721 static int br_mdb_replace_group_sg(const struct br_mdb_config *cfg,  in br_mdb_replace_group_sg()  argument
730 	pg->rt_protocol = cfg->rt_protocol;  in br_mdb_replace_group_sg()
731 	if (!(flags & MDB_PG_FLAGS_PERMANENT) && !cfg->src_entry)  in br_mdb_replace_group_sg()
737 	br_mdb_notify(cfg->br->dev, mp, pg, RTM_NEWMDB);  in br_mdb_replace_group_sg()
742 static int br_mdb_add_group_sg(const struct br_mdb_config *cfg,  in br_mdb_add_group_sg()  argument
753 	     (p = mlock_dereference(*pp, cfg->br)) != NULL;  in br_mdb_add_group_sg()
755 		if (p->key.port == cfg->p) {  in br_mdb_add_group_sg()
756 			if (!(cfg->nlflags & NLM_F_REPLACE)) {  in br_mdb_add_group_sg()
760 			return br_mdb_replace_group_sg(cfg, mp, p, brmctx,  in br_mdb_add_group_sg()
763 		if ((unsigned long)p->key.port < (unsigned long)cfg->p)  in br_mdb_add_group_sg()
767 	p = br_multicast_new_port_group(cfg->p, &cfg->group, *pp, flags, NULL,  in br_mdb_add_group_sg()
768 					MCAST_INCLUDE, cfg->rt_protocol, extack);  in br_mdb_add_group_sg()
773 	if (!(flags & MDB_PG_FLAGS_PERMANENT) && !cfg->src_entry)  in br_mdb_add_group_sg()
776 	br_mdb_notify(cfg->br->dev, mp, p, RTM_NEWMDB);  in br_mdb_add_group_sg()
781 	if (br_multicast_should_handle_mode(brmctx, cfg->group.proto)) {  in br_mdb_add_group_sg()
787 		star_mp = br_mdb_ip_get(cfg->br, &star_group);  in br_mdb_add_group_sg()
795 static int br_mdb_add_group_src_fwd(const struct br_mdb_config *cfg,  in br_mdb_add_group_src_fwd()  argument
805 	sg_ip = cfg->group;  in br_mdb_add_group_src_fwd()
807 	sgmp = br_multicast_new_group(cfg->br, &sg_ip);  in br_mdb_add_group_src_fwd()
813 	if (cfg->entry->state == MDB_PERMANENT)  in br_mdb_add_group_src_fwd()
815 	if (cfg->filter_mode == MCAST_EXCLUDE)  in br_mdb_add_group_src_fwd()
819 	sg_cfg.br = cfg->br;  in br_mdb_add_group_src_fwd()
820 	sg_cfg.p = cfg->p;  in br_mdb_add_group_src_fwd()
821 	sg_cfg.entry = cfg->entry;  in br_mdb_add_group_src_fwd()
825 	sg_cfg.rt_protocol = cfg->rt_protocol;  in br_mdb_add_group_src_fwd()
826 	sg_cfg.nlflags = cfg->nlflags;  in br_mdb_add_group_src_fwd()
830 static int br_mdb_add_group_src(const struct br_mdb_config *cfg,  in br_mdb_add_group_src()  argument
847 	} else if (!(cfg->nlflags & NLM_F_REPLACE)) {  in br_mdb_add_group_src()
852 	if (cfg->filter_mode == MCAST_INCLUDE &&  in br_mdb_add_group_src()
853 	    cfg->entry->state == MDB_TEMPORARY)  in br_mdb_add_group_src()
859 	err = br_mdb_add_group_src_fwd(cfg, &src->addr, brmctx, extack);  in br_mdb_add_group_src()
883 static int br_mdb_add_group_srcs(const struct br_mdb_config *cfg,  in br_mdb_add_group_srcs()  argument
890 	for (i = 0; i < cfg->num_src_entries; i++) {  in br_mdb_add_group_srcs()
891 		err = br_mdb_add_group_src(cfg, pg, brmctx,  in br_mdb_add_group_srcs()
