61 static int vxlan_sock_add(struct vxlan_dev *vxlan);
63 static void vxlan_vs_del_dev(struct vxlan_dev *vxlan);
240 		if (node->vxlan->default_dst.remote_vni != vni)  in vxlan_vs_find_vni()
244 			const struct vxlan_config *cfg = &node->vxlan->cfg;  in vxlan_vs_find_vni()
251 		return node->vxlan;  in vxlan_vs_find_vni()
272 static int vxlan_fdb_info(struct sk_buff *skb, struct vxlan_dev *vxlan,  in vxlan_fdb_info()  argument
299 	ndm->ndm_ifindex = vxlan->dev->ifindex;  in vxlan_fdb_info()
303 	if (!net_eq(dev_net(vxlan->dev), vxlan->net) &&  in vxlan_fdb_info()
305 			peernet2id(dev_net(vxlan->dev), vxlan->net)))  in vxlan_fdb_info()
314 	if (rdst->remote_port && rdst->remote_port != vxlan->cfg.dst_port &&  in vxlan_fdb_info()
317 	if (rdst->remote_vni != vxlan->default_dst.remote_vni &&  in vxlan_fdb_info()
320 	if ((vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA) && fdb->vni &&  in vxlan_fdb_info()
356 static void vxlan_fdb_notify(struct vxlan_dev *vxlan, struct vxlan_fdb *fdb,  in vxlan_fdb_notify()  argument
359 	struct net *net = dev_net(vxlan->dev);  in vxlan_fdb_notify()
367 	err = vxlan_fdb_info(skb, vxlan, fdb, 0, 0, type, 0, rd);  in vxlan_fdb_notify()
384 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_ip_miss()  local
393 	vxlan_fdb_notify(vxlan, &f, &remote, RTM_GETNEIGH);  in vxlan_ip_miss()
396 static void vxlan_fdb_miss(struct vxlan_dev *vxlan, const u8 eth_addr[ETH_ALEN])  in vxlan_fdb_miss()  argument
405 	vxlan_fdb_notify(vxlan, &f, &remote, RTM_GETNEIGH);  in vxlan_fdb_miss()
431 static inline struct hlist_head *vxlan_fdb_head(struct vxlan_dev *vxlan,  in vxlan_fdb_head()  argument
434 	if (vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA)  in vxlan_fdb_head()
435 		return &vxlan->fdb_head[eth_vni_hash(mac, vni)];  in vxlan_fdb_head()
437 		return &vxlan->fdb_head[eth_hash(mac)];  in vxlan_fdb_head()
441 static struct vxlan_fdb *__vxlan_find_mac(struct vxlan_dev *vxlan,  in __vxlan_find_mac()  argument
444 	struct hlist_head *head = vxlan_fdb_head(vxlan, mac, vni);  in __vxlan_find_mac()
449 			if (vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA) {  in __vxlan_find_mac()
461 static struct vxlan_fdb *vxlan_find_mac(struct vxlan_dev *vxlan,  in vxlan_find_mac()  argument
466 	f = __vxlan_find_mac(vxlan, mac, vni);  in vxlan_find_mac()
640 static struct vxlan_fdb *vxlan_fdb_alloc(struct vxlan_dev *vxlan,  in vxlan_fdb_alloc()  argument
659 static int vxlan_fdb_create(struct vxlan_dev *vxlan,  in vxlan_fdb_create()  argument
669 	if (vxlan->cfg.addrmax &&  in vxlan_fdb_create()
670 	    vxlan->addrcnt >= vxlan->cfg.addrmax)  in vxlan_fdb_create()
673 	netdev_dbg(vxlan->dev, "add %pM -> %pIS\n", mac, ip);  in vxlan_fdb_create()
674 	f = vxlan_fdb_alloc(vxlan, mac, state, src_vni, ndm_flags);  in vxlan_fdb_create()
684 	++vxlan->addrcnt;  in vxlan_fdb_create()
686 			   vxlan_fdb_head(vxlan, mac, src_vni));  in vxlan_fdb_create()
694 static int vxlan_fdb_update(struct vxlan_dev *vxlan,  in vxlan_fdb_update()  argument
