bsd/netinet/in_mcast.c

261  * Inline function which wraps assertions for a valid ifp.
340 imo_match_group(const struct ip_moptions *imo, const struct ifnet *ifp,
362 		if ((ifp == NULL || (pinm->inm_ifp == ifp)) &&
416 imo_multi_filter(const struct ip_moptions *imo, const struct ifnet *ifp,
424 	VERIFY(ifp != NULL);
426 	gidx = imo_match_group(imo, ifp, group);
532  * Find and return a reference to an in_multi record for (ifp, group),
535  * filters on ifp to listen for group.
539 in_getmulti(struct ifnet *ifp, const struct in_addr *group,
548 	IN_LOOKUP_MULTI(group, ifp, inm);
574 	error = if_addmulti(ifp, (struct sockaddr *)&gsin, &ifma);
590 		VERIFY(inm->inm_ifp == ifp);
640 	inm->inm_ifp = ifp;
641 	inm->inm_igi = IGMP_IFINFO(ifp);
1268 in_joingroup(struct ifnet *ifp, const struct in_addr *gina,
1276 	    inet_ntoa(*gina), ifp, ifp->if_name, ifp->if_unit));
1289 	error = in_getmulti(ifp, gina, &inm);
1396 in_addmulti(struct in_addr *ap, struct ifnet *ifp)
1404 	error = in_joingroup(ifp, ap, NULL, &pinm);
1435 	struct ifnet			*ifp;
1445 	ifp = NULL;
1473 			ifp = ip_multicast_if(&mreqs.imr_interface, &ifindex);
1478 		IGMP_PRINTF(("%s: imr_interface = %s, ifp = %p\n",
1479 		    __func__, inet_ntoa(mreqs.imr_interface), ifp));
1506 		ifp = ifindex2ifnet[gsr.gsr_interface];
1509 		if (ifp == NULL)
1534 	idx = imo_match_group(imo, ifp, &gsa->sa);
1686 	struct ifnet		*ifp;
1725 	ifp = ifindex2ifnet[msfr.msfr_ifindex];
1728 	if (ifp == NULL)
1743 	idx = imo_match_group(imo, ifp, &gsa->sa);
1846 	struct ifnet		*ifp;
1881 			ifp = imo->imo_multicast_ifp;
1884 			} else if (ifp != NULL) {
1885 				mreqn.imr_ifindex = ifp->if_index;
1886 				IFP_TO_IA(ifp, ia);
1981  * Returns NULL if no ifp could be found.
1988 	struct ifnet	*ifp;
1994 	ifp = NULL;
1998 		ifp = ip_multicast_if(&new_ina, &ifindex);
2010 			ifp = ro.ro_rt->rt_ifp;
2011 			VERIFY(ifp != NULL);
2025 					ifp = mifp;
2033 	return (ifp);
2049 	struct ifnet			*ifp;
2057 	ifp = NULL;
2108 		ifp = inp_lookup_mcast_ifp(inp, &gsa->sin,
2110 		IGMP_PRINTF(("%s: imr_interface = %s, ifp = %p\n",
2111 		    __func__, inet_ntoa(mreqs.imr_interface), ifp));
2154 		ifp = ifindex2ifnet[gsr.gsr_interface];
2166 	if (ifp == NULL || (ifp->if_flags & IFF_MULTICAST) == 0)
2174 	idx = imo_match_group(imo, ifp, &gsa->sa);
2293 		error = in_joingroup(ifp, &gsa->sin.sin_addr, imf, &inm);
2354 	struct ifnet			*ifp;
2363 	ifp = NULL;
2405 		 * Attempt to look up hinted ifp from interface address.
2406 		 * Fallthrough with null ifp iff lookup fails, to
2412 			ifp = ip_multicast_if(&mreqs.imr_interface, &ifindex);
2414 		IGMP_PRINTF(("%s: imr_interface = %s, ifp = %p\n",
2415 		    __func__, inet_ntoa(mreqs.imr_interface), ifp));
2450 		ifp = ifindex2ifnet[gsr.gsr_interface];
2472 	idx = imo_match_group(imo, ifp, &gsa->sa);
2586 	struct ifnet		*ifp;
2608 			ifp = NULL;
2610 			ifp = ifindex2ifnet[mreqn.imr_ifindex];
2611 			if (ifp == NULL) {
2627 			ifp = NULL;
2629 			ifp = ip_multicast_if(&addr, &ifindex);
2630 			if (ifp == NULL) {
2631 				IGMP_PRINTF(("%s: can't find ifp for addr=%s\n",
2637 		IGMP_PRINTF(("%s: ifp = %p, addr = %s\n", __func__, ifp,
2643 	if (ifp != NULL && (ifp->if_flags & IFF_MULTICAST) == 0)
2651 	imo->imo_multicast_ifp = ifp;
2671 	struct ifnet		*ifp;
2724 	ifp = ifindex2ifnet[msfr.msfr_ifindex];
2726 	if (ifp == NULL)
2737 	idx = imo_match_group(imo, ifp, &gsa->sa);
2877 	struct ifnet		*ifp;
2960 		ifp = ifindex2ifnet[ifindex];
2964 		if (ifp == NULL || !(ifp->if_flags & IFF_MULTICAST)) {
2970 		imo->imo_multicast_ifp = ifp;
3103 	struct ifnet			*ifp;
3138 	ifp = ifindex2ifnet[ifindex];
3140 	if (ifp == NULL) {
3141 		IGMP_PRINTF(("%s: no ifp for ifindex %u\n", __func__, ifindex));
3149 		if (inm->inm_ifp != ifp)
3204 	struct ifnet *ifp;
3216 		ifp = ifindex2ifnet[ifindex];
3218 		if (ifp != NULL && ifindexp != NULL)
3221 		INADDR_TO_IFP(*a, ifp);
3223 	return (ifp);
3631 	printf("addr %s ifp %p(%s%d) ifma %p\n",