developer | 0f312e8 | 2022-11-01 12:31:52 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: ISC |
| 2 | /* Copyright (C) 2020 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 <net/ipv6.h> |
| 9 | #include "mt7921.h" |
| 10 | #include "mcu.h" |
| 11 | |
| 12 | static void |
| 13 | mt7921_gen_ppe_thresh(u8 *he_ppet, int nss) |
| 14 | { |
| 15 | u8 i, ppet_bits, ppet_size, ru_bit_mask = 0x7; /* HE80 */ |
| 16 | static const u8 ppet16_ppet8_ru3_ru0[] = {0x1c, 0xc7, 0x71}; |
| 17 | |
| 18 | he_ppet[0] = FIELD_PREP(IEEE80211_PPE_THRES_NSS_MASK, nss - 1) | |
| 19 | FIELD_PREP(IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK, |
| 20 | ru_bit_mask); |
| 21 | |
| 22 | ppet_bits = IEEE80211_PPE_THRES_INFO_PPET_SIZE * |
| 23 | nss * hweight8(ru_bit_mask) * 2; |
| 24 | ppet_size = DIV_ROUND_UP(ppet_bits, 8); |
| 25 | |
| 26 | for (i = 0; i < ppet_size - 1; i++) |
| 27 | he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3]; |
| 28 | |
| 29 | he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3] & |
| 30 | (0xff >> (8 - (ppet_bits - 1) % 8)); |
| 31 | } |
| 32 | |
| 33 | static int |
| 34 | mt7921_init_he_caps(struct mt7921_phy *phy, enum nl80211_band band, |
| 35 | struct ieee80211_sband_iftype_data *data) |
| 36 | { |
| 37 | int i, idx = 0; |
| 38 | int nss = hweight8(phy->mt76->chainmask); |
| 39 | u16 mcs_map = 0; |
| 40 | |
| 41 | for (i = 0; i < 8; i++) { |
| 42 | if (i < nss) |
| 43 | mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2)); |
| 44 | else |
| 45 | mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2)); |
| 46 | } |
| 47 | |
| 48 | for (i = 0; i < NUM_NL80211_IFTYPES; i++) { |
| 49 | struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap; |
| 50 | struct ieee80211_he_cap_elem *he_cap_elem = |
| 51 | &he_cap->he_cap_elem; |
| 52 | struct ieee80211_he_mcs_nss_supp *he_mcs = |
| 53 | &he_cap->he_mcs_nss_supp; |
| 54 | |
| 55 | switch (i) { |
| 56 | case NL80211_IFTYPE_STATION: |
| 57 | case NL80211_IFTYPE_AP: |
| 58 | break; |
| 59 | default: |
| 60 | continue; |
| 61 | } |
| 62 | |
| 63 | data[idx].types_mask = BIT(i); |
| 64 | he_cap->has_he = true; |
| 65 | |
| 66 | he_cap_elem->mac_cap_info[0] = |
| 67 | IEEE80211_HE_MAC_CAP0_HTC_HE; |
| 68 | he_cap_elem->mac_cap_info[3] = |
| 69 | IEEE80211_HE_MAC_CAP3_OMI_CONTROL | |
| 70 | IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3; |
| 71 | he_cap_elem->mac_cap_info[4] = |
| 72 | IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU; |
| 73 | |
| 74 | if (band == NL80211_BAND_2GHZ) |
| 75 | he_cap_elem->phy_cap_info[0] = |
| 76 | IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; |
| 77 | else |
| 78 | he_cap_elem->phy_cap_info[0] = |
| 79 | IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G; |
| 80 | |
| 81 | he_cap_elem->phy_cap_info[1] = |
| 82 | IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD; |
| 83 | he_cap_elem->phy_cap_info[2] = |
| 84 | IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US | |
| 85 | IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ | |
| 86 | IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ | |
| 87 | IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO | |
| 88 | IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO; |
| 89 | |
| 90 | switch (i) { |
| 91 | case NL80211_IFTYPE_AP: |
| 92 | he_cap_elem->mac_cap_info[2] |= |
| 93 | IEEE80211_HE_MAC_CAP2_BSR; |
| 94 | he_cap_elem->mac_cap_info[4] |= |
| 95 | IEEE80211_HE_MAC_CAP4_BQR; |
| 96 | he_cap_elem->mac_cap_info[5] |= |
| 97 | IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX; |
| 98 | he_cap_elem->phy_cap_info[3] |= |
| 99 | IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | |
| 100 | IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; |
| 101 | he_cap_elem->phy_cap_info[6] |= |
| 102 | IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | |
| 103 | IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; |
| 104 | he_cap_elem->phy_cap_info[9] |= |
| 105 | IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | |
| 106 | IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU; |
| 107 | break; |
| 108 | case NL80211_IFTYPE_STATION: |
| 109 | he_cap_elem->mac_cap_info[1] |= |
| 110 | IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US; |
| 111 | |
| 112 | if (band == NL80211_BAND_2GHZ) |
| 113 | he_cap_elem->phy_cap_info[0] |= |
| 114 | IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G; |
| 115 | else |
| 116 | he_cap_elem->phy_cap_info[0] |= |
| 117 | IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G; |
| 118 | |
| 119 | he_cap_elem->phy_cap_info[1] |= |
| 120 | IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A | |
| 121 | IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US; |
| 122 | he_cap_elem->phy_cap_info[3] |= |
| 123 | IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | |
| 124 | IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; |
| 125 | he_cap_elem->phy_cap_info[4] |= |
| 126 | IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE | |
| 127 | IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4; |
| 128 | he_cap_elem->phy_cap_info[5] |= |
| 129 | IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK | |
| 130 | IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK; |
| 131 | he_cap_elem->phy_cap_info[6] |= |
| 132 | IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU | |
| 133 | IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU | |
| 134 | IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB | |
| 135 | IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | |
| 136 | IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; |
| 137 | he_cap_elem->phy_cap_info[7] |= |
| 138 | IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP | |
| 139 | IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI; |
| 140 | he_cap_elem->phy_cap_info[8] |= |
| 141 | IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G | |
| 142 | IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484; |
| 143 | he_cap_elem->phy_cap_info[9] |= |
| 144 | IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM | |
| 145 | IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK | |
| 146 | IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | |
| 147 | IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU | |
| 148 | IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB | |
| 149 | IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB; |
| 150 | |
| 151 | if (is_mt7922(phy->mt76->dev)) { |
| 152 | he_cap_elem->phy_cap_info[0] |= |
| 153 | IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G; |
| 154 | he_cap_elem->phy_cap_info[8] |= |
| 155 | IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU | |
| 156 | IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU; |
| 157 | } |
| 158 | break; |
| 159 | } |
| 160 | |
| 161 | he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map); |
| 162 | he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map); |
| 163 | if (is_mt7922(phy->mt76->dev)) { |
| 164 | he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map); |
| 165 | he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map); |
| 166 | } |
| 167 | |
| 168 | memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres)); |
| 169 | if (he_cap_elem->phy_cap_info[6] & |
