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,u32 changed)760 static int mt7925_config(struct ieee80211_hw *hw, 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 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id);
1195 if (!link_sta)
1196 continue;
1197
1198 mlink = mt792x_sta_to_link(msta, link_id);
1199 if (!mlink)
1200 continue;
1201
1202 link_conf = mt792x_vif_to_bss_conf(vif, link_id);
1203 if (!link_conf)
1204 continue;
1205
1206 mconf = mt792x_link_conf_to_mconf(link_conf);
1207
1208 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, link_conf,
1209 link_sta, false);
1210 }
1211
1212 for_each_set_bit(link_id, &old_links, IEEE80211_MLD_MAX_NUM_LINKS) {
1213 struct ieee80211_link_sta *link_sta;
1214 struct mt792x_link_sta *mlink;
1215
1216 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id);
1217 if (!link_sta)
1218 continue;
1219
1220 mlink = mt792x_sta_to_link(msta, link_id);
1221 if (!mlink)
1222 continue;
1223
1224 mt7925_mac_link_sta_remove(&dev->mt76, vif, link_sta);
1225
1226 wcid = &mlink->wcid;
1227 rcu_assign_pointer(msta->link[link_id], NULL);
1228 msta->valid_links &= ~BIT(link_id);
1229 mlink->sta = NULL;
1230 mlink->pri_link = NULL;
1231
1232 if (link_sta != mlink->pri_link) {
1233 mt76_wcid_cleanup(mdev, wcid);
1234 mt76_wcid_mask_clear(mdev->wcid_mask, wcid->idx);
1235 }
1236
1237 if (msta->deflink_id == link_id)
1238 msta->deflink_id = IEEE80211_LINK_UNSPECIFIED;
1239 }
1240
1241 return 0;
1242 }
1243
mt7925_mac_sta_remove(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)1244 void mt7925_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
1245 struct ieee80211_sta *sta)
1246 {
1247 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
1248 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
1249 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1250 unsigned long rem;
1251
1252 rem = ieee80211_vif_is_mld(vif) ? msta->valid_links : BIT(0);
1253
1254 mt7925_mac_sta_remove_links(dev, vif, sta, rem);
1255
1256 if (ieee80211_vif_is_mld(vif))
1257 mt7925_mcu_del_dev(mdev, vif);
1258
1259 if (vif->type == NL80211_IFTYPE_STATION) {
1260 mvif->wep_sta = NULL;
1261 ewma_rssi_init(&mvif->bss_conf.rssi);
1262 }
1263
1264 mvif->mlo_pm_state = MT792x_MLO_LINK_DISASSOC;
1265 }
1266 EXPORT_SYMBOL_GPL(mt7925_mac_sta_remove);
1267
mt7925_set_rts_threshold(struct ieee80211_hw * hw,u32 val)1268 static int mt7925_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
1269 {
1270 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1271
1272 mt792x_mutex_acquire(dev);
1273 mt7925_mcu_set_rts_thresh(&dev->phy, val);
1274 mt792x_mutex_release(dev);
1275
1276 return 0;
1277 }
1278
1279 static int
mt7925_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)1280 mt7925_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1281 struct ieee80211_ampdu_params *params)
1282 {
1283 enum ieee80211_ampdu_mlme_action action = params->action;
1284 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1285 struct ieee80211_sta *sta = params->sta;
1286 struct ieee80211_txq *txq = sta->txq[params->tid];
1287 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
1288 u16 tid = params->tid;
1289 u16 ssn = params->ssn;
1290 struct mt76_txq *mtxq;
1291 int ret = 0;
1292
1293 if (!txq)
1294 return -EINVAL;
1295
1296 mtxq = (struct mt76_txq *)txq->drv_priv;
1297
1298 mt792x_mutex_acquire(dev);
1299 switch (action) {
1300 case IEEE80211_AMPDU_RX_START:
1301 mt76_rx_aggr_start(&dev->mt76, &msta->deflink.wcid, tid, ssn,
1302 params->buf_size);
1303 mt7925_mcu_uni_rx_ba(dev, params, true);
1304 break;
1305 case IEEE80211_AMPDU_RX_STOP:
1306 mt76_rx_aggr_stop(&dev->mt76, &msta->deflink.wcid, tid);
1307 mt7925_mcu_uni_rx_ba(dev, params, false);
1308 break;
1309 case IEEE80211_AMPDU_TX_OPERATIONAL:
1310 mtxq->aggr = true;
1311 mtxq->send_bar = false;
1312 mt7925_mcu_uni_tx_ba(dev, params, true);
1313 break;
1314 case IEEE80211_AMPDU_TX_STOP_FLUSH:
1315 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1316 mtxq->aggr = false;
1317 clear_bit(tid, &msta->deflink.wcid.ampdu_state);
1318 mt7925_mcu_uni_tx_ba(dev, params, false);
1319 break;
1320 case IEEE80211_AMPDU_TX_START:
1321 set_bit(tid, &msta->deflink.wcid.ampdu_state);
1322 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
1323 break;
1324 case IEEE80211_AMPDU_TX_STOP_CONT:
1325 mtxq->aggr = false;
1326 clear_bit(tid, &msta->deflink.wcid.ampdu_state);
1327 mt7925_mcu_uni_tx_ba(dev, params, false);
1328 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1329 break;
1330 }
1331 mt792x_mutex_release(dev);
1332
1333 return ret;
1334 }
1335
1336 static void
mt7925_mlo_pm_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)1337 mt7925_mlo_pm_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
1338 {
1339 struct mt792x_dev *dev = priv;
1340 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1341 unsigned long valid = ieee80211_vif_is_mld(vif) ?
