netdev - Re: [PATCH net-next V6 02/13] net/mlx5: Implement cqe_compress

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Message-ID: <20250710151657.5221ffcb@kernel.org>
Date: Thu, 10 Jul 2025 15:16:57 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Saeed Mahameed <saeed@...nel.org>
Cc: "David S. Miller" <davem@...emloft.net>, Paolo Abeni
 <pabeni@...hat.com>, Eric Dumazet <edumazet@...gle.com>, Saeed Mahameed
 <saeedm@...dia.com>, netdev@...r.kernel.org, Tariq Toukan
 <tariqt@...dia.com>, Gal Pressman <gal@...dia.com>, Leon Romanovsky
 <leonro@...dia.com>, Jiri Pirko <jiri@...dia.com>, Simon Horman
 <horms@...nel.org>
Subject: Re: [PATCH net-next V6 02/13] net/mlx5: Implement cqe_compress_type
 via devlink params

On Wed, 9 Jul 2025 22:44:48 -0700 Saeed Mahameed wrote:
> >You already have a rx_cqe_compress ethtool priv flag.
> >Why is this needed and how it differs.
> >Is it just the default value for the ethtool setting?  
> 
> cqe compression can be enabled or disabled per queue,
> the priv flag is to enable/disable it on the netdev queues.
> 
> This permanent devlink parameter selects the internal ASIC
> mechanism/algorithm for compression which is global for
> all the queues that enable compression.

makes sense, please extend the docs..