From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2F33727B50C for ; Wed, 22 Oct 2025 12:28:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761136115; cv=none; b=Mdsn5i64wTtSx9PBrP8hhiabgGN/9Lo0eHnQkJTsA/VNUGw7H06JmCs/4mlLlo4b21rNnnTH2MEe+uva5ONoZHO4yb9ie65iwEhtlp2b5HToP6vzn6utch2usdYt/yI4OQfwVB42gOBVfqw1xcYUMCJGzS9vyvEaJLr1INeYiTQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761136115; c=relaxed/simple; bh=3Wy5tbbBgeG6ETQ8yBIhpGKKhiUwz1VpOh4Gp3T7Tys=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=sc/QDbA8mENS8TJV7rBTlDhyf7pH1ekVsr6p5NJ+XYgpiDv+rsu3sayqtvEBs3c3T9haZJ9EQAm9ZKg387aKqe5hoq3YROg9Lb1hAqMr3MGmhcoMqjhXfS3TTBbVo8xkxguHcdkzhuNlVtVCWMvEtdlr2GBTkJfP8vEC8v1xE1g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=N04xW4y1; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="N04xW4y1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4DEBAC4CEE7; Wed, 22 Oct 2025 12:28:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1761136114; bh=3Wy5tbbBgeG6ETQ8yBIhpGKKhiUwz1VpOh4Gp3T7Tys=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=N04xW4y1YfOpjpSnZpLrFjWCouUAN/hs966FW6QZseB1GgTJGQ94rXfeJxkACL3O6 tVX9oDE6BTdiiMrImix5hhXGmStqNzEBm1ZoZjxsb+LAqaqAy5LfRkETnbKOHX0b7d N6Qm+5mhaCoWdVkU26lPNUif+Uk7VxoJIKr64MAk= Date: Wed, 22 Oct 2025 14:28:31 +0200 From: Greg KH To: "Ruinskiy, Dima" Cc: Oliver Neukum , Oliver Neukum , Maciej =?utf-8?Q?=C5=BBenczykowski?= , Terry Moore , linux-usb@vger.kernel.org Subject: Re: cdc_ncm driver and NCM 1.1 revision Message-ID: <2025102259-purebred-amulet-b6d2@gregkh> References: <6c22b4d5-7d6d-41ab-9b00-9dccf3ec8963@intel.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6c22b4d5-7d6d-41ab-9b00-9dccf3ec8963@intel.com> 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