drivers/net/wireless/intel/iwlwifi/mvm/ops.c

   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_esr_trans_fail_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_esr_trans_fail_notif *notif = (void *)pkt->data;
 167         struct ieee80211_vif *vif = iwl_mvm_get_bss_vif(mvm);
 168         u8 fw_link_id = le32_to_cpu(notif->link_id);
 169         struct ieee80211_bss_conf *bss_conf;
 170
 171         if (IS_ERR_OR_NULL(vif))
 172                 return;
 173
 174         IWL_DEBUG_INFO(mvm, "Failed to %s eSR on link %d, reason %d\n",
 175                        le32_to_cpu(notif->activation) ? "enter" : "exit",
 176                        le32_to_cpu(notif->link_id),
 177                        le32_to_cpu(notif->err_code));
 178
 179         /* we couldn't go back to single link, disconnect */
 180         if (!le32_to_cpu(notif->activation)) {
 181                 iwl_mvm_connection_loss(mvm, vif, "emlsr exit failed");
 182                 return;
 183         }
 184
 185         bss_conf = iwl_mvm_rcu_fw_link_id_to_link_conf(mvm, fw_link_id, false);
 186         if (IWL_FW_CHECK(mvm, !bss_conf,
 187                          "FW reported failure to activate EMLSR on a non-existing link: %d\n",
 188                          fw_link_id))
 189                 return;
 190
 191         /*
 192          * We failed to activate the second link and enter EMLSR, we need to go
 193          * back to single link.
 194          */
 195         iwl_mvm_exit_esr(mvm, vif, IWL_MVM_ESR_EXIT_FAIL_ENTRY,
 196                          bss_conf->link_id);
 197 }
 198
 199 static void iwl_mvm_rx_monitor_notif(struct iwl_mvm *mvm,
 200                                      struct iwl_rx_cmd_buffer *rxb)
 201 {
 202         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 203         struct iwl_datapath_monitor_notif *notif = (void *)pkt->data;
 204         struct ieee80211_supported_band *sband;
 205         const struct ieee80211_sta_he_cap *he_cap;
 206         struct ieee80211_vif *vif;
 207
 208         if (notif->type != cpu_to_le32(IWL_DP_MON_NOTIF_TYPE_EXT_CCA))
 209                 return;
 210
 211         vif = iwl_mvm_get_vif_by_macid(mvm, notif->mac_id);
 212         if (!vif || vif->type != NL80211_IFTYPE_STATION)
 213                 return;
 214
 215         if (!vif->bss_conf.chanreq.oper.chan ||
 216             vif->bss_conf.chanreq.oper.chan->band != NL80211_BAND_2GHZ ||
 217             vif->bss_conf.chanreq.oper.width < NL80211_CHAN_WIDTH_40)
 218                 return;
 219
 220         if (!vif->cfg.assoc)
 221                 return;
 222
 223         /* this shouldn't happen *again*, ignore it */
 224         if (mvm->cca_40mhz_workaround)
 225                 return;
 226
 227         /*
 228          * We'll decrement this on disconnect - so set to 2 since we'll
 229          * still have to disconnect from the current AP first.
 230          */
 231         mvm->cca_40mhz_workaround = 2;
 232
 233         /*
 234          * This capability manipulation isn't really ideal, but it's the
 235          * easiest choice - otherwise we'd have to do some major changes
 236          * in mac80211 to support this, which isn't worth it. This does
 237          * mean that userspace may have outdated information, but that's
 238          * actually not an issue at all.
 239          */
 240         sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ];
 241
 242         WARN_ON(!sband->ht_cap.ht_supported);
 243         WARN_ON(!(sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40));
 244         sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 245
 246         he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif);
 247
 248         if (he_cap) {
 249                 /* we know that ours is writable */
 250                 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap;
 251
 252                 WARN_ON(!he->has_he);
 253                 WARN_ON(!(he->he_cap_elem.phy_cap_info[0] &
 254                                 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G));
 255                 he->he_cap_elem.phy_cap_info[0] &=
 256                         ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
 257         }
 258
 259         ieee80211_disconnect(vif, true);
 260 }
 261
 262 void iwl_mvm_update_link_smps(struct ieee80211_vif *vif,
 263                               struct ieee80211_bss_conf *link_conf)
 264 {
 265         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 266         struct iwl_mvm *mvm = mvmvif->mvm;
 267         enum ieee80211_smps_mode mode = IEEE80211_SMPS_AUTOMATIC;
 268
 269         if (!link_conf)
 270                 return;
 271
 272         if (mvm->fw_static_smps_request &&
 273             link_conf->chanreq.oper.width == NL80211_CHAN_WIDTH_160 &&
 274             link_conf->he_support)
 275                 mode = IEEE80211_SMPS_STATIC;
 276
 277         iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_FW, mode,
 278                             link_conf->link_id);
 279 }
 280
 281 static void iwl_mvm_intf_dual_chain_req(void *data, u8 *mac,
 282                                         struct ieee80211_vif *vif)
 283 {
 284         struct ieee80211_bss_conf *link_conf;
 285         unsigned int link_id;
 286
 287         rcu_read_lock();
 288
 289         for_each_vif_active_link(vif, link_conf, link_id)
 290                 iwl_mvm_update_link_smps(vif, link_conf);
 291
 292         rcu_read_unlock();
 293 }
 294
 295 static void iwl_mvm_rx_thermal_dual_chain_req(struct iwl_mvm *mvm,
 296                                               struct iwl_rx_cmd_buffer *rxb)
 297 {
 298         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 299         struct iwl_thermal_dual_chain_request *req = (void *)pkt->data;
 300
 301         /* firmware is expected to handle that in RLC offload mode */
 302         if (IWL_FW_CHECK(mvm, iwl_mvm_has_rlc_offload(mvm),
 303                          "Got THERMAL_DUAL_CHAIN_REQUEST (0x%x) in RLC offload mode\n",
 304                          req->event))
 305                 return;
 306
 307         /*
 308          * We could pass it to the iterator data, but also need to remember
 309          * it for new interfaces that are added while in this state.
 310          */
 311         mvm->fw_static_smps_request =
 312                 req->event == cpu_to_le32(THERMAL_DUAL_CHAIN_REQ_DISABLE);
 313         ieee80211_iterate_interfaces(mvm->hw,
 314                                      IEEE80211_IFACE_SKIP_SDATA_NOT_IN_DRIVER,
 315                                      iwl_mvm_intf_dual_chain_req, NULL);
 316 }
 317
 318 /**
 319  * enum iwl_rx_handler_context: context for Rx handler
 320  * @RX_HANDLER_SYNC : this means that it will be called in the Rx path
 321  *      which can't acquire mvm->mutex.
 322  * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex
 323  *      (and only in this case!), it should be set as ASYNC. In that case,
 324  *      it will be called from a worker with mvm->mutex held.
 325  * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the
 326  *      mutex itself, it will be called from a worker without mvm->mutex held.
 327  * @RX_HANDLER_ASYNC_LOCKED_WIPHY: If the handler needs to hold the wiphy lock
 328  *      and mvm->mutex. Will be handled with the wiphy_work queue infra
 329  *      instead of regular work queue.
 330  */
 331 enum iwl_rx_handler_context {
 332         RX_HANDLER_SYNC,
 333         RX_HANDLER_ASYNC_LOCKED,
 334         RX_HANDLER_ASYNC_UNLOCKED,
 335         RX_HANDLER_ASYNC_LOCKED_WIPHY,
 336 };
 337
 338 /**
 339  * struct iwl_rx_handlers: handler for FW notification
 340  * @cmd_id: command id
 341  * @min_size: minimum size to expect for the notification
 342  * @context: see &iwl_rx_handler_context
 343  * @fn: the function is called when notification is received
 344  */
 345 struct iwl_rx_handlers {
 346         u16 cmd_id, min_size;
 347         enum iwl_rx_handler_context context;
 348         void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
 349 };
 350
 351 #define RX_HANDLER_NO_SIZE(_cmd_id, _fn, _context)              \
 352         { .cmd_id = _cmd_id, .fn = _fn, .context = _context, }
 353 #define RX_HANDLER_GRP_NO_SIZE(_grp, _cmd, _fn, _context)       \
 354         { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context, }
 355 #define RX_HANDLER(_cmd_id, _fn, _context, _struct)             \
 356         { .cmd_id = _cmd_id, .fn = _fn,                         \
 357           .context = _context, .min_size = sizeof(_struct), }
 358 #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context, _struct)      \
 359         { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn,             \
 360           .context = _context, .min_size = sizeof(_struct), }
 361
 362 /*
 363  * Handlers for fw notifications
 364  * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME
 365  * This list should be in order of frequency for performance purposes.
