VPPD: GBP test case

Signed-off-by: Peter Mikus <pmikus@cisco.com>
Change-Id: I020cdb6ced70a9c22773dfbe1662aecd2b744d2d

3 files changed, 243 insertions, 3 deletions

diff --git a/resources/libraries/robot/shared/traffic.robot b/resources/libraries/robot/shared/traffic.robot
index b3e030986e..5d11618f62 100644
--- a/resources/libraries/robot/shared/traffic.robot
+++ b/resources/libraries/robot/shared/traffic.robot
@@ -53,6 +53,8 @@
 | | ... | - vlan_rx - VLAN (inner) tag on RX side (Optional). Type: integer
 | | ... | - vlan_outer_rx - .1AD VLAN (outer) tag on RX side (Optional).
 | | ... | Type: integer
+| | ... | - traffic_script - Scapy Traffic script used for validation.
+| | ... | Type: string
 | | ...
 | | ... | *Return:*
 | | ... | - No value returned
@@ -68,6 +70,7 @@
 | | ... | ${rx_dst_mac} | ${encaps_tx}=${EMPTY} | ${vlan_tx}=${EMPTY}
 | | ... | ${vlan_outer_tx}=${EMPTY} | ${encaps_rx}=${EMPTY}
 | | ... | ${vlan_rx}=${EMPTY} | ${vlan_outer_rx}=${EMPTY}
+| | ... | ${traffic_script}=send_icmp_check_headers
 | | ...
 | | ${tx_port_name}= | Get interface name | ${tg_node} | ${tx_src_port}
 | | ${rx_port_name}= | Get interface name | ${tg_node} | ${rx_port}
@@ -89,8 +92,7 @@
 | | ${args}= | Run Keyword If | '${vlan_outer_rx}' == '${EMPTY}'
 | | | ... | Set Variable | ${args}
 | | ... | ELSE | Catenate | ${args} | --vlan_outer_rx ${vlan_outer_rx}
-| | Run Traffic Script On Node | send_icmp_check_headers.py | ${tg_node} |
-| | ... | ${args}
+| | Run Traffic Script On Node | ${traffic_script}.py | ${tg_node} | ${args}
 
 | Packet transmission from port to port should fail
 | | [Documentation] | Sends packet from ip (with specified mac) to ip\
@@ -709,7 +711,6 @@
 | | Run Traffic Script On Node
 | | ... | send_icmp_check_gre_headers.py | ${tg_node} | ${args}
 
