linux-kernel - Re: tcp/ip stack question

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Message-ID: <75b66ecd0706071201m3068ca5cge65a6d423e110df2@mail.gmail.com>
Date:	Thu, 7 Jun 2007 15:01:50 -0400
From:	"Lee Revell" <rlrevell@...-job.com>
To:	"kernel coder" <lhrkernelcoder@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: tcp/ip stack question

On 6/7/07, kernel coder <lhrkernelcoder@...il.com> wrote:
> hi,
>        I am recieveing the packet on eth1 and want to send it through eth2.
>
> I've written code in netif_recieve_skb function .This code changes the
> mac header in sk_buff structure so that it can be send through other
> interface card.But when i call ip_dev_find fucntion to get the second
> interface structure ,NULL is returned.I checked the ip of second
> ethernet card  and it was similar to one passed to ip_dev_find
> fucntion,then why NULL is being returned?
>

Um... why would you need to modify kernel code to do this?  Try "man route".

Lee
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