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List: dpdk-dts
Subject: Re: [dts] [PATCH V1 1/2] Packet capture: upload automation test plan
From: "Mo, YufengX" <yufengx.mo () intel ! com>
Date: 2017-01-16 5:34:20
Message-ID: B8B15C44A3F2C044966E545C7B73711539FB73D7 () shsmsx102 ! ccr ! corp ! intel ! com
[Download RAW message or body]
hi, Marvin
see below.
> -----Original Message-----
> From: Liu, Yong
> Sent: January 16, 2017 11:08 AM
> To: Mo, YufengX; dts@dpdk.org
> Cc: Mo, YufengX
> Subject: RE: [dts] [PATCH V1 1/2] Packet capture: upload automation test plan
>
> Yufen,
> Please make sure all lines in test plan and commit are limited to 79 characters.
> And some comments and questions below.
>
> Thanks,
> Marvin
>
> > -----Original Message-----
> > From: dts [mailto:dts-bounces@dpdk.org] On Behalf Of yufengx.mo@intel.com
> > Sent: Monday, January 16, 2017 10:49 AM
> > To: dts@dpdk.org
> > Cc: Mo, YufengX <yufengx.mo@intel.com>
> > Subject: [dts] [PATCH V1 1/2] Packet capture: upload automation test plan
> >
> > From: yufengmx <yufengx.mo@intel.com>
> >
> >
> > Packet capture framework feature support packet capturing on dpdk ethernet
> > devices.
> > DPDK provides dpdk-pdump tool under app/pdump directory for packet
> > capturing on dpdk.
> >
> > The tool is a Data Plane Development Kit (DPDK) tool that runs as a DPDK
> > secondary process and is capable of enabling packet capture on dpdk ports.
> > * The tool depends on libpcap based PMD which is disabled
> > by default in the build configuration files,
> > owing to an external dependency on the libpcap development files
> > which must be installed on the board.
> > Once the libpcap development files are installed, the libpcap based PMD
> > can be enabled by setting CONFIG_RTE_LIBRTE_PMD_PCAP=y and
> > recompiling the DPDK.
> >
> > Signed-off-by: yufengmx <yufengx.mo@intel.com>
> > ---
> > test_plans/packet_capture_test_plan.rst | 376
> > ++++++++++++++++++++++++++++++++
> > 1 file changed, 376 insertions(+)
> > create mode 100644 test_plans/packet_capture_test_plan.rst
> >
> > diff --git a/test_plans/packet_capture_test_plan.rst
> > b/test_plans/packet_capture_test_plan.rst
> > new file mode 100644
> > index 0000000..6a51cf9
> > --- /dev/null
> > +++ b/test_plans/packet_capture_test_plan.rst
> > @@ -0,0 +1,376 @@
> > +.. Copyright (c) <2016> Intel Corporation
> > + All rights reserved.
> > +
> > + Redistribution and use in source and binary forms, with or without
> > + modification, are permitted provided that the following conditions
> > + are met:
> > +
> > + - Redistributions of source code must retain the above copyright
> > + notice, this list of conditions and the following disclaimer.
> > +
> > + - Redistributions in binary form must reproduce the above copyright
> > + notice, this list of conditions and the following disclaimer in
> > + the documentation and/or other materials provided with the
> > + distribution.
> > +
> > + - Neither the name of Intel Corporation nor the names of its
> > + contributors may be used to endorse or promote products derived
> > + from this software without specific prior written permission.
> > +
> > + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
> > CONTRIBUTORS
> > + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> > + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
> > + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
> > + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
> > INDIRECT,
> > + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
> > + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> > OR
> > + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> > + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
> > CONTRACT,
> > + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
> > + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
> > + OF THE POSSIBILITY OF SUCH DAMAGE.
> > +
> > +==================
> > + packet capture framework feature
> > +==================
> > +
> > +Packet capture framework feature support packet capturing on dpdk ethernet
> > devices.
> > +DPDK provides dpdk-pdump tool under app/pdump directory for packet
> > capturing on dpdk.
> > +
> > +The dpdk-pdump application will act as the secondary process. The EAL
> > +thread polls for packet capture fd. If fd polled matches packet capture
> > +fd, it will initiate packet capture processing.
> > +
> > +The testpmd application will act as the primary process. The primary
> > +process create socket for packet capture connection with the secondary
> > +process and registers socket with packet capture epoll event. Packet capture
> > event will be polled as part of interrupt thread.
> > +
> > +The primary process creates mempool and two rte_rings for packets
> > +duplication and sharing packet info with the secondary process respectively.
> > +
> > +Upon receiving packet capture event, the primary process receive either
> > +register RX/TX callbacks or remove RX/TX callbacks message from the
> > +secondary process on socket.If packet matches, reference count of
> > +packet will be incremented and enqueued to second rte_ring for the secondary
> > process to use.
> > +
> > +Prerequisites
> > +=============
> > +* 2x NICs (2 full duplex ports per NIC) plugged into the available
> > +slots on a platform, another two nic ports are linked with cables.
> > +
> > +Test cases
> > +=============
> > +The testpmd application act as server process with port-topology
> > +chained mode, the dpdk-pdump act as client process to dump capture
> > +packet with different options setting. Select one port of tester as tx
> > +port, another port of tester as rx port, send different type packets
> > +from two ports, check pcap files' content dumped by scapy and tcpdump to
> > confirm testpmd working correctly, check pcap files' content dumped by
> > tcpdump and dpdk-pdump to confirm dpdk-pdump working correctly.
> > +
> > +dpdk-pdump command format
> > +--------------------------
> > +* packet capture framework tool dpdk-pdump command format, parameters
> > +inside the parenthesis represents the mandatory parametersm parameters
>
> Typo issue, "parametersm" should be ?
>
> > +inside the square brackets represents optional
> > +parameters::
> > +./x86_64-native-linuxapp-gcc/app/dpdk-pdump -- --pdump= '(port =
> > +<port_id> |device_id = <pci address>), (queue=<queue number>),
> > +(rx-dev=<iface/path to pcap file> | tx-dev=<iface/path to pcap file>),
> > +[ring-size=<size>], [mbuf-size=<size>], [total-num-mbufs=<size>]'
> > +
> > +transmission packets' format
> > +--------------------------
> > +* IP_RAW
> > + [Ether()/IP()/Raw('\0'*60)]
> > +* TCP
> > + [Ether()/IP()/TCP()/Raw('\0'*60)]
> > +* UDP
> > + [Ether()/IP()/UDP()/Raw('\0'*60)]
> > +* SCTP
> > + [Ether()/IP()/SCTP()/Raw('\0'*40)]
> > +* IPv6_TCP
> > + [Ether()/IPv6()/TCP()/Raw('\0'*60)]
> > +* IPv6_UDP
> > + [Ether()/IPv6()/UDP()/Raw('\0'*60)]
> > +* IPv6_SCTP
> > + [Ether()/IP()/IPv6()/SCTP()/Raw('\0'*40)]
> > +* VLAN_UDP
> > + [Ether()/Dot1Q()/IP()/UDP()/Raw('\0'*40)]
> > +* TIMESYNC
> > + [Ether(dst='FF:FF:FF:FF:FF:FF',type=0x88f7)/"\\x00\\x02"]
> > +* ARP
> > + [Ether(dst='FF:FF:FF:FF:FF:FF')/ARP()]
> > +* LLDP
> > + [Ether()/LLDP()/LLDPManagementAddress()]
> > + notice: LLDP()/LLDPManagementAddress() method are in dts/dep/lldp.py
> > +
> > +port configuration
> > +--------------------------
> > +* confirm two NICs physical link on a platform:
> > + dut port 0 <---> tester port 0
> > + dut port 1 <---> tester port 1
> > +
> > +* Bind two port on DUT::
> > + ./tools/dpdk_nic_bind.py --bind=igb_uio <dut port 0 pci address> <dut
> > +port 1 pci address>
> > +
> Tools folder has been changed to usertools.
>
> > +* On dut, use port 0 as rx/tx port.
> > + If dut port 0 rx dump is set, scapy send packet from tester port 0
> > +and tcpdump dumps tester
> > + port 1's packet.
> > +
> > + If dut port 0 tx dump is set, scapy send packet from tester port 1
> > + and tcpdump dumps tester port 0's packet.
> > +
> > +* If using interfaces as dpdk-pdump vdev, prepare two ports on DUT,
> > +which haven't been binded
> > + to dpdk and have been in linked status
> > +
> > +Test Case 1: test pdump port
> > +=================================
> > +test different port options::
> > +* port=<dut port id>
> > +* device_id=<dut pci address>
> > +
> > +Boot up dpdk's testpmd with chained option::
> > + ./x86_64-native-linuxapp-gcc/app/testpmd -c 0x6 -n 4 -- -i --port-
> > topology=chained
> > + testpmd> set fwd io
> > + testpmd> start
> > +
> Recommend to remove targets which will be change between executions.
>
> > +When test VLAN_UDP type packet transmission, set vlan:
> > + testpmd> vlan set filter off 1
> > + testpmd> start
> > +
> > +Boot up dpdk-pdump::
> > + ./x86_64-native-linuxapp-gcc/app/dpdk-pdump -- --pdump '<port
> > option>,queue=*,\
> > + tx-dev=/tmp/pdump-tx.pcap,rx-dev=/tmp/pdump-rx.pcap'
> > +
> > +Set up linux's tcpdump to receiver packet on tester::
> > + tcpdump -i <rx port name> -w /tmp/sniff-<rx port name>.pcap
> > + tcpdump -i <tx port name> -w /tmp/sniff-<tx port name>.pcap
> > +
> > +Send packet on tester by port 0::
> > + sendp(<packet format>, iface=<port 0 name>)
> > +
> > +Compare pcap file of scapy with the pcap file dumped by tcpdump.
> > +Compare pcap file dumped by dpdk-pdump with pcap files dumped by tcpdump.
> > +
> > +Send packet on tester by port 1::
> > + sendp(<packet format>, iface=<port 1 name>)
> > +
> > +Compare pcap file of scapy with the pcap file dumped by tcpdump.
> > +Compare pcap file dumped by dpdk-pdump with pcap files dumped by tcpdump.
> > +
> > +Test Case 2: test pdump queue
> > +=================================
> > +test different queue options::
> > +* first queue:
> > + queue=0
> > +* all:
> > + queue=*
>
> Please add some basic description of this parameter. Like "Capture first queue \
> traffic".
