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-eeprom-parse.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 static const struct ieee80211_iface_limit iwl_mvm_limits[] = { 34 { 35 .max = 1, 36 .types = BIT(NL80211_IFTYPE_STATION), 37 }, 38 { 39 .max = 1, 40 .types = BIT(NL80211_IFTYPE_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 50 static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = { 51 { 52 .num_different_channels = 2, 53 .max_interfaces = 3, 54 .limits = iwl_mvm_limits, 55 .n_limits = ARRAY_SIZE(iwl_mvm_limits), 56 }, 57 }; 58 59 static const struct cfg80211_pmsr_capabilities iwl_mvm_pmsr_capa = { 60 .max_peers = IWL_MVM_TOF_MAX_APS, 61 .report_ap_tsf = 1, 62 .randomize_mac_addr = 1, 63 64 .ftm = { 65 .supported = 1, 66 .asap = 1, 67 .non_asap = 1, 68 .request_lci = 1, 69 .request_civicloc = 1, 70 .trigger_based = 1, 71 .non_trigger_based = 1, 72 .max_bursts_exponent = -1, /* all supported */ 73 .max_ftms_per_burst = 0, /* no limits */ 74 .bandwidths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 75 BIT(NL80211_CHAN_WIDTH_20) | 76 BIT(NL80211_CHAN_WIDTH_40) | 77 BIT(NL80211_CHAN_WIDTH_80) | 78 BIT(NL80211_CHAN_WIDTH_160), 79 .preambles = BIT(NL80211_PREAMBLE_LEGACY) | 80 BIT(NL80211_PREAMBLE_HT) | 81 BIT(NL80211_PREAMBLE_VHT) | 82 BIT(NL80211_PREAMBLE_HE), 83 }, 84 }; 85 86 static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 87 enum set_key_cmd cmd, 88 struct ieee80211_vif *vif, 89 struct ieee80211_sta *sta, 90 struct ieee80211_key_conf *key); 91 92 static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm) 93 { 94 int i; 95 96 memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts)); 97 for (i = 0; i < NUM_PHY_CTX; i++) { 98 mvm->phy_ctxts[i].id = i; 99 mvm->phy_ctxts[i].ref = 0; 100 } 101 } 102 103 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, 104 const char *alpha2, 105 enum iwl_mcc_source src_id, 106 bool *changed) 107 { 108 struct ieee80211_regdomain *regd = NULL; 109 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 110 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 111 struct iwl_mcc_update_resp_v8 *resp; 112 u8 resp_ver; 113 114 IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2); 115 116 lockdep_assert_held(&mvm->mutex); 117 118 resp = iwl_mvm_update_mcc(mvm, alpha2, src_id); 119 if (IS_ERR_OR_NULL(resp)) { 120 IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n", 121 PTR_ERR_OR_ZERO(resp)); 122 resp = NULL; 123 goto out; 124 } 125 126 if (changed) { 127 u32 status = le32_to_cpu(resp->status); 128 129 *changed = (status == MCC_RESP_NEW_CHAN_PROFILE || 130 status == MCC_RESP_ILLEGAL); 131 } 132 resp_ver = iwl_fw_lookup_notif_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP, 133 MCC_UPDATE_CMD, 0); 134 IWL_DEBUG_LAR(mvm, "MCC update response version: %d\n", resp_ver); 135 136 regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg, 137 __le32_to_cpu(resp->n_channels), 138 resp->channels, 139 __le16_to_cpu(resp->mcc), 140 __le16_to_cpu(resp->geo_info), 141 le32_to_cpu(resp->cap), resp_ver, 142 mvm->fwrt.uats_enabled); 143 /* Store the return source id */ 144 src_id = resp->source_id; 145 if (IS_ERR_OR_NULL(regd)) { 146 IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n", 147 PTR_ERR_OR_ZERO(regd)); 148 goto out; 149 } 150 151 IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n", 152 regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id); 153 mvm->lar_regdom_set = true; 154 mvm->mcc_src = src_id; 155 156 /* Some kind of regulatory mess means we need to currently disallow 157 * puncturing in the US and Canada. Do that here, at least until we 158 * figure out the new chanctx APIs for puncturing. 159 */ 160 if (resp->mcc == cpu_to_le16(IWL_MCC_US) || 161 resp->mcc == cpu_to_le16(IWL_MCC_CANADA)) 162 ieee80211_hw_set(mvm->hw, DISALLOW_PUNCTURING); 163 else 164 __clear_bit(IEEE80211_HW_DISALLOW_PUNCTURING, mvm->hw->flags); 165 166 iwl_mei_set_country_code(__le16_to_cpu(resp->mcc)); 167 168 out: 169 kfree(resp); 170 return regd; 171 } 172 173 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm) 174 { 175 bool changed; 176 struct ieee80211_regdomain *regd; 177 178 if (!iwl_mvm_is_lar_supported(mvm)) 179 return; 180 181 regd = iwl_mvm_get_current_regdomain(mvm, &changed); 182 if (!IS_ERR_OR_NULL(regd)) { 183 /* only update the regulatory core if changed */ 184 if (changed) 185 regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); 186 187 kfree(regd); 188 } 189 } 190 191 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, 192 bool *changed) 193 { 194 return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ", 195 iwl_mvm_is_wifi_mcc_supported(mvm) ? 196 MCC_SOURCE_GET_CURRENT : 197 MCC_SOURCE_OLD_FW, changed); 198 } 199 200 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm, bool force_regd_sync) 201 { 202 enum iwl_mcc_source used_src; 203 struct ieee80211_regdomain *regd; 204 int ret; 205 bool changed; 206 const struct ieee80211_regdomain *r = 207 wiphy_dereference(mvm->hw->wiphy, mvm->hw->wiphy->regd); 208 209 if (!r) 210 return -ENOENT; 211 212 /* save the last source in case we overwrite it below */ 213 used_src = mvm->mcc_src; 214 if (iwl_mvm_is_wifi_mcc_supported(mvm)) { 215 /* Notify the firmware we support wifi location updates */ 216 regd = iwl_mvm_get_current_regdomain(mvm, NULL); 217 if (!IS_ERR_OR_NULL(regd)) 218 kfree(regd); 219 } 220 221 /* Now set our last stored MCC and source */ 222 regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src, 223 &changed); 224 if (IS_ERR_OR_NULL(regd)) 225 return -EIO; 226 227 /* update cfg80211 if the regdomain was changed or the caller explicitly 228 * asked to update regdomain 229 */ 230 if (changed || force_regd_sync) 231 ret = regulatory_set_wiphy_regd_sync(mvm->hw->wiphy, regd); 232 else 233 ret = 0; 234 235 kfree(regd); 236 return ret; 237 } 238 239 /* Each capability added here should also be add to tm_if_types_ext_capa_sta */ 240 static const u8 he_if_types_ext_capa_sta[] = { 241 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 242 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT, 243 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF | 244 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB, 245 [8] = WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB, 246 }; 247 248 static const u8 tm_if_types_ext_capa_sta[] = { 249 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 250 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT | 251 WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT, 252 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF | 253 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB, 254 [8] = WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB, 255 [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, 256 }; 257 258 /* Additional interface types for which extended capabilities are 259 * specified separately 260 */ 261 262 #define IWL_MVM_EMLSR_CAPA (IEEE80211_EML_CAP_EMLSR_SUPP | \ 263 IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US << \ 264 __bf_shf(IEEE80211_EML_CAP_EMLSR_PADDING_DELAY) | \ 265 IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US << \ 266 __bf_shf(IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY)) 267 #define IWL_MVM_MLD_CAPA_OPS FIELD_PREP_CONST( \ 268 IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP, \ 269 IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_SAME) 270 271 static const struct wiphy_iftype_ext_capab add_iftypes_ext_capa[] = { 272 { 273 .iftype = NL80211_IFTYPE_STATION, 274 .extended_capabilities = he_if_types_ext_capa_sta, 275 .extended_capabilities_mask = he_if_types_ext_capa_sta, 276 .extended_capabilities_len = sizeof(he_if_types_ext_capa_sta), 277 /* relevant only if EHT is supported */ 278 .eml_capabilities = IWL_MVM_EMLSR_CAPA, 279 .mld_capa_and_ops = IWL_MVM_MLD_CAPA_OPS, 280 }, 281 { 282 .iftype = NL80211_IFTYPE_STATION, 283 .extended_capabilities = tm_if_types_ext_capa_sta, 284 .extended_capabilities_mask = tm_if_types_ext_capa_sta, 285 .extended_capabilities_len = sizeof(tm_if_types_ext_capa_sta), 286 /* relevant only if EHT is supported */ 287 .eml_capabilities = IWL_MVM_EMLSR_CAPA, 288 .mld_capa_and_ops = IWL_MVM_MLD_CAPA_OPS, 289 }, 290 }; 291 292 int iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) 293 { 294 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 295 *tx_ant = iwl_mvm_get_valid_tx_ant(mvm); 296 *rx_ant = iwl_mvm_get_valid_rx_ant(mvm); 297 return 0; 298 } 299 300 int iwl_mvm_op_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 301 { 302 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 303 304 /* This has been tested on those devices only */ 305 if (mvm->trans->trans_cfg->device_family != IWL_DEVICE_FAMILY_9000 && 306 mvm->trans->trans_cfg->device_family != IWL_DEVICE_FAMILY_22000) 307 return -EOPNOTSUPP; 308 309 if (!mvm->nvm_data) 310 return -EBUSY; 311 312 /* mac80211 ensures the device is not started, 313 * so the firmware cannot be running 314 */ 315 316 mvm->set_tx_ant = tx_ant; 317 mvm->set_rx_ant = rx_ant; 318 319 iwl_reinit_cab(mvm->trans, mvm->nvm_data, tx_ant, rx_ant, mvm->fw); 320 321 return 0; 322 } 323 324 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) 325 { 326 struct ieee80211_hw *hw = mvm->hw; 327 int num_mac, ret, i; 328 static const u32 mvm_ciphers[] = { 329 WLAN_CIPHER_SUITE_WEP40, 330 WLAN_CIPHER_SUITE_WEP104, 331 WLAN_CIPHER_SUITE_TKIP, 332 WLAN_CIPHER_SUITE_CCMP, 333 }; 334 #ifdef CONFIG_PM_SLEEP 335 bool unified = fw_has_capa(&mvm->fw->ucode_capa, 336 IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); 337 #endif 338 u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); 339 u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); 340 341 /* Tell mac80211 our characteristics */ 342 ieee80211_hw_set(hw, SIGNAL_DBM); 343 ieee80211_hw_set(hw, SPECTRUM_MGMT); 344 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 345 ieee80211_hw_set(hw, WANT_MONITOR_VIF); 346 ieee80211_hw_set(hw, SUPPORTS_PS); 347 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 348 ieee80211_hw_set(hw, AMPDU_AGGREGATION); 349 ieee80211_hw_set(hw, CONNECTION_MONITOR); 350 ieee80211_hw_set(hw, CHANCTX_STA_CSA); 351 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 352 ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); 353 ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); 354 ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); 355 ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); 356 ieee80211_hw_set(hw, BUFF_MMPDU_TXQ); 357 ieee80211_hw_set(hw, STA_MMPDU_TXQ); 358 359 /* Set this early since we need to have it for the check below */ 360 if (mvm->mld_api_is_used && mvm->nvm_data->sku_cap_11be_enable && 361 !iwlwifi_mod_params.disable_11ax && 362 !iwlwifi_mod_params.disable_11be) { 363 hw->wiphy->flags |= WIPHY_FLAG_DISABLE_WEXT; 364 /* we handle this already earlier, but need it for MLO */ 365 ieee80211_hw_set(hw, HANDLES_QUIET_CSA); 366 } 367 368 /* With MLD FW API, it tracks timing by itself, 369 * no need for any timing from the host 370 */ 371 if (!mvm->mld_api_is_used) 372 ieee80211_hw_set(hw, TIMING_BEACON_ONLY); 373 374 /* We should probably have this, but mac80211 375 * currently doesn't support it for MLO. 376 */ 377 if (!(hw->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO)) 378 ieee80211_hw_set(hw, DEAUTH_NEED_MGD_TX_PREP); 379 380 /* 381 * On older devices, enabling TX A-MSDU occasionally leads to 382 * something getting messed up, the command read from the FIFO 383 * gets out of sync and isn't a TX command, so that we have an 384 * assert EDC. 385 * 386 * It's not clear where the bug is, but since we didn't used to 387 * support A-MSDU until moving the mac80211 iTXQs, just leave it 388 * for older devices. We also don't see this issue on any newer 389 * devices. 390 */ 391 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_9000) 392 ieee80211_hw_set(hw, TX_AMSDU); 393 ieee80211_hw_set(hw, TX_FRAG_LIST); 394 395 if (iwl_mvm_has_tlc_offload(mvm)) { 396 ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); 397 ieee80211_hw_set(hw, HAS_RATE_CONTROL); 398 } 399 400 /* We want to use the mac80211's reorder buffer for 9000 */ 401 if (iwl_mvm_has_new_rx_api(mvm) && 402 mvm->trans->trans_cfg->device_family > IWL_DEVICE_FAMILY_9000) 403 ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); 404 405 if (fw_has_capa(&mvm->fw->ucode_capa, 406 IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) { 407 ieee80211_hw_set(hw, AP_LINK_PS); 408 } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) { 409 /* 410 * we absolutely need this for the new TX API since that comes 411 * with many more queues than the current code can deal with 412 * for station powersave 413 */ 414 return -EINVAL; 415 } 416 417 if (mvm->trans->num_rx_queues > 1) 418 ieee80211_hw_set(hw, USES_RSS); 419 420 if (mvm->trans->max_skb_frags) 421 hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; 422 423 hw->queues = IEEE80211_NUM_ACS; 424 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; 425 hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | 426 IEEE80211_RADIOTAP_MCS_HAVE_STBC; 427 hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | 428 IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; 429 430 hw->radiotap_timestamp.units_pos = 431 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US | 432 IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ; 433 /* this is the case for CCK frames, it's better (only 8) for OFDM */ 434 hw->radiotap_timestamp.accuracy = 22; 435 436 if (!iwl_mvm_has_tlc_offload(mvm)) 437 hw->rate_control_algorithm = RS_NAME; 438 439 hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; 440 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; 441 hw->max_tx_fragments = mvm->trans->max_skb_frags; 442 443 BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); 444 memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); 445 hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); 446 hw->wiphy->cipher_suites = mvm->ciphers; 447 448 if (iwl_mvm_has_new_rx_api(mvm)) { 449 mvm->ciphers[hw->wiphy->n_cipher_suites] = 450 WLAN_CIPHER_SUITE_GCMP; 451 hw->wiphy->n_cipher_suites++; 452 mvm->ciphers[hw->wiphy->n_cipher_suites] = 453 WLAN_CIPHER_SUITE_GCMP_256; 454 hw->wiphy->n_cipher_suites++; 455 } 456 457 if (iwlwifi_mod_params.swcrypto) 458 IWL_ERR(mvm, 459 "iwlmvm doesn't allow to disable HW crypto, check swcrypto module parameter\n"); 460 if (!iwlwifi_mod_params.bt_coex_active) 461 IWL_ERR(mvm, 462 "iwlmvm doesn't allow to disable BT Coex, check bt_coex_active module parameter\n"); 463 464 ieee80211_hw_set(hw, MFP_CAPABLE); 465 mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_AES_CMAC; 466 hw->wiphy->n_cipher_suites++; 467 if (iwl_mvm_has_new_rx_api(mvm)) { 468 mvm->ciphers[hw->wiphy->n_cipher_suites] = 469 WLAN_CIPHER_SUITE_BIP_GMAC_128; 470 hw->wiphy->n_cipher_suites++; 471 mvm->ciphers[hw->wiphy->n_cipher_suites] = 472 WLAN_CIPHER_SUITE_BIP_GMAC_256; 473 hw->wiphy->n_cipher_suites++; 474 } 475 476 wiphy_ext_feature_set(hw->wiphy, 477 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY); 478 wiphy_ext_feature_set(hw->wiphy, 479 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT); 480 481 if (fw_has_capa(&mvm->fw->ucode_capa, 482 IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) { 483 wiphy_ext_feature_set(hw->wiphy, 484 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER); 485 hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa; 486 } 487 488 if (sec_key_ver && 489 fw_has_capa(&mvm->fw->ucode_capa, 490 IWL_UCODE_TLV_CAPA_BIGTK_TX_SUPPORT)) 491 wiphy_ext_feature_set(hw->wiphy, 492 NL80211_EXT_FEATURE_BEACON_PROTECTION); 493 else if (fw_has_capa(&mvm->fw->ucode_capa, 494 IWL_UCODE_TLV_CAPA_BIGTK_SUPPORT)) 495 wiphy_ext_feature_set(hw->wiphy, 496 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT); 497 498 if (fw_has_capa(&mvm->fw->ucode_capa, 499 IWL_UCODE_TLV_CAPA_TIME_SYNC_BOTH_FTM_TM)) 500 hw->wiphy->hw_timestamp_max_peers = 1; 501 502 if (fw_has_capa(&mvm->fw->ucode_capa, 503 IWL_UCODE_TLV_CAPA_SPP_AMSDU_SUPPORT)) 504 wiphy_ext_feature_set(hw->wiphy, 505 NL80211_EXT_FEATURE_SPP_AMSDU_SUPPORT); 506 507 ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); 508 hw->wiphy->features |= 509 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 510 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 511 NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 512 513 hw->sta_data_size = sizeof(struct iwl_mvm_sta); 514 hw->vif_data_size = sizeof(struct iwl_mvm_vif); 515 hw->chanctx_data_size = sizeof(u16); 516 hw->txq_data_size = sizeof(struct iwl_mvm_txq); 517 518 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 519 BIT(NL80211_IFTYPE_P2P_CLIENT) | 520 BIT(NL80211_IFTYPE_AP) | 521 BIT(NL80211_IFTYPE_P2P_GO) | 522 BIT(NL80211_IFTYPE_P2P_DEVICE) | 523 BIT(NL80211_IFTYPE_ADHOC); 524 525 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 526 wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); 527 528 /* The new Tx API does not allow to pass the key or keyid of a MPDU to 529 * the hw, preventing us to control which key(id) to use per MPDU. 530 * Till that's fixed we can't use Extended Key ID for the newer cards. 531 */ 532 if (!iwl_mvm_has_new_tx_api(mvm)) 533 wiphy_ext_feature_set(hw->wiphy, 534 NL80211_EXT_FEATURE_EXT_KEY_ID); 535 hw->wiphy->features |= NL80211_FEATURE_HT_IBSS; 536 537 hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; 538 if (iwl_mvm_is_lar_supported(mvm)) 539 hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 540 else 541 hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 542 REGULATORY_DISABLE_BEACON_HINTS; 543 544 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) 545 wiphy_ext_feature_set(hw->wiphy, 546 NL80211_EXT_FEATURE_DFS_CONCURRENT); 547 548 hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 549 hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 550 hw->wiphy->flags |= WIPHY_FLAG_SPLIT_SCAN_6GHZ; 551 552 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; 553 hw->wiphy->n_iface_combinations = 554 ARRAY_SIZE(iwl_mvm_iface_combinations); 555 556 hw->wiphy->max_remain_on_channel_duration = 10000; 557 hw->max_listen_interval = IWL_MVM_CONN_LISTEN_INTERVAL; 558 559 /* Extract MAC address */ 560 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); 561 hw->wiphy->addresses = mvm->addresses; 562 hw->wiphy->n_addresses = 1; 563 564 /* Extract additional MAC addresses if available */ 565 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? 566 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; 567 568 for (i = 1; i < num_mac; i++) { 569 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, 570 ETH_ALEN); 571 mvm->addresses[i].addr[5]++; 572 hw->wiphy->n_addresses++; 573 } 574 575 iwl_mvm_reset_phy_ctxts(mvm); 576 577 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); 578 579 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; 580 581 BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); 582 BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || 583 IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); 584 585 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 586 mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS; 587 else 588 mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS; 589 590 if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels) 591 hw->wiphy->bands[NL80211_BAND_2GHZ] = 592 &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; 593 if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) { 594 hw->wiphy->bands[NL80211_BAND_5GHZ] = 595 &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; 596 597 if (fw_has_capa(&mvm->fw->ucode_capa, 598 IWL_UCODE_TLV_CAPA_BEAMFORMER) && 599 fw_has_api(&mvm->fw->ucode_capa, 600 IWL_UCODE_TLV_API_LQ_SS_PARAMS)) 601 hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |= 602 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; 603 } 604 if (fw_has_capa(&mvm->fw->ucode_capa, 605 IWL_UCODE_TLV_CAPA_PSC_CHAN_SUPPORT) && 606 mvm->nvm_data->bands[NL80211_BAND_6GHZ].n_channels) 607 hw->wiphy->bands[NL80211_BAND_6GHZ] = 608 &mvm->nvm_data->bands[NL80211_BAND_6GHZ]; 609 610 hw->wiphy->hw_version = mvm->trans->hw_id; 611 612 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) 613 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; 614 else 615 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 616 617 hw->wiphy->max_sched_scan_reqs = 1; 618 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; 619 hw->wiphy->max_match_sets = iwl_umac_scan_get_max_profiles(mvm->fw); 620 /* we create the 802.11 header and zero length SSID IE. */ 621 hw->wiphy->max_sched_scan_ie_len = 622 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; 623 hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; 624 hw->wiphy->max_sched_scan_plan_interval = U16_MAX; 625 626 /* 627 * the firmware uses u8 for num of iterations, but 0xff is saved for 628 * infinite loop, so the maximum number of iterations is actually 254. 629 */ 630 hw->wiphy->max_sched_scan_plan_iterations = 254; 631 632 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | 633 NL80211_FEATURE_LOW_PRIORITY_SCAN | 634 NL80211_FEATURE_P2P_GO_OPPPS | 635 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 636 NL80211_FEATURE_DYNAMIC_SMPS | 637 NL80211_FEATURE_STATIC_SMPS | 638 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; 639 640 if (fw_has_capa(&mvm->fw->ucode_capa, 641 IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) 642 hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; 643 if (fw_has_capa(&mvm->fw->ucode_capa, 644 IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) 645 hw->wiphy->features |= NL80211_FEATURE_QUIET; 646 647 if (fw_has_capa(&mvm->fw->ucode_capa, 648 IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) 649 hw->wiphy->features |= 650 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; 651 652 if (fw_has_capa(&mvm->fw->ucode_capa, 653 IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) 654 hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; 655 656 if (iwl_fw_lookup_cmd_ver(mvm->fw, WOWLAN_KEK_KCK_MATERIAL, 657 IWL_FW_CMD_VER_UNKNOWN) == 3) 658 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK; 659 660 if (fw_has_api(&mvm->fw->ucode_capa, 661 IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) { 662 wiphy_ext_feature_set(hw->wiphy, 663 NL80211_EXT_FEATURE_SCAN_START_TIME); 664 wiphy_ext_feature_set(hw->wiphy, 665 NL80211_EXT_FEATURE_BSS_PARENT_TSF); 666 } 667 668 if (iwl_mvm_is_oce_supported(mvm)) { 669 u8 scan_ver = iwl_fw_lookup_cmd_ver(mvm->fw, SCAN_REQ_UMAC, 0); 670 671 wiphy_ext_feature_set(hw->wiphy, 672 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP); 673 wiphy_ext_feature_set(hw->wiphy, 674 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME); 675 wiphy_ext_feature_set(hw->wiphy, 676 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE); 677 678 /* Old firmware also supports probe deferral and suppression */ 679 if (scan_ver < 15) 680 wiphy_ext_feature_set(hw->wiphy, 681 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION); 682 } 683 684 hw->wiphy->iftype_ext_capab = NULL; 685 hw->wiphy->num_iftype_ext_capab = 0; 686 687 if (mvm->nvm_data->sku_cap_11ax_enable && 688 !iwlwifi_mod_params.disable_11ax) { 689 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa; 690 hw->wiphy->num_iftype_ext_capab = 691 ARRAY_SIZE(add_iftypes_ext_capa) - 1; 692 693 ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); 694 ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID); 695 } 696 697 if (iwl_fw_lookup_cmd_ver(mvm->fw, 698 WIDE_ID(DATA_PATH_GROUP, 699 WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD), 700 IWL_FW_CMD_VER_UNKNOWN) >= 1) { 701 IWL_DEBUG_INFO(mvm->trans, "Timing measurement supported\n"); 702 703 if (!hw->wiphy->iftype_ext_capab) { 704 hw->wiphy->num_iftype_ext_capab = 1; 705 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 706 ARRAY_SIZE(add_iftypes_ext_capa) - 1; 707 } else { 708 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 1; 709 } 710 } 711 712 if (iwl_fw_lookup_cmd_ver(mvm->fw, WIDE_ID(LOCATION_GROUP, 713 TOF_RANGE_REQ_CMD), 714 IWL_FW_CMD_VER_UNKNOWN) >= 11) { 715 wiphy_ext_feature_set(hw->wiphy, 716 NL80211_EXT_FEATURE_PROT_RANGE_NEGO_AND_MEASURE); 717 718 if (fw_has_capa(&mvm->fw->ucode_capa, 719 IWL_UCODE_TLV_CAPA_SECURE_LTF_SUPPORT)) 720 wiphy_ext_feature_set(hw->wiphy, 721 NL80211_EXT_FEATURE_SECURE_LTF); 722 } 723 724 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; 725 726 ieee80211_hw_set(hw, DISALLOW_PUNCTURING_5GHZ); 727 728 #ifdef CONFIG_PM_SLEEP 729 if ((unified || mvm->fw->img[IWL_UCODE_WOWLAN].num_sec) && 730 mvm->trans->ops->d3_suspend && 731 mvm->trans->ops->d3_resume && 732 device_can_wakeup(mvm->trans->dev)) { 733 mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | 734 WIPHY_WOWLAN_DISCONNECT | 735 WIPHY_WOWLAN_EAP_IDENTITY_REQ | 736 WIPHY_WOWLAN_RFKILL_RELEASE | 737 WIPHY_WOWLAN_NET_DETECT; 738 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 739 WIPHY_WOWLAN_GTK_REKEY_FAILURE | 740 WIPHY_WOWLAN_4WAY_HANDSHAKE; 741 742 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; 743 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; 744 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; 745 mvm->wowlan.max_nd_match_sets = 746 iwl_umac_scan_get_max_profiles(mvm->fw); 747 hw->wiphy->wowlan = &mvm->wowlan; 748 } 749 #endif 750 751 ret = iwl_mvm_leds_init(mvm); 752 if (ret) 753 return ret; 754 755 if (fw_has_capa(&mvm->fw->ucode_capa, 756 IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { 757 IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); 758 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 759 ieee80211_hw_set(hw, TDLS_WIDER_BW); 760 } 761 762 if (fw_has_capa(&mvm->fw->ucode_capa, 763 IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { 764 IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); 765 hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 766 } 767 768 hw->netdev_features |= mvm->cfg->features; 769 if (!iwl_mvm_is_csum_supported(mvm)) 770 hw->netdev_features &= ~IWL_CSUM_NETIF_FLAGS_MASK; 771 772 if (mvm->cfg->vht_mu_mimo_supported) 773 wiphy_ext_feature_set(hw->wiphy, 774 NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); 775 776 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_PROTECTED_TWT)) 777 wiphy_ext_feature_set(hw->wiphy, 778 NL80211_EXT_FEATURE_PROTECTED_TWT); 779 780 iwl_mvm_vendor_cmds_register(mvm); 781 782 hw->wiphy->available_antennas_tx = iwl_mvm_get_valid_tx_ant(mvm); 783 hw->wiphy->available_antennas_rx = iwl_mvm_get_valid_rx_ant(mvm); 784 785 ret = ieee80211_register_hw(mvm->hw); 786 if (ret) { 787 iwl_mvm_leds_exit(mvm); 788 } 789 790 return ret; 791 } 792 793 static void iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, 794 struct ieee80211_sta *sta) 795 { 796 if (likely(sta)) { 797 if (likely(iwl_mvm_tx_skb_sta(mvm, skb, sta) == 0)) 798 return; 799 } else { 800 if (likely(iwl_mvm_tx_skb_non_sta(mvm, skb) == 0)) 801 return; 802 } 803 804 ieee80211_free_txskb(mvm->hw, skb); 805 } 806 807 void iwl_mvm_mac_tx(struct ieee80211_hw *hw, 808 struct ieee80211_tx_control *control, struct sk_buff *skb) 809 { 810 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 811 struct ieee80211_sta *sta = control->sta; 812 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 813 struct ieee80211_hdr *hdr = (void *)skb->data; 814 bool offchannel = IEEE80211_SKB_CB(skb)->flags & 815 IEEE80211_TX_CTL_TX_OFFCHAN; 816 u32 link_id = u32_get_bits(info->control.flags, 817 IEEE80211_TX_CTRL_MLO_LINK); 818 struct ieee80211_sta *tmp_sta = sta; 819 820 if (iwl_mvm_is_radio_killed(mvm)) { 821 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); 822 goto drop; 823 } 824 825 if (offchannel && 826 !