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Merge tag 'soc-drivers-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
[linux-block.git] / drivers / net / wireless / mediatek / mt76 / mt7925 / main.c
CommitLineData
c948b5da
DW		 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
14static void
15mt7925_init_he_caps(struct mt792x_phy *phy, enum nl80211_band band,
16 struct ieee80211_sband_iftype_data *data,
695bfba7 17 enum nl80211_iftype iftype)
c948b5da
DW		 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
695bfba7 56 switch (iftype) {
c948b5da
DW		 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
155static void
156mt7925_init_eht_caps(struct mt792x_phy *phy, enum nl80211_band band,
170a8969 157 struct ieee80211_sband_iftype_data *data)
c948b5da
DW		 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
239static void
240__mt7925_set_stream_he_eht_caps(struct mt792x_phy *phy,
241 struct ieee80211_supported_band *sband,
242 enum nl80211_band band)
243{
244 struct ieee80211_sband_iftype_data *data = phy->iftype[band];
245 int i, n = 0;
246
247 for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
248 switch (i) {
249 case NL80211_IFTYPE_STATION:
250 case NL80211_IFTYPE_AP:
251 break;
252 default:
253 continue;
254 }
255
256 data[n].types_mask = BIT(i);
257 mt7925_init_he_caps(phy, band, &data[n], i);
170a8969 258 mt7925_init_eht_caps(phy, band, &data[n]);
c948b5da
DW		 259
260 n++;
261 }
262
263 _ieee80211_set_sband_iftype_data(sband, data, n);
264}
265
266void mt7925_set_stream_he_eht_caps(struct mt792x_phy *phy)
267{
268 if (phy->mt76->cap.has_2ghz)
269 __mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_2g.sband,
270 NL80211_BAND_2GHZ);
271
272 if (phy->mt76->cap.has_5ghz)
273 __mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_5g.sband,
274 NL80211_BAND_5GHZ);
275
276 if (phy->mt76->cap.has_6ghz)
277 __mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_6g.sband,
278 NL80211_BAND_6GHZ);
279}
280
281int __mt7925_start(struct mt792x_phy *phy)
282{
283 struct mt76_phy *mphy = phy->mt76;
284 int err;
285
286 err = mt7925_mcu_set_channel_domain(mphy);
287 if (err)
288 return err;
289
290 err = mt7925_mcu_set_rts_thresh(phy, 0x92b);
291 if (err)
292 return err;
293
294 err = mt7925_set_tx_sar_pwr(mphy->hw, NULL);
295 if (err)
296 return err;
297
298 mt792x_mac_reset_counters(phy);
299 set_bit(MT76_STATE_RUNNING, &mphy->state);
300
301 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work,
302 MT792x_WATCHDOG_TIME);
303
304 return 0;
305}
306EXPORT_SYMBOL_GPL(__mt7925_start);
307
308static int mt7925_start(struct ieee80211_hw *hw)
309{
310 struct mt792x_phy *phy = mt792x_hw_phy(hw);
311 int err;
312
313 mt792x_mutex_acquire(phy->dev);
314 err = __mt7925_start(phy);
315 mt792x_mutex_release(phy->dev);
316
317 return err;
318}
319
c948b5da
DW		 320static int
321mt7925_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
322{
323 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
324 struct mt792x_dev *dev = mt792x_hw_dev(hw);
325 struct mt792x_phy *phy = mt792x_hw_phy(hw);
326 struct mt76_txq *mtxq;
327 int idx, ret = 0;
328
329 mt792x_mutex_acquire(dev);
330
331 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask);
332 if (mvif->mt76.idx >= MT792x_MAX_INTERFACES) {
333 ret = -ENOSPC;
334 goto out;
335 }
336
337 mvif->mt76.omac_idx = mvif->mt76.idx;
338 mvif->phy = phy;
339 mvif->mt76.band_idx = 0;
340 mvif->mt76.wmm_idx = mvif->mt76.idx % MT76_CONNAC_MAX_WMM_SETS;
341
342 if (phy->mt76->chandef.chan->band != NL80211_BAND_2GHZ)
343 mvif->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL + 4;
344 else
345 mvif->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL;
346
347 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid,
348 true);
349 if (ret)
350 goto out;
351
352 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx);
353 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
354
355 idx = MT792x_WTBL_RESERVED - mvif->mt76.idx;
356
357 INIT_LIST_HEAD(&mvif->sta.wcid.poll_list);
358 mvif->sta.wcid.idx = idx;
359 mvif->sta.wcid.phy_idx = mvif->mt76.band_idx;
360 mvif->sta.wcid.hw_key_idx = -1;
361 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET;
362 mt76_wcid_init(&mvif->sta.wcid);
363
364 mt7925_mac_wtbl_update(dev, idx,
365 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
366
367 ewma_rssi_init(&mvif->rssi);
368
369 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
370 if (vif->txq) {
