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net/mlx5e: MACsec, add ASO poll loop in macsec_aso_set_arm_event

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The macsec_aso_set_arm_event function calls mlx5_aso_poll_cq once
without a retry loop. If the CQE is not immediately available after
posting the WQE, the function fails unnecessarily.

Use read_poll_timeout() to poll 3-10 usecs for CQE, consistent with
other ASO polling code paths in the driver.

Fixes: 739cfa3451 ("net/mlx5: Make ASO poll CQ usable in atomic context")
Signed-off-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Jianbo Liu <jianbol@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Jacob Keller <Jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20260218072904.1764634-5-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Gal Pressman
2026-02-18 09:29:02 +02:00
committed by Jakub Kicinski
parent d451994ebc
commit 9854b243ce
1 changed files with 2 additions and 1 deletions
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3
drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c
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@@ -1386,7 +1386,8 @@ static int macsec_aso_set_arm_event(struct mlx5_core_dev *mdev, struct mlx5e_mac
MLX5_ACCESS_ASO_OPC_MOD_MACSEC);
macsec_aso_build_ctrl(aso, &aso_wqe->aso_ctrl, in);
mlx5_aso_post_wqe(maso, false, &aso_wqe->ctrl);
err = mlx5_aso_poll_cq(maso, false);
read_poll_timeout(mlx5_aso_poll_cq, err, !err, 10, 10 * USEC_PER_MSEC,
false, maso, false);
mutex_unlock(&aso->aso_lock);
return err;