From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6B3E9C433DF for ; Sun, 2 Aug 2020 15:13:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4A72020759 for ; Sun, 2 Aug 2020 15:13:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="p9QPQZS7" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726750AbgHBPNZ (ORCPT ); Sun, 2 Aug 2020 11:13:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44726 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726150AbgHBPNZ (ORCPT ); Sun, 2 Aug 2020 11:13:25 -0400 Received: from mail-pj1-x1041.google.com (mail-pj1-x1041.google.com [IPv6:2607:f8b0:4864:20::1041]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB379C06174A for ; Sun, 2 Aug 2020 08:13:24 -0700 (PDT) Received: by mail-pj1-x1041.google.com with SMTP id 2so875572pjx.5 for ; Sun, 02 Aug 2020 08:13:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=IZaMYz7lhUKFWKtqXtf/xZsCp842yF9PZPlQaVZlAgo=; b=p9QPQZS7dyb3uNVYri9NMgHyKie4TymlrLJ55vfRVcxC4T1BYO8O15AOeqwHWfKCs7 hKYJxtB+BraRfPYW6sj6U/Zg2r2u1SLIMSpefDh8EgMGGSEDw1WocjGrz3BeafLcYRJG toqcGsX6A1UfPoWylyOqcJtwW/5y5lpkKr+DZfNci3DVZm3TgYDYYrmR65Auu1w3ZpEE 0zrYLeu3nNdgAvE5cWipWYLSRs1G9LhgmEWqZnutH8EO56i3NaRTe1A129Hz3kPGATTp 0t6IFcXpp6yliC6+AhkcK3rNcMbBLqhUWc3YrpU0Y+zJHZWfRMbOsvXZcaeR0YFbHLnl +y7A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=IZaMYz7lhUKFWKtqXtf/xZsCp842yF9PZPlQaVZlAgo=; b=X+pOsRAeiAsle/VsRiXtusN/XD3TaML3z16s65bpfbN8wMTX5aIuWs7mJMzCAxbGYh 86qeI6qSG+Zfhv6zJG7wIr+5TpKFluauPZKLgE/Ox5B3FDcO80tRwTfY1vnBRAF7r+O/ iKzPrArY+3w1fI8PD6IbbnKJxfzQ95BwneafHTRDUZho9xi3z2p/+OmIqvavakCD9nE0 2zzAB7BF9Ht20nUao/oqbIS1Jea7YjQ6j+QVKDfB6Got4sd3GfFlPVCl/aE+lC4DiyAb c1pYidD1IHWRwuwCijI1pIPpycxwf0mezynK81nOg0wZmceyEoYcg8KO3yJLgxsiQ70H GN8A== X-Gm-Message-State: AOAM5306O2nDcAucXUsiCnfyn85hc11ENyqEjlDpRXsSbO1LGhX5nsAI huMPE4sNbBUXxp9Ptp4c/RQ= X-Google-Smtp-Source: ABdhPJy3Pnb3HUZVoBJUBk2K0s8dIP6BYaqGxOYinbdjreb8YOngiGGrslfqtsb7xhccztQFCWMimw== X-Received: by 2002:a17:902:7585:: with SMTP id j5mr11742449pll.168.1596381204495; Sun, 02 Aug 2020 08:13:24 -0700 (PDT) Received: from hoboy (c-73-241-114-122.hsd1.ca.comcast.net. [73.241.114.122]) by smtp.gmail.com with ESMTPSA id lx16sm16585038pjb.1.2020.08.02.08.13.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 02 Aug 2020 08:13:23 -0700 (PDT) Date: Sun, 2 Aug 2020 08:13:21 -0700 From: Richard Cochran To: Kurt Kanzenbach Cc: Andrew Lunn , Vivien Didelot , Florian Fainelli , "David S. Miller" , Jakub Kicinski , Jiri Pirko , Ido Schimmel , Heiner Kallweit , Russell King , Grygorii Strashko , Ivan Khoronzhuk , Samuel Zou , netdev@vger.kernel.org, Petr Machata , Russell King Subject: Re: [PATCH v3 1/9] ptp: Add generic ptp v2 header parsing function Message-ID: <20200802151321.GA14759@hoboy> References: <20200730080048.32553-1-kurt@linutronix.de> <20200730080048.32553-2-kurt@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200730080048.32553-2-kurt@linutronix.de> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, Jul 30, 2020 at 10:00:40AM +0200, Kurt Kanzenbach wrote: > Reason: A lot of the ptp drivers - which implement hardware time stamping - need > specific fields such as the sequence id from the ptp v2 header. Currently all > drivers implement that themselves. > > Introduce a generic function to retrieve a pointer to the start of the ptp v2 > header. > > Suggested-by: Russell King > Signed-off-by: Kurt Kanzenbach Reviewed-by: Richard Cochran