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);
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_EVT_EN))
255 return 0;
256
257 ext_capab[0].eml_capabilities = phy->eml_cap;
258 ext_capab[0].mld_capa_and_ops =
259 u16_encode_bits(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 int err;
314
315 err = mt7925_mcu_set_channel_domain(mphy);
316 if (err)
317 return err;
318
319 err = mt7925_mcu_set_rts_thresh(phy, 0x92b);
320 if (err)
321 return err;
322
323 err = mt7925_set_tx_sar_pwr(mphy->hw, NULL);
324 if (err)
325 return err;
326
327 mt792x_mac_reset_counters(phy);
328 set_bit(MT76_STATE_RUNNING, &mphy->state);
329
330 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work,
331 MT792x_WATCHDOG_TIME);
332
333 return 0;
334 }
335 EXPORT_SYMBOL_GPL(__mt7925_start);
336
mt7925_start(struct ieee80211_hw * hw)337 static int mt7925_start(struct ieee80211_hw *hw)
338 {
339 struct mt792x_phy *phy = mt792x_hw_phy(hw);
340 int err;
341
342 mt792x_mutex_acquire(phy->dev);
343 err = __mt7925_start(phy);
344 mt792x_mutex_release(phy->dev);
345
346 return err;
347 }
348
mt7925_mac_link_bss_add(struct mt792x_dev * dev,struct ieee80211_bss_conf * link_conf,struct mt792x_link_sta * mlink)349 static int mt7925_mac_link_bss_add(struct mt792x_dev *dev,
350 struct ieee80211_bss_conf *link_conf,
351 struct mt792x_link_sta *mlink)
352 {
353 struct mt792x_bss_conf *mconf = mt792x_link_conf_to_mconf(link_conf);
354 struct ieee80211_vif *vif = link_conf->vif;
355 struct mt792x_vif *mvif = mconf->vif;
356 struct mt76_txq *mtxq;
357 int idx, ret = 0;
358
359 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
360 mconf->mt76.idx = MT792x_MAX_INTERFACES;
361 } else {
362 mconf->mt76.idx = __ffs64(~dev->mt76.vif_mask);
363
364 if (mconf->mt76.idx >= MT792x_MAX_INTERFACES) {
365 ret = -ENOSPC;
366 goto out;
367 }
368 }
369
370 mconf->mt76.omac_idx = ieee80211_vif_is_mld(vif) ?
371 0 : mconf->mt76.idx;
372 mconf->mt76.band_idx = 0xff;
373 mconf->mt76.wmm_idx = ieee80211_vif_is_mld(vif) ?
374 0 : mconf->mt76.idx % MT76_CONNAC_MAX_WMM_SETS;
375 mconf->mt76.link_idx = hweight16(mvif->valid_links);
376
377 if (mvif->phy->mt76->chandef.chan->band != NL80211_BAND_2GHZ)
378 mconf->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL + 4;
379 else
380 mconf->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL;
381
382 dev->mt76.vif_mask |= BIT_ULL(mconf->mt76.idx);
383 mvif->phy->omac_mask |= BIT_ULL(mconf->mt76.omac_idx);
384
385 idx = MT792x_WTBL_RESERVED - mconf->mt76.idx;
386
387 INIT_LIST_HEAD(&mlink->wcid.poll_list);
388 mlink->wcid.idx = idx;
389 mlink->wcid.phy_idx = 0;
390 mlink->wcid.hw_key_idx = -1;
391 mlink->wcid.tx_info |= MT_WCID_TX_INFO_SET;
392 mt76_wcid_init(&mlink->wcid);
393
394 mt7925_mac_wtbl_update(dev, idx,
395 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
396
397 ewma_rssi_init(&mconf->rssi);
398
399 rcu_assign_pointer(dev->mt76.wcid[idx], &mlink->wcid);
400
401 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, link_conf, &mconf->mt76,
402 &mlink->wcid, true);
403 if (ret)
404 goto out;
405
406 if (vif->txq) {
407 mtxq = (struct mt76_txq *)vif->txq->drv_priv;
408 mtxq->wcid = idx;
409 }
410
411 out:
412 return ret;
413 }
414
415 static int
mt7925_add_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)416 mt7925_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
417 {
418 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
419 struct mt792x_dev *dev = mt792x_hw_dev(hw);
420 struct mt792x_phy *phy = mt792x_hw_phy(hw);
421 int ret = 0;
422
423 mt792x_mutex_acquire(dev);
424
425 mvif->phy = phy;
426 mvif->bss_conf.vif = mvif;
427 mvif->sta.vif = mvif;
428 mvif->deflink_id = IEEE80211_LINK_UNSPECIFIED;
429
430 ret = mt7925_mac_link_bss_add(dev, &vif->bss_conf, &mvif->sta.deflink);
431 if (ret < 0)
432 goto out;
433
434 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
435 out:
436 mt792x_mutex_release(dev);
437
438 return ret;
439 }
440
mt7925_roc_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)441 static void mt7925_roc_iter(void *priv, u8 *mac,
442 struct ieee80211_vif *vif)
443 {
444 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
445 struct mt792x_phy *phy = priv;
446
447 mt7925_mcu_abort_roc(phy, &mvif->bss_conf, phy->roc_token_id);
448 }
449
mt7925_roc_abort_sync(struct mt792x_dev * dev)450 void mt7925_roc_abort_sync(struct mt792x_dev *dev)
451 {
452 struct mt792x_phy *phy = &dev->phy;
453
454 del_timer_sync(&phy->roc_timer);
455 cancel_work_sync(&phy->roc_work);
456 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
457 ieee80211_iterate_interfaces(mt76_hw(dev),
458 IEEE80211_IFACE_ITER_RESUME_ALL,
459 mt7925_roc_iter, (void *)phy);
460 }
461 EXPORT_SYMBOL_GPL(mt7925_roc_abort_sync);
462
mt7925_roc_work(struct work_struct * work)463 void mt7925_roc_work(struct work_struct *work)
464 {
465 struct mt792x_phy *phy;
466
467 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy,
468 roc_work);
469
470 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
471 return;
472
473 mt792x_mutex_acquire(phy->dev);
474 ieee80211_iterate_active_interfaces(phy->mt76->hw,
475 IEEE80211_IFACE_ITER_RESUME_ALL,
476 mt7925_roc_iter, phy);
477 mt792x_mutex_release(phy->dev);
478 ieee80211_remain_on_channel_expired(phy->mt76->hw);
479 }
480
mt7925_abort_roc(struct mt792x_phy * phy,struct mt792x_bss_conf * mconf)481 static int mt7925_abort_roc(struct mt792x_phy *phy,
482 struct mt792x_bss_conf *mconf)
483 {
484 int err = 0;
485
486 del_timer_sync(&phy->roc_timer);
487 cancel_work_sync(&phy->roc_work);
488
489 mt792x_mutex_acquire(phy->dev);
490 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
491 err = mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id);
492 mt792x_mutex_release(phy->dev);
493
494 return err;
495 }
496
mt7925_set_roc(struct mt792x_phy * phy,struct mt792x_bss_conf * mconf,struct ieee80211_channel * chan,int duration,enum mt7925_roc_req type)497 static int mt7925_set_roc(struct mt792x_phy *phy,
498 struct mt792x_bss_conf *mconf,
499 struct ieee80211_channel *chan,
500 int duration,
501 enum mt7925_roc_req type)
502 {
503 int err;
504
505 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))
506 return -EBUSY;
507
508 phy->roc_grant = false;
509
510 err = mt7925_mcu_set_roc(phy, mconf, chan, duration, type,
511 ++phy->roc_token_id);
512 if (err < 0) {
513 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
514 goto out;
515 }
516
517 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, 4 * HZ)) {
518 mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id);
519 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
520 err = -ETIMEDOUT;
521 }
522
523 out:
524 return err;
525 }
526
mt7925_set_mlo_roc(struct mt792x_phy * phy,struct mt792x_bss_conf * mconf,u16 sel_links)527 static int mt7925_set_mlo_roc(struct mt792x_phy *phy,
528 struct mt792x_bss_conf *mconf,
529 u16 sel_links)
530 {
531 int err;
532
533 if (WARN_ON_ONCE(test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)))
534 return -EBUSY;
535
536 phy->roc_grant = false;
537
538 err = mt7925_mcu_set_mlo_roc(mconf, sel_links, 5, ++phy->roc_token_id);
539 if (err < 0) {
540 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
541 goto out;
542 }
543
544 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, 4 * HZ)) {
545 mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id);
546 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
547 err = -ETIMEDOUT;
548 }
549
550 out:
551 return err;
552 }
553
mt7925_remain_on_channel(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_channel * chan,int duration,enum ieee80211_roc_type type)554 static int mt7925_remain_on_channel(struct ieee80211_hw *hw,
