drivers/net/ethernet/sfc/siena/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
  15 struct kernel_ethtool_ts_info;
  16 void efx_siena_ptp_defer_probe_with_channel(struct efx_nic *efx);
  17 struct efx_channel *efx_siena_ptp_channel(struct efx_nic *efx);
  18 int efx_siena_ptp_set_ts_config(struct efx_nic *efx,
  19                                 struct kernel_hwtstamp_config *config,
  20                                 struct netlink_ext_ack *extack);
  21 int efx_siena_ptp_get_ts_config(struct efx_nic *efx,
  22                                 struct kernel_hwtstamp_config *config);
  23 void efx_siena_ptp_get_ts_info(struct efx_nic *efx,
  24                                struct kernel_ethtool_ts_info *ts_info);
  25 bool efx_siena_ptp_is_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
  26 int efx_siena_ptp_get_mode(struct efx_nic *efx);
  27 int efx_siena_ptp_change_mode(struct efx_nic *efx, bool enable_wanted,
  28                               unsigned int new_mode);
  29 int efx_siena_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
  30 void efx_siena_ptp_event(struct efx_nic *efx, efx_qword_t *ev);
  31 size_t efx_siena_ptp_describe_stats(struct efx_nic *efx, u8 **strings);
  32 size_t efx_siena_ptp_update_stats(struct efx_nic *efx, u64 *stats);
  33 void efx_siena_time_sync_event(struct efx_channel *channel, efx_qword_t *ev);
  34 void __efx_siena_rx_skb_attach_timestamp(struct efx_channel *channel,
  35                                          struct sk_buff *skb);
  36 static inline void efx_rx_skb_attach_timestamp(struct efx_channel *channel,
  37                                                struct sk_buff *skb)
  38 {
  39         if (channel->sync_events_state == SYNC_EVENTS_VALID)
  40                 __efx_siena_rx_skb_attach_timestamp(channel, skb);
  41 }
  42
  43 void efx_siena_ptp_start_datapath(struct efx_nic *efx);
  44 void efx_siena_ptp_stop_datapath(struct efx_nic *efx);
  45 bool efx_siena_ptp_use_mac_tx_timestamps(struct efx_nic *efx);
  46 ktime_t efx_siena_ptp_nic_to_kernel_time(struct efx_tx_queue *tx_queue);
  47
  48 #endif /* EFX_PTP_H */