netdev - Re: [PATCH net-next 4/4] net: dsa: bcm_sf2: Configure IMP port TC2QOS mapping

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Date:   Sat, 2 Sep 2017 18:30:57 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     netdev@...r.kernel.org, davem@...emloft.net,
        vivien.didelot@...oirfairelinux.com, jiri@...nulli.us,
        jhs@...atatu.com, xiyou.wangcong@...il.com
Subject: Re: [PATCH net-next 4/4] net: dsa: bcm_sf2: Configure IMP port
 TC2QOS mapping

> @@ -129,6 +130,14 @@ static void bcm_sf2_imp_setup(struct dsa_switch *ds, int port)
>  	reg |= MII_DUMB_FWDG_EN;
>  	core_writel(priv, reg, CORE_SWITCH_CTRL);
>  
> +	/* Configure Traffic Class to QoS mapping, allow each priority to map
> +	 * to a different queue number
> +	 */
> +	reg = core_readl(priv, CORE_PORT_TC2_QOS_MAP_PORT(port));
> +	for (i = 0; i < 8; i++)
> +		reg |= i << (PRT_TO_QID_SHIFT * i);

Hi Florian

Rather than 8, would ds->num_tx_queues be more descriptive?

       Andrew