From: Roy.Li <rongqing.li@windriver.com>
Date: Mon, 26 Sep 2011 01:08:00 +0000 (+0800)
Subject: staging/octeon: Software should check the checksum of no tcp/udp packets
X-Git-Tag: v3.1-rc10~17^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a4be637b34a543af5b5421a8ee0ee04d30f5f58e;p=pandora-kernel.git

staging/octeon: Software should check the checksum of no tcp/udp packets

Icmp packets with wrong checksum are never dropped since skb->ip_summed is
set to CHECKSUM_UNNECESSARY.

When icmp packets with wrong checksum pass through the octeon net driver,
the not_IP, IP_exc, L4_error hardware indicators show no error. so the
driver sets CHECKSUM_UNNECESSARY on skb->ip_summed.

L4_error only works for TCP/UDP, not for ICMP.

Signed-off-by: Roy.Li <rongqing.li@windriver.com>
To: linux-mips@linux-mips.org
Cc: netdev@vger.kernel.org
Cc: ralf@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2798/
Acked-by: David Daney <david.daney@cavium.com>
Cc: Greg KH <greg@kroah.com
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

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