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Re: [PATCH] staging/octeon: Software should check the checksum of no tcp

To: David Daney <>
Subject: Re: [PATCH] staging/octeon: Software should check the checksum of no tcp/udp packets
From: Greg KH <>
Date: Mon, 26 Sep 2011 17:51:27 -0700
Cc:,,, David Miller <>,
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In-reply-to: <>
References: <> <>
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On Mon, Sep 26, 2011 at 12:50:44PM -0700, David Daney wrote:
> On 09/25/2011 06:08 PM, wrote:
> >From: Roy.Li<>
> >
> >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<>
> We found the same problem, but have not yet sent the patch to fix it.
> This looks fine to me,
> Acked-by: David Daney <>
> I would let davem, Ralf and Greg KH fight over who gets to merge it.

I'll let Ralf take it, unless he wants me to.


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