/* * Packet send completion callback handler. * * It either frees the buffer directly or forwards it to another * completion callback which checks conditions, updates statistics, * wakes up stalled traffic queue if required, and then frees the buffer. */ int mwifiex_write_data_complete(struct mwifiex_adapter *adapter, struct sk_buff *skb, int status) { struct mwifiex_private *priv, *tpriv; struct mwifiex_txinfo *tx_info; int i; if (!skb) return 0; tx_info = MWIFIEX_SKB_TXCB(skb); priv = mwifiex_get_priv_by_id(adapter, tx_info->bss_num, tx_info->bss_type); if (!priv) goto done; mwifiex_set_trans_start(priv->netdev); if (!status) { priv->stats.tx_packets++; priv->stats.tx_bytes += skb->len; } else { priv->stats.tx_errors++; } if (atomic_dec_return(&adapter->tx_pending) >= LOW_TX_PENDING) goto done; for (i = 0; i < adapter->priv_num; i++) { tpriv = adapter->priv[i]; if ((GET_BSS_ROLE(tpriv) == MWIFIEX_BSS_ROLE_STA) && (tpriv->media_connected)) { if (netif_queue_stopped(tpriv->netdev)) mwifiex_wake_up_net_dev_queue(tpriv->netdev, adapter); } } done: dev_kfree_skb_any(skb); return 0; }
/* * Association firmware command response handler * * The response buffer for the association command has the following * memory layout. * * For cases where an association response was not received (indicated * by the CapInfo and AId field): * * .------------------------------------------------------------. * | Header(4 * sizeof(t_u16)): Standard command response hdr | * .------------------------------------------------------------. * | cap_info/Error Return(t_u16): | * | 0xFFFF(-1): Internal error | * | 0xFFFE(-2): Authentication unhandled message | * | 0xFFFD(-3): Authentication refused | * | 0xFFFC(-4): Timeout waiting for AP response | * .------------------------------------------------------------. * | status_code(t_u16): | * | If cap_info is -1: | * | An internal firmware failure prevented the | * | command from being processed. The status_code | * | will be set to 1. | * | | * | If cap_info is -2: | * | An authentication frame was received but was | * | not handled by the firmware. IEEE Status | * | code for the failure is returned. | * | | * | If cap_info is -3: | * | An authentication frame was received and the | * | status_code is the IEEE Status reported in the | * | response. | * | | * | If cap_info is -4: | * | (1) Association response timeout | * | (2) Authentication response timeout | * .------------------------------------------------------------. * | a_id(t_u16): 0xFFFF | * .------------------------------------------------------------. * * * For cases where an association response was received, the IEEE * standard association response frame is returned: * * .------------------------------------------------------------. * | Header(4 * sizeof(t_u16)): Standard command response hdr | * .------------------------------------------------------------. * | cap_info(t_u16): IEEE Capability | * .------------------------------------------------------------. * | status_code(t_u16): IEEE Status Code | * .------------------------------------------------------------. * | a_id(t_u16): IEEE Association ID | * .------------------------------------------------------------. * | IEEE IEs(variable): Any received IEs comprising the | * | remaining portion of a received | * | association response frame. | * .------------------------------------------------------------. * * For simplistic handling, the status_code field can be used to determine * an association success (0) or failure (non-zero). */ int mwifiex_ret_802_11_associate(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { struct mwifiex_adapter *adapter = priv->adapter; int ret = 0; struct ieee_types_assoc_rsp *assoc_rsp; struct mwifiex_bssdescriptor *bss_desc; bool enable_data = true; u16 cap_info, status_code; assoc_rsp = (struct ieee_types_assoc_rsp *) &resp->params; cap_info = le16_to_cpu(assoc_rsp->cap_info_bitmap); status_code = le16_to_cpu(assoc_rsp->status_code); priv->assoc_rsp_size = min(le16_to_cpu(resp->size) - S_DS_GEN, sizeof(priv->assoc_rsp_buf)); memcpy(priv->assoc_rsp_buf, &resp->params, priv->assoc_rsp_size); if (status_code) { priv->adapter->dbg.num_cmd_assoc_failure++; dev_err(priv->adapter->dev, "ASSOC_RESP: failed, status code=%d err=%#x a_id=%#x\n", status_code, cap_info, le16_to_cpu(assoc_rsp->a_id)); if (cap_info == MWIFIEX_TIMEOUT_FOR_AP_RESP) { if (status_code == MWIFIEX_STATUS_CODE_AUTH_TIMEOUT) ret = WLAN_STATUS_AUTH_TIMEOUT; else ret = WLAN_STATUS_UNSPECIFIED_FAILURE; } else { ret = status_code; } goto done; } /* Send a Media Connected event, according to the Spec */ priv->media_connected = true; priv->adapter->ps_state = PS_STATE_AWAKE; priv->adapter->pps_uapsd_mode = false; priv->adapter->tx_lock_flag = false; /* Set the attempted BSSID Index to current */ bss_desc = priv->attempted_bss_desc; dev_dbg(priv->adapter->dev, "info: ASSOC_RESP: %s\n", bss_desc->ssid.ssid); /* Make a copy of current BSSID descriptor */ memcpy(&priv->curr_bss_params.bss_descriptor, bss_desc, sizeof(struct mwifiex_bssdescriptor)); /* Update curr_bss_params */ priv->curr_bss_params.bss_descriptor.channel = bss_desc->phy_param_set.ds_param_set.current_chan; priv->curr_bss_params.band = (u8) bss_desc->bss_band; if (bss_desc->wmm_ie.vend_hdr.element_id == WLAN_EID_VENDOR_SPECIFIC) priv->curr_bss_params.wmm_enabled = true; else priv->curr_bss_params.wmm_enabled = false; if ((priv->wmm_required || bss_desc->bcn_ht_cap) && priv->curr_bss_params.wmm_enabled) priv->wmm_enabled = true; else priv->wmm_enabled = false; priv->curr_bss_params.wmm_uapsd_enabled = false; if (priv->wmm_enabled) priv->curr_bss_params.wmm_uapsd_enabled = ((bss_desc->wmm_ie.qos_info_bitmap & IEEE80211_WMM_IE_AP_QOSINFO_UAPSD) ? 