[dts] Clarifications on setting up DUT

[Qiu, Michael]

On 1/20/2015 2:01 AM, Ravi Kerur wrote:
> Hi Yong,
>
> Thanks for the inputs, inline <rk>
>
> On Mon, Jan 19, 2015 at 4:43 AM, Liu, Yong <yong.liu at intel.com> wrote:
>
>> Hi Ravi,
>> DTS can support i218 and i218 chipsets by add codename in setting.py and
>> restore function in crb.py.
>>
>> For question 1, you can get system requirements from DTS getting started
>> guide. Just enter folder doc/dts_gsg and then "make html" will generate it.
>> Now ssh session is the only way for DTS to communicate with DUT and
>> Tester. Restore interface function will re-insmod all nic in configuration
>> file.
>> We will support specified nic in near future.
>>
> <rk> I have made changes and done some basic testing which includes "1"
> port only. Getting more than 2 ports is a bit taxing to me as I am an
> individual  contributor and wanted to find a way to test with what I had. I

Great for your work on dts and help it to be more wonderful project :)

> have made additional changes esp. handling cases to avoid error messages
> seen in "dts.log" . Do you want me to send a patch to you along with
> support added for I217 and i218?
>
>
>> For question 2, the garbage message show that DTS not strip color. Here is
>> one quick fix for it.
>>
>> diff --git a/framework/crb.py b/framework/crb.py
>> index aca62c1..e5224c8 100644
>> --- a/framework/crb.py
>> +++ b/framework/crb.py
>> @@ -226,7 +226,7 @@ class Crb(object):
>>          """
>>          Get interface name of specified pci device on linux.
>>          """
>> -        command = 'ls /sys/bus/pci/devices/0000:%s:%s/net' % (bus_id,
>> devfun_id)
>> +        command = 'ls --color=never /sys/bus/pci/devices/0000:%s:%s/net'
>> % (bus_id, devfun_id)
>>          return self.send_expect(command, '# ')
>>
>>
> <rk> I will apply this patch, test it and let you know.
>
>
>>      def get_interface_name_freebsd(self, bus_id, devfun_id):
>>
>> For question 3, DTS not scan ports normally, so you can try after fix
>> issue 2.
>>
> <rk> Issue here was more delay needed for I217 ports to acquire v6
> addresses after link up. If you are ok I can send a patch for this.
>
> Thanks,
> Ravi
>
>
>>> -----Original Message-----
>>> From: dts [mailto:dts-bounces at dpdk.org] On Behalf Of Ravi Kerur
>>> Sent: Saturday, January 17, 2015 5:09 AM
>>> To: dts at dpdk.org
>>> Subject: [dts] Clarifications on setting up DUT
>>>
>>> DTS team,
>>>
>>> I am making changes to DTS to support i217, i218 chipsets to DTS and I
>>> have couple of questions
>>>
>>> 1. Any README on system pre-requisites? Can I run DTS natively on DUT
>>> without any SSH?
>>>
>>>  I have I217 and 82540EM NICs in a system running Ubuntu. I would like to
>>> use both NIC's for testing. If I use regular method of SSH, I will loose
>>> one NIC hence the question.
>>>
>>> 2. When I run DTS, for some of the commands I am getting garbage output.
>>> The problem is seen on 2 Ubuntu systems. When I run those commands
>>> manually commands work fine for e.g.
>>>
>>> *16/01/2015 12:58:00       DTS_TESTER_CMD: ls
>>> /sys/bus/pci/devices/0000:00:19.0/net*
>>>
>>> *16/01/2015 12:58:00    DTS_TESTER_OUTPUT: ^[[0m^[[01;34meth0^[[0m*
>>>
>>> *16/01/2015 12:58:00       DTS_TESTER_CMD: Tester: [000:00:19.0
>> 8086:15a1]
>>> ^[[0m^[[01;34meth0^[[0m*
>>>
>>> *16/01/2015 12:58:00       DTS_TESTER_CMD: cat
>>> /sys/bus/pci/devices/0000:00:19.0/net/^[[0m^[[01;34meth0^[[0m/address*
>>>
>>> *16/01/2015 12:58:00    DTS_TESTER_OUTPUT: cat:
>>> /sys/bus/pci/devices/0000:00:19.0/net/m1: No such file or directory^M*
>>>
>>> *-bash: 34meth0m/address: No such file or directory*
>>>
>>> *16/01/2015 12:58:00       DTS_TESTER_CMD: ls
>>> /sys/bus/pci/devices/0000:04:02.0/net*
>>>
>>> *16/01/2015 12:58:00    DTS_TESTER_OUTPUT: ^[[0m^[[01;34meth1^[[0m*
>>>
>>> *16/01/2015 12:58:00       DTS_TESTER_CMD: Tester: [000:04:02.0
>> 8086:100e]
>>> ^[[0m^[[01;34meth1^[[0m*
>>>
>>> *16/01/2015 12:58:00       DTS_TESTER_CMD: cat
>>> /sys/bus/pci/devices/0000:04:02.0/net/^[[0m^[[01;34meth1^[[0m/address*
>>>
>>>
>>> 3. Tests start failing with following msgs even though I217 NIC is
>>> recognized.
>>>
>>> *Traceback (most recent call last):*
>>>
>>> *  File "/home/rkerur/dpdk-dts/dts/framework/dts.py", line 527, in
>>> execute_test_setup_all*
>>>
>>> *    test_case.set_up_all()*
>>>
>>> *  File "../tests/TestSuite_whitelist.py", line 61, in set_up_all*
>>>
>>> *    self.verify(len(self.dutPorts) >= 1, "Insufficient ports")*
>>>
>>> *  File "/home/rkerur/dpdk-dts/dts/framework/test_case.py", line 62, in
>>> verify*
>>>
>>> *    raise VerifyFailure(description)*
>>>
>>> *VerifyFailure: 'Insufficient ports'*
>>>
>>>
>>>
>>> *16/01/2015 12:58:23                 INFO:*
>>>
>>> *TEST SUITE ENDED: TestWhitelist*
>>>
>>>
>>> Thanks,
>>>
>>> Ravi
>>