/**
* @brief Callback to finish 11H channel check handling.
* Not to be called directly to initiate channel check.
*
* @param priv A pointer to mlan_private structure (cast from t_void*)
*
* @return MLAN_STATUS_SUCCESS/PENDING --success, otherwise fail
* @sa wlan_uap_11h_channel_check_req
*/
static mlan_status
wlan_uap_callback_11h_channel_check_req(IN t_void * priv)
{
mlan_status ret = MLAN_STATUS_FAILURE;
mlan_private *pmpriv = (mlan_private *) priv;
mlan_callbacks *pcb = (mlan_callbacks *) & pmpriv->adapter->callbacks;
wlan_uap_get_info_cb_t *puap_state_chan_cb = &pmpriv->uap_state_chan_cb;
/* keep copy as local variable */
pmlan_ioctl_req pioctl = puap_state_chan_cb->pioctl_req_curr;
ENTER();
/* clear callback now that we're here */
puap_state_chan_cb->get_chan_callback = MNULL;
/* clear early to avoid race condition */
puap_state_chan_cb->pioctl_req_curr = MNULL;
/*
* Check if the region and channel requires a channel availability
* check.
*/
if ((puap_state_chan_cb->band_config & BAND_CONFIG_5GHZ) &&
wlan_11h_radar_detect_required(pmpriv, puap_state_chan_cb->channel)
&& !wlan_11h_is_channel_under_nop(pmpriv->adapter,
puap_state_chan_cb->channel)) {
/*
* Radar detection is required for this channel, make sure
* 11h is activated in the firmware
*/
ret = wlan_11h_activate(pmpriv, MNULL, MTRUE);
ret = wlan_11h_config_master_radar_det(pmpriv, MTRUE);
ret = wlan_11h_check_update_radar_det_state(pmpriv);
/* Check for radar on the channel */
ret = wlan_11h_issue_radar_detect(pmpriv,
pioctl,
puap_state_chan_cb->channel);
if (ret == MLAN_STATUS_SUCCESS)
ret = MLAN_STATUS_PENDING;
} else {
/* No command sent with the ioctl, need manually signal
completion */
pcb->moal_ioctl_complete(pmpriv->adapter->pmoal_handle,
pioctl, MLAN_STATUS_FAILURE);
}
LEAVE();
return ret;
}
/**
* @brief Callback to finish 11H handling
* Not to be called directly to initiate 11H setting.
*
* @param pmpriv A pointer to mlan_private structure (cast from t_void*)
*
* @return MLAN_STATUS_PENDING --success, otherwise fail
* @sa wlan_uap_snmp_mib_11h
*/
static mlan_status
wlan_uap_callback_snmp_mib_11h(IN t_void * priv)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
mlan_private *pmpriv = (mlan_private *) priv;
wlan_uap_get_info_cb_t *puap_state_chan_cb = &pmpriv->uap_state_chan_cb;
mlan_ds_snmp_mib *snmp;
t_bool enable_11h;
ENTER();
/* clear callback now that we're here */
puap_state_chan_cb->get_chan_callback = MNULL;
snmp = (mlan_ds_snmp_mib *) puap_state_chan_cb->pioctl_req_curr->pbuf;
enable_11h = (snmp->param.oid_value) ? MTRUE : MFALSE;
if (enable_11h) {
if ((puap_state_chan_cb->band_config & BAND_CONFIG_5GHZ) &&
wlan_11h_radar_detect_required(pmpriv,
puap_state_chan_cb->channel)) {
if (!wlan_11h_is_master_radar_det_active(pmpriv))
wlan_11h_config_master_radar_det(pmpriv, MTRUE);
}
}
ret =
wlan_11h_activate(pmpriv,
(t_void *) puap_state_chan_cb->pioctl_req_curr,
enable_11h);
wlan_11h_check_update_radar_det_state(pmpriv);
if (ret == MLAN_STATUS_SUCCESS)
ret = MLAN_STATUS_PENDING;
puap_state_chan_cb->pioctl_req_curr = MNULL; // prevent re-use
LEAVE();
return ret;
}
/**
* @brief This function handles disconnect event, reports disconnect
* to upper layer, cleans tx/rx packets,
* resets link state etc.
