From 76ba0aae673075c77a8b775e9133c8e8b1a44563 Mon Sep 17 00:00:00 2001
From: Tom Herbert <therbert@google.com>
Date: Fri, 2 May 2014 16:29:18 -0700
Subject: [PATCH] net: Generalize checksum_init functions

Create a general __skb_checksum_validate function (actually a
macro) to subsume the various checksum_init functions. This
function can either init the checksum, or do the full validation
(logically checksum_init+skb_check_complete)-- a flag specifies
if full vaidation is performed. Also, there is a flag to the function
to indicate that zero checksums are allowed (to support optional
UDP checksums).

Added several stub functions for calling __skb_checksum_validate.

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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