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net: use dst_cache for vxlan device

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In case of UDP traffic with datagram length
below MTU this give about 3% performance increase
when tunneling over ipv4 and about 70% 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>
This commit is contained in:
Paolo Abeni
2016-02-12 15:43:56 +01:00
committed by David S. Miller
parent e09acddf87
commit 0c1d70af92
2 changed files with 48 additions and 8 deletions
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1
include/net/vxlan.h
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@@ -148,6 +148,7 @@ struct vxlan_rdst {
u32 remote_ifindex;
struct list_head list;
struct rcu_head rcu;
struct dst_cache dst_cache;
};
struct vxlan_config {