1 files changed, 698 insertions, 0 deletions
diff --git a/scripts/automation/regression/functional_tests/trex_cfg_creator_test.py b/scripts/automation/regression/functional_tests/trex_cfg_creator_test.py
new file mode 100755
index 00000000..ab6ab6f6
--- /dev/null
+++ b/scripts/automation/regression/functional_tests/trex_cfg_creator_test.py
@@ -0,0 +1,698 @@
+#!/usr/bin/python 
+
+import sys
+import copy
+from collections import OrderedDict
+from trex import CTRexScenario
+sys.path.append(CTRexScenario.scripts_path)
+from dpdk_setup_ports import ConfigCreator, DpdkSetup
+sys.path.remove(CTRexScenario.scripts_path)
+from nose.tools import assert_raises
+import yaml
+
+class CompareLinesDiff(Exception): pass
+class CompareLinesNumDiff(Exception): pass
+class CompareTypeErr(Exception): pass
+
+def compare_lines(golden, output):
+    if type(golden) is not str:
+        raise CompareTypeErr('Type of golden should be str, got: %s' % type(golden))
+    if type(output) is not str:
+        raise CompareTypeErr('Type of output should be str, got: %s' % type(output))
+    golden_lines = golden.strip().splitlines()
+    output_lines = output.strip().splitlines()
+    if len(golden_lines) != len(output_lines):
+        raise CompareLinesNumDiff('Number of lines on golden is: %s, in output: %s\nGolden:\n%s\nGenerated:\n%s\n' % (len(golden_lines), len(output_lines), golden, output))
+    for line_num, (golden_line, output_line) in enumerate(zip(golden_lines, output_lines)):
+        if golden_line != output_line:
+            raise CompareLinesDiff('Produced YAML differs from golden at line %s.Golden: %s <-> Output: %s' % (line_num + 1, golden_line, output_line))
+
+def create_config(cpu_topology, interfaces, *args, **kwargs):
+    config = ConfigCreator(cpu_topology, interfaces, *args, **kwargs)
+    return config.create_config()
+
+def verify_master_core0(output):
+    output_yaml = yaml.safe_load(output)
+    assert type(output_yaml) is list, 'Generated YAML should be list'
+    assert len(output_yaml) is 1, 'Generated YAML should be list with 1 element'
+    output_yaml = output_yaml[0]
+    assert 'platform' in output_yaml, 'Generated YAML has no platform section:\n%s' % output
+    assert 'master_thread_id' in output_yaml['platform'], 'Generated YAML does not specify master thread id:\n%s' % output
+    assert output_yaml['platform']['master_thread_id'] is 0, 'Master thread id should be 0 in generated YAML, got:%s' % output_yaml['platform']['master_thread_id']
+
+class TRexCfgCreator_Test:
+
+    def test_vm_cfg(self):
+        cpu_topology = {0: OrderedDict([i, [i]] for i in range(5))}
+        interfaces = [{'Active': '',
+  'Class': '0200',
+  'Class_str': 'Ethernet controller',
+  'Device': 1968,
+  'Device_str': 'VMXNET3 Ethernet Controller',
+  'Driver_str': 'vmxnet3',
+  'Interface': 'ens192',
+  'Interface_argv': '0b:00.0',
+  'Module_str': 'igb_uio,vfio-pci,uio_pci_generic',
+  'NUMA': -1,
+  'PhySlot': '192',
