1 // SPDX-License-Identifier: ISC
2 /* Copyright (C) 2023 MediaTek Inc. */
3
4 #include <linux/module.h>
5 #include <linux/firmware.h>
6 #if defined(__FreeBSD__)
7 #include <linux/delay.h>
8 #endif
9
10 #include "mt792x.h"
11 #include "dma.h"
12
13 static const struct ieee80211_iface_limit if_limits[] = {
14 {
15 .max = MT792x_MAX_INTERFACES,
16 .types = BIT(NL80211_IFTYPE_STATION)
17 },
18 {
19 .max = 1,
20 .types = BIT(NL80211_IFTYPE_AP)
21 }
22 };
23
24 static const struct ieee80211_iface_combination if_comb[] = {
25 {
26 .limits = if_limits,
27 .n_limits = ARRAY_SIZE(if_limits),
28 .max_interfaces = MT792x_MAX_INTERFACES,
29 .num_different_channels = 1,
30 .beacon_int_infra_match = true,
31 },
32 };
33
34 static const struct ieee80211_iface_limit if_limits_chanctx_mcc[] = {
35 {
36 .max = 2,
37 .types = BIT(NL80211_IFTYPE_STATION) |
38 BIT(NL80211_IFTYPE_P2P_CLIENT)
39 },
40 {
41 .max = 1,
42 .types = BIT(NL80211_IFTYPE_P2P_GO)
43 },
44 {
45 .max = 1,
46 .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
47 }
48 };
49
50 static const struct ieee80211_iface_limit if_limits_chanctx_scc[] = {
51 {
52 .max = 2,
53 .types = BIT(NL80211_IFTYPE_STATION) |
54 BIT(NL80211_IFTYPE_P2P_CLIENT)
55 },
56 {
57 .max = 1,
58 .types = BIT(NL80211_IFTYPE_AP)
59 },
60 {
61 .max = 1,
62 .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
63 }
64 };
65
66 static const struct ieee80211_iface_combination if_comb_chanctx[] = {
67 {
68 .limits = if_limits_chanctx_mcc,
69 .n_limits = ARRAY_SIZE(if_limits_chanctx_mcc),
70 .max_interfaces = 3,
71 .num_different_channels = 2,
72 .beacon_int_infra_match = false,
73 },
74 {
75 .limits = if_limits_chanctx_scc,
76 .n_limits = ARRAY_SIZE(if_limits_chanctx_scc),
77 .max_interfaces = 3,
78 .num_different_channels = 1,
79 .beacon_int_infra_match = false,
80 }
81 };
82
mt792x_tx(struct ieee80211_hw * hw,struct ieee80211_tx_control * control,struct sk_buff * skb)83 void mt792x_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
84 struct sk_buff *skb)
85 {
86 struct mt792x_dev *dev = mt792x_hw_dev(hw);
87 struct mt76_phy *mphy = hw->priv;
88 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
89 struct ieee80211_vif *vif = info->control.vif;
90 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
91 u8 link_id;
92 int qid;
93
94 if (control->sta) {
95 struct mt792x_link_sta *mlink;
96 struct mt792x_sta *sta;
97 link_id = u32_get_bits(info->control.flags,
98 IEEE80211_TX_CTRL_MLO_LINK);
99 sta = (struct mt792x_sta *)control->sta->drv_priv;
100 mlink = mt792x_sta_to_link(sta, link_id);
101 wcid = &mlink->wcid;
102 }
103
104 if (vif && !control->sta) {
105 struct mt792x_vif *mvif;
106
107 mvif = (struct mt792x_vif *)vif->drv_priv;
108 wcid = &mvif->sta.deflink.wcid;
109 }
110
111 if (vif && control->sta && ieee80211_vif_is_mld(vif)) {
112 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
113 struct ieee80211_link_sta *link_sta;
114 struct ieee80211_bss_conf *conf;
115
116 link_id = wcid->link_id;
117 rcu_read_lock();
118 conf = rcu_dereference(vif->link_conf[link_id]);
119 memcpy(hdr->addr2, conf->addr, ETH_ALEN);
120
121 link_sta = rcu_dereference(control->sta->link[link_id]);
122 memcpy(hdr->addr1, link_sta->addr, ETH_ALEN);
123
124 if (vif->type == NL80211_IFTYPE_STATION)
125 memcpy(hdr->addr3, conf->bssid, ETH_ALEN);
126 rcu_read_unlock();
127 }
128
129 if (mt76_connac_pm_ref(mphy, &dev->pm)) {
130 mt76_tx(mphy, control->sta, wcid, skb);
131 mt76_connac_pm_unref(mphy, &dev->pm);
132 return;
133 }
134
135 qid = skb_get_queue_mapping(skb);
136 if (qid >= MT_TXQ_PSD) {
137 qid = IEEE80211_AC_BE;
138 skb_set_queue_mapping(skb, qid);
139 }
140
141 mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb);
142 }
143 EXPORT_SYMBOL_GPL(mt792x_tx);
144
mt792x_stop(struct ieee80211_hw * hw,bool suspend)145 void mt792x_stop(struct ieee80211_hw *hw, bool suspend)
146 {
147 struct mt792x_dev *dev = mt792x_hw_dev(hw);
