+| | ... | *Arguments:*
+| | ... | - bd_id1 - Bridge domain ID. Type: integer
+| | ... | - bd_id2 - Bridge domain ID. Type: integer
+| | ... | - sock1 - Sock path for first Vhost-User interface. Type: string
+| | ... | - sock2 - Sock path for second Vhost-User interface. Type: string
+| | ... | - subid - ID of the sub-interface to be created. Type: string
+| | ... | - tag_rewrite - Method of tag rewrite. Type: string
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Initialize L2 bridge domains with Vhost-User and VLAN with DPDK\
+| | ... | link bonding in a 3-node circular topology \| 1 \| 2 \| /tmp/sock1 \
+| | ... | \| /tmp/sock2 \| 10 \| pop-1 \|
+| | ...
+| | [Arguments] | ${bd_id1} | ${bd_id2} | ${sock1} | ${sock2} | ${subid}
+| | ... | ${tag_rewrite}
+| | ...
+| | Set interfaces in path up
+| | Add DPDK bonded ethernet interfaces to topology file in 3-node single link topology
+| | Set Interface State | ${dut1} | ${dut1_eth_bond_if1} | up
+| | VPP Set interface MTU | ${dut1} | ${dut1_eth_bond_if1}
+| | Set Interface State | ${dut2} | ${dut2_eth_bond_if1} | up
+| | VPP Set interface MTU | ${dut2} | ${dut2_eth_bond_if1}
+| | Initialize VLAN dot1q sub-interfaces in circular topology
+| | ... | ${dut1} | ${dut1_eth_bond_if1} | ${dut2} | ${dut2_eth_bond_if1}
+| | ... | ${subid}
+| | Configure L2 tag rewrite method on interfaces
+| | ... | ${dut1} | ${subif_index_1} | ${dut2} | ${subif_index_2}
+| | ... | ${tag_rewrite}
+| | Configure vhost interfaces for L2BD forwarding | ${dut1}
+| | ... | ${sock1} | ${sock2}
+| | Add interface to bridge domain | ${dut1} | ${dut1_if1} | ${bd_id1}
+| | Add interface to bridge domain | ${dut1} | ${vhost_if1} | ${bd_id1}
+| | Add interface to bridge domain | ${dut1} | ${vhost_if2} | ${bd_id2}
+| | Add interface to bridge domain | ${dut1} | ${subif_index_1} | ${bd_id2}
+| | Configure vhost interfaces for L2BD forwarding | ${dut2}
+| | ... | ${sock1} | ${sock2}
+| | Add interface to bridge domain | ${dut2} | ${subif_index_2} | ${bd_id1}
+| | Add interface to bridge domain | ${dut2} | ${vhost_if1} | ${bd_id1}
+| | Add interface to bridge domain | ${dut2} | ${vhost_if2} | ${bd_id2}
+| | Add interface to bridge domain | ${dut2} | ${dut2_if2} | ${bd_id2}
+
+| Initialize L2 bridge domains with Vhost-User and VLAN with VPP link bonding in a 3-node circular topology
+| | [Documentation]
+| | ... | Create two Vhost-User interfaces on all defined VPP nodes. Create one
+| | ... | link bonding (BondEthernet) interface on both VPP nodes. Enslave one
+| | ... | physical interface towards next DUT by BondEthernet interface. Setup
+| | ... | VLAN on BondEthernet interfaces between DUTs. Add one Vhost-User
+| | ... | interface into L2 bridge domains with learning enabled with physical
+| | ... | interface towards TG and other Vhost-User interface into L2 bridge
+| | ... | domains with learning enabled with VLAN sub-interface. All interfaces
+| | ... | are brought up.
+| | ...
+| | ... | *Arguments:*
+| | ... | - bd_id1 - Bridge domain ID. Type: integer
+| | ... | - bd_id2 - Bridge domain ID. Type: integer
+| | ... | - sock1 - Sock path for first Vhost-User interface. Type: string
+| | ... | - sock2 - Sock path for second Vhost-User interface. Type: string
+| | ... | - subid - ID of the sub-interface to be created. Type: string
+| | ... | - tag_rewrite - Method of tag rewrite. Type: string
+| | ... | - bond_mode - Link bonding mode. Type: string
+| | ... | - lb_mode - Load balance mode. Type: string
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Initialize L2 bridge domains with Vhost-User and VLAN with VPP\
+| | ... | link bonding in a 3-node circular topology \| 1 \| 2 \| /tmp/sock1 \
+| | ... | \| /tmp/sock2 \| 10 \| pop-1 \| xor \| l34 \|
+| | ...
+| | [Arguments] | ${bd_id1} | ${bd_id2} | ${sock1} | ${sock2} | ${subid}
+| | ... | ${tag_rewrite} | ${bond_mode} | ${lb_mode}
+| | ...
