1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2 /* 3 * Copyright (C) 2012-2014, 2018-2024 Intel Corporation 4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH 5 * Copyright (C) 2016-2017 Intel Deutschland GmbH 6 */ 7 #include <linux/kernel.h> 8 #include <linux/slab.h> 9 #include <linux/skbuff.h> 10 #include <linux/netdevice.h> 11 #include <linux/etherdevice.h> 12 #include <linux/ip.h> 13 #include <linux/if_arp.h> 14 #include <linux/time.h> 15 #include <net/mac80211.h> 16 #include <net/ieee80211_radiotap.h> 17 #include <net/tcp.h> 18 19 #include "iwl-drv.h" 20 #include "iwl-op-mode.h" 21 #include "iwl-io.h" 22 #include "mvm.h" 23 #include "sta.h" 24 #include "time-event.h" 25 #include "iwl-nvm-utils.h" 26 #include "iwl-phy-db.h" 27 #include "testmode.h" 28 #include "fw/error-dump.h" 29 #include "iwl-prph.h" 30 #include "iwl-nvm-parse.h" 31 #include "time-sync.h" 32 33 #define IWL_MVM_LIMITS(ap) \ 34 { \ 35 .max = 1, \ 36 .types = BIT(NL80211_IFTYPE_STATION), \ 37 }, \ 38 { \ 39 .max = 1, \ 40 .types = ap | \ 41 BIT(NL80211_IFTYPE_P2P_CLIENT) | \ 42 BIT(NL80211_IFTYPE_P2P_GO), \ 43 }, \ 44 { \ 45 .max = 1, \ 46 .types = BIT(NL80211_IFTYPE_P2P_DEVICE), \ 47 } 48 49 static const struct ieee80211_iface_limit iwl_mvm_limits[] = { 50 IWL_MVM_LIMITS(0) 51 }; 52 53 static const struct ieee80211_iface_limit iwl_mvm_limits_ap[] = { 54 IWL_MVM_LIMITS(BIT(NL80211_IFTYPE_AP)) 55 }; 56 57 static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = { 58 { 59 .num_different_channels = 2, 60 .max_interfaces = 3, 61 .limits = iwl_mvm_limits, 62 .n_limits = ARRAY_SIZE(iwl_mvm_limits), 63 }, 64 { 65 .num_different_channels = 1, 66 .max_interfaces = 3, 67 .limits = iwl_mvm_limits_ap, 68 .n_limits = ARRAY_SIZE(iwl_mvm_limits_ap), 69 }, 70 }; 71 72 static const struct cfg80211_pmsr_capabilities iwl_mvm_pmsr_capa = { 73 .max_peers = IWL_MVM_TOF_MAX_APS, 74 .report_ap_tsf = 1, 75 .randomize_mac_addr = 1, 76 77 .ftm = { 78 .supported = 1, 79 .asap = 1, 80 .non_asap = 1, 81 .request_lci = 1, 82 .request_civicloc = 1, 83 .trigger_based = 1, 84 .non_trigger_based = 1, 85 .max_bursts_exponent = -1, /* all supported */ 86 .max_ftms_per_burst = 0, /* no limits */ 87 .bandwidths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 88 BIT(NL80211_CHAN_WIDTH_20) | 89 BIT(NL80211_CHAN_WIDTH_40) | 90 BIT(NL80211_CHAN_WIDTH_80) | 91 BIT(NL80211_CHAN_WIDTH_160), 92 .preambles = BIT(NL80211_PREAMBLE_LEGACY) | 93 BIT(NL80211_PREAMBLE_HT) | 94 BIT(NL80211_PREAMBLE_VHT) | 95 BIT(NL80211_PREAMBLE_HE), 96 }, 97 }; 98 99 static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 100 enum set_key_cmd cmd, 101 struct ieee80211_vif *vif, 102 struct ieee80211_sta *sta, 103 struct ieee80211_key_conf *key); 104 105 static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm) 106 { 107 int i; 108 109 memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts)); 110 for (i = 0; i < NUM_PHY_CTX; i++) { 111 mvm->phy_ctxts[i].id = i; 112 mvm->phy_ctxts[i].ref = 0; 113 } 114 } 115 116 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, 117 const char *alpha2, 118 enum iwl_mcc_source src_id, 119 bool *changed) 120 { 121 struct ieee80211_regdomain *regd = NULL; 122 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 123 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 124 struct iwl_mcc_update_resp_v8 *resp; 125 u8 resp_ver; 126 127 IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2); 128 129 lockdep_assert_held(&mvm->mutex); 130 131 resp = iwl_mvm_update_mcc(mvm, alpha2, src_id); 132 if (IS_ERR_OR_NULL(resp)) { 133 IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n", 134 PTR_ERR_OR_ZERO(resp)); 135 resp = NULL; 136 goto out; 137 } 138 139 if (changed) { 140 u32 status = le32_to_cpu(resp->status); 141 142 *changed = (status == MCC_RESP_NEW_CHAN_PROFILE || 143 status == MCC_RESP_ILLEGAL); 144 } 145 resp_ver = iwl_fw_lookup_notif_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP, 146 MCC_UPDATE_CMD, 0); 147 IWL_DEBUG_LAR(mvm, "MCC update response version: %d\n", resp_ver); 148 149 regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg, 150 __le32_to_cpu(resp->n_channels), 151 resp->channels, 152 __le16_to_cpu(resp->mcc), 153 __le16_to_cpu(resp->geo_info), 154 le32_to_cpu(resp->cap), resp_ver); 155 /* Store the return source id */ 156 src_id = resp->source_id; 157 if (IS_ERR_OR_NULL(regd)) { 158 IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n", 159 PTR_ERR_OR_ZERO(regd)); 160 goto out; 161 } 162 163 IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n", 164 regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id); 165 mvm->lar_regdom_set = true; 166 mvm->mcc_src = src_id; 167 168 if (!iwl_puncturing_is_allowed_in_bios(mvm->bios_enable_puncturing, 169 le16_to_cpu(resp->mcc))) 170 ieee80211_hw_set(mvm->hw, DISALLOW_PUNCTURING); 171 else 172 __clear_bit(IEEE80211_HW_DISALLOW_PUNCTURING, mvm->hw->flags); 173 174 iwl_mei_set_country_code(__le16_to_cpu(resp->mcc)); 175 176 out: 177 kfree(resp); 178 return regd; 179 } 180 181 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm) 182 { 183 bool changed; 184 struct ieee80211_regdomain *regd; 185 186 if (!iwl_mvm_is_lar_supported(mvm)) 187 return; 188 189 regd = iwl_mvm_get_current_regdomain(mvm, &changed); 190 if (!IS_ERR_OR_NULL(regd)) { 191 /* only update the regulatory core if changed */ 192 if (changed) 193 regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); 194 195 kfree(regd); 196 } 197 } 198 199 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, 200 bool *changed) 201 { 202 return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ", 203 iwl_mvm_is_wifi_mcc_supported(mvm) ? 204 MCC_SOURCE_GET_CURRENT : 205 MCC_SOURCE_OLD_FW, changed); 206 } 207 208 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm, bool force_regd_sync) 209 { 210 enum iwl_mcc_source used_src; 211 struct ieee80211_regdomain *regd; 212 int ret; 213 bool changed; 214 const struct ieee80211_regdomain *r = 215 wiphy_dereference(mvm->hw->wiphy, mvm->hw->wiphy->regd); 216 217 if (!r) 218 return -ENOENT; 219 220 /* save the last source in case we overwrite it below */ 221 used_src = mvm->mcc_src; 222 if (iwl_mvm_is_wifi_mcc_supported(mvm)) { 223 /* Notify the firmware we support wifi location updates */ 224 regd = iwl_mvm_get_current_regdomain(mvm, NULL); 225 if (!IS_ERR_OR_NULL(regd)) 226 kfree(regd); 227 } 228 229 /* Now set our last stored MCC and source */ 230 regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src, 231 &changed); 232 if (IS_ERR_OR_NULL(regd)) 233 return -EIO; 234 235 /* update cfg80211 if the regdomain was changed or the caller explicitly 236 * asked to update regdomain 237 */ 238 if (changed || force_regd_sync) 239 ret = regulatory_set_wiphy_regd_sync(mvm->hw->wiphy, regd); 240 else 241 ret = 0; 242 243 kfree(regd); 244 return ret; 245 } 246 247 /* Each capability added here should also be add to tm_if_types_ext_capa_sta */ 248 static const u8 he_if_types_ext_capa_sta[] = { 249 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 250 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT, 251 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF | 252 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB, 253 [8] = WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB, 254 }; 255 256 static const u8 tm_if_types_ext_capa_sta[] = { 257 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 258 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT | 259 WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT, 260 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF | 261 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB, 262 [8] = WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB, 263 [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, 264 }; 265 266 /* Additional interface types for which extended capabilities are 267 * specified separately 268 */ 269 270 #define IWL_MVM_EMLSR_CAPA (IEEE80211_EML_CAP_EMLSR_SUPP | \ 271 IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US << \ 272 __bf_shf(IEEE80211_EML_CAP_EMLSR_PADDING_DELAY) | \ 273 IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US << \ 274 __bf_shf(IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY)) 275 #define IWL_MVM_MLD_CAPA_OPS FIELD_PREP_CONST( \ 276 IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP, \ 277 IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_SAME) 278 279 static const struct wiphy_iftype_ext_capab add_iftypes_ext_capa[] = { 280 { 281 .iftype = NL80211_IFTYPE_STATION, 282 .extended_capabilities = he_if_types_ext_capa_sta, 283 .extended_capabilities_mask = he_if_types_ext_capa_sta, 284 .extended_capabilities_len = sizeof(he_if_types_ext_capa_sta), 285 /* relevant only if EHT is supported */ 286 .eml_capabilities = IWL_MVM_EMLSR_CAPA, 287 .mld_capa_and_ops = IWL_MVM_MLD_CAPA_OPS, 288 }, 289 { 290 .iftype = NL80211_IFTYPE_STATION, 291 .extended_capabilities = tm_if_types_ext_capa_sta, 292 .extended_capabilities_mask = tm_if_types_ext_capa_sta, 293 .extended_capabilities_len = sizeof(tm_if_types_ext_capa_sta), 294 /* relevant only if EHT is supported */ 295 .eml_capabilities = IWL_MVM_EMLSR_CAPA, 296 .mld_capa_and_ops = IWL_MVM_MLD_CAPA_OPS, 297 }, 298 }; 299 300 int iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) 301 { 302 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 303 *tx_ant = iwl_mvm_get_valid_tx_ant(mvm); 304 *rx_ant = iwl_mvm_get_valid_rx_ant(mvm); 305 return 0; 306 } 307 308 int iwl_mvm_op_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 309 { 310 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 311 312 /* This has been tested on those devices only */ 313 if (mvm->trans->trans_cfg->device_family != IWL_DEVICE_FAMILY_9000 && 314 mvm->trans->trans_cfg->device_family != IWL_DEVICE_FAMILY_22000) 315 return -EOPNOTSUPP; 316 317 if (!mvm->nvm_data) 318 return -EBUSY; 319 320 /* mac80211 ensures the device is not started, 321 * so the firmware cannot be running 322 */ 323 324 mvm->set_tx_ant = tx_ant; 325 mvm->set_rx_ant = rx_ant; 326 327 iwl_reinit_cab(mvm->trans, mvm->nvm_data, tx_ant, rx_ant, mvm->fw); 328 329 return 0; 330 } 331 332 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) 333 { 334 struct ieee80211_hw *hw = mvm->hw; 335 int num_mac, ret, i; 336 static const u32 mvm_ciphers[] = { 337 WLAN_CIPHER_SUITE_WEP40, 338 WLAN_CIPHER_SUITE_WEP104, 339 WLAN_CIPHER_SUITE_TKIP, 340 WLAN_CIPHER_SUITE_CCMP, 341 }; 342 #ifdef CONFIG_PM_SLEEP 343 bool unified = fw_has_capa(&mvm->fw->ucode_capa, 344 IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); 345 #endif 346 u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); 347 u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); 348 349 /* Tell mac80211 our characteristics */ 350 ieee80211_hw_set(hw, SIGNAL_DBM); 351 ieee80211_hw_set(hw, SPECTRUM_MGMT); 352 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 353 ieee80211_hw_set(hw, WANT_MONITOR_VIF); 354 ieee80211_hw_set(hw, SUPPORTS_PS); 355 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 356 ieee80211_hw_set(hw, AMPDU_AGGREGATION); 357 ieee80211_hw_set(hw, CONNECTION_MONITOR); 358 ieee80211_hw_set(hw, CHANCTX_STA_CSA); 359 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 360 ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); 361 ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); 362 ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); 363 ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); 364 ieee80211_hw_set(hw, BUFF_MMPDU_TXQ); 365 ieee80211_hw_set(hw, STA_MMPDU_TXQ); 366 367 /* Set this early since we need to have it for the check below */ 368 if (mvm->mld_api_is_used && mvm->nvm_data->sku_cap_11be_enable && 369 !iwlwifi_mod_params.disable_11ax && 370 !iwlwifi_mod_params.disable_11be) { 371 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_MLO; 372 /* we handle this already earlier, but need it for MLO */ 373 ieee80211_hw_set(hw, HANDLES_QUIET_CSA); 374 } 375 376 /* With MLD FW API, it tracks timing by itself, 377 * no need for any timing from the host 378 */ 379 if (!mvm->mld_api_is_used) 380 ieee80211_hw_set(hw, TIMING_BEACON_ONLY); 381 382 /* 383 * On older devices, enabling TX A-MSDU occasionally leads to 384 * something getting messed up, the command read from the FIFO 385 * gets out of sync and isn't a TX command, so that we have an 386 * assert EDC. 387 * 388 * It's not clear where the bug is, but since we didn't used to 389 * support A-MSDU until moving the mac80211 iTXQs, just leave it 390 * for older devices. We also don't see this issue on any newer 391 * devices. 392 */ 393 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_9000) 394 ieee80211_hw_set(hw, TX_AMSDU); 395 ieee80211_hw_set(hw, TX_FRAG_LIST); 396 397 if (iwl_mvm_has_tlc_offload(mvm)) { 398 ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); 399 ieee80211_hw_set(hw, HAS_RATE_CONTROL); 400 } 401 402 /* We want to use the mac80211's reorder buffer for 9000 */ 403 if (iwl_mvm_has_new_rx_api(mvm) && 404 mvm->trans->trans_cfg->device_family > IWL_DEVICE_FAMILY_9000) 405 ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); 406 407 if (fw_has_capa(&mvm->fw->ucode_capa, 408 IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) { 409 ieee80211_hw_set(hw, AP_LINK_PS); 410 } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) { 411 /* 412 * we absolutely need this for the new TX API since that comes 413 * with many more queues than the current code can deal with 414 * for station powersave 415 */ 416 return -EINVAL; 417 } 418 419 if (mvm->trans->num_rx_queues > 1) 420 ieee80211_hw_set(hw, USES_RSS); 421 422 if (mvm->trans->max_skb_frags) 423 hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; 424 425 hw->queues = IEEE80211_NUM_ACS; 426 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; 427 hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | 428 IEEE80211_RADIOTAP_MCS_HAVE_STBC; 429 hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | 430 IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; 431 432 hw->radiotap_timestamp.units_pos = 433 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US | 434 IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ; 435 /* this is the case for CCK frames, it's better (only 8) for OFDM */ 436 hw->radiotap_timestamp.accuracy = 22; 437 438 if (!iwl_mvm_has_tlc_offload(mvm)) 439 hw->rate_control_algorithm = RS_NAME; 440 441 hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; 442 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; 443 hw->max_tx_fragments = mvm->trans->max_skb_frags; 444 445 BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); 446 memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); 447 hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); 448 hw->wiphy->cipher_suites = mvm->ciphers; 449 450 if (iwl_mvm_has_new_rx_api(mvm)) { 451 mvm->ciphers[hw->wiphy->n_cipher_suites] = 452 WLAN_CIPHER_SUITE_GCMP; 453 hw->wiphy->n_cipher_suites++; 454 mvm->ciphers[hw->wiphy->n_cipher_suites] = 455 WLAN_CIPHER_SUITE_GCMP_256; 456 hw->wiphy->n_cipher_suites++; 457 } 458 459 if (iwlwifi_mod_params.swcrypto) 460 IWL_ERR(mvm, 461 "iwlmvm doesn't allow to disable HW crypto, check swcrypto module parameter\n"); 462 if (!iwlwifi_mod_params.bt_coex_active) 463 IWL_ERR(mvm, 464 "iwlmvm doesn't allow to disable BT Coex, check bt_coex_active module parameter\n"); 465 466 ieee80211_hw_set(hw, MFP_CAPABLE); 467 mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_AES_CMAC; 468 hw->wiphy->n_cipher_suites++; 469 if (iwl_mvm_has_new_rx_api(mvm)) { 470 mvm->ciphers[hw->wiphy->n_cipher_suites] = 471 WLAN_CIPHER_SUITE_BIP_GMAC_128; 472 hw->wiphy->n_cipher_suites++; 473 mvm->ciphers[hw->wiphy->n_cipher_suites] = 474 WLAN_CIPHER_SUITE_BIP_GMAC_256; 475 hw->wiphy->n_cipher_suites++; 476 } 477 478 wiphy_ext_feature_set(hw->wiphy, 479 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY); 480 wiphy_ext_feature_set(hw->wiphy, 481 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT); 482 483 if (fw_has_capa(&mvm->fw->ucode_capa, 484 IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) { 485 wiphy_ext_feature_set(hw->wiphy, 486 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER); 487 hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa; 488 } 489 490 if (sec_key_ver && 491 fw_has_capa(&mvm->fw->ucode_capa, 492 IWL_UCODE_TLV_CAPA_BIGTK_TX_SUPPORT)) 493 wiphy_ext_feature_set(hw->wiphy, 494 NL80211_EXT_FEATURE_BEACON_PROTECTION); 495 else if (fw_has_capa(&mvm->fw->ucode_capa, 496 IWL_UCODE_TLV_CAPA_BIGTK_SUPPORT)) 497 wiphy_ext_feature_set(hw->wiphy, 498 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT); 499 500 if (fw_has_capa(&mvm->fw->ucode_capa, 501 IWL_UCODE_TLV_CAPA_TIME_SYNC_BOTH_FTM_TM)) 502 hw->wiphy->hw_timestamp_max_peers = 1; 503 504 if (fw_has_capa(&mvm->fw->ucode_capa, 505 IWL_UCODE_TLV_CAPA_SPP_AMSDU_SUPPORT)) 506 wiphy_ext_feature_set(hw->wiphy, 507 NL80211_EXT_FEATURE_SPP_AMSDU_SUPPORT); 508 509 ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); 510 hw->wiphy->features |= 511 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 512 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 513 NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 514 515 hw->sta_data_size = sizeof(struct iwl_mvm_sta); 516 hw->vif_data_size = sizeof(struct iwl_mvm_vif); 517 hw->chanctx_data_size = sizeof(u16); 518 hw->txq_data_size = sizeof(struct iwl_mvm_txq); 519 520 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 521 BIT(NL80211_IFTYPE_P2P_CLIENT) | 522 BIT(NL80211_IFTYPE_AP) | 523 BIT(NL80211_IFTYPE_P2P_GO) | 524 BIT(NL80211_IFTYPE_P2P_DEVICE) | 525 BIT(NL80211_IFTYPE_ADHOC); 526 527 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 528 wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); 529 530 /* The new Tx API does not allow to pass the key or keyid of a MPDU to 531 * the hw, preventing us to control which key(id) to use per MPDU. 532 * Till that's fixed we can't use Extended Key ID for the newer cards. 533 */ 534 if (!iwl_mvm_has_new_tx_api(mvm)) 535 wiphy_ext_feature_set(hw->wiphy, 536 NL80211_EXT_FEATURE_EXT_KEY_ID); 537 hw->wiphy->features |= NL80211_FEATURE_HT_IBSS; 538 539 hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; 540 if (iwl_mvm_is_lar_supported(mvm)) 541 hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 542 else 543 hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 544 REGULATORY_DISABLE_BEACON_HINTS; 545 546 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) 547 wiphy_ext_feature_set(hw->wiphy, 548 NL80211_EXT_FEATURE_DFS_CONCURRENT); 549 550 hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 551 hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 552 hw->wiphy->flags |= WIPHY_FLAG_SPLIT_SCAN_6GHZ; 553 554 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; 555 hw->wiphy->n_iface_combinations = 556 ARRAY_SIZE(iwl_mvm_iface_combinations); 557 558 hw->wiphy->max_remain_on_channel_duration = 10000; 559 hw->max_listen_interval = IWL_MVM_CONN_LISTEN_INTERVAL; 560 561 /* Extract MAC address */ 562 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); 563 hw->wiphy->addresses = mvm->addresses; 564 hw->wiphy->n_addresses = 1; 565 566 /* Extract additional MAC addresses if available */ 567 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? 568 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; 569 570 for (i = 1; i < num_mac; i++) { 571 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, 572 ETH_ALEN); 573 mvm->addresses[i].addr[5]++; 574 hw->wiphy->n_addresses++; 575 } 576 577 iwl_mvm_reset_phy_ctxts(mvm); 578 579 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); 580 581 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; 582 583 BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); 584 BUILD_BUG_ON(IWL_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || 585 IWL_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); 586 587 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 588 mvm->max_scans = IWL_MAX_UMAC_SCANS; 589 else 590 mvm->max_scans = IWL_MAX_LMAC_SCANS; 591 592 if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels) 593 hw->wiphy->bands[NL80211_BAND_2GHZ] = 594 &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; 595 if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) { 596 hw->wiphy->bands[NL80211_BAND_5GHZ] = 597 &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; 598 599 if (fw_has_capa(&mvm->fw->ucode_capa, 600 IWL_UCODE_TLV_CAPA_BEAMFORMER) && 601 fw_has_api(&mvm->fw->ucode_capa, 602 IWL_UCODE_TLV_API_LQ_SS_PARAMS)) 603 hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |= 604 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; 605 } 606 if (fw_has_capa(&mvm->fw->ucode_capa, 607 IWL_UCODE_TLV_CAPA_PSC_CHAN_SUPPORT) && 608 mvm->nvm_data->bands[NL80211_BAND_6GHZ].n_channels) 609 hw->wiphy->bands[NL80211_BAND_6GHZ] = 610 &mvm->nvm_data->bands[NL80211_BAND_6GHZ]; 611 612 hw->wiphy->hw_version = mvm->trans->hw_id; 613 614 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) 615 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; 616 else 617 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 618 619 hw->wiphy->max_sched_scan_reqs = 1; 620 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; 621 hw->wiphy->max_match_sets = iwl_umac_scan_get_max_profiles(mvm->fw); 622 /* we create the 802.11 header and zero length SSID IE. */ 623 hw->wiphy->max_sched_scan_ie_len = 624 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; 625 hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; 626 hw->wiphy->max_sched_scan_plan_interval = U16_MAX; 627 628 /* 629 * the firmware uses u8 for num of iterations, but 0xff is saved for 630 * infinite loop, so the maximum number of iterations is actually 254. 631 */ 632 hw->wiphy->max_sched_scan_plan_iterations = 254; 633 634 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | 635 NL80211_FEATURE_LOW_PRIORITY_SCAN | 636 NL80211_FEATURE_P2P_GO_OPPPS | 637 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 638 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; 639 640 /* when firmware supports RLC/SMPS offload, do not set these 641 * driver features, since it's no longer supported by driver. 642 */ 643 if (!iwl_mvm_has_rlc_offload(mvm)) 644 hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS | 645 NL80211_FEATURE_DYNAMIC_SMPS; 646 647 if (fw_has_capa(&mvm->fw->ucode_capa, 648 IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) 649 hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; 650 if (fw_has_capa(&mvm->fw->ucode_capa, 651 IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) 652 hw->wiphy->features |= NL80211_FEATURE_QUIET; 653 654 if (fw_has_capa(&mvm->fw->ucode_capa, 655 IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) 656 hw->wiphy->features |= 657 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; 658 659 if (fw_has_capa(&mvm->fw->ucode_capa, 660 IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) 661 hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; 662 663 if (iwl_fw_lookup_cmd_ver(mvm->fw, WOWLAN_KEK_KCK_MATERIAL, 664 IWL_FW_CMD_VER_UNKNOWN) >= 3) 665 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK; 666 667 if (fw_has_api(&mvm->fw->ucode_capa, 668 IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) { 669 wiphy_ext_feature_set(hw->wiphy, 670 NL80211_EXT_FEATURE_SCAN_START_TIME); 671 wiphy_ext_feature_set(hw->wiphy, 672 NL80211_EXT_FEATURE_BSS_PARENT_TSF); 673 } 674 675 if (iwl_mvm_is_oce_supported(mvm)) { 676 u8 scan_ver = iwl_fw_lookup_cmd_ver(mvm->fw, SCAN_REQ_UMAC, 0); 677 678 wiphy_ext_feature_set(hw->wiphy, 679 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP); 680 wiphy_ext_feature_set(hw->wiphy, 681 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME); 682 wiphy_ext_feature_set(hw->wiphy, 683 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE); 684 685 /* Old firmware also supports probe deferral and suppression */ 686 if (scan_ver < 15) 687 wiphy_ext_feature_set(hw->wiphy, 688 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION); 689 } 690 691 hw->wiphy->iftype_ext_capab = NULL; 692 hw->wiphy->num_iftype_ext_capab = 0; 693 694 if (mvm->nvm_data->sku_cap_11ax_enable && 695 !iwlwifi_mod_params.disable_11ax) { 696 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa; 697 hw->wiphy->num_iftype_ext_capab = 698 ARRAY_SIZE(add_iftypes_ext_capa) - 1; 699 700 ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); 701 ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID); 702 } 703 704 if (iwl_fw_lookup_cmd_ver(mvm->fw, 705 WIDE_ID(DATA_PATH_GROUP, 706 WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD), 707 IWL_FW_CMD_VER_UNKNOWN) >= 1) { 708 IWL_DEBUG_INFO(mvm->trans, "Timing measurement supported\n"); 709 710 if (!hw->wiphy->iftype_ext_capab) { 711 hw->wiphy->num_iftype_ext_capab = 1; 712 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 713 ARRAY_SIZE(add_iftypes_ext_capa) - 1; 714 } else { 715 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 1; 716 } 717 } 718 719 if (iwl_fw_lookup_cmd_ver(mvm->fw, WIDE_ID(LOCATION_GROUP, 720 TOF_RANGE_REQ_CMD), 721 IWL_FW_CMD_VER_UNKNOWN) >= 11) { 722 wiphy_ext_feature_set(hw->wiphy, 723 NL80211_EXT_FEATURE_PROT_RANGE_NEGO_AND_MEASURE); 724 725 if (fw_has_capa(&mvm->fw->ucode_capa, 726 IWL_UCODE_TLV_CAPA_SECURE_LTF_SUPPORT)) 727 wiphy_ext_feature_set(hw->wiphy, 728 NL80211_EXT_FEATURE_SECURE_LTF); 729 } 730 731 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; 732 733 ieee80211_hw_set(hw, DISALLOW_PUNCTURING_5GHZ); 734 735 #ifdef CONFIG_PM_SLEEP 736 if ((unified || mvm->fw->img[IWL_UCODE_WOWLAN].num_sec) && 737 device_can_wakeup(mvm->trans->dev)) { 738 mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | 739 WIPHY_WOWLAN_DISCONNECT | 740 WIPHY_WOWLAN_EAP_IDENTITY_REQ | 741 WIPHY_WOWLAN_RFKILL_RELEASE | 742 WIPHY_WOWLAN_NET_DETECT; 743 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 744 WIPHY_WOWLAN_GTK_REKEY_FAILURE | 745 WIPHY_WOWLAN_4WAY_HANDSHAKE; 746 747 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; 748 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; 749 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; 750 mvm->wowlan.max_nd_match_sets = 751 iwl_umac_scan_get_max_profiles(mvm->fw); 752 hw->wiphy->wowlan = &mvm->wowlan; 753 } 754 #endif 755 756 ret = iwl_mvm_leds_init(mvm); 757 if (ret) 758 return ret; 759 760 if (fw_has_capa(&mvm->fw->ucode_capa, 761 IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { 762 IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); 763 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 764 ieee80211_hw_set(hw, TDLS_WIDER_BW); 765 } 766 767 if (fw_has_capa(&mvm->fw->ucode_capa, 768 IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { 769 IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); 770 hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 771 } 772 773 hw->netdev_features |= mvm->cfg->features; 774 if (!iwl_mvm_is_csum_supported(mvm)) 775 hw->netdev_features &= ~IWL_CSUM_NETIF_FLAGS_MASK; 776 777 if (mvm->cfg->vht_mu_mimo_supported) 778 wiphy_ext_feature_set(hw->wiphy, 779 NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); 780 781 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_PROTECTED_TWT)) 782 wiphy_ext_feature_set(hw->wiphy, 783 NL80211_EXT_FEATURE_PROTECTED_TWT); 784 785 iwl_mvm_vendor_cmds_register(mvm); 786 787 hw->wiphy->available_antennas_tx = iwl_mvm_get_valid_tx_ant(mvm); 788 hw->wiphy->available_antennas_rx = iwl_mvm_get_valid_rx_ant(mvm); 789 790 ret = ieee80211_register_hw(mvm->hw); 791 if (ret) { 792 iwl_mvm_leds_exit(mvm); 793 } 794 795 return ret; 796 } 797 798 static void iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, 799 struct ieee80211_sta *sta) 800 { 801 if (likely(sta)) { 802 if (likely(iwl_mvm_tx_skb_sta(mvm, skb, sta) == 0)) 803 return; 804 } else { 805 if (likely(iwl_mvm_tx_skb_non_sta(mvm, skb) == 0)) 806 return; 807 } 808 809 ieee80211_free_txskb(mvm->hw, skb); 810 } 811 812 void iwl_mvm_mac_tx(struct ieee80211_hw *hw, 813 struct ieee80211_tx_control *control, struct sk_buff *skb) 814 { 815 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 816 struct ieee80211_sta *sta = control->sta; 817 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 818 struct ieee80211_hdr *hdr = (void *)skb->data; 819 bool offchannel = IEEE80211_SKB_CB(skb)->flags & 820 IEEE80211_TX_CTL_TX_OFFCHAN; 821 u32 link_id = u32_get_bits(info->control.flags, 822 IEEE80211_TX_CTRL_MLO_LINK); 823 struct ieee80211_sta *tmp_sta = sta; 824 825 if (iwl_mvm_is_radio_killed(mvm)) { 826 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); 827 goto drop; 828 } 829 830 if (offchannel && 831 !test_bit(IWL_MVM_STATUS_ROC_P2P_RUNNING, &mvm->status) && 832 !