void rtw_createbss_cmd_callback(struct adapter *padapter, struct cmd_obj *pcmd)
{
struct sta_info *psta = NULL;
struct wlan_network *pwlan = NULL;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)pcmd->parmbuf;
struct wlan_network *tgt_network = &(pmlmepriv->cur_network);
if (pcmd->res != H2C_SUCCESS) {
RT_TRACE(_module_rtl871x_cmd_c_, _drv_err_, ("\n ********Error: rtw_createbss_cmd_callback Fail ************\n\n."));
mod_timer(&pmlmepriv->assoc_timer,
jiffies + msecs_to_jiffies(1));
}
del_timer_sync(&pmlmepriv->assoc_timer);
spin_lock_bh(&pmlmepriv->lock);
if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
psta = rtw_get_stainfo(&padapter->stapriv, pnetwork->MacAddress);
if (!psta) {
psta = rtw_alloc_stainfo(&padapter->stapriv, pnetwork->MacAddress);
if (psta == NULL) {
RT_TRACE(_module_rtl871x_cmd_c_, _drv_err_, ("\nCan't alloc sta_info when createbss_cmd_callback\n"));
goto createbss_cmd_fail;
}
}
rtw_indicate_connect(padapter);
} else {
pwlan = _rtw_alloc_network(pmlmepriv);
spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
if (pwlan == NULL) {
pwlan = rtw_get_oldest_wlan_network(&pmlmepriv->scanned_queue);
if (pwlan == NULL) {
RT_TRACE(_module_rtl871x_cmd_c_, _drv_err_, ("\n Error: can't get pwlan in rtw_joinbss_event_callback\n"));
spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
goto createbss_cmd_fail;
}
pwlan->last_scanned = jiffies;
} else {
list_add_tail(&(pwlan->list), &pmlmepriv->scanned_queue.queue);
}
pnetwork->Length = get_wlan_bssid_ex_sz(pnetwork);
memcpy(&(pwlan->network), pnetwork, pnetwork->Length);
memcpy(&tgt_network->network, pnetwork, (get_wlan_bssid_ex_sz(pnetwork)));
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
/* we will set _FW_LINKED when there is one more sat to join us (rtw_stassoc_event_callback) */
}
createbss_cmd_fail:
spin_unlock_bh(&pmlmepriv->lock);
rtw_free_cmd_obj(pcmd);
}
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_roaming(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_roaming(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;
}
u8 rtw_do_join(struct rtw_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;
_func_enter_;
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 (_rtw_queue_empty(queue) == true) {
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_roaming(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) {
RT_TRACE(_module_rtl871x_ioctl_set_c_,
_drv_err_,
("rtw_do_join(): site survey return error\n."));
}
}
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 (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... */
struct wlan_bssid_ex *pdev_network = &(padapter->registrypriv.dev_network);
pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
pibss = padapter->registrypriv.dev_network.MacAddress;
memset(&pdev_network->Ssid, 0, sizeof(struct ndis_802_11_ssid));
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_roaming(padapter) > 0) {
ret = rtw_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid, 1, NULL, 0);
if (_SUCCESS != ret)
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_,
("do_join(): site survey return error\n."));
}
}
}
}
exit:
_func_exit_;
return ret;
}
int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len)
{
int ret = _SUCCESS;
u8 *p;
u8 *pHT_caps_ie = NULL;
u8 *pHT_info_ie = NULL;
struct sta_info *psta = NULL;
u16 cap, ht_cap = false;
uint ie_len = 0;
int group_cipher, pairwise_cipher;
u8 channel, network_type, supportRate[NDIS_802_11_LENGTH_RATES_EX];
int supportRateNum = 0;
u8 OUI1[] = {0x00, 0x50, 0xf2, 0x01};
u8 WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
