blob: a6d9cc8bd799668df991b717baf3d2912375dc3c [file] [log] [blame]
developerb11a5392022-03-31 00:34:47 +08001// SPDX-License-Identifier: ISC
2/* Copyright (C) 2020 MediaTek Inc. */
3
4#include <linux/etherdevice.h>
5#include <linux/platform_device.h>
6#include <linux/pci.h>
7#include <linux/module.h>
8#include "mt7921.h"
9#include "mcu.h"
10
11static void
12mt7921_gen_ppe_thresh(u8 *he_ppet, int nss)
13{
14 u8 i, ppet_bits, ppet_size, ru_bit_mask = 0x7; /* HE80 */
developer66cd2092022-05-10 15:43:01 +080015 static const u8 ppet16_ppet8_ru3_ru0[] = {0x1c, 0xc7, 0x71};
developerb11a5392022-03-31 00:34:47 +080016
17 he_ppet[0] = FIELD_PREP(IEEE80211_PPE_THRES_NSS_MASK, nss - 1) |
18 FIELD_PREP(IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK,
19 ru_bit_mask);
20
21 ppet_bits = IEEE80211_PPE_THRES_INFO_PPET_SIZE *
22 nss * hweight8(ru_bit_mask) * 2;
23 ppet_size = DIV_ROUND_UP(ppet_bits, 8);
24
25 for (i = 0; i < ppet_size - 1; i++)
26 he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3];
27
28 he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3] &
29 (0xff >> (8 - (ppet_bits - 1) % 8));
30}
31
32static int
33mt7921_init_he_caps(struct mt7921_phy *phy, enum nl80211_band band,
34 struct ieee80211_sband_iftype_data *data)
35{
36 int i, idx = 0;
37 int nss = hweight8(phy->mt76->chainmask);
38 u16 mcs_map = 0;
39
40 for (i = 0; i < 8; i++) {
41 if (i < nss)
42 mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2));
43 else
44 mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2));
45 }
46
47 for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
48 struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap;
49 struct ieee80211_he_cap_elem *he_cap_elem =
50 &he_cap->he_cap_elem;
51 struct ieee80211_he_mcs_nss_supp *he_mcs =
52 &he_cap->he_mcs_nss_supp;
53
54 switch (i) {
55 case NL80211_IFTYPE_STATION:
developer66cd2092022-05-10 15:43:01 +080056 case NL80211_IFTYPE_AP:
developerb11a5392022-03-31 00:34:47 +080057 break;
58 default:
59 continue;
60 }
61
62 data[idx].types_mask = BIT(i);
63 he_cap->has_he = true;
64
65 he_cap_elem->mac_cap_info[0] =
66 IEEE80211_HE_MAC_CAP0_HTC_HE;
67 he_cap_elem->mac_cap_info[3] =
68 IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
69 IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3;
70 he_cap_elem->mac_cap_info[4] =
71 IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU;
72
73 if (band == NL80211_BAND_2GHZ)
74 he_cap_elem->phy_cap_info[0] =
75 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
76 else
77 he_cap_elem->phy_cap_info[0] =
78 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G;
79
80 he_cap_elem->phy_cap_info[1] =
81 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;
82 he_cap_elem->phy_cap_info[2] =
83 IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US |
84 IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ |
85 IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ |
86 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |
87 IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO;
88
89 switch (i) {
developer66cd2092022-05-10 15:43:01 +080090 case NL80211_IFTYPE_AP:
91 he_cap_elem->mac_cap_info[2] |=
92 IEEE80211_HE_MAC_CAP2_BSR;
93 he_cap_elem->mac_cap_info[4] |=
94 IEEE80211_HE_MAC_CAP4_BQR;
95 he_cap_elem->mac_cap_info[5] |=
96 IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX;
97 he_cap_elem->phy_cap_info[3] |=
98 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
99 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
100 he_cap_elem->phy_cap_info[6] |=
101 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE |
102 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
103 he_cap_elem->phy_cap_info[9] |=
104 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
105 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU;
106 break;
developerb11a5392022-03-31 00:34:47 +0800107 case NL80211_IFTYPE_STATION:
108 he_cap_elem->mac_cap_info[1] |=
109 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US;
110
111 if (band == NL80211_BAND_2GHZ)
112 he_cap_elem->phy_cap_info[0] |=
113 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G;
114 else
115 he_cap_elem->phy_cap_info[0] |=
116 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G;
117
118 he_cap_elem->phy_cap_info[1] |=
119 IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A |
120 IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US;
121 he_cap_elem->phy_cap_info[3] |=
122 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
123 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
124 he_cap_elem->phy_cap_info[4] |=
125 IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE |
126 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4;
127 he_cap_elem->phy_cap_info[5] |=
128 IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK |
129 IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK;
130 he_cap_elem->phy_cap_info[6] |=
131 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU |
132 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU |
133 IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB |
134 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE |
135 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
136 he_cap_elem->phy_cap_info[7] |=
137 IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP |
138 IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI;
139 he_cap_elem->phy_cap_info[8] |=
140 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G |
141 IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484;
142 he_cap_elem->phy_cap_info[9] |=
143 IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM |
144 IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK |
145 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
146 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU |
147 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB |
148 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB;
149
150 if (is_mt7922(phy->mt76->dev)) {
151 he_cap_elem->phy_cap_info[0] |=
152 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
153 he_cap_elem->phy_cap_info[8] |=
154 IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU |
155 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU;
156 }
157 break;
158 }
159
160 he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map);
161 he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map);
162 if (is_mt7922(phy->mt76->dev)) {
163 he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map);
164 he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map);
165 }
166
167 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));
168 if (he_cap_elem->phy_cap_info[6] &
169 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
170 mt7921_gen_ppe_thresh(he_cap->ppe_thres, nss);
171 } else {
172 he_cap_elem->phy_cap_info[9] |=
173 IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US;
174 }
175
176 if (band == NL80211_BAND_6GHZ) {
177 struct ieee80211_supported_band *sband =
178 &phy->mt76->sband_5g.sband;
179 struct ieee80211_sta_vht_cap *vht_cap = &sband->vht_cap;
180 struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap;
181 u32 exp;
182 u16 cap;
183
184 cap = u16_encode_bits(ht_cap->ampdu_density,
