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064f4896 CF |
1 | /* |
2 | * IS-IS Rout(e)ing protocol - Multi Topology Support | |
3 | * | |
4 | * Copyright (C) 2017 Christian Franke | |
5 | * | |
6 | * This file is part of FreeRangeRouting (FRR) | |
7 | * | |
8 | * FRR is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2, or (at your option) any | |
11 | * later version. | |
12 | * | |
13 | * FRR is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
896014f4 DL |
18 | * You should have received a copy of the GNU General Public License along |
19 | * with this program; see the file COPYING; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
064f4896 CF |
21 | */ |
22 | #ifndef ISIS_MT_H | |
23 | #define ISIS_MT_H | |
24 | ||
99894f9a CF |
25 | #define ISIS_MT_MASK 0x0fff |
26 | #define ISIS_MT_OL_MASK 0x8000 | |
27 | ||
064f4896 CF |
28 | #define ISIS_MT_IPV4_UNICAST 0 |
29 | #define ISIS_MT_IPV4_MGMT 1 | |
30 | #define ISIS_MT_IPV6_UNICAST 2 | |
31 | #define ISIS_MT_IPV4_MULTICAST 3 | |
32 | #define ISIS_MT_IPV6_MULTICAST 4 | |
33 | #define ISIS_MT_IPV6_MGMT 5 | |
34 | ||
35 | #define ISIS_MT_NAMES \ | |
36 | "<ipv4-unicast" \ | |
37 | "|ipv4-mgmt" \ | |
38 | "|ipv6-unicast" \ | |
39 | "|ipv4-multicast" \ | |
40 | "|ipv6-multicast" \ | |
41 | "|ipv6-mgmt" \ | |
42 | ">" | |
43 | ||
44 | #define ISIS_MT_DESCRIPTIONS \ | |
45 | "IPv4 unicast topology\n" \ | |
46 | "IPv4 management topology\n" \ | |
47 | "IPv6 unicast topology\n" \ | |
48 | "IPv4 multicast topology\n" \ | |
49 | "IPv6 multicast topology\n" \ | |
50 | "IPv6 management topology\n" | |
51 | ||
52 | #define ISIS_MT_INFO_FIELDS \ | |
53 | uint16_t mtid; | |
54 | ||
206f4aae CF |
55 | struct list; |
56 | ||
064f4896 CF |
57 | struct isis_area_mt_setting { |
58 | ISIS_MT_INFO_FIELDS | |
59 | bool enabled; | |
60 | bool overload; | |
61 | }; | |
62 | ||
63 | struct isis_circuit_mt_setting { | |
64 | ISIS_MT_INFO_FIELDS | |
65 | bool enabled; | |
66 | }; | |
67 | ||
206f4aae CF |
68 | struct tlv_mt_neighbors { |
69 | ISIS_MT_INFO_FIELDS | |
70 | struct list *list; | |
71 | }; | |
72 | ||
c3ae3127 CF |
73 | struct tlv_mt_ipv4_reachs { |
74 | ISIS_MT_INFO_FIELDS | |
75 | struct list *list; | |
76 | }; | |
77 | ||
78 | struct tlv_mt_ipv6_reachs { | |
79 | ISIS_MT_INFO_FIELDS | |
80 | struct list *list; | |
81 | }; | |
82 | ||
064f4896 CF |
83 | const char *isis_mtid2str(uint16_t mtid); |
84 | uint16_t isis_str2mtid(const char *name); | |
85 | ||
d8fba7d9 | 86 | struct isis_adjacency; |
064f4896 CF |
87 | struct isis_area; |
88 | struct isis_circuit; | |
d8fba7d9 | 89 | struct tlvs; |
206f4aae CF |
90 | struct te_is_neigh; |
91 | ||
c3ae3127 CF |
92 | uint16_t isis_area_ipv6_topology(struct isis_area *area); |
93 | ||
2b67862c CF |
94 | struct mt_router_info* tlvs_lookup_mt_router_info(struct tlvs *tlvs, uint16_t mtid); |
95 | ||
206f4aae CF |