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) 833 goto drop; 834 835 /* 836 * bufferable MMPDUs or MMPDUs on STA interfaces come via TXQs 837 * so we treat the others as broadcast 838 */ 839 if (ieee80211_is_mgmt(hdr->frame_control)) 840 sta = NULL; 841 842 /* this shouldn't even happen: just drop */ 843 if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION && 844 !offchannel) 845 goto drop; 846 847 if (tmp_sta && !sta && link_id != IEEE80211_LINK_UNSPECIFIED && 848 !ieee80211_is_probe_resp(hdr->frame_control)) { 849 /* translate MLD addresses to LINK addresses */ 850 struct ieee80211_link_sta *link_sta = 851 rcu_dereference(tmp_sta->link[link_id]); 852 struct ieee80211_bss_conf *link_conf = 853 rcu_dereference(info->control.vif->link_conf[link_id]); 854 struct ieee80211_mgmt *mgmt; 855 856 if (WARN_ON(!link_sta || !link_conf)) 857 goto drop; 858 859 /* if sta is NULL, the frame is a management frame */ 860 mgmt = (void *)hdr; 861 memcpy(mgmt->da, link_sta->addr, ETH_ALEN); 862 memcpy(mgmt->sa, link_conf->addr, ETH_ALEN); 863 memcpy(mgmt->bssid, link_conf->bssid, ETH_ALEN); 864 } 865 866 iwl_mvm_tx_skb(mvm, skb, sta); 867 return; 868 drop: 869 ieee80211_free_txskb(hw, skb); 870 } 871 872 void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq) 873 { 874 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 875 struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 876 struct sk_buff *skb = NULL; 877 878 /* 879 * No need for threads to be pending here, they can leave the first 880 * taker all the work. 881 * 882 * mvmtxq->tx_request logic: 883 * 884 * If 0, no one is currently TXing, set to 1 to indicate current thread 885 * will now start TX and other threads should quit. 886 * 887 * If 1, another thread is currently TXing, set to 2 to indicate to 888 * that thread that there was another request. Since that request may 889 * have raced with the check whether the queue is empty, the TXing 890 * thread should check the queue's status one more time before leaving. 891 * This check is done in order to not leave any TX hanging in the queue 892 * until the next TX invocation (which may not even happen). 893 * 894 * If 2, another thread is currently TXing, and it will already double 895 * check the queue, so do nothing. 896 */ 897 if (atomic_fetch_add_unless(&mvmtxq->tx_request, 1, 2)) 898 return; 899 900 rcu_read_lock(); 901 do { 902 while (likely(!test_bit(IWL_MVM_TXQ_STATE_STOP_FULL, 903 &mvmtxq->state) && 904 !test_bit(IWL_MVM_TXQ_STATE_STOP_REDIRECT, 905 &mvmtxq->state) && 906 !test_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, 907 &mvmtxq->state) && 908 !test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))) { 909 skb = ieee80211_tx_dequeue(hw, txq); 910 911 if (!skb) { 912 if (txq->sta) 913 IWL_DEBUG_TX(mvm, 914 "TXQ of sta %pM tid %d is now empty\n", 915 txq->sta->addr, 916 txq->tid); 917 break; 918 } 919 920 iwl_mvm_tx_skb(mvm, skb, txq->sta); 921 } 922 } while (atomic_dec_return(&mvmtxq->tx_request)); 923 rcu_read_unlock(); 924 } 925 926 void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw, 927 struct ieee80211_txq *txq) 928 { 929 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 930 struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 931 932 if (likely(test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) || 933 !txq->sta) { 934 iwl_mvm_mac_itxq_xmit(hw, txq); 935 return; 936 } 937 938 /* iwl_mvm_mac_itxq_xmit() will later be called by the worker 939 * to handle any packets we leave on the txq now 940 */ 941 942 spin_lock_bh(&mvm->add_stream_lock); 943 /* The list is being deleted only after the queue is fully allocated. */ 944 if (list_empty(&mvmtxq->list) && 945 /* recheck under lock */ 946 !test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) { 947 list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs); 948 schedule_work(&mvm->add_stream_wk); 949 } 950 spin_unlock_bh(&mvm->add_stream_lock); 951 } 952 953 #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ 954 do { \ 955 if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ 956 break; \ 957 iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ 958 } while (0) 959 960 static void 961 iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 962 struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, 963 enum ieee80211_ampdu_mlme_action action) 964 { 965 struct iwl_fw_dbg_trigger_tlv *trig; 966 struct iwl_fw_dbg_trigger_ba *ba_trig; 967 968 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 969 FW_DBG_TRIGGER_BA); 970 if (!trig) 971 return; 972 973 ba_trig = (void *)trig->data; 974 975 switch (action) { 976 case IEEE80211_AMPDU_TX_OPERATIONAL: { 977 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 978 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 979 980 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, 981 "TX AGG START: MAC %pM tid %d ssn %d\n", 982 sta->addr, tid, tid_data->ssn); 983 break; 984 } 985 case IEEE80211_AMPDU_TX_STOP_CONT: 986 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, 987 "TX AGG STOP: MAC %pM tid %d\n", 988 sta->addr, tid); 989 break; 990 case IEEE80211_AMPDU_RX_START: 991 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, 992 "RX AGG START: MAC %pM tid %d ssn %d\n", 993 sta->addr, tid, rx_ba_ssn); 994 break; 995 case IEEE80211_AMPDU_RX_STOP: 996 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, 997 "RX AGG STOP: MAC %pM tid %d\n", 998 sta->addr, tid); 999 break; 1000 default: 1001 break; 1002 } 1003 } 1004 1005 int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, 1006 struct ieee80211_vif *vif, 1007 struct ieee80211_ampdu_params *params) 1008 { 1009 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1010 int ret; 1011 struct ieee80211_sta *sta = params->sta; 1012 enum ieee80211_ampdu_mlme_action action = params->action; 1013 u16 tid = params->tid; 1014 u16 *ssn = ¶ms->ssn; 1015 u16 buf_size = params->buf_size; 1016 bool amsdu = params->amsdu; 1017 u16 timeout = params->timeout; 1018 1019 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", 1020 sta->addr, tid, action); 1021 1022 if (!(mvm->nvm_data->sku_cap_11n_enable)) 1023 return -EACCES; 1024 1025 mutex_lock(&mvm->mutex); 1026 1027 switch (action) { 1028 case IEEE80211_AMPDU_RX_START: 1029 if (iwl_mvm_vif_from_mac80211(vif)->deflink.ap_sta_id == 1030 iwl_mvm_sta_from_mac80211(sta)->deflink.sta_id) { 1031 struct iwl_mvm_vif *mvmvif; 1032 u16 macid = iwl_mvm_vif_from_mac80211(vif)->id; 1033 struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid]; 1034 1035 mdata->opened_rx_ba_sessions = true; 1036 mvmvif = iwl_mvm_vif_from_mac80211(vif); 1037 cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk); 1038 } 1039 if (!iwl_enable_rx_ampdu()) { 1040 ret = -EINVAL; 1041 break; 1042 } 1043 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, 1044 timeout); 1045 break; 1046 case IEEE80211_AMPDU_RX_STOP: 1047 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, 1048 timeout); 1049 break; 1050 case IEEE80211_AMPDU_TX_START: 1051 if (!iwl_enable_tx_ampdu()) { 1052 ret = -EINVAL; 1053 break; 1054 } 1055 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); 1056 break; 1057 case IEEE80211_AMPDU_TX_STOP_CONT: 1058 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); 1059 break; 1060 case IEEE80211_AMPDU_TX_STOP_FLUSH: 1061 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1062 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); 1063 break; 1064 case IEEE80211_AMPDU_TX_OPERATIONAL: 1065 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, 1066 buf_size, amsdu); 1067 break; 1068 default: 1069 WARN_ON_ONCE(1); 1070 ret = -EINVAL; 1071 break; 1072 } 1073 1074 if (!ret) { 1075 u16 rx_ba_ssn = 0; 1076 1077 if (action == IEEE80211_AMPDU_RX_START) 1078 rx_ba_ssn = *ssn; 1079 1080 iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, 1081 rx_ba_ssn, action); 1082 } 1083 mutex_unlock(&mvm->mutex); 1084 1085 return ret; 1086 } 1087 1088 static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, 1089 struct ieee80211_vif *vif) 1090 { 1091 struct iwl_mvm *mvm = data; 1092 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1093 struct iwl_probe_resp_data *probe_data; 1094 unsigned int link_id; 1095 1096 mvmvif->uploaded = false; 1097 1098 spin_lock_bh(&mvm->time_event_lock); 1099 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); 1100 spin_unlock_bh(&mvm->time_event_lock); 1101 1102 mvmvif->roc_activity = ROC_NUM_ACTIVITIES; 1103 1104 mvmvif->bf_enabled = false; 1105 mvmvif->ba_enabled = false; 1106 mvmvif->ap_sta = NULL; 1107 1108 mvmvif->esr_active = false; 1109 vif->driver_flags &= ~IEEE80211_VIF_EML_ACTIVE; 1110 1111 for_each_mvm_vif_valid_link(mvmvif, link_id) { 1112 mvmvif->link[link_id]->ap_sta_id = IWL_MVM_INVALID_STA; 1113 mvmvif->link[link_id]->fw_link_id = IWL_MVM_FW_LINK_ID_INVALID; 1114 mvmvif->link[link_id]->phy_ctxt = NULL; 1115 mvmvif->link[link_id]->active = 0; 1116 mvmvif->link[link_id]->igtk = NULL; 1117 memset(&mvmvif->link[link_id]->bf_data, 0, 1118 sizeof(mvmvif->link[link_id]->bf_data)); 1119 } 1120 1121 probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, 1122 lockdep_is_held(&mvm->mutex)); 1123 if (probe_data) 1124 kfree_rcu(probe_data, rcu_head); 1125 RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); 1126 } 1127 1128 static void iwl_mvm_cleanup_sta_iterator(void *data, struct ieee80211_sta *sta) 1129 { 1130 struct iwl_mvm *mvm = data; 1131 struct iwl_mvm_sta *mvm_sta; 1132 struct ieee80211_vif *vif; 1133 int link_id; 1134 1135 mvm_sta = iwl_mvm_sta_from_mac80211(sta); 1136 vif = mvm_sta->vif; 1137 1138 if (!sta->valid_links) 1139 return; 1140 1141 for (link_id = 0; link_id < ARRAY_SIZE((sta)->link); link_id++) { 1142 struct iwl_mvm_link_sta *mvm_link_sta; 1143 1144 mvm_link_sta = 1145 rcu_dereference_check(mvm_sta->link[link_id], 1146 lockdep_is_held(&mvm->mutex)); 1147 if (mvm_link_sta && !(vif->active_links & BIT(link_id))) { 1148 /* 1149 * We have a link STA but the link is inactive in 1150 * mac80211. This will happen if we failed to 1151 * deactivate the link but mac80211 roll back the 1152 * deactivation of the link. 1153 * Delete the stale data to avoid issues later on. 1154 */ 1155 iwl_mvm_mld_free_sta_link(mvm, mvm_sta, mvm_link_sta, 1156 link_id, false); 1157 } 1158 } 1159 } 1160 1161 static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) 1162 { 1163 iwl_mvm_stop_device(mvm); 1164 1165 mvm->cur_aid = 0; 1166 1167 mvm->scan_status = 0; 1168 mvm->ps_disabled = false; 1169 mvm->rfkill_safe_init_done = false; 1170 1171 /* just in case one was running */ 1172 iwl_mvm_cleanup_roc_te(mvm); 1173 ieee80211_remain_on_channel_expired(mvm->hw); 1174 1175 iwl_mvm_ftm_restart(mvm); 1176 1177 /* 1178 * cleanup all interfaces, even inactive ones, as some might have 1179 * gone down during the HW restart 1180 */ 1181 ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); 1182 1183 /* cleanup stations as links may be gone after restart */ 1184 ieee80211_iterate_stations_atomic(mvm->hw, 1185 iwl_mvm_cleanup_sta_iterator, mvm); 1186 1187 mvm->p2p_device_vif = NULL; 1188 1189 iwl_mvm_reset_phy_ctxts(mvm); 1190 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); 1191 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); 1192 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); 1193 1194 ieee80211_wake_queues(mvm->hw); 1195 1196 mvm->rx_ba_sessions = 0; 1197 mvm->fwrt.dump.conf = FW_DBG_INVALID; 1198 mvm->monitor_on = false; 1199 #ifdef CONFIG_IWLWIFI_DEBUGFS 1200 mvm->beacon_inject_active = false; 1201 #endif 1202 1203 /* keep statistics ticking */ 1204 iwl_mvm_accu_radio_stats(mvm); 1205 } 1206 1207 int __iwl_mvm_mac_start(struct iwl_mvm *mvm) 1208 { 1209 bool fast_resume = false; 1210 int ret; 1211 1212 lockdep_assert_held(&mvm->mutex); 1213 1214 ret = iwl_mvm_mei_get_ownership(mvm); 1215 if (ret) 1216 return ret; 1217 1218 if (mvm->mei_nvm_data) { 1219 /* We got the NIC, we can now free the MEI NVM data */ 1220 kfree(mvm->mei_nvm_data); 1221 mvm->mei_nvm_data = NULL; 1222 1223 /* 1224 * We can't free the nvm_data we allocated based on the SAP 1225 * data because we registered to cfg80211 with the channels 1226 * allocated on mvm->nvm_data. Keep a pointer in temp_nvm_data 1227 * just in order to be able free it later. 1228 * NULLify nvm_data so that we will read the NVM from the 1229 * firmware this time. 1230 */ 1231 mvm->temp_nvm_data = mvm->nvm_data; 1232 mvm->nvm_data = NULL; 1233 } 1234 1235 #ifdef CONFIG_PM_SLEEP 1236 /* fast_resume will be cleared by iwl_mvm_fast_resume */ 1237 fast_resume = mvm->fast_resume; 1238 1239 if (fast_resume) { 1240 ret = iwl_mvm_fast_resume(mvm); 1241 if (ret) { 1242 iwl_mvm_stop_device(mvm); 1243 /* iwl_mvm_up() will be called further down */ 1244 } else { 1245 /* 1246 * We clear IWL_MVM_STATUS_FIRMWARE_RUNNING upon 1247 * mac_down() so that debugfs will stop honoring 1248 * requests after we flush all the workers. 1249 * Set the IWL_MVM_STATUS_FIRMWARE_RUNNING bit again 1250 * now that we are back. This is a bit abusing the 1251 * flag since the firmware wasn't really ever stopped, 1252 * but this still serves the purpose. 1253 */ 1254 set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1255 } 1256 } 1257 #endif /* CONFIG_PM_SLEEP */ 1258 1259 if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { 1260 /* 1261 * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART 1262 * so later code will - from now on - see that we're doing it. 1263 */ 1264 set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1265 clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1266 /* Clean up some internal and mac80211 state on restart */ 1267 iwl_mvm_restart_cleanup(mvm); 1268 } 1269 1270 /* we also want to load the firmware if fast_resume failed */ 1271 if (!fast_resume || ret) 1272 ret = iwl_mvm_up(mvm); 1273 1274 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_POST_INIT, 1275 NULL); 1276 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_PERIODIC, 1277 NULL); 1278 1279 mvm->last_reset_or_resume_time_jiffies = jiffies; 1280 1281 if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1282 /* Something went wrong - we need to finish some cleanup 1283 * that normally iwl_mvm_mac_restart_complete() below 1284 * would do. 1285 */ 1286 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1287 } 1288 1289 return ret; 1290 } 1291 1292 int iwl_mvm_mac_start(struct ieee80211_hw *hw) 1293 { 1294 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1295 int ret; 1296 int retry, max_retry = 0; 1297 1298 mutex_lock(&mvm->mutex); 1299 1300 /* we are starting the mac not in error flow, and restart is enabled */ 1301 if (!test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status) && 1302 iwlwifi_mod_params.fw_restart) { 1303 max_retry = IWL_MAX_INIT_RETRY; 1304 /* 1305 * This will prevent mac80211 recovery flows to trigger during 1306 * init failures 1307 */ 1308 set_bit(IWL_MVM_STATUS_STARTING, &mvm->status); 1309 } 1310 1311 for (retry = 0; retry <= max_retry; retry++) { 1312 ret = __iwl_mvm_mac_start(mvm); 1313 if (!ret) 1314 break; 1315 1316 IWL_ERR(mvm, "mac start retry %d\n", retry); 1317 } 1318 clear_bit(IWL_MVM_STATUS_STARTING, &mvm->status); 1319 1320 mutex_unlock(&mvm->mutex); 1321 1322 iwl_mvm_mei_set_sw_rfkill_state(mvm); 1323 1324 return ret; 1325 } 1326 1327 static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) 1328 { 1329 int ret; 1330 1331 guard(mvm)(mvm); 1332 1333 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1334 1335 ret = iwl_mvm_update_quotas(mvm, true, NULL); 1336 if (ret) 1337 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", 1338 ret); 1339 1340 iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY); 1341 1342 /* 1343 * If we have TDLS peers, remove them. We don't know the last seqno/PN 1344 * of packets the FW sent out, so we must reconnect. 1345 */ 1346 iwl_mvm_teardown_tdls_peers(mvm); 1347 } 1348 1349 void iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, 1350 enum ieee80211_reconfig_type reconfig_type) 1351 { 1352 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1353 1354 switch (reconfig_type) { 1355 case IEEE80211_RECONFIG_TYPE_RESTART: 1356 iwl_mvm_restart_complete(mvm); 1357 break; 1358 case IEEE80211_RECONFIG_TYPE_SUSPEND: 1359 break; 1360 } 1361 } 1362 1363 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm, bool suspend) 1364 { 1365 lockdep_assert_held(&mvm->mutex); 1366 1367 iwl_mvm_ftm_initiator_smooth_stop(mvm); 1368 1369 /* firmware counters are obviously reset now, but we shouldn't 1370 * partially track so also clear the fw_reset_accu counters. 1371 */ 1372 memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); 1373 1374 /* async_handlers_wk is now blocked */ 1375 1376 if (!iwl_mvm_has_new_station_api(mvm->fw)) 1377 iwl_mvm_rm_aux_sta(mvm); 1378 1379 if (suspend && 1380 mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) 1381 iwl_mvm_fast_suspend(mvm); 1382 else 1383 iwl_mvm_stop_device(mvm); 1384 1385 iwl_mvm_async_handlers_purge(mvm); 1386 /* async_handlers_list is empty and will stay empty: HW is stopped */ 1387 1388 /* 1389 * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the 1390 * hw (as restart_complete() won't be called in this case) and mac80211 1391 * won't execute the restart. 1392 * But make sure to cleanup interfaces that have gone down before/during 1393 * HW restart was requested. 1394 */ 1395 if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) || 1396 test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1397 &mvm->status)) 1398 ieee80211_iterate_interfaces(mvm->hw, 0, 1399 iwl_mvm_cleanup_iterator, mvm); 1400 1401 /* We shouldn't have any UIDs still set. Loop over all the UIDs to 1402 * make sure there's nothing left there and warn if any is found. 1403 */ 1404 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1405 int i; 1406 1407 for (i = 0; i < mvm->max_scans; i++) { 1408 if (WARN_ONCE(mvm->scan_uid_status[i], 1409 "UMAC scan UID %d status was not cleaned\n", 1410 i)) 1411 mvm->scan_uid_status[i] = 0; 1412 } 1413 } 1414 } 1415 1416 void iwl_mvm_mac_stop(struct ieee80211_hw *hw, bool suspend) 1417 { 1418 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1419 1420 /* Stop internal MLO scan, if running */ 1421 mutex_lock(&mvm->mutex); 1422 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_INT_MLO, false); 1423 mutex_unlock(&mvm->mutex); 1424 1425 wiphy_work_cancel(mvm->hw->wiphy, &mvm->trig_link_selection_wk); 1426 wiphy_work_flush(mvm->hw->wiphy, &mvm->async_handlers_wiphy_wk); 1427 flush_work(&mvm->async_handlers_wk); 1428 flush_work(&mvm->add_stream_wk); 1429 1430 /* 1431 * Lock and clear the firmware running bit here already, so that 1432 * new commands coming in elsewhere, e.g. from debugfs, will not 1433 * be able to proceed. This is important here because one of those 1434 * debugfs files causes the firmware dump to be triggered, and if we 1435 * don't stop debugfs accesses before canceling that it could be 1436 * retriggered after we flush it but before we've cleared the bit. 1437 */ 1438 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1439 1440 cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); 1441 cancel_delayed_work_sync(&mvm->scan_timeout_dwork); 1442 1443 /* 1444 * The work item could be running or queued if the 1445 * ROC time event stops just as we get here. 1446 */ 1447 flush_work(&mvm->roc_done_wk); 1448 1449 iwl_mvm_mei_set_sw_rfkill_state(mvm); 1450 1451 mutex_lock(&mvm->mutex); 1452 __iwl_mvm_mac_stop(mvm, suspend); 1453 mutex_unlock(&mvm->mutex); 1454 1455 /* 1456 * The worker might have been waiting for the mutex, let it run and 1457 * discover that its list is now empty. 1458 */ 1459 cancel_work_sync(&mvm->async_handlers_wk); 1460 wiphy_work_cancel(hw->wiphy, &mvm->async_handlers_wiphy_wk); 1461 } 1462 1463 struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) 1464 { 1465 u16 i; 1466 1467 lockdep_assert_held(&mvm->mutex); 1468 1469 for (i = 0; i < NUM_PHY_CTX; i++) 1470 if (!mvm->phy_ctxts[i].ref) 1471 return &mvm->phy_ctxts[i]; 1472 1473 IWL_ERR(mvm, "No available PHY context\n"); 1474 return NULL; 1475 } 1476 1477 int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1478 s16 tx_power) 1479 { 1480 u32 cmd_id = REDUCE_TX_POWER_CMD; 1481 int len; 1482 struct iwl_dev_tx_power_cmd_v3_v8 cmd = { 1483 .common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), 1484 .common.mac_context_id = 1485 cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), 1486 }; 1487 struct iwl_dev_tx_power_cmd cmd_v9_v10; 1488 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 3); 1489 u16 u_tx_power = tx_power == IWL_DEFAULT_MAX_TX_POWER ? 