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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* PIM for Quagga
* Copyright (C) 2008 Everton da Silva Marques
*/
#include <zebra.h>
#include "log.h"
#include "memory.h"
#include "if.h"
#include "prefix.h"
#include "vty.h"
#include "plist.h"
#include "hash.h"
#include "jhash.h"
#include "vrf.h"
#include "lib_errors.h"
#include "bfd.h"
#include "pimd.h"
#if PIM_IPV == 4
#include "pim_cmd.h"
#else
#include "pim6_cmd.h"
#endif
#include "pim_str.h"
#include "pim_oil.h"
#include "pim_pim.h"
#include "pim_ssmpingd.h"
#include "pim_static.h"
#include "pim_rp.h"
#include "pim_ssm.h"
#include "pim_vxlan.h"
#include "pim_zlookup.h"
#include "pim_zebra.h"
#include "pim_mlag.h"
#if MAXVIFS > 256
CPP_NOTICE("Work needs to be done to make this work properly via the pim mroute socket\n");
#endif /* MAXVIFS > 256 */
#if PIM_IPV == 4
const char *const PIM_ALL_SYSTEMS = MCAST_ALL_SYSTEMS;
const char *const PIM_ALL_ROUTERS = MCAST_ALL_ROUTERS;
const char *const PIM_ALL_PIM_ROUTERS = MCAST_ALL_PIM_ROUTERS;
const char *const PIM_ALL_IGMP_ROUTERS = MCAST_ALL_IGMP_ROUTERS;
#else
const char *const PIM_ALL_SYSTEMS = "ff02::1";
const char *const PIM_ALL_ROUTERS = "ff02::2";
const char *const PIM_ALL_PIM_ROUTERS = "ff02::d";
const char *const PIM_ALL_IGMP_ROUTERS = "ff02::16";
#endif
DEFINE_MTYPE_STATIC(PIMD, ROUTER, "PIM Router information");
struct pim_router *router = NULL;
pim_addr qpim_all_pim_routers_addr;
void pim_prefix_list_update(struct prefix_list *plist)
{
struct pim_instance *pim;
struct vrf *vrf;
RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) {
pim = vrf->info;
if (!pim)
continue;
pim_rp_prefix_list_update(pim, plist);
pim_ssm_prefix_list_update(pim, plist);
pim_upstream_spt_prefix_list_update(pim, plist);
}
}
static void pim_free(void)
{
pim_route_map_terminate();
zclient_lookup_free();
}
void pim_router_init(void)
{
router = XCALLOC(MTYPE_ROUTER, sizeof(*router));
router->debugs = 0;
router->master = frr_init();
router->t_periodic = PIM_DEFAULT_T_PERIODIC;
router->multipath = MULTIPATH_NUM;
/*
RFC 4601: 4.6.3. Assert Metrics
assert_metric
infinite_assert_metric() {
return {1,infinity,infinity,0}
}
*/
router->infinite_assert_metric.rpt_bit_flag = 1;
router->infinite_assert_metric.metric_preference =
PIM_ASSERT_METRIC_PREFERENCE_MAX;
router->infinite_assert_metric.route_metric =
PIM_ASSERT_ROUTE_METRIC_MAX;
router->infinite_assert_metric.ip_address = PIMADDR_ANY;
router->rpf_cache_refresh_delay_msec = 50;
router->register_suppress_time = PIM_REGISTER_SUPPRESSION_TIME_DEFAULT;
router->packet_process = PIM_DEFAULT_PACKET_PROCESS;
router->register_probe_time = PIM_REGISTER_PROBE_TIME_DEFAULT;
router->vrf_id = VRF_DEFAULT;
router->pim_mlag_intf_cnt = 0;
router->connected_to_mlag = false;
}
void pim_router_terminate(void)
{
XFREE(MTYPE_ROUTER, router);
}
void pim_init(void)
{
if (!inet_pton(PIM_AF, PIM_ALL_PIM_ROUTERS,
&qpim_all_pim_routers_addr)) {
flog_err(
EC_LIB_SOCKET,
"%s %s: could not solve %s to group address: errno=%d: %s",
__FILE__, __func__, PIM_ALL_PIM_ROUTERS, errno,
safe_strerror(errno));
assert(0);
return;
}
pim_cmd_init();
}
void pim_terminate(void)
{
struct zclient *zclient;
bfd_protocol_integration_set_shutdown(true);
/* reverse prefix_list_init */
prefix_list_add_hook(NULL);
prefix_list_delete_hook(NULL);
prefix_list_reset();
pim_vxlan_terminate();
pim_vrf_terminate();
zclient = pim_zebra_zclient_get();
if (zclient) {
zclient_stop(zclient);
zclient_free(zclient);
}
pim_free();
pim_mlag_terminate();
pim_router_terminate();
frr_fini();
}
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