+  'PhySlot_str': '192',
+  'ProgIf': '01',
+  'Rev': '01',
+  'Rev_str': '01',
+  'SDevice': '07b0',
+  'SDevice_str': 'VMXNET3 Ethernet Controller',
+  'SVendor': '15ad',
+  'SVendor_str': 'VMware',
+  'Slot': '0000:0b:00.0',
+  'Slot_str': '0b:00.0',
+  'Vendor': 5549,
+  'Vendor_str': 'VMware',
+  'dest_mac': '00:0c:29:92:f1:ca',
+  'src_mac': '00:0c:29:92:f1:d4',
+  'loopback_dest': True},
+ {'Active': '',
+  'Class': '0200',
+  'Class_str': 'Ethernet controller',
+  'Device': 1968,
+  'Device_str': 'VMXNET3 Ethernet Controller',
+  'Driver_str': 'vmxnet3',
+  'Interface': 'ens160',
+  'Interface_argv': '03:00.0',
+  'Module_str': 'igb_uio,vfio-pci,uio_pci_generic',
+  'NUMA': -1,
+  'PhySlot': '160',
+  'PhySlot_str': '160',
+  'ProgIf': '01',
+  'Rev': '01',
+  'Rev_str': '01',
+  'SDevice': '07b0',
+  'SDevice_str': 'VMXNET3 Ethernet Controller',
+  'SVendor': '15ad',
+  'SVendor_str': 'VMware',
+  'Slot': '0000:03:00.0',
+  'Slot_str': '03:00.0',
+  'Vendor': 5549,
+  'Vendor_str': 'VMware',
+  'dest_mac': '00:0c:29:92:f1:d4',
+  'src_mac': '00:0c:29:92:f1:ca'}]
+        golden = '''
+### Config file generated by dpdk_setup_ports.py ###
+
+- port_limit: 2
+  version: 2
+  interfaces: ['0b:00.0', '03:00.0']
+  port_info:
+      - dest_mac: [0x00, 0x0c, 0x29, 0x92, 0xf1, 0xca] # MAC OF LOOPBACK TO IT'S DUAL INTERFACE
+        src_mac:  [0x00, 0x0c, 0x29, 0x92, 0xf1, 0xd4]
+      - dest_mac: [0x00, 0x0c, 0x29, 0x92, 0xf1, 0xd4]
+        src_mac:  [0x00, 0x0c, 0x29, 0x92, 0xf1, 0xca]
+
+  platform:
+      master_thread_id: 0
+      latency_thread_id: 1
+      dual_if:
+        - socket: 0
+          threads: [2]
+'''
+        output = create_config(cpu_topology, interfaces)
+        verify_master_core0(output)
+        compare_lines(golden, output)
+        with assert_raises(CompareLinesNumDiff):
+            compare_lines('1' + golden, output)
+        output = create_config(cpu_topology, interfaces, exclude_lcores = [0])
+        with assert_raises(AssertionError):
+            verify_master_core0(output)
+        output = create_config(cpu_topology, interfaces, include_lcores = [1,2,3,4])
+        with assert_raises(AssertionError):
+            verify_master_core0(output)
+        output = create_config(cpu_topology, interfaces, include_lcores = [0,2,3,4])
+        verify_master_core0(output)
+        output = create_config(cpu_topology, interfaces, include_lcores = [0,2,3,4], exclude_lcores = [0])
+        with assert_raises(AssertionError):
+            verify_master_core0(output)
+
+    def test_trex08_cfg(self):
+        cpu_topology = OrderedDict([(0, OrderedDict([(0, [0, 16]), (1, [1, 17]), (2, [2, 18]), (3, [3, 19]), (4, [4, 20]), (5, [5, 21]), (6, [6, 22]), (7, [7, 23])])), (1, OrderedDict([(0, [8, 24]), (1, [9, 25]), (2, [10, 26]), (3, [11, 27]), (4, [12, 28]), (5, [13, 29]), (6, [14, 30]), (7, [15, 31])]))])
+        interfaces = [{'Active': '',
+  'Class': '0200',
+  'Class_str': 'Ethernet controller',
