netdev - Re: [net-next PATCH 2/3] octeontx2-pf: Add devlink param to vary cqe size

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Message-ID: <20211005181157.6af1e3e4@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Tue, 5 Oct 2021 18:11:57 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Subbaraya Sundeep <sbhatta@...vell.com>
Cc:     <davem@...emloft.net>, <netdev@...r.kernel.org>,
        <sgoutham@...vell.com>, <hkelam@...vell.com>, <gakula@...vell.com>
Subject: Re: [net-next PATCH 2/3] octeontx2-pf: Add devlink param to vary
 cqe size

On Tue, 5 Oct 2021 22:45:35 +0530 Subbaraya Sundeep wrote:
> Completion Queue Entry(CQE) is a descriptor written
> by hardware to notify software about the send and
> receive completion status. The CQE can be of size
> 128 or 512 bytes. A 512 bytes CQE can hold more receive
> fragments pointers compared to 128 bytes CQE. This
> patch adds devlink param to change CQE descriptor
> size.

nak, this belongs in ethtool -g