perf: add TCP Iperf3+LDPRELOAD test suite

Change-Id: Icff49fb31cce342a2a4ae799e844ec91f9e5e366
Signed-off-by: Dave Wallace <dwallacelf@gmail.com>

9 files changed, 284 insertions, 55 deletions

diff --git a/resources/libraries/bash/entry/check/tc_naming.sh b/resources/libraries/bash/entry/check/tc_naming.sh
index b193cfad5e..2a084d9669 100644
--- a/resources/libraries/bash/entry/check/tc_naming.sh
+++ b/resources/libraries/bash/entry/check/tc_naming.sh
@@ -66,7 +66,7 @@ r_testc_rules=(
     #'(ipsec[[:digit:]]+tnlhw|ipsec[[:digit:]]+tnlsw|'
     #'srhip6|tcp|udp|lispip6|lispip4|vxlan){0,1}'
     #'(http){0,1}-'
-    '(.*)-(dev|ndrpdr|cps|rps|reconf)$'
+    '(.*)-(dev|ndrpdr|bps|cps|rps|reconf)$'
     )
 s_suite_rules=(
     'number of SUT nodes'
@@ -85,7 +85,7 @@ r_suite_rules=(
     #'(ipsec[[:digit:]]+tnlhw|ipsec[[:digit:]]+tnlsw|'
     #'srhip6|tcp|udp|lispip6|lispip4|vxlan){0,1}'
     #'(http){0,1}-'
-    '(.*)-(dev|ndrpdr|cps|rps|reconf)$'
+    '(.*)-(dev|ndrpdr|bps|cps|rps|reconf)$'
     )
 
 rm -f "tc_naming.log" || die
@@ -139,4 +139,4 @@ if [ $((total_failed_tc + total_failed_su)) != "0" ]; then
 fi
 
 warn
-warn "Testcase naming checker: PASS"
\ No newline at end of file
+warn "Testcase naming checker: PASS"
diff --git a/resources/libraries/python/Constants.py b/resources/libraries/python/Constants.py
index 1b4d44c636..eded294f60 100644
--- a/resources/libraries/python/Constants.py
+++ b/resources/libraries/python/Constants.py
@@ -145,9 +145,15 @@ class Constants:
     # Container templates location
     RESOURCES_TPL_CONTAINER = u"resources/templates/container"
 
+    # VPP Communications Library templates location
+    RESOURCES_TPL_VCL = u"resources/templates/vcl"
+
     # HTTP Server www root directory
     RESOURCES_TP_WRK_WWW = u"resources/traffic_profiles/wrk/www"
 
+    # VPP Communications Library LD_PRELOAD library
+    VCL_LDPRELOAD_LIBRARY=u"/usr/lib/x86_64-linux-gnu/libvcl_ldpreload.so"
+
     # OpenVPP VAT binary name
     VAT_BIN_NAME = u"vpp_api_test"
 
diff --git a/resources/libraries/python/HoststackUtil.py b/resources/libraries/python/HoststackUtil.py
index 9e6e20014c..ad95d5114d 100644
--- a/resources/libraries/python/HoststackUtil.py
+++ b/resources/libraries/python/HoststackUtil.py
@@ -15,6 +15,7 @@
 from time import sleep
 from robot.api import logger
 
+from resources.libraries.python.Constants import Constants
 from resources.libraries.python.ssh import exec_cmd, exec_cmd_no_error
 from resources.libraries.python.PapiExecutor import PapiSocketExecutor
 from resources.libraries.python.DUTSetup import DUTSetup
@@ -56,6 +57,49 @@ class HoststackUtil():
         return vpp_echo_cmd
 