| 170 | IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { |
| 171 | mt7921_gen_ppe_thresh(he_cap->ppe_thres, nss); |
| 172 | } else { |
| 173 | he_cap_elem->phy_cap_info[9] |= |
| 174 | IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US; |
| 175 | } |
| 176 | |
| 177 | if (band == NL80211_BAND_6GHZ) { |
| 178 | struct ieee80211_supported_band *sband = |
| 179 | &phy->mt76->sband_5g.sband; |
| 180 | struct ieee80211_sta_vht_cap *vht_cap = &sband->vht_cap; |
| 181 | struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap; |
| 182 | u32 exp; |
| 183 | u16 cap; |
| 184 | |
| 185 | cap = u16_encode_bits(ht_cap->ampdu_density, |
| 186 | IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START); |
| 187 | exp = u32_get_bits(vht_cap->cap, |
| 188 | IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK); |
| 189 | cap |= u16_encode_bits(exp, |
| 190 | IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP); |
| 191 | exp = u32_get_bits(vht_cap->cap, |
| 192 | IEEE80211_VHT_CAP_MAX_MPDU_MASK); |
| 193 | cap |= u16_encode_bits(exp, |
| 194 | IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN); |
| 195 | if (vht_cap->cap & IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN) |
| 196 | cap |= IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS; |
| 197 | if (vht_cap->cap & IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN) |
| 198 | cap |= IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS; |
| 199 | |
| 200 | data[idx].he_6ghz_capa.capa = cpu_to_le16(cap); |
| 201 | } |
| 202 | idx++; |
| 203 | } |
| 204 | |
| 205 | return idx; |
| 206 | } |
| 207 | |
| 208 | void mt7921_set_stream_he_caps(struct mt7921_phy *phy) |
| 209 | { |
| 210 | struct ieee80211_sband_iftype_data *data; |
| 211 | struct ieee80211_supported_band *band; |
| 212 | int n; |
| 213 | |
| 214 | if (phy->mt76->cap.has_2ghz) { |
| 215 | data = phy->iftype[NL80211_BAND_2GHZ]; |
| 216 | n = mt7921_init_he_caps(phy, NL80211_BAND_2GHZ, data); |
| 217 | |
| 218 | band = &phy->mt76->sband_2g.sband; |
| 219 | band->iftype_data = data; |
| 220 | band->n_iftype_data = n; |
| 221 | } |
| 222 | |
| 223 | if (phy->mt76->cap.has_5ghz) { |
| 224 | data = phy->iftype[NL80211_BAND_5GHZ]; |
| 225 | n = mt7921_init_he_caps(phy, NL80211_BAND_5GHZ, data); |
| 226 | |
| 227 | band = &phy->mt76->sband_5g.sband; |
| 228 | band->iftype_data = data; |
| 229 | band->n_iftype_data = n; |
| 230 | |
| 231 | if (phy->mt76->cap.has_6ghz) { |
| 232 | data = phy->iftype[NL80211_BAND_6GHZ]; |
| 233 | n = mt7921_init_he_caps(phy, NL80211_BAND_6GHZ, data); |
| 234 | |
| 235 | band = &phy->mt76->sband_6g.sband; |
| 236 | band->iftype_data = data; |
| 237 | band->n_iftype_data = n; |
| 238 | } |
| 239 | } |
| 240 | } |
| 241 | |
| 242 | int __mt7921_start(struct mt7921_phy *phy) |
| 243 | { |
| 244 | struct mt76_phy *mphy = phy->mt76; |
| 245 | int err; |
| 246 | |
| 247 | err = mt76_connac_mcu_set_mac_enable(mphy->dev, 0, true, false); |
| 248 | if (err) |
| 249 | return err; |
| 250 | |
| 251 | err = mt76_connac_mcu_set_channel_domain(mphy); |
| 252 | if (err) |
| 253 | return err; |
| 254 | |
| 255 | err = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH)); |
| 256 | if (err) |
| 257 | return err; |
| 258 | |
| 259 | err = mt7921_set_tx_sar_pwr(mphy->hw, NULL); |
| 260 | if (err) |
| 261 | return err; |
| 262 | |
| 263 | mt7921_mac_reset_counters(phy); |
| 264 | set_bit(MT76_STATE_RUNNING, &mphy->state); |
| 265 | |
| 266 | ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work, |
| 267 | MT7921_WATCHDOG_TIME); |
| 268 | |
| 269 | return 0; |
| 270 | } |
| 271 | EXPORT_SYMBOL_GPL(__mt7921_start); |
| 272 | |
| 273 | static int mt7921_start(struct ieee80211_hw *hw) |
| 274 | { |
| 275 | struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| 276 | int err; |
| 277 | |
| 278 | mt7921_mutex_acquire(phy->dev); |
| 279 | err = __mt7921_start(phy); |
| 280 | mt7921_mutex_release(phy->dev); |
| 281 | |
| 282 | return err; |
| 283 | } |
| 284 | |
| 285 | void mt7921_stop(struct ieee80211_hw *hw) |
| 286 | { |
| 287 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 288 | struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| 289 | |
| 290 | cancel_delayed_work_sync(&phy->mt76->mac_work); |
| 291 | |
| 292 | cancel_delayed_work_sync(&dev->pm.ps_work); |
| 293 | cancel_work_sync(&dev->pm.wake_work); |
| 294 | cancel_work_sync(&dev->reset_work); |
| 295 | mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); |
| 296 | |
| 297 | mt7921_mutex_acquire(dev); |
| 298 | clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); |
| 299 | mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false); |
| 300 | mt7921_mutex_release(dev); |
| 301 | } |
| 302 | EXPORT_SYMBOL_GPL(mt7921_stop); |
| 303 | |
| 304 | static int mt7921_add_interface(struct ieee80211_hw *hw, |
| 305 | struct ieee80211_vif *vif) |
| 306 | { |
| 307 | struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| 308 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 309 | struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| 310 | struct mt76_txq *mtxq; |
| 311 | int idx, ret = 0; |
| 312 | |
| 313 | mt7921_mutex_acquire(dev); |
| 314 | |
| 315 | mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask); |
| 316 | if (mvif->mt76.idx >= MT7921_MAX_INTERFACES) { |
| 317 | ret = -ENOSPC; |
| 318 | goto out; |
| 319 | } |
| 320 | |
| 321 | mvif->mt76.omac_idx = mvif->mt76.idx; |
| 322 | mvif->phy = phy; |
| 323 | mvif->mt76.band_idx = 0; |
| 324 | mvif->mt76.wmm_idx = mvif->mt76.idx % MT76_CONNAC_MAX_WMM_SETS; |
| 325 | |
| 326 | ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, |
| 327 | true); |
| 328 | if (ret) |
| 329 | goto out; |
| 330 | |
| 331 | dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx); |
| 332 | phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); |
| 333 | |
| 334 | idx = MT7921_WTBL_RESERVED - mvif->mt76.idx; |
| 335 | |
| 336 | INIT_LIST_HEAD(&mvif->sta.poll_list); |
| 337 | mvif->sta.wcid.idx = idx; |
| 338 | mvif->sta.wcid.phy_idx = mvif->mt76.band_idx; |
| 339 | mvif->sta.wcid.hw_key_idx = -1; |
| 340 | mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; |
| 341 | mt76_packet_id_init(&mvif->sta.wcid); |
| 342 | |
| 343 | mt7921_mac_wtbl_update(dev, idx, |
| 344 | MT_WTBL_UPDATE_ADM_COUNT_CLEAR); |
| 345 | |
| 346 | ewma_rssi_init(&mvif->rssi); |
| 347 | |
| 348 | rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); |
| 349 | if (vif->txq) { |
| 350 | mtxq = (struct mt76_txq *)vif->txq->drv_priv; |
| 351 | mtxq->wcid = idx; |
| 352 | } |
| 353 | |
| 354 | vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; |
| 355 | out: |
| 356 | mt7921_mutex_release(dev); |
| 357 | |
| 358 | return ret; |
| 359 | } |
| 360 | |
| 361 | static void mt7921_remove_interface(struct ieee80211_hw *hw, |
| 362 | struct ieee80211_vif *vif) |
| 363 | { |
| 364 | struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| 365 | struct mt7921_sta *msta = &mvif->sta; |
| 366 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 367 | struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| 368 | int idx = msta->wcid.idx; |
| 369 | |
| 370 | mt7921_mutex_acquire(dev); |
| 371 | mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); |
