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