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14beb548 DS |
1 | /* mlag 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 __MLAG_H__ | |
23 | #define __MLAG_H__ | |
24 | ||
5e244469 RW |
25 | #ifdef __cplusplus |
26 | extern "C" { | |
27 | #endif | |
28 | ||
46c2687c SK |
29 | #include "lib/if.h" |
30 | #include "lib/vrf.h" | |
31 | #include "lib/stream.h" | |
32 | ||
ee235396 SK |
33 | #define MLAG_MSG_NULL_PAYLOAD 0 |
34 | #define MLAG_MSG_NO_BATCH 1 | |
36b5b98f SK |
35 | #define MLAG_BUF_LIMIT 2048 |
36 | ||
14beb548 DS |
37 | enum mlag_role { |
38 | MLAG_ROLE_NONE, | |
39 | MLAG_ROLE_PRIMARY, | |
40 | MLAG_ROLE_SECONDARY | |
41 | }; | |
42 | ||
46c2687c SK |
43 | enum mlag_state { |
44 | MLAG_STATE_DOWN, | |
45 | MLAG_STATE_RUNNING, | |
46 | }; | |
47 | ||
48 | enum mlag_frr_state { | |
49 | MLAG_FRR_STATE_NONE, | |
50 | MLAG_FRR_STATE_DOWN, | |
51 | MLAG_FRR_STATE_UP, | |
52 | }; | |
53 | ||
54 | enum mlag_owner { | |
55 | MLAG_OWNER_NONE, | |
56 | MLAG_OWNER_INTERFACE, | |
57 | MLAG_OWNER_VXLAN, | |
58 | }; | |
59 | ||
36b5b98f SK |
60 | /* |
61 | * This message definition should match mlag.proto | |
46c2687c | 62 | * Because message registration is based on this |
36b5b98f SK |
63 | */ |
64 | enum mlag_msg_type { | |
65 | MLAG_MSG_NONE = 0, | |
66 | MLAG_REGISTER = 1, | |
67 | MLAG_DEREGISTER = 2, | |
68 | MLAG_STATUS_UPDATE = 3, | |
69 | MLAG_MROUTE_ADD = 4, | |
70 | MLAG_MROUTE_DEL = 5, | |
71 | MLAG_DUMP = 6, | |
72 | MLAG_MROUTE_ADD_BULK = 7, | |
73 | MLAG_MROUTE_DEL_BULK = 8, | |
74 | MLAG_PIM_CFG_DUMP = 10, | |
75 | MLAG_VXLAN_UPDATE = 11, | |
76 | MLAG_PEER_FRR_STATUS = 12, | |
77 | }; | |
78 | ||
46c2687c SK |
79 | struct mlag_frr_status { |
80 | enum mlag_frr_state frr_state; | |
81 | }; | |
82 | ||
83 | struct mlag_status { | |
84 | char peerlink_rif[INTERFACE_NAMSIZ]; | |
85 | enum mlag_role my_role; | |
86 | enum mlag_state peer_state; | |
87 | }; | |
5e244469 | 88 | |
46c2687c SK |
89 | #define MLAG_ROLE_STRSIZE 16 |
90 | ||
91 | struct mlag_vxlan { | |
92 | uint32_t anycast_ip; | |
93 | uint32_t local_ip; | |
94 | }; | |
95 | ||
96 | struct mlag_mroute_add { | |
97 | char vrf_name[VRF_NAMSIZ]; | |
98 | uint32_t source_ip; | |
99 | uint32_t group_ip; | |
100 | uint32_t cost_to_rp; | |
101 | enum mlag_owner owner_id; | |
102 | bool am_i_dr; | |
103 | bool am_i_dual_active; | |
104 | vrf_id_t vrf_id; | |
105 | char intf_name[INTERFACE_NAMSIZ]; | |
106 | }; | |
107 | ||
108 | struct mlag_mroute_del { | |
109 | char vrf_name[VRF_NAMSIZ]; | |
110 | uint32_t source_ip; | |
111 | uint32_t group_ip; | |
112 | enum mlag_owner owner_id; | |
113 | vrf_id_t vrf_id; | |
114 | char intf_name[INTERFACE_NAMSIZ]; | |
115 | }; | |
116 | ||
117 | struct mlag_msg { | |
118 | enum mlag_msg_type msg_type; | |
119 | uint16_t data_len; | |
120 | uint16_t msg_cnt; | |
121 | uint8_t data[0]; | |
1e76492b | 122 | } __attribute__((packed)); |
46c2687c SK |
123 | |
124 | ||
125 | extern char *mlag_role2str(enum mlag_role role, char *buf, size_t size); | |
1e76492b SK |
126 | extern char *mlag_lib_msgid_to_str(enum mlag_msg_type msg_type, char *buf, |
127 | size_t size); | |
83f8a12b SK |
128 | extern int mlag_lib_decode_mlag_hdr(struct stream *s, struct mlag_msg *msg, |
129 | size_t *length); | |
1e76492b | 130 | extern int mlag_lib_decode_mroute_add(struct stream *s, |
83f8a12b SK |
131 | struct mlag_mroute_add *msg, |
132 | size_t *length); | |
1e76492b | 133 | extern int mlag_lib_decode_mroute_del(struct stream *s, |
83f8a12b SK |
134 | struct mlag_mroute_del *msg, |
135 | size_t *length); | |
1e76492b SK |
136 | extern int mlag_lib_decode_mlag_status(struct stream *s, |
137 | struct mlag_status *msg); | |
138 | extern int mlag_lib_decode_vxlan_update(struct stream *s, | |
139 | struct mlag_vxlan *msg); | |
140 | extern int mlag_lib_decode_frr_status(struct stream *s, | |
141 | struct mlag_frr_status *msg); | |
5e244469 RW |
142 | #ifdef __cplusplus |
143 | } | |
144 | #endif | |
145 | ||
14beb548 | 146 | #endif |