1490 IWL_DEV_MAX_TX_POWER : 8 * tx_power; 1491 void *cmd_data = &cmd; 1492 1493 cmd.common.pwr_restriction = cpu_to_le16(u_tx_power); 1494 1495 if (cmd_ver > 8) { 1496 /* Those fields sit on the same place for v9 and v10 */ 1497 cmd_v9_v10.common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC); 1498 cmd_v9_v10.common.mac_context_id = 1499 cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id); 1500 cmd_v9_v10.common.pwr_restriction = cpu_to_le16(u_tx_power); 1501 cmd_data = &cmd_v9_v10; 1502 } 1503 1504 if (cmd_ver == 10) 1505 len = sizeof(cmd_v9_v10.v10); 1506 else if (cmd_ver == 9) 1507 len = sizeof(cmd_v9_v10.v9); 1508 else if (cmd_ver == 8) 1509 len = sizeof(cmd.v8); 1510 else if (cmd_ver == 7) 1511 len = sizeof(cmd.v7); 1512 else if (cmd_ver == 6) 1513 len = sizeof(cmd.v6); 1514 else if (fw_has_api(&mvm->fw->ucode_capa, 1515 IWL_UCODE_TLV_API_REDUCE_TX_POWER)) 1516 len = sizeof(cmd.v5); 1517 else if (fw_has_capa(&mvm->fw->ucode_capa, 1518 IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 1519 len = sizeof(cmd.v4); 1520 else 1521 len = sizeof(cmd.v3); 1522 1523 /* all structs have the same common part, add its length */ 1524 len += sizeof(cmd.common); 1525 1526 if (cmd_ver < 9) 1527 len += sizeof(cmd.per_band); 1528 1529 return iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, len, cmd_data); 1530 1531 } 1532 1533 static void iwl_mvm_post_csa_tx(void *data, struct ieee80211_sta *sta) 1534 { 1535 struct ieee80211_hw *hw = data; 1536 int i; 1537 1538 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) { 1539 struct iwl_mvm_txq *mvmtxq = 1540 iwl_mvm_txq_from_mac80211(sta->txq[i]); 1541 1542 clear_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 1543 iwl_mvm_mac_itxq_xmit(hw, sta->txq[i]); 1544 } 1545 } 1546 1547 int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, 1548 struct ieee80211_vif *vif, 1549 struct ieee80211_bss_conf *link_conf) 1550 { 1551 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1552 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1553 int ret; 1554 1555 mutex_lock(&mvm->mutex); 1556 1557 if (vif->type == NL80211_IFTYPE_STATION) { 1558 struct iwl_mvm_sta *mvmsta; 1559 unsigned int link_id = link_conf->link_id; 1560 u8 ap_sta_id = mvmvif->link[link_id]->ap_sta_id; 1561 1562 mvmvif->csa_bcn_pending = false; 1563 mvmvif->csa_blocks_tx = false; 1564 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, ap_sta_id); 1565 1566 if (WARN_ON(!mvmsta)) { 1567 ret = -EIO; 1568 goto out_unlock; 1569 } 1570 1571 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); 1572 if (mvm->mld_api_is_used) 1573 iwl_mvm_mld_mac_ctxt_changed(mvm, vif, false); 1574 else 1575 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1576 1577 if (!fw_has_capa(&mvm->fw->ucode_capa, 1578 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 1579 ret = iwl_mvm_enable_beacon_filter(mvm, vif); 1580 if (ret) 1581 goto out_unlock; 1582 1583 iwl_mvm_stop_session_protection(mvm, vif); 1584 } 1585 } else if (vif->type == NL80211_IFTYPE_AP && mvmvif->csa_blocks_tx) { 1586 struct iwl_mvm_txq *mvmtxq = 1587 iwl_mvm_txq_from_mac80211(vif->txq); 1588 1589 clear_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 1590 1591 local_bh_disable(); 1592 iwl_mvm_mac_itxq_xmit(hw, vif->txq); 1593 ieee80211_iterate_stations_atomic(hw, iwl_mvm_post_csa_tx, hw); 1594 local_bh_enable(); 1595 1596 mvmvif->csa_blocks_tx = false; 1597 } 1598 1599 mvmvif->ps_disabled = false; 1600 1601 ret = iwl_mvm_power_update_ps(mvm); 1602 1603 out_unlock: 1604 if (mvmvif->csa_failed) 1605 ret = -EIO; 1606 mutex_unlock(&mvm->mutex); 1607 1608 return ret; 1609 } 1610 1611 void iwl_mvm_abort_channel_switch(struct ieee80211_hw *hw, 1612 struct ieee80211_vif *vif, 1613 struct ieee80211_bss_conf *link_conf) 1614 { 1615 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1616 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1617 struct iwl_chan_switch_te_cmd cmd = { 1618 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 1619 mvmvif->color)), 1620 .action = cpu_to_le32(FW_CTXT_ACTION_REMOVE), 1621 }; 1622 1623 /* 1624 * In the new flow since FW is in charge of the timing, 1625 * if driver has canceled the channel switch he will receive the 1626 * CHANNEL_SWITCH_START_NOTIF notification from FW and then cancel it 1627 */ 1628 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 1629 CHANNEL_SWITCH_ERROR_NOTIF, 0)) 1630 return; 1631 1632 IWL_DEBUG_MAC80211(mvm, "Abort CSA on mac %d\n", mvmvif->id); 1633 1634 mutex_lock(&mvm->mutex); 1635 if (!fw_has_capa(&mvm->fw->ucode_capa, 1636 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 1637 iwl_mvm_remove_csa_period(mvm, vif); 1638 else 1639 WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 1640 WIDE_ID(MAC_CONF_GROUP, 1641 CHANNEL_SWITCH_TIME_EVENT_CMD), 1642 0, sizeof(cmd), &cmd)); 1643 mvmvif->csa_failed = true; 1644 mutex_unlock(&mvm->mutex); 1645 1646 /* If we're here, we can't support MLD */ 1647 iwl_mvm_post_channel_switch(hw, vif, &vif->bss_conf); 1648 } 1649 1650 void iwl_mvm_channel_switch_disconnect_wk(struct work_struct *wk) 1651 { 1652 struct iwl_mvm_vif *mvmvif; 1653 struct ieee80211_vif *vif; 1654 1655 mvmvif = container_of(wk, struct iwl_mvm_vif, csa_work.work); 1656 vif = container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1657 1658 /* Trigger disconnect (should clear the CSA state) */ 1659 ieee80211_chswitch_done(vif, false, 0); 1660 } 1661 1662 static u8 1663 iwl_mvm_chandef_get_primary_80(struct cfg80211_chan_def *chandef) 1664 { 1665 int data_start; 1666 int control_start; 1667 int bw; 1668 1669 if (chandef->width == NL80211_CHAN_WIDTH_320) 1670 bw = 320; 1671 else if (chandef->width == NL80211_CHAN_WIDTH_160) 1672 bw = 160; 1673 else 1674 return 0; 1675 1676 /* data is bw wide so the start is half the width */ 1677 data_start = chandef->center_freq1 - bw / 2; 1678 /* control is 20Mhz width */ 1679 control_start = chandef->chan->center_freq - 10; 1680 1681 return (control_start - data_start) / 80; 1682 } 1683 1684 static int iwl_mvm_alloc_bcast_mcast_sta(struct iwl_mvm *mvm, 1685 struct ieee80211_vif *vif) 1686 { 1687 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1688 int ret; 1689 1690 lockdep_assert_held(&mvm->mutex); 1691 1692 ret = iwl_mvm_alloc_bcast_sta(mvm, vif); 1693 if (ret) { 1694 IWL_ERR(mvm, "Failed to allocate bcast sta\n"); 1695 return ret; 1696 } 1697 1698 /* Only queue for this station is the mcast queue, 1699 * which shouldn't be in TFD mask anyway 1700 */ 1701 return iwl_mvm_allocate_int_sta(mvm, &mvmvif->deflink.mcast_sta, 0, 1702 vif->type, 1703 IWL_STA_MULTICAST); 1704 } 1705 1706 static void iwl_mvm_prevent_esr_done_wk(struct wiphy *wiphy, 1707 struct wiphy_work *wk) 1708 { 1709 struct iwl_mvm_vif *mvmvif = 1710 container_of(wk, struct iwl_mvm_vif, prevent_esr_done_wk.work); 1711 struct iwl_mvm *mvm = mvmvif->mvm; 1712 struct ieee80211_vif *vif = 1713 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1714 1715 guard(mvm)(mvm); 1716 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_PREVENTION); 1717 } 1718 1719 static void iwl_mvm_mlo_int_scan_wk(struct wiphy *wiphy, struct wiphy_work *wk) 1720 { 1721 struct iwl_mvm_vif *mvmvif = container_of(wk, struct iwl_mvm_vif, 1722 mlo_int_scan_wk.work); 1723 struct ieee80211_vif *vif = 1724 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1725 1726 guard(mvm)(mvmvif->mvm); 1727 iwl_mvm_int_mlo_scan(mvmvif->mvm, vif); 1728 } 1729 1730 static void iwl_mvm_unblock_esr_tpt(struct wiphy *wiphy, struct wiphy_work *wk) 1731 { 1732 struct iwl_mvm_vif *mvmvif = 1733 container_of(wk, struct iwl_mvm_vif, unblock_esr_tpt_wk); 1734 struct iwl_mvm *mvm = mvmvif->mvm; 1735 struct ieee80211_vif *vif = 1736 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1737 1738 guard(mvm)(mvm); 1739 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TPT); 1740 } 1741 1742 void iwl_mvm_mac_init_mvmvif(struct iwl_mvm *mvm, struct iwl_mvm_vif *mvmvif) 1743 { 1744 lockdep_assert_held(&mvm->mutex); 1745 1746 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1747 return; 1748 1749 INIT_DELAYED_WORK(&mvmvif->csa_work, 1750 iwl_mvm_channel_switch_disconnect_wk); 1751 1752 wiphy_delayed_work_init(&mvmvif->prevent_esr_done_wk, 1753 iwl_mvm_prevent_esr_done_wk); 1754 1755 wiphy_delayed_work_init(&mvmvif->mlo_int_scan_wk, 1756 iwl_mvm_mlo_int_scan_wk); 1757 1758 wiphy_work_init(&mvmvif->unblock_esr_tpt_wk, 1759 iwl_mvm_unblock_esr_tpt); 1760 } 1761 1762 static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, 1763 struct ieee80211_vif *vif) 1764 { 1765 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1766 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1767 int ret; 1768 int i; 1769 1770 mutex_lock(&mvm->mutex); 1771 1772 iwl_mvm_mac_init_mvmvif(mvm, mvmvif); 1773 1774 mvmvif->mvm = mvm; 1775 1776 /* the first link always points to the default one */ 1777 mvmvif->deflink.fw_link_id = IWL_MVM_FW_LINK_ID_INVALID; 1778 mvmvif->deflink.active = 0; 1779 mvmvif->link[0] = &mvmvif->deflink; 1780 1781 ret = iwl_mvm_set_link_mapping(mvm, vif, &vif->bss_conf); 1782 if (ret) 1783 goto out; 1784 1785 /* 1786 * Not much to do here. The stack will not allow interface 1787 * types or combinations that we didn't advertise, so we 1788 * don't really have to check the types. 1789 */ 1790 1791 /* make sure that beacon statistics don't go backwards with FW reset */ 1792 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1793 for_each_mvm_vif_valid_link(mvmvif, i) 1794 mvmvif->link[i]->beacon_stats.accu_num_beacons += 1795 mvmvif->link[i]->beacon_stats.num_beacons; 1796 1797 /* Allocate resources for the MAC context, and add it to the fw */ 1798 ret = iwl_mvm_mac_ctxt_init(mvm, vif); 1799 if (ret) 1800 goto out; 1801 1802 rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif); 1803 1804 /* Currently not much to do for NAN */ 1805 if (vif->type == NL80211_IFTYPE_NAN) { 1806 ret = 0; 1807 goto out; 1808 } 1809 1810 /* 1811 * The AP binding flow can be done only after the beacon 1812 * template is configured (which happens only in the mac80211 1813 * start_ap() flow), and adding the broadcast station can happen 1814 * only after the binding. 1815 * In addition, since modifying the MAC before adding a bcast 1816 * station is not allowed by the FW, delay the adding of MAC context to 1817 * the point where we can also add the bcast station. 1818 * In short: there's not much we can do at this point, other than 1819 * allocating resources :) 1820 */ 1821 if (vif->type == NL80211_IFTYPE_AP || 1822 vif->type == NL80211_IFTYPE_ADHOC) { 1823 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1824 iwl_mvm_vif_dbgfs_add_link(mvm, vif); 1825 ret = 0; 1826 goto out; 1827 } 1828 1829 mvmvif->features |= hw->netdev_features; 1830 1831 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 1832 if (ret) 1833 goto out_unlock; 1834 1835 ret = iwl_mvm_power_update_mac(mvm); 1836 if (ret) 1837 goto out_remove_mac; 1838 1839 /* beacon filtering */ 1840 ret = iwl_mvm_disable_beacon_filter(mvm, vif); 1841 if (ret) 1842 goto out_remove_mac; 1843 1844 if (!mvm->bf_allowed_vif && 1845 vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { 1846 mvm->bf_allowed_vif = mvmvif; 1847 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 1848 IEEE80211_VIF_SUPPORTS_CQM_RSSI; 1849 } 1850 1851 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) 1852 mvm->p2p_device_vif = vif; 1853 1854 iwl_mvm_tcm_add_vif(mvm, vif); 1855 1856 if (vif->type == NL80211_IFTYPE_MONITOR) { 1857 mvm->monitor_on = true; 1858 mvm->monitor_p80 = 1859 iwl_mvm_chandef_get_primary_80(&vif->bss_conf.chanreq.oper); 1860 } 1861 1862 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1863 iwl_mvm_vif_dbgfs_add_link(mvm, vif); 1864 1865 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 1866 vif->type == NL80211_IFTYPE_STATION && !vif->p2p && 1867 !mvm->csme_vif && mvm->mei_registered) { 1868 iwl_mei_set_nic_info(vif->addr, mvm->nvm_data->hw_addr); 1869 iwl_mei_set_netdev(ieee80211_vif_to_wdev(vif)->netdev); 1870 mvm->csme_vif = vif; 1871 } 1872 1873 out: 1874 if (!ret && (vif->type == NL80211_IFTYPE_AP || 1875 vif->type == NL80211_IFTYPE_ADHOC)) 1876 ret = iwl_mvm_alloc_bcast_mcast_sta(mvm, vif); 1877 1878 goto out_unlock; 1879 1880 out_remove_mac: 1881 mvmvif->deflink.phy_ctxt = NULL; 1882 iwl_mvm_mac_ctxt_remove(mvm, vif); 1883 out_unlock: 1884 mutex_unlock(&mvm->mutex); 1885 1886 return ret; 1887 } 1888 1889 void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, 1890 struct ieee80211_vif *vif) 1891 { 1892 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1893 1894 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1895 /* 1896 * Flush the ROC worker which will flush the OFFCHANNEL queue. 1897 * We assume here that all the packets sent to the OFFCHANNEL 1898 * queue are sent in ROC session. 1899 */ 1900 flush_work(&mvm->roc_done_wk); 1901 } 1902 1903 wiphy_delayed_work_cancel(mvm->hw->wiphy, 1904 &mvmvif->prevent_esr_done_wk); 1905 1906 wiphy_delayed_work_cancel(mvm->hw->wiphy, 1907 &mvmvif->mlo_int_scan_wk); 1908 1909 wiphy_work_cancel(mvm->hw->wiphy, &mvmvif->unblock_esr_tpt_wk); 1910 1911 cancel_delayed_work_sync(&mvmvif->csa_work); 1912 } 1913 1914 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, 1915 struct ieee80211_vif *vif) 1916 { 1917 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1918 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1919 struct iwl_probe_resp_data *probe_data; 1920 1921 iwl_mvm_prepare_mac_removal(mvm, vif); 1922 1923 if (!(vif->type == NL80211_IFTYPE_AP || 1924 vif->type == NL80211_IFTYPE_ADHOC)) 1925 iwl_mvm_tcm_rm_vif(mvm, vif); 1926 1927 mutex_lock(&mvm->mutex); 1928 1929 if (vif == mvm->csme_vif) { 1930 iwl_mei_set_netdev(NULL); 1931 mvm->csme_vif = NULL; 1932 } 1933 1934 probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, 1935 lockdep_is_held(&mvm->mutex)); 1936 RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); 1937 if (probe_data) 1938 kfree_rcu(probe_data, rcu_head); 1939 1940 if (mvm->bf_allowed_vif == mvmvif) { 1941 mvm->bf_allowed_vif = NULL; 1942 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1943 IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1944 } 1945 1946 if (vif->bss_conf.ftm_responder) 1947 memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats)); 1948 1949 iwl_mvm_vif_dbgfs_rm_link(mvm, vif); 1950 1951 /* 1952 * For AP/GO interface, the tear down of the resources allocated to the 1953 * interface is be handled as part of the stop_ap flow. 1954 */ 1955 if (vif->type == NL80211_IFTYPE_AP || 1956 vif->type == NL80211_IFTYPE_ADHOC) { 1957 #ifdef CONFIG_NL80211_TESTMODE 1958 if (vif == mvm->noa_vif) { 1959 mvm->noa_vif = NULL; 1960 mvm->noa_duration = 0; 1961 } 1962 #endif 1963 goto out; 1964 } 1965 1966 iwl_mvm_power_update_mac(mvm); 1967 1968 /* Before the interface removal, mac80211 would cancel the ROC, and the 1969 * ROC worker would be scheduled if needed. The worker would be flushed 1970 * in iwl_mvm_prepare_mac_removal() and thus at this point there is no 1971 * binding etc. so nothing needs to be done here. 1972 */ 1973 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1974 if (mvmvif->deflink.phy_ctxt) { 1975 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 1976 mvmvif->deflink.phy_ctxt = NULL; 1977 } 1978 mvm->p2p_device_vif = NULL; 1979 } 1980 1981 iwl_mvm_mac_ctxt_remove(mvm, vif); 1982 1983 RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL); 1984 1985 if (vif->type == NL80211_IFTYPE_MONITOR) 1986 mvm->monitor_on = false; 1987 1988 out: 1989 iwl_mvm_unset_link_mapping(mvm, vif, &vif->bss_conf); 1990 if (vif->type == NL80211_IFTYPE_AP || 1991 vif->type == NL80211_IFTYPE_ADHOC) { 1992 iwl_mvm_dealloc_int_sta(mvm, &mvmvif->deflink.mcast_sta); 1993 iwl_mvm_dealloc_bcast_sta(mvm, vif); 1994 } 1995 1996 mutex_unlock(&mvm->mutex); 1997 } 1998 1999 struct iwl_mvm_mc_iter_data { 2000 struct iwl_mvm *mvm; 2001 int port_id; 2002 }; 2003 2004 static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, 2005 struct ieee80211_vif *vif) 2006 { 2007 struct iwl_mvm_mc_iter_data *data = _data; 2008 struct iwl_mvm *mvm = data->mvm; 2009 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; 2010 struct iwl_host_cmd hcmd = { 2011 .id = MCAST_FILTER_CMD, 2012 .flags = CMD_ASYNC, 2013 .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 2014 }; 2015 int ret, len; 2016 2017 /* if we don't have free ports, mcast frames will be dropped */ 2018 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) 2019 return; 2020 2021 if (vif->type != NL80211_IFTYPE_STATION || 2022 !vif->cfg.assoc) 2023 return; 2024 2025 cmd->port_id = data->port_id++; 2026 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 2027 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); 2028 2029 hcmd.len[0] = len; 2030 hcmd.data[0] = cmd; 2031 2032 ret = iwl_mvm_send_cmd(mvm, &hcmd); 2033 if (ret) 2034 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); 2035 } 2036 2037 static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) 2038 { 2039 struct iwl_mvm_mc_iter_data iter_data = { 2040 .mvm = mvm, 2041 }; 2042 int ret; 2043 2044 lockdep_assert_held(&mvm->mutex); 2045 2046 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) 2047 return; 2048 2049 ieee80211_iterate_active_interfaces_atomic( 2050 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2051 iwl_mvm_mc_iface_iterator, &iter_data); 2052 2053 /* 2054 * Send a (synchronous) ech command so that we wait for the 2055 * multiple asynchronous MCAST_FILTER_CMD commands sent by 2056 * the interface iterator. Otherwise, we might get here over 2057 * and over again (by userspace just sending a lot of these) 2058 * and the CPU can send them faster than the firmware can 2059 * process them. 2060 * Note that the CPU is still faster - but with this we'll 2061 * actually send fewer commands overall because the CPU will 2062 * not schedule the work in mac80211 as frequently if it's 2063 * still running when rescheduled (possibly multiple times). 2064 */ 2065 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); 2066 if (ret) 2067 IWL_ERR(mvm, "Failed to synchronize multicast groups update\n"); 2068 } 2069 2070 u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, 2071 struct netdev_hw_addr_list *mc_list) 2072 { 2073 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2074 struct iwl_mcast_filter_cmd *cmd; 2075 struct netdev_hw_addr *addr; 2076 int addr_count; 2077 bool pass_all; 2078 int len; 2079 2080 addr_count = netdev_hw_addr_list_count(mc_list); 2081 pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || 2082 IWL_MVM_FW_MCAST_FILTER_PASS_ALL; 2083 if (pass_all) 2084 addr_count = 0; 2085 2086 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); 2087 cmd = kzalloc(len, GFP_ATOMIC); 2088 if (!cmd) 2089 return 0; 2090 2091 if (pass_all) { 2092 cmd->pass_all = 1; 2093 return (u64)(unsigned long)cmd; 2094 } 2095 2096 netdev_hw_addr_list_for_each(addr, mc_list) { 2097 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", 2098 cmd->count, addr->addr); 2099 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], 2100 addr->addr, ETH_ALEN); 2101 cmd->count++; 2102 } 2103 2104 return (u64)(unsigned long)cmd; 2105 } 2106 2107 void iwl_mvm_configure_filter(struct ieee80211_hw *hw, 2108 unsigned int changed_flags, 2109 unsigned int *total_flags, u64 multicast) 2110 { 2111 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2112 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; 2113 2114 guard(mvm)(mvm); 2115 2116 /* replace previous configuration */ 2117 kfree(mvm->mcast_filter_cmd); 2118 mvm->mcast_filter_cmd = cmd; 2119 2120 if (!cmd) 2121 goto out; 2122 2123 if (changed_flags & FIF_ALLMULTI) 2124 cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); 2125 2126 if (cmd->pass_all) 2127 cmd->count = 0; 2128 2129 iwl_mvm_recalc_multicast(mvm); 2130 out: 2131 *total_flags = 0; 2132 } 2133 2134 static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, 2135 struct ieee80211_vif *vif, 2136 unsigned int filter_flags, 2137 unsigned int changed_flags) 2138 { 2139 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2140 2141 /* We support only filter for probe requests */ 2142 if (!(changed_flags & FIF_PROBE_REQ)) 2143 return; 2144 2145 /* Supported only for p2p client interfaces */ 2146 if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc || 2147 !vif->p2p) 2148 return; 2149 2150 guard(mvm)(mvm); 2151 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2152 } 2153 2154 int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 2155 { 2156 struct iwl_mu_group_mgmt_cmd cmd = {}; 2157 2158 memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, 2159 WLAN_MEMBERSHIP_LEN); 2160 memcpy(cmd.user_position, vif->bss_conf.mu_group.position, 2161 WLAN_USER_POSITION_LEN); 2162 2163 return iwl_mvm_send_cmd_pdu(mvm, 2164 WIDE_ID(DATA_PATH_GROUP, 2165 UPDATE_MU_GROUPS_CMD), 2166 0, sizeof(cmd), &cmd); 2167 } 2168 2169 static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, 2170 struct ieee80211_vif *vif) 2171 { 2172 if (vif->bss_conf.mu_mimo_owner) { 2173 struct iwl_mu_group_mgmt_notif *notif = _data; 2174 2175 /* 2176 * MU-MIMO Group Id action frame is little endian. We treat 2177 * the data received from firmware as if it came from the 2178 * action frame, so no conversion is needed. 2179 */ 2180 ieee80211_update_mu_groups(vif, 0, 2181 (u8 *)¬if->membership_status, 2182 (u8 *)¬if->user_position); 2183 } 2184 } 2185 2186 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 2187 struct iwl_rx_cmd_buffer *rxb) 2188 { 2189 struct iwl_rx_packet *pkt = rxb_addr(rxb); 2190 struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; 2191 2192 ieee80211_iterate_active_interfaces_atomic( 2193 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2194 iwl_mvm_mu_mimo_iface_iterator, notif); 2195 } 2196 2197 static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit) 2198 { 2199 u8 byte_num = ppe_pos_bit / 8; 2200 u8 bit_num = ppe_pos_bit % 8; 2201 u8 residue_bits; 2202 u8 res; 2203 2204 if (bit_num <= 5) 2205 return (ppe[byte_num] >> bit_num) & 2206 (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); 2207 2208 /* 2209 * If bit_num > 5, we have to combine bits with next byte. 2210 * Calculate how many bits we need to take from current byte (called 2211 * here "residue_bits"), and add them to bits from next byte. 2212 */ 2213 2214 residue_bits = 8 - bit_num; 2215 2216 res = (ppe[byte_num + 1] & 2217 (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) << 2218 residue_bits; 2219 res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); 2220 2221 return res; 2222 } 2223 2224 static void iwl_mvm_parse_ppe(struct iwl_mvm *mvm, 2225 struct iwl_he_pkt_ext_v2 *pkt_ext, u8 nss, 2226 u8 ru_index_bitmap, u8 *ppe, u8 ppe_pos_bit, 2227 bool inheritance) 2228 { 2229 int i; 2230 2231 /* 2232 * FW currently supports only nss == MAX_HE_SUPP_NSS 2233 * 2234 * If nss > MAX: we can ignore values we don't support 2235 * If nss < MAX: we can set zeros in other streams 2236 */ 2237 if (nss > MAX_HE_SUPP_NSS) { 2238 IWL_DEBUG_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, 2239 MAX_HE_SUPP_NSS); 2240 nss = MAX_HE_SUPP_NSS; 2241 } 2242 2243 for (i = 0; i < nss; i++) { 2244 u8 ru_index_tmp = ru_index_bitmap << 1; 2245 u8 low_th = IWL_HE_PKT_EXT_NONE, high_th = IWL_HE_PKT_EXT_NONE; 2246 u8 bw; 2247 2248 for (bw = 0; 2249 bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2250 bw++) { 2251 ru_index_tmp >>= 1; 2252 2253 /* 2254 * According to the 11be spec, if for a specific BW the PPE Thresholds 2255 * isn't present - it should inherit the thresholds from the last 2256 * BW for which we had PPE Thresholds. In 11ax though, we don't have 2257 * this inheritance - continue in this case 2258 */ 2259 if (!(ru_index_tmp & 1)) { 2260 if (inheritance) 2261 goto set_thresholds; 2262 else 2263 continue; 2264 } 2265 2266 high_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2267 ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2268 low_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2269 ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2270 2271 set_thresholds: 2272 pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2273 pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2274 } 2275 } 2276 } 2277 2278 static void iwl_mvm_set_pkt_ext_from_he_ppe(struct iwl_mvm *mvm, 2279 struct ieee80211_link_sta *link_sta, 2280 struct iwl_he_pkt_ext_v2 *pkt_ext, 2281 bool inheritance) 2282 { 2283 u8 nss = (link_sta->he_cap.ppe_thres[0] & 2284 IEEE80211_PPE_THRES_NSS_MASK) + 1; 2285 u8 *ppe = &link_sta->he_cap.ppe_thres[0]; 2286 u8 ru_index_bitmap = 2287 u8_get_bits(*ppe, 2288 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK); 2289 /* Starting after PPE header */ 2290 u8 ppe_pos_bit = IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE; 2291 2292 iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, ppe, ppe_pos_bit, 2293 inheritance); 2294 } 2295 2296 static int 2297 iwl_mvm_set_pkt_ext_from_nominal_padding(struct iwl_he_pkt_ext_v2 *pkt_ext, 2298 u8 nominal_padding) 2299 { 2300 int low_th = -1; 2301 int high_th = -1; 2302 int i; 2303 2304 /* all the macros are the same for EHT and HE */ 2305 switch (nominal_padding) { 2306 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US: 2307 low_th = IWL_HE_PKT_EXT_NONE; 2308 high_th = IWL_HE_PKT_EXT_NONE; 2309 break; 2310 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US: 2311 low_th = IWL_HE_PKT_EXT_BPSK; 2312 high_th = IWL_HE_PKT_EXT_NONE; 2313 break; 2314 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US: 2315 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US: 2316 low_th = IWL_HE_PKT_EXT_NONE; 2317 high_th = IWL_HE_PKT_EXT_BPSK; 2318 break; 2319 } 2320 2321 if (low_th < 0 || high_th < 0) 2322 return -EINVAL; 2323 2324 /* Set the PPE thresholds accordingly */ 2325 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2326 u8 bw; 2327 2328 for (bw = 0; 2329 bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2330 bw++) { 2331 pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2332 pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2333 } 2334 } 2335 2336 return 0; 2337 } 2338 2339 static void iwl_mvm_get_optimal_ppe_info(struct iwl_he_pkt_ext_v2 *pkt_ext, 2340 u8 nominal_padding) 2341 { 2342 int i; 2343 2344 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2345 u8 bw; 2346 2347 for (bw = 0; bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2348 bw++) { 2349 u8 *qam_th = &pkt_ext->pkt_ext_qam_th[i][bw][0]; 2350 2351 if (nominal_padding > 2352 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2353 qam_th[1] == IWL_HE_PKT_EXT_NONE) 2354 qam_th[1] = IWL_HE_PKT_EXT_4096QAM; 2355 else if (nominal_padding == 2356 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2357 qam_th[0] == IWL_HE_PKT_EXT_NONE && 2358 qam_th[1] == IWL_HE_PKT_EXT_NONE) 2359 qam_th[0] = IWL_HE_PKT_EXT_4096QAM; 2360 } 2361 } 2362 } 2363 2364 /* Set the pkt_ext field according to PPE Thresholds element */ 2365 int iwl_mvm_set_sta_pkt_ext(struct iwl_mvm *mvm, 2366 struct ieee80211_link_sta *link_sta, 2367 struct iwl_he_pkt_ext_v2 *pkt_ext) 2368 { 2369 u8 nominal_padding; 2370 int i, ret = 0; 2371 2372 if (WARN_ON(!link_sta)) 2373 return -EINVAL; 2374 2375 /* Initialize the PPE thresholds to "None" (7), as described in Table 2376 * 9-262ac of 80211.ax/D3.0. 2377 */ 2378 memset(pkt_ext, IWL_HE_PKT_EXT_NONE, 2379 sizeof(struct iwl_he_pkt_ext_v2)); 2380 2381 if (link_sta->eht_cap.has_eht) { 2382 nominal_padding = 2383 u8_get_bits(link_sta->eht_cap.eht_cap_elem.phy_cap_info[5], 2384 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK); 2385 2386 /* If PPE Thresholds exists, parse them into a FW-familiar 2387 * format. 2388 */ 2389 if (link_sta->eht_cap.eht_cap_elem.phy_cap_info[5] & 2390 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) { 2391 u8 nss = (link_sta->eht_cap.eht_ppe_thres[0] & 2392 IEEE80211_EHT_PPE_THRES_NSS_MASK) + 1; 2393 u8 *ppe = &link_sta->eht_cap.eht_ppe_thres[0]; 2394 u8 ru_index_bitmap = 2395 u16_get_bits(*ppe, 2396 IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK); 2397 /* Starting after PPE header */ 2398 u8 ppe_pos_bit = IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE; 2399 2400 iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, 2401 ppe, ppe_pos_bit, true); 2402 /* EHT PPE Thresholds doesn't exist - set the API according to 2403 * HE PPE Tresholds 2404 */ 2405 } else if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 2406 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2407 /* Even though HE Capabilities IE doesn't contain PPE 2408 * Thresholds for BW 320Mhz, thresholds for this BW will 2409 * be filled in with the same values as 160Mhz, due to 2410 * the inheritance, as required. 2411 */ 2412 iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 2413 true); 2414 2415 /* According to the requirements, for MCSs 12-13 the 2416 * maximum value between HE PPE Threshold and Common 2417 * Nominal Packet Padding needs to be taken 2418 */ 2419 iwl_mvm_get_optimal_ppe_info(pkt_ext, nominal_padding); 2420 2421 /* if PPE Thresholds doesn't present in both EHT IE and HE IE - 2422 * take the Thresholds from Common Nominal Packet Padding field 2423 */ 2424 } else { 2425 ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 2426 nominal_padding); 2427 } 2428 } else if (link_sta->he_cap.has_he) { 2429 /* If PPE Thresholds exist, parse them into a FW-familiar format. */ 2430 if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 2431 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2432 iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 2433 false); 2434 /* PPE Thresholds doesn't exist - set the API PPE values 2435 * according to Common Nominal Packet Padding field. 