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/module.h> 8 #include <linux/rtnetlink.h> 9 #include <linux/vmalloc.h> 10 #include <net/mac80211.h> 11 12 #include "fw/notif-wait.h" 13 #include "iwl-trans.h" 14 #include "iwl-op-mode.h" 15 #include "fw/img.h" 16 #include "iwl-debug.h" 17 #include "iwl-drv.h" 18 #include "iwl-modparams.h" 19 #include "mvm.h" 20 #include "iwl-phy-db.h" 21 #include "iwl-eeprom-parse.h" 22 #include "iwl-csr.h" 23 #include "iwl-io.h" 24 #include "iwl-prph.h" 25 #include "rs.h" 26 #include "fw/api/scan.h" 27 #include "fw/api/rfi.h" 28 #include "time-event.h" 29 #include "fw-api.h" 30 #include "fw/acpi.h" 31 #include "fw/uefi.h" 32 #include "time-sync.h" 33 34 #define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux" 35 MODULE_DESCRIPTION(DRV_DESCRIPTION); 36 MODULE_LICENSE("GPL"); 37 MODULE_IMPORT_NS(IWLWIFI); 38 39 static const struct iwl_op_mode_ops iwl_mvm_ops; 40 static const struct iwl_op_mode_ops iwl_mvm_ops_mq; 41 42 struct iwl_mvm_mod_params iwlmvm_mod_params = { 43 .power_scheme = IWL_POWER_SCHEME_BPS, 44 /* rest of fields are 0 by default */ 45 }; 46 47 module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, 0444); 48 MODULE_PARM_DESC(init_dbg, 49 "set to true to debug an ASSERT in INIT fw (default: false"); 50 module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, 0444); 51 MODULE_PARM_DESC(power_scheme, 52 "power management scheme: 1-active, 2-balanced, 3-low power, default: 2"); 53 54 /* 55 * module init and exit functions 56 */ 57 static int __init iwl_mvm_init(void) 58 { 59 int ret; 60 61 ret = iwl_mvm_rate_control_register(); 62 if (ret) { 63 pr_err("Unable to register rate control algorithm: %d\n", ret); 64 return ret; 65 } 66 67 ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops); 68 if (ret) 69 pr_err("Unable to register MVM op_mode: %d\n", ret); 70 71 return ret; 72 } 73 module_init(iwl_mvm_init); 74 75 static void __exit iwl_mvm_exit(void) 76 { 77 iwl_opmode_deregister("iwlmvm"); 78 iwl_mvm_rate_control_unregister(); 79 } 80 module_exit(iwl_mvm_exit); 81 82 static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode) 83 { 84 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 85 u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash; 86 u32 reg_val; 87 u32 phy_config = iwl_mvm_get_phy_config(mvm); 88 89 radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >> 90 FW_PHY_CFG_RADIO_TYPE_POS; 91 radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >> 92 FW_PHY_CFG_RADIO_STEP_POS; 93 radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >> 94 FW_PHY_CFG_RADIO_DASH_POS; 95 96 IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type, 97 radio_cfg_step, radio_cfg_dash); 98 99 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) 100 return; 101 102 /* SKU control */ 103 reg_val = CSR_HW_REV_STEP_DASH(mvm->trans->hw_rev); 104 105 /* radio configuration */ 106 reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE; 107 reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP; 108 reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH; 109 110 WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) & 111 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE); 112 113 /* 114 * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC 115 * sampling, and shouldn't be set to any non-zero value. 116 * The same is supposed to be true of the other HW, but unsetting 117 * them (such as the 7260) causes automatic tests to fail on seemingly 118 * unrelated errors. Need to further investigate this, but for now 119 * we'll separate cases. 120 */ 121 if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000) 122 reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI; 123 124 if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt)) 125 reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG; 126 127 iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG, 128 CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP_DASH | 129 CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE | 130 CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP | 131 CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH | 132 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | 133 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI | 134 CSR_HW_IF_CONFIG_REG_D3_DEBUG, 135 reg_val); 136 137 /* 138 * W/A : NIC is stuck in a reset state after Early PCIe power off 139 * (PCIe power is lost before PERST# is asserted), causing ME FW 140 * to lose ownership and not being able to obtain it back. 141 */ 142 if (!mvm->trans->cfg->apmg_not_supported) 143 iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG, 144 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS, 145 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); 146 } 147 148 static void iwl_mvm_rx_monitor_notif(struct iwl_mvm *mvm, 149 struct iwl_rx_cmd_buffer *rxb) 150 { 151 struct iwl_rx_packet *pkt = rxb_addr(rxb); 152 struct iwl_datapath_monitor_notif *notif = (void *)pkt->data; 153 struct ieee80211_supported_band *sband; 154 const struct ieee80211_sta_he_cap *he_cap; 155 struct ieee80211_vif *vif; 156 157 if (notif->type != cpu_to_le32(IWL_DP_MON_NOTIF_TYPE_EXT_CCA)) 158 return; 159 160 vif = iwl_mvm_get_vif_by_macid(mvm, notif->mac_id); 161 if (!vif || vif->type != NL80211_IFTYPE_STATION) 162 return; 163 164 if (!vif->bss_conf.chanreq.oper.chan || 165 vif->bss_conf.chanreq.oper.chan->band != NL80211_BAND_2GHZ || 166 vif->bss_conf.chanreq.oper.width < NL80211_CHAN_WIDTH_40) 167 return; 168 169 if (!vif->cfg.assoc) 170 return; 171 172 /* this shouldn't happen *again*, ignore it */ 173 if (mvm->cca_40mhz_workaround) 174 return; 175 176 /* 177 * We'll decrement this on disconnect - so set to 2 since we'll 178 * still have to disconnect from the current AP first. 179 */ 180 mvm->cca_40mhz_workaround = 2; 181 182 /* 183 * This capability manipulation isn't really ideal, but it's the 184 * easiest choice - otherwise we'd have to do some major changes 185 * in mac80211 to support this, which isn't worth it. This does 186 * mean that userspace may have outdated information, but that's 187 * actually not an issue at all. 188 */ 189 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 190 191 WARN_ON(!sband->ht_cap.ht_supported); 192 WARN_ON(!(sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)); 193 sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; 194 195 he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 196 197 if (he_cap) { 198 /* we know that ours is writable */ 199 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; 200 201 WARN_ON(!he->has_he); 202 WARN_ON(!(he->he_cap_elem.phy_cap_info[0] & 203 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)); 204 he->he_cap_elem.phy_cap_info[0] &= 205 ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 206 } 207 208 ieee80211_disconnect(vif, true); 209 } 210 211 void iwl_mvm_update_link_smps(struct ieee80211_vif *vif, 212 struct ieee80211_bss_conf *link_conf) 213 { 214 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 215 struct iwl_mvm *mvm = mvmvif->mvm; 216 enum ieee80211_smps_mode mode = IEEE80211_SMPS_AUTOMATIC; 217 218 if (!link_conf) 219 return; 220 221 if (mvm->fw_static_smps_request && 222 link_conf->chanreq.oper.width == NL80211_CHAN_WIDTH_160 && 223 link_conf->he_support) 224 mode = IEEE80211_SMPS_STATIC; 225 226 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_FW, mode, 227 link_conf->link_id); 228 } 229 230 static void iwl_mvm_intf_dual_chain_req(void *data, u8 *mac, 231 struct ieee80211_vif *vif) 232 { 233 struct ieee80211_bss_conf *link_conf; 234 unsigned int link_id; 235 236 rcu_read_lock(); 237 238 for_each_vif_active_link(vif, link_conf, link_id) 239 iwl_mvm_update_link_smps(vif, link_conf); 240 241 rcu_read_unlock(); 242 } 243 244 static void iwl_mvm_rx_thermal_dual_chain_req(struct iwl_mvm *mvm, 245 struct iwl_rx_cmd_buffer *rxb) 246 { 247 struct iwl_rx_packet *pkt = rxb_addr(rxb); 248 struct iwl_thermal_dual_chain_request *req = (void *)pkt->data; 249 250 /* 251 * We could pass it to the iterator data, but also need to remember 252 * it for new interfaces that are added while in this state. 253 */ 254 mvm->fw_static_smps_request = 255 req->event == cpu_to_le32(THERMAL_DUAL_CHAIN_REQ_DISABLE); 256 ieee80211_iterate_interfaces(mvm->hw, 257 IEEE80211_IFACE_SKIP_SDATA_NOT_IN_DRIVER, 258 iwl_mvm_intf_dual_chain_req, NULL); 259 } 260 261 /** 262 * enum iwl_rx_handler_context: context for Rx handler 263 * @RX_HANDLER_SYNC : this means that it will be called in the Rx path 264 * which can't acquire mvm->mutex. 