netdev - Re: [PATCH 1/2] net: igmp: Reduce Unsolicited report interval to 1s when using IGMPv3

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Date:	Mon, 29 Jul 2013 16:56:03 +0200
From:	Hannes Frederic Sowa <hannes@...essinduktion.org>
To:	William Manley <william.manley@...view.com>
Cc:	netdev@...r.kernel.org, bcrl@...ck.org, luky-37@...mail.com,
	sergei.shtylyov@...entembedded.com, bhutchings@...arflare.com,
	davem@...emloft.net
Subject: Re: [PATCH 1/2] net: igmp: Reduce Unsolicited report interval to 1s when using IGMPv3

On Mon, Jul 29, 2013 at 03:39:04PM +0100, William Manley wrote:
> I'll have a look, but I have to admit my ignorance on how multicast 
> works with IPv6 and I may have difficulty setting up a test environment.
> 
> It seems that IGMP has been replaced with "Multicast Listener Discovery" 
> on top of ICMPv6 and much like IGMP there is more than one version:
> 
> 1. RFC2710 - MLD - Unsolicited Report Interval = 10s
> 2. RFC3810 - MLDv2 - Unsolicited Report Interval = 1s

Correct.

> There also seems to be a /proc/sys/net/ipv6/conf/all/force_mld_version. 
>  Ok, so maybe it's not so difficult.  I'll see if I can come up with 
> some additional patches but I'd prefer to keep them separate from the 
> IPv4 ones which I hope are now good-to-go.

Of course, separate patches for ipv6 are favorable. The code is actually
pretty similar to IPv4. Let me know if you need help.

I'll review your IPv4 patches now.

Thanks,

  Hannes

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