[dpdk-stable] [PATCH] net/bnxt: fix mem zone free for Tx and Rx rings

[Ajit Khaparde]

On Fri, Sep 24, 2021 at 5:57 PM Ajit Khaparde
<ajit.khaparde at broadcom.com> wrote:
>
> The device cleanup logic was freeing most of the ring related memory,
> but was not freeing up the mem zone associated with the rings.
> This patch fixes the issue.
>
> Fixes: 2eb53b134aae ("net/bnxt: add initial Rx code")
> Fixes: 6eb3cc2294fd ("net/bnxt: add initial Tx code")
> Cc: stable at dpdk.org
>
> Signed-off-by: Ajit Khaparde <ajit.khaparde at broadcom.com>
> Reviewed-by: Lance Richardson <lance.richardson at broadcom.com>
> Reviewed-by: Somnath Kotur <somnath.kotur at broadcom.com>
Patch applied to dpdk-next-net-brcm.

> ---
>  drivers/net/bnxt/bnxt_rxr.c | 3 +++
>  drivers/net/bnxt/bnxt_txr.c | 3 +++
>  2 files changed, 6 insertions(+)
>
> diff --git a/drivers/net/bnxt/bnxt_rxr.c b/drivers/net/bnxt/bnxt_rxr.c
> index a40fa50138..4c1ee4294e 100644
> --- a/drivers/net/bnxt/bnxt_rxr.c
> +++ b/drivers/net/bnxt/bnxt_rxr.c
> @@ -1207,6 +1207,9 @@ void bnxt_free_rx_rings(struct bnxt *bp)
>                 rte_free(rxq->cp_ring->cp_ring_struct);
>                 rte_free(rxq->cp_ring);
>
> +               rte_memzone_free(rxq->mz);
> +               rxq->mz = NULL;
> +
>                 rte_free(rxq);
>                 bp->rx_queues[i] = NULL;
>         }
> diff --git a/drivers/net/bnxt/bnxt_txr.c b/drivers/net/bnxt/bnxt_txr.c
> index 47824334ae..9e45ddd7a8 100644
> --- a/drivers/net/bnxt/bnxt_txr.c
> +++ b/drivers/net/bnxt/bnxt_txr.c
> @@ -38,6 +38,9 @@ void bnxt_free_tx_rings(struct bnxt *bp)
>                 rte_free(txq->cp_ring->cp_ring_struct);
>                 rte_free(txq->cp_ring);
>
> +               rte_memzone_free(txq->mz);
> +               txq->mz = NULL;
> +
>                 rte_free(txq);
>                 bp->tx_queues[i] = NULL;
>         }
> --
> 2.30.1 (Apple Git-130)
>