void rtw_get_bcn_info(struct wlan_network *pnetwork)
{
unsigned short cap = 0;
u8 bencrypt = 0;
/* u8 wpa_ie[255], rsn_ie[255]; */
u16 wpa_len = 0, rsn_len = 0;
struct HT_info_element *pht_info = NULL;
struct ieee80211_ht_cap *pht_cap = NULL;
unsigned int len;
unsigned char *p;
__le16 le_cap;
memcpy((u8 *)&le_cap, rtw_get_capability_from_ie(pnetwork->network.IEs), 2);
cap = le16_to_cpu(le_cap);
if (cap & WLAN_CAPABILITY_PRIVACY) {
bencrypt = 1;
pnetwork->network.Privacy = 1;
} else {
pnetwork->BcnInfo.encryp_protocol = ENCRYP_PROTOCOL_OPENSYS;
}
rtw_get_sec_ie(pnetwork->network.IEs , pnetwork->network.IELength, NULL,&rsn_len, NULL,&wpa_len);
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_get_bcn_info: ssid =%s\n", pnetwork->network.Ssid.Ssid));
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_get_bcn_info: wpa_len =%d rsn_len =%d\n", wpa_len, rsn_len));
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_get_bcn_info: ssid =%s\n", pnetwork->network.Ssid.Ssid));
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_get_bcn_info: wpa_len =%d rsn_len =%d\n", wpa_len, rsn_len));
if (rsn_len > 0) {
pnetwork->BcnInfo.encryp_protocol = ENCRYP_PROTOCOL_WPA2;
} else if (wpa_len > 0) {
pnetwork->BcnInfo.encryp_protocol = ENCRYP_PROTOCOL_WPA;
} else {
if (bencrypt)
pnetwork->BcnInfo.encryp_protocol = ENCRYP_PROTOCOL_WEP;
}
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_get_bcn_info: pnetwork->encryp_protocol is %x\n",
pnetwork->BcnInfo.encryp_protocol));
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_get_bcn_info: pnetwork->encryp_protocol is %x\n",
pnetwork->BcnInfo.encryp_protocol));
rtw_get_cipher_info(pnetwork);
/* get bwmode and ch_offset */
/* parsing HT_CAP_IE */
p = rtw_get_ie(pnetwork->network.IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, pnetwork->network.IELength - _FIXED_IE_LENGTH_);
if (p && len>0) {
pht_cap = (struct ieee80211_ht_cap *)(p + 2);
pnetwork->BcnInfo.ht_cap_info = le16_to_cpu(pht_cap->cap_info);
} else {
pnetwork->BcnInfo.ht_cap_info = 0;
}
/* parsing HT_INFO_IE */
p = rtw_get_ie(pnetwork->network.IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, pnetwork->network.IELength - _FIXED_IE_LENGTH_);
if (p && len>0) {
pht_info = (struct HT_info_element *)(p + 2);
pnetwork->BcnInfo.ht_info_infos_0 = pht_info->infos[0];
} else {
pnetwork->BcnInfo.ht_info_infos_0 = 0;
}
}
void rtw_get_bcn_info(struct wlan_network *pnetwork)
{
unsigned short cap = 0;
uint8_t bencrypt = 0;
//uint8_t wpa_ie[255],rsn_ie[255];
u16 wpa_len=0,rsn_len=0;
struct HT_info_element *pht_info = NULL;
struct rtw_ieee80211_ht_cap *pht_cap = NULL;
unsigned int len;
unsigned char *p;
memcpy((uint8_t *)&cap, rtw_get_capability_from_ie(pnetwork->network.IEs), 2);
cap = le16_to_cpu(cap);
if (cap & WLAN_CAPABILITY_PRIVACY) {
