vxlan: Set inner protocol before transmit

Call skb_set_inner_protocol to set inner Ethernet protocol to
ETH_P_TEB before transmit. This is needed for GSO with UDP tunnels.

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 34e102e..2af795d 100644 (file)
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -1610,6 +1610,8 @@ static int vxlan6_xmit_skb(struct vxlan_sock *vs,
        vxh->vx_flags = htonl(VXLAN_FLAGS);
        vxh->vx_vni = vni;
 
+       skb_set_inner_protocol(skb, htons(ETH_P_TEB));
+
        udp_tunnel6_xmit_skb(vs->sock, dst, skb, dev, saddr, daddr, prio,
                             ttl, src_port, dst_port);
        return 0;
@@ -1652,6 +1654,8 @@ int vxlan_xmit_skb(struct vxlan_sock *vs,
        vxh->vx_flags = htonl(VXLAN_FLAGS);
        vxh->vx_vni = vni;
 
+       skb_set_inner_protocol(skb, htons(ETH_P_TEB));
+
        return udp_tunnel_xmit_skb(vs->sock, rt, skb, src, dst, tos,
                                   ttl, df, src_port, dst_port, xnet);
 }