705 	f = __vxlan_find_mac(vxlan, mac, src_vni);  in vxlan_fdb_update()
708 			netdev_dbg(vxlan->dev,  in vxlan_fdb_update()
749 		netdev_dbg(vxlan->dev, "add %pM -> %pIS\n", mac, ip);  in vxlan_fdb_update()
750 		rc = vxlan_fdb_create(vxlan, mac, ip, state, port, src_vni,  in vxlan_fdb_update()
760 		vxlan_fdb_notify(vxlan, f, rd, RTM_NEWNEIGH);  in vxlan_fdb_update()
778 static void vxlan_fdb_destroy(struct vxlan_dev *vxlan, struct vxlan_fdb *f,  in vxlan_fdb_destroy()  argument
781 	netdev_dbg(vxlan->dev,  in vxlan_fdb_destroy()
784 	--vxlan->addrcnt;  in vxlan_fdb_destroy()
786 		vxlan_fdb_notify(vxlan, f, first_remote_rtnl(f), RTM_DELNEIGH);  in vxlan_fdb_destroy()
800 static void vxlan_fdb_dst_destroy(struct vxlan_dev *vxlan, struct vxlan_fdb *f,  in vxlan_fdb_dst_destroy()  argument
804 	vxlan_fdb_notify(vxlan, f, rd, RTM_DELNEIGH);  in vxlan_fdb_dst_destroy()
808 static int vxlan_fdb_parse(struct nlattr *tb[], struct vxlan_dev *vxlan,  in vxlan_fdb_parse()  argument
812 	struct net *net = dev_net(vxlan->dev);  in vxlan_fdb_parse()
820 		union vxlan_addr *remote = &vxlan->default_dst.remote_ip;  in vxlan_fdb_parse()
837 		*port = vxlan->cfg.dst_port;  in vxlan_fdb_parse()
845 		*vni = vxlan->default_dst.remote_vni;  in vxlan_fdb_parse()
853 		*src_vni = vxlan->default_dst.remote_vni;  in vxlan_fdb_parse()
877 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fdb_add()  local
894 	err = vxlan_fdb_parse(tb, vxlan, &ip, &port, &src_vni, &vni, &ifindex);  in vxlan_fdb_add()
898 	if (vxlan->default_dst.remote_ip.sa.sa_family != ip.sa.sa_family)  in vxlan_fdb_add()
901 	spin_lock_bh(&vxlan->hash_lock);  in vxlan_fdb_add()
902 	err = vxlan_fdb_update(vxlan, addr, &ip, ndm->ndm_state, flags,  in vxlan_fdb_add()
904 	spin_unlock_bh(&vxlan->hash_lock);  in vxlan_fdb_add()
909 static int __vxlan_fdb_delete(struct vxlan_dev *vxlan,  in __vxlan_fdb_delete()  argument
918 	f = vxlan_find_mac(vxlan, addr, src_vni);  in __vxlan_fdb_delete()
932 		vxlan_fdb_dst_destroy(vxlan, f, rd);  in __vxlan_fdb_delete()
936 	vxlan_fdb_destroy(vxlan, f, true);  in __vxlan_fdb_delete()
947 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fdb_delete()  local
954 	err = vxlan_fdb_parse(tb, vxlan, &ip, &port, &src_vni, &vni, &ifindex);  in vxlan_fdb_delete()
958 	spin_lock_bh(&vxlan->hash_lock);  in vxlan_fdb_delete()
959 	err = __vxlan_fdb_delete(vxlan, addr, ip, port, src_vni, vni, ifindex,  in vxlan_fdb_delete()
961 	spin_unlock_bh(&vxlan->hash_lock);  in vxlan_fdb_delete()
971 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fdb_dump()  local
978 		hlist_for_each_entry_rcu(f, &vxlan->fdb_head[h], hlist) {  in vxlan_fdb_dump()
985 				err = vxlan_fdb_info(skb, vxlan, f,  in vxlan_fdb_dump()
1009 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_snoop()  local
1019 	f = vxlan_find_mac(vxlan, src_mac, vni);  in vxlan_snoop()
1038 		vxlan_fdb_notify(vxlan, f, rdst, RTM_NEWNEIGH);  in vxlan_snoop()
1041 		spin_lock(&vxlan->hash_lock);  in vxlan_snoop()
1045 			vxlan_fdb_update(vxlan, src_mac, src_ip,  in vxlan_snoop()