148 struct mt792x_phy *phy = mt792x_hw_phy(hw);
149
150 cancel_delayed_work_sync(&phy->mt76->mac_work);
151
152 cancel_delayed_work_sync(&dev->pm.ps_work);
153 cancel_work_sync(&dev->pm.wake_work);
154 cancel_work_sync(&dev->reset_work);
155 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
156
157 if (is_mt7921(&dev->mt76)) {
158 mt792x_mutex_acquire(dev);
159 mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false);
160 mt792x_mutex_release(dev);
161 }
162
163 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
164 }
165 EXPORT_SYMBOL_GPL(mt792x_stop);
166
mt792x_mac_link_bss_remove(struct mt792x_dev * dev,struct mt792x_bss_conf * mconf,struct mt792x_link_sta * mlink)167 void mt792x_mac_link_bss_remove(struct mt792x_dev *dev,
168 struct mt792x_bss_conf *mconf,
169 struct mt792x_link_sta *mlink)
170 {
171 struct ieee80211_vif *vif = container_of((void *)mconf->vif,
172 struct ieee80211_vif, drv_priv);
173 struct ieee80211_bss_conf *link_conf;
174 int idx = mlink->wcid.idx;
175
176 link_conf = mt792x_vif_to_bss_conf(vif, mconf->link_id);
177
178 mt76_connac_free_pending_tx_skbs(&dev->pm, &mlink->wcid);
179 mt76_connac_mcu_uni_add_dev(&dev->mphy, link_conf, &mconf->mt76,
180 &mlink->wcid, false);
181
182 rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
183
184 dev->mt76.vif_mask &= ~BIT_ULL(mconf->mt76.idx);
185 mconf->vif->phy->omac_mask &= ~BIT_ULL(mconf->mt76.omac_idx);
186
187 spin_lock_bh(&dev->mt76.sta_poll_lock);
188 if (!list_empty(&mlink->wcid.poll_list))
189 list_del_init(&mlink->wcid.poll_list);
190 spin_unlock_bh(&dev->mt76.sta_poll_lock);
191
192 mt76_wcid_cleanup(&dev->mt76, &mlink->wcid);
193 }
194 EXPORT_SYMBOL_GPL(mt792x_mac_link_bss_remove);
195
mt792x_remove_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)196 void mt792x_remove_interface(struct ieee80211_hw *hw,
197 struct ieee80211_vif *vif)
198 {
199 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
200 struct mt792x_dev *dev = mt792x_hw_dev(hw);
201 struct mt792x_bss_conf *mconf;
202
203 mt792x_mutex_acquire(dev);
204
205 mconf = mt792x_link_conf_to_mconf(&vif->bss_conf);
206 mt792x_mac_link_bss_remove(dev, mconf, &mvif->sta.deflink);
207
208 mt792x_mutex_release(dev);
209 }
210 EXPORT_SYMBOL_GPL(mt792x_remove_interface);
211
mt792x_conf_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,unsigned int link_id,u16 queue,const struct ieee80211_tx_queue_params * params)212 int mt792x_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
213 unsigned int link_id, u16 queue,
214 const struct ieee80211_tx_queue_params *params)
215 {
216 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
217
218 /* no need to update right away, we'll get BSS_CHANGED_QOS */
219 queue = mt76_connac_lmac_mapping(queue);
220 mvif->bss_conf.queue_params[queue] = *params;
221
222 return 0;
223 }
224 EXPORT_SYMBOL_GPL(mt792x_conf_tx);
225
mt792x_get_stats(struct ieee80211_hw * hw,struct ieee80211_low_level_stats * stats)226 int mt792x_get_stats(struct ieee80211_hw *hw,
227 struct ieee80211_low_level_stats *stats)
228 {
229 struct mt792x_phy *phy = mt792x_hw_phy(hw);
230 struct mt76_mib_stats *mib = &phy->mib;
231
232 mt792x_mutex_acquire(phy->dev);
233
234 stats->dot11RTSSuccessCount = mib->rts_cnt;
235 stats->dot11RTSFailureCount = mib->rts_retries_cnt;
236 stats->dot11FCSErrorCount = mib->fcs_err_cnt;
237 stats->dot11ACKFailureCount = mib->ack_fail_cnt;
238
239 mt792x_mutex_release(phy->dev);
240
241 return 0;
242 }
243 EXPORT_SYMBOL_GPL(mt792x_get_stats);
244
mt792x_get_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif)245 u64 mt792x_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
246 {
247 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
248 struct mt792x_dev *dev = mt792x_hw_dev(hw);
249 u8 omac_idx = mvif->bss_conf.mt76.omac_idx;
250 union {
251 u64 t64;
252 u32 t32[2];
253 } tsf;
254 u16 n;
255
256 mt792x_mutex_acquire(dev);
257
258 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx;
