netdev - Re: [patch net-next v3 08/17] bridge: call netdev_sw_port_stp_update when bridge port STP status changes

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Date:	Tue, 25 Nov 2014 22:18:45 +0000
From:	Thomas Graf <tgraf@...g.ch>
To:	Jiri Pirko <jiri@...nulli.us>
Cc:	Andy Gospodarek <gospo@...ulusnetworks.com>,
	netdev@...r.kernel.org, davem@...emloft.net, nhorman@...driver.com,
	andy@...yhouse.net, dborkman@...hat.com, ogerlitz@...lanox.com,
	jesse@...ira.com, pshelar@...ira.com, azhou@...ira.com,
	ben@...adent.org.uk, stephen@...workplumber.org,
	jeffrey.t.kirsher@...el.com, vyasevic@...hat.com,
	xiyou.wangcong@...il.com, john.r.fastabend@...el.com,
	edumazet@...gle.com, jhs@...atatu.com, sfeldma@...il.com,
	f.fainelli@...il.com, roopa@...ulusnetworks.com,
	linville@...driver.com, jasowang@...hat.com, ebiederm@...ssion.com,
	nicolas.dichtel@...nd.com, ryazanov.s.a@...il.com,
	buytenh@...tstofly.org, aviadr@...lanox.com, nbd@...nwrt.org,
	alexei.starovoitov@...il.com, Neil.Jerram@...aswitch.com,
	ronye@...lanox.com, simon.horman@...ronome.com,
	alexander.h.duyck@...hat.com, john.ronciak@...el.com,
	mleitner@...hat.com, shrijeet@...il.com, bcrl@...ck.org
Subject: Re: [patch net-next v3 08/17] bridge: call netdev_sw_port_stp_update
 when bridge port STP status changes

On 11/25/14 at 05:53pm, Jiri Pirko wrote:
> Tue, Nov 25, 2014 at 04:58:32PM CET, gospo@...ulusnetworks.com wrote:
> >I do not expect that this first set would provide full feedback to
> >br_make_forwarding, br_make_blocking, etc, to allow spanning tree to
> >properly deal with the failure (that change is fine to add later), but a
> >short one-liner indicating that the call to the hardware  failed would e
> >good.  What about something simple like this:
> >
> >void br_set_state(struct net_bridge_port *p, unsigned int state)
> >{
> >	int ret;
> >	p->state = state;
> >	ret = netdev_switch_port_stp_update(p->dev, state);
> >	if (ret && ret != -EOPNOTSUPP)
> >		br_warn(br, "error setting offload STP state for interface %s\n",
> >			p->dev->name);
> >}
> 
> That makes sense. Will add this.

Feel free to add:
Acked-by: Thomas Graf <tgraf@...g.ch>
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