//hw security need to reorganized.
static int r8192_wx_set_enc_ext(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
int ret=0;
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee80211;
//printk("===>%s()\n", __FUNCTION__);
down(&priv->wx_sem);
ret = ieee80211_wx_set_encode_ext(priv->ieee80211, info, wrqu, extra);
{
u8 broadcast_addr[6] = {0xff,0xff,0xff,0xff,0xff,0xff};
u8 zero[6] = {0};
u32 key[4] = {0};
struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
struct iw_point *encoding = &wrqu->encoding;
u8 idx = 0, alg = 0, group = 0;
if ((encoding->flags & IW_ENCODE_DISABLED) ||
ext->alg == IW_ENCODE_ALG_NONE) //none is not allowed to use hwsec WB 2008.07.01
goto end_hw_sec;
alg = (ext->alg == IW_ENCODE_ALG_CCMP)?KEY_TYPE_CCMP:ext->alg; // as IW_ENCODE_ALG_CCMP is defined to be 3 and KEY_TYPE_CCMP is defined to 4;
idx = encoding->flags & IW_ENCODE_INDEX;
if (idx)
idx --;
group = ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY;
if ((!group) || (IW_MODE_ADHOC == ieee->iw_mode) || (alg == KEY_TYPE_WEP40))
{
if ((ext->key_len == 13) && (alg == KEY_TYPE_WEP40) )
alg = KEY_TYPE_WEP104;
ieee->pairwise_key_type = alg;
EnableHWSecurityConfig8192(dev);
}
memcpy((u8 *)key, ext->key, 16); //we only get 16 bytes key.why? WB 2008.7.1
if ((alg & KEY_TYPE_WEP40) && (ieee->auth_mode !=2) )
{
setKey( dev,
idx,//EntryNo
idx, //KeyIndex
alg, //KeyType
zero, //MacAddr
0, //DefaultKey
key); //KeyContent
}
else if (group)
{
ieee->group_key_type = alg;
setKey( dev,
idx,//EntryNo
idx, //KeyIndex
alg, //KeyType
broadcast_addr, //MacAddr
0, //DefaultKey
key); //KeyContent
}
else //pairwise key
{
setKey( dev,
4,//EntryNo
idx, //KeyIndex
alg, //KeyType
(u8 *)ieee->ap_mac_addr, //MacAddr
0, //DefaultKey
key); //KeyContent
}
}
end_hw_sec:
up(&priv->wx_sem);
return ret;
}
static int r8192_wx_set_enc(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *key)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee80211;
int ret;
//u32 TargetContent;
u32 hwkey[4]={0,0,0,0};
u8 mask=0xff;
u32 key_idx=0;
//u8 broadcast_addr[6] ={ 0xff,0xff,0xff,0xff,0xff,0xff};
u8 zero_addr[4][6] ={ {0x00,0x00,0x00,0x00,0x00,0x00},
{0x00,0x00,0x00,0x00,0x00,0x01},
{0x00,0x00,0x00,0x00,0x00,0x02},
{0x00,0x00,0x00,0x00,0x00,0x03} };
int i;
if(!priv->up) return -ENETDOWN;
down(&priv->wx_sem);
RT_TRACE(COMP_SEC, "Setting SW wep key");
ret = ieee80211_wx_set_encode(priv->ieee80211,info,wrqu,key);
up(&priv->wx_sem);
//sometimes, the length is zero while we do not type key value
if(wrqu->encoding.length!=0){
for(i=0 ; i<4 ; i++){
hwkey[i] |= key[4*i+0]&mask;
if(i==1&&(4*i+1)==wrqu->encoding.length) mask=0x00;
if(i==3&&(4*i+1)==wrqu->encoding.length) mask=0x00;
hwkey[i] |= (key[4*i+1]&mask)<<8;
hwkey[i] |= (key[4*i+2]&mask)<<16;
hwkey[i] |= (key[4*i+3]&mask)<<24;
}
#define CONF_WEP40 0x4
#define CONF_WEP104 0x14
switch (wrqu->encoding.flags & IW_ENCODE_INDEX){
case 0: key_idx = ieee->tx_keyidx; break;
case 1: key_idx = 0; break;
case 2: key_idx = 1; break;
case 3: key_idx = 2; break;
case 4: key_idx = 3; break;
default: break;
}
if(wrqu->encoding.length==0x5){
ieee->pairwise_key_type = KEY_TYPE_WEP40;
EnableHWSecurityConfig8192(dev);
setKey( dev,
key_idx, //EntryNo
key_idx, //KeyIndex
KEY_TYPE_WEP40, //KeyType
