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
mt7996_dev_running(struct mt7996_dev * dev)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
mt7996_run(struct ieee80211_hw * hw)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
40 mt7996_mac_enable_nf(dev, phy->mt76->band_idx);
41
42 ret = mt7996_mcu_set_rts_thresh(phy, 0x92b);
43 if (ret)
44 goto out;
45
46 ret = mt7996_mcu_set_radio_en(phy, true);
47 if (ret)
48 goto out;
49
50 ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_RX_PATH);
51 if (ret)
52 goto out;
53
54 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
55
56 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
57 MT7996_WATCHDOG_TIME);
58
59 if (!running)
60 mt7996_mac_reset_counters(phy);
61
62 out:
63 return ret;
64 }
65
mt7996_start(struct ieee80211_hw * hw)66 static int mt7996_start(struct ieee80211_hw *hw)
67 {
68 struct mt7996_dev *dev = mt7996_hw_dev(hw);
69 int ret;
70
71 flush_work(&dev->init_work);
72
73 mutex_lock(&dev->mt76.mutex);
74 ret = mt7996_run(hw);
75 mutex_unlock(&dev->mt76.mutex);
76
77 return ret;
78 }
79
mt7996_stop(struct ieee80211_hw * hw)80 static void mt7996_stop(struct ieee80211_hw *hw)
81 {
82 struct mt7996_dev *dev = mt7996_hw_dev(hw);
83 struct mt7996_phy *phy = mt7996_hw_phy(hw);
84
85 cancel_delayed_work_sync(&phy->mt76->mac_work);
86
87 mutex_lock(&dev->mt76.mutex);
88
89 mt7996_mcu_set_radio_en(phy, false);
90
91 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
92
93 mutex_unlock(&dev->mt76.mutex);
94 }
95
get_free_idx(u32 mask,u8 start,u8 end)96 static inline int get_free_idx(u32 mask, u8 start, u8 end)
97 {
98 return ffs(~mask & GENMASK(end, start));
99 }
100
get_omac_idx(enum nl80211_iftype type,u64 mask)101 static int get_omac_idx(enum nl80211_iftype type, u64 mask)
102 {
103 int i;
104
105 switch (type) {
106 case NL80211_IFTYPE_MESH_POINT:
107 case NL80211_IFTYPE_ADHOC:
108 case NL80211_IFTYPE_STATION:
109 /* prefer hw bssid slot 1-3 */
110 i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3);
111 if (i)
112 return i - 1;
113
114 if (type != NL80211_IFTYPE_STATION)
115 break;
116
117 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
118 if (i)
119 return i - 1;
120
121 if (~mask & BIT(HW_BSSID_0))
122 return HW_BSSID_0;
123
124 break;
125 case NL80211_IFTYPE_MONITOR:
126 case NL80211_IFTYPE_AP:
127 /* ap uses hw bssid 0 and ext bssid */
128 if (~mask & BIT(HW_BSSID_0))
129 return HW_BSSID_0;
130
131 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
132 if (i)
133 return i - 1;
134
135 break;
136 default:
137 WARN_ON(1);
138 break;
139 }
140
141 return -1;
142 }
143
mt7996_init_bitrate_mask(struct ieee80211_vif * vif)144 static void mt7996_init_bitrate_mask(struct ieee80211_vif *vif)
145 {
146 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
147 int i;
148
149 for (i = 0; i < ARRAY_SIZE(mvif->bitrate_mask.control); i++) {
150 mvif->bitrate_mask.control[i].gi = NL80211_TXRATE_DEFAULT_GI;
151 mvif->bitrate_mask.control[i].he_gi = 0xff;
152 mvif->bitrate_mask.control[i].he_ltf = 0xff;
153 mvif->bitrate_mask.control[i].legacy = GENMASK(31, 0);
154 memset(mvif->bitrate_mask.control[i].ht_mcs, 0xff,
155 sizeof(mvif->bitrate_mask.control[i].ht_mcs));
156 memset(mvif->bitrate_mask.control[i].vht_mcs, 0xff,
157 sizeof(mvif->bitrate_mask.control[i].vht_mcs));
158 memset(mvif->bitrate_mask.control[i].he_mcs, 0xff,
159 sizeof(mvif->bitrate_mask.control[i].he_mcs));
160 }
161 }
162
mt7996_add_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)163 static int mt7996_add_interface(struct ieee80211_hw *hw,
164 struct ieee80211_vif *vif)
165 {
166 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
167 struct mt7996_dev *dev = mt7996_hw_dev(hw);
168 struct mt7996_phy *phy = mt7996_hw_phy(hw);
169 struct mt76_txq *mtxq;
170 u8 band_idx = phy->mt76->band_idx;
171 int idx, ret = 0;
172
173 mutex_lock(&dev->mt76.mutex);
174
175 if (vif->type == NL80211_IFTYPE_MONITOR &&
176 is_zero_ether_addr(vif->addr))
177 phy->monitor_vif = vif;
178
179 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask);
180 if (mvif->mt76.idx >= mt7996_max_interface_num(dev)) {
181 ret = -ENOSPC;
182 goto out;
183 }
184
185 idx = get_omac_idx(vif->type, phy->omac_mask);
186 if (idx < 0) {
187 ret = -ENOSPC;
188 goto out;
189 }
190 mvif->mt76.omac_idx = idx;
191 mvif->phy = phy;
192 mvif->mt76.band_idx = band_idx;
193 mvif->mt76.wmm_idx = vif->type != NL80211_IFTYPE_AP;
194
195 ret = mt7996_mcu_add_dev_info(phy, vif, true);
196 if (ret)
197 goto out;
198
199 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx);
200 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
201
202 idx = MT7996_WTBL_RESERVED - mvif->mt76.idx;
203
204 INIT_LIST_HEAD(&mvif->sta.rc_list);
205 INIT_LIST_HEAD(&mvif->sta.wcid.poll_list);
206 mvif->sta.wcid.idx = idx;
207 mvif->sta.wcid.phy_idx = band_idx;
208 mvif->sta.wcid.hw_key_idx = -1;
209 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET;
210 mt76_packet_id_init(&mvif->sta.wcid);
211
212 mt7996_mac_wtbl_update(dev, idx,
213 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
214
215 if (vif->txq) {
216 mtxq = (struct mt76_txq *)vif->txq->drv_priv;
217 mtxq->wcid = idx;
218 }
219
220 if (vif->type != NL80211_IFTYPE_AP &&
221 (!mvif->mt76.omac_idx || mvif->mt76.omac_idx > 3))
222 vif->offload_flags = 0;
223 vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR;
224
225 if (phy->mt76->chandef.chan->band != NL80211_BAND_2GHZ)
226 mvif->mt76.basic_rates_idx = MT7996_BASIC_RATES_TBL + 4;
227 else
228 mvif->mt76.basic_rates_idx = MT7996_BASIC_RATES_TBL;
229