> > +
> > +Boot up dpdk's testpmd with chained option::
> > + ./x86_64-native-linuxapp-gcc/app/testpmd -c 0x6 -n 4 -- -i --port-
> > topology=chained
> > + testpmd> set fwd io
> > + testpmd> start
> > +
> > +When test VLAN_UDP type packet transmission, set vlan:
> > + testpmd> vlan set filter off 1
> > + testpmd> start
> > +
> > +Boot up dpdk-pdump::
> > + ./x86_64-native-linuxapp-gcc/app/dpdk-pdump -- --pdump 'port=0,<queue
> > option>,\
> > + tx-dev=/tmp/pdump-tx.pcap,rx-dev=/tmp/pdump-rx.pcap'
> > +
> > +Set up linux's tcpdump to receiver packet on tester::
> > + tcpdump -i <rx port name> -w /tmp/sniff-<rx port name>.pcap
> > + tcpdump -i <tx port name> -w /tmp/sniff-<tx port name>.pcap
> > +
> > +Send packet on tester by port 0::
> > + sendp(<packet format>, iface=<port 0 name>)
> > +
> > +Compare pcap file of scapy with the pcap file dumped by tcpdump.
> > +Compare pcap file dumped by dpdk-pdump with pcap files dumped by tcpdump.
> > +
> > +Send packet on tester by port 1::
> > + sendp(<packet format>, iface=<port 1 name>)
> > +
> > +Compare pcap file of scapy with the pcap file dumped by tcpdump.
> > +Compare pcap file dumped by dpdk-pdump with pcap files dumped by tcpdump.
> > +
> > +Test Case 3: test pdump dev pcap
> > +=================================
>
> Underscore please align with test case name.
>
> > +test different dump options::
> > +* tx-dev=/tmp/pdump-tx.pcap,rx-dev=/tmp/pdump-rx.pcap
> > +* rx-dev=/tmp/pdump-rx.pcap
> > +* tx-dev=/tmp/pdump-tx.pcap
>
> Same as previous comment, add basic descriptions for these parameters.
>
> > +
> > +Boot up dpdk's testpmd with chained option::
> > + ./x86_64-native-linuxapp-gcc/app/testpmd -c 0x6 -n 4 -- -i --port-
> > topology=chained
> > + testpmd> set fwd io
> > + testpmd> start
> > +
> > +When test VLAN_UDP type packet transmission, set vlan:
> > + testpmd> vlan set filter off 1
> > + testpmd> start
> > +
> > +Boot up dpdk-pdump with pdump options::
> > + ./x86_64-native-linuxapp-gcc/app/dpdk-pdump -- --pdump
> > 'port=0,queue=*,<dump object>'
> > +
> > +Set up linux's tcpdump to receiver packet on tester::
> > + tcpdump -i <rx port name> -w /tmp/sniff-<rx port name>.pcap
> > + tcpdump -i <tx port name> -w /tmp/sniff-<tx port name>.pcap
> > +
> > +Send packet on tester by port 0::
> > + sendp(<packet format>, iface=<port 0 name>)
> > +
> > +Compare pcap file of scapy with the pcap file dumped by tcpdump.
> > +Compare pcap file dumped by dpdk-pdump with pcap files dumped by
> > tcpdump(ignore when only set tx-dev).
> > +
> > +Send packet on tester by port 1::
> > + sendp(<packet format>, iface=<port 1 name>)
> > +
> > +Compare pcap file of scapy with the pcap file dumped by tcpdump.
> > +Compare pcap file dumped by dpdk-pdump with pcap files dumped by
> > tcpdump(ignore when only set rx-dev).
> > +
> > +Test Case 4: test pdump dev iface
> > +=================================
> > +test different dump options::
> > +* tx-dev=<dut tx port name>,rx-dev=<dut rx port name>
> > +* rx-dev=<dut rx port name>
> > +* tx-dev=<dut tx port name>
> > +
> > +Boot up dpdk's testpmd with chained option::
> > + ./x86_64-native-linuxapp-gcc/app/testpmd -c 0x6 -n 4 -- -i --port-
> > topology=chained
> > + testpmd> set fwd io
> > + testpmd> start
> > +
> > +When test VLAN_UDP type packet transmission, set vlan:
> > + testpmd> vlan set filter off 1
> > + testpmd> start
> > +
> > +Boot up dpdk-pdump with pdump options::
> > + ./x86_64-native-linuxapp-gcc/app/dpdk-pdump -- --pdump
> > 'port=0,queue=*,<dump object>'
> > +
> > +Set up linux's tcpdump to receiver packet on tester::
> > + tcpdump -i <rx port name> -w /tmp/sniff-<rx port name>.pcap
> > + tcpdump -i <tx port name> -w /tmp/sniff-<tx port name>.pcap
> > +
> > +Set up linux's tcpdump to receiver packet of dpdk-pdump on Dut::
> > + when rx-dev is set
> > + tcpdump -i <dut rx port name> -w /tmp/pdump-rx.pcap
> > +
> > + when tx-dev is set
> > + tcpdump -i <dut tx port name> -w /tmp/pdump-tx.pcap
> > +
> > +Send packet on tester by port 0::
> > + sendp(<packet format>, iface=<port 0 name>)
> > +
> > +Compare pcap file of scapy with the pcap file dumped by tcpdump.
> > +Compare pcap file dumped by dpdk-pdump with pcap files dumped by
> > tcpdump(ignore when only set tx-dev).
> > +
> > +Send packet on tester by port 1::
> > + sendp(<packet format>, iface=<port 1 name>)
> > +
> > +Compare pcap file of scapy with the pcap file dumped by tcpdump.
> > +Compare pcap file dumped by dpdk-pdump with pcap files dumped by
> > tcpdump(ignore when only set rx-dev).
> > +
> > +Test Case 5: test pdump ring size
> > +=================================
> > +test ring size option, set value within 2^[1~27]
> > +
> > +Boot up dpdk's testpmd with chained option::
> > + ./x86_64-native-linuxapp-gcc/app/testpmd -c 0x6 -n 4 -- -i --port-
> > topology=chained
> > + testpmd> set fwd io
> > + testpmd> start
> > +
> > +When test VLAN_UDP type packet transmission, set vlan:
> > + testpmd> vlan set filter off 1
> > + testpmd> start
> > +
> > +Boot up dpdk-pdump with pdump options::
> > + ./x86_64-native-linuxapp-gcc/app/dpdk-pdump -- --pdump
> > 'port=0,queue=*,\
> > + tx-dev=/tmp/pdump-tx.pcap,rx-dev=/tmp/pdump-rx.pcap,ring-size=1024'
> > +
> > +Set up linux's tcpdump to receiver packet on tester::
> > + tcpdump -i <rx port name> -w /tmp/sniff-<rx port name>.pcap
> > + tcpdump -i <tx port name> -w /tmp/sniff-<tx port name>.pcap
> > +
> > +Send packet on tester by port 0::
> > + sendp(<packet format>, iface=<port 0 name>)
> > +
> > +Compare pcap file of scapy with the pcap file dumped by tcpdump.
> > +Compare pcap file dumped by dpdk-pdump with pcap files dumped by tcpdump.
> > +
> > +Send packet on tester by port 1::
> > + sendp(<packet format>, iface=<port 1 name>)
> > +
> > +Compare pcap file of scapy with the pcap file dumped by tcpdump.
> > +Compare pcap file dumped by dpdk-pdump with pcap files dumped by tcpdump.
> > +
> > +Test Case 6: test pdump mbuf size
> > +=================================
> > +test mbuf size option, set value within [252~59520]. min value is
> > +decided by single packet size, max value is decided by test platform memery
> > size.
>
> Typo issue, should be "memory".
> Should here to verify what will be happened when packet size is over mbuf size?
[Mo, YufengX] when size is beyon the range, dpdk-pdump won't boot up. Do you want to \
add a verification.
will it do the same verification for other range checking?
> Suggest add one case for jumbo frame packet capture, not sure whether jumbo frame \
> should be validated here.
[Mo, YufengX] Do you mean to write a new case for jumbo frame?
>
> > +
> > +
> > +Boot up dpdk's testpmd with chained option::
> > + ./x86_64-native-linuxapp-gcc/app/testpmd -c 0x6 -n 4 -- -i --port-
> > topology=chained
> > + testpmd> set fwd io
> > + testpmd> start
> > +
> > +When test VLAN_UDP type packet transmission, set vlan:
> > + testpmd> vlan set filter off 1
> > + testpmd> start
> > +
> > +Boot up dpdk-pdump with pdump options::
> > + ./x86_64-native-linuxapp-gcc/app/dpdk-pdump -- --pdump
> > 'port=0,queue=*,\
> > + tx-dev=/tmp/pdump-tx.pcap,rx-dev=/tmp/pdump-rx.pcap,mbuf-size=2048'
> > +
> > +Set up linux's tcpdump to receiver packet on tester::
> > + tcpdump -i <rx port name> -w /tmp/sniff-<rx port name>.pcap
> > + tcpdump -i <tx port name> -w /tmp/sniff-<tx port name>.pcap
> > +
> > +Send packet on tester by port 0::
> > + sendp(<packet format>, iface=<port 0 name>)
> > +
> > +Compare pcap file of scapy with the pcap file dumped by tcpdump.
> > +Compare pcap file dumped by dpdk-pdump with pcap files dumped by tcpdump.
> > +
> > +Send packet on tester by port 1::
> > + sendp(<packet format>, iface=<port 1 name>)
> > +
> > +Compare pcap file of scapy with the pcap file dumped by tcpdump.
> > +Compare pcap file dumped by dpdk-pdump with pcap files dumped by tcpdump.
> > +
> > +Test Case 7: test pdump total num mbufs
> > +=================================
> > +test total-num-mbufs option, set value within [1025~65535]
>
> What will be affected when change the number? I think mbuf will be freed after \
> packet saved into pcap file.
> Will it affect the performance?
[Mo, YufengX] no things happen when total-num-mbufs changes. Currently, test case \
will reboot dpdk-pdump/testpmd
after each different option finish testing.
Within those email discussed with Reshma, she has mentioned that dpdk-pdump don't \
work for performance, you are are in
maillist too.
>
> > +
> > +Boot up dpdk's testpmd with chained option::
> > + ./x86_64-native-linuxapp-gcc/app/testpmd -c 0x6 -n 4 -- -i --port-
> > topology=chained
> > + testpmd> set fwd io
> > + testpmd> start
> > +
> > +When test VLAN_UDP type packet transmission, set vlan:
> > + testpmd> vlan set filter off 1
> > + testpmd> start
> > +
> > +Boot up dpdk-pdump with pdump options::
> > + ./x86_64-native-linuxapp-gcc/app/dpdk-pdump -- --pdump
> > 'port=0,queue=*,\
> > + tx-dev=/tmp/pdump-tx.pcap,rx-dev=/tmp/pdump-rx.pcap,total-num-
> > mbufs=8191'
> > +
> > +Set up linux's tcpdump to receiver packet on tester::
> > + tcpdump -i <rx port name> -w /tmp/sniff-<rx port name>.pcap
> > + tcpdump -i <tx port name> -w /tmp/sniff-<tx port name>.pcap
> > +
> > +Send packet on tester by port 0::
> > + sendp(<packet format>, iface=<port 0 name>)
> > +
> > +Compare pcap file of scapy with the pcap file dumped by tcpdump.
> > +Compare pcap file dumped by dpdk-pdump with pcap files dumped by tcpdump.
