Add flow test suites

The comms DDP package needs to be installed to support all flow protocols

Signed-off-by: xinfeng zhao <xinfengx.zhao@intel.com>
Change-Id: I6ab1bd8beb9edb8c9889a0ed9a999080ca3cef3d

6 files changed, 650 insertions, 3 deletions

diff --git a/resources/api/vpp/supported_crcs.yaml b/resources/api/vpp/supported_crcs.yaml
index fefdc07ea6..840abe8084 100644
--- a/resources/api/vpp/supported_crcs.yaml
+++ b/resources/api/vpp/supported_crcs.yaml
@@ -96,6 +96,14 @@
     det44_session_dump: '0xe45a3af7'  # dev
     # TODO: Which test to run to verify det44_* messages?
     # dhcp_proxy_dump / details # honeycomb
+    flow_add: '0xf946ed84'  # dev
+    flow_add_reply: '0x8587dc85'  # dev
+    flow_enable: '0x2024be69' # dev
+    flow_enable_reply: '0xe8d4e804' # dev
+    flow_disable: '0x2024be69' #dev
+    flow_disable_reply: '0xe8d4e804' #dev
+    flow_del: '0xb6b9b02c' #dev
+    flow_del_reply: '0xe8d4e804' #dev
     geneve_add_del_tunnel2: '0x8c2a9999'  # dev
     geneve_add_del_tunnel2_reply: '0x5383d31f'  # dev
     geneve_tunnel_details: '0x6b16eb24'  # dev
diff --git a/resources/libraries/bash/function/common.sh b/resources/libraries/bash/function/common.sh
index 85f6e08b68..510ccb0072 100644
--- a/resources/libraries/bash/function/common.sh
+++ b/resources/libraries/bash/function/common.sh
@@ -936,6 +936,10 @@ function select_tags () {
         *"1n-vbox"*)
             test_tag_array+=("!avf")
             test_tag_array+=("!vhost")
+            test_tag_array+=("!flow")
+            ;;
+        *"1n_tx2"*)
+            test_tag_array+=("!flow")
             ;;
         *"2n-skx"*)
             test_tag_array+=("!ipsechw")
diff --git a/resources/libraries/python/FlowUtil.py b/resources/libraries/python/FlowUtil.py
new file mode 100644
index 0000000000..1f647a8e11
--- /dev/null
+++ b/resources/libraries/python/FlowUtil.py
@@ -0,0 +1,570 @@
+# 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.
+
+"""Flow Utilities Library."""
+
+from ipaddress import ip_address
+
+from resources.libraries.python.topology import Topology
+from resources.libraries.python.ssh import exec_cmd_no_error
+from resources.libraries.python.PapiExecutor import PapiSocketExecutor
+
+class FlowUtil:
+    """Utilities for flow configuration."""
+
+    @staticmethod
+    def vpp_create_ip4_n_tuple_flow(
+            node, src_ip, dst_ip, src_port, dst_port,
+            proto, action, value=0):
+        """Create IP4_N_TUPLE flow.
+
+        :param node: DUT node.
+        :param src_ip: Source IP4 address.
+        :param dst_ip: Destination IP4 address.
+        :param src_port: Source port.
+        :param dst_port: Destination port.
+        :param proto: TCP or UDP.
+        :param action: Mark, drop or redirect-to-queue.
+        :param value: Action value.
+
+        :type node: dict
+        :type src_ip: str
+        :type dst_ip: str
+        :type src_port: int
+        :type dst_port: int
+        :type proto: str
+        :type action: str
+        :type value: int
+        :returns: flow_index.
