Added vpp intial source code from master branch 17.01.1

Change-Id: I81bdace6f330825a1746a853766779dfb24765fd
Signed-off-by: sreejith <sreejith.surendrannair@linaro.org>

1 files changed, 986 insertions, 0 deletions

diff --git a/vpp/test/vpp_papi_provider.py b/vpp/test/vpp_papi_provider.py
new file mode 100644
index 00000000..3279a274
--- /dev/null
+++ b/vpp/test/vpp_papi_provider.py
@@ -0,0 +1,986 @@
+import os
+import fnmatch
+import time
+from hook import Hook
+from collections import deque
+
+# Sphinx creates auto-generated documentation by importing the python source
+# files and collecting the docstrings from them. The NO_VPP_PAPI flag allows the
+# vpp_papi_provider.py file to be importable without having to build the whole
+# vpp api if the user only wishes to generate the test documentation.
+do_import = True
+try:
+    no_vpp_papi = os.getenv("NO_VPP_PAPI")
+    if no_vpp_papi == "1":
+        do_import = False
+except:
+    pass
+
+if do_import:
+    from vpp_papi import VPP
+
+# from vnet/vnet/mpls/mpls_types.h
+MPLS_IETF_MAX_LABEL = 0xfffff
+MPLS_LABEL_INVALID = MPLS_IETF_MAX_LABEL + 1
+
+
+class L2_VTR_OP:
+    L2_POP_1 = 3
+
+
+class VppPapiProvider(object):
+    """VPP-api provider using vpp-papi
+
+    @property hook: hook object providing before and after api/cli hooks
+
+
+    """
+
+    def __init__(self, name, shm_prefix, test_class):
+        self.hook = Hook("vpp-papi-provider")
+        self.name = name
+        self.shm_prefix = shm_prefix
+        self.test_class = test_class
+        jsonfiles = []
+
+        install_dir = os.getenv('VPP_TEST_INSTALL_PATH')
+        for root, dirnames, filenames in os.walk(install_dir):
+            for filename in fnmatch.filter(filenames, '*.api.json'):
+                jsonfiles.append(os.path.join(root, filename))
+
+        self.papi = VPP(jsonfiles)
+        self._events = deque()
+
+    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 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
+            time.sleep(0)  # yield
+        if name is not None:
+            raise Exception("Event %s did not occur within timeout" % name)
+        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 connect(self):
+        """Connect the API to VPP"""
+        self.papi.connect(self.name, self.shm_prefix)
+        self.papi.register_event_callback(self)
+
+    def disconnect(self):
+        """Disconnect the API from VPP"""
+        self.papi.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 hasattr(reply, 'retval') and reply.retval != expected_retval:
+            msg = "API call failed, expected retval == %d, got %s" % (
+                expected_retval, repr(reply))
+            self.test_class.logger.info(msg)
+            raise Exception(msg)
+        self.hook.after_api(api_fn.__name__, api_args)
+        return reply
+
+    def cli(self, cli):
+        """ Execute a CLI, calling the before/after hooks appropriately.