> > +
> > +Send packet on tester by port 1::
> > + sendp(<packet format>, iface=<port 1 name>)
> > +
> > +Compare pcap file of scapy with the pcap file dumped by tcpdump.
> > +Compare pcap file dumped by dpdk-pdump with pcap files dumped by tcpdump.
> > +
> > --
> > 1.9.3
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<p class="MsoPlainText">hi, Marvin<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">see below.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">> -----Original Message-----<o:p></o:p></p>
<p class="MsoPlainText">> From: Liu, Yong<o:p></o:p></p>
<p class="MsoPlainText">> Sent: January 16, 2017 11:08 AM<o:p></o:p></p>
<p class="MsoPlainText">> To: Mo, <span class="SpellE">YufengX</span>; \
dts@dpdk.org<o:p></o:p></p> <p class="MsoPlainText">> Cc: Mo, <span \
class="SpellE">YufengX</span><o:p></o:p></p> <p class="MsoPlainText">> Subject: \
RE: [<span class="SpellE">dts</span>] [PATCH V1 1/2] Packet capture: upload \
automation test plan<o:p></o:p></p> <p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">> <span class="SpellE">Yufen</span>,<o:p></o:p></p>
<p class="MsoPlainText">> Please make sure all lines in test plan and commit are \
limited to 79 characters.<o:p></o:p></p> <p class="MsoPlainText">> And some \
comments and questions below.<o:p></o:p></p> <p class="MsoPlainText">> \
<o:p></o:p></p> <p class="MsoPlainText">> Thanks,<o:p></o:p></p>
<p class="MsoPlainText">> Marvin<o:p></o:p></p>
<p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">> > -----Original Message-----<o:p></o:p></p>
<p class="MsoPlainText">> > From: <span class="SpellE">dts</span> \
[mailto:dts-bounces@dpdk.org] On Behalf Of yufengx.mo@intel.com<o:p></o:p></p> <p \
class="MsoPlainText">> > Sent: Monday, January 16, 2017 10:49 AM<o:p></o:p></p> \
<p class="MsoPlainText">> > To: dts@dpdk.org<o:p></o:p></p> <p \
class="MsoPlainText">> > Cc: Mo, <span class="SpellE">YufengX</span> \
<yufengx.mo@intel.com><o:p></o:p></p> <p class="MsoPlainText">> > \
Subject: [<span class="SpellE">dts</span>] [PATCH V1 1/2] Packet capture: upload \
automation test plan<o:p></o:p></p> <p class="MsoPlainText">> ><o:p></o:p></p>
<p class="MsoPlainText">> > From: <span class="SpellE">yufengmx</span> \
<yufengx.mo@intel.com><o:p></o:p></p> <p class="MsoPlainText">> \
><o:p></o:p></p> <p class="MsoPlainText">> ><o:p></o:p></p>
<p class="MsoPlainText">> > Packet capture framework feature support packet \
capturing on <span class="SpellE">dpdk</span> <span \
class="SpellE">ethernet</span><o:p></o:p></p> <p class="MsoPlainText">> > \
devices.<o:p></o:p></p> <p class="MsoPlainText">> > DPDK provides <span \
class="SpellE">dpdk-pdump</span> tool under app/<span class="SpellE">pdump</span> \
directory for packet<o:p></o:p></p> <p class="MsoPlainText">> > capturing on \
<span class="SpellE">dpdk</span>.<o:p></o:p></p> <p class="MsoPlainText">> \
><o:p></o:p></p> <p class="MsoPlainText">> > The<span \
style="mso-spacerun:yes"> </span>tool is a Data Plane Development Kit (DPDK) \
tool that runs as a DPDK<o:p></o:p></p> <p class="MsoPlainText">> > secondary \
process and is capable of enabling packet capture on <span class="SpellE">dpdk</span> \
ports.<o:p></o:p></p> <p class="MsoPlainText">> ><span \
style="mso-spacerun:yes"> </span>* The<span \
style="mso-spacerun:yes"> </span>tool depends on <span \
class="SpellE">libpcap</span> based PMD which is disabled<o:p></o:p></p> <p \
class="MsoPlainText">> ><span style="mso-spacerun:yes"> \
</span>by default in the build configuration files,<o:p></o:p></p> <p \
class="MsoPlainText">> ><span style="mso-spacerun:yes"> \
</span>owing to an external dependency on the <span class="SpellE">libpcap</span> \
development files<o:p></o:p></p> <p class="MsoPlainText">> ><span \
style="mso-spacerun:yes"> </span>which must be installed on \
the board.<o:p></o:p></p> <p class="MsoPlainText">> ><span \
style="mso-spacerun:yes"> </span>Once the <span \
class="SpellE"> libpcap</span> development files are installed, the <span \
class="SpellE">libpcap</span> based PMD<o:p></o:p></p> <p class="MsoPlainText">> \
><span style="mso-spacerun:yes"> </span>can be enabled by \
setting CONFIG_RTE_LIBRTE_PMD_PCAP=y and<o:p></o:p></p> <p class="MsoPlainText">> \
> recompiling the DPDK.<o:p></o:p></p> <p class="MsoPlainText">> \
><o:p></o:p></p> <p class="MsoPlainText">> > Signed-off-by: <span \
class="SpellE">yufengmx</span> <yufengx.mo@intel.com><o:p></o:p></p> <p \
class="MsoPlainText">> > ---<o:p></o:p></p> <p class="MsoPlainText">> \
><span style="mso-spacerun:yes"> </span><span \
class="SpellE">test_plans</span>/<span \
class="SpellE">packet_capture_test_plan.rst</span> | 376<o:p></o:p></p> <p \
class="MsoPlainText">> > \
+++++++++++++++++& \
#43;++++++++++++++<o:p></o:p></p>
<p class="MsoPlainText">> ><span style="mso-spacerun:yes"> </span>1 file \
changed, 376 insertions(+)<o:p></o:p></p> <p class="MsoPlainText">> ><span \
style="mso-spacerun:yes"> </span>create mode 100644 <span \
class="SpellE">test_plans</span>/<span \
class="SpellE">packet_capture_test_plan.rst</span><o:p></o:p></p> <p \
class="MsoPlainText">> ><o:p></o:p></p> <p class="MsoPlainText">> > diff \
--<span class="SpellE">git</span> a/<span class="SpellE">test_plans</span>/<span \
class="SpellE">packet_capture_test_plan.rst</span><o:p></o:p></p> <p \
class="MsoPlainText">> > b/<span class="SpellE">test_plans</span>/<span \
class="SpellE">packet_capture_test_plan.rst</span><o:p></o:p></p> <p \
class="MsoPlainText">> > new file mode 100644<o:p></o:p></p> <p \
class="MsoPlainText">> > index 0000000..6a51cf9<o:p></o:p></p> <p \
class="MsoPlainText">> > --- /<span \
class="SpellE">dev</span>/null<o:p></o:p></p> <p class="MsoPlainText">> > \
+++ b/<span class="SpellE">test_plans</span>/<span \
class="SpellE">packet_capture_test_plan.rst</span><o:p></o:p></p> <p \
class="MsoPlainText">> > @@ -0,0 +1,376 @@<o:p></o:p></p> <p \
class="MsoPlainText">> > +.. Copyright (c) <2016> Intel \
Corporation<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span>All rights reserved.<o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> > \
+<span style="mso-spacerun:yes"> </span>Redistribution and use in \
source and binary forms, with or without<o:p></o:p></p> <p class="MsoPlainText">> \
> +<span style="mso-spacerun:yes"> </span>modification, are \
permitted provided that the following conditions<o:p></o:p></p> <p \
class="MsoPlainText">> > +<span style="mso-spacerun:yes"> \
</span>are met:<o:p></o:p></p> <p class="MsoPlainText">> > +<o:p></o:p></p>
<p class="MsoPlainText">> > +<span style="mso-spacerun:yes"> \
</span>- Redistributions of source code must retain the above \
copyright<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span>notice, this list of \
conditions and the following disclaimer.<o:p></o:p></p> <p class="MsoPlainText">> \
> +<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span>- Redistributions in binary form must \
reproduce the above copyright<o:p></o:p></p> <p class="MsoPlainText">> > \
+<span style="mso-spacerun:yes"> </span>notice, this list \
of conditions and the following disclaimer in<o:p></o:p></p> <p \
class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span>the documentation and/or \
other materials provided with the<o:p></o:p></p> <p class="MsoPlainText">> > \
+<span style="mso-spacerun:yes"> \
</span>distribution.<o:p></o:p></p> <p class="MsoPlainText">> > \
+<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span>- Neither the name of Intel Corporation \
nor the names of its<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span>contributors may be used to \
endorse or promote products derived<o:p></o:p></p> <p class="MsoPlainText">> > \
+<span style="mso-spacerun:yes"> </span>from this \
software without specific prior written permission.<o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> > \
+<span style="mso-spacerun:yes"> </span>THIS SOFTWARE IS PROVIDED BY \
THE COPYRIGHT HOLDERS AND<o:p></o:p></p> <p class="MsoPlainText">> > \
CONTRIBUTORS<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span>"AS IS" AND ANY EXPRESS OR \
IMPLIED WARRANTIES, INCLUDING, BUT NOT<o:p></o:p></p> <p class="MsoPlainText">> \
> +<span style="mso-spacerun:yes"> </span>LIMITED TO, THE IMPLIED \
WARRANTIES OF MERCHANTABILITY AND FITNESS<o:p></o:p></p> <p class="MsoPlainText">> \
> +<span style="mso-spacerun:yes"> </span>FOR A PARTICULAR PURPOSE \
ARE DISCLAIMED. IN NO EVENT SHALL THE<o:p></o:p></p> <p class="MsoPlainText">> \
> +<span style="mso-spacerun:yes"> </span>COPYRIGHT OWNER OR \
CONTRIBUTORS BE LIABLE FOR ANY DIRECT,<o:p></o:p></p> <p class="MsoPlainText">> \
> INDIRECT,<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span>INCIDENTAL, SPECIAL, EXEMPLARY, OR \
CONSEQUENTIAL DAMAGES<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span>(INCLUDING, BUT NOT LIMITED TO, \
PROCUREMENT OF SUBSTITUTE GOODS<o:p></o:p></p> <p class="MsoPlainText">> > \
OR<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span>SERVICES; LOSS OF USE, DATA, OR PROFITS; \
OR BUSINESS INTERRUPTION)<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span>HOWEVER CAUSED AND ON ANY THEORY OF \
LIABILITY, WHETHER IN<o:p></o:p></p> <p class="MsoPlainText">> > \
CONTRACT,<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span>STRICT LIABILITY, OR TORT (INCLUDING \
NEGLIGENCE OR OTHERWISE)<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span>ARISING IN ANY WAY OUT OF THE USE OF \
THIS SOFTWARE, EVEN IF ADVISED<o:p></o:p></p> <p class="MsoPlainText">> > \
+<span style="mso-spacerun:yes"> </span>OF THE POSSIBILITY OF SUCH \
DAMAGE.<o:p></o:p></p> <p class="MsoPlainText">> > +<o:p></o:p></p>
<p class="MsoPlainText">> > +==================<o:p></o:p></p>
<p class="MsoPlainText">> > +<span style="mso-spacerun:yes"> \
</span>packet capture framework feature<o:p></o:p></p> <p class="MsoPlainText">> \
