netdev - Re: [PATCH net-next] bonding: send arp requests even if there's no route to them

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Message-ID: <20140228114056.GB11907@redhat.com>
Date:	Fri, 28 Feb 2014 12:40:57 +0100
From:	Veaceslav Falico <vfalico@...hat.com>
To:	Joe Perches <joe@...ches.com>
Cc:	netdev@...r.kernel.org,
	François CACHEREUL <f.cachereul@...halink.fr>,
	Zhenjie Chen <zhchen@...hat.com>,
	Jay Vosburgh <fubar@...ibm.com>,
	Andy Gospodarek <andy@...yhouse.net>
Subject: Re: [PATCH net-next] bonding: send arp requests even if there's no
 route to them

On Fri, Feb 28, 2014 at 03:38:19AM -0800, Joe Perches wrote:
>On Fri, 2014-02-28 at 12:28 +0100, Veaceslav Falico wrote:
>> On Fri, Feb 28, 2014 at 03:12:51AM -0800, Joe Perches wrote:
>> >On Fri, 2014-02-28 at 11:57 +0100, Veaceslav Falico wrote:
>> ...snip...
>> >> +			if (bond->params.arp_validate)
>> >> +				pr_warn("%s: no route to arp_ip_target %pI4 and arp_validate is set\n",
>> >> +					bond->dev->name, &targets[i]);
>> >
>> >Maybe
>> >
>> >			if (bond->params.arp_validate && net_ratelimit())
>>
>> Hm, not that I'm against it - but bond_arp_send_all() is called every
>> arp_interval - which is usually >50ms. Does it really make sense to put it
>> here?
>
>Dunno, but you're converting a generally not emitted pr_debug
>(DEBUG isn't set, so it'd have to be enabled by dynamic_debug)
>to something that'll always print out a line for each of up to
>16 targets, so it seems it could be pretty noisy.

Yeah, completely agree (I've missed that there might be 16 targets).

Thanks a lot, will resend.

>
>
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