62 static int vxlan_sock_add(struct vxlan_dev *vxlan);
64 static void vxlan_vs_del_dev(struct vxlan_dev *vxlan);
109 		if (!node->vxlan)  in vxlan_vs_find_vni()
112 		if (node->vxlan->cfg.flags & VXLAN_F_VNIFILTER) {  in vxlan_vs_find_vni()
113 			vnode = vxlan_vnifilter_lookup(node->vxlan, vni);  in vxlan_vs_find_vni()
116 		} else if (node->vxlan->default_dst.remote_vni != vni) {  in vxlan_vs_find_vni()
121 			const struct vxlan_config *cfg = &node->vxlan->cfg;  in vxlan_vs_find_vni()
130 		return node->vxlan;  in vxlan_vs_find_vni()
151 static int vxlan_fdb_info(struct sk_buff *skb, struct vxlan_dev *vxlan,  in vxlan_fdb_info()  argument
193 	ndm->ndm_ifindex = vxlan->dev->ifindex;  in vxlan_fdb_info()
199 	if (!net_eq(dev_net(vxlan->dev), vxlan->net) &&  in vxlan_fdb_info()
201 			peernet2id(dev_net(vxlan->dev), vxlan->net)))  in vxlan_fdb_info()
215 		    rdst->remote_port != vxlan->cfg.dst_port &&  in vxlan_fdb_info()
218 		if (rdst->remote_vni != vxlan->default_dst.remote_vni &&  in vxlan_fdb_info()
226 	if ((vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA) && fdb->vni &&  in vxlan_fdb_info()
259 static void __vxlan_fdb_notify(struct vxlan_dev *vxlan, struct vxlan_fdb *fdb,  in __vxlan_fdb_notify()  argument
262 	struct net *net = dev_net(vxlan->dev);  in __vxlan_fdb_notify()
270 	err = vxlan_fdb_info(skb, vxlan, fdb, 0, 0, type, 0, rd);  in __vxlan_fdb_notify()
284 static void vxlan_fdb_switchdev_notifier_info(const struct vxlan_dev *vxlan,  in vxlan_fdb_switchdev_notifier_info()  argument
290 	fdb_info->info.dev = vxlan->dev;  in vxlan_fdb_switchdev_notifier_info()
302 static int vxlan_fdb_switchdev_call_notifiers(struct vxlan_dev *vxlan,  in vxlan_fdb_switchdev_call_notifiers()  argument
317 	vxlan_fdb_switchdev_notifier_info(vxlan, fdb, rd, NULL, &info);  in vxlan_fdb_switchdev_call_notifiers()
318 	ret = call_switchdev_notifiers(notifier_type, vxlan->dev,  in vxlan_fdb_switchdev_call_notifiers()
323 static int vxlan_fdb_notify(struct vxlan_dev *vxlan, struct vxlan_fdb *fdb,  in vxlan_fdb_notify()  argument
332 			err = vxlan_fdb_switchdev_call_notifiers(vxlan, fdb, rd,  in vxlan_fdb_notify()
338 			vxlan_fdb_switchdev_call_notifiers(vxlan, fdb, rd,  in vxlan_fdb_notify()
344 	__vxlan_fdb_notify(vxlan, fdb, rd, type);  in vxlan_fdb_notify()
350 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_ip_miss()  local
359 	vxlan_fdb_notify(vxlan, &f, &remote, RTM_GETNEIGH, true, NULL);  in vxlan_ip_miss()
362 static void vxlan_fdb_miss(struct vxlan_dev *vxlan, const u8 eth_addr[ETH_ALEN])  in vxlan_fdb_miss()  argument
371 	vxlan_fdb_notify(vxlan, &f, &remote, RTM_GETNEIGH, true, NULL);  in vxlan_fdb_miss()
396 u32 fdb_head_index(struct vxlan_dev *vxlan, const u8 *mac, __be32 vni)  in fdb_head_index()  argument
398 	if (vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA)  in fdb_head_index()
405 static inline struct hlist_head *vxlan_fdb_head(struct vxlan_dev *vxlan,  in vxlan_fdb_head()  argument
408 	return &vxlan->fdb_head[fdb_head_index(vxlan, mac, vni)];  in vxlan_fdb_head()
412 static struct vxlan_fdb *__vxlan_find_mac(struct vxlan_dev *vxlan,  in __vxlan_find_mac()  argument
415 	struct hlist_head *head = vxlan_fdb_head(vxlan, mac, vni);  in __vxlan_find_mac()
420 			if (vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA) {  in __vxlan_find_mac()
432 static struct vxlan_fdb *vxlan_find_mac(struct vxlan_dev *vxlan,  in vxlan_find_mac()  argument
437 	f = __vxlan_find_mac(vxlan, mac, vni);  in vxlan_find_mac()
469 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fdb_find_uc()  local
483 	f = __vxlan_find_mac(vxlan, eth_addr, vni);  in vxlan_fdb_find_uc()
490 	vxlan_fdb_switchdev_notifier_info(vxlan, f, rdst, NULL, fdb_info);  in vxlan_fdb_find_uc()
499 				const struct vxlan_dev *vxlan,  in vxlan_fdb_notify_one()  argument
507 	vxlan_fdb_switchdev_notifier_info(vxlan, f, rdst, extack, &fdb_info);  in vxlan_fdb_notify_one()
517 	struct vxlan_dev *vxlan;  in vxlan_fdb_replay()  local
525 	vxlan = netdev_priv(dev);  in vxlan_fdb_replay()
528 		spin_lock_bh(&vxlan->hash_lock[h]);  in vxlan_fdb_replay()
529 		hlist_for_each_entry(f, &vxlan->fdb_head[h], hlist) {  in vxlan_fdb_replay()
532 					rc = vxlan_fdb_notify_one(nb, vxlan,  in vxlan_fdb_replay()
540 		spin_unlock_bh(&vxlan->hash_lock[h]);  in vxlan_fdb_replay()
545 	spin_unlock_bh(&vxlan->hash_lock[h]);  in vxlan_fdb_replay()
552 	struct vxlan_dev *vxlan;  in vxlan_fdb_clear_offload()  local