> +==================<o:p></o:p></p> <p class="MsoPlainText">> > \
+<o:p></o:p></p> <p class="MsoPlainText">> > +Packet capture framework \
feature support packet capturing on <span class="SpellE">dpdk</span> <span \
class="SpellE">ethernet</span><o:p></o:p></p> <p class="MsoPlainText">> > \
devices.<o:p></o:p></p> <p class="MsoPlainText">> > +DPDK provides <span \
class="SpellE">dpdk-pdump</span> tool under app/<span class="SpellE">pdump</span> \
directory for packet<o:p></o:p></p> <p class="MsoPlainText">> > capturing on \
<span class="SpellE">dpdk</span>.<o:p></o:p></p> <p class="MsoPlainText">> > \
+<o:p></o:p></p> <p class="MsoPlainText">> > +The <span \
class="SpellE">dpdk-pdump</span> application will act as the secondary process. The \
EAL<o:p></o:p></p> <p class="MsoPlainText">> > +thread polls for packet \
capture <span class="SpellE"> fd</span>. If <span class="SpellE">fd</span> polled \
matches packet capture<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
class="SpellE">fd</span>, it will initiate packet capture processing.<o:p></o:p></p> \
<p class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> \
> +The <span class="SpellE">testpmd</span> application will act as the primary \
process. The primary<o:p></o:p></p> <p class="MsoPlainText">> > +process \
create socket for packet capture connection with the secondary<o:p></o:p></p> <p \
class="MsoPlainText">> > +process and registers socket with packet capture \
<span class="SpellE"> epoll</span> event. Packet capture<o:p></o:p></p>
<p class="MsoPlainText">> > event will be polled as part of interrupt \
thread.<o:p></o:p></p> <p class="MsoPlainText">> > +<o:p></o:p></p>
<p class="MsoPlainText">> > +The primary process creates <span \
class="SpellE">mempool</span> and two <span class="SpellE">rte_rings</span> for \
packets<o:p></o:p></p> <p class="MsoPlainText">> > +duplication and sharing \
packet info with the secondary process respectively.<o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> > \
+Upon receiving packet capture event, the primary process receive \
either<o:p></o:p></p> <p class="MsoPlainText">> > +register RX/TX callbacks \
or remove RX/TX callbacks message from the<o:p></o:p></p> <p \
class="MsoPlainText">> > +secondary process on <span \
class="SpellE">socket.If</span> packet matches, reference count of<o:p></o:p></p> <p \
class="MsoPlainText">> > +packet will be incremented and <span \
class="SpellE"> enqueued</span> to second <span class="SpellE">rte_ring</span> for \
the secondary<o:p></o:p></p> <p class="MsoPlainText">> > process to \
use.<o:p></o:p></p> <p class="MsoPlainText">> > +<o:p></o:p></p>
<p class="MsoPlainText">> > +Prerequisites<o:p></o:p></p>
<p class="MsoPlainText">> > +=============<o:p></o:p></p>
<p class="MsoPlainText">> > +* 2x NICs (2 full duplex ports per NIC) \
plugged into the available<o:p></o:p></p> <p class="MsoPlainText">> > \
+slots on a platform, another two <span class="SpellE"> nic</span> ports are \
linked with cables.<o:p></o:p></p> <p class="MsoPlainText">> > \
+<o:p></o:p></p> <p class="MsoPlainText">> > +Test cases<o:p></o:p></p>
<p class="MsoPlainText">> > +=============<o:p></o:p></p>
<p class="MsoPlainText">> > +The <span class="SpellE">testpmd</span> \
application act as server process with port-topology<o:p></o:p></p> <p \
class="MsoPlainText">> > +chained mode, the <span \
class="SpellE">dpdk-pdump</span> act as client process to dump capture<o:p></o:p></p> \
<p class="MsoPlainText">> > +packet with different options setting. Select \
one port of tester as <span class="SpellE">tx</span><o:p></o:p></p>
<p class="MsoPlainText">> > +port, another port of tester as <span \
class="SpellE"> rx</span> port, send different type packets<o:p></o:p></p>
<p class="MsoPlainText">> > +from two ports, check <span \
class="SpellE">pcap</span> files' content dumped by <span class="SpellE">scapy</span> \
and <span class="SpellE">tcpdump</span> to<o:p></o:p></p> <p \
class="MsoPlainText">> > confirm <span class="SpellE">testpmd</span> working \
correctly, check <span class="SpellE">pcap</span> files' content dumped \
by<o:p></o:p></p> <p class="MsoPlainText">> > <span \
class="SpellE">tcpdump</span> and <span class="SpellE"> dpdk-pdump</span> to confirm \
<span class="SpellE">dpdk-pdump</span> working correctly.<o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> > \
+<span class="SpellE">dpdk-pdump</span> command format<o:p></o:p></p> <p \
class="MsoPlainText">> > +--------------------------<o:p></o:p></p> <p \
class="MsoPlainText">> > +* packet capture framework tool <span \
class="SpellE"> dpdk-pdump</span> command format, parameters<o:p></o:p></p>
<p class="MsoPlainText">> > +inside the parenthesis represents the \
mandatory <span class="SpellE"> parametersm</span> parameters<o:p></o:p></p>
<p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">> Typo issue, "<span \
class="SpellE">parametersm</span>" should be ?<o:p></o:p></p> <p \
class="MsoPlainText">> <o:p></o:p></p> <p class="MsoPlainText">> > \
+inside the square brackets represents optional<o:p></o:p></p> <p \
class="MsoPlainText">> > +parameters::<o:p></o:p></p> <p \
class="MsoPlainText">> > +./x86_64-native-linuxapp-gcc/app/<span \
class="SpellE">dpdk-pdump</span> -- --<span class="SpellE">pdump</span>= '(port \
=<o:p></o:p></p> <p class="MsoPlainText">> > +<<span \
class="SpellE">port_id</span>> |<span class="SpellE">device_id</span> = <<span \
class="SpellE">pci</span> address>), (queue=<queue number>),<o:p></o:p></p> \
<p class="MsoPlainText">> > +(<span class="SpellE">rx-dev</span>=<<span \
class="SpellE">iface</span>/path to <span class="SpellE">pcap</span> file> | <span \
class="SpellE">tx-dev</span>=<<span class="SpellE">iface</span>/path to <span \
class="SpellE">pcap</span> file>),<o:p></o:p></p> <p class="MsoPlainText">> \
> +[ring-size=<size>], [<span \
class="SpellE">mbuf</span>-size=<size>], [total-<span \
class="SpellE">num</span>-<span \
class="SpellE">mbufs</span>=<size>]'<o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> > \
+transmission packets' format<o:p></o:p></p> <p class="MsoPlainText">> > \
+--------------------------<o:p></o:p></p> <p class="MsoPlainText">> > \
+* IP_RAW<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span>[Ether()/IP()/Raw('\0'*60)]<o:p></o:p></p> <p \
class="MsoPlainText">> > +* TCP<o:p></o:p></p> <p class="MsoPlainText">> \
> +<span style="mso-spacerun:yes"> \
</span>[Ether()/IP()/TCP()/Raw('\0'*60)]<o:p></o:p></p> <p class="MsoPlainText">> \
> +* UDP<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> \
</span>[Ether()/IP()/UDP()/Raw('\0'*60)]<o:p></o:p></p> <p class="MsoPlainText">> \
> +* SCTP<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> \
</span>[Ether()/IP()/SCTP()/Raw('\0'*40)]<o:p></o:p></p> <p class="MsoPlainText">> \
> +* IPv6_TCP<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> \
</span>[Ether()/IPv6()/TCP()/Raw('\0'*60)]<o:p></o:p></p> <p \
class="MsoPlainText">> > +* IPv6_UDP<o:p></o:p></p> <p \
class="MsoPlainText">> > +<span style="mso-spacerun:yes"> \
</span>[Ether()/IPv6()/UDP()/Raw('\0'*60)]<o:p></o:p></p> <p \
class="MsoPlainText">> > +* IPv6_SCTP<o:p></o:p></p> <p \
class="MsoPlainText">> > +<span style="mso-spacerun:yes"> \
</span>[Ether()/IP()/IPv6()/SCTP()/Raw('\0'*40)]<o:p></o:p></p> <p \
class="MsoPlainText">> > +* VLAN_UDP<o:p></o:p></p> <p \
class="MsoPlainText">> > +<span style="mso-spacerun:yes"> \
</span>[Ether()/Dot1Q()/IP()/UDP()/Raw('\0'*40)]<o:p></o:p></p> <p \
class="MsoPlainText">> > +* TIMESYNC<o:p></o:p></p> <p \
class="MsoPlainText">> > +<span style="mso-spacerun:yes"> \
</span>[Ether(<span class="SpellE">dst</span>='<span \
class="SpellE">FF:FF:FF:FF:FF:FF',type</span>=0x88f7)/"\\x00\\x02"]<o:p></o:p></p>
<p class="MsoPlainText">> > +* ARP<o:p></o:p></p>
<p class="MsoPlainText">> > +<span style="mso-spacerun:yes"> \
</span>[Ether(<span class="SpellE">dst</span>='FF:FF:FF:FF:FF:FF')/ARP()]<o:p></o:p></p>
<p class="MsoPlainText">> > +* LLDP<o:p></o:p></p>
<p class="MsoPlainText">> > +<span style="mso-spacerun:yes"> \
</span>[Ether()/LLDP()/<span \
class="SpellE">LLDPManagementAddress</span>()]<o:p></o:p></p> <p \
class="MsoPlainText">> > +<span style="mso-spacerun:yes"> \
</span>notice: LLDP()/<span class="SpellE">LLDPManagementAddress</span>() method are \
in dts/dep/lldp.py<o:p></o:p></p> <p class="MsoPlainText">> > \
+<o:p></o:p></p> <p class="MsoPlainText">> > +port \
configuration<o:p></o:p></p> <p class="MsoPlainText">> > \
+--------------------------<o:p></o:p></p> <p class="MsoPlainText">> > \
+* confirm two NICs physical link on a platform:<o:p></o:p></p> <p \
class="MsoPlainText">> > +<span style="mso-spacerun:yes"> \
</span><span class="SpellE">dut</span> port 0 <---> tester port \
0<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span class="SpellE">dut</span> port 1 \
<---> tester port 1<o:p></o:p></p> <p class="MsoPlainText">> > \
+<o:p></o:p></p> <p class="MsoPlainText">> > +* Bind two port on \
DUT::<o:p></o:p></p> <p class="MsoPlainText">> > + ./tools/dpdk_nic_bind.py \
--bind=<span class="SpellE">igb_uio</span> <<span class="SpellE">dut</span> port 0 \
<span class="SpellE">pci</span> address> <<span \
class="SpellE">dut</span><o:p></o:p></p> <p class="MsoPlainText">> > +port \
1 <span class="SpellE">pci</span> address><o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> \
Tools folder has been changed to <span \
class="SpellE">usertools</span>.<o:p></o:p></p> <p class="MsoPlainText">> \
<o:p></o:p></p> <p class="MsoPlainText">> > +* On <span \
class="SpellE">dut</span>, use port 0 as <span class="SpellE"> rx</span>/<span \
class="SpellE">tx</span> port.<o:p></o:p></p> <p class="MsoPlainText">> > \
+<span style="mso-spacerun:yes"> </span>If <span class="SpellE"> dut</span> \
port 0 <span class="SpellE">rx</span> dump is set, <span class="SpellE"> scapy</span> \