265 * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex 266 * (and only in this case!), it should be set as ASYNC. In that case, 267 * it will be called from a worker with mvm->mutex held. 268 * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the 269 * mutex itself, it will be called from a worker without mvm->mutex held. 270 * @RX_HANDLER_ASYNC_LOCKED_WIPHY: If the handler needs to hold the wiphy lock 271 * and mvm->mutex. Will be handled with the wiphy_work queue infra 272 * instead of regular work queue. 273 */ 274 enum iwl_rx_handler_context { 275 RX_HANDLER_SYNC, 276 RX_HANDLER_ASYNC_LOCKED, 277 RX_HANDLER_ASYNC_UNLOCKED, 278 RX_HANDLER_ASYNC_LOCKED_WIPHY, 279 }; 280 281 /** 282 * struct iwl_rx_handlers: handler for FW notification 283 * @cmd_id: command id 284 * @min_size: minimum size to expect for the notification 285 * @context: see &iwl_rx_handler_context 286 * @fn: the function is called when notification is received 287 */ 288 struct iwl_rx_handlers { 289 u16 cmd_id, min_size; 290 enum iwl_rx_handler_context context; 291 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 292 }; 293 294 #define RX_HANDLER_NO_SIZE(_cmd_id, _fn, _context) \ 295 { .cmd_id = _cmd_id, .fn = _fn, .context = _context, } 296 #define RX_HANDLER_GRP_NO_SIZE(_grp, _cmd, _fn, _context) \ 297 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context, } 298 #define RX_HANDLER(_cmd_id, _fn, _context, _struct) \ 299 { .cmd_id = _cmd_id, .fn = _fn, \ 300 .context = _context, .min_size = sizeof(_struct), } 301 #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context, _struct) \ 302 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, \ 303 .context = _context, .min_size = sizeof(_struct), } 304 305 /* 306 * Handlers for fw notifications 307 * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME 308 * This list should be in order of frequency for performance purposes. 309 * 310 * The handler can be one from three contexts, see &iwl_rx_handler_context 311 */ 312 static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { 313 RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC, 314 struct iwl_mvm_tx_resp), 315 RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC, 316 struct iwl_mvm_ba_notif), 317 318 RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF, 319 iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC, 320 struct iwl_tlc_update_notif), 321 322 RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif, 323 RX_HANDLER_ASYNC_LOCKED_WIPHY, 324 struct iwl_bt_coex_profile_notif), 325 RX_HANDLER_NO_SIZE(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, 326 RX_HANDLER_ASYNC_LOCKED), 327 RX_HANDLER_NO_SIZE(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, 328 RX_HANDLER_ASYNC_LOCKED), 329 330 RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_NOTIF, 331 iwl_mvm_handle_rx_system_oper_stats, 332 RX_HANDLER_ASYNC_LOCKED_WIPHY, 333 struct iwl_system_statistics_notif_oper), 334 RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_PART1_NOTIF, 335 iwl_mvm_handle_rx_system_oper_part1_stats, 336 RX_HANDLER_ASYNC_LOCKED, 337 struct iwl_system_statistics_part1_notif_oper), 338 RX_HANDLER_GRP(SYSTEM_GROUP, SYSTEM_STATISTICS_END_NOTIF, 339 iwl_mvm_handle_rx_system_end_stats_notif, 340 RX_HANDLER_ASYNC_LOCKED, 341 struct iwl_system_statistics_end_notif), 342 343 RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID, 344 iwl_mvm_window_status_notif, RX_HANDLER_SYNC, 345 struct iwl_ba_window_status_notif), 346 347 RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, 348 RX_HANDLER_SYNC, struct iwl_time_event_notif), 349 RX_HANDLER_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF, 350 iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC, 351 struct iwl_mvm_session_prot_notif), 352 RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc, 353 RX_HANDLER_ASYNC_LOCKED, struct iwl_mcc_chub_notif), 354 355 RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC, 356 struct iwl_mvm_eosp_notification), 357 358 RX_HANDLER(SCAN_ITERATION_COMPLETE, 359 iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC, 360 struct iwl_lmac_scan_complete_notif), 361 RX_HANDLER(SCAN_OFFLOAD_COMPLETE, 362 iwl_mvm_rx_lmac_scan_complete_notif, 363 RX_HANDLER_ASYNC_LOCKED, struct iwl_periodic_scan_complete), 364 RX_HANDLER_NO_SIZE(MATCH_FOUND_NOTIFICATION, 365 iwl_mvm_rx_scan_match_found, 366 RX_HANDLER_SYNC), 367 RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif, 368 RX_HANDLER_ASYNC_LOCKED, struct iwl_umac_scan_complete), 369 RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC, 370 iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC, 371 struct iwl_umac_scan_iter_complete_notif), 372 373 RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif, 374 RX_HANDLER_SYNC, struct iwl_missed_beacons_notif), 375 376 RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC, 377 struct iwl_error_resp), 378 RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION, 379 iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC, 380 struct iwl_uapsd_misbehaving_ap_notif), 381 RX_HANDLER_NO_SIZE(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, 382 RX_HANDLER_ASYNC_LOCKED), 383 RX_HANDLER_GRP_NO_SIZE(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE, 384 iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED), 385 RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION, 386 iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC, 387 struct ct_kill_notif), 388 389 RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif, 390 RX_HANDLER_ASYNC_LOCKED, 391 struct iwl_tdls_channel_switch_notif), 392 RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, 393 RX_HANDLER_SYNC, struct iwl_mfuart_load_notif_v1), 394 RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS, 395 iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED, 396 struct iwl_ftm_responder_stats), 397 398 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF, 399 iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED), 400 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_LC_NOTIF, 401 iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED), 402 403 RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF, 404 iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC, 405 struct iwl_mfu_assert_dump_notif), 406 RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF, 407 iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC, 408 struct iwl_stored_beacon_notif_v2), 409 RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF, 410 iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC, 411 struct iwl_mu_group_mgmt_notif), 412 RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF, 413 iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC, 414 struct iwl_mvm_pm_state_notification), 415 RX_HANDLER_GRP(MAC_CONF_GROUP, PROBE_RESPONSE_DATA_NOTIF, 416 iwl_mvm_probe_resp_data_notif, 417 RX_HANDLER_ASYNC_LOCKED, 418 struct iwl_probe_resp_data_notif), 419 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_START_NOTIF, 420 iwl_mvm_channel_switch_start_notif, 421 RX_HANDLER_SYNC, struct iwl_channel_switch_start_notif), 422 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_ERROR_NOTIF, 423 iwl_mvm_channel_switch_error_notif, 424 RX_HANDLER_ASYNC_UNLOCKED, 425 struct iwl_channel_switch_error_notif), 426 RX_HANDLER_GRP(DATA_PATH_GROUP, MONITOR_NOTIF, 427 iwl_mvm_rx_monitor_notif, RX_HANDLER_ASYNC_LOCKED, 428 struct iwl_datapath_monitor_notif), 429 430 RX_HANDLER_GRP(DATA_PATH_GROUP, THERMAL_DUAL_CHAIN_REQUEST, 431 iwl_mvm_rx_thermal_dual_chain_req, 432 RX_HANDLER_ASYNC_LOCKED, 433 struct iwl_thermal_dual_chain_request), 434 435 RX_HANDLER_GRP(SYSTEM_GROUP, RFI_DEACTIVATE_NOTIF, 436 iwl_rfi_deactivate_notif_handler, RX_HANDLER_ASYNC_UNLOCKED, 437 struct iwl_rfi_deactivate_notif), 438 439 RX_HANDLER_GRP(LEGACY_GROUP, 440 WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION, 441 iwl_mvm_time_sync_msmt_event, RX_HANDLER_SYNC, 442 struct iwl_time_msmt_notify), 443 RX_HANDLER_GRP(LEGACY_GROUP, 444 WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION, 445 iwl_mvm_time_sync_msmt_confirm_event, RX_HANDLER_SYNC, 446 struct iwl_time_msmt_cfm_notify), 447 RX_HANDLER_GRP(MAC_CONF_GROUP, ROC_NOTIF, 448 iwl_mvm_rx_roc_notif, RX_HANDLER_SYNC, 449 struct iwl_roc_notif), 450 }; 451 #undef RX_HANDLER 452 #undef RX_HANDLER_GRP 453 454 /* Please keep this array *SORTED* by hex value. 