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Detect old-style multicast routers and interoperate properly

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This commit is contained in:
Paul Traina 1994-10-31 06:36:47 +00:00
parent ffc3b24291
commit 6c4b8d672e
1 changed files with 8 additions and 1 deletions
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9
sys/netinet/igmp.c
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@ -35,7 +35,7 @@
* SUCH DAMAGE.
*
* @(#)igmp.c 8.1 (Berkeley) 7/19/93
* $Id: igmp.c,v 1.4 1994/09/06 22:42:16 wollman Exp $
* $Id: igmp.c,v 1.5 1994/09/14 03:10:07 wollman Exp $
*/
/*
@ -215,6 +215,13 @@ igmp_input(m, iphlen)
break;
if (igmp->igmp_code == 0) {
rti->type = IGMP_OLD_ROUTER; rti->time = 0;
/*
** Do exactly as RFC 1112 says
*/
if (ip->ip_dst.s_addr != igmp_all_hosts_group) {
++igmpstat.igps_rcv_badqueries;
m_freem(m);