send packet from tester port 0<o:p></o:p></p> <p class="MsoPlainText">> > \
+and <span class="SpellE">tcpdump</span> dumps tester<o:p></o:p></p> <p \
class="MsoPlainText">> > +<span style="mso-spacerun:yes"> </span>port \
1's packet.<o:p></o:p></p> <p class="MsoPlainText">> > +<o:p></o:p></p>
<p class="MsoPlainText">> > +<span style="mso-spacerun:yes"> \
</span>If <span class="SpellE"> dut</span> port 0 <span class="SpellE">tx</span> dump \
is set, <span class="SpellE"> scapy</span> send packet from tester port \
1<o:p></o:p></p> <p class="MsoPlainText">> > + and <span \
class="SpellE">tcpdump</span> dumps tester<span style="mso-spacerun:yes"> \
</span>port 0's packet.<o:p></o:p></p> <p class="MsoPlainText">> > \
+<o:p></o:p></p> <p class="MsoPlainText">> > +* If using interfaces as \
<span class="SpellE">dpdk-pdump</span> <span class="SpellE">vdev</span>, prepare two \
ports on DUT,<o:p></o:p></p> <p class="MsoPlainText">> > +which haven't \
been <span class="SpellE">binded</span><o:p></o:p></p> <p class="MsoPlainText">> \
> +<span style="mso-spacerun:yes"> </span>to <span class="SpellE"> \
dpdk</span> and have been in linked status<o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> > \
+Test Case 1: test <span class="SpellE">pdump</span> port<o:p></o:p></p> <p \
class="MsoPlainText">> > +=================================<o:p></o:p></p> \
<p class="MsoPlainText">> > +test different port options::<o:p></o:p></p> \
<p class="MsoPlainText">> > +* port=<<span class="SpellE">dut</span> \
port id><o:p></o:p></p> <p class="MsoPlainText">> > +* <span \
class="SpellE">device_id</span>=<<span class="SpellE">dut</span> <span \
class="SpellE">pci</span> address><o:p></o:p></p> <p class="MsoPlainText">> \
> +<o:p></o:p></p> <p class="MsoPlainText">> > +Boot up <span \
class="SpellE">dpdk's</span> <span class="SpellE"> testpmd</span> with chained \
option::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> \
</span>./x86_64-native-linuxapp-gcc/app/<span class="SpellE">testpmd</span> -c 0x6 -n \
4 -- -<span class="SpellE">i</span> --port-<o:p></o:p></p> <p \
class="MsoPlainText">> > topology=chained<o:p></o:p></p> <p \
class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span><span \
class="SpellE">testpmd</span>> set <span class="SpellE">fwd</span> <span \
class="SpellE">io</span><o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span><span \
class="SpellE">testpmd</span>> start<o:p></o:p></p> <p class="MsoPlainText">> \
> +<o:p></o:p></p> <p class="MsoPlainText">> Recommend to remove targets \
which will be change between executions.<o:p></o:p></p> <p class="MsoPlainText">> \
<o:p></o:p></p> <p class="MsoPlainText">> > +When test VLAN_UDP type packet \
transmission, set <span class="SpellE"> vlan</span>:<o:p></o:p></p>
<p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">testpmd</span>> <span class="SpellE">vlan</span> set filter off \
1<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">testpmd</span>> start<o:p></o:p></p> <p class="MsoPlainText">> \
> +<o:p></o:p></p> <p class="MsoPlainText">> > +Boot up <span \
class="SpellE">dpdk-pdump</span>::<o:p></o:p></p> <p class="MsoPlainText">> > \
+<span style="mso-spacerun:yes"> \
</span>./x86_64-native-linuxapp-gcc/app/<span class="SpellE">dpdk-pdump</span> -- \
--<span class="SpellE">pdump</span><span style="mso-spacerun:yes"> \
</span>'<port<o:p></o:p></p> <p class="MsoPlainText">> > \
option>,queue=*,\<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">tx-dev</span>=/<span class="SpellE">tmp</span>/<span \
class="SpellE">pdump-tx.pcap,rx-dev</span>=/<span class="SpellE">tmp</span>/<span \
class="SpellE">pdump-rx.pcap</span>'<o:p></o:p></p> <p class="MsoPlainText">> > \
+<o:p></o:p></p> <p class="MsoPlainText">> > +Set up <span \
class="SpellE">linux's</span> <span class="SpellE"> tcpdump</span> to receiver packet \
on tester::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span><span \
class="SpellE">tcpdump</span> -<span class="SpellE">i</span> <<span \
class="SpellE">rx</span> port name> -w /<span \
class="SpellE">tmp</span>/sniff-<<span class="SpellE">rx</span> port \
name>.<span class="SpellE">pcap</span><o:p></o:p></p> <p class="MsoPlainText">> \
> +<span style="mso-tab-count:1"> </span><span \
class="SpellE">tcpdump</span> -<span class="SpellE">i</span> <<span \
class="SpellE">tx</span> port name> -w /<span \
class="SpellE">tmp</span>/sniff-<<span class="SpellE">tx</span> port \
name>.<span class="SpellE">pcap</span><o:p></o:p></p> <p class="MsoPlainText">> \
> +<o:p></o:p></p> <p class="MsoPlainText">> > +Send packet on \
tester by port 0::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">sendp</span>(<packet format>, <span \
class="SpellE">iface</span>=<port 0 name>)<o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> > \
+Compare <span class="SpellE">pcap</span> file of <span class="SpellE"> \
scapy</span> with the <span class="SpellE">pcap</span> file dumped by <span \
class="SpellE"> tcpdump</span>.<o:p></o:p></p>
<p class="MsoPlainText">> > +Compare <span class="SpellE">pcap</span> file \
dumped by <span class="SpellE">dpdk-pdump</span> with <span \
class="SpellE">pcap</span> files dumped by <span \
class="SpellE">tcpdump</span>.<o:p></o:p></p> <p class="MsoPlainText">> > \
+<o:p></o:p></p> <p class="MsoPlainText">> > +Send packet on tester by \
port 1::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">sendp</span>(<packet format>, <span \
class="SpellE">iface</span>=<port 1 name>)<o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> > \
+Compare <span class="SpellE">pcap</span> file of <span class="SpellE"> \
scapy</span> with the <span class="SpellE">pcap</span> file dumped by <span \
class="SpellE"> tcpdump</span>.<o:p></o:p></p>
<p class="MsoPlainText">> > +Compare <span class="SpellE">pcap</span> file \
dumped by <span class="SpellE">dpdk-pdump</span> with <span \
class="SpellE">pcap</span> files dumped by <span \
class="SpellE">tcpdump</span>.<o:p></o:p></p> <p class="MsoPlainText">> > \
+<o:p></o:p></p> <p class="MsoPlainText">> > +Test Case 2: test <span \
class="SpellE">pdump</span> queue<o:p></o:p></p> <p class="MsoPlainText">> > \
+=================================<o:p></o:p></p> <p class="MsoPlainText">> \
> +test different queue options::<o:p></o:p></p> <p class="MsoPlainText">> \
> +* first queue:<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span>queue=0<o:p></o:p></p> <p \
class="MsoPlainText">> > +* all:<o:p></o:p></p> <p \
class="MsoPlainText">> > +<span style="mso-spacerun:yes"> \
</span>queue=*<o:p></o:p></p> <p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">> Please add some basic description of this parameter. \
Like "Capture first queue traffic".<o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> > \
+Boot up <span class="SpellE">dpdk's</span> <span class="SpellE"> testpmd</span> \
with chained option::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> \
</span>./x86_64-native-linuxapp-gcc/app/<span class="SpellE">testpmd</span> -c 0x6 -n \
4 -- -<span class="SpellE">i</span> --port-<o:p></o:p></p> <p \
class="MsoPlainText">> > topology=chained<o:p></o:p></p> <p \
class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span><span \
class="SpellE">testpmd</span>> set <span class="SpellE">fwd</span> <span \
class="SpellE">io</span><o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span><span \
class="SpellE">testpmd</span>> start<o:p></o:p></p> <p class="MsoPlainText">> \
> +<o:p></o:p></p> <p class="MsoPlainText">> > +When test VLAN_UDP \
type packet transmission, set <span class="SpellE"> vlan</span>:<o:p></o:p></p>
<p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">testpmd</span>> <span class="SpellE">vlan</span> set filter off \
1<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">testpmd</span>> start<o:p></o:p></p> <p class="MsoPlainText">> \
> +<o:p></o:p></p> <p class="MsoPlainText">> > +Boot up <span \
class="SpellE">dpdk-pdump</span>::<o:p></o:p></p> <p class="MsoPlainText">> > \
+<span style="mso-spacerun:yes"> \
</span>./x86_64-native-linuxapp-gcc/app/<span class="SpellE">dpdk-pdump</span> -- \
--<span class="SpellE">pdump</span><span style="mso-spacerun:yes"> \
</span>'port=0,<queue<o:p></o:p></p> <p class="MsoPlainText">> > \
option>,\<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">tx-dev</span>=/<span class="SpellE">tmp</span>/<span \
class="SpellE">pdump-tx.pcap,rx-dev</span>=/<span class="SpellE">tmp</span>/<span \
class="SpellE">pdump-rx.pcap</span>'<o:p></o:p></p> <p class="MsoPlainText">> > \
+<o:p></o:p></p> <p class="MsoPlainText">> > +Set up <span \
class="SpellE">linux's</span> <span class="SpellE"> tcpdump</span> to receiver packet \
on tester::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span><span \
class="SpellE">tcpdump</span> -<span class="SpellE">i</span> <<span \
class="SpellE">rx</span> port name> -w /<span \
class="SpellE">tmp</span>/sniff-<<span class="SpellE">rx</span> port \
name>.<span class="SpellE">pcap</span><o:p></o:p></p> <p class="MsoPlainText">> \
> +<span style="mso-tab-count:1"> </span><span \
class="SpellE">tcpdump</span> -<span class="SpellE">i</span> <<span \
class="SpellE">tx</span> port name> -w /<span \
class="SpellE">tmp</span>/sniff-<<span class="SpellE">tx</span> port \
name>.<span class="SpellE">pcap</span><o:p></o:p></p> <p class="MsoPlainText">> \
> +<o:p></o:p></p> <p class="MsoPlainText">> > +Send packet on \
tester by port 0::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">sendp</span>(<packet format>, <span \
class="SpellE">iface</span>=<port 0 name>)<o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> > \
+Compare <span class="SpellE">pcap</span> file of <span class="SpellE"> \
scapy</span> with the <span class="SpellE">pcap</span> file dumped by <span \
class="SpellE"> tcpdump</span>.<o:p></o:p></p>
