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1 | /* | |
2 | * PIM for Quagga | |
3 | * Copyright (C) 2008 Everton da Silva Marques | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License along | |
16 | * with this program; see the file COPYING; if not, write to the Free Software | |
17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
18 | */ | |
19 | ||
20 | #include <zebra.h> | |
21 | ||
22 | #include "log.h" | |
23 | #include "memory.h" | |
24 | #include "if.h" | |
25 | #include "prefix.h" | |
26 | #include "vty.h" | |
27 | #include "plist.h" | |
28 | #include "hash.h" | |
29 | #include "jhash.h" | |
30 | #include "vrf.h" | |
31 | #include "lib_errors.h" | |
32 | ||
33 | #include "pimd.h" | |
34 | #include "pim_cmd.h" | |
35 | #include "pim_str.h" | |
36 | #include "pim_oil.h" | |
37 | #include "pim_pim.h" | |
38 | #include "pim_ssmpingd.h" | |
39 | #include "pim_static.h" | |
40 | #include "pim_rp.h" | |
41 | #include "pim_ssm.h" | |
42 | #include "pim_zlookup.h" | |
43 | #include "pim_zebra.h" | |
44 | ||
45 | const char *const PIM_ALL_SYSTEMS = MCAST_ALL_SYSTEMS; | |
46 | const char *const PIM_ALL_ROUTERS = MCAST_ALL_ROUTERS; | |
47 | const char *const PIM_ALL_PIM_ROUTERS = MCAST_ALL_PIM_ROUTERS; | |
48 | const char *const PIM_ALL_IGMP_ROUTERS = MCAST_ALL_IGMP_ROUTERS; | |
49 | ||
50 | DEFINE_MTYPE_STATIC(PIMD, ROUTER, "PIM Router information"); | |
51 | ||
52 | struct pim_router *router = NULL; | |
53 | ||
54 | void pim_prefix_list_update(struct prefix_list *plist) | |
55 | { | |
56 | struct pim_instance *pim; | |
57 | struct vrf *vrf; | |
58 | ||
59 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { | |
60 | pim = vrf->info; | |
61 | if (!pim) | |
62 | continue; | |
63 | ||
64 | pim_rp_prefix_list_update(pim, plist); | |
65 | pim_ssm_prefix_list_update(pim, plist); | |
66 | pim_upstream_spt_prefix_list_update(pim, plist); | |
67 | } | |
68 | } | |
69 | ||
70 | static void pim_free(void) | |
71 | { | |
72 | pim_route_map_terminate(); | |
73 | ||
74 | zclient_lookup_free(); | |
75 | } | |
76 | ||
77 | void pim_router_init(void) | |
78 | { | |
79 | router = XCALLOC(MTYPE_ROUTER, sizeof(*router)); | |
80 | ||
81 | router->debugs = 0; | |
82 | router->master = frr_init(); | |
83 | router->t_periodic = PIM_DEFAULT_T_PERIODIC; | |
84 | ||
85 | /* | |
86 | RFC 4601: 4.6.3. Assert Metrics | |
87 | ||
88 | assert_metric | |
89 | infinite_assert_metric() { | |
90 | return {1,infinity,infinity,0} | |
91 | } | |
92 | */ | |
93 | router->infinite_assert_metric.rpt_bit_flag = 1; | |
94 | router->infinite_assert_metric.metric_preference = | |
95 | PIM_ASSERT_METRIC_PREFERENCE_MAX; | |
96 | router->infinite_assert_metric.route_metric = | |
97 | PIM_ASSERT_ROUTE_METRIC_MAX; | |
98 | router->infinite_assert_metric.ip_address.s_addr = INADDR_ANY; | |
99 | router->rpf_cache_refresh_delay_msec = 50; | |
100 | router->register_suppress_time = PIM_REGISTER_SUPPRESSION_TIME_DEFAULT; | |
101 | router->packet_process = PIM_DEFAULT_PACKET_PROCESS; | |
102 | router->register_probe_time = PIM_REGISTER_PROBE_TIME_DEFAULT; | |
103 | router->vrf_id = VRF_DEFAULT; | |
104 | } | |
105 | ||
106 | void pim_router_terminate(void) | |
107 | { | |
108 | XFREE(MTYPE_ROUTER, router); | |
109 | } | |
110 | ||
111 | void pim_init(void) | |
112 | { | |
113 | if (!inet_aton(PIM_ALL_PIM_ROUTERS, &qpim_all_pim_routers_addr)) { | |
114 | flog_err( | |
115 | EC_LIB_SOCKET, | |
116 | "%s %s: could not solve %s to group address: errno=%d: %s", | |
117 | __FILE__, __PRETTY_FUNCTION__, PIM_ALL_PIM_ROUTERS, | |
118 | errno, safe_strerror(errno)); | |
119 | zassert(0); | |
120 | return; | |
121 | } | |
122 | ||
123 | pim_cmd_init(); | |
124 | } | |
125 | ||
126 | void pim_terminate(void) | |
127 | { | |
128 | struct zclient *zclient; | |
129 | ||
130 | /* reverse prefix_list_init */ | |
131 | prefix_list_add_hook(NULL); | |
132 | prefix_list_delete_hook(NULL); | |
133 | prefix_list_reset(); | |
134 | ||
135 | pim_vrf_terminate(); | |
136 | ||
137 | zclient = pim_zebra_zclient_get(); | |
138 | if (zclient) { | |
139 | zclient_stop(zclient); | |
140 | zclient_free(zclient); | |
141 | } | |
142 | ||
143 | pim_free(); | |
144 | pim_router_terminate(); | |
145 | ||
146 | frr_fini(); | |
147 | } |