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_esr_mode_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_mvm_esr_mode_notif *notif = (void *)pkt->data; 153 struct ieee80211_vif *vif = iwl_mvm_get_bss_vif(mvm); 154 155 /* FW recommendations is only for entering EMLSR */ 156 if (!vif || iwl_mvm_vif_from_mac80211(vif)->esr_active) 157 return; 158 159 if (le32_to_cpu(notif->action) == ESR_RECOMMEND_ENTER) 160 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW); 161 else 162 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW, 163 iwl_mvm_get_primary_link(vif)); 164 } 165 166 static void iwl_mvm_rx_monitor_notif(struct iwl_mvm *mvm, 167 struct iwl_rx_cmd_buffer *rxb) 168 { 169 struct iwl_rx_packet *pkt = rxb_addr(rxb); 170 struct iwl_datapath_monitor_notif *notif = (void *)pkt->data; 171 struct ieee80211_supported_band *sband; 172 const struct ieee80211_sta_he_cap *he_cap; 173 struct ieee80211_vif *vif; 174 175 if (notif->type != cpu_to_le32(IWL_DP_MON_NOTIF_TYPE_EXT_CCA)) 176 return; 177 178 vif = iwl_mvm_get_vif_by_macid(mvm, notif->mac_id); 179 if (!vif || vif->type != NL80211_IFTYPE_STATION) 180 return; 181 182 if (!vif->bss_conf.chanreq.oper.chan || 183 vif->bss_conf.chanreq.oper.chan->band != NL80211_BAND_2GHZ || 184 vif->bss_conf.chanreq.oper.width < NL80211_CHAN_WIDTH_40) 185 return; 186 187 if (!vif->cfg.assoc) 188 return; 189 190 /* this shouldn't happen *again*, ignore it */ 191 if (mvm->cca_40mhz_workaround) 192 return; 193 194 /* 195 * We'll decrement this on disconnect - so set to 2 since we'll 196 * still have to disconnect from the current AP first. 197 */ 198 mvm->cca_40mhz_workaround = 2; 199 200 /* 201 * This capability manipulation isn't really ideal, but it's the 202 * easiest choice - otherwise we'd have to do some major changes 203 * in mac80211 to support this, which isn't worth it. This does 204 * mean that userspace may have outdated information, but that's 205 * actually not an issue at all. 206 */ 207 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 208 209 WARN_ON(!sband->ht_cap.ht_supported); 210 WARN_ON(!(sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)); 211 sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; 212 213 he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 214 215 if (he_cap) { 216 /* we know that ours is writable */ 217 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; 218 219 WARN_ON(!he->has_he); 220 WARN_ON(!(he->he_cap_elem.phy_cap_info[0] & 221 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)); 222 he->he_cap_elem.phy_cap_info[0] &= 223 ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 224 } 225 226 ieee80211_disconnect(vif, true); 227 } 228 229 void iwl_mvm_update_link_smps(struct ieee80211_vif *vif, 230 struct ieee80211_bss_conf *link_conf) 231 { 232 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 233 struct iwl_mvm *mvm = mvmvif->mvm; 234 enum ieee80211_smps_mode mode = IEEE80211_SMPS_AUTOMATIC; 235 236 if (!link_conf) 237 return; 238 239 if (mvm->fw_static_smps_request && 240 link_conf->chanreq.oper.width == NL80211_CHAN_WIDTH_160 && 241 link_conf->he_support) 242 mode = IEEE80211_SMPS_STATIC; 243 244 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_FW, mode, 245 link_conf->link_id); 246 } 247 248 static void iwl_mvm_intf_dual_chain_req(void *data, u8 *mac, 249 struct ieee80211_vif *vif) 250 { 251 struct ieee80211_bss_conf *link_conf; 252 unsigned int link_id; 253 254 rcu_read_lock(); 255 256 for_each_vif_active_link(vif, link_conf, link_id) 257 iwl_mvm_update_link_smps(vif, link_conf); 258 259 rcu_read_unlock(); 260 } 261 262 static void iwl_mvm_rx_thermal_dual_chain_req(struct iwl_mvm *mvm, 263 struct iwl_rx_cmd_buffer *rxb) 264 { 265 struct iwl_rx_packet *pkt = rxb_addr(rxb); 266 struct iwl_thermal_dual_chain_request *req = (void *)pkt->data; 267 268 /* 269 * We could pass it to the iterator data, but also need to remember 270 * it for new interfaces that are added while in this state. 271 */ 272 mvm->fw_static_smps_request = 273 req->event == cpu_to_le32(THERMAL_DUAL_CHAIN_REQ_DISABLE); 274 ieee80211_iterate_interfaces(mvm->hw, 275 IEEE80211_IFACE_SKIP_SDATA_NOT_IN_DRIVER, 276 iwl_mvm_intf_dual_chain_req, NULL); 277 } 278 279 /** 280 * enum iwl_rx_handler_context: context for Rx handler 281 * @RX_HANDLER_SYNC : this means that it will be called in the Rx path 282 * which can't acquire mvm->mutex. 283 * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex 284 * (and only in this case!), it should be set as ASYNC. In that case, 285 * it will be called from a worker with mvm->mutex held. 286 * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the 287 * mutex itself, it will be called from a worker without mvm->mutex held. 288 * @RX_HANDLER_ASYNC_LOCKED_WIPHY: If the handler needs to hold the wiphy lock 289 * and mvm->mutex. Will be handled with the wiphy_work queue infra 290 * instead of regular work queue. 291 */ 292 enum iwl_rx_handler_context { 293 RX_HANDLER_SYNC, 294 RX_HANDLER_ASYNC_LOCKED, 295 RX_HANDLER_ASYNC_UNLOCKED, 296 RX_HANDLER_ASYNC_LOCKED_WIPHY, 297 }; 298 299 /** 300 * struct iwl_rx_handlers: handler for FW notification 301 * @cmd_id: command id 302 * @min_size: minimum size to expect for the notification 303 * @context: see &iwl_rx_handler_context 304 * @fn: the function is called when notification is received 305 */ 306 struct iwl_rx_handlers { 307 u16 cmd_id, min_size; 308 enum iwl_rx_handler_context context; 309 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 310 }; 311 312 #define RX_HANDLER_NO_SIZE(_cmd_id, _fn, _context) \ 313 { .cmd_id = _cmd_id, .fn = _fn, .context = _context, } 314 #define RX_HANDLER_GRP_NO_SIZE(_grp, _cmd, _fn, _context) \ 315 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context, } 316 #define RX_HANDLER(_cmd_id, _fn, _context, _struct) \ 317 { .cmd_id = _cmd_id, .fn = _fn, \ 318 .context = _context, .min_size = sizeof(_struct), } 319 #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context, _struct) \ 320 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, \ 321 .context = _context, .min_size = sizeof(_struct), } 322 323 /* 324 * Handlers for fw notifications 325 * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME 326 * This list should be in order of frequency for performance purposes. 327 * 328 * The handler can be one from three contexts, see &iwl_rx_handler_context 329 */ 330 static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { 331 RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC, 332 struct iwl_mvm_tx_resp), 333 RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC, 334 struct iwl_mvm_ba_notif), 335 336 RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF, 337 iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC, 338 struct iwl_tlc_update_notif), 339 340 RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif, 341 RX_HANDLER_ASYNC_LOCKED_WIPHY, 342 struct iwl_bt_coex_profile_notif), 343 RX_HANDLER_NO_SIZE(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, 344 RX_HANDLER_ASYNC_LOCKED), 345 RX_HANDLER_NO_SIZE(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, 346 RX_HANDLER_ASYNC_LOCKED), 347 348 RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_NOTIF, 349 iwl_mvm_handle_rx_system_oper_stats, 350 RX_HANDLER_ASYNC_LOCKED_WIPHY, 351 struct iwl_system_statistics_notif_oper), 352 RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_PART1_NOTIF, 353 iwl_mvm_handle_rx_system_oper_part1_stats, 354 RX_HANDLER_ASYNC_LOCKED, 355 struct iwl_system_statistics_part1_notif_oper), 356 RX_HANDLER_GRP(SYSTEM_GROUP, SYSTEM_STATISTICS_END_NOTIF, 357 iwl_mvm_handle_rx_system_end_stats_notif, 358 RX_HANDLER_ASYNC_LOCKED, 359 struct iwl_system_statistics_end_notif), 360 361 RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID, 362 iwl_mvm_window_status_notif, RX_HANDLER_SYNC, 363 struct iwl_ba_window_status_notif), 364 365 RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, 366 RX_HANDLER_SYNC, struct iwl_time_event_notif), 367 RX_HANDLER_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF, 368 iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC, 369 struct iwl_mvm_session_prot_notif), 370 RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc, 371 RX_HANDLER_ASYNC_LOCKED, struct iwl_mcc_chub_notif), 372 373 RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC, 374 struct iwl_mvm_eosp_notification), 375 376 RX_HANDLER(SCAN_ITERATION_COMPLETE, 377 iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC, 378 struct iwl_lmac_scan_complete_notif), 379 RX_HANDLER(SCAN_OFFLOAD_COMPLETE, 380 iwl_mvm_rx_lmac_scan_complete_notif, 381 RX_HANDLER_ASYNC_LOCKED, struct iwl_periodic_scan_complete), 382 RX_HANDLER_NO_SIZE(MATCH_FOUND_NOTIFICATION, 383 iwl_mvm_rx_scan_match_found, 384 RX_HANDLER_SYNC), 385 RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif, 386 RX_HANDLER_ASYNC_LOCKED, 387 struct iwl_umac_scan_complete), 388 RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC, 389 iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC, 390 struct iwl_umac_scan_iter_complete_notif), 391 392 RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif, 393 RX_HANDLER_ASYNC_LOCKED_WIPHY, 394 struct iwl_missed_beacons_notif), 395 396 RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC, 397 struct iwl_error_resp), 398 RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION, 399 iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC, 400 struct iwl_uapsd_misbehaving_ap_notif), 401 RX_HANDLER_NO_SIZE(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, 402 RX_HANDLER_ASYNC_LOCKED), 403 RX_HANDLER_GRP_NO_SIZE(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE, 404 iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED), 405 RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION, 406 iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC, 407 struct ct_kill_notif), 408 409 RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif, 410 RX_HANDLER_ASYNC_LOCKED, 411 struct iwl_tdls_channel_switch_notif), 412 RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, 413 RX_HANDLER_SYNC, struct iwl_mfuart_load_notif_v1), 414 RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS, 415 iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED, 416 struct iwl_ftm_responder_stats), 417 418 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF, 419 iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED), 420 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_LC_NOTIF, 421 iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED), 422 423 RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF, 424 iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC, 425 struct iwl_mfu_assert_dump_notif), 426 RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF, 427 iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC, 428 struct iwl_stored_beacon_notif_v2), 429 RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF, 430 iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC, 431 struct iwl_mu_group_mgmt_notif), 432 RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF, 433 iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC, 434 struct iwl_mvm_pm_state_notification), 435 RX_HANDLER_GRP(MAC_CONF_GROUP, PROBE_RESPONSE_DATA_NOTIF, 436 iwl_mvm_probe_resp_data_notif, 437 RX_HANDLER_ASYNC_LOCKED, 438 struct iwl_probe_resp_data_notif), 439 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_START_NOTIF, 440 iwl_mvm_channel_switch_start_notif, 441 RX_HANDLER_SYNC, struct iwl_channel_switch_start_notif), 442 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_ERROR_NOTIF, 443 iwl_mvm_channel_switch_error_notif, 444 RX_HANDLER_ASYNC_UNLOCKED, 445 struct iwl_channel_switch_error_notif), 446 447 RX_HANDLER_GRP(DATA_PATH_GROUP, ESR_MODE_NOTIF, 448 iwl_mvm_rx_esr_mode_notif, 449 RX_HANDLER_ASYNC_LOCKED_WIPHY, 450 struct iwl_mvm_esr_mode_notif), 451 452 RX_HANDLER_GRP(DATA_PATH_GROUP, MONITOR_NOTIF, 453 iwl_mvm_rx_monitor_notif, RX_HANDLER_ASYNC_LOCKED, 454 struct iwl_datapath_monitor_notif), 455 456 RX_HANDLER_GRP(DATA_PATH_GROUP, THERMAL_DUAL_CHAIN_REQUEST, 457 iwl_mvm_rx_thermal_dual_chain_req, 458 RX_HANDLER_ASYNC_LOCKED, 459 struct iwl_thermal_dual_chain_request), 460 461 RX_HANDLER_GRP(SYSTEM_GROUP, RFI_DEACTIVATE_NOTIF, 462 iwl_rfi_deactivate_notif_handler, RX_HANDLER_ASYNC_UNLOCKED, 463 struct iwl_rfi_deactivate_notif), 464 465 RX_HANDLER_GRP(LEGACY_GROUP, 466 WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION, 467 iwl_mvm_time_sync_msmt_event, RX_HANDLER_SYNC, 468 struct iwl_time_msmt_notify), 469 RX_HANDLER_GRP(LEGACY_GROUP, 470 WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION, 471 iwl_mvm_time_sync_msmt_confirm_event, RX_HANDLER_SYNC, 472 struct iwl_time_msmt_cfm_notify), 473 RX_HANDLER_GRP(MAC_CONF_GROUP, ROC_NOTIF, 474 iwl_mvm_rx_roc_notif, RX_HANDLER_SYNC, 475 struct iwl_roc_notif), 476 RX_HANDLER_GRP(SCAN_GROUP, CHANNEL_SURVEY_NOTIF, 477 iwl_mvm_rx_channel_survey_notif, RX_HANDLER_ASYNC_LOCKED, 478 struct iwl_umac_scan_channel_survey_notif), 479 }; 480 #undef RX_HANDLER 481 #undef RX_HANDLER_GRP 482 483 /* Please keep this array *SORTED* by hex value. 484 * Access is done through binary search 485 */ 486 static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = { 487 HCMD_NAME(UCODE_ALIVE_NTFY), 488 HCMD_NAME(REPLY_ERROR), 489 HCMD_NAME(ECHO_CMD), 490 HCMD_NAME(INIT_COMPLETE_NOTIF), 491 HCMD_NAME(PHY_CONTEXT_CMD), 492 HCMD_NAME(DBG_CFG), 493 HCMD_NAME(SCAN_CFG_CMD), 494 HCMD_NAME(SCAN_REQ_UMAC), 495 HCMD_NAME(SCAN_ABORT_UMAC), 496 HCMD_NAME(SCAN_COMPLETE_UMAC), 497 HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID), 498 HCMD_NAME(ADD_STA_KEY), 499 HCMD_NAME(ADD_STA), 500 HCMD_NAME(REMOVE_STA), 501 HCMD_NAME(TX_CMD), 502 HCMD_NAME(SCD_QUEUE_CFG), 503 HCMD_NAME(TXPATH_FLUSH), 504 HCMD_NAME(MGMT_MCAST_KEY), 505 HCMD_NAME(WEP_KEY), 506 HCMD_NAME(SHARED_MEM_CFG), 507 HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD), 508 HCMD_NAME(MAC_CONTEXT_CMD), 509 HCMD_NAME(TIME_EVENT_CMD), 510 HCMD_NAME(TIME_EVENT_NOTIFICATION), 511 HCMD_NAME(BINDING_CONTEXT_CMD), 512 HCMD_NAME(TIME_QUOTA_CMD), 513 HCMD_NAME(NON_QOS_TX_COUNTER_CMD), 514 HCMD_NAME(LEDS_CMD), 515 HCMD_NAME(LQ_CMD), 516 HCMD_NAME(FW_PAGING_BLOCK_CMD), 517 HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD), 518 HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD), 519 HCMD_NAME(HOT_SPOT_CMD), 520 HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD), 521 HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP), 522 HCMD_NAME(BT_COEX_CI), 523 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION), 524 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION), 525 HCMD_NAME(PHY_CONFIGURATION_CMD), 526 HCMD_NAME(CALIB_RES_NOTIF_PHY_DB), 527 HCMD_NAME(PHY_DB_CMD), 528 HCMD_NAME(SCAN_OFFLOAD_COMPLETE), 529 HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD), 530 HCMD_NAME(POWER_TABLE_CMD), 531 HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION), 532 HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF), 533 HCMD_NAME(NVM_ACCESS_CMD), 534 HCMD_NAME(BEACON_NOTIFICATION), 535 HCMD_NAME(BEACON_TEMPLATE_CMD), 536 HCMD_NAME(TX_ANT_CONFIGURATION_CMD), 537 HCMD_NAME(BT_CONFIG), 538 HCMD_NAME(STATISTICS_CMD), 539 HCMD_NAME(STATISTICS_NOTIFICATION), 540 HCMD_NAME(EOSP_NOTIFICATION), 541 HCMD_NAME(REDUCE_TX_POWER_CMD), 542 HCMD_NAME(MISSED_BEACONS_NOTIFICATION), 543 HCMD_NAME(TDLS_CONFIG_CMD), 544 HCMD_NAME(MAC_PM_POWER_TABLE), 545 HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION), 546 HCMD_NAME(MFUART_LOAD_NOTIFICATION), 547 HCMD_NAME(RSS_CONFIG_CMD), 548 HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC), 549 HCMD_NAME(REPLY_RX_PHY_CMD), 550 HCMD_NAME(REPLY_RX_MPDU_CMD), 551 HCMD_NAME(BAR_FRAME_RELEASE), 552 HCMD_NAME(FRAME_RELEASE), 553 HCMD_NAME(BA_NOTIF), 554 HCMD_NAME(MCC_UPDATE_CMD), 555 HCMD_NAME(MCC_CHUB_UPDATE_CMD), 556 HCMD_NAME(MARKER_CMD), 557 HCMD_NAME(BT_PROFILE_NOTIFICATION), 558 HCMD_NAME(MCAST_FILTER_CMD), 559 HCMD_NAME(REPLY_SF_CFG_CMD), 560 HCMD_NAME(REPLY_BEACON_FILTERING_CMD), 561 HCMD_NAME(D3_CONFIG_CMD), 562 HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD), 563 HCMD_NAME(MATCH_FOUND_NOTIFICATION), 564 HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION), 565 HCMD_NAME(WOWLAN_PATTERNS), 566 HCMD_NAME(WOWLAN_CONFIGURATION), 567 HCMD_NAME(WOWLAN_TSC_RSC_PARAM), 568 HCMD_NAME(WOWLAN_TKIP_PARAM), 569 HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL), 570 HCMD_NAME(WOWLAN_GET_STATUSES), 571 HCMD_NAME(SCAN_ITERATION_COMPLETE), 572 HCMD_NAME(D0I3_END_CMD), 573 HCMD_NAME(LTR_CONFIG), 574 HCMD_NAME(LDBG_CONFIG_CMD), 575 }; 576 577 /* Please keep this array *SORTED* by hex value. 