diff options
| author | Tom Herbert <therbert@google.com> | 2014-06-04 17:20:16 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-06-04 22:46:38 -0700 |
| commit | 0f4f4ffa7b7c3d29d0537a126145c9f8d8ed5dbc (patch) | |
| tree | 03c42c474aacb185f7401acdffea600476d1d6e1 /net/ipv4/udp_offload.c | |
| parent | e9c3a24b3ace90b428848fdaf772ed264982abcc (diff) | |
| download | linux-0f4f4ffa7b7c3d29d0537a126145c9f8d8ed5dbc.tar.gz linux-0f4f4ffa7b7c3d29d0537a126145c9f8d8ed5dbc.tar.xz | |
net: Add GSO support for UDP tunnels with checksum
Added a new netif feature for GSO_UDP_TUNNEL_CSUM. This indicates
that a device is capable of computing the UDP checksum in the
encapsulating header of a UDP tunnel.
Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/udp_offload.c')
| -rw-r--r-- | net/ipv4/udp_offload.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c index 88b4023ecfcf..5c23f4765af9 100644 --- a/net/ipv4/udp_offload.c +++ b/net/ipv4/udp_offload.c @@ -56,7 +56,8 @@ static struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb, __wsum csum; if (skb->encapsulation && - skb_shinfo(skb)->gso_type & SKB_GSO_UDP_TUNNEL) { + (skb_shinfo(skb)->gso_type & + (SKB_GSO_UDP_TUNNEL|SKB_GSO_UDP_TUNNEL_CSUM))) { segs = skb_udp_tunnel_segment(skb, features); goto out; } @@ -71,6 +72,7 @@ static struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb, if (unlikely(type & ~(SKB_GSO_UDP | SKB_GSO_DODGY | SKB_GSO_UDP_TUNNEL | + SKB_GSO_UDP_TUNNEL_CSUM | SKB_GSO_IPIP | SKB_GSO_GRE | SKB_GSO_MPLS) || !(type & (SKB_GSO_UDP)))) |