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authorArtur Grabowski <art@cvs.openbsd.org>2000-04-13 19:22:58 +0000
committerArtur Grabowski <art@cvs.openbsd.org>2000-04-13 19:22:58 +0000
commitfc4b41339fbe48c8df1836dc44888b911ade3d98 (patch)
tree14f3e686aaf09c28cbf8cca5d68abde765d20b06 /sys
parentdf841572616d52cc3c84d0e50b3299e2636dd432 (diff)
When fragmenting a packet, inherit the multicast and broadcast flags so that
the link layer can choose the right address.
Diffstat (limited to 'sys')
-rw-r--r--sys/netinet/ip_output.c4
1 files changed, 3 insertions, 1 deletions
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;