openwrtv4/target/linux/generic/patches-3.19/680-net-skip-gro-for-otherhost-packets.patch
Felix Fietkau 270bc6427b kernel: skip GRO for packets bridged to other hosts
Eliminates excessive skb copying when bridging from LAN to WLAN on
ramips.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 44797
2015-03-15 20:32:09 +00:00

12 lines
262 B
Diff

--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3967,6 +3967,9 @@ static enum gro_result dev_gro_receive(s
enum gro_result ret;
int grow;
+ if (skb->pkt_type == PACKET_OTHERHOST)
+ goto normal;
+
if (!(skb->dev->features & NETIF_F_GRO))
goto normal;