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-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 67 return ret; 68 } 69 module_init(iwl_mvm_init); 70 71 static void __exit iwl_mvm_exit(void) 72 { 73 iwl_opmode_deregister("iwlmvm"); 74 iwl_mvm_rate_control_unregister(); 75 } 76 module_exit(iwl_mvm_exit); 77 78 static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode) 79 { 80 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 81 u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash; 82 u32 reg_val; 83 u32 phy_config = iwl_mvm_get_phy_config(mvm); 84 85 radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >> 86 FW_PHY_CFG_RADIO_TYPE_POS; 87 radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >> 88 FW_PHY_CFG_RADIO_STEP_POS; 89 radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >> 90 FW_PHY_CFG_RADIO_DASH_POS; 91 92 IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type, 93 radio_cfg_step, radio_cfg_dash); 94 95 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) 96 return; 97 98 /* SKU control */ 99 reg_val = CSR_HW_REV_STEP_DASH(mvm->trans->hw_rev); 100 101 /* radio configuration */ 102 reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE; 103 reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP; 104 reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH; 105 106 WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) & 107 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE); 108 109 /* 110 * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC 111 * sampling, and shouldn't be set to any non-zero value. 112 * The same is supposed to be true of the other HW, but unsetting 113 * them (such as the 7260) causes automatic tests to fail on seemingly 114 * unrelated errors. Need to further investigate this, but for now 115 * we'll separate cases. 116 */ 117 if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000) 118 reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI; 119 120 if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt)) 121 reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG; 122 123 iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG, 124 CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP_DASH | 125 CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE | 126 CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP | 127 CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH | 128 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | 129 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI | 130 CSR_HW_IF_CONFIG_REG_D3_DEBUG, 131 reg_val); 132 133 /* 134 * W/A : NIC is stuck in a reset state after Early PCIe power off 135 * (PCIe power is lost before PERST# is asserted), causing ME FW 136 * to lose ownership and not being able to obtain it back. 137 */ 138 if (!mvm->trans->cfg->apmg_not_supported) 139 iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG, 140 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS, 141 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); 142 } 143 144 static void iwl_mvm_rx_esr_mode_notif(struct iwl_mvm *mvm, 145 struct iwl_rx_cmd_buffer *rxb) 146 { 147 struct iwl_rx_packet *pkt = rxb_addr(rxb); 148 struct iwl_mvm_esr_mode_notif *notif = (void *)pkt->data; 149 struct ieee80211_vif *vif = iwl_mvm_get_bss_vif(mvm); 150 151 /* FW recommendations is only for entering EMLSR */ 152 if (IS_ERR_OR_NULL(vif) || iwl_mvm_vif_from_mac80211(vif)->esr_active) 153 return; 154 155 if (le32_to_cpu(notif->action) == ESR_RECOMMEND_ENTER) 156 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW); 157 else 158 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW, 159 iwl_mvm_get_primary_link(vif)); 160 } 161 162 static void iwl_mvm_rx_monitor_notif(struct iwl_mvm *mvm, 163 struct iwl_rx_cmd_buffer *rxb) 164 { 165 struct iwl_rx_packet *pkt = rxb_addr(rxb); 166 struct iwl_datapath_monitor_notif *notif = (void *)pkt->data; 167 struct ieee80211_supported_band *sband; 168 const struct ieee80211_sta_he_cap *he_cap; 169 struct ieee80211_vif *vif; 170 171 if (notif->type != cpu_to_le32(IWL_DP_MON_NOTIF_TYPE_EXT_CCA)) 172 return; 173 174 vif = iwl_mvm_get_vif_by_macid(mvm, notif->mac_id); 175 if (!vif || vif->type != NL80211_IFTYPE_STATION) 176 return; 177 178 if (!vif->bss_conf.chanreq.oper.chan || 179 vif->bss_conf.chanreq.oper.chan->band != NL80211_BAND_2GHZ || 180 vif->bss_conf.chanreq.oper.width < NL80211_CHAN_WIDTH_40) 181 return; 182 183 if (!vif->cfg.assoc) 184 return; 185 186 /* this shouldn't happen *again*, ignore it */ 187 if (mvm->cca_40mhz_workaround) 188 return; 189 190 /* 191 * We'll decrement this on disconnect - so set to 2 since we'll 192 * still have to disconnect from the current AP first. 193 */ 194 mvm->cca_40mhz_workaround = 2; 195 196 /* 197 * This capability manipulation isn't really ideal, but it's the 198 * easiest choice - otherwise we'd have to do some major changes 199 * in mac80211 to support this, which isn't worth it. This does 200 * mean that userspace may have outdated information, but that's 201 * actually not an issue at all. 202 */ 203 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 204 205 WARN_ON(!sband->ht_cap.ht_supported); 206 WARN_ON(!(sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)); 207 sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; 208 209 he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 210 211 if (he_cap) { 212 /* we know that ours is writable */ 213 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; 214 215 WARN_ON(!he->has_he); 216 WARN_ON(!(he->he_cap_elem.phy_cap_info[0] & 217 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)); 218 he->he_cap_elem.phy_cap_info[0] &= 219 ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 220 } 221 222 ieee80211_disconnect(vif, true); 223 } 224 225 void iwl_mvm_update_link_smps(struct ieee80211_vif *vif, 226 struct ieee80211_bss_conf *link_conf) 227 { 228 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 229 struct iwl_mvm *mvm = mvmvif->mvm; 230 enum ieee80211_smps_mode mode = IEEE80211_SMPS_AUTOMATIC; 231 232 if (!link_conf) 233 return; 234 235 if (mvm->fw_static_smps_request && 236 link_conf->chanreq.oper.width == NL80211_CHAN_WIDTH_160 && 237 link_conf->he_support) 238 mode = IEEE80211_SMPS_STATIC; 239 240 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_FW, mode, 241 link_conf->link_id); 242 } 243 244 static void iwl_mvm_intf_dual_chain_req(void *data, u8 *mac, 245 struct ieee80211_vif *vif) 246 { 247 struct ieee80211_bss_conf *link_conf; 248 unsigned int link_id; 249 250 rcu_read_lock(); 251 252 for_each_vif_active_link(vif, link_conf, link_id) 253 iwl_mvm_update_link_smps(vif, link_conf); 254 255 rcu_read_unlock(); 256 } 257 258 static void iwl_mvm_rx_thermal_dual_chain_req(struct iwl_mvm *mvm, 259 struct iwl_rx_cmd_buffer *rxb) 260 { 261 struct iwl_rx_packet *pkt = rxb_addr(rxb); 262 struct iwl_thermal_dual_chain_request *req = (void *)pkt->data; 263 264 /* 265 * We could pass it to the iterator data, but also need to remember 266 * it for new interfaces that are added while in this state. 267 */ 268 mvm->fw_static_smps_request = 269 req->event == cpu_to_le32(THERMAL_DUAL_CHAIN_REQ_DISABLE); 270 ieee80211_iterate_interfaces(mvm->hw, 271 IEEE80211_IFACE_SKIP_SDATA_NOT_IN_DRIVER, 272 iwl_mvm_intf_dual_chain_req, NULL); 273 } 274 275 /** 276 * enum iwl_rx_handler_context: context for Rx handler 277 * @RX_HANDLER_SYNC : this means that it will be called in the Rx path 278 * which can't acquire mvm->mutex. 279 * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex 280 * (and only in this case!), it should be set as ASYNC. In that case, 281 * it will be called from a worker with mvm->mutex held. 282 * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the 283 * mutex itself, it will be called from a worker without mvm->mutex held. 284 * @RX_HANDLER_ASYNC_LOCKED_WIPHY: If the handler needs to hold the wiphy lock 285 * and mvm->mutex. Will be handled with the wiphy_work queue infra 286 * instead of regular work queue. 