1 : 0); dev_dbg(priv->adapter->dev, "info: ASSOC_RESP: curr_pkt_filter is %#x\n", priv->curr_pkt_filter); if (priv->sec_info.wpa_enabled || priv->sec_info.wpa2_enabled) priv->wpa_is_gtk_set = false; if (priv->wmm_enabled) { /* Don't re-enable carrier until we get the WMM_GET_STATUS event */ enable_data = false; } else { /* Since WMM is not enabled, setup the queues with the defaults */ mwifiex_wmm_setup_queue_priorities(priv, NULL); mwifiex_wmm_setup_ac_downgrade(priv); } if (enable_data) dev_dbg(priv->adapter->dev, "info: post association, re-enabling data flow\n"); /* Reset SNR/NF/RSSI values */ priv->data_rssi_last = 0; priv->data_nf_last = 0; priv->data_rssi_avg = 0; priv->data_nf_avg = 0; priv->bcn_rssi_last = 0; priv->bcn_nf_last = 0; priv->bcn_rssi_avg = 0; priv->bcn_nf_avg = 0; priv->rxpd_rate = 0; priv->rxpd_htinfo = 0; mwifiex_save_curr_bcn(priv); priv->adapter->dbg.num_cmd_assoc_success++; dev_dbg(priv->adapter->dev, "info: ASSOC_RESP: associated\n"); /* Add the ra_list here for infra mode as there will be only 1 ra always */ mwifiex_ralist_add(priv, priv->curr_bss_params.bss_descriptor.mac_address); if (!netif_carrier_ok(priv->netdev)) netif_carrier_on(priv->netdev); mwifiex_wake_up_net_dev_queue(priv->netdev, adapter); if (priv->sec_info.wpa_enabled || priv->sec_info.wpa2_enabled) priv->scan_block = true; done: /* Need to indicate IOCTL complete */ if (adapter->curr_cmd->wait_q_enabled) { if (ret) adapter->cmd_wait_q.status = -1; else adapter->cmd_wait_q.status = 0; } return ret; }
/* * This function handles the command response of ad-hoc start and * ad-hoc join. * * The function generates a device-connected event to notify * the applications, in case of successful ad-hoc start/join, and * saves the beacon buffer. */ int mwifiex_ret_802_11_ad_hoc(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { int ret = 0; struct mwifiex_adapter *adapter = priv->adapter; struct host_cmd_ds_802_11_ad_hoc_result *adhoc_result; struct mwifiex_bssdescriptor *bss_desc; u16 reason_code; adhoc_result = &resp->params.adhoc_result; bss_desc = priv->attempted_bss_desc; /* Join result code 0 --> SUCCESS */ reason_code = le16_to_cpu(resp->result); if (reason_code) { dev_err(priv->adapter->dev, "ADHOC_RESP: failed\n"); if (priv->media_connected) mwifiex_reset_connect_state(priv, reason_code); memset(&priv->curr_bss_params.bss_descriptor, 0x00, sizeof(struct mwifiex_bssdescriptor)); ret = -1; goto done; } /* Send a Media Connected event, according to the Spec */ priv->media_connected = true; if (le16_to_cpu(resp->command) == HostCmd_CMD_802_11_AD_HOC_START) { dev_dbg(priv->adapter->dev, "info: ADHOC_S_RESP %s\n", bss_desc->ssid.ssid); /* Update the created network descriptor with the new BSSID */ memcpy(bss_desc->mac_address, adhoc_result->bssid, ETH_ALEN); priv->adhoc_state = ADHOC_STARTED; } else { /* * Now the join cmd should be successful. * If BSSID has changed use SSID to compare instead of BSSID */ dev_dbg(priv->adapter->dev, "info: ADHOC_J_RESP %s\n", bss_desc->ssid.ssid); /* * Make a copy of current BSSID descriptor, only needed for * join since the current descriptor is already being used * for adhoc start */ memcpy(&priv->curr_bss_params.bss_descriptor, bss_desc, sizeof(struct mwifiex_bssdescriptor)); priv->adhoc_state = ADHOC_JOINED; } dev_dbg(priv->adapter->dev, "info: ADHOC_RESP: channel = %d\n", priv->adhoc_channel); dev_dbg(priv->adapter->dev, "info: ADHOC_RESP: BSSID = %pM\n", priv->curr_bss_params.bss_descriptor.mac_address); if (!netif_carrier_ok(priv->netdev)) netif_carrier_on(priv->netdev); mwifiex_wake_up_net_dev_queue(priv->netdev, adapter); mwifiex_save_curr_bcn(priv); done: /* Need to indicate IOCTL complete */ if (adapter->curr_cmd->wait_q_enabled) { if (ret) adapter->cmd_wait_q.status = -1; else adapter->cmd_wait_q.status = 0; } return ret; }
/* * This function handles events generated by firmware. * * This is a generic function and handles all events. * * Event specific routines are called by this function based * upon the generated event cause. * * For the following events, the function just forwards them to upper * layers, optionally recording the change - * - EVENT_LINK_SENSED * - EVENT_MIC_ERR_UNICAST * - EVENT_MIC_ERR_MULTICAST * - EVENT_PORT_RELEASE * - EVENT_RSSI_LOW * - EVENT_SNR_LOW * - EVENT_MAX_FAIL * - EVENT_RSSI_HIGH * - EVENT_SNR_HIGH * - EVENT_DATA_RSSI_LOW * - EVENT_DATA_SNR_LOW * - EVENT_DATA_RSSI_HIGH * - EVENT_DATA_SNR_HIGH * - EVENT_LINK_QUALITY * - EVENT_PRE_BEACON_LOST * - EVENT_IBSS_COALESCED * - EVENT_IBSS_STA_CONNECT * - EVENT_IBSS_STA_DISCONNECT * - EVENT_WEP_ICV_ERR * - EVENT_BW_CHANGE * - EVENT_HOSTWAKE_STAIE * * For the following events, no action is taken - * - EVENT_MIB_CHANGED * - EVENT_INIT_DONE * - EVENT_DUMMY_HOST_WAKEUP_SIGNAL * * Rest of the supported events requires driver handling - * - EVENT_DEAUTHENTICATED * - EVENT_DISASSOCIATED * - EVENT_LINK_LOST * - EVENT_PS_SLEEP * - EVENT_PS_AWAKE * - EVENT_DEEP_SLEEP_AWAKE * - EVENT_HS_ACT_REQ * - EVENT_ADHOC_BCN_LOST * - EVENT_BG_SCAN_REPORT * - EVENT_WMM_STATUS_CHANGE * - EVENT_ADDBA * - EVENT_DELBA * - EVENT_BA_STREAM_TIEMOUT * - EVENT_AMSDU_AGGR_CTRL * - EVENT_FW_DUMP_INFO */ int mwifiex_process_sta_event(struct mwifiex_private *priv) { struct mwifiex_adapter *adapter = priv->adapter; int ret = 0, i; u32 eventcause = adapter->event_cause; u16 ctrl, reason_code; u8 ibss_sta_addr[ETH_ALEN]; struct mwifiex_sta_node *sta_ptr; switch (eventcause) { case EVENT_DUMMY_HOST_WAKEUP_SIGNAL: mwifiex_dbg(adapter, ERROR, "invalid EVENT: DUMMY_HOST_WAKEUP_SIGNAL, ignore it\n"); break; case EVENT_LINK_SENSED: mwifiex_dbg(adapter, EVENT, "event: LINK_SENSED\n"); if (!netif_carrier_ok(priv->netdev)) netif_carrier_on(priv->netdev); mwifiex_wake_up_net_dev_queue(priv->netdev, adapter); break; case EVENT_DEAUTHENTICATED: mwifiex_dbg(adapter, EVENT, "event: Deauthenticated\n"); if (priv->wps.session_enable) { mwifiex_dbg(adapter, INFO, "info: receive deauth event in wps session\n"); break; } adapter->dbg.num_event_deauth++; if (priv->media_connected) { reason_code = get_unaligned_le16(adapter->event_body); mwifiex_reset_connect_state(priv, reason_code, true); } break; case EVENT_DISASSOCIATED: mwifiex_dbg(adapter, EVENT, "event: Disassociated\n"); if (priv->wps.session_enable) { mwifiex_dbg(adapter, INFO, "info: receive disassoc event in wps session\n"); break; } adapter->dbg.num_event_disassoc++; if (priv->media_connected) { reason_code = get_unaligned_le16(adapter->event_body); mwifiex_reset_connect_state(priv, reason_code, true); } break; case EVENT_LINK_LOST: mwifiex_dbg(adapter, EVENT, "event: Link lost\n"); adapter->dbg.num_event_link_lost++; if (priv->media_connected) { reason_code = get_unaligned_le16(adapter->event_body); mwifiex_reset_connect_state(priv, reason_code, true); } break; case EVENT_PS_SLEEP: mwifiex_dbg(adapter, EVENT, "info: EVENT: SLEEP\n"); adapter->ps_state = PS_STATE_PRE_SLEEP; mwifiex_check_ps_cond(adapter); break; case EVENT_PS_AWAKE: mwifiex_dbg(adapter, EVENT, "info: EVENT: AWAKE\n"); if (!adapter->pps_uapsd_mode && (priv->port_open || (priv->bss_mode == NL80211_IFTYPE_ADHOC)) && priv->media_connected && adapter->sleep_period.period) { adapter->pps_uapsd_mode = true; mwifiex_dbg(adapter, EVENT, "event: PPS/UAPSD mode activated\n"); } adapter->tx_lock_flag = false; if (adapter->pps_uapsd_mode && adapter->gen_null_pkt) { if (mwifiex_check_last_packet_indication(priv)) { if (adapter->data_sent || (adapter->if_ops.is_port_ready && !adapter->if_ops.is_port_ready(priv))) { adapter->ps_state = PS_STATE_AWAKE; adapter->pm_wakeup_card_req = false; adapter->pm_wakeup_fw_try = false; del_timer(&adapter->wakeup_timer); break; } if (!mwifiex_send_null_packet (priv, MWIFIEX_TxPD_POWER_MGMT_NULL_PACKET | MWIFIEX_TxPD_POWER_MGMT_LAST_PACKET)) adapter->ps_state = PS_STATE_SLEEP; return 0; } } adapter->ps_state = PS_STATE_AWAKE; adapter->pm_wakeup_card_req = false; adapter->pm_wakeup_fw_try = false; del_timer(&adapter->wakeup_timer); break; case EVENT_DEEP_SLEEP_AWAKE: adapter->if_ops.wakeup_complete(adapter); mwifiex_dbg(adapter, EVENT, "event: DS_AWAKE\n"); if (adapter->is_deep_sleep) adapter->is_deep_sleep = false; break; case EVENT_HS_ACT_REQ: mwifiex_dbg(adapter, EVENT, "event: HS_ACT_REQ\n"); ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_HS_CFG_ENH, 0, 0, NULL, false); break; case EVENT_MIC_ERR_UNICAST: mwifiex_dbg(adapter, EVENT, "event: UNICAST MIC ERROR\n"); cfg80211_michael_mic_failure(priv->netdev, priv->cfg_bssid, NL80211_KEYTYPE_PAIRWISE, -1, NULL, GFP_KERNEL); break; case EVENT_MIC_ERR_MULTICAST: mwifiex_dbg(adapter, EVENT, "event: MULTICAST MIC ERROR\n"); cfg80211_michael_mic_failure(priv->netdev, priv->cfg_bssid, NL80211_KEYTYPE_GROUP, -1, NULL, GFP_KERNEL); break; case EVENT_MIB_CHANGED: case EVENT_INIT_DONE: break; case EVENT_ADHOC_BCN_LOST: mwifiex_dbg(adapter, EVENT, "event: ADHOC_BCN_LOST\n"); priv->adhoc_is_link_sensed = false; mwifiex_clean_txrx(priv); mwifiex_stop_net_dev_queue(priv->netdev, adapter); if (netif_carrier_ok(priv->netdev)) netif_carrier_off(priv->netdev); break; case EVENT_BG_SCAN_REPORT: mwifiex_dbg(adapter, EVENT, "event: BGS_REPORT\n"); ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_QUERY, HostCmd_ACT_GEN_GET, 0, NULL, false); break; case EVENT_BG_SCAN_STOPPED: dev_dbg(adapter->dev, "event: BGS_STOPPED\n"); cfg80211_sched_scan_stopped(priv->wdev.wiphy, 0); if (priv->sched_scanning) priv->sched_scanning = false; break; case EVENT_PORT_RELEASE: mwifiex_dbg(adapter, EVENT, "event: PORT RELEASE\n"); priv->port_open = true; break; case EVENT_EXT_SCAN_REPORT: mwifiex_dbg(adapter, EVENT, "event: EXT_SCAN Report\n"); /* We intend to skip this event during suspend, but handle * it in interface disabled case */ if (adapter->ext_scan && (!priv->scan_aborting || !netif_running(priv->netdev))) ret = mwifiex_handle_event_ext_scan_report(priv, adapter->event_skb->data); break; case EVENT_WMM_STATUS_CHANGE: mwifiex_dbg(adapter, EVENT, "event: WMM status changed\n"); ret = mwifiex_send_cmd(priv, HostCmd_CMD_WMM_GET_STATUS, 0, 0, NULL, false); break; case EVENT_RSSI_LOW: cfg80211_cqm_rssi_notify(priv->netdev, NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW, 0, GFP_KERNEL); mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO, HostCmd_ACT_GEN_GET, 0, NULL, false); priv->subsc_evt_rssi_state = RSSI_LOW_RECVD; mwifiex_dbg(adapter, EVENT, "event: Beacon RSSI_LOW\n"); break; case EVENT_SNR_LOW: mwifiex_dbg(adapter, EVENT, "event: Beacon SNR_LOW\n"); break; case EVENT_MAX_FAIL: mwifiex_dbg(adapter, EVENT, "event: MAX_FAIL\n"); break; case EVENT_RSSI_HIGH: cfg80211_cqm_rssi_notify(priv->netdev, NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH, 