578 * Access is done through binary search 579 */ 580 static const struct iwl_hcmd_names iwl_mvm_system_names[] = { 581 HCMD_NAME(SHARED_MEM_CFG_CMD), 582 HCMD_NAME(INIT_EXTENDED_CFG_CMD), 583 HCMD_NAME(FW_ERROR_RECOVERY_CMD), 584 HCMD_NAME(RFI_CONFIG_CMD), 585 HCMD_NAME(RFI_GET_FREQ_TABLE_CMD), 586 HCMD_NAME(SYSTEM_FEATURES_CONTROL_CMD), 587 HCMD_NAME(SYSTEM_STATISTICS_CMD), 588 HCMD_NAME(SYSTEM_STATISTICS_END_NOTIF), 589 HCMD_NAME(RFI_DEACTIVATE_NOTIF), 590 }; 591 592 /* Please keep this array *SORTED* by hex value. 593 * Access is done through binary search 594 */ 595 static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = { 596 HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD), 597 HCMD_NAME(SESSION_PROTECTION_CMD), 598 HCMD_NAME(MAC_CONFIG_CMD), 599 HCMD_NAME(LINK_CONFIG_CMD), 600 HCMD_NAME(STA_CONFIG_CMD), 601 HCMD_NAME(AUX_STA_CMD), 602 HCMD_NAME(STA_REMOVE_CMD), 603 HCMD_NAME(STA_DISABLE_TX_CMD), 604 HCMD_NAME(ROC_CMD), 605 HCMD_NAME(ROC_NOTIF), 606 HCMD_NAME(SESSION_PROTECTION_NOTIF), 607 HCMD_NAME(CHANNEL_SWITCH_START_NOTIF), 608 }; 609 610 /* Please keep this array *SORTED* by hex value. 611 * Access is done through binary search 612 */ 613 static const struct iwl_hcmd_names iwl_mvm_phy_names[] = { 614 HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE), 615 HCMD_NAME(CTDP_CONFIG_CMD), 616 HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD), 617 HCMD_NAME(PER_CHAIN_LIMIT_OFFSET_CMD), 618 HCMD_NAME(AP_TX_POWER_CONSTRAINTS_CMD), 619 HCMD_NAME(CT_KILL_NOTIFICATION), 620 HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE), 621 }; 622 623 /* Please keep this array *SORTED* by hex value. 624 * Access is done through binary search 625 */ 626 static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = { 627 HCMD_NAME(DQA_ENABLE_CMD), 628 HCMD_NAME(UPDATE_MU_GROUPS_CMD), 629 HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD), 630 HCMD_NAME(STA_HE_CTXT_CMD), 631 HCMD_NAME(RLC_CONFIG_CMD), 632 HCMD_NAME(RFH_QUEUE_CONFIG_CMD), 633 HCMD_NAME(TLC_MNG_CONFIG_CMD), 634 HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD), 635 HCMD_NAME(SCD_QUEUE_CONFIG_CMD), 636 HCMD_NAME(SEC_KEY_CMD), 637 HCMD_NAME(ESR_MODE_NOTIF), 638 HCMD_NAME(MONITOR_NOTIF), 639 HCMD_NAME(THERMAL_DUAL_CHAIN_REQUEST), 640 HCMD_NAME(STA_PM_NOTIF), 641 HCMD_NAME(MU_GROUP_MGMT_NOTIF), 642 HCMD_NAME(RX_QUEUES_NOTIFICATION), 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_statistics_names[] = { 649 HCMD_NAME(STATISTICS_OPER_NOTIF), 650 HCMD_NAME(STATISTICS_OPER_PART1_NOTIF), 651 }; 652 653 /* Please keep this array *SORTED* by hex value. 654 * Access is done through binary search 655 */ 656 static const struct iwl_hcmd_names iwl_mvm_scan_names[] = { 657 HCMD_NAME(CHANNEL_SURVEY_NOTIF), 658 HCMD_NAME(OFFLOAD_MATCH_INFO_NOTIF), 659 }; 660 661 /* Please keep this array *SORTED* by hex value. 662 * Access is done through binary search 663 */ 664 static const struct iwl_hcmd_names iwl_mvm_location_names[] = { 665 HCMD_NAME(TOF_RANGE_REQ_CMD), 666 HCMD_NAME(TOF_CONFIG_CMD), 667 HCMD_NAME(TOF_RANGE_ABORT_CMD), 668 HCMD_NAME(TOF_RANGE_REQ_EXT_CMD), 669 HCMD_NAME(TOF_RESPONDER_CONFIG_CMD), 670 HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD), 671 HCMD_NAME(TOF_LC_NOTIF), 672 HCMD_NAME(TOF_RESPONDER_STATS), 673 HCMD_NAME(TOF_MCSI_DEBUG_NOTIF), 674 HCMD_NAME(TOF_RANGE_RESPONSE_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_prot_offload_names[] = { 681 HCMD_NAME(WOWLAN_WAKE_PKT_NOTIFICATION), 682 HCMD_NAME(WOWLAN_INFO_NOTIFICATION), 683 HCMD_NAME(D3_END_NOTIFICATION), 684 HCMD_NAME(STORED_BEACON_NTF), 685 }; 686 687 /* Please keep this array *SORTED* by hex value. 688 * Access is done through binary search 689 */ 690 static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = { 691 HCMD_NAME(NVM_ACCESS_COMPLETE), 692 HCMD_NAME(NVM_GET_INFO), 693 HCMD_NAME(TAS_CONFIG), 694 }; 695 696 static const struct iwl_hcmd_arr iwl_mvm_groups[] = { 697 [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), 698 [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), 699 [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names), 700 [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names), 701 [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names), 702 [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names), 703 [SCAN_GROUP] = HCMD_ARR(iwl_mvm_scan_names), 704 [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names), 705 [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names), 706 [REGULATORY_AND_NVM_GROUP] = 707 HCMD_ARR(iwl_mvm_regulatory_and_nvm_names), 708 [STATISTICS_GROUP] = HCMD_ARR(iwl_mvm_statistics_names), 709 }; 710 711 /* this forward declaration can avoid to export the function */ 712 static void iwl_mvm_async_handlers_wk(struct work_struct *wk); 713 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy, 714 struct wiphy_work *work); 715 716 static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm) 717 { 718 const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs; 719 u64 dflt_pwr_limit; 720 721 if (!backoff) 722 return 0; 723 724 iwl_bios_get_pwr_limit(&mvm->fwrt, &dflt_pwr_limit); 725 726 while (backoff->pwr) { 727 if (dflt_pwr_limit >= backoff->pwr) 728 return backoff->backoff; 729 730 backoff++; 731 } 732 733 return 0; 734 } 735 736 static void iwl_mvm_tx_unblock_dwork(struct work_struct *work) 737 { 738 struct iwl_mvm *mvm = 739 container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work); 740 struct ieee80211_vif *tx_blocked_vif; 741 struct iwl_mvm_vif *mvmvif; 742 743 mutex_lock(&mvm->mutex); 744 745 tx_blocked_vif = 746 rcu_dereference_protected(mvm->csa_tx_blocked_vif, 747 lockdep_is_held(&mvm->mutex)); 748 749 if (!tx_blocked_vif) 750 goto unlock; 751 752 mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif); 753 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false); 754 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 755 unlock: 756 mutex_unlock(&mvm->mutex); 757 } 758 759 static void iwl_mvm_fwrt_dump_start(void *ctx) 760 { 761 struct iwl_mvm *mvm = ctx; 762 763 mutex_lock(&mvm->mutex); 764 } 765 766 static void iwl_mvm_fwrt_dump_end(void *ctx) 767 { 768 struct iwl_mvm *mvm = ctx; 769 770 mutex_unlock(&mvm->mutex); 771 } 772 773 static bool iwl_mvm_fwrt_fw_running(void *ctx) 774 { 775 return iwl_mvm_firmware_running(ctx); 776 } 777 778 static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd) 779 { 780 struct iwl_mvm *mvm = (struct iwl_mvm *)ctx; 781 int ret; 782 783 mutex_lock(&mvm->mutex); 784 ret = iwl_mvm_send_cmd(mvm, host_cmd); 785 mutex_unlock(&mvm->mutex); 786 787 return ret; 788 } 789 790 static bool iwl_mvm_d3_debug_enable(void *ctx) 791 { 792 return IWL_MVM_D3_DEBUG; 793 } 794 795 static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = { 796 .dump_start = iwl_mvm_fwrt_dump_start, 797 .dump_end = iwl_mvm_fwrt_dump_end, 798 .fw_running = iwl_mvm_fwrt_fw_running, 799 .send_hcmd = iwl_mvm_fwrt_send_hcmd, 800 .d3_debug_enable = iwl_mvm_d3_debug_enable, 801 }; 802 803 static int iwl_mvm_start_get_nvm(struct iwl_mvm *mvm) 804 { 805 struct iwl_trans *trans = mvm->trans; 806 int ret; 807 808 if (trans->csme_own) { 809 if (WARN(!mvm->mei_registered, 810 "csme is owner, but we aren't registered to iwlmei\n")) 811 goto get_nvm_from_fw; 812 813 mvm->mei_nvm_data = iwl_mei_get_nvm(); 814 if (mvm->mei_nvm_data) { 815 /* 816 * mvm->mei_nvm_data is set and because of that, 817 * we'll load the NVM from the FW when we'll get 818 * ownership. 