On Mon, Mar 15, 2021 at 10:41 PM Somnath Kotur
<somnath.ko...@broadcom.com> wrote:
>
> Fix to read the sequence ID register to get Tx timestamp.
> Reading the sequence ID register is necessary for the HW FIFO to
> advance and thereby get the correct value of the timestamp on Tx side.
> This patch fixes that.
>
> Fixes: b11cceb83a3 ("net/bnxt: support timesync")
> Cc: sta...@dpdk.org
>
> Reviewed-by: Kalesh Anakkur Purayil <kalesh-anakkur.pura...@broadcom.com>
> Reviewed-by: Lance Richardson <lance.richard...@broadcom.com>
> Reviewed-by: Ajit Kumar Khaparde <ajit.khapa...@broadcom.com>
> Signed-off-by: Somnath Kotur <somnath.ko...@broadcom.com>
Patch applied to dpdk-next-net-brcm.> --- > drivers/net/bnxt/bnxt_ethdev.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c > index 6cc6af0a66..3cda3bd4a5 100644 > --- a/drivers/net/bnxt/bnxt_ethdev.c > +++ b/drivers/net/bnxt/bnxt_ethdev.c > @@ -3377,6 +3377,7 @@ static int bnxt_get_tx_ts(struct bnxt *bp, uint64_t *ts) > ptp->tx_mapped_regs[BNXT_PTP_TX_TS_L])); > *ts |= (uint64_t)rte_le_to_cpu_32(rte_read32((uint8_t *)bp->bar0 + > ptp->tx_mapped_regs[BNXT_PTP_TX_TS_H])) << 32; > + rte_read32((uint8_t *)bp->bar0 + > ptp->tx_mapped_regs[BNXT_PTP_TX_SEQ]); > > return 0; > } > -- > 2.28.0.497.g54e85e7 >
