summaryrefslogtreecommitdiffstats
path: root/src/vppinfra/pool.h
AgeCommit message (Expand)AuthorFilesLines
2022-05-23ip: reassembly - fixing stepping index in a better wayVijayabhaskar Katamreddy1-10/+5
2022-05-19 ip: reassembly - pacing reassembly timeoutsVijayabhaskar Katamreddy1-5/+16
2022-04-12vppinfra: vector perf improvementsDamjan Marion1-5/+13
2022-04-05vppinfra: refactor address sanitizerDamjan Marion1-6/+6
2022-04-04vppinfra: make _vec_len() read-onlyDamjan Marion1-4/+4
2022-03-31vppinfra: vectors with non-default heapDamjan Marion1-6/+7
2022-03-30vppinfra: vector allocator reworkDamjan Marion1-183/+183
2022-03-18vppinfra: deprecate vec numa macrosDamjan Marion1-56/+42
2022-03-18vppinfra: refactor *_will_expand() functionsDamjan Marion1-49/+38
2022-03-18vppinfra: deprecate vec_free_h()Damjan Marion1-1/+1
2022-03-18vppinfra: use stored vec header size to find headerDamjan Marion1-1/+1
2022-03-18vppinfra: fixed pool from heapDamjan Marion1-17/+2
2022-03-17vppinfra: vec_max_len, vec_mem_size use stored header sizeDamjan Marion1-1/+1
2022-03-14vppinfra: fix vec capacityFlorin Coras1-4/+1
2022-03-14vppinfra: don't account vec_header_t size twice in the pool headerDamjan Marion1-2/+2
2022-03-09vppinfra: fix pool_free_eltsFlorin Coras1-19/+18
2021-11-25vppinfra: will_expand for pool_put and bitmapStanislav Zaikin1-0/+19
2021-11-22vppinfra: annotate pool_dup() for asanBenoît Ganne1-22/+24
2021-07-16vppinfra: remove pool_foreach_old, pool_foreach_index_old, clib_bitmap_foreac...Damjan Marion1-9/+0
2021-06-08vppinfra: pool_free_elts() now supports fixed-size poolsDave Barach1-29/+36
2020-12-14misc: move to new pool_foreach macrosDamjan Marion1-9/+9
2020-12-14vppinfra: simpler and faster pool_foreachDamjan Marion1-15/+31
2020-09-28vppinfra: don't call dlmalloc API directly from the codeDamjan Marion1-1/+0
2020-02-05vppinfra: numa vector placement supportDave Barach1-10/+25
2019-11-27misc: add address sanitizer heap instrumentationBenoît Ganne1-4/+9
2019-01-18vcl: move forking logic to vlsFlorin Coras1-12/+15
2018-11-29vcl: basic support for apps that forkFlorin Coras1-1/+1
2018-11-29vppinfra: add pool_dup macroFlorin Coras1-0/+35
2018-10-19Add pool_get_zero, pool_get_aligned_zero macrosDave Barach1-1/+13
2018-09-27Trivial: Cleanup some typos.Paul Vinciguerra1-1/+1
2018-06-30bitmap: add nocheck variants for bit opsFlorin Coras1-6/+7
2018-06-27Tune pool_get / pool_putDave Barach1-6/+8
2018-05-11Periodic scan and probe of IP neighbors to maintain neighbor poolsJohn Lo1-0/+3
2018-05-04Harmonize vec/pool_get_aligned object sizes and alignment requestsDave Barach1-0/+2
2017-11-14vppinfra: fix pool_get_aligned_will_expand for fixed poolsFlorin Coras1-3/+4
2017-09-01Add fixed-size, preallocated pool supportDave Barach1-29/+90
2017-08-02Fix tcp tx buffer allocationFlorin Coras1-1/+1
2017-03-03IPv6 RA improvementsNeale Ranns1-0/+26
2017-02-06Add pool_get[_aligned]_will_expand(...)Dave Barach1-0/+27
2016-12-28Reorganize source tree to use single autotools instanceDamjan Marion1-0/+405
>777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 
# NB NB NB NB NB NB NB NB NB NB NB
#
# NOTE: The API binary wrappers in this file are in the process of being
# deprecated. DO NOT ADD NEW WRAPPERS HERE. Call the functions using
# named arguments directly instead.
#

import os
import time
from collections import deque

from six import moves, iteritems
from vpp_papi import VPPApiClient, mac_pton
from hook import Hook
from vpp_ip_route import MPLS_IETF_MAX_LABEL, MPLS_LABEL_INVALID