bencrypt = 1;
pnetwork->network.Privacy = 1;
} else {
pnetwork->BcnInfo.encryp_protocol = ENCRYP_PROTOCOL_OPENSYS;
}
rtw_get_sec_ie(pnetwork->network.IEs ,pnetwork->network.IELength,NULL,&rsn_len,NULL,&wpa_len);
if (rsn_len > 0) {
pnetwork->BcnInfo.encryp_protocol = ENCRYP_PROTOCOL_WPA2;
} else if (wpa_len > 0) {
pnetwork->BcnInfo.encryp_protocol = ENCRYP_PROTOCOL_WPA;
} else {
if (bencrypt)
pnetwork->BcnInfo.encryp_protocol = ENCRYP_PROTOCOL_WEP;
}
rtw_get_cipher_info(pnetwork);
/* get bwmode and ch_offset */
/* parsing HT_CAP_IE */
p = rtw_get_ie(pnetwork->network.IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, pnetwork->network.IELength - _FIXED_IE_LENGTH_);
if(p && len>0) {
pht_cap = (struct rtw_ieee80211_ht_cap *)(p + 2);
pnetwork->BcnInfo.ht_cap_info = pht_cap->cap_info;
} else {
pnetwork->BcnInfo.ht_cap_info = 0;
}
/* parsing HT_INFO_IE */
p = rtw_get_ie(pnetwork->network.IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, pnetwork->network.IELength - _FIXED_IE_LENGTH_);
if(p && len>0) {
pht_info = (struct HT_info_element *)(p + 2);
pnetwork->BcnInfo.ht_info_infos_0 = pht_info->infos[0];
} else {
pnetwork->BcnInfo.ht_info_infos_0 = 0;
}
}
static void update_bcn_erpinfo_ie(struct adapter *padapter)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
unsigned char *p, *ie = pnetwork->ies;
u32 len = 0;
DBG_88E("%s, ERP_enable =%d\n", __func__, pmlmeinfo->ERP_enable);
if (!pmlmeinfo->ERP_enable)
return;
/* parsing ERP_IE */
p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &len,
(pnetwork->ie_length - _BEACON_IE_OFFSET_));
if (p && len > 0) {
struct ndis_802_11_var_ie *pIE = (struct ndis_802_11_var_ie *)p;
if (pmlmepriv->num_sta_non_erp == 1)
pIE->data[0] |= RTW_ERP_INFO_NON_ERP_PRESENT|RTW_ERP_INFO_USE_PROTECTION;
else
pIE->data[0] &= ~(RTW_ERP_INFO_NON_ERP_PRESENT|RTW_ERP_INFO_USE_PROTECTION);
if (pmlmepriv->num_sta_no_short_preamble > 0)
pIE->data[0] |= RTW_ERP_INFO_BARKER_PREAMBLE_MODE;
else
pIE->data[0] &= ~(RTW_ERP_INFO_BARKER_PREAMBLE_MODE);
ERP_IE_handler(padapter, pIE);
}
}
unsigned char *rtw_get_wpa_ie(unsigned char *pie, int *wpa_ie_len, int limit)
{
int len;
u16 val16;
unsigned char wpa_oui_type[] = {0x00, 0x50, 0xf2, 0x01};
u8 *pbuf = pie;
int limit_new = limit;
__le16 le_tmp;
while (1)
{
pbuf = rtw_get_ie(pbuf, _WPA_IE_ID_, &len, limit_new);
if (pbuf) {
/* check if oui matches... */
if (memcmp((pbuf + 2), wpa_oui_type, sizeof (wpa_oui_type))) {
goto check_next_ie;
}
/* check version... */
memcpy((u8 *)&le_tmp, (pbuf + 6), sizeof(val16));
val16 = le16_to_cpu(le_tmp);
if (val16 != 0x0001)
goto check_next_ie;
*wpa_ie_len = *(pbuf + 1);
return pbuf;
}
else {
*wpa_ie_len = 0;
return NULL;
}
check_next_ie:
limit_new = limit - (pbuf - pie) - 2 - len;
if (limit_new <= 0)
break;
pbuf += (2 + len);
}
