Date: Fri, 29 Mar 2024 15:01:16 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Chintan Vankar <c-vankar@...com>
Cc: Dan Carpenter <dan.carpenter@...aro.org>, Siddharth Vadapalli
 <s-vadapalli@...com>, Grygorii Strashko <grygorii.strashko@...com>, "Heiner
 Kallweit" <hkallweit1@...il.com>, Vladimir Oltean
 <vladimir.oltean@....com>, Andrew Lunn <andrew@...n.ch>, Roger Quadros
 <rogerq@...nel.org>, Richard Cochran <richardcochran@...il.com>, Paolo
 Abeni <pabeni@...hat.com>, Eric Dumazet <edumazet@...gle.com>, "David S.
 Miller" <davem@...emloft.net>, <linux-kernel@...r.kernel.org>,
 <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next v4 1/3] net: ethernet: ti: am65-cpts: Enable
 PTP RX HW timestamp using CPTS FIFO

On Wed, 27 Mar 2024 11:12:32 +0530 Chintan Vankar wrote:
> CPTS module supports capturing timestamp for every packet it receives,
> add a new function named "am65_cpts_find_rx_ts()" to get the timestamp
> of received packets from CPTS FIFO.
> 
> Add another function named "am65_cpts_rx_timestamp()" which internally
> calls "am65_cpts_find_rx_ts()" function and timestamps the received
> PTP packets.

Maybe i'm unusually tied today but reading this patch without reading
the next one makes no sense. I mean, you say:

  CPTS module supports capturing timestamp for every packet it
  receives...

How is that relevant here.

When you post v5 please make sure to include a cover letter, explaining
the overall goal and impact of the series.

> +			list_del_init(&event->list);
> +			list_add(&event->list, &cpts->pool);