1342 mvif->valid_links : BIT(0);
1343 struct ieee80211_bss_conf *bss_conf;
1344 int i;
1345
1346 if (mvif->mlo_pm_state != MT792x_MLO_CHANGED_PS)
1347 return;
1348
1349 mt792x_mutex_acquire(dev);
1350 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
1351 bss_conf = mt792x_vif_to_bss_conf(vif, i);
1352 mt7925_mcu_uni_bss_ps(dev, bss_conf);
1353 }
1354 mt792x_mutex_release(dev);
1355 }
1356
mt7925_mlo_pm_work(struct work_struct * work)1357 void mt7925_mlo_pm_work(struct work_struct *work)
1358 {
1359 struct mt792x_dev *dev = container_of(work, struct mt792x_dev,
1360 mlo_pm_work.work);
1361 struct ieee80211_hw *hw = mt76_hw(dev);
1362
1363 ieee80211_iterate_active_interfaces(hw,
1364 IEEE80211_IFACE_ITER_RESUME_ALL,
1365 mt7925_mlo_pm_iter, dev);
1366 }
1367
is_valid_alpha2(const char * alpha2)1368 static bool is_valid_alpha2(const char *alpha2)
1369 {
1370 if (!alpha2)
1371 return false;
1372
1373 if (alpha2[0] == '0' && alpha2[1] == '0')
1374 return true;
1375
1376 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
1377 return true;
1378
1379 return false;
1380 }
1381
mt7925_scan_work(struct work_struct * work)1382 void mt7925_scan_work(struct work_struct *work)
1383 {
1384 struct mt792x_phy *phy;
1385
1386 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy,
1387 scan_work.work);
1388
1389 while (true) {
1390 struct mt76_dev *mdev = &phy->dev->mt76;
1391 struct sk_buff *skb;
1392 struct tlv *tlv;
1393 int tlv_len;
1394
1395 spin_lock_bh(&phy->dev->mt76.lock);
1396 skb = __skb_dequeue(&phy->scan_event_list);
1397 spin_unlock_bh(&phy->dev->mt76.lock);
1398
1399 if (!skb)
1400 break;
1401
1402 skb_pull(skb, sizeof(struct mt7925_mcu_rxd) + 4);
1403 tlv = (struct tlv *)skb->data;
1404 tlv_len = skb->len;
1405
1406 while (tlv_len > 0 && le16_to_cpu(tlv->len) <= tlv_len) {
1407 struct mt7925_mcu_scan_chinfo_event *evt;
1408
1409 switch (le16_to_cpu(tlv->tag)) {
1410 case UNI_EVENT_SCAN_DONE_BASIC:
1411 if (test_and_clear_bit(MT76_HW_SCANNING, &phy->mt76->state)) {
1412 struct cfg80211_scan_info info = {
1413 .aborted = false,
1414 };
1415 ieee80211_scan_completed(phy->mt76->hw, &info);
1416 }
1417 break;
1418 case UNI_EVENT_SCAN_DONE_CHNLINFO:
1419 evt = (struct mt7925_mcu_scan_chinfo_event *)tlv->data;
1420
1421 if (!is_valid_alpha2(evt->alpha2))
1422 break;
1423
1424 mt7925_regd_be_ctrl(phy->dev, evt->alpha2);
1425
1426 if (mdev->alpha2[0] != '0' && mdev->alpha2[1] != '0')
1427 break;
1428
1429 mt7925_mcu_set_clc(phy->dev, evt->alpha2, ENVIRON_INDOOR);
1430
1431 break;
1432 case UNI_EVENT_SCAN_DONE_NLO:
1433 ieee80211_sched_scan_results(phy->mt76->hw);
1434 break;
1435 default:
1436 break;
1437 }
1438
1439 tlv_len -= le16_to_cpu(tlv->len);
1440 tlv = (struct tlv *)((char *)(tlv) + le16_to_cpu(tlv->len));
1441 }
1442
1443 dev_kfree_skb(skb);
1444 }
1445 }
1446
1447 static int
mt7925_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_scan_request * req)1448 mt7925_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1449 struct ieee80211_scan_request *req)
1450 {
1451 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1452 struct mt76_phy *mphy = hw->priv;
1453 int err;
1454
1455 mt792x_mutex_acquire(dev);
1456 err = mt7925_mcu_hw_scan(mphy, vif, req);
1457 mt792x_mutex_release(dev);
1458
1459 return err;
1460 }
1461
1462 static void
mt7925_cancel_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1463 mt7925_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1464 {
1465 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1466 struct mt76_phy *mphy = hw->priv;
1467
1468 mt792x_mutex_acquire(dev);
1469 mt7925_mcu_cancel_hw_scan(mphy, vif);
1470 mt792x_mutex_release(dev);
1471 }
1472
1473 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)1474 mt7925_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1475 struct cfg80211_sched_scan_request *req,
1476 struct ieee80211_scan_ies *ies)
1477 {
1478 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1479 struct mt76_phy *mphy = hw->priv;
1480 int err;
1481
1482 mt792x_mutex_acquire(dev);
1483
1484 err = mt7925_mcu_sched_scan_req(mphy, vif, req, ies);
1485 if (err < 0)
1486 goto out;
1487
1488 err = mt7925_mcu_sched_scan_enable(mphy, vif, true);
1489 out:
1490 mt792x_mutex_release(dev);
1491
1492 return err;
1493 }
1494
1495 static int
mt7925_stop_sched_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1496 mt7925_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1497 {
