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
mt7925_init_he_caps(struct mt792x_phy * phy,enum nl80211_band band,struct ieee80211_sband_iftype_data * data,enum nl80211_iftype iftype)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, band);
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
mt7925_init_eht_caps(struct mt792x_phy * phy,enum nl80211_band band,struct ieee80211_sband_iftype_data * data)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
mt7925_init_mlo_caps(struct mt792x_phy * phy)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_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(0, 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
__mt7925_set_stream_he_eht_caps(struct mt792x_phy * phy,struct ieee80211_supported_band * sband,enum nl80211_band band)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
mt7925_set_stream_he_eht_caps(struct mt792x_phy * phy)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
__mt7925_start(struct mt792x_phy * phy)310 int __mt7925_start(struct mt792x_phy *phy)
311 {
312 struct mt76_phy *mphy = phy->mt76;
313 struct mt792x_dev *dev = phy->dev;
314 int err;
315
316 err = mt7925_mcu_set_channel_domain(mphy);
317 if (err)
318 return err;
319
320 err = mt7925_mcu_set_rts_thresh(phy, 0x92b);
321 if (err)
322 return err;
323
324 if (!dev->sar_inited) {
325 err = mt7925_set_tx_sar_pwr(mphy->hw, NULL);
326 if (err)
327 return err;
328 dev->sar_inited = true;
329 }
330
331 mt792x_mac_reset_counters(phy);
332 set_bit(MT76_STATE_RUNNING, &mphy->state);
333
334 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work,
335 MT792x_WATCHDOG_TIME);
336
337 if (phy->chip_cap & MT792x_CHIP_CAP_WF_RF_PIN_CTRL_EVT_EN)
338 wiphy_rfkill_start_polling(mphy->hw->wiphy);
339
340 return 0;
341 }
342 EXPORT_SYMBOL_GPL(__mt7925_start);
343
mt7925_start(struct ieee80211_hw * hw)344 static int mt7925_start(struct ieee80211_hw *hw)
345 {
346 struct mt792x_phy *phy = mt792x_hw_phy(hw);
347 int err;
348
349 mt792x_mutex_acquire(phy->dev);
350 err = __mt7925_start(phy);
351 mt792x_mutex_release(phy->dev);
352
353 return err;
354 }
355
mt7925_mac_link_bss_add(struct mt792x_dev * dev,struct ieee80211_bss_conf * link_conf,struct mt792x_link_sta * mlink)356 static int mt7925_mac_link_bss_add(struct mt792x_dev *dev,
357 struct ieee80211_bss_conf *link_conf,
358 struct mt792x_link_sta *mlink)
359 {
360 struct mt792x_bss_conf *mconf = mt792x_link_conf_to_mconf(link_conf);
361 struct ieee80211_vif *vif = link_conf->vif;
362 struct mt792x_vif *mvif = mconf->vif;
363 struct mt76_txq *mtxq;
364 int idx, ret = 0;
365
366 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
367 mconf->mt76.idx = MT792x_MAX_INTERFACES;
368 } else {
369 mconf->mt76.idx = __ffs64(~dev->mt76.vif_mask);
370
371 if (mconf->mt76.idx >= MT792x_MAX_INTERFACES) {
372 ret = -ENOSPC;
373 goto out;
374 }
375 }
376
377 mconf->mt76.omac_idx = ieee80211_vif_is_mld(vif) ?
378 0 : mconf->mt76.idx;
379 mconf->mt76.band_idx = 0xff;
380 mconf->mt76.wmm_idx = ieee80211_vif_is_mld(vif) ?
381 0 : mconf->mt76.idx % MT76_CONNAC_MAX_WMM_SETS;
382 mconf->mt76.link_idx = hweight16(mvif->valid_links);
383
384 if (mvif->phy->mt76->chandef.chan->band != NL80211_BAND_2GHZ)
385 mconf->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL + 4;
386 else
387 mconf->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL;
388
389 dev->mt76.vif_mask |= BIT_ULL(mconf->mt76.idx);
390 mvif->phy->omac_mask |= BIT_ULL(mconf->mt76.omac_idx);
391
392 idx = MT792x_WTBL_RESERVED - mconf->mt76.idx;
393
394 mlink->wcid.idx = idx;
395 mlink->wcid.tx_info |= MT_WCID_TX_INFO_SET;
396 mt76_wcid_init(&mlink->wcid, 0);
397
398 mt7925_mac_wtbl_update(dev, idx,
399 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
400
401 ewma_rssi_init(&mconf->rssi);
402
403 rcu_assign_pointer(dev->mt76.wcid[idx], &mlink->wcid);
404
405 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, link_conf, &mconf->mt76,
406 &mlink->wcid, true);
407 if (ret)
408 goto out;
409
410 if (vif->txq) {
411 mtxq = (struct mt76_txq *)vif->txq->drv_priv;
412 mtxq->wcid = idx;
413 }
414
415 out:
416 return ret;
417 }
418
419 static int
mt7925_add_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)420 mt7925_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
421 {
422 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
423 struct mt792x_dev *dev = mt792x_hw_dev(hw);
424 struct mt792x_phy *phy = mt792x_hw_phy(hw);
425 int ret = 0;
426
427 mt792x_mutex_acquire(dev);
428
429 mvif->phy = phy;
430 mvif->bss_conf.vif = mvif;
431 mvif->sta.vif = mvif;
432 mvif->deflink_id = IEEE80211_LINK_UNSPECIFIED;
433 mvif->mlo_pm_state = MT792x_MLO_LINK_DISASSOC;
434
435 ret = mt7925_mac_link_bss_add(dev, &vif->bss_conf, &mvif->sta.deflink);
436 if (ret < 0)
437 goto out;
438
439 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
440 out:
441 mt792x_mutex_release(dev);
442
443 return ret;
444 }
445
mt7925_roc_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)446 static void mt7925_roc_iter(void *priv, u8 *mac,
447 struct ieee80211_vif *vif)
448 {
449 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
450 struct mt792x_phy *phy = priv;
451
452 mt7925_mcu_abort_roc(phy, &mvif->bss_conf, phy->roc_token_id);
453 }
454
mt7925_roc_abort_sync(struct mt792x_dev * dev)455 void mt7925_roc_abort_sync(struct mt792x_dev *dev)
456 {
457 struct mt792x_phy *phy = &dev->phy;
458
459 timer_delete_sync(&phy->roc_timer);
460 cancel_work_sync(&phy->roc_work);
461 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
462 ieee80211_iterate_interfaces(mt76_hw(dev),
463 IEEE80211_IFACE_ITER_RESUME_ALL,
464 mt7925_roc_iter, (void *)phy);
465 }
466 EXPORT_SYMBOL_GPL(mt7925_roc_abort_sync);
467
mt7925_roc_work(struct work_struct * work)468 void mt7925_roc_work(struct work_struct *work)
469 {
470 struct mt792x_phy *phy;
471
472 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy,
473 roc_work);
474
475 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
476 return;
477
478 mt792x_mutex_acquire(phy->dev);
479 ieee80211_iterate_active_interfaces(phy->mt76->hw,
480 IEEE80211_IFACE_ITER_RESUME_ALL,
481 mt7925_roc_iter, phy);
482 mt792x_mutex_release(phy->dev);
483 ieee80211_remain_on_channel_expired(phy->mt76->hw);
484 }
485
mt7925_abort_roc(struct mt792x_phy * phy,struct mt792x_bss_conf * mconf)486 static int mt7925_abort_roc(struct mt792x_phy *phy,
487 struct mt792x_bss_conf *mconf)
488 {
489 int err = 0;
490
491 timer_delete_sync(&phy->roc_timer);
492 cancel_work_sync(&phy->roc_work);
493
494 mt792x_mutex_acquire(phy->dev);
495 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
496 err = mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id);
497 mt792x_mutex_release(phy->dev);
498
499 return err;
500 }
501
mt7925_set_roc(struct mt792x_phy * phy,struct mt792x_bss_conf * mconf,struct ieee80211_channel * chan,int duration,enum mt7925_roc_req type)502 static int mt7925_set_roc(struct mt792x_phy *phy,
503 struct mt792x_bss_conf *mconf,
504 struct ieee80211_channel *chan,
505 int duration,
506 enum mt7925_roc_req type)
507 {
508 int err;
509
510 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))
511 return -EBUSY;
512
513 phy->roc_grant = false;
514
515 err = mt7925_mcu_set_roc(phy, mconf, chan, duration, type,
516 ++phy->roc_token_id);
517 if (err < 0) {
518 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
519 goto out;
520 }
521
522 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, 4 * HZ)) {
523 mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id);
524 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
525 err = -ETIMEDOUT;
526 }
527
528 out:
529 return err;
530 }
531
mt7925_set_mlo_roc(struct mt792x_phy * phy,struct mt792x_bss_conf * mconf,u16 sel_links)532 static int mt7925_set_mlo_roc(struct mt792x_phy *phy,
533 struct mt792x_bss_conf *mconf,
534 u16 sel_links)
535 {
536 int err;
537
538 if (WARN_ON_ONCE(test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)))
539 return -EBUSY;
540
541 phy->roc_grant = false;
542
543 err = mt7925_mcu_set_mlo_roc(mconf, sel_links, 5, ++phy->roc_token_id);
544 if (err < 0) {
545 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
546 goto out;
547 }
548
549 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, 4 * HZ)) {
550 mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id);
551 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
552 err = -ETIMEDOUT;
553 }
554
555 out:
556 return err;
557 }
558
mt7925_remain_on_channel(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_channel * chan,int duration,enum ieee80211_roc_type type)559 static int mt7925_remain_on_channel(struct ieee80211_hw *hw,