455 * Access is done through binary search 456 */ 457 static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = { 458 HCMD_NAME(UCODE_ALIVE_NTFY), 459 HCMD_NAME(REPLY_ERROR), 460 HCMD_NAME(ECHO_CMD), 461 HCMD_NAME(INIT_COMPLETE_NOTIF), 462 HCMD_NAME(PHY_CONTEXT_CMD), 463 HCMD_NAME(DBG_CFG), 464 HCMD_NAME(SCAN_CFG_CMD), 465 HCMD_NAME(SCAN_REQ_UMAC), 466 HCMD_NAME(SCAN_ABORT_UMAC), 467 HCMD_NAME(SCAN_COMPLETE_UMAC), 468 HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID), 469 HCMD_NAME(ADD_STA_KEY), 470 HCMD_NAME(ADD_STA), 471 HCMD_NAME(REMOVE_STA), 472 HCMD_NAME(TX_CMD), 473 HCMD_NAME(SCD_QUEUE_CFG), 474 HCMD_NAME(TXPATH_FLUSH), 475 HCMD_NAME(MGMT_MCAST_KEY), 476 HCMD_NAME(WEP_KEY), 477 HCMD_NAME(SHARED_MEM_CFG), 478 HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD), 479 HCMD_NAME(MAC_CONTEXT_CMD), 480 HCMD_NAME(TIME_EVENT_CMD), 481 HCMD_NAME(TIME_EVENT_NOTIFICATION), 482 HCMD_NAME(BINDING_CONTEXT_CMD), 483 HCMD_NAME(TIME_QUOTA_CMD), 484 HCMD_NAME(NON_QOS_TX_COUNTER_CMD), 485 HCMD_NAME(LEDS_CMD), 486 HCMD_NAME(LQ_CMD), 487 HCMD_NAME(FW_PAGING_BLOCK_CMD), 488 HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD), 489 HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD), 490 HCMD_NAME(HOT_SPOT_CMD), 491 HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD), 492 HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP), 493 HCMD_NAME(BT_COEX_CI), 494 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION), 495 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION), 496 HCMD_NAME(PHY_CONFIGURATION_CMD), 497 HCMD_NAME(CALIB_RES_NOTIF_PHY_DB), 498 HCMD_NAME(PHY_DB_CMD), 499 HCMD_NAME(SCAN_OFFLOAD_COMPLETE), 500 HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD), 501 HCMD_NAME(POWER_TABLE_CMD), 502 HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION), 503 HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF), 504 HCMD_NAME(NVM_ACCESS_CMD), 505 HCMD_NAME(BEACON_NOTIFICATION), 506 HCMD_NAME(BEACON_TEMPLATE_CMD), 507 HCMD_NAME(TX_ANT_CONFIGURATION_CMD), 508 HCMD_NAME(BT_CONFIG), 509 HCMD_NAME(STATISTICS_CMD), 510 HCMD_NAME(STATISTICS_NOTIFICATION), 511 HCMD_NAME(EOSP_NOTIFICATION), 512 HCMD_NAME(REDUCE_TX_POWER_CMD), 513 HCMD_NAME(MISSED_BEACONS_NOTIFICATION), 514 HCMD_NAME(TDLS_CONFIG_CMD), 515 HCMD_NAME(MAC_PM_POWER_TABLE), 516 HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION), 517 HCMD_NAME(MFUART_LOAD_NOTIFICATION), 518 HCMD_NAME(RSS_CONFIG_CMD), 519 HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC), 520 HCMD_NAME(REPLY_RX_PHY_CMD), 521 HCMD_NAME(REPLY_RX_MPDU_CMD), 522 HCMD_NAME(BAR_FRAME_RELEASE), 523 HCMD_NAME(FRAME_RELEASE), 524 HCMD_NAME(BA_NOTIF), 525 HCMD_NAME(MCC_UPDATE_CMD), 526 HCMD_NAME(MCC_CHUB_UPDATE_CMD), 527 HCMD_NAME(MARKER_CMD), 528 HCMD_NAME(BT_PROFILE_NOTIFICATION), 529 HCMD_NAME(MCAST_FILTER_CMD), 530 HCMD_NAME(REPLY_SF_CFG_CMD), 531 HCMD_NAME(REPLY_BEACON_FILTERING_CMD), 532 HCMD_NAME(D3_CONFIG_CMD), 533 HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD), 534 HCMD_NAME(MATCH_FOUND_NOTIFICATION), 535 HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION), 536 HCMD_NAME(WOWLAN_PATTERNS), 537 HCMD_NAME(WOWLAN_CONFIGURATION), 538 HCMD_NAME(WOWLAN_TSC_RSC_PARAM), 539 HCMD_NAME(WOWLAN_TKIP_PARAM), 540 HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL), 541 HCMD_NAME(WOWLAN_GET_STATUSES), 542 HCMD_NAME(SCAN_ITERATION_COMPLETE), 543 HCMD_NAME(D0I3_END_CMD), 544 HCMD_NAME(LTR_CONFIG), 545 HCMD_NAME(LDBG_CONFIG_CMD), 546 }; 547 548 /* Please keep this array *SORTED* by hex value. 549 * Access is done through binary search 550 */ 551 static const struct iwl_hcmd_names iwl_mvm_system_names[] = { 552 HCMD_NAME(SHARED_MEM_CFG_CMD), 553 HCMD_NAME(INIT_EXTENDED_CFG_CMD), 554 HCMD_NAME(FW_ERROR_RECOVERY_CMD), 555 HCMD_NAME(RFI_CONFIG_CMD), 556 HCMD_NAME(RFI_GET_FREQ_TABLE_CMD), 557 HCMD_NAME(SYSTEM_FEATURES_CONTROL_CMD), 558 HCMD_NAME(SYSTEM_STATISTICS_CMD), 559 HCMD_NAME(SYSTEM_STATISTICS_END_NOTIF), 560 HCMD_NAME(RFI_DEACTIVATE_NOTIF), 561 }; 562 563 /* Please keep this array *SORTED* by hex value. 564 * Access is done through binary search 565 */ 566 static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = { 567 HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD), 568 HCMD_NAME(SESSION_PROTECTION_CMD), 569 HCMD_NAME(MAC_CONFIG_CMD), 570 HCMD_NAME(LINK_CONFIG_CMD), 571 HCMD_NAME(STA_CONFIG_CMD), 572 HCMD_NAME(AUX_STA_CMD), 573 HCMD_NAME(STA_REMOVE_CMD), 574 HCMD_NAME(STA_DISABLE_TX_CMD), 575 HCMD_NAME(ROC_CMD), 576 HCMD_NAME(ROC_NOTIF), 577 HCMD_NAME(SESSION_PROTECTION_NOTIF), 578 HCMD_NAME(CHANNEL_SWITCH_START_NOTIF), 579 }; 580 581 /* Please keep this array *SORTED* by hex value. 582 * Access is done through binary search 583 */ 584 static const struct iwl_hcmd_names iwl_mvm_phy_names[] = { 585 HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE), 586 HCMD_NAME(CTDP_CONFIG_CMD), 587 HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD), 588 HCMD_NAME(PER_CHAIN_LIMIT_OFFSET_CMD), 589 HCMD_NAME(CT_KILL_NOTIFICATION), 590 HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE), 591 }; 592 593 /* Please keep this array *SORTED* by hex value. 594 * Access is done through binary search 595 */ 596 static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = { 597 HCMD_NAME(DQA_ENABLE_CMD), 598 HCMD_NAME(UPDATE_MU_GROUPS_CMD), 599 HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD), 600 HCMD_NAME(STA_HE_CTXT_CMD), 601 HCMD_NAME(RLC_CONFIG_CMD), 602 HCMD_NAME(RFH_QUEUE_CONFIG_CMD), 603 HCMD_NAME(TLC_MNG_CONFIG_CMD), 604 HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD), 605 HCMD_NAME(SCD_QUEUE_CONFIG_CMD), 606 HCMD_NAME(SEC_KEY_CMD), 607 HCMD_NAME(MONITOR_NOTIF), 608 HCMD_NAME(THERMAL_DUAL_CHAIN_REQUEST), 609 HCMD_NAME(STA_PM_NOTIF), 610 HCMD_NAME(MU_GROUP_MGMT_NOTIF), 611 HCMD_NAME(RX_QUEUES_NOTIFICATION), 612 }; 613 614 /* Please keep this array *SORTED* by hex value. 615 * Access is done through binary search 616 */ 617 static const struct iwl_hcmd_names iwl_mvm_statistics_names[] = { 618 HCMD_NAME(STATISTICS_OPER_NOTIF), 619 HCMD_NAME(STATISTICS_OPER_PART1_NOTIF), 620 }; 621 622 /* Please keep this array *SORTED* by hex value. 623 * Access is done through binary search 624 */ 625 static const struct iwl_hcmd_names iwl_mvm_scan_names[] = { 626 HCMD_NAME(OFFLOAD_MATCH_INFO_NOTIF), 627 }; 628 629 /* Please keep this array *SORTED* by hex value. 630 * Access is done through binary search 631 */ 632 static const struct iwl_hcmd_names iwl_mvm_location_names[] = { 633 HCMD_NAME(TOF_RANGE_REQ_CMD), 634 HCMD_NAME(TOF_CONFIG_CMD), 635 HCMD_NAME(TOF_RANGE_ABORT_CMD), 636 HCMD_NAME(TOF_RANGE_REQ_EXT_CMD), 637 HCMD_NAME(TOF_RESPONDER_CONFIG_CMD), 638 HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD), 639 HCMD_NAME(TOF_LC_NOTIF), 640 HCMD_NAME(TOF_RESPONDER_STATS), 641 HCMD_NAME(TOF_MCSI_DEBUG_NOTIF), 642 HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF), 643 }; 644 645 /* Please keep this array *SORTED* by hex value. 646 * Access is done through binary search 647 */ 648 static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = { 649 HCMD_NAME(WOWLAN_WAKE_PKT_NOTIFICATION), 650 HCMD_NAME(WOWLAN_INFO_NOTIFICATION), 651 HCMD_NAME(D3_END_NOTIFICATION), 652 HCMD_NAME(STORED_BEACON_NTF), 653 }; 654 655 /* Please keep this array *SORTED* by hex value. 