819 */ 820 mvm->nvm_data = 821 iwl_parse_mei_nvm_data(trans, trans->cfg, 822 mvm->mei_nvm_data, 823 mvm->fw, 824 mvm->set_tx_ant, 825 mvm->set_rx_ant); 826 return 0; 827 } 828 829 IWL_ERR(mvm, 830 "Got a NULL NVM from CSME, trying to get it from the device\n"); 831 } 832 833 get_nvm_from_fw: 834 rtnl_lock(); 835 wiphy_lock(mvm->hw->wiphy); 836 mutex_lock(&mvm->mutex); 837 838 ret = iwl_trans_start_hw(mvm->trans); 839 if (ret) { 840 mutex_unlock(&mvm->mutex); 841 wiphy_unlock(mvm->hw->wiphy); 842 rtnl_unlock(); 843 return ret; 844 } 845 846 ret = iwl_run_init_mvm_ucode(mvm); 847 if (ret && ret != -ERFKILL) 848 iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER); 849 if (!ret && iwl_mvm_is_lar_supported(mvm)) { 850 mvm->hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 851 ret = iwl_mvm_init_mcc(mvm); 852 } 853 854 if (!iwlmvm_mod_params.init_dbg || !ret) 855 iwl_mvm_stop_device(mvm); 856 857 mutex_unlock(&mvm->mutex); 858 wiphy_unlock(mvm->hw->wiphy); 859 rtnl_unlock(); 860 861 if (ret) 862 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret); 863 864 /* no longer need this regardless of failure or not */ 865 mvm->pldr_sync = false; 866 867 return ret; 868 } 869 870 static int iwl_mvm_start_post_nvm(struct iwl_mvm *mvm) 871 { 872 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused; 873 int ret; 874 875 iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx); 876 877 ret = iwl_mvm_mac_setup_register(mvm); 878 if (ret) 879 return ret; 880 881 mvm->hw_registered = true; 882 883 iwl_mvm_dbgfs_register(mvm); 884 885 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy, 886 mvm->mei_rfkill_blocked, 887 RFKILL_HARD_BLOCK_NOT_OWNER); 888 889 iwl_mvm_mei_set_sw_rfkill_state(mvm); 890 891 return 0; 892 } 893 894 struct iwl_mvm_frob_txf_data { 895 u8 *buf; 896 size_t buflen; 897 }; 898 899 static void iwl_mvm_frob_txf_key_iter(struct ieee80211_hw *hw, 900 struct ieee80211_vif *vif, 901 struct ieee80211_sta *sta, 902 struct ieee80211_key_conf *key, 903 void *data) 904 { 905 struct iwl_mvm_frob_txf_data *txf = data; 906 u8 keylen, match, matchend; 907 u8 *keydata; 908 size_t i; 909 910 switch (key->cipher) { 911 case WLAN_CIPHER_SUITE_CCMP: 912 keydata = key->key; 913 keylen = key->keylen; 914 break; 915 case WLAN_CIPHER_SUITE_WEP40: 916 case WLAN_CIPHER_SUITE_WEP104: 917 case WLAN_CIPHER_SUITE_TKIP: 918 /* 919 * WEP has short keys which might show up in the payload, 920 * and then you can deduce the key, so in this case just 921 * remove all FIFO data. 922 * For TKIP, we don't know the phase 2 keys here, so same. 923 */ 924 memset(txf->buf, 0xBB, txf->buflen); 925 return; 926 default: 927 return; 928 } 929 930 /* scan for key material and clear it out */ 931 match = 0; 932 for (i = 0; i < txf->buflen; i++) { 933 if (txf->buf[i] != keydata[match]) { 934 match = 0; 935 continue; 936 } 937 match++; 938 if (match == keylen) { 939 memset(txf->buf + i - keylen, 0xAA, keylen); 940 match = 0; 941 } 942 } 943 944 /* we're dealing with a FIFO, so check wrapped around data */ 945 matchend = match; 946 for (i = 0; match && i < keylen - match; i++) { 947 if (txf->buf[i] != keydata[match]) 948 break; 949 match++; 950 if (match == keylen) { 951 memset(txf->buf, 0xAA, i + 1); 952 memset(txf->buf + txf->buflen - matchend, 0xAA, 953 matchend); 954 break; 955 } 956 } 957 } 958 959 static void iwl_mvm_frob_txf(void *ctx, void *buf, size_t buflen) 960 { 961 struct iwl_mvm_frob_txf_data txf = { 962 .buf = buf, 963 .buflen = buflen, 964 }; 965 struct iwl_mvm *mvm = ctx; 966 967 /* embedded key material exists only on old API */ 968 if (iwl_mvm_has_new_tx_api(mvm)) 969 return; 970 971 rcu_read_lock(); 972 ieee80211_iter_keys_rcu(mvm->hw, NULL, iwl_mvm_frob_txf_key_iter, &txf); 973 rcu_read_unlock(); 974 } 975 976 static void iwl_mvm_frob_hcmd(void *ctx, void *hcmd, size_t len) 977 { 978 /* we only use wide headers for commands */ 979 struct iwl_cmd_header_wide *hdr = hcmd; 980 unsigned int frob_start = sizeof(*hdr), frob_end = 0; 981 982 if (len < sizeof(hdr)) 983 return; 984 985 /* all the commands we care about are in LONG_GROUP */ 986 if (hdr->group_id != LONG_GROUP) 987 return; 988 989 switch (hdr->cmd) { 990 case WEP_KEY: 991 case WOWLAN_TKIP_PARAM: 992 case WOWLAN_KEK_KCK_MATERIAL: 993 case ADD_STA_KEY: 994 /* 995 * blank out everything here, easier than dealing 996 * with the various versions of the command 997 */ 998 frob_end = INT_MAX; 999 break; 1000 case MGMT_MCAST_KEY: 1001 frob_start = offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk); 1002 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) != 1003 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk)); 1004 1005 frob_end = offsetofend(struct iwl_mvm_mgmt_mcast_key_cmd, igtk); 1006 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) < 1007 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk)); 1008 break; 1009 } 1010 1011 if (frob_start >= frob_end) 1012 return; 1013 1014 if (frob_end > len) 1015 frob_end = len; 1016 1017 memset((u8 *)hcmd + frob_start, 0xAA, frob_end - frob_start); 1018 } 1019 1020 static void iwl_mvm_frob_mem(void *ctx, u32 mem_addr, void *mem, size_t buflen) 1021 { 1022 const struct iwl_dump_exclude *excl; 1023 struct iwl_mvm *mvm = ctx; 1024 int i; 1025 1026 switch (mvm->fwrt.cur_fw_img) { 1027 case IWL_UCODE_INIT: 1028 default: 1029 /* not relevant */ 1030 return; 1031 case IWL_UCODE_REGULAR: 1032 case IWL_UCODE_REGULAR_USNIFFER: 1033 excl = mvm->fw->dump_excl; 1034 break; 1035 case IWL_UCODE_WOWLAN: 1036 excl = mvm->fw->dump_excl_wowlan; 1037 break; 1038 } 1039 1040 BUILD_BUG_ON(sizeof(mvm->fw->dump_excl) != 1041 sizeof(mvm->fw->dump_excl_wowlan)); 1042 1043 for (i = 0; i < ARRAY_SIZE(mvm->fw->dump_excl); i++) { 1044 u32 start, end; 1045 1046 if (!excl[i].addr || !excl[i].size) 1047 continue; 1048 1049 start = excl[i].addr; 1050 end = start + excl[i].size; 1051 1052 if (end <= mem_addr || start >= mem_addr + buflen) 1053 continue; 1054 1055 if (start < mem_addr) 1056 start = mem_addr; 1057 1058 if (end > mem_addr + buflen) 1059 end = mem_addr + buflen; 1060 1061 memset((u8 *)mem + start - mem_addr, 0xAA, end - start); 1062 } 1063 } 1064 1065 static const struct iwl_dump_sanitize_ops iwl_mvm_sanitize_ops = { 1066 .frob_txf = iwl_mvm_frob_txf, 1067 .frob_hcmd = iwl_mvm_frob_hcmd, 1068 .frob_mem = iwl_mvm_frob_mem, 1069 }; 1070 1071 static void iwl_mvm_me_conn_status(void *priv, const struct iwl_mei_conn_info *conn_info) 1072 { 1073 struct iwl_mvm *mvm = priv; 1074 struct iwl_mvm_csme_conn_info *prev_conn_info, *curr_conn_info; 1075 1076 /* 1077 * This is protected by the guarantee that this function will not be 1078 * called twice on two different threads 1079 */ 1080 prev_conn_info = rcu_dereference_protected(mvm->csme_conn_info, true); 1081 1082 curr_conn_info = kzalloc(sizeof(*curr_conn_info), GFP_KERNEL); 1083 if (!curr_conn_info) 1084 return; 1085 1086 curr_conn_info->conn_info = *conn_info; 1087 1088 rcu_assign_pointer(mvm->csme_conn_info, curr_conn_info); 1089 1090 if (prev_conn_info) 1091 kfree_rcu(prev_conn_info, rcu_head); 1092 } 1093 1094 static void iwl_mvm_mei_rfkill(void *priv, bool blocked, 1095 bool csme_taking_ownership) 1096 { 1097 struct iwl_mvm *mvm = priv; 1098 1099 if (blocked && !csme_taking_ownership) 1100 return; 1101 1102 mvm->mei_rfkill_blocked = blocked; 1103 if (!mvm->hw_registered) 1104 return; 1105 1106 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy, 1107 mvm->mei_rfkill_blocked, 1108 RFKILL_HARD_BLOCK_NOT_OWNER); 1109 } 1110 1111 static void iwl_mvm_mei_roaming_forbidden(void *priv, bool forbidden) 1112 { 1113 struct iwl_mvm *mvm = priv; 1114 1115 if (!mvm->hw_registered || !mvm->csme_vif) 1116 return; 1117 1118 iwl_mvm_send_roaming_forbidden_event(mvm, mvm->csme_vif, forbidden); 1119 } 1120 1121 static void iwl_mvm_sap_connected_wk(struct work_struct *wk) 1122 { 1123 struct iwl_mvm *mvm = 1124 container_of(wk, struct iwl_mvm, sap_connected_wk); 1125 int ret; 1126 1127 ret = iwl_mvm_start_get_nvm(mvm); 1128 if (ret) 1129 goto out_free; 1130 1131 ret = iwl_mvm_start_post_nvm(mvm); 1132 if (ret) 1133 goto out_free; 1134 1135 return; 1136 1137 out_free: 1138 IWL_ERR(mvm, "Couldn't get started...