Cross Reference: /net/ipv6/mcast.c

Lines Matching defs:mc
609 	struct ipv6_mc_socklist *mc;
614 	for_each_pmc_rcu(np, mc) {
615 		if (ipv6_addr_equal(&mc->addr, mc_addr))
618 	if (!mc) {
622 	read_lock(&mc->sflock);
623 	psl = mc->sflist;
625 		rv = mc->sfmode == MCAST_EXCLUDE;
633 		if (mc->sfmode == MCAST_INCLUDE && i >= psl->sl_count)
635 		if (mc->sfmode == MCAST_EXCLUDE && i < psl->sl_count)
638 	read_unlock(&mc->sflock);
644 static void igmp6_group_added(struct ifmcaddr6 *mc)
646 	struct net_device *dev = mc->idev->dev;
649 	if (IPV6_ADDR_MC_SCOPE(&mc->mca_addr) <
653 	spin_lock_bh(&mc->mca_lock);
654 	if (!(mc->mca_flags&MAF_LOADED)) {
655 		mc->mca_flags |= MAF_LOADED;
656 		if (ndisc_mc_map(&mc->mca_addr, buf, dev, 0) == 0)
659 	spin_unlock_bh(&mc->mca_lock);
661 	if (!(dev->flags & IFF_UP) || (mc->mca_flags & MAF_NOREPORT))
664 	if (mld_in_v1_mode(mc->idev)) {
665 		igmp6_join_group(mc);
670 	mc->mca_crcount = mc->idev->mc_qrv;
671 	mld_ifc_event(mc->idev);
674 static void igmp6_group_dropped(struct ifmcaddr6 *mc)
676 	struct net_device *dev = mc->idev->dev;
679 	if (IPV6_ADDR_MC_SCOPE(&mc->mca_addr) <
683 	spin_lock_bh(&mc->mca_lock);
684 	if (mc->mca_flags&MAF_LOADED) {
685 		mc->mca_flags &= ~MAF_LOADED;
686 		if (ndisc_mc_map(&mc->mca_addr, buf, dev, 0) == 0)
690 	if (mc->mca_flags & MAF_NOREPORT)
692 	spin_unlock_bh(&mc->mca_lock);
694 	if (!mc->idev->dead)
695 		igmp6_leave_group(mc);
697 	spin_lock_bh(&mc->mca_lock);
698 	if (del_timer(&mc->mca_timer))
699 		atomic_dec(&mc->mca_refcnt);
701 	ip6_mc_clear_src(mc);
702 	spin_unlock_bh(&mc->mca_lock);
809 static void mca_get(struct ifmcaddr6 *mc)
811 	atomic_inc(&mc->mca_refcnt);
814 static void ma_put(struct ifmcaddr6 *mc)
816 	if (atomic_dec_and_test(&mc->mca_refcnt)) {
817 		in6_dev_put(mc->idev);
818 		kfree(mc);
825 	struct ifmcaddr6 *mc;
827 	mc = kzalloc(sizeof(*mc), GFP_ATOMIC);
828 	if (mc == NULL)
831 	setup_timer(&mc->mca_timer, igmp6_timer_handler, (unsigned long)mc);
833 	mc->mca_addr = *addr;
834 	mc->idev = idev; /* reference taken by caller */
835 	mc->mca_users = 1;
837 	mc->mca_cstamp = mc->mca_tstamp = jiffies;
838 	atomic_set(&mc->mca_refcnt, 1);
839 	spin_lock_init(&mc->mca_lock);
842 	mc->mca_sfmode = MCAST_EXCLUDE;
843 	mc->mca_sfcount[MCAST_EXCLUDE] = 1;
845 	if (ipv6_addr_is_ll_all_nodes(&mc->mca_addr) ||
846 	    IPV6_ADDR_MC_SCOPE(&mc->mca_addr) < IPV6_ADDR_SCOPE_LINKLOCAL)
847 		mc->mca_flags |= MAF_NOREPORT;
849 	return mc;
857 	struct ifmcaddr6 *mc;
875 	for (mc = idev->mc_list; mc; mc = mc->next) {
876 		if (ipv6_addr_equal(&mc->mca_addr, addr)) {
877 			mc->mca_users++;
879 			ip6_mc_add_src(idev, &mc->mca_addr, MCAST_EXCLUDE, 0,
886 	mc = mca_alloc(idev, addr);
887 	if (!mc) {
893 	mc->next = idev->mc_list;
894 	idev->mc_list = mc;
899 	mca_get(mc);
902 	mld_del_delrec(idev, &mc->mca_addr);
903 	igmp6_group_added(mc);
904 	ma_put(mc);
961 	struct ifmcaddr6 *mc;
968 		for (mc = idev->mc_list; mc; mc = mc->next) {
969 			if (ipv6_addr_equal(&mc->mca_addr, group))
972 		if (mc) {
976 				spin_lock_bh(&mc->mca_lock);
977 				for (psf = mc->mca_sources; psf; psf = psf->sf_next) {
984 						mc->mca_sfcount[MCAST_EXCLUDE];
986 					rv = mc->mca_sfcount[MCAST_EXCLUDE] != 0;
987 				spin_unlock_bh(&mc->mca_lock);