Framework: Profiles load

Signed-off-by: pmikus <pmikus@cisco.com>
Change-Id: Iab84aff31a23bb9d8e1165f5314004803fd8a501

4 files changed, 264 insertions, 140 deletions

diff --git a/resources/libraries/python/QemuManager.py b/resources/libraries/python/QemuManager.py
index ce55be0a51..66a21aa115 100644
--- a/resources/libraries/python/QemuManager.py
+++ b/resources/libraries/python/QemuManager.py
@@ -56,15 +56,12 @@ class QemuManager:
         nf_dtcr = kwargs[u"nf_dtcr"] \
             if isinstance(kwargs[u"nf_dtcr"], int) else 2
 
-        img = Constants.QEMU_VM_KERNEL
-
         for nf_chain in range(1, nf_chains + 1):
             for nf_node in range(1, nf_nodes + 1):
                 qemu_id = (nf_chain - 1) * nf_nodes + nf_node
                 name = f"{node}_{qemu_id}"
-                sock1 = f"/run/vpp/sock-{qemu_id}-1"
-                sock2 = f"/run/vpp/sock-{qemu_id}-2"
                 idx1 = (nf_chain - 1) * nf_nodes * 2 + nf_node * 2 - 1
+
                 vif1_mac = Topology.get_interface_mac(
                     self.nodes[node], f"vhost{idx1}"
                 ) if kwargs[u"vnf"] == u"testpmd_mac" \
@@ -83,27 +80,15 @@ class QemuManager:
                     vs_dtc=vs_dtc, nf_dtc=nf_dtc, nf_dtcr=nf_dtcr
                 )
 
-                self.machines[name] = QemuUtils(
-                    node=self.nodes[node], qemu_id=qemu_id,
-                    smp=len(self.machines_affinity[name]), mem=4096,
-                    vnf=kwargs[u"vnf"], img=img
-                )
-                self.machines[name].configure_kernelvm_vnf(
-                    mac1=f"52:54:00:00:{qemu_id:02x}:01",
-                    mac2=f"52:54:00:00:{qemu_id:02x}:02",
-                    vif1_mac=vif1_mac, vif2_mac=vif2_mac, queues=queues,
-                    jumbo_frames=kwargs[u"jumbo"]
-                )
-                self.machines[name].qemu_add_vhost_user_if(
-                    sock1, jumbo_frames=kwargs[u"jumbo"], queues=queues,
-                    queue_size=kwargs[u"perf_qemu_qsz"],
-                    csum=kwargs[u"enable_csum"], gso=kwargs[u"enable_gso"]
-                )
-                self.machines[name].qemu_add_vhost_user_if(
-                    sock2, jumbo_frames=kwargs[u"jumbo"], queues=queues,
-                    queue_size=kwargs[u"perf_qemu_qsz"],
-                    csum=kwargs[u"enable_csum"], gso=kwargs[u"enable_gso"]
-                )
+                try:
+                    getattr(self, f'_c_{kwargs["vnf"]}')(
+                        qemu_id=qemu_id, name=name, queues=queues, **kwargs
+                    )
+                except AttributeError:
+                    self._c_default(
+                        qemu_id=qemu_id, name=name, queues=queues,
+                        vif1_mac=vif1_mac, vif2_mac=vif2_mac, **kwargs
+                    )
 
     def construct_vms_on_all_nodes(self, **kwargs):
         """Construct 1..Mx1..N VMs(s) with specified name on all nodes.
@@ -124,7 +109,9 @@ class QemuManager:
         """
         for machine, machine_affinity in \
                 zip(self.machines.values(), self.machines_affinity.values()):
-            machine.qemu_start()
+            index = list(self.machines.values()).index(machine)
+            name = list(self.machines.keys())[index]
+            self.nodes[name] = machine.qemu_start()
             if pinning:
                 machine.qemu_set_affinity(*machine_affinity)
 