185 IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START);
186 exp = u32_get_bits(vht_cap->cap,
187 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK);
188 cap |= u16_encode_bits(exp,
189 IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP);
190 exp = u32_get_bits(vht_cap->cap,
191 IEEE80211_VHT_CAP_MAX_MPDU_MASK);
192 cap |= u16_encode_bits(exp,
193 IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN);
194 if (vht_cap->cap & IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN)
195 cap |= IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS;
196 if (vht_cap->cap & IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN)
197 cap |= IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS;
198
199 data[idx].he_6ghz_capa.capa = cpu_to_le16(cap);
200 }
201 idx++;
202 }
203
204 return idx;
205}
206
207void mt7921_set_stream_he_caps(struct mt7921_phy *phy)
208{
209 struct ieee80211_sband_iftype_data *data;
210 struct ieee80211_supported_band *band;
211 int n;
212
213 if (phy->mt76->cap.has_2ghz) {
214 data = phy->iftype[NL80211_BAND_2GHZ];
215 n = mt7921_init_he_caps(phy, NL80211_BAND_2GHZ, data);
216
217 band = &phy->mt76->sband_2g.sband;
218 band->iftype_data = data;
219 band->n_iftype_data = n;
220 }
221
222 if (phy->mt76->cap.has_5ghz) {
223 data = phy->iftype[NL80211_BAND_5GHZ];
224 n = mt7921_init_he_caps(phy, NL80211_BAND_5GHZ, data);
225
226 band = &phy->mt76->sband_5g.sband;
227 band->iftype_data = data;
228 band->n_iftype_data = n;
229
230 if (phy->mt76->cap.has_6ghz) {
231 data = phy->iftype[NL80211_BAND_6GHZ];
232 n = mt7921_init_he_caps(phy, NL80211_BAND_6GHZ, data);
233
234 band = &phy->mt76->sband_6g.sband;
235 band->iftype_data = data;
236 band->n_iftype_data = n;
237 }
238 }
239}
240
241int __mt7921_start(struct mt7921_phy *phy)
242{
243 struct mt76_phy *mphy = phy->mt76;
244 int err;
245
246 err = mt76_connac_mcu_set_mac_enable(mphy->dev, 0, true, false);
247 if (err)
248 return err;
249
250 err = mt76_connac_mcu_set_channel_domain(mphy);
251 if (err)
252 return err;
253
254 err = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH));
255 if (err)
256 return err;
257
258 err = mt76_connac_mcu_set_rate_txpower(phy->mt76);
259 if (err)
260 return err;
261
262 mt7921_mac_reset_counters(phy);
263 set_bit(MT76_STATE_RUNNING, &mphy->state);
264
265 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work,
266 MT7921_WATCHDOG_TIME);
267
268 return 0;
269}
270EXPORT_SYMBOL_GPL(__mt7921_start);
271
272static int mt7921_start(struct ieee80211_hw *hw)
273{
274 struct mt7921_phy *phy = mt7921_hw_phy(hw);
275 int err;
276
277 mt7921_mutex_acquire(phy->dev);
278 err = __mt7921_start(phy);
279 mt7921_mutex_release(phy->dev);
280
281 return err;
282}
283
284void mt7921_stop(struct ieee80211_hw *hw)
285{
286 struct mt7921_dev *dev = mt7921_hw_dev(hw);
287 struct mt7921_phy *phy = mt7921_hw_phy(hw);
288
289 cancel_delayed_work_sync(&phy->mt76->mac_work);
290
291 cancel_delayed_work_sync(&dev->pm.ps_work);
292 cancel_work_sync(&dev->pm.wake_work);
293 cancel_work_sync(&dev->reset_work);
294 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
295
296 mt7921_mutex_acquire(dev);
297 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
298 mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false);
299 mt7921_mutex_release(dev);
300}
301EXPORT_SYMBOL_GPL(mt7921_stop);
302
303static int mt7921_add_interface(struct ieee80211_hw *hw,
304 struct ieee80211_vif *vif)
305{
306 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
307 struct mt7921_dev *dev = mt7921_hw_dev(hw);
308 struct mt7921_phy *phy = mt7921_hw_phy(hw);
309 struct mt76_txq *mtxq;
310 int idx, ret = 0;
311
312 mt7921_mutex_acquire(dev);
313
314 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask);
315 if (mvif->mt76.idx >= MT7921_MAX_INTERFACES) {
316 ret = -ENOSPC;
317 goto out;
318 }
319
320 mvif->mt76.omac_idx = mvif->mt76.idx;
321 mvif->phy = phy;
322 mvif->mt76.band_idx = 0;
323 mvif->mt76.wmm_idx = mvif->mt76.idx % MT7921_MAX_WMM_SETS;
324
325 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid,
326 true);
327 if (ret)
328 goto out;
329
330 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx);
331 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
332
333 idx = MT7921_WTBL_RESERVED - mvif->mt76.idx;
334
335 INIT_LIST_HEAD(&mvif->sta.poll_list);
336 mvif->sta.wcid.idx = idx;
337 mvif->sta.wcid.ext_phy = mvif->mt76.band_idx;
338 mvif->sta.wcid.hw_key_idx = -1;
339 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET;
340 mt76_packet_id_init(&mvif->sta.wcid);
341
342 mt7921_mac_wtbl_update(dev, idx,
343 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
344
345 ewma_rssi_init(&mvif->rssi);
346
347 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
348 if (vif->txq) {
349 mtxq = (struct mt76_txq *)vif->txq->drv_priv;
350 mtxq->wcid = idx;
351 }
352
353out:
354 mt7921_mutex_release(dev);
355
356 return ret;
357}
358
359static void mt7921_remove_interface(struct ieee80211_hw *hw,
360 struct ieee80211_vif *vif)
361{
362 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
363 struct mt7921_sta *msta = &mvif->sta;
364 struct mt7921_dev *dev = mt7921_hw_dev(hw);
365 struct mt7921_phy *phy = mt7921_hw_phy(hw);
366 int idx = msta->wcid.idx;
367
368 mt7921_mutex_acquire(dev);
369 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
370 mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, false);
371
372 rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
373
374 dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx);
375 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
376 mt7921_mutex_release(dev);
377
378 spin_lock_bh(&dev->sta_poll_lock);
379 if (!list_empty(&msta->poll_list))
380 list_del_init(&msta->poll_list);
381 spin_unlock_bh(&dev->sta_poll_lock);
382
383 mt76_packet_id_flush(&dev->mt76, &msta->wcid);
384}
385
386static int mt7921_set_channel(struct mt7921_phy *phy)
387{
388 struct mt7921_dev *dev = phy->dev;
389 int ret;
390
391 cancel_delayed_work_sync(&phy->mt76->mac_work);
392
393 mt7921_mutex_acquire(dev);
394 set_bit(MT76_RESET, &phy->mt76->state);
395
396 mt76_set_channel(phy->mt76);
397
398 ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH));
399 if (ret)
400 goto out;
401
402 mt7921_mac_set_timing(phy);
403
404 mt7921_mac_reset_counters(phy);
405 phy->noise = 0;
406
407out:
408 clear_bit(MT76_RESET, &phy->mt76->state);
409 mt7921_mutex_release(dev);
410
411 mt76_worker_schedule(&dev->mt76.tx_worker);
412 ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mt76->mac_work,
413 MT7921_WATCHDOG_TIME);
414
415 return ret;
416}
417
418static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
419 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
420 struct ieee80211_key_conf *key)
421{
422 struct mt7921_dev *dev = mt7921_hw_dev(hw);
423 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
424 struct mt7921_sta *msta = sta ? (struct mt7921_sta *)sta->drv_priv :
425 &mvif->sta;
426 struct mt76_wcid *wcid = &msta->wcid;
427 u8 *wcid_keyidx = &wcid->hw_key_idx;
428 int idx = key->keyidx, err = 0;
429
430 /* The hardware does not support per-STA RX GTK, fallback
431 * to software mode for these.
