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MAINTAINERS: Remove Noralf Trønnes as driver maintainer
[drm/drm-misc.git] / drivers / net / wireless / mediatek / mt76 / mt7925 / main.c
blob791c8b00e11264667cf19f47586c9ed49d349a50
1 // SPDX-License-Identifier: ISC
2 /* Copyright (C) 2023 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 <linux/ctype.h>
9 #include <net/ipv6.h>
10 #include "mt7925.h"
11 #include "mcu.h"
12 #include "mac.h"
13
14 static void
15 mt7925_init_he_caps(struct mt792x_phy *phy, enum nl80211_band band,
16 struct ieee80211_sband_iftype_data *data,
17 enum nl80211_iftype iftype)
18 {
19 struct ieee80211_sta_he_cap *he_cap = &data->he_cap;
20 struct ieee80211_he_cap_elem *he_cap_elem = &he_cap->he_cap_elem;
21 struct ieee80211_he_mcs_nss_supp *he_mcs = &he_cap->he_mcs_nss_supp;
22 int i, nss = hweight8(phy->mt76->antenna_mask);
23 u16 mcs_map = 0;
24
25 for (i = 0; i < 8; i++) {
26 if (i < nss)
27 mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2));
28 else
29 mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2));
30 }
31
32 he_cap->has_he = true;
33
34 he_cap_elem->mac_cap_info[0] = IEEE80211_HE_MAC_CAP0_HTC_HE;
35 he_cap_elem->mac_cap_info[3] = IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
36 IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3;
37 he_cap_elem->mac_cap_info[4] = IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU;
38
39 if (band == NL80211_BAND_2GHZ)
40 he_cap_elem->phy_cap_info[0] =
41 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
42 else
43 he_cap_elem->phy_cap_info[0] =
44 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G |
45 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
46
47 he_cap_elem->phy_cap_info[1] =
48 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;
49 he_cap_elem->phy_cap_info[2] =
50 IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US |
51 IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ |
52 IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ |
53 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |
54 IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO;
55
56 switch (iftype) {
57 case NL80211_IFTYPE_AP:
58 he_cap_elem->mac_cap_info[2] |=
59 IEEE80211_HE_MAC_CAP2_BSR;
60 he_cap_elem->mac_cap_info[4] |=
61 IEEE80211_HE_MAC_CAP4_BQR;
62 he_cap_elem->mac_cap_info[5] |=
63 IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX;
64 he_cap_elem->phy_cap_info[3] |=
65 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
66 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
67 he_cap_elem->phy_cap_info[6] |=
68 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE |
69 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
70 he_cap_elem->phy_cap_info[9] |=
71 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
72 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU;
73 break;
74 case NL80211_IFTYPE_STATION:
75 he_cap_elem->mac_cap_info[1] |=
76 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US;
77
78 if (band == NL80211_BAND_2GHZ)
79 he_cap_elem->phy_cap_info[0] |=
80 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G;
81 else
82 he_cap_elem->phy_cap_info[0] |=
83 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G;
84
85 he_cap_elem->phy_cap_info[1] |=
86 IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A |
87 IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US;
88 he_cap_elem->phy_cap_info[3] |=
89 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
90 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
91 he_cap_elem->phy_cap_info[4] |=
92 IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE |
93 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 |
94 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4;
95 he_cap_elem->phy_cap_info[5] |=
96 IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK |
97 IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK;
98 he_cap_elem->phy_cap_info[6] |=
99 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU |
100 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU |
101 IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB |
102 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE |
103 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
104 he_cap_elem->phy_cap_info[7] |=
105 IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP |
106 IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI;
107 he_cap_elem->phy_cap_info[8] |=
108 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G |
109 IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU |
110 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU |
111 IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484;
112 he_cap_elem->phy_cap_info[9] |=
113 IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM |
114 IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK |
115 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
116 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU |
117 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB |
118 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB;
119 break;
120 default:
121 break;
122 }
123
124 he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map);
125 he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map);
126 he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map);
127 he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map);
128
129 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));
130
131 if (he_cap_elem->phy_cap_info[6] &
132 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
133 mt76_connac_gen_ppe_thresh(he_cap->ppe_thres, nss);
134 } else {
135 he_cap_elem->phy_cap_info[9] |=
136 u8_encode_bits(IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US,
137 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK);
138 }
139
140 if (band == NL80211_BAND_6GHZ) {
141 u16 cap = IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS |
142 IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS;
143
144 cap |= u16_encode_bits(IEEE80211_HT_MPDU_DENSITY_0_5,
145 IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START) |
146 u16_encode_bits(IEEE80211_VHT_MAX_AMPDU_1024K,
147 IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP) |
148 u16_encode_bits(IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454,
149 IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN);
150
151 data->he_6ghz_capa.capa = cpu_to_le16(cap);
152 }
153 }
154
155 static void
156 mt7925_init_eht_caps(struct mt792x_phy *phy, enum nl80211_band band,
157 struct ieee80211_sband_iftype_data *data)
158 {
159 struct ieee80211_sta_eht_cap *eht_cap = &data->eht_cap;
160 struct ieee80211_eht_cap_elem_fixed *eht_cap_elem = &eht_cap->eht_cap_elem;
161 struct ieee80211_eht_mcs_nss_supp *eht_nss = &eht_cap->eht_mcs_nss_supp;
162 enum nl80211_chan_width width = phy->mt76->chandef.width;
163 int nss = hweight8(phy->mt76->antenna_mask);
164 int sts = hweight16(phy->mt76->chainmask);
165 u8 val;
166
167 if (!phy->dev->has_eht)
168 return;
169
170 eht_cap->has_eht = true;
171
172 eht_cap_elem->mac_cap_info[0] =
173 IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS |
174 IEEE80211_EHT_MAC_CAP0_OM_CONTROL;
175
176 eht_cap_elem->phy_cap_info[0] =
177 IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI |
178 IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER |
179 IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE;
180
181 eht_cap_elem->phy_cap_info[0] |=
182 u8_encode_bits(u8_get_bits(sts - 1, BIT(0)),
183 IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK);
184
185 eht_cap_elem->phy_cap_info[1] =
186 u8_encode_bits(u8_get_bits(sts - 1, GENMASK(2, 1)),
187 IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK) |
188 u8_encode_bits(sts - 1,
189 IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK);
190
191 eht_cap_elem->phy_cap_info[2] =
192 u8_encode_bits(sts - 1, IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK) |
193 u8_encode_bits(sts - 1, IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK);
194
195 eht_cap_elem->phy_cap_info[3] =
196 IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK |
197 IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK |
198 IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK |
199 IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK |
200 IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK |
201 IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK |
202 IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK;
203
204 eht_cap_elem->phy_cap_info[4] =
205 u8_encode_bits(min_t(int, sts - 1, 2),
206 IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK);
207
208 eht_cap_elem->phy_cap_info[5] =
209 IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK |
210 u8_encode_bits(IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US,
211 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK) |
212 u8_encode_bits(u8_get_bits(0x11, GENMASK(1, 0)),
213 IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK);
214
215 val = width == NL80211_CHAN_WIDTH_160 ? 0x7 :
216 width == NL80211_CHAN_WIDTH_80 ? 0x3 : 0x1;
217 eht_cap_elem->phy_cap_info[6] =
218 u8_encode_bits(u8_get_bits(0x11, GENMASK(4, 2)),
219 IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK) |
220 u8_encode_bits(val, IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK);
221
222 eht_cap_elem->phy_cap_info[7] =
223 IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ |
224 IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ |
225 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ |
226 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ;
227
228 val = u8_encode_bits(nss, IEEE80211_EHT_MCS_NSS_RX) |
229 u8_encode_bits(nss, IEEE80211_EHT_MCS_NSS_TX);
230
231 eht_nss->bw._80.rx_tx_mcs9_max_nss = val;
232 eht_nss->bw._80.rx_tx_mcs11_max_nss = val;
233 eht_nss->bw._80.rx_tx_mcs13_max_nss = val;
234 eht_nss->bw._160.rx_tx_mcs9_max_nss = val;
235 eht_nss->bw._160.rx_tx_mcs11_max_nss = val;
236 eht_nss->bw._160.rx_tx_mcs13_max_nss = val;
237 }
238
239 int mt7925_init_mlo_caps(struct mt792x_phy *phy)
240 {
241 struct wiphy *wiphy = phy->mt76->hw->wiphy;
242 static const u8 ext_capa_sta[] = {
243 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF,
244 };
245 static struct wiphy_iftype_ext_capab ext_capab[] = {
246 {
247 .iftype = NL80211_IFTYPE_STATION,
248 .extended_capabilities = ext_capa_sta,
249 .extended_capabilities_mask = ext_capa_sta,
250 .extended_capabilities_len = sizeof(ext_capa_sta),
251 },
252 };
253
254 if (!(phy->chip_cap & MT792x_CHIP_CAP_MLO_EVT_EN))
255 return 0;
256
257 ext_capab[0].eml_capabilities = phy->eml_cap;
258 ext_capab[0].mld_capa_and_ops =
259 u16_encode_bits(1, IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS);
260
261 wiphy->flags |= WIPHY_FLAG_SUPPORTS_MLO;
262 wiphy->iftype_ext_capab = ext_capab;
263 wiphy->num_iftype_ext_capab = ARRAY_SIZE(ext_capab);
264
265 return 0;
266 }
267
268 static void
269 __mt7925_set_stream_he_eht_caps(struct mt792x_phy *phy,
270 struct ieee80211_supported_band *sband,
271 enum nl80211_band band)
272 {
273 struct ieee80211_sband_iftype_data *data = phy->iftype[band];
274 int i, n = 0;
275
276 for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
277 switch (i) {
278 case NL80211_IFTYPE_STATION:
279 case NL80211_IFTYPE_AP:
280 break;
281 default:
282 continue;
283 }
284
285 data[n].types_mask = BIT(i);
286 mt7925_init_he_caps(phy, band, &data[n], i);
287 mt7925_init_eht_caps(phy, band, &data[n]);
288
289 n++;
290 }
291
292 _ieee80211_set_sband_iftype_data(sband, data, n);
293 }
294
295 void mt7925_set_stream_he_eht_caps(struct mt792x_phy *phy)
296 {
297 if (phy->mt76->cap.has_2ghz)
298 __mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_2g.sband,
299 NL80211_BAND_2GHZ);
300
301 if (phy->mt76->cap.has_5ghz)
302 __mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_5g.sband,
303 NL80211_BAND_5GHZ);
304
305 if (phy->mt76->cap.has_6ghz)
306 __mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_6g.sband,
307 NL80211_BAND_6GHZ);
308 }
309
310 int __mt7925_start(struct mt792x_phy *phy)
311 {
312 struct mt76_phy *mphy = phy->mt76;
313 int err;
314
315 err = mt7925_mcu_set_channel_domain(mphy);
316 if (err)
317 return err;
318
319 err = mt7925_mcu_set_rts_thresh(phy, 0x92b);
320 if (err)
321 return err;
322
323 err = mt7925_set_tx_sar_pwr(mphy->hw, NULL);
324 if (err)
325 return err;
326
327 mt792x_mac_reset_counters(phy);
328 set_bit(MT76_STATE_RUNNING, &mphy->state);
329
330 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work,
331 MT792x_WATCHDOG_TIME);
332
333 return 0;
334 }
335 EXPORT_SYMBOL_GPL(__mt7925_start);
336
337 static int mt7925_start(struct ieee80211_hw *hw)
338 {
339 struct mt792x_phy *phy = mt792x_hw_phy(hw);
340 int err;
341
342 mt792x_mutex_acquire(phy->dev);
343 err = __mt7925_start(phy);
344 mt792x_mutex_release(phy->dev);
345
346 return err;
347 }
348
349 static int mt7925_mac_link_bss_add(struct mt792x_dev *dev,
350 struct ieee80211_bss_conf *link_conf,
351 struct mt792x_link_sta *mlink)
352 {
353 struct mt792x_bss_conf *mconf = mt792x_link_conf_to_mconf(link_conf);
354 struct ieee80211_vif *vif = link_conf->vif;
355 struct mt792x_vif *mvif = mconf->vif;
356 struct mt76_txq *mtxq;
357 int idx, ret = 0;
358
359 mconf->mt76.idx = __ffs64(~dev->mt76.vif_mask);
360 if (mconf->mt76.idx >= MT792x_MAX_INTERFACES) {
361 ret = -ENOSPC;
362 goto out;
363 }
364
365 mconf->mt76.omac_idx = ieee80211_vif_is_mld(vif) ?
366 0 : mconf->mt76.idx;
367 mconf->mt76.band_idx = 0xff;
368 mconf->mt76.wmm_idx = mconf->mt76.idx % MT76_CONNAC_MAX_WMM_SETS;
369
370 if (mvif->phy->mt76->chandef.chan->band != NL80211_BAND_2GHZ)
371 mconf->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL + 4;
372 else
373 mconf->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL;
374
375 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, link_conf,
376 &mlink->wcid, true);
377 if (ret)
378 goto out;
379
380 dev->mt76.vif_mask |= BIT_ULL(mconf->mt76.idx);
381 mvif->phy->omac_mask |= BIT_ULL(mconf->mt76.omac_idx);
382
383 idx = MT792x_WTBL_RESERVED - mconf->mt76.idx;
384
385 INIT_LIST_HEAD(&mlink->wcid.poll_list);
386 mlink->wcid.idx = idx;
387 mlink->wcid.phy_idx = mconf->mt76.band_idx;
388 mlink->wcid.hw_key_idx = -1;
389 mlink->wcid.tx_info |= MT_WCID_TX_INFO_SET;
390 mt76_wcid_init(&mlink->wcid);
391
392 mt7925_mac_wtbl_update(dev, idx,
393 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
394
395 ewma_rssi_init(&mconf->rssi);
396
397 rcu_assign_pointer(dev->mt76.wcid[idx], &mlink->wcid);
398 if (vif->txq) {
399 mtxq = (struct mt76_txq *)vif->txq->drv_priv;
400 mtxq->wcid = idx;
401 }
402
403 out:
404 return ret;
405 }
406
407 static int
408 mt7925_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
409 {
410 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
411 struct mt792x_dev *dev = mt792x_hw_dev(hw);
412 struct mt792x_phy *phy = mt792x_hw_phy(hw);
413 int ret = 0;
414
415 mt792x_mutex_acquire(dev);
416
417 mvif->phy = phy;
418 mvif->bss_conf.vif = mvif;
419 mvif->sta.vif = mvif;
420 mvif->deflink_id = IEEE80211_LINK_UNSPECIFIED;
421
422 ret = mt7925_mac_link_bss_add(dev, &vif->bss_conf, &mvif->sta.deflink);
423 if (ret < 0)
424 goto out;
425
426 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
427 out:
428 mt792x_mutex_release(dev);
429
430 return ret;
431 }
432
433 static void mt7925_roc_iter(void *priv, u8 *mac,
434 struct ieee80211_vif *vif)
435 {
436 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
437 struct mt792x_phy *phy = priv;
438
439 mt7925_mcu_abort_roc(phy, &mvif->bss_conf, phy->roc_token_id);
440 }
441
442 void mt7925_roc_abort_sync(struct mt792x_dev *dev)
443 {
444 struct mt792x_phy *phy = &dev->phy;
445
446 del_timer_sync(&phy->roc_timer);
447 cancel_work_sync(&phy->roc_work);
448 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
449 ieee80211_iterate_interfaces(mt76_hw(dev),
450 IEEE80211_IFACE_ITER_RESUME_ALL,
451 mt7925_roc_iter, (void *)phy);
452 }
453 EXPORT_SYMBOL_GPL(mt7925_roc_abort_sync);
454
455 void mt7925_roc_work(struct work_struct *work)
456 {
457 struct mt792x_phy *phy;
458
459 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy,
460 roc_work);
461
462 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
463 return;
464
465 mt792x_mutex_acquire(phy->dev);
466 ieee80211_iterate_active_interfaces(phy->mt76->hw,
467 IEEE80211_IFACE_ITER_RESUME_ALL,
468 mt7925_roc_iter, phy);
469 mt792x_mutex_release(phy->dev);
470 ieee80211_remain_on_channel_expired(phy->mt76->hw);
471 }
472
473 static int mt7925_abort_roc(struct mt792x_phy *phy,
