From 3aa4a6fab319a1e532eb8bb963a4632bc37797ef Mon Sep 17 00:00:00 2001 From: Christian Trautman Date: Mon, 23 Jan 2017 13:33:56 -0500 Subject: xena_cont_learning: Adds learning preemption to continuous traffic Adds a configurable learning preemptive option when running xena continuous traffic tests. This resolves a missing packet or two when running OVS tests at flow rates that should not drop packets. JIRA: VSPERF-473 Change-Id: I056578ed9c9181287d97aea55a002f09aac14e81 Signed-off-by: Christian Trautman --- tools/pkt_gen/xena/XenaDriver.py | 9 +++++++++ tools/pkt_gen/xena/xena.py | 9 +++++++++ 2 files changed, 18 insertions(+) (limited to 'tools/pkt_gen/xena') diff --git a/tools/pkt_gen/xena/XenaDriver.py b/tools/pkt_gen/xena/XenaDriver.py index 04a99e9d..e144514f 100644 --- a/tools/pkt_gen/xena/XenaDriver.py +++ b/tools/pkt_gen/xena/XenaDriver.py @@ -57,6 +57,7 @@ CMD_LOGOFF = 'c_logoff' CMD_OWNER = 'c_owner' CMD_PORT = ';Port:' CMD_PORT_IP = 'p_ipaddress' +CMD_PORT_LEARNING = 'p_autotrain' CMD_RESERVE = 'p_reservation reserve' CMD_RELEASE = 'p_reservation release' CMD_RELINQUISH = 'p_reservation relinquish' @@ -560,6 +561,14 @@ class XenaPort(object): "on" if on else "off"), self) return self._manager.driver.ask_verify(command) + def set_port_learning(self, interval): + """Start port learning with the interval in seconds specified. 0 disables port learning + :param: interval as int + :return: Boolean True if response OK, False if error. + """ + command = make_port_command('{} {}'.format(CMD_PORT_LEARNING, interval), self) + return self._manager.driver.ask_verify(command) + def set_port_ip(self, ip_addr, cidr, gateway, wild='255'): """ Set the port ip address of the specific port diff --git a/tools/pkt_gen/xena/xena.py b/tools/pkt_gen/xena/xena.py index 20577e8d..f5415d52 100755 --- a/tools/pkt_gen/xena/xena.py +++ b/tools/pkt_gen/xena/xena.py @@ -383,6 +383,15 @@ class Xena(ITrafficGenerator): # Clear port configuration for a clean start self.xmanager.ports[0].reset_port() self.xmanager.ports[1].reset_port() + if settings.getValue('TRAFFICGEN_XENA_CONT_PORT_LEARNING_ENABLED'): + # turn on port learning + self.xmanager.ports[0].set_port_learning(1) + self.xmanager.ports[1].set_port_learning(1) + sleep(settings.getValue('TRAFFICGEN_XENA_CONT_PORT_LEARNING_DURATION')) + # turn off port learning + self.xmanager.ports[0].set_port_learning(0) + self.xmanager.ports[1].set_port_learning(0) + sleep(1) self.xmanager.ports[0].clear_stats() self.xmanager.ports[1].clear_stats() -- cgit 1.2.3-korg