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Re: [patch 05/12] net namespace : ioctl to push ifa to net namespace l3 [message #17300 is a reply to message #17294]

Sat, 20 January 2007 11:48

Daniel Lezcano
Messages: 417
Registered: June 2006

Senior Member

Herbert Poetzl wrote:
> On Fri, Jan 19, 2007 at 04:47:19PM +0100, dlezcano@fr.ibm.com wrote:
>> From: Daniel Lezcano <dlezcano@fr.ibm.com>
>>
>> New ioctl to "push" ifaddr to a container. Actually, the push is done
>> from the current namespace, so the right word is "pull". That will be
>> changed to move ifaddr from l2 network namespace to l3.
>>
>> Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
>>

[ ... ]

>> + * namespace to his l2 network namespace parent.
> 
> hmm, sounds like the address is moved between the
> namespaces? does that mean that the 'parent' will
> not see the 'isolated' ip anymore?

Yes, exact. If the IP address is visible into several namespaces (L2 
parent and L3 child), nothing ensures the two will not use the IP address.

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[Message index]

		[patch 00/12] net namespace : L3 namespace - introduction By: Daniel Lezcano on Fri, 19 January 2007 15:47
		[patch 01/12] net namespace : initialize init process to level 2 By: Daniel Lezcano on Fri, 19 January 2007 15:47
		[patch 02/12] net namespace : store L2 parent namespace By: Daniel Lezcano on Fri, 19 January 2007 15:47
		[patch 03/12] net namespace : share network ressources L2 with L3 By: Daniel Lezcano on Fri, 19 January 2007 15:47
		[patch 04/12] net namespace : isolate the inet device. By: Daniel Lezcano on Fri, 19 January 2007 15:47
		[patch 05/12] net namespace : ioctl to push ifa to net namespace l3 By: Daniel Lezcano on Fri, 19 January 2007 15:47
		Re: [patch 05/12] net namespace : ioctl to push ifa to net namespace l3 By: Herbert Poetzl on Sat, 20 January 2007 04:52
		Re: [patch 05/12] net namespace : ioctl to push ifa to net namespace l3 By: Daniel Lezcano on Sat, 20 January 2007 11:48
		[patch 06/12] net namespace : check bind address By: Daniel Lezcano on Fri, 19 January 2007 15:47
		[patch 07/12] net namespace: set source addresse By: Daniel Lezcano on Fri, 19 January 2007 15:47
		[patch 08/12] net namespace : find namespace by addr By: Daniel Lezcano on Fri, 19 January 2007 15:47
		Re: [patch 08/12] net namespace : find namespace by addr By: Herbert Poetzl on Sat, 20 January 2007 04:56
		[patch 09/12] net namespace : make loopback address always visible By: Daniel Lezcano on Fri, 19 January 2007 15:47
		[patch 10/12] net namespace : add the loopback isolation By: Daniel Lezcano on Fri, 19 January 2007 15:47
		[patch 11/12] net namespace : debugfs - add net_ns debugfs By: Daniel Lezcano on Fri, 19 January 2007 15:47
		[patch 12/12] net namespace : Add broadcasting By: Daniel Lezcano on Fri, 19 January 2007 15:47
		Re: [patch 12/12] net namespace : Add broadcasting By: Herbert Poetzl on Sat, 20 January 2007 04:58
		Re: [patch 12/12] net namespace : Add broadcasting By: Daniel Lezcano on Sat, 20 January 2007 11:54
		Re: [patch 00/12] net namespace : L3 namespace - introduction By: Herbert Poetzl on Sat, 20 January 2007 04:48
		Re: [patch 00/12] net namespace : L3 namespace - introduction By: Daniel Lezcano on Sat, 20 January 2007 11:42

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