474 struct mt792x_bss_conf *mconf)
475 {
476 int err = 0;
477
478 del_timer_sync(&phy->roc_timer);
479 cancel_work_sync(&phy->roc_work);
480
481 mt792x_mutex_acquire(phy->dev);
482 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
483 err = mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id);
484 mt792x_mutex_release(phy->dev);
485
486 return err;
487 }
488
489 static int mt7925_set_roc(struct mt792x_phy *phy,
490 struct mt792x_bss_conf *mconf,
491 struct ieee80211_channel *chan,
492 int duration,
493 enum mt7925_roc_req type)
494 {
495 int err;
496
497 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))
498 return -EBUSY;
499
500 phy->roc_grant = false;
501
502 err = mt7925_mcu_set_roc(phy, mconf, chan, duration, type,
503 ++phy->roc_token_id);
504 if (err < 0) {
505 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
506 goto out;
507 }
508
509 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, 4 * HZ)) {
510 mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id);
511 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
512 err = -ETIMEDOUT;
513 }
514
515 out:
516 return err;
517 }
518
519 static int mt7925_set_mlo_roc(struct mt792x_phy *phy,
520 struct mt792x_bss_conf *mconf,
521 u16 sel_links)
522 {
523 int err;
524
525 if (WARN_ON_ONCE(test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)))
526 return -EBUSY;
527
528 phy->roc_grant = false;
529
530 err = mt7925_mcu_set_mlo_roc(mconf, sel_links, 5, ++phy->roc_token_id);
531 if (err < 0) {
532 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
533 goto out;
534 }
535
536 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, 4 * HZ)) {
537 mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id);
538 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
539 err = -ETIMEDOUT;
540 }
541
542 out:
543 return err;
544 }
545
546 static int mt7925_remain_on_channel(struct ieee80211_hw *hw,
547 struct ieee80211_vif *vif,
548 struct ieee80211_channel *chan,
549 int duration,
550 enum ieee80211_roc_type type)
551 {
552 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
553 struct mt792x_phy *phy = mt792x_hw_phy(hw);
554 int err;
555
556 mt792x_mutex_acquire(phy->dev);
557 err = mt7925_set_roc(phy, &mvif->bss_conf,
558 chan, duration, MT7925_ROC_REQ_ROC);
559 mt792x_mutex_release(phy->dev);
560
561 return err;
562 }
563
564 static int mt7925_cancel_remain_on_channel(struct ieee80211_hw *hw,
565 struct ieee80211_vif *vif)
566 {
567 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
568 struct mt792x_phy *phy = mt792x_hw_phy(hw);
569
570 return mt7925_abort_roc(phy, &mvif->bss_conf);
571 }
572
573 static int mt7925_set_link_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
574 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
575 struct ieee80211_key_conf *key, int link_id)
576 {
577 struct mt792x_dev *dev = mt792x_hw_dev(hw);
578 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
579 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv :
580 &mvif->sta;
581 struct ieee80211_bss_conf *link_conf;
582 struct ieee80211_link_sta *link_sta;
583 int idx = key->keyidx, err = 0;
584 struct mt792x_link_sta *mlink;
585 struct mt792x_bss_conf *mconf;
586 struct mt76_wcid *wcid;
587 u8 *wcid_keyidx;
588
589 link_conf = mt792x_vif_to_bss_conf(vif, link_id);
590 link_sta = sta ? mt792x_sta_to_link_sta(vif, sta, link_id) : NULL;
591 mconf = mt792x_vif_to_link(mvif, link_id);
592 mlink = mt792x_sta_to_link(msta, link_id);
593 wcid = &mlink->wcid;
594 wcid_keyidx = &wcid->hw_key_idx;
595
596 /* fall back to sw encryption for unsupported ciphers */
597 switch (key->cipher) {
598 case WLAN_CIPHER_SUITE_AES_CMAC:
599 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
600 wcid_keyidx = &wcid->hw_key_idx2;
601 break;
602 case WLAN_CIPHER_SUITE_WEP40:
603 case WLAN_CIPHER_SUITE_WEP104:
604 if (!mvif->wep_sta)
605 return -EOPNOTSUPP;
606 break;
607 case WLAN_CIPHER_SUITE_TKIP:
608 case WLAN_CIPHER_SUITE_CCMP:
609 case WLAN_CIPHER_SUITE_CCMP_256:
610 case WLAN_CIPHER_SUITE_GCMP:
611 case WLAN_CIPHER_SUITE_GCMP_256:
612 case WLAN_CIPHER_SUITE_SMS4:
613 break;
614 default:
615 return -EOPNOTSUPP;
616 }
617
618 if (cmd == SET_KEY && !mconf->mt76.cipher) {
619 struct mt792x_phy *phy = mt792x_hw_phy(hw);
620
621 mconf->mt76.cipher = mt7925_mcu_get_cipher(key->cipher);
622 mt7925_mcu_add_bss_info(phy, mconf->mt76.ctx, link_conf,
623 link_sta, true);
624 }
625
626 if (cmd == SET_KEY)
627 *wcid_keyidx = idx;
628 else if (idx == *wcid_keyidx)
629 *wcid_keyidx = -1;
630 else
631 goto out;
632
633 mt76_wcid_key_setup(&dev->mt76, wcid,
634 cmd == SET_KEY ? key : NULL);
635
636 err = mt7925_mcu_add_key(&dev->mt76, vif, &mlink->bip,
637 key, MCU_UNI_CMD(STA_REC_UPDATE),
638 &mlink->wcid, cmd, msta);
639
640 if (err)
641 goto out;
642
643 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 ||
644 key->cipher == WLAN_CIPHER_SUITE_WEP40)
645 err = mt7925_mcu_add_key(&dev->mt76, vif, &mvif->wep_sta->deflink.bip,
646 key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE),
647 &mvif->wep_sta->deflink.wcid, cmd, msta);
648 out:
649 return err;
650 }
651
652 static int mt7925_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
653 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
654 struct ieee80211_key_conf *key)
655 {
656 struct mt792x_dev *dev = mt792x_hw_dev(hw);
657 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
658 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv :
659 &mvif->sta;
660 int err;
661
662 /* The hardware does not support per-STA RX GTK, fallback
663 * to software mode for these.
664 */
665 if ((vif->type == NL80211_IFTYPE_ADHOC ||
666 vif->type == NL80211_IFTYPE_MESH_POINT) &&
667 (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
668 key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
669 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
670 return -EOPNOTSUPP;
671
672 mt792x_mutex_acquire(dev);
673
674 if (ieee80211_vif_is_mld(vif)) {
675 unsigned int link_id;
676 unsigned long add;
677
678 add = key->link_id != -1 ? BIT(key->link_id) : msta->valid_links;
679
680 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {
681 err = mt7925_set_link_key(hw, cmd, vif, sta, key, link_id);
682 if (err < 0)
683 break;
684 }
685 } else {
686 err = mt7925_set_link_key(hw, cmd, vif, sta, key, vif->bss_conf.link_id);
687 }
688
689 mt792x_mutex_release(dev);
690
691 return err;
692 }
693
694 static void
695 mt7925_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
696 {
697 struct mt792x_dev *dev = priv;
698 struct ieee80211_hw *hw = mt76_hw(dev);
699 bool pm_enable = dev->pm.enable;
700 int err;
701
702 err = mt7925_mcu_set_beacon_filter(dev, vif, pm_enable);
703 if (err < 0)
704 return;
705
706 if (pm_enable) {
707 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
708 ieee80211_hw_set(hw, CONNECTION_MONITOR);
709 } else {
710 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER;
711 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags);
712 }
713 }
714
715 static void
716 mt7925_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
717 {
718 struct mt792x_dev *dev = priv;
719 struct ieee80211_hw *hw = mt76_hw(dev);
720 struct mt76_connac_pm *pm = &dev->pm;
721 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
722
723 mt7925_mcu_set_sniffer(dev, vif, monitor);
724 pm->enable = pm->enable_user && !monitor;
725 pm->ds_enable = pm->ds_enable_user && !monitor;
726
727 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable);
728
729 if (monitor)
730 mt7925_mcu_set_beacon_filter(dev, vif, false);
731 }
732
733 void mt7925_set_runtime_pm(struct mt792x_dev *dev)
734 {
735 struct ieee80211_hw *hw = mt76_hw(dev);
736 struct mt76_connac_pm *pm = &dev->pm;
737 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
738
739 pm->enable = pm->enable_user && !monitor;
740 ieee80211_iterate_active_interfaces(hw,
741 IEEE80211_IFACE_ITER_RESUME_ALL,
742 mt7925_pm_interface_iter, dev);
743 pm->ds_enable = pm->ds_enable_user && !monitor;
744 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable);
745 }
746
747 static int mt7925_config(struct ieee80211_hw *hw, u32 changed)
748 {
749 struct mt792x_dev *dev = mt792x_hw_dev(hw);
750 int ret = 0;
751
752 mt792x_mutex_acquire(dev);
753
754 if (changed & IEEE80211_CONF_CHANGE_POWER) {