287 */ 288 enum iwl_rx_handler_context { 289 RX_HANDLER_SYNC, 290 RX_HANDLER_ASYNC_LOCKED, 291 RX_HANDLER_ASYNC_UNLOCKED, 292 RX_HANDLER_ASYNC_LOCKED_WIPHY, 293 }; 294 295 /** 296 * struct iwl_rx_handlers: handler for FW notification 297 * @cmd_id: command id 298 * @min_size: minimum size to expect for the notification 299 * @context: see &iwl_rx_handler_context 300 * @fn: the function is called when notification is received 301 */ 302 struct iwl_rx_handlers { 303 u16 cmd_id, min_size; 304 enum iwl_rx_handler_context context; 305 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 306 }; 307 308 #define RX_HANDLER_NO_SIZE(_cmd_id, _fn, _context) \ 309 { .cmd_id = _cmd_id, .fn = _fn, .context = _context, } 310 #define RX_HANDLER_GRP_NO_SIZE(_grp, _cmd, _fn, _context) \ 311 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context, } 312 #define RX_HANDLER(_cmd_id, _fn, _context, _struct) \ 313 { .cmd_id = _cmd_id, .fn = _fn, \ 314 .context = _context, .min_size = sizeof(_struct), } 315 #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context, _struct) \ 316 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, \ 317 .context = _context, .min_size = sizeof(_struct), } 318 319 /* 320 * Handlers for fw notifications 321 * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME 322 * This list should be in order of frequency for performance purposes. 323 * 324 * The handler can be one from three contexts, see &iwl_rx_handler_context 325 */ 326 static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { 327 RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC, 328 struct iwl_mvm_tx_resp), 329 RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC, 330 struct iwl_mvm_ba_notif), 331 332 RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF, 333 iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC, 334 struct iwl_tlc_update_notif), 335 336 RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif, 337 RX_HANDLER_ASYNC_LOCKED_WIPHY, 338 struct iwl_bt_coex_profile_notif), 339 RX_HANDLER_NO_SIZE(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, 340 RX_HANDLER_ASYNC_LOCKED), 341 RX_HANDLER_NO_SIZE(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, 342 RX_HANDLER_ASYNC_LOCKED), 343 344 RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_NOTIF, 345 iwl_mvm_handle_rx_system_oper_stats, 346 RX_HANDLER_ASYNC_LOCKED_WIPHY, 347 struct iwl_system_statistics_notif_oper), 348 RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_PART1_NOTIF, 349 iwl_mvm_handle_rx_system_oper_part1_stats, 350 RX_HANDLER_ASYNC_LOCKED, 351 struct iwl_system_statistics_part1_notif_oper), 352 RX_HANDLER_GRP(SYSTEM_GROUP, SYSTEM_STATISTICS_END_NOTIF, 353 iwl_mvm_handle_rx_system_end_stats_notif, 354 RX_HANDLER_ASYNC_LOCKED, 355 struct iwl_system_statistics_end_notif), 356 357 RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID, 358 iwl_mvm_window_status_notif, RX_HANDLER_SYNC, 359 struct iwl_ba_window_status_notif), 360 361 RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, 362 RX_HANDLER_SYNC, struct iwl_time_event_notif), 363 RX_HANDLER_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF, 364 iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC, 365 struct iwl_mvm_session_prot_notif), 366 RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc, 367 RX_HANDLER_ASYNC_LOCKED, struct iwl_mcc_chub_notif), 368 369 RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC, 370 struct iwl_mvm_eosp_notification), 371 372 RX_HANDLER(SCAN_ITERATION_COMPLETE, 373 iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC, 374 struct iwl_lmac_scan_complete_notif), 375 RX_HANDLER(SCAN_OFFLOAD_COMPLETE, 376 iwl_mvm_rx_lmac_scan_complete_notif, 377 RX_HANDLER_ASYNC_LOCKED, struct iwl_periodic_scan_complete), 378 RX_HANDLER_NO_SIZE(MATCH_FOUND_NOTIFICATION, 379 iwl_mvm_rx_scan_match_found, 380 RX_HANDLER_SYNC), 381 RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif, 382 RX_HANDLER_ASYNC_LOCKED, 383 struct iwl_umac_scan_complete), 384 RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC, 385 iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC, 386 struct iwl_umac_scan_iter_complete_notif), 387 388 RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif, 389 RX_HANDLER_ASYNC_LOCKED_WIPHY, 390 struct iwl_missed_beacons_notif), 391 392 RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC, 393 struct iwl_error_resp), 394 RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION, 395 iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC, 396 struct iwl_uapsd_misbehaving_ap_notif), 397 RX_HANDLER_NO_SIZE(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, 398 RX_HANDLER_ASYNC_LOCKED), 399 RX_HANDLER_GRP_NO_SIZE(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE, 400 iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED), 401 RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION, 402 iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC, 403 struct ct_kill_notif), 404 405 RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif, 406 RX_HANDLER_ASYNC_LOCKED, 407 struct iwl_tdls_channel_switch_notif), 408 RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, 409 RX_HANDLER_SYNC, struct iwl_mfuart_load_notif_v1), 410 RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS, 411 iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED, 412 struct iwl_ftm_responder_stats), 413 414 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF, 415 iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED), 416 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_LC_NOTIF, 417 iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED), 418 419 RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF, 420 iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC, 421 struct iwl_mfu_assert_dump_notif), 422 RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF, 423 iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC, 424 struct iwl_stored_beacon_notif_v2), 425 RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF, 426 iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC, 427 struct iwl_mu_group_mgmt_notif), 428 RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF, 429 iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC, 430 struct iwl_mvm_pm_state_notification), 431 RX_HANDLER_GRP(MAC_CONF_GROUP, PROBE_RESPONSE_DATA_NOTIF, 432 iwl_mvm_probe_resp_data_notif, 433 RX_HANDLER_ASYNC_LOCKED, 434 struct iwl_probe_resp_data_notif), 435 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_START_NOTIF, 436 iwl_mvm_channel_switch_start_notif, 437 RX_HANDLER_SYNC, struct iwl_channel_switch_start_notif), 438 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_ERROR_NOTIF, 439 iwl_mvm_channel_switch_error_notif, 440 RX_HANDLER_ASYNC_UNLOCKED, 441 struct iwl_channel_switch_error_notif), 442 443 RX_HANDLER_GRP(DATA_PATH_GROUP, ESR_MODE_NOTIF, 444 iwl_mvm_rx_esr_mode_notif, 445 RX_HANDLER_ASYNC_LOCKED_WIPHY, 446 struct iwl_mvm_esr_mode_notif), 447 448 RX_HANDLER_GRP(DATA_PATH_GROUP, MONITOR_NOTIF, 449 iwl_mvm_rx_monitor_notif, RX_HANDLER_ASYNC_LOCKED, 450 struct iwl_datapath_monitor_notif), 451 452 RX_HANDLER_GRP(DATA_PATH_GROUP, THERMAL_DUAL_CHAIN_REQUEST, 453 iwl_mvm_rx_thermal_dual_chain_req, 454 RX_HANDLER_ASYNC_LOCKED, 455 struct iwl_thermal_dual_chain_request), 456 457 RX_HANDLER_GRP(SYSTEM_GROUP, RFI_DEACTIVATE_NOTIF, 458 iwl_rfi_deactivate_notif_handler, RX_HANDLER_ASYNC_UNLOCKED, 459 struct iwl_rfi_deactivate_notif), 460 461 RX_HANDLER_GRP(LEGACY_GROUP, 462 WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION, 463 iwl_mvm_time_sync_msmt_event, RX_HANDLER_SYNC, 464 struct iwl_time_msmt_notify), 465 RX_HANDLER_GRP(LEGACY_GROUP, 466 WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION, 467 iwl_mvm_time_sync_msmt_confirm_event, RX_HANDLER_SYNC, 468 struct iwl_time_msmt_cfm_notify), 469 RX_HANDLER_GRP(MAC_CONF_GROUP, ROC_NOTIF, 470 iwl_mvm_rx_roc_notif, RX_HANDLER_ASYNC_LOCKED, 471 struct iwl_roc_notif), 472 RX_HANDLER_GRP(SCAN_GROUP, CHANNEL_SURVEY_NOTIF, 473 iwl_mvm_rx_channel_survey_notif, RX_HANDLER_ASYNC_LOCKED, 474 struct iwl_umac_scan_channel_survey_notif), 475 }; 476 #undef RX_HANDLER 477 #undef RX_HANDLER_GRP 478 479 /* Please keep this array *SORTED* by hex value. 