| 372 | mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, false); |
| 373 | |
| 374 | rcu_assign_pointer(dev->mt76.wcid[idx], NULL); |
| 375 | |
| 376 | dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx); |
| 377 | phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); |
| 378 | mt7921_mutex_release(dev); |
| 379 | |
| 380 | spin_lock_bh(&dev->sta_poll_lock); |
| 381 | if (!list_empty(&msta->poll_list)) |
| 382 | list_del_init(&msta->poll_list); |
| 383 | spin_unlock_bh(&dev->sta_poll_lock); |
| 384 | |
| 385 | mt76_packet_id_flush(&dev->mt76, &msta->wcid); |
| 386 | } |
| 387 | |
| 388 | static int mt7921_set_channel(struct mt7921_phy *phy) |
| 389 | { |
| 390 | struct mt7921_dev *dev = phy->dev; |
| 391 | int ret; |
| 392 | |
| 393 | cancel_delayed_work_sync(&phy->mt76->mac_work); |
| 394 | |
| 395 | mt7921_mutex_acquire(dev); |
| 396 | set_bit(MT76_RESET, &phy->mt76->state); |
| 397 | |
| 398 | mt76_set_channel(phy->mt76); |
| 399 | |
| 400 | ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); |
| 401 | if (ret) |
| 402 | goto out; |
| 403 | |
| 404 | mt7921_mac_set_timing(phy); |
| 405 | |
| 406 | mt7921_mac_reset_counters(phy); |
| 407 | phy->noise = 0; |
| 408 | |
| 409 | out: |
| 410 | clear_bit(MT76_RESET, &phy->mt76->state); |
| 411 | mt7921_mutex_release(dev); |
| 412 | |
| 413 | mt76_worker_schedule(&dev->mt76.tx_worker); |
| 414 | ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mt76->mac_work, |
| 415 | MT7921_WATCHDOG_TIME); |
| 416 | |
| 417 | return ret; |
| 418 | } |
| 419 | |
| 420 | static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
| 421 | struct ieee80211_vif *vif, struct ieee80211_sta *sta, |
| 422 | struct ieee80211_key_conf *key) |
| 423 | { |
| 424 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 425 | struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| 426 | struct mt7921_sta *msta = sta ? (struct mt7921_sta *)sta->drv_priv : |
| 427 | &mvif->sta; |
| 428 | struct mt76_wcid *wcid = &msta->wcid; |
| 429 | u8 *wcid_keyidx = &wcid->hw_key_idx; |
| 430 | int idx = key->keyidx, err = 0; |
| 431 | |
| 432 | /* The hardware does not support per-STA RX GTK, fallback |
| 433 | * to software mode for these. |
| 434 | */ |
| 435 | if ((vif->type == NL80211_IFTYPE_ADHOC || |
| 436 | vif->type == NL80211_IFTYPE_MESH_POINT) && |
| 437 | (key->cipher == WLAN_CIPHER_SUITE_TKIP || |
| 438 | key->cipher == WLAN_CIPHER_SUITE_CCMP) && |
| 439 | !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) |
| 440 | return -EOPNOTSUPP; |
| 441 | |
| 442 | /* fall back to sw encryption for unsupported ciphers */ |
| 443 | switch (key->cipher) { |
| 444 | case WLAN_CIPHER_SUITE_AES_CMAC: |
| 445 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; |
| 446 | wcid_keyidx = &wcid->hw_key_idx2; |
| 447 | break; |
| 448 | case WLAN_CIPHER_SUITE_WEP40: |
| 449 | case WLAN_CIPHER_SUITE_WEP104: |
| 450 | if (!mvif->wep_sta) |
| 451 | return -EOPNOTSUPP; |
| 452 | break; |
| 453 | case WLAN_CIPHER_SUITE_TKIP: |
| 454 | case WLAN_CIPHER_SUITE_CCMP: |
| 455 | case WLAN_CIPHER_SUITE_CCMP_256: |
| 456 | case WLAN_CIPHER_SUITE_GCMP: |
| 457 | case WLAN_CIPHER_SUITE_GCMP_256: |
| 458 | case WLAN_CIPHER_SUITE_SMS4: |
| 459 | break; |
| 460 | default: |
| 461 | return -EOPNOTSUPP; |
| 462 | } |
| 463 | |
| 464 | mt7921_mutex_acquire(dev); |
| 465 | |
| 466 | if (cmd == SET_KEY) |
| 467 | *wcid_keyidx = idx; |
| 468 | else if (idx == *wcid_keyidx) |
| 469 | *wcid_keyidx = -1; |
| 470 | else |
| 471 | goto out; |
| 472 | |
| 473 | mt76_wcid_key_setup(&dev->mt76, wcid, |
| 474 | cmd == SET_KEY ? key : NULL); |
| 475 | |
| 476 | err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->bip, |
| 477 | key, MCU_UNI_CMD(STA_REC_UPDATE), |
| 478 | &msta->wcid, cmd); |
| 479 | if (err) |
| 480 | goto out; |
| 481 | |
| 482 | if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || |
| 483 | key->cipher == WLAN_CIPHER_SUITE_WEP40) |
| 484 | err = mt76_connac_mcu_add_key(&dev->mt76, vif, |
| 485 | &mvif->wep_sta->bip, |
| 486 | key, MCU_UNI_CMD(STA_REC_UPDATE), |
| 487 | &mvif->wep_sta->wcid, cmd); |
| 488 | out: |
| 489 | mt7921_mutex_release(dev); |
| 490 | |
| 491 | return err; |
| 492 | } |
| 493 | |
| 494 | static void |
| 495 | mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) |
| 496 | { |
| 497 | struct mt7921_dev *dev = priv; |
| 498 | struct ieee80211_hw *hw = mt76_hw(dev); |
| 499 | bool pm_enable = dev->pm.enable; |
| 500 | int err; |
| 501 | |
| 502 | err = mt7921_mcu_set_beacon_filter(dev, vif, pm_enable); |
| 503 | if (err < 0) |
| 504 | return; |
| 505 | |
| 506 | if (pm_enable) { |
| 507 | vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; |
| 508 | ieee80211_hw_set(hw, CONNECTION_MONITOR); |
| 509 | } else { |
| 510 | vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; |
| 511 | __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags); |
| 512 | } |
| 513 | } |
| 514 | |
| 515 | static void |
| 516 | mt7921_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) |
| 517 | { |
| 518 | struct mt7921_dev *dev = priv; |
| 519 | struct ieee80211_hw *hw = mt76_hw(dev); |
| 520 | struct mt76_connac_pm *pm = &dev->pm; |
| 521 | bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); |
| 522 | |
| 523 | mt7921_mcu_set_sniffer(dev, vif, monitor); |
| 524 | pm->enable = pm->enable_user && !monitor; |
| 525 | pm->ds_enable = pm->ds_enable_user && !monitor; |
| 526 | |
| 527 | mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); |
| 528 | |
| 529 | if (monitor) |
| 530 | mt7921_mcu_set_beacon_filter(dev, vif, false); |
| 531 | } |
| 532 | |
| 533 | void mt7921_set_runtime_pm(struct mt7921_dev *dev) |
| 534 | { |
| 535 | struct ieee80211_hw *hw = mt76_hw(dev); |
| 536 | struct mt76_connac_pm *pm = &dev->pm; |
| 537 | bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); |
| 538 | |
| 539 | pm->enable = pm->enable_user && !monitor; |
| 540 | ieee80211_iterate_active_interfaces(hw, |
| 541 | IEEE80211_IFACE_ITER_RESUME_ALL, |
| 542 | mt7921_pm_interface_iter, dev); |
| 543 | pm->ds_enable = pm->ds_enable_user && !monitor; |
| 544 | mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); |
| 545 | } |
| 546 | |
| 547 | static int mt7921_config(struct ieee80211_hw *hw, u32 changed) |
| 548 | { |
| 549 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 550 | struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| 551 | int ret = 0; |
| 552 | |
| 553 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { |
| 554 | ieee80211_stop_queues(hw); |
| 555 | ret = mt7921_set_channel(phy); |
| 556 | if (ret) |
| 557 | return ret; |
| 558 | ieee80211_wake_queues(hw); |
| 559 | } |
| 560 | |
| 561 | mt7921_mutex_acquire(dev); |
| 562 | |
| 563 | if (changed & IEEE80211_CONF_CHANGE_POWER) { |
| 564 | ret = mt7921_set_tx_sar_pwr(hw, NULL); |
| 565 | if (ret) |
| 566 | goto out; |
| 567 | } |
| 568 | |
| 569 | if (changed & IEEE80211_CONF_CHANGE_MONITOR) { |
| 570 | ieee80211_iterate_active_interfaces(hw, |
| 571 | IEEE80211_IFACE_ITER_RESUME_ALL, |
| 572 | mt7921_sniffer_interface_iter, dev); |
| 573 | dev->mt76.rxfilter = mt76_rr(dev, MT_WF_RFCR(0)); |
| 574 | } |
| 575 | |
| 576 | out: |
| 577 | mt7921_mutex_release(dev); |
| 578 | |
| 579 | return ret; |
| 580 | } |
| 581 | |
| 582 | static int |
| 583 | mt7921_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, |
