teststeps: Improvements and bugfixing of teststeps

This patch introduces several improvements and small bugfixes
of teststeps. These changes were identified during implementation
of OVS/DPDK regression tests.

Patch content:
* teststeps: step aliases were implemented
* teststeps: improved filtering by regex for any step, which returns string
  or list of stings; filter will process all lines
* teststeps: support for log object
* teststeps: support for trafficgen get_results call
* teststeps: configurable suppression of step validation
* trafficgen: remove old results before traffic is executed
* trafficgen: support for flow control on/off (IxNet)
* trafficgen: support for configurable learning frames (IxNet)
* trafficgen: support for runtime changes of TRAFFICGEN_PKT_SIZES, _DURATION
  and _LOSSRATE
* vnf: flush pexpect output of previous commands
* vnf: use execute_and_wait() to ensure correct cmds order
* vnf: dpdk vHost User interface name set according to its type,
  e.g. dpdkvhostuserclient
* vswitch: support for OVS restart
* decap: simplify configuration of tunneling decapsulation tests
* settings: values of all configuration options are restored after TC execution
* modified formatting of test description used by --list
* testcase name and description is logged before its execution
* small bugfixes

JIRA: VSPERF-539

Change-Id: I550ba0d897ece89abd3f33d6d66f545c4d863e7b
Signed-off-by: Martin Klozik <martinx.klozik@intel.com>
Reviewed-by: Al Morton <acmorton@att.com>
Reviewed-by: Christian Trautman <ctrautma@redhat.com>
Reviewed-by: Sridhar Rao <sridhar.rao@spirent.com>
Reviewed-by: Trevor Cooper <trevor.cooper@intel.com>

1 files changed, 14 insertions, 1 deletions

diff --git a/conf/03_traffic.conf b/conf/03_traffic.conf
index b5533833..6cfbbf23 100644
--- a/conf/03_traffic.conf
+++ b/conf/03_traffic.conf
@@ -71,6 +71,18 @@ LOG_FILE_TRAFFIC_GEN = 'traffic-gen.log'
 #                         "IP"   - flow is defined by ingress ports
 #                                  and src and dst IP addresses
 #                      Default value: "port"
+#    'flow_control'  - Controls flow control support by traffic generator.
+#                      Supported values:
+#                         False  - flow control is disabled
+#                         True   - flow control is enabled
+#                      Default value: False
+#                      Note: Currently it is supported by IxNet only
+#    'learning_frames' - Controls learning frames support by traffic generator.
+#                      Supported values:
+#                         False  - learning freames are disabled
+#                         True   - learning freames are enabled
+#                      Default value: True
+#                      Note: Currently it is supported by IxNet only
 #    'l2'            - A dictionary with l2 network layer details. Supported
 #                      values are:
 #        'srcmac'    - Specifies source MAC address filled by traffic generator.
@@ -143,7 +155,8 @@ TRAFFIC = {
     'stream_type' : 'L4',
     'pre_installed_flows' : 'No',           # used by vswitch implementation
     'flow_type' : 'port',                   # used by vswitch implementation
-
+    'flow_control' : False,                 # supported only by IxNet
+    'learning_frames' : True,               # supported only by IxNet
     'l2': {
         'framesize': 64,
         'srcmac': '00:00:00:00:00:00',