From: Hao Zheng <hzheng@nicira.com>
Date: Thu, 11 Nov 2010 13:47:57 +0000 (+0000)
Subject: vlan: Add function to retrieve EtherType from vlan packets.
X-Git-Tag: v2.6.37-rc2~20^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0a85df004667c99efc31fab07386823eefce3be5;p=pandora-kernel.git

vlan: Add function to retrieve EtherType from vlan packets.

Depending on how a packet is vlan tagged (i.e. hardware accelerated or
not), the encapsulated protocol is stored in different locations.  This
provides a consistent method of accessing that protocol, which is needed
by drivers, security checks, etc.

Signed-off-by: Hao Zheng <hzheng@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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