+| | Set interfaces in path up
+| | ${dut1_eth_bond_if1}= | VPP Create Bond Interface | ${dut1} | ${bond_mode}
+| | ... | ${lb_mode}
+| | Set Interface State | ${dut1} | ${dut1_eth_bond_if1} | up
+| | VPP Set interface MTU | ${dut1} | ${dut1_eth_bond_if1}
+| | ${if2_status} | ${value}= | Run Keyword And Ignore Error
+| | ... | Variable Should Exist | ${dut1_if2}
+| | Run Keyword If | '${if2_status}' == 'PASS'
+| | ... | VPP Enslave Physical Interface | ${dut1} | ${dut1_if2}
+| | ... | ${dut1_eth_bond_if1}
+| | ... | ELSE
+| | ... | VPP Enslave Physical Interface | ${dut1} | ${dut1_if2_1}
+| | ... | ${dut1_eth_bond_if1}
+| | Run Keyword Unless | '${if2_status}' == 'PASS'
+| | ... | VPP Enslave Physical Interface | ${dut1} | ${dut1_if2_2}
+| | ... | ${dut1_eth_bond_if1}
+| | ${dut2_eth_bond_if1}= | VPP Create Bond Interface | ${dut2} | ${bond_mode}
+| | ... | ${lb_mode}
+| | Set Interface State | ${dut2} | ${dut2_eth_bond_if1} | up
+| | VPP Set interface MTU | ${dut2} | ${dut2_eth_bond_if1}
+| | ${if1_status} | ${value}= | Run Keyword And Ignore Error
+| | ... | Variable Should Exist | ${dut2_if1}
+| | Run Keyword If | '${if1_status}' == 'PASS'
+| | ... | VPP Enslave Physical Interface | ${dut2} | ${dut2_if1}
+| | ... | ${dut2_eth_bond_if1}
+| | ... | ELSE
+| | ... | VPP Enslave Physical Interface | ${dut2} | ${dut2_if1_1}
+| | ... | ${dut2_eth_bond_if1}
+| | Run Keyword Unless | '${if2_status}' == 'PASS'
+| | ... | VPP Enslave Physical Interface | ${dut2} | ${dut2_if1_2}
+| | ... | ${dut2_eth_bond_if1}
+| | VPP Show Bond Data On All Nodes | ${nodes} | details=${TRUE}
+| | Initialize VLAN dot1q sub-interfaces in circular topology
+| | ... | ${dut1} | ${dut1_eth_bond_if1} | ${dut2} | ${dut2_eth_bond_if1}
+| | ... | ${subid}
+| | Configure L2 tag rewrite method on interfaces
+| | ... | ${dut1} | ${subif_index_1} | ${dut2} | ${subif_index_2}
+| | ... | ${tag_rewrite}
+| | Configure vhost interfaces for L2BD forwarding | ${dut1}
+| | ... | ${sock1} | ${sock2}
+| | Add interface to bridge domain | ${dut1} | ${dut1_if1} | ${bd_id1}
+| | Add interface to bridge domain | ${dut1} | ${vhost_if1} | ${bd_id1}
+| | Add interface to bridge domain | ${dut1} | ${vhost_if2} | ${bd_id2}
+| | Add interface to bridge domain | ${dut1} | ${subif_index_1} | ${bd_id2}
+| | Configure vhost interfaces for L2BD forwarding | ${dut2}
+| | ... | ${sock1} | ${sock2}
+| | Add interface to bridge domain | ${dut2} | ${subif_index_2} | ${bd_id1}
+| | Add interface to bridge domain | ${dut2} | ${vhost_if1} | ${bd_id1}
+| | Add interface to bridge domain | ${dut2} | ${vhost_if2} | ${bd_id2}
+| | Add interface to bridge domain | ${dut2} | ${dut2_if2} | ${bd_id2}
+
+| Add PCI devices to all DUTs
+| | [Documentation]
+| | ... | Add PCI devices to VPP configuration file.
+| | ...