1498 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1499 struct mt76_phy *mphy = hw->priv;
1500 int err;
1501
1502 mt792x_mutex_acquire(dev);
1503 err = mt7925_mcu_sched_scan_enable(mphy, vif, false);
1504 mt792x_mutex_release(dev);
1505
1506 return err;
1507 }
1508
1509 static int
mt7925_set_antenna(struct ieee80211_hw * hw,u32 tx_ant,u32 rx_ant)1510 mt7925_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
1511 {
1512 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1513 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1514 int max_nss = hweight8(hw->wiphy->available_antennas_tx);
1515
1516 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
1517 return -EINVAL;
1518
1519 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
1520 tx_ant = BIT(ffs(tx_ant) - 1) - 1;
1521
1522 mt792x_mutex_acquire(dev);
1523
1524 phy->mt76->antenna_mask = tx_ant;
1525 phy->mt76->chainmask = tx_ant;
1526
1527 mt76_set_stream_caps(phy->mt76, true);
1528 mt7925_set_stream_he_eht_caps(phy);
1529
1530 /* TODO: update bmc_wtbl spe_idx when antenna changes */
1531 mt792x_mutex_release(dev);
1532
1533 return 0;
1534 }
1535
1536 #ifdef CONFIG_PM
mt7925_suspend(struct ieee80211_hw * hw,struct cfg80211_wowlan * wowlan)1537 static int mt7925_suspend(struct ieee80211_hw *hw,
1538 struct cfg80211_wowlan *wowlan)
1539 {
1540 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1541 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1542
1543 cancel_delayed_work_sync(&phy->scan_work);
1544 cancel_delayed_work_sync(&phy->mt76->mac_work);
1545
1546 cancel_delayed_work_sync(&dev->pm.ps_work);
1547 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
1548
1549 mt792x_mutex_acquire(dev);
1550
1551 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1552 ieee80211_iterate_active_interfaces(hw,
1553 IEEE80211_IFACE_ITER_RESUME_ALL,
1554 mt7925_mcu_set_suspend_iter,
1555 &dev->mphy);
1556
1557 mt792x_mutex_release(dev);
1558
1559 return 0;
1560 }
1561
mt7925_resume(struct ieee80211_hw * hw)1562 static int mt7925_resume(struct ieee80211_hw *hw)
1563 {
1564 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1565 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1566
1567 mt792x_mutex_acquire(dev);
1568
1569 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1570 ieee80211_iterate_active_interfaces(hw,
1571 IEEE80211_IFACE_ITER_RESUME_ALL,
1572 mt7925_mcu_set_suspend_iter,
1573 &dev->mphy);
1574
1575 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
1576 MT792x_WATCHDOG_TIME);
1577
1578 mt792x_mutex_release(dev);
1579
1580 return 0;
1581 }
1582
mt7925_set_rekey_data(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_gtk_rekey_data * data)1583 static void mt7925_set_rekey_data(struct ieee80211_hw *hw,
1584 struct ieee80211_vif *vif,
1585 struct cfg80211_gtk_rekey_data *data)
1586 {
1587 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1588
1589 mt792x_mutex_acquire(dev);
1590 mt76_connac_mcu_update_gtk_rekey(hw, vif, data);
1591 mt792x_mutex_release(dev);
1592 }
1593 #endif /* CONFIG_PM */
1594
mt7925_sta_set_decap_offload(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enabled)1595 static void mt7925_sta_set_decap_offload(struct ieee80211_hw *hw,
1596 struct ieee80211_vif *vif,
1597 struct ieee80211_sta *sta,
1598 bool enabled)
1599 {
1600 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
1601 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1602 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1603 unsigned long valid = mvif->valid_links;
1604 u8 i;
1605
1606 if (!msta->vif)
1607 return;
1608
1609 mt792x_mutex_acquire(dev);
1610
1611 valid = ieee80211_vif_is_mld(vif) ? mvif->valid_links : BIT(0);
1612
1613 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
1614 struct mt792x_link_sta *mlink;
1615
1616 mlink = mt792x_sta_to_link(msta, i);
1617
1618 if (enabled)
1619 set_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags);
1620 else
1621 clear_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags);
1622
1623 if (!mlink->wcid.sta)
1624 continue;
1625
1626 mt7925_mcu_wtbl_update_hdr_trans(dev, vif, sta, i);
1627 }
1628
1629 mt792x_mutex_release(dev);
1630 }
1631
1632 #if IS_ENABLED(CONFIG_IPV6)
__mt7925_ipv6_addr_change(struct ieee80211_hw * hw,struct ieee80211_bss_conf * link_conf,struct inet6_dev * idev)1633 static void __mt7925_ipv6_addr_change(struct ieee80211_hw *hw,
1634 struct ieee80211_bss_conf *link_conf,