+  'Device': 5507,
+  'Device_str': 'Ethernet Controller XL710 for 40GbE QSFP+',
+  'Driver_str': 'igb_uio',
+  'Interface': '',
+  'Interface_argv': '0000:02:00.0',
+  'Module_str': 'vfio-pci,uio_pci_generic',
+  'NUMA': 0,
+  'PhySlot': '0-1',
+  'PhySlot_str': '0-1',
+  'ProgIf': '01',
+  'Rev': '01',
+  'Rev_str': '01',
+  'SDevice': '0002',
+  'SDevice_str': 'Ethernet Converged Network Adapter XL710-Q2',
+  'SVendor': '8086',
+  'SVendor_str': 'Intel Corporation',
+  'Slot': '0000:02:00.0',
+  'Slot_str': '02:00.0',
+  'Vendor': 32902,
+  'Vendor_str': 'Intel Corporation',
+  'dest_mac': '02:00:02:00:00:00',
+  'src_mac': '01:00:01:00:00:00'},
+ {'Active': '',
+  'Class': '0200',
+  'Class_str': 'Ethernet controller',
+  'Device': 5507,
+  'Device_str': 'Ethernet Controller XL710 for 40GbE QSFP+',
+  'Driver_str': 'igb_uio',
+  'Interface': '',
+  'Interface_argv': '0000:02:00.1',
+  'Module_str': 'vfio-pci,uio_pci_generic',
+  'NUMA': 0,
+  'PhySlot': '0-1',
+  'PhySlot_str': '0-1',
+  'ProgIf': '01',
+  'Rev': '01',
+  'Rev_str': '01',
+  'SDevice': '0000',
+  'SDevice_str': 'Ethernet Converged Network Adapter XL710-Q2',
+  'SVendor': '8086',
+  'SVendor_str': 'Intel Corporation',
+  'Slot': '0000:02:00.1',
+  'Slot_str': '02:00.1',
+  'Vendor': 32902,
+  'Vendor_str': 'Intel Corporation',
+  'dest_mac': '01:00:01:00:00:00',
+  'src_mac': '02:00:02:00:00:00'},
+ {'Active': '',
+  'Class': '0200',
+  'Class_str': 'Ethernet controller',
+  'Device': 5507,
+  'Device_str': 'Ethernet Controller XL710 for 40GbE QSFP+',
+  'Driver_str': 'igb_uio',
+  'Interface': '',
+  'Interface_argv': '0000:84:00.0',
+  'Module_str': 'vfio-pci,uio_pci_generic',
+  'NUMA': 1,
+  'PhySlot': '0-8',
+  'PhySlot_str': '0-8',
+  'ProgIf': '20',
+  'Rev': '01',
+  'Rev_str': '01',
+  'SDevice': '0002',
+  'SDevice_str': 'Ethernet Converged Network Adapter XL710-Q2',
+  'SVendor': '8086',
+  'SVendor_str': 'Intel Corporation',
+  'Slot': '0000:84:00.0',
+  'Slot_str': '84:00.0',
+  'Vendor': 32902,
+  'Vendor_str': 'Intel Corporation',
+  'dest_mac': '04:00:04:00:00:00',
+  'src_mac': '03:00:03:00:00:00'},
+ {'Active': '',
+  'Class': '0200',
+  'Class_str': 'Ethernet controller',
+  'Device': 5507,
+  'Device_str': 'Ethernet Controller XL710 for 40GbE QSFP+',
+  'Driver_str': 'igb_uio',
+  'Interface': '',
+  'Interface_argv': '0000:84:00.1',
+  'Module_str': 'vfio-pci,uio_pci_generic',
+  'NUMA': 1,
+  'PhySlot': '0-8',
+  'PhySlot_str': '0-8',
+  'ProgIf': '20',
+  'Rev': '01',
+  'Rev_str': '01',
+  'SDevice': '0000',
+  'SDevice_str': 'Ethernet Converged Network Adapter XL710-Q2',
+  'SVendor': '8086',
+  'SVendor_str': 'Intel Corporation',
+  'Slot': '0000:84:00.1',
+  'Slot_str': '84:00.1',
+  'Vendor': 32902,
+  'Vendor_str': 'Intel Corporation',
+  'dest_mac': '03:00:03:00:00:00',
+  'src_mac': '04:00:04:00:00:00'},
+ {'Active': '',
+  'Class': '0200',
+  'Class_str': 'Ethernet controller',
+  'Device': 5507,
