Messages in this thread | ![/](/images/icornerl.gif) | | From | Jesper Dangaard Brouer <> | Date | Tue, 16 May 2023 18:17:53 +0200 | Subject | Re: [PATCH RESEND bpf-next 06/15] ice: Support HW timestamp hint |
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On 12/05/2023 20.19, Stanislav Fomichev wrote: >> 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; > Per Jesper's recent update, should this be ENODATA? >
Yes, please :-)
https://git.kernel.org/torvalds/c/915efd8a446b ("xdp: bpf_xdp_metadata use EOPNOTSUPP for no driver support")
--Jesper
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