From: art <art@openbsd.org>
Date: Thu, 13 Apr 2000 19:22:57 +0000 (+0000)
Subject: When fragmenting a packet, inherit the multicast and broadcast flags so that
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=e0dcbbef8815a46b1a90a5065fa441e14be4e9f9;p=openbsd

When fragmenting a packet, inherit the multicast and broadcast flags so that
the link layer can choose the right address.
---

diff --git a/sys/netinet/ip_output.c b/sys/netinet/ip_output.c
index b422090adf0..211b954f364 100644
--- a/sys/netinet/ip_output.c
+++ b/sys/netinet/ip_output.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ip_output.c,v 1.66 2000/03/30 04:53:36 angelos Exp $	*/
+/*	$OpenBSD: ip_output.c,v 1.67 2000/04/13 19:22:57 art Exp $	*/
 /*	$NetBSD: ip_output.c,v 1.28 1996/02/13 23:43:07 christos Exp $	*/
 
 /*
@@ -756,6 +756,8 @@ no_encap:
 		m->m_data += max_linkhdr;
 		mhip = mtod(m, struct ip *);
 		*mhip = *ip;
+		/* we must inherit MCAST and BCAST flags */
+		m->m_flags |= m0->m_flags & (M_MCAST|M_BCAST);
 		if (hlen > sizeof (struct ip)) {
 			mhlen = ip_optcopy(ip, mhip) + sizeof (struct ip);
 			mhip->ip_hl = mhlen >> 2;