1635 struct inet6_dev *idev)
1636 {
1637 struct mt792x_bss_conf *mconf = mt792x_link_conf_to_mconf(link_conf);
1638 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1639 struct inet6_ifaddr *ifa;
1640 struct sk_buff *skb;
1641 u8 idx = 0;
1642
1643 struct {
1644 struct {
1645 u8 bss_idx;
1646 u8 pad[3];
1647 } __packed hdr;
1648 struct mt7925_arpns_tlv arpns;
1649 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN];
1650 } req_hdr = {
1651 .hdr = {
1652 .bss_idx = mconf->mt76.idx,
1653 },
1654 .arpns = {
1655 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND),
1656 .len = cpu_to_le16(sizeof(req_hdr) - 4),
1657 .enable = true,
1658 },
1659 };
1660
1661 read_lock_bh(&idev->lock);
1662 list_for_each_entry(ifa, &idev->addr_list, if_list) {
1663 if (ifa->flags & IFA_F_TENTATIVE)
1664 continue;
1665 req_hdr.ns_addrs[idx] = ifa->addr;
1666 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN)
1667 break;
1668 }
1669 read_unlock_bh(&idev->lock);
1670
1671 if (!idx)
1672 return;
1673
1674 req_hdr.arpns.ips_num = idx;
1675
1676 skb = __mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req_hdr),
1677 0, GFP_ATOMIC);
1678 if (!skb)
1679 return;
1680
1681 skb_put_data(skb, &req_hdr, sizeof(req_hdr));
1682
1683 skb_queue_tail(&dev->ipv6_ns_list, skb);
1684
1685 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work);
1686 }
1687
mt7925_ipv6_addr_change(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct inet6_dev * idev)1688 static void mt7925_ipv6_addr_change(struct ieee80211_hw *hw,
1689 struct ieee80211_vif *vif,
1690 struct inet6_dev *idev)
1691 {
1692 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1693 unsigned long valid = ieee80211_vif_is_mld(vif) ?
1694 mvif->valid_links : BIT(0);
1695 struct ieee80211_bss_conf *bss_conf;
1696 int i;
1697
1698 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
1699 bss_conf = mt792x_vif_to_bss_conf(vif, i);
1700 __mt7925_ipv6_addr_change(hw, bss_conf, idev);
1701 }
1702 }
1703
1704 #endif
1705
mt7925_set_tx_sar_pwr(struct ieee80211_hw * hw,const struct cfg80211_sar_specs * sar)1706 int mt7925_set_tx_sar_pwr(struct ieee80211_hw *hw,
1707 const struct cfg80211_sar_specs *sar)
1708 {
1709 struct mt76_phy *mphy = hw->priv;
1710
1711 if (sar) {
1712 int err = mt76_init_sar_power(hw, sar);
1713
1714 if (err)
1715 return err;
1716 }
1717 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar);
1718
1719 return mt7925_mcu_set_rate_txpower(mphy);
1720 }
1721
mt7925_set_sar_specs(struct ieee80211_hw * hw,const struct cfg80211_sar_specs * sar)1722 static int mt7925_set_sar_specs(struct ieee80211_hw *hw,
1723 const struct cfg80211_sar_specs *sar)
1724 {
1725 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1726 int err;
1727
1728 mt792x_mutex_acquire(dev);
1729 err = mt7925_mcu_set_clc(dev, dev->mt76.alpha2,
1730 dev->country_ie_env);
1731 if (err < 0)
1732 goto out;
1733
1734 err = mt7925_set_tx_sar_pwr(hw, sar);
1735 out:
1736 mt792x_mutex_release(dev);
1737
1738 return err;
1739 }
1740
1741 static void
mt7925_channel_switch_beacon(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_chan_def * chandef)1742 mt7925_channel_switch_beacon(struct ieee80211_hw *hw,
1743 struct ieee80211_vif *vif,
1744 struct cfg80211_chan_def *chandef)
1745 {
1746 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1747
1748 mt792x_mutex_acquire(dev);
1749 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, true);
1750 mt792x_mutex_release(dev);
1751 }
1752
1753 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)1754 mt7925_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1755 unsigned int link_id, u16 queue,
1756 const struct ieee80211_tx_queue_params *params)
1757 {
1758 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1759 struct mt792x_bss_conf *mconf = mt792x_vif_to_link(mvif, link_id);
1760 static const u8 mq_to_aci[] = {
1761 [IEEE80211_AC_VO] = 3,
1762 [IEEE80211_AC_VI] = 2,
1763 [IEEE80211_AC_BE] = 0,
1764 [IEEE80211_AC_BK] = 1,
1765 };
1766
1767 /* firmware uses access class index */
1768 mconf->queue_params[mq_to_aci[queue]] = *params;
1769
1770 return 0;
1771 }
1772
1773 static int
mt7925_start_ap(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf)1774 mt7925_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1775 struct ieee80211_bss_conf *link_conf)
1776 {
1777 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1778 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1779 int err;
