drivers/net/ethernet/qlogic/qede/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
  15 void qede_ptp_rx_ts(struct qede_dev *edev, struct sk_buff *skb);
  16 void qede_ptp_tx_ts(struct qede_dev *edev, struct sk_buff *skb);
  17 int qede_ptp_hw_ts(struct qede_dev *edev, struct ifreq *req);
  18 void qede_ptp_disable(struct qede_dev *edev);
  19 int qede_ptp_enable(struct qede_dev *edev);
  20 int qede_ptp_get_ts_info(struct qede_dev *edev, struct ethtool_ts_info *ts);
  21
  22 static 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_ */