Use previously refactored code and create a function that allows XDP code to read HW timestamp. HW timestamp is the first supported hint in the driver, so also add xdp_metadata_ops. Signed-off-by: Larysa Zaremba <larysa.zaremba@xxxxxxxxx> --- drivers/net/ethernet/intel/ice/ice.h | 2 ++ drivers/net/ethernet/intel/ice/ice_main.c | 1 + drivers/net/ethernet/intel/ice/ice_txrx_lib.c | 22 +++++++++++++++++++ 3 files changed, 25 insertions(+) diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h index aa32111afd6e..ba1bb8392db1 100644 --- a/drivers/net/ethernet/intel/ice/ice.h +++ b/drivers/net/ethernet/intel/ice/ice.h @@ -962,4 +962,6 @@ static inline void ice_clear_rdma_cap(struct ice_pf *pf) set_bit(ICE_FLAG_UNPLUG_AUX_DEV, pf->flags); clear_bit(ICE_FLAG_RDMA_ENA, pf->flags); } + +extern const struct xdp_metadata_ops ice_xdp_md_ops; #endif /* _ICE_H_ */ diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index a1f7c8edc22f..cda6c4a80737 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -3378,6 +3378,7 @@ static void ice_set_ops(struct ice_vsi *vsi) netdev->netdev_ops = &ice_netdev_ops; netdev->udp_tunnel_nic_info = &pf->hw.udp_tunnel_nic; + netdev->xdp_metadata_ops = &ice_xdp_md_ops; ice_set_ethtool_ops(netdev); if (vsi->type != ICE_VSI_PF) diff --git a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c index 2515f5f7a2b6..e9589cadf811 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c @@ -537,3 +537,25 @@ void ice_finalize_xdp_rx(struct ice_tx_ring *xdp_ring, unsigned int xdp_res, spin_unlock(&xdp_ring->tx_lock); } } + +/** + * ice_xdp_rx_hw_ts - HW timestamp XDP hint handler + * @ctx: XDP buff pointer + * @ts_ns: destination address + * + * Copy HW timestamp (if available) to the destination address. + */ +static int ice_xdp_rx_hw_ts(const struct xdp_md *ctx, u64 *ts_ns) +{ + const struct ice_xdp_buff *xdp_ext = (void *)ctx; + + if (!ice_ptp_copy_rx_hwts_from_desc(xdp_ext->rx_ring, + xdp_ext->eop_desc, ts_ns)) + return -EOPNOTSUPP; + + return 0; +} + +const struct xdp_metadata_ops ice_xdp_md_ops = { + .xmo_rx_timestamp = ice_xdp_rx_hw_ts, +}; -- 2.35.3