1780
1781 mt792x_mutex_acquire(dev);
1782
1783 err = mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx,
1784 link_conf, NULL, true);
1785 if (err)
1786 goto out;
1787
1788 err = mt7925_mcu_set_bss_pm(dev, link_conf, true);
1789 if (err)
1790 goto out;
1791
1792 err = mt7925_mcu_sta_update(dev, NULL, vif, true,
1793 MT76_STA_INFO_STATE_NONE);
1794 out:
1795 mt792x_mutex_release(dev);
1796
1797 return err;
1798 }
1799
1800 static void
mt7925_stop_ap(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf)1801 mt7925_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1802 struct ieee80211_bss_conf *link_conf)
1803 {
1804 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1805 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1806 int err;
1807
1808 mt792x_mutex_acquire(dev);
1809
1810 err = mt7925_mcu_set_bss_pm(dev, link_conf, false);
1811 if (err)
1812 goto out;
1813
1814 mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx, link_conf,
1815 NULL, false);
1816
1817 out:
1818 mt792x_mutex_release(dev);
1819 }
1820
1821 static int
mt7925_add_chanctx(struct ieee80211_hw * hw,struct ieee80211_chanctx_conf * ctx)1822 mt7925_add_chanctx(struct ieee80211_hw *hw,
1823 struct ieee80211_chanctx_conf *ctx)
1824 {
1825 return 0;
1826 }
1827
1828 static void
mt7925_remove_chanctx(struct ieee80211_hw * hw,struct ieee80211_chanctx_conf * ctx)1829 mt7925_remove_chanctx(struct ieee80211_hw *hw,
1830 struct ieee80211_chanctx_conf *ctx)
1831 {
1832 }
1833
1834 static void
mt7925_change_chanctx(struct ieee80211_hw * hw,struct ieee80211_chanctx_conf * ctx,u32 changed)1835 mt7925_change_chanctx(struct ieee80211_hw *hw,
1836 struct ieee80211_chanctx_conf *ctx,
1837 u32 changed)
1838 {
1839 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;
1840 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1841 struct mt792x_bss_conf *mconf;
1842 struct ieee80211_vif *vif;
1843 struct mt792x_vif *mvif;
1844
1845 if (!mctx->bss_conf)
1846 return;
1847
1848 mconf = mctx->bss_conf;
1849 mvif = mconf->vif;
1850 vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv);
1851
1852 mt792x_mutex_acquire(phy->dev);
1853 if (vif->type == NL80211_IFTYPE_MONITOR) {
1854 mt7925_mcu_set_sniffer(mvif->phy->dev, vif, true);
1855 mt7925_mcu_config_sniffer(mvif, ctx);
1856 } else {
1857 if (ieee80211_vif_is_mld(vif)) {
1858 unsigned long valid = mvif->valid_links;
1859 u8 i;
1860
1861 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
1862 mconf = mt792x_vif_to_link(mvif, i);
1863 if (mconf && mconf->mt76.ctx == ctx)
1864 break;
1865 }
1866
1867 } else {
1868 mconf = &mvif->bss_conf;
1869 }
1870
1871 if (mconf) {
1872 struct ieee80211_bss_conf *link_conf;
1873
1874 link_conf = mt792x_vif_to_bss_conf(vif, mconf->link_id);
1875 mt7925_mcu_set_chctx(mvif->phy->mt76, &mconf->mt76,
1876 link_conf, ctx);
1877
1878 if (changed & IEEE80211_CHANCTX_CHANGE_PUNCTURING)
1879 mt7925_mcu_set_eht_pp(mvif->phy->mt76, &mconf->mt76,
1880 link_conf, ctx);
1881 }
1882 }
1883
1884 mt792x_mutex_release(phy->dev);
1885 }
1886
mt7925_mgd_prepare_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_prep_tx_info * info)1887 static void mt7925_mgd_prepare_tx(struct ieee80211_hw *hw,
1888 struct ieee80211_vif *vif,
1889 struct ieee80211_prep_tx_info *info)
1890 {
1891 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1892 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1893 u16 duration = info->duration ? info->duration :
1894 jiffies_to_msecs(HZ);
1895
1896 mt792x_mutex_acquire(dev);
1897 mt7925_set_roc(mvif->phy, &mvif->bss_conf,
1898 mvif->bss_conf.mt76.ctx->def.chan, duration,
1899 MT7925_ROC_REQ_JOIN);
1900 mt792x_mutex_release(dev);
1901 }
1902
mt7925_mgd_complete_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_prep_tx_info * info)1903 static void mt7925_mgd_complete_tx(struct ieee80211_hw *hw,
1904 struct ieee80211_vif *vif,
1905 struct ieee80211_prep_tx_info *info)
1906 {
1907 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1908
1909 mt7925_abort_roc(mvif->phy, &mvif->bss_conf);
1910 }
1911
mt7925_vif_cfg_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u64 changed)1912 static void mt7925_vif_cfg_changed(struct ieee80211_hw *hw,
1913 struct ieee80211_vif *vif,
1914 u64 changed)
1915 {
1916 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1917 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1918 unsigned long valid = ieee80211_vif_is_mld(vif) ?