892 					   &cfg->src_entries[i], extack);  in br_mdb_add_group_srcs()
901 		br_mdb_del_group_src(pg, &cfg->src_entries[i]);  in br_mdb_add_group_srcs()
905 static int br_mdb_replace_group_srcs(const struct br_mdb_config *cfg,  in br_mdb_replace_group_srcs()  argument
917 	err = br_mdb_add_group_srcs(cfg, pg, brmctx, extack);  in br_mdb_replace_group_srcs()
934 static int br_mdb_replace_group_star_g(const struct br_mdb_config *cfg,  in br_mdb_replace_group_star_g()  argument
944 	err = br_mdb_replace_group_srcs(cfg, pg, brmctx, extack);  in br_mdb_replace_group_star_g()
949 	pg->filter_mode = cfg->filter_mode;  in br_mdb_replace_group_star_g()
950 	pg->rt_protocol = cfg->rt_protocol;  in br_mdb_replace_group_star_g()
952 	    cfg->filter_mode == MCAST_EXCLUDE)  in br_mdb_replace_group_star_g()
958 	br_mdb_notify(cfg->br->dev, mp, pg, RTM_NEWMDB);  in br_mdb_replace_group_star_g()
960 	if (br_multicast_should_handle_mode(brmctx, cfg->group.proto))  in br_mdb_replace_group_star_g()
961 		br_multicast_star_g_handle_mode(pg, cfg->filter_mode);  in br_mdb_replace_group_star_g()
966 static int br_mdb_add_group_star_g(const struct br_mdb_config *cfg,  in br_mdb_add_group_star_g()  argument
978 	     (p = mlock_dereference(*pp, cfg->br)) != NULL;  in br_mdb_add_group_star_g()
980 		if (p->key.port == cfg->p) {  in br_mdb_add_group_star_g()
981 			if (!(cfg->nlflags & NLM_F_REPLACE)) {  in br_mdb_add_group_star_g()
985 			return br_mdb_replace_group_star_g(cfg, mp, p, brmctx,  in br_mdb_add_group_star_g()
988 		if ((unsigned long)p->key.port < (unsigned long)cfg->p)  in br_mdb_add_group_star_g()
992 	p = br_multicast_new_port_group(cfg->p, &cfg->group, *pp, flags, NULL,  in br_mdb_add_group_star_g()
993 					cfg->filter_mode, cfg->rt_protocol,  in br_mdb_add_group_star_g()
998 	err = br_mdb_add_group_srcs(cfg, p, brmctx, extack);  in br_mdb_add_group_star_g()
1004 	    cfg->filter_mode == MCAST_EXCLUDE)  in br_mdb_add_group_star_g()
1007 	br_mdb_notify(cfg->br->dev, mp, p, RTM_NEWMDB);  in br_mdb_add_group_star_g()
1011 	if (br_multicast_should_handle_mode(brmctx, cfg->group.proto) &&  in br_mdb_add_group_star_g()
1012 	    cfg->filter_mode == MCAST_EXCLUDE)  in br_mdb_add_group_star_g()
1022 static int br_mdb_add_group(const struct br_mdb_config *cfg,  in br_mdb_add_group()  argument
1025 	struct br_mdb_entry *entry = cfg->entry;  in br_mdb_add_group()
1026 	struct net_bridge_port *port = cfg->p;  in br_mdb_add_group()
1028 	struct net_bridge *br = cfg->br;  in br_mdb_add_group()
1030 	struct br_ip group = cfg->group;  in br_mdb_add_group()
1058 		return br_mdb_add_group_star_g(cfg, mp, brmctx, flags, extack);  in br_mdb_add_group()