+        :rtype: int
+        """
+        from vpp_papi import VppEnum
+
+        flow = u"ip4_n_tuple"
+        flow_type = VppEnum.vl_api_flow_type_t.FLOW_TYPE_IP4_N_TUPLE
+
+        if proto == u"TCP":
+            flow_proto = VppEnum.vl_api_ip_proto_t.IP_API_PROTO_TCP
+        elif proto == u"UDP":
+            flow_proto = VppEnum.vl_api_ip_proto_t.IP_API_PROTO_UDP
+        else:
+            raise ValueError(f"proto error: {proto}")
+
+        pattern = {
+            u'src_addr': {u'addr': src_ip, u'mask': u"255.255.255.255"},
+            u'dst_addr': {u'addr': dst_ip, u'mask': u"255.255.255.255"},
+            u'src_port': {u'port': src_port, u'mask': 0xFFFF},
+            u'dst_port': {u'port': dst_port, u'mask': 0xFFFF},
+            u'protocol': {u'prot': flow_proto}
+        }
+
+        flow_index = FlowUtil.vpp_flow_add(
+            node, flow, flow_type, pattern, action, value)
+
+        return flow_index
+
+    @staticmethod
+    def vpp_create_ip6_n_tuple_flow(
+            node, src_ip, dst_ip, src_port, dst_port,
+            proto, action, value=0):
+        """Create IP6_N_TUPLE flow.
+
+        :param node: DUT node.
+        :param src_ip: Source IP6 address.
+        :param dst_ip: Destination IP6 address.
+        :param src_port: Source port.
+        :param dst_port: Destination port.
+        :param proto: TCP or UDP.
+        :param action: Mark, drop or redirect-to-queue.
+        :param value: Action value.
+
+        :type node: dict
+        :type src_ip: str
+        :type dst_ip: str
+        :type src_port: int
+        :type dst_port: int
+        :type proto: str
+        :type action: str
+        :type value: int
+        :returns: flow_index.
+        :rtype: int
+        """
+        from vpp_papi import VppEnum
+
+        flow = u"ip6_n_tuple"
+        flow_type = VppEnum.vl_api_flow_type_t.FLOW_TYPE_IP6_N_TUPLE
+
+        if proto == u"TCP":
+            flow_proto = VppEnum.vl_api_ip_proto_t.IP_API_PROTO_TCP
+        elif proto == u"UDP":
+            flow_proto = VppEnum.vl_api_ip_proto_t.IP_API_PROTO_UDP
+        else:
+            raise ValueError(f"proto error: {proto}")
+
+        pattern = {
+            u'src_addr': {u'addr': src_ip, \
+                u'mask': u"FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF"},
+            u'dst_addr': {u'addr': dst_ip, \
+                u'mask': u"FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF"},
+            u'src_port': {u'port': src_port, u'mask': 0xFFFF},
+            u'dst_port': {u'port': dst_port, u'mask': 0xFFFF},
+            u'protocol': {u'prot': flow_proto}
+        }
+
+        flow_index = FlowUtil.vpp_flow_add(
+            node, flow, flow_type, pattern, action, value)
+
+        return flow_index
+
+    @staticmethod
+    def vpp_create_ip4_flow(
+            node, src_ip, dst_ip, proto, action, value=0):
+        """Create IP4 flow.
+
+        :param node: DUT node.
+        :param src_ip: Source IP4 address.
+        :param dst_ip: Destination IP4 address.
+        :param proto: TCP or UDP.
+        :param action: Mark, drop or redirect-to-queue.
+        :param value: Action value.
+
+        :type node: dict
+        :type src_ip: str
+        :type dst_ip: str
+        :type proto: str
+        :type action: str
+        :type value: int
+        :returns: flow_index.
+        :rtype: int
+        """
+        from vpp_papi import VppEnum
+
+        flow = u"ip4"
+        flow_type = VppEnum.vl_api_flow_type_t.FLOW_TYPE_IP4
+
+        if proto == u"TCP":
+            flow_proto = VppEnum.vl_api_ip_proto_t.IP_API_PROTO_TCP
+        elif proto == u"UDP":
+            flow_proto = VppEnum.vl_api_ip_proto_t.IP_API_PROTO_UDP
+        else:
+            raise ValueError(f"proto error: {proto}")
+
+        pattern = {
+            u'src_addr': {u'addr': src_ip, u'mask': u"255.255.255.255"},
+            u'dst_addr': {u'addr': dst_ip, u'mask': u"255.255.255.255"},
+            u'protocol': {u'prot': flow_proto}
+        }
+
+        flow_index = FlowUtil.vpp_flow_add(
+            node, flow, flow_type, pattern, action, value)
+
+        return flow_index
+
+    @staticmethod
+    def vpp_create_ip6_flow(
+            node, src_ip, dst_ip, proto, action, value=0):
+        """Create IP6 flow.
