From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: [RFC PATCH 2/3] netdev: kernel-only IFF_HIDDEN netdevice Date: Wed, 4 Apr 2018 10:44:00 -0700 Message-ID: <20180404104400.28b81570@xeon-e3> References: <1522573990-5242-1-git-send-email-si-wei.liu@oracle.com> <1522573990-5242-3-git-send-email-si-wei.liu@oracle.com> <8b589cd2-1abc-59c2-99f1-96df8174bb6b@gmail.com> <20180403154210.GK3313@nanopsycho> <3bdfc39f-4935-2433-7982-9ce28c3aa166@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: Siwei Liu , Jiri Pirko , Si-Wei Liu , "Michael S. Tsirkin" , Alexander Duyck , David Miller , "Brandeburg, Jesse" , Jakub Kicinski , Jason Wang , "Samudrala, Sridhar" , Netdev , virtualization@lists.linux-foundation.org To: David Ahern Return-path: Received: from mail-pl0-f65.google.com ([209.85.160.65]:35094 "EHLO mail-pl0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750890AbeDDRoE (ORCPT ); Wed, 4 Apr 2018 13:44:04 -0400 Received: by mail-pl0-f65.google.com with SMTP id 61-v6so13098994plb.2 for ; Wed, 04 Apr 2018 10:44:03 -0700 (PDT) In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: On Wed, 4 Apr 2018 11:37:52 -0600 David Ahern wrote: > Networking vendors have out of tree kernel modules. Those modules use a > netdev (call it a master netdev, a control netdev, cpu port, whatever) > to pull packets from the ASIC and deliver to virtual netdevices > representing physical ports. The master netdev should not be mucked with > by a user. It should be ignored by certain s/w with lldpd as just an > *example*. Sorry, the linux kernel maintainers have a clear well defined attitude about out of tree kernel modules...