From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: [PATCH net-next] qdisc: allow setting default queuing discipline Date: Wed, 28 Aug 2013 10:28:35 -0700 Message-ID: <20130828102835.2cfa5d41@nehalam.linuxnetplumber.net> References: <20130827161908.26062336@nehalam.linuxnetplumber.net> <1377662448.8828.155.camel@edumazet-glaptop> <1377665870.8828.163.camel@edumazet-glaptop> <20130828091836.5c8285f4@nehalam.linuxnetplumber.net> <1377710453.8277.11.camel@edumazet-glaptop> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: David Miller , netdev@vger.kernel.org To: Eric Dumazet Return-path: Received: from mail-pb0-f42.google.com ([209.85.160.42]:57179 "EHLO mail-pb0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753033Ab3H1R2k (ORCPT ); Wed, 28 Aug 2013 13:28:40 -0400 Received: by mail-pb0-f42.google.com with SMTP id un15so6560329pbc.29 for ; Wed, 28 Aug 2013 10:28:39 -0700 (PDT) In-Reply-To: <1377710453.8277.11.camel@edumazet-glaptop> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, 28 Aug 2013 10:20:53 -0700 Eric Dumazet wrote: > On Wed, 2013-08-28 at 09:18 -0700, Stephen Hemminger wrote: > > > Although your idea adds completeness, not sure if it is worth it. > > The thing is if user is using HTB, they already are using tc > > commands to set it up, therefore the additional script steps to choose some > > other qdisc for the leaf nodes doesn't seem like a burden. > > Therefore the sysctl doesn't help much and might even create more > > confusion because there is now two places to update. > > Well, I need such a facility because I cannot change HTB setup. > > I can boot a new kernel, yet not really change user scripts, especially > when tc setup is actually not a script, but a complex binary doing > constant changes in a complex and dynamic HTB hierarchy. > > > Hate to say it but maybe module parameter to htb would be an alternative if you have to deal with that.