+  'Device_str': 'Ethernet Controller XL710 for 40GbE QSFP+',
+  'Driver_str': 'igb_uio',
+  'Interface': '',
+  'Interface_argv': '05:00.0',
+  'Module_str': 'vfio-pci,uio_pci_generic',
+  'NUMA': 0,
+  'PhySlot': '0-3',
+  'PhySlot_str': '0-3',
+  'ProgIf': '01',
+  'Rev': '02',
+  'Rev_str': '02',
+  'SDevice': '0000',
+  'SDevice_str': 'Ethernet Converged Network Adapter XL710-Q2',
+  'SVendor': '8086',
+  'SVendor_str': 'Intel Corporation',
+  'Slot': '0000:05:00.0',
+  'Slot_str': '05:00.0',
+  'Vendor': 32902,
+  'Vendor_str': 'Intel Corporation',
+  'dest_mac': '06:00:06:00:00:00',
+  'src_mac': '05:00:05:00:00:00'},
+ {'Active': '',
+  'Class': '0200',
+  'Class_str': 'Ethernet controller',
+  'Device': 5507,
+  'Device_str': 'Ethernet Controller XL710 for 40GbE QSFP+',
+  'Driver_str': 'igb_uio',
+  'Interface': '',
+  'Interface_argv': '05:00.1',
+  'Module_str': 'vfio-pci,uio_pci_generic',
+  'NUMA': 0,
+  'PhySlot': '0-3',
+  'PhySlot_str': '0-3',
+  'ProgIf': '01',
+  'Rev': '02',
+  'Rev_str': '02',
+  'SDevice': '0000',
+  'SDevice_str': 'Ethernet Converged Network Adapter XL710-Q2',
+  'SVendor': '8086',
+  'SVendor_str': 'Intel Corporation',
+  'Slot': '0000:05:00.1',
+  'Slot_str': '05:00.1',
+  'Vendor': 32902,
+  'Vendor_str': 'Intel Corporation',
+  'dest_mac': '05:00:05:00:00:00',
+  'src_mac': '06:00:06:00:00:00'}]
+        golden = '''
+### Config file generated by dpdk_setup_ports.py ###
+
+- port_limit: 6
+  version: 2
+  interfaces: ['02:00.0', '02:00.1', '84:00.0', '84:00.1', '05:00.0', '05:00.1']
+  port_bandwidth_gb: 40
+  port_info:
+      - dest_mac: [0x02, 0x00, 0x02, 0x00, 0x00, 0x00]
+        src_mac:  [0x01, 0x00, 0x01, 0x00, 0x00, 0x00]
+      - dest_mac: [0x01, 0x00, 0x01, 0x00, 0x00, 0x00]
+        src_mac:  [0x02, 0x00, 0x02, 0x00, 0x00, 0x00]
+
+      - dest_mac: [0x04, 0x00, 0x04, 0x00, 0x00, 0x00]
+        src_mac:  [0x03, 0x00, 0x03, 0x00, 0x00, 0x00]
+      - dest_mac: [0x03, 0x00, 0x03, 0x00, 0x00, 0x00]
+        src_mac:  [0x04, 0x00, 0x04, 0x00, 0x00, 0x00]
+
+      - dest_mac: [0x06, 0x00, 0x06, 0x00, 0x00, 0x00]
+        src_mac:  [0x05, 0x00, 0x05, 0x00, 0x00, 0x00]
+      - dest_mac: [0x05, 0x00, 0x05, 0x00, 0x00, 0x00]
+        src_mac:  [0x06, 0x00, 0x06, 0x00, 0x00, 0x00]
+
+  platform:
+      master_thread_id: 0
+      latency_thread_id: 16
+      dual_if:
+        - socket: 0
+          threads: [1,17,2,18,3,19,4]
+
+        - socket: 1
+          threads: [8,24,9,25,10,26,11]
+
+        - socket: 0
+          threads: [20,5,21,6,22,7,23]
+'''
+        output = create_config(cpu_topology, interfaces)
+        verify_master_core0(output)
+        compare_lines(golden, output)
+
+        interfaces = [{'Active': '',
+  'Class': '0200',
+  'Class_str': 'Ethernet controller',
+  'Device': 5507,
+  'Device_str': 'Ethernet Controller XL710 for 40GbE QSFP+',
+  'Driver_str': 'igb_uio',
+  'Interface': '',
+  'Interface_argv': '0000:02:00.0',
