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| author | Felix Fietkau <nbd@openwrt.org> | 2015-03-15 20:32:09 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2015-03-15 20:32:09 +0000 |
| commit | 0e879af4add196a17998ce75aed6a6938c6c624d (patch) | |
| tree | ad06197586e572a0d7f22b1d739b52f51faa2ff3 | |
| parent | eff9c0f69606d1f5ad0ed8f71074a940a4f20d6a (diff) | |
| download | master-187ad058-0e879af4add196a17998ce75aed6a6938c6c624d.tar.gz master-187ad058-0e879af4add196a17998ce75aed6a6938c6c624d.tar.bz2 master-187ad058-0e879af4add196a17998ce75aed6a6938c6c624d.zip | |
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>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44797 3c298f89-4303-0410-b956-a3cf2f4a3e73
3 files changed, 36 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.18/680-net-skip-gro-for-otherhost-packets.patch b/target/linux/generic/patches-3.18/680-net-skip-gro-for-otherhost-packets.patch new file mode 100644 index 0000000000..3adc4e37bb --- /dev/null +++ b/target/linux/generic/patches-3.18/680-net-skip-gro-for-otherhost-packets.patch @@ -0,0 +1,12 @@ +--- a/net/core/dev.c ++++ b/net/core/dev.c +@@ -4003,6 +4003,9 @@ 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; + diff --git a/target/linux/generic/patches-3.19/680-net-skip-gro-for-otherhost-packets.patch b/target/linux/generic/patches-3.19/680-net-skip-gro-for-otherhost-packets.patch new file mode 100644 index 0000000000..e3fa9172e2 --- /dev/null +++ b/target/linux/generic/patches-3.19/680-net-skip-gro-for-otherhost-packets.patch @@ -0,0 +1,12 @@ +--- 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; + diff --git a/target/linux/generic/patches-4.0/680-net-skip-gro-for-otherhost-packets.patch b/target/linux/generic/patches-4.0/680-net-skip-gro-for-otherhost-packets.patch new file mode 100644 index 0000000000..fc3625848b --- /dev/null +++ b/target/linux/generic/patches-4.0/680-net-skip-gro-for-otherhost-packets.patch @@ -0,0 +1,12 @@ +--- a/net/core/dev.c ++++ b/net/core/dev.c +@@ -4005,6 +4005,9 @@ 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; + |