net/mlx5e: Reduce contention in IPsec workqueue

IPsec workqueue shouldn't be declared as ordered queue with one work
per-CPU, and can be safely changed to be unordered with default number
of works per-CPU.

Link: https://lore.kernel.org/r/5dc224a4decd09c14f645d38173e1a1710802cd8.1680162300.git.leonro@nvidia.com
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>

Author: rleon

drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c

@@ -561,8 +561,8 @@ void mlx5e_ipsec_init(struct mlx5e_priv *priv)
 
 	xa_init_flags(&ipsec->sadb, XA_FLAGS_ALLOC);
 	ipsec->mdev = priv->mdev;
-	ipsec->wq = alloc_ordered_workqueue("mlx5e_ipsec: %s", 0,
-					    priv->netdev->name);
+	ipsec->wq = alloc_workqueue("mlx5e_ipsec: %s", WQ_UNBOUND, 0,
+				    priv->netdev->name);
 	if (!ipsec->wq)
 		goto err_wq;