*wpa_ie_len = 0;
return NULL;
}
/*
* rtw_get_cur_max_rate -
* @adapter: pointer to struct adapter structure
*
* Return 0 or 100Kbps
*/
u16 rtw_get_cur_max_rate(struct adapter *adapter)
{
int i = 0;
u8 *p;
u16 rate = 0, max_rate = 0;
struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct registry_priv *pregistrypriv = &adapter->registrypriv;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct wlan_bssid_ex *pcur_bss = &pmlmepriv->cur_network.network;
u8 rf_type = 0;
u8 bw_40MHz = 0, short_GI_20 = 0, short_GI_40 = 0;
u32 ht_ielen = 0;
if (adapter->registrypriv.mp_mode == 1) {
if (check_fwstate(pmlmepriv, WIFI_MP_STATE))
return 0;
}
if ((!check_fwstate(pmlmepriv, _FW_LINKED)) &&
(!check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)))
return 0;
if (pmlmeext->cur_wireless_mode & (WIRELESS_11_24N|WIRELESS_11_5N)) {
p = rtw_get_ie(&pcur_bss->IEs[12], _HT_CAPABILITY_IE_, &ht_ielen, pcur_bss->IELength-12);
if (p && ht_ielen > 0) {
/* cur_bwmod is updated by beacon, pmlmeinfo is updated by association response */
bw_40MHz = (pmlmeext->cur_bwmode && (HT_INFO_HT_PARAM_REC_TRANS_CHNL_WIDTH & pmlmeinfo->HT_info.infos[0])) ? 1 : 0;
short_GI_20 = (le16_to_cpu(pmlmeinfo->HT_caps.cap_info) & IEEE80211_HT_CAP_SGI_20) ? 1 : 0;
short_GI_40 = (le16_to_cpu(pmlmeinfo->HT_caps.cap_info) & IEEE80211_HT_CAP_SGI_40) ? 1 : 0;
rtw_hal_get_hwreg(adapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
max_rate = rtw_mcs_rate(
rf_type,
bw_40MHz & (pregistrypriv->cbw40_enable),
short_GI_20,
short_GI_40,
pmlmeinfo->HT_caps.mcs.rx_mask
);
}
} else {
while ((pcur_bss->SupportedRates[i] != 0) && (pcur_bss->SupportedRates[i] != 0xFF)) {
rate = pcur_bss->SupportedRates[i]&0x7F;
if (rate > max_rate)
max_rate = rate;
i++;
}
max_rate = max_rate*10/2;
}
return max_rate;
}
unsigned char *rtw_get_wpa_ie(unsigned char *pie, int *wpa_ie_len, int limit)
{
int len;
u16 val16;
u8 *pbuf = pie;
int limit_new = limit;
while(1)
{
pbuf = rtw_get_ie(pbuf, _WPA_IE_ID_, &len, limit_new);
if (pbuf) {
//check if oui matches...
if (RTW_RN32(pbuf + 2) != WPA_OUI) {
goto check_next_ie;
}
//check version...
val16 = RTW_RL16(pbuf + 6);
if (val16 != 0x0001)
goto check_next_ie;
*wpa_ie_len = *(pbuf + 1);
return pbuf;
}
else {
*wpa_ie_len = 0;
return NULL;
}
check_next_ie:
limit_new = limit - (pbuf - pie) - 2 - len;
if (limit_new <= 0)
break;
pbuf += (2 + len);
}
*wpa_ie_len = 0;
return NULL;
}
unsigned char *rtw_get_wpa_ie(unsigned char *pie, int *wpa_ie_len, int limit)
{
int len;
u16 val16;
unsigned char wpa_oui_type[] = {0x00, 0x50, 0xf2, 0x01};
u8 *pbuf = pie;
while(1)
{
pbuf = rtw_get_ie(pbuf, _WPA_IE_ID_, &len, limit);
if (pbuf) {
//check if oui matches...
if (_rtw_memcmp((pbuf + 2), wpa_oui_type, sizeof (wpa_oui_type)) == _FALSE) {
goto check_next_ie;
}
//check version...