0, GFP_KERNEL); mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO, HostCmd_ACT_GEN_GET, 0, NULL, false); priv->subsc_evt_rssi_state = RSSI_HIGH_RECVD; mwifiex_dbg(adapter, EVENT, "event: Beacon RSSI_HIGH\n"); break; case EVENT_SNR_HIGH: mwifiex_dbg(adapter, EVENT, "event: Beacon SNR_HIGH\n"); break; case EVENT_DATA_RSSI_LOW: mwifiex_dbg(adapter, EVENT, "event: Data RSSI_LOW\n"); break; case EVENT_DATA_SNR_LOW: mwifiex_dbg(adapter, EVENT, "event: Data SNR_LOW\n"); break; case EVENT_DATA_RSSI_HIGH: mwifiex_dbg(adapter, EVENT, "event: Data RSSI_HIGH\n"); break; case EVENT_DATA_SNR_HIGH: mwifiex_dbg(adapter, EVENT, "event: Data SNR_HIGH\n"); break; case EVENT_LINK_QUALITY: mwifiex_dbg(adapter, EVENT, "event: Link Quality\n"); break; case EVENT_PRE_BEACON_LOST: mwifiex_dbg(adapter, EVENT, "event: Pre-Beacon Lost\n"); break; case EVENT_IBSS_COALESCED: mwifiex_dbg(adapter, EVENT, "event: IBSS_COALESCED\n"); ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_IBSS_COALESCING_STATUS, HostCmd_ACT_GEN_GET, 0, NULL, false); break; case EVENT_IBSS_STA_CONNECT: ether_addr_copy(ibss_sta_addr, adapter->event_body + 2); mwifiex_dbg(adapter, EVENT, "event: IBSS_STA_CONNECT %pM\n", ibss_sta_addr); sta_ptr = mwifiex_add_sta_entry(priv, ibss_sta_addr); if (sta_ptr && adapter->adhoc_11n_enabled) { mwifiex_check_ibss_peer_capabilties(priv, sta_ptr, adapter->event_skb); if (sta_ptr->is_11n_enabled) for (i = 0; i < MAX_NUM_TID; i++) sta_ptr->ampdu_sta[i] = priv->aggr_prio_tbl[i].ampdu_user; else for (i = 0; i < MAX_NUM_TID; i++) sta_ptr->ampdu_sta[i] = BA_STREAM_NOT_ALLOWED; memset(sta_ptr->rx_seq, 0xff, sizeof(sta_ptr->rx_seq)); } break; case EVENT_IBSS_STA_DISCONNECT: ether_addr_copy(ibss_sta_addr, adapter->event_body + 2); mwifiex_dbg(adapter, EVENT, "event: IBSS_STA_DISCONNECT %pM\n", ibss_sta_addr); sta_ptr = mwifiex_get_sta_entry(priv, ibss_sta_addr); if (sta_ptr && sta_ptr->is_11n_enabled) { mwifiex_11n_del_rx_reorder_tbl_by_ta(priv, ibss_sta_addr); mwifiex_del_tx_ba_stream_tbl_by_ra(priv, ibss_sta_addr); } mwifiex_wmm_del_peer_ra_list(priv, ibss_sta_addr); mwifiex_del_sta_entry(priv, ibss_sta_addr); break; case EVENT_ADDBA: mwifiex_dbg(adapter, EVENT, "event: ADDBA Request\n"); mwifiex_send_cmd(priv, HostCmd_CMD_11N_ADDBA_RSP, HostCmd_ACT_GEN_SET, 0, adapter->event_body, false); break; case EVENT_DELBA: mwifiex_dbg(adapter, EVENT, "event: DELBA Request\n"); mwifiex_11n_delete_ba_stream(priv, adapter->event_body); break; case EVENT_BA_STREAM_TIEMOUT: mwifiex_dbg(adapter, EVENT, "event: BA Stream timeout\n"); mwifiex_11n_ba_stream_timeout(priv, (struct host_cmd_ds_11n_batimeout *) adapter->event_body); break; case EVENT_AMSDU_AGGR_CTRL: ctrl = get_unaligned_le16(adapter->event_body); mwifiex_dbg(adapter, EVENT, "event: AMSDU_AGGR_CTRL %d\n", ctrl); adapter->tx_buf_size = min_t(u16, adapter->curr_tx_buf_size, ctrl); mwifiex_dbg(adapter, EVENT, "event: tx_buf_size %d\n", adapter->tx_buf_size); break; case EVENT_WEP_ICV_ERR: mwifiex_dbg(adapter, EVENT, "event: WEP ICV error\n"); break; case EVENT_BW_CHANGE: mwifiex_dbg(adapter, EVENT, "event: BW Change\n"); break; case EVENT_HOSTWAKE_STAIE: mwifiex_dbg(adapter, EVENT, "event: HOSTWAKE_STAIE %d\n", eventcause); break; case EVENT_REMAIN_ON_CHAN_EXPIRED: mwifiex_dbg(adapter, EVENT, "event: Remain on channel expired\n"); cfg80211_remain_on_channel_expired(&priv->wdev, priv->roc_cfg.cookie, &priv->roc_cfg.chan, GFP_ATOMIC); memset(&priv->roc_cfg, 0x00, sizeof(struct mwifiex_roc_cfg)); break; case EVENT_CHANNEL_SWITCH_ANN: mwifiex_dbg(adapter, EVENT, "event: Channel Switch Announcement\n"); priv->csa_expire_time = jiffies + msecs_to_jiffies(DFS_CHAN_MOVE_TIME); priv->csa_chan = priv->curr_bss_params.bss_descriptor.channel; ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_DEAUTHENTICATE, HostCmd_ACT_GEN_SET, 0, priv->curr_bss_params.bss_descriptor.mac_address, false); break; case EVENT_TDLS_GENERIC_EVENT: ret = mwifiex_parse_tdls_event(priv, adapter->event_skb); break; case EVENT_TX_DATA_PAUSE: mwifiex_dbg(adapter, EVENT, "event: TX DATA PAUSE\n"); mwifiex_process_tx_pause_event(priv, adapter->event_skb); break; case EVENT_MULTI_CHAN_INFO: mwifiex_dbg(adapter, EVENT, "event: multi-chan info\n"); mwifiex_process_multi_chan_event(priv, adapter->event_skb); break; case EVENT_TX_STATUS_REPORT: mwifiex_dbg(adapter, EVENT, "event: TX_STATUS Report\n"); mwifiex_parse_tx_status_event(priv, adapter->event_body); break; case EVENT_CHANNEL_REPORT_RDY: mwifiex_dbg(adapter, EVENT, "event: Channel Report\n"); ret = mwifiex_11h_handle_chanrpt_ready(priv, adapter->event_skb); break; case EVENT_RADAR_DETECTED: mwifiex_dbg(adapter, EVENT, "event: Radar detected\n"); ret = mwifiex_11h_handle_radar_detected(priv, adapter->event_skb); break; case EVENT_BT_COEX_WLAN_PARA_CHANGE: dev_dbg(adapter->dev, "EVENT: BT coex wlan param update\n"); mwifiex_bt_coex_wlan_param_update_event(priv, adapter->event_skb); break; case EVENT_RXBA_SYNC: dev_dbg(adapter->dev, "EVENT: RXBA_SYNC\n"); mwifiex_11n_rxba_sync_event(priv, adapter->event_body, adapter->event_skb->len - sizeof(eventcause)); break; case EVENT_FW_DUMP_INFO: mwifiex_dbg(adapter, EVENT, "event: firmware debug info\n"); mwifiex_fw_dump_info_event(priv, adapter->event_skb); break; /* Debugging event; not used, but let's not print an ERROR for it. */ case EVENT_UNKNOWN_DEBUG: mwifiex_dbg(adapter, EVENT, "event: debug\n"); break; default: mwifiex_dbg(adapter, ERROR, "event: unknown event id: %#x\n", eventcause); break; } return ret; }
