From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) (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 079BB38F251; Tue, 28 Apr 2026 15:13:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777389197; cv=none; b=larOQGcic7701EpiNHM4JkCIBcAFY2/5qc9cVUU6P+C6WXExMJThoPtGE62pt1vpeNOfb8z1b3j4iQrc9PbsFtBHclrTDhG8vkPUc/dHLpXGbJu3B9V3Vo2F7BhxhJfjzv47PCW3qvMJjqvKrhx2k0qcj4YXw2O70NIv7zdvbzc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777389197; c=relaxed/simple; bh=6fFHNJC7+5kKW56ZhJcKHcNKRLt3YELgG+gR/jUoZxQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hz/I25mZOM2pobdT2YyFiuEFva72HBcvKw8Ey9RMyKspDs8AYj32p5xJ9aqXJRi9Q37UyOKtIMHDmNZ5Y86NjPziLdX0Gai6nklZzXGxMhaSSgvnP9pT4O0zCQQ2ZkSr+6gTlnn1nOmJJ2jNEjJNxRuN2w71vEzFc2AyhxCR3c8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=lwScEoKi; arc=none smtp.client-ip=198.175.65.19 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="lwScEoKi" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1777389196; x=1808925196; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=6fFHNJC7+5kKW56ZhJcKHcNKRLt3YELgG+gR/jUoZxQ=; b=lwScEoKiFvfAWz55lUcwFi4bp9w371mp0t5LRMbUDfU0O9eOOk6ocsEx 1GmVlc6BmJxS3BD4KNCwML4u0rrAIOoHaFWHmI3P3KV9aCFOz9zT7sBS3 xrbh+d5lIjWeM+CS1Wt3UysrTUAMJRbImTx5gSJ1DpawXGfdZEYazvqCy wqTV717+11LhgqC8OZPGpoG4NsMViByRDSaKPS6ktuvwphdb7vI7pmehm eR1ZQtfOE8IIEo6msJSxZoT/4zK03DkXmYSv5aow3OZe2QGCinwvpPO4O ZIuM9C+7k0S3fNHq+7ZBw2pvSoAJbukPuY+hXgLplUTX7u0ryrVQ+n7/a w==; X-CSE-ConnectionGUID: RYv6iywuQgGWB+eti7FrTw== X-CSE-MsgGUID: +5GL9bgDS26lfqZWW4CQ3A== X-IronPort-AV: E=McAfee;i="6800,10657,11770"; a="78216045" X-IronPort-AV: E=Sophos;i="6.23,204,1770624000"; d="scan'208";a="78216045" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Apr 2026 08:13:16 -0700 X-CSE-ConnectionGUID: oeIz82csT92U4pNTOoVXmQ== X-CSE-MsgGUID: s21mIPu1RreP3ubRGO3BYA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,204,1770624000"; d="scan'208";a="234280367" Received: from black.igk.intel.com ([10.91.253.5]) by orviesa007.jf.intel.com with ESMTP; 28 Apr 2026 08:13:13 -0700 Received: by black.igk.intel.com (Postfix, from userid 1001) id B998C95; Tue, 28 Apr 2026 17:13:11 +0200 (CEST) Date: Tue, 28 Apr 2026 17:13:11 +0200 From: Mika Westerberg To: Andrew Lunn Cc: linux-usb@vger.kernel.org, Yehezkel Bernat , Lukas Wunner , Andreas Noever , Alan Borzeszkowski , Andrew Lunn , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , netdev@vger.kernel.org Subject: Re: [PATCH 9/9] thunderbolt: Add support for USB4STREAM Message-ID: <20260428151311.GU557136@black.igk.intel.com> References: <20260428072209.3084930-1-mika.westerberg@linux.intel.com> <20260428072209.3084930-10-mika.westerberg@linux.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=utf-8 Content-Disposition: inline In-Reply-To: On Tue, Apr 28, 2026 at 05:08:55PM +0200, Andrew Lunn wrote: > On Tue, Apr 28, 2026 at 09:22:09AM +0200, Mika Westerberg wrote: > > Introduce USB4STREAM protocol and Linux implementation. This allows two > > (or more) hosts to transfer data directly over Thunderbolt/USB4 cable > > through a character device without need to go through the network stack. > > Is this mutually exclusive to networking, on a device? No - they can co-exist.