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#include "wlan_includes.h"
//imode
/* BIT0: 1 -> Security ON 0 -> OFF */
/* BIT1: 1 -> WEP40 cypher supported 0 -> Not supported */
/* BIT2: 1 -> WEP104 cypher supported 0 -> Not supported */
/* BIT3: 1 -> WPA mode supported 0 -> Not supported */
/* BIT4: 1 -> WPA2 (RSN) supported 0 -> Not supported */
/* BIT5: 1 -> AES-CCMP cphr supported 0 -> Not supported */
/* BIT6: 1 -> TKIP cypher supported 0 -> Not supported */
/* BIT7: 1 -> TSN supported 0 -> Not supported */
//authtype
/* BIT0: 1 -> OPEN SYSTEM */
/* BIT1: 1 -> SHARED KEY */
/* BIT3: 1 -> WAPI */
static int assoc_helper_secinfo(wlan_private *priv,
struct bss_descriptor *assoc_bss)
{
int ret = 0;
WLAN_DBGLAP(WLAN_DA_WEXT, WLAN_DL_TRACE, "%s <<<\n", __func__);
/* set imode and key */
if ( !priv->secinfo.wep_enabled
&& !priv->secinfo.WPAenabled && !priv->secinfo.WPA2enabled) {
WLAN_DBGLAP(WLAN_DA_WEXT, WLAN_DL_TRACE,
"%s, NO SEC\n", __func__);
priv->imode = 0;
} else {
u16 key_len = 0;
if ( priv->secinfo.wep_enabled
&& !priv->secinfo.WPAenabled
&& !priv->secinfo.WPA2enabled) {
/* WEP */
key_len = priv->wep_keys[0].len;
WLAN_DBGLAP(WLAN_DA_WEXT, WLAN_DL_TRACE,
"%s, WEP, len = %d\n", __func__, key_len * 8);
if (key_len == KEY_LEN_WEP_40) {
priv->imode = BIT0 | BIT1;
} else if (key_len == KEY_LEN_WEP_104) {
priv->imode = BIT0 | BIT2;
} else {
WLAN_ERRP("Invalide WEP Key length %d\n", key_len);
ret = -EINVAL;
goto out;
}
} else if ( !priv->secinfo.wep_enabled
&& (priv->secinfo.WPAenabled ||
priv->secinfo.WPA2enabled)) {
/* WPA */
struct enc_key * pkey = NULL;
WLAN_DBGLAP(WLAN_DA_WEXT, WLAN_DL_TRACE,
"%s, WPA cp:%x wpa:%d wpa2:%d \n", __func__, priv->secinfo.cipther_type, priv->secinfo.WPAenabled, priv->secinfo.WPA2enabled);
if ( priv->wpa_mcast_key.len
&& (priv->wpa_mcast_key.flags & KEY_INFO_WPA_ENABLED))
pkey = &priv->wpa_mcast_key;
else if ( priv->wpa_unicast_key.len
&& (priv->wpa_unicast_key.flags & KEY_INFO_WPA_ENABLED))
pkey = &priv->wpa_unicast_key;
priv->imode = 0;
/* turn on security */
priv->imode |= (BIT0);
priv->imode &= ~(BIT3 | BIT4);
if (priv->secinfo.WPA2enabled)
priv->imode |= (BIT4);
else if (priv->secinfo.WPAenabled)
priv->imode |= (BIT3);
/*
* we don't know the cipher type by now
* use dot11i_info to decide
* and use CCMP if possible
*/
priv->imode &= ~(BIT5 | BIT6);
if (priv->secinfo.cipther_type & IW_AUTH_CIPHER_CCMP)
priv->imode |= BIT5;
else if (priv->secinfo.cipther_type & IW_AUTH_CIPHER_TKIP)
priv->imode |= BIT6;
} else {
WLAN_ERRP("WEP and WPA/WPA2 enabled simutanously\n");
ret = -EINVAL;
goto out;
}
}
/* set authtype */
if (priv->secinfo.auth_mode & IW_AUTH_ALG_OPEN_SYSTEM
|| priv->secinfo.auth_mode & IW_AUTH_ALG_SHARED_KEY){
if (priv->secinfo.auth_mode & IW_AUTH_ALG_OPEN_SYSTEM){
WLAN_DBGLAP(WLAN_DA_WEXT, WLAN_DL_TRACE,
"%s, Open Auth, KEY_MGMT = %d, AUTH_ALG mode:%x\n", __func__, priv->secinfo.key_mgmt, priv->secinfo.auth_mode);
if (priv->secinfo.key_mgmt == 0x01)
