1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2 /* 3 * Copyright (C) 2012-2014, 2018-2026 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-nvm-utils.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 }; 45 46 module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, 0444); 47 MODULE_PARM_DESC(power_scheme, 48 "power management scheme: 1-active, 2-balanced, 3-low power, default: 2"); 49 50 /* 51 * module init and exit functions 52 */ 53 static int __init iwl_mvm_init(void) 54 { 55 int ret; 56 57 ret = iwl_mvm_rate_control_register(); 58 if (ret) { 59 pr_err("Unable to register rate control algorithm: %d\n", ret); 60 return ret; 61 } 62 63 ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops); 64 if (ret) { 65 pr_err("Unable to register MVM op_mode: %d\n", ret); 66 iwl_mvm_rate_control_unregister(); 67 } 68 69 return ret; 70 } 71 module_init(iwl_mvm_init); 72 73 static void __exit iwl_mvm_exit(void) 74 { 75 iwl_opmode_deregister("iwlmvm"); 76 iwl_mvm_rate_control_unregister(); 77 } 78 module_exit(iwl_mvm_exit); 79 80 static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode) 81 { 82 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 83 u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash; 84 u32 reg_val; 85 u32 phy_config = iwl_mvm_get_phy_config(mvm); 86 87 radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >> 88 FW_PHY_CFG_RADIO_TYPE_POS; 89 radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >> 90 FW_PHY_CFG_RADIO_STEP_POS; 91 radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >> 92 FW_PHY_CFG_RADIO_DASH_POS; 93 94 IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type, 95 radio_cfg_step, radio_cfg_dash); 96 97 if (mvm->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) 98 return; 99 100 /* SKU control */ 101 reg_val = CSR_HW_REV_STEP_DASH(mvm->trans->info.hw_rev); 102 103 /* radio configuration */ 104 reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE; 105 reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP; 106 reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH; 107 108 WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) & 109 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE); 110 111 /* 112 * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC 113 * sampling, and shouldn't be set to any non-zero value. 114 * The same is supposed to be true of the other HW, but unsetting 115 * them (such as the 7260) causes automatic tests to fail on seemingly 116 * unrelated errors. Need to further investigate this, but for now 117 * we'll separate cases. 118 */ 119 if (mvm->trans->mac_cfg->device_family < IWL_DEVICE_FAMILY_8000) 120 reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI; 121 122 if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt)) 123 reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG; 124 125 iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG, 126 CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP_DASH | 127 CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE | 128 CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP | 129 CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH | 130 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | 131 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI | 132 CSR_HW_IF_CONFIG_REG_D3_DEBUG, 133 reg_val); 134 135 /* 136 * W/A : NIC is stuck in a reset state after Early PCIe power off 137 * (PCIe power is lost before PERST# is asserted), causing ME FW 138 * to lose ownership and not being able to obtain it back. 139 */ 140 if (!mvm->trans->mac_cfg->base->apmg_not_supported) 141 iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG, 142 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS, 143 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); 144 } 145 146 static void iwl_mvm_rx_monitor_notif(struct iwl_mvm *mvm, 147 struct iwl_rx_cmd_buffer *rxb) 148 { 149 struct iwl_rx_packet *pkt = rxb_addr(rxb); 150 struct iwl_datapath_monitor_notif *notif = (void *)pkt->data; 151 struct ieee80211_supported_band *sband; 152 const struct ieee80211_sta_he_cap *he_cap; 153 struct ieee80211_vif *vif; 154 155 if (notif->type != cpu_to_le32(IWL_DP_MON_NOTIF_TYPE_EXT_CCA)) 156 return; 157 158 /* mac_id = link_id since we don't support MLO */ 159 vif = iwl_mvm_rcu_dereference_vif_id(mvm, notif->link_id, false); 160 if (!vif || vif->type != NL80211_IFTYPE_STATION) 161 return; 162 163 if (!vif->bss_conf.chanreq.oper.chan || 164 vif->bss_conf.chanreq.oper.chan->band != NL80211_BAND_2GHZ || 165 vif->bss_conf.chanreq.oper.width < NL80211_CHAN_WIDTH_40) 166 return; 167 168 if (!vif->cfg.assoc) 169 return; 170 171 /* this shouldn't happen *again*, ignore it */ 172 if (mvm->cca_40mhz_workaround) 173 return; 174 175 /* 176 * We'll decrement this on disconnect - so set to 2 since we'll 177 * still have to disconnect from the current AP first. 178 */ 179 mvm->cca_40mhz_workaround = 2; 180 181 /* 182 * This capability manipulation isn't really ideal, but it's the 183 * easiest choice - otherwise we'd have to do some major changes 184 * in mac80211 to support this, which isn't worth it. This does 185 * mean that userspace may have outdated information, but that's 186 * actually not an issue at all. 187 */ 188 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 189 190 WARN_ON(!sband->ht_cap.ht_supported); 191 WARN_ON(!(sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)); 192 sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; 193 194 he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 195 196 if (he_cap) { 197 /* we know that ours is writable */ 198 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; 199 200 WARN_ON(!he->has_he); 201 WARN_ON(!(he->he_cap_elem.phy_cap_info[0] & 202 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)); 203 he->he_cap_elem.phy_cap_info[0] &= 204 ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 205 } 206 207 ieee80211_disconnect(vif, true); 208 } 209 210 void iwl_mvm_update_link_smps(struct ieee80211_vif *vif, 211 struct ieee80211_bss_conf *link_conf) 212 { 213 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 214 struct iwl_mvm *mvm = mvmvif->mvm; 215 enum ieee80211_smps_mode mode = IEEE80211_SMPS_AUTOMATIC; 216 217 if (!link_conf) 218 return; 219 220 if (mvm->fw_static_smps_request && 221 link_conf->chanreq.oper.width == NL80211_CHAN_WIDTH_160 && 222 link_conf->he_support) 223 mode = IEEE80211_SMPS_STATIC; 224 225 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_FW, mode, 226 link_conf->link_id); 227 } 228 229 static void iwl_mvm_intf_dual_chain_req(void *data, u8 *mac, 230 struct ieee80211_vif *vif) 231 { 232 struct ieee80211_bss_conf *link_conf; 233 unsigned int link_id; 234 235 rcu_read_lock(); 236 237 for_each_vif_active_link(vif, link_conf, link_id) 238 iwl_mvm_update_link_smps(vif, link_conf); 239 240 rcu_read_unlock(); 241 } 242 243 static void iwl_mvm_rx_thermal_dual_chain_req(struct iwl_mvm *mvm, 244 struct iwl_rx_cmd_buffer *rxb) 245 { 246 struct iwl_rx_packet *pkt = rxb_addr(rxb); 247 struct iwl_thermal_dual_chain_request *req = (void *)pkt->data; 248 249 /* firmware is expected to handle that in RLC offload mode */ 250 if (IWL_FW_CHECK(mvm, iwl_mvm_has_rlc_offload(mvm), 251 "Got THERMAL_DUAL_CHAIN_REQUEST (0x%x) in RLC offload mode\n", 252 req->event)) 253 return; 254 255 /* 256 * We could pass it to the iterator data, but also need to remember 257 * it for new interfaces that are added while in this state. 258 */ 259 mvm->fw_static_smps_request = 260 req->event == cpu_to_le32(THERMAL_DUAL_CHAIN_REQ_DISABLE); 261 ieee80211_iterate_interfaces(mvm->hw, 262 IEEE80211_IFACE_SKIP_SDATA_NOT_IN_DRIVER, 263 iwl_mvm_intf_dual_chain_req, NULL); 264 } 265 266 /** 267 * enum iwl_rx_handler_context: context for Rx handler 268 * @RX_HANDLER_SYNC : this means that it will be called in the Rx path 269 * which can't acquire mvm->mutex. 270 * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex 271 * (and only in this case!), it should be set as ASYNC. In that case, 272 * it will be called from a worker with mvm->mutex held. 273 * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the 274 * mutex itself, it will be called from a worker without mvm->mutex held. 275 * @RX_HANDLER_ASYNC_LOCKED_WIPHY: If the handler needs to hold the wiphy lock 276 * and mvm->mutex. Will be handled with the wiphy_work queue infra 277 * instead of regular work queue. 