2436 */ 2437 } else { 2438 nominal_padding = 2439 u8_get_bits(link_sta->he_cap.he_cap_elem.phy_cap_info[9], 2440 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); 2441 if (nominal_padding != IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED) 2442 ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 2443 nominal_padding); 2444 } 2445 } 2446 2447 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2448 int bw; 2449 2450 for (bw = 0; 2451 bw < ARRAY_SIZE(*pkt_ext->pkt_ext_qam_th[i]); 2452 bw++) { 2453 u8 *qam_th = 2454 &pkt_ext->pkt_ext_qam_th[i][bw][0]; 2455 2456 IWL_DEBUG_HT(mvm, 2457 "PPE table: nss[%d] bw[%d] PPET8 = %d, PPET16 = %d\n", 2458 i, bw, qam_th[0], qam_th[1]); 2459 } 2460 } 2461 return ret; 2462 } 2463 2464 /* 2465 * This function sets the MU EDCA parameters ans returns whether MU EDCA 2466 * is enabled or not 2467 */ 2468 bool iwl_mvm_set_fw_mu_edca_params(struct iwl_mvm *mvm, 2469 const struct iwl_mvm_vif_link_info *link_info, 2470 struct iwl_he_backoff_conf *trig_based_txf) 2471 { 2472 int i; 2473 /* Mark MU EDCA as enabled, unless none detected on some AC */ 2474 bool mu_edca_enabled = true; 2475 2476 for (i = 0; i < IEEE80211_NUM_ACS; i++) { 2477 const struct ieee80211_he_mu_edca_param_ac_rec *mu_edca = 2478 &link_info->queue_params[i].mu_edca_param_rec; 2479 u8 ac = iwl_mvm_mac80211_ac_to_ucode_ac(i); 2480 2481 if (!link_info->queue_params[i].mu_edca) { 2482 mu_edca_enabled = false; 2483 break; 2484 } 2485 2486 trig_based_txf[ac].cwmin = 2487 cpu_to_le16(mu_edca->ecw_min_max & 0xf); 2488 trig_based_txf[ac].cwmax = 2489 cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4); 2490 trig_based_txf[ac].aifsn = 2491 cpu_to_le16(mu_edca->aifsn & 0xf); 2492 trig_based_txf[ac].mu_time = 2493 cpu_to_le16(mu_edca->mu_edca_timer); 2494 } 2495 2496 return mu_edca_enabled; 2497 } 2498 2499 bool iwl_mvm_is_nic_ack_enabled(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 2500 { 2501 const struct ieee80211_supported_band *sband; 2502 const struct ieee80211_sta_he_cap *own_he_cap = NULL; 2503 2504 /* This capability is the same for all bands, 2505 * so take it from one of them. 2506 */ 2507 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 2508 own_he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 2509 2510 return (own_he_cap && (own_he_cap->he_cap_elem.mac_cap_info[2] & 2511 IEEE80211_HE_MAC_CAP2_ACK_EN)); 2512 } 2513 2514 __le32 iwl_mvm_get_sta_htc_flags(struct ieee80211_sta *sta, 2515 struct ieee80211_link_sta *link_sta) 2516 { 2517 u8 *mac_cap_info = 2518 &link_sta->he_cap.he_cap_elem.mac_cap_info[0]; 2519 __le32 htc_flags = 0; 2520 2521 if (mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) 2522 htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); 2523 if ((mac_cap_info[1] & IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || 2524 (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { 2525 u8 link_adap = 2526 ((mac_cap_info[2] & 2527 IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) + 2528 (mac_cap_info[1] & 2529 IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); 2530 2531 if (link_adap == 2) 2532 htc_flags |= 2533 cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); 2534 else if (link_adap == 3) 2535 htc_flags |= cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); 2536 } 2537 if (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) 2538 htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); 2539 if (mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL) 2540 htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); 2541 if (mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) 2542 htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); 2543 2544 return htc_flags; 2545 } 2546 2547 static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, 2548 struct ieee80211_vif *vif, u8 sta_id) 2549 { 2550 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2551 struct iwl_he_sta_context_cmd_v3 sta_ctxt_cmd = { 2552 .sta_id = sta_id, 2553 .tid_limit = IWL_MAX_TID_COUNT, 2554 .bss_color = vif->bss_conf.he_bss_color.color, 2555 .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, 2556 .frame_time_rts_th = 2557 cpu_to_le16(vif->bss_conf.frame_time_rts_th), 2558 }; 2559 struct iwl_he_sta_context_cmd_v2 sta_ctxt_cmd_v2 = {}; 2560 u32 cmd_id = WIDE_ID(DATA_PATH_GROUP, STA_HE_CTXT_CMD); 2561 u8 ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 2); 2562 int size; 2563 struct ieee80211_sta *sta; 2564 u32 flags; 2565 int i; 2566 void *cmd; 2567 2568 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_MBSSID_HE)) 2569 ver = 1; 2570 2571 switch (ver) { 2572 case 1: 2573 /* same layout as v2 except some data at the end */ 2574 cmd = &sta_ctxt_cmd_v2; 2575 size = sizeof(struct iwl_he_sta_context_cmd_v1); 2576 break; 2577 case 2: 2578 cmd = &sta_ctxt_cmd_v2; 2579 size = sizeof(struct iwl_he_sta_context_cmd_v2); 2580 break; 2581 case 3: 2582 cmd = &sta_ctxt_cmd; 2583 size = sizeof(struct iwl_he_sta_context_cmd_v3); 2584 break; 2585 default: 2586 IWL_ERR(mvm, "bad STA_HE_CTXT_CMD version %d\n", ver); 2587 return; 2588 } 2589 2590 rcu_read_lock(); 2591 2592 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); 2593 if (IS_ERR_OR_NULL(sta)) { 2594 rcu_read_unlock(); 2595 WARN(1, "Can't find STA to configure HE\n"); 2596 return; 2597 } 2598 2599 if (!sta->deflink.he_cap.has_he) { 2600 rcu_read_unlock(); 2601 return; 2602 } 2603 2604 flags = 0; 2605 2606 /* Block 26-tone RU OFDMA transmissions */ 2607 if (mvmvif->deflink.he_ru_2mhz_block) 2608 flags |= STA_CTXT_HE_RU_2MHZ_BLOCK; 2609 2610 /* HTC flags */ 2611 sta_ctxt_cmd.htc_flags = iwl_mvm_get_sta_htc_flags(sta, &sta->deflink); 2612 2613 /* PPE Thresholds */ 2614 if (!iwl_mvm_set_sta_pkt_ext(mvm, &sta->deflink, &sta_ctxt_cmd.pkt_ext)) 2615 flags |= STA_CTXT_HE_PACKET_EXT; 2616 2617 if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 2618 IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP) 2619 flags |= STA_CTXT_HE_32BIT_BA_BITMAP; 2620 2621 if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 2622 IEEE80211_HE_MAC_CAP2_ACK_EN) 2623 flags |= STA_CTXT_HE_ACK_ENABLED; 2624 2625 rcu_read_unlock(); 2626 2627 if (iwl_mvm_set_fw_mu_edca_params(mvm, &mvmvif->deflink, 2628 &sta_ctxt_cmd.trig_based_txf[0])) 2629 flags |= STA_CTXT_HE_MU_EDCA_CW; 2630 2631 if (vif->bss_conf.uora_exists) { 2632 flags |= STA_CTXT_HE_TRIG_RND_ALLOC; 2633 2634 sta_ctxt_cmd.rand_alloc_ecwmin = 2635 vif->bss_conf.uora_ocw_range & 0x7; 2636 sta_ctxt_cmd.rand_alloc_ecwmax = 2637 (vif->bss_conf.uora_ocw_range >> 3) & 0x7; 2638 } 2639 2640 if (!iwl_mvm_is_nic_ack_enabled(mvm, vif)) 2641 flags |= STA_CTXT_HE_NIC_NOT_ACK_ENABLED; 2642 2643 if (vif->bss_conf.nontransmitted) { 2644 flags |= STA_CTXT_HE_REF_BSSID_VALID; 2645 ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr, 2646 vif->bss_conf.transmitter_bssid); 2647 sta_ctxt_cmd.max_bssid_indicator = 2648 vif->bss_conf.bssid_indicator; 2649 sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index; 2650 sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap; 2651 sta_ctxt_cmd.profile_periodicity = 2652 vif->bss_conf.profile_periodicity; 2653 } 2654 2655 sta_ctxt_cmd.flags = cpu_to_le32(flags); 2656 2657 if (ver < 3) { 2658 /* fields before pkt_ext */ 2659 BUILD_BUG_ON(offsetof(typeof(sta_ctxt_cmd), pkt_ext) != 2660 offsetof(typeof(sta_ctxt_cmd_v2), pkt_ext)); 2661 memcpy(&sta_ctxt_cmd_v2, &sta_ctxt_cmd, 2662 offsetof(typeof(sta_ctxt_cmd), pkt_ext)); 2663 2664 /* pkt_ext */ 2665 for (i = 0; 2666 i < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th); 2667 i++) { 2668 u8 bw; 2669 2670 for (bw = 0; 2671 bw < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i]); 2672 bw++) { 2673 BUILD_BUG_ON(sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw]) != 2674 sizeof(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw])); 2675 2676 memcpy(&sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw], 2677 &sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw], 2678 sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw])); 2679 } 2680 } 2681 2682 /* fields after pkt_ext */ 2683 BUILD_BUG_ON(sizeof(sta_ctxt_cmd) - 2684 offsetofend(typeof(sta_ctxt_cmd), pkt_ext) != 2685 sizeof(sta_ctxt_cmd_v2) - 2686 offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext)); 2687 memcpy((u8 *)&sta_ctxt_cmd_v2 + 2688 offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext), 2689 (u8 *)&sta_ctxt_cmd + 2690 offsetofend(typeof(sta_ctxt_cmd), pkt_ext), 2691 sizeof(sta_ctxt_cmd) - 2692 offsetofend(typeof(sta_ctxt_cmd), pkt_ext)); 2693 sta_ctxt_cmd_v2.reserved3 = 0; 2694 } 2695 2696 if (iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, size, cmd)) 2697 IWL_ERR(mvm, "Failed to config FW to work HE!\n"); 2698 } 2699 2700 void iwl_mvm_protect_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2701 u32 duration_override, unsigned int link_id) 2702 { 2703 u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; 2704 u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; 2705 2706 if (duration_override > duration) 2707 duration = duration_override; 2708 2709 /* Try really hard to protect the session and hear a beacon 2710 * The new session protection command allows us to protect the 2711 * session for a much longer time since the firmware will internally 2712 * create two events: a 300TU one with a very high priority that 2713 * won't be fragmented which should be enough for 99% of the cases, 2714 * and another one (which we configure here to be 900TU long) which 2715 * will have a slightly lower priority, but more importantly, can be 2716 * fragmented so that it'll allow other activities to run. 2717 */ 2718 if (fw_has_capa(&mvm->fw->ucode_capa, 2719 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) 2720 iwl_mvm_schedule_session_protection(mvm, vif, 900, 2721 min_duration, false, 2722 link_id); 2723 else 2724 iwl_mvm_protect_session(mvm, vif, duration, 2725 min_duration, 500, false); 2726 } 2727 2728 /* Handle association common part to MLD and non-MLD modes */ 2729 void iwl_mvm_bss_info_changed_station_assoc(struct iwl_mvm *mvm, 2730 struct ieee80211_vif *vif, 2731 u64 changes) 2732 { 2733 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2734 int ret; 2735 int link_id; 2736 2737 /* The firmware tracks the MU-MIMO group on its own. 2738 * However, on HW restart we should restore this data. 2739 */ 2740 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2741 (changes & BSS_CHANGED_MU_GROUPS) && vif->bss_conf.mu_mimo_owner) { 2742 ret = iwl_mvm_update_mu_groups(mvm, vif); 2743 if (ret) 2744 IWL_ERR(mvm, 2745 "failed to update VHT MU_MIMO groups\n"); 2746 } 2747 2748 iwl_mvm_recalc_multicast(mvm); 2749 2750 /* reset rssi values */ 2751 for_each_mvm_vif_valid_link(mvmvif, link_id) 2752 mvmvif->link[link_id]->bf_data.ave_beacon_signal = 0; 2753 2754 iwl_mvm_bt_coex_vif_change(mvm); 2755 iwl_mvm_update_smps_on_active_links(mvm, vif, IWL_MVM_SMPS_REQ_TT, 2756 IEEE80211_SMPS_AUTOMATIC); 2757 if (fw_has_capa(&mvm->fw->ucode_capa, 2758 IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 2759 iwl_mvm_config_scan(mvm); 2760 } 2761 2762 /* Execute the common part for MLD and non-MLD modes */ 2763 void 2764 iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm, 2765 struct ieee80211_vif *vif, 2766 struct ieee80211_bss_conf *link_conf, 2767 u64 changes) 2768 { 2769 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2770 int ret; 2771 2772 if (changes & BSS_CHANGED_BEACON_INFO) { 2773 /* We received a beacon from the associated AP so 2774 * remove the session protection. 2775 */ 2776 iwl_mvm_stop_session_protection(mvm, vif); 2777 2778 iwl_mvm_sf_update(mvm, vif, false); 2779 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif)); 2780 } 2781 2782 if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | 2783 /* Send power command on every beacon change, 2784 * because we may have not enabled beacon abort yet. 2785 */ 2786 BSS_CHANGED_BEACON_INFO)) { 2787 ret = iwl_mvm_power_update_mac(mvm); 2788 if (ret) 2789 IWL_ERR(mvm, "failed to update power mode\n"); 2790 } 2791 2792 if (changes & BSS_CHANGED_CQM) { 2793 struct iwl_mvm_vif_link_info *link_info = 2794 mvmvif->link[link_conf->link_id]; 2795 2796 IWL_DEBUG_MAC80211(mvm, "CQM info_changed\n"); 2797 if (link_info) 2798 link_info->bf_data.last_cqm_event = 0; 2799 2800 if (mvmvif->bf_enabled) { 2801 /* FIXME: need to update per link when FW API will 2802 * support it 2803 */ 2804 ret = iwl_mvm_enable_beacon_filter(mvm, vif); 2805 if (ret) 2806 IWL_ERR(mvm, 2807 "failed to update CQM thresholds\n"); 2808 } 2809 } 2810 2811 if (changes & BSS_CHANGED_BANDWIDTH) 2812 iwl_mvm_update_link_smps(vif, link_conf); 2813 2814 if (changes & BSS_CHANGED_TPE) { 2815 IWL_DEBUG_CALIB(mvm, "Changing TPE\n"); 2816 iwl_mvm_send_ap_tx_power_constraint_cmd(mvm, vif, 2817 link_conf, 2818 false); 2819 } 2820 } 2821 2822 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 2823 struct ieee80211_vif *vif, 2824 struct ieee80211_bss_conf *bss_conf, 2825 u64 changes) 2826 { 2827 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2828 int ret; 2829 int i; 2830 2831 /* 2832 * Re-calculate the tsf id, as the leader-follower relations depend 2833 * on the beacon interval, which was not known when the station 2834 * interface was added. 2835 */ 2836 if (changes & BSS_CHANGED_ASSOC && vif->cfg.assoc) { 2837 if ((vif->bss_conf.he_support && 2838 !iwlwifi_mod_params.disable_11ax)) 2839 iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 2840 2841 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2842 } 2843 2844 /* Update MU EDCA params */ 2845 if (changes & BSS_CHANGED_QOS && mvmvif->associated && 2846 vif->cfg.assoc && 2847 (vif->bss_conf.he_support && !iwlwifi_mod_params.disable_11ax)) 2848 iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 2849 2850 /* 2851 * If we're not associated yet, take the (new) BSSID before associating 2852 * so the firmware knows. If we're already associated, then use the old 2853 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC 2854 * branch for disassociation below. 2855 */ 2856 if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) 2857 memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2858 2859 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->deflink.bssid); 2860 if (ret) 2861 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2862 2863 /* after sending it once, adopt mac80211 data */ 2864 memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2865 mvmvif->associated = vif->cfg.assoc; 2866 2867 if (changes & BSS_CHANGED_ASSOC) { 2868 if (vif->cfg.assoc) { 2869 mvmvif->session_prot_connection_loss = false; 2870 2871 /* clear statistics to get clean beacon counter */ 2872 iwl_mvm_request_statistics(mvm, true); 2873 for_each_mvm_vif_valid_link(mvmvif, i) 2874 memset(&mvmvif->link[i]->beacon_stats, 0, 2875 sizeof(mvmvif->link[i]->beacon_stats)); 2876 2877 /* add quota for this interface */ 2878 ret = iwl_mvm_update_quotas(mvm, true, NULL); 2879 if (ret) { 2880 IWL_ERR(mvm, "failed to update quotas\n"); 2881 return; 2882 } 2883 2884 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2885 &mvm->status) && 2886 !fw_has_capa(&mvm->fw->ucode_capa, 2887 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) { 2888 /* 2889 * If we're restarting then the firmware will 2890 * obviously have lost synchronisation with 2891 * the AP. It will attempt to synchronise by 2892 * itself, but we can make it more reliable by 2893 * scheduling a session protection time event. 2894 * 2895 * The firmware needs to receive a beacon to 2896 * catch up with synchronisation, use 110% of 2897 * the beacon interval. 2898 * 2899 * Set a large maximum delay to allow for more 2900 * than a single interface. 2901 * 2902 * For new firmware versions, rely on the 2903 * firmware. This is relevant for DCM scenarios 2904 * only anyway. 2905 */ 2906 u32 dur = (11 * vif->bss_conf.beacon_int) / 10; 2907 iwl_mvm_protect_session(mvm, vif, dur, dur, 2908 5 * dur, false); 2909 } else if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2910 &mvm->status) && 2911 !vif->bss_conf.dtim_period) { 2912 /* 2913 * If we're not restarting and still haven't 2914 * heard a beacon (dtim period unknown) then 2915 * make sure we still have enough minimum time 2916 * remaining in the time event, since the auth 2917 * might actually have taken quite a while 2918 * (especially for SAE) and so the remaining 2919 * time could be small without us having heard 2920 * a beacon yet. 2921 */ 2922 iwl_mvm_protect_assoc(mvm, vif, 0, 0); 2923 } 2924 2925 iwl_mvm_sf_update(mvm, vif, false); 2926 iwl_mvm_power_vif_assoc(mvm, vif); 2927 if (vif->p2p) { 2928 iwl_mvm_update_smps(mvm, vif, 2929 IWL_MVM_SMPS_REQ_PROT, 2930 IEEE80211_SMPS_DYNAMIC, 0); 2931 } 2932 } else if (mvmvif->deflink.ap_sta_id != IWL_MVM_INVALID_STA) { 2933 iwl_mvm_mei_host_disassociated(mvm); 2934 /* 2935 * If update fails - SF might be running in associated 2936 * mode while disassociated - which is forbidden. 2937 */ 2938 ret = iwl_mvm_sf_update(mvm, vif, false); 2939 WARN_ONCE(ret && 2940 !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 2941 &mvm->status), 2942 "Failed to update SF upon disassociation\n"); 2943 2944 /* 2945 * If we get an assert during the connection (after the 2946 * station has been added, but before the vif is set 2947 * to associated), mac80211 will re-add the station and 2948 * then configure the vif. Since the vif is not 2949 * associated, we would remove the station here and 2950 * this would fail the recovery. 2951 */ 2952 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2953 &mvm->status)) { 2954 /* first remove remaining keys */ 2955 iwl_mvm_sec_key_remove_ap(mvm, vif, 2956 &mvmvif->deflink, 0); 2957 2958 /* 2959 * Remove AP station now that 2960 * the MAC is unassoc 2961 */ 2962 ret = iwl_mvm_rm_sta_id(mvm, vif, 2963 mvmvif->deflink.ap_sta_id); 2964 if (ret) 2965 IWL_ERR(mvm, 2966 "failed to remove AP station\n"); 2967 2968 mvmvif->deflink.ap_sta_id = IWL_MVM_INVALID_STA; 2969 } 2970 2971 /* remove quota for this interface */ 2972 ret = iwl_mvm_update_quotas(mvm, false, NULL); 2973 if (ret) 2974 IWL_ERR(mvm, "failed to update quotas\n"); 2975 2976 /* this will take the cleared BSSID from bss_conf */ 2977 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2978 if (ret) 2979 IWL_ERR(mvm, 2980 "failed to update MAC %pM (clear after unassoc)\n", 2981 vif->addr); 2982 } 2983 2984 iwl_mvm_bss_info_changed_station_assoc(mvm, vif, changes); 2985 } 2986 2987 iwl_mvm_bss_info_changed_station_common(mvm, vif, &vif->bss_conf, 2988 changes); 2989 } 2990 2991 bool iwl_mvm_start_ap_ibss_common(struct ieee80211_hw *hw, 2992 struct ieee80211_vif *vif, 2993 int *ret) 2994 { 2995 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2996 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2997 int i; 2998 2999 lockdep_assert_held(&mvm->mutex); 3000 3001 mvmvif->ap_assoc_sta_count = 0; 3002 3003 /* must be set before quota calculations */ 3004 mvmvif->ap_ibss_active = true; 3005 3006 /* send all the early keys to the device now */ 3007 for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 3008 struct ieee80211_key_conf *key = mvmvif->ap_early_keys[i]; 3009 3010 if (!key) 3011 continue; 3012 3013 mvmvif->ap_early_keys[i] = NULL; 3014 3015 *ret = __iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key); 3016 if (*ret) 3017 return true; 3018 } 3019 3020 if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 3021 iwl_mvm_vif_set_low_latency(mvmvif, true, 3022 LOW_LATENCY_VIF_TYPE); 3023 iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); 3024 } 3025 3026 /* power updated needs to be done before quotas */ 3027 iwl_mvm_power_update_mac(mvm); 3028 3029 return false; 3030 } 3031 3032 static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, 3033 struct ieee80211_vif *vif, 3034 struct ieee80211_bss_conf *link_conf) 3035 { 3036 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3037 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3038 int ret; 3039 3040 mutex_lock(&mvm->mutex); 3041 3042 /* 3043 * Re-calculate the tsf id, as the leader-follower relations depend on 3044 * the beacon interval, which was not known when the AP interface 3045 * was added. 3046 */ 3047 if (vif->type == NL80211_IFTYPE_AP) 3048 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 3049 3050 /* For older devices need to send beacon template before adding mac 3051 * context. For the newer, the beacon is a resource that belongs to a 3052 * MAC, so need to send beacon template after adding the mac. 3053 */ 3054 if (mvm->trans->trans_cfg->device_family > IWL_DEVICE_FAMILY_22000) { 3055 /* Add the mac context */ 3056 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 3057 if (ret) 3058 goto out_unlock; 3059 3060 /* Send the beacon template */ 3061 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 3062 if (ret) 3063 goto out_unlock; 3064 } else { 3065 /* Send the beacon template */ 3066 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 3067 if (ret) 3068 goto out_unlock; 3069 3070 /* Add the mac context */ 3071 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 3072 if (ret) 3073 goto out_unlock; 3074 } 3075 3076 /* Perform the binding */ 3077 ret = iwl_mvm_binding_add_vif(mvm, vif); 3078 if (ret) 3079 goto out_remove; 3080 3081 /* 3082 * This is not very nice, but the simplest: 3083 * For older FWs adding the mcast sta before the bcast station may 3084 * cause assert 0x2b00. 3085 * This is fixed in later FW so make the order of removal depend on 3086 * the TLV 3087 */ 3088 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { 3089 ret = iwl_mvm_add_mcast_sta(mvm, vif); 3090 if (ret) 3091 goto out_unbind; 3092 /* 3093 * Send the bcast station. At this stage the TBTT and DTIM time 3094 * events are added and applied to the scheduler 3095 */ 3096 ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 3097 if (ret) { 3098 iwl_mvm_rm_mcast_sta(mvm, vif); 3099 goto out_unbind; 3100 } 3101 } else { 3102 /* 3103 * Send the bcast station. At this stage the TBTT and DTIM time 3104 * events are added and applied to the scheduler 3105 */ 3106 ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 3107 if (ret) 3108 goto out_unbind; 3109 ret = iwl_mvm_add_mcast_sta(mvm, vif); 3110 if (ret) { 3111 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3112 goto out_unbind; 3113 } 3114 } 3115 3116 if (iwl_mvm_start_ap_ibss_common(hw, vif, &ret)) 3117 goto out_failed; 3118 3119 ret = iwl_mvm_update_quotas(mvm, false, NULL); 3120 if (ret) 3121 goto out_failed; 3122 3123 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 3124 if (vif->p2p && mvm->p2p_device_vif) 3125 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 3126 3127 iwl_mvm_bt_coex_vif_change(mvm); 3128 3129 /* we don't support TDLS during DCM */ 3130 if (iwl_mvm_phy_ctx_count(mvm) > 1) 3131 iwl_mvm_teardown_tdls_peers(mvm); 3132 3133 iwl_mvm_ftm_restart_responder(mvm, vif, &vif->bss_conf); 3134 3135 goto out_unlock; 3136 3137 out_failed: 3138 iwl_mvm_power_update_mac(mvm); 3139 mvmvif->ap_ibss_active = false; 3140 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3141 iwl_mvm_rm_mcast_sta(mvm, vif); 3142 out_unbind: 3143 iwl_mvm_binding_remove_vif(mvm, vif); 3144 out_remove: 3145 iwl_mvm_mac_ctxt_remove(mvm, vif); 3146 out_unlock: 3147 mutex_unlock(&mvm->mutex); 3148 return ret; 3149 } 3150 3151 static int iwl_mvm_start_ap(struct ieee80211_hw *hw, 3152 struct ieee80211_vif *vif, 3153 struct ieee80211_bss_conf *link_conf) 3154 { 3155 return iwl_mvm_start_ap_ibss(hw, vif, link_conf); 3156 } 3157 3158 static int iwl_mvm_start_ibss(struct ieee80211_hw *hw, 3159 struct ieee80211_vif *vif) 3160 { 3161 return iwl_mvm_start_ap_ibss(hw, vif, &vif->bss_conf); 3162 } 3163 3164 /* Common part for MLD and non-MLD ops */ 3165 void iwl_mvm_stop_ap_ibss_common(struct iwl_mvm *mvm, 3166 struct ieee80211_vif *vif) 3167 { 3168 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3169 3170 lockdep_assert_held(&mvm->mutex); 3171 3172 iwl_mvm_prepare_mac_removal(mvm, vif); 3173 3174 /* Handle AP stop while in CSA */ 3175 if (rcu_access_pointer(mvm->csa_vif) == vif) { 3176 iwl_mvm_remove_time_event(mvm, mvmvif, 3177 &mvmvif->time_event_data); 3178 RCU_INIT_POINTER(mvm->csa_vif, NULL); 3179 mvmvif->csa_countdown = false; 3180 } 3181 3182 if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { 3183 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 3184 mvm->csa_tx_block_bcn_timeout = 0; 3185 } 3186 3187 mvmvif->ap_ibss_active = false; 3188 mvm->ap_last_beacon_gp2 = 0; 3189 3190 if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 3191 iwl_mvm_vif_set_low_latency(mvmvif, false, 3192 LOW_LATENCY_VIF_TYPE); 3193 iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); 3194 } 3195 3196 iwl_mvm_bt_coex_vif_change(mvm); 3197 } 3198 3199 static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, 3200 struct ieee80211_vif *vif, 3201 struct ieee80211_bss_conf *link_conf) 3202 { 3203 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3204 3205 guard(mvm)(mvm); 3206 3207 iwl_mvm_stop_ap_ibss_common(mvm, vif); 3208 3209 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 3210 if (vif->p2p && mvm->p2p_device_vif) 3211 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 3212 3213 iwl_mvm_update_quotas(mvm, false, NULL); 3214 3215 iwl_mvm_ftm_responder_clear(mvm, vif); 3216 3217 /* 3218 * This is not very nice, but the simplest: 3219 * For older FWs removing the mcast sta before the bcast station may 3220 * cause assert 0x2b00. 3221 * This is fixed in later FW (which will stop beaconing when removing 3222 * bcast station). 