555 struct ieee80211_vif *vif,
556 struct ieee80211_channel *chan,
557 int duration,
558 enum ieee80211_roc_type type)
559 {
560 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
561 struct mt792x_phy *phy = mt792x_hw_phy(hw);
562 int err;
563
564 mt792x_mutex_acquire(phy->dev);
565 err = mt7925_set_roc(phy, &mvif->bss_conf,
566 chan, duration, MT7925_ROC_REQ_ROC);
567 mt792x_mutex_release(phy->dev);
568
569 return err;
570 }
571
mt7925_cancel_remain_on_channel(struct ieee80211_hw * hw,struct ieee80211_vif * vif)572 static int mt7925_cancel_remain_on_channel(struct ieee80211_hw *hw,
573 struct ieee80211_vif *vif)
574 {
575 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
576 struct mt792x_phy *phy = mt792x_hw_phy(hw);
577
578 return mt7925_abort_roc(phy, &mvif->bss_conf);
579 }
580
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)581 static int mt7925_set_link_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
582 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
583 struct ieee80211_key_conf *key, int link_id)
584 {
585 struct mt792x_dev *dev = mt792x_hw_dev(hw);
586 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
587 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv :
588 &mvif->sta;
589 struct ieee80211_bss_conf *link_conf;
590 struct ieee80211_link_sta *link_sta;
591 int idx = key->keyidx, err = 0;
592 struct mt792x_link_sta *mlink;
593 struct mt792x_bss_conf *mconf;
594 struct mt76_wcid *wcid;
595 u8 *wcid_keyidx;
596
597 link_conf = mt792x_vif_to_bss_conf(vif, link_id);
598 link_sta = sta ? mt792x_sta_to_link_sta(vif, sta, link_id) : NULL;
599 mconf = mt792x_vif_to_link(mvif, link_id);
600 mlink = mt792x_sta_to_link(msta, link_id);
601 wcid = &mlink->wcid;
602 wcid_keyidx = &wcid->hw_key_idx;
603
604 /* fall back to sw encryption for unsupported ciphers */
605 switch (key->cipher) {
606 case WLAN_CIPHER_SUITE_AES_CMAC:
607 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
608 wcid_keyidx = &wcid->hw_key_idx2;
609 break;
610 case WLAN_CIPHER_SUITE_WEP40:
611 case WLAN_CIPHER_SUITE_WEP104:
612 if (!mvif->wep_sta)
613 return -EOPNOTSUPP;
614 break;
615 case WLAN_CIPHER_SUITE_TKIP:
616 case WLAN_CIPHER_SUITE_CCMP:
617 case WLAN_CIPHER_SUITE_CCMP_256:
618 case WLAN_CIPHER_SUITE_GCMP:
619 case WLAN_CIPHER_SUITE_GCMP_256:
620 case WLAN_CIPHER_SUITE_SMS4:
621 break;
622 default:
623 return -EOPNOTSUPP;
624 }
625
626 if (cmd == SET_KEY && !mconf->mt76.cipher) {
627 struct mt792x_phy *phy = mt792x_hw_phy(hw);
628
629 mconf->mt76.cipher = mt7925_mcu_get_cipher(key->cipher);
630 mt7925_mcu_add_bss_info(phy, mconf->mt76.ctx, link_conf,
631 link_sta, true);
632 }
633
634 if (cmd == SET_KEY)
635 *wcid_keyidx = idx;
636 else if (idx == *wcid_keyidx)
637 *wcid_keyidx = -1;
638 else
639 goto out;
640
641 mt76_wcid_key_setup(&dev->mt76, wcid,
642 cmd == SET_KEY ? key : NULL);
643
644 err = mt7925_mcu_add_key(&dev->mt76, vif, &mlink->bip,
645 key, MCU_UNI_CMD(STA_REC_UPDATE),
646 &mlink->wcid, cmd, msta);
647
648 if (err)
649 goto out;
650
651 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 ||
652 key->cipher == WLAN_CIPHER_SUITE_WEP40)
653 err = mt7925_mcu_add_key(&dev->mt76, vif, &mvif->wep_sta->deflink.bip,
654 key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE),
655 &mvif->wep_sta->deflink.wcid, cmd, msta);
656 out:
657 return err;
658 }
659
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)660 static int mt7925_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
661 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
662 struct ieee80211_key_conf *key)
663 {
664 struct mt792x_dev *dev = mt792x_hw_dev(hw);
665 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
666 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv :
667 &mvif->sta;
668 int err;
669
670 /* The hardware does not support per-STA RX GTK, fallback
671 * to software mode for these.
672 */
673 if ((vif->type == NL80211_IFTYPE_ADHOC ||
674 vif->type == NL80211_IFTYPE_MESH_POINT) &&
675 (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
676 key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
677 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
678 return -EOPNOTSUPP;
679
680 mt792x_mutex_acquire(dev);
681
682 if (ieee80211_vif_is_mld(vif)) {
683 unsigned int link_id;
684 unsigned long add;
685
686 add = key->link_id != -1 ? BIT(key->link_id) : msta->valid_links;
687
688 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {
689 err = mt7925_set_link_key(hw, cmd, vif, sta, key, link_id);
690 if (err < 0)
691 break;
692 }
693 } else {
694 err = mt7925_set_link_key(hw, cmd, vif, sta, key, vif->bss_conf.link_id);
695 }
696
697 mt792x_mutex_release(dev);
698
699 return err;
700 }
701
702 static void
mt7925_pm_interface_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)703 mt7925_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
704 {
705 struct mt792x_dev *dev = priv;
706 struct ieee80211_hw *hw = mt76_hw(dev);
707 bool pm_enable = dev->pm.enable;
708 int err;
709
710 err = mt7925_mcu_set_beacon_filter(dev, vif, pm_enable);
711 if (err < 0)
712 return;
713
714 if (pm_enable) {
715 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
716 ieee80211_hw_set(hw, CONNECTION_MONITOR);
717 } else {
718 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER;
719 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags);
720 }
721 }
722
723 static void
mt7925_sniffer_interface_iter(void * priv,u8 * mac,struct ieee80211_vif * vif)724 mt7925_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
725 {
726 struct mt792x_dev *dev = priv;
727 struct ieee80211_hw *hw = mt76_hw(dev);
728 struct mt76_connac_pm *pm = &dev->pm;
729 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
730
731 mt7925_mcu_set_sniffer(dev, vif, monitor);
732 pm->enable = pm->enable_user && !monitor;
733 pm->ds_enable = pm->ds_enable_user && !monitor;
734
735 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable);
736
737 if (monitor)
738 mt7925_mcu_set_beacon_filter(dev, vif, false);
739 }
740
mt7925_set_runtime_pm(struct mt792x_dev * dev)741 void mt7925_set_runtime_pm(struct mt792x_dev *dev)
742 {
743 struct ieee80211_hw *hw = mt76_hw(dev);
744 struct mt76_connac_pm *pm = &dev->pm;
745 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
746
747 pm->enable = pm->enable_user && !monitor;
748 ieee80211_iterate_active_interfaces(hw,
749 IEEE80211_IFACE_ITER_RESUME_ALL,
750 mt7925_pm_interface_iter, dev);
751 pm->ds_enable = pm->ds_enable_user && !monitor;
752 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable);
753 }
754
mt7925_config(struct ieee80211_hw * hw,u32 changed)755 static int mt7925_config(struct ieee80211_hw *hw, u32 changed)
756 {
757 struct mt792x_dev *dev = mt792x_hw_dev(hw);
758 int ret = 0;
759
760 mt792x_mutex_acquire(dev);
761
762 if (changed & IEEE80211_CONF_CHANGE_POWER) {
763 ret = mt7925_set_tx_sar_pwr(hw, NULL);
764 if (ret)
765 goto out;
766 }
767
768 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
769 ieee80211_iterate_active_interfaces(hw,
770 IEEE80211_IFACE_ITER_RESUME_ALL,
771 mt7925_sniffer_interface_iter, dev);
772 }
773
774 out:
775 mt792x_mutex_release(dev);
776
777 return ret;
778 }
779
mt7925_configure_filter(struct ieee80211_hw * hw,unsigned int changed_flags,unsigned int * total_flags,u64 multicast)780 static void mt7925_configure_filter(struct ieee80211_hw *hw,
781 unsigned int changed_flags,
782 unsigned int *total_flags,
783 u64 multicast)
784 {
785 #define MT7925_FILTER_FCSFAIL BIT(2)
786 #define MT7925_FILTER_CONTROL BIT(5)
787 #define MT7925_FILTER_OTHER_BSS BIT(6)