+  'Module_str': 'vfio-pci,uio_pci_generic',
+  'NUMA': 0,
+  'PhySlot': '0-1',
+  'PhySlot_str': '0-1',
+  'ProgIf': '01',
+  'Rev': '01',
+  'Rev_str': '01',
+  'SDevice': '0002',
+  'SDevice_str': 'Ethernet Converged Network Adapter XL710-Q2',
+  'SVendor': '8086',
+  'SVendor_str': 'Intel Corporation',
+  'Slot': '0000:02:00.0',
+  'Slot_str': '02:00.0',
+  'Vendor': 32902,
+  'Vendor_str': 'Intel Corporation',
+  'dest_mac': '02:00:02:00:00:00',
+  'src_mac': '01:00:01:00:00:00'},
+ {'Active': '',
+  'Class': '0200',
+  'Class_str': 'Ethernet controller',
+  'Device': 5507,
+  'Device_str': 'Ethernet Controller XL710 for 40GbE QSFP+',
+  'Driver_str': 'igb_uio',
+  'Interface': '',
+  'Interface_argv': '0000:02:00.1',
+  'Module_str': 'vfio-pci,uio_pci_generic',
+  'NUMA': 0,
+  'PhySlot': '0-1',
+  'PhySlot_str': '0-1',
+  'ProgIf': '01',
+  'Rev': '01',
+  'Rev_str': '01',
+  'SDevice': '0000',
+  'SDevice_str': 'Ethernet Converged Network Adapter XL710-Q2',
+  'SVendor': '8086',
+  'SVendor_str': 'Intel Corporation',
+  'Slot': '0000:02:00.1',
+  'Slot_str': '02:00.1',
+  'Vendor': 32902,
+  'Vendor_str': 'Intel Corporation',
+  'dest_mac': '01:00:01:00:00:00',
+  'src_mac': '02:00:02:00:00:00'},
+ {'Active': '',
+  'Class': '0200',
+  'Class_str': 'Ethernet controller',
+  'Device': 5507,
+  'Device_str': 'Ethernet Controller XL710 for 40GbE QSFP+',
+  'Driver_str': 'igb_uio',
+  'Interface': '',
+  'Interface_argv': '0000:84:00.0',
+  'Module_str': 'vfio-pci,uio_pci_generic',
+  'NUMA': 1,
+  'PhySlot': '0-8',
+  'PhySlot_str': '0-8',
+  'ProgIf': '20',
+  'Rev': '01',
+  'Rev_str': '01',
+  'SDevice': '0002',
+  'SDevice_str': 'Ethernet Converged Network Adapter XL710-Q2',
+  'SVendor': '8086',
+  'SVendor_str': 'Intel Corporation',
+  'Slot': '0000:84:00.0',
+  'Slot_str': '84:00.0',
+  'Vendor': 32902,
+  'Vendor_str': 'Intel Corporation',
+  'dest_mac': '04:00:04:00:00:00',
+  'src_mac': '03:00:03:00:00:00'},
+ {'Active': '',
+  'Class': '0200',
+  'Class_str': 'Ethernet controller',
+  'Device': 5507,
+  'Device_str': 'Ethernet Controller XL710 for 40GbE QSFP+',
+  'Driver_str': 'igb_uio',
+  'Interface': '',
+  'Interface_argv': '0000:84:00.1',
+  'Module_str': 'vfio-pci,uio_pci_generic',
+  'NUMA': 1,
+  'PhySlot': '0-8',
+  'PhySlot_str': '0-8',
+  'ProgIf': '20',
+  'Rev': '01',
+  'Rev_str': '01',
+  'SDevice': '0000',
+  'SDevice_str': 'Ethernet Converged Network Adapter XL710-Q2',
+  'SVendor': '8086',
+  'SVendor_str': 'Intel Corporation',
+  'Slot': '0000:84:00.1',
+  'Slot_str': '84:00.1',
+  'Vendor': 32902,
+  'Vendor_str': 'Intel Corporation',
+  'dest_mac': '03:00:03:00:00:00',
+  'src_mac': '04:00:04:00:00:00'}]
+        golden = '''
+### Config file generated by dpdk_setup_ports.py ###
+
+- port_limit: 4
+  version: 2
+  interfaces: ['02:00.0', '02:00.1', '84:00.0', '84:00.1']
+  port_bandwidth_gb: 40
+  port_info:
+      - dest_mac: [0x02, 0x00, 0x02, 0x00, 0x00, 0x00]