<p class="MsoPlainText">> > +Compare <span class="SpellE">pcap</span> file \
dumped by <span class="SpellE">dpdk-pdump</span> with <span \
class="SpellE">pcap</span> files dumped by <span \
class="SpellE">tcpdump</span>.<o:p></o:p></p> <p class="MsoPlainText">> > \
+<o:p></o:p></p> <p class="MsoPlainText">> > +Send packet on tester by \
port 1::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">sendp</span>(<packet format>, <span \
class="SpellE">iface</span>=<port 1 name>)<o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> > \
+Compare <span class="SpellE">pcap</span> file of <span class="SpellE"> \
scapy</span> with the <span class="SpellE">pcap</span> file dumped by <span \
class="SpellE"> tcpdump</span>.<o:p></o:p></p>
<p class="MsoPlainText">> > +Compare <span class="SpellE">pcap</span> file \
dumped by <span class="SpellE">dpdk-pdump</span> with <span \
class="SpellE">pcap</span> files dumped by <span \
class="SpellE">tcpdump</span>.<o:p></o:p></p> <p class="MsoPlainText">> > \
+<o:p></o:p></p> <p class="MsoPlainText">> > +Test Case 3: test <span \
class="SpellE">pdump</span> <span class="SpellE"> dev</span> <span \
class="SpellE">pcap</span><o:p></o:p></p> <p class="MsoPlainText">> > \
+=================================<o:p></o:p></p> <p class="MsoPlainText">> \
<o:p></o:p></p> <p class="MsoPlainText">> Underscore please align with test case \
name.<o:p></o:p></p> <p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">> > +test different dump options::<o:p></o:p></p>
<p class="MsoPlainText">> > +* <span class="SpellE">tx-dev</span>=/<span \
class="SpellE">tmp</span>/<span class="SpellE">pdump-tx.pcap,rx-dev</span>=/<span \
class="SpellE">tmp</span>/<span class="SpellE">pdump-rx.pcap</span><o:p></o:p></p> <p \
class="MsoPlainText">> > +* <span class="SpellE">rx-dev</span>=/<span \
class="SpellE">tmp</span>/<span class="SpellE">pdump-rx.pcap</span><o:p></o:p></p> <p \
class="MsoPlainText">> > +* <span class="SpellE">tx-dev</span>=/<span \
class="SpellE">tmp</span>/<span class="SpellE">pdump-tx.pcap</span><o:p></o:p></p> <p \
class="MsoPlainText">> <o:p></o:p></p> <p class="MsoPlainText">> Same as \
previous comment, add basic descriptions for these parameters.<o:p></o:p></p> <p \
class="MsoPlainText">> <o:p></o:p></p> <p class="MsoPlainText">> > \
+<o:p></o:p></p> <p class="MsoPlainText">> > +Boot up <span \
class="SpellE">dpdk's</span> <span class="SpellE"> testpmd</span> with chained \
option::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> \
</span>./x86_64-native-linuxapp-gcc/app/<span class="SpellE">testpmd</span> -c 0x6 -n \
4 -- -<span class="SpellE">i</span> --port-<o:p></o:p></p> <p \
class="MsoPlainText">> > topology=chained<o:p></o:p></p> <p \
class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span><span \
class="SpellE">testpmd</span>> set <span class="SpellE">fwd</span> <span \
class="SpellE">io</span><o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span><span \
class="SpellE">testpmd</span>> start<o:p></o:p></p> <p class="MsoPlainText">> \
> +<o:p></o:p></p> <p class="MsoPlainText">> > +When test VLAN_UDP \
type packet transmission, set <span class="SpellE"> vlan</span>:<o:p></o:p></p>
<p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">testpmd</span>> <span class="SpellE">vlan</span> set filter off \
1<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">testpmd</span>> start<o:p></o:p></p> <p class="MsoPlainText">> \
> +<o:p></o:p></p> <p class="MsoPlainText">> > +Boot up <span \
class="SpellE">dpdk-pdump</span> with <span class="SpellE"> pdump</span> \
options::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> \
</span>./x86_64-native-linuxapp-gcc/app/<span class="SpellE">dpdk-pdump</span> -- \
--<span class="SpellE">pdump</span><o:p></o:p></p> <p class="MsoPlainText">> > \
'port=0,queue=*,<dump object>'<o:p></o:p></p> <p class="MsoPlainText">> > \
+<o:p></o:p></p> <p class="MsoPlainText">> > +Set up <span \
class="SpellE">linux's</span> <span class="SpellE"> tcpdump</span> to receiver packet \
on tester::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span><span \
class="SpellE">tcpdump</span> -<span class="SpellE">i</span> <<span \
class="SpellE">rx</span> port name> -w /<span \
class="SpellE">tmp</span>/sniff-<<span class="SpellE">rx</span> port \
name>.<span class="SpellE">pcap</span><o:p></o:p></p> <p class="MsoPlainText">> \
> +<span style="mso-tab-count:1"> </span><span \
class="SpellE">tcpdump</span> -<span class="SpellE">i</span> <<span \
class="SpellE">tx</span> port name> -w /<span \
class="SpellE">tmp</span>/sniff-<<span class="SpellE">tx</span> port \
name>.<span class="SpellE">pcap</span><o:p></o:p></p> <p class="MsoPlainText">> \
> +<o:p></o:p></p> <p class="MsoPlainText">> > +Send packet on \
tester by port 0::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">sendp</span>(<packet format>, <span \
class="SpellE">iface</span>=<port 0 name>)<o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> > \
+Compare <span class="SpellE">pcap</span> file of <span class="SpellE"> \
scapy</span> with the <span class="SpellE">pcap</span> file dumped by <span \
class="SpellE"> tcpdump</span>.<o:p></o:p></p>
<p class="MsoPlainText">> > +Compare <span class="SpellE">pcap</span> file \
dumped by <span class="SpellE">dpdk-pdump</span> with <span \
class="SpellE">pcap</span> files dumped by<o:p></o:p></p> <p \
class="MsoPlainText">> > <span class="SpellE">tcpdump</span>(ignore when only \
set <span class="SpellE">tx-dev</span>).<o:p></o:p></p>
<p class="MsoPlainText">> > +<o:p></o:p></p>
<p class="MsoPlainText">> > +Send packet on tester by port \
1::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">sendp</span>(<packet format>, <span \
class="SpellE">iface</span>=<port 1 name>)<o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> > \
+Compare <span class="SpellE">pcap</span> file of <span class="SpellE"> \
scapy</span> with the <span class="SpellE">pcap</span> file dumped by <span \
class="SpellE"> tcpdump</span>.<o:p></o:p></p>
<p class="MsoPlainText">> > +Compare <span class="SpellE">pcap</span> file \
dumped by <span class="SpellE">dpdk-pdump</span> with <span \
class="SpellE">pcap</span> files dumped by<o:p></o:p></p> <p \
class="MsoPlainText">> > <span class="SpellE">tcpdump</span>(ignore when only \
set <span class="SpellE">rx-dev</span>).<o:p></o:p></p>
<p class="MsoPlainText">> > +<o:p></o:p></p>
<p class="MsoPlainText">> > +Test Case 4: test <span \
class="SpellE">pdump</span> <span class="SpellE"> dev</span> <span \
class="SpellE">iface</span><o:p></o:p></p> <p class="MsoPlainText">> > \
+=================================<o:p></o:p></p> <p class="MsoPlainText">> \
> +test different dump options::<o:p></o:p></p> <p class="MsoPlainText">> \
> +* <span class="SpellE">tx-dev</span>=<<span class="SpellE">dut</span> \
<span class="SpellE">tx</span> port name>,<span \
class="SpellE">rx-dev</span>=<<span class="SpellE">dut</span> <span \
class="SpellE">rx</span> port name><o:p></o:p></p> <p class="MsoPlainText">> \
> +* <span class="SpellE">rx-dev</span>=<<span class="SpellE">dut</span> \
<span class="SpellE">rx</span> port name><o:p></o:p></p> <p \
class="MsoPlainText">> > +* <span class="SpellE">tx-dev</span>=<<span \
class="SpellE">dut</span> <span class="SpellE">tx</span> port name><o:p></o:p></p>
<p class="MsoPlainText">> > +<o:p></o:p></p>
<p class="MsoPlainText">> > +Boot up <span class="SpellE">dpdk's</span> \
<span class="SpellE"> testpmd</span> with chained option::<o:p></o:p></p>
<p class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> \
</span>./x86_64-native-linuxapp-gcc/app/<span class="SpellE">testpmd</span> -c 0x6 -n \
4 -- -<span class="SpellE">i</span> --port-<o:p></o:p></p> <p \
class="MsoPlainText">> > topology=chained<o:p></o:p></p> <p \
class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span><span \
class="SpellE">testpmd</span>> set <span class="SpellE">fwd</span> <span \
class="SpellE">io</span><o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span><span \
class="SpellE">testpmd</span>> start<o:p></o:p></p> <p class="MsoPlainText">> \
> +<o:p></o:p></p> <p class="MsoPlainText">> > +When test VLAN_UDP \
type packet transmission, set <span class="SpellE"> vlan</span>:<o:p></o:p></p>
<p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">testpmd</span>> <span class="SpellE">vlan</span> set filter off \
1<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">testpmd</span>> start<o:p></o:p></p> <p class="MsoPlainText">> \
> +<o:p></o:p></p> <p class="MsoPlainText">> > +Boot up <span \
class="SpellE">dpdk-pdump</span> with <span class="SpellE"> pdump</span> \
options::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> \
</span>./x86_64-native-linuxapp-gcc/app/<span class="SpellE">dpdk-pdump</span> -- \
--<span class="SpellE">pdump</span><o:p></o:p></p> <p class="MsoPlainText">> > \
'port=0,queue=*,<dump object>'<o:p></o:p></p> <p class="MsoPlainText">> > \
+<o:p></o:p></p> <p class="MsoPlainText">> > +Set up <span \
class="SpellE">linux's</span> <span class="SpellE"> tcpdump</span> to receiver packet \
on tester::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span><span \
class="SpellE">tcpdump</span> -<span class="SpellE">i</span> <<span \
class="SpellE">rx</span> port name> -w /<span \
class="SpellE">tmp</span>/sniff-<<span class="SpellE">rx</span> port \
name>.<span class="SpellE">pcap</span><o:p></o:p></p> <p class="MsoPlainText">> \
> +<span style="mso-tab-count:1"> </span><span \
class="SpellE">tcpdump</span> -<span class="SpellE">i</span> <<span \
class="SpellE">tx</span> port name> -w /<span \
class="SpellE">tmp</span>/sniff-<<span class="SpellE">tx</span> port \
name>.<span class="SpellE">pcap</span><o:p></o:p></p> <p class="MsoPlainText">> \
> +<o:p></o:p></p> <p class="MsoPlainText">> > +Set up <span \
class="SpellE">linux's</span> <span class="SpellE"> tcpdump</span> to receiver packet \
