From: "naamax.meir" <naamax.meir@linux.intel.com>
To: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>,
intel-wired-lan@osuosl.org
Cc: tee.min.tan@linux.intel.com
Subject: Re: [Intel-wired-lan] [PATCH 2/5] igc: remove I226 Qbv BaseTime restriction
Date: Sun, 13 Nov 2022 09:29:58 +0200 [thread overview]
Message-ID: <f9af4483-cba1-f4f4-9daf-b1ffa4db074c@linux.intel.com> (raw)
In-Reply-To: <20221030045324.25207-3-muhammad.husaini.zulkifli@intel.com>
On 10/30/2022 06:53, Muhammad Husaini Zulkifli wrote:
> Remove the Qbv BaseTime restriction for I226 so that the BaseTime can be
> scheduled to the future time. A new register bit of Tx Qav Control
> (Bit-7: FutScdDis) was introduced to allow I226 scheduling future time as
> Qbv BaseTime and not having the Tx hang timeout issue.
>
> Besides, according to datasheet section 7.5.2.9.3.3, FutScdDis bit has to
> be configured first before the cycle time and base time.
>
> Indeed the FutScdDis bit is only active on re-configuration, thus we have
> to set the BASET_L to zero and then only set it to the desired value.
>
> Please also note that the Qbv configuration flow is moved around based on
> the Qbv programming guideline that is documented in the latest datasheet.
>
> Co-Developed-by : Tan Tee Min <tee.min.tan@linux.intel.com>
> Signed-off-by: Tan Tee Min <tee.min.tan@linux.intel.com>
> Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
> ---
> drivers/net/ethernet/intel/igc/igc_base.c | 29 +++++++++++++
> drivers/net/ethernet/intel/igc/igc_base.h | 2 +
> drivers/net/ethernet/intel/igc/igc_defines.h | 1 +
> drivers/net/ethernet/intel/igc/igc_main.c | 5 ++-
> drivers/net/ethernet/intel/igc/igc_tsn.c | 44 +++++++++++++-------
> 5 files changed, 65 insertions(+), 16 deletions(-)
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
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next prev parent reply other threads:[~2022-11-13 7:30 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-30 4:53 [Intel-wired-lan] [PATCH 0/5] igc: TSN Qbv Improvement for I226 Stepping Muhammad Husaini Zulkifli
2022-10-30 4:53 ` [Intel-wired-lan] [PATCH 1/5] igc: allow BaseTime 0 enrollment for Qbv Muhammad Husaini Zulkifli
2022-11-13 7:28 ` naamax.meir
2022-10-30 4:53 ` [Intel-wired-lan] [PATCH 2/5] igc: remove I226 Qbv BaseTime restriction Muhammad Husaini Zulkifli
2022-11-03 18:26 ` Tony Nguyen
2022-11-04 8:28 ` Zulkifli, Muhammad Husaini
2022-11-13 7:29 ` naamax.meir [this message]
2022-10-30 4:53 ` [Intel-wired-lan] [PATCH 3/5] igc: recalculate Qbv end_time by considering cycle time Muhammad Husaini Zulkifli
2022-11-13 7:31 ` naamax.meir
2022-10-30 4:53 ` [Intel-wired-lan] [PATCH 4/5] igc: enable Qbv configuration for 2nd GCL Muhammad Husaini Zulkifli
2022-11-13 7:32 ` naamax.meir
2022-10-30 4:53 ` [Intel-wired-lan] [PATCH 5/5] igc: Set Qbv start_time and end_time to end_time if not being configured in GCL Muhammad Husaini Zulkifli
2022-11-13 7:33 ` naamax.meir
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