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c2cf4b02 DS |
1 | /* |
2 | * PIM for FRR - PIM Instance | |
3 | * Copyright (C) 2017 Cumulus Networks, Inc. | |
4 | * Donald Sharp | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; see the file COPYING; if not, write to the | |
18 | * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, | |
19 | * MA 02110-1301 USA | |
20 | */ | |
21 | #include <zebra.h> | |
22 | ||
23 | #include "hash.h" | |
24 | #include "vrf.h" | |
3613d898 | 25 | #include "lib_errors.h" |
c2cf4b02 DS |
26 | |
27 | #include "pimd.h" | |
28 | #include "pim_ssm.h" | |
29 | #include "pim_rpf.h" | |
30 | #include "pim_rp.h" | |
31 | #include "pim_mroute.h" | |
4e0bc0f0 DS |
32 | #include "pim_oil.h" |
33 | #include "pim_static.h" | |
71ad9915 | 34 | #include "pim_ssmpingd.h" |
9ecb7b77 | 35 | #include "pim_vty.h" |
361b5843 | 36 | #include "pim_bsm.h" |
36b5b98f | 37 | #include "pim_mlag.h" |
c2cf4b02 DS |
38 | |
39 | static void pim_instance_terminate(struct pim_instance *pim) | |
40 | { | |
b21e0c93 AK |
41 | pim_vxlan_exit(pim); |
42 | ||
c2cf4b02 DS |
43 | if (pim->ssm_info) { |
44 | pim_ssm_terminate(pim->ssm_info); | |
45 | pim->ssm_info = NULL; | |
46 | } | |
47 | ||
4e0bc0f0 | 48 | if (pim->static_routes) |
6a154c88 | 49 | list_delete(&pim->static_routes); |
4e0bc0f0 | 50 | |
36b5b98f SK |
51 | pim_instance_mlag_terminate(pim); |
52 | ||
9b29ea95 DS |
53 | pim_upstream_terminate(pim); |
54 | ||
1d483838 DS |
55 | pim_rp_free(pim); |
56 | ||
361b5843 | 57 | pim_bsm_proc_free(pim); |
58 | ||
48d331e7 DS |
59 | /* Traverse and cleanup rpf_hash */ |
60 | if (pim->rpf_hash) { | |
61 | hash_clean(pim->rpf_hash, (void *)pim_rp_list_hash_clean); | |
62 | hash_free(pim->rpf_hash); | |
63 | pim->rpf_hash = NULL; | |
64 | } | |
65 | ||
f88df3a6 DS |
66 | pim_if_terminate(pim); |
67 | ||
e2c4bc88 DS |
68 | pim_oil_terminate(pim); |
69 | ||
2ad78035 DS |
70 | pim_msdp_exit(pim); |
71 | ||
7f1d002a | 72 | XFREE(MTYPE_PIM_PIM_INSTANCE, pim); |
c2cf4b02 DS |
73 | } |
74 | ||
75 | static struct pim_instance *pim_instance_init(struct vrf *vrf) | |
76 | { | |
77 | struct pim_instance *pim; | |
9fb302f4 | 78 | char hash_name[64]; |
c2cf4b02 DS |
79 | |
80 | pim = XCALLOC(MTYPE_PIM_PIM_INSTANCE, sizeof(struct pim_instance)); | |
c2cf4b02 | 81 | |
f88df3a6 DS |
82 | pim_if_init(pim); |
83 | ||
19b807ca DS |
84 | pim->keep_alive_time = PIM_KEEPALIVE_PERIOD; |
85 | pim->rp_keep_alive_time = PIM_RP_KEEPALIVE_PERIOD; | |
86 | ||
4795fff7 DS |
87 | pim->ecmp_enable = false; |
88 | pim->ecmp_rebalance_enable = false; | |
19b807ca | 89 | |
c2cf4b02 DS |
90 | pim->vrf_id = vrf->vrf_id; |
91 | pim->vrf = vrf; | |
92 | ||
93 | pim->spt.switchover = PIM_SPT_IMMEDIATE; | |
94 | pim->spt.plist = NULL; | |
95 | ||
36417fcc | 96 | pim_msdp_init(pim, router->master); |
b583b035 | 97 | pim_vxlan_init(pim); |
2ad78035 | 98 | |
9fb302f4 | 99 | snprintf(hash_name, 64, "PIM %s RPF Hash", vrf->name); |
996c9314 LB |
100 | pim->rpf_hash = hash_create_size(256, pim_rpf_hash_key, pim_rpf_equal, |
101 | hash_name); | |
c2cf4b02 DS |
102 | |
103 | if (PIM_DEBUG_ZEBRA) | |
104 | zlog_debug("%s: NHT rpf hash init ", __PRETTY_FUNCTION__); | |
105 | ||
106 | pim->ssm_info = pim_ssm_init(); | |
c2cf4b02 | 107 | |
4e0bc0f0 | 108 | pim->static_routes = list_new(); |
4e0bc0f0 DS |