zero_addr[key_idx],
0, //DefaultKey
hwkey); //KeyContent
}
else if(wrqu->encoding.length==0xd){
ieee->pairwise_key_type = KEY_TYPE_WEP104;
EnableHWSecurityConfig8192(dev);
setKey( dev,
key_idx, //EntryNo
key_idx, //KeyIndex
KEY_TYPE_WEP104, //KeyType
zero_addr[key_idx],
0, //DefaultKey
hwkey); //KeyContent
}
else printk("wrong type in WEP, not WEP40 and WEP104\n");
}
return ret;
}
static int r8192_wx_set_enc(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *key)
{
struct r8192_priv *priv = rtllib_priv(dev);
int ret;
struct rtllib_device *ieee = priv->rtllib;
u32 hwkey[4] = {0, 0, 0, 0};
u8 mask = 0xff;
u32 key_idx = 0;
u8 zero_addr[4][6] = {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
int i;
if ((rtllib_act_scanning(priv->rtllib, false)) &&
!(priv->rtllib->softmac_features & IEEE_SOFTMAC_SCAN))
; /* TODO - get rid of if */
if (priv->bHwRadioOff == true)
return 0;
if (!priv->up)
return -ENETDOWN;
priv->rtllib->wx_set_enc = 1;
down(&priv->rtllib->ips_sem);
IPSLeave(dev);
up(&priv->rtllib->ips_sem);
down(&priv->wx_sem);
RT_TRACE(COMP_SEC, "Setting SW wep key");
ret = rtllib_wx_set_encode(priv->rtllib, info, wrqu, key);
up(&priv->wx_sem);
if (wrqu->encoding.flags & IW_ENCODE_DISABLED) {
ieee->pairwise_key_type = ieee->group_key_type = KEY_TYPE_NA;
CamResetAllEntry(dev);
memset(priv->rtllib->swcamtable, 0,
sizeof(struct sw_cam_table) * 32);
goto end_hw_sec;
}
if (wrqu->encoding.length != 0) {
for (i = 0; i < 4; i++) {
hwkey[i] |= key[4*i+0]&mask;
if (i == 1 && (4 * i + 1) == wrqu->encoding.length)
mask = 0x00;
if (i == 3 && (4 * i + 1) == wrqu->encoding.length)
mask = 0x00;
hwkey[i] |= (key[4 * i + 1] & mask) << 8;
hwkey[i] |= (key[4 * i + 2] & mask) << 16;
hwkey[i] |= (key[4 * i + 3] & mask) << 24;
}
#define CONF_WEP40 0x4
#define CONF_WEP104 0x14
switch (wrqu->encoding.flags & IW_ENCODE_INDEX) {
case 0:
key_idx = ieee->tx_keyidx;
break;
case 1:
key_idx = 0;
break;
case 2:
key_idx = 1;
break;
case 3:
key_idx = 2;
break;
case 4:
key_idx = 3;
break;
default:
break;
}
if (wrqu->encoding.length == 0x5) {
ieee->pairwise_key_type = KEY_TYPE_WEP40;
EnableHWSecurityConfig8192(dev);
}
else if (wrqu->encoding.length == 0xd) {
ieee->pairwise_key_type = KEY_TYPE_WEP104;
EnableHWSecurityConfig8192(dev);
setKey(dev, key_idx, key_idx, KEY_TYPE_WEP104,
zero_addr[key_idx], 0, hwkey);
set_swcam(dev, key_idx, key_idx, KEY_TYPE_WEP104,
zero_addr[key_idx], 0, hwkey, 0);
} else {
printk(KERN_INFO "wrong type in WEP, not WEP40 and WEP104\n");
}
}
end_hw_sec:
priv->rtllib->wx_set_enc = 0;
return ret;
}
static int r8192_wx_set_enc_ext(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
int ret = 0;
struct r8192_priv *priv = rtllib_priv(dev);
struct rtllib_device *ieee = priv->rtllib;
if (priv->bHwRadioOff == true)
return 0;
down(&priv->wx_sem);
priv->rtllib->wx_set_enc = 1;
down(&priv->rtllib->ips_sem);
IPSLeave(dev);
up(&priv->rtllib->ips_sem);
ret = rtllib_wx_set_encode_ext(ieee, info, wrqu, extra);
{
u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
u8 zero[6] = {0};
u32 key[4] = {0};
struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
struct iw_point *encoding = &wrqu->encoding;
u8 idx = 0, alg = 0, group = 0;
if ((encoding->flags & IW_ENCODE_DISABLED) ||
