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-rw-r--r--resources/libraries/python/InterfaceUtil.py43
-rw-r--r--resources/libraries/python/topology.py3
-rw-r--r--resources/libraries/robot/overlay/gtpu.robot62
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}