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Code

read wep keys from the driver's private data instead of the shmem (can get key length correctly)

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@1190 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2005-06-10 18:24:54 +00:00
parent 8192b258a0
commit 10a287b11d
1 changed files with 40 additions and 23 deletions
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63
openwrt/target/linux/package/wlcompat/wlcompat.c
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@ -43,12 +43,24 @@ const long channel_frequency[] = {
};
#define NUM_CHANNELS ( sizeof(channel_frequency) / sizeof(channel_frequency[0]) )
typedef struct internal_wsec_key {
uint8 index; // 0x00
uint8 unknown_1; // 0x01
uint8 type; // 0x02
uint8 unknown_2[7]; // 0x03
uint8 len; // 0x0a
uint8 pad[3];
char data[32]; // 0x0e
} wkey;
static int wlcompat_private_ioctl(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu,
char *extra);
#ifdef DEBUG
void print_buffer(int len, unsigned char *buf);
#endif
static int wl_ioctl(struct net_device *dev, int cmd, void *buf, int len)
{
@ -103,14 +115,6 @@ static int wl_get_val(struct net_device *dev, char *var, void *val, int len)
return 0;
}
int read_shmem(struct net_device *dev, int offset)
{
if (wl_ioctl(dev, WLC_GET_SHMEM, &offset, sizeof(offset)) < 0)
return -EINVAL;
return offset;
}
static int wlcompat_ioctl_getiwrange(struct net_device *dev,
char *extra)
{
@ -442,20 +446,17 @@ static int wlcompat_ioctl(struct net_device *dev,
wrqu->data.flags = IW_ENCODE_ENABLED;
if (key-- > 0) {
int magic_offset;
int16 buffer[8];
int *info_addr;
wkey *wep_key;
info_addr = (int *) dev->priv;
wep_key = (wkey *) ((*info_addr) + 0x2752 + (key * 0x110));
magic_offset = read_shmem(dev, 0x56) * 2;
wrqu->data.flags |= key + 1;
wrqu->data.length = 16;
for (val = 0; val < 8; val++) {
buffer[val] = read_shmem(dev, magic_offset + (key * 16) + val * 2);
}
wrqu->data.length = wep_key->len;
memset(extra, 0, 16);
memcpy(extra, buffer, 16);
memcpy(extra, wep_key->data, 16);
} else {
wrqu->data.flags |= IW_ENCODE_NOKEY;
}
@ -472,7 +473,7 @@ static int wlcompat_ioctl(struct net_device *dev,
}
case SIOCSIWMODE:
{
int ap = -1, infra = -1, passive = 0, wet = 0;
int ap = -1, infra = -1, passive = 0, wet = 0, wds = 0;
switch (wrqu->mode) {
case IW_MODE_MONITOR:
@ -495,6 +496,11 @@ static int wlcompat_ioctl(struct net_device *dev,
ap = 0;
wet = 1;
break;
case IW_MODE_SECOND:
ap = 0;
infra = 1;
wds = 1;
default:
return -EINVAL;
}
@ -502,15 +508,18 @@ static int wlcompat_ioctl(struct net_device *dev,
wl_ioctl(dev, WLC_SET_PASSIVE, &passive, sizeof(passive));
wl_ioctl(dev, WLC_SET_MONITOR, &passive, sizeof(passive));
wl_ioctl(dev, WLC_SET_WET, &wet, sizeof(wet));
wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
wl_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(infra));
wl_ioctl(dev, WLC_SET_WET, &wds, sizeof(wds));
if (ap >= 0)
wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
if (infra >= 0)
wl_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(infra));
break;
}
case SIOCGIWMODE:
{
int ap, infra, wet, passive;
int ap, infra, wet, wds, passive;
if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
return -EINVAL;
@ -520,11 +529,15 @@ static int wlcompat_ioctl(struct net_device *dev,
return -EINVAL;
if (wl_ioctl(dev, WLC_GET_WET, &wet, sizeof(wet)) < 0)
return -EINVAL;
if (wl_ioctl(dev, WLC_GET_WET, &wds, sizeof(wds)) < 0)
return -EINVAL;
if (passive) {
wrqu->mode = IW_MODE_MONITOR;
} else if (!infra) {
wrqu->mode = IW_MODE_ADHOC;
} else if (wds) {
wrqu->mode = IW_MODE_SECOND;
} else {
if (ap) {
wrqu->mode = IW_MODE_MASTER;
@ -813,6 +826,10 @@ static int __init wlcompat_init()
old_ioctl = dev->do_ioctl;
dev->do_ioctl = new_ioctl;
dev->wireless_handlers = (struct iw_handler_def *)&wlcompat_handler_def;
#ifdef DEBUG
printk("broadcom driver private data: 0x%08x\n", dev->priv);
print_buffer(200, dev->priv);
#endif
return 0;
}