From: Salam Noureddine <noureddine@arista.com>
Date: Tue, 27 Jan 2015 19:35:48 +0000 (-0800)
Subject: dev: add per net_device packet type chains
X-Git-Tag: fixes-v4.0-rc1~150^2~101
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7866a621043f;p=pandora-kernel.git

dev: add per net_device packet type chains

When many pf_packet listeners are created on a lot of interfaces the
current implementation using global packet type lists scales poorly.
This patch adds per net_device packet type lists to fix this problem.

The patch was originally written by Eric Biederman for linux-2.6.29.
Tested on linux-3.16.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Salam Noureddine <noureddine@arista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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