@@ -134,8 +121,58 @@ class QemuManager:
         :param force: Force kill all Qemu instances by pkill qemu if True.
         :type force: bool
         """
+        for node in list(self.nodes.values()):
+            if node["type"] == NodeType.VM:
+                try:
+                    self.nodes.popitem(node)
+                except TypeError:
+                    pass
         for machine in self.machines.values():
             if force:
                 machine.qemu_kill_all()
             else:
                 machine.qemu_kill()
+
+    def _c_default(self, **kwargs):
+        """Instantiate one VM with default configuration.
+
+        :param kwargs: Named parameters.
+        :type kwargs: dict
+        """
+        qemu_id = kwargs[u"qemu_id"]
+        name = kwargs[u"name"]
+
+        self.machines[name] = QemuUtils(
+            node=self.nodes[kwargs[u"node"]],
+            qemu_id=qemu_id,
+            smp=len(self.machines_affinity[name]),
+            mem=4096,
+            vnf=kwargs[u"vnf"],
+            img=Constants.QEMU_VM_KERNEL
+        )
+        self.machines[name].add_default_params()
+        self.machines[name].add_kernelvm_params()
+        self.machines[name].configure_kernelvm_vnf(
+            mac1=f"52:54:00:00:{qemu_id:02x}:01",
+            mac2=f"52:54:00:00:{qemu_id:02x}:02",
+            vif1_mac=kwargs[u"vif1_mac"],
+            vif2_mac=kwargs[u"vif2_mac"],
+            queues=kwargs[u"queues"],
+            jumbo_frames=kwargs[u"jumbo"]
+        )
+        self.machines[name].add_vhost_user_if(
+            f"/run/vpp/sock-{qemu_id}-1",
+            jumbo_frames=kwargs[u"jumbo"],
+            queues=kwargs[u"queues"],
+            queue_size=kwargs[u"perf_qemu_qsz"],
+            csum=kwargs[u"enable_csum"],
+            gso=kwargs[u"enable_gso"]
+        )
+        self.machines[name].add_vhost_user_if(
+            f"/run/vpp/sock-{qemu_id}-2",
+            jumbo_frames=kwargs[u"jumbo"],
+            queues=kwargs[u"queues"],
+            queue_size=kwargs[u"perf_qemu_qsz"],
+            csum=kwargs[u"enable_csum"],
+            gso=kwargs[u"enable_gso"]
+        )
diff --git a/resources/libraries/python/QemuUtils.py b/resources/libraries/python/QemuUtils.py
index 3ba64f0dbf..bb0c20c554 100644
--- a/resources/libraries/python/QemuUtils.py
+++ b/resources/libraries/python/QemuUtils.py
@@ -28,7 +28,6 @@ from resources.libraries.python.OptionString import OptionString
 from resources.libraries.python.ssh import exec_cmd, exec_cmd_no_error
 from resources.libraries.python.topology import NodeType, Topology
 from resources.libraries.python.VppConfigGenerator import VppConfigGenerator
-from resources.libraries.python.VPPUtil import VPPUtil
 
