summaryrefslogtreecommitdiff
path: root/include/net/dst_metadata.h
diff options
context:
space:
mode:
authorPaolo Abeni <pabeni@redhat.com>2016-02-12 15:43:57 +0100
committerDavid S. Miller <davem@davemloft.net>2016-02-16 20:21:48 -0500
commitd71785ffc7e7cae3fbdc4ea8a9d05b7a1c59f7b8 (patch)
tree142081880ca68e3f066df14ecfb2371b229e76fd /include/net/dst_metadata.h
parent0c1d70af924b966cc71e9e48920b2b635441aa50 (diff)
net: add dst_cache to ovs vxlan lwtunnel
In case of UDP traffic with datagram length below MTU this give about 2% performance increase when tunneling over ipv4 and about 60% when tunneling over ipv6 Signed-off-by: Paolo Abeni <pabeni@redhat.com> Suggested-and-acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/dst_metadata.h')
-rw-r--r--include/net/dst_metadata.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/net/dst_metadata.h b/include/net/dst_metadata.h
index 30a56ab2ccfb..84b833af6882 100644
--- a/include/net/dst_metadata.h
+++ b/include/net/dst_metadata.h
@@ -62,6 +62,7 @@ static inline int skb_metadata_dst_cmp(const struct sk_buff *skb_a,
sizeof(a->u.tun_info) + a->u.tun_info.options_len);
}
+void metadata_dst_free(struct metadata_dst *);
struct metadata_dst *metadata_dst_alloc(u8 optslen, gfp_t flags);
struct metadata_dst __percpu *metadata_dst_alloc_percpu(u8 optslen, gfp_t flags);