* [dts] [patch v2] framework/etgen.py : add in two functions which will be used for nic_single_core_perf test_suite, thest two function will work together to send fixed number of packets for ixia ports and return all received packets on total ixia rx ports
@ 2017-09-25 12:33 wang fei
0 siblings, 0 replies; only message in thread
From: wang fei @ 2017-09-25 12:33 UTC (permalink / raw)
To: dts; +Cc: wang fei
Signed-off-by: wang fei <feix.y.wang@intel.com>
---
framework/etgen.py | 44 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 44 insertions(+)
diff --git a/framework/etgen.py b/framework/etgen.py
index b3a5931..85c9814 100644
--- a/framework/etgen.py
+++ b/framework/etgen.py
@@ -868,3 +868,47 @@ class IxiaPacketGenerator(SSHConnection):
retrieved capture buffer. Call packetGroupStats get before.
"""
return self._packetgroup_cget_value('averageLatency')
+
+ def _configure_everything2(self, port_list, rate_percent, latency=False):
+ """
+ Renew _configure_everyething() function,and pop configure_transmission() in the configuration sequence,
+ And do the traffic start action in later configuration in function send_packets()
+ """
+ rxPortlist, txPortlist = self.prepare_port_list(port_list, rate_percent, latency)
+ self.prepare_ixia_for_transmission(txPortlist, rxPortlist)
+ self.start_transmission()
+ self.clear_tcl_commands()
+ return rxPortlist, txPortlist
+
+ def send_packets(self,portList,ratePercent,packetNum,delay=5,runTime=60):
+ """
+ configure ixia to send fixed number of packets for each tx port
+ and returns the throughput for rx ports
+ note that this funcion is only set for test_suite nic_single_core_perf,
+ not for common use
+ """
+ rxPortlist, txPortlist = self._configure_everything2(portList, ratePercent)
+
+ self.send_expect("stream config -numFrames %s" % packetNum,"%",5)
+ self.send_expect("stream config -dma stopStream","%",5)
+ for txPort in txPortlist:
+ port = self.pci_to_port(self.tester.get_pci(txPort))
+ self.send_expect("stream set %d %d %d 1" % (self.chasId, port['card'], port['port']),"%",5)
+
+ self.send_expect("ixWritePortsToHardware portList","%",5)
+ self.send_expect("ixClearStats portList","%",5)
+ self.send_expect("ixStartTransmit portList","%",5)
+ time.sleep(10)
+
+ rxPackets = 0
+ for port in txPortlist:
+ self.stat_get_stat_all_stats(port)
+ txPackets = self.get_frames_sent()
+ while txPackets != packetNum:
+ time.sleep(10)
+ self.stat_get_stat_all_stats(port)
+ txPackets = self.get_frames_sent()
+ rxPackets += self.get_frames_received()
+ self.logger.info("Received packets :%s" % rxPackets)
+
+ return rxPackets
--
2.7.4
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