[PATCH] net/cnxk: fix promiscuous state after MAC change

[Jerin Jacob]

On Tue, May 28, 2024 at 2:18 PM Rahul Bhansali <rbhansali at marvell.com> wrote:
>
> If promiscuous mode is enabled and default MAC address is set
> again then promiscuous mode gets disabled in hardware.
>
> This change will restore promiscuous behavior after configuring
> default MAC address.
>
> Fixes: 5fe86db2a0dd ("net/cnxk: support MAC address set")
> Cc: stable at dpdk.org
>
> Signed-off-by: Rahul Bhansali <rbhansali at marvell.com>

Applied to dpdk-next-net-mrvl/for-main. Thanks


> ---
>  drivers/net/cnxk/cnxk_ethdev_ops.c | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/drivers/net/cnxk/cnxk_ethdev_ops.c b/drivers/net/cnxk/cnxk_ethdev_ops.c
> index c8260fcb9c..b1093dd584 100644
> --- a/drivers/net/cnxk/cnxk_ethdev_ops.c
> +++ b/drivers/net/cnxk/cnxk_ethdev_ops.c
> @@ -451,6 +451,13 @@ cnxk_nix_mac_addr_set(struct rte_eth_dev *eth_dev, struct rte_ether_addr *addr)
>                         roc_nix_npc_mac_addr_set(nix, dev->mac_addr);
>                         goto exit;
>                 }
> +
> +               if (eth_dev->data->promiscuous) {
> +                       rc = roc_nix_mac_promisc_mode_enable(nix, true);
> +                       if (rc)
> +                               plt_err("Failed to setup promisc mode in mac, rc=%d(%s)", rc,
> +                                       roc_error_msg_get(rc));
> +               }
>         }
>
>         /* Update mac address to cnxk ethernet device */
> --
> 2.25.1
>