656 * Access is done through binary search 657 */ 658 static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = { 659 HCMD_NAME(NVM_ACCESS_COMPLETE), 660 HCMD_NAME(NVM_GET_INFO), 661 HCMD_NAME(TAS_CONFIG), 662 }; 663 664 static const struct iwl_hcmd_arr iwl_mvm_groups[] = { 665 [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), 666 [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), 667 [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names), 668 [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names), 669 [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names), 670 [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names), 671 [SCAN_GROUP] = HCMD_ARR(iwl_mvm_scan_names), 672 [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names), 673 [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names), 674 [REGULATORY_AND_NVM_GROUP] = 675 HCMD_ARR(iwl_mvm_regulatory_and_nvm_names), 676 [STATISTICS_GROUP] = HCMD_ARR(iwl_mvm_statistics_names), 677 }; 678 679 /* this forward declaration can avoid to export the function */ 680 static void iwl_mvm_async_handlers_wk(struct work_struct *wk); 681 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy, 682 struct wiphy_work *work); 683 684 static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm) 685 { 686 const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs; 687 u64 dflt_pwr_limit; 688 689 if (!backoff) 690 return 0; 691 692 iwl_bios_get_pwr_limit(&mvm->fwrt, &dflt_pwr_limit); 693 694 while (backoff->pwr) { 695 if (dflt_pwr_limit >= backoff->pwr) 696 return backoff->backoff; 697 698 backoff++; 699 } 700 701 return 0; 702 } 703 704 static void iwl_mvm_tx_unblock_dwork(struct work_struct *work) 705 { 706 struct iwl_mvm *mvm = 707 container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work); 708 struct ieee80211_vif *tx_blocked_vif; 709 struct iwl_mvm_vif *mvmvif; 710 711 mutex_lock(&mvm->mutex); 712 713 tx_blocked_vif = 714 rcu_dereference_protected(mvm->csa_tx_blocked_vif, 715 lockdep_is_held(&mvm->mutex)); 716 717 if (!tx_blocked_vif) 718 goto unlock; 719 720 mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif); 721 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false); 722 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 723 unlock: 724 mutex_unlock(&mvm->mutex); 725 } 726 727 static void iwl_mvm_fwrt_dump_start(void *ctx) 728 { 729 struct iwl_mvm *mvm = ctx; 730 731 mutex_lock(&mvm->mutex); 732 } 733 734 static void iwl_mvm_fwrt_dump_end(void *ctx) 735 { 736 struct iwl_mvm *mvm = ctx; 737 738 mutex_unlock(&mvm->mutex); 739 } 740 741 static bool iwl_mvm_fwrt_fw_running(void *ctx) 742 { 743 return iwl_mvm_firmware_running(ctx); 744 } 745 746 static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd) 747 { 748 struct iwl_mvm *mvm = (struct iwl_mvm *)ctx; 749 int ret; 750 751 mutex_lock(&mvm->mutex); 752 ret = iwl_mvm_send_cmd(mvm, host_cmd); 753 mutex_unlock(&mvm->mutex); 754 755 return ret; 756 } 757 758 static bool iwl_mvm_d3_debug_enable(void *ctx) 759 { 760 return IWL_MVM_D3_DEBUG; 761 } 762 763 static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = { 764 .dump_start = iwl_mvm_fwrt_dump_start, 765 .dump_end = iwl_mvm_fwrt_dump_end, 766 .fw_running = iwl_mvm_fwrt_fw_running, 767 .send_hcmd = iwl_mvm_fwrt_send_hcmd, 768 .d3_debug_enable = iwl_mvm_d3_debug_enable, 769 }; 770 771 static int iwl_mvm_start_get_nvm(struct iwl_mvm *mvm) 772 { 773 struct iwl_trans *trans = mvm->trans; 774 int ret; 775 776 if (trans->csme_own) { 777 if (WARN(!mvm->mei_registered, 778 "csme is owner, but we aren't registered to iwlmei\n")) 779 goto get_nvm_from_fw; 780 781 mvm->mei_nvm_data = iwl_mei_get_nvm(); 782 if (mvm->mei_nvm_data) { 783 /* 784 * mvm->mei_nvm_data is set and because of that, 785 * we'll load the NVM from the FW when we'll get 786 * ownership. 787 */ 788 mvm->nvm_data = 789 iwl_parse_mei_nvm_data(trans, trans->cfg, 790 mvm->mei_nvm_data, 791 mvm->fw, 792 mvm->set_tx_ant, 793 mvm->set_rx_ant); 794 return 0; 795 } 796 797 IWL_ERR(mvm, 798 "Got a NULL NVM from CSME, trying to get it from the device\n"); 799 } 800 801 get_nvm_from_fw: 802 rtnl_lock(); 803 wiphy_lock(mvm->hw->wiphy); 804 mutex_lock(&mvm->mutex); 805 806 ret = iwl_trans_start_hw(mvm->trans); 807 if (ret) { 808 mutex_unlock(&mvm->mutex); 809 wiphy_unlock(mvm->hw->wiphy); 810 rtnl_unlock(); 811 return ret; 812 } 813 814 ret = iwl_run_init_mvm_ucode(mvm); 815 if (ret && ret != -ERFKILL) 816 iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER); 817 if (!ret && iwl_mvm_is_lar_supported(mvm)) { 818 mvm->hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 819 ret = iwl_mvm_init_mcc(mvm); 820 } 821 822 if (!iwlmvm_mod_params.init_dbg || !ret) 823 iwl_mvm_stop_device(mvm); 824 825 mutex_unlock(&mvm->mutex); 826 wiphy_unlock(mvm->hw->wiphy); 827 rtnl_unlock(); 828 829 if (ret) 830 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret); 831 832 /* no longer need this regardless of failure or not */ 833 mvm->pldr_sync = false; 834 835 return ret; 836 } 837 838 static int iwl_mvm_start_post_nvm(struct iwl_mvm *mvm) 839 { 840 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused; 841 int ret; 842 843 iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx); 844 845 ret = iwl_mvm_mac_setup_register(mvm); 846 if (ret) 847 return ret; 848 849 mvm->hw_registered = true; 850 851 iwl_mvm_dbgfs_register(mvm); 852 853 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy, 854 mvm->mei_rfkill_blocked, 855 RFKILL_HARD_BLOCK_NOT_OWNER); 856 857 iwl_mvm_mei_set_sw_rfkill_state(mvm); 858 859 return 0; 860 } 861 862 struct iwl_mvm_frob_txf_data { 863 u8 *buf; 864 size_t buflen; 865 }; 866 867 static void iwl_mvm_frob_txf_key_iter(struct ieee80211_hw *hw, 868 struct ieee80211_vif *vif, 869 struct ieee80211_sta *sta, 870 struct ieee80211_key_conf *key, 871 void *data) 872 { 873 struct iwl_mvm_frob_txf_data *txf = data; 874 u8 keylen, match, matchend; 875 u8 *keydata; 876 size_t i; 877 878 switch (key->cipher) { 879 case WLAN_CIPHER_SUITE_CCMP: 880 keydata = key->key; 881 keylen = key->keylen; 882 break; 883 case WLAN_CIPHER_SUITE_WEP40: 884 case WLAN_CIPHER_SUITE_WEP104: 885 case WLAN_CIPHER_SUITE_TKIP: 886 /* 887 * WEP has short keys which might show up in the payload, 888 * and then you can deduce the key, so in this case just 889 * remove all FIFO data. 890 * For TKIP, we don't know the phase 2 keys here, so same. 891 */ 892 memset(txf->buf, 0xBB, txf->buflen); 893 return; 894 default: 895 return; 896 } 897 898 /* scan for key material and clear it out */ 899 match = 0; 900 for (i = 0; i < txf->buflen; i++) { 901 if (txf->buf[i] != keydata[match]) { 902 match = 0; 903 continue; 904 } 905 match++; 906 if (match == keylen) { 907 memset(txf->buf + i - keylen, 0xAA, keylen); 908 match = 0; 909 } 910 } 911 912 /* we're dealing with a FIFO, so check wrapped around data */ 913 matchend = match; 914 for (i = 0; match && i < keylen - match; i++) { 915 if (txf->buf[i] != keydata[match]) 916 break; 917 match++; 918 if (match == keylen) { 919 memset(txf->buf, 0xAA, i + 1); 920 memset(txf->buf + txf->buflen - matchend, 0xAA, 921 matchend); 922 break; 923 } 924 } 925 } 926 927 static void iwl_mvm_frob_txf(void *ctx, void *buf, size_t buflen) 928 { 929 struct iwl_mvm_frob_txf_data txf = { 930 .buf = buf, 931 .buflen = buflen, 932 }; 933 struct iwl_mvm *mvm = ctx; 934 935 /* embedded key material exists only on old API */ 936 if (iwl_mvm_has_new_tx_api(mvm)) 937 return; 938 939 rcu_read_lock(); 940 ieee80211_iter_keys_rcu(mvm->hw, NULL, iwl_mvm_frob_txf_key_iter, &txf); 941 rcu_read_unlock(); 942 } 943 944 static void iwl_mvm_frob_hcmd(void *ctx, void *hcmd, size_t len) 945 { 946 /* we only use wide headers for commands */ 947 struct iwl_cmd_header_wide *hdr = hcmd; 948 unsigned int frob_start = sizeof(*hdr), frob_end = 0; 949 950 if (len < sizeof(hdr)) 951 return; 952 953 /* all the commands we care about are in LONG_GROUP */ 954 if (hdr->group_id != LONG_GROUP) 955 return; 956 957 switch (hdr->cmd) { 958 case WEP_KEY: 959 case WOWLAN_TKIP_PARAM: 960 case WOWLAN_KEK_KCK_MATERIAL: 961 case ADD_STA_KEY: 962 /* 963 * blank out everything here, easier than dealing 964 * with the various versions of the command 965 */ 966 frob_end = INT_MAX; 967 break; 968 case MGMT_MCAST_KEY: 969 frob_start = offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk); 970 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) != 971 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk)); 972 973 frob_end = offsetofend(struct iwl_mvm_mgmt_mcast_key_cmd, igtk); 974 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) < 975 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk)); 976 break; 977 } 978 979 if (frob_start >= frob_end) 980 return; 981 982 if (frob_end > len) 983 frob_end = len; 984 985 memset((u8 *)hcmd + frob_start, 0xAA, frob_end - frob_start); 986 } 987 988 static void iwl_mvm_frob_mem(void *ctx, u32 mem_addr, void *mem, size_t buflen) 989 { 990 const struct iwl_dump_exclude *excl; 991 struct iwl_mvm *mvm = ctx; 992 int i; 993 994 switch (mvm->fwrt.cur_fw_img) { 995 case IWL_UCODE_INIT: 996 default: 997 /* not relevant */ 998 return; 999 case IWL_UCODE_REGULAR: 1000 case IWL_UCODE_REGULAR_USNIFFER: 1001 excl = mvm->fw->dump_excl; 1002 break; 1003 case IWL_UCODE_WOWLAN: 1004 excl = mvm->fw->dump_excl_wowlan; 1005 break; 1006 } 1007 1008 BUILD_BUG_ON(sizeof(mvm->fw->dump_excl) != 1009 sizeof(mvm->fw->dump_excl_wowlan)); 1010 1011 for (i = 0; i < ARRAY_SIZE(mvm->fw->dump_excl); i++) { 1012 u32 start, end; 1013 1014 if (!excl[i].addr || !excl[i].size) 1015 continue; 1016 1017 start = excl[i].addr; 1018 end = start + excl[i].size; 1019 1020 if (end <= mem_addr || start >= mem_addr + buflen) 1021 continue; 1022 1023 if (start < mem_addr) 1024 start = mem_addr; 1025 1026 if (end > mem_addr + buflen) 1027 end = mem_addr + buflen; 1028 1029 memset((u8 *)mem + start - mem_addr, 0xAA, end - start); 1030 } 1031 } 1032 1033 static const struct iwl_dump_sanitize_ops iwl_mvm_sanitize_ops = { 1034 .frob_txf = iwl_mvm_frob_txf, 1035 .frob_hcmd = iwl_mvm_frob_hcmd, 1036 .frob_mem = iwl_mvm_frob_mem, 1037 }; 1038 1039 static void iwl_mvm_me_conn_status(void *priv, const struct iwl_mei_conn_info *conn_info) 1040 { 1041 struct iwl_mvm *mvm = priv; 1042 struct iwl_mvm_csme_conn_info *prev_conn_info, *curr_conn_info; 1043 1044 /* 1045 * This is protected by the guarantee that this function will not be 1046 * called twice on two different threads 1047 */ 1048 prev_conn_info = rcu_dereference_protected(mvm->csme_conn_info, true); 1049 1050 curr_conn_info = kzalloc(sizeof(*curr_conn_info), GFP_KERNEL); 1051 if (!curr_conn_info) 1052 return; 1053 1054 curr_conn_info->conn_info = *conn_info; 1055 1056 rcu_assign_pointer(mvm->csme_conn_info, curr_conn_info); 1057 1058 if (prev_conn_info) 1059 kfree_rcu(prev_conn_info, rcu_head); 1060 } 1061 1062 static void iwl_mvm_mei_rfkill(void *priv, bool blocked, 1063 bool csme_taking_ownership) 1064 { 1065 struct iwl_mvm *mvm = priv; 1066 1067 if (blocked && !csme_taking_ownership) 1068 return; 1069 1070 mvm->mei_rfkill_blocked = blocked; 1071 if (!mvm->hw_registered) 1072 return; 1073 1074 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy, 1075 mvm->mei_rfkill_blocked, 1076 RFKILL_HARD_BLOCK_NOT_OWNER); 1077 } 1078 1079 static void iwl_mvm_mei_roaming_forbidden(void *priv, bool forbidden) 1080 { 1081 struct iwl_mvm *mvm = priv; 1082 1083 if (!mvm->hw_registered || !mvm->csme_vif) 1084 return; 1085 1086 iwl_mvm_send_roaming_forbidden_event(mvm, mvm->csme_vif, forbidden); 1087 } 1088 1089 static void iwl_mvm_sap_connected_wk(struct work_struct *wk) 1090 { 1091 struct iwl_mvm *mvm = 1092 container_of(wk, struct iwl_mvm, sap_connected_wk); 1093 int ret; 1094 1095 ret = iwl_mvm_start_get_nvm(mvm); 1096 if (ret) 1097 goto out_free; 1098 1099 ret = iwl_mvm_start_post_nvm(mvm); 1100 if (ret) 1101 goto out_free; 1102 1103 return; 1104 1105 out_free: 1106 IWL_ERR(mvm, "Couldn't get started...\n"); 1107 iwl_mei_start_unregister(); 1108 iwl_mei_unregister_complete(); 1109 iwl_fw_flush_dumps(&mvm->fwrt); 1110 iwl_mvm_thermal_exit(mvm); 1111 iwl_fw_runtime_free(&mvm->fwrt); 1112 iwl_phy_db_free(mvm->phy_db); 1113 kfree(mvm->scan_cmd); 1114 iwl_trans_op_mode_leave(mvm->trans); 1115 kfree(mvm->nvm_data); 1116 kfree(mvm->mei_nvm_data); 1117 1118 ieee80211_free_hw(mvm->hw); 1119 } 1120 1121 static void iwl_mvm_mei_sap_connected(void *priv) 1122 { 1123 struct iwl_mvm *mvm = priv; 1124 1125 if (!mvm->hw_registered) 1126 schedule_work(&mvm->sap_connected_wk); 1127 } 1128 1129 static void iwl_mvm_mei_nic_stolen(void *priv) 1130 { 1131 struct iwl_mvm *mvm = priv; 1132 1133 rtnl_lock(); 1134 cfg80211_shutdown_all_interfaces(mvm->hw->wiphy); 1135 rtnl_unlock(); 1136 } 1137 1138 static const struct iwl_mei_ops mei_ops = { 1139 .me_conn_status = iwl_mvm_me_conn_status, 1140 .rfkill = iwl_mvm_mei_rfkill, 1141 .roaming_forbidden = iwl_mvm_mei_roaming_forbidden, 1142 .sap_connected = iwl_mvm_mei_sap_connected, 1143 .nic_stolen = iwl_mvm_mei_nic_stolen, 1144 }; 1145 1146 static struct iwl_op_mode * 1147 iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, 1148 const struct iwl_fw *fw, struct dentry *dbgfs_dir) 1149 { 1150 struct ieee80211_hw *hw; 1151 struct iwl_op_mode *op_mode; 1152 struct iwl_mvm *mvm; 1153 struct iwl_trans_config trans_cfg = {}; 1154 static const u8 no_reclaim_cmds[] = { 1155 TX_CMD, 1156 }; 1157 u32 max_agg; 1158 size_t scan_size; 1159 u32 min_backoff; 1160 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused; 1161 1162 /* 1163 * We use IWL_MVM_STATION_COUNT_MAX to check the validity of the station 1164 * index all over the driver - check that its value corresponds to the 1165 * array size. 1166 */ 1167 BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != 1168 IWL_MVM_STATION_COUNT_MAX); 1169 1170 /******************************** 1171 * 1. Allocating and configuring HW data 1172 ********************************/ 1173 hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) + 1174 sizeof(struct iwl_mvm), 1175 iwl_mvm_has_mld_api(fw) ? &iwl_mvm_mld_hw_ops : 1176 &iwl_mvm_hw_ops); 1177 if (!hw) 1178 return NULL; 1179 1180 if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) 1181 max_agg = 512; 1182 else 1183 max_agg = IEEE80211_MAX_AMPDU_BUF_HE; 1184 1185 hw->max_rx_aggregation_subframes = max_agg; 1186 1187 if (cfg->max_tx_agg_size) 1188 hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size; 1189 else 1190 hw->max_tx_aggregation_subframes = max_agg; 1191 1192 op_mode = hw->priv; 1193 1194 mvm = IWL_OP_MODE_GET_MVM(op_mode); 1195 mvm->dev = trans->dev; 1196 mvm->trans = trans; 1197 mvm->cfg = cfg; 1198 mvm->fw = fw; 1199 mvm->hw = hw; 1200 1201 iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm, 1202 &iwl_mvm_sanitize_ops, mvm, dbgfs_dir); 1203 1204 iwl_mvm_get_bios_tables(mvm); 1205 iwl_uefi_get_sgom_table(trans, &mvm->fwrt); 1206 iwl_uefi_get_step_table(trans); 1207 1208 mvm->init_status = 0; 1209 1210 if (iwl_mvm_has_new_rx_api(mvm)) { 1211 op_mode->ops = &iwl_mvm_ops_mq; 1212 trans->rx_mpdu_cmd_hdr_size = 1213 (trans->trans_cfg->device_family >= 1214 IWL_DEVICE_FAMILY_AX210) ? 1215 sizeof(struct iwl_rx_mpdu_desc) : 1216 IWL_RX_DESC_SIZE_V1; 1217 } else { 1218 op_mode->ops = &iwl_mvm_ops; 1219 trans->rx_mpdu_cmd_hdr_size = 1220 sizeof(struct iwl_rx_mpdu_res_start); 1221 1222 if (WARN_ON(trans->num_rx_queues > 1)) 1223 goto out_free; 1224 } 1225 1226 mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0; 1227 1228 if (iwl_mvm_has_new_tx_api(mvm)) { 1229 /* 1230 * If we have the new TX/queue allocation API initialize them 1231 * all to invalid numbers. We'll rewrite the ones that we need 1232 * later, but that doesn't happen for all of them all of the 1233 * time (e.g. P2P Device is optional), and if a dynamic queue 1234 * ends up getting number 2 (IWL_MVM_DQA_P2P_DEVICE_QUEUE) then 1235 * iwl_mvm_is_static_queue() erroneously returns true, and we 1236 * might have things getting stuck. 1237 */ 1238 mvm->aux_queue = IWL_MVM_INVALID_QUEUE; 1239 mvm->snif_queue = IWL_MVM_INVALID_QUEUE; 1240 mvm->probe_queue = IWL_MVM_INVALID_QUEUE; 1241 mvm->p2p_dev_queue = IWL_MVM_INVALID_QUEUE; 1242 } else { 1243 mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE; 1244 mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE; 1245 mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE; 1246 mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE; 1247 } 1248 1249 mvm->sf_state = SF_UNINIT; 1250 if (iwl_mvm_has_unified_ucode(mvm)) 1251 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR); 1252 else 1253 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT); 1254 mvm->drop_bcn_ap_mode = true; 1255 1256 mutex_init(&mvm->mutex); 1257 spin_lock_init(&mvm->async_handlers_lock); 1258 INIT_LIST_HEAD(&mvm->time_event_list); 1259 INIT_LIST_HEAD(&mvm->aux_roc_te_list); 1260 INIT_LIST_HEAD(&mvm->async_handlers_list); 1261 spin_lock_init(&mvm->time_event_lock); 1262 INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list); 1263 INIT_LIST_HEAD(&mvm->ftm_initiator.pasn_list); 1264 INIT_LIST_HEAD(&mvm->resp_pasn_list); 1265 1266 INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); 1267 INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); 1268 INIT_WORK(&mvm->sap_connected_wk, iwl_mvm_sap_connected_wk); 1269 INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work); 1270 INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk); 1271 INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk); 1272 INIT_LIST_HEAD(&mvm->add_stream_txqs); 1273 spin_lock_init(&mvm->add_stream_lock); 1274 1275 wiphy_work_init(&mvm->async_handlers_wiphy_wk, 1276 iwl_mvm_async_handlers_wiphy_wk); 1277 init_waitqueue_head(&mvm->rx_sync_waitq); 1278 1279 mvm->queue_sync_state = 0; 1280 1281 SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev); 1282 1283 spin_lock_init(&mvm->tcm.lock); 1284 INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work); 1285 mvm->tcm.ts = jiffies; 1286 mvm->tcm.ll_ts = jiffies; 1287 mvm->tcm.uapsd_nonagg_ts = jiffies; 1288 1289 INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork); 1290 1291 mvm->cmd_ver.range_resp = 1292 iwl_fw_lookup_notif_ver(mvm->fw, LOCATION_GROUP, 1293 TOF_RANGE_RESPONSE_NOTIF, 5); 1294 /* we only support up to version 9 */ 1295 if (WARN_ON_ONCE(mvm->cmd_ver.range_resp > 9)) 1296 goto out_free; 1297 1298 /* 1299 * Populate the state variables that the transport layer needs 1300 * to know about. 