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[2620:137:e000::1:20]) by mx.google.com with ESMTP id t36-20020a056a0013a400b0052d1a02e317si1442685pfg.129.2022.08.04.09.08.15; Thu, 04 Aug 2022 09:08:30 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=L4CBv5As; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233238AbiHDQGL (ORCPT + 99 others); Thu, 4 Aug 2022 12:06:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58092 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229527AbiHDQGJ (ORCPT ); Thu, 4 Aug 2022 12:06:09 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4B5FE64F6; Thu, 4 Aug 2022 09:06:09 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id DB2656145D; Thu, 4 Aug 2022 16:06:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E6978C433C1; Thu, 4 Aug 2022 16:06:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1659629168; bh=yIBhe5VH/Mtc9UsxkvWfeuMI7NsYBSBH6YG9F3/NAjc=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=L4CBv5AssfXjZqYIFVgNxzAIjY7jYFfZw8S9OtNrpvalddVvilbAFPrLZA2vY6/4+ 1EJBparExiBcTS1KDZPdmOhDRcTNUkfNRKllg7K9UnjtP6+GMN+9Zy0S2D6L2sW8cB 5onDeb2jsUO2RlCfg9tXDJ8UFmGe0iz2a9uN5PwSVDeg9+bb/1IwNVmynVjdkF2pOA JpnNMnwHAOHg5AEym5exT7omBzs3O1FmidoIKzJKGwssKsUJabnS2p8YEo7uw6JWbD PMEOcOuWkNXmm3eruVplAwmgUWntbyZ0nYFoYb0+iJyVFZil1/we2rFKVbDv4xk+Dp yD5O6TTVfdQgA== Date: Thu, 4 Aug 2022 09:06:06 -0700 From: Jakub Kicinski To: Richard Cochran Cc: Naveen Mamindlapalli , davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, sgoutham@marvell.com Subject: Re: [net-next PATCH v2 0/4] Add PTP support for CN10K silicon Message-ID: <20220804090606.0c892e51@kernel.org> In-Reply-To: References: <20220730115758.16787-1-naveenm@marvell.com> <20220802121439.4d784f47@kernel.org> <20220802214420.10e3750f@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-7.7 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 3 Aug 2022 20:08:50 -0700 Richard Cochran wrote: > > Oh, well. These will have to wait until after the merge window then :( > > FWIW - I'm okay with any PTP patches that are about specific hardware > drivers. When I can, I'll review them for proper use of the core > layer, locking, etc, but at the end of the day, only the people > holding the data sheet know how to talk to the hardware. > > Patches that touch the core layer are another story. These need > careful review by me and other. (Obviously) I was hoping you could cast an eye over the 1-step implementation here. Giving the device a random time reference along the packet looks odd. Unfortunately I don't have much (any?) experience with 1-step myself so I can't trust my own judgment all that much.