432 */
433 if ((vif->type == NL80211_IFTYPE_ADHOC ||
434 vif->type == NL80211_IFTYPE_MESH_POINT) &&
435 (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
436 key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
437 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
438 return -EOPNOTSUPP;
439
440 /* fall back to sw encryption for unsupported ciphers */
441 switch (key->cipher) {
442 case WLAN_CIPHER_SUITE_AES_CMAC:
443 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
444 wcid_keyidx = &wcid->hw_key_idx2;
445 break;
446 case WLAN_CIPHER_SUITE_WEP40:
447 case WLAN_CIPHER_SUITE_WEP104:
448 if (!mvif->wep_sta)
449 return -EOPNOTSUPP;
450 break;
451 case WLAN_CIPHER_SUITE_TKIP:
452 case WLAN_CIPHER_SUITE_CCMP:
453 case WLAN_CIPHER_SUITE_CCMP_256:
454 case WLAN_CIPHER_SUITE_GCMP:
455 case WLAN_CIPHER_SUITE_GCMP_256:
456 case WLAN_CIPHER_SUITE_SMS4:
457 break;
458 default:
459 return -EOPNOTSUPP;
460 }
461
462 mt7921_mutex_acquire(dev);
463
464 if (cmd == SET_KEY)
465 *wcid_keyidx = idx;
466 else if (idx == *wcid_keyidx)
467 *wcid_keyidx = -1;
468 else
469 goto out;
470
471 mt76_wcid_key_setup(&dev->mt76, wcid,
472 cmd == SET_KEY ? key : NULL);
473
474 err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->bip,
475 key, MCU_UNI_CMD(STA_REC_UPDATE),
476 &msta->wcid, cmd);
477 if (err)
478 goto out;
479
480 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 ||
481 key->cipher == WLAN_CIPHER_SUITE_WEP40)
482 err = mt76_connac_mcu_add_key(&dev->mt76, vif,
483 &mvif->wep_sta->bip,
484 key, MCU_UNI_CMD(STA_REC_UPDATE),
485 &mvif->wep_sta->wcid, cmd);
486out:
487 mt7921_mutex_release(dev);
488
489 return err;
490}
491
492static void
493mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
494{
495 struct mt7921_dev *dev = priv;
496
497 mt7921_mcu_set_beacon_filter(dev, vif, dev->pm.enable);
498}
499
500static void
501mt7921_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
502{
503 struct mt7921_dev *dev = priv;
504 struct ieee80211_hw *hw = mt76_hw(dev);
505 struct mt76_connac_pm *pm = &dev->pm;
506 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
507
508 mt7921_mcu_set_sniffer(dev, vif, monitor);
509 pm->enable = pm->enable_user && !monitor;
510 pm->ds_enable = pm->ds_enable_user && !monitor;
511
512 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable);
513
514 if (monitor)
515 mt7921_mcu_set_beacon_filter(dev, vif, false);
516}
517
518void mt7921_set_runtime_pm(struct mt7921_dev *dev)
519{
520 struct ieee80211_hw *hw = mt76_hw(dev);
521 struct mt76_connac_pm *pm = &dev->pm;
522 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
523
524 pm->enable = pm->enable_user && !monitor;
525 ieee80211_iterate_active_interfaces(hw,
526 IEEE80211_IFACE_ITER_RESUME_ALL,
527 mt7921_pm_interface_iter, dev);
528 pm->ds_enable = pm->ds_enable_user && !monitor;
529 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable);
530}
531
532static int mt7921_config(struct ieee80211_hw *hw, u32 changed)
533{
534 struct mt7921_dev *dev = mt7921_hw_dev(hw);
535 struct mt7921_phy *phy = mt7921_hw_phy(hw);
536 int ret = 0;
537
538 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
539 ieee80211_stop_queues(hw);
540 ret = mt7921_set_channel(phy);
541 if (ret)
542 return ret;
543 ieee80211_wake_queues(hw);
544 }
545
546 mt7921_mutex_acquire(dev);
547
548 if (changed & IEEE80211_CONF_CHANGE_POWER) {
549 ret = mt76_connac_mcu_set_rate_txpower(phy->mt76);
550 if (ret)
551 goto out;
552 }
553
554 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
555 ieee80211_iterate_active_interfaces(hw,
556 IEEE80211_IFACE_ITER_RESUME_ALL,
557 mt7921_sniffer_interface_iter, dev);
558 dev->mt76.rxfilter = mt76_rr(dev, MT_WF_RFCR(0));
559 }
560
561out:
562 mt7921_mutex_release(dev);
563
564 return ret;
565}
566
567static int
568mt7921_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
569 const struct ieee80211_tx_queue_params *params)
570{
571 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
572
573 /* no need to update right away, we'll get BSS_CHANGED_QOS */
574 queue = mt76_connac_lmac_mapping(queue);
575 mvif->queue_params[queue] = *params;
576
577 return 0;
578}
579
580static void mt7921_configure_filter(struct ieee80211_hw *hw,
581 unsigned int changed_flags,
582 unsigned int *total_flags,
583 u64 multicast)
584{
585 struct mt7921_dev *dev = mt7921_hw_dev(hw);
586 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
587 MT_WF_RFCR1_DROP_BF_POLL |
588 MT_WF_RFCR1_DROP_BA |
589 MT_WF_RFCR1_DROP_CFEND |
590 MT_WF_RFCR1_DROP_CFACK;
591 u32 flags = 0;
592
593#define MT76_FILTER(_flag, _hw) do { \
594 flags |= *total_flags & FIF_##_flag; \
595 dev->mt76.rxfilter &= ~(_hw); \
596 dev->mt76.rxfilter |= !(flags & FIF_##_flag) * (_hw); \
597 } while (0)
598
599 mt7921_mutex_acquire(dev);
600
601 dev->mt76.rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
602 MT_WF_RFCR_DROP_OTHER_BEACON |
603 MT_WF_RFCR_DROP_FRAME_REPORT |
604 MT_WF_RFCR_DROP_PROBEREQ |
605 MT_WF_RFCR_DROP_MCAST_FILTERED |
606 MT_WF_RFCR_DROP_MCAST |
607 MT_WF_RFCR_DROP_BCAST |
608 MT_WF_RFCR_DROP_DUPLICATE |
609 MT_WF_RFCR_DROP_A2_BSSID |
610 MT_WF_RFCR_DROP_UNWANTED_CTL |
