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Date: Wed, 22 Oct 2014 14:13:42 +0200 From: Hannes Frederic Sowa <hannes@...essinduktion.org> To: Lorenzo Colitti <lorenzo@...gle.com> Cc: Erik Kline <ek@...gle.com>, netdev <netdev@...r.kernel.org>, Ben Hutchings <ben@...adent.org.uk> Subject: Re: [RFC PATCH v2 net-next] net: ipv6: Add a sysctl to make optimistic addresses useful candidates On Mi, 2014-10-22 at 20:50 +0900, Lorenzo Colitti wrote: > On Wed, Oct 22, 2014 at 8:36 PM, Hannes Frederic Sowa > <hannes@...essinduktion.org> wrote: > > In the near future we also must introduce specific DAD events needed for > > RFC7217 addresses (to count DAD progress and safe the information per > > prefix in user space). I would prefer to keep the logic for RTM_NEWADDR > > that the kernel will definitely allow the use of the address but > > RTM_NEWADDR should be handled idempotent by user space. > > Duplicate RTM_NEWADDR notifications aren't a problem though, right? > The current code send RTM_NEWADDR every time an RA increases the > lifetime of an address, so I think it's reasonable to assume that apps > have to be able to deal with it, because it's pretty frequent. I don't think it is a serious problem (or a problem at all). I would just try to reduce the number of notifications, that's all. Bye, Hannes -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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