559 	vxlan = netdev_priv(dev);  in vxlan_fdb_clear_offload()
562 		spin_lock_bh(&vxlan->hash_lock[h]);  in vxlan_fdb_clear_offload()
563 		hlist_for_each_entry(f, &vxlan->fdb_head[h], hlist)  in vxlan_fdb_clear_offload()
567 		spin_unlock_bh(&vxlan->hash_lock[h]);  in vxlan_fdb_clear_offload()
797 static struct vxlan_fdb *vxlan_fdb_alloc(struct vxlan_dev *vxlan, const u8 *mac,  in vxlan_fdb_alloc()  argument
811 	RCU_INIT_POINTER(f->vdev, vxlan);  in vxlan_fdb_alloc()
819 static void vxlan_fdb_insert(struct vxlan_dev *vxlan, const u8 *mac,  in vxlan_fdb_insert()  argument
822 	++vxlan->addrcnt;  in vxlan_fdb_insert()
824 			   vxlan_fdb_head(vxlan, mac, src_vni));  in vxlan_fdb_insert()
827 static int vxlan_fdb_nh_update(struct vxlan_dev *vxlan, struct vxlan_fdb *fdb,  in vxlan_fdb_nh_update()  argument
837 	nh = nexthop_find_by_id(vxlan->net, nhid);  in vxlan_fdb_nh_update()
859 	switch (vxlan->default_dst.remote_ip.sa.sa_family) {  in vxlan_fdb_nh_update()
889 int vxlan_fdb_create(struct vxlan_dev *vxlan,  in vxlan_fdb_create()  argument
900 	if (vxlan->cfg.addrmax &&  in vxlan_fdb_create()
901 	    vxlan->addrcnt >= vxlan->cfg.addrmax)  in vxlan_fdb_create()
904 	netdev_dbg(vxlan->dev, "add %pM -> %pIS\n", mac, ip);  in vxlan_fdb_create()
905 	f = vxlan_fdb_alloc(vxlan, mac, state, src_vni, ndm_flags);  in vxlan_fdb_create()
910 		rc = vxlan_fdb_nh_update(vxlan, f, nhid, extack);  in vxlan_fdb_create()
951 static void vxlan_fdb_destroy(struct vxlan_dev *vxlan, struct vxlan_fdb *f,  in vxlan_fdb_destroy()  argument
956 	netdev_dbg(vxlan->dev, "delete %pM\n", f->eth_addr);  in vxlan_fdb_destroy()
958 	--vxlan->addrcnt;  in vxlan_fdb_destroy()
961 			vxlan_fdb_notify(vxlan, f, NULL, RTM_DELNEIGH,  in vxlan_fdb_destroy()
965 				vxlan_fdb_notify(vxlan, f, rd, RTM_DELNEIGH,  in vxlan_fdb_destroy()
982 static int vxlan_fdb_update_existing(struct vxlan_dev *vxlan,  in vxlan_fdb_update_existing()  argument
1030 				rc = vxlan_fdb_nh_update(vxlan, f, nhid, extack);  in vxlan_fdb_update_existing()
1061 		err = vxlan_fdb_notify(vxlan, f, rd, RTM_NEWNEIGH,  in vxlan_fdb_update_existing()
1081 static int vxlan_fdb_update_create(struct vxlan_dev *vxlan,  in vxlan_fdb_update_create()  argument
1098 	netdev_dbg(vxlan->dev, "add %pM -> %pIS\n", mac, ip);  in vxlan_fdb_update_create()
1099 	rc = vxlan_fdb_create(vxlan, mac, ip, state, port, src_vni,  in vxlan_fdb_update_create()
1104 	vxlan_fdb_insert(vxlan, mac, src_vni, f);  in vxlan_fdb_update_create()
1105 	rc = vxlan_fdb_notify(vxlan, f, first_remote_rtnl(f), RTM_NEWNEIGH,  in vxlan_fdb_update_create()
1113 	vxlan_fdb_destroy(vxlan, f, false, false);  in vxlan_fdb_update_create()
1118 int vxlan_fdb_update(struct vxlan_dev *vxlan,  in vxlan_fdb_update()  argument
1128 	f = __vxlan_find_mac(vxlan, mac, src_vni);  in vxlan_fdb_update()
1131 			netdev_dbg(vxlan->dev,  in vxlan_fdb_update()
1136 		return vxlan_fdb_update_existing(vxlan, ip, state, flags, port,  in vxlan_fdb_update()
1143 		return vxlan_fdb_update_create(vxlan, mac, ip, state, flags,  in vxlan_fdb_update()
1150 static void vxlan_fdb_dst_destroy(struct vxlan_dev *vxlan, struct vxlan_fdb *f,  in vxlan_fdb_dst_destroy()  argument
1154 	vxlan_fdb_notify(vxlan, f, rd, RTM_DELNEIGH, swdev_notify, NULL);  in vxlan_fdb_dst_destroy()
1158 static int vxlan_fdb_parse(struct nlattr *tb[], struct vxlan_dev *vxlan,  in vxlan_fdb_parse()  argument
1163 	struct net *net = dev_net(vxlan->dev);  in vxlan_fdb_parse()
1179 		union vxlan_addr *remote = &vxlan->default_dst.remote_ip;  in vxlan_fdb_parse()
1199 		*port = vxlan->cfg.dst_port;  in vxlan_fdb_parse()
1209 		*vni = vxlan->default_dst.remote_vni;  in vxlan_fdb_parse()
1219 		*src_vni = vxlan->default_dst.remote_vni;  in vxlan_fdb_parse()
1250 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fdb_add()  local
1268 	err = vxlan_fdb_parse(tb, vxlan, &ip, &port, &src_vni, &vni, &ifindex,  in vxlan_fdb_add()
1273 	if (vxlan->default_dst.remote_ip.sa.sa_family != ip.sa.sa_family)  in vxlan_fdb_add()
1276 	hash_index = fdb_head_index(vxlan, addr, src_vni);  in vxlan_fdb_add()
1277 	spin_lock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_add()
1278 	err = vxlan_fdb_update(vxlan, addr, &ip, ndm->ndm_state, flags,  in vxlan_fdb_add()
1282 	spin_unlock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_add()
1290 int __vxlan_fdb_delete(struct vxlan_dev *vxlan,  in __vxlan_fdb_delete()  argument
1299 	f = __vxlan_find_mac(vxlan, addr, src_vni);  in __vxlan_fdb_delete()