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) && 827 !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) 828 goto drop; 829 830 /* 831 * bufferable MMPDUs or MMPDUs on STA interfaces come via TXQs 832 * so we treat the others as broadcast 833 */ 834 if (ieee80211_is_mgmt(hdr->frame_control)) 835 sta = NULL; 836 837 /* If there is no sta, and it's not offchannel - send through AP */ 838 if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION && 839 !offchannel) { 840 struct iwl_mvm_vif *mvmvif = 841 iwl_mvm_vif_from_mac80211(info->control.vif); 842 u8 ap_sta_id = READ_ONCE(mvmvif->deflink.ap_sta_id); 843 844 if (ap_sta_id < mvm->fw->ucode_capa.num_stations) { 845 /* mac80211 holds rcu read lock */ 846 sta = rcu_dereference(mvm->fw_id_to_mac_id[ap_sta_id]); 847 if (IS_ERR_OR_NULL(sta)) 848 goto drop; 849 } 850 } 851 852 if (tmp_sta && !sta && link_id != IEEE80211_LINK_UNSPECIFIED && 853 !ieee80211_is_probe_resp(hdr->frame_control)) { 854 /* translate MLD addresses to LINK addresses */ 855 struct ieee80211_link_sta *link_sta = 856 rcu_dereference(tmp_sta->link[link_id]); 857 struct ieee80211_bss_conf *link_conf = 858 rcu_dereference(info->control.vif->link_conf[link_id]); 859 struct ieee80211_mgmt *mgmt; 860 861 if (WARN_ON(!link_sta || !link_conf)) 862 goto drop; 863 864 /* if sta is NULL, the frame is a management frame */ 865 mgmt = (void *)hdr; 866 memcpy(mgmt->da, link_sta->addr, ETH_ALEN); 867 memcpy(mgmt->sa, link_conf->addr, ETH_ALEN); 868 memcpy(mgmt->bssid, link_conf->bssid, ETH_ALEN); 869 } 870 871 iwl_mvm_tx_skb(mvm, skb, sta); 872 return; 873 drop: 874 ieee80211_free_txskb(hw, skb); 875 } 876 877 void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq) 878 { 879 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 880 struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 881 struct sk_buff *skb = NULL; 882 883 /* 884 * No need for threads to be pending here, they can leave the first 885 * taker all the work. 886 * 887 * mvmtxq->tx_request logic: 888 * 889 * If 0, no one is currently TXing, set to 1 to indicate current thread 890 * will now start TX and other threads should quit. 891 * 892 * If 1, another thread is currently TXing, set to 2 to indicate to 893 * that thread that there was another request. Since that request may 894 * have raced with the check whether the queue is empty, the TXing 895 * thread should check the queue's status one more time before leaving. 896 * This check is done in order to not leave any TX hanging in the queue 897 * until the next TX invocation (which may not even happen). 898 * 899 * If 2, another thread is currently TXing, and it will already double 900 * check the queue, so do nothing. 901 */ 902 if (atomic_fetch_add_unless(&mvmtxq->tx_request, 1, 2)) 903 return; 904 905 rcu_read_lock(); 906 do { 907 while (likely(!test_bit(IWL_MVM_TXQ_STATE_STOP_FULL, 908 &mvmtxq->state) && 909 !test_bit(IWL_MVM_TXQ_STATE_STOP_REDIRECT, 910 &mvmtxq->state) && 911 !test_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, 912 &mvmtxq->state) && 913 !test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))) { 914 skb = ieee80211_tx_dequeue(hw, txq); 915 916 if (!skb) { 917 if (txq->sta) 918 IWL_DEBUG_TX(mvm, 919 "TXQ of sta %pM tid %d is now empty\n", 920 txq->sta->addr, 921 txq->tid); 922 break; 923 } 924 925 iwl_mvm_tx_skb(mvm, skb, txq->sta); 926 } 927 } while (atomic_dec_return(&mvmtxq->tx_request)); 928 rcu_read_unlock(); 929 } 930 931 void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw, 932 struct ieee80211_txq *txq) 933 { 934 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 935 struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 936 937 if (likely(test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) || 938 !txq->sta) { 939 iwl_mvm_mac_itxq_xmit(hw, txq); 940 return; 941 } 942 943 /* iwl_mvm_mac_itxq_xmit() will later be called by the worker 944 * to handle any packets we leave on the txq now 945 */ 946 947 spin_lock_bh(&mvm->add_stream_lock); 948 /* The list is being deleted only after the queue is fully allocated. */ 949 if (list_empty(&mvmtxq->list) && 950 /* recheck under lock */ 951 !test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) { 952 list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs); 953 schedule_work(&mvm->add_stream_wk); 954 } 955 spin_unlock_bh(&mvm->add_stream_lock); 956 } 957 958 #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ 959 do { \ 960 if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ 961 break; \ 962 iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ 963 } while (0) 964 965 static void 966 iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 967 struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, 968 enum ieee80211_ampdu_mlme_action action) 969 { 970 struct iwl_fw_dbg_trigger_tlv *trig; 971 struct iwl_fw_dbg_trigger_ba *ba_trig; 972 973 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 974 FW_DBG_TRIGGER_BA); 975 if (!trig) 976 return; 977 978 ba_trig = (void *)trig->data; 979 980 switch (action) { 981 case IEEE80211_AMPDU_TX_OPERATIONAL: { 982 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 983 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 984 985 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, 986 "TX AGG START: MAC %pM tid %d ssn %d\n", 987 sta->addr, tid, tid_data->ssn); 988 break; 989 } 990 case IEEE80211_AMPDU_TX_STOP_CONT: 991 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, 992 "TX AGG STOP: MAC %pM tid %d\n", 993 sta->addr, tid); 994 break; 995 case IEEE80211_AMPDU_RX_START: 996 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, 997 "RX AGG START: MAC %pM tid %d ssn %d\n", 998 sta->addr, tid, rx_ba_ssn); 999 break; 1000 case IEEE80211_AMPDU_RX_STOP: 1001 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, 1002 "RX AGG STOP: MAC %pM tid %d\n", 1003 sta->addr, tid); 1004 break; 1005 default: 1006 break; 1007 } 1008 } 1009 1010 int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, 1011 struct ieee80211_vif *vif, 1012 struct ieee80211_ampdu_params *params) 1013 { 1014 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1015 int ret; 1016 struct ieee80211_sta *sta = params->sta; 1017 enum ieee80211_ampdu_mlme_action action = params->action; 1018 u16 tid = params->tid; 1019 u16 *ssn = ¶ms->ssn; 1020 u16 buf_size = params->buf_size; 1021 bool amsdu = params->amsdu; 1022 u16 timeout = params->timeout; 1023 1024 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", 1025 sta->addr, tid, action); 1026 1027 if (!(mvm->nvm_data->sku_cap_11n_enable)) 1028 return -EACCES; 1029 1030 mutex_lock(&mvm->mutex); 1031 1032 switch (action) { 1033 case IEEE80211_AMPDU_RX_START: 1034 if (iwl_mvm_vif_from_mac80211(vif)->deflink.ap_sta_id == 1035 iwl_mvm_sta_from_mac80211(sta)->deflink.sta_id) { 1036 struct iwl_mvm_vif *mvmvif; 1037 u16 macid = iwl_mvm_vif_from_mac80211(vif)->id; 1038 struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid]; 1039 1040 mdata->opened_rx_ba_sessions = true; 1041 mvmvif = iwl_mvm_vif_from_mac80211(vif); 1042 cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk); 1043 } 1044 if (!iwl_enable_rx_ampdu()) { 1045 ret = -EINVAL; 1046 break; 1047 } 1048 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, 1049 timeout); 1050 break; 1051 case IEEE80211_AMPDU_RX_STOP: 1052 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, 1053 timeout); 1054 break; 1055 case IEEE80211_AMPDU_TX_START: 1056 if (!iwl_enable_tx_ampdu()) { 1057 ret = -EINVAL; 1058 break; 1059 } 1060 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); 1061 break; 1062 case IEEE80211_AMPDU_TX_STOP_CONT: 1063 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); 1064 break; 1065 case IEEE80211_AMPDU_TX_STOP_FLUSH: 1066 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1067 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); 1068 break; 1069 case IEEE80211_AMPDU_TX_OPERATIONAL: 1070 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, 1071 buf_size, amsdu); 1072 break; 1073 default: 1074 WARN_ON_ONCE(1); 1075 ret = -EINVAL; 1076 break; 1077 } 1078 1079 if (!ret) { 1080 u16 rx_ba_ssn = 0; 1081 1082 if (action == IEEE80211_AMPDU_RX_START) 1083 rx_ba_ssn = *ssn; 1084 1085 iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, 1086 rx_ba_ssn, action); 1087 } 1088 mutex_unlock(&mvm->mutex); 1089 1090 return ret; 1091 } 1092 1093 static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, 1094 struct ieee80211_vif *vif) 1095 { 1096 struct iwl_mvm *mvm = data; 1097 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1098 struct iwl_probe_resp_data *probe_data; 1099 unsigned int link_id; 1100 1101 mvmvif->uploaded = false; 1102 1103 spin_lock_bh(&mvm->time_event_lock); 1104 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); 1105 spin_unlock_bh(&mvm->time_event_lock); 1106 1107 mvmvif->bf_enabled = false; 1108 mvmvif->ba_enabled = false; 1109 mvmvif->ap_sta = NULL; 1110 1111 mvmvif->esr_active = false; 1112 vif->driver_flags &= ~IEEE80211_VIF_EML_ACTIVE; 1113 1114 for_each_mvm_vif_valid_link(mvmvif, link_id) { 1115 mvmvif->link[link_id]->ap_sta_id = IWL_MVM_INVALID_STA; 1116 mvmvif->link[link_id]->fw_link_id = IWL_MVM_FW_LINK_ID_INVALID; 1117 mvmvif->link[link_id]->phy_ctxt = NULL; 1118 mvmvif->link[link_id]->active = 0; 1119 mvmvif->link[link_id]->igtk = NULL; 1120 memset(&mvmvif->link[link_id]->bf_data, 0, 1121 sizeof(mvmvif->link[link_id]->bf_data)); 1122 } 1123 1124 probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, 1125 lockdep_is_held(&mvm->mutex)); 1126 if (probe_data) 1127 kfree_rcu(probe_data, rcu_head); 1128 RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); 1129 } 1130 1131 static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) 1132 { 1133 iwl_mvm_stop_device(mvm); 1134 1135 mvm->cur_aid = 0; 1136 1137 mvm->scan_status = 0; 1138 mvm->ps_disabled = false; 1139 mvm->rfkill_safe_init_done = false; 1140 1141 /* just in case one was running */ 1142 iwl_mvm_cleanup_roc_te(mvm); 1143 ieee80211_remain_on_channel_expired(mvm->hw); 1144 1145 iwl_mvm_ftm_restart(mvm); 1146 1147 /* 1148 * cleanup all interfaces, even inactive ones, as some might have 1149 * gone down during the HW restart 1150 */ 1151 ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); 1152 1153 mvm->p2p_device_vif = NULL; 1154 1155 iwl_mvm_reset_phy_ctxts(mvm); 1156 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); 1157 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); 1158 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); 1159 1160 ieee80211_wake_queues(mvm->hw); 1161 1162 mvm->rx_ba_sessions = 0; 1163 mvm->fwrt.dump.conf = FW_DBG_INVALID; 1164 mvm->monitor_on = false; 1165 #ifdef CONFIG_IWLWIFI_DEBUGFS 1166 mvm->beacon_inject_active = false; 1167 #endif 1168 1169 /* keep statistics ticking */ 1170 iwl_mvm_accu_radio_stats(mvm); 1171 } 1172 1173 int __iwl_mvm_mac_start(struct iwl_mvm *mvm) 1174 { 1175 int ret; 1176 1177 lockdep_assert_held(&mvm->mutex); 1178 1179 ret = iwl_mvm_mei_get_ownership(mvm); 1180 if (ret) 1181 return ret; 1182 1183 if (mvm->mei_nvm_data) { 1184 /* We got the NIC, we can now free the MEI NVM data */ 1185 kfree(mvm->mei_nvm_data); 1186 mvm->mei_nvm_data = NULL; 1187 1188 /* 1189 * We can't free the nvm_data we allocated based on the SAP 1190 * data because we registered to cfg80211 with the channels 1191 * allocated on mvm->nvm_data. Keep a pointer in temp_nvm_data 1192 * just in order to be able free it later. 1193 * NULLify nvm_data so that we will read the NVM from the 1194 * firmware this time. 1195 */ 1196 mvm->temp_nvm_data = mvm->nvm_data; 1197 mvm->nvm_data = NULL; 1198 } 1199 1200 if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { 1201 /* 1202 * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART 1203 * so later code will - from now on - see that we're doing it. 1204 */ 1205 set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1206 clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1207 /* Clean up some internal and mac80211 state on restart */ 1208 iwl_mvm_restart_cleanup(mvm); 1209 } 1210 ret = iwl_mvm_up(mvm); 1211 1212 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_POST_INIT, 1213 NULL); 1214 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_PERIODIC, 1215 NULL); 1216 1217 mvm->last_reset_or_resume_time_jiffies = jiffies; 1218 1219 if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1220 /* Something went wrong - we need to finish some cleanup 1221 * that normally iwl_mvm_mac_restart_complete() below 1222 * would do. 1223 */ 1224 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1225 } 1226 1227 return ret; 1228 } 1229 1230 int iwl_mvm_mac_start(struct ieee80211_hw *hw) 1231 { 1232 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1233 int ret; 1234 1235 mutex_lock(&mvm->mutex); 1236 1237 /* we are starting the mac not in error flow, and restart is enabled */ 1238 if (!test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status) && 1239 iwlwifi_mod_params.fw_restart) { 1240 /* 1241 * This will prevent mac80211 recovery flows to trigger during 1242 * init failures 1243 */ 1244 set_bit(IWL_MVM_STATUS_STARTING, &mvm->status); 1245 } 1246 1247 ret = __iwl_mvm_mac_start(mvm); 1248 clear_bit(IWL_MVM_STATUS_STARTING, &mvm->status); 1249 1250 mutex_unlock(&mvm->mutex); 1251 1252 iwl_mvm_mei_set_sw_rfkill_state(mvm); 1253 1254 return ret; 1255 } 1256 1257 static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) 1258 { 1259 int ret; 1260 1261 mutex_lock(&mvm->mutex); 1262 1263 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1264 1265 ret = iwl_mvm_update_quotas(mvm, true, NULL); 1266 if (ret) 1267 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", 1268 ret); 1269 1270 iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY); 1271 1272 /* 1273 * If we have TDLS peers, remove them. We don't know the last seqno/PN 1274 * of packets the FW sent out, so we must reconnect. 1275 */ 1276 iwl_mvm_teardown_tdls_peers(mvm); 1277 1278 mutex_unlock(&mvm->mutex); 1279 } 1280 1281 void iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, 1282 enum ieee80211_reconfig_type reconfig_type) 1283 { 1284 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1285 1286 switch (reconfig_type) { 1287 case IEEE80211_RECONFIG_TYPE_RESTART: 1288 iwl_mvm_restart_complete(mvm); 1289 break; 1290 case IEEE80211_RECONFIG_TYPE_SUSPEND: 1291 break; 1292 } 1293 } 1294 1295 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm) 1296 { 1297 lockdep_assert_held(&mvm->mutex); 1298 1299 iwl_mvm_ftm_initiator_smooth_stop(mvm); 1300 1301 /* firmware counters are obviously reset now, but we shouldn't 1302 * partially track so also clear the fw_reset_accu counters. 1303 */ 1304 memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); 1305 1306 /* async_handlers_wk is now blocked */ 1307 1308 if (!iwl_mvm_has_new_station_api(mvm->fw)) 1309 iwl_mvm_rm_aux_sta(mvm); 1310 1311 iwl_mvm_stop_device(mvm); 1312 1313 iwl_mvm_async_handlers_purge(mvm); 1314 /* async_handlers_list is empty and will stay empty: HW is stopped */ 1315 1316 /* 1317 * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the 1318 * hw (as restart_complete() won't be called in this case) and mac80211 1319 * won't execute the restart. 1320 * But make sure to cleanup interfaces that have gone down before/during 1321 * HW restart was requested. 1322 */ 1323 if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) || 1324 test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1325 &mvm->status)) 1326 ieee80211_iterate_interfaces(mvm->hw, 0, 1327 iwl_mvm_cleanup_iterator, mvm); 1328 1329 /* We shouldn't have any UIDs still set. Loop over all the UIDs to 1330 * make sure there's nothing left there and warn if any is found. 1331 */ 1332 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1333 int i; 1334 1335 for (i = 0; i < mvm->max_scans; i++) { 1336 if (WARN_ONCE(mvm->scan_uid_status[i], 1337 "UMAC scan UID %d status was not cleaned\n", 1338 i)) 1339 mvm->scan_uid_status[i] = 0; 1340 } 1341 } 1342 } 1343 1344 void iwl_mvm_mac_stop(struct ieee80211_hw *hw) 1345 { 1346 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1347 1348 /* Stop internal MLO scan, if running */ 1349 mutex_lock(&mvm->mutex); 1350 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_INT_MLO, false); 1351 mutex_unlock(&mvm->mutex); 1352 1353 wiphy_work_cancel(mvm->hw->wiphy, &mvm->trig_link_selection_wk); 1354 wiphy_work_flush(mvm->hw->wiphy, &mvm->async_handlers_wiphy_wk); 1355 flush_work(&mvm->async_handlers_wk); 1356 flush_work(&mvm->add_stream_wk); 1357 1358 /* 1359 * Lock and clear the firmware running bit here already, so that 1360 * new commands coming in elsewhere, e.g. from debugfs, will not 1361 * be able to proceed. This is important here because one of those 1362 * debugfs files causes the firmware dump to be triggered, and if we 1363 * don't stop debugfs accesses before canceling that it could be 1364 * retriggered after we flush it but before we've cleared the bit. 1365 */ 1366 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1367 1368 cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); 1369 cancel_delayed_work_sync(&mvm->scan_timeout_dwork); 1370 1371 /* 1372 * The work item could be running or queued if the 1373 * ROC time event stops just as we get here. 1374 */ 1375 flush_work(&mvm->roc_done_wk); 1376 1377 iwl_mvm_mei_set_sw_rfkill_state(mvm); 1378 1379 mutex_lock(&mvm->mutex); 1380 __iwl_mvm_mac_stop(mvm); 1381 mutex_unlock(&mvm->mutex); 1382 1383 /* 1384 * The worker might have been waiting for the mutex, let it run and 1385 * discover that its list is now empty. 1386 */ 1387 cancel_work_sync(&mvm->async_handlers_wk); 1388 wiphy_work_cancel(hw->wiphy, &mvm->async_handlers_wiphy_wk); 1389 } 1390 1391 struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) 1392 { 1393 u16 i; 1394 1395 lockdep_assert_held(&mvm->mutex); 1396 1397 for (i = 0; i < NUM_PHY_CTX; i++) 1398 if (!mvm->phy_ctxts[i].ref) 1399 return &mvm->phy_ctxts[i]; 1400 1401 IWL_ERR(mvm, "No available PHY context\n"); 1402 return NULL; 1403 } 1404 1405 int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1406 s16 tx_power) 1407 { 1408 u32 cmd_id = REDUCE_TX_POWER_CMD; 1409 int len; 1410 struct iwl_dev_tx_power_cmd cmd = { 1411 .common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), 1412 .common.mac_context_id = 1413 cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), 1414 .common.pwr_restriction = cpu_to_le16(8 * tx_power), 1415 }; 1416 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 1417 IWL_FW_CMD_VER_UNKNOWN); 1418 1419 if (tx_power == IWL_DEFAULT_MAX_TX_POWER) 1420 cmd.common.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); 1421 1422 if (cmd_ver == 8) 1423 len = sizeof(cmd.v8); 1424 else if (cmd_ver == 7) 1425 len = sizeof(cmd.v7); 1426 else if (cmd_ver == 6) 1427 len = sizeof(cmd.v6); 1428 else if (fw_has_api(&mvm->fw->ucode_capa, 1429 IWL_UCODE_TLV_API_REDUCE_TX_POWER)) 1430 len = sizeof(cmd.v5); 1431 else if (fw_has_capa(&mvm->fw->ucode_capa, 1432 IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 1433 len = sizeof(cmd.v4); 1434 else 1435 len = sizeof(cmd.v3); 1436 1437 /* all structs have the same common part, add it */ 1438 len += sizeof(cmd.common); 1439 1440 return iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, len, &cmd); 1441 } 1442 1443 static void iwl_mvm_post_csa_tx(void *data, struct ieee80211_sta *sta) 1444 { 1445 struct ieee80211_hw *hw = data; 1446 int i; 1447 1448 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) { 1449 struct iwl_mvm_txq *mvmtxq = 1450 iwl_mvm_txq_from_mac80211(sta->txq[i]); 1451 1452 clear_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 1453 iwl_mvm_mac_itxq_xmit(hw, sta->txq[i]); 1454 } 1455 } 1456 1457 int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, 1458 struct ieee80211_vif *vif, 1459 struct ieee80211_bss_conf *link_conf) 1460 { 1461 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1462 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1463 int ret; 1464 1465 mutex_lock(&mvm->mutex); 1466 1467 if (vif->type == NL80211_IFTYPE_STATION) { 1468 struct iwl_mvm_sta *mvmsta; 1469 unsigned int link_id = link_conf->link_id; 1470 u8 ap_sta_id = mvmvif->link[link_id]->ap_sta_id; 1471 1472 mvmvif->csa_bcn_pending = false; 1473 mvmvif->csa_blocks_tx = false; 1474 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, ap_sta_id); 1475 1476 if (WARN_ON(!mvmsta)) { 1477 ret = -EIO; 1478 goto out_unlock; 1479 } 1480 1481 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); 1482 if (mvm->mld_api_is_used) 1483 iwl_mvm_mld_mac_ctxt_changed(mvm, vif, false); 1484 else 1485 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1486 1487 if (!fw_has_capa(&mvm->fw->ucode_capa, 1488 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 1489 ret = iwl_mvm_enable_beacon_filter(mvm, vif); 1490 if (ret) 1491 goto out_unlock; 1492 1493 iwl_mvm_stop_session_protection(mvm, vif); 1494 } 1495 } else if (vif->type == NL80211_IFTYPE_AP && mvmvif->csa_blocks_tx) { 1496 struct iwl_mvm_txq *mvmtxq = 1497 iwl_mvm_txq_from_mac80211(vif->txq); 1498 1499 clear_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 1500 1501 local_bh_disable(); 1502 iwl_mvm_mac_itxq_xmit(hw, vif->txq); 1503 ieee80211_iterate_stations_atomic(hw, iwl_mvm_post_csa_tx, hw); 1504 local_bh_enable(); 1505 1506 mvmvif->csa_blocks_tx = false; 1507 } 1508 1509 mvmvif->ps_disabled = false; 1510 1511 ret = iwl_mvm_power_update_ps(mvm); 1512 1513 out_unlock: 1514 if (mvmvif->csa_failed) 1515 ret = -EIO; 1516 mutex_unlock(&mvm->mutex); 1517 1518 return ret; 1519 } 1520 1521 void iwl_mvm_abort_channel_switch(struct ieee80211_hw *hw, 1522 struct ieee80211_vif *vif, 1523 struct ieee80211_bss_conf *link_conf) 1524 { 1525 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1526 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1527 struct iwl_chan_switch_te_cmd cmd = { 1528 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 1529 mvmvif->color)), 1530 .action = cpu_to_le32(FW_CTXT_ACTION_REMOVE), 1531 }; 1532 1533 /* 1534 * In the new flow since FW is in charge of the timing, 1535 * if driver has canceled the channel switch he will receive the 1536 * CHANNEL_SWITCH_START_NOTIF notification from FW and then cancel it 1537 */ 1538 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 1539 CHANNEL_SWITCH_ERROR_NOTIF, 0)) 1540 return; 1541 1542 IWL_DEBUG_MAC80211(mvm, "Abort CSA on mac %d\n", mvmvif->id); 1543 1544 mutex_lock(&mvm->mutex); 1545 if (!fw_has_capa(&mvm->fw->ucode_capa, 1546 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 1547 iwl_mvm_remove_csa_period(mvm, vif); 1548 else 1549 WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 1550 WIDE_ID(MAC_CONF_GROUP, 1551 CHANNEL_SWITCH_TIME_EVENT_CMD), 1552 0, sizeof(cmd), &cmd)); 1553 mvmvif->csa_failed = true; 1554 mutex_unlock(&mvm->mutex); 1555 1556 /* If we're here, we can't support MLD */ 1557 iwl_mvm_post_channel_switch(hw, vif, &vif->bss_conf); 1558 } 1559 1560 void iwl_mvm_channel_switch_disconnect_wk(struct work_struct *wk) 1561 { 1562 struct iwl_mvm_vif *mvmvif; 1563 struct ieee80211_vif *vif; 1564 1565 mvmvif = container_of(wk, struct iwl_mvm_vif, csa_work.work); 1566 vif = container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1567 1568 /* Trigger disconnect (should clear the CSA state) */ 1569 ieee80211_chswitch_done(vif, false, 0); 1570 } 1571 1572 static u8 1573 iwl_mvm_chandef_get_primary_80(struct cfg80211_chan_def *chandef) 1574 { 1575 int data_start; 1576 int control_start; 1577 int bw; 1578 1579 if (chandef->width == NL80211_CHAN_WIDTH_320) 1580 bw = 320; 1581 else if (chandef->width == NL80211_CHAN_WIDTH_160) 1582 bw = 160; 1583 else 1584 return 0; 1585 1586 /* data is bw wide so the start is half the width */ 1587 data_start = chandef->center_freq1 - bw / 2; 1588 /* control is 20Mhz width */ 1589 control_start = chandef->chan->center_freq - 10; 1590 1591 return (control_start - data_start) / 80; 1592 } 1593 1594 static int iwl_mvm_alloc_bcast_mcast_sta(struct iwl_mvm *mvm, 1595 struct ieee80211_vif *vif) 1596 { 1597 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1598 int ret; 1599 1600 lockdep_assert_held(&mvm->mutex); 1601 1602 ret = iwl_mvm_alloc_bcast_sta(mvm, vif); 1603 if (ret) { 1604 IWL_ERR(mvm, "Failed to allocate bcast sta\n"); 1605 return ret; 1606 } 1607 1608 /* Only queue for this station is the mcast queue, 1609 * which shouldn't be in TFD mask anyway 1610 */ 1611 return iwl_mvm_allocate_int_sta(mvm, &mvmvif->deflink.mcast_sta, 0, 1612 vif->type, 1613 IWL_STA_MULTICAST); 1614 } 1615 1616 static void iwl_mvm_prevent_esr_done_wk(struct wiphy *wiphy, 1617 struct wiphy_work *wk) 1618 { 1619 struct iwl_mvm_vif *mvmvif = 1620 container_of(wk, struct iwl_mvm_vif, prevent_esr_done_wk.work); 1621 struct iwl_mvm *mvm = mvmvif->mvm; 1622 struct ieee80211_vif *vif = iwl_mvm_get_bss_vif(mvm); 1623 1624 mutex_lock(&mvm->mutex); 1625 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_PREVENTION); 1626 mutex_unlock(&mvm->mutex); 1627 } 1628 1629 static void iwl_mvm_mlo_int_scan_wk(struct wiphy *wiphy, struct wiphy_work *wk) 1630 { 1631 struct iwl_mvm_vif *mvmvif = container_of(wk, struct iwl_mvm_vif, 1632 mlo_int_scan_wk.work); 1633 struct ieee80211_vif *vif = 1634 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1635 1636 mutex_lock(&mvmvif->mvm->mutex); 1637 1638 iwl_mvm_int_mlo_scan(mvmvif->mvm, vif); 1639 1640 mutex_unlock(&mvmvif->mvm->mutex); 1641 } 1642 1643 static void iwl_mvm_unblock_esr_tpt(struct wiphy *wiphy, struct wiphy_work *wk) 1644 { 1645 struct iwl_mvm_vif *mvmvif = 1646 container_of(wk, struct iwl_mvm_vif, unblock_esr_tpt_wk); 1647 struct iwl_mvm *mvm = mvmvif->mvm; 1648 struct ieee80211_vif *vif = iwl_mvm_get_bss_vif(mvm); 1649 1650 mutex_lock(&mvm->mutex); 1651 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TPT); 1652 mutex_unlock(&mvm->mutex); 1653 } 1654 1655 void iwl_mvm_mac_init_mvmvif(struct iwl_mvm *mvm, struct iwl_mvm_vif *mvmvif) 1656 { 1657 lockdep_assert_held(&mvm->mutex); 1658 1659 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1660 return; 1661 1662 INIT_DELAYED_WORK(&mvmvif->csa_work, 1663 iwl_mvm_channel_switch_disconnect_wk); 1664 1665 wiphy_delayed_work_init(&mvmvif->prevent_esr_done_wk, 1666 iwl_mvm_prevent_esr_done_wk); 1667 1668 wiphy_delayed_work_init(&mvmvif->mlo_int_scan_wk, 1669 iwl_mvm_mlo_int_scan_wk); 1670 1671 wiphy_work_init(&mvmvif->unblock_esr_tpt_wk, 1672 iwl_mvm_unblock_esr_tpt); 1673 } 1674 1675 static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, 1676 struct ieee80211_vif *vif) 1677 { 1678 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1679 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1680 int ret; 1681 int i; 1682 1683 mutex_lock(&mvm->mutex); 1684 1685 iwl_mvm_mac_init_mvmvif(mvm, mvmvif); 1686 1687 mvmvif->mvm = mvm; 1688 1689 /* the first link always points to the default one */ 1690 mvmvif->deflink.fw_link_id = IWL_MVM_FW_LINK_ID_INVALID; 1691 mvmvif->deflink.active = 0; 1692 mvmvif->link[0] = &mvmvif->deflink; 1693 1694 ret = iwl_mvm_set_link_mapping(mvm, vif, &vif->bss_conf); 1695 if (ret) 1696 goto out; 1697 1698 /* 1699 * Not much to do here. The stack will not allow interface 1700 * types or combinations that we didn't advertise, so we 1701 * don't really have to check the types. 