[dpdk-stable] [PATCH 19.11] net/octeontx2: fix default MCAM allocation size

[Christian Ehrhardt]

On Thu, Aug 12, 2021 at 1:29 PM <psatheesh at marvell.com> wrote:
>
> From: Satheesh Paul <psatheesh at marvell.com>
>
> [ upstream commit d81cea5280112f5f6c8796c2fb0bad72bf29d41e ]
>
> Preallocation of MCAM entries is not valid anymore since the
> AF side MCAM allocation scheme has changed. This patch disables
> preallocation by changing the default MCAM preallocation size
> from 8 to 1.
>
> Fixes: 168c59cfe42 ("net/octeontx2: add flow MCAM utility functions")

Thanks, applied

> Signed-off-by: Satheesh Paul <psatheesh at marvell.com>
> ---
>  drivers/net/octeontx2/otx2_ethdev_devargs.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/octeontx2/otx2_ethdev_devargs.c b/drivers/net/octeontx2/otx2_ethdev_devargs.c
> index 04da1abbdb..d29d1eb97b 100644
> --- a/drivers/net/octeontx2/otx2_ethdev_devargs.c
> +++ b/drivers/net/octeontx2/otx2_ethdev_devargs.c
> @@ -115,7 +115,7 @@ otx2_ethdev_parse_devargs(struct rte_devargs *devargs, struct otx2_eth_dev *dev)
>  {
>         uint16_t rss_size = NIX_RSS_RETA_SIZE;
>         uint16_t sqb_count = NIX_MAX_SQB;
> -       uint16_t flow_prealloc_size = 8;
> +       uint16_t flow_prealloc_size = 1;
>         uint16_t switch_header_type = 0;
>         uint16_t flow_max_priority = 3;
>         uint16_t scalar_enable = 0;
> --
> 2.25.4
>


-- 
Christian Ehrhardt
Staff Engineer, Ubuntu Server
Canonical Ltd