1313 		vxlan_fdb_dst_destroy(vxlan, f, rd, swdev_notify);  in __vxlan_fdb_delete()
1317 	vxlan_fdb_destroy(vxlan, f, true, swdev_notify);  in __vxlan_fdb_delete()
1329 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fdb_delete()  local
1337 	err = vxlan_fdb_parse(tb, vxlan, &ip, &port, &src_vni, &vni, &ifindex,  in vxlan_fdb_delete()
1342 	hash_index = fdb_head_index(vxlan, addr, src_vni);  in vxlan_fdb_delete()
1343 	spin_lock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_delete()
1344 	err = __vxlan_fdb_delete(vxlan, addr, ip, port, src_vni, vni, ifindex,  in vxlan_fdb_delete()
1346 	spin_unlock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_delete()
1360 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fdb_dump()  local
1368 		hlist_for_each_entry_rcu(f, &vxlan->fdb_head[h], hlist) {  in vxlan_fdb_dump()
1374 				err = vxlan_fdb_info(skb, vxlan, f,  in vxlan_fdb_dump()
1392 				err = vxlan_fdb_info(skb, vxlan, f,  in vxlan_fdb_dump()
1418 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fdb_get()  local
1426 		vni = vxlan->default_dst.remote_vni;  in vxlan_fdb_get()
1430 	f = __vxlan_find_mac(vxlan, addr, vni);  in vxlan_fdb_get()
1437 	err = vxlan_fdb_info(skb, vxlan, f, portid, seq,  in vxlan_fdb_get()
1452 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_snoop()  local
1466 	f = __vxlan_find_mac(vxlan, src_mac, vni);  in vxlan_snoop()
1492 		vxlan_fdb_notify(vxlan, f, rdst, RTM_NEWNEIGH, true, NULL);  in vxlan_snoop()
1494 		u32 hash_index = fdb_head_index(vxlan, src_mac, vni);  in vxlan_snoop()
1497 		spin_lock(&vxlan->hash_lock[hash_index]);  in vxlan_snoop()
1501 			vxlan_fdb_update(vxlan, src_mac, src_ip,  in vxlan_snoop()
1504 					 vxlan->cfg.dst_port,  in vxlan_snoop()
1506 					 vxlan->default_dst.remote_vni,  in vxlan_snoop()
1508 		spin_unlock(&vxlan->hash_lock[hash_index]);  in vxlan_snoop()
1535 static void vxlan_sock_release(struct vxlan_dev *vxlan)  in vxlan_sock_release()  argument
1537 	struct vxlan_sock *sock4 = rtnl_dereference(vxlan->vn4_sock);  in vxlan_sock_release()
1539 	struct vxlan_sock *sock6 = rtnl_dereference(vxlan->vn6_sock);  in vxlan_sock_release()
1541 	RCU_INIT_POINTER(vxlan->vn6_sock, NULL);  in vxlan_sock_release()
1544 	RCU_INIT_POINTER(vxlan->vn4_sock, NULL);  in vxlan_sock_release()
1547 	if (vxlan->cfg.flags & VXLAN_F_VNIFILTER)  in vxlan_sock_release()
1548 		vxlan_vs_del_vnigrp(vxlan);  in vxlan_sock_release()
1550 		vxlan_vs_del_dev(vxlan);  in vxlan_sock_release()
1617 static enum skb_drop_reason vxlan_set_mac(struct vxlan_dev *vxlan,  in vxlan_set_mac()  argument
1625 	skb->protocol = eth_type_trans(skb, vxlan->dev);  in vxlan_set_mac()
1629 	if (ether_addr_equal(eth_hdr(skb)->h_source, vxlan->dev->dev_addr))  in vxlan_set_mac()
1643 	if (!(vxlan->cfg.flags & VXLAN_F_LEARN))  in vxlan_set_mac()
1678 	struct vxlan_dev *vxlan;  in vxlan_rcv()  local
1710 	vxlan = vxlan_vs_find_vni(vs, skb->dev->ifindex, vni, &vninode);  in vxlan_rcv()
1711 	if (!vxlan) {  in vxlan_rcv()
1716 	if (vh->vx_flags & vxlan->cfg.reserved_bits.vx_flags ||  in vxlan_rcv()
1717 	    vh->vx_vni & vxlan->cfg.reserved_bits.vx_vni) {  in vxlan_rcv()
1727 		DEV_STATS_INC(vxlan->dev, rx_frame_errors);  in vxlan_rcv()
1728 		DEV_STATS_INC(vxlan->dev, rx_errors);  in vxlan_rcv()
1729 		vxlan_vnifilter_count(vxlan, vni, vninode,  in vxlan_rcv()
1734 	if (vxlan->cfg.flags & VXLAN_F_GPE) {  in vxlan_rcv()
1741 				   !net_eq(vxlan->net, dev_net(vxlan->dev)))) {  in vxlan_rcv()
1746 	if (vxlan->cfg.flags & VXLAN_F_REMCSUM_RX) {  in vxlan_rcv()
1747 		reason = vxlan_remcsum(skb, vxlan->cfg.flags);  in vxlan_rcv()
1772 	if (vxlan->cfg.flags & VXLAN_F_GBP)  in vxlan_rcv()
1773 		vxlan_parse_gbp_hdr(skb, vxlan->cfg.flags, md);  in vxlan_rcv()
1779 		reason = vxlan_set_mac(vxlan, vs, skb, vni);  in vxlan_rcv()
1784 		skb->dev = vxlan->dev;  in vxlan_rcv()
1798 		DEV_STATS_INC(vxlan->dev, rx_length_errors);  in vxlan_rcv()
1799 		DEV_STATS_INC(vxlan->dev, rx_errors);  in vxlan_rcv()
1800 		vxlan_vnifilter_count(vxlan, vni, vninode,  in vxlan_rcv()
1810 		DEV_STATS_INC(vxlan->dev, rx_frame_errors);  in vxlan_rcv()
1811 		DEV_STATS_INC(vxlan->dev, rx_errors);  in vxlan_rcv()
1812 		vxlan_vnifilter_count(vxlan, vni, vninode,  in vxlan_rcv()
1819 	if (unlikely(!(vxlan->dev->flags & IFF_UP))) {  in vxlan_rcv()
1821 		dev_dstats_rx_dropped(vxlan->dev);  in vxlan_rcv()
1822 		vxlan_vnifilter_count(vxlan, vni, vninode,  in vxlan_rcv()
