42 	struct net_bridge *br;  in __vlan_add()  local
53 		br = p->br;  in __vlan_add()
56 		br = v->parent.br;  in __vlan_add()
57 		dev = br->dev;  in __vlan_add()
65 		err = vlan_vid_add(dev, br->vlan_proto, vid);  in __vlan_add()
70 	err = br_fdb_insert(br, p, dev->dev_addr, vid);  in __vlan_add()
72 		br_err(br, "failed insert local address into bridge "  in __vlan_add()
85 		vlan_vid_del(dev, br->vlan_proto, vid);  in __vlan_add()
99 		vlan_vid_del(p->dev, p->br->vlan_proto, vid);  in __vlan_del()
108 			RCU_INIT_POINTER(v->parent.br->vlan_info, NULL);  in __vlan_del()
122 		RCU_INIT_POINTER(v->parent.br->vlan_info, NULL);  in __vlan_flush()
126 struct sk_buff *br_handle_vlan(struct net_bridge *br,  in br_handle_vlan()  argument
142 		if ((br->dev->flags & IFF_PROMISC) && skb->dev == br->dev) {  in br_handle_vlan()
163 bool br_allowed_ingress(struct net_bridge *br, struct net_port_vlans *v,  in br_allowed_ingress()  argument
172 	if (!br->vlan_enabled) {  in br_allowed_ingress()
184 	proto = br->vlan_proto;  in br_allowed_ingress()
256 bool br_allowed_egress(struct net_bridge *br,  in br_allowed_egress()  argument
279 	struct net_bridge *br = p->br;  in br_should_learn()  local
283 	if (!br->vlan_enabled)  in br_should_learn()
290 	if (!br_vlan_get_tag(skb, vid) && skb->vlan_proto != br->vlan_proto)  in br_should_learn()
310 int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags)  in br_vlan_add()  argument
317 	pv = rtnl_dereference(br->vlan_info);  in br_vlan_add()
327 	pv->parent.br = br;  in br_vlan_add()
332 	rcu_assign_pointer(br->vlan_info, pv);  in br_vlan_add()
342 int br_vlan_delete(struct net_bridge *br, u16 vid)  in br_vlan_delete()  argument
348 	pv = rtnl_dereference(br->vlan_info);  in br_vlan_delete()
352 	br_fdb_find_delete_local(br, NULL, br->dev->dev_addr, vid);  in br_vlan_delete()
358 void br_vlan_flush(struct net_bridge *br)  in br_vlan_flush()  argument
363 	pv = rtnl_dereference(br->vlan_info);  in br_vlan_flush()
370 bool br_vlan_find(struct net_bridge *br, u16 vid)  in br_vlan_find()  argument
376 	pv = rcu_dereference(br->vlan_info);  in br_vlan_find()
390 static void recalculate_group_addr(struct net_bridge *br)  in recalculate_group_addr()  argument
392 	if (br->group_addr_set)  in recalculate_group_addr()
395 	spin_lock_bh(&br->lock);  in recalculate_group_addr()
396 	if (!br->vlan_enabled || br->vlan_proto == htons(ETH_P_8021Q)) {  in recalculate_group_addr()
398 		br->group_addr[5] = 0x00;  in recalculate_group_addr()
401 		br->group_addr[5] = 0x08;  in recalculate_group_addr()
403 	spin_unlock_bh(&br->lock);  in recalculate_group_addr()
407 void br_recalculate_fwd_mask(struct net_bridge *br)  in br_recalculate_fwd_mask()  argument
409 	if (!br->vlan_enabled || br->vlan_proto == htons(ETH_P_8021Q))  in br_recalculate_fwd_mask()
410 		br->group_fwd_mask_required = BR_GROUPFWD_DEFAULT;  in br_recalculate_fwd_mask()
412 		br->group_fwd_mask_required = BR_GROUPFWD_8021AD &  in br_recalculate_fwd_mask()
413 					      ~(1u << br->group_addr[5]);  in br_recalculate_fwd_mask()
416 int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val)  in br_vlan_filter_toggle()  argument
