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From: Maxime Chevallier <maxime.chevallier@bootlin.com>
To: Lorenzo Bianconi <lorenzo.bianconi@oss.qualcomm.com>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	Alexandre Torgue <alexandre.torgue@foss.st.com>,
	Vladimir Oltean <olteanv@gmail.com>, Furong Xu <0x1207@gmail.com>
Cc: Daniel Thompson <daniel@riscstar.com>,
	netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org,
	Davide Caratti <dcaratti@redhat.com>
Subject: Re: [PATCH net-next v3 0/2] net: stmmac: Introduce hw queue priority offload
Date: Thu, 1 Oct 2026 14:44:42 +0200	[thread overview]
Message-ID: <9c867ce8-ff4a-4d0f-a09e-a94b59d602bd@bootlin.com> (raw)
In-Reply-To: <20260928-stmmac-mqprio-prio-offload-v3-0-abbe181f5024@oss.qualcomm.com>

Hi Lorenzo,

On 9/28/26 18:48, Lorenzo Bianconi wrote:
> Implement the offload of the tc mqprio hw queue priority in the stmmac
> driver. This feature requires the mqprio to be configured in channel
> mode.
> Do not overwrite real_num_tx_queues configured by the qdisc in
> stmmac_hw_setup().

I've tested that on AgileX5 with:

tc qdisc replace dev eth0 root handle 1: mqprio num_tc 2 \
map 0 0 0 0 1 1 1 1 queues 1@0 1@1 hw 1 mode channel

I do see the right prio -> queue mapping being used :)

Also checked that doing a down->up keeps the config. This is
great, thanks !

Tested-by: Maxime Chevallier <maxime.chevallier@bootlin.com>

Maxime


  parent reply	other threads:[~2026-10-01 12:44 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-28 16:48 [PATCH net-next v3 0/2] net: stmmac: Introduce hw queue priority offload Lorenzo Bianconi
2026-09-28 16:48 ` [PATCH net-next v3 1/2] net: stmmac: add tc mqprio " Lorenzo Bianconi
2026-10-01  4:48   ` netdev-bot+sashiko
2026-09-28 16:48 ` [PATCH net-next v3 2/2] net: stmmac: align real_num_tx_queues to mqprio configuration Lorenzo Bianconi
2026-10-01  4:48   ` netdev-bot+sashiko
2026-10-01 12:44 ` Maxime Chevallier [this message]
2026-10-01 13:53 ` [PATCH net-next v3 0/2] net: stmmac: Introduce hw queue priority offload Lorenzo Bianconi

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