+
+        :param cli: CLI to execute
+        :returns: CLI output
+
+        """
+        self.hook.before_cli(cli)
+        cli += '\n'
+        r = self.papi.cli_inband(length=len(cli), cmd=cli)
+        self.hook.after_cli(cli)
+        if hasattr(r, 'reply'):
+            return r.reply.decode().rstrip('\x00')
+
+    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" + str(self.cli(cli))
+
+    def _convert_mac(self, mac):
+        return int(mac.replace(":", ""), 16) << 16
+
+    def show_version(self):
+        """ """
+        return self.papi.show_version()
+
+    def pg_create_interface(self, pg_index):
+        """
+
+        :param pg_index:
+
+        """
+        return self.api(self.papi.pg_create_interface,
+                        {"interface_id": pg_index})
+
+    def sw_interface_dump(self, filter=None):
+        """
+
+        :param filter:  (Default value = None)
+
+        """
+        if filter is not None:
+            args = {"name_filter_valid": 1, "name_filter": filter}
+        else:
+            args = {}
+        return self.api(self.papi.sw_interface_dump, args)
+
+    def sw_interface_set_table(self, sw_if_index, is_ipv6, table_id):
+        """ Set the IPvX Table-id for the Interface
+
+        :param sw_if_index:
+        :param is_ipv6:
+        :param table_id:
+
+        """
+        return self.api(self.papi.sw_interface_set_table,
+                        {'sw_if_index': sw_if_index, 'is_ipv6': is_ipv6,
+                         'vrf_id': table_id})
+
+    def sw_interface_add_del_address(self, sw_if_index, addr, addr_len,
+                                     is_ipv6=0, is_add=1, del_all=0):
+        """
+
+        :param addr: param is_ipv6:  (Default value = 0)
+        :param sw_if_index:
+        :param addr_len:
+        :param is_ipv6:  (Default value = 0)
+        :param is_add:  (Default value = 1)
+        :param del_all:  (Default value = 0)
+
+        """
+        return self.api(self.papi.sw_interface_add_del_address,
+                        {'sw_if_index': sw_if_index,
+                         'is_add': is_add,
+                         'is_ipv6': is_ipv6,
+                         'del_all': del_all,
+                         'address_length': addr_len,
+                         'address': addr})
+
+    def sw_interface_enable_disable_mpls(self, sw_if_index,
+                                         is_enable=1):
+        """
+        Enable/Disable MPLS on the interface
+        :param sw_if_index:
+        :param is_enable:  (Default value = 1)
+
+        """
+        return self.api(self.papi.sw_interface_set_mpls_enable,
+                        {'sw_if_index': sw_if_index,
+                         'enable': is_enable})
+
+    def sw_interface_ra_suppress(self, sw_if_index):
+        return self.api(self.papi.sw_interface_ip6nd_ra_config,
+                        {'sw_if_index': sw_if_index})
+
+    def vxlan_add_del_tunnel(
+            self,
+            src_addr,
+            dst_addr,
+            mcast_sw_if_index=0xFFFFFFFF,
+            is_add=1,
+            is_ipv6=0,
+            encap_vrf_id=0,
+            decap_next_index=0xFFFFFFFF,
+            vni=0):
+        """
+
+        :param dst_addr:
+        :param src_addr:
+        :param is_add:  (Default value = 1)
+        :param is_ipv6:  (Default value = 0)
+        :param encap_vrf_id:  (Default value = 0)
+        :param decap_next_index:  (Default value = 0xFFFFFFFF)
+        :param mcast_sw_if_index:  (Default value = 0xFFFFFFFF)
+        :param vni:  (Default value = 0)
+
+        """
+        return self.api(self.papi.vxlan_add_del_tunnel,
+                        {'is_add': is_add,
+                         'is_ipv6': is_ipv6,
+                         'src_address': src_addr,
+                         'dst_address': dst_addr,
+                         'mcast_sw_if_index': mcast_sw_if_index,
+                         'encap_vrf_id': encap_vrf_id,
+                         'decap_next_index': decap_next_index,
+                         'vni': vni})
+
+    def bridge_domain_add_del(self, bd_id, flood=1, uu_flood=1, forward=1,
+                              learn=1, arp_term=0, is_add=1):
+        """Create/delete bridge domain.
+
+        :param int bd_id: Bridge domain index.
+        :param int flood: Enable/disable bcast/mcast flooding in the BD.
+            (Default value = 1)
+        :param int uu_flood: Enable/disable unknown unicast flood in the BD.
+            (Default value = 1)
+        :param int forward: Enable/disable forwarding on all interfaces in
+            the BD. (Default value = 1)
+        :param int learn: Enable/disable learning on all interfaces in the BD.
+            (Default value = 1)
+        :param int arp_term: Enable/disable arp termination in the BD.
+            (Default value = 1)
+        :param int is_add: Add or delete flag. (Default value = 1)
+        """
+        return self.api(self.papi.bridge_domain_add_del,
+                        {'bd_id': bd_id,
+                         'flood': flood,
+                         'uu_flood': uu_flood,
+                         'forward': forward,
+                         'learn': learn,
+                         'arp_term': arp_term,
+                         'is_add': is_add})
+
+    def l2fib_add_del(self, mac, bd_id, sw_if_index, is_add=1, static_mac=0,
+                      filter_mac=0, bvi_mac=0):
+        """Create/delete L2 FIB entry.