1060 		return br_mdb_add_group_sg(cfg, mp, brmctx, flags, extack);  in br_mdb_add_group()
1063 static int __br_mdb_add(const struct br_mdb_config *cfg,  in __br_mdb_add()  argument
1068 	spin_lock_bh(&cfg->br->multicast_lock);  in __br_mdb_add()
1069 	ret = br_mdb_add_group(cfg, extack);  in __br_mdb_add()
1070 	spin_unlock_bh(&cfg->br->multicast_lock);  in __br_mdb_add()
1102 				       struct br_mdb_config *cfg,  in br_mdb_config_src_list_init()  argument
1110 		cfg->num_src_entries++;  in br_mdb_config_src_list_init()
1112 	if (cfg->num_src_entries >= PG_SRC_ENT_LIMIT) {  in br_mdb_config_src_list_init()
1118 	cfg->src_entries = kcalloc(cfg->num_src_entries,  in br_mdb_config_src_list_init()
1120 	if (!cfg->src_entries)  in br_mdb_config_src_list_init()
1125 						   &cfg->src_entries[i],  in br_mdb_config_src_list_init()
1126 						   cfg->entry->addr.proto,  in br_mdb_config_src_list_init()
1136 	kfree(cfg->src_entries);  in br_mdb_config_src_list_init()
1140 static void br_mdb_config_src_list_fini(struct br_mdb_config *cfg)  in br_mdb_config_src_list_fini()  argument
1142 	kfree(cfg->src_entries);  in br_mdb_config_src_list_fini()
1146 				    struct br_mdb_config *cfg,  in br_mdb_config_attrs_init()  argument
1159 				 cfg->entry->addr.proto, extack))  in br_mdb_config_attrs_init()
1162 	__mdb_entry_to_br_ip(cfg->entry, &cfg->group, mdb_attrs);  in br_mdb_config_attrs_init()
1165 		if (!cfg->p) {  in br_mdb_config_attrs_init()
1169 		if (!br_multicast_is_star_g(&cfg->group)) {  in br_mdb_config_attrs_init()
1173 		cfg->filter_mode = nla_get_u8(mdb_attrs[MDBE_ATTR_GROUP_MODE]);  in br_mdb_config_attrs_init()
1175 		cfg->filter_mode = MCAST_EXCLUDE;  in br_mdb_config_attrs_init()
1179 		if (!cfg->p) {  in br_mdb_config_attrs_init()
1183 		if (!br_multicast_is_star_g(&cfg->group)) {  in br_mdb_config_attrs_init()
1192 						  cfg, extack);  in br_mdb_config_attrs_init()
1197 	if (!cfg->num_src_entries && cfg->filter_mode == MCAST_INCLUDE) {  in br_mdb_config_attrs_init()
1203 		if (!cfg->p) {  in br_mdb_config_attrs_init()
1207 		cfg->rt_protocol = nla_get_u8(mdb_attrs[MDBE_ATTR_RTPROT]);  in br_mdb_config_attrs_init()
1213 static int br_mdb_config_init(struct br_mdb_config *cfg, struct net_device *dev,  in br_mdb_config_init()  argument
1219 	memset(cfg, 0, sizeof(*cfg));  in br_mdb_config_init()
1220 	cfg->filter_mode = MCAST_EXCLUDE;  in br_mdb_config_init()
1221 	cfg->rt_protocol = RTPROT_STATIC;  in br_mdb_config_init()
1222 	cfg->nlflags = nlmsg_flags;  in br_mdb_config_init()
1224 	cfg->br = netdev_priv(dev);  in br_mdb_config_init()
1226 	if (!netif_running(cfg->br->dev)) {  in br_mdb_config_init()
1231 	if (!br_opt_get(cfg->br, BROPT_MULTICAST_ENABLED)) {  in br_mdb_config_init()
1236 	cfg->entry = nla_data(tb[MDBA_SET_ENTRY]);  in br_mdb_config_init()