1828 	dev_dstats_rx_add(vxlan->dev, skb->len);  in vxlan_rcv()
1829 	vxlan_vnifilter_count(vxlan, vni, vninode, VXLAN_VNI_STATS_RX, skb->len);  in vxlan_rcv()
1830 	gro_cells_receive(&vxlan->gro_cells, skb);  in vxlan_rcv()
1845 	struct vxlan_dev *vxlan;  in vxlan_err_lookup()  local
1863 	vxlan = vxlan_vs_find_vni(vs, skb->dev->ifindex, vni, NULL);  in vxlan_err_lookup()
1864 	if (!vxlan)  in vxlan_err_lookup()
1872 	struct vxlan_dev *vxlan = netdev_priv(dev);  in arp_reduce()  local
1883 		vxlan_vnifilter_count(vxlan, vni, NULL,  in arp_reduce()
1919 		f = vxlan_find_mac(vxlan, n->ha, vni);  in arp_reduce()
1941 			vxlan_vnifilter_count(vxlan, vni, NULL,  in arp_reduce()
1945 	} else if (vxlan->cfg.flags & VXLAN_F_L3MISS) {  in arp_reduce()
2052 	struct vxlan_dev *vxlan = netdev_priv(dev);  in neigh_reduce()  local
2083 		f = vxlan_find_mac(vxlan, n->ha, vni);  in neigh_reduce()
2100 			vxlan_vnifilter_count(vxlan, vni, NULL,  in neigh_reduce()
2103 	} else if (vxlan->cfg.flags & VXLAN_F_L3MISS) {  in neigh_reduce()
2121 	struct vxlan_dev *vxlan = netdev_priv(dev);  in route_shortcircuit()  local
2137 		if (!n && (vxlan->cfg.flags & VXLAN_F_L3MISS)) {  in route_shortcircuit()
2158 		if (!n && (vxlan->cfg.flags & VXLAN_F_L3MISS)) {  in route_shortcircuit()
2318 				 struct vxlan_dev *vxlan,  in encap_bypass_if_local()  argument
2334 	    vxlan->cfg.flags & VXLAN_F_LOCALBYPASS) {  in encap_bypass_if_local()
2338 		dst_vxlan = vxlan_find_vni(vxlan->net, dst_ifindex, vni,  in encap_bypass_if_local()
2340 					   vxlan->cfg.flags);  in encap_bypass_if_local()
2343 			vxlan_vnifilter_count(vxlan, vni, NULL,  in encap_bypass_if_local()
2349 		vxlan_encap_bypass(skb, vxlan, dst_vxlan, vni, true);  in encap_bypass_if_local()
2363 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_xmit_one()  local
2374 	u32 flags = vxlan->cfg.flags;  in vxlan_xmit_one()
2377 	bool xnet = !net_eq(vxlan->net, dev_net(vxlan->dev));  in vxlan_xmit_one()
2400 				vxlan_encap_bypass(skb, vxlan, vxlan,  in vxlan_xmit_one()
2407 		addr_family = vxlan->cfg.saddr.sa.sa_family;  in vxlan_xmit_one()
2408 		dst_port = rdst->remote_port ? rdst->remote_port : vxlan->cfg.dst_port;  in vxlan_xmit_one()
2413 			key.u.ipv4.src = vxlan->cfg.saddr.sin.sin_addr.s_addr;  in vxlan_xmit_one()
2416 			key.u.ipv6.src = vxlan->cfg.saddr.sin6.sin6_addr;  in vxlan_xmit_one()
2425 			ttl = vxlan->cfg.ttl;  in vxlan_xmit_one()
2429 		tos = vxlan->cfg.tos;  in vxlan_xmit_one()
2440 		switch (vxlan->cfg.label_policy) {  in vxlan_xmit_one()
2442 			key.label = vxlan->cfg.label;  in vxlan_xmit_one()
2460 		dst_port = info->key.tp_dst ? : vxlan->cfg.dst_port;  in vxlan_xmit_one()
2473 	src_port = udp_flow_src_port(dev_net(dev), skb, vxlan->cfg.port_min,  in vxlan_xmit_one()
2474 				     vxlan->cfg.port_max, true);  in vxlan_xmit_one()
2478 		struct vxlan_sock *sock4 = rcu_dereference(vxlan->vn4_sock);  in vxlan_xmit_one()
2486 		rt = udp_tunnel_dst_lookup(skb, dev, vxlan->net, ifindex,  in vxlan_xmit_one()
2497 			err = encap_bypass_if_local(skb, dev, vxlan, AF_INET,  in vxlan_xmit_one()
2503 			if (vxlan->cfg.df == VXLAN_DF_SET) {  in vxlan_xmit_one()
2505 			} else if (vxlan->cfg.df == VXLAN_DF_INHERIT) {  in vxlan_xmit_one()
2534 			vxlan_encap_bypass(skb, vxlan, vxlan, vni, false);  in vxlan_xmit_one()
2553 		struct vxlan_sock *sock6 = rcu_dereference(vxlan->vn6_sock);  in vxlan_xmit_one()
2559 		ndst = udp_tunnel6_dst_lookup(skb, dev, vxlan->net, sock6->sock,  in vxlan_xmit_one()
2573 			err = encap_bypass_if_local(skb, dev, vxlan, AF_INET6,  in vxlan_xmit_one()
2597 			vxlan_encap_bypass(skb, vxlan, vxlan, vni, false);  in vxlan_xmit_one()
2617 	vxlan_vnifilter_count(vxlan, vni, NULL, VXLAN_VNI_STATS_TX, pkt_len);  in vxlan_xmit_one()
2624 	vxlan_vnifilter_count(vxlan, vni, NULL, VXLAN_VNI_STATS_TX_DROPS, 0);  in vxlan_xmit_one()
2636 	vxlan_vnifilter_count(vxlan, vni, NULL, VXLAN_VNI_STATS_TX_ERRORS, 0);  in vxlan_xmit_one()
2677 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_xmit_nhid()  local
2695 	if (vxlan->cfg.saddr.sa.sa_family != nh_rdst.remote_ip.sa.sa_family)  in vxlan_xmit_nhid()
2721 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_xmit()  local
2734 	if (vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA) {  in vxlan_xmit()
2748 	if (vxlan->cfg.flags & VXLAN_F_PROXY) {  in vxlan_xmit()
2769 	if (vxlan->cfg.flags & VXLAN_F_MDB) {  in vxlan_xmit()