230 mt7996_init_bitrate_mask(vif);
231
232 mt7996_mcu_add_bss_info(phy, vif, true);
233 mt7996_mcu_add_sta(dev, vif, NULL, true);
234 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
235
236 out:
237 mutex_unlock(&dev->mt76.mutex);
238
239 return ret;
240 }
241
mt7996_remove_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)242 static void mt7996_remove_interface(struct ieee80211_hw *hw,
243 struct ieee80211_vif *vif)
244 {
245 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
246 struct mt7996_sta *msta = &mvif->sta;
247 struct mt7996_dev *dev = mt7996_hw_dev(hw);
248 struct mt7996_phy *phy = mt7996_hw_phy(hw);
249 int idx = msta->wcid.idx;
250
251 mt7996_mcu_add_bss_info(phy, vif, false);
252 mt7996_mcu_add_sta(dev, vif, NULL, false);
253
254 if (vif == phy->monitor_vif)
255 phy->monitor_vif = NULL;
256
257 mt7996_mcu_add_dev_info(phy, vif, false);
258
259 rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
260
261 mutex_lock(&dev->mt76.mutex);
262 dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx);
263 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
264 mutex_unlock(&dev->mt76.mutex);
265
266 spin_lock_bh(&dev->mt76.sta_poll_lock);
267 if (!list_empty(&msta->wcid.poll_list))
268 list_del_init(&msta->wcid.poll_list);
269 spin_unlock_bh(&dev->mt76.sta_poll_lock);
270
271 mt76_packet_id_flush(&dev->mt76, &msta->wcid);
272 }
273
mt7996_set_channel(struct mt7996_phy * phy)274 int mt7996_set_channel(struct mt7996_phy *phy)
275 {
276 struct mt7996_dev *dev = phy->dev;
277 int ret;
278
279 cancel_delayed_work_sync(&phy->mt76->mac_work);
280
281 mutex_lock(&dev->mt76.mutex);
282 set_bit(MT76_RESET, &phy->mt76->state);
283
284 mt76_set_channel(phy->mt76);
285
286 ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_SWITCH);
287 if (ret)
288 goto out;
289
290 ret = mt7996_dfs_init_radar_detector(phy);
291 mt7996_mac_cca_stats_reset(phy);
292
293 mt7996_mac_reset_counters(phy);
294 phy->noise = 0;
295
296 out:
297 clear_bit(MT76_RESET, &phy->mt76->state);
298 mutex_unlock(&dev->mt76.mutex);
299
300 mt76_txq_schedule_all(phy->mt76);
301
302 ieee80211_queue_delayed_work(phy->mt76->hw,
303 &phy->mt76->mac_work,
304 MT7996_WATCHDOG_TIME);
305
306 return ret;
307 }
308
mt7996_set_key(struct ieee80211_hw * hw,enum set_key_cmd cmd,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct ieee80211_key_conf * key)309 static int mt7996_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
310 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
311 struct ieee80211_key_conf *key)
312 {
313 struct mt7996_dev *dev = mt7996_hw_dev(hw);
314 struct mt7996_phy *phy = mt7996_hw_phy(hw);
315 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
316 struct mt7996_sta *msta = sta ? (struct mt7996_sta *)sta->drv_priv :
317 &mvif->sta;
318 struct mt76_wcid *wcid = &msta->wcid;
319 u8 *wcid_keyidx = &wcid->hw_key_idx;
320 int idx = key->keyidx;
321 int err = 0;
322
323 /* The hardware does not support per-STA RX GTK, fallback
324 * to software mode for these.
325 */
326 if ((vif->type == NL80211_IFTYPE_ADHOC ||
327 vif->type == NL80211_IFTYPE_MESH_POINT) &&
328 (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
329 key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
330 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
331 return -EOPNOTSUPP;
332
333 /* fall back to sw encryption for unsupported ciphers */
334 switch (key->cipher) {
335 case WLAN_CIPHER_SUITE_AES_CMAC:
336 wcid_keyidx = &wcid->hw_key_idx2;
337 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
338 break;
339 case WLAN_CIPHER_SUITE_TKIP:
340 case WLAN_CIPHER_SUITE_CCMP:
341 case WLAN_CIPHER_SUITE_CCMP_256:
342 case WLAN_CIPHER_SUITE_GCMP:
343 case WLAN_CIPHER_SUITE_GCMP_256:
344 case WLAN_CIPHER_SUITE_SMS4:
345 break;
346 case WLAN_CIPHER_SUITE_WEP40:
347 case WLAN_CIPHER_SUITE_WEP104:
348 default:
349 return -EOPNOTSUPP;
350 }
351
352 mutex_lock(&dev->mt76.mutex);
353
354 if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) {
355 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher);
356 mt7996_mcu_add_bss_info(phy, vif, true);
357 }
358
359 if (cmd == SET_KEY) {
360 *wcid_keyidx = idx;
361 } else {
362 if (idx == *wcid_keyidx)
363 *wcid_keyidx = -1;
364 goto out;
365 }
366
367 mt76_wcid_key_setup(&dev->mt76, wcid, key);
368 err = mt7996_mcu_add_key(&dev->mt76, vif, &msta->bip,
369 key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE),
370 &msta->wcid, cmd);
371 out:
372 mutex_unlock(&dev->mt76.mutex);
373
374 return err;
375 }
376
mt7996_config(struct ieee80211_hw * hw,u32 changed)377 static int mt7996_config(struct ieee80211_hw *hw, u32 changed)
378 {
379 struct mt7996_dev *dev = mt7996_hw_dev(hw);
380 struct mt7996_phy *phy = mt7996_hw_phy(hw);
381 int ret;
382
383 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
384 ieee80211_stop_queues(hw);
385 ret = mt7996_set_channel(phy);
386 if (ret)
387 return ret;
388 ieee80211_wake_queues(hw);
389 }
390
391 mutex_lock(&dev->mt76.mutex);
392
393 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
394 bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
395
396 if (!enabled)
397 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
398 else
399 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
400
401 mt76_rmw_field(dev, MT_DMA_DCR0(phy->mt76->band_idx),
402 MT_DMA_DCR0_RXD_G5_EN, enabled);
403 mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter);
404 }
405
406 mutex_unlock(&dev->mt76.mutex);
407
408 return 0;
409 }
410
411 static int