1048 					 vxlan->cfg.dst_port,  in vxlan_snoop()
1050 					 vxlan->default_dst.remote_vni,  in vxlan_snoop()
1052 		spin_unlock(&vxlan->hash_lock);  in vxlan_snoop()
1061 	struct vxlan_dev *vxlan;  in vxlan_group_used()  local
1081 	list_for_each_entry(vxlan, &vn->vxlan_list, next) {  in vxlan_group_used()
1082 		if (!netif_running(vxlan->dev) || vxlan == dev)  in vxlan_group_used()
1086 		    rtnl_dereference(vxlan->vn4_sock) != sock4)  in vxlan_group_used()
1090 		    rtnl_dereference(vxlan->vn6_sock) != sock6)  in vxlan_group_used()
1094 		if (!vxlan_addr_equal(&vxlan->default_dst.remote_ip,  in vxlan_group_used()
1098 		if (vxlan->default_dst.remote_ifindex !=  in vxlan_group_used()
1129 static void vxlan_sock_release(struct vxlan_dev *vxlan)  in vxlan_sock_release()  argument
1131 	struct vxlan_sock *sock4 = rtnl_dereference(vxlan->vn4_sock);  in vxlan_sock_release()
1133 	struct vxlan_sock *sock6 = rtnl_dereference(vxlan->vn6_sock);  in vxlan_sock_release()
1135 	RCU_INIT_POINTER(vxlan->vn6_sock, NULL);  in vxlan_sock_release()
1138 	RCU_INIT_POINTER(vxlan->vn4_sock, NULL);  in vxlan_sock_release()
1141 	vxlan_vs_del_dev(vxlan);  in vxlan_sock_release()
1159 static int vxlan_igmp_join(struct vxlan_dev *vxlan)  in vxlan_igmp_join()  argument
1162 	union vxlan_addr *ip = &vxlan->default_dst.remote_ip;  in vxlan_igmp_join()
1163 	int ifindex = vxlan->default_dst.remote_ifindex;  in vxlan_igmp_join()
1167 		struct vxlan_sock *sock4 = rtnl_dereference(vxlan->vn4_sock);  in vxlan_igmp_join()
1179 		struct vxlan_sock *sock6 = rtnl_dereference(vxlan->vn6_sock);  in vxlan_igmp_join()
1193 static int vxlan_igmp_leave(struct vxlan_dev *vxlan)  in vxlan_igmp_leave()  argument
1196 	union vxlan_addr *ip = &vxlan->default_dst.remote_ip;  in vxlan_igmp_leave()
1197 	int ifindex = vxlan->default_dst.remote_ifindex;  in vxlan_igmp_leave()
1201 		struct vxlan_sock *sock4 = rtnl_dereference(vxlan->vn4_sock);  in vxlan_igmp_leave()
1213 		struct vxlan_sock *sock6 = rtnl_dereference(vxlan->vn6_sock);  in vxlan_igmp_leave()
1307 static bool vxlan_set_mac(struct vxlan_dev *vxlan,  in vxlan_set_mac()  argument
1315 	skb->protocol = eth_type_trans(skb, vxlan->dev);  in vxlan_set_mac()
1319 	if (ether_addr_equal(eth_hdr(skb)->h_source, vxlan->dev->dev_addr))  in vxlan_set_mac()
1333 	if ((vxlan->cfg.flags & VXLAN_F_LEARN) &&  in vxlan_set_mac()
1368 	struct vxlan_dev *vxlan;  in vxlan_rcv()  local
1400 	vxlan = vxlan_vs_find_vni(vs, skb->dev->ifindex, vni);  in vxlan_rcv()
1401 	if (!vxlan)  in vxlan_rcv()
1414 				   !net_eq(vxlan->net, dev_net(vxlan->dev))))  in vxlan_rcv()
1455 		if (!vxlan_set_mac(vxlan, vs, skb, vni))  in vxlan_rcv()
1459 		skb->dev = vxlan->dev;  in vxlan_rcv()
1467 		++vxlan->dev->stats.rx_frame_errors;  in vxlan_rcv()
1468 		++vxlan->dev->stats.rx_errors;  in vxlan_rcv()
1472 	stats = this_cpu_ptr(vxlan->dev->tstats);  in vxlan_rcv()
1478 	gro_cells_receive(&vxlan->gro_cells, skb);  in vxlan_rcv()
1489 	struct vxlan_dev *vxlan = netdev_priv(dev);  in arp_reduce()  local
