On Tue, Aug 1, 2023 at 11:15 AM Ganapati Kundapura
<ganapati.kundap...@intel.com> wrote:
>
> crypto ops from the circ buffer are not getting flushed
> to crypto dev when crypto dev becomes busy and circ buffer
> gets full.
>
> This patch flushes ops from circ buffer when circ buffer is full
> instead of returning without flushing.
Since it is bug, Please add Fixes: tag , Also change description accordingly.
> Signed-off-by: Ganapati Kundapura <ganapati.kundap...@intel.com>
>
> diff --git a/lib/eventdev/rte_event_crypto_adapter.c
> b/lib/eventdev/rte_event_crypto_adapter.c
> index 52a28e5..1b435c9 100644
> --- a/lib/eventdev/rte_event_crypto_adapter.c
> +++ b/lib/eventdev/rte_event_crypto_adapter.c
> @@ -248,9 +248,18 @@ eca_circular_buffer_flush_to_cdev(struct
> crypto_ops_circular_buffer *bufp,
> n = *tailp - *headp;
> else if (*tailp < *headp)
> n = bufp->size - *headp;
> - else {
> - *nb_ops_flushed = 0;
> - return 0; /* buffer empty */
> + else { /* head == tail case */
> + /* when head == tail,
> + * circ buff is either full(tail pointer roll over) or empty
> + */
> + if (bufp->count != 0) {
> + /* circ buffer is full */
> + n = bufp->count;
> + } else {
> + /* circ buffer is empty */
> + *nb_ops_flushed = 0;
> + return 0; /* buffer empty */
> + }
> }
>
> *nb_ops_flushed = rte_cryptodev_enqueue_burst(cdev_id, qp_id,
> --
> 2.6.4
>
