61 static int vxlan_sock_add(struct vxlan_dev *vxlan);
63 static void vxlan_vs_del_dev(struct vxlan_dev *vxlan);
155 		if (!node->vxlan)  in vxlan_vs_find_vni()
158 		if (node->vxlan->cfg.flags & VXLAN_F_VNIFILTER) {  in vxlan_vs_find_vni()
159 			vnode = vxlan_vnifilter_lookup(node->vxlan, vni);  in vxlan_vs_find_vni()
162 		} else if (node->vxlan->default_dst.remote_vni != vni) {  in vxlan_vs_find_vni()
167 			const struct vxlan_config *cfg = &node->vxlan->cfg;  in vxlan_vs_find_vni()
176 		return node->vxlan;  in vxlan_vs_find_vni()
197 static int vxlan_fdb_info(struct sk_buff *skb, struct vxlan_dev *vxlan,  in vxlan_fdb_info()  argument
239 	ndm->ndm_ifindex = vxlan->dev->ifindex;  in vxlan_fdb_info()
245 	if (!net_eq(dev_net(vxlan->dev), vxlan->net) &&  in vxlan_fdb_info()
247 			peernet2id(dev_net(vxlan->dev), vxlan->net)))  in vxlan_fdb_info()
261 		    rdst->remote_port != vxlan->cfg.dst_port &&  in vxlan_fdb_info()
264 		if (rdst->remote_vni != vxlan->default_dst.remote_vni &&  in vxlan_fdb_info()
272 	if ((vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA) && fdb->vni &&  in vxlan_fdb_info()
305 static void __vxlan_fdb_notify(struct vxlan_dev *vxlan, struct vxlan_fdb *fdb,  in __vxlan_fdb_notify()  argument
308 	struct net *net = dev_net(vxlan->dev);  in __vxlan_fdb_notify()
316 	err = vxlan_fdb_info(skb, vxlan, fdb, 0, 0, type, 0, rd);  in __vxlan_fdb_notify()
331 static void vxlan_fdb_switchdev_notifier_info(const struct vxlan_dev *vxlan,  in vxlan_fdb_switchdev_notifier_info()  argument
337 	fdb_info->info.dev = vxlan->dev;  in vxlan_fdb_switchdev_notifier_info()
349 static int vxlan_fdb_switchdev_call_notifiers(struct vxlan_dev *vxlan,  in vxlan_fdb_switchdev_call_notifiers()  argument
364 	vxlan_fdb_switchdev_notifier_info(vxlan, fdb, rd, NULL, &info);  in vxlan_fdb_switchdev_call_notifiers()
365 	ret = call_switchdev_notifiers(notifier_type, vxlan->dev,  in vxlan_fdb_switchdev_call_notifiers()
370 static int vxlan_fdb_notify(struct vxlan_dev *vxlan, struct vxlan_fdb *fdb,  in vxlan_fdb_notify()  argument
379 			err = vxlan_fdb_switchdev_call_notifiers(vxlan, fdb, rd,  in vxlan_fdb_notify()
385 			vxlan_fdb_switchdev_call_notifiers(vxlan, fdb, rd,  in vxlan_fdb_notify()
391 	__vxlan_fdb_notify(vxlan, fdb, rd, type);  in vxlan_fdb_notify()
397 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_ip_miss()  local
406 	vxlan_fdb_notify(vxlan, &f, &remote, RTM_GETNEIGH, true, NULL);  in vxlan_ip_miss()
409 static void vxlan_fdb_miss(struct vxlan_dev *vxlan, const u8 eth_addr[ETH_ALEN])  in vxlan_fdb_miss()  argument
418 	vxlan_fdb_notify(vxlan, &f, &remote, RTM_GETNEIGH, true, NULL);  in vxlan_fdb_miss()
443 u32 fdb_head_index(struct vxlan_dev *vxlan, const u8 *mac, __be32 vni)  in fdb_head_index()  argument
445 	if (vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA)  in fdb_head_index()
452 static inline struct hlist_head *vxlan_fdb_head(struct vxlan_dev *vxlan,  in vxlan_fdb_head()  argument
455 	return &vxlan->fdb_head[fdb_head_index(vxlan, mac, vni)];  in vxlan_fdb_head()
459 static struct vxlan_fdb *__vxlan_find_mac(struct vxlan_dev *vxlan,  in __vxlan_find_mac()  argument
462 	struct hlist_head *head = vxlan_fdb_head(vxlan, mac, vni);  in __vxlan_find_mac()
467 			if (vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA) {  in __vxlan_find_mac()
479 static struct vxlan_fdb *vxlan_find_mac(struct vxlan_dev *vxlan,  in vxlan_find_mac()  argument
484 	f = __vxlan_find_mac(vxlan, mac, vni);  in vxlan_find_mac()
512 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fdb_find_uc()  local
526 	f = __vxlan_find_mac(vxlan, eth_addr, vni);  in vxlan_fdb_find_uc()
533 	vxlan_fdb_switchdev_notifier_info(vxlan, f, rdst, NULL, fdb_info);  in vxlan_fdb_find_uc()
542 				const struct vxlan_dev *vxlan,  in vxlan_fdb_notify_one()  argument
550 	vxlan_fdb_switchdev_notifier_info(vxlan, f, rdst, extack, &fdb_info);  in vxlan_fdb_notify_one()
560 	struct vxlan_dev *vxlan;  in vxlan_fdb_replay()  local
568 	vxlan = netdev_priv(dev);  in vxlan_fdb_replay()
571 		spin_lock_bh(&vxlan->hash_lock[h]);  in vxlan_fdb_replay()
