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1/* SPDX-License-Identifier: GPL-2.0-only */2/****************************************************************************3 * Driver for Solarflare network controllers and boards4 * 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_H10#define EFX_PTP_H11 12#include <linux/net_tstamp.h>13#include "net_driver.h"14 15struct kernel_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_update_channel(struct efx_nic *efx, struct efx_channel *channel);20void efx_ptp_remove(struct efx_nic *efx);21int efx_ptp_set_ts_config(struct efx_nic *efx,22 struct kernel_hwtstamp_config *config,23 struct netlink_ext_ack *extack);24int efx_ptp_get_ts_config(struct efx_nic *efx,25 struct kernel_hwtstamp_config *config);26void efx_ptp_get_ts_info(struct efx_nic *efx,27 struct kernel_ethtool_ts_info *ts_info);28bool efx_ptp_is_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);29int efx_ptp_get_mode(struct efx_nic *efx);30int efx_ptp_change_mode(struct efx_nic *efx, bool enable_wanted,31 unsigned int new_mode);32int efx_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);33void efx_ptp_event(struct efx_nic *efx, efx_qword_t *ev);34size_t efx_ptp_describe_stats(struct efx_nic *efx, u8 *strings);35size_t efx_ptp_update_stats(struct efx_nic *efx, u64 *stats);36void efx_time_sync_event(struct efx_channel *channel, efx_qword_t *ev);37void __efx_rx_skb_attach_timestamp(struct efx_channel *channel,38 struct sk_buff *skb);39static inline void efx_rx_skb_attach_timestamp(struct efx_channel *channel,40 struct sk_buff *skb)41{42 if (channel->sync_events_state == SYNC_EVENTS_VALID)43 __efx_rx_skb_attach_timestamp(channel, skb);44}45void efx_ptp_start_datapath(struct efx_nic *efx);46void efx_ptp_stop_datapath(struct efx_nic *efx);47bool efx_ptp_use_mac_tx_timestamps(struct efx_nic *efx);48ktime_t efx_ptp_nic_to_kernel_time(struct efx_tx_queue *tx_queue);49 50#endif /* EFX_PTP_H */51