611 MT_WF_RFCR_DROP_STBC_MULTI);
612
613 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
614 MT_WF_RFCR_DROP_A3_MAC |
615 MT_WF_RFCR_DROP_A3_BSSID);
616
617 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
618
619 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
620 MT_WF_RFCR_DROP_RTS |
621 MT_WF_RFCR_DROP_CTL_RSV |
622 MT_WF_RFCR_DROP_NDPA);
623
624 *total_flags = flags;
625 mt76_wr(dev, MT_WF_RFCR(0), dev->mt76.rxfilter);
626
627 if (*total_flags & FIF_CONTROL)
628 mt76_clear(dev, MT_WF_RFCR1(0), ctl_flags);
629 else
630 mt76_set(dev, MT_WF_RFCR1(0), ctl_flags);
631
632 mt7921_mutex_release(dev);
633}
634
635static void mt7921_bss_info_changed(struct ieee80211_hw *hw,
636 struct ieee80211_vif *vif,
637 struct ieee80211_bss_conf *info,
638 u32 changed)
639{
640 struct mt7921_phy *phy = mt7921_hw_phy(hw);
641 struct mt7921_dev *dev = mt7921_hw_dev(hw);
642
643 mt7921_mutex_acquire(dev);
644
645 if (changed & BSS_CHANGED_ERP_SLOT) {
646 int slottime = info->use_short_slot ? 9 : 20;
647
648 if (slottime != phy->slottime) {
649 phy->slottime = slottime;
650 mt7921_mac_set_timing(phy);
651 }
652 }
653
developer66cd2092022-05-10 15:43:01 +0800654 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) {
655 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
656
657 mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid,
658 true);
659 mt7921_mcu_sta_update(dev, NULL, vif, true,
660 MT76_STA_INFO_STATE_NONE);
661 }
662
663 if (changed & (BSS_CHANGED_BEACON |
664 BSS_CHANGED_BEACON_ENABLED))
665 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif,
666 info->enable_beacon);
667
developerb11a5392022-03-31 00:34:47 +0800668 /* ensure that enable txcmd_mode after bss_info */
669 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
670 mt7921_mcu_set_tx(dev, vif);
671
672 if (changed & BSS_CHANGED_PS)
673 mt7921_mcu_uni_bss_ps(dev, vif);
674
675 if (changed & BSS_CHANGED_ASSOC) {
676 mt7921_mcu_sta_update(dev, NULL, vif, true,
677 MT76_STA_INFO_STATE_ASSOC);
678 if (dev->pm.enable)
679 mt7921_mcu_set_beacon_filter(dev, vif, info->assoc);
680 }
681
682 if (changed & BSS_CHANGED_ARP_FILTER) {
683 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
684
685 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76,
686 info);
687 }
688
689 mt7921_mutex_release(dev);
690}
691
692int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
693 struct ieee80211_sta *sta)
694{
695 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
696 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
697 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
698 int ret, idx;
699
700 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1);
701 if (idx < 0)
702 return -ENOSPC;
703
704 INIT_LIST_HEAD(&msta->poll_list);
705 msta->vif = mvif;
706 msta->wcid.sta = 1;
707 msta->wcid.idx = idx;
708 msta->wcid.ext_phy = mvif->mt76.band_idx;
709 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
710 msta->last_txs = jiffies;
711
712 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm);
713 if (ret)
714 return ret;
715
716 if (vif->type == NL80211_IFTYPE_STATION)
717 mvif->wep_sta = msta;
718
719 mt7921_mac_wtbl_update(dev, idx,
720 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
721
722 ret = mt7921_mcu_sta_update(dev, sta, vif, true,
723 MT76_STA_INFO_STATE_NONE);
724 if (ret)
725 return ret;
726
727 mt76_connac_power_save_sched(&dev->mphy, &dev->pm);
728
729 return 0;
730}
731EXPORT_SYMBOL_GPL(mt7921_mac_sta_add);
732
733void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif,
734 struct ieee80211_sta *sta)
735{
736 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
737 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
738 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
739
740 mt7921_mutex_acquire(dev);
741
742 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
743 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.wcid,
744 true);
745
746 mt7921_mac_wtbl_update(dev, msta->wcid.idx,
747 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
748
749 mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC);
750
751 mt7921_mutex_release(dev);
752}
753EXPORT_SYMBOL_GPL(mt7921_mac_sta_assoc);
754
755void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
756 struct ieee80211_sta *sta)
757{
758 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
759 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
760
761 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
762 mt76_connac_pm_wake(&dev->mphy, &dev->pm);
763
764 mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE);
765 mt7921_mac_wtbl_update(dev, msta->wcid.idx,
766 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
767
768 if (vif->type == NL80211_IFTYPE_STATION) {
769 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
770
771 mvif->wep_sta = NULL;
772 ewma_rssi_init(&mvif->rssi);
773 if (!sta->tdls)
774 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif,
775 &mvif->sta.wcid, false);
776 }
777
778 spin_lock_bh(&dev->sta_poll_lock);
779 if (!list_empty(&msta->poll_list))
780 list_del_init(&msta->poll_list);
781 spin_unlock_bh(&dev->sta_poll_lock);
