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# Copyright (c) 2020 Cisco 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.

*** Settings ***
| Library | resources.libraries.python.L2Util
| Library | resources.libraries.python.InterfaceUtil

*** Keywords ***
| Configure L2XC
| | [Documentation]
| | ... | Setup Bidirectional Cross Connect on DUTs
| |
| | ... | *Arguments:*
| | ... | - dut - DUT node. Type: string
| | ... | - if1 - First interface. Type: string
| | ... | - if2 - Second interface. Type: string
| |
| | ... | *Example:*
| |
| | ... | \| Initialize L2 cross connect on node \| DUT1 \| 1 \|
| |
| | [Arguments] | ${dut} | ${if1} | ${if2}
| |
| | Set Interface State | ${dut} | ${if1} | up
| | Set Interface State | ${dut} | ${if2} | up
| | Vpp Setup Bidirectional Cross Connect | ${dut} | ${if1} | ${if2}

| Initialize L2 cross connect on node
| | [Documentation]
| | ... | Setup L2 cross connect topology by connecting RX/TX of two interfaces
| | ... | on each DUT. Interfaces are brought up.
| |
| | ... | *Arguments:*
| | ... | - dut - DUT node. Type: string
| | ... | - count - Number of interfaces pairs to connect. Type: integer
| |
| | ... | *Example:*
| |
| | ... | \| Initialize L2 cross connect on node \| DUT1 \| 1 \|
| |
| | [Arguments] | ${dut} | ${count}=${1}
| |
| | FOR | ${id} | IN RANGE | 1 | ${count} + 1
| | | VPP Setup Bidirectional Cross Connect | ${nodes['${dut}']}
| | | ... | ${${dut}_${int}1_${id}}[0] | ${${dut}_${int}2_${id}}[0]
| | END

| Initialize L2 cross connect
| | [Documentation]
| | ... | Setup L2 cross connect topology by connecting RX/TX of two interfaces
| | ... | on each DUT. Interfaces are brought up.
| |
| | ... | *Arguments:*
| | ... | - count - Number of interfaces pairs to connect. Type: integer
| |
| | ... | *Example:*
| |
| | ... | \| Initialize L2 cross connect \| 1 \|
| |
| | [Arguments] | ${count}=${1}
| |
| | FOR | ${dut} | IN | @{duts}
| | | Initialize L2 cross connect on node | ${dut} | count=${count}
| | END

| Initialize L2 xconnect with VXLANoIPv4 in 3-node circular topology
| | [Documentation]
| | ... | Setup L2 xconnect topology with VXLANoIPv4 by cross connecting
| | ... | physical and vxlan interfaces on each DUT. All interfaces are brought
| | ... | up. IPv4 addresses with prefix /24 are configured on interfaces
| | ... | between DUTs. VXLAN sub-interfaces has same IPv4 address as
| | ... | interfaces.
| |
| | Set interfaces in path up
| | VPP Interface Set IP Address
| | ... | ${dut1} | ${DUT1_${int}2}[0] | 172.16.0.1 | 24
| | VPP Interface Set IP Address
| | ... | ${dut2} | ${DUT2_${int}1}[0] | 172.16.0.2 | 24
| | VPP Add IP Neighbor
| | ... | ${dut1} | ${DUT1_${int}2}[0] | 172.16.0.2 | ${DUT2_${int}1_mac}[0]
| | VPP Add IP Neighbor
| | ... | ${dut2} | ${DUT2_${int}1}[0] | 172.16.0.1 | ${DUT1_${int}2_mac}[0]
| | ${dut1s_vxlan}= | Create VXLAN interface
| | ... | ${dut1} | 24 | 172.16.0.1 | 172.16.0.2
| | Configure L2XC
| | ... | ${dut1} | ${DUT1_${int}1}[0] | ${dut1s_vxlan}
| | ${dut2s_vxlan}= | Create VXLAN interface
| | ... | ${dut2} | 24 | 172.16.0.2 | 172.16.0.1
| | Configure L2XC
| | ... | ${dut2} | ${DUT2_${int}2}[0] | ${dut2s_vxlan}

