From: Simon Horman <horms@kernel.org>
To: Tariq Toukan <tariqt@nvidia.com>
Cc: 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>,
Saeed Mahameed <saeedm@nvidia.com>,
Leon Romanovsky <leon@kernel.org>, Mark Bloch <mbloch@nvidia.com>,
netdev@vger.kernel.org, linux-rdma@vger.kernel.org,
linux-kernel@vger.kernel.org, Gal Pressman <gal@nvidia.com>,
Moshe Shemesh <moshe@nvidia.com>,
Dragos Tatulea <dtatulea@nvidia.com>
Subject: Re: [PATCH net-next 0/3] net/mlx5e: Improve channel creation time via fast-path MKEY initialization
Date: Fri, 20 Mar 2026 11:56:45 +0000 [thread overview]
Message-ID: <20260320115645.GE1753385@horms.kernel.org> (raw)
In-Reply-To: <20260319074338.24265-1-tariqt@nvidia.com>
On Thu, Mar 19, 2026 at 09:43:35AM +0200, Tariq Toukan wrote:
> Hi,
>
> This series improves channel creation time by moving per-channel MKEY
> initialization from a slow-path FW command to a fast-path UMR WQE.
>
> The benefit becomes more significant with larger MKEYs and a higher
> number of channels.
>
> On my setup with the maximum configuration (248 channels, MTU 9000,
> RX/TX ring size 8K), the "interface up" operation is 2.081 seconds
> faster:
>
> Before: 5.618 seconds
> After: 3.537 seconds
>
> This corresponds to ~8.4 msec saved per channel.
>
> Regards,
> Tariq
>
> Tariq Toukan (3):
> net/mlx5e: Move RX MPWQE slowpath fields into a separate struct
> net/mlx5e: RX, Pre-calculate pad value in MPWQE
> net/mlx5e: Speed up channel creation by initializing MKEY entries via
> UMR WQE
Thanks,
For the series:
Reviewed-by: Simon Horman <horms@kernel.org>
prev parent reply other threads:[~2026-03-20 11:56 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-19 7:43 [PATCH net-next 0/3] net/mlx5e: Improve channel creation time via fast-path MKEY initialization Tariq Toukan
2026-03-19 7:43 ` [PATCH net-next 1/3] net/mlx5e: Move RX MPWQE slowpath fields into a separate struct Tariq Toukan
2026-03-20 23:02 ` Joe Damato
2026-03-19 7:43 ` [PATCH net-next 2/3] net/mlx5e: RX, Pre-calculate pad value in MPWQE Tariq Toukan
2026-03-20 23:02 ` Joe Damato
2026-03-19 7:43 ` [PATCH net-next 3/3] net/mlx5e: Speed up channel creation by initializing MKEY entries via UMR WQE Tariq Toukan
2026-03-24 0:39 ` Jakub Kicinski
2026-03-20 11:56 ` Simon Horman [this message]
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