struct registry_priv *pregistrypriv = &padapter->registrypriv;
struct security_priv *psecuritypriv = &padapter->securitypriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_bssid_ex *pbss_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
u8 *ie = pbss_network->ies;
/* SSID */
/* Supported rates */
/* DS Params */
/* WLAN_EID_COUNTRY */
/* ERP Information element */
/* Extended supported rates */
/* WPA/WPA2 */
/* Wi-Fi Wireless Multimedia Extensions */
/* ht_capab, ht_oper */
/* WPS IE */
DBG_88E("%s, len =%d\n", __func__, len);
if (check_fwstate(pmlmepriv, WIFI_AP_STATE) != true)
return _FAIL;
if (len < 0 || len > MAX_IE_SZ)
return _FAIL;
pbss_network->ie_length = len;
memset(ie, 0, MAX_IE_SZ);
memcpy(ie, pbuf, pbss_network->ie_length);
if (pbss_network->InfrastructureMode != Ndis802_11APMode)
return _FAIL;
pbss_network->Rssi = 0;
ether_addr_copy(pbss_network->MacAddress, myid(&padapter->eeprompriv));
/* beacon interval */
p = rtw_get_beacon_interval_from_ie(ie);/* 8: TimeStamp, 2: Beacon Interval 2:Capability */
pbss_network->Configuration.BeaconPeriod = get_unaligned_le16(p);
/* capability */
cap = get_unaligned_le16(ie);
/* SSID */
p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SSID_IE_, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_));
if (p && ie_len > 0) {
memset(&pbss_network->Ssid, 0, sizeof(struct ndis_802_11_ssid));
memcpy(pbss_network->Ssid.Ssid, (p + 2), ie_len);
pbss_network->Ssid.SsidLength = ie_len;
}
/* channel */
channel = 0;
pbss_network->Configuration.Length = 0;
p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _DSSET_IE_, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_));
if (p && ie_len > 0)
channel = *(p + 2);
pbss_network->Configuration.DSConfig = channel;
memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX);
/* get supported rates */
p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_));
if (p) {
memcpy(supportRate, p + 2, ie_len);
supportRateNum = ie_len;
}
/* get ext_supported rates */
p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _EXT_SUPPORTEDRATES_IE_, &ie_len, pbss_network->ie_length - _BEACON_IE_OFFSET_);
if (p) {
memcpy(supportRate + supportRateNum, p + 2, ie_len);
supportRateNum += ie_len;
}
network_type = rtw_check_network_type(supportRate, supportRateNum, channel);
rtw_set_supported_rate(pbss_network->SupportedRates, network_type);
/* parsing ERP_IE */
p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_));
if (p && ie_len > 0)
ERP_IE_handler(padapter, (struct ndis_802_11_var_ie *)p);
/* update privacy/security */
if (cap & BIT(4))
pbss_network->Privacy = 1;
else
pbss_network->Privacy = 0;
psecuritypriv->wpa_psk = 0;
/* wpa2 */
group_cipher = 0;
pairwise_cipher = 0;
psecuritypriv->wpa2_group_cipher = _NO_PRIVACY_;
psecuritypriv->wpa2_pairwise_cipher = _NO_PRIVACY_;
p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _RSN_IE_2_, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_));
if (p && ie_len > 0) {
if (rtw_parse_wpa2_ie(p, ie_len + 2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
psecuritypriv->dot8021xalg = 1;/* psk, todo:802.1x */
psecuritypriv->wpa_psk |= BIT(1);
psecuritypriv->wpa2_group_cipher = group_cipher;
psecuritypriv->wpa2_pairwise_cipher = pairwise_cipher;
}
}
/* wpa */
ie_len = 0;
group_cipher = 0;
pairwise_cipher = 0;
psecuritypriv->wpa_group_cipher = _NO_PRIVACY_;
psecuritypriv->wpa_pairwise_cipher = _NO_PRIVACY_;
for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) {
p = rtw_get_ie(p, _SSN_IE_1_, &ie_len,
(pbss_network->ie_length - _BEACON_IE_OFFSET_ - (ie_len + 2)));
if ((p) && (!memcmp(p + 2, OUI1, 4))) {