\n"); 1139 iwl_mei_start_unregister(); 1140 iwl_mei_unregister_complete(); 1141 iwl_fw_flush_dumps(&mvm->fwrt); 1142 iwl_mvm_thermal_exit(mvm); 1143 iwl_fw_runtime_free(&mvm->fwrt); 1144 iwl_phy_db_free(mvm->phy_db); 1145 kfree(mvm->scan_cmd); 1146 iwl_trans_op_mode_leave(mvm->trans); 1147 kfree(mvm->nvm_data); 1148 kfree(mvm->mei_nvm_data); 1149 1150 ieee80211_free_hw(mvm->hw); 1151 } 1152 1153 static void iwl_mvm_mei_sap_connected(void *priv) 1154 { 1155 struct iwl_mvm *mvm = priv; 1156 1157 if (!mvm->hw_registered) 1158 schedule_work(&mvm->sap_connected_wk); 1159 } 1160 1161 static void iwl_mvm_mei_nic_stolen(void *priv) 1162 { 1163 struct iwl_mvm *mvm = priv; 1164 1165 rtnl_lock(); 1166 cfg80211_shutdown_all_interfaces(mvm->hw->wiphy); 1167 rtnl_unlock(); 1168 } 1169 1170 static const struct iwl_mei_ops mei_ops = { 1171 .me_conn_status = iwl_mvm_me_conn_status, 1172 .rfkill = iwl_mvm_mei_rfkill, 1173 .roaming_forbidden = iwl_mvm_mei_roaming_forbidden, 1174 .sap_connected = iwl_mvm_mei_sap_connected, 1175 .nic_stolen = iwl_mvm_mei_nic_stolen, 1176 }; 1177 1178 static void iwl_mvm_find_link_selection_vif(void *_data, u8 *mac, 1179 struct ieee80211_vif *vif) 1180 { 1181 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1182 1183 if (ieee80211_vif_is_mld(vif) && mvmvif->authorized) 1184 iwl_mvm_select_links(mvmvif->mvm, vif); 1185 } 1186 1187 static void iwl_mvm_trig_link_selection(struct wiphy *wiphy, 1188 struct wiphy_work *wk) 1189 { 1190 struct iwl_mvm *mvm = 1191 container_of(wk, struct iwl_mvm, trig_link_selection_wk); 1192 1193 ieee80211_iterate_active_interfaces(mvm->hw, 1194 IEEE80211_IFACE_ITER_NORMAL, 1195 iwl_mvm_find_link_selection_vif, 1196 NULL); 1197 } 1198 1199 static struct iwl_op_mode * 1200 iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, 1201 const struct iwl_fw *fw, struct dentry *dbgfs_dir) 1202 { 1203 struct ieee80211_hw *hw; 1204 struct iwl_op_mode *op_mode; 1205 struct iwl_mvm *mvm; 1206 struct iwl_trans_config trans_cfg = {}; 1207 static const u8 no_reclaim_cmds[] = { 1208 TX_CMD, 1209 }; 1210 u32 max_agg; 1211 size_t scan_size; 1212 u32 min_backoff; 1213 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused; 1214 1215 /* 1216 * We use IWL_MVM_STATION_COUNT_MAX to check the validity of the station 1217 * index all over the driver - check that its value corresponds to the 1218 * array size. 1219 */ 1220 BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != 1221 IWL_MVM_STATION_COUNT_MAX); 1222 1223 /******************************** 1224 * 1. Allocating and configuring HW data 1225 ********************************/ 1226 hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) + 1227 sizeof(struct iwl_mvm), 1228 iwl_mvm_has_mld_api(fw) ? &iwl_mvm_mld_hw_ops : 1229 &iwl_mvm_hw_ops); 1230 if (!hw) 1231 return NULL; 1232 1233 if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) 1234 max_agg = 512; 1235 else 1236 max_agg = IEEE80211_MAX_AMPDU_BUF_HE; 1237 1238 hw->max_rx_aggregation_subframes = max_agg; 1239 1240 if (cfg->max_tx_agg_size) 1241 hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size; 1242 else 1243 hw->max_tx_aggregation_subframes = max_agg; 1244 1245 op_mode = hw->priv; 1246 1247 mvm = IWL_OP_MODE_GET_MVM(op_mode); 1248 mvm->dev = trans->dev; 1249 mvm->trans = trans; 1250 mvm->cfg = cfg; 1251 mvm->fw = fw; 1252 mvm->hw = hw; 1253 1254 iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm, 1255 &iwl_mvm_sanitize_ops, mvm, dbgfs_dir); 1256 1257 iwl_mvm_get_bios_tables(mvm); 1258 iwl_uefi_get_sgom_table(trans, &mvm->fwrt); 1259 iwl_uefi_get_step_table(trans); 1260 1261 mvm->init_status = 0; 1262 1263 if (iwl_mvm_has_new_rx_api(mvm)) { 1264 op_mode->ops = &iwl_mvm_ops_mq; 1265 trans->rx_mpdu_cmd_hdr_size = 1266 (trans->trans_cfg->device_family >= 1267 IWL_DEVICE_FAMILY_AX210) ? 1268 sizeof(struct iwl_rx_mpdu_desc) : 1269 IWL_RX_DESC_SIZE_V1; 1270 } else { 1271 op_mode->ops = &iwl_mvm_ops; 1272 trans->rx_mpdu_cmd_hdr_size = 1273 sizeof(struct iwl_rx_mpdu_res_start); 1274 1275 if (WARN_ON(trans->num_rx_queues > 1)) 1276 goto out_free; 1277 } 1278 1279 mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0; 1280 1281 if (iwl_mvm_has_new_tx_api(mvm)) { 1282 /* 1283 * If we have the new TX/queue allocation API initialize them 1284 * all to invalid numbers. We'll rewrite the ones that we need 1285 * later, but that doesn't happen for all of them all of the 1286 * time (e.g. P2P Device is optional), and if a dynamic queue 1287 * ends up getting number 2 (IWL_MVM_DQA_P2P_DEVICE_QUEUE) then 1288 * iwl_mvm_is_static_queue() erroneously returns true, and we 1289 * might have things getting stuck. 1290 */ 1291 mvm->aux_queue = IWL_MVM_INVALID_QUEUE; 1292 mvm->snif_queue = IWL_MVM_INVALID_QUEUE; 1293 mvm->probe_queue = IWL_MVM_INVALID_QUEUE; 1294 mvm->p2p_dev_queue = IWL_MVM_INVALID_QUEUE; 1295 } else { 1296 mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE; 1297 mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE; 1298 mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE; 1299 mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE; 1300 } 1301 1302 mvm->sf_state = SF_UNINIT; 1303 if (iwl_mvm_has_unified_ucode(mvm)) 1304 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR); 1305 else 1306 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT); 1307 mvm->drop_bcn_ap_mode = true; 1308 1309 mutex_init(&mvm->mutex); 1310 spin_lock_init(&mvm->async_handlers_lock); 1311 INIT_LIST_HEAD(&mvm->time_event_list); 1312 INIT_LIST_HEAD(&mvm->aux_roc_te_list); 1313 INIT_LIST_HEAD(&mvm->async_handlers_list); 1314 spin_lock_init(&mvm->time_event_lock); 1315 INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list); 1316 INIT_LIST_HEAD(&mvm->ftm_initiator.pasn_list); 1317 INIT_LIST_HEAD(&mvm->resp_pasn_list); 1318 1319 INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); 1320 INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); 1321 INIT_WORK(&mvm->sap_connected_wk, iwl_mvm_sap_connected_wk); 1322 INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work); 1323 INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk); 1324 INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk); 1325 INIT_LIST_HEAD(&mvm->add_stream_txqs); 1326 spin_lock_init(&mvm->add_stream_lock); 1327 1328 wiphy_work_init(&mvm->async_handlers_wiphy_wk, 1329 iwl_mvm_async_handlers_wiphy_wk); 1330 1331 wiphy_work_init(&mvm->trig_link_selection_wk, 1332 iwl_mvm_trig_link_selection); 1333 1334 init_waitqueue_head(&mvm->rx_sync_waitq); 1335 1336 mvm->queue_sync_state = 0; 1337 1338 SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev); 1339 1340 spin_lock_init(&mvm->tcm.lock); 1341 INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work); 1342 mvm->tcm.ts = jiffies; 1343 mvm->tcm.ll_ts = jiffies; 1344 mvm->tcm.uapsd_nonagg_ts = jiffies; 1345 1346 INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork); 1347 1348 mvm->cmd_ver.range_resp = 1349 iwl_fw_lookup_notif_ver(mvm->fw, LOCATION_GROUP, 1350 TOF_RANGE_RESPONSE_NOTIF, 5); 1351 /* we only support up to version 9 */ 1352 if (WARN_ON_ONCE(mvm->cmd_ver.range_resp > 9)) 1353 goto out_free; 1354 1355 /* 1356 * Populate the state variables that the transport layer needs 1357 * to know about. 