#
# Dictionary keyed on message name to override default values for
# named parameters
#
defaultmapping = {

    'acl_interface_add_del': {'is_add': 1, 'is_input': 1},
    'bd_ip_mac_add_del': {'is_add': 1, },
    'bfd_udp_add': {'is_authenticated': False, 'bfd_key_id': None,
                    'conf_key_id': None},
    'bfd_udp_auth_activate': {'bfd_key_id': None, 'conf_key_id': None,
                              'is_delayed': False},
    'bier_disp_entry_add_del': {'next_hop_rpf_id': -1, 'next_hop_is_ip4': 1,
                                'is_add': 1, },
    'bier_disp_table_add_del': {'is_add': 1, },
    'bier_imp_add': {'is_add': 1, },
    'bier_route_add_del': {'is_add': 1, },
    'bier_table_add_del': {'is_add': 1, },
    'bridge_domain_add_del': {'flood': 1, 'uu_flood': 1, 'forward': 1,
                              'learn': 1, 'is_add': 1, },
    'bvi_delete': {},
    'gbp_subnet_add_del': {'sw_if_index': 4294967295, 'epg_id': 65535, },
    'geneve_add_del_tunnel': {'mcast_sw_if_index': 4294967295, 'is_add': 1,
                              'decap_next_index': 4294967295, },
    'input_acl_set_interface': {'ip4_table_index': 4294967295,
                                'ip6_table_index': 4294967295,
                                'l2_table_index': 4294967295, },
    'ip6_add_del_address_using_prefix': {'is_add': 1, },
    'ip6nd_send_router_solicitation': {'irt': 1, 'mrt': 120, },
    'ip_add_del_route': {'next_hop_sw_if_index': 4294967295,
                         'next_hop_weight': 1, 'next_hop_via_label': 1048576,
                         'classify_table_index': 4294967295, 'is_add': 1, },
    'ip_mroute_add_del': {'is_add': 1, },
    'ip_neighbor_add_del': {'is_add': 1, },
    'ip_punt_police': {'is_add': 1, },
    'ip_punt_redirect': {'is_add': 1, },
    'ip_route_add_del': {'is_add': 1, },
    'ipsec_interface_add_del_spd': {'is_add': 1, },
    'ipsec_spd_add_del': {'is_add': 1, },
    'ipsec_spd_dump': {'sa_id': 4294967295, },
    'ipsec_spd_entry_add_del': {'local_port_stop': 65535,
                                'remote_port_stop': 65535, 'priority': 100,
                                'is_outbound': 1,
                                'is_add': 1, },
    'ipsec_tunnel_if_add_del': {'is_add': 1, 'anti_replay': 1, },
    'l2_emulation': {'enable': 1, },
    'l2fib_add_del': {'is_add': 1, },
    'lisp_add_del_adjacency': {'is_add': 1, },
    'lisp_add_del_local_eid': {'is_add': 1, },
    'lisp_add_del_locator': {'priority': 1, 'weight': 1, 'is_add': 1, },
    'lisp_add_del_locator_set': {'is_add': 1, },
    'lisp_add_del_remote_mapping': {'is_add': 1, },
    'macip_acl_interface_add_del': {'is_add': 1, },
    'mpls_ip_bind_unbind': {'is_ip4': 1, 'is_bind': 1, },
    'mpls_route_add_del': {'mr_next_hop_sw_if_index': 4294967295,
                           'mr_next_hop_weight': 1,
                           'mr_next_hop_via_label': 1048576,
                           'mr_is_add': 1,
                           'mr_classify_table_index': 4294967295, },
    'mpls_table_add_del': {'is_add': 1, },
    'mpls_tunnel_add_del': {'next_hop_sw_if_index': 4294967295,
                            'next_hop_weight': 1,
                            'next_hop_via_label': 1048576,
                            'is_add': 1, },
    'output_acl_set_interface': {'ip4_table_index': 4294967295,
                                 'ip6_table_index': 4294967295,
                                 'l2_table_index': 4294967295, },
    'pppoe_add_del_session': {'is_add': 1, },
    'policer_add_del': {'is_add': 1, 'conform_action': {'type': 1}, },
    'proxy_arp_add_del': {'is_add': 1, },
    'proxy_arp_intfc_enable_disable': {'is_enable': 1, },
    'set_ip_flow_hash': {'src': 1, 'dst': 1, 'sport': 1, 'dport': 1,
                         'proto': 1, },
    'set_ipfix_exporter': {'collector_port': 4739, },
    'sr_policy_add': {'weight': 1, 'is_encap': 1, },
    'svs_enable_disable': {'is_enable': 1, },
    'svs_route_add_del': {'is_add': 1, },
    'svs_table_add_del': {'is_add': 1, },
    'sw_interface_add_del_address': {'is_add': 1, },
    'sw_interface_ip6nd_ra_prefix': {'val_lifetime': 4294967295,
                                     'pref_lifetime': 4294967295, },
    'sw_interface_set_ip_directed_broadcast': {'enable': 1, },
    'sw_interface_set_l2_bridge': {'enable': 1, },
    'sw_interface_set_mpls_enable': {'enable': 1, },
    'sw_interface_set_mtu': {'mtu': [0, 0, 0, 0], },
    'sw_interface_set_unnumbered': {'is_add': 1, },
    'sw_interface_span_enable_disable': {'state': 1, },
    'vxlan_add_del_tunnel': {'mcast_sw_if_index': 4294967295, 'is_add': 1,
                             'decap_next_index': 4294967295,
                             'instance': 4294967295, },
    'vxlan_gpe_add_del_tunnel': {'mcast_sw_if_index': 4294967295, 'is_add': 1,
                                 'protocol': 3, },
    'want_bfd_events': {'enable_disable': 1, },
    'want_igmp_events': {'enable': 1, },
    'want_interface_events': {'enable_disable': 1, },
    'want_l2_macs_events': {'enable_disable': 1, 'pid': os.getpid(), },
}


def as_fn_signature(d):
    return ", ".join(f"{k}={v}" for k, v in d.items())


class CliFailedCommandError(Exception):
    """ cli command failed."""


class CliSyntaxError(Exception):
    """ cli command had a syntax error."""


class UnexpectedApiReturnValueError(Exception):
    """ exception raised when the API return value is unexpected """
    pass


class VppPapiProvider(object):
    """VPP-api provider using vpp-papi

    @property hook: hook object providing before and after api/cli hooks
    """

    _zero, _negative = range(2)

    def __init__(self, name, shm_prefix, test_class, read_timeout):
        self.hook = Hook(test_class)
        self.name = name
        self.shm_prefix = shm_prefix
        self.test_class = test_class
        self._expect_api_retval = self._zero
        self._expect_stack = []

        # install_dir is a class attribute. We need to set it before
        # calling the constructor.
        VPPApiClient.apidir = os.getenv('VPP_INSTALL_PATH')

        use_socket = False
        try:
            if os.environ['SOCKET'] == '1':
                use_socket = True
        except KeyError:
            pass

        self.vpp = VPPApiClient(logger=test_class.logger,
                                read_timeout=read_timeout,
                                use_socket=use_socket,
                                server_address=test_class.api_sock)
        self._events = deque()

    def __enter__(self):
        return self

    def assert_negative_api_retval(self):
        """ Expect API failure - used with with, e.g.:
            with self.vapi.assert_negative_api_retval():
                self.vapi.<api call expected to fail>
        """
        self._expect_stack.append(self._expect_api_retval)
        self._expect_api_retval = self._negative
        return self

    def assert_zero_api_retval(self):
        """ Expect API success - used with with, e.g.:
            with self.vapi.assert_negative_api_retval():
                self.vapi.<api call expected to succeed>

            note: this is useful only inside another with block
                  as success is the default expected value
        """
        self._expect_stack.append(self._expect_api_retval)
        self._expect_api_retval = self._zero
        return self

    def __exit__(self, exc_type, exc_value, traceback):
        self._expect_api_retval = self._expect_stack.pop()

    def register_hook(self, hook):
        """Replace hook registration with new hook

