X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=drivers%2Fnet%2Fwireless%2Fintel%2Fiwlwifi%2Fmvm%2Fops.c;h=632b1dc552a01675b24c030482d7b2c0b0c7d9a0;hb=58035432d60616cc2ef6514a3d0e6d6ad01bf705;hp=e80be9a595207bcf962551cc2bde42d14b898a03;hpb=ee0140dc8ffc89bdc7b74a858089d5a75a654b4a;p=cascardo%2Flinux.git diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index e80be9a59520..632b1dc552a0 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -33,6 +33,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH + * Copyright(c) 2016 Intel Deutschland GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -204,70 +205,107 @@ static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode) ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); } +/** + * enum iwl_rx_handler_context context for Rx handler + * @RX_HANDLER_SYNC : this means that it will be called in the Rx path + * which can't acquire mvm->mutex. + * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex + * (and only in this case!), it should be set as ASYNC. In that case, + * it will be called from a worker with mvm->mutex held. + * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the + * mutex itself, it will be called from a worker without mvm->mutex held. + */ +enum iwl_rx_handler_context { + RX_HANDLER_SYNC, + RX_HANDLER_ASYNC_LOCKED, + RX_HANDLER_ASYNC_UNLOCKED, +}; + +/** + * struct iwl_rx_handlers handler for FW notification + * @cmd_id: command id + * @context: see &iwl_rx_handler_context + * @fn: the function is called when notification is received + */ struct iwl_rx_handlers { u16 cmd_id; - bool async; + enum iwl_rx_handler_context context; void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); }; -#define RX_HANDLER(_cmd_id, _fn, _async) \ - { .cmd_id = _cmd_id , .fn = _fn , .async = _async } -#define RX_HANDLER_GRP(_grp, _cmd, _fn, _async) \ - { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .async = _async } +#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 } /* * Handlers for fw notifications * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME * This list should be in order of frequency for performance purposes. * - * The handler can be SYNC - this means that it will be called in the Rx path - * which can't acquire mvm->mutex. If the handler needs to hold mvm->mutex (and - * only in this case!), it should be set as ASYNC. In that case, it will be - * called from a worker with mvm->mutex held. + * 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, false), - RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, false), - - RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif, true), - RX_HANDLER(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, true), - RX_HANDLER(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, true), + 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(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(ANTENNA_COUPLING_NOTIFICATION, - iwl_mvm_rx_ant_coupling_notif, true), + iwl_mvm_rx_ant_coupling_notif, RX_HANDLER_ASYNC_LOCKED), + + RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID, + iwl_mvm_window_status_notif, RX_HANDLER_SYNC), - RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, false), - RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc, true), + RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, + RX_HANDLER_SYNC), + RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc, + RX_HANDLER_ASYNC_LOCKED), - RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, false), + RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC), RX_HANDLER(SCAN_ITERATION_COMPLETE, - iwl_mvm_rx_lmac_scan_iter_complete_notif, false), + iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC), RX_HANDLER(SCAN_OFFLOAD_COMPLETE, - iwl_mvm_rx_lmac_scan_complete_notif, true), + iwl_mvm_rx_lmac_scan_complete_notif, + RX_HANDLER_ASYNC_LOCKED), RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_scan_match_found, - false), + RX_HANDLER_SYNC), RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif, - true), + RX_HANDLER_ASYNC_LOCKED), RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC, - iwl_mvm_rx_umac_scan_iter_complete_notif, false), + iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC), - RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif, false), + RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif, + RX_HANDLER_SYNC), RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif, - false), + RX_HANDLER_SYNC), - RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, false), + RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC), RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION, - iwl_mvm_power_uapsd_misbehaving_ap_notif, false), - RX_HANDLER(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, true), + 