1919 mvif->valid_links : BIT(0);
1920 struct ieee80211_bss_conf *bss_conf;
1921 int i;
1922
1923 mt792x_mutex_acquire(dev);
1924
1925 if (changed & BSS_CHANGED_ASSOC) {
1926 mt7925_mcu_sta_update(dev, NULL, vif, true,
1927 MT76_STA_INFO_STATE_ASSOC);
1928 mt7925_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc);
1929
1930 if (ieee80211_vif_is_mld(vif))
1931 mvif->mlo_pm_state = MT792x_MLO_LINK_ASSOC;
1932 }
1933
1934 if (changed & BSS_CHANGED_ARP_FILTER) {
1935 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
1936 bss_conf = mt792x_vif_to_bss_conf(vif, i);
1937 mt7925_mcu_update_arp_filter(&dev->mt76, bss_conf);
1938 }
1939 }
1940
1941 if (changed & BSS_CHANGED_PS) {
1942 if (hweight16(mvif->valid_links) < 2) {
1943 /* legacy */
1944 bss_conf = &vif->bss_conf;
1945 mt7925_mcu_uni_bss_ps(dev, bss_conf);
1946 } else {
1947 if (mvif->mlo_pm_state == MT792x_MLO_LINK_ASSOC) {
1948 mvif->mlo_pm_state = MT792x_MLO_CHANGED_PS_PENDING;
1949 } else if (mvif->mlo_pm_state == MT792x_MLO_CHANGED_PS) {
1950 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
1951 bss_conf = mt792x_vif_to_bss_conf(vif, i);
1952 mt7925_mcu_uni_bss_ps(dev, bss_conf);
1953 }
1954 }
1955 }
1956 }
1957
1958 mt792x_mutex_release(dev);
1959 }
1960
mt7925_link_info_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info,u64 changed)1961 static void mt7925_link_info_changed(struct ieee80211_hw *hw,
1962 struct ieee80211_vif *vif,
1963 struct ieee80211_bss_conf *info,
1964 u64 changed)
1965 {
1966 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1967 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1968 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1969 struct mt792x_bss_conf *mconf;
1970 struct ieee80211_bss_conf *link_conf;
1971
1972 mconf = mt792x_vif_to_link(mvif, info->link_id);
1973 link_conf = mt792x_vif_to_bss_conf(vif, mconf->link_id);
1974
1975 mt792x_mutex_acquire(dev);
1976
1977 if (changed & BSS_CHANGED_ERP_SLOT) {
1978 int slottime = info->use_short_slot ? 9 : 20;
1979
1980 if (slottime != phy->slottime) {
1981 phy->slottime = slottime;
1982 mt7925_mcu_set_timing(phy, info);
1983 }
1984 }
1985
1986 if (changed & BSS_CHANGED_MCAST_RATE)
1987 mconf->mt76.mcast_rates_idx =
1988 mt7925_get_rates_table(hw, vif, false, true);
1989
1990 if (changed & BSS_CHANGED_BASIC_RATES)
1991 mconf->mt76.basic_rates_idx =
1992 mt7925_get_rates_table(hw, vif, false, false);
1993
1994 if (changed & (BSS_CHANGED_BEACON |
1995 BSS_CHANGED_BEACON_ENABLED)) {
1996 mconf->mt76.beacon_rates_idx =
1997 mt7925_get_rates_table(hw, vif, true, false);
1998
1999 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif,
2000 info->enable_beacon);
2001 }
2002
2003 /* ensure that enable txcmd_mode after bss_info */
2004 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
2005 mt7925_mcu_set_tx(dev, info);
2006
2007 if (mvif->mlo_pm_state == MT792x_MLO_CHANGED_PS_PENDING) {
2008 /* Indicate the secondary setup done */
2009 mt7925_mcu_uni_bss_bcnft(dev, info, true);
2010
2011 ieee80211_queue_delayed_work(hw, &dev->mlo_pm_work, 5 * HZ);
2012 mvif->mlo_pm_state = MT792x_MLO_CHANGED_PS;
2013 }
2014
2015 if (changed & IEEE80211_CHANCTX_CHANGE_PUNCTURING)
2016 mt7925_mcu_set_eht_pp(mvif->phy->mt76, &mconf->mt76,
2017 link_conf, NULL);
2018
2019 mt792x_mutex_release(dev);
2020 }
2021
2022 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])2023 mt7925_change_vif_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
2024 u16 old_links, u16 new_links,
2025 struct ieee80211_bss_conf *old[IEEE80211_MLD_MAX_NUM_LINKS])
2026 {
2027 struct mt792x_bss_conf *mconfs[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mconf;
2028 struct mt792x_link_sta *mlinks[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mlink;
2029 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
2030 unsigned long add = new_links & ~old_links;
2031 unsigned long rem = old_links & ~new_links;
2032 struct mt792x_dev *dev = mt792x_hw_dev(hw);
2033 struct mt792x_phy *phy = mt792x_hw_phy(hw);
2034 struct ieee80211_bss_conf *link_conf;
2035 unsigned int link_id;
2036 int err;
2037
2038 if (old_links == new_links)
2039 return 0;
2040
2041 mt792x_mutex_acquire(dev);
2042
2043 for_each_set_bit(link_id, &rem, IEEE80211_MLD_MAX_NUM_LINKS) {