3223 * So make the order of removal depend on the TLV 3224 */ 3225 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 3226 iwl_mvm_rm_mcast_sta(mvm, vif); 3227 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3228 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 3229 iwl_mvm_rm_mcast_sta(mvm, vif); 3230 iwl_mvm_binding_remove_vif(mvm, vif); 3231 3232 iwl_mvm_power_update_mac(mvm); 3233 3234 iwl_mvm_mac_ctxt_remove(mvm, vif); 3235 } 3236 3237 static void iwl_mvm_stop_ap(struct ieee80211_hw *hw, 3238 struct ieee80211_vif *vif, 3239 struct ieee80211_bss_conf *link_conf) 3240 { 3241 iwl_mvm_stop_ap_ibss(hw, vif, link_conf); 3242 } 3243 3244 static void iwl_mvm_stop_ibss(struct ieee80211_hw *hw, 3245 struct ieee80211_vif *vif) 3246 { 3247 iwl_mvm_stop_ap_ibss(hw, vif, &vif->bss_conf); 3248 } 3249 3250 static void 3251 iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, 3252 struct ieee80211_vif *vif, 3253 struct ieee80211_bss_conf *bss_conf, 3254 u64 changes) 3255 { 3256 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3257 3258 /* Changes will be applied when the AP/IBSS is started */ 3259 if (!mvmvif->ap_ibss_active) 3260 return; 3261 3262 if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | 3263 BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && 3264 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) 3265 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 3266 3267 /* Need to send a new beacon template to the FW */ 3268 if (changes & BSS_CHANGED_BEACON && 3269 iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, &vif->bss_conf)) 3270 IWL_WARN(mvm, "Failed updating beacon data\n"); 3271 3272 if (changes & BSS_CHANGED_FTM_RESPONDER) { 3273 int ret = iwl_mvm_ftm_start_responder(mvm, vif, &vif->bss_conf); 3274 3275 if (ret) 3276 IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n", 3277 ret); 3278 } 3279 3280 } 3281 3282 static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, 3283 struct ieee80211_vif *vif, 3284 struct ieee80211_bss_conf *bss_conf, 3285 u64 changes) 3286 { 3287 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3288 3289 guard(mvm)(mvm); 3290 3291 if (changes & BSS_CHANGED_IDLE && !vif->cfg.idle) 3292 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 3293 3294 switch (vif->type) { 3295 case NL80211_IFTYPE_STATION: 3296 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); 3297 break; 3298 case NL80211_IFTYPE_AP: 3299 case NL80211_IFTYPE_ADHOC: 3300 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); 3301 break; 3302 case NL80211_IFTYPE_MONITOR: 3303 if (changes & BSS_CHANGED_MU_GROUPS) 3304 iwl_mvm_update_mu_groups(mvm, vif); 3305 break; 3306 default: 3307 /* shouldn't happen */ 3308 WARN_ON_ONCE(1); 3309 } 3310 3311 if (changes & BSS_CHANGED_TXPOWER) { 3312 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d dBm\n", 3313 bss_conf->txpower); 3314 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 3315 } 3316 } 3317 3318 int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3319 struct ieee80211_scan_request *hw_req) 3320 { 3321 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3322 3323 if (hw_req->req.n_channels == 0 || 3324 hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) 3325 return -EINVAL; 3326 3327 guard(mvm)(mvm); 3328 return iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); 3329 } 3330 3331 void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, 3332 struct ieee80211_vif *vif) 3333 { 3334 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3335 3336 guard(mvm)(mvm); 3337 3338 /* Due to a race condition, it's possible that mac80211 asks 3339 * us to stop a hw_scan when it's already stopped. This can 3340 * happen, for instance, if we stopped the scan ourselves, 3341 * called ieee80211_scan_completed() and the userspace called 3342 * cancel scan scan before ieee80211_scan_work() could run. 3343 * To handle that, simply return if the scan is not running. 3344 */ 3345 if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) 3346 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 3347 } 3348 3349 void 3350 iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, 3351 struct ieee80211_sta *sta, u16 tids, 3352 int num_frames, 3353 enum ieee80211_frame_release_type reason, 3354 bool more_data) 3355 { 3356 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3357 3358 /* Called when we need to transmit (a) frame(s) from mac80211 */ 3359 3360 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3361 tids, more_data, false); 3362 } 3363 3364 void 3365 iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, 3366 struct ieee80211_sta *sta, u16 tids, 3367 int num_frames, 3368 enum ieee80211_frame_release_type reason, 3369 bool more_data) 3370 { 3371 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3372 3373 /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ 3374 3375 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3376 tids, more_data, true); 3377 } 3378 3379 static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 3380 enum sta_notify_cmd cmd, 3381 struct ieee80211_sta *sta) 3382 { 3383 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3384 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 3385 unsigned long txqs = 0, tids = 0; 3386 int tid; 3387 3388 /* 3389 * If we have TVQM then we get too high queue numbers - luckily 3390 * we really shouldn't get here with that because such hardware 3391 * should have firmware supporting buffer station offload. 3392 */ 3393 if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) 3394 return; 3395 3396 spin_lock_bh(&mvmsta->lock); 3397 for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) { 3398 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 3399 3400 if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) 3401 continue; 3402 3403 __set_bit(tid_data->txq_id, &txqs); 3404 3405 if (iwl_mvm_tid_queued(mvm, tid_data) == 0) 3406 continue; 3407 3408 __set_bit(tid, &tids); 3409 } 3410 3411 switch (cmd) { 3412 case STA_NOTIFY_SLEEP: 3413 for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) 3414 ieee80211_sta_set_buffered(sta, tid, true); 3415 3416 if (txqs) 3417 iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); 3418 /* 3419 * The fw updates the STA to be asleep. Tx packets on the Tx 3420 * queues to this station will not be transmitted. The fw will 3421 * send a Tx response with TX_STATUS_FAIL_DEST_PS. 3422 */ 3423 break; 3424 case STA_NOTIFY_AWAKE: 3425 if (WARN_ON(mvmsta->deflink.sta_id == IWL_MVM_INVALID_STA)) 3426 break; 3427 3428 if (txqs) 3429 iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); 3430 iwl_mvm_sta_modify_ps_wake(mvm, sta); 3431 break; 3432 default: 3433 break; 3434 } 3435 spin_unlock_bh(&mvmsta->lock); 3436 } 3437 3438 void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3439 enum sta_notify_cmd cmd, struct ieee80211_sta *sta) 3440 { 3441 __iwl_mvm_mac_sta_notify(hw, cmd, sta); 3442 } 3443 3444 void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 3445 { 3446 struct iwl_rx_packet *pkt = rxb_addr(rxb); 3447 struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; 3448 struct ieee80211_sta *sta; 3449 struct iwl_mvm_sta *mvmsta; 3450 bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); 3451 3452 if (WARN_ON(notif->sta_id >= mvm->fw->ucode_capa.num_stations)) 3453 return; 3454 3455 rcu_read_lock(); 3456 sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); 3457 if (WARN_ON(IS_ERR_OR_NULL(sta))) { 3458 rcu_read_unlock(); 3459 return; 3460 } 3461 3462 mvmsta = iwl_mvm_sta_from_mac80211(sta); 3463 3464 if (!mvmsta->vif || 3465 mvmsta->vif->type != NL80211_IFTYPE_AP) { 3466 rcu_read_unlock(); 3467 return; 3468 } 3469 3470 if (mvmsta->sleeping != sleeping) { 3471 mvmsta->sleeping = sleeping; 3472 __iwl_mvm_mac_sta_notify(mvm->hw, 3473 sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, 3474 sta); 3475 ieee80211_sta_ps_transition(sta, sleeping); 3476 } 3477 3478 if (sleeping) { 3479 switch (notif->type) { 3480 case IWL_MVM_PM_EVENT_AWAKE: 3481 case IWL_MVM_PM_EVENT_ASLEEP: 3482 break; 3483 case IWL_MVM_PM_EVENT_UAPSD: 3484 ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); 3485 break; 3486 case IWL_MVM_PM_EVENT_PS_POLL: 3487 ieee80211_sta_pspoll(sta); 3488 break; 3489 default: 3490 break; 3491 } 3492 } 3493 3494 rcu_read_unlock(); 3495 } 3496 3497 void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, 3498 struct ieee80211_vif *vif, 3499 struct ieee80211_sta *sta) 3500 { 3501 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3502 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3503 unsigned int link_id; 3504 3505 /* 3506 * This is called before mac80211 does RCU synchronisation, 3507 * so here we already invalidate our internal RCU-protected 3508 * station pointer. The rest of the code will thus no longer 3509 * be able to find the station this way, and we don't rely 3510 * on further RCU synchronisation after the sta_state() 3511 * callback deleted the station. 3512 * Since there's mvm->mutex here, no need to have RCU lock for 3513 * mvm_sta->link access. 3514 */ 3515 guard(mvm)(mvm); 3516 for (link_id = 0; link_id < ARRAY_SIZE(mvm_sta->link); link_id++) { 3517 struct iwl_mvm_link_sta *link_sta; 3518 u32 sta_id; 3519 3520 if (!mvm_sta->link[link_id]) 3521 continue; 3522 3523 link_sta = rcu_dereference_protected(mvm_sta->link[link_id], 3524 lockdep_is_held(&mvm->mutex)); 3525 sta_id = link_sta->sta_id; 3526 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[sta_id])) { 3527 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[sta_id], 3528 ERR_PTR(-ENOENT)); 3529 RCU_INIT_POINTER(mvm->fw_id_to_link_sta[sta_id], NULL); 3530 } 3531 } 3532 } 3533 3534 static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 3535 const u8 *bssid) 3536 { 3537 int i; 3538 3539 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 3540 struct iwl_mvm_tcm_mac *mdata; 3541 3542 mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; 3543 ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); 3544 mdata->opened_rx_ba_sessions = false; 3545 } 3546 3547 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) 3548 return; 3549 3550 if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { 3551 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3552 return; 3553 } 3554 3555 if (!vif->p2p && 3556 (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { 3557 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3558 return; 3559 } 3560 3561 for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { 3562 if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { 3563 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3564 return; 3565 } 3566 } 3567 3568 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 3569 } 3570 3571 static void 3572 iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, 3573 struct ieee80211_vif *vif, u8 *peer_addr, 3574 enum nl80211_tdls_operation action) 3575 { 3576 struct iwl_fw_dbg_trigger_tlv *trig; 3577 struct iwl_fw_dbg_trigger_tdls *tdls_trig; 3578 3579 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 3580 FW_DBG_TRIGGER_TDLS); 3581 if (!trig) 3582 return; 3583 3584 tdls_trig = (void *)trig->data; 3585 3586 if (!(tdls_trig->action_bitmap & BIT(action))) 3587 return; 3588 3589 if (tdls_trig->peer_mode && 3590 memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) 3591 return; 3592 3593 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 3594 "TDLS event occurred, peer %pM, action %d", 3595 peer_addr, action); 3596 } 3597 3598 struct iwl_mvm_he_obss_narrow_bw_ru_data { 3599 bool tolerated; 3600 }; 3601 3602 static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy, 3603 struct cfg80211_bss *bss, 3604 void *_data) 3605 { 3606 struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data; 3607 const struct cfg80211_bss_ies *ies; 3608 const struct element *elem; 3609 3610 rcu_read_lock(); 3611 ies = rcu_dereference(bss->ies); 3612 elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, ies->data, 3613 ies->len); 3614 3615 if (!elem || elem->datalen < 10 || 3616 !(elem->data[10] & 3617 WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) { 3618 data->tolerated = false; 3619 } 3620 rcu_read_unlock(); 3621 } 3622 3623 static void 3624 iwl_mvm_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw, 3625 struct ieee80211_vif *vif, 3626 unsigned int link_id, 3627 struct ieee80211_bss_conf *link_conf) 3628 { 3629 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3630 struct iwl_mvm_he_obss_narrow_bw_ru_data iter_data = { 3631 .tolerated = true, 3632 }; 3633 3634 if (WARN_ON_ONCE(!link_conf->chanreq.oper.chan || 3635 !mvmvif->link[link_id])) 3636 return; 3637 3638 if (!(link_conf->chanreq.oper.chan->flags & IEEE80211_CHAN_RADAR)) { 3639 mvmvif->link[link_id]->he_ru_2mhz_block = false; 3640 return; 3641 } 3642 3643 cfg80211_bss_iter(hw->wiphy, &link_conf->chanreq.oper, 3644 iwl_mvm_check_he_obss_narrow_bw_ru_iter, 3645 &iter_data); 3646 3647 /* 3648 * If there is at least one AP on radar channel that cannot 3649 * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU. 3650 */ 3651 mvmvif->link[link_id]->he_ru_2mhz_block = !iter_data.tolerated; 3652 } 3653 3654 static void iwl_mvm_reset_cca_40mhz_workaround(struct iwl_mvm *mvm, 3655 struct ieee80211_vif *vif) 3656 { 3657 struct ieee80211_supported_band *sband; 3658 const struct ieee80211_sta_he_cap *he_cap; 3659 3660 if (vif->type != NL80211_IFTYPE_STATION) 3661 return; 3662 3663 if (!mvm->cca_40mhz_workaround) 3664 return; 3665 3666 /* decrement and check that we reached zero */ 3667 mvm->cca_40mhz_workaround--; 3668 if (mvm->cca_40mhz_workaround) 3669 return; 3670 3671 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 3672 3673 sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 3674 3675 he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 3676 3677 if (he_cap) { 3678 /* we know that ours is writable */ 3679 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; 3680 3681 he->he_cap_elem.phy_cap_info[0] |= 3682 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 3683 } 3684 } 3685 3686 static void iwl_mvm_mei_host_associated(struct iwl_mvm *mvm, 3687 struct ieee80211_vif *vif, 3688 struct iwl_mvm_sta *mvm_sta) 3689 { 3690 #if IS_ENABLED(CONFIG_IWLMEI) 3691 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3692 struct iwl_mei_conn_info conn_info = { 3693 .ssid_len = vif->cfg.ssid_len, 3694 }; 3695 3696 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 3697 return; 3698 3699 if (!mvm->mei_registered) 3700 return; 3701 3702 /* FIXME: MEI needs to be updated for MLO */ 3703 if (!vif->bss_conf.chanreq.oper.chan) 3704 return; 3705 3706 conn_info.channel = vif->bss_conf.chanreq.oper.chan->hw_value; 3707 3708 switch (mvm_sta->pairwise_cipher) { 3709 case WLAN_CIPHER_SUITE_TKIP: 3710 conn_info.pairwise_cipher = IWL_MEI_CIPHER_TKIP; 3711 break; 3712 case WLAN_CIPHER_SUITE_CCMP: 3713 conn_info.pairwise_cipher = IWL_MEI_CIPHER_CCMP; 3714 break; 3715 case WLAN_CIPHER_SUITE_GCMP: 3716 conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP; 3717 break; 3718 case WLAN_CIPHER_SUITE_GCMP_256: 3719 conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP_256; 3720 break; 3721 case 0: 3722 /* open profile */ 3723 break; 3724 default: 3725 /* cipher not supported, don't send anything to iwlmei */ 3726 return; 3727 } 3728 3729 switch (mvmvif->rekey_data.akm) { 3730 case WLAN_AKM_SUITE_SAE & 0xff: 3731 conn_info.auth_mode = IWL_MEI_AKM_AUTH_SAE; 3732 break; 3733 case WLAN_AKM_SUITE_PSK & 0xff: 3734 conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA_PSK; 3735 break; 3736 case WLAN_AKM_SUITE_8021X & 0xff: 3737 conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA; 3738 break; 3739 case 0: 3740 /* open profile */ 3741 conn_info.auth_mode = IWL_MEI_AKM_AUTH_OPEN; 3742 break; 3743 default: 3744 /* auth method / AKM not supported */ 3745 /* TODO: All the FT vesions of these? */ 3746 return; 3747 } 3748 3749 memcpy(conn_info.ssid, vif->cfg.ssid, vif->cfg.ssid_len); 3750 memcpy(conn_info.bssid, vif->bss_conf.bssid, ETH_ALEN); 3751 3752 /* TODO: add support for collocated AP data */ 3753 iwl_mei_host_associated(&conn_info, NULL); 3754 #endif 3755 } 3756 3757 static int iwl_mvm_mac_ctxt_changed_wrapper(struct iwl_mvm *mvm, 3758 struct ieee80211_vif *vif, 3759 bool force_assoc_off) 3760 { 3761 return iwl_mvm_mac_ctxt_changed(mvm, vif, force_assoc_off, NULL); 3762 } 3763 3764 static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 3765 struct ieee80211_vif *vif, 3766 struct ieee80211_sta *sta, 3767 enum ieee80211_sta_state old_state, 3768 enum ieee80211_sta_state new_state) 3769 { 3770 static const struct iwl_mvm_sta_state_ops callbacks = { 3771 .add_sta = iwl_mvm_add_sta, 3772 .update_sta = iwl_mvm_update_sta, 3773 .rm_sta = iwl_mvm_rm_sta, 3774 .mac_ctxt_changed = iwl_mvm_mac_ctxt_changed_wrapper, 3775 }; 3776 3777 return iwl_mvm_mac_sta_state_common(hw, vif, sta, old_state, new_state, 3778 &callbacks); 3779 } 3780 3781 /* FIXME: temporary making two assumptions in all sta handling functions: 3782 * (1) when setting sta state, the link exists and protected 3783 * (2) if a link is valid in sta then it's valid in vif (can 3784 * use same index in the link array) 3785 */ 3786 static void iwl_mvm_rs_rate_init_all_links(struct iwl_mvm *mvm, 3787 struct ieee80211_vif *vif, 3788 struct ieee80211_sta *sta) 3789 { 3790 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3791 unsigned int link_id; 3792 3793 for_each_mvm_vif_valid_link(mvmvif, link_id) { 3794 struct ieee80211_bss_conf *conf = 3795 link_conf_dereference_check(vif, link_id); 3796 struct ieee80211_link_sta *link_sta = 3797 link_sta_dereference_check(sta, link_id); 3798 3799 if (!conf || !link_sta || !mvmvif->link[link_id]->phy_ctxt) 3800 continue; 3801 3802 iwl_mvm_rs_rate_init(mvm, vif, sta, conf, link_sta, 3803 mvmvif->link[link_id]->phy_ctxt->channel->band); 3804 } 3805 } 3806 3807 static bool iwl_mvm_vif_conf_from_sta(struct iwl_mvm *mvm, 3808 struct ieee80211_vif *vif, 3809 struct ieee80211_sta *sta) 3810 { 3811 struct ieee80211_link_sta *link_sta; 3812 unsigned int link_id; 3813 3814 /* Beacon interval check - firmware will crash if the beacon 3815 * interval is less than 16. We can't avoid connecting at all, 3816 * so refuse the station state change, this will cause mac80211 3817 * to abandon attempts to connect to this AP, and eventually 3818 * wpa_s will blocklist the AP... 3819 */ 3820 3821 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3822 struct ieee80211_bss_conf *link_conf = 3823 link_conf_dereference_protected(vif, link_id); 3824 3825 if (!link_conf) 3826 continue; 3827 3828 if (link_conf->beacon_int < IWL_MVM_MIN_BEACON_INTERVAL_TU) { 3829 IWL_ERR(mvm, 3830 "Beacon interval %d for AP %pM is too small\n", 3831 link_conf->beacon_int, link_sta->addr); 3832 return false; 3833 } 3834 3835 link_conf->he_support = link_sta->he_cap.has_he; 3836 } 3837 3838 return true; 3839 } 3840 3841 static void iwl_mvm_vif_set_he_support(struct ieee80211_hw *hw, 3842 struct ieee80211_vif *vif, 3843 struct ieee80211_sta *sta, 3844 bool is_sta) 3845 { 3846 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3847 struct ieee80211_link_sta *link_sta; 3848 unsigned int link_id; 3849 3850 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3851 struct ieee80211_bss_conf *link_conf = 3852 link_conf_dereference_protected(vif, link_id); 3853 3854 if (!link_conf || !mvmvif->link[link_id]) 3855 continue; 3856 3857 link_conf->he_support = link_sta->he_cap.has_he; 3858 3859 if (is_sta) { 3860 mvmvif->link[link_id]->he_ru_2mhz_block = false; 3861 if (link_sta->he_cap.has_he) 3862 iwl_mvm_check_he_obss_narrow_bw_ru(hw, vif, 3863 link_id, 3864 link_conf); 3865 } 3866 } 3867 } 3868 3869 static int 3870 iwl_mvm_sta_state_notexist_to_none(struct iwl_mvm *mvm, 3871 struct ieee80211_vif *vif, 3872 struct ieee80211_sta *sta, 3873 const struct iwl_mvm_sta_state_ops *callbacks) 3874 { 3875 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3876 struct ieee80211_link_sta *link_sta; 3877 unsigned int i; 3878 int ret; 3879 3880 lockdep_assert_held(&mvm->mutex); 3881 3882 if (vif->type == NL80211_IFTYPE_STATION && 3883 !iwl_mvm_vif_conf_from_sta(mvm, vif, sta)) 3884 return -EINVAL; 3885 3886 if (sta->tdls && 3887 (vif->p2p || 3888 iwl_mvm_tdls_sta_count(mvm, NULL) == IWL_MVM_TDLS_STA_COUNT || 3889 iwl_mvm_phy_ctx_count(mvm) > 1)) { 3890 IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); 3891 return -EBUSY; 3892 } 3893 3894 ret = callbacks->add_sta(mvm, vif, sta); 3895 if (sta->tdls && ret == 0) { 3896 iwl_mvm_recalc_tdls_state(mvm, vif, true); 3897 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 3898 NL80211_TDLS_SETUP); 3899 } 3900 3901 if (ret) 3902 return ret; 3903 3904 for_each_sta_active_link(vif, sta, link_sta, i) 3905 link_sta->agg.max_rc_amsdu_len = 1; 3906 3907 ieee80211_sta_recalc_aggregates(sta); 3908 3909 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 3910 mvmvif->ap_sta = sta; 3911 3912 /* 3913 * Initialize the rates here already - this really tells 3914 * the firmware only what the supported legacy rates are 3915 * (may be) since it's initialized already from what the 3916 * AP advertised in the beacon/probe response. This will 3917 * allow the firmware to send auth/assoc frames with one 3918 * of the supported rates already, rather than having to 3919 * use a mandatory rate. 3920 * If we're the AP, we'll just assume mandatory rates at 3921 * this point, but we know nothing about the STA anyway. 3922 */ 3923 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 3924 3925 return 0; 3926 } 3927 3928 static int 3929 iwl_mvm_sta_state_auth_to_assoc(struct ieee80211_hw *hw, 3930 struct iwl_mvm *mvm, 3931 struct ieee80211_vif *vif, 3932 struct ieee80211_sta *sta, 3933 const struct iwl_mvm_sta_state_ops *callbacks) 3934 { 3935 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3936 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3937 struct ieee80211_link_sta *link_sta; 3938 unsigned int link_id; 3939 3940 lockdep_assert_held(&mvm->mutex); 3941 3942 if (vif->type == NL80211_IFTYPE_AP) { 3943 iwl_mvm_vif_set_he_support(hw, vif, sta, false); 3944 mvmvif->ap_assoc_sta_count++; 3945 callbacks->mac_ctxt_changed(mvm, vif, false); 3946 3947 /* since the below is not for MLD API, it's ok to use 3948 * the default bss_conf 3949 */ 3950 if (!mvm->mld_api_is_used && 3951 (vif->bss_conf.he_support && 3952 !iwlwifi_mod_params.disable_11ax)) 3953 iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->deflink.sta_id); 3954 } else if (vif->type == NL80211_IFTYPE_STATION) { 3955 iwl_mvm_vif_set_he_support(hw, vif, sta, true); 3956 3957 callbacks->mac_ctxt_changed(mvm, vif, false); 3958 3959 if (!mvm->mld_api_is_used) 3960 goto out; 3961 3962 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3963 struct ieee80211_bss_conf *link_conf = 3964 link_conf_dereference_protected(vif, link_id); 3965 3966 if (WARN_ON(!link_conf)) 3967 return -EINVAL; 3968 if (!mvmvif->link[link_id]) 3969 continue; 3970 3971 iwl_mvm_link_changed(mvm, vif, link_conf, 3972 LINK_CONTEXT_MODIFY_ALL & 3973 ~LINK_CONTEXT_MODIFY_ACTIVE, 3974 true); 3975 } 3976 } 3977 3978 out: 3979 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 3980 3981 return callbacks->update_sta(mvm, vif, sta); 3982 } 3983 3984 static int 3985 iwl_mvm_sta_state_assoc_to_authorized(struct iwl_mvm *mvm, 3986 struct ieee80211_vif *vif, 3987 struct ieee80211_sta *sta, 3988 const struct iwl_mvm_sta_state_ops *callbacks) 3989 { 3990 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3991 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3992 3993 lockdep_assert_held(&mvm->mutex); 3994 3995 /* we don't support TDLS during DCM */ 3996 if (iwl_mvm_phy_ctx_count(mvm) > 1) 3997 iwl_mvm_teardown_tdls_peers(mvm); 3998 3999 if (sta->tdls) { 4000 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 4001 NL80211_TDLS_ENABLE_LINK); 4002 } else { 4003 /* enable beacon filtering */ 4004 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif)); 4005 4006 mvmvif->authorized = 1; 4007 4008 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 4009 mvmvif->link_selection_res = vif->active_links; 4010 mvmvif->link_selection_primary = 4011 vif->active_links ? __ffs(vif->active_links) : 0; 4012 } 4013 4014 callbacks->mac_ctxt_changed(mvm, vif, false); 4015 iwl_mvm_mei_host_associated(mvm, vif, mvm_sta); 4016 4017 memset(&mvmvif->last_esr_exit, 0, 4018 sizeof(mvmvif->last_esr_exit)); 4019 4020 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TPT, 0); 4021 4022 /* Block until FW notif will arrive */ 4023 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW, 0); 4024 4025 /* when client is authorized (AP station marked as such), 4026 * try to enable the best link(s). 4027 */ 4028 if (vif->type == NL80211_IFTYPE_STATION && 4029 !test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 4030 iwl_mvm_select_links(mvm, vif); 4031 } 4032 4033 mvm_sta->authorized = true; 4034 4035 /* MFP is set by default before the station is authorized. 4036 * Clear it here in case it's not used. 4037 */ 4038 if (!sta->mfp) { 4039 int ret = callbacks->update_sta(mvm, vif, sta); 4040 4041 if (ret) 4042 return ret; 4043 } 4044 4045 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4046 4047 return 0; 4048 } 4049 4050 static int 4051 iwl_mvm_sta_state_authorized_to_assoc(struct iwl_mvm *mvm, 4052 struct ieee80211_vif *vif, 4053 struct ieee80211_sta *sta, 4054 const struct iwl_mvm_sta_state_ops *callbacks) 4055 { 4056 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4057 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 4058 4059 lockdep_assert_held(&mvm->mutex); 4060 4061 mvmsta->authorized = false; 4062 4063 /* once we move into assoc state, need to update rate scale to 4064 * disable using wide bandwidth 4065 */ 4066 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4067 4068 if (!sta->tdls) { 4069 /* Set this but don't call iwl_mvm_mac_ctxt_changed() 4070 * yet to avoid sending high prio again for a little 4071 * time. 4072 */ 4073 mvmvif->authorized = 0; 4074 mvmvif->link_selection_res = 0; 4075 4076 /* disable beacon filtering */ 4077 iwl_mvm_disable_beacon_filter(mvm, vif); 4078 4079 wiphy_delayed_work_cancel(mvm->hw->wiphy, 4080 &mvmvif->prevent_esr_done_wk); 4081 4082 wiphy_delayed_work_cancel(mvm->hw->wiphy, 4083 &mvmvif->mlo_int_scan_wk); 4084 4085 wiphy_work_cancel(mvm->hw->wiphy, &mvmvif->unblock_esr_tpt_wk); 4086 4087 /* No need for the periodic statistics anymore */ 4088 if (ieee80211_vif_is_mld(vif) && mvmvif->esr_active) 4089 iwl_mvm_request_periodic_system_statistics(mvm, false); 4090 } 4091 4092 return 0; 4093 } 4094 4095 /* Common part for MLD and non-MLD modes */ 4096 int iwl_mvm_mac_sta_state_common(struct ieee80211_hw *hw, 4097 struct ieee80211_vif *vif, 4098 struct ieee80211_sta *sta, 4099 enum ieee80211_sta_state old_state, 4100 enum ieee80211_sta_state new_state, 4101 const struct iwl_mvm_sta_state_ops *callbacks) 4102 { 4103 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4104 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4105 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 4106 struct ieee80211_link_sta *link_sta; 4107 unsigned int link_id; 4108 int ret; 4109 4110 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", 4111 sta->addr, old_state, new_state); 4112 4113 /* 4114 * If we are in a STA removal flow and in DQA mode: 4115 * 4116 * This is after the sync_rcu part, so the queues have already been 4117 * flushed. No more TXs on their way in mac80211's path, and no more in 4118 * the queues. 