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# Copyright (c) 2019 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 ***
| Resource | resources/libraries/robot/shared/default.robot
| ...
| Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
| ... | NIC_Intel-X710 | DOT1Q | L2BDMACLRN | BASE | VHOST | 1VM
| ... | VHOST_1024 | LBOND | LBOND_VPP | LBOND_MODE_LACP | LBOND_LB_L34
| ... | LBOND_1L | VM_TESTPMD
| ...
| Suite Setup | Setup suite single link | performance
| Suite Teardown | Tear down suite | performance
| Test Setup | Setup test
| Test Teardown | Tear down test | performance | vhost
| ...
| Test Template | Local Template
| ...
| Documentation | *RFC2544: Pkt throughput L2BD test cases with vhost and vpp
| ... | link bonding*
| ...
| ... | *[Top] Network Topologies:* TG-DUT1-DUT2-TG 3-node circular topology
| ... | with single links between nodes.
| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4. 802.1q
| ... | tagging is applied on link between DUT1 and DUT2.
| ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with VPP
| ... | link bonding (mode LACP, transmit policy l34) on link between DUT1 and
| ... | DUT2 and L2 bridge-domain with MAC learning enabled. Qemu VNFs are \
| ... | connected to VPP via vhost-user interfaces. Guest is running testpmd \
| ... | interconnecting vhost-user interfaces, rxd/txd=1024. DUT1/DUT2 is \
| ... | tested with ${nic_name}.
| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
| ... | of packets transmitted. NDR and PDR are discovered for different\
| ... | Ethernet L2 frame sizes using MLRsearch library.\
| ... | Test packets are generated by TG on links to DUTs. TG traffic profile
| ... | contains two L3 flow-groups (flow-group per direction, 254 flows per
| ... | flow-group) with all packets containing Ethernet header, IPv4 header
| ... | with IP protocol=61 and static payload. MAC addresses are matching MAC
| ... | addresses of the TG node interfaces.
| ... | *[Ref] Applicable standard specifications:* RFC2544.

*** Variables ***
| @{plugins_to_enable}= | dpdk_plugin.so | lacp_plugin.so
| ${osi_layer}= | L2
| ${nic_name}= | Intel-X710
| ${overhead}= | ${4}
| ${subid}= | 10
| ${tag_rewrite}= | pop-1
| ${nf_dtcr}= | ${1}
| ${nf_dtc}= | ${1}
| ${nf_chains}= | ${1}
| ${nf_nodes}= | ${1}
# Link bonding config
| ${bond_mode}= | lacp
| ${lb_mode}= | l34
| ${bd_id1}= | 1
| ${bd_id2}= | 2
# Traffic profile:
| ${traffic_profile}= | trex-sl-3n-ethip4-ip4src254

*** Keywords ***
| Local Template
| | [Documentation]
| | ... | [Cfg] DUT runs L2BD switching config.
| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
| | ...
| | ... | *Arguments:*
| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
| | ... | Type: integer, string
| | ... | - phy_cores - Number of physical cores. Type: integer
| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
| | ...
| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
| | ...
| | Set Test Variable | \${frame_size}
| | ...
| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
| | And Add PCI devices to all DUTs
| | And Add VLAN Strip Offload switch off between DUTs in 3-node single link topology
| | And Set Max Rate And Jumbo And Handle Multi Seg
| | And Apply startup configuration on all VPP DUTs
| | When Initialize L2 bridge domains with Vhost-User and VLAN with VPP link bonding in a 3-node circular topology
| | ... | ${bd_id1} | ${bd_id2} | ${subid}
| | ... | ${tag_rewrite} | ${bond_mode} | ${lb_mode}
| | And Configure chains of NFs connected via vhost-user
| | ... | nf_chains=${nf_chains} | nf_nodes=${nf_nodes} | jumbo=${jumbo}
| | ... | use_tuned_cfs=${False} | auto_scale=${True} | vnf=testpmd_io
| | Then Find NDR and PDR intervals using optimized search