2773 		mdb_entry = vxlan_mdb_entry_skb_get(vxlan, skb, vni);  in vxlan_xmit()
2777 			ret = vxlan_mdb_xmit(vxlan, mdb_entry, skb);  in vxlan_xmit()
2785 	f = vxlan_find_mac(vxlan, eth->h_dest, vni);  in vxlan_xmit()
2788 	if (f && (f->flags & NTF_ROUTER) && (vxlan->cfg.flags & VXLAN_F_RSC) &&  in vxlan_xmit()
2793 			f = vxlan_find_mac(vxlan, eth->h_dest, vni);  in vxlan_xmit()
2797 		f = vxlan_find_mac(vxlan, all_zeros_mac, vni);  in vxlan_xmit()
2799 			if ((vxlan->cfg.flags & VXLAN_F_L2MISS) &&  in vxlan_xmit()
2801 				vxlan_fdb_miss(vxlan, eth->h_dest);  in vxlan_xmit()
2804 			vxlan_vnifilter_count(vxlan, vni, NULL,  in vxlan_xmit()
2813 			      (vni ? : vxlan->default_dst.remote_vni), did_rsc);  in vxlan_xmit()
2838 	struct vxlan_dev *vxlan = from_timer(vxlan, t, age_timer);  in vxlan_cleanup()  local
2842 	if (!netif_running(vxlan->dev))  in vxlan_cleanup()
2848 		spin_lock(&vxlan->hash_lock[h]);  in vxlan_cleanup()
2849 		hlist_for_each_safe(p, n, &vxlan->fdb_head[h]) {  in vxlan_cleanup()
2860 			timeout = READ_ONCE(f->updated) + vxlan->cfg.age_interval * HZ;  in vxlan_cleanup()
2862 				netdev_dbg(vxlan->dev,  in vxlan_cleanup()
2866 				vxlan_fdb_destroy(vxlan, f, true, true);  in vxlan_cleanup()
2870 		spin_unlock(&vxlan->hash_lock[h]);  in vxlan_cleanup()
2873 	mod_timer(&vxlan->age_timer, next_timer);  in vxlan_cleanup()
2876 static void vxlan_vs_del_dev(struct vxlan_dev *vxlan)  in vxlan_vs_del_dev()  argument
2878 	struct vxlan_net *vn = net_generic(vxlan->net, vxlan_net_id);  in vxlan_vs_del_dev()
2881 	hlist_del_init_rcu(&vxlan->hlist4.hlist);  in vxlan_vs_del_dev()
2883 	hlist_del_init_rcu(&vxlan->hlist6.hlist);  in vxlan_vs_del_dev()
2888 static void vxlan_vs_add_dev(struct vxlan_sock *vs, struct vxlan_dev *vxlan,  in vxlan_vs_add_dev()  argument
2891 	struct vxlan_net *vn = net_generic(vxlan->net, vxlan_net_id);  in vxlan_vs_add_dev()
2892 	__be32 vni = vxlan->default_dst.remote_vni;  in vxlan_vs_add_dev()
2894 	node->vxlan = vxlan;  in vxlan_vs_add_dev()
2903 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_init()  local
2906 	if (vxlan->cfg.flags & VXLAN_F_VNIFILTER) {  in vxlan_init()
2907 		err = vxlan_vnigroup_init(vxlan);  in vxlan_init()
2912 	err = gro_cells_init(&vxlan->gro_cells, dev);  in vxlan_init()
2916 	err = vxlan_mdb_init(vxlan);  in vxlan_init()
2924 	gro_cells_destroy(&vxlan->gro_cells);  in vxlan_init()
2926 	if (vxlan->cfg.flags & VXLAN_F_VNIFILTER)  in vxlan_init()
2927 		vxlan_vnigroup_uninit(vxlan);  in vxlan_init()
2931 static void vxlan_fdb_delete_default(struct vxlan_dev *vxlan, __be32 vni)  in vxlan_fdb_delete_default()  argument
2934 	u32 hash_index = fdb_head_index(vxlan, all_zeros_mac, vni);  in vxlan_fdb_delete_default()
2936 	spin_lock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_delete_default()
2937 	f = __vxlan_find_mac(vxlan, all_zeros_mac, vni);  in vxlan_fdb_delete_default()
2939 		vxlan_fdb_destroy(vxlan, f, true, true);  in vxlan_fdb_delete_default()
2940 	spin_unlock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_delete_default()
2945 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_uninit()  local
2947 	vxlan_mdb_fini(vxlan);  in vxlan_uninit()
2949 	if (vxlan->cfg.flags & VXLAN_F_VNIFILTER)  in vxlan_uninit()
2950 		vxlan_vnigroup_uninit(vxlan);  in vxlan_uninit()
2952 	gro_cells_destroy(&vxlan->gro_cells);  in vxlan_uninit()
2954 	vxlan_fdb_delete_default(vxlan, vxlan->cfg.vni);  in vxlan_uninit()
2960 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_open()  local
2963 	ret = vxlan_sock_add(vxlan);  in vxlan_open()
2967 	ret = vxlan_multicast_join(vxlan);  in vxlan_open()
2969 		vxlan_sock_release(vxlan);  in vxlan_open()
2973 	if (vxlan->cfg.age_interval)  in vxlan_open()
2974 		mod_timer(&vxlan->age_timer, jiffies + FDB_AGE_INTERVAL);  in vxlan_open()
2993 				       const struct vxlan_dev *vxlan)  in vxlan_fdb_is_default_entry()  argument
2995 	return is_zero_ether_addr(f->eth_addr) && f->vni == vxlan->cfg.vni;  in vxlan_fdb_is_default_entry()
3006 				    const struct vxlan_dev *vxlan,  in vxlan_fdb_flush_matches()  argument
3015 	if (desc->ignore_default_entry && vxlan_fdb_is_default_entry(f, vxlan))  in vxlan_fdb_flush_matches()
3051 vxlan_fdb_flush_match_remotes(struct vxlan_fdb *f, struct vxlan_dev *vxlan,  in vxlan_fdb_flush_match_remotes()  argument
3062 		vxlan_fdb_dst_destroy(vxlan, f, rd, true);  in vxlan_fdb_flush_match_remotes()
3070 static void vxlan_flush(struct vxlan_dev *vxlan,  in vxlan_flush()  argument
