netdev - Re: [PATCH net-next v3 2/2] ipv4: implement igmp_qrv sysctl to tune igmp robustness variable

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Date:	Thu, 04 Sep 2014 22:26:42 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	hannes@...essinduktion.org
Cc:	netdev@...r.kernel.org, fbl@...hat.com
Subject: Re: [PATCH net-next v3 2/2] ipv4: implement igmp_qrv sysctl to
 tune igmp robustness variable

From: Hannes Frederic Sowa <hannes@...essinduktion.org>
Date: Tue,  2 Sep 2014 15:49:26 +0200

> As in IPv6 people might increase the igmp query robustness variable to
> make sure unsolicited state change reports aren't lost on the network. Add
> and document this new knob to igmp code.
> 
> RFCs allow tuning this parameter back to first IGMP RFC, so we also use
> this setting for all counters, including source specific multicast.
> 
> Also take over sysctl value when upping the interface and don't reuse
> the last one seen on the interface.
> 
> Cc: Flavio Leitner <fbl@...hat.com>
> Signed-off-by: Hannes Frederic Sowa <hannes@...essinduktion.org>

Applied.
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