782
783 mt76_connac_power_save_sched(&dev->mphy, &dev->pm);
784}
785EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove);
786
787void mt7921_tx_worker(struct mt76_worker *w)
788{
789 struct mt7921_dev *dev = container_of(w, struct mt7921_dev,
790 mt76.tx_worker);
791
792 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) {
793 queue_work(dev->mt76.wq, &dev->pm.wake_work);
794 return;
795 }
796
797 mt76_txq_schedule_all(&dev->mphy);
798 mt76_connac_pm_unref(&dev->mphy, &dev->pm);
799}
800
801static void mt7921_tx(struct ieee80211_hw *hw,
802 struct ieee80211_tx_control *control,
803 struct sk_buff *skb)
804{
805 struct mt7921_dev *dev = mt7921_hw_dev(hw);
806 struct mt76_phy *mphy = hw->priv;
807 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
808 struct ieee80211_vif *vif = info->control.vif;
809 struct mt76_wcid *wcid = &dev->mt76.global_wcid;
810 int qid;
811
812 if (control->sta) {
813 struct mt7921_sta *sta;
814
815 sta = (struct mt7921_sta *)control->sta->drv_priv;
816 wcid = &sta->wcid;
817 }
818
819 if (vif && !control->sta) {
820 struct mt7921_vif *mvif;
821
822 mvif = (struct mt7921_vif *)vif->drv_priv;
823 wcid = &mvif->sta.wcid;
824 }
825
826 if (mt76_connac_pm_ref(mphy, &dev->pm)) {
827 mt76_tx(mphy, control->sta, wcid, skb);
828 mt76_connac_pm_unref(mphy, &dev->pm);
829 return;
830 }
831
832 qid = skb_get_queue_mapping(skb);
833 if (qid >= MT_TXQ_PSD) {
834 qid = IEEE80211_AC_BE;
835 skb_set_queue_mapping(skb, qid);
836 }
837
838 mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb);
839}
840
841static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
842{
843 struct mt7921_dev *dev = mt7921_hw_dev(hw);
844
845 mt7921_mutex_acquire(dev);
846 mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0);
847 mt7921_mutex_release(dev);
848
849 return 0;
850}
851
852static int
853mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
854 struct ieee80211_ampdu_params *params)
855{
856 enum ieee80211_ampdu_mlme_action action = params->action;
857 struct mt7921_dev *dev = mt7921_hw_dev(hw);
858 struct ieee80211_sta *sta = params->sta;
859 struct ieee80211_txq *txq = sta->txq[params->tid];
860 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
861 u16 tid = params->tid;
862 u16 ssn = params->ssn;
863 struct mt76_txq *mtxq;
864 int ret = 0;
865
866 if (!txq)
867 return -EINVAL;
868
869 mtxq = (struct mt76_txq *)txq->drv_priv;
870
871 mt7921_mutex_acquire(dev);
872 switch (action) {
873 case IEEE80211_AMPDU_RX_START:
874 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
875 params->buf_size);
876 mt7921_mcu_uni_rx_ba(dev, params, true);
877 break;
878 case IEEE80211_AMPDU_RX_STOP:
879 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
880 mt7921_mcu_uni_rx_ba(dev, params, false);
881 break;
882 case IEEE80211_AMPDU_TX_OPERATIONAL:
883 mtxq->aggr = true;
884 mtxq->send_bar = false;
885 mt7921_mcu_uni_tx_ba(dev, params, true);
886 break;
887 case IEEE80211_AMPDU_TX_STOP_FLUSH:
888 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
889 mtxq->aggr = false;
890 clear_bit(tid, &msta->ampdu_state);
891 mt7921_mcu_uni_tx_ba(dev, params, false);
892 break;
893 case IEEE80211_AMPDU_TX_START:
894 set_bit(tid, &msta->ampdu_state);
895 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
896 break;
897 case IEEE80211_AMPDU_TX_STOP_CONT:
898 mtxq->aggr = false;
899 clear_bit(tid, &msta->ampdu_state);
900 mt7921_mcu_uni_tx_ba(dev, params, false);
901 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
902 break;
903 }
904 mt7921_mutex_release(dev);
905
906 return ret;
907}
908
909static int mt7921_sta_state(struct ieee80211_hw *hw,
910 struct ieee80211_vif *vif,
911 struct ieee80211_sta *sta,
912 enum ieee80211_sta_state old_state,
913 enum ieee80211_sta_state new_state)
914{
915 struct mt7921_dev *dev = mt7921_hw_dev(hw);
916
917 if (dev->pm.ds_enable) {
918 mt7921_mutex_acquire(dev);
919 mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state);
920 mt7921_mutex_release(dev);
921 }
922
923 return mt76_sta_state(hw, vif, sta, old_state, new_state);
924}
925
926static int
927mt7921_get_stats(struct ieee80211_hw *hw,
928 struct ieee80211_low_level_stats *stats)
929{
930 struct mt7921_phy *phy = mt7921_hw_phy(hw);
931 struct mib_stats *mib = &phy->mib;
932
933 mt7921_mutex_acquire(phy->dev);
934
935 stats->dot11RTSSuccessCount = mib->rts_cnt;
936 stats->dot11RTSFailureCount = mib->rts_retries_cnt;
937 stats->dot11FCSErrorCount = mib->fcs_err_cnt;
938 stats->dot11ACKFailureCount = mib->ack_fail_cnt;
939
940 mt7921_mutex_release(phy->dev);
941
942 return 0;
943}
944
945static const char mt7921_gstrings_stats[][ETH_GSTRING_LEN] = {
946 /* tx counters */
947 "tx_ampdu_cnt",
948 "tx_mpdu_attempts",
949 "tx_mpdu_success",
950 "tx_pkt_ebf_cnt",
951 "tx_pkt_ibf_cnt",
952 "tx_ampdu_len:0-1",
953 "tx_ampdu_len:2-10",
954 "tx_ampdu_len:11-19",
955 "tx_ampdu_len:20-28",
956 "tx_ampdu_len:29-37",
957 "tx_ampdu_len:38-46",
958 "tx_ampdu_len:47-55",
959 "tx_ampdu_len:56-79",
960 "tx_ampdu_len:80-103",
961 "tx_ampdu_len:104-127",
962 "tx_ampdu_len:128-151",
963 "tx_ampdu_len:152-175",