 366  *
 367  * The handler can be one from three contexts, see &iwl_rx_handler_context
 368  */
 369 static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
 370         RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC,
 371                    struct iwl_tx_resp),
 372         RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC,
 373                    struct iwl_mvm_ba_notif),
 374
 375         RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF,
 376                        iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC,
 377                        struct iwl_tlc_update_notif),
 378
 379         RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_old_notif,
 380                    RX_HANDLER_ASYNC_LOCKED_WIPHY,
 381                    struct iwl_bt_coex_prof_old_notif),
 382         RX_HANDLER_GRP(BT_COEX_GROUP, PROFILE_NOTIF, iwl_mvm_rx_bt_coex_notif,
 383                        RX_HANDLER_ASYNC_LOCKED_WIPHY,
 384                        struct iwl_bt_coex_profile_notif),
 385         RX_HANDLER_NO_SIZE(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif,
 386                            RX_HANDLER_ASYNC_LOCKED),
 387         RX_HANDLER_NO_SIZE(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics,
 388                            RX_HANDLER_ASYNC_LOCKED),
 389
 390         RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_NOTIF,
 391                        iwl_mvm_handle_rx_system_oper_stats,
 392                        RX_HANDLER_ASYNC_LOCKED_WIPHY,
 393                        struct iwl_system_statistics_notif_oper),
 394         RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_PART1_NOTIF,
 395                        iwl_mvm_handle_rx_system_oper_part1_stats,
 396                        RX_HANDLER_ASYNC_LOCKED,
 397                        struct iwl_system_statistics_part1_notif_oper),
 398         RX_HANDLER_GRP(SYSTEM_GROUP, SYSTEM_STATISTICS_END_NOTIF,
 399                        iwl_mvm_handle_rx_system_end_stats_notif,
 400                        RX_HANDLER_ASYNC_LOCKED,
 401                        struct iwl_system_statistics_end_notif),
 402
 403         RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID,
 404                    iwl_mvm_window_status_notif, RX_HANDLER_SYNC,
 405                    struct iwl_ba_window_status_notif),
 406
 407         RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif,
 408                    RX_HANDLER_SYNC, struct iwl_time_event_notif),
 409         RX_HANDLER_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF,
 410                        iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC,
 411                        struct iwl_mvm_session_prot_notif),
 412         RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc,
 413                    RX_HANDLER_ASYNC_LOCKED, struct iwl_mcc_chub_notif),
 414
 415         RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC,
 416                    struct iwl_mvm_eosp_notification),
 417
 418         RX_HANDLER(SCAN_ITERATION_COMPLETE,
 419                    iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC,
 420                    struct iwl_lmac_scan_complete_notif),
 421         RX_HANDLER(SCAN_OFFLOAD_COMPLETE,
 422                    iwl_mvm_rx_lmac_scan_complete_notif,
 423                    RX_HANDLER_ASYNC_LOCKED, struct iwl_periodic_scan_complete),
 424         RX_HANDLER_NO_SIZE(MATCH_FOUND_NOTIFICATION,
 425                            iwl_mvm_rx_scan_match_found,
 426                            RX_HANDLER_SYNC),
 427         RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif,
 428                    RX_HANDLER_ASYNC_LOCKED,
 429                    struct iwl_umac_scan_complete),
 430         RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC,
 431                    iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC,
 432                    struct iwl_umac_scan_iter_complete_notif),
 433
 434         RX_HANDLER(MISSED_BEACONS_NOTIFICATION,
 435                    iwl_mvm_rx_missed_beacons_notif_legacy,
 436                    RX_HANDLER_ASYNC_LOCKED_WIPHY,
 437                    struct iwl_missed_beacons_notif_v4),
 438
 439         RX_HANDLER_GRP(MAC_CONF_GROUP, MISSED_BEACONS_NOTIF,
 440                        iwl_mvm_rx_missed_beacons_notif,
 441                        RX_HANDLER_ASYNC_LOCKED_WIPHY,
 442                        struct iwl_missed_beacons_notif),
 443         RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC,
 444                    struct iwl_error_resp),
 445         RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION,
 446                    iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC,
 447                    struct iwl_uapsd_misbehaving_ap_notif),
 448         RX_HANDLER_NO_SIZE(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif,
 449                            RX_HANDLER_ASYNC_LOCKED),
 450         RX_HANDLER_GRP_NO_SIZE(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE,
 451                                iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED),
 452         RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION,
 453                        iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC,
 454                        struct ct_kill_notif),
 455
 456         RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif,
 457                    RX_HANDLER_ASYNC_LOCKED,
 458                    struct iwl_tdls_channel_switch_notif),
 459         RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif,
 460                    RX_HANDLER_SYNC, struct iwl_mfuart_load_notif_v1),
 461         RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS,
 462                        iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED,
 463                        struct iwl_ftm_responder_stats),
 464
 465         RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF,
 466                                iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED),
 467         RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_LC_NOTIF,
 468                                iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED),
 469
 470         RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF,
 471                        iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC,
 472                        struct iwl_mfu_assert_dump_notif),
 473         RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF,
 474                        iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC,
 475                        struct iwl_stored_beacon_notif_v2),
 476         RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF,
 477                        iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC,
 478                        struct iwl_mu_group_mgmt_notif),
 479         RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF,
 480                        iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC,
 481                        struct iwl_mvm_pm_state_notification),
 482         RX_HANDLER_GRP(MAC_CONF_GROUP, PROBE_RESPONSE_DATA_NOTIF,
 483                        iwl_mvm_probe_resp_data_notif,
 484                        RX_HANDLER_ASYNC_LOCKED,
 485                        struct iwl_probe_resp_data_notif),
 486         RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_START_NOTIF,
 487                        iwl_mvm_channel_switch_start_notif,
 488                        RX_HANDLER_SYNC, struct iwl_channel_switch_start_notif),
 489         RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_ERROR_NOTIF,
 490                        iwl_mvm_channel_switch_error_notif,
 491                        RX_HANDLER_ASYNC_UNLOCKED,
 492                        struct iwl_channel_switch_error_notif),
 493
 494         RX_HANDLER_GRP(DATA_PATH_GROUP, ESR_MODE_NOTIF,
 495                        iwl_mvm_rx_esr_mode_notif,
 496                        RX_HANDLER_ASYNC_LOCKED_WIPHY,
 497                        struct iwl_mvm_esr_mode_notif),
 498
 499         RX_HANDLER_GRP(DATA_PATH_GROUP, MONITOR_NOTIF,
 500                        iwl_mvm_rx_monitor_notif, RX_HANDLER_ASYNC_LOCKED,
 501                        struct iwl_datapath_monitor_notif),
 502
 503         RX_HANDLER_GRP(DATA_PATH_GROUP, THERMAL_DUAL_CHAIN_REQUEST,
 504                        iwl_mvm_rx_thermal_dual_chain_req,
 505                        RX_HANDLER_ASYNC_LOCKED,
 506                        struct iwl_thermal_dual_chain_request),
 507
 508         RX_HANDLER_GRP(SYSTEM_GROUP, RFI_DEACTIVATE_NOTIF,
 509                        iwl_rfi_deactivate_notif_handler, RX_HANDLER_ASYNC_UNLOCKED,
 510                        struct iwl_rfi_deactivate_notif),
 511
 512         RX_HANDLER_GRP(LEGACY_GROUP,
 513                        WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION,
 514                        iwl_mvm_time_sync_msmt_event, RX_HANDLER_SYNC,
 515                        struct iwl_time_msmt_notify),
 516         RX_HANDLER_GRP(LEGACY_GROUP,
 517                        WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION,
 518                        iwl_mvm_time_sync_msmt_confirm_event, RX_HANDLER_SYNC,
 519                        struct iwl_time_msmt_cfm_notify),
 520         RX_HANDLER_GRP(MAC_CONF_GROUP, ROC_NOTIF,
 521                        iwl_mvm_rx_roc_notif, RX_HANDLER_ASYNC_LOCKED,
 522                        struct iwl_roc_notif),
 523         RX_HANDLER_GRP(SCAN_GROUP, CHANNEL_SURVEY_NOTIF,
 524                        iwl_mvm_rx_channel_survey_notif, RX_HANDLER_ASYNC_LOCKED,
 525                        struct iwl_umac_scan_channel_survey_notif),
 526         RX_HANDLER_GRP(MAC_CONF_GROUP, EMLSR_TRANS_FAIL_NOTIF,
 527                        iwl_mvm_rx_esr_trans_fail_notif,
 528                        RX_HANDLER_ASYNC_LOCKED_WIPHY,
 529                        struct iwl_esr_trans_fail_notif),
 530 };
 531 #undef RX_HANDLER
 532 #undef RX_HANDLER_GRP
 533
 534 /* Please keep this array *SORTED* by hex value.
 535  * Access is done through binary search
 536  */
 537 static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = {
 538         HCMD_NAME(UCODE_ALIVE_NTFY),
 539         HCMD_NAME(REPLY_ERROR),
 540         HCMD_NAME(ECHO_CMD),
 541         HCMD_NAME(INIT_COMPLETE_NOTIF),
 542         HCMD_NAME(PHY_CONTEXT_CMD),
 543         HCMD_NAME(DBG_CFG),
 544         HCMD_NAME(SCAN_CFG_CMD),
 545         HCMD_NAME(SCAN_REQ_UMAC),
 546         HCMD_NAME(SCAN_ABORT_UMAC),
 547         HCMD_NAME(SCAN_COMPLETE_UMAC),
 548         HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID),
 549         HCMD_NAME(ADD_STA_KEY),
 550         HCMD_NAME(ADD_STA),
 551         HCMD_NAME(REMOVE_STA),
 552         HCMD_NAME(TX_CMD),
 553         HCMD_NAME(SCD_QUEUE_CFG),
 554         HCMD_NAME(TXPATH_FLUSH),
 555         HCMD_NAME(MGMT_MCAST_KEY),
 556         HCMD_NAME(WEP_KEY),
 557         HCMD_NAME(SHARED_MEM_CFG),
 558         HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD),
 559         HCMD_NAME(MAC_CONTEXT_CMD),
 560         HCMD_NAME(TIME_EVENT_CMD),
 561         HCMD_NAME(TIME_EVENT_NOTIFICATION),
 562         HCMD_NAME(BINDING_CONTEXT_CMD),
 563         HCMD_NAME(TIME_QUOTA_CMD),
 564         HCMD_NAME(NON_QOS_TX_COUNTER_CMD),
 565         HCMD_NAME(LEDS_CMD),
 566         HCMD_NAME(LQ_CMD),
 567         HCMD_NAME(FW_PAGING_BLOCK_CMD),
 568         HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD),
 569         HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD),
 570         HCMD_NAME(HOT_SPOT_CMD),
 571         HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD),
 572         HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP),
 573         HCMD_NAME(BT_COEX_CI),
 574         HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION),
 575         HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION),
 576         HCMD_NAME(PHY_CONFIGURATION_CMD),
 577         HCMD_NAME(CALIB_RES_NOTIF_PHY_DB),
 578         HCMD_NAME(PHY_DB_CMD),
 579         HCMD_NAME(SCAN_OFFLOAD_COMPLETE),
 580         HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD),
 581         HCMD_NAME(POWER_TABLE_CMD),
 582         HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION),
 583         HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF),
 584         HCMD_NAME(NVM_ACCESS_CMD),
 585         HCMD_NAME(BEACON_NOTIFICATION),
 586         HCMD_NAME(BEACON_TEMPLATE_CMD),
 587         HCMD_NAME(TX_ANT_CONFIGURATION_CMD),
 588         HCMD_NAME(BT_CONFIG),
 589         HCMD_NAME(STATISTICS_CMD),
 590         HCMD_NAME(STATISTICS_NOTIFICATION),
 591         HCMD_NAME(EOSP_NOTIFICATION),
 592         HCMD_NAME(REDUCE_TX_POWER_CMD),
 593         HCMD_NAME(MISSED_BEACONS_NOTIFICATION),
 594         HCMD_NAME(TDLS_CONFIG_CMD),
 595         HCMD_NAME(MAC_PM_POWER_TABLE),
 596         HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION),
 597         HCMD_NAME(MFUART_LOAD_NOTIFICATION),
 598         HCMD_NAME(RSS_CONFIG_CMD),
 599         HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC),
 600         HCMD_NAME(REPLY_RX_PHY_CMD),
 601         HCMD_NAME(REPLY_RX_MPDU_CMD),
 602         HCMD_NAME(BAR_FRAME_RELEASE),
 603         HCMD_NAME(FRAME_RELEASE),
 604         HCMD_NAME(BA_NOTIF),
 605         HCMD_NAME(MCC_UPDATE_CMD),
 606         HCMD_NAME(MCC_CHUB_UPDATE_CMD),
 607         HCMD_NAME(MARKER_CMD),
 608         HCMD_NAME(BT_PROFILE_NOTIFICATION),
 609         HCMD_NAME(MCAST_FILTER_CMD),
 610         HCMD_NAME(REPLY_SF_CFG_CMD),
 611         HCMD_NAME(REPLY_BEACON_FILTERING_CMD),
 612         HCMD_NAME(D3_CONFIG_CMD),
 613         HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD),
 614         HCMD_NAME(MATCH_FOUND_NOTIFICATION),
 615         HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION),
 616         HCMD_NAME(WOWLAN_PATTERNS),
 617         HCMD_NAME(WOWLAN_CONFIGURATION),
 618         HCMD_NAME(WOWLAN_TSC_RSC_PARAM),
 619         HCMD_NAME(WOWLAN_TKIP_PARAM),
 620         HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL),
 621         HCMD_NAME(WOWLAN_GET_STATUSES),
 622         HCMD_NAME(SCAN_ITERATION_COMPLETE),
 623         HCMD_NAME(D0I3_END_CMD),
 624         HCMD_NAME(LTR_CONFIG),
 625         HCMD_NAME(LDBG_CONFIG_CMD),
 626         HCMD_NAME(DEBUG_LOG_MSG),
 627 };
 628
 629 /* Please keep this array *SORTED* by hex value.
