mac80211: support hardware TX fragmentation offload
The lower driver is notified when the fragmentation threshold changes
and upon a reconfig of the interface.
If the driver supports hardware TX fragmentation, don't fragment
packets in the stack.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 18bd0e5..3df12f7 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1299,6 +1299,13 @@
struct ieee80211_local *local = wiphy_priv(wiphy);
int err;
+ if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
+ err = drv_set_frag_threshold(local, wiphy->frag_threshold);
+
+ if (err)
+ return err;
+ }
+
if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
err = drv_set_coverage_class(local, wiphy->coverage_class);