+        src_mac:  [0x01, 0x00, 0x01, 0x00, 0x00, 0x00]
+      - dest_mac: [0x01, 0x00, 0x01, 0x00, 0x00, 0x00]
+        src_mac:  [0x02, 0x00, 0x02, 0x00, 0x00, 0x00]
+
+      - dest_mac: [0x04, 0x00, 0x04, 0x00, 0x00, 0x00]
+        src_mac:  [0x03, 0x00, 0x03, 0x00, 0x00, 0x00]
+      - dest_mac: [0x03, 0x00, 0x03, 0x00, 0x00, 0x00]
+        src_mac:  [0x04, 0x00, 0x04, 0x00, 0x00, 0x00]
+
+  platform:
+      master_thread_id: 0
+      latency_thread_id: 31
+      dual_if:
+        - socket: 0
+          threads: [1,17,2,18,3,19,4,20,5,21,6,22,7,23,16]
+
+        - socket: 1
+          threads: [8,24,9,25,10,26,11,27,12,28,13,29,14,30,15]
+'''
+        output = create_config(cpu_topology, interfaces)
+        verify_master_core0(output)
+        compare_lines(golden, output)
+
+        interfaces = [{'Active': '',
+  'Class': '0200',
+  'Class_str': 'Ethernet controller',
+  'Device': 5507,
+  'Device_str': 'Ethernet Controller XL710 for 40GbE QSFP+',
+  'Driver_str': 'igb_uio',
+  'Interface': '',
+  'Interface_argv': '0000:02:00.0',
+  'Module_str': 'vfio-pci,uio_pci_generic',
+  'NUMA': 0,
+  'PhySlot': '0-1',
+  'PhySlot_str': '0-1',
+  'ProgIf': '01',
+  'Rev': '01',
+  'Rev_str': '01',
+  'SDevice': '0002',
+  'SDevice_str': 'Ethernet Converged Network Adapter XL710-Q2',
+  'SVendor': '8086',
+  'SVendor_str': 'Intel Corporation',
+  'Slot': '0000:02:00.0',
+  'Slot_str': '02:00.0',
+  'Vendor': 32902,
+  'Vendor_str': 'Intel Corporation',
+  'dest_mac': '02:00:02:00:00:00',
+  'src_mac': '01:00:01:00:00:00'},
+ {'Active': '',
+  'Class': '0200',
+  'Class_str': 'Ethernet controller',
+  'Device': 5507,
+  'Device_str': 'Ethernet Controller XL710 for 40GbE QSFP+',
+  'Driver_str': 'igb_uio',
+  'Interface': '',
+  'Interface_argv': '0000:02:00.1',
+  'Module_str': 'vfio-pci,uio_pci_generic',
+  'NUMA': 0,
+  'PhySlot': '0-1',
+  'PhySlot_str': '0-1',
+  'ProgIf': '01',
+  'Rev': '01',
+  'Rev_str': '01',
+  'SDevice': '0000',
+  'SDevice_str': 'Ethernet Converged Network Adapter XL710-Q2',
+  'SVendor': '8086',
+  'SVendor_str': 'Intel Corporation',
+  'Slot': '0000:02:00.1',
+  'Slot_str': '02:00.1',
+  'Vendor': 32902,
+  'Vendor_str': 'Intel Corporation',
+  'dest_mac': '01:00:01:00:00:00',
+  'src_mac': '02:00:02:00:00:00'},
+ {'Active': '',
+  'Class': '0200',
+  'Class_str': 'Ethernet controller',
+  'Device': 5507,
+  'Device_str': 'Ethernet Controller XL710 for 40GbE QSFP+',
+  'Driver_str': 'igb_uio',
+  'Interface': '',
+  'Interface_argv': '05:00.0',
+  'Module_str': 'vfio-pci,uio_pci_generic',
+  'NUMA': 0,
+  'PhySlot': '0-3',
+  'PhySlot_str': '0-3',
+  'ProgIf': '01',
+  'Rev': '02',
+  'Rev_str': '02',
+  'SDevice': '0000',
+  'SDevice_str': 'Ethernet Converged Network Adapter XL710-Q2',
+  'SVendor': '8086',
+  'SVendor_str': 'Intel Corporation',
+  'Slot': '0000:05:00.0',
+  'Slot_str': '05:00.0',
+  'Vendor': 32902,
+  'Vendor_str': 'Intel Corporation',
+  'dest_mac': '04:00:04:00:00:00',
+  'src_mac': '03:00:03:00:00:00'},
