1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/* Hey Emacs use -*- mode: C -*- */
/*
* Copyright (c) 2019 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
option version = "1.0.1";
import "vnet/interface_types.api";
import "vnet/ip/ip_types.api";
/**
* Flags controlling tunnel behaviour
*/
enum tunnel_encap_decap_flags : u8
{
TUNNEL_API_ENCAP_DECAP_FLAG_NONE = 0,
/** at encap, copy the DF bit of the payload into the tunnel header */
TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_COPY_DF = 0x1,
/** at encap, set the DF bit in the tunnel header */
TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_SET_DF = 0x2,
/** at encap, copy the DSCP bits of the payload into the tunnel header */
TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP = 0x4,
/** at encap, copy the ECN bit of the payload into the tunnel header */
TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_COPY_ECN = 0x8,
/** at decap, copy the ECN bit of the tunnel header into the payload */
TUNNEL_API_ENCAP_DECAP_FLAG_DECAP_COPY_ECN = 0x10,
/** at encap, compute flow hash on the inner packet for more entropy */
TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_INNER_HASH = 0x20 [backwards_compatible],
/** at encap, copy the hop-limit/TTL of the payload into the tunnel header */
TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_COPY_HOP_LIMIT = 0x40 [backwards_compatible],
/** at encap, copy the Flow Label of the payload into the tunnel header */
TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_COPY_FLOW_LABEL = 0x80 [backwards_compatible],
};
/**
* tunnel mode
*/
enum tunnel_mode : u8
{
/** point-to-point */
TUNNEL_API_MODE_P2P = 0,
/** multi-point */
TUNNEL_API_MODE_MP,
};
/**
* tunnel mode
*/
enumflag tunnel_flags : u8
{
/**
* the tunnel's MTU tracks the MTU of its destination
* Currently NOT IMPLEMENTATION (this is a API place-holder)
*/
TUNNEL_API_FLAG_TRACK_MTU = 0x1,
};
/**
* An IP{v4,v6} tunnel.
*/
typedef tunnel
{
/** If non-~0, specifies a custom dev instance */
u32 instance;
/** Tunnel source and destination address */
vl_api_address_t src;
vl_api_address_t dst;
/** ignored on create, set in details/dump */
vl_api_interface_index_t sw_if_index;
/** The table ID in which the source and destination addresses are valid */
u32 table_id;
vl_api_tunnel_encap_decap_flags_t encap_decap_flags;
vl_api_tunnel_mode_t mode;
vl_api_tunnel_flags_t flags;
/* DSCP value for the tunnel encap, ignored if ECNAP_COPY_DSCP flag is set */
vl_api_ip_dscp_t dscp;
/* TTL=0 is considered 255 */
u8 hop_limit;
};
/*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
|
