From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Cochran Subject: Re: [net-next 01/14] clarify implementation of ethtool's get_ts_info op Date: Fri, 17 Jul 2015 21:17:40 +0200 Message-ID: <20150717191740.GA19016@localhost.localdomain> References: <1437143123-5031-1-git-send-email-jeffrey.t.kirsher@intel.com> <1437143123-5031-2-git-send-email-jeffrey.t.kirsher@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: davem@davemloft.net, Jacob Keller , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, jogreene@redhat.com To: Jeff Kirsher Return-path: Received: from mail-wi0-f170.google.com ([209.85.212.170]:38727 "EHLO mail-wi0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752216AbbGQTRq (ORCPT ); Fri, 17 Jul 2015 15:17:46 -0400 Received: by wicmv11 with SMTP id mv11so50283859wic.1 for ; Fri, 17 Jul 2015 12:17:45 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1437143123-5031-2-git-send-email-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: On Fri, Jul 17, 2015 at 07:25:10AM -0700, Jeff Kirsher wrote: > From: Jacob Keller > > This patch adds some clarification about the intended way to implement > both SIOCSHWTSTAMP and ethtool's get_ts_info. The HWTSTAMP API has > several Rx filters which are very specific, as well as more general > filters. The specific filters really only exist to support some broken > hardware which can't fully implement the generic filters. This patch > adds clarification that it is okay to support the specific filters in > SIOCSHWTSTAMP by upscaling them to the generic filters. In addition, > update the header for ethtool_ts_info to specify that drivers ought to > only report the filters they support without upscaling in this manner. Acked-by: Richard Cochran (for this patch and the other get_ts_info patches)