mac80211: add support for iwconfig wlanX frag auto

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index 1babb97..736c32e 100644 (file)
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -800,6 +800,8 @@ static int ieee80211_ioctl_siwfrag(struct net_device *dev,
 
        if (frag->disabled)
                local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
+       else if (!frag->fixed)
+               local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
        else if (frag->value < 256 ||
                 frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
                return -EINVAL;