788 #define MT7925_FILTER_ENABLE BIT(31)
789 struct mt792x_dev *dev = mt792x_hw_dev(hw);
790 u32 flags = MT7925_FILTER_ENABLE;
791
792 #define MT7925_FILTER(_fif, _type) do { \
793 if (*total_flags & (_fif)) \
794 flags |= MT7925_FILTER_##_type; \
795 } while (0)
796
797 MT7925_FILTER(FIF_FCSFAIL, FCSFAIL);
798 MT7925_FILTER(FIF_CONTROL, CONTROL);
799 MT7925_FILTER(FIF_OTHER_BSS, OTHER_BSS);
800
801 mt792x_mutex_acquire(dev);
802 mt7925_mcu_set_rxfilter(dev, flags, 0, 0);
803 mt792x_mutex_release(dev);
804
805 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL);
806 }
807
808 static u8
mt7925_get_rates_table(struct ieee80211_hw * hw,struct ieee80211_vif * vif,bool beacon,bool mcast)809 mt7925_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
810 bool beacon, bool mcast)
811 {
812 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
813 struct mt76_phy *mphy = hw->priv;
814 u16 rate;
815 u8 i, idx, ht;
816
817 rate = mt76_connac2_mac_tx_rate_val(mphy, vif, beacon, mcast);
818 ht = FIELD_GET(MT_TX_RATE_MODE, rate) > MT_PHY_TYPE_OFDM;
819
820 if (beacon && ht) {
821 struct mt792x_dev *dev = mt792x_hw_dev(hw);
822
823 /* must odd index */
824 idx = MT7925_BEACON_RATES_TBL + 2 * (mvif->idx % 20);
825 mt7925_mac_set_fixed_rate_table(dev, idx, rate);
826 return idx;
827 }
828
829 idx = FIELD_GET(MT_TX_RATE_IDX, rate);
830 for (i = 0; i < ARRAY_SIZE(mt76_rates); i++)
831 if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx)
832 return MT792x_BASIC_RATES_TBL + i;
833
834 return mvif->basic_rates_idx;
835 }
836
mt7925_mac_link_sta_add(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_link_sta * link_sta)837 static int mt7925_mac_link_sta_add(struct mt76_dev *mdev,
838 struct ieee80211_vif *vif,
839 struct ieee80211_link_sta *link_sta)
840 {
841 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
842 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
843 struct ieee80211_bss_conf *link_conf;
844 struct mt792x_bss_conf *mconf;
845 u8 link_id = link_sta->link_id;
846 struct mt792x_link_sta *mlink;
847 struct mt792x_sta *msta;
848 struct mt76_wcid *wcid;
849 int ret, idx;
850
851 msta = (struct mt792x_sta *)link_sta->sta->drv_priv;
852 mlink = mt792x_sta_to_link(msta, link_id);
853
854 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1);
855 if (idx < 0)
856 return -ENOSPC;
857
858 mconf = mt792x_vif_to_link(mvif, link_id);
859 INIT_LIST_HEAD(&mlink->wcid.poll_list);
860 mlink->wcid.sta = 1;
861 mlink->wcid.idx = idx;
862 mlink->wcid.phy_idx = 0;
863 mlink->wcid.tx_info |= MT_WCID_TX_INFO_SET;
864 mlink->last_txs = jiffies;
865 mlink->wcid.link_id = link_sta->link_id;
866 mlink->wcid.link_valid = !!link_sta->sta->valid_links;
867 mlink->sta = msta;
868
869 wcid = &mlink->wcid;
870 ewma_signal_init(&wcid->rssi);
871 rcu_assign_pointer(dev->mt76.wcid[wcid->idx], wcid);
872 mt76_wcid_init(wcid);
873 ewma_avg_signal_init(&mlink->avg_ack_signal);
874 memset(mlink->airtime_ac, 0,
875 sizeof(msta->deflink.airtime_ac));
876
877 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm);
878 if (ret)
879 return ret;
880
881 mt7925_mac_wtbl_update(dev, idx,
882 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
883
884 link_conf = mt792x_vif_to_bss_conf(vif, link_id);
885
886 /* should update bss info before STA add */
887 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) {
888 if (ieee80211_vif_is_mld(vif))
889 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx,
890 link_conf, link_sta, link_sta != mlink->pri_link);
891 else
892 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx,
893 link_conf, link_sta, false);
894 }
895
896 if (ieee80211_vif_is_mld(vif) &&
897 link_sta == mlink->pri_link) {
898 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true,
899 MT76_STA_INFO_STATE_NONE);
900 if (ret)
901 return ret;
902 } else if (ieee80211_vif_is_mld(vif) &&
903 link_sta != mlink->pri_link) {
904 ret = mt7925_mcu_sta_update(dev, mlink->pri_link, vif,
905 true, MT76_STA_INFO_STATE_ASSOC);
906 if (ret)
907 return ret;
908
909 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true,
910 MT76_STA_INFO_STATE_ASSOC);
911 if (ret)
912 return ret;
913 } else {
914 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true,
915 MT76_STA_INFO_STATE_NONE);
916 if (ret)
917 return ret;
918 }
919
920 mt76_connac_power_save_sched(&dev->mphy, &dev->pm);
921
922 return 0;
923 }
924
925 static int
mt7925_mac_sta_add_links(struct mt792x_dev * dev,struct ieee80211_vif * vif,struct ieee80211_sta * sta,unsigned long new_links)926 mt7925_mac_sta_add_links(struct mt792x_dev *dev, struct ieee80211_vif *vif,
927 struct ieee80211_sta *sta, unsigned long new_links)
928 {
929 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
930 unsigned int link_id;
931 int err = 0;
932
933 for_each_set_bit(link_id, &new_links, IEEE80211_MLD_MAX_NUM_LINKS) {
934 struct ieee80211_link_sta *link_sta;
935 struct mt792x_link_sta *mlink;
936
937 if (msta->deflink_id == IEEE80211_LINK_UNSPECIFIED) {
938 mlink = &msta->deflink;
939 msta->deflink_id = link_id;
940 } else {
941 mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink), GFP_KERNEL);
942 if (!mlink) {
943 err = -ENOMEM;
944 break;
945 }
946 }
947
948 msta->valid_links |= BIT(link_id);
949 rcu_assign_pointer(msta->link[link_id], mlink);
950 mlink->sta = msta;
951 mlink->pri_link = &sta->deflink;
952 mlink->wcid.def_wcid = &msta->deflink.wcid;
953
954 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id);
955 mt7925_mac_link_sta_add(&dev->mt76, vif, link_sta);
956 }
957
958 return err;
959 }
960
mt7925_mac_sta_add(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)961 int mt7925_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
962 struct ieee80211_sta *sta)
963 {
964 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
965 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
966 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
967 int err;
968
969 msta->vif = mvif;
970
971 if (vif->type == NL80211_IFTYPE_STATION)
972 mvif->wep_sta = msta;
973
974 if (ieee80211_vif_is_mld(vif)) {
975 msta->deflink_id = IEEE80211_LINK_UNSPECIFIED;
976
977 err = mt7925_mac_sta_add_links(dev, vif, sta, sta->valid_links);
978 } else {
979 err = mt7925_mac_link_sta_add(mdev, vif, &sta->deflink);
980 }
981
982 return err;
983 }
984 EXPORT_SYMBOL_GPL(mt7925_mac_sta_add);
985
986 static u16
mt7925_mac_select_links(struct mt76_dev * mdev,struct ieee80211_vif * vif)987 mt7925_mac_select_links(struct mt76_dev *mdev, struct ieee80211_vif *vif)
988 {
989 unsigned long usable_links = ieee80211_vif_usable_links(vif);
990 struct {
991 u8 link_id;
992 enum nl80211_band band;
993 } data[IEEE80211_MLD_MAX_NUM_LINKS];
994 u8 link_id, i, j, n_data = 0;
995 u16 sel_links = 0;
996
997 if (!ieee80211_vif_is_mld(vif))
998 return 0;
999
1000 if (vif->active_links == usable_links)
1001 return vif->active_links;
1002
1003 rcu_read_lock();
1004 for_each_set_bit(link_id, &usable_links, IEEE80211_MLD_MAX_NUM_LINKS) {
1005 struct ieee80211_bss_conf *link_conf =
1006 rcu_dereference(vif->link_conf[link_id]);
1007
1008 if (WARN_ON_ONCE(!link_conf))
1009 continue;
1010
1011 data[n_data].link_id = link_id;
1012 data[n_data].band = link_conf->chanreq.oper.chan->band;
1013 n_data++;
1014 }
1015 rcu_read_unlock();
1016
1017 for (i = 0; i < n_data; i++) {
1018 if (!(BIT(data[i].link_id) & vif->active_links))
1019 continue;
1020
1021 sel_links = BIT(data[i].link_id);
1022
1023 for (j = 0; j < n_data; j++) {
1024 if (data[i].band != data[j].band) {
1025 sel_links |= BIT(data[j].link_id);
1026 break;
1027 }
1028 }
1029
1030 break;
1031 }
1032
1033 return sel_links;
1034 }
1035
1036 static void