109 | pim->static_routes->del = (void (*)(void *))pim_static_route_free; |
110 | ||
c2cf4b02 DS |
111 | pim->send_v6_secondary = 1; |
112 | ||
d9c9a9ee DS |
113 | pim_rp_init(pim); |
114 | ||
361b5843 | 115 | pim_bsm_proc_init(pim); |
116 | ||
611925dc DS |
117 | pim_oil_init(pim); |
118 | ||
9b29ea95 | 119 | pim_upstream_init(pim); |
d9c9a9ee | 120 | |
36b5b98f SK |
121 | pim_instance_mlag_init(pim); |
122 | ||
bfc92019 | 123 | pim->last_route_change_time = -1; |
c2cf4b02 DS |
124 | return pim; |
125 | } | |
126 | ||
127 | struct pim_instance *pim_get_pim_instance(vrf_id_t vrf_id) | |
128 | { | |
129 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); | |
130 | ||
131 | if (vrf) | |
132 | return vrf->info; | |
133 | ||
134 | return NULL; | |
135 | } | |
136 | ||
137 | static int pim_vrf_new(struct vrf *vrf) | |
138 | { | |
6d3c1953 | 139 | struct pim_instance *pim = pim_instance_init(vrf); |
71ad9915 | 140 | |
87ad28f4 | 141 | zlog_debug("VRF Created: %s(%u)", vrf->name, vrf->vrf_id); |
6d3c1953 DS |
142 | |
143 | vrf->info = (void *)pim; | |
144 | ||
71ad9915 | 145 | pim_ssmpingd_init(pim); |
c2cf4b02 DS |
146 | return 0; |
147 | } | |
148 | ||
149 | static int pim_vrf_delete(struct vrf *vrf) | |
150 | { | |
71ad9915 DS |
151 | struct pim_instance *pim = vrf->info; |
152 | ||
87ad28f4 | 153 | zlog_debug("VRF Deletion: %s(%u)", vrf->name, vrf->vrf_id); |
71ad9915 DS |
154 | |
155 | pim_ssmpingd_destroy(pim); | |
7f1d002a | 156 | pim_instance_terminate(pim); |
c2cf4b02 DS |
157 | return 0; |
158 | } | |
159 | ||
b4575b3a DS |
160 | /* |
161 | * Code to turn on the pim instance that | |
162 | * we have created with new | |
163 | */ | |
c2cf4b02 DS |
164 | static int pim_vrf_enable(struct vrf *vrf) |
165 | { | |
b4575b3a | 166 | struct pim_instance *pim = (struct pim_instance *)vrf->info; |
c2cf4b02 DS |
167 | |
168 | zlog_debug("%s: for %s", __PRETTY_FUNCTION__, vrf->name); | |
c2cf4b02 | 169 | |
b4575b3a | 170 | pim_mroute_socket_enable(pim); |
c2cf4b02 DS |
171 | |
172 | return 0; | |
173 | } | |
174 | ||
175 | static int pim_vrf_disable(struct vrf *vrf) | |
176 | { | |
c2cf4b02 DS |
177 | /* Note: This is a callback, the VRF will be deleted by the caller. */ |
178 | return 0; | |
179 | } | |
180 | ||
a01538df DS |
181 | static int pim_vrf_config_write(struct vty *vty) |
182 | { | |
183 | struct vrf *vrf; | |
184 | struct pim_instance *pim; | |
185 | ||
a2addae8 | 186 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { |
a01538df | 187 | pim = vrf->info; |
e691f179 DS |
188 | |
189 | if (!pim) | |
190 | continue; | |
191 | ||
57dac17c DS |
192 | if (vrf->vrf_id != VRF_DEFAULT) |
193 | vty_frame(vty, "vrf %s\n", vrf->name); | |
e691f179 | 194 | |
e691f179 | 195 | pim_global_config_write_worker(pim, vty); |
57dac17c DS |
196 | |
197 | if (vrf->vrf_id != VRF_DEFAULT) | |
e8be380a | 198 | vty_endframe(vty, " exit-vrf\n!\n"); |
a01538df DS |
199 | } |
200 | ||
201 | return 0; | |
202 | } | |
203 | ||
c2cf4b02 DS |
204 | void pim_vrf_init(void) |
205 | { | |
ecbc5a37 PG |
206 | vrf_init(pim_vrf_new, pim_vrf_enable, pim_vrf_disable, |
207 | pim_vrf_delete, NULL); | |
a01538df | 208 | |
3bc34908 | 209 | vrf_cmd_init(pim_vrf_config_write, &pimd_privs); |
c2cf4b02 DS |
210 | } |
211 | ||
212 | void pim_vrf_terminate(void) | |
213 | { | |
214 | vrf_terminate(); | |
215 | } |