1358 */ 1359 trans_cfg.op_mode = op_mode; 1360 trans_cfg.no_reclaim_cmds = no_reclaim_cmds; 1361 trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); 1362 1363 switch (iwlwifi_mod_params.amsdu_size) { 1364 case IWL_AMSDU_DEF: 1365 trans_cfg.rx_buf_size = IWL_AMSDU_4K; 1366 break; 1367 case IWL_AMSDU_4K: 1368 trans_cfg.rx_buf_size = IWL_AMSDU_4K; 1369 break; 1370 case IWL_AMSDU_8K: 1371 trans_cfg.rx_buf_size = IWL_AMSDU_8K; 1372 break; 1373 case IWL_AMSDU_12K: 1374 trans_cfg.rx_buf_size = IWL_AMSDU_12K; 1375 break; 1376 default: 1377 pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME, 1378 iwlwifi_mod_params.amsdu_size); 1379 trans_cfg.rx_buf_size = IWL_AMSDU_4K; 1380 } 1381 1382 trans->wide_cmd_header = true; 1383 trans_cfg.bc_table_dword = 1384 mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210; 1385 1386 trans_cfg.command_groups = iwl_mvm_groups; 1387 trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups); 1388 1389 trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE; 1390 trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD; 1391 trans_cfg.scd_set_active = true; 1392 1393 trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info, 1394 driver_data[2]); 1395 1396 /* Set a short watchdog for the command queue */ 1397 trans_cfg.cmd_q_wdg_timeout = 1398 iwl_mvm_get_wd_timeout(mvm, NULL, false, true); 1399 1400 snprintf(mvm->hw->wiphy->fw_version, 1401 sizeof(mvm->hw->wiphy->fw_version), 1402 "%.31s", fw->fw_version); 1403 1404 trans_cfg.fw_reset_handshake = fw_has_capa(&mvm->fw->ucode_capa, 1405 IWL_UCODE_TLV_CAPA_FW_RESET_HANDSHAKE); 1406 1407 trans_cfg.queue_alloc_cmd_ver = 1408 iwl_fw_lookup_cmd_ver(mvm->fw, 1409 WIDE_ID(DATA_PATH_GROUP, 1410 SCD_QUEUE_CONFIG_CMD), 1411 0); 1412 mvm->sta_remove_requires_queue_remove = 1413 trans_cfg.queue_alloc_cmd_ver > 0; 1414 1415 mvm->mld_api_is_used = iwl_mvm_has_mld_api(mvm->fw); 1416 1417 /* Configure transport layer */ 1418 iwl_trans_configure(mvm->trans, &trans_cfg); 1419 1420 trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD; 1421 trans->dbg.dest_tlv = mvm->fw->dbg.dest_tlv; 1422 trans->dbg.n_dest_reg = mvm->fw->dbg.n_dest_reg; 1423 memcpy(trans->dbg.conf_tlv, mvm->fw->dbg.conf_tlv, 1424 sizeof(trans->dbg.conf_tlv)); 1425 trans->dbg.trigger_tlv = mvm->fw->dbg.trigger_tlv; 1426 1427 trans->iml = mvm->fw->iml; 1428 trans->iml_len = mvm->fw->iml_len; 1429 1430 /* set up notification wait support */ 1431 iwl_notification_wait_init(&mvm->notif_wait); 1432 1433 /* Init phy db */ 1434 mvm->phy_db = iwl_phy_db_init(trans); 1435 if (!mvm->phy_db) { 1436 IWL_ERR(mvm, "Cannot init phy_db\n"); 1437 goto out_free; 1438 } 1439 1440 IWL_INFO(mvm, "Detected %s, REV=0x%X\n", 1441 mvm->trans->name, mvm->trans->hw_rev); 1442 1443 if (iwlwifi_mod_params.nvm_file) 1444 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file; 1445 else 1446 IWL_DEBUG_EEPROM(mvm->trans->dev, 1447 "working without external nvm file\n"); 1448 1449 scan_size = iwl_mvm_scan_size(mvm); 1450 1451 mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL); 1452 if (!mvm->scan_cmd) 1453 goto out_free; 1454 mvm->scan_cmd_size = scan_size; 1455 1456 /* invalidate ids to prevent accidental removal of sta_id 0 */ 1457 mvm->aux_sta.sta_id = IWL_MVM_INVALID_STA; 1458 mvm->snif_sta.sta_id = IWL_MVM_INVALID_STA; 1459 1460 /* Set EBS as successful as long as not stated otherwise by the FW. */ 1461 mvm->last_ebs_successful = true; 1462 1463 min_backoff = iwl_mvm_min_backoff(mvm); 1464 iwl_mvm_thermal_initialize(mvm, min_backoff); 1465 1466 if (!iwl_mvm_has_new_rx_stats_api(mvm)) 1467 memset(&mvm->rx_stats_v3, 0, 1468 sizeof(struct mvm_statistics_rx_v3)); 1469 else 1470 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx)); 1471 1472 iwl_mvm_ftm_initiator_smooth_config(mvm); 1473 1474 iwl_mvm_init_time_sync(&mvm->time_sync); 1475 1476 mvm->debugfs_dir = dbgfs_dir; 1477 1478 mvm->mei_registered = !iwl_mei_register(mvm, &mei_ops); 1479 1480 iwl_mvm_mei_scan_filter_init(&mvm->mei_scan_filter); 1481 1482 if (iwl_mvm_start_get_nvm(mvm)) { 1483 /* 1484 * Getting NVM failed while CSME is the owner, but we are 1485 * registered to MEI, we'll get the NVM later when it'll be 1486 * possible to get it from CSME. 1487 */ 1488 if (trans->csme_own && mvm->mei_registered) 1489 return op_mode; 1490 1491 goto out_thermal_exit; 1492 } 1493 1494 1495 if (iwl_mvm_start_post_nvm(mvm)) 1496 goto out_thermal_exit; 1497 1498 return op_mode; 1499 1500 out_thermal_exit: 1501 iwl_mvm_thermal_exit(mvm); 1502 if (mvm->mei_registered) { 1503 iwl_mei_start_unregister(); 1504 iwl_mei_unregister_complete(); 1505 } 1506 out_free: 1507 iwl_fw_flush_dumps(&mvm->fwrt); 1508 iwl_fw_runtime_free(&mvm->fwrt); 1509 1510 if (iwlmvm_mod_params.init_dbg) 1511 return op_mode; 1512 iwl_phy_db_free(mvm->phy_db); 1513 kfree(mvm->scan_cmd); 1514 iwl_trans_op_mode_leave(trans); 1515 1516 ieee80211_free_hw(mvm->hw); 1517 return NULL; 1518 } 1519 1520 void iwl_mvm_stop_device(struct iwl_mvm *mvm) 1521 { 1522 lockdep_assert_held(&mvm->mutex); 1523 1524 iwl_fw_cancel_timestamp(&mvm->fwrt); 1525 1526 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1527 1528 iwl_fw_dbg_stop_sync(&mvm->fwrt); 1529 iwl_trans_stop_device(mvm->trans); 1530 iwl_free_fw_paging(&mvm->fwrt); 1531 iwl_fw_dump_conf_clear(&mvm->fwrt); 1532 iwl_mvm_mei_device_state(mvm, false); 1533 } 1534 1535 static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) 1536 { 1537 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1538 int i; 1539 1540 if (mvm->mei_registered) { 1541 rtnl_lock(); 1542 iwl_mei_set_netdev(NULL); 1543 rtnl_unlock(); 1544 iwl_mei_start_unregister(); 1545 } 1546 1547 /* 1548 * After we unregister from mei, the worker can't be scheduled 1549 * anymore. 1550 */ 1551 cancel_work_sync(&mvm->sap_connected_wk); 1552 1553 iwl_mvm_leds_exit(mvm); 1554 1555 iwl_mvm_thermal_exit(mvm); 1556 1557 /* 1558 * If we couldn't get ownership on the device and we couldn't 1559 * get the NVM from CSME, we haven't registered to mac80211. 1560 * In that case, we didn't fail op_mode_start, because we are 1561 * waiting for CSME to allow us to get the NVM to register to 1562 * mac80211. If that didn't happen, we haven't registered to 1563 * mac80211, hence the if below. 1564 */ 1565 if (mvm->hw_registered) 1566 ieee80211_unregister_hw(mvm->hw); 1567 1568 kfree(mvm->scan_cmd); 1569 kfree(mvm->mcast_filter_cmd); 1570 mvm->mcast_filter_cmd = NULL; 1571 1572 kfree(mvm->error_recovery_buf); 1573 mvm->error_recovery_buf = NULL; 1574 1575 iwl_mvm_ptp_remove(mvm); 1576 1577 iwl_trans_op_mode_leave(mvm->trans); 1578 1579 iwl_phy_db_free(mvm->phy_db); 1580 mvm->phy_db = NULL; 1581 1582 kfree(mvm->nvm_data); 1583 kfree(mvm->mei_nvm_data); 1584 kfree(rcu_access_pointer(mvm->csme_conn_info)); 1585 kfree(mvm->temp_nvm_data); 1586 for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++) 1587 kfree(mvm->nvm_sections[i].data); 1588 kfree(mvm->acs_survey); 1589 1590 cancel_delayed_work_sync(&mvm->tcm.work); 1591 1592 iwl_fw_runtime_free(&mvm->fwrt); 1593 mutex_destroy(&mvm->mutex); 1594 1595 if (mvm->mei_registered) 1596 iwl_mei_unregister_complete(); 1597 1598 ieee80211_free_hw(mvm->hw); 1599 } 1600 1601 struct iwl_async_handler_entry { 1602 struct list_head list; 1603 struct iwl_rx_cmd_buffer rxb; 1604 enum iwl_rx_handler_context context; 1605 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1606 }; 1607 1608 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm) 1609 { 1610 struct iwl_async_handler_entry *entry, *tmp; 1611 1612 spin_lock_bh(&mvm->async_handlers_lock); 1613 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { 1614 iwl_free_rxb(&entry->rxb); 1615 list_del(&entry->list); 1616 kfree(entry); 1617 } 1618 spin_unlock_bh(&mvm->async_handlers_lock); 1619 } 1620 1621 /* 1622 * This function receives a bitmap of rx async handler contexts 1623 * (&iwl_rx_handler_context) to handle, and runs only them 1624 */ 1625 static void iwl_mvm_async_handlers_by_context(struct iwl_mvm *mvm, 1626 u8 contexts) 1627 { 1628 struct iwl_async_handler_entry *entry, *tmp; 1629 LIST_HEAD(local_list); 1630 1631 /* 1632 * Sync with Rx path with a lock. Remove all the entries of the 1633 * wanted contexts from this list, add them to a local one (lock free), 1634 * and then handle them. 1635 */ 1636 spin_lock_bh(&mvm->async_handlers_lock); 1637 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { 1638 if (!