+
+        :param str mac: MAC address to create FIB entry for.
+        :param int bd_id: Bridge domain index.
+        :param int sw_if_index: Software interface index of the interface.
+        :param int is_add: Add or delete flag. (Default value = 1)
+        :param int static_mac: Set to 1 to create static MAC entry.
+            (Default value = 0)
+        :param int filter_mac: Set to 1 to drop packet that's source or
+            destination MAC address contains defined MAC address.
+            (Default value = 0)
+        :param int bvi_mac: Set to 1 to create entry that points to BVI
+            interface. (Default value = 0)
+        """
+        return self.api(self.papi.l2fib_add_del,
+                        {'mac': self._convert_mac(mac),
+                         'bd_id': bd_id,
+                         'sw_if_index': sw_if_index,
+                         'is_add': is_add,
+                         'static_mac': static_mac,
+                         'filter_mac': filter_mac,
+                         'bvi_mac': bvi_mac})
+
+    def sw_interface_set_l2_bridge(self, sw_if_index, bd_id,
+                                   shg=0, bvi=0, enable=1):
+        """Add/remove interface to/from bridge domain.
+
+        :param int sw_if_index: Software interface index of the interface.
+        :param int bd_id: Bridge domain index.
+        :param int shg: Split-horizon group index. (Default value = 0)
+        :param int bvi: Set interface as a bridge group virtual interface.
+            (Default value = 0)
+        :param int enable: Add or remove interface. (Default value = 1)
+        """
+        return self.api(self.papi.sw_interface_set_l2_bridge,
+                        {'rx_sw_if_index': sw_if_index,
+                         'bd_id': bd_id,
+                         'shg': shg,
+                         'bvi': bvi,
+                         'enable': enable})
+
+    def bridge_flags(self, bd_id, is_set, feature_bitmap):
+        """Enable/disable required feature of the bridge domain with defined ID.
+
+        :param int bd_id: Bridge domain ID.
+        :param int is_set: Set to 1 to enable, set to 0 to disable the feature.
+        :param int feature_bitmap: Bitmap value of the feature to be set:
+            - learn (1 << 0),
+            - forward (1 << 1),
+            - flood (1 << 2),
+            - uu-flood (1 << 3) or
+            - arp-term (1 << 4).
+        """
+        return self.api(self.papi.bridge_flags,
+                        {'bd_id': bd_id,
+                         'is_set': is_set,
+                         'feature_bitmap': feature_bitmap})
+
+    def bridge_domain_dump(self, bd_id=0):
+        """
+
+        :param int bd_id: Bridge domain ID. (Default value = 0 => dump of all
+            existing bridge domains returned)
+        :return: Dictionary of bridge domain(s) data.
+        """
+        return self.api(self.papi.bridge_domain_dump,
+                        {'bd_id': bd_id})
+
+    def sw_interface_set_l2_xconnect(self, rx_sw_if_index, tx_sw_if_index,
+                                     enable):
+        """Create or delete unidirectional cross-connect from Tx interface to
+        Rx interface.
+
+        :param int rx_sw_if_index: Software interface index of Rx interface.
+        :param int tx_sw_if_index: Software interface index of Tx interface.
+        :param int enable: Create cross-connect if equal to 1, delete
+            cross-connect if equal to 0.
