1
2
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
11static 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
23static int mt7915_start(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 flush_work(&dev->init_work);
31
32 mutex_lock(&dev->mt76.mutex);
33
34 running = mt7915_dev_running(dev);
35
36 if (!running) {
37 ret = mt7915_mcu_set_pm(dev, 0, 0);
38 if (ret)
39 goto out;
40
41 ret = mt7915_mcu_set_mac(dev, 0, true, true);
42 if (ret)
43 goto out;
44
45 ret = mt7915_mcu_set_scs(dev, 0, true);
46 if (ret)
47 goto out;
48
49 mt7915_mac_enable_nf(dev, 0);
50 }
51
52 if (phy != &dev->phy) {
53 ret = mt7915_mcu_set_pm(dev, 1, 0);
54 if (ret)
55 goto out;
56
57 ret = mt7915_mcu_set_mac(dev, 1, true, true);
58 if (ret)
59 goto out;
60
61 ret = mt7915_mcu_set_scs(dev, 1, true);
62 if (ret)
63 goto out;
64
65 mt7915_mac_enable_nf(dev, 1);
66 }
67
68 ret = mt7915_mcu_set_rts_thresh(phy, 0x92b);
69 if (ret)
70 goto out;
71
72 ret = mt7915_mcu_set_sku_en(phy, true);
73 if (ret)
74 goto out;
75
76 ret = mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH));
77 if (ret)
78 goto out;
79
80 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
81
82 if (!mt76_testmode_enabled(phy->mt76))
83 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
84 MT7915_WATCHDOG_TIME);
85
86 if (!running)
87 mt7915_mac_reset_counters(phy);
88
89out:
90 mutex_unlock(&dev->mt76.mutex);
91
92 return ret;
93}
94
95static void mt7915_stop(struct ieee80211_hw *hw)
96{
97 struct mt7915_dev *dev = mt7915_hw_dev(hw);
98 struct mt7915_phy *phy = mt7915_hw_phy(hw);
99
100 cancel_delayed_work_sync(&phy->mt76->mac_work);
101
102 mutex_lock(&dev->mt76.mutex);
103
104 mt76_testmode_reset(phy->mt76, true);
105
106 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
107
108 if (phy != &dev->phy) {
109 mt7915_mcu_set_pm(dev, 1, 1);
110 mt7915_mcu_set_mac(dev, 1, false, false);
111 }
112
113 if (!mt7915_dev_running(dev)) {
114 mt7915_mcu_set_pm(dev, 0, 1);
115 mt7915_mcu_set_mac(dev, 0, false, false);
116 }
117
118 mutex_unlock(&dev->mt76.mutex);
119}
120
121static inline int get_free_idx(u32 mask, u8 start, u8 end)
122{
123 return ffs(~mask & GENMASK(end, start));
124}
125
126static int get_omac_idx(enum nl80211_iftype type, u64 mask)
127{
128 int i;
129
130 switch (type) {
131 case NL80211_IFTYPE_MESH_POINT:
132 case NL80211_IFTYPE_ADHOC:
133 case NL80211_IFTYPE_STATION:
134
135 i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3);
136 if (i)
137 return i - 1;
138
139 if (type != NL80211_IFTYPE_STATION)
140 break;
141
142 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
143 if (i)
144 return i - 1;
145
146 if (~mask & BIT(HW_BSSID_0))
147 return HW_BSSID_0;
148
149 break;
150 case NL80211_IFTYPE_MONITOR:
151 case NL80211_IFTYPE_AP:
152
153 if (~mask & BIT(HW_BSSID_0))
154 return HW_BSSID_0;
155
156 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
157 if (i)
158 return i - 1;
159
160 break;
161 default:
162 WARN_ON(1);
163 break;
164 }
165
166 return -1;
167}
168
169static void mt7915_init_bitrate_mask(struct ieee80211_vif *vif)
170{
171 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
172 int i;
173
174 for (i = 0; i < ARRAY_SIZE(mvif->bitrate_mask.control); i++) {
175 mvif->bitrate_mask.control[i].legacy = GENMASK(31, 0);
176 memset(mvif->bitrate_mask.control[i].ht_mcs, GENMASK(7, 0),
177 sizeof(mvif->bitrate_mask.control[i].ht_mcs));
178 memset(mvif->bitrate_mask.control[i].vht_mcs, GENMASK(15, 0),
179 sizeof(mvif->bitrate_mask.control[i].vht_mcs));
180 memset(mvif->bitrate_mask.control[i].he_mcs, GENMASK(15, 0),
181 sizeof(mvif->bitrate_mask.control[i].he_mcs));
182 }
183}
184
185static int mt7915_add_interface(struct ieee80211_hw *hw,