572 		hlist_for_each_entry(f, &vxlan->fdb_head[h], hlist) {  in vxlan_fdb_replay()
575 					rc = vxlan_fdb_notify_one(nb, vxlan,  in vxlan_fdb_replay()
583 		spin_unlock_bh(&vxlan->hash_lock[h]);  in vxlan_fdb_replay()
588 	spin_unlock_bh(&vxlan->hash_lock[h]);  in vxlan_fdb_replay()
595 	struct vxlan_dev *vxlan;  in vxlan_fdb_clear_offload()  local
602 	vxlan = netdev_priv(dev);  in vxlan_fdb_clear_offload()
605 		spin_lock_bh(&vxlan->hash_lock[h]);  in vxlan_fdb_clear_offload()
606 		hlist_for_each_entry(f, &vxlan->fdb_head[h], hlist)  in vxlan_fdb_clear_offload()
610 		spin_unlock_bh(&vxlan->hash_lock[h]);  in vxlan_fdb_clear_offload()
765 static struct vxlan_fdb *vxlan_fdb_alloc(struct vxlan_dev *vxlan, const u8 *mac,  in vxlan_fdb_alloc()  argument
779 	RCU_INIT_POINTER(f->vdev, vxlan);  in vxlan_fdb_alloc()
787 static void vxlan_fdb_insert(struct vxlan_dev *vxlan, const u8 *mac,  in vxlan_fdb_insert()  argument
790 	++vxlan->addrcnt;  in vxlan_fdb_insert()
792 			   vxlan_fdb_head(vxlan, mac, src_vni));  in vxlan_fdb_insert()
795 static int vxlan_fdb_nh_update(struct vxlan_dev *vxlan, struct vxlan_fdb *fdb,  in vxlan_fdb_nh_update()  argument
805 	nh = nexthop_find_by_id(vxlan->net, nhid);  in vxlan_fdb_nh_update()
827 	switch (vxlan->default_dst.remote_ip.sa.sa_family) {  in vxlan_fdb_nh_update()
857 int vxlan_fdb_create(struct vxlan_dev *vxlan,  in vxlan_fdb_create()  argument
868 	if (vxlan->cfg.addrmax &&  in vxlan_fdb_create()
869 	    vxlan->addrcnt >= vxlan->cfg.addrmax)  in vxlan_fdb_create()
872 	netdev_dbg(vxlan->dev, "add %pM -> %pIS\n", mac, ip);  in vxlan_fdb_create()
873 	f = vxlan_fdb_alloc(vxlan, mac, state, src_vni, ndm_flags);  in vxlan_fdb_create()
878 		rc = vxlan_fdb_nh_update(vxlan, f, nhid, extack);  in vxlan_fdb_create()
919 static void vxlan_fdb_destroy(struct vxlan_dev *vxlan, struct vxlan_fdb *f,  in vxlan_fdb_destroy()  argument
924 	netdev_dbg(vxlan->dev, "delete %pM\n", f->eth_addr);  in vxlan_fdb_destroy()
926 	--vxlan->addrcnt;  in vxlan_fdb_destroy()
929 			vxlan_fdb_notify(vxlan, f, NULL, RTM_DELNEIGH,  in vxlan_fdb_destroy()
933 				vxlan_fdb_notify(vxlan, f, rd, RTM_DELNEIGH,  in vxlan_fdb_destroy()
950 static int vxlan_fdb_update_existing(struct vxlan_dev *vxlan,  in vxlan_fdb_update_existing()  argument
1000 				rc = vxlan_fdb_nh_update(vxlan, f, nhid, extack);  in vxlan_fdb_update_existing()
1030 		err = vxlan_fdb_notify(vxlan, f, rd, RTM_NEWNEIGH,  in vxlan_fdb_update_existing()
1050 static int vxlan_fdb_update_create(struct vxlan_dev *vxlan,  in vxlan_fdb_update_create()  argument
1067 	netdev_dbg(vxlan->dev, "add %pM -> %pIS\n", mac, ip);  in vxlan_fdb_update_create()
1068 	rc = vxlan_fdb_create(vxlan, mac, ip, state, port, src_vni,  in vxlan_fdb_update_create()
1073 	vxlan_fdb_insert(vxlan, mac, src_vni, f);  in vxlan_fdb_update_create()
1074 	rc = vxlan_fdb_notify(vxlan, f, first_remote_rtnl(f), RTM_NEWNEIGH,  in vxlan_fdb_update_create()
1082 	vxlan_fdb_destroy(vxlan, f, false, false);  in vxlan_fdb_update_create()
1087 int vxlan_fdb_update(struct vxlan_dev *vxlan,  in vxlan_fdb_update()  argument
1097 	f = __vxlan_find_mac(vxlan, mac, src_vni);  in vxlan_fdb_update()
1100 			netdev_dbg(vxlan->dev,  in vxlan_fdb_update()
1105 		return vxlan_fdb_update_existing(vxlan, ip, state, flags, port,  in vxlan_fdb_update()
1112 		return vxlan_fdb_update_create(vxlan, mac, ip, state, flags,  in vxlan_fdb_update()
1119 static void vxlan_fdb_dst_destroy(struct vxlan_dev *vxlan, struct vxlan_fdb *f,  in vxlan_fdb_dst_destroy()  argument
1123 	vxlan_fdb_notify(vxlan, f, rd, RTM_DELNEIGH, swdev_notify, NULL);  in vxlan_fdb_dst_destroy()
1127 static int vxlan_fdb_parse(struct nlattr *tb[], struct vxlan_dev *vxlan,  in vxlan_fdb_parse()  argument
1132 	struct net *net = dev_net(vxlan->dev);  in vxlan_fdb_parse()
1148 		union vxlan_addr *remote = &vxlan->default_dst.remote_ip;  in vxlan_fdb_parse()
1168 		*port = vxlan->cfg.dst_port;  in vxlan_fdb_parse()
1178 		*vni = vxlan->default_dst.remote_vni;  in vxlan_fdb_parse()
1188 		*src_vni = vxlan->default_dst.remote_vni;  in vxlan_fdb_parse()
