From: Alexander Drozdov <al.drozdov@gmail.com>
Date: Mon, 23 Mar 2015 06:11:13 +0000 (+0300)
Subject: af_packet: pass checksum validation status to the user
X-Git-Tag: omap-for-v4.1/fixes-rc1~141^2~166
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=682f048bd49449f4ab978664a7f69a44a74e3caa;p=pandora-kernel.git

af_packet: pass checksum validation status to the user

Introduce TP_STATUS_CSUM_VALID tp_status flag to tell the
af_packet user that at least the transport header checksum
has been already validated.

For now, the flag may be set for incoming packets only.

Signed-off-by: Alexander Drozdov <al.drozdov@gmail.com>
Cc: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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