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From: Vladimir Oltean <vladimir.oltean@nxp.com>
To: "Zulkifli, Muhammad Husaini" <muhammad.husaini.zulkifli@intel.com>
Cc: "tee.min.tan@linux.intel.com" <tee.min.tan@linux.intel.com>,
	"intel-wired-lan@osuosl.org" <intel-wired-lan@osuosl.org>,
	"Nguyen, Anthony L" <anthony.l.nguyen@intel.com>
Subject: Re: [Intel-wired-lan] [PATCH iwl-net v3] igc: Add TransmissionOverrun counter
Date: Tue, 13 Jun 2023 18:41:22 +0300	[thread overview]
Message-ID: <20230613154122.d75fclckvwxlapwi@skbuf> (raw)
In-Reply-To: <SJ1PR11MB618092B287B39503DD2C5873B855A@SJ1PR11MB6180.namprd11.prod.outlook.com>

On Tue, Jun 13, 2023 at 03:38:54PM +0000, Zulkifli, Muhammad Husaini wrote:
> No, they aren't aware of it. They will just query this counter to determine if the 
> value has increased or not. The test plan does not rely entirely on the counter.
> On the receive side, it will validate all frames for the traffic class involved. 
> Any transmitted frame that is not received or any of the received frame 
> does not fulfil the frameEndTime criteria will cause the test plan to fail before 
> reading the overrun counter again. Since our HW with STRICT_END bit able to 
> fulfill the criteria, we can assume that Counter "0" is valid here. 
> 
> Unless HW fails to meet the framEndtime criteria  and reports a "0" value... 
> However, in this scenario, it will eventually fail the test plan.

Ok, I take back this objection then, only the other one remains in that
case, with unnecessarily keeping this constant counter in the driver's
ring data structures.
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  reply	other threads:[~2023-06-13 15:41 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-01  0:59 [Intel-wired-lan] [PATCH iwl-net v3] igc: Add TransmissionOverrun counter Muhammad Husaini Zulkifli
2023-06-01  1:29 ` Zulkifli, Muhammad Husaini
2023-06-06 14:02 ` Vladimir Oltean
2023-06-09 17:10   ` Zulkifli, Muhammad Husaini
2023-06-09 17:38     ` Vladimir Oltean
2023-06-12  3:50       ` Zulkifli, Muhammad Husaini
2023-06-12 14:28         ` Vladimir Oltean
2023-06-13 15:38           ` Zulkifli, Muhammad Husaini
2023-06-13 15:41             ` Vladimir Oltean [this message]
2023-06-14  1:07               ` Zulkifli, Muhammad Husaini

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