560 struct ieee80211_vif *vif,
561 struct ieee80211_channel *chan,
562 int duration,
563 enum ieee80211_roc_type type)
564 {
565 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
566 struct mt792x_phy *phy = mt792x_hw_phy(hw);
567 int err;
568
569 mt792x_mutex_acquire(phy->dev);
570 err = mt7925_set_roc(phy, &mvif->bss_conf,
571 chan, duration, MT7925_ROC_REQ_ROC);
572 mt792x_mutex_release(phy->dev);
573
574 return err;
575 }
576
mt7925_cancel_remain_on_channel(struct ieee80211_hw * hw,struct ieee80211_vif * vif)577 static int mt7925_cancel_remain_on_channel(struct ieee80211_hw *hw,
578 struct ieee80211_vif *vif)
579 {
580 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
581 struct mt792x_phy *phy = mt792x_hw_phy(hw);
582
583 return mt7925_abort_roc(phy, &mvif->bss_conf);
584 }
585
mt7925_set_link_key(struct ieee80211_hw * hw,enum set_key_cmd cmd,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct ieee80211_key_conf * key,int link_id)586 static int mt7925_set_link_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
587 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
588 struct ieee80211_key_conf *key, int link_id)
589 {
590 struct mt792x_dev *dev = mt792x_hw_dev(hw);
591 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
592 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv :
593 &mvif->sta;
594 struct ieee80211_bss_conf *link_conf;
595 struct ieee80211_link_sta *link_sta;
596 int idx = key->keyidx, err = 0;
597 struct mt792x_link_sta *mlink;
598 struct mt792x_bss_conf *mconf;
599 struct mt76_wcid *wcid;
600 u8 *wcid_keyidx;
601
602 link_conf = mt792x_vif_to_bss_conf(vif, link_id);
603 link_sta = sta ? mt792x_sta_to_link_sta(vif, sta, link_id) : NULL;
604 mconf = mt792x_vif_to_link(mvif, link_id);
605 mlink = mt792x_sta_to_link(msta, link_id);
606 wcid = &mlink->wcid;
607 wcid_keyidx = &wcid->hw_key_idx;
608
609 /* fall back to sw encryption for unsupported ciphers */
610 switch (key->cipher) {
611 case WLAN_CIPHER_SUITE_AES_CMAC:
612 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
613 wcid_keyidx = &wcid->hw_key_idx2;
614 break;
615 case WLAN_CIPHER_SUITE_WEP40:
616 case WLAN_CIPHER_SUITE_WEP104:
617 if (!mvif->wep_sta)
618 return -EOPNOTSUPP;
619 break;
620 case WLAN_CIPHER_SUITE_TKIP:
621 case WLAN_CIPHER_SUITE_CCMP:
622 case WLAN_CIPHER_SUITE_CCMP_256:
623 case WLAN_CIPHER_SUITE_GCMP:
624 case WLAN_CIPHER_SUITE_GCMP_256:
625 case WLAN_CIPHER_SUITE_SMS4:
626 break;
627 default:
628 return -EOPNOTSUPP;
629 }
630
631 if (cmd == SET_KEY && !mconf->mt76.cipher) {
632 struct mt792x_phy *phy = mt792x_hw_phy(hw);
633
634 mconf->mt76.cipher = mt7925_mcu_get_cipher(key->cipher);
635 mt7925_mcu_add_bss_info(phy, mconf->mt76.ctx, link_conf,
636 link_sta, true);
637 }
638
639 if (cmd == SET_KEY)
640 *wcid_keyidx = idx;
641 else if (idx == *wcid_keyidx)
642 *wcid_keyidx = -1;
643 else
644 goto out;
645
646 mt76_wcid_key_setup(&dev->mt76, wcid,
647 cmd == SET_KEY ? key : NULL);
648
649 err = mt7925_mcu_add_key(&dev->mt76, vif, &mlink->bip,
650 key, MCU_UNI_CMD(STA_REC_UPDATE),
651 &mlink->wcid, cmd, msta);
652
653 if (err)
654 goto out;
655
656 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 ||
657 key->cipher == WLAN_CIPHER_SUITE_WEP40)
658 err = mt7925_mcu_add_key(&dev->mt76, vif, &mvif->wep_sta->deflink.bip,
659 key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE),
660 &mvif->wep_sta->deflink.wcid, cmd, msta);
661 out:
662 return err;
663 }
664
mt7925_set_key(struct ieee80211_hw * hw,enum set_key_cmd cmd,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct ieee80211_key_conf * key)665 static int mt7925_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
666 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
667 struct ieee80211_key_conf *key)
668 {
669 struct mt792x_dev *dev = mt792x_hw_dev(hw);
670 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
671 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv :
672 &mvif->sta;
673 int err;
674
675 /* The hardware does not support per-STA RX GTK, fallback
676 * to software mode for these.
677 */
678 if ((vif->type == NL80211_IFTYPE_ADHOC ||
679 vif->type == NL80211_IFTYPE_MESH_POINT) &&
680 (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
681 key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
682 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
683 return -EOPNOTSUPP;
684
685 mt792x_mutex_acquire(dev);
686
687 if (ieee80211_vif_is_mld(vif)) {
688 unsigned int link_id;
689 unsigned long add;
690
691 add = key->link_id != -1 ? BIT(key->link_id) : msta->valid_links;
692
693 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {
694 err = mt7925_set_link_key(hw, cmd, vif, sta, key, link_id);
695 if (err < 0)
696 break;
697 }
698 } else {
699 err = mt7925_set_link_key(hw, cmd, vif, sta, key, vif->bss_conf.link_id);
700 }
701
702 mt792x_mutex_release(dev);
703
704 return err;
705 }
706
707 static void
mt7925_pm_interface_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)708 mt7925_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
709 {
710 struct mt792x_dev *dev = priv;
711 struct ieee80211_hw *hw = mt76_hw(dev);
712 bool pm_enable = dev->pm.enable;
713 int err;
714
715 err = mt7925_mcu_set_beacon_filter(dev, vif, pm_enable);
716 if (err < 0)
717 return;
718
719 if (pm_enable) {
720 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
721 ieee80211_hw_set(hw, CONNECTION_MONITOR);
722 } else {
723 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER;
724 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags);
725 }
726 }
727
728 static void
mt7925_sniffer_interface_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)729 mt7925_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
730 {
731 struct mt792x_dev *dev = priv;
732 struct ieee80211_hw *hw = mt76_hw(dev);
733 struct mt76_connac_pm *pm = &dev->pm;
734 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
735
736 mt7925_mcu_set_sniffer(dev, vif, monitor);
737 pm->enable = pm->enable_user && !monitor;
738 pm->ds_enable = pm->ds_enable_user && !monitor;
739
740 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable);
741
742 if (monitor)
743 mt7925_mcu_set_beacon_filter(dev, vif, false);
744 }
745
mt7925_set_runtime_pm(struct mt792x_dev * dev)746 void mt7925_set_runtime_pm(struct mt792x_dev *dev)
747 {
748 struct ieee80211_hw *hw = mt76_hw(dev);
749 struct mt76_connac_pm *pm = &dev->pm;
750 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
751
752 pm->enable = pm->enable_user && !monitor;
753 ieee80211_iterate_active_interfaces(hw,
754 IEEE80211_IFACE_ITER_RESUME_ALL,
755 mt7925_pm_interface_iter, dev);
756 pm->ds_enable = pm->ds_enable_user && !monitor;
757 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable);
758 }
759
mt7925_config(struct ieee80211_hw * hw,int radio_idx,u32 changed)760 static int mt7925_config(struct ieee80211_hw *hw, int radio_idx, u32 changed)
761 {
762 struct mt792x_dev *dev = mt792x_hw_dev(hw);
763 int ret = 0;
764
765 mt792x_mutex_acquire(dev);
766
767 if (changed & IEEE80211_CONF_CHANGE_POWER) {
768 ret = mt7925_set_tx_sar_pwr(hw, NULL);
769 if (ret)
770 goto out;
771 }
772
773 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
774 ieee80211_iterate_active_interfaces(hw,
775 IEEE80211_IFACE_ITER_RESUME_ALL,
776 mt7925_sniffer_interface_iter, dev);
777 }
778
779 out:
780 mt792x_mutex_release(dev);
781
782 return ret;
783 }
784
mt7925_configure_filter(struct ieee80211_hw * hw,unsigned int changed_flags,unsigned int * total_flags,u64 multicast)785 static void mt7925_configure_filter(struct ieee80211_hw *hw,
786 unsigned int changed_flags,
787 unsigned int *total_flags,
788 u64 multicast)
789 {
790 #define MT7925_FILTER_FCSFAIL BIT(2)
791 #define MT7925_FILTER_CONTROL BIT(5)
792 #define MT7925_FILTER_OTHER_BSS BIT(6)
793 #define MT7925_FILTER_ENABLE BIT(31)
794 struct mt792x_dev *dev = mt792x_hw_dev(hw);
795 u32 flags = MT7925_FILTER_ENABLE;
796
797 #define MT7925_FILTER(_fif, _type) do { \
798 if (*total_flags & (_fif)) \
799 flags |= MT7925_FILTER_##_type; \
800 } while (0)
801
802 MT7925_FILTER(FIF_FCSFAIL, FCSFAIL);
803 MT7925_FILTER(FIF_CONTROL, CONTROL);
804 MT7925_FILTER(FIF_OTHER_BSS, OTHER_BSS);
805
806 mt792x_mutex_acquire(dev);
807 mt7925_mcu_set_rxfilter(dev, flags, 0, 0);
808 mt792x_mutex_release(dev);
809
810 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL);
811 }
812
813 static u8
mt7925_get_rates_table(struct ieee80211_hw * hw,struct ieee80211_vif * vif,bool beacon,bool mcast)814 mt7925_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
815 bool beacon, bool mcast)
816 {
817 struct mt76_vif_link *mvif = (struct mt76_vif_link *)vif->drv_priv;
