rx_fb_nc_cnt;
1313 data[ei++] = mib->tx_bf_rx_fb_nr_cnt;
1314
1315 /* Tx Beamformee Rx NDPA & Tx feedback report */
1316 data[ei++] = mib->tx_bf_fb_cpl_cnt;
1317 data[ei++] = mib->tx_bf_fb_trig_cnt;
1318
1319 /* Tx SU & MU counters */
1320 data[ei++] = mib->tx_mu_bf_cnt;
1321 data[ei++] = mib->tx_mu_mpdu_cnt;
1322 data[ei++] = mib->tx_mu_acked_mpdu_cnt;
1323 data[ei++] = mib->tx_su_acked_mpdu_cnt;
1324
1325 /* Tx amsdu info (pack-count histogram) */
1326 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++)
1327 data[ei++] = mib->tx_amsdu[i];
1328
1329 /* rx counters */
1330 data[ei++] = mib->rx_fifo_full_cnt;
1331 data[ei++] = mib->rx_mpdu_cnt;
1332 data[ei++] = mib->channel_idle_cnt;
1333 data[ei++] = mib->rx_vector_mismatch_cnt;
1334 data[ei++] = mib->rx_delimiter_fail_cnt;
1335 data[ei++] = mib->rx_len_mismatch_cnt;
1336 data[ei++] = mib->rx_ampdu_cnt;
1337 data[ei++] = mib->rx_ampdu_bytes_cnt;
1338 data[ei++] = mib->rx_ampdu_valid_subframe_cnt;
1339 data[ei++] = mib->rx_ampdu_valid_subframe_bytes_cnt;
1340 data[ei++] = mib->rx_pfdrop_cnt;
1341 data[ei++] = mib->rx_vec_queue_overflow_drop_cnt;
1342 data[ei++] = mib->rx_ba_cnt;
1343
1344 /* Add values for all stations owned by this vif */
1345 wi.initial_stat_idx = ei;
1346 ieee80211_iterate_stations_atomic(hw, mt7996_ethtool_worker, &wi);
1347
1348 mutex_unlock(&dev->mt76.mutex);
1349
1350 if (wi.sta_count == 0)
1351 return;
1352
1353 ei += wi.worker_stat_count;
1354 if (ei != MT7996_SSTATS_LEN)
1355 dev_err(dev->mt76.dev, "ei: %d MT7996_SSTATS_LEN: %d",
1356 ei, (int)MT7996_SSTATS_LEN);
1357 }
1358
1359 static void
1360 mt7996_twt_teardown_request(struct ieee80211_hw *hw,
1361 struct ieee80211_sta *sta,
1362 u8 flowid)
1363 {
1364 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1365 struct mt7996_dev *dev = mt7996_hw_dev(hw);
1366
1367 mutex_lock(&dev->mt76.mutex);
1368 mt7996_mac_twt_teardown_flow(dev, msta, flowid);
1369 mutex_unlock(&dev->mt76.mutex);
1370 }
1371
1372 static int
1373 mt7996_set_radar_background(struct ieee80211_hw *hw,
1374 struct cfg80211_chan_def *chandef)
1375 {
1376 struct mt7996_phy *phy = mt7996_hw_phy(hw);
1377 struct mt7996_dev *dev = phy->dev;
1378 int ret = -EINVAL;
1379 bool running;
1380
1381 mutex_lock(&dev->mt76.mutex);
1382
1383 if (dev->mt76.region == NL80211_DFS_UNSET)
1384 goto out;
1385
1386 if (dev->rdd2_phy && dev->rdd2_phy != phy) {
1387 /* rdd2 is already locked */
1388 ret = -EBUSY;
1389 goto out;
1390 }
1391
1392 /* rdd2 already configured on a radar channel */
1393 running = dev->rdd2_phy &&
1394 cfg80211_chandef_valid(&dev->rdd2_chandef) &&
1395 !!(dev->rdd2_chandef.chan->flags & IEEE80211_CHAN_RADAR);
1396
1397 if (!chandef || running ||
1398 !(chandef->chan->flags & IEEE80211_CHAN_RADAR)) {
1399 ret = mt7996_mcu_rdd_background_enable(phy, NULL);
1400 if (ret)
1401 goto out;
1402
1403 if (!running)
1404 goto update_phy;
1405 }
1406
1407 ret = mt7996_mcu_rdd_background_enable(phy, chandef);
1408 if (ret)
1409 goto out;
1410
1411 update_phy:
1412 dev->rdd2_phy = chandef ? phy : NULL;
1413 if (chandef)
1414 dev->rdd2_chandef = *chandef;
1415 out:
1416 mutex_unlock(&dev->mt76.mutex);
1417
1418 return ret;
1419 }
1420
1421 #ifdef CONFIG_NET_MEDIATEK_SOC_WED
1422 static int
1423 mt7996_net_fill_forward_path(struct ieee80211_hw *hw,
1424 struct ieee80211_vif *vif,
