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authorRyan Thomas McBride <mcbride@cvs.openbsd.org>2004-05-29 08:44:22 +0000
committerRyan Thomas McBride <mcbride@cvs.openbsd.org>2004-05-29 08:44:22 +0000
commit43ec40ef0541b5bc8549fdbb4efe69e8a9d33e74 (patch)
treed0ff5c0b4223dd8264127c44cecc5de8cf8f193e /sys
parent88dbd2de2fd9a83f7bfc41f63e33a4fcd52c8f26 (diff)
Remove multicast addresses and promiscuous mode when destroying the
carp interface.
Diffstat (limited to 'sys')
-rw-r--r--sys/netinet/ip_carp.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/sys/netinet/ip_carp.c b/sys/netinet/ip_carp.c
index 74056be2075..0dd658e6920 100644
--- a/sys/netinet/ip_carp.c
+++ b/sys/netinet/ip_carp.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ip_carp.c,v 1.55 2004/05/29 04:33:27 mcbride Exp $ */
+/* $OpenBSD: ip_carp.c,v 1.56 2004/05/29 08:44:21 mcbride Exp $ */
/*
* Copyright (c) 2002 Michael Shalayeff. All rights reserved.
@@ -654,6 +654,8 @@ carp_clone_destroy(struct ifnet *ifp)
{
struct carp_softc *sc = ifp->if_softc;
struct carp_if *cif;
+ struct ip_moptions *imo = &sc->sc_imo;
+ struct ip6_moptions *im6o = &sc->sc_im6o;
timeout_del(&sc->sc_ad_tmo);
timeout_del(&sc->sc_md_tmo);
@@ -662,7 +664,22 @@ carp_clone_destroy(struct ifnet *ifp)
if (sc->sc_ifp != NULL) {
cif = (struct carp_if *)sc->sc_ifp->if_carp;
TAILQ_REMOVE(&cif->vhif_vrs, sc, sc_list);
- if (!--cif->vhif_nvrs) {
+ if (cif->vhif_nvrs) {
+ ifpromisc(sc->sc_ifp, 0);
+
+ /* Clear IPv4 multicast */
+ in_delmulti(imo->imo_membership[--imo->imo_num_memberships]);
+ imo->imo_multicast_ifp = NULL;
+
+ /* Clear IPv6 multicast */
+ while (!LIST_EMPTY(&im6o->im6o_memberships)) {
+ struct in6_multi_mship *imm =
+ LIST_FIRST(&im6o->im6o_memberships);
+
+ LIST_REMOVE(imm, i6mm_chain);
+ in6_leavegroup(imm);
+ }
+
sc->sc_ifp->if_carp = NULL;
FREE(cif, M_IFADDR);
}