818 struct mt76_phy *mphy = hw->priv;
819 u16 rate;
820 u8 i, idx, ht;
821
822 rate = mt76_connac2_mac_tx_rate_val(mphy, &vif->bss_conf, beacon, mcast);
823 ht = FIELD_GET(MT_TX_RATE_MODE, rate) > MT_PHY_TYPE_OFDM;
824
825 if (beacon && ht) {
826 struct mt792x_dev *dev = mt792x_hw_dev(hw);
827
828 /* must odd index */
829 idx = MT7925_BEACON_RATES_TBL + 2 * (mvif->idx % 20);
830 mt7925_mac_set_fixed_rate_table(dev, idx, rate);
831 return idx;
832 }
833
834 idx = FIELD_GET(MT_TX_RATE_IDX, rate);
835 for (i = 0; i < ARRAY_SIZE(mt76_rates); i++)
836 if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx)
837 return MT792x_BASIC_RATES_TBL + i;
838
839 return mvif->basic_rates_idx;
840 }
841
mt7925_mac_link_sta_add(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_link_sta * link_sta)842 static int mt7925_mac_link_sta_add(struct mt76_dev *mdev,
843 struct ieee80211_vif *vif,
844 struct ieee80211_link_sta *link_sta)
845 {
846 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
847 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
848 struct ieee80211_bss_conf *link_conf;
849 struct mt792x_bss_conf *mconf;
850 u8 link_id = link_sta->link_id;
851 struct mt792x_link_sta *mlink;
852 struct mt792x_sta *msta;
853 struct mt76_wcid *wcid;
854 int ret, idx;
855
856 msta = (struct mt792x_sta *)link_sta->sta->drv_priv;
857 mlink = mt792x_sta_to_link(msta, link_id);
858
859 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1);
860 if (idx < 0)
861 return -ENOSPC;
862
863 mconf = mt792x_vif_to_link(mvif, link_id);
864 mt76_wcid_init(&mlink->wcid, 0);
865 mlink->wcid.sta = 1;
866 mlink->wcid.idx = idx;
867 mlink->wcid.tx_info |= MT_WCID_TX_INFO_SET;
868 mlink->last_txs = jiffies;
869 mlink->wcid.link_id = link_sta->link_id;
870 mlink->wcid.link_valid = !!link_sta->sta->valid_links;
871 mlink->sta = msta;
872
873 wcid = &mlink->wcid;
874 ewma_signal_init(&wcid->rssi);
875 rcu_assign_pointer(dev->mt76.wcid[wcid->idx], wcid);
876 mt76_wcid_init(wcid, 0);
877 ewma_avg_signal_init(&mlink->avg_ack_signal);
878 memset(mlink->airtime_ac, 0,
879 sizeof(msta->deflink.airtime_ac));
880
881 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm);
882 if (ret)
883 return ret;
884
885 mt7925_mac_wtbl_update(dev, idx,
886 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
887
888 link_conf = mt792x_vif_to_bss_conf(vif, link_id);
889
890 /* should update bss info before STA add */
891 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) {
892 if (ieee80211_vif_is_mld(vif))
893 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx,
894 link_conf, link_sta, link_sta != mlink->pri_link);
895 else
896 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx,
897 link_conf, link_sta, false);
898 }
899
900 if (ieee80211_vif_is_mld(vif) &&
901 link_sta == mlink->pri_link) {
902 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true,
903 MT76_STA_INFO_STATE_NONE);
904 if (ret)
905 return ret;
906 } else if (ieee80211_vif_is_mld(vif) &&
907 link_sta != mlink->pri_link) {
908 ret = mt7925_mcu_sta_update(dev, mlink->pri_link, vif,
909 true, MT76_STA_INFO_STATE_ASSOC);
910 if (ret)
911 return ret;
912
913 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true,
914 MT76_STA_INFO_STATE_ASSOC);
915 if (ret)
916 return ret;
917 } else {
918 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true,
919 MT76_STA_INFO_STATE_NONE);
920 if (ret)
921 return ret;
922 }
923
924 mt76_connac_power_save_sched(&dev->mphy, &dev->pm);
925
926 return 0;
927 }
928
929 static int
mt7925_mac_sta_add_links(struct mt792x_dev * dev,struct ieee80211_vif * vif,struct ieee80211_sta * sta,unsigned long new_links)930 mt7925_mac_sta_add_links(struct mt792x_dev *dev, struct ieee80211_vif *vif,
931 struct ieee80211_sta *sta, unsigned long new_links)
932 {
933 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
934 unsigned int link_id;
935 int err = 0;
936
937 for_each_set_bit(link_id, &new_links, IEEE80211_MLD_MAX_NUM_LINKS) {
938 struct ieee80211_link_sta *link_sta;
939 struct mt792x_link_sta *mlink;
940
941 if (msta->deflink_id == IEEE80211_LINK_UNSPECIFIED) {
942 mlink = &msta->deflink;
943 msta->deflink_id = link_id;
944 } else {
945 mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink), GFP_KERNEL);
946 if (!mlink) {
947 err = -ENOMEM;
948 break;
949 }
950 }
951
952 msta->valid_links |= BIT(link_id);
953 rcu_assign_pointer(msta->link[link_id], mlink);
954 mlink->sta = msta;
955 mlink->pri_link = &sta->deflink;
956 mlink->wcid.def_wcid = &msta->deflink.wcid;
957
958 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id);
959 mt7925_mac_link_sta_add(&dev->mt76, vif, link_sta);
960 }
961
962 return err;
963 }
964
mt7925_mac_sta_add(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)965 int mt7925_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
966 struct ieee80211_sta *sta)
967 {
968 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
969 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
970 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
971 int err;
972
973 msta->vif = mvif;
974
975 if (vif->type == NL80211_IFTYPE_STATION)
976 mvif->wep_sta = msta;
977
978 if (ieee80211_vif_is_mld(vif)) {
979 msta->deflink_id = IEEE80211_LINK_UNSPECIFIED;
980
981 err = mt7925_mac_sta_add_links(dev, vif, sta, sta->valid_links);
982 } else {
983 err = mt7925_mac_link_sta_add(mdev, vif, &sta->deflink);
984 }
985
986 return err;
987 }
988 EXPORT_SYMBOL_GPL(mt7925_mac_sta_add);
989
990 static u16
mt7925_mac_select_links(struct mt76_dev * mdev,struct ieee80211_vif * vif)991 mt7925_mac_select_links(struct mt76_dev *mdev, struct ieee80211_vif *vif)
992 {
993 unsigned long usable_links = ieee80211_vif_usable_links(vif);
994 struct {
995 u8 link_id;
996 enum nl80211_band band;
997 } data[IEEE80211_MLD_MAX_NUM_LINKS];
998 u8 link_id, i, j, n_data = 0;
999 u16 sel_links = 0;
1000
1001 if (!ieee80211_vif_is_mld(vif))
1002 return 0;
1003
1004 if (vif->active_links == usable_links)
1005 return vif->active_links;
1006
1007 rcu_read_lock();
1008 for_each_set_bit(link_id, &usable_links, IEEE80211_MLD_MAX_NUM_LINKS) {
1009 struct ieee80211_bss_conf *link_conf =
1010 rcu_dereference(vif->link_conf[link_id]);
1011
1012 if (WARN_ON_ONCE(!link_conf))
1013 continue;
1014
1015 data[n_data].link_id = link_id;
1016 data[n_data].band = link_conf->chanreq.oper.chan->band;
1017 n_data++;
1018 }
1019 rcu_read_unlock();
1020
1021 for (i = 0; i < n_data; i++) {
1022 if (!(BIT(data[i].link_id) & vif->active_links))
1023 continue;
1024
1025 sel_links = BIT(data[i].link_id);
1026
1027 for (j = 0; j < n_data; j++) {
1028 if (data[i].band != data[j].band) {
1029 sel_links |= BIT(data[j].link_id);
1030 break;
1031 }
1032 }
1033
1034 break;
1035 }
1036
1037 return sel_links;
1038 }
1039
1040 static void
mt7925_mac_set_links(struct mt76_dev * mdev,struct ieee80211_vif * vif)1041 mt7925_mac_set_links(struct mt76_dev *mdev, struct ieee80211_vif *vif)
1042 {
1043 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
1044 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1045 struct ieee80211_bss_conf *link_conf =
1046 mt792x_vif_to_bss_conf(vif, mvif->deflink_id);
1047 struct cfg80211_chan_def *chandef = &link_conf->chanreq.oper;
1048 enum nl80211_band band = chandef->chan->band, secondary_band;
1049
1050 u16 sel_links = mt7925_mac_select_links(mdev, vif);
1051 u8 secondary_link_id = __ffs(~BIT(mvif->deflink_id) & sel_links);
1052
1053 if (!ieee80211_vif_is_mld(vif) || hweight16(sel_links) < 2)
1054 return;
1055
1056 link_conf = mt792x_vif_to_bss_conf(vif, secondary_link_id);
1057 secondary_band = link_conf->chanreq.oper.chan->band;
1058
1059 if (band == NL80211_BAND_2GHZ ||
1060 (band == NL80211_BAND_5GHZ && secondary_band == NL80211_BAND_6GHZ)) {
1061 mt7925_abort_roc(mvif->phy, &mvif->bss_conf);
1062
1063 mt792x_mutex_acquire(dev);
1064
1065 mt7925_set_mlo_roc(mvif->phy, &mvif->bss_conf, sel_links);
1066
1067 mt792x_mutex_release(dev);
1068 }
1069
1070 ieee80211_set_active_links_async(vif, sel_links);
1071 }
1072
mt7925_mac_link_sta_assoc(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_link_sta * link_sta)1073 static void mt7925_mac_link_sta_assoc(struct mt76_dev *mdev,
1074 struct ieee80211_vif *vif,
1075 struct ieee80211_link_sta *link_sta)
1076 {
1077 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
1078 struct ieee80211_bss_conf *link_conf;
1079 struct mt792x_link_sta *mlink;
1080 struct mt792x_sta *msta;
1081
1082 msta = (struct mt792x_sta *)link_sta->sta->drv_priv;
1083 mlink = mt792x_sta_to_link(msta, link_sta->link_id);
1084
1085 mt792x_mutex_acquire(dev);
1086
1087 if (ieee80211_vif_is_mld(vif)) {
