]>
Commit | Line | Data |
---|---|---|
6edbb8b2 DS |
1 | /* mlag generic code. |
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 | #include <zebra.h> | |
23 | ||
24 | #include <mlag.h> | |
25 | ||
26 | char *mlag_role2str(enum mlag_role role, char *buf, size_t size) | |
27 | { | |
28 | switch (role) { | |
29 | case MLAG_ROLE_NONE: | |
30 | snprintf(buf, size, "NONE"); | |
31 | break; | |
32 | case MLAG_ROLE_PRIMARY: | |
33 | snprintf(buf, size, "PRIMARY"); | |
34 | break; | |
35 | case MLAG_ROLE_SECONDARY: | |
36 | snprintf(buf, size, "SECONDARY"); | |
37 | break; | |
38 | } | |
39 | ||
40 | return buf; | |
41 | } | |
46c2687c | 42 | |
1e76492b | 43 | char *mlag_lib_msgid_to_str(enum mlag_msg_type msg_type, char *buf, size_t size) |
46c2687c SK |
44 | { |
45 | switch (msg_type) { | |
46 | case MLAG_REGISTER: | |
47 | snprintf(buf, size, "Register"); | |
48 | break; | |
49 | case MLAG_DEREGISTER: | |
50 | snprintf(buf, size, "De-Register"); | |
51 | break; | |
52 | case MLAG_MROUTE_ADD: | |
53 | snprintf(buf, size, "Mroute add"); | |
54 | break; | |
55 | case MLAG_MROUTE_DEL: | |
56 | snprintf(buf, size, "Mroute del"); | |
57 | break; | |
58 | case MLAG_DUMP: | |
59 | snprintf(buf, size, "Mlag Replay"); | |
60 | break; | |
61 | case MLAG_MROUTE_ADD_BULK: | |
62 | snprintf(buf, size, "Mroute Add Batch"); | |
63 | break; | |
64 | case MLAG_MROUTE_DEL_BULK: | |
65 | snprintf(buf, size, "Mroute Del Batch"); | |
66 | break; | |
67 | case MLAG_STATUS_UPDATE: | |
68 | snprintf(buf, size, "Mlag Status"); | |
69 | break; | |
70 | case MLAG_VXLAN_UPDATE: | |
71 | snprintf(buf, size, "Mlag vxlan update"); | |
72 | break; | |
73 | case MLAG_PEER_FRR_STATUS: | |
74 | snprintf(buf, size, "Mlag Peer FRR Status"); | |
75 | break; | |
76 | default: | |
77 | snprintf(buf, size, "Unknown %d", msg_type); | |
78 | break; | |
79 | } | |
80 | return buf; | |
81 | } | |
82 | ||
83 | ||
83f8a12b SK |
84 | int mlag_lib_decode_mlag_hdr(struct stream *s, struct mlag_msg *msg, |
85 | size_t *length) | |
46c2687c | 86 | { |
83f8a12b | 87 | #define LIB_MLAG_HDR_LENGTH 8 |
d1ba1814 DS |
88 | if (s == NULL || msg == NULL) |
89 | return -1; | |
90 | ||
83f8a12b SK |
91 | *length = stream_get_endp(s); |
92 | ||
d1ba1814 | 93 | if (*length < LIB_MLAG_HDR_LENGTH) |
46c2687c SK |
94 | return -1; |
95 | ||
83f8a12b SK |
96 | *length -= LIB_MLAG_HDR_LENGTH; |
97 | ||
46c2687c SK |
98 | STREAM_GETL(s, msg->msg_type); |
99 | STREAM_GETW(s, msg->data_len); | |
100 | STREAM_GETW(s, msg->msg_cnt); | |
83f8a12b | 101 | |
46c2687c SK |
102 | return 0; |
103 | stream_failure: | |
104 | return -1; | |
105 | } | |
106 | ||
83f8a12b SK |
107 | #define MLAG_MROUTE_ADD_LENGTH \ |