+
+        """
+        return self.api(self.papi.sw_interface_set_l2_xconnect,
+                        {'rx_sw_if_index': rx_sw_if_index,
+                         'tx_sw_if_index': tx_sw_if_index,
+                         'enable': enable})
+
+    def sw_interface_set_l2_tag_rewrite(
+            self,
+            sw_if_index,
+            vtr_oper,
+            push=0,
+            tag1=0,
+            tag2=0):
+        """L2 interface vlan tag rewrite configure request
+        :param client_index - opaque cookie to identify the sender
+        :param context - sender context, to match reply w/ request
+        :param sw_if_index - interface the operation is applied to
+        :param vtr_op - Choose from l2_vtr_op_t enum values
+        :param push_dot1q - first pushed flag dot1q id set, else dot1ad
+        :param tag1 - Needed for any push or translate vtr op
+        :param tag2 - Needed for any push 2 or translate x-2 vtr ops
+
+        """
+        return self.api(self.papi.l2_interface_vlan_tag_rewrite,
+                        {'sw_if_index': sw_if_index,
+                         'vtr_op': vtr_oper,
+                         'push_dot1q': push,
+                         'tag1': tag1,
+                         'tag2': tag2})
+
+    def sw_interface_set_flags(self, sw_if_index, admin_up_down,
+                               link_up_down=0, deleted=0):
+        """
+
+        :param admin_up_down:
+        :param sw_if_index:
+        :param link_up_down:  (Default value = 0)
+        :param deleted:  (Default value = 0)
+
+        """
+        return self.api(self.papi.sw_interface_set_flags,
+                        {'sw_if_index': sw_if_index,
+                         'admin_up_down': admin_up_down,
+                         'link_up_down': link_up_down,
+                         'deleted': deleted})
+
+    def create_subif(self, sw_if_index, sub_id, outer_vlan, inner_vlan,
+                     no_tags=0, one_tag=0, two_tags=0, dot1ad=0, exact_match=0,
+                     default_sub=0, outer_vlan_id_any=0, inner_vlan_id_any=0):
+        """Create subinterface
+        from vpe.api: set dot1ad = 0 for dot1q, set dot1ad = 1 for dot1ad
+
+        :param sub_id: param inner_vlan:
+        :param sw_if_index:
+        :param outer_vlan:
+        :param inner_vlan:
+        :param no_tags:  (Default value = 0)
+        :param one_tag:  (Default value = 0)
+        :param two_tags:  (Default value = 0)
+        :param dot1ad:  (Default value = 0)
+        :param exact_match:  (Default value = 0)
+        :param default_sub:  (Default value = 0)
+        :param outer_vlan_id_any:  (Default value = 0)
+        :param inner_vlan_id_any:  (Default value = 0)
+
+        """
+        return self.api(
+            self.papi.create_subif,
+            {'sw_if_index': sw_if_index,
+             'sub_id': sub_id,
+             'no_tags': no_tags,
+             'one_tag': one_tag,
+             'two_tags': two_tags,
+             'dot1ad': dot1ad,
+             'exact_match': exact_match,
+             'default_sub': default_sub,
+             'outer_vlan_id_any': outer_vlan_id_any,
+             'inner_vlan_id_any': inner_vlan_id_any,
+             'outer_vlan_id': outer_vlan,
+             'inner_vlan_id': inner_vlan})
+
+    def delete_subif(self, sw_if_index):
+        """Delete subinterface
+
+        :param sw_if_index:
+        """
+        return self.api(self.papi.delete_subif,
+                        {'sw_if_index': sw_if_index})
+
+    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_add_del_route(
+            self,
+            dst_address,
+            dst_address_length,
+            next_hop_address,
+            next_hop_sw_if_index=0xFFFFFFFF,
+            table_id=0,
+            next_hop_table_id=0,
+            next_hop_weight=1,
+            next_hop_n_out_labels=0,
+            next_hop_out_label_stack=[],
+            next_hop_via_label=MPLS_LABEL_INVALID,
+            create_vrf_if_needed=0,
+            is_resolve_host=0,
+            is_resolve_attached=0,
+            classify_table_index=0xFFFFFFFF,
+            is_add=1,
+            is_drop=0,
+            is_unreach=0,
+            is_prohibit=0,
+            is_ipv6=0,
+            is_local=0,
+            is_classify=0,
+            is_multipath=0,
+            not_last=0):
+        """
+