186 struct ieee80211_vif *vif)
187{
188 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
189 struct mt7915_dev *dev = mt7915_hw_dev(hw);
190 struct mt7915_phy *phy = mt7915_hw_phy(hw);
191 struct mt76_txq *mtxq;
192 bool ext_phy = phy != &dev->phy;
193 int idx, ret = 0;
194
195 mutex_lock(&dev->mt76.mutex);
196
197 mt76_testmode_reset(phy->mt76, true);
198
199 if (vif->type == NL80211_IFTYPE_MONITOR &&
200 is_zero_ether_addr(vif->addr))
201 phy->monitor_vif = vif;
202
203 mvif->idx = ffs(~dev->mt76.vif_mask) - 1;
204 if (mvif->idx >= MT7915_MAX_INTERFACES) {
205 ret = -ENOSPC;
206 goto out;
207 }
208
209 idx = get_omac_idx(vif->type, phy->omac_mask);
210 if (idx < 0) {
211 ret = -ENOSPC;
212 goto out;
213 }
214 mvif->omac_idx = idx;
215 mvif->phy = phy;
216 mvif->band_idx = ext_phy;
217
218 if (ext_phy)
219 mvif->wmm_idx = ext_phy * (MT7915_MAX_WMM_SETS / 2) +
220 mvif->idx % (MT7915_MAX_WMM_SETS / 2);
221 else
222 mvif->wmm_idx = mvif->idx % MT7915_MAX_WMM_SETS;
223
224 ret = mt7915_mcu_add_dev_info(phy, vif, true);
225 if (ret)
226 goto out;
227
228 dev->mt76.vif_mask |= BIT(mvif->idx);
229 phy->omac_mask |= BIT_ULL(mvif->omac_idx);
230
231 idx = MT7915_WTBL_RESERVED - mvif->idx;
232
233 INIT_LIST_HEAD(&mvif->sta.rc_list);
234 INIT_LIST_HEAD(&mvif->sta.stats_list);
235 INIT_LIST_HEAD(&mvif->sta.poll_list);
236 mvif->sta.wcid.idx = idx;
237 mvif->sta.wcid.ext_phy = mvif->band_idx;
238 mvif->sta.wcid.hw_key_idx = -1;
239 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET;
240 mt7915_mac_wtbl_update(dev, idx,
241 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
242
243 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
244 if (vif->txq) {
245 mtxq = (struct mt76_txq *)vif->txq->drv_priv;
246 mtxq->wcid = &mvif->sta.wcid;
247 }
248
249 if (vif->type != NL80211_IFTYPE_AP &&
250 (!mvif->omac_idx || mvif->omac_idx > 3))
251 vif->offload_flags = 0;
252 vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR;
253
254 mt7915_init_bitrate_mask(vif);
255
256out:
257 mutex_unlock(&dev->mt76.mutex);
258
259 return ret;
260}
261
262static void mt7915_remove_interface(struct ieee80211_hw *hw,
263 struct ieee80211_vif *vif)
264{
265 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
266 struct mt7915_sta *msta = &mvif->sta;
267 struct mt7915_dev *dev = mt7915_hw_dev(hw);
268 struct mt7915_phy *phy = mt7915_hw_phy(hw);
269 int idx = msta->wcid.idx;
270
271 mt7915_mcu_add_bss_info(phy, vif, false);
272 mt7915_mcu_add_sta(dev, vif, NULL, false);
273
274 mutex_lock(&dev->mt76.mutex);
275 mt76_testmode_reset(phy->mt76, true);
276 mutex_unlock(&dev->mt76.mutex);
277
278 if (vif == phy->monitor_vif)
279 phy->monitor_vif = NULL;
280
281 mt7915_mcu_add_dev_info(phy, vif, false);
282
283 rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
284
285 mutex_lock(&dev->mt76.mutex);
286 dev->mt76.vif_mask &= ~BIT(mvif->idx);
287 phy->omac_mask &= ~BIT_ULL(mvif->omac_idx);
288 mutex_unlock(&dev->mt76.mutex);
289
290 spin_lock_bh(&dev->sta_poll_lock);
291 if (!list_empty(&msta->poll_list))
292 list_del_init(&msta->poll_list);
293 spin_unlock_bh(&dev->sta_poll_lock);
294}
295
296static void mt7915_init_dfs_state(struct mt7915_phy *phy)
297{
298 struct mt76_phy *mphy = phy->mt76;
299 struct ieee80211_hw *hw = mphy->hw;
300 struct cfg80211_chan_def *chandef = &hw->conf.chandef;
301
302 if (hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
303 return;
304
305 if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR))
306 return;
307
308 if (mphy->chandef.chan->center_freq == chandef->chan->center_freq &&
309 mphy->chandef.width == chandef->width)
310 return;
311
312 phy->dfs_state = -1;
313}
