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+ + adapter->dbg.num_event_link_lost++; + if (priv->media_connected) { + adapter->priv_link_lost = priv; + adapter->host_mlme_link_lost = true; + nxpwifi_queue_work(adapter, + &adapter->host_mlme_work); + } + + return 0; +} + +static int +nxpwifi_sta_event_link_sensed(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + if (!netif_carrier_ok(priv->netdev)) + netif_carrier_on(priv->netdev); + nxpwifi_wake_up_net_dev_queue(priv->netdev, adapter); + + return 0; +} + +static int +nxpwifi_sta_event_deauthenticated(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + u16 reason_code; + + if (priv->wps.session_enable) { + nxpwifi_dbg(adapter, INFO, + "info: receive deauth event in wps session\n"); + } else { + adapter->dbg.num_event_deauth++; + if (priv->media_connected) { + reason_code = + get_unaligned_le16(adapter->event_body); + nxpwifi_reset_connect_state(priv, reason_code, true); + } + } + + return 0; +} + +static int +nxpwifi_sta_event_disassociated(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + u16 reason_code; + + if (priv->wps.session_enable) { + nxpwifi_dbg(adapter, INFO, + "info: receive disassoc event in wps session\n"); + } else { + adapter->dbg.num_event_disassoc++; + if (priv->media_connected) { + reason_code = + get_unaligned_le16(adapter->event_body); + nxpwifi_reset_connect_state(priv, reason_code, true); + } + } + + return 0; +} + +static int +nxpwifi_sta_event_ps_awake(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + if (!adapter->pps_uapsd_mode && + priv->port_open && + priv->media_connected && adapter->sleep_period.period) { + adapter->pps_uapsd_mode = true; + nxpwifi_dbg(adapter, EVENT, + "event: PPS/UAPSD mode activated\n"); + } + adapter->tx_lock_flag = false; + if (adapter->pps_uapsd_mode && adapter->gen_null_pkt) { + if (nxpwifi_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; + del_timer(&adapter->wakeup_timer); + } else { + if (!nxpwifi_send_null_packet + (priv, + NXPWIFI_TxPD_POWER_MGMT_NULL_PACKET | + NXPWIFI_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); + + return 0; +} + +static int +nxpwifi_sta_event_ps_sleep(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + adapter->ps_state = PS_STATE_PRE_SLEEP; + nxpwifi_check_ps_cond(adapter); + + return 0; +} + +static int +nxpwifi_sta_event_mic_err_multicast(struct nxpwifi_private *priv) +{ + cfg80211_michael_mic_failure(priv->netdev, priv->cfg_bssid, + NL80211_KEYTYPE_GROUP, + -1, NULL, GFP_KERNEL); + + return 0; +} + +static int +nxpwifi_sta_event_mic_err_unicast(struct nxpwifi_private *priv) +{ + cfg80211_michael_mic_failure(priv->netdev, priv->cfg_bssid, + NL80211_KEYTYPE_PAIRWISE, + -1, NULL, GFP_KERNEL); + + return 0; +} + +static int +nxpwifi_sta_event_deep_sleep_awake(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + adapter->if_ops.wakeup_complete(adapter); + if (adapter->is_deep_sleep) + adapter->is_deep_sleep = false; + + return 0; +} + +static int +nxpwifi_sta_event_wmm_status_change(struct nxpwifi_private *priv) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_WMM_GET_STATUS, + 0, 0, NULL, false); +} + +static int +nxpwifi_sta_event_bs_scan_report(struct