1088 link_conf = mt792x_vif_to_bss_conf(vif, msta->deflink_id);
1089 } else {
1090 link_conf = mt792x_vif_to_bss_conf(vif, vif->bss_conf.link_id);
1091 }
1092
1093 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) {
1094 struct mt792x_bss_conf *mconf;
1095
1096 mconf = mt792x_link_conf_to_mconf(link_conf);
1097 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx,
1098 link_conf, link_sta, true);
1099 }
1100
1101 ewma_avg_signal_init(&mlink->avg_ack_signal);
1102
1103 mt7925_mac_wtbl_update(dev, mlink->wcid.idx,
1104 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
1105 memset(mlink->airtime_ac, 0, sizeof(mlink->airtime_ac));
1106
1107 mt7925_mcu_sta_update(dev, link_sta, vif, true, MT76_STA_INFO_STATE_ASSOC);
1108
1109 mt792x_mutex_release(dev);
1110 }
1111
mt7925_mac_sta_event(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta,enum mt76_sta_event ev)1112 int mt7925_mac_sta_event(struct mt76_dev *mdev, struct ieee80211_vif *vif,
1113 struct ieee80211_sta *sta, enum mt76_sta_event ev)
1114 {
1115 struct ieee80211_link_sta *link_sta = &sta->deflink;
1116
1117 if (ev != MT76_STA_EVENT_ASSOC)
1118 return 0;
1119
1120 if (ieee80211_vif_is_mld(vif)) {
1121 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
1122
1123 link_sta = mt792x_sta_to_link_sta(vif, sta, msta->deflink_id);
1124 mt7925_mac_set_links(mdev, vif);
1125 }
1126
1127 mt7925_mac_link_sta_assoc(mdev, vif, link_sta);
1128
1129 return 0;
1130 }
1131 EXPORT_SYMBOL_GPL(mt7925_mac_sta_event);
1132
mt7925_mac_link_sta_remove(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_link_sta * link_sta)1133 static void mt7925_mac_link_sta_remove(struct mt76_dev *mdev,
1134 struct ieee80211_vif *vif,
1135 struct ieee80211_link_sta *link_sta)
1136 {
1137 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
1138 struct ieee80211_bss_conf *link_conf;
1139 u8 link_id = link_sta->link_id;
1140 struct mt792x_link_sta *mlink;
1141 struct mt792x_sta *msta;
1142
1143 msta = (struct mt792x_sta *)link_sta->sta->drv_priv;
1144 mlink = mt792x_sta_to_link(msta, link_id);
1145
1146 mt7925_roc_abort_sync(dev);
1147
1148 mt76_connac_free_pending_tx_skbs(&dev->pm, &mlink->wcid);
1149 mt76_connac_pm_wake(&dev->mphy, &dev->pm);
1150
1151 mt7925_mcu_sta_update(dev, link_sta, vif, false,
1152 MT76_STA_INFO_STATE_NONE);
1153 mt7925_mac_wtbl_update(dev, mlink->wcid.idx,
1154 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
1155
1156 link_conf = mt792x_vif_to_bss_conf(vif, link_id);
1157
1158 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) {
1159 struct mt792x_bss_conf *mconf;
1160
1161 mconf = mt792x_link_conf_to_mconf(link_conf);
1162
1163 if (ieee80211_vif_is_mld(vif))
1164 mt792x_mac_link_bss_remove(dev, mconf, mlink);
1165 else
1166 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, link_conf,
1167 link_sta, false);
1168 }
1169
1170 spin_lock_bh(&mdev->sta_poll_lock);
1171 if (!list_empty(&mlink->wcid.poll_list))
1172 list_del_init(&mlink->wcid.poll_list);
1173 spin_unlock_bh(&mdev->sta_poll_lock);
1174
1175 mt76_connac_power_save_sched(&dev->mphy, &dev->pm);
1176 }
1177
1178 static int
mt7925_mac_sta_remove_links(struct mt792x_dev * dev,struct ieee80211_vif * vif,struct ieee80211_sta * sta,unsigned long old_links)1179 mt7925_mac_sta_remove_links(struct mt792x_dev *dev, struct ieee80211_vif *vif,
1180 struct ieee80211_sta *sta, unsigned long old_links)
1181 {
1182 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
1183 struct mt76_dev *mdev = &dev->mt76;
1184 struct mt76_wcid *wcid;
1185 unsigned int link_id;
1186
1187 /* clean up bss before starec */
1188 for_each_set_bit(link_id, &old_links, IEEE80211_MLD_MAX_NUM_LINKS) {
1189 struct ieee80211_link_sta *link_sta;
1190 struct ieee80211_bss_conf *link_conf;
1191 struct mt792x_bss_conf *mconf;
1192 struct mt792x_link_sta *mlink;
1193
1194 if (vif->type == NL80211_IFTYPE_AP)
1195 break;
1196
1197 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id);
1198 if (!link_sta)
1199 continue;
1200
1201 mlink = mt792x_sta_to_link(msta, link_id);
1202 if (!mlink)
1203 continue;
1204
1205 link_conf = mt792x_vif_to_bss_conf(vif, link_id);
1206 if (!link_conf)
1207 continue;
1208
1209 mconf = mt792x_link_conf_to_mconf(link_conf);
1210
1211 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, link_conf,
1212 link_sta, false);
1213 }
1214
1215 for_each_set_bit(link_id, &old_links, IEEE80211_MLD_MAX_NUM_LINKS) {
1216 struct ieee80211_link_sta *link_sta;
1217 struct mt792x_link_sta *mlink;
1218
1219 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id);
1220 if (!link_sta)
1221 continue;
1222
1223 mlink = mt792x_sta_to_link(msta, link_id);
1224 if (!mlink)
1225 continue;
1226
1227 mt7925_mac_link_sta_remove(&dev->mt76, vif, link_sta);
1228
1229 wcid = &mlink->wcid;
1230 rcu_assign_pointer(msta->link[link_id], NULL);
1231 msta->valid_links &= ~BIT(link_id);
1232 mlink->sta = NULL;
1233 mlink->pri_link = NULL;
1234
1235 if (link_sta != mlink->pri_link) {
1236 mt76_wcid_cleanup(mdev, wcid);
1237 mt76_wcid_mask_clear(mdev->wcid_mask, wcid->idx);
1238 }
1239
1240 if (msta->deflink_id == link_id)
1241 msta->deflink_id = IEEE80211_LINK_UNSPECIFIED;
1242 }
1243
1244 return 0;
1245 }
1246
mt7925_mac_sta_remove(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)1247 void mt7925_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
1248 struct ieee80211_sta *sta)
1249 {
1250 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
1251 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
1252 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1253 unsigned long rem;
1254
1255 rem = ieee80211_vif_is_mld(vif) ? msta->valid_links : BIT(0);
1256
1257 mt7925_mac_sta_remove_links(dev, vif, sta, rem);
1258
1259 if (ieee80211_vif_is_mld(vif))
1260 mt7925_mcu_del_dev(mdev, vif);
1261
1262 if (vif->type == NL80211_IFTYPE_STATION) {
1263 mvif->wep_sta = NULL;
1264 ewma_rssi_init(&mvif->bss_conf.rssi);
1265 }
1266
1267 mvif->mlo_pm_state = MT792x_MLO_LINK_DISASSOC;
1268 }
1269 EXPORT_SYMBOL_GPL(mt7925_mac_sta_remove);
1270
mt7925_set_rts_threshold(struct ieee80211_hw * hw,int radio_idx,u32 val)1271 static int mt7925_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx,
1272 u32 val)
1273 {
1274 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1275
1276 mt792x_mutex_acquire(dev);
1277 mt7925_mcu_set_rts_thresh(&dev->phy, val);
1278 mt792x_mutex_release(dev);
1279
1280 return 0;
1281 }
1282
1283 static int
mt7925_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)1284 mt7925_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1285 struct ieee80211_ampdu_params *params)
1286 {
1287 enum ieee80211_ampdu_mlme_action action = params->action;
1288 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1289 struct ieee80211_sta *sta = params->sta;
1290 struct ieee80211_txq *txq = sta->txq[params->tid];
1291 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
1292 u16 tid = params->tid;
1293 u16 ssn = params->ssn;
1294 struct mt76_txq *mtxq;
1295 int ret = 0;
1296
1297 if (!txq)
1298 return -EINVAL;
1299
1300 mtxq = (struct mt76_txq *)txq->drv_priv;
1301
1302 mt792x_mutex_acquire(dev);
1303 switch (action) {
1304 case IEEE80211_AMPDU_RX_START:
1305 mt76_rx_aggr_start(&dev->mt76, &msta->deflink.wcid, tid, ssn,
1306 params->buf_size);
1307 mt7925_mcu_uni_rx_ba(dev, params, true);
1308 break;
1309 case IEEE80211_AMPDU_RX_STOP:
1310 mt76_rx_aggr_stop(&dev->mt76, &msta->deflink.wcid, tid);
1311 mt7925_mcu_uni_rx_ba(dev, params, false);
1312 break;
1313 case IEEE80211_AMPDU_TX_OPERATIONAL:
1314 mtxq->aggr = true;
1315 mtxq->send_bar = false;
1316 mt7925_mcu_uni_tx_ba(dev, params, true);
1317 break;
1318 case IEEE80211_AMPDU_TX_STOP_FLUSH:
1319 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1320 mtxq->aggr = false;
1321 clear_bit(tid, &msta->deflink.wcid.ampdu_state);
1322 mt7925_mcu_uni_tx_ba(dev, params, false);
1323 break;
1324 case IEEE80211_AMPDU_TX_START:
1325 set_bit(tid, &msta->deflink.wcid.ampdu_state);
1326 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
1327 break;
1328 case IEEE80211_AMPDU_TX_STOP_CONT:
1329 mtxq->aggr = false;
1330 clear_bit(tid, &msta->deflink.wcid.ampdu_state);
1331 mt7925_mcu_uni_tx_ba(dev, params, false);
1332 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1333 break;
1334 }
1335 mt792x_mutex_release(dev);
1336
1337 return ret;
1338 }
1339
1340 static void
mt7925_mlo_pm_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)1341 mt7925_mlo_pm_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
1342 {
1343 struct mt792x_dev *dev = priv;
1344 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1345 unsigned long valid = ieee80211_vif_is_mld(vif) ?