259 /* TSF software read */
260 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_MODE);
261 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(0));
262 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(0));
263
264 mt792x_mutex_release(dev);
265
266 return tsf.t64;
267 }
268 EXPORT_SYMBOL_GPL(mt792x_get_tsf);
269
mt792x_set_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u64 timestamp)270 void mt792x_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
271 u64 timestamp)
272 {
273 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
274 struct mt792x_dev *dev = mt792x_hw_dev(hw);
275 u8 omac_idx = mvif->bss_conf.mt76.omac_idx;
276 union {
277 u64 t64;
278 u32 t32[2];
279 } tsf = { .t64 = timestamp, };
280 u16 n;
281
282 mt792x_mutex_acquire(dev);
283
284 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx;
285 mt76_wr(dev, MT_LPON_UTTR0(0), tsf.t32[0]);
286 mt76_wr(dev, MT_LPON_UTTR1(0), tsf.t32[1]);
287 /* TSF software overwrite */
288 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_WRITE);
289
290 mt792x_mutex_release(dev);
291 }
292 EXPORT_SYMBOL_GPL(mt792x_set_tsf);
293
mt792x_tx_worker(struct mt76_worker * w)294 void mt792x_tx_worker(struct mt76_worker *w)
295 {
296 struct mt792x_dev *dev = container_of(w, struct mt792x_dev,
297 mt76.tx_worker);
298
299 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) {
300 queue_work(dev->mt76.wq, &dev->pm.wake_work);
301 return;
302 }
303
304 mt76_txq_schedule_all(&dev->mphy);
305 mt76_connac_pm_unref(&dev->mphy, &dev->pm);
306 }
307 EXPORT_SYMBOL_GPL(mt792x_tx_worker);
308
mt792x_roc_timer(struct timer_list * timer)309 void mt792x_roc_timer(struct timer_list *timer)
310 {
311 struct mt792x_phy *phy = timer_container_of(phy, timer, roc_timer);
312
313 ieee80211_queue_work(phy->mt76->hw, &phy->roc_work);
314 }
315 EXPORT_SYMBOL_GPL(mt792x_roc_timer);
316
mt792x_csa_timer(struct timer_list * timer)317 void mt792x_csa_timer(struct timer_list *timer)
318 {
319 struct mt792x_vif *mvif = timer_container_of(mvif, timer, csa_timer);
320
321 ieee80211_queue_work(mvif->phy->mt76->hw, &mvif->csa_work);
322 }
323 EXPORT_SYMBOL_GPL(mt792x_csa_timer);
324
mt792x_flush(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u32 queues,bool drop)325 void mt792x_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
326 u32 queues, bool drop)
327 {
328 struct mt792x_dev *dev = mt792x_hw_dev(hw);
329
330 wait_event_timeout(dev->mt76.tx_wait,
331 !mt76_has_tx_pending(&dev->mphy), HZ / 2);
332 }
333 EXPORT_SYMBOL_GPL(mt792x_flush);
334
mt792x_assign_vif_chanctx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf,struct ieee80211_chanctx_conf * ctx)335 int mt792x_assign_vif_chanctx(struct ieee80211_hw *hw,
336 struct ieee80211_vif *vif,
337 struct ieee80211_bss_conf *link_conf,
338 struct ieee80211_chanctx_conf *ctx)
339 {
340 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;
341 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
342 struct mt792x_dev *dev = mt792x_hw_dev(hw);
343
344 mutex_lock(&dev->mt76.mutex);
345 mvif->bss_conf.mt76.ctx = ctx;
346 mctx->bss_conf = &mvif->bss_conf;
347 mutex_unlock(&dev->mt76.mutex);
348
349 return 0;
350 }
351 EXPORT_SYMBOL_GPL(mt792x_assign_vif_chanctx);
352
mt792x_unassign_vif_chanctx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf,struct ieee80211_chanctx_conf * ctx)353 void mt792x_unassign_vif_chanctx(struct ieee80211_hw *hw,
354 struct ieee80211_vif *vif,
355 struct ieee80211_bss_conf *link_conf,
356 struct ieee80211_chanctx_conf *ctx)
357 {
358 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;
359 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
360 struct mt792x_dev *dev = mt792x_hw_dev(hw);
361
362 mutex_lock(&dev->mt76.mutex);
363 mctx->bss_conf = NULL;
364 mvif->bss_conf.mt76.ctx = NULL;
365 mutex_unlock(&dev->mt76.mutex);
366
367 if (vif->bss_conf.csa_active) {
368 timer_delete_sync(&mvif->csa_timer);
369 cancel_work_sync(&mvif->csa_work);