+        :param dst_address_length:
+        :param next_hop_sw_if_index:  (Default value = 0xFFFFFFFF)
+        :param dst_address:
+        :param next_hop_address:
+        :param next_hop_sw_if_index:  (Default value = 0xFFFFFFFF)
+        :param vrf_id:  (Default value = 0)
+        :param lookup_in_vrf:  (Default value = 0)
+        :param classify_table_index:  (Default value = 0xFFFFFFFF)
+        :param create_vrf_if_needed:  (Default value = 0)
+        :param is_add:  (Default value = 1)
+        :param is_drop:  (Default value = 0)
+        :param is_ipv6:  (Default value = 0)
+        :param is_local:  (Default value = 0)
+        :param is_classify:  (Default value = 0)
+        :param is_multipath:  (Default value = 0)
+        :param is_resolve_host:  (Default value = 0)
+        :param is_resolve_attached:  (Default value = 0)
+        :param not_last:  (Default value = 0)
+        :param next_hop_weight:  (Default value = 1)
+
+        """
+
+        return self.api(
+            self.papi.ip_add_del_route,
+            {'next_hop_sw_if_index': next_hop_sw_if_index,
+             'table_id': table_id,
+             'classify_table_index': classify_table_index,
+             'next_hop_table_id': next_hop_table_id,
+             'create_vrf_if_needed': create_vrf_if_needed,
+             'is_add': is_add,
+             'is_drop': is_drop,
+             'is_unreach': is_unreach,
+             'is_prohibit': is_prohibit,
+             'is_ipv6': is_ipv6,
+             'is_local': is_local,
+             'is_classify': is_classify,
+             'is_multipath': is_multipath,
+             'is_resolve_host': is_resolve_host,
+             'is_resolve_attached': is_resolve_attached,
+             'not_last': not_last,
+             'next_hop_weight': next_hop_weight,
+             'dst_address_length': dst_address_length,
+             'dst_address': dst_address,
+             'next_hop_address': next_hop_address,
+             'next_hop_n_out_labels': next_hop_n_out_labels,
+             'next_hop_via_label': next_hop_via_label,
+             'next_hop_out_label_stack': next_hop_out_label_stack})
+
+    def ip_fib_dump(self):
+        return self.api(self.papi.ip_fib_dump, {})
+
+    def ip_neighbor_add_del(self,
+                            sw_if_index,
+                            mac_address,
+                            dst_address,
+                            vrf_id=0,
+                            is_add=1,
+                            is_ipv6=0,
+                            is_static=0,
+                            ):
+        """ Add neighbor MAC to IPv4 or IPv6 address.
+
+        :param sw_if_index:
+        :param mac_address:
+        :param dst_address:
+        :param vrf_id:  (Default value = 0)
+        :param is_add:  (Default value = 1)
+        :param is_ipv6:  (Default value = 0)
+        :param is_static:  (Default value = 0)
+        """
+
+        return self.api(
+            self.papi.ip_neighbor_add_del,
+            {'vrf_id': vrf_id,
+             'sw_if_index': sw_if_index,
+             'is_add': is_add,
+             'is_ipv6': is_ipv6,
+             'is_static': is_static,
+             'mac_address': mac_address,
+             'dst_address': dst_address
+             }
+        )
+
+    def sw_interface_span_enable_disable(
+            self, sw_if_index_from, sw_if_index_to, state=1):
+        """
+
+        :param sw_if_index_from:
+        :param sw_if_index_to:
+        :param state:
+        """
+        return self.api(self.papi.sw_interface_span_enable_disable,
+                        {'sw_if_index_from': sw_if_index_from,
+                         'sw_if_index_to': sw_if_index_to,
+                         'state': state})
+
+    def gre_tunnel_add_del(self,
+                           src_address,
+                           dst_address,
+                           outer_fib_id=0,
+                           is_teb=0,
+                           is_add=1,
+                           is_ip6=0):
+        """ Add a GRE tunnel
+
+        :param src_address:
+        :param dst_address:
+        :param outer_fib_id:  (Default value = 0)
+        :param is_add:  (Default value = 1)
+        :param is_ipv6:  (Default value = 0)
+        :param is_teb:  (Default value = 0)
+        """
+
+        return self.api(
+            self.papi.gre_add_del_tunnel,