278 */ 279 enum iwl_rx_handler_context { 280 RX_HANDLER_SYNC, 281 RX_HANDLER_ASYNC_LOCKED, 282 RX_HANDLER_ASYNC_UNLOCKED, 283 RX_HANDLER_ASYNC_LOCKED_WIPHY, 284 }; 285 286 /** 287 * struct iwl_rx_handlers: handler for FW notification 288 * @cmd_id: command id 289 * @min_size: minimum size to expect for the notification 290 * @context: see &iwl_rx_handler_context 291 * @fn: the function is called when notification is received 292 */ 293 struct iwl_rx_handlers { 294 u16 cmd_id, min_size; 295 enum iwl_rx_handler_context context; 296 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 297 }; 298 299 #define RX_HANDLER_NO_SIZE(_cmd_id, _fn, _context) \ 300 { .cmd_id = _cmd_id, .fn = _fn, .context = _context, } 301 #define RX_HANDLER_GRP_NO_SIZE(_grp, _cmd, _fn, _context) \ 302 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context, } 303 #define RX_HANDLER(_cmd_id, _fn, _context, _struct) \ 304 { .cmd_id = _cmd_id, .fn = _fn, \ 305 .context = _context, .min_size = sizeof(_struct), } 306 #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context, _struct) \ 307 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, \ 308 .context = _context, .min_size = sizeof(_struct), } 309 310 /* 311 * Handlers for fw notifications 312 * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME 313 * This list should be in order of frequency for performance purposes. 314 * 315 * The handler can be one from three contexts, see &iwl_rx_handler_context 316 */ 317 static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { 318 RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC, 319 struct iwl_tx_resp), 320 RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC, 321 struct iwl_mvm_ba_notif), 322 323 RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF, 324 iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC, 325 struct iwl_tlc_update_notif), 326 327 RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_old_notif, 328 RX_HANDLER_ASYNC_LOCKED_WIPHY, 329 struct iwl_bt_coex_prof_old_notif), 330 RX_HANDLER_NO_SIZE(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, 331 RX_HANDLER_ASYNC_LOCKED), 332 RX_HANDLER_NO_SIZE(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, 333 RX_HANDLER_ASYNC_LOCKED), 334 335 RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_NOTIF, 336 iwl_mvm_handle_rx_system_oper_stats, 337 RX_HANDLER_ASYNC_LOCKED_WIPHY, 338 struct iwl_system_statistics_notif_oper_v3), 339 RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_PART1_NOTIF, 340 iwl_mvm_handle_rx_system_oper_part1_stats, 341 RX_HANDLER_ASYNC_LOCKED, 342 struct iwl_system_statistics_part1_notif_oper), 343 RX_HANDLER_GRP(SYSTEM_GROUP, SYSTEM_STATISTICS_END_NOTIF, 344 iwl_mvm_handle_rx_system_end_stats_notif, 345 RX_HANDLER_ASYNC_LOCKED, 346 struct iwl_system_statistics_end_notif), 347 348 RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID, 349 iwl_mvm_window_status_notif, RX_HANDLER_SYNC, 350 struct iwl_ba_window_status_notif), 351 352 RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, 353 RX_HANDLER_SYNC, struct iwl_time_event_notif), 354 RX_HANDLER_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF, 355 iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC, 356 struct iwl_session_prot_notif), 357 RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc, 358 RX_HANDLER_ASYNC_LOCKED, struct iwl_mcc_chub_notif), 359 360 RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC, 361 struct iwl_mvm_eosp_notification), 362 363 RX_HANDLER(SCAN_ITERATION_COMPLETE, 364 iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC, 365 struct iwl_lmac_scan_complete_notif), 366 RX_HANDLER(SCAN_OFFLOAD_COMPLETE, 367 iwl_mvm_rx_lmac_scan_complete_notif, 368 RX_HANDLER_ASYNC_LOCKED, struct iwl_periodic_scan_complete), 369 RX_HANDLER_NO_SIZE(MATCH_FOUND_NOTIFICATION, 370 iwl_mvm_rx_scan_match_found, 371 RX_HANDLER_SYNC), 372 RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif, 373 RX_HANDLER_ASYNC_LOCKED, 374 struct iwl_umac_scan_complete), 375 RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC, 376 iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC, 377 struct iwl_umac_scan_iter_complete_notif), 378 379 RX_HANDLER(MISSED_BEACONS_NOTIFICATION, 380 iwl_mvm_rx_missed_beacons_notif_legacy, 381 RX_HANDLER_ASYNC_LOCKED_WIPHY, 382 struct iwl_missed_beacons_notif_v4), 383 384 RX_HANDLER_GRP(MAC_CONF_GROUP, MISSED_BEACONS_NOTIF, 385 iwl_mvm_rx_missed_beacons_notif, 386 RX_HANDLER_ASYNC_LOCKED_WIPHY, 387 struct iwl_missed_beacons_notif), 388 RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC, 389 struct iwl_error_resp), 390 RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION, 391 iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC, 392 struct iwl_uapsd_misbehaving_ap_notif), 393 RX_HANDLER_NO_SIZE(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, 394 RX_HANDLER_ASYNC_LOCKED), 395 RX_HANDLER_GRP_NO_SIZE(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE, 396 iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED), 397 RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION, 398 iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC, 399 struct ct_kill_notif), 400 401 RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif, 402 RX_HANDLER_ASYNC_LOCKED, 403 struct iwl_tdls_channel_switch_notif), 404 RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, 405 RX_HANDLER_SYNC, struct iwl_mfuart_load_notif_v1), 406 RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS, 407 iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED, 408 struct iwl_ftm_responder_stats), 409 410 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF, 411 iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED), 412 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_LC_NOTIF, 413 iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED), 414 415 RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF, 416 iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC, 417 struct iwl_mfu_assert_dump_notif), 418 RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF, 419 iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC, 420 struct iwl_stored_beacon_notif_v2), 421 RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF, 422 iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC, 423 struct iwl_mu_group_mgmt_notif), 424 RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF, 425 iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC, 426 struct iwl_mvm_pm_state_notification), 427 RX_HANDLER_GRP(MAC_CONF_GROUP, PROBE_RESPONSE_DATA_NOTIF, 428 iwl_mvm_probe_resp_data_notif, 429 RX_HANDLER_ASYNC_LOCKED, 430 struct iwl_probe_resp_data_notif), 431 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_START_NOTIF, 432 iwl_mvm_channel_switch_start_notif, 433 RX_HANDLER_SYNC, struct iwl_channel_switch_start_notif), 434 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_ERROR_NOTIF, 435 iwl_mvm_channel_switch_error_notif, 436 RX_HANDLER_ASYNC_UNLOCKED, 437 struct iwl_channel_switch_error_notif), 438 439 RX_HANDLER_GRP(DATA_PATH_GROUP, MONITOR_NOTIF, 440 iwl_mvm_rx_monitor_notif, RX_HANDLER_ASYNC_LOCKED, 441 struct iwl_datapath_monitor_notif), 442 443 RX_HANDLER_GRP(DATA_PATH_GROUP, THERMAL_DUAL_CHAIN_REQUEST, 444 iwl_mvm_rx_thermal_dual_chain_req, 445 RX_HANDLER_ASYNC_LOCKED, 446 struct iwl_thermal_dual_chain_request), 447 448 RX_HANDLER_GRP(SYSTEM_GROUP, RFI_DEACTIVATE_NOTIF, 449 iwl_rfi_deactivate_notif_handler, RX_HANDLER_ASYNC_UNLOCKED, 450 struct iwl_rfi_deactivate_notif), 451 452 RX_HANDLER_GRP(LEGACY_GROUP, 453 WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION, 454 iwl_mvm_time_sync_msmt_event, RX_HANDLER_SYNC, 455 struct iwl_time_msmt_notify), 456 RX_HANDLER_GRP(LEGACY_GROUP, 457 WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION, 458 iwl_mvm_time_sync_msmt_confirm_event, RX_HANDLER_SYNC, 459 struct iwl_time_msmt_cfm_notify), 460 RX_HANDLER_GRP(MAC_CONF_GROUP, ROC_NOTIF, 461 iwl_mvm_rx_roc_notif, RX_HANDLER_ASYNC_LOCKED, 462 struct iwl_roc_notif), 463 RX_HANDLER_GRP(SCAN_GROUP, CHANNEL_SURVEY_NOTIF, 464 iwl_mvm_rx_channel_survey_notif, RX_HANDLER_ASYNC_LOCKED, 465 struct iwl_umac_scan_channel_survey_notif), 466 RX_HANDLER_GRP(DATA_PATH_GROUP, BEACON_FILTER_IN_NOTIF, 467 iwl_mvm_rx_beacon_filter_notif, 468 RX_HANDLER_ASYNC_LOCKED, 469 /* same size as v1 */ 470 struct iwl_beacon_filter_notif), 471 }; 472 #undef RX_HANDLER 473 #undef RX_HANDLER_GRP 474 475 /* Please keep this array *SORTED* by hex value. 