     @staticmethod
+    def get_iperf3_command(iperf3_attributes):
+        """Construct the iperf3 command using the specified attributes.
+
+        :param iperf3_attributes: iperf3 test program attributes.
+        :type iperf3_attributes: dict
+        :returns: Command line components of the iperf3 command
+            'env_vars' - environment variables
+            'name' - program name
+            'args' - command arguments.
+        :rtype: dict
+        """
+        # TODO: Use a python class instead of dictionary for the return type
+        iperf3_cmd = {}
+        iperf3_cmd[u"env_vars"] = f"VCL_CONFIG={Constants.REMOTE_FW_DIR}/" \
+            f"{Constants.RESOURCES_TPL_VCL}/" \
+            f"{iperf3_attributes[u'vcl_config']}"
+        if iperf3_attributes[u"ld_preload"]:
+            iperf3_cmd[u"env_vars"] += \
+                f" LD_PRELOAD={Constants.VCL_LDPRELOAD_LIBRARY}"
+        if iperf3_attributes[u'transparent_tls']:
+            iperf3_cmd[u"env_vars"] += u" LDP_ENV_TLS_TRANS=1"
+
+        json_results = u" --json" if iperf3_attributes[u'json'] else u""
+        ip_address = f" {iperf3_attributes[u'ip_address']}" if u"ip_address" \
+                     in iperf3_attributes else u""
+        iperf3_cmd[u"name"] = u"iperf3"
+        iperf3_cmd[u"args"] = f"--{iperf3_attributes[u'role']}{ip_address} " \
+                              f"--interval 0{json_results} " \
+                              f"--version{iperf3_attributes[u'ip_version']}"
+
+        if iperf3_attributes[u"role"] == u"server":
+            iperf3_cmd[u"args"] += u" --one-off"
+        else:
+            iperf3_cmd[u"args"] += u" --get-server-output"
+            if u"parallel" in iperf3_attributes:
+                iperf3_cmd[u"args"] += \
+                    f" --parallel {iperf3_attributes[u'parallel']}"
+            if u"bytes" in iperf3_attributes:
+                iperf3_cmd[u"args"] += \
+                    f" --bytes {iperf3_attributes[u'bytes']}"
+        return iperf3_cmd
+
+    @staticmethod
     def set_hoststack_quic_fifo_size(node, fifo_size):
         """Set the QUIC protocol fifo size.
 
diff --git a/resources/libraries/python/autogen/Regenerator.py b/resources/libraries/python/autogen/Regenerator.py
index d47680ccd0..cb0d3329d5 100644
--- a/resources/libraries/python/autogen/Regenerator.py
+++ b/resources/libraries/python/autogen/Regenerator.py
@@ -113,7 +113,7 @@ def check_suite_tag(suite_tag, prolog):
     """
     found = prolog.count(u"| " + suite_tag)
     if found != 1:
-        raise ValueError(f"Suite tag found {found} times for {suite_id}")
+        raise ValueError(f"Suite tag found {found} times for {suite_tag}")
 
 
 def add_default_testcases(testcase, iface, suite_id, file_out, tc_kwargs_list):
@@ -440,22 +440,56 @@ class Regenerator:
 
