vpp-device: GENEVE tunnel test, l3 mode

Jira: CSIT-1769

Change-Id: I98510cd8e627d7347f77d0032b7bac28f2e36c61
Signed-off-by: Jan Gelety <jgelety@cisco.com>

4 files changed, 152 insertions, 3 deletions

diff --git a/resources/libraries/python/GeneveUtil.py b/resources/libraries/python/GeneveUtil.py
new file mode 100644
index 0000000000..3c8ebeebb3
--- /dev/null
+++ b/resources/libraries/python/GeneveUtil.py
@@ -0,0 +1,126 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""VPP GENEVE Plugin utilities library."""
+
+from ipaddress import ip_address
+
+from resources.libraries.python.Constants import Constants
+from resources.libraries.python.InterfaceUtil import InterfaceUtil
+from resources.libraries.python.IPAddress import IPAddress
+from resources.libraries.python.PapiExecutor import PapiSocketExecutor
+from resources.libraries.python.topology import Topology
+
+
+class GeneveUtil:
+    """VPP GENEVE Plugin Keywords."""
+
+    @staticmethod
+    def add_geneve_tunnel(
+            node, local_address, remote_address, vni, multicast_if=None,
+            encap_vrf=0, l3_mode=False, next_index=None):
+        """Add GENEVE tunnel on the specified VPP node.
+
+        :param node: Topology node.
+        :param local_address: Local IP address.
+        :param remote_address: Remote IP address.
+        :param vni: Virtual network ID.
+        :param multicast_if: Interface key of multicast interface; used only if
+            remote is multicast. (Default value = None)
+        :param encap_vrf: The FIB ID for sending unicast GENEVE encap packets or
+            receiving multicast packets. (Default value = 0)
+        :param l3_mode: Use geneve tunnel in L3 mode (ip routing) if Tue else in
+            L2 mode (L2 switching). (Default value = False)
+        :param next_index: The index of the next node.
+        :type node: dict
+        :type local_address: str
+        :type remote_address: str
+        :type vni: int
+        :type multicast_if: str
+        :type encap_vrf: int
+        :type l3_mode: bool
+        :type next_index: int
+        :returns: SW interface index of created geneve tunnel.
+        :rtype: int
+        """
+        cmd = u"geneve_add_del_tunnel2"
+        args = dict(
+            is_add=True,
+            local_address=IPAddress.create_ip_address_object(
+                ip_address(local_address)
+            ),
+            remote_address=IPAddress.create_ip_address_object(
+                ip_address(remote_address)
+            ),
+            mcast_sw_if_index=Topology.get_interface_sw_index(
+                node, multicast_if
+            ) if multicast_if else Constants.BITWISE_NON_ZERO,
+            encap_vrf_id=int(encap_vrf),
+            decap_next_index=next_index if l3_mode
+            else Constants.BITWISE_NON_ZERO,
+            vni=int(vni),
+            l3_mode=l3_mode
+        )
+        err_msg = f"Failed to configure GENEVE tunnel on host {node[u'host']}!"
+        with PapiSocketExecutor(node) as papi_exec:
+            sw_if_index = papi_exec.add(cmd, **args).get_sw_if_index(err_msg)
+
+        if_key = Topology.add_new_port(node, u"geneve_tunnel")
+        Topology.update_interface_sw_if_index(node, if_key, sw_if_index)
+
+        ifc_name = InterfaceUtil.vpp_get_interface_name(node, sw_if_index)
+        Topology.update_interface_name(node, if_key, ifc_name)
+
+        ifc_mac = InterfaceUtil.vpp_get_interface_mac(node, sw_if_index)
+        Topology.update_interface_mac_address(node, if_key, ifc_mac)
+
+        return sw_if_index
+
+    @staticmethod
+    def enable_interface_geneve_bypass(node, interface, is_ipv6=False):
+        """Add ipv4/ipv6-geneve-bypass graph node for a given interface on
+        the specified VPP node.
+
+        :param node: Topology node.
+        :param interface: Interface key from topology file of interface
+            to add geneve bypass node for.
+        :param is_ipv6: Enable ipv6-geneve-bypass graph node if True else enable
+            ipv4-geneve-bypass graph node.
+        :type node: dict
+        :type interface: str
+        :type is_ipv6: bool
+        """
+        cmd = u"sw_interface_set_geneve_bypass"
+        args = dict(
+            is_ipv6=is_ipv6,
+            enable=True,
+            sw_if_index=Topology.get_interface_sw_index(node, interface)
+        )
+        err_msg = (
+            f"Failed to enable {u'ipv6' if is_ipv6 else u'ipv4'}-geneve-bypass "
+            f"on interface {interface} on host {node[u'host']}!"
+        )
+        with PapiSocketExecutor(node) as papi_exec:
+            papi_exec.add(cmd, **args).get_reply(err_msg)
+
+    @staticmethod
+    def show_geneve_tunnel_data(node):
+        """Show the GENEVE tunnels data.
+
+        :param node: DUT node.
+        :type node: dict
+        """
+        cmds = [
+            u"geneve_tunnel_dump",
+        ]
+        PapiSocketExecutor.dump_and_log(node, cmds)
diff --git a/resources/libraries/python/LispSetup.py b/resources/libraries/python/LispSetup.py
index 59cb1a808d..6579764596 100644
--- a/resources/libraries/python/LispSetup.py
+++ b/resources/libraries/python/LispSetup.py
@@ -40,8 +40,8 @@ class LispEid:
         :type eid: str
         :type prefix_len: int
         """
-        eid_addr = dict(prefix=IPUtil.create_prefix_object(
-            ip_address(eid), prefix_len)
+        eid_addr = dict(
+            prefix=IPUtil.create_prefix_object(ip_address(eid), prefix_len)
         ) if prefix_len else dict(mac=str(eid))
 
         return dict(
diff --git a/resources/libraries/python/VPPUtil.py b/resources/libraries/python/VPPUtil.py
index c735494282..a7ec44c974 100644
--- a/resources/libraries/python/VPPUtil.py
+++ b/resources/libraries/python/VPPUtil.py
@@ -361,3 +361,26 @@ class VPPUtil:
         logger.trace(f"show threads:\n{threads_data}")
 
         return threads_data
+
+    @staticmethod
+    def vpp_add_graph_node_next(node, graph_node_name, graph_next_name):
+        """Set the next node for a given node.
+
+        :param node: Node to run command on.
+        :param graph_node_name: Graph node to add the next node on.
+        :param graph_next_name: Graph node to add as the next node.
+        :type node: dict
+        :type graph_node_name: str
+        :type graph_next_name: str
+        :returns: The index of the next node.
+        :rtype: int
+        """
+        cmd = u"add_node_next"
+        args = dict(
+            node_name=graph_node_name,
+            next_name=graph_next_name
+        )
+        with PapiSocketExecutor(node) as papi_exec:
+            reply = papi_exec.add(cmd, **args).get_reply()
+
+        return reply[u"next_index"]
diff --git a/resources/libraries/python/topology.py b/resources/libraries/python/topology.py
index 338ccb6b57..2b930c08dc 100644
--- a/resources/libraries/python/topology.py
+++ b/resources/libraries/python/topology.py
@@ -174,7 +174,7 @@ class Topology:
         port_types = (
             u"subinterface", u"vlan_subif", u"memif", u"tap", u"vhost",
             u"loopback", u"gre_tunnel", u"vxlan_tunnel", u"eth_bond",
-            u"eth_avf", u"eth_rdma"
+            u"eth_avf", u"eth_rdma", u"geneve_tunnel"
         )
 
         for node_data in nodes.values():