371 mtxq = (struct mt76_txq *)vif->txq->drv_priv;
372 mtxq->wcid = idx;
373 }
374
375 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
376out:
377 mt792x_mutex_release(dev);
378
379 return ret;
380}
381
382static void mt7925_roc_iter(void *priv, u8 *mac,
383 struct ieee80211_vif *vif)
384{
385 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
386 struct mt792x_phy *phy = priv;
387
388 mt7925_mcu_abort_roc(phy, mvif, phy->roc_token_id);
389}
390
391void mt7925_roc_work(struct work_struct *work)
392{
393 struct mt792x_phy *phy;
394
395 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy,
396 roc_work);
397
398 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
399 return;
400
401 mt792x_mutex_acquire(phy->dev);
402 ieee80211_iterate_active_interfaces(phy->mt76->hw,
403 IEEE80211_IFACE_ITER_RESUME_ALL,
404 mt7925_roc_iter, phy);
405 mt792x_mutex_release(phy->dev);
406 ieee80211_remain_on_channel_expired(phy->mt76->hw);
407}
408
409static int mt7925_abort_roc(struct mt792x_phy *phy, struct mt792x_vif *vif)
410{
411 int err = 0;
412
413 del_timer_sync(&phy->roc_timer);
414 cancel_work_sync(&phy->roc_work);
415
416 mt792x_mutex_acquire(phy->dev);
417 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
418 err = mt7925_mcu_abort_roc(phy, vif, phy->roc_token_id);
419 mt792x_mutex_release(phy->dev);
420
421 return err;
422}
423
424static int mt7925_set_roc(struct mt792x_phy *phy,
425 struct mt792x_vif *vif,
426 struct ieee80211_channel *chan,
427 int duration,
428 enum mt7925_roc_req type)
429{
430 int err;
431
432 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))
433 return -EBUSY;
434
435 phy->roc_grant = false;
436
437 err = mt7925_mcu_set_roc(phy, vif, chan, duration, type,
438 ++phy->roc_token_id);
439 if (err < 0) {
440 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
441 goto out;
442 }
443
444 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, 4 * HZ)) {
445 mt7925_mcu_abort_roc(phy, vif, phy->roc_token_id);
446 clear_bit(MT76_STATE_ROC, &phy->mt76->state);
447 err = -ETIMEDOUT;
448 }
449
450out:
451 return err;
452}
453
454static int mt7925_remain_on_channel(struct ieee80211_hw *hw,
455 struct ieee80211_vif *vif,
456 struct ieee80211_channel *chan,
457 int duration,
458 enum ieee80211_roc_type type)
459{
460 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
461 struct mt792x_phy *phy = mt792x_hw_phy(hw);
462 int err;
463
464 mt792x_mutex_acquire(phy->dev);
465 err = mt7925_set_roc(phy, mvif, chan, duration, MT7925_ROC_REQ_ROC);
466 mt792x_mutex_release(phy->dev);
467
468 return err;
469}
470
471static int mt7925_cancel_remain_on_channel(struct ieee80211_hw *hw,
472 struct ieee80211_vif *vif)
473{
474 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
475 struct mt792x_phy *phy = mt792x_hw_phy(hw);
476
477 return mt7925_abort_roc(phy, mvif);
478}
479
480static int mt7925_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
481 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
482 struct ieee80211_key_conf *key)
483{
484 struct mt792x_dev *dev = mt792x_hw_dev(hw);
485 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
486 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv :
487 &mvif->sta;
488 struct mt76_wcid *wcid = &msta->wcid;
489 u8 *wcid_keyidx = &wcid->hw_key_idx;
490 int idx = key->keyidx, err = 0;
491
492 /* The hardware does not support per-STA RX GTK, fallback
493 * to software mode for these.
494 */
495 if ((vif->type == NL80211_IFTYPE_ADHOC ||
496 vif->type == NL80211_IFTYPE_MESH_POINT) &&
497 (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
498 key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
499 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
500 return -EOPNOTSUPP;
501
502 /* fall back to sw encryption for unsupported ciphers */
503 switch (key->cipher) {
504 case WLAN_CIPHER_SUITE_AES_CMAC:
505 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
506 wcid_keyidx = &wcid->hw_key_idx2;
507 break;
508 case WLAN_CIPHER_SUITE_WEP40:
509 case WLAN_CIPHER_SUITE_WEP104:
510 if (!mvif->wep_sta)
511 return -EOPNOTSUPP;
512 break;
513 case WLAN_CIPHER_SUITE_TKIP:
514 case WLAN_CIPHER_SUITE_CCMP:
515 case WLAN_CIPHER_SUITE_CCMP_256:
516 case WLAN_CIPHER_SUITE_GCMP:
517 case WLAN_CIPHER_SUITE_GCMP_256:
518 case WLAN_CIPHER_SUITE_SMS4:
519 break;
520 default:
521 return -EOPNOTSUPP;
522 }
523
524 mt792x_mutex_acquire(dev);
525
526 if (cmd == SET_KEY && !mvif->mt76.cipher) {
527 struct mt792x_phy *phy = mt792x_hw_phy(hw);