 630  * Access is done through binary search
 631  */
 632 static const struct iwl_hcmd_names iwl_mvm_system_names[] = {
 633         HCMD_NAME(SHARED_MEM_CFG_CMD),
 634         HCMD_NAME(SOC_CONFIGURATION_CMD),
 635         HCMD_NAME(INIT_EXTENDED_CFG_CMD),
 636         HCMD_NAME(FW_ERROR_RECOVERY_CMD),
 637         HCMD_NAME(RFI_CONFIG_CMD),
 638         HCMD_NAME(RFI_GET_FREQ_TABLE_CMD),
 639         HCMD_NAME(SYSTEM_FEATURES_CONTROL_CMD),
 640         HCMD_NAME(SYSTEM_STATISTICS_CMD),
 641         HCMD_NAME(SYSTEM_STATISTICS_END_NOTIF),
 642         HCMD_NAME(RFI_DEACTIVATE_NOTIF),
 643 };
 644
 645 /* Please keep this array *SORTED* by hex value.
 646  * Access is done through binary search
 647  */
 648 static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = {
 649         HCMD_NAME(LOW_LATENCY_CMD),
 650         HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD),
 651         HCMD_NAME(SESSION_PROTECTION_CMD),
 652         HCMD_NAME(CANCEL_CHANNEL_SWITCH_CMD),
 653         HCMD_NAME(MAC_CONFIG_CMD),
 654         HCMD_NAME(LINK_CONFIG_CMD),
 655         HCMD_NAME(STA_CONFIG_CMD),
 656         HCMD_NAME(AUX_STA_CMD),
 657         HCMD_NAME(STA_REMOVE_CMD),
 658         HCMD_NAME(STA_DISABLE_TX_CMD),
 659         HCMD_NAME(ROC_CMD),
 660         HCMD_NAME(EMLSR_TRANS_FAIL_NOTIF),
 661         HCMD_NAME(ROC_NOTIF),
 662         HCMD_NAME(CHANNEL_SWITCH_ERROR_NOTIF),
 663         HCMD_NAME(MISSED_VAP_NOTIF),
 664         HCMD_NAME(SESSION_PROTECTION_NOTIF),
 665         HCMD_NAME(PROBE_RESPONSE_DATA_NOTIF),
 666         HCMD_NAME(CHANNEL_SWITCH_START_NOTIF),
 667 };
 668
 669 /* Please keep this array *SORTED* by hex value.
 670  * Access is done through binary search
 671  */
 672 static const struct iwl_hcmd_names iwl_mvm_phy_names[] = {
 673         HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE),
 674         HCMD_NAME(CTDP_CONFIG_CMD),
 675         HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD),
 676         HCMD_NAME(PER_CHAIN_LIMIT_OFFSET_CMD),
 677         HCMD_NAME(AP_TX_POWER_CONSTRAINTS_CMD),
 678         HCMD_NAME(CT_KILL_NOTIFICATION),
 679         HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE),
 680 };
 681
 682 /* Please keep this array *SORTED* by hex value.
 683  * Access is done through binary search
 684  */
 685 static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = {
 686         HCMD_NAME(DQA_ENABLE_CMD),
 687         HCMD_NAME(UPDATE_MU_GROUPS_CMD),
 688         HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD),
 689         HCMD_NAME(WNM_PLATFORM_PTM_REQUEST_CMD),
 690         HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD),
 691         HCMD_NAME(STA_HE_CTXT_CMD),
 692         HCMD_NAME(RLC_CONFIG_CMD),
 693         HCMD_NAME(RFH_QUEUE_CONFIG_CMD),
 694         HCMD_NAME(TLC_MNG_CONFIG_CMD),
 695         HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD),
 696         HCMD_NAME(SCD_QUEUE_CONFIG_CMD),
 697         HCMD_NAME(SEC_KEY_CMD),
 698         HCMD_NAME(ESR_MODE_NOTIF),
 699         HCMD_NAME(MONITOR_NOTIF),
 700         HCMD_NAME(THERMAL_DUAL_CHAIN_REQUEST),
 701         HCMD_NAME(STA_PM_NOTIF),
 702         HCMD_NAME(MU_GROUP_MGMT_NOTIF),
 703         HCMD_NAME(RX_QUEUES_NOTIFICATION),
 704 };
 705
 706 /* Please keep this array *SORTED* by hex value.
 707  * Access is done through binary search
 708  */
 709 static const struct iwl_hcmd_names iwl_mvm_statistics_names[] = {
 710         HCMD_NAME(STATISTICS_OPER_NOTIF),
 711         HCMD_NAME(STATISTICS_OPER_PART1_NOTIF),
 712 };
 713
 714 /* Please keep this array *SORTED* by hex value.
 715  * Access is done through binary search
 716  */
 717 static const struct iwl_hcmd_names iwl_mvm_debug_names[] = {
 718         HCMD_NAME(LMAC_RD_WR),
 719         HCMD_NAME(UMAC_RD_WR),
 720         HCMD_NAME(HOST_EVENT_CFG),
 721         HCMD_NAME(DBGC_SUSPEND_RESUME),
 722         HCMD_NAME(BUFFER_ALLOCATION),
 723         HCMD_NAME(GET_TAS_STATUS),
 724         HCMD_NAME(FW_DUMP_COMPLETE_CMD),
 725         HCMD_NAME(FW_CLEAR_BUFFER),
 726         HCMD_NAME(MFU_ASSERT_DUMP_NTF),
 727 };
 728
 729 /* Please keep this array *SORTED* by hex value.
 730  * Access is done through binary search
 731  */
 732 static const struct iwl_hcmd_names iwl_mvm_scan_names[] = {
 733         HCMD_NAME(CHANNEL_SURVEY_NOTIF),
 734         HCMD_NAME(OFFLOAD_MATCH_INFO_NOTIF),
 735 };
 736
 737 /* Please keep this array *SORTED* by hex value.
 738  * Access is done through binary search
 739  */
 740 static const struct iwl_hcmd_names iwl_mvm_location_names[] = {
 741         HCMD_NAME(TOF_RANGE_REQ_CMD),
 742         HCMD_NAME(TOF_CONFIG_CMD),
 743         HCMD_NAME(TOF_RANGE_ABORT_CMD),
 744         HCMD_NAME(TOF_RANGE_REQ_EXT_CMD),
 745         HCMD_NAME(TOF_RESPONDER_CONFIG_CMD),
 746         HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD),
 747         HCMD_NAME(TOF_LC_NOTIF),
 748         HCMD_NAME(TOF_RESPONDER_STATS),
 749         HCMD_NAME(TOF_MCSI_DEBUG_NOTIF),
 750         HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF),
 751 };
 752
 753 /* Please keep this array *SORTED* by hex value.
 754  * Access is done through binary search
 755  */
 756 static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = {
 757         HCMD_NAME(WOWLAN_WAKE_PKT_NOTIFICATION),
 758         HCMD_NAME(WOWLAN_INFO_NOTIFICATION),
 759         HCMD_NAME(D3_END_NOTIFICATION),
 760         HCMD_NAME(STORED_BEACON_NTF),
 761 };
 762
 763 /* Please keep this array *SORTED* by hex value.
 764  * Access is done through binary search
 765  */
 766 static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = {
 767         HCMD_NAME(NVM_ACCESS_COMPLETE),
 768         HCMD_NAME(NVM_GET_INFO),
 769         HCMD_NAME(TAS_CONFIG),
 770 };
 771
 772 /* Please keep this array *SORTED* by hex value.
