1 /* Copyright (c) 2013 Nicira, Inc.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
23 /* Tunnel port emulation layer.
25 * These functions emulate tunnel virtual ports based on the outer
26 * header information from the kernel. */
31 bool tnl_port_reconfigure(const struct ofport *, uint32_t odp_port,
34 struct tnl_port *tnl_port_add(const struct ofport *, uint32_t odp_port);
35 void tnl_port_del(struct tnl_port *);
37 const struct ofport *tnl_port_receive(struct flow *);
38 uint32_t tnl_port_send(const struct tnl_port *, struct flow *);
40 /* Returns true if 'flow' should be submitted to tnl_port_receive(). */
42 tnl_port_should_receive(const struct flow *flow)
44 return flow->tunnel.ip_dst != 0;