1346 mvif->valid_links : BIT(0);
1347 struct ieee80211_bss_conf *bss_conf;
1348 int i;
1349
1350 if (mvif->mlo_pm_state != MT792x_MLO_CHANGED_PS)
1351 return;
1352
1353 mt792x_mutex_acquire(dev);
1354 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
1355 bss_conf = mt792x_vif_to_bss_conf(vif, i);
1356 mt7925_mcu_uni_bss_ps(dev, bss_conf);
1357 }
1358 mt792x_mutex_release(dev);
1359 }
1360
mt7925_mlo_pm_work(struct work_struct * work)1361 void mt7925_mlo_pm_work(struct work_struct *work)
1362 {
1363 struct mt792x_dev *dev = container_of(work, struct mt792x_dev,
1364 mlo_pm_work.work);
1365 struct ieee80211_hw *hw = mt76_hw(dev);
1366
1367 ieee80211_iterate_active_interfaces(hw,
1368 IEEE80211_IFACE_ITER_RESUME_ALL,
1369 mt7925_mlo_pm_iter, dev);
1370 }
1371
is_valid_alpha2(const char * alpha2)1372 static bool is_valid_alpha2(const char *alpha2)
1373 {
1374 if (!alpha2)
1375 return false;
1376
1377 if (alpha2[0] == '0' && alpha2[1] == '0')
1378 return true;
1379
1380 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
1381 return true;
1382
1383 return false;
1384 }
1385
mt7925_scan_work(struct work_struct * work)1386 void mt7925_scan_work(struct work_struct *work)
1387 {
1388 struct mt792x_phy *phy;
1389
1390 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy,
1391 scan_work.work);
1392
1393 while (true) {
1394 struct mt76_dev *mdev = &phy->dev->mt76;
1395 struct sk_buff *skb;
1396 struct tlv *tlv;
1397 int tlv_len;
1398
1399 spin_lock_bh(&phy->dev->mt76.lock);
1400 skb = __skb_dequeue(&phy->scan_event_list);
1401 spin_unlock_bh(&phy->dev->mt76.lock);
1402
1403 if (!skb)
1404 break;
1405
1406 skb_pull(skb, sizeof(struct mt7925_mcu_rxd) + 4);
1407 tlv = (struct tlv *)skb->data;
1408 tlv_len = skb->len;
1409
1410 while (tlv_len > 0 && le16_to_cpu(tlv->len) <= tlv_len) {
1411 struct mt7925_mcu_scan_chinfo_event *evt;
1412
1413 switch (le16_to_cpu(tlv->tag)) {
1414 case UNI_EVENT_SCAN_DONE_BASIC:
1415 if (test_and_clear_bit(MT76_HW_SCANNING, &phy->mt76->state)) {
1416 struct cfg80211_scan_info info = {
1417 .aborted = false,
1418 };
1419 ieee80211_scan_completed(phy->mt76->hw, &info);
1420 }
1421 break;
1422 case UNI_EVENT_SCAN_DONE_CHNLINFO:
1423 evt = (struct mt7925_mcu_scan_chinfo_event *)tlv->data;
1424
1425 if (!is_valid_alpha2(evt->alpha2))
1426 break;
1427
1428 mt7925_regd_be_ctrl(phy->dev, evt->alpha2);
1429
1430 if (mdev->alpha2[0] != '0' && mdev->alpha2[1] != '0')
1431 break;
1432
1433 mt7925_mcu_set_clc(phy->dev, evt->alpha2, ENVIRON_INDOOR);
1434
1435 break;
1436 case UNI_EVENT_SCAN_DONE_NLO:
1437 ieee80211_sched_scan_results(phy->mt76->hw);
1438 break;
1439 default:
1440 break;
1441 }
1442
1443 tlv_len -= le16_to_cpu(tlv->len);
1444 tlv = (struct tlv *)((char *)(tlv) + le16_to_cpu(tlv->len));
1445 }
1446
1447 dev_kfree_skb(skb);
1448 }
1449 }
1450
1451 static int
mt7925_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_scan_request * req)1452 mt7925_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1453 struct ieee80211_scan_request *req)
1454 {
1455 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1456 struct mt76_phy *mphy = hw->priv;
1457 int err;
1458
1459 mt792x_mutex_acquire(dev);
1460 err = mt7925_mcu_hw_scan(mphy, vif, req);
1461 mt792x_mutex_release(dev);
1462
1463 return err;
1464 }
1465
1466 static void
mt7925_cancel_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1467 mt7925_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1468 {
1469 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1470 struct mt76_phy *mphy = hw->priv;
1471
1472 mt792x_mutex_acquire(dev);
1473 mt7925_mcu_cancel_hw_scan(mphy, vif);
1474 mt792x_mutex_release(dev);
1475 }
1476
1477 static int
mt7925_start_sched_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_sched_scan_request * req,struct ieee80211_scan_ies * ies)1478 mt7925_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1479 struct cfg80211_sched_scan_request *req,
1480 struct ieee80211_scan_ies *ies)
1481 {
1482 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1483 struct mt76_phy *mphy = hw->priv;
1484 int err;
1485
1486 mt792x_mutex_acquire(dev);
1487
1488 err = mt7925_mcu_sched_scan_req(mphy, vif, req, ies);
1489 if (err < 0)
1490 goto out;
1491
1492 err = mt7925_mcu_sched_scan_enable(mphy, vif, true);
1493 out:
1494 mt792x_mutex_release(dev);
1495
1496 return err;
1497 }
1498
1499 static int
mt7925_stop_sched_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1500 mt7925_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1501 {
1502 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1503 struct mt76_phy *mphy = hw->priv;
1504 int err;
1505
1506 mt792x_mutex_acquire(dev);
1507 err = mt7925_mcu_sched_scan_enable(mphy, vif, false);
1508 mt792x_mutex_release(dev);
1509
1510 return err;
1511 }
1512
1513 static int
mt7925_set_antenna(struct ieee80211_hw * hw,int radio_idx,u32 tx_ant,u32 rx_ant)1514 mt7925_set_antenna(struct ieee80211_hw *hw, int radio_idx,
1515 u32 tx_ant, u32 rx_ant)
1516 {
1517 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1518 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1519 int max_nss = hweight8(hw->wiphy->available_antennas_tx);
1520
1521 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
1522 return -EINVAL;
1523
1524 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
1525 tx_ant = BIT(ffs(tx_ant) - 1) - 1;
1526
1527 mt792x_mutex_acquire(dev);
1528
1529 phy->mt76->antenna_mask = tx_ant;
1530 phy->mt76->chainmask = tx_ant;
1531
1532 mt76_set_stream_caps(phy->mt76, true);
1533 mt7925_set_stream_he_eht_caps(phy);
1534
1535 /* TODO: update bmc_wtbl spe_idx when antenna changes */
1536 mt792x_mutex_release(dev);
1537
1538 return 0;
1539 }
1540
1541 #ifdef CONFIG_PM
mt7925_suspend(struct ieee80211_hw * hw,struct cfg80211_wowlan * wowlan)1542 static int mt7925_suspend(struct ieee80211_hw *hw,
1543 struct cfg80211_wowlan *wowlan)
1544 {
1545 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1546 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1547
1548 cancel_delayed_work_sync(&phy->scan_work);
1549 cancel_delayed_work_sync(&phy->mt76->mac_work);
1550
1551 cancel_delayed_work_sync(&dev->pm.ps_work);
1552 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
1553
1554 mt792x_mutex_acquire(dev);
1555
1556 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1557 ieee80211_iterate_active_interfaces(hw,
1558 IEEE80211_IFACE_ITER_RESUME_ALL,
1559 mt7925_mcu_set_suspend_iter,
1560 &dev->mphy);
1561
1562 mt792x_mutex_release(dev);
1563
1564 return 0;
1565 }
1566
mt7925_resume(struct ieee80211_hw * hw)1567 static int mt7925_resume(struct ieee80211_hw *hw)
1568 {
1569 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1570 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1571
1572 mt792x_mutex_acquire(dev);
1573
1574 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1575 ieee80211_iterate_active_interfaces(hw,
1576 IEEE80211_IFACE_ITER_RESUME_ALL,
1577 mt7925_mcu_set_suspend_iter,
1578 &dev->mphy);
1579
1580 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
1581 MT792x_WATCHDOG_TIME);
1582
1583 mt792x_mutex_release(dev);
1584
1585 return 0;
1586 }
1587
mt7925_set_rekey_data(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_gtk_rekey_data * data)1588 static void mt7925_set_rekey_data(struct ieee80211_hw *hw,
1589 struct ieee80211_vif *vif,
1590 struct cfg80211_gtk_rekey_data *data)
1591 {
1592 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1593
1594 mt792x_mutex_acquire(dev);
1595 mt76_connac_mcu_update_gtk_rekey(hw, vif, data);
1596 mt792x_mutex_release(dev);
1597 }
1598 #endif /* CONFIG_PM */
1599
mt7925_sta_set_decap_offload(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enabled)1600 static void mt7925_sta_set_decap_offload(struct ieee80211_hw *hw,
1601 struct ieee80211_vif *vif,
1602 struct ieee80211_sta *sta,
1603 bool enabled)
1604 {
1605 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
1606 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1607 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1608 unsigned long valid = mvif->valid_links;
1609 u8 i;
1610
1611 if (!msta->vif)
1612 return;
1613
1614 mt792x_mutex_acquire(dev);
1615
1616 valid = ieee80211_vif_is_mld(vif) ? mvif->valid_links : BIT(0);
1617
1618 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
1619 struct mt792x_link_sta *mlink;
1620
1621 mlink = mt792x_sta_to_link(msta, i);
1622
1623 if (enabled)
1624 set_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags);
1625 else
1626 clear_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags);
1627
1628 if (!mlink->wcid.sta)
1629 continue;
1630
1631 mt7925_mcu_wtbl_update_hdr_trans(dev, vif, sta, i);
1632 }
1633
1634 mt792x_mutex_release(dev);
1635 }
1636
1637 #if IS_ENABLED(CONFIG_IPV6)
__mt7925_ipv6_addr_change(struct ieee80211_hw * hw,struct ieee80211_bss_conf * link_conf,struct inet6_dev * idev)1638 static void __mt7925_ipv6_addr_change(struct ieee80211_hw *hw,
1639 struct ieee80211_bss_conf *link_conf,