1222 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fdb_add()  local
1240 	err = vxlan_fdb_parse(tb, vxlan, &ip, &port, &src_vni, &vni, &ifindex,  in vxlan_fdb_add()
1245 	if (vxlan->default_dst.remote_ip.sa.sa_family != ip.sa.sa_family)  in vxlan_fdb_add()
1248 	hash_index = fdb_head_index(vxlan, addr, src_vni);  in vxlan_fdb_add()
1249 	spin_lock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_add()
1250 	err = vxlan_fdb_update(vxlan, addr, &ip, ndm->ndm_state, flags,  in vxlan_fdb_add()
1254 	spin_unlock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_add()
1259 int __vxlan_fdb_delete(struct vxlan_dev *vxlan,  in __vxlan_fdb_delete()  argument
1268 	f = vxlan_find_mac(vxlan, addr, src_vni);  in __vxlan_fdb_delete()
1282 		vxlan_fdb_dst_destroy(vxlan, f, rd, swdev_notify);  in __vxlan_fdb_delete()
1286 	vxlan_fdb_destroy(vxlan, f, true, swdev_notify);  in __vxlan_fdb_delete()
1298 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fdb_delete()  local
1306 	err = vxlan_fdb_parse(tb, vxlan, &ip, &port, &src_vni, &vni, &ifindex,  in vxlan_fdb_delete()
1311 	hash_index = fdb_head_index(vxlan, addr, src_vni);  in vxlan_fdb_delete()
1312 	spin_lock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_delete()
1313 	err = __vxlan_fdb_delete(vxlan, addr, ip, port, src_vni, vni, ifindex,  in vxlan_fdb_delete()
1315 	spin_unlock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_delete()
1325 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fdb_dump()  local
1333 		hlist_for_each_entry_rcu(f, &vxlan->fdb_head[h], hlist) {  in vxlan_fdb_dump()
1339 				err = vxlan_fdb_info(skb, vxlan, f,  in vxlan_fdb_dump()
1357 				err = vxlan_fdb_info(skb, vxlan, f,  in vxlan_fdb_dump()
1383 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fdb_get()  local
1391 		vni = vxlan->default_dst.remote_vni;  in vxlan_fdb_get()
1395 	f = __vxlan_find_mac(vxlan, addr, vni);  in vxlan_fdb_get()
1402 	err = vxlan_fdb_info(skb, vxlan, f, portid, seq,  in vxlan_fdb_get()
1417 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_snoop()  local
1427 	f = vxlan_find_mac(vxlan, src_mac, vni);  in vxlan_snoop()
1450 		vxlan_fdb_notify(vxlan, f, rdst, RTM_NEWNEIGH, true, NULL);  in vxlan_snoop()
1452 		u32 hash_index = fdb_head_index(vxlan, src_mac, vni);  in vxlan_snoop()
1455 		spin_lock(&vxlan->hash_lock[hash_index]);  in vxlan_snoop()
1459 			vxlan_fdb_update(vxlan, src_mac, src_ip,  in vxlan_snoop()
1462 					 vxlan->cfg.dst_port,  in vxlan_snoop()
1464 					 vxlan->default_dst.remote_vni,  in vxlan_snoop()
1466 		spin_unlock(&vxlan->hash_lock[hash_index]);  in vxlan_snoop()
1493 static void vxlan_sock_release(struct vxlan_dev *vxlan)  in vxlan_sock_release()  argument
1495 	struct vxlan_sock *sock4 = rtnl_dereference(vxlan->vn4_sock);  in vxlan_sock_release()
1497 	struct vxlan_sock *sock6 = rtnl_dereference(vxlan->vn6_sock);  in vxlan_sock_release()
1499 	RCU_INIT_POINTER(vxlan->vn6_sock, NULL);  in vxlan_sock_release()
1502 	RCU_INIT_POINTER(vxlan->vn4_sock, NULL);  in vxlan_sock_release()
1505 	if (vxlan->cfg.flags & VXLAN_F_VNIFILTER)  in vxlan_sock_release()
1506 		vxlan_vs_del_vnigrp(vxlan);  in vxlan_sock_release()
1508 		vxlan_vs_del_dev(vxlan);  in vxlan_sock_release()
1604 static bool vxlan_set_mac(struct vxlan_dev *vxlan,  in vxlan_set_mac()  argument
1612 	skb->protocol = eth_type_trans(skb, vxlan->dev);  in vxlan_set_mac()
1616 	if (ether_addr_equal(eth_hdr(skb)->h_source, vxlan->dev->dev_addr))  in vxlan_set_mac()
1630 	if ((vxlan->cfg.flags & VXLAN_F_LEARN) &&  in vxlan_set_mac()
1665 	struct vxlan_dev *vxlan;  in vxlan_rcv()  local
1697 	vxlan = vxlan_vs_find_vni(vs, skb->dev->ifindex, vni, &vninode);  in vxlan_rcv()
1698 	if (!vxlan)  in vxlan_rcv()
1711 				   !net_eq(vxlan->net, dev_net(vxlan->dev))))  in vxlan_rcv()
1753 		if (!vxlan_set_mac(vxlan, vs, skb, vni))  in vxlan_rcv()
1757 		skb->dev = vxlan->dev;  in vxlan_rcv()
1765 		++vxlan->dev->stats.rx_frame_errors;  in vxlan_rcv()
1766 		++vxlan->dev->stats.rx_errors;  in vxlan_rcv()
1767 		vxlan_vnifilter_count(vxlan, vni, vninode,  in vxlan_rcv()
