From: Simon Horman <horms@kernel.org>
To: Tariq Toukan <tariqt@nvidia.com>
Cc: Saeed Mahameed <saeedm@nvidia.com>,
Leon Romanovsky <leon@kernel.org>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Mark Bloch <mbloch@nvidia.com>,
Sabrina Dubroca <sd@queasysnail.net>,
netdev@vger.kernel.org, linux-rdma@vger.kernel.org,
linux-kernel@vger.kernel.org, Gal Pressman <gal@nvidia.com>,
Dragos Tatulea <dtatulea@nvidia.com>,
Carolina Jubran <cjubran@nvidia.com>,
Jianbo Liu <jianbol@nvidia.com>
Subject: Re: [PATCH mlx5-next 3/3] net/mlx5e: Prevent WQE metadata conflicts between timestamping and offloads
Date: Mon, 15 Sep 2025 20:14:42 +0100 [thread overview]
Message-ID: <20250915191442.GB322881@horms.kernel.org> (raw)
In-Reply-To: <1757574619-604874-4-git-send-email-tariqt@nvidia.com>
On Thu, Sep 11, 2025 at 10:10:19AM +0300, Tariq Toukan wrote:
> From: Carolina Jubran <cjubran@nvidia.com>
>
> Update the WQE metadata assignment to avoid overriding existing
> metadata when setting the sysport timestamp ID. Since timestamp IDs are
> limited to 256 values, they use only the lower 8 bits of the metadata
> field.
>
> To avoid conflicts, move IPsec and MACsec metadata ID to bits 8 and 9,
> and shift the MACsec fs_id accordingly. This ensures safe coexistence
> of timestamping and offload features that use the same metadata field.
>
> Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
> Reviewed-by: Jianbo Liu <jianbol@nvidia.com>
> Reviewed-by: Patrisious Haddad <phaddad@nvidia.com>
> Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
> Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
next prev parent reply other threads:[~2025-09-15 19:14 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-11 7:10 [PATCH mlx5-next 0/3] mlx5-next updates 2025-09-11 Tariq Toukan
2025-09-11 7:10 ` [PATCH mlx5-next 1/3] net/mlx5: Remove VLAN insertion fields from WQE Ether segment Tariq Toukan
2025-09-15 19:14 ` Simon Horman
2025-09-11 7:10 ` [PATCH mlx5-next 2/3] net/mlx5: Refactor MACsec WQE metadata shifts Tariq Toukan
2025-09-12 15:49 ` Simon Horman
2025-09-15 6:23 ` Carolina Jubran
2025-09-15 19:13 ` Simon Horman
2025-09-11 7:10 ` [PATCH mlx5-next 3/3] net/mlx5e: Prevent WQE metadata conflicts between timestamping and offloads Tariq Toukan
2025-09-15 19:14 ` Simon Horman [this message]
2025-09-17 8:42 ` [PATCH mlx5-next 0/3] mlx5-next updates 2025-09-11 Leon Romanovsky
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