netdev - Re: RFC: Support send-to-self over external interfaces (and veths).

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Message-ID: <466D7489.2000004@trash.net>
Date:	Mon, 11 Jun 2007 18:12:57 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	Ben Greear <greearb@...delatech.com>
CC:	NetDev <netdev@...r.kernel.org>
Subject: Re: RFC:  Support send-to-self over external interfaces (and veths).

Ben Greear wrote:
> Patrick McHardy wrote:
> 
>> I would really prefer to simply make the prio 0 "lookup local"
>> rule deletable so you can rules with higher priority. That
>> allows to do send to self without any further code changes
>> and avoids the need to bind applications to a device.
>>   
> 
> I am not against making that change as well, but it is often easier to
> just bind-to-device
> than to set up specific host routes for every possible combination..as
> it appears your
> method requires.  (I could have mis-understood the routing requirements,
> but it seemed to
> if you wanted any 100 interfaces to send to any other, your method would
> required 100 * 100
> routes.)

If you want arbitary combinations bases solely on routing, yes
(thats not different from not using send to self). But binding
explicitly should also work fine.

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