From: "Liu, Yong" <yong.liu@intel.com>
To: "Zhang, Yuwei1" <yuwei1.zhang@intel.com>, "dts@dpdk.org" <dts@dpdk.org>
Cc: "Zhang, Yuwei1" <yuwei1.zhang@intel.com>
Subject: Re: [dts] [PATCH V1] Add a function used to verify keep packets' order feature
Date: Fri, 10 Nov 2017 05:31:10 +0000 [thread overview]
Message-ID: <86228AFD5BCD8E4EBFD2B90117B5E81E62F14753@SHSMSX103.ccr.corp.intel.com> (raw)
In-Reply-To: <20171102145314.6344-1-yuwei1.zhang@intel.com>
Yuwei,
Look like we can't change packet content for sequence check. Is it possible to do that like latency function?
And another two comments are in inline.
Thanks,
Marvin
> -----Original Message-----
> From: dts [mailto:dts-bounces@dpdk.org] On Behalf Of Yuwei Zhang
> Sent: Thursday, November 02, 2017 10:53 PM
> To: dts@dpdk.org
> Cc: Zhang, Yuwei1 <yuwei1.zhang@intel.com>
> Subject: [dts] [PATCH V1] Add a function used to verify keep packets'
> order feature
>
> use ixia to send and check packets' order captured which could be used to
> verify keep packets' order feature
>
> Signed-off-by: Yuwei Zhang <yuwei1.zhang@intel.com>
> ---
> framework/etgen.py | 20 ++++++++++++++++++++
> framework/tester.py | 7 +++++++
> 2 files changed, 27 insertions(+)
>
> diff --git a/framework/etgen.py b/framework/etgen.py
> index b19ae84..3892252 100644
> --- a/framework/etgen.py
> +++ b/framework/etgen.py
> @@ -558,6 +558,26 @@ class IxiaPacketGenerator(SSHConnection):
> rxPortlist, txPortlist = self._configure_everything(port_list,
> rate_percent)
> return self.get_transmission_results(rxPortlist, txPortlist,
> delay)
>
> + def is_packet_ordered(self, port_list, rate_percent=100, delay=5,
> latency=False):
If argument "rate_percent" is useful, please implement rate setting in this function. Otherwise, please remove it.
> + self.send_expect("port setFactoryDefaults %d %d %d" %
> (self.chasId, self.ports[0]['card'], self.ports[0]['port']), '%')
> + self.send_expect('port config -receiveMode [expr
> $::portCapture|$::portRxFirstTimeStamp|$::portRxSequenceChecking|$::portRx
> ModeWidePacketGroup]', '%')
> + self.send_expect('port config -autonegotiate true', '%')
> + self.send_expect('lappend portTxList [list %d %d %d]' %
> (self.chasId, self.ports[0]['card'], self.ports[0]['port']), '%')
> + self.send_expect('ixWritePortsToHardware portTxList', '%')
> + self.send_expect('set streamId 1', '%')
> + self.send_expect('stream setDefault', '%')
> + self.send_expect('ixStartPortPacketGroups %d %d %d' %
> (self.chasId, self.ports[0]['card'], self.ports[0]['port']), '%')
> + self.send_expect('ixStartTransmit portTxList', '%')
> + self.send_expect('after 1000', '%')
1000 here should be delay * 1000.
> + self.send_expect('ixStopTransmit portTxList', '%')
> + self.send_expect('ixStopPortPacketGroups %d %d %d' % (self.chasId,
> self.ports[0]['card'], self.ports[0]['port']), '%')
> + self.send_expect('after 5000', '%')
> + self.send_expect('packetGroupStats get %d %d %d 1 1' %
> (self.chasId, self.ports[0]['card'], self.ports[0]['port']), '%')
> + self.send_expect('packetroupStats getGroup 1', '%')
> + self.send_expect('set reverseSequenceError [packetGroupStats cget
> -reverseSequenceError]]', '%')
> + output = self.send_expect('puts $reverseSequenceError', '%')
> + return int(output[:-2])
> +
> def _configure_everything(self, port_list, rate_percent,
> latency=False):
> """
> Prepare and configure IXIA ports for performance test.
> diff --git a/framework/tester.py b/framework/tester.py
> index 9208b0e..7062356 100644
> --- a/framework/tester.py
> +++ b/framework/tester.py
> @@ -502,6 +502,13 @@ class Tester(Crb):
> return None
> return self.packet_gen.throughput(portList, rate_percent)
>
> + def verify_packet_order(self, portList, rate_percent=100, delay=5):
> + if self.check_port_list(portList, 'ixia'):
> + return self.ixia_packet_gen.is_packet_ordered(portList,
> rate_percent, delay)
> + else:
> + self.logger.warning("Only ixia port support check verify
> packet order function")
> + return False
> +
> def run_rfc2544(self, portlist, delay=120, permit_loss_rate=0):
> """
> test_rate: the line rate we are going to test.
> --
> 2.14.1.windows.1
prev parent reply other threads:[~2017-11-10 5:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-02 14:53 Yuwei Zhang
2017-11-10 5:31 ` Liu, Yong [this message]
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