1702 */ 1703 1704 /* make sure that beacon statistics don't go backwards with FW reset */ 1705 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1706 for_each_mvm_vif_valid_link(mvmvif, i) 1707 mvmvif->link[i]->beacon_stats.accu_num_beacons += 1708 mvmvif->link[i]->beacon_stats.num_beacons; 1709 1710 /* Allocate resources for the MAC context, and add it to the fw */ 1711 ret = iwl_mvm_mac_ctxt_init(mvm, vif); 1712 if (ret) 1713 goto out; 1714 1715 rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif); 1716 1717 /* Currently not much to do for NAN */ 1718 if (vif->type == NL80211_IFTYPE_NAN) { 1719 ret = 0; 1720 goto out; 1721 } 1722 1723 /* 1724 * The AP binding flow can be done only after the beacon 1725 * template is configured (which happens only in the mac80211 1726 * start_ap() flow), and adding the broadcast station can happen 1727 * only after the binding. 1728 * In addition, since modifying the MAC before adding a bcast 1729 * station is not allowed by the FW, delay the adding of MAC context to 1730 * the point where we can also add the bcast station. 1731 * In short: there's not much we can do at this point, other than 1732 * allocating resources :) 1733 */ 1734 if (vif->type == NL80211_IFTYPE_AP || 1735 vif->type == NL80211_IFTYPE_ADHOC) { 1736 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1737 iwl_mvm_vif_dbgfs_add_link(mvm, vif); 1738 ret = 0; 1739 goto out; 1740 } 1741 1742 mvmvif->features |= hw->netdev_features; 1743 1744 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 1745 if (ret) 1746 goto out_unlock; 1747 1748 ret = iwl_mvm_power_update_mac(mvm); 1749 if (ret) 1750 goto out_remove_mac; 1751 1752 /* beacon filtering */ 1753 ret = iwl_mvm_disable_beacon_filter(mvm, vif); 1754 if (ret) 1755 goto out_remove_mac; 1756 1757 if (!mvm->bf_allowed_vif && 1758 vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { 1759 mvm->bf_allowed_vif = mvmvif; 1760 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 1761 IEEE80211_VIF_SUPPORTS_CQM_RSSI; 1762 } 1763 1764 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) 1765 mvm->p2p_device_vif = vif; 1766 1767 iwl_mvm_tcm_add_vif(mvm, vif); 1768 1769 if (vif->type == NL80211_IFTYPE_MONITOR) { 1770 mvm->monitor_on = true; 1771 mvm->monitor_p80 = 1772 iwl_mvm_chandef_get_primary_80(&vif->bss_conf.chanreq.oper); 1773 } 1774 1775 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1776 iwl_mvm_vif_dbgfs_add_link(mvm, vif); 1777 1778 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 1779 vif->type == NL80211_IFTYPE_STATION && !vif->p2p && 1780 !mvm->csme_vif && mvm->mei_registered) { 1781 iwl_mei_set_nic_info(vif->addr, mvm->nvm_data->hw_addr); 1782 iwl_mei_set_netdev(ieee80211_vif_to_wdev(vif)->netdev); 1783 mvm->csme_vif = vif; 1784 } 1785 1786 out: 1787 if (!ret && (vif->type == NL80211_IFTYPE_AP || 1788 vif->type == NL80211_IFTYPE_ADHOC)) 1789 ret = iwl_mvm_alloc_bcast_mcast_sta(mvm, vif); 1790 1791 goto out_unlock; 1792 1793 out_remove_mac: 1794 mvmvif->deflink.phy_ctxt = NULL; 1795 iwl_mvm_mac_ctxt_remove(mvm, vif); 1796 out_unlock: 1797 mutex_unlock(&mvm->mutex); 1798 1799 return ret; 1800 } 1801 1802 void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, 1803 struct ieee80211_vif *vif) 1804 { 1805 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1806 1807 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1808 /* 1809 * Flush the ROC worker which will flush the OFFCHANNEL queue. 1810 * We assume here that all the packets sent to the OFFCHANNEL 1811 * queue are sent in ROC session. 1812 */ 1813 flush_work(&mvm->roc_done_wk); 1814 } 1815 1816 wiphy_delayed_work_cancel(mvm->hw->wiphy, 1817 &mvmvif->prevent_esr_done_wk); 1818 1819 wiphy_delayed_work_cancel(mvm->hw->wiphy, 1820 &mvmvif->mlo_int_scan_wk); 1821 1822 wiphy_work_cancel(mvm->hw->wiphy, &mvmvif->unblock_esr_tpt_wk); 1823 1824 cancel_delayed_work_sync(&mvmvif->csa_work); 1825 } 1826 1827 /* This function is doing the common part of removing the interface for 1828 * both - MLD and non-MLD modes. Returns true if removing the interface 1829 * is done 1830 */ 1831 static bool iwl_mvm_mac_remove_interface_common(struct ieee80211_hw *hw, 1832 struct ieee80211_vif *vif) 1833 { 1834 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1835 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1836 struct iwl_probe_resp_data *probe_data; 1837 1838 iwl_mvm_prepare_mac_removal(mvm, vif); 1839 1840 if (!(vif->type == NL80211_IFTYPE_AP || 1841 vif->type == NL80211_IFTYPE_ADHOC)) 1842 iwl_mvm_tcm_rm_vif(mvm, vif); 1843 1844 mutex_lock(&mvm->mutex); 1845 1846 if (vif == mvm->csme_vif) { 1847 iwl_mei_set_netdev(NULL); 1848 mvm->csme_vif = NULL; 1849 } 1850 1851 probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, 1852 lockdep_is_held(&mvm->mutex)); 1853 RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); 1854 if (probe_data) 1855 kfree_rcu(probe_data, rcu_head); 1856 1857 if (mvm->bf_allowed_vif == mvmvif) { 1858 mvm->bf_allowed_vif = NULL; 1859 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1860 IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1861 } 1862 1863 if (vif->bss_conf.ftm_responder) 1864 memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats)); 1865 1866 iwl_mvm_vif_dbgfs_rm_link(mvm, vif); 1867 1868 /* 1869 * For AP/GO interface, the tear down of the resources allocated to the 1870 * interface is be handled as part of the stop_ap flow. 1871 */ 1872 if (vif->type == NL80211_IFTYPE_AP || 1873 vif->type == NL80211_IFTYPE_ADHOC) { 1874 #ifdef CONFIG_NL80211_TESTMODE 1875 if (vif == mvm->noa_vif) { 1876 mvm->noa_vif = NULL; 1877 mvm->noa_duration = 0; 1878 } 1879 #endif 1880 return true; 1881 } 1882 1883 iwl_mvm_power_update_mac(mvm); 1884 return false; 1885 } 1886 1887 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, 1888 struct ieee80211_vif *vif) 1889 { 1890 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1891 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1892 1893 if (iwl_mvm_mac_remove_interface_common(hw, vif)) 1894 goto out; 1895 1896 /* Before the interface removal, mac80211 would cancel the ROC, and the 1897 * ROC worker would be scheduled if needed. The worker would be flushed 1898 * in iwl_mvm_prepare_mac_removal() and thus at this point there is no 1899 * binding etc. so nothing needs to be done here. 1900 */ 1901 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1902 if (mvmvif->deflink.phy_ctxt) { 1903 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 1904 mvmvif->deflink.phy_ctxt = NULL; 1905 } 1906 mvm->p2p_device_vif = NULL; 1907 } 1908 1909 iwl_mvm_unset_link_mapping(mvm, vif, &vif->bss_conf); 1910 iwl_mvm_mac_ctxt_remove(mvm, vif); 1911 1912 RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL); 1913 1914 if (vif->type == NL80211_IFTYPE_MONITOR) 1915 mvm->monitor_on = false; 1916 1917 out: 1918 if (vif->type == NL80211_IFTYPE_AP || 1919 vif->type == NL80211_IFTYPE_ADHOC) { 1920 iwl_mvm_dealloc_int_sta(mvm, &mvmvif->deflink.mcast_sta); 1921 iwl_mvm_dealloc_bcast_sta(mvm, vif); 1922 } 1923 1924 mutex_unlock(&mvm->mutex); 1925 } 1926 1927 struct iwl_mvm_mc_iter_data { 1928 struct iwl_mvm *mvm; 1929 int port_id; 1930 }; 1931 1932 static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, 1933 struct ieee80211_vif *vif) 1934 { 1935 struct iwl_mvm_mc_iter_data *data = _data; 1936 struct iwl_mvm *mvm = data->mvm; 1937 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; 1938 struct iwl_host_cmd hcmd = { 1939 .id = MCAST_FILTER_CMD, 1940 .flags = CMD_ASYNC, 1941 .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 1942 }; 1943 int ret, len; 1944 1945 /* if we don't have free ports, mcast frames will be dropped */ 1946 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) 1947 return; 1948 1949 if (vif->type != NL80211_IFTYPE_STATION || 1950 !vif->cfg.assoc) 1951 return; 1952 1953 cmd->port_id = data->port_id++; 1954 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 1955 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); 1956 1957 hcmd.len[0] = len; 1958 hcmd.data[0] = cmd; 1959 1960 ret = iwl_mvm_send_cmd(mvm, &hcmd); 1961 if (ret) 1962 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); 1963 } 1964 1965 static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) 1966 { 1967 struct iwl_mvm_mc_iter_data iter_data = { 1968 .mvm = mvm, 1969 }; 1970 int ret; 1971 1972 lockdep_assert_held(&mvm->mutex); 1973 1974 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) 1975 return; 1976 1977 ieee80211_iterate_active_interfaces_atomic( 1978 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1979 iwl_mvm_mc_iface_iterator, &iter_data); 1980 1981 /* 1982 * Send a (synchronous) ech command so that we wait for the 1983 * multiple asynchronous MCAST_FILTER_CMD commands sent by 1984 * the interface iterator. Otherwise, we might get here over 1985 * and over again (by userspace just sending a lot of these) 1986 * and the CPU can send them faster than the firmware can 1987 * process them. 1988 * Note that the CPU is still faster - but with this we'll 1989 * actually send fewer commands overall because the CPU will 1990 * not schedule the work in mac80211 as frequently if it's 1991 * still running when rescheduled (possibly multiple times). 1992 */ 1993 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); 1994 if (ret) 1995 IWL_ERR(mvm, "Failed to synchronize multicast groups update\n"); 1996 } 1997 1998 u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, 1999 struct netdev_hw_addr_list *mc_list) 2000 { 2001 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2002 struct iwl_mcast_filter_cmd *cmd; 2003 struct netdev_hw_addr *addr; 2004 int addr_count; 2005 bool pass_all; 2006 int len; 2007 2008 addr_count = netdev_hw_addr_list_count(mc_list); 2009 pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || 2010 IWL_MVM_FW_MCAST_FILTER_PASS_ALL; 2011 if (pass_all) 2012 addr_count = 0; 2013 2014 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); 2015 cmd = kzalloc(len, GFP_ATOMIC); 2016 if (!cmd) 2017 return 0; 2018 2019 if (pass_all) { 2020 cmd->pass_all = 1; 2021 return (u64)(unsigned long)cmd; 2022 } 2023 2024 netdev_hw_addr_list_for_each(addr, mc_list) { 2025 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", 2026 cmd->count, addr->addr); 2027 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], 2028 addr->addr, ETH_ALEN); 2029 cmd->count++; 2030 } 2031 2032 return (u64)(unsigned long)cmd; 2033 } 2034 2035 void iwl_mvm_configure_filter(struct ieee80211_hw *hw, 2036 unsigned int changed_flags, 2037 unsigned int *total_flags, u64 multicast) 2038 { 2039 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2040 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; 2041 2042 mutex_lock(&mvm->mutex); 2043 2044 /* replace previous configuration */ 2045 kfree(mvm->mcast_filter_cmd); 2046 mvm->mcast_filter_cmd = cmd; 2047 2048 if (!cmd) 2049 goto out; 2050 2051 if (changed_flags & FIF_ALLMULTI) 2052 cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); 2053 2054 if (cmd->pass_all) 2055 cmd->count = 0; 2056 2057 iwl_mvm_recalc_multicast(mvm); 2058 out: 2059 mutex_unlock(&mvm->mutex); 2060 *total_flags = 0; 2061 } 2062 2063 static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, 2064 struct ieee80211_vif *vif, 2065 unsigned int filter_flags, 2066 unsigned int changed_flags) 2067 { 2068 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2069 2070 /* We support only filter for probe requests */ 2071 if (!(changed_flags & FIF_PROBE_REQ)) 2072 return; 2073 2074 /* Supported only for p2p client interfaces */ 2075 if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc || 2076 !vif->p2p) 2077 return; 2078 2079 mutex_lock(&mvm->mutex); 2080 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2081 mutex_unlock(&mvm->mutex); 2082 } 2083 2084 int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 2085 { 2086 struct iwl_mu_group_mgmt_cmd cmd = {}; 2087 2088 memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, 2089 WLAN_MEMBERSHIP_LEN); 2090 memcpy(cmd.user_position, vif->bss_conf.mu_group.position, 2091 WLAN_USER_POSITION_LEN); 2092 2093 return iwl_mvm_send_cmd_pdu(mvm, 2094 WIDE_ID(DATA_PATH_GROUP, 2095 UPDATE_MU_GROUPS_CMD), 2096 0, sizeof(cmd), &cmd); 2097 } 2098 2099 static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, 2100 struct ieee80211_vif *vif) 2101 { 2102 if (vif->bss_conf.mu_mimo_owner) { 2103 struct iwl_mu_group_mgmt_notif *notif = _data; 2104 2105 /* 2106 * MU-MIMO Group Id action frame is little endian. We treat 2107 * the data received from firmware as if it came from the 2108 * action frame, so no conversion is needed. 2109 */ 2110 ieee80211_update_mu_groups(vif, 0, 2111 (u8 *)¬if->membership_status, 2112 (u8 *)¬if->user_position); 2113 } 2114 } 2115 2116 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 2117 struct iwl_rx_cmd_buffer *rxb) 2118 { 2119 struct iwl_rx_packet *pkt = rxb_addr(rxb); 2120 struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; 2121 2122 ieee80211_iterate_active_interfaces_atomic( 2123 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2124 iwl_mvm_mu_mimo_iface_iterator, notif); 2125 } 2126 2127 static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit) 2128 { 2129 u8 byte_num = ppe_pos_bit / 8; 2130 u8 bit_num = ppe_pos_bit % 8; 2131 u8 residue_bits; 2132 u8 res; 2133 2134 if (bit_num <= 5) 2135 return (ppe[byte_num] >> bit_num) & 2136 (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); 2137 2138 /* 2139 * If bit_num > 5, we have to combine bits with next byte. 2140 * Calculate how many bits we need to take from current byte (called 2141 * here "residue_bits"), and add them to bits from next byte. 2142 */ 2143 2144 residue_bits = 8 - bit_num; 2145 2146 res = (ppe[byte_num + 1] & 2147 (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) << 2148 residue_bits; 2149 res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); 2150 2151 return res; 2152 } 2153 2154 static void iwl_mvm_parse_ppe(struct iwl_mvm *mvm, 2155 struct iwl_he_pkt_ext_v2 *pkt_ext, u8 nss, 2156 u8 ru_index_bitmap, u8 *ppe, u8 ppe_pos_bit, 2157 bool inheritance) 2158 { 2159 int i; 2160 2161 /* 2162 * FW currently supports only nss == MAX_HE_SUPP_NSS 2163 * 2164 * If nss > MAX: we can ignore values we don't support 2165 * If nss < MAX: we can set zeros in other streams 2166 */ 2167 if (nss > MAX_HE_SUPP_NSS) { 2168 IWL_DEBUG_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, 2169 MAX_HE_SUPP_NSS); 2170 nss = MAX_HE_SUPP_NSS; 2171 } 2172 2173 for (i = 0; i < nss; i++) { 2174 u8 ru_index_tmp = ru_index_bitmap << 1; 2175 u8 low_th = IWL_HE_PKT_EXT_NONE, high_th = IWL_HE_PKT_EXT_NONE; 2176 u8 bw; 2177 2178 for (bw = 0; 2179 bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2180 bw++) { 2181 ru_index_tmp >>= 1; 2182 2183 /* 2184 * According to the 11be spec, if for a specific BW the PPE Thresholds 2185 * isn't present - it should inherit the thresholds from the last 2186 * BW for which we had PPE Thresholds. In 11ax though, we don't have 2187 * this inheritance - continue in this case 2188 */ 2189 if (!(ru_index_tmp & 1)) { 2190 if (inheritance) 2191 goto set_thresholds; 2192 else 2193 continue; 2194 } 2195 2196 high_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2197 ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2198 low_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2199 ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2200 2201 set_thresholds: 2202 pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2203 pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2204 } 2205 } 2206 } 2207 2208 static void iwl_mvm_set_pkt_ext_from_he_ppe(struct iwl_mvm *mvm, 2209 struct ieee80211_link_sta *link_sta, 2210 struct iwl_he_pkt_ext_v2 *pkt_ext, 2211 bool inheritance) 2212 { 2213 u8 nss = (link_sta->he_cap.ppe_thres[0] & 2214 IEEE80211_PPE_THRES_NSS_MASK) + 1; 2215 u8 *ppe = &link_sta->he_cap.ppe_thres[0]; 2216 u8 ru_index_bitmap = 2217 u8_get_bits(*ppe, 2218 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK); 2219 /* Starting after PPE header */ 2220 u8 ppe_pos_bit = IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE; 2221 2222 iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, ppe, ppe_pos_bit, 2223 inheritance); 2224 } 2225 2226 static int 2227 iwl_mvm_set_pkt_ext_from_nominal_padding(struct iwl_he_pkt_ext_v2 *pkt_ext, 2228 u8 nominal_padding) 2229 { 2230 int low_th = -1; 2231 int high_th = -1; 2232 int i; 2233 2234 /* all the macros are the same for EHT and HE */ 2235 switch (nominal_padding) { 2236 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US: 2237 low_th = IWL_HE_PKT_EXT_NONE; 2238 high_th = IWL_HE_PKT_EXT_NONE; 2239 break; 2240 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US: 2241 low_th = IWL_HE_PKT_EXT_BPSK; 2242 high_th = IWL_HE_PKT_EXT_NONE; 2243 break; 2244 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US: 2245 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US: 2246 low_th = IWL_HE_PKT_EXT_NONE; 2247 high_th = IWL_HE_PKT_EXT_BPSK; 2248 break; 2249 } 2250 2251 if (low_th < 0 || high_th < 0) 2252 return -EINVAL; 2253 2254 /* Set the PPE thresholds accordingly */ 2255 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2256 u8 bw; 2257 2258 for (bw = 0; 2259 bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2260 bw++) { 2261 pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2262 pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2263 } 2264 } 2265 2266 return 0; 2267 } 2268 2269 static void iwl_mvm_get_optimal_ppe_info(struct iwl_he_pkt_ext_v2 *pkt_ext, 2270 u8 nominal_padding) 2271 { 2272 int i; 2273 2274 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2275 u8 bw; 2276 2277 for (bw = 0; bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2278 bw++) { 2279 u8 *qam_th = &pkt_ext->pkt_ext_qam_th[i][bw][0]; 2280 2281 if (nominal_padding > 2282 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2283 qam_th[1] == IWL_HE_PKT_EXT_NONE) 2284 qam_th[1] = IWL_HE_PKT_EXT_4096QAM; 2285 else if (nominal_padding == 2286 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2287 qam_th[0] == IWL_HE_PKT_EXT_NONE && 2288 qam_th[1] == IWL_HE_PKT_EXT_NONE) 2289 qam_th[0] = IWL_HE_PKT_EXT_4096QAM; 2290 } 2291 } 2292 } 2293 2294 /* Set the pkt_ext field according to PPE Thresholds element */ 2295 int iwl_mvm_set_sta_pkt_ext(struct iwl_mvm *mvm, 2296 struct ieee80211_link_sta *link_sta, 2297 struct iwl_he_pkt_ext_v2 *pkt_ext) 2298 { 2299 u8 nominal_padding; 2300 int i, ret = 0; 2301 2302 if (WARN_ON(!link_sta)) 2303 return -EINVAL; 2304 2305 /* Initialize the PPE thresholds to "None" (7), as described in Table 2306 * 9-262ac of 80211.ax/D3.0. 2307 */ 2308 memset(pkt_ext, IWL_HE_PKT_EXT_NONE, 2309 sizeof(struct iwl_he_pkt_ext_v2)); 2310 2311 if (link_sta->eht_cap.has_eht) { 2312 nominal_padding = 2313 u8_get_bits(link_sta->eht_cap.eht_cap_elem.phy_cap_info[5], 2314 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK); 2315 2316 /* If PPE Thresholds exists, parse them into a FW-familiar 2317 * format. 2318 */ 2319 if (link_sta->eht_cap.eht_cap_elem.phy_cap_info[5] & 2320 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) { 2321 u8 nss = (link_sta->eht_cap.eht_ppe_thres[0] & 2322 IEEE80211_EHT_PPE_THRES_NSS_MASK) + 1; 2323 u8 *ppe = &link_sta->eht_cap.eht_ppe_thres[0]; 2324 u8 ru_index_bitmap = 2325 u16_get_bits(*ppe, 2326 IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK); 2327 /* Starting after PPE header */ 2328 u8 ppe_pos_bit = IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE; 2329 2330 iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, 2331 ppe, ppe_pos_bit, true); 2332 /* EHT PPE Thresholds doesn't exist - set the API according to 2333 * HE PPE Tresholds 2334 */ 2335 } else if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 2336 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2337 /* Even though HE Capabilities IE doesn't contain PPE 2338 * Thresholds for BW 320Mhz, thresholds for this BW will 2339 * be filled in with the same values as 160Mhz, due to 2340 * the inheritance, as required. 2341 */ 2342 iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 2343 true); 2344 2345 /* According to the requirements, for MCSs 12-13 the 2346 * maximum value between HE PPE Threshold and Common 2347 * Nominal Packet Padding needs to be taken 2348 */ 2349 iwl_mvm_get_optimal_ppe_info(pkt_ext, nominal_padding); 2350 2351 /* if PPE Thresholds doesn't present in both EHT IE and HE IE - 2352 * take the Thresholds from Common Nominal Packet Padding field 2353 */ 2354 } else { 2355 ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 2356 nominal_padding); 2357 } 2358 } else if (link_sta->he_cap.has_he) { 2359 /* If PPE Thresholds exist, parse them into a FW-familiar format. */ 2360 if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 2361 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2362 iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 2363 false); 2364 /* PPE Thresholds doesn't exist - set the API PPE values 2365 * according to Common Nominal Packet Padding field. 