1534 		f = vxlan_find_mac(vxlan, n->ha, vni);  in arp_reduce()
1556 	} else if (vxlan->cfg.flags & VXLAN_F_L3MISS) {  in arp_reduce()
1659 	struct vxlan_dev *vxlan = netdev_priv(dev);  in neigh_reduce()  local
1689 		f = vxlan_find_mac(vxlan, n->ha, vni);  in neigh_reduce()
1707 	} else if (vxlan->cfg.flags & VXLAN_F_L3MISS) {  in neigh_reduce()
1724 	struct vxlan_dev *vxlan = netdev_priv(dev);  in route_shortcircuit()  local
1740 		if (!n && (vxlan->cfg.flags & VXLAN_F_L3MISS)) {  in route_shortcircuit()
1761 		if (!n && (vxlan->cfg.flags & VXLAN_F_L3MISS)) {  in route_shortcircuit()
1890 static struct rtable *vxlan_get_route(struct vxlan_dev *vxlan, struct net_device *dev,  in vxlan_get_route()  argument
1922 	rt = ip_route_output_key(vxlan->net, &fl4);  in vxlan_get_route()
1941 static struct dst_entry *vxlan6_get_route(struct vxlan_dev *vxlan,  in vxlan6_get_route()  argument
1978 	err = ipv6_stub->ipv6_dst_lookup(vxlan->net,  in vxlan6_get_route()
2046 				 struct vxlan_dev *vxlan,  in encap_bypass_if_local()  argument
2065 		dst_vxlan = vxlan_find_vni(vxlan->net, dst_ifindex, vni,  in encap_bypass_if_local()
2067 					   vxlan->cfg.flags);  in encap_bypass_if_local()
2074 		vxlan_encap_bypass(skb, vxlan, dst_vxlan, vni);  in encap_bypass_if_local()
2087 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_xmit_one()  local
2099 	u32 flags = vxlan->cfg.flags;  in vxlan_xmit_one()
2101 	bool xnet = !net_eq(vxlan->net, dev_net(vxlan->dev));  in vxlan_xmit_one()
2110 				vxlan_encap_bypass(skb, vxlan, vxlan, default_vni);  in vxlan_xmit_one()
2116 		dst_port = rdst->remote_port ? rdst->remote_port : vxlan->cfg.dst_port;  in vxlan_xmit_one()
2119 		local_ip = vxlan->cfg.saddr;  in vxlan_xmit_one()
2125 			ttl = vxlan->cfg.ttl;  in vxlan_xmit_one()
2130 		tos = vxlan->cfg.tos;  in vxlan_xmit_one()
2138 		label = vxlan->cfg.label;  in vxlan_xmit_one()
2154 		dst_port = info->key.tp_dst ? : vxlan->cfg.dst_port;  in vxlan_xmit_one()
2166 	src_port = udp_flow_src_port(dev_net(dev), skb, vxlan->cfg.port_min,  in vxlan_xmit_one()
2167 				     vxlan->cfg.port_max, true);  in vxlan_xmit_one()
2171 		struct vxlan_sock *sock4 = rcu_dereference(vxlan->vn4_sock);  in vxlan_xmit_one()
2175 		rt = vxlan_get_route(vxlan, dev, sock4, skb, ifindex, tos,  in vxlan_xmit_one()
2187 			err = encap_bypass_if_local(skb, dev, vxlan, dst,  in vxlan_xmit_one()
2211 		struct vxlan_sock *sock6 = rcu_dereference(vxlan->vn6_sock);  in vxlan_xmit_one()
2213 		ndst = vxlan6_get_route(vxlan, dev, sock6, skb, ifindex, tos,  in vxlan_xmit_one()
2227 			err = encap_bypass_if_local(skb, dev, vxlan, dst,  in vxlan_xmit_one()
2278 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_xmit()  local
2290 	if (vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA) {  in vxlan_xmit()
2303 	if (vxlan->cfg.flags & VXLAN_F_PROXY) {  in vxlan_xmit()
2322 	f = vxlan_find_mac(vxlan, eth->h_dest, vni);  in vxlan_xmit()
2325 	if (f && (f->flags & NTF_ROUTER) && (vxlan->cfg.flags & VXLAN_F_RSC) &&  in vxlan_xmit()