 __all__ = [u"QemuUtils"]
 
@@ -95,9 +94,9 @@ class QemuUtils:
         self._opt[u"vnf"] = vnf
         # Temporary files.
         self._temp = dict()
+        self._temp[u"log"] = f"/tmp/serial_{qemu_id}.log"
         self._temp[u"pidfile"] = f"/run/qemu_{qemu_id}.pid"
         if img == Constants.QEMU_VM_IMAGE:
-            self._opt[u"vm_type"] = u"nestedvm"
             self._temp[u"qmp"] = f"/run/qmp_{qemu_id}.sock"
             self._temp[u"qga"] = f"/run/qga_{qemu_id}.sock"
         elif img == Constants.QEMU_VM_KERNEL:
@@ -105,8 +104,6 @@ class QemuUtils:
                 node, f"ls -1 {Constants.QEMU_VM_KERNEL}* | tail -1",
                 message=u"Qemu Kernel VM image not found!"
             )
-            self._opt[u"vm_type"] = u"kernelvm"
-            self._temp[u"log"] = f"/tmp/serial_{qemu_id}.log"
             self._temp[u"ini"] = f"/etc/vm_init_{qemu_id}.conf"
             self._opt[u"initrd"], _ = exec_cmd_no_error(
                 node, f"ls -1 {Constants.QEMU_VM_KERNEL_INITRD}* | tail -1",
@@ -116,17 +113,6 @@ class QemuUtils:
             raise RuntimeError(f"QEMU: Unknown VM image option: {img}")
         # Computed parameters for QEMU command line.
         self._params = OptionString(prefix=u"-")
-        self.add_params()
-
-    def add_params(self):
-        """Set QEMU command line parameters."""
-        self.add_default_params()
-        if self._opt.get(u"vm_type", u"") == u"nestedvm":
-            self.add_nestedvm_params()
-        elif self._opt.get(u"vm_type", u"") == u"kernelvm":
-            self.add_kernelvm_params()
-        else:
-            raise RuntimeError(u"QEMU: Unsupported VM type!")
 
     def add_default_params(self):
         """Set default QEMU command line parameters."""
@@ -136,9 +122,7 @@ class QemuUtils:
             u"name", f"vnf{self._opt.get(u'qemu_id')},debug-threads=on"
         )
         self._params.add(u"no-user-config")
-        self._params.add_with_value(u"monitor", u"none")
-        self._params.add_with_value(u"display", u"none")
-        self._params.add_with_value(u"vga", u"none")
+        self._params.add(u"nographic")
         self._params.add(u"enable-kvm")
         self._params.add_with_value(u"pidfile", self._temp.get(u"pidfile"))
         self._params.add_with_value(u"cpu", u"host")
@@ -156,32 +140,59 @@ class QemuUtils:
         self._params.add_with_value(u"numa", u"node,memdev=mem")
         self._params.add_with_value(u"balloon", u"none")
 
-    def add_nestedvm_params(self):
-        """Set NestedVM QEMU parameters."""
+    def add_net_user(self):
+        """Set managment port forwarding."""
         self._params.add_with_value(
-            u"net",
-            f"nic,macaddr=52:54:00:00:{self._opt.get(u'qemu_id'):02x}:ff"
+            u"netdev", f"user,id=mgmt,net=192.168.76.0/24,"
+            f"hostfwd=tcp::{self._vm_info[u'port']}-:22"
         )
         self._params.add_with_value(
-            u"net", f"user,hostfwd=tcp::{self._vm_info[u'port']}-:22"
+            u"device", f"virtio-net,netdev=mgmt"
         )
-        locking = u",file.locking=off"
+
+    def add_qmp_qga(self):
+        """Set QMP, QGA management."""
         self._params.add_with_value(
-            u"drive", f"file={self._opt.get(u'img')},"
-            f"format=raw,cache=none,if=virtio{locking}"
+            u"chardev", f"socket,path={self._temp.get(u'qga')},"
+            f"server,nowait,id=qga0"
         )
+        self._params.add_with_value(u"device", u"isa-serial,chardev=qga0")
         self._params.add_with_value(
             u"qmp", f"unix:{self._temp.get(u'qmp')},server,nowait"
         )
+
+    def add_serial(self):
+        """Set serial to file redirect."""
         self._params.add_with_value(
             u"chardev", f"socket,host=127.0.0.1,"
             f"port={self._vm_info[u'serial']},id=gnc0,server,nowait")
         self._params.add_with_value(u"device", u"isa-serial,chardev=gnc0")
         self._params.add_with_value(
-            u"chardev", f"socket,path={self._temp.get(u'qga')},"
-            f"server,nowait,id=qga0"
+            u"serial", f"file:{self._temp.get(u'log')}"
+        )
+
+    def add_drive_cdrom(self, drive_file):
+        """Set CD-ROM drive.
+
+        :param drive_file: Path to drive image.
+        :type drive_file: str
+        """
+        self._params.add_with_value(
+            u"drive", f"file={drive_file},media=cdrom"
+        )
+
+    def add_drive(self, drive_file, drive_format):
+        """Set drive with custom format.
+
+        :param drive_file: Path to drive image.
+        :param drive_format: Drive image format.
+        :type drive_file: str
+        :type drive_format: str
+        """
+        self._params.add_with_value(
+            u"drive", f"file={drive_file},format={drive_format},"
+            u"cache=none,if=virtio,file.locking=off"
         )
-        self._params.add_with_value(u"device", u"isa-serial,chardev=qga0")
 
