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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;16void efx_siena_ptp_defer_probe_with_channel(struct efx_nic *efx);17struct efx_channel *efx_siena_ptp_channel(struct efx_nic *efx);18int efx_siena_ptp_set_ts_config(struct efx_nic *efx,19 struct kernel_hwtstamp_config *config,20 struct netlink_ext_ack *extack);21int efx_siena_ptp_get_ts_config(struct efx_nic *efx,22 struct kernel_hwtstamp_config *config);23void efx_siena_ptp_get_ts_info(struct efx_nic *efx,24 struct kernel_ethtool_ts_info *ts_info);25bool efx_siena_ptp_is_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);26int efx_siena_ptp_get_mode(struct efx_nic *efx);27int efx_siena_ptp_change_mode(struct efx_nic *efx, bool enable_wanted,28 unsigned int new_mode);29int efx_siena_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);30void efx_siena_ptp_event(struct efx_nic *efx, efx_qword_t *ev);31size_t efx_siena_ptp_describe_stats(struct efx_nic *efx, u8 *strings);32size_t efx_siena_ptp_update_stats(struct efx_nic *efx, u64 *stats);33void efx_siena_time_sync_event(struct efx_channel *channel, efx_qword_t *ev);34void __efx_siena_rx_skb_attach_timestamp(struct efx_channel *channel,35 struct sk_buff *skb);36static 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 43void efx_siena_ptp_start_datapath(struct efx_nic *efx);44void efx_siena_ptp_stop_datapath(struct efx_nic *efx);45bool efx_siena_ptp_use_mac_tx_timestamps(struct efx_nic *efx);46ktime_t efx_siena_ptp_nic_to_kernel_time(struct efx_tx_queue *tx_queue);47 48#endif /* EFX_PTP_H */49