[dpdk-dev] [PATCH] net/bnxt: fix RSS behavior on Thor

[Ajit Khaparde]

On Mon, Oct 25, 2021 at 9:54 PM Kalesh A P
<kalesh-anakkur.purayil at broadcom.com> wrote:
>
> From: Kalesh AP <kalesh-anakkur.purayil at broadcom.com>
>
> Move the Rx queue state update before bnxt_setup_one_vnic()
> is called. For Thor, rxq->rx_started and eth_dev->data->rx_queue_state[]
> needs to be set for all queues before bnxt_hwrm_vnic_cfg() or
> bnxt_vnic_rss_configure() are called.
>
> Fixes: 0105ea1296c9 ("net/bnxt: support runtime queue setup")
> Cc: stable at dpdk.org
>
> Signed-off-by: Lance Richardson <lance.richardson at broadcom.com>
> Signed-off-by: Kalesh AP <kalesh-anakkur.purayil at broadcom.com>
> Acked-by: Ajit Khaparde <ajit.khaparde at broadcom.com>
> Acked-by: Somnath Kotur <somnath.kotur at broadcom.com>

Patch applied to dpdk-next-net-brcm.

> ---
>  drivers/net/bnxt/bnxt_ethdev.c | 20 ++++++++++----------
>  1 file changed, 10 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
> index 5a34bb9..668e3aa 100644
> --- a/drivers/net/bnxt/bnxt_ethdev.c
> +++ b/drivers/net/bnxt/bnxt_ethdev.c
> @@ -790,6 +790,16 @@ static int bnxt_start_nic(struct bnxt *bp)
>                 goto err_out;
>         }
>
> +       for (j = 0; j < bp->rx_nr_rings; j++) {
> +               struct bnxt_rx_queue *rxq = bp->rx_queues[j];
> +
> +               if (!rxq->rx_deferred_start) {
> +                       bp->eth_dev->data->rx_queue_state[j] =
> +                               RTE_ETH_QUEUE_STATE_STARTED;
> +                       rxq->rx_started = true;
> +               }
> +       }
> +
>         /* default vnic 0 */
>         rc = bnxt_setup_one_vnic(bp, 0);
>         if (rc)
> @@ -813,16 +823,6 @@ static int bnxt_start_nic(struct bnxt *bp)
>                 }
>         }
>
> -       for (j = 0; j < bp->rx_nr_rings; j++) {
> -               struct bnxt_rx_queue *rxq = bp->rx_queues[j];
> -
> -               if (!rxq->rx_deferred_start) {
> -                       bp->eth_dev->data->rx_queue_state[j] =
> -                               RTE_ETH_QUEUE_STATE_STARTED;
> -                       rxq->rx_started = true;
> -               }
> -       }
> -
>         rc = bnxt_hwrm_cfa_l2_set_rx_mask(bp, &bp->vnic_info[0], 0, NULL);
>         if (rc) {
>                 PMD_DRV_LOG(ERR,
> --
> 2.10.1
>