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Add support for the noifprefix keyword which stops rtadvd(8) gathing prefix 

information from the interface if no addrs are present in rtadvd.conf(5).
This commit is contained in:
roy 2012-12-11 16:37:23 +00:00
parent 76c350d10d
commit 7175086342
2 changed files with 22 additions and 5 deletions
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4
usr.sbin/rtadvd/config.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: config.c,v 1.28 2012/08/08 04:05:26 msaitoh Exp $ */
/* $NetBSD: config.c,v 1.29 2012/12/11 16:37:23 roy Exp $ */
/* $KAME: config.c,v 1.93 2005/10/17 14:40:02 suz Exp $ */
/*
@ -396,7 +396,7 @@ getconfig(const char *intface)
now.tv_sec + pfx->preflifetime;
}
}
if (TAILQ_FIRST(&tmp->prefix) == NULL)
if (TAILQ_FIRST(&tmp->prefix) == NULL && !agetflag("noifprefix"))
get_prefix(tmp);
MAYHAVE(val64, "mtu", 0);

23
usr.sbin/rtadvd/rtadvd.conf.5
View File

@ -1,4 +1,4 @@
.\" $NetBSD: rtadvd.conf.5,v 1.17 2012/04/21 12:27:30 roy Exp $
.\" $NetBSD: rtadvd.conf.5,v 1.18 2012/12/11 16:37:23 roy Exp $
.\" $KAME: rtadvd.conf.5,v 1.50 2005/01/14 05:30:59 jinmei Exp $
.\"
.\" Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@ -28,7 +28,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.Dd April 5, 2012
.Dd December 11, 2012
.Dt RTADVD.CONF 5
.Os
.Sh NAME
@ -175,13 +175,30 @@ which will be attached to router advertisement header.
These items can be omitted, then
.Nm rtadvd
will automatically get appropriate prefixes from the kernel's routing table,
and advertise the prefixes with the default parameters.
and advertise the prefixes with the default parameters, unless the
.Cm noifprefix
flag is specified.
Keywords other than
.Cm clockskew
and
.Cm noifprefix
can be augmented with a number, like
.Dq Li prefix2 ,
to specify multiple prefixes.
.Bl -tag -width indent
.It Cm \&noifprefix
(bool) Specified whether
.Nm rtadvd
should gather prefix information from the interface if no
.Cm addr
is specified.
If no
.Cm addr
is given, and
.Cm noifprefix
is set,
.Nm rtadvd
will send RA packets with no prefix information.
.It Cm \&clockskew
(num) Time skew to adjust link propagation delays and clock skews
between routers on the link