/* * This function handles events generated by firmware. * * This is a generic function and handles all events. * * Event specific routines are called by this function based * upon the generated event cause. * * For the following events, the function just forwards them to upper * layers, optionally recording the change - * - EVENT_LINK_SENSED * - EVENT_MIC_ERR_UNICAST * - EVENT_MIC_ERR_MULTICAST * - EVENT_PORT_RELEASE * - EVENT_RSSI_LOW * - EVENT_SNR_LOW * - EVENT_MAX_FAIL * - EVENT_RSSI_HIGH * - EVENT_SNR_HIGH * - EVENT_DATA_RSSI_LOW * - EVENT_DATA_SNR_LOW * - EVENT_DATA_RSSI_HIGH * - EVENT_DATA_SNR_HIGH * - EVENT_LINK_QUALITY * - EVENT_PRE_BEACON_LOST * - EVENT_IBSS_COALESCED * - EVENT_WEP_ICV_ERR * - EVENT_BW_CHANGE * - EVENT_HOSTWAKE_STAIE * * For the following events, no action is taken - * - EVENT_MIB_CHANGED * - EVENT_INIT_DONE * - EVENT_DUMMY_HOST_WAKEUP_SIGNAL * * Rest of the supported events requires driver handling - * - EVENT_DEAUTHENTICATED * - EVENT_DISASSOCIATED * - EVENT_LINK_LOST * - EVENT_PS_SLEEP * - EVENT_PS_AWAKE * - EVENT_DEEP_SLEEP_AWAKE * - EVENT_HS_ACT_REQ * - EVENT_ADHOC_BCN_LOST * - EVENT_BG_SCAN_REPORT * - EVENT_WMM_STATUS_CHANGE * - EVENT_ADDBA * - EVENT_DELBA * - EVENT_BA_STREAM_TIEMOUT * - EVENT_AMSDU_AGGR_CTRL */ int mwifiex_process_sta_event(struct mwifiex_private *priv) { struct mwifiex_adapter *adapter = priv->adapter; int ret = 0; u32 eventcause = adapter->event_cause; u16 ctrl, reason_code; switch (eventcause) { case EVENT_DUMMY_HOST_WAKEUP_SIGNAL: dev_err(adapter->dev, "invalid EVENT: DUMMY_HOST_WAKEUP_SIGNAL, ignore it\n"); break; case EVENT_LINK_SENSED: dev_dbg(adapter->dev, "event: LINK_SENSED\n"); if (!netif_carrier_ok(priv->netdev)) netif_carrier_on(priv->netdev); mwifiex_wake_up_net_dev_queue(priv->netdev, adapter); break; case EVENT_DEAUTHENTICATED: dev_dbg(adapter->dev, "event: Deauthenticated\n"); if (priv->wps.session_enable) { dev_dbg(adapter->dev, "info: receive deauth event in wps session\n"); break; } adapter->dbg.num_event_deauth++; if (priv->media_connected) { reason_code = le16_to_cpu(*(__le16 *)adapter->event_body); mwifiex_reset_connect_state(priv, reason_code); } break; case EVENT_DISASSOCIATED: dev_dbg(adapter->dev, "event: Disassociated\n"); if (priv->wps.session_enable) { dev_dbg(adapter->dev, "info: receive disassoc event in wps session\n"); break; } adapter->dbg.num_event_disassoc++; if (priv->media_connected) { reason_code = le16_to_cpu(*(__le16 *)adapter->event_body); mwifiex_reset_connect_state(priv, reason_code); } break; case EVENT_LINK_LOST: dev_dbg(adapter->dev, "event: Link lost\n"); adapter->dbg.num_event_link_lost++; if (priv->media_connected) { reason_code = le16_to_cpu(*(__le16 *)adapter->event_body); mwifiex_reset_connect_state(priv, reason_code); } break; case EVENT_PS_SLEEP: dev_dbg(adapter->dev, "info: EVENT: SLEEP\n"); adapter->ps_state = PS_STATE_PRE_SLEEP; mwifiex_check_ps_cond(adapter); break; case EVENT_PS_AWAKE: dev_dbg(adapter->dev, "info: EVENT: AWAKE\n"); if (!adapter->pps_uapsd_mode && priv->media_connected && adapter->sleep_period.period) { adapter->pps_uapsd_mode = true; dev_dbg(adapter->dev, "event: PPS/UAPSD mode activated\n"); } adapter->tx_lock_flag = false; if (adapter->pps_uapsd_mode && adapter->gen_null_pkt) { if (mwifiex_check_last_packet_indication(priv)) { if (adapter->data_sent) { adapter->ps_state = PS_STATE_AWAKE; adapter->pm_wakeup_card_req = false; adapter->pm_wakeup_fw_try = false; break; } if (!mwifiex_send_null_packet (priv, MWIFIEX_TxPD_POWER_MGMT_NULL_PACKET | MWIFIEX_TxPD_POWER_MGMT_LAST_PACKET)) adapter->ps_state = PS_STATE_SLEEP; return 0; } } adapter->ps_state = PS_STATE_AWAKE; adapter->pm_wakeup_card_req = false; adapter->pm_wakeup_fw_try = false; break; case EVENT_DEEP_SLEEP_AWAKE: adapter->if_ops.wakeup_complete(adapter); dev_dbg(adapter->dev, "event: DS_AWAKE\n"); if (adapter->is_deep_sleep) adapter->is_deep_sleep = false; break; case EVENT_HS_ACT_REQ: dev_dbg(adapter->dev, "event: HS_ACT_REQ\n"); ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_HS_CFG_ENH, 0, 0, NULL, false); break; case EVENT_MIC_ERR_UNICAST: dev_dbg(adapter->dev, "event: UNICAST MIC ERROR\n"); cfg80211_michael_mic_failure(priv->netdev, priv->cfg_bssid, NL80211_KEYTYPE_PAIRWISE, -1, NULL, GFP_KERNEL); break; case EVENT_MIC_ERR_MULTICAST: dev_dbg(adapter->dev, "event: MULTICAST MIC ERROR\n"); cfg80211_michael_mic_failure(priv->netdev, priv->cfg_bssid, NL80211_KEYTYPE_GROUP, -1, NULL, GFP_KERNEL); break; case EVENT_MIB_CHANGED: case EVENT_INIT_DONE: break; case EVENT_ADHOC_BCN_LOST: dev_dbg(adapter->dev, "event: ADHOC_BCN_LOST\n"); priv->adhoc_is_link_sensed = false; mwifiex_clean_txrx(priv); mwifiex_stop_net_dev_queue(priv->netdev, adapter); if (netif_carrier_ok(priv->netdev)) netif_carrier_off(priv->netdev); break; case EVENT_BG_SCAN_REPORT: dev_dbg(adapter->dev, "event: BGS_REPORT\n"); ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_QUERY, HostCmd_ACT_GEN_GET, 0, NULL, false); break; case EVENT_PORT_RELEASE: dev_dbg(adapter->dev, "event: PORT RELEASE\n"); break; case EVENT_EXT_SCAN_REPORT: dev_dbg(adapter->dev, "event: EXT_SCAN Report\n"); if (adapter->ext_scan) ret = mwifiex_handle_event_ext_scan_report(priv, adapter->event_skb->data); break; case EVENT_WMM_STATUS_CHANGE: dev_dbg(adapter->dev, "event: WMM status changed\n"); ret = mwifiex_send_cmd(priv, HostCmd_CMD_WMM_GET_STATUS, 0, 0, NULL, false); break; case EVENT_RSSI_LOW: cfg80211_cqm_rssi_notify(priv->netdev, NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW, GFP_KERNEL); mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO, HostCmd_ACT_GEN_GET, 0, NULL, false); priv->subsc_evt_rssi_state = RSSI_LOW_RECVD; dev_dbg(adapter->dev, "event: Beacon RSSI_LOW\n"); break; case EVENT_SNR_LOW: dev_dbg(adapter->dev, "event: Beacon SNR_LOW\n"); break; case EVENT_MAX_FAIL: dev_dbg(adapter->dev, "event: MAX_FAIL\n"); break; case EVENT_RSSI_HIGH: cfg80211_cqm_rssi_notify(priv->netdev, NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH, GFP_KERNEL); mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO, HostCmd_ACT_GEN_GET, 0, NULL, false); priv->subsc_evt_rssi_state = RSSI_HIGH_RECVD; dev_dbg(adapter->dev, "event: Beacon RSSI_HIGH\n"); break; case EVENT_SNR_HIGH: dev_dbg(adapter->dev, "event: Beacon SNR_HIGH\n"); break; case EVENT_DATA_RSSI_LOW: dev_dbg(adapter->dev, "event: Data RSSI_LOW\n"); break; case EVENT_DATA_SNR_LOW: dev_dbg(adapter->dev, "event: Data SNR_LOW\n"); break; case EVENT_DATA_RSSI_HIGH: dev_dbg(adapter->dev, "event: Data RSSI_HIGH\n"); break; case EVENT_DATA_SNR_HIGH: dev_dbg(adapter->dev, "event: Data SNR_HIGH\n"); break; case EVENT_LINK_QUALITY: dev_dbg(adapter->dev, "event: Link Quality\n"); break; case EVENT_PRE_BEACON_LOST: dev_dbg(adapter->dev, "event: Pre-Beacon Lost\n"); break; case EVENT_IBSS_COALESCED: dev_dbg(adapter->dev, "event: IBSS_COALESCED\n"); ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_IBSS_COALESCING_STATUS, HostCmd_ACT_GEN_GET, 0, NULL, false); break; case EVENT_ADDBA: dev_dbg(adapter->dev, "event: ADDBA Request\n"); mwifiex_send_cmd(priv, HostCmd_CMD_11N_ADDBA_RSP, HostCmd_ACT_GEN_SET, 0, adapter->event_body, false); break; case EVENT_DELBA: dev_dbg(adapter->dev, "event: DELBA Request\n"); mwifiex_11n_delete_ba_stream(priv, adapter->event_body); break; case EVENT_BA_STREAM_TIEMOUT: dev_dbg(adapter->dev, "event: BA Stream timeout\n"); mwifiex_11n_ba_stream_timeout(priv, (struct host_cmd_ds_11n_batimeout *) adapter->event_body); break; case EVENT_AMSDU_AGGR_CTRL: ctrl = le16_to_cpu(*(__le16 *)adapter->event_body); dev_dbg(adapter->dev, "event: AMSDU_AGGR_CTRL %d\n", ctrl); adapter->tx_buf_size = min_t(u16, adapter->curr_tx_buf_size, ctrl); dev_dbg(adapter->dev, "event: tx_buf_size %d\n", adapter->tx_buf_size); break; case EVENT_WEP_ICV_ERR: dev_dbg(adapter->dev, "event: WEP ICV error\n"); break; case EVENT_BW_CHANGE: dev_dbg(adapter->dev, "event: BW Change\n"); break; case EVENT_HOSTWAKE_STAIE: dev_dbg(adapter->dev, "event: HOSTWAKE_STAIE %d\n", eventcause); break; case EVENT_REMAIN_ON_CHAN_EXPIRED: dev_dbg(adapter->dev, "event: Remain on channel expired\n"); cfg80211_remain_on_channel_expired(priv->wdev, priv->roc_cfg.cookie, &priv->roc_cfg.chan, GFP_ATOMIC); memset(&priv->roc_cfg, 0x00, sizeof(struct mwifiex_roc_cfg)); break; case EVENT_CHANNEL_SWITCH_ANN: dev_dbg(adapter->dev, "event: Channel Switch Announcement\n"); priv->csa_expire_time = jiffies + msecs_to_jiffies(DFS_CHAN_MOVE_TIME); priv->csa_chan = priv->curr_bss_params.bss_descriptor.channel; ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_DEAUTHENTICATE, HostCmd_ACT_GEN_SET, 0, priv->curr_bss_params.bss_descriptor.mac_address, false); break; case EVENT_TDLS_GENERIC_EVENT: ret = mwifiex_parse_tdls_event(priv, adapter->event_skb); break; default: dev_dbg(adapter->dev, "event: unknown event id: %#x\n", eventcause); break; } return ret; }
/* * This function handles AP interface specific events generated by firmware. * * Event specific routines are called by this function based * upon the generated event cause. * * * Events supported for AP - * - EVENT_UAP_STA_ASSOC * - EVENT_UAP_STA_DEAUTH * - EVENT_UAP_BSS_ACTIVE * - EVENT_UAP_BSS_START * - EVENT_UAP_BSS_IDLE * - EVENT_UAP_MIC_COUNTERMEASURES: */ int mwifiex_process_uap_event(struct mwifiex_private *priv) { struct mwifiex_adapter *adapter = priv->adapter; int len, i; u32 eventcause = adapter->event_cause; struct station_info sinfo; struct mwifiex_assoc_event *event; struct mwifiex_sta_node *node; u8 *deauth_mac; struct host_cmd_ds_11n_batimeout *ba_timeout; u16 ctrl; switch (eventcause) { case EVENT_UAP_STA_ASSOC: memset(&sinfo, 0, sizeof(sinfo)); event = (struct mwifiex_assoc_event *) (adapter->event_body + MWIFIEX_UAP_EVENT_EXTRA_HEADER); if (le16_to_cpu(event->type) == TLV_TYPE_UAP_MGMT_FRAME) { len = -1; if (ieee80211_is_assoc_req(event->frame_control)) len = 0; else if (ieee80211_is_reassoc_req(event->frame_control)) /* There will be ETH_ALEN bytes of * current_ap_addr before the re-assoc ies. */ len = ETH_ALEN; if (len != -1) { sinfo.assoc_req_ies = &event->data[len]; len = (u8 *)sinfo.assoc_req_ies - (u8 *)&event->frame_control; sinfo.assoc_req_ies_len = le16_to_cpu(event->len) - (u16)len; } } cfg80211_new_sta(priv->netdev, event->sta_addr, &sinfo, GFP_KERNEL); node = mwifiex_add_sta_entry(priv, event->sta_addr); if (!node) { mwifiex_dbg(adapter, ERROR, "could not create station entry!