| 584 | const struct ieee80211_tx_queue_params *params) |
| 585 | { |
| 586 | struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| 587 | |
| 588 | /* no need to update right away, we'll get BSS_CHANGED_QOS */ |
| 589 | queue = mt76_connac_lmac_mapping(queue); |
| 590 | mvif->queue_params[queue] = *params; |
| 591 | |
| 592 | return 0; |
| 593 | } |
| 594 | |
| 595 | static void mt7921_configure_filter(struct ieee80211_hw *hw, |
| 596 | unsigned int changed_flags, |
| 597 | unsigned int *total_flags, |
| 598 | u64 multicast) |
| 599 | { |
| 600 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 601 | u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | |
| 602 | MT_WF_RFCR1_DROP_BF_POLL | |
| 603 | MT_WF_RFCR1_DROP_BA | |
| 604 | MT_WF_RFCR1_DROP_CFEND | |
| 605 | MT_WF_RFCR1_DROP_CFACK; |
| 606 | u32 flags = 0; |
| 607 | |
| 608 | #define MT76_FILTER(_flag, _hw) do { \ |
| 609 | flags |= *total_flags & FIF_##_flag; \ |
| 610 | dev->mt76.rxfilter &= ~(_hw); \ |
| 611 | dev->mt76.rxfilter |= !(flags & FIF_##_flag) * (_hw); \ |
| 612 | } while (0) |
| 613 | |
| 614 | mt7921_mutex_acquire(dev); |
| 615 | |
| 616 | dev->mt76.rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | |
| 617 | MT_WF_RFCR_DROP_OTHER_BEACON | |
| 618 | MT_WF_RFCR_DROP_FRAME_REPORT | |
| 619 | MT_WF_RFCR_DROP_PROBEREQ | |
| 620 | MT_WF_RFCR_DROP_MCAST_FILTERED | |
| 621 | MT_WF_RFCR_DROP_MCAST | |
| 622 | MT_WF_RFCR_DROP_BCAST | |
| 623 | MT_WF_RFCR_DROP_DUPLICATE | |
| 624 | MT_WF_RFCR_DROP_A2_BSSID | |
| 625 | MT_WF_RFCR_DROP_UNWANTED_CTL | |
| 626 | MT_WF_RFCR_DROP_STBC_MULTI); |
| 627 | |
| 628 | MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | |
| 629 | MT_WF_RFCR_DROP_A3_MAC | |
| 630 | MT_WF_RFCR_DROP_A3_BSSID); |
| 631 | |
| 632 | MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); |
| 633 | |
| 634 | MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | |
| 635 | MT_WF_RFCR_DROP_RTS | |
| 636 | MT_WF_RFCR_DROP_CTL_RSV | |
| 637 | MT_WF_RFCR_DROP_NDPA); |
| 638 | |
| 639 | *total_flags = flags; |
| 640 | mt76_wr(dev, MT_WF_RFCR(0), dev->mt76.rxfilter); |
| 641 | |
| 642 | if (*total_flags & FIF_CONTROL) |
| 643 | mt76_clear(dev, MT_WF_RFCR1(0), ctl_flags); |
| 644 | else |
| 645 | mt76_set(dev, MT_WF_RFCR1(0), ctl_flags); |
| 646 | |
| 647 | mt7921_mutex_release(dev); |
| 648 | } |
| 649 | |
| 650 | static void mt7921_bss_info_changed(struct ieee80211_hw *hw, |
| 651 | struct ieee80211_vif *vif, |
| 652 | struct ieee80211_bss_conf *info, |
| 653 | u32 changed) |
| 654 | { |
| 655 | struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| 656 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 657 | |
| 658 | mt7921_mutex_acquire(dev); |
| 659 | |
| 660 | if (changed & BSS_CHANGED_ERP_SLOT) { |
| 661 | int slottime = info->use_short_slot ? 9 : 20; |
| 662 | |
| 663 | if (slottime != phy->slottime) { |
| 664 | phy->slottime = slottime; |
| 665 | mt7921_mac_set_timing(phy); |
| 666 | } |
| 667 | } |
| 668 | |
| 669 | if (changed & (BSS_CHANGED_BEACON | |
| 670 | BSS_CHANGED_BEACON_ENABLED)) |
| 671 | mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, |
| 672 | info->enable_beacon); |
| 673 | |
| 674 | /* ensure that enable txcmd_mode after bss_info */ |
| 675 | if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) |
| 676 | mt7921_mcu_set_tx(dev, vif); |
| 677 | |
| 678 | if (changed & BSS_CHANGED_PS) |
| 679 | mt7921_mcu_uni_bss_ps(dev, vif); |
| 680 | |
| 681 | if (changed & BSS_CHANGED_ASSOC) { |
| 682 | mt7921_mcu_sta_update(dev, NULL, vif, true, |
| 683 | MT76_STA_INFO_STATE_ASSOC); |
| 684 | mt7921_mcu_set_beacon_filter(dev, vif, info->assoc); |
| 685 | } |
| 686 | |
| 687 | if (changed & BSS_CHANGED_ARP_FILTER) { |
| 688 | struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| 689 | |
| 690 | mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, |
| 691 | info); |
| 692 | } |
| 693 | |
| 694 | mt7921_mutex_release(dev); |
| 695 | } |
| 696 | |
| 697 | int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, |
| 698 | struct ieee80211_sta *sta) |
| 699 | { |
| 700 | struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); |
| 701 | struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; |
| 702 | struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| 703 | int ret, idx; |
| 704 | |
| 705 | idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1); |
| 706 | if (idx < 0) |
| 707 | return -ENOSPC; |
| 708 | |
| 709 | INIT_LIST_HEAD(&msta->poll_list); |
| 710 | msta->vif = mvif; |
| 711 | msta->wcid.sta = 1; |
| 712 | msta->wcid.idx = idx; |
| 713 | msta->wcid.phy_idx = mvif->mt76.band_idx; |
| 714 | msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; |
| 715 | msta->last_txs = jiffies; |
| 716 | |
| 717 | ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); |
| 718 | if (ret) |
| 719 | return ret; |
| 720 | |
| 721 | if (vif->type == NL80211_IFTYPE_STATION) |
| 722 | mvif->wep_sta = msta; |
| 723 | |
| 724 | mt7921_mac_wtbl_update(dev, idx, |
| 725 | MT_WTBL_UPDATE_ADM_COUNT_CLEAR); |
| 726 | |
| 727 | ret = mt7921_mcu_sta_update(dev, sta, vif, true, |
| 728 | MT76_STA_INFO_STATE_NONE); |
| 729 | if (ret) |
| 730 | return ret; |
| 731 | |
| 732 | mt76_connac_power_save_sched(&dev->mphy, &dev->pm); |
| 733 | |
| 734 | return 0; |
| 735 | } |
| 736 | EXPORT_SYMBOL_GPL(mt7921_mac_sta_add); |
| 737 | |
| 738 | void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, |
| 739 | struct ieee80211_sta *sta) |
| 740 | { |
| 741 | struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); |
| 742 | struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; |
| 743 | struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| 744 | |
| 745 | mt7921_mutex_acquire(dev); |
| 746 | |
| 747 | if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) |
| 748 | mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.wcid, |
| 749 | true); |
| 750 | |
| 751 | mt7921_mac_wtbl_update(dev, msta->wcid.idx, |
| 752 | MT_WTBL_UPDATE_ADM_COUNT_CLEAR); |
| 753 | memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac)); |
| 754 | |
| 755 | mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); |
| 756 | |
| 757 | mt7921_mutex_release(dev); |
| 758 | } |
| 759 | EXPORT_SYMBOL_GPL(mt7921_mac_sta_assoc); |
| 760 | |
| 761 | void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, |
| 762 | struct ieee80211_sta *sta) |
| 763 | { |
| 764 | struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); |
| 765 | struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; |
| 766 | |
| 767 | mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); |
| 768 | mt76_connac_pm_wake(&dev->mphy, &dev->pm); |
| 769 | |
| 770 | mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE); |
| 771 | mt7921_mac_wtbl_update(dev, msta->wcid.idx, |
| 772 | MT_WTBL_UPDATE_ADM_COUNT_CLEAR); |
| 773 | |
| 774 | if (vif->type == NL80211_IFTYPE_STATION) { |
| 775 | struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| 776 | |
| 777 | mvif->wep_sta = NULL; |
| 778 | ewma_rssi_init(&mvif->rssi); |
| 779 | if (!sta->tdls) |
| 780 | mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, |
| 781 | &mvif->sta.wcid, false); |
| 782 | } |
| 783 | |
| 784 | spin_lock_bh(&dev->sta_poll_lock); |
| 785 | if (!list_empty(&msta->poll_list)) |
