LXR linux/drivers/net/ethernet/qlogic/qede/qede

   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_ptp_hw_ts(struct qede_dev *edev, struct ifreq *req);
  18void qede_ptp_disable(struct qede_dev *edev);
  19int qede_ptp_enable(struct qede_dev *edev);
  20int qede_ptp_get_ts_info(struct qede_dev *edev, struct ethtool_ts_info *ts);
  21
  22static inline void qede_ptp_record_rx_ts(struct qede_dev *edev,
  23                                         union eth_rx_cqe *cqe,
  24                                         struct sk_buff *skb)
  25{
  26        /* Check if this packet was timestamped */
  27        if (unlikely(le16_to_cpu(cqe->fast_path_regular.pars_flags.flags) &
  28                     (1 << PARSING_AND_ERR_FLAGS_TIMESTAMPRECORDED_SHIFT))) {
  29                if (likely(le16_to_cpu(cqe->fast_path_regular.pars_flags.flags)
  30                    & (1 << PARSING_AND_ERR_FLAGS_TIMESYNCPKT_SHIFT))) {
  31                        qede_ptp_rx_ts(edev, skb);
  32                } else {
  33                        DP_INFO(edev,
  34                                "Timestamp recorded for non PTP packets\n");
  35                }
  36        }
  37}
  38#endif /* _QEDE_PTP_H_ */
  39