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android_kernel_...
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drivers
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net
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ethernet
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sfc
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siena
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ptp.h

ptp.h 1.9 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 ethtool_ts_info;
    16. 

  16. void efx_siena_ptp_defer_probe_with_channel(struct efx_nic *efx);
    17. 

  17. struct efx_channel *efx_siena_ptp_channel(struct efx_nic *efx);
    18. 

  18. int efx_siena_ptp_set_ts_config(struct efx_nic *efx, struct ifreq *ifr);
    19. 

  19. int efx_siena_ptp_get_ts_config(struct efx_nic *efx, struct ifreq *ifr);
    20. 

  20. void efx_siena_ptp_get_ts_info(struct efx_nic *efx,
    21. 

  21. 			       struct ethtool_ts_info *ts_info);
    22. 

  22. bool efx_siena_ptp_is_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
    23. 

  23. int efx_siena_ptp_get_mode(struct efx_nic *efx);
    24. 

  24. int efx_siena_ptp_change_mode(struct efx_nic *efx, bool enable_wanted,
    25. 

  25. 			      unsigned int new_mode);
    26. 

  26. int efx_siena_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
    27. 

  27. void efx_siena_ptp_event(struct efx_nic *efx, efx_qword_t *ev);
    28. 

  28. size_t efx_siena_ptp_describe_stats(struct efx_nic *efx, u8 *strings);
    29. 

  29. size_t efx_siena_ptp_update_stats(struct efx_nic *efx, u64 *stats);
    30. 

  30. void efx_siena_time_sync_event(struct efx_channel *channel, efx_qword_t *ev);
    31. 

  31. void __efx_siena_rx_skb_attach_timestamp(struct efx_channel *channel,
    32. 

  32. 					 struct sk_buff *skb);
    33. 

  33. static inline void efx_rx_skb_attach_timestamp(struct efx_channel *channel,
    34. 

  34. 					       struct sk_buff *skb)
    35. 

  35. {
    36. 

  36. 	if (channel->sync_events_state == SYNC_EVENTS_VALID)
    37. 

  37. 		__efx_siena_rx_skb_attach_timestamp(channel, skb);
    38. 

  38. }
    39. 

  39. 

  40. void efx_siena_ptp_start_datapath(struct efx_nic *efx);
    41. 

  41. void efx_siena_ptp_stop_datapath(struct efx_nic *efx);
    42. 

  42. bool efx_siena_ptp_use_mac_tx_timestamps(struct efx_nic *efx);
    43. 

  43. ktime_t efx_siena_ptp_nic_to_kernel_time(struct efx_tx_queue *tx_queue);
    44. 

  44. 

  45. #endif /* EFX_PTP_H */
    46.