         min_frame_size = PROTOCOL_TO_MIN_FRAME_SIZE[protocol]
         default_kwargs_list = [
-            {u"frame_size": min_frame_size, u"phy_cores": 1},
-            {u"frame_size": min_frame_size, u"phy_cores": 2},
-            {u"frame_size": min_frame_size, u"phy_cores": 4},
-            {u"frame_size": 1518, u"phy_cores": 1},
-            {u"frame_size": 1518, u"phy_cores": 2},
-            {u"frame_size": 1518, u"phy_cores": 4},
-            {u"frame_size": 9000, u"phy_cores": 1},
-            {u"frame_size": 9000, u"phy_cores": 2},
-            {u"frame_size": 9000, u"phy_cores": 4},
-            {u"frame_size": u"IMIX_v4_1", u"phy_cores": 1},
-            {u"frame_size": u"IMIX_v4_1", u"phy_cores": 2},
-            {u"frame_size": u"IMIX_v4_1", u"phy_cores": 4}
+            {u"frame_size": min_frame_size, u"phy_cores": 1, u"clients": 1,
+             u"streams": 1, u"bytes_str": u"1G"},
+            {u"frame_size": min_frame_size, u"phy_cores": 2, u"clients": 1,
+             u"streams": 1, u"bytes_str": u"1G"},
+            {u"frame_size": min_frame_size, u"phy_cores": 4, u"clients": 1,
+             u"streams": 1, u"bytes_str": u"1G"},
+            {u"frame_size": 1518, u"phy_cores": 1, u"clients": 1,
+             u"streams": 1, u"bytes_str": u"1G"},
+            {u"frame_size": 1518, u"phy_cores": 2, u"clients": 1,
+             u"streams": 1, u"bytes_str": u"1G"},
+            {u"frame_size": 1518, u"phy_cores": 4, u"clients": 1,
+             u"streams": 1, u"bytes_str": u"1G"},
+            {u"frame_size": 9000, u"phy_cores": 1, u"clients": 1,
+             u"streams": 1, u"bytes_str": u"1G"},
+            {u"frame_size": 9000, u"phy_cores": 2, u"clients": 1,
+             u"streams": 1, u"bytes_str": u"1G"},
+            {u"frame_size": 9000, u"phy_cores": 4, u"clients": 1,
+             u"streams": 1, u"bytes_str": u"1G"},
+            {u"frame_size": u"IMIX_v4_1", u"phy_cores": 1, u"clients": 1,
+             u"streams": 1, u"bytes_str": u"1G"},
+            {u"frame_size": u"IMIX_v4_1", u"phy_cores": 2, u"clients": 1,
+             u"streams": 1, u"bytes_str": u"1G"},
+            {u"frame_size": u"IMIX_v4_1", u"phy_cores": 4, u"clients": 1,
+             u"streams": 1, u"bytes_str": u"1G"}
         ]
-        tcp_kwargs_list = [
-            {u"phy_cores": i, u"frame_size": 0} for i in (1, 2, 4)
+        hoststack_wrk_kwargs_list = [
+            {u"phy_cores": i, u"frame_size": 0, u"clients": 1,
+             u"streams": 1, u"bytes_str": u"1G"} for i in (1, 2, 4)
         ]
+        hoststack_iperf3_kwargs_list = [
+            {u"phy_cores": 1, u"frame_size": 0, u"clients": 1,
+             u"streams": 1, u"bytes_str": u"1G"},
+            {u"phy_cores": 1, u"frame_size": 0, u"clients": 1,
+             u"streams": 10, u"bytes_str": u"10G"},
+            {u"phy_cores": 2, u"frame_size": 0, u"clients": 1,
+             u"streams": 10, u"bytes_str": u"10G"},
+            {u"phy_cores": 4, u"frame_size": 0, u"clients": 1,
+             u"streams": 10, u"bytes_str": u"10G"},
+        ]
+        hoststack_quic_kwargs_list = [
+            {u"phy_cores": 1, u"frame_size": 0, u"clients": 1,
+             u"streams": 1, u"bytes_str": u"100M"},
+            {u"phy_cores": 1, u"frame_size": 0, u"clients": 1,
+             u"streams": 10, u"bytes_str": u"100M"},
+            {u"phy_cores": 1, u"frame_size": 0, u"clients": 10,
+             u"streams": 1, u"bytes_str": u"100M"},
+            {u"phy_cores": 1, u"frame_size": 0, u"clients": 10,
+             u"streams": 10, u"bytes_str": u"100M"},
+        ]
+
         for in_filename in glob(pattern):
             if not self.quiet:
                 print(
@@ -480,7 +514,12 @@ class Regenerator:
             elif in_filename.endswith(u"-reconf.robot"):
                 write_reconf_files(in_filename, in_prolog, default_kwargs_list)
             elif in_filename[-10:] in (u"-cps.robot", u"-rps.robot"):
-                write_tcp_files(in_filename, in_prolog, tcp_kwargs_list)
+                write_tcp_files(in_filename, in_prolog,
+                                hoststack_wrk_kwargs_list)
+            elif in_filename[-10:] in (u"-bps.robot"):
+                write_tcp_files(in_filename, in_prolog,
+                                hoststack_iperf3_kwargs_list if u"iperf3"
+                                in in_filename else hoststack_quic_kwargs_list)
             else:
                 raise RuntimeError(
                     f"Error in {in_filename}: non-primary suite type found."
diff --git a/resources/libraries/python/autogen/Testcase.py b/resources/libraries/python/autogen/Testcase.py
index 224295e1e2..6b4cfb2e06 100644
--- a/resources/libraries/python/autogen/Testcase.py
+++ b/resources/libraries/python/autogen/Testcase.py
@@ -34,7 +34,8 @@ class Testcase:
         """
         self.template = Template(template_string)
 
-    def generate(self, num, frame_size, phy_cores):
+    def generate(self, num, frame_size, phy_cores, clients, streams,
+                 bytes_str):
         """Return string of test case code with placeholders filled.
 
