netdev - Re: [PATCH 00/14] Modify action API for implementing lockless actions

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Date:   Wed, 16 May 2018 18:33:43 +0300
From:   Vlad Buslov <vladbu@...lanox.com>
To:     Roman Mashak <mrv@...atatu.com>
Cc:     Jamal Hadi Salim <jhs@...atatu.com>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>,
        David Miller <davem@...emloft.net>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Jiri Pirko <jiri@...nulli.us>, pablo@...filter.org,
        kadlec@...ckhole.kfki.hu, fw@...len.de, ast@...nel.org,
        Daniel Borkmann <daniel@...earbox.net>,
        Eric Dumazet <edumazet@...gle.com>, kliteyn@...lanox.com
Subject: Re: [PATCH 00/14] Modify action API for implementing lockless actions


On Wed 16 May 2018 at 14:38, Roman Mashak <mrv@...atatu.com> wrote:
> On Wed, May 16, 2018 at 2:43 AM, Vlad Buslov <vladbu@...lanox.com> wrote:
>>>>>> I'm trying to run tdc, but keep getting following error even on clean
>>>>>> branch without my patches:
>>>>>
>>>>> Vlad, not sure if you saw my email:
>>>>> Apply Roman's patch and try again
>>>>>
>>>>> https://marc.info/?l=linux-netdev&m=152639369112020&w=2
>>>>>
>>>>> cheers,
>>>>> jamal
>>>>
>>>> With patch applied I get following error:
>>>>
>>>> Test 7d50: Add skbmod action to set destination mac
>>>> exit: 255 0
>>>> dst MAC address <11:22:33:44:55:66>
>>>> RTNETLINK answers: No such file or directory
>>>> We have an error talking to the kernel
>>>>
>>>
>>> You may actually have broken something with your patches in this case.
>>
>> Results is for net-next without my patches.
>
> Do you have skbmod compiled in kernel or as a module?

Thanks, already figured out that default config has some actions
disabled.
Have more errors now. Everything related to ife:

Test 7682: Create valid ife encode action with mark and pass control
exit: 255 0
IFE type 0xED3E
RTNETLINK answers: No such file or directory
We have an error talking to the kernel

Test ef47: Create valid ife encode action with mark and pipe control
exit: 255 0
IFE type 0xED3E
RTNETLINK answers: No space left on device
We have an error talking to the kernel

Test df43: Create valid ife encode action with mark and continue control
exit: 255 0
IFE type 0xED3E
RTNETLINK answers: No space left on device
We have an error talking to the kernel

Test e4cf: Create valid ife encode action with mark and drop control
exit: 255 0
IFE type 0xED3E
RTNETLINK answers: No space left on device
We have an error talking to the kernel

Test ccba: Create valid ife encode action with mark and reclassify control
exit: 255 0
IFE type 0xED3E
RTNETLINK answers: No space left on device
We have an error talking to the kernel

Test a1cf: Create valid ife encode action with mark and jump control
exit: 255 0
IFE type 0xED3E
RTNETLINK answers: No space left on device
We have an error talking to the kernel

...


And problem with u32:
Test e9a3: Add u32 with source match

-----> prepare stage *** Could not execute: "$TC qdisc add dev $DEV1 ingress"

-----> prepare stage *** Error message: "Cannot find device "v0p1"
"

-----> prepare stage *** Aborting test run.


<_io.BufferedReader name=3> *** stdout ***


<_io.BufferedReader name=5> *** stderr ***
"-----> prepare stage" did not complete successfully
Exception <class '__main__.PluginMgrTestFail'> ('setup', None, '"-----> prepare stage" did not complete successfully') (caught in test_runner, running test 238 e9a3 Add u32 with source match stage setup)
---------------
traceback
  File "./tdc.py", line 293, in test_runner
    tap += run_one_test(pm, args, index, tidx)
  File "./tdc.py", line 192, in run_one_test
    prepare_env(args, pm, 'setup', "-----> prepare stage", tidx["setup"])
  File "./tdc.py", line 177, in prepare_env
    '"{}" did not complete successfully'.format(prefix))
---------------
---------------

Any suggestions regarding these errors?

Thanks,
Vlad