3079 		spin_lock_bh(&vxlan->hash_lock[h]);  in vxlan_flush()
3080 		hlist_for_each_safe(p, n, &vxlan->fdb_head[h]) {  in vxlan_flush()
3084 			if (!vxlan_fdb_flush_matches(f, vxlan, desc))  in vxlan_flush()
3090 				vxlan_fdb_flush_match_remotes(f, vxlan, desc,  in vxlan_flush()
3097 			vxlan_fdb_destroy(vxlan, f, true, true);  in vxlan_flush()
3099 		spin_unlock_bh(&vxlan->hash_lock[h]);  in vxlan_flush()
3122 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fdb_delete_bulk()  local
3178 	vxlan_flush(vxlan, &desc);  in vxlan_fdb_delete_bulk()
3186 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_stop()  local
3194 	vxlan_multicast_leave(vxlan);  in vxlan_stop()
3196 	timer_delete_sync(&vxlan->age_timer);  in vxlan_stop()
3198 	vxlan_flush(vxlan, &desc);  in vxlan_stop()
3199 	vxlan_sock_release(vxlan);  in vxlan_stop()
3211 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_change_mtu()  local
3212 	struct vxlan_rdst *dst = &vxlan->default_dst;  in vxlan_change_mtu()
3213 	struct net_device *lowerdev = __dev_get_by_index(vxlan->net,  in vxlan_change_mtu()
3220 		int max_mtu = lowerdev->mtu - vxlan_headroom(vxlan->cfg.flags);  in vxlan_change_mtu()
3231 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fill_metadata_dst()  local
3235 	sport = udp_flow_src_port(dev_net(dev), skb, vxlan->cfg.port_min,  in vxlan_fill_metadata_dst()
3236 				  vxlan->cfg.port_max, true);  in vxlan_fill_metadata_dst()
3237 	dport = info->key.tp_dst ? : vxlan->cfg.dst_port;  in vxlan_fill_metadata_dst()
3240 		struct vxlan_sock *sock4 = rcu_dereference(vxlan->vn4_sock);  in vxlan_fill_metadata_dst()
3246 		rt = udp_tunnel_dst_lookup(skb, dev, vxlan->net, 0,  in vxlan_fill_metadata_dst()
3256 		struct vxlan_sock *sock6 = rcu_dereference(vxlan->vn6_sock);  in vxlan_fill_metadata_dst()
3262 		ndst = udp_tunnel6_dst_lookup(skb, dev, vxlan->net, sock6->sock,  in vxlan_fill_metadata_dst()
3350 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_setup()  local
3377 	INIT_LIST_HEAD(&vxlan->next);  in vxlan_setup()
3379 	timer_setup(&vxlan->age_timer, vxlan_cleanup, TIMER_DEFERRABLE);  in vxlan_setup()
3381 	vxlan->dev = dev;  in vxlan_setup()
3384 		spin_lock_init(&vxlan->hash_lock[h]);  in vxlan_setup()
3385 		INIT_HLIST_HEAD(&vxlan->fdb_head[h]);  in vxlan_setup()
3520 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_get_link_ksettings()  local
3521 	struct vxlan_rdst *dst = &vxlan->default_dst;  in vxlan_get_link_ksettings()
3522 	struct net_device *lowerdev = __dev_get_by_index(vxlan->net,  in vxlan_get_link_ksettings()
3628 static int __vxlan_sock_add(struct vxlan_dev *vxlan, bool ipv6)  in __vxlan_sock_add()  argument
3630 	struct vxlan_net *vn = net_generic(vxlan->net, vxlan_net_id);  in __vxlan_sock_add()
3631 	bool metadata = vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA;  in __vxlan_sock_add()
3636 	if (vxlan->cfg.remote_ifindex)  in __vxlan_sock_add()
3638 			vxlan->net, vxlan->cfg.remote_ifindex);  in __vxlan_sock_add()
3640 	if (!vxlan->cfg.no_share) {  in __vxlan_sock_add()
3642 		vs = vxlan_find_sock(vxlan->net, ipv6 ? AF_INET6 : AF_INET,  in __vxlan_sock_add()
3643 				     vxlan->cfg.dst_port, vxlan->cfg.flags,  in __vxlan_sock_add()
3652 		vs = vxlan_socket_create(vxlan->net, ipv6,  in __vxlan_sock_add()
3653 					 vxlan->cfg.dst_port, vxlan->cfg.flags,  in __vxlan_sock_add()
3659 		rcu_assign_pointer(vxlan->vn6_sock, vs);  in __vxlan_sock_add()
3660 		node = &vxlan->hlist6;  in __vxlan_sock_add()
3664 		rcu_assign_pointer(vxlan->vn4_sock, vs);  in __vxlan_sock_add()
3665 		node = &vxlan->hlist4;  in __vxlan_sock_add()
3668 	if (metadata && (vxlan->cfg.flags & VXLAN_F_VNIFILTER))  in __vxlan_sock_add()
3669 		vxlan_vs_add_vnigrp(vxlan, vs, ipv6);  in __vxlan_sock_add()
3671 		vxlan_vs_add_dev(vs, vxlan, node);  in __vxlan_sock_add()
3676 static int vxlan_sock_add(struct vxlan_dev *vxlan)  in vxlan_sock_add()  argument
3678 	bool metadata = vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA;  in vxlan_sock_add()
3679 	bool ipv6 = vxlan->cfg.flags & VXLAN_F_IPV6 || metadata;  in vxlan_sock_add()
3683 	RCU_INIT_POINTER(vxlan->vn4_sock, NULL);  in vxlan_sock_add()
3685 	RCU_INIT_POINTER(vxlan->vn6_sock, NULL);  in vxlan_sock_add()
3687 		ret = __vxlan_sock_add(vxlan, true);  in vxlan_sock_add()
3693 		ret = __vxlan_sock_add(vxlan, false);  in vxlan_sock_add()
3695 		vxlan_sock_release(vxlan);  in vxlan_sock_add()