-
 | Send GRE and check received ICMPv4 header
 | | [Documentation] | Send IPv4 ICMPv4 packet encapsulated into GRE and \
 | | ... | check IP, MAC headers on received packed.
diff --git a/resources/traffic_scripts/send_ip_check_headers.py b/resources/traffic_scripts/send_ip_check_headers.py
new file mode 100755
index 0000000000..816c0053e9
--- /dev/null
+++ b/resources/traffic_scripts/send_ip_check_headers.py
@@ -0,0 +1,151 @@
+#!/usr/bin/env python
+# Copyright (c) 2016 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.
+
+"""Traffic script that sends an IP ICMPv4/ICMPv6 packet from one interface
+to the other. Source and destination IP addresses and source and destination
+MAC addresses are checked in received packet.
+"""
+
+import sys
+
+import ipaddress
+from robot.api import logger
+from scapy.layers.inet import IP
+from scapy.layers.inet6 import IPv6, ICMPv6EchoRequest, ICMPv6ND_NS
+from scapy.layers.l2 import Ether, Dot1Q
+
+from resources.libraries.python.PacketVerifier import RxQueue, TxQueue
+from resources.libraries.python.TrafficScriptArg import TrafficScriptArg
+
+
+def valid_ipv4(ip):
+    try:
+        ipaddress.IPv4Address(unicode(ip))
+        return True
+    except (AttributeError, ipaddress.AddressValueError):
+        return False
+
+
+def valid_ipv6(ip):
+    try:
+        ipaddress.IPv6Address(unicode(ip))
+        return True
+    except (AttributeError, ipaddress.AddressValueError):
+        return False
+
+
+def main():
+    """Send IP ICMP packet from one traffic generator interface to the other."""
+    args = TrafficScriptArg(
+        ['tg_src_mac', 'tg_dst_mac', 'src_ip', 'dst_ip', 'dut_if1_mac',
+         'dut_if2_mac'],
+        ['encaps_tx', 'vlan_tx', 'vlan_outer_tx',
+         'encaps_rx', 'vlan_rx', 'vlan_outer_rx'])
+
+    tx_src_mac = args.get_arg('tg_src_mac')
+    tx_dst_mac = args.get_arg('dut_if1_mac')
+    rx_dst_mac = args.get_arg('tg_dst_mac')
+    rx_src_mac = args.get_arg('dut_if2_mac')
+    src_ip = args.get_arg('src_ip')
+    dst_ip = args.get_arg('dst_ip')
+    tx_if = args.get_arg('tx_if')
+    rx_if = args.get_arg('rx_if')
+
+    encaps_tx = args.get_arg('encaps_tx')
+    vlan_tx = args.get_arg('vlan_tx')
+    vlan_outer_tx = args.get_arg('vlan_outer_tx')
+    encaps_rx = args.get_arg('encaps_rx')
+    vlan_rx = args.get_arg('vlan_rx')
+    vlan_outer_rx = args.get_arg('vlan_outer_rx')
+
+    rxq = RxQueue(rx_if)
+    txq = TxQueue(tx_if)
+    sent_packets = []
+    ip_format = ''
+    pkt_raw = Ether(src=tx_src_mac, dst=tx_dst_mac)
+    if encaps_tx == 'Dot1q':
+        pkt_raw /= Dot1Q(vlan=int(vlan_tx))
+    elif encaps_tx == 'Dot1ad':
+        pkt_raw.type = 0x88a8
+        pkt_raw /= Dot1Q(vlan=vlan_outer_tx)
+        pkt_raw /= Dot1Q(vlan=vlan_tx)
+    if valid_ipv4(src_ip) and valid_ipv4(dst_ip):
+        pkt_raw /= IP(src=src_ip, dst=dst_ip, proto=61)
+        ip_format = IP
+    elif valid_ipv6(src_ip) and valid_ipv6(dst_ip):
+        pkt_raw /= IPv6(src=src_ip, dst=dst_ip)
+        ip_format = IPv6
+    else:
+        raise ValueError("IP not in correct format")
+
+    sent_packets.append(pkt_raw)
+    txq.send(pkt_raw)
+
+    while True:
+        if tx_if == rx_if:
+            ether = rxq.recv(2, ignore=sent_packets)
+        else:
+            ether = rxq.recv(2)
+        if ether is None:
+            raise RuntimeError('ICMP echo Rx timeout')
+
+        if ether.haslayer(ICMPv6ND_NS):
+            # read another packet in the queue if the current one is ICMPv6ND_NS
+            continue
+        else:
+            # otherwise process the current packet
+            break
+
+    if rx_dst_mac == ether[Ether].dst and rx_src_mac == ether[Ether].src:
+        logger.trace("MAC matched")
+    else:
+        raise RuntimeError("Matching packet unsuccessful: {0}".
+                           format(ether.__repr__()))
+
+    if encaps_rx == 'Dot1q':
+        if ether[Dot1Q].vlan == int(vlan_rx):
+            logger.trace("VLAN matched")