list_move() ?
-- 
pw-bot: cr

X-sender: <netdev+bounces-83471-steffen.klassert=secunet.com@...r.kernel.org>
X-Receiver: <steffen.klassert@...unet.com> ORCPT=rfc822;steffen.klassert@...unet.com
X-CreatedBy: MSExchange15
X-HeloDomain: mbx-dresden-01.secunet.de
X-ExtendedProps: BQBjAAoAbUimlidQ3AgFADcAAgAADwA8AAAATWljcm9zb2Z0LkV4Y2hhbmdlLlRyYW5zcG9ydC5NYWlsUmVjaXBpZW50Lk9yZ2FuaXphdGlvblNjb3BlEQAAAAAAAAAAAAAAAAAAAAAADwA/AAAATWljcm9zb2Z0LkV4Y2hhbmdlLlRyYW5zcG9ydC5EaXJlY3RvcnlEYXRhLk1haWxEZWxpdmVyeVByaW9yaXR5DwADAAAATG93
X-Source: SMTP:Default MBX-ESSEN-02
X-SourceIPAddress: 10.53.40.199
X-EndOfInjectedXHeaders: 7986
Received: from mbx-dresden-01.secunet.de (10.53.40.199) by
 mbx-essen-02.secunet.de (10.53.40.198) with Microsoft SMTP Server
 (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id
 15.1.2507.37; Fri, 29 Mar 2024 23:01:39 +0100
Received: from b.mx.secunet.com (62.96.220.37) by cas-essen-02.secunet.de
 (10.53.40.202) with Microsoft SMTP Server (version=TLS1_2,
 cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35 via Frontend
 Transport; Fri, 29 Mar 2024 23:01:39 +0100
Received: from localhost (localhost [127.0.0.1])
	by b.mx.secunet.com (Postfix) with ESMTP id EDC9F20270
	for <steffen.klassert@...unet.com>; Fri, 29 Mar 2024 23:01:38 +0100 (CET)
X-Virus-Scanned: by secunet
X-Spam-Flag: NO
X-Spam-Score: -5.399
X-Spam-Level:
X-Spam-Status: No, score=-5.399 tagged_above=-999 required=2.1
	tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.099, DKIM_SIGNED=0.1,
	DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, MAILING_LIST_MULTI=-1,
	RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001]
	autolearn=unavailable autolearn_force=no
Authentication-Results: a.mx.secunet.com (amavisd-new);
	dkim=pass (2048-bit key) header.d=kernel.org
Received: from b.mx.secunet.com ([127.0.0.1])
	by localhost (a.mx.secunet.com [127.0.0.1]) (amavisd-new, port 10024)
	with ESMTP id jx_sz2HJRNgx for <steffen.klassert@...unet.com>;
	Fri, 29 Mar 2024 23:01:38 +0100 (CET)
Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=147.75.199.223; helo=ny.mirrors.kernel.org; envelope-from=netdev+bounces-83471-steffen.klassert=secunet.com@...r.kernel.org; receiver=steffen.klassert@...unet.com 
DKIM-Filter: OpenDKIM Filter v2.11.0 b.mx.secunet.com 4C0D5200BB
Authentication-Results: b.mx.secunet.com;
	dkim=pass (2048-bit key) header.d=kernel.org header.i=@...nel.org header.b="HCDVp1+6"
Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org [147.75.199.223])
	(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
	(No client certificate requested)
	by b.mx.secunet.com (Postfix) with ESMTPS id 4C0D5200BB
	for <steffen.klassert@...unet.com>; Fri, 29 Mar 2024 23:01:38 +0100 (CET)
Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140])
	(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
	(No client certificate requested)
	by ny.mirrors.kernel.org (Postfix) with ESMTPS id 6FDB61C213B2
	for <steffen.klassert@...unet.com>; Fri, 29 Mar 2024 22:01:37 +0000 (UTC)
Received: from localhost.localdomain (localhost.localdomain [127.0.0.1])
	by smtp.subspace.kernel.org (Postfix) with ESMTP id F1AB513D257;
	Fri, 29 Mar 2024 22:01:18 +0000 (UTC)
Authentication-Results: smtp.subspace.kernel.org;
	dkim=pass (2048-bit key) header.d=kernel.org header.i=@...nel.org header.b="HCDVp1+6"
X-Original-To: netdev@...r.kernel.org
Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201])
	(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 4EFDD13CF9A;
	Fri, 29 Mar 2024 22:01:18 +0000 (UTC)
Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201
ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;
	t=1711749678; cv=none; b=TOauJdfJGKU0duUd8J4pHoHhAwsXcDn6HiMRRbIxMC8w4F8N/R6CuN8UW0dSXad7zTr71uirgCxvjz3p8yWCCy8Lua4blaGweObu3zF4POrf+k9u15OLletc265FFN5y6QWVgkTghnrO2lA7BPEgSHApf/YoTu1URgNAYZ6V86c=
ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org;
	s=arc-20240116; t=1711749678; c=relaxed/simple;
	bh=nq/FsIJaEug5d9vw9MG+IgQd5liVDY8TkXYaFDuOCdo=;
	h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References:
