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 b422090..211b954 100644 (file)
--- 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;