[PATCH v2] net/gve: Fix TX/RX queue setup and stop

[Tathagat Priyadarshi]

Hi @Ferruh Yigit <ferruh.yigit at amd.com>

I have updated v2
https://patches.dpdk.org/project/dpdk/patch/1721914264-2394611-1-git-send-email-tathagat.dpdk@gmail.com/
and sent it in reply to the previous message id (
https://patches.dpdk.org/project/dpdk/patch/1721828129-2393364-1-git-send-email-tathagat.dpdk@gmail.com/)
, let me know if this is fine.



On Thu, Jul 25, 2024 at 6:59 PM Tathagat Priyadarshi <
tathagat.dpdk at gmail.com> wrote:

> The PR aims to update the TX/RQ queue setup/stop routines that are
> unique to DQO, so that they may be called for instances that use the
> DQO RDA format during dev start/stop
>
> Signed-off-by: Tathagat Priyadarshi <tathagat.dpdk at gmail.com>
> ---
>  drivers/net/gve/gve_ethdev.c | 29 +++++++++++++++++++++++------
>  1 file changed, 23 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/net/gve/gve_ethdev.c b/drivers/net/gve/gve_ethdev.c
> index ca92277..a20092e 100644
> --- a/drivers/net/gve/gve_ethdev.c
> +++ b/drivers/net/gve/gve_ethdev.c
> @@ -288,11 +288,16 @@ struct gve_queue_page_list *
>                 PMD_DRV_LOG(ERR, "Failed to create %u tx queues.",
> num_queues);
>                 return ret;
>         }
> -       for (i = 0; i < num_queues; i++)
> -               if (gve_tx_queue_start(dev, i) != 0) {
> +       for (i = 0; i < num_queues; i++) {
> +               if (gve_is_gqi(priv))
> +                       ret = gve_tx_queue_start(dev, i);
> +               else
> +                       ret = gve_tx_queue_start_dqo(dev, i);
> +               if (ret != 0) {
>                         PMD_DRV_LOG(ERR, "Fail to start Tx queue %d", i);
>                         goto err_tx;
>                 }
> +       }
>
>         num_queues = dev->data->nb_rx_queues;
>         priv->rxqs = (struct gve_rx_queue **)dev->data->rx_queues;
> @@ -315,9 +320,15 @@ struct gve_queue_page_list *
>         return 0;
>
>  err_rx:
> -       gve_stop_rx_queues(dev);
> +       if (gve_is_gqi(priv))
> +               gve_stop_rx_queues(dev);
> +       else
> +               gve_stop_rx_queues_dqo(dev);
>  err_tx:
> -       gve_stop_tx_queues(dev);
> +       if (gve_is_gqi(priv))
> +               gve_stop_tx_queues(dev);
> +       else
> +               gve_stop_tx_queues_dqo(dev);
>         return ret;
>  }
>
> @@ -362,10 +373,16 @@ struct gve_queue_page_list *
>  static int
>  gve_dev_stop(struct rte_eth_dev *dev)
>  {
> +       struct gve_priv *priv = dev->data->dev_private;
>         dev->data->dev_link.link_status = RTE_ETH_LINK_DOWN;
>
> -       gve_stop_tx_queues(dev);
> -       gve_stop_rx_queues(dev);
> +       if (gve_is_gqi(priv)) {
> +               gve_stop_tx_queues(dev);
> +               gve_stop_rx_queues(dev);
> +       } else {
> +               gve_stop_tx_queues_dqo(dev);
> +               gve_stop_rx_queues_dqo(dev);
> +       }
>
>         dev->data->dev_started = 0;
>
> --
> 1.8.3.1
>
>
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