| Initialize L2 xconnect with Vhost-User on node
| | [Documentation]
| | ... | Create pairs of Vhost-User interfaces for defined number of VMs on
| | ... | defined VPP node. Add each Vhost-User interface into L2 cross-connect
| | ... | with with physical inteface or Vhost-User interface of another VM.
| |
| | ... | *Arguments:*
| | ... | - dut - DUT node. Type: string
| | ... | - nf_nodes - VM count. Type: integer
| | ... | - virtio_feature_mask - Enabled Virtio features (Optional).
| | ... | Type: integer
| |
| | ... | *Note:*
| | ... | Socket paths for VM are defined in following format:
| | ... | - /tmp/sock-\${VM_ID}-1
| | ... | - /tmp/sock-\${VM_ID}-2
| |
| | ... | *Example:*
| |
| | ... | \| Initialize L2 xconnect with Vhost-User on node \| DUT1 \| 1 \|
| |
| | [Arguments] | ${dut} | ${nf_nodes}=${1} | ${virtio_feature_mask}=${None}
| |
| | FOR | ${number} | IN RANGE | 1 | ${nf_nodes}+1
| | | ${sock1}= | Set Variable | /run/vpp/sock-${number}-1
| | | ${sock2}= | Set Variable | /run/vpp/sock-${number}-2
| | | ${prev_index}= | Evaluate | ${number}-1
| | | Configure vhost interfaces | ${nodes['${dut}']}
| | | ... | ${sock1} | ${sock2} | ${dut}-vhost-${number}-if1
| | | ... | ${dut}-vhost-${number}-if2
| | | ... | virtio_feature_mask=${virtio_feature_mask}
| | | ${dut_xconnect_if1}= | Set Variable If | ${number}==1
| | | ... | ${${dut}_${int}1}[0]
| | | ... | ${${dut}-vhost-${prev_index}-if2}
| | | Configure L2XC | ${nodes['${dut}']} | ${dut_xconnect_if1}
| | | ... | ${${dut}-vhost-${number}-if1}
| | | Run Keyword If | ${number}==${nf_nodes} | Configure L2XC
| | | ... | ${nodes['${dut}']} | ${${dut}-vhost-${number}-if2}
| | | ... | ${${dut}_${int}2}[0]
| | END

| Initialize L2 xconnect with Vhost-User
| | [Documentation]
| | ... | Create pairs of Vhost-User interfaces for defined number of VMs on
| | ... | all VPP nodes. Add each Vhost-User interface into L2 cross-connect
| | ... | with with physical inteface or Vhost-User interface of another VM.
| |
| | ... | *Arguments:*
| | ... | - nf_nodes - VM count. Type: integer
| | ... | - virtio_feature_mask - Enabled Virtio features (Optional).
| | ... | Type: integer
| |
| | ... | *Example:*
| |
| | ... | \| Initialize L2 xconnect with Vhost-User \| 1 \|
| |
| | [Arguments] | ${nf_nodes}=${1} | ${virtio_feature_mask}=${None}
| |
| | FOR | ${dut} | IN | @{duts}
| | | Initialize L2 xconnect with Vhost-User on node | ${dut}
| | | ... | nf_nodes=${nf_nodes} | virtio_feature_mask=${virtio_feature_mask}
| | END