+            {'is_add': is_add,
+             'is_ipv6': is_ip6,
+             'teb': is_teb,
+             'src_address': src_address,
+             'dst_address': dst_address,
+             'outer_fib_id': outer_fib_id}
+        )
+
+    def mpls_route_add_del(
+            self,
+            label,
+            eos,
+            next_hop_proto_is_ip4,
+            next_hop_address,
+            next_hop_sw_if_index=0xFFFFFFFF,
+            table_id=0,
+            next_hop_table_id=0,
+            next_hop_weight=1,
+            next_hop_n_out_labels=0,
+            next_hop_out_label_stack=[],
+            next_hop_via_label=MPLS_LABEL_INVALID,
+            create_vrf_if_needed=0,
+            is_resolve_host=0,
+            is_resolve_attached=0,
+            is_add=1,
+            is_drop=0,
+            is_multipath=0,
+            classify_table_index=0xFFFFFFFF,
+            is_classify=0,
+            not_last=0):
+        """
+
+        :param dst_address_length:
+        :param next_hop_sw_if_index:  (Default value = 0xFFFFFFFF)
+        :param dst_address:
+        :param next_hop_address:
+        :param next_hop_sw_if_index:  (Default value = 0xFFFFFFFF)
+        :param vrf_id:  (Default value = 0)
+        :param lookup_in_vrf:  (Default value = 0)
+        :param classify_table_index:  (Default value = 0xFFFFFFFF)
+        :param create_vrf_if_needed:  (Default value = 0)
+        :param is_add:  (Default value = 1)
+        :param is_drop:  (Default value = 0)
+        :param is_ipv6:  (Default value = 0)
+        :param is_local:  (Default value = 0)
+        :param is_classify:  (Default value = 0)
+        :param is_multipath:  (Default value = 0)
+        :param is_resolve_host:  (Default value = 0)
+        :param is_resolve_attached:  (Default value = 0)
+        :param not_last:  (Default value = 0)
+        :param next_hop_weight:  (Default value = 1)
+
+        """
+
+        return self.api(
+            self.papi.mpls_route_add_del,
+            {'mr_label': label,
+             'mr_eos': eos,
+             'mr_table_id': table_id,
+             'mr_classify_table_index': classify_table_index,
+             'mr_create_table_if_needed': create_vrf_if_needed,
+             'mr_is_add': is_add,
+             'mr_is_classify': is_classify,
+             'mr_is_multipath': is_multipath,
+             'mr_is_resolve_host': is_resolve_host,
+             'mr_is_resolve_attached': is_resolve_attached,
+             'mr_next_hop_proto_is_ip4': next_hop_proto_is_ip4,
+             'mr_next_hop_weight': next_hop_weight,
+             'mr_next_hop': next_hop_address,
+             'mr_next_hop_n_out_labels': next_hop_n_out_labels,
+             'mr_next_hop_sw_if_index': next_hop_sw_if_index,
+             'mr_next_hop_table_id': next_hop_table_id,
+             'mr_next_hop_via_label': next_hop_via_label,
+             'mr_next_hop_out_label_stack': next_hop_out_label_stack})
+
+    def mpls_ip_bind_unbind(
+            self,
+            label,
+            dst_address,
+            dst_address_length,
+            table_id=0,
+            ip_table_id=0,
+            is_ip4=1,
+            create_vrf_if_needed=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_create_table_if_needed': create_vrf_if_needed,
+             'mb_is_bind': is_bind,
+             'mb_is_ip4': is_ip4,
+             'mb_address_length': dst_address_length,
+             'mb_address': dst_address})
+
+    def mpls_tunnel_add_del(
+            self,
+            tun_sw_if_index,
+            next_hop_proto_is_ip4,
+            next_hop_address,
+            next_hop_sw_if_index=0xFFFFFFFF,
+            next_hop_table_id=0,
+            next_hop_weight=1,
+            next_hop_n_out_labels=0,
+            next_hop_out_label_stack=[],
+            next_hop_via_label=MPLS_LABEL_INVALID,
+            create_vrf_if_needed=0,
+            is_add=1,
+            l2_only=0):
+        """
+
+        :param dst_address_length:
+        :param next_hop_sw_if_index:  (Default value = 0xFFFFFFFF)
+        :param dst_address:
+        :param next_hop_address:
+        :param next_hop_sw_if_index:  (Default value = 0xFFFFFFFF)
+        :param vrf_id:  (Default value = 0)
+        :param lookup_in_vrf:  (Default value = 0)
+        :param classify_table_index:  (Default value = 0xFFFFFFFF)
