diff options
Diffstat (limited to '')
-rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 274 |
1 files changed, 204 insertions, 70 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 61618f607927..ebed82c590e5 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -146,6 +146,70 @@ static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode) ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); } +static void iwl_mvm_rx_monitor_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_datapath_monitor_notif *notif = (void *)pkt->data; + struct ieee80211_supported_band *sband; + const struct ieee80211_sta_he_cap *he_cap; + struct ieee80211_vif *vif; + + if (notif->type != cpu_to_le32(IWL_DP_MON_NOTIF_TYPE_EXT_CCA)) + return; + + vif = iwl_mvm_get_vif_by_macid(mvm, notif->mac_id); + if (!vif || vif->type != NL80211_IFTYPE_STATION) + return; + + if (!vif->bss_conf.chandef.chan || + vif->bss_conf.chandef.chan->band != NL80211_BAND_2GHZ || + vif->bss_conf.chandef.width < NL80211_CHAN_WIDTH_40) + return; + + if (!vif->bss_conf.assoc) + return; + + /* this shouldn't happen *again*, ignore it */ + if (mvm->cca_40mhz_workaround) + return; + + /* + * We'll decrement this on disconnect - so set to 2 since we'll + * still have to disconnect from the current AP first. + */ + mvm->cca_40mhz_workaround = 2; + + /* + * This capability manipulation isn't really ideal, but it's the + * easiest choice - otherwise we'd have to do some major changes + * in mac80211 to support this, which isn't worth it. This does + * mean that userspace may have outdated information, but that's + * actually not an issue at all. + */ + sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; + + WARN_ON(!sband->ht_cap.ht_supported); + WARN_ON(!(sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)); + sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; + + he_cap = ieee80211_get_he_iftype_cap(sband, + ieee80211_vif_type_p2p(vif)); + + if (he_cap) { + /* we know that ours is writable */ + struct ieee80211_sta_he_cap *he = (void *)he_cap; + + WARN_ON(!he->has_he); + WARN_ON(!(he->he_cap_elem.phy_cap_info[0] & + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)); + he->he_cap_elem.phy_cap_info[0] &= + ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; + } + + ieee80211_disconnect(vif, true); +} + /** * enum iwl_rx_handler_context context for Rx handler * @RX_HANDLER_SYNC : this means that it will be called in the Rx path @@ -169,15 +233,21 @@ enum iwl_rx_handler_context { * @fn: the function is called when notification is received */ struct iwl_rx_handlers { - u16 cmd_id; + u16 cmd_id, min_size; enum iwl_rx_handler_context context; void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); }; -#define RX_HANDLER(_cmd_id, _fn, _context) \ - { .cmd_id = _cmd_id, .fn = _fn, .context = _context } -#define RX_HANDLER_GRP(_grp, _cmd, _fn, _context) \ - { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context } +#define RX_HANDLER_NO_SIZE(_cmd_id, _fn, _context) \ + { .cmd_id = _cmd_id, .fn = _fn, .context = _context, } +#define RX_HANDLER_GRP_NO_SIZE(_grp, _cmd, _fn, _context) \ + { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context, } +#define RX_HANDLER(_cmd_id, _fn, _context, _struct) \ + { .cmd_id = _cmd_id, .fn = _fn, \ + .context = _context, .min_size = sizeof(_struct), } +#define RX_HANDLER_GRP(_grp, _cmd, _fn, _context, _struct) \ + { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, \ + .context = _context, .min_size = sizeof(_struct), } /* * Handlers for fw notifications @@ -187,85 +257,107 @@ struct iwl_rx_handlers { * The handler can be one from three contexts, see &iwl_rx_handler_context */ static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { - RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC), - RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC), + RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC, + struct iwl_mvm_tx_resp), + RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC, + struct iwl_mvm_ba_notif), RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF, - iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC), + iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC, + struct iwl_tlc_update_notif), RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif, - RX_HANDLER_ASYNC_LOCKED), - RX_HANDLER(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, - RX_HANDLER_ASYNC_LOCKED), - RX_HANDLER(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, - RX_HANDLER_ASYNC_LOCKED), + RX_HANDLER_ASYNC_LOCKED, struct iwl_bt_coex_profile_notif), + RX_HANDLER_NO_SIZE(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, + RX_HANDLER_ASYNC_LOCKED), + RX_HANDLER_NO_SIZE(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, + RX_HANDLER_ASYNC_LOCKED), RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID, - iwl_mvm_window_status_notif, RX_HANDLER_SYNC), + iwl_mvm_window_status_notif, RX_HANDLER_SYNC, + struct