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From: Shawn Guo <shawnguo@kernel.org>
To: Xiaoliang Yang <xiaoliang.yang_1@nxp.com>
Cc: robh+dt@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com,
	linux-arm-kernel@lists.infradead.org,
	linux-tegra@vger.kernel.org, linux-imx@nxp.com,
	kernel@pengutronix.de, devicetree@vger.kernel.org,
	qiangqing.zhang@nxp.com
Subject: Re: [PATCH v3] arm64: dts: imx8mp-evk: configure multiple queues on eqos
Date: Thu, 16 Dec 2021 18:14:41 +0800	[thread overview]
Message-ID: <20211216101438.GL4216@dragon> (raw)
In-Reply-To: <20211216092448.35927-1-xiaoliang.yang_1@nxp.com>

On Thu, Dec 16, 2021 at 05:24:48PM +0800, Xiaoliang Yang wrote:
> Eqos ethernet support five queues on hardware, enable these queues and
> configure the priority of each queue. Uses Strict Priority as scheduling
> algorithms to ensure that the TSN function works.
> 
> The priority of each queue is a bitmask value that maps VLAN tag
> priority to the queue. Since the hardware only supports five queues,
> this patch maps priority 0-4 to queues one by one, and priority 5-7 to
> queue 4.
> 
> The total fifo size of 5 queues is 8192 bytes, if enable 5 queues with
> store-and-forward mode, it's not enough for large packets, which would
> trigger fifo overflow frequently. This patch set DMA to thresh mode to
> enable all 5 queues.
> 
> Signed-off-by: Xiaoliang Yang <xiaoliang.yang_1@nxp.com>
> Reviewed-by: Joakim Zhang <qiangqing.zhang@nxp.com>

Applied, thanks!

WARNING: multiple messages have this Message-ID (diff)
From: Shawn Guo <shawnguo@kernel.org>
To: Xiaoliang Yang <xiaoliang.yang_1@nxp.com>
Cc: robh+dt@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com,
	linux-arm-kernel@lists.infradead.org,
	linux-tegra@vger.kernel.org, linux-imx@nxp.com,
	kernel@pengutronix.de, devicetree@vger.kernel.org,
	qiangqing.zhang@nxp.com
Subject: Re: [PATCH v3] arm64: dts: imx8mp-evk: configure multiple queues on eqos
Date: Thu, 16 Dec 2021 18:14:41 +0800	[thread overview]
Message-ID: <20211216101438.GL4216@dragon> (raw)
In-Reply-To: <20211216092448.35927-1-xiaoliang.yang_1@nxp.com>

On Thu, Dec 16, 2021 at 05:24:48PM +0800, Xiaoliang Yang wrote:
> Eqos ethernet support five queues on hardware, enable these queues and
> configure the priority of each queue. Uses Strict Priority as scheduling
> algorithms to ensure that the TSN function works.
> 
> The priority of each queue is a bitmask value that maps VLAN tag
> priority to the queue. Since the hardware only supports five queues,
> this patch maps priority 0-4 to queues one by one, and priority 5-7 to
> queue 4.
> 
> The total fifo size of 5 queues is 8192 bytes, if enable 5 queues with
> store-and-forward mode, it's not enough for large packets, which would
> trigger fifo overflow frequently. This patch set DMA to thresh mode to
> enable all 5 queues.
> 
> Signed-off-by: Xiaoliang Yang <xiaoliang.yang_1@nxp.com>
> Reviewed-by: Joakim Zhang <qiangqing.zhang@nxp.com>

Applied, thanks!

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  reply	other threads:[~2021-12-16 10:14 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-16  9:24 [PATCH v3] arm64: dts: imx8mp-evk: configure multiple queues on eqos Xiaoliang Yang
2021-12-16  9:24 ` Xiaoliang Yang
2021-12-16 10:14 ` Shawn Guo [this message]
2021-12-16 10:14   ` Shawn Guo
2021-12-16 10:27 ` (EXT) " Alexander Stein
2021-12-16 10:27   ` Alexander Stein
2021-12-16 10:54   ` [EXT] " Xiaoliang Yang
2021-12-16 10:54     ` Xiaoliang Yang

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