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_ */

 
 1/* QLogic qede NIC Driver
 2 * Copyright (c) 2015-2017  QLogic Corporation
 3 *
 4 * This software is available to you under a choice of one of two
 5 * licenses.  You may choose to be licensed under the terms of the GNU
 6 * General Public License (GPL) Version 2, available from the file
 7 * COPYING in the main directory of this source tree, or the
 8 * OpenIB.org BSD license below:
 9 *
10 *     Redistribution and use in source and binary forms, with or
11 *     without modification, are permitted provided that the following
12 *     conditions are met:
13 *
14 *      - Redistributions of source code must retain the above
15 *        copyright notice, this list of conditions and the following
16 *        disclaimer.
17 *
18 *      - Redistributions in binary form must reproduce the above
19 *        copyright notice, this list of conditions and the following
20 *        disclaimer in the documentation and /or other materials
21 *        provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 */
 
32#ifndef _QEDE_PTP_H_
33#define _QEDE_PTP_H_
34
35#include <linux/ptp_clock_kernel.h>
36#include <linux/net_tstamp.h>
37#include <linux/timecounter.h>
38#include "qede.h"
39
40void qede_ptp_rx_ts(struct qede_dev *edev, struct sk_buff *skb);
41void qede_ptp_tx_ts(struct qede_dev *edev, struct sk_buff *skb);
42int qede_ptp_hw_ts(struct qede_dev *edev, struct ifreq *req);
43void qede_ptp_disable(struct qede_dev *edev);
44int qede_ptp_enable(struct qede_dev *edev, bool init_tc);
45int qede_ptp_get_ts_info(struct qede_dev *edev, struct ethtool_ts_info *ts);
46
47static inline void qede_ptp_record_rx_ts(struct qede_dev *edev,
48					 union eth_rx_cqe *cqe,
49					 struct sk_buff *skb)
50{
51	/* Check if this packet was timestamped */
52	if (unlikely(le16_to_cpu(cqe->fast_path_regular.pars_flags.flags) &
53		     (1 << PARSING_AND_ERR_FLAGS_TIMESTAMPRECORDED_SHIFT))) {
54		if (likely(le16_to_cpu(cqe->fast_path_regular.pars_flags.flags)
55		    & (1 << PARSING_AND_ERR_FLAGS_TIMESYNCPKT_SHIFT))) {
56			qede_ptp_rx_ts(edev, skb);
57		} else {
58			DP_INFO(edev,
59				"Timestamp recorded for non PTP packets\n");
60		}
61	}
62}
63#endif /* _QEDE_PTP_H_ */