476 * Access is done through binary search 477 */ 478 static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = { 479 HCMD_NAME(UCODE_ALIVE_NTFY), 480 HCMD_NAME(REPLY_ERROR), 481 HCMD_NAME(ECHO_CMD), 482 HCMD_NAME(INIT_COMPLETE_NOTIF), 483 HCMD_NAME(PHY_CONTEXT_CMD), 484 HCMD_NAME(DBG_CFG), 485 HCMD_NAME(SCAN_CFG_CMD), 486 HCMD_NAME(SCAN_REQ_UMAC), 487 HCMD_NAME(SCAN_ABORT_UMAC), 488 HCMD_NAME(SCAN_COMPLETE_UMAC), 489 HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID), 490 HCMD_NAME(ADD_STA_KEY), 491 HCMD_NAME(ADD_STA), 492 HCMD_NAME(REMOVE_STA), 493 HCMD_NAME(TX_CMD), 494 HCMD_NAME(SCD_QUEUE_CFG), 495 HCMD_NAME(TXPATH_FLUSH), 496 HCMD_NAME(MGMT_MCAST_KEY), 497 HCMD_NAME(WEP_KEY), 498 HCMD_NAME(SHARED_MEM_CFG), 499 HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD), 500 HCMD_NAME(MAC_CONTEXT_CMD), 501 HCMD_NAME(TIME_EVENT_CMD), 502 HCMD_NAME(TIME_EVENT_NOTIFICATION), 503 HCMD_NAME(BINDING_CONTEXT_CMD), 504 HCMD_NAME(TIME_QUOTA_CMD), 505 HCMD_NAME(NON_QOS_TX_COUNTER_CMD), 506 HCMD_NAME(LEDS_CMD), 507 HCMD_NAME(LQ_CMD), 508 HCMD_NAME(FW_PAGING_BLOCK_CMD), 509 HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD), 510 HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD), 511 HCMD_NAME(HOT_SPOT_CMD), 512 HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD), 513 HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP), 514 HCMD_NAME(BT_COEX_CI), 515 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION), 516 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION), 517 HCMD_NAME(PHY_CONFIGURATION_CMD), 518 HCMD_NAME(CALIB_RES_NOTIF_PHY_DB), 519 HCMD_NAME(PHY_DB_CMD), 520 HCMD_NAME(SCAN_OFFLOAD_COMPLETE), 521 HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD), 522 HCMD_NAME(POWER_TABLE_CMD), 523 HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION), 524 HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF), 525 HCMD_NAME(NVM_ACCESS_CMD), 526 HCMD_NAME(BEACON_NOTIFICATION), 527 HCMD_NAME(BEACON_TEMPLATE_CMD), 528 HCMD_NAME(TX_ANT_CONFIGURATION_CMD), 529 HCMD_NAME(BT_CONFIG), 530 HCMD_NAME(STATISTICS_CMD), 531 HCMD_NAME(STATISTICS_NOTIFICATION), 532 HCMD_NAME(EOSP_NOTIFICATION), 533 HCMD_NAME(REDUCE_TX_POWER_CMD), 534 HCMD_NAME(MISSED_BEACONS_NOTIFICATION), 535 HCMD_NAME(TDLS_CONFIG_CMD), 536 HCMD_NAME(MAC_PM_POWER_TABLE), 537 HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION), 538 HCMD_NAME(MFUART_LOAD_NOTIFICATION), 539 HCMD_NAME(RSS_CONFIG_CMD), 540 HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC), 541 HCMD_NAME(REPLY_RX_PHY_CMD), 542 HCMD_NAME(REPLY_RX_MPDU_CMD), 543 HCMD_NAME(BAR_FRAME_RELEASE), 544 HCMD_NAME(FRAME_RELEASE), 545 HCMD_NAME(BA_NOTIF), 546 HCMD_NAME(MCC_UPDATE_CMD), 547 HCMD_NAME(MCC_CHUB_UPDATE_CMD), 548 HCMD_NAME(MARKER_CMD), 549 HCMD_NAME(BT_PROFILE_NOTIFICATION), 550 HCMD_NAME(MCAST_FILTER_CMD), 551 HCMD_NAME(REPLY_SF_CFG_CMD), 552 HCMD_NAME(REPLY_BEACON_FILTERING_CMD), 553 HCMD_NAME(D3_CONFIG_CMD), 554 HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD), 555 HCMD_NAME(MATCH_FOUND_NOTIFICATION), 556 HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION), 557 HCMD_NAME(WOWLAN_PATTERNS), 558 HCMD_NAME(WOWLAN_CONFIGURATION), 559 HCMD_NAME(WOWLAN_TSC_RSC_PARAM), 560 HCMD_NAME(WOWLAN_TKIP_PARAM), 561 HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL), 562 HCMD_NAME(WOWLAN_GET_STATUSES), 563 HCMD_NAME(SCAN_ITERATION_COMPLETE), 564 HCMD_NAME(D0I3_END_CMD), 565 HCMD_NAME(LTR_CONFIG), 566 HCMD_NAME(LDBG_CONFIG_CMD), 567 HCMD_NAME(DEBUG_LOG_MSG), 568 }; 569 570 /* Please keep this array *SORTED* by hex value. 571 * Access is done through binary search 572 */ 573 static const struct iwl_hcmd_names iwl_mvm_system_names[] = { 574 HCMD_NAME(SHARED_MEM_CFG_CMD), 575 HCMD_NAME(SOC_CONFIGURATION_CMD), 576 HCMD_NAME(INIT_EXTENDED_CFG_CMD), 577 HCMD_NAME(FW_ERROR_RECOVERY_CMD), 578 HCMD_NAME(RFI_CONFIG_CMD), 579 HCMD_NAME(RFI_GET_FREQ_TABLE_CMD), 580 HCMD_NAME(SYSTEM_FEATURES_CONTROL_CMD), 581 HCMD_NAME(SYSTEM_STATISTICS_CMD), 582 HCMD_NAME(SYSTEM_STATISTICS_END_NOTIF), 583 HCMD_NAME(RFI_DEACTIVATE_NOTIF), 584 }; 585 586 /* Please keep this array *SORTED* by hex value. 587 * Access is done through binary search 588 */ 589 static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = { 590 HCMD_NAME(LOW_LATENCY_CMD), 591 HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD), 592 HCMD_NAME(SESSION_PROTECTION_CMD), 593 HCMD_NAME(CANCEL_CHANNEL_SWITCH_CMD), 594 HCMD_NAME(MAC_CONFIG_CMD), 595 HCMD_NAME(LINK_CONFIG_CMD), 596 HCMD_NAME(STA_CONFIG_CMD), 597 HCMD_NAME(AUX_STA_CMD), 598 HCMD_NAME(STA_REMOVE_CMD), 599 HCMD_NAME(STA_DISABLE_TX_CMD), 600 HCMD_NAME(ROC_CMD), 601 HCMD_NAME(ROC_NOTIF), 602 HCMD_NAME(CHANNEL_SWITCH_ERROR_NOTIF), 603 HCMD_NAME(MISSED_VAP_NOTIF), 604 HCMD_NAME(SESSION_PROTECTION_NOTIF), 605 HCMD_NAME(PROBE_RESPONSE_DATA_NOTIF), 606 HCMD_NAME(CHANNEL_SWITCH_START_NOTIF), 607 }; 608 609 /* Please keep this array *SORTED* by hex value. 610 * Access is done through binary search 611 */ 612 static const struct iwl_hcmd_names iwl_mvm_phy_names[] = { 613 HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE), 614 HCMD_NAME(CTDP_CONFIG_CMD), 615 HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD), 616 HCMD_NAME(PER_CHAIN_LIMIT_OFFSET_CMD), 617 HCMD_NAME(AP_TX_POWER_CONSTRAINTS_CMD), 618 HCMD_NAME(CT_KILL_NOTIFICATION), 619 HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE), 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_data_path_names[] = { 626 HCMD_NAME(DQA_ENABLE_CMD), 627 HCMD_NAME(UPDATE_MU_GROUPS_CMD), 628 HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD), 629 HCMD_NAME(WNM_PLATFORM_PTM_REQUEST_CMD), 630 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD), 631 HCMD_NAME(STA_HE_CTXT_CMD), 632 HCMD_NAME(RLC_CONFIG_CMD), 633 HCMD_NAME(RFH_QUEUE_CONFIG_CMD), 634 HCMD_NAME(TLC_MNG_CONFIG_CMD), 635 HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD), 636 HCMD_NAME(SCD_QUEUE_CONFIG_CMD), 637 HCMD_NAME(SEC_KEY_CMD), 638 HCMD_NAME(MONITOR_NOTIF), 639 HCMD_NAME(THERMAL_DUAL_CHAIN_REQUEST), 640 HCMD_NAME(BEACON_FILTER_IN_NOTIF), 641 HCMD_NAME(STA_PM_NOTIF), 642 HCMD_NAME(MU_GROUP_MGMT_NOTIF), 643 HCMD_NAME(RX_QUEUES_NOTIFICATION), 644 }; 645 646 /* Please keep this array *SORTED* by hex value. 647 * Access is done through binary search 648 */ 649 static const struct iwl_hcmd_names iwl_mvm_statistics_names[] = { 650 HCMD_NAME(STATISTICS_OPER_NOTIF), 651 HCMD_NAME(STATISTICS_OPER_PART1_NOTIF), 652 }; 653 654 /* Please keep this array *SORTED* by hex value. 655 * Access is done through binary search 656 */ 657 static const struct iwl_hcmd_names iwl_mvm_debug_names[] = { 658 HCMD_NAME(LMAC_RD_WR), 659 HCMD_NAME(UMAC_RD_WR), 660 HCMD_NAME(HOST_EVENT_CFG), 661 HCMD_NAME(DBGC_SUSPEND_RESUME), 662 HCMD_NAME(BUFFER_ALLOCATION), 663 HCMD_NAME(GET_TAS_STATUS), 664 HCMD_NAME(FW_DUMP_COMPLETE_CMD), 665 HCMD_NAME(FW_CLEAR_BUFFER), 666 HCMD_NAME(MFU_ASSERT_DUMP_NTF), 667 }; 668 669 /* Please keep this array *SORTED* by hex value. 670 * Access is done through binary search 671 */ 672 static const struct iwl_hcmd_names iwl_mvm_scan_names[] = { 673 HCMD_NAME(CHANNEL_SURVEY_NOTIF), 674 HCMD_NAME(OFFLOAD_MATCH_INFO_NOTIF), 675 }; 676 677 /* Please keep this array *SORTED* by hex value. 678 * Access is done through binary search 679 */ 680 static const struct iwl_hcmd_names iwl_mvm_location_names[] = { 681 HCMD_NAME(TOF_RANGE_REQ_CMD), 682 HCMD_NAME(TOF_CONFIG_CMD), 683 HCMD_NAME(TOF_RANGE_ABORT_CMD), 684 HCMD_NAME(TOF_RANGE_REQ_EXT_CMD), 685 HCMD_NAME(TOF_RESPONDER_CONFIG_CMD), 686 HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD), 687 HCMD_NAME(TOF_LC_NOTIF), 688 HCMD_NAME(TOF_RESPONDER_STATS), 689 HCMD_NAME(TOF_MCSI_DEBUG_NOTIF), 690 HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF), 691 }; 692 693 /* Please keep this array *SORTED* by hex value. 694 * Access is done through binary search 695 */ 696 static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = { 697 HCMD_NAME(WOWLAN_WAKE_PKT_NOTIFICATION), 698 HCMD_NAME(WOWLAN_INFO_NOTIFICATION), 699 HCMD_NAME(D3_END_NOTIFICATION), 700 HCMD_NAME(STORED_BEACON_NTF), 701 }; 702 703 /* Please keep this array *SORTED* by hex value. 704 * Access is done through binary search 705 */ 706 static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = { 707 HCMD_NAME(NVM_ACCESS_COMPLETE), 708 HCMD_NAME(NVM_GET_INFO), 709 HCMD_NAME(TAS_CONFIG), 710 HCMD_NAME(LARI_CONFIG_EXTENSION), 711 }; 712 713 /* Please keep this array *SORTED* by hex value. 