755 ret = mt7925_set_tx_sar_pwr(hw, NULL);
756 if (ret)
757 goto out;
758 }
759
760 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
761 ieee80211_iterate_active_interfaces(hw,
762 IEEE80211_IFACE_ITER_RESUME_ALL,
763 mt7925_sniffer_interface_iter, dev);
764 }
765
766 out:
767 mt792x_mutex_release(dev);
768
769 return ret;
770 }
771
772 static void mt7925_configure_filter(struct ieee80211_hw *hw,
773 unsigned int changed_flags,
774 unsigned int *total_flags,
775 u64 multicast)
776 {
777 #define MT7925_FILTER_FCSFAIL BIT(2)
778 #define MT7925_FILTER_CONTROL BIT(5)
779 #define MT7925_FILTER_OTHER_BSS BIT(6)
780 #define MT7925_FILTER_ENABLE BIT(31)
781 struct mt792x_dev *dev = mt792x_hw_dev(hw);
782 u32 flags = MT7925_FILTER_ENABLE;
783
784 #define MT7925_FILTER(_fif, _type) do { \
785 if (*total_flags & (_fif)) \
786 flags |= MT7925_FILTER_##_type; \
787 } while (0)
788
789 MT7925_FILTER(FIF_FCSFAIL, FCSFAIL);
790 MT7925_FILTER(FIF_CONTROL, CONTROL);
791 MT7925_FILTER(FIF_OTHER_BSS, OTHER_BSS);
792
793 mt792x_mutex_acquire(dev);
794 mt7925_mcu_set_rxfilter(dev, flags, 0, 0);
795 mt792x_mutex_release(dev);
796
797 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL);
798 }
799
800 static u8
801 mt7925_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
802 bool beacon, bool mcast)
803 {
804 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
805 struct mt76_phy *mphy = hw->priv;
806 u16 rate;
807 u8 i, idx, ht;
808
809 rate = mt76_connac2_mac_tx_rate_val(mphy, vif, beacon, mcast);
810 ht = FIELD_GET(MT_TX_RATE_MODE, rate) > MT_PHY_TYPE_OFDM;
811
812 if (beacon && ht) {
813 struct mt792x_dev *dev = mt792x_hw_dev(hw);
814
815 /* must odd index */
816 idx = MT7925_BEACON_RATES_TBL + 2 * (mvif->idx % 20);
817 mt7925_mac_set_fixed_rate_table(dev, idx, rate);
818 return idx;
819 }
820
821 idx = FIELD_GET(MT_TX_RATE_IDX, rate);
822 for (i = 0; i < ARRAY_SIZE(mt76_rates); i++)
823 if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx)
824 return MT792x_BASIC_RATES_TBL + i;
825
826 return mvif->basic_rates_idx;
827 }
828
829 static int mt7925_mac_link_sta_add(struct mt76_dev *mdev,
830 struct ieee80211_vif *vif,
831 struct ieee80211_link_sta *link_sta)
832 {
833 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
834 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
835 struct ieee80211_bss_conf *link_conf;
836 struct mt792x_bss_conf *mconf;
837 u8 link_id = link_sta->link_id;
838 struct mt792x_link_sta *mlink;
839 struct mt792x_sta *msta;
840 int ret, idx;
841
842 msta = (struct mt792x_sta *)link_sta->sta->drv_priv;
843 mlink = mt792x_sta_to_link(msta, link_id);
844
845 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1);
846 if (idx < 0)
847 return -ENOSPC;
848
849 mconf = mt792x_vif_to_link(mvif, link_id);
850 INIT_LIST_HEAD(&mlink->wcid.poll_list);
851 mlink->wcid.sta = 1;
852 mlink->wcid.idx = idx;
853 mlink->wcid.phy_idx = mconf->mt76.band_idx;
854 mlink->wcid.tx_info |= MT_WCID_TX_INFO_SET;
855 mlink->last_txs = jiffies;
856 mlink->wcid.link_id = link_sta->link_id;
857 mlink->wcid.link_valid = !!link_sta->sta->valid_links;
858
859 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm);
860 if (ret)
861 return ret;
862
863 mt7925_mac_wtbl_update(dev, idx,
864 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
865
866 link_conf = mt792x_vif_to_bss_conf(vif, link_id);
867
868 /* should update bss info before STA add */
869 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls)
870 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx,
871 link_conf, link_sta, false);
872
873 if (ieee80211_vif_is_mld(vif) &&
874 link_sta == mlink->pri_link) {
875 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true,
876 MT76_STA_INFO_STATE_NONE);
877 if (ret)
878 return ret;
879 } else if (ieee80211_vif_is_mld(vif) &&
880 link_sta != mlink->pri_link) {
881 ret = mt7925_mcu_sta_update(dev, mlink->pri_link, vif,
882 true, MT76_STA_INFO_STATE_ASSOC);
883 if (ret)
884 return ret;
885
886 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true,
887 MT76_STA_INFO_STATE_ASSOC);
888 if (ret)
889 return ret;
890 } else {
891 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true,
892 MT76_STA_INFO_STATE_NONE);
893 if (ret)
894 return ret;
895 }
896
897 mt76_connac_power_save_sched(&dev->mphy, &dev->pm);
898
899 return 0;
900 }
901
902 static int
903 mt7925_mac_sta_add_links(struct mt792x_dev *dev, struct ieee80211_vif *vif,
904 struct ieee80211_sta *sta, unsigned long new_links)
905 {
906 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
907 struct mt76_wcid *wcid;
908 unsigned int link_id;
909 int err = 0;
910
911 for_each_set_bit(link_id, &new_links, IEEE80211_MLD_MAX_NUM_LINKS) {
912 struct ieee80211_link_sta *link_sta;
913 struct mt792x_link_sta *mlink;
914
915 if (msta->deflink_id == IEEE80211_LINK_UNSPECIFIED) {
916 mlink = &msta->deflink;
917 msta->deflink_id = link_id;
918 } else {
919 mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink), GFP_KERNEL);
920 if (!mlink) {
921 err = -ENOMEM;
922 break;
923 }
924
925 wcid = &mlink->wcid;
926 ewma_signal_init(&wcid->rssi);
927 rcu_assign_pointer(dev->mt76.wcid[wcid->idx], wcid);
928 mt76_wcid_init(wcid);
929 ewma_avg_signal_init(&mlink->avg_ack_signal);
930 memset(mlink->airtime_ac, 0,
931 sizeof(msta->deflink.airtime_ac));
932 }
933
934 msta->valid_links |= BIT(link_id);
935 rcu_assign_pointer(msta->link[link_id], mlink);
936 mlink->sta = msta;
937 mlink->pri_link = &sta->deflink;
938 mlink->wcid.def_wcid = &msta->deflink.wcid;
939
940 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id);
941 mt7925_mac_link_sta_add(&dev->mt76, vif, link_sta);
942 }
943
944 return err;
945 }
946
947 int mt7925_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
948 struct ieee80211_sta *sta)
949 {
950 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
951 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
952 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
953 int err;
954
955 msta->vif = mvif;
956
957 if (vif->type == NL80211_IFTYPE_STATION)
958 mvif->wep_sta = msta;
959
960 if (ieee80211_vif_is_mld(vif)) {
961 msta->deflink_id = IEEE80211_LINK_UNSPECIFIED;
962
963 err = mt7925_mac_sta_add_links(dev, vif, sta, sta->valid_links);
964 } else {
965 err = mt7925_mac_link_sta_add(mdev, vif, &sta->deflink);
966 }
967
968 return err;
969 }
970 EXPORT_SYMBOL_GPL(mt7925_mac_sta_add);
971
972 static u16
973 mt7925_mac_select_links(struct mt76_dev *mdev, struct ieee80211_vif *vif)
974 {
975 unsigned long usable_links = ieee80211_vif_usable_links(vif);
976 struct {
977 u8 link_id;
978 enum nl80211_band band;
979 } data[IEEE80211_MLD_MAX_NUM_LINKS];
980 u8 link_id, i, j, n_data = 0;
981 u16 sel_links = 0;
982
983 if (!ieee80211_vif_is_mld(vif))
984 return 0;
985
986 if (vif->active_links == usable_links)
987 return vif->active_links;
988
989 rcu_read_lock();
990 for_each_set_bit(link_id, &usable_links, IEEE80211_MLD_MAX_NUM_LINKS) {
991 struct ieee80211_bss_conf *link_conf =
992 rcu_dereference(vif->link_conf[link_id]);
993
994 if (WARN_ON_ONCE(!link_conf))
995 continue;
996
997 data[n_data].link_id = link_id;
998 data[n_data].band = link_conf->chanreq.oper.chan->band;
999 n_data++;
1000 }
1001 rcu_read_unlock();
1002
1003 for (i = 0; i < n_data; i++) {
1004 if (!(BIT(data[i].link_id) & vif->active_links))
1005 continue;
1006
1007 sel_links = BIT(data[i].link_id);
1008
1009 for (j = 0; j < n_data; j++) {
1010 if (data[i].band != data[j].band) {
1011 sel_links |= BIT(data[j].link_id);
1012 break;
1013 }
1014 }
1015
1016 break;
1017 }
1018
1019 return sel_links;
1020 }
1021
1022 static void
1023 mt7925_mac_set_links(struct mt76_dev *mdev, struct ieee80211_vif *vif)
1024 {
1025 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
1026 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1027 struct ieee80211_bss_conf *link_conf =
1028 mt792x_vif_to_bss_conf(vif, mvif->deflink_id);
1029 struct cfg80211_chan_def *chandef = &link_conf->chanreq.oper;
1030 enum nl80211_band band = chandef->chan->band, secondary_band;
1031
1032 u16 sel_links = mt7925_mac_select_links(mdev, vif);
1033 u8 secondary_link_id = __ffs(~BIT(mvif->deflink_id) & sel_links);
1034
1035 if (!ieee80211_vif_is_mld(vif) || hweight16(sel_links) < 2)
1036 return;
1037
