netdev - Re: [PATCH V7 net-next 02/11] net/mlx5: Implement cqe_compress

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Message-ID: <efj4hbhm5ek2vtvu6ssohprswedljy3d527myi3vgc6mhvntau@w6t4ewo7zuiy>
Date: Wed, 22 Oct 2025 13:42:39 +0000
From: Dragos Tatulea <dtatulea@...dia.com>
To: Tariq Toukan <ttoukan.linux@...il.com>, 
	Daniel Zahka <daniel.zahka@...il.com>, Saeed Mahameed <saeed@...nel.org>, 
	"David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, 
	Paolo Abeni <pabeni@...hat.com>, Eric Dumazet <edumazet@...gle.com>
Cc: 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>, 
	Jacob Keller <jacob.e.keller@...el.com>, Simon Horman <horms@...nel.org>
Subject: Re: [PATCH V7 net-next 02/11] net/mlx5: Implement cqe_compress_type
 via devlink params

On Mon, Oct 20, 2025 at 08:24:19AM +0300, Tariq Toukan wrote:
> On 18/10/2025 0:54, Daniel Zahka wrote:
> > On 10/17/25 5:51 PM, Daniel Zahka wrote:
> > > 
> > > 
[...]
> > > 
> > > Hello,
> > > 
> > > I'm facing some issues when trying to use the devlink param
> > > introduced in this patch. I have a multihost system with two hosts
> > > per CX7.
> > > 
> > > My NIC is:
> > > $ lshw -C net
> > >   *-network
> > >        description: Ethernet interface
> > >        product: MT2910 Family [ConnectX-7]
> > >        vendor: Mellanox Technologies
> > > 
> > > My fw version is: 28.43.1014
> > >
[...]
> > 
> > Sorry, I should have mentioned my kernel version. It is a vanilla net-
> > next kernel from:
> > 1c51450f1aff ("tcp: better handle TCP_TX_DELAY on established flows")
> > 
> 
> Hi Daniel,
> 
> Thanks for your report.
> We'll look into it and reply shortly.
> 
Thanks for the report Daniel. It seems that this was a bug in the FW
which was fixed. I was able to reproduce the issue on the above
mentioned version but not on a newer one.

Could you update the FW and check it on your end as well?

Thanks,
Dragos