From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-178.mta1.migadu.com (out-178.mta1.migadu.com [95.215.58.178]) (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 A06051E522 for ; Sun, 9 Feb 2025 12:33:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.178 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739104410; cv=none; b=A8mReLL6gILiTCPYCDGvwsmcXP3QOYX/endJ2TEQONepox3ufbxE7Wxq8/YHf2mq3JvTYUgNuSJSFZfAeN+m7m3UjD5Xvd9FMtxfKV+GKkf+B8LK9U3zd9THBcPxE5vL0wuwFz2JJGajmZ+jIVeMj7XQVkQ+CgYNFx+jXermjus= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739104410; c=relaxed/simple; bh=A+wgcMVaIDGkfixJVkQvX0PeVRMtpzdwCfEl2Xoegyw=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=hveObdVJ8LaXgREm/7f7LT+kSyeXxfo1f7AKfimMWGQO6Yj5psER85w8qxX6KWMk6HdVbNvNc8E/KH3sHsybYUmr7JjWTkbOUm6//nmVLuwk8WD9Ll4M3TWXBzNUQqMTc69VmDigQRIDXkrn/kTRZPUPlRXPl14daD29aiNDRoo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=ue+b2MLR; arc=none smtp.client-ip=95.215.58.178 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="ue+b2MLR" Message-ID: <7bc5e34e-8be6-46a2-8262-7129fff5e2f3@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1739104406; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=FFczN+NeV30e/Hem1hNYdpuoU3uz9unVoiPgWRZFv8s=; b=ue+b2MLRaplF80rTO8sgQ9j5XcDIORLlO1DikFXQEN7eKcsYd0TE83RnZ+lzYAleQWZ6Ty DgAfAKOPWM/LncUteT8EaUx5stqXzo6uSeksWloJtkBiwB0JefpTJSPqlxZCZiI6WNeay+ yNA28H6gapSMFZUj9jIKA8pbPX/mDws= Date: Sun, 9 Feb 2025 12:33:24 +0000 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH v6 net-next 0/4] PHC support in ENA driver To: Jakub Kicinski , David Arinzon , "Machnikowski, Maciek" Cc: David Miller , netdev@vger.kernel.org, Eric Dumazet , Paolo Abeni , Simon Horman , Richard Cochran , "Woodhouse, David" , Rahul Rameshbabu , Gal Pressman References: <20250206141538.549-1-darinzon@amazon.com> <20250207165846.53e52bf7@kernel.org> Content-Language: en-US X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Vadim Fedorenko In-Reply-To: <20250207165846.53e52bf7@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT On 08/02/2025 00:58, Jakub Kicinski wrote: > On Thu, 6 Feb 2025 16:15:34 +0200 David Arinzon wrote: >> This patchset adds the support for PHC (PTP Hardware Clock) >> in the ENA driver. The documentation part of the patchset >> includes additional information, including statistics, >> utilization and invocation examples through the testptp >> utility. > > Vadim, Maciek, did you see this? Looks like the device has limitations > on number of gettime calls per sec. Could be a good fit for the work > you are prototyping? Hi Jakub! Yes, we have seen this patchset, and we were thinking of how to generalize error_bound property, which was removed from the latest version unfortunately. But it's a good point to look at it once again in terms of our prototype, thanks! Best, Vadim