+
+        :param node: DUT node.
+        :param src_ip: Source IP6 address.
+        :param dst_ip: Destination IP6 address.
+        :param proto: TCP or UDP.
+        :param action: Mark, drop or redirect-to-queue.
+        :param value: Action value.
+
+        :type node: dict
+        :type src_ip: str
+        :type dst_ip: str
+        :type proto: str
+        :type action: str
+        :type value: int
+        :returns: flow_index.
+        :rtype: int
+        """
+        from vpp_papi import VppEnum
+
+        flow = u"ip6"
+        flow_type = VppEnum.vl_api_flow_type_t.FLOW_TYPE_IP6
+
+        if proto == u"TCP":
+            flow_proto = VppEnum.vl_api_ip_proto_t.IP_API_PROTO_TCP
+        elif proto == u"UDP":
+            flow_proto = VppEnum.vl_api_ip_proto_t.IP_API_PROTO_UDP
+        else:
+            raise ValueError(f"proto error: {proto}")
+
+        pattern = {
+            u'src_addr': {u'addr': src_ip, \
+                u'mask': u"FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF"},
+            u'dst_addr': {'addr': dst_ip, \
+                u'mask': u"FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF"},
+            u'protocol': {u'prot': flow_proto}
+        }
+
+        flow_index = FlowUtil.vpp_flow_add(
+            node, flow, flow_type, pattern, action, value)
+
+        return flow_index
+
+    @staticmethod
+    def vpp_create_ip4_gtpu_flow(
+            node, src_ip, dst_ip, teid, action, value=0):
+        """Create IP4_GTPU flow.
+
+        :param node: DUT node.
+        :param src_ip: Source IP4 address.
+        :param dst_ip: Destination IP4 address.
+        :param teid: Tunnel endpoint identifier.
+        :param action: Mark, drop or redirect-to-queue.
+        :param value: Action value.
+
+        :type node: dict
+        :type src_ip: str
+        :type dst_ip: str
+        :type teid: int
+        :type action: str
+        :type value: int
+        :returns: flow_index.
+        :rtype: int
+        """
+        from vpp_papi import VppEnum
+
+        flow = u"ip4_gtpu"
+        flow_type = VppEnum.vl_api_flow_type_t.FLOW_TYPE_IP4_GTPU
+        flow_proto = VppEnum.vl_api_ip_proto_t.IP_API_PROTO_UDP
+
+        pattern = {
+            u'src_addr': {u'addr': src_ip, u'mask': u"255.255.255.255"},
+            u'dst_addr': {u'addr': dst_ip, u'mask': u"255.255.255.255"},
+            u'protocol': {u'prot': flow_proto},
+            u'teid': teid
+        }
+
+        flow_index = FlowUtil.vpp_flow_add(
+            node, flow, flow_type, pattern, action, value)
+
+        return flow_index
+
+    @staticmethod
+    def vpp_create_ip4_ipsec_flow(node, proto, spi, action, value=0):
+        """Create IP4_IPSEC flow.
+
+        :param node: DUT node.
+        :param proto: TCP or UDP.
+        :param spi: Security Parameters Index.
+        :param action: Mark, drop or redirect-to-queue.
+        :param value: Action value.
+
+        :type node: dict
+        :type proto: str
+        :type spi: int
+        :type action: str
+        :type value: int
+        :returns: flow_index.