         Fail if there are placeholders left unfilled.
@@ -43,9 +44,16 @@ class Testcase:
         :param num: Test case number. Example value: 4.
         :param frame_size: Imix string or numeric frame size. Example: 74.
         :param phy_cores: Number of physical cores to use. Example: 2.
+        :param clients: Number of clients used by test program. Example: 4.
+        :param streams: Number of streams used by test program. Example: 10.
+        :param bytes_str: Size in bytes of stream sent by test program.
+            Example: 1G
         :type num: int
         :type frame_size: str or int
         :type phy_cores: int or str
+        :type clients: int
+        :type streams: int
+        :type bytes_str: str
         :returns: Filled template, usable as test case code.
         :rtype: str
         """
@@ -66,7 +74,12 @@ class Testcase:
             {
                 u"cores_num": f"${{{cores_num:d}}}",
                 u"cores_str": phy_cores,
-                u"tc_num": f"tc{num:02d}"
+                u"tc_num": f"tc{num:02d}",
+                u"clients_num": f"${{{clients:d}}}",
+                u"clients_str": str(clients),
+                u"streams_num": f"${{{streams:d}}}",
+                u"streams_str": str(streams),
+                u"bytes_str": bytes_str,
             }
         )
         return self.template.substitute(subst_dict)
@@ -103,9 +116,17 @@ class Testcase:
         """
         # TODO: Choose a better frame size identifier for streamed protocols
         # (TCP, QUIC, SCTP, ...) where DUT (not TG) decides frame size.
-        template_string = f'''
+        if u"tcphttp" in suite_id:
+            template_string = f'''
 | ${{tc_num}}-IMIX-${{cores_str}}c-{suite_id}
 | | [Tags] | ${{cores_str}}C
 | | phy_cores=${{cores_num}}
 '''
+        else:
+            template_string = f'''
+| ${{tc_num}}-IMIX-${{cores_str}}c-{suite_id}
+| | [Tags] | ${{cores_str}}C | ${{clients_str}}CLIENT | ${{streams_str}}STREAM
+| | phy_cores=${{cores_num}} | clients=${{clients_num}}'''
+            template_string += f" | streams=${{streams_num}}" \
+                               f" | bytes=${{bytes_str}}\n"
         return cls(template_string)
diff --git a/resources/libraries/robot/hoststack/hoststack.robot b/resources/libraries/robot/hoststack/hoststack.robot
index d0fd9a2a95..cdf35f2015 100644
--- a/resources/libraries/robot/hoststack/hoststack.robot
+++ b/resources/libraries/robot/hoststack/hoststack.robot
@@ -34,12 +34,12 @@
 | ... | sess_evt_q_seg_size=4G
 | ... | sess_evt_q_length=4000000
 | ... | sess_prealloc_sess=4000000
-| ... | sess_v4_sess_tbl_buckets=2000000
-| ... | sess_v4_sess_tbl_mem=2G
-| ... | sess_v4_sess_halfopen_buckets=5000000
-| ... | sess_v4_sess_halfopen_mem=3G
-| ... | sess_lcl_endpt_tbl_buckets=5000000
-| ... | sess_lcl_endpt_tbl_mem=3G
+| ... | sess_v4_tbl_buckets=2000000
+| ... | sess_v4_tbl_mem=2G
+| ... | sess_v4_hopen_buckets=5000000
+| ... | sess_v4_hopen_mem=3G
+| ... | sess_lendpt_buckets=5000000
+| ... | sess_lendpt_mem=3G
 | &{vpp_echo_server_attr}=
 | ... | role=server
 | ... | cfg_vpp_feature=${None}
@@ -74,6 +74,27 @@
 | ... | tx_bytes=0
 | ... | rx_results_diff=${False}
 | ... | tx_results_diff=${False}
+| &{iperf3_server_attr}=
+| ... | role=server
+| ... | cfg_vpp_feature=${Empty}
+| ... | namespace=default
+| ... | vcl_config=vcl_iperf3.conf
+| ... | ld_preload=${True}
+| ... | transparent_tls=${False}
+| ... | json=${False}
+| ... | ip_version=${4}
+| &{iperf3_client_attr}=
+| ... | role=client
+| ... | cfg_vpp_feature=${Empty}
+| ... | namespace=default
+| ... | vcl_config=vcl_iperf3.conf
+| ... | ld_preload=${True}
+| ... | transparent_tls=${False}
+| ... | json=${False}
+| ... | ip_version=${4}
+| ... | ip_address=${EMPTY}
+| ... | parallel=${1}
+| ... | bytes=1G
 