+| | ${duts}= | Get Matches | ${nodes} | DUT*
+| | :FOR | ${dut} | IN | @{duts}
+| | | ${if1_status} | ${value}= | Run Keyword And Ignore Error
+| | | ... | Variable Should Exist | ${${dut}_if1}
+| | | ${if1_pci}= | Run Keyword If | '${if1_status}' == 'PASS'
+| | | ... | Get Interface PCI Addr | ${nodes['${dut}']} | ${${dut}_if1}
+| | | ${if1_1_pci}= | Run Keyword Unless | '${if1_status}' == 'PASS'
+| | | ... | Get Interface PCI Addr | ${nodes['${dut}']} | ${${dut}_if1_1}
+| | | ${if1_2_pci}= | Run Keyword Unless | '${if1_status}' == 'PASS'
+| | | ... | Get Interface PCI Addr | ${nodes['${dut}']} | ${${dut}_if1_2}
+| | | ${if2_status} | ${value}= | Run Keyword And Ignore Error
+| | | ... | Variable Should Exist | ${${dut}_if2}
+| | | ${if2_pci}= | Run Keyword If | '${if2_status}' == 'PASS'
+| | | ... | Get Interface PCI Addr | ${nodes['${dut}']} | ${${dut}_if2}
+| | | ${if2_1_pci}= | Run Keyword Unless | '${if2_status}' == 'PASS'
+| | | ... | Get Interface PCI Addr | ${nodes['${dut}']} | ${${dut}_if2_1}
+| | | ${if2_2_pci}= | Run Keyword Unless | '${if2_status}' == 'PASS'
+| | | ... | Get Interface PCI Addr | ${nodes['${dut}']} | ${${dut}_if2_2}
+| | | @{pci_devs}= | Run Keyword If | '${if1_status}' == 'PASS'
+| | | ... | Create List | ${if1_pci}
+| | | ... | ELSE
+| | | ... | Create List | ${if1_1_pci} | ${if1_2_pci}
+| | | Run Keyword If | '${if2_status}' == 'PASS'
+| | | ... | Append To List | ${pci_devs} | ${if2_pci}
+| | | ... | ELSE
+| | | ... | Append To List | ${pci_devs} | ${if2_1_pci} | ${if2_2_pci}
+| | | Run keyword | ${dut}.Add DPDK Dev | @{pci_devs}
+| | | Run Keyword If | '${if1_status}' == 'PASS'
+| | | ... | Set Test Variable | ${${dut}_if1_pci} | ${if1_pci}
+| | | Run Keyword Unless | '${if1_status}' == 'PASS'
+| | | ... | Set Test Variable | ${${dut}_if1_1_pci} | ${if1_1_pci}
+| | | Run Keyword Unless | '${if1_status}' == 'PASS'
+| | | ... | Set Test Variable | ${${dut}_if1_2_pci} | ${if1_2_pci}
+| | | Run Keyword If | '${if2_status}' == 'PASS'
+| | | ... | Set Test Variable | ${${dut}_if2_pci} | ${if2_pci}
+| | | Run Keyword Unless | '${if2_status}' == 'PASS'
+| | | ... | Set Test Variable | ${${dut}_if2_1_pci} | ${if2_1_pci}
+| | | Run Keyword Unless | '${if2_status}' == 'PASS'
+| | | ... | Set Test Variable | ${${dut}_if2_2_pci} | ${if2_2_pci}
+
+| Add single PCI device to all DUTs
+| | [Documentation]
+| | ... | Add single (first) PCI device on DUT1 and single (last) PCI device on
+| | ... | DUT2 to VPP configuration file.
+| | ...
+| | ${duts}= | Get Matches | ${nodes} | DUT*
+| | :FOR | ${dut} | IN | @{duts}
+| | | ${if1_pci}= | Get Interface PCI Addr | ${nodes['${dut}']} | ${${dut}_if1}
+| | | Run keyword | ${dut}.Add DPDK Dev | ${if1_pci}
+| | | Set Test Variable | ${${dut}_if1_pci} | ${if1_pci}
+
+| Add VLAN strip offload switch off between DUTs in 3-node single link topology
+| | [Documentation]
+| | ... | Add VLAN Strip Offload switch off on PCI devices between DUTs to VPP
+| | ... | configuration file.
+| | ...
+| | Run keyword | DUT1.Add DPDK Dev Parameter | ${dut1_if2_pci}
+| | ... | vlan-strip-offload | off
+| | Run keyword | DUT2.Add DPDK Dev Parameter | ${dut2_if1_pci}
+| | ... | vlan-strip-offload | off
+
+| Add VLAN strip offload switch off between DUTs in 3-node double link topology
+| | [Documentation]
+| | ... | Add VLAN Strip Offload switch off on PCI devices between DUTs to VPP
+| | ... | configuration file.
+| | ...
+| | Run keyword | DUT1.Add DPDK Dev Parameter | ${dut1_if2_1_pci}
+| | ... | vlan-strip-offload | off
+| | Run keyword | DUT1.Add DPDK Dev Parameter | ${dut1_if2_2_pci}
+| | ... | vlan-strip-offload | off
+| | Run keyword | DUT2.Add DPDK Dev Parameter | ${dut2_if1_1_pci}
+| | ... | vlan-strip-offload | off
+| | Run keyword | DUT2.Add DPDK Dev Parameter | ${dut2_if1_2_pci}
+| | ... | vlan-strip-offload | off
+
+| Add DPDK bonded ethernet interfaces to DUTs in 3-node single link topology
+| | [Documentation]
+| | ... | Add DPDK bonded Ethernet interfaces with mode XOR and transmit policy
+| | ... | l34 to VPP configuration file.
+| | ...
+| | Run keyword | DUT1.Add DPDK Eth Bond Dev | 0 | 2 | l34 | ${dut1_if2_pci}
+| | Run keyword | DUT2.Add DPDK Eth Bond Dev | 0 | 2 | l34 | ${dut2_if1_pci}
+
+| Add DPDK bonded ethernet interfaces to topology file in 3-node single link topology
+| | Add Eth Interface | ${dut1} | ${dut1_eth_bond_if1_name} | ifc_pfx=eth_bond
+| | Add Eth Interface | ${dut2} | ${dut2_eth_bond_if1_name} | ifc_pfx=eth_bond
+
+| Configure guest VM with dpdk-testpmd connected via vhost-user
+| | [Documentation]
+| | ... | Start QEMU guest with two vhost-user interfaces and interconnecting\
+| | ... | DPDK testpmd.