qede_ptp.h 2.5 KB

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  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. #include <linux/ptp_clock_kernel.h>
  35. #include <linux/net_tstamp.h>
  36. #include <linux/timecounter.h>
  37. #include "qede.h"
  38. void qede_ptp_rx_ts(struct qede_dev *edev, struct sk_buff *skb);
  39. void qede_ptp_tx_ts(struct qede_dev *edev, struct sk_buff *skb);
  40. int qede_ptp_hw_ts(struct qede_dev *edev, struct ifreq *req);
  41. void qede_ptp_disable(struct qede_dev *edev);
  42. int qede_ptp_enable(struct qede_dev *edev, bool init_tc);
  43. int qede_ptp_get_ts_info(struct qede_dev *edev, struct ethtool_ts_info *ts);
  44. static inline void qede_ptp_record_rx_ts(struct qede_dev *edev,
  45. union eth_rx_cqe *cqe,
  46. struct sk_buff *skb)
  47. {
  48. /* Check if this packet was timestamped */
  49. if (unlikely(le16_to_cpu(cqe->fast_path_regular.pars_flags.flags) &
  50. (1 << PARSING_AND_ERR_FLAGS_TIMESTAMPRECORDED_SHIFT))) {
  51. if (likely(le16_to_cpu(cqe->fast_path_regular.pars_flags.flags)
  52. & (1 << PARSING_AND_ERR_FLAGS_TIMESYNCPKT_SHIFT))) {
  53. qede_ptp_rx_ts(edev, skb);
  54. } else {
  55. DP_INFO(edev,
  56. "Timestamp recorded for non PTP packets\n");
  57. }
  58. }
  59. }
  60. #endif /* _QEDE_PTP_H_ */