     def add_kernelvm_params(self):
         """Set KernelVM QEMU parameters."""
@@ -203,6 +214,62 @@ class QemuUtils:
             f"init={self._temp.get(u'ini')} fastboot'"
         )
 
+    def add_vhost_user_if(
+            self, socket, server=True, jumbo_frames=False, queue_size=None,
+            queues=1, csum=False, gso=False):
+        """Add Vhost-user interface.
+
+        :param socket: Path of the unix socket.
+        :param server: If True the socket shall be a listening socket.
+        :param jumbo_frames: Set True if jumbo frames are used in the test.
+        :param queue_size: Vring queue size.
+        :param queues: Number of queues.
+        :param csum: Checksum offloading.
+        :param gso: Generic segmentation offloading.
+        :type socket: str
+        :type server: bool
+        :type jumbo_frames: bool
+        :type queue_size: int
+        :type queues: int
+        :type csum: bool
+        :type gso: bool
+        """
+        self._vhost_id += 1
+        self._params.add_with_value(
+            u"chardev", f"socket,id=char{self._vhost_id},"
+            f"path={socket}{u',server' if server is True else u''}"
+        )
+        self._params.add_with_value(
+            u"netdev", f"vhost-user,id=vhost{self._vhost_id},"
+            f"chardev=char{self._vhost_id},queues={queues}"
+        )
+        mac = f"52:54:00:00:{self._opt.get(u'qemu_id'):02x}:" \
+            f"{self._vhost_id:02x}"
+        queue_size = f"rx_queue_size={queue_size},tx_queue_size={queue_size}" \
+            if queue_size else u""
+        self._params.add_with_value(
+            u"device", f"virtio-net-pci,netdev=vhost{self._vhost_id},mac={mac},"
+            f"addr={self._vhost_id+5}.0,mq=on,vectors={2 * queues + 2},"
+            f"csum={u'on' if csum else u'off'},gso={u'on' if gso else u'off'},"
+            f"guest_tso4=off,guest_tso6=off,guest_ecn=off,"
+            f"{queue_size}"
+        )
+
+        # Add interface MAC and socket to the node dict.
+        if_data = {u"mac_address": mac, u"socket": socket}
+        if_name = f"vhost{self._vhost_id}"
+        self._vm_info[u"interfaces"][if_name] = if_data
+        # Add socket to temporary file list.
+        self._temp[if_name] = socket
+
+    def add_vfio_pci_if(self, pci):
+        """Add VFIO PCI interface.
+
+        :param pci: PCI address of interface.
+        :type pci: str
+        """
+        self._params.add_with_value(u"device", f"vfio-pci,host={pci}")
+
     def create_kernelvm_config_vpp(self, **kwargs):
         """Create QEMU VPP config files.
 