priv->authtype = BIT2;
else
priv->authtype = BIT0;
}else if(priv->secinfo.auth_mode & IW_AUTH_ALG_SHARED_KEY){
WLAN_DBGLAP(WLAN_DA_WEXT, WLAN_DL_TRACE,
"%s, Shared-Key Auth AUTH_ALG mode:%x \n", __func__, priv->secinfo.auth_mode);
priv->authtype = BIT1;
}
if (priv->secinfo.key_mgmt == WAPI_KEY_MGMT_PSK
|| priv->secinfo.key_mgmt == WAPI_KEY_MGMT_CERT)
priv->authtype = BIT3;
}else if (priv->secinfo.auth_mode == IW_AUTH_ALG_WAPI) {
WLAN_DBGLAP(WLAN_DA_WEXT, WLAN_DL_TRACE,
"%s, Shared-Key Auth\n", __func__);
priv->authtype = IW_AUTH_ALG_WAPI;
}else if (priv->secinfo.auth_mode == IW_AUTH_ALG_LEAP) {
WLAN_DBGLAP(WLAN_DA_WEXT, WLAN_DL_TRACE,
"%s, LEAP Auth, not supported\n", __func__);
ret = -EINVAL;
goto out;
}else {
WLAN_DBGLAP(WLAN_DA_WEXT, WLAN_DL_TRACE,
"%s, Unknown Auth\n", __func__);
ret = -EINVAL;
goto out;
}
out:
WLAN_DBGLAP(WLAN_DA_WEXT, WLAN_DL_TRACE, "%s >>> \n", __func__);
return ret;
}
void wlan_assocication(wlan_private* priv)
{
int ret = 0;
struct bss_descriptor *assoc_bss;
WLAN_DBGLAP(WLAN_DA_WEXT, WLAN_DL_TRACE, "%s >>>\n", __func__);
assoc_bss = get_bss_desc_from_scanlist(priv, priv->assoc_bssid);
if (assoc_bss == NULL) {
WLAN_ERRP("****fail to find bss in the scan list\n");
ret = -EINVAL;
goto out;
}
priv->curbssparams.channel = assoc_bss->channel;
memcpy(priv->curbssparams.bssid, assoc_bss->bssid, ETH_ALEN);
memcpy(priv->curbssparams.ssid, assoc_bss->ssid,IW_ESSID_MAX_SIZE + 1);
ret = assoc_helper_secinfo(priv, assoc_bss);
if (ret) {
WLAN_ERRP("assoc_helper_secinfo fail, ret = %d\n", ret);
goto out;
}
//wep so we need retry association
if (priv->imode & 0x06) {
priv->ToggalAssociation = TRUE;
}
ret = wlan_start_join(priv);
if (ret) {
WLAN_ERRP("wlan_set_ssid fail, ret = %d\n", ret);
wlan_cancel_timer(&priv->AssociationTimeOut);
priv->assoc_ongoing = FALSE;
goto out;
}
//25S for association
wlan_mod_timer(&priv->AssociationTimeOut, 25000);
//reassociation
wlan_mod_timer(&priv->ReAssociationTimeOut, 3000);
out:
WLAN_DBGLAP(WLAN_DA_WEXT, WLAN_DL_TRACE, "%s <<< \n", __func__);
}
void wlan_re_assocication(wlan_private* priv)
{
int ret = 0;
ENTER();
#ifdef WLAN_FORCE_SUSPEND_SUPPORT
if (priv->CardInSuspend == TRUE) {
WLAN_DBGLAP(WLAN_DA_WEXT, WLAN_DL_TRACE, "%s ingnored in ap deep sleep mode.\n", __func__);
return;
}
#endif
if(priv->connect_status == MAC_CONNECTED)
return;
if(priv->reassoc_count++ > 4)
return;
//wep shared key & open turn arount
if (priv->imode & 0x06) {
if (priv->authtype == 0x01)
priv->authtype = 0x02;
else
priv->authtype = 0x01;
}
ret = wlan_start_join(priv);
if (ret) {
WLAN_ERRP("wlan_set_ssid fail, ret = %d\n", ret);
return;
}
wlan_mod_timer(&priv->ReAssociationTimeOut, 3000);
LEAVE();
}
void wlan_assocication_timeout(wlan_private* priv)
{
ENTER();
wlan_cancel_timer(&priv->ReAssociationTimeOut);
priv->assoc_ongoing = FALSE;
wlan_assoc_power_save(priv);
//restore tx rate
wlan_set_txrate(priv, 0);
LEAVE();
}
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