 *** Keywords ***
 | Set VPP Hoststack Attributes
@@ -91,17 +112,17 @@
 | | ... | - ${sess_evt_q_length} - Session event queue length Type: string
 | | ... | - ${sess_prealloc_sess} - Number of sessions to preallocate
 | | ... | Type: string
-| | ... | - ${sess_v4_sess_tbl_buckets} - Number of IPv4 session table buckets
+| | ... | - ${sess_v4_tbl_buckets} - Number of IPv4 session table buckets
 | | ... | Type: string
-| | ... | - ${sess_v4_sess_tbl_mem} - IPv4 session table memory size
+| | ... | - ${sess_v4_tbl_mem} - IPv4 session table memory size
 | | ... | Type: string
-| | ... | - ${sess_v4_sess_halfopen_buckets} - Number of IPv4 session
+| | ... | - ${sess_v4_hopen_buckets} - Number of IPv4 session
 | | ... | half open table buckets Type: string
-| | ... | - ${sess_v4_sess_halfopen_mem} - IPv4 session half open
+| | ... | - ${sess_v4_hopen_mem} - IPv4 session half open
 | | ... | table memory size Type: string
-| | ... | - ${sess_lcl_endpt_tbl_buckets} - Number of session local endpoint
+| | ... | - ${sess_lendpt_buckets} - Number of session local endpoint
 | | ... | table buckets Type: string
-| | ... | - ${sess_lcl_endpt_tbl_mem} - Session local endpoint
+| | ... | - ${sess_lendpt_mem} - Session local endpoint
 | | ... | table memory size Type: string
 | |
 | | ... | *Example:*
@@ -117,12 +138,12 @@
 | | ... | ${sess_evt_q_seg_size}=${vpp_hoststack_attr}[sess_evt_q_seg_size]
 | | ... | ${sess_evt_q_length}=${vpp_hoststack_attr}[sess_evt_q_length]
 | | ... | ${sess_prealloc_sess}=${vpp_hoststack_attr}[sess_prealloc_sess]
-| | ... | ${sess_v4_sess_tbl_buckets}=${vpp_hoststack_attr}[sess_v4_sess_tbl_buckets]
-| | ... | ${sess_v4_sess_tbl_mem}=${vpp_hoststack_attr}[sess_v4_sess_tbl_mem]
-| | ... | ${sess_v4_sess_halfopen_buckets}=${vpp_hoststack_attr}[sess_v4_sess_halfopen_buckets]
-| | ... | ${sess_v4_sess_halfopen_mem}=${vpp_hoststack_attr}[sess_v4_sess_halfopen_mem]
-| | ... | ${sess_lcl_endpt_tbl_buckets}=${vpp_hoststack_attr}[sess_lcl_endpt_tbl_buckets]
-| | ... | ${sess_lcl_endpt_tbl_mem}=${vpp_hoststack_attr}[sess_lcl_endpt_tbl_mem]
+| | ... | ${sess_v4_tbl_buckets}=${vpp_hoststack_attr}[sess_v4_tbl_buckets]
+| | ... | ${sess_v4_tbl_mem}=${vpp_hoststack_attr}[sess_v4_tbl_mem]
+| | ... | ${sess_v4_hopen_buckets}=${vpp_hoststack_attr}[sess_v4_hopen_buckets]
+| | ... | ${sess_v4_hopen_mem}=${vpp_hoststack_attr}[sess_v4_hopen_mem]
+| | ... | ${sess_lendpt_buckets}=${vpp_hoststack_attr}[sess_lendpt_buckets]
+| | ... | ${sess_lendpt_mem}=${vpp_hoststack_attr}[sess_lendpt_mem]
 | |
 | | Set To Dictionary | ${vpp_hoststack_attr} | rxq | ${rxq}
 | | Set To Dictionary | ${vpp_hoststack_attr} | phy_cores | ${phy_cores}
@@ -139,17 +160,17 @@
 | | Set To Dictionary | ${vpp_hoststack_attr}
 | | ... | sess_prealloc_sess | ${sess_prealloc_sess}
 | | Set To Dictionary | ${vpp_hoststack_attr}
-| | ... | sess_v4_sess_tbl_buckets | ${sess_v4_sess_tbl_buckets}
+| | ... | sess_v4_tbl_buckets | ${sess_v4_tbl_buckets}
 | | Set To Dictionary | ${vpp_hoststack_attr}
-| | ... | sess_v4_sess_tbl_mem | ${sess_v4_sess_tbl_mem}
+| | ... | sess_v4_tbl_mem | ${sess_v4_tbl_mem}
 | | Set To Dictionary | ${vpp_hoststack_attr}
-| | ... | sess_v4_sess_halfopen_buckets | ${sess_v4_sess_halfopen_buckets}
+| | ... | sess_v4_hopen_buckets | ${sess_v4_hopen_buckets}
 | | Set To Dictionary | ${vpp_hoststack_attr}
-| | ... | sess_v4_sess_halfopen_mem | ${sess_v4_sess_halfopen_mem}
+| | ... | sess_v4_hopen_mem | ${sess_v4_hopen_mem}
 | | Set To Dictionary | ${vpp_hoststack_attr}
-| | ... | sess_lcl_endpt_tbl_buckets | ${sess_lcl_endpt_tbl_buckets}
+| | ... | sess_lendpt_buckets | ${sess_lendpt_buckets}
 | | Set To Dictionary | ${vpp_hoststack_attr}
-| | ... | sess_lcl_endpt_tbl_mem | ${sess_lcl_endpt_tbl_mem}
+| | ... | sess_lendpt_mem | ${sess_lendpt_mem}
 
