Re: [RFC PATCH 0/2] can: add dummy_can termination and update SocketCAN docs for CAN XL

From: Rakuram Eswaran
Date: Mon Dec 08 2025 - 09:57:31 EST


On Fri, 28 Nov 2025 at 00:49, Rakuram Eswaran <rakuram.e96@xxxxxxxxx> wrote:
>
> This RFC series introduces two changes related to CAN XL support:
>
>   1. Add termination configuration support to the dummy_can driver,
>      enabling termination testing with iproute2.
>
>   2. Update the SocketCAN documentation to describe CAN XL operation,
>      including MTU changes, bittiming/XBTR settings, mixed-mode
>      behaviour, error signalling, and example iproute2 usage.
>
> The goal of this RFC is to validate whether the proposed behaviour and
> documentation match the expectations for the ongoing CAN XL upstream
> work. Feedback from the maintainers is highly appreciated.
>
> Base commit:
> commit 30f09200cc4a ("Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux")
>
> For testing, this series was applied on top of the following patchsets:
>
>   * "treewide: remove can_change_mtu()" (Vincent Mailhol)
>         b4 am 20251003-remove-can_change_mtu-v1-1-337f8bc21181@xxxxxxxxxx
>         git am ./20251003_mailhol_can_treewide_remove_can_change_mtu.mbx
>
>   * "can: netlink: add CAN XL support" (Marc Kleine-Budde)
>         b4 am 20251126-canxl-v8-0-e7e3eb74f889@xxxxxxxxxxxxxx
>         git am ./v8_20251126_mkl_can_netlink_add_can_xl_support.mbx
>
> Testing was performed using the iproute2-next tree (canxl-netlink branch),
> which contains the required CAN XL netlink support for validating
> these changes.
>

Hello,

Gentle ping — any feedback on this documentation update patch series?

Best Regards,
Rakuram