83 struct ip_tunnel *ip_tunnel_lookup(struct ip_tunnel_net *itn,  in ip_tunnel_lookup()  argument
93 	head = &itn->tunnels[hash];  in ip_tunnel_lookup()
126 	head = &itn->tunnels[hash];  in ip_tunnel_lookup()
165 	t = rcu_dereference(itn->collect_md_tun);  in ip_tunnel_lookup()
169 	if (itn->fb_tunnel_dev && itn->fb_tunnel_dev->flags & IFF_UP)  in ip_tunnel_lookup()
170 		return netdev_priv(itn->fb_tunnel_dev);  in ip_tunnel_lookup()
176 static struct hlist_head *ip_bucket(struct ip_tunnel_net *itn,  in ip_bucket()  argument
192 	return &itn->tunnels[h];  in ip_bucket()
195 static void ip_tunnel_add(struct ip_tunnel_net *itn, struct ip_tunnel *t)  in ip_tunnel_add()  argument
197 	struct hlist_head *head = ip_bucket(itn, &t->parms);  in ip_tunnel_add()
200 		rcu_assign_pointer(itn->collect_md_tun, t);  in ip_tunnel_add()
204 static void ip_tunnel_del(struct ip_tunnel_net *itn, struct ip_tunnel *t)  in ip_tunnel_del()  argument
207 		rcu_assign_pointer(itn->collect_md_tun, NULL);  in ip_tunnel_del()
211 static struct ip_tunnel *ip_tunnel_find(struct ip_tunnel_net *itn,  in ip_tunnel_find()  argument
221 	struct hlist_head *head = ip_bucket(itn, parms);  in ip_tunnel_find()
331 					  struct ip_tunnel_net *itn,  in ip_tunnel_create()  argument
340 	dev = __ip_tunnel_create(net, itn->rtnl_link_ops, parms);  in ip_tunnel_create()
353 	ip_tunnel_add(itn, nt);  in ip_tunnel_create()
832 static void ip_tunnel_update(struct ip_tunnel_net *itn,  in ip_tunnel_update()  argument
839 	ip_tunnel_del(itn, t);  in ip_tunnel_update()
848 	ip_tunnel_add(itn, t);  in ip_tunnel_update()
872 	struct ip_tunnel_net *itn = net_generic(net, t->ip_tnl_net_id);  in ip_tunnel_ioctl()  local
876 		if (dev == itn->fb_tunnel_dev) {  in ip_tunnel_ioctl()
877 			t = ip_tunnel_find(itn, p, itn->fb_tunnel_dev->type);  in ip_tunnel_ioctl()
898 		t = ip_tunnel_find(itn, p, itn->type);  in ip_tunnel_ioctl()
902 				t = ip_tunnel_create(net, itn, p);  in ip_tunnel_ioctl()
910 		if (dev != itn->fb_tunnel_dev && cmd == SIOCCHGTUNNEL) {  in ip_tunnel_ioctl()
935 			ip_tunnel_update(itn, t, dev, p, true, 0);  in ip_tunnel_ioctl()
946 		if (dev == itn->fb_tunnel_dev) {  in ip_tunnel_ioctl()
948 			t = ip_tunnel_find(itn, p, itn->fb_tunnel_dev->type);  in ip_tunnel_ioctl()
952 			if (t == netdev_priv(itn->fb_tunnel_dev))  in ip_tunnel_ioctl()
1008 	struct ip_tunnel_net *itn;  in ip_tunnel_dellink()  local
1010 	itn = net_generic(tunnel->net, tunnel->ip_tnl_net_id);  in ip_tunnel_dellink()
1012 	if (itn->fb_tunnel_dev != dev) {  in ip_tunnel_dellink()
1013 		ip_tunnel_del(itn, netdev_priv(dev));  in ip_tunnel_dellink()
1038 	struct ip_tunnel_net *itn = net_generic(net, ip_tnl_net_id);  in ip_tunnel_init_net()  local
1042 	itn->rtnl_link_ops = ops;  in ip_tunnel_init_net()
1044 		INIT_HLIST_HEAD(&itn->tunnels[i]);  in ip_tunnel_init_net()
1050 		itn->type = it_init_net->type;  in ip_tunnel_init_net()
1051 		itn->fb_tunnel_dev = NULL;  in ip_tunnel_init_net()
1060 	itn->fb_tunnel_dev = __ip_tunnel_create(net, ops, &parms);  in ip_tunnel_init_net()
1064 	if (!IS_ERR(itn->fb_tunnel_dev)) {  in ip_tunnel_init_net()
1065 		itn->fb_tunnel_dev->features |= NETIF_F_NETNS_LOCAL;  in ip_tunnel_init_net()
1066 		itn->fb_tunnel_dev->mtu = ip_tunnel_bind_dev(itn->fb_tunnel_dev);  in ip_tunnel_init_net()
1067 		ip_tunnel_add(itn, netdev_priv(itn->fb_tunnel_dev));  in ip_tunnel_init_net()
1068 		itn->type = itn->fb_tunnel_dev->type;  in ip_tunnel_init_net()
1072 	return PTR_ERR_OR_ZERO(itn->fb_tunnel_dev);  in ip_tunnel_init_net()
1076 static void ip_tunnel_destroy(struct net *net, struct ip_tunnel_net *itn,  in ip_tunnel_destroy()  argument
1090 		struct hlist_head *thead = &itn->tunnels[h];  in ip_tunnel_destroy()
1104 	struct ip_tunnel_net *itn;  in ip_tunnel_delete_nets()  local
1110 		itn = net_generic(net, id);  in ip_tunnel_delete_nets()
1111 		ip_tunnel_destroy(net, itn, &list, ops);  in ip_tunnel_delete_nets()
1123 	struct ip_tunnel_net *itn;  in ip_tunnel_newlink()  local
1128 	itn = net_generic(net, nt->ip_tnl_net_id);  in ip_tunnel_newlink()
1131 		if (rtnl_dereference(itn->collect_md_tun))  in ip_tunnel_newlink()
1134 		if (ip_tunnel_find(itn, p, dev->type))  in ip_tunnel_newlink()
1160 	ip_tunnel_add(itn, nt);  in ip_tunnel_newlink()
1176 	struct ip_tunnel_net *itn = net_generic(net, tunnel->ip_tnl_net_id);  in ip_tunnel_changelink()  local
1178 	if (dev == itn->fb_tunnel_dev)  in ip_tunnel_changelink()
1181 	t = ip_tunnel_find(itn, p, dev->type);  in ip_tunnel_changelink()
1203 	ip_tunnel_update(itn, t, dev, p, !tb[IFLA_MTU], fwmark);  in ip_tunnel_changelink()
1251 	struct ip_tunnel_net *itn;  in ip_tunnel_uninit()  local
1253 	itn = net_generic(net, tunnel->ip_tnl_net_id);  in ip_tunnel_uninit()
1255 	if (itn->fb_tunnel_dev != dev)  in ip_tunnel_uninit()
1256 		ip_tunnel_del(itn, netdev_priv(dev));  in ip_tunnel_uninit()