From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sender4-of-o52.zoho.com (sender4-of-o52.zoho.com [136.143.188.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 910EB275B0D for ; Fri, 8 Aug 2025 12:11:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.52 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754655079; cv=pass; b=URoeNcvoJrdtTLH8bDNFVppezhtxrSkeN9qomCDDiFKsNhuvHcbblLWO4v5M2+K/bgsNIzvZ18/lJR3RHio6iAFTJ2HnqU13/DfcNcgQXA8YMzgB1XUwPpn0ajnSgX8rMzR6GV83pPL3fcufAe9wBq4DyquAN2EKWX72t+nq7po= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754655079; c=relaxed/simple; bh=kFNdj7zsofbq4xqsJGF+WhNPUU6uRG3Ad84WahwFgYk=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=BMetLDU64TGUbj2/gy+Vgs4QtXo+9hVGfnHIVvq8jL2Wqva+BzMrhag7phIsVE3RLa6nzrmyBVND4XT8Jxd9cimWs4FP7VcPENeI1/UeO5ghOFKOrvM15/WN3a6l3JMJ2K9lI22REmjnXyd61W1Lke85iG1wvpXeOVOnbdMUSro= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=machnikowski.net; spf=pass smtp.mailfrom=machnikowski.net; dkim=pass (2048-bit key) header.d=machnikowski.net header.i=maciek@machnikowski.net header.b=dZZfc0PL; arc=pass smtp.client-ip=136.143.188.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=machnikowski.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=machnikowski.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=machnikowski.net header.i=maciek@machnikowski.net header.b="dZZfc0PL" ARC-Seal: i=1; a=rsa-sha256; t=1754655027; cv=none; d=zohomail.com; s=zohoarc; b=Q3d+nrl3B1mHKjEuK6JqO+MrcLeYXLHzGAgpN1yv6E64JnVgoMx0Xl4INfybZAZyU8KAZMRjsEVKVhVTeXYrbADvS0foLUm8mHh+GNk76YUQmRIN2qD7nhuZu7Y6YJxe1rmYJkK0uE/6C2wabM86UvqO7JqHSRun27PKTGB2qjw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1754655027; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=fURTIr4AGdhw8D8qa3WbrFc09ZmCpIV3CYwifJ9V2sE=; b=WIe0jWueD/fKI1qO0f/R7n3ODDmyA8KYIa7L2M3S877RRzIOkKdOVdcdxxY8msAMkibnT4VedyeRdKjW37yQ18sY+DfL9GMoqt05z5hyVYCBthMOg8T4W4Jio2cjswvO6F8V5VwOHDrbULgDbAtWMv4ZxlHxCER1QasXdE7heFs= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=machnikowski.net; spf=pass smtp.mailfrom=maciek@machnikowski.net; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1754655027; s=zoho; d=machnikowski.net; i=maciek@machnikowski.net; h=Message-ID:Date:Date:MIME-Version:Subject:Subject:To:To:Cc:Cc:References:From:From:In-Reply-To:Content-Type:Content-Transfer-Encoding:Message-Id:Reply-To; bh=fURTIr4AGdhw8D8qa3WbrFc09ZmCpIV3CYwifJ9V2sE=; b=dZZfc0PLr3/XOd0EjAMyo12vGlKqLRh62saTF9ZjPPK5/4Puo2plM8eZpyUpe2bx x7vgY5GNms2vvWMQl7gwodpD2WWZdvvKqTUFZWuuo1P7Id52TIBXhpiQJOZq6butvb4 kTztgwhI14zmEZ9J4Ct2XB3KglBJiz9xvjauhLfQppJ5yMjjcCg/FBZy+CduN4cc5pZ KdrAbXsVzi3Vt4kumxc5wzUtz9jZaH/F5pHqi9QQJodmI4x6Tm564G8YYHrYoVzPnJs suH0GxD6IXjmDIbd13CSuNX46vqWwFQUDPcQQx6azzrkV5rJZgjXHipIwV21xIX5yWw SAECTnpQIQ== Received: by mx.zohomail.com with SMTPS id 1754655024162304.97716570204375; Fri, 8 Aug 2025 05:10:24 -0700 (PDT) Message-ID: Date: Fri, 8 Aug 2025 14:10:19 +0200 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH net-next] ptp: Introduce PTP_SYS_OFFSET_EXTENDED_TRUSTED ioctl To: Richard Cochran , David Woodhouse Cc: David Arinzon , David Miller , Jakub Kicinski , Eric Dumazet , Paolo Abeni , "Woodhouse, David" , Andrew Lunn , Miroslav Lichvar , Thomas Gleixner , netdev@vger.kernel.org, "Machulsky, Zorik" , "Matushevsky, Alexander" , Saeed Bshara , "Wilson, Matt" , "Liguori, Anthony" , "Bshara, Nafea" , "Schmeilin, Evgeny" , "Belgazal, Netanel" , "Saidi, Ali" , "Herrenschmidt, Benjamin" , "Kiyanovski, Arthur" , "Dagan, Noam" , "Bernstein, Amit" , "Ostrovsky, Evgeny" , "Tabachnik, Ofir" , Julien Ridoux , Josh Levinson References: <20250724115657.150-1-darinzon@amazon.com> <3f722a52642dc42ad8d5e23ab06c14050d7bf8a6.camel@infradead.org> Content-Language: en-US From: Maciek Machnikowski In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ZohoMailClient: External On 7/29/2025 5:55 AM, Richard Cochran wrote: > On Fri, Jul 25, 2025 at 11:25:24AM +0200, David Woodhouse wrote: >> The vmclock enlightenment also exposes the same information. >> >> David, your RFC should probably have included that implementation >> shouldn't it? > > Yes, a patch series with the new ioctl and two drivers that implement > it would be more compelling. > > Thanks, > Richard > > > Wouldn't it be more useful if it came with the API to set these values? This way a clock could be controlled by ptp4l and the set the clock quality parameters and other apps could get it from there. Thanks, Maciek