96 struct ip_tunnel *ip_tunnel_lookup(struct ip_tunnel_net *itn,  in ip_tunnel_lookup()  argument
106 	head = &itn->tunnels[hash];  in ip_tunnel_lookup()
139 	head = &itn->tunnels[hash];  in ip_tunnel_lookup()
178 	t = rcu_dereference(itn->collect_md_tun);  in ip_tunnel_lookup()
182 	if (itn->fb_tunnel_dev && itn->fb_tunnel_dev->flags & IFF_UP)  in ip_tunnel_lookup()
183 		return netdev_priv(itn->fb_tunnel_dev);  in ip_tunnel_lookup()
189 static struct hlist_head *ip_bucket(struct ip_tunnel_net *itn,  in ip_bucket()  argument
205 	return &itn->tunnels[h];  in ip_bucket()
208 static void ip_tunnel_add(struct ip_tunnel_net *itn, struct ip_tunnel *t)  in ip_tunnel_add()  argument
210 	struct hlist_head *head = ip_bucket(itn, &t->parms);  in ip_tunnel_add()
213 		rcu_assign_pointer(itn->collect_md_tun, t);  in ip_tunnel_add()
217 static void ip_tunnel_del(struct ip_tunnel_net *itn, struct ip_tunnel *t)  in ip_tunnel_del()  argument
220 		rcu_assign_pointer(itn->collect_md_tun, NULL);  in ip_tunnel_del()
224 static struct ip_tunnel *ip_tunnel_find(struct ip_tunnel_net *itn,  in ip_tunnel_find()  argument
234 	struct hlist_head *head = ip_bucket(itn, parms);  in ip_tunnel_find()
344 					  struct ip_tunnel_net *itn,  in ip_tunnel_create()  argument
353 	dev = __ip_tunnel_create(net, itn->rtnl_link_ops, parms);  in ip_tunnel_create()
366 	ip_tunnel_add(itn, nt);  in ip_tunnel_create()
801 static void ip_tunnel_update(struct ip_tunnel_net *itn,  in ip_tunnel_update()  argument
808 	ip_tunnel_del(itn, t);  in ip_tunnel_update()
817 	ip_tunnel_add(itn, t);  in ip_tunnel_update()
841 	struct ip_tunnel_net *itn = net_generic(net, t->ip_tnl_net_id);  in ip_tunnel_ioctl()  local
845 		if (dev == itn->fb_tunnel_dev) {  in ip_tunnel_ioctl()
846 			t = ip_tunnel_find(itn, p, itn->fb_tunnel_dev->type);  in ip_tunnel_ioctl()
867 		t = ip_tunnel_find(itn, p, itn->type);  in ip_tunnel_ioctl()
871 				t = ip_tunnel_create(net, itn, p);  in ip_tunnel_ioctl()
879 		if (dev != itn->fb_tunnel_dev && cmd == SIOCCHGTUNNEL) {  in ip_tunnel_ioctl()
904 			ip_tunnel_update(itn, t, dev, p, true, 0);  in ip_tunnel_ioctl()
915 		if (dev == itn->fb_tunnel_dev) {  in ip_tunnel_ioctl()
917 			t = ip_tunnel_find(itn, p, itn->fb_tunnel_dev->type);  in ip_tunnel_ioctl()
921 			if (t == netdev_priv(itn->fb_tunnel_dev))  in ip_tunnel_ioctl()
977 	struct ip_tunnel_net *itn;  in ip_tunnel_dellink()  local
979 	itn = net_generic(tunnel->net, tunnel->ip_tnl_net_id);  in ip_tunnel_dellink()
981 	if (itn->fb_tunnel_dev != dev) {  in ip_tunnel_dellink()
982 		ip_tunnel_del(itn, netdev_priv(dev));  in ip_tunnel_dellink()
1007 	struct ip_tunnel_net *itn = net_generic(net, ip_tnl_net_id);  in ip_tunnel_init_net()  local
1011 	itn->rtnl_link_ops = ops;  in ip_tunnel_init_net()
1013 		INIT_HLIST_HEAD(&itn->tunnels[i]);  in ip_tunnel_init_net()
1019 		itn->type = it_init_net->type;  in ip_tunnel_init_net()
1020 		itn->fb_tunnel_dev = NULL;  in ip_tunnel_init_net()
1029 	itn->fb_tunnel_dev = __ip_tunnel_create(net, ops, &parms);  in ip_tunnel_init_net()
1033 	if (!IS_ERR(itn->fb_tunnel_dev)) {  in ip_tunnel_init_net()
1034 		itn->fb_tunnel_dev->features |= NETIF_F_NETNS_LOCAL;  in ip_tunnel_init_net()
1035 		itn->fb_tunnel_dev->mtu = ip_tunnel_bind_dev(itn->fb_tunnel_dev);  in ip_tunnel_init_net()
1036 		ip_tunnel_add(itn, netdev_priv(itn->fb_tunnel_dev));  in ip_tunnel_init_net()
1037 		itn->type = itn->fb_tunnel_dev->type;  in ip_tunnel_init_net()
1041 	return PTR_ERR_OR_ZERO(itn->fb_tunnel_dev);  in ip_tunnel_init_net()
1045 static void ip_tunnel_destroy(struct net *net, struct ip_tunnel_net *itn,  in ip_tunnel_destroy()  argument
1059 		struct hlist_head *thead = &itn->tunnels[h];  in ip_tunnel_destroy()
1073 	struct ip_tunnel_net *itn;  in ip_tunnel_delete_nets()  local
1079 		itn = net_generic(net, id);  in ip_tunnel_delete_nets()
1080 		ip_tunnel_destroy(net, itn, &list, ops);  in ip_tunnel_delete_nets()
1092 	struct ip_tunnel_net *itn;  in ip_tunnel_newlink()  local
1097 	itn = net_generic(net, nt->ip_tnl_net_id);  in ip_tunnel_newlink()
1100 		if (rtnl_dereference(itn->collect_md_tun))  in ip_tunnel_newlink()
1103 		if (ip_tunnel_find(itn, p, dev->type))  in ip_tunnel_newlink()
1129 	ip_tunnel_add(itn, nt);  in ip_tunnel_newlink()
1145 	struct ip_tunnel_net *itn = net_generic(net, tunnel->ip_tnl_net_id);  in ip_tunnel_changelink()  local
1147 	if (dev == itn->fb_tunnel_dev)  in ip_tunnel_changelink()
1150 	t = ip_tunnel_find(itn, p, dev->type);  in ip_tunnel_changelink()
1172 	ip_tunnel_update(itn, t, dev, p, !tb[IFLA_MTU], fwmark);  in ip_tunnel_changelink()
1220 	struct ip_tunnel_net *itn;  in ip_tunnel_uninit()  local
1222 	itn = net_generic(net, tunnel->ip_tnl_net_id);  in ip_tunnel_uninit()
1224 	if (itn->fb_tunnel_dev != dev)  in ip_tunnel_uninit()
1225 		ip_tunnel_del(itn, netdev_priv(dev));  in ip_tunnel_uninit()