From: Alexei Starovoitov <ast@plumgrid.com>
Date: Tue, 17 Mar 2015 01:06:02 +0000 (-0700)
Subject: bpf: allow BPF programs access 'protocol' and 'vlan_tci' fields
X-Git-Tag: omap-for-v4.2/o2_dc~131^2~222
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c24973957975;p=pandora-kernel.git

bpf: allow BPF programs access 'protocol' and 'vlan_tci' fields

as a follow on to patch 70006af95515 ("bpf: allow eBPF access skb fields")
this patch allows 'protocol' and 'vlan_tci' fields to be accessible
from extended BPF programs.

The usage of 'protocol', 'vlan_present' and 'vlan_tci' fields is the same as
corresponding SKF_AD_PROTOCOL, SKF_AD_VLAN_TAG_PRESENT and SKF_AD_VLAN_TAG
accesses in classic BPF.

Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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