| 786 | list_del_init(&msta->poll_list); |
| 787 | spin_unlock_bh(&dev->sta_poll_lock); |
| 788 | |
| 789 | mt76_connac_power_save_sched(&dev->mphy, &dev->pm); |
| 790 | } |
| 791 | EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove); |
| 792 | |
| 793 | void mt7921_tx_worker(struct mt76_worker *w) |
| 794 | { |
| 795 | struct mt7921_dev *dev = container_of(w, struct mt7921_dev, |
| 796 | mt76.tx_worker); |
| 797 | |
| 798 | if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) { |
| 799 | queue_work(dev->mt76.wq, &dev->pm.wake_work); |
| 800 | return; |
| 801 | } |
| 802 | |
| 803 | mt76_txq_schedule_all(&dev->mphy); |
| 804 | mt76_connac_pm_unref(&dev->mphy, &dev->pm); |
| 805 | } |
| 806 | |
| 807 | static void mt7921_tx(struct ieee80211_hw *hw, |
| 808 | struct ieee80211_tx_control *control, |
| 809 | struct sk_buff *skb) |
| 810 | { |
| 811 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 812 | struct mt76_phy *mphy = hw->priv; |
| 813 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
| 814 | struct ieee80211_vif *vif = info->control.vif; |
| 815 | struct mt76_wcid *wcid = &dev->mt76.global_wcid; |
| 816 | int qid; |
| 817 | |
| 818 | if (control->sta) { |
| 819 | struct mt7921_sta *sta; |
| 820 | |
| 821 | sta = (struct mt7921_sta *)control->sta->drv_priv; |
| 822 | wcid = &sta->wcid; |
| 823 | } |
| 824 | |
| 825 | if (vif && !control->sta) { |
| 826 | struct mt7921_vif *mvif; |
| 827 | |
| 828 | mvif = (struct mt7921_vif *)vif->drv_priv; |
| 829 | wcid = &mvif->sta.wcid; |
| 830 | } |
| 831 | |
| 832 | if (mt76_connac_pm_ref(mphy, &dev->pm)) { |
| 833 | mt76_tx(mphy, control->sta, wcid, skb); |
| 834 | mt76_connac_pm_unref(mphy, &dev->pm); |
| 835 | return; |
| 836 | } |
| 837 | |
| 838 | qid = skb_get_queue_mapping(skb); |
| 839 | if (qid >= MT_TXQ_PSD) { |
| 840 | qid = IEEE80211_AC_BE; |
| 841 | skb_set_queue_mapping(skb, qid); |
| 842 | } |
| 843 | |
| 844 | mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb); |
| 845 | } |
| 846 | |
| 847 | static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val) |
| 848 | { |
| 849 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 850 | |
| 851 | mt7921_mutex_acquire(dev); |
| 852 | mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0); |
| 853 | mt7921_mutex_release(dev); |
| 854 | |
| 855 | return 0; |
| 856 | } |
| 857 | |
| 858 | static int |
| 859 | mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 860 | struct ieee80211_ampdu_params *params) |
| 861 | { |
| 862 | enum ieee80211_ampdu_mlme_action action = params->action; |
| 863 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 864 | struct ieee80211_sta *sta = params->sta; |
| 865 | struct ieee80211_txq *txq = sta->txq[params->tid]; |
| 866 | struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; |
| 867 | u16 tid = params->tid; |
| 868 | u16 ssn = params->ssn; |
| 869 | struct mt76_txq *mtxq; |
| 870 | int ret = 0; |
| 871 | |
| 872 | if (!txq) |
| 873 | return -EINVAL; |
| 874 | |
| 875 | mtxq = (struct mt76_txq *)txq->drv_priv; |
| 876 | |
| 877 | mt7921_mutex_acquire(dev); |
| 878 | switch (action) { |
| 879 | case IEEE80211_AMPDU_RX_START: |
| 880 | mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, |
| 881 | params->buf_size); |
| 882 | mt7921_mcu_uni_rx_ba(dev, params, true); |
| 883 | break; |
| 884 | case IEEE80211_AMPDU_RX_STOP: |
| 885 | mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); |
| 886 | mt7921_mcu_uni_rx_ba(dev, params, false); |
| 887 | break; |
| 888 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
| 889 | mtxq->aggr = true; |
| 890 | mtxq->send_bar = false; |
| 891 | mt7921_mcu_uni_tx_ba(dev, params, true); |
| 892 | break; |
| 893 | case IEEE80211_AMPDU_TX_STOP_FLUSH: |
| 894 | case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: |
| 895 | mtxq->aggr = false; |
| 896 | clear_bit(tid, &msta->ampdu_state); |
| 897 | mt7921_mcu_uni_tx_ba(dev, params, false); |
| 898 | break; |
| 899 | case IEEE80211_AMPDU_TX_START: |
| 900 | set_bit(tid, &msta->ampdu_state); |
| 901 | ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; |
| 902 | break; |
| 903 | case IEEE80211_AMPDU_TX_STOP_CONT: |
| 904 | mtxq->aggr = false; |
| 905 | clear_bit(tid, &msta->ampdu_state); |
| 906 | mt7921_mcu_uni_tx_ba(dev, params, false); |
| 907 | ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); |
| 908 | break; |
| 909 | } |
| 910 | mt7921_mutex_release(dev); |
| 911 | |
| 912 | return ret; |
| 913 | } |
| 914 | |
| 915 | static int mt7921_sta_state(struct ieee80211_hw *hw, |
| 916 | struct ieee80211_vif *vif, |
| 917 | struct ieee80211_sta *sta, |
| 918 | enum ieee80211_sta_state old_state, |
| 919 | enum ieee80211_sta_state new_state) |
| 920 | { |
| 921 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 922 | |
| 923 | if (dev->pm.ds_enable) { |
| 924 | mt7921_mutex_acquire(dev); |
| 925 | mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state); |
| 926 | mt7921_mutex_release(dev); |
| 927 | } |
| 928 | |
| 929 | return mt76_sta_state(hw, vif, sta, old_state, new_state); |
| 930 | } |
| 931 | |
| 932 | static int |
| 933 | mt7921_get_stats(struct ieee80211_hw *hw, |
| 934 | struct ieee80211_low_level_stats *stats) |
| 935 | { |
| 936 | struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| 937 | struct mib_stats *mib = &phy->mib; |
| 938 | |
| 939 | mt7921_mutex_acquire(phy->dev); |
| 940 | |
| 941 | stats->dot11RTSSuccessCount = mib->rts_cnt; |
| 942 | stats->dot11RTSFailureCount = mib->rts_retries_cnt; |
| 943 | stats->dot11FCSErrorCount = mib->fcs_err_cnt; |
| 944 | stats->dot11ACKFailureCount = mib->ack_fail_cnt; |
| 945 | |
| 946 | mt7921_mutex_release(phy->dev); |
| 947 | |
| 948 | return 0; |
| 949 | } |
| 950 | |
| 951 | static const char mt7921_gstrings_stats[][ETH_GSTRING_LEN] = { |
| 952 | /* tx counters */ |
| 953 | "tx_ampdu_cnt", |
| 954 | "tx_mpdu_attempts", |
| 955 | "tx_mpdu_success", |
| 956 | "tx_pkt_ebf_cnt", |
| 957 | "tx_pkt_ibf_cnt", |
| 958 | "tx_ampdu_len:0-1", |
| 959 | "tx_ampdu_len:2-10", |
| 960 | "tx_ampdu_len:11-19", |
| 961 | "tx_ampdu_len:20-28", |
| 962 | "tx_ampdu_len:29-37", |
| 963 | "tx_ampdu_len:38-46", |
| 964 | "tx_ampdu_len:47-55", |
| 965 | "tx_ampdu_len:56-79", |
| 966 | "tx_ampdu_len:80-103", |
| 967 | "tx_ampdu_len:104-127", |
| 968 | "tx_ampdu_len:128-151", |
| 969 | "tx_ampdu_len:152-175", |
| 970 | "tx_ampdu_len:176-199", |
| 971 | "tx_ampdu_len:200-223", |
| 972 | "tx_ampdu_len:224-247", |
| 973 | "ba_miss_count", |
| 974 | "tx_beamformer_ppdu_iBF", |
| 975 | "tx_beamformer_ppdu_eBF", |
| 976 | "tx_beamformer_rx_feedback_all", |
| 977 | "tx_beamformer_rx_feedback_he", |
| 978 | "tx_beamformer_rx_feedback_vht", |
| 979 | "tx_beamformer_rx_feedback_ht", |
| 980 | "tx_msdu_pack_1", |
| 981 | "tx_msdu_pack_2", |
| 982 | "tx_msdu_pack_3", |
| 983 | "tx_msdu_pack_4", |
| 984 | "tx_msdu_pack_5", |
| 985 | "tx_msdu_pack_6", |
| 986 | "tx_msdu_pack_7", |
| 987 | "tx_msdu_pack_8", |
| 988 | /* rx counters */ |
| 989 | "rx_mpdu_cnt", |
| 990 | "rx_ampdu_cnt", |
| 991 | "rx_ampdu_bytes_cnt", |
| 992 | "rx_ba_cnt", |
| 993 | /* per vif counters */ |
| 994 | "v_tx_mode_cck", |
| 995 | "v_tx_mode_ofdm", |
| 996 | "v_tx_mode_ht", |
| 997 | "v_tx_mode_ht_gf", |
| 998 | "v_tx_mode_vht", |