4119 * Also, we won't be getting any new TX frames for this station. 4120 * What we might have are deferred TX frames that need to be taken care 4121 * of. 4122 * 4123 * Drop any still-queued deferred-frame before removing the STA, and 4124 * make sure the worker is no longer handling frames for this STA. 4125 */ 4126 if (old_state == IEEE80211_STA_NONE && 4127 new_state == IEEE80211_STA_NOTEXIST) { 4128 flush_work(&mvm->add_stream_wk); 4129 4130 /* 4131 * No need to make sure deferred TX indication is off since the 4132 * worker will already remove it if it was on 4133 */ 4134 4135 /* 4136 * Additionally, reset the 40 MHz capability if we disconnected 4137 * from the AP now. 4138 */ 4139 iwl_mvm_reset_cca_40mhz_workaround(mvm, vif); 4140 4141 /* Also free dup data just in case any assertions below fail */ 4142 kfree(mvm_sta->dup_data); 4143 } 4144 4145 mutex_lock(&mvm->mutex); 4146 4147 /* this would be a mac80211 bug ... but don't crash, unless we had a 4148 * firmware crash while we were activating a link, in which case it is 4149 * legit to have phy_ctxt = NULL. Don't bother not to WARN if we are in 4150 * recovery flow since we spit tons of error messages anyway. 4151 */ 4152 for_each_sta_active_link(vif, sta, link_sta, link_id) { 4153 if (WARN_ON_ONCE(!mvmvif->link[link_id] || 4154 !mvmvif->link[link_id]->phy_ctxt)) { 4155 mutex_unlock(&mvm->mutex); 4156 return test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 4157 &mvm->status) ? 0 : -EINVAL; 4158 } 4159 } 4160 4161 /* track whether or not the station is associated */ 4162 mvm_sta->sta_state = new_state; 4163 4164 if (old_state == IEEE80211_STA_NOTEXIST && 4165 new_state == IEEE80211_STA_NONE) { 4166 ret = iwl_mvm_sta_state_notexist_to_none(mvm, vif, sta, 4167 callbacks); 4168 if (ret < 0) 4169 goto out_unlock; 4170 } else if (old_state == IEEE80211_STA_NONE && 4171 new_state == IEEE80211_STA_AUTH) { 4172 /* 4173 * EBS may be disabled due to previous failures reported by FW. 4174 * Reset EBS status here assuming environment has been changed. 4175 */ 4176 mvm->last_ebs_successful = true; 4177 iwl_mvm_check_uapsd(mvm, vif, sta->addr); 4178 ret = 0; 4179 } else if (old_state == IEEE80211_STA_AUTH && 4180 new_state == IEEE80211_STA_ASSOC) { 4181 ret = iwl_mvm_sta_state_auth_to_assoc(hw, mvm, vif, sta, 4182 callbacks); 4183 } else if (old_state == IEEE80211_STA_ASSOC && 4184 new_state == IEEE80211_STA_AUTHORIZED) { 4185 ret = iwl_mvm_sta_state_assoc_to_authorized(mvm, vif, sta, 4186 callbacks); 4187 } else if (old_state == IEEE80211_STA_AUTHORIZED && 4188 new_state == IEEE80211_STA_ASSOC) { 4189 ret = iwl_mvm_sta_state_authorized_to_assoc(mvm, vif, sta, 4190 callbacks); 4191 } else if (old_state == IEEE80211_STA_ASSOC && 4192 new_state == IEEE80211_STA_AUTH) { 4193 if (vif->type == NL80211_IFTYPE_AP) { 4194 mvmvif->ap_assoc_sta_count--; 4195 callbacks->mac_ctxt_changed(mvm, vif, false); 4196 } else if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 4197 iwl_mvm_stop_session_protection(mvm, vif); 4198 ret = 0; 4199 } else if (old_state == IEEE80211_STA_AUTH && 4200 new_state == IEEE80211_STA_NONE) { 4201 ret = 0; 4202 } else if (old_state == IEEE80211_STA_NONE && 4203 new_state == IEEE80211_STA_NOTEXIST) { 4204 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { 4205 iwl_mvm_stop_session_protection(mvm, vif); 4206 mvmvif->ap_sta = NULL; 4207 } 4208 ret = callbacks->rm_sta(mvm, vif, sta); 4209 if (sta->tdls) { 4210 iwl_mvm_recalc_tdls_state(mvm, vif, false); 4211 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 4212 NL80211_TDLS_DISABLE_LINK); 4213 } 4214 4215 if (unlikely(ret && 4216 test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 4217 &mvm->status))) 4218 ret = 0; 4219 } else { 4220 ret = -EIO; 4221 } 4222 out_unlock: 4223 mutex_unlock(&mvm->mutex); 4224 4225 if (sta->tdls && ret == 0) { 4226 if (old_state == IEEE80211_STA_NOTEXIST && 4227 new_state == IEEE80211_STA_NONE) 4228 ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); 4229 else if (old_state == IEEE80211_STA_NONE && 4230 new_state == IEEE80211_STA_NOTEXIST) 4231 ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); 4232 } 4233 4234 return ret; 4235 } 4236 4237 int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 4238 { 4239 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4240 4241 mvm->rts_threshold = value; 4242 4243 return 0; 4244 } 4245 4246 void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4247 struct ieee80211_sta *sta, u32 changed) 4248 { 4249 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4250 4251 if (changed & (IEEE80211_RC_BW_CHANGED | 4252 IEEE80211_RC_SUPP_RATES_CHANGED | 4253 IEEE80211_RC_NSS_CHANGED)) 4254 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4255 4256 if (vif->type == NL80211_IFTYPE_STATION && 4257 changed & IEEE80211_RC_NSS_CHANGED) 4258 iwl_mvm_sf_update(mvm, vif, false); 4259 } 4260 4261 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, 4262 struct ieee80211_vif *vif, 4263 unsigned int link_id, u16 ac, 4264 const struct ieee80211_tx_queue_params *params) 4265 { 4266 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4267 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4268 4269 mvmvif->deflink.queue_params[ac] = *params; 4270 4271 /* 4272 * No need to update right away, we'll get BSS_CHANGED_QOS 4273 * The exception is P2P_DEVICE interface which needs immediate update. 4274 */ 4275 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 4276 guard(mvm)(mvm); 4277 return iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4278 } 4279 return 0; 4280 } 4281 4282 void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, 4283 struct ieee80211_vif *vif, 4284 struct ieee80211_prep_tx_info *info) 4285 { 4286 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4287 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4288 4289 if (info->was_assoc && !mvmvif->session_prot_connection_loss) 4290 return; 4291 4292 guard(mvm)(mvm); 4293 iwl_mvm_protect_assoc(mvm, vif, info->duration, info->link_id); 4294 } 4295 4296 void iwl_mvm_mac_mgd_complete_tx(struct ieee80211_hw *hw, 4297 struct ieee80211_vif *vif, 4298 struct ieee80211_prep_tx_info *info) 4299 { 4300 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4301 4302 /* for successful cases (auth/assoc), don't cancel session protection */ 4303 if (info->success) 4304 return; 4305 4306 guard(mvm)(mvm); 4307 iwl_mvm_stop_session_protection(mvm, vif); 4308 } 4309 4310 int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, 4311 struct ieee80211_vif *vif, 4312 struct cfg80211_sched_scan_request *req, 4313 struct ieee80211_scan_ies *ies) 4314 { 4315 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4316 4317 guard(mvm)(mvm); 4318 4319 if (!vif->cfg.idle) 4320 return -EBUSY; 4321 4322 return iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); 4323 } 4324 4325 int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, 4326 struct ieee80211_vif *vif) 4327 { 4328 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4329 int ret; 4330 4331 mutex_lock(&mvm->mutex); 4332 4333 /* Due to a race condition, it's possible that mac80211 asks 4334 * us to stop a sched_scan when it's already stopped. This 4335 * can happen, for instance, if we stopped the scan ourselves, 4336 * called ieee80211_sched_scan_stopped() and the userspace called 4337 * stop sched scan scan before ieee80211_sched_scan_stopped_work() 4338 * could run. To handle this, simply return if the scan is 4339 * not running. 4340 */ 4341 if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { 4342 mutex_unlock(&mvm->mutex); 4343 return 0; 4344 } 4345 4346 ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); 4347 mutex_unlock(&mvm->mutex); 4348 iwl_mvm_wait_for_async_handlers(mvm); 4349 4350 return ret; 4351 } 4352 4353 static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 4354 enum set_key_cmd cmd, 4355 struct ieee80211_vif *vif, 4356 struct ieee80211_sta *sta, 4357 struct ieee80211_key_conf *key) 4358 { 4359 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4360 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4361 struct iwl_mvm_sta *mvmsta = NULL; 4362 struct iwl_mvm_key_pn *ptk_pn = NULL; 4363 int keyidx = key->keyidx; 4364 u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); 4365 u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); 4366 int ret, i; 4367 u8 key_offset; 4368 4369 if (sta) 4370 mvmsta = iwl_mvm_sta_from_mac80211(sta); 4371 4372 switch (key->cipher) { 4373 case WLAN_CIPHER_SUITE_TKIP: 4374 if (!mvm->trans->trans_cfg->gen2) { 4375 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 4376 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 4377 } else if (vif->type == NL80211_IFTYPE_STATION) { 4378 key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; 4379 } else { 4380 IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); 4381 return -EOPNOTSUPP; 4382 } 4383 break; 4384 case WLAN_CIPHER_SUITE_CCMP: 4385 case WLAN_CIPHER_SUITE_GCMP: 4386 case WLAN_CIPHER_SUITE_GCMP_256: 4387 if (!iwl_mvm_has_new_tx_api(mvm)) 4388 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 4389 break; 4390 case WLAN_CIPHER_SUITE_AES_CMAC: 4391 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 4392 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 4393 WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); 4394 break; 4395 case WLAN_CIPHER_SUITE_WEP40: 4396 case WLAN_CIPHER_SUITE_WEP104: 4397 if (vif->type == NL80211_IFTYPE_STATION) 4398 break; 4399 if (iwl_mvm_has_new_tx_api(mvm)) 4400 return -EOPNOTSUPP; 4401 /* support HW crypto on TX */ 4402 return 0; 4403 default: 4404 return -EOPNOTSUPP; 4405 } 4406 4407 switch (cmd) { 4408 case SET_KEY: 4409 if (vif->type == NL80211_IFTYPE_STATION && 4410 (keyidx == 6 || keyidx == 7)) 4411 rcu_assign_pointer(mvmvif->bcn_prot.keys[keyidx - 6], 4412 key); 4413 4414 if ((vif->type == NL80211_IFTYPE_ADHOC || 4415 vif->type == NL80211_IFTYPE_AP) && !sta) { 4416 /* 4417 * GTK on AP interface is a TX-only key, return 0; 4418 * on IBSS they're per-station and because we're lazy 4419 * we don't support them for RX, so do the same. 4420 * CMAC/GMAC in AP/IBSS modes must be done in software 4421 * on older NICs. 4422 * 4423 * Except, of course, beacon protection - it must be 4424 * offloaded since we just set a beacon template, and 4425 * then we must also offload the IGTK (not just BIGTK) 4426 * for firmware reasons. 4427 * 4428 * So just check for beacon protection - if we don't 4429 * have it we cannot get here with keyidx >= 6, and 4430 * if we do have it we need to send the key to FW in 4431 * all cases (CMAC/GMAC). 4432 */ 4433 if (!wiphy_ext_feature_isset(hw->wiphy, 4434 NL80211_EXT_FEATURE_BEACON_PROTECTION) && 4435 (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 4436 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 4437 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256)) { 4438 ret = -EOPNOTSUPP; 4439 break; 4440 } 4441 4442 if (key->cipher != WLAN_CIPHER_SUITE_GCMP && 4443 key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && 4444 !iwl_mvm_has_new_tx_api(mvm)) { 4445 key->hw_key_idx = STA_KEY_IDX_INVALID; 4446 ret = 0; 4447 break; 4448 } 4449 4450 if (!mvmvif->ap_ibss_active) { 4451 for (i = 0; 4452 i < ARRAY_SIZE(mvmvif->ap_early_keys); 4453 i++) { 4454 if (!mvmvif->ap_early_keys[i]) { 4455 mvmvif->ap_early_keys[i] = key; 4456 break; 4457 } 4458 } 4459 4460 if (i >= ARRAY_SIZE(mvmvif->ap_early_keys)) 4461 ret = -ENOSPC; 4462 else 4463 ret = 0; 4464 4465 break; 4466 } 4467 } 4468 4469 /* During FW restart, in order to restore the state as it was, 4470 * don't try to reprogram keys we previously failed for. 4471 */ 4472 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 4473 key->hw_key_idx == STA_KEY_IDX_INVALID) { 4474 IWL_DEBUG_MAC80211(mvm, 4475 "skip invalid idx key programming during restart\n"); 4476 ret = 0; 4477 break; 4478 } 4479 4480 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 4481 mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4482 key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4483 (key->cipher == WLAN_CIPHER_SUITE_CCMP || 4484 key->cipher == WLAN_CIPHER_SUITE_GCMP || 4485 key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4486 struct ieee80211_key_seq seq; 4487 int tid, q; 4488 4489 WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); 4490 ptk_pn = kzalloc(struct_size(ptk_pn, q, 4491 mvm->trans->num_rx_queues), 4492 GFP_KERNEL); 4493 if (!ptk_pn) { 4494 ret = -ENOMEM; 4495 break; 4496 } 4497 4498 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 4499 ieee80211_get_key_rx_seq(key, tid, &seq); 4500 for (q = 0; q < mvm->trans->num_rx_queues; q++) 4501 memcpy(ptk_pn->q[q].pn[tid], 4502 seq.ccmp.pn, 4503 IEEE80211_CCMP_PN_LEN); 4504 } 4505 4506 rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); 4507 } 4508 4509 /* in HW restart reuse the index, otherwise request a new one */ 4510 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 4511 key_offset = key->hw_key_idx; 4512 else 4513 key_offset = STA_KEY_IDX_INVALID; 4514 4515 if (mvmsta && key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 4516 mvmsta->pairwise_cipher = key->cipher; 4517 4518 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key (sta:%pM, id:%d)\n", 4519 sta ? sta->addr : NULL, key->keyidx); 4520 4521 if (sec_key_ver) 4522 ret = iwl_mvm_sec_key_add(mvm, vif, sta, key); 4523 else 4524 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); 4525 4526 if (ret) { 4527 IWL_WARN(mvm, "set key failed\n"); 4528 key->hw_key_idx = STA_KEY_IDX_INVALID; 4529 if (ptk_pn) { 4530 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 4531 kfree(ptk_pn); 4532 } 4533 /* 4534 * can't add key for RX, but we don't need it 4535 * in the device for TX so still return 0, 4536 * unless we have new TX API where we cannot 4537 * put key material into the TX_CMD 4538 */ 4539 if (iwl_mvm_has_new_tx_api(mvm)) 4540 ret = -EOPNOTSUPP; 4541 else 4542 ret = 0; 4543 } 4544 4545 break; 4546 case DISABLE_KEY: 4547 if (vif->type == NL80211_IFTYPE_STATION && 4548 (keyidx == 6 || keyidx == 7)) 4549 RCU_INIT_POINTER(mvmvif->bcn_prot.keys[keyidx - 6], 4550 NULL); 4551 4552 ret = -ENOENT; 4553 for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 4554 if (mvmvif->ap_early_keys[i] == key) { 4555 mvmvif->ap_early_keys[i] = NULL; 4556 ret = 0; 4557 } 4558 } 4559 4560 /* found in pending list - don't do anything else */ 4561 if (ret == 0) 4562 break; 4563 4564 if (key->hw_key_idx == STA_KEY_IDX_INVALID) { 4565 ret = 0; 4566 break; 4567 } 4568 4569 if (mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4570 key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4571 (key->cipher == WLAN_CIPHER_SUITE_CCMP || 4572 key->cipher == WLAN_CIPHER_SUITE_GCMP || 4573 key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4574 ptk_pn = rcu_dereference_protected( 4575 mvmsta->ptk_pn[keyidx], 4576 lockdep_is_held(&mvm->mutex)); 4577 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 4578 if (ptk_pn) 4579 kfree_rcu(ptk_pn, rcu_head); 4580 } 4581 4582 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); 4583 if (sec_key_ver) 4584 ret = iwl_mvm_sec_key_del(mvm, vif, sta, key); 4585 else 4586 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); 4587 break; 4588 default: 4589 ret = -EINVAL; 4590 } 4591 4592 return ret; 4593 } 4594 4595 int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 4596 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 4597 struct ieee80211_key_conf *key) 4598 { 4599 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4600 4601 guard(mvm)(mvm); 4602 return __iwl_mvm_mac_set_key(hw, cmd, vif, sta, key); 4603 } 4604 4605 void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, 4606 struct ieee80211_vif *vif, 4607 struct ieee80211_key_conf *keyconf, 4608 struct ieee80211_sta *sta, 4609 u32 iv32, u16 *phase1key) 4610 { 4611 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4612 4613 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) 4614 return; 4615 4616 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); 4617 } 4618 4619 4620 static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, 4621 struct iwl_rx_packet *pkt, void *data) 4622 { 4623 struct iwl_mvm *mvm = 4624 container_of(notif_wait, struct iwl_mvm, notif_wait); 4625 struct iwl_hs20_roc_res *resp; 4626 int resp_len = iwl_rx_packet_payload_len(pkt); 4627 struct iwl_mvm_time_event_data *te_data = data; 4628 4629 if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) 4630 return true; 4631 4632 if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { 4633 IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); 4634 return true; 4635 } 4636 4637 resp = (void *)pkt->data; 4638 4639 IWL_DEBUG_TE(mvm, 4640 "Aux ROC: Received response from ucode: status=%d uid=%d\n", 4641 resp->status, resp->event_unique_id); 4642 4643 te_data->uid = le32_to_cpu(resp->event_unique_id); 4644 IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", 4645 te_data->uid); 4646 4647 spin_lock_bh(&mvm->time_event_lock); 4648 list_add_tail(&te_data->list, &mvm->aux_roc_te_list); 4649 spin_unlock_bh(&mvm->time_event_lock); 4650 4651 return true; 4652 } 4653 4654 static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 4655 struct ieee80211_channel *channel, 4656 struct ieee80211_vif *vif, 4657 int duration) 4658 { 4659 int res; 4660 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4661 struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; 4662 static const u16 time_event_response[] = { HOT_SPOT_CMD }; 4663 struct iwl_notification_wait wait_time_event; 4664 u32 req_dur, delay; 4665 struct iwl_hs20_roc_req aux_roc_req = { 4666 .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 4667 .id_and_color = 4668 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), 4669 .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), 4670 }; 4671 struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm, 4672 &aux_roc_req.channel_info); 4673 u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm); 4674 4675 /* Set the channel info data */ 4676 iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value, 4677 iwl_mvm_phy_band_from_nl80211(channel->band), 4678 IWL_PHY_CHANNEL_MODE20, 4679 0); 4680 4681 /* Set the time and duration */ 4682 tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm)); 4683 4684 iwl_mvm_roc_duration_and_delay(vif, duration, &req_dur, &delay); 4685 tail->duration = cpu_to_le32(req_dur); 4686 tail->apply_time_max_delay = cpu_to_le32(delay); 4687 4688 IWL_DEBUG_TE(mvm, 4689 "ROC: Requesting to remain on channel %u for %ums\n", 4690 channel->hw_value, req_dur); 4691 IWL_DEBUG_TE(mvm, 4692 "\t(requested = %ums, max_delay = %ums)\n", 4693 duration, delay); 4694 4695 /* Set the node address */ 4696 memcpy(tail->node_addr, vif->addr, ETH_ALEN); 4697 4698 lockdep_assert_held(&mvm->mutex); 4699 4700 spin_lock_bh(&mvm->time_event_lock); 4701 4702 if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { 4703 spin_unlock_bh(&mvm->time_event_lock); 4704 return -EIO; 4705 } 4706 4707 te_data->vif = vif; 4708 te_data->duration = duration; 4709 te_data->id = HOT_SPOT_CMD; 4710 4711 spin_unlock_bh(&mvm->time_event_lock); 4712 4713 /* 4714 * Use a notification wait, which really just processes the 4715 * command response and doesn't wait for anything, in order 4716 * to be able to process the response and get the UID inside 4717 * the RX path. Using CMD_WANT_SKB doesn't work because it 4718 * stores the buffer and then wakes up this thread, by which 4719 * time another notification (that the time event started) 4720 * might already be processed unsuccessfully. 4721 */ 4722 iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, 4723 time_event_response, 4724 ARRAY_SIZE(time_event_response), 4725 iwl_mvm_rx_aux_roc, te_data); 4726 4727 res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len, 4728 &aux_roc_req); 4729 4730 if (res) { 4731 IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); 4732 iwl_remove_notification(&mvm->notif_wait, &wait_time_event); 4733 goto out_clear_te; 4734 } 4735 4736 /* No need to wait for anything, so just pass 1 (0 isn't valid) */ 4737 res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); 4738 /* should never fail */ 4739 WARN_ON_ONCE(res); 4740 4741 if (res) { 4742 out_clear_te: 4743 spin_lock_bh(&mvm->time_event_lock); 4744 iwl_mvm_te_clear_data(mvm, te_data); 4745 spin_unlock_bh(&mvm->time_event_lock); 4746 } 4747 4748 return res; 4749 } 4750 4751 static int iwl_mvm_add_aux_sta_for_hs20(struct iwl_mvm *mvm, u32 lmac_id) 4752 { 4753 int ret = 0; 4754 4755 lockdep_assert_held(&mvm->mutex); 4756 4757 if (!fw_has_capa(&mvm->fw->ucode_capa, 4758 IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { 4759 IWL_ERR(mvm, "hotspot not supported\n"); 4760 return -EINVAL; 4761 } 4762 4763 if (iwl_mvm_has_new_station_api(mvm->fw)) { 4764 ret = iwl_mvm_add_aux_sta(mvm, lmac_id); 4765 WARN(ret, "Failed to allocate aux station"); 4766 } 4767 4768 return ret; 4769 } 4770 4771 static int iwl_mvm_roc_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 4772 { 4773 int ret; 4774 4775 lockdep_assert_held(&mvm->mutex); 4776 4777 ret = iwl_mvm_binding_add_vif(mvm, vif); 4778 if (WARN(ret, "Failed binding P2P_DEVICE\n")) 4779 return ret; 4780 4781 /* The station and queue allocation must be done only after the binding 4782 * is done, as otherwise the FW might incorrectly configure its state. 4783 */ 4784 return iwl_mvm_add_p2p_bcast_sta(mvm, vif); 4785 } 4786 4787 static int iwl_mvm_roc(struct ieee80211_hw *hw, 4788 struct ieee80211_vif *vif, 4789 struct ieee80211_channel *channel, 4790 int duration, 4791 enum ieee80211_roc_type type) 4792 { 4793 static const struct iwl_mvm_roc_ops ops = { 4794 .add_aux_sta_for_hs20 = iwl_mvm_add_aux_sta_for_hs20, 4795 .link = iwl_mvm_roc_link, 4796 }; 4797 4798 return iwl_mvm_roc_common(hw, vif, channel, duration, type, &ops); 4799 } 4800 4801 static int iwl_mvm_roc_station(struct iwl_mvm *mvm, 4802 struct ieee80211_channel *channel, 4803 struct ieee80211_vif *vif, 4804 int duration) 4805 { 4806 int ret; 4807 u32 cmd_id = WIDE_ID(MAC_CONF_GROUP, ROC_CMD); 4808 u8 fw_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 4809 IWL_FW_CMD_VER_UNKNOWN); 4810 4811 if (fw_ver == IWL_FW_CMD_VER_UNKNOWN) { 4812 ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, vif, duration); 4813 } else if (fw_ver >= 3) { 4814 ret = iwl_mvm_roc_add_cmd(mvm, channel, vif, duration, 4815 ROC_ACTIVITY_HOTSPOT); 4816 } else { 4817 ret = -EOPNOTSUPP; 4818 IWL_ERR(mvm, "ROC command version %d mismatch!\n", fw_ver); 4819 } 4820 4821 return ret; 4822 } 4823 4824 static int iwl_mvm_roc_p2p(struct iwl_mvm *mvm, 4825 struct ieee80211_channel *channel, 4826 struct ieee80211_vif *vif, 4827 int duration, 4828 enum ieee80211_roc_type type) 4829 { 4830 enum iwl_roc_activity activity; 4831 int ret; 4832 4833 lockdep_assert_held(&mvm->mutex); 4834 4835 switch (type) { 4836 case IEEE80211_ROC_TYPE_NORMAL: 4837 activity = ROC_ACTIVITY_P2P_DISC; 4838 break; 4839 case IEEE80211_ROC_TYPE_MGMT_TX: 4840 activity = ROC_ACTIVITY_P2P_NEG; 4841 break; 4842 default: 4843 WARN_ONCE(1, "Got an invalid P2P ROC type\n"); 4844 return -EINVAL; 4845 } 4846 4847 ret = iwl_mvm_mld_add_aux_sta(mvm, 4848 iwl_mvm_get_lmac_id(mvm, channel->band)); 4849 if (ret) 4850 return ret; 4851 4852 return iwl_mvm_roc_add_cmd(mvm, channel, vif, duration, activity); 4853 } 4854 4855 static int iwl_mvm_p2p_find_phy_ctxt(struct iwl_mvm *mvm, 4856 struct ieee80211_vif *vif, 4857 struct ieee80211_channel *channel) 4858 { 4859 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4860 struct cfg80211_chan_def chandef; 4861 int i; 4862 4863 lockdep_assert_held(&mvm->mutex); 4864 4865 if (mvmvif->deflink.phy_ctxt && 4866 channel == mvmvif->deflink.phy_ctxt->channel) 4867 return 0; 4868 4869 /* Try using a PHY context that is already in use */ 4870 for (i = 0; i < NUM_PHY_CTX; i++) { 4871 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[i]; 4872 4873 if (!phy_ctxt->ref || mvmvif->deflink.phy_ctxt == phy_ctxt) 4874 continue; 4875 4876 if (channel == phy_ctxt->channel) { 4877 if (mvmvif->deflink.phy_ctxt) 4878 iwl_mvm_phy_ctxt_unref(mvm, 4879 mvmvif->deflink.phy_ctxt); 4880 4881 mvmvif->deflink.phy_ctxt = phy_ctxt; 4882 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt); 4883 return 0; 4884 } 4885 } 4886 4887 /* We already have a phy_ctxt, but it's not on the right channel */ 4888 if (mvmvif->deflink.phy_ctxt) 4889 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 4890 4891 mvmvif->deflink.phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4892 if (!mvmvif->deflink.phy_ctxt) 4893 return -ENOSPC; 4894 4895 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); 4896 4897 return iwl_mvm_phy_ctxt_add(mvm, mvmvif->deflink.phy_ctxt, 4898 &chandef, NULL, 1, 1); 4899 } 4900 4901 /* Execute the common part for MLD and non-MLD modes */ 4902 int iwl_mvm_roc_common(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4903 struct ieee80211_channel *channel, int duration, 4904 enum ieee80211_roc_type type, 4905 const struct iwl_mvm_roc_ops *ops) 4906 { 4907 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4908 struct ieee80211_vif *bss_vif = iwl_mvm_get_bss_vif(mvm); 4909 u32 lmac_id; 4910 int ret; 4911 4912 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, 4913 duration, type); 4914 4915 /* 4916 * Flush the done work, just in case it's still pending, so that 4917 * the work it does can complete and we can accept new frames. 