mt7996_conf_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,unsigned int link_id,u16 queue,const struct ieee80211_tx_queue_params * params)412 mt7996_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
413 unsigned int link_id, u16 queue,
414 const struct ieee80211_tx_queue_params *params)
415 {
416 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
417 const u8 mq_to_aci[] = {
418 [IEEE80211_AC_VO] = 3,
419 [IEEE80211_AC_VI] = 2,
420 [IEEE80211_AC_BE] = 0,
421 [IEEE80211_AC_BK] = 1,
422 };
423
424 /* firmware uses access class index */
425 mvif->queue_params[mq_to_aci[queue]] = *params;
426 /* no need to update right away, we'll get BSS_CHANGED_QOS */
427
428 return 0;
429 }
430
mt7996_configure_filter(struct ieee80211_hw * hw,unsigned int changed_flags,unsigned int * total_flags,u64 multicast)431 static void mt7996_configure_filter(struct ieee80211_hw *hw,
432 unsigned int changed_flags,
433 unsigned int *total_flags,
434 u64 multicast)
435 {
436 struct mt7996_dev *dev = mt7996_hw_dev(hw);
437 struct mt7996_phy *phy = mt7996_hw_phy(hw);
438 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
439 MT_WF_RFCR1_DROP_BF_POLL |
440 MT_WF_RFCR1_DROP_BA |
441 MT_WF_RFCR1_DROP_CFEND |
442 MT_WF_RFCR1_DROP_CFACK;
443 u32 flags = 0;
444
445 #define MT76_FILTER(_flag, _hw) do { \
446 flags |= *total_flags & FIF_##_flag; \
447 phy->rxfilter &= ~(_hw); \
448 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \
449 } while (0)
450
451 mutex_lock(&dev->mt76.mutex);
452
453 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
454 MT_WF_RFCR_DROP_OTHER_BEACON |
455 MT_WF_RFCR_DROP_FRAME_REPORT |
456 MT_WF_RFCR_DROP_PROBEREQ |
457 MT_WF_RFCR_DROP_MCAST_FILTERED |
458 MT_WF_RFCR_DROP_MCAST |
459 MT_WF_RFCR_DROP_BCAST |
460 MT_WF_RFCR_DROP_DUPLICATE |
461 MT_WF_RFCR_DROP_A2_BSSID |
462 MT_WF_RFCR_DROP_UNWANTED_CTL |
463 MT_WF_RFCR_DROP_STBC_MULTI);
464
465 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
466 MT_WF_RFCR_DROP_A3_MAC |
467 MT_WF_RFCR_DROP_A3_BSSID);
468
469 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
470
471 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
472 MT_WF_RFCR_DROP_RTS |
473 MT_WF_RFCR_DROP_CTL_RSV |
474 MT_WF_RFCR_DROP_NDPA);
475
476 *total_flags = flags;
477 mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter);
478
479 if (*total_flags & FIF_CONTROL)
480 mt76_clear(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags);
481 else
482 mt76_set(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags);
483
484 mutex_unlock(&dev->mt76.mutex);
485 }
486
487 static void
mt7996_update_bss_color(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_he_bss_color * bss_color)488 mt7996_update_bss_color(struct ieee80211_hw *hw,
489 struct ieee80211_vif *vif,
490 struct cfg80211_he_bss_color *bss_color)
491 {
492 struct mt7996_dev *dev = mt7996_hw_dev(hw);
493
494 switch (vif->type) {
495 case NL80211_IFTYPE_AP: {
496 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
497
498 if (mvif->mt76.omac_idx > HW_BSSID_MAX)
499 return;
500 fallthrough;
501 }
502 case NL80211_IFTYPE_STATION:
503 mt7996_mcu_update_bss_color(dev, vif, bss_color);
504 break;
505 default:
506 break;
507 }
508 }
509
510 static u8
mt7996_get_rates_table(struct ieee80211_hw * hw,struct ieee80211_vif * vif,bool beacon,bool mcast)511 mt7996_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
512 bool beacon, bool mcast)
513 {
514 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
515 struct mt76_phy *mphy = hw->priv;
516 u16 rate;
517 u8 i, idx, ht;
518
519 rate = mt76_connac2_mac_tx_rate_val(mphy, vif, beacon, mcast);
520 ht = FIELD_GET(MT_TX_RATE_MODE, rate) > MT_PHY_TYPE_OFDM;
521
522 if (beacon && ht) {
523 struct mt7996_dev *dev = mt7996_hw_dev(hw);
524
525 /* must odd index */
526 idx = MT7996_BEACON_RATES_TBL + 2 * (mvif->idx % 20);
527 mt7996_mac_set_fixed_rate_table(dev, idx, rate);
528 return idx;
529 }
530
531 idx = FIELD_GET(MT_TX_RATE_IDX, rate);
532 for (i = 0; i < ARRAY_SIZE(mt76_rates); i++)
533 if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx)
534 return MT7996_BASIC_RATES_TBL + i;
535
536 return mvif->basic_rates_idx;
537 }
538
539 static void
mt7996_update_mu_group(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info)540 mt7996_update_mu_group(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
541 struct ieee80211_bss_conf *info)
542 {
543 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
544 struct mt7996_dev *dev = mt7996_hw_dev(hw);
545 u8 band = mvif->mt76.band_idx;
546 u32 *mu;
547
548 mu = (u32 *)info->mu_group.membership;
549 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_VLD0(band), mu[0]);
550 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_VLD1(band), mu[1]);
551
552 mu = (u32 *)info->mu_group.position;
553 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS0(band), mu[0]);
554 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS1(band), mu[1]);
555 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS2(band), mu[2]);
556 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS3(band), mu[3]);
557 }
558
mt7996_bss_info_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info,u64 changed)559 static void mt7996_bss_info_changed(struct ieee80211_hw *hw,
560 struct ieee80211_vif *vif,
561 struct ieee80211_bss_conf *info,
562 u64 changed)
563 {
564 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
565 struct mt7996_phy *phy = mt7996_hw_phy(hw);
566 struct mt7996_dev *dev = mt7996_hw_dev(hw);
567
568 mutex_lock(&dev->mt76.mutex);
569
570 /* station mode uses BSSID to map the wlan entry to a peer,
571 * and then peer references bss_info_rfch to set bandwidth cap.