528
529 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher);
530 mt7925_mcu_add_bss_info(phy, mvif->mt76.ctx, vif, sta, true);
531 }
532
533 if (cmd == SET_KEY)
534 *wcid_keyidx = idx;
535 else if (idx == *wcid_keyidx)
536 *wcid_keyidx = -1;
537 else
538 goto out;
539
540 mt76_wcid_key_setup(&dev->mt76, wcid,
541 cmd == SET_KEY ? key : NULL);
542
543 err = mt7925_mcu_add_key(&dev->mt76, vif, &msta->bip,
544 key, MCU_UNI_CMD(STA_REC_UPDATE),
545 &msta->wcid, cmd);
546
547 if (err)
548 goto out;
549
550 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 ||
551 key->cipher == WLAN_CIPHER_SUITE_WEP40)
552 err = mt7925_mcu_add_key(&dev->mt76, vif, &mvif->wep_sta->bip,
553 key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE),
554 &mvif->wep_sta->wcid, cmd);
555
556out:
557 mt792x_mutex_release(dev);
558
559 return err;
560}
561
562static void
563mt7925_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
564{
565 struct mt792x_dev *dev = priv;
566 struct ieee80211_hw *hw = mt76_hw(dev);
567 bool pm_enable = dev->pm.enable;
568 int err;
569
570 err = mt7925_mcu_set_beacon_filter(dev, vif, pm_enable);
571 if (err < 0)
572 return;
573
574 if (pm_enable) {
575 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
576 ieee80211_hw_set(hw, CONNECTION_MONITOR);
577 } else {
578 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER;
579 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags);
580 }
581}
582
583static void
584mt7925_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
585{
586 struct mt792x_dev *dev = priv;
587 struct ieee80211_hw *hw = mt76_hw(dev);
588 struct mt76_connac_pm *pm = &dev->pm;
589 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
590
591 mt7925_mcu_set_sniffer(dev, vif, monitor);
592 pm->enable = pm->enable_user && !monitor;
593 pm->ds_enable = pm->ds_enable_user && !monitor;
594
595 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable);
596
597 if (monitor)
598 mt7925_mcu_set_beacon_filter(dev, vif, false);
599}
600
601void mt7925_set_runtime_pm(struct mt792x_dev *dev)
602{
603 struct ieee80211_hw *hw = mt76_hw(dev);
604 struct mt76_connac_pm *pm = &dev->pm;
605 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
606
607 pm->enable = pm->enable_user && !monitor;
608 ieee80211_iterate_active_interfaces(hw,
609 IEEE80211_IFACE_ITER_RESUME_ALL,
610 mt7925_pm_interface_iter, dev);
611 pm->ds_enable = pm->ds_enable_user && !monitor;
612 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable);
613}
614
615static int mt7925_config(struct ieee80211_hw *hw, u32 changed)
616{
617 struct mt792x_dev *dev = mt792x_hw_dev(hw);
618 int ret = 0;
619
620 mt792x_mutex_acquire(dev);
621
622 if (changed & IEEE80211_CONF_CHANGE_POWER) {
623 ret = mt7925_set_tx_sar_pwr(hw, NULL);
624 if (ret)
625 goto out;
626 }
627
628 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
629 ieee80211_iterate_active_interfaces(hw,
630 IEEE80211_IFACE_ITER_RESUME_ALL,
631 mt7925_sniffer_interface_iter, dev);
632 }
633
634out:
635 mt792x_mutex_release(dev);
636
637 return ret;
638}
639
640static void mt7925_configure_filter(struct ieee80211_hw *hw,
641 unsigned int changed_flags,
642 unsigned int *total_flags,
643 u64 multicast)
644{
645#define MT7925_FILTER_FCSFAIL BIT(2)
646#define MT7925_FILTER_CONTROL BIT(5)
647#define MT7925_FILTER_OTHER_BSS BIT(6)
648#define MT7925_FILTER_ENABLE BIT(31)
649 struct mt792x_dev *dev = mt792x_hw_dev(hw);
650 u32 flags = MT7925_FILTER_ENABLE;
651
652#define MT7925_FILTER(_fif, _type) do { \
653 if (*total_flags & (_fif)) \
654 flags |= MT7925_FILTER_##_type; \
655 } while (0)
656
657 MT7925_FILTER(FIF_FCSFAIL, FCSFAIL);
658 MT7925_FILTER(FIF_CONTROL, CONTROL);
659 MT7925_FILTER(FIF_OTHER_BSS, OTHER_BSS);
660
661 mt792x_mutex_acquire(dev);
662 mt7925_mcu_set_rxfilter(dev, flags, 0, 0);
663 mt792x_mutex_release(dev);
664
665 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL);
666}
667
668static u8
669mt7925_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
670 bool beacon, bool mcast)
671{
672 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
673 struct mt76_phy *mphy = hw->priv;
674 u16 rate;
675 u8 i, idx, ht;
676
677 rate = mt76_connac2_mac_tx_rate_val(mphy, vif, beacon, mcast);
678 ht = FIELD_GET(MT_TX_RATE_MODE, rate) > MT_PHY_TYPE_OFDM;
679
680 if (beacon && ht) {
681 struct mt792x_dev *dev = mt792x_hw_dev(hw);
682
683 /* must odd index */
684 idx = MT7925_BEACON_RATES_TBL + 2 * (mvif->idx % 20);