| 999 | "v_tx_mode_he_su", |
| 1000 | "v_tx_mode_he_ext_su", |
| 1001 | "v_tx_mode_he_tb", |
| 1002 | "v_tx_mode_he_mu", |
| 1003 | "v_tx_bw_20", |
| 1004 | "v_tx_bw_40", |
| 1005 | "v_tx_bw_80", |
| 1006 | "v_tx_bw_160", |
| 1007 | "v_tx_mcs_0", |
| 1008 | "v_tx_mcs_1", |
| 1009 | "v_tx_mcs_2", |
| 1010 | "v_tx_mcs_3", |
| 1011 | "v_tx_mcs_4", |
| 1012 | "v_tx_mcs_5", |
| 1013 | "v_tx_mcs_6", |
| 1014 | "v_tx_mcs_7", |
| 1015 | "v_tx_mcs_8", |
| 1016 | "v_tx_mcs_9", |
| 1017 | "v_tx_mcs_10", |
| 1018 | "v_tx_mcs_11", |
| 1019 | }; |
| 1020 | |
| 1021 | static void |
| 1022 | mt7921_get_et_strings(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 1023 | u32 sset, u8 *data) |
| 1024 | { |
| 1025 | if (sset != ETH_SS_STATS) |
| 1026 | return; |
| 1027 | |
| 1028 | memcpy(data, *mt7921_gstrings_stats, sizeof(mt7921_gstrings_stats)); |
| 1029 | } |
| 1030 | |
| 1031 | static int |
| 1032 | mt7921_get_et_sset_count(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 1033 | int sset) |
| 1034 | { |
| 1035 | return sset == ETH_SS_STATS ? ARRAY_SIZE(mt7921_gstrings_stats) : 0; |
| 1036 | } |
| 1037 | |
| 1038 | static void |
| 1039 | mt7921_ethtool_worker(void *wi_data, struct ieee80211_sta *sta) |
| 1040 | { |
| 1041 | struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; |
| 1042 | struct mt76_ethtool_worker_info *wi = wi_data; |
| 1043 | |
| 1044 | if (msta->vif->mt76.idx != wi->idx) |
| 1045 | return; |
| 1046 | |
| 1047 | mt76_ethtool_worker(wi, &msta->wcid.stats); |
| 1048 | } |
| 1049 | |
| 1050 | static |
| 1051 | void mt7921_get_et_stats(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 1052 | struct ethtool_stats *stats, u64 *data) |
| 1053 | { |
| 1054 | struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| 1055 | struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| 1056 | struct mt7921_dev *dev = phy->dev; |
| 1057 | struct mib_stats *mib = &phy->mib; |
| 1058 | struct mt76_ethtool_worker_info wi = { |
| 1059 | .data = data, |
| 1060 | .idx = mvif->mt76.idx, |
| 1061 | }; |
| 1062 | int i, ei = 0; |
| 1063 | |
| 1064 | mt7921_mutex_acquire(dev); |
| 1065 | |
| 1066 | mt7921_mac_update_mib_stats(phy); |
| 1067 | |
| 1068 | data[ei++] = mib->tx_ampdu_cnt; |
| 1069 | data[ei++] = mib->tx_mpdu_attempts_cnt; |
| 1070 | data[ei++] = mib->tx_mpdu_success_cnt; |
| 1071 | data[ei++] = mib->tx_pkt_ebf_cnt; |
| 1072 | data[ei++] = mib->tx_pkt_ibf_cnt; |
| 1073 | |
| 1074 | /* Tx ampdu stat */ |
| 1075 | for (i = 0; i < 15; i++) |
| 1076 | data[ei++] = dev->mt76.aggr_stats[i]; |
| 1077 | |
| 1078 | data[ei++] = phy->mib.ba_miss_cnt; |
| 1079 | |
| 1080 | /* Tx Beamformer monitor */ |
| 1081 | data[ei++] = mib->tx_bf_ibf_ppdu_cnt; |
| 1082 | data[ei++] = mib->tx_bf_ebf_ppdu_cnt; |
| 1083 | |
| 1084 | /* Tx Beamformer Rx feedback monitor */ |
| 1085 | data[ei++] = mib->tx_bf_rx_fb_all_cnt; |
| 1086 | data[ei++] = mib->tx_bf_rx_fb_he_cnt; |
| 1087 | data[ei++] = mib->tx_bf_rx_fb_vht_cnt; |
| 1088 | data[ei++] = mib->tx_bf_rx_fb_ht_cnt; |
| 1089 | |
| 1090 | /* Tx amsdu info (pack-count histogram) */ |
| 1091 | for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) |
| 1092 | data[ei++] = mib->tx_amsdu[i]; |
| 1093 | |
| 1094 | /* rx counters */ |
| 1095 | data[ei++] = mib->rx_mpdu_cnt; |
| 1096 | data[ei++] = mib->rx_ampdu_cnt; |
| 1097 | data[ei++] = mib->rx_ampdu_bytes_cnt; |
| 1098 | data[ei++] = mib->rx_ba_cnt; |
| 1099 | |
| 1100 | /* Add values for all stations owned by this vif */ |
| 1101 | wi.initial_stat_idx = ei; |
| 1102 | ieee80211_iterate_stations_atomic(hw, mt7921_ethtool_worker, &wi); |
| 1103 | |
| 1104 | mt7921_mutex_release(dev); |
| 1105 | |
| 1106 | if (!wi.sta_count) |
| 1107 | return; |
| 1108 | |
| 1109 | ei += wi.worker_stat_count; |
| 1110 | if (ei != ARRAY_SIZE(mt7921_gstrings_stats)) |
| 1111 | dev_err(dev->mt76.dev, "ei: %d SSTATS_LEN: %zu", |
| 1112 | ei, ARRAY_SIZE(mt7921_gstrings_stats)); |
| 1113 | } |
| 1114 | |
| 1115 | static u64 |
| 1116 | mt7921_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
| 1117 | { |
| 1118 | struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| 1119 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 1120 | u8 omac_idx = mvif->mt76.omac_idx; |
| 1121 | union { |
| 1122 | u64 t64; |
| 1123 | u32 t32[2]; |
| 1124 | } tsf; |
| 1125 | u16 n; |
| 1126 | |
| 1127 | mt7921_mutex_acquire(dev); |
| 1128 | |
| 1129 | n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx; |
| 1130 | /* TSF software read */ |
| 1131 | mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_MODE); |
| 1132 | tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(0)); |
| 1133 | tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(0)); |
| 1134 | |
| 1135 | mt7921_mutex_release(dev); |
| 1136 | |
| 1137 | return tsf.t64; |
| 1138 | } |
| 1139 | |
| 1140 | static void |
| 1141 | mt7921_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 1142 | u64 timestamp) |
| 1143 | { |
| 1144 | struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| 1145 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 1146 | u8 omac_idx = mvif->mt76.omac_idx; |
| 1147 | union { |
| 1148 | u64 t64; |
| 1149 | u32 t32[2]; |
| 1150 | } tsf = { .t64 = timestamp, }; |
| 1151 | u16 n; |
| 1152 | |
| 1153 | mt7921_mutex_acquire(dev); |
| 1154 | |
| 1155 | n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx; |
| 1156 | mt76_wr(dev, MT_LPON_UTTR0(0), tsf.t32[0]); |
| 1157 | mt76_wr(dev, MT_LPON_UTTR1(0), tsf.t32[1]); |
| 1158 | /* TSF software overwrite */ |
| 1159 | mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_WRITE); |
| 1160 | |
| 1161 | mt7921_mutex_release(dev); |
| 1162 | } |
| 1163 | |
| 1164 | static void |
| 1165 | mt7921_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) |
| 1166 | { |
| 1167 | struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| 1168 | struct mt7921_dev *dev = phy->dev; |
| 1169 | |
| 1170 | mt7921_mutex_acquire(dev); |
| 1171 | phy->coverage_class = max_t(s16, coverage_class, 0); |
| 1172 | mt7921_mac_set_timing(phy); |
| 1173 | mt7921_mutex_release(dev); |
| 1174 | } |
| 1175 | |
| 1176 | void mt7921_scan_work(struct work_struct *work) |
| 1177 | { |
| 1178 | struct mt7921_phy *phy; |
| 1179 | |
| 1180 | phy = (struct mt7921_phy *)container_of(work, struct mt7921_phy, |
| 1181 | scan_work.work); |
| 1182 | |
| 1183 | while (true) { |
| 1184 | struct mt76_connac2_mcu_rxd *rxd; |
| 1185 | struct sk_buff *skb; |
| 1186 | |
| 1187 | spin_lock_bh(&phy->dev->mt76.lock); |
| 1188 | skb = __skb_dequeue(&phy->scan_event_list); |
| 1189 | spin_unlock_bh(&phy->dev->mt76.lock); |
| 1190 | |
| 1191 | if (!skb) |
| 1192 | break; |
| 1193 | |
| 1194 | rxd = (struct mt76_connac2_mcu_rxd *)skb->data; |
| 1195 | if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { |
| 1196 | ieee80211_sched_scan_results(phy->mt76->hw); |
| 1197 | } else if (test_and_clear_bit(MT76_HW_SCANNING, |
| 1198 | &phy->mt76->state)) { |
| 1199 | struct cfg80211_scan_info info = { |
| 1200 | .aborted = false, |
| 1201 | }; |
| 1202 | |
| 1203 | ieee80211_scan_completed(phy->mt76->hw, &info); |
| 1204 | } |
| 1205 | dev_kfree_skb(skb); |
| 1206 | } |
| 1207 | } |
| 1208 | |
| 1209 | static int |
| 1210 | mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 1211 | struct ieee80211_scan_request *req) |