572 */
573 if (changed & BSS_CHANGED_BSSID &&
574 vif->type == NL80211_IFTYPE_STATION) {
575 bool join = !is_zero_ether_addr(info->bssid);
576
577 mt7996_mcu_add_bss_info(phy, vif, join);
578 mt7996_mcu_add_sta(dev, vif, NULL, join);
579 }
580
581 if (changed & BSS_CHANGED_ASSOC)
582 mt7996_mcu_add_bss_info(phy, vif, vif->cfg.assoc);
583
584 if (changed & BSS_CHANGED_ERP_CTS_PROT)
585 mt7996_mac_enable_rtscts(dev, vif, info->use_cts_prot);
586
587 if (changed & BSS_CHANGED_ERP_SLOT) {
588 int slottime = info->use_short_slot ? 9 : 20;
589
590 if (slottime != phy->slottime) {
591 phy->slottime = slottime;
592 mt7996_mcu_set_timing(phy, vif);
593 }
594 }
595
596 if (changed & BSS_CHANGED_MCAST_RATE)
597 mvif->mcast_rates_idx =
598 mt7996_get_rates_table(hw, vif, false, true);
599
600 if (changed & BSS_CHANGED_BASIC_RATES)
601 mvif->basic_rates_idx =
602 mt7996_get_rates_table(hw, vif, false, false);
603
604 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) {
605 mt7996_mcu_add_bss_info(phy, vif, true);
606 mt7996_mcu_add_sta(dev, vif, NULL, true);
607 }
608
609 /* ensure that enable txcmd_mode after bss_info */
610 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
611 mt7996_mcu_set_tx(dev, vif);
612
613 if (changed & BSS_CHANGED_HE_OBSS_PD)
614 mt7996_mcu_add_obss_spr(phy, vif, &info->he_obss_pd);
615
616 if (changed & BSS_CHANGED_HE_BSS_COLOR)
617 mt7996_update_bss_color(hw, vif, &info->he_bss_color);
618
619 if (changed & (BSS_CHANGED_BEACON |
620 BSS_CHANGED_BEACON_ENABLED)) {
621 mvif->beacon_rates_idx =
622 mt7996_get_rates_table(hw, vif, true, false);
623
624 mt7996_mcu_add_beacon(hw, vif, info->enable_beacon);
625 }
626
627 if (changed & (BSS_CHANGED_UNSOL_BCAST_PROBE_RESP |
628 BSS_CHANGED_FILS_DISCOVERY))
629 mt7996_mcu_beacon_inband_discov(dev, vif, changed);
630
631 if (changed & BSS_CHANGED_MU_GROUPS)
632 mt7996_update_mu_group(hw, vif, info);
633
634 mutex_unlock(&dev->mt76.mutex);
635 }
636
637 static void
mt7996_channel_switch_beacon(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_chan_def * chandef)638 mt7996_channel_switch_beacon(struct ieee80211_hw *hw,
639 struct ieee80211_vif *vif,
640 struct cfg80211_chan_def *chandef)
641 {
642 struct mt7996_dev *dev = mt7996_hw_dev(hw);
643
644 mutex_lock(&dev->mt76.mutex);
645 mt7996_mcu_add_beacon(hw, vif, true);
646 mutex_unlock(&dev->mt76.mutex);
647 }
648
mt7996_mac_sta_add(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)649 int mt7996_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
650 struct ieee80211_sta *sta)
651 {
652 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76);
653 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
654 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
655 u8 band_idx = mvif->phy->mt76->band_idx;
656 int ret, idx;
657
658 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7996_WTBL_STA);
659 if (idx < 0)
660 return -ENOSPC;
661
662 INIT_LIST_HEAD(&msta->rc_list);
663 INIT_LIST_HEAD(&msta->wcid.poll_list);
664 msta->vif = mvif;
665 msta->wcid.sta = 1;
666 msta->wcid.idx = idx;
667 msta->wcid.phy_idx = band_idx;
668 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
669 msta->jiffies = jiffies;
670
671 ewma_avg_signal_init(&msta->avg_ack_signal);
672
673 mt7996_mac_wtbl_update(dev, idx,
674 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
675
676 ret = mt7996_mcu_add_sta(dev, vif, sta, true);
677 if (ret)
678 return ret;
679
680 return mt7996_mcu_add_rate_ctrl(dev, vif, sta, false);
681 }
682
mt7996_mac_sta_remove(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)683 void mt7996_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
684 struct ieee80211_sta *sta)
685 {
686 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76);
687 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
688 int i;
689
690 mt7996_mcu_add_sta(dev, vif, sta, false);
691
692 mt7996_mac_wtbl_update(dev, msta->wcid.idx,
693 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
694
695 for (i = 0; i < ARRAY_SIZE(msta->twt.flow); i++)
696 mt7996_mac_twt_teardown_flow(dev, msta, i);
697
698 spin_lock_bh(&mdev->sta_poll_lock);
699 if (!list_empty(&msta->wcid.poll_list))
700 list_del_init(&msta->wcid.poll_list);
701 if (!list_empty(&msta->rc_list))
702 list_del_init(&msta->rc_list);
703 spin_unlock_bh(&mdev->sta_poll_lock);
704 }
705
mt7996_tx(struct ieee80211_hw * hw,struct ieee80211_tx_control * control,struct sk_buff * skb)706 static void mt7996_tx(struct ieee80211_hw *hw,
707 struct ieee80211_tx_control *control,
708 struct sk_buff *skb)
709 {
710 struct mt7996_dev *dev = mt7996_hw_dev(hw);
711 struct mt76_phy *mphy = hw->priv;
712 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
713 struct ieee80211_vif *vif = info->control.vif;
714 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
715
716 if (control->sta) {
717 struct mt7996_sta *sta;
718
719 sta = (struct mt7996_sta *)control->sta->drv_priv;
720 wcid = &sta->wcid;
721 }
722
723 if (vif && !control->sta) {
724 struct mt7996_vif *mvif;
725
726 mvif = (struct mt7996_vif *)vif->drv_priv;
727 wcid = &mvif->sta.wcid;
728 }
729
730 mt76_tx(mphy, control->sta, wcid, skb);
731 }
732
mt7996_set_rts_threshold(struct ieee80211_hw * hw,u32 val)733 static int mt7996_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
734 {
735 struct mt7996_phy *phy = mt7996_hw_phy(hw);
736 int ret;
737
738 mutex_lock(&phy->dev->mt76.mutex);
739 ret = mt7996_mcu_set_rts_thresh(phy, val);
740 mutex_unlock(&phy->dev->mt76.mutex);
741
742 return ret;
743 }
744
745 static int
mt7996_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)746 mt7996_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
