From: Jerin Jacob <jerinjacobk@gmail.com>
To: Ganapati Kundapura <ganapati.kundapura@intel.com>
Cc: jerinj@marvell.com, jay.jayatheerthan@intel.com,
s.v.naga.harish.k@intel.com, abhinandan.gujjar@intel.com,
dev@dpdk.org
Subject: Re: [PATCH v1] eventdev/crypto: flush ops when circ buffer is full
Date: Wed, 2 Aug 2023 21:47:29 +0530 [thread overview]
Message-ID: <CALBAE1NVTZzm2V1NuSpBg8NaCF18g6dtavZF1ZpLwUyTVMZRQA@mail.gmail.com> (raw)
In-Reply-To: <20230801054457.1184208-1-ganapati.kundapura@intel.com>
On Tue, Aug 1, 2023 at 11:15 AM Ganapati Kundapura
<ganapati.kundapura@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.kundapura@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
>
next prev parent reply other threads:[~2023-08-02 16:17 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-01 5:44 Ganapati Kundapura
2023-08-02 16:17 ` Jerin Jacob [this message]
2023-08-03 8:34 ` Kundapura, Ganapati
2023-08-03 8:32 ` [PATCH v2] eventdev/crypto: fix circular buffer full case Ganapati Kundapura
2023-08-08 12:59 ` Jerin Jacob
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