2330 			f = vxlan_find_mac(vxlan, eth->h_dest, vni);  in vxlan_xmit()
2334 		f = vxlan_find_mac(vxlan, all_zeros_mac, vni);  in vxlan_xmit()
2336 			if ((vxlan->cfg.flags & VXLAN_F_L2MISS) &&  in vxlan_xmit()
2338 				vxlan_fdb_miss(vxlan, eth->h_dest);  in vxlan_xmit()
2368 	struct vxlan_dev *vxlan = from_timer(vxlan, t, age_timer);  in vxlan_cleanup()  local
2372 	if (!netif_running(vxlan->dev))  in vxlan_cleanup()
2378 		spin_lock_bh(&vxlan->hash_lock);  in vxlan_cleanup()
2379 		hlist_for_each_safe(p, n, &vxlan->fdb_head[h]) {  in vxlan_cleanup()
2390 			timeout = f->used + vxlan->cfg.age_interval * HZ;  in vxlan_cleanup()
2392 				netdev_dbg(vxlan->dev,  in vxlan_cleanup()
2396 				vxlan_fdb_destroy(vxlan, f, true);  in vxlan_cleanup()
2400 		spin_unlock_bh(&vxlan->hash_lock);  in vxlan_cleanup()
2403 	mod_timer(&vxlan->age_timer, next_timer);  in vxlan_cleanup()
2406 static void vxlan_vs_del_dev(struct vxlan_dev *vxlan)  in vxlan_vs_del_dev()  argument
2408 	struct vxlan_net *vn = net_generic(vxlan->net, vxlan_net_id);  in vxlan_vs_del_dev()
2411 	hlist_del_init_rcu(&vxlan->hlist4.hlist);  in vxlan_vs_del_dev()
2413 	hlist_del_init_rcu(&vxlan->hlist6.hlist);  in vxlan_vs_del_dev()
2418 static void vxlan_vs_add_dev(struct vxlan_sock *vs, struct vxlan_dev *vxlan,  in vxlan_vs_add_dev()  argument
2421 	struct vxlan_net *vn = net_generic(vxlan->net, vxlan_net_id);  in vxlan_vs_add_dev()
2422 	__be32 vni = vxlan->default_dst.remote_vni;  in vxlan_vs_add_dev()
2424 	node->vxlan = vxlan;  in vxlan_vs_add_dev()
2440 static void vxlan_fdb_delete_default(struct vxlan_dev *vxlan, __be32 vni)  in vxlan_fdb_delete_default()  argument
2444 	spin_lock_bh(&vxlan->hash_lock);  in vxlan_fdb_delete_default()
2445 	f = __vxlan_find_mac(vxlan, all_zeros_mac, vni);  in vxlan_fdb_delete_default()
2447 		vxlan_fdb_destroy(vxlan, f, true);  in vxlan_fdb_delete_default()
2448 	spin_unlock_bh(&vxlan->hash_lock);  in vxlan_fdb_delete_default()
2453 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_uninit()  local
2455 	vxlan_fdb_delete_default(vxlan, vxlan->cfg.vni);  in vxlan_uninit()
2463 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_open()  local
2466 	ret = vxlan_sock_add(vxlan);  in vxlan_open()
2470 	if (vxlan_addr_multicast(&vxlan->default_dst.remote_ip)) {  in vxlan_open()
2471 		ret = vxlan_igmp_join(vxlan);  in vxlan_open()
2475 			vxlan_sock_release(vxlan);  in vxlan_open()
2480 	if (vxlan->cfg.age_interval)  in vxlan_open()
2481 		mod_timer(&vxlan->age_timer, jiffies + FDB_AGE_INTERVAL);  in vxlan_open()
2487 static void vxlan_flush(struct vxlan_dev *vxlan, bool do_all)  in vxlan_flush()  argument
2491 	spin_lock_bh(&vxlan->hash_lock);  in vxlan_flush()
2494 		hlist_for_each_safe(p, n, &vxlan->fdb_head[h]) {  in vxlan_flush()
2501 				vxlan_fdb_destroy(vxlan, f, true);  in vxlan_flush()
2504 	spin_unlock_bh(&vxlan->hash_lock);  in vxlan_flush()
2510 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_stop()  local