1774 	if (unlikely(!(vxlan->dev->flags & IFF_UP))) {  in vxlan_rcv()
1776 		dev_core_stats_rx_dropped_inc(vxlan->dev);  in vxlan_rcv()
1777 		vxlan_vnifilter_count(vxlan, vni, vninode,  in vxlan_rcv()
1782 	dev_sw_netstats_rx_add(vxlan->dev, skb->len);  in vxlan_rcv()
1783 	vxlan_vnifilter_count(vxlan, vni, vninode, VXLAN_VNI_STATS_RX, skb->len);  in vxlan_rcv()
1784 	gro_cells_receive(&vxlan->gro_cells, skb);  in vxlan_rcv()
1799 	struct vxlan_dev *vxlan;  in vxlan_err_lookup()  local
1817 	vxlan = vxlan_vs_find_vni(vs, skb->dev->ifindex, vni, NULL);  in vxlan_err_lookup()
1818 	if (!vxlan)  in vxlan_err_lookup()
1826 	struct vxlan_dev *vxlan = netdev_priv(dev);  in arp_reduce()  local
1871 		f = vxlan_find_mac(vxlan, n->ha, vni);  in arp_reduce()
1893 			vxlan_vnifilter_count(vxlan, vni, NULL,  in arp_reduce()
1897 	} else if (vxlan->cfg.flags & VXLAN_F_L3MISS) {  in arp_reduce()
2004 	struct vxlan_dev *vxlan = netdev_priv(dev);  in neigh_reduce()  local
2035 		f = vxlan_find_mac(vxlan, n->ha, vni);  in neigh_reduce()
2052 			vxlan_vnifilter_count(vxlan, vni, NULL,  in neigh_reduce()
2055 	} else if (vxlan->cfg.flags & VXLAN_F_L3MISS) {  in neigh_reduce()
2073 	struct vxlan_dev *vxlan = netdev_priv(dev);  in route_shortcircuit()  local
2089 		if (!n && (vxlan->cfg.flags & VXLAN_F_L3MISS)) {  in route_shortcircuit()
2110 		if (!n && (vxlan->cfg.flags & VXLAN_F_L3MISS)) {  in route_shortcircuit()
2239 static struct rtable *vxlan_get_route(struct vxlan_dev *vxlan, struct net_device *dev,  in vxlan_get_route()  argument
2272 	rt = ip_route_output_key(vxlan->net, &fl4);  in vxlan_get_route()
2291 static struct dst_entry *vxlan6_get_route(struct vxlan_dev *vxlan,  in vxlan6_get_route()  argument
2327 	ndst = ipv6_stub->ipv6_dst_lookup_flow(vxlan->net, sock6->sock->sk,  in vxlan6_get_route()
2408 				 struct vxlan_dev *vxlan,  in encap_bypass_if_local()  argument
2427 		dst_vxlan = vxlan_find_vni(vxlan->net, dst_ifindex, vni,  in encap_bypass_if_local()
2429 					   vxlan->cfg.flags);  in encap_bypass_if_local()
2432 			vxlan_vnifilter_count(vxlan, vni, NULL,  in encap_bypass_if_local()
2438 		vxlan_encap_bypass(skb, vxlan, dst_vxlan, vni, true);  in encap_bypass_if_local()
2451 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_xmit_one()  local
2463 	u32 flags = vxlan->cfg.flags;  in vxlan_xmit_one()
2465 	bool xnet = !net_eq(vxlan->net, dev_net(vxlan->dev));  in vxlan_xmit_one()
2478 				vxlan_encap_bypass(skb, vxlan, vxlan,  in vxlan_xmit_one()
2485 		dst_port = rdst->remote_port ? rdst->remote_port : vxlan->cfg.dst_port;  in vxlan_xmit_one()
2488 		local_ip = vxlan->cfg.saddr;  in vxlan_xmit_one()
2494 			ttl = vxlan->cfg.ttl;  in vxlan_xmit_one()
2499 		tos = vxlan->cfg.tos;  in vxlan_xmit_one()
2508 		label = vxlan->cfg.label;  in vxlan_xmit_one()
2525 		dst_port = info->key.tp_dst ? : vxlan->cfg.dst_port;  in vxlan_xmit_one()
2542 	src_port = udp_flow_src_port(dev_net(dev), skb, vxlan->cfg.port_min,  in vxlan_xmit_one()
2543 				     vxlan->cfg.port_max, true);  in vxlan_xmit_one()
2547 		struct vxlan_sock *sock4 = rcu_dereference(vxlan->vn4_sock);  in vxlan_xmit_one()
2554 		rt = vxlan_get_route(vxlan, dev, sock4, skb, ifindex, tos,  in vxlan_xmit_one()
2566 			err = encap_bypass_if_local(skb, dev, vxlan, dst,  in vxlan_xmit_one()
2572 			if (vxlan->cfg.df == VXLAN_DF_SET) {  in vxlan_xmit_one()
2574 			} else if (vxlan->cfg.df == VXLAN_DF_INHERIT) {  in vxlan_xmit_one()
2605 			vxlan_encap_bypass(skb, vxlan, vxlan, vni, false);  in vxlan_xmit_one()
2622 		struct vxlan_sock *sock6 = rcu_dereference(vxlan->vn6_sock);  in vxlan_xmit_one()
2627 		ndst = vxlan6_get_route(vxlan, dev, sock6, skb, ifindex, tos,  in vxlan_xmit_one()
2641 			err = encap_bypass_if_local(skb, dev, vxlan, dst,  in vxlan_xmit_one()
2667 			vxlan_encap_bypass(skb, vxlan, vxlan, vni, false);  in vxlan_xmit_one()
2686 	vxlan_vnifilter_count(vxlan, vni, NULL, VXLAN_VNI_STATS_TX, pkt_len);  in vxlan_xmit_one()
2693 	vxlan_vnifilter_count(vxlan, vni, NULL, VXLAN_VNI_STATS_TX_DROPS, 0);  in vxlan_xmit_one()
2705 	vxlan_vnifilter_count(vxlan, vni, NULL, VXLAN_VNI_STATS_TX_ERRORS, 0);  in vxlan_xmit_one()
