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 3/5] igc: recalculate Qbv end_time by considering cycle time
Date: Sun, 13 Nov 2022 09:31:24 +0200 [thread overview]
Message-ID: <0d2d09e5-5e43-db4d-75e5-f4a3e732256e@linux.intel.com> (raw)
In-Reply-To: <20221030045324.25207-4-muhammad.husaini.zulkifli@intel.com>
On 10/30/2022 06:53, Muhammad Husaini Zulkifli wrote:
> From: Tan Tee Min <tee.min.tan@linux.intel.com>
>
> Qbv users can specify a cycle time that is not equal to the total GCL
> intervals. Hence, recalculation is necessary here to exclude the time
> interval that exceeds the cycle time. As those GCL which exceeds the
> cycle time will be truncated.
>
> According to IEEE Std. 802.1Q-2018 section 8.6.9.2, once the end of
> the list is reached, it will switch to the END_OF_CYCLE state and
> leave the gates in the same state until the next cycle is started.
>
> 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_main.c | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
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next prev parent reply other threads:[~2022-11-13 7:31 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
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 [this message]
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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