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https://github.com/FRRouting/frr.git
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1bc9827622
Add pim Nexthop tracking feature 1st part where, specific RP or Source address (unicast address) register with Zebra. Once nexthop update received from Zebra for a given address, scan RP or upstream entries impacted by the change in nexthop. Reviewed By: CCR-5761, Donald Sharp <sharpd@cumulusnetworks.com> Testing Done: Tested with multiple RPs and multiple *,G entries at LHR. Add new Nexthop or remove one of the link towards RP and verify RP and upstream nexthop update. similar test done at RP with multiple S,G entries to reach source. Signed-off-by: Chirag Shah <chirag@cumulusnetworks.com>
164 lines
3.5 KiB
C
164 lines
3.5 KiB
C
/*
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PIM for Quagga
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Copyright (C) 2008 Everton da Silva Marques
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING; if not, write to the
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Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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MA 02110-1301 USA
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*/
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#include <zebra.h>
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#include "log.h"
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#include "privs.h"
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#include "version.h"
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#include <getopt.h>
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#include "command.h"
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#include "thread.h"
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#include <signal.h>
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#include "memory.h"
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#include "vrf.h"
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#include "memory_vty.h"
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#include "filter.h"
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#include "vty.h"
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#include "sigevent.h"
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#include "version.h"
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#include "prefix.h"
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#include "plist.h"
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#include "vrf.h"
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#include "libfrr.h"
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#include "pimd.h"
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#include "pim_version.h"
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#include "pim_signals.h"
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#include "pim_zebra.h"
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#include "pim_msdp.h"
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#include "pim_iface.h"
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#include "pim_rp.h"
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extern struct host host;
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struct option longopts[] = {
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{ 0 }
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};
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/* pimd privileges */
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zebra_capabilities_t _caps_p [] =
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{
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ZCAP_NET_ADMIN,
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ZCAP_SYS_ADMIN,
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ZCAP_NET_RAW,
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ZCAP_BIND,
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};
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/* pimd privileges to run with */
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struct zebra_privs_t pimd_privs =
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{
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#if defined(FRR_USER) && defined(FRR_GROUP)
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.user = FRR_USER,
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.group = FRR_GROUP,
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#endif
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#ifdef VTY_GROUP
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.vty_group = VTY_GROUP,
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#endif
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.caps_p = _caps_p,
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.cap_num_p = sizeof(_caps_p)/sizeof(_caps_p[0]),
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.cap_num_i = 0
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};
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FRR_DAEMON_INFO(pimd, PIM,
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.vty_port = PIMD_VTY_PORT,
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.proghelp = "Implementation of the PIM routing protocol.",
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.signals = pimd_signals,
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.n_signals = 4 /* XXX array_size(pimd_signals) XXX*/,
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.privs = &pimd_privs,
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)
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int main(int argc, char** argv, char** envp) {
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frr_preinit(&pimd_di, argc, argv);
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frr_opt_add("", longopts, "");
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/* this while just reads the options */
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while (1) {
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int opt;
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opt = frr_getopt(argc, argv, NULL);
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if (opt == EOF)
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break;
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switch (opt) {
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case 0:
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break;
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default:
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frr_help_exit (1);
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break;
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}
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}
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master = frr_init();
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/*
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* Initializations
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*/
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pim_vrf_init ();
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access_list_init();
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prefix_list_init ();
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prefix_list_add_hook (pim_rp_prefix_list_update);
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prefix_list_delete_hook (pim_rp_prefix_list_update);
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pim_route_map_init ();
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pim_init();
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pim_msdp_init (master);
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/*
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* Initialize zclient "update" and "lookup" sockets
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*/
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pim_zebra_init();
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frr_config_fork();
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#ifdef PIM_DEBUG_BYDEFAULT
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zlog_notice("PIM_DEBUG_BYDEFAULT: Enabling all debug commands");
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PIM_DO_DEBUG_PIM_EVENTS;
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PIM_DO_DEBUG_PIM_PACKETS;
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PIM_DO_DEBUG_PIM_TRACE;
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PIM_DO_DEBUG_IGMP_EVENTS;
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PIM_DO_DEBUG_IGMP_PACKETS;
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PIM_DO_DEBUG_IGMP_TRACE;
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PIM_DO_DEBUG_ZEBRA;
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#endif
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#ifdef PIM_CHECK_RECV_IFINDEX_SANITY
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zlog_notice("PIM_CHECK_RECV_IFINDEX_SANITY: will match sock/recv ifindex");
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#ifdef PIM_REPORT_RECV_IFINDEX_MISMATCH
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zlog_notice("PIM_REPORT_RECV_IFINDEX_MISMATCH: will report sock/recv ifindex mismatch");
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#endif
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#endif
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#ifdef PIM_UNEXPECTED_KERNEL_UPCALL
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zlog_notice("PIM_UNEXPECTED_KERNEL_UPCALL: report unexpected kernel upcall");
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#endif
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frr_run(master);
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/* never reached */
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return 0;
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}
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