1038 link_conf = mt792x_vif_to_bss_conf(vif, secondary_link_id);
1039 secondary_band = link_conf->chanreq.oper.chan->band;
1040
1041 if (band == NL80211_BAND_2GHZ ||
1042 (band == NL80211_BAND_5GHZ && secondary_band == NL80211_BAND_6GHZ)) {
1043 mt7925_abort_roc(mvif->phy, &mvif->bss_conf);
1044
1045 mt792x_mutex_acquire(dev);
1046
1047 mt7925_set_mlo_roc(mvif->phy, &mvif->bss_conf, sel_links);
1048
1049 mt792x_mutex_release(dev);
1050 }
1051
1052 ieee80211_set_active_links_async(vif, sel_links);
1053 }
1054
1055 static void mt7925_mac_link_sta_assoc(struct mt76_dev *mdev,
1056 struct ieee80211_vif *vif,
1057 struct ieee80211_link_sta *link_sta)
1058 {
1059 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
1060 struct ieee80211_bss_conf *link_conf;
1061 struct mt792x_link_sta *mlink;
1062 struct mt792x_sta *msta;
1063
1064 msta = (struct mt792x_sta *)link_sta->sta->drv_priv;
1065 mlink = mt792x_sta_to_link(msta, link_sta->link_id);
1066
1067 mt792x_mutex_acquire(dev);
1068
1069 if (ieee80211_vif_is_mld(vif)) {
1070 link_conf = mt792x_vif_to_bss_conf(vif, msta->deflink_id);
1071 } else {
1072 link_conf = mt792x_vif_to_bss_conf(vif, vif->bss_conf.link_id);
1073 }
1074
1075 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) {
1076 struct mt792x_bss_conf *mconf;
1077
1078 mconf = mt792x_link_conf_to_mconf(link_conf);
1079 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx,
1080 link_conf, link_sta, true);
1081 }
1082
1083 ewma_avg_signal_init(&mlink->avg_ack_signal);
1084
1085 mt7925_mac_wtbl_update(dev, mlink->wcid.idx,
1086 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
1087 memset(mlink->airtime_ac, 0, sizeof(mlink->airtime_ac));
1088
1089 mt7925_mcu_sta_update(dev, link_sta, vif, true, MT76_STA_INFO_STATE_ASSOC);
1090
1091 mt792x_mutex_release(dev);
1092 }
1093
1094 int mt7925_mac_sta_event(struct mt76_dev *mdev, struct ieee80211_vif *vif,
1095 struct ieee80211_sta *sta, enum mt76_sta_event ev)
1096 {
1097 struct ieee80211_link_sta *link_sta = &sta->deflink;
1098
1099 if (ev != MT76_STA_EVENT_ASSOC)
1100 return 0;
1101
1102 if (ieee80211_vif_is_mld(vif)) {
1103 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
1104
1105 link_sta = mt792x_sta_to_link_sta(vif, sta, msta->deflink_id);
1106 mt7925_mac_set_links(mdev, vif);
1107 }
1108
1109 mt7925_mac_link_sta_assoc(mdev, vif, link_sta);
1110
1111 return 0;
1112 }
1113 EXPORT_SYMBOL_GPL(mt7925_mac_sta_event);
1114
1115 static void mt7925_mac_link_sta_remove(struct mt76_dev *mdev,
1116 struct ieee80211_vif *vif,
1117 struct ieee80211_link_sta *link_sta)
1118 {
1119 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
1120 struct ieee80211_bss_conf *link_conf;
1121 u8 link_id = link_sta->link_id;
1122 struct mt792x_link_sta *mlink;
1123 struct mt792x_sta *msta;
1124
1125 msta = (struct mt792x_sta *)link_sta->sta->drv_priv;
1126 mlink = mt792x_sta_to_link(msta, link_id);
1127
1128 mt7925_roc_abort_sync(dev);
1129
1130 mt76_connac_free_pending_tx_skbs(&dev->pm, &mlink->wcid);
1131 mt76_connac_pm_wake(&dev->mphy, &dev->pm);
1132
1133 mt7925_mcu_sta_update(dev, link_sta, vif, false,
1134 MT76_STA_INFO_STATE_NONE);
1135 mt7925_mac_wtbl_update(dev, mlink->wcid.idx,
1136 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
1137
1138 link_conf = mt792x_vif_to_bss_conf(vif, link_id);
1139
1140 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) {
1141 struct mt792x_bss_conf *mconf;
1142
1143 mconf = mt792x_link_conf_to_mconf(link_conf);
1144 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, link_conf,
1145 link_sta, false);
1146 }
1147
1148 spin_lock_bh(&mdev->sta_poll_lock);
1149 if (!list_empty(&mlink->wcid.poll_list))
1150 list_del_init(&mlink->wcid.poll_list);
1151 spin_unlock_bh(&mdev->sta_poll_lock);
1152
1153 mt76_connac_power_save_sched(&dev->mphy, &dev->pm);
1154 }
1155
1156 static int
1157 mt7925_mac_sta_remove_links(struct mt792x_dev *dev, struct ieee80211_vif *vif,
1158 struct ieee80211_sta *sta, unsigned long old_links)
1159 {
1160 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
1161 struct mt76_dev *mdev = &dev->mt76;
1162 struct mt76_wcid *wcid;
1163 unsigned int link_id;
1164
1165 for_each_set_bit(link_id, &old_links, IEEE80211_MLD_MAX_NUM_LINKS) {
1166 struct ieee80211_link_sta *link_sta;
1167 struct mt792x_link_sta *mlink;
1168
1169 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id);
1170 if (!link_sta)
1171 continue;
1172
1173 mlink = mt792x_sta_to_link(msta, link_id);
1174 if (!mlink)
1175 continue;
1176
1177 mt7925_mac_link_sta_remove(&dev->mt76, vif, link_sta);
1178
1179 wcid = &mlink->wcid;
1180 rcu_assign_pointer(msta->link[link_id], NULL);
1181 msta->valid_links &= ~BIT(link_id);
1182 mlink->sta = NULL;
1183 mlink->pri_link = NULL;
1184
1185 if (link_sta != mlink->pri_link) {
1186 mt76_wcid_cleanup(mdev, wcid);
1187 mt76_wcid_mask_clear(mdev->wcid_mask, wcid->idx);
1188 mt76_wcid_mask_clear(mdev->wcid_phy_mask, wcid->idx);
1189 }
1190
1191 if (msta->deflink_id == link_id)
1192 msta->deflink_id = IEEE80211_LINK_UNSPECIFIED;
1193 }
1194
1195 return 0;
1196 }
1197
1198 void mt7925_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
1199 struct ieee80211_sta *sta)
1200 {
1201 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
1202 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
1203 unsigned long rem;
1204
1205 rem = ieee80211_vif_is_mld(vif) ? msta->valid_links : BIT(0);
1206
1207 mt7925_mac_sta_remove_links(dev, vif, sta, rem);
1208
1209 if (vif->type == NL80211_IFTYPE_STATION) {
1210 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1211
1212 mvif->wep_sta = NULL;
1213 ewma_rssi_init(&mvif->bss_conf.rssi);
1214 }
1215 }
1216 EXPORT_SYMBOL_GPL(mt7925_mac_sta_remove);
1217
1218 static int mt7925_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
1219 {
1220 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1221
1222 mt792x_mutex_acquire(dev);
1223 mt7925_mcu_set_rts_thresh(&dev->phy, val);
1224 mt792x_mutex_release(dev);
1225
1226 return 0;
1227 }
1228
1229 static int
1230 mt7925_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1231 struct ieee80211_ampdu_params *params)
1232 {
1233 enum ieee80211_ampdu_mlme_action action = params->action;
1234 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1235 struct ieee80211_sta *sta = params->sta;
1236 struct ieee80211_txq *txq = sta->txq[params->tid];
1237 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
1238 u16 tid = params->tid;
1239 u16 ssn = params->ssn;
1240 struct mt76_txq *mtxq;
1241 int ret = 0;
1242
1243 if (!txq)
1244 return -EINVAL;
1245
1246 mtxq = (struct mt76_txq *)txq->drv_priv;
1247
1248 mt792x_mutex_acquire(dev);
1249 switch (action) {
1250 case IEEE80211_AMPDU_RX_START:
1251 mt76_rx_aggr_start(&dev->mt76, &msta->deflink.wcid, tid, ssn,
1252 params->buf_size);
1253 mt7925_mcu_uni_rx_ba(dev, params, true);
1254 break;
1255 case IEEE80211_AMPDU_RX_STOP:
1256 mt76_rx_aggr_stop(&dev->mt76, &msta->deflink.wcid, tid);
1257 mt7925_mcu_uni_rx_ba(dev, params, false);
1258 break;
1259 case IEEE80211_AMPDU_TX_OPERATIONAL:
1260 mtxq->aggr = true;
1261 mtxq->send_bar = false;
1262 mt7925_mcu_uni_tx_ba(dev, params, true);
1263 break;
1264 case IEEE80211_AMPDU_TX_STOP_FLUSH:
1265 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1266 mtxq->aggr = false;
1267 clear_bit(tid, &msta->deflink.wcid.ampdu_state);
1268 mt7925_mcu_uni_tx_ba(dev, params, false);
1269 break;
1270 case IEEE80211_AMPDU_TX_START:
1271 set_bit(tid, &msta->deflink.wcid.ampdu_state);
1272 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
1273 break;
1274 case IEEE80211_AMPDU_TX_STOP_CONT:
1275 mtxq->aggr = false;
1276 clear_bit(tid, &msta->deflink.wcid.ampdu_state);
1277 mt7925_mcu_uni_tx_ba(dev, params, false);
1278 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1279 break;
1280 }
1281 mt792x_mutex_release(dev);
1282
1283 return ret;
1284 }
1285
1286 static bool is_valid_alpha2(const char *alpha2)
1287 {
1288 if (!alpha2)
1289 return false;
1290
1291 if (alpha2[0] == '0' && alpha2[1] == '0')
1292 return true;
1293
1294 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
1295 return true;
1296
1297 return false;
1298 }
1299
1300 void mt7925_scan_work(struct work_struct *work)
1301 {
1302 struct mt792x_phy *phy;
1303
1304 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy,
