linux-kernel - Re: [net-next PATCH 0/9] CN10KB MAC block support

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Message-ID: <Y3E/o10wIZPMxPWa@lunn.ch>
Date:   Sun, 13 Nov 2022 20:04:03 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Hariprasad Kelam <hkelam@...vell.com>
Cc:     Jakub Kicinski <kuba@...nel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "pabeni@...hat.com" <pabeni@...hat.com>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        Sunil Kovvuri Goutham <sgoutham@...vell.com>,
        Linu Cherian <lcherian@...vell.com>,
        Geethasowjanya Akula <gakula@...vell.com>,
        Jerin Jacob Kollanukkaran <jerinj@...vell.com>,
        Subbaraya Sundeep Bhatta <sbhatta@...vell.com>
Subject: Re: [net-next PATCH 0/9] CN10KB MAC block support

> For  "Dropped packets by DMAC filters" did not find any equivalent APIs, so will keep it as is.

Nope. Propose a generic netlink API, probably as an extension to
ethtool, which other vendors can use as well.

This is exactly Jakub and my point. Is your hardware so special it
does things which no other vendor does? Is the concept of DMAC filters
dropping packets unique to your hardware? Is this feature so obscure
that no other vendor will ever implement it? And if it is that
obscure, is any user actually going to use it?

	Andrew