314
315int mt7915_set_channel(struct mt7915_phy *phy)
316{
317 struct mt7915_dev *dev = phy->dev;
318 int ret;
319
320 cancel_delayed_work_sync(&phy->mt76->mac_work);
321
322 mutex_lock(&dev->mt76.mutex);
323 set_bit(MT76_RESET, &phy->mt76->state);
324
325 mt7915_init_dfs_state(phy);
326 mt76_set_channel(phy->mt76);
327
328 if (dev->flash_mode) {
329 ret = mt7915_mcu_apply_tx_dpd(phy);
330 if (ret)
331 goto out;
332 }
333
334 ret = mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH));
335 if (ret)
336 goto out;
337
338 mt7915_mac_set_timing(phy);
339 ret = mt7915_dfs_init_radar_detector(phy);
340 mt7915_mac_cca_stats_reset(phy);
341
342 mt7915_mac_reset_counters(phy);
343 phy->noise = 0;
344
345out:
346 clear_bit(MT76_RESET, &phy->mt76->state);
347 mutex_unlock(&dev->mt76.mutex);
348
349 mt76_txq_schedule_all(phy->mt76);
350
351 if (!mt76_testmode_enabled(phy->mt76))
352 ieee80211_queue_delayed_work(phy->mt76->hw,
353 &phy->mt76->mac_work,
354 MT7915_WATCHDOG_TIME);
355
356 return ret;
357}
358
359static int mt7915_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
360 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
361 struct ieee80211_key_conf *key)
362{
363 struct mt7915_dev *dev = mt7915_hw_dev(hw);
364 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
365 struct mt7915_sta *msta = sta ? (struct mt7915_sta *)sta->drv_priv :
366 &mvif->sta;
367 struct mt76_wcid *wcid = &msta->wcid;
368 u8 *wcid_keyidx = &wcid->hw_key_idx;
369 int idx = key->keyidx;
370 int err = 0;
371
372
373
374
375 if ((vif->type == NL80211_IFTYPE_ADHOC ||
376 vif->type == NL80211_IFTYPE_MESH_POINT) &&
377 (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
378 key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
379 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
380 return -EOPNOTSUPP;
381
382
383 switch (key->cipher) {
384 case WLAN_CIPHER_SUITE_AES_CMAC:
385 wcid_keyidx = &wcid->hw_key_idx2;
386 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
387 break;
388 case WLAN_CIPHER_SUITE_TKIP:
389 case WLAN_CIPHER_SUITE_CCMP:
390 case WLAN_CIPHER_SUITE_CCMP_256:
391 case WLAN_CIPHER_SUITE_GCMP:
392 case WLAN_CIPHER_SUITE_GCMP_256:
393 case WLAN_CIPHER_SUITE_SMS4:
394 break;
395 case WLAN_CIPHER_SUITE_WEP40:
396 case WLAN_CIPHER_SUITE_WEP104:
397 default:
398 return -EOPNOTSUPP;
399 }
400
401 mutex_lock(&dev->mt76.mutex);
402
403 if (cmd == SET_KEY)
404 *wcid_keyidx = idx;
405 else if (idx == *wcid_keyidx)
406 *wcid_keyidx = -1;
407 else
408 goto out;
409
410 mt76_wcid_key_setup(&dev->mt76, wcid,
411 cmd == SET_KEY ? key : NULL);
412
413 err = mt7915_mcu_add_key(dev, vif, msta, key, cmd);
414
415out:
416 mutex_unlock(&dev->mt76.mutex);
417
418 return err;
419}
420
421static int mt7915_config(struct ieee80211_hw *hw, u32 changed)
422{
423 struct mt7915_dev *dev = mt7915_hw_dev(hw);
424 struct mt7915_phy *phy = mt7915_hw_phy(hw);
425 bool band = phy != &dev->phy;
426 int ret;
427
428 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
429#ifdef CONFIG_NL80211_TESTMODE
430 if (phy->mt76->test.state != MT76_TM_STATE_OFF) {
431 mutex_lock(&dev->mt76.mutex);
432 mt76_testmode_reset(phy->mt76, false);
433 mutex_unlock(&dev->mt76.mutex);
434 }
435#endif
436 ieee80211_stop_queues(hw);
437 ret = mt7915_set_channel(phy);
438 if (ret)
439 return ret;
440 ieee80211_wake_queues(hw);
441 }
442
443 if (changed & IEEE80211_CONF_CHANGE_POWER) {
444 ret = mt7915_mcu_set_txpower_sku(phy);
445 if (ret)
446 return ret;
447 }
448
449 mutex_lock(&dev->mt76.mutex);
450
451 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
452 bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
453
454 if (!enabled)