 773  * Access is done through binary search
 774  */
 775 static const struct iwl_hcmd_names iwl_mvm_bt_coex_names[] = {
 776         HCMD_NAME(PROFILE_NOTIF),
 777 };
 778
 779 static const struct iwl_hcmd_arr iwl_mvm_groups[] = {
 780         [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
 781         [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
 782         [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names),
 783         [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names),
 784         [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names),
 785         [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names),
 786         [SCAN_GROUP] = HCMD_ARR(iwl_mvm_scan_names),
 787         [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names),
 788         [BT_COEX_GROUP] = HCMD_ARR(iwl_mvm_bt_coex_names),
 789         [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names),
 790         [REGULATORY_AND_NVM_GROUP] =
 791                 HCMD_ARR(iwl_mvm_regulatory_and_nvm_names),
 792         [DEBUG_GROUP] = HCMD_ARR(iwl_mvm_debug_names),
 793         [STATISTICS_GROUP] = HCMD_ARR(iwl_mvm_statistics_names),
 794 };
 795
 796 /* this forward declaration can avoid to export the function */
 797 static void iwl_mvm_async_handlers_wk(struct work_struct *wk);
 798 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy,
 799                                             struct wiphy_work *work);
 800
 801 static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm)
 802 {
 803         const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs;
 804         u64 dflt_pwr_limit;
 805
 806         if (!backoff)
 807                 return 0;
 808
 809         iwl_bios_get_pwr_limit(&mvm->fwrt, &dflt_pwr_limit);
 810
 811         while (backoff->pwr) {
 812                 if (dflt_pwr_limit >= backoff->pwr)
 813                         return backoff->backoff;
 814
 815                 backoff++;
 816         }
 817
 818         return 0;
 819 }
 820
 821 static void iwl_mvm_tx_unblock_dwork(struct work_struct *work)
 822 {
 823         struct iwl_mvm *mvm =
 824                 container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work);
 825         struct ieee80211_vif *tx_blocked_vif;
 826         struct iwl_mvm_vif *mvmvif;
 827
 828         guard(mvm)(mvm);
 829
 830         tx_blocked_vif =
 831                 rcu_dereference_protected(mvm->csa_tx_blocked_vif,
 832                                           lockdep_is_held(&mvm->mutex));
 833
 834         if (!tx_blocked_vif)
 835                 return;
 836
 837         mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif);
 838         iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false);
 839         RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
 840 }
 841
 842 static void iwl_mvm_fwrt_dump_start(void *ctx)
 843 {
 844         struct iwl_mvm *mvm = ctx;
 845
 846         mutex_lock(&mvm->mutex);
 847 }
 848
 849 static void iwl_mvm_fwrt_dump_end(void *ctx)
 850 {
 851         struct iwl_mvm *mvm = ctx;
 852
 853         mutex_unlock(&mvm->mutex);
 854 }
 855
 856 static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd)
 857 {
 858         struct iwl_mvm *mvm = (struct iwl_mvm *)ctx;
 859
 860         guard(mvm)(mvm);
 861         return iwl_mvm_send_cmd(mvm, host_cmd);
 862 }
 863
 864 static bool iwl_mvm_d3_debug_enable(void *ctx)
 865 {
 866         return IWL_MVM_D3_DEBUG;
 867 }
 868
 869 static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = {
 870         .dump_start = iwl_mvm_fwrt_dump_start,
 871         .dump_end = iwl_mvm_fwrt_dump_end,
 872         .send_hcmd = iwl_mvm_fwrt_send_hcmd,
 873         .d3_debug_enable = iwl_mvm_d3_debug_enable,
 874 };
 875
 876 static int iwl_mvm_start_get_nvm(struct iwl_mvm *mvm)
 877 {
 878         struct iwl_trans *trans = mvm->trans;
 879         int ret;
 880
 881         if (trans->csme_own) {
 882                 if (WARN(!mvm->mei_registered,
 883                          "csme is owner, but we aren't registered to iwlmei\n"))
 884                         goto get_nvm_from_fw;
 885
 886                 mvm->mei_nvm_data = iwl_mei_get_nvm();
 887                 if (mvm->mei_nvm_data) {
 888                         /*
 889                          * mvm->mei_nvm_data is set and because of that,
 890                          * we'll load the NVM from the FW when we'll get
 891                          * ownership.
 892                          */
 893                         mvm->nvm_data =
 894                                 iwl_parse_mei_nvm_data(trans, trans->cfg,
 895                                                        mvm->mei_nvm_data,
 896                                                        mvm->fw,
 897                                                        mvm->set_tx_ant,
 898                                                        mvm->set_rx_ant);
 899                         return 0;
 900                 }
 901
 902                 IWL_ERR(mvm,
 903                         "Got a NULL NVM from CSME, trying to get it from the device\n");
 904         }
 905
 906 get_nvm_from_fw:
 907         rtnl_lock();
 908         wiphy_lock(mvm->hw->wiphy);
 909         mutex_lock(&mvm->mutex);
 910
 911         ret = iwl_trans_start_hw(mvm->trans);
 912         if (ret) {
 913                 mutex_unlock(&mvm->mutex);
 914                 wiphy_unlock(mvm->hw->wiphy);
 915                 rtnl_unlock();
 916                 return ret;
 917         }
 918
 919         ret = iwl_run_init_mvm_ucode(mvm);
 920         if (ret && ret != -ERFKILL)
 921                 iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER);
 922         if (!ret && iwl_mvm_is_lar_supported(mvm)) {
 923                 mvm->hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
 924                 ret = iwl_mvm_init_mcc(mvm);
 925         }
 926
 927         iwl_mvm_stop_device(mvm);
 928
 929         mutex_unlock(&mvm->mutex);
 930         wiphy_unlock(mvm->hw->wiphy);
 931         rtnl_unlock();
 932
 933         if (ret)
 934                 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
 935
 936         /* no longer need this regardless of failure or not */
 937         mvm->fw_product_reset = false;
 938
 939         return ret;
 940 }
 941
 942 static int iwl_mvm_start_post_nvm(struct iwl_mvm *mvm)
 943 {
 944         struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused;
 945         int ret;
 946
 947         iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx);
 948
 949         ret = iwl_mvm_mac_setup_register(mvm);
 950         if (ret)
 951                 return ret;
 952
 953         mvm->hw_registered = true;
 954
 955         iwl_mvm_dbgfs_register(mvm);
 956
 957         wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy,
 958                                          mvm->mei_rfkill_blocked,
 959                                          RFKILL_HARD_BLOCK_NOT_OWNER);
 960
 961         iwl_mvm_mei_set_sw_rfkill_state(mvm);
 962
 963         return 0;
 964 }
 965
 966 struct iwl_mvm_frob_txf_data {
 967         u8 *buf;
 968         size_t buflen;
 969 };
 970
 971 static void iwl_mvm_frob_txf_key_iter(struct ieee80211_hw *hw,
 972                                       struct ieee80211_vif *vif,
 973                                       struct ieee80211_sta *sta,
 974                                       struct ieee80211_key_conf *key,
 975                                       void *data)
 976 {
 977         struct iwl_mvm_frob_txf_data *txf = data;
 978         u8 keylen, match, matchend;
 979         u8 *keydata;
 980         size_t i;
 981
 982         switch (key->cipher) {
 983         case WLAN_CIPHER_SUITE_CCMP:
 984                 keydata = key->key;
 985                 keylen = key->keylen;
 986                 break;
 987         case WLAN_CIPHER_SUITE_WEP40:
 988         case WLAN_CIPHER_SUITE_WEP104:
 989         case WLAN_CIPHER_SUITE_TKIP:
 990                 /*
 991                  * WEP has short keys which might show up in the payload,
 992                  * and then you can deduce the key, so in this case just
 993                  * remove all FIFO data.
 994                  * For TKIP, we don't know the phase 2 keys here, so same.
 995                  */
 996                 memset(txf->buf, 0xBB, txf->buflen);
 997                 return;
 998         default:
 999                 return;
1000         }
1001
1002         /* scan for key material and clear it out */
1003         match = 0;
1004         for (i = 0; i < txf->buflen; i++) {
1005                 if (txf->buf[i] != keydata[match]) {
1006                         match = 0;
1007                         continue;
1008                 }
1009                 match++;
1010                 if (match == keylen) {
1011                         memset(txf->buf + i - keylen, 0xAA, keylen);
1012                         match = 0;
1013                 }
1014         }
1015
1016         /* we're dealing with a FIFO, so check wrapped around data */
1017         matchend = match;
1018         for (i = 0; match && i < keylen - match; i++) {
1019                 if (txf->buf[i] != keydata[match])
1020                         break;
1021                 match++;
1022                 if (match == keylen) {
1023                         memset(txf->buf, 0xAA, i + 1);
1024                         memset(txf->buf + txf->buflen - matchend, 0xAA,
1025                                matchend);
1026                         break;
1027                 }
1028         }
1029 }
1030
1031 static void iwl_mvm_frob_txf(void *ctx, void *buf, size_t buflen)
1032 {
1033         struct iwl_mvm_frob_txf_data txf = {
1034                 .buf = buf,
1035                 .buflen = buflen,
1036         };
1037         struct iwl_mvm *mvm = ctx;
1038
1039         /* embedded key material exists only on old API */
1040         if (iwl_mvm_has_new_tx_api(mvm))
1041                 return;
1042
1043         rcu_read_lock();
1044         ieee80211_iter_keys_rcu(mvm->hw, NULL, iwl_mvm_frob_txf_key_iter, &txf);
1045         rcu_read_unlock();
1046 }
1047
1048 static void iwl_mvm_frob_hcmd(void *ctx, void *hcmd, size_t len)
1049 {
1050         /* we only use wide headers for commands */
1051         struct iwl_cmd_header_wide *hdr = hcmd;
1052         unsigned int frob_start = sizeof(*hdr), frob_end = 0;
1053
1054         if (len < sizeof(hdr))
1055                 return;
1056
1057         /* all the commands we care about are in LONG_GROUP */
1058         if (hdr->group_id != LONG_GROUP)
1059                 return;
1060
1061         switch (hdr->cmd) {
1062         case WEP_KEY:
1063         case WOWLAN_TKIP_PARAM:
1064         case WOWLAN_KEK_KCK_MATERIAL:
1065         case ADD_STA_KEY:
1066                 /*
1067                  * blank out everything here, easier than dealing
1068                  * with the various versions of the command
1069                  */
1070                 frob_end = INT_MAX;
1071                 break;