+        :param create_vrf_if_needed:  (Default value = 0)
+        :param is_add:  (Default value = 1)
+        :param is_drop:  (Default value = 0)
+        :param is_ipv6:  (Default value = 0)
+        :param is_local:  (Default value = 0)
+        :param is_classify:  (Default value = 0)
+        :param is_multipath:  (Default value = 0)
+        :param is_resolve_host:  (Default value = 0)
+        :param is_resolve_attached:  (Default value = 0)
+        :param not_last:  (Default value = 0)
+        :param next_hop_weight:  (Default value = 1)
+
+        """
+        return self.api(
+            self.papi.mpls_tunnel_add_del,
+            {'mt_sw_if_index': tun_sw_if_index,
+             'mt_is_add': is_add,
+             'mt_l2_only': l2_only,
+             'mt_next_hop_proto_is_ip4': next_hop_proto_is_ip4,
+             'mt_next_hop_weight': next_hop_weight,
+             'mt_next_hop': next_hop_address,
+             'mt_next_hop_n_out_labels': next_hop_n_out_labels,
+             'mt_next_hop_sw_if_index': next_hop_sw_if_index,
+             'mt_next_hop_table_id': next_hop_table_id,
+             'mt_next_hop_out_label_stack': next_hop_out_label_stack})
+
+    def snat_interface_add_del_feature(
+            self,
+            sw_if_index,
+            is_inside=1,
+            is_add=1):
+        """Enable/disable S-NAT feature on the interface
+
+        :param sw_if_index: Software index of the interface
+        :param is_inside: 1 if inside, 0 if outside (Default value = 1)
+        :param is_add: 1 if add, 0 if delete (Default value = 1)
+        """
+        return self.api(
+            self.papi.snat_interface_add_del_feature,
+            {'is_add': is_add,
+             'is_inside': is_inside,
+             'sw_if_index': sw_if_index})
+
+    def snat_add_static_mapping(
+            self,
+            local_ip,
+            external_ip,
+            local_port=0,
+            external_port=0,
+            addr_only=1,
+            vrf_id=0,
+            is_add=1,
+            is_ip4=1):
+        """Add/delete S-NAT static mapping
+
+        :param local_ip: Local IP address
+        :param external_ip: External IP address
+        :param local_port: Local port number (Default value = 0)
+        :param external_port: External port number (Default value = 0)
+        :param addr_only: 1 if address only mapping, 0 if address and port
+        :param vrf_id: VRF ID
+        :param is_add: 1 if add, 0 if delete (Default value = 1)
+        :param is_ip4: 1 if address type is IPv4 (Default value = 1)
+        """
+        return self.api(
+            self.papi.snat_add_static_mapping,
+            {'is_add': is_add,
+             'is_ip4': is_ip4,
+             'addr_only': addr_only,
+             'local_ip_address': local_ip,
+             'external_ip_address': external_ip,
+             'local_port': local_port,
+             'external_port': external_port,
+             'vrf_id': vrf_id})
+
+    def snat_add_address_range(
+            self,
+            first_ip_address,
+            last_ip_address,
+            is_add=1,
+            is_ip4=1):
+        """Add/del S-NAT address range
+
+        :param first_ip_address: First IP address
+        :param last_ip_address: Last IP address
+        :param is_add: 1 if add, 0 if delete (Default value = 1)
+        :param is_ip4: 1 if address type is IPv4 (Default value = 1)
+        """
+        return self.api(
+            self.papi.snat_add_address_range,
+            {'is_ip4': is_ip4,
+             'first_ip_address': first_ip_address,
+             'last_ip_address': last_ip_address,
+             'is_add': is_add})
+
+    def snat_address_dump(self):
+        """Dump S-NAT addresses
+        :return: Dictionary of S-NAT addresses
+        """
+        return self.api(self.papi.snat_address_dump, {})
+
+    def snat_interface_dump(self):
+        """Dump interfaces with S-NAT feature
+        :return: Dictionary of interfaces with S-NAT feature
+        """
+        return self.api(self.papi.snat_interface_dump, {})
+
+    def snat_static_mapping_dump(self):
+        """Dump S-NAT static mappings
+        :return: Dictionary of S-NAT static mappings
+        """
+        return self.api(self.papi.snat_static_mapping_dump, {})
+
+    def snat_show_config(self):
+        """Show S-NAT config