2751 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_xmit()  local
2763 	if (vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA) {  in vxlan_xmit()
2776 	if (vxlan->cfg.flags & VXLAN_F_PROXY) {  in vxlan_xmit()
2795 	f = vxlan_find_mac(vxlan, eth->h_dest, vni);  in vxlan_xmit()
2798 	if (f && (f->flags & NTF_ROUTER) && (vxlan->cfg.flags & VXLAN_F_RSC) &&  in vxlan_xmit()
2803 			f = vxlan_find_mac(vxlan, eth->h_dest, vni);  in vxlan_xmit()
2807 		f = vxlan_find_mac(vxlan, all_zeros_mac, vni);  in vxlan_xmit()
2809 			if ((vxlan->cfg.flags & VXLAN_F_L2MISS) &&  in vxlan_xmit()
2811 				vxlan_fdb_miss(vxlan, eth->h_dest);  in vxlan_xmit()
2814 			vxlan_vnifilter_count(vxlan, vni, NULL,  in vxlan_xmit()
2823 			      (vni ? : vxlan->default_dst.remote_vni), did_rsc);  in vxlan_xmit()
2848 	struct vxlan_dev *vxlan = from_timer(vxlan, t, age_timer);  in vxlan_cleanup()  local
2852 	if (!netif_running(vxlan->dev))  in vxlan_cleanup()
2858 		spin_lock(&vxlan->hash_lock[h]);  in vxlan_cleanup()
2859 		hlist_for_each_safe(p, n, &vxlan->fdb_head[h]) {  in vxlan_cleanup()
2870 			timeout = f->used + vxlan->cfg.age_interval * HZ;  in vxlan_cleanup()
2872 				netdev_dbg(vxlan->dev,  in vxlan_cleanup()
2876 				vxlan_fdb_destroy(vxlan, f, true, true);  in vxlan_cleanup()
2880 		spin_unlock(&vxlan->hash_lock[h]);  in vxlan_cleanup()
2883 	mod_timer(&vxlan->age_timer, next_timer);  in vxlan_cleanup()
2886 static void vxlan_vs_del_dev(struct vxlan_dev *vxlan)  in vxlan_vs_del_dev()  argument
2888 	struct vxlan_net *vn = net_generic(vxlan->net, vxlan_net_id);  in vxlan_vs_del_dev()
2891 	hlist_del_init_rcu(&vxlan->hlist4.hlist);  in vxlan_vs_del_dev()
2893 	hlist_del_init_rcu(&vxlan->hlist6.hlist);  in vxlan_vs_del_dev()
2898 static void vxlan_vs_add_dev(struct vxlan_sock *vs, struct vxlan_dev *vxlan,  in vxlan_vs_add_dev()  argument
2901 	struct vxlan_net *vn = net_generic(vxlan->net, vxlan_net_id);  in vxlan_vs_add_dev()
2902 	__be32 vni = vxlan->default_dst.remote_vni;  in vxlan_vs_add_dev()
2904 	node->vxlan = vxlan;  in vxlan_vs_add_dev()
2913 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_init()  local
2916 	if (vxlan->cfg.flags & VXLAN_F_VNIFILTER)  in vxlan_init()
2917 		vxlan_vnigroup_init(vxlan);  in vxlan_init()
2923 	err = gro_cells_init(&vxlan->gro_cells, dev);  in vxlan_init()
2932 static void vxlan_fdb_delete_default(struct vxlan_dev *vxlan, __be32 vni)  in vxlan_fdb_delete_default()  argument
2935 	u32 hash_index = fdb_head_index(vxlan, all_zeros_mac, vni);  in vxlan_fdb_delete_default()
2937 	spin_lock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_delete_default()
2938 	f = __vxlan_find_mac(vxlan, all_zeros_mac, vni);  in vxlan_fdb_delete_default()
2940 		vxlan_fdb_destroy(vxlan, f, true, true);  in vxlan_fdb_delete_default()
2941 	spin_unlock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_delete_default()
2946 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_uninit()  local
2948 	if (vxlan->cfg.flags & VXLAN_F_VNIFILTER)  in vxlan_uninit()
2949 		vxlan_vnigroup_uninit(vxlan);  in vxlan_uninit()
2951 	gro_cells_destroy(&vxlan->gro_cells);  in vxlan_uninit()
2953 	vxlan_fdb_delete_default(vxlan, vxlan->cfg.vni);  in vxlan_uninit()
2961 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_open()  local
2964 	ret = vxlan_sock_add(vxlan);  in vxlan_open()
2968 	ret = vxlan_multicast_join(vxlan);  in vxlan_open()
2970 		vxlan_sock_release(vxlan);  in vxlan_open()
2974 	if (vxlan->cfg.age_interval)  in vxlan_open()
2975 		mod_timer(&vxlan->age_timer, jiffies + FDB_AGE_INTERVAL);  in vxlan_open()
2981 static void vxlan_flush(struct vxlan_dev *vxlan, bool do_all)  in vxlan_flush()  argument
2988 		spin_lock_bh(&vxlan->hash_lock[h]);  in vxlan_flush()
2989 		hlist_for_each_safe(p, n, &vxlan->fdb_head[h]) {  in vxlan_flush()
2996 			    f->vni == vxlan->cfg.vni)  in vxlan_flush()
2998 			vxlan_fdb_destroy(vxlan, f, true, true);  in vxlan_flush()
3000 		spin_unlock_bh(&vxlan->hash_lock[h]);  in vxlan_flush()
3007 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_stop()  local