455 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
456 else
457 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
458
459 mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN,
460 enabled);
461 mt76_testmode_reset(phy->mt76, true);
462 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
463 }
464
465 mutex_unlock(&dev->mt76.mutex);
466
467 return 0;
468}
469
470static int
471mt7915_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
472 const struct ieee80211_tx_queue_params *params)
473{
474 struct mt7915_dev *dev = mt7915_hw_dev(hw);
475 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
476
477
478 queue = mt7915_lmac_mapping(dev, queue);
479 mvif->queue_params[queue] = *params;
480
481 return 0;
482}
483
484static void mt7915_configure_filter(struct ieee80211_hw *hw,
485 unsigned int changed_flags,
486 unsigned int *total_flags,
487 u64 multicast)
488{
489 struct mt7915_dev *dev = mt7915_hw_dev(hw);
490 struct mt7915_phy *phy = mt7915_hw_phy(hw);
491 bool band = phy != &dev->phy;
492 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
493 MT_WF_RFCR1_DROP_BF_POLL |
494 MT_WF_RFCR1_DROP_BA |
495 MT_WF_RFCR1_DROP_CFEND |
496 MT_WF_RFCR1_DROP_CFACK;
497 u32 flags = 0;
498
499#define MT76_FILTER(_flag, _hw) do { \
500 flags |= *total_flags & FIF_##_flag; \
501 phy->rxfilter &= ~(_hw); \
502 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \
503 } while (0)
504
505 mutex_lock(&dev->mt76.mutex);
506
507 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
508 MT_WF_RFCR_DROP_OTHER_BEACON |
509 MT_WF_RFCR_DROP_FRAME_REPORT |
510 MT_WF_RFCR_DROP_PROBEREQ |
511 MT_WF_RFCR_DROP_MCAST_FILTERED |
512 MT_WF_RFCR_DROP_MCAST |
513 MT_WF_RFCR_DROP_BCAST |
514 MT_WF_RFCR_DROP_DUPLICATE |
515 MT_WF_RFCR_DROP_A2_BSSID |
516 MT_WF_RFCR_DROP_UNWANTED_CTL |
517 MT_WF_RFCR_DROP_STBC_MULTI);
518
519 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
520 MT_WF_RFCR_DROP_A3_MAC |
521 MT_WF_RFCR_DROP_A3_BSSID);
522
523 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
524
525 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
526 MT_WF_RFCR_DROP_RTS |
527 MT_WF_RFCR_DROP_CTL_RSV |
528 MT_WF_RFCR_DROP_NDPA);
529
530 *total_flags = flags;
531 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
532
533 if (*total_flags & FIF_CONTROL)
534 mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags);
535 else
536 mt76_set(dev, MT_WF_RFCR1(band), ctl_flags);
537
538 mutex_unlock(&dev->mt76.mutex);
539}
540
541static void mt7915_bss_info_changed(struct ieee80211_hw *hw,
542 struct ieee80211_vif *vif,
543 struct ieee80211_bss_conf *info,
544 u32 changed)
545{
546 struct mt7915_phy *phy = mt7915_hw_phy(hw);
547 struct mt7915_dev *dev = mt7915_hw_dev(hw);
548
549 mutex_lock(&dev->mt76.mutex);
550
551
552
553
554
555 if (changed & BSS_CHANGED_BSSID &&
556 vif->type == NL80211_IFTYPE_STATION) {
557 bool join = !is_zero_ether_addr(info->bssid);
558
559 mt7915_mcu_add_bss_info(phy, vif, join);
560 mt7915_mcu_add_sta(dev, vif, NULL, join);
561 }
562
563 if (changed & BSS_CHANGED_ASSOC) {
564 mt7915_mcu_add_bss_info(phy, vif, info->assoc);
565 mt7915_mcu_add_obss_spr(dev, vif, info->he_obss_pd.enable);
566 }
567
568 if (changed & BSS_CHANGED_ERP_SLOT) {
569 int slottime = info->use_short_slot ? 9 : 20;
570
571 if (slottime != phy->slottime) {
572 phy->slottime = slottime;
573 mt7915_mac_set_timing(phy);
574 }
575 }
576
577 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) {
578 mt7915_mcu_add_bss_info(phy, vif, true);
579 mt7915_mcu_add_sta(dev, vif, NULL, true);
580 }
581
582
583 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
584 mt7915_mcu_set_tx(dev, vif);
585
586 if (changed & BSS_CHANGED_HE_OBSS_PD)
