1 /* Copyright (c) 2013, 2015 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. */
28 struct ovs_action_push_tnl
;
31 struct netdev_tnl_build_header_params
;
33 void ofproto_tunnel_init(void);
34 bool tnl_port_reconfigure(const struct ofport_dpif
*, const struct netdev
*,
35 odp_port_t
, bool native_tnl
, const char name
[]);
37 int tnl_port_add(const struct ofport_dpif
*, const struct netdev
*,
38 odp_port_t odp_port
, bool native_tnl
, const char name
[]);
39 void tnl_port_del(const struct ofport_dpif
*);
41 const struct ofport_dpif
*tnl_port_receive(const struct flow
*);
42 void tnl_wc_init(struct flow
*, struct flow_wildcards
*);
43 bool tnl_process_ecn(struct flow
*);
44 odp_port_t
tnl_port_send(const struct ofport_dpif
*, struct flow
*,
45 struct flow_wildcards
*wc
);
47 /* Returns true if 'flow' should be submitted to tnl_port_receive(). */
49 tnl_port_should_receive(const struct flow
*flow
)
51 return flow_tnl_dst_is_set(&flow
->tunnel
);
55 tnl_port_build_header(const struct ofport_dpif
*ofport
,
56 struct ovs_action_push_tnl
*data
,
57 const struct netdev_tnl_build_header_params
*params
);