714 * Access is done through binary search 715 */ 716 static const struct iwl_hcmd_names iwl_mvm_bt_coex_names[] = { 717 HCMD_NAME(PROFILE_NOTIF), 718 }; 719 720 VISIBLE_IF_IWLWIFI_KUNIT 721 const struct iwl_hcmd_arr iwl_mvm_groups[] = { 722 [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), 723 [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), 724 [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names), 725 [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names), 726 [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names), 727 [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names), 728 [SCAN_GROUP] = HCMD_ARR(iwl_mvm_scan_names), 729 [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names), 730 [BT_COEX_GROUP] = HCMD_ARR(iwl_mvm_bt_coex_names), 731 [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names), 732 [REGULATORY_AND_NVM_GROUP] = 733 HCMD_ARR(iwl_mvm_regulatory_and_nvm_names), 734 [DEBUG_GROUP] = HCMD_ARR(iwl_mvm_debug_names), 735 [STATISTICS_GROUP] = HCMD_ARR(iwl_mvm_statistics_names), 736 }; 737 EXPORT_SYMBOL_IF_IWLWIFI_KUNIT(iwl_mvm_groups); 738 #if IS_ENABLED(CONFIG_IWLWIFI_KUNIT_TESTS) 739 const unsigned int iwl_mvm_groups_size = ARRAY_SIZE(iwl_mvm_groups); 740 EXPORT_SYMBOL_IF_IWLWIFI_KUNIT(iwl_mvm_groups_size); 741 #endif 742 743 /* this forward declaration can avoid to export the function */ 744 static void iwl_mvm_async_handlers_wk(struct work_struct *wk); 745 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy, 746 struct wiphy_work *work); 747 748 static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm) 749 { 750 const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs; 751 u64 dflt_pwr_limit; 752 753 if (!backoff) 754 return 0; 755 756 iwl_bios_get_pwr_limit(&mvm->fwrt, &dflt_pwr_limit); 757 758 while (backoff->pwr) { 759 if (dflt_pwr_limit >= backoff->pwr) 760 return backoff->backoff; 761 762 backoff++; 763 } 764 765 return 0; 766 } 767 768 static void iwl_mvm_tx_unblock_dwork(struct work_struct *work) 769 { 770 struct iwl_mvm *mvm = 771 container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work); 772 struct ieee80211_vif *tx_blocked_vif; 773 struct iwl_mvm_vif *mvmvif; 774 775 guard(mvm)(mvm); 776 777 tx_blocked_vif = 778 rcu_dereference_protected(mvm->csa_tx_blocked_vif, 779 lockdep_is_held(&mvm->mutex)); 780 781 if (!tx_blocked_vif) 782 return; 783 784 mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif); 785 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false); 786 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 787 } 788 789 static void iwl_mvm_fwrt_dump_start(void *ctx) 790 { 791 struct iwl_mvm *mvm = ctx; 792 793 mutex_lock(&mvm->mutex); 794 } 795 796 static void iwl_mvm_fwrt_dump_end(void *ctx) 797 { 798 struct iwl_mvm *mvm = ctx; 799 800 mutex_unlock(&mvm->mutex); 801 } 802 803 static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd) 804 { 805 struct iwl_mvm *mvm = (struct iwl_mvm *)ctx; 806 807 guard(mvm)(mvm); 808 return iwl_mvm_send_cmd(mvm, host_cmd); 809 } 810 811 static bool iwl_mvm_d3_debug_enable(void *ctx) 812 { 813 return IWL_MVM_D3_DEBUG; 814 } 815 816 static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = { 817 .dump_start = iwl_mvm_fwrt_dump_start, 818 .dump_end = iwl_mvm_fwrt_dump_end, 819 .send_hcmd = iwl_mvm_fwrt_send_hcmd, 820 .d3_debug_enable = iwl_mvm_d3_debug_enable, 821 }; 822 823 static int iwl_mvm_start_get_nvm(struct iwl_mvm *mvm) 824 { 825 struct iwl_trans *trans = mvm->trans; 826 int ret; 827 828 if (trans->csme_own) { 829 if (WARN(!mvm->mei_registered, 830 "csme is owner, but we aren't registered to iwlmei\n")) 831 goto get_nvm_from_fw; 832 833 mvm->mei_nvm_data = iwl_mei_get_nvm(); 834 if (mvm->mei_nvm_data) { 835 /* 836 * mvm->mei_nvm_data is set and because of that, 837 * we'll load the NVM from the FW when we'll get 838 * ownership. 839 */ 840 mvm->nvm_data = 841 iwl_parse_mei_nvm_data(trans, trans->cfg, 842 mvm->mei_nvm_data, 843 mvm->fw, 844 mvm->set_tx_ant, 845 mvm->set_rx_ant); 846 return 0; 847 } 848 849 IWL_ERR(mvm, 850 "Got a NULL NVM from CSME, trying to get it from the device\n"); 851 } 852 853 get_nvm_from_fw: 854 rtnl_lock(); 855 wiphy_lock(mvm->hw->wiphy); 856 mutex_lock(&mvm->mutex); 857 858 ret = iwl_trans_start_hw(mvm->trans); 859 if (ret) { 860 mutex_unlock(&mvm->mutex); 861 wiphy_unlock(mvm->hw->wiphy); 862 rtnl_unlock(); 863 return ret; 864 } 865 866 ret = iwl_run_init_mvm_ucode(mvm); 867 if (ret && ret != -ERFKILL) 868 iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER); 869 if (!ret && iwl_mvm_is_lar_supported(mvm)) { 870 mvm->hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 871 ret = iwl_mvm_init_mcc(mvm); 872 } 873 874 iwl_mvm_stop_device(mvm); 875 876 mutex_unlock(&mvm->mutex); 877 wiphy_unlock(mvm->hw->wiphy); 878 rtnl_unlock(); 879 880 if (ret) 881 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret); 882 883 /* no longer need this regardless of failure or not */ 884 mvm->fw_product_reset = false; 885 886 return ret; 887 } 888 889 static int iwl_mvm_start_post_nvm(struct iwl_mvm *mvm) 890 { 891 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused; 892 int ret; 893 894 iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx); 895 896 ret = iwl_mvm_mac_setup_register(mvm); 897 if (ret) 898 return ret; 899 900 mvm->hw_registered = true; 901 902 iwl_mvm_dbgfs_register(mvm); 903 904 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy, 905 mvm->mei_rfkill_blocked, 906 RFKILL_HARD_BLOCK_NOT_OWNER); 907 908 iwl_mvm_mei_set_sw_rfkill_state(mvm); 909 910 return 0; 911 } 912 913 struct iwl_mvm_frob_txf_data { 914 u8 *buf; 915 size_t buflen; 916 }; 917 918 static void iwl_mvm_frob_txf_key_iter(struct ieee80211_hw *hw, 919 struct ieee80211_vif *vif, 920 struct ieee80211_sta *sta, 921 struct ieee80211_key_conf *key, 922 void *data) 923 { 924 struct iwl_mvm_frob_txf_data *txf = data; 925 u8 keylen, match, matchend; 926 u8 *keydata; 927 size_t i; 928 929 switch (key->cipher) { 930 case WLAN_CIPHER_SUITE_CCMP: 931 keydata = key->key; 932 keylen = key->keylen; 933 break; 934 case WLAN_CIPHER_SUITE_WEP40: 935 case WLAN_CIPHER_SUITE_WEP104: 936 case WLAN_CIPHER_SUITE_TKIP: 937 /* 938 * WEP has short keys which might show up in the payload, 939 * and then you can deduce the key, so in this case just 940 * remove all FIFO data. 941 * For TKIP, we don't know the phase 2 keys here, so same. 942 */ 943 memset(txf->buf, 0xBB, txf->buflen); 944 return; 945 default: 946 return; 947 } 948 949 /* scan for key material and clear it out */ 950 match = 0; 951 for (i = 0; i < txf->buflen; i++) { 952 if (txf->buf[i] != keydata[match]) { 953 match = 0; 954 continue; 955 } 956 match++; 957 if (match == keylen) { 958 memset(txf->buf + i + 1 - keylen, 0xAA, keylen); 959 match = 0; 960 } 961 } 962 963 /* we're dealing with a FIFO, so check wrapped around data */ 964 matchend = match; 965 for (i = 0; match && i < keylen - match; i++) { 966 if (txf->buf[i] != keydata[match]) 967 break; 968 match++; 969 if (match == keylen) { 970 memset(txf->buf, 0xAA, i + 1); 971 memset(txf->buf + txf->buflen - matchend, 0xAA, 972 matchend); 973 break; 974 } 975 } 976 } 977 978 static void iwl_mvm_frob_txf(void *ctx, void *buf, size_t buflen) 979 { 980 struct iwl_mvm_frob_txf_data txf = { 981 .buf = buf, 982 .buflen = buflen, 983 }; 984 struct iwl_mvm *mvm = ctx; 985 986 /* embedded key material exists only on old API */ 987 if (iwl_mvm_has_new_tx_api(mvm)) 988 return; 989 990 rcu_read_lock(); 991 ieee80211_iter_keys_rcu(mvm->hw, NULL, iwl_mvm_frob_txf_key_iter, &txf); 992 rcu_read_unlock(); 993 } 994 995 static void iwl_mvm_frob_hcmd(void *ctx, void *hcmd, size_t len) 996 { 997 /* we only use wide headers for commands */ 998 struct iwl_cmd_header_wide *hdr = hcmd; 999 unsigned int frob_start = sizeof(*hdr), frob_end = 0; 1000 1001 if (len < sizeof(hdr)) 1002 return; 1003 1004 /* all the commands we care about are in LONG_GROUP */ 1005 if (hdr->group_id != LONG_GROUP) 1006 return; 1007 1008 switch (hdr->cmd) { 1009 case WEP_KEY: 1010 case WOWLAN_TKIP_PARAM: 1011 case WOWLAN_KEK_KCK_MATERIAL: 1012 case ADD_STA_KEY: 1013 /* 1014 * blank out everything here, easier than dealing 1015 * with the various versions of the command 1016 */ 1017 frob_end = INT_MAX; 1018 break; 1019 case MGMT_MCAST_KEY: 1020 frob_start = offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk); 1021 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) != 1022 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk)); 1023 1024 frob_end = offsetofend(struct iwl_mvm_mgmt_mcast_key_cmd, igtk); 1025 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) < 1026 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk)); 1027 break; 1028 } 1029 1030 if (frob_start >= frob_end) 1031 return; 1032 1033 if (frob_end > len) 1034 frob_end = len; 1035 1036 memset((u8 *)hcmd + frob_start, 0xAA, frob_end - frob_start); 1037 } 1038 1039 static void iwl_mvm_frob_mem(void *ctx, u32 mem_addr, void *mem, size_t buflen) 1040 { 1041 const struct iwl_dump_exclude *excl; 1042 struct iwl_mvm *mvm = ctx; 1043 int i; 1044 1045 switch (mvm->fwrt.cur_fw_img) { 1046 case IWL_UCODE_INIT: 1047 default: 1048 /* not relevant */ 1049 return; 1050 case