685 mt7925_mac_set_fixed_rate_table(dev, idx, rate);
686 return idx;
687 }
688
689 idx = FIELD_GET(MT_TX_RATE_IDX, rate);
690 for (i = 0; i < ARRAY_SIZE(mt76_rates); i++)
691 if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx)
692 return MT792x_BASIC_RATES_TBL + i;
693
694 return mvif->basic_rates_idx;
695}
696
697static void mt7925_bss_info_changed(struct ieee80211_hw *hw,
698 struct ieee80211_vif *vif,
699 struct ieee80211_bss_conf *info,
700 u64 changed)
701{
702 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
703 struct mt792x_phy *phy = mt792x_hw_phy(hw);
704 struct mt792x_dev *dev = mt792x_hw_dev(hw);
705
706 mt792x_mutex_acquire(dev);
707
708 if (changed & BSS_CHANGED_ERP_SLOT) {
709 int slottime = info->use_short_slot ? 9 : 20;
710
711 if (slottime != phy->slottime) {
712 phy->slottime = slottime;
713 mt792x_mac_set_timeing(phy);
714 }
715 }
716
717 if (changed & BSS_CHANGED_MCAST_RATE)
718 mvif->mcast_rates_idx =
719 mt7925_get_rates_table(hw, vif, false, true);
720
721 if (changed & BSS_CHANGED_BASIC_RATES)
722 mvif->basic_rates_idx =
723 mt7925_get_rates_table(hw, vif, false, false);
724
725 if (changed & (BSS_CHANGED_BEACON |
726 BSS_CHANGED_BEACON_ENABLED)) {
727 mvif->beacon_rates_idx =
728 mt7925_get_rates_table(hw, vif, true, false);
729
730 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif,
731 info->enable_beacon);
732 }
733
734 /* ensure that enable txcmd_mode after bss_info */
735 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
736 mt7925_mcu_set_tx(dev, vif);
737
738 if (changed & BSS_CHANGED_PS)
739 mt7925_mcu_uni_bss_ps(dev, vif);
740
741 if (changed & BSS_CHANGED_ASSOC) {
742 mt7925_mcu_sta_update(dev, NULL, vif, true,
743 MT76_STA_INFO_STATE_ASSOC);
744 mt7925_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc);
745 }
746
747 if (changed & BSS_CHANGED_ARP_FILTER) {
748 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
749
750 mt7925_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, info);
751 }
752
753 mt792x_mutex_release(dev);
754}
755
756int mt7925_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
757 struct ieee80211_sta *sta)
758{
759 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
760 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
761 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
762 int ret, idx;
763
764 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1);
765 if (idx < 0)
766 return -ENOSPC;
767
768 INIT_LIST_HEAD(&msta->wcid.poll_list);
769 msta->vif = mvif;
770 msta->wcid.sta = 1;
771 msta->wcid.idx = idx;
772 msta->wcid.phy_idx = mvif->mt76.band_idx;
773 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
774 msta->last_txs = jiffies;
775
776 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm);
777 if (ret)
778 return ret;
779
780 if (vif->type == NL80211_IFTYPE_STATION)
781 mvif->wep_sta = msta;
782
783 mt7925_mac_wtbl_update(dev, idx,
784 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
785
786 /* should update bss info before STA add */
787 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
788 mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, sta,
789 false);
790
791 ret = mt7925_mcu_sta_update(dev, sta, vif, true,
792 MT76_STA_INFO_STATE_NONE);
793 if (ret)
794 return ret;
795
796 mt76_connac_power_save_sched(&dev->mphy, &dev->pm);
797
798 return 0;
799}
800EXPORT_SYMBOL_GPL(mt7925_mac_sta_add);
801
802void mt7925_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif,
803 struct ieee80211_sta *sta)
804{
805 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
806 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
807 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
808
809 mt792x_mutex_acquire(dev);
810
811 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
812 mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, sta,
813 true);
814
815 ewma_avg_signal_init(&msta->avg_ack_signal);
816
817 mt7925_mac_wtbl_update(dev, msta->wcid.idx,
818 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
819 memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac));
820
821 mt7925_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC);
822
823 mt792x_mutex_release(dev);
824}
825EXPORT_SYMBOL_GPL(mt7925_mac_sta_assoc);
826
827void mt7925_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
828 struct ieee80211_sta *sta)
829{
830 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
831 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