        :param hook:

        """
        self.hook = hook

    def collect_events(self):
        """ Collect all events from the internal queue and clear the queue. """
        e = self._events
        self._events = deque()
        return e

    def wait_for_event(self, timeout, name=None):
        """ Wait for and return next event. """
        if name:
            self.test_class.logger.debug("Expecting event '%s' within %ss",
                                         name, timeout)
        else:
            self.test_class.logger.debug("Expecting event within %ss",
                                         timeout)
        if self._events:
            self.test_class.logger.debug("Not waiting, event already queued")
        limit = time.time() + timeout
        while time.time() < limit:
            if self._events:
                e = self._events.popleft()
                if name and type(e).__name__ != name:
                    raise Exception(
                        "Unexpected event received: %s, expected: %s" %
                        (type(e).__name__, name))
                self.test_class.logger.debug("Returning event %s:%s" %
                                             (name, e))
                return e
            self.test_class.sleep(0)  # yield
        raise Exception("Event did not occur within timeout")

    def __call__(self, name, event):
        """ Enqueue event in the internal event queue. """
        # FIXME use the name instead of relying on type(e).__name__ ?
        # FIXME #2 if this throws, it is eaten silently, Ole?
        self.test_class.logger.debug("New event: %s: %s" % (name, event))
        self._events.append(event)

    def factory(self, name, apifn):
        def f(*a, **ka):
            fields = apifn._func.msg.fields

            # add positional and kw arguments
            d = ka
            for i, o in enumerate(fields[3:]):
                try:
                    d[o] = a[i]
                except BaseException:
                    break

            # Default override
            if name in defaultmapping:
                for k, v in iteritems(defaultmapping[name]):
                    if k in d:
                        continue
                    d[k] = v
            return self.api(apifn, d)

        return f

    def __getattribute__(self, name):
        try:
            method = super(VppPapiProvider, self).__getattribute__(name)
        except AttributeError:
            method = self.factory(name, getattr(self.papi, name))
            # lazily load the method so we don't need to call factory
            # again for this name.
            setattr(self, name, method)
        return method

    def connect(self):
        """Connect the API to VPP"""
        self.vpp.connect(self.name, self.shm_prefix)
        self.papi = self.vpp.api
        self.vpp.register_event_callback(self)

    def disconnect(self):
        """Disconnect the API from VPP"""
        self.vpp.disconnect()

    def api(self, api_fn, api_args, expected_retval=0):
        """ Call API function and check it's return value.
        Call the appropriate hooks before and after the API call

        :param api_fn: API function to call
        :param api_args: tuple of API function arguments
        :param expected_retval: Expected return value (Default value = 0)
        :returns: reply from the API

        """
        self.hook.before_api(api_fn.__name__, api_args)
        reply = api_fn(**api_args)
        if self._expect_api_retval == self._negative:
            if hasattr(reply, 'retval') and reply.retval >= 0:
                msg = "%s(%s) passed unexpectedly: expected negative " \
                      "return value instead of %d in %s" % \
                      (api_fn.__name__, as_fn_signature(api_args),
                       reply.retval,
                       moves.reprlib.repr(reply))
                self.test_class.logger.info(msg)
                raise UnexpectedApiReturnValueError(msg)
        elif self._expect_api_retval == self._zero:
            if hasattr(reply, 'retval') and reply.retval != expected_retval:
                msg = "%s(%s) failed, expected %d return value instead " \
                      "of %d in %s" % (api_fn.__name__,
                                       as_fn_signature(api_args),
                                       expected_retval, reply.retval,
                                       repr(reply))
                self.test_class.logger.info(msg)
                raise UnexpectedApiReturnValueError(msg)
        else:
            raise Exception("Internal error, unexpected value for "
                            "self._expect_api_retval %s" %
                            self._expect_api_retval)
        self.hook.after_api(api_fn.__name__, api_args)
        return reply

    def cli_return_response(self, cli):
        """ Execute a CLI, calling the before/after hooks appropriately.
        Return the reply without examining it

        :param cli: CLI to execute
        :returns: response object

        """
        self.hook.before_cli(cli)
        cli += '\n'
        r = self.papi.cli_inband(cmd=cli)
        self.hook.after_cli(cli)
        return r

    def cli(self, cli):
        """ Execute a CLI, calling the before/after hooks appropriately.

        :param cli: CLI to execute
        :returns: CLI output

        """
        r = self.cli_return_response(cli)
        if r.retval == -156:
            raise CliSyntaxError(r.reply)
        if r.retval != 0:
            raise CliFailedCommandError(r.reply)
        if hasattr(r, 'reply'):
            return r.reply

    def ppcli(self, cli):
        """ Helper method to print CLI command in case of info logging level.

        :param cli: CLI to execute
        :returns: CLI output
        """
        return cli + "\n" + self.cli(cli)

    def ip6nd_send_router_solicitation(self, sw_if_index, irt=1, mrt=120,
                                       mrc=0, mrd=0):
        return self.api(self.papi.ip6nd_send_router_solicitation,
                        {'irt': irt,
                         'mrt': mrt,
                         'mrc': mrc,
                         'mrd': mrd,
                         'sw_if_index': sw_if_index})

    def want_interface_events(self, enable_disable=1):
        return self.api(self.papi.want_interface_events,
                        {'enable_disable': enable_disable,
                         'pid': os.getpid(), })

    def sw_interface_set_mac_address(self, sw_if_index, mac):
        return self.api(self.papi.sw_interface_set_mac_address,
                        {'sw_if_index': sw_if_index,
                         'mac_address': mac})

    def p2p_ethernet_add(self, sw_if_index, remote_mac, subif_id):
        """Create p2p ethernet subinterface

        :param sw_if_index: main (parent) interface
        :param remote_mac: client (remote) mac address

        """
        return self.api(
            self.papi.p2p_ethernet_add,
            {'parent_if_index': sw_if_index,
             'remote_mac': remote_mac,
             'subif_id': subif_id})

    def p2p_ethernet_del(self, sw_if_index, remote_mac):
        """Delete p2p ethernet subinterface

        :param sw_if_index: main (parent) interface
        :param remote_mac: client (remote) mac address