| Initialize L2 xconnect with Vhost-User and VLAN in circular topology
| | [Documentation]
| | ... | Create two Vhost-User interfaces on all defined VPP nodes. Cross
| | ... | connect each Vhost interface with one physical interface.
| | ... | Setup VLAN between DUTs. All interfaces are brought up.
| |
| | ... | *Arguments:*
| | ... | - subid - ID of the sub-interface to be created. Type: string
| | ... | - tag_rewrite - Method of tag rewrite. Type: string
| | ... | - virtio_feature_mask - Enabled Virtio features (Optional).
| | ... | Type: integer
| |
| | ... | *Example:*
| |
| | ... | \| L2 xconnect with Vhost-User and VLAN initialized in a 3-node\
| | ... | circular topology \| 10 \| pop-1 \|
| |
| | [Arguments] | ${subid} | ${tag_rewrite} | ${virtio_feature_mask}=${None}
| |
| | ${dut2_status} | ${value}= | Run Keyword And Ignore Error
| | ... | Variable Should Exist | ${dut2}
| |
| | Set interfaces in path up
| |
| | Run Keyword If | '${dut2_status}' == 'PASS'
| | ... | Initialize VLAN dot1q sub-interfaces in circular topology
| | ... | ${dut1} | ${DUT1_${int}2}[0]
| | ... | ${dut2} | ${DUT2_${int}1}[0] | SUB_ID=${subid}
| | ... | ELSE | Initialize VLAN dot1q sub-interfaces in circular topology
| | ... | ${dut1} | ${DUT1_${int}2}[0] | SUB_ID=${subid}
| | Run Keyword If | '${dut2_status}' == 'PASS'
| | ... | Configure L2 tag rewrite method on interfaces
| | ... | ${dut1} | ${subif_index_1}
| | ... | ${dut2} | ${subif_index_2} | TAG_REWRITE_METHOD=${tag_rewrite}
| | ... | ELSE | Configure L2 tag rewrite method on interfaces
| | ... | ${dut1} | ${subif_index_1} | TAG_REWRITE_METHOD=${tag_rewrite}
| | Configure vhost interfaces
| | ... | ${dut1} | /run/vpp/sock-1-1 | /run/vpp/sock-1-2
| | ... | virtio_feature_mask=${virtio_feature_mask}
| | Configure L2XC
| | ... | ${dut1} | ${DUT1_${int}1}[0] | ${vhost_if1}
| | Configure L2XC
| | ... | ${dut1} | ${subif_index_1} | ${vhost_if2}
| | Run Keyword If | '${dut2_status}' == 'PASS'
| | ... | Configure vhost interfaces
| | ... | ${dut2} | /run/vpp/sock-1-1 | /run/vpp/sock-1-2
| | ... | virtio_feature_mask=${virtio_feature_mask}
| | Run Keyword If | '${dut2_status}' == 'PASS'
| | ... | Configure L2XC | ${dut2} | ${subif_index_2} | ${vhost_if1}
| | Run Keyword If | '${dut2_status}' == 'PASS'
| | ... | Configure L2XC | ${dut2} | ${DUT2_${int}2}[0] | ${vhost_if2}

| Initialize L2 xconnect with Vhost-User and VLAN with VPP link bonding in 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. Add one
| | ... | physical interface towards next DUT as a member of BondEthernet
| | ... | interface. Setup VLAN on BondEthernet interfaces between DUTs. Cross
| | ... | connect one Vhost interface with physical interface towards TG and
| | ... | other Vhost interface with VLAN sub-interface. All interfaces are
| | ... | brought up.
| |
| | ... | *Arguments:*
| | ... | - 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
| | ... | - virtio_feature_mask - Enabled Virtio features (Optional).
| | ... | Type: integer
| |
| | ... | *Example:*
| |
| | ... | \| Initialize L2 xconnect with Vhost-User and VLAN with VPP link\
| | ... | bonding in 3-node circular topology \| 10 \| pop-1 \| xor \| l34 \|
| |
| | [Arguments] | ${subid} | ${tag_rewrite} | ${bond_mode} | ${lb_mode}
| | ... | ${virtio_feature_mask}=${None}
| |
| | 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}
| | FOR | ${pf} | IN RANGE | 1 | ${nic_pfs} + 1
| | | ${_even}= | Evaluate | ${pf} % 2
| | | Run Keyword Unless | ${even}
| | | ... | VPP Add Bond Member
| | | ... | ${dut1} | ${DUT1_${int}${pf}}[0] | ${dut1_eth_bond_if1}
| | END
| | ${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}
| | FOR | ${pf} | IN RANGE | 1 | ${nic_pfs} + 1
| | | ${_even}= | Evaluate | ${pf} % 2
| | | Run Keyword If | ${even}
| | | ... | VPP Add Bond Member
| | | ... | ${dut2} | ${DUT2_${int}${pf}}[0] | ${dut2_eth_bond_if1}
| | END
| | VPP Show Bond Data On All Nodes | ${nodes} | verbose=${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
| | ... | ${dut1} | /run/vpp/sock-1-1 | /run/vpp/sock-1-2
| | ... | virtio_feature_mask=${virtio_feature_mask}
| | Configure L2XC
| | ... | ${dut1} | ${DUT1_${int}1}[0] | ${vhost_if1}
| | Configure L2XC
| | ... | ${dut1} | ${subif_index_1} | ${vhost_if2}
| | Configure vhost interfaces
| | ... | ${dut2} | /run/vpp/sock-1-1 | /run/vpp/sock-1-2
| | ... | virtio_feature_mask=${virtio_feature_mask}
| | Configure L2XC
| | ... | ${dut2} | ${subif_index_2} | ${vhost_if1}
| | Configure L2XC
| | ... | ${dut2} | ${DUT2_${int}2}[0] | ${vhost_if2}