IWL_UCODE_REGULAR: 1051 case IWL_UCODE_REGULAR_USNIFFER: 1052 excl = mvm->fw->dump_excl; 1053 break; 1054 case IWL_UCODE_WOWLAN: 1055 excl = mvm->fw->dump_excl_wowlan; 1056 break; 1057 } 1058 1059 BUILD_BUG_ON(sizeof(mvm->fw->dump_excl) != 1060 sizeof(mvm->fw->dump_excl_wowlan)); 1061 1062 for (i = 0; i < ARRAY_SIZE(mvm->fw->dump_excl); i++) { 1063 u32 start, end; 1064 1065 if (!excl[i].addr || !excl[i].size) 1066 continue; 1067 1068 start = excl[i].addr; 1069 end = start + excl[i].size; 1070 1071 if (end <= mem_addr || start >= mem_addr + buflen) 1072 continue; 1073 1074 if (start < mem_addr) 1075 start = mem_addr; 1076 1077 if (end > mem_addr + buflen) 1078 end = mem_addr + buflen; 1079 1080 memset((u8 *)mem + start - mem_addr, 0xAA, end - start); 1081 } 1082 } 1083 1084 static const struct iwl_dump_sanitize_ops iwl_mvm_sanitize_ops = { 1085 .frob_txf = iwl_mvm_frob_txf, 1086 .frob_hcmd = iwl_mvm_frob_hcmd, 1087 .frob_mem = iwl_mvm_frob_mem, 1088 }; 1089 1090 static void iwl_mvm_me_conn_status(void *priv, const struct iwl_mei_conn_info *conn_info) 1091 { 1092 struct iwl_mvm *mvm = priv; 1093 struct iwl_mvm_csme_conn_info *prev_conn_info, *curr_conn_info; 1094 1095 /* 1096 * This is protected by the guarantee that this function will not be 1097 * called twice on two different threads 1098 */ 1099 prev_conn_info = rcu_dereference_protected(mvm->csme_conn_info, true); 1100 1101 curr_conn_info = kzalloc_obj(*curr_conn_info); 1102 if (!curr_conn_info) 1103 return; 1104 1105 curr_conn_info->conn_info = *conn_info; 1106 1107 rcu_assign_pointer(mvm->csme_conn_info, curr_conn_info); 1108 1109 if (prev_conn_info) 1110 kfree_rcu(prev_conn_info, rcu_head); 1111 } 1112 1113 static void iwl_mvm_mei_rfkill(void *priv, bool blocked, 1114 bool csme_taking_ownership) 1115 { 1116 struct iwl_mvm *mvm = priv; 1117 1118 if (blocked && !csme_taking_ownership) 1119 return; 1120 1121 mvm->mei_rfkill_blocked = blocked; 1122 if (!mvm->hw_registered) 1123 return; 1124 1125 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy, 1126 mvm->mei_rfkill_blocked, 1127 RFKILL_HARD_BLOCK_NOT_OWNER); 1128 } 1129 1130 static void iwl_mvm_mei_roaming_forbidden(void *priv, bool forbidden) 1131 { 1132 struct iwl_mvm *mvm = priv; 1133 1134 if (!mvm->hw_registered || !mvm->csme_vif) 1135 return; 1136 1137 iwl_mvm_send_roaming_forbidden_event(mvm, mvm->csme_vif, forbidden); 1138 } 1139 1140 static void iwl_mvm_sap_connected_wk(struct work_struct *wk) 1141 { 1142 struct iwl_mvm *mvm = 1143 container_of(wk, struct iwl_mvm, sap_connected_wk); 1144 int ret; 1145 1146 ret = iwl_mvm_start_get_nvm(mvm); 1147 if (ret) 1148 goto out_free; 1149 1150 ret = iwl_mvm_start_post_nvm(mvm); 1151 if (ret) 1152 goto out_free; 1153 1154 return; 1155 1156 out_free: 1157 IWL_ERR(mvm, "Couldn't get started...\n"); 1158 iwl_mei_start_unregister(); 1159 iwl_mei_unregister_complete(); 1160 iwl_fw_flush_dumps(&mvm->fwrt); 1161 iwl_mvm_thermal_exit(mvm); 1162 iwl_fw_runtime_free(&mvm->fwrt); 1163 iwl_phy_db_free(mvm->phy_db); 1164 kfree(mvm->scan_cmd); 1165 iwl_trans_op_mode_leave(mvm->trans); 1166 kfree(mvm->nvm_data); 1167 kfree(mvm->mei_nvm_data); 1168 1169 ieee80211_free_hw(mvm->hw); 1170 } 1171 1172 static void iwl_mvm_mei_sap_connected(void *priv) 1173 { 1174 struct iwl_mvm *mvm = priv; 1175 1176 if (!mvm->hw_registered) 1177 schedule_work(&mvm->sap_connected_wk); 1178 } 1179 1180 static void iwl_mvm_mei_nic_stolen(void *priv) 1181 { 1182 struct iwl_mvm *mvm = priv; 1183 1184 rtnl_lock(); 1185 cfg80211_shutdown_all_interfaces(mvm->hw->wiphy); 1186 rtnl_unlock(); 1187 } 1188 1189 static const struct iwl_mei_ops mei_ops = { 1190 .me_conn_status = iwl_mvm_me_conn_status, 1191 .rfkill = iwl_mvm_mei_rfkill, 1192 .roaming_forbidden = iwl_mvm_mei_roaming_forbidden, 1193 .sap_connected = iwl_mvm_mei_sap_connected, 1194 .nic_stolen = iwl_mvm_mei_nic_stolen, 1195 }; 1196 1197 static struct iwl_op_mode * 1198 iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_rf_cfg *cfg, 1199 const struct iwl_fw *fw, struct dentry *dbgfs_dir) 1200 { 1201 struct ieee80211_hw *hw; 1202 struct iwl_op_mode *op_mode; 1203 struct iwl_mvm *mvm; 1204 static const u8 no_reclaim_cmds[] = { 1205 TX_CMD, 1206 }; 1207 u32 max_agg; 1208 size_t scan_size; 1209 u32 min_backoff; 1210 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused; 1211 int ratecheck; 1212 int err; 1213 1214 /* 1215 * We use IWL_STATION_COUNT_MAX to check the validity of the station 1216 * index all over the driver - check that its value corresponds to the 1217 * array size. 1218 */ 1219 BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != 1220 IWL_STATION_COUNT_MAX); 1221 1222 /******************************** 1223 * 1. Allocating and configuring HW data 1224 ********************************/ 1225 hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) + 1226 sizeof(struct iwl_mvm), 1227 iwl_mvm_has_mld_api(fw) ? &iwl_mvm_mld_hw_ops : 1228 &iwl_mvm_hw_ops); 1229 if (!hw) 1230 return ERR_PTR(-ENOMEM); 1231 1232 if (trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) 1233 max_agg = 512; 1234 else 1235 max_agg = IEEE80211_MAX_AMPDU_BUF_HE; 1236 1237 hw->max_rx_aggregation_subframes = max_agg; 1238 1239 op_mode = hw->priv; 1240 1241 mvm = IWL_OP_MODE_GET_MVM(op_mode); 1242 mvm->dev = trans->dev; 1243 mvm->trans = trans; 1244 mvm->cfg = cfg; 1245 mvm->fw = fw; 1246 mvm->hw = hw; 1247 1248 iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm, 1249 &iwl_mvm_sanitize_ops, mvm, dbgfs_dir); 1250 1251 iwl_mvm_get_bios_tables(mvm); 1252 iwl_uefi_get_sgom_table(trans, &mvm->fwrt); 1253 iwl_uefi_get_step_table(trans); 1254 iwl_bios_setup_step(trans, &mvm->fwrt); 1255 1256 mvm->init_status = 0; 1257 1258 /* start with v1 rates */ 1259 mvm->fw_rates_ver = 1; 1260 1261 /* check for rates version 2 */ 1262 ratecheck = 1263 (iwl_fw_lookup_cmd_ver(mvm->fw, TX_CMD, 0) >= 8) + 1264 (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP, 1265 TLC_MNG_UPDATE_NOTIF, 0) >= 3) + 1266 (iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, 1267 REPLY_RX_MPDU_CMD, 0) >= 4) + 1268 (iwl_fw_lookup_notif_ver(mvm->fw, LONG_GROUP, TX_CMD, 0) >= 6); 1269 if (ratecheck != 0 && ratecheck != 4) { 1270 IWL_ERR(mvm, "Firmware has inconsistent rates\n"); 1271 err = -EINVAL; 1272 goto out_free; 1273 } 1274 if (ratecheck == 4) 1275 mvm->fw_rates_ver = 2; 1276 1277 /* check for rates version 3 */ 1278 ratecheck = 1279 (iwl_fw_lookup_cmd_ver(mvm->fw, TX_CMD, 0) >= 11) + 1280 (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP, 1281 TLC_MNG_UPDATE_NOTIF, 0) >= 4) + 1282 (iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, 1283 REPLY_RX_MPDU_CMD, 0) >= 6) + 1284 (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP, 1285 RX_NO_DATA_NOTIF, 0) >= 4) + 1286 (iwl_fw_lookup_notif_ver(mvm->fw, LONG_GROUP, TX_CMD, 0) >= 9); 1287 if (ratecheck != 0 && ratecheck != 5) { 1288 IWL_ERR(mvm, "Firmware has inconsistent rates\n"); 1289 err = -EINVAL; 1290 goto out_free; 1291 } 1292 if (ratecheck == 5) 1293 mvm->fw_rates_ver = 3; 1294 1295 trans->conf.rx_mpdu_cmd = REPLY_RX_MPDU_CMD; 1296 1297 if (iwl_mvm_has_new_rx_api(mvm)) { 1298 op_mode->ops = &iwl_mvm_ops_mq; 1299 trans->conf.rx_mpdu_cmd_hdr_size = 1300 (trans->mac_cfg->device_family >= 1301 IWL_DEVICE_FAMILY_AX210) ? 1302 sizeof(struct iwl_rx_mpdu_desc) : 1303 IWL_RX_DESC_SIZE_V1; 1304 } else { 1305 op_mode->ops = &iwl_mvm_ops; 1306 trans->conf.rx_mpdu_cmd_hdr_size = 1307 sizeof(struct iwl_rx_mpdu_res_start); 1308 1309 if (WARN_ON(trans->info.num_rxqs > 1)) { 1310 err = -EINVAL; 1311 goto out_free; 1312 } 1313 } 1314 1315 if (iwl_mvm_has_new_tx_api(mvm)) { 1316 /* 1317 * If we have the new TX/queue allocation API initialize them 1318 * all to invalid numbers. We'll rewrite the ones that we need 1319 * later, but that doesn't happen for all of them all of the 1320 * time (e.g. P2P Device is optional), and if a dynamic queue 1321 * ends up getting number 2 (IWL_MVM_DQA_P2P_DEVICE_QUEUE) then 1322 * iwl_mvm_is_static_queue() erroneously returns true, and we 1323 * might have things getting stuck. 