iwl_ba_window_status_notif), RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, - RX_HANDLER_SYNC), + RX_HANDLER_SYNC, struct iwl_time_event_notif), RX_HANDLER_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF, - iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC), + iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC, + struct iwl_mvm_session_prot_notif), RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc, - RX_HANDLER_ASYNC_LOCKED), + RX_HANDLER_ASYNC_LOCKED, struct iwl_mcc_chub_notif), - RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC), + RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC, + struct iwl_mvm_eosp_notification), RX_HANDLER(SCAN_ITERATION_COMPLETE, - iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC), + iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC, + struct iwl_lmac_scan_complete_notif), RX_HANDLER(SCAN_OFFLOAD_COMPLETE, iwl_mvm_rx_lmac_scan_complete_notif, - RX_HANDLER_ASYNC_LOCKED), - RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_scan_match_found, - RX_HANDLER_SYNC), + RX_HANDLER_ASYNC_LOCKED, struct iwl_periodic_scan_complete), + RX_HANDLER_NO_SIZE(MATCH_FOUND_NOTIFICATION, + iwl_mvm_rx_scan_match_found, + RX_HANDLER_SYNC), RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif, - RX_HANDLER_ASYNC_LOCKED), + RX_HANDLER_ASYNC_LOCKED, struct iwl_umac_scan_complete), RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC, - iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC), + iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC, + struct iwl_umac_scan_iter_complete_notif), RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif, - RX_HANDLER_SYNC), + RX_HANDLER_SYNC, struct iwl_card_state_notif), RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif, - RX_HANDLER_SYNC), + RX_HANDLER_SYNC, struct iwl_missed_beacons_notif), - RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC), + RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC, + struct iwl_error_resp), RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION, - iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC), - RX_HANDLER(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, - RX_HANDLER_ASYNC_LOCKED), - RX_HANDLER_GRP(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE, - iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED), + iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC, + struct iwl_uapsd_misbehaving_ap_notif), + RX_HANDLER_NO_SIZE(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, + RX_HANDLER_ASYNC_LOCKED), + RX_HANDLER_GRP_NO_SIZE(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE, + iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED), RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION, - iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC), + iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC, + struct ct_kill_notif), RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif, - RX_HANDLER_ASYNC_LOCKED), + RX_HANDLER_ASYNC_LOCKED, + struct iwl_tdls_channel_switch_notif), RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, - RX_HANDLER_SYNC), + RX_HANDLER_SYNC, struct iwl_mfuart_load_notif_v1), RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS, - iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED), + iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED, + struct iwl_ftm_responder_stats), - RX_HANDLER_GRP(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF, - iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED), - RX_HANDLER_GRP(LOCATION_GROUP, TOF_LC_NOTIF, - iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED), + RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF, + iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED), + RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_LC_NOTIF, + iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED), RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF, - iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC), + iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC, + struct iwl_mfu_assert_dump_notif), RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF, - iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC), + iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC, + struct iwl_stored_beacon_notif), RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF, - iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC), + iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC, + struct iwl_mu_group_mgmt_notif), RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF, - iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC), + iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC, + struct iwl_mvm_pm_state_notification), RX_HANDLER_GRP(MAC_CONF_GROUP, PROBE_RESPONSE_DATA_NOTIF, iwl_mvm_probe_resp_data_notif, - RX_HANDLER_ASYNC_LOCKED), + RX_HANDLER_ASYNC_LOCKED, + struct