From: Kurt Kanzenbach <kurt@linutronix.de>
To: Vinicius Costa Gomes <vinicius.gomes@intel.com>,
Jesse Brandeburg <jesse.brandeburg@intel.com>,
Tony Nguyen <anthony.l.nguyen@intel.com>
Cc: netdev@vger.kernel.org, Eric Dumazet <edumazet@google.com>,
intel-wired-lan@lists.osuosl.org,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
"David S. Miller" <davem@davemloft.net>
Subject: Re: [Intel-wired-lan] [PATCH net-next] igc: Lift TAPRIO schedule restriction
Date: Wed, 08 Jun 2022 08:00:37 +0200 [thread overview]
Message-ID: <8735gfzoca.fsf@kurt> (raw)
In-Reply-To: <87wndsmm43.fsf@intel.com>
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>>> What I have in mind is a schedule that queue 0 is mentioned multiple
>>> times, for example:
>>>
>>> | sched-entry S 0x01 300000 \ # Stream High/Low
>>> | sched-entry S 0x03 500000 \ # Management and Best Effort
>>> | sched-entry S 0x05 200000 \ # Best Effort
>>>
>>
>> So, this schedule works with the proposed patch. Queue 0 is opened in
>> all three entries. My debug code shows:
>>
>> |tc-6145 [010] ....... 616.190589: igc_setup_tc: Qbv configuration:
>> |tc-6145 [010] ....... 616.190592: igc_setup_tc: Queue 0 -- start_time=0 [ns]
>> |tc-6145 [010] ....... 616.190592: igc_setup_tc: Queue 0 -- end_time=1000000 [ns]
>> |tc-6145 [010] ....... 616.190593: igc_setup_tc: Queue 1 -- start_time=300000 [ns]
>> |tc-6145 [010] ....... 616.190593: igc_setup_tc: Queue 1 -- end_time=800000 [ns]
>> |tc-6145 [010] ....... 616.190593: igc_setup_tc: Queue 2 -- start_time=800000 [ns]
>> |tc-6145 [010] ....... 616.190594: igc_setup_tc: Queue 2 -- end_time=1000000 [ns]
>> |tc-6145 [010] ....... 616.190594: igc_setup_tc: Queue 3 -- start_time=800000 [ns]
>> |tc-6145 [010] ....... 616.190594: igc_setup_tc: Queue 3 -- end_time=1000000 [ns]
>>
>> Anyway, I'd appreciate some testing on your side too :).
>
> Sure, I can give it a spin, but it'll have to be later in the week, kind
> of swamped right now.
No problem. Actually i'm out of office for the next two weeks. I'll
update the patch afterwards if required.
Thanks,
Kurt
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next prev parent reply other threads:[~2022-06-08 6:00 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-06 9:27 [Intel-wired-lan] [PATCH net-next] igc: Lift TAPRIO schedule restriction Kurt Kanzenbach
2022-06-06 23:55 ` Vinicius Costa Gomes
2022-06-07 7:06 ` Kurt Kanzenbach
2022-06-07 17:14 ` Vinicius Costa Gomes
2022-06-08 6:00 ` Kurt Kanzenbach [this message]
2022-06-24 23:56 ` Vinicius Costa Gomes
2022-07-11 5:14 ` naamax.meir
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