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From: "naamax.meir" <naamax.meir@linux.intel.com>
To: Florian Kauer <florian.kauer@linutronix.de>,
	Jesse Brandeburg <jesse.brandeburg@intel.com>,
	Tony Nguyen <anthony.l.nguyen@intel.com>,
	Vinicius Costa Gomes <vinicius.gomes@intel.com>,
	"David S . Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Tan Tee Min <tee.min.tan@linux.intel.com>,
	Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>,
	Aravindhan Gunasekaran <aravindhan.gunasekaran@intel.com>,
	Malli C <mallikarjuna.chilakala@intel.com>
Cc: netdev@vger.kernel.org, kurt@linutronix.de,
	intel-wired-lan@lists.osuosl.org, linux-kernel@vger.kernel.org
Subject: Re: [Intel-wired-lan] [PATCH net v2 1/6] igc: Rename qbv_enable to taprio_offload_enable
Date: Sun, 2 Jul 2023 16:42:46 +0300	[thread overview]
Message-ID: <ec3f0f2d-c8d4-3df7-7ff4-5c841a050be3@linux.intel.com> (raw)
In-Reply-To: <20230619100858.116286-2-florian.kauer@linutronix.de>

On 6/19/2023 13:08, Florian Kauer wrote:
> In the current implementation the flags adapter->qbv_enable
> and IGC_FLAG_TSN_QBV_ENABLED have a similar name, but do not
> have the same meaning. The first one is used only to indicate
> taprio offload (i.e. when igc_save_qbv_schedule was called),
> while the second one corresponds to the Qbv mode of the hardware.
> However, the second one is also used to support the TX launchtime
> feature, i.e. ETF qdisc offload. This leads to situations where
> adapter->qbv_enable is false, but the flag IGC_FLAG_TSN_QBV_ENABLED
> is set. This is prone to confusion.
> 
> The rename should reduce this confusion. Since it is a pure
> rename, it has no impact on functionality.
> 
> Fixes: e17090eb2494 ("igc: allow BaseTime 0 enrollment for Qbv")
> Signed-off-by: Florian Kauer <florian.kauer@linutronix.de>
> Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
> ---
>   drivers/net/ethernet/intel/igc/igc.h      | 2 +-
>   drivers/net/ethernet/intel/igc/igc_main.c | 2 +-
>   drivers/net/ethernet/intel/igc/igc_tsn.c  | 2 +-
>   3 files changed, 3 insertions(+), 3 deletions(-)

Tested-by: Naama Meir <naamax.meir@linux.intel.com>
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WARNING: multiple messages have this Message-ID (diff)
From: "naamax.meir" <naamax.meir@linux.intel.com>
To: Florian Kauer <florian.kauer@linutronix.de>,
	Jesse Brandeburg <jesse.brandeburg@intel.com>,
	Tony Nguyen <anthony.l.nguyen@intel.com>,
	Vinicius Costa Gomes <vinicius.gomes@intel.com>,
	"David S . Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Tan Tee Min <tee.min.tan@linux.intel.com>,
	Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>,
	Aravindhan Gunasekaran <aravindhan.gunasekaran@intel.com>,
	Malli C <mallikarjuna.chilakala@intel.com>
Cc: netdev@vger.kernel.org, kurt@linutronix.de,
	intel-wired-lan@lists.osuosl.org, linux-kernel@vger.kernel.org
Subject: Re: [Intel-wired-lan] [PATCH net v2 1/6] igc: Rename qbv_enable to taprio_offload_enable
Date: Sun, 2 Jul 2023 16:42:46 +0300	[thread overview]
Message-ID: <ec3f0f2d-c8d4-3df7-7ff4-5c841a050be3@linux.intel.com> (raw)
In-Reply-To: <20230619100858.116286-2-florian.kauer@linutronix.de>

