diff options
Diffstat (limited to 'zebra/main.c')
| -rw-r--r-- | zebra/main.c | 132 |
1 files changed, 92 insertions, 40 deletions
diff --git a/zebra/main.c b/zebra/main.c index 81a3066445..d83f1d0491 100644 --- a/zebra/main.c +++ b/zebra/main.c @@ -5,6 +5,10 @@ #include <zebra.h> +#ifdef GNU_LINUX +#include <linux/rtnetlink.h> +#endif + #include <lib/version.h> #include "getopt.h" #include "command.h" @@ -21,6 +25,7 @@ #include "affinitymap.h" #include "routemap.h" #include "routing_nb.h" +#include "mgmt_be_client.h" #include "zebra/zebra_router.h" #include "zebra/zebra_errors.h" @@ -54,13 +59,13 @@ pid_t pid; /* Pacify zclient.o in libfrr, which expects this variable. */ struct event_loop *master; +struct mgmt_be_client *mgmt_be_client; + /* Route retain mode flag. */ int retain_mode = 0; int graceful_restart; -bool v6_rr_semantics = false; - /* Receive buffer size for kernel control sockets */ #define RCVBUFSIZE_MIN 4194304 #ifdef HAVE_NETLINK @@ -69,24 +74,30 @@ uint32_t rcvbufsize = RCVBUFSIZE_MIN; uint32_t rcvbufsize = 128 * 1024; #endif +uint32_t rt_table_main_id = RT_TABLE_MAIN; + #define OPTION_V6_RR_SEMANTICS 2000 #define OPTION_ASIC_OFFLOAD 2001 +#define OPTION_V6_WITH_V4_NEXTHOP 2002 /* Command line options. */ const struct option longopts[] = { - {"batch", no_argument, NULL, 'b'}, - {"allow_delete", no_argument, NULL, 'a'}, - {"socket", required_argument, NULL, 'z'}, - {"ecmp", required_argument, NULL, 'e'}, - {"retain", no_argument, NULL, 'r'}, - {"graceful_restart", required_argument, NULL, 'K'}, - {"asic-offload", optional_argument, NULL, OPTION_ASIC_OFFLOAD}, + { "batch", no_argument, NULL, 'b' }, + { "allow_delete", no_argument, NULL, 'a' }, + { "socket", required_argument, NULL, 'z' }, + { "ecmp", required_argument, NULL, 'e' }, + { "retain", no_argument, NULL, 'r' }, + { "graceful_restart", required_argument, NULL, 'K' }, + { "asic-offload", optional_argument, NULL, OPTION_ASIC_OFFLOAD }, + { "v6-with-v4-nexthops", no_argument, NULL, OPTION_V6_WITH_V4_NEXTHOP }, #ifdef HAVE_NETLINK - {"vrfwnetns", no_argument, NULL, 'n'}, - {"nl-bufsize", required_argument, NULL, 's'}, - {"v6-rr-semantics", no_argument, NULL, OPTION_V6_RR_SEMANTICS}, + { "vrfwnetns", no_argument, NULL, 'n' }, + { "nl-bufsize", required_argument, NULL, 's' }, + { "v6-rr-semantics", no_argument, NULL, OPTION_V6_RR_SEMANTICS }, #endif /* HAVE_NETLINK */ - {0}}; + {"routing-table", optional_argument, NULL, 'R'}, + { 0 } +}; zebra_capabilities_t _caps_p[] = {ZCAP_NET_ADMIN, ZCAP_SYS_ADMIN, ZCAP_NET_RAW, @@ -134,6 +145,10 @@ static void sigint(void) zlog_notice("Terminating on signal"); + nb_oper_cancel_all_walks(); + mgmt_be_client_destroy(mgmt_be_client); + mgmt_be_client = NULL; + atomic_store_explicit(&zrouter.in_shutdown, true, memory_order_relaxed); @@ -188,6 +203,13 @@ static void sigint(void) rib_update_finish(); list_delete(&zrouter.client_list); + list_delete(&zrouter.stale_client_list); + + /* + * Besides other clean-ups zebra's vrf_disable() also enqueues installed + * routes for removal from the kernel, unless ZEBRA_VRF_RETAIN is set. + */ + vrf_iterate(vrf_disable); /* Indicate that all new dplane work has been enqueued. When that * work is complete, the dataplane will enqueue an event @@ -206,17 +228,31 @@ void zebra_finalize(struct event *dummy) vrf_terminate(); + /* + * Stop dplane thread and finish any cleanup + * This is before the zebra_ns_early_shutdown call + * because sockets that the dplane depends on are closed + * in those functions + */ + zebra_dplane_shutdown(); + ns_walk_func(zebra_ns_early_shutdown, NULL, NULL); zebra_ns_notify_close(); - /* Stop dplane thread and finish any cleanup */ - zebra_dplane_shutdown(); - /* Final shutdown of ns resources */ ns_walk_func(zebra_ns_final_shutdown, NULL, NULL); + zebra_rib_terminate(); zebra_router_terminate(); + zebra_mpls_terminate(); + + zebra_pw_terminate(); + + zebra_srv6_terminate(); + + label_manager_terminate(); + ns_terminate(); frr_fini(); exit(0); @@ -260,19 +296,23 @@ static