LXR linux/drivers/net/ethernet/sfc/ptp.h

   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
   9#ifndef EFX_PTP_H
  10#define EFX_PTP_H
  11
  12#include <linux/net_tstamp.h>
  13#include "net_driver.h"
  14
  15struct ethtool_ts_info;
  16int efx_ptp_probe(struct efx_nic *efx, struct efx_channel *channel);
  17void efx_ptp_defer_probe_with_channel(struct efx_nic *efx);
  18struct efx_channel *efx_ptp_channel(struct efx_nic *efx);
  19void efx_ptp_remove(struct efx_nic *efx);
  20int efx_ptp_set_ts_config(struct efx_nic *efx, struct ifreq *ifr);
  21int efx_ptp_get_ts_config(struct efx_nic *efx, struct ifreq *ifr);
  22void efx_ptp_get_ts_info(struct efx_nic *efx, struct ethtool_ts_info *ts_info);
  23bool efx_ptp_is_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
  24int efx_ptp_get_mode(struct efx_nic *efx);
  25int efx_ptp_change_mode(struct efx_nic *efx, bool enable_wanted,
  26                        unsigned int new_mode);
  27int efx_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
  28void efx_ptp_event(struct efx_nic *efx, efx_qword_t *ev);
  29size_t efx_ptp_describe_stats(struct efx_nic *efx, u8 *strings);
  30size_t efx_ptp_update_stats(struct efx_nic *efx, u64 *stats);
  31void efx_time_sync_event(struct efx_channel *channel, efx_qword_t *ev);
  32void __efx_rx_skb_attach_timestamp(struct efx_channel *channel,
  33                                   struct sk_buff *skb);
  34static inline void efx_rx_skb_attach_timestamp(struct efx_channel *channel,
  35                                               struct sk_buff *skb)
  36{
  37        if (channel->sync_events_state == SYNC_EVENTS_VALID)
  38                __efx_rx_skb_attach_timestamp(channel, skb);
  39}
  40void efx_ptp_start_datapath(struct efx_nic *efx);
  41void efx_ptp_stop_datapath(struct efx_nic *efx);
  42bool efx_ptp_use_mac_tx_timestamps(struct efx_nic *efx);
  43ktime_t efx_ptp_nic_to_kernel_time(struct efx_tx_queue *tx_queue);
  44
  45#endif /* EFX_PTP_H */
  46