| 1212 | { |
| 1213 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 1214 | struct mt76_phy *mphy = hw->priv; |
| 1215 | int err; |
| 1216 | |
| 1217 | mt7921_mutex_acquire(dev); |
| 1218 | err = mt76_connac_mcu_hw_scan(mphy, vif, req); |
| 1219 | mt7921_mutex_release(dev); |
| 1220 | |
| 1221 | return err; |
| 1222 | } |
| 1223 | |
| 1224 | static void |
| 1225 | mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
| 1226 | { |
| 1227 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 1228 | struct mt76_phy *mphy = hw->priv; |
| 1229 | |
| 1230 | mt7921_mutex_acquire(dev); |
| 1231 | mt76_connac_mcu_cancel_hw_scan(mphy, vif); |
| 1232 | mt7921_mutex_release(dev); |
| 1233 | } |
| 1234 | |
| 1235 | static int |
| 1236 | mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 1237 | struct cfg80211_sched_scan_request *req, |
| 1238 | struct ieee80211_scan_ies *ies) |
| 1239 | { |
| 1240 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 1241 | struct mt76_phy *mphy = hw->priv; |
| 1242 | int err; |
| 1243 | |
| 1244 | mt7921_mutex_acquire(dev); |
| 1245 | |
| 1246 | err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); |
| 1247 | if (err < 0) |
| 1248 | goto out; |
| 1249 | |
| 1250 | err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); |
| 1251 | out: |
| 1252 | mt7921_mutex_release(dev); |
| 1253 | |
| 1254 | return err; |
| 1255 | } |
| 1256 | |
| 1257 | static int |
| 1258 | mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
| 1259 | { |
| 1260 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 1261 | struct mt76_phy *mphy = hw->priv; |
| 1262 | int err; |
| 1263 | |
| 1264 | mt7921_mutex_acquire(dev); |
| 1265 | err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); |
| 1266 | mt7921_mutex_release(dev); |
| 1267 | |
| 1268 | return err; |
| 1269 | } |
| 1270 | |
| 1271 | static int |
| 1272 | mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) |
| 1273 | { |
| 1274 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 1275 | struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| 1276 | int max_nss = hweight8(hw->wiphy->available_antennas_tx); |
| 1277 | |
| 1278 | if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) |
| 1279 | return -EINVAL; |
| 1280 | |
| 1281 | if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) |
| 1282 | tx_ant = BIT(ffs(tx_ant) - 1) - 1; |
| 1283 | |
| 1284 | mt7921_mutex_acquire(dev); |
| 1285 | |
| 1286 | phy->mt76->antenna_mask = tx_ant; |
| 1287 | phy->mt76->chainmask = tx_ant; |
| 1288 | |
| 1289 | mt76_set_stream_caps(phy->mt76, true); |
| 1290 | mt7921_set_stream_he_caps(phy); |
| 1291 | |
| 1292 | mt7921_mutex_release(dev); |
| 1293 | |
| 1294 | return 0; |
| 1295 | } |
| 1296 | |
| 1297 | static void mt7921_sta_statistics(struct ieee80211_hw *hw, |
| 1298 | struct ieee80211_vif *vif, |
| 1299 | struct ieee80211_sta *sta, |
| 1300 | struct station_info *sinfo) |
| 1301 | { |
| 1302 | struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; |
| 1303 | struct rate_info *txrate = &msta->wcid.rate; |
| 1304 | |
| 1305 | if (!txrate->legacy && !txrate->flags) |
| 1306 | return; |
| 1307 | |
| 1308 | if (txrate->legacy) { |
| 1309 | sinfo->txrate.legacy = txrate->legacy; |
| 1310 | } else { |
| 1311 | sinfo->txrate.mcs = txrate->mcs; |
| 1312 | sinfo->txrate.nss = txrate->nss; |
| 1313 | sinfo->txrate.bw = txrate->bw; |
| 1314 | sinfo->txrate.he_gi = txrate->he_gi; |
| 1315 | sinfo->txrate.he_dcm = txrate->he_dcm; |
| 1316 | sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc; |
| 1317 | } |
| 1318 | sinfo->txrate.flags = txrate->flags; |
| 1319 | sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); |
| 1320 | } |
| 1321 | |
| 1322 | #ifdef CONFIG_PM |
| 1323 | static int mt7921_suspend(struct ieee80211_hw *hw, |
| 1324 | struct cfg80211_wowlan *wowlan) |
| 1325 | { |
| 1326 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 1327 | struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| 1328 | |
| 1329 | cancel_delayed_work_sync(&phy->scan_work); |
| 1330 | cancel_delayed_work_sync(&phy->mt76->mac_work); |
| 1331 | |
| 1332 | cancel_delayed_work_sync(&dev->pm.ps_work); |
| 1333 | mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); |
| 1334 | |
| 1335 | mt7921_mutex_acquire(dev); |
| 1336 | |
| 1337 | clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); |
| 1338 | ieee80211_iterate_active_interfaces(hw, |
| 1339 | IEEE80211_IFACE_ITER_RESUME_ALL, |
| 1340 | mt7921_mcu_set_suspend_iter, |
| 1341 | &dev->mphy); |
| 1342 | |
| 1343 | mt7921_mutex_release(dev); |
| 1344 | |
| 1345 | return 0; |
| 1346 | } |
| 1347 | |
| 1348 | static int mt7921_resume(struct ieee80211_hw *hw) |
| 1349 | { |
| 1350 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 1351 | struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| 1352 | |
| 1353 | mt7921_mutex_acquire(dev); |
| 1354 | |
| 1355 | set_bit(MT76_STATE_RUNNING, &phy->mt76->state); |
| 1356 | ieee80211_iterate_active_interfaces(hw, |
| 1357 | IEEE80211_IFACE_ITER_RESUME_ALL, |
| 1358 | mt76_connac_mcu_set_suspend_iter, |
| 1359 | &dev->mphy); |
| 1360 | |
| 1361 | ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, |
| 1362 | MT7921_WATCHDOG_TIME); |
| 1363 | |
| 1364 | mt7921_mutex_release(dev); |
| 1365 | |
| 1366 | return 0; |
| 1367 | } |
| 1368 | |
| 1369 | static void mt7921_set_wakeup(struct ieee80211_hw *hw, bool enabled) |
| 1370 | { |
| 1371 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 1372 | struct mt76_dev *mdev = &dev->mt76; |
| 1373 | |
| 1374 | device_set_wakeup_enable(mdev->dev, enabled); |
| 1375 | } |
| 1376 | |
| 1377 | static void mt7921_set_rekey_data(struct ieee80211_hw *hw, |
| 1378 | struct ieee80211_vif *vif, |
| 1379 | struct cfg80211_gtk_rekey_data *data) |
| 1380 | { |
| 1381 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 1382 | |
| 1383 | mt7921_mutex_acquire(dev); |
| 1384 | mt76_connac_mcu_update_gtk_rekey(hw, vif, data); |
| 1385 | mt7921_mutex_release(dev); |
| 1386 | } |
| 1387 | #endif /* CONFIG_PM */ |
| 1388 | |
| 1389 | static void mt7921_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 1390 | u32 queues, bool drop) |
| 1391 | { |
| 1392 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 1393 | |
| 1394 | wait_event_timeout(dev->mt76.tx_wait, !mt76_has_tx_pending(&dev->mphy), |
| 1395 | HZ / 2); |
| 1396 | } |
| 1397 | |
| 1398 | static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw, |
| 1399 | struct ieee80211_vif *vif, |
| 1400 | struct ieee80211_sta *sta, |
| 1401 | bool enabled) |
| 1402 | { |
| 1403 | struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; |
| 1404 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 1405 | |
| 1406 | mt7921_mutex_acquire(dev); |
| 1407 | |
| 1408 | if (enabled) |
| 1409 | set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); |
| 1410 | else |
| 1411 | clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); |
| 1412 | |
| 1413 | mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->wcid, |
| 1414 | MCU_UNI_CMD(STA_REC_UPDATE)); |
| 1415 | |
| 1416 | mt7921_mutex_release(dev); |
| 1417 | } |
| 1418 | |
| 1419 | #if IS_ENABLED(CONFIG_IPV6) |
| 1420 | static void mt7921_ipv6_addr_change(struct ieee80211_hw *hw, |
| 1421 | struct ieee80211_vif *vif, |
| 1422 | struct inet6_dev *idev) |
