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Date:   Tue, 2 Nov 2021 17:38:40 -0700
From:   Jakub Kicinski <kuba@kernel.org>
To:     Grygorii Strashko <grygorii.strashko@ti.com>
Cc:     "David S. Miller" <davem@davemloft.net>, <netdev@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>,
        Kishon Vijay Abraham I <kishon@ti.com>,
        Vignesh Raghavendra <vigneshr@ti.com>,
        <linux-omap@vger.kernel.org>, Tony Lindgren <tony@atomide.com>,
        Andrew Lunn <andrew@lunn.ch>,
        Vladimir Oltean <vladimir.oltean@nxp.com>
Subject: Re: [PATCH net-next v2 2/3] net: ethernet: ti: am65-cpsw: enable
 bc/mc storm prevention support
Message-ID: <20211102173840.01f464ec@kicinski-fedora-PC1C0HJN>
In-Reply-To: <20211101170122.19160-3-grygorii.strashko@ti.com>
References: <20211101170122.19160-1-grygorii.strashko@ti.com>
        <20211101170122.19160-3-grygorii.strashko@ti.com>
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On Mon, 1 Nov 2021 19:01:21 +0200 Grygorii Strashko wrote:
>  - 01:00:00:00:00:00 fixed value has to be used for MC packets rate
>    limiting (exact match)

This looks like a stretch, why not use a mask? You can require users to
always install both BC and MC rules if you want to make sure the masked
rule does not match BC.