[PATCH] common/cnxk: fix pool buffer size in opaque mode

[Jerin Jacob]

On Fri, Oct 13, 2023 at 10:06 PM Ashwin Sekhar T K <asekhar at marvell.com> wrote:
>
> From: Kommula Shiva Shankar <kshankar at marvell.com>
>
> Pool buffer size in opaque mode must always be set to 0.
>
> Fixes: f765f5611240 ("common/cnxk: add NPA pool HW operations")
>
> Signed-off-by: Kommula Shiva Shankar <kshankar at marvell.com>
> Signed-off-by: Ashwin Sekhar T K <asekhar at marvell.com>


Acked-by: Jerin Jacob <jerinj at marvell.com>


> ---
>  drivers/common/cnxk/roc_npa.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/common/cnxk/roc_npa.c b/drivers/common/cnxk/roc_npa.c
> index b76b8e2342..6c14c49901 100644
> --- a/drivers/common/cnxk/roc_npa.c
> +++ b/drivers/common/cnxk/roc_npa.c
> @@ -517,7 +517,11 @@ npa_aura_pool_pair_alloc(struct npa_lf *lf, const uint32_t block_size,
>         /* Update pool fields */
>         pool->stack_base = mz->iova;
>         pool->ena = 1;
> -       pool->buf_size = block_size / ROC_ALIGN;
> +       /* In opaque mode buffer size must be 0 */
> +       if (!pool->nat_align)
> +               pool->buf_size = 0;
> +       else
> +               pool->buf_size = block_size / ROC_ALIGN;
>         pool->stack_max_pages = stack_size;
>         pool->shift = plt_log2_u32(block_count);
>         pool->shift = pool->shift < 8 ? 0 : pool->shift - 8;
> --
> 2.25.1
>