On Tue, Nov 03, 2020 at 04:41:14PM +0100, Thomas Monjalon wrote: > External Email > > ---------------------------------------------------------------------- > 03/11/2020 16:20, Harman Kalra: > > Registration of timestamp field should be done once and > > Why? > Next registrations does nothing, it is not a problem. > > > only when ptp kernel changes are successful. > > Rx timestamp can be useful without PTP. Ack, you are correct, VF change is also required.
> > > --- a/drivers/net/octeontx2/otx2_ethdev.c > > +++ b/drivers/net/octeontx2/otx2_ethdev.c > > @@ -2225,16 +2225,6 @@ otx2_nix_dev_start(struct rte_eth_dev *eth_dev) > > if (otx2_ethdev_is_ptp_en(dev) && otx2_dev_is_vf(dev)) > > otx2_nix_ptp_enable_vf(eth_dev); > > NIX_RX_OFFLOAD_TSTAMP_F is set in above function. > Is it useless? Or should we register timestamp below? > > > - if (dev->rx_offload_flags & NIX_RX_OFFLOAD_TSTAMP_F) { > > - rc = rte_mbuf_dyn_rx_timestamp_register( > > - &dev->tstamp.tstamp_dynfield_offset, > > - &dev->tstamp.rx_tstamp_dynflag); > > - if (rc != 0) { > > - otx2_err("Failed to register Rx timestamp field/flag"); > > - return -rte_errno; > > - } > > - } > > >