964 "tx_ampdu_len:176-199",
965 "tx_ampdu_len:200-223",
966 "tx_ampdu_len:224-247",
967 "ba_miss_count",
968 "tx_beamformer_ppdu_iBF",
969 "tx_beamformer_ppdu_eBF",
970 "tx_beamformer_rx_feedback_all",
971 "tx_beamformer_rx_feedback_he",
972 "tx_beamformer_rx_feedback_vht",
973 "tx_beamformer_rx_feedback_ht",
974 "tx_msdu_pack_1",
975 "tx_msdu_pack_2",
976 "tx_msdu_pack_3",
977 "tx_msdu_pack_4",
978 "tx_msdu_pack_5",
979 "tx_msdu_pack_6",
980 "tx_msdu_pack_7",
981 "tx_msdu_pack_8",
982 /* rx counters */
983 "rx_mpdu_cnt",
984 "rx_ampdu_cnt",
985 "rx_ampdu_bytes_cnt",
986 "rx_ba_cnt",
987 /* per vif counters */
988 "v_tx_mode_cck",
989 "v_tx_mode_ofdm",
990 "v_tx_mode_ht",
991 "v_tx_mode_ht_gf",
992 "v_tx_mode_vht",
993 "v_tx_mode_he_su",
994 "v_tx_mode_he_ext_su",
995 "v_tx_mode_he_tb",
996 "v_tx_mode_he_mu",
997 "v_tx_bw_20",
998 "v_tx_bw_40",
999 "v_tx_bw_80",
1000 "v_tx_bw_160",
1001 "v_tx_mcs_0",
1002 "v_tx_mcs_1",
1003 "v_tx_mcs_2",
1004 "v_tx_mcs_3",
1005 "v_tx_mcs_4",
1006 "v_tx_mcs_5",
1007 "v_tx_mcs_6",
1008 "v_tx_mcs_7",
1009 "v_tx_mcs_8",
1010 "v_tx_mcs_9",
1011 "v_tx_mcs_10",
1012 "v_tx_mcs_11",
1013};
1014
1015static void
1016mt7921_get_et_strings(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1017 u32 sset, u8 *data)
1018{
1019 if (sset != ETH_SS_STATS)
1020 return;
1021
1022 memcpy(data, *mt7921_gstrings_stats, sizeof(mt7921_gstrings_stats));
1023}
1024
1025static int
1026mt7921_get_et_sset_count(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1027 int sset)
1028{
1029 return sset == ETH_SS_STATS ? ARRAY_SIZE(mt7921_gstrings_stats) : 0;
1030}
1031
1032static void
1033mt7921_ethtool_worker(void *wi_data, struct ieee80211_sta *sta)
1034{
1035 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
1036 struct mt76_ethtool_worker_info *wi = wi_data;
1037
1038 if (msta->vif->mt76.idx != wi->idx)
1039 return;
1040
1041 mt76_ethtool_worker(wi, &msta->stats);
1042}
1043
1044static
1045void mt7921_get_et_stats(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1046 struct ethtool_stats *stats, u64 *data)
1047{
1048 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
1049 struct mt7921_phy *phy = mt7921_hw_phy(hw);
1050 struct mt7921_dev *dev = phy->dev;
1051 struct mib_stats *mib = &phy->mib;
1052 struct mt76_ethtool_worker_info wi = {
1053 .data = data,
1054 .idx = mvif->mt76.idx,
1055 };
1056 int i, ei = 0;
1057
1058 mt7921_mutex_acquire(dev);
1059
1060 mt7921_mac_update_mib_stats(phy);
1061
1062 data[ei++] = mib->tx_ampdu_cnt;
1063 data[ei++] = mib->tx_mpdu_attempts_cnt;
1064 data[ei++] = mib->tx_mpdu_success_cnt;
1065 data[ei++] = mib->tx_pkt_ebf_cnt;
1066 data[ei++] = mib->tx_pkt_ibf_cnt;
1067
1068 /* Tx ampdu stat */
1069 for (i = 0; i < 15; i++)
1070 data[ei++] = dev->mt76.aggr_stats[i];
1071
1072 data[ei++] = phy->mib.ba_miss_cnt;
1073
1074 /* Tx Beamformer monitor */
1075 data[ei++] = mib->tx_bf_ibf_ppdu_cnt;
1076 data[ei++] = mib->tx_bf_ebf_ppdu_cnt;
1077
1078 /* Tx Beamformer Rx feedback monitor */
1079 data[ei++] = mib->tx_bf_rx_fb_all_cnt;
1080 data[ei++] = mib->tx_bf_rx_fb_he_cnt;
1081 data[ei++] = mib->tx_bf_rx_fb_vht_cnt;
1082 data[ei++] = mib->tx_bf_rx_fb_ht_cnt;
1083
1084 /* Tx amsdu info (pack-count histogram) */
1085 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++)
1086 data[ei++] = mib->tx_amsdu[i];
1087
1088 /* rx counters */
1089 data[ei++] = mib->rx_mpdu_cnt;
1090 data[ei++] = mib->rx_ampdu_cnt;
1091 data[ei++] = mib->rx_ampdu_bytes_cnt;
1092 data[ei++] = mib->rx_ba_cnt;
1093
1094 /* Add values for all stations owned by this vif */
1095 wi.initial_stat_idx = ei;
1096 ieee80211_iterate_stations_atomic(hw, mt7921_ethtool_worker, &wi);
1097
1098 mt7921_mutex_release(dev);
1099
1100 if (!wi.sta_count)
1101 return;
1102
1103 ei += wi.worker_stat_count;
1104 if (ei != ARRAY_SIZE(mt7921_gstrings_stats))
1105 dev_err(dev->mt76.dev, "ei: %d SSTATS_LEN: %zu",
1106 ei, ARRAY_SIZE(mt7921_gstrings_stats));
1107}
1108
1109static u64
1110mt7921_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1111{
1112 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
1113 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1114 u8 omac_idx = mvif->mt76.omac_idx;
1115 union {
1116 u64 t64;
1117 u32 t32[2];
1118 } tsf;
1119 u16 n;
1120
1121 mt7921_mutex_acquire(dev);
1122
1123 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx;
1124 /* TSF software read */
1125 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_MODE);
1126 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(0));
1127 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(0));
1128
1129 mt7921_mutex_release(dev);
1130
1131 return tsf.t64;
1132}
1133
1134static void
1135mt7921_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1136 u64 timestamp)
1137{
1138 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
1139 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1140 u8 omac_idx = mvif->mt76.omac_idx;
1141 union {
1142 u64 t64;
1143 u32 t32[2];
1144 } tsf = { .t64 = timestamp, };
1145 u16 n;
1146
1147 mt7921_mutex_acquire(dev);
1148
1149 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx;
1150 mt76_wr(dev, MT_LPON_UTTR0(0), tsf.t32[0]);
