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