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Date: Mon, 01 Oct 2007 20:42:40 +0900 (JST) From: YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@...ux-ipv6.org> To: linkfanel@...oo.fr Cc: netdev@...r.kernel.org, yoshfuji@...ux-ipv6.org Subject: Re: [RFC][IPv6] Export userland ND options through netlink (RDNSS support) Hello. In article <20070929174720.GA21678@....ecp.fr> (at Sat, 29 Sep 2007 19:47:20 +0200), Pierre Ynard <linkfanel@...oo.fr> says: > As discussed before, this patch provides userland with a way to access > relevant options in Router Advertisements, after they are processed and > validated by the kernel. Extra options are processed in a generic way; > this patch only exports RDNSS options described in RFC5006, but support > to control which options are exported could be easily added. I basically like this approach at first sight. > which implies that a userland daemon processing RDNSS options needs a > way to associate the option to the router that sent it, and fetch its > lifetime. This kind of information could be included in a header in the > rtnetlink message (in this version of the patch there is none). > diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h > index dff3192..f69d415 100644 > --- a/include/linux/rtnetlink.h > +++ b/include/linux/rtnetlink.h > @@ -97,6 +97,9 @@ enum { > RTM_SETNEIGHTBL, > #define RTM_SETNEIGHTBL RTM_SETNEIGHTBL > > + RTM_NEWNDUSEROPT = 68, > +#define RTM_NEWNDUSEROPT RTM_NEWNDUSEROPT > + > __RTM_MAX, Does this imply that we could extend (or reuse) this for all of NS/NA/RS/RA/Redirect messages? I think you need to include the code, type and basic semantics of the message. If this is only for RA, we should say "RTM_NEWRAUSEROPT" or something. Regards, --yoshfuji - 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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