1151 mt76_wr(dev, MT_LPON_UTTR1(0), tsf.t32[1]);
1152 /* TSF software overwrite */
1153 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_WRITE);
1154
1155 mt7921_mutex_release(dev);
1156}
1157
1158static void
1159mt7921_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
1160{
1161 struct mt7921_phy *phy = mt7921_hw_phy(hw);
1162 struct mt7921_dev *dev = phy->dev;
1163
1164 mt7921_mutex_acquire(dev);
1165 phy->coverage_class = max_t(s16, coverage_class, 0);
1166 mt7921_mac_set_timing(phy);
1167 mt7921_mutex_release(dev);
1168}
1169
1170void mt7921_scan_work(struct work_struct *work)
1171{
1172 struct mt7921_phy *phy;
1173
1174 phy = (struct mt7921_phy *)container_of(work, struct mt7921_phy,
1175 scan_work.work);
1176
1177 while (true) {
1178 struct mt7921_mcu_rxd *rxd;
1179 struct sk_buff *skb;
1180
1181 spin_lock_bh(&phy->dev->mt76.lock);
1182 skb = __skb_dequeue(&phy->scan_event_list);
1183 spin_unlock_bh(&phy->dev->mt76.lock);
1184
1185 if (!skb)
1186 break;
1187
1188 rxd = (struct mt7921_mcu_rxd *)skb->data;
1189 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) {
1190 ieee80211_sched_scan_results(phy->mt76->hw);
1191 } else if (test_and_clear_bit(MT76_HW_SCANNING,
1192 &phy->mt76->state)) {
1193 struct cfg80211_scan_info info = {
1194 .aborted = false,
1195 };
1196
1197 ieee80211_scan_completed(phy->mt76->hw, &info);
1198 }
1199 dev_kfree_skb(skb);
1200 }
1201}
1202
1203static int
1204mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1205 struct ieee80211_scan_request *req)
1206{
1207 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1208 struct mt76_phy *mphy = hw->priv;
1209 int err;
1210
1211 mt7921_mutex_acquire(dev);
1212 err = mt76_connac_mcu_hw_scan(mphy, vif, req);
1213 mt7921_mutex_release(dev);
1214
1215 return err;
1216}
1217
1218static void
1219mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1220{
1221 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1222 struct mt76_phy *mphy = hw->priv;
1223
1224 mt7921_mutex_acquire(dev);
1225 mt76_connac_mcu_cancel_hw_scan(mphy, vif);
1226 mt7921_mutex_release(dev);
1227}
1228
1229static int
1230mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1231 struct cfg80211_sched_scan_request *req,
1232 struct ieee80211_scan_ies *ies)
1233{
1234 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1235 struct mt76_phy *mphy = hw->priv;
1236 int err;
1237
1238 mt7921_mutex_acquire(dev);
1239
1240 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req);
1241 if (err < 0)
1242 goto out;
1243
1244 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true);
1245out:
1246 mt7921_mutex_release(dev);
1247
1248 return err;
1249}
1250
1251static int
1252mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1253{
1254 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1255 struct mt76_phy *mphy = hw->priv;
1256 int err;
1257
1258 mt7921_mutex_acquire(dev);
1259 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false);
1260 mt7921_mutex_release(dev);
1261
1262 return err;
1263}
1264
1265static int
1266mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
1267{
1268 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1269 struct mt7921_phy *phy = mt7921_hw_phy(hw);
1270 int max_nss = hweight8(hw->wiphy->available_antennas_tx);
1271
1272 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
1273 return -EINVAL;
1274
1275 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
1276 tx_ant = BIT(ffs(tx_ant) - 1) - 1;
1277
1278 mt7921_mutex_acquire(dev);
1279
1280 phy->mt76->antenna_mask = tx_ant;
1281 phy->mt76->chainmask = tx_ant;
1282
1283 mt76_set_stream_caps(phy->mt76, true);
1284 mt7921_set_stream_he_caps(phy);
1285
1286 mt7921_mutex_release(dev);
1287
1288 return 0;
1289}
1290
1291static void mt7921_sta_statistics(struct ieee80211_hw *hw,
1292 struct ieee80211_vif *vif,
1293 struct ieee80211_sta *sta,
1294 struct station_info *sinfo)
1295{
1296 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
1297 struct rate_info *txrate = &msta->wcid.rate;
1298
1299 if (!txrate->legacy && !txrate->flags)
1300 return;
1301
1302 if (txrate->legacy) {
1303 sinfo->txrate.legacy = txrate->legacy;
1304 } else {
1305 sinfo->txrate.mcs = txrate->mcs;
1306 sinfo->txrate.nss = txrate->nss;
1307 sinfo->txrate.bw = txrate->bw;
1308 sinfo->txrate.he_gi = txrate->he_gi;
1309 sinfo->txrate.he_dcm = txrate->he_dcm;
1310 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc;
1311 }
1312 sinfo->txrate.flags = txrate->flags;
1313 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
1314}
1315
1316#ifdef CONFIG_PM
1317static int mt7921_suspend(struct ieee80211_hw *hw,
1318 struct cfg80211_wowlan *wowlan)
1319{
1320 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1321 struct mt7921_phy *phy = mt7921_hw_phy(hw);
1322
1323 cancel_delayed_work_sync(&phy->scan_work);
1324 cancel_delayed_work_sync(&phy->mt76->mac_work);
1325
1326 cancel_delayed_work_sync(&dev->pm.ps_work);
1327 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
1328
1329 mt7921_mutex_acquire(dev);
1330
1331 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1332 ieee80211_iterate_active_interfaces(hw,