2511 	struct vxlan_net *vn = net_generic(vxlan->net, vxlan_net_id);  in vxlan_stop()
2514 	if (vxlan_addr_multicast(&vxlan->default_dst.remote_ip) &&  in vxlan_stop()
2515 	    !vxlan_group_used(vn, vxlan))  in vxlan_stop()
2516 		ret = vxlan_igmp_leave(vxlan);  in vxlan_stop()
2518 	del_timer_sync(&vxlan->age_timer);  in vxlan_stop()
2520 	vxlan_flush(vxlan, false);  in vxlan_stop()
2521 	vxlan_sock_release(vxlan);  in vxlan_stop()
2533 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_change_mtu()  local
2534 	struct vxlan_rdst *dst = &vxlan->default_dst;  in vxlan_change_mtu()
2535 	struct net_device *lowerdev = __dev_get_by_index(vxlan->net,  in vxlan_change_mtu()
2537 	bool use_ipv6 = !!(vxlan->cfg.flags & VXLAN_F_IPV6);  in vxlan_change_mtu()
2555 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fill_metadata_dst()  local
2559 	sport = udp_flow_src_port(dev_net(dev), skb, vxlan->cfg.port_min,  in vxlan_fill_metadata_dst()
2560 				  vxlan->cfg.port_max, true);  in vxlan_fill_metadata_dst()
2561 	dport = info->key.tp_dst ? : vxlan->cfg.dst_port;  in vxlan_fill_metadata_dst()
2564 		struct vxlan_sock *sock4 = rcu_dereference(vxlan->vn4_sock);  in vxlan_fill_metadata_dst()
2567 		rt = vxlan_get_route(vxlan, dev, sock4, skb, 0, info->key.tos,  in vxlan_fill_metadata_dst()
2576 		struct vxlan_sock *sock6 = rcu_dereference(vxlan->vn6_sock);  in vxlan_fill_metadata_dst()
2579 		ndst = vxlan6_get_route(vxlan, dev, sock6, skb, 0, info->key.tos,  in vxlan_fill_metadata_dst()
2661 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_setup()  local
2685 	INIT_LIST_HEAD(&vxlan->next);  in vxlan_setup()
2686 	spin_lock_init(&vxlan->hash_lock);  in vxlan_setup()
2688 	timer_setup(&vxlan->age_timer, vxlan_cleanup, TIMER_DEFERRABLE);  in vxlan_setup()
2690 	vxlan->dev = dev;  in vxlan_setup()
2692 	gro_cells_init(&vxlan->gro_cells, dev);  in vxlan_setup()
2695 		INIT_HLIST_HEAD(&vxlan->fdb_head[h]);  in vxlan_setup()
2892 static int __vxlan_sock_add(struct vxlan_dev *vxlan, bool ipv6)  in __vxlan_sock_add()  argument
2894 	struct vxlan_net *vn = net_generic(vxlan->net, vxlan_net_id);  in __vxlan_sock_add()
2898 	if (!vxlan->cfg.no_share) {  in __vxlan_sock_add()
2900 		vs = vxlan_find_sock(vxlan->net, ipv6 ? AF_INET6 : AF_INET,  in __vxlan_sock_add()
2901 				     vxlan->cfg.dst_port, vxlan->cfg.flags);  in __vxlan_sock_add()
2909 		vs = vxlan_socket_create(vxlan->net, ipv6,  in __vxlan_sock_add()
2910 					 vxlan->cfg.dst_port, vxlan->cfg.flags);  in __vxlan_sock_add()
2915 		rcu_assign_pointer(vxlan->vn6_sock, vs);  in __vxlan_sock_add()
2916 		node = &vxlan->hlist6;  in __vxlan_sock_add()
2920 		rcu_assign_pointer(vxlan->vn4_sock, vs);  in __vxlan_sock_add()
2921 		node = &vxlan->hlist4;  in __vxlan_sock_add()
2923 	vxlan_vs_add_dev(vs, vxlan, node);  in __vxlan_sock_add()
2927 static int vxlan_sock_add(struct vxlan_dev *vxlan)  in vxlan_sock_add()  argument
2929 	bool metadata = vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA;  in vxlan_sock_add()