747 struct ieee80211_ampdu_params *params)
748 {
749 enum ieee80211_ampdu_mlme_action action = params->action;
750 struct mt7996_dev *dev = mt7996_hw_dev(hw);
751 struct ieee80211_sta *sta = params->sta;
752 struct ieee80211_txq *txq = sta->txq[params->tid];
753 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
754 u16 tid = params->tid;
755 u16 ssn = params->ssn;
756 struct mt76_txq *mtxq;
757 int ret = 0;
758
759 if (!txq)
760 return -EINVAL;
761
762 mtxq = (struct mt76_txq *)txq->drv_priv;
763
764 mutex_lock(&dev->mt76.mutex);
765 switch (action) {
766 case IEEE80211_AMPDU_RX_START:
767 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
768 params->buf_size);
769 ret = mt7996_mcu_add_rx_ba(dev, params, true);
770 break;
771 case IEEE80211_AMPDU_RX_STOP:
772 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
773 ret = mt7996_mcu_add_rx_ba(dev, params, false);
774 break;
775 case IEEE80211_AMPDU_TX_OPERATIONAL:
776 mtxq->aggr = true;
777 mtxq->send_bar = false;
778 ret = mt7996_mcu_add_tx_ba(dev, params, true);
779 break;
780 case IEEE80211_AMPDU_TX_STOP_FLUSH:
781 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
782 mtxq->aggr = false;
783 clear_bit(tid, &msta->wcid.ampdu_state);
784 ret = mt7996_mcu_add_tx_ba(dev, params, false);
785 break;
786 case IEEE80211_AMPDU_TX_START:
787 set_bit(tid, &msta->wcid.ampdu_state);
788 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
789 break;
790 case IEEE80211_AMPDU_TX_STOP_CONT:
791 mtxq->aggr = false;
792 clear_bit(tid, &msta->wcid.ampdu_state);
793 ret = mt7996_mcu_add_tx_ba(dev, params, false);
794 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
795 break;
796 }
797 mutex_unlock(&dev->mt76.mutex);
798
799 return ret;
800 }
801
802 static int
mt7996_sta_add(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)803 mt7996_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
804 struct ieee80211_sta *sta)
805 {
806 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST,
807 IEEE80211_STA_NONE);
808 }
809
810 static int
mt7996_sta_remove(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)811 mt7996_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
812 struct ieee80211_sta *sta)
813 {
814 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE,
815 IEEE80211_STA_NOTEXIST);
816 }
817
818 static int
mt7996_get_stats(struct ieee80211_hw * hw,struct ieee80211_low_level_stats * stats)819 mt7996_get_stats(struct ieee80211_hw *hw,
820 struct ieee80211_low_level_stats *stats)
821 {
822 struct mt7996_phy *phy = mt7996_hw_phy(hw);
823 struct mt7996_dev *dev = mt7996_hw_dev(hw);
824 struct mt76_mib_stats *mib = &phy->mib;
825
826 mutex_lock(&dev->mt76.mutex);
827
828 stats->dot11RTSSuccessCount = mib->rts_cnt;
829 stats->dot11RTSFailureCount = mib->rts_retries_cnt;
830 stats->dot11FCSErrorCount = mib->fcs_err_cnt;
831 stats->dot11ACKFailureCount = mib->ack_fail_cnt;
832
833 mutex_unlock(&dev->mt76.mutex);
834
835 return 0;
836 }
837
__mt7996_get_tsf(struct ieee80211_hw * hw,struct mt7996_vif * mvif)838 u64 __mt7996_get_tsf(struct ieee80211_hw *hw, struct mt7996_vif *mvif)
839 {
840 struct mt7996_dev *dev = mt7996_hw_dev(hw);
841 struct mt7996_phy *phy = mt7996_hw_phy(hw);
842 union {
843 u64 t64;
844 u32 t32[2];
845 } tsf;
846 u16 n;
847
848 lockdep_assert_held(&dev->mt76.mutex);
849
850 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0
851 : mvif->mt76.omac_idx;
852 /* TSF software read */
853 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE,
854 MT_LPON_TCR_SW_READ);
855 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(phy->mt76->band_idx));
856 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(phy->mt76->band_idx));
857
858 return tsf.t64;
859 }
860
861 static u64
mt7996_get_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif)862 mt7996_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
863 {
864 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
865 struct mt7996_dev *dev = mt7996_hw_dev(hw);
866 u64 ret;
867
868 mutex_lock(&dev->mt76.mutex);
869 ret = __mt7996_get_tsf(hw, mvif);
870 mutex_unlock(&dev->mt76.mutex);
871
872 return ret;
873 }
874
875 static void
mt7996_set_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u64 timestamp)876 mt7996_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
877 u64 timestamp)
878 {
879 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
880 struct mt7996_dev *dev = mt7996_hw_dev(hw);
881 struct mt7996_phy *phy = mt7996_hw_phy(hw);
882 union {
883 u64 t64;
884 u32 t32[2];
885 } tsf = { .t64 = timestamp, };
886 u16 n;
887
888 mutex_lock(&dev->mt76.mutex);
889
890 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0
891 : mvif->mt76.omac_idx;
892 mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]);
893 mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]);
894 /* TSF software overwrite */
895 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE,
896 MT_LPON_TCR_SW_WRITE);
897
898 mutex_unlock(&dev->mt76.mutex);
899 }
900
901 static void
mt7996_offset_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,s64 timestamp)902 mt7996_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
903 s64 timestamp)
904 {
905 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
906 struct mt7996_dev *dev = mt7996_hw_dev(hw);
907 struct mt7996_phy *phy = mt7996_hw_phy(hw);
908 union {
909 u64 t64;
910 u32 t32[2];
911 } tsf = { .t64 = timestamp, };
912 u16 n;
913
914 mutex_lock(&dev->mt76.mutex);
915
916 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0
917 : mvif->mt76.omac_idx;
918 mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]);
919 mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]);
920 /* TSF software adjust*/
