Commit 8a6fa6df authored by Jianbo Liu's avatar Jianbo Liu Committed by Saeed Mahameed
Browse files

net/mlx5: Keep only one bulk of full available DEKs 



One bulk with full available keys is left undestroyed, to service the
possible requests from users quickly.

Signed-off-by: default avatarJianbo Liu <jianbol@nvidia.com>
Reviewed-by: default avatarTariq Toukan <tariqt@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
parent 12a9e1b7

drivers/net/ethernet/mellanox/mlx5/core/lib/crypto.c

+13 −5
Original line number Diff line number Diff line
@@ -506,12 +506,19 @@ static void mlx5_crypto_dek_bulk_reset_synced(struct mlx5_crypto_dek_pool *pool, 
	}

}



static void mlx5_crypto_dek_bulk_handle_avail(struct mlx5_crypto_dek_pool *pool,

/* Return true if the bulk is reused, false if destroyed with delay */

static bool mlx5_crypto_dek_bulk_handle_avail(struct mlx5_crypto_dek_pool *pool,

					      struct mlx5_crypto_dek_bulk *bulk,

					      struct list_head *destroy_list)

{

	if (list_empty(&pool->avail_list)) {

		list_move(&bulk->entry, &pool->avail_list);

		return true;

	}



	mlx5_crypto_dek_pool_remove_bulk(pool, bulk, true);

	list_add(&bulk->entry, destroy_list);

	return false;

}



static void mlx5_crypto_dek_pool_splice_destroy_list(struct mlx5_crypto_dek_pool *pool,
@@ -535,7 +542,7 @@ static void mlx5_crypto_dek_pool_free_wait_keys(struct mlx5_crypto_dek_pool *poo 


/* For all the bulks in each list, reset the bits while sync.

 * Move them to different lists according to the number of available DEKs.

 * Destrory all the idle bulks for now.

 * Destrory all the idle bulks, except one for quick service.

 * And free DEKs in the waiting list at the end of this func.

 */

static void mlx5_crypto_dek_pool_reset_synced(struct mlx5_crypto_dek_pool *pool)
@@ -562,11 +569,12 @@ static void mlx5_crypto_dek_pool_reset_synced(struct mlx5_crypto_dek_pool *pool) 
	}



	list_for_each_entry_safe(bulk, tmp, &pool->sync_list, entry) {

		memset(bulk->need_sync, 0, BITS_TO_BYTES(bulk->num_deks));

		bulk->avail_start = 0;

		bulk->avail_deks = bulk->num_deks;

		pool->avail_deks += bulk->num_deks;

		mlx5_crypto_dek_bulk_handle_avail(pool, bulk, &destroy_list);

		if (mlx5_crypto_dek_bulk_handle_avail(pool, bulk, &destroy_list)) {

			memset(bulk->need_sync, 0, BITS_TO_BYTES(bulk->num_deks));

			bulk->avail_start = 0;

		}

	}



	mlx5_crypto_dek_pool_free_wait_keys(pool);