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

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

Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Jianbo Liu
2022-04-25 03:17:47 +00:00
committed by Saeed Mahameed
parent 12a9e1b73d
commit 8a6fa6df61
1 changed files with 13 additions and 5 deletions
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18
drivers/net/ethernet/mellanox/mlx5/core/lib/crypto.c
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@@ -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);