On Wed, Sep 01, 2021 at 11:37:10PM +0200, Alexander Bluhm wrote:
> On Wed, Aug 18, 2021 at 04:28:13PM +0200, Alexander Bluhm wrote:
> > I want to create an enc1 interface for routing domain 1 and set
> > additional addresses on lo1. So my net config looks like this.
> >
> > ==> /etc/hostname.enc1 <==
> > rdomain 1
> >
> > ==> /etc/hostname.lo1 <==
> > rdomain 1
> > inet alias 10.188.10.74 255.255.255.255
> > ...
> >
> > /etc/netstart creates enc1 in routing domain 0, but does not place
> > it into rdomain 1 due to this error:
> > starting network
> > ifconfig: SIOCSIFRDOMAIN: Invalid argument
> >
> > With some additional debug output netstart does this:
> > { ifconfig enc1 || ifconfig enc1 create; }
> > { ifconfig lo0 || ifconfig lo0 create; }
> > { ifconfig lo1 || ifconfig lo1 create; }
> > { ifconfig enc1 || ifconfig enc1 create; }
> > ifconfig enc1 rdomain 1
> > ...
> > { ifconfig lo1 || ifconfig lo1 create; }
> > ifconfig lo1 rdomain 1
> > ifconfig lo1 inet alias 10.188.10.74 netmask 255.255.255.255
> >
> > ifconfig enc1 rdomain 1 fails as lo1 exists, but is still in routing
> > domain 0.
> >
> > To fix this, I think lo1, lo2, ... should not be created upfront.
> > Also more debug output for /etc/netstart -n is necessary to understand
> > what is going on.
>
> Debugging code has been added seperately. The following condition
> allows me to create enc1 in routing domain 1.
OK kn
> Index: etc/netstart
> ===================================================================
> RCS file: /data/mirror/openbsd/cvs/src/etc/netstart,v
> retrieving revision 1.215
> diff -u -p -r1.215 netstart
> --- etc/netstart 30 Aug 2021 16:58:52 -0000 1.215
> +++ etc/netstart 1 Sep 2021 15:52:56 -0000
> @@ -103,6 +103,9 @@ vifscreate() {
> [[ -f $_hn ]] || continue
> _if=${_hn#/etc/hostname.}
>
> + # loopback for routing domain is created by kernel
> + [[ -n "${_if##lo[1-9]*}" ]] || continue
No need for double quotes.
> if ! ifcreate $_if; then
> print -u2 "${0##*/}: create for '$_if' failed."
> fi
>