4918 */ 4919 flush_work(&mvm->roc_done_wk); 4920 4921 if (!IS_ERR_OR_NULL(bss_vif)) { 4922 ret = iwl_mvm_block_esr_sync(mvm, bss_vif, 4923 IWL_MVM_ESR_BLOCKED_ROC); 4924 if (ret) 4925 return ret; 4926 } 4927 4928 guard(mvm)(mvm); 4929 4930 switch (vif->type) { 4931 case NL80211_IFTYPE_STATION: 4932 lmac_id = iwl_mvm_get_lmac_id(mvm, channel->band); 4933 4934 /* Use aux roc framework (HS20) */ 4935 ret = ops->add_aux_sta_for_hs20(mvm, lmac_id); 4936 if (!ret) 4937 ret = iwl_mvm_roc_station(mvm, channel, vif, duration); 4938 return ret; 4939 case NL80211_IFTYPE_P2P_DEVICE: 4940 /* handle below */ 4941 break; 4942 default: 4943 IWL_ERR(mvm, "ROC: Invalid vif type=%u\n", vif->type); 4944 return -EINVAL; 4945 } 4946 4947 if (iwl_mvm_has_p2p_over_aux(mvm)) { 4948 ret = iwl_mvm_roc_p2p(mvm, channel, vif, duration, type); 4949 return ret; 4950 } 4951 4952 ret = iwl_mvm_p2p_find_phy_ctxt(mvm, vif, channel); 4953 if (ret) 4954 return ret; 4955 4956 ret = ops->link(mvm, vif); 4957 if (ret) 4958 return ret; 4959 4960 return iwl_mvm_start_p2p_roc(mvm, vif, duration, type); 4961 } 4962 4963 int iwl_mvm_cancel_roc(struct ieee80211_hw *hw, 4964 struct ieee80211_vif *vif) 4965 { 4966 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4967 4968 IWL_DEBUG_MAC80211(mvm, "enter\n"); 4969 4970 iwl_mvm_stop_roc(mvm, vif); 4971 4972 IWL_DEBUG_MAC80211(mvm, "leave\n"); 4973 return 0; 4974 } 4975 4976 struct iwl_mvm_ftm_responder_iter_data { 4977 bool responder; 4978 struct ieee80211_chanctx_conf *ctx; 4979 }; 4980 4981 static void iwl_mvm_ftm_responder_chanctx_iter(void *_data, u8 *mac, 4982 struct ieee80211_vif *vif) 4983 { 4984 struct iwl_mvm_ftm_responder_iter_data *data = _data; 4985 4986 if (rcu_access_pointer(vif->bss_conf.chanctx_conf) == data->ctx && 4987 vif->type == NL80211_IFTYPE_AP && vif->bss_conf.ftmr_params) 4988 data->responder = true; 4989 } 4990 4991 bool iwl_mvm_is_ftm_responder_chanctx(struct iwl_mvm *mvm, 4992 struct ieee80211_chanctx_conf *ctx) 4993 { 4994 struct iwl_mvm_ftm_responder_iter_data data = { 4995 .responder = false, 4996 .ctx = ctx, 4997 }; 4998 4999 ieee80211_iterate_active_interfaces_atomic(mvm->hw, 5000 IEEE80211_IFACE_ITER_NORMAL, 5001 iwl_mvm_ftm_responder_chanctx_iter, 5002 &data); 5003 return data.responder; 5004 } 5005 5006 static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, 5007 struct ieee80211_chanctx_conf *ctx) 5008 { 5009 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5010 struct iwl_mvm_phy_ctxt *phy_ctxt; 5011 struct cfg80211_chan_def *def = iwl_mvm_chanctx_def(mvm, ctx); 5012 int ret; 5013 5014 lockdep_assert_held(&mvm->mutex); 5015 5016 IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); 5017 5018 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 5019 if (!phy_ctxt) { 5020 ret = -ENOSPC; 5021 goto out; 5022 } 5023 5024 ret = iwl_mvm_phy_ctxt_add(mvm, phy_ctxt, def, &ctx->ap, 5025 ctx->rx_chains_static, 5026 ctx->rx_chains_dynamic); 5027 if (ret) { 5028 IWL_ERR(mvm, "Failed to add PHY context\n"); 5029 goto out; 5030 } 5031 5032 *phy_ctxt_id = phy_ctxt->id; 5033 out: 5034 return ret; 5035 } 5036 5037 int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, 5038 struct ieee80211_chanctx_conf *ctx) 5039 { 5040 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5041 5042 guard(mvm)(mvm); 5043 return __iwl_mvm_add_chanctx(mvm, ctx); 5044 } 5045 5046 static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, 5047 struct ieee80211_chanctx_conf *ctx) 5048 { 5049 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5050 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5051 5052 lockdep_assert_held(&mvm->mutex); 5053 5054 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); 5055 } 5056 5057 void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, 5058 struct ieee80211_chanctx_conf *ctx) 5059 { 5060 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5061 5062 guard(mvm)(mvm); 5063 __iwl_mvm_remove_chanctx(mvm, ctx); 5064 } 5065 5066 void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, 5067 struct ieee80211_chanctx_conf *ctx, u32 changed) 5068 { 5069 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5070 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5071 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5072 struct cfg80211_chan_def *def = iwl_mvm_chanctx_def(mvm, ctx); 5073 5074 if (WARN_ONCE((phy_ctxt->ref > 1) && 5075 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | 5076 IEEE80211_CHANCTX_CHANGE_RX_CHAINS | 5077 IEEE80211_CHANCTX_CHANGE_RADAR | 5078 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), 5079 "Cannot change PHY. Ref=%d, changed=0x%X\n", 5080 phy_ctxt->ref, changed)) 5081 return; 5082 5083 guard(mvm)(mvm); 5084 5085 /* we are only changing the min_width, may be a noop */ 5086 if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) { 5087 if (phy_ctxt->width == def->width) 5088 return; 5089 5090 /* we are just toggling between 20_NOHT and 20 */ 5091 if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && 5092 def->width <= NL80211_CHAN_WIDTH_20) 5093 return; 5094 } 5095 5096 iwl_mvm_bt_coex_vif_change(mvm); 5097 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, &ctx->ap, 5098 ctx->rx_chains_static, 5099 ctx->rx_chains_dynamic); 5100 } 5101 5102 /* 5103 * This function executes the common part for MLD and non-MLD modes. 5104 * 5105 * Returns true if we're done assigning the chanctx 5106 * (either on failure or success) 5107 */ 5108 static bool 5109 __iwl_mvm_assign_vif_chanctx_common(struct iwl_mvm *mvm, 5110 struct ieee80211_vif *vif, 5111 struct ieee80211_chanctx_conf *ctx, 5112 bool switching_chanctx, int *ret) 5113 { 5114 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5115 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5116 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5117 5118 lockdep_assert_held(&mvm->mutex); 5119 5120 mvmvif->deflink.phy_ctxt = phy_ctxt; 5121 5122 switch (vif->type) { 5123 case NL80211_IFTYPE_AP: 5124 /* only needed if we're switching chanctx (i.e. during CSA) */ 5125 if (switching_chanctx) { 5126 mvmvif->ap_ibss_active = true; 5127 break; 5128 } 5129 fallthrough; 5130 case NL80211_IFTYPE_ADHOC: 5131 /* 5132 * The AP binding flow is handled as part of the start_ap flow 5133 * (in bss_info_changed), similarly for IBSS. 5134 */ 5135 *ret = 0; 5136 return true; 5137 case NL80211_IFTYPE_STATION: 5138 break; 5139 case NL80211_IFTYPE_MONITOR: 5140 /* always disable PS when a monitor interface is active */ 5141 mvmvif->ps_disabled = true; 5142 break; 5143 default: 5144 *ret = -EINVAL; 5145 return true; 5146 } 5147 return false; 5148 } 5149 5150 static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, 5151 struct ieee80211_vif *vif, 5152 struct ieee80211_bss_conf *link_conf, 5153 struct ieee80211_chanctx_conf *ctx, 5154 bool switching_chanctx) 5155 { 5156 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5157 int ret; 5158 5159 if (WARN_ON(!link_conf)) 5160 return -EINVAL; 5161 5162 if (__iwl_mvm_assign_vif_chanctx_common(mvm, vif, ctx, 5163 switching_chanctx, &ret)) 5164 goto out; 5165 5166 ret = iwl_mvm_binding_add_vif(mvm, vif); 5167 if (ret) 5168 goto out; 5169 5170 /* 5171 * Power state must be updated before quotas, 5172 * otherwise fw will complain. 5173 */ 5174 iwl_mvm_power_update_mac(mvm); 5175 5176 /* Setting the quota at this stage is only required for monitor 5177 * interfaces. For the other types, the bss_info changed flow 5178 * will handle quota settings. 5179 */ 5180 if (vif->type == NL80211_IFTYPE_MONITOR) { 5181 mvmvif->monitor_active = true; 5182 ret = iwl_mvm_update_quotas(mvm, false, NULL); 5183 if (ret) 5184 goto out_remove_binding; 5185 5186 ret = iwl_mvm_add_snif_sta(mvm, vif); 5187 if (ret) 5188 goto out_remove_binding; 5189 5190 } 5191 5192 /* Handle binding during CSA */ 5193 if (vif->type == NL80211_IFTYPE_AP) { 5194 iwl_mvm_update_quotas(mvm, false, NULL); 5195 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 5196 } 5197 5198 if (vif->type == NL80211_IFTYPE_STATION) { 5199 if (!switching_chanctx) { 5200 mvmvif->csa_bcn_pending = false; 5201 goto out; 5202 } 5203 5204 mvmvif->csa_bcn_pending = true; 5205 5206 if (!fw_has_capa(&mvm->fw->ucode_capa, 5207 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 5208 u32 duration = 5 * vif->bss_conf.beacon_int; 5209 5210 /* Protect the session to make sure we hear the first 5211 * beacon on the new channel. 5212 */ 5213 iwl_mvm_protect_session(mvm, vif, duration, duration, 5214 vif->bss_conf.beacon_int / 2, 5215 true); 5216 } 5217 5218 iwl_mvm_update_quotas(mvm, false, NULL); 5219 5220 iwl_mvm_send_ap_tx_power_constraint_cmd(mvm, vif, 5221 link_conf, 5222 false); 5223 } 5224 5225 goto out; 5226 5227 out_remove_binding: 5228 iwl_mvm_binding_remove_vif(mvm, vif); 5229 iwl_mvm_power_update_mac(mvm); 5230 out: 5231 if (ret) 5232 mvmvif->deflink.phy_ctxt = NULL; 5233 return ret; 5234 } 5235 5236 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, 5237 struct ieee80211_vif *vif, 5238 struct ieee80211_bss_conf *link_conf, 5239 struct ieee80211_chanctx_conf *ctx) 5240 { 5241 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5242 5243 guard(mvm)(mvm); 5244 return __iwl_mvm_assign_vif_chanctx(mvm, vif, link_conf, ctx, false); 5245 } 5246 5247 /* 5248 * This function executes the common part for MLD and non-MLD modes. 5249 * 5250 * Returns if chanctx unassign chanctx is done 5251 * (either on failure or success) 5252 */ 5253 static bool __iwl_mvm_unassign_vif_chanctx_common(struct iwl_mvm *mvm, 5254 struct ieee80211_vif *vif, 5255 bool switching_chanctx) 5256 { 5257 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5258 5259 lockdep_assert_held(&mvm->mutex); 5260 iwl_mvm_remove_time_event(mvm, mvmvif, 5261 &mvmvif->time_event_data); 5262 5263 switch (vif->type) { 5264 case NL80211_IFTYPE_ADHOC: 5265 return true; 5266 case NL80211_IFTYPE_MONITOR: 5267 mvmvif->monitor_active = false; 5268 mvmvif->ps_disabled = false; 5269 break; 5270 case NL80211_IFTYPE_AP: 5271 /* This part is triggered only during CSA */ 5272 if (!switching_chanctx || !mvmvif->ap_ibss_active) 5273 return true; 5274 5275 mvmvif->csa_countdown = false; 5276 5277 /* Set CS bit on all the stations */ 5278 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); 5279 5280 /* Save blocked iface, the timeout is set on the next beacon */ 5281 rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); 5282 5283 mvmvif->ap_ibss_active = false; 5284 break; 5285 default: 5286 break; 5287 } 5288 return false; 5289 } 5290 5291 static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, 5292 struct ieee80211_vif *vif, 5293 struct ieee80211_bss_conf *link_conf, 5294 struct ieee80211_chanctx_conf *ctx, 5295 bool switching_chanctx) 5296 { 5297 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5298 struct ieee80211_vif *disabled_vif = NULL; 5299 5300 if (__iwl_mvm_unassign_vif_chanctx_common(mvm, vif, switching_chanctx)) 5301 goto out; 5302 5303 if (vif->type == NL80211_IFTYPE_MONITOR) 5304 iwl_mvm_rm_snif_sta(mvm, vif); 5305 5306 5307 if (vif->type == NL80211_IFTYPE_STATION && switching_chanctx) { 5308 disabled_vif = vif; 5309 if (!fw_has_capa(&mvm->fw->ucode_capa, 5310 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 5311 iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); 5312 } 5313 5314 iwl_mvm_update_quotas(mvm, false, disabled_vif); 5315 iwl_mvm_binding_remove_vif(mvm, vif); 5316 5317 out: 5318 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD) && 5319 switching_chanctx) 5320 return; 5321 mvmvif->deflink.phy_ctxt = NULL; 5322 iwl_mvm_power_update_mac(mvm); 5323 } 5324 5325 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, 5326 struct ieee80211_vif *vif, 5327 struct ieee80211_bss_conf *link_conf, 5328 struct ieee80211_chanctx_conf *ctx) 5329 { 5330 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5331 5332 guard(mvm)(mvm); 5333 __iwl_mvm_unassign_vif_chanctx(mvm, vif, link_conf, ctx, false); 5334 } 5335 5336 static int 5337 iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, 5338 struct ieee80211_vif_chanctx_switch *vifs, 5339 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5340 { 5341 int ret; 5342 5343 guard(mvm)(mvm); 5344 ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5345 vifs[0].old_ctx, true); 5346 __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); 5347 5348 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); 5349 if (ret) { 5350 IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); 5351 goto out_reassign; 5352 } 5353 5354 ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5355 vifs[0].new_ctx, true); 5356 if (ret) { 5357 IWL_ERR(mvm, 5358 "failed to assign new_ctx during channel switch\n"); 5359 goto out_remove; 5360 } 5361 5362 /* we don't support TDLS during DCM - can be caused by channel switch */ 5363 if (iwl_mvm_phy_ctx_count(mvm) > 1) 5364 iwl_mvm_teardown_tdls_peers(mvm); 5365 5366 return 0; 5367 5368 out_remove: 5369 __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); 5370 5371 out_reassign: 5372 if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { 5373 IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); 5374 goto out_restart; 5375 } 5376 5377 if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5378 vifs[0].old_ctx, true)) { 5379 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5380 goto out_restart; 5381 } 5382 5383 return ret; 5384 5385 out_restart: 5386 /* things keep failing, better restart the hw */ 5387 iwl_mvm_nic_restart(mvm, false); 5388 return ret; 5389 } 5390 5391 static int 5392 iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, 5393 struct ieee80211_vif_chanctx_switch *vifs, 5394 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5395 { 5396 int ret; 5397 5398 guard(mvm)(mvm); 5399 ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5400 vifs[0].old_ctx, true); 5401 5402 ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5403 vifs[0].new_ctx, true); 5404 if (ret) { 5405 IWL_ERR(mvm, 5406 "failed to assign new_ctx during channel switch\n"); 5407 goto out_reassign; 5408 } 5409 5410 return 0; 5411 5412 out_reassign: 5413 if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5414 vifs[0].old_ctx, true)) { 5415 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5416 goto out_restart; 5417 } 5418 5419 return ret; 5420 5421 out_restart: 5422 /* things keep failing, better restart the hw */ 5423 iwl_mvm_nic_restart(mvm, false); 5424 return ret; 5425 } 5426 5427 /* Execute the common part for both MLD and non-MLD modes */ 5428 int 5429 iwl_mvm_switch_vif_chanctx_common(struct ieee80211_hw *hw, 5430 struct ieee80211_vif_chanctx_switch *vifs, 5431 int n_vifs, 5432 enum ieee80211_chanctx_switch_mode mode, 5433 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5434 { 5435 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5436 int ret; 5437 5438 /* we only support a single-vif right now */ 5439 if (n_vifs > 1) 5440 return -EOPNOTSUPP; 5441 5442 switch (mode) { 5443 case CHANCTX_SWMODE_SWAP_CONTEXTS: 5444 ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs, ops); 5445 break; 5446 case CHANCTX_SWMODE_REASSIGN_VIF: 5447 ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs, ops); 5448 break; 5449 default: 5450 ret = -EOPNOTSUPP; 5451 break; 5452 } 5453 5454 return ret; 5455 } 5456 5457 static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, 5458 struct ieee80211_vif_chanctx_switch *vifs, 5459 int n_vifs, 5460 enum ieee80211_chanctx_switch_mode mode) 5461 { 5462 static const struct iwl_mvm_switch_vif_chanctx_ops ops = { 5463 .__assign_vif_chanctx = __iwl_mvm_assign_vif_chanctx, 5464 .__unassign_vif_chanctx = __iwl_mvm_unassign_vif_chanctx, 5465 }; 5466 5467 return iwl_mvm_switch_vif_chanctx_common(hw, vifs, n_vifs, mode, &ops); 5468 } 5469 5470 int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) 5471 { 5472 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5473 5474 return mvm->ibss_manager; 5475 } 5476 5477 static int iwl_mvm_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 5478 bool set) 5479 { 5480 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5481 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 5482 5483 if (!mvm_sta || !mvm_sta->vif) { 5484 IWL_ERR(mvm, "Station is not associated to a vif\n"); 5485 return -EINVAL; 5486 } 5487 5488 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif, 5489 &mvm_sta->vif->bss_conf); 5490 } 5491 5492 #ifdef CONFIG_NL80211_TESTMODE 5493 static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { 5494 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, 5495 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, 5496 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, 5497 }; 5498 5499 static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, 5500 struct ieee80211_vif *vif, 5501 void *data, int len) 5502 { 5503 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; 5504 int err; 5505 u32 noa_duration; 5506 5507 err = nla_parse_deprecated(tb, IWL_MVM_TM_ATTR_MAX, data, len, 5508 iwl_mvm_tm_policy, NULL); 5509 if (err) 5510 return err; 5511 5512 if (!tb[IWL_MVM_TM_ATTR_CMD]) 5513 return -EINVAL; 5514 5515 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { 5516 case IWL_MVM_TM_CMD_SET_NOA: 5517 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || 5518 !vif->bss_conf.enable_beacon || 5519 !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) 5520 return -EINVAL; 5521 5522 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); 5523 if (noa_duration >= vif->bss_conf.beacon_int) 5524 return -EINVAL; 5525 5526 mvm->noa_duration = noa_duration; 5527 mvm->noa_vif = vif; 5528 5529 return iwl_mvm_update_quotas(mvm, true, NULL); 5530 case IWL_MVM_TM_CMD_SET_BEACON_FILTER: 5531 /* must be associated client vif - ignore authorized */ 5532 if (!vif || vif->type != NL80211_IFTYPE_STATION || 5533 !vif->cfg.assoc || !vif->bss_conf.dtim_period || 5534 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) 5535 return -EINVAL; 5536 5537 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) 5538 return iwl_mvm_enable_beacon_filter(mvm, vif); 5539 return iwl_mvm_disable_beacon_filter(mvm, vif); 5540 } 5541 5542 return -EOPNOTSUPP; 5543 } 5544 5545 int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, 5546 struct ieee80211_vif *vif, 5547 void *data, int len) 5548 { 5549 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5550 5551 guard(mvm)(mvm); 5552 return __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); 5553 } 5554 #endif 5555 5556 void iwl_mvm_channel_switch(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5557 struct ieee80211_channel_switch *chsw) 5558 { 5559 /* By implementing this operation, we prevent mac80211 from 5560 * starting its own channel switch timer, so that we can call 5561 * ieee80211_chswitch_done() ourselves at the right time 5562 * (which is when the absence time event starts). 5563 */ 5564 5565 IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), 5566 "dummy channel switch op\n"); 5567 } 5568 5569 static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm, 5570 struct ieee80211_vif *vif, 5571 struct ieee80211_channel_switch *chsw) 5572 { 5573 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5574 struct iwl_chan_switch_te_cmd cmd = { 5575 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 5576 mvmvif->color)), 5577 .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 5578 .tsf = cpu_to_le32(chsw->timestamp), 5579 .cs_count = chsw->count, 5580 .cs_mode = chsw->block_tx, 5581 }; 5582 5583 lockdep_assert_held(&mvm->mutex); 5584 5585 if (chsw->delay) 5586 cmd.cs_delayed_bcn_count = 5587 DIV_ROUND_UP(chsw->delay, vif->bss_conf.beacon_int); 5588 5589 return iwl_mvm_send_cmd_pdu(mvm, 5590 WIDE_ID(MAC_CONF_GROUP, 5591 CHANNEL_SWITCH_TIME_EVENT_CMD), 5592 0, sizeof(cmd), &cmd); 5593 } 5594 5595 static int iwl_mvm_old_pre_chan_sw_sta(struct iwl_mvm *mvm, 5596 struct ieee80211_vif *vif, 5597 struct ieee80211_channel_switch *chsw) 5598 { 5599 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5600 u32 apply_time; 5601 5602 /* Schedule the time event to a bit before beacon 1, 5603 * to make sure we're in the new channel when the 5604 * GO/AP arrives. In case count <= 1 immediately schedule the 5605 * TE (this might result with some packet loss or connection 5606 * loss). 5607 */ 5608 if (chsw->count <= 1) 5609 apply_time = 0; 5610 else 5611 apply_time = chsw->device_timestamp + 5612 ((vif->bss_conf.beacon_int * (chsw->count - 1) - 5613 IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); 5614 5615 if (chsw->block_tx) 5616 iwl_mvm_csa_client_absent(mvm, vif); 5617 5618 if (mvmvif->bf_enabled) { 5619 int ret = iwl_mvm_disable_beacon_filter(mvm, vif); 5620 5621 if (ret) 5622 return ret; 5623 } 5624 5625 iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, 5626 apply_time); 5627 5628 return 0; 5629 } 5630 5631 static void iwl_mvm_csa_block_txqs(void *data, struct ieee80211_sta *sta) 5632 { 5633 int i; 5634 5635 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) { 5636 struct iwl_mvm_txq *mvmtxq = 5637 iwl_mvm_txq_from_mac80211(sta->txq[i]); 5638 5639 set_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 5640 } 5641 } 5642 5643 #define IWL_MAX_CSA_BLOCK_TX 1500 5644 int iwl_mvm_pre_channel_switch(struct iwl_mvm *mvm, 5645 struct ieee80211_vif *vif, 5646 struct ieee80211_channel_switch *chsw) 5647 { 5648 struct ieee80211_vif *csa_vif; 5649 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5650 struct iwl_mvm_txq *mvmtxq; 5651 int ret; 5652 5653 lockdep_assert_held(&mvm->mutex); 5654 5655 mvmvif->csa_failed = false; 5656 mvmvif->csa_blocks_tx = false; 5657 5658 IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", 5659 chsw->chandef.center_freq1); 5660 5661 iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, 5662 ieee80211_vif_to_wdev(vif), 5663 FW_DBG_TRIGGER_CHANNEL_SWITCH); 5664 5665 switch (vif->type) { 5666 case NL80211_IFTYPE_AP: 5667 csa_vif = 5668 rcu_dereference_protected(mvm->csa_vif, 5669 lockdep_is_held(&mvm->mutex)); 5670 if (WARN_ONCE(csa_vif && csa_vif->bss_conf.csa_active, 5671 "Another CSA is already in progress")) 5672 return -EBUSY; 5673 5674 /* we still didn't unblock tx. prevent new CS meanwhile */ 5675 if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, 5676 lockdep_is_held(&mvm->mutex))) 5677 return -EBUSY; 5678 5679 rcu_assign_pointer(mvm->csa_vif, vif); 5680 5681 if (WARN_ONCE(mvmvif->csa_countdown, 5682 "Previous CSA countdown didn't complete")) 5683 return -EBUSY; 5684 5685 mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; 5686 5687 if (!chsw->block_tx) 5688 break; 5689 /* don't need blocking in driver otherwise - mac80211 will do */ 5690 if (!ieee80211_hw_check(mvm->hw, HANDLES_QUIET_CSA)) 5691 break; 5692 5693 mvmvif->csa_blocks_tx = true; 5694 mvmtxq = iwl_mvm_txq_from_mac80211(vif->txq); 5695 set_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 5696 ieee80211_iterate_stations_atomic(mvm->hw, 5697 iwl_mvm_csa_block_txqs, 5698 NULL); 5699 break; 5700 case NL80211_IFTYPE_STATION: 5701 mvmvif->csa_blocks_tx = chsw->block_tx; 5702 5703 /* 5704 * In the new flow FW is in charge of timing the switch so there 5705 * is no need for all of this 5706 */ 5707 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5708 CHANNEL_SWITCH_ERROR_NOTIF, 5709 0)) 5710 break; 5711 5712 /* 5713 * We haven't configured the firmware to be associated yet since 5714 * we don't know the dtim period. In this case, the firmware can't 5715 * track the beacons. 