_rtw_memcpy((u8 *)&val16, (pbuf + 6), sizeof(val16));
val16 = le16_to_cpu(val16);
if (val16 != 0x0001)
goto check_next_ie;
*wpa_ie_len = *(pbuf + 1);
return pbuf;
}
else {
*wpa_ie_len = 0;
return NULL;
}
check_next_ie:
limit -= (2 + len);
if (limit <= 0)
break;
pbuf += (2 + len);
}
*wpa_ie_len = 0;
return NULL;
}
unsigned char *rtw_get_wpa2_ie(unsigned char *pie, int *rsn_ie_len, int limit)
{
return rtw_get_ie(pie, _WPA2_IE_ID_, rsn_ie_len, limit);
}
/*
* rtw_get_cur_max_rate -
* @adapter: pointer to _adapter structure
*
* Return 0 or 100Kbps
*/
u16 rtw_get_cur_max_rate(_adapter *adapter)
{
int i = 0;
u8 *p;
u16 rate = 0, max_rate = 0;
struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct registry_priv *pregistrypriv = &adapter->registrypriv;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
WLAN_BSSID_EX *pcur_bss = &pmlmepriv->cur_network.network;
#ifdef CONFIG_80211N_HT
struct rtw_ieee80211_ht_cap *pht_capie;
u8 rf_type = 0;
u8 bw_40MHz=0, short_GI_20=0, short_GI_40=0;
u16 mcs_rate=0;
u32 ht_ielen = 0;
#endif
#ifdef CONFIG_MP_INCLUDED
if (adapter->registrypriv.mp_mode == 1)
{
if (check_fwstate(pmlmepriv, WIFI_MP_STATE) == _TRUE)
return 0;
}
#endif
if((check_fwstate(pmlmepriv, _FW_LINKED) != _TRUE)
&& (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) != _TRUE))
return 0;
#ifdef CONFIG_80211N_HT
if (pmlmeext->cur_wireless_mode & (WIRELESS_11_24N|WIRELESS_11_5N)) {
p = rtw_get_ie(&pcur_bss->IEs[12], _HT_CAPABILITY_IE_, &ht_ielen, pcur_bss->IELength-12);
if(p && ht_ielen>0)
{
pht_capie = (struct rtw_ieee80211_ht_cap *)(p+2);
_rtw_memcpy(&mcs_rate , pht_capie->supp_mcs_set, 2);
//bw_40MHz = (pht_capie->cap_info&IEEE80211_HT_CAP_SUP_WIDTH) ? 1:0;
//cur_bwmod is updated by beacon, pmlmeinfo is updated by association response
bw_40MHz = (pmlmeext->cur_bwmode && (HT_INFO_HT_PARAM_REC_TRANS_CHNL_WIDTH & pmlmeinfo->HT_info.infos[0])) ? 1:0;
//short_GI = (pht_capie->cap_info&(IEEE80211_HT_CAP_SGI_20|IEEE80211_HT_CAP_SGI_40)) ? 1:0;
short_GI_20 = (pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info&IEEE80211_HT_CAP_SGI_20) ? 1:0;
short_GI_40 = (pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info&IEEE80211_HT_CAP_SGI_40) ? 1:0;
rtw_hal_get_hwreg(adapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
max_rate = rtw_mcs_rate(
rf_type,
bw_40MHz & (pregistrypriv->cbw40_enable),
short_GI_20,
short_GI_40,
pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate
);
}
}
else
#endif //CONFIG_80211N_HT
{
while( (pcur_bss->SupportedRates[i]!=0) && (pcur_bss->SupportedRates[i]!=0xFF))
{
rate = pcur_bss->SupportedRates[i]&0x7F;
if(rate>max_rate)
max_rate = rate;
i++;
}
max_rate = max_rate*10/2;
}
return max_rate;
}
u32 process_probe_req_p2p_ie(struct wifidirect_info *pwdinfo, u8 *pframe, uint len)
{
u8 *p;
u32 ret=_FALSE;
u8 p2pie[ MAX_P2P_IE_LEN ] = { 0xFF };
u32 p2pielen = 0;
int ssid_len=0, rate_cnt = 0;
p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + _PROBEREQ_IE_OFFSET_, _SUPPORTEDRATES_IE_, (int *)&rate_cnt,
len - WLAN_HDR_A3_LEN - _PROBEREQ_IE_OFFSET_);
if ( rate_cnt <= 4 )
{
int i, g_rate =0;
for( i = 0; i < rate_cnt; i++ )
{
if ( ( ( *( p + 2 + i ) & 0xff ) != 0x02 ) &&
( ( *( p + 2 + i ) & 0xff ) != 0x04 ) &&
( ( *( p + 2 + i ) & 0xff ) != 0x0B ) &&
( ( *( p + 2 + i ) & 0xff ) != 0x16 ) )
{
g_rate = 1;
}
}
if ( g_rate == 0 )
{
// There is no OFDM rate included in SupportedRates IE of this probe request frame
// The driver should response this probe request.
return ret;
}
}
else
{
// rate_cnt > 4 means the SupportRates IE contains the OFDM rate because the count of CCK rates are 4.