2366 */ 2367 } else { 2368 nominal_padding = 2369 u8_get_bits(link_sta->he_cap.he_cap_elem.phy_cap_info[9], 2370 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); 2371 if (nominal_padding != IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED) 2372 ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 2373 nominal_padding); 2374 } 2375 } 2376 2377 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2378 int bw; 2379 2380 for (bw = 0; 2381 bw < ARRAY_SIZE(*pkt_ext->pkt_ext_qam_th[i]); 2382 bw++) { 2383 u8 *qam_th = 2384 &pkt_ext->pkt_ext_qam_th[i][bw][0]; 2385 2386 IWL_DEBUG_HT(mvm, 2387 "PPE table: nss[%d] bw[%d] PPET8 = %d, PPET16 = %d\n", 2388 i, bw, qam_th[0], qam_th[1]); 2389 } 2390 } 2391 return ret; 2392 } 2393 2394 /* 2395 * This function sets the MU EDCA parameters ans returns whether MU EDCA 2396 * is enabled or not 2397 */ 2398 bool iwl_mvm_set_fw_mu_edca_params(struct iwl_mvm *mvm, 2399 const struct iwl_mvm_vif_link_info *link_info, 2400 struct iwl_he_backoff_conf *trig_based_txf) 2401 { 2402 int i; 2403 /* Mark MU EDCA as enabled, unless none detected on some AC */ 2404 bool mu_edca_enabled = true; 2405 2406 for (i = 0; i < IEEE80211_NUM_ACS; i++) { 2407 const struct ieee80211_he_mu_edca_param_ac_rec *mu_edca = 2408 &link_info->queue_params[i].mu_edca_param_rec; 2409 u8 ac = iwl_mvm_mac80211_ac_to_ucode_ac(i); 2410 2411 if (!link_info->queue_params[i].mu_edca) { 2412 mu_edca_enabled = false; 2413 break; 2414 } 2415 2416 trig_based_txf[ac].cwmin = 2417 cpu_to_le16(mu_edca->ecw_min_max & 0xf); 2418 trig_based_txf[ac].cwmax = 2419 cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4); 2420 trig_based_txf[ac].aifsn = 2421 cpu_to_le16(mu_edca->aifsn & 0xf); 2422 trig_based_txf[ac].mu_time = 2423 cpu_to_le16(mu_edca->mu_edca_timer); 2424 } 2425 2426 return mu_edca_enabled; 2427 } 2428 2429 bool iwl_mvm_is_nic_ack_enabled(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 2430 { 2431 const struct ieee80211_supported_band *sband; 2432 const struct ieee80211_sta_he_cap *own_he_cap = NULL; 2433 2434 /* This capability is the same for all bands, 2435 * so take it from one of them. 2436 */ 2437 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 2438 own_he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 2439 2440 return (own_he_cap && (own_he_cap->he_cap_elem.mac_cap_info[2] & 2441 IEEE80211_HE_MAC_CAP2_ACK_EN)); 2442 } 2443 2444 __le32 iwl_mvm_get_sta_htc_flags(struct ieee80211_sta *sta, 2445 struct ieee80211_link_sta *link_sta) 2446 { 2447 u8 *mac_cap_info = 2448 &link_sta->he_cap.he_cap_elem.mac_cap_info[0]; 2449 __le32 htc_flags = 0; 2450 2451 if (mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) 2452 htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); 2453 if ((mac_cap_info[1] & IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || 2454 (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { 2455 u8 link_adap = 2456 ((mac_cap_info[2] & 2457 IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) + 2458 (mac_cap_info[1] & 2459 IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); 2460 2461 if (link_adap == 2) 2462 htc_flags |= 2463 cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); 2464 else if (link_adap == 3) 2465 htc_flags |= cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); 2466 } 2467 if (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) 2468 htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); 2469 if (mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL) 2470 htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); 2471 if (mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) 2472 htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); 2473 2474 return htc_flags; 2475 } 2476 2477 static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, 2478 struct ieee80211_vif *vif, u8 sta_id) 2479 { 2480 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2481 struct iwl_he_sta_context_cmd_v3 sta_ctxt_cmd = { 2482 .sta_id = sta_id, 2483 .tid_limit = IWL_MAX_TID_COUNT, 2484 .bss_color = vif->bss_conf.he_bss_color.color, 2485 .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, 2486 .frame_time_rts_th = 2487 cpu_to_le16(vif->bss_conf.frame_time_rts_th), 2488 }; 2489 struct iwl_he_sta_context_cmd_v2 sta_ctxt_cmd_v2 = {}; 2490 u32 cmd_id = WIDE_ID(DATA_PATH_GROUP, STA_HE_CTXT_CMD); 2491 u8 ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 2); 2492 int size; 2493 struct ieee80211_sta *sta; 2494 u32 flags; 2495 int i; 2496 void *cmd; 2497 2498 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_MBSSID_HE)) 2499 ver = 1; 2500 2501 switch (ver) { 2502 case 1: 2503 /* same layout as v2 except some data at the end */ 2504 cmd = &sta_ctxt_cmd_v2; 2505 size = sizeof(struct iwl_he_sta_context_cmd_v1); 2506 break; 2507 case 2: 2508 cmd = &sta_ctxt_cmd_v2; 2509 size = sizeof(struct iwl_he_sta_context_cmd_v2); 2510 break; 2511 case 3: 2512 cmd = &sta_ctxt_cmd; 2513 size = sizeof(struct iwl_he_sta_context_cmd_v3); 2514 break; 2515 default: 2516 IWL_ERR(mvm, "bad STA_HE_CTXT_CMD version %d\n", ver); 2517 return; 2518 } 2519 2520 rcu_read_lock(); 2521 2522 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); 2523 if (IS_ERR_OR_NULL(sta)) { 2524 rcu_read_unlock(); 2525 WARN(1, "Can't find STA to configure HE\n"); 2526 return; 2527 } 2528 2529 if (!sta->deflink.he_cap.has_he) { 2530 rcu_read_unlock(); 2531 return; 2532 } 2533 2534 flags = 0; 2535 2536 /* Block 26-tone RU OFDMA transmissions */ 2537 if (mvmvif->deflink.he_ru_2mhz_block) 2538 flags |= STA_CTXT_HE_RU_2MHZ_BLOCK; 2539 2540 /* HTC flags */ 2541 sta_ctxt_cmd.htc_flags = iwl_mvm_get_sta_htc_flags(sta, &sta->deflink); 2542 2543 /* PPE Thresholds */ 2544 if (!iwl_mvm_set_sta_pkt_ext(mvm, &sta->deflink, &sta_ctxt_cmd.pkt_ext)) 2545 flags |= STA_CTXT_HE_PACKET_EXT; 2546 2547 if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 2548 IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP) 2549 flags |= STA_CTXT_HE_32BIT_BA_BITMAP; 2550 2551 if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 2552 IEEE80211_HE_MAC_CAP2_ACK_EN) 2553 flags |= STA_CTXT_HE_ACK_ENABLED; 2554 2555 rcu_read_unlock(); 2556 2557 if (iwl_mvm_set_fw_mu_edca_params(mvm, &mvmvif->deflink, 2558 &sta_ctxt_cmd.trig_based_txf[0])) 2559 flags |= STA_CTXT_HE_MU_EDCA_CW; 2560 2561 if (vif->bss_conf.uora_exists) { 2562 flags |= STA_CTXT_HE_TRIG_RND_ALLOC; 2563 2564 sta_ctxt_cmd.rand_alloc_ecwmin = 2565 vif->bss_conf.uora_ocw_range & 0x7; 2566 sta_ctxt_cmd.rand_alloc_ecwmax = 2567 (vif->bss_conf.uora_ocw_range >> 3) & 0x7; 2568 } 2569 2570 if (!iwl_mvm_is_nic_ack_enabled(mvm, vif)) 2571 flags |= STA_CTXT_HE_NIC_NOT_ACK_ENABLED; 2572 2573 if (vif->bss_conf.nontransmitted) { 2574 flags |= STA_CTXT_HE_REF_BSSID_VALID; 2575 ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr, 2576 vif->bss_conf.transmitter_bssid); 2577 sta_ctxt_cmd.max_bssid_indicator = 2578 vif->bss_conf.bssid_indicator; 2579 sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index; 2580 sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap; 2581 sta_ctxt_cmd.profile_periodicity = 2582 vif->bss_conf.profile_periodicity; 2583 } 2584 2585 sta_ctxt_cmd.flags = cpu_to_le32(flags); 2586 2587 if (ver < 3) { 2588 /* fields before pkt_ext */ 2589 BUILD_BUG_ON(offsetof(typeof(sta_ctxt_cmd), pkt_ext) != 2590 offsetof(typeof(sta_ctxt_cmd_v2), pkt_ext)); 2591 memcpy(&sta_ctxt_cmd_v2, &sta_ctxt_cmd, 2592 offsetof(typeof(sta_ctxt_cmd), pkt_ext)); 2593 2594 /* pkt_ext */ 2595 for (i = 0; 2596 i < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th); 2597 i++) { 2598 u8 bw; 2599 2600 for (bw = 0; 2601 bw < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i]); 2602 bw++) { 2603 BUILD_BUG_ON(sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw]) != 2604 sizeof(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw])); 2605 2606 memcpy(&sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw], 2607 &sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw], 2608 sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw])); 2609 } 2610 } 2611 2612 /* fields after pkt_ext */ 2613 BUILD_BUG_ON(sizeof(sta_ctxt_cmd) - 2614 offsetofend(typeof(sta_ctxt_cmd), pkt_ext) != 2615 sizeof(sta_ctxt_cmd_v2) - 2616 offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext)); 2617 memcpy((u8 *)&sta_ctxt_cmd_v2 + 2618 offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext), 2619 (u8 *)&sta_ctxt_cmd + 2620 offsetofend(typeof(sta_ctxt_cmd), pkt_ext), 2621 sizeof(sta_ctxt_cmd) - 2622 offsetofend(typeof(sta_ctxt_cmd), pkt_ext)); 2623 sta_ctxt_cmd_v2.reserved3 = 0; 2624 } 2625 2626 if (iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, size, cmd)) 2627 IWL_ERR(mvm, "Failed to config FW to work HE!\n"); 2628 } 2629 2630 void iwl_mvm_protect_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2631 u32 duration_override, unsigned int link_id) 2632 { 2633 u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; 2634 u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; 2635 2636 if (duration_override > duration) 2637 duration = duration_override; 2638 2639 /* Try really hard to protect the session and hear a beacon 2640 * The new session protection command allows us to protect the 2641 * session for a much longer time since the firmware will internally 2642 * create two events: a 300TU one with a very high priority that 2643 * won't be fragmented which should be enough for 99% of the cases, 2644 * and another one (which we configure here to be 900TU long) which 2645 * will have a slightly lower priority, but more importantly, can be 2646 * fragmented so that it'll allow other activities to run. 2647 */ 2648 if (fw_has_capa(&mvm->fw->ucode_capa, 2649 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) 2650 iwl_mvm_schedule_session_protection(mvm, vif, 900, 2651 min_duration, false, 2652 link_id); 2653 else 2654 iwl_mvm_protect_session(mvm, vif, duration, 2655 min_duration, 500, false); 2656 } 2657 2658 /* Handle association common part to MLD and non-MLD modes */ 2659 void iwl_mvm_bss_info_changed_station_assoc(struct iwl_mvm *mvm, 2660 struct ieee80211_vif *vif, 2661 u64 changes) 2662 { 2663 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2664 int ret; 2665 int link_id; 2666 2667 /* The firmware tracks the MU-MIMO group on its own. 2668 * However, on HW restart we should restore this data. 2669 */ 2670 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2671 (changes & BSS_CHANGED_MU_GROUPS) && vif->bss_conf.mu_mimo_owner) { 2672 ret = iwl_mvm_update_mu_groups(mvm, vif); 2673 if (ret) 2674 IWL_ERR(mvm, 2675 "failed to update VHT MU_MIMO groups\n"); 2676 } 2677 2678 iwl_mvm_recalc_multicast(mvm); 2679 2680 /* reset rssi values */ 2681 for_each_mvm_vif_valid_link(mvmvif, link_id) 2682 mvmvif->link[link_id]->bf_data.ave_beacon_signal = 0; 2683 2684 iwl_mvm_bt_coex_vif_change(mvm); 2685 iwl_mvm_update_smps_on_active_links(mvm, vif, IWL_MVM_SMPS_REQ_TT, 2686 IEEE80211_SMPS_AUTOMATIC); 2687 if (fw_has_capa(&mvm->fw->ucode_capa, 2688 IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 2689 iwl_mvm_config_scan(mvm); 2690 } 2691 2692 /* Execute the common part for MLD and non-MLD modes */ 2693 void 2694 iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm, 2695 struct ieee80211_vif *vif, 2696 struct ieee80211_bss_conf *link_conf, 2697 u64 changes) 2698 { 2699 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2700 int ret; 2701 2702 if (changes & BSS_CHANGED_BEACON_INFO) { 2703 /* We received a beacon from the associated AP so 2704 * remove the session protection. 2705 */ 2706 iwl_mvm_stop_session_protection(mvm, vif); 2707 2708 iwl_mvm_sf_update(mvm, vif, false); 2709 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif)); 2710 } 2711 2712 if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | 2713 /* Send power command on every beacon change, 2714 * because we may have not enabled beacon abort yet. 2715 */ 2716 BSS_CHANGED_BEACON_INFO)) { 2717 ret = iwl_mvm_power_update_mac(mvm); 2718 if (ret) 2719 IWL_ERR(mvm, "failed to update power mode\n"); 2720 } 2721 2722 if (changes & BSS_CHANGED_CQM) { 2723 struct iwl_mvm_vif_link_info *link_info = 2724 mvmvif->link[link_conf->link_id]; 2725 2726 IWL_DEBUG_MAC80211(mvm, "CQM info_changed\n"); 2727 if (link_info) 2728 link_info->bf_data.last_cqm_event = 0; 2729 2730 if (mvmvif->bf_enabled) { 2731 /* FIXME: need to update per link when FW API will 2732 * support it 2733 */ 2734 ret = iwl_mvm_enable_beacon_filter(mvm, vif); 2735 if (ret) 2736 IWL_ERR(mvm, 2737 "failed to update CQM thresholds\n"); 2738 } 2739 } 2740 2741 if (changes & BSS_CHANGED_BANDWIDTH) 2742 iwl_mvm_update_link_smps(vif, link_conf); 2743 } 2744 2745 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 2746 struct ieee80211_vif *vif, 2747 struct ieee80211_bss_conf *bss_conf, 2748 u64 changes) 2749 { 2750 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2751 int ret; 2752 int i; 2753 2754 /* 2755 * Re-calculate the tsf id, as the leader-follower relations depend 2756 * on the beacon interval, which was not known when the station 2757 * interface was added. 2758 */ 2759 if (changes & BSS_CHANGED_ASSOC && vif->cfg.assoc) { 2760 if ((vif->bss_conf.he_support && 2761 !iwlwifi_mod_params.disable_11ax)) 2762 iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 2763 2764 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2765 } 2766 2767 /* Update MU EDCA params */ 2768 if (changes & BSS_CHANGED_QOS && mvmvif->associated && 2769 vif->cfg.assoc && 2770 (vif->bss_conf.he_support && !iwlwifi_mod_params.disable_11ax)) 2771 iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 2772 2773 /* 2774 * If we're not associated yet, take the (new) BSSID before associating 2775 * so the firmware knows. If we're already associated, then use the old 2776 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC 2777 * branch for disassociation below. 2778 */ 2779 if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) 2780 memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2781 2782 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->deflink.bssid); 2783 if (ret) 2784 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2785 2786 /* after sending it once, adopt mac80211 data */ 2787 memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2788 mvmvif->associated = vif->cfg.assoc; 2789 2790 if (changes & BSS_CHANGED_ASSOC) { 2791 if (vif->cfg.assoc) { 2792 /* clear statistics to get clean beacon counter */ 2793 iwl_mvm_request_statistics(mvm, true); 2794 for_each_mvm_vif_valid_link(mvmvif, i) 2795 memset(&mvmvif->link[i]->beacon_stats, 0, 2796 sizeof(mvmvif->link[i]->beacon_stats)); 2797 2798 /* add quota for this interface */ 2799 ret = iwl_mvm_update_quotas(mvm, true, NULL); 2800 if (ret) { 2801 IWL_ERR(mvm, "failed to update quotas\n"); 2802 return; 2803 } 2804 2805 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2806 &mvm->status) && 2807 !fw_has_capa(&mvm->fw->ucode_capa, 2808 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) { 2809 /* 2810 * If we're restarting then the firmware will 2811 * obviously have lost synchronisation with 2812 * the AP. It will attempt to synchronise by 2813 * itself, but we can make it more reliable by 2814 * scheduling a session protection time event. 2815 * 2816 * The firmware needs to receive a beacon to 2817 * catch up with synchronisation, use 110% of 2818 * the beacon interval. 2819 * 2820 * Set a large maximum delay to allow for more 2821 * than a single interface. 2822 * 2823 * For new firmware versions, rely on the 2824 * firmware. This is relevant for DCM scenarios 2825 * only anyway. 2826 */ 2827 u32 dur = (11 * vif->bss_conf.beacon_int) / 10; 2828 iwl_mvm_protect_session(mvm, vif, dur, dur, 2829 5 * dur, false); 2830 } else if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2831 &mvm->status) && 2832 !vif->bss_conf.dtim_period) { 2833 /* 2834 * If we're not restarting and still haven't 2835 * heard a beacon (dtim period unknown) then 2836 * make sure we still have enough minimum time 2837 * remaining in the time event, since the auth 2838 * might actually have taken quite a while 2839 * (especially for SAE) and so the remaining 2840 * time could be small without us having heard 2841 * a beacon yet. 2842 */ 2843 iwl_mvm_protect_assoc(mvm, vif, 0, 0); 2844 } 2845 2846 iwl_mvm_sf_update(mvm, vif, false); 2847 iwl_mvm_power_vif_assoc(mvm, vif); 2848 if (vif->p2p) { 2849 iwl_mvm_update_smps(mvm, vif, 2850 IWL_MVM_SMPS_REQ_PROT, 2851 IEEE80211_SMPS_DYNAMIC, 0); 2852 } 2853 } else if (mvmvif->deflink.ap_sta_id != IWL_MVM_INVALID_STA) { 2854 iwl_mvm_mei_host_disassociated(mvm); 2855 /* 2856 * If update fails - SF might be running in associated 2857 * mode while disassociated - which is forbidden. 2858 */ 2859 ret = iwl_mvm_sf_update(mvm, vif, false); 2860 WARN_ONCE(ret && 2861 !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 2862 &mvm->status), 2863 "Failed to update SF upon disassociation\n"); 2864 2865 /* 2866 * If we get an assert during the connection (after the 2867 * station has been added, but before the vif is set 2868 * to associated), mac80211 will re-add the station and 2869 * then configure the vif. Since the vif is not 2870 * associated, we would remove the station here and 2871 * this would fail the recovery. 2872 */ 2873 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2874 &mvm->status)) { 2875 /* first remove remaining keys */ 2876 iwl_mvm_sec_key_remove_ap(mvm, vif, 2877 &mvmvif->deflink, 0); 2878 2879 /* 2880 * Remove AP station now that 2881 * the MAC is unassoc 2882 */ 2883 ret = iwl_mvm_rm_sta_id(mvm, vif, 2884 mvmvif->deflink.ap_sta_id); 2885 if (ret) 2886 IWL_ERR(mvm, 2887 "failed to remove AP station\n"); 2888 2889 mvmvif->deflink.ap_sta_id = IWL_MVM_INVALID_STA; 2890 } 2891 2892 /* remove quota for this interface */ 2893 ret = iwl_mvm_update_quotas(mvm, false, NULL); 2894 if (ret) 2895 IWL_ERR(mvm, "failed to update quotas\n"); 2896 2897 /* this will take the cleared BSSID from bss_conf */ 2898 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2899 if (ret) 2900 IWL_ERR(mvm, 2901 "failed to update MAC %pM (clear after unassoc)\n", 2902 vif->addr); 2903 } 2904 2905 iwl_mvm_bss_info_changed_station_assoc(mvm, vif, changes); 2906 } 2907 2908 iwl_mvm_bss_info_changed_station_common(mvm, vif, &vif->bss_conf, 2909 changes); 2910 } 2911 2912 bool iwl_mvm_start_ap_ibss_common(struct ieee80211_hw *hw, 2913 struct ieee80211_vif *vif, 2914 int *ret) 2915 { 2916 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2917 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2918 int i; 2919 2920 lockdep_assert_held(&mvm->mutex); 2921 2922 mvmvif->ap_assoc_sta_count = 0; 2923 2924 /* must be set before quota calculations */ 2925 mvmvif->ap_ibss_active = true; 2926 2927 /* send all the early keys to the device now */ 2928 for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 2929 struct ieee80211_key_conf *key = mvmvif->ap_early_keys[i]; 2930 2931 if (!key) 2932 continue; 2933 2934 mvmvif->ap_early_keys[i] = NULL; 2935 2936 *ret = __iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key); 2937 if (*ret) 2938 return true; 2939 } 2940 2941 if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 2942 iwl_mvm_vif_set_low_latency(mvmvif, true, 2943 LOW_LATENCY_VIF_TYPE); 2944 iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); 2945 } 2946 2947 /* power updated needs to be done before quotas */ 2948 iwl_mvm_power_update_mac(mvm); 2949 2950 return false; 2951 } 2952 2953 static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, 2954 struct ieee80211_vif *vif, 2955 struct ieee80211_bss_conf *link_conf) 2956 { 2957 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2958 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2959 int ret; 2960 2961 mutex_lock(&mvm->mutex); 2962 2963 /* 2964 * Re-calculate the tsf id, as the leader-follower relations depend on 2965 * the beacon interval, which was not known when the AP interface 2966 * was added. 2967 */ 2968 if (vif->type == NL80211_IFTYPE_AP) 2969 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2970 2971 /* For older devices need to send beacon template before adding mac 2972 * context. For the newer, the beacon is a resource that belongs to a 2973 * MAC, so need to send beacon template after adding the mac. 2974 */ 2975 if (mvm->trans->trans_cfg->device_family > IWL_DEVICE_FAMILY_22000) { 2976 /* Add the mac context */ 2977 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 2978 if (ret) 2979 goto out_unlock; 2980 2981 /* Send the beacon template */ 2982 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 2983 if (ret) 2984 goto out_unlock; 2985 } else { 2986 /* Send the beacon template */ 2987 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 2988 if (ret) 2989 goto out_unlock; 2990 2991 /* Add the mac context */ 2992 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 2993 if (ret) 2994 goto out_unlock; 2995 } 2996 2997 /* Perform the binding */ 2998 ret = iwl_mvm_binding_add_vif(mvm, vif); 2999 if (ret) 3000 goto out_remove; 3001 3002 /* 3003 * This is not very nice, but the simplest: 3004 * For older FWs adding the mcast sta before the bcast station may 3005 * cause assert 0x2b00. 3006 * This is fixed in later FW so make the order of removal depend on 3007 * the TLV 3008 */ 3009 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { 3010 ret = iwl_mvm_add_mcast_sta(mvm, vif); 3011 if (ret) 3012 goto out_unbind; 3013 /* 3014 * Send the bcast station. At this stage the TBTT and DTIM time 3015 * events are added and applied to the scheduler 3016 */ 3017 ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 3018 if (ret) { 3019 iwl_mvm_rm_mcast_sta(mvm, vif); 3020 goto out_unbind; 3021 } 3022 } else { 3023 /* 3024 * Send the bcast station. At this stage the TBTT and DTIM time 3025 * events are added and applied to the scheduler 3026 */ 3027 ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 3028 if (ret) 3029 goto out_unbind; 3030 ret = iwl_mvm_add_mcast_sta(mvm, vif); 3031 if (ret) { 3032 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3033 goto out_unbind; 3034 } 3035 } 3036 3037 if (iwl_mvm_start_ap_ibss_common(hw, vif, &ret)) 3038 goto out_failed; 3039 3040 ret = iwl_mvm_update_quotas(mvm, false, NULL); 3041 if (ret) 3042 goto out_failed; 3043 3044 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 3045 if (vif->p2p && mvm->p2p_device_vif) 3046 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 3047 3048 iwl_mvm_bt_coex_vif_change(mvm); 3049 3050 /* we don't support TDLS during DCM */ 3051 if (iwl_mvm_phy_ctx_count(mvm) > 1) 3052 iwl_mvm_teardown_tdls_peers(mvm); 3053 3054 iwl_mvm_ftm_restart_responder(mvm, vif, &vif->bss_conf); 3055 3056 goto out_unlock; 3057 3058 out_failed: 3059 iwl_mvm_power_update_mac(mvm); 3060 mvmvif->ap_ibss_active = false; 3061 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3062 iwl_mvm_rm_mcast_sta(mvm, vif); 3063 out_unbind: 3064 iwl_mvm_binding_remove_vif(mvm, vif); 3065 out_remove: 3066 iwl_mvm_mac_ctxt_remove(mvm, vif); 3067 out_unlock: 3068 mutex_unlock(&mvm->mutex); 3069 return ret; 3070 } 3071 3072 static int iwl_mvm_start_ap(struct ieee80211_hw *hw, 3073 struct ieee80211_vif *vif, 3074 struct ieee80211_bss_conf *link_conf) 3075 { 3076 return iwl_mvm_start_ap_ibss(hw, vif, link_conf); 3077 } 3078 3079 static int iwl_mvm_start_ibss(struct ieee80211_hw *hw, 3080 struct ieee80211_vif *vif) 3081 { 3082 return iwl_mvm_start_ap_ibss(hw, vif, &vif->bss_conf); 3083 } 3084 3085 /* Common part for MLD and non-MLD ops */ 3086 void iwl_mvm_stop_ap_ibss_common(struct iwl_mvm *mvm, 3087 struct ieee80211_vif *vif) 3088 { 3089 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3090 3091 lockdep_assert_held(&mvm->mutex); 3092 3093 iwl_mvm_prepare_mac_removal(mvm, vif); 3094 3095 /* Handle AP stop while in CSA */ 3096 if (rcu_access_pointer(mvm->csa_vif) == vif) { 3097 iwl_mvm_remove_time_event(mvm, mvmvif, 3098 &mvmvif->time_event_data); 3099 RCU_INIT_POINTER(mvm->csa_vif, NULL); 3100 mvmvif->csa_countdown = false; 3101 } 3102 3103 if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { 3104 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 3105 mvm->csa_tx_block_bcn_timeout = 0; 3106 } 3107 3108 mvmvif->ap_ibss_active = false; 3109 mvm->ap_last_beacon_gp2 = 0; 3110 3111 if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 3112 iwl_mvm_vif_set_low_latency(mvmvif, false, 3113 LOW_LATENCY_VIF_TYPE); 3114 iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); 3115 } 3116 3117 iwl_mvm_bt_coex_vif_change(mvm); 3118 } 3119 3120 static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, 3121 struct ieee80211_vif *vif, 3122 struct ieee80211_bss_conf *link_conf) 3123 { 3124 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3125 3126 mutex_lock(&mvm->mutex); 3127 3128 iwl_mvm_stop_ap_ibss_common(mvm, vif); 3129 3130 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 3131 if (vif->p2p && mvm->p2p_device_vif) 3132 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 3133 3134 iwl_mvm_update_quotas(mvm, false, NULL); 3135 3136 iwl_mvm_ftm_responder_clear(mvm, vif); 3137 3138 /* 3139 * This is not very nice, but the simplest: 3140 * For older FWs removing the mcast sta before the bcast station may 3141 * cause assert 0x2b00. 3142 * This is fixed in later FW (which will stop beaconing when removing 3143 * bcast station). 