u8 rtw_do_join(struct adapter *padapter)
{
struct list_head *plist, *phead;
u8 *pibss = NULL;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct __queue *queue = &(pmlmepriv->scanned_queue);
u8 ret = _SUCCESS;
spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
phead = get_list_head(queue);
plist = get_next(phead);
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_, ("\n rtw_do_join: phead = %p; plist = %p\n\n\n", phead, plist));
pmlmepriv->cur_network.join_res = -2;
set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
pmlmepriv->pscanned = plist;
pmlmepriv->to_join = true;
if (list_empty(&queue->queue)) {
spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
/* when set_ssid/set_bssid for rtw_do_join(), but scanning queue is empty */
/* we try to issue sitesurvey firstly */
if (pmlmepriv->LinkDetectInfo.bBusyTraffic == false
|| rtw_to_roam(padapter) > 0
) {
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_, ("rtw_do_join(): site survey if scanned_queue is empty\n."));
/* submit site_survey_cmd */
ret = rtw_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid, 1, NULL, 0);
if (_SUCCESS != ret) {
pmlmepriv->to_join = false;
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("rtw_do_join(): site survey return error\n."));
}
} else{
pmlmepriv->to_join = false;
ret = _FAIL;
}
goto exit;
} else{
int select_ret;
spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
select_ret = rtw_select_and_join_from_scanned_queue(pmlmepriv);
if (select_ret == _SUCCESS) {
pmlmepriv->to_join = false;
_set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
} else{
if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) {
/* submit createbss_cmd to change to a ADHOC_MASTER */
/* pmlmepriv->lock has been acquired by caller... */
struct wlan_bssid_ex *pdev_network = &(padapter->registrypriv.dev_network);
pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
pibss = padapter->registrypriv.dev_network.MacAddress;
memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
rtw_update_registrypriv_dev_network(padapter);
rtw_generate_random_ibss(pibss);
if (rtw_createbss_cmd(padapter) != _SUCCESS) {
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("***Error =>do_goin: rtw_createbss_cmd status FAIL***\n "));
ret = false;
goto exit;
}
pmlmepriv->to_join = false;
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_, ("***Error => rtw_select_and_join_from_scanned_queue FAIL under STA_Mode***\n "));
} else{
/* can't associate ; reset under-linking */
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
/* when set_ssid/set_bssid for rtw_do_join(), but there are no desired bss in scanning queue */
/* we try to issue sitesurvey firstly */
if (pmlmepriv->LinkDetectInfo.bBusyTraffic == false
|| rtw_to_roam(padapter) > 0
) {
/* DBG_871X("rtw_do_join() when no desired bss in scanning queue\n"); */
ret = rtw_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid, 1, NULL, 0);
if (_SUCCESS != ret) {
pmlmepriv->to_join = false;
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("do_join(): site survey return error\n."));
}
} else{
ret = _FAIL;
pmlmepriv->to_join = false;
}
}
}
}
exit:
return ret;
}
u8 rtw_do_join(_adapter * padapter)
{
_irqL irqL;
_list *plist, *phead;
u8* pibss = NULL;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
_queue *queue = &(pmlmepriv->scanned_queue);
u8 ret=_SUCCESS;
_func_enter_;
_enter_critical_bh(&(pmlmepriv->scanned_queue.lock), &irqL);
phead = get_list_head(queue);
plist = get_next(phead);
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("\n rtw_do_join: phead = %p; plist = %p \n\n\n", phead, plist));
pmlmepriv->cur_network.join_res = -2;
set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
pmlmepriv->pscanned = plist;
pmlmepriv->to_join = _TRUE;
if(_rtw_queue_empty(queue)== _TRUE)
{
_exit_critical_bh(&(pmlmepriv->scanned_queue.lock), &irqL);
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
//when set_ssid/set_bssid for rtw_do_join(), but scanning queue is empty
//we try to issue sitesurvey firstly
if (pmlmepriv->LinkDetectInfo.bBusyTraffic ==_FALSE
|| rtw_to_roam(padapter) > 0
)
{
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("rtw_do_join(): site survey if scanned_queue is empty\n."));
// submit site_survey_cmd
if(_SUCCESS!=(ret=rtw_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid, 1, NULL, 0)) ) {
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_err_,("rtw_do_join(): site survey return error\n."));
}
}
goto exit;
}
else
{
int select_ret;
_exit_critical_bh(&(pmlmepriv->scanned_queue.lock), &irqL);
if((select_ret=rtw_select_and_join_from_scanned_queue(pmlmepriv))==_SUCCESS)
{
pmlmepriv->to_join = _FALSE;
_set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
}
else if(ret == 2)//there is no need to wait for join
{
ret = _SUCCESS;
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
rtw_indicate_connect(padapter);
}
else
{
if(check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)==_TRUE)
{
// submit createbss_cmd to change to a ADHOC_MASTER
//pmlmepriv->lock has been acquired by caller...
WLAN_BSSID_EX *pdev_network = &(padapter->registrypriv.dev_network);
pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
pibss = padapter->registrypriv.dev_network.MacAddress;
_rtw_memset(&pdev_network->Ssid, 0, sizeof(NDIS_802_11_SSID));
_rtw_memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(NDIS_802_11_SSID));
rtw_update_registrypriv_dev_network(padapter);
rtw_generate_random_ibss(pibss);
if(rtw_createbss_cmd(padapter)!=_SUCCESS)
{
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_err_,("***Error=>do_goin: rtw_createbss_cmd status FAIL*** \n "));
ret = _FALSE;
goto exit;
}
pmlmepriv->to_join = _FALSE;
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("***Error=> rtw_select_and_join_from_scanned_queue FAIL under STA_Mode*** \n "));
}
else
{
// can't associate ; reset under-linking
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
#if 0
if((check_fwstate(pmlmepriv, WIFI_STATION_STATE) == _TRUE))
{
if(_rtw_memcmp(pmlmepriv->cur_network.network.Ssid.Ssid, pmlmepriv->assoc_ssid.Ssid, pmlmepriv->assoc_ssid.SsidLength))
{
// for funk to do roaming
// funk will reconnect, but funk will not sitesurvey before reconnect
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("for funk to do roaming"));
if(pmlmepriv->sitesurveyctrl.traffic_busy==_FALSE)
rtw_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid, 1, NULL, 0);
}
}
#endif
//when set_ssid/set_bssid for rtw_do_join(), but there are no desired bss in scanning queue
//we try to issue sitesurvey firstly
if(pmlmepriv->LinkDetectInfo.bBusyTraffic==_FALSE
|| rtw_to_roam(padapter) > 0
)
{
//DBG_871X("rtw_do_join() when no desired bss in scanning queue \n");
if( _SUCCESS!=(ret=rtw_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid, 1, NULL, 0)) ){
RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_err_,("do_join(): site survey return error\n."));
}
}
}
}
}
exit:
_func_exit_;
return ret;
}