1324 */ 1325 mvm->aux_queue = IWL_MVM_INVALID_QUEUE; 1326 mvm->snif_queue = IWL_MVM_INVALID_QUEUE; 1327 mvm->probe_queue = IWL_MVM_INVALID_QUEUE; 1328 mvm->p2p_dev_queue = IWL_MVM_INVALID_QUEUE; 1329 } else { 1330 mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE; 1331 mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE; 1332 mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE; 1333 mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE; 1334 } 1335 1336 mvm->sf_state = SF_UNINIT; 1337 if (iwl_mvm_has_unified_ucode(mvm)) 1338 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR); 1339 else 1340 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT); 1341 mvm->drop_bcn_ap_mode = true; 1342 1343 mutex_init(&mvm->mutex); 1344 spin_lock_init(&mvm->async_handlers_lock); 1345 INIT_LIST_HEAD(&mvm->time_event_list); 1346 INIT_LIST_HEAD(&mvm->aux_roc_te_list); 1347 INIT_LIST_HEAD(&mvm->async_handlers_list); 1348 spin_lock_init(&mvm->time_event_lock); 1349 INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list); 1350 INIT_LIST_HEAD(&mvm->ftm_initiator.pasn_list); 1351 INIT_LIST_HEAD(&mvm->resp_pasn_list); 1352 1353 INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); 1354 INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); 1355 INIT_WORK(&mvm->sap_connected_wk, iwl_mvm_sap_connected_wk); 1356 INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work); 1357 INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk); 1358 INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk); 1359 INIT_LIST_HEAD(&mvm->add_stream_txqs); 1360 spin_lock_init(&mvm->add_stream_lock); 1361 1362 wiphy_work_init(&mvm->async_handlers_wiphy_wk, 1363 iwl_mvm_async_handlers_wiphy_wk); 1364 1365 init_waitqueue_head(&mvm->rx_sync_waitq); 1366 1367 mvm->queue_sync_state = 0; 1368 1369 SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev); 1370 1371 spin_lock_init(&mvm->tcm.lock); 1372 INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work); 1373 mvm->tcm.ts = jiffies; 1374 mvm->tcm.ll_ts = jiffies; 1375 mvm->tcm.uapsd_nonagg_ts = jiffies; 1376 1377 INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork); 1378 1379 mvm->cmd_ver.range_resp = 1380 iwl_fw_lookup_notif_ver(mvm->fw, LOCATION_GROUP, 1381 TOF_RANGE_RESPONSE_NOTIF, 5); 1382 /* we only support up to version 9 */ 1383 if (WARN_ON_ONCE(mvm->cmd_ver.range_resp > 9)) { 1384 err = -EINVAL; 1385 goto out_free; 1386 } 1387 1388 /* 1389 * Populate the state variables that the transport layer needs 1390 * to know about. 1391 */ 1392 BUILD_BUG_ON(sizeof(no_reclaim_cmds) > 1393 sizeof(trans->conf.no_reclaim_cmds)); 1394 memcpy(trans->conf.no_reclaim_cmds, no_reclaim_cmds, 1395 sizeof(no_reclaim_cmds)); 1396 trans->conf.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); 1397 1398 trans->conf.rx_buf_size = iwl_amsdu_size_to_rxb_size(); 1399 1400 trans->conf.wide_cmd_header = true; 1401 1402 trans->conf.command_groups = iwl_mvm_groups; 1403 trans->conf.command_groups_size = ARRAY_SIZE(iwl_mvm_groups); 1404 1405 trans->conf.cmd_queue = IWL_MVM_DQA_CMD_QUEUE; 1406 trans->conf.cmd_fifo = IWL_MVM_TX_FIFO_CMD; 1407 trans->conf.scd_set_active = true; 1408 1409 trans->conf.cb_data_offs = offsetof(struct ieee80211_tx_info, 1410 driver_data[2]); 1411 1412 snprintf(mvm->hw->wiphy->fw_version, 1413 sizeof(mvm->hw->wiphy->fw_version), 1414 "%.31s", fw->fw_version); 1415 1416 trans->conf.fw_reset_handshake = 1417 fw_has_capa(&mvm->fw->ucode_capa, 1418 IWL_UCODE_TLV_CAPA_FW_RESET_HANDSHAKE); 1419 1420 /* Those firmware versions claim to support the fw_reset_handshake 1421 * but they are buggy. 1422 */ 1423 if (IWL_UCODE_MAJOR(mvm->fw->ucode_ver) <= 77) 1424 trans->conf.fw_reset_handshake = false; 1425 1426 trans->conf.queue_alloc_cmd_ver = 1427 iwl_fw_lookup_cmd_ver(mvm->fw, 1428 WIDE_ID(DATA_PATH_GROUP, 1429 SCD_QUEUE_CONFIG_CMD), 1430 0); 1431 mvm->sta_remove_requires_queue_remove = 1432 trans->conf.queue_alloc_cmd_ver > 0; 1433 1434 mvm->mld_api_is_used = iwl_mvm_has_mld_api(mvm->fw); 1435 1436 /* Configure transport layer */ 1437 iwl_trans_op_mode_enter(mvm->trans, op_mode); 1438 1439 trans->dbg.dest_tlv = mvm->fw->dbg.dest_tlv; 1440 trans->dbg.n_dest_reg = mvm->fw->dbg.n_dest_reg; 1441 1442 /* set up notification wait support */ 1443 iwl_notification_wait_init(&mvm->notif_wait); 1444 1445 /* Init phy db */ 1446 mvm->phy_db = iwl_phy_db_init(trans); 1447 if (!mvm->phy_db) { 1448 IWL_ERR(mvm, "Cannot init phy_db\n"); 1449 err = -ENOMEM; 1450 goto out_free; 1451 } 1452 1453 if (iwlwifi_mod_params.nvm_file) 1454 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file; 1455 else 1456 IWL_DEBUG_EEPROM(mvm->trans->dev, 1457 "working without external nvm file\n"); 1458 1459 scan_size = iwl_mvm_scan_size(mvm); 1460 1461 mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL); 1462 if (!mvm->scan_cmd) { 1463 err = -ENOMEM; 1464 goto out_free; 1465 } 1466 mvm->scan_cmd_size = scan_size; 1467 1468 /* invalidate ids to prevent accidental removal of sta_id 0 */ 1469 mvm->aux_sta.sta_id = IWL_INVALID_STA; 1470 mvm->snif_sta.sta_id = IWL_INVALID_STA; 1471 1472 /* Set EBS as successful as long as not stated otherwise by the FW. */ 1473 mvm->last_ebs_successful = true; 1474 1475 min_backoff = iwl_mvm_min_backoff(mvm); 1476 iwl_mvm_thermal_initialize(mvm, min_backoff); 1477 1478 if (!iwl_mvm_has_new_rx_stats_api(mvm)) 1479 memset(&mvm->rx_stats_v3, 0, 1480 sizeof(struct mvm_statistics_rx_v3)); 1481 else 1482 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx)); 1483 1484 iwl_mvm_ftm_initiator_smooth_config(mvm); 1485 1486 iwl_mvm_init_time_sync(&mvm->time_sync); 1487 1488 mvm->debugfs_dir = dbgfs_dir; 1489 1490 mvm->mei_registered = !iwl_mei_register(mvm, &mei_ops); 1491 1492 iwl_mvm_mei_scan_filter_init(&mvm->mei_scan_filter); 1493 1494 err = iwl_mvm_start_get_nvm(mvm); 1495 if (err) { 1496 /* 1497 * Getting NVM failed while CSME is the owner, but we are 1498 * registered to MEI, we'll get the NVM later when it'll be 1499 * possible to get it from CSME. 1500 */ 1501 if (trans->csme_own && mvm->mei_registered) 1502 return op_mode; 1503 1504 goto out_thermal_exit; 1505 } 1506 1507 1508 err = iwl_mvm_start_post_nvm(mvm); 1509 if (err) 1510 goto out_thermal_exit; 1511 1512 return op_mode; 1513 1514 out_thermal_exit: 1515 iwl_mvm_thermal_exit(mvm); 1516 if (mvm->mei_registered) { 1517 iwl_mei_start_unregister(); 1518 iwl_mei_unregister_complete(); 1519 } 1520 out_free: 1521 iwl_fw_flush_dumps(&mvm->fwrt); 1522 iwl_fw_runtime_free(&mvm->fwrt); 1523 1524 iwl_phy_db_free(mvm->phy_db); 1525 kfree(mvm->scan_cmd); 1526 iwl_trans_op_mode_leave(trans); 1527 1528 ieee80211_free_hw(mvm->hw); 1529 return ERR_PTR(err); 1530 } 1531 1532 void iwl_mvm_stop_device(struct iwl_mvm *mvm) 1533 { 1534 lockdep_assert_held(&mvm->mutex); 1535 1536 iwl_fw_cancel_timestamp(&mvm->fwrt); 1537 1538 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1539 mvm->sf_state = SF_UNINIT; 1540 1541 iwl_mvm_pause_tcm(mvm, false); 1542 1543 iwl_fw_dbg_stop_sync(&mvm->fwrt); 1544 iwl_trans_stop_device(mvm->trans); 1545 iwl_free_fw_paging(&mvm->fwrt); 1546 iwl_fw_dump_conf_clear(&mvm->fwrt); 1547 iwl_mvm_mei_device_state(mvm, false); 1548 } 1549 1550 static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) 1551 { 1552 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1553 int i; 1554 1555 if (mvm->mei_registered) { 1556 rtnl_lock(); 1557 iwl_mei_set_netdev(NULL); 1558 rtnl_unlock(); 1559 iwl_mei_start_unregister(); 1560 } 1561 1562 /* 1563 * After we unregister from mei, the worker can't be scheduled 1564 * anymore. 1565 */ 1566 cancel_work_sync(&mvm->sap_connected_wk); 1567 1568 iwl_mvm_leds_exit(mvm); 1569 1570 iwl_mvm_thermal_exit(mvm); 1571 1572 /* 1573 * If we couldn't get ownership on the device and we couldn't 1574 * get the NVM from CSME, we haven't registered to mac80211. 1575 * In that case, we didn't fail op_mode_start, because we are 1576 * waiting for CSME to allow us to get the NVM to register to 1577 * mac80211. If that didn't happen, we haven't registered to 1578 * mac80211, hence the if below. 1579 */ 1580 if (mvm->hw_registered) 1581 ieee80211_unregister_hw(mvm->hw); 1582 1583 kfree(mvm->scan_cmd); 1584 kfree(mvm->mcast_filter_cmd); 1585 mvm->mcast_filter_cmd = NULL; 1586 1587 kfree(mvm->error_recovery_buf); 1588 mvm->error_recovery_buf = NULL; 1589 1590 iwl_mvm_ptp_remove(mvm); 1591 1592 iwl_trans_op_mode_leave(mvm->trans); 1593 1594 iwl_phy_db_free(mvm->phy_db); 1595 mvm->phy_db = NULL; 1596 1597 kfree(mvm->nvm_data); 1598 kfree(mvm->mei_nvm_data); 1599 kfree(rcu_access_pointer(mvm->csme_conn_info)); 1600 kfree(mvm->temp_nvm_data); 1601 for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++) 1602 kfree(mvm->nvm_sections[i].data); 1603 kfree(mvm->acs_survey); 1604 1605 cancel_delayed_work_sync(&mvm->tcm.work); 1606 1607 iwl_fw_runtime_free(&mvm->fwrt); 1608 mutex_destroy(&mvm->mutex); 1609 1610 if (mvm->mei_registered) 1611 iwl_mei_unregister_complete(); 1612 1613 ieee80211_free_hw(mvm->hw); 1614 } 1615 1616 struct iwl_async_handler_entry { 1617 struct list_head list; 1618 struct iwl_rx_cmd_buffer rxb; 1619 enum iwl_rx_handler_context context; 1620 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1621 }; 1622 1623 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm) 1624 { 1625 struct iwl_async_handler_entry *entry, *tmp; 1626 1627 spin_lock_bh(&mvm->async_handlers_lock); 1628 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { 1629 iwl_free_rxb(&entry->rxb); 1630 list_del(&entry->list); 1631 kfree(entry); 1632 } 1633 spin_unlock_bh(&mvm->async_handlers_lock); 1634 } 1635 1636 /* 1637 * This function receives a bitmap of rx async handler contexts 1638 * (&iwl_rx_handler_context) to handle, and runs only them 1639 */ 1640 static void iwl_mvm_async_handlers_by_context(struct iwl_mvm *mvm, 1641 u8 contexts) 1642 { 1643 struct iwl_async_handler_entry *entry, *tmp; 1644 LIST_HEAD(local_list); 1645 1646 /* 1647 * Sync with Rx path with a lock. Remove all the entries of the 1648 * wanted contexts from this list, add them to a local one (lock free), 1649 * and then handle them. 1650 */ 1651 spin_lock_bh(&mvm->async_handlers_lock); 1652 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { 1653 if (!