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_hwtstamp_get(struct net_device *netdev, 18 struct kernel_hwtstamp_config *config); 19 int qede_hwtstamp_set(struct net_device *netdev, 20 struct kernel_hwtstamp_config *config, 21 struct netlink_ext_ack *extack); 22 void qede_ptp_disable(struct qede_dev *edev); 23 int qede_ptp_enable(struct qede_dev *edev); 24 int qede_ptp_get_ts_info(struct qede_dev *edev, struct kernel_ethtool_ts_info *ts); 25 26 static 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_ */ 43