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Message-ID: <20240411114623.GI514426@kernel.org>
Date: Thu, 11 Apr 2024 12:46:23 +0100
From: Simon Horman <horms@...nel.org>
To: Oleksij Rempel <o.rempel@...gutronix.de>
Cc: "David S. Miller" <davem@...emloft.net>, Andrew Lunn <andrew@...n.ch>,
	Eric Dumazet <edumazet@...gle.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Vladimir Oltean <olteanv@...il.com>,
	Woojung Huh <woojung.huh@...rochip.com>,
	Arun Ramadoss <arun.ramadoss@...rochip.com>, kernel@...gutronix.de,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	UNGLinuxDriver@...rochip.com, David Ahern <dsahern@...nel.org>,
	Willem de Bruijn <willemb@...gle.com>,
	Søren Andersen <san@...v.dk>
Subject: Re: [PATCH net-next v6 3/9] net: add IEEE 802.1q specific helpers

On Wed, Apr 10, 2024 at 10:05:50AM +0200, Oleksij Rempel wrote:
> IEEE 802.1q specification provides recommendation and examples which can
> be used as good default values for different drivers.
> 
> This patch implements mapping examples documented in IEEE 802.1Q-2022 in
> Annex I "I.3 Traffic type to traffic class mapping" and IETF DSCP naming
> and mapping DSCP to Traffic Type inspired by RFC8325.
> 
> This helpers will be used in followup patches for dsa/microchip DCB
> implementation.
> 
> Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>

..

> diff --git a/include/net/ieee8021q.h b/include/net/ieee8021q.h
> new file mode 100644
> index 0000000000000..3bec7ec951362
> --- /dev/null
> +++ b/include/net/ieee8021q.h
> @@ -0,0 +1,55 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/* Copyright (c) 2024 Pengutronix, Oleksij Rempel <kernel@...gutronix.de> */
> +
> +#ifndef _NET_IEEE8021Q_H
> +#define _NET_IEEE8021Q_H
> +
> +#include <linux/errno.h>
> +
> +/**
> + * enum ieee8021q_traffic_type - 802.1Q traffic type priority values (802.1Q-2022)
> + *
> + * @IEEE8021Q_TT_BK: Background
> + * @IEEE8021Q_TT_BE: Best Effort (default). According to 802.1Q-2022, BE is 0
> + * but has higher priority than BK which is 1.
> + * @IEEE8021Q_TT_EE: Excellent Effort
> + * @IEEE8021Q_TT_CA: Critical Applications
> + * @IEEE8021Q_TT_VI: Video, < 100 ms latency and jitter
> + * @IEEE8021Q_TT_VO: Voice, < 10 ms latency and jitter
> + * @IEEE8021Q_TT_IC: Internetwork Control
> + * @IEEE8021Q_TT_NC: Network Control
> + */
> +enum ieee8021q_traffic_type {
> +	IEEE8021Q_TT_BK = 0,
> +	IEEE8021Q_TT_BE = 1,
> +	IEEE8021Q_TT_EE = 2,
> +	IEEE8021Q_TT_CA = 3,
> +	IEEE8021Q_TT_VI = 4,
> +	IEEE8021Q_TT_VO = 5,
> +	IEEE8021Q_TT_IC = 6,
> +	IEEE8021Q_TT_NC = 7,
> +

Hi Oleksij,

I think the following line should go here to keep ./scripts/kernel-doc -none
happy:

	/* private: */

> +	IEEE8021Q_TT_MAX,
> +};

..

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