370 }
371 }
372 EXPORT_SYMBOL_GPL(mt792x_unassign_vif_chanctx);
373
mt792x_set_wakeup(struct ieee80211_hw * hw,bool enabled)374 void mt792x_set_wakeup(struct ieee80211_hw *hw, bool enabled)
375 {
376 struct mt792x_dev *dev = mt792x_hw_dev(hw);
377 struct mt76_dev *mdev = &dev->mt76;
378
379 device_set_wakeup_enable(mdev->dev, enabled);
380 }
381 EXPORT_SYMBOL_GPL(mt792x_set_wakeup);
382
383 static const char mt792x_gstrings_stats[][ETH_GSTRING_LEN] = {
384 /* tx counters */
385 "tx_ampdu_cnt",
386 "tx_mpdu_attempts",
387 "tx_mpdu_success",
388 "tx_pkt_ebf_cnt",
389 "tx_pkt_ibf_cnt",
390 "tx_ampdu_len:0-1",
391 "tx_ampdu_len:2-10",
392 "tx_ampdu_len:11-19",
393 "tx_ampdu_len:20-28",
394 "tx_ampdu_len:29-37",
395 "tx_ampdu_len:38-46",
396 "tx_ampdu_len:47-55",
397 "tx_ampdu_len:56-79",
398 "tx_ampdu_len:80-103",
399 "tx_ampdu_len:104-127",
400 "tx_ampdu_len:128-151",
401 "tx_ampdu_len:152-175",
402 "tx_ampdu_len:176-199",
403 "tx_ampdu_len:200-223",
404 "tx_ampdu_len:224-247",
405 "ba_miss_count",
406 "tx_beamformer_ppdu_iBF",
407 "tx_beamformer_ppdu_eBF",
408 "tx_beamformer_rx_feedback_all",
409 "tx_beamformer_rx_feedback_he",
410 "tx_beamformer_rx_feedback_vht",
411 "tx_beamformer_rx_feedback_ht",
412 "tx_msdu_pack_1",
413 "tx_msdu_pack_2",
414 "tx_msdu_pack_3",
415 "tx_msdu_pack_4",
416 "tx_msdu_pack_5",
417 "tx_msdu_pack_6",
418 "tx_msdu_pack_7",
419 "tx_msdu_pack_8",
420 /* rx counters */
421 "rx_mpdu_cnt",
422 "rx_ampdu_cnt",
423 "rx_ampdu_bytes_cnt",
424 "rx_ba_cnt",
425 /* per vif counters */
426 "v_tx_mode_cck",
427 "v_tx_mode_ofdm",
428 "v_tx_mode_ht",
429 "v_tx_mode_ht_gf",
430 "v_tx_mode_vht",
431 "v_tx_mode_he_su",
432 "v_tx_mode_he_ext_su",
433 "v_tx_mode_he_tb",
434 "v_tx_mode_he_mu",
435 "v_tx_mode_eht_su",
436 "v_tx_mode_eht_trig",
437 "v_tx_mode_eht_mu",
438 "v_tx_bw_20",
439 "v_tx_bw_40",
440 "v_tx_bw_80",
441 "v_tx_bw_160",
442 "v_tx_bw_320",
443 "v_tx_mcs_0",
444 "v_tx_mcs_1",
445 "v_tx_mcs_2",
446 "v_tx_mcs_3",
447 "v_tx_mcs_4",
448 "v_tx_mcs_5",
449 "v_tx_mcs_6",
450 "v_tx_mcs_7",
451 "v_tx_mcs_8",
452 "v_tx_mcs_9",
453 "v_tx_mcs_10",
454 "v_tx_mcs_11",
455 "v_tx_mcs_12",
456 "v_tx_mcs_13",
457 "v_tx_nss_1",
458 "v_tx_nss_2",
459 "v_tx_nss_3",
460 "v_tx_nss_4",
461 };
462
mt792x_get_et_strings(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u32 sset,u8 * data)463 void mt792x_get_et_strings(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
464 u32 sset, u8 *data)
465 {
466 if (sset != ETH_SS_STATS)
467 return;
468
469 memcpy(data, mt792x_gstrings_stats, sizeof(mt792x_gstrings_stats));
470
471 data += sizeof(mt792x_gstrings_stats);
472 page_pool_ethtool_stats_get_strings(data);
473 }
474 EXPORT_SYMBOL_GPL(mt792x_get_et_strings);
475
mt792x_get_et_sset_count(struct ieee80211_hw * hw,struct ieee80211_vif * vif,int sset)476 int mt792x_get_et_sset_count(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
477 int sset)
478 {
479 if (sset != ETH_SS_STATS)
480 return 0;
481
482 return ARRAY_SIZE(mt792x_gstrings_stats) +
483 page_pool_ethtool_stats_get_count();
484 }
485 EXPORT_SYMBOL_GPL(mt792x_get_et_sset_count);
486
487 static void
mt792x_ethtool_worker(void * wi_data,struct ieee80211_sta * sta)488 mt792x_ethtool_worker(void *wi_data, struct ieee80211_sta *sta)
489 {
490 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
491 struct mt76_ethtool_worker_info *wi = wi_data;
492
493 if (msta->vif->bss_conf.mt76.idx != wi->idx)
494 return;
495
496 mt76_ethtool_worker(wi, &msta->deflink.wcid.stats, true);
497 }
498
mt792x_get_et_stats(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ethtool_stats * stats,u64 * data)499 void mt792x_get_et_stats(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
500 struct ethtool_stats *stats, u64 *data)
501 {
502 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
503 int stats_size = ARRAY_SIZE(mt792x_gstrings_stats);
504 struct mt792x_phy *phy = mt792x_hw_phy(hw);