3144 * So make the order of removal depend on the TLV 3145 */ 3146 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 3147 iwl_mvm_rm_mcast_sta(mvm, vif); 3148 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3149 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 3150 iwl_mvm_rm_mcast_sta(mvm, vif); 3151 iwl_mvm_binding_remove_vif(mvm, vif); 3152 3153 iwl_mvm_power_update_mac(mvm); 3154 3155 iwl_mvm_mac_ctxt_remove(mvm, vif); 3156 3157 mutex_unlock(&mvm->mutex); 3158 } 3159 3160 static void iwl_mvm_stop_ap(struct ieee80211_hw *hw, 3161 struct ieee80211_vif *vif, 3162 struct ieee80211_bss_conf *link_conf) 3163 { 3164 iwl_mvm_stop_ap_ibss(hw, vif, link_conf); 3165 } 3166 3167 static void iwl_mvm_stop_ibss(struct ieee80211_hw *hw, 3168 struct ieee80211_vif *vif) 3169 { 3170 iwl_mvm_stop_ap_ibss(hw, vif, &vif->bss_conf); 3171 } 3172 3173 static void 3174 iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, 3175 struct ieee80211_vif *vif, 3176 struct ieee80211_bss_conf *bss_conf, 3177 u64 changes) 3178 { 3179 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3180 3181 /* Changes will be applied when the AP/IBSS is started */ 3182 if (!mvmvif->ap_ibss_active) 3183 return; 3184 3185 if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | 3186 BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && 3187 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) 3188 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 3189 3190 /* Need to send a new beacon template to the FW */ 3191 if (changes & BSS_CHANGED_BEACON && 3192 iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, &vif->bss_conf)) 3193 IWL_WARN(mvm, "Failed updating beacon data\n"); 3194 3195 if (changes & BSS_CHANGED_FTM_RESPONDER) { 3196 int ret = iwl_mvm_ftm_start_responder(mvm, vif, &vif->bss_conf); 3197 3198 if (ret) 3199 IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n", 3200 ret); 3201 } 3202 3203 } 3204 3205 static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, 3206 struct ieee80211_vif *vif, 3207 struct ieee80211_bss_conf *bss_conf, 3208 u64 changes) 3209 { 3210 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3211 3212 mutex_lock(&mvm->mutex); 3213 3214 if (changes & BSS_CHANGED_IDLE && !vif->cfg.idle) 3215 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 3216 3217 switch (vif->type) { 3218 case NL80211_IFTYPE_STATION: 3219 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); 3220 break; 3221 case NL80211_IFTYPE_AP: 3222 case NL80211_IFTYPE_ADHOC: 3223 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); 3224 break; 3225 case NL80211_IFTYPE_MONITOR: 3226 if (changes & BSS_CHANGED_MU_GROUPS) 3227 iwl_mvm_update_mu_groups(mvm, vif); 3228 break; 3229 default: 3230 /* shouldn't happen */ 3231 WARN_ON_ONCE(1); 3232 } 3233 3234 if (changes & BSS_CHANGED_TXPOWER) { 3235 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d dBm\n", 3236 bss_conf->txpower); 3237 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 3238 } 3239 3240 mutex_unlock(&mvm->mutex); 3241 } 3242 3243 int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3244 struct ieee80211_scan_request *hw_req) 3245 { 3246 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3247 int ret; 3248 3249 if (hw_req->req.n_channels == 0 || 3250 hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) 3251 return -EINVAL; 3252 3253 mutex_lock(&mvm->mutex); 3254 ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); 3255 mutex_unlock(&mvm->mutex); 3256 3257 return ret; 3258 } 3259 3260 void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, 3261 struct ieee80211_vif *vif) 3262 { 3263 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3264 3265 mutex_lock(&mvm->mutex); 3266 3267 /* Due to a race condition, it's possible that mac80211 asks 3268 * us to stop a hw_scan when it's already stopped. This can 3269 * happen, for instance, if we stopped the scan ourselves, 3270 * called ieee80211_scan_completed() and the userspace called 3271 * cancel scan scan before ieee80211_scan_work() could run. 3272 * To handle that, simply return if the scan is not running. 3273 */ 3274 if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) 3275 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 3276 3277 mutex_unlock(&mvm->mutex); 3278 } 3279 3280 void 3281 iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, 3282 struct ieee80211_sta *sta, u16 tids, 3283 int num_frames, 3284 enum ieee80211_frame_release_type reason, 3285 bool more_data) 3286 { 3287 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3288 3289 /* Called when we need to transmit (a) frame(s) from mac80211 */ 3290 3291 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3292 tids, more_data, false); 3293 } 3294 3295 void 3296 iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, 3297 struct ieee80211_sta *sta, u16 tids, 3298 int num_frames, 3299 enum ieee80211_frame_release_type reason, 3300 bool more_data) 3301 { 3302 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3303 3304 /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ 3305 3306 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3307 tids, more_data, true); 3308 } 3309 3310 static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 3311 enum sta_notify_cmd cmd, 3312 struct ieee80211_sta *sta) 3313 { 3314 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3315 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 3316 unsigned long txqs = 0, tids = 0; 3317 int tid; 3318 3319 /* 3320 * If we have TVQM then we get too high queue numbers - luckily 3321 * we really shouldn't get here with that because such hardware 3322 * should have firmware supporting buffer station offload. 3323 */ 3324 if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) 3325 return; 3326 3327 spin_lock_bh(&mvmsta->lock); 3328 for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) { 3329 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 3330 3331 if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) 3332 continue; 3333 3334 __set_bit(tid_data->txq_id, &txqs); 3335 3336 if (iwl_mvm_tid_queued(mvm, tid_data) == 0) 3337 continue; 3338 3339 __set_bit(tid, &tids); 3340 } 3341 3342 switch (cmd) { 3343 case STA_NOTIFY_SLEEP: 3344 for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) 3345 ieee80211_sta_set_buffered(sta, tid, true); 3346 3347 if (txqs) 3348 iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); 3349 /* 3350 * The fw updates the STA to be asleep. Tx packets on the Tx 3351 * queues to this station will not be transmitted. The fw will 3352 * send a Tx response with TX_STATUS_FAIL_DEST_PS. 3353 */ 3354 break; 3355 case STA_NOTIFY_AWAKE: 3356 if (WARN_ON(mvmsta->deflink.sta_id == IWL_MVM_INVALID_STA)) 3357 break; 3358 3359 if (txqs) 3360 iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); 3361 iwl_mvm_sta_modify_ps_wake(mvm, sta); 3362 break; 3363 default: 3364 break; 3365 } 3366 spin_unlock_bh(&mvmsta->lock); 3367 } 3368 3369 void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3370 enum sta_notify_cmd cmd, struct ieee80211_sta *sta) 3371 { 3372 __iwl_mvm_mac_sta_notify(hw, cmd, sta); 3373 } 3374 3375 void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 3376 { 3377 struct iwl_rx_packet *pkt = rxb_addr(rxb); 3378 struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; 3379 struct ieee80211_sta *sta; 3380 struct iwl_mvm_sta *mvmsta; 3381 bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); 3382 3383 if (WARN_ON(notif->sta_id >= mvm->fw->ucode_capa.num_stations)) 3384 return; 3385 3386 rcu_read_lock(); 3387 sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); 3388 if (WARN_ON(IS_ERR_OR_NULL(sta))) { 3389 rcu_read_unlock(); 3390 return; 3391 } 3392 3393 mvmsta = iwl_mvm_sta_from_mac80211(sta); 3394 3395 if (!mvmsta->vif || 3396 mvmsta->vif->type != NL80211_IFTYPE_AP) { 3397 rcu_read_unlock(); 3398 return; 3399 } 3400 3401 if (mvmsta->sleeping != sleeping) { 3402 mvmsta->sleeping = sleeping; 3403 __iwl_mvm_mac_sta_notify(mvm->hw, 3404 sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, 3405 sta); 3406 ieee80211_sta_ps_transition(sta, sleeping); 3407 } 3408 3409 if (sleeping) { 3410 switch (notif->type) { 3411 case IWL_MVM_PM_EVENT_AWAKE: 3412 case IWL_MVM_PM_EVENT_ASLEEP: 3413 break; 3414 case IWL_MVM_PM_EVENT_UAPSD: 3415 ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); 3416 break; 3417 case IWL_MVM_PM_EVENT_PS_POLL: 3418 ieee80211_sta_pspoll(sta); 3419 break; 3420 default: 3421 break; 3422 } 3423 } 3424 3425 rcu_read_unlock(); 3426 } 3427 3428 void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, 3429 struct ieee80211_vif *vif, 3430 struct ieee80211_sta *sta) 3431 { 3432 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3433 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3434 unsigned int link_id; 3435 3436 /* 3437 * This is called before mac80211 does RCU synchronisation, 3438 * so here we already invalidate our internal RCU-protected 3439 * station pointer. The rest of the code will thus no longer 3440 * be able to find the station this way, and we don't rely 3441 * on further RCU synchronisation after the sta_state() 3442 * callback deleted the station. 3443 * Since there's mvm->mutex here, no need to have RCU lock for 3444 * mvm_sta->link access. 3445 */ 3446 mutex_lock(&mvm->mutex); 3447 for (link_id = 0; link_id < ARRAY_SIZE(mvm_sta->link); link_id++) { 3448 struct iwl_mvm_link_sta *link_sta; 3449 u32 sta_id; 3450 3451 if (!mvm_sta->link[link_id]) 3452 continue; 3453 3454 link_sta = rcu_dereference_protected(mvm_sta->link[link_id], 3455 lockdep_is_held(&mvm->mutex)); 3456 sta_id = link_sta->sta_id; 3457 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[sta_id])) { 3458 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[sta_id], 3459 ERR_PTR(-ENOENT)); 3460 RCU_INIT_POINTER(mvm->fw_id_to_link_sta[sta_id], NULL); 3461 } 3462 } 3463 mutex_unlock(&mvm->mutex); 3464 } 3465 3466 static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 3467 const u8 *bssid) 3468 { 3469 int i; 3470 3471 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 3472 struct iwl_mvm_tcm_mac *mdata; 3473 3474 mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; 3475 ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); 3476 mdata->opened_rx_ba_sessions = false; 3477 } 3478 3479 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) 3480 return; 3481 3482 if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { 3483 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3484 return; 3485 } 3486 3487 if (!vif->p2p && 3488 (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { 3489 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3490 return; 3491 } 3492 3493 for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { 3494 if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { 3495 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3496 return; 3497 } 3498 } 3499 3500 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 3501 } 3502 3503 static void 3504 iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, 3505 struct ieee80211_vif *vif, u8 *peer_addr, 3506 enum nl80211_tdls_operation action) 3507 { 3508 struct iwl_fw_dbg_trigger_tlv *trig; 3509 struct iwl_fw_dbg_trigger_tdls *tdls_trig; 3510 3511 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 3512 FW_DBG_TRIGGER_TDLS); 3513 if (!trig) 3514 return; 3515 3516 tdls_trig = (void *)trig->data; 3517 3518 if (!(tdls_trig->action_bitmap & BIT(action))) 3519 return; 3520 3521 if (tdls_trig->peer_mode && 3522 memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) 3523 return; 3524 3525 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 3526 "TDLS event occurred, peer %pM, action %d", 3527 peer_addr, action); 3528 } 3529 3530 struct iwl_mvm_he_obss_narrow_bw_ru_data { 3531 bool tolerated; 3532 }; 3533 3534 static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy, 3535 struct cfg80211_bss *bss, 3536 void *_data) 3537 { 3538 struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data; 3539 const struct cfg80211_bss_ies *ies; 3540 const struct element *elem; 3541 3542 rcu_read_lock(); 3543 ies = rcu_dereference(bss->ies); 3544 elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, ies->data, 3545 ies->len); 3546 3547 if (!elem || elem->datalen < 10 || 3548 !(elem->data[10] & 3549 WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) { 3550 data->tolerated = false; 3551 } 3552 rcu_read_unlock(); 3553 } 3554 3555 static void 3556 iwl_mvm_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw, 3557 struct ieee80211_vif *vif, 3558 unsigned int link_id, 3559 struct ieee80211_bss_conf *link_conf) 3560 { 3561 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3562 struct iwl_mvm_he_obss_narrow_bw_ru_data iter_data = { 3563 .tolerated = true, 3564 }; 3565 3566 if (WARN_ON_ONCE(!link_conf->chanreq.oper.chan || 3567 !mvmvif->link[link_id])) 3568 return; 3569 3570 if (!(link_conf->chanreq.oper.chan->flags & IEEE80211_CHAN_RADAR)) { 3571 mvmvif->link[link_id]->he_ru_2mhz_block = false; 3572 return; 3573 } 3574 3575 cfg80211_bss_iter(hw->wiphy, &link_conf->chanreq.oper, 3576 iwl_mvm_check_he_obss_narrow_bw_ru_iter, 3577 &iter_data); 3578 3579 /* 3580 * If there is at least one AP on radar channel that cannot 3581 * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU. 3582 */ 3583 mvmvif->link[link_id]->he_ru_2mhz_block = !iter_data.tolerated; 3584 } 3585 3586 static void iwl_mvm_reset_cca_40mhz_workaround(struct iwl_mvm *mvm, 3587 struct ieee80211_vif *vif) 3588 { 3589 struct ieee80211_supported_band *sband; 3590 const struct ieee80211_sta_he_cap *he_cap; 3591 3592 if (vif->type != NL80211_IFTYPE_STATION) 3593 return; 3594 3595 if (!mvm->cca_40mhz_workaround) 3596 return; 3597 3598 /* decrement and check that we reached zero */ 3599 mvm->cca_40mhz_workaround--; 3600 if (mvm->cca_40mhz_workaround) 3601 return; 3602 3603 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 3604 3605 sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 3606 3607 he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 3608 3609 if (he_cap) { 3610 /* we know that ours is writable */ 3611 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; 3612 3613 he->he_cap_elem.phy_cap_info[0] |= 3614 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 3615 } 3616 } 3617 3618 static void iwl_mvm_mei_host_associated(struct iwl_mvm *mvm, 3619 struct ieee80211_vif *vif, 3620 struct iwl_mvm_sta *mvm_sta) 3621 { 3622 #if IS_ENABLED(CONFIG_IWLMEI) 3623 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3624 struct iwl_mei_conn_info conn_info = { 3625 .ssid_len = vif->cfg.ssid_len, 3626 }; 3627 3628 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 3629 return; 3630 3631 if (!mvm->mei_registered) 3632 return; 3633 3634 /* FIXME: MEI needs to be updated for MLO */ 3635 if (!vif->bss_conf.chanreq.oper.chan) 3636 return; 3637 3638 conn_info.channel = vif->bss_conf.chanreq.oper.chan->hw_value; 3639 3640 switch (mvm_sta->pairwise_cipher) { 3641 case WLAN_CIPHER_SUITE_TKIP: 3642 conn_info.pairwise_cipher = IWL_MEI_CIPHER_TKIP; 3643 break; 3644 case WLAN_CIPHER_SUITE_CCMP: 3645 conn_info.pairwise_cipher = IWL_MEI_CIPHER_CCMP; 3646 break; 3647 case WLAN_CIPHER_SUITE_GCMP: 3648 conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP; 3649 break; 3650 case WLAN_CIPHER_SUITE_GCMP_256: 3651 conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP_256; 3652 break; 3653 case 0: 3654 /* open profile */ 3655 break; 3656 default: 3657 /* cipher not supported, don't send anything to iwlmei */ 3658 return; 3659 } 3660 3661 switch (mvmvif->rekey_data.akm) { 3662 case WLAN_AKM_SUITE_SAE & 0xff: 3663 conn_info.auth_mode = IWL_MEI_AKM_AUTH_SAE; 3664 break; 3665 case WLAN_AKM_SUITE_PSK & 0xff: 3666 conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA_PSK; 3667 break; 3668 case WLAN_AKM_SUITE_8021X & 0xff: 3669 conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA; 3670 break; 3671 case 0: 3672 /* open profile */ 3673 conn_info.auth_mode = IWL_MEI_AKM_AUTH_OPEN; 3674 break; 3675 default: 3676 /* auth method / AKM not supported */ 3677 /* TODO: All the FT vesions of these? */ 3678 return; 3679 } 3680 3681 memcpy(conn_info.ssid, vif->cfg.ssid, vif->cfg.ssid_len); 3682 memcpy(conn_info.bssid, vif->bss_conf.bssid, ETH_ALEN); 3683 3684 /* TODO: add support for collocated AP data */ 3685 iwl_mei_host_associated(&conn_info, NULL); 3686 #endif 3687 } 3688 3689 static int iwl_mvm_mac_ctxt_changed_wrapper(struct iwl_mvm *mvm, 3690 struct ieee80211_vif *vif, 3691 bool force_assoc_off) 3692 { 3693 return iwl_mvm_mac_ctxt_changed(mvm, vif, force_assoc_off, NULL); 3694 } 3695 3696 static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 3697 struct ieee80211_vif *vif, 3698 struct ieee80211_sta *sta, 3699 enum ieee80211_sta_state old_state, 3700 enum ieee80211_sta_state new_state) 3701 { 3702 static const struct iwl_mvm_sta_state_ops callbacks = { 3703 .add_sta = iwl_mvm_add_sta, 3704 .update_sta = iwl_mvm_update_sta, 3705 .rm_sta = iwl_mvm_rm_sta, 3706 .mac_ctxt_changed = iwl_mvm_mac_ctxt_changed_wrapper, 3707 }; 3708 3709 return iwl_mvm_mac_sta_state_common(hw, vif, sta, old_state, new_state, 3710 &callbacks); 3711 } 3712 3713 /* FIXME: temporary making two assumptions in all sta handling functions: 3714 * (1) when setting sta state, the link exists and protected 3715 * (2) if a link is valid in sta then it's valid in vif (can 3716 * use same index in the link array) 3717 */ 3718 static void iwl_mvm_rs_rate_init_all_links(struct iwl_mvm *mvm, 3719 struct ieee80211_vif *vif, 3720 struct ieee80211_sta *sta) 3721 { 3722 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3723 unsigned int link_id; 3724 3725 for_each_mvm_vif_valid_link(mvmvif, link_id) { 3726 struct ieee80211_bss_conf *conf = 3727 link_conf_dereference_check(vif, link_id); 3728 struct ieee80211_link_sta *link_sta = 3729 link_sta_dereference_check(sta, link_id); 3730 3731 if (!conf || !link_sta || !mvmvif->link[link_id]->phy_ctxt) 3732 continue; 3733 3734 iwl_mvm_rs_rate_init(mvm, vif, sta, conf, link_sta, 3735 mvmvif->link[link_id]->phy_ctxt->channel->band); 3736 } 3737 } 3738 3739 #define IWL_MVM_MIN_BEACON_INTERVAL_TU 16 3740 3741 static bool iwl_mvm_vif_conf_from_sta(struct iwl_mvm *mvm, 3742 struct ieee80211_vif *vif, 3743 struct ieee80211_sta *sta) 3744 { 3745 struct ieee80211_link_sta *link_sta; 3746 unsigned int link_id; 3747 3748 /* Beacon interval check - firmware will crash if the beacon 3749 * interval is less than 16. We can't avoid connecting at all, 3750 * so refuse the station state change, this will cause mac80211 3751 * to abandon attempts to connect to this AP, and eventually 3752 * wpa_s will blocklist the AP... 3753 */ 3754 3755 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3756 struct ieee80211_bss_conf *link_conf = 3757 link_conf_dereference_protected(vif, link_id); 3758 3759 if (!link_conf) 3760 continue; 3761 3762 if (link_conf->beacon_int < IWL_MVM_MIN_BEACON_INTERVAL_TU) { 3763 IWL_ERR(mvm, 3764 "Beacon interval %d for AP %pM is too small\n", 3765 link_conf->beacon_int, link_sta->addr); 3766 return false; 3767 } 3768 3769 link_conf->he_support = link_sta->he_cap.has_he; 3770 } 3771 3772 return true; 3773 } 3774 3775 static void iwl_mvm_vif_set_he_support(struct ieee80211_hw *hw, 3776 struct ieee80211_vif *vif, 3777 struct ieee80211_sta *sta, 3778 bool is_sta) 3779 { 3780 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3781 struct ieee80211_link_sta *link_sta; 3782 unsigned int link_id; 3783 3784 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3785 struct ieee80211_bss_conf *link_conf = 3786 link_conf_dereference_protected(vif, link_id); 3787 3788 if (!link_conf || !mvmvif->link[link_id]) 3789 continue; 3790 3791 link_conf->he_support = link_sta->he_cap.has_he; 3792 3793 if (is_sta) { 3794 mvmvif->link[link_id]->he_ru_2mhz_block = false; 3795 if (link_sta->he_cap.has_he) 3796 iwl_mvm_check_he_obss_narrow_bw_ru(hw, vif, 3797 link_id, 3798 link_conf); 3799 } 3800 } 3801 } 3802 3803 static int 3804 iwl_mvm_sta_state_notexist_to_none(struct iwl_mvm *mvm, 3805 struct ieee80211_vif *vif, 3806 struct ieee80211_sta *sta, 3807 const struct iwl_mvm_sta_state_ops *callbacks) 3808 { 3809 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3810 struct ieee80211_link_sta *link_sta; 3811 unsigned int i; 3812 int ret; 3813 3814 lockdep_assert_held(&mvm->mutex); 3815 3816 if (vif->type == NL80211_IFTYPE_STATION && 3817 !iwl_mvm_vif_conf_from_sta(mvm, vif, sta)) 3818 return -EINVAL; 3819 3820 if (sta->tdls && 3821 (vif->p2p || 3822 iwl_mvm_tdls_sta_count(mvm, NULL) == IWL_MVM_TDLS_STA_COUNT || 3823 iwl_mvm_phy_ctx_count(mvm) > 1)) { 3824 IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); 3825 return -EBUSY; 3826 } 3827 3828 ret = callbacks->add_sta(mvm, vif, sta); 3829 if (sta->tdls && ret == 0) { 3830 iwl_mvm_recalc_tdls_state(mvm, vif, true); 3831 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 3832 NL80211_TDLS_SETUP); 3833 } 3834 3835 if (ret) 3836 return ret; 3837 3838 for_each_sta_active_link(vif, sta, link_sta, i) 3839 link_sta->agg.max_rc_amsdu_len = 1; 3840 3841 ieee80211_sta_recalc_aggregates(sta); 3842 3843 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 3844 mvmvif->ap_sta = sta; 3845 3846 /* 3847 * Initialize the rates here already - this really tells 3848 * the firmware only what the supported legacy rates are 3849 * (may be) since it's initialized already from what the 3850 * AP advertised in the beacon/probe response. This will 3851 * allow the firmware to send auth/assoc frames with one 3852 * of the supported rates already, rather than having to 3853 * use a mandatory rate. 3854 * If we're the AP, we'll just assume mandatory rates at 3855 * this point, but we know nothing about the STA anyway. 3856 */ 3857 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 3858 3859 return 0; 3860 } 3861 3862 static int 3863 iwl_mvm_sta_state_auth_to_assoc(struct ieee80211_hw *hw, 3864 struct iwl_mvm *mvm, 3865 struct ieee80211_vif *vif, 3866 struct ieee80211_sta *sta, 3867 const struct iwl_mvm_sta_state_ops *callbacks) 3868 { 3869 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3870 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3871 struct ieee80211_link_sta *link_sta; 3872 unsigned int link_id; 3873 3874 lockdep_assert_held(&mvm->mutex); 3875 3876 if (vif->type == NL80211_IFTYPE_AP) { 3877 iwl_mvm_vif_set_he_support(hw, vif, sta, false); 3878 mvmvif->ap_assoc_sta_count++; 3879 callbacks->mac_ctxt_changed(mvm, vif, false); 3880 3881 /* since the below is not for MLD API, it's ok to use 3882 * the default bss_conf 3883 */ 3884 if (!mvm->mld_api_is_used && 3885 (vif->bss_conf.he_support && 3886 !iwlwifi_mod_params.disable_11ax)) 3887 iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->deflink.sta_id); 3888 } else if (vif->type == NL80211_IFTYPE_STATION) { 3889 iwl_mvm_vif_set_he_support(hw, vif, sta, true); 3890 3891 callbacks->mac_ctxt_changed(mvm, vif, false); 3892 3893 if (!mvm->mld_api_is_used) 3894 goto out; 3895 3896 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3897 struct ieee80211_bss_conf *link_conf = 3898 link_conf_dereference_protected(vif, link_id); 3899 3900 if (WARN_ON(!link_conf)) 3901 return -EINVAL; 3902 if (!mvmvif->link[link_id]) 3903 continue; 3904 3905 iwl_mvm_link_changed(mvm, vif, link_conf, 3906 LINK_CONTEXT_MODIFY_ALL & 3907 ~LINK_CONTEXT_MODIFY_ACTIVE, 3908 true); 3909 } 3910 } 3911 3912 out: 3913 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 3914 3915 return callbacks->update_sta(mvm, vif, sta); 3916 } 3917 3918 static int 3919 iwl_mvm_sta_state_assoc_to_authorized(struct iwl_mvm *mvm, 3920 struct ieee80211_vif *vif, 3921 struct ieee80211_sta *sta, 3922 const struct iwl_mvm_sta_state_ops *callbacks) 3923 { 3924 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3925 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3926 3927 lockdep_assert_held(&mvm->mutex); 3928 3929 /* we don't support TDLS during DCM */ 3930 if (iwl_mvm_phy_ctx_count(mvm) > 1) 3931 iwl_mvm_teardown_tdls_peers(mvm); 3932 3933 if (sta->tdls) { 3934 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 3935 NL80211_TDLS_ENABLE_LINK); 3936 } else { 3937 /* enable beacon filtering */ 3938 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif)); 3939 3940 mvmvif->authorized = 1; 3941 3942 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 3943 mvmvif->link_selection_res = vif->active_links; 3944 mvmvif->link_selection_primary = 3945 vif->active_links ? __ffs(vif->active_links) : 0; 3946 } 3947 3948 callbacks->mac_ctxt_changed(mvm, vif, false); 3949 iwl_mvm_mei_host_associated(mvm, vif, mvm_sta); 3950 3951 memset(&mvmvif->last_esr_exit, 0, 3952 sizeof(mvmvif->last_esr_exit)); 3953 3954 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TPT, 0); 3955 3956 /* Block until FW notif will arrive */ 3957 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW, 0); 3958 3959 /* when client is authorized (AP station marked as such), 3960 * try to enable the best link(s). 3961 */ 3962 if (vif->type == NL80211_IFTYPE_STATION && 3963 !test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 3964 iwl_mvm_select_links(mvm, vif); 3965 } 3966 3967 mvm_sta->authorized = true; 3968 3969 /* MFP is set by default before the station is authorized. 3970 * Clear it here in case it's not used. 3971 */ 3972 if (!sta->mfp) { 3973 int ret = callbacks->update_sta(mvm, vif, sta); 3974 3975 if (ret) 3976 return ret; 3977 } 3978 3979 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 3980 3981 return 0; 3982 } 3983 3984 static int 3985 iwl_mvm_sta_state_authorized_to_assoc(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 *mvmsta = iwl_mvm_sta_from_mac80211(sta); 3992 3993 lockdep_assert_held(&mvm->mutex); 3994 3995 mvmsta->authorized = false; 3996 3997 /* once we move into assoc state, need to update rate scale to 3998 * disable using wide bandwidth 3999 */ 4000 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4001 4002 if (!sta->tdls) { 4003 /* Set this but don't call iwl_mvm_mac_ctxt_changed() 4004 * yet to avoid sending high prio again for a little 4005 * time. 4006 */ 4007 mvmvif->authorized = 0; 4008 mvmvif->link_selection_res = 0; 4009 4010 /* disable beacon filtering */ 4011 iwl_mvm_disable_beacon_filter(mvm, vif); 4012 4013 wiphy_delayed_work_cancel(mvm->hw->wiphy, 4014 &mvmvif->prevent_esr_done_wk); 4015 4016 wiphy_delayed_work_cancel(mvm->hw->wiphy, 4017 &mvmvif->mlo_int_scan_wk); 4018 4019 wiphy_work_cancel(mvm->hw->wiphy, &mvmvif->unblock_esr_tpt_wk); 4020 4021 /* No need for the periodic statistics anymore */ 4022 if (ieee80211_vif_is_mld(vif) && mvmvif->esr_active) 4023 iwl_mvm_request_periodic_system_statistics(mvm, false); 4024 } 4025 4026 return 0; 4027 } 4028 4029 /* Common part for MLD and non-MLD modes */ 4030 int iwl_mvm_mac_sta_state_common(struct ieee80211_hw *hw, 4031 struct ieee80211_vif *vif, 4032 struct ieee80211_sta *sta, 4033 enum ieee80211_sta_state old_state, 4034 enum ieee80211_sta_state new_state, 4035 const struct iwl_mvm_sta_state_ops *callbacks) 4036 { 4037 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4038 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4039 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 4040 struct ieee80211_link_sta *link_sta; 4041 unsigned int link_id; 4042 int ret; 4043 4044 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", 4045 sta->addr, old_state, new_state); 4046 4047 /* 4048 * If we are in a STA removal flow and in DQA mode: 4049 * 4050 * This is after the sync_rcu part, so the queues have already been 4051 * flushed. No more TXs on their way in mac80211's path, and no more in 4052 * the queues. 