[dpdk-dev] [PATCH] net/bnxt: fix Rx queue pool calculation

[Ajit Khaparde]

On Mon, Nov 18, 2019 at 12:32 PM Ajit Khaparde <ajit.khaparde at broadcom.com>
wrote:

> When the number of Rx queues requested by the application is less than
> the number of pools calculated, we end up calling HWRM_VNIC_ALLOC with
> incorrect parameters. This causes the firmware to return an error.
> Fix the Rx queue pool calculation.
>
> Fixes: 10bb6ddc2984 ("net/bnxt: fix flow creation with non-consecutive
> group ids")
>
> Signed-off-by: Ajit Khaparde <ajit.khaparde at broadcom.com>
> Reviewed-by: Somnath Kotur <somnath.kotur at broadcom.com>
>
Patch applied to dpdk-next-net-brcm


> ---
>  drivers/net/bnxt/bnxt_rxq.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/net/bnxt/bnxt_rxq.c b/drivers/net/bnxt/bnxt_rxq.c
> index 94f105d34..457ebede0 100644
> --- a/drivers/net/bnxt/bnxt_rxq.c
> +++ b/drivers/net/bnxt/bnxt_rxq.c
> @@ -104,6 +104,7 @@ int bnxt_mq_rx_configure(struct bnxt *bp)
>                 pools = bp->rx_cosq_cnt ? bp->rx_cosq_cnt : pools;
>         }
>
> +       pools = RTE_MIN(pools, bp->rx_cp_nr_rings);
>         nb_q_per_grp = bp->rx_cp_nr_rings / pools;
>         bp->rx_num_qs_per_vnic = nb_q_per_grp;
>         PMD_DRV_LOG(DEBUG, "pools = %u nb_q_per_grp = %u\n",
> --
> 2.21.0 (Apple Git-122.2)
>
>