505 struct mt792x_dev *dev = phy->dev;
506 struct mt76_mib_stats *mib = &phy->mib;
507 struct mt76_ethtool_worker_info wi = {
508 .data = data,
509 .idx = mvif->bss_conf.mt76.idx,
510 };
511 int i, ei = 0;
512
513 mt792x_mutex_acquire(dev);
514
515 mt792x_mac_update_mib_stats(phy);
516
517 data[ei++] = mib->tx_ampdu_cnt;
518 data[ei++] = mib->tx_mpdu_attempts_cnt;
519 data[ei++] = mib->tx_mpdu_success_cnt;
520 data[ei++] = mib->tx_pkt_ebf_cnt;
521 data[ei++] = mib->tx_pkt_ibf_cnt;
522
523 /* Tx ampdu stat */
524 for (i = 0; i < 15; i++)
525 data[ei++] = phy->mt76->aggr_stats[i];
526
527 data[ei++] = phy->mib.ba_miss_cnt;
528
529 /* Tx Beamformer monitor */
530 data[ei++] = mib->tx_bf_ibf_ppdu_cnt;
531 data[ei++] = mib->tx_bf_ebf_ppdu_cnt;
532
533 /* Tx Beamformer Rx feedback monitor */
534 data[ei++] = mib->tx_bf_rx_fb_all_cnt;
535 data[ei++] = mib->tx_bf_rx_fb_he_cnt;
536 data[ei++] = mib->tx_bf_rx_fb_vht_cnt;
537 data[ei++] = mib->tx_bf_rx_fb_ht_cnt;
538
539 /* Tx amsdu info (pack-count histogram) */
540 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++)
541 data[ei++] = mib->tx_amsdu[i];
542
543 /* rx counters */
544 data[ei++] = mib->rx_mpdu_cnt;
545 data[ei++] = mib->rx_ampdu_cnt;
546 data[ei++] = mib->rx_ampdu_bytes_cnt;
547 data[ei++] = mib->rx_ba_cnt;
548
549 /* Add values for all stations owned by this vif */
550 wi.initial_stat_idx = ei;
551 ieee80211_iterate_stations_atomic(hw, mt792x_ethtool_worker, &wi);
552
553 mt792x_mutex_release(dev);
554
555 if (!wi.sta_count)
556 return;
557
558 ei += wi.worker_stat_count;
559
560 mt76_ethtool_page_pool_stats(&dev->mt76, &data[ei], &ei);
561 stats_size += page_pool_ethtool_stats_get_count();
562
563 if (ei != stats_size)
564 dev_err(dev->mt76.dev, "ei: %d SSTATS_LEN: %d", ei,
565 stats_size);
566 }
567 EXPORT_SYMBOL_GPL(mt792x_get_et_stats);
568
mt792x_sta_statistics(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct station_info * sinfo)569 void mt792x_sta_statistics(struct ieee80211_hw *hw,
570 struct ieee80211_vif *vif,
571 struct ieee80211_sta *sta,
572 struct station_info *sinfo)
573 {
574 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
575 struct rate_info *txrate = &msta->deflink.wcid.rate;
576
577 if (!txrate->legacy && !txrate->flags)
578 return;
579
580 if (txrate->legacy) {
581 sinfo->txrate.legacy = txrate->legacy;
582 } else {
583 sinfo->txrate.mcs = txrate->mcs;
584 sinfo->txrate.nss = txrate->nss;
585 sinfo->txrate.bw = txrate->bw;
586 sinfo->txrate.he_gi = txrate->he_gi;
587 sinfo->txrate.he_dcm = txrate->he_dcm;
588 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc;
589 }
590 sinfo->tx_failed = msta->deflink.wcid.stats.tx_failed;
591 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED);
592
593 sinfo->tx_retries = msta->deflink.wcid.stats.tx_retries;
594 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_RETRIES);
595
596 sinfo->txrate.flags = txrate->flags;
597 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
598
599 sinfo->ack_signal = (s8)msta->deflink.ack_signal;
600 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL);
601
602 sinfo->avg_ack_signal = -(s8)ewma_avg_signal_read(&msta->deflink.avg_ack_signal);
603 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG);
604 }
605 EXPORT_SYMBOL_GPL(mt792x_sta_statistics);
606
mt792x_set_coverage_class(struct ieee80211_hw * hw,int radio_idx,s16 coverage_class)607 void mt792x_set_coverage_class(struct ieee80211_hw *hw, int radio_idx,
608 s16 coverage_class)
609 {
610 struct mt792x_phy *phy = mt792x_hw_phy(hw);
611 struct mt792x_dev *dev = phy->dev;
612
613 mt792x_mutex_acquire(dev);
614
615 phy->coverage_class = max_t(s16, coverage_class, 0);
616 mt792x_mac_set_timeing(phy);
617
618 mt792x_mutex_release(dev);
619 }
620 EXPORT_SYMBOL_GPL(mt792x_set_coverage_class);
621
mt792x_init_wiphy(struct ieee80211_hw * hw)622 int mt792x_init_wiphy(struct ieee80211_hw *hw)
623 {
624 struct mt792x_phy *phy = mt792x_hw_phy(hw);
