On Thu, 18 Apr, 2024 01:24:50 -0400 Mateusz Polchlopek 
<mateusz.polchlo...@intel.com> wrote:
> From: Simei Su <simei...@intel.com>
>
> To support Rx timestamp offload, VIRTCHNL_OP_1588_PTP_CAPS is sent by
> the VF to request PTP capability and responded by the PF what capability
> is enabled for that VF.
>
> Hardware captures timestamps which contain only 32 bits of nominal
> nanoseconds, as opposed to the 64bit timestamps that the stack expects.
> To convert 32b to 64b, we need a current PHC time.
> VIRTCHNL_OP_1588_PTP_GET_TIME is sent by the VF and responded by the
> PF with the current PHC time.
>
> Reviewed-by: Wojciech Drewek <wojciech.dre...@intel.com>
> Signed-off-by: Simei Su <simei...@intel.com>
> Co-developed-by: Mateusz Polchlopek <mateusz.polchlo...@intel.com>
> Signed-off-by: Mateusz Polchlopek <mateusz.polchlo...@intel.com>
> ---
<snip>
> @@ -1779,9 +1782,17 @@ static int ice_vc_cfg_qs_msg(struct ice_vf *vf, u8 
> *msg)
>                               rxdid = ICE_RXDID_LEGACY_1;
>                       }
>  
> -                     ice_write_qrxflxp_cntxt(&vsi->back->hw,
> -                                             vsi->rxq_map[q_idx],
> -                                             rxdid, 0x03, false);
> +                     if (vf->driver_caps &
> +                         VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC &&
> +                         vf->driver_caps & VIRTCHNL_VF_CAP_PTP &&
> +                         qpi->rxq.flags & VIRTCHNL_PTP_RX_TSTAMP)

Just a general suggestion, any reason we cannot use test_bit, set_bit,
clear_bit, etc for these flags?

> +                             ice_write_qrxflxp_cntxt(&vsi->back->hw,
> +                                                     vsi->rxq_map[q_idx],
> +                                                     rxdid, 0x03, true);
> +                     else
> +                             ice_write_qrxflxp_cntxt(&vsi->back->hw,
> +                                                     vsi->rxq_map[q_idx],
> +                                                     rxdid, 0x03, false);
>               }
>       }
>  
<snip>

--
Thanks,

Rahul Rameshbabu

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