}
void efx_ptp_start_datapath(struct efx_nic *efx);
void efx_ptp_stop_datapath(struct efx_nic *efx);
+bool efx_ptp_use_mac_tx_timestamps(struct efx_nic *efx);
ktime_t efx_ptp_nic_to_kernel_time(struct efx_tx_queue *tx_queue);
extern const struct efx_nic_type falcon_a1_nic_type;
static int efx_phc_enable(struct ptp_clock_info *ptp,
struct ptp_clock_request *request, int on);
+bool efx_ptp_use_mac_tx_timestamps(struct efx_nic *efx)
+{
+ struct efx_ef10_nic_data *nic_data = efx->nic_data;
+
+ return ((efx_nic_rev(efx) >= EFX_REV_HUNT_A0) &&
+ (nic_data->datapath_caps2 &
+ (1 << MC_CMD_GET_CAPABILITIES_V2_OUT_TX_MAC_TIMESTAMPING_LBN)
+ ));
+}
+
#define PTP_SW_STAT(ext_name, field_name) \
{ #ext_name, 0, offsetof(struct efx_ptp_data, field_name) }
#define PTP_MC_STAT(ext_name, mcdi_name) \