	 MIME-Version:Content-Type; b=Y0voKxc3wu4aN9dqdlqCvCcRErWY477ia2U3s+zapOl4w1ETHJYUStVobjEYNexg0unHlP7Tb6mRFUmIC7L9k9Abt8vOwswUXlovEv/RYRNqCZh58Etm9FyIYE6rOXh15uvgsy9g+fHu21flV2ooGENu10WR0Qfm9Eo1N8RV3k8=
ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@...nel.org header.b=HCDVp1+6; arc=none smtp.client-ip=10.30.226.201
Received: by smtp.kernel.org (Postfix) with ESMTPSA id 53666C433C7;
	Fri, 29 Mar 2024 22:01:17 +0000 (UTC)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;
	s=k20201202; t=1711749677;
	bh=nq/FsIJaEug5d9vw9MG+IgQd5liVDY8TkXYaFDuOCdo=;
	h=Date:From:To:Cc:Subject:In-Reply-To:References:From;
	b=HCDVp1+6GYWN8GFmGWMO5xXfiuZa6bY/GlLwKiqaSa1TLzIxcYJihxRE0e5VLztHR
	 5zX4huDJPpeCfgrjlALPODEyY9ok6t6XZyC94u9P4uGbsdD+Vf7/goAP4qAxHkI24l
	 Vp+Ec9ugCQi0u85nWx6u6+59B7MSXHvK7H7/fZ+H3lv3tvBPDnMR4RgmsEhvVyxon1
	 xplQn51eQjcegvhK7Sath6j4gOuf2pbrolfo17ILhabO8CfloJKPB+aXedyLdVRpG7
	 sAjIkjQeyiL63kut8QYGl9CThsDY1mDSdXu6r8nXPwWsINSIlXd0gVG41OCygsqiwZ
	 FdtrYL4sDV2IA==
Date: Fri, 29 Mar 2024 15:01:16 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Chintan Vankar <c-vankar@...com>
Cc: Dan Carpenter <dan.carpenter@...aro.org>, Siddharth Vadapalli
 <s-vadapalli@...com>, Grygorii Strashko <grygorii.strashko@...com>, "Heiner
 Kallweit" <hkallweit1@...il.com>, Vladimir Oltean
 <vladimir.oltean@....com>, Andrew Lunn <andrew@...n.ch>, Roger Quadros
 <rogerq@...nel.org>, Richard Cochran <richardcochran@...il.com>, Paolo
 Abeni <pabeni@...hat.com>, Eric Dumazet <edumazet@...gle.com>, "David S.
 Miller" <davem@...emloft.net>, <linux-kernel@...r.kernel.org>,
 <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next v4 1/3] net: ethernet: ti: am65-cpts: Enable
 PTP RX HW timestamp using CPTS FIFO
Message-ID: <20240329150116.67da2b07@...nel.org>
In-Reply-To: <20240327054234.1906957-1-c-vankar@...com>
References: <20240327054234.1906957-1-c-vankar@...com>
Precedence: bulk
X-Mailing-List: netdev@...r.kernel.org
List-Id: <netdev.vger.kernel.org>
List-Subscribe: <mailto:netdev+subscribe@...r.kernel.org>
List-Unsubscribe: <mailto:netdev+unsubscribe@...r.kernel.org>
MIME-Version: 1.0
Content-Type: text/plain; charset="US-ASCII"
Content-Transfer-Encoding: 7bit
Return-Path: netdev+bounces-83471-steffen.klassert=secunet.com@...r.kernel.org
X-MS-Exchange-Organization-OriginalArrivalTime: 29 Mar 2024 22:01:39.0073
 (UTC)
X-MS-Exchange-Organization-Network-Message-Id: c9b42338-c5a1-475a-4f3c-08dc503bcf3f
X-MS-Exchange-Organization-OriginalClientIPAddress: 62.96.220.37
X-MS-Exchange-Organization-OriginalServerIPAddress: 10.53.40.202
X-MS-Exchange-Organization-Cross-Premises-Headers-Processed: cas-essen-02.secunet.de
X-MS-Exchange-Organization-OrderedPrecisionLatencyInProgress: LSRV=cas-essen-02.secunet.de:TOTAL-FE=0.007|SMR=0.007(SMRPI=0.005(SMRPI-FrontendProxyAgent=0.005));2024-03-29T22:01:39.015Z
X-MS-Exchange-Forest-ArrivalHubServer: mbx-essen-02.secunet.de
X-MS-Exchange-Organization-AuthSource: cas-essen-02.secunet.de
X-MS-Exchange-Organization-AuthAs: Anonymous
X-MS-Exchange-Organization-OriginalSize: 7438
X-MS-Exchange-Organization-Transport-Properties: DeliveryPriority=Low
X-MS-Exchange-Organization-Prioritization: 2:ShadowRedundancy
X-MS-Exchange-Organization-IncludeInSla: False:ShadowRedundancy

On Wed, 27 Mar 2024 11:12:32 +0530 Chintan Vankar wrote:
> CPTS module supports capturing timestamp for every packet it receives,
> add a new function named "am65_cpts_find_rx_ts()" to get the timestamp
> of received packets from CPTS FIFO.
> 
> Add another function named "am65_cpts_rx_timestamp()" which internally
> calls "am65_cpts_find_rx_ts()" function and timestamps the received
> PTP packets.

Maybe i'm unusually tied today but reading this patch without reading
the next one makes no sense. I mean, you say:

  CPTS module supports capturing timestamp for every packet it
  receives...

How is that relevant here.

When you post v5 please make sure to include a cover letter, explaining
the overall goal and impact of the series.

> +			list_del_init(&event->list);
> +			list_add(&event->list, &cpts->pool);

list_move() ?
-- 
pw-bot: cr

Powered by blists - more mailing lists