+        :rtype: int
+        """
+        from vpp_papi import VppEnum
+
+        if proto == u"ESP":
+            flow = u"ip4_ipsec_esp"
+            flow_proto = VppEnum.vl_api_ip_proto_t.IP_API_PROTO_ESP
+            flow_type = VppEnum.vl_api_flow_type_t.FLOW_TYPE_IP4_IPSEC_ESP
+        elif proto == u"AH":
+            flow = u"ip4_ipsec_ah"
+            flow_proto = VppEnum.vl_api_ip_proto_t.IP_API_PROTO_AH
+            flow_type = VppEnum.vl_api_flow_type_t.FLOW_TYPE_IP4_IPSEC_AH
+        else:
+            raise ValueError(f"proto error: {proto}")
+
+        pattern = {
+            u'protocol': {u'prot': flow_proto},
+            u'spi': spi
+        }
+
+        flow_index = FlowUtil.vpp_flow_add(
+            node, flow, flow_type, pattern, action, value)
+
+        return flow_index
+
+    @staticmethod
+    def vpp_create_ip4_l2tp_flow(node, session_id, action, value=0):
+        """Create IP4_L2TPV3OIP flow.
+
+        :param node: DUT node.
+        :param session_id: PPPoE session ID
+        :param action: Mark, drop or redirect-to-queue.
+        :param value: Action value.
+
+        :type node: dict
+        :type session_id: int
+        :type action: str
+        :type value: int
+        :returns: flow_index.
+        :rtype: int
+        """
+        from vpp_papi import VppEnum
+
+        flow = u"ip4_l2tpv3oip"
+        flow_proto = 115    # IP_API_PROTO_L2TP
+        flow_type = VppEnum.vl_api_flow_type_t.FLOW_TYPE_IP4_L2TPV3OIP
+
+        pattern = {
+            u'protocol': {u'prot': flow_proto},
+            u'session_id': session_id
+        }
+
+        flow_index = FlowUtil.vpp_flow_add(
+            node, flow, flow_type, pattern, action, value)
+
+        return flow_index
+
+    @staticmethod
+    def vpp_create_ip4_vxlan_flow(node, src_ip, dst_ip, vni, action, value=0):
+        """Create IP4_VXLAN flow.
+
+        :param node: DUT node.
+        :param src_ip: Source IP4 address.
+        :param dst_ip: Destination IP4 address.
+        :param vni: Virtual network instance.
+        :param action: Mark, drop or redirect-to-queue.
+        :param value: Action value.
+
+        :type node: dict
+        :type src_ip: str
+        :type dst_ip: str
+        :type vni: int
+        :type action: str
+        :type value: int
+        :returns: flow_index.
+        """
+        from vpp_papi import VppEnum
+
+        flow = u"ip4_vxlan"
+        flow_type = VppEnum.vl_api_flow_type_t.FLOW_TYPE_IP4_VXLAN
+        flow_proto = VppEnum.vl_api_ip_proto_t.IP_API_PROTO_UDP
+
+        pattern = {
+            u'src_addr': {u'addr': src_ip, u'mask': u"255.255.255.255"},
+            u'dst_addr': {u'addr': dst_ip, u'mask': u"255.255.255.255"},
+            u'dst_port': {u'port': 4789, 'mask': 0xFFFF},
+            u'protocol': {u'prot': flow_proto},
+            u'vni': vni
+        }
+
+        flow_index = FlowUtil.vpp_flow_add(
+            node, flow, flow_type, pattern, action, value)
+
+        return flow_index
+
+    @staticmethod
+    def vpp_flow_add(node, flow, flow_type, pattern, action, value=0):
+        """Flow add.
+
+        :param node: DUT node.
+        :param flow: Name of flow.
+        :param flow_type: Type of flow.
+        :param pattern: Pattern of flow.
+        :param action: Mark, drop or redirect-to-queue.
+        :param value: Action value.
+
+        :type node: dict
+        :type node: str
+        :type flow_type: str
+        :type pattern: dict
+        :type action: str
+        :type value: int
+        :returns: flow_index.