921 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE,
922 MT_LPON_TCR_SW_ADJUST);
923
924 mutex_unlock(&dev->mt76.mutex);
925 }
926
927 static void
mt7996_set_coverage_class(struct ieee80211_hw * hw,s16 coverage_class)928 mt7996_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
929 {
930 struct mt7996_phy *phy = mt7996_hw_phy(hw);
931 struct mt7996_dev *dev = phy->dev;
932
933 mutex_lock(&dev->mt76.mutex);
934 phy->coverage_class = max_t(s16, coverage_class, 0);
935 mt7996_mac_set_coverage_class(phy);
936 mutex_unlock(&dev->mt76.mutex);
937 }
938
939 static int
mt7996_set_antenna(struct ieee80211_hw * hw,u32 tx_ant,u32 rx_ant)940 mt7996_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
941 {
942 struct mt7996_dev *dev = mt7996_hw_dev(hw);
943 struct mt7996_phy *phy = mt7996_hw_phy(hw);
944 int max_nss = hweight8(hw->wiphy->available_antennas_tx);
945 u8 band_idx = phy->mt76->band_idx, shift = dev->chainshift[band_idx];
946
947 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
948 return -EINVAL;
949
950 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
951 tx_ant = BIT(ffs(tx_ant) - 1) - 1;
952
953 mutex_lock(&dev->mt76.mutex);
954
955 phy->mt76->antenna_mask = tx_ant;
956
957 /* restore to the origin chainmask which might have auxiliary path */
958 if (hweight8(tx_ant) == max_nss && band_idx < MT_BAND2)
959 phy->mt76->chainmask = ((dev->chainmask >> shift) &
960 (BIT(dev->chainshift[band_idx + 1] - shift) - 1)) << shift;
961 else if (hweight8(tx_ant) == max_nss)
962 phy->mt76->chainmask = (dev->chainmask >> shift) << shift;
963 else
964 phy->mt76->chainmask = tx_ant << shift;
965
966 mt76_set_stream_caps(phy->mt76, true);
967 mt7996_set_stream_vht_txbf_caps(phy);
968 mt7996_set_stream_he_eht_caps(phy);
969
970 /* TODO: update bmc_wtbl spe_idx when antenna changes */
971 mutex_unlock(&dev->mt76.mutex);
972
973 return 0;
974 }
975
mt7996_sta_statistics(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct station_info * sinfo)976 static void mt7996_sta_statistics(struct ieee80211_hw *hw,
977 struct ieee80211_vif *vif,
978 struct ieee80211_sta *sta,
979 struct station_info *sinfo)
980 {
981 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
982 struct rate_info *txrate = &msta->wcid.rate;
983
984 if (txrate->legacy || txrate->flags) {
985 if (txrate->legacy) {
986 sinfo->txrate.legacy = txrate->legacy;
987 } else {
988 sinfo->txrate.mcs = txrate->mcs;
989 sinfo->txrate.nss = txrate->nss;
990 sinfo->txrate.bw = txrate->bw;
991 sinfo->txrate.he_gi = txrate->he_gi;
992 sinfo->txrate.he_dcm = txrate->he_dcm;
993 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc;
994 }
995 sinfo->txrate.flags = txrate->flags;
996 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
997 }
998 sinfo->txrate.flags = txrate->flags;
999 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
1000
1001 sinfo->ack_signal = (s8)msta->ack_signal;
1002 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL);
1003
1004 sinfo->avg_ack_signal = -(s8)ewma_avg_signal_read(&msta->avg_ack_signal);
1005 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG);
1006 }
1007
mt7996_sta_rc_work(void * data,struct ieee80211_sta * sta)1008 static void mt7996_sta_rc_work(void *data, struct ieee80211_sta *sta)
1009 {
1010 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1011 struct mt7996_dev *dev = msta->vif->phy->dev;
1012 u32 *changed = data;
1013
1014 spin_lock_bh(&dev->mt76.sta_poll_lock);
1015 msta->changed |= *changed;
1016 if (list_empty(&msta->rc_list))
1017 list_add_tail(&msta->rc_list, &dev->sta_rc_list);
1018 spin_unlock_bh(&dev->mt76.sta_poll_lock);
1019 }
1020
mt7996_sta_rc_update(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,u32 changed)1021 static void mt7996_sta_rc_update(struct ieee80211_hw *hw,
1022 struct ieee80211_vif *vif,
1023 struct ieee80211_sta *sta,
1024 u32 changed)
1025 {
1026 struct mt7996_phy *phy = mt7996_hw_phy(hw);
1027 struct mt7996_dev *dev = phy->dev;
1028
1029 mt7996_sta_rc_work(&changed, sta);
1030 ieee80211_queue_work(hw, &dev->rc_work);
1031 }
1032
1033 static int
mt7996_set_bitrate_mask(struct ieee80211_hw * hw,struct ieee80211_vif * vif,const struct cfg80211_bitrate_mask * mask)1034 mt7996_set_bitrate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1035 const struct cfg80211_bitrate_mask *mask)
1036 {
1037 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
1038 struct mt7996_phy *phy = mt7996_hw_phy(hw);
1039 struct mt7996_dev *dev = phy->dev;
1040 u32 changed = IEEE80211_RC_SUPP_RATES_CHANGED;
1041
1042 mvif->bitrate_mask = *mask;
1043
1044 /* if multiple rates across different preambles are given we can
1045 * reconfigure this info with all peers using sta_rec command with
1046 * the below exception cases.
1047 * - single rate : if a rate is passed along with different preambles,
1048 * we select the highest one as fixed rate. i.e VHT MCS for VHT peers.
1049 * - multiple rates: if it's not in range format i.e 0-{7,8,9} for VHT
1050 * then multiple MCS setting (MCS 4,5,6) is not supported.
1051 */
1052 ieee80211_iterate_stations_atomic(hw, mt7996_sta_rc_work, &changed);
1053 ieee80211_queue_work(hw, &dev->rc_work);
1054
1055 return 0;
1056 }
1057
mt7996_sta_set_4addr(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enabled)1058 static void mt7996_sta_set_4addr(struct ieee80211_hw *hw,
1059 struct ieee80211_vif *vif,
1060 struct ieee80211_sta *sta,
1061 bool enabled)
1062 {
1063 struct mt7996_dev *dev = mt7996_hw_dev(hw);
1064 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1065
1066 if (enabled)
1067 set_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags);
1068 else