1425 struct ieee80211_sta *sta,
1426 struct net_device_path_ctx *ctx,
1427 struct net_device_path *path)
1428 {
1429 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
1430 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1431 struct mt7996_dev *dev = mt7996_hw_dev(hw);
1432 struct mt7996_phy *phy = mt7996_hw_phy(hw);
1433 struct mtk_wed_device *wed = &dev->mt76.mmio.wed;
1434
1435 if (phy != &dev->phy && phy->mt76->band_idx == MT_BAND2)
1436 wed = &dev->mt76.mmio.wed_hif2;
1437
1438 if (!mtk_wed_device_active(wed))
1439 return -ENODEV;
1440
1441 if (msta->wcid.idx > MT7996_WTBL_STA)
1442 return -EIO;
1443
1444 path->type = DEV_PATH_MTK_WDMA;
1445 path->dev = ctx->dev;
1446 path->mtk_wdma.wdma_idx = wed->wdma_idx;
1447 path->mtk_wdma.bss = mvif->mt76.idx;
1448 path->mtk_wdma.queue = 0;
1449 path->mtk_wdma.wcid = msta->wcid.idx;
1450
1451 path->mtk_wdma.amsdu = mtk_wed_is_amsdu_supported(wed);
1452 ctx->dev = NULL;
1453
1454 return 0;
1455 }
1456
1457 #endif
1458
1459 const struct ieee80211_ops mt7996_ops = {
1460 .add_chanctx = ieee80211_emulate_add_chanctx,
1461 .remove_chanctx = ieee80211_emulate_remove_chanctx,
1462 .change_chanctx = ieee80211_emulate_change_chanctx,
1463 .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,
1464 .tx = mt7996_tx,
1465 .start = mt7996_start,
1466 .stop = mt7996_stop,
1467 .add_interface = mt7996_add_interface,
1468 .remove_interface = mt7996_remove_interface,
1469 .config = mt7996_config,
1470 .conf_tx = mt7996_conf_tx,
1471 .configure_filter = mt7996_configure_filter,
1472 .bss_info_changed = mt7996_bss_info_changed,
1473 .sta_add = mt7996_sta_add,
1474 .sta_remove = mt7996_sta_remove,
1475 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
1476 .link_sta_rc_update = mt7996_sta_rc_update,
1477 .set_key = mt7996_set_key,
1478 .ampdu_action = mt7996_ampdu_action,
1479 .set_rts_threshold = mt7996_set_rts_threshold,
1480 .wake_tx_queue = mt76_wake_tx_queue,
1481 .sw_scan_start = mt76_sw_scan,
1482 .sw_scan_complete = mt76_sw_scan_complete,
1483 .release_buffered_frames = mt76_release_buffered_frames,
1484 .get_txpower = mt76_get_txpower,
1485 .channel_switch_beacon = mt7996_channel_switch_beacon,
1486 .get_stats = mt7996_get_stats,
1487 .get_et_sset_count = mt7996_get_et_sset_count,
1488 .get_et_stats = mt7996_get_et_stats,
1489 .get_et_strings = mt7996_get_et_strings,
1490 .get_tsf = mt7996_get_tsf,
1491 .set_tsf = mt7996_set_tsf,
1492 .offset_tsf = mt7996_offset_tsf,
1493 .get_survey = mt76_get_survey,
1494 .get_antenna = mt76_get_antenna,
1495 .set_antenna = mt7996_set_antenna,
1496 .set_bitrate_mask = mt7996_set_bitrate_mask,
1497 .set_coverage_class = mt7996_set_coverage_class,
1498 .sta_statistics = mt7996_sta_statistics,
1499 .sta_set_4addr = mt7996_sta_set_4addr,
1500 .sta_set_decap_offload = mt7996_sta_set_decap_offload,
1501 .add_twt_setup = mt7996_mac_add_twt_setup,
1502 .twt_teardown_request = mt7996_twt_teardown_request,
1503 #ifdef CONFIG_MAC80211_DEBUGFS
1504 .sta_add_debugfs = mt7996_sta_add_debugfs,
1505 #endif
1506 .set_radar_background = mt7996_set_radar_background,
1507 #ifdef CONFIG_NET_MEDIATEK_SOC_WED
1508 .net_fill_forward_path = mt7996_net_fill_forward_path,
1509 .net_setup_tc = mt76_wed_net_setup_tc,
1510 #endif
1511 };
Kernel DRM miscellaneous fixes and cross-tree changes