+ {'Active': '',
+  'Class': '0200',
+  'Class_str': 'Ethernet controller',
+  'Device': 5507,
+  'Device_str': 'Ethernet Controller XL710 for 40GbE QSFP+',
+  'Driver_str': 'igb_uio',
+  'Interface': '',
+  'Interface_argv': '05:00.1',
+  'Module_str': 'vfio-pci,uio_pci_generic',
+  'NUMA': 0,
+  'PhySlot': '0-3',
+  'PhySlot_str': '0-3',
+  'ProgIf': '01',
+  'Rev': '02',
+  'Rev_str': '02',
+  'SDevice': '0000',
+  'SDevice_str': 'Ethernet Converged Network Adapter XL710-Q2',
+  'SVendor': '8086',
+  'SVendor_str': 'Intel Corporation',
+  'Slot': '0000:05:00.1',
+  'Slot_str': '05:00.1',
+  'Vendor': 32902,
+  'Vendor_str': 'Intel Corporation',
+  'dest_mac': '03:00:03:00:00:00',
+  'src_mac': '04:00:04:00:00:00'}]
+        golden = '''
+### Config file generated by dpdk_setup_ports.py ###
+
+- port_limit: 4
+  version: 2
+  interfaces: ['02:00.0', '02:00.1', '05:00.0', '05:00.1']
+  port_bandwidth_gb: 40
+  port_info:
+      - dest_mac: [0x02, 0x00, 0x02, 0x00, 0x00, 0x00]
+        src_mac:  [0x01, 0x00, 0x01, 0x00, 0x00, 0x00]
+      - dest_mac: [0x01, 0x00, 0x01, 0x00, 0x00, 0x00]
+        src_mac:  [0x02, 0x00, 0x02, 0x00, 0x00, 0x00]
+
+      - dest_mac: [0x04, 0x00, 0x04, 0x00, 0x00, 0x00]
+        src_mac:  [0x03, 0x00, 0x03, 0x00, 0x00, 0x00]
+      - dest_mac: [0x03, 0x00, 0x03, 0x00, 0x00, 0x00]
+        src_mac:  [0x04, 0x00, 0x04, 0x00, 0x00, 0x00]
+
+  platform:
+      master_thread_id: 0
+      latency_thread_id: 16
+      dual_if:
+        - socket: 0
+          threads: [1,17,2,18,3,19,4]
+
+        - socket: 0
+          threads: [20,5,21,6,22,7,23]
+'''
+        output = create_config(cpu_topology, interfaces)
+        verify_master_core0(output)
+        compare_lines(golden, output)
+
+    def test_cfg_negative(self):
+        cpu_topology = OrderedDict([(0, OrderedDict([(0, [0, 16]), (1, [1, 17]), (2, [2, 18]), (3, [3, 19]), (4, [4, 20]), (5, [5, 21]), (6, [6, 22]), (7, [7, 23])])), (1, OrderedDict([(0, [8, 24]), (1, [9, 25]), (2, [10, 26]), (3, [11, 27]), (4, [12, 28]), (5, [13, 29]), (6, [14, 30]), (7, [15, 31])]))])
+        interfaces = [{'Active': '',
+  'Class': '0200',
+  'Class_str': 'Ethernet controller',
+  'Device': 5507,
+  'Device_str': 'Ethernet Controller XL710 for 40GbE QSFP+',
+  'Driver_str': 'igb_uio',
+  'Interface': '',
+  'Interface_argv': '0000:02:00.0',
+  'Module_str': 'vfio-pci,uio_pci_generic',
+  'NUMA': 0,
+  'PhySlot': '0-1',
+  'PhySlot_str': '0-1',
+  'ProgIf': '01',
+  'Rev': '01',
+  'Rev_str': '01',
+  'SDevice': '0002',
+  'SDevice_str': 'Ethernet Converged Network Adapter XL710-Q2',
+  'SVendor': '8086',
+  'SVendor_str': 'Intel Corporation',
+  'Slot': '0000:02:00.0',
+  'Slot_str': '02:00.0',
+  'Vendor': 32902,
+  'Vendor_str': 'Intel Corporation',
+  'dest_mac': '02:00:02:00:00:00',
+  'src_mac': '01:00:01:00:00:00'},
+ {'Active': '',
+  'Class': '0200',
+  'Class_str': 'Ethernet controller',
+  'Device': 5507,