 | Set VPP Echo Server Attributes
 | | [Documentation]
@@ -246,6 +267,68 @@
 | | Set To Dictionary
 | | ... | ${vpp_echo_client_attr} | tx_results_diff | ${tx_results_diff}
 
+| Set Iperf3 Server Attributes
+| | [Documentation]
+| | ... | Set the HostStack iperf3 test program attributes
+| | ... | in the iperf3_server_attr dictionary.
+| |
+| | ... | *Arguments:*
+| | ... | - ${vcl_config} - VCL configuration file name Type: string
+| | ... | - ${ld_preload} - Use the VCL LD_PRELOAD library Type: bool
+| | ... | - ${transparent_tls} - Use VCL Transparent-TLS mode Type: bool
+| | ... | - ${ip_version} - IP version (4 or 6) Type: int
+| |
+| | ... | *Example:*
+| |
+| | ... | \| Set Iperf3 Server Attributes \| vcl_config=${vcl_config} \|
+| | ... | \| ip_version=${ip_version} \|
+| |
+| | [Arguments]
+| | ... | ${vcl_config}=${iperf3_server_attr}[vcl_config]
+| | ... | ${ld_preload}=${iperf3_server_attr}[ld_preload]
+| | ... | ${transparent_tls}=${iperf3_server_attr}[transparent_tls]
+| | ... | ${ip_version}=${iperf3_server_attr}[ip_version]
+| |
+| | Set To Dictionary | ${iperf3_server_attr} | vcl_config | ${vcl_config}
+| | Set To Dictionary | ${iperf3_server_attr} | ld_preload | ${ld_preload}
+| | Set To Dictionary | ${iperf3_server_attr} | transparent_tls
+| | ... | ${transparent_tls}
+| | Set To Dictionary | ${iperf3_server_attr} | ip_version | ${ip_version}
+
+| Set Iperf3 Client Attributes
+| | [Documentation]
+| | ... | Set the HostStack iperf3 test program attributes
+| | ... | in the iperf3_client_attr dictionary.
+| |
+| | ... | *Arguments:*
+| | ... | - ${vcl_config} - VCL configuration file name Type: string
+| | ... | - ${ld_preload} - Use the VCL LD_PRELOAD library Type: bool
+| | ... | - ${transparent_tls} - Use VCL Transparent-TLS mode Type: bool
+| | ... | - ${ip_version} - IP version (4 or 6) Type: int
+| | ... | - ${parallel} - Number of parallel streams Type: int
+| | ... | - ${bytes} - Number of bytes to send Type: string
+| |
+| | ... | *Example:*
+| |
+| | ... | \| Set Iperf3 Client Attributes \| vcl_config=${vcl_config} \|
+| | ... | \| ip_version=${ip_version} \| parallel=${streams} \|
+| |
+| | [Arguments]
+| | ... | ${vcl_config}=${iperf3_client_attr}[vcl_config]
+| | ... | ${ld_preload}=${iperf3_client_attr}[ld_preload]
+| | ... | ${transparent_tls}=${iperf3_client_attr}[transparent_tls]
+| | ... | ${ip_version}=${iperf3_client_attr}[ip_version]
+| | ... | ${parallel}=${iperf3_client_attr}[parallel]