ext->alg == IW_ENCODE_ALG_NONE) {
ieee->pairwise_key_type = ieee->group_key_type
= KEY_TYPE_NA;
CamResetAllEntry(dev);
memset(priv->rtllib->swcamtable, 0,
sizeof(struct sw_cam_table) * 32);
goto end_hw_sec;
}
alg = (ext->alg == IW_ENCODE_ALG_CCMP) ? KEY_TYPE_CCMP :
ext->alg;
idx = encoding->flags & IW_ENCODE_INDEX;
if (idx)
idx--;
group = ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY;
if ((!group) || (IW_MODE_ADHOC == ieee->iw_mode) ||
(alg == KEY_TYPE_WEP40)) {
if ((ext->key_len == 13) && (alg == KEY_TYPE_WEP40))
alg = KEY_TYPE_WEP104;
ieee->pairwise_key_type = alg;
EnableHWSecurityConfig8192(dev);
}
memcpy((u8 *)key, ext->key, 16);
if ((alg & KEY_TYPE_WEP40) && (ieee->auth_mode != 2)) {
if (ext->key_len == 13)
ieee->pairwise_key_type = alg = KEY_TYPE_WEP104;
setKey(dev, idx, idx, alg, zero, 0, key);
set_swcam(dev, idx, idx, alg, zero, 0, key, 0);
} else if (group) {
ieee->group_key_type = alg;
setKey(dev, idx, idx, alg, broadcast_addr, 0, key);
set_swcam(dev, idx, idx, alg, broadcast_addr, 0,
key, 0);
} else {
if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) &&
ieee->pHTInfo->bCurrentHTSupport)
write_nic_byte(dev, 0x173, 1);
setKey(dev, 4, idx, alg, (u8 *)ieee->ap_mac_addr,
0, key);
set_swcam(dev, 4, idx, alg, (u8 *)ieee->ap_mac_addr,
0, key, 0);
}
}
end_hw_sec:
priv->rtllib->wx_set_enc = 0;
up(&priv->wx_sem);
return ret;
}
/* hw security need to reorganized. */
static int r8192_wx_set_enc_ext(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
int ret = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee80211;
mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_encode_ext(priv->ieee80211, info, wrqu, extra);
{
u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
u8 zero[6] = {0};
u32 key[4] = {0};
struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
struct iw_point *encoding = &wrqu->encoding;
u8 idx = 0, alg = 0, group = 0;
if ((encoding->flags & IW_ENCODE_DISABLED) || ext->alg == IW_ENCODE_ALG_NONE)
/* none is not allowed to use hwsec WB 2008.07.01 */
goto end_hw_sec;
/* as IW_ENCODE_ALG_CCMP is defined to be 3 and KEY_TYPE_CCMP is defined to 4; */
alg = (ext->alg == IW_ENCODE_ALG_CCMP)?KEY_TYPE_CCMP:ext->alg;
idx = encoding->flags & IW_ENCODE_INDEX;
if (idx)
idx--;
group = ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY;
if ((!group) || (IW_MODE_ADHOC == ieee->iw_mode) || (alg == KEY_TYPE_WEP40)) {
if ((ext->key_len == 13) && (alg == KEY_TYPE_WEP40))
alg = KEY_TYPE_WEP104;
ieee->pairwise_key_type = alg;
EnableHWSecurityConfig8192(dev);
}
memcpy((u8 *)key, ext->key, 16); /* we only get 16 bytes key.why? WB 2008.7.1 */
if ((alg & KEY_TYPE_WEP40) && (ieee->auth_mode != 2)) {
setKey(dev,
idx, /* EntryNao */
idx, /* KeyIndex */
alg, /* KeyType */
zero, /* MacAddr */
0, /* DefaultKey */
key); /* KeyContent */
} else if (group) {
ieee->group_key_type = alg;
setKey(dev,
idx, /* EntryNo */
idx, /* KeyIndex */
alg, /* KeyType */
broadcast_addr, /* MacAddr */
0, /* DefaultKey */
key); /* KeyContent */
} else { /* pairwise key */
setKey(dev,
4, /* EntryNo */
idx, /* KeyIndex */
alg, /* KeyType */
(u8 *)ieee->ap_mac_addr,/* MacAddr */
0, /* DefaultKey */
key); /* KeyContent */
}
}
end_hw_sec:
mutex_unlock(&priv->wx_mutex);
return ret;
}
