From: "Sumit" <sumit@elitecore.com>
To: "'Jeff' R. Steinhagen" <Jeff@steinhagen.ch>, <netdev@oss.sgi.com>
Subject: RE: forcing a packet to go through hw net device
Date: Tue, 10 May 2005 11:32:17 +0530 [thread overview]
Message-ID: <HGEFKOBCHAIJDIEJLAKDIECOCBAA.sumit@elitecore.com> (raw)
In-Reply-To: <200505091458.42118.Jeff@steinhagen.ch>
Check out netfilter ROUTE target.
All the best,
-- Sumit
> -----Original Message-----
> From: netdev-bounce@oss.sgi.com [mailto:netdev-bounce@oss.sgi.com]On
> Behalf Of 'Jeff' R. Steinhagen
>
> Hi!
>
> I have a (maybe trivial) question about the kernel's networking code:
>
> A packet with an "outside" destination goes through all layers
> including the
> hardware interface (user->socket->protocol->IP->HW). However if
> the packet is
> addressed to a local IP the transport through and checks by the hardware
> layer are avoided. This is perfectly OK for "normal" network usage.
>
> I am profiling some network hardware and related code. Is it
> possible to force
> an internally generated packet to be send through all/the hardware layers?
>
next prev parent reply other threads:[~2005-05-10 6:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-09 12:58 forcing a packet to go through hw net device 'Jeff' R. Steinhagen
2005-05-10 6:02 ` Sumit [this message]
2005-05-10 6:21 ` 'Jeff' R. Steinhagen
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