4053 * Also, we won't be getting any new TX frames for this station. 4054 * What we might have are deferred TX frames that need to be taken care 4055 * of. 4056 * 4057 * Drop any still-queued deferred-frame before removing the STA, and 4058 * make sure the worker is no longer handling frames for this STA. 4059 */ 4060 if (old_state == IEEE80211_STA_NONE && 4061 new_state == IEEE80211_STA_NOTEXIST) { 4062 flush_work(&mvm->add_stream_wk); 4063 4064 /* 4065 * No need to make sure deferred TX indication is off since the 4066 * worker will already remove it if it was on 4067 */ 4068 4069 /* 4070 * Additionally, reset the 40 MHz capability if we disconnected 4071 * from the AP now. 4072 */ 4073 iwl_mvm_reset_cca_40mhz_workaround(mvm, vif); 4074 4075 /* Also free dup data just in case any assertions below fail */ 4076 kfree(mvm_sta->dup_data); 4077 } 4078 4079 mutex_lock(&mvm->mutex); 4080 4081 /* this would be a mac80211 bug ... but don't crash, unless we had a 4082 * firmware crash while we were activating a link, in which case it is 4083 * legit to have phy_ctxt = NULL. Don't bother not to WARN if we are in 4084 * recovery flow since we spit tons of error messages anyway. 4085 */ 4086 for_each_sta_active_link(vif, sta, link_sta, link_id) { 4087 if (WARN_ON_ONCE(!mvmvif->link[link_id] || 4088 !mvmvif->link[link_id]->phy_ctxt)) { 4089 mutex_unlock(&mvm->mutex); 4090 return test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 4091 &mvm->status) ? 0 : -EINVAL; 4092 } 4093 } 4094 4095 /* track whether or not the station is associated */ 4096 mvm_sta->sta_state = new_state; 4097 4098 if (old_state == IEEE80211_STA_NOTEXIST && 4099 new_state == IEEE80211_STA_NONE) { 4100 ret = iwl_mvm_sta_state_notexist_to_none(mvm, vif, sta, 4101 callbacks); 4102 if (ret < 0) 4103 goto out_unlock; 4104 } else if (old_state == IEEE80211_STA_NONE && 4105 new_state == IEEE80211_STA_AUTH) { 4106 /* 4107 * EBS may be disabled due to previous failures reported by FW. 4108 * Reset EBS status here assuming environment has been changed. 4109 */ 4110 mvm->last_ebs_successful = true; 4111 iwl_mvm_check_uapsd(mvm, vif, sta->addr); 4112 ret = 0; 4113 } else if (old_state == IEEE80211_STA_AUTH && 4114 new_state == IEEE80211_STA_ASSOC) { 4115 ret = iwl_mvm_sta_state_auth_to_assoc(hw, mvm, vif, sta, 4116 callbacks); 4117 } else if (old_state == IEEE80211_STA_ASSOC && 4118 new_state == IEEE80211_STA_AUTHORIZED) { 4119 ret = iwl_mvm_sta_state_assoc_to_authorized(mvm, vif, sta, 4120 callbacks); 4121 } else if (old_state == IEEE80211_STA_AUTHORIZED && 4122 new_state == IEEE80211_STA_ASSOC) { 4123 ret = iwl_mvm_sta_state_authorized_to_assoc(mvm, vif, sta, 4124 callbacks); 4125 } else if (old_state == IEEE80211_STA_ASSOC && 4126 new_state == IEEE80211_STA_AUTH) { 4127 if (vif->type == NL80211_IFTYPE_AP) { 4128 mvmvif->ap_assoc_sta_count--; 4129 callbacks->mac_ctxt_changed(mvm, vif, false); 4130 } else if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 4131 iwl_mvm_stop_session_protection(mvm, vif); 4132 ret = 0; 4133 } else if (old_state == IEEE80211_STA_AUTH && 4134 new_state == IEEE80211_STA_NONE) { 4135 ret = 0; 4136 } else if (old_state == IEEE80211_STA_NONE && 4137 new_state == IEEE80211_STA_NOTEXIST) { 4138 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { 4139 iwl_mvm_stop_session_protection(mvm, vif); 4140 mvmvif->ap_sta = NULL; 4141 } 4142 ret = callbacks->rm_sta(mvm, vif, sta); 4143 if (sta->tdls) { 4144 iwl_mvm_recalc_tdls_state(mvm, vif, false); 4145 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 4146 NL80211_TDLS_DISABLE_LINK); 4147 } 4148 4149 if (unlikely(ret && 4150 test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 4151 &mvm->status))) 4152 ret = 0; 4153 } else { 4154 ret = -EIO; 4155 } 4156 out_unlock: 4157 mutex_unlock(&mvm->mutex); 4158 4159 if (sta->tdls && ret == 0) { 4160 if (old_state == IEEE80211_STA_NOTEXIST && 4161 new_state == IEEE80211_STA_NONE) 4162 ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); 4163 else if (old_state == IEEE80211_STA_NONE && 4164 new_state == IEEE80211_STA_NOTEXIST) 4165 ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); 4166 } 4167 4168 return ret; 4169 } 4170 4171 int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 4172 { 4173 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4174 4175 mvm->rts_threshold = value; 4176 4177 return 0; 4178 } 4179 4180 void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4181 struct ieee80211_sta *sta, u32 changed) 4182 { 4183 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4184 4185 if (changed & (IEEE80211_RC_BW_CHANGED | 4186 IEEE80211_RC_SUPP_RATES_CHANGED | 4187 IEEE80211_RC_NSS_CHANGED)) 4188 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4189 4190 if (vif->type == NL80211_IFTYPE_STATION && 4191 changed & IEEE80211_RC_NSS_CHANGED) 4192 iwl_mvm_sf_update(mvm, vif, false); 4193 } 4194 4195 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, 4196 struct ieee80211_vif *vif, 4197 unsigned int link_id, u16 ac, 4198 const struct ieee80211_tx_queue_params *params) 4199 { 4200 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4201 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4202 4203 mvmvif->deflink.queue_params[ac] = *params; 4204 4205 /* 4206 * No need to update right away, we'll get BSS_CHANGED_QOS 4207 * The exception is P2P_DEVICE interface which needs immediate update. 4208 */ 4209 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 4210 int ret; 4211 4212 mutex_lock(&mvm->mutex); 4213 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4214 mutex_unlock(&mvm->mutex); 4215 return ret; 4216 } 4217 return 0; 4218 } 4219 4220 void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, 4221 struct ieee80211_vif *vif, 4222 struct ieee80211_prep_tx_info *info) 4223 { 4224 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4225 4226 mutex_lock(&mvm->mutex); 4227 iwl_mvm_protect_assoc(mvm, vif, info->duration, info->link_id); 4228 mutex_unlock(&mvm->mutex); 4229 } 4230 4231 void iwl_mvm_mac_mgd_complete_tx(struct ieee80211_hw *hw, 4232 struct ieee80211_vif *vif, 4233 struct ieee80211_prep_tx_info *info) 4234 { 4235 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4236 4237 /* for successful cases (auth/assoc), don't cancel session protection */ 4238 if (info->success) 4239 return; 4240 4241 mutex_lock(&mvm->mutex); 4242 iwl_mvm_stop_session_protection(mvm, vif); 4243 mutex_unlock(&mvm->mutex); 4244 } 4245 4246 int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, 4247 struct ieee80211_vif *vif, 4248 struct cfg80211_sched_scan_request *req, 4249 struct ieee80211_scan_ies *ies) 4250 { 4251 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4252 4253 int ret; 4254 4255 mutex_lock(&mvm->mutex); 4256 4257 if (!vif->cfg.idle) { 4258 ret = -EBUSY; 4259 goto out; 4260 } 4261 4262 ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); 4263 4264 out: 4265 mutex_unlock(&mvm->mutex); 4266 return ret; 4267 } 4268 4269 int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, 4270 struct ieee80211_vif *vif) 4271 { 4272 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4273 int ret; 4274 4275 mutex_lock(&mvm->mutex); 4276 4277 /* Due to a race condition, it's possible that mac80211 asks 4278 * us to stop a sched_scan when it's already stopped. This 4279 * can happen, for instance, if we stopped the scan ourselves, 4280 * called ieee80211_sched_scan_stopped() and the userspace called 4281 * stop sched scan scan before ieee80211_sched_scan_stopped_work() 4282 * could run. To handle this, simply return if the scan is 4283 * not running. 4284 */ 4285 if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { 4286 mutex_unlock(&mvm->mutex); 4287 return 0; 4288 } 4289 4290 ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); 4291 mutex_unlock(&mvm->mutex); 4292 iwl_mvm_wait_for_async_handlers(mvm); 4293 4294 return ret; 4295 } 4296 4297 static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 4298 enum set_key_cmd cmd, 4299 struct ieee80211_vif *vif, 4300 struct ieee80211_sta *sta, 4301 struct ieee80211_key_conf *key) 4302 { 4303 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4304 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4305 struct iwl_mvm_sta *mvmsta = NULL; 4306 struct iwl_mvm_key_pn *ptk_pn = NULL; 4307 int keyidx = key->keyidx; 4308 u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); 4309 u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); 4310 int ret, i; 4311 u8 key_offset; 4312 4313 if (sta) 4314 mvmsta = iwl_mvm_sta_from_mac80211(sta); 4315 4316 switch (key->cipher) { 4317 case WLAN_CIPHER_SUITE_TKIP: 4318 if (!mvm->trans->trans_cfg->gen2) { 4319 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 4320 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 4321 } else if (vif->type == NL80211_IFTYPE_STATION) { 4322 key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; 4323 } else { 4324 IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); 4325 return -EOPNOTSUPP; 4326 } 4327 break; 4328 case WLAN_CIPHER_SUITE_CCMP: 4329 case WLAN_CIPHER_SUITE_GCMP: 4330 case WLAN_CIPHER_SUITE_GCMP_256: 4331 if (!iwl_mvm_has_new_tx_api(mvm)) 4332 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 4333 break; 4334 case WLAN_CIPHER_SUITE_AES_CMAC: 4335 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 4336 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 4337 WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); 4338 break; 4339 case WLAN_CIPHER_SUITE_WEP40: 4340 case WLAN_CIPHER_SUITE_WEP104: 4341 if (vif->type == NL80211_IFTYPE_STATION) 4342 break; 4343 if (iwl_mvm_has_new_tx_api(mvm)) 4344 return -EOPNOTSUPP; 4345 /* support HW crypto on TX */ 4346 return 0; 4347 default: 4348 return -EOPNOTSUPP; 4349 } 4350 4351 switch (cmd) { 4352 case SET_KEY: 4353 if (vif->type == NL80211_IFTYPE_STATION && 4354 (keyidx == 6 || keyidx == 7)) 4355 rcu_assign_pointer(mvmvif->bcn_prot.keys[keyidx - 6], 4356 key); 4357 4358 if ((vif->type == NL80211_IFTYPE_ADHOC || 4359 vif->type == NL80211_IFTYPE_AP) && !sta) { 4360 /* 4361 * GTK on AP interface is a TX-only key, return 0; 4362 * on IBSS they're per-station and because we're lazy 4363 * we don't support them for RX, so do the same. 4364 * CMAC/GMAC in AP/IBSS modes must be done in software 4365 * on older NICs. 4366 * 4367 * Except, of course, beacon protection - it must be 4368 * offloaded since we just set a beacon template, and 4369 * then we must also offload the IGTK (not just BIGTK) 4370 * for firmware reasons. 4371 * 4372 * So just check for beacon protection - if we don't 4373 * have it we cannot get here with keyidx >= 6, and 4374 * if we do have it we need to send the key to FW in 4375 * all cases (CMAC/GMAC). 4376 */ 4377 if (!wiphy_ext_feature_isset(hw->wiphy, 4378 NL80211_EXT_FEATURE_BEACON_PROTECTION) && 4379 (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 4380 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 4381 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256)) { 4382 ret = -EOPNOTSUPP; 4383 break; 4384 } 4385 4386 if (key->cipher != WLAN_CIPHER_SUITE_GCMP && 4387 key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && 4388 !iwl_mvm_has_new_tx_api(mvm)) { 4389 key->hw_key_idx = STA_KEY_IDX_INVALID; 4390 ret = 0; 4391 break; 4392 } 4393 4394 if (!mvmvif->ap_ibss_active) { 4395 for (i = 0; 4396 i < ARRAY_SIZE(mvmvif->ap_early_keys); 4397 i++) { 4398 if (!mvmvif->ap_early_keys[i]) { 4399 mvmvif->ap_early_keys[i] = key; 4400 break; 4401 } 4402 } 4403 4404 if (i >= ARRAY_SIZE(mvmvif->ap_early_keys)) 4405 ret = -ENOSPC; 4406 else 4407 ret = 0; 4408 4409 break; 4410 } 4411 } 4412 4413 /* During FW restart, in order to restore the state as it was, 4414 * don't try to reprogram keys we previously failed for. 4415 */ 4416 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 4417 key->hw_key_idx == STA_KEY_IDX_INVALID) { 4418 IWL_DEBUG_MAC80211(mvm, 4419 "skip invalid idx key programming during restart\n"); 4420 ret = 0; 4421 break; 4422 } 4423 4424 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 4425 mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4426 key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4427 (key->cipher == WLAN_CIPHER_SUITE_CCMP || 4428 key->cipher == WLAN_CIPHER_SUITE_GCMP || 4429 key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4430 struct ieee80211_key_seq seq; 4431 int tid, q; 4432 4433 WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); 4434 ptk_pn = kzalloc(struct_size(ptk_pn, q, 4435 mvm->trans->num_rx_queues), 4436 GFP_KERNEL); 4437 if (!ptk_pn) { 4438 ret = -ENOMEM; 4439 break; 4440 } 4441 4442 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 4443 ieee80211_get_key_rx_seq(key, tid, &seq); 4444 for (q = 0; q < mvm->trans->num_rx_queues; q++) 4445 memcpy(ptk_pn->q[q].pn[tid], 4446 seq.ccmp.pn, 4447 IEEE80211_CCMP_PN_LEN); 4448 } 4449 4450 rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); 4451 } 4452 4453 /* in HW restart reuse the index, otherwise request a new one */ 4454 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 4455 key_offset = key->hw_key_idx; 4456 else 4457 key_offset = STA_KEY_IDX_INVALID; 4458 4459 if (mvmsta && key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 4460 mvmsta->pairwise_cipher = key->cipher; 4461 4462 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key (sta:%pM, id:%d)\n", 4463 sta ? sta->addr : NULL, key->keyidx); 4464 4465 if (sec_key_ver) 4466 ret = iwl_mvm_sec_key_add(mvm, vif, sta, key); 4467 else 4468 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); 4469 4470 if (ret) { 4471 IWL_WARN(mvm, "set key failed\n"); 4472 key->hw_key_idx = STA_KEY_IDX_INVALID; 4473 if (ptk_pn) { 4474 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 4475 kfree(ptk_pn); 4476 } 4477 /* 4478 * can't add key for RX, but we don't need it 4479 * in the device for TX so still return 0, 4480 * unless we have new TX API where we cannot 4481 * put key material into the TX_CMD 4482 */ 4483 if (iwl_mvm_has_new_tx_api(mvm)) 4484 ret = -EOPNOTSUPP; 4485 else 4486 ret = 0; 4487 } 4488 4489 break; 4490 case DISABLE_KEY: 4491 if (vif->type == NL80211_IFTYPE_STATION && 4492 (keyidx == 6 || keyidx == 7)) 4493 RCU_INIT_POINTER(mvmvif->bcn_prot.keys[keyidx - 6], 4494 NULL); 4495 4496 ret = -ENOENT; 4497 for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 4498 if (mvmvif->ap_early_keys[i] == key) { 4499 mvmvif->ap_early_keys[i] = NULL; 4500 ret = 0; 4501 } 4502 } 4503 4504 /* found in pending list - don't do anything else */ 4505 if (ret == 0) 4506 break; 4507 4508 if (key->hw_key_idx == STA_KEY_IDX_INVALID) { 4509 ret = 0; 4510 break; 4511 } 4512 4513 if (mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4514 key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4515 (key->cipher == WLAN_CIPHER_SUITE_CCMP || 4516 key->cipher == WLAN_CIPHER_SUITE_GCMP || 4517 key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4518 ptk_pn = rcu_dereference_protected( 4519 mvmsta->ptk_pn[keyidx], 4520 lockdep_is_held(&mvm->mutex)); 4521 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 4522 if (ptk_pn) 4523 kfree_rcu(ptk_pn, rcu_head); 4524 } 4525 4526 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); 4527 if (sec_key_ver) 4528 ret = iwl_mvm_sec_key_del(mvm, vif, sta, key); 4529 else 4530 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); 4531 break; 4532 default: 4533 ret = -EINVAL; 4534 } 4535 4536 return ret; 4537 } 4538 4539 int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 4540 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 4541 struct ieee80211_key_conf *key) 4542 { 4543 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4544 int ret; 4545 4546 mutex_lock(&mvm->mutex); 4547 ret = __iwl_mvm_mac_set_key(hw, cmd, vif, sta, key); 4548 mutex_unlock(&mvm->mutex); 4549 4550 return ret; 4551 } 4552 4553 void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, 4554 struct ieee80211_vif *vif, 4555 struct ieee80211_key_conf *keyconf, 4556 struct ieee80211_sta *sta, 4557 u32 iv32, u16 *phase1key) 4558 { 4559 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4560 4561 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) 4562 return; 4563 4564 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); 4565 } 4566 4567 4568 static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, 4569 struct iwl_rx_packet *pkt, void *data) 4570 { 4571 struct iwl_mvm *mvm = 4572 container_of(notif_wait, struct iwl_mvm, notif_wait); 4573 struct iwl_hs20_roc_res *resp; 4574 int resp_len = iwl_rx_packet_payload_len(pkt); 4575 struct iwl_mvm_time_event_data *te_data = data; 4576 4577 if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) 4578 return true; 4579 4580 if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { 4581 IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); 4582 return true; 4583 } 4584 4585 resp = (void *)pkt->data; 4586 4587 IWL_DEBUG_TE(mvm, 4588 "Aux ROC: Received response from ucode: status=%d uid=%d\n", 4589 resp->status, resp->event_unique_id); 4590 4591 te_data->uid = le32_to_cpu(resp->event_unique_id); 4592 IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", 4593 te_data->uid); 4594 4595 spin_lock_bh(&mvm->time_event_lock); 4596 list_add_tail(&te_data->list, &mvm->aux_roc_te_list); 4597 spin_unlock_bh(&mvm->time_event_lock); 4598 4599 return true; 4600 } 4601 4602 static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 4603 struct ieee80211_channel *channel, 4604 struct ieee80211_vif *vif, 4605 int duration) 4606 { 4607 int res; 4608 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4609 struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; 4610 static const u16 time_event_response[] = { HOT_SPOT_CMD }; 4611 struct iwl_notification_wait wait_time_event; 4612 u32 req_dur, delay; 4613 struct iwl_hs20_roc_req aux_roc_req = { 4614 .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 4615 .id_and_color = 4616 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), 4617 .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), 4618 }; 4619 struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm, 4620 &aux_roc_req.channel_info); 4621 u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm); 4622 4623 /* Set the channel info data */ 4624 iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value, 4625 iwl_mvm_phy_band_from_nl80211(channel->band), 4626 IWL_PHY_CHANNEL_MODE20, 4627 0); 4628 4629 /* Set the time and duration */ 4630 tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm)); 4631 4632 iwl_mvm_roc_duration_and_delay(vif, duration, &req_dur, &delay); 4633 tail->duration = cpu_to_le32(req_dur); 4634 tail->apply_time_max_delay = cpu_to_le32(delay); 4635 4636 IWL_DEBUG_TE(mvm, 4637 "ROC: Requesting to remain on channel %u for %ums\n", 4638 channel->hw_value, req_dur); 4639 IWL_DEBUG_TE(mvm, 4640 "\t(requested = %ums, max_delay = %ums)\n", 4641 duration, delay); 4642 4643 /* Set the node address */ 4644 memcpy(tail->node_addr, vif->addr, ETH_ALEN); 4645 4646 lockdep_assert_held(&mvm->mutex); 4647 4648 spin_lock_bh(&mvm->time_event_lock); 4649 4650 if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { 4651 spin_unlock_bh(&mvm->time_event_lock); 4652 return -EIO; 4653 } 4654 4655 te_data->vif = vif; 4656 te_data->duration = duration; 4657 te_data->id = HOT_SPOT_CMD; 4658 4659 spin_unlock_bh(&mvm->time_event_lock); 4660 4661 /* 4662 * Use a notification wait, which really just processes the 4663 * command response and doesn't wait for anything, in order 4664 * to be able to process the response and get the UID inside 4665 * the RX path. Using CMD_WANT_SKB doesn't work because it 4666 * stores the buffer and then wakes up this thread, by which 4667 * time another notification (that the time event started) 4668 * might already be processed unsuccessfully. 4669 */ 4670 iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, 4671 time_event_response, 4672 ARRAY_SIZE(time_event_response), 4673 iwl_mvm_rx_aux_roc, te_data); 4674 4675 res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len, 4676 &aux_roc_req); 4677 4678 if (res) { 4679 IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); 4680 iwl_remove_notification(&mvm->notif_wait, &wait_time_event); 4681 goto out_clear_te; 4682 } 4683 4684 /* No need to wait for anything, so just pass 1 (0 isn't valid) */ 4685 res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); 4686 /* should never fail */ 4687 WARN_ON_ONCE(res); 4688 4689 if (res) { 4690 out_clear_te: 4691 spin_lock_bh(&mvm->time_event_lock); 4692 iwl_mvm_te_clear_data(mvm, te_data); 4693 spin_unlock_bh(&mvm->time_event_lock); 4694 } 4695 4696 return res; 4697 } 4698 4699 static int iwl_mvm_add_aux_sta_for_hs20(struct iwl_mvm *mvm, u32 lmac_id) 4700 { 4701 int ret = 0; 4702 4703 lockdep_assert_held(&mvm->mutex); 4704 4705 if (!fw_has_capa(&mvm->fw->ucode_capa, 4706 IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { 4707 IWL_ERR(mvm, "hotspot not supported\n"); 4708 return -EINVAL; 4709 } 4710 4711 if (iwl_mvm_has_new_station_api(mvm->fw)) { 4712 ret = iwl_mvm_add_aux_sta(mvm, lmac_id); 4713 WARN(ret, "Failed to allocate aux station"); 4714 } 4715 4716 return ret; 4717 } 4718 4719 static int iwl_mvm_roc_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 4720 { 4721 int ret; 4722 4723 lockdep_assert_held(&mvm->mutex); 4724 4725 ret = iwl_mvm_binding_add_vif(mvm, vif); 4726 if (WARN(ret, "Failed binding P2P_DEVICE\n")) 4727 return ret; 4728 4729 /* The station and queue allocation must be done only after the binding 4730 * is done, as otherwise the FW might incorrectly configure its state. 4731 */ 4732 return iwl_mvm_add_p2p_bcast_sta(mvm, vif); 4733 } 4734 4735 static int iwl_mvm_roc(struct ieee80211_hw *hw, 4736 struct ieee80211_vif *vif, 4737 struct ieee80211_channel *channel, 4738 int duration, 4739 enum ieee80211_roc_type type) 4740 { 4741 static const struct iwl_mvm_roc_ops ops = { 4742 .add_aux_sta_for_hs20 = iwl_mvm_add_aux_sta_for_hs20, 4743 .link = iwl_mvm_roc_link, 4744 }; 4745 4746 return iwl_mvm_roc_common(hw, vif, channel, duration, type, &ops); 4747 } 4748 4749 static int iwl_mvm_roc_station(struct iwl_mvm *mvm, 4750 struct ieee80211_channel *channel, 4751 struct ieee80211_vif *vif, 4752 int duration) 4753 { 4754 int ret; 4755 u32 cmd_id = WIDE_ID(MAC_CONF_GROUP, ROC_CMD); 4756 u8 fw_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 4757 IWL_FW_CMD_VER_UNKNOWN); 4758 4759 if (fw_ver == IWL_FW_CMD_VER_UNKNOWN) { 4760 ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, vif, duration); 4761 } else if (fw_ver == 3) { 4762 ret = iwl_mvm_roc_add_cmd(mvm, channel, vif, duration, 4763 ROC_ACTIVITY_HOTSPOT); 4764 } else { 4765 ret = -EOPNOTSUPP; 4766 IWL_ERR(mvm, "ROC command version %d mismatch!\n", fw_ver); 4767 } 4768 4769 return ret; 4770 } 4771 4772 static int iwl_mvm_p2p_find_phy_ctxt(struct iwl_mvm *mvm, 4773 struct ieee80211_vif *vif, 4774 struct ieee80211_channel *channel) 4775 { 4776 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4777 struct cfg80211_chan_def chandef; 4778 int i; 4779 4780 lockdep_assert_held(&mvm->mutex); 4781 4782 if (mvmvif->deflink.phy_ctxt && 4783 channel == mvmvif->deflink.phy_ctxt->channel) 4784 return 0; 4785 4786 /* Try using a PHY context that is already in use */ 4787 for (i = 0; i < NUM_PHY_CTX; i++) { 4788 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[i]; 4789 4790 if (!phy_ctxt->ref || mvmvif->deflink.phy_ctxt == phy_ctxt) 4791 continue; 4792 4793 if (channel == phy_ctxt->channel) { 4794 if (mvmvif->deflink.phy_ctxt) 4795 iwl_mvm_phy_ctxt_unref(mvm, 4796 mvmvif->deflink.phy_ctxt); 4797 4798 mvmvif->deflink.phy_ctxt = phy_ctxt; 4799 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt); 4800 return 0; 4801 } 4802 } 4803 4804 /* We already have a phy_ctxt, but it's not on the right channel */ 4805 if (mvmvif->deflink.phy_ctxt) 4806 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 4807 4808 mvmvif->deflink.phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4809 if (!mvmvif->deflink.phy_ctxt) 4810 return -ENOSPC; 4811 4812 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); 4813 4814 return iwl_mvm_phy_ctxt_add(mvm, mvmvif->deflink.phy_ctxt, 4815 &chandef, NULL, 1, 1); 4816 } 4817 4818 /* Execute the common part for MLD and non-MLD modes */ 4819 int iwl_mvm_roc_common(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4820 struct ieee80211_channel *channel, int duration, 4821 enum ieee80211_roc_type type, 4822 const struct iwl_mvm_roc_ops *ops) 4823 { 4824 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4825 u32 lmac_id; 4826 int ret; 4827 4828 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, 4829 duration, type); 4830 4831 /* 4832 * Flush the done work, just in case it's still pending, so that 4833 * the work it does can complete and we can accept new frames. 