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[RFC/RFT,03/11] mac80211: extend fast-xmit to driver fragmentation

Message ID 1429023829-3991-4-git-send-email-johannes@sipsolutions.net (mailing list archive)
State RFC
Delegated to: Johannes Berg
Headers show

Commit Message

Johannes Berg April 14, 2015, 3:03 p.m. UTC 
From: Johannes Berg <johannes.berg@intel.com>

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 | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index d5bfa6c4afd0..86d64bd11c01 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2439,7 +2439,8 @@  void ieee80211_check_fast_xmit(struct sta_info *sta, gfp_t gfp)
 		return;
 
 	/* 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)
 		return;
 
 	rcu_read_lock();