linux-kernel - Re: [PATCH 0/9] can: netlink: add CAN XL

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Message-ID: <20251017-spectacular-xanthic-swan-9427e8-mkl@pengutronix.de>
Date: Fri, 17 Oct 2025 15:53:19 +0200
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: Vincent Mailhol <mailhol@...nel.org>
Cc: Oliver Hartkopp <socketcan@...tkopp.net>, 
	Stéphane Grosjean <stephane.grosjean@...-networks.com>, Robert Nawrath <mbro1689@...il.com>, 
	Minh Le <minh.le.aj@...esas.com>, Duy Nguyen <duy.nguyen.rh@...esas.com>, 
	linux-can@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/9] can: netlink: add CAN XL

On 13.10.2025 20:01:22, Vincent Mailhol wrote:
> Following all the refactoring on the CAN netlink done in series [1],
> [2] and [3], this is now time to finally introduce the CAN XL netlink
> interface.
> 
> Similarly to how CAN FD reuses the bittiming logic of Classical CAN,
> CAN XL also reuses the entirety of CAN FD features, and, on top of
> that, adds new features which are specific to CAN XL.
> 
> Patch #1 adds a check in can_dev_dropped_skb() to drop CAN FD frames
> when CAN FD is turned off.
> 
> Patch #2 adds CAN_CTRLMODE_RESTRICTED. Note that contrary to the other
> CAN_CTRL_MODE_XL_* that are introduced in the later patches, this
> control mode is not specific to CAN XL. The nuance is that because
> this restricted mode was only added in ISO 11898-1:2024, it is made
> mandatory for CAN XL devices but optional for other protocols. This is
> why this patch is added as a preparation before introducing the core
> CAN XL logic.

What about merging patches 1+2 now?

regards,
Marc

-- 
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