iwl_probe_resp_data_notif), RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_NOA_NOTIF, iwl_mvm_channel_switch_noa_notif, - RX_HANDLER_SYNC), + RX_HANDLER_SYNC, struct iwl_channel_switch_noa_notif), + RX_HANDLER_GRP(DATA_PATH_GROUP, MONITOR_NOTIF, + iwl_mvm_rx_monitor_notif, RX_HANDLER_ASYNC_LOCKED, + struct iwl_datapath_monitor_notif), }; #undef RX_HANDLER #undef RX_HANDLER_GRP @@ -410,6 +502,7 @@ static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = { HCMD_NAME(RFH_QUEUE_CONFIG_CMD), HCMD_NAME(TLC_MNG_CONFIG_CMD), HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD), + HCMD_NAME(MONITOR_NOTIF), HCMD_NAME(STA_PM_NOTIF), HCMD_NAME(MU_GROUP_MGMT_NOTIF), HCMD_NAME(RX_QUEUES_NOTIFICATION), @@ -552,6 +645,44 @@ static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = { .d3_debug_enable = iwl_mvm_d3_debug_enable, }; +static int iwl_mvm_start_get_nvm(struct iwl_mvm *mvm) +{ + int ret; + + mutex_lock(&mvm->mutex); + + ret = iwl_run_init_mvm_ucode(mvm); + + if (ret && ret != -ERFKILL) + iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER); + + if (!iwlmvm_mod_params.init_dbg || !ret) + iwl_mvm_stop_device(mvm); + + mutex_unlock(&mvm->mutex); + + if (ret < 0) + IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret); + + return ret; +} + +static int iwl_mvm_start_post_nvm(struct iwl_mvm *mvm) +{ + int ret; + + iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx); + + ret = iwl_mvm_mac_setup_register(mvm); + if (ret) + return ret; + mvm->hw_registered = true; + + iwl_mvm_dbgfs_register(mvm); + + return 0; +} + static struct iwl_op_mode * iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, const struct iwl_fw *fw, struct dentry *dbgfs_dir) @@ -773,18 +904,6 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, if (err) goto out_free; - mutex_lock(&mvm->mutex); - err = iwl_run_init_mvm_ucode(mvm); - if (err && err != -ERFKILL) - iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER); - if (!iwlmvm_mod_params.init_dbg || !err) - iwl_mvm_stop_device(mvm); - mutex_unlock(&mvm->mutex); - if (err < 0) { - IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err); - goto out_free; - } - scan_size = iwl_mvm_scan_size(mvm); mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL); @@ -798,26 +917,27 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, /* Set EBS as successful as long as not stated otherwise by the FW. */ mvm->last_ebs_successful = true; - err = iwl_mvm_mac_setup_register(mvm); - if (err) - goto out_free; - mvm->hw_registered = true; - min_backoff = iwl_mvm_min_backoff(mvm); iwl_mvm_thermal_initialize(mvm, min_backoff); - iwl_mvm_dbgfs_register(mvm, dbgfs_dir); - if (!iwl_mvm_has_new_rx_stats_api(mvm)) memset(&mvm->rx_stats_v3, 0, sizeof(struct mvm_statistics_rx_v3)); else memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx)); - iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx); + mvm->debugfs_dir = dbgfs_dir; + + if (iwl_mvm_start_get_nvm(mvm)) + goto out_thermal_exit; + + if (iwl_mvm_start_post_nvm(mvm)) + goto out_thermal_exit; return op_mode; + out_thermal_exit: + iwl_mvm_thermal_exit(mvm); out_free: iwl_fw_flush_dumps(&mvm->fwrt); iwl_fw_runtime_free(&mvm->fwrt); @@ -964,6 +1084,7 @@ static void iwl_mvm_rx_common(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, struct iwl_rx_packet *pkt) { + unsigned int pkt_len = iwl_rx_packet_payload_len(pkt); int i; union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt }; @@ -985,6 +1106,9 @@ static void iwl_mvm_rx_common(struct iwl_mvm *mvm, if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd)) continue; + if (unlikely(pkt_len < rx_h->min_size)) + return; + if (rx_h->context == RX_HANDLER_SYNC) { rx_h->fn(mvm, rxb); return; @@ -1024,9 +1148,9 @@ static void iwl_mvm_rx(struct iwl_op_mode *op_mode, iwl_mvm_rx_common(mvm, rxb, pkt); } -static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode, - struct napi_struct *napi, - struct iwl_rx_cmd_buffer *rxb) +void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode, + struct napi_struct *napi, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); @@ -1315,6 +1439,15 @@ static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode) iwl_mvm_nic_restart(mvm, true); } +static void iwl_op_mode_mvm_time_point(struct iwl_op_mode *op_mode, + enum iwl_fw_ini_time_point tp_id, + union iwl_dbg_tlv_tp_data *tp_data) +{ + struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); + + iwl_dbg_tlv_time_point(&mvm->fwrt, tp_id, tp_data); +} + #define IWL_MVM_COMMON_OPS \ /* these could be differentiated */ \ .async_cb = iwl_mvm_async_cb, \ @@ -1327,7 +1460,8 @@ static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode) .nic_config = iwl_mvm_nic_config, \ /* as we only register one, these MUST be common! */ \ .start = iwl_op_mode_mvm_start, \ - .stop = iwl_op_mode_mvm_stop + .stop = iwl_op_mode_mvm_stop, \ + .time_point = iwl_op_mode_mvm_time_point static const struct iwl_op_mode_ops iwl_mvm_ops = { IWL_MVM_COMMON_OPS, |