bsd/netinet6/mld6.c

217  *  will not accept an ifp; it wants an embedded scope ID, unlike
218  *  ip_output(), which happily takes the ifp given to it. The embedded
357 	struct ifnet		*ifp;
380 	ifp = ifindex2ifnet[name[0]];
382 	if (ifp == NULL)
389 		if (ifp != mli->mli_ifp) {
480 mld_domifattach(struct ifnet *ifp, int how)
484 	MLD_PRINTF(("%s: called for ifp %p(%s%d)\n",
485 	    __func__, ifp, ifp->if_name, ifp->if_unit));
494 	mli_initvar(mli, ifp, 0);
499 	ifnet_lock_shared(ifp);
500 	mld6_initsilent(ifp, mli);
501 	ifnet_lock_done(ifp);
507 	MLD_PRINTF(("allocate mld_ifinfo for ifp %p(%s%d)\n",
508 	     ifp, ifp->if_name, ifp->if_unit));
520 	struct ifnet *ifp;
526 	ifp = mli->mli_ifp;
527 	VERIFY(ifp != NULL);
528 	mli_initvar(mli, ifp, 1);
532 	ifnet_lock_shared(ifp);
533 	mld6_initsilent(ifp, mli);
534 	ifnet_lock_done(ifp);
540 	MLD_PRINTF(("reattached mld_ifinfo for ifp %p(%s%d)\n",
541 	     ifp, ifp->if_name, ifp->if_unit));
548 mld_domifdetach(struct ifnet *ifp)
554 	MLD_PRINTF(("%s: called for ifp %p(%s%d)\n",
555 	    __func__, ifp, ifp->if_name, ifp->if_unit));
558 	mli_delete(ifp, (struct mld_in6m_relhead *)&in6m_dthead);
572 mli_delete(const struct ifnet *ifp, struct mld_in6m_relhead *in6m_dthead)
580 		if (mli->mli_ifp == ifp) {
597 	panic("%s: mld_ifinfo not found for ifp %p\n", __func__,  ifp);
601 mld6_initsilent(struct ifnet *ifp, struct mld_ifinfo *mli)
603 	ifnet_lock_assert(ifp, IFNET_LCK_ASSERT_OWNED);
607 	if (!(ifp->if_flags & IFF_MULTICAST) &&
608 	    (ifp->if_eflags & (IFEF_IPV6_ND6ALT|IFEF_LOCALNET_PRIVATE)))
616 mli_initvar(struct mld_ifinfo *mli, struct ifnet *ifp, int reattach)
620 	mli->mli_ifp = ifp;
662 		panic("%s: ifp not NULL for mli=%p", __func__, mli);
698 	struct ifnet *ifp;
713 	ifp = mli->mli_ifp;
725 	MLD_PRINTF(("%s: freeing mld_ifinfo for ifp %p(%s%d)\n",
726 	    __func__, ifp, ifp->if_name, ifp->if_unit));
739 mld_v1_input_query(struct ifnet *ifp, const struct ip6_hdr *ip6,
750 		MLD_PRINTF(("ignore v1 query %s on ifp %p(%s%d)\n",
752 		    ifp, ifp->if_name, ifp->if_unit));
761 		MLD_PRINTF(("ignore v1 query src %s on ifp %p(%s%d)\n",
763 		    ifp, ifp->if_name, ifp->if_unit));
788 		in6_setscope(&mld->mld_addr, ifp, NULL);
794 	mli = MLD_IFINFO(ifp);
808 		MLD_PRINTF(("process v1 general query on ifp %p(%s%d)\n",
809 		    ifp, ifp->if_name, ifp->if_unit));
818 			if (inm->in6m_ifp == ifp)
831 		IN6_LOOKUP_MULTI(&mld->mld_addr, ifp, inm);
836 			MLD_PRINTF(("process v1 query %s on ifp %p(%s%d)\n",
838 			    ifp, ifp->if_name, ifp->if_unit));
914 mld_v2_input_query(struct ifnet *ifp, const struct ip6_hdr *ip6,
932 		MLD_PRINTF(("ignore v1 query src %s on ifp %p(%s%d)\n",
934 		    ifp, ifp->if_name, ifp->if_unit));
938 	MLD_PRINTF(("input v2 query on ifp %p(%s%d)\n", ifp, ifp->if_name,
939 	    ifp->if_unit));
996 		in6_setscope(&mld->mld_addr, ifp, NULL);
999 	mli = MLD_IFINFO(ifp);
1025 		 * Schedule a current-state report on this ifp for
1033 		MLD_PRINTF(("process v2 general query on ifp %p(%s%d)\n",
1034 		    ifp, ifp->if_name, ifp->if_unit));
1051 		IN6_LOOKUP_MULTI(&mld->mld_addr, ifp, inm);
1070 		MLD_PRINTF(("process v2 group query on ifp %p(%s%d)\n",
1071 		     ifp, ifp->if_name, ifp->if_unit));
1215 mld_v1_input_report(struct ifnet *ifp, const struct ip6_hdr *ip6,
1223 		MLD_PRINTF(("ignore v1 report %s on ifp %p(%s%d)\n",
