From: Marek Lindner <mareklindner@neomailbox.ch>
Date: Wed, 15 Jan 2014 12:31:18 +0000 (+0800)
Subject: batman-adv: fix batman-adv header overhead calculation
X-Git-Tag: v3.13~4^2~5^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1df0cbd509bc21b0c331358c1f9d9a6fc94bada8;p=pandora-kernel.git

batman-adv: fix batman-adv header overhead calculation

Batman-adv prepends a full ethernet header in addition to its own
header. This has to be reflected in the MTU calculation, especially
since the value is used to set dev->hard_header_len.

Introduced by 411d6ed93a5d0601980d3e5ce75de07c98e3a7de
("batman-adv: consider network coding overhead when calculating required mtu")

Reported-by: cmsv <cmsv@wirelesspt.net>
Reported-by: Martin Hundebøll <martin@hundeboll.net>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
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