nxpwifi_private *priv) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_802_11_BG_SCAN_QUERY, + HOST_ACT_GEN_GET, 0, NULL, false); +} + +static int +nxpwifi_sta_event_rssi_low(struct nxpwifi_private *priv) +{ + cfg80211_cqm_rssi_notify(priv->netdev, + NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW, + 0, GFP_KERNEL); + priv->subsc_evt_rssi_state = RSSI_LOW_RECVD; + + return nxpwifi_send_cmd(priv, HOST_CMD_RSSI_INFO, + HOST_ACT_GEN_GET, 0, NULL, false); +} + +static int +nxpwifi_sta_event_rssi_high(struct nxpwifi_private *priv) +{ + cfg80211_cqm_rssi_notify(priv->netdev, + NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH, + 0, GFP_KERNEL); + priv->subsc_evt_rssi_state = RSSI_HIGH_RECVD; + + return nxpwifi_send_cmd(priv, HOST_CMD_RSSI_INFO, + HOST_ACT_GEN_GET, 0, NULL, false); +} + +static int +nxpwifi_sta_event_port_release(struct nxpwifi_private *priv) +{ + priv->port_open = true; + + return 0; +} + +static int +nxpwifi_sta_event_addba(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + return nxpwifi_send_cmd(priv, HOST_CMD_11N_ADDBA_RSP, + HOST_ACT_GEN_SET, 0, + adapter->event_body, false); +} + +static int +nxpwifi_sta_event_delba(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + nxpwifi_11n_delete_ba_stream(priv, adapter->event_body); + + return 0; +} + +static int +nxpwifi_sta_event_bs_stream_timeout(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct host_cmd_ds_11n_batimeout *event = + (struct host_cmd_ds_11n_batimeout *)adapter->event_body; + + nxpwifi_11n_ba_stream_timeout(priv, event); + + return 0; +} + +static int +nxpwifi_sta_event_amsdu_aggr_ctrl(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + u16 ctrl; + + ctrl = get_unaligned_le16(adapter->event_body); + adapter->tx_buf_size = min_t(u16, adapter->curr_tx_buf_size, ctrl); + + return 0; +} + +static int +nxpwifi_sta_event_hs_act_req(struct nxpwifi_private *priv) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_802_11_HS_CFG_ENH, + 0, 0, NULL, false); +} + +static int +nxpwifi_sta_event_channel_switch_ann(struct nxpwifi_private *priv) +{ + struct nxpwifi_bssdescriptor *bss_desc; + + bss_desc = &priv->curr_bss_params.bss_descriptor; + priv->csa_expire_time = jiffies + msecs_to_jiffies(DFS_CHAN_MOVE_TIME); + priv->csa_chan = bss_desc->channel; + return nxpwifi_send_cmd(priv, HOST_CMD_802_11_DEAUTHENTICATE, + HOST_ACT_GEN_SET, 0, + bss_desc->mac_address, false); +} + +static int +nxpwifi_sta_event_radar_detected(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + return nxpwifi_11h_handle_radar_detected(priv, adapter->event_skb); +} + +static int +nxpwifi_sta_event_channel_report_rdy(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + return nxpwifi_11h_handle_chanrpt_ready(priv, adapter->event_skb); +} + +static int +nxpwifi_sta_event_tx_data_pause(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + nxpwifi_process_tx_pause_event(priv, adapter->event_skb); + + return 0; +} + +static int +nxpwifi_sta_event_ext_scan_report(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + void *buf = adapter->event_skb->data; + int ret = 0; + + /* 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 = nxpwifi_handle_event_ext_scan_report(priv, buf); + + return