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ea0797c9 | 1 | /* Copyright (c) 2013, 2015 Nicira, Inc. |
7d1a8e7a JG |
2 | * |
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: | |
6 | * | |
7 | * http://www.apache.org/licenses/LICENSE-2.0 | |
8 | * | |
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. | |
14 | */ | |
15 | ||
16 | #ifndef TUNNEL_H | |
17 | #define TUNNEL_H 1 | |
18 | ||
19 | #include <stdbool.h> | |
20 | #include <stdint.h> | |
21 | #include "flow.h" | |
22 | ||
23 | /* Tunnel port emulation layer. | |
24 | * | |
25 | * These functions emulate tunnel virtual ports based on the outer | |
26 | * header information from the kernel. */ | |
27 | ||
a36de779 | 28 | struct ovs_action_push_tnl; |
e1939dbf EJ |
29 | struct ofport_dpif; |
30 | struct netdev; | |
4975aa3e | 31 | struct netdev_tnl_build_header_params; |
7d1a8e7a | 32 | |
493823d8 | 33 | void ofproto_tunnel_init(void); |
e1939dbf | 34 | bool tnl_port_reconfigure(const struct ofport_dpif *, const struct netdev *, |
c8025aee BN |
35 | odp_port_t new_odp_port, odp_port_t old_odp_port, |
36 | bool native_tnl, const char name[]); | |
7d1a8e7a | 37 | |
ea0797c9 | 38 | int tnl_port_add(const struct ofport_dpif *, const struct netdev *, |
c8025aee BN |
39 | odp_port_t, bool native_tnl, const char name[]); |
40 | void tnl_port_del(const struct ofport_dpif *, odp_port_t); | |
7d1a8e7a | 41 | |
e1939dbf | 42 | const struct ofport_dpif *tnl_port_receive(const struct flow *); |
227a0141 BP |
43 | void tnl_wc_init(struct flow *, struct flow_wildcards *); |
44 | bool tnl_process_ecn(struct flow *); | |
42943cde | 45 | odp_port_t tnl_port_send(const struct ofport_dpif *, struct flow *, |
4e022ec0 | 46 | struct flow_wildcards *wc); |
7d1a8e7a JG |
47 | |
48 | /* Returns true if 'flow' should be submitted to tnl_port_receive(). */ | |
49 | static inline bool | |
50 | tnl_port_should_receive(const struct flow *flow) | |
51 | { | |
ffe4c74f | 52 | return flow_tnl_dst_is_set(&flow->tunnel); |
7d1a8e7a JG |
53 | } |
54 | ||
4975aa3e PS |
55 | int |
56 | tnl_port_build_header(const struct ofport_dpif *ofport, | |
57 | struct ovs_action_push_tnl *data, | |
58 | const struct netdev_tnl_build_header_params *params); | |
a36de779 | 59 | |
7d1a8e7a | 60 | #endif /* tunnel.h */ |