linux-kernel - Re: [PATCH net-next v4 6/8] net: mscc: ocelot: Add support for MRP

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Message-ID: <20210217115106.dgyn6c52xe4rvrsi@skbuf>
Date:   Wed, 17 Feb 2021 11:51:07 +0000
From:   Vladimir Oltean <vladimir.oltean@....com>
To:     Horatiu Vultur <horatiu.vultur@...rochip.com>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "jiri@...nulli.us" <jiri@...nulli.us>,
        "ivecera@...hat.com" <ivecera@...hat.com>,
        "nikolay@...dia.com" <nikolay@...dia.com>,
        "roopa@...dia.com" <roopa@...dia.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        "alexandre.belloni@...tlin.com" <alexandre.belloni@...tlin.com>,
        "UNGLinuxDriver@...rochip.com" <UNGLinuxDriver@...rochip.com>,
        "andrew@...n.ch" <andrew@...n.ch>,
        "vivien.didelot@...il.com" <vivien.didelot@...il.com>,
        "f.fainelli@...il.com" <f.fainelli@...il.com>,
        "rasmus.villemoes@...vas.dk" <rasmus.villemoes@...vas.dk>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "bridge@...ts.linux-foundation.org" 
        <bridge@...ts.linux-foundation.org>
Subject: Re: [PATCH net-next v4 6/8] net: mscc: ocelot: Add support for MRP

On Tue, Feb 16, 2021 at 10:42:03PM +0100, Horatiu Vultur wrote:
> +static inline void ocelot_xfh_get_cpuq(void *extraction, u64 *cpuq)
> +{
> +	packing(extraction, cpuq, 28, 20, OCELOT_TAG_LEN, UNPACK, 0);
> +}
> +

The 8 bits I count for CPUQ are from 27 to 20.
This is spilling over into LRN_FLAGS.