587 mt7915_mcu_add_obss_spr(dev, vif, info->he_obss_pd.enable);
588
589 if (changed & (BSS_CHANGED_BEACON |
590 BSS_CHANGED_BEACON_ENABLED))
591 mt7915_mcu_add_beacon(hw, vif, info->enable_beacon);
592
593 mutex_unlock(&dev->mt76.mutex);
594}
595
596static void
597mt7915_channel_switch_beacon(struct ieee80211_hw *hw,
598 struct ieee80211_vif *vif,
599 struct cfg80211_chan_def *chandef)
600{
601 struct mt7915_dev *dev = mt7915_hw_dev(hw);
602
603 mutex_lock(&dev->mt76.mutex);
604 mt7915_mcu_add_beacon(hw, vif, true);
605 mutex_unlock(&dev->mt76.mutex);
606}
607
608int mt7915_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
609 struct ieee80211_sta *sta)
610{
611 struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
612 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
613 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
614 int ret, idx;
615
616 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA - 1);
617 if (idx < 0)
618 return -ENOSPC;
619
620 INIT_LIST_HEAD(&msta->rc_list);
621 INIT_LIST_HEAD(&msta->stats_list);
622 INIT_LIST_HEAD(&msta->poll_list);
623 msta->vif = mvif;
624 msta->wcid.sta = 1;
625 msta->wcid.idx = idx;
626 msta->wcid.ext_phy = mvif->band_idx;
627 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
628 msta->stats.jiffies = jiffies;
629
630 mt7915_mac_wtbl_update(dev, idx,
631 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
632
633 ret = mt7915_mcu_add_sta(dev, vif, sta, true);
634 if (ret)
635 return ret;
636
637 return mt7915_mcu_add_sta_adv(dev, vif, sta, true);
638}
639
640void mt7915_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
641 struct ieee80211_sta *sta)
642{
643 struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
644 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
645
646 mt7915_mcu_add_sta_adv(dev, vif, sta, false);
647 mt7915_mcu_add_sta(dev, vif, sta, false);
648
649 mt7915_mac_wtbl_update(dev, msta->wcid.idx,
650 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
651
652 spin_lock_bh(&dev->sta_poll_lock);
653 if (!list_empty(&msta->poll_list))
654 list_del_init(&msta->poll_list);
655 if (!list_empty(&msta->stats_list))
656 list_del_init(&msta->stats_list);
657 if (!list_empty(&msta->rc_list))
658 list_del_init(&msta->rc_list);
659 spin_unlock_bh(&dev->sta_poll_lock);
660}
661
662static void mt7915_tx(struct ieee80211_hw *hw,
663 struct ieee80211_tx_control *control,
664 struct sk_buff *skb)
665{
666 struct mt7915_dev *dev = mt7915_hw_dev(hw);
667 struct mt76_phy *mphy = hw->priv;
668 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
669 struct ieee80211_vif *vif = info->control.vif;
670 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
671
672 if (control->sta) {
673 struct mt7915_sta *sta;
674
675 sta = (struct mt7915_sta *)control->sta->drv_priv;
676 wcid = &sta->wcid;
677 }
678
679 if (vif && !control->sta) {
680 struct mt7915_vif *mvif;
681
682 mvif = (struct mt7915_vif *)vif->drv_priv;
683 wcid = &mvif->sta.wcid;
684 }
685
686 mt76_tx(mphy, control->sta, wcid, skb);
687}
688
689static int mt7915_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
690{
691 struct mt7915_dev *dev = mt7915_hw_dev(hw);
692 struct mt7915_phy *phy = mt7915_hw_phy(hw);
693 int ret;
694
695 mutex_lock(&dev->mt76.mutex);
696 ret = mt7915_mcu_set_rts_thresh(phy, val);
697 mutex_unlock(&dev->mt76.mutex);
698
699 return ret;
700}
701
702static int
703mt7915_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
704 struct ieee80211_ampdu_params *params)
705{
706 enum ieee80211_ampdu_mlme_action action = params->action;
707 struct mt7915_dev *dev = mt7915_hw_dev(hw);
708 struct ieee80211_sta *sta = params->sta;
709 struct ieee80211_txq *txq = sta->txq[params->tid];