832
833 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
834 mt76_connac_pm_wake(&dev->mphy, &dev->pm);
835
836 mt7925_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE);
837 mt7925_mac_wtbl_update(dev, msta->wcid.idx,
838 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
839
840 if (vif->type == NL80211_IFTYPE_STATION) {
841 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
842
843 mvif->wep_sta = NULL;
844 ewma_rssi_init(&mvif->rssi);
845 if (!sta->tdls)
846 mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, sta,
847 false);
848 }
849
850 spin_lock_bh(&mdev->sta_poll_lock);
851 if (!list_empty(&msta->wcid.poll_list))
852 list_del_init(&msta->wcid.poll_list);
853 spin_unlock_bh(&mdev->sta_poll_lock);
854
855 mt76_connac_power_save_sched(&dev->mphy, &dev->pm);
856}
857EXPORT_SYMBOL_GPL(mt7925_mac_sta_remove);
858
859static int mt7925_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
860{
861 struct mt792x_dev *dev = mt792x_hw_dev(hw);
862
863 mt792x_mutex_acquire(dev);
864 mt7925_mcu_set_rts_thresh(&dev->phy, val);
865 mt792x_mutex_release(dev);
866
867 return 0;
868}
869
870static int
871mt7925_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
872 struct ieee80211_ampdu_params *params)
873{
874 enum ieee80211_ampdu_mlme_action action = params->action;
875 struct mt792x_dev *dev = mt792x_hw_dev(hw);
876 struct ieee80211_sta *sta = params->sta;
877 struct ieee80211_txq *txq = sta->txq[params->tid];
878 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
879 u16 tid = params->tid;
880 u16 ssn = params->ssn;
881 struct mt76_txq *mtxq;
882 int ret = 0;
883
884 if (!txq)
885 return -EINVAL;
886
887 mtxq = (struct mt76_txq *)txq->drv_priv;
888
889 mt792x_mutex_acquire(dev);
890 switch (action) {
891 case IEEE80211_AMPDU_RX_START:
892 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
893 params->buf_size);
894 mt7925_mcu_uni_rx_ba(dev, params, true);
895 break;
896 case IEEE80211_AMPDU_RX_STOP:
897 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
898 mt7925_mcu_uni_rx_ba(dev, params, false);
899 break;
900 case IEEE80211_AMPDU_TX_OPERATIONAL:
901 mtxq->aggr = true;
902 mtxq->send_bar = false;
903 mt7925_mcu_uni_tx_ba(dev, params, true);
904 break;
905 case IEEE80211_AMPDU_TX_STOP_FLUSH:
906 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
907 mtxq->aggr = false;
908 clear_bit(tid, &msta->wcid.ampdu_state);
909 mt7925_mcu_uni_tx_ba(dev, params, false);
910 break;
911 case IEEE80211_AMPDU_TX_START:
912 set_bit(tid, &msta->wcid.ampdu_state);
913 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
914 break;
915 case IEEE80211_AMPDU_TX_STOP_CONT:
916 mtxq->aggr = false;
917 clear_bit(tid, &msta->wcid.ampdu_state);
918 mt7925_mcu_uni_tx_ba(dev, params, false);
919 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
920 break;
921 }
922 mt792x_mutex_release(dev);
923
924 return ret;
925}
926
927static bool is_valid_alpha2(const char *alpha2)
928{
929 if (!alpha2)
930 return false;
931
932 if (alpha2[0] == '0' && alpha2[1] == '0')
933 return true;
934
935 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
936 return true;
937
938 return false;
939}
940
941void mt7925_scan_work(struct work_struct *work)
942{
943 struct mt792x_phy *phy;
944
945 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy,
946 scan_work.work);
947
948 while (true) {
949 struct mt76_dev *mdev = &phy->dev->mt76;
950 struct sk_buff *skb;
951 struct tlv *tlv;
952 int tlv_len;
953
954 spin_lock_bh(&phy->dev->mt76.lock);
955 skb = __skb_dequeue(&phy->scan_event_list);
956 spin_unlock_bh(&phy->dev->mt76.lock);
957
958 if (!skb)
959 break;
960
961 skb_pull(skb, sizeof(struct mt7925_mcu_rxd) + 4);
962 tlv = (struct tlv *)skb->data;
963 tlv_len = skb->len;
964
965 while (tlv_len > 0 && le16_to_cpu(tlv->len) <= tlv_len) {
966 struct mt7925_mcu_scan_chinfo_event *evt;
967
968 switch (le16_to_cpu(tlv->tag)) {
969 case UNI_EVENT_SCAN_DONE_BASIC:
970 if (test_and_clear_bit(MT76_HW_SCANNING, &phy->mt76->state)) {
971 struct cfg80211_scan_info info = {
972 .aborted = false,
973 };
974 ieee80211_scan_completed(phy->mt76->hw, &info);
975 }
976 break;
977 case UNI_EVENT_SCAN_DONE_CHNLINFO:
978 evt = (struct mt7925_mcu_scan_chinfo_event *)tlv->data;
979
980 if (!is_valid_alpha2(evt->alpha2))
981 break;
982
983 if (mdev->alpha2[0] != '0' && mdev->alpha2[1] != '0')
984 break;
985
986 mt7925_mcu_set_clc(phy->dev, evt->alpha2, ENVIRON_INDOOR);
987
988 break;
