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From: Jakub Kicinski <kuba@kernel.org>
To: Christian Schmidbauer <opensource@grische.xyz>
Cc: netdev@vger.kernel.org, maxime.chevallier@bootlin.com,
	andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@kernel.org,
	pabeni@redhat.com, Oleksij Rempel <o.rempel@pengutronix.de>,
	stable@vger.kernel.org,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	Alexandre Torgue <alexandre.torgue@foss.st.com>,
	Giuseppe Cavallaro <peppe.cavallaro@st.com>,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH net v2 3/3] net: stmmac: dwmac1000: stop hardware from dropping checksum-error packets
Date: Tue, 10 Nov 2026 12:25:36 -0800	[thread overview]
Message-ID: <20261110122536.7cca85ce@kernel.org> (raw)
In-Reply-To: <20261104151914.2651241-4-opensource@grische.xyz>

On Wed,  4 Nov 2026 16:19:13 +0100 Christian Schmidbauer wrote:
>  /* DMA operation mode defines (start/stop tx/rx are placed in common header)*/
>  /* Disable Drop TCP/IP csum error */
> +#define DMA_CONTROL_DT		0x04000000

Maybe just me, since I don't know the HW, but what does _DT stand for
in this context? Other bits seem to be documented with a comment,
let's document the new one as well.

Not sure what the comment above the new define is deferring to, either.
Should it be removed?

>  #define DMA_CONTROL_RSF		0x02000000	/* Receive Store and Forward */
>  #define DMA_CONTROL_DFF		0x01000000	/* Disaable flushing */
-- 
pw-bot: cr

  reply	other threads:[~2026-11-10 20:25 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-11-04 15:19 [PATCH net v2 0/3] net: stmmac: deliver frames with Rx checksum errors to the stack Christian Schmidbauer
2026-11-04 15:19 ` [PATCH net v2 1/3] net: stmmac: honour Rx checksum errors in the AF_XDP zero-copy path Christian Schmidbauer
2026-11-04 15:19 ` [PATCH net v2 2/3] net: stmmac: dwmac1000: don't discard frames with only a checksum error Christian Schmidbauer
2026-11-04 15:19 ` [PATCH net v2 3/3] net: stmmac: dwmac1000: stop hardware from dropping checksum-error packets Christian Schmidbauer
2026-11-10 20:25   ` Jakub Kicinski [this message]
2026-11-10 21:47     ` Christian Schmidbauer

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