netdev - Re: [PATCH net-next] bridge: allow setting hash_max + multicast

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Message-ID: <20150522031200.GA30043@gondor.apana.org.au>
Date:	Fri, 22 May 2015 11:12:00 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Linus Lüssing <linus.luessing@...3.blue>
Cc:	netdev@...r.kernel.org, bridge@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org,
	Stephen Hemminger <stephen@...workplumber.org>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH net-next] bridge: allow setting hash_max +
 multicast_router if interface is down

On Fri, May 22, 2015 at 02:56:01AM +0200, Linus Lüssing wrote:
> Network managers like netifd (used in OpenWRT for instance) try to
> configure interface options after creation but before setting the
> interface up.
> 
> Unfortunately the sysfs / bridge currently only allows to configure the
> hash_max and multicast_router options when the bridge interface is up.
> But since br_multicast_init() doesn't start any timers and only sets
> default values and initializes timers it should be save to reconfigure
> the default values after that, before things actually get active after
> the bridge is set up.
> 
> With this patch hash_max and multicast_router attributes can be
> changed even if the according bridge (port) is down, just like other
> other bridge (port) attributes allow too.
> 
> Signed-off-by: Linus Lüssing <linus.luessing@...3.blue>

Acked-by: Herbert Xu <herbert@...dor.apana.org.au>
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Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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