// We should proceed the following check for this probe request.
}
// Added comments by Albert 20100906
// There are several items we should check here.
// 1. This probe request frame must contain the P2P IE. (Done)
// 2. This probe request frame must contain the wildcard SSID. (Done)
// 3. Wildcard BSSID. (Todo)
// 4. Destination Address. ( Done in mgt_dispatcher function )
// 5. Requested Device Type in WSC IE. (Todo)
// 6. Device ID attribute in P2P IE. (Todo)
p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + _PROBEREQ_IE_OFFSET_, _SSID_IE_, (int *)&ssid_len,
len - WLAN_HDR_A3_LEN - _PROBEREQ_IE_OFFSET_);
if((pwdinfo->role == P2P_ROLE_DEVICE) || (pwdinfo->role == P2P_ROLE_GO))
{
if(rtw_get_p2p_ie( pframe + WLAN_HDR_A3_LEN + _PROBEREQ_IE_OFFSET_ , len - WLAN_HDR_A3_LEN - _PROBEREQ_IE_OFFSET_ , p2pie, &p2pielen))
{
DBG_871X( "[%s] Got P2P IE \n", __FUNCTION__ );
if ( (p != NULL) && _rtw_memcmp( ( void * ) ( p+2 ), ( void * ) pwdinfo->p2p_wildcard_ssid , 7 ))
{
//todo:
//Check Requested Device Type attributes in WSC IE.
//Check Device ID attribute in P2P IE
DBG_871X( "[%s] P2P SSID Match!\n", __FUNCTION__ );
ret = _TRUE;
}
}
else
{
//non -p2p device
}
}
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;
}
static void start_bss_network(struct adapter *padapter, u8 *pbuf)
{
u8 *p;
u8 val8, cur_channel, cur_bwmode, cur_ch_offset;
u16 bcn_interval;
u32 acparm;
uint ie_len;
struct registry_priv *pregpriv = &padapter->registrypriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct security_priv *psecuritypriv = &padapter->securitypriv;
struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
struct HT_info_element *pht_info = NULL;
bcn_interval = (u16)pnetwork->Configuration.BeaconPeriod;
cur_channel = pnetwork->Configuration.DSConfig;
cur_bwmode = HT_CHANNEL_WIDTH_20;
cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
/* check if there is wps ie,
* if there is wpsie in beacon, the hostapd will update
* beacon twice when stating hostapd, and at first time the
* security ie (RSN/WPA IE) will not include in beacon.
*/
if (!rtw_get_wps_ie(pnetwork->ies + _FIXED_IE_LENGTH_, pnetwork->ie_length - _FIXED_IE_LENGTH_, NULL, NULL))
pmlmeext->bstart_bss = true;
/* todo: update wmm, ht cap */
if (pmlmepriv->qospriv.qos_option)
pmlmeinfo->WMM_enable = true;
if (pmlmepriv->htpriv.ht_option) {
pmlmeinfo->WMM_enable = true;
pmlmeinfo->HT_enable = true;
update_hw_ht_param(padapter);
}
/* setting only at first time */
if (pmlmepriv->cur_network.join_res != true) {
/* WEP Key will be set before this function, do not
* clear CAM.