(BIT(entry->context) & contexts)) 1639 continue; 1640 list_del(&entry->list); 1641 list_add_tail(&entry->list, &local_list); 1642 } 1643 spin_unlock_bh(&mvm->async_handlers_lock); 1644 1645 list_for_each_entry_safe(entry, tmp, &local_list, list) { 1646 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED) 1647 mutex_lock(&mvm->mutex); 1648 entry->fn(mvm, &entry->rxb); 1649 iwl_free_rxb(&entry->rxb); 1650 list_del(&entry->list); 1651 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED) 1652 mutex_unlock(&mvm->mutex); 1653 kfree(entry); 1654 } 1655 } 1656 1657 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy, 1658 struct wiphy_work *wk) 1659 { 1660 struct iwl_mvm *mvm = 1661 container_of(wk, struct iwl_mvm, async_handlers_wiphy_wk); 1662 u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED_WIPHY); 1663 1664 iwl_mvm_async_handlers_by_context(mvm, contexts); 1665 } 1666 1667 static void iwl_mvm_async_handlers_wk(struct work_struct *wk) 1668 { 1669 struct iwl_mvm *mvm = 1670 container_of(wk, struct iwl_mvm, async_handlers_wk); 1671 u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED) | 1672 BIT(RX_HANDLER_ASYNC_UNLOCKED); 1673 1674 iwl_mvm_async_handlers_by_context(mvm, contexts); 1675 } 1676 1677 static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm, 1678 struct iwl_rx_packet *pkt) 1679 { 1680 struct iwl_fw_dbg_trigger_tlv *trig; 1681 struct iwl_fw_dbg_trigger_cmd *cmds_trig; 1682 int i; 1683 1684 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL, 1685 FW_DBG_TRIGGER_FW_NOTIF); 1686 if (!trig) 1687 return; 1688 1689 cmds_trig = (void *)trig->data; 1690 1691 for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) { 1692 /* don't collect on CMD 0 */ 1693 if (!cmds_trig->cmds[i].cmd_id) 1694 break; 1695 1696 if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd || 1697 cmds_trig->cmds[i].group_id != pkt->hdr.group_id) 1698 continue; 1699 1700 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 1701 "CMD 0x%02x.%02x received", 1702 pkt->hdr.group_id, pkt->hdr.cmd); 1703 break; 1704 } 1705 } 1706 1707 static void iwl_mvm_rx_common(struct iwl_mvm *mvm, 1708 struct iwl_rx_cmd_buffer *rxb, 1709 struct iwl_rx_packet *pkt) 1710 { 1711 unsigned int pkt_len = iwl_rx_packet_payload_len(pkt); 1712 int i; 1713 union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt }; 1714 1715 iwl_dbg_tlv_time_point(&mvm->fwrt, 1716 IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data); 1717 iwl_mvm_rx_check_trigger(mvm, pkt); 1718 1719 /* 1720 * Do the notification wait before RX handlers so 1721 * even if the RX handler consumes the RXB we have 1722 * access to it in the notification wait entry. 1723 */ 1724 iwl_notification_wait_notify(&mvm->notif_wait, pkt); 1725 1726 for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) { 1727 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i]; 1728 struct iwl_async_handler_entry *entry; 1729 1730 if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd)) 1731 continue; 1732 1733 if (IWL_FW_CHECK(mvm, pkt_len < rx_h->min_size, 1734 "unexpected notification 0x%04x size %d, need %d\n", 1735 rx_h->cmd_id, pkt_len, rx_h->min_size)) 1736 return; 1737 1738 if (rx_h->context == RX_HANDLER_SYNC) { 1739 rx_h->fn(mvm, rxb); 1740 return; 1741 } 1742 1743 entry = kzalloc(sizeof(*entry), GFP_ATOMIC); 1744 /* we can't do much... */ 1745 if (!entry) 1746 return; 1747 1748 entry->rxb._page = rxb_steal_page(rxb); 1749 entry->rxb._offset = rxb->_offset; 1750 entry->rxb._rx_page_order = rxb->_rx_page_order; 1751 entry->fn = rx_h->fn; 1752 entry->context = rx_h->context; 1753 spin_lock(&mvm->async_handlers_lock); 1754 list_add_tail(&entry->list, &mvm->async_handlers_list); 1755 spin_unlock(&mvm->async_handlers_lock); 1756 if (rx_h->context == RX_HANDLER_ASYNC_LOCKED_WIPHY) 1757 wiphy_work_queue(mvm->hw->wiphy, 1758 &mvm->async_handlers_wiphy_wk); 1759 else 1760 schedule_work(&mvm->async_handlers_wk); 1761 break; 1762 } 1763 } 1764 1765 static void iwl_mvm_rx(struct iwl_op_mode *op_mode, 1766 struct napi_struct *napi, 1767 struct iwl_rx_cmd_buffer *rxb) 1768 { 1769 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1770 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1771 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1772 1773 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1774 iwl_mvm_rx_rx_mpdu(mvm, napi, rxb); 1775 else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD)) 1776 iwl_mvm_rx_rx_phy_cmd(mvm, rxb); 1777 else 1778 iwl_mvm_rx_common(mvm, rxb, pkt); 1779 } 1780 1781 void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode, 1782 struct napi_struct *napi, 1783 struct iwl_rx_cmd_buffer *rxb) 1784 { 1785 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1786 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1787 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1788 1789 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1790 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0); 1791 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, 1792 RX_QUEUES_NOTIFICATION))) 1793 iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0); 1794 else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)) 1795 iwl_mvm_rx_frame_release(mvm, napi, rxb, 0); 1796 else if (cmd == WIDE_ID(LEGACY_GROUP, BAR_FRAME_RELEASE)) 1797 iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0); 1798 else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF)) 1799 iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0); 1800 else 1801 iwl_mvm_rx_common(mvm, rxb, pkt); 1802 } 1803 1804 static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue) 1805 { 1806 return queue == mvm->aux_queue || queue == mvm->probe_queue || 1807 queue == mvm->p2p_dev_queue || queue == mvm->snif_queue; 1808 } 1809 1810 static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode, 1811 int hw_queue, bool start) 1812 { 1813 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1814 struct ieee80211_sta *sta; 1815 struct ieee80211_txq *txq; 1816 struct iwl_mvm_txq *mvmtxq; 1817 int i; 1818 unsigned long tid_bitmap; 1819 struct iwl_mvm_sta *mvmsta; 1820 u8 sta_id; 1821 1822 sta_id = iwl_mvm_has_new_tx_api(mvm) ? 1823 mvm->tvqm_info[hw_queue].sta_id : 1824 mvm->queue_info[hw_queue].ra_sta_id; 1825 1826 if (WARN_ON_ONCE(sta_id >= mvm->fw->ucode_capa.num_stations)) 1827 return; 1828 1829 rcu_read_lock(); 1830 1831 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); 1832 if (IS_ERR_OR_NULL(sta)) 1833 goto out; 1834 mvmsta = iwl_mvm_sta_from_mac80211(sta); 1835 1836 if (iwl_mvm_is_static_queue(mvm, hw_queue)) { 1837 if (!start) 1838 ieee80211_stop_queues(mvm->hw); 1839 else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST) 1840 ieee80211_wake_queues(mvm->hw); 1841 1842 goto out; 1843 } 1844 1845 if (iwl_mvm_has_new_tx_api(mvm)) { 1846 int tid = mvm->tvqm_info[hw_queue].txq_tid; 1847 1848 tid_bitmap = BIT(tid); 1849 } else { 1850 tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap; 1851 } 1852 1853 for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) { 1854 int tid = i; 1855 1856 if (tid == IWL_MAX_TID_COUNT) 1857 tid = IEEE80211_NUM_TIDS; 1858 1859 txq = sta->txq[tid]; 1860 mvmtxq = iwl_mvm_txq_from_mac80211(txq); 1861 if (start) 1862 clear_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state); 1863 else 1864 set_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state); 1865 1866 if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST) { 1867 local_bh_disable(); 1868 iwl_mvm_mac_itxq_xmit(mvm->hw, txq); 1869 local_bh_enable(); 1870 } 1871 } 1872 1873 out: 1874 rcu_read_unlock(); 1875 } 1876 1877 static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) 1878 { 1879 iwl_mvm_queue_state_change(op_mode, hw_queue, false); 1880 } 1881 1882 static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) 1883 { 1884 iwl_mvm_queue_state_change(op_mode, hw_queue, true); 1885 } 1886 1887 static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm) 1888 { 1889 wiphy_rfkill_set_hw_state(mvm->hw->wiphy, 1890 iwl_mvm_is_radio_killed(mvm)); 1891 } 1892 1893 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state) 1894 { 1895 if (state) 1896 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1897 else 1898 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1899 1900 iwl_mvm_set_rfkill_state(mvm); 1901 } 1902 1903 struct iwl_mvm_csme_conn_info *iwl_mvm_get_csme_conn_info(struct iwl_mvm *mvm) 1904 { 1905 return rcu_dereference_protected(mvm->csme_conn_info, 1906 lockdep_is_held(&mvm->mutex)); 1907 } 1908 1909 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) 1910 { 1911 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1912 bool rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done); 1913 bool unified = iwl_mvm_has_unified_ucode(mvm); 1914 1915 if (state) { 1916 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1917 wake_up(&mvm->rx_sync_waitq); 1918 } else { 1919 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1920 } 1921 1922 iwl_mvm_set_rfkill_state(mvm); 1923 1924 /* iwl_run_init_mvm_ucode is waiting for results, abort it. */ 1925 if (rfkill_safe_init_done) 1926 iwl_abort_notification_waits(&mvm->notif_wait); 1927 1928 /* 1929 * Don't ask the transport to stop the firmware. We'll do it 1930 * after cfg80211 takes us down. 1931 */ 1932 if (unified) 1933 return false; 1934 1935 /* 1936 * Stop the device if we run OPERATIONAL firmware or if we are in the 1937 * middle of the calibrations. 