netdev - Re: [RFC 0/5] bridge - introduce via_phys

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Message-Id: <20100226.110115.229233177.davem@davemloft.net>
Date:	Fri, 26 Feb 2010 11:01:15 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	shemminger@...ux-foundation.org
Cc:	xemul@...nvz.org, gorcunov@...il.com, bridge@...ux-foundation.org,
	netdev@...r.kernel.org, den@...nvz.org
Subject: Re: [RFC 0/5] bridge - introduce via_phys_dev feature

From: Stephen Hemminger <shemminger@...ux-foundation.org>
Date: Fri, 26 Feb 2010 10:30:03 -0800

> On Fri, 26 Feb 2010 10:08:00 -0800 (PST)
> David Miller <davem@...emloft.net> wrote:
> 
>> From: Stephen Hemminger <shemminger@...ux-foundation.org>
>> Date: Fri, 26 Feb 2010 10:01:02 -0800
>> 
>> > TCP connections are never really bound to device. TCP routing is
>> > flexible; if packets can get through, it doesn't care.
>> 
>> I think he might be talking about SO_BINDTODEVICE
> 
> What application does that with TCP?

Any application that would like to, it's been supported from day one.

In fact I bet there are more TCP applications that support
SO_BINDTODEVICE than UDP ones.
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