Re: cdc_ncm driver and NCM 1.1 revision

[Greg KH <gregkh@linuxfoundation.org>]

On Wed, Oct 22, 2025 at 03:18:07PM +0300, Ruinskiy, Dima wrote:
> Hi Oliver, how are you?
> 
> You are listed at the maintainer for the cdc_ncm and usbnet Linux drivers.
> 
> The cdc_ncm driver has only had a handful of changes in recent years, as the
> spec too has not been updated for some time.
> 
> Recently, the USB NCM workgroup has finished and published a major revision
> to the spec - NCM 1.1 - with several new features as well as data path
> updates.
> 
> The new revision is available here:
> https://www.usb.org/document-library/usb-communications-class-subclass-specifications-network-control-model-devices-v11
> 
> An "executive summary" is here:
> https://www.linkedin.com/posts/mcci-corporation_usb-if-compliance-workshop-139-activity-7335815355266719744-BAdf/
> 
> There are on-going initiatives to update the Windows and MacOS NCM drivers
> to support the new 1.1 features.
> 
> Do you know of any plans to update the Linux driver as well? I expect there
> will be some inquiries as soon as the first NCM1.1-capable devices appear,
> which may happen already next year.

Patches are always gladly accepted to add new support like this, thanks!  :)

greg k-h