On 6/19/2023 13:08, Florian Kauer wrote:
> In the current implementation the flags adapter->qbv_enable
> and IGC_FLAG_TSN_QBV_ENABLED have a similar name, but do not
> have the same meaning. The first one is used only to indicate
> taprio offload (i.e. when igc_save_qbv_schedule was called),
> while the second one corresponds to the Qbv mode of the hardware.
> However, the second one is also used to support the TX launchtime
> feature, i.e. ETF qdisc offload. This leads to situations where
> adapter->qbv_enable is false, but the flag IGC_FLAG_TSN_QBV_ENABLED
> is set. This is prone to confusion.
> 
> The rename should reduce this confusion. Since it is a pure
> rename, it has no impact on functionality.
> 
> Fixes: e17090eb2494 ("igc: allow BaseTime 0 enrollment for Qbv")
> Signed-off-by: Florian Kauer <florian.kauer@linutronix.de>
> Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
> ---
>   drivers/net/ethernet/intel/igc/igc.h      | 2 +-
>   drivers/net/ethernet/intel/igc/igc_main.c | 2 +-
>   drivers/net/ethernet/intel/igc/igc_tsn.c  | 2 +-
>   3 files changed, 3 insertions(+), 3 deletions(-)

Tested-by: Naama Meir <naamax.meir@linux.intel.com>

  reply	other threads:[~2023-07-02 13:42 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-19 10:08 [Intel-wired-lan] [PATCH net v2 0/6] igc: Fix corner cases for TSN offload Florian Kauer
2023-06-19 10:08 ` Florian Kauer
2023-06-19 10:08 ` [Intel-wired-lan] [PATCH net v2 1/6] igc: Rename qbv_enable to taprio_offload_enable Florian Kauer
2023-06-19 10:08   ` Florian Kauer
2023-07-02 13:42   ` naamax.meir [this message]
2023-07-02 13:42     ` [Intel-wired-lan] " naamax.meir
2023-07-02 16:55   ` Markus Elfring
2023-07-02 16:55     ` Markus Elfring
2023-07-02 19:17     ` [Intel-wired-lan] " Florian Kauer
2023-07-02 19:17       ` Florian Kauer
2023-06-19 10:08 ` [Intel-wired-lan] [PATCH net v2 2/6] igc: Do not enable taprio offload for invalid arguments Florian Kauer
2023-06-19 10:08   ` Florian Kauer
2023-07-03  8:34   ` [Intel-wired-lan] " naamax.meir
2023-07-03  8:34     ` naamax.meir
2023-06-19 10:08 ` [Intel-wired-lan] [PATCH net v2 3/6] igc: Handle already enabled taprio offload for basetime 0 Florian Kauer
2023-06-19 10:08   ` Florian Kauer
2023-07-04  5:28   ` [Intel-wired-lan] " naamax.meir
2023-07-04  5:28     ` naamax.meir
2023-06-19 10:08 ` [Intel-wired-lan] [PATCH net v2 4/6] igc: No strict mode in pure launchtime/CBS offload Florian Kauer
2023-06-19 10:08   ` Florian Kauer
2023-07-04  9:34   ` [Intel-wired-lan] " naamax.meir
2023-07-04  9:34     ` naamax.meir
2023-07-04  9:39   ` Paul Menzel
2023-07-04  9:39     ` Paul Menzel
2023-06-19 10:08 ` [Intel-wired-lan] [PATCH net v2 5/6] igc: Fix launchtime before start of cycle Florian Kauer
2023-06-19 10:08   ` Florian Kauer
2023-07-05 11:06   ` [Intel-wired-lan] " naamax.meir
2023-07-05 11:06     ` naamax.meir
2023-06-19 10:08 ` [Intel-wired-lan] [PATCH net v2 6/6] igc: Fix inserting of empty frame for launchtime Florian Kauer
2023-06-19 10:08   ` Florian Kauer
2023-07-02 17:24   ` [Intel-wired-lan] " Markus Elfring
2023-07-02 17:24     ` Markus Elfring
2023-07-06 11:36   ` [Intel-wired-lan] " naamax.meir
2023-07-06 11:36     ` naamax.meir
2023-06-20 22:57 ` [Intel-wired-lan] [PATCH net v2 0/6] igc: Fix corner cases for TSN offload Vinicius Costa Gomes
2023-06-20 22:57   ` Vinicius Costa Gomes
2023-06-21  0:17 ` [Intel-wired-lan] " Zulkifli, Muhammad Husaini
2023-06-21  0:17   ` Zulkifli, Muhammad Husaini

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