480 * Access is done through binary search 481 */ 482 static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = { 483 HCMD_NAME(UCODE_ALIVE_NTFY), 484 HCMD_NAME(REPLY_ERROR), 485 HCMD_NAME(ECHO_CMD), 486 HCMD_NAME(INIT_COMPLETE_NOTIF), 487 HCMD_NAME(PHY_CONTEXT_CMD), 488 HCMD_NAME(DBG_CFG), 489 HCMD_NAME(SCAN_CFG_CMD), 490 HCMD_NAME(SCAN_REQ_UMAC), 491 HCMD_NAME(SCAN_ABORT_UMAC), 492 HCMD_NAME(SCAN_COMPLETE_UMAC), 493 HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID), 494 HCMD_NAME(ADD_STA_KEY), 495 HCMD_NAME(ADD_STA), 496 HCMD_NAME(REMOVE_STA), 497 HCMD_NAME(TX_CMD), 498 HCMD_NAME(SCD_QUEUE_CFG), 499 HCMD_NAME(TXPATH_FLUSH), 500 HCMD_NAME(MGMT_MCAST_KEY), 501 HCMD_NAME(WEP_KEY), 502 HCMD_NAME(SHARED_MEM_CFG), 503 HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD), 504 HCMD_NAME(MAC_CONTEXT_CMD), 505 HCMD_NAME(TIME_EVENT_CMD), 506 HCMD_NAME(TIME_EVENT_NOTIFICATION), 507 HCMD_NAME(BINDING_CONTEXT_CMD), 508 HCMD_NAME(TIME_QUOTA_CMD), 509 HCMD_NAME(NON_QOS_TX_COUNTER_CMD), 510 HCMD_NAME(LEDS_CMD), 511 HCMD_NAME(LQ_CMD), 512 HCMD_NAME(FW_PAGING_BLOCK_CMD), 513 HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD), 514 HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD), 515 HCMD_NAME(HOT_SPOT_CMD), 516 HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD), 517 HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP), 518 HCMD_NAME(BT_COEX_CI), 519 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION), 520 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION), 521 HCMD_NAME(PHY_CONFIGURATION_CMD), 522 HCMD_NAME(CALIB_RES_NOTIF_PHY_DB), 523 HCMD_NAME(PHY_DB_CMD), 524 HCMD_NAME(SCAN_OFFLOAD_COMPLETE), 525 HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD), 526 HCMD_NAME(POWER_TABLE_CMD), 527 HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION), 528 HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF), 529 HCMD_NAME(NVM_ACCESS_CMD), 530 HCMD_NAME(BEACON_NOTIFICATION), 531 HCMD_NAME(BEACON_TEMPLATE_CMD), 532 HCMD_NAME(TX_ANT_CONFIGURATION_CMD), 533 HCMD_NAME(BT_CONFIG), 534 HCMD_NAME(STATISTICS_CMD), 535 HCMD_NAME(STATISTICS_NOTIFICATION), 536 HCMD_NAME(EOSP_NOTIFICATION), 537 HCMD_NAME(REDUCE_TX_POWER_CMD), 538 HCMD_NAME(MISSED_BEACONS_NOTIFICATION), 539 HCMD_NAME(TDLS_CONFIG_CMD), 540 HCMD_NAME(MAC_PM_POWER_TABLE), 541 HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION), 542 HCMD_NAME(MFUART_LOAD_NOTIFICATION), 543 HCMD_NAME(RSS_CONFIG_CMD), 544 HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC), 545 HCMD_NAME(REPLY_RX_PHY_CMD), 546 HCMD_NAME(REPLY_RX_MPDU_CMD), 547 HCMD_NAME(BAR_FRAME_RELEASE), 548 HCMD_NAME(FRAME_RELEASE), 549 HCMD_NAME(BA_NOTIF), 550 HCMD_NAME(MCC_UPDATE_CMD), 551 HCMD_NAME(MCC_CHUB_UPDATE_CMD), 552 HCMD_NAME(MARKER_CMD), 553 HCMD_NAME(BT_PROFILE_NOTIFICATION), 554 HCMD_NAME(MCAST_FILTER_CMD), 555 HCMD_NAME(REPLY_SF_CFG_CMD), 556 HCMD_NAME(REPLY_BEACON_FILTERING_CMD), 557 HCMD_NAME(D3_CONFIG_CMD), 558 HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD), 559 HCMD_NAME(MATCH_FOUND_NOTIFICATION), 560 HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION), 561 HCMD_NAME(WOWLAN_PATTERNS), 562 HCMD_NAME(WOWLAN_CONFIGURATION), 563 HCMD_NAME(WOWLAN_TSC_RSC_PARAM), 564 HCMD_NAME(WOWLAN_TKIP_PARAM), 565 HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL), 566 HCMD_NAME(WOWLAN_GET_STATUSES), 567 HCMD_NAME(SCAN_ITERATION_COMPLETE), 568 HCMD_NAME(D0I3_END_CMD), 569 HCMD_NAME(LTR_CONFIG), 570 HCMD_NAME(LDBG_CONFIG_CMD), 571 HCMD_NAME(DEBUG_LOG_MSG), 572 }; 573 574 /* Please keep this array *SORTED* by hex value. 575 * Access is done through binary search 576 */ 577 static const struct iwl_hcmd_names iwl_mvm_system_names[] = { 578 HCMD_NAME(SHARED_MEM_CFG_CMD), 579 HCMD_NAME(SOC_CONFIGURATION_CMD), 580 HCMD_NAME(INIT_EXTENDED_CFG_CMD), 581 HCMD_NAME(FW_ERROR_RECOVERY_CMD), 582 HCMD_NAME(RFI_CONFIG_CMD), 583 HCMD_NAME(RFI_GET_FREQ_TABLE_CMD), 584 HCMD_NAME(SYSTEM_FEATURES_CONTROL_CMD), 585 HCMD_NAME(SYSTEM_STATISTICS_CMD), 586 HCMD_NAME(SYSTEM_STATISTICS_END_NOTIF), 587 HCMD_NAME(RFI_DEACTIVATE_NOTIF), 588 }; 589 590 /* Please keep this array *SORTED* by hex value. 591 * Access is done through binary search 592 */ 593 static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = { 594 HCMD_NAME(LOW_LATENCY_CMD), 595 HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD), 596 HCMD_NAME(SESSION_PROTECTION_CMD), 597 HCMD_NAME(CANCEL_CHANNEL_SWITCH_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(CHANNEL_SWITCH_ERROR_NOTIF), 607 HCMD_NAME(MISSED_VAP_NOTIF), 608 HCMD_NAME(SESSION_PROTECTION_NOTIF), 609 HCMD_NAME(PROBE_RESPONSE_DATA_NOTIF), 610 HCMD_NAME(CHANNEL_SWITCH_START_NOTIF), 611 }; 612 613 /* Please keep this array *SORTED* by hex value. 614 * Access is done through binary search 615 */ 616 static const struct iwl_hcmd_names iwl_mvm_phy_names[] = { 617 HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE), 618 HCMD_NAME(CTDP_CONFIG_CMD), 619 HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD), 620 HCMD_NAME(PER_CHAIN_LIMIT_OFFSET_CMD), 621 HCMD_NAME(AP_TX_POWER_CONSTRAINTS_CMD), 622 HCMD_NAME(CT_KILL_NOTIFICATION), 623 HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE), 624 }; 625 626 /* Please keep this array *SORTED* by hex value. 627 * Access is done through binary search 628 */ 629 static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = { 630 HCMD_NAME(DQA_ENABLE_CMD), 631 HCMD_NAME(UPDATE_MU_GROUPS_CMD), 632 HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD), 633 HCMD_NAME(WNM_PLATFORM_PTM_REQUEST_CMD), 634 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD), 635 HCMD_NAME(STA_HE_CTXT_CMD), 636 HCMD_NAME(RLC_CONFIG_CMD), 637 HCMD_NAME(RFH_QUEUE_CONFIG_CMD), 638 HCMD_NAME(TLC_MNG_CONFIG_CMD), 639 HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD), 640 HCMD_NAME(SCD_QUEUE_CONFIG_CMD), 641 HCMD_NAME(SEC_KEY_CMD), 642 HCMD_NAME(ESR_MODE_NOTIF), 643 HCMD_NAME(MONITOR_NOTIF), 644 HCMD_NAME(THERMAL_DUAL_CHAIN_REQUEST), 645 HCMD_NAME(STA_PM_NOTIF), 646 HCMD_NAME(MU_GROUP_MGMT_NOTIF), 647 HCMD_NAME(RX_QUEUES_NOTIFICATION), 648 }; 649 650 /* Please keep this array *SORTED* by hex value. 651 * Access is done through binary search 652 */ 653 static const struct iwl_hcmd_names iwl_mvm_statistics_names[] = { 654 HCMD_NAME(STATISTICS_OPER_NOTIF), 655 HCMD_NAME(STATISTICS_OPER_PART1_NOTIF), 656 }; 657 658 /* Please keep this array *SORTED* by hex value. 659 * Access is done through binary search 660 */ 661 static const struct iwl_hcmd_names iwl_mvm_debug_names[] = { 662 HCMD_NAME(LMAC_RD_WR), 663 HCMD_NAME(UMAC_RD_WR), 664 HCMD_NAME(HOST_EVENT_CFG), 665 HCMD_NAME(DBGC_SUSPEND_RESUME), 666 HCMD_NAME(BUFFER_ALLOCATION), 667 HCMD_NAME(GET_TAS_STATUS), 668 HCMD_NAME(FW_DUMP_COMPLETE_CMD), 669 HCMD_NAME(FW_CLEAR_BUFFER), 670 HCMD_NAME(MFU_ASSERT_DUMP_NTF), 671 }; 672 673 /* Please keep this array *SORTED* by hex value. 674 * Access is done through binary search 675 */ 676 static const struct iwl_hcmd_names iwl_mvm_scan_names[] = { 677 HCMD_NAME(CHANNEL_SURVEY_NOTIF), 678 HCMD_NAME(OFFLOAD_MATCH_INFO_NOTIF), 679 }; 680 681 /* Please keep this array *SORTED* by hex value. 682 * Access is done through binary search 683 */ 684 static const struct iwl_hcmd_names iwl_mvm_location_names[] = { 685 HCMD_NAME(TOF_RANGE_REQ_CMD), 686 HCMD_NAME(TOF_CONFIG_CMD), 687 HCMD_NAME(TOF_RANGE_ABORT_CMD), 688 HCMD_NAME(TOF_RANGE_REQ_EXT_CMD), 689 HCMD_NAME(TOF_RESPONDER_CONFIG_CMD), 690 HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD), 691 HCMD_NAME(TOF_LC_NOTIF), 692 HCMD_NAME(TOF_RESPONDER_STATS), 693 HCMD_NAME(TOF_MCSI_DEBUG_NOTIF), 694 HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF), 695 }; 696 697 /* Please keep this array *SORTED* by hex value. 698 * Access is done through binary search 699 */ 700 static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = { 701 HCMD_NAME(WOWLAN_WAKE_PKT_NOTIFICATION), 702 HCMD_NAME(WOWLAN_INFO_NOTIFICATION), 703 HCMD_NAME(D3_END_NOTIFICATION), 704 HCMD_NAME(STORED_BEACON_NTF), 705 }; 706 707 /* Please keep this array *SORTED* by hex value. 