*** Test Cases ***
| tc01-64B-1c-1lbvpplacp-dot1q-l2bdbasemaclrn-eth-2vhostvr1024-1vm-ndrpdr
| | [Tags] | 64B | 1C
| | frame_size=${64} | phy_cores=${1}

| tc02-64B-2c-1lbvpplacp-dot1q-l2bdbasemaclrn-eth-2vhostvr1024-1vm-ndrpdr
| | [Tags] | 64B | 2C
| | frame_size=${64} | phy_cores=${2}

| tc03-64B-4c-1lbvpplacp-dot1q-l2bdbasemaclrn-eth-2vhostvr1024-1vm-ndrpdr
| | [Tags] | 64B | 4C
| | frame_size=${64} | phy_cores=${4}

| tc04-1518B-1c-1lbvpplacp-dot1q-l2bdbasemaclrn-eth-2vhostvr1024-1vm-ndrpdr
| | [Tags] | 1518B | 1C
| | frame_size=${1518} | phy_cores=${1}

| tc05-1518B-2c-1lbvpplacp-dot1q-l2bdbasemaclrn-eth-2vhostvr1024-1vm-ndrpdr
| | [Tags] | 1518B | 2C
| | frame_size=${1518} | phy_cores=${2}

| tc06-1518B-4c-1lbvpplacp-dot1q-l2bdbasemaclrn-eth-2vhostvr1024-1vm-ndrpdr
| | [Tags] | 1518B | 4C
| | frame_size=${1518} | phy_cores=${4}

| tc07-9000B-1c-1lbvpplacp-dot1q-l2bdbasemaclrn-eth-2vhostvr1024-1vm-ndrpdr
| | [Tags] | 9000B | 1C
| | frame_size=${9000} | phy_cores=${1}

| tc08-9000B-2c-1lbvpplacp-dot1q-l2bdbasemaclrn-eth-2vhostvr1024-1vm-ndrpdr
| | [Tags] | 9000B | 2C
| | frame_size=${9000} | phy_cores=${2}

| tc09-9000B-4c-1lbvpplacp-dot1q-l2bdbasemaclrn-eth-2vhostvr1024-1vm-ndrpdr
| | [Tags] | 9000B | 4C
| | frame_size=${9000} | phy_cores=${4}

| tc10-IMIX-1c-1lbvpplacp-dot1q-l2bdbasemaclrn-eth-2vhostvr1024-1vm-ndrpdr
| | [Tags] | IMIX | 1C
| | frame_size=IMIX_v4_1 | phy_cores=${1}

| tc11-IMIX-2c-1lbvpplacp-dot1q-l2bdbasemaclrn-eth-2vhostvr1024-1vm-ndrpdr
| | [Tags] | IMIX | 2C
| | frame_size=IMIX_v4_1 | phy_cores=${2}