const struct frr_yang_module_info *const zebra_yang_modules[] = { }; /* clang-format on */ -FRR_DAEMON_INFO( - zebra, ZEBRA, .vty_port = ZEBRA_VTY_PORT, .flags = FRR_NO_ZCLIENT, - +/* clang-format off */ +FRR_DAEMON_INFO(zebra, ZEBRA, + .vty_port = ZEBRA_VTY_PORT, .proghelp = "Daemon which manages kernel routing table management and\nredistribution between different routing protocols.", - .signals = zebra_signals, .n_signals = array_size(zebra_signals), + .flags = FRR_NO_ZCLIENT, + + .signals = zebra_signals, + .n_signals = array_size(zebra_signals), .privs = &zserv_privs, .yang_modules = zebra_yang_modules, .n_yang_modules = array_size(zebra_yang_modules), ); +/* clang-format on */ /* Main startup routine. */ int main(int argc, char **argv) @@ -282,6 +322,7 @@ int main(int argc, char **argv) struct sockaddr_storage dummy; socklen_t dummylen; bool asic_offload = false; + bool v6_with_v4_nexthop = false; bool notify_on_ack = true; graceful_restart = 0; @@ -289,27 +330,28 @@ int main(int argc, char **argv) frr_preinit(&zebra_di, argc, argv); - frr_opt_add( - "baz:e:rK:s:" + frr_opt_add("baz:e:rK:s:R:" #ifdef HAVE_NETLINK - "n" + "n" #endif - , - longopts, - " -b, --batch Runs in batch mode\n" - " -a, --allow_delete Allow other processes to delete zebra routes\n" - " -z, --socket Set path of zebra socket\n" - " -e, --ecmp Specify ECMP to use.\n" - " -r, --retain When program terminates, retain added route by zebra.\n" - " -K, --graceful_restart Graceful restart at the kernel level, timer in seconds for expiration\n" - " -A, --asic-offload FRR is interacting with an asic underneath the linux kernel\n" + , + longopts, + " -b, --batch Runs in batch mode\n" + " -a, --allow_delete Allow other processes to delete zebra routes\n" + " -z, --socket Set path of zebra socket\n" + " -e, --ecmp Specify ECMP to use.\n" + " -r, --retain When program terminates, retain added route by zebra.\n" + " -K, --graceful_restart Graceful restart at the kernel level, timer in seconds for expiration\n" + " -A, --asic-offload FRR is interacting with an asic underneath the linux kernel\n" + " --v6-with-v4-nexthops Underlying dataplane supports v6 routes with v4 nexthops" #ifdef HAVE_NETLINK - " -s, --nl-bufsize Set netlink receive buffer size\n" - " -n, --vrfwnetns Use NetNS as VRF backend\n" - " --v6-rr-semantics Use v6 RR semantics\n" + " -s, --nl-bufsize Set netlink receive buffer size\n" + " -n, --vrfwnetns Use NetNS as VRF backend\n" + " --v6-rr-semantics Use v6 RR semantics\n" #else - " -s, Set kernel socket receive buffer size\n" + " -s, Set kernel socket receive buffer size\n" #endif /* HAVE_NETLINK */ + " -R, --routing-table Set kernel routing table\n" ); while (1) { @@ -364,12 +406,15 @@ int main(int argc, char **argv) "Rcvbufsize is smaller than recommended value: %d\n", RCVBUFSIZE_MIN); break; + case 'R': + rt_table_main_id = atoi(optarg); + break; #ifdef HAVE_NETLINK case 'n': vrf_configure_backend(VRF_BACKEND_NETNS); break; case OPTION_V6_RR_SEMANTICS: - v6_rr_semantics = true; + zrouter.v6_rr_semantics = true; break; case OPTION_ASIC_OFFLOAD: if (!strcmp(optarg, "notify_on_offload")) @@ -378,6 +423,9 @@ int main(int argc, char **argv) notify_on_ack = true; asic_offload = true; break; + case OPTION_V6_WITH_V4_NEXTHOP: + v6_with_v4_nexthop = true; + break; #endif /* HAVE_NETLINK */ default: frr_help_exit(1); @@ -387,9 +435,9 @@ int main(int argc, char **argv) zrouter.master = frr_init(); /* Zebra related initialize. */ - zebra_router_init(asic_offload, notify_on_ack); + zebra_router_init(asic_offload, notify_on_ack, v6_with_v4_nexthop); zserv_init(); - rib_init(); + zebra_rib_init(); zebra_if_init(); zebra_debug_init(); @@ -399,8 +447,12 @@ int main(int argc, char **argv) zebra_ns_init(); router_id_cmd_init(); zebra_vty_init(); - access_list_init(); + mgmt_be_client = mgmt_be_client_create("zebra", NULL, 0, + zrouter.master); + access_list_init_new(true); prefix_list_init(); + + rtadv_init(); rtadv_cmd_init(); /* PTM socket */ #ifdef ZEBRA_PTM_SUPPORT |