netdev - Re: TCP communication for raw image transmission

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Message-ID: <1325577977.2549.12.camel@edumazet-laptop>
Date:	Tue, 03 Jan 2012 09:06:17 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Jean-Michel Hautbois <jhautbois@...il.com>
Cc:	netdev@...r.kernel.org
Subject: Re: TCP communication for raw image transmission

Le mardi 03 janvier 2012 à 08:36 +0100, Jean-Michel Hautbois a écrit :

> After looking to the results, I can't see really bad values or
> anything which would explain such a behaviour...

no tcp problems, so your board seems to be slow

> Maybe is there some limits in the driver ? My board is a leopardboard (dm368).
> Any idea ?

Just to have any idea of the inter frame timings, could you post the
~200 first frames taken on x86 ?

tcpdump -p -n -s 0 -i eth0 host arm_ip -c 200




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