+  'Device_str': 'Ethernet Controller XL710 for 40GbE QSFP+',
+  'Driver_str': 'igb_uio',
+  'Interface': '',
+  'Interface_argv': '0000:02:00.1',
+  'Module_str': 'vfio-pci,uio_pci_generic',
+  'NUMA': 0,
+  'PhySlot': '0-1',
+  'PhySlot_str': '0-1',
+  'ProgIf': '01',
+  'Rev': '01',
+  'Rev_str': '01',
+  'SDevice': '0000',
+  'SDevice_str': 'Ethernet Converged Network Adapter XL710-Q2',
+  'SVendor': '8086',
+  'SVendor_str': 'Intel Corporation',
+  'Slot': '0000:02:00.1',
+  'Slot_str': '02:00.1',
+  'Vendor': 32902,
+  'Vendor_str': 'Intel Corporation',
+  'dest_mac': '01:00:01:00:00:00',
+  'src_mac': '02:00:02:00:00:00'}]
+        # types errors
+        with assert_raises(AssertionError):
+            create_config(None, None)
+        with assert_raises(AssertionError):
+            create_config(cpu_topology, None)
+        with assert_raises(AssertionError):
+            create_config(None, interfaces)
+        with assert_raises(AssertionError):
+            create_config(cpu_topology, [])
+        with assert_raises(AssertionError):
+            create_config({}, interfaces)
+        with assert_raises(AssertionError):
+            create_config({}, [])
+        # not enough cores at NUMA 0
+        with assert_raises(DpdkSetup):
+            create_config({0:{0:[]}, 1:{0:[1,2,3,4,5,6,7]}}, interfaces)
+        with assert_raises(DpdkSetup):
+            create_config({0:{0:[1]}, 1:{0:[3]}}, interfaces)
+        with assert_raises(DpdkSetup):
+            create_config({0:{0:[1,2]}}, interfaces)
+        # no NUMA 0 info, NICs at NUMA 0
+        cpu_topo1 = copy.deepcopy(cpu_topology)
+        del cpu_topo1[0]
+        with assert_raises(KeyError):
+            create_config(cpu_topo1, interfaces)
+        int1 = copy.deepcopy(interfaces)
+        for interface in int1:
+            interface['NUMA'] = 1
+        # now should work, as interfaces use NUMA 1
+        create_config(cpu_topo1, int1)
+        int2 = copy.deepcopy(interfaces)
+        int2[1]['NUMA'] = 1
+        # interfaces on different NUMAs
+        with assert_raises(DpdkSetup):
+            create_config(cpu_topology, int2)
+
+
+    def test_inner_comparator(self):
+        compare_lines('', '')
+        compare_lines('one\ntwo', 'one\ntwo')
+        with assert_raises(CompareLinesNumDiff):
+            compare_lines('one\ntwo', 'one\ntwo\nthree')
+        with assert_raises(CompareLinesDiff):
+            compare_lines('one\ntwo', 'one\ntwo1')
+        with assert_raises(CompareLinesDiff):
+            compare_lines('one\ntwo', 'one\nthree')
+        with assert_raises(CompareTypeErr):
+            compare_lines(None, 'one\nthree')
+        with assert_raises(CompareTypeErr):
+            compare_lines('one\ntwo', None)
+        with assert_raises(CompareTypeErr):
+            compare_lines(None, None)
+
+    @classmethod
+    def tearDownClass(cls):
+        sys.path.remove(CTRexScenario.scripts_path)
+        del sys.modules['dpdk_setup_ports']