+| | ... | ${bytes}=${iperf3_client_attr}[bytes]
+| |
+| | Set To Dictionary | ${iperf3_client_attr} | vcl_config | ${vcl_config}
+| | Set To Dictionary | ${iperf3_client_attr} | ld_preload | ${ld_preload}
+| | Set To Dictionary | ${iperf3_client_attr} | transparent_tls
+| | ... | ${transparent_tls}
+| | Set To Dictionary | ${iperf3_client_attr} | ip_version | ${ip_version}
+| | Set To Dictionary | ${iperf3_client_attr} | parallel | ${parallel}
+| | Set To Dictionary | ${iperf3_client_attr} | bytes | ${bytes}
+
 | Run hoststack test program on DUT
 | | [Documentation]
 | | ... | Configure IP address on the port, set it up and start the specified
@@ -299,10 +382,10 @@
 | | [Documentation]
 | | ... | Configure VPP HostStack attributes on all DUTs.
 | |
+| | Set Max Rate And Jumbo
 | | Add worker threads to all DUTs
 | | ... | ${vpp_hoststack_attr}[phy_cores] | ${vpp_hoststack_attr}[rxq]
-| | Add DPDK PCI devices to all DUTs
-| | ${duts}= | Get Matches | ${nodes} | DUT*
+| | Pre-initialize layer driver | ${nic_driver}
 | | FOR | ${dut} | IN | @{duts}
 | | | Import Library | resources.libraries.python.VppConfigGenerator
 | | | ... | WITH NAME | ${dut}
@@ -321,17 +404,17 @@
 | | | Run keyword | ${dut}.Add session preallocated sessions
 | | | ... | ${vpp_hoststack_attr}[sess_prealloc_sess]
 | | | Run keyword | ${dut}.Add session v4 session table buckets
-| | | ... | ${vpp_hoststack_attr}[sess_v4_sess_tbl_buckets]
+| | | ... | ${vpp_hoststack_attr}[sess_v4_tbl_buckets]
 | | | Run keyword | ${dut}.Add session v4 session table memory
-| | | ... | ${vpp_hoststack_attr}[sess_v4_sess_tbl_mem]
+| | | ... | ${vpp_hoststack_attr}[sess_v4_tbl_mem]
 | | | Run keyword | ${dut}.Add session v4 halfopen table buckets
-| | | ... | ${vpp_hoststack_attr}[sess_v4_sess_halfopen_buckets]
+| | | ... | ${vpp_hoststack_attr}[sess_v4_hopen_buckets]
 | | | Run keyword | ${dut}.Add session v4 halfopen table memory
-| | | ... | ${vpp_hoststack_attr}[sess_v4_sess_halfopen_mem]
+| | | ... | ${vpp_hoststack_attr}[sess_v4_hopen_mem]
 | | | Run keyword | ${dut}.Add session local endpoints table buckets
-| | | ... | ${vpp_hoststack_attr}[sess_lcl_endpt_tbl_buckets]
+| | | ... | ${vpp_hoststack_attr}[sess_lendpt_buckets]
 | | | Run keyword | ${dut}.Add session local endpoints table memory
-| | | ... | ${vpp_hoststack_attr}[sess_lcl_endpt_tbl_mem]
+| | | ... | ${vpp_hoststack_attr}[sess_lendpt_mem]
 | | END
 | | Apply startup configuration on all VPP DUTs
 