*/
if ((psecuritypriv->dot11PrivacyAlgrthm != _WEP40_) &&
(psecuritypriv->dot11PrivacyAlgrthm != _WEP104_))
flush_all_cam_entry(padapter); /* clear CAM */
}
/* set MSR to AP_Mode */
Set_MSR(padapter, _HW_STATE_AP_);
/* Set BSSID REG */
rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, pnetwork->MacAddress);
/* Set EDCA param reg */
acparm = 0x002F3217; /* VO */
rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acparm));
acparm = 0x005E4317; /* VI */
rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acparm));
acparm = 0x005ea42b;
rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acparm));
acparm = 0x0000A444; /* BK */
rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acparm));
/* Set Security */
val8 = (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) ? 0xcc : 0xcf;
rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8));
/* Beacon Control related register */
rtw_hal_set_hwreg(padapter, HW_VAR_BEACON_INTERVAL, (u8 *)(&bcn_interval));
UpdateBrateTbl(padapter, pnetwork->SupportedRates);
rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, pnetwork->SupportedRates);
if (!pmlmepriv->cur_network.join_res) { /* setting only at first time */
/* turn on all dynamic functions */
Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true);
}
/* set channel, bwmode */
p = rtw_get_ie((pnetwork->ies + sizeof(struct ndis_802_11_fixed_ie)), _HT_ADD_INFO_IE_, &ie_len, (pnetwork->ie_length - sizeof(struct ndis_802_11_fixed_ie)));
if (p && ie_len) {
pht_info = (struct HT_info_element *)(p + 2);
if ((pregpriv->cbw40_enable) && (pht_info->infos[0] & BIT(2))) {
/* switch to the 40M Hz mode */
cur_bwmode = HT_CHANNEL_WIDTH_40;
switch (pht_info->infos[0] & 0x3) {
case 1:
cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
break;
case 3:
cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
break;
default:
cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
break;
}
}
}
/* TODO: need to judge the phy parameters on concurrent
* mode for single phy
*/
set_channel_bwmode(padapter, cur_channel, cur_ch_offset, cur_bwmode);
DBG_88E("CH =%d, BW =%d, offset =%d\n", cur_channel, cur_bwmode, cur_ch_offset);
/* */
pmlmeext->cur_channel = cur_channel;
pmlmeext->cur_bwmode = cur_bwmode;
pmlmeext->cur_ch_offset = cur_ch_offset;
pmlmeext->cur_wireless_mode = pmlmepriv->cur_network.network_type;
/* update cur_wireless_mode */
update_wireless_mode(padapter);
/* update capability after cur_wireless_mode updated */
update_capinfo(padapter, rtw_get_capability((struct wlan_bssid_ex *)pnetwork));
/* let pnetwork_mlmeext == pnetwork_mlme. */
memcpy(pnetwork_mlmeext, pnetwork, pnetwork->Length);
if (pmlmeext->bstart_bss) {
update_beacon(padapter, _TIM_IE_, NULL, false);
/* issue beacon frame */
if (send_beacon(padapter) == _FAIL)
DBG_88E("send_beacon, fail!\n");
}
/* update bc/mc sta_info */
update_bmc_sta(padapter);
}
static void update_BCNTIM(struct adapter *padapter)
{
struct sta_priv *pstapriv = &padapter->stapriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
unsigned char *pie = pnetwork_mlmeext->ies;
u8 *p, *dst_ie, *premainder_ie = NULL;
u8 *pbackup_remainder_ie = NULL;
uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen;
/* update TIM IE */
p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, _TIM_IE_, &tim_ielen,
pnetwork_mlmeext->ie_length - _FIXED_IE_LENGTH_);
if (p && tim_ielen > 0) {
tim_ielen += 2;
premainder_ie = p + tim_ielen;
tim_ie_offset = (int)(p - pie);
remainder_ielen = pnetwork_mlmeext->ie_length -
tim_ie_offset - tim_ielen;
/* append TIM IE from dst_ie offset */
dst_ie = p;
} else {
tim_ielen = 0;
/* calculate head_len */
offset = _FIXED_IE_LENGTH_;
offset += pnetwork_mlmeext->Ssid.SsidLength + 2;