1333 IEEE80211_IFACE_ITER_RESUME_ALL,
1334 mt76_connac_mcu_set_suspend_iter,
1335 &dev->mphy);
1336
1337 mt7921_mutex_release(dev);
1338
1339 return 0;
1340}
1341
1342static int mt7921_resume(struct ieee80211_hw *hw)
1343{
1344 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1345 struct mt7921_phy *phy = mt7921_hw_phy(hw);
1346
1347 mt7921_mutex_acquire(dev);
1348
1349 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1350 ieee80211_iterate_active_interfaces(hw,
1351 IEEE80211_IFACE_ITER_RESUME_ALL,
1352 mt76_connac_mcu_set_suspend_iter,
1353 &dev->mphy);
1354
1355 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
1356 MT7921_WATCHDOG_TIME);
1357
1358 mt7921_mutex_release(dev);
1359
1360 return 0;
1361}
1362
1363static void mt7921_set_wakeup(struct ieee80211_hw *hw, bool enabled)
1364{
1365 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1366 struct mt76_dev *mdev = &dev->mt76;
1367
1368 device_set_wakeup_enable(mdev->dev, enabled);
1369}
1370
1371static void mt7921_set_rekey_data(struct ieee80211_hw *hw,
1372 struct ieee80211_vif *vif,
1373 struct cfg80211_gtk_rekey_data *data)
1374{
1375 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1376
1377 mt7921_mutex_acquire(dev);
1378 mt76_connac_mcu_update_gtk_rekey(hw, vif, data);
1379 mt7921_mutex_release(dev);
1380}
1381#endif /* CONFIG_PM */
1382
1383static void mt7921_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1384 u32 queues, bool drop)
1385{
1386 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1387
1388 wait_event_timeout(dev->mt76.tx_wait, !mt76_has_tx_pending(&dev->mphy),
1389 HZ / 2);
1390}
1391
1392static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw,
1393 struct ieee80211_vif *vif,
1394 struct ieee80211_sta *sta,
1395 bool enabled)
1396{
1397 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
1398 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1399
1400 if (enabled)
1401 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1402 else
1403 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1404
1405 mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->wcid,
1406 MCU_UNI_CMD(STA_REC_UPDATE));
1407}
1408
1409static int mt7921_set_sar_specs(struct ieee80211_hw *hw,
1410 const struct cfg80211_sar_specs *sar)
1411{
1412 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1413 struct mt76_phy *mphy = hw->priv;
1414 int err;
1415
1416 mt7921_mutex_acquire(dev);
1417 err = mt76_init_sar_power(hw, sar);
1418 if (err)
1419 goto out;
1420
1421 err = mt76_connac_mcu_set_rate_txpower(mphy);
1422out:
1423 mt7921_mutex_release(dev);
1424
1425 return err;
1426}
1427
developer66cd2092022-05-10 15:43:01 +08001428static void
1429mt7921_channel_switch_beacon(struct ieee80211_hw *hw,
1430 struct ieee80211_vif *vif,
1431 struct cfg80211_chan_def *chandef)
1432{
1433 struct mt7921_dev *dev = mt7921_hw_dev(hw);
1434
1435 mt7921_mutex_acquire(dev);
1436 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true);
1437 mt7921_mutex_release(dev);
1438}
1439
developerb11a5392022-03-31 00:34:47 +08001440const struct ieee80211_ops mt7921_ops = {
1441 .tx = mt7921_tx,
1442 .start = mt7921_start,
1443 .stop = mt7921_stop,
1444 .add_interface = mt7921_add_interface,
1445 .remove_interface = mt7921_remove_interface,
1446 .config = mt7921_config,
1447 .conf_tx = mt7921_conf_tx,
1448 .configure_filter = mt7921_configure_filter,
1449 .bss_info_changed = mt7921_bss_info_changed,
1450 .sta_state = mt7921_sta_state,
1451 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
1452 .set_key = mt7921_set_key,
1453 .sta_set_decap_offload = mt7921_sta_set_decap_offload,
1454 .ampdu_action = mt7921_ampdu_action,
1455 .set_rts_threshold = mt7921_set_rts_threshold,
1456 .wake_tx_queue = mt76_wake_tx_queue,
1457 .release_buffered_frames = mt76_release_buffered_frames,
developer66cd2092022-05-10 15:43:01 +08001458 .channel_switch_beacon = mt7921_channel_switch_beacon,
developerb11a5392022-03-31 00:34:47 +08001459 .get_txpower = mt76_get_txpower,
1460 .get_stats = mt7921_get_stats,
1461 .get_et_sset_count = mt7921_get_et_sset_count,
1462 .get_et_strings = mt7921_get_et_strings,
1463 .get_et_stats = mt7921_get_et_stats,
1464 .get_tsf = mt7921_get_tsf,
1465 .set_tsf = mt7921_set_tsf,
1466 .get_survey = mt76_get_survey,
1467 .get_antenna = mt76_get_antenna,
1468 .set_antenna = mt7921_set_antenna,
1469 .set_coverage_class = mt7921_set_coverage_class,
1470 .hw_scan = mt7921_hw_scan,
1471 .cancel_hw_scan = mt7921_cancel_hw_scan,
1472 .sta_statistics = mt7921_sta_statistics,
1473 .sched_scan_start = mt7921_start_sched_scan,
1474 .sched_scan_stop = mt7921_stop_sched_scan,
1475 CFG80211_TESTMODE_CMD(mt7921_testmode_cmd)
1476 CFG80211_TESTMODE_DUMP(mt7921_testmode_dump)
1477#ifdef CONFIG_PM
1478 .suspend = mt7921_suspend,
1479 .resume = mt7921_resume,
1480 .set_wakeup = mt7921_set_wakeup,
1481 .set_rekey_data = mt7921_set_rekey_data,
1482#endif /* CONFIG_PM */
1483 .flush = mt7921_flush,
1484 .set_sar_specs = mt7921_set_sar_specs,
1485};
1486EXPORT_SYMBOL_GPL(mt7921_ops);
1487
1488MODULE_LICENSE("Dual BSD/GPL");
1489MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>");