        """
        return self.api(
            self.papi.p2p_ethernet_del,
            {'parent_if_index': sw_if_index,
             'remote_mac': remote_mac})

    def create_vlan_subif(self, sw_if_index, vlan):
        """

        :param vlan:
        :param sw_if_index:

        """
        return self.api(self.papi.create_vlan_subif,
                        {'sw_if_index': sw_if_index,
                         'vlan_id': vlan})

    def create_loopback(self, mac=''):
        """

        :param mac: (Optional)
        """
        return self.api(self.papi.create_loopback,
                        {'mac_address': mac})

    def ip_route_dump(self, table_id, is_ip6=False):
        return self.api(self.papi.ip_route_dump,
                        {'table': {
                            'table_id': table_id,
                            'is_ip6': is_ip6
                        }})

    def ip_neighbor_add_del(self,
                            sw_if_index,
                            mac_address,
                            ip_address,
                            is_add=1,
                            flags=0):
        """ Add neighbor MAC to IPv4 or IPv6 address.

        :param sw_if_index:
        :param mac_address:
        :param dst_address:
        :param is_add:  (Default value = 1)
        :param flags:  (Default value = 0/NONE)
        """
        return self.api(
            self.papi.ip_neighbor_add_del,
            {
                'is_add': is_add,
                'neighbor': {
                    'sw_if_index': sw_if_index,
                    'flags': flags,
                    'mac_address': mac_address,
                    'ip_address': ip_address
                }
            }
        )

    def proxy_arp_add_del(self,
                          low,
                          hi,
                          table_id=0,
                          is_add=1):
        """ Config Proxy Arp Range.

        :param low_address: Start address in the rnage to Proxy for
        :param hi_address: End address in the rnage to Proxy for
        :param vrf_id: The VRF/table in which to proxy
        """

        return self.api(
            self.papi.proxy_arp_add_del,
            {'proxy':
                {
                    'table_id': table_id,
                    'low': low,
                    'hi': hi,
                },
                'is_add': is_add})

    def proxy_arp_intfc_enable_disable(self,
                                       sw_if_index,
                                       is_enable=1):
        """ Enable/Disable an interface for proxy ARP requests

        :param sw_if_index: Interface
        :param enable_disable: Enable/Disable
        """

        return self.api(
            self.papi.proxy_arp_intfc_enable_disable,
            {'sw_if_index': sw_if_index,
             'enable': is_enable
             }
        )

    def udp_encap_add(self,
                      src_ip,
                      dst_ip,
                      src_port,
                      dst_port,
                      table_id=0):
        """ Add a GRE tunnel
        :param src_ip:
        :param dst_ip:
        :param src_port:
        :param dst_port:
        :param outer_fib_id:  (Default value = 0)
        """

        return self.api(
            self.papi.udp_encap_add,
            {
                'udp_encap': {
                    'src_ip': src_ip,
                    'dst_ip': dst_ip,
                    'src_port': src_port,
                    'dst_port': dst_port,
                    'table_id': table_id
                }
            })

    def udp_encap_del(self, id):
        return self.api(self.papi.udp_encap_del, {'id': id})

    def udp_encap_dump(self):
        return self.api(self.papi.udp_encap_dump, {})

    def want_udp_encap_stats(self, enable=1):
        return self.api(self.papi.want_udp_encap_stats,
                        {'enable': enable,
                         'pid': os.getpid()})

    def mpls_route_dump(self, table_id):
        return self.api(self.papi.mpls_route_dump,
                        {'table': {
                            'mt_table_id': table_id
                        }})

    def mpls_table_dump(self):
        return self.api(self.papi.mpls_table_dump, {})

    def mpls_table_add_del(
            self,
            table_id,
            is_add=1):
        """

        :param table_id
        :param is_add:  (Default value = 1)

        """

        return self.api(
            self.papi.mpls_table_add_del,
            {'mt_table':
             {
                 'mt_table_id': table_id,
             },
             'mt_is_add': is_add})

    def mpls_route_add_del(self,
                           table_id,
                           label,
                           eos,
                           eos_proto,
                           is_multicast,
                           paths,
                           is_add,
                           is_multipath):
        """ MPLS Route add/del """
        return self.api(
            self.papi.mpls_route_add_del,
            {'mr_route':
             {
                 'mr_table_id': table_id,
                 'mr_label': label,
                 'mr_eos': eos,
                 'mr_eos_proto': eos_proto,
                 'mr_is_multicast': is_multicast,
                 'mr_n_paths': len(paths),
                 'mr_paths': paths,
             },
             'mr_is_add': is_add,
             'mr_is_multipath': is_multipath})

    def mpls_ip_bind_unbind(
            self,
            label,
            prefix,
            table_id=0,
            ip_table_id=0,
            is_bind=1):
        """
        """
        return self.api(
            self.papi.mpls_ip_bind_unbind,
            {'mb_mpls_table_id': table_id,
             'mb_label': label,
             'mb_ip_table_id': ip_table_id,
             'mb_is_bind': is_bind,
             'mb_prefix': prefix})

    def mpls_tunnel_add_del(
            self,
            tun_sw_if_index,
            paths,
            is_add=1,
            l2_only=0,
            is_multicast=0):
        """
        """
        return self.api(
            self.papi.mpls_tunnel_add_del,
            {'mt_is_add': is_add,
             'mt_tunnel':
             {
                 'mt_sw_if_index': tun_sw_if_index,
                 'mt_l2_only': l2_only,
                 'mt_is_multicast': is_multicast,
                 'mt_n_paths': len(paths),
                 'mt_paths': paths,
             }})

    def input_acl_set_interface(
            self,
            is_add,
            sw_if_index,
            ip4_table_index=0xFFFFFFFF,
            ip6_table_index=0xFFFFFFFF,
            l2_table_index=0xFFFFFFFF):
        """
        :param is_add:
        :param sw_if_index:
        :param ip4_table_index:  (Default value = 0xFFFFFFFF)
        :param ip6_table_index:  (Default value = 0xFFFFFFFF)
        :param l2_table_index:  (Default value = 0xFFFFFFFF)
        """