+        else:
+            raise RuntimeError('Ethernet frame with wrong VLAN tag ({}-'
+                               'received, {}-expected):\n{}'.
+                               format(ether[Dot1Q].vlan, vlan_rx,
+                                      ether.__repr__()))
+        ip = ether[Dot1Q].payload
+    elif encaps_rx == 'Dot1ad':
+        raise NotImplementedError()
+    else:
+        ip = ether.payload
+
+    if not isinstance(ip, ip_format):
+        raise RuntimeError("Not an IP packet received {0}".
+                           format(ip.__repr__()))
+
+    # Compare data from packets
+    if src_ip == ip.src:
+        logger.trace("Src IP matched")
+    else:
+        raise RuntimeError("Matching Src IP unsuccessful: {} != {}".
+                           format(src_ip, ip.src))
+
+    if dst_ip == ip.dst:
+        logger.trace("Dst IP matched")
+    else:
+        raise RuntimeError("Matching Dst IP unsuccessful: {} != {}".
+                           format(dst_ip, ip.dst))
+
+    sys.exit(0)
+
+
+if __name__ == "__main__":
+    main()
diff --git a/tests/vpp/device/l2bd/eth2p-avf-dot1q-l2bdbasemaclrn-gbp-dev.robot b/tests/vpp/device/l2bd/eth2p-avf-dot1q-l2bdbasemaclrn-gbp-dev.robot
new file mode 100644
index 0000000000..dd2cb7c13d
--- /dev/null
+++ b/tests/vpp/device/l2bd/eth2p-avf-dot1q-l2bdbasemaclrn-gbp-dev.robot
@@ -0,0 +1,88 @@
+# 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 | 2_NODE_SINGLE_LINK_TOPO | DEVICETEST | HW_ENV | DCR_ENV | SCAPY
+| ... | NIC_Virtual | DOT1Q | L2BDMACLRN | BASE | DRV_AVF | GBP
+| ...
+| Suite Setup | Setup suite single link | avf | scapy
+| Suite Teardown | Tear down suite | vifs
+| Test Setup | Setup test
+| Test Teardown | Tear down test | packet_trace
+| ...
+| Test Template | Local template
+| ...
+| Documentation | *L2BD with IEEE 802.1Q and GBP test cases*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Dot1q-IPv4 for L2 switching of IPv4. \
+| ... | IEEE 802.1Q tagging is applied on both links TG-DUT1 .
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with:\
+| ... | 2 VLAN subinterfaces (VID 200 and 300),\
+| ... | 1 L2 BD with the 2 VLAN subinterfaces and a BVI,\
+| ... | 1 GBP L3 RD,\
+| ... | 1 GBP L2 BD with the L2 BD,\
+| ... | 1 GBP EPG EPG-1 with sclass 100, the GBP L2 BD and L3 RD,\
+| ... | 2 GBP external EP in EPG-1,\
+| ... | 2 external subnets with sclass 200 and 300,\
+| ... | Contracts allowing full communications between the 2 external subnets.\
+| ... | DUT1 tested with ${nic_name} with VF enabled.
+| ... | *[Ver] TG verification:* Test IPv4 packets are sent in one direction \
+| ... | by TG on link to DUT1; on receive TG verifies packets for correctness \
+| ... | and drops as applicable.
+| ... | *[Ref] Applicable standard specifications:* IEEE 802.1q.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so | avf_plugin.so | gbp_plugin.so
+| ... | acl_plugin.so
+| ${nic_name}= | virtual
+| ${overhead}= | ${4}
+
+*** Keywords ***
+| Local template
+| | [Documentation]
+| | ... | [Ver] Make TG send ICMPv4 Echo Reqs in both directions between two\
+| | ... | of its interfaces to be switched by DUT to and from docker; verify\
+| | ... | all packets are received.
+| | ...
+| | ... | *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} | ${rxq}
+| | And Add DPDK no PCI to all DUTs
+| | And Set Max Rate And Jumbo
+| | And Apply startup configuration on all VPP DUTs | with_trace=${True}
+| | When Initialize AVF interfaces
+| | And Initialize layer interface
+| | And Initialize layer dot1q
+| | And Initialize GBP routing domains
+| | Then Send packet and verify headers
+| | ... | ${tg} | 10.10.10.2 | 20.20.20.2
+| | ... | ${tg_if1} | ${tg_if1_mac} | ba:dc:00:ff:ee:01
+| | ... | ${tg_if2} | ba:dc:00:ff:ee:01 | ${tg_if2_mac}
+| | ... | traffic_script=send_ip_check_headers
+
+*** Test Cases ***
+| tc01-64B-avf-dot1q-l2bdbasemaclrn-gbp-dev
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${0}