2044 mconf = mt792x_vif_to_link(mvif, link_id);
2045 mlink = mt792x_sta_to_link(&mvif->sta, link_id);
2046
2047 if (!mconf || !mlink)
2048 continue;
2049
2050 if (mconf != &mvif->bss_conf) {
2051 mt792x_mac_link_bss_remove(dev, mconf, mlink);
2052 devm_kfree(dev->mt76.dev, mconf);
2053 devm_kfree(dev->mt76.dev, mlink);
2054 }
2055
2056 rcu_assign_pointer(mvif->link_conf[link_id], NULL);
2057 rcu_assign_pointer(mvif->sta.link[link_id], NULL);
2058 }
2059
2060 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {
2061 if (!old_links) {
2062 mvif->deflink_id = link_id;
2063 mconf = &mvif->bss_conf;
2064 mlink = &mvif->sta.deflink;
2065 } else {
2066 mconf = devm_kzalloc(dev->mt76.dev, sizeof(*mconf),
2067 GFP_KERNEL);
2068 mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink),
2069 GFP_KERNEL);
2070 if (!mconf || !mlink)
2071 return -ENOMEM;
2072 }
2073
2074 mconfs[link_id] = mconf;
2075 mlinks[link_id] = mlink;
2076 mconf->link_id = link_id;
2077 mconf->vif = mvif;
2078 mlink->wcid.link_id = link_id;
2079 mlink->wcid.link_valid = !!vif->valid_links;
2080 mlink->wcid.def_wcid = &mvif->sta.deflink.wcid;
2081 }
2082
2083 if (hweight16(mvif->valid_links) == 0)
2084 mt792x_mac_link_bss_remove(dev, &mvif->bss_conf,
2085 &mvif->sta.deflink);
2086
2087 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {
2088 mconf = mconfs[link_id];
2089 mlink = mlinks[link_id];
2090 link_conf = mt792x_vif_to_bss_conf(vif, link_id);
2091
2092 rcu_assign_pointer(mvif->link_conf[link_id], mconf);
2093 rcu_assign_pointer(mvif->sta.link[link_id], mlink);
2094
2095 err = mt7925_mac_link_bss_add(dev, link_conf, mlink);
2096 if (err < 0)
2097 goto free;
2098
2099 if (mconf != &mvif->bss_conf) {
2100 err = mt7925_set_mlo_roc(phy, &mvif->bss_conf,
2101 vif->active_links);
2102 if (err < 0)
2103 goto free;
2104 }
2105 }
2106
2107 mvif->valid_links = new_links;
2108
2109 mt792x_mutex_release(dev);
2110
2111 return 0;
2112
2113 free:
2114 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {
2115 rcu_assign_pointer(mvif->link_conf[link_id], NULL);
2116 rcu_assign_pointer(mvif->sta.link[link_id], NULL);
2117
2118 if (mconf != &mvif->bss_conf)
2119 devm_kfree(dev->mt76.dev, mconfs[link_id]);
2120 if (mlink != &mvif->sta.deflink)
2121 devm_kfree(dev->mt76.dev, mlinks[link_id]);
2122 }
2123
2124 mt792x_mutex_release(dev);
2125
2126 return err;
2127 }
2128
2129 static int
mt7925_change_sta_links(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,u16 old_links,u16 new_links)2130 mt7925_change_sta_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
2131 struct ieee80211_sta *sta, u16 old_links, u16 new_links)
2132 {
2133 unsigned long add = new_links & ~old_links;
2134 unsigned long rem = old_links & ~new_links;
2135 struct mt792x_dev *dev = mt792x_hw_dev(hw);
2136 int err = 0;
2137
2138 if (old_links == new_links)
2139 return 0;
2140
2141 mt792x_mutex_acquire(dev);
2142
2143 err = mt7925_mac_sta_remove_links(dev, vif, sta, rem);
2144 if (err < 0)
2145 goto out;
2146
2147 err = mt7925_mac_sta_add_links(dev, vif, sta, add);
2148 if (err < 0)
2149 goto out;
2150
2151 out:
2152 mt792x_mutex_release(dev);
2153
2154 return err;
2155 }
2156
mt7925_assign_vif_chanctx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf,struct ieee80211_chanctx_conf * ctx)2157 static int mt7925_assign_vif_chanctx(struct ieee80211_hw *hw,
2158 struct ieee80211_vif *vif,
2159 struct ieee80211_bss_conf *link_conf,
2160 struct ieee80211_chanctx_conf *ctx)
2161 {
2162 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;
2163 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
2164 struct mt792x_dev *dev = mt792x_hw_dev(hw);
2165 struct ieee80211_bss_conf *pri_link_conf;
2166 struct mt792x_bss_conf *mconf;
2167
2168 mutex_lock(&dev->mt76.mutex);
2169
2170 if (ieee80211_vif_is_mld(vif)) {
2171 mconf = mt792x_vif_to_link(mvif, link_conf->link_id);
2172 pri_link_conf = mt792x_vif_to_bss_conf(vif, mvif->deflink_id);
2173
2174 if (vif->type == NL80211_IFTYPE_STATION &&
2175 mconf == &mvif->bss_conf)
2176 mt7925_mcu_add_bss_info(&dev->phy, NULL, pri_link_conf,
2177 NULL, true);
2178 } else {
2179 mconf = &mvif->bss_conf;
2180 }
2181
2182 mconf->mt76.ctx = ctx;
2183 mctx->bss_conf = mconf;
2184 mutex_unlock(&dev->mt76.mutex);
2185
2186 return 0;