5716 */ 5717 if (!vif->cfg.assoc || !vif->bss_conf.dtim_period) 5718 return -EBUSY; 5719 5720 if (chsw->delay > IWL_MAX_CSA_BLOCK_TX && 5721 hweight16(vif->valid_links) <= 1) 5722 schedule_delayed_work(&mvmvif->csa_work, 0); 5723 5724 if (chsw->block_tx) { 5725 /* 5726 * In case of undetermined / long time with immediate 5727 * quiet monitor status to gracefully disconnect 5728 */ 5729 if (!chsw->count || 5730 chsw->count * vif->bss_conf.beacon_int > 5731 IWL_MAX_CSA_BLOCK_TX) 5732 schedule_delayed_work(&mvmvif->csa_work, 5733 msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX)); 5734 } 5735 5736 if (!fw_has_capa(&mvm->fw->ucode_capa, 5737 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 5738 ret = iwl_mvm_old_pre_chan_sw_sta(mvm, vif, chsw); 5739 if (ret) 5740 return ret; 5741 } else { 5742 iwl_mvm_schedule_client_csa(mvm, vif, chsw); 5743 } 5744 5745 mvmvif->csa_count = chsw->count; 5746 mvmvif->csa_misbehave = false; 5747 break; 5748 default: 5749 break; 5750 } 5751 5752 mvmvif->ps_disabled = true; 5753 5754 ret = iwl_mvm_power_update_ps(mvm); 5755 if (ret) 5756 return ret; 5757 5758 /* we won't be on this channel any longer */ 5759 iwl_mvm_teardown_tdls_peers(mvm); 5760 5761 return ret; 5762 } 5763 5764 static int iwl_mvm_mac_pre_channel_switch(struct ieee80211_hw *hw, 5765 struct ieee80211_vif *vif, 5766 struct ieee80211_channel_switch *chsw) 5767 { 5768 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5769 5770 guard(mvm)(mvm); 5771 return iwl_mvm_pre_channel_switch(mvm, vif, chsw); 5772 } 5773 5774 void iwl_mvm_channel_switch_rx_beacon(struct ieee80211_hw *hw, 5775 struct ieee80211_vif *vif, 5776 struct ieee80211_channel_switch *chsw) 5777 { 5778 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5779 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5780 struct iwl_chan_switch_te_cmd cmd = { 5781 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 5782 mvmvif->color)), 5783 .action = cpu_to_le32(FW_CTXT_ACTION_MODIFY), 5784 .tsf = cpu_to_le32(chsw->timestamp), 5785 .cs_count = chsw->count, 5786 .cs_mode = chsw->block_tx, 5787 }; 5788 5789 /* 5790 * In the new flow FW is in charge of timing the switch so there is no 5791 * need for all of this 5792 */ 5793 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5794 CHANNEL_SWITCH_ERROR_NOTIF, 0)) 5795 return; 5796 5797 if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CS_MODIFY)) 5798 return; 5799 5800 IWL_DEBUG_MAC80211(mvm, "Modify CSA on mac %d count = %d (old %d) mode = %d\n", 5801 mvmvif->id, chsw->count, mvmvif->csa_count, chsw->block_tx); 5802 5803 if (chsw->count >= mvmvif->csa_count && chsw->block_tx) { 5804 if (mvmvif->csa_misbehave) { 5805 struct ieee80211_bss_conf *link_conf; 5806 5807 /* Second time, give up on this AP*/ 5808 5809 link_conf = wiphy_dereference(hw->wiphy, 5810 vif->link_conf[chsw->link_id]); 5811 if (WARN_ON(!link_conf)) 5812 return; 5813 5814 iwl_mvm_abort_channel_switch(hw, vif, link_conf); 5815 ieee80211_chswitch_done(vif, false, 0); 5816 mvmvif->csa_misbehave = false; 5817 return; 5818 } 5819 mvmvif->csa_misbehave = true; 5820 } 5821 mvmvif->csa_count = chsw->count; 5822 5823 guard(mvm)(mvm); 5824 if (mvmvif->csa_failed) 5825 return; 5826 5827 WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 5828 WIDE_ID(MAC_CONF_GROUP, 5829 CHANNEL_SWITCH_TIME_EVENT_CMD), 5830 0, sizeof(cmd), &cmd)); 5831 } 5832 5833 static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) 5834 { 5835 int i; 5836 5837 if (!iwl_mvm_has_new_tx_api(mvm)) { 5838 /* we can't ask the firmware anything if it is dead */ 5839 if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 5840 &mvm->status)) 5841 return; 5842 if (drop) { 5843 guard(mvm)(mvm); 5844 iwl_mvm_flush_tx_path(mvm, 5845 iwl_mvm_flushable_queues(mvm) & queues); 5846 } else { 5847 iwl_trans_wait_tx_queues_empty(mvm->trans, queues); 5848 } 5849 return; 5850 } 5851 5852 guard(mvm)(mvm); 5853 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5854 struct ieee80211_sta *sta; 5855 5856 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 5857 lockdep_is_held(&mvm->mutex)); 5858 if (IS_ERR_OR_NULL(sta)) 5859 continue; 5860 5861 if (drop) 5862 iwl_mvm_flush_sta_tids(mvm, i, 0xFFFF); 5863 else 5864 iwl_mvm_wait_sta_queues_empty(mvm, 5865 iwl_mvm_sta_from_mac80211(sta)); 5866 } 5867 } 5868 5869 void iwl_mvm_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5870 u32 queues, bool drop) 5871 { 5872 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5873 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5874 struct iwl_mvm_sta *mvmsta; 5875 struct ieee80211_sta *sta; 5876 bool ap_sta_done = false; 5877 int i; 5878 u32 msk = 0; 5879 5880 if (!vif) { 5881 iwl_mvm_flush_no_vif(mvm, queues, drop); 5882 return; 5883 } 5884 5885 if (!drop && hweight16(vif->active_links) <= 1) { 5886 int link_id = vif->active_links ? __ffs(vif->active_links) : 0; 5887 struct ieee80211_bss_conf *link_conf; 5888 5889 link_conf = wiphy_dereference(hw->wiphy, 5890 vif->link_conf[link_id]); 5891 if (WARN_ON(!link_conf)) 5892 return; 5893 if (link_conf->csa_active && mvmvif->csa_blocks_tx) 5894 drop = true; 5895 } 5896 5897 /* Make sure we're done with the deferred traffic before flushing */ 5898 flush_work(&mvm->add_stream_wk); 5899 5900 mutex_lock(&mvm->mutex); 5901 5902 /* flush the AP-station and all TDLS peers */ 5903 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5904 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 5905 lockdep_is_held(&mvm->mutex)); 5906 if (IS_ERR_OR_NULL(sta)) 5907 continue; 5908 5909 mvmsta = iwl_mvm_sta_from_mac80211(sta); 5910 if (mvmsta->vif != vif) 5911 continue; 5912 5913 if (sta == mvmvif->ap_sta) { 5914 if (ap_sta_done) 5915 continue; 5916 ap_sta_done = true; 5917 } 5918 5919 if (drop) { 5920 if (iwl_mvm_flush_sta(mvm, mvmsta->deflink.sta_id, 5921 mvmsta->tfd_queue_msk)) 5922 IWL_ERR(mvm, "flush request fail\n"); 5923 } else { 5924 if (iwl_mvm_has_new_tx_api(mvm)) 5925 iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); 5926 else /* only used for !iwl_mvm_has_new_tx_api() below */ 5927 msk |= mvmsta->tfd_queue_msk; 5928 } 5929 } 5930 5931 mutex_unlock(&mvm->mutex); 5932 5933 /* this can take a while, and we may need/want other operations 5934 * to succeed while doing this, so do it without the mutex held 5935 * If the firmware is dead, this can't work... 5936 */ 5937 if (!drop && !iwl_mvm_has_new_tx_api(mvm) && 5938 !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 5939 &mvm->status)) 5940 iwl_trans_wait_tx_queues_empty(mvm->trans, msk); 5941 } 5942 5943 void iwl_mvm_mac_flush_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5944 struct ieee80211_sta *sta) 5945 { 5946 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 5947 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5948 struct iwl_mvm_link_sta *mvm_link_sta; 5949 struct ieee80211_link_sta *link_sta; 5950 int link_id; 5951 5952 guard(mvm)(mvm); 5953 for_each_sta_active_link(vif, sta, link_sta, link_id) { 5954 mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_id], 5955 lockdep_is_held(&mvm->mutex)); 5956 if (!mvm_link_sta) 5957 continue; 5958 5959 if (iwl_mvm_flush_sta(mvm, mvm_link_sta->sta_id, 5960 mvmsta->tfd_queue_msk)) 5961 IWL_ERR(mvm, "flush request fail\n"); 5962 } 5963 } 5964 5965 static int iwl_mvm_mac_get_acs_survey(struct iwl_mvm *mvm, int idx, 5966 struct survey_info *survey) 5967 { 5968 int chan_idx; 5969 enum nl80211_band band; 5970 int ret; 5971 5972 mutex_lock(&mvm->mutex); 5973 5974 if (!mvm->acs_survey) { 5975 ret = -ENOENT; 5976 goto out; 5977 } 5978 5979 /* Find and return the next entry that has a non-zero active time */ 5980 for (band = 0; band < NUM_NL80211_BANDS; band++) { 5981 struct ieee80211_supported_band *sband = 5982 mvm->hw->wiphy->bands[band]; 5983 5984 if (!sband) 5985 continue; 5986 5987 for (chan_idx = 0; chan_idx < sband->n_channels; chan_idx++) { 5988 struct iwl_mvm_acs_survey_channel *info = 5989 &mvm->acs_survey->bands[band][chan_idx]; 5990 5991 if (!info->time) 5992 continue; 5993 5994 /* Found (the next) channel to report */ 5995 survey->channel = &sband->channels[chan_idx]; 5996 survey->filled = SURVEY_INFO_TIME | 5997 SURVEY_INFO_TIME_BUSY | 5998 SURVEY_INFO_TIME_RX | 5999 SURVEY_INFO_TIME_TX; 6000 survey->time = info->time; 6001 survey->time_busy = info->time_busy; 6002 survey->time_rx = info->time_rx; 6003 survey->time_tx = info->time_tx; 6004 survey->noise = info->noise; 6005 if (survey->noise < 0) 6006 survey->filled |= SURVEY_INFO_NOISE_DBM; 6007 6008 /* Clear time so that channel is only reported once */ 6009 info->time = 0; 6010 6011 ret = 0; 6012 goto out; 6013 } 6014 } 6015 6016 ret = -ENOENT; 6017 6018 out: 6019 mutex_unlock(&mvm->mutex); 6020 6021 return ret; 6022 } 6023 6024 int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, 6025 struct survey_info *survey) 6026 { 6027 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6028 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, 6029 WIDE_ID(SYSTEM_GROUP, 6030 SYSTEM_STATISTICS_CMD), 6031 IWL_FW_CMD_VER_UNKNOWN); 6032 6033 memset(survey, 0, sizeof(*survey)); 6034 6035 if (!fw_has_capa(&mvm->fw->ucode_capa, 6036 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 6037 return -ENOENT; 6038 6039 /* 6040 * Return the beacon stats at index zero and pass on following indices 6041 * to the function returning the full survey, most likely for ACS 6042 * (Automatic Channel Selection). 6043 */ 6044 if (idx > 0) 6045 return iwl_mvm_mac_get_acs_survey(mvm, idx - 1, survey); 6046 6047 guard(mvm)(mvm); 6048 6049 if (iwl_mvm_firmware_running(mvm)) { 6050 int ret = iwl_mvm_request_statistics(mvm, false); 6051 6052 if (ret) 6053 return ret; 6054 } 6055 6056 survey->filled = SURVEY_INFO_TIME_RX | 6057 SURVEY_INFO_TIME_TX; 6058 6059 survey->time_rx = mvm->accu_radio_stats.rx_time + 6060 mvm->radio_stats.rx_time; 6061 do_div(survey->time_rx, USEC_PER_MSEC); 6062 6063 survey->time_tx = mvm->accu_radio_stats.tx_time + 6064 mvm->radio_stats.tx_time; 6065 do_div(survey->time_tx, USEC_PER_MSEC); 6066 6067 /* the new fw api doesn't support the following fields */ 6068 if (cmd_ver != IWL_FW_CMD_VER_UNKNOWN) 6069 return 0; 6070 6071 survey->filled |= SURVEY_INFO_TIME | 6072 SURVEY_INFO_TIME_SCAN; 6073 survey->time = mvm->accu_radio_stats.on_time_rf + 6074 mvm->radio_stats.on_time_rf; 6075 do_div(survey->time, USEC_PER_MSEC); 6076 6077 survey->time_scan = mvm->accu_radio_stats.on_time_scan + 6078 mvm->radio_stats.on_time_scan; 6079 do_div(survey->time_scan, USEC_PER_MSEC); 6080 6081 return 0; 6082 } 6083 6084 static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo) 6085 { 6086 u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK; 6087 u32 gi_ltf; 6088 6089 switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { 6090 case RATE_MCS_CHAN_WIDTH_20: 6091 rinfo->bw = RATE_INFO_BW_20; 6092 break; 6093 case RATE_MCS_CHAN_WIDTH_40: 6094 rinfo->bw = RATE_INFO_BW_40; 6095 break; 6096 case RATE_MCS_CHAN_WIDTH_80: 6097 rinfo->bw = RATE_INFO_BW_80; 6098 break; 6099 case RATE_MCS_CHAN_WIDTH_160: 6100 rinfo->bw = RATE_INFO_BW_160; 6101 break; 6102 case RATE_MCS_CHAN_WIDTH_320: 6103 rinfo->bw = RATE_INFO_BW_320; 6104 break; 6105 } 6106 6107 if (format == RATE_MCS_CCK_MSK || 6108 format == RATE_MCS_LEGACY_OFDM_MSK) { 6109 int rate = u32_get_bits(rate_n_flags, RATE_LEGACY_RATE_MSK); 6110 6111 /* add the offset needed to get to the legacy ofdm indices */ 6112 if (format == RATE_MCS_LEGACY_OFDM_MSK) 6113 rate += IWL_FIRST_OFDM_RATE; 6114 6115 switch (rate) { 6116 case IWL_RATE_1M_INDEX: 6117 rinfo->legacy = 10; 6118 break; 6119 case IWL_RATE_2M_INDEX: 6120 rinfo->legacy = 20; 6121 break; 6122 case IWL_RATE_5M_INDEX: 6123 rinfo->legacy = 55; 6124 break; 6125 case IWL_RATE_11M_INDEX: 6126 rinfo->legacy = 110; 6127 break; 6128 case IWL_RATE_6M_INDEX: 6129 rinfo->legacy = 60; 6130 break; 6131 case IWL_RATE_9M_INDEX: 6132 rinfo->legacy = 90; 6133 break; 6134 case IWL_RATE_12M_INDEX: 6135 rinfo->legacy = 120; 6136 break; 6137 case IWL_RATE_18M_INDEX: 6138 rinfo->legacy = 180; 6139 break; 6140 case IWL_RATE_24M_INDEX: 6141 rinfo->legacy = 240; 6142 break; 6143 case IWL_RATE_36M_INDEX: 6144 rinfo->legacy = 360; 6145 break; 6146 case IWL_RATE_48M_INDEX: 6147 rinfo->legacy = 480; 6148 break; 6149 case IWL_RATE_54M_INDEX: 6150 rinfo->legacy = 540; 6151 } 6152 return; 6153 } 6154 6155 rinfo->nss = u32_get_bits(rate_n_flags, 6156 RATE_MCS_NSS_MSK) + 1; 6157 rinfo->mcs = format == RATE_MCS_HT_MSK ? 6158 RATE_HT_MCS_INDEX(rate_n_flags) : 6159 u32_get_bits(rate_n_flags, RATE_MCS_CODE_MSK); 6160 6161 if (rate_n_flags & RATE_MCS_SGI_MSK) 6162 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 6163 6164 switch (format) { 6165 case RATE_MCS_EHT_MSK: 6166 /* TODO: GI/LTF/RU. How does the firmware encode them? */ 6167 rinfo->flags |= RATE_INFO_FLAGS_EHT_MCS; 6168 break; 6169 case RATE_MCS_HE_MSK: 6170 gi_ltf = u32_get_bits(rate_n_flags, RATE_MCS_HE_GI_LTF_MSK); 6171 6172 rinfo->flags |= RATE_INFO_FLAGS_HE_MCS; 6173 6174 if (rate_n_flags & RATE_MCS_HE_106T_MSK) { 6175 rinfo->bw = RATE_INFO_BW_HE_RU; 6176 rinfo->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106; 6177 } 6178 6179 switch (rate_n_flags & RATE_MCS_HE_TYPE_MSK) { 6180 case RATE_MCS_HE_TYPE_SU: 6181 case RATE_MCS_HE_TYPE_EXT_SU: 6182 if (gi_ltf == 0 || gi_ltf == 1) 6183 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6184 else if (gi_ltf == 2) 6185 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6186 else if (gi_ltf == 3) 6187 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6188 else 6189 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6190 break; 6191 case RATE_MCS_HE_TYPE_MU: 6192 if (gi_ltf == 0 || gi_ltf == 1) 6193 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6194 else if (gi_ltf == 2) 6195 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6196 else 6197 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6198 break; 6199 case RATE_MCS_HE_TYPE_TRIG: 6200 if (gi_ltf == 0 || gi_ltf == 1) 6201 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6202 else 6203 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6204 break; 6205 } 6206 6207 if (rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK) 6208 rinfo->he_dcm = 1; 6209 break; 6210 case RATE_MCS_HT_MSK: 6211 rinfo->flags |= RATE_INFO_FLAGS_MCS; 6212 break; 6213 case RATE_MCS_VHT_MSK: 6214 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 6215 break; 6216 } 6217 } 6218 6219 void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, 6220 struct ieee80211_vif *vif, 6221 struct ieee80211_sta *sta, 6222 struct station_info *sinfo) 6223 { 6224 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6225 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 6226 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 6227 int i; 6228 6229 if (mvmsta->deflink.avg_energy) { 6230 sinfo->signal_avg = -(s8)mvmsta->deflink.avg_energy; 6231 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 6232 } 6233 6234 if (iwl_mvm_has_tlc_offload(mvm)) { 6235 struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->deflink.lq_sta.rs_fw; 6236 6237 iwl_mvm_set_sta_rate(lq_sta->last_rate_n_flags, &sinfo->txrate); 6238 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 6239 } 6240 6241 /* if beacon filtering isn't on mac80211 does it anyway */ 6242 if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) 6243 return; 6244 6245 if (!vif->cfg.assoc) 6246 return; 6247 6248 guard(mvm)(mvm); 6249 6250 if (mvmvif->deflink.ap_sta_id != mvmsta->deflink.sta_id) 6251 return; 6252 6253 if (iwl_mvm_request_statistics(mvm, false)) 6254 return; 6255 6256 sinfo->rx_beacon = 0; 6257 for_each_mvm_vif_valid_link(mvmvif, i) 6258 sinfo->rx_beacon += mvmvif->link[i]->beacon_stats.num_beacons + 6259 mvmvif->link[i]->beacon_stats.accu_num_beacons; 6260 6261 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); 6262 if (mvmvif->deflink.beacon_stats.avg_signal) { 6263 /* firmware only reports a value after RXing a few beacons */ 6264 sinfo->rx_beacon_signal_avg = 6265 mvmvif->deflink.beacon_stats.avg_signal; 6266 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); 6267 } 6268 } 6269 6270 static void iwl_mvm_event_mlme_callback_ini(struct iwl_mvm *mvm, 6271 struct ieee80211_vif *vif, 6272 const struct ieee80211_mlme_event *mlme) 6273 { 6274 if ((mlme->data == ASSOC_EVENT || mlme->data == AUTH_EVENT) && 6275 (mlme->status == MLME_DENIED || mlme->status == MLME_TIMEOUT)) { 6276 iwl_dbg_tlv_time_point(&mvm->fwrt, 6277 IWL_FW_INI_TIME_POINT_ASSOC_FAILED, 6278 NULL); 6279 return; 6280 } 6281 6282 if (mlme->data == DEAUTH_RX_EVENT || mlme->data == DEAUTH_TX_EVENT) { 6283 iwl_dbg_tlv_time_point(&mvm->fwrt, 6284 IWL_FW_INI_TIME_POINT_DEASSOC, 6285 NULL); 6286 return; 6287 } 6288 } 6289 6290 static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, 6291 struct ieee80211_vif *vif, 6292 const struct ieee80211_event *event) 6293 { 6294 #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ 6295 do { \ 6296 if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ 6297 break; \ 6298 iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ 6299 } while (0) 6300 6301 struct iwl_fw_dbg_trigger_tlv *trig; 6302 struct iwl_fw_dbg_trigger_mlme *trig_mlme; 6303 6304 if (iwl_trans_dbg_ini_valid(mvm->trans)) { 6305 iwl_mvm_event_mlme_callback_ini(mvm, vif, &event->u.mlme); 6306 return; 6307 } 6308 6309 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 6310 FW_DBG_TRIGGER_MLME); 6311 if (!trig) 6312 return; 6313 6314 trig_mlme = (void *)trig->data; 6315 6316 if (event->u.mlme.data == ASSOC_EVENT) { 6317 if (event->u.mlme.status == MLME_DENIED) 6318 CHECK_MLME_TRIGGER(stop_assoc_denied, 6319 "DENIED ASSOC: reason %d", 6320 event->u.mlme.reason); 6321 else if (event->u.mlme.status == MLME_TIMEOUT) 6322 CHECK_MLME_TRIGGER(stop_assoc_timeout, 6323 "ASSOC TIMEOUT"); 6324 } else if (event->u.mlme.data == AUTH_EVENT) { 6325 if (event->u.mlme.status == MLME_DENIED) 6326 CHECK_MLME_TRIGGER(stop_auth_denied, 6327 "DENIED AUTH: reason %d", 6328 event->u.mlme.reason); 6329 else if (event->u.mlme.status == MLME_TIMEOUT) 6330 CHECK_MLME_TRIGGER(stop_auth_timeout, 6331 "AUTH TIMEOUT"); 6332 } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { 6333 CHECK_MLME_TRIGGER(stop_rx_deauth, 6334 "DEAUTH RX %d", event->u.mlme.reason); 6335 } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { 6336 CHECK_MLME_TRIGGER(stop_tx_deauth, 6337 "DEAUTH TX %d", event->u.mlme.reason); 6338 } 6339 #undef CHECK_MLME_TRIGGER 6340 } 6341 6342 static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, 6343 struct ieee80211_vif *vif, 6344 const struct ieee80211_event *event) 6345 { 6346 struct iwl_fw_dbg_trigger_tlv *trig; 6347 struct iwl_fw_dbg_trigger_ba *ba_trig; 6348 6349 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 6350 FW_DBG_TRIGGER_BA); 6351 if (!trig) 6352 return; 6353 6354 ba_trig = (void *)trig->data; 6355 6356 if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) 6357 return; 6358 6359 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 6360 "BAR received from %pM, tid %d, ssn %d", 6361 event->u.ba.sta->addr, event->u.ba.tid, 6362 event->u.ba.ssn); 6363 } 6364 6365 void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, 6366 struct ieee80211_vif *vif, 6367 const struct ieee80211_event *event) 6368 { 6369 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6370 6371 switch (event->type) { 6372 case MLME_EVENT: 6373 iwl_mvm_event_mlme_callback(mvm, vif, event); 6374 break; 6375 case BAR_RX_EVENT: 6376 iwl_mvm_event_bar_rx_callback(mvm, vif, event); 6377 break; 6378 case BA_FRAME_TIMEOUT: 6379 iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, 6380 event->u.ba.tid); 6381 break; 6382 default: 6383 break; 6384 } 6385 } 6386 6387 #define SYNC_RX_QUEUE_TIMEOUT (HZ) 6388 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 6389 enum iwl_mvm_rxq_notif_type type, 6390 bool sync, 6391 const void *data, u32 size) 6392 { 6393 struct { 6394 struct iwl_rxq_sync_cmd cmd; 6395 struct iwl_mvm_internal_rxq_notif notif; 6396 } __packed cmd = { 6397 .cmd.rxq_mask = cpu_to_le32(BIT(mvm->trans->num_rx_queues) - 1), 6398 .cmd.count = 6399 cpu_to_le32(sizeof(struct iwl_mvm_internal_rxq_notif) + 6400 size), 6401 .notif.type = type, 6402 .notif.sync = sync, 6403 }; 6404 struct iwl_host_cmd hcmd = { 6405 .id = WIDE_ID(DATA_PATH_GROUP, TRIGGER_RX_QUEUES_NOTIF_CMD), 6406 .data[0] = &cmd, 6407 .len[0] = sizeof(cmd), 6408 .data[1] = data, 6409 .len[1] = size, 6410 .flags = CMD_SEND_IN_RFKILL | (sync ? 0 : CMD_ASYNC), 6411 }; 6412 int ret; 6413 6414 /* size must be a multiple of DWORD */ 6415 if (WARN_ON(cmd.cmd.count & cpu_to_le32(3))) 6416 return; 6417 6418 if (!iwl_mvm_has_new_rx_api(mvm)) 6419 return; 6420 6421 if (sync) { 6422 cmd.notif.cookie = mvm->queue_sync_cookie; 6423 mvm->queue_sync_state = (1 << mvm->trans->num_rx_queues) - 1; 6424 } 6425 6426 ret = iwl_mvm_send_cmd(mvm, &hcmd); 6427 if (ret) { 6428 IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); 6429 goto out; 6430 } 6431 6432 if (sync) { 6433 lockdep_assert_held(&mvm->mutex); 6434 ret = wait_event_timeout(mvm->rx_sync_waitq, 6435 READ_ONCE(mvm->queue_sync_state) == 0, 6436 SYNC_RX_QUEUE_TIMEOUT); 6437 WARN_ONCE(!ret, "queue sync: failed to sync, state is 0x%lx, cookie %d\n", 6438 mvm->queue_sync_state, 6439 mvm->queue_sync_cookie); 6440 } 6441 6442 out: 6443 if (sync) { 6444 mvm->queue_sync_state = 0; 6445 mvm->queue_sync_cookie++; 6446 } 6447 } 6448 6449 void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) 6450 { 6451 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6452 6453 guard(mvm)(mvm); 6454 iwl_mvm_sync_rx_queues_internal(mvm, IWL_MVM_RXQ_EMPTY, true, NULL, 0); 6455 } 6456 6457 int 6458 iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw, 6459 struct ieee80211_vif *vif, 6460 struct cfg80211_ftm_responder_stats *stats) 6461 { 6462 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6463 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 6464 6465 if (vif->p2p || vif->type != NL80211_IFTYPE_AP || 6466 !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder) 6467 return -EINVAL; 6468 6469 mutex_lock(&mvm->mutex); 6470 *stats = mvm->ftm_resp_stats; 6471 mutex_unlock(&mvm->mutex); 6472 6473 stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) | 6474 BIT(NL80211_FTM_STATS_PARTIAL_NUM) | 6475 BIT(NL80211_FTM_STATS_FAILED_NUM) | 6476 BIT(NL80211_FTM_STATS_ASAP_NUM) | 6477 BIT(NL80211_FTM_STATS_NON_ASAP_NUM) | 6478 BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) | 6479 BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) | 6480 BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) | 6481 BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM); 6482 6483 return 0; 6484 } 6485 6486 int iwl_mvm_start_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 6487 struct cfg80211_pmsr_request *request) 6488 { 6489 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6490 6491 guard(mvm)(mvm); 6492 return iwl_mvm_ftm_start(mvm, vif, request); 6493 } 6494 6495 void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 6496 struct cfg80211_pmsr_request *request) 6497 { 6498 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6499 6500 guard(mvm)(mvm); 6501 iwl_mvm_ftm_abort(mvm, request); 6502 } 6503 6504 static bool iwl_mvm_can_hw_csum(struct sk_buff *skb) 6505 { 6506 u8 protocol = ip_hdr(skb)->protocol; 6507 6508 if (!IS_ENABLED(CONFIG_INET)) 6509 return false; 6510 6511 return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP; 6512 } 6513 6514 static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw, 6515 struct sk_buff *head, 6516 struct sk_buff *skb) 6517 { 6518 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6519 6520 /* For now don't aggregate IPv6 in AMSDU */ 6521 if (skb->protocol != htons(ETH_P_IP)) 6522 return false; 6523 6524 if (!iwl_mvm_is_csum_supported(mvm)) 6525 return true; 6526 6527 return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head); 6528 } 6529 6530 int iwl_mvm_set_hw_timestamp(struct ieee80211_hw *hw, 6531 struct ieee80211_vif *vif, 6532 struct cfg80211_set_hw_timestamp *hwts) 6533 { 6534 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6535 u32 protocols = 0; 6536 6537 /* HW timestamping is only supported for a specific station */ 6538 if (!hwts->macaddr) 6539 return -EOPNOTSUPP; 6540 6541 if (hwts->enable) 6542 protocols = 6543 IWL_TIME_SYNC_PROTOCOL_TM | IWL_TIME_SYNC_PROTOCOL_FTM; 6544 6545 guard(mvm)(mvm); 6546 return iwl_mvm_time_sync_config(mvm, hwts->macaddr, protocols); 6547 } 6548 6549 const struct ieee80211_ops iwl_mvm_hw_ops = { 6550 .tx = iwl_mvm_mac_tx, 6551 .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, 6552 .ampdu_action = iwl_mvm_mac_ampdu_action, 6553 .get_antenna = iwl_mvm_op_get_antenna, 6554 .set_antenna = iwl_mvm_op_set_antenna, 6555 .start = iwl_mvm_mac_start, 6556 .reconfig_complete = iwl_mvm_mac_reconfig_complete, 6557 .stop = iwl_mvm_mac_stop, 6558 .add_interface = iwl_mvm_mac_add_interface, 6559 .remove_interface = iwl_mvm_mac_remove_interface, 6560 .config = iwl_mvm_mac_config, 6561 .prepare_multicast = iwl_mvm_prepare_multicast, 6562 .configure_filter = iwl_mvm_configure_filter, 6563 .config_iface_filter = iwl_mvm_config_iface_filter, 6564 .bss_info_changed = iwl_mvm_bss_info_changed, 6565 .hw_scan = iwl_mvm_mac_hw_scan, 6566 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, 6567 .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, 6568 .sta_state = iwl_mvm_mac_sta_state, 6569 .sta_notify = iwl_mvm_mac_sta_notify, 6570 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, 6571 .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, 6572 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, 6573 .sta_rc_update = iwl_mvm_sta_rc_update, 6574 .conf_tx = iwl_mvm_mac_conf_tx, 6575 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, 6576 .mgd_complete_tx = iwl_mvm_mac_mgd_complete_tx, 6577 .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, 6578 .flush = iwl_mvm_mac_flush, 6579 .flush_sta = iwl_mvm_mac_flush_sta, 6580 .sched_scan_start = iwl_mvm_mac_sched_scan_start, 6581 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, 6582 .set_key = iwl_mvm_mac_set_key, 6583 .update_tkip_key = iwl_mvm_mac_update_tkip_key, 6584 .remain_on_channel = iwl_mvm_roc, 6585 .cancel_remain_on_channel = iwl_mvm_cancel_roc, 6586 .add_chanctx = iwl_mvm_add_chanctx, 6587 .remove_chanctx = iwl_mvm_remove_chanctx, 6588 .change_chanctx = iwl_mvm_change_chanctx, 6589 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, 6590 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, 6591 .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, 6592 6593 .start_ap = iwl_mvm_start_ap, 6594 .stop_ap = iwl_mvm_stop_ap, 6595 .join_ibss = iwl_mvm_start_ibss, 6596 .leave_ibss = iwl_mvm_stop_ibss, 6597 6598 .tx_last_beacon = iwl_mvm_tx_last_beacon, 6599 6600 .set_tim = iwl_mvm_set_tim, 6601 6602 .channel_switch = iwl_mvm_channel_switch, 6603 .pre_channel_switch = iwl_mvm_mac_pre_channel_switch, 6604 .post_channel_switch = iwl_mvm_post_channel_switch, 6605 .abort_channel_switch = iwl_mvm_abort_channel_switch, 6606 .channel_switch_rx_beacon = iwl_mvm_channel_switch_rx_beacon, 6607 6608 .tdls_channel_switch = iwl_mvm_tdls_channel_switch, 6609 .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, 6610 .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, 6611 6612 .event_callback = iwl_mvm_mac_event_callback, 6613 6614 .sync_rx_queues = iwl_mvm_sync_rx_queues, 6615 6616 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) 6617 6618 #ifdef CONFIG_PM_SLEEP 6619 /* look at d3.c */ 6620 .suspend = iwl_mvm_suspend, 6621 .resume = iwl_mvm_resume, 6622 .set_wakeup = iwl_mvm_set_wakeup, 6623 .set_rekey_data = iwl_mvm_set_rekey_data, 6624 #if IS_ENABLED(CONFIG_IPV6) 6625 .ipv6_addr_change = iwl_mvm_ipv6_addr_change, 6626 #endif 6627 .set_default_unicast_key = iwl_mvm_set_default_unicast_key, 6628 #endif 6629 .get_survey = iwl_mvm_mac_get_survey, 6630 .sta_statistics = iwl_mvm_mac_sta_statistics, 6631 .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats, 6632 .start_pmsr = iwl_mvm_start_pmsr, 6633 .abort_pmsr = iwl_mvm_abort_pmsr, 6634 6635 .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate, 6636 #ifdef CONFIG_IWLWIFI_DEBUGFS 6637 .vif_add_debugfs = iwl_mvm_vif_add_debugfs, 6638 .link_sta_add_debugfs = iwl_mvm_link_sta_add_debugfs, 6639 #endif 6640 .set_hw_timestamp = iwl_mvm_set_hw_timestamp, 6641 }; 6642