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ark1668ed-bsp
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linux
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drivers
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net
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ethernet
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sfc
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ptp.h

ptp.h 2.1 KB
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  1. /* SPDX-License-Identifier: GPL-2.0-only */
    2. 

  2. /****************************************************************************
    3. 

  3.  * Driver for Solarflare network controllers and boards
    4. 

  4.  * Copyright 2005-2006 Fen Systems Ltd.
    5. 

  5.  * Copyright 2006-2013 Solarflare Communications Inc.
    6. 

  6.  * Copyright 2019-2020 Xilinx Inc.
    7. 

  7.  */
    8. 

  8. 

  9. #ifndef EFX_PTP_H
    10. 

  10. #define EFX_PTP_H
    11. 

  11. 

  12. #include <linux/net_tstamp.h>
    13. 

  13. #include "net_driver.h"
    14. 

  14. 

  15. struct kernel_ethtool_ts_info;
    16. 

  16. int efx_ptp_probe(struct efx_nic *efx, struct efx_channel *channel);
    17. 

  17. void efx_ptp_defer_probe_with_channel(struct efx_nic *efx);
    18. 

  18. struct efx_channel *efx_ptp_channel(struct efx_nic *efx);
    19. 

  19. void efx_ptp_update_channel(struct efx_nic *efx, struct efx_channel *channel);
    20. 

  20. void efx_ptp_remove(struct efx_nic *efx);
    21. 

  21. int efx_ptp_set_ts_config(struct efx_nic *efx,
    22. 

  22. 			  struct kernel_hwtstamp_config *config,
    23. 

  23. 			  struct netlink_ext_ack *extack);
    24. 

  24. int efx_ptp_get_ts_config(struct efx_nic *efx,
    25. 

  25. 			  struct kernel_hwtstamp_config *config);
    26. 

  26. void efx_ptp_get_ts_info(struct efx_nic *efx,
    27. 

  27. 			 struct kernel_ethtool_ts_info *ts_info);
    28. 

  28. bool efx_ptp_is_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
    29. 

  29. int efx_ptp_get_mode(struct efx_nic *efx);
    30. 

  30. int efx_ptp_change_mode(struct efx_nic *efx, bool enable_wanted,
    31. 

  31. 			unsigned int new_mode);
    32. 

  32. int efx_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
    33. 

  33. void efx_ptp_event(struct efx_nic *efx, efx_qword_t *ev);
    34. 

  34. size_t efx_ptp_describe_stats(struct efx_nic *efx, u8 *strings);
    35. 

  35. size_t efx_ptp_update_stats(struct efx_nic *efx, u64 *stats);
    36. 

  36. void efx_time_sync_event(struct efx_channel *channel, efx_qword_t *ev);
    37. 

  37. void __efx_rx_skb_attach_timestamp(struct efx_channel *channel,
    38. 

  38. 				   struct sk_buff *skb);
    39. 

  39. static inline void efx_rx_skb_attach_timestamp(struct efx_channel *channel,
    40. 

  40. 					       struct sk_buff *skb)
    41. 

  41. {
    42. 

  42. 	if (channel->sync_events_state == SYNC_EVENTS_VALID)
    43. 

  43. 		__efx_rx_skb_attach_timestamp(channel, skb);
    44. 

  44. }
    45. 

  45. void efx_ptp_start_datapath(struct efx_nic *efx);
    46. 

  46. void efx_ptp_stop_datapath(struct efx_nic *efx);
    47. 

  47. bool efx_ptp_use_mac_tx_timestamps(struct efx_nic *efx);
    48. 

  48. ktime_t efx_ptp_nic_to_kernel_time(struct efx_tx_queue *tx_queue);
    49. 

  49. 

  50. #endif /* EFX_PTP_H */
    51.