108 | (VRF_NAMSIZ + INTERFACE_NAMSIZ + 4 + 4 + 4 + 4 + 1 + 1 + 4) | |
109 | ||
110 | int mlag_lib_decode_mroute_add(struct stream *s, struct mlag_mroute_add *msg, | |
111 | size_t *length) | |
46c2687c | 112 | { |
83f8a12b | 113 | if (s == NULL || msg == NULL || *length < MLAG_MROUTE_ADD_LENGTH) |
46c2687c SK |
114 | return -1; |
115 | ||
116 | STREAM_GET(msg->vrf_name, s, VRF_NAMSIZ); | |
117 | STREAM_GETL(s, msg->source_ip); | |
118 | STREAM_GETL(s, msg->group_ip); | |
119 | STREAM_GETL(s, msg->cost_to_rp); | |
120 | STREAM_GETL(s, msg->owner_id); | |
121 | STREAM_GETC(s, msg->am_i_dr); | |
122 | STREAM_GETC(s, msg->am_i_dual_active); | |
123 | STREAM_GETL(s, msg->vrf_id); | |
124 | STREAM_GET(msg->intf_name, s, INTERFACE_NAMSIZ); | |
83f8a12b | 125 | |
46c2687c SK |
126 | return 0; |
127 | stream_failure: | |
128 | return -1; | |
129 | } | |
130 | ||
83f8a12b SK |
131 | #define MLAG_MROUTE_DEL_LENGTH (VRF_NAMSIZ + INTERFACE_NAMSIZ + 4 + 4 + 4 + 4) |
132 | ||
133 | int mlag_lib_decode_mroute_del(struct stream *s, struct mlag_mroute_del *msg, | |
134 | size_t *length) | |
46c2687c | 135 | { |
83f8a12b | 136 | if (s == NULL || msg == NULL || *length < MLAG_MROUTE_DEL_LENGTH) |
46c2687c SK |
137 | return -1; |
138 | ||
139 | STREAM_GET(msg->vrf_name, s, VRF_NAMSIZ); | |
140 | STREAM_GETL(s, msg->source_ip); | |
141 | STREAM_GETL(s, msg->group_ip); | |
142 | STREAM_GETL(s, msg->owner_id); | |
143 | STREAM_GETL(s, msg->vrf_id); | |
144 | STREAM_GET(msg->intf_name, s, INTERFACE_NAMSIZ); | |
83f8a12b | 145 | |
46c2687c SK |
146 | return 0; |
147 | stream_failure: | |
148 | return -1; | |
149 | } | |
150 | ||
1e76492b | 151 | int mlag_lib_decode_mlag_status(struct stream *s, struct mlag_status *msg) |
46c2687c SK |
152 | { |
153 | if (s == NULL || msg == NULL) | |
154 | return -1; | |
155 | ||
156 | STREAM_GET(msg->peerlink_rif, s, INTERFACE_NAMSIZ); | |
157 | STREAM_GETL(s, msg->my_role); | |
158 | STREAM_GETL(s, msg->peer_state); | |
159 | return 0; | |
160 | stream_failure: | |
161 | return -1; | |
162 | } | |
163 | ||
1e76492b | 164 | int mlag_lib_decode_vxlan_update(struct stream *s, struct mlag_vxlan *msg) |
46c2687c SK |
165 | { |
166 | if (s == NULL || msg == NULL) | |
167 | return -1; | |
168 | ||
169 | STREAM_GETL(s, msg->anycast_ip); | |
170 | STREAM_GETL(s, msg->local_ip); | |
171 | return 0; | |
172 | ||
173 | stream_failure: | |
174 | return -1; | |
175 | } | |
176 | ||
1e76492b | 177 | int mlag_lib_decode_frr_status(struct stream *s, struct mlag_frr_status *msg) |
46c2687c SK |
178 | { |
179 | if (s == NULL || msg == NULL) | |
180 | return -1; | |
181 | ||
182 | STREAM_GETL(s, msg->frr_state); | |
183 | return 0; | |
184 | stream_failure: | |
185 | return -1; | |
186 | } |