[src/trunk]: src/sys/netinet IFF_POINTTOPOINT interfaces can also transmit pa...

[thorpej <thorpej%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/9b03d91852ec
branches:  trunk
changeset: 521885:9b03d91852ec
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Thu Feb 07 21:47:45 2002 +0000

description:
IFF_POINTTOPOINT interfaces can also transmit packets to broadcast
destinations.

diffstat:

 sys/netinet/ip_output.c |  9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diffs (34 lines):

diff -r 9a2cdfd9490a -r 9b03d91852ec sys/netinet/ip_output.c
--- a/sys/netinet/ip_output.c   Thu Feb 07 21:36:54 2002 +0000
+++ b/sys/netinet/ip_output.c   Thu Feb 07 21:47:45 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ip_output.c,v 1.94 2002/02/06 18:00:01 thorpej Exp $   */
+/*     $NetBSD: ip_output.c,v 1.95 2002/02/07 21:47:45 thorpej Exp $   */
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -102,7 +102,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ip_output.c,v 1.94 2002/02/06 18:00:01 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ip_output.c,v 1.95 2002/02/07 21:47:45 thorpej Exp $");
 
 #include "opt_pfil_hooks.h"
 #include "opt_ipsec.h"
@@ -303,12 +303,13 @@
                } else
                        ip->ip_ttl = IP_DEFAULT_MULTICAST_TTL;
                /*
-                * Confirm that the outgoing interface supports multicast.
+                * If the packet is multicast or broadcast, confirm that
+                * the outgoing interface can transmit it.
                 */
                if (((m->m_flags & M_MCAST) &&
                     (ifp->if_flags & IFF_MULTICAST) == 0) ||
                    ((m->m_flags & M_BCAST) && 
-                    (ifp->if_flags & IFF_BROADCAST) == 0))  {
+                    (ifp->if_flags & (IFF_BROADCAST|IFF_POINTOPOINT)) == 0))  {
                        ipstat.ips_noroute++;
                        error = ENETUNREACH;
                        goto bad;