4834 */ 4835 flush_work(&mvm->roc_done_wk); 4836 4837 ret = iwl_mvm_esr_non_bss_link(mvm, vif, 0, true); 4838 if (ret) 4839 return ret; 4840 4841 mutex_lock(&mvm->mutex); 4842 4843 switch (vif->type) { 4844 case NL80211_IFTYPE_STATION: 4845 lmac_id = iwl_mvm_get_lmac_id(mvm, channel->band); 4846 4847 /* Use aux roc framework (HS20) */ 4848 ret = ops->add_aux_sta_for_hs20(mvm, lmac_id); 4849 if (!ret) 4850 ret = iwl_mvm_roc_station(mvm, channel, vif, duration); 4851 goto out_unlock; 4852 case NL80211_IFTYPE_P2P_DEVICE: 4853 /* handle below */ 4854 break; 4855 default: 4856 IWL_ERR(mvm, "ROC: Invalid vif type=%u\n", vif->type); 4857 ret = -EINVAL; 4858 goto out_unlock; 4859 } 4860 4861 4862 ret = iwl_mvm_p2p_find_phy_ctxt(mvm, vif, channel); 4863 if (ret) 4864 goto out_unlock; 4865 4866 ret = ops->link(mvm, vif); 4867 if (ret) 4868 goto out_unlock; 4869 4870 ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type); 4871 out_unlock: 4872 mutex_unlock(&mvm->mutex); 4873 IWL_DEBUG_MAC80211(mvm, "leave\n"); 4874 return ret; 4875 } 4876 4877 int iwl_mvm_cancel_roc(struct ieee80211_hw *hw, 4878 struct ieee80211_vif *vif) 4879 { 4880 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4881 4882 IWL_DEBUG_MAC80211(mvm, "enter\n"); 4883 4884 iwl_mvm_stop_roc(mvm, vif); 4885 4886 IWL_DEBUG_MAC80211(mvm, "leave\n"); 4887 return 0; 4888 } 4889 4890 struct iwl_mvm_ftm_responder_iter_data { 4891 bool responder; 4892 struct ieee80211_chanctx_conf *ctx; 4893 }; 4894 4895 static void iwl_mvm_ftm_responder_chanctx_iter(void *_data, u8 *mac, 4896 struct ieee80211_vif *vif) 4897 { 4898 struct iwl_mvm_ftm_responder_iter_data *data = _data; 4899 4900 if (rcu_access_pointer(vif->bss_conf.chanctx_conf) == data->ctx && 4901 vif->type == NL80211_IFTYPE_AP && vif->bss_conf.ftmr_params) 4902 data->responder = true; 4903 } 4904 4905 bool iwl_mvm_is_ftm_responder_chanctx(struct iwl_mvm *mvm, 4906 struct ieee80211_chanctx_conf *ctx) 4907 { 4908 struct iwl_mvm_ftm_responder_iter_data data = { 4909 .responder = false, 4910 .ctx = ctx, 4911 }; 4912 4913 ieee80211_iterate_active_interfaces_atomic(mvm->hw, 4914 IEEE80211_IFACE_ITER_NORMAL, 4915 iwl_mvm_ftm_responder_chanctx_iter, 4916 &data); 4917 return data.responder; 4918 } 4919 4920 static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, 4921 struct ieee80211_chanctx_conf *ctx) 4922 { 4923 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4924 struct iwl_mvm_phy_ctxt *phy_ctxt; 4925 struct cfg80211_chan_def *def = iwl_mvm_chanctx_def(mvm, ctx); 4926 int ret; 4927 4928 lockdep_assert_held(&mvm->mutex); 4929 4930 IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); 4931 4932 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4933 if (!phy_ctxt) { 4934 ret = -ENOSPC; 4935 goto out; 4936 } 4937 4938 ret = iwl_mvm_phy_ctxt_add(mvm, phy_ctxt, def, &ctx->ap, 4939 ctx->rx_chains_static, 4940 ctx->rx_chains_dynamic); 4941 if (ret) { 4942 IWL_ERR(mvm, "Failed to add PHY context\n"); 4943 goto out; 4944 } 4945 4946 *phy_ctxt_id = phy_ctxt->id; 4947 out: 4948 return ret; 4949 } 4950 4951 int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, 4952 struct ieee80211_chanctx_conf *ctx) 4953 { 4954 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4955 int ret; 4956 4957 mutex_lock(&mvm->mutex); 4958 ret = __iwl_mvm_add_chanctx(mvm, ctx); 4959 mutex_unlock(&mvm->mutex); 4960 4961 return ret; 4962 } 4963 4964 static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, 4965 struct ieee80211_chanctx_conf *ctx) 4966 { 4967 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4968 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4969 4970 lockdep_assert_held(&mvm->mutex); 4971 4972 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); 4973 } 4974 4975 void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, 4976 struct ieee80211_chanctx_conf *ctx) 4977 { 4978 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4979 4980 mutex_lock(&mvm->mutex); 4981 __iwl_mvm_remove_chanctx(mvm, ctx); 4982 mutex_unlock(&mvm->mutex); 4983 } 4984 4985 void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, 4986 struct ieee80211_chanctx_conf *ctx, u32 changed) 4987 { 4988 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4989 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4990 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4991 struct cfg80211_chan_def *def = iwl_mvm_chanctx_def(mvm, ctx); 4992 4993 if (WARN_ONCE((phy_ctxt->ref > 1) && 4994 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | 4995 IEEE80211_CHANCTX_CHANGE_RX_CHAINS | 4996 IEEE80211_CHANCTX_CHANGE_RADAR | 4997 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), 4998 "Cannot change PHY. Ref=%d, changed=0x%X\n", 4999 phy_ctxt->ref, changed)) 5000 return; 5001 5002 mutex_lock(&mvm->mutex); 5003 5004 /* we are only changing the min_width, may be a noop */ 5005 if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) { 5006 if (phy_ctxt->width == def->width) 5007 goto out_unlock; 5008 5009 /* we are just toggling between 20_NOHT and 20 */ 5010 if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && 5011 def->width <= NL80211_CHAN_WIDTH_20) 5012 goto out_unlock; 5013 } 5014 5015 iwl_mvm_bt_coex_vif_change(mvm); 5016 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, &ctx->ap, 5017 ctx->rx_chains_static, 5018 ctx->rx_chains_dynamic); 5019 5020 out_unlock: 5021 mutex_unlock(&mvm->mutex); 5022 } 5023 5024 /* 5025 * This function executes the common part for MLD and non-MLD modes. 5026 * 5027 * Returns true if we're done assigning the chanctx 5028 * (either on failure or success) 5029 */ 5030 static bool 5031 __iwl_mvm_assign_vif_chanctx_common(struct iwl_mvm *mvm, 5032 struct ieee80211_vif *vif, 5033 struct ieee80211_chanctx_conf *ctx, 5034 bool switching_chanctx, int *ret) 5035 { 5036 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5037 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5038 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5039 5040 lockdep_assert_held(&mvm->mutex); 5041 5042 mvmvif->deflink.phy_ctxt = phy_ctxt; 5043 5044 switch (vif->type) { 5045 case NL80211_IFTYPE_AP: 5046 /* only needed if we're switching chanctx (i.e. during CSA) */ 5047 if (switching_chanctx) { 5048 mvmvif->ap_ibss_active = true; 5049 break; 5050 } 5051 fallthrough; 5052 case NL80211_IFTYPE_ADHOC: 5053 /* 5054 * The AP binding flow is handled as part of the start_ap flow 5055 * (in bss_info_changed), similarly for IBSS. 5056 */ 5057 *ret = 0; 5058 return true; 5059 case NL80211_IFTYPE_STATION: 5060 break; 5061 case NL80211_IFTYPE_MONITOR: 5062 /* always disable PS when a monitor interface is active */ 5063 mvmvif->ps_disabled = true; 5064 break; 5065 default: 5066 *ret = -EINVAL; 5067 return true; 5068 } 5069 return false; 5070 } 5071 5072 static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, 5073 struct ieee80211_vif *vif, 5074 struct ieee80211_bss_conf *link_conf, 5075 struct ieee80211_chanctx_conf *ctx, 5076 bool switching_chanctx) 5077 { 5078 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5079 int ret; 5080 5081 if (WARN_ON(!link_conf)) 5082 return -EINVAL; 5083 5084 if (__iwl_mvm_assign_vif_chanctx_common(mvm, vif, ctx, 5085 switching_chanctx, &ret)) 5086 goto out; 5087 5088 ret = iwl_mvm_binding_add_vif(mvm, vif); 5089 if (ret) 5090 goto out; 5091 5092 /* 5093 * Power state must be updated before quotas, 5094 * otherwise fw will complain. 5095 */ 5096 iwl_mvm_power_update_mac(mvm); 5097 5098 /* Setting the quota at this stage is only required for monitor 5099 * interfaces. For the other types, the bss_info changed flow 5100 * will handle quota settings. 5101 */ 5102 if (vif->type == NL80211_IFTYPE_MONITOR) { 5103 mvmvif->monitor_active = true; 5104 ret = iwl_mvm_update_quotas(mvm, false, NULL); 5105 if (ret) 5106 goto out_remove_binding; 5107 5108 ret = iwl_mvm_add_snif_sta(mvm, vif); 5109 if (ret) 5110 goto out_remove_binding; 5111 5112 } 5113 5114 /* Handle binding during CSA */ 5115 if (vif->type == NL80211_IFTYPE_AP) { 5116 iwl_mvm_update_quotas(mvm, false, NULL); 5117 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 5118 } 5119 5120 if (vif->type == NL80211_IFTYPE_STATION) { 5121 if (!switching_chanctx) { 5122 mvmvif->csa_bcn_pending = false; 5123 goto out; 5124 } 5125 5126 mvmvif->csa_bcn_pending = true; 5127 5128 if (!fw_has_capa(&mvm->fw->ucode_capa, 5129 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 5130 u32 duration = 5 * vif->bss_conf.beacon_int; 5131 5132 /* Protect the session to make sure we hear the first 5133 * beacon on the new channel. 5134 */ 5135 iwl_mvm_protect_session(mvm, vif, duration, duration, 5136 vif->bss_conf.beacon_int / 2, 5137 true); 5138 } 5139 5140 iwl_mvm_update_quotas(mvm, false, NULL); 5141 } 5142 5143 goto out; 5144 5145 out_remove_binding: 5146 iwl_mvm_binding_remove_vif(mvm, vif); 5147 iwl_mvm_power_update_mac(mvm); 5148 out: 5149 if (ret) 5150 mvmvif->deflink.phy_ctxt = NULL; 5151 return ret; 5152 } 5153 5154 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, 5155 struct ieee80211_vif *vif, 5156 struct ieee80211_bss_conf *link_conf, 5157 struct ieee80211_chanctx_conf *ctx) 5158 { 5159 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5160 int ret; 5161 5162 mutex_lock(&mvm->mutex); 5163 ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, link_conf, ctx, false); 5164 mutex_unlock(&mvm->mutex); 5165 5166 return ret; 5167 } 5168 5169 /* 5170 * This function executes the common part for MLD and non-MLD modes. 5171 * 5172 * Returns if chanctx unassign chanctx is done 5173 * (either on failure or success) 5174 */ 5175 static bool __iwl_mvm_unassign_vif_chanctx_common(struct iwl_mvm *mvm, 5176 struct ieee80211_vif *vif, 5177 bool switching_chanctx) 5178 { 5179 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5180 5181 lockdep_assert_held(&mvm->mutex); 5182 iwl_mvm_remove_time_event(mvm, mvmvif, 5183 &mvmvif->time_event_data); 5184 5185 switch (vif->type) { 5186 case NL80211_IFTYPE_ADHOC: 5187 return true; 5188 case NL80211_IFTYPE_MONITOR: 5189 mvmvif->monitor_active = false; 5190 mvmvif->ps_disabled = false; 5191 break; 5192 case NL80211_IFTYPE_AP: 5193 /* This part is triggered only during CSA */ 5194 if (!switching_chanctx || !mvmvif->ap_ibss_active) 5195 return true; 5196 5197 mvmvif->csa_countdown = false; 5198 5199 /* Set CS bit on all the stations */ 5200 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); 5201 5202 /* Save blocked iface, the timeout is set on the next beacon */ 5203 rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); 5204 5205 mvmvif->ap_ibss_active = false; 5206 break; 5207 default: 5208 break; 5209 } 5210 return false; 5211 } 5212 5213 static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, 5214 struct ieee80211_vif *vif, 5215 struct ieee80211_bss_conf *link_conf, 5216 struct ieee80211_chanctx_conf *ctx, 5217 bool switching_chanctx) 5218 { 5219 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5220 struct ieee80211_vif *disabled_vif = NULL; 5221 5222 if (__iwl_mvm_unassign_vif_chanctx_common(mvm, vif, switching_chanctx)) 5223 goto out; 5224 5225 if (vif->type == NL80211_IFTYPE_MONITOR) 5226 iwl_mvm_rm_snif_sta(mvm, vif); 5227 5228 5229 if (vif->type == NL80211_IFTYPE_STATION && switching_chanctx) { 5230 disabled_vif = vif; 5231 if (!fw_has_capa(&mvm->fw->ucode_capa, 5232 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 5233 iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); 5234 } 5235 5236 iwl_mvm_update_quotas(mvm, false, disabled_vif); 5237 iwl_mvm_binding_remove_vif(mvm, vif); 5238 5239 out: 5240 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD) && 5241 switching_chanctx) 5242 return; 5243 mvmvif->deflink.phy_ctxt = NULL; 5244 iwl_mvm_power_update_mac(mvm); 5245 } 5246 5247 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, 5248 struct ieee80211_vif *vif, 5249 struct ieee80211_bss_conf *link_conf, 5250 struct ieee80211_chanctx_conf *ctx) 5251 { 5252 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5253 5254 mutex_lock(&mvm->mutex); 5255 __iwl_mvm_unassign_vif_chanctx(mvm, vif, link_conf, ctx, false); 5256 mutex_unlock(&mvm->mutex); 5257 } 5258 5259 static int 5260 iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, 5261 struct ieee80211_vif_chanctx_switch *vifs, 5262 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5263 { 5264 int ret; 5265 5266 mutex_lock(&mvm->mutex); 5267 ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5268 vifs[0].old_ctx, true); 5269 __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); 5270 5271 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); 5272 if (ret) { 5273 IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); 5274 goto out_reassign; 5275 } 5276 5277 ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5278 vifs[0].new_ctx, true); 5279 if (ret) { 5280 IWL_ERR(mvm, 5281 "failed to assign new_ctx during channel switch\n"); 5282 goto out_remove; 5283 } 5284 5285 /* we don't support TDLS during DCM - can be caused by channel switch */ 5286 if (iwl_mvm_phy_ctx_count(mvm) > 1) 5287 iwl_mvm_teardown_tdls_peers(mvm); 5288 5289 goto out; 5290 5291 out_remove: 5292 __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); 5293 5294 out_reassign: 5295 if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { 5296 IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); 5297 goto out_restart; 5298 } 5299 5300 if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5301 vifs[0].old_ctx, true)) { 5302 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5303 goto out_restart; 5304 } 5305 5306 goto out; 5307 5308 out_restart: 5309 /* things keep failing, better restart the hw */ 5310 iwl_mvm_nic_restart(mvm, false); 5311 5312 out: 5313 mutex_unlock(&mvm->mutex); 5314 5315 return ret; 5316 } 5317 5318 static int 5319 iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, 5320 struct ieee80211_vif_chanctx_switch *vifs, 5321 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5322 { 5323 int ret; 5324 5325 mutex_lock(&mvm->mutex); 5326 ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5327 vifs[0].old_ctx, true); 5328 5329 ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5330 vifs[0].new_ctx, true); 5331 if (ret) { 5332 IWL_ERR(mvm, 5333 "failed to assign new_ctx during channel switch\n"); 5334 goto out_reassign; 5335 } 5336 5337 goto out; 5338 5339 out_reassign: 5340 if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5341 vifs[0].old_ctx, true)) { 5342 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5343 goto out_restart; 5344 } 5345 5346 goto out; 5347 5348 out_restart: 5349 /* things keep failing, better restart the hw */ 5350 iwl_mvm_nic_restart(mvm, false); 5351 5352 out: 5353 mutex_unlock(&mvm->mutex); 5354 5355 return ret; 5356 } 5357 5358 /* Execute the common part for both MLD and non-MLD modes */ 5359 int 5360 iwl_mvm_switch_vif_chanctx_common(struct ieee80211_hw *hw, 5361 struct ieee80211_vif_chanctx_switch *vifs, 5362 int n_vifs, 5363 enum ieee80211_chanctx_switch_mode mode, 5364 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5365 { 5366 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5367 int ret; 5368 5369 /* we only support a single-vif right now */ 5370 if (n_vifs > 1) 5371 return -EOPNOTSUPP; 5372 5373 switch (mode) { 5374 case CHANCTX_SWMODE_SWAP_CONTEXTS: 5375 ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs, ops); 5376 break; 5377 case CHANCTX_SWMODE_REASSIGN_VIF: 5378 ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs, ops); 5379 break; 5380 default: 5381 ret = -EOPNOTSUPP; 5382 break; 5383 } 5384 5385 return ret; 5386 } 5387 5388 static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, 5389 struct ieee80211_vif_chanctx_switch *vifs, 5390 int n_vifs, 5391 enum ieee80211_chanctx_switch_mode mode) 5392 { 5393 static const struct iwl_mvm_switch_vif_chanctx_ops ops = { 5394 .__assign_vif_chanctx = __iwl_mvm_assign_vif_chanctx, 5395 .__unassign_vif_chanctx = __iwl_mvm_unassign_vif_chanctx, 5396 }; 5397 5398 return iwl_mvm_switch_vif_chanctx_common(hw, vifs, n_vifs, mode, &ops); 5399 } 5400 5401 int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) 5402 { 5403 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5404 5405 return mvm->ibss_manager; 5406 } 5407 5408 static int iwl_mvm_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 5409 bool set) 5410 { 5411 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5412 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 5413 5414 if (!mvm_sta || !mvm_sta->vif) { 5415 IWL_ERR(mvm, "Station is not associated to a vif\n"); 5416 return -EINVAL; 5417 } 5418 5419 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif, 5420 &mvm_sta->vif->bss_conf); 5421 } 5422 5423 #ifdef CONFIG_NL80211_TESTMODE 5424 static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { 5425 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, 5426 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, 5427 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, 5428 }; 5429 5430 static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, 5431 struct ieee80211_vif *vif, 5432 void *data, int len) 5433 { 5434 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; 5435 int err; 5436 u32 noa_duration; 5437 5438 err = nla_parse_deprecated(tb, IWL_MVM_TM_ATTR_MAX, data, len, 5439 iwl_mvm_tm_policy, NULL); 5440 if (err) 5441 return err; 5442 5443 if (!tb[IWL_MVM_TM_ATTR_CMD]) 5444 return -EINVAL; 5445 5446 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { 5447 case IWL_MVM_TM_CMD_SET_NOA: 5448 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || 5449 !vif->bss_conf.enable_beacon || 5450 !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) 5451 return -EINVAL; 5452 5453 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); 5454 if (noa_duration >= vif->bss_conf.beacon_int) 5455 return -EINVAL; 5456 5457 mvm->noa_duration = noa_duration; 5458 mvm->noa_vif = vif; 5459 5460 return iwl_mvm_update_quotas(mvm, true, NULL); 5461 case IWL_MVM_TM_CMD_SET_BEACON_FILTER: 5462 /* must be associated client vif - ignore authorized */ 5463 if (!vif || vif->type != NL80211_IFTYPE_STATION || 5464 !vif->cfg.assoc || !vif->bss_conf.dtim_period || 5465 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) 5466 return -EINVAL; 5467 5468 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) 5469 return iwl_mvm_enable_beacon_filter(mvm, vif); 5470 return iwl_mvm_disable_beacon_filter(mvm, vif); 5471 } 5472 5473 return -EOPNOTSUPP; 5474 } 5475 5476 int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, 5477 struct ieee80211_vif *vif, 5478 void *data, int len) 5479 { 5480 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5481 int err; 5482 5483 mutex_lock(&mvm->mutex); 5484 err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); 5485 mutex_unlock(&mvm->mutex); 5486 5487 return err; 5488 } 5489 #endif 5490 5491 void iwl_mvm_channel_switch(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5492 struct ieee80211_channel_switch *chsw) 5493 { 5494 /* By implementing this operation, we prevent mac80211 from 5495 * starting its own channel switch timer, so that we can call 5496 * ieee80211_chswitch_done() ourselves at the right time 5497 * (which is when the absence time event starts). 5498 */ 5499 5500 IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), 5501 "dummy channel switch op\n"); 5502 } 5503 5504 static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm, 5505 struct ieee80211_vif *vif, 5506 struct ieee80211_channel_switch *chsw) 5507 { 5508 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5509 struct iwl_chan_switch_te_cmd cmd = { 5510 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 5511 mvmvif->color)), 5512 .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 5513 .tsf = cpu_to_le32(chsw->timestamp), 5514 .cs_count = chsw->count, 5515 .cs_mode = chsw->block_tx, 5516 }; 5517 5518 lockdep_assert_held(&mvm->mutex); 5519 5520 if (chsw->delay) 5521 cmd.cs_delayed_bcn_count = 5522 DIV_ROUND_UP(chsw->delay, vif->bss_conf.beacon_int); 5523 5524 return iwl_mvm_send_cmd_pdu(mvm, 5525 WIDE_ID(MAC_CONF_GROUP, 5526 CHANNEL_SWITCH_TIME_EVENT_CMD), 5527 0, sizeof(cmd), &cmd); 5528 } 5529 5530 static int iwl_mvm_old_pre_chan_sw_sta(struct iwl_mvm *mvm, 5531 struct ieee80211_vif *vif, 5532 struct ieee80211_channel_switch *chsw) 5533 { 5534 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5535 u32 apply_time; 5536 5537 /* Schedule the time event to a bit before beacon 1, 5538 * to make sure we're in the new channel when the 5539 * GO/AP arrives. In case count <= 1 immediately schedule the 5540 * TE (this might result with some packet loss or connection 5541 * loss). 5542 */ 5543 if (chsw->count <= 1) 5544 apply_time = 0; 5545 else 5546 apply_time = chsw->device_timestamp + 5547 ((vif->bss_conf.beacon_int * (chsw->count - 1) - 5548 IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); 5549 5550 if (chsw->block_tx) 5551 iwl_mvm_csa_client_absent(mvm, vif); 5552 5553 if (mvmvif->bf_enabled) { 5554 int ret = iwl_mvm_disable_beacon_filter(mvm, vif); 5555 5556 if (ret) 5557 return ret; 5558 } 5559 5560 iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, 5561 apply_time); 5562 5563 return 0; 5564 } 5565 5566 static void iwl_mvm_csa_block_txqs(void *data, struct ieee80211_sta *sta) 5567 { 5568 int i; 5569 5570 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) { 5571 struct iwl_mvm_txq *mvmtxq = 5572 iwl_mvm_txq_from_mac80211(sta->txq[i]); 5573 5574 set_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 5575 } 5576 } 5577 5578 #define IWL_MAX_CSA_BLOCK_TX 1500 5579 int iwl_mvm_pre_channel_switch(struct iwl_mvm *mvm, 5580 struct ieee80211_vif *vif, 5581 struct ieee80211_channel_switch *chsw) 5582 { 5583 struct ieee80211_vif *csa_vif; 5584 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5585 struct iwl_mvm_txq *mvmtxq; 5586 int ret; 5587 5588 lockdep_assert_held(&mvm->mutex); 5589 5590 mvmvif->csa_failed = false; 5591 mvmvif->csa_blocks_tx = false; 5592 5593 IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", 5594 chsw->chandef.center_freq1); 5595 5596 iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, 5597 ieee80211_vif_to_wdev(vif), 5598 FW_DBG_TRIGGER_CHANNEL_SWITCH); 5599 5600 switch (vif->type) { 5601 case NL80211_IFTYPE_AP: 5602 csa_vif = 5603 rcu_dereference_protected(mvm->csa_vif, 5604 lockdep_is_held(&mvm->mutex)); 5605 if (WARN_ONCE(csa_vif && csa_vif->bss_conf.csa_active, 5606 "Another CSA is already in progress")) 5607 return -EBUSY; 5608 5609 /* we still didn't unblock tx. prevent new CS meanwhile */ 5610 if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, 5611 lockdep_is_held(&mvm->mutex))) 5612 return -EBUSY; 5613 5614 rcu_assign_pointer(mvm->csa_vif, vif); 5615 5616 if (WARN_ONCE(mvmvif->csa_countdown, 5617 "Previous CSA countdown didn't complete")) 5618 return -EBUSY; 5619 5620 mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; 5621 5622 if (!chsw->block_tx) 5623 break; 5624 /* don't need blocking in driver otherwise - mac80211 will do */ 5625 if (!ieee80211_hw_check(mvm->hw, HANDLES_QUIET_CSA)) 5626 break; 5627 5628 mvmvif->csa_blocks_tx = true; 5629 mvmtxq = iwl_mvm_txq_from_mac80211(vif->txq); 5630 set_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 5631 ieee80211_iterate_stations_atomic(mvm->hw, 5632 iwl_mvm_csa_block_txqs, 5633 NULL); 5634 break; 5635 case NL80211_IFTYPE_STATION: 5636 mvmvif->csa_blocks_tx = chsw->block_tx; 5637 5638 /* 5639 * In the new flow FW is in charge of timing the switch so there 5640 * is no need for all of this 5641 */ 5642 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5643 CHANNEL_SWITCH_ERROR_NOTIF, 5644 0)) 5645 break; 5646 5647 /* 5648 * We haven't configured the firmware to be associated yet since 5649 * we don't know the dtim period. In this case, the firmware can't 5650 * track the beacons. 