otx2_ptp.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/* Marvell RVU Ethernet driver
 3 *
 4 * Copyright (C) 2020 Marvell.
 5 *
 6 */
 7
 8#ifndef OTX2_PTP_H
 9#define OTX2_PTP_H
10
11static inline u64 otx2_ptp_convert_rx_timestamp(u64 timestamp)
12{
13	return be64_to_cpu(*(__be64 *)&timestamp);
14}
15
16static inline u64 otx2_ptp_convert_tx_timestamp(u64 timestamp)
17{
18	return timestamp;
19}
20
21static inline u64 cn10k_ptp_convert_timestamp(u64 timestamp)
22{
23	return ((timestamp >> 32) * NSEC_PER_SEC) + (timestamp & 0xFFFFFFFFUL);
24}
25
26int otx2_ptp_init(struct otx2_nic *pfvf);
27void otx2_ptp_destroy(struct otx2_nic *pfvf);
28
29int otx2_ptp_clock_index(struct otx2_nic *pfvf);
30int otx2_ptp_tstamp2time(struct otx2_nic *pfvf, u64 tstamp, u64 *tsns);
31
32#endif