625 struct mt792x_dev *dev = phy->dev;
626 struct wiphy *wiphy = hw->wiphy;
627
628 hw->queues = 4;
629 if (dev->has_eht) {
630 hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_EHT;
631 hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_EHT;
632 } else {
633 hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE;
634 hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE;
635 }
636 hw->netdev_features = NETIF_F_RXCSUM;
637
638 hw->radiotap_timestamp.units_pos =
639 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US;
640
641 phy->slottime = 9;
642
643 hw->sta_data_size = sizeof(struct mt792x_sta);
644 hw->vif_data_size = sizeof(struct mt792x_vif);
645 hw->chanctx_data_size = sizeof(struct mt792x_chanctx);
646
647 if (dev->fw_features & MT792x_FW_CAP_CNM) {
648 wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
649 wiphy->iface_combinations = if_comb_chanctx;
650 wiphy->n_iface_combinations = ARRAY_SIZE(if_comb_chanctx);
651 } else {
652 wiphy->flags &= ~WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
653 wiphy->iface_combinations = if_comb;
654 wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
655 }
656 wiphy->flags &= ~(WIPHY_FLAG_IBSS_RSN | WIPHY_FLAG_4ADDR_AP |
657 WIPHY_FLAG_4ADDR_STATION);
658 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
659 BIT(NL80211_IFTYPE_AP) |
660 BIT(NL80211_IFTYPE_P2P_CLIENT) |
661 BIT(NL80211_IFTYPE_P2P_GO) |
662 BIT(NL80211_IFTYPE_P2P_DEVICE);
663 wiphy->max_remain_on_channel_duration = 5000;
664 wiphy->max_scan_ie_len = MT76_CONNAC_SCAN_IE_LEN;
665 wiphy->max_scan_ssids = 4;
666 wiphy->max_sched_scan_plan_interval =
667 MT76_CONNAC_MAX_TIME_SCHED_SCAN_INTERVAL;
668 wiphy->max_sched_scan_ie_len = IEEE80211_MAX_DATA_LEN;
669 wiphy->max_sched_scan_ssids = MT76_CONNAC_MAX_SCHED_SCAN_SSID;
670 wiphy->max_match_sets = MT76_CONNAC_MAX_SCAN_MATCH;
671 wiphy->max_sched_scan_reqs = 1;
672 wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH |
673 WIPHY_FLAG_SPLIT_SCAN_6GHZ;
674
675 wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
676 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
677 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_SET_SCAN_DWELL);
678 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_LEGACY);
679 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HT);
680 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_VHT);
681 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HE);
682 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT);
683 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_CAN_REPLACE_PTK0);
684
685 ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
686 ieee80211_hw_set(hw, HAS_RATE_CONTROL);
687 ieee80211_hw_set(hw, SUPPORTS_TX_ENCAP_OFFLOAD);
688 ieee80211_hw_set(hw, SUPPORTS_RX_DECAP_OFFLOAD);
689 ieee80211_hw_set(hw, WANT_MONITOR_VIF);
690 ieee80211_hw_set(hw, SUPPORTS_PS);
691 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
692 ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW);
693 ieee80211_hw_set(hw, CONNECTION_MONITOR);
694 ieee80211_hw_set(hw, NO_VIRTUAL_MONITOR);
695 if (is_mt7921(&dev->mt76))
696 ieee80211_hw_set(hw, CHANCTX_STA_CSA);
697
698 if (dev->pm.enable)
699 ieee80211_hw_set(hw, CONNECTION_MONITOR);
700
701 hw->max_tx_fragments = 4;
702
703 return 0;
704 }
705 EXPORT_SYMBOL_GPL(mt792x_init_wiphy);
706
707 static u8
mt792x_get_offload_capability(struct device * dev,const char * fw_wm)708 mt792x_get_offload_capability(struct device *dev, const char *fw_wm)
709 {
710 const struct mt76_connac2_fw_trailer *hdr;
711 #if defined(__lnux__)
712 struct mt792x_realease_info *rel_info;
713 #elif defined(__FreeBSD__)
714 const struct mt792x_realease_info *rel_info;
715 #endif
716 const struct firmware *fw;
717 int ret, i, offset = 0;
718 const u8 *data, *end;
719 u8 offload_caps = 0;
720
721 ret = request_firmware(&fw, fw_wm, dev);
722 if (ret)
723 return ret;
724
725 if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