96 | struct tlv_mt_neighbors* tlvs_lookup_mt_neighbors(struct tlvs *tlvs, uint16_t mtid); |
97 | struct tlv_mt_neighbors* tlvs_get_mt_neighbors(struct tlvs *tlvs, uint16_t mtid); | |
064f4896 | 98 | |
c3ae3127 CF |
99 | struct tlv_mt_ipv4_reachs* tlvs_lookup_mt_ipv4_reachs(struct tlvs *tlvs, uint16_t mtid); |
100 | struct tlv_mt_ipv4_reachs* tlvs_get_mt_ipv4_reachs(struct tlvs *tlvs, uint16_t mtid); | |
101 | ||
102 | struct tlv_mt_ipv6_reachs* tlvs_lookup_mt_ipv6_reachs(struct tlvs *tlvs, uint16_t mtid); | |
103 | struct tlv_mt_ipv6_reachs* tlvs_get_mt_ipv6_reachs(struct tlvs *tlvs, uint16_t mtid); | |
104 | ||
064f4896 CF |
105 | struct isis_area_mt_setting* area_lookup_mt_setting(struct isis_area *area, |
106 | uint16_t mtid); | |
107 | struct isis_area_mt_setting* area_new_mt_setting(struct isis_area *area, | |
108 | uint16_t mtid); | |
109 | void area_add_mt_setting(struct isis_area *area, | |
110 | struct isis_area_mt_setting *setting); | |
111 | ||
112 | void area_mt_init(struct isis_area *area); | |
113 | void area_mt_finish(struct isis_area *area); | |
114 | struct isis_area_mt_setting* area_get_mt_setting(struct isis_area *area, | |
115 | uint16_t mtid); | |
116 | int area_write_mt_settings(struct isis_area *area, struct vty *vty); | |
99894f9a CF |
117 | bool area_is_mt(struct isis_area *area); |
118 | struct isis_area_mt_setting** area_mt_settings(struct isis_area *area, | |
119 | unsigned int *mt_count); | |
064f4896 CF |
120 | |
121 | struct isis_circuit_mt_setting* circuit_lookup_mt_setting( | |
122 | struct isis_circuit *circuit, | |
123 | uint16_t mtid); | |
124 | struct isis_circuit_mt_setting* circuit_new_mt_setting( | |
125 | struct isis_circuit *circuit, | |
126 | uint16_t mtid); | |
127 | void circuit_add_mt_setting(struct isis_circuit *circuit, | |
128 | struct isis_circuit_mt_setting *setting); | |
129 | void circuit_mt_init(struct isis_circuit *circuit); | |
130 | void circuit_mt_finish(struct isis_circuit *circuit); | |
131 | struct isis_circuit_mt_setting* circuit_get_mt_setting( | |
132 | struct isis_circuit *circuit, | |
133 | uint16_t mtid); | |
134 | int circuit_write_mt_settings(struct isis_circuit *circuit, struct vty *vty); | |
99894f9a CF |
135 | struct isis_circuit_mt_setting** circuit_mt_settings(struct isis_circuit *circuit, |
136 | unsigned int *mt_count); | |
d8fba7d9 CF |
137 | bool tlvs_to_adj_mt_set(struct tlvs *tlvs, bool v4_usable, bool v6_usable, |
138 | struct isis_adjacency *adj); | |
2b67862c | 139 | bool adj_has_mt(struct isis_adjacency *adj, uint16_t mtid); |
d8fba7d9 | 140 | void adj_mt_finish(struct isis_adjacency *adj); |
206f4aae CF |
141 | void tlvs_add_mt_bcast(struct tlvs *tlvs, struct isis_circuit *circuit, |
142 | int level, struct te_is_neigh *neigh); | |
143 | void tlvs_add_mt_p2p(struct tlvs *tlvs, struct isis_circuit *circuit, | |
144 | struct te_is_neigh *neigh); | |
064f4896 | 145 | #endif |