linux-kernel - Re: [net PATCH 1/3] octeontx2-af: Fix hash extraction mbox message

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Message-ID: <20230712221938.0ae4374e@kernel.org>
Date:   Wed, 12 Jul 2023 22:19:38 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Suman Ghosh <sumang@...vell.com>
Cc:     <sgoutham@...vell.com>, <gakula@...vell.com>,
        <sbhatta@...vell.com>, <hkelam@...vell.com>, <davem@...emloft.net>,
        <edumazet@...gle.com>, <pabeni@...hat.com>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [net PATCH 1/3] octeontx2-af: Fix hash extraction mbox message

On Wed, 12 Jul 2023 16:46:02 +0530 Suman Ghosh wrote:
> As of today, hash extraction mbox message response supports only the
> secret key. This patch adds support to extract both hash mask and hash
> control along with the secret key. These are needed to use hash
> reduction of 128 bit IPv6 address to 32 bit.

What are hash mask and hash control?

Why is this a fix and not a new feature / extension?