| tc12-IMIX-4c-1lbvpplacp-dot1q-l2bdbasemaclrn-eth-2vhostvr1024-1vm-ndrpdr
| | [Tags] | IMIX | 4C
| | frame_size=IMIX_v4_1 | phy_cores=${4}
self.assertEqual(pkt[Ether].src, self.pg2.local_mac) self.assertEqual(pkt[Ether].dst, self.pg2.remote_mac) self.assertEqual(pkt[IP].src, self.pg2.local_ip4) self.assertEqual(pkt[IP].dst, self.pg2.remote_ip4) return pkt[GRE].payload def decap_erspan(self, pkt, session): """ Decapsulate the original payload frame by removing ERSPAN header """ self.assertEqual(pkt[Ether].src, self.pg2.local_mac) self.assertEqual(pkt[Ether].dst, self.pg2.remote_mac) self.assertEqual(pkt[IP].src, self.pg2.local_ip4) self.assertEqual(pkt[IP].dst, self.pg2.remote_ip4) self.assertEqual(pkt[ERSPAN].ver, 1) self.assertEqual(pkt[ERSPAN].vlan, 0) self.assertEqual(pkt[ERSPAN].cos, 0) self.assertEqual(pkt[ERSPAN].en, 3) self.assertEqual(pkt[ERSPAN].t, 0) self.assertEqual(pkt[ERSPAN].session_id, session) self.assertEqual(pkt[ERSPAN].reserved, 0) self.assertEqual(pkt[ERSPAN].index, 0) return pkt[ERSPAN].payload def decap_vxlan(self, pkt): """ Decapsulate the original payload frame by removing VXLAN header """ self.assertEqual(pkt[Ether].src, self.pg2.local_mac) self.assertEqual(pkt[Ether].dst, self.pg2.remote_mac) self.assertEqual(pkt[IP].src, self.pg2.local_ip4) self.assertEqual(pkt[IP].dst, self.pg2.remote_ip4) return pkt[VXLAN].payload def create_stream(self, src_if, packet_sizes, do_dot1=False, bcast=False): pkts = [] dst_if = self.flows[src_if][0] dst_mac = src_if.remote_mac if bcast: dst_mac = "ff:ff:ff:ff:ff:ff" for i in range(0, self.pkts_per_burst): payload = "span test" size = packet_sizes[(i / 2) % len(packet_sizes)] p = (Ether(src=src_if.local_mac, dst=dst_mac) / IP(src=src_if.remote_ip4, dst=dst_if.remote_ip4) / UDP(sport=10000 + src_if.sw_if_index * 1000 + i, dport=1234) / Raw(payload)) if do_dot1: p = self.sub_if.add_dot1_layer(p) self.extend_packet(p, size) pkts.append(p) return pkts def verify_capture(self, cap1, cap2): self.assertEqual(len(cap1), len(cap2), "Different number of sent and mirrored packets :" "%u != %u" % (len(cap1), len(cap2))) pkts1 = [(pkt[Ether] / pkt[IP] / pkt[UDP]) for pkt in cap1] pkts2 = [(pkt[Ether] / pkt[IP] / pkt[UDP]) for pkt in cap2] self.assertEqual(pkts1.sort(), pkts2.sort()) def test_device_span(self): """ SPAN device rx mirror """ # Create bi-directional cross-connects between pg0 and pg1 self.xconnect(self.pg0.sw_if_index, self.pg1.sw_if_index) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream(self.pg0, self.pg_if_packet_sizes) self.pg0.add_stream(pkts) # Enable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.pg0.sw_if_index, self.pg2.sw_if_index) self.logger.info(self.vapi.ppcli("show interface span")) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) n_pkts = len(pkts) pg1_pkts = self.pg1.get_capture(n_pkts) pg2_pkts = self.pg2.get_capture(n_pkts) # Disable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.pg0.sw_if_index, self.pg2.sw_if_index, state=0) self.xconnect(self.pg0.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_pkts) def test_span_l2_rx(self): """ SPAN l2 rx mirror """ self.sub_if.admin_up() self.bridge(self.pg2.sw_if_index) # Create bi-directional cross-connects between pg0 subif and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pkts) # Enable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.pg2.sw_if_index, is_l2=1) self.logger.info(self.vapi.ppcli("show interface span")) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) pg2_expected = len(pkts) pg1_pkts = self.pg1.get_capture(pg2_expected) pg2_pkts = self.pg2.get_capture(pg2_expected) self.bridge(self.pg2.sw_if_index, is_add=0) # Disable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.pg2.sw_if_index, state=0, is_l2=1) self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_pkts) def test_span_l2_rx_dst_vxlan(self): """ SPAN l2 rx mirror into vxlan """ self.sub_if.admin_up() self.vapi.sw_interface_set_flags(self.vxlan.sw_if_index, admin_up_down=1) self.bridge(self.vxlan.sw_if_index, is_add=1) # Create bi-directional cross-connects between pg0 subif and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pkts) # Enable