1301 */ 1302 trans_cfg.op_mode = op_mode; 1303 trans_cfg.no_reclaim_cmds = no_reclaim_cmds; 1304 trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); 1305 1306 switch (iwlwifi_mod_params.amsdu_size) { 1307 case IWL_AMSDU_DEF: 1308 trans_cfg.rx_buf_size = IWL_AMSDU_4K; 1309 break; 1310 case IWL_AMSDU_4K: 1311 trans_cfg.rx_buf_size = IWL_AMSDU_4K; 1312 break; 1313 case IWL_AMSDU_8K: 1314 trans_cfg.rx_buf_size = IWL_AMSDU_8K; 1315 break; 1316 case IWL_AMSDU_12K: 1317 trans_cfg.rx_buf_size = IWL_AMSDU_12K; 1318 break; 1319 default: 1320 pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME, 1321 iwlwifi_mod_params.amsdu_size); 1322 trans_cfg.rx_buf_size = IWL_AMSDU_4K; 1323 } 1324 1325 trans->wide_cmd_header = true; 1326 trans_cfg.bc_table_dword = 1327 mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210; 1328 1329 trans_cfg.command_groups = iwl_mvm_groups; 1330 trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups); 1331 1332 trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE; 1333 trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD; 1334 trans_cfg.scd_set_active = true; 1335 1336 trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info, 1337 driver_data[2]); 1338 1339 /* Set a short watchdog for the command queue */ 1340 trans_cfg.cmd_q_wdg_timeout = 1341 iwl_mvm_get_wd_timeout(mvm, NULL, false, true); 1342 1343 snprintf(mvm->hw->wiphy->fw_version, 1344 sizeof(mvm->hw->wiphy->fw_version), 1345 "%.31s", fw->fw_version); 1346 1347 trans_cfg.fw_reset_handshake = fw_has_capa(&mvm->fw->ucode_capa, 1348 IWL_UCODE_TLV_CAPA_FW_RESET_HANDSHAKE); 1349 1350 trans_cfg.queue_alloc_cmd_ver = 1351 iwl_fw_lookup_cmd_ver(mvm->fw, 1352 WIDE_ID(DATA_PATH_GROUP, 1353 SCD_QUEUE_CONFIG_CMD), 1354 0); 1355 mvm->sta_remove_requires_queue_remove = 1356 trans_cfg.queue_alloc_cmd_ver > 0; 1357 1358 mvm->mld_api_is_used = iwl_mvm_has_mld_api(mvm->fw); 1359 1360 /* Configure transport layer */ 1361 iwl_trans_configure(mvm->trans, &trans_cfg); 1362 1363 trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD; 1364 trans->dbg.dest_tlv = mvm->fw->dbg.dest_tlv; 1365 trans->dbg.n_dest_reg = mvm->fw->dbg.n_dest_reg; 1366 memcpy(trans->dbg.conf_tlv, mvm->fw->dbg.conf_tlv, 1367 sizeof(trans->dbg.conf_tlv)); 1368 trans->dbg.trigger_tlv = mvm->fw->dbg.trigger_tlv; 1369 1370 trans->iml = mvm->fw->iml; 1371 trans->iml_len = mvm->fw->iml_len; 1372 1373 /* set up notification wait support */ 1374 iwl_notification_wait_init(&mvm->notif_wait); 1375 1376 /* Init phy db */ 1377 mvm->phy_db = iwl_phy_db_init(trans); 1378 if (!mvm->phy_db) { 1379 IWL_ERR(mvm, "Cannot init phy_db\n"); 1380 goto out_free; 1381 } 1382 1383 IWL_INFO(mvm, "Detected %s, REV=0x%X\n", 1384 mvm->trans->name, mvm->trans->hw_rev); 1385 1386 if (iwlwifi_mod_params.nvm_file) 1387 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file; 1388 else 1389 IWL_DEBUG_EEPROM(mvm->trans->dev, 1390 "working without external nvm file\n"); 1391 1392 scan_size = iwl_mvm_scan_size(mvm); 1393 1394 mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL); 1395 if (!mvm->scan_cmd) 1396 goto out_free; 1397 mvm->scan_cmd_size = scan_size; 1398 1399 /* invalidate ids to prevent accidental removal of sta_id 0 */ 1400 mvm->aux_sta.sta_id = IWL_MVM_INVALID_STA; 1401 mvm->snif_sta.sta_id = IWL_MVM_INVALID_STA; 1402 1403 /* Set EBS as successful as long as not stated otherwise by the FW. */ 1404 mvm->last_ebs_successful = true; 1405 1406 min_backoff = iwl_mvm_min_backoff(mvm); 1407 iwl_mvm_thermal_initialize(mvm, min_backoff); 1408 1409 if (!iwl_mvm_has_new_rx_stats_api(mvm)) 1410 memset(&mvm->rx_stats_v3, 0, 1411 sizeof(struct mvm_statistics_rx_v3)); 1412 else 1413 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx)); 1414 1415 iwl_mvm_ftm_initiator_smooth_config(mvm); 1416 1417 iwl_mvm_init_time_sync(&mvm->time_sync); 1418 1419 mvm->debugfs_dir = dbgfs_dir; 1420 1421 mvm->mei_registered = !iwl_mei_register(mvm, &mei_ops); 1422 1423 iwl_mvm_mei_scan_filter_init(&mvm->mei_scan_filter); 1424 1425 if (iwl_mvm_start_get_nvm(mvm)) { 1426 /* 1427 * Getting NVM failed while CSME is the owner, but we are 1428 * registered to MEI, we'll get the NVM later when it'll be 1429 * possible to get it from CSME. 1430 */ 1431 if (trans->csme_own && mvm->mei_registered) 1432 return op_mode; 1433 1434 goto out_thermal_exit; 1435 } 1436 1437 1438 if (iwl_mvm_start_post_nvm(mvm)) 1439 goto out_thermal_exit; 1440 1441 return op_mode; 1442 1443 out_thermal_exit: 1444 iwl_mvm_thermal_exit(mvm); 1445 if (mvm->mei_registered) { 1446 iwl_mei_start_unregister(); 1447 iwl_mei_unregister_complete(); 1448 } 1449 out_free: 1450 iwl_fw_flush_dumps(&mvm->fwrt); 1451 iwl_fw_runtime_free(&mvm->fwrt); 1452 1453 if (iwlmvm_mod_params.init_dbg) 1454 return op_mode; 1455 iwl_phy_db_free(mvm->phy_db); 1456 kfree(mvm->scan_cmd); 1457 iwl_trans_op_mode_leave(trans); 1458 1459 ieee80211_free_hw(mvm->hw); 1460 return NULL; 1461 } 1462 1463 void iwl_mvm_stop_device(struct iwl_mvm *mvm) 1464 { 1465 lockdep_assert_held(&mvm->mutex); 1466 1467 iwl_fw_cancel_timestamp(&mvm->fwrt); 1468 1469 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1470 1471 iwl_fw_dbg_stop_sync(&mvm->fwrt); 1472 iwl_trans_stop_device(mvm->trans); 1473 iwl_free_fw_paging(&mvm->fwrt); 1474 iwl_fw_dump_conf_clear(&mvm->fwrt); 1475 iwl_mvm_mei_device_state(mvm, false); 1476 } 1477 1478 static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) 1479 { 1480 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1481 int i; 1482 1483 if (mvm->mei_registered) { 1484 rtnl_lock(); 1485 iwl_mei_set_netdev(NULL); 1486 rtnl_unlock(); 1487 iwl_mei_start_unregister(); 1488 } 1489 1490 /* 1491 * After we unregister from mei, the worker can't be scheduled 1492 * anymore. 1493 */ 1494 cancel_work_sync(&mvm->sap_connected_wk); 1495 1496 iwl_mvm_leds_exit(mvm); 1497 1498 iwl_mvm_thermal_exit(mvm); 1499 1500 /* 1501 * If we couldn't get ownership on the device and we couldn't 1502 * get the NVM from CSME, we haven't registered to mac80211. 1503 * In that case, we didn't fail op_mode_start, because we are 1504 * waiting for CSME to allow us to get the NVM to register to 1505 * mac80211. If that didn't happen, we haven't registered to 1506 * mac80211, hence the if below. 1507 */ 1508 if (mvm->hw_registered) 1509 ieee80211_unregister_hw(mvm->hw); 1510 1511 kfree(mvm->scan_cmd); 1512 kfree(mvm->mcast_filter_cmd); 1513 mvm->mcast_filter_cmd = NULL; 1514 1515 kfree(mvm->error_recovery_buf); 1516 mvm->error_recovery_buf = NULL; 1517 1518 iwl_mvm_ptp_remove(mvm); 1519 1520 iwl_trans_op_mode_leave(mvm->trans); 1521 1522 iwl_phy_db_free(mvm->phy_db); 1523 mvm->phy_db = NULL; 1524 1525 kfree(mvm->nvm_data); 1526 kfree(mvm->mei_nvm_data); 1527 kfree(rcu_access_pointer(mvm->csme_conn_info)); 1528 kfree(mvm->temp_nvm_data); 1529 for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++) 1530 kfree(mvm->nvm_sections[i].data); 1531 1532 cancel_delayed_work_sync(&mvm->tcm.work); 1533 1534 iwl_fw_runtime_free(&mvm->fwrt); 1535 mutex_destroy(&mvm->mutex); 1536 1537 if (mvm->mei_registered) 1538 iwl_mei_unregister_complete(); 1539 1540 ieee80211_free_hw(mvm->hw); 1541 } 1542 1543 struct iwl_async_handler_entry { 1544 struct list_head list; 1545 struct iwl_rx_cmd_buffer rxb; 1546 enum iwl_rx_handler_context context; 1547 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1548 }; 1549 1550 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm) 1551 { 1552 struct iwl_async_handler_entry *entry, *tmp; 1553 1554 spin_lock_bh(&mvm->async_handlers_lock); 1555 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { 1556 iwl_free_rxb(&entry->rxb); 1557 list_del(&entry->list); 1558 kfree(entry); 1559 } 1560 spin_unlock_bh(&mvm->async_handlers_lock); 1561 } 1562 1563 /* 1564 * This function receives a bitmap of rx async handler contexts 1565 * (&iwl_rx_handler_context) to handle, and runs only them 1566 */ 1567 static void iwl_mvm_async_handlers_by_context(struct iwl_mvm *mvm, 1568 u8 contexts) 1569 { 1570 struct iwl_async_handler_entry *entry, *tmp; 1571 LIST_HEAD(local_list); 1572 1573 /* 1574 * Sync with Rx path with a lock. Remove all the entries of the 1575 * wanted contexts from this list, add them to a local one (lock free), 1576 * and then handle them. 1577 */ 1578 spin_lock_bh(&mvm->async_handlers_lock); 1579 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { 1580 if (!