@@ -224,11 +291,19 @@ class QemuUtils:
         vpp_config.add_unix_cli_listen()
         vpp_config.add_unix_exec(running)
         vpp_config.add_socksvr()
+        vpp_config.add_buffers_per_numa(107520)
         vpp_config.add_cpu_main_core(u"0")
         if self._opt.get(u"smp") > 1:
             vpp_config.add_cpu_corelist_workers(f"1-{self._opt.get(u'smp')-1}")
         vpp_config.add_plugin(u"disable", u"default")
-        if "virtio" not in self._opt.get(u'vnf'):
+        vpp_config.add_plugin(u"enable", u"ping_plugin.so")
+        if "ipsec" in self._opt.get(u'vnf'):
+            vpp_config.add_plugin(u"enable", u"crypto_native_plugin.so")
+            vpp_config.add_plugin(u"enable", u"crypto_ipsecmb_plugin.so")
+            vpp_config.add_plugin(u"enable", u"crypto_openssl_plugin.so")
+        if "2vfpt" in self._opt.get(u'vnf'):
+            vpp_config.add_plugin(u"enable", u"avf_plugin.so")
+        if "vhost" in self._opt.get(u'vnf'):
             vpp_config.add_plugin(u"enable", u"dpdk_plugin.so")
             vpp_config.add_dpdk_dev(u"0000:00:06.0", u"0000:00:07.0")
             vpp_config.add_dpdk_dev_default_rxq(kwargs[u"queues"])
@@ -401,54 +476,6 @@ class QemuUtils:
             self.qemu_kill_all()
             raise
 
-    def qemu_add_vhost_user_if(
-            self, socket, server=True, jumbo_frames=False, queue_size=None,
-            queues=1, csum=False, gso=False):
-        """Add Vhost-user interface.
-
-        :param socket: Path of the unix socket.
-        :param server: If True the socket shall be a listening socket.
-        :param jumbo_frames: Set True if jumbo frames are used in the test.
-        :param queue_size: Vring queue size.
-        :param queues: Number of queues.
-        :param csum: Checksum offloading.
-        :param gso: Generic segmentation offloading.
-        :type socket: str
-        :type server: bool
-        :type jumbo_frames: bool
-        :type queue_size: int
-        :type queues: int
-        :type csum: bool
-        :type gso: bool
-        """
-        self._vhost_id += 1
-        self._params.add_with_value(
-            u"chardev", f"socket,id=char{self._vhost_id},"
-            f"path={socket}{u',server' if server is True else u''}"
-        )
-        self._params.add_with_value(
-            u"netdev", f"vhost-user,id=vhost{self._vhost_id},"
-            f"chardev=char{self._vhost_id},queues={queues}"
-        )
-        mac = f"52:54:00:00:{self._opt.get(u'qemu_id'):02x}:" \
-            f"{self._vhost_id:02x}"
-        queue_size = f"rx_queue_size={queue_size},tx_queue_size={queue_size}" \
-            if queue_size else u""
-        self._params.add_with_value(
-            u"device", f"virtio-net-pci,netdev=vhost{self._vhost_id},mac={mac},"
-            f"addr={self._vhost_id+5}.0,mq=on,vectors={2 * queues + 2},"
-            f"csum={u'on' if csum else u'off'},gso={u'on' if gso else u'off'},"
-            f"guest_tso4=off,guest_tso6=off,guest_ecn=off,"
-            f"{queue_size}"
-        )
-
-        # Add interface MAC and socket to the node dict.
-        if_data = {u"mac_address": mac, u"socket": socket}
-        if_name = f"vhost{self._vhost_id}"
-        self._vm_info[u"interfaces"][if_name] = if_data
-        # Add socket to temporary file list.
-        self._temp[if_name] = socket
-
     def _qemu_qmp_exec(self, cmd):
         """Execute QMP command.
 
@@ -507,16 +534,40 @@ class QemuUtils:
         return json.loads(stdout.split(u"\n", 1)[0]) if stdout else dict()
 