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, true), + 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), RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif, - true), - RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, false), - RX_HANDLER(TOF_NOTIFICATION, iwl_mvm_tof_resp_handler, true), - + RX_HANDLER_ASYNC_LOCKED), + RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, + RX_HANDLER_SYNC), + RX_HANDLER(TOF_NOTIFICATION, iwl_mvm_tof_resp_handler, + RX_HANDLER_ASYNC_LOCKED), + RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF, + iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC), + RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF, + iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC), }; #undef RX_HANDLER #undef RX_HANDLER_GRP @@ -289,6 +327,7 @@ static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = { HCMD_NAME(SCAN_COMPLETE_UMAC), HCMD_NAME(TOF_CMD), HCMD_NAME(TOF_NOTIFICATION), + HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID), HCMD_NAME(ADD_STA_KEY), HCMD_NAME(ADD_STA), HCMD_NAME(REMOVE_STA), @@ -344,6 +383,7 @@ static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = { HCMD_NAME(MAC_PM_POWER_TABLE), HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION), HCMD_NAME(MFUART_LOAD_NOTIFICATION), + HCMD_NAME(RSS_CONFIG_CMD), HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC), HCMD_NAME(REPLY_RX_PHY_CMD), HCMD_NAME(REPLY_RX_MPDU_CMD), @@ -378,21 +418,60 @@ static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = { HCMD_NAME(REPLY_DEBUG_CMD), }; +/* Please keep this array *SORTED* by hex value. + * Access is done through binary search + */ +static const struct iwl_hcmd_names iwl_mvm_system_names[] = { + HCMD_NAME(SHARED_MEM_CFG_CMD), +}; + +/* Please keep this array *SORTED* by hex value. + * Access is done through binary search + */ +static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = { + HCMD_NAME(LINK_QUALITY_MEASUREMENT_CMD), + HCMD_NAME(LINK_QUALITY_MEASUREMENT_COMPLETE_NOTIF), + HCMD_NAME(CHANNEL_SWITCH_NOA_NOTIF), +}; + /* Please keep this array *SORTED* by hex value. * Access is done through binary search */ static const struct iwl_hcmd_names iwl_mvm_phy_names[] = { HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE), + HCMD_NAME(CTDP_CONFIG_CMD), + HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD), + HCMD_NAME(CT_KILL_NOTIFICATION), HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE), }; +/* Please keep this array *SORTED* by hex value. + * Access is done through binary search + */ +static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = { + HCMD_NAME(UPDATE_MU_GROUPS_CMD), + HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD), + HCMD_NAME(MU_GROUP_MGMT_NOTIF), + HCMD_NAME(RX_QUEUES_NOTIFICATION), +}; + +/* Please keep this array *SORTED* by hex value. + * Access is done through binary search + */ +static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = { + HCMD_NAME(STORED_BEACON_NTF), +}; + static const struct iwl_hcmd_arr iwl_mvm_groups[] = { [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), + [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names), + [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names), [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names), + [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names), + [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names), }; - /* this forward declaration can avoid to export the function */ static void iwl_mvm_async_handlers_wk(struct work_struct *wk); static void iwl_mvm_d0i3_exit_work(struct work_struct *wk); @@ -416,6 +495,29 @@ static u32 calc_min_backoff(struct iwl_trans *trans, const struct iwl_cfg *cfg) static void iwl_mvm_fw_error_dump_wk(struct work_struct *work); +static void iwl_mvm_tx_unblock_dwork(struct work_struct *work) +{ + struct iwl_mvm *mvm = + container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work); + struct ieee80211_vif *tx_blocked_vif; + struct iwl_mvm_vif *mvmvif; + + mutex_lock(&mvm->mutex); + + tx_blocked_vif = + rcu_dereference_protected(mvm->csa_tx_blocked_vif, + lockdep_is_held(&mvm->mutex)); + + if (!tx_blocked_vif) + goto unlock; + + mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif); + iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false); + RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); +unlock: + mutex_unlock(&mvm->mutex); +} + 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) @@ -463,8 +565,11 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, if (iwl_mvm_has_new_rx_api(mvm)) { op_mode->ops = &iwl_mvm_ops_mq; + trans->rx_mpdu_cmd_hdr_size = sizeof(struct iwl_rx_mpdu_desc); } else { op_mode->ops = &iwl_mvm_ops; + trans->rx_mpdu_cmd_hdr_size = + sizeof(struct iwl_rx_mpdu_res_start); if (WARN_ON(trans->num_rx_queues > 1)) goto out_free; @@ -473,14 +578,20 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, mvm->restart_fw = iwlwifi_mod_params.restart_fw ? -1 : 0; mvm->aux_queue = 15; - mvm->first_agg_queue = 16; - mvm->last_agg_queue = mvm->cfg->base_params->num_of_queues - 1; + if (!iwl_mvm_is_dqa_supported(mvm)) { + mvm->first_agg_queue = 16; + mvm->last_agg_queue = mvm->cfg->base_params->num_of_queues - 1; + } else { + mvm->first_agg_queue = IWL_MVM_DQA_MIN_DATA_QUEUE; + mvm->last_agg_queue = IWL_MVM_DQA_MAX_DATA_QUEUE; + } if (mvm->cfg->base_params->num_of_queues == 16) { mvm->aux_queue = 11; mvm->first_agg_queue = 12; } mvm->sf_state = SF_UNINIT; mvm->cur_ucode = IWL_UCODE_INIT; + mvm->drop_bcn_ap_mode = true; mutex_init(&mvm->mutex); mutex_init(&mvm->d0i3_suspend_mutex); @@ -497,14 +608,19 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, INIT_WORK(&mvm->d0i3_exit_work, iwl_mvm_d0i3_exit_work); INIT_DELAYED_WORK(&mvm->fw_dump_wk, iwl_mvm_fw_error_dump_wk); INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work); + INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk); spin_lock_init(&mvm->d0i3_tx_lock); spin_lock_init(&mvm->refs_lock); skb_queue_head_init(&mvm->d0i3_tx); init_waitqueue_head(&mvm->d0i3_exit_waitq); + atomic_set(&mvm->queue_sync_counter, 0); + SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev); + INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork); + /* * Populate the state variables that the transport layer needs * to know about. @@ -513,6 +629,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, trans_cfg.no_reclaim_cmds = no_reclaim_cmds; trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); switch (iwlwifi_mod_params.amsdu_size) { + case IWL_AMSDU_DEF: case IWL_AMSDU_4K: trans_cfg.rx_buf_size = IWL_AMSDU_4K; break; @@ -527,6 +644,10 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, iwlwifi_mod_params.amsdu_size); trans_cfg.rx_buf_size = IWL_AMSDU_4K; } + + /* the hardware splits the A-MSDU */ + if (mvm->cfg->mq_rx_supported) + trans_cfg.rx_buf_size = IWL_AMSDU_4K; trans_cfg.wide_cmd_header = fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_WIDE_CMD_HDR); @@ -536,7 +657,10 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, trans_cfg.command_groups = iwl_mvm_groups; trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups); - trans_cfg.cmd_queue = IWL_MVM_CMD_QUEUE; + if (iwl_mvm_is_dqa_supported(mvm)) + trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE; + else + trans_cfg.cmd_queue = IWL_MVM_CMD_QUEUE; trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD; trans_cfg.scd_set_active = true; @@ -555,7 +679,6 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, iwl_trans_configure(mvm->trans, &trans_cfg); trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD; - trans->rx_mpdu_cmd_hdr_size = sizeof(struct iwl_rx_mpdu_res_start); trans->dbg_dest_tlv = mvm->fw->dbg_dest_tlv; trans->dbg_dest_reg_num = mvm->fw->dbg_dest_reg_num; memcpy(trans->dbg_conf_tlv, mvm->fw->dbg_conf_tlv, @@ -575,9 +698,6 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, IWL_INFO(mvm, "Detected %s, REV=0x%X\n", mvm->cfg->name, mvm->trans->hw_rev); - min_backoff = calc_min_backoff(trans, cfg); - iwl_mvm_tt_initialize(mvm, min_backoff); - if (iwlwifi_mod_params.nvm_file) mvm->nvm_file_name = iwlwifi_mod_params.nvm_file; else @@ -607,7 +727,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, iwl_mvm_ref(mvm, IWL_MVM_REF_INIT_UCODE); err = iwl_run_init_mvm_ucode(mvm, true); if (!err || !iwlmvm_mod_params.init_dbg) - iwl_trans_stop_device(trans); + iwl_mvm_stop_device(mvm); iwl_mvm_unref(mvm, IWL_MVM_REF_INIT_UCODE); mutex_unlock(&mvm->mutex); /* returns 0 if successful, 1 if success but in rfkill */ @@ -630,22 +750,31 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, if (err) goto out_free; + min_backoff = calc_min_backoff(trans, cfg); + iwl_mvm_thermal_initialize(mvm, min_backoff); + err = iwl_mvm_dbgfs_register(mvm, dbgfs_dir); if (err) goto out_unregister; memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx)); - /* rpm starts with a taken reference, we can release it now */ - iwl_trans_unref(mvm->trans); + /* The transport always starts with a taken reference, we can + * release it now if d0i3 is supported */ + if (iwl_mvm_is_d0i3_supported(mvm)) + iwl_trans_unref(mvm->trans); iwl_mvm_tof_init(mvm); + setup_timer(&mvm->scan_timer, iwl_mvm_scan_timeout, + (unsigned long)mvm); + return op_mode; out_unregister: ieee80211_unregister_hw(mvm->hw); iwl_mvm_leds_exit(mvm); + iwl_mvm_thermal_exit(mvm); out_free: flush_delayed_work(&mvm->fw_dump_wk); iwl_phy_db_free(mvm->phy_db); @@ -661,9 +790,16 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); int i; + /* If d0i3 is supported, we have released the reference that + * the transport started with, so we should take it back now + * that we are leaving. + */ + if (iwl_mvm_is_d0i3_supported(mvm)) + iwl_trans_ref(mvm->trans); + iwl_mvm_leds_exit(mvm); - iwl_mvm_tt_exit(mvm); + iwl_mvm_thermal_exit(mvm); ieee80211_unregister_hw(mvm->hw); @@ -684,16 +820,20 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++) kfree(mvm->nvm_sections[i].data); - iwl_free_fw_paging(mvm); - iwl_mvm_tof_clean(mvm); + del_timer_sync(&mvm->scan_timer); + + mutex_destroy(&mvm->mutex); + mutex_destroy(&mvm->d0i3_suspend_mutex); + ieee80211_free_hw(mvm->hw); } struct iwl_async_handler_entry { struct list_head list; struct iwl_rx_cmd_buffer rxb; + enum iwl_rx_handler_context context; void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); }; @@ -720,7 +860,6 @@ static void iwl_mvm_async_handlers_wk(struct work_struct *wk) INIT_LIST_HEAD(&local_list); /* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */ - mutex_lock(&mvm->mutex); /* * Sync with Rx path with a lock. Remove all the entries from this list, @@ -731,12 +870,15 @@ static void iwl_mvm_async_handlers_wk(struct work_struct *wk) spin_unlock_bh(&mvm->async_handlers_lock); list_for_each_entry_safe(entry, tmp, &local_list, list) { + if (entry->context == RX_HANDLER_ASYNC_LOCKED) + mutex_lock(&mvm->mutex); entry->fn(mvm, &entry->rxb); iwl_free_rxb(&entry->rxb); list_del(&entry->list); + if (entry->context == RX_HANDLER_ASYNC_LOCKED) + mutex_unlock(&mvm->mutex); kfree(entry); } - mutex_unlock(&mvm->mutex); } static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm, @@ -793,7 +935,7 @@ 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 (!rx_h->async) { + if (rx_h->context == RX_HANDLER_SYNC) { rx_h->fn(mvm, rxb); return; } @@ -807,6 +949,7 @@ static void iwl_mvm_rx_common(struct iwl_mvm *mvm, entry->rxb._offset = rxb->_offset; entry->rxb._rx_page_order = rxb->_rx_page_order; entry->fn = rx_h->fn; + entry->context = rx_h->context; spin_lock(&mvm->async_handlers_lock); list_add_tail(&entry->list, &mvm->async_handlers_list); spin_unlock(&mvm->async_handlers_lock); @@ -824,8 +967,6 @@ static void iwl_mvm_rx(struct iwl_op_mode *op_mode, if (likely(pkt->hdr.cmd == REPLY_RX_MPDU_CMD)) iwl_mvm_rx_rx_mpdu(mvm, napi, rxb); - else if (pkt->hdr.cmd == FRAME_RELEASE) - iwl_mvm_rx_frame_release(mvm, rxb, 0); else if (pkt->hdr.cmd == REPLY_RX_PHY_CMD) iwl_mvm_rx_rx_phy_cmd(mvm, rxb); else @@ -841,30 +982,26 @@ static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode, if (likely(pkt->hdr.cmd == REPLY_RX_MPDU_CMD)) iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0); - else if (pkt->hdr.cmd == REPLY_RX_PHY_CMD) - iwl_mvm_rx_phy_cmd_mq(mvm, rxb); + else if (unlikely(pkt->hdr.group_id == DATA_PATH_GROUP && + pkt->hdr.cmd == RX_QUEUES_NOTIFICATION)) + iwl_mvm_rx_queue_notif(mvm, rxb, 0); + else if (pkt->hdr.cmd == FRAME_RELEASE) + iwl_mvm_rx_frame_release(mvm, napi, rxb, 0); else iwl_mvm_rx_common(mvm, rxb, pkt); } -static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int queue) +void iwl_mvm_stop_mac_queues(struct iwl_mvm *mvm, unsigned long mq) { - struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); - unsigned