Re: [dpdk-dev] [PATCH] net/bnxt: fix to reset Rx next consumer index

[Ajit Khaparde <ajit.khaparde@broadcom.com>]

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On Mon, Aug 9, 2021 at 11:11 PM Somnath Kotur <somnath.kotur@broadcom.com>
wrote:

> In bnxt_init_one_rx_ring(), reset this variable internal to the driver
> ring to 0, so that there is no mismatch with actual value in HW on
> traffic resumption.
>
> Fixes: 03c8f2fe111c ("net/bnxt: detect bad opaque in Rx completion")
> Cc: stable@dpdk.org
>
> Signed-off-by: Somnath Kotur <somnath.kotur@broadcom.com>
> Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
> Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
>
Patch applied to dpdk-next-net-brcm for-next-net branch.

---
>  drivers/net/bnxt/bnxt_rxr.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/drivers/net/bnxt/bnxt_rxr.c b/drivers/net/bnxt/bnxt_rxr.c
> index aea71703d1..73fbdd17d1 100644
> --- a/drivers/net/bnxt/bnxt_rxr.c
> +++ b/drivers/net/bnxt/bnxt_rxr.c
> @@ -1379,6 +1379,9 @@ int bnxt_init_one_rx_ring(struct bnxt_rx_queue *rxq)
>         }
>         PMD_DRV_LOG(DEBUG, "TPA alloc Done!\n");
>
> +       /* Explicitly reset this driver internal tracker on a ring init */
> +       rxr->rx_next_cons = 0;
> +
>         return 0;
>  }
>
> --
> 2.28.0.497.g54e85e7
>
>