mt7925_mac_set_links(struct mt76_dev * mdev,struct ieee80211_vif * vif)1037 mt7925_mac_set_links(struct mt76_dev *mdev, struct ieee80211_vif *vif)
1038 {
1039 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
1040 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1041 struct ieee80211_bss_conf *link_conf =
1042 mt792x_vif_to_bss_conf(vif, mvif->deflink_id);
1043 struct cfg80211_chan_def *chandef = &link_conf->chanreq.oper;
1044 enum nl80211_band band = chandef->chan->band, secondary_band;
1045
1046 u16 sel_links = mt7925_mac_select_links(mdev, vif);
1047 u8 secondary_link_id = __ffs(~BIT(mvif->deflink_id) & sel_links);
1048
1049 if (!ieee80211_vif_is_mld(vif) || hweight16(sel_links) < 2)
1050 return;
1051
1052 link_conf = mt792x_vif_to_bss_conf(vif, secondary_link_id);
1053 secondary_band = link_conf->chanreq.oper.chan->band;
1054
1055 if (band == NL80211_BAND_2GHZ ||
1056 (band == NL80211_BAND_5GHZ && secondary_band == NL80211_BAND_6GHZ)) {
1057 mt7925_abort_roc(mvif->phy, &mvif->bss_conf);
1058
1059 mt792x_mutex_acquire(dev);
1060
1061 mt7925_set_mlo_roc(mvif->phy, &mvif->bss_conf, sel_links);
1062
1063 mt792x_mutex_release(dev);
1064 }
1065
1066 ieee80211_set_active_links_async(vif, sel_links);
1067 }
1068
mt7925_mac_link_sta_assoc(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_link_sta * link_sta)1069 static void mt7925_mac_link_sta_assoc(struct mt76_dev *mdev,
1070 struct ieee80211_vif *vif,
1071 struct ieee80211_link_sta *link_sta)
1072 {
1073 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
1074 struct ieee80211_bss_conf *link_conf;
1075 struct mt792x_link_sta *mlink;
1076 struct mt792x_sta *msta;
1077
1078 msta = (struct mt792x_sta *)link_sta->sta->drv_priv;
1079 mlink = mt792x_sta_to_link(msta, link_sta->link_id);
1080
1081 mt792x_mutex_acquire(dev);
1082
1083 if (ieee80211_vif_is_mld(vif)) {
1084 link_conf = mt792x_vif_to_bss_conf(vif, msta->deflink_id);
1085 } else {
1086 link_conf = mt792x_vif_to_bss_conf(vif, vif->bss_conf.link_id);
1087 }
1088
1089 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) {
1090 struct mt792x_bss_conf *mconf;
1091
1092 mconf = mt792x_link_conf_to_mconf(link_conf);
1093 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx,
1094 link_conf, link_sta, true);
1095 }
1096
1097 ewma_avg_signal_init(&mlink->avg_ack_signal);
1098
1099 mt7925_mac_wtbl_update(dev, mlink->wcid.idx,
1100 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
1101 memset(mlink->airtime_ac, 0, sizeof(mlink->airtime_ac));
1102
1103 mt7925_mcu_sta_update(dev, link_sta, vif, true, MT76_STA_INFO_STATE_ASSOC);
1104
1105 mt792x_mutex_release(dev);
1106 }
1107
mt7925_mac_sta_event(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta,enum mt76_sta_event ev)1108 int mt7925_mac_sta_event(struct mt76_dev *mdev, struct ieee80211_vif *vif,
1109 struct ieee80211_sta *sta, enum mt76_sta_event ev)
1110 {
1111 struct ieee80211_link_sta *link_sta = &sta->deflink;
1112
1113 if (ev != MT76_STA_EVENT_ASSOC)
1114 return 0;
1115
1116 if (ieee80211_vif_is_mld(vif)) {
1117 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
1118
1119 link_sta = mt792x_sta_to_link_sta(vif, sta, msta->deflink_id);
1120 mt7925_mac_set_links(mdev, vif);
1121 }
1122
1123 mt7925_mac_link_sta_assoc(mdev, vif, link_sta);
1124
1125 return 0;
1126 }
1127 EXPORT_SYMBOL_GPL(mt7925_mac_sta_event);
1128
mt7925_mac_link_sta_remove(struct mt76_dev * mdev,struct ieee80211_vif * vif,struct ieee80211_link_sta * link_sta)1129 static void mt7925_mac_link_sta_remove(struct mt76_dev *mdev,
1130 struct ieee80211_vif *vif,
1131 struct ieee80211_link_sta *link_sta)
1132 {
1133 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
1134 struct ieee80211_bss_conf *link_conf;
1135 u8 link_id = link_sta->link_id;
1136 struct mt792x_link_sta *mlink;
1137 struct mt792x_sta *msta;
1138
1139 msta = (struct mt792x_sta *)link_sta->sta->drv_priv;
1140 mlink = mt792x_sta_to_link(msta, link_id);
1141
1142 mt7925_roc_abort_sync(dev);
1143
1144 mt76_connac_free_pending_tx_skbs(&dev->pm, &mlink->wcid);
1145 mt76_connac_pm_wake(&dev->mphy, &dev->pm);
1146
1147 mt7925_mcu_sta_update(dev, link_sta, vif, false,
1148 MT76_STA_INFO_STATE_NONE);
1149 mt7925_mac_wtbl_update(dev, mlink->wcid.idx,
1150 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
1151
1152 link_conf = mt792x_vif_to_bss_conf(vif, link_id);
1153
1154 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) {
1155 struct mt792x_bss_conf *mconf;
1156
1157 mconf = mt792x_link_conf_to_mconf(link_conf);
1158
1159 if (ieee80211_vif_is_mld(vif))
1160 mt792x_mac_link_bss_remove(dev, mconf, mlink);
1161 else
1162 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, link_conf,
1163 link_sta, false);
1164 }
1165
1166 spin_lock_bh(&mdev->sta_poll_lock);
1167 if (!list_empty(&mlink->wcid.poll_list))
1168 list_del_init(&mlink->wcid.poll_list);
1169 spin_unlock_bh(&mdev->sta_poll_lock);
1170
1171 mt76_connac_power_save_sched(&dev->mphy, &dev->pm);
1172 }
1173
1174 static int
mt7925_mac_sta_remove_links(struct mt792x_dev * dev,struct ieee80211_vif * vif,struct ieee80211_sta * sta,unsigned long old_links)1175 mt7925_mac_sta_remove_links(struct mt792x_dev *dev, struct ieee80211_vif *vif,
1176 struct ieee80211_sta *sta, unsigned long old_links)
1177 {
1178 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
1179 struct mt76_dev *mdev = &dev->mt76;
1180 struct mt76_wcid *wcid;
1181 unsigned int link_id;
1182
1183 /* clean up bss before starec */
1184 for_each_set_bit(link_id, &old_links, IEEE80211_MLD_MAX_NUM_LINKS) {
1185 struct ieee80211_link_sta *link_sta;
1186 struct ieee80211_bss_conf *link_conf;
1187 struct mt792x_bss_conf *mconf;
1188 struct mt792x_link_sta *mlink;
1189
1190 if (vif->type == NL80211_IFTYPE_AP)
1191 break;
1192
1193 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id);
1194 if (!link_sta)
1195 continue;
1196
1197 mlink = mt792x_sta_to_link(msta, link_id);
1198 if (!mlink)
1199 continue;
1200
1201 link_conf = mt792x_vif_to_bss_conf(vif, link_id);
1202 if (!link_conf)
1203 continue;
1204
1205 mconf = mt792x_link_conf_to_mconf(link_conf);
1206
1207 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, link_conf,
1208 link_sta, false);
1209 }
1210
1211 for_each_set_bit(link_id, &old_links, IEEE80211_MLD_MAX_NUM_LINKS) {
1212 struct ieee80211_link_sta *link_sta;
1213 struct mt792x_link_sta *mlink;
1214
1215 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id);
1216 if (!link_sta)
1217 continue;
1218
1219 mlink = mt792x_sta_to_link(msta, link_id);
1220 if (!mlink)
1221 continue;
1222
1223 mt7925_mac_link_sta_remove(&dev->mt76, vif, link_sta);
1224
1225 wcid = &mlink->wcid;
1226 rcu_assign_pointer(msta->link[link_id], NULL);
1227 msta->valid_links &= ~BIT(link_id);
1228 mlink->sta = NULL;
1229 mlink->pri_link = NULL;
1230
1231 if (link_sta != mlink->pri_link) {
1232 mt76_wcid_cleanup(mdev, wcid);
1233 mt76_wcid_mask_clear(mdev->wcid_mask, wcid->idx);
1234 mt76_wcid_mask_clear(mdev->wcid_phy_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 unsigned long rem;
1250
1251 rem = ieee80211_vif_is_mld(vif) ? msta->valid_links : BIT(0);
1252
1253 mt7925_mac_sta_remove_links(dev, vif, sta, rem);
1254
1255 if (ieee80211_vif_is_mld(vif))
1256 mt7925_mcu_del_dev(mdev, vif);
1257
1258 if (vif->type == NL80211_IFTYPE_STATION) {
1259 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1260
1261 mvif->wep_sta = NULL;
1262 ewma_rssi_init(&mvif->bss_conf.rssi);
1263 }
1264 }
1265 EXPORT_SYMBOL_GPL(mt7925_mac_sta_remove);
1266
mt7925_set_rts_threshold(struct ieee80211_hw * hw,u32 val)1267 static int mt7925_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
1268 {