of <span class="SpellE">dpdk-pdump</span> on <span class="SpellE"> \
Dut</span>::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span>when <span \
class="SpellE"> rx-dev</span> is set<o:p></o:p></p>
<p class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span><span \
class="SpellE">tcpdump</span> -<span class="SpellE">i</span> <<span \
class="SpellE">dut</span> <span class="SpellE">rx</span> port name> -w /<span \
class="SpellE">tmp</span>/<span class="SpellE">pdump-rx.pcap</span><o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> > \
+<span style="mso-tab-count:1"> </span>when <span \
class="SpellE"> tx-dev</span> is set<o:p></o:p></p>
<p class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span><span \
class="SpellE">tcpdump</span> -<span class="SpellE">i</span> <<span \
class="SpellE">dut</span> <span class="SpellE">tx</span> port name> -w /<span \
class="SpellE">tmp</span>/<span class="SpellE">pdump-tx.pcap</span><o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> > \
+Send packet on tester by port 0::<o:p></o:p></p> <p class="MsoPlainText">> \
> +<span style="mso-spacerun:yes"> </span><span \
class="SpellE">sendp</span>(<packet format>, <span \
class="SpellE">iface</span>=<port 0 name>)<o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> > \
+Compare <span class="SpellE">pcap</span> file of <span class="SpellE"> \
scapy</span> with the <span class="SpellE">pcap</span> file dumped by <span \
class="SpellE"> tcpdump</span>.<o:p></o:p></p>
<p class="MsoPlainText">> > +Compare <span class="SpellE">pcap</span> file \
dumped by <span class="SpellE">dpdk-pdump</span> with <span \
class="SpellE">pcap</span> files dumped by<o:p></o:p></p> <p \
class="MsoPlainText">> > <span class="SpellE">tcpdump</span>(ignore when only \
set <span class="SpellE">tx-dev</span>).<o:p></o:p></p>
<p class="MsoPlainText">> > +<o:p></o:p></p>
<p class="MsoPlainText">> > +Send packet on tester by port \
1::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">sendp</span>(<packet format>, <span \
class="SpellE">iface</span>=<port 1 name>)<o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> > \
+Compare <span class="SpellE">pcap</span> file of <span class="SpellE"> \
scapy</span> with the <span class="SpellE">pcap</span> file dumped by <span \
class="SpellE"> tcpdump</span>.<o:p></o:p></p>
<p class="MsoPlainText">> > +Compare <span class="SpellE">pcap</span> file \
dumped by <span class="SpellE">dpdk-pdump</span> with <span \
class="SpellE">pcap</span> files dumped by<o:p></o:p></p> <p \
class="MsoPlainText">> > <span class="SpellE">tcpdump</span>(ignore when only \
set <span class="SpellE">rx-dev</span>).<o:p></o:p></p>
<p class="MsoPlainText">> > +<o:p></o:p></p>
<p class="MsoPlainText">> > +Test Case 5: test <span \
class="SpellE">pdump</span> ring size<o:p></o:p></p> <p class="MsoPlainText">> \
> +=================================<o:p></o:p></p> <p \
class="MsoPlainText">> > +test ring size option, set value within \
2^[1~27]<o:p></o:p></p> <p class="MsoPlainText">> > +<o:p></o:p></p>
<p class="MsoPlainText">> > +Boot up <span class="SpellE">dpdk's</span> \
<span class="SpellE"> testpmd</span> with chained option::<o:p></o:p></p>
<p class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> \
</span>./x86_64-native-linuxapp-gcc/app/<span class="SpellE">testpmd</span> -c 0x6 -n \
4 -- -<span class="SpellE">i</span> --port-<o:p></o:p></p> <p \
class="MsoPlainText">> > topology=chained<o:p></o:p></p> <p \
class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span><span \
class="SpellE">testpmd</span>> set <span class="SpellE">fwd</span> <span \
class="SpellE">io</span><o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span><span \
class="SpellE">testpmd</span>> start<o:p></o:p></p> <p class="MsoPlainText">> \
> +<o:p></o:p></p> <p class="MsoPlainText">> > +When test VLAN_UDP \
type packet transmission, set <span class="SpellE"> vlan</span>:<o:p></o:p></p>
<p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">testpmd</span>> <span class="SpellE">vlan</span> set filter off \
1<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">testpmd</span>> start<o:p></o:p></p> <p class="MsoPlainText">> \
> +<o:p></o:p></p> <p class="MsoPlainText">> > +Boot up <span \
class="SpellE">dpdk-pdump</span> with <span class="SpellE"> pdump</span> \
options::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> \
</span>./x86_64-native-linuxapp-gcc/app/<span class="SpellE">dpdk-pdump</span> -- \
--<span class="SpellE">pdump</span><o:p></o:p></p> <p class="MsoPlainText">> > \
'port=0,queue=*,\<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> \
</span>tx-dev=/tmp/pdump-tx.pcap,rx-dev=/tmp/pdump-rx.pcap,ring-size=1024'<o:p></o:p></p>
<p class="MsoPlainText">> > +<o:p></o:p></p>
<p class="MsoPlainText">> > +Set up <span class="SpellE">linux's</span> \
<span class="SpellE"> tcpdump</span> to receiver packet on tester::<o:p></o:p></p>
<p class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span><span \
class="SpellE">tcpdump</span> -<span class="SpellE">i</span> <<span \
class="SpellE">rx</span> port name> -w /<span \
class="SpellE">tmp</span>/sniff-<<span class="SpellE">rx</span> port \
name>.<span class="SpellE">pcap</span><o:p></o:p></p> <p class="MsoPlainText">> \
> +<span style="mso-tab-count:1"> </span><span \
class="SpellE">tcpdump</span> -<span class="SpellE">i</span> <<span \
class="SpellE">tx</span> port name> -w /<span \
class="SpellE">tmp</span>/sniff-<<span class="SpellE">tx</span> port \
name>.<span class="SpellE">pcap</span><o:p></o:p></p> <p class="MsoPlainText">> \
> +<o:p></o:p></p> <p class="MsoPlainText">> > +Send packet on \
tester by port 0::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">sendp</span>(<packet format>, <span \
class="SpellE">iface</span>=<port 0 name>)<o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> > \
+Compare <span class="SpellE">pcap</span> file of <span class="SpellE"> \
scapy</span> with the <span class="SpellE">pcap</span> file dumped by <span \
class="SpellE"> tcpdump</span>.<o:p></o:p></p>
<p class="MsoPlainText">> > +Compare <span class="SpellE">pcap</span> file \
dumped by <span class="SpellE">dpdk-pdump</span> with <span \
class="SpellE">pcap</span> files dumped by <span \
class="SpellE">tcpdump</span>.<o:p></o:p></p> <p class="MsoPlainText">> > \
+<o:p></o:p></p> <p class="MsoPlainText">> > +Send packet on tester by \
port 1::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">sendp</span>(<packet format>, <span \
class="SpellE">iface</span>=<port 1 name>)<o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> > \
+Compare <span class="SpellE">pcap</span> file of <span class="SpellE"> \
scapy</span> with the <span class="SpellE">pcap</span> file dumped by <span \
class="SpellE"> tcpdump</span>.<o:p></o:p></p>
<p class="MsoPlainText">> > +Compare <span class="SpellE">pcap</span> file \
dumped by <span class="SpellE">dpdk-pdump</span> with <span \
class="SpellE">pcap</span> files dumped by <span \
class="SpellE">tcpdump</span>.<o:p></o:p></p> <p class="MsoPlainText">> > \
+<o:p></o:p></p> <p class="MsoPlainText">> > +Test Case 6: test <span \
class="SpellE">pdump</span> <span class="SpellE"> mbuf</span> size<o:p></o:p></p>
<p class="MsoPlainText">> > \
+=================================<o:p></o:p></p> <p class="MsoPlainText">> \
> +test <span class="SpellE">mbuf</span> size option, set value within \
[252~59520]. min value is<o:p></o:p></p> <p class="MsoPlainText">> > \
+decided by single packet size, max value is decided by test platform <span \
class="SpellE">memery</span><o:p></o:p></p> <p class="MsoPlainText">> > \
size.<o:p></o:p></p> <p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">> Typo issue, should be "memory".<o:p></o:p></p>
<p class="MsoPlainText">> Should here to verify what will be happened when packet \
size is over <span class="SpellE">mbuf</span> size?<o:p></o:p></p>
<p class="MsoPlainText">[Mo, <span class="SpellE">YufengX</span>] <span \
style="color:#953735;mso-style-textfill-fill-color:#953735;mso-style-textfill-fill-alpha:100.0%">
when size is <span class="SpellE">beyon</span> the range, <span \
class="SpellE">dpdk-pdump</span> won't boot up. Do you want to add a \
verification.<o:p></o:p></span></p> <p class="MsoPlainText"><span \
style="color:#953735;mso-style-textfill-fill-color:#953735;mso-style-textfill-fill-alpha:100.0%">will \
it do the same verification for other range checking?</span><o:p></o:p></p> <p \
class="MsoPlainText">> Suggest add one case for jumbo frame packet capture, not \
sure whether jumbo frame should be validated here.<o:p></o:p></p> <p \
class="MsoPlainText">[Mo, <span class="SpellE">YufengX</span>] <span \
style="mso-spacerun:yes"> </span><span \
style="color:#953735;mso-style-textfill-fill-color:#953735;mso-style-textfill-fill-alpha:100.0%">Do \
you mean to write a new case for jumbo frame?<o:p></o:p></span></p> <p \
class="MsoPlainText">> <o:p></o:p></p> <p class="MsoPlainText">> > \
+<o:p></o:p></p> <p class="MsoPlainText">> > +<o:p></o:p></p>
<p class="MsoPlainText">> > +Boot up <span class="SpellE">dpdk's</span> \
<span class="SpellE"> testpmd</span> with chained option::<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> \
</span>./x86_64-native-linuxapp-gcc/app/<span class="SpellE">testpmd</span> -c 0x6 -n \
4 -- -<span class="SpellE">i</span> --port-<o:p></o:p></p> <p \
class="MsoPlainText">> > topology=chained<o:p></o:p></p> <p \
class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span><span \
class="SpellE">testpmd</span>> set <span class="SpellE">fwd</span> <span \
class="SpellE">io</span><o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span><span \
class="SpellE">testpmd</span>> start<o:p></o:p></p> <p class="MsoPlainText">> \
> +<o:p></o:p></p> <p class="MsoPlainText">> > +When test VLAN_UDP \
