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implement SIOCGIWENCODE in wlcompat (broadcom disabled the ioctl to get the wsec_info, so we have to read it from the chipset's shmem. got the offsets from linux-bcom4301)

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@886 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2005-05-13 21:58:19 +00:00
parent af2a9e621e
commit b8435a4473
1 changed files with 39 additions and 4 deletions
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43
openwrt/package/openwrt/wlcompat.c
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@ -43,6 +43,8 @@ const long channel_frequency[] = {
};
#define NUM_CHANNELS ( sizeof(channel_frequency) / sizeof(channel_frequency[0]) )
static int wlcompat_private_ioctl(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu,
@ -101,6 +103,13 @@ 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)
@ -397,17 +406,43 @@ static int wlcompat_ioctl(struct net_device *dev,
}
case SIOCGIWENCODE:
{
int val = 0;
int val;
if (wl_ioctl(dev, WLC_GET_WEP, &val, sizeof(val)) < 0)
return -EINVAL;
if (val > 0) {
wrqu->data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
int key;
for (key = val = 0; (key < 4) && (val == 0); key++) {
val = key;
if (wl_ioctl(dev, WLC_GET_KEY_PRIMARY, &val, sizeof(val)) < 0)
return -EINVAL;
}
wrqu->data.flags = IW_ENCODE_ENABLED;
if (key-- > 0) {
int magic_offset;
int16 buffer[8];
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);
}
memset(extra, 0, 16);
memcpy(extra, buffer, 16);
} else {
wrqu->data.flags |= IW_ENCODE_NOKEY;
}
} else {
wrqu->data.flags = IW_ENCODE_DISABLED;
}
break;
}