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-rw-r--r--conf/03_traffic.conf31
-rw-r--r--conf/integration/01_testcases.conf38
2 files changed, 69 insertions, 0 deletions
diff --git a/conf/03_traffic.conf b/conf/03_traffic.conf
index 3c7bd2f5..67318893 100644
--- a/conf/03_traffic.conf
+++ b/conf/03_traffic.conf
@@ -147,6 +147,30 @@ LOG_FILE_TRAFFIC_GEN = 'traffic-gen.log'
# congestion (DEI header field).
# Data type: int (NOTE: must fit to 1 bit)
# Default value: 0
+# 'capture' - A dictionary with traffic capture configuration.
+# NOTE: It is supported only by T-Rex traffic generator.
+# 'enabled' - Specifies if traffic should be captured
+# Data type: bool
+# Default value: False
+# 'tx_ports' - A list of ports, where frames transmitted towards DUT will
+# be captured. Ports have numbers 0 and 1. TX packet capture
+# is disabled if list of ports is empty.
+# Data type: list
+# Default value: [0]
+# 'rx_ports' - A list of ports, where frames received from DUT will
+# be captured. Ports have numbers 0 and 1. RX packet capture
+# is disabled if list of ports is empty.
+# Data type: list
+# Default value: [1]
+# 'count' - A number of frames to be captured. The same count value
+# is applied to both TX and RX captures.
+# Data type: int
+# Default value: 1
+# 'filter' - An expression used to filter TX and RX packets. It uses the same
+# syntax as pcap library. See pcap-filter man page for additional
+# details.
+# Data type: str
+# Default value: ''
TRAFFIC = {
'traffic_type' : 'rfc2544_throughput',
'frame_rate' : 100,
@@ -179,6 +203,13 @@ TRAFFIC = {
'priority': 0,
'cfi': 0,
},
+ 'capture': {
+ 'enabled': False,
+ 'tx_ports' : [0],
+ 'rx_ports' : [1],
+ 'count': 1,
+ 'filter': '',
+ },
}
#path to traffic generators directory.
diff --git a/conf/integration/01_testcases.conf b/conf/integration/01_testcases.conf
index 692f1561..bb2809b8 100644
--- a/conf/integration/01_testcases.conf
+++ b/conf/integration/01_testcases.conf
@@ -1118,6 +1118,44 @@ INTEGRATION_TESTS += [
['tools', 'assert', '#STEP[-1][0] == 0'],
],
},
+ # Capture Example 3 - Traffic capture by traffic generator.
+ # This TestCase uses OVS flow to add VLAN tag with given ID into every
+ # frame send by traffic generator. Correct frame modificaiton is verified by
+ # inspection of packet capture received by T-Rex.
+ {
+ "Name": "capture_p2p_add_vlan_ovs_trex",
+ "Deployment": "clean",
+ "Description": "OVS: Test VLAN tag modification and verify it by traffic capture",
+ "vSwitch" : "OvsDpdkVhost", # works also for Vanilla OVS
+ "Parameters" : {
+ "TRAFFICGEN" : "Trex",
+ "TRAFFICGEN_DURATION" : 5,
+ "TRAFFIC" : {
+ "traffic_type" : "rfc2544_continuous",
+ "frame_rate" : 100,
+ # enable capture of five RX frames
+ 'capture': {
+ 'enabled': True,
+ 'tx_ports' : [],
+ 'rx_ports' : [1],
+ 'count' : 5,
+ },
+ },
+ },
+ "TestSteps" : STEP_VSWITCH_P2P_INIT + [
+ # replace standard L2 flows by flows, which will add VLAN tag with ID 3
+ ['!vswitch', 'add_flow', 'int_br0', {'in_port': '1', 'actions': ['mod_vlan_vid:3','output:2']}],
+ ['!vswitch', 'add_flow', 'int_br0', {'in_port': '2', 'actions': ['mod_vlan_vid:3','output:1']}],
+ ['vswitch', 'dump_flows', 'int_br0'],
+ ['trafficgen', 'send_traffic', {}],
+ ['trafficgen', 'get_results'],
+ # verify that captured frames have vlan tag with ID 3
+ ['tools', 'exec_shell', 'tcpdump -qer $RESULTS_PATH/#STEP[-1][0]["capture_rx"] vlan 3 '
+ '2>/dev/null | wc -l', '|^(\d+)$'],
+ # number of received frames with expected VLAN id must match the number of captured frames
+ ['tools', 'assert', '#STEP[-1][0] == 5'],
+ ] + STEP_VSWITCH_P2P_FINIT,
+ },
#
# End of examples of functional testcases with traffic capture validation
#