710 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
711 u16 tid = params->tid;
712 u16 ssn = params->ssn;
713 struct mt76_txq *mtxq;
714 int ret = 0;
715
716 if (!txq)
717 return -EINVAL;
718
719 mtxq = (struct mt76_txq *)txq->drv_priv;
720
721 mutex_lock(&dev->mt76.mutex);
722 switch (action) {
723 case IEEE80211_AMPDU_RX_START:
724 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
725 params->buf_size);
726 ret = mt7915_mcu_add_rx_ba(dev, params, true);
727 break;
728 case IEEE80211_AMPDU_RX_STOP:
729 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
730 ret = mt7915_mcu_add_rx_ba(dev, params, false);
731 break;
732 case IEEE80211_AMPDU_TX_OPERATIONAL:
733 mtxq->aggr = true;
734 mtxq->send_bar = false;
735 ret = mt7915_mcu_add_tx_ba(dev, params, true);
736 break;
737 case IEEE80211_AMPDU_TX_STOP_FLUSH:
738 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
739 mtxq->aggr = false;
740 clear_bit(tid, &msta->ampdu_state);
741 ret = mt7915_mcu_add_tx_ba(dev, params, false);
742 break;
743 case IEEE80211_AMPDU_TX_START:
744 set_bit(tid, &msta->ampdu_state);
745 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
746 break;
747 case IEEE80211_AMPDU_TX_STOP_CONT:
748 mtxq->aggr = false;
749 clear_bit(tid, &msta->ampdu_state);
750 ret = mt7915_mcu_add_tx_ba(dev, params, false);
751 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
752 break;
753 }
754 mutex_unlock(&dev->mt76.mutex);
755
756 return ret;
757}
758
759static int
760mt7915_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
761 struct ieee80211_sta *sta)
762{
763 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST,
764 IEEE80211_STA_NONE);
765}
766
767static int
768mt7915_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
769 struct ieee80211_sta *sta)
770{
771 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE,
772 IEEE80211_STA_NOTEXIST);
773}
774
775static int
776mt7915_get_stats(struct ieee80211_hw *hw,
777 struct ieee80211_low_level_stats *stats)
778{
779 struct mt7915_phy *phy = mt7915_hw_phy(hw);
780 struct mt7915_dev *dev = mt7915_hw_dev(hw);
781 struct mib_stats *mib = &phy->mib;
782
783 mutex_lock(&dev->mt76.mutex);
784 stats->dot11RTSSuccessCount = mib->rts_cnt;
785 stats->dot11RTSFailureCount = mib->rts_retries_cnt;
786 stats->dot11FCSErrorCount = mib->fcs_err_cnt;
787 stats->dot11ACKFailureCount = mib->ack_fail_cnt;
788
789 memset(mib, 0, sizeof(*mib));
790
791 mutex_unlock(&dev->mt76.mutex);
792
793 return 0;
794}
795
796static u64
797mt7915_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
798{
799 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
800 struct mt7915_dev *dev = mt7915_hw_dev(hw);
801 struct mt7915_phy *phy = mt7915_hw_phy(hw);
802 bool band = phy != &dev->phy;
803 union {
804 u64 t64;
805 u32 t32[2];
806 } tsf;
807 u16 n;
808
809 mutex_lock(&dev->mt76.mutex);
810
811 n = mvif->omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : mvif->omac_idx;
812
813 mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE,
814 MT_LPON_TCR_SW_READ);
815 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(band));
816 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(band));
817
818 mutex_unlock(&dev->mt76.mutex);
819
820 return tsf.t64;
821}
822
823static void
824mt7915_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
825 u64 timestamp)
826{
827 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
828 struct mt7915_dev *dev = mt7915_hw_dev(hw);
829 struct mt7915_phy *phy = mt7915_hw_phy(hw);
830 bool band = phy != &dev->phy;
831 union {
832 u64 t64;
833 u32 t32[2];
834 } tsf = { .t64 = timestamp, };
835 u16 n;
836
837 mutex_lock(&dev->mt76.mutex);
838