     def _wait_until_vm_boot(self):
-        """Wait until QEMU with NestedVM is booted."""
-        if self._opt.get(u"vm_type") == u"nestedvm":
-            self._wait_until_nestedvm_boot()
-            self._update_vm_interfaces()
-        elif self._opt.get(u"vm_type") == u"kernelvm":
-            self._wait_until_kernelvm_boot()
+        """Wait until QEMU VM is booted."""
+        try:
+            getattr(self, f'_wait_{self._opt["vnf"]}')()
+        except AttributeError:
+            self._wait_default()
+
+    def _wait_default(self, retries=60):
+        """Wait until QEMU with VPP is booted.
+
+        :param retries: Number of retries.
+        :type retries: int
+        """
+        for _ in range(retries):
+            command = f"tail -1 {self._temp.get(u'log')}"
+            stdout = None
+            try:
+                stdout, _ = exec_cmd_no_error(self._node, command, sudo=True)
+                sleep(1)
+            except RuntimeError:
+                pass
+            if "vpp " in stdout and "built by" in stdout:
+                break
+            if u"Press enter to exit" in stdout:
+                break
+            if u"reboot: Power down" in stdout:
+                raise RuntimeError(
+                    f"QEMU: NF failed to run on {self._node[u'host']}!"
+                )
         else:
-            raise RuntimeError(u"QEMU: Unsupported VM type!")
+            raise RuntimeError(
+                f"QEMU: Timeout, VM not booted on {self._node[u'host']}!"
+            )
 
-    def _wait_until_nestedvm_boot(self, retries=12):
+    def _wait_nestedvm(self, retries=12):
         """Wait until QEMU with NestedVM is booted.
 
         First try to flush qga until there is output.
@@ -564,33 +615,6 @@ class QemuUtils:
                 f"QEMU: Timeout, VM not booted on {self._node[u'host']}!"
             )
 
-    def _wait_until_kernelvm_boot(self, retries=60):
-        """Wait until QEMU KernelVM is booted.
-
-        :param retries: Number of retries.
-        :type retries: int
-        """
-        vpp_ver = VPPUtil.vpp_show_version(self._node)
-
-        for _ in range(retries):
-            command = f"tail -1 {self._temp.get(u'log')}"
-            stdout = None
-            try:
-                stdout, _ = exec_cmd_no_error(self._node, command, sudo=True)
-                sleep(1)
-            except RuntimeError:
-                pass
-            if vpp_ver in stdout or u"Press enter to exit" in stdout:
-                break
-            if u"reboot: Power down" in stdout:
-                raise RuntimeError(
-                    f"QEMU: NF failed to run on {self._node[u'host']}!"
-                )
-        else:
-            raise RuntimeError(
-                f"QEMU: Timeout, VM not booted on {self._node[u'host']}!"
-            )
-
     def _update_vm_interfaces(self):
         """Update interface names in VM node dict."""
         # Send guest-network-get-interfaces command via QGA, output example:
diff --git a/resources/libraries/robot/shared/test_teardown.robot b/resources/libraries/robot/shared/test_teardown.robot
index 68bbe716f2..b5cdab0664 100644
--- a/resources/libraries/robot/shared/test_teardown.robot
+++ b/resources/libraries/robot/shared/test_teardown.robot
@@ -24,7 +24,7 @@
 *** Keywords ***
 | Tear down test
 | | [Documentation]
-| | ... | Common test teardown for tests.
+| | ... | Common test teardown for VPP tests.
 | |
 | | ... | *Arguments:*
 | | ... | - ${actions} - Additional teardown action. Type: list
@@ -46,6 +46,21 @@
 | | END
 | | Clean Sockets On All Nodes | ${nodes}
 
+| Tear down test raw
+| | [Documentation]
+| | ... | Common test teardown for raw tests.
+| |
+| | ... | *Arguments:*
+| | ... | - ${actions} - Additional teardown action. Type: list
+| |
+| | [Arguments] | @{actions}
+| |
+| | Remove All Added Ports On All DUTs From Topology | ${nodes}
+| | FOR | ${action} | IN | @{actions}
+| | | Run Keyword | Additional Test Tear Down Action For ${action}
+| | END
+| | Clean Sockets On All Nodes | ${nodes}
+
 | Additional Test Tear Down Action For performance
 | | [Documentation]
 | | ... | Additional teardown for tests which uses performance measurement.
@@ -78,6 +93,14 @@
 | | ... | Keyword Should Exist | vnf_manager.Kill All VMs
 | | Run Keyword If | '${vnf_status}' == 'PASS' | vnf_manager.Kill All VMs
 