5651 */ 5652 if (!vif->cfg.assoc || !vif->bss_conf.dtim_period) 5653 return -EBUSY; 5654 5655 if (chsw->delay > IWL_MAX_CSA_BLOCK_TX && 5656 hweight16(vif->valid_links) <= 1) 5657 schedule_delayed_work(&mvmvif->csa_work, 0); 5658 5659 if (chsw->block_tx) { 5660 /* 5661 * In case of undetermined / long time with immediate 5662 * quiet monitor status to gracefully disconnect 5663 */ 5664 if (!chsw->count || 5665 chsw->count * vif->bss_conf.beacon_int > 5666 IWL_MAX_CSA_BLOCK_TX) 5667 schedule_delayed_work(&mvmvif->csa_work, 5668 msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX)); 5669 } 5670 5671 if (!fw_has_capa(&mvm->fw->ucode_capa, 5672 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 5673 ret = iwl_mvm_old_pre_chan_sw_sta(mvm, vif, chsw); 5674 if (ret) 5675 return ret; 5676 } else { 5677 iwl_mvm_schedule_client_csa(mvm, vif, chsw); 5678 } 5679 5680 mvmvif->csa_count = chsw->count; 5681 mvmvif->csa_misbehave = false; 5682 break; 5683 default: 5684 break; 5685 } 5686 5687 mvmvif->ps_disabled = true; 5688 5689 ret = iwl_mvm_power_update_ps(mvm); 5690 if (ret) 5691 return ret; 5692 5693 /* we won't be on this channel any longer */ 5694 iwl_mvm_teardown_tdls_peers(mvm); 5695 5696 return ret; 5697 } 5698 5699 static int iwl_mvm_mac_pre_channel_switch(struct ieee80211_hw *hw, 5700 struct ieee80211_vif *vif, 5701 struct ieee80211_channel_switch *chsw) 5702 { 5703 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5704 int ret; 5705 5706 mutex_lock(&mvm->mutex); 5707 ret = iwl_mvm_pre_channel_switch(mvm, vif, chsw); 5708 mutex_unlock(&mvm->mutex); 5709 5710 return ret; 5711 } 5712 5713 void iwl_mvm_channel_switch_rx_beacon(struct ieee80211_hw *hw, 5714 struct ieee80211_vif *vif, 5715 struct ieee80211_channel_switch *chsw) 5716 { 5717 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5718 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5719 struct iwl_chan_switch_te_cmd cmd = { 5720 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 5721 mvmvif->color)), 5722 .action = cpu_to_le32(FW_CTXT_ACTION_MODIFY), 5723 .tsf = cpu_to_le32(chsw->timestamp), 5724 .cs_count = chsw->count, 5725 .cs_mode = chsw->block_tx, 5726 }; 5727 5728 /* 5729 * In the new flow FW is in charge of timing the switch so there is no 5730 * need for all of this 5731 */ 5732 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5733 CHANNEL_SWITCH_ERROR_NOTIF, 0)) 5734 return; 5735 5736 if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CS_MODIFY)) 5737 return; 5738 5739 IWL_DEBUG_MAC80211(mvm, "Modify CSA on mac %d count = %d (old %d) mode = %d\n", 5740 mvmvif->id, chsw->count, mvmvif->csa_count, chsw->block_tx); 5741 5742 if (chsw->count >= mvmvif->csa_count && chsw->block_tx) { 5743 if (mvmvif->csa_misbehave) { 5744 struct ieee80211_bss_conf *link_conf; 5745 5746 /* Second time, give up on this AP*/ 5747 5748 link_conf = wiphy_dereference(hw->wiphy, 5749 vif->link_conf[chsw->link_id]); 5750 if (WARN_ON(!link_conf)) 5751 return; 5752 5753 iwl_mvm_abort_channel_switch(hw, vif, link_conf); 5754 ieee80211_chswitch_done(vif, false, 0); 5755 mvmvif->csa_misbehave = false; 5756 return; 5757 } 5758 mvmvif->csa_misbehave = true; 5759 } 5760 mvmvif->csa_count = chsw->count; 5761 5762 mutex_lock(&mvm->mutex); 5763 if (mvmvif->csa_failed) 5764 goto out_unlock; 5765 5766 WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 5767 WIDE_ID(MAC_CONF_GROUP, 5768 CHANNEL_SWITCH_TIME_EVENT_CMD), 5769 0, sizeof(cmd), &cmd)); 5770 out_unlock: 5771 mutex_unlock(&mvm->mutex); 5772 } 5773 5774 static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) 5775 { 5776 int i; 5777 5778 if (!iwl_mvm_has_new_tx_api(mvm)) { 5779 if (drop) { 5780 mutex_lock(&mvm->mutex); 5781 iwl_mvm_flush_tx_path(mvm, 5782 iwl_mvm_flushable_queues(mvm) & queues); 5783 mutex_unlock(&mvm->mutex); 5784 } else { 5785 iwl_trans_wait_tx_queues_empty(mvm->trans, queues); 5786 } 5787 return; 5788 } 5789 5790 mutex_lock(&mvm->mutex); 5791 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5792 struct ieee80211_sta *sta; 5793 5794 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 5795 lockdep_is_held(&mvm->mutex)); 5796 if (IS_ERR_OR_NULL(sta)) 5797 continue; 5798 5799 if (drop) 5800 iwl_mvm_flush_sta_tids(mvm, i, 0xFFFF); 5801 else 5802 iwl_mvm_wait_sta_queues_empty(mvm, 5803 iwl_mvm_sta_from_mac80211(sta)); 5804 } 5805 mutex_unlock(&mvm->mutex); 5806 } 5807 5808 void iwl_mvm_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5809 u32 queues, bool drop) 5810 { 5811 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5812 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5813 struct iwl_mvm_sta *mvmsta; 5814 struct ieee80211_sta *sta; 5815 bool ap_sta_done = false; 5816 int i; 5817 u32 msk = 0; 5818 5819 if (!vif) { 5820 iwl_mvm_flush_no_vif(mvm, queues, drop); 5821 return; 5822 } 5823 5824 if (!drop && hweight16(vif->active_links) <= 1) { 5825 int link_id = vif->active_links ? __ffs(vif->active_links) : 0; 5826 struct ieee80211_bss_conf *link_conf; 5827 5828 link_conf = wiphy_dereference(hw->wiphy, 5829 vif->link_conf[link_id]); 5830 if (WARN_ON(!link_conf)) 5831 return; 5832 if (link_conf->csa_active && mvmvif->csa_blocks_tx) 5833 drop = true; 5834 } 5835 5836 /* Make sure we're done with the deferred traffic before flushing */ 5837 flush_work(&mvm->add_stream_wk); 5838 5839 mutex_lock(&mvm->mutex); 5840 5841 /* flush the AP-station and all TDLS peers */ 5842 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5843 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 5844 lockdep_is_held(&mvm->mutex)); 5845 if (IS_ERR_OR_NULL(sta)) 5846 continue; 5847 5848 mvmsta = iwl_mvm_sta_from_mac80211(sta); 5849 if (mvmsta->vif != vif) 5850 continue; 5851 5852 if (sta == mvmvif->ap_sta) { 5853 if (ap_sta_done) 5854 continue; 5855 ap_sta_done = true; 5856 } 5857 5858 if (drop) { 5859 if (iwl_mvm_flush_sta(mvm, mvmsta->deflink.sta_id, 5860 mvmsta->tfd_queue_msk)) 5861 IWL_ERR(mvm, "flush request fail\n"); 5862 } else { 5863 if (iwl_mvm_has_new_tx_api(mvm)) 5864 iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); 5865 else /* only used for !iwl_mvm_has_new_tx_api() below */ 5866 msk |= mvmsta->tfd_queue_msk; 5867 } 5868 } 5869 5870 mutex_unlock(&mvm->mutex); 5871 5872 /* this can take a while, and we may need/want other operations 5873 * to succeed while doing this, so do it without the mutex held 5874 */ 5875 if (!drop && !iwl_mvm_has_new_tx_api(mvm)) 5876 iwl_trans_wait_tx_queues_empty(mvm->trans, msk); 5877 } 5878 5879 void iwl_mvm_mac_flush_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5880 struct ieee80211_sta *sta) 5881 { 5882 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 5883 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5884 struct iwl_mvm_link_sta *mvm_link_sta; 5885 struct ieee80211_link_sta *link_sta; 5886 int link_id; 5887 5888 mutex_lock(&mvm->mutex); 5889 for_each_sta_active_link(vif, sta, link_sta, link_id) { 5890 mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_id], 5891 lockdep_is_held(&mvm->mutex)); 5892 if (!mvm_link_sta) 5893 continue; 5894 5895 if (iwl_mvm_flush_sta(mvm, mvm_link_sta->sta_id, 5896 mvmsta->tfd_queue_msk)) 5897 IWL_ERR(mvm, "flush request fail\n"); 5898 } 5899 mutex_unlock(&mvm->mutex); 5900 } 5901 5902 static int iwl_mvm_mac_get_acs_survey(struct iwl_mvm *mvm, int idx, 5903 struct survey_info *survey) 5904 { 5905 int chan_idx; 5906 enum nl80211_band band; 5907 int ret; 5908 5909 mutex_lock(&mvm->mutex); 5910 5911 if (!mvm->acs_survey) { 5912 ret = -ENOENT; 5913 goto out; 5914 } 5915 5916 /* Find and return the next entry that has a non-zero active time */ 5917 for (band = 0; band < NUM_NL80211_BANDS; band++) { 5918 struct ieee80211_supported_band *sband = 5919 mvm->hw->wiphy->bands[band]; 5920 5921 if (!sband) 5922 continue; 5923 5924 for (chan_idx = 0; chan_idx < sband->n_channels; chan_idx++) { 5925 struct iwl_mvm_acs_survey_channel *info = 5926 &mvm->acs_survey->bands[band][chan_idx]; 5927 5928 if (!info->time) 5929 continue; 5930 5931 /* Found (the next) channel to report */ 5932 survey->channel = &sband->channels[chan_idx]; 5933 survey->filled = SURVEY_INFO_TIME | 5934 SURVEY_INFO_TIME_BUSY | 5935 SURVEY_INFO_TIME_RX | 5936 SURVEY_INFO_TIME_TX; 5937 survey->time = info->time; 5938 survey->time_busy = info->time_busy; 5939 survey->time_rx = info->time_rx; 5940 survey->time_tx = info->time_tx; 5941 survey->noise = info->noise; 5942 if (survey->noise < 0) 5943 survey->filled |= SURVEY_INFO_NOISE_DBM; 5944 5945 /* Clear time so that channel is only reported once */ 5946 info->time = 0; 5947 5948 ret = 0; 5949 goto out; 5950 } 5951 } 5952 5953 ret = -ENOENT; 5954 5955 out: 5956 mutex_unlock(&mvm->mutex); 5957 5958 return ret; 5959 } 5960 5961 int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, 5962 struct survey_info *survey) 5963 { 5964 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5965 int ret = 0; 5966 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, 5967 WIDE_ID(SYSTEM_GROUP, 5968 SYSTEM_STATISTICS_CMD), 5969 IWL_FW_CMD_VER_UNKNOWN); 5970 5971 memset(survey, 0, sizeof(*survey)); 5972 5973 if (!fw_has_capa(&mvm->fw->ucode_capa, 5974 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 5975 return -ENOENT; 5976 5977 /* 5978 * Return the beacon stats at index zero and pass on following indices 5979 * to the function returning the full survey, most likely for ACS 5980 * (Automatic Channel Selection). 5981 */ 5982 if (idx > 0) 5983 return iwl_mvm_mac_get_acs_survey(mvm, idx - 1, survey); 5984 5985 mutex_lock(&mvm->mutex); 5986 5987 if (iwl_mvm_firmware_running(mvm)) { 5988 ret = iwl_mvm_request_statistics(mvm, false); 5989 if (ret) 5990 goto out; 5991 } 5992 5993 survey->filled = SURVEY_INFO_TIME_RX | 5994 SURVEY_INFO_TIME_TX; 5995 5996 survey->time_rx = mvm->accu_radio_stats.rx_time + 5997 mvm->radio_stats.rx_time; 5998 do_div(survey->time_rx, USEC_PER_MSEC); 5999 6000 survey->time_tx = mvm->accu_radio_stats.tx_time + 6001 mvm->radio_stats.tx_time; 6002 do_div(survey->time_tx, USEC_PER_MSEC); 6003 6004 /* the new fw api doesn't support the following fields */ 6005 if (cmd_ver != IWL_FW_CMD_VER_UNKNOWN) 6006 goto out; 6007 6008 survey->filled |= SURVEY_INFO_TIME | 6009 SURVEY_INFO_TIME_SCAN; 6010 survey->time = mvm->accu_radio_stats.on_time_rf + 6011 mvm->radio_stats.on_time_rf; 6012 do_div(survey->time, USEC_PER_MSEC); 6013 6014 survey->time_scan = mvm->accu_radio_stats.on_time_scan + 6015 mvm->radio_stats.on_time_scan; 6016 do_div(survey->time_scan, USEC_PER_MSEC); 6017 6018 out: 6019 mutex_unlock(&mvm->mutex); 6020 return ret; 6021 } 6022 6023 static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo) 6024 { 6025 u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK; 6026 u32 gi_ltf; 6027 6028 switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { 6029 case RATE_MCS_CHAN_WIDTH_20: 6030 rinfo->bw = RATE_INFO_BW_20; 6031 break; 6032 case RATE_MCS_CHAN_WIDTH_40: 6033 rinfo->bw = RATE_INFO_BW_40; 6034 break; 6035 case RATE_MCS_CHAN_WIDTH_80: 6036 rinfo->bw = RATE_INFO_BW_80; 6037 break; 6038 case RATE_MCS_CHAN_WIDTH_160: 6039 rinfo->bw = RATE_INFO_BW_160; 6040 break; 6041 case RATE_MCS_CHAN_WIDTH_320: 6042 rinfo->bw = RATE_INFO_BW_320; 6043 break; 6044 } 6045 6046 if (format == RATE_MCS_CCK_MSK || 6047 format == RATE_MCS_LEGACY_OFDM_MSK) { 6048 int rate = u32_get_bits(rate_n_flags, RATE_LEGACY_RATE_MSK); 6049 6050 /* add the offset needed to get to the legacy ofdm indices */ 6051 if (format == RATE_MCS_LEGACY_OFDM_MSK) 6052 rate += IWL_FIRST_OFDM_RATE; 6053 6054 switch (rate) { 6055 case IWL_RATE_1M_INDEX: 6056 rinfo->legacy = 10; 6057 break; 6058 case IWL_RATE_2M_INDEX: 6059 rinfo->legacy = 20; 6060 break; 6061 case IWL_RATE_5M_INDEX: 6062 rinfo->legacy = 55; 6063 break; 6064 case IWL_RATE_11M_INDEX: 6065 rinfo->legacy = 110; 6066 break; 6067 case IWL_RATE_6M_INDEX: 6068 rinfo->legacy = 60; 6069 break; 6070 case IWL_RATE_9M_INDEX: 6071 rinfo->legacy = 90; 6072 break; 6073 case IWL_RATE_12M_INDEX: 6074 rinfo->legacy = 120; 6075 break; 6076 case IWL_RATE_18M_INDEX: 6077 rinfo->legacy = 180; 6078 break; 6079 case IWL_RATE_24M_INDEX: 6080 rinfo->legacy = 240; 6081 break; 6082 case IWL_RATE_36M_INDEX: 6083 rinfo->legacy = 360; 6084 break; 6085 case IWL_RATE_48M_INDEX: 6086 rinfo->legacy = 480; 6087 break; 6088 case IWL_RATE_54M_INDEX: 6089 rinfo->legacy = 540; 6090 } 6091 return; 6092 } 6093 6094 rinfo->nss = u32_get_bits(rate_n_flags, 6095 RATE_MCS_NSS_MSK) + 1; 6096 rinfo->mcs = format == RATE_MCS_HT_MSK ? 6097 RATE_HT_MCS_INDEX(rate_n_flags) : 6098 u32_get_bits(rate_n_flags, RATE_MCS_CODE_MSK); 6099 6100 if (rate_n_flags & RATE_MCS_SGI_MSK) 6101 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 6102 6103 switch (format) { 6104 case RATE_MCS_EHT_MSK: 6105 /* TODO: GI/LTF/RU. How does the firmware encode them? */ 6106 rinfo->flags |= RATE_INFO_FLAGS_EHT_MCS; 6107 break; 6108 case RATE_MCS_HE_MSK: 6109 gi_ltf = u32_get_bits(rate_n_flags, RATE_MCS_HE_GI_LTF_MSK); 6110 6111 rinfo->flags |= RATE_INFO_FLAGS_HE_MCS; 6112 6113 if (rate_n_flags & RATE_MCS_HE_106T_MSK) { 6114 rinfo->bw = RATE_INFO_BW_HE_RU; 6115 rinfo->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106; 6116 } 6117 6118 switch (rate_n_flags & RATE_MCS_HE_TYPE_MSK) { 6119 case RATE_MCS_HE_TYPE_SU: 6120 case RATE_MCS_HE_TYPE_EXT_SU: 6121 if (gi_ltf == 0 || gi_ltf == 1) 6122 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6123 else if (gi_ltf == 2) 6124 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6125 else if (gi_ltf == 3) 6126 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6127 else 6128 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6129 break; 6130 case RATE_MCS_HE_TYPE_MU: 6131 if (gi_ltf == 0 || gi_ltf == 1) 6132 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6133 else if (gi_ltf == 2) 6134 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6135 else 6136 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6137 break; 6138 case RATE_MCS_HE_TYPE_TRIG: 6139 if (gi_ltf == 0 || gi_ltf == 1) 6140 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6141 else 6142 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6143 break; 6144 } 6145 6146 if (rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK) 6147 rinfo->he_dcm = 1; 6148 break; 6149 case RATE_MCS_HT_MSK: 6150 rinfo->flags |= RATE_INFO_FLAGS_MCS; 6151 break; 6152 case RATE_MCS_VHT_MSK: 6153 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 6154 break; 6155 } 6156 } 6157 6158 void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, 6159 struct ieee80211_vif *vif, 6160 struct ieee80211_sta *sta, 6161 struct station_info *sinfo) 6162 { 6163 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6164 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 6165 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 6166 int i; 6167 6168 if (mvmsta->deflink.avg_energy) { 6169 sinfo->signal_avg = -(s8)mvmsta->deflink.avg_energy; 6170 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 6171 } 6172 6173 if (iwl_mvm_has_tlc_offload(mvm)) { 6174 struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->deflink.lq_sta.rs_fw; 6175 6176 iwl_mvm_set_sta_rate(lq_sta->last_rate_n_flags, &sinfo->txrate); 6177 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 6178 } 6179 6180 /* if beacon filtering isn't on mac80211 does it anyway */ 6181 if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) 6182 return; 6183 6184 if (!vif->cfg.assoc) 6185 return; 6186 6187 mutex_lock(&mvm->mutex); 6188 6189 if (mvmvif->deflink.ap_sta_id != mvmsta->deflink.sta_id) 6190 goto unlock; 6191 6192 if (iwl_mvm_request_statistics(mvm, false)) 6193 goto unlock; 6194 6195 sinfo->rx_beacon = 0; 6196 for_each_mvm_vif_valid_link(mvmvif, i) 6197 sinfo->rx_beacon += mvmvif->link[i]->beacon_stats.num_beacons + 6198 mvmvif->link[i]->beacon_stats.accu_num_beacons; 6199 6200 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); 6201 if (mvmvif->deflink.beacon_stats.avg_signal) { 6202 /* firmware only reports a value after RXing a few beacons */ 6203 sinfo->rx_beacon_signal_avg = 6204 mvmvif->deflink.beacon_stats.avg_signal; 6205 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); 6206 } 6207 unlock: 6208 mutex_unlock(&mvm->mutex); 6209 } 6210 6211 static void iwl_mvm_event_mlme_callback_ini(struct iwl_mvm *mvm, 6212 struct ieee80211_vif *vif, 6213 const struct ieee80211_mlme_event *mlme) 6214 { 6215 if ((mlme->data == ASSOC_EVENT || mlme->data == AUTH_EVENT) && 6216 (mlme->status == MLME_DENIED || mlme->status == MLME_TIMEOUT)) { 6217 iwl_dbg_tlv_time_point(&mvm->fwrt, 6218 IWL_FW_INI_TIME_POINT_ASSOC_FAILED, 6219 NULL); 6220 return; 6221 } 6222 6223 if (mlme->data == DEAUTH_RX_EVENT || mlme->data == DEAUTH_TX_EVENT) { 6224 iwl_dbg_tlv_time_point(&mvm->fwrt, 6225 IWL_FW_INI_TIME_POINT_DEASSOC, 6226 NULL); 6227 return; 6228 } 6229 } 6230 6231 static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, 6232 struct ieee80211_vif *vif, 6233 const struct ieee80211_event *event) 6234 { 6235 #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ 6236 do { \ 6237 if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ 6238 break; \ 6239 iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ 6240 } while (0) 6241 6242 struct iwl_fw_dbg_trigger_tlv *trig; 6243 struct iwl_fw_dbg_trigger_mlme *trig_mlme; 6244 6245 if (iwl_trans_dbg_ini_valid(mvm->trans)) { 6246 iwl_mvm_event_mlme_callback_ini(mvm, vif, &event->u.mlme); 6247 return; 6248 } 6249 6250 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 6251 FW_DBG_TRIGGER_MLME); 6252 if (!trig) 6253 return; 6254 6255 trig_mlme = (void *)trig->data; 6256 6257 if (event->u.mlme.data == ASSOC_EVENT) { 6258 if (event->u.mlme.status == MLME_DENIED) 6259 CHECK_MLME_TRIGGER(stop_assoc_denied, 6260 "DENIED ASSOC: reason %d", 6261 event->u.mlme.reason); 6262 else if (event->u.mlme.status == MLME_TIMEOUT) 6263 CHECK_MLME_TRIGGER(stop_assoc_timeout, 6264 "ASSOC TIMEOUT"); 6265 } else if (event->u.mlme.data == AUTH_EVENT) { 6266 if (event->u.mlme.status == MLME_DENIED) 6267 CHECK_MLME_TRIGGER(stop_auth_denied, 6268 "DENIED AUTH: reason %d", 6269 event->u.mlme.reason); 6270 else if (event->u.mlme.status == MLME_TIMEOUT) 6271 CHECK_MLME_TRIGGER(stop_auth_timeout, 6272 "AUTH TIMEOUT"); 6273 } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { 6274 CHECK_MLME_TRIGGER(stop_rx_deauth, 6275 "DEAUTH RX %d", event->u.mlme.reason); 6276 } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { 6277 CHECK_MLME_TRIGGER(stop_tx_deauth, 6278 "DEAUTH TX %d", event->u.mlme.reason); 6279 } 6280 #undef CHECK_MLME_TRIGGER 6281 } 6282 6283 static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, 6284 struct ieee80211_vif *vif, 6285 const struct ieee80211_event *event) 6286 { 6287 struct iwl_fw_dbg_trigger_tlv *trig; 6288 struct iwl_fw_dbg_trigger_ba *ba_trig; 6289 6290 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 6291 FW_DBG_TRIGGER_BA); 6292 if (!trig) 6293 return; 6294 6295 ba_trig = (void *)trig->data; 6296 6297 if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) 6298 return; 6299 6300 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 6301 "BAR received from %pM, tid %d, ssn %d", 6302 event->u.ba.sta->addr, event->u.ba.tid, 6303 event->u.ba.ssn); 6304 } 6305 6306 void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, 6307 struct ieee80211_vif *vif, 6308 const struct ieee80211_event *event) 6309 { 6310 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6311 6312 switch (event->type) { 6313 case MLME_EVENT: 6314 iwl_mvm_event_mlme_callback(mvm, vif, event); 6315 break; 6316 case BAR_RX_EVENT: 6317 iwl_mvm_event_bar_rx_callback(mvm, vif, event); 6318 break; 6319 case BA_FRAME_TIMEOUT: 6320 iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, 6321 event->u.ba.tid); 6322 break; 6323 default: 6324 break; 6325 } 6326 } 6327 6328 #define SYNC_RX_QUEUE_TIMEOUT (HZ) 6329 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 6330 enum iwl_mvm_rxq_notif_type type, 6331 bool sync, 6332 const void *data, u32 size) 6333 { 6334 struct { 6335 struct iwl_rxq_sync_cmd cmd; 6336 struct iwl_mvm_internal_rxq_notif notif; 6337 } __packed cmd = { 6338 .cmd.rxq_mask = cpu_to_le32(BIT(mvm->trans->num_rx_queues) - 1), 6339 .cmd.count = 6340 cpu_to_le32(sizeof(struct iwl_mvm_internal_rxq_notif) + 6341 size), 6342 .notif.type = type, 6343 .notif.sync = sync, 6344 }; 6345 struct iwl_host_cmd hcmd = { 6346 .id = WIDE_ID(DATA_PATH_GROUP, TRIGGER_RX_QUEUES_NOTIF_CMD), 6347 .data[0] = &cmd, 6348 .len[0] = sizeof(cmd), 6349 .data[1] = data, 6350 .len[1] = size, 6351 .flags = sync ? 0 : CMD_ASYNC, 6352 }; 6353 int ret; 6354 6355 /* size must be a multiple of DWORD */ 6356 if (WARN_ON(cmd.cmd.count & cpu_to_le32(3))) 6357 return; 6358 6359 if (!iwl_mvm_has_new_rx_api(mvm)) 6360 return; 6361 6362 if (sync) { 6363 cmd.notif.cookie = mvm->queue_sync_cookie; 6364 mvm->queue_sync_state = (1 << mvm->trans->num_rx_queues) - 1; 6365 } 6366 6367 ret = iwl_mvm_send_cmd(mvm, &hcmd); 6368 if (ret) { 6369 IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); 6370 goto out; 6371 } 6372 6373 if (sync) { 6374 lockdep_assert_held(&mvm->mutex); 6375 ret = wait_event_timeout(mvm->rx_sync_waitq, 6376 READ_ONCE(mvm->queue_sync_state) == 0 || 6377 iwl_mvm_is_radio_hw_killed(mvm), 6378 SYNC_RX_QUEUE_TIMEOUT); 6379 WARN_ONCE(!ret && !iwl_mvm_is_radio_hw_killed(mvm), 6380 "queue sync: failed to sync, state is 0x%lx, cookie %d\n", 6381 mvm->queue_sync_state, 6382 mvm->queue_sync_cookie); 6383 } 6384 6385 out: 6386 if (sync) { 6387 mvm->queue_sync_state = 0; 6388 mvm->queue_sync_cookie++; 6389 } 6390 } 6391 6392 void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) 6393 { 6394 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6395 6396 mutex_lock(&mvm->mutex); 6397 iwl_mvm_sync_rx_queues_internal(mvm, IWL_MVM_RXQ_EMPTY, true, NULL, 0); 6398 mutex_unlock(&mvm->mutex); 6399 } 6400 6401 int 6402 iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw, 6403 struct ieee80211_vif *vif, 6404 struct cfg80211_ftm_responder_stats *stats) 6405 { 6406 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6407 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 6408 6409 if (vif->p2p || vif->type != NL80211_IFTYPE_AP || 6410 !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder) 6411 return -EINVAL; 6412 6413 mutex_lock(&mvm->mutex); 6414 *stats = mvm->ftm_resp_stats; 6415 mutex_unlock(&mvm->mutex); 6416 6417 stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) | 6418 BIT(NL80211_FTM_STATS_PARTIAL_NUM) | 6419 BIT(NL80211_FTM_STATS_FAILED_NUM) | 6420 BIT(NL80211_FTM_STATS_ASAP_NUM) | 6421 BIT(NL80211_FTM_STATS_NON_ASAP_NUM) | 6422 BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) | 6423 BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) | 6424 BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) | 6425 BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM); 6426 6427 return 0; 6428 } 6429 6430 int iwl_mvm_start_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 6431 struct cfg80211_pmsr_request *request) 6432 { 6433 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6434 int ret; 6435 6436 mutex_lock(&mvm->mutex); 6437 ret = iwl_mvm_ftm_start(mvm, vif, request); 6438 mutex_unlock(&mvm->mutex); 6439 6440 return ret; 6441 } 6442 6443 void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 6444 struct cfg80211_pmsr_request *request) 6445 { 6446 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6447 6448 mutex_lock(&mvm->mutex); 6449 iwl_mvm_ftm_abort(mvm, request); 6450 mutex_unlock(&mvm->mutex); 6451 } 6452 6453 static bool iwl_mvm_can_hw_csum(struct sk_buff *skb) 6454 { 6455 u8 protocol = ip_hdr(skb)->protocol; 6456 6457 if (!IS_ENABLED(CONFIG_INET)) 6458 return false; 6459 6460 return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP; 6461 } 6462 6463 static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw, 6464 struct sk_buff *head, 6465 struct sk_buff *skb) 6466 { 6467 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6468 6469 /* For now don't aggregate IPv6 in AMSDU */ 6470 if (skb->protocol != htons(ETH_P_IP)) 6471 return false; 6472 6473 if (!iwl_mvm_is_csum_supported(mvm)) 6474 return true; 6475 6476 return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head); 6477 } 6478 6479 int iwl_mvm_set_hw_timestamp(struct ieee80211_hw *hw, 6480 struct ieee80211_vif *vif, 6481 struct cfg80211_set_hw_timestamp *hwts) 6482 { 6483 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6484 u32 protocols = 0; 6485 int ret; 6486 6487 /* HW timestamping is only supported for a specific station */ 6488 if (!hwts->macaddr) 6489 return -EOPNOTSUPP; 6490 6491 if (hwts->enable) 6492 protocols = 6493 IWL_TIME_SYNC_PROTOCOL_TM | IWL_TIME_SYNC_PROTOCOL_FTM; 6494 6495 mutex_lock(&mvm->mutex); 6496 ret = iwl_mvm_time_sync_config(mvm, hwts->macaddr, protocols); 6497 mutex_unlock(&mvm->mutex); 6498 6499 return ret; 6500 } 6501 6502 const struct ieee80211_ops iwl_mvm_hw_ops = { 6503 .tx = iwl_mvm_mac_tx, 6504 .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, 6505 .ampdu_action = iwl_mvm_mac_ampdu_action, 6506 .get_antenna = iwl_mvm_op_get_antenna, 6507 .set_antenna = iwl_mvm_op_set_antenna, 6508 .start = iwl_mvm_mac_start, 6509 .reconfig_complete = iwl_mvm_mac_reconfig_complete, 6510 .stop = iwl_mvm_mac_stop, 6511 .add_interface = iwl_mvm_mac_add_interface, 6512 .remove_interface = iwl_mvm_mac_remove_interface, 6513 .config = iwl_mvm_mac_config, 6514 .prepare_multicast = iwl_mvm_prepare_multicast, 6515 .configure_filter = iwl_mvm_configure_filter, 6516 .config_iface_filter = iwl_mvm_config_iface_filter, 6517 .bss_info_changed = iwl_mvm_bss_info_changed, 6518 .hw_scan = iwl_mvm_mac_hw_scan, 6519 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, 6520 .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, 6521 .sta_state = iwl_mvm_mac_sta_state, 6522 .sta_notify = iwl_mvm_mac_sta_notify, 6523 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, 6524 .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, 6525 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, 6526 .sta_rc_update = iwl_mvm_sta_rc_update, 6527 .conf_tx = iwl_mvm_mac_conf_tx, 6528 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, 6529 .mgd_complete_tx = iwl_mvm_mac_mgd_complete_tx, 6530 .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, 6531 .flush = iwl_mvm_mac_flush, 6532 .flush_sta = iwl_mvm_mac_flush_sta, 6533 .sched_scan_start = iwl_mvm_mac_sched_scan_start, 6534 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, 6535 .set_key = iwl_mvm_mac_set_key, 6536 .update_tkip_key = iwl_mvm_mac_update_tkip_key, 6537 .remain_on_channel = iwl_mvm_roc, 6538 .cancel_remain_on_channel = iwl_mvm_cancel_roc, 6539 .add_chanctx = iwl_mvm_add_chanctx, 6540 .remove_chanctx = iwl_mvm_remove_chanctx, 6541 .change_chanctx = iwl_mvm_change_chanctx, 6542 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, 6543 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, 6544 .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, 6545 6546 .start_ap = iwl_mvm_start_ap, 6547 .stop_ap = iwl_mvm_stop_ap, 6548 .join_ibss = iwl_mvm_start_ibss, 6549 .leave_ibss = iwl_mvm_stop_ibss, 6550 6551 .tx_last_beacon = iwl_mvm_tx_last_beacon, 6552 6553 .set_tim = iwl_mvm_set_tim, 6554 6555 .channel_switch = iwl_mvm_channel_switch, 6556 .pre_channel_switch = iwl_mvm_mac_pre_channel_switch, 6557 .post_channel_switch = iwl_mvm_post_channel_switch, 6558 .abort_channel_switch = iwl_mvm_abort_channel_switch, 6559 .channel_switch_rx_beacon = iwl_mvm_channel_switch_rx_beacon, 6560 6561 .tdls_channel_switch = iwl_mvm_tdls_channel_switch, 6562 .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, 6563 .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, 6564 6565 .event_callback = iwl_mvm_mac_event_callback, 6566 6567 .sync_rx_queues = iwl_mvm_sync_rx_queues, 6568 6569 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) 6570 6571 #ifdef CONFIG_PM_SLEEP 6572 /* look at d3.c */ 6573 .suspend = iwl_mvm_suspend, 6574 .resume = iwl_mvm_resume, 6575 .set_wakeup = iwl_mvm_set_wakeup, 6576 .set_rekey_data = iwl_mvm_set_rekey_data, 6577 #if IS_ENABLED(CONFIG_IPV6) 6578 .ipv6_addr_change = iwl_mvm_ipv6_addr_change, 6579 #endif 6580 .set_default_unicast_key = iwl_mvm_set_default_unicast_key, 6581 #endif 6582 .get_survey = iwl_mvm_mac_get_survey, 6583 .sta_statistics = iwl_mvm_mac_sta_statistics, 6584 .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats, 6585 .start_pmsr = iwl_mvm_start_pmsr, 6586 .abort_pmsr = iwl_mvm_abort_pmsr, 6587 6588 .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate, 6589 #ifdef CONFIG_IWLWIFI_DEBUGFS 6590 .vif_add_debugfs = iwl_mvm_vif_add_debugfs, 6591 .link_sta_add_debugfs = iwl_mvm_link_sta_add_debugfs, 6592 #endif 6593 .set_hw_timestamp = iwl_mvm_set_hw_timestamp, 6594 }; 6595