708 * Access is done through binary search 709 */ 710 static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = { 711 HCMD_NAME(NVM_ACCESS_COMPLETE), 712 HCMD_NAME(NVM_GET_INFO), 713 HCMD_NAME(TAS_CONFIG), 714 }; 715 716 static const struct iwl_hcmd_arr iwl_mvm_groups[] = { 717 [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), 718 [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), 719 [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names), 720 [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names), 721 [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names), 722 [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names), 723 [SCAN_GROUP] = HCMD_ARR(iwl_mvm_scan_names), 724 [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names), 725 [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names), 726 [REGULATORY_AND_NVM_GROUP] = 727 HCMD_ARR(iwl_mvm_regulatory_and_nvm_names), 728 [DEBUG_GROUP] = HCMD_ARR(iwl_mvm_debug_names), 729 [STATISTICS_GROUP] = HCMD_ARR(iwl_mvm_statistics_names), 730 }; 731 732 /* this forward declaration can avoid to export the function */ 733 static void iwl_mvm_async_handlers_wk(struct work_struct *wk); 734 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy, 735 struct wiphy_work *work); 736 737 static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm) 738 { 739 const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs; 740 u64 dflt_pwr_limit; 741 742 if (!backoff) 743 return 0; 744 745 iwl_bios_get_pwr_limit(&mvm->fwrt, &dflt_pwr_limit); 746 747 while (backoff->pwr) { 748 if (dflt_pwr_limit >= backoff->pwr) 749 return backoff->backoff; 750 751 backoff++; 752 } 753 754 return 0; 755 } 756 757 static void iwl_mvm_tx_unblock_dwork(struct work_struct *work) 758 { 759 struct iwl_mvm *mvm = 760 container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work); 761 struct ieee80211_vif *tx_blocked_vif; 762 struct iwl_mvm_vif *mvmvif; 763 764 guard(mvm)(mvm); 765 766 tx_blocked_vif = 767 rcu_dereference_protected(mvm->csa_tx_blocked_vif, 768 lockdep_is_held(&mvm->mutex)); 769 770 if (!tx_blocked_vif) 771 return; 772 773 mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif); 774 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false); 775 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 776 } 777 778 static void iwl_mvm_fwrt_dump_start(void *ctx) 779 { 780 struct iwl_mvm *mvm = ctx; 781 782 mutex_lock(&mvm->mutex); 783 } 784 785 static void iwl_mvm_fwrt_dump_end(void *ctx) 786 { 787 struct iwl_mvm *mvm = ctx; 788 789 mutex_unlock(&mvm->mutex); 790 } 791 792 static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd) 793 { 794 struct iwl_mvm *mvm = (struct iwl_mvm *)ctx; 795 796 guard(mvm)(mvm); 797 return iwl_mvm_send_cmd(mvm, host_cmd); 798 } 799 800 static bool iwl_mvm_d3_debug_enable(void *ctx) 801 { 802 return IWL_MVM_D3_DEBUG; 803 } 804 805 static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = { 806 .dump_start = iwl_mvm_fwrt_dump_start, 807 .dump_end = iwl_mvm_fwrt_dump_end, 808 .send_hcmd = iwl_mvm_fwrt_send_hcmd, 809 .d3_debug_enable = iwl_mvm_d3_debug_enable, 810 }; 811 812 static int iwl_mvm_start_get_nvm(struct iwl_mvm *mvm) 813 { 814 struct iwl_trans *trans = mvm->trans; 815 int ret; 816 817 if (trans->csme_own) { 818 if (WARN(!mvm->mei_registered, 819 "csme is owner, but we aren't registered to iwlmei\n")) 820 goto get_nvm_from_fw; 821 822 mvm->mei_nvm_data = iwl_mei_get_nvm(); 823 if (mvm->mei_nvm_data) { 824 /* 825 * mvm->mei_nvm_data is set and because of that, 826 * we'll load the NVM from the FW when we'll get 827 * ownership. 828 */ 829 mvm->nvm_data = 830 iwl_parse_mei_nvm_data(trans, trans->cfg, 831 mvm->mei_nvm_data, 832 mvm->fw, 833 mvm->set_tx_ant, 834 mvm->set_rx_ant); 835 return 0; 836 } 837 838 IWL_ERR(mvm, 839 "Got a NULL NVM from CSME, trying to get it from the device\n"); 840 } 841 842 get_nvm_from_fw: 843 rtnl_lock(); 844 wiphy_lock(mvm->hw->wiphy); 845 mutex_lock(&mvm->mutex); 846 847 ret = iwl_trans_start_hw(mvm->trans); 848 if (ret) { 849 mutex_unlock(&mvm->mutex); 850 wiphy_unlock(mvm->hw->wiphy); 851 rtnl_unlock(); 852 return ret; 853 } 854 855 ret = iwl_run_init_mvm_ucode(mvm); 856 if (ret && ret != -ERFKILL) 857 iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER); 858 if (!ret && iwl_mvm_is_lar_supported(mvm)) { 859 mvm->hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 860 ret = iwl_mvm_init_mcc(mvm); 861 } 862 863 iwl_mvm_stop_device(mvm); 864 865 mutex_unlock(&mvm->mutex); 866 wiphy_unlock(mvm->hw->wiphy); 867 rtnl_unlock(); 868 869 if (ret) 870 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret); 871 872 /* no longer need this regardless of failure or not */ 873 mvm->fw_product_reset = false; 874 875 return ret; 876 } 877 878 static int iwl_mvm_start_post_nvm(struct iwl_mvm *mvm) 879 { 880 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused; 881 int ret; 882 883 iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx); 884 885 ret = iwl_mvm_mac_setup_register(mvm); 886 if (ret) 887 return ret; 888 889 mvm->hw_registered = true; 890 891 iwl_mvm_dbgfs_register(mvm); 892 893 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy, 894 mvm->mei_rfkill_blocked, 895 RFKILL_HARD_BLOCK_NOT_OWNER); 896 897 iwl_mvm_mei_set_sw_rfkill_state(mvm); 898 899 return 0; 900 } 901 902 struct iwl_mvm_frob_txf_data { 903 u8 *buf; 904 size_t buflen; 905 }; 906 907 static void iwl_mvm_frob_txf_key_iter(struct ieee80211_hw *hw, 908 struct ieee80211_vif *vif, 909 struct ieee80211_sta *sta, 910 struct ieee80211_key_conf *key, 911 void *data) 912 { 913 struct iwl_mvm_frob_txf_data *txf = data; 914 u8 keylen, match, matchend; 915 u8 *keydata; 916 size_t i; 917 918 switch (key->cipher) { 919 case WLAN_CIPHER_SUITE_CCMP: 920 keydata = key->key; 921 keylen = key->keylen; 922 break; 923 case WLAN_CIPHER_SUITE_WEP40: 924 case WLAN_CIPHER_SUITE_WEP104: 925 case WLAN_CIPHER_SUITE_TKIP: 926 /* 927 * WEP has short keys which might show up in the payload, 928 * and then you can deduce the key, so in this case just 929 * remove all FIFO data. 930 * For TKIP, we don't know the phase 2 keys here, so same. 931 */ 932 memset(txf->buf, 0xBB, txf->buflen); 933 return; 934 default: 935 return; 936 } 937 938 /* scan for key material and clear it out */ 939 match = 0; 940 for (i = 0; i < txf->buflen; i++) { 941 if (txf->buf[i] != keydata[match]) { 942 match = 0; 943 continue; 944 } 945 match++; 946 if (match == keylen) { 947 memset(txf->buf + i - keylen, 0xAA, keylen); 948 match = 0; 949 } 950 } 951 952 /* we're dealing with a FIFO, so check wrapped around data */ 953 matchend = match; 954 for (i = 0; match && i < keylen - match; i++) { 955 if (txf->buf[i] != keydata[match]) 956 break; 957 match++; 958 if (match == keylen) { 959 memset(txf->buf, 0xAA, i + 1); 960 memset(txf->buf + txf->buflen - matchend, 0xAA, 961 matchend); 962 break; 963 } 964 } 965 } 966 967 static void iwl_mvm_frob_txf(void *ctx, void *buf, size_t buflen) 968 { 969 struct iwl_mvm_frob_txf_data txf = { 970 .buf = buf, 971 .buflen = buflen, 972 }; 973 struct iwl_mvm *mvm = ctx; 974 975 /* embedded key material exists only on old API */ 976 if (iwl_mvm_has_new_tx_api(mvm)) 977 return; 978 979 rcu_read_lock(); 980 ieee80211_iter_keys_rcu(mvm->hw, NULL, iwl_mvm_frob_txf_key_iter, &txf); 981 rcu_read_unlock(); 982 } 983 984 static void iwl_mvm_frob_hcmd(void *ctx, void *hcmd, size_t len) 985 { 986 /* we only use wide headers for commands */ 987 struct iwl_cmd_header_wide *hdr = hcmd; 988 unsigned int frob_start = sizeof(*hdr), frob_end = 0; 989 990 if (len < sizeof(hdr)) 991 return; 992 993 /* all the commands we care about are in LONG_GROUP */ 994 if (hdr->group_id != LONG_GROUP) 995 return; 996 997 switch (hdr->cmd) { 998 case WEP_KEY: 999 case WOWLAN_TKIP_PARAM: 1000 case WOWLAN_KEK_KCK_MATERIAL: 1001 case ADD_STA_KEY: 1002 /* 1003 * blank out everything here, easier than dealing 1004 * with the various versions of the command 1005 */ 1006 frob_end = INT_MAX; 1007 break; 1008 case MGMT_MCAST_KEY: 1009 frob_start = offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk); 1010 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) != 1011 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk)); 1012 1013 frob_end = offsetofend(struct iwl_mvm_mgmt_mcast_key_cmd, igtk); 1014 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) < 1015 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk)); 1016 break; 1017 } 1018 1019 if (frob_start >= frob_end) 1020 return; 1021 1022 if (frob_end > len) 1023 frob_end = len; 1024 1025 memset((u8 *)hcmd + frob_start, 0xAA, frob_end - frob_start); 1026 } 1027 1028 static void iwl_mvm_frob_mem(void *ctx, u32 mem_addr, void *mem, size_t buflen) 1029 { 1030 const struct iwl_dump_exclude *excl; 1031 struct iwl_mvm *mvm = ctx; 1032 int i; 1033 1034 switch (mvm->fwrt.cur_fw_img) { 1035 case IWL_UCODE_INIT: 1036 default: 1037 /* not relevant */ 1038 return; 1039 case IWL_UCODE_REGULAR: 1040 case IWL_UCODE_REGULAR_USNIFFER: 1041 excl = mvm->fw->dump_excl; 1042 break; 1043 case IWL_UCODE_WOWLAN: 1044 excl = mvm->fw->dump_excl_wowlan; 1045 break; 1046 } 1047 1048 BUILD_BUG_ON(sizeof(mvm->fw->dump_excl) != 1049 sizeof(mvm->fw->dump_excl_wowlan)); 1050 1051 for (i = 0; i < ARRAY_SIZE(mvm->fw->dump_excl); i++) { 1052 u32 start, end; 1053 1054 if (!excl[i].addr || !excl[i].size) 1055 continue; 1056 1057 start = excl[i].addr; 1058 end = start + excl[i].size; 1059 1060 if (end <= mem_addr || start >= mem_addr + buflen) 1061 continue; 1062 1063 if (start < mem_addr) 1064 start = mem_addr; 1065 1066 if (end > mem_addr + buflen) 1067 end = mem_addr + buflen; 1068 1069 memset((u8 *)mem + start - mem_addr, 0xAA, end - start); 1070 } 1071 } 1072 1073 static const struct iwl_dump_sanitize_ops iwl_mvm_sanitize_ops = { 1074 .frob_txf = iwl_mvm_frob_txf, 1075 .frob_hcmd = iwl_mvm_frob_hcmd, 1076 .frob_mem = iwl_mvm_frob_mem, 1077 }; 1078 1079 static void iwl_mvm_me_conn_status(void *priv, const struct iwl_mei_conn_info *conn_info) 1080 { 1081 struct iwl_mvm *mvm = priv; 1082 struct iwl_mvm_csme_conn_info *prev_conn_info, *curr_conn_info; 1083 1084 /* 1085 * This is protected by the guarantee that this function will not be 1086 * called twice on two different threads 1087 */ 1088 prev_conn_info = rcu_dereference_protected(mvm->csme_conn_info, true); 1089 1090 curr_conn_info = kzalloc(sizeof(*curr_conn_info), GFP_KERNEL); 1091 if (!curr_conn_info) 1092 return; 1093 1094 curr_conn_info->conn_info = *conn_info; 1095 1096 rcu_assign_pointer(mvm->csme_conn_info, curr_conn_info); 1097 1098 if (prev_conn_info) 1099 kfree_rcu(prev_conn_info, rcu_head); 1100 } 1101 1102 static void iwl_mvm_mei_rfkill(void *priv, bool blocked, 1103 bool csme_taking_ownership) 1104 { 1105 struct iwl_mvm *mvm = priv; 1106 1107 if (blocked && !csme_taking_ownership) 1108 return; 1109 1110 mvm->mei_rfkill_blocked = blocked; 1111 if (!mvm->hw_registered) 1112 return; 1113 1114 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy, 1115 mvm->mei_rfkill_blocked, 1116 RFKILL_HARD_BLOCK_NOT_OWNER); 1117 } 1118 1119 static void iwl_mvm_mei_roaming_forbidden(void *priv, bool forbidden) 1120 { 1121 struct iwl_mvm *mvm = priv; 1122 1123 if (!mvm->hw_registered || !mvm->csme_vif) 1124 return; 1125 1126 iwl_mvm_send_roaming_forbidden_event(mvm, mvm->csme_vif, forbidden); 1127 } 1128 1129 static void iwl_mvm_sap_connected_wk(struct work_struct *wk) 1130 { 1131 struct iwl_mvm *mvm = 1132 container_of(wk, struct iwl_mvm, sap_connected_wk); 1133 int ret; 1134 1135 ret = iwl_mvm_start_get_nvm(mvm); 1136 if (ret) 1137 goto out_free; 1138 1139 ret = iwl_mvm_start_post_nvm(mvm); 1140 if (ret) 1141 goto out_free; 1142 1143 return; 1144 1145 out_free: 1146 IWL_ERR(mvm, "Couldn't get started...\n"); 1147 iwl_mei_start_unregister(); 1148 iwl_mei_unregister_complete(); 1149 iwl_fw_flush_dumps(&mvm->fwrt); 1150 iwl_mvm_thermal_exit(mvm); 1151 iwl_fw_runtime_free(&mvm->fwrt); 1152 iwl_phy_db_free(mvm->phy_db); 1153 kfree(mvm->scan_cmd); 1154 iwl_trans_op_mode_leave(mvm->trans); 1155 kfree(mvm->nvm_data); 1156 kfree(mvm->mei_nvm_data); 1157 1158 ieee80211_free_hw(mvm->hw); 1159 } 1160 1161 static void iwl_mvm_mei_sap_connected(void *priv) 1162 { 1163 struct iwl_mvm *mvm = priv; 1164 1165 if (!mvm->hw_registered) 1166 schedule_work(&mvm->sap_connected_wk); 1167 } 1168 1169 static void iwl_mvm_mei_nic_stolen(void *priv) 1170 { 1171 struct iwl_mvm *mvm = priv; 1172 1173 rtnl_lock(); 1174 cfg80211_shutdown_all_interfaces(mvm->hw->wiphy); 1175 rtnl_unlock(); 1176 } 1177 1178 static const struct iwl_mei_ops mei_ops = { 1179 .me_conn_status = iwl_mvm_me_conn_status, 1180 .rfkill = iwl_mvm_mei_rfkill, 1181 .roaming_forbidden = iwl_mvm_mei_roaming_forbidden, 1182 .sap_connected = iwl_mvm_mei_sap_connected, 1183 .nic_stolen = iwl_mvm_mei_nic_stolen, 1184 }; 1185 1186 static void iwl_mvm_find_link_selection_vif(void *_data, u8 *mac, 1187 struct ieee80211_vif *vif) 1188 { 1189 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1190 1191 if (ieee80211_vif_is_mld(vif) && mvmvif->authorized) 1192 iwl_mvm_select_links(mvmvif->mvm, vif); 1193 } 1194 1195 static void iwl_mvm_trig_link_selection(struct wiphy *wiphy, 1196 struct wiphy_work *wk) 1197 { 1198 struct iwl_mvm *mvm = 1199 container_of(wk, struct iwl_mvm, trig_link_selection_wk); 1200 1201 ieee80211_iterate_active_interfaces(mvm->hw, 1202 IEEE80211_IFACE_ITER_NORMAL, 1203 iwl_mvm_find_link_selection_vif, 1204 NULL); 1205 } 1206 1207 static struct iwl_op_mode * 1208 iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, 1209 const struct iwl_fw *fw, struct dentry *dbgfs_dir) 1210 { 1211 struct ieee80211_hw *hw; 1212 struct iwl_op_mode *op_mode; 1213 struct iwl_mvm *mvm; 1214 struct iwl_trans_config trans_cfg = {}; 1215 static const u8 no_reclaim_cmds[] = { 1216 TX_CMD, 1217 }; 1218 u32 max_agg; 1219 size_t scan_size; 1220 u32 min_backoff; 1221 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused; 1222 1223 /* 1224 * We use IWL_MVM_STATION_COUNT_MAX to check the validity of the station 1225 * index all over the driver - check that its value corresponds to the 1226 * array size. 1227 */ 1228 BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != 1229 IWL_MVM_STATION_COUNT_MAX); 1230 1231 /******************************** 1232 * 1. Allocating and configuring HW data 1233 ********************************/ 1234 hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) + 1235 sizeof(struct iwl_mvm), 1236 iwl_mvm_has_mld_api(fw) ? &iwl_mvm_mld_hw_ops : 1237 &iwl_mvm_hw_ops); 1238 if (!hw) 1239 return NULL; 1240 1241 if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) 1242 max_agg = 512; 1243 else 1244 max_agg = IEEE80211_MAX_AMPDU_BUF_HE; 1245 1246 hw->max_rx_aggregation_subframes = max_agg; 1247 1248 if (cfg->max_tx_agg_size) 1249 hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size; 1250 else 1251 hw->max_tx_aggregation_subframes = max_agg; 1252 1253 op_mode = hw->priv; 1254 1255 mvm = IWL_OP_MODE_GET_MVM(op_mode); 1256 mvm->dev = trans->dev; 1257 mvm->trans = trans; 1258 mvm->cfg = cfg; 1259 mvm->fw = fw; 1260 mvm->hw = hw; 1261 1262 iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm, 1263 &iwl_mvm_sanitize_ops, mvm, dbgfs_dir); 1264 1265 iwl_mvm_get_bios_tables(mvm); 1266 iwl_uefi_get_sgom_table(trans, &mvm->fwrt); 1267 iwl_uefi_get_step_table(trans); 1268 1269 mvm->init_status = 0; 1270 1271 if (iwl_mvm_has_new_rx_api(mvm)) { 1272 op_mode->ops = &iwl_mvm_ops_mq; 1273 trans->rx_mpdu_cmd_hdr_size = 1274 (trans->trans_cfg->device_family >= 1275 IWL_DEVICE_FAMILY_AX210) ? 1276 sizeof(struct iwl_rx_mpdu_desc) : 1277 IWL_RX_DESC_SIZE_V1; 1278 } else { 1279 op_mode->ops = &iwl_mvm_ops; 1280 trans->rx_mpdu_cmd_hdr_size = 1281 sizeof(struct iwl_rx_mpdu_res_start); 1282 1283 if (WARN_ON(trans->num_rx_queues > 1)) 1284 goto out_free; 1285 } 1286 1287 mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0; 1288 1289 if (iwl_mvm_has_new_tx_api(mvm)) { 1290 /* 1291 * If we have the new TX/queue allocation API initialize them 1292 * all to invalid numbers. We'll rewrite the ones that we need 1293 * later, but that doesn't happen for all of them all of the 1294 * time (e.g. P2P Device is optional), and if a dynamic queue 1295 * ends up getting number 2 (IWL_MVM_DQA_P2P_DEVICE_QUEUE) then 1296 * iwl_mvm_is_static_queue() erroneously returns true, and we 1297 * might have things getting stuck. 1298 */ 1299 mvm->aux_queue = IWL_MVM_INVALID_QUEUE; 1300 mvm->snif_queue = IWL_MVM_INVALID_QUEUE; 1301 mvm->probe_queue = IWL_MVM_INVALID_QUEUE; 1302 mvm->p2p_dev_queue = IWL_MVM_INVALID_QUEUE; 1303 } else { 1304 mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE; 1305 mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE; 1306 mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE; 1307 mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE; 1308 } 1309 1310 mvm->sf_state = SF_UNINIT; 1311 if (iwl_mvm_has_unified_ucode(mvm)) 1312 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR); 1313 else 1314 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT); 1315 mvm->drop_bcn_ap_mode = true; 1316 1317 mutex_init(&mvm->mutex); 1318 spin_lock_init(&mvm->async_handlers_lock); 1319 INIT_LIST_HEAD(&mvm->time_event_list); 1320 INIT_LIST_HEAD(&mvm->aux_roc_te_list); 1321 INIT_LIST_HEAD(&mvm->async_handlers_list); 1322 spin_lock_init(&mvm->time_event_lock); 1323 INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list); 1324 INIT_LIST_HEAD(&mvm->ftm_initiator.pasn_list); 1325 INIT_LIST_HEAD(&mvm->resp_pasn_list); 1326 1327 INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); 1328 INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); 1329 INIT_WORK(&mvm->sap_connected_wk, iwl_mvm_sap_connected_wk); 1330 INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work); 1331 INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk); 1332 INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk); 1333 INIT_LIST_HEAD(&mvm->add_stream_txqs); 1334 spin_lock_init(&mvm->add_stream_lock); 1335 1336 wiphy_work_init(&mvm->async_handlers_wiphy_wk, 1337 iwl_mvm_async_handlers_wiphy_wk); 1338 1339 wiphy_work_init(&mvm->trig_link_selection_wk, 1340 iwl_mvm_trig_link_selection); 1341 1342 init_waitqueue_head(&mvm->rx_sync_waitq); 1343 1344 mvm->queue_sync_state = 0; 1345 1346 SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev); 1347 1348 spin_lock_init(&mvm->tcm.lock); 1349 INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work); 1350 mvm->tcm.ts = jiffies; 1351 mvm->tcm.ll_ts = jiffies; 1352 mvm->tcm.uapsd_nonagg_ts = jiffies; 1353 1354 INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork); 1355 1356 mvm->cmd_ver.range_resp = 1357 iwl_fw_lookup_notif_ver(mvm->fw, LOCATION_GROUP, 1358 TOF_RANGE_RESPONSE_NOTIF, 5); 1359 /* we only support up to version 9 */ 1360 if (WARN_ON_ONCE(mvm->cmd_ver.range_resp > 9)) 1361 goto out_free; 1362 1363 /* 1364 * Populate the state variables that the transport layer needs 1365 * to know about. 