SPAN on pg0 sub if (mirrored to vxlan) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.vxlan.sw_if_index, is_l2=1) self.logger.info(self.vapi.ppcli("show interface span")) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) n_pkts = len(pkts) pg1_pkts = self.pg1.get_capture(n_pkts) pg2_pkts = [self.decap_vxlan(p) for p in self.pg2.get_capture(n_pkts)] self.bridge(self.vxlan.sw_if_index, is_add=0) # Disable SPAN on pg0 sub if (mirrored to vxlan) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.vxlan.sw_if_index, state=0, is_l2=1) self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_pkts) def test_span_l2_rx_dst_gre_erspan(self): """ SPAN l2 rx mirror into gre-erspan """ self.sub_if.admin_up() gre_if = VppGreInterface(self, self.pg2.local_ip4, self.pg2.remote_ip4, type=2, session=543) gre_if.add_vpp_config() gre_if.admin_up() self.bridge(gre_if.sw_if_index) # Create bi-directional cross-connects between pg0 and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=1) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pkts) # Enable SPAN on pg0 sub if (mirrored to gre-erspan) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, gre_if.sw_if_index, is_l2=1) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) n_pkts = len(pkts) pg1_pkts = self.pg1.get_capture(n_pkts) pg2_pkts = self.pg2.get_capture(n_pkts) def decap(p): return self.decap_erspan(p, session=543) pg2_decaped = [decap(p) for p in pg2_pkts] self.bridge(gre_if.sw_if_index, is_add=0) # Disable SPAN on pg0 sub if self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, gre_if.sw_if_index, state=0, is_l2=1) gre_if.remove_vpp_config() self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_decaped) def test_span_l2_rx_dst_gre_subif_vtr(self): """ SPAN l2 rx mirror into gre-subif+vtr """ self.sub_if.admin_up() gre_if = VppGreInterface(self, self.pg2.local_ip4, self.pg2.remote_ip4, type=1) gre_if.add_vpp_config() gre_if.admin_up() gre_sub_if = VppDot1QSubint(self, gre_if, 500) gre_sub_if.set_vtr(L2_VTR_OP.L2_POP_1, tag=500) gre_sub_if.admin_up() self.bridge(gre_sub_if.sw_if_index) # Create bi-directional cross-connects between pg0 and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=1) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pkts) # Enable SPAN on pg0 sub if (mirrored to gre sub if) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, gre_sub_if.sw_if_index, is_l2=1) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) n_pkts = len(pkts) pg1_pkts = self.pg1.get_capture(n_pkts) pg2_pkts = self.pg2.get_capture(n_pkts) def decap(p): return self.remove_tags( self.decap_gre(p), [Tag(dot1=DOT1Q, vlan=500)]) pg2_decaped = [decap(p) for p in pg2_pkts] self.bridge(gre_sub_if.sw_if_index, is_add=0) # Disable SPAN on pg0 sub if self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, gre_sub_if.sw_if_index, state=0, is_l2=1) gre_if.remove_vpp_config() self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_decaped) def test_span_l2_rx_dst_1q_vtr(self): """ SPAN l2 rx mirror into 1q subif+vtr """ self.sub_if.admin_up() self.vlan_sub_if.admin_up() self.bridge(self.vlan_sub_if.sw_if_index) # Create bi-directional cross-connects between pg0 and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=1) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pkts) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.vlan_sub_if.sw_if_index, is_l2=1) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) n_pkts = len(pkts) pg1_pkts = self.pg1.get_capture(n_pkts) pg2_pkts = self.pg2.get_capture(n_pkts) pg2_untagged = [self.remove_tags(p, [Tag(dot1=DOT1Q, vlan=300)]) for p in pg2_pkts] self.bridge(self.vlan_sub_if.sw_if_index, is_add=0) # Disable SPAN on pg0 sub if (mirrored to vxlan) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.vlan_sub_if.sw_if_index, state=0, is_l2=1) self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_untagged) def test_span_l2_rx_dst_1ad_vtr(self): """ SPAN l2 rx mirror into 1ad subif+vtr """ self.sub_if.admin_up() self.qinq_sub_if.admin_up() self.bridge(self.qinq_sub_if.sw_if_index) # Create bi-directional cross-connects between pg0 