1640 struct inet6_dev *idev)
1641 {
1642 struct mt792x_bss_conf *mconf = mt792x_link_conf_to_mconf(link_conf);
1643 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1644 struct inet6_ifaddr *ifa;
1645 struct sk_buff *skb;
1646 u8 idx = 0;
1647
1648 struct {
1649 struct {
1650 u8 bss_idx;
1651 u8 pad[3];
1652 } __packed hdr;
1653 struct mt7925_arpns_tlv arpns;
1654 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN];
1655 } req_hdr = {
1656 .hdr = {
1657 .bss_idx = mconf->mt76.idx,
1658 },
1659 .arpns = {
1660 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND),
1661 .len = cpu_to_le16(sizeof(req_hdr) - 4),
1662 .enable = true,
1663 },
1664 };
1665
1666 read_lock_bh(&idev->lock);
1667 list_for_each_entry(ifa, &idev->addr_list, if_list) {
1668 if (ifa->flags & IFA_F_TENTATIVE)
1669 continue;
1670 req_hdr.ns_addrs[idx] = ifa->addr;
1671 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN)
1672 break;
1673 }
1674 read_unlock_bh(&idev->lock);
1675
1676 if (!idx)
1677 return;
1678
1679 req_hdr.arpns.ips_num = idx;
1680
1681 skb = __mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req_hdr),
1682 0, GFP_ATOMIC);
1683 if (!skb)
1684 return;
1685
1686 skb_put_data(skb, &req_hdr, sizeof(req_hdr));
1687
1688 skb_queue_tail(&dev->ipv6_ns_list, skb);
1689
1690 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work);
1691 }
1692
mt7925_ipv6_addr_change(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct inet6_dev * idev)1693 static void mt7925_ipv6_addr_change(struct ieee80211_hw *hw,
1694 struct ieee80211_vif *vif,
1695 struct inet6_dev *idev)
1696 {
1697 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1698 unsigned long valid = ieee80211_vif_is_mld(vif) ?
1699 mvif->valid_links : BIT(0);
1700 struct ieee80211_bss_conf *bss_conf;
1701 int i;
1702
1703 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
1704 bss_conf = mt792x_vif_to_bss_conf(vif, i);
1705 __mt7925_ipv6_addr_change(hw, bss_conf, idev);
1706 }
1707 }
1708
1709 #endif
1710
mt7925_set_tx_sar_pwr(struct ieee80211_hw * hw,const struct cfg80211_sar_specs * sar)1711 int mt7925_set_tx_sar_pwr(struct ieee80211_hw *hw,
1712 const struct cfg80211_sar_specs *sar)
1713 {
1714 struct mt76_phy *mphy = hw->priv;
1715
1716 if (sar) {
1717 int err = mt76_init_sar_power(hw, sar);
1718
1719 if (err)
1720 return err;
1721 }
1722 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar);
1723
1724 return mt7925_mcu_set_rate_txpower(mphy);
1725 }
1726
mt7925_set_sar_specs(struct ieee80211_hw * hw,const struct cfg80211_sar_specs * sar)1727 static int mt7925_set_sar_specs(struct ieee80211_hw *hw,
1728 const struct cfg80211_sar_specs *sar)
1729 {
1730 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1731 int err;
1732
1733 mt792x_mutex_acquire(dev);
1734 err = mt7925_mcu_set_clc(dev, dev->mt76.alpha2,
1735 dev->country_ie_env);
1736 if (err < 0)
1737 goto out;
1738
1739 err = mt7925_set_tx_sar_pwr(hw, sar);
1740 out:
1741 mt792x_mutex_release(dev);
1742
1743 return err;
1744 }
1745
1746 static void
mt7925_channel_switch_beacon(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_chan_def * chandef)1747 mt7925_channel_switch_beacon(struct ieee80211_hw *hw,
1748 struct ieee80211_vif *vif,
1749 struct cfg80211_chan_def *chandef)
1750 {
1751 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1752
1753 mt792x_mutex_acquire(dev);
1754 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, true);
1755 mt792x_mutex_release(dev);
1756 }
1757
1758 static int
mt7925_conf_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,unsigned int link_id,u16 queue,const struct ieee80211_tx_queue_params * params)1759 mt7925_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1760 unsigned int link_id, u16 queue,
1761 const struct ieee80211_tx_queue_params *params)
1762 {
1763 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1764 struct mt792x_bss_conf *mconf = mt792x_vif_to_link(mvif, link_id);
1765 static const u8 mq_to_aci[] = {
1766 [IEEE80211_AC_VO] = 3,
1767 [IEEE80211_AC_VI] = 2,
1768 [IEEE80211_AC_BE] = 0,
1769 [IEEE80211_AC_BK] = 1,
1770 };
1771
1772 /* firmware uses access class index */
1773 mconf->queue_params[mq_to_aci[queue]] = *params;
1774
1775 return 0;
1776 }
1777
1778 static int
mt7925_start_ap(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf)1779 mt7925_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1780 struct ieee80211_bss_conf *link_conf)
1781 {
1782 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1783 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1784 int err;
1785
1786 mt792x_mutex_acquire(dev);
1787
1788 err = mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx,
1789 link_conf, NULL, true);
1790 if (err)
1791 goto out;
1792
1793 err = mt7925_mcu_set_bss_pm(dev, link_conf, true);
1794 if (err)
1795 goto out;
1796
1797 err = mt7925_mcu_sta_update(dev, NULL, vif, true,
1798 MT76_STA_INFO_STATE_NONE);
1799 out:
1800 mt792x_mutex_release(dev);
1801
1802 return err;
1803 }
1804
1805 static void
mt7925_stop_ap(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf)1806 mt7925_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1807 struct ieee80211_bss_conf *link_conf)
1808 {
1809 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1810 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1811 int err;
1812
1813 mt792x_mutex_acquire(dev);
1814
1815 err = mt7925_mcu_set_bss_pm(dev, link_conf, false);
1816 if (err)
1817 goto out;
1818
1819 mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx, link_conf,
1820 NULL, false);
1821
1822 out:
1823 mt792x_mutex_release(dev);
1824 }
1825
1826 static int
mt7925_add_chanctx(struct ieee80211_hw * hw,struct ieee80211_chanctx_conf * ctx)1827 mt7925_add_chanctx(struct ieee80211_hw *hw,
1828 struct ieee80211_chanctx_conf *ctx)
1829 {
1830 return 0;
1831 }
1832
1833 static void
mt7925_remove_chanctx(struct ieee80211_hw * hw,struct ieee80211_chanctx_conf * ctx)1834 mt7925_remove_chanctx(struct ieee80211_hw *hw,
1835 struct ieee80211_chanctx_conf *ctx)
1836 {
1837 }
1838
1839 static void
mt7925_change_chanctx(struct ieee80211_hw * hw,struct ieee80211_chanctx_conf * ctx,u32 changed)1840 mt7925_change_chanctx(struct ieee80211_hw *hw,
1841 struct ieee80211_chanctx_conf *ctx,
1842 u32 changed)
1843 {
1844 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;
1845 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1846 struct mt792x_bss_conf *mconf;
1847 struct ieee80211_vif *vif;
1848 struct mt792x_vif *mvif;
1849
1850 if (!mctx->bss_conf)
1851 return;
1852
1853 mconf = mctx->bss_conf;
1854 mvif = mconf->vif;
1855 vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv);
1856
1857 mt792x_mutex_acquire(phy->dev);
1858 if (vif->type == NL80211_IFTYPE_MONITOR) {
1859 mt7925_mcu_set_sniffer(mvif->phy->dev, vif, true);
1860 mt7925_mcu_config_sniffer(mvif, ctx);
1861 } else {
1862 if (ieee80211_vif_is_mld(vif)) {
1863 unsigned long valid = mvif->valid_links;
1864 u8 i;
1865
1866 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
1867 mconf = mt792x_vif_to_link(mvif, i);
1868 if (mconf && mconf->mt76.ctx == ctx)
1869 break;
1870 }
1871
1872 } else {
1873 mconf = &mvif->bss_conf;
1874 }
1875
1876 if (mconf) {
1877 struct ieee80211_bss_conf *link_conf;
1878
1879 link_conf = mt792x_vif_to_bss_conf(vif, mconf->link_id);
1880 mt7925_mcu_set_chctx(mvif->phy->mt76, &mconf->mt76,
1881 link_conf, ctx);
1882
1883 if (changed & IEEE80211_CHANCTX_CHANGE_PUNCTURING)
1884 mt7925_mcu_set_eht_pp(mvif->phy->mt76, &mconf->mt76,
1885 link_conf, ctx);
1886 }
1887 }
1888
1889 mt792x_mutex_release(phy->dev);
1890 }
1891
mt7925_mgd_prepare_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_prep_tx_info * info)1892 static void mt7925_mgd_prepare_tx(struct ieee80211_hw *hw,
1893 struct ieee80211_vif *vif,
1894 struct ieee80211_prep_tx_info *info)
1895 {
1896 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1897 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1898 u16 duration = info->duration ? info->duration :
1899 jiffies_to_msecs(HZ);
1900
1901 mt792x_mutex_acquire(dev);
1902 mt7925_set_roc(mvif->phy, &mvif->bss_conf,
1903 mvif->bss_conf.mt76.ctx->def.chan, duration,
1904 MT7925_ROC_REQ_JOIN);
1905 mt792x_mutex_release(dev);
1906 }
1907
mt7925_mgd_complete_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_prep_tx_info * info)1908 static void mt7925_mgd_complete_tx(struct ieee80211_hw *hw,
1909 struct ieee80211_vif *vif,
1910 struct ieee80211_prep_tx_info *info)
1911 {
1912 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1913
1914 mt7925_abort_roc(mvif->phy, &mvif->bss_conf);
1915 }
1916
mt7925_vif_cfg_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u64 changed)1917 static void mt7925_vif_cfg_changed(struct ieee80211_hw *hw,
1918 struct ieee80211_vif *vif,
1919 u64 changed)
1920 {
1921 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1922 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1923 unsigned long valid = ieee80211_vif_is_mld(vif) ?