        return self.api(
            self.papi.input_acl_set_interface,
            {'sw_if_index': sw_if_index,
             'ip4_table_index': ip4_table_index,
             'ip6_table_index': ip6_table_index,
             'l2_table_index': l2_table_index,
             'is_add': is_add})

    def output_acl_set_interface(
            self,
            is_add,
            sw_if_index,
            ip4_table_index=0xFFFFFFFF,
            ip6_table_index=0xFFFFFFFF,
            l2_table_index=0xFFFFFFFF):
        """
        :param is_add:
        :param sw_if_index:
        :param ip4_table_index:  (Default value = 0xFFFFFFFF)
        :param ip6_table_index:  (Default value = 0xFFFFFFFF)
        :param l2_table_index:  (Default value = 0xFFFFFFFF)
        """

        return self.api(
            self.papi.output_acl_set_interface,
            {'sw_if_index': sw_if_index,
             'ip4_table_index': ip4_table_index,
             'ip6_table_index': ip6_table_index,
             'l2_table_index': l2_table_index,
             'is_add': is_add})

    def set_ipfix_exporter(
            self,
            collector_address,
            src_address,
            path_mtu,
            template_interval,
            vrf_id=0,
            collector_port=4739,
            udp_checksum=0):
        return self.api(
            self.papi.set_ipfix_exporter,
            {
                'collector_address': collector_address,
                'collector_port': collector_port,
                'src_address': src_address,
                'vrf_id': vrf_id,
                'path_mtu': path_mtu,
                'template_interval': template_interval,
                'udp_checksum': udp_checksum,
            })

    def mfib_signal_dump(self):
        return self.api(self.papi.mfib_signal_dump, {})

    def ip_mroute_dump(self, table_id, is_ip6=False):
        return self.api(self.papi.ip_mroute_dump,
                        {'table': {
                            'table_id': table_id,
                            'is_ip6': is_ip6
                        }})

    def vxlan_gpe_add_del_tunnel(
            self,
            src_addr,
            dst_addr,
            mcast_sw_if_index=0xFFFFFFFF,
            is_add=1,
            is_ipv6=0,
            encap_vrf_id=0,
            decap_vrf_id=0,
            protocol=3,
            vni=0):
        """

        :param local:
        :param remote:
        :param is_add:  (Default value = 1)
        :param is_ipv6:  (Default value = 0)
        :param encap_vrf_id:  (Default value = 0)
        :param decap_vrf_id:  (Default value = 0)
        :param mcast_sw_if_index:  (Default value = 0xFFFFFFFF)
        :param protocol:  (Default value = 3)
        :param vni:  (Default value = 0)

        """
        return self.api(self.papi.vxlan_gpe_add_del_tunnel,
                        {'is_add': is_add,
                         'is_ipv6': is_ipv6,
                         'local': src_addr,
                         'remote': dst_addr,
                         'mcast_sw_if_index': mcast_sw_if_index,
                         'encap_vrf_id': encap_vrf_id,
                         'decap_vrf_id': decap_vrf_id,
                         'protocol': protocol,
                         'vni': vni})

    def vxlan_gbp_tunnel_dump(self, sw_if_index=0xffffffff):
        return self.api(self.papi.vxlan_gbp_tunnel_dump,
                        {'sw_if_index': sw_if_index})

    def pppoe_add_del_session(
            self,
            client_ip,
            client_mac,
            session_id=0,
            is_add=1,
            decap_vrf_id=0):
        """

        :param is_add:  (Default value = 1)
        :param is_ipv6:  (Default value = 0)
        :param client_ip:
        :param session_id:  (Default value = 0)
        :param client_mac:
        :param decap_vrf_id:  (Default value = 0)

        """
        return self.api(self.papi.pppoe_add_del_session,
                        {'is_add': is_add,
                         'session_id': session_id,
                         'client_ip': client_ip,
                         'decap_vrf_id': decap_vrf_id,
                         'client_mac': client_mac})

    def sr_mpls_policy_add(self, bsid, weight, type, segments):
        return self.api(self.papi.sr_mpls_policy_add,
                        {'bsid': bsid,
                         'weight': weight,
                         'is_spray': type,
                         'n_segments': len(segments),
                         'segments': segments})

    def sr_mpls_policy_del(self, bsid):
        return self.api(self.papi.sr_mpls_policy_del,
                        {'bsid': bsid})

    def ip_punt_police(self,
                       policer_index,
                       is_ip6=0,
                       is_add=1):
        return self.api(self.papi.ip_punt_police,
                        {'policer_index': policer_index,
                         'is_add': is_add,
                         'is_ip6': is_ip6})

    def ip_punt_redirect(self,
                         rx_sw_if_index,
                         tx_sw_if_index,
                         address,
                         is_add=1):
        return self.api(self.papi.ip_punt_redirect,
                        {'punt': {'rx_sw_if_index': rx_sw_if_index,
                                  'tx_sw_if_index': tx_sw_if_index,
                                  'nh': address},
                         'is_add': is_add})

    def ip_punt_redirect_dump(self, sw_if_index, is_ipv6=0):
        return self.api(self.papi.ip_punt_redirect_dump,
                        {'sw_if_index': sw_if_index,
                         'is_ipv6': is_ipv6})

    def bier_table_add_del(self,
                           bti,
                           mpls_label,
                           is_add=1):
        """ BIER Table add/del """
        return self.api(
            self.papi.bier_table_add_del,
            {'bt_tbl_id': {"bt_set": bti.set_id,
                           "bt_sub_domain": bti.sub_domain_id,
                           "bt_hdr_len_id": bti.hdr_len_id},
             'bt_label': mpls_label,
             'bt_is_add': is_add})

    def bier_table_dump(self):
        return self.api(self.papi.bier_table_dump, {})

    def bier_route_add_del(self,
                           bti,
                           bp,
                           paths,
                           is_add=1,
                           is_replace=0):
        """ BIER Route add/del """
        return self.api(
            self.papi.bier_route_add_del,
            {
                'br_route': {
                    'br_tbl_id': {"bt_set": bti.set_id,
                                  "bt_sub_domain": bti.sub_domain_id,
                                  "bt_hdr_len_id": bti.hdr_len_id},
                    'br_bp': bp,
                    'br_n_paths': len(paths),
                    'br_paths': paths,
                },
                'br_is_add': is_add,
                'br_is_replace': is_replace
            })