3009 	vxlan_multicast_leave(vxlan);  in vxlan_stop()
3011 	del_timer_sync(&vxlan->age_timer);  in vxlan_stop()
3013 	vxlan_flush(vxlan, false);  in vxlan_stop()
3014 	vxlan_sock_release(vxlan);  in vxlan_stop()
3026 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_change_mtu()  local
3027 	struct vxlan_rdst *dst = &vxlan->default_dst;  in vxlan_change_mtu()
3028 	struct net_device *lowerdev = __dev_get_by_index(vxlan->net,  in vxlan_change_mtu()
3030 	bool use_ipv6 = !!(vxlan->cfg.flags & VXLAN_F_IPV6);  in vxlan_change_mtu()
3048 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fill_metadata_dst()  local
3052 	sport = udp_flow_src_port(dev_net(dev), skb, vxlan->cfg.port_min,  in vxlan_fill_metadata_dst()
3053 				  vxlan->cfg.port_max, true);  in vxlan_fill_metadata_dst()
3054 	dport = info->key.tp_dst ? : vxlan->cfg.dst_port;  in vxlan_fill_metadata_dst()
3057 		struct vxlan_sock *sock4 = rcu_dereference(vxlan->vn4_sock);  in vxlan_fill_metadata_dst()
3060 		rt = vxlan_get_route(vxlan, dev, sock4, skb, 0, info->key.tos,  in vxlan_fill_metadata_dst()
3070 		struct vxlan_sock *sock6 = rcu_dereference(vxlan->vn6_sock);  in vxlan_fill_metadata_dst()
3073 		ndst = vxlan6_get_route(vxlan, dev, sock6, skb, 0, info->key.tos,  in vxlan_fill_metadata_dst()
3156 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_setup()  local
3181 	INIT_LIST_HEAD(&vxlan->next);  in vxlan_setup()
3183 	timer_setup(&vxlan->age_timer, vxlan_cleanup, TIMER_DEFERRABLE);  in vxlan_setup()
3185 	vxlan->dev = dev;  in vxlan_setup()
3188 		spin_lock_init(&vxlan->hash_lock[h]);  in vxlan_setup()
3189 		INIT_HLIST_HEAD(&vxlan->fdb_head[h]);  in vxlan_setup()
3320 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_get_link_ksettings()  local
3321 	struct vxlan_rdst *dst = &vxlan->default_dst;  in vxlan_get_link_ksettings()
3322 	struct net_device *lowerdev = __dev_get_by_index(vxlan->net,  in vxlan_get_link_ksettings()
3423 static int __vxlan_sock_add(struct vxlan_dev *vxlan, bool ipv6)  in __vxlan_sock_add()  argument
3425 	struct vxlan_net *vn = net_generic(vxlan->net, vxlan_net_id);  in __vxlan_sock_add()
3426 	bool metadata = vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA;  in __vxlan_sock_add()
3431 	if (vxlan->cfg.remote_ifindex)  in __vxlan_sock_add()
3433 			vxlan->net, vxlan->cfg.remote_ifindex);  in __vxlan_sock_add()
3435 	if (!vxlan->cfg.no_share) {  in __vxlan_sock_add()
3437 		vs = vxlan_find_sock(vxlan->net, ipv6 ? AF_INET6 : AF_INET,  in __vxlan_sock_add()
3438 				     vxlan->cfg.dst_port, vxlan->cfg.flags,  in __vxlan_sock_add()
3447 		vs = vxlan_socket_create(vxlan->net, ipv6,  in __vxlan_sock_add()
3448 					 vxlan->cfg.dst_port, vxlan->cfg.flags,  in __vxlan_sock_add()
3454 		rcu_assign_pointer(vxlan->vn6_sock, vs);  in __vxlan_sock_add()
3455 		node = &vxlan->hlist6;  in __vxlan_sock_add()
3459 		rcu_assign_pointer(vxlan->vn4_sock, vs);  in __vxlan_sock_add()
3460 		node = &vxlan->hlist4;  in __vxlan_sock_add()
3463 	if (metadata && (vxlan->cfg.flags & VXLAN_F_VNIFILTER))  in __vxlan_sock_add()
3464 		vxlan_vs_add_vnigrp(vxlan, vs, ipv6);  in __vxlan_sock_add()
3466 		vxlan_vs_add_dev(vs, vxlan, node);  in __vxlan_sock_add()
3471 static int vxlan_sock_add(struct vxlan_dev *vxlan)  in vxlan_sock_add()  argument
3473 	bool metadata = vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA;  in vxlan_sock_add()
3474 	bool ipv6 = vxlan->cfg.flags & VXLAN_F_IPV6 || metadata;  in vxlan_sock_add()
3478 	RCU_INIT_POINTER(vxlan->vn4_sock, NULL);  in vxlan_sock_add()
3480 	RCU_INIT_POINTER(vxlan->vn6_sock, NULL);  in vxlan_sock_add()
3482 		ret = __vxlan_sock_add(vxlan, true);  in vxlan_sock_add()
3488 		ret = __vxlan_sock_add(vxlan, false);  in vxlan_sock_add()
3490 		vxlan_sock_release(vxlan);  in vxlan_sock_add()
3494 int vxlan_vni_in_use(struct net *src_net, struct vxlan_dev *vxlan,  in vxlan_vni_in_use()  argument
3501 		if (tmp == vxlan)  in vxlan_vni_in_use()
3677 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_config_apply()  local
3678 	struct vxlan_rdst *dst = &vxlan->default_dst;  in vxlan_config_apply()
