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vxlan: Checksum fixes

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Call skb_pop_rcv_encapsulation and postpull_rcsum for the Ethernet
header to work properly with checksum complete.

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tom Herbert 2014-06-14 23:24:36 -07:00 • committed by David S. Miller
parent e5eb4e30a5
commit f79b064c15
1 changed files with 2 additions and 9 deletions
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11
drivers/net/vxlan.c
View file

@ -1156,15 +1156,7 @@ static int vxlan_udp_encap_recv(struct sock *sk, struct sk_buff *skb)
if (!vs) if (!vs)
goto drop; goto drop;
/* If the NIC driver gave us an encapsulated packet skb_pop_rcv_encapsulation(skb);
* with the encapsulation mark, the device checksummed it
* for us. Otherwise force the upper layers to verify it.
*/
if ((skb->ip_summed != CHECKSUM_UNNECESSARY && skb->ip_summed != CHECKSUM_PARTIAL) ||
!skb->encapsulation)
skb->ip_summed = CHECKSUM_NONE;
skb->encapsulation = 0;
vs->rcv(vs, skb, vxh->vx_vni); vs->rcv(vs, skb, vxh->vx_vni);
return 0; return 0;
@ -1201,6 +1193,7 @@ static void vxlan_rcv(struct vxlan_sock *vs,
skb_reset_mac_header(skb); skb_reset_mac_header(skb);
skb_scrub_packet(skb, !net_eq(vxlan->net, dev_net(vxlan->dev))); skb_scrub_packet(skb, !net_eq(vxlan->net, dev_net(vxlan->dev)));
skb->protocol = eth_type_trans(skb, vxlan->dev); skb->protocol = eth_type_trans(skb, vxlan->dev);
skb_postpull_rcsum(skb, eth_hdr(skb), ETH_HLEN);
/* Ignore packet loops (and multicast echo) */ /* Ignore packet loops (and multicast echo) */
if (ether_addr_equal(eth_hdr(skb)->h_source, vxlan->dev->dev_addr)) if (ether_addr_equal(eth_hdr(skb)->h_source, vxlan->dev->dev_addr))