1938 */ 1939 return state && rfkill_safe_init_done; 1940 } 1941 1942 static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) 1943 { 1944 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1945 struct ieee80211_tx_info *info; 1946 1947 info = IEEE80211_SKB_CB(skb); 1948 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]); 1949 ieee80211_free_txskb(mvm->hw, skb); 1950 } 1951 1952 struct iwl_mvm_reprobe { 1953 struct device *dev; 1954 struct work_struct work; 1955 }; 1956 1957 static void iwl_mvm_reprobe_wk(struct work_struct *wk) 1958 { 1959 struct iwl_mvm_reprobe *reprobe; 1960 1961 reprobe = container_of(wk, struct iwl_mvm_reprobe, work); 1962 if (device_reprobe(reprobe->dev)) 1963 dev_err(reprobe->dev, "reprobe failed!\n"); 1964 put_device(reprobe->dev); 1965 kfree(reprobe); 1966 module_put(THIS_MODULE); 1967 } 1968 1969 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) 1970 { 1971 iwl_abort_notification_waits(&mvm->notif_wait); 1972 iwl_dbg_tlv_del_timers(mvm->trans); 1973 1974 /* 1975 * This is a bit racy, but worst case we tell mac80211 about 1976 * a stopped/aborted scan when that was already done which 1977 * is not a problem. It is necessary to abort any os scan 1978 * here because mac80211 requires having the scan cleared 1979 * before restarting. 1980 * We'll reset the scan_status to NONE in restart cleanup in 1981 * the next start() call from mac80211. If restart isn't called 1982 * (no fw restart) scan status will stay busy. 1983 */ 1984 iwl_mvm_report_scan_aborted(mvm); 1985 1986 /* 1987 * If we're restarting already, don't cycle restarts. 1988 * If INIT fw asserted, it will likely fail again. 1989 * If WoWLAN fw asserted, don't restart either, mac80211 1990 * can't recover this since we're already half suspended. 1991 */ 1992 if (!mvm->fw_restart && fw_error) { 1993 iwl_fw_error_collect(&mvm->fwrt, false); 1994 } else if (test_bit(IWL_MVM_STATUS_STARTING, 1995 &mvm->status)) { 1996 IWL_ERR(mvm, "Starting mac, retry will be triggered anyway\n"); 1997 } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1998 struct iwl_mvm_reprobe *reprobe; 1999 2000 IWL_ERR(mvm, 2001 "Firmware error during reconfiguration - reprobe!\n"); 2002 2003 /* 2004 * get a module reference to avoid doing this while unloading 2005 * anyway and to avoid scheduling a work with code that's 2006 * being removed. 2007 */ 2008 if (!try_module_get(THIS_MODULE)) { 2009 IWL_ERR(mvm, "Module is being unloaded - abort\n"); 2010 return; 2011 } 2012 2013 reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC); 2014 if (!reprobe) { 2015 module_put(THIS_MODULE); 2016 return; 2017 } 2018 reprobe->dev = get_device(mvm->trans->dev); 2019 INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk); 2020 schedule_work(&reprobe->work); 2021 } else if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 2022 &mvm->status)) { 2023 IWL_ERR(mvm, "HW restart already requested, but not started\n"); 2024 } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR && 2025 mvm->hw_registered && 2026 !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) { 2027 /* This should be first thing before trying to collect any 2028 * data to avoid endless loops if any HW error happens while 2029 * collecting debug data. 2030 */ 2031 set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 2032 2033 if (mvm->fw->ucode_capa.error_log_size) { 2034 u32 src_size = mvm->fw->ucode_capa.error_log_size; 2035 u32 src_addr = mvm->fw->ucode_capa.error_log_addr; 2036 u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC); 2037 2038 if (recover_buf) { 2039 mvm->error_recovery_buf = recover_buf; 2040 iwl_trans_read_mem_bytes(mvm->trans, 2041 src_addr, 2042 recover_buf, 2043 src_size); 2044 } 2045 } 2046 2047 iwl_fw_error_collect(&mvm->fwrt, false); 2048 2049 if (fw_error && mvm->fw_restart > 0) { 2050 mvm->fw_restart--; 2051 ieee80211_restart_hw(mvm->hw); 2052 } else if (mvm->fwrt.trans->dbg.restart_required) { 2053 IWL_DEBUG_INFO(mvm, "FW restart requested after debug collection\n"); 2054 mvm->fwrt.trans->dbg.restart_required = false; 2055 ieee80211_restart_hw(mvm->hw); 2056 } else if (mvm->trans->trans_cfg->device_family <= IWL_DEVICE_FAMILY_8000) { 2057 ieee80211_restart_hw(mvm->hw); 2058 } 2059 } 2060 } 2061 2062 static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode, bool sync) 2063 { 2064 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2065 2066 if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status) && 2067 !test_and_clear_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, 2068 &mvm->status)) 2069 iwl_mvm_dump_nic_error_log(mvm); 2070 2071 if (sync) { 2072 iwl_fw_error_collect(&mvm->fwrt, true); 2073 /* 2074 * Currently, the only case for sync=true is during 2075 * shutdown, so just stop in this case. If/when that 2076 * changes, we need to be a bit smarter here. 2077 */ 2078 return; 2079 } 2080 2081 /* 2082 * If the firmware crashes while we're already considering it 2083 * to be dead then don't ask for a restart, that cannot do 2084 * anything useful anyway. 2085 */ 2086 if (!test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status)) 2087 return; 2088 2089 iwl_mvm_nic_restart(mvm, false); 2090 } 2091 2092 static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode) 2093 { 2094 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2095 2096 WARN_ON(1); 2097 iwl_mvm_nic_restart(mvm, true); 2098 } 2099 2100 static void iwl_op_mode_mvm_time_point(struct iwl_op_mode *op_mode, 2101 enum iwl_fw_ini_time_point tp_id, 2102 union iwl_dbg_tlv_tp_data *tp_data) 2103 { 2104 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2105 2106 iwl_dbg_tlv_time_point(&mvm->fwrt, tp_id, tp_data); 2107 } 2108 2109 #define IWL_MVM_COMMON_OPS \ 2110 /* these could be differentiated */ \ 2111 .queue_full = iwl_mvm_stop_sw_queue, \ 2112 .queue_not_full = iwl_mvm_wake_sw_queue, \ 2113 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \ 2114 .free_skb = iwl_mvm_free_skb, \ 2115 .nic_error = iwl_mvm_nic_error, \ 2116 .cmd_queue_full = iwl_mvm_cmd_queue_full, \ 2117 .nic_config = iwl_mvm_nic_config, \ 2118 /* as we only register one, these MUST be common! */ \ 2119 .start = iwl_op_mode_mvm_start, \ 2120 .stop = iwl_op_mode_mvm_stop, \ 2121 .time_point = iwl_op_mode_mvm_time_point 2122 2123 static const struct iwl_op_mode_ops iwl_mvm_ops = { 2124 IWL_MVM_COMMON_OPS, 2125 .rx = iwl_mvm_rx, 2126 }; 2127 2128 static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode, 2129 struct napi_struct *napi, 2130 struct iwl_rx_cmd_buffer *rxb, 2131 unsigned int queue) 2132 { 2133 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2134 struct iwl_rx_packet *pkt = rxb_addr(rxb); 2135 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 2136 2137 if (unlikely(queue >= mvm->trans->num_rx_queues)) 2138 return; 2139 2140 if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))) 2141 iwl_mvm_rx_frame_release(mvm, napi, rxb, queue); 2142 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, 2143 RX_QUEUES_NOTIFICATION))) 2144 iwl_mvm_rx_queue_notif(mvm, napi, rxb, queue); 2145 else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 2146 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue); 2147 } 2148 2149 static const struct iwl_op_mode_ops iwl_mvm_ops_mq = { 2150 IWL_MVM_COMMON_OPS, 2151 .rx = iwl_mvm_rx_mq, 2152 .rx_rss = iwl_mvm_rx_mq_rss, 2153 }; 2154