3692 		vxlan->net = src_net;  in vxlan_config_apply()
3727 	memcpy(&vxlan->cfg, conf, sizeof(*conf));  in vxlan_config_apply()
3734 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_dev_configure()  local
3738 	ret = vxlan_config_validate(src_net, conf, &lowerdev, vxlan, extack);  in vxlan_dev_configure()
3752 	struct vxlan_dev *vxlan = netdev_priv(dev);  in __vxlan_dev_create()  local
3759 	dst = &vxlan->default_dst;  in __vxlan_dev_create()
3768 		err = vxlan_fdb_create(vxlan, all_zeros_mac,  in __vxlan_dev_create()
3771 				       vxlan->cfg.dst_port,  in __vxlan_dev_create()
3802 		vxlan_fdb_insert(vxlan, all_zeros_mac, dst->remote_vni, f);  in __vxlan_dev_create()
3805 		err = vxlan_fdb_notify(vxlan, f, first_remote_rtnl(f),  in __vxlan_dev_create()
3808 			vxlan_fdb_destroy(vxlan, f, false, false);  in __vxlan_dev_create()
3815 	list_add(&vxlan->next, &vn->vxlan_list);  in __vxlan_dev_create()
3867 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_nl2conf()  local
3874 		memcpy(conf, &vxlan->cfg, sizeof(*conf));  in vxlan_nl2conf()
4153 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_changelink()  local
4159 	dst = &vxlan->default_dst;  in vxlan_changelink()
4164 	err = vxlan_config_validate(vxlan->net, &conf, &lowerdev,  in vxlan_changelink()
4165 				    vxlan, extack);  in vxlan_changelink()
4179 		u32 hash_index = fdb_head_index(vxlan, all_zeros_mac, conf.vni);  in vxlan_changelink()
4181 		spin_lock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_changelink()
4183 			err = vxlan_fdb_update(vxlan, all_zeros_mac,  in vxlan_changelink()
4187 					       vxlan->cfg.dst_port,  in vxlan_changelink()
4192 				spin_unlock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_changelink()
4199 			__vxlan_fdb_delete(vxlan, all_zeros_mac,  in vxlan_changelink()
4201 					   vxlan->cfg.dst_port,  in vxlan_changelink()
4206 		spin_unlock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_changelink()
4211 		if (vxlan->cfg.flags & VXLAN_F_VNIFILTER) {  in vxlan_changelink()
4212 			err = vxlan_vnilist_update_group(vxlan, &dst->remote_ip,  in vxlan_changelink()
4222 	if (conf.age_interval != vxlan->cfg.age_interval)  in vxlan_changelink()
4223 		mod_timer(&vxlan->age_timer, jiffies);  in vxlan_changelink()
4228 	vxlan_config_apply(dev, &conf, lowerdev, vxlan->net, true);  in vxlan_changelink()
4234 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_dellink()  local
4236 	vxlan_flush(vxlan, true);  in vxlan_dellink()
4238 	list_del(&vxlan->next);  in vxlan_dellink()
4240 	if (vxlan->default_dst.remote_dev)  in vxlan_dellink()
4241 		netdev_upper_dev_unlink(vxlan->default_dst.remote_dev, dev);  in vxlan_dellink()
4276 	const struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fill_info()  local
4277 	const struct vxlan_rdst *dst = &vxlan->default_dst;  in vxlan_fill_info()
4279 		.low =  htons(vxlan->cfg.port_min),  in vxlan_fill_info()
4280 		.high = htons(vxlan->cfg.port_max),  in vxlan_fill_info()
4303 	if (!vxlan_addr_any(&vxlan->cfg.saddr)) {  in vxlan_fill_info()
4304 		if (vxlan->cfg.saddr.sa.sa_family == AF_INET) {  in vxlan_fill_info()
4306 					    vxlan->cfg.saddr.sin.sin_addr.s_addr))  in vxlan_fill_info()
4311 					     &vxlan->cfg.saddr.sin6.sin6_addr))  in vxlan_fill_info()
4317 	if (nla_put_u8(skb, IFLA_VXLAN_TTL, vxlan->cfg.ttl) ||  in vxlan_fill_info()
4319 		       !!(vxlan->cfg.flags & VXLAN_F_TTL_INHERIT)) ||  in vxlan_fill_info()
4320 	    nla_put_u8(skb, IFLA_VXLAN_TOS, vxlan->cfg.tos) ||  in vxlan_fill_info()
4321 	    nla_put_u8(skb, IFLA_VXLAN_DF, vxlan->cfg.df) ||  in vxlan_fill_info()
4322 	    nla_put_be32(skb, IFLA_VXLAN_LABEL, vxlan->cfg.label) ||  in vxlan_fill_info()
4324 		       !!(vxlan->cfg.flags & VXLAN_F_LEARN)) ||  in vxlan_fill_info()
4326 		       !!(vxlan->cfg.flags & VXLAN_F_PROXY)) ||  in vxlan_fill_info()
4328 		       !!(vxlan->cfg.flags & VXLAN_F_RSC)) ||  in vxlan_fill_info()
4330 		       !!(vxlan->cfg.flags & VXLAN_F_L2MISS)) ||  in vxlan_fill_info()
4332 		       !!(vxlan->cfg.flags & VXLAN_F_L3MISS)) ||  in vxlan_fill_info()