+        :return: S-NAT config parameters
+        """
+        return self.api(self.papi.snat_show_config, {})
+
+    def control_ping(self):
+        self.api(self.papi.control_ping)
+
+    def bfd_udp_add(self, sw_if_index, desired_min_tx, required_min_rx,
+                    detect_mult, local_addr, peer_addr, is_ipv6=0):
+        return self.api(self.papi.bfd_udp_add,
+                        {
+                            'sw_if_index': sw_if_index,
+                            'desired_min_tx': desired_min_tx,
+                            'required_min_rx': required_min_rx,
+                            'local_addr': local_addr,
+                            'peer_addr': peer_addr,
+                            'is_ipv6': is_ipv6,
+                            'detect_mult': detect_mult,
+                        })
+
+    def bfd_udp_del(self, sw_if_index, local_addr, peer_addr, is_ipv6=0):
+        return self.api(self.papi.bfd_udp_del,
+                        {
+                            'sw_if_index': sw_if_index,
+                            'local_addr': local_addr,
+                            'peer_addr': peer_addr,
+                            'is_ipv6': is_ipv6,
+                        })
+
+    def bfd_udp_session_dump(self):
+        return self.api(self.papi.bfd_udp_session_dump, {})
+
+    def bfd_session_set_flags(self, bs_idx, admin_up_down):
+        return self.api(self.papi.bfd_session_set_flags, {
+            'bs_index': bs_idx,
+            'admin_up_down': admin_up_down,
+        })
+
+    def want_bfd_events(self, enable_disable=1):
+        return self.api(self.papi.want_bfd_events, {
+            'enable_disable': enable_disable,
+            'pid': os.getpid(),
+        })
+
+    def classify_add_del_table(
+            self,
+            is_add,
+            mask,
+            match_n_vectors=1,
+            table_index=0xFFFFFFFF,
+            nbuckets=2,
+            memory_size=2097152,
+            skip_n_vectors=0,
+            next_table_index=0xFFFFFFFF,
+            miss_next_index=0xFFFFFFFF,
+            current_data_flag=0,
+            current_data_offset=0):
+
+        """
+        :param is_add:
+        :param mask:
+        :param match_n_vectors (Default value = 1):
+        :param table_index (Default value = 0xFFFFFFFF)
+        :param nbuckets:  (Default value = 2)
+        :param memory_size:  (Default value = 2097152)
+        :param skip_n_vectors:  (Default value = 0)
+        :param next_table_index:  (Default value = 0xFFFFFFFF)
+        :param miss_next_index:  (Default value = 0xFFFFFFFF)
+        :param current_data_flag:  (Default value = 0)
+        :param current_data_offset:  (Default value = 0)
+        """
+
+        return self.api(
+            self.papi.classify_add_del_table,
+            {'is_add' : is_add,
+             'table_index' : table_index,
+             'nbuckets' : nbuckets,
+             'memory_size': memory_size,
+             'skip_n_vectors' : skip_n_vectors,
+             'match_n_vectors' : match_n_vectors,
+             'next_table_index' : next_table_index,
+             'miss_next_index' : miss_next_index,
+             'current_data_flag' : current_data_flag,
+             'current_data_offset' : current_data_offset,
+             'mask' : mask})
+
+    def classify_add_del_session(
+            self,
+            is_add,
+            table_index,
+            match,
+            opaque_index=0xFFFFFFFF,
+            hit_next_index=0xFFFFFFFF,
+            advance=0,
+            action=0,
+            metadata=0):
+        """
+        :param is_add:
+        :param table_index:
+        :param match:
+        :param opaque_index:  (Default value = 0xFFFFFFFF)
+        :param hit_next_index:  (Default value = 0xFFFFFFFF)
+        :param advance:  (Default value = 0)
+        :param action:  (Default value = 0)
+        :param metadata:  (Default value = 0)
+        """
+
+        return self.api(
+            self.papi.classify_add_del_session,
+            {'is_add' : is_add,
+             'table_index' : table_index,
+             'hit_next_index' : hit_next_index,
+             'opaque_index' : opaque_index,
+             'advance' : advance,
+             'action' : action,
+             'metadata' : metadata,
+             'match' : match})
+
+    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})