From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Cochran Subject: Re: [Intel-wired-lan] [RFC v2 net-next 01/10] net: Add a new socket option for a future transmit time. Date: Tue, 23 Jan 2018 19:04:36 -0800 Message-ID: <20180124030436.sukodrg2t3ckazu6@localhost> References: <20180117230621.26074-1-jesus.sanchez-palencia@intel.com> <20180117230621.26074-2-jesus.sanchez-palencia@intel.com> <20180118084227.GL1175@localhost> <877es81d9e.fsf@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Miroslav Lichvar , Jesus Sanchez-Palencia , netdev@vger.kernel.org, john.stultz@linaro.org, Richard Cochran , jiri@resnulli.us, ivan.briano@intel.com, henrik@austad.us, jhs@mojatatu.com, levi.pearson@harman.com, intel-wired-lan@lists.osuosl.org, xiyou.wangcong@gmail.com, tglx@linutronix.de, anna-maria@linutronix.de To: Vinicius Costa Gomes Return-path: Received: from mail-pf0-f194.google.com ([209.85.192.194]:35552 "EHLO mail-pf0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752157AbeAXDEj (ORCPT ); Tue, 23 Jan 2018 22:04:39 -0500 Received: by mail-pf0-f194.google.com with SMTP id t12so1965380pfg.2 for ; Tue, 23 Jan 2018 19:04:39 -0800 (PST) Content-Disposition: inline In-Reply-To: <877es81d9e.fsf@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: On Tue, Jan 23, 2018 at 01:22:37PM -0800, Vinicius Costa Gomes wrote: > What I think would be the ideal scenario would be if the clockid > parameter to the TBS Qdisc would not be necessary (if offload was > enabled), but that's not quite possible right now, because there's no > support for using the hrtimer infrastructure with dynamic clocks > (/dev/ptp*). We don't need hrtimer for HW offloading. Just enqueue the packets. I thought we agreed that user space get the ordering correct. In fact, davem insisted on it, IIRC. Thanks, Richard