3699 int vxlan_vni_in_use(struct net *src_net, struct vxlan_dev *vxlan,  in vxlan_vni_in_use()  argument
3706 		if (tmp == vxlan)  in vxlan_vni_in_use()
3888 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_config_apply()  local
3889 	struct vxlan_rdst *dst = &vxlan->default_dst;  in vxlan_config_apply()
3903 		vxlan->net = src_net;  in vxlan_config_apply()
3936 	memcpy(&vxlan->cfg, conf, sizeof(*conf));  in vxlan_config_apply()
3943 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_dev_configure()  local
3947 	ret = vxlan_config_validate(src_net, conf, &lowerdev, vxlan, extack);  in vxlan_dev_configure()
3961 	struct vxlan_dev *vxlan = netdev_priv(dev);  in __vxlan_dev_create()  local
3968 	dst = &vxlan->default_dst;  in __vxlan_dev_create()
3977 		err = vxlan_fdb_create(vxlan, all_zeros_mac,  in __vxlan_dev_create()
3980 				       vxlan->cfg.dst_port,  in __vxlan_dev_create()
4011 		vxlan_fdb_insert(vxlan, all_zeros_mac, dst->remote_vni, f);  in __vxlan_dev_create()
4014 		err = vxlan_fdb_notify(vxlan, f, first_remote_rtnl(f),  in __vxlan_dev_create()
4017 			vxlan_fdb_destroy(vxlan, f, false, false);  in __vxlan_dev_create()
4024 	list_add(&vxlan->next, &vn->vxlan_list);  in __vxlan_dev_create()
4080 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_nl2conf()  local
4087 		memcpy(conf, &vxlan->cfg, sizeof(*conf));  in vxlan_nl2conf()
4425 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_changelink()  local
4432 	dst = &vxlan->default_dst;  in vxlan_changelink()
4437 	err = vxlan_config_validate(vxlan->net, &conf, &lowerdev,  in vxlan_changelink()
4438 				    vxlan, extack);  in vxlan_changelink()
4451 	change_igmp = vxlan->dev->flags & IFF_UP &&  in vxlan_changelink()
4457 		u32 hash_index = fdb_head_index(vxlan, all_zeros_mac, conf.vni);  in vxlan_changelink()
4459 		spin_lock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_changelink()
4461 			err = vxlan_fdb_update(vxlan, all_zeros_mac,  in vxlan_changelink()
4465 					       vxlan->cfg.dst_port,  in vxlan_changelink()
4470 				spin_unlock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_changelink()
4477 			__vxlan_fdb_delete(vxlan, all_zeros_mac,  in vxlan_changelink()
4479 					   vxlan->cfg.dst_port,  in vxlan_changelink()
4484 		spin_unlock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_changelink()
4489 		if (vxlan->cfg.flags & VXLAN_F_VNIFILTER) {  in vxlan_changelink()
4490 			err = vxlan_vnilist_update_group(vxlan, &dst->remote_ip,  in vxlan_changelink()
4501 		err = vxlan_multicast_leave(vxlan);  in vxlan_changelink()
4503 	if (conf.age_interval != vxlan->cfg.age_interval)  in vxlan_changelink()
4504 		mod_timer(&vxlan->age_timer, jiffies);  in vxlan_changelink()
4509 	vxlan_config_apply(dev, &conf, lowerdev, vxlan->net, true);  in vxlan_changelink()
4513 		err = vxlan_multicast_join(vxlan);  in vxlan_changelink()
4520 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_dellink()  local
4526 	vxlan_flush(vxlan, &desc);  in vxlan_dellink()
4528 	list_del(&vxlan->next);  in vxlan_dellink()
4530 	if (vxlan->default_dst.remote_dev)  in vxlan_dellink()
4531 		netdev_upper_dev_unlink(vxlan->default_dst.remote_dev, dev);  in vxlan_dellink()
4574 	const struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fill_info()  local
4575 	const struct vxlan_rdst *dst = &vxlan->default_dst;  in vxlan_fill_info()
4577 		.low =  htons(vxlan->cfg.port_min),  in vxlan_fill_info()
4578 		.high = htons(vxlan->cfg.port_max),  in vxlan_fill_info()
4601 	if (!vxlan_addr_any(&vxlan->cfg.saddr)) {  in vxlan_fill_info()
4602 		if (vxlan->cfg.saddr.sa.sa_family == AF_INET) {  in vxlan_fill_info()
4604 					    vxlan->cfg.saddr.sin.sin_addr.s_addr))  in vxlan_fill_info()
4609 					     &vxlan->cfg.saddr.sin6.sin6_addr))  in vxlan_fill_info()
4615 	if (nla_put_u8(skb, IFLA_VXLAN_TTL, vxlan->cfg.ttl) ||  in vxlan_fill_info()
4617 		       !!(vxlan->cfg.flags & VXLAN_F_TTL_INHERIT)) ||  in vxlan_fill_info()
4618 	    nla_put_u8(skb, IFLA_VXLAN_TOS, vxlan->cfg.tos) ||  in vxlan_fill_info()
4619 	    nla_put_u8(skb, IFLA_VXLAN_DF, vxlan->cfg.df) ||  in vxlan_fill_info()
4620 	    nla_put_be32(skb, IFLA_VXLAN_LABEL, vxlan->cfg.label) ||  in vxlan_fill_info()
4621 	    nla_put_u32(skb, IFLA_VXLAN_LABEL_POLICY, vxlan->cfg.label_policy) ||  in vxlan_fill_info()
4623 		       !!(vxlan->cfg.flags & VXLAN_F_LEARN)) ||  in vxlan_fill_info()
4625 		       !!(vxlan->cfg.flags & VXLAN_F_PROXY)) ||  in vxlan_fill_info()