1072         case MGMT_MCAST_KEY:
1073                 frob_start = offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk);
1074                 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) !=
1075                              offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk));
1076
1077                 frob_end = offsetofend(struct iwl_mvm_mgmt_mcast_key_cmd, igtk);
1078                 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) <
1079                              offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk));
1080                 break;
1081         }
1082
1083         if (frob_start >= frob_end)
1084                 return;
1085
1086         if (frob_end > len)
1087                 frob_end = len;
1088
1089         memset((u8 *)hcmd + frob_start, 0xAA, frob_end - frob_start);
1090 }
1091
1092 static void iwl_mvm_frob_mem(void *ctx, u32 mem_addr, void *mem, size_t buflen)
1093 {
1094         const struct iwl_dump_exclude *excl;
1095         struct iwl_mvm *mvm = ctx;
1096         int i;
1097
1098         switch (mvm->fwrt.cur_fw_img) {
1099         case IWL_UCODE_INIT:
1100         default:
1101                 /* not relevant */
1102                 return;
1103         case IWL_UCODE_REGULAR:
1104         case IWL_UCODE_REGULAR_USNIFFER:
1105                 excl = mvm->fw->dump_excl;
1106                 break;
1107         case IWL_UCODE_WOWLAN:
1108                 excl = mvm->fw->dump_excl_wowlan;
1109                 break;
1110         }
1111
1112         BUILD_BUG_ON(sizeof(mvm->fw->dump_excl) !=
1113                      sizeof(mvm->fw->dump_excl_wowlan));
1114
1115         for (i = 0; i < ARRAY_SIZE(mvm->fw->dump_excl); i++) {
1116                 u32 start, end;
1117
1118                 if (!excl[i].addr || !excl[i].size)
1119                         continue;
1120
1121                 start = excl[i].addr;
1122                 end = start + excl[i].size;
1123
1124                 if (end <= mem_addr || start >= mem_addr + buflen)
1125                         continue;
1126
1127                 if (start < mem_addr)
1128                         start = mem_addr;
1129
1130                 if (end > mem_addr + buflen)
1131                         end = mem_addr + buflen;
1132
1133                 memset((u8 *)mem + start - mem_addr, 0xAA, end - start);
1134         }
1135 }
1136
1137 static const struct iwl_dump_sanitize_ops iwl_mvm_sanitize_ops = {
1138         .frob_txf = iwl_mvm_frob_txf,
1139         .frob_hcmd = iwl_mvm_frob_hcmd,
1140         .frob_mem = iwl_mvm_frob_mem,
1141 };
1142
1143 static void iwl_mvm_me_conn_status(void *priv, const struct iwl_mei_conn_info *conn_info)
1144 {
1145         struct iwl_mvm *mvm = priv;
1146         struct iwl_mvm_csme_conn_info *prev_conn_info, *curr_conn_info;
1147
1148         /*
1149          * This is protected by the guarantee that this function will not be
1150          * called twice on two different threads
1151          */
1152         prev_conn_info = rcu_dereference_protected(mvm->csme_conn_info, true);
1153
1154         curr_conn_info = kzalloc(sizeof(*curr_conn_info), GFP_KERNEL);
1155         if (!curr_conn_info)
1156                 return;
1157
1158         curr_conn_info->conn_info = *conn_info;
1159
1160         rcu_assign_pointer(mvm->csme_conn_info, curr_conn_info);
1161
1162         if (prev_conn_info)
1163                 kfree_rcu(prev_conn_info, rcu_head);
1164 }
1165
1166 static void iwl_mvm_mei_rfkill(void *priv, bool blocked,
1167                                bool csme_taking_ownership)
1168 {
1169         struct iwl_mvm *mvm = priv;
1170
1171         if (blocked && !csme_taking_ownership)
1172                 return;
1173
1174         mvm->mei_rfkill_blocked = blocked;
1175         if (!mvm->hw_registered)
1176                 return;
1177
1178         wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy,
1179                                          mvm->mei_rfkill_blocked,
1180                                          RFKILL_HARD_BLOCK_NOT_OWNER);
1181 }
1182
1183 static void iwl_mvm_mei_roaming_forbidden(void *priv, bool forbidden)
1184 {
1185         struct iwl_mvm *mvm = priv;
1186
1187         if (!mvm->hw_registered || !mvm->csme_vif)
1188                 return;
1189
1190         iwl_mvm_send_roaming_forbidden_event(mvm, mvm->csme_vif, forbidden);
1191 }
1192
1193 static void iwl_mvm_sap_connected_wk(struct work_struct *wk)
1194 {
1195         struct iwl_mvm *mvm =
1196                 container_of(wk, struct iwl_mvm, sap_connected_wk);
1197         int ret;
1198
1199         ret = iwl_mvm_start_get_nvm(mvm);
1200         if (ret)
1201                 goto out_free;
1202
1203         ret = iwl_mvm_start_post_nvm(mvm);
1204         if (ret)
1205                 goto out_free;
1206
1207         return;
1208
1209 out_free:
1210         IWL_ERR(mvm, "Couldn't get started...\n");
1211         iwl_mei_start_unregister();
1212         iwl_mei_unregister_complete();
1213         iwl_fw_flush_dumps(&mvm->fwrt);
1214         iwl_mvm_thermal_exit(mvm);
1215         iwl_fw_runtime_free(&mvm->fwrt);
1216         iwl_phy_db_free(mvm->phy_db);
1217         kfree(mvm->scan_cmd);
1218         iwl_trans_op_mode_leave(mvm->trans);
1219         kfree(mvm->nvm_data);
1220         kfree(mvm->mei_nvm_data);
1221
1222         ieee80211_free_hw(mvm->hw);
1223 }
1224
1225 static void iwl_mvm_mei_sap_connected(void *priv)
1226 {
1227         struct iwl_mvm *mvm = priv;
1228
1229         if (!mvm->hw_registered)
1230                 schedule_work(&mvm->sap_connected_wk);
1231 }
1232
1233 static void iwl_mvm_mei_nic_stolen(void *priv)
1234 {
1235         struct iwl_mvm *mvm = priv;
1236
1237         rtnl_lock();
1238         cfg80211_shutdown_all_interfaces(mvm->hw->wiphy);
1239         rtnl_unlock();
1240 }
1241
1242 static const struct iwl_mei_ops mei_ops = {
1243         .me_conn_status = iwl_mvm_me_conn_status,
1244         .rfkill = iwl_mvm_mei_rfkill,
1245         .roaming_forbidden = iwl_mvm_mei_roaming_forbidden,
1246         .sap_connected = iwl_mvm_mei_sap_connected,
1247         .nic_stolen = iwl_mvm_mei_nic_stolen,
1248 };
1249
1250 static void iwl_mvm_find_link_selection_vif(void *_data, u8 *mac,
1251                                             struct ieee80211_vif *vif)
1252 {
1253         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1254
1255         if (ieee80211_vif_is_mld(vif) && mvmvif->authorized)
1256                 iwl_mvm_select_links(mvmvif->mvm, vif);
1257 }
1258
1259 static void iwl_mvm_trig_link_selection(struct wiphy *wiphy,
1260                                         struct wiphy_work *wk)
1261 {
1262         struct iwl_mvm *mvm =
1263                 container_of(wk, struct iwl_mvm, trig_link_selection_wk);
1264
1265         mutex_lock(&mvm->mutex);
1266         ieee80211_iterate_active_interfaces(mvm->hw,
1267                                             IEEE80211_IFACE_ITER_NORMAL,
1268                                             iwl_mvm_find_link_selection_vif,
1269                                             NULL);
1270         mutex_unlock(&mvm->mutex);
1271 }
1272
1273 static struct iwl_op_mode *
1274 iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
1275                       const struct iwl_fw *fw, struct dentry *dbgfs_dir)
1276 {
1277         struct ieee80211_hw *hw;
1278         struct iwl_op_mode *op_mode;
1279         struct iwl_mvm *mvm;
1280         struct iwl_trans_config trans_cfg = {};
1281         static const u8 no_reclaim_cmds[] = {
1282                 TX_CMD,
1283         };
1284         u32 max_agg;
1285         size_t scan_size;
1286         u32 min_backoff;
1287         struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused;
1288
1289         /*
1290          * We use IWL_STATION_COUNT_MAX to check the validity of the station
1291          * index all over the driver - check that its value corresponds to the
1292          * array size.
1293          */
1294         BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) !=
1295                      IWL_STATION_COUNT_MAX);
1296
1297         /********************************
1298          * 1. Allocating and configuring HW data
1299          ********************************/
1300         hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) +
1301                                 sizeof(struct iwl_mvm),
1302                                 iwl_mvm_has_mld_api(fw) ? &iwl_mvm_mld_hw_ops :
1303                                 &iwl_mvm_hw_ops);
1304         if (!hw)
1305                 return NULL;
1306
1307         if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ)
1308                 max_agg = 512;
1309         else
1310                 max_agg = IEEE80211_MAX_AMPDU_BUF_HE;
1311
1312         hw->max_rx_aggregation_subframes = max_agg;
1313
1314         if (cfg->max_tx_agg_size)
1315                 hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size;
1316         else
1317                 hw->max_tx_aggregation_subframes = max_agg;
1318
1319         op_mode = hw->priv;
1320
1321         mvm = IWL_OP_MODE_GET_MVM(op_mode);
1322         mvm->dev = trans->dev;
1323         mvm->trans = trans;
1324         mvm->cfg = cfg;
1325         mvm->fw = fw;
1326         mvm->hw = hw;
1327
1328         iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm,
1329                             &iwl_mvm_sanitize_ops, mvm, dbgfs_dir);
1330
1331         iwl_mvm_get_bios_tables(mvm);
1332         iwl_uefi_get_sgom_table(trans, &mvm->fwrt);
1333         iwl_uefi_get_step_table(trans);
1334
1335         mvm->init_status = 0;
1336
1337         if (iwl_mvm_has_new_rx_api(mvm)) {
1338                 op_mode->ops = &iwl_mvm_ops_mq;
1339                 trans->rx_mpdu_cmd_hdr_size =
1340                         (trans->trans_cfg->device_family >=
1341                          IWL_DEVICE_FAMILY_AX210) ?
1342                         sizeof(struct iwl_rx_mpdu_desc) :
1343                         IWL_RX_DESC_SIZE_V1;
1344         } else {
1345                 op_mode->ops = &iwl_mvm_ops;
1346                 trans->rx_mpdu_cmd_hdr_size =
1347                         sizeof(struct iwl_rx_mpdu_res_start);
1348
1349                 if (WARN_ON(trans->num_rx_queues > 1))
1350                         goto out_free;
1351         }
1352
1353         mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0;
1354         mvm->bios_enable_puncturing = iwl_uefi_get_puncturing(&mvm->fwrt);
1355
1356         if (iwl_mvm_has_new_tx_api(mvm)) {
1357                 /*
1358                  * If we have the new TX/queue allocation API initialize them
1359                  * all to invalid numbers. We'll rewrite the ones that we need
1360                  * later, but that doesn't happen for all of them all of the
1361                  * time (e.g. P2P Device is optional), and if a dynamic queue
1362                  * ends up getting number 2 (IWL_MVM_DQA_P2P_DEVICE_QUEUE) then
1363                  * iwl_mvm_is_static_queue() erroneously returns true, and we
1364                  * might have things getting stuck.