1269 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1270
1271 mt792x_mutex_acquire(dev);
1272 mt7925_mcu_set_rts_thresh(&dev->phy, val);
1273 mt792x_mutex_release(dev);
1274
1275 return 0;
1276 }
1277
1278 static int
mt7925_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)1279 mt7925_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1280 struct ieee80211_ampdu_params *params)
1281 {
1282 enum ieee80211_ampdu_mlme_action action = params->action;
1283 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1284 struct ieee80211_sta *sta = params->sta;
1285 struct ieee80211_txq *txq = sta->txq[params->tid];
1286 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
1287 u16 tid = params->tid;
1288 u16 ssn = params->ssn;
1289 struct mt76_txq *mtxq;
1290 int ret = 0;
1291
1292 if (!txq)
1293 return -EINVAL;
1294
1295 mtxq = (struct mt76_txq *)txq->drv_priv;
1296
1297 mt792x_mutex_acquire(dev);
1298 switch (action) {
1299 case IEEE80211_AMPDU_RX_START:
1300 mt76_rx_aggr_start(&dev->mt76, &msta->deflink.wcid, tid, ssn,
1301 params->buf_size);
1302 mt7925_mcu_uni_rx_ba(dev, params, true);
1303 break;
1304 case IEEE80211_AMPDU_RX_STOP:
1305 mt76_rx_aggr_stop(&dev->mt76, &msta->deflink.wcid, tid);
1306 mt7925_mcu_uni_rx_ba(dev, params, false);
1307 break;
1308 case IEEE80211_AMPDU_TX_OPERATIONAL:
1309 mtxq->aggr = true;
1310 mtxq->send_bar = false;
1311 mt7925_mcu_uni_tx_ba(dev, params, true);
1312 break;
1313 case IEEE80211_AMPDU_TX_STOP_FLUSH:
1314 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1315 mtxq->aggr = false;
1316 clear_bit(tid, &msta->deflink.wcid.ampdu_state);
1317 mt7925_mcu_uni_tx_ba(dev, params, false);
1318 break;
1319 case IEEE80211_AMPDU_TX_START:
1320 set_bit(tid, &msta->deflink.wcid.ampdu_state);
1321 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
1322 break;
1323 case IEEE80211_AMPDU_TX_STOP_CONT:
1324 mtxq->aggr = false;
1325 clear_bit(tid, &msta->deflink.wcid.ampdu_state);
1326 mt7925_mcu_uni_tx_ba(dev, params, false);
1327 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1328 break;
1329 }
1330 mt792x_mutex_release(dev);
1331
1332 return ret;
1333 }
1334
is_valid_alpha2(const char * alpha2)1335 static bool is_valid_alpha2(const char *alpha2)
1336 {
1337 if (!alpha2)
1338 return false;
1339
1340 if (alpha2[0] == '0' && alpha2[1] == '0')
1341 return true;
1342
1343 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
1344 return true;
1345
1346 return false;
1347 }
1348
mt7925_scan_work(struct work_struct * work)1349 void mt7925_scan_work(struct work_struct *work)
1350 {
1351 struct mt792x_phy *phy;
1352
1353 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy,
1354 scan_work.work);
1355
1356 while (true) {
1357 struct mt76_dev *mdev = &phy->dev->mt76;
1358 struct sk_buff *skb;
1359 struct tlv *tlv;
1360 int tlv_len;
1361
1362 spin_lock_bh(&phy->dev->mt76.lock);
1363 skb = __skb_dequeue(&phy->scan_event_list);
1364 spin_unlock_bh(&phy->dev->mt76.lock);
1365
1366 if (!skb)
1367 break;
1368
1369 skb_pull(skb, sizeof(struct mt7925_mcu_rxd) + 4);
1370 tlv = (struct tlv *)skb->data;
1371 tlv_len = skb->len;
1372
1373 while (tlv_len > 0 && le16_to_cpu(tlv->len) <= tlv_len) {
1374 struct mt7925_mcu_scan_chinfo_event *evt;
1375
1376 switch (le16_to_cpu(tlv->tag)) {
1377 case UNI_EVENT_SCAN_DONE_BASIC:
1378 if (test_and_clear_bit(MT76_HW_SCANNING, &phy->mt76->state)) {
1379 struct cfg80211_scan_info info = {
1380 .aborted = false,
1381 };
1382 ieee80211_scan_completed(phy->mt76->hw, &info);
1383 }
1384 break;
1385 case UNI_EVENT_SCAN_DONE_CHNLINFO:
1386 evt = (struct mt7925_mcu_scan_chinfo_event *)tlv->data;
1387
1388 if (!is_valid_alpha2(evt->alpha2))
1389 break;
1390
1391 if (mdev->alpha2[0] != '0' && mdev->alpha2[1] != '0')
1392 break;
1393
1394 mt7925_mcu_set_clc(phy->dev, evt->alpha2, ENVIRON_INDOOR);
1395
1396 break;
1397 case UNI_EVENT_SCAN_DONE_NLO:
1398 ieee80211_sched_scan_results(phy->mt76->hw);
1399 break;
1400 default:
1401 break;
1402 }
1403
1404 tlv_len -= le16_to_cpu(tlv->len);
1405 tlv = (struct tlv *)((char *)(tlv) + le16_to_cpu(tlv->len));
1406 }
1407
1408 dev_kfree_skb(skb);
1409 }
1410 }
1411
1412 static int
mt7925_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_scan_request * req)1413 mt7925_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1414 struct ieee80211_scan_request *req)
1415 {
1416 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1417 struct mt76_phy *mphy = hw->priv;
1418 int err;
1419
1420 mt792x_mutex_acquire(dev);
1421 err = mt7925_mcu_hw_scan(mphy, vif, req);
1422 mt792x_mutex_release(dev);
1423
1424 return err;
1425 }
1426
1427 static void
mt7925_cancel_hw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1428 mt7925_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1429 {
1430 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1431 struct mt76_phy *mphy = hw->priv;
1432
1433 mt792x_mutex_acquire(dev);
1434 mt7925_mcu_cancel_hw_scan(mphy, vif);
1435 mt792x_mutex_release(dev);
1436 }
1437
1438 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)1439 mt7925_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1440 struct cfg80211_sched_scan_request *req,
1441 struct ieee80211_scan_ies *ies)
1442 {
1443 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1444 struct mt76_phy *mphy = hw->priv;
1445 int err;
1446
1447 mt792x_mutex_acquire(dev);
1448
1449 err = mt7925_mcu_sched_scan_req(mphy, vif, req);
1450 if (err < 0)
1451 goto out;
1452
1453 err = mt7925_mcu_sched_scan_enable(mphy, vif, true);
1454 out:
1455 mt792x_mutex_release(dev);
1456
1457 return err;
1458 }
1459
1460 static int
mt7925_stop_sched_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif)1461 mt7925_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1462 {
1463 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1464 struct mt76_phy *mphy = hw->priv;
1465 int err;
1466
1467 mt792x_mutex_acquire(dev);
1468 err = mt7925_mcu_sched_scan_enable(mphy, vif, false);
1469 mt792x_mutex_release(dev);
1470
1471 return err;
1472 }
1473
1474 static int
mt7925_set_antenna(struct ieee80211_hw * hw,u32 tx_ant,u32 rx_ant)1475 mt7925_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
1476 {
1477 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1478 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1479 int max_nss = hweight8(hw->wiphy->available_antennas_tx);
1480
1481 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
1482 return -EINVAL;
1483
1484 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
1485 tx_ant = BIT(ffs(tx_ant) - 1) - 1;
1486
1487 mt792x_mutex_acquire(dev);
1488
1489 phy->mt76->antenna_mask = tx_ant;
1490 phy->mt76->chainmask = tx_ant;
1491
1492 mt76_set_stream_caps(phy->mt76, true);
1493 mt7925_set_stream_he_eht_caps(phy);
1494
1495 /* TODO: update bmc_wtbl spe_idx when antenna changes */
1496 mt792x_mutex_release(dev);
1497
1498 return 0;
1499 }
1500
1501 #ifdef CONFIG_PM
mt7925_suspend(struct ieee80211_hw * hw,struct cfg80211_wowlan * wowlan)1502 static int mt7925_suspend(struct ieee80211_hw *hw,
1503 struct cfg80211_wowlan *wowlan)
1504 {
1505 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1506 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1507
1508 cancel_delayed_work_sync(&phy->scan_work);
1509 cancel_delayed_work_sync(&phy->mt76->mac_work);
1510
1511 cancel_delayed_work_sync(&dev->pm.ps_work);
1512 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
1513
1514 mt792x_mutex_acquire(dev);
1515
1516 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1517 ieee80211_iterate_active_interfaces(hw,
1518 IEEE80211_IFACE_ITER_RESUME_ALL,
1519 mt7925_mcu_set_suspend_iter,
1520 &dev->mphy);