ret; +} + +static int +nxpwifi_sta_event_rxba_sync(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + nxpwifi_11n_rxba_sync_event(priv, adapter->event_body, + adapter->event_skb->len - + sizeof(adapter->event_cause)); + + return 0; +} + +static int +nxpwifi_sta_event_remain_on_chan_expired(struct nxpwifi_private *priv) +{ + if (priv->auth_flag & HOST_MLME_AUTH_PENDING) { + priv->auth_flag = 0; + priv->auth_alg = WLAN_AUTH_NONE; + } else { + cfg80211_remain_on_channel_expired(&priv->wdev, + priv->roc_cfg.cookie, + &priv->roc_cfg.chan, + GFP_ATOMIC); + } + + memset(&priv->roc_cfg, 0x00, sizeof(struct nxpwifi_roc_cfg)); + + return 0; +} + +static int +nxpwifi_sta_event_bg_scan_stopped(struct nxpwifi_private *priv) +{ + cfg80211_sched_scan_stopped(priv->wdev.wiphy, 0); + if (priv->sched_scanning) + priv->sched_scanning = false; + + return 0; +} + +static int +nxpwifi_sta_event_multi_chan_info(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + nxpwifi_process_multi_chan_event(priv, adapter->event_skb); + + return 0; +} + +static int +nxpwifi_sta_event_tx_status_report(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + nxpwifi_parse_tx_status_event(priv, adapter->event_body); + + return 0; +} + +static int +nxpwifi_sta_event_bt_coex_wlan_para_change(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + if (!adapter->ignore_btcoex_events) + nxpwifi_bt_coex_wlan_param_update_event(priv, + adapter->event_skb); + + return 0; +} + +static int +nxpwifi_sta_event_vdll_ind(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + return nxpwifi_process_vdll_event(priv, adapter->event_skb); +} + +static const struct nxpwifi_evt_entry evt_table_sta[] = { + {.event_cause = EVENT_LINK_LOST, + .event_handler = nxpwifi_sta_event_link_lost}, + {.event_cause = EVENT_LINK_SENSED, + .event_handler = nxpwifi_sta_event_link_sensed}, + {.event_cause = EVENT_DEAUTHENTICATED, + .event_handler = nxpwifi_sta_event_deauthenticated}, + {.event_cause = EVENT_DISASSOCIATED, + .event_handler = nxpwifi_sta_event_disassociated}, + {.event_cause = EVENT_PS_AWAKE, + .event_handler = nxpwifi_sta_event_ps_awake}, + {.event_cause = EVENT_PS_SLEEP, + .event_handler = nxpwifi_sta_event_ps_sleep}, + {.event_cause = EVENT_MIC_ERR_MULTICAST, + .event_handler = nxpwifi_sta_event_mic_err_multicast}, + {.event_cause = EVENT_MIC_ERR_UNICAST, + .event_handler = nxpwifi_sta_event_mic_err_unicast}, + {.event_cause = EVENT_DEEP_SLEEP_AWAKE, + .event_handler = nxpwifi_sta_event_deep_sleep_awake}, + {.event_cause = EVENT_WMM_STATUS_CHANGE, + .event_handler = nxpwifi_sta_event_wmm_status_change}, + {.event_cause = EVENT_BG_SCAN_REPORT, + .event_handler = nxpwifi_sta_event_bs_scan_report}, + {.event_cause = EVENT_RSSI_LOW, + .event_handler = nxpwifi_sta_event_rssi_low}, + {.event_cause = EVENT_RSSI_HIGH, + .event_handler = nxpwifi_sta_event_rssi_high}, + {.event_cause = EVENT_PORT_RELEASE, + .event_handler = nxpwifi_sta_event_port_release}, + {.event_cause = EVENT_ADDBA, + .event_handler = nxpwifi_sta_event_addba}, + {.event_cause = EVENT_DELBA, + .event_handler = nxpwifi_sta_event_delba}, + {.event_cause = EVENT_BA_STREAM_TIEMOUT, + .event_handler = nxpwifi_sta_event_bs_stream_timeout}, + {.event_cause = EVENT_AMSDU_AGGR_CTRL, + .event_handler = nxpwifi_sta_event_amsdu_aggr_ctrl}, + {.event_cause = EVENT_HS_ACT_REQ, + .event_handler = nxpwifi_sta_event_hs_act_req}, + {.event_cause = EVENT_CHANNEL_SWITCH_ANN, + .event_handler = nxpwifi_sta_event_channel_switch_ann}, + {.event_cause = EVENT_RADAR_DETECTED, + .event_handler = nxpwifi_sta_event_radar_detected}, + {.event_cause = EVENT_CHANNEL_REPORT_RDY, + .event_handler = nxpwifi_sta_event_channel_report_rdy}, + {.event_cause = EVENT_TX_DATA_PAUSE, + .event_handler = nxpwifi_sta_event_tx_data_pause}, + {.event_cause = EVENT_EXT_SCAN_REPORT, + .event_handler = nxpwifi_sta_event_ext_scan_report}, + {.event_cause = EVENT_RXBA_SYNC, + .event_handler = nxpwifi_sta_event_rxba_sync}, + {.event_cause = EVENT_REMAIN_ON_CHAN_EXPIRED, + .event_handler = nxpwifi_sta_event_remain_on_chan_expired}, + {.event_cause = EVENT_BG_SCAN_STOPPED, + .event_handler = nxpwifi_sta_event_bg_scan_stopped}, + {.event_cause = EVENT_MULTI_CHAN_INFO, + .event_handler = nxpwifi_sta_event_multi_chan_info}, + {.event_cause = EVENT_TX_STATUS_REPORT, + .event_handler = nxpwifi_sta_event_tx_status_report}, + {.event_cause = EVENT_BT_COEX_WLAN_PARA_CHANGE, + .event_handler = nxpwifi_sta_event_bt_coex_wlan_para_change}, + {.event_cause = EVENT_VDLL_IND, + .event_handler = nxpwifi_sta_event_vdll_ind}, + {.event_cause = EVENT_DUMMY_HOST_WAKEUP_SIGNAL, + .event_handler = NULL}, + {.event_cause = EVENT_MIB_CHANGED, + .event_handler = NULL}, + {.event_cause = EVENT_INIT_DONE, + .event_handler = NULL}, + {.event_cause = EVENT_SNR_LOW, + .event_handler = NULL}, + {.event_cause = EVENT_MAX_FAIL, + .event_handler = NULL}, + {.event_cause = EVENT_SNR_HIGH, + .event_handler = NULL}, + {.event_cause = EVENT_DATA_RSSI_LOW, + .event_handler = NULL}, + {.event_cause = EVENT_DATA_SNR_LOW, + .event_handler = NULL}, + {.event_cause = EVENT_DATA_RSSI_HIGH, + .event_handler = NULL}, + {.event_cause = EVENT_DATA_SNR_HIGH, + .event_handler = NULL}, + {.event_cause = EVENT_LINK_QUALITY, + .event_handler = NULL}, + {.event_cause = EVENT_PRE_BEACON_LOST, + .event_handler = NULL}, + {.event_cause = EVENT_WEP_ICV_ERR, + .event_handler = NULL}, + {.event_cause = EVENT_BW_CHANGE, + .event_handler = NULL}, + {.event_cause = EVENT_HOSTWAKE_STAIE, + .event_handler = NULL}, + {.event_cause = EVENT_UNKNOWN_DEBUG, + .event_handler = NULL}, +}; + +static void nxpwifi_process_uap_tx_pause(struct nxpwifi_private *priv, + struct nxpwifi_ie_types_header *tlv) +{ + struct nxpwifi_tx_pause_tlv *tp; + struct nxpwifi_sta_node *sta_ptr; + + tp = (void *)tlv; + nxpwifi_dbg(priv->adapter, EVENT, + "uap tx_pause: %pM pause=%d, pkts=%d\n", + tp->peermac, tp->tx_pause, + tp->pkt_cnt); + + if (ether_addr_equal(tp->peermac, priv->netdev->dev_addr)) { + if (tp->tx_pause) + priv->port_open = false; + else + priv->port_open = true; + } else if (is_multicast_ether_addr(tp->peermac)) { + nxpwifi_update_ralist_tx_pause(priv, tp->peermac, tp->tx_pause); + } else { + spin_lock_bh(&priv->sta_list_spinlock); + sta_ptr = nxpwifi_get_sta_entry(priv, tp->peermac); + if (sta_ptr && sta_ptr->tx_pause != tp->tx_pause) { + sta_ptr->tx_pause = tp->tx_pause; + spin_unlock_bh(&priv->sta_list_spinlock); + nxpwifi_update_ralist_tx_pause(priv, tp->peermac, + tp->tx_pause); + } else { + spin_unlock_bh(&priv->sta_list_spinlock); + } + } +} + +static void nxpwifi_process_sta_tx_pause(struct nxpwifi_private *priv, + struct nxpwifi_ie_types_header *tlv) +{ + struct nxpwifi_tx_pause_tlv *tp; + + tp = (void *)tlv; + nxpwifi_dbg(priv->adapter, EVENT, + "sta tx_pause: %pM pause=%d, pkts=%d\n", + tp->peermac, tp->tx_pause, + tp->pkt_cnt); + + if (ether_addr_equal(tp->peermac, priv->cfg_bssid)) { + if (tp->tx_pause) + priv->port_open = false; + else + priv->port_open = true; + } +} + +/* This function resets the connection state. + * + * The function is invoked after receiving a disconnect event from firmware, + * and performs the following actions - + * - Set media status to disconnected + * - Clean up Tx and Rx packets + * - Resets SNR/NF/RSSI value in driver + * - Resets security configurations in driver + * - Enables auto data rate + * - Saves the previous SSID and BSSID so that they can + * be used for re-association, if required + * - Erases current SSID and BSSID information + * - Sends a disconnect event to upper layers/applications. + */ +void nxpwifi_reset_connect_state(struct nxpwifi_private *priv, u16 reason_code, + bool from_ap) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + if (!priv->media_connected) + return; + + nxpwifi_dbg(adapter, INFO, + "info: handles disconnect event\n"); + + priv->media_connected = false; + + priv->auth_flag = 0; + priv->auth_alg = WLAN_AUTH_NONE; + + priv->scan_block = false; + priv->port_open = false; + + /* Free Tx and Rx packets, report disconnect to upper layer */ + nxpwifi_clean_txrx(priv); + + /* 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; + priv->sec_info.wpa_enabled = false; + priv->sec_info.wpa2_enabled = false; + priv->wpa_ie_len = 0; + + priv->sec_info.encryption_mode = 0; + + /* Enable auto data rate */ + priv->is_data_rate_auto = true; + priv->data_rate = 0; + + priv->assoc_resp_ht_param = 0; + priv->ht_param_present = false; + + if ((GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA || + GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) && priv->hist_data) + nxpwifi_hist_data_reset(priv); + + /* Memorize the previous SSID and BSSID so + * it could be used for re-assoc + */ + + nxpwifi_dbg(adapter, INFO, + "info: previous SSID=%s, SSID len=%u\n", + priv->prev_ssid.ssid, priv->prev_ssid.ssid_len); + + nxpwifi_dbg(adapter, INFO, + "info: current SSID=%s, SSID len=%u\n", + priv->curr_bss_params.bss_descriptor.ssid.ssid, + priv->curr_bss_params.bss_descriptor.ssid.ssid_len); + + memcpy(&priv->prev_ssid, + &priv->curr_bss_params.bss_descriptor.ssid, + sizeof(struct cfg80211_ssid)); + + memcpy(priv->prev_bssid, + priv->curr_bss_params.bss_descriptor.mac_address, ETH_ALEN); + + /* Need to erase the current SSID and BSSID info */ + memset(&priv->curr_bss_params, 0x00, sizeof(priv->curr_bss_params)); + + adapter->tx_lock_flag = false; + adapter->pps_uapsd_mode = false; + + if (test_bit(NXPWIFI_IS_CMD_TIMEDOUT, &adapter->work_flags) && + adapter->curr_cmd) + return; + + priv->media_connected = false; + nxpwifi_dbg(adapter, MSG, + "info: successfully disconnected from %pM: reason code %d\n", + priv->cfg_bssid, reason_code); + + if (priv->bss_mode == NL80211_IFTYPE_STATION) { + if (adapter->host_mlme_link_lost) + nxpwifi_host_mlme_disconnect(adapter->priv_link_lost, + reason_code, NULL); + else + cfg80211_disconnected(priv->netdev, reason_code, NULL, + 0, !from_ap, GFP_KERNEL); + } + eth_zero_addr(priv->cfg_bssid); + + nxpwifi_stop_net_dev_queue(priv->netdev, adapter); + if (netif_carrier_ok(priv->netdev)) + netif_carrier_off(priv->netdev); + + if (!ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info)) + return; + + nxpwifi_send_cmd(priv, HOST_CMD_GTK_REKEY_OFFLOAD_CFG, + HOST_ACT_GEN_REMOVE, 0, NULL, false); +} + +void nxpwifi_process_multi_chan_event(struct nxpwifi_private *priv, + struct sk_buff *event_skb) +{ + struct nxpwifi_ie_types_multi_chan_info *chan_info; + struct nxpwifi_ie_types_mc_group_info *grp_info; + struct nxpwifi_adapter *adapter = priv->adapter; + struct nxpwifi_ie_types_header *tlv; + u16 tlv_buf_left, tlv_type, tlv_len; + int intf_num, bss_type, bss_num, i; + struct nxpwifi_private *intf_priv; + + tlv_buf_left = event_skb->len - sizeof(u32); + chan_info = (void *)event_skb->data + sizeof(u32); + + if (le16_to_cpu(chan_info->header.type) != TLV_TYPE_MULTI_CHAN_INFO || + tlv_buf_left < sizeof(struct nxpwifi_ie_types_multi_chan_info)) { + nxpwifi_dbg(adapter, ERROR, + "unknown TLV in chan_info event\n"); + return; + } + + adapter->usb_mc_status = le16_to_cpu(chan_info->status); + nxpwifi_dbg(adapter, EVENT, "multi chan operation %s\n", + adapter->usb_mc_status ? "started" : "over"); + + tlv_buf_left -= sizeof(struct nxpwifi_ie_types_multi_chan_info); + tlv = (struct nxpwifi_ie_types_header *)chan_info->tlv_buffer; + + while (tlv_buf_left >= (int)sizeof(struct nxpwifi_ie_types_header)) { + tlv_type = le16_to_cpu(tlv->type); + tlv_len = le16_to_cpu(tlv->len); + if ((sizeof(struct nxpwifi_ie_types_header) + tlv_len) > + tlv_buf_left) { + nxpwifi_dbg(adapter, ERROR, "wrong tlv: tlvLen=%d,\t" + "tlvBufLeft=%d\n", tlv_len, tlv_buf_left); + break; + } + if (tlv_type != TLV_TYPE_MC_GROUP_INFO) { + nxpwifi_dbg(adapter, ERROR, "wrong tlv type: 0x%x\n", + tlv_type); + break; + } + + grp_info = (struct nxpwifi_ie_types_mc_group_info *)tlv; + intf_num = grp_info->intf_num; + for (i = 0; i < intf_num; i++) { + bss_type = grp_info->bss_type_numlist[i] >> 4; + bss_num = grp_info->bss_type_numlist[i] & BSS_NUM_MASK; + intf_priv = nxpwifi_get_priv_by_id(adapter, bss_num, + bss_type); + if (!intf_priv) { + nxpwifi_dbg(adapter, ERROR, + "Invalid bss_type bss_num\t" + "in multi channel event\n"); + continue; + } + } + + tlv_buf_left -= sizeof(struct nxpwifi_ie_types_header) + + tlv_len; + tlv = (void *)((u8 *)tlv + tlv_len + + sizeof(struct nxpwifi_ie_types_header)); + } +} + +void nxpwifi_process_tx_pause_event(struct nxpwifi_private *priv, + struct sk_buff *event_skb) +{ + struct nxpwifi_ie_types_header *tlv; + u16 tlv_type, tlv_len; + int tlv_buf_left; + + if (!priv->media_connected) { + nxpwifi_dbg(priv->adapter, ERROR, + "tx_pause event while disconnected; bss_role=%d\n", + priv->bss_role); + return; + } + + tlv_buf_left = event_skb->len - sizeof(u32); + tlv = (void *)event_skb->data + sizeof(u32); + + while (tlv_buf_left >= (int)sizeof(struct nxpwifi_ie_types_header)) { + tlv_type = le16_to_cpu(tlv->type); + tlv_len = le16_to_cpu(tlv->len); + if ((sizeof(struct nxpwifi_ie_types_header) + tlv_len) > + tlv_buf_left) { + nxpwifi_dbg(priv->adapter, ERROR, + "wrong tlv: tlvLen=%d, tlvBufLeft=%d\n", + tlv_len, tlv_buf_left); + break; + } + if (tlv_type == TLV_TYPE_TX_PAUSE) { + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA) + nxpwifi_process_sta_tx_pause(priv, tlv); + else + nxpwifi_process_uap_tx_pause(priv, tlv); + } + + tlv_buf_left -= sizeof(struct nxpwifi_ie_types_header) + + tlv_len; + tlv = (void *)((u8 *)tlv + tlv_len + + sizeof(struct nxpwifi_ie_types_header)); + } +} + +/* This function handles coex events generated by firmware */ +void nxpwifi_bt_coex_wlan_param_update_event(struct nxpwifi_private *priv, + struct sk_buff *event_skb) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct nxpwifi_ie_types_header *tlv; + struct nxpwifi_ie_types_btcoex_aggr_win_size *winsizetlv; + struct nxpwifi_ie_types_btcoex_scan_time *scantlv; + s32 len = event_skb->len - sizeof(u32); + u8 *cur_ptr = event_skb->data + sizeof(u32); + u16 tlv_type, tlv_len; + + while (len >= sizeof(struct nxpwifi_ie_types_header)) { + tlv = (struct nxpwifi_ie_types_header *)cur_ptr; + tlv_len = le16_to_cpu(tlv->len); + tlv_type = le16_to_cpu(tlv->type); + + if ((tlv_len + sizeof(struct nxpwifi_ie_types_header)) > len) + break; + switch (tlv_type) { + case TLV_BTCOEX_WL_AGGR_WINSIZE: + winsizetlv = + (struct nxpwifi_ie_types_btcoex_aggr_win_size *)tlv; + adapter->coex_win_size = winsizetlv->coex_win_size; + adapter->coex_tx_win_size = + winsizetlv->tx_win_size; + adapter->coex_rx_win_size = + winsizetlv->rx_win_size; + nxpwifi_coex_ampdu_rxwinsize(adapter); + nxpwifi_update_ampdu_txwinsize(adapter); + break; + + case TLV_BTCOEX_WL_SCANTIME: + scantlv = + (struct nxpwifi_ie_types_btcoex_scan_time *)tlv; + adapter->coex_scan = scantlv->coex_scan; + adapter->coex_min_scan_time = le16_to_cpu(scantlv->min_scan_time); + adapter->coex_max_scan_time = le16_to_cpu(scantlv->max_scan_time); + break; + + default: + break; + } + + len -= tlv_len + sizeof(struct nxpwifi_ie_types_header); + cur_ptr += tlv_len + + sizeof(struct nxpwifi_ie_types_header); + } + + dev_dbg(adapter->dev, "coex_scan=%d min_scan=%d coex_win=%d, tx_win=%d rx_win=%d\n", + adapter->coex_scan, adapter->coex_min_scan_time, + adapter->coex_win_size, adapter->coex_tx_win_size, + adapter->coex_rx_win_size); +} + +/* 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. + */ +int nxpwifi_process_sta_event(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + u32 eventcause = adapter->event_cause; + int evt, ret = 0; + + for (evt = 0; evt < ARRAY_SIZE(evt_table_sta); evt++) { + if (eventcause == evt_table_sta[evt].event_cause) { + if (evt_table_sta[evt].event_handler) + ret = evt_table_sta[evt].event_handler(priv); + break; + } + } + + if (evt == ARRAY_SIZE(evt_table_sta)) + nxpwifi_dbg(adapter, EVENT, + "%s: unknown event id: %#x\n", + __func__, eventcause); + else + nxpwifi_dbg(adapter, EVENT, + "%s: event id: %#x\n", + __func__, eventcause); + + return ret; +}