*
* @param priv A pointer to mlan_private structure
* @param drv_disconnect Flag indicating the driver should disconnect
* and flush pending packets.
*
* @return N/A
*/
t_void
wlan_reset_connect_state(pmlan_private priv, t_u8 drv_disconnect)
{
mlan_adapter *pmadapter = priv->adapter;
mlan_status ret = MLAN_STATUS_SUCCESS;
state_11d_t enable;
ENTER();
PRINTM(MINFO, "Handles disconnect event.\n");
if (drv_disconnect) {
priv->media_connected = MFALSE;
wlan_11h_check_update_radar_det_state(priv);
}
if (priv->port_ctrl_mode == MTRUE) {
/* Close the port on Disconnect */
PRINTM(MINFO, "DISC: port_status = CLOSED\n");
priv->port_open = MFALSE;
}
pmadapter->scan_block = MFALSE;
/* 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_rate_info = 0;
priv->max_amsdu = 0;
wlan_coex_ampdu_rxwinsize(pmadapter);
priv->sec_info.ewpa_enabled = MFALSE;
priv->sec_info.wpa_enabled = MFALSE;
priv->sec_info.wpa2_enabled = MFALSE;
priv->wpa_ie_len = 0;
priv->sec_info.wapi_enabled = MFALSE;
priv->wapi_ie_len = 0;
priv->sec_info.wapi_key_on = MFALSE;
priv->wps.session_enable = MFALSE;
memset(priv->adapter, (t_u8 *)&priv->wps.wps_ie, 0x00,
sizeof(priv->wps.wps_ie));
priv->sec_info.osen_enabled = MFALSE;
priv->osen_ie_len = 0;
priv->sec_info.encryption_mode = MLAN_ENCRYPTION_MODE_NONE;
/* Enable auto data rate */
priv->is_data_rate_auto = MTRUE;
priv->data_rate = 0;
if (priv->bss_mode == MLAN_BSS_MODE_IBSS) {
priv->adhoc_state = ADHOC_IDLE;
priv->adhoc_is_link_sensed = MFALSE;
priv->intf_state_11h.adhoc_auto_sel_chan = MTRUE;
}
if (drv_disconnect) {
/* Free Tx and Rx packets, report disconnect to upper layer */
wlan_clean_txrx(priv);
/* Need to erase the current SSID and BSSID info */
memset(pmadapter,
&priv->curr_bss_params, 0x00,
sizeof(priv->curr_bss_params));
}
wlan_send_tdls_tear_down_request(priv);
wlan_delete_station_list(priv);
pmadapter->tdls_status = TDLS_NOT_SETUP;
priv->wmm_qosinfo = priv->saved_wmm_qosinfo;
pmadapter->sleep_period.period = pmadapter->saved_sleep_period.period;
pmadapter->tx_lock_flag = MFALSE;
pmadapter->pps_uapsd_mode = MFALSE;
pmadapter->delay_null_pkt = MFALSE;
if ((wlan_11d_is_enabled(priv)) &&
(priv->state_11d.user_enable_11d == DISABLE_11D)) {
priv->state_11d.enable_11d = DISABLE_11D;
enable = DISABLE_11D;
/* Send cmd to FW to enable/disable 11D function */
ret = wlan_prepare_cmd(priv,
HostCmd_CMD_802_11_SNMP_MIB,
HostCmd_ACT_GEN_SET,
Dot11D_i, MNULL, &enable);
if (ret)
PRINTM(MERROR, "11D: Failed to enable 11D\n");
}
if (pmadapter->num_cmd_timeout && pmadapter->curr_cmd &&
(pmadapter->cmd_timer_is_set == MFALSE)) {
LEAVE();
return;
}
wlan_recv_event(priv, MLAN_EVENT_ID_FW_DISCONNECTED, MNULL);
LEAVE();
}