| 1423 | { |
| 1424 | struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| 1425 | struct mt7921_dev *dev = mvif->phy->dev; |
| 1426 | struct inet6_ifaddr *ifa; |
| 1427 | struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; |
| 1428 | struct sk_buff *skb; |
| 1429 | u8 i, idx = 0; |
| 1430 | |
| 1431 | struct { |
| 1432 | struct { |
| 1433 | u8 bss_idx; |
| 1434 | u8 pad[3]; |
| 1435 | } __packed hdr; |
| 1436 | struct mt76_connac_arpns_tlv arpns; |
| 1437 | } req_hdr = { |
| 1438 | .hdr = { |
| 1439 | .bss_idx = mvif->mt76.idx, |
| 1440 | }, |
| 1441 | .arpns = { |
| 1442 | .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), |
| 1443 | .mode = 2, /* update */ |
| 1444 | .option = 1, /* update only */ |
| 1445 | }, |
| 1446 | }; |
| 1447 | |
| 1448 | read_lock_bh(&idev->lock); |
| 1449 | list_for_each_entry(ifa, &idev->addr_list, if_list) { |
| 1450 | if (ifa->flags & IFA_F_TENTATIVE) |
| 1451 | continue; |
| 1452 | ns_addrs[idx] = ifa->addr; |
| 1453 | if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN) |
| 1454 | break; |
| 1455 | } |
| 1456 | read_unlock_bh(&idev->lock); |
| 1457 | |
| 1458 | if (!idx) |
| 1459 | return; |
| 1460 | |
| 1461 | req_hdr.arpns.ips_num = idx; |
| 1462 | req_hdr.arpns.len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv) |
| 1463 | + idx * sizeof(struct in6_addr)); |
| 1464 | skb = __mt76_mcu_msg_alloc(&dev->mt76, &req_hdr, |
| 1465 | sizeof(req_hdr) + idx * sizeof(struct in6_addr), |
| 1466 | sizeof(req_hdr), GFP_ATOMIC); |
| 1467 | if (!skb) |
| 1468 | return; |
| 1469 | |
| 1470 | for (i = 0; i < idx; i++) |
| 1471 | skb_put_data(skb, &ns_addrs[i].in6_u, sizeof(struct in6_addr)); |
| 1472 | |
| 1473 | skb_queue_tail(&dev->ipv6_ns_list, skb); |
| 1474 | |
| 1475 | ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); |
| 1476 | } |
| 1477 | #endif |
| 1478 | |
| 1479 | int mt7921_set_tx_sar_pwr(struct ieee80211_hw *hw, |
| 1480 | const struct cfg80211_sar_specs *sar) |
| 1481 | { |
| 1482 | struct mt76_phy *mphy = hw->priv; |
| 1483 | int err; |
| 1484 | |
| 1485 | if (sar) { |
| 1486 | err = mt76_init_sar_power(hw, sar); |
| 1487 | if (err) |
| 1488 | return err; |
| 1489 | } |
| 1490 | |
| 1491 | mt7921_init_acpi_sar_power(mt7921_hw_phy(hw), !sar); |
| 1492 | |
| 1493 | err = mt76_connac_mcu_set_rate_txpower(mphy); |
| 1494 | |
| 1495 | return err; |
| 1496 | } |
| 1497 | |
| 1498 | static int mt7921_set_sar_specs(struct ieee80211_hw *hw, |
| 1499 | const struct cfg80211_sar_specs *sar) |
| 1500 | { |
| 1501 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 1502 | int err; |
| 1503 | |
| 1504 | mt7921_mutex_acquire(dev); |
| 1505 | err = mt7921_set_tx_sar_pwr(hw, sar); |
| 1506 | mt7921_mutex_release(dev); |
| 1507 | |
| 1508 | return err; |
| 1509 | } |
| 1510 | |
| 1511 | static void |
| 1512 | mt7921_channel_switch_beacon(struct ieee80211_hw *hw, |
| 1513 | struct ieee80211_vif *vif, |
| 1514 | struct cfg80211_chan_def *chandef) |
| 1515 | { |
| 1516 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 1517 | |
| 1518 | mt7921_mutex_acquire(dev); |
| 1519 | mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true); |
| 1520 | mt7921_mutex_release(dev); |
| 1521 | } |
| 1522 | |
| 1523 | static int |
| 1524 | mt7921_start_ap(struct ieee80211_hw *hw, |
| 1525 | struct ieee80211_vif *vif) |
| 1526 | { |
| 1527 | struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| 1528 | struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| 1529 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 1530 | int err; |
| 1531 | |
| 1532 | mt7921_mutex_acquire(dev); |
| 1533 | |
| 1534 | err = mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, |
| 1535 | true); |
| 1536 | if (err) |
| 1537 | goto out; |
| 1538 | |
| 1539 | err = mt7921_mcu_set_bss_pm(dev, vif, true); |
| 1540 | if (err) |
| 1541 | goto out; |
| 1542 | |
| 1543 | err = mt7921_mcu_sta_update(dev, NULL, vif, true, |
| 1544 | MT76_STA_INFO_STATE_NONE); |
| 1545 | out: |
| 1546 | mt7921_mutex_release(dev); |
| 1547 | |
| 1548 | return err; |
| 1549 | } |
| 1550 | |
| 1551 | static void |
| 1552 | mt7921_stop_ap(struct ieee80211_hw *hw, |
| 1553 | struct ieee80211_vif *vif) |
| 1554 | { |
| 1555 | struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| 1556 | struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| 1557 | struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| 1558 | int err; |
| 1559 | |
| 1560 | mt7921_mutex_acquire(dev); |
| 1561 | |
| 1562 | err = mt7921_mcu_set_bss_pm(dev, vif, false); |
| 1563 | if (err) |
| 1564 | goto out; |
| 1565 | |
| 1566 | mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, false); |
| 1567 | |
| 1568 | out: |
| 1569 | mt7921_mutex_release(dev); |
| 1570 | } |
| 1571 | |
| 1572 | const struct ieee80211_ops mt7921_ops = { |
| 1573 | .tx = mt7921_tx, |
| 1574 | .start = mt7921_start, |
| 1575 | .stop = mt7921_stop, |
| 1576 | .add_interface = mt7921_add_interface, |
| 1577 | .remove_interface = mt7921_remove_interface, |
| 1578 | .config = mt7921_config, |
| 1579 | .conf_tx = mt7921_conf_tx, |
| 1580 | .configure_filter = mt7921_configure_filter, |
| 1581 | .bss_info_changed = mt7921_bss_info_changed, |
| 1582 | .start_ap = mt7921_start_ap, |
| 1583 | .stop_ap = mt7921_stop_ap, |
| 1584 | .sta_state = mt7921_sta_state, |
| 1585 | .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, |
| 1586 | .set_key = mt7921_set_key, |
| 1587 | .sta_set_decap_offload = mt7921_sta_set_decap_offload, |
| 1588 | #if IS_ENABLED(CONFIG_IPV6) |
| 1589 | .ipv6_addr_change = mt7921_ipv6_addr_change, |
| 1590 | #endif /* CONFIG_IPV6 */ |
| 1591 | .ampdu_action = mt7921_ampdu_action, |
| 1592 | .set_rts_threshold = mt7921_set_rts_threshold, |
| 1593 | .wake_tx_queue = mt76_wake_tx_queue, |
| 1594 | .release_buffered_frames = mt76_release_buffered_frames, |
| 1595 | .channel_switch_beacon = mt7921_channel_switch_beacon, |
| 1596 | .get_txpower = mt76_get_txpower, |
| 1597 | .get_stats = mt7921_get_stats, |
| 1598 | .get_et_sset_count = mt7921_get_et_sset_count, |
| 1599 | .get_et_strings = mt7921_get_et_strings, |
| 1600 | .get_et_stats = mt7921_get_et_stats, |
| 1601 | .get_tsf = mt7921_get_tsf, |
| 1602 | .set_tsf = mt7921_set_tsf, |
| 1603 | .get_survey = mt76_get_survey, |
| 1604 | .get_antenna = mt76_get_antenna, |
| 1605 | .set_antenna = mt7921_set_antenna, |
| 1606 | .set_coverage_class = mt7921_set_coverage_class, |
| 1607 | .hw_scan = mt7921_hw_scan, |
| 1608 | .cancel_hw_scan = mt7921_cancel_hw_scan, |
| 1609 | .sta_statistics = mt7921_sta_statistics, |
| 1610 | .sched_scan_start = mt7921_start_sched_scan, |
| 1611 | .sched_scan_stop = mt7921_stop_sched_scan, |
| 1612 | CFG80211_TESTMODE_CMD(mt7921_testmode_cmd) |
| 1613 | CFG80211_TESTMODE_DUMP(mt7921_testmode_dump) |
| 1614 | #ifdef CONFIG_PM |
| 1615 | .suspend = mt7921_suspend, |
| 1616 | .resume = mt7921_resume, |
| 1617 | .set_wakeup = mt7921_set_wakeup, |
| 1618 | .set_rekey_data = mt7921_set_rekey_data, |
| 1619 | #endif /* CONFIG_PM */ |
| 1620 | .flush = mt7921_flush, |
| 1621 | .set_sar_specs = mt7921_set_sar_specs, |
| 1622 | }; |
| 1623 | EXPORT_SYMBOL_GPL(mt7921_ops); |
| 1624 | |
| 1625 | MODULE_LICENSE("Dual BSD/GPL"); |
| 1626 | MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>"); |