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authorstephen hemminger <shemminger@vyatta.com>2012-10-09 20:35:52 +0000
committerDavid S. Miller <davem@davemloft.net>2012-10-10 22:41:22 -0400
commitd97c00a32198f0d066556006cfcd409efb28f746 (patch)
tree1dac2ba815c1662981b449d687901876bc6fc8a1 /drivers/net/vxlan.c
parent2840bf22866935fe7197582bcbe2cde4503e0bba (diff)
downloadlinux-d97c00a32198f0d066556006cfcd409efb28f746.tar.gz
vxlan: fix receive checksum handling
Vxlan was trying to use postpull_rcsum to allow receive checksum
offload to work on drivers using CHECKSUM_COMPLETE method. But this
doesn't work correctly. Just force full receive checksum on received
packet.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/vxlan.c')
-rw-r--r--drivers/net/vxlan.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 0b95d5fffce7..763061d97921 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -537,7 +537,6 @@ static int vxlan_udp_encap_recv(struct sock *sk, struct sk_buff *skb)
 	}
 
 	__skb_pull(skb, sizeof(struct vxlanhdr));
-	skb_postpull_rcsum(skb, eth_hdr(skb), sizeof(struct vxlanhdr));
 
 	/* Is this VNI defined? */
 	vni = ntohl(vxh->vx_vni) >> 8;
@@ -556,7 +555,6 @@ static int vxlan_udp_encap_recv(struct sock *sk, struct sk_buff *skb)
 	/* Re-examine inner Ethernet packet */
 	oip = ip_hdr(skb);
 	skb->protocol = eth_type_trans(skb, vxlan->dev);
-	skb_postpull_rcsum(skb, eth_hdr(skb), ETH_HLEN);
 
 	/* Ignore packet loops (and multicast echo) */
 	if (compare_ether_addr(eth_hdr(skb)->h_source,
@@ -568,6 +566,7 @@ static int vxlan_udp_encap_recv(struct sock *sk, struct sk_buff *skb)
 
 	__skb_tunnel_rx(skb, vxlan->dev);
 	skb_reset_network_header(skb);
+	skb->ip_summed = CHECKSUM_NONE;
 
 	err = IP_ECN_decapsulate(oip, skb);
 	if (unlikely(err)) {