netdev - Re: [PATCH] add vif using local interface index instead of IP

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Message-Id: <20091007.012341.70851712.davem@davemloft.net>
Date:	Wed, 07 Oct 2009 01:23:41 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	mail4ilia@...il.com
Cc:	opurdila@...acom.com, netdev@...r.kernel.org
Subject: Re: [PATCH] add vif using local interface index instead of IP

From: "Ilia K." <mail4ilia@...il.com>
Date: Wed, 16 Sep 2009 18:53:07 +0300

> When routing daemon wants to enable forwarding of multicast traffic it
> performs something like:
 ...
> This leads (in the kernel) to calling  vif_add() function call which
> search the (physical) device using assigned IP address:
>        dev = ip_dev_find(net, vifc->vifc_lcl_addr.s_addr);
> 
> The current API (struct vifctl) does not allow to specify an
> interface other way than using it's IP, and if there are more than a
> single interface with specified IP only the first one will be found.
> 
> The attached patch (against 2.6.30.4) allows to specify an interface
> by its index, instead of IP address:
...
> Signed-off-by: Ilia K. <mail4ilia@...il.com>

Applied, thank you.
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