From: Ben Greear <greearb@candelatech.com>
To: Amit Kucheria <amitk@ittc.ku.edu>
Cc: linux-net <linux-net@vger.kernel.org>
Subject: Re: kernel module to generate UDP & TCP traffic?
Date: Mon, 15 Apr 2002 16:52:39 -0700 [thread overview]
Message-ID: <3CBB67C7.4080905@candelatech.com> (raw)
In-Reply-To: Pine.LNX.4.44.0204151840060.10022-100000@havoc.ittc.ku.edu
Amit Kucheria wrote:
> On Mon, 15 Apr 2002, Ben Greear wrote:
>
>
>>I'm considering writing a kernel module that will be used to
>>generate and receive copious amounts of Ethernet, UDP, and TCP
>>traffic. I would prefer to tweak/use an existing tool if any
>>is available. Any suggestions?
>>
>>Thanks,
>>Ben
>>
>
>
> How about using the tun/tap devices in the 2.4. kernels which can RX/TX
> Ethernet frames from/to userspace?
I can already send/rcv packets with raw sockets, but the problem is that
causes coppies to/from user space, which not only decreases throughput, but
adds considerable latency. If I can run the generation down in the kernel,
it will run much faster.
>
> http://vtun.sourceforge.net
>
>
--
Ben Greear <greearb@candelatech.com> <Ben_Greear AT excite.com>
President of Candela Technologies Inc http://www.candelatech.com
ScryMUD: http://scry.wanfear.com http://scry.wanfear.com/~greear
next prev parent reply other threads:[~2002-04-15 23:52 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-15 23:36 kernel module to generate UDP & TCP traffic? Ben Greear
2002-04-15 23:43 ` David S. Miller
2002-04-16 0:25 ` Ben Greear
2002-04-15 23:43 ` Amit Kucheria
2002-04-15 23:52 ` Ben Greear [this message]
2002-04-16 6:39 ` injecting packets Vasu
2002-04-16 8:15 ` Avniwb
2002-04-16 22:27 ` Casey Carter
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