+        :rtype: int
+        :raises ValueError: If action type is not supported.
+        """
+        from vpp_papi import VppEnum
+
+        cmd = u"flow_add"
+
+        if action == u"redirect-to-queue":
+            flow_rule = {
+                u'type': flow_type,
+                u'actions': VppEnum.vl_api_flow_action_t.\
+                            FLOW_ACTION_REDIRECT_TO_QUEUE,
+                u'redirect_queue': value,
+                u'flow': {flow : pattern}
+            }
+        elif action == u"mark":
+            flow_rule = {
+                u'type': flow_type,
+                u'actions': VppEnum.vl_api_flow_action_t.FLOW_ACTION_MARK,
+                u'mark_flow_id': value,
+                u'flow': {flow : pattern}
+            }
+        elif action == u"drop":
+            flow_rule = {
+                u'type': flow_type,
+                u'actions': VppEnum.vl_api_flow_action_t.FLOW_ACTION_DROP,
+                u'flow': {flow : pattern}
+            }
+        else:
+            raise ValueError(f"Unsupported action type: {action}")
+
+        err_msg = f"Failed to create {flow} flow on host {node[u'host']}."
+        args = dict(flow=flow_rule)
+        flow_index = -1
+        with PapiSocketExecutor(node) as papi_exec:
+            reply = papi_exec.add(cmd, **args).get_reply(err_msg)
+            flow_index = reply[u"flow_index"]
+
+        return flow_index
+
+    @staticmethod
+    def vpp_flow_enable(node, interface, flow_index=0):
+        """Flow enable.
+
+        :param node: DUT node.
+        :param interface: Interface sw_if_index.
+        :param flow_index: Flow index.
+
+        :type node: dict
+        :type interface: int
+        :type flow_index: int
+        :returns: Nothing.
+        """
+        cmd = u"flow_enable"
+        sw_if_index = Topology.get_interface_sw_index(node, interface)
+        args = dict(
+            flow_index=int(flow_index),
+            hw_if_index=int(sw_if_index)
+        )
+
+        err_msg = u"Failed to enable flow on host {node[u'host']}"
+        with PapiSocketExecutor(node) as papi_exec:
+            papi_exec.add(cmd, **args).get_reply(err_msg)
+
+    @staticmethod
+    def vpp_flow_disable(node, interface, flow_index=0):
+        """Flow disable.
+
+        :param node: DUT node.
+        :param interface: Interface sw_if_index.
+        :param flow_index: Flow index.
+
+        :type node: dict
+        :type interface: int
+        :type flow_index: int
+        :returns: Nothing.
+        """
+        cmd = u"flow_disable"
+        sw_if_index = Topology.get_interface_sw_index(node, interface)
+        args = dict(
+            flow_index=int(flow_index),
+            hw_if_index=int(sw_if_index)
+        )
+
+        err_msg = u"Failed to disable flow on host {node[u'host']}"
+        with PapiSocketExecutor(node) as papi_exec:
+            papi_exec.add(cmd, **args).get_reply(err_msg)
+
+    @staticmethod
+    def vpp_flow_del(node, flow_index=0):
+        """Flow delete.
+
+        :param node: DUT node.
+        :param flow_index: Flow index.
+
+        :type node: dict
+        :type flow_index: int
+        :returns: Nothing.
+        """
+        cmd = u"flow_del"
+        args = dict(
+            flow_index=int(flow_index)
+        )
+
+        err_msg = u"Failed to delete flow on host {node[u'host']}"
+        with PapiSocketExecutor(node) as papi_exec:
+            papi_exec.add(cmd, **args).get_reply(err_msg)
+
+    @staticmethod
+    def vpp_show_flow_entry(node):
+        """Show flow entry.
+
+        :param node: DUT node.
+
+        :type node: dict
+        :returns: flow entry.
