mac80211: extend fast-xmit to driver fragmentation
authorJohannes Berg <johannes.berg@intel.com>
Fri, 10 Apr 2015 12:02:08 +0000 (14:02 +0200)
committerJohannes Berg <johannes.berg@intel.com>
Wed, 22 Apr 2015 08:07:36 +0000 (10:07 +0200)
If the driver handles fragmentation then it wouldn't
be done in software so we can still use the fast-xmit
path in that case.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
net/mac80211/tx.c

index 160e1927323d3a26ad30752d449298764b147dec..d983683a8a13e700830080eced49801e79274933 100644 (file)
@@ -2450,7 +2450,8 @@ void ieee80211_check_fast_xmit(struct sta_info *sta)
                goto out;
 
        /* fast-xmit doesn't handle fragmentation at all */
-       if (local->hw.wiphy->frag_threshold != (u32)-1)
+       if (local->hw.wiphy->frag_threshold != (u32)-1 &&
+           !local->ops->set_frag_threshold)
                goto out;
 
        rcu_read_lock();