diff options
| -rw-r--r-- | bgpd/bgp_zebra.c | 20 | ||||
| -rw-r--r-- | pimd/pim_mroute.c | 2 | ||||
| -rw-r--r-- | pimd/pim_upstream.c | 7 | ||||
| -rwxr-xr-x | tests/topotests/isis-sr-te-topo1/test_isis_sr_te_topo1.py | 6 | ||||
| -rw-r--r-- | tests/topotests/ospf_basic_functionality/ospf_p2mp.json | 198 | ||||
| -rw-r--r-- | tests/topotests/ospf_basic_functionality/test_ospf_p2mp.py | 416 | ||||
| -rw-r--r-- | vtysh/vtysh.c | 6 | ||||
| -rw-r--r-- | zebra/zebra_routemap.c | 11 | ||||
| -rw-r--r-- | zebra/zebra_routemap.h | 2 |
9 files changed, 651 insertions, 17 deletions
diff --git a/bgpd/bgp_zebra.c b/bgpd/bgp_zebra.c index cd1873054e..f7c4b04adf 100644 --- a/bgpd/bgp_zebra.c +++ b/bgpd/bgp_zebra.c @@ -1347,11 +1347,21 @@ void bgp_zebra_announce(struct bgp_dest *dest, const struct prefix *p, nexthop = bgp_path_info_to_ipv6_nexthop(mpinfo_cp, &ifindex); - nh_updated = update_ipv6nh_for_route_install( - nh_othervrf, nh_othervrf ? - info->extra->bgp_orig : bgp, - nexthop, ifindex, - mpinfo, info, is_evpn, api_nh); + + if (!nexthop) + nh_updated = update_ipv4nh_for_route_install( + nh_othervrf, + nh_othervrf ? info->extra->bgp_orig + : bgp, + &mpinfo_cp->attr->nexthop, + mpinfo_cp->attr, is_evpn, api_nh); + else + nh_updated = update_ipv6nh_for_route_install( + nh_othervrf, + nh_othervrf ? info->extra->bgp_orig + : bgp, + nexthop, ifindex, mpinfo, info, is_evpn, + api_nh); } /* Did we get proper nexthop info to update zebra? */ diff --git a/pimd/pim_mroute.c b/pimd/pim_mroute.c index 0bccba397b..23259900b7 100644 --- a/pimd/pim_mroute.c +++ b/pimd/pim_mroute.c @@ -628,7 +628,7 @@ static int pim_mroute_msg(struct pim_instance *pim, const char *buf, ifaddr = connected_src->u.prefix4; igmp = pim_igmp_sock_lookup_ifaddr(pim_ifp->igmp_socket_list, ifaddr); - if (PIM_DEBUG_MROUTE) { + if (PIM_DEBUG_IGMP_PACKETS) { zlog_debug( "%s(%s): igmp kernel upcall on %s(%p) for %pI4 -> %pI4", __func__, pim->vrf->name, ifp->name, igmp, diff --git a/pimd/pim_upstream.c b/pimd/pim_upstream.c index d95b092d94..9899172e6c 100644 --- a/pimd/pim_upstream.c +++ b/pimd/pim_upstream.c @@ -749,6 +749,13 @@ void pim_upstream_switch(struct pim_instance *pim, struct pim_upstream *up, bool send_xg_jp = false; forward_off(up); + /* + * RFC 4601 Sec 4.5.7: + * JoinDesired(S,G) -> False, set SPTbit to false. + */ + if (up->sg.src.s_addr != INADDR_ANY) + up->sptbit = PIM_UPSTREAM_SPTBIT_FALSE; + if (old_state == PIM_UPSTREAM_JOINED) pim_msdp_up_join_state_changed(pim, up); diff --git a/tests/topotests/isis-sr-te-topo1/test_isis_sr_te_topo1.py b/tests/topotests/isis-sr-te-topo1/test_isis_sr_te_topo1.py index 5e5c0f9fee..b1071310cf 100755 --- a/tests/topotests/isis-sr-te-topo1/test_isis_sr_te_topo1.py +++ b/tests/topotests/isis-sr-te-topo1/test_isis_sr_te_topo1.py @@ -150,7 +150,13 @@ class TemplateTopo(Topo): def setup_module(mod): "Sets up the pytest environment" + tgen = Topogen(TemplateTopo, mod.__name__) + + frrdir = tgen.config.get(tgen.CONFIG_SECTION, "frrdir") + if not os.path.isfile(os.path.join(frrdir, "pathd")): + pytest.skip("pathd daemon wasn't built") + tgen.start_topology() router_list = tgen.routers() diff --git a/tests/topotests/ospf_basic_functionality/ospf_p2mp.json b/tests/topotests/ospf_basic_functionality/ospf_p2mp.json new file mode 100644 index 0000000000..40815f36f3 --- /dev/null +++ b/tests/topotests/ospf_basic_functionality/ospf_p2mp.json @@ -0,0 +1,198 @@ +{ + + "ipv4base": "10.0.0.0", + "ipv4mask": 24, + "link_ip_start": { + "ipv4": "10.0.0.0", + "v4mask": 24 + }, + "lo_prefix": { + "ipv4": "1.0.", + "v4mask": 32 + }, + "routers": { + "r0": { + "links": { + "lo": { + "ipv4": "auto", + "type": "loopback" + }, + "r1": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4, + "network": "point-to-multipoint" + } + }, + "r2": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4, + "network": "point-to-multipoint" + } + }, + "r3": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4, + "network": "point-to-multipoint" + } + } + }, + "ospf": { + "router_id": "100.1.1.0", + "neighbors": { + "r1": {}, + "r2": {}, + "r3": {} + } + } + }, + "r1": { + "links": { + "lo": { + "ipv4": "auto", + "type": "loopback" + }, + "r0": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4, + "network": "point-to-multipoint" + } + }, + "r2": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4, + "network": "point-to-multipoint" + } + }, + "r3": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4, + "network": "point-to-multipoint" + } + }, + "r3-link0": { + "ipv4": "auto", + "description": "DummyIntftoR3" + } + }, + "ospf": { + "router_id": "100.1.1.1", + "neighbors": { + "r0": {}, + "r2": {}, + "r3": {} + } + } + }, + "r2": { + "links": { + "lo": { + "ipv4": "auto", + "type": "loopback" + }, + "r0": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4, + "network": "point-to-multipoint" + } + }, + "r1": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4, + "network": "point-to-multipoint" + } + }, + "r3": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4, + "network": "point-to-multipoint" + } + } + }, + "ospf": { + "router_id": "100.1.1.2", + "neighbors": { + "r1": {}, + "r0": {}, + "r3": {} + } + } + }, + "r3": { + "links": { + "lo": { + "ipv4": "auto", + "type": "loopback" + }, + "r0": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4, + "network": "point-to-multipoint" + } + }, + "r1": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4, + "network": "point-to-multipoint" + } + }, + "r2": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4, + "network": "point-to-multipoint" + } + }, + "r1-link0": { + "ipv4": "auto", + "description": "DummyIntftoR1", + "ospf": { + "area": "0.0.0.0" + } + } + }, + "ospf": { + "router_id": "100.1.1.3", + "neighbors": { + "r0": {}, + "r1": {}, + "r2": {} + } + } + } + } +}
\ No newline at end of file diff --git a/tests/topotests/ospf_basic_functionality/test_ospf_p2mp.py b/tests/topotests/ospf_basic_functionality/test_ospf_p2mp.py new file mode 100644 index 0000000000..c90275ecb0 --- /dev/null +++ b/tests/topotests/ospf_basic_functionality/test_ospf_p2mp.py @@ -0,0 +1,416 @@ +#!/usr/bin/python + +# +# Copyright (c) 2020 by VMware, Inc. ("VMware") +# Used Copyright (c) 2018 by Network Device Education Foundation, Inc. +# ("NetDEF") in this file. +# +# Permission to use, copy, modify, and/or distribute this software +# for any purpose with or without fee is hereby granted, provided +# that the above copyright notice and this permission notice appear +# in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND VMWARE DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL VMWARE BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY +# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS +# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE +# OF THIS SOFTWARE. +# + + +"""OSPF Basic Functionality Automation.""" +import os +import sys +import time +import pytest +import json +from copy import deepcopy +from ipaddress import IPv4Address + +# Save the Current Working Directory to find configuration files. +CWD = os.path.dirname(os.path.realpath(__file__)) +sys.path.append(os.path.join(CWD, "../")) +sys.path.append(os.path.join(CWD, "../lib/")) + +# pylint: disable=C0413 +# Import topogen and topotest helpers +from mininet.topo import Topo +from lib.topogen import Topogen, get_topogen +import ipaddress + +# Import topoJson from lib, to create topology and initial configuration +from lib.common_config import ( + start_topology, + write_test_header, + write_test_footer, + reset_config_on_routers, + verify_rib, + create_static_routes, + step, + create_route_maps, + shutdown_bringup_interface, + create_interfaces_cfg, + topo_daemons, +) +from lib.topolog import logger +from lib.topojson import build_topo_from_json, build_config_from_json + +from lib.ospf import ( + verify_ospf_neighbor, + config_ospf_interface, + clear_ospf, + verify_ospf_rib, + create_router_ospf, + verify_ospf_interface, + verify_ospf_database, +) + +# Global variables +topo = None + +# Reading the data from JSON File for topology creation +jsonFile = "{}/ospf_p2mp.json".format(CWD) +try: + with open(jsonFile, "r") as topoJson: + topo = json.load(topoJson) +except IOError: + assert False, "Could not read file {}".format(jsonFile) + +""" +TOPOOLOGY = + Please view in a fixed-width font such as Courier. + +---+ A1 +---+ + +R1 +------------+R2 | + +-+-+- +--++ + | -- -- | + | -- A0 -- | + A0| ---- | + | ---- | A2 + | -- -- | + | -- -- | + +-+-+- +-+-+ + +R0 +-------------+R3 | + +---+ A3 +---+ + +TESTCASES = +1. OSPF P2MP -Verify state change events on p2mp network. + """ + + +class CreateTopo(Topo): + """ + Test topology builder. + + * `Topo`: Topology object + """ + + def build(self, *_args, **_opts): + """Build function.""" + tgen = get_topogen(self) + + # Building topology from json file + build_topo_from_json(tgen, topo) + + +def setup_module(mod): + """ + Sets up the pytest environment + + * `mod`: module name + """ + global topo + testsuite_run_time = time.asctime(time.localtime(time.time())) + logger.info("Testsuite start time: {}".format(testsuite_run_time)) + logger.info("=" * 40) + + logger.info("Running setup_module to create topology") + + # This function initiates the topology build with Topogen... + tgen = Topogen(CreateTopo, mod.__name__) + # ... and here it calls Mininet initialization functions. + + # get list of daemons needs to be started for this suite. + daemons = topo_daemons(tgen, topo) + + # Starting topology, create tmp files which are loaded to routers + # to start deamons and then start routers + start_topology(tgen, daemons) + + # Creating configuration from JSON + build_config_from_json(tgen, topo) + + # Don't run this test if we have any failure. + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + + logger.info("Running setup_module() done") + + +def teardown_module(mod): + """ + Teardown the pytest environment. + + * `mod`: module name + """ + + logger.info("Running teardown_module to delete topology") + + tgen = get_topogen() + + # Stop toplogy and Remove tmp files + tgen.stop_topology() + + logger.info( + "Testsuite end time: {}".format(time.asctime(time.localtime(time.time()))) + ) + logger.info("=" * 40) + + +# ################################## +# Test cases start here. +# ################################## + + +def test_ospf_p2mp_tc1_p0(request): + """OSPF IFSM -Verify state change events on p2mp network.""" + tc_name = request.node.name + write_test_header(tc_name) + tgen = get_topogen() + + # Don't run this test if we have any failure. + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + global topo + step("Bring up the base config as per the topology") + reset_config_on_routers(tgen) + step( + "Verify that OSPF is subscribed to multi cast services " + "(All SPF, all DR Routers)." + ) + step("Verify that interface is enabled in ospf.") + step("Verify that config is successful.") + dut = "r0" + input_dict = { + "r0": { + "links": { + "r3": {"ospf": {"mcastMemberOspfAllRouters": True, "ospfEnabled": True}} + } + } + } + result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + step("Delete the ip address") + topo1 = { + "r0": { + "links": { + "r3": { + "ipv4": topo["routers"]["r0"]["links"]["r3"]["ipv4"], + "interface": topo["routers"]["r0"]["links"]["r3"]["interface"], + "delete": True, + } + } + } + } + + result = create_interfaces_cfg(tgen, topo1) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + step("Change the ip on the R0 interface") + + topo_modify_change_ip = deepcopy(topo) + intf_ip = topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv4"] + topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv4"] = str( + IPv4Address(unicode(intf_ip.split("/")[0])) + 3 + ) + "/{}".format(intf_ip.split("/")[1]) + + build_config_from_json(tgen, topo_modify_change_ip, save_bkup=False) + step("Verify that interface is enabled in ospf.") + dut = "r0" + input_dict = { + "r0": { + "links": { + "r3": { + "ospf": { + "ipAddress": topo_modify_change_ip["routers"]["r0"]["links"][ + "r3" + ]["ipv4"].split("/")[0], + "ipAddressPrefixlen": int( + topo_modify_change_ip["routers"]["r0"]["links"]["r3"][ + "ipv4" + ].split("/")[1] + ), + } + } + } + } + } + result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + step("Modify the mask on the R0 interface") + ip_addr = topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv4"] + mask = topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv4"] + step("Delete the ip address") + topo1 = { + "r0": { + "links": { + "r3": { + "ipv4": ip_addr, + "interface": topo["routers"]["r0"]["links"]["r3"]["interface"], + "delete": True, + } + } + } + } + + result = create_interfaces_cfg(tgen, topo1) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + step("Change the ip on the R0 interface") + + topo_modify_change_ip = deepcopy(topo) + intf_ip = topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv4"] + topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv4"] = str( + IPv4Address(unicode(intf_ip.split("/")[0])) + 3 + ) + "/{}".format(int(intf_ip.split("/")[1]) + 1) + + build_config_from_json(tgen, topo_modify_change_ip, save_bkup=False) + step("Verify that interface is enabled in ospf.") + dut = "r0" + input_dict = { + "r0": { + "links": { + "r3": { + "ospf": { + "ipAddress": topo_modify_change_ip["routers"]["r0"]["links"][ + "r3" + ]["ipv4"].split("/")[0], + "ipAddressPrefixlen": int( + topo_modify_change_ip["routers"]["r0"]["links"]["r3"][ + "ipv4" + ].split("/")[1] + ), + } + } + } + } + } + result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + topo1 = { + "r0": { + "links": { + "r3": { + "ipv4": topo_modify_change_ip["routers"]["r0"]["links"]["r3"][ + "ipv4" + ], + "interface": topo_modify_change_ip["routers"]["r0"]["links"]["r3"][ + "interface" + ], + "delete": True, + } + } + } + } + + result = create_interfaces_cfg(tgen, topo1) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + build_config_from_json(tgen, topo, save_bkup=False) + + step("Change the area id on the interface") + input_dict = { + "r0": { + "links": { + "r3": { + "interface": topo["routers"]["r0"]["links"]["r3"]["interface"], + "ospf": {"area": "0.0.0.0"}, + "delete": True, + } + } + } + } + + result = create_interfaces_cfg(tgen, input_dict) + assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result) + + input_dict = { + "r0": { + "links": { + "r3": { + "interface": topo["routers"]["r0"]["links"]["r3"]["interface"], + "ospf": {"area": "0.0.0.1"}, + } + } + } + } + + result = create_interfaces_cfg(tgen, input_dict) + assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result) + step("Verify that interface is enabled in ospf.") + dut = "r0" + input_dict = { + "r0": {"links": {"r3": {"ospf": {"area": "0.0.0.1", "ospfEnabled": True}}}} + } + result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + input_dict = { + "r0": { + "links": { + "r3": { + "interface": topo["routers"]["r0"]["links"]["r3"]["interface"], + "ospf": {"area": "0.0.0.1"}, + "delete": True, + } + } + } + } + + result = create_interfaces_cfg(tgen, input_dict) + assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result) + + input_dict = { + "r0": { + "links": { + "r3": { + "interface": topo["routers"]["r0"]["links"]["r3"]["interface"], + "ospf": {"area": "0.0.0.0"}, + } + } + } + } + + result = create_interfaces_cfg(tgen, input_dict) + assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result) + + step("Verify if interface is enabled with network type P2MP") + input_dict = { + "r0": { + "links": { + "r3": { + "interface": topo["routers"]["r0"]["links"]["r3"]["interface"], + "ospf": { + "area": "0.0.0.0", + "networkType":"POINTOMULTIPOINT" + }, + } + } + } + } + result = create_interfaces_cfg(tgen, input_dict) + assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result) + + write_test_footer(tc_name) + + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args)) diff --git a/vtysh/vtysh.c b/vtysh/vtysh.c index f3e28b70e8..a6f9f39a4c 100644 --- a/vtysh/vtysh.c +++ b/vtysh/vtysh.c @@ -1261,6 +1261,7 @@ static struct cmd_node pw_node = { .prompt = "%s(config-pw)# ", }; +#if defined(HAVE_PATHD) static struct cmd_node segment_routing_node = { .name = "segment-routing", .node = SEGMENT_ROUTING_NODE, @@ -1296,6 +1297,7 @@ static struct cmd_node srte_candidate_dyn_node = { .prompt = "%s(config-sr-te-candidate)# ", }; +#if defined(HAVE_PATHD_PCEP) static struct cmd_node pcep_node = { .name = "srte pcep", .node = PCEP_NODE, @@ -1323,6 +1325,8 @@ static struct cmd_node pcep_pce_config_node = { .parent_node = PCEP_NODE, .prompt = "%s(pcep-sr-te-pcep-pce-config)# ", }; +#endif /* HAVE_PATHD_PCEP */ +#endif /* HAVE_PATHD */ static struct cmd_node vrf_node = { .name = "vrf", @@ -2548,6 +2552,7 @@ DEFUNSH(VTYSH_KEYS, vtysh_quit_keys, vtysh_quit_keys_cmd, "quit", return vtysh_exit_keys(self, vty, argc, argv); } +#if defined(HAVE_PATHD) DEFUNSH(VTYSH_PATHD, vtysh_exit_pathd, vtysh_exit_pathd_cmd, "exit", "Exit current mode and down to previous mode\n") { @@ -2559,6 +2564,7 @@ DEFUNSH(VTYSH_PATHD, vtysh_quit_pathd, vtysh_quit_pathd_cmd, "quit", { return vtysh_exit_pathd(self, vty, argc, argv); } +#endif /* HAVE_PATHD */ DEFUNSH(VTYSH_ALL, vtysh_exit_line_vty, vtysh_exit_line_vty_cmd, "exit", "Exit current mode and down to previous mode\n") diff --git a/zebra/zebra_routemap.c b/zebra/zebra_routemap.c index 0ce724f608..bbc8b6f19d 100644 --- a/zebra/zebra_routemap.c +++ b/zebra/zebra_routemap.c @@ -1668,14 +1668,6 @@ void zebra_routemap_finish(void) route_map_finish(); } -void zebra_route_map_write_delay_timer(struct vty *vty) -{ - if (vty && (zebra_rmap_update_timer != ZEBRA_RMAP_DEFAULT_UPDATE_TIMER)) - vty_out(vty, "zebra route-map delay-timer %d\n", - zebra_rmap_update_timer); - return; -} - route_map_result_t zebra_route_map_check(int family, int rib_type, uint8_t instance, const struct prefix *p, struct nexthop *nexthop, @@ -1870,7 +1862,8 @@ void zebra_routemap_config_write_protocol(struct vty *vty, vty_out(vty, "%sipv6 nht %s route-map %s\n", space, "any", NHT_RM_NAME(zvrf, AFI_IP6, ZEBRA_ROUTE_MAX)); - if (zebra_rmap_update_timer != ZEBRA_RMAP_DEFAULT_UPDATE_TIMER) + if (zvrf_id(zvrf) == VRF_DEFAULT + && zebra_rmap_update_timer != ZEBRA_RMAP_DEFAULT_UPDATE_TIMER) vty_out(vty, "zebra route-map delay-timer %d\n", zebra_rmap_update_timer); } diff --git a/zebra/zebra_routemap.h b/zebra/zebra_routemap.h index 56e805ea03..251e07af72 100644 --- a/zebra/zebra_routemap.h +++ b/zebra/zebra_routemap.h @@ -36,8 +36,6 @@ extern void zebra_add_import_table_route_map(afi_t afi, const char *rmap_name, uint32_t table); extern void zebra_del_import_table_route_map(afi_t afi, uint32_t table); -extern void zebra_route_map_write_delay_timer(struct vty *); - extern route_map_result_t zebra_import_table_route_map_check(int family, int rib_type, uint8_t instance, const struct prefix *p, |