839 n = mvif->omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : mvif->omac_idx;
840 mt76_wr(dev, MT_LPON_UTTR0(band), tsf.t32[0]);
841 mt76_wr(dev, MT_LPON_UTTR1(band), tsf.t32[1]);
842
843 mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE,
844 MT_LPON_TCR_SW_WRITE);
845
846 mutex_unlock(&dev->mt76.mutex);
847}
848
849static void
850mt7915_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
851 s64 timestamp)
852{
853 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
854 struct mt7915_dev *dev = mt7915_hw_dev(hw);
855 struct mt7915_phy *phy = mt7915_hw_phy(hw);
856 bool band = phy != &dev->phy;
857 union {
858 u64 t64;
859 u32 t32[2];
860 } tsf = { .t64 = timestamp, };
861 u16 n;
862
863 mutex_lock(&dev->mt76.mutex);
864
865 n = mvif->omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : mvif->omac_idx;
866 mt76_wr(dev, MT_LPON_UTTR0(band), tsf.t32[0]);
867 mt76_wr(dev, MT_LPON_UTTR1(band), tsf.t32[1]);
868
869 mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE,
870 MT_LPON_TCR_SW_ADJUST);
871
872 mutex_unlock(&dev->mt76.mutex);
873}
874
875static void
876mt7915_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
877{
878 struct mt7915_phy *phy = mt7915_hw_phy(hw);
879 struct mt7915_dev *dev = phy->dev;
880
881 mutex_lock(&dev->mt76.mutex);
882 phy->coverage_class = max_t(s16, coverage_class, 0);
883 mt7915_mac_set_timing(phy);
884 mutex_unlock(&dev->mt76.mutex);
885}
886
887static int
888mt7915_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
889{
890 struct mt7915_dev *dev = mt7915_hw_dev(hw);
891 struct mt7915_phy *phy = mt7915_hw_phy(hw);
892 int max_nss = hweight8(hw->wiphy->available_antennas_tx);
893 bool ext_phy = phy != &dev->phy;
894
895 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
896 return -EINVAL;
897
898 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
899 tx_ant = BIT(ffs(tx_ant) - 1) - 1;
900
901 mutex_lock(&dev->mt76.mutex);
902
903 phy->mt76->antenna_mask = tx_ant;
904
905 if (ext_phy) {
906 if (dev->chainmask == 0xf)
907 tx_ant <<= 2;
908 else
909 tx_ant <<= 1;
910 }
911 phy->mt76->chainmask = tx_ant;
912
913 mt76_set_stream_caps(phy->mt76, true);
914 mt7915_set_stream_vht_txbf_caps(phy);
915 mt7915_set_stream_he_caps(phy);
916
917 mutex_unlock(&dev->mt76.mutex);
918
919 return 0;
920}
921
922static void mt7915_sta_statistics(struct ieee80211_hw *hw,
923 struct ieee80211_vif *vif,
924 struct ieee80211_sta *sta,
925 struct station_info *sinfo)
926{
927 struct mt7915_phy *phy = mt7915_hw_phy(hw);
928 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
929 struct mt7915_sta_stats *stats = &msta->stats;
930 struct rate_info rxrate = {};
931
932 if (!mt7915_mcu_get_rx_rate(phy, vif, sta, &rxrate)) {
933 sinfo->rxrate = rxrate;
934 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BITRATE);
935 }
936
937 if (!stats->tx_rate.legacy && !stats->tx_rate.flags)
938 return;
939
940 if (stats->tx_rate.legacy) {
941 sinfo->txrate.legacy = stats->tx_rate.legacy;
942 } else {
943 sinfo->txrate.mcs = stats->tx_rate.mcs;
944 sinfo->txrate.nss = stats->tx_rate.nss;
945 sinfo->txrate.bw = stats->tx_rate.bw;
946 sinfo->txrate.he_gi = stats->tx_rate.he_gi;
947 sinfo->txrate.he_dcm = stats->tx_rate.he_dcm;
948 sinfo->txrate.he_ru_alloc = stats->tx_rate.he_ru_alloc;
949 }
950 sinfo->txrate.flags = stats->tx_rate.flags;
951 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
952}
953
954static void mt7915_sta_rc_work(void *data, struct ieee80211_sta *sta)
955{
956 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
957 struct mt7915_dev *dev = msta->vif->phy->dev;
958 struct ieee80211_hw *hw = msta->vif->phy->mt76->hw;
959 u32 *changed = data;
960