    def bier_route_dump(self, bti):
        return self.api(
            self.papi.bier_route_dump,
            {'br_tbl_id': {"bt_set": bti.set_id,
                           "bt_sub_domain": bti.sub_domain_id,
                           "bt_hdr_len_id": bti.hdr_len_id}})

    def bier_imp_add(self,
                     bti,
                     src,
                     ibytes,
                     is_add=1):
        """ BIER Imposition Add """
        return self.api(
            self.papi.bier_imp_add,
            {'bi_tbl_id': {"bt_set": bti.set_id,
                           "bt_sub_domain": bti.sub_domain_id,
                           "bt_hdr_len_id": bti.hdr_len_id},
             'bi_src': src,
             'bi_n_bytes': len(ibytes),
             'bi_bytes': ibytes})

    def bier_imp_del(self, bi_index):
        """ BIER Imposition del """
        return self.api(
            self.papi.bier_imp_del,
            {'bi_index': bi_index})

    def bier_imp_dump(self):
        return self.api(self.papi.bier_imp_dump, {})

    def bier_disp_table_add_del(self,
                                bdti,
                                is_add=1):
        """ BIER Disposition Table add/del """
        return self.api(
            self.papi.bier_disp_table_add_del,
            {'bdt_tbl_id': bdti,
             'bdt_is_add': is_add})

    def bier_disp_table_dump(self):
        return self.api(self.papi.bier_disp_table_dump, {})

    def bier_disp_entry_add_del(self,
                                bdti,
                                bp,
                                payload_proto,
                                next_hop_afi,
                                next_hop,
                                next_hop_tbl_id=0,
                                next_hop_rpf_id=~0,
                                next_hop_is_ip4=1,
                                is_add=1):
        """ BIER Route add/del """
        lstack = []
        while (len(lstack) < 16):
            lstack.append({})
        return self.api(
            self.papi.bier_disp_entry_add_del,
            {'bde_tbl_id': bdti,
             'bde_bp': bp,
             'bde_payload_proto': payload_proto,
             'bde_n_paths': 1,
             'bde_paths': [{'table_id': next_hop_tbl_id,
                            'rpf_id': next_hop_rpf_id,
                            'n_labels': 0,
                            'label_stack': lstack}],
             'bde_is_add': is_add})

    def bier_disp_entry_dump(self, bdti):
        return self.api(
            self.papi.bier_disp_entry_dump,
            {'bde_tbl_id': bdti})

    def session_enable_disable(self, is_enabled):
        return self.api(
            self.papi.session_enable_disable,
            {'is_enable': is_enabled})

    def ipsec_spd_add_del(self, spd_id, is_add=1):
        """ SPD add/del - Wrapper to add or del ipsec SPD
        Sample CLI : 'ipsec spd add 1'

        :param spd_id - SPD ID to be created in the vpp . mandatory
        :param is_add - create (1) or delete(0) SPD (Default 1 - add) .
              optional
        :returns: reply from the API
        """
        return self.api(
            self.papi.ipsec_spd_add_del, {
                'spd_id': spd_id, 'is_add': is_add})

    def ipsec_spds_dump(self):
        return self.api(self.papi.ipsec_spds_dump, {})

    def ipsec_interface_add_del_spd(self, spd_id, sw_if_index, is_add=1):
        """ IPSEC interface SPD add/del - \
             Wrapper to associate/disassociate SPD to interface in VPP
        Sample CLI : 'set interface ipsec spd GigabitEthernet0/6/0 1'

        :param spd_id - SPD ID to associate with the interface . mandatory
        :param sw_if_index - Interface Index which needs to ipsec \
            association mandatory
        :param is_add - add(1) or del(0) association with interface \
                (Default 1 - add) . optional
        :returns: reply from the API
        """
        return self.api(
            self.papi.ipsec_interface_add_del_spd,
            {'spd_id': spd_id, 'sw_if_index': sw_if_index, 'is_add': is_add})

    def ipsec_spd_interface_dump(self, spd_index=None):
        return self.api(self.papi.ipsec_spd_interface_dump,
                        {'spd_index': spd_index if spd_index else 0,
                         'spd_index_valid': 1 if spd_index else 0})

    def ipsec_sa_dump(self, sa_id=None):
        return self.api(self.papi.ipsec_sa_dump,
                        {'sa_id': sa_id if sa_id else 0xffffffff})

    def ipsec_spd_entry_add_del(self,
                                spd_id,
                                sa_id,
                                local_address_start,
                                local_address_stop,
                                remote_address_start,
                                remote_address_stop,
                                local_port_start=0,
                                local_port_stop=65535,
                                remote_port_start=0,
                                remote_port_stop=65535,
                                protocol=0,
                                policy=0,
                                priority=100,
                                is_outbound=1,
                                is_add=1,
                                is_ipv6=0,
                                is_ip_any=0):
        """ IPSEC policy SPD add/del   -
                    Wrapper to configure ipsec SPD policy entries in VPP
        :param spd_id: SPD ID for the policy
        :param local_address_start: local-ip-range start address
        :param local_address_stop : local-ip-range stop address
        :param remote_address_start: remote-ip-range start address
        :param remote_address_stop : remote-ip-range stop address
        :param local_port_start: (Default value = 0)
        :param local_port_stop: (Default value = 65535)
        :param remote_port_start: (Default value = 0)
        :param remote_port_stop: (Default value = 65535)
        :param protocol: Any(0), AH(51) & ESP(50) protocol (Default value = 0)
        :param sa_id: Security Association ID for mapping it to SPD
        :param policy: bypass(0), discard(1), resolve(2) or protect(3) action
               (Default value = 0)
        :param priority: value for the spd action (Default value = 100)
        :param is_outbound: flag for inbound(0) or outbound(1)
               (Default value = 1)
        :param is_add: (Default value = 1)
        """
        return self.api(
            self.papi.ipsec_spd_entry_add_del,
            {
                'is_add': is_add,
                'entry':
                    {
                        'spd_id': spd_id,
                        'sa_id': sa_id,
                        'local_address_start': local_address_start,
                        'local_address_stop': local_address_stop,
                        'remote_address_start': remote_address_start,
                        'remote_address_stop': remote_address_stop,
                        'local_port_start': local_port_start,
                        'local_port_stop': local_port_stop,
                        'remote_port_start': remote_port_start,
                        'remote_port_stop': remote_port_stop,
                        'protocol': protocol,
                        'policy': policy,
                        'priority': priority,
                        'is_outbound': is_outbound,
                    }
            })