type packet transmission, set <span class="SpellE"> vlan</span>:<o:p></o:p></p>
<p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">testpmd</span>> <span class="SpellE">vlan</span> set filter off \
1<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">testpmd</span>> start<o:p></o:p></p> <p class="MsoPlainText">> \
> +<o:p></o:p></p> <p class="MsoPlainText">> > +Boot up <span \
class="SpellE">dpdk-pdump</span> with <span class="SpellE"> pdump</span> \
options::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> \
</span>./x86_64-native-linuxapp-gcc/app/<span class="SpellE">dpdk-pdump</span> -- \
--<span class="SpellE">pdump</span><o:p></o:p></p> <p class="MsoPlainText">> > \
'port=0,queue=*,\<o:p></o:p></p> <p class="MsoPlainText">> > + <span \
style="mso-spacerun:yes"> </span>tx-dev=/tmp/pdump-tx.pcap,rx-dev=/tmp/pdump-rx.pcap,mbuf-size=2048'<o:p></o:p></p>
<p class="MsoPlainText">> > +<o:p></o:p></p>
<p class="MsoPlainText">> > +Set up <span class="SpellE">linux's</span> \
<span class="SpellE"> tcpdump</span> to receiver packet on tester::<o:p></o:p></p>
<p class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span><span \
class="SpellE">tcpdump</span> -<span class="SpellE">i</span> <<span \
class="SpellE">rx</span> port name> -w /<span \
class="SpellE">tmp</span>/sniff-<<span class="SpellE">rx</span> port \
name>.<span class="SpellE">pcap</span><o:p></o:p></p> <p class="MsoPlainText">> \
> +<span style="mso-tab-count:1"> </span><span \
class="SpellE">tcpdump</span> -<span class="SpellE">i</span> <<span \
class="SpellE">tx</span> port name> -w /<span \
class="SpellE">tmp</span>/sniff-<<span class="SpellE">tx</span> port \
name>.<span class="SpellE">pcap</span><o:p></o:p></p> <p class="MsoPlainText">> \
> +<o:p></o:p></p> <p class="MsoPlainText">> > +Send packet on \
tester by port 0::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">sendp</span>(<packet format>, <span \
class="SpellE">iface</span>=<port 0 name>)<o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> > \
+Compare <span class="SpellE">pcap</span> file of <span class="SpellE"> \
scapy</span> with the <span class="SpellE">pcap</span> file dumped by <span \
class="SpellE"> tcpdump</span>.<o:p></o:p></p>
<p class="MsoPlainText">> > +Compare <span class="SpellE">pcap</span> file \
dumped by <span class="SpellE">dpdk-pdump</span> with <span \
class="SpellE">pcap</span> files dumped by <span \
class="SpellE">tcpdump</span>.<o:p></o:p></p> <p class="MsoPlainText">> > \
+<o:p></o:p></p> <p class="MsoPlainText">> > +Send packet on tester by \
port 1::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">sendp</span>(<packet format>, <span \
class="SpellE">iface</span>=<port 1 name>)<o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> > \
+Compare <span class="SpellE">pcap</span> file of <span class="SpellE"> \
scapy</span> with the <span class="SpellE">pcap</span> file dumped by <span \
class="SpellE"> tcpdump</span>.<o:p></o:p></p>
<p class="MsoPlainText">> > +Compare <span class="SpellE">pcap</span> file \
dumped by <span class="SpellE">dpdk-pdump</span> with <span \
class="SpellE">pcap</span> files dumped by <span \
class="SpellE">tcpdump</span>.<o:p></o:p></p> <p class="MsoPlainText">> > \
+<o:p></o:p></p> <p class="MsoPlainText">> > +Test Case 7: test <span \
class="SpellE">pdump</span> total <span class="SpellE">num</span> <span \
class="SpellE">mbufs</span><o:p></o:p></p> <p class="MsoPlainText">> > \
+=================================<o:p></o:p></p> <p class="MsoPlainText">> \
> +test total-<span class="SpellE">num</span>-<span \
class="SpellE">mbufs</span> option, set value within [1025~65535]<o:p></o:p></p> <p \
class="MsoPlainText">> <o:p></o:p></p> <p class="MsoPlainText">> What will be \
affected when change the number?<span style="mso-spacerun:yes"> </span>I think \
<span class="SpellE">mbuf</span> will be freed after packet saved into <span \
class="SpellE">pcap</span> file.<o:p></o:p></p> <p class="MsoPlainText">> Will it \
affect the performance?<o:p></o:p></p> <p class="MsoPlainText">[Mo, <span \
class="SpellE">YufengX</span>] <span \
style="color:#953735;mso-style-textfill-fill-color:#953735;mso-style-textfill-fill-alpha:100.0%">
no things happen when total-<span class="SpellE">num</span>-<span \
class="SpellE">mbufs</span> changes. Currently, test case will reboot <span \
class="SpellE">dpdk-pdump</span>/<span \
class="SpellE">testpmd</span><o:p></o:p></span></p> <p class="MsoPlainText"><span \
style="color:#953735;mso-style-textfill-fill-color:#953735;mso-style-textfill-fill-alpha:100.0%">after \
each different option finish testing.<o:p></o:p></span></p> <p \
class="MsoPlainText"><span \
style="color:#953735;mso-style-textfill-fill-color:#953735;mso-style-textfill-fill-alpha:100.0%">Within \
those email discussed with <span class="SpellE">Reshma</span>, she has mentioned that \
<span class="SpellE">dpdk-pdump</span> don’t work for performance, you are are \
in<o:p></o:p></span></p> <p class="MsoPlainText"><span class="SpellE"><span \
style="color:#953735;mso-style-textfill-fill-color:#953735;mso-style-textfill-fill-alpha:100.0%">maillist</span></span><span \
style="color:#953735;mso-style-textfill-fill-color:#953735;mso-style-textfill-fill-alpha:100.0%">
too.<o:p></o:p></span></p>
<p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">> > +<o:p></o:p></p>
<p class="MsoPlainText">> > +Boot up <span class="SpellE">dpdk's</span> \
<span class="SpellE"> testpmd</span> with chained option::<o:p></o:p></p>
<p class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> \
</span>./x86_64-native-linuxapp-gcc/app/<span class="SpellE">testpmd</span> -c 0x6 -n \
4 -- -<span class="SpellE">i</span> --port-<o:p></o:p></p> <p \
class="MsoPlainText">> > topology=chained<o:p></o:p></p> <p \
class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span><span \
class="SpellE">testpmd</span>> set <span class="SpellE">fwd</span> <span \
class="SpellE">io</span><o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span><span \
class="SpellE">testpmd</span>> start<o:p></o:p></p> <p class="MsoPlainText">> \
> +<o:p></o:p></p> <p class="MsoPlainText">> > +When test VLAN_UDP \
type packet transmission, set <span class="SpellE"> vlan</span>:<o:p></o:p></p>
<p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">testpmd</span>> <span class="SpellE">vlan</span> set filter off \
1<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">testpmd</span>> start<o:p></o:p></p> <p class="MsoPlainText">> \
> +<o:p></o:p></p> <p class="MsoPlainText">> > +Boot up <span \
class="SpellE">dpdk-pdump</span> with <span class="SpellE"> pdump</span> \
options::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> \
</span>./x86_64-native-linuxapp-gcc/app/<span class="SpellE">dpdk-pdump</span> -- \
--<span class="SpellE">pdump</span><o:p></o:p></p> <p class="MsoPlainText">> > \
'port=0,queue=*,\<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">tx-dev</span>=/<span class="SpellE">tmp</span>/<span \
class="SpellE">pdump-tx.pcap,rx-dev</span>=/<span class="SpellE">tmp</span>/<span \
class="SpellE">pdump-rx.pcap,total-num</span>-<o:p></o:p></p> <p \
class="MsoPlainText">> > <span class="SpellE">mbufs</span>=8191'<o:p></o:p></p> \
<p class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> \
> +Set up <span class="SpellE">linux's</span> <span class="SpellE"> \
tcpdump</span> to receiver packet on tester::<o:p></o:p></p> <p \
class="MsoPlainText">> > +<span \
style="mso-tab-count:1"> </span><span \
class="SpellE">tcpdump</span> -<span class="SpellE">i</span> <<span \
class="SpellE">rx</span> port name> -w /<span \
class="SpellE">tmp</span>/sniff-<<span class="SpellE">rx</span> port \
name>.<span class="SpellE">pcap</span><o:p></o:p></p> <p class="MsoPlainText">> \
> +<span style="mso-tab-count:1"> </span><span \
class="SpellE">tcpdump</span> -<span class="SpellE">i</span> <<span \
class="SpellE">tx</span> port name> -w /<span \
class="SpellE">tmp</span>/sniff-<<span class="SpellE">tx</span> port \
name>.<span class="SpellE">pcap</span><o:p></o:p></p> <p class="MsoPlainText">> \
> +<o:p></o:p></p> <p class="MsoPlainText">> > +Send packet on \
tester by port 0::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">sendp</span>(<packet format>, <span \
class="SpellE">iface</span>=<port 0 name>)<o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> > \
+Compare <span class="SpellE">pcap</span> file of <span class="SpellE"> \
scapy</span> with the <span class="SpellE">pcap</span> file dumped by <span \
class="SpellE"> tcpdump</span>.<o:p></o:p></p>
<p class="MsoPlainText">> > +Compare <span class="SpellE">pcap</span> file \
dumped by <span class="SpellE">dpdk-pdump</span> with <span \
class="SpellE">pcap</span> files dumped by <span \
class="SpellE">tcpdump</span>.<o:p></o:p></p> <p class="MsoPlainText">> > \
+<o:p></o:p></p> <p class="MsoPlainText">> > +Send packet on tester by \
port 1::<o:p></o:p></p> <p class="MsoPlainText">> > +<span \
style="mso-spacerun:yes"> </span><span \
class="SpellE">sendp</span>(<packet format>, <span \
class="SpellE">iface</span>=<port 1 name>)<o:p></o:p></p> <p \
class="MsoPlainText">> > +<o:p></o:p></p> <p class="MsoPlainText">> > \
+Compare <span class="SpellE">pcap</span> file of <span class="SpellE"> \
scapy</span> with the <span class="SpellE">pcap</span> file dumped by <span \
class="SpellE"> tcpdump</span>.<o:p></o:p></p>
<p class="MsoPlainText">> > +Compare <span class="SpellE">pcap</span> file \
dumped by <span class="SpellE">dpdk-pdump</span> with <span \
class="SpellE">pcap</span> files dumped by <span \
class="SpellE">tcpdump</span>.<o:p></o:p></p> <p class="MsoPlainText">> > \
+<o:p></o:p></p> <p class="MsoPlainText">> > --<o:p></o:p></p>
<p class="MsoPlainText">> > 1.9.3<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
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