[dpdk-dev] [EXT] [dpdk-dev v2] cryptodev: change raw data path dequeue API
Akhil Goyal
gakhil at marvell.com
Tue Apr 13 12:19:52 CEST 2021
Hi Fan,
> This patch changes the experimental raw data path dequeue burst API.
> Originally the API enforces the user to provide callback function
> to get maximum dequeue count. This change gives the user one more
> option to pass directly the expected dequeue count.
>
> Signed-off-by: Fan Zhang <roy.fan.zhang at intel.com>
> ---
> app/test/test_cryptodev.c | 8 +-------
> doc/guides/rel_notes/release_21_05.rst | 3 +++
> drivers/crypto/qat/qat_sym_hw_dp.c | 21 ++++++++++++++++++---
> lib/librte_cryptodev/rte_cryptodev.c | 5 +++--
> lib/librte_cryptodev/rte_cryptodev.h | 8 ++++++++
> 5 files changed, 33 insertions(+), 12 deletions(-)
>
> diff --git a/app/test/test_cryptodev.c b/app/test/test_cryptodev.c
> index f91debc168..a910547423 100644
> --- a/app/test/test_cryptodev.c
> +++ b/app/test/test_cryptodev.c
> @@ -162,12 +162,6 @@ ceil_byte_length(uint32_t num_bits)
> return (num_bits >> 3);
> }
>
> -static uint32_t
> -get_raw_dp_dequeue_count(void *user_data __rte_unused)
> -{
> - return 1;
> -}
> -
> static void
> post_process_raw_dp_op(void *user_data, uint32_t index __rte_unused,
> uint8_t is_op_success)
> @@ -345,7 +339,7 @@ process_sym_raw_dp_op(uint8_t dev_id, uint16_t
> qp_id,
> n = n_success = 0;
> while (count++ < MAX_RAW_DEQUEUE_COUNT && n == 0) {
> n = rte_cryptodev_raw_dequeue_burst(ctx,
> - get_raw_dp_dequeue_count,
> post_process_raw_dp_op,
> + NULL, 1, post_process_raw_dp_op,
> (void **)&ret_op, 0, &n_success,
> &dequeue_status);
> if (dequeue_status < 0) {
> diff --git a/doc/guides/rel_notes/release_21_05.rst
> b/doc/guides/rel_notes/release_21_05.rst
> index 8e686cc627..943f1596c5 100644
> --- a/doc/guides/rel_notes/release_21_05.rst
> +++ b/doc/guides/rel_notes/release_21_05.rst
> @@ -130,6 +130,9 @@ API Changes
> Also, make sure to start the actual text at the margin.
> =======================================================
>
> +* cryptodev: the function ``rte_cryptodev_raw_dequeue_burst`` is added a
> + parameter ``max_nb_to_dequeue`` to give user a more flexible dequeue
> control.
> +
Shouldn't we remove the callback completely?
What is the use case of having 2 different methods of passing a
Simple dequeue count?
Why do we need such flexibility?
Regards,
Akhil
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