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net/mlx5e: Fix scheduling of IPsec ASO query while in atomic 

ASO query can be scheduled in atomic context as such it can't use usleep.
Use udelay as recommended in Documentation/timers/timers-howto.rst.

Fixes: 76e463f650 ("net/mlx5e: Overcome slow response for first IPsec ASO WQE")
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Leon Romanovsky 2023-06-05 11:09:52 +03:00 committed by Saeed Mahameed
parent c75b94255a
commit a128f9d4c1
1 changed files with 2 additions and 1 deletions
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3
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c
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@ -606,7 +606,8 @@ int mlx5e_ipsec_aso_query(struct mlx5e_ipsec_sa_entry *sa_entry,
do {
ret = mlx5_aso_poll_cq(aso->aso, false);
if (ret)
usleep_range(2, 10);
/* We are in atomic context */
udelay(10);
} while (ret && time_is_after_jiffies(expires));
spin_unlock_bh(&aso->lock);
return ret;