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[PATCH] mac80211: honor IW_SCAN_THIS_ESSID in siwscan ioctl

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This patch fixes the problem of associating with wpa_secured hidden
AP.  Please try out.

The original author of this patch is Bill Moss <bmoss@clemson.edu>

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Bill Moss 2007-10-10 16:23:55 -04:00 committed by John W. Linville
parent cffdd30d20
commit 107acb23ba
1 changed files with 24 additions and 16 deletions
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40
net/mac80211/ieee80211_ioctl.c
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@ -511,32 +511,40 @@ static int ieee80211_ioctl_giwap(struct net_device *dev,
static int ieee80211_ioctl_siwscan(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *data, char *extra)
union iwreq_data *wrqu, char *extra)
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct iw_scan_req *req = NULL;
u8 *ssid = NULL;
size_t ssid_len = 0;
if (!netif_running(dev))
return -ENETDOWN;
switch (sdata->type) {
case IEEE80211_IF_TYPE_STA:
case IEEE80211_IF_TYPE_IBSS:
if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) {
ssid = sdata->u.sta.ssid;
ssid_len = sdata->u.sta.ssid_len;
if (wrqu->data.length == sizeof(struct iw_scan_req) &&
wrqu->data.flags & IW_SCAN_THIS_ESSID) {
req = (struct iw_scan_req *)extra;
ssid = req->essid;
ssid_len = req->essid_len;
} else {
switch (sdata->type) {
case IEEE80211_IF_TYPE_STA:
case IEEE80211_IF_TYPE_IBSS:
if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) {
ssid = sdata->u.sta.ssid;
ssid_len = sdata->u.sta.ssid_len;
}
break;
case IEEE80211_IF_TYPE_AP:
if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) {
ssid = sdata->u.ap.ssid;
ssid_len = sdata->u.ap.ssid_len;
}
break;
default:
return -EOPNOTSUPP;
}
break;
case IEEE80211_IF_TYPE_AP:
if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) {
ssid = sdata->u.ap.ssid;
ssid_len = sdata->u.ap.ssid_len;
}
break;
default:
return -EOPNOTSUPP;
}
return ieee80211_sta_req_scan(dev, ssid, ssid_len);