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mac80211: Allow scan to be requested in AP mode 

We can allow scan requests in AP mode as long as the interface has not
yet been configured to send out Beacon frames (or if beaconing has
been disabled prior to the scan request). This makes it easier to scan
for neighboring BSSes during AP initialization and makes it possible
to run a scan without setting the interface down, if needed. Without
this change, the only available option would be to set the interface
down, move into station mode, and set the interface up, prior to
requesting the scan.

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Jouni Malinen 2009-04-16 18:44:53 +03:00 committed by John W. Linville
parent 955394c98c
commit 357303e2b6
1 changed files with 2 additions and 1 deletions
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3
net/mac80211/cfg.c
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@ -1167,7 +1167,8 @@ static int ieee80211_scan(struct wiphy *wiphy,
if (sdata->vif.type != NL80211_IFTYPE_STATION &&
sdata->vif.type != NL80211_IFTYPE_ADHOC &&
sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
(sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
return -EOPNOTSUPP;
return ieee80211_request_scan(sdata, req);