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89272910 DS |
1 | /* Zebra Router header. |
2 | * Copyright (C) 2018 Cumulus Networks, Inc. | |
3 | * Donald Sharp | |
4 | * | |
5 | * This file is part of FRR. | |
6 | * | |
7 | * FRR is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * FRR is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with FRR; see the file COPYING. If not, write to the Free | |
19 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
20 | * 02111-1307, USA. | |
21 | */ | |
22 | #ifndef __ZEBRA_ROUTER_H__ | |
23 | #define __ZEBRA_ROUTER_H__ | |
24 | ||
e96ba9da DS |
25 | #include "lib/mlag.h" |
26 | ||
89272910 DS |
27 | #include "zebra/zebra_ns.h" |
28 | ||
51e94aa7 EDP |
29 | #ifdef __cplusplus |
30 | extern "C" { | |
31 | #endif | |
32 | ||
89272910 DS |
33 | /* |
34 | * This header file contains the idea of a router and as such | |
35 | * owns data that is associated with a router from zebra's | |
36 | * perspective. | |
37 | */ | |
38 | ||
39 | struct zebra_router_table { | |
40 | RB_ENTRY(zebra_router_table) zebra_router_table_entry; | |
41 | ||
42 | uint32_t tableid; | |
43 | afi_t afi; | |
44 | safi_t safi; | |
45 | ns_id_t ns_id; | |
46 | ||
47 | struct route_table *table; | |
48 | }; | |
49 | RB_HEAD(zebra_router_table_head, zebra_router_table); | |
50 | RB_PROTOTYPE(zebra_router_table_head, zebra_router_table, | |
51 | zebra_router_table_entry, zebra_router_table_entry_compare) | |
52 | ||
526052fb DS |
53 | /* RPF lookup behaviour */ |
54 | enum multicast_mode { | |
55 | MCAST_NO_CONFIG = 0, /* MIX_MRIB_FIRST, but no show in config write */ | |
56 | MCAST_MRIB_ONLY, /* MRIB only */ | |
57 | MCAST_URIB_ONLY, /* URIB only */ | |
58 | MCAST_MIX_MRIB_FIRST, /* MRIB, if nothing at all then URIB */ | |
59 | MCAST_MIX_DISTANCE, /* MRIB & URIB, lower distance wins */ | |
60 | MCAST_MIX_PFXLEN, /* MRIB & URIB, longer prefix wins */ | |
61 | /* on equal value, MRIB wins for last 2 */ | |
62 | }; | |
63 | ||
e96ba9da DS |
64 | struct zebra_mlag_info { |
65 | /* Role this zebra router is playing */ | |
66 | enum mlag_role role; | |
67 | ||
68 | /* The peerlink being used for mlag */ | |
69 | char *peerlink; | |
70 | ifindex_t peerlink_ifindex; | |
71 | ||
72 | /* The system mac being used */ | |
73 | struct ethaddr mac; | |
74 | }; | |
75 | ||
89272910 | 76 | struct zebra_router { |
2fc69f03 MS |
77 | atomic_bool in_shutdown; |
78 | ||
3801e764 DS |
79 | /* Thread master */ |
80 | struct thread_master *master; | |
89272910 | 81 | |
161e9ab7 DS |
82 | /* Lists of clients who have connected to us */ |
83 | struct list *client_list; | |
84 | ||
89272910 | 85 | struct zebra_router_table_head tables; |
7f0ea8a4 | 86 | |
89272910 DS |
87 | /* L3-VNI hash table (for EVPN). Only in default instance */ |
88 | struct hash *l3vni_table; | |
7f0ea8a4 DS |
89 | |
90 | struct hash *rules_hash; | |
62f20a52 DS |
91 | |
92 | struct hash *ipset_hash; | |
93 | ||
94 | struct hash *ipset_entry_hash; | |
95 | ||
96 | struct hash *iptable_hash; | |