2930 	bool ipv6 = vxlan->cfg.flags & VXLAN_F_IPV6 || metadata;  in vxlan_sock_add()
2934 	RCU_INIT_POINTER(vxlan->vn4_sock, NULL);  in vxlan_sock_add()
2936 	RCU_INIT_POINTER(vxlan->vn6_sock, NULL);  in vxlan_sock_add()
2938 		ret = __vxlan_sock_add(vxlan, true);  in vxlan_sock_add()
2944 		ret = __vxlan_sock_add(vxlan, false);  in vxlan_sock_add()
2946 		vxlan_sock_release(vxlan);  in vxlan_sock_add()
3118 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_config_apply()  local
3119 	struct vxlan_rdst *dst = &vxlan->default_dst;  in vxlan_config_apply()
3133 		vxlan->net = src_net;  in vxlan_config_apply()
3166 	memcpy(&vxlan->cfg, conf, sizeof(*conf));  in vxlan_config_apply()
3173 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_dev_configure()  local
3177 	ret = vxlan_config_validate(src_net, conf, &lowerdev, vxlan, extack);  in vxlan_dev_configure()
3191 	struct vxlan_dev *vxlan = netdev_priv(dev);  in __vxlan_dev_create()  local
3202 	if (!vxlan_addr_any(&vxlan->default_dst.remote_ip)) {  in __vxlan_dev_create()
3203 		err = vxlan_fdb_create(vxlan, all_zeros_mac,  in __vxlan_dev_create()
3204 				       &vxlan->default_dst.remote_ip,  in __vxlan_dev_create()
3206 				       vxlan->cfg.dst_port,  in __vxlan_dev_create()
3207 				       vxlan->default_dst.remote_vni,  in __vxlan_dev_create()
3208 				       vxlan->default_dst.remote_vni,  in __vxlan_dev_create()
3209 				       vxlan->default_dst.remote_ifindex,  in __vxlan_dev_create()
3227 		vxlan_fdb_notify(vxlan, f, first_remote_rtnl(f), RTM_NEWNEIGH);  in __vxlan_dev_create()
3229 	list_add(&vxlan->next, &vn->vxlan_list);  in __vxlan_dev_create()
3233 		vxlan_fdb_destroy(vxlan, f, false);  in __vxlan_dev_create()
3241 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_nl2conf()  local
3247 		memcpy(conf, &vxlan->cfg, sizeof(*conf));  in vxlan_nl2conf()
3465 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_changelink()  local
3466 	struct vxlan_rdst *dst = &vxlan->default_dst;  in vxlan_changelink()
3479 	err = vxlan_dev_configure(vxlan->net, dev, &conf, true, extack);  in vxlan_changelink()
3485 		spin_lock_bh(&vxlan->hash_lock);  in vxlan_changelink()
3487 			__vxlan_fdb_delete(vxlan, all_zeros_mac,  in vxlan_changelink()
3489 					   vxlan->cfg.dst_port,  in vxlan_changelink()
3495 			err = vxlan_fdb_create(vxlan, all_zeros_mac,  in vxlan_changelink()
3498 					       vxlan->cfg.dst_port,  in vxlan_changelink()
3504 				spin_unlock_bh(&vxlan->hash_lock);  in vxlan_changelink()
3507 			vxlan_fdb_notify(vxlan, f, first_remote_rtnl(f), RTM_NEWNEIGH);  in vxlan_changelink()
3509 		spin_unlock_bh(&vxlan->hash_lock);  in vxlan_changelink()
3517 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_dellink()  local
3519 	vxlan_flush(vxlan, true);  in vxlan_dellink()
3521 	gro_cells_destroy(&vxlan->gro_cells);  in vxlan_dellink()
3522 	list_del(&vxlan->next);  in vxlan_dellink()
3557 	const struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fill_info()  local
3558 	const struct vxlan_rdst *dst = &vxlan->default_dst;  in vxlan_fill_info()
