Re: [dts] [PATCH V1] tests/vhost_virtio_pmd_interrupt: update code to support trex

["Wang, Yinan" <yinan.wang@intel.com>]

Acked-by: Wang, Yinan <yinan.wang@intel.com>

> -----Original Message-----
> From: dts [mailto:dts-bounces@dpdk.org] On Behalf Of lihong
> Sent: 2019年8月14日 8:20
> To: dts@dpdk.org
> Cc: Ma, LihongX <lihongx.ma@intel.com>
> Subject: [dts] [PATCH V1] tests/vhost_virtio_pmd_interrupt: update code to
> support trex
> 
> Signed-off-by: lihong <lihongx.ma@intel.com>
> ---
>  tests/TestSuite_vhost_virtio_pmd_interrupt.py | 59
> +++++++++++++++------------
>  1 file changed, 33 insertions(+), 26 deletions(-)
> 
> diff --git a/tests/TestSuite_vhost_virtio_pmd_interrupt.py
> b/tests/TestSuite_vhost_virtio_pmd_interrupt.py
> index fbfcf32..41b2b41 100644
> --- a/tests/TestSuite_vhost_virtio_pmd_interrupt.py
> +++ b/tests/TestSuite_vhost_virtio_pmd_interrupt.py
> @@ -38,10 +38,11 @@ import utils
>  import time
>  from virt_common import VM
>  from test_case import TestCase
> -from etgen import IxiaPacketGenerator
> +from packet import Packet, save_packets from pktgen import
> +PacketGeneratorHelper
> 
> 
> -class TestVhostVirtioPmdInterrupt(TestCase, IxiaPacketGenerator):
> +class TestVhostVirtioPmdInterrupt(TestCase):
> 
>      def set_up_all(self):
>          """
> @@ -62,6 +63,13 @@ class TestVhostVirtioPmdInterrupt(TestCase,
> IxiaPacketGenerator):
>          self.logger.info("Please comfirm the kernel of vm greater than 4.8.0 "
>                          "and enable vfio-noiommu in kernel")
> 
> +        self.out_path = '/tmp'
> +        out = self.tester.send_expect('ls -d %s' % self.out_path, '# ')
> +        if 'No such file or directory' in out:
> +            self.tester.send_expect('mkdir -p %s' % self.out_path, '# ')
> +        # create an instance to set stream field setting
> +        self.pktgen_helper = PacketGeneratorHelper()
> +
>      def set_up(self):
>          """
>          Run before each test case.
> @@ -74,25 +82,6 @@ class TestVhostVirtioPmdInterrupt(TestCase,
> IxiaPacketGenerator):
>          self.vhost_user = self.dut.new_session(suite="vhost-user")
>          self.vm_dut = None
> 
> -    def ip(self, port, frag, src, proto, tos, dst, chksum, len,
> -                            options, version, flags, ihl, ttl, id):
> -        """
> -        Configure IP protocol.
> -        """
> -        self.add_tcl_cmd("protocol config -name ip")
> -        self.add_tcl_cmd('ip config -sourceIpAddr "%s"' % src)
> -        if self.fix_ip is False:
> -            self.add_tcl_cmd('ip config -destIpAddrMode ipRandom')
> -        else:
> -            self.add_tcl_cmd('ip config -destIpAddr "%s"' % dst)
> -        self.add_tcl_cmd("ip config -ttl %d" % ttl)
> -        self.add_tcl_cmd("ip config -totalLength %d" % len)
> -        self.add_tcl_cmd("ip config -fragment %d" % frag)
> -        self.add_tcl_cmd("ip config -ipProtocol %d" % proto)
> -        self.add_tcl_cmd("ip config -identifier %d" % id)
> -        self.add_tcl_cmd("stream config -framesize %d" % (len + 18))
> -        self.add_tcl_cmd("ip set %d %d %d" % (self.chasId, port['card'],
> port['port']))
> -
>      def get_core_list(self):
>          """
>          get core list about testpmd
> @@ -160,6 +149,7 @@ class TestVhostVirtioPmdInterrupt(TestCase,
> IxiaPacketGenerator):
>                           "-c %s -n 4 --log-level='user1,7' -- -p 1 -P " + \
>                           "--config '%s' --no-numa  --parse-ptype "
>          command_line_client = command_client % (core_mask_l3fwd,
> config_info)
> +        self.vm_dut.get_session_output(timeout=2)
>          self.vm_dut.send_expect(command_line_client, "POWER", 40)
>          time.sleep(10)
>          out = self.vm_dut.get_session_output() @@ -229,13 +219,30 @@ class
> TestVhostVirtioPmdInterrupt(TestCase, IxiaPacketGenerator):
>              self.verify(change == self.queues,
>                          "There has cores not change the status")
> 
> +    def set_fields(self):
> +        """
> +        set ip protocol field behavior
> +        """
> +        fields_config = {'ip':  {'dst': {'action': 'random'}, }, }
> +        return fields_config
> +
>      def send_packets(self):
>          tgen_input = []
> -
> self.tester.scapy_append('a=[Ether(dst="%s")/IP(src="0.240.74.101",proto=255)/
> UDP()/("X"*18)]' % (self.dst_mac))
> -        self.tester.scapy_append('wrpcap("interrupt.pcap", a)')
> -        self.tester.scapy_execute()
> -        tgen_input.append((self.tx_port, self.tx_port, "interrupt.pcap"))
> -        _, pps = self.tester.traffic_generator_throughput(tgen_input)
> +        if self.fix_ip is True:
> +            pkt = Packet(pkt_type='UDP')
> +        else:
> +            pkt = Packet(pkt_type='IP_RAW')
> +        pkt.config_layer('ether', {'dst': '%s' % self.dst_mac})
> +        save_packets([pkt], "%s/interrupt.pcap" % self.out_path)
> +        tgen_input.append((self.tx_port, self.tx_port, "%s/interrupt.pcap" %
> self.out_path))
> +        self.tester.pktgen.clear_streams()
> +        vm_config = self.set_fields()
> +        if self.fix_ip is True:
> +            vm_config = None
> +        streams =
> self.pktgen_helper.prepare_stream_from_tginput(tgen_input, 100, vm_config,
> self.tester.pktgen)
> +        # set traffic option
> +        traffic_opt = {'delay': 5, 'duration': 20}
> +        _, pps =
> + self.tester.pktgen.measure_throughput(stream_ids=streams,
> + options=traffic_opt)
> 
>      def send_and_verify(self):
>          """
> --
> 2.7.4