On 2014/04/28 19:09, Martin Pieuchot wrote:
> On 28/04/14(Mon) 17:53, Stuart Henderson wrote:
> > On 2014/04/28 18:39, Martin Pieuchot wrote:
> > > On 28/04/14(Mon) 17:32, Stuart Henderson wrote:
> > > > On 2014/04/28 17:15, Stuart Henderson wrote:
> > > > > This breaks my setup,
> > > > > 
> > > > > # /sbin/route add -inet6 default -ifp pppoe1 fe80::
> > > > > route: writing to routing socket: Network is unreachable
> > > > > add net default: gateway fe80::: Network is unreachable
> > > > > 
> > > > 
> > > > hmmm... actually it seems something that was committed broke this;
> > > > any suggestions of likely candidates?
> > > 
> > > Concerning routing & inet6 that might be the rt_ifa_add_loop() committed
> > > on the 3rd of April, but you tested and ok'd it or the rtinit() ->
> > > rt_ifa_add() conversion committed the 10th of April.
> > 
> > Window narrowed to between these:
> > 
> >         OpenBSD 5.5-current (GENERIC.MP) #61: Tue Apr  8 17:28:01 MDT 2014
> >         OpenBSD 5.5-current (GENERIC.MP) #63: Thu Apr 10 20:45:05 MDT 2014
> > 
> > Could it be in6.c 1.135? (I need to stop breaking my net for a bit to
> > get some other things done..)
> 
> I doubt it will be this one since it's just removing a wrapper, but I
> don't see anything else in this timeframe.
> 

This is the one that breaks it, I can't just pull this diff out
though, other things are stacked on top.

---------------------
PatchSet 3605 
Date: 2014/04/10 14:55:55
Author: mpi
Branch: HEAD
Tag: (none) 
Log:
Don't use ifa_ifwithnet() with obvious sockaddr_dl argument.  This
function should not deal with link-layer addresses and here there's
no reason to do it.

ok mikeb@

Members: 
        route.c:1.159->1.160 

Index: src/sys/net/route.c
diff -u src/sys/net/route.c:1.159 src/sys/net/route.c:1.160
--- src/sys/net/route.c:1.159   Thu Apr 10 13:47:21 2014
+++ src/sys/net/route.c Thu Apr 10 13:55:55 2014
@@ -1,4 +1,4 @@
-/*     $OpenBSD: route.c,v 1.159 2014/04/10 13:47:21 mpi Exp $ */
+/*     $OpenBSD: route.c,v 1.160 2014/04/10 13:55:55 mpi Exp $ */
 /*     $NetBSD: route.c,v 1.14 1996/02/13 22:00:46 christos Exp $      */
 
 /*
@@ -683,11 +683,12 @@
         * ifp may be specified by sockaddr_dl when protocol address
         * is ambiguous
         */
-       if (info->rti_ifp == NULL && info->rti_info[RTAX_IFP] != NULL
-           && info->rti_info[RTAX_IFP]->sa_family == AF_LINK &&
-           (ifa = ifa_ifwithnet((struct sockaddr *)info->rti_info[RTAX_IFP],
-           rtid)) != NULL)
-               info->rti_ifp = ifa->ifa_ifp;
+       if (info->rti_ifp == NULL && info->rti_info[RTAX_IFP] != NULL) {
+               struct sockaddr_dl *sdl;
+
+               sdl = (struct sockaddr_dl *)info->rti_info[RTAX_IFP];
+               info->rti_ifp = if_get(sdl->sdl_index);
+       }
 
        if (info->rti_ifa == NULL && info->rti_info[RTAX_IFA] != NULL)
                info->rti_ifa = ifa_ifwithaddr(info->rti_info[RTAX_IFA], rtid);

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