Re: [dpdk-dev] [PATCH] net/bnxt: fix mbuf flags for PTP packets

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

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On Wed, Jan 27, 2021 at 7:30 PM Kalesh A P
<kalesh-anakkur.purayil@broadcom.com> wrote:
>
> From: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
>
> Commit "899f06130724" broke the update of mbuf flags for PTP packets.
> "mbuf->ol_flags" is overwritten in bnxt_set_ol_flags() function.
>
> Fixes: 899f06130724 ("net/bnxt: add Rx logic for 58818 chips")
>
> Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
> Reviewed-by: Ajit Kumar Khaparde <ajit.khaparde@broadcom.com>
Patch applied to dpdk-next-net-brcm/for-next-net. Thanks

> ---
>  drivers/net/bnxt/bnxt_rxr.c | 10 +++++++---
>  1 file changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/bnxt/bnxt_rxr.c b/drivers/net/bnxt/bnxt_rxr.c
> index 969cae1..9fc03ae 100644
> --- a/drivers/net/bnxt/bnxt_rxr.c
> +++ b/drivers/net/bnxt/bnxt_rxr.c
> @@ -589,6 +589,12 @@ bnxt_set_ol_flags(struct bnxt_rx_ring_info *rxr, struct rx_pkt_cmpl *rxcmp,
>                 ol_flags |= PKT_RX_RSS_HASH;
>         }
>
> +#ifdef RTE_LIBRTE_IEEE1588
> +       if (unlikely((flags_type & RX_PKT_CMPL_FLAGS_MASK) ==
> +                    RX_PKT_CMPL_FLAGS_ITYPE_PTP_W_TIMESTAMP))
> +               ol_flags |= PKT_RX_IEEE1588_PTP | PKT_RX_IEEE1588_TMST;
> +#endif
> +
>         mbuf->ol_flags = ol_flags;
>  }
>
> @@ -842,10 +848,8 @@ static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt,
>  #ifdef RTE_LIBRTE_IEEE1588
>         if (unlikely((rte_le_to_cpu_16(rxcmp->flags_type) &
>                       RX_PKT_CMPL_FLAGS_MASK) ==
> -                     RX_PKT_CMPL_FLAGS_ITYPE_PTP_W_TIMESTAMP)) {
> -               mbuf->ol_flags |= PKT_RX_IEEE1588_PTP | PKT_RX_IEEE1588_TMST;
> +                    RX_PKT_CMPL_FLAGS_ITYPE_PTP_W_TIMESTAMP))
>                 bnxt_get_rx_ts_p5(rxq->bp, rxcmp1->reorder);
> -       }
>  #endif
>
>         if (cmp_type == CMPL_BASE_TYPE_RX_L2_V2) {
> --
> 2.10.1
>