1521
1522 mt792x_mutex_release(dev);
1523
1524 return 0;
1525 }
1526
mt7925_resume(struct ieee80211_hw * hw)1527 static int mt7925_resume(struct ieee80211_hw *hw)
1528 {
1529 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1530 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1531
1532 mt792x_mutex_acquire(dev);
1533
1534 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1535 ieee80211_iterate_active_interfaces(hw,
1536 IEEE80211_IFACE_ITER_RESUME_ALL,
1537 mt7925_mcu_set_suspend_iter,
1538 &dev->mphy);
1539
1540 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
1541 MT792x_WATCHDOG_TIME);
1542
1543 mt792x_mutex_release(dev);
1544
1545 return 0;
1546 }
1547
mt7925_set_rekey_data(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_gtk_rekey_data * data)1548 static void mt7925_set_rekey_data(struct ieee80211_hw *hw,
1549 struct ieee80211_vif *vif,
1550 struct cfg80211_gtk_rekey_data *data)
1551 {
1552 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1553
1554 mt792x_mutex_acquire(dev);
1555 mt76_connac_mcu_update_gtk_rekey(hw, vif, data);
1556 mt792x_mutex_release(dev);
1557 }
1558 #endif /* CONFIG_PM */
1559
mt7925_sta_set_decap_offload(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,bool enabled)1560 static void mt7925_sta_set_decap_offload(struct ieee80211_hw *hw,
1561 struct ieee80211_vif *vif,
1562 struct ieee80211_sta *sta,
1563 bool enabled)
1564 {
1565 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
1566 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1567 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1568 unsigned long valid = mvif->valid_links;
1569 u8 i;
1570
1571 if (!msta->vif)
1572 return;
1573
1574 mt792x_mutex_acquire(dev);
1575
1576 valid = ieee80211_vif_is_mld(vif) ? mvif->valid_links : BIT(0);
1577
1578 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
1579 struct mt792x_link_sta *mlink;
1580
1581 mlink = mt792x_sta_to_link(msta, i);
1582
1583 if (enabled)
1584 set_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags);
1585 else
1586 clear_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags);
1587
1588 if (!mlink->wcid.sta)
1589 continue;
1590
1591 mt7925_mcu_wtbl_update_hdr_trans(dev, vif, sta, i);
1592 }
1593
1594 mt792x_mutex_release(dev);
1595 }
1596
1597 #if IS_ENABLED(CONFIG_IPV6)
__mt7925_ipv6_addr_change(struct ieee80211_hw * hw,struct ieee80211_bss_conf * link_conf,struct inet6_dev * idev)1598 static void __mt7925_ipv6_addr_change(struct ieee80211_hw *hw,
1599 struct ieee80211_bss_conf *link_conf,
1600 struct inet6_dev *idev)
1601 {
1602 struct mt792x_bss_conf *mconf = mt792x_link_conf_to_mconf(link_conf);
1603 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1604 struct inet6_ifaddr *ifa;
1605 struct sk_buff *skb;
1606 u8 idx = 0;
1607
1608 struct {
1609 struct {
1610 u8 bss_idx;
1611 u8 pad[3];
1612 } __packed hdr;
1613 struct mt7925_arpns_tlv arpns;
1614 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN];
1615 } req_hdr = {
1616 .hdr = {
1617 .bss_idx = mconf->mt76.idx,
1618 },
1619 .arpns = {
1620 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND),
1621 .len = cpu_to_le16(sizeof(req_hdr) - 4),
1622 .enable = true,
1623 },
1624 };
1625
1626 read_lock_bh(&idev->lock);
1627 list_for_each_entry(ifa, &idev->addr_list, if_list) {
1628 if (ifa->flags & IFA_F_TENTATIVE)
1629 continue;
1630 req_hdr.ns_addrs[idx] = ifa->addr;
1631 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN)
1632 break;
1633 }
1634 read_unlock_bh(&idev->lock);
1635
1636 if (!idx)
1637 return;
1638
1639 req_hdr.arpns.ips_num = idx;
1640
1641 skb = __mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req_hdr),
1642 0, GFP_ATOMIC);
1643 if (!skb)
1644 return;
1645
1646 skb_put_data(skb, &req_hdr, sizeof(req_hdr));
1647
1648 skb_queue_tail(&dev->ipv6_ns_list, skb);
1649
1650 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work);
1651 }
1652
mt7925_ipv6_addr_change(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct inet6_dev * idev)1653 static void mt7925_ipv6_addr_change(struct ieee80211_hw *hw,
1654 struct ieee80211_vif *vif,
1655 struct inet6_dev *idev)
1656 {
1657 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1658 unsigned long valid = ieee80211_vif_is_mld(vif) ?
1659 mvif->valid_links : BIT(0);
1660 struct ieee80211_bss_conf *bss_conf;
1661 int i;
1662
1663 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
1664 bss_conf = mt792x_vif_to_bss_conf(vif, i);
1665 __mt7925_ipv6_addr_change(hw, bss_conf, idev);
1666 }
1667 }
1668
1669 #endif
1670
mt7925_set_tx_sar_pwr(struct ieee80211_hw * hw,const struct cfg80211_sar_specs * sar)1671 int mt7925_set_tx_sar_pwr(struct ieee80211_hw *hw,
1672 const struct cfg80211_sar_specs *sar)
1673 {
1674 struct mt76_phy *mphy = hw->priv;
1675
1676 if (sar) {
1677 int err = mt76_init_sar_power(hw, sar);
1678
1679 if (err)
1680 return err;
1681 }
1682 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar);
1683
1684 return mt7925_mcu_set_rate_txpower(mphy);
1685 }
1686
mt7925_set_sar_specs(struct ieee80211_hw * hw,const struct cfg80211_sar_specs * sar)1687 static int mt7925_set_sar_specs(struct ieee80211_hw *hw,
1688 const struct cfg80211_sar_specs *sar)
1689 {
1690 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1691 int err;
1692
1693 mt792x_mutex_acquire(dev);
1694 err = mt7925_mcu_set_clc(dev, dev->mt76.alpha2,
1695 dev->country_ie_env);
1696 if (err < 0)
1697 goto out;
1698
1699 err = mt7925_set_tx_sar_pwr(hw, sar);
1700 out:
1701 mt792x_mutex_release(dev);
1702
1703 return err;
1704 }
1705
1706 static void
mt7925_channel_switch_beacon(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct cfg80211_chan_def * chandef)1707 mt7925_channel_switch_beacon(struct ieee80211_hw *hw,
1708 struct ieee80211_vif *vif,
1709 struct cfg80211_chan_def *chandef)
1710 {
1711 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1712
1713 mt792x_mutex_acquire(dev);
1714 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, true);
1715 mt792x_mutex_release(dev);
1716 }
1717
1718 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)1719 mt7925_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1720 unsigned int link_id, u16 queue,
1721 const struct ieee80211_tx_queue_params *params)
1722 {
1723 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1724 struct mt792x_bss_conf *mconf = mt792x_vif_to_link(mvif, link_id);
1725 static const u8 mq_to_aci[] = {
1726 [IEEE80211_AC_VO] = 3,
1727 [IEEE80211_AC_VI] = 2,
1728 [IEEE80211_AC_BE] = 0,
1729 [IEEE80211_AC_BK] = 1,
1730 };
1731
1732 /* firmware uses access class index */
1733 mconf->queue_params[mq_to_aci[queue]] = *params;
1734
1735 return 0;
1736 }
1737
1738 static int
mt7925_start_ap(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf)1739 mt7925_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1740 struct ieee80211_bss_conf *link_conf)
1741 {
1742 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1743 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1744 int err;
1745
1746 mt792x_mutex_acquire(dev);
1747
1748 err = mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx,
1749 link_conf, NULL, true);
1750 if (err)
1751 goto out;
1752
1753 err = mt7925_mcu_set_bss_pm(dev, link_conf, true);
1754 if (err)
1755 goto out;
1756
1757 err = mt7925_mcu_sta_update(dev, NULL, vif, true,
1758 MT76_STA_INFO_STATE_NONE);
1759 out:
1760 mt792x_mutex_release(dev);
1761
1762 return err;
1763 }
1764
1765 static void
mt7925_stop_ap(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf)1766 mt7925_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1767 struct ieee80211_bss_conf *link_conf)
1768 {