1366 */ 1367 trans_cfg.op_mode = op_mode; 1368 trans_cfg.no_reclaim_cmds = no_reclaim_cmds; 1369 trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); 1370 1371 trans_cfg.rx_buf_size = iwl_amsdu_size_to_rxb_size(); 1372 1373 trans->wide_cmd_header = true; 1374 trans_cfg.bc_table_dword = 1375 mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210; 1376 1377 trans_cfg.command_groups = iwl_mvm_groups; 1378 trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups); 1379 1380 trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE; 1381 trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD; 1382 trans_cfg.scd_set_active = true; 1383 1384 trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info, 1385 driver_data[2]); 1386 1387 /* Set a short watchdog for the command queue */ 1388 trans_cfg.cmd_q_wdg_timeout = 1389 iwl_mvm_get_wd_timeout(mvm, NULL, false, true); 1390 1391 snprintf(mvm->hw->wiphy->fw_version, 1392 sizeof(mvm->hw->wiphy->fw_version), 1393 "%.31s", fw->fw_version); 1394 1395 trans_cfg.fw_reset_handshake = fw_has_capa(&mvm->fw->ucode_capa, 1396 IWL_UCODE_TLV_CAPA_FW_RESET_HANDSHAKE); 1397 1398 trans_cfg.queue_alloc_cmd_ver = 1399 iwl_fw_lookup_cmd_ver(mvm->fw, 1400 WIDE_ID(DATA_PATH_GROUP, 1401 SCD_QUEUE_CONFIG_CMD), 1402 0); 1403 mvm->sta_remove_requires_queue_remove = 1404 trans_cfg.queue_alloc_cmd_ver > 0; 1405 1406 mvm->mld_api_is_used = iwl_mvm_has_mld_api(mvm->fw); 1407 1408 /* Configure transport layer */ 1409 iwl_trans_configure(mvm->trans, &trans_cfg); 1410 1411 trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD; 1412 trans->dbg.dest_tlv = mvm->fw->dbg.dest_tlv; 1413 trans->dbg.n_dest_reg = mvm->fw->dbg.n_dest_reg; 1414 memcpy(trans->dbg.conf_tlv, mvm->fw->dbg.conf_tlv, 1415 sizeof(trans->dbg.conf_tlv)); 1416 trans->dbg.trigger_tlv = mvm->fw->dbg.trigger_tlv; 1417 1418 trans->iml = mvm->fw->iml; 1419 trans->iml_len = mvm->fw->iml_len; 1420 1421 /* set up notification wait support */ 1422 iwl_notification_wait_init(&mvm->notif_wait); 1423 1424 /* Init phy db */ 1425 mvm->phy_db = iwl_phy_db_init(trans); 1426 if (!mvm->phy_db) { 1427 IWL_ERR(mvm, "Cannot init phy_db\n"); 1428 goto out_free; 1429 } 1430 1431 if (iwlwifi_mod_params.nvm_file) 1432 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file; 1433 else 1434 IWL_DEBUG_EEPROM(mvm->trans->dev, 1435 "working without external nvm file\n"); 1436 1437 scan_size = iwl_mvm_scan_size(mvm); 1438 1439 mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL); 1440 if (!mvm->scan_cmd) 1441 goto out_free; 1442 mvm->scan_cmd_size = scan_size; 1443 1444 /* invalidate ids to prevent accidental removal of sta_id 0 */ 1445 mvm->aux_sta.sta_id = IWL_MVM_INVALID_STA; 1446 mvm->snif_sta.sta_id = IWL_MVM_INVALID_STA; 1447 1448 /* Set EBS as successful as long as not stated otherwise by the FW. */ 1449 mvm->last_ebs_successful = true; 1450 1451 min_backoff = iwl_mvm_min_backoff(mvm); 1452 iwl_mvm_thermal_initialize(mvm, min_backoff); 1453 1454 if (!iwl_mvm_has_new_rx_stats_api(mvm)) 1455 memset(&mvm->rx_stats_v3, 0, 1456 sizeof(struct mvm_statistics_rx_v3)); 1457 else 1458 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx)); 1459 1460 iwl_mvm_ftm_initiator_smooth_config(mvm); 1461 1462 iwl_mvm_init_time_sync(&mvm->time_sync); 1463 1464 mvm->debugfs_dir = dbgfs_dir; 1465 1466 mvm->mei_registered = !iwl_mei_register(mvm, &mei_ops); 1467 1468 iwl_mvm_mei_scan_filter_init(&mvm->mei_scan_filter); 1469 1470 if (iwl_mvm_start_get_nvm(mvm)) { 1471 /* 1472 * Getting NVM failed while CSME is the owner, but we are 1473 * registered to MEI, we'll get the NVM later when it'll be 1474 * possible to get it from CSME. 1475 */ 1476 if (trans->csme_own && mvm->mei_registered) 1477 return op_mode; 1478 1479 goto out_thermal_exit; 1480 } 1481 1482 1483 if (iwl_mvm_start_post_nvm(mvm)) 1484 goto out_thermal_exit; 1485 1486 return op_mode; 1487 1488 out_thermal_exit: 1489 iwl_mvm_thermal_exit(mvm); 1490 if (mvm->mei_registered) { 1491 iwl_mei_start_unregister(); 1492 iwl_mei_unregister_complete(); 1493 } 1494 out_free: 1495 iwl_fw_flush_dumps(&mvm->fwrt); 1496 iwl_fw_runtime_free(&mvm->fwrt); 1497 1498 iwl_phy_db_free(mvm->phy_db); 1499 kfree(mvm->scan_cmd); 1500 iwl_trans_op_mode_leave(trans); 1501 1502 ieee80211_free_hw(mvm->hw); 1503 return NULL; 1504 } 1505 1506 void iwl_mvm_stop_device(struct iwl_mvm *mvm) 1507 { 1508 lockdep_assert_held(&mvm->mutex); 1509 1510 iwl_fw_cancel_timestamp(&mvm->fwrt); 1511 1512 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1513 1514 iwl_fw_dbg_stop_sync(&mvm->fwrt); 1515 iwl_trans_stop_device(mvm->trans); 1516 iwl_free_fw_paging(&mvm->fwrt); 1517 iwl_fw_dump_conf_clear(&mvm->fwrt); 1518 iwl_mvm_mei_device_state(mvm, false); 1519 } 1520 1521 static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) 1522 { 1523 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1524 int i; 1525 1526 if (mvm->mei_registered) { 1527 rtnl_lock(); 1528 iwl_mei_set_netdev(NULL); 1529 rtnl_unlock(); 1530 iwl_mei_start_unregister(); 1531 } 1532 1533 /* 1534 * After we unregister from mei, the worker can't be scheduled 1535 * anymore. 1536 */ 1537 cancel_work_sync(&mvm->sap_connected_wk); 1538 1539 iwl_mvm_leds_exit(mvm); 1540 1541 iwl_mvm_thermal_exit(mvm); 1542 1543 /* 1544 * If we couldn't get ownership on the device and we couldn't 1545 * get the NVM from CSME, we haven't registered to mac80211. 1546 * In that case, we didn't fail op_mode_start, because we are 1547 * waiting for CSME to allow us to get the NVM to register to 1548 * mac80211. If that didn't happen, we haven't registered to 1549 * mac80211, hence the if below. 1550 */ 1551 if (mvm->hw_registered) 1552 ieee80211_unregister_hw(mvm->hw); 1553 1554 kfree(mvm->scan_cmd); 1555 kfree(mvm->mcast_filter_cmd); 1556 mvm->mcast_filter_cmd = NULL; 1557 1558 kfree(mvm->error_recovery_buf); 1559 mvm->error_recovery_buf = NULL; 1560 1561 iwl_mvm_ptp_remove(mvm); 1562 1563 iwl_trans_op_mode_leave(mvm->trans); 1564 1565 iwl_phy_db_free(mvm->phy_db); 1566 mvm->phy_db = NULL; 1567 1568 kfree(mvm->nvm_data); 1569 kfree(mvm->mei_nvm_data); 1570 kfree(rcu_access_pointer(mvm->csme_conn_info)); 1571 kfree(mvm->temp_nvm_data); 1572 for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++) 1573 kfree(mvm->nvm_sections[i].data); 1574 kfree(mvm->acs_survey); 1575 1576 cancel_delayed_work_sync(&mvm->tcm.work); 1577 1578 iwl_fw_runtime_free(&mvm->fwrt); 1579 mutex_destroy(&mvm->mutex); 1580 1581 if (mvm->mei_registered) 1582 iwl_mei_unregister_complete(); 1583 1584 ieee80211_free_hw(mvm->hw); 1585 } 1586 1587 struct iwl_async_handler_entry { 1588 struct list_head list; 1589 struct iwl_rx_cmd_buffer rxb; 1590 enum iwl_rx_handler_context context; 1591 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1592 }; 1593 1594 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm) 1595 { 1596 struct iwl_async_handler_entry *entry, *tmp; 1597 1598 spin_lock_bh(&mvm->async_handlers_lock); 1599 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { 1600 iwl_free_rxb(&entry->rxb); 1601 list_del(&entry->list); 1602 kfree(entry); 1603 } 1604 spin_unlock_bh(&mvm->async_handlers_lock); 1605 } 1606 1607 /* 1608 * This function receives a bitmap of rx async handler contexts 1609 * (&iwl_rx_handler_context) to handle, and runs only them 1610 */ 1611 static void iwl_mvm_async_handlers_by_context(struct iwl_mvm *mvm, 1612 u8 contexts) 1613 { 1614 struct iwl_async_handler_entry *entry, *tmp; 1615 LIST_HEAD(local_list); 1616 1617 /* 1618 * Sync with Rx path with a lock. Remove all the entries of the 1619 * wanted contexts from this list, add them to a local one (lock free), 1620 * and then handle them. 1621 */ 1622 spin_lock_bh(&mvm->async_handlers_lock); 1623 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { 1624 if (!