421 	if (br->vlan_enabled == val)  in br_vlan_filter_toggle()
424 	br->vlan_enabled = val;  in br_vlan_filter_toggle()
425 	br_manage_promisc(br);  in br_vlan_filter_toggle()
426 	recalculate_group_addr(br);  in br_vlan_filter_toggle()
427 	br_recalculate_fwd_mask(br);  in br_vlan_filter_toggle()
434 int br_vlan_set_proto(struct net_bridge *br, unsigned long val)  in br_vlan_set_proto()  argument
449 	if (br->vlan_proto == proto)  in br_vlan_set_proto()
453 	list_for_each_entry(p, &br->port_list, list) {  in br_vlan_set_proto()
465 	oldproto = br->vlan_proto;  in br_vlan_set_proto()
466 	br->vlan_proto = proto;  in br_vlan_set_proto()
468 	recalculate_group_addr(br);  in br_vlan_set_proto()
469 	br_recalculate_fwd_mask(br);  in br_vlan_set_proto()
472 	list_for_each_entry(p, &br->port_list, list) {  in br_vlan_set_proto()
490 	list_for_each_entry_continue_reverse(p, &br->port_list, list) {  in br_vlan_set_proto()
507 static void br_vlan_disable_default_pvid(struct net_bridge *br)  in br_vlan_disable_default_pvid()  argument
510 	u16 pvid = br->default_pvid;  in br_vlan_disable_default_pvid()
515 	if (vlan_default_pvid(br_get_vlan_info(br), pvid))  in br_vlan_disable_default_pvid()
516 		br_vlan_delete(br, pvid);  in br_vlan_disable_default_pvid()
518 	list_for_each_entry(p, &br->port_list, list) {  in br_vlan_disable_default_pvid()
523 	br->default_pvid = 0;  in br_vlan_disable_default_pvid()
526 static int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid)  in __br_vlan_set_default_pvid()  argument
538 	old_pvid = br->default_pvid;  in __br_vlan_set_default_pvid()
543 	if ((!old_pvid || vlan_default_pvid(br_get_vlan_info(br), old_pvid)) &&  in __br_vlan_set_default_pvid()
544 	    !br_vlan_find(br, pvid)) {  in __br_vlan_set_default_pvid()
545 		err = br_vlan_add(br, pvid,  in __br_vlan_set_default_pvid()
550 		br_vlan_delete(br, old_pvid);  in __br_vlan_set_default_pvid()
554 	list_for_each_entry(p, &br->port_list, list) {  in __br_vlan_set_default_pvid()
572 	br->default_pvid = pvid;  in __br_vlan_set_default_pvid()
579 	list_for_each_entry_continue_reverse(p, &br->port_list, list) {  in __br_vlan_set_default_pvid()
592 			br_vlan_add(br, old_pvid,  in __br_vlan_set_default_pvid()
595 		br_vlan_delete(br, pvid);  in __br_vlan_set_default_pvid()
600 int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val)  in br_vlan_set_default_pvid()  argument
611 	if (pvid == br->default_pvid)  in br_vlan_set_default_pvid()
615 	if (br->vlan_enabled) {  in br_vlan_set_default_pvid()
622 		br_vlan_disable_default_pvid(br);  in br_vlan_set_default_pvid()
624 		err = __br_vlan_set_default_pvid(br, pvid);  in br_vlan_set_default_pvid()
631 int br_vlan_init(struct net_bridge *br)  in br_vlan_init()  argument
633 	br->vlan_proto = htons(ETH_P_8021Q);  in br_vlan_init()
634 	br->default_pvid = 1;  in br_vlan_init()
635 	return br_vlan_add(br, 1,  in br_vlan_init()
688 	br_fdb_find_delete_local(port->br, port, port->dev->dev_addr, vid);  in nbp_vlan_delete()
705 		vlan_vid_del(port->dev, port->br->vlan_proto, vid);  in nbp_vlan_flush()
731 	return p->br->default_pvid ?  in nbp_vlan_init()
732 			nbp_vlan_add(p, p->br->default_pvid,  in nbp_vlan_init()