4627 		       !!(vxlan->cfg.flags & VXLAN_F_RSC)) ||  in vxlan_fill_info()
4629 		       !!(vxlan->cfg.flags & VXLAN_F_L2MISS)) ||  in vxlan_fill_info()
4631 		       !!(vxlan->cfg.flags & VXLAN_F_L3MISS)) ||  in vxlan_fill_info()
4633 		       !!(vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA)) ||  in vxlan_fill_info()
4634 	    nla_put_u32(skb, IFLA_VXLAN_AGEING, vxlan->cfg.age_interval) ||  in vxlan_fill_info()
4635 	    nla_put_u32(skb, IFLA_VXLAN_LIMIT, vxlan->cfg.addrmax) ||  in vxlan_fill_info()
4636 	    nla_put_be16(skb, IFLA_VXLAN_PORT, vxlan->cfg.dst_port) ||  in vxlan_fill_info()
4638 		       !(vxlan->cfg.flags & VXLAN_F_UDP_ZERO_CSUM_TX)) ||  in vxlan_fill_info()
4640 		       !!(vxlan->cfg.flags & VXLAN_F_UDP_ZERO_CSUM6_TX)) ||  in vxlan_fill_info()
4642 		       !!(vxlan->cfg.flags & VXLAN_F_UDP_ZERO_CSUM6_RX)) ||  in vxlan_fill_info()
4644 		       !!(vxlan->cfg.flags & VXLAN_F_REMCSUM_TX)) ||  in vxlan_fill_info()
4646 		       !!(vxlan->cfg.flags & VXLAN_F_REMCSUM_RX)) ||  in vxlan_fill_info()
4648 		       !!(vxlan->cfg.flags & VXLAN_F_LOCALBYPASS)))  in vxlan_fill_info()
4654 	if (vxlan->cfg.flags & VXLAN_F_GBP &&  in vxlan_fill_info()
4658 	if (vxlan->cfg.flags & VXLAN_F_GPE &&  in vxlan_fill_info()
4662 	if (vxlan->cfg.flags & VXLAN_F_REMCSUM_NOPARTIAL &&  in vxlan_fill_info()
4666 	if (vxlan->cfg.flags & VXLAN_F_VNIFILTER &&  in vxlan_fill_info()
4668 		       !!(vxlan->cfg.flags & VXLAN_F_VNIFILTER)))  in vxlan_fill_info()
4672 		    sizeof(vxlan->cfg.reserved_bits),  in vxlan_fill_info()
4673 		    &vxlan->cfg.reserved_bits))  in vxlan_fill_info()
4684 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_get_link_net()  local
4686 	return READ_ONCE(vxlan->net);  in vxlan_get_link_net()
4741 	struct vxlan_dev *vxlan, *next;  in vxlan_handle_lowerdev_unregister()  local
4744 	list_for_each_entry_safe(vxlan, next, &vn->vxlan_list, next) {  in vxlan_handle_lowerdev_unregister()
4745 		struct vxlan_rdst *dst = &vxlan->default_dst;  in vxlan_handle_lowerdev_unregister()
4754 			vxlan_dellink(vxlan->dev, &list_kill);  in vxlan_handle_lowerdev_unregister()
4784 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fdb_offloaded_set()  local
4789 	hash_index = fdb_head_index(vxlan, fdb_info->eth_addr, fdb_info->vni);  in vxlan_fdb_offloaded_set()
4791 	spin_lock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_offloaded_set()
4793 	f = __vxlan_find_mac(vxlan, fdb_info->eth_addr, fdb_info->vni);  in vxlan_fdb_offloaded_set()
4807 	spin_unlock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_offloaded_set()
4814 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fdb_external_learn_add()  local
4819 	hash_index = fdb_head_index(vxlan, fdb_info->eth_addr, fdb_info->vni);  in vxlan_fdb_external_learn_add()
4822 	spin_lock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_external_learn_add()
4823 	err = vxlan_fdb_update(vxlan, fdb_info->eth_addr, &fdb_info->remote_ip,  in vxlan_fdb_external_learn_add()
4832 	spin_unlock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_external_learn_add()
4841 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fdb_external_learn_del()  local
4846 	hash_index = fdb_head_index(vxlan, fdb_info->eth_addr, fdb_info->vni);  in vxlan_fdb_external_learn_del()
4847 	spin_lock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_external_learn_del()
4849 	f = __vxlan_find_mac(vxlan, fdb_info->eth_addr, fdb_info->vni);  in vxlan_fdb_external_learn_del()
4853 		err = __vxlan_fdb_delete(vxlan, fdb_info->eth_addr,  in vxlan_fdb_external_learn_del()
4861 	spin_unlock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_external_learn_del()
4909 	struct vxlan_dev *vxlan;  in vxlan_fdb_nh_flush()  local
4914 		vxlan = rcu_dereference(fdb->vdev);  in vxlan_fdb_nh_flush()
4915 		WARN_ON(!vxlan);  in vxlan_fdb_nh_flush()
4916 		hash_index = fdb_head_index(vxlan, fdb->eth_addr,  in vxlan_fdb_nh_flush()
4917 					    vxlan->default_dst.remote_vni);  in vxlan_fdb_nh_flush()
4918 		spin_lock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_nh_flush()
4920 			vxlan_fdb_destroy(vxlan, fdb, false, false);  in vxlan_fdb_nh_flush()
4921 		spin_unlock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_nh_flush()
4963 	struct vxlan_dev *vxlan, *next;  in vxlan_destroy_tunnels()  local
4965 	list_for_each_entry_safe(vxlan, next, &vn->vxlan_list, next)  in vxlan_destroy_tunnels()
4966 		vxlan_dellink(vxlan->dev, dev_to_kill);  in vxlan_destroy_tunnels()