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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; | |
7d1a8e7a | 31 | |
493823d8 | 32 | void ofproto_tunnel_init(void); |
e1939dbf | 33 | bool tnl_port_reconfigure(const struct ofport_dpif *, const struct netdev *, |
a36de779 | 34 | odp_port_t, bool native_tnl, const char name[]); |
7d1a8e7a | 35 | |
ea0797c9 BP |
36 | int tnl_port_add(const struct ofport_dpif *, const struct netdev *, |
37 | odp_port_t odp_port, bool native_tnl, const char name[]); | |
42943cde | 38 | void tnl_port_del(const struct ofport_dpif *); |
7d1a8e7a | 39 | |
e1939dbf | 40 | const struct ofport_dpif *tnl_port_receive(const struct flow *); |
ad2e6498 | 41 | bool tnl_xlate_init(struct flow *, struct flow_wildcards *); |
42943cde | 42 | odp_port_t tnl_port_send(const struct ofport_dpif *, struct flow *, |
4e022ec0 | 43 | struct flow_wildcards *wc); |
7d1a8e7a JG |
44 | |
45 | /* Returns true if 'flow' should be submitted to tnl_port_receive(). */ | |
46 | static inline bool | |
47 | tnl_port_should_receive(const struct flow *flow) | |
48 | { | |
49 | return flow->tunnel.ip_dst != 0; | |
50 | } | |
51 | ||
a36de779 PS |
52 | int tnl_port_build_header(const struct ofport_dpif *ofport, |
53 | const struct flow *tnl_flow, | |
54 | uint8_t dmac[ETH_ADDR_LEN], | |
55 | uint8_t smac[ETH_ADDR_LEN], | |
56 | ovs_be32 ip_src, struct ovs_action_push_tnl *data); | |
57 | ||
7d1a8e7a | 58 | #endif /* tunnel.h */ |