961 spin_lock_bh(&dev->sta_poll_lock);
962 msta->stats.changed |= *changed;
963 if (list_empty(&msta->rc_list))
964 list_add_tail(&msta->rc_list, &dev->sta_rc_list);
965 spin_unlock_bh(&dev->sta_poll_lock);
966
967 ieee80211_queue_work(hw, &dev->rc_work);
968}
969
970static void mt7915_sta_rc_update(struct ieee80211_hw *hw,
971 struct ieee80211_vif *vif,
972 struct ieee80211_sta *sta,
973 u32 changed)
974{
975 mt7915_sta_rc_work(&changed, sta);
976}
977
978static int
979mt7915_set_bitrate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
980 const struct cfg80211_bitrate_mask *mask)
981{
982 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
983 enum nl80211_band band = mvif->phy->mt76->chandef.chan->band;
984 u32 changed;
985
986 if (mask->control[band].gi == NL80211_TXRATE_FORCE_LGI)
987 return -EINVAL;
988
989 changed = IEEE80211_RC_SUPP_RATES_CHANGED;
990 mvif->bitrate_mask = *mask;
991
992
993
994
995
996
997
998 ieee80211_iterate_stations_atomic(hw, mt7915_sta_rc_work, &changed);
999
1000 return 0;
1001}
1002
1003static void mt7915_sta_set_4addr(struct ieee80211_hw *hw,
1004 struct ieee80211_vif *vif,
1005 struct ieee80211_sta *sta,
1006 bool enabled)
1007{
1008 struct mt7915_dev *dev = mt7915_hw_dev(hw);
1009 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
1010
1011 if (enabled)
1012 set_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags);
1013 else
1014 clear_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags);
1015
1016 mt7915_mcu_sta_update_hdr_trans(dev, vif, sta);
1017}
1018
1019static void mt7915_sta_set_decap_offload(struct ieee80211_hw *hw,
1020 struct ieee80211_vif *vif,
1021 struct ieee80211_sta *sta,
1022 bool enabled)
1023{
1024 struct mt7915_dev *dev = mt7915_hw_dev(hw);
1025 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
1026
1027 if (enabled)
1028 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1029 else
1030 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1031
1032 mt7915_mcu_sta_update_hdr_trans(dev, vif, sta);
1033}
1034
1035const struct ieee80211_ops mt7915_ops = {
1036 .tx = mt7915_tx,
1037 .start = mt7915_start,
1038 .stop = mt7915_stop,
1039 .add_interface = mt7915_add_interface,
1040 .remove_interface = mt7915_remove_interface,
1041 .config = mt7915_config,
1042 .conf_tx = mt7915_conf_tx,
1043 .configure_filter = mt7915_configure_filter,
1044 .bss_info_changed = mt7915_bss_info_changed,
1045 .sta_add = mt7915_sta_add,
1046 .sta_remove = mt7915_sta_remove,
1047 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
1048 .sta_rc_update = mt7915_sta_rc_update,
1049 .set_key = mt7915_set_key,
1050 .ampdu_action = mt7915_ampdu_action,
1051 .set_rts_threshold = mt7915_set_rts_threshold,
1052 .wake_tx_queue = mt76_wake_tx_queue,
1053 .sw_scan_start = mt76_sw_scan,
1054 .sw_scan_complete = mt76_sw_scan_complete,
1055 .release_buffered_frames = mt76_release_buffered_frames,
1056 .get_txpower = mt76_get_txpower,
1057 .channel_switch_beacon = mt7915_channel_switch_beacon,
1058 .get_stats = mt7915_get_stats,
1059 .get_tsf = mt7915_get_tsf,
1060 .set_tsf = mt7915_set_tsf,
1061 .offset_tsf = mt7915_offset_tsf,
1062 .get_survey = mt76_get_survey,
1063 .get_antenna = mt76_get_antenna,
1064 .set_antenna = mt7915_set_antenna,
1065 .set_bitrate_mask = mt7915_set_bitrate_mask,
1066 .set_coverage_class = mt7915_set_coverage_class,
1067 .sta_statistics = mt7915_sta_statistics,
1068 .sta_set_4addr = mt7915_sta_set_4addr,
1069 .sta_set_decap_offload = mt7915_sta_set_decap_offload,
1070 CFG80211_TESTMODE_CMD(mt76_testmode_cmd)
1071 CFG80211_TESTMODE_DUMP(mt76_testmode_dump)
1072#ifdef CONFIG_MAC80211_DEBUGFS
1073 .sta_add_debugfs = mt7915_sta_add_debugfs,
1074#endif
1075};
1076