989 case UNI_EVENT_SCAN_DONE_NLO:
990 ieee80211_sched_scan_results(phy->mt76->hw);
991 break;
992 default:
993 break;
994 }
995
996 tlv_len -= le16_to_cpu(tlv->len);
997 tlv = (struct tlv *)((char *)(tlv) + le16_to_cpu(tlv->len));
998 }
999
1000 dev_kfree_skb(skb);
1001 }
1002}
1003
1004static int
1005mt7925_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1006 struct ieee80211_scan_request *req)
1007{
1008 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1009 struct mt76_phy *mphy = hw->priv;
1010 int err;
1011
1012 mt792x_mutex_acquire(dev);
1013 err = mt7925_mcu_hw_scan(mphy, vif, req);
1014 mt792x_mutex_release(dev);
1015
1016 return err;
1017}
1018
1019static void
1020mt7925_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1021{
1022 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1023 struct mt76_phy *mphy = hw->priv;
1024
1025 mt792x_mutex_acquire(dev);
1026 mt7925_mcu_cancel_hw_scan(mphy, vif);
1027 mt792x_mutex_release(dev);
1028}
1029
1030static int
1031mt7925_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1032 struct cfg80211_sched_scan_request *req,
1033 struct ieee80211_scan_ies *ies)
1034{
1035 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1036 struct mt76_phy *mphy = hw->priv;
1037 int err;
1038
1039 mt792x_mutex_acquire(dev);
1040
1041 err = mt7925_mcu_sched_scan_req(mphy, vif, req);
1042 if (err < 0)
1043 goto out;
1044
1045 err = mt7925_mcu_sched_scan_enable(mphy, vif, true);
1046out:
1047 mt792x_mutex_release(dev);
1048
1049 return err;
1050}
1051
1052static int
1053mt7925_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1054{
1055 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1056 struct mt76_phy *mphy = hw->priv;
1057 int err;
1058
1059 mt792x_mutex_acquire(dev);
1060 err = mt7925_mcu_sched_scan_enable(mphy, vif, false);
1061 mt792x_mutex_release(dev);
1062
1063 return err;
1064}
1065
1066static int
1067mt7925_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
1068{
1069 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1070 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1071 int max_nss = hweight8(hw->wiphy->available_antennas_tx);
1072
1073 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
1074 return -EINVAL;
1075
1076 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
1077 tx_ant = BIT(ffs(tx_ant) - 1) - 1;
1078
1079 mt792x_mutex_acquire(dev);
1080
1081 phy->mt76->antenna_mask = tx_ant;
1082 phy->mt76->chainmask = tx_ant;
1083
1084 mt76_set_stream_caps(phy->mt76, true);
1085 mt7925_set_stream_he_eht_caps(phy);
1086
1087 /* TODO: update bmc_wtbl spe_idx when antenna changes */
1088 mt792x_mutex_release(dev);
1089
1090 return 0;
1091}
1092
1093#ifdef CONFIG_PM
1094static int mt7925_suspend(struct ieee80211_hw *hw,
1095 struct cfg80211_wowlan *wowlan)
1096{
1097 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1098 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1099
1100 cancel_delayed_work_sync(&phy->scan_work);
1101 cancel_delayed_work_sync(&phy->mt76->mac_work);
1102
1103 cancel_delayed_work_sync(&dev->pm.ps_work);
1104 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
1105
1106 mt792x_mutex_acquire(dev);
1107
1108 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1109 ieee80211_iterate_active_interfaces(hw,
1110 IEEE80211_IFACE_ITER_RESUME_ALL,
1111 mt7925_mcu_set_suspend_iter,
1112 &dev->mphy);
1113
1114 mt792x_mutex_release(dev);
1115
1116 return 0;
1117}
1118
1119static int mt7925_resume(struct ieee80211_hw *hw)
1120{
1121 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1122 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1123
1124 mt792x_mutex_acquire(dev);
1125
1126 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1127 ieee80211_iterate_active_interfaces(hw,
1128 IEEE80211_IFACE_ITER_RESUME_ALL,
1129 mt7925_mcu_set_suspend_iter,
1130 &dev->mphy);
1131
1132 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
1133 MT792x_WATCHDOG_TIME);
1134
1135 mt792x_mutex_release(dev);
1136
1137 return 0;
1138}
1139
1140static void mt7925_set_rekey_data(struct ieee80211_hw *hw,
1141 struct ieee80211_vif *vif,
1142 struct cfg80211_gtk_rekey_data *data)
1143{
1144 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1145
1146 mt792x_mutex_acquire(dev);
1147 mt76_connac_mcu_update_gtk_rekey(hw, vif, data);
1148 mt792x_mutex_release(dev);
1149}
1150#endif /* CONFIG_PM */
1151
1152static void mt7925_sta_set_decap_offload(struct ieee80211_hw *hw,
1153 struct ieee80211_vif *vif,
