Date: Wed, 15 Jan 2014 13:15:09 +0400 From: "Alexander V. Chernikov" <melifaro@FreeBSD.org> To: Roy Marples <roy@marples.name>, freebsd-net@freebsd.org Subject: Re: IPv6: report address flag changes to userland Message-ID: <52D6519D.2050400@FreeBSD.org> In-Reply-To: <b9c07882a45edb3ad04b9f9ad092b268@mail.marples.name> References: <b9c07882a45edb3ad04b9f9ad092b268@mail.marples.name>
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On 13.01.2014 19:36, Roy Marples wrote: > Hi List Hello! > > There is zero point as I see it in announcing newly added tentative > addresses to userland. > It's not as if userland can actually use the address at this point. > However, there is immense benefit in announcing address flag changes, > such as removal of tentative, or addition of the other flags. This looks very reasonable. > > The main benefit for this patch is so that dhcpcd(8) listen for when > the kernel has completed DAD and has announced the result. > dhcpcd can then react immediately instead of having to wait for the > full time as dictated by the RFC. This can also help when doing IPv6 netmap forwarding to sync kernel and userland records. > > The attached patch addresses the above and was cut from FreeBSD-9 - > there is a small adjustment needed for -current which is noted in the > patch. > The patch is based on the work I did in NetBSD a few months ago > documented here: > http://netbsd.2816.n7.nabble.com/PATCH-to-only-announce-RTM-NEWADDR-once-IPv6-DAD-completes-tp281110.html > > > Comments? I'll do some tests and merge it. > > Roy > > > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
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