xena: Throughput method implementation for Xena Networks

Add files for Xena Networks 2544 throughput
implementation. This allows for Xena to execute
tput tests from VSPerf. For information on how
this works please see the JIRA ticket.

Modify traffic gen guide on install instructions
for Xena. Add in scapy to requirements file. Modify
conf file for Xena chassis connection information.

* Added license info to __init__.py / baseconfig.x2544
* Set initial rate to 10% line rate for tput testing
* Modified default mac address xena_json->set_header_layer2
  from aa:aa:aa:aa:aa:aa to cc:cc:cc:cc:cc:cc

* Removed obsolete multistream params
* Added traffic params to 03_traffic.conf
* Comments to explain try/catch for latency values
* Removed unused import

* Rebased to fix merge conflict
* Added Xena to available traffic gen list in conf files

JIRA: VSPERF-261

Change-Id: I3c4b4a332fd532e10b6096e9ed97a4a39d410839
Signed-off-by: Christian Trautman <ctrautma@redhat.com>

1 files changed, 41 insertions, 0 deletions

diff --git a/docs/configguide/trafficgen.rst b/docs/configguide/trafficgen.rst
index e47fcffe..360db079 100644
--- a/docs/configguide/trafficgen.rst
+++ b/docs/configguide/trafficgen.rst
@@ -238,3 +238,44 @@ To use REST interface, follow the instructions in the Project page to
 install the package. Once installed, the scripts named with 'rest' keyword
 can be used. For example: testcenter-rfc2544-rest.py can be used to run
 RFC 2544 tests using the REST interface.
+
+Xena Networks
+-------------
+
+Installation
+~~~~~~~~~~~~
+
+Xena Networks traffic generator requires certain files and packages to be
+installed. It is assumed the user has access to the Xena2544.exe file which
+must be placed in VSPerf installation location under the tools/pkt_gen/xena
+folder. Contact Xena Networks for the latest version of this file. The user
+can also visit www.xenanetworks/downloads to obtain the file with a valid
+support contract.
+
+To execute the Xena2544.exe file under Linux distributions the mono-complete
+package must be installed. To install this package follow the instructions
+below. Further information can be obtained from
+http://www.mono-project.com/docs/getting-started/install/linux/
+
+.. code-block:: console
+
+    rpm --import "http://keyserver.ubuntu.com/pks/lookup?op=get&search=0x3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF"
+    yum-config-manager --add-repo http://download.mono-project.com/repo/centos/
+    yum -y install mono-complete
+
+Configuration
+~~~~~~~~~~~~~
+
+Connection information for your Xena Chassis must be supplied inside the
+``10_custom.conf`` or ``03_custom.conf`` file. The following parameters must be
+set to allow for proper connections to the chassis.
+
+.. code-block:: console
+
+    TRAFFICGEN_XENA_IP = ''
+    TRAFFICGEN_XENA_PORT1 = ''
+    TRAFFICGEN_XENA_PORT2 = ''
+    TRAFFICGEN_XENA_USER = ''
+    TRAFFICGEN_XENA_PASSWORD = ''
+    TRAFFICGEN_XENA_MODULE1 = ''
+    TRAFFICGEN_XENA_MODULE2 = ''