1305 scan_work.work);
1306
1307 while (true) {
1308 struct mt76_dev *mdev = &phy->dev->mt76;
1309 struct sk_buff *skb;
1310 struct tlv *tlv;
1311 int tlv_len;
1312
1313 spin_lock_bh(&phy->dev->mt76.lock);
1314 skb = __skb_dequeue(&phy->scan_event_list);
1315 spin_unlock_bh(&phy->dev->mt76.lock);
1316
1317 if (!skb)
1318 break;
1319
1320 skb_pull(skb, sizeof(struct mt7925_mcu_rxd) + 4);
1321 tlv = (struct tlv *)skb->data;
1322 tlv_len = skb->len;
1323
1324 while (tlv_len > 0 && le16_to_cpu(tlv->len) <= tlv_len) {
1325 struct mt7925_mcu_scan_chinfo_event *evt;
1326
1327 switch (le16_to_cpu(tlv->tag)) {
1328 case UNI_EVENT_SCAN_DONE_BASIC:
1329 if (test_and_clear_bit(MT76_HW_SCANNING, &phy->mt76->state)) {
1330 struct cfg80211_scan_info info = {
1331 .aborted = false,
1332 };
1333 ieee80211_scan_completed(phy->mt76->hw, &info);
1334 }
1335 break;
1336 case UNI_EVENT_SCAN_DONE_CHNLINFO:
1337 evt = (struct mt7925_mcu_scan_chinfo_event *)tlv->data;
1338
1339 if (!is_valid_alpha2(evt->alpha2))
1340 break;
1341
1342 if (mdev->alpha2[0] != '0' && mdev->alpha2[1] != '0')
1343 break;
1344
1345 mt7925_mcu_set_clc(phy->dev, evt->alpha2, ENVIRON_INDOOR);
1346
1347 break;
1348 case UNI_EVENT_SCAN_DONE_NLO:
1349 ieee80211_sched_scan_results(phy->mt76->hw);
1350 break;
1351 default:
1352 break;
1353 }
1354
1355 tlv_len -= le16_to_cpu(tlv->len);
1356 tlv = (struct tlv *)((char *)(tlv) + le16_to_cpu(tlv->len));
1357 }
1358
1359 dev_kfree_skb(skb);
1360 }
1361 }
1362
1363 static int
1364 mt7925_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1365 struct ieee80211_scan_request *req)
1366 {
1367 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1368 struct mt76_phy *mphy = hw->priv;
1369 int err;
1370
1371 mt792x_mutex_acquire(dev);
1372 err = mt7925_mcu_hw_scan(mphy, vif, req);
1373 mt792x_mutex_release(dev);
1374
1375 return err;
1376 }
1377
1378 static void
1379 mt7925_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1380 {
1381 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1382 struct mt76_phy *mphy = hw->priv;
1383
1384 mt792x_mutex_acquire(dev);
1385 mt7925_mcu_cancel_hw_scan(mphy, vif);
1386 mt792x_mutex_release(dev);
1387 }
1388
1389 static int
1390 mt7925_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1391 struct cfg80211_sched_scan_request *req,
1392 struct ieee80211_scan_ies *ies)
1393 {
1394 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1395 struct mt76_phy *mphy = hw->priv;
1396 int err;
1397
1398 mt792x_mutex_acquire(dev);
1399
1400 err = mt7925_mcu_sched_scan_req(mphy, vif, req);
1401 if (err < 0)
1402 goto out;
1403
1404 err = mt7925_mcu_sched_scan_enable(mphy, vif, true);
1405 out:
1406 mt792x_mutex_release(dev);
1407
1408 return err;
1409 }
1410
1411 static int
1412 mt7925_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1413 {
1414 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1415 struct mt76_phy *mphy = hw->priv;
1416 int err;
1417
1418 mt792x_mutex_acquire(dev);
1419 err = mt7925_mcu_sched_scan_enable(mphy, vif, false);
1420 mt792x_mutex_release(dev);
1421
1422 return err;
1423 }
1424
1425 static int
1426 mt7925_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
1427 {
1428 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1429 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1430 int max_nss = hweight8(hw->wiphy->available_antennas_tx);
1431
1432 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
1433 return -EINVAL;
1434
1435 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
1436 tx_ant = BIT(ffs(tx_ant) - 1) - 1;
1437
1438 mt792x_mutex_acquire(dev);
1439
1440 phy->mt76->antenna_mask = tx_ant;
1441 phy->mt76->chainmask = tx_ant;
1442
1443 mt76_set_stream_caps(phy->mt76, true);
1444 mt7925_set_stream_he_eht_caps(phy);
1445
1446 /* TODO: update bmc_wtbl spe_idx when antenna changes */
1447 mt792x_mutex_release(dev);
1448
1449 return 0;
1450 }
1451
1452 #ifdef CONFIG_PM
1453 static int mt7925_suspend(struct ieee80211_hw *hw,
1454 struct cfg80211_wowlan *wowlan)
1455 {
1456 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1457 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1458
1459 cancel_delayed_work_sync(&phy->scan_work);
1460 cancel_delayed_work_sync(&phy->mt76->mac_work);
1461
1462 cancel_delayed_work_sync(&dev->pm.ps_work);
1463 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
1464
1465 mt792x_mutex_acquire(dev);
1466
1467 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1468 ieee80211_iterate_active_interfaces(hw,
1469 IEEE80211_IFACE_ITER_RESUME_ALL,
1470 mt7925_mcu_set_suspend_iter,
1471 &dev->mphy);
1472
1473 mt792x_mutex_release(dev);
1474
1475 return 0;
1476 }
1477
1478 static int mt7925_resume(struct ieee80211_hw *hw)
1479 {
1480 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1481 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1482
1483 mt792x_mutex_acquire(dev);
1484
1485 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1486 ieee80211_iterate_active_interfaces(hw,
1487 IEEE80211_IFACE_ITER_RESUME_ALL,
1488 mt7925_mcu_set_suspend_iter,
1489 &dev->mphy);
1490
1491 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
1492 MT792x_WATCHDOG_TIME);
1493
1494 mt792x_mutex_release(dev);
1495
1496 return 0;
1497 }
1498
1499 static void mt7925_set_rekey_data(struct ieee80211_hw *hw,
1500 struct ieee80211_vif *vif,
1501 struct cfg80211_gtk_rekey_data *data)
1502 {
1503 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1504
1505 mt792x_mutex_acquire(dev);
1506 mt76_connac_mcu_update_gtk_rekey(hw, vif, data);
1507 mt792x_mutex_release(dev);
1508 }
1509 #endif /* CONFIG_PM */
1510
1511 static void mt7925_sta_set_decap_offload(struct ieee80211_hw *hw,
1512 struct ieee80211_vif *vif,
1513 struct ieee80211_sta *sta,
1514 bool enabled)
1515 {
1516 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
1517 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1518 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1519 unsigned long valid = mvif->valid_links;
1520 u8 i;
1521
1522 mt792x_mutex_acquire(dev);
1523
1524 valid = ieee80211_vif_is_mld(vif) ? mvif->valid_links : BIT(0);
1525
1526 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
1527 struct mt792x_link_sta *mlink;
1528
1529 mlink = mt792x_sta_to_link(msta, i);
1530
1531 if (enabled)
1532 set_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags);
1533 else
1534 clear_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags);
1535
1536 mt7925_mcu_wtbl_update_hdr_trans(dev, vif, sta, i);
1537 }
1538
1539 mt792x_mutex_release(dev);
1540 }
1541
1542 #if IS_ENABLED(CONFIG_IPV6)
1543 static void __mt7925_ipv6_addr_change(struct ieee80211_hw *hw,
1544 struct ieee80211_bss_conf *link_conf,
1545 struct inet6_dev *idev)
1546 {
1547 struct mt792x_bss_conf *mconf = mt792x_link_conf_to_mconf(link_conf);
1548 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1549 struct inet6_ifaddr *ifa;
1550 struct sk_buff *skb;
1551 u8 idx = 0;
1552
1553 struct {
1554 struct {
1555 u8 bss_idx;
1556 u8 pad[3];
1557 } __packed hdr;
1558 struct mt7925_arpns_tlv arpns;
1559 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN];
1560 } req_hdr = {
1561 .hdr = {
1562 .bss_idx = mconf->mt76.idx,
1563 },
1564 .arpns = {
1565 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND),
1566 .len = cpu_to_le16(sizeof(req_hdr) - 4),
1567 .enable = true,
1568 },
1569 };
1570
1571 read_lock_bh(&idev->lock);
1572 list_for_each_entry(ifa, &idev->addr_list, if_list) {
1573 if (ifa->flags & IFA_F_TENTATIVE)
1574 continue;
1575 req_hdr.ns_addrs[idx] = ifa->addr;
1576 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN)
1577 break;
1578 }
1579 read_unlock_bh(&idev->lock);
1580
1581 if (!idx)
1582 return;
1583
1584 req_hdr.arpns.ips_num = idx;
1585
1586 skb = __mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req_hdr),
1587 0, GFP_ATOMIC);
1588 if (!skb)
1589 return;
1590
1591 skb_put_data(skb, &req_hdr, sizeof(req_hdr));
1592
1593 skb_queue_tail(&dev->ipv6_ns_list, skb);
1594
1595 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work);
1596 }
1597
1598 static void mt7925_ipv6_addr_change(struct ieee80211_hw *hw,
1599 struct ieee80211_vif *vif,
1600 struct inet6_dev *idev)
1601 {
1602 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1603 unsigned long valid = ieee80211_vif_is_mld(vif) ?