@@ -370,3 +453,31 @@
 | | Set test message | ${server_output} | append=True
 | | Run Keyword And Return | No Hoststack Test Program Results
 | | ... | ${server_no_results} | ${client_no_results}
+
+| Get Test Results From Hoststack Iperf3 Test
+| | [Documentation]
+| | ... | Configure IP address on the port, set it up and start the specified
+| | ... | HostStack test programs on the DUTs. Gather test program
+| | ... | output and append test results in message.
+| | ... | Return boolean indicating when no results were available from
+| | ... | both the server and client test programs.
+| |
+| | Set To Dictionary | ${iperf3_client_attr} | ip_address
+| | ... | ${dut2_if1_ip4_addr}
+| | Configure VPP Hoststack Attributes on all DUTs
+| | ${iperf3_server}= | Get Iperf3 Command | ${iperf3_server_attr}
+| | ${server_pid}= | Run hoststack test program on DUT
+| | ... | ${dut2} | ${dut2_if1} | ${dut2_if1_ip4_addr} | ${dut2_if1_ip4_prefix}
+| | ... | ${iperf3_server_attr}[namespace]
+| | ... | ${iperf3_server_attr}[cfg_vpp_feature] | ${iperf3_server}
+| | ${iperf3_client}= | Get Iperf3 Command | ${iperf3_client_attr}
+| | ${client_pid}= | Run hoststack test program on DUT
+| | ... | ${dut1} | ${dut1_if1} | ${dut1_if1_ip4_addr} | ${dut1_if1_ip4_prefix}
+| | ... | ${iperf3_client_attr}[namespace]
+| | ... | ${iperf3_client_attr}[cfg_vpp_feature] | ${iperf3_client}
+| | When Hoststack Test Program Finished | ${dut1} | ${client_pid}
+| | ${client_no_results} | ${client_output}=
+| | ... | Analyze hoststack test program output | ${dut1} | Client
+| | ... | ${vpp_nsim_attr} | ${iperf3_client}
+| | Then Set test message | ${client_output}
+| | Return From Keyword | ${client_no_results}
diff --git a/resources/libraries/robot/shared/suite_setup.robot b/resources/libraries/robot/shared/suite_setup.robot
index 7518899ee1..7cfb38bcf7 100644
--- a/resources/libraries/robot/shared/suite_setup.robot
+++ b/resources/libraries/robot/shared/suite_setup.robot
@@ -117,7 +117,7 @@
 | | | Append Node | ${nodes['${dut}']} | filter_list=${nic_model_list}
 | | END
 | | Append Node | ${nodes['@{duts}[0]']} | filter_list=${nic_model_list}
-| | Compute Path | always_same_link=${FALSE}
+| | Compute Path | always_same_link=${TRUE}
 | | FOR | ${i} | IN RANGE | 1 | ${DATAPATH_INTERFACES_MAX}
 | | | ${dutx_if} | ${dutx}= | Next Interface
 | | | Run Keyword If | '${dutx_if}' == 'None' | EXIT FOR LOOP
diff --git a/resources/templates/vcl/vcl_iperf3.conf b/resources/templates/vcl/vcl_iperf3.conf
new file mode 100644
index 0000000000..9e4b0571dd
--- /dev/null
+++ b/resources/templates/vcl/vcl_iperf3.conf
@@ -0,0 +1,7 @@
+vcl {
+  rx-fifo-size 4000000
+  tx-fifo-size 4000000
+  app-scope-local
+  app-scope-global
+  api-socket-name /run/vpp/api.sock
+}
\ No newline at end of file
diff --git a/resources/tools/testbed-setup/ansible/roles/common/tasks/ubuntu_bionic.yaml b/resources/tools/testbed-setup/ansible/roles/common/tasks/ubuntu_bionic.yaml
index 2db85cf086..480358b0a3 100644
--- a/resources/tools/testbed-setup/ansible/roles/common/tasks/ubuntu_bionic.yaml
+++ b/resources/tools/testbed-setup/ansible/roles/common/tasks/ubuntu_bionic.yaml
@@ -14,6 +14,7 @@
       - 'build-essential'
       - 'cgroup-bin'
       - 'dkms'
+      - 'iperf3'
       - 'libpcap-dev'
       - 'python-all'
       - 'python-apt'