netdev - Re: [patch net-next] switchdev: call bridge setlink/dellink ndos recursively

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Date:	Tue, 17 Mar 2015 08:05:39 +0100
From:	Jiri Pirko <jiri@...nulli.us>
To:	John Fastabend <john.fastabend@...il.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net, sfeldma@...il.com,
	roopa@...ulusnetworks.com
Subject: Re: [patch net-next] switchdev: call bridge setlink/dellink ndos
 recursively

Mon, Mar 16, 2015 at 11:08:32PM CET, john.fastabend@...il.com wrote:
>On 03/16/2015 07:22 AM, Jiri Pirko wrote:
>>There has been a discussion about if it's better to let masters to
>>propagate call down themself or if its better just blindly go down and
>>try to call ndo on every lower netdev. Turned out that more people (me
>>not included) like the second option better.
>>
>>This patch changes bridge setlink/dellink in that direction.
>>Sorry Roopa for forcing you to do it the way I liked initially.
>>
>>Signed-off-by: Jiri Pirko <jiri@...nulli.us>
>
>Hi Jiri,
>
>I'm going to ask the dumb question here because it wasn't clear from
>the emails I could dredge up.
>
>Why do you want to do this? Can you add it to the commit message so

I don't want to do this. It just look like there has been a consensus
that most of the people want this.

>in the future it is clear. Specifically what does it mean to propagate
>these calls down? Can you give a stacked example?

Example of propagation of ndo call through stacked devices:

dev->ops->ndo_bridge_setlink (team_ndo_bridge_setlink)
		-> for_each_team_port(port_dev)
			-> port_dev->ops->ndo_bridge_setlink(rocker_ndo_bridge_setlink)





>
>Thanks,
>John
>
>-- 
>John Fastabend         Intel Corporation
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