1225 		    ifp, ifp->if_name, ifp->if_unit));
1229 	if (ifp->if_flags & IFF_LOOPBACK)
1239 		MLD_PRINTF(("ignore v1 query src %s on ifp %p(%s%d)\n",
1241 		    ifp, ifp->if_name, ifp->if_unit));
1253 		MLD_PRINTF(("ignore v1 query dst %s on ifp %p(%s%d)\n",
1255 		    ifp, ifp->if_name, ifp->if_unit));
1269 	ia = in6ifa_ifpforlinklocal(ifp, IN6_IFF_NOTREADY|IN6_IFF_ANYCAST);
1283 	MLD_PRINTF(("process v1 report %s on ifp %p(%s%d)\n",
1284 	    ip6_sprintf(&mld->mld_addr), ifp, ifp->if_name, ifp->if_unit));
1291 		in6_setscope(&mld->mld_addr, ifp, NULL);
1300 	IN6_LOOKUP_MULTI(&mld->mld_addr, ifp, inm);
1333 			MLD_PRINTF(("report suppressed for %s on ifp %p(%s%d)\n",
1335 			    ifp, ifp->if_name, ifp->if_unit));
1369 	struct ifnet	*ifp;
1376 	ifp = m->m_pkthdr.rcvif;
1400 		icmp6_ifstat_inc(ifp, ifs6_in_mldquery);
1402 			if (mld_v1_input_query(ifp, ip6, mld) != 0)
1405 			if (mld_v2_input_query(ifp, ip6, m, off,
1411 		icmp6_ifstat_inc(ifp, ifs6_in_mldreport);
1412 		if (mld_v1_input_report(ifp, ip6, mld) != 0)
1416 		icmp6_ifstat_inc(ifp, ifs6_in_mldreport);
1419 		icmp6_ifstat_inc(ifp, ifs6_in_mlddone);
1438 	struct ifnet		*ifp;
1510 		ifp = mli->mli_ifp;
1518 			if (inm->in6m_ifp != ifp)
1810 	MLD_PRINTF(("%s: switching to v%d on ifp %p(%s%d)\n", __func__,
1839 	struct ifnet		*ifp;
1845 	MLD_PRINTF(("%s: cancel v2 timers on ifp %p(%s%d)\n", __func__,
1858 	ifp = mli->mli_ifp;
1865 		if (inm->in6m_ifp != ifp)
1941 	struct ifnet		*ifp;
1951 	ifp = in6m->in6m_ifp;
1953 	ia = in6ifa_ifpforlinklocal(ifp, IN6_IFF_NOTREADY|IN6_IFF_ANYCAST);
2051 	struct ifnet *ifp;
2063 	ifp = inm->in6m_ifma->ifma_ifp;
2065 	 * Sanity check that netinet6's notion of ifp is the same as net's.
2067 	VERIFY(inm->in6m_ifp == ifp);
2069 	mli = MLD_IFINFO(ifp);
2115 	struct ifnet		*ifp;
2123 	MLD_PRINTF(("%s: initial join %s on ifp %p(%s%d)\n",
2130 	ifp = inm->in6m_ifp;
2133 	VERIFY(mli->mli_ifp == ifp);
2144 	if ((ifp->if_flags & IFF_LOOPBACK) ||
2257 		    inm->in6m_ifp->if_name, ifp->if_unit));
2269 	struct ifnet		*ifp;
2275 	MLD_PRINTF(("%s: state change for %s on ifp %p(%s%d)\n",
2279 	ifp = inm->in6m_ifp;
2282 	VERIFY(mli->mli_ifp == ifp);
2284 	if ((ifp->if_flags & IFF_LOOPBACK) ||
2338 	MLD_PRINTF(("%s: final leave %s on ifp %p(%s%d)\n",
2469 	struct ifnet		*ifp;
2483 	ifp = inm->in6m_ifp;
2609 	     (ifp->if_mtu - MLD_MTUSPACE)) {
2610 		m0srcs = (ifp->if_mtu - m0->m_pkthdr.len -
2621 		m0srcs = (ifp->if_mtu - MLD_MTUSPACE -
2727 		m->m_pkthdr.rcvif = ifp;
2766 		m0srcs = (ifp->if_mtu - MLD_MTUSPACE -
2802 		m->m_pkthdr.rcvif = ifp;
2847 	struct ifnet		*ifp;
2863 	ifp = inm->in6m_ifp;			/* interface */
2891 			     (ifp->if_mtu - MLD_MTUSPACE)) {
2893 				m0srcs = (ifp->if_mtu - m0->m_pkthdr.len -
2908 				m0srcs = (ifp->if_mtu - MLD_MTUSPACE -
3027 			m->m_pkthdr.rcvif = ifp;
3158 	struct ifnet		*ifp;
3167 	ifp = mli->mli_ifp;
3174 		if (inm->in6m_ifp != ifp)
3228 	struct ifnet		*ifp;
3243 	ifp = m->m_pkthdr.rcvif;
3244 	if (ifp == NULL || !ifnet_is_attached(ifp, 0)) {
3264 	im6o->im6o_multicast_ifp = ifp;
3269 		m0 = mld_v2_encap_report(ifp, m);
3286 	(void) in6_setscope(&ip6->ip6_dst, ifp, NULL);	/* XXX LOR */
3293 	MLD_EMBEDSCOPE(&ip6->ip6_dst, ifp->if_index);
3304 	if (ifp->if_eflags & IFEF_TXSTART) {
3349 mld_v2_encap_report(struct ifnet *ifp, struct mbuf *m)
3362 	ia = in6ifa_ifpforlinklocal(ifp, IN6_IFF_NOTREADY|IN6_IFF_ANYCAST);