1069 clear_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags);
1070
1071 mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta);
1072 }
1073
mt7996_sta_set_decap_offload(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enabled)1074 static void mt7996_sta_set_decap_offload(struct ieee80211_hw *hw,
1075 struct ieee80211_vif *vif,
1076 struct ieee80211_sta *sta,
1077 bool enabled)
1078 {
1079 struct mt7996_dev *dev = mt7996_hw_dev(hw);
1080 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1081
1082 if (enabled)
1083 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1084 else
1085 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1086
1087 mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta);
1088 }
1089
1090 static const char mt7996_gstrings_stats[][ETH_GSTRING_LEN] = {
1091 "tx_ampdu_cnt",
1092 "tx_stop_q_empty_cnt",
1093 "tx_mpdu_attempts",
1094 "tx_mpdu_success",
1095 "tx_rwp_fail_cnt",
1096 "tx_rwp_need_cnt",
1097 "tx_pkt_ebf_cnt",
1098 "tx_pkt_ibf_cnt",
1099 "tx_ampdu_len:0-1",
1100 "tx_ampdu_len:2-10",
1101 "tx_ampdu_len:11-19",
1102 "tx_ampdu_len:20-28",
1103 "tx_ampdu_len:29-37",
1104 "tx_ampdu_len:38-46",
1105 "tx_ampdu_len:47-55",
1106 "tx_ampdu_len:56-79",
1107 "tx_ampdu_len:80-103",
1108 "tx_ampdu_len:104-127",
1109 "tx_ampdu_len:128-151",
1110 "tx_ampdu_len:152-175",
1111 "tx_ampdu_len:176-199",
1112 "tx_ampdu_len:200-223",
1113 "tx_ampdu_len:224-247",
1114 "ba_miss_count",
1115 "tx_beamformer_ppdu_iBF",
1116 "tx_beamformer_ppdu_eBF",
1117 "tx_beamformer_rx_feedback_all",
1118 "tx_beamformer_rx_feedback_he",
1119 "tx_beamformer_rx_feedback_vht",
1120 "tx_beamformer_rx_feedback_ht",
1121 "tx_beamformer_rx_feedback_bw", /* zero based idx: 20, 40, 80, 160 */
1122 "tx_beamformer_rx_feedback_nc",
1123 "tx_beamformer_rx_feedback_nr",
1124 "tx_beamformee_ok_feedback_pkts",
1125 "tx_beamformee_feedback_trig",
1126 "tx_mu_beamforming",
1127 "tx_mu_mpdu",
1128 "tx_mu_successful_mpdu",
1129 "tx_su_successful_mpdu",
1130 "tx_msdu_pack_1",
1131 "tx_msdu_pack_2",
1132 "tx_msdu_pack_3",
1133 "tx_msdu_pack_4",
1134 "tx_msdu_pack_5",
1135 "tx_msdu_pack_6",
1136 "tx_msdu_pack_7",
1137 "tx_msdu_pack_8",
1138
1139 /* rx counters */
1140 "rx_fifo_full_cnt",
1141 "rx_mpdu_cnt",
1142 "channel_idle_cnt",
1143 "rx_vector_mismatch_cnt",
1144 "rx_delimiter_fail_cnt",
1145 "rx_len_mismatch_cnt",
1146 "rx_ampdu_cnt",
1147 "rx_ampdu_bytes_cnt",
1148 "rx_ampdu_valid_subframe_cnt",
1149 "rx_ampdu_valid_subframe_b_cnt",
1150 "rx_pfdrop_cnt",
1151 "rx_vec_queue_overflow_drop_cnt",
1152 "rx_ba_cnt",
1153
1154 /* per vif counters */
1155 "v_tx_mode_cck",
1156 "v_tx_mode_ofdm",
1157 "v_tx_mode_ht",
1158 "v_tx_mode_ht_gf",
1159 "v_tx_mode_vht",
1160 "v_tx_mode_he_su",
1161 "v_tx_mode_he_ext_su",
1162 "v_tx_mode_he_tb",
1163 "v_tx_mode_he_mu",
1164 "v_tx_mode_eht_su",
1165 "v_tx_mode_eht_trig",
1166 "v_tx_mode_eht_mu",
1167 "v_tx_bw_20",
1168 "v_tx_bw_40",
1169 "v_tx_bw_80",
1170 "v_tx_bw_160",
1171 "v_tx_bw_320",
1172 "v_tx_mcs_0",
1173 "v_tx_mcs_1",
1174 "v_tx_mcs_2",
1175 "v_tx_mcs_3",
1176 "v_tx_mcs_4",
1177 "v_tx_mcs_5",
1178 "v_tx_mcs_6",
1179 "v_tx_mcs_7",
1180 "v_tx_mcs_8",
1181 "v_tx_mcs_9",
1182 "v_tx_mcs_10",
1183 "v_tx_mcs_11",
1184 "v_tx_mcs_12",
1185 "v_tx_mcs_13",
1186 "v_tx_nss_1",
1187 "v_tx_nss_2",
1188 "v_tx_nss_3",
1189 "v_tx_nss_4",
1190 };
1191
1192 #define MT7996_SSTATS_LEN ARRAY_SIZE(mt7996_gstrings_stats)
1193
1194 /* Ethtool related API */
1195 static
mt7996_get_et_strings(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u32 sset,u8 * data)1196 void mt7996_get_et_strings(struct ieee80211_hw *hw,
1197 struct ieee80211_vif *vif,
1198 u32 sset, u8 *data)
1199 {
1200 if (sset == ETH_SS_STATS)
1201 memcpy(data, mt7996_gstrings_stats,
1202 sizeof(mt7996_gstrings_stats));
1203 }
1204
1205 static
mt7996_get_et_sset_count(struct ieee80211_hw * hw,struct ieee80211_vif * vif,int sset)1206 int mt7996_get_et_sset_count(struct ieee80211_hw *hw,
1207 struct ieee80211_vif *vif, int sset)
1208 {
1209 if (sset == ETH_SS_STATS)
1210 return MT7996_SSTATS_LEN;
1211
1212 return 0;
1213 }
1214
mt7996_ethtool_worker(void * wi_data,struct ieee80211_sta * sta)1215 static void mt7996_ethtool_worker(void *wi_data, struct ieee80211_sta *sta)
1216 {
1217 struct mt76_ethtool_worker_info *wi = wi_data;
1218 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1219
1220 if (msta->vif->mt76.idx != wi->idx)
1221 return;
1222
1223 mt76_ethtool_worker(wi, &msta->wcid.stats, true);
1224 }
1225
1226 static
mt7996_get_et_stats(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ethtool_stats * stats,u64 * data)1227 void mt7996_get_et_stats(struct ieee80211_hw *hw,
1228 struct ieee80211_vif *vif,
1229 struct ethtool_stats *stats, u64 *data)
1230 {
1231 struct mt7996_dev *dev = mt7996_hw_dev(hw);
1232 struct mt7996_phy *phy = mt7996_hw_phy(hw);
1233 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
1234 struct mt76_mib_stats *mib = &phy->mib;
1235 struct mt76_ethtool_worker_info wi = {
1236 .data = data,
1237 .idx = mvif->mt76.idx,
1238 };
1239 /* See mt7996_ampdu_stat_read_phy, etc */
1240 int i, ei = 0;
1241
1242 mutex_lock(&dev->mt76.mutex);
1243
1244 mt7996_mac_update_stats(phy);
1245
1246 data[ei++] = mib->tx_ampdu_cnt;
1247 data[ei++] = mib->tx_stop_q_empty_cnt;
1248 data[ei++] = mib->tx_mpdu_attempts_cnt;
1249 data[ei++] = mib->tx_mpdu_success_cnt;
1250 data[ei++] = mib->tx_rwp_fail_cnt;
1251 data[ei++] = mib->tx_rwp_need_cnt;
1252 data[ei++] = mib->tx_bf_ebf_ppdu_cnt;
1253 data[ei++] = mib->tx_bf_ibf_ppdu_cnt;
1254
1255 /* Tx ampdu stat */
1256 for (i = 0; i < 15 /*ARRAY_SIZE(bound)*/; i++)
1257 data[ei++] = phy->mt76->aggr_stats[i];
1258 data[ei++] = phy->mib.ba_miss_cnt;
1259