    def ipsec_spd_dump(self, spd_id, sa_id=0xffffffff):
        return self.api(self.papi.ipsec_spd_dump,
                        {'spd_id': spd_id,
                         'sa_id': sa_id})

    def ipsec_tunnel_if_add_del(self, local_ip, remote_ip, local_spi,
                                remote_spi, crypto_alg, local_crypto_key,
                                remote_crypto_key, integ_alg, local_integ_key,
                                remote_integ_key, is_add=1, esn=0, salt=0,
                                anti_replay=1, renumber=0,
                                udp_encap=0, show_instance=0xffffffff):
        return self.api(
            self.papi.ipsec_tunnel_if_add_del,
            {
                'local_ip': local_ip,
                'remote_ip': remote_ip,
                'local_spi': local_spi,
                'remote_spi': remote_spi,
                'crypto_alg': crypto_alg,
                'local_crypto_key_len': len(local_crypto_key),
                'local_crypto_key': local_crypto_key,
                'remote_crypto_key_len': len(remote_crypto_key),
                'remote_crypto_key': remote_crypto_key,
                'integ_alg': integ_alg,
                'local_integ_key_len': len(local_integ_key),
                'local_integ_key': local_integ_key,
                'remote_integ_key_len': len(remote_integ_key),
                'remote_integ_key': remote_integ_key,
                'is_add': is_add,
                'esn': esn,
                'anti_replay': anti_replay,
                'renumber': renumber,
                'show_instance': show_instance,
                'udp_encap': udp_encap,
                'salt': salt
            })

    def ipsec_select_backend(self, protocol, index):
        return self.api(self.papi.ipsec_select_backend,
                        {'protocol': protocol, 'index': index})

    def ipsec_backend_dump(self):
        return self.api(self.papi.ipsec_backend_dump, {})

    def app_namespace_add_del(self,
                              namespace_id,
                              ip4_fib_id=0,
                              ip6_fib_id=0,
                              sw_if_index=0xFFFFFFFF,
                              secret=0):
        return self.api(
            self.papi.app_namespace_add_del,
            {'secret': secret,
             'sw_if_index': sw_if_index,
             'ip4_fib_id': ip4_fib_id,
             'ip6_fib_id': ip6_fib_id,
             'namespace_id': namespace_id})

    def punt_socket_register(self, reg, pathname,
                             header_version=1):
        """ Register punt socket """
        return self.api(self.papi.punt_socket_register,
                        {'header_version': header_version,
                         'punt': reg,
                         'pathname': pathname})

    def punt_socket_deregister(self, reg):
        """ Unregister punt socket """
        return self.api(self.papi.punt_socket_deregister,
                        {'punt': reg})

    def gbp_endpoint_add(self, sw_if_index, ips, mac, sclass, flags,
                         tun_src, tun_dst):
        """ GBP endpoint Add """
        return self.api(self.papi.gbp_endpoint_add,
                        {'endpoint': {
                            'sw_if_index': sw_if_index,
                            'ips': ips,
                            'n_ips': len(ips),
                            'mac': mac,
                            'sclass': sclass,
                            'flags': flags,
                            'tun': {
                                'src': tun_src,
                                'dst': tun_dst,
                            }}})

    def gbp_endpoint_del(self, handle):
        """ GBP endpoint Del """
        return self.api(self.papi.gbp_endpoint_del,
                        {'handle': handle})

    def gbp_endpoint_dump(self):
        """ GBP endpoint Dump """
        return self.api(self.papi.gbp_endpoint_dump, {})

    def gbp_endpoint_group_add(self, vnid, sclass, bd,
                               rd, uplink_sw_if_index,
                               retention):
        """ GBP endpoint group Add """
        return self.api(self.papi.gbp_endpoint_group_add,
                        {'epg':
                            {
                                'uplink_sw_if_index': uplink_sw_if_index,
                                'bd_id': bd,
                                'rd_id': rd,
                                'vnid': vnid,
                                'sclass': sclass,
                                'retention': retention
                            }})

    def gbp_endpoint_group_del(self, sclass):
        """ GBP endpoint group Del """
        return self.api(self.papi.gbp_endpoint_group_del,
                        {'sclass': sclass})

    def gbp_bridge_domain_add(self, bd_id, rd_id, flags,
                              bvi_sw_if_index,
                              uu_fwd_sw_if_index,
                              bm_flood_sw_if_index):
        """ GBP bridge-domain Add """
        return self.api(self.papi.gbp_bridge_domain_add,
                        {'bd':
                            {
                                'flags': flags,
                                'bvi_sw_if_index': bvi_sw_if_index,
                                'uu_fwd_sw_if_index': uu_fwd_sw_if_index,
                                'bm_flood_sw_if_index': bm_flood_sw_if_index,
                                'bd_id': bd_id,
                                'rd_id': rd_id
                            }})

    def gbp_bridge_domain_del(self, bd_id):
        """ GBP bridge-domain Del """
        return self.api(self.papi.gbp_bridge_domain_del,
                        {'bd_id': bd_id})

    def gbp_route_domain_add(self, rd_id,
                             scope,
                             ip4_table_id,
                             ip6_table_id,
                             ip4_uu_sw_if_index,
                             ip6_uu_sw_if_index):
        """ GBP route-domain Add """
        return self.api(self.papi.gbp_route_domain_add,
                        {'rd':
                            {
                                'scope': scope,
                                'ip4_table_id': ip4_table_id,
                                'ip6_table_id': ip6_table_id,
                                'ip4_uu_sw_if_index': ip4_uu_sw_if_index,
                                'ip6_uu_sw_if_index': ip6_uu_sw_if_index,
                                'rd_id': rd_id
                            }})

    def gbp_route_domain_del(self, rd_id):
        """ GBP route-domain Del """
        return self.api(self.papi.gbp_route_domain_del,
                        {'rd_id': rd_id})