1604 mvif->valid_links : BIT(0);
1605 struct ieee80211_bss_conf *bss_conf;
1606 int i;
1607
1608 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
1609 bss_conf = mt792x_vif_to_bss_conf(vif, i);
1610 __mt7925_ipv6_addr_change(hw, bss_conf, idev);
1611 }
1612 }
1613
1614 #endif
1615
1616 int mt7925_set_tx_sar_pwr(struct ieee80211_hw *hw,
1617 const struct cfg80211_sar_specs *sar)
1618 {
1619 struct mt76_phy *mphy = hw->priv;
1620
1621 if (sar) {
1622 int err = mt76_init_sar_power(hw, sar);
1623
1624 if (err)
1625 return err;
1626 }
1627 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar);
1628
1629 return mt7925_mcu_set_rate_txpower(mphy);
1630 }
1631
1632 static int mt7925_set_sar_specs(struct ieee80211_hw *hw,
1633 const struct cfg80211_sar_specs *sar)
1634 {
1635 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1636 int err;
1637
1638 mt792x_mutex_acquire(dev);
1639 err = mt7925_mcu_set_clc(dev, dev->mt76.alpha2,
1640 dev->country_ie_env);
1641 if (err < 0)
1642 goto out;
1643
1644 err = mt7925_set_tx_sar_pwr(hw, sar);
1645 out:
1646 mt792x_mutex_release(dev);
1647
1648 return err;
1649 }
1650
1651 static void
1652 mt7925_channel_switch_beacon(struct ieee80211_hw *hw,
1653 struct ieee80211_vif *vif,
1654 struct cfg80211_chan_def *chandef)
1655 {
1656 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1657
1658 mt792x_mutex_acquire(dev);
1659 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, true);
1660 mt792x_mutex_release(dev);
1661 }
1662
1663 static int
1664 mt7925_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1665 unsigned int link_id, u16 queue,
1666 const struct ieee80211_tx_queue_params *params)
1667 {
1668 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1669 struct mt792x_bss_conf *mconf = mt792x_vif_to_link(mvif, link_id);
1670 static const u8 mq_to_aci[] = {
1671 [IEEE80211_AC_VO] = 3,
1672 [IEEE80211_AC_VI] = 2,
1673 [IEEE80211_AC_BE] = 0,
1674 [IEEE80211_AC_BK] = 1,
1675 };
1676
1677 /* firmware uses access class index */
1678 mconf->queue_params[mq_to_aci[queue]] = *params;
1679
1680 return 0;
1681 }
1682
1683 static int
1684 mt7925_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1685 struct ieee80211_bss_conf *link_conf)
1686 {
1687 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1688 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1689 int err;
1690
1691 mt792x_mutex_acquire(dev);
1692
1693 err = mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx,
1694 link_conf, NULL, true);
1695 if (err)
1696 goto out;
1697
1698 err = mt7925_mcu_set_bss_pm(dev, link_conf, true);
1699 if (err)
1700 goto out;
1701
1702 err = mt7925_mcu_sta_update(dev, NULL, vif, true,
1703 MT76_STA_INFO_STATE_NONE);
1704 out:
1705 mt792x_mutex_release(dev);
1706
1707 return err;
1708 }
1709
1710 static void
1711 mt7925_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1712 struct ieee80211_bss_conf *link_conf)
1713 {
1714 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1715 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1716 int err;
1717
1718 mt792x_mutex_acquire(dev);
1719
1720 err = mt7925_mcu_set_bss_pm(dev, link_conf, false);
1721 if (err)
1722 goto out;
1723
1724 mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx, link_conf,
1725 NULL, false);
1726
1727 out:
1728 mt792x_mutex_release(dev);
1729 }
1730
1731 static int
1732 mt7925_add_chanctx(struct ieee80211_hw *hw,
1733 struct ieee80211_chanctx_conf *ctx)
1734 {
1735 return 0;
1736 }
1737
1738 static void
1739 mt7925_remove_chanctx(struct ieee80211_hw *hw,
1740 struct ieee80211_chanctx_conf *ctx)
1741 {
1742 }
1743
1744 static void
1745 mt7925_change_chanctx(struct ieee80211_hw *hw,
1746 struct ieee80211_chanctx_conf *ctx,
1747 u32 changed)
1748 {
1749 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;
1750 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1751 struct mt792x_bss_conf *mconf;
1752 struct ieee80211_vif *vif;
1753 struct mt792x_vif *mvif;
1754
1755 if (!mctx->bss_conf)
1756 return;
1757
1758 mconf = mctx->bss_conf;
1759 mvif = mconf->vif;
1760 vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv);
1761
1762 mt792x_mutex_acquire(phy->dev);
1763 if (vif->type == NL80211_IFTYPE_MONITOR) {
1764 mt7925_mcu_set_sniffer(mvif->phy->dev, vif, true);
1765 mt7925_mcu_config_sniffer(mvif, ctx);
1766 } else {
1767 if (ieee80211_vif_is_mld(vif)) {
1768 unsigned long valid = mvif->valid_links;
1769 u8 i;
1770
1771 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
1772 mconf = mt792x_vif_to_link(mvif, i);
1773 if (mconf && mconf->mt76.ctx == ctx)
1774 break;
1775 }
1776
1777 } else {
1778 mconf = &mvif->bss_conf;
1779 }
1780
1781 if (mconf) {
1782 struct ieee80211_bss_conf *link_conf;
1783
1784 link_conf = mt792x_vif_to_bss_conf(vif, mconf->link_id);
1785 mt7925_mcu_set_chctx(mvif->phy->mt76, &mconf->mt76,
1786 link_conf, ctx);
1787 }
1788 }
1789
1790 mt792x_mutex_release(phy->dev);
1791 }
1792
1793 static void mt7925_mgd_prepare_tx(struct ieee80211_hw *hw,
1794 struct ieee80211_vif *vif,
1795 struct ieee80211_prep_tx_info *info)
1796 {
1797 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1798 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1799 u16 duration = info->duration ? info->duration :
1800 jiffies_to_msecs(HZ);
1801
1802 mt792x_mutex_acquire(dev);
1803 mt7925_set_roc(mvif->phy, &mvif->bss_conf,
1804 mvif->bss_conf.mt76.ctx->def.chan, duration,
1805 MT7925_ROC_REQ_JOIN);
1806 mt792x_mutex_release(dev);
1807 }
1808
1809 static void mt7925_mgd_complete_tx(struct ieee80211_hw *hw,
1810 struct ieee80211_vif *vif,
1811 struct ieee80211_prep_tx_info *info)
1812 {
1813 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1814
1815 mt7925_abort_roc(mvif->phy, &mvif->bss_conf);
1816 }
1817
1818 static void mt7925_vif_cfg_changed(struct ieee80211_hw *hw,
1819 struct ieee80211_vif *vif,
1820 u64 changed)
1821 {
1822 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1823 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1824 unsigned long valid = ieee80211_vif_is_mld(vif) ?
1825 mvif->valid_links : BIT(0);
1826 struct ieee80211_bss_conf *bss_conf;
1827 int i;
1828
1829 mt792x_mutex_acquire(dev);
1830
1831 if (changed & BSS_CHANGED_ASSOC) {
1832 mt7925_mcu_sta_update(dev, NULL, vif, true,
1833 MT76_STA_INFO_STATE_ASSOC);
1834 mt7925_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc);
1835 }
1836
1837 if (changed & BSS_CHANGED_ARP_FILTER) {
1838 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
1839 bss_conf = mt792x_vif_to_bss_conf(vif, i);
1840 mt7925_mcu_update_arp_filter(&dev->mt76, bss_conf);
1841 }
1842 }
1843
1844 if (changed & BSS_CHANGED_PS) {
1845 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
1846 bss_conf = mt792x_vif_to_bss_conf(vif, i);
1847 mt7925_mcu_uni_bss_ps(dev, bss_conf);
1848 }
1849 }
1850
1851 mt792x_mutex_release(dev);
1852 }
1853
1854 static void mt7925_link_info_changed(struct ieee80211_hw *hw,
1855 struct ieee80211_vif *vif,
1856 struct ieee80211_bss_conf *info,
1857 u64 changed)
1858 {
1859 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1860 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1861 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1862 struct mt792x_bss_conf *mconf;
1863
1864 mconf = mt792x_vif_to_link(mvif, info->link_id);
1865
1866 mt792x_mutex_acquire(dev);
1867
1868 if (changed & BSS_CHANGED_ERP_SLOT) {
1869 int slottime = info->use_short_slot ? 9 : 20;
1870
1871 if (slottime != phy->slottime) {
1872 phy->slottime = slottime;
1873 mt7925_mcu_set_timing(phy, info);
1874 }
1875 }
1876
1877 if (changed & BSS_CHANGED_MCAST_RATE)
1878 mconf->mt76.mcast_rates_idx =
1879 mt7925_get_rates_table(hw, vif, false, true);
1880
1881 if (changed & BSS_CHANGED_BASIC_RATES)
1882 mconf->mt76.basic_rates_idx =
1883 mt7925_get_rates_table(hw, vif, false, false);
1884
1885 if (changed & (BSS_CHANGED_BEACON |
1886 BSS_CHANGED_BEACON_ENABLED)) {
1887 mconf->mt76.beacon_rates_idx =
1888 mt7925_get_rates_table(hw, vif, true, false);
1889
1890 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif,
1891 info->enable_beacon);
1892 }
1893
1894 /* ensure that enable txcmd_mode after bss_info */
1895 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
1896 mt7925_mcu_set_tx(dev, info);
1897
1898 mt792x_mutex_release(dev);
1899 }
1900
1901 static int
1902 mt7925_change_vif_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1903 u16 old_links, u16 new_links,
1904 struct ieee80211_bss_conf *old[IEEE80211_MLD_MAX_NUM_LINKS])
1905 {
1906 struct mt792x_bss_conf *mconfs[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mconf;
1907 struct mt792x_link_sta *mlinks[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mlink;
1908 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1909 unsigned long add = new_links & ~old_links;
1910 unsigned long rem = old_links & ~new_links;
1911 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1912 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1913 struct ieee80211_bss_conf *link_conf;
1914 unsigned int link_id;
1915 int err;
1916
1917 if (old_links == new_links)
1918 return 0;
1919
1920 mt792x_mutex_acquire(dev);
1921
1922 for_each_set_bit(link_id, &rem, IEEE80211_MLD_MAX_NUM_LINKS) {
1923 mconf = mt792x_vif_to_link(mvif, link_id);
1924 mlink = mt792x_sta_to_link(&mvif->sta, link_id);
1925
1926 if (!mconf || !mlink)
1927 continue;
1928
1929 if (mconf != &mvif->bss_conf) {
1930 mt792x_mac_link_bss_remove(dev, mconf, mlink);
1931 devm_kfree(dev->mt76.dev, mconf);
1932 devm_kfree(dev->mt76.dev, mlink);
1933 }
1934
1935 rcu_assign_pointer(mvif->link_conf[link_id], NULL);
1936 rcu_assign_pointer(mvif->sta.link[link_id], NULL);
1937 }
1938
1939 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {
1940 if (!old_links) {
1941 mvif->deflink_id = link_id;
1942 mconf = &mvif->bss_conf;
1943 mlink = &mvif->sta.deflink;
1944 } else {
1945 mconf = devm_kzalloc(dev->mt76.dev, sizeof(*mconf),
1946 GFP_KERNEL);
1947 mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink),
1948 GFP_KERNEL);
1949 }
1950
1951 mconfs[link_id] = mconf;
1952 mlinks[link_id] = mlink;
1953 mconf->link_id = link_id;
1954 mconf->vif = mvif;
1955 mlink->wcid.link_id = link_id;
1956 mlink->wcid.link_valid = !!vif->valid_links;
1957 mlink->wcid.def_wcid = &mvif->sta.deflink.wcid;
1958 }
1959
1960 if (hweight16(mvif->valid_links) == 0)
1961 mt792x_mac_link_bss_remove(dev, &mvif->bss_conf,
1962 &mvif->sta.deflink);
1963
1964 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {
1965 mconf = mconfs[link_id];
1966 mlink = mlinks[link_id];
1967 link_conf = mt792x_vif_to_bss_conf(vif, link_id);
1968
1969 rcu_assign_pointer(mvif->link_conf[link_id], mconf);
1970 rcu_assign_pointer(mvif->sta.link[link_id], mlink);
1971
1972 err = mt7925_mac_link_bss_add(dev, link_conf, mlink);
1973 if (err < 0)
1974 goto free;
1975
1976 if (mconf != &mvif->bss_conf) {
1977 err = mt7925_set_mlo_roc(phy, &mvif->bss_conf,
1978 vif->active_links);
1979 if (err < 0)
1980 goto free;
1981 }
1982 }
1983
1984 mvif->valid_links = new_links;
1985
1986 mt792x_mutex_release(dev);
1987
1988 return 0;
1989
1990 free:
1991 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {
1992 rcu_assign_pointer(mvif->link_conf[link_id], NULL);
1993 rcu_assign_pointer(mvif->sta.link[link_id], NULL);
1994
1995 if (mconf != &mvif->bss_conf)
1996 devm_kfree(dev->mt76.dev, mconfs[link_id]);
1997 if (mlink != &mvif->sta.deflink)
1998 devm_kfree(dev->mt76.dev, mlinks[link_id]);
1999 }
2000
2001 mt792x_mutex_release(dev);
2002
2003 return err;
2004 }
2005
2006 static int
2007 mt7925_change_sta_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
2008 struct ieee80211_sta *sta, u16 old_links, u16 new_links)
2009 {
2010 unsigned long add = new_links & ~old_links;
2011 unsigned long rem = old_links & ~new_links;
2012 struct mt792x_dev *dev = mt792x_hw_dev(hw);
2013 int err = 0;
2014
2015 if (old_links == new_links)
2016 return 0;
2017
2018 mt792x_mutex_acquire(dev);
2019
2020 err = mt7925_mac_sta_remove_links(dev, vif, sta, rem);
2021 if (err < 0)
2022 goto out;
2023
2024 err = mt7925_mac_sta_add_links(dev, vif, sta, add);
2025 if (err < 0)
2026 goto out;
2027
2028 out:
2029 mt792x_mutex_release(dev);
2030
2031 return err;
2032 }
2033
2034 static int mt7925_assign_vif_chanctx(struct ieee80211_hw *hw,
2035 struct ieee80211_vif *vif,
2036 struct ieee80211_bss_conf *link_conf,
2037 struct ieee80211_chanctx_conf *ctx)
2038 {
2039 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;
2040 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
2041 struct mt792x_dev *dev = mt792x_hw_dev(hw);
2042 struct ieee80211_bss_conf *pri_link_conf;
2043 struct mt792x_bss_conf *mconf;
2044
2045 mutex_lock(&dev->mt76.mutex);
2046
2047 if (ieee80211_vif_is_mld(vif)) {
2048 mconf = mt792x_vif_to_link(mvif, link_conf->link_id);
2049 pri_link_conf = mt792x_vif_to_bss_conf(vif, mvif->deflink_id);
2050
2051 if (vif->type == NL80211_IFTYPE_STATION &&
2052 mconf == &mvif->bss_conf)
2053 mt7925_mcu_add_bss_info(&dev->phy, NULL, pri_link_conf,
2054 NULL, true);
2055 } else {
2056 mconf = &mvif->bss_conf;
2057 }
2058
2059 mconf->mt76.ctx = ctx;
2060 mctx->bss_conf = mconf;
2061 mutex_unlock(&dev->mt76.mutex);
2062
2063 return 0;
2064 }
2065
2066 static void mt7925_unassign_vif_chanctx(struct ieee80211_hw *hw,
2067 struct ieee80211_vif *vif,
2068 struct ieee80211_bss_conf *link_conf,
2069 struct ieee80211_chanctx_conf *ctx)
2070 {
2071 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;
2072 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
2073 struct mt792x_dev *dev = mt792x_hw_dev(hw);
2074 struct ieee80211_bss_conf *pri_link_conf;
2075 struct mt792x_bss_conf *mconf;
2076
2077 mutex_lock(&dev->mt76.mutex);
2078
2079 if (ieee80211_vif_is_mld(vif)) {
2080 mconf = mt792x_vif_to_link(mvif, link_conf->link_id);
2081 pri_link_conf = mt792x_vif_to_bss_conf(vif, mvif->deflink_id);
2082
2083 if (vif->type == NL80211_IFTYPE_STATION &&
2084 mconf == &mvif->bss_conf)
2085 mt7925_mcu_add_bss_info(&dev->phy, NULL, pri_link_conf,
2086 NULL, false);
2087 } else {
2088 mconf = &mvif->bss_conf;
2089 }
2090
2091 mctx->bss_conf = NULL;
2092 mconf->mt76.ctx = NULL;
2093 mutex_unlock(&dev->mt76.mutex);
2094 }
2095
2096 const struct ieee80211_ops mt7925_ops = {
2097 .tx = mt792x_tx,
2098 .start = mt7925_start,
2099 .stop = mt792x_stop,
2100 .add_interface = mt7925_add_interface,
2101 .remove_interface = mt792x_remove_interface,
2102 .config = mt7925_config,
2103 .conf_tx = mt7925_conf_tx,
2104 .configure_filter = mt7925_configure_filter,
2105 .start_ap = mt7925_start_ap,
2106 .stop_ap = mt7925_stop_ap,
2107 .sta_state = mt76_sta_state,
2108 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
2109 .set_key = mt7925_set_key,
2110 .sta_set_decap_offload = mt7925_sta_set_decap_offload,
2111 #if IS_ENABLED(CONFIG_IPV6)
2112 .ipv6_addr_change = mt7925_ipv6_addr_change,
2113 #endif /* CONFIG_IPV6 */
2114 .ampdu_action = mt7925_ampdu_action,
2115 .set_rts_threshold = mt7925_set_rts_threshold,
2116 .wake_tx_queue = mt76_wake_tx_queue,
2117 .release_buffered_frames = mt76_release_buffered_frames,
2118 .channel_switch_beacon = mt7925_channel_switch_beacon,
2119 .get_txpower = mt76_get_txpower,
2120 .get_stats = mt792x_get_stats,
2121 .get_et_sset_count = mt792x_get_et_sset_count,
2122 .get_et_strings = mt792x_get_et_strings,
2123 .get_et_stats = mt792x_get_et_stats,
2124 .get_tsf = mt792x_get_tsf,
2125 .set_tsf = mt792x_set_tsf,
2126 .get_survey = mt76_get_survey,
2127 .get_antenna = mt76_get_antenna,
2128 .set_antenna = mt7925_set_antenna,
2129 .set_coverage_class = mt792x_set_coverage_class,
2130 .hw_scan = mt7925_hw_scan,
2131 .cancel_hw_scan = mt7925_cancel_hw_scan,
2132 .sta_statistics = mt792x_sta_statistics,
2133 .sched_scan_start = mt7925_start_sched_scan,
2134 .sched_scan_stop = mt7925_stop_sched_scan,
2135 #ifdef CONFIG_PM
2136 .suspend = mt7925_suspend,
2137 .resume = mt7925_resume,
2138 .set_wakeup = mt792x_set_wakeup,
2139 .set_rekey_data = mt7925_set_rekey_data,
2140 #endif /* CONFIG_PM */
2141 .flush = mt792x_flush,
2142 .set_sar_specs = mt7925_set_sar_specs,
2143 .remain_on_channel = mt7925_remain_on_channel,
2144 .cancel_remain_on_channel = mt7925_cancel_remain_on_channel,
2145 .add_chanctx = mt7925_add_chanctx,
2146 .remove_chanctx = mt7925_remove_chanctx,
2147 .change_chanctx = mt7925_change_chanctx,
2148 .assign_vif_chanctx = mt7925_assign_vif_chanctx,
2149 .unassign_vif_chanctx = mt7925_unassign_vif_chanctx,
2150 .mgd_prepare_tx = mt7925_mgd_prepare_tx,
2151 .mgd_complete_tx = mt7925_mgd_complete_tx,
2152 .vif_cfg_changed = mt7925_vif_cfg_changed,
2153 .link_info_changed = mt7925_link_info_changed,
2154 .change_vif_links = mt7925_change_vif_links,
2155 .change_sta_links = mt7925_change_sta_links,
2156 };
2157 EXPORT_SYMBOL_GPL(mt7925_ops);
2158
2159 MODULE_AUTHOR("Deren Wu <deren.wu@mediatek.com>");
2160 MODULE_DESCRIPTION("MediaTek MT7925 core driver");
2161 MODULE_LICENSE("Dual BSD/GPL");
Kernel DRM miscellaneous fixes and cross-tree changes