2187 }
2188
mt7925_unassign_vif_chanctx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf,struct ieee80211_chanctx_conf * ctx)2189 static void mt7925_unassign_vif_chanctx(struct ieee80211_hw *hw,
2190 struct ieee80211_vif *vif,
2191 struct ieee80211_bss_conf *link_conf,
2192 struct ieee80211_chanctx_conf *ctx)
2193 {
2194 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;
2195 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
2196 struct mt792x_dev *dev = mt792x_hw_dev(hw);
2197 struct mt792x_bss_conf *mconf;
2198
2199 mutex_lock(&dev->mt76.mutex);
2200
2201 if (ieee80211_vif_is_mld(vif)) {
2202 mconf = mt792x_vif_to_link(mvif, link_conf->link_id);
2203
2204 if (vif->type == NL80211_IFTYPE_STATION &&
2205 mconf == &mvif->bss_conf)
2206 mt7925_mcu_add_bss_info(&dev->phy, NULL, link_conf,
2207 NULL, false);
2208 } else {
2209 mconf = &mvif->bss_conf;
2210 }
2211
2212 mctx->bss_conf = NULL;
2213 mconf->mt76.ctx = NULL;
2214 mutex_unlock(&dev->mt76.mutex);
2215 }
2216
mt7925_rfkill_poll(struct ieee80211_hw * hw)2217 static void mt7925_rfkill_poll(struct ieee80211_hw *hw)
2218 {
2219 struct mt792x_phy *phy = mt792x_hw_phy(hw);
2220 int ret;
2221
2222 mt792x_mutex_acquire(phy->dev);
2223 ret = mt7925_mcu_wf_rf_pin_ctrl(phy);
2224 mt792x_mutex_release(phy->dev);
2225
2226 wiphy_rfkill_set_hw_state(hw->wiphy, ret == 0);
2227 }
2228
2229 const struct ieee80211_ops mt7925_ops = {
2230 .tx = mt792x_tx,
2231 .start = mt7925_start,
2232 .stop = mt792x_stop,
2233 .add_interface = mt7925_add_interface,
2234 .remove_interface = mt792x_remove_interface,
2235 .config = mt7925_config,
2236 .conf_tx = mt7925_conf_tx,
2237 .configure_filter = mt7925_configure_filter,
2238 .start_ap = mt7925_start_ap,
2239 .stop_ap = mt7925_stop_ap,
2240 .sta_state = mt76_sta_state,
2241 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
2242 .set_key = mt7925_set_key,
2243 .sta_set_decap_offload = mt7925_sta_set_decap_offload,
2244 #if IS_ENABLED(CONFIG_IPV6)
2245 .ipv6_addr_change = mt7925_ipv6_addr_change,
2246 #endif /* CONFIG_IPV6 */
2247 .ampdu_action = mt7925_ampdu_action,
2248 .set_rts_threshold = mt7925_set_rts_threshold,
2249 .wake_tx_queue = mt76_wake_tx_queue,
2250 .release_buffered_frames = mt76_release_buffered_frames,
2251 .channel_switch_beacon = mt7925_channel_switch_beacon,
2252 .get_txpower = mt76_get_txpower,
2253 .get_stats = mt792x_get_stats,
2254 .get_et_sset_count = mt792x_get_et_sset_count,
2255 .get_et_strings = mt792x_get_et_strings,
2256 .get_et_stats = mt792x_get_et_stats,
2257 .get_tsf = mt792x_get_tsf,
2258 .set_tsf = mt792x_set_tsf,
2259 .get_survey = mt76_get_survey,
2260 .get_antenna = mt76_get_antenna,
2261 .set_antenna = mt7925_set_antenna,
2262 .set_coverage_class = mt792x_set_coverage_class,
2263 .hw_scan = mt7925_hw_scan,
2264 .cancel_hw_scan = mt7925_cancel_hw_scan,
2265 .sta_statistics = mt792x_sta_statistics,
2266 .sched_scan_start = mt7925_start_sched_scan,
2267 .sched_scan_stop = mt7925_stop_sched_scan,
2268 CFG80211_TESTMODE_CMD(mt7925_testmode_cmd)
2269 CFG80211_TESTMODE_DUMP(mt7925_testmode_dump)
2270 #ifdef CONFIG_PM
2271 .suspend = mt7925_suspend,
2272 .resume = mt7925_resume,
2273 .set_wakeup = mt792x_set_wakeup,
2274 .set_rekey_data = mt7925_set_rekey_data,
2275 #endif /* CONFIG_PM */
2276 .flush = mt792x_flush,
2277 .set_sar_specs = mt7925_set_sar_specs,
2278 .remain_on_channel = mt7925_remain_on_channel,
2279 .cancel_remain_on_channel = mt7925_cancel_remain_on_channel,
2280 .add_chanctx = mt7925_add_chanctx,
2281 .remove_chanctx = mt7925_remove_chanctx,
2282 .change_chanctx = mt7925_change_chanctx,
2283 .assign_vif_chanctx = mt7925_assign_vif_chanctx,
2284 .unassign_vif_chanctx = mt7925_unassign_vif_chanctx,
2285 .mgd_prepare_tx = mt7925_mgd_prepare_tx,
2286 .mgd_complete_tx = mt7925_mgd_complete_tx,
2287 .vif_cfg_changed = mt7925_vif_cfg_changed,
2288 .link_info_changed = mt7925_link_info_changed,
2289 .change_vif_links = mt7925_change_vif_links,
2290 .change_sta_links = mt7925_change_sta_links,
2291 .rfkill_poll = mt7925_rfkill_poll,
2292 };
2293 EXPORT_SYMBOL_GPL(mt7925_ops);
2294
2295 MODULE_AUTHOR("Deren Wu <deren.wu@mediatek.com>");
2296 MODULE_DESCRIPTION("MediaTek MT7925 core driver");
2297 MODULE_LICENSE("Dual BSD/GPL");
2298