From c3ff8cfe3e7748a93c4815b76e464d54c7efd241 Mon Sep 17 00:00:00 2001
From: Thomas Graf <tgraf@suug.ch>
Date: Fri, 29 Mar 2013 14:46:49 +0100
Subject: [PATCH] openvswitch: Refine Netlink message size calculation and kill
 FLOW_BUFSIZE

Kills the FLOW_BUFSIZE constant which needs to be calculated manually
and replaces it with key_attr_size() based on nla_total_size().
Calculates the size of datapath messages instead of relying on
NLMSG_DEFAULT_SIZE and moves the existing message size calculations
into own functions for clarity.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Jesse Gross <jesse@nicira.com>
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