/* get supported rates len */
p = rtw_get_ie(pie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_,
&tmp_len, (pnetwork_mlmeext->ie_length -
_BEACON_IE_OFFSET_));
if (p)
offset += tmp_len+2;
/* DS Parameter Set IE, len = 3 */
offset += 3;
premainder_ie = pie + offset;
remainder_ielen = pnetwork_mlmeext->ie_length -
offset - tim_ielen;
/* append TIM IE from offset */
dst_ie = pie + offset;
}
if (remainder_ielen > 0) {
pbackup_remainder_ie = rtw_malloc(remainder_ielen);
if (pbackup_remainder_ie && premainder_ie)
memcpy(pbackup_remainder_ie, premainder_ie,
remainder_ielen);
}
*dst_ie++ = _TIM_IE_;
if ((pstapriv->tim_bitmap & 0xff00) && (pstapriv->tim_bitmap & 0x00fc))
tim_ielen = 5;
else
tim_ielen = 4;
*dst_ie++ = tim_ielen;
*dst_ie++ = 0;/* DTIM count */
*dst_ie++ = 1;/* DTIM period */
if (pstapriv->tim_bitmap & BIT(0))/* for bc/mc frames */
*dst_ie++ = BIT(0);/* bitmap ctrl */
else
*dst_ie++ = 0;
if (tim_ielen == 4) {
*dst_ie++ = pstapriv->tim_bitmap & 0xff;
} else if (tim_ielen == 5) {
put_unaligned_le16(pstapriv->tim_bitmap, dst_ie);
dst_ie += 2;
}
/* copy remainder IE */
if (pbackup_remainder_ie) {
memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
kfree(pbackup_remainder_ie);
}
offset = (uint)(dst_ie - pie);
pnetwork_mlmeext->ie_length = offset + remainder_ielen;
set_tx_beacon_cmd(padapter);
}
/*
* rtw_get_cur_max_rate -
* @adapter: pointer to _adapter structure
*
* Return 0 or 100Kbps
*/
u16 rtw_get_cur_max_rate(_adapter *adapter)
{
int i = 0;
u8 *p;
u16 rate = 0, max_rate = 0;
struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct registry_priv *pregistrypriv = &adapter->registrypriv;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
WLAN_BSSID_EX *pcur_bss = &pmlmepriv->cur_network.network;
#ifdef CONFIG_80211N_HT
struct rtw_ieee80211_ht_cap *pht_capie;
u8 rf_type = 0;
u8 bw_40MHz=0, short_GI_20=0, short_GI_40=0, cbw40_enable=0;
u16 mcs_rate=0;
u32 ht_ielen = 0;
#endif
#ifdef CONFIG_80211AC_VHT
struct vht_priv *pvhtpriv = &pmlmepriv->vhtpriv;
#endif
#ifdef CONFIG_MP_INCLUDED
if (adapter->registrypriv.mp_mode == 1)
{
if (check_fwstate(pmlmepriv, WIFI_MP_STATE) == _TRUE)
return 0;
}
#endif
if((check_fwstate(pmlmepriv, _FW_LINKED) != _TRUE)
&& (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) != _TRUE))
return 0;
#ifdef CONFIG_80211N_HT
if (IsSupportedTxHT(pmlmeext->cur_wireless_mode)) {
p = rtw_get_ie(&pcur_bss->IEs[12], _HT_CAPABILITY_IE_, &ht_ielen, pcur_bss->IELength-12);
if(p && ht_ielen>0)
{
pht_capie = (struct rtw_ieee80211_ht_cap *)(p+2);
_rtw_memcpy(&mcs_rate , pht_capie->supp_mcs_set, 2);
//bw_40MHz = (pht_capie->cap_info&IEEE80211_HT_CAP_SUP_WIDTH) ? 1:0;
//cur_bwmod is updated by beacon, pmlmeinfo is updated by association response
bw_40MHz = (pmlmeext->cur_bwmode && (HT_INFO_HT_PARAM_REC_TRANS_CHNL_WIDTH & pmlmeinfo->HT_info.infos[0])) ? 1:0;
//short_GI = (pht_capie->cap_info&(IEEE80211_HT_CAP_SGI_20|IEEE80211_HT_CAP_SGI_40)) ? 1:0;
short_GI_20 = (pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info&IEEE80211_HT_CAP_SGI_20) ? 1:0;
short_GI_40 = (pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info&IEEE80211_HT_CAP_SGI_40) ? 1:0;
rtw_hal_get_hwreg(adapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
if (pmlmeext->cur_channel > 14) {
if ((pregistrypriv->bw_mode & 0xf0) > 0)
cbw40_enable = 1;
} else {
if ((pregistrypriv->bw_mode & 0x0f) > 0)
cbw40_enable = 1;
}
max_rate = rtw_mcs_rate(
rf_type,
bw_40MHz & cbw40_enable,
short_GI_20,
short_GI_40,
pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate
);
}
}
#ifdef CONFIG_80211AC_VHT
else if (IsSupportedVHT(pmlmeext->cur_wireless_mode)) {
max_rate = ((rtw_vht_data_rate(pvhtpriv->bwmode, pvhtpriv->sgi, pvhtpriv->vht_highest_rate) + 1) >> 1) * 10;
}
