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 ethtool_ts_info; 16 int efx_ptp_probe(struct efx_nic *efx, struct efx_channel *channel); 17 void efx_ptp_defer_probe_with_channel(struct efx_nic *efx); 18 struct efx_channel *efx_ptp_channel(struct efx_nic *efx); 19 void efx_ptp_remove(struct efx_nic *efx); 20 int efx_ptp_set_ts_config(struct efx_nic *efx, struct ifreq *ifr); 21 int efx_ptp_get_ts_config(struct efx_nic *efx, struct ifreq *ifr); 22 void efx_ptp_get_ts_info(struct efx_nic *efx, struct ethtool_ts_info *ts_info); 23 bool efx_ptp_is_ptp_tx(struct efx_nic *efx, struct sk_buff *skb); 24 int efx_ptp_get_mode(struct efx_nic *efx); 25 int efx_ptp_change_mode(struct efx_nic *efx, bool enable_wanted, 26 unsigned int new_mode); 27 int efx_ptp_tx(struct efx_nic *efx, struct sk_buff *skb); 28 void efx_