(BIT(entry->context) & contexts)) 1581 continue; 1582 list_del(&entry->list); 1583 list_add_tail(&entry->list, &local_list); 1584 } 1585 spin_unlock_bh(&mvm->async_handlers_lock); 1586 1587 list_for_each_entry_safe(entry, tmp, &local_list, list) { 1588 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED) 1589 mutex_lock(&mvm->mutex); 1590 entry->fn(mvm, &entry->rxb); 1591 iwl_free_rxb(&entry->rxb); 1592 list_del(&entry->list); 1593 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED) 1594 mutex_unlock(&mvm->mutex); 1595 kfree(entry); 1596 } 1597 } 1598 1599 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy, 1600 struct wiphy_work *wk) 1601 { 1602 struct iwl_mvm *mvm = 1603 container_of(wk, struct iwl_mvm, async_handlers_wiphy_wk); 1604 u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED_WIPHY); 1605 1606 iwl_mvm_async_handlers_by_context(mvm, contexts); 1607 } 1608 1609 static void iwl_mvm_async_handlers_wk(struct work_struct *wk) 1610 { 1611 struct iwl_mvm *mvm = 1612 container_of(wk, struct iwl_mvm, async_handlers_wk); 1613 u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED) | 1614 BIT(RX_HANDLER_ASYNC_UNLOCKED); 1615 1616 iwl_mvm_async_handlers_by_context(mvm, contexts); 1617 } 1618 1619 static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm, 1620 struct iwl_rx_packet *pkt) 1621 { 1622 struct iwl_fw_dbg_trigger_tlv *trig; 1623 struct iwl_fw_dbg_trigger_cmd *cmds_trig; 1624 int i; 1625 1626 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL, 1627 FW_DBG_TRIGGER_FW_NOTIF); 1628 if (!trig) 1629 return; 1630 1631 cmds_trig = (void *)trig->data; 1632 1633 for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) { 1634 /* don't collect on CMD 0 */ 1635 if (!cmds_trig->cmds[i].cmd_id) 1636 break; 1637 1638 if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd || 1639 cmds_trig->cmds[i].group_id != pkt->hdr.group_id) 1640 continue; 1641 1642 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 1643 "CMD 0x%02x.%02x received", 1644 pkt->hdr.group_id, pkt->hdr.cmd); 1645 break; 1646 } 1647 } 1648 1649 static void iwl_mvm_rx_common(struct iwl_mvm *mvm, 1650 struct iwl_rx_cmd_buffer *rxb, 1651 struct iwl_rx_packet *pkt) 1652 { 1653 unsigned int pkt_len = iwl_rx_packet_payload_len(pkt); 1654 int i; 1655 union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt }; 1656 1657 iwl_dbg_tlv_time_point(&mvm->fwrt, 1658 IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data); 1659 iwl_mvm_rx_check_trigger(mvm, pkt); 1660 1661 /* 1662 * Do the notification wait before RX handlers so 1663 * even if the RX handler consumes the RXB we have 1664 * access to it in the notification wait entry. 1665 */ 1666 iwl_notification_wait_notify(&mvm->notif_wait, pkt); 1667 1668 for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) { 1669 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i]; 1670 struct iwl_async_handler_entry *entry; 1671 1672 if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd)) 1673 continue; 1674 1675 if (IWL_FW_CHECK(mvm, pkt_len < rx_h->min_size, 1676 "unexpected notification 0x%04x size %d, need %d\n", 1677 rx_h->cmd_id, pkt_len, rx_h->min_size)) 1678 return; 1679 1680 if (rx_h->context == RX_HANDLER_SYNC) { 1681 rx_h->fn(mvm, rxb); 1682 return; 1683 } 1684 1685 entry = kzalloc(sizeof(*entry), GFP_ATOMIC); 1686 /* we can't do much... */ 1687 if (!entry) 1688 return; 1689 1690 entry->rxb._page = rxb_steal_page(rxb); 1691 entry->rxb._offset = rxb->_offset; 1692 entry->rxb._rx_page_order = rxb->_rx_page_order; 1693 entry->fn = rx_h->fn; 1694 entry->context = rx_h->context; 1695 spin_lock(&mvm->async_handlers_lock); 1696 list_add_tail(&entry->list, &mvm->async_handlers_list); 1697 spin_unlock(&mvm->async_handlers_lock); 1698 if (rx_h->context == RX_HANDLER_ASYNC_LOCKED_WIPHY) 1699 wiphy_work_queue(mvm->hw->wiphy, 1700 &mvm->async_handlers_wiphy_wk); 1701 else 1702 schedule_work(&mvm->async_handlers_wk); 1703 break; 1704 } 1705 } 1706 1707 static void iwl_mvm_rx(struct iwl_op_mode *op_mode, 1708 struct napi_struct *napi, 1709 struct iwl_rx_cmd_buffer *rxb) 1710 { 1711 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1712 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1713 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1714 1715 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1716 iwl_mvm_rx_rx_mpdu(mvm, napi, rxb); 1717 else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD)) 1718 iwl_mvm_rx_rx_phy_cmd(mvm, rxb); 1719 else 1720 iwl_mvm_rx_common(mvm, rxb, pkt); 1721 } 1722 1723 void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode, 1724 struct napi_struct *napi, 1725 struct iwl_rx_cmd_buffer *rxb) 1726 { 1727 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1728 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1729 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1730 1731 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1732 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0); 1733 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, 1734 RX_QUEUES_NOTIFICATION))) 1735 iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0); 1736 else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)) 1737 iwl_mvm_rx_frame_release(mvm, napi, rxb, 0); 1738 else if (cmd == WIDE_ID(LEGACY_GROUP, BAR_FRAME_RELEASE)) 1739 iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0); 1740 else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF)) 1741 iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0); 1742 else 1743 iwl_mvm_rx_common(mvm, rxb, pkt); 1744 } 1745 1746 static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue) 1747 { 1748 return queue == mvm->aux_queue || queue == mvm->probe_queue || 1749 queue == mvm->p2p_dev_queue || queue == mvm->snif_queue; 1750 } 1751 1752 static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode, 1753 int hw_queue, bool start) 1754 { 1755 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1756 struct ieee80211_sta *sta; 1757 struct ieee80211_txq *txq; 1758 struct iwl_mvm_txq *mvmtxq; 1759 int i; 1760 unsigned long tid_bitmap; 1761 struct iwl_mvm_sta *mvmsta; 1762 u8 sta_id; 1763 1764 sta_id = iwl_mvm_has_new_tx_api(mvm) ? 1765 mvm->tvqm_info[hw_queue].sta_id : 1766 mvm->queue_info[hw_queue].ra_sta_id; 1767 1768 if (WARN_ON_ONCE(sta_id >= mvm->fw->ucode_capa.num_stations)) 1769 return; 1770 1771 rcu_read_lock(); 1772 1773 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); 1774 if (IS_ERR_OR_NULL(sta)) 1775 goto out; 1776 mvmsta = iwl_mvm_sta_from_mac80211(sta); 1777 1778 if (iwl_mvm_is_static_queue(mvm, hw_queue)) { 1779 if (!start) 1780 ieee80211_stop_queues(mvm->hw); 1781 else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST) 1782 ieee80211_wake_queues(mvm->hw); 1783 1784 goto out; 1785 } 1786 1787 if (iwl_mvm_has_new_tx_api(mvm)) { 1788 int tid = mvm->tvqm_info[hw_queue].txq_tid; 1789 1790 tid_bitmap = BIT(tid); 1791 } else { 1792 tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap; 1793 } 1794 1795 for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) { 1796 int tid = i; 1797 1798 if (tid == IWL_MAX_TID_COUNT) 1799 tid = IEEE80211_NUM_TIDS; 1800 1801 txq = sta->txq[tid]; 1802 mvmtxq = iwl_mvm_txq_from_mac80211(txq); 1803 if (start) 1804 clear_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state); 1805 else 1806 set_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state); 1807 1808 if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST) { 1809 local_bh_disable(); 1810 iwl_mvm_mac_itxq_xmit(mvm->hw, txq); 1811 local_bh_enable(); 1812 } 1813 } 1814 1815 out: 1816 rcu_read_unlock(); 1817 } 1818 1819 static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) 1820 { 1821 iwl_mvm_queue_state_change(op_mode, hw_queue, false); 1822 } 1823 1824 static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) 1825 { 1826 iwl_mvm_queue_state_change(op_mode, hw_queue, true); 1827 } 1828 1829 static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm) 1830 { 1831 wiphy_rfkill_set_hw_state(mvm->hw->wiphy, 1832 iwl_mvm_is_radio_killed(mvm)); 1833 } 1834 1835 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state) 1836 { 1837 if (state) 1838 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1839 else 1840 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1841 1842 iwl_mvm_set_rfkill_state(mvm); 1843 } 1844 1845 struct iwl_mvm_csme_conn_info *iwl_mvm_get_csme_conn_info(struct iwl_mvm *mvm) 1846 { 1847 return rcu_dereference_protected(mvm->csme_conn_info, 1848 lockdep_is_held(&mvm->mutex)); 1849 } 1850 1851 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) 1852 { 1853 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1854 bool rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done); 1855 bool unified = iwl_mvm_has_unified_ucode(mvm); 1856 1857 if (state) { 1858 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1859 wake_up(&mvm->rx_sync_waitq); 1860 } else { 1861 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1862 } 1863 1864 iwl_mvm_set_rfkill_state(mvm); 1865 1866 /* iwl_run_init_mvm_ucode is waiting for results, abort it. */ 1867 if (rfkill_safe_init_done) 1868 iwl_abort_notification_waits(&mvm->notif_wait); 1869 1870 /* 1871 * Don't ask the transport to stop the firmware. We'll do it 1872 * after cfg80211 takes us down. 1873 */ 1874 if (unified) 1875 return false; 1876 1877 /* 1878 * Stop the device if we run OPERATIONAL firmware or if we are in the 1879 * middle of the calibrations. 