From: Patrick McHardy <kaber@trash.net>
Date: Sat, 19 Jul 2008 01:05:19 +0000 (-0700)
Subject: packet: add PACKET_RESERVE sockopt
X-Git-Tag: v2.6.27-rc1~969^2~27
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8913336a7e8d56e984109a3137d6c0e3362596a4;p=pandora-kernel.git

packet: add PACKET_RESERVE sockopt

Add new sockopt to reserve some headroom in the mmaped ring frames in
front of the packet payload. This can be used f.i. when the VLAN header
needs to be (re)constructed to avoid moving the entire payload.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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