From: Eric Dumazet <eric.dumazet@gmail.com>
To: Michael Wang <wangyun@linux.vnet.ibm.com>
Cc: monstr@monstr.eu, David Miller <davem@davemloft.net>,
John Williams <john.williams@petalogix.com>,
netdev@vger.kernel.org
Subject: Re: ICMP packets - ll_temac with Microblaze
Date: Thu, 22 Dec 2011 11:46:51 +0100 [thread overview]
Message-ID: <1324550811.2153.3.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> (raw)
In-Reply-To: <4EF30744.6000509@linux.vnet.ibm.com>
Le jeudi 22 décembre 2011 à 18:32 +0800, Michael Wang a écrit :
> On 12/21/2011 06:11 PM, Michal Simek wrote:
>
> > Hi Eric and David,
> >
> > I have found one problem with ll_temac driver and
> > this commit: net: more accurate skb truesize
> > sha1: 87fb4b7b533073eeeaed0b6bf7c2328995f6c075
> >
> > The problem is only with icmp packets from the target. It is sent and
> > driver receive it
> > but it is not proceed to the application.
> >
>
> Hi, Michal
>
> What's the type of icmp you are using? such as "EchoReps", we can find
> the actually handler routine by this type.
>
> And you said the packet already received by driver, can you tell me the
> way you used to confirm this?
>
> And have you checked when was the icmp packet being dropped, is it in
> icmp_rcv or before or later?
Packet was dropped right before being queued in RAW socket
receive_queue, because of low sk_rcvbuf setting (against skb->truesize)
next prev parent reply other threads:[~2011-12-22 10:46 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-21 10:11 ICMP packets - ll_temac with Microblaze Michal Simek
2011-12-21 10:28 ` Eric Dumazet
2011-12-21 10:30 ` Michal Simek
2011-12-21 10:30 ` Eric Dumazet
2011-12-21 10:32 ` Michal Simek
2011-12-21 10:37 ` Eric Dumazet
2011-12-21 10:41 ` Michal Simek
2011-12-21 10:45 ` Eric Dumazet
2011-12-21 10:54 ` Michal Simek
2011-12-21 11:05 ` Eric Dumazet
2011-12-21 11:03 ` Eric Dumazet
2011-12-21 11:10 ` Michal Simek
2011-12-21 11:13 ` Eric Dumazet
2011-12-21 11:50 ` Michal Simek
2011-12-21 12:39 ` Eric Dumazet
2011-12-21 13:28 ` Michal Simek
2011-12-21 13:40 ` Eric Dumazet
2011-12-21 14:24 ` Michal Simek
2011-12-21 15:30 ` Eric Dumazet
2011-12-21 15:44 ` Eric Dumazet
2011-12-21 16:01 ` Jun Zhao
2011-12-21 16:05 ` Eric Dumazet
2011-12-21 16:11 ` Jun Zhao
2011-12-21 16:39 ` David Laight
2011-12-21 16:50 ` Eric Dumazet
2011-12-21 15:59 ` Eric Dumazet
2011-12-21 17:11 ` Eric Dumazet
2011-12-21 20:55 ` David Miller
2011-12-22 7:49 ` Michal Simek
2011-12-22 7:57 ` Eric Dumazet
2011-12-22 8:05 ` Michal Simek
2011-12-22 10:32 ` Michael Wang
2011-12-22 10:46 ` Eric Dumazet [this message]
2011-12-22 13:01 ` Michael Wang
2011-12-22 13:21 ` Eric Dumazet
2011-12-22 13:42 ` Michael Wang
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