1154 struct ieee80211_sta *sta,
1155 bool enabled)
1156{
1157 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
1158 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1159
1160 mt792x_mutex_acquire(dev);
1161
1162 if (enabled)
1163 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1164 else
1165 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1166
1167 mt7925_mcu_wtbl_update_hdr_trans(dev, vif, sta);
1168
1169 mt792x_mutex_release(dev);
1170}
1171
1172#if IS_ENABLED(CONFIG_IPV6)
1173static void mt7925_ipv6_addr_change(struct ieee80211_hw *hw,
1174 struct ieee80211_vif *vif,
1175 struct inet6_dev *idev)
1176{
1177 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1178 struct mt792x_dev *dev = mvif->phy->dev;
1179 struct inet6_ifaddr *ifa;
1180 struct sk_buff *skb;
1181 u8 idx = 0;
1182
1183 struct {
1184 struct {
1185 u8 bss_idx;
1186 u8 pad[3];
1187 } __packed hdr;
1188 struct mt7925_arpns_tlv arpns;
1189 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN];
1190 } req_hdr = {
1191 .hdr = {
1192 .bss_idx = mvif->mt76.idx,
1193 },
1194 .arpns = {
1195 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND),
1196 .len = cpu_to_le16(sizeof(req_hdr) - 4),
1197 .enable = true,
1198 },
1199 };
1200
1201 read_lock_bh(&idev->lock);
1202 list_for_each_entry(ifa, &idev->addr_list, if_list) {
1203 if (ifa->flags & IFA_F_TENTATIVE)
1204 continue;
1205 req_hdr.ns_addrs[idx] = ifa->addr;
1206 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN)
1207 break;
1208 }
1209 read_unlock_bh(&idev->lock);
1210
1211 if (!idx)
1212 return;
1213
1214 req_hdr.arpns.ips_num = idx;
1215
1216 skb = __mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req_hdr),
1217 0, GFP_ATOMIC);
1218 if (!skb)
1219 return;
1220
1221 skb_put_data(skb, &req_hdr, sizeof(req_hdr));
1222
1223 skb_queue_tail(&dev->ipv6_ns_list, skb);
1224
1225 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work);
1226}
1227#endif
1228
1229int mt7925_set_tx_sar_pwr(struct ieee80211_hw *hw,
1230 const struct cfg80211_sar_specs *sar)
1231{
1232 struct mt76_phy *mphy = hw->priv;
1233
1234 if (sar) {
1235 int err = mt76_init_sar_power(hw, sar);
1236
1237 if (err)
1238 return err;
1239 }
1240 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar);
1241
1242 return mt7925_mcu_set_rate_txpower(mphy);
1243}
1244
1245static int mt7925_set_sar_specs(struct ieee80211_hw *hw,
1246 const struct cfg80211_sar_specs *sar)
1247{
1248 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1249 int err;
1250
1251 mt792x_mutex_acquire(dev);
1252 err = mt7925_mcu_set_clc(dev, dev->mt76.alpha2,
1253 dev->country_ie_env);
1254 if (err < 0)
1255 goto out;
1256
1257 err = mt7925_set_tx_sar_pwr(hw, sar);
1258out:
1259 mt792x_mutex_release(dev);
1260
1261 return err;
1262}
1263
1264static void
1265mt7925_channel_switch_beacon(struct ieee80211_hw *hw,
1266 struct ieee80211_vif *vif,
1267 struct cfg80211_chan_def *chandef)
1268{
1269 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1270
1271 mt792x_mutex_acquire(dev);
1272 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, true);
1273 mt792x_mutex_release(dev);
1274}
1275
1276static int
1277mt7925_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1278 struct ieee80211_bss_conf *link_conf)
1279{
1280 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1281 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1282 int err;
1283
1284 mt792x_mutex_acquire(dev);
1285
1286 err = mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, NULL,
1287 true);
1288 if (err)
1289 goto out;
1290
1291 err = mt7925_mcu_set_bss_pm(dev, vif, true);
1292 if (err)
1293 goto out;
1294
1295 err = mt7925_mcu_sta_update(dev, NULL, vif, true,
1296 MT76_STA_INFO_STATE_NONE);
1297out:
1298 mt792x_mutex_release(dev);
1299
1300 return err;
1301}
1302
1303static void
1304mt7925_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1305 struct ieee80211_bss_conf *link_conf)
1306{
1307 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1308 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1309 int err;
1310
1311 mt792x_mutex_acquire(dev);
1312
1313 err = mt7925_mcu_set_bss_pm(dev, vif, false);
1314 if (err)
1315 goto out;
1316
1317 mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, NULL,
1318 false);
1319
1320out:
1321 mt792x_mutex_release(dev);
1322}
1323
1324static int
1325mt7925_add_chanctx(struct ieee80211_hw *hw,
1326 struct ieee80211_chanctx_conf *ctx)
1327{
1328 return 0;
