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authorTom Herbert <therbert@google.com>2014-06-04 17:20:16 -0700
committerDavid S. Miller <davem@davemloft.net>2014-06-04 22:46:38 -0700
commit0f4f4ffa7b7c3d29d0537a126145c9f8d8ed5dbc (patch)
tree03c42c474aacb185f7401acdffea600476d1d6e1 /include
parente9c3a24b3ace90b428848fdaf772ed264982abcc (diff)
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 'include')
-rw-r--r--include/linux/netdev_features.h1
-rw-r--r--include/linux/skbuff.h2
2 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h
index c26d0ec2ef3a..f1338e0f9866 100644
--- a/include/linux/netdev_features.h
+++ b/include/linux/netdev_features.h
@@ -45,6 +45,7 @@ enum {
NETIF_F_GSO_IPIP_BIT, /* ... IPIP tunnel with TSO */
NETIF_F_GSO_SIT_BIT, /* ... SIT tunnel with TSO */
NETIF_F_GSO_UDP_TUNNEL_BIT, /* ... UDP TUNNEL with TSO */
+ NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT,/* ... UDP TUNNEL with TSO & CSUM */
NETIF_F_GSO_MPLS_BIT, /* ... MPLS segmentation */
/**/NETIF_F_GSO_LAST = /* last bit, see GSO_MASK */
NETIF_F_GSO_MPLS_BIT,
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index d8d397acb52c..5a6d10a538f5 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -345,6 +345,8 @@ enum {
SKB_GSO_UDP_TUNNEL = 1 << 9,
SKB_GSO_MPLS = 1 << 10,
+
+ SKB_GSO_UDP_TUNNEL_CSUM = 1 << 11,
};
#if BITS_PER_LONG > 32