1365                  */
1366                 mvm->aux_queue = IWL_MVM_INVALID_QUEUE;
1367                 mvm->snif_queue = IWL_MVM_INVALID_QUEUE;
1368                 mvm->probe_queue = IWL_MVM_INVALID_QUEUE;
1369                 mvm->p2p_dev_queue = IWL_MVM_INVALID_QUEUE;
1370         } else {
1371                 mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE;
1372                 mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE;
1373                 mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE;
1374                 mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE;
1375         }
1376
1377         mvm->sf_state = SF_UNINIT;
1378         if (iwl_mvm_has_unified_ucode(mvm))
1379                 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR);
1380         else
1381                 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT);
1382         mvm->drop_bcn_ap_mode = true;
1383
1384         mutex_init(&mvm->mutex);
1385         spin_lock_init(&mvm->async_handlers_lock);
1386         INIT_LIST_HEAD(&mvm->time_event_list);
1387         INIT_LIST_HEAD(&mvm->aux_roc_te_list);
1388         INIT_LIST_HEAD(&mvm->async_handlers_list);
1389         spin_lock_init(&mvm->time_event_lock);
1390         INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list);
1391         INIT_LIST_HEAD(&mvm->ftm_initiator.pasn_list);
1392         INIT_LIST_HEAD(&mvm->resp_pasn_list);
1393
1394         INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
1395         INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
1396         INIT_WORK(&mvm->sap_connected_wk, iwl_mvm_sap_connected_wk);
1397         INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work);
1398         INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk);
1399         INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk);
1400         INIT_LIST_HEAD(&mvm->add_stream_txqs);
1401         spin_lock_init(&mvm->add_stream_lock);
1402
1403         wiphy_work_init(&mvm->async_handlers_wiphy_wk,
1404                         iwl_mvm_async_handlers_wiphy_wk);
1405
1406         wiphy_work_init(&mvm->trig_link_selection_wk,
1407                         iwl_mvm_trig_link_selection);
1408
1409         init_waitqueue_head(&mvm->rx_sync_waitq);
1410
1411         mvm->queue_sync_state = 0;
1412
1413         SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);
1414
1415         spin_lock_init(&mvm->tcm.lock);
1416         INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work);
1417         mvm->tcm.ts = jiffies;
1418         mvm->tcm.ll_ts = jiffies;
1419         mvm->tcm.uapsd_nonagg_ts = jiffies;
1420
1421         INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork);
1422
1423         mvm->cmd_ver.range_resp =
1424                 iwl_fw_lookup_notif_ver(mvm->fw, LOCATION_GROUP,
1425                                         TOF_RANGE_RESPONSE_NOTIF, 5);
1426         /* we only support up to version 9 */
1427         if (WARN_ON_ONCE(mvm->cmd_ver.range_resp > 9))
1428                 goto out_free;
1429
1430         /*
1431          * Populate the state variables that the transport layer needs
1432          * to know about.
1433          */
1434         trans_cfg.op_mode = op_mode;
1435         trans_cfg.no_reclaim_cmds = no_reclaim_cmds;
1436         trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);
1437
1438         trans_cfg.rx_buf_size = iwl_amsdu_size_to_rxb_size();
1439
1440         trans->wide_cmd_header = true;
1441         trans_cfg.bc_table_dword =
1442                 mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210;
1443
1444         trans_cfg.command_groups = iwl_mvm_groups;
1445         trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups);
1446
1447         trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE;
1448         trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD;
1449         trans_cfg.scd_set_active = true;
1450
1451         trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info,
1452                                           driver_data[2]);
1453
1454         snprintf(mvm->hw->wiphy->fw_version,
1455                  sizeof(mvm->hw->wiphy->fw_version),
1456                  "%.31s", fw->fw_version);
1457
1458         trans_cfg.fw_reset_handshake = fw_has_capa(&mvm->fw->ucode_capa,
1459                                                    IWL_UCODE_TLV_CAPA_FW_RESET_HANDSHAKE);
1460
1461         trans_cfg.queue_alloc_cmd_ver =
1462                 iwl_fw_lookup_cmd_ver(mvm->fw,
1463                                       WIDE_ID(DATA_PATH_GROUP,
1464                                               SCD_QUEUE_CONFIG_CMD),
1465                                       0);
1466         mvm->sta_remove_requires_queue_remove =
1467                 trans_cfg.queue_alloc_cmd_ver > 0;
1468
1469         mvm->mld_api_is_used = iwl_mvm_has_mld_api(mvm->fw);
1470
1471         /* Configure transport layer */
1472         iwl_trans_configure(mvm->trans, &trans_cfg);
1473
1474         trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD;
1475         trans->dbg.dest_tlv = mvm->fw->dbg.dest_tlv;
1476         trans->dbg.n_dest_reg = mvm->fw->dbg.n_dest_reg;
1477         memcpy(trans->dbg.conf_tlv, mvm->fw->dbg.conf_tlv,
1478                sizeof(trans->dbg.conf_tlv));
1479         trans->dbg.trigger_tlv = mvm->fw->dbg.trigger_tlv;
1480
1481         trans->iml = mvm->fw->iml;
1482         trans->iml_len = mvm->fw->iml_len;
1483
1484         /* set up notification wait support */
1485         iwl_notification_wait_init(&mvm->notif_wait);
1486
1487         /* Init phy db */
1488         mvm->phy_db = iwl_phy_db_init(trans);
1489         if (!mvm->phy_db) {
1490                 IWL_ERR(mvm, "Cannot init phy_db\n");
1491                 goto out_free;
1492         }
1493
1494         if (iwlwifi_mod_params.nvm_file)
1495                 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
1496         else
1497                 IWL_DEBUG_EEPROM(mvm->trans->dev,
1498                                  "working without external nvm file\n");
1499
1500         scan_size = iwl_mvm_scan_size(mvm);
1501
1502         mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL);
1503         if (!mvm->scan_cmd)
1504                 goto out_free;
1505         mvm->scan_cmd_size = scan_size;
1506
1507         /* invalidate ids to prevent accidental removal of sta_id 0 */
1508         mvm->aux_sta.sta_id = IWL_MVM_INVALID_STA;
1509         mvm->snif_sta.sta_id = IWL_MVM_INVALID_STA;
1510
1511         /* Set EBS as successful as long as not stated otherwise by the FW. */
1512         mvm->last_ebs_successful = true;
1513
1514         min_backoff = iwl_mvm_min_backoff(mvm);
1515         iwl_mvm_thermal_initialize(mvm, min_backoff);
1516
1517         if (!iwl_mvm_has_new_rx_stats_api(mvm))
1518                 memset(&mvm->rx_stats_v3, 0,
1519                        sizeof(struct mvm_statistics_rx_v3));
1520         else
1521                 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));
1522
1523         iwl_mvm_ftm_initiator_smooth_config(mvm);
1524
1525         iwl_mvm_init_time_sync(&mvm->time_sync);
1526
1527         mvm->debugfs_dir = dbgfs_dir;
1528
1529         mvm->mei_registered = !iwl_mei_register(mvm, &mei_ops);
1530
1531         iwl_mvm_mei_scan_filter_init(&mvm->mei_scan_filter);
1532
1533         if (iwl_mvm_start_get_nvm(mvm)) {
1534                 /*
1535                  * Getting NVM failed while CSME is the owner, but we are
1536                  * registered to MEI, we'll get the NVM later when it'll be
1537                  * possible to get it from CSME.
1538                  */
1539                 if (trans->csme_own && mvm->mei_registered)
1540                         return op_mode;
1541
1542                 goto out_thermal_exit;
1543         }
1544
1545
1546         if (iwl_mvm_start_post_nvm(mvm))
1547                 goto out_thermal_exit;
1548
1549         return op_mode;
1550
1551  out_thermal_exit:
1552         iwl_mvm_thermal_exit(mvm);
1553         if (mvm->mei_registered) {
1554                 iwl_mei_start_unregister();
1555                 iwl_mei_unregister_complete();
1556         }
1557  out_free:
1558         iwl_fw_flush_dumps(&mvm->fwrt);
1559         iwl_fw_runtime_free(&mvm->fwrt);
1560
1561         iwl_phy_db_free(mvm->phy_db);
1562         kfree(mvm->scan_cmd);
1563         iwl_trans_op_mode_leave(trans);
1564
1565         ieee80211_free_hw(mvm->hw);
1566         return NULL;
1567 }
1568
1569 void iwl_mvm_stop_device(struct iwl_mvm *mvm)
1570 {
1571         lockdep_assert_held(&mvm->mutex);
1572
1573         iwl_fw_cancel_timestamp(&mvm->fwrt);
1574
1575         clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
1576
1577         iwl_mvm_pause_tcm(mvm, false);
1578
1579         iwl_fw_dbg_stop_sync(&mvm->fwrt);
1580         iwl_trans_stop_device(mvm->trans);
1581         iwl_free_fw_paging(&mvm->fwrt);
1582         iwl_fw_dump_conf_clear(&mvm->fwrt);
1583         iwl_mvm_mei_device_state(mvm, false);
1584 }
1585
1586 static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
1587 {
1588         struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1589         int i;
1590
1591         if (mvm->mei_registered) {
1592                 rtnl_lock();
1593                 iwl_mei_set_netdev(NULL);
1594                 rtnl_unlock();
1595                 iwl_mei_start_unregister();
1596         }
1597
1598         /*
1599          * After we unregister from mei, the worker can't be scheduled
1600          * anymore.
1601          */
1602         cancel_work_sync(&mvm->sap_connected_wk);
1603
1604         iwl_mvm_leds_exit(mvm);
1605
1606         iwl_mvm_thermal_exit(mvm);
1607
1608         /*
1609          * If we couldn't get ownership on the device and we couldn't
1610          * get the NVM from CSME, we haven't registered to mac80211.
1611          * In that case, we didn't fail op_mode_start, because we are
1612          * waiting for CSME to allow us to get the NVM to register to
1613          * mac80211. If that didn't happen, we haven't registered to
1614          * mac80211, hence the if below.