(BIT(entry->context) & contexts)) 1625 continue; 1626 list_del(&entry->list); 1627 list_add_tail(&entry->list, &local_list); 1628 } 1629 spin_unlock_bh(&mvm->async_handlers_lock); 1630 1631 list_for_each_entry_safe(entry, tmp, &local_list, list) { 1632 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED) 1633 mutex_lock(&mvm->mutex); 1634 entry->fn(mvm, &entry->rxb); 1635 iwl_free_rxb(&entry->rxb); 1636 list_del(&entry->list); 1637 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED) 1638 mutex_unlock(&mvm->mutex); 1639 kfree(entry); 1640 } 1641 } 1642 1643 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy, 1644 struct wiphy_work *wk) 1645 { 1646 struct iwl_mvm *mvm = 1647 container_of(wk, struct iwl_mvm, async_handlers_wiphy_wk); 1648 u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED_WIPHY); 1649 1650 iwl_mvm_async_handlers_by_context(mvm, contexts); 1651 } 1652 1653 static void iwl_mvm_async_handlers_wk(struct work_struct *wk) 1654 { 1655 struct iwl_mvm *mvm = 1656 container_of(wk, struct iwl_mvm, async_handlers_wk); 1657 u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED) | 1658 BIT(RX_HANDLER_ASYNC_UNLOCKED); 1659 1660 iwl_mvm_async_handlers_by_context(mvm, contexts); 1661 } 1662 1663 static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm, 1664 struct iwl_rx_packet *pkt) 1665 { 1666 struct iwl_fw_dbg_trigger_tlv *trig; 1667 struct iwl_fw_dbg_trigger_cmd *cmds_trig; 1668 int i; 1669 1670 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL, 1671 FW_DBG_TRIGGER_FW_NOTIF); 1672 if (!trig) 1673 return; 1674 1675 cmds_trig = (void *)trig->data; 1676 1677 for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) { 1678 /* don't collect on CMD 0 */ 1679 if (!cmds_trig->cmds[i].cmd_id) 1680 break; 1681 1682 if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd || 1683 cmds_trig->cmds[i].group_id != pkt->hdr.group_id) 1684 continue; 1685 1686 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 1687 "CMD 0x%02x.%02x received", 1688 pkt->hdr.group_id, pkt->hdr.cmd); 1689 break; 1690 } 1691 } 1692 1693 static void iwl_mvm_rx_common(struct iwl_mvm *mvm, 1694 struct iwl_rx_cmd_buffer *rxb, 1695 struct iwl_rx_packet *pkt) 1696 { 1697 unsigned int pkt_len = iwl_rx_packet_payload_len(pkt); 1698 int i; 1699 union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt }; 1700 1701 iwl_dbg_tlv_time_point(&mvm->fwrt, 1702 IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data); 1703 iwl_mvm_rx_check_trigger(mvm, pkt); 1704 1705 /* 1706 * Do the notification wait before RX handlers so 1707 * even if the RX handler consumes the RXB we have 1708 * access to it in the notification wait entry. 1709 */ 1710 iwl_notification_wait_notify(&mvm->notif_wait, pkt); 1711 1712 for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) { 1713 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i]; 1714 struct iwl_async_handler_entry *entry; 1715 1716 if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd)) 1717 continue; 1718 1719 if (IWL_FW_CHECK(mvm, pkt_len < rx_h->min_size, 1720 "unexpected notification 0x%04x size %d, need %d\n", 1721 rx_h->cmd_id, pkt_len, rx_h->min_size)) 1722 return; 1723 1724 if (rx_h->context == RX_HANDLER_SYNC) { 1725 rx_h->fn(mvm, rxb); 1726 return; 1727 } 1728 1729 entry = kzalloc(sizeof(*entry), GFP_ATOMIC); 1730 /* we can't do much... */ 1731 if (!entry) 1732 return; 1733 1734 entry->rxb._page = rxb_steal_page(rxb); 1735 entry->rxb._offset = rxb->_offset; 1736 entry->rxb._rx_page_order = rxb->_rx_page_order; 1737 entry->fn = rx_h->fn; 1738 entry->context = rx_h->context; 1739 spin_lock(&mvm->async_handlers_lock); 1740 list_add_tail(&entry->list, &mvm->async_handlers_list); 1741 spin_unlock(&mvm->async_handlers_lock); 1742 if (rx_h->context == RX_HANDLER_ASYNC_LOCKED_WIPHY) 1743 wiphy_work_queue(mvm->hw->wiphy, 1744 &mvm->async_handlers_wiphy_wk); 1745 else 1746 schedule_work(&mvm->async_handlers_wk); 1747 break; 1748 } 1749 } 1750 1751 static void iwl_mvm_rx(struct iwl_op_mode *op_mode, 1752 struct napi_struct *napi, 1753 struct iwl_rx_cmd_buffer *rxb) 1754 { 1755 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1756 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1757 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1758 1759 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1760 iwl_mvm_rx_rx_mpdu(mvm, napi, rxb); 1761 else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD)) 1762 iwl_mvm_rx_rx_phy_cmd(mvm, rxb); 1763 else 1764 iwl_mvm_rx_common(mvm, rxb, pkt); 1765 } 1766 1767 void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode, 1768 struct napi_struct *napi, 1769 struct iwl_rx_cmd_buffer *rxb) 1770 { 1771 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1772 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1773 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1774 1775 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1776 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0); 1777 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, 1778 RX_QUEUES_NOTIFICATION))) 1779 iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0); 1780 else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)) 1781 iwl_mvm_rx_frame_release(mvm, napi, rxb, 0); 1782 else if (cmd == WIDE_ID(LEGACY_GROUP, BAR_FRAME_RELEASE)) 1783 iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0); 1784 else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF)) 1785 iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0); 1786 else 1787 iwl_mvm_rx_common(mvm, rxb, pkt); 1788 } 1789 1790 static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue) 1791 { 1792 return queue == mvm->aux_queue || queue == mvm->probe_queue || 1793 queue == mvm->p2p_dev_queue || queue == mvm->snif_queue; 1794 } 1795 1796 static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode, 1797 int hw_queue, bool start) 1798 { 1799 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1800 struct ieee80211_sta *sta; 1801 struct ieee80211_txq *txq; 1802 struct iwl_mvm_txq *mvmtxq; 1803 int i; 1804 unsigned long tid_bitmap; 1805 struct iwl_mvm_sta *mvmsta; 1806 u8 sta_id; 1807 1808 sta_id = iwl_mvm_has_new_tx_api(mvm) ? 1809 mvm->tvqm_info[hw_queue].sta_id : 1810 mvm->queue_info[hw_queue].ra_sta_id; 1811 1812 if (WARN_ON_ONCE(sta_id >= mvm->fw->ucode_capa.num_stations)) 1813 return; 1814 1815 rcu_read_lock(); 1816 1817 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); 1818 if (IS_ERR_OR_NULL(sta)) 1819 goto out; 1820 mvmsta = iwl_mvm_sta_from_mac80211(sta); 1821 1822 if (iwl_mvm_is_static_queue(mvm, hw_queue)) { 1823 if (!start) 1824 ieee80211_stop_queues(mvm->hw); 1825 else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST) 1826 ieee80211_wake_queues(mvm->hw); 1827 1828 goto out; 1829 } 1830 1831 if (iwl_mvm_has_new_tx_api(mvm)) { 1832 int tid = mvm->tvqm_info[hw_queue].txq_tid; 1833 1834 tid_bitmap = BIT(tid); 1835 } else { 1836 tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap; 1837 } 1838 1839 for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) { 1840 int tid = i; 1841 1842 if (tid == IWL_MAX_TID_COUNT) 1843 tid = IEEE80211_NUM_TIDS; 1844 1845 txq = sta->txq[tid]; 1846 mvmtxq = iwl_mvm_txq_from_mac80211(txq); 1847 if (start) 1848 clear_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state); 1849 else 1850 set_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state); 1851 1852 if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST) { 1853 local_bh_disable(); 1854 iwl_mvm_mac_itxq_xmit(mvm->hw, txq); 1855 local_bh_enable(); 1856 } 1857 } 1858 1859 out: 1860 rcu_read_unlock(); 1861 } 1862 1863 static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) 1864 { 1865 iwl_mvm_queue_state_change(op_mode, hw_queue, false); 1866 } 1867 1868 static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) 1869 { 1870 iwl_mvm_queue_state_change(op_mode, hw_queue, true); 1871 } 1872 1873 static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm) 1874 { 1875 wiphy_rfkill_set_hw_state(mvm->hw->wiphy, 1876 iwl_mvm_is_radio_killed(mvm)); 1877 } 1878 1879 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state) 1880 { 1881 if (state) 1882 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1883 else 1884 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1885 1886 iwl_mvm_set_rfkill_state(mvm); 1887 } 1888 1889 struct iwl_mvm_csme_conn_info *iwl_mvm_get_csme_conn_info(struct iwl_mvm *mvm) 1890 { 1891 return rcu_dereference_protected(mvm->csme_conn_info, 1892 lockdep_is_held(&mvm->mutex)); 1893 } 1894 1895 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) 1896 { 1897 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1898 bool rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done); 1899 bool unified = iwl_mvm_has_unified_ucode(mvm); 1900 1901 if (state) 1902 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1903 else 1904 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1905 1906 iwl_mvm_set_rfkill_state(mvm); 1907 1908 /* iwl_run_init_mvm_ucode is waiting for results, abort it. */ 1909 if (rfkill_safe_init_done) 1910 iwl_abort_notification_waits(&mvm->notif_wait); 1911 1912 /* 1913 * Don't ask the transport to stop the firmware. We'll do it 1914 * after cfg80211 takes us down. 1915 */ 1916 if (unified) 1917 return false; 1918 1919 /* 1920 * Stop the device if we run OPERATIONAL firmware or if we are in the 1921 * middle of the calibrations. 