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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
/*
* Ouroboros - Copyright (C) 2016 - 2023
*
* IPCP definitions and policies
*
* Dimitri Staessens <dimitri@ouroboros.rocks>
* Sander Vrijders <sander@ouroboros.rocks>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* version 2.1 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., http://www.fsf.org/about/contact/.
*/
#ifndef OUROBOROS_IPCP_H
#define OUROBOROS_IPCP_H
#include <stdint.h>
#include <unistd.h>
#include <stdbool.h>
#define LAYER_NAME_SIZE 255
/* NOTE: The IRMd uses this order to select an IPCP for flow allocation. */
enum ipcp_type {
IPCP_LOCAL = 0,
IPCP_UNICAST,
IPCP_BROADCAST,
IPCP_ETH_LLC,
IPCP_ETH_DIX,
IPCP_UDP,
IPCP_INVALID
};
/* Unicast IPCP policies */
enum pol_addr_auth {
ADDR_AUTH_FLAT_RANDOM = 0
};
enum pol_routing {
ROUTING_LINK_STATE = 0,
ROUTING_LINK_STATE_LFA,
ROUTING_LINK_STATE_ECMP
};
enum pol_cong_avoid {
CA_NONE = 0,
CA_MB_ECN
};
enum pol_dir_hash {
DIR_HASH_SHA3_224 = 0,
DIR_HASH_SHA3_256,
DIR_HASH_SHA3_384,
DIR_HASH_SHA3_512
};
struct dt_config {
uint8_t addr_size;
uint8_t eid_size;
uint8_t max_ttl;
enum pol_routing routing_type;
};
/* IPCP configuration */
struct uni_config {
struct dt_config dt;
enum pol_addr_auth addr_auth_type;
enum pol_cong_avoid cong_avoid;
};
struct eth_config {
char * dev;
uint16_t ethertype; /* DIX only*/
};
struct udp_config {
uint32_t ip_addr;
uint32_t dns_addr;
uint16_t port;
};
/* Info reported back to the IRMd about the layer on enrollment */
struct layer_info {
char layer_name[LAYER_NAME_SIZE + 1];
int dir_hash_algo;
};
/* Structure to configure the first IPCP */
struct ipcp_config {
struct layer_info layer_info;
enum ipcp_type type;
union {
struct uni_config unicast;
struct udp_config udp;
struct eth_config eth;
};
};
#endif /* OUROBOROS_IPCP_H */
|