From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263196AbTDGC0i (for ); Sun, 6 Apr 2003 22:26:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263197AbTDGC0i (for ); Sun, 6 Apr 2003 22:26:38 -0400 Received: from neon-gw-l3.transmeta.com ([63.209.4.196]:32263 "EHLO neon-gw.transmeta.com") by vger.kernel.org with ESMTP id S263196AbTDGC0h (for ); Sun, 6 Apr 2003 22:26:37 -0400 To: linux-kernel@vger.kernel.org From: "H. Peter Anvin" Subject: Re: Serial port over TCP/IP Date: 6 Apr 2003 19:37:57 -0700 Organization: Transmeta Corporation, Santa Clara CA Message-ID: References: <200304061447.46393.freesoftwaredeveloper@web.de> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Disclaimer: Not speaking for Transmeta in any way, shape, or form. Copyright: Copyright 2003 H. Peter Anvin - All Rights Reserved Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Followup to: <200304061447.46393.freesoftwaredeveloper@web.de> By author: Michael Buesch In newsgroup: linux.dev.kernel > > Is it possible to make a char-dev (a serial device ttyS0) > available via TCP/IP on a network like it is possible > for block-devices like a harddisk via nbd? > Is kernel-support for this present? > If not, is it technically possible to develop such a driver? > I think what you need is the enhanced pty driver patch which was posted recently, which made is possible for a user-space process to also capture ioctls() such as baud rate setting etc. Then the rest of the work can be done in userspace. -hpa -- at work, in private! "Unix gives you enough rope to shoot yourself in the foot." Architectures needed: ia64 m68k mips64 ppc ppc64 s390 s390x sh v850 x86-64