    def gbp_recirc_add_del(self, is_add, sw_if_index, sclass, is_ext):
        """ GBP recirc Add/Del """
        return self.api(self.papi.gbp_recirc_add_del,
                        {'is_add': is_add,
                         'recirc': {
                             'is_ext': is_ext,
                             'sw_if_index': sw_if_index,
                             'sclass': sclass}})

    def gbp_recirc_dump(self):
        """ GBP recirc Dump """
        return self.api(self.papi.gbp_recirc_dump, {})

    def gbp_ext_itf_add_del(self, is_add, sw_if_index, bd_id, rd_id, flags):
        """ GBP recirc Add/Del """
        return self.api(self.papi.gbp_ext_itf_add_del,
                        {'is_add': is_add,
                         'ext_itf': {
                             'sw_if_index': sw_if_index,
                             'bd_id': bd_id,
                             'rd_id': rd_id,
                             'flags': flags}})

    def gbp_ext_itf_dump(self):
        """ GBP recirc Dump """
        return self.api(self.papi.gbp_ext_itf_dump, {})

    def gbp_subnet_add_del(self, is_add, rd_id,
                           prefix, type,
                           sw_if_index=0xffffffff,
                           sclass=0xffff):
        """ GBP Subnet Add/Del """
        return self.api(self.papi.gbp_subnet_add_del,
                        {'is_add': is_add,
                         'subnet': {
                             'type': type,
                             'sw_if_index': sw_if_index,
                             'sclass': sclass,
                             'prefix': prefix,
                             'rd_id': rd_id}})

    def gbp_subnet_dump(self):
        """ GBP Subnet Dump """
        return self.api(self.papi.gbp_subnet_dump, {})

    def gbp_contract_dump(self):
        """ GBP contract Dump """
        return self.api(self.papi.gbp_contract_dump, {})

    def gbp_vxlan_tunnel_add(self, vni, bd_rd_id, mode, src):
        """ GBP VXLAN tunnel add """
        return self.api(self.papi.gbp_vxlan_tunnel_add,
                        {
                            'tunnel': {
                                'vni': vni,
                                'mode': mode,
                                'bd_rd_id': bd_rd_id,
                                'src': src
                            }
                        })

    def gbp_vxlan_tunnel_del(self, vni):
        """ GBP VXLAN tunnel del """
        return self.api(self.papi.gbp_vxlan_tunnel_del,
                        {
                            'vni': vni,
                        })

    def gbp_vxlan_tunnel_dump(self):
        """ GBP VXLAN tunnel add/del """
        return self.api(self.papi.gbp_vxlan_tunnel_dump, {})

    def igmp_enable_disable(self, sw_if_index, enable, host):
        """ Enable/disable IGMP on a given interface """
        return self.api(self.papi.igmp_enable_disable,
                        {'enable': enable,
                         'mode': host,
                         'sw_if_index': sw_if_index})

    def igmp_proxy_device_add_del(self, vrf_id, sw_if_index, add):
        """ Add/del IGMP proxy device """
        return self.api(self.papi.igmp_proxy_device_add_del,
                        {'vrf_id': vrf_id, 'sw_if_index': sw_if_index,
                         'add': add})

    def igmp_proxy_device_add_del_interface(self, vrf_id, sw_if_index, add):
        """ Add/del interface to/from IGMP proxy device """
        return self.api(self.papi.igmp_proxy_device_add_del_interface,
                        {'vrf_id': vrf_id, 'sw_if_index': sw_if_index,
                         'add': add})

    def igmp_listen(self, filter, sw_if_index, saddrs, gaddr):
        """ Listen for new (S,G) on specified interface

        :param enable: add/del
        :param sw_if_index: interface sw index
        :param saddr: source ip4 addr
        :param gaddr: group ip4 addr
        """
        return self.api(self.papi.igmp_listen,
                        {
                            'group':
                                {
                                    'filter': filter,
                                    'sw_if_index': sw_if_index,
                                    'n_srcs': len(saddrs),
                                    'saddrs': saddrs,
                                    'gaddr': gaddr
                                }
                        })

    def igmp_clear_interface(self, sw_if_index):
        """ Remove all (S,G)s from specified interface
            doesn't send IGMP report!
        """
        return self.api(
            self.papi.igmp_clear_interface, {
                'sw_if_index': sw_if_index})

    def want_igmp_events(self, enable=1):
        return self.api(self.papi.want_igmp_events, {'enable': enable,
                                                     'pid': os.getpid()})

    def bond_create(
            self,
            mode,
            lb,
            numa_only,
            use_custom_mac,
            mac_address='',
            interface_id=0xFFFFFFFF):
        """
        :param mode: mode
        :param lb: load balance
        :param numa_only: tx on local numa node for lacp mode
        :param use_custom_mac: use custom mac
        :param mac_address: mac address
        :param interface_id: custom interface ID
        """
        return self.api(
            self.papi.bond_create,
            {'mode': mode,
             'lb': lb,
             'numa_only': numa_only,
             'use_custom_mac': use_custom_mac,
             'mac_address': mac_address,
             'id': interface_id
             })

    def pipe_delete(self, parent_sw_if_index):
        return self.api(self.papi.pipe_delete,
                        {'parent_sw_if_index': parent_sw_if_index})

    def svs_table_add_del(self, af, table_id, is_add=1):
        return self.api(self.papi.svs_table_add_del,
                        {
                            'table_id': table_id,
                            'is_add': is_add,
                            'af': af,
                        })

    def svs_route_add_del(self, table_id, prefix, src_table_id, is_add=1):
        return self.api(self.papi.svs_route_add_del,
                        {
                            'table_id': table_id,
                            'source_table_id': src_table_id,
                            'prefix': prefix,
                            'is_add': is_add,
                        })

    def svs_enable_disable(self, af, table_id, sw_if_index, is_enable=1):
        return self.api(self.papi.svs_enable_disable,
                        {
                            'af': af,
                            'table_id': table_id,
                            'sw_if_index': sw_if_index,
                            'is_enable': is_enable,
                        })

    def feature_gso_enable_disable(self, sw_if_index, enable_disable=1):
        return self.api(self.papi.feature_gso_enable_disable,
                        {
                            'sw_if_index': sw_if_index,
                            'enable_disable': enable_disable,
                        })