1769 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1770 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1771 int err;
1772
1773 mt792x_mutex_acquire(dev);
1774
1775 err = mt7925_mcu_set_bss_pm(dev, link_conf, false);
1776 if (err)
1777 goto out;
1778
1779 mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx, link_conf,
1780 NULL, false);
1781
1782 out:
1783 mt792x_mutex_release(dev);
1784 }
1785
1786 static int
mt7925_add_chanctx(struct ieee80211_hw * hw,struct ieee80211_chanctx_conf * ctx)1787 mt7925_add_chanctx(struct ieee80211_hw *hw,
1788 struct ieee80211_chanctx_conf *ctx)
1789 {
1790 return 0;
1791 }
1792
1793 static void
mt7925_remove_chanctx(struct ieee80211_hw * hw,struct ieee80211_chanctx_conf * ctx)1794 mt7925_remove_chanctx(struct ieee80211_hw *hw,
1795 struct ieee80211_chanctx_conf *ctx)
1796 {
1797 }
1798
1799 static void
mt7925_change_chanctx(struct ieee80211_hw * hw,struct ieee80211_chanctx_conf * ctx,u32 changed)1800 mt7925_change_chanctx(struct ieee80211_hw *hw,
1801 struct ieee80211_chanctx_conf *ctx,
1802 u32 changed)
1803 {
1804 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;
1805 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1806 struct mt792x_bss_conf *mconf;
1807 struct ieee80211_vif *vif;
1808 struct mt792x_vif *mvif;
1809
1810 if (!mctx->bss_conf)
1811 return;
1812
1813 mconf = mctx->bss_conf;
1814 mvif = mconf->vif;
1815 vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv);
1816
1817 mt792x_mutex_acquire(phy->dev);
1818 if (vif->type == NL80211_IFTYPE_MONITOR) {
1819 mt7925_mcu_set_sniffer(mvif->phy->dev, vif, true);
1820 mt7925_mcu_config_sniffer(mvif, ctx);
1821 } else {
1822 if (ieee80211_vif_is_mld(vif)) {
1823 unsigned long valid = mvif->valid_links;
1824 u8 i;
1825
1826 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
1827 mconf = mt792x_vif_to_link(mvif, i);
1828 if (mconf && mconf->mt76.ctx == ctx)
1829 break;
1830 }
1831
1832 } else {
1833 mconf = &mvif->bss_conf;
1834 }
1835
1836 if (mconf) {
1837 struct ieee80211_bss_conf *link_conf;
1838
1839 link_conf = mt792x_vif_to_bss_conf(vif, mconf->link_id);
1840 mt7925_mcu_set_chctx(mvif->phy->mt76, &mconf->mt76,
1841 link_conf, ctx);
1842 }
1843 }
1844
1845 mt792x_mutex_release(phy->dev);
1846 }
1847
mt7925_mgd_prepare_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_prep_tx_info * info)1848 static void mt7925_mgd_prepare_tx(struct ieee80211_hw *hw,
1849 struct ieee80211_vif *vif,
1850 struct ieee80211_prep_tx_info *info)
1851 {
1852 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1853 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1854 u16 duration = info->duration ? info->duration :
1855 jiffies_to_msecs(HZ);
1856
1857 mt792x_mutex_acquire(dev);
1858 mt7925_set_roc(mvif->phy, &mvif->bss_conf,
1859 mvif->bss_conf.mt76.ctx->def.chan, duration,
1860 MT7925_ROC_REQ_JOIN);
1861 mt792x_mutex_release(dev);
1862 }
1863
mt7925_mgd_complete_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_prep_tx_info * info)1864 static void mt7925_mgd_complete_tx(struct ieee80211_hw *hw,
1865 struct ieee80211_vif *vif,
1866 struct ieee80211_prep_tx_info *info)
1867 {
1868 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1869
1870 mt7925_abort_roc(mvif->phy, &mvif->bss_conf);
1871 }
1872
mt7925_vif_cfg_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u64 changed)1873 static void mt7925_vif_cfg_changed(struct ieee80211_hw *hw,
1874 struct ieee80211_vif *vif,
1875 u64 changed)
1876 {
1877 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1878 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1879 unsigned long valid = ieee80211_vif_is_mld(vif) ?
1880 mvif->valid_links : BIT(0);
1881 struct ieee80211_bss_conf *bss_conf;
1882 int i;
1883
1884 mt792x_mutex_acquire(dev);
1885
1886 if (changed & BSS_CHANGED_ASSOC) {
1887 mt7925_mcu_sta_update(dev, NULL, vif, true,
1888 MT76_STA_INFO_STATE_ASSOC);
1889 mt7925_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc);
1890 }
1891
1892 if (changed & BSS_CHANGED_ARP_FILTER) {
1893 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
1894 bss_conf = mt792x_vif_to_bss_conf(vif, i);
1895 mt7925_mcu_update_arp_filter(&dev->mt76, bss_conf);
1896 }
1897 }
1898
1899 if (changed & BSS_CHANGED_PS) {
1900 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
1901 bss_conf = mt792x_vif_to_bss_conf(vif, i);
1902 mt7925_mcu_uni_bss_ps(dev, bss_conf);
1903 }
1904 }
1905
1906 mt792x_mutex_release(dev);
1907 }
1908
mt7925_link_info_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info,u64 changed)1909 static void mt7925_link_info_changed(struct ieee80211_hw *hw,
1910 struct ieee80211_vif *vif,
1911 struct ieee80211_bss_conf *info,
1912 u64 changed)
1913 {
1914 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1915 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1916 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1917 struct mt792x_bss_conf *mconf;
1918
1919 mconf = mt792x_vif_to_link(mvif, info->link_id);
1920
1921 mt792x_mutex_acquire(dev);
1922
1923 if (changed & BSS_CHANGED_ERP_SLOT) {
1924 int slottime = info->use_short_slot ? 9 : 20;
1925
1926 if (slottime != phy->slottime) {
1927 phy->slottime = slottime;
1928 mt7925_mcu_set_timing(phy, info);
1929 }
1930 }
1931
1932 if (changed & BSS_CHANGED_MCAST_RATE)
1933 mconf->mt76.mcast_rates_idx =
1934 mt7925_get_rates_table(hw, vif, false, true);
1935
1936 if (changed & BSS_CHANGED_BASIC_RATES)
1937 mconf->mt76.basic_rates_idx =
1938 mt7925_get_rates_table(hw, vif, false, false);
1939
1940 if (changed & (BSS_CHANGED_BEACON |
1941 BSS_CHANGED_BEACON_ENABLED)) {
1942 mconf->mt76.beacon_rates_idx =
1943 mt7925_get_rates_table(hw, vif, true, false);
1944
1945 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif,
1946 info->enable_beacon);
1947 }
1948
1949 /* ensure that enable txcmd_mode after bss_info */
1950 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
1951 mt7925_mcu_set_tx(dev, info);
1952
1953 if (changed & BSS_CHANGED_BSSID) {
1954 if (ieee80211_vif_is_mld(vif) &&
1955 hweight16(mvif->valid_links) == 2)
1956 /* Indicate the secondary setup done */
1957 mt7925_mcu_uni_bss_bcnft(dev, info, true);
1958 }
1959
1960 mt792x_mutex_release(dev);
1961 }
1962
1963 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])1964 mt7925_change_vif_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1965 u16 old_links, u16 new_links,
1966 struct ieee80211_bss_conf *old[IEEE80211_MLD_MAX_NUM_LINKS])
1967 {
1968 struct mt792x_bss_conf *mconfs[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mconf;
1969 struct mt792x_link_sta *mlinks[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mlink;
1970 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1971 unsigned long add = new_links & ~old_links;
1972 unsigned long rem = old_links & ~new_links;
1973 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1974 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1975 struct ieee80211_bss_conf *link_conf;
1976 unsigned int link_id;
1977 int err;
1978
1979 if (old_links == new_links)
1980 return 0;
1981
1982 mt792x_mutex_acquire(dev);
1983
1984 for_each_set_bit(link_id, &rem, IEEE80211_MLD_MAX_NUM_LINKS) {
1985 mconf = mt792x_vif_to_link(mvif, link_id);
1986 mlink = mt792x_sta_to_link(&mvif->sta, link_id);
1987
1988 if (!mconf || !mlink)
1989 continue;
1990
1991 if (mconf != &mvif->bss_conf) {
1992 mt792x_mac_link_bss_remove(dev, mconf, mlink);
1993 devm_kfree(dev->mt76.dev, mconf);
1994 devm_kfree(dev->mt76.dev, mlink);
1995 }
1996
1997 rcu_assign_pointer(mvif->link_conf[link_id], NULL);
1998 rcu_assign_pointer(mvif->sta.link[link_id], NULL);
1999 }
2000