1238 	if (cfg->entry->ifindex != cfg->br->dev->ifindex) {  in br_mdb_config_init()
1241 		pdev = __dev_get_by_index(net, cfg->entry->ifindex);  in br_mdb_config_init()
1247 		cfg->p = br_port_get_rtnl(pdev);  in br_mdb_config_init()
1248 		if (!cfg->p) {  in br_mdb_config_init()
1253 		if (cfg->p->br != cfg->br) {  in br_mdb_config_init()
1259 	if (cfg->entry->addr.proto == htons(ETH_P_IP) &&  in br_mdb_config_init()
1260 	    ipv4_is_zeronet(cfg->entry->addr.u.ip4)) {  in br_mdb_config_init()
1266 		return br_mdb_config_attrs_init(tb[MDBA_SET_ENTRY_ATTRS], cfg,  in br_mdb_config_init()
1269 		__mdb_entry_to_br_ip(cfg->entry, &cfg->group, NULL);  in br_mdb_config_init()
1274 static void br_mdb_config_fini(struct br_mdb_config *cfg)  in br_mdb_config_fini()  argument
1276 	br_mdb_config_src_list_fini(cfg);  in br_mdb_config_fini()
1284 	struct br_mdb_config cfg;  in br_mdb_add()  local
1287 	err = br_mdb_config_init(&cfg, dev, tb, nlmsg_flags, extack);  in br_mdb_add()
1293 	if (!cfg.p && !br_group_is_l2(&cfg.group)) {  in br_mdb_add()
1295 		if (cfg.entry->state) {  in br_mdb_add()
1299 		if (!br_multicast_is_star_g(&cfg.group)) {  in br_mdb_add()
1305 	if (br_group_is_l2(&cfg.group) && cfg.entry->state != MDB_PERMANENT) {  in br_mdb_add()
1310 	if (cfg.p) {  in br_mdb_add()
1311 		if (cfg.p->state == BR_STATE_DISABLED && cfg.entry->state != MDB_PERMANENT) {  in br_mdb_add()
1315 		vg = nbp_vlan_group(cfg.p);  in br_mdb_add()
1317 		vg = br_vlan_group(cfg.br);  in br_mdb_add()
1323 	if (br_vlan_enabled(cfg.br->dev) && vg && cfg.entry->vid == 0) {  in br_mdb_add()
1325 			cfg.entry->vid = v->vid;  in br_mdb_add()
1326 			cfg.group.vid = v->vid;  in br_mdb_add()
1327 			err = __br_mdb_add(&cfg, extack);  in br_mdb_add()
1332 		err = __br_mdb_add(&cfg, extack);  in br_mdb_add()
1336 	br_mdb_config_fini(&cfg);  in br_mdb_add()
1340 static int __br_mdb_del(const struct br_mdb_config *cfg)  in __br_mdb_del()  argument
1342 	struct br_mdb_entry *entry = cfg->entry;  in __br_mdb_del()
1343 	struct net_bridge *br = cfg->br;  in __br_mdb_del()
1347 	struct br_ip ip = cfg->group;  in __br_mdb_del()
1386 	struct br_mdb_config cfg;  in br_mdb_del()  local
1389 	err = br_mdb_config_init(&cfg, dev, tb, 0, extack);  in br_mdb_del()
1393 	if (cfg.p)  in br_mdb_del()
1394 		vg = nbp_vlan_group(cfg.p);  in br_mdb_del()
1396 		vg = br_vlan_group(cfg.br);  in br_mdb_del()
1401 	if (br_vlan_enabled(cfg.br->dev) && vg && cfg.entry->vid == 0) {  in br_mdb_del()
1403 			cfg.entry->vid = v->vid;  in br_mdb_del()
1404 			cfg.group.vid = v->vid;  in br_mdb_del()
1405 			err = __br_mdb_del(&cfg);  in br_mdb_del()
1408 		err = __br_mdb_del(&cfg);  in br_mdb_del()
1411 	br_mdb_config_fini(&cfg);  in br_mdb_del()