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vxlan: fix receive checksum handling

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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>
This commit is contained in:
stephen hemminger 2012-10-09 20:35:52 +00:00 committed by David S. Miller
parent 2840bf2286
commit d97c00a321
1 changed files with 1 additions and 2 deletions
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3
drivers/net/vxlan.c
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@ -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)) {