and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=1) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pkts) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.qinq_sub_if.sw_if_index, is_l2=1) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) n_pkts = len(pkts) pg1_pkts = self.pg1.get_capture(n_pkts) pg2_pkts = self.pg2.get_capture(n_pkts) pg2_untagged = [self.remove_tags(p, [Tag(dot1=DOT1AD, vlan=400), Tag(dot1=DOT1Q, vlan=500)]) for p in pg2_pkts] self.bridge(self.qinq_sub_if.sw_if_index, is_add=0) # Disable SPAN on pg0 sub if (mirrored to vxlan) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.qinq_sub_if.sw_if_index, state=0, is_l2=1) self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_untagged) def test_l2_tx_span(self): """ SPAN l2 tx mirror """ self.sub_if.admin_up() self.bridge(self.pg2.sw_if_index) # Create bi-directional cross-connects between pg0 and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pkts) # Enable SPAN on pg1 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.pg1.sw_if_index, self.pg2.sw_if_index, is_l2=1, state=2) self.logger.info(self.vapi.ppcli("show interface span")) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) n_pkts = len(pkts) pg1_pkts = self.pg1.get_capture(n_pkts) pg2_pkts = self.pg2.get_capture(n_pkts) self.bridge(self.pg2.sw_if_index, is_add=0) # Disable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.pg1.sw_if_index, self.pg2.sw_if_index, state=0, is_l2=1) self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_pkts) def test_l2_rx_tx_span(self): """ SPAN l2 rx tx mirror """ self.sub_if.admin_up() self.bridge(self.pg2.sw_if_index) # Create bi-directional cross-connects between pg0 and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index) # Create incoming packet streams for packet-generator interfaces pg0_pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pg0_pkts) pg1_pkts = self.create_stream( self.pg1, self.pg_if_packet_sizes, do_dot1=False) self.pg1.add_stream(pg1_pkts) # Enable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.pg2.sw_if_index, is_l2=1, state=3) self.logger.info(self.vapi.ppcli("show interface span")) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) pg0_expected = len(pg1_pkts) pg1_expected = len(pg0_pkts) pg2_expected = pg0_expected + pg1_expected pg0_pkts = self.pg0.get_capture(pg0_expected) pg1_pkts = self.pg1.get_capture(pg1_expected) pg2_pkts = self.pg2.get_capture(pg2_expected) self.bridge(self.pg2.sw_if_index, is_add=0) # Disable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.pg2.sw_if_index, state=0, is_l2=1) self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg0_pkts + pg1_pkts, pg2_pkts) def test_l2_bcast_mirror(self): """ SPAN l2 broadcast mirror """ self.sub_if.admin_up() self.bridge(self.pg2.sw_if_index) # Create bi-directional cross-connects between pg0 and pg1 self.vapi.sw_interface_set_l2_bridge( self.sub_if.sw_if_index, bd_id=99, enable=1) self.vapi.sw_interface_set_l2_bridge( self.pg1.sw_if_index, bd_id=99, enable=1) # Create incoming packet streams for packet-generator interfaces pg0_pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True, bcast=True) self.pg0.add_stream(pg0_pkts) pg1_pkts = self.create_stream( self.pg1, self.pg_if_packet_sizes, do_dot1=False, bcast=True) self.pg1.add_stream(pg1_pkts) # Enable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.pg2.sw_if_index, is_l2=1, state=3) self.logger.info(self.vapi.ppcli("show interface span")) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) pg0_expected = len(pg1_pkts) pg1_expected = len(pg0_pkts) pg2_expected = pg0_expected + pg1_expected pg0_pkts = self.pg0.get_capture(pg0_expected) pg1_pkts = self.pg1.get_capture(pg1_expected) pg2_pkts = self.pg2.get_capture(pg2_expected) self.bridge(self.pg2.sw_if_index, is_add=0) self.vapi.sw_interface_set_l2_bridge( self.sub_if.sw_if_index, bd_id=99, enable=0) self.vapi.sw_interface_set_l2_bridge( self.pg1.sw_if_index, bd_id=99, enable=0) # Disable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.pg2.sw_if_index, state=0, is_l2=1) self.verify_capture(pg0_pkts + pg1_pkts, pg2_pkts) if __name__ == '__main__': unittest.main(testRunner=VppTestRunner)