726 dev_err(dev, "Invalid firmware\n");
727 goto out;
728 }
729
730 data = fw->data;
731 hdr = (const void *)(fw->data + fw->size - sizeof(*hdr));
732
733 for (i = 0; i < hdr->n_region; i++) {
734 const struct mt76_connac2_fw_region *region;
735
736 region = (const void *)((const u8 *)hdr -
737 (hdr->n_region - i) * sizeof(*region));
738 offset += le32_to_cpu(region->len);
739 }
740
741 data += offset + 16;
742 #if defined(__linux__)
743 rel_info = (struct mt792x_realease_info *)data;
744 #elif defined(__FreeBSD__)
745 rel_info = (const struct mt792x_realease_info *)data;
746 #endif
747 data += sizeof(*rel_info);
748 end = data + le16_to_cpu(rel_info->len);
749
750 while (data < end) {
751 #if defined(__linux__)
752 rel_info = (struct mt792x_realease_info *)data;
753 #elif defined(__FreeBSD__)
754 rel_info = (const struct mt792x_realease_info *)data;
755 #endif
756 data += sizeof(*rel_info);
757
758 if (rel_info->tag == MT792x_FW_TAG_FEATURE) {
759 #if defined(__linux__)
760 struct mt792x_fw_features *features;
761
762 features = (struct mt792x_fw_features *)data;
763 #elif defined(__FreeBSD__)
764 const struct mt792x_fw_features *features;
765
766 features = (const struct mt792x_fw_features *)data;
767 #endif
768 offload_caps = features->data;
769 break;
770 }
771
772 data += le16_to_cpu(rel_info->len) + rel_info->pad_len;
773 }
774
775 out:
776 release_firmware(fw);
777
778 return offload_caps;
779 }
780
781 struct ieee80211_ops *
mt792x_get_mac80211_ops(struct device * dev,const struct ieee80211_ops * mac80211_ops,void * drv_data,u8 * fw_features)782 mt792x_get_mac80211_ops(struct device *dev,
783 const struct ieee80211_ops *mac80211_ops,
784 void *drv_data, u8 *fw_features)
785 {
786 struct ieee80211_ops *ops;
787
788 ops = devm_kmemdup(dev, mac80211_ops, sizeof(struct ieee80211_ops),
789 GFP_KERNEL);
790 if (!ops)
791 return NULL;
792
793 *fw_features = mt792x_get_offload_capability(dev, drv_data);
794 if (!(*fw_features & MT792x_FW_CAP_CNM)) {
795 ops->remain_on_channel = NULL;
796 ops->cancel_remain_on_channel = NULL;
797 ops->add_chanctx = ieee80211_emulate_add_chanctx;
798 ops->remove_chanctx = ieee80211_emulate_remove_chanctx;
799 ops->change_chanctx = ieee80211_emulate_change_chanctx;
800 ops->switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx;
801 ops->assign_vif_chanctx = NULL;
802 ops->unassign_vif_chanctx = NULL;
803 ops->mgd_prepare_tx = NULL;
804 ops->mgd_complete_tx = NULL;
805 }
806 return ops;
807 }
808 EXPORT_SYMBOL_GPL(mt792x_get_mac80211_ops);
809
mt792x_init_wcid(struct mt792x_dev * dev)810 int mt792x_init_wcid(struct mt792x_dev *dev)
811 {
812 int idx;
813
814 /* Beacon and mgmt frames should occupy wcid 0 */
815 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1);
816 if (idx)
817 return -ENOSPC;
818
819 dev->mt76.global_wcid.idx = idx;
820 dev->mt76.global_wcid.hw_key_idx = -1;
821 dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET;
822 rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
823
824 return 0;
825 }
826 EXPORT_SYMBOL_GPL(mt792x_init_wcid);
827
mt792x_mcu_drv_pmctrl(struct mt792x_dev * dev)828 int mt792x_mcu_drv_pmctrl(struct mt792x_dev *dev)
829 {
830 struct mt76_phy *mphy = &dev->mt76.phy;
831 struct mt76_connac_pm *pm = &dev->pm;
832 int err = 0;
833
834 mutex_lock(&pm->mutex);
835
836 if (!test_bit(MT76_STATE_PM, &mphy->state))
837 goto out;
838
839 err = __mt792x_mcu_drv_pmctrl(dev);
840 out:
841 mutex_unlock(&pm->mutex);
842
843 if (err)
844 mt792x_reset(&dev->mt76);
845
846 return err;
847 }
848 EXPORT_SYMBOL_GPL(mt792x_mcu_drv_pmctrl);
849
mt792x_mcu_fw_pmctrl(struct mt792x_dev * dev)850 int mt792x_mcu_fw_pmctrl(struct mt792x_dev *dev)
851 {
852 struct mt76_phy *mphy = &dev->mt76.phy;
853 struct mt76_connac_pm *pm = &dev->pm;
854 int err = 0;
855
856 mutex_lock(&pm->mutex);
857
858 if (mt76_connac_skip_fw_pmctrl(mphy, pm))
859 goto out;
860
861 err = __mt792x_mcu_fw_pmctrl(dev);
