151 struct ip_tunnel *ip_tunnel_lookup(struct ip_tunnel_net *itn,  in ip_tunnel_lookup()  argument
161 	head = &itn->tunnels[hash];  in ip_tunnel_lookup()
194 	head = &itn->tunnels[hash];  in ip_tunnel_lookup()
233 	t = rcu_dereference(itn->collect_md_tun);  in ip_tunnel_lookup()
237 	if (itn->fb_tunnel_dev && itn->fb_tunnel_dev->flags & IFF_UP)  in ip_tunnel_lookup()
238 		return netdev_priv(itn->fb_tunnel_dev);  in ip_tunnel_lookup()
244 static struct hlist_head *ip_bucket(struct ip_tunnel_net *itn,  in ip_bucket()  argument
260 	return &itn->tunnels[h];  in ip_bucket()
263 static void ip_tunnel_add(struct ip_tunnel_net *itn, struct ip_tunnel *t)  in ip_tunnel_add()  argument
265 	struct hlist_head *head = ip_bucket(itn, &t->parms);  in ip_tunnel_add()
268 		rcu_assign_pointer(itn->collect_md_tun, t);  in ip_tunnel_add()
272 static void ip_tunnel_del(struct ip_tunnel_net *itn, struct ip_tunnel *t)  in ip_tunnel_del()  argument
275 		rcu_assign_pointer(itn->collect_md_tun, NULL);  in ip_tunnel_del()
279 static struct ip_tunnel *ip_tunnel_find(struct ip_tunnel_net *itn,  in ip_tunnel_find()  argument
289 	struct hlist_head *head = ip_bucket(itn, parms);  in ip_tunnel_find()
410 					  struct ip_tunnel_net *itn,  in ip_tunnel_create()  argument
416 	BUG_ON(!itn->fb_tunnel_dev);  in ip_tunnel_create()
417 	dev = __ip_tunnel_create(net, itn->fb_tunnel_dev->rtnl_link_ops, parms);  in ip_tunnel_create()
424 	ip_tunnel_add(itn, nt);  in ip_tunnel_create()
815 static void ip_tunnel_update(struct ip_tunnel_net *itn,  in ip_tunnel_update()  argument
821 	ip_tunnel_del(itn, t);  in ip_tunnel_update()
830 	ip_tunnel_add(itn, t);  in ip_tunnel_update()
853 	struct ip_tunnel_net *itn = net_generic(net, t->ip_tnl_net_id);  in ip_tunnel_ioctl()  local
855 	BUG_ON(!itn->fb_tunnel_dev);  in ip_tunnel_ioctl()
858 		if (dev == itn->fb_tunnel_dev) {  in ip_tunnel_ioctl()
859 			t = ip_tunnel_find(itn, p, itn->fb_tunnel_dev->type);  in ip_tunnel_ioctl()
880 		t = ip_tunnel_find(itn, p, itn->fb_tunnel_dev->type);  in ip_tunnel_ioctl()
884 				t = ip_tunnel_create(net, itn, p);  in ip_tunnel_ioctl()
892 		if (dev != itn->fb_tunnel_dev && cmd == SIOCCHGTUNNEL) {  in ip_tunnel_ioctl()
917 			ip_tunnel_update(itn, t, dev, p, true);  in ip_tunnel_ioctl()
928 		if (dev == itn->fb_tunnel_dev) {  in ip_tunnel_ioctl()
930 			t = ip_tunnel_find(itn, p, itn->fb_tunnel_dev->type);  in ip_tunnel_ioctl()
934 			if (t == netdev_priv(itn->fb_tunnel_dev))  in ip_tunnel_ioctl()
991 	struct ip_tunnel_net *itn;  in ip_tunnel_dellink()  local
993 	itn = net_generic(tunnel->net, tunnel->ip_tnl_net_id);  in ip_tunnel_dellink()
995 	if (itn->fb_tunnel_dev != dev) {  in ip_tunnel_dellink()
996 		ip_tunnel_del(itn, netdev_priv(dev));  in ip_tunnel_dellink()
1021 	struct ip_tunnel_net *itn = net_generic(net, ip_tnl_net_id);  in ip_tunnel_init_net()  local
1026 		INIT_HLIST_HEAD(&itn->tunnels[i]);  in ip_tunnel_init_net()
1029 		itn->fb_tunnel_dev = NULL;  in ip_tunnel_init_net()
1038 	itn->fb_tunnel_dev = __ip_tunnel_create(net, ops, &parms);  in ip_tunnel_init_net()
1042 	if (!IS_ERR(itn->fb_tunnel_dev)) {  in ip_tunnel_init_net()
1043 		itn->fb_tunnel_dev->features |= NETIF_F_NETNS_LOCAL;  in ip_tunnel_init_net()
1044 		itn->fb_tunnel_dev->mtu = ip_tunnel_bind_dev(itn->fb_tunnel_dev);  in ip_tunnel_init_net()
1045 		ip_tunnel_add(itn, netdev_priv(itn->fb_tunnel_dev));  in ip_tunnel_init_net()
1049 	return PTR_ERR_OR_ZERO(itn->fb_tunnel_dev);  in ip_tunnel_init_net()
1053 static void ip_tunnel_destroy(struct ip_tunnel_net *itn, struct list_head *head,  in ip_tunnel_destroy()  argument
1056 	struct net *net = dev_net(itn->fb_tunnel_dev);  in ip_tunnel_destroy()
1067 		struct hlist_head *thead = &itn->tunnels[h];  in ip_tunnel_destroy()
1078 void ip_tunnel_delete_net(struct ip_tunnel_net *itn, struct rtnl_link_ops *ops)  in ip_tunnel_delete_net()  argument
1083 	ip_tunnel_destroy(itn, &list, ops);  in ip_tunnel_delete_net()
1094 	struct ip_tunnel_net *itn;  in ip_tunnel_newlink()  local
1099 	itn = net_generic(net, nt->ip_tnl_net_id);  in ip_tunnel_newlink()
1102 		if (rtnl_dereference(itn->collect_md_tun))  in ip_tunnel_newlink()
1105 		if (ip_tunnel_find(itn, p, dev->type))  in ip_tunnel_newlink()
1122 	ip_tunnel_add(itn, nt);  in ip_tunnel_newlink()
1134 	struct ip_tunnel_net *itn = net_generic(net, tunnel->ip_tnl_net_id);  in ip_tunnel_changelink()  local
1136 	if (dev == itn->fb_tunnel_dev)  in ip_tunnel_changelink()
1139 	t = ip_tunnel_find(itn, p, dev->type);  in ip_tunnel_changelink()
1161 	ip_tunnel_update(itn, t, dev, p, !tb[IFLA_MTU]);  in ip_tunnel_changelink()
1208 	struct ip_tunnel_net *itn;  in ip_tunnel_uninit()  local
1210 	itn = net_generic(net, tunnel->ip_tnl_net_id);  in ip_tunnel_uninit()
1212 	if (itn->fb_tunnel_dev != dev)  in ip_tunnel_uninit()
1213 		ip_tunnel_del(itn, netdev_priv(dev));  in ip_tunnel_uninit()