+        :rtype: str
+        """
+        cmd = u"vppctl show flow entry"
+
+        err_msg = u"Failed to show flow on host {node[u'host']}"
+        stdout, _ = exec_cmd_no_error(
+            node, cmd, sudo=False, message=err_msg, retries=120
+            )
+
+        return stdout.strip()
+
+    @staticmethod
+    def vpp_verify_flow_action(
+            node, action, value,
+            src_mac=u"11:22:33:44:55:66", dst_mac=u"11:22:33:44:55:66",
+            src_ip=None, dst_ip=None):
+        """Verify the correctness of the flow action.
+
+        :param node: DUT node.
+        :param action: Action.
+        :param value: Action value.
+        :param src_mac: Source mac address.
+        :param dst_mac: Destination mac address.
+        :param src_ip: Source IP address.
+        :param dst_ip: Destination IP address.
+
+        :type node: dict
+        :type action: str
+        :type value: int
+        :type src_mac: str
+        :type dst_mac: str
+        :type src_ip: str
+        :type dst_ip: str
+        :returns: Nothing.
+        :raises RuntimeError: If the verification of flow action fails.
+        :raises ValueError: If action type is not supported.
+        """
+        err_msg = f"Failed to show trace on host {node[u'host']}"
+        cmd = u"vppctl show trace"
+        stdout, _ = exec_cmd_no_error(
+            node, cmd, sudo=False, message=err_msg, retries=120
+        )
+
+        err_info = f"Verify flow {action} failed"
+
+        if src_ip is None:
+            expected_str = f"{src_mac} -> {dst_mac}"
+        else:
+            src_ip = ip_address(src_ip)
+            dst_ip = ip_address(dst_ip)
+            expected_str = f"{src_ip} -> {dst_ip}"
+
+        if action == u"drop":
+            if expected_str in stdout:
+                raise RuntimeError(err_info)
+        elif action == u"redirect-to-queue":
+            if f"queue {value}" not in stdout \
+                    and f"qid {value}" not in stdout:
+                raise RuntimeError(err_info)
+            if expected_str not in stdout:
+                raise RuntimeError(err_info)
+        elif action == u"mark":
+            if u"PKT_RX_FDIR" not in stdout and  u"flow-id 1" not in stdout:
+                raise RuntimeError(err_info)
+            if expected_str not in stdout:
+                raise RuntimeError(err_info)
+        else:
+            raise ValueError(f"Unsupported action type: {action}")
diff --git a/resources/libraries/python/Trace.py b/resources/libraries/python/Trace.py
index f54ae1060e..f82ab95f2e 100644
--- a/resources/libraries/python/Trace.py
+++ b/resources/libraries/python/Trace.py
@@ -37,12 +37,21 @@ class Trace:
 
     @staticmethod
     def clear_packet_trace_on_all_duts(nodes):
-        """Clear VPP packet trace.
+        """Clear VPP packet trace on all duts.
 
         :param nodes: Nodes where the packet trace will be cleared.
         :type nodes: dict
         """
         for node in nodes.values():
             if node[u"type"] == NodeType.DUT:
-                PapiSocketExecutor.run_cli_cmd_on_all_sockets(
-                    node, u"clear trace")
+                Trace.clear_packet_trace_on_dut(node)
+
+    @staticmethod
+    def clear_packet_trace_on_dut(node):
+        """Clear VPP packet trace on dut.
+
+        :param node: Node where the packet trace will be cleared.