a3be9fa1 | 97 | |
9245fe61 PG |
98 | /* used if vrf backend is not network namespace */ |
99 | int rtadv_sock; | |
100 | ||
1485bbe7 DS |
101 | /* A sequence number used for tracking routes */ |
102 | _Atomic uint32_t sequence_num; | |
b3d43ff4 | 103 | |
489a9614 DS |
104 | /* rib work queue */ |
105 | #define ZEBRA_RIB_PROCESS_HOLD_TIME 10 | |
106 | #define ZEBRA_RIB_PROCESS_RETRY_TIME 1 | |
107 | struct work_queue *ribq; | |
ea45a4e7 DS |
108 | |
109 | /* Meta Queue Information */ | |
110 | struct meta_queue *mq; | |
e2353ec2 DS |
111 | |
112 | /* LSP work queue */ | |
113 | struct work_queue *lsp_process_q; | |
5ec5a716 DS |
114 | |
115 | #define ZEBRA_ZAPI_PACKETS_TO_PROCESS 1000 | |
116 | _Atomic uint32_t packets_to_process; | |
e96ba9da DS |
117 | |
118 | /* Mlag information for the router */ | |
119 | struct zebra_mlag_info mlag_info; | |
0fb2ad05 T |
120 | |
121 | /* | |
122 | * The EVPN instance, if any | |
123 | */ | |
124 | struct zebra_vrf *evpn_vrf; | |
b3f2b590 DS |
125 | |
126 | uint32_t multipath_num; | |
d4644d41 | 127 | |
526052fb DS |
128 | /* RPF Lookup behavior */ |
129 | enum multicast_mode ipv4_multicast_mode; | |
130 | ||
d4644d41 DS |
131 | /* |
132 | * Time for when we sweep the rib from old routes | |
133 | */ | |
134 | time_t startup_time; | |
89272910 DS |
135 | }; |
136 | ||
d4644d41 DS |
137 | #define GRACEFUL_RESTART_TIME 60 |
138 | ||
89272910 DS |
139 | extern struct zebra_router zrouter; |
140 | ||
141 | extern void zebra_router_init(void); | |
142 | extern void zebra_router_terminate(void); | |
143 | ||
144 | extern struct route_table *zebra_router_find_table(struct zebra_vrf *zvrf, | |
145 | uint32_t tableid, afi_t afi, | |
146 | safi_t safi); | |
147 | extern struct route_table *zebra_router_get_table(struct zebra_vrf *zvrf, | |
148 | uint32_t tableid, afi_t afi, | |
149 | safi_t safi); | |
bd4fb615 DS |
150 | extern void zebra_router_release_table(struct zebra_vrf *zvrf, uint32_t tableid, |
151 | afi_t afi, safi_t safi); | |
89272910 DS |
152 | |
153 | extern int zebra_router_config_write(struct vty *vty); | |
154 | ||
89272910 | 155 | extern void zebra_router_sweep_route(void); |
ac5aa23f DS |
156 | |
157 | extern void zebra_router_show_table_summary(struct vty *vty); | |
1485bbe7 DS |
158 | |
159 | extern uint32_t zebra_router_get_next_sequence(void); | |
0fb2ad05 T |
160 | |
161 | static inline vrf_id_t zebra_vrf_get_evpn_id(void) | |
162 | { | |
163 | return zrouter.evpn_vrf ? zvrf_id(zrouter.evpn_vrf) : VRF_DEFAULT; | |
164 | } | |
165 | static inline struct zebra_vrf *zebra_vrf_get_evpn(void) | |
166 | { | |
167 | return zrouter.evpn_vrf ? zrouter.evpn_vrf | |
168 | : zebra_vrf_lookup_by_id(VRF_DEFAULT); | |
169 | } | |
d074383c | 170 | |
526052fb DS |
171 | extern void multicast_mode_ipv4_set(enum multicast_mode mode); |
172 | ||
173 | extern enum multicast_mode multicast_mode_ipv4_get(void); | |
174 | ||
51e94aa7 EDP |
175 | #ifdef __cplusplus |
176 | } | |
177 | #endif | |
178 | ||
89272910 | 179 | #endif |