1329}
1330
1331static void
1332mt7925_remove_chanctx(struct ieee80211_hw *hw,
1333 struct ieee80211_chanctx_conf *ctx)
1334{
1335}
1336
1337static void mt7925_ctx_iter(void *priv, u8 *mac,
1338 struct ieee80211_vif *vif)
1339{
1340 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1341 struct ieee80211_chanctx_conf *ctx = priv;
1342
1343 if (ctx != mvif->mt76.ctx)
1344 return;
1345
1346 if (vif->type == NL80211_IFTYPE_MONITOR) {
1347 mt7925_mcu_set_sniffer(mvif->phy->dev, vif, true);
1348 mt7925_mcu_config_sniffer(mvif, ctx);
1349 } else {
1350 mt7925_mcu_set_chctx(mvif->phy->mt76, &mvif->mt76, ctx);
1351 }
1352}
1353
1354static void
1355mt7925_change_chanctx(struct ieee80211_hw *hw,
1356 struct ieee80211_chanctx_conf *ctx,
1357 u32 changed)
1358{
1359 struct mt792x_phy *phy = mt792x_hw_phy(hw);
1360
1361 mt792x_mutex_acquire(phy->dev);
1362 ieee80211_iterate_active_interfaces(phy->mt76->hw,
1363 IEEE80211_IFACE_ITER_ACTIVE,
1364 mt7925_ctx_iter, ctx);
1365 mt792x_mutex_release(phy->dev);
1366}
1367
1368static void mt7925_mgd_prepare_tx(struct ieee80211_hw *hw,
1369 struct ieee80211_vif *vif,
1370 struct ieee80211_prep_tx_info *info)
1371{
1372 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1373 struct mt792x_dev *dev = mt792x_hw_dev(hw);
1374 u16 duration = info->duration ? info->duration :
1375 jiffies_to_msecs(HZ);
1376
1377 mt792x_mutex_acquire(dev);
1378 mt7925_set_roc(mvif->phy, mvif, mvif->mt76.ctx->def.chan, duration,
1379 MT7925_ROC_REQ_JOIN);
1380 mt792x_mutex_release(dev);
1381}
1382
1383static void mt7925_mgd_complete_tx(struct ieee80211_hw *hw,
1384 struct ieee80211_vif *vif,
1385 struct ieee80211_prep_tx_info *info)
1386{
1387 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
1388
1389 mt7925_abort_roc(mvif->phy, mvif);
1390}
1391
1392const struct ieee80211_ops mt7925_ops = {
1393 .tx = mt792x_tx,
1394 .start = mt7925_start,
5ab7d466 1395 .stop = mt792x_stop,
c948b5da
DW		 1396 .add_interface = mt7925_add_interface,
1397 .remove_interface = mt792x_remove_interface,
1398 .config = mt7925_config,
1399 .conf_tx = mt792x_conf_tx,
1400 .configure_filter = mt7925_configure_filter,
1401 .bss_info_changed = mt7925_bss_info_changed,
1402 .start_ap = mt7925_start_ap,
1403 .stop_ap = mt7925_stop_ap,
1404 .sta_state = mt76_sta_state,
1405 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
1406 .set_key = mt7925_set_key,
1407 .sta_set_decap_offload = mt7925_sta_set_decap_offload,
1408#if IS_ENABLED(CONFIG_IPV6)
1409 .ipv6_addr_change = mt7925_ipv6_addr_change,
1410#endif /* CONFIG_IPV6 */
1411 .ampdu_action = mt7925_ampdu_action,
1412 .set_rts_threshold = mt7925_set_rts_threshold,
1413 .wake_tx_queue = mt76_wake_tx_queue,
1414 .release_buffered_frames = mt76_release_buffered_frames,
1415 .channel_switch_beacon = mt7925_channel_switch_beacon,
1416 .get_txpower = mt76_get_txpower,
1417 .get_stats = mt792x_get_stats,
1418 .get_et_sset_count = mt792x_get_et_sset_count,
1419 .get_et_strings = mt792x_get_et_strings,
1420 .get_et_stats = mt792x_get_et_stats,
1421 .get_tsf = mt792x_get_tsf,
1422 .set_tsf = mt792x_set_tsf,
1423 .get_survey = mt76_get_survey,
1424 .get_antenna = mt76_get_antenna,
1425 .set_antenna = mt7925_set_antenna,
1426 .set_coverage_class = mt792x_set_coverage_class,
1427 .hw_scan = mt7925_hw_scan,
1428 .cancel_hw_scan = mt7925_cancel_hw_scan,
1429 .sta_statistics = mt792x_sta_statistics,
1430 .sched_scan_start = mt7925_start_sched_scan,
1431 .sched_scan_stop = mt7925_stop_sched_scan,
1432#ifdef CONFIG_PM
1433 .suspend = mt7925_suspend,
1434 .resume = mt7925_resume,
1435 .set_wakeup = mt792x_set_wakeup,
1436 .set_rekey_data = mt7925_set_rekey_data,
1437#endif /* CONFIG_PM */
1438 .flush = mt792x_flush,
1439 .set_sar_specs = mt7925_set_sar_specs,
1440 .remain_on_channel = mt7925_remain_on_channel,
1441 .cancel_remain_on_channel = mt7925_cancel_remain_on_channel,
1442 .add_chanctx = mt7925_add_chanctx,
1443 .remove_chanctx = mt7925_remove_chanctx,
1444 .change_chanctx = mt7925_change_chanctx,
1445 .assign_vif_chanctx = mt792x_assign_vif_chanctx,
1446 .unassign_vif_chanctx = mt792x_unassign_vif_chanctx,
1447 .mgd_prepare_tx = mt7925_mgd_prepare_tx,
1448 .mgd_complete_tx = mt7925_mgd_complete_tx,
1449};
1450EXPORT_SYMBOL_GPL(mt7925_ops);
1451
1452MODULE_AUTHOR("Deren Wu <deren.wu@mediatek.com>");
f3f8f050 1453MODULE_DESCRIPTION("MediaTek MT7925 core driver");
c948b5da 1454MODULE_LICENSE("Dual BSD/GPL");
Linux 6.x block layer and io_uring tree(s)