\n"); return -1; } if (!priv->ap_11n_enabled) break; mwifiex_set_sta_ht_cap(priv, sinfo.assoc_req_ies, sinfo.assoc_req_ies_len, node); for (i = 0; i < MAX_NUM_TID; i++) { if (node->is_11n_enabled) node->ampdu_sta[i] = priv->aggr_prio_tbl[i].ampdu_user; else node->ampdu_sta[i] = BA_STREAM_NOT_ALLOWED; } memset(node->rx_seq, 0xff, sizeof(node->rx_seq)); break; case EVENT_UAP_STA_DEAUTH: deauth_mac = adapter->event_body + MWIFIEX_UAP_EVENT_EXTRA_HEADER; cfg80211_del_sta(priv->netdev, deauth_mac, GFP_KERNEL); if (priv->ap_11n_enabled) { mwifiex_11n_del_rx_reorder_tbl_by_ta(priv, deauth_mac); mwifiex_del_tx_ba_stream_tbl_by_ra(priv, deauth_mac); } mwifiex_wmm_del_peer_ra_list(priv, deauth_mac); mwifiex_del_sta_entry(priv, deauth_mac); break; case EVENT_UAP_BSS_IDLE: priv->media_connected = false; priv->port_open = false; if (netif_carrier_ok(priv->netdev)) netif_carrier_off(priv->netdev); mwifiex_stop_net_dev_queue(priv->netdev, adapter); mwifiex_clean_txrx(priv); mwifiex_del_all_sta_list(priv); break; case EVENT_UAP_BSS_ACTIVE: priv->media_connected = true; priv->port_open = true; if (!netif_carrier_ok(priv->netdev)) netif_carrier_on(priv->netdev); mwifiex_wake_up_net_dev_queue(priv->netdev, adapter); break; case EVENT_UAP_BSS_START: mwifiex_dbg(adapter, EVENT, "AP EVENT: event id: %#x\n", eventcause); priv->port_open = false; memcpy(priv->netdev->dev_addr, adapter->event_body + 2, ETH_ALEN); if (priv->hist_data) mwifiex_hist_data_reset(priv); mwifiex_check_uap_capabilties(priv, adapter->event_skb); break; case EVENT_UAP_MIC_COUNTERMEASURES: /* For future development */ mwifiex_dbg(adapter, EVENT, "AP EVENT: event id: %#x\n", eventcause); break; case EVENT_AMSDU_AGGR_CTRL: ctrl = le16_to_cpu(*(__le16 *)adapter->event_body); mwifiex_dbg(adapter, EVENT, "event: AMSDU_AGGR_CTRL %d\n", ctrl); if (priv->media_connected) { adapter->tx_buf_size = min_t(u16, adapter->curr_tx_buf_size, ctrl); mwifiex_dbg(adapter, EVENT, "event: tx_buf_size %d\n", adapter->tx_buf_size); } break; case EVENT_ADDBA: mwifiex_dbg(adapter, EVENT, "event: ADDBA Request\n"); if (priv->media_connected) mwifiex_send_cmd(priv, HostCmd_CMD_11N_ADDBA_RSP, HostCmd_ACT_GEN_SET, 0, adapter->event_body, false); break; case EVENT_DELBA: mwifiex_dbg(adapter, EVENT, "event: DELBA Request\n"); if (priv->media_connected) mwifiex_11n_delete_ba_stream(priv, adapter->event_body); break; case EVENT_BA_STREAM_TIEMOUT: mwifiex_dbg(adapter, EVENT, "event: BA Stream timeout\n"); if (priv->media_connected) { ba_timeout = (void *)adapter->event_body; mwifiex_11n_ba_stream_timeout(priv, ba_timeout); } break; case EVENT_EXT_SCAN_REPORT: mwifiex_dbg(adapter, EVENT, "event: EXT_SCAN Report\n"); if (adapter->ext_scan) return mwifiex_handle_event_ext_scan_report(priv, adapter->event_skb->data); break; case EVENT_TX_STATUS_REPORT: mwifiex_dbg(adapter, EVENT, "event: TX_STATUS Report\n"); mwifiex_parse_tx_status_event(priv, adapter->event_body); break; case EVENT_PS_SLEEP: mwifiex_dbg(adapter, EVENT, "info: EVENT: SLEEP\n"); adapter->ps_state = PS_STATE_PRE_SLEEP; mwifiex_check_ps_cond(adapter); break; case EVENT_PS_AWAKE: mwifiex_dbg(adapter, EVENT, "info: EVENT: AWAKE\n"); if (!adapter->pps_uapsd_mode && priv->media_connected && adapter->sleep_period.period) { adapter->pps_uapsd_mode = true; mwifiex_dbg(adapter, EVENT, "event: PPS/UAPSD mode activated\n"); } adapter->tx_lock_flag = false; if (adapter->pps_uapsd_mode && adapter->gen_null_pkt) { if (mwifiex_check_last_packet_indication(priv)) { if (adapter->data_sent) { adapter->ps_state = PS_STATE_AWAKE; adapter->pm_wakeup_card_req = false; adapter->pm_wakeup_fw_try = false; break; } if (!mwifiex_send_null_packet (priv, MWIFIEX_TxPD_POWER_MGMT_NULL_PACKET | MWIFIEX_TxPD_POWER_MGMT_LAST_PACKET)) adapter->ps_state = PS_STATE_SLEEP; return 0; } } adapter->ps_state = PS_STATE_AWAKE; adapter->pm_wakeup_card_req = false; adapter->pm_wakeup_fw_try = false; break; case EVENT_CHANNEL_REPORT_RDY: mwifiex_dbg(adapter, EVENT, "event: Channel Report\n"); mwifiex_11h_handle_chanrpt_ready(priv, adapter->event_skb); break; case EVENT_RADAR_DETECTED: mwifiex_dbg(adapter, EVENT, "event: Radar detected\n"); mwifiex_11h_handle_radar_detected(priv, adapter->event_skb); break; case EVENT_BT_COEX_WLAN_PARA_CHANGE: dev_err(adapter->dev, "EVENT: BT coex wlan param update\n"); mwifiex_bt_coex_wlan_param_update_event(priv, adapter->event_skb); break; case EVENT_TX_DATA_PAUSE: mwifiex_dbg(adapter, EVENT, "event: TX DATA PAUSE\n"); mwifiex_process_tx_pause_event(priv, adapter->event_skb); break; case EVENT_MULTI_CHAN_INFO: mwifiex_dbg(adapter, EVENT, "event: multi-chan info\n"); mwifiex_process_multi_chan_event(priv, adapter->event_skb); break; default: mwifiex_dbg(adapter, EVENT, "event: unknown event id: %#x\n", eventcause); break; } return 0; }
/* * This function handles events generated by firmware. * * This is a generic function and handles all events. * * Event specific routines are called by this function based * upon the generated event cause. * * For the following events, the function just forwards them to upper * layers, optionally recording the change - * - EVENT_LINK_SENSED * - EVENT_MIC_ERR_UNICAST * - EVENT_MIC_ERR_MULTICAST * - EVENT_PORT_RELEASE * - EVENT_RSSI_LOW * - EVENT_SNR_LOW * - EVENT_MAX_FAIL * - EVENT_RSSI_HIGH * - EVENT_SNR_HIGH * - EVENT_DATA_RSSI_LOW * - EVENT_DATA_SNR_LOW * - EVENT_DATA_RSSI_HIGH * - EVENT_DATA_SNR_HIGH * - EVENT_LINK_QUALITY * - EVENT_PRE_BEACON_LOST * - EVENT_IBSS_COALESCED * - EVENT_WEP_ICV_ERR * - EVENT_BW_CHANGE * - EVENT_HOSTWAKE_STAIE * * For the following events, no action is taken - * - EVENT_MIB_CHANGED * - EVENT_INIT_DONE * - EVENT_DUMMY_HOST_WAKEUP_SIGNAL * * Rest of the supported events requires driver handling - * - EVENT_DEAUTHENTICATED * - EVENT_DISASSOCIATED * - EVENT_LINK_LOST * - EVENT_PS_SLEEP * - EVENT_PS_AWAKE * - EVENT_DEEP_SLEEP_AWAKE * - EVENT_HS_ACT_REQ * - EVENT_ADHOC_BCN_LOST * - EVENT_BG_SCAN_REPORT * - EVENT_WMM_STATUS_CHANGE * - EVENT_ADDBA * - EVENT_DELBA * - EVENT_BA_STREAM_TIEMOUT * - EVENT_AMSDU_AGGR_CTRL */ int mwifiex_process_sta_event(struct mwifiex_private *priv) { struct mwifiex_adapter *adapter = priv->adapter; int ret = 0; u32 eventcause = adapter->event_cause; switch (eventcause) { case EVENT_DUMMY_HOST_WAKEUP_SIGNAL: dev_err(adapter->dev, "invalid EVENT: DUMMY_HOST_WAKEUP_SIGNAL," " ignoring it\n"); break; case EVENT_LINK_SENSED: dev_dbg(adapter->dev, "event: LINK_SENSED\n"); if (!netif_carrier_ok(priv->netdev)) netif_carrier_on(priv->netdev); if (netif_queue_stopped(priv->netdev)) mwifiex_wake_up_net_dev_queue(priv->netdev, adapter); break; case EVENT_DEAUTHENTICATED: dev_dbg(adapter->dev, "event: Deauthenticated\n"); adapter->dbg.num_event_deauth++; if (priv->media_connected) mwifiex_reset_connect_state(priv); break; case EVENT_DISASSOCIATED: dev_dbg(adapter->dev, "event: Disassociated\n"); adapter->dbg.num_event_disassoc++; if (priv->media_connected) mwifiex_reset_connect_state(priv); break; case EVENT_LINK_LOST: dev_dbg(adapter->dev, "event: Link lost\n"); adapter->dbg.num_event_link_lost++; if (priv->media_connected) mwifiex_reset_connect_state(priv); break; case EVENT_PS_SLEEP: dev_dbg(adapter->dev, "info: EVENT: SLEEP\n"); adapter->ps_state = PS_STATE_PRE_SLEEP; mwifiex_check_ps_cond(adapter); break; case EVENT_PS_AWAKE: dev_dbg(adapter->dev, "info: EVENT: AWAKE\n"); if (!adapter->pps_uapsd_mode && priv->media_connected && adapter->sleep_period.period) { adapter->pps_uapsd_mode = true; dev_dbg(adapter->dev, "event: PPS/UAPSD mode activated\n"); } adapter->tx_lock_flag = false; if (adapter->pps_uapsd_mode && adapter->gen_null_pkt) { if (mwifiex_check_last_packet_indication(priv)) { if (!adapter->data_sent) { if (!mwifiex_send_null_packet(priv, MWIFIEX_TxPD_POWER_MGMT_NULL_PACKET | MWIFIEX_TxPD_POWER_MGMT_LAST_PACKET)) adapter->ps_state = PS_STATE_SLEEP; return 0; } } } adapter->ps_state = PS_STATE_AWAKE; adapter->pm_wakeup_card_req = false; adapter->pm_wakeup_fw_try = false; break; case EVENT_DEEP_SLEEP_AWAKE: adapter->if_ops.wakeup_complete(adapter); dev_dbg(adapter->dev, "event: DS_AWAKE\n"); if (adapter->is_deep_sleep) adapter->is_deep_sleep = false; break; case EVENT_HS_ACT_REQ: dev_dbg(adapter->dev, "event: HS_ACT_REQ\n"); ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11_HS_CFG_ENH, 0, 0, NULL); break; case EVENT_MIC_ERR_UNICAST: dev_dbg(adapter->dev, "event: UNICAST MIC ERROR\n"); break; case EVENT_MIC_ERR_MULTICAST: dev_dbg(adapter->dev, "event: MULTICAST MIC ERROR\n"); break; case EVENT_MIB_CHANGED: case EVENT_INIT_DONE: break; case EVENT_ADHOC_BCN_LOST: dev_dbg(adapter->dev, "event: ADHOC_BCN_LOST\n"); priv->adhoc_is_link_sensed = false; mwifiex_clean_txrx(priv); if (!netif_queue_stopped(priv->netdev)) mwifiex_stop_net_dev_queue(priv->netdev, adapter); if (netif_carrier_ok(priv->netdev)) netif_carrier_off(priv->netdev); break; case EVENT_BG_SCAN_REPORT: dev_dbg(adapter->dev, "event: BGS_REPORT\n"); ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11_BG_SCAN_QUERY, HostCmd_ACT_GEN_GET, 0, NULL); break; case EVENT_PORT_RELEASE: dev_dbg(adapter->dev, "event: PORT RELEASE\n"); break; case EVENT_WMM_STATUS_CHANGE: dev_dbg(adapter->dev, "event: WMM status changed\n"); ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_WMM_GET_STATUS, 0, 0, NULL); break; case EVENT_RSSI_LOW: dev_dbg(adapter->dev, "event: Beacon RSSI_LOW\n"); break; case EVENT_SNR_LOW: dev_dbg(adapter->dev, "event: Beacon SNR_LOW\n"); break; case EVENT_MAX_FAIL: dev_dbg(adapter->dev, "event: MAX_FAIL\n"); break; case EVENT_RSSI_HIGH: dev_dbg(adapter->dev, "event: Beacon RSSI_HIGH\n"); break; case EVENT_SNR_HIGH: dev_dbg(adapter->dev, "event: Beacon SNR_HIGH\n"); break; case EVENT_DATA_RSSI_LOW: dev_dbg(adapter->dev, "event: Data RSSI_LOW\n"); break; case EVENT_DATA_SNR_LOW: dev_dbg(adapter->dev, "event: Data SNR_LOW\n"); break; case EVENT_DATA_RSSI_HIGH: dev_dbg(adapter->dev, "event: Data RSSI_HIGH\n"); break; case EVENT_DATA_SNR_HIGH: dev_dbg(adapter->dev, "event: Data SNR_HIGH\n"); break; case EVENT_LINK_QUALITY: dev_dbg(adapter->dev, "event: Link Quality\n"); break; case EVENT_PRE_BEACON_LOST: dev_dbg(adapter->dev, "event: Pre-Beacon Lost\n"); break; case EVENT_IBSS_COALESCED: dev_dbg(adapter->dev, "event: IBSS_COALESCED\n"); ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11_IBSS_COALESCING_STATUS, HostCmd_ACT_GEN_GET, 0, NULL); break; case EVENT_ADDBA: dev_dbg(adapter->dev, "event: ADDBA Request\n"); mwifiex_send_cmd_async(priv, HostCmd_CMD_11N_ADDBA_RSP, HostCmd_ACT_GEN_SET, 0, adapter->event_body); break; case EVENT_DELBA: dev_dbg(adapter->dev, "event: DELBA Request\n"); mwifiex_11n_delete_ba_stream(priv, adapter->event_body); break; case EVENT_BA_STREAM_TIEMOUT: dev_dbg(adapter->dev, "event: BA Stream timeout\n"); mwifiex_11n_ba_stream_timeout(priv, (struct host_cmd_ds_11n_batimeout *) adapter->event_body); break; case EVENT_AMSDU_AGGR_CTRL: dev_dbg(adapter->dev, "event: AMSDU_AGGR_CTRL %d\n", *(u16 *) adapter->event_body); adapter->tx_buf_size = min(adapter->curr_tx_buf_size, le16_to_cpu(*(__le16 *) adapter->event_body)); dev_dbg(adapter->dev, "event: tx_buf_size %d\n", adapter->tx_buf_size); break; case EVENT_WEP_ICV_ERR: dev_dbg(adapter->dev, "event: WEP ICV error\n"); break; case EVENT_BW_CHANGE: dev_dbg(adapter->dev, "event: BW Change\n"); break; case EVENT_HOSTWAKE_STAIE: dev_dbg(adapter->dev, "event: HOSTWAKE_STAIE %d\n", eventcause); break; default: dev_dbg(adapter->dev, "event: unknown event id: %#x\n", eventcause); break; } return ret; }