2001 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {
2002 if (!old_links) {
2003 mvif->deflink_id = link_id;
2004 mconf = &mvif->bss_conf;
2005 mlink = &mvif->sta.deflink;
2006 } else {
2007 mconf = devm_kzalloc(dev->mt76.dev, sizeof(*mconf),
2008 GFP_KERNEL);
2009 mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink),
2010 GFP_KERNEL);
2011 if (!mconf || !mlink) {
2012 mt792x_mutex_release(dev);
2013 return -ENOMEM;
2014 }
2015 }
2016
2017 mconfs[link_id] = mconf;
2018 mlinks[link_id] = mlink;
2019 mconf->link_id = link_id;
2020 mconf->vif = mvif;
2021 mlink->wcid.link_id = link_id;
2022 mlink->wcid.link_valid = !!vif->valid_links;
2023 mlink->wcid.def_wcid = &mvif->sta.deflink.wcid;
2024 }
2025
2026 if (hweight16(mvif->valid_links) == 0)
2027 mt792x_mac_link_bss_remove(dev, &mvif->bss_conf,
2028 &mvif->sta.deflink);
2029
2030 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {
2031 mconf = mconfs[link_id];
2032 mlink = mlinks[link_id];
2033 link_conf = mt792x_vif_to_bss_conf(vif, link_id);
2034
2035 rcu_assign_pointer(mvif->link_conf[link_id], mconf);
2036 rcu_assign_pointer(mvif->sta.link[link_id], mlink);
2037
2038 err = mt7925_mac_link_bss_add(dev, link_conf, mlink);
2039 if (err < 0)
2040 goto free;
2041
2042 if (mconf != &mvif->bss_conf) {
2043 mt7925_mcu_set_bss_pm(dev, link_conf, true);
2044
2045 err = mt7925_set_mlo_roc(phy, &mvif->bss_conf,
2046 vif->active_links);
2047 if (err < 0)
2048 goto free;
2049 }
2050 }
2051
2052 mvif->valid_links = new_links;
2053
2054 mt792x_mutex_release(dev);
2055
2056 return 0;
2057
2058 free:
2059 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {
2060 rcu_assign_pointer(mvif->link_conf[link_id], NULL);
2061 rcu_assign_pointer(mvif->sta.link[link_id], NULL);
2062
2063 if (mconf != &mvif->bss_conf)
2064 devm_kfree(dev->mt76.dev, mconfs[link_id]);
2065 if (mlink != &mvif->sta.deflink)
2066 devm_kfree(dev->mt76.dev, mlinks[link_id]);
2067 }
2068
2069 mt792x_mutex_release(dev);
2070
2071 return err;
2072 }
2073
2074 static int
mt7925_change_sta_links(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,u16 old_links,u16 new_links)2075 mt7925_change_sta_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
2076 struct ieee80211_sta *sta, u16 old_links, u16 new_links)
2077 {
2078 unsigned long add = new_links & ~old_links;
2079 unsigned long rem = old_links & ~new_links;
2080 struct mt792x_dev *dev = mt792x_hw_dev(hw);
2081 int err = 0;
2082
2083 if (old_links == new_links)
2084 return 0;
2085
2086 mt792x_mutex_acquire(dev);
2087
2088 err = mt7925_mac_sta_remove_links(dev, vif, sta, rem);
2089 if (err < 0)
2090 goto out;
2091
2092 err = mt7925_mac_sta_add_links(dev, vif, sta, add);
2093 if (err < 0)
2094 goto out;
2095
2096 out:
2097 mt792x_mutex_release(dev);
2098
2099 return err;
2100 }
2101
mt7925_assign_vif_chanctx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf,struct ieee80211_chanctx_conf * ctx)2102 static int mt7925_assign_vif_chanctx(struct ieee80211_hw *hw,
2103 struct ieee80211_vif *vif,
2104 struct ieee80211_bss_conf *link_conf,
2105 struct ieee80211_chanctx_conf *ctx)
2106 {
2107 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;
2108 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
2109 struct mt792x_dev *dev = mt792x_hw_dev(hw);
2110 struct ieee80211_bss_conf *pri_link_conf;
2111 struct mt792x_bss_conf *mconf;
2112
2113 mutex_lock(&dev->mt76.mutex);
2114
2115 if (ieee80211_vif_is_mld(vif)) {
2116 mconf = mt792x_vif_to_link(mvif, link_conf->link_id);
2117 pri_link_conf = mt792x_vif_to_bss_conf(vif, mvif->deflink_id);
2118
2119 if (vif->type == NL80211_IFTYPE_STATION &&
2120 mconf == &mvif->bss_conf)
2121 mt7925_mcu_add_bss_info(&dev->phy, NULL, pri_link_conf,
2122 NULL, true);
2123 } else {
2124 mconf = &mvif->bss_conf;
2125 }
2126
2127 mconf->mt76.ctx = ctx;
2128 mctx->bss_conf = mconf;
2129 mutex_unlock(&dev->mt76.mutex);
2130
2131 return 0;
2132 }
2133
mt7925_unassign_vif_chanctx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf,struct ieee80211_chanctx_conf * ctx)2134 static void mt7925_unassign_vif_chanctx(struct ieee80211_hw *hw,
2135 struct ieee80211_vif *vif,
2136 struct ieee80211_bss_conf *link_conf,
2137 struct ieee80211_chanctx_conf *ctx)
2138 {
2139 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;
2140 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
2141 struct mt792x_dev *dev = mt792x_hw_dev(hw);
2142 struct mt792x_bss_conf *mconf;
2143
2144 mutex_lock(&dev->mt76.mutex);
2145
2146 if (ieee80211_vif_is_mld(vif)) {
2147 mconf = mt792x_vif_to_link(mvif, link_conf->link_id);
2148
2149 if (vif->type == NL80211_IFTYPE_STATION &&
2150 mconf == &mvif->bss_conf)
2151 mt7925_mcu_add_bss_info(&dev->phy, NULL, link_conf,
2152 NULL, false);
2153 } else {
2154 mconf = &mvif->bss_conf;
2155 }
2156
2157 mctx->bss_conf = NULL;
2158 mconf->mt76.ctx = NULL;
2159 mutex_unlock(&dev->mt76.mutex);
2160 }
2161
2162 const struct ieee80211_ops mt7925_ops = {
2163 .tx = mt792x_tx,
2164 .start = mt7925_start,
2165 .stop = mt792x_stop,
2166 .add_interface = mt7925_add_interface,
2167 .remove_interface = mt792x_remove_interface,
2168 .config = mt7925_config,
2169 .conf_tx = mt7925_conf_tx,
2170 .configure_filter = mt7925_configure_filter,
2171 .start_ap = mt7925_start_ap,
2172 .stop_ap = mt7925_stop_ap,
2173 .sta_state = mt76_sta_state,
2174 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
2175 .set_key = mt7925_set_key,
2176 .sta_set_decap_offload = mt7925_sta_set_decap_offload,
2177 #if IS_ENABLED(CONFIG_IPV6)
2178 .ipv6_addr_change = mt7925_ipv6_addr_change,
2179 #endif /* CONFIG_IPV6 */
2180 .ampdu_action = mt7925_ampdu_action,
2181 .set_rts_threshold = mt7925_set_rts_threshold,
2182 .wake_tx_queue = mt76_wake_tx_queue,
2183 .release_buffered_frames = mt76_release_buffered_frames,
2184 .channel_switch_beacon = mt7925_channel_switch_beacon,
2185 .get_txpower = mt76_get_txpower,
2186 .get_stats = mt792x_get_stats,
2187 .get_et_sset_count = mt792x_get_et_sset_count,
2188 .get_et_strings = mt792x_get_et_strings,
2189 .get_et_stats = mt792x_get_et_stats,
2190 .get_tsf = mt792x_get_tsf,
2191 .set_tsf = mt792x_set_tsf,
2192 .get_survey = mt76_get_survey,
2193 .get_antenna = mt76_get_antenna,
2194 .set_antenna = mt7925_set_antenna,
2195 .set_coverage_class = mt792x_set_coverage_class,
2196 .hw_scan = mt7925_hw_scan,
2197 .cancel_hw_scan = mt7925_cancel_hw_scan,
2198 .sta_statistics = mt792x_sta_statistics,
2199 .sched_scan_start = mt7925_start_sched_scan,
2200 .sched_scan_stop = mt7925_stop_sched_scan,
2201 #ifdef CONFIG_PM
2202 .suspend = mt7925_suspend,
2203 .resume = mt7925_resume,
2204 .set_wakeup = mt792x_set_wakeup,
2205 .set_rekey_data = mt7925_set_rekey_data,
2206 #endif /* CONFIG_PM */
2207 .flush = mt792x_flush,
2208 .set_sar_specs = mt7925_set_sar_specs,
2209 .remain_on_channel = mt7925_remain_on_channel,
2210 .cancel_remain_on_channel = mt7925_cancel_remain_on_channel,
2211 .add_chanctx = mt7925_add_chanctx,
2212 .remove_chanctx = mt7925_remove_chanctx,
2213 .change_chanctx = mt7925_change_chanctx,
2214 .assign_vif_chanctx = mt7925_assign_vif_chanctx,
2215 .unassign_vif_chanctx = mt7925_unassign_vif_chanctx,
2216 .mgd_prepare_tx = mt7925_mgd_prepare_tx,
2217 .mgd_complete_tx = mt7925_mgd_complete_tx,
2218 .vif_cfg_changed = mt7925_vif_cfg_changed,
2219 .link_info_changed = mt7925_link_info_changed,
2220 .change_vif_links = mt7925_change_vif_links,
2221 .change_sta_links = mt7925_change_sta_links,
2222 };
2223 EXPORT_SYMBOL_GPL(mt7925_ops);
2224
2225 MODULE_AUTHOR("Deren Wu <deren.wu@mediatek.com>");
2226 MODULE_DESCRIPTION("MediaTek MT7925 core driver");
2227 MODULE_LICENSE("Dual BSD/GPL");
2228