1922 */ 1923 return state && rfkill_safe_init_done; 1924 } 1925 1926 static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) 1927 { 1928 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1929 struct ieee80211_tx_info *info; 1930 1931 info = IEEE80211_SKB_CB(skb); 1932 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]); 1933 ieee80211_free_txskb(mvm->hw, skb); 1934 } 1935 1936 struct iwl_mvm_reprobe { 1937 struct device *dev; 1938 struct work_struct work; 1939 }; 1940 1941 static void iwl_mvm_reprobe_wk(struct work_struct *wk) 1942 { 1943 struct iwl_mvm_reprobe *reprobe; 1944 1945 reprobe = container_of(wk, struct iwl_mvm_reprobe, work); 1946 if (device_reprobe(reprobe->dev)) 1947 dev_err(reprobe->dev, "reprobe failed!\n"); 1948 put_device(reprobe->dev); 1949 kfree(reprobe); 1950 module_put(THIS_MODULE); 1951 } 1952 1953 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) 1954 { 1955 iwl_abort_notification_waits(&mvm->notif_wait); 1956 iwl_dbg_tlv_del_timers(mvm->trans); 1957 1958 /* 1959 * This is a bit racy, but worst case we tell mac80211 about 1960 * a stopped/aborted scan when that was already done which 1961 * is not a problem. It is necessary to abort any os scan 1962 * here because mac80211 requires having the scan cleared 1963 * before restarting. 1964 * We'll reset the scan_status to NONE in restart cleanup in 1965 * the next start() call from mac80211. If restart isn't called 1966 * (no fw restart) scan status will stay busy. 1967 */ 1968 iwl_mvm_report_scan_aborted(mvm); 1969 1970 /* 1971 * If we're restarting already, don't cycle restarts. 1972 * If INIT fw asserted, it will likely fail again. 1973 * If WoWLAN fw asserted, don't restart either, mac80211 1974 * can't recover this since we're already half suspended. 1975 */ 1976 if (!mvm->fw_restart && fw_error) { 1977 iwl_fw_error_collect(&mvm->fwrt, false); 1978 } else if (test_bit(IWL_MVM_STATUS_STARTING, 1979 &mvm->status)) { 1980 IWL_ERR(mvm, "Starting mac, retry will be triggered anyway\n"); 1981 } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1982 struct iwl_mvm_reprobe *reprobe; 1983 1984 IWL_ERR(mvm, 1985 "Firmware error during reconfiguration - reprobe!\n"); 1986 1987 /* 1988 * get a module reference to avoid doing this while unloading 1989 * anyway and to avoid scheduling a work with code that's 1990 * being removed. 1991 */ 1992 if (!try_module_get(THIS_MODULE)) { 1993 IWL_ERR(mvm, "Module is being unloaded - abort\n"); 1994 return; 1995 } 1996 1997 reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC); 1998 if (!reprobe) { 1999 module_put(THIS_MODULE); 2000 return; 2001 } 2002 reprobe->dev = get_device(mvm->trans->dev); 2003 INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk); 2004 schedule_work(&reprobe->work); 2005 } else if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 2006 &mvm->status)) { 2007 IWL_ERR(mvm, "HW restart already requested, but not started\n"); 2008 } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR && 2009 mvm->hw_registered && 2010 !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) { 2011 /* This should be first thing before trying to collect any 2012 * data to avoid endless loops if any HW error happens while 2013 * collecting debug data. 2014 */ 2015 set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 2016 2017 if (mvm->fw->ucode_capa.error_log_size) { 2018 u32 src_size = mvm->fw->ucode_capa.error_log_size; 2019 u32 src_addr = mvm->fw->ucode_capa.error_log_addr; 2020 u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC); 2021 2022 if (recover_buf) { 2023 mvm->error_recovery_buf = recover_buf; 2024 iwl_trans_read_mem_bytes(mvm->trans, 2025 src_addr, 2026 recover_buf, 2027 src_size); 2028 } 2029 } 2030 2031 iwl_fw_error_collect(&mvm->fwrt, false); 2032 2033 if (fw_error && mvm->fw_restart > 0) { 2034 mvm->fw_restart--; 2035 ieee80211_restart_hw(mvm->hw); 2036 } else if (mvm->fwrt.trans->dbg.restart_required) { 2037 IWL_DEBUG_INFO(mvm, "FW restart requested after debug collection\n"); 2038 mvm->fwrt.trans->dbg.restart_required = false; 2039 ieee80211_restart_hw(mvm->hw); 2040 } else if (mvm->trans->trans_cfg->device_family <= IWL_DEVICE_FAMILY_8000) { 2041 ieee80211_restart_hw(mvm->hw); 2042 } 2043 } 2044 } 2045 2046 static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode, bool sync) 2047 { 2048 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2049 2050 if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status) && 2051 !test_and_clear_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, 2052 &mvm->status)) 2053 iwl_mvm_dump_nic_error_log(mvm); 2054 2055 if (sync) { 2056 iwl_fw_error_collect(&mvm->fwrt, true); 2057 /* 2058 * Currently, the only case for sync=true is during 2059 * shutdown, so just stop in this case. If/when that 2060 * changes, we need to be a bit smarter here. 2061 */ 2062 return; 2063 } 2064 2065 /* 2066 * If the firmware crashes while we're already considering it 2067 * to be dead then don't ask for a restart, that cannot do 2068 * anything useful anyway. 2069 */ 2070 if (!test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status)) 2071 return; 2072 2073 iwl_mvm_nic_restart(mvm, false); 2074 } 2075 2076 static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode) 2077 { 2078 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2079 2080 WARN_ON(1); 2081 iwl_mvm_nic_restart(mvm, true); 2082 } 2083 2084 static void iwl_op_mode_mvm_time_point(struct iwl_op_mode *op_mode, 2085 enum iwl_fw_ini_time_point tp_id, 2086 union iwl_dbg_tlv_tp_data *tp_data) 2087 { 2088 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2089 2090 iwl_dbg_tlv_time_point(&mvm->fwrt, tp_id, tp_data); 2091 } 2092 2093 #define IWL_MVM_COMMON_OPS \ 2094 /* these could be differentiated */ \ 2095 .queue_full = iwl_mvm_stop_sw_queue, \ 2096 .queue_not_full = iwl_mvm_wake_sw_queue, \ 2097 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \ 2098 .free_skb = iwl_mvm_free_skb, \ 2099 .nic_error = iwl_mvm_nic_error, \ 2100 .cmd_queue_full = iwl_mvm_cmd_queue_full, \ 2101 .nic_config = iwl_mvm_nic_config, \ 2102 /* as we only register one, these MUST be common! */ \ 2103 .start = iwl_op_mode_mvm_start, \ 2104 .stop = iwl_op_mode_mvm_stop, \ 2105 .time_point = iwl_op_mode_mvm_time_point 2106 2107 static const struct iwl_op_mode_ops iwl_mvm_ops = { 2108 IWL_MVM_COMMON_OPS, 2109 .rx = iwl_mvm_rx, 2110 }; 2111 2112 static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode, 2113 struct napi_struct *napi, 2114 struct iwl_rx_cmd_buffer *rxb, 2115 unsigned int queue) 2116 { 2117 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2118 struct iwl_rx_packet *pkt = rxb_addr(rxb); 2119 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 2120 2121 if (unlikely(queue >= mvm->trans->num_rx_queues)) 2122 return; 2123 2124 if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))) 2125 iwl_mvm_rx_frame_release(mvm, napi, rxb, queue); 2126 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, 2127 RX_QUEUES_NOTIFICATION))) 2128 iwl_mvm_rx_queue_notif(mvm, napi, rxb, queue); 2129 else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 2130 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue); 2131 } 2132 2133 static const struct iwl_op_mode_ops iwl_mvm_ops_mq = { 2134 IWL_MVM_COMMON_OPS, 2135 .rx = iwl_mvm_rx_mq, 2136 .rx_rss = iwl_mvm_rx_mq_rss, 2137 }; 2138