1260 /* Tx Beamformer monitor */
1261 data[ei++] = mib->tx_bf_ibf_ppdu_cnt;
1262 data[ei++] = mib->tx_bf_ebf_ppdu_cnt;
1263
1264 /* Tx Beamformer Rx feedback monitor */
1265 data[ei++] = mib->tx_bf_rx_fb_all_cnt;
1266 data[ei++] = mib->tx_bf_rx_fb_he_cnt;
1267 data[ei++] = mib->tx_bf_rx_fb_vht_cnt;
1268 data[ei++] = mib->tx_bf_rx_fb_ht_cnt;
1269
1270 data[ei++] = mib->tx_bf_rx_fb_bw;
1271 data[ei++] = mib->tx_bf_rx_fb_nc_cnt;
1272 data[ei++] = mib->tx_bf_rx_fb_nr_cnt;
1273
1274 /* Tx Beamformee Rx NDPA & Tx feedback report */
1275 data[ei++] = mib->tx_bf_fb_cpl_cnt;
1276 data[ei++] = mib->tx_bf_fb_trig_cnt;
1277
1278 /* Tx SU & MU counters */
1279 data[ei++] = mib->tx_mu_bf_cnt;
1280 data[ei++] = mib->tx_mu_mpdu_cnt;
1281 data[ei++] = mib->tx_mu_acked_mpdu_cnt;
1282 data[ei++] = mib->tx_su_acked_mpdu_cnt;
1283
1284 /* Tx amsdu info (pack-count histogram) */
1285 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++)
1286 data[ei++] = mib->tx_amsdu[i];
1287
1288 /* rx counters */
1289 data[ei++] = mib->rx_fifo_full_cnt;
1290 data[ei++] = mib->rx_mpdu_cnt;
1291 data[ei++] = mib->channel_idle_cnt;
1292 data[ei++] = mib->rx_vector_mismatch_cnt;
1293 data[ei++] = mib->rx_delimiter_fail_cnt;
1294 data[ei++] = mib->rx_len_mismatch_cnt;
1295 data[ei++] = mib->rx_ampdu_cnt;
1296 data[ei++] = mib->rx_ampdu_bytes_cnt;
1297 data[ei++] = mib->rx_ampdu_valid_subframe_cnt;
1298 data[ei++] = mib->rx_ampdu_valid_subframe_bytes_cnt;
1299 data[ei++] = mib->rx_pfdrop_cnt;
1300 data[ei++] = mib->rx_vec_queue_overflow_drop_cnt;
1301 data[ei++] = mib->rx_ba_cnt;
1302
1303 /* Add values for all stations owned by this vif */
1304 wi.initial_stat_idx = ei;
1305 ieee80211_iterate_stations_atomic(hw, mt7996_ethtool_worker, &wi);
1306
1307 mutex_unlock(&dev->mt76.mutex);
1308
1309 if (wi.sta_count == 0)
1310 return;
1311
1312 ei += wi.worker_stat_count;
1313 if (ei != MT7996_SSTATS_LEN)
1314 dev_err(dev->mt76.dev, "ei: %d MT7996_SSTATS_LEN: %d",
1315 ei, (int)MT7996_SSTATS_LEN);
1316 }
1317
1318 static void
mt7996_twt_teardown_request(struct ieee80211_hw * hw,struct ieee80211_sta * sta,u8 flowid)1319 mt7996_twt_teardown_request(struct ieee80211_hw *hw,
1320 struct ieee80211_sta *sta,
1321 u8 flowid)
1322 {
1323 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1324 struct mt7996_dev *dev = mt7996_hw_dev(hw);
1325
1326 mutex_lock(&dev->mt76.mutex);
1327 mt7996_mac_twt_teardown_flow(dev, msta, flowid);
1328 mutex_unlock(&dev->mt76.mutex);
1329 }
1330
1331 static int
mt7996_set_radar_background(struct ieee80211_hw * hw,struct cfg80211_chan_def * chandef)1332 mt7996_set_radar_background(struct ieee80211_hw *hw,
1333 struct cfg80211_chan_def *chandef)
1334 {
1335 struct mt7996_phy *phy = mt7996_hw_phy(hw);
1336 struct mt7996_dev *dev = phy->dev;
1337 int ret = -EINVAL;
1338 bool running;
1339
1340 mutex_lock(&dev->mt76.mutex);
1341
1342 if (dev->mt76.region == NL80211_DFS_UNSET)
1343 goto out;
1344
1345 if (dev->rdd2_phy && dev->rdd2_phy != phy) {
1346 /* rdd2 is already locked */
1347 ret = -EBUSY;
1348 goto out;
1349 }
1350
1351 /* rdd2 already configured on a radar channel */
1352 running = dev->rdd2_phy &&
1353 cfg80211_chandef_valid(&dev->rdd2_chandef) &&
1354 !!(dev->rdd2_chandef.chan->flags & IEEE80211_CHAN_RADAR);
1355
1356 if (!chandef || running ||
1357 !(chandef->chan->flags & IEEE80211_CHAN_RADAR)) {
1358 ret = mt7996_mcu_rdd_background_enable(phy, NULL);
1359 if (ret)
1360 goto out;
1361
1362 if (!running)
1363 goto update_phy;
1364 }
1365
1366 ret = mt7996_mcu_rdd_background_enable(phy, chandef);
1367 if (ret)
1368 goto out;
1369
1370 update_phy:
1371 dev->rdd2_phy = chandef ? phy : NULL;
1372 if (chandef)
1373 dev->rdd2_chandef = *chandef;
1374 out:
1375 mutex_unlock(&dev->mt76.mutex);
1376
1377 return ret;
1378 }
1379
1380 const struct ieee80211_ops mt7996_ops = {
1381 .tx = mt7996_tx,
1382 .start = mt7996_start,
1383 .stop = mt7996_stop,
1384 .add_interface = mt7996_add_interface,
1385 .remove_interface = mt7996_remove_interface,
1386 .config = mt7996_config,
1387 .conf_tx = mt7996_conf_tx,
1388 .configure_filter = mt7996_configure_filter,
1389 .bss_info_changed = mt7996_bss_info_changed,
1390 .sta_add = mt7996_sta_add,
1391 .sta_remove = mt7996_sta_remove,
1392 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
1393 .sta_rc_update = mt7996_sta_rc_update,
1394 .set_key = mt7996_set_key,
1395 .ampdu_action = mt7996_ampdu_action,
1396 .set_rts_threshold = mt7996_set_rts_threshold,
1397 .wake_tx_queue = mt76_wake_tx_queue,
1398 .sw_scan_start = mt76_sw_scan,
1399 .sw_scan_complete = mt76_sw_scan_complete,
1400 .release_buffered_frames = mt76_release_buffered_frames,
1401 .get_txpower = mt76_get_txpower,
1402 .channel_switch_beacon = mt7996_channel_switch_beacon,
1403 .get_stats = mt7996_get_stats,
1404 .get_et_sset_count = mt7996_get_et_sset_count,
1405 .get_et_stats = mt7996_get_et_stats,
1406 .get_et_strings = mt7996_get_et_strings,
1407 .get_tsf = mt7996_get_tsf,
1408 .set_tsf = mt7996_set_tsf,
1409 .offset_tsf = mt7996_offset_tsf,
1410 .get_survey = mt76_get_survey,
1411 .get_antenna = mt76_get_antenna,
1412 .set_antenna = mt7996_set_antenna,
1413 .set_bitrate_mask = mt7996_set_bitrate_mask,
1414 .set_coverage_class = mt7996_set_coverage_class,
1415 .sta_statistics = mt7996_sta_statistics,
1416 .sta_set_4addr = mt7996_sta_set_4addr,
1417 .sta_set_decap_offload = mt7996_sta_set_decap_offload,
1418 .add_twt_setup = mt7996_mac_add_twt_setup,
1419 .twt_teardown_request = mt7996_twt_teardown_request,
1420 #ifdef CONFIG_MAC80211_DEBUGFS
1421 .sta_add_debugfs = mt7996_sta_add_debugfs,
1422 #endif
1423 .set_radar_background = mt7996_set_radar_background,
1424 };
1425