Add gtpu sw performance test cases

Signed-off-by: xinfeng zhao <xinfengx.zhao@intel.com>
Reviewed-by: Yulong Pei <yulong.pei@intel.com>
Change-Id: Ibe4420529192559a3cdbb84e0a67859750a9e0d5

3 files changed, 107 insertions, 1 deletions

diff --git a/resources/libraries/python/InterfaceUtil.py b/resources/libraries/python/InterfaceUtil.py
index 481c122e3f..94c78a1bef 100644
--- a/resources/libraries/python/InterfaceUtil.py
+++ b/resources/libraries/python/InterfaceUtil.py
@@ -1062,6 +1062,49 @@ class InterfaceUtil:
         return ifc_name, sw_if_index
 
     @staticmethod
+    def create_gtpu_tunnel_interface(node, teid, source_ip, destination_ip):
+        """Create GTPU interface and return sw if index of created interface.
+
+        :param node: Node where to create GTPU interface.
+        :param teid: GTPU Tunnel Endpoint Identifier.
+        :param source_ip: Source IP of a GTPU Tunnel End Point.
+        :param destination_ip: Destination IP of a GTPU Tunnel End Point.
+        :type node: dict
+        :type teid: int
+        :type source_ip: str
+        :type destination_ip: str
+        :returns: SW IF INDEX of created interface.
+        :rtype: int
+        :raises RuntimeError: if it is unable to create GTPU interface on the
+            node.
+        """
+        cmd = u"gtpu_add_del_tunnel"
+        args = dict(
+            is_add=True,
+            src_address=IPAddress.create_ip_address_object(
+                ip_address(source_ip)
+            ),
+            dst_address=IPAddress.create_ip_address_object(
+                ip_address(destination_ip)
+            ),
+            mcast_sw_if_index=Constants.BITWISE_NON_ZERO,
+            encap_vrf_id=0,
+            decap_next_index=2,
+            teid=teid
+        )
+        err_msg = f"Failed to create GTPU tunnel interface " \
+            f"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"gtpu_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)
+
+        return sw_if_index
+
+    @staticmethod
     def vpp_create_loopback(node, mac=None):
         """Create loopback interface on VPP node.
 
diff --git a/resources/libraries/python/topology.py b/resources/libraries/python/topology.py
index e829700b22..e05f4ef732 100644
--- a/resources/libraries/python/topology.py
+++ b/resources/libraries/python/topology.py
@@ -174,7 +174,8 @@ 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"geneve_tunnel", u"eth_af_xdp"
+            u"eth_avf", u"eth_rdma", u"geneve_tunnel", u"eth_af_xdp",
+            u"gtpu_tunnel"
         )
 
         for node_data in nodes.values():
diff --git a/resources/libraries/robot/overlay/gtpu.robot b/resources/libraries/robot/overlay/gtpu.robot
new file mode 100644
index 0000000000..3135be73fd
--- /dev/null
+++ b/resources/libraries/robot/overlay/gtpu.robot
@@ -0,0 +1,62 @@
+# Copyright (c) 2021 Intel 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.
+
+*** Settings ***
+| Library | resources.libraries.python.InterfaceUtil
+| Library | resources.libraries.python.IPUtil
+|
+| Documentation | GTPU keywords.
+
+*** Keywords ***
+| Initialize IP4 forwarding with GTPU tunnel in 3-node circular topology
+| | [Documentation]
+| | ... | Set UP state on VPP interfaces in path on nodes in 3-node circular
+| | ... | topology. Create GTPU tunnel on both DUT nodes, setup IPv4 adresses
+| | ... | with /30 prefix on DUT1-DUT2 link, and set routing on both DUT nodes
+| | ... | with prefix /24 and next hop of neighbour DUT interface.
+| |
+| | VPP Interface Set IP Address | ${dut1} | ${DUT1_${int}1}[0]
+| | ... | 10.10.10.1 | 24
+| | VPP Interface Set IP Address | ${dut1} | ${DUT1_${int}2}[0]
+| | ... | 1.1.1.2 | 30
+| | VPP Interface Set IP Address | ${dut2} | ${DUT2_${int}1}[0]
+| | ... | 1.1.1.1 | 30
+| | VPP Interface Set IP Address | ${dut2} | ${DUT2_${int}2}[0]
+| | ... | 20.20.20.1 | 24
+| |
+| | VPP Add IP Neighbor
+| | ... | ${dut1} | ${DUT1_${int}1}[0] | 10.10.10.2 | ${TG_pf1_mac}[0]
+| | VPP Add IP Neighbor
+| | ... | ${dut1} | ${DUT1_${int}2}[0] | 1.1.1.1 | ${DUT2_${int}1_mac}[0]
+| | VPP Add IP Neighbor
+| | ... | ${dut2} | ${DUT2_${int}1}[0] | 1.1.1.2 | ${DUT1_${int}2_mac}[0]
+| | VPP Add IP Neighbor
+| | ... | ${dut2} | ${DUT2_${int}2}[0] | 20.20.20.2 | ${TG_pf2_mac}[0]
+| |
+| | ${dut1_tunnel_if_index}= | Create GTPU Tunnel Interface | ${dut1}
+| | ... | source_ip=1.1.1.2 | destination_ip=1.1.1.1 | teid=${10}
+| | ${dut2_tunnel_if_index}= | Create GTPU Tunnel Interface | ${dut2}
+| | ... | source_ip=1.1.1.1 | destination_ip=1.1.1.2 | teid=${10}
+| |
+| | Set Interface State | ${dut1} | ${dut1_tunnel_if_index} | up
+| | Set Interface State | ${dut2} | ${dut2_tunnel_if_index} | up
+| |
+| | VPP Interface Set IP Address | ${dut1} | ${dut1_tunnel_if_index}
+| | ... | 10.10.1.2 | 24
+| | VPP Interface Set IP Address | ${dut2} | ${dut2_tunnel_if_index}
+| | ... | 10.10.1.1 | 24
+| |
+| | Vpp Route Add | ${dut1} | 20.20.20.0 | 24 | gateway=1.1.1.2
+| | ... | interface=${dut1_tunnel_if_index}
+| | Vpp Route Add | ${dut2} | 10.10.10.0 | 24 | gateway=1.1.1.1
+| | ... | interface=${dut2_tunnel_if_index}