if (rtw_parse_wpa_ie(p, ie_len + 2, &group_cipher,
&pairwise_cipher, NULL) == _SUCCESS) {
psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
psecuritypriv->dot8021xalg = 1;/* psk, todo:802.1x */
psecuritypriv->wpa_psk |= BIT(0);
psecuritypriv->wpa_group_cipher = group_cipher;
psecuritypriv->wpa_pairwise_cipher = pairwise_cipher;
}
break;
}
if ((!p) || (ie_len == 0))
break;
}
/* wmm */
ie_len = 0;
pmlmepriv->qospriv.qos_option = 0;
if (pregistrypriv->wmm_enable) {
for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) {
p = rtw_get_ie(p, _VENDOR_SPECIFIC_IE_, &ie_len,
(pbss_network->ie_length - _BEACON_IE_OFFSET_ - (ie_len + 2)));
if ((p) && !memcmp(p + 2, WMM_PARA_IE, 6)) {
pmlmepriv->qospriv.qos_option = 1;
/* QoS Info, support U-APSD */
*(p + 8) |= BIT(7);
/* disable all ACM bits since the WMM
* admission control is not supported
*/
*(p + 10) &= ~BIT(4); /* BE */
*(p + 14) &= ~BIT(4); /* BK */
*(p + 18) &= ~BIT(4); /* VI */
*(p + 22) &= ~BIT(4); /* VO */
break;
}
if ((!p) || (ie_len == 0))
break;
}
}
/* parsing HT_CAP_IE */
p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_CAPABILITY_IE_, &ie_len,
(pbss_network->ie_length - _BEACON_IE_OFFSET_));
if (p && ie_len > 0) {
struct ieee80211_ht_cap *pht_cap = (struct ieee80211_ht_cap *)(p + 2);
pHT_caps_ie = p;
ht_cap = true;
network_type |= WIRELESS_11_24N;
if ((psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_CCMP) ||
(psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_CCMP))
pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY & (0x07 << 2));
else
pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY & 0x00);
/* set Max Rx AMPDU size to 64K */
pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_FACTOR & 0x03);
pht_cap->mcs.rx_mask[0] = 0xff;
pht_cap->mcs.rx_mask[1] = 0x0;
memcpy(&pmlmepriv->htpriv.ht_cap, p+2, ie_len);
}
/* parsing HT_INFO_IE */
p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_ADD_INFO_IE_, &ie_len,
(pbss_network->ie_length - _BEACON_IE_OFFSET_));
if (p && ie_len > 0)
pHT_info_ie = p;
switch (network_type) {
case WIRELESS_11B:
pbss_network->NetworkTypeInUse = Ndis802_11DS;
break;
case WIRELESS_11G:
case WIRELESS_11BG:
case WIRELESS_11G_24N:
case WIRELESS_11BG_24N:
pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
break;
case WIRELESS_11A:
pbss_network->NetworkTypeInUse = Ndis802_11OFDM5;
break;
default:
pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
break;
}
pmlmepriv->cur_network.network_type = network_type;
pmlmepriv->htpriv.ht_option = false;
if ((psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_TKIP) ||
(psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_TKIP)) {
/* todo: */
/* ht_cap = false; */
}
/* ht_cap */
if (pregistrypriv->ht_enable && ht_cap) {
pmlmepriv->htpriv.ht_option = true;
pmlmepriv->qospriv.qos_option = 1;
if (pregistrypriv->ampdu_enable == 1)
pmlmepriv->htpriv.ampdu_enable = true;
HT_caps_handler(padapter, (struct ndis_802_11_var_ie *)pHT_caps_ie);
HT_info_handler(padapter, (struct ndis_802_11_var_ie *)pHT_info_ie);
}
pbss_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pbss_network);
/* issue beacon to start bss network */
start_bss_network(padapter, (u8 *)pbss_network);
/* alloc sta_info for ap itself */
psta = rtw_get_stainfo(&padapter->stapriv, pbss_network->MacAddress);
if (!psta) {
psta = rtw_alloc_stainfo(&padapter->stapriv, pbss_network->MacAddress);
if (!psta)
return _FAIL;
}
/* fix bug of flush_cam_entry at STOP AP mode */
psta->state |= WIFI_AP_STATE;
rtw_indicate_connect(padapter);
pmlmepriv->cur_network.join_res = true;/* for check if already set beacon */
return ret;
}
