linux-kernel - Re: [RFC v2 net-next 1/8] net: mscc: ocelot: add MAC table write and lookup operations

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Date:   Wed, 18 Aug 2021 14:05:19 +0000
From:   Vladimir Oltean <vladimir.oltean@....com>
To:     Xiaoliang Yang <xiaoliang.yang_1@....com>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "allan.nielsen@...rochip.com" <allan.nielsen@...rochip.com>,
        "joergen.andreasen@...rochip.com" <joergen.andreasen@...rochip.com>,
        "UNGLinuxDriver@...rochip.com" <UNGLinuxDriver@...rochip.com>,
        "vinicius.gomes@...el.com" <vinicius.gomes@...el.com>,
        "michael.chan@...adcom.com" <michael.chan@...adcom.com>,
        "vishal@...lsio.com" <vishal@...lsio.com>,
        "saeedm@...lanox.com" <saeedm@...lanox.com>,
        "jiri@...lanox.com" <jiri@...lanox.com>,
        "idosch@...lanox.com" <idosch@...lanox.com>,
        "alexandre.belloni@...tlin.com" <alexandre.belloni@...tlin.com>,
        "kuba@...nel.org" <kuba@...nel.org>, Po Liu <po.liu@....com>,
        Leo Li <leoyang.li@....com>
Subject: Re: [RFC v2 net-next 1/8] net: mscc: ocelot: add MAC table write and
 lookup operations

On Wed, Aug 18, 2021 at 02:19:15PM +0800, Xiaoliang Yang wrote:
> From: Vladimir Oltean <vladimir.oltean@....com>
> 
> ocelot_mact_write() can be used for directly modifying an FDB entry
> situated at a given row and column, as opposed to the current
> ocelot_mact_learn() which calculates the row and column indices
> automatically (based on a 11-bit hash derived from the {DMAC, VID} key).
> 
> ocelot_mact_lookup() can be used to retrieve the row and column at which
> an FDB entry with the given {DMAC, VID} key is found.
> 
> Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
> ---

This patch needs your Signed-off-by tag too.
And I think the functions need their prototype defined in a header too,
otherwise the compiler will complain that they are unused and that they
are non-static but also no previous prototype.