1615          */
1616         if (mvm->hw_registered)
1617                 ieee80211_unregister_hw(mvm->hw);
1618
1619         kfree(mvm->scan_cmd);
1620         kfree(mvm->mcast_filter_cmd);
1621         mvm->mcast_filter_cmd = NULL;
1622
1623         kfree(mvm->error_recovery_buf);
1624         mvm->error_recovery_buf = NULL;
1625
1626         iwl_mvm_ptp_remove(mvm);
1627
1628         iwl_trans_op_mode_leave(mvm->trans);
1629
1630         iwl_phy_db_free(mvm->phy_db);
1631         mvm->phy_db = NULL;
1632
1633         kfree(mvm->nvm_data);
1634         kfree(mvm->mei_nvm_data);
1635         kfree(rcu_access_pointer(mvm->csme_conn_info));
1636         kfree(mvm->temp_nvm_data);
1637         for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
1638                 kfree(mvm->nvm_sections[i].data);
1639         kfree(mvm->acs_survey);
1640
1641         cancel_delayed_work_sync(&mvm->tcm.work);
1642
1643         iwl_fw_runtime_free(&mvm->fwrt);
1644         mutex_destroy(&mvm->mutex);
1645
1646         if (mvm->mei_registered)
1647                 iwl_mei_unregister_complete();
1648
1649         ieee80211_free_hw(mvm->hw);
1650 }
1651
1652 struct iwl_async_handler_entry {
1653         struct list_head list;
1654         struct iwl_rx_cmd_buffer rxb;
1655         enum iwl_rx_handler_context context;
1656         void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1657 };
1658
1659 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm)
1660 {
1661         struct iwl_async_handler_entry *entry, *tmp;
1662
1663         spin_lock_bh(&mvm->async_handlers_lock);
1664         list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
1665                 iwl_free_rxb(&entry->rxb);
1666                 list_del(&entry->list);
1667                 kfree(entry);
1668         }
1669         spin_unlock_bh(&mvm->async_handlers_lock);
1670 }
1671
1672 /*
1673  * This function receives a bitmap of rx async handler contexts
1674  * (&iwl_rx_handler_context) to handle, and runs only them
1675  */
1676 static void iwl_mvm_async_handlers_by_context(struct iwl_mvm *mvm,
1677                                               u8 contexts)
1678 {
1679         struct iwl_async_handler_entry *entry, *tmp;
1680         LIST_HEAD(local_list);
1681
1682         /*
1683          * Sync with Rx path with a lock. Remove all the entries of the
1684          * wanted contexts from this list, add them to a local one (lock free),
1685          * and then handle them.
1686          */
1687         spin_lock_bh(&mvm->async_handlers_lock);
1688         list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
1689                 if (!(BIT(entry->context) & contexts))
1690                         continue;
1691                 list_del(&entry->list);
1692                 list_add_tail(&entry->list, &local_list);
1693         }
1694         spin_unlock_bh(&mvm->async_handlers_lock);
1695
1696         list_for_each_entry_safe(entry, tmp, &local_list, list) {
1697                 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED)
1698                         mutex_lock(&mvm->mutex);
1699                 entry->fn(mvm, &entry->rxb);
1700                 iwl_free_rxb(&entry->rxb);
1701                 list_del(&entry->list);
1702                 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED)
1703                         mutex_unlock(&mvm->mutex);
1704                 kfree(entry);
1705         }
1706 }
1707
1708 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy,
1709                                             struct wiphy_work *wk)
1710 {
1711         struct iwl_mvm *mvm =
1712                 container_of(wk, struct iwl_mvm, async_handlers_wiphy_wk);
1713         u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED_WIPHY);
1714
1715         iwl_mvm_async_handlers_by_context(mvm, contexts);
1716 }
1717
1718 static void iwl_mvm_async_handlers_wk(struct work_struct *wk)
1719 {
1720         struct iwl_mvm *mvm =
1721                 container_of(wk, struct iwl_mvm, async_handlers_wk);
1722         u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED) |
1723                       BIT(RX_HANDLER_ASYNC_UNLOCKED);
1724
1725         iwl_mvm_async_handlers_by_context(mvm, contexts);
1726 }
1727
1728 static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm,
1729                                             struct iwl_rx_packet *pkt)
1730 {
1731         struct iwl_fw_dbg_trigger_tlv *trig;
1732         struct iwl_fw_dbg_trigger_cmd *cmds_trig;
1733         int i;
1734
1735         trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL,
1736                                      FW_DBG_TRIGGER_FW_NOTIF);
1737         if (!trig)
1738                 return;
1739
1740         cmds_trig = (void *)trig->data;
1741
1742         for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) {
1743                 /* don't collect on CMD 0 */
1744                 if (!cmds_trig->cmds[i].cmd_id)
1745                         break;
1746
1747                 if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd ||
1748                     cmds_trig->cmds[i].group_id != pkt->hdr.group_id)
1749                         continue;
1750
1751                 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
1752                                         "CMD 0x%02x.%02x received",
1753                                         pkt->hdr.group_id, pkt->hdr.cmd);
1754                 break;
1755         }
1756 }
1757
1758 static void iwl_mvm_rx_common(struct iwl_mvm *mvm,
1759                               struct iwl_rx_cmd_buffer *rxb,
1760                               struct iwl_rx_packet *pkt)
1761 {
1762         unsigned int pkt_len = iwl_rx_packet_payload_len(pkt);
1763         int i;
1764         union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt };
1765
1766         iwl_dbg_tlv_time_point(&mvm->fwrt,
1767                                IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data);
1768         iwl_mvm_rx_check_trigger(mvm, pkt);
1769
1770         /*
1771          * Do the notification wait before RX handlers so
1772          * even if the RX handler consumes the RXB we have
1773          * access to it in the notification wait entry.
1774          */
1775         iwl_notification_wait_notify(&mvm->notif_wait, pkt);
1776
1777         for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) {
1778                 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i];
1779                 struct iwl_async_handler_entry *entry;
1780
1781                 if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd))
1782                         continue;
1783
1784                 if (IWL_FW_CHECK(mvm, pkt_len < rx_h->min_size,
1785                                  "unexpected notification 0x%04x size %d, need %d\n",
1786                                  rx_h->cmd_id, pkt_len, rx_h->min_size))
1787                         return;
1788
1789                 if (rx_h->context == RX_HANDLER_SYNC) {
1790                         rx_h->fn(mvm, rxb);
1791                         return;
1792                 }
1793
1794                 entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
1795                 /* we can't do much... */
1796                 if (!entry)
1797                         return;
1798
1799                 entry->rxb._page = rxb_steal_page(rxb);
1800                 entry->rxb._offset = rxb->_offset;
1801                 entry->rxb._rx_page_order = rxb->_rx_page_order;
1802                 entry->fn = rx_h->fn;
1803                 entry->context = rx_h->context;
1804                 spin_lock(&mvm->async_handlers_lock);
1805                 list_add_tail(&entry->list, &mvm->async_handlers_list);
1806                 spin_unlock(&mvm->async_handlers_lock);
1807                 if (rx_h->context == RX_HANDLER_ASYNC_LOCKED_WIPHY)
1808                         wiphy_work_queue(mvm->hw->wiphy,
1809                                          &mvm->async_handlers_wiphy_wk);
1810                 else
1811                         schedule_work(&mvm->async_handlers_wk);
1812                 break;
1813         }
1814 }
1815
1816 static void iwl_mvm_rx(struct iwl_op_mode *op_mode,
1817                        struct napi_struct *napi,
1818                        struct iwl_rx_cmd_buffer *rxb)
1819 {
1820         struct iwl_rx_packet *pkt = rxb_addr(rxb);
1821         struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1822         u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1823
1824         if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1825                 iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
1826         else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD))
1827                 iwl_mvm_rx_rx_phy_cmd(mvm, rxb);
1828         else
1829                 iwl_mvm_rx_common(mvm, rxb, pkt);
1830 }
1831
1832 void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode,
1833                    struct napi_struct *napi,
1834                    struct iwl_rx_cmd_buffer *rxb)
1835 {
1836         struct iwl_rx_packet *pkt = rxb_addr(rxb);
1837         struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1838         u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1839
1840         if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1841                 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0);
1842         else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
1843                                          RX_QUEUES_NOTIFICATION)))
1844                 iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0);
1845         else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))
1846                 iwl_mvm_rx_frame_release(mvm, napi, rxb, 0);
1847         else if (cmd == WIDE_ID(LEGACY_GROUP, BAR_FRAME_RELEASE))
1848                 iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0);
1849         else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF))
1850                 iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0);
1851         else
1852                 iwl_mvm_rx_common(mvm, rxb, pkt);
1853 }
1854
1855 static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue)
1856 {
1857         return queue == mvm->aux_queue || queue == mvm->probe_queue ||
1858                 queue == mvm->p2p_dev_queue || queue == mvm->snif_queue;
1859 }
1860
1861 static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode,
1862                                        int hw_queue, bool start)
1863 {
1864         struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1865         struct ieee80211_sta *sta;
1866         struct ieee80211_txq *txq;
1867         struct iwl_mvm_txq *mvmtxq;
1868         int i;
1869         unsigned long tid_bitmap;
1870         struct iwl_mvm_sta *mvmsta;
1871         u8 sta_id;
1872
1873         sta_id = iwl_mvm_has_new_tx_api(mvm) ?
1874                 mvm->tvqm_info[hw_queue].sta_id :
1875                 mvm->queue_info[hw_queue].ra_sta_id;
1876
1877         if (WARN_ON_ONCE(sta_id >= mvm->fw->ucode_capa.num_stations))
1878                 return;
1879
1880         rcu_read_lock();
1881
1882         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
1883         if (IS_ERR_OR_NULL(sta))
1884                 goto out;
1885         mvmsta = iwl_mvm_sta_from_mac80211(sta);
1886
1887         if (iwl_mvm_is_static_queue(mvm, hw_queue)) {
1888                 if (!start)
1889                         ieee80211_stop_queues(mvm->hw);
1890                 else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST)
1891                         ieee80211_wake_queues(mvm->hw);
1892
1893                 goto out;
1894         }
1895
1896         if (iwl_mvm_has_new_tx_api(mvm)) {
1897                 int tid = mvm->tvqm_info[hw_queue].txq_tid;
1898
1899                 tid_bitmap = BIT(tid);
1900         } else {
1901                 tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap;
1902         }
1903
1904         for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) {
1905                 int tid = i;
1906
1907                 if (tid == IWL_MAX_TID_COUNT)
1908                         tid = IEEE80211_NUM_TIDS;
1909
1910                 txq = sta->txq[tid];
1911                 mvmtxq = iwl_mvm_txq_from_mac80211(txq);
1912                 if (start)
1913                         clear_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state);
1914                 else
1915                         set_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state);
1916
1917                 if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST) {
1918                         local_bh_disable();
1919                         iwl_mvm_mac_itxq_xmit(mvm->hw, txq);
1920                         local_bh_enable();
1921                 }
1922         }
1923
1924 out:
1925         rcu_read_unlock();
1926 }
1927
1928 static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1929 {
1930         iwl_mvm_queue_state_change(op_mode, hw_queue, false);
1931 }
1932
1933 static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1934 {
1935         iwl_mvm_queue_state_change(op_mode, hw_queue, true);
1936 }
1937
1938 static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm)
1939 {
1940         wiphy_rfkill_set_hw_state(mvm->hw->wiphy,
1941                                   iwl_mvm_is_radio_killed(mvm));
1942 }
1943
1944 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
1945 {
1946         if (state)
1947                 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1948         else
1949                 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1950
1951         iwl_mvm_set_rfkill_state(mvm);
1952 }
1953
1954 struct iwl_mvm_csme_conn_info *iwl_mvm_get_csme_conn_info(struct iwl_mvm *mvm)
1955 {
1956         return rcu_dereference_protected(mvm->csme_conn_info,
1957                                          lockdep_is_held(&mvm->mutex));
1958 }
1959
1960 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
1961 {
1962         struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1963         bool rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done);
1964         bool unified = iwl_mvm_has_unified_ucode(mvm);
1965
1966         if (state)
1967                 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1968         else
1969                 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1970
1971         iwl_mvm_set_rfkill_state(mvm);
1972
1973          /* iwl_run_init_mvm_ucode is waiting for results, abort it. */
1974         if (rfkill_safe_init_done)
1975                 iwl_abort_notification_waits(&mvm->notif_wait);
1976
1977         /*
1978          * Don't ask the transport to stop the firmware. We'll do it
1979          * after cfg80211 takes us down.