4334 		       !!(vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA)) ||  in vxlan_fill_info()
4335 	    nla_put_u32(skb, IFLA_VXLAN_AGEING, vxlan->cfg.age_interval) ||  in vxlan_fill_info()
4336 	    nla_put_u32(skb, IFLA_VXLAN_LIMIT, vxlan->cfg.addrmax) ||  in vxlan_fill_info()
4337 	    nla_put_be16(skb, IFLA_VXLAN_PORT, vxlan->cfg.dst_port) ||  in vxlan_fill_info()
4339 		       !(vxlan->cfg.flags & VXLAN_F_UDP_ZERO_CSUM_TX)) ||  in vxlan_fill_info()
4341 		       !!(vxlan->cfg.flags & VXLAN_F_UDP_ZERO_CSUM6_TX)) ||  in vxlan_fill_info()
4343 		       !!(vxlan->cfg.flags & VXLAN_F_UDP_ZERO_CSUM6_RX)) ||  in vxlan_fill_info()
4345 		       !!(vxlan->cfg.flags & VXLAN_F_REMCSUM_TX)) ||  in vxlan_fill_info()
4347 		       !!(vxlan->cfg.flags & VXLAN_F_REMCSUM_RX)))  in vxlan_fill_info()
4353 	if (vxlan->cfg.flags & VXLAN_F_GBP &&  in vxlan_fill_info()
4357 	if (vxlan->cfg.flags & VXLAN_F_GPE &&  in vxlan_fill_info()
4361 	if (vxlan->cfg.flags & VXLAN_F_REMCSUM_NOPARTIAL &&  in vxlan_fill_info()
4365 	if (vxlan->cfg.flags & VXLAN_F_VNIFILTER &&  in vxlan_fill_info()
4367 		       !!(vxlan->cfg.flags & VXLAN_F_VNIFILTER)))  in vxlan_fill_info()
4378 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_get_link_net()  local
4380 	return vxlan->net;  in vxlan_get_link_net()
4435 	struct vxlan_dev *vxlan, *next;  in vxlan_handle_lowerdev_unregister()  local
4438 	list_for_each_entry_safe(vxlan, next, &vn->vxlan_list, next) {  in vxlan_handle_lowerdev_unregister()
4439 		struct vxlan_rdst *dst = &vxlan->default_dst;  in vxlan_handle_lowerdev_unregister()
4448 			vxlan_dellink(vxlan->dev, &list_kill);  in vxlan_handle_lowerdev_unregister()
4478 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fdb_offloaded_set()  local
4483 	hash_index = fdb_head_index(vxlan, fdb_info->eth_addr, fdb_info->vni);  in vxlan_fdb_offloaded_set()
4485 	spin_lock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_offloaded_set()
4487 	f = vxlan_find_mac(vxlan, fdb_info->eth_addr, fdb_info->vni);  in vxlan_fdb_offloaded_set()
4501 	spin_unlock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_offloaded_set()
4508 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fdb_external_learn_add()  local
4513 	hash_index = fdb_head_index(vxlan, fdb_info->eth_addr, fdb_info->vni);  in vxlan_fdb_external_learn_add()
4516 	spin_lock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_external_learn_add()
4517 	err = vxlan_fdb_update(vxlan, fdb_info->eth_addr, &fdb_info->remote_ip,  in vxlan_fdb_external_learn_add()
4526 	spin_unlock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_external_learn_add()
4535 	struct vxlan_dev *vxlan = netdev_priv(dev);  in vxlan_fdb_external_learn_del()  local
4540 	hash_index = fdb_head_index(vxlan, fdb_info->eth_addr, fdb_info->vni);  in vxlan_fdb_external_learn_del()
4541 	spin_lock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_external_learn_del()
4543 	f = vxlan_find_mac(vxlan, fdb_info->eth_addr, fdb_info->vni);  in vxlan_fdb_external_learn_del()
4547 		err = __vxlan_fdb_delete(vxlan, fdb_info->eth_addr,  in vxlan_fdb_external_learn_del()
4555 	spin_unlock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_external_learn_del()
4603 	struct vxlan_dev *vxlan;  in vxlan_fdb_nh_flush()  local
4608 		vxlan = rcu_dereference(fdb->vdev);  in vxlan_fdb_nh_flush()
4609 		WARN_ON(!vxlan);  in vxlan_fdb_nh_flush()
4610 		hash_index = fdb_head_index(vxlan, fdb->eth_addr,  in vxlan_fdb_nh_flush()
4611 					    vxlan->default_dst.remote_vni);  in vxlan_fdb_nh_flush()
4612 		spin_lock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_nh_flush()
4614 			vxlan_fdb_destroy(vxlan, fdb, false, false);  in vxlan_fdb_nh_flush()
4615 		spin_unlock_bh(&vxlan->hash_lock[hash_index]);  in vxlan_fdb_nh_flush()
4657 	struct vxlan_dev *vxlan, *next;  in vxlan_destroy_tunnels()  local
4664 	list_for_each_entry_safe(vxlan, next, &vn->vxlan_list, next) {  in vxlan_destroy_tunnels()
4668 		if (!net_eq(dev_net(vxlan->dev), net))  in vxlan_destroy_tunnels()
4669 			unregister_netdevice_queue(vxlan->dev, head);  in vxlan_destroy_tunnels()