long mq; int q; - spin_lock_bh(&mvm->queue_info_lock); - mq = mvm->queue_info[queue].hw_queue_to_mac80211; - spin_unlock_bh(&mvm->queue_info_lock); - if (WARN_ON_ONCE(!mq)) return; for_each_set_bit(q, &mq, IEEE80211_MAX_QUEUES) { if (atomic_inc_return(&mvm->mac80211_queue_stop_count[q]) > 1) { IWL_DEBUG_TX_QUEUES(mvm, - "queue %d (mac80211 %d) already stopped\n", - queue, q); + "mac80211 %d already stopped\n", q); continue; } @@ -884,24 +1021,29 @@ static void iwl_mvm_async_cb(struct iwl_op_mode *op_mode, iwl_trans_block_txq_ptrs(mvm->trans, false); } -static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int queue) +static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); unsigned long mq; - int q; spin_lock_bh(&mvm->queue_info_lock); - mq = mvm->queue_info[queue].hw_queue_to_mac80211; + mq = mvm->queue_info[hw_queue].hw_queue_to_mac80211; spin_unlock_bh(&mvm->queue_info_lock); + iwl_mvm_stop_mac_queues(mvm, mq); +} + +void iwl_mvm_start_mac_queues(struct iwl_mvm *mvm, unsigned long mq) +{ + int q; + if (WARN_ON_ONCE(!mq)) return; for_each_set_bit(q, &mq, IEEE80211_MAX_QUEUES) { if (atomic_dec_return(&mvm->mac80211_queue_stop_count[q]) > 0) { IWL_DEBUG_TX_QUEUES(mvm, - "queue %d (mac80211 %d) still stopped\n", - queue, q); + "mac80211 %d still stopped\n", q); continue; } @@ -909,6 +1051,18 @@ static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int queue) } } +static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) +{ + struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); + unsigned long mq; + + spin_lock_bh(&mvm->queue_info_lock); + mq = mvm->queue_info[hw_queue].hw_queue_to_mac80211; + spin_unlock_bh(&mvm->queue_info_lock); + + iwl_mvm_start_mac_queues(mvm, mq); +} + void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state) { if (state) @@ -1090,7 +1244,6 @@ static bool iwl_mvm_disallow_offloading(struct iwl_mvm *mvm, struct iwl_d0i3_iter_data *iter_data) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - struct ieee80211_sta *ap_sta; struct iwl_mvm_sta *mvmsta; u32 available_tids = 0; u8 tid; @@ -1099,11 +1252,10 @@ static bool iwl_mvm_disallow_offloading(struct iwl_mvm *mvm, mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)) return false; - ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id]); - if (IS_ERR_OR_NULL(ap_sta)) + mvmsta = iwl_mvm_sta_from_staid_rcu(mvm, mvmvif->ap_sta_id); + if (!mvmsta) return false; - mvmsta = iwl_mvm_sta_from_mac80211(ap_sta); spin_lock_bh(&mvmsta->lock); for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; @@ -1198,7 +1350,7 @@ static void iwl_mvm_set_wowlan_data(struct iwl_mvm *mvm, cmd->is_11n_connection = ap_sta->ht_cap.ht_supported; cmd->offloading_tid = iter_data->offloading_tid; cmd->flags = ENABLE_L3_FILTERING | ENABLE_NBNS_FILTERING | - ENABLE_DHCP_FILTERING; + ENABLE_DHCP_FILTERING | ENABLE_STORE_BEACON; /* * The d0i3 uCode takes care of the nonqos counters, * so configure only the qos seq ones. @@ -1219,8 +1371,7 @@ int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode) struct iwl_wowlan_config_cmd wowlan_config_cmd = { .wakeup_filter = cpu_to_le32(IWL_WOWLAN_WAKEUP_RX_FRAME | IWL_WOWLAN_WAKEUP_BEACON_MISS | - IWL_WOWLAN_WAKEUP_LINK_CHANGE | - IWL_WOWLAN_WAKEUP_BCN_FILTERING), + IWL_WOWLAN_WAKEUP_LINK_CHANGE), }; struct iwl_d3_manager_config d3_cfg_cmd = { .min_sleep_time = cpu_to_le32(1000), @@ -1270,6 +1421,12 @@ int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode) /* configure wowlan configuration only if needed */ if (mvm->d0i3_ap_sta_id != IWL_MVM_STATION_COUNT) { + /* wake on beacons only if beacon storing isn't supported */ + if (!fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_BEACON_STORING)) + wowlan_config_cmd.wakeup_filter |= + cpu_to_le32(IWL_WOWLAN_WAKEUP_BCN_FILTERING); + iwl_mvm_wowlan_config_key_params(mvm, d0i3_iter_data.connected_vif, true, flags); @@ -1509,7 +1666,10 @@ static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode, struct iwl_rx_packet *pkt = rxb_addr(rxb); if (unlikely(pkt->hdr.cmd == FRAME_RELEASE)) - iwl_mvm_rx_frame_release(mvm, rxb, queue); + iwl_mvm_rx_frame_release(mvm, napi, rxb, queue); + else if (unlikely(pkt->hdr.cmd == RX_QUEUES_NOTIFICATION && + pkt->hdr.group_id == DATA_PATH_GROUP)) + iwl_mvm_rx_queue_notif(mvm, rxb, queue); else iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue); }