862 out:
863 mutex_unlock(&pm->mutex);
864
865 if (err)
866 mt792x_reset(&dev->mt76);
867
868 return err;
869 }
870 EXPORT_SYMBOL_GPL(mt792x_mcu_fw_pmctrl);
871
__mt792xe_mcu_drv_pmctrl(struct mt792x_dev * dev)872 int __mt792xe_mcu_drv_pmctrl(struct mt792x_dev *dev)
873 {
874 int i, err = 0;
875
876 for (i = 0; i < MT792x_DRV_OWN_RETRY_COUNT; i++) {
877 mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_CLR_OWN);
878
879 if (dev->aspm_supported)
880 usleep_range(2000, 3000);
881
882 if (mt76_poll_msec_tick(dev, MT_CONN_ON_LPCTL,
883 PCIE_LPCR_HOST_OWN_SYNC, 0, 50, 1))
884 break;
885 }
886
887 if (i == MT792x_DRV_OWN_RETRY_COUNT) {
888 dev_err(dev->mt76.dev, "driver own failed\n");
889 err = -EIO;
890 }
891
892 return err;
893 }
894 EXPORT_SYMBOL_GPL(__mt792xe_mcu_drv_pmctrl);
895
mt792xe_mcu_drv_pmctrl(struct mt792x_dev * dev)896 int mt792xe_mcu_drv_pmctrl(struct mt792x_dev *dev)
897 {
898 struct mt76_phy *mphy = &dev->mt76.phy;
899 struct mt76_connac_pm *pm = &dev->pm;
900 int err;
901
902 err = __mt792xe_mcu_drv_pmctrl(dev);
903 if (err < 0)
904 goto out;
905
906 mt792x_wpdma_reinit_cond(dev);
907 clear_bit(MT76_STATE_PM, &mphy->state);
908
909 pm->stats.last_wake_event = jiffies;
910 pm->stats.doze_time += pm->stats.last_wake_event -
911 pm->stats.last_doze_event;
912 out:
913 return err;
914 }
915 EXPORT_SYMBOL_GPL(mt792xe_mcu_drv_pmctrl);
916
mt792xe_mcu_fw_pmctrl(struct mt792x_dev * dev)917 int mt792xe_mcu_fw_pmctrl(struct mt792x_dev *dev)
918 {
919 struct mt76_phy *mphy = &dev->mt76.phy;
920 struct mt76_connac_pm *pm = &dev->pm;
921 int i;
922
923 for (i = 0; i < MT792x_DRV_OWN_RETRY_COUNT; i++) {
924 mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_SET_OWN);
925 if (mt76_poll_msec_tick(dev, MT_CONN_ON_LPCTL,
926 PCIE_LPCR_HOST_OWN_SYNC, 4, 50, 1))
927 break;
928 }
929
930 if (i == MT792x_DRV_OWN_RETRY_COUNT) {
931 dev_err(dev->mt76.dev, "firmware own failed\n");
932 clear_bit(MT76_STATE_PM, &mphy->state);
933 return -EIO;
934 }
935
936 pm->stats.last_doze_event = jiffies;
937 pm->stats.awake_time += pm->stats.last_doze_event -
938 pm->stats.last_wake_event;
939
940 return 0;
941 }
942 EXPORT_SYMBOL_GPL(mt792xe_mcu_fw_pmctrl);
943
mt792x_load_firmware(struct mt792x_dev * dev)944 int mt792x_load_firmware(struct mt792x_dev *dev)
945 {
946 int ret;
947
948 ret = mt76_connac2_load_patch(&dev->mt76, mt792x_patch_name(dev));
949 if (ret)
950 return ret;
951
952 if (mt76_is_sdio(&dev->mt76)) {
953 /* activate again */
954 ret = __mt792x_mcu_fw_pmctrl(dev);
955 if (!ret)
956 ret = __mt792x_mcu_drv_pmctrl(dev);
957 }
958
959 ret = mt76_connac2_load_ram(&dev->mt76, mt792x_ram_name(dev), NULL);
960 if (ret)
961 return ret;
962
963 if (!mt76_poll_msec(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY,
964 MT_TOP_MISC2_FW_N9_RDY, 1500)) {
965 dev_err(dev->mt76.dev, "Timeout for initializing firmware\n");
966
967 return -EIO;
968 }
969
970 #ifdef CONFIG_PM
971 dev->mt76.hw->wiphy->wowlan = &mt76_connac_wowlan_support;
972 #endif /* CONFIG_PM */
973
974 dev_dbg(dev->mt76.dev, "Firmware init done\n");
975
976 return 0;
977 }
978 EXPORT_SYMBOL_GPL(mt792x_load_firmware);
979
mt792x_config_mac_addr_list(struct mt792x_dev * dev)980 void mt792x_config_mac_addr_list(struct mt792x_dev *dev)
981 {
982 struct ieee80211_hw *hw = mt76_hw(dev);
983 struct wiphy *wiphy = hw->wiphy;
984 int i;
985
986 for (i = 0; i < ARRAY_SIZE(dev->macaddr_list); i++) {
987 u8 *addr = dev->macaddr_list[i].addr;
988
989 memcpy(addr, dev->mphy.macaddr, ETH_ALEN);
990
991 if (!i)
992 continue;
993
994 addr[0] |= BIT(1);
995 addr[0] ^= ((i - 1) << 2);
996 }
997 wiphy->addresses = dev->macaddr_list;
998 wiphy->n_addresses = ARRAY_SIZE(dev->macaddr_list);
999 }
1000 EXPORT_SYMBOL_GPL(mt792x_config_mac_addr_list);
1001
1002 MODULE_DESCRIPTION("MediaTek MT792x core driver");
1003 MODULE_LICENSE("Dual BSD/GPL");
1004 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo@kernel.org>");
1005