From: Pravin B Shelar <pshelar@nicira.com>
Date: Tue, 3 Sep 2013 16:44:44 +0000 (-0700)
Subject: vxlan: Optimize vxlan rcv
X-Git-Tag: v3.12-rc1~132^2~25
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=430eda6d6d568eded71dfd1be5a16c0c1379e201;p=pandora-kernel.git

vxlan: Optimize vxlan rcv

vxlan-udp-recv function lookup vxlan_sock struct on every packet
recv by using udp-port number. we can use sk->sk_user_data to
store vxlan_sock and avoid lookup.
I have open coded rcu-api to store and read vxlan_sock from
sk_user_data to avoid sparse warning as sk_user_data is not
__rcu pointer.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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