@@ -1785,6 +1785,9 @@ static int vxlan_xmit_skb(struct rtable *rt, struct sock *sk, struct sk_buff *sk
bool udp_sum = !!(vxflags & VXLAN_F_UDP_CSUM);
int type = udp_sum ? SKB_GSO_UDP_TUNNEL_CSUM : SKB_GSO_UDP_TUNNEL;
u16 hdrlen = sizeof(struct vxlanhdr);
+ /* Is device able to do the inner checksum? */
+ bool inner_csum = skb_dst(skb) && skb_dst(skb)->dev &&
+ (skb_dst(skb)->dev->features & NETIF_F_HW_CSUM);
if ((vxflags & VXLAN_F_REMCSUM_TX) &&
skb->ip_summed == CHECKSUM_PARTIAL) {
@@ -1814,7 +1817,7 @@ static int vxlan_xmit_skb(struct rtable *rt, struct sock *sk, struct sk_buff *sk
if (WARN_ON(!skb))
return -ENOMEM;
- skb = iptunnel_handle_offloads(skb, udp_sum, type);
+ skb = iptunnel_handle_offloads(skb, udp_sum && !inner_csum, type);
if (IS_ERR(skb))
return PTR_ERR(skb);
Signed-off-by: Edward Cree <ecree@solarflare.com> --- drivers/net/vxlan.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)