[dpdk-dev] [PATCH] net/octeontx2: disable HIGIG on port stop

[Jerin Jacob]

On Fri, Jan 24, 2020 at 7:25 PM <kirankumark at marvell.com> wrote:
>
> From: Kiran Kumar K <kirankumark at marvell.com>
>
> If HIGIG mode is enabled on configure, This needs to be disabled
> on port stop. Adding support to send mbox message on port stop
> to configure the port to default.
>
> Signed-off-by: Kiran Kumar K <kirankumark at marvell.com>

Acked-by: Jerin Jacob <jerinj at marvell.com>
Applied to dpdk-next-net-mrvl/master. Thanks


> ---
>  drivers/net/octeontx2/otx2_ethdev.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/octeontx2/otx2_ethdev.c b/drivers/net/octeontx2/otx2_ethdev.c
> index 268b383db..11f8c786b 100644
> --- a/drivers/net/octeontx2/otx2_ethdev.c
> +++ b/drivers/net/octeontx2/otx2_ethdev.c
> @@ -93,7 +93,7 @@ nix_lf_alloc(struct otx2_eth_dev *dev, uint32_t nb_rxq, uint32_t nb_txq)
>  }
>
>  static int
> -nix_lf_switch_header_type_enable(struct otx2_eth_dev *dev)
> +nix_lf_switch_header_type_enable(struct otx2_eth_dev *dev, bool enable)
>  {
>         struct otx2_mbox *mbox = dev->mbox;
>         struct npc_set_pkind *req;
> @@ -106,12 +106,16 @@ nix_lf_switch_header_type_enable(struct otx2_eth_dev *dev)
>         /* Notify AF about higig2 config */
>         req = otx2_mbox_alloc_msg_npc_set_pkind(mbox);
>         req->mode = dev->npc_flow.switch_header_type;
> +       if (enable == 0)
> +               req->mode = OTX2_PRIV_FLAGS_DEFAULT;
>         req->dir = PKIND_RX;
>         rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
>         if (rc)
>                 return rc;
>         req = otx2_mbox_alloc_msg_npc_set_pkind(mbox);
>         req->mode = dev->npc_flow.switch_header_type;
> +       if (enable == 0)
> +               req->mode = OTX2_PRIV_FLAGS_DEFAULT;
>         req->dir = PKIND_TX;
>         return otx2_mbox_process_msg(mbox, (void *)&rsp);
>  }
> @@ -1648,7 +1652,7 @@ otx2_nix_configure(struct rte_eth_dev *eth_dev)
>                 goto free_nix_lf;
>         }
>
> -       rc = nix_lf_switch_header_type_enable(dev);
> +       rc = nix_lf_switch_header_type_enable(dev, true);
>         if (rc) {
>                 otx2_err("Failed to enable switch type nix_lf rc=%d", rc);
>                 goto free_nix_lf;
> @@ -1882,6 +1886,7 @@ otx2_nix_dev_stop(struct rte_eth_dev *eth_dev)
>         struct otx2_eth_rxq *rxq;
>         int count, i, j, rc;
>
> +       nix_lf_switch_header_type_enable(dev, false);
>         nix_cgx_stop_link_event(dev);
>         npc_rx_disable(dev);
>
> --
> 2.17.1
>