(BIT(entry->context) & contexts)) 1654 continue; 1655 list_del(&entry->list); 1656 list_add_tail(&entry->list, &local_list); 1657 } 1658 spin_unlock_bh(&mvm->async_handlers_lock); 1659 1660 list_for_each_entry_safe(entry, tmp, &local_list, list) { 1661 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED) 1662 mutex_lock(&mvm->mutex); 1663 entry->fn(mvm, &entry->rxb); 1664 iwl_free_rxb(&entry->rxb); 1665 list_del(&entry->list); 1666 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED) 1667 mutex_unlock(&mvm->mutex); 1668 kfree(entry); 1669 } 1670 } 1671 1672 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy, 1673 struct wiphy_work *wk) 1674 { 1675 struct iwl_mvm *mvm = 1676 container_of(wk, struct iwl_mvm, async_handlers_wiphy_wk); 1677 u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED_WIPHY); 1678 1679 iwl_mvm_async_handlers_by_context(mvm, contexts); 1680 } 1681 1682 static void iwl_mvm_async_handlers_wk(struct work_struct *wk) 1683 { 1684 struct iwl_mvm *mvm = 1685 container_of(wk, struct iwl_mvm, async_handlers_wk); 1686 u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED) | 1687 BIT(RX_HANDLER_ASYNC_UNLOCKED); 1688 1689 iwl_mvm_async_handlers_by_context(mvm, contexts); 1690 } 1691 1692 static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm, 1693 struct iwl_rx_packet *pkt) 1694 { 1695 struct iwl_fw_dbg_trigger_tlv *trig; 1696 struct iwl_fw_dbg_trigger_cmd *cmds_trig; 1697 int i; 1698 1699 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL, 1700 FW_DBG_TRIGGER_FW_NOTIF); 1701 if (!trig) 1702 return; 1703 1704 cmds_trig = (void *)trig->data; 1705 1706 for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) { 1707 /* don't collect on CMD 0 */ 1708 if (!cmds_trig->cmds[i].cmd_id) 1709 break; 1710 1711 if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd || 1712 cmds_trig->cmds[i].group_id != pkt->hdr.group_id) 1713 continue; 1714 1715 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 1716 "CMD 0x%02x.%02x received", 1717 pkt->hdr.group_id, pkt->hdr.cmd); 1718 break; 1719 } 1720 } 1721 1722 static void iwl_mvm_rx_common(struct iwl_mvm *mvm, 1723 struct iwl_rx_cmd_buffer *rxb, 1724 struct iwl_rx_packet *pkt) 1725 { 1726 unsigned int pkt_len = iwl_rx_packet_payload_len(pkt); 1727 int i; 1728 union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt }; 1729 1730 iwl_dbg_tlv_time_point(&mvm->fwrt, 1731 IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data); 1732 iwl_mvm_rx_check_trigger(mvm, pkt); 1733 1734 /* 1735 * Do the notification wait before RX handlers so 1736 * even if the RX handler consumes the RXB we have 1737 * access to it in the notification wait entry. 1738 */ 1739 iwl_notification_wait_notify(&mvm->notif_wait, pkt); 1740 1741 for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) { 1742 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i]; 1743 struct iwl_async_handler_entry *entry; 1744 1745 if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd)) 1746 continue; 1747 1748 if (IWL_FW_CHECK(mvm, pkt_len < rx_h->min_size, 1749 "unexpected notification 0x%04x size %d, need %d\n", 1750 rx_h->cmd_id, pkt_len, rx_h->min_size)) 1751 return; 1752 1753 if (rx_h->context == RX_HANDLER_SYNC) { 1754 rx_h->fn(mvm, rxb); 1755 return; 1756 } 1757 1758 entry = kzalloc_obj(*entry, GFP_ATOMIC); 1759 /* we can't do much... */ 1760 if (!entry) 1761 return; 1762 1763 entry->rxb._page = rxb_steal_page(rxb); 1764 entry->rxb._offset = rxb->_offset; 1765 entry->rxb._rx_page_order = rxb->_rx_page_order; 1766 entry->fn = rx_h->fn; 1767 entry->context = rx_h->context; 1768 spin_lock(&mvm->async_handlers_lock); 1769 list_add_tail(&entry->list, &mvm->async_handlers_list); 1770 spin_unlock(&mvm->async_handlers_lock); 1771 if (rx_h->context == RX_HANDLER_ASYNC_LOCKED_WIPHY) 1772 wiphy_work_queue(mvm->hw->wiphy, 1773 &mvm->async_handlers_wiphy_wk); 1774 else 1775 schedule_work(&mvm->async_handlers_wk); 1776 break; 1777 } 1778 } 1779 1780 static void iwl_mvm_rx(struct iwl_op_mode *op_mode, 1781 struct napi_struct *napi, 1782 struct iwl_rx_cmd_buffer *rxb) 1783 { 1784 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1785 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1786 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1787 1788 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1789 iwl_mvm_rx_rx_mpdu(mvm, napi, rxb); 1790 else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD)) 1791 iwl_mvm_rx_rx_phy_cmd(mvm, rxb); 1792 else 1793 iwl_mvm_rx_common(mvm, rxb, pkt); 1794 } 1795 1796 void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode, 1797 struct napi_struct *napi, 1798 struct iwl_rx_cmd_buffer *rxb) 1799 { 1800 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1801 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1802 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1803 1804 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1805 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0); 1806 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, 1807 RX_QUEUES_NOTIFICATION))) 1808 iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0); 1809 else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)) 1810 iwl_mvm_rx_frame_release(mvm, napi, rxb, 0); 1811 else if (cmd == WIDE_ID(LEGACY_GROUP, BAR_FRAME_RELEASE)) 1812 iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0); 1813 else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF)) 1814 iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0); 1815 else 1816 iwl_mvm_rx_common(mvm, rxb, pkt); 1817 } 1818 1819 static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue) 1820 { 1821 return queue == mvm->aux_queue || queue == mvm->probe_queue || 1822 queue == mvm->p2p_dev_queue || queue == mvm->snif_queue; 1823 } 1824 1825 static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode, 1826 int hw_queue, bool start) 1827 { 1828 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1829 struct ieee80211_sta *sta; 1830 struct ieee80211_txq *txq; 1831 struct iwl_mvm_txq *mvmtxq; 1832 int i; 1833 unsigned long tid_bitmap; 1834 struct iwl_mvm_sta *mvmsta; 1835 u8 sta_id; 1836 1837 sta_id = iwl_mvm_has_new_tx_api(mvm) ? 1838 mvm->tvqm_info[hw_queue].sta_id : 1839 mvm->queue_info[hw_queue].ra_sta_id; 1840 1841 if (WARN_ON_ONCE(sta_id >= mvm->fw->ucode_capa.num_stations)) 1842 return; 1843 1844 rcu_read_lock(); 1845 1846 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); 1847 if (IS_ERR_OR_NULL(sta)) 1848 goto out; 1849 mvmsta = iwl_mvm_sta_from_mac80211(sta); 1850 1851 if (iwl_mvm_is_static_queue(mvm, hw_queue)) { 1852 if (!start) 1853 ieee80211_stop_queues(mvm->hw); 1854 else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST) 1855 ieee80211_wake_queues(mvm->hw); 1856 1857 goto out; 1858 } 1859 1860 if (iwl_mvm_has_new_tx_api(mvm)) { 1861 int tid = mvm->tvqm_info[hw_queue].txq_tid; 1862 1863 tid_bitmap = BIT(tid); 1864 } else { 1865 tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap; 1866 } 1867 1868 for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) { 1869 int tid = i; 1870 1871 if (tid == IWL_MAX_TID_COUNT) 1872 tid = IEEE80211_NUM_TIDS; 1873 1874 txq = sta->txq[tid]; 1875 mvmtxq = iwl_mvm_txq_from_mac80211(txq); 1876 if (start) 1877 clear_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state); 1878 else 1879 set_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state); 1880 1881 if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST) { 1882 local_bh_disable(); 1883 iwl_mvm_mac_itxq_xmit(mvm->hw, txq); 1884 local_bh_enable(); 1885 } 1886 } 1887 1888 out: 1889 rcu_read_unlock(); 1890 } 1891 1892 static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) 