| Initialize L2 xconnect with memif pairs on DUT node
| | [Documentation]
| | ... | Create pairs of Memif interfaces on DUT node. Cross connect each Memif
| | ... | interface with one physical interface or virtual interface to create
| | ... | a chain accross DUT node.
| |
| | ... | *Arguments:*
| | ... | - dut - DUT node. Type: dictionary
| | ... | - count - Number of memif pairs (containers). Type: integer
| |
| | ... | *Note:*
| | ... | Socket paths for Memif are defined in following format:
| | ... | - /tmp/memif-\${dut}_CNF\${number}-\${sid}
| |
| | ... | KW uses test variable \${rxq_count_int} set by KW Add worker threads
| | ... | and rxqueues to all DUTs
| |
| | ... | *Example:*
| |
| | ... | \| Initialize L2 xconnect with memif pairs on DUT node \| ${dut} \
| | ... | \| ${1} \|
| |
| | [Arguments] | ${dut} | ${count}
| |
| | FOR | ${number} | IN RANGE | 1 | ${count}+1
| | | ${sock1}= | Set Variable | memif-${dut}_CNF
| | | ${sock2}= | Set Variable | memif-${dut}_CNF
| | | ${prev_index}= | Evaluate | ${number}-1
| | | Set up memif interfaces on DUT node | ${nodes['${dut}']}
| | | ... | ${sock1} | ${sock2} | ${number} | ${dut}-memif-${number}-if1
| | | ... | ${dut}-memif-${number}-if2 | ${rxq_count_int} | ${rxq_count_int}
| | | ${xconnect_if1}= | Set Variable If | ${number}==1
| | | ... | ${${dut}_${int}1}[0] | ${${dut}-memif-${prev_index}-if2}
| | | Configure L2XC | ${nodes['${dut}']} | ${xconnect_if1}
| | | ... | ${${dut}-memif-${number}-if1}
| | | Run Keyword If | ${number}==${count} | Configure L2XC
| | | ... | ${nodes['${dut}']} | ${${dut}-memif-${number}-if2}
| | | ... | ${${dut}_${int}2}[0]
| | END

| Initialize L2 xconnect with memif pairs
| | [Documentation]
| | ... | Create pairs of Memif interfaces on all defined VPP nodes. Cross
| | ... | connect each Memif interface with one physical interface or virtual
| | ... | interface to create a chain accross DUT node.
| |
| | ... | *Arguments:*
| | ... | - count - Number of memif pairs (containers). Type: integer
| |
| | ... | *Example:*
| |
| | ... | \| Initialize L2 xconnect with memif pairs \| ${1} \|
| |
| | [Arguments] | ${count}=${1}
| |
| | FOR | ${dut} | IN | @{duts}
| | | Initialize L2 xconnect with memif pairs on DUT node | ${dut} | ${count}
| | END
| | Set interfaces in path up
| | Show Memif on all DUTs | ${nodes}
| | VPP round robin RX placement on all DUTs | ${nodes} | prefix=memif