1980          */
1981         if (unified)
1982                 return false;
1983
1984         /*
1985          * Stop the device if we run OPERATIONAL firmware or if we are in the
1986          * middle of the calibrations.
1987          */
1988         return state && rfkill_safe_init_done;
1989 }
1990
1991 static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
1992 {
1993         struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1994         struct ieee80211_tx_info *info;
1995
1996         info = IEEE80211_SKB_CB(skb);
1997         iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
1998         ieee80211_free_txskb(mvm->hw, skb);
1999 }
2000
2001 struct iwl_mvm_reprobe {
2002         struct device *dev;
2003         struct work_struct work;
2004 };
2005
2006 static void iwl_mvm_reprobe_wk(struct work_struct *wk)
2007 {
2008         struct iwl_mvm_reprobe *reprobe;
2009
2010         reprobe = container_of(wk, struct iwl_mvm_reprobe, work);
2011         if (device_reprobe(reprobe->dev))
2012                 dev_err(reprobe->dev, "reprobe failed!\n");
2013         put_device(reprobe->dev);
2014         kfree(reprobe);
2015         module_put(THIS_MODULE);
2016 }
2017
2018 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
2019 {
2020         iwl_abort_notification_waits(&mvm->notif_wait);
2021         iwl_dbg_tlv_del_timers(mvm->trans);
2022
2023         /*
2024          * This is a bit racy, but worst case we tell mac80211 about
2025          * a stopped/aborted scan when that was already done which
2026          * is not a problem. It is necessary to abort any os scan
2027          * here because mac80211 requires having the scan cleared
2028          * before restarting.
2029          * We'll reset the scan_status to NONE in restart cleanup in
2030          * the next start() call from mac80211. If restart isn't called
2031          * (no fw restart) scan status will stay busy.
2032          */
2033         iwl_mvm_report_scan_aborted(mvm);
2034
2035         /*
2036          * If we're restarting already, don't cycle restarts.
2037          * If INIT fw asserted, it will likely fail again.
2038          * If WoWLAN fw asserted, don't restart either, mac80211
2039          * can't recover this since we're already half suspended.
2040          */
2041         if (!mvm->fw_restart && fw_error) {
2042                 iwl_fw_error_collect(&mvm->fwrt, false);
2043         } else if (test_bit(IWL_MVM_STATUS_STARTING,
2044                             &mvm->status)) {
2045                 IWL_ERR(mvm, "Starting mac, retry will be triggered anyway\n");
2046         } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
2047                 struct iwl_mvm_reprobe *reprobe;
2048
2049                 IWL_ERR(mvm,
2050                         "Firmware error during reconfiguration - reprobe!\n");
2051
2052                 /*
2053                  * get a module reference to avoid doing this while unloading
2054                  * anyway and to avoid scheduling a work with code that's
2055                  * being removed.
2056                  */
2057                 if (!try_module_get(THIS_MODULE)) {
2058                         IWL_ERR(mvm, "Module is being unloaded - abort\n");
2059                         return;
2060                 }
2061
2062                 reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC);
2063                 if (!reprobe) {
2064                         module_put(THIS_MODULE);
2065                         return;
2066                 }
2067                 reprobe->dev = get_device(mvm->trans->dev);
2068                 INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk);
2069                 schedule_work(&reprobe->work);
2070         } else if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
2071                             &mvm->status)) {
2072                 IWL_ERR(mvm, "HW restart already requested, but not started\n");
2073         } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR &&
2074                    mvm->hw_registered &&
2075                    !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) {
2076                 /* This should be first thing before trying to collect any
2077                  * data to avoid endless loops if any HW error happens while
2078                  * collecting debug data.
2079                  */
2080                 set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);
2081
2082                 if (mvm->fw->ucode_capa.error_log_size) {
2083                         u32 src_size = mvm->fw->ucode_capa.error_log_size;
2084                         u32 src_addr = mvm->fw->ucode_capa.error_log_addr;
2085                         u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC);
2086
2087                         if (recover_buf) {
2088                                 mvm->error_recovery_buf = recover_buf;
2089                                 iwl_trans_read_mem_bytes(mvm->trans,
2090                                                          src_addr,
2091                                                          recover_buf,
2092                                                          src_size);
2093                         }
2094                 }
2095
2096                 iwl_fw_error_collect(&mvm->fwrt, false);
2097
2098                 if (fw_error && mvm->fw_restart > 0) {
2099                         mvm->fw_restart--;
2100                         ieee80211_restart_hw(mvm->hw);
2101                 } else if (mvm->fwrt.trans->dbg.restart_required) {
2102                         IWL_DEBUG_INFO(mvm, "FW restart requested after debug collection\n");
2103                         mvm->fwrt.trans->dbg.restart_required = false;
2104                         ieee80211_restart_hw(mvm->hw);
2105                 } else if (mvm->trans->trans_cfg->device_family <= IWL_DEVICE_FAMILY_8000) {
2106                         ieee80211_restart_hw(mvm->hw);
2107                 }
2108         }
2109 }
2110
2111 static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode, bool sync)
2112 {
2113         struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2114
2115         if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status) &&
2116             !test_and_clear_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE,
2117                                 &mvm->status))
2118                 iwl_mvm_dump_nic_error_log(mvm);
2119
2120         if (sync) {
2121                 iwl_fw_error_collect(&mvm->fwrt, true);
2122                 /*
2123                  * Currently, the only case for sync=true is during
2124                  * shutdown, so just stop in this case. If/when that
2125                  * changes, we need to be a bit smarter here.
2126                  */
2127                 return;
2128         }
2129
2130         /*
2131          * If the firmware crashes while we're already considering it
2132          * to be dead then don't ask for a restart, that cannot do
2133          * anything useful anyway.
2134          */
2135         if (!test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status))
2136                 return;
2137
2138         iwl_mvm_nic_restart(mvm, false);
2139 }
2140
2141 static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode)
2142 {
2143         struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2144
2145         WARN_ON(1);
2146         iwl_mvm_nic_restart(mvm, true);
2147 }
2148
2149 static void iwl_op_mode_mvm_time_point(struct iwl_op_mode *op_mode,
2150                                        enum iwl_fw_ini_time_point tp_id,
2151                                        union iwl_dbg_tlv_tp_data *tp_data)
2152 {
2153         struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2154
2155         iwl_dbg_tlv_time_point(&mvm->fwrt, tp_id, tp_data);
2156 }
2157
2158 #ifdef CONFIG_PM_SLEEP
2159 static void iwl_op_mode_mvm_device_powered_off(struct iwl_op_mode *op_mode)
2160 {
2161         struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2162
2163         mutex_lock(&mvm->mutex);
2164         clear_bit(IWL_MVM_STATUS_IN_D3, &mvm->status);
2165         mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_DISABLED;
2166         iwl_mvm_stop_device(mvm);
2167         mvm->fast_resume = false;
2168         mutex_unlock(&mvm->mutex);
2169 }
2170 #else
2171 static void iwl_op_mode_mvm_device_powered_off(struct iwl_op_mode *op_mode)
2172 {}
2173 #endif
2174
2175 #define IWL_MVM_COMMON_OPS                                      \
2176         /* these could be differentiated */                     \
2177         .queue_full = iwl_mvm_stop_sw_queue,                    \
2178         .queue_not_full = iwl_mvm_wake_sw_queue,                \
2179         .hw_rf_kill = iwl_mvm_set_hw_rfkill_state,              \
2180         .free_skb = iwl_mvm_free_skb,                           \
2181         .nic_error = iwl_mvm_nic_error,                         \
2182         .cmd_queue_full = iwl_mvm_cmd_queue_full,               \
2183         .nic_config = iwl_mvm_nic_config,                       \
2184         /* as we only register one, these MUST be common! */    \
2185         .start = iwl_op_mode_mvm_start,                         \
2186         .stop = iwl_op_mode_mvm_stop,                           \
2187         .time_point = iwl_op_mode_mvm_time_point,               \
2188         .device_powered_off = iwl_op_mode_mvm_device_powered_off
2189
2190 static const struct iwl_op_mode_ops iwl_mvm_ops = {
2191         IWL_MVM_COMMON_OPS,
2192         .rx = iwl_mvm_rx,
2193 };
2194
2195 static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode,
2196                               struct napi_struct *napi,
2197                               struct iwl_rx_cmd_buffer *rxb,
2198                               unsigned int queue)
2199 {
2200         struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
2201         struct iwl_rx_packet *pkt = rxb_addr(rxb);
2202         u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
2203
2204         if (unlikely(queue >= mvm->trans->num_rx_queues))
2205                 return;
2206
2207         if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)))
2208                 iwl_mvm_rx_frame_release(mvm, napi, rxb, queue);
2209         else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
2210                                          RX_QUEUES_NOTIFICATION)))
2211                 iwl_mvm_rx_queue_notif(mvm, napi, rxb, queue);
2212         else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
2213                 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue);
2214 }
2215
2216 static const struct iwl_op_mode_ops iwl_mvm_ops_mq = {
2217         IWL_MVM_COMMON_OPS,
2218         .rx = iwl_mvm_rx_mq,
2219         .rx_rss = iwl_mvm_rx_mq_rss,
2220 };