1893 { 1894 iwl_mvm_queue_state_change(op_mode, hw_queue, false); 1895 } 1896 1897 static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) 1898 { 1899 iwl_mvm_queue_state_change(op_mode, hw_queue, true); 1900 } 1901 1902 static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm) 1903 { 1904 wiphy_rfkill_set_hw_state(mvm->hw->wiphy, 1905 iwl_mvm_is_radio_killed(mvm)); 1906 } 1907 1908 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state) 1909 { 1910 if (state) 1911 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1912 else 1913 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1914 1915 iwl_mvm_set_rfkill_state(mvm); 1916 } 1917 1918 struct iwl_mvm_csme_conn_info *iwl_mvm_get_csme_conn_info(struct iwl_mvm *mvm) 1919 { 1920 return rcu_dereference_protected(mvm->csme_conn_info, 1921 lockdep_is_held(&mvm->mutex)); 1922 } 1923 1924 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) 1925 { 1926 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1927 bool rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done); 1928 bool unified = iwl_mvm_has_unified_ucode(mvm); 1929 1930 if (state) 1931 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1932 else 1933 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1934 1935 iwl_mvm_set_rfkill_state(mvm); 1936 1937 /* iwl_run_init_mvm_ucode is waiting for results, abort it. */ 1938 if (rfkill_safe_init_done) 1939 iwl_abort_notification_waits(&mvm->notif_wait); 1940 1941 /* 1942 * Don't ask the transport to stop the firmware. We'll do it 1943 * after cfg80211 takes us down. 1944 */ 1945 if (unified) 1946 return false; 1947 1948 /* 1949 * Stop the device if we run OPERATIONAL firmware or if we are in the 1950 * middle of the calibrations. 1951 */ 1952 return state && rfkill_safe_init_done; 1953 } 1954 1955 static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) 1956 { 1957 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1958 struct ieee80211_tx_info *info; 1959 1960 info = IEEE80211_SKB_CB(skb); 1961 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]); 1962 ieee80211_free_txskb(mvm->hw, skb); 1963 } 1964 1965 static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode, 1966 enum iwl_fw_error_type type) 1967 { 1968 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1969 1970 iwl_abort_notification_waits(&mvm->notif_wait); 1971 iwl_dbg_tlv_del_timers(mvm->trans); 1972 1973 if (type == IWL_ERR_TYPE_CMD_QUEUE_FULL) 1974 IWL_ERR(mvm, "Command queue full!\n"); 1975 else if (!iwl_trans_is_dead(mvm->trans) && 1976 !test_and_clear_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, 1977 &mvm->status)) 1978 iwl_mvm_dump_nic_error_log(mvm); 1979 1980 /* 1981 * This should be first thing before trying to collect any 1982 * data to avoid endless loops if any HW error happens while 1983 * collecting debug data. 1984 * It might not actually be true that we'll restart, but the 1985 * setting of the bit doesn't matter if we're going to be 1986 * unbound either. 1987 */ 1988 if (type != IWL_ERR_TYPE_RESET_HS_TIMEOUT) 1989 set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1990 } 1991 1992 static void iwl_mvm_dump_error(struct iwl_op_mode *op_mode, 1993 struct iwl_fw_error_dump_mode *mode) 1994 { 1995 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1996 1997 /* if we come in from opmode we have the mutex held */ 1998 if (mode->context == IWL_ERR_CONTEXT_FROM_OPMODE) { 1999 lockdep_assert_held(&mvm->mutex); 2000 iwl_fw_error_collect(&mvm->fwrt); 2001 } else { 2002 mutex_lock(&mvm->mutex); 2003 if (mode->context != IWL_ERR_CONTEXT_ABORT) 2004 iwl_fw_error_collect(&mvm->fwrt); 2005 mutex_unlock(&mvm->mutex); 2006 } 2007 } 2008 2009 static bool iwl_mvm_sw_reset(struct iwl_op_mode *op_mode, 2010 enum iwl_fw_error_type type) 2011 { 2012 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2013 2014 /* 2015 * If the firmware crashes while we're already considering it 2016 * to be dead then don't ask for a restart, that cannot do 2017 * anything useful anyway. 2018 */ 2019 if (!test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status)) 2020 return false; 2021 2022 /* 2023 * This is a bit racy, but worst case we tell mac80211 about 2024 * a stopped/aborted scan when that was already done which 2025 * is not a problem. It is necessary to abort any os scan 2026 * here because mac80211 requires having the scan cleared 2027 * before restarting. 2028 * We'll reset the scan_status to NONE in restart cleanup in 2029 * the next start() call from mac80211. If restart isn't called 2030 * (no fw restart) scan status will stay busy. 2031 */ 2032 iwl_mvm_report_scan_aborted(mvm); 2033 2034 /* 2035 * If INIT fw asserted, it will likely fail again. 2036 * If WoWLAN fw asserted, don't restart either, mac80211 2037 * can't recover this since we're already half suspended. 2038 */ 2039 if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR && mvm->hw_registered) { 2040 if (mvm->fw->ucode_capa.error_log_size) { 2041 u32 src_size = mvm->fw->ucode_capa.error_log_size; 2042 u32 src_addr = mvm->fw->ucode_capa.error_log_addr; 2043 u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC); 2044 2045 if (recover_buf) { 2046 mvm->error_recovery_buf = recover_buf; 2047 iwl_trans_read_mem_bytes(mvm->trans, 2048 src_addr, 2049 recover_buf, 2050 src_size); 2051 } 2052 } 2053 2054 if (mvm->fwrt.trans->dbg.restart_required) { 2055 IWL_DEBUG_INFO(mvm, "FW restart requested after debug collection\n"); 2056 mvm->fwrt.trans->dbg.restart_required = false; 2057 ieee80211_restart_hw(mvm->hw); 2058 return true; 2059 } else if (mvm->trans->mac_cfg->device_family <= IWL_DEVICE_FAMILY_8000) { 2060 ieee80211_restart_hw(mvm->hw); 2061 return true; 2062 } 2063 } 2064 2065 return false; 2066 } 2067 2068 static void iwl_op_mode_mvm_time_point(struct iwl_op_mode *op_mode, 2069 enum iwl_fw_ini_time_point tp_id, 2070 union iwl_dbg_tlv_tp_data *tp_data) 2071 { 2072 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2073 2074 iwl_dbg_tlv_time_point(&mvm->fwrt, tp_id, tp_data); 2075 } 2076 2077 static void iwl_mvm_dump(struct iwl_op_mode *op_mode) 2078 { 2079 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2080 struct iwl_fw_runtime *fwrt = &mvm->fwrt; 2081 2082 if (!iwl_trans_fw_running(fwrt->trans)) 2083 return; 2084 2085 iwl_dbg_tlv_time_point(fwrt, IWL_FW_INI_TIME_POINT_USER_TRIGGER, NULL); 2086 } 2087 2088 #ifdef CONFIG_PM_SLEEP 2089 static void iwl_op_mode_mvm_device_powered_off(struct iwl_op_mode *op_mode) 2090 { 2091 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2092 2093 mutex_lock(&mvm->mutex); 2094 clear_bit(IWL_MVM_STATUS_IN_D3, &mvm->status); 2095 iwl_mvm_restart_cleanup(mvm); 2096 mvm->fast_resume = false; 2097 mutex_unlock(&mvm->mutex); 2098 } 2099 #else 2100 static void iwl_op_mode_mvm_device_powered_off(struct iwl_op_mode *op_mode) 2101 {} 2102 #endif 2103 2104 #define IWL_MVM_COMMON_OPS \ 2105 /* these could be differentiated */ \ 2106 .queue_full = iwl_mvm_stop_sw_queue, \ 2107 .queue_not_full = iwl_mvm_wake_sw_queue, \ 2108 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \ 2109 .free_skb = iwl_mvm_free_skb, \ 2110 .nic_error = iwl_mvm_nic_error, \ 2111 .dump_error = iwl_mvm_dump_error, \ 2112 .sw_reset = iwl_mvm_sw_reset, \ 2113 .nic_config = iwl_mvm_nic_config, \ 2114 /* as we only register one, these MUST be common! */ \ 2115 .start = iwl_op_mode_mvm_start, \ 2116 .stop = iwl_op_mode_mvm_stop, \ 2117 .time_point = iwl_op_mode_mvm_time_point, \ 2118 .device_powered_off = iwl_op_mode_mvm_device_powered_off 2119 2120 static const struct iwl_op_mode_ops iwl_mvm_ops = { 2121 IWL_MVM_COMMON_OPS, 2122 .rx = iwl_mvm_rx, 2123 }; 2124 2125 static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode, 2126 struct napi_struct *napi, 2127 struct iwl_rx_cmd_buffer *rxb, 2128 unsigned int queue) 2129 { 2130 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2131 struct iwl_rx_packet *pkt = rxb_addr(rxb); 2132 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 2133 2134 if (unlikely(queue >= mvm->trans->info.num_rxqs)) 2135 return; 2136 2137 if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))) 2138 iwl_mvm_rx_frame_release(mvm, napi, rxb, queue); 2139 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, 2140 RX_QUEUES_NOTIFICATION))) 2141 iwl_mvm_rx_queue_notif(mvm, napi, rxb, queue); 2142 else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 2143 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue); 2144 } 2145 2146 static const struct iwl_op_mode_ops iwl_mvm_ops_mq = { 2147 IWL_MVM_COMMON_OPS, 2148 .rx = iwl_mvm_rx_mq, 2149 .rx_rss = iwl_mvm_rx_mq_rss, 2150 .dump = iwl_mvm_dump, 2151 }; 2152