linux-kernel - Re: Kernel hard_start_xmit performance vs SOCK

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Message-ID: <1f808b4a0906260747i610b68bej2eaeb87d72e24c08@mail.gmail.com>
Date:	Fri, 26 Jun 2009 20:17:57 +0530
From:	Peter Chacko <peterchacko35@...il.com>
To:	Gallus <gall.cwpl@...il.com>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, linux-kernel@...r.kernel.org
Subject: Re: Kernel hard_start_xmit performance vs SOCK_RAW performance

Did you try using PACKET socket interface  from your module  ?
(essentially as fast as hard-start-transmit() path ...there will be
tools that can be used for this purpose....I am not sure of any such
tool though...:-) you need to skip the scheduling (qdiscs) path also..

I think, Linux-net mailing list would be more appropriate to have this
discussion.

Thanks,
Peter

NetDiox computing systems
Bangalore-india
www.netdiox.com
080 2664 0708

On Fri, Jun 26, 2009 at 8:05 PM, Gallus<gall.cwpl@...il.com> wrote:
> 2009/6/26 Alan Cox <alan@...rguk.ukuu.org.uk>:
>> On Fri, 26 Jun 2009 16:04:04 +0200
>> Gallus <gall.cwpl@...il.com> wrote:
>>
>>> Hi,
>>> what path would you choose to rapidly generate packets
>>
>> Documentation/networking/pktgen.txt
>
> Thank you Alan for the answer.
>
> However, my goal is to generate packets with certain *content* in them.
>
> --
> Regards,
> Gallus
> please CC me
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