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From: Jakub Kicinski <kuba@kernel.org>
To: Gal Pressman <gal@nvidia.com>
Cc: Tariq Toukan <tariqt@nvidia.com>,
	Eric Dumazet <edumazet@google.com>,
	Paolo Abeni <pabeni@redhat.com>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	"David S. Miller" <davem@davemloft.net>,
	Saeed Mahameed <saeedm@nvidia.com>,
	Mark Bloch <mbloch@nvidia.com>, Leon Romanovsky <leon@kernel.org>,
	netdev@vger.kernel.org, linux-rdma@vger.kernel.org,
	linux-kernel@vger.kernel.org, Moshe Shemesh <moshe@nvidia.com>,
	Dragos Tatulea <dtatulea@nvidia.com>
Subject: Re: [PATCH net-next V2 3/5] net/mlx5e: Report TX csum netdev stats
Date: Thu, 12 Mar 2026 07:22:26 -0700	[thread overview]
Message-ID: <20260312072226.7d77b38e@kernel.org> (raw)
In-Reply-To: <ec3a32e5-f866-4cb8-bbef-1bce699c461b@nvidia.com>

On Thu, 12 Mar 2026 11:50:10 +0200 Gal Pressman wrote:
> > Looking at drivers currently implementing this it seems like the idea
> > was to avoid having to increment two counters in the drivers, given
> > that TSO always implies csum offload  
> 
> I don't think I understand what you're trying to say here.

The existing drivers seem to do something like:

	tx->needs_csum += just_csum + tso_segs;

IOW for packets that need tso/uso they don't increment any csum stat 
on the fastpath.

  reply	other threads:[~2026-03-12 14:22 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-09  9:55 [PATCH net-next V2 0/5] net/mlx5e: Report more netdev stats Tariq Toukan
2026-03-09  9:55 ` [PATCH net-next V2 1/5] net/mlx5e: Report hw_gso_packets and hw_gso_bytes " Tariq Toukan
2026-03-11  3:12   ` Jakub Kicinski
2026-03-12  9:49     ` Gal Pressman
2026-03-09  9:55 ` [PATCH net-next V2 2/5] net/mlx5e: Report RX HW-GRO " Tariq Toukan
2026-03-11  3:14   ` Jakub Kicinski
2026-03-09  9:55 ` [PATCH net-next V2 3/5] net/mlx5e: Report TX csum " Tariq Toukan
2026-03-11  3:18   ` Jakub Kicinski
2026-03-12  9:50     ` Gal Pressman
2026-03-12 14:22       ` Jakub Kicinski [this message]
2026-03-09  9:55 ` [PATCH net-next V2 4/5] net/mlx5e: Report RX " Tariq Toukan
2026-03-11  3:20   ` Jakub Kicinski
2026-03-12  9:50     ` Gal Pressman
2026-03-09  9:55 ` [PATCH net-next V2 5/5] net/mlx5e: Report stop and wake TX queue stats Tariq Toukan
2026-03-10 17:38 ` [PATCH net-next V2 0/5] net/mlx5e: Report more netdev stats Simon Horman

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