ptp.h 2.0 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. /****************************************************************************
  3. * Driver for Solarflare network controllers and boards
  4. * Copyright 2005-2006 Fen Systems Ltd.
  5. * Copyright 2006-2013 Solarflare Communications Inc.
  6. * Copyright 2019-2020 Xilinx Inc.
  7. */
  8. #ifndef EFX_PTP_H
  9. #define EFX_PTP_H
  10. #include <linux/net_tstamp.h>
  11. #include "net_driver.h"
  12. struct kernel_ethtool_ts_info;
  13. int efx_ptp_probe(struct efx_nic *efx, struct efx_channel *channel);
  14. void efx_ptp_defer_probe_with_channel(struct efx_nic *efx);
  15. struct efx_channel *efx_ptp_channel(struct efx_nic *efx);
  16. void efx_ptp_update_channel(struct efx_nic *efx, struct efx_channel *channel);
  17. void efx_ptp_remove(struct efx_nic *efx);
  18. int efx_ptp_set_ts_config(struct efx_nic *efx,
  19. struct kernel_hwtstamp_config *config,
  20. struct netlink_ext_ack *extack);
  21. int efx_ptp_get_ts_config(struct efx_nic *efx,
  22. struct kernel_hwtstamp_config *config);
  23. void efx_ptp_get_ts_info(struct efx_nic *efx,
  24. struct kernel_ethtool_ts_info *ts_info);
  25. bool efx_ptp_is_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
  26. int efx_ptp_change_mode(struct efx_nic *efx, bool enable_wanted,
  27. unsigned int new_mode);
  28. int efx_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
  29. void efx_ptp_event(struct efx_nic *efx, efx_qword_t *ev);
  30. size_t efx_ptp_describe_stats(struct efx_nic *efx, u8 **strings);
  31. size_t efx_ptp_update_stats(struct efx_nic *efx, u64 *stats);
  32. void efx_time_sync_event(struct efx_channel *channel, efx_qword_t *ev);
  33. void __efx_rx_skb_attach_timestamp(struct efx_channel *channel,
  34. struct sk_buff *skb);
  35. static inline void efx_rx_skb_attach_timestamp(struct efx_channel *channel,
  36. struct sk_buff *skb)
  37. {
  38. if (channel->sync_events_state == SYNC_EVENTS_VALID)
  39. __efx_rx_skb_attach_timestamp(channel, skb);
  40. }
  41. void efx_ptp_start_datapath(struct efx_nic *efx);
  42. void efx_ptp_stop_datapath(struct efx_nic *efx);
  43. bool efx_ptp_use_mac_tx_timestamps(struct efx_nic *efx);
  44. ktime_t efx_ptp_nic_to_kernel_time(struct efx_tx_queue *tx_queue);
  45. #endif /* EFX_PTP_H */