qede_ptp.h

 1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
 2/* QLogic qede NIC Driver
 3 * Copyright (c) 2015-2017  QLogic Corporation
 4 * Copyright (c) 2019-2020 Marvell International Ltd.
 5 */
 6
 7#ifndef _QEDE_PTP_H_
 8#define _QEDE_PTP_H_
 9
10#include <linux/ptp_clock_kernel.h>
11#include <linux/net_tstamp.h>
12#include <linux/timecounter.h>
13#include "qede.h"
14
15void qede_ptp_rx_ts(struct qede_dev *edev, struct sk_buff *skb);
16void qede_ptp_tx_ts(struct qede_dev *edev, struct sk_buff *skb);
17int qede_hwtstamp_get(struct net_device *netdev,
18		      struct kernel_hwtstamp_config *config);
19int qede_hwtstamp_set(struct net_device *netdev,
20		      struct kernel_hwtstamp_config *config,
21		      struct netlink_ext_ack *extack);
22void qede_ptp_disable(struct qede_dev *edev);
23int qede_ptp_enable(struct qede_dev *edev);
24int qede_ptp_get_ts_info(struct qede_dev *edev, struct kernel_ethtool_ts_info *ts);
25
26static inline void qede_ptp_record_rx_ts(struct qede_dev *edev,
27					 union eth_rx_cqe *cqe,
28					 struct sk_buff *skb)
29{
30	/* Check if this packet was timestamped */
31	if (unlikely(le16_to_cpu(cqe->fast_path_regular.pars_flags.flags) &
32		     (1 << PARSING_AND_ERR_FLAGS_TIMESTAMPRECORDED_SHIFT))) {
33		if (likely(le16_to_cpu(cqe->fast_path_regular.pars_flags.flags)
34		    & (1 << PARSING_AND_ERR_FLAGS_TIMESYNCPKT_SHIFT))) {
35			qede_ptp_rx_ts(edev, skb);
36		} else {
37			DP_INFO(edev,
38				"Timestamp recorded for non PTP packets\n");
39		}
40	}
41}
42#endif /* _QEDE_PTP_H_ */