+        :type node: dict
+        """
+        PapiSocketExecutor.run_cli_cmd_on_all_sockets(
+            node, u"clear trace")
diff --git a/resources/libraries/robot/shared/default.robot b/resources/libraries/robot/shared/default.robot
index 93aa3976a2..58bbb97acb 100644
--- a/resources/libraries/robot/shared/default.robot
+++ b/resources/libraries/robot/shared/default.robot
@@ -25,6 +25,7 @@
 | Library | resources.libraries.python.CpuUtils
 | Library | resources.libraries.python.CoreDumpUtil
 | Library | resources.libraries.python.DUTSetup
+| Library | resources.libraries.python.FlowUtil
 | Library | resources.libraries.python.L2Util
 | Library | resources.libraries.python.InterfaceUtil
 | Library | resources.libraries.python.IPUtil
diff --git a/resources/libraries/robot/shared/traffic.robot b/resources/libraries/robot/shared/traffic.robot
index bd8edcf751..af348bb12e 100644
--- a/resources/libraries/robot/shared/traffic.robot
+++ b/resources/libraries/robot/shared/traffic.robot
@@ -652,3 +652,58 @@
 | | ... | --tun_vni ${tun_vni} | --tun_src_ip ${tun_src_ip}
 | | ... | --tun_dst_ip ${tun_dst_ip}
 | | Run Traffic Script On Node | geneve_tunnel.py | ${node} | ${args}
+
+| Send flow packet and verify action
+| | [Documentation] | Send packet and verify the correctness of flow action.
+| |
+| | ... | *Arguments:*
+| |
+| | ... | _NOTE:_ Arguments are based on topology:
+| | ... | TG(if1)->(if1)DUT
+| |
+| | ... | - tg_node - Node to execute scripts on (TG). Type: dictionary
+| | ... | - tx_interface - TG Interface 1. Type: string
+| | ... | - tx_dst_mac - MAC address of DUT-if1. Type: string
+| | ... | - flow_type - Flow packet type. Type: string
+| | ... | - proto - Flow packet protocol. Type: string
+| | ... | - src_ip - Source ip address. Type: string
+| | ... | - dst_ip - Destination IP address. Type: string
+| | ... | - src_port - Source port. Type: int
+| | ... | - dst_port - Destination port. Type: int
+| | ... | - value - Additional packet value. Type: integer
+| | ... | - traffic_script - Traffic script that send packet. Type: string
+| | ... | - action - drop, mark or redirect-to-queue. Type: string
+| | ... | - action_value - action value. Type: integer
+| |
+| | ... | *Return:*
+| | ... | - No value returned
+| |
+| | ... | *Example:*
+| | ... | \| Send flow packet and verify actions \| ${nodes['TG']} \| eth2 \
+| | ... | \| 08:00:27:a2:52:5b \| IP4 \| UDP \
+| | ... | \| src_ip=1.1.1.1 \| dst_ip=2.2.2.2 \
+| | ... | \| src_port=${100} \| dst_port=${200} \
+| | ... | \| traffic_script=send_flow_packet \
+| | ... | \|action=mark \| action_value=${3} \|
+| |
+| | [Arguments] | ${tg_node} | ${tx_interface} | ${tx_dst_mac}
+| | ... | ${flow_type} | ${proto}
+| | ... | ${src_ip}=${None} | ${dst_ip}=${None}
+| | ... | ${src_port}=${None} | ${dst_port}=${None}
+| | ... | ${value}=${None}
+| | ... | ${traffic_script}=send_flow_packet
+| | ... | ${action}=redirect-to-queue
+| | ... | ${action_value}=${3}
+| |
+| | ${tx_src_mac}= | Get Interface Mac | ${tg_node} | ${tx_interface}
+| | ${tx_if_name}= | Get interface name | ${tg_node} | ${tx_interface}
+| | ${args}= | Catenate
+| | ... | --tg_if1_mac ${tx_src_mac} | --dut_if1_mac ${tx_dst_mac}
+| | ... | --tx_if ${tx_if_name} | --flow_type ${flow_type} | --proto ${proto}
+| | ... | --src_ip ${src_ip} | --dst_ip ${dst_ip}
+| | ... | --src_port ${src_port} | --dst_port ${dst_port}
+| | ... | --value ${value}
+| | Run Traffic Script On Node | ${traffic_script}.py | ${tg_node} | ${args}
+| | Vpp Verify Flow action | ${dut1} | ${action} | ${action_value}
+| | ... | ${tx_src_mac} | ${tx_dst_mac}
+| | ... | ${src_ip} | ${dst_ip}