3560 		.low =  htons(vxlan->cfg.port_min),  in vxlan_fill_info()
3561 		.high = htons(vxlan->cfg.port_max),  in vxlan_fill_info()
3584 	if (!vxlan_addr_any(&vxlan->cfg.saddr)) {  in vxlan_fill_info()
3585 		if (vxlan->cfg.saddr.sa.sa_family == AF_INET) {  in vxlan_fill_info()
3587 					    vxlan->cfg.saddr.sin.sin_addr.s_addr))  in vxlan_fill_info()
3592 					     &vxlan->cfg.saddr.sin6.sin6_addr))  in vxlan_fill_info()
3598 	if (nla_put_u8(skb, IFLA_VXLAN_TTL, vxlan->cfg.ttl) ||  in vxlan_fill_info()
3600 		       !!(vxlan->cfg.flags & VXLAN_F_TTL_INHERIT)) ||  in vxlan_fill_info()
3601 	    nla_put_u8(skb, IFLA_VXLAN_TOS, vxlan->cfg.tos) ||  in vxlan_fill_info()
3602 	    nla_put_be32(skb, IFLA_VXLAN_LABEL, vxlan->cfg.label) ||  in vxlan_fill_info()
3604 			!!(vxlan->cfg.flags & VXLAN_F_LEARN)) ||  in vxlan_fill_info()
3606 			!!(vxlan->cfg.flags & VXLAN_F_PROXY)) ||  in vxlan_fill_info()
3608 		       !!(vxlan->cfg.flags & VXLAN_F_RSC)) ||  in vxlan_fill_info()
3610 			!!(vxlan->cfg.flags & VXLAN_F_L2MISS)) ||  in vxlan_fill_info()
3612 			!!(vxlan->cfg.flags & VXLAN_F_L3MISS)) ||  in vxlan_fill_info()
3614 		       !!(vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA)) ||  in vxlan_fill_info()
3615 	    nla_put_u32(skb, IFLA_VXLAN_AGEING, vxlan->cfg.age_interval) ||  in vxlan_fill_info()
3616 	    nla_put_u32(skb, IFLA_VXLAN_LIMIT, vxlan->cfg.addrmax) ||  in vxlan_fill_info()
3617 	    nla_put_be16(skb, IFLA_VXLAN_PORT, vxlan->cfg.dst_port) ||  in vxlan_fill_info()
3619 			!(vxlan->cfg.flags & VXLAN_F_UDP_ZERO_CSUM_TX)) ||  in vxlan_fill_info()
3621 			!!(vxlan->cfg.flags & VXLAN_F_UDP_ZERO_CSUM6_TX)) ||  in vxlan_fill_info()
3623 			!!(vxlan->cfg.flags & VXLAN_F_UDP_ZERO_CSUM6_RX)) ||  in vxlan_fill_info()
3625 			!!(vxlan->cfg.flags & VXLAN_F_REMCSUM_TX)) ||  in vxlan_fill_info()
3627 			!!(vxlan->cfg.flags & VXLAN_F_REMCSUM_RX)))  in vxlan_fill_info()
3633 	if (vxlan->cfg.flags & VXLAN_F_GBP &&  in vxlan_fill_info()
3637 	if (vxlan->cfg.flags & VXLAN_F_GPE &&  in vxlan_fill_info()
3641 	if (vxlan->cfg.flags & VXLAN_F_REMCSUM_NOPARTIAL &&  in vxlan_fill_info()
3653 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_get_link_net()  local
3655 	return vxlan->net;  in vxlan_get_link_net()
3710 	struct vxlan_dev *vxlan, *next;  in vxlan_handle_lowerdev_unregister()  local
3713 	list_for_each_entry_safe(vxlan, next, &vn->vxlan_list, next) {  in vxlan_handle_lowerdev_unregister()
3714 		struct vxlan_rdst *dst = &vxlan->default_dst;  in vxlan_handle_lowerdev_unregister()
3723 			vxlan_dellink(vxlan->dev, &list_kill);  in vxlan_handle_lowerdev_unregister()
3769 	struct vxlan_dev *vxlan, *next;  in vxlan_destroy_tunnels()  local
3777 	list_for_each_entry_safe(vxlan, next, &vn->vxlan_list, next) {  in vxlan_destroy_tunnels()
3781 		if (!net_eq(dev_net(vxlan->dev), net)) {  in vxlan_destroy_tunnels()
3782 			gro_cells_destroy(&vxlan->gro_cells);  in vxlan_destroy_tunnels()
3783 			unregister_netdevice_queue(vxlan->dev, head);  in vxlan_destroy_tunnels()