1880 */ 1881 return state && rfkill_safe_init_done; 1882 } 1883 1884 static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) 1885 { 1886 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1887 struct ieee80211_tx_info *info; 1888 1889 info = IEEE80211_SKB_CB(skb); 1890 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]); 1891 ieee80211_free_txskb(mvm->hw, skb); 1892 } 1893 1894 struct iwl_mvm_reprobe { 1895 struct device *dev; 1896 struct work_struct work; 1897 }; 1898 1899 static void iwl_mvm_reprobe_wk(struct work_struct *wk) 1900 { 1901 struct iwl_mvm_reprobe *reprobe; 1902 1903 reprobe = container_of(wk, struct iwl_mvm_reprobe, work); 1904 if (device_reprobe(reprobe->dev)) 1905 dev_err(reprobe->dev, "reprobe failed!\n"); 1906 put_device(reprobe->dev); 1907 kfree(reprobe); 1908 module_put(THIS_MODULE); 1909 } 1910 1911 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) 1912 { 1913 iwl_abort_notification_waits(&mvm->notif_wait); 1914 iwl_dbg_tlv_del_timers(mvm->trans); 1915 1916 /* 1917 * This is a bit racy, but worst case we tell mac80211 about 1918 * a stopped/aborted scan when that was already done which 1919 * is not a problem. It is necessary to abort any os scan 1920 * here because mac80211 requires having the scan cleared 1921 * before restarting. 1922 * We'll reset the scan_status to NONE in restart cleanup in 1923 * the next start() call from mac80211. If restart isn't called 1924 * (no fw restart) scan status will stay busy. 1925 */ 1926 iwl_mvm_report_scan_aborted(mvm); 1927 1928 /* 1929 * If we're restarting already, don't cycle restarts. 1930 * If INIT fw asserted, it will likely fail again. 1931 * If WoWLAN fw asserted, don't restart either, mac80211 1932 * can't recover this since we're already half suspended. 1933 */ 1934 if (!mvm->fw_restart && fw_error) { 1935 iwl_fw_error_collect(&mvm->fwrt, false); 1936 } else if (test_bit(IWL_MVM_STATUS_STARTING, 1937 &mvm->status)) { 1938 IWL_ERR(mvm, "Starting mac, retry will be triggered anyway\n"); 1939 } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1940 struct iwl_mvm_reprobe *reprobe; 1941 1942 IWL_ERR(mvm, 1943 "Firmware error during reconfiguration - reprobe!\n"); 1944 1945 /* 1946 * get a module reference to avoid doing this while unloading 1947 * anyway and to avoid scheduling a work with code that's 1948 * being removed. 1949 */ 1950 if (!try_module_get(THIS_MODULE)) { 1951 IWL_ERR(mvm, "Module is being unloaded - abort\n"); 1952 return; 1953 } 1954 1955 reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC); 1956 if (!reprobe) { 1957 module_put(THIS_MODULE); 1958 return; 1959 } 1960 reprobe->dev = get_device(mvm->trans->dev); 1961 INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk); 1962 schedule_work(&reprobe->work); 1963 } else if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1964 &mvm->status)) { 1965 IWL_ERR(mvm, "HW restart already requested, but not started\n"); 1966 } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR && 1967 mvm->hw_registered && 1968 !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) { 1969 /* This should be first thing before trying to collect any 1970 * data to avoid endless loops if any HW error happens while 1971 * collecting debug data. 1972 */ 1973 set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1974 1975 if (mvm->fw->ucode_capa.error_log_size) { 1976 u32 src_size = mvm->fw->ucode_capa.error_log_size; 1977 u32 src_addr = mvm->fw->ucode_capa.error_log_addr; 1978 u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC); 1979 1980 if (recover_buf) { 1981 mvm->error_recovery_buf = recover_buf; 1982 iwl_trans_read_mem_bytes(mvm->trans, 1983 src_addr, 1984 recover_buf, 1985 src_size); 1986 } 1987 } 1988 1989 iwl_fw_error_collect(&mvm->fwrt, false); 1990 1991 if (fw_error && mvm->fw_restart > 0) { 1992 mvm->fw_restart--; 1993 ieee80211_restart_hw(mvm->hw); 1994 } else if (mvm->fwrt.trans->dbg.restart_required) { 1995 IWL_DEBUG_INFO(mvm, "FW restart requested after debug collection\n"); 1996 mvm->fwrt.trans->dbg.restart_required = false; 1997 ieee80211_restart_hw(mvm->hw); 1998 } else if (mvm->trans->trans_cfg->device_family <= IWL_DEVICE_FAMILY_8000) { 1999 ieee80211_restart_hw(mvm->hw); 2000 } 2001 } 2002 } 2003 2004 static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode, bool sync) 2005 { 2006 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2007 2008 if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status) && 2009 !test_and_clear_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, 2010 &mvm->status)) 2011 iwl_mvm_dump_nic_error_log(mvm); 2012 2013 if (sync) { 2014 iwl_fw_error_collect(&mvm->fwrt, true); 2015 /* 2016 * Currently, the only case for sync=true is during 2017 * shutdown, so just stop in this case. If/when that 2018 * changes, we need to be a bit smarter here. 2019 */ 2020 return; 2021 } 2022 2023 /* 2024 * If the firmware crashes while we're already considering it 2025 * to be dead then don't ask for a restart, that cannot do 2026 * anything useful anyway. 2027 */ 2028 if (!test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status)) 2029 return; 2030 2031 iwl_mvm_nic_restart(mvm, false); 2032 } 2033 2034 static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode) 2035 { 2036 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2037 2038 WARN_ON(1); 2039 iwl_mvm_nic_restart(mvm, true); 2040 } 2041 2042 static void iwl_op_mode_mvm_time_point(struct iwl_op_mode *op_mode, 2043 enum iwl_fw_ini_time_point tp_id, 2044 union iwl_dbg_tlv_tp_data *tp_data) 2045 { 2046 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2047 2048 iwl_dbg_tlv_time_point(&mvm->fwrt, tp_id, tp_data); 2049 } 2050 2051 #define IWL_MVM_COMMON_OPS \ 2052 /* these could be differentiated */ \ 2053 .queue_full = iwl_mvm_stop_sw_queue, \ 2054 .queue_not_full = iwl_mvm_wake_sw_queue, \ 2055 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \ 2056 .free_skb = iwl_mvm_free_skb, \ 2057 .nic_error = iwl_mvm_nic_error, \ 2058 .cmd_queue_full = iwl_mvm_cmd_queue_full, \ 2059 .nic_config = iwl_mvm_nic_config, \ 2060 /* as we only register one, these MUST be common! */ \ 2061 .start = iwl_op_mode_mvm_start, \ 2062 .stop = iwl_op_mode_mvm_stop, \ 2063 .time_point = iwl_op_mode_mvm_time_point 2064 2065 static const struct iwl_op_mode_ops iwl_mvm_ops = { 2066 IWL_MVM_COMMON_OPS, 2067 .rx = iwl_mvm_rx, 2068 }; 2069 2070 static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode, 2071 struct napi_struct *napi, 2072 struct iwl_rx_cmd_buffer *rxb, 2073 unsigned int queue) 2074 { 2075 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2076 struct iwl_rx_packet *pkt = rxb_addr(rxb); 2077 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 2078 2079 if (unlikely(queue >= mvm->trans->num_rx_queues)) 2080 return; 2081 2082 if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))) 2083 iwl_mvm_rx_frame_release(mvm, napi, rxb, queue); 2084 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, 2085 RX_QUEUES_NOTIFICATION))) 2086 iwl_mvm_rx_queue_notif(mvm, napi, rxb, queue); 2087 else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 2088 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue); 2089 } 2090 2091 static const struct iwl_op_mode_ops iwl_mvm_ops_mq = { 2092 IWL_MVM_COMMON_OPS, 2093 .rx = iwl_mvm_rx_mq, 2094 .rx_rss = iwl_mvm_rx_mq_rss, 2095 }; 2096