+| Additional Test Tear Down Action For vhost-pt
+| | [Documentation]
+| | ... | Additional teardown for tests which uses pci-passtrough and VM(s).
+| |
+| | ${vnf_status} | ${value}= | Run Keyword And Ignore Error
+| | ... | Keyword Should Exist | vnf_manager.Kill All VMs
+| | Run Keyword If | '${vnf_status}' == 'PASS' | vnf_manager.Kill All VMs
+
 | Additional Test Tear Down Action For nat
 | | [Documentation]
 | | ... | Additional teardown for tests which uses NAT feature.
diff --git a/resources/libraries/robot/shared/vm.robot b/resources/libraries/robot/shared/vm.robot
index 21fce77683..2f15853779 100644
--- a/resources/libraries/robot/shared/vm.robot
+++ b/resources/libraries/robot/shared/vm.robot
@@ -103,3 +103,43 @@
 | | Run Keyword | vnf_manager.Start All VMs | pinning=${pinning}
 | | All VPP Interfaces Ready Wait | ${nodes} | retries=${300}
 | | VPP round robin RX placement on all DUTs | ${nodes} | prefix=Virtual
+
+| Configure chains of NFs connected via passtrough
+| | [Documentation]
+| | ... | Start 1..N chains of 1..N QEMU guests (VNFs) with two pci passtrough\
+| | ... | interfaces and interconnecting NF.
+| |
+| | ... | *Arguments:*
+| | ... | - nf_chains - Number of chains of NFs. Type: integer
+| | ... | - nf_nodes - Number of NFs nodes per chain. Type: integer
+| | ... | - jumbo - Jumbo frames are used (True) or are not used (False)
+| | ... | in the test. Type: boolean
+| | ... | - perf_qemu_qsz - Virtio Queue Size. Type: integer
+| | ... | - use_tuned_cfs - Set True if CFS RR should be used for Qemu SMP.
+| | ... | Type: boolean
+| | ... | - auto_scale - Whether to use same amount of RXQs for memif interface
+| | ... | in containers as vswitch, otherwise use single RXQ. Type: boolean
+| | ... | - vnf - Network function as a payload. Type: string
+| | ... | - pinning - Whether to pin QEMU VMs to specific cores
+| |
+| | ... | *Example:*
+| |
+| | ... | \| Configure chains of VMs connected via passtrough
+| | ... | \| 1 \| 1 \| False \| 1024 \| False \| False \| vpp \| True \|
+| |
+| | [Arguments] | ${nf_chains}=${1} | ${nf_nodes}=${1} | ${jumbo}=${False}
+| | ... | ${perf_qemu_qsz}=${1024} | ${use_tuned_cfs}=${False}
+| | ... | ${auto_scale}=${True} | ${vnf}=vpp | ${pinning}=${True}
+| |
+| | Import Library | resources.libraries.python.QemuManager | ${nodes}
+| | ... | WITH NAME | vnf_manager
+| | Run Keyword | vnf_manager.Construct VMs on all nodes
+| | ... | nf_chains=${nf_chains} | nf_nodes=${nf_nodes} | jumbo=${jumbo}
+| | ... | perf_qemu_qsz=${perf_qemu_qsz} | use_tuned_cfs=${use_tuned_cfs}
+| | ... | auto_scale=${auto_scale} | vnf=${vnf}
+| | ... | tg_pf1_mac=${TG_pf1_mac}[0] | tg_pf2_mac=${TG_pf2_mac}[0]
+| | ... | vs_dtc=${cpu_count_int} | nf_dtc=${nf_dtc} | nf_dtcr=${nf_dtcr}
+| | ... | rxq_count_int=${rxq_count_int} | enable_csum=${False}
+| | ... | enable_gso=${False}
+| | ... | if1=${DUT1_${int}1}[0] | if2=${DUT1_${int}2}[0]
+| | Run Keyword | vnf_manager.Start All VMs | pinning=${pinning}