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

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Message-ID: <4B883A27.9040803@parallels.com>
Date:	Sat, 27 Feb 2010 00:16:23 +0300
From:	Pavel Emelyanov <xemul@...allels.com>
To:	Stephen Hemminger <shemminger@...ux-foundation.org>
CC:	Ben Greear <greearb@...delatech.com>,
	David Miller <davem@...emloft.net>, 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

Stephen Hemminger wrote:
> On Fri, 26 Feb 2010 10:40:46 -0800
> Ben Greear <greearb@...delatech.com> wrote:
> 
>> On 02/26/2010 10:30 AM, Stephen Hemminger wrote:
>>> 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?
>> I use it..helps with using multiple interfaces on the same system,
>> especially when sending-to-self.
>>
> 
> That is a special case which is not related to the discussion.
> We are talking about being able to setup a bridge and migrate the
> associated state from the ethernet device to the bridge.

Well, actually the intention was to discuss all the related issues.
I do agree with the proposal of the "inherit" made in userspace, but
I'd also like to know your opinion about the netfilter question I 
asked in another e-mail and this issue.

Thanks,
Pavel
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