1924 mvif->valid_links : BIT(0);
1925 struct ieee80211_bss_conf *bss_conf;
1926 int i;
1927
1928 mt792x_mutex_acquire(dev);
1929
1930 if (changed & BSS_CHANGED_ASSOC) {
1931 mt7925_mcu_sta_update(dev, NULL, vif, true,
1932 MT76_STA_INFO_STATE_ASSOC);
1933 mt7925_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc);
1934
1935 if (ieee80211_vif_is_mld(vif))
1936 mvif->mlo_pm_state = MT792x_MLO_LINK_ASSOC;
1937 }
1938
1939 if (changed & BSS_CHANGED_ARP_FILTER) {
1940 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
1941 bss_conf = mt792x_vif_to_bss_conf(vif, i);
1942 mt7925_mcu_update_arp_filter(&dev->mt76, bss_conf);
1943 }
1944 }
1945
1946 if (changed & BSS_CHANGED_PS) {
1947 if (hweight16(mvif->valid_links) < 2) {
1948 /* legacy */
1949 bss_conf = &vif->bss_conf;
1950 mt7925_mcu_uni_bss_ps(dev, bss_conf);
1951 } else {
1952 if (mvif->mlo_pm_state == MT792x_MLO_LINK_ASSOC) {
1953 mvif->mlo_pm_state = MT792x_MLO_CHANGED_PS_PENDING;
1954 } else if (mvif->mlo_pm_state == MT792x_MLO_CHANGED_PS) {
1955 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
1956 bss_conf = mt792x_vif_to_bss_conf(vif, i);
1957 mt7925_mcu_uni_bss_ps(dev, bss_conf);
1958 }
1959 }
1960 }
1961 }
1962
1963 mt792x_mutex_release(dev);
1964 }
1965
mt7925_link_info_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info,u64 changed)1966 static void mt7925_link_info_changed(struct ieee80211_hw *hw,
1967 struct ieee80211_vif *vif,
1968 struct ieee80211_bss_conf *info,
1969 u64 changed)
1970 {
1971 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1972 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1973 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1974 struct mt792x_bss_conf *mconf;
1975 struct ieee80211_bss_conf *link_conf;
1976
1977 mconf = mt792x_vif_to_link(mvif, info->link_id);
1978 link_conf = mt792x_vif_to_bss_conf(vif, mconf->link_id);
1979
1980 mt792x_mutex_acquire(dev);
1981
1982 if (changed & BSS_CHANGED_ERP_SLOT) {
1983 int slottime = info->use_short_slot ? 9 : 20;
1984
1985 if (slottime != phy->slottime) {
1986 phy->slottime = slottime;
1987 mt7925_mcu_set_timing(phy, info);
1988 }
1989 }
1990
1991 if (changed & BSS_CHANGED_MCAST_RATE)
1992 mconf->mt76.mcast_rates_idx =
1993 mt7925_get_rates_table(hw, vif, false, true);
1994
1995 if (changed & BSS_CHANGED_BASIC_RATES)
1996 mconf->mt76.basic_rates_idx =
1997 mt7925_get_rates_table(hw, vif, false, false);
1998
1999 if (changed & (BSS_CHANGED_BEACON |
2000 BSS_CHANGED_BEACON_ENABLED)) {
2001 mconf->mt76.beacon_rates_idx =
2002 mt7925_get_rates_table(hw, vif, true, false);
2003
2004 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif,
2005 info->enable_beacon);
2006 }
2007
2008 /* ensure that enable txcmd_mode after bss_info */
2009 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
2010 mt7925_mcu_set_tx(dev, info);
2011
2012 if (mvif->mlo_pm_state == MT792x_MLO_CHANGED_PS_PENDING) {
2013 /* Indicate the secondary setup done */
2014 mt7925_mcu_uni_bss_bcnft(dev, info, true);
2015
2016 ieee80211_queue_delayed_work(hw, &dev->mlo_pm_work, 5 * HZ);
2017 mvif->mlo_pm_state = MT792x_MLO_CHANGED_PS;
2018 }
2019
2020 if (changed & IEEE80211_CHANCTX_CHANGE_PUNCTURING)
2021 mt7925_mcu_set_eht_pp(mvif->phy->mt76, &mconf->mt76,
2022 link_conf, NULL);
2023
2024 mt792x_mutex_release(dev);
2025 }
2026
2027 static int
mt7925_change_vif_links(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u16 old_links,u16 new_links,struct ieee80211_bss_conf * old[IEEE80211_MLD_MAX_NUM_LINKS])2028 mt7925_change_vif_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
2029 u16 old_links, u16 new_links,
2030 struct ieee80211_bss_conf *old[IEEE80211_MLD_MAX_NUM_LINKS])
2031 {
2032 struct mt792x_bss_conf *mconfs[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mconf;
2033 struct mt792x_link_sta *mlinks[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mlink;
2034 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
2035 unsigned long add = new_links & ~old_links;
2036 unsigned long rem = old_links & ~new_links;
2037 struct mt792x_dev *dev = mt792x_hw_dev(hw);
2038 struct mt792x_phy *phy = mt792x_hw_phy(hw);
2039 struct ieee80211_bss_conf *link_conf;
2040 unsigned int link_id;
2041 int err;
2042
2043 if (old_links == new_links)
2044 return 0;
2045
2046 mt792x_mutex_acquire(dev);
2047
2048 for_each_set_bit(link_id, &rem, IEEE80211_MLD_MAX_NUM_LINKS) {
2049 mconf = mt792x_vif_to_link(mvif, link_id);
2050 mlink = mt792x_sta_to_link(&mvif->sta, link_id);
2051
2052 if (!mconf || !mlink)
2053 continue;
2054
2055 if (mconf != &mvif->bss_conf) {
2056 mt792x_mac_link_bss_remove(dev, mconf, mlink);
2057 devm_kfree(dev->mt76.dev, mconf);
2058 devm_kfree(dev->mt76.dev, mlink);
2059 }
2060
2061 rcu_assign_pointer(mvif->link_conf[link_id], NULL);
2062 rcu_assign_pointer(mvif->sta.link[link_id], NULL);
2063 }
2064
2065 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {
2066 if (!old_links) {
2067 mvif->deflink_id = link_id;
2068 mconf = &mvif->bss_conf;
2069 mlink = &mvif->sta.deflink;
2070 } else {
2071 mconf = devm_kzalloc(dev->mt76.dev, sizeof(*mconf),
2072 GFP_KERNEL);
2073 mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink),
2074 GFP_KERNEL);
2075 if (!mconf || !mlink) {
2076 mt792x_mutex_release(dev);
2077 return -ENOMEM;
2078 }
2079 }
2080
2081 mconfs[link_id] = mconf;
2082 mlinks[link_id] = mlink;
2083 mconf->link_id = link_id;
2084 mconf->vif = mvif;
2085 mlink->wcid.link_id = link_id;
2086 mlink->wcid.link_valid = !!vif->valid_links;
2087 mlink->wcid.def_wcid = &mvif->sta.deflink.wcid;
2088 }
2089
2090 if (hweight16(mvif->valid_links) == 0)
2091 mt792x_mac_link_bss_remove(dev, &mvif->bss_conf,
2092 &mvif->sta.deflink);
2093
2094 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {
2095 mconf = mconfs[link_id];
2096 mlink = mlinks[link_id];
2097 link_conf = mt792x_vif_to_bss_conf(vif, link_id);
2098
2099 rcu_assign_pointer(mvif->link_conf[link_id], mconf);
2100 rcu_assign_pointer(mvif->sta.link[link_id], mlink);
2101
2102 err = mt7925_mac_link_bss_add(dev, link_conf, mlink);
2103 if (err < 0)
2104 goto free;
2105
2106 if (mconf != &mvif->bss_conf) {
2107 err = mt7925_set_mlo_roc(phy, &mvif->bss_conf,
2108 vif->active_links);
2109 if (err < 0)
2110 goto free;
2111 }
2112 }
2113
2114 mvif->valid_links = new_links;
2115
2116 mt792x_mutex_release(dev);
2117
2118 return 0;
2119
2120 free:
2121 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {
2122 rcu_assign_pointer(mvif->link_conf[link_id], NULL);
