ptp.h (2020B)
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_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, struct ifreq *ifr); 22int efx_ptp_get_ts_config(struct efx_nic *efx, struct ifreq *ifr); 23void efx_ptp_get_ts_info(struct efx_nic *efx, struct ethtool_ts_info *ts_info); 24bool efx_ptp_is_ptp_tx(struct efx_nic *efx, struct sk_buff *skb); 25int efx_ptp_get_mode(struct efx_nic *efx); 26int efx_ptp_change_mode(struct efx_nic *efx, bool enable_wanted, 27 unsigned int new_mode); 28int efx_ptp_tx(struct efx_nic *efx, struct sk_buff *skb); 29void efx_ptp_event(struct efx_nic *efx, efx_qword_t *ev); 30size_t efx_ptp_describe_stats(struct efx_nic *efx, u8 *strings); 31size_t efx_ptp_update_stats(struct efx_nic *efx, u64 *stats); 32void efx_time_sync_event(struct efx_channel *channel, efx_qword_t *ev); 33void __efx_rx_skb_attach_timestamp(struct efx_channel *channel, 34 struct sk_buff *skb); 35static 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} 41void efx_ptp_start_datapath(struct efx_nic *efx); 42void efx_ptp_stop_datapath(struct efx_nic *efx); 43bool efx_ptp_use_mac_tx_timestamps(struct efx_nic *efx); 44ktime_t efx_ptp_nic_to_kernel_time(struct efx_tx_queue *tx_queue); 45 46#endif /* EFX_PTP_H */