2123 rcu_assign_pointer(mvif->sta.link[link_id], NULL);
2124
2125 if (mconf != &mvif->bss_conf)
2126 devm_kfree(dev->mt76.dev, mconfs[link_id]);
2127 if (mlink != &mvif->sta.deflink)
2128 devm_kfree(dev->mt76.dev, mlinks[link_id]);
2129 }
2130
2131 mt792x_mutex_release(dev);
2132
2133 return err;
2134 }
2135
2136 static int
mt7925_change_sta_links(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,u16 old_links,u16 new_links)2137 mt7925_change_sta_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
2138 struct ieee80211_sta *sta, u16 old_links, u16 new_links)
2139 {
2140 unsigned long add = new_links & ~old_links;
2141 unsigned long rem = old_links & ~new_links;
2142 struct mt792x_dev *dev = mt792x_hw_dev(hw);
2143 int err = 0;
2144
2145 if (old_links == new_links)
2146 return 0;
2147
2148 mt792x_mutex_acquire(dev);
2149
2150 err = mt7925_mac_sta_remove_links(dev, vif, sta, rem);
2151 if (err < 0)
2152 goto out;
2153
2154 err = mt7925_mac_sta_add_links(dev, vif, sta, add);
2155 if (err < 0)
2156 goto out;
2157
2158 out:
2159 mt792x_mutex_release(dev);
2160
2161 return err;
2162 }
2163
mt7925_assign_vif_chanctx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf,struct ieee80211_chanctx_conf * ctx)2164 static int mt7925_assign_vif_chanctx(struct ieee80211_hw *hw,
2165 struct ieee80211_vif *vif,
2166 struct ieee80211_bss_conf *link_conf,
2167 struct ieee80211_chanctx_conf *ctx)
2168 {
2169 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;
2170 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
2171 struct mt792x_dev *dev = mt792x_hw_dev(hw);
2172 struct ieee80211_bss_conf *pri_link_conf;
2173 struct mt792x_bss_conf *mconf;
2174
2175 mutex_lock(&dev->mt76.mutex);
2176
2177 if (ieee80211_vif_is_mld(vif)) {
2178 mconf = mt792x_vif_to_link(mvif, link_conf->link_id);
2179 pri_link_conf = mt792x_vif_to_bss_conf(vif, mvif->deflink_id);
2180
2181 if (vif->type == NL80211_IFTYPE_STATION &&
2182 mconf == &mvif->bss_conf)
2183 mt7925_mcu_add_bss_info(&dev->phy, NULL, pri_link_conf,
2184 NULL, true);
2185 } else {
2186 mconf = &mvif->bss_conf;
2187 }
2188
2189 mconf->mt76.ctx = ctx;
2190 mctx->bss_conf = mconf;
2191 mutex_unlock(&dev->mt76.mutex);
2192
2193 return 0;
2194 }
2195
mt7925_unassign_vif_chanctx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf,struct ieee80211_chanctx_conf * ctx)2196 static void mt7925_unassign_vif_chanctx(struct ieee80211_hw *hw,
2197 struct ieee80211_vif *vif,
2198 struct ieee80211_bss_conf *link_conf,
2199 struct ieee80211_chanctx_conf *ctx)
2200 {
2201 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;
2202 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
2203 struct mt792x_dev *dev = mt792x_hw_dev(hw);
2204 struct mt792x_bss_conf *mconf;
2205
2206 mutex_lock(&dev->mt76.mutex);
2207
2208 if (ieee80211_vif_is_mld(vif)) {
2209 mconf = mt792x_vif_to_link(mvif, link_conf->link_id);
2210
2211 if (vif->type == NL80211_IFTYPE_STATION &&
2212 mconf == &mvif->bss_conf)
2213 mt7925_mcu_add_bss_info(&dev->phy, NULL, link_conf,
2214 NULL, false);
2215 } else {
2216 mconf = &mvif->bss_conf;
2217 }
2218
2219 mctx->bss_conf = NULL;
2220 mconf->mt76.ctx = NULL;
2221 mutex_unlock(&dev->mt76.mutex);
2222 }
2223
mt7925_rfkill_poll(struct ieee80211_hw * hw)2224 static void mt7925_rfkill_poll(struct ieee80211_hw *hw)
2225 {
2226 struct mt792x_phy *phy = mt792x_hw_phy(hw);
2227 int ret;
2228
2229 mt792x_mutex_acquire(phy->dev);
2230 ret = mt7925_mcu_wf_rf_pin_ctrl(phy);
2231 mt792x_mutex_release(phy->dev);
2232
2233 wiphy_rfkill_set_hw_state(hw->wiphy, ret == 0);
2234 }
2235
2236 const struct ieee80211_ops mt7925_ops = {
2237 .tx = mt792x_tx,
2238 .start = mt7925_start,
2239 .stop = mt792x_stop,
2240 .add_interface = mt7925_add_interface,
2241 .remove_interface = mt792x_remove_interface,
2242 .config = mt7925_config,
2243 .conf_tx = mt7925_conf_tx,
2244 .configure_filter = mt7925_configure_filter,
2245 .start_ap = mt7925_start_ap,
2246 .stop_ap = mt7925_stop_ap,
2247 .sta_state = mt76_sta_state,
2248 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
2249 .set_key = mt7925_set_key,
2250 .sta_set_decap_offload = mt7925_sta_set_decap_offload,
2251 #if IS_ENABLED(CONFIG_IPV6)
2252 .ipv6_addr_change = mt7925_ipv6_addr_change,
2253 #endif /* CONFIG_IPV6 */
2254 .ampdu_action = mt7925_ampdu_action,
2255 .set_rts_threshold = mt7925_set_rts_threshold,
2256 .wake_tx_queue = mt76_wake_tx_queue,
2257 .release_buffered_frames = mt76_release_buffered_frames,
2258 .channel_switch_beacon = mt7925_channel_switch_beacon,
2259 .get_txpower = mt76_get_txpower,
2260 .get_stats = mt792x_get_stats,
2261 .get_et_sset_count = mt792x_get_et_sset_count,
2262 .get_et_strings = mt792x_get_et_strings,
2263 .get_et_stats = mt792x_get_et_stats,
2264 .get_tsf = mt792x_get_tsf,
2265 .set_tsf = mt792x_set_tsf,
2266 .get_survey = mt76_get_survey,
2267 .get_antenna = mt76_get_antenna,
2268 .set_antenna = mt7925_set_antenna,
2269 .set_coverage_class = mt792x_set_coverage_class,
2270 .hw_scan = mt7925_hw_scan,
2271 .cancel_hw_scan = mt7925_cancel_hw_scan,
2272 .sta_statistics = mt792x_sta_statistics,
2273 .sched_scan_start = mt7925_start_sched_scan,
2274 .sched_scan_stop = mt7925_stop_sched_scan,
2275 CFG80211_TESTMODE_CMD(mt7925_testmode_cmd)
2276 CFG80211_TESTMODE_DUMP(mt7925_testmode_dump)
2277 #ifdef CONFIG_PM
2278 .suspend = mt7925_suspend,
2279 .resume = mt7925_resume,
2280 .set_wakeup = mt792x_set_wakeup,
2281 .set_rekey_data = mt7925_set_rekey_data,
2282 #endif /* CONFIG_PM */
2283 .flush = mt792x_flush,
2284 .set_sar_specs = mt7925_set_sar_specs,
2285 .remain_on_channel = mt7925_remain_on_channel,
2286 .cancel_remain_on_channel = mt7925_cancel_remain_on_channel,
2287 .add_chanctx = mt7925_add_chanctx,
2288 .remove_chanctx = mt7925_remove_chanctx,
2289 .change_chanctx = mt7925_change_chanctx,
2290 .assign_vif_chanctx = mt7925_assign_vif_chanctx,
2291 .unassign_vif_chanctx = mt7925_unassign_vif_chanctx,
2292 .mgd_prepare_tx = mt7925_mgd_prepare_tx,
2293 .mgd_complete_tx = mt7925_mgd_complete_tx,
2294 .vif_cfg_changed = mt7925_vif_cfg_changed,
2295 .link_info_changed = mt7925_link_info_changed,
2296 .change_vif_links = mt7925_change_vif_links,
2297 .change_sta_links = mt7925_change_sta_links,
2298 .rfkill_poll = mt7925_rfkill_poll,
2299 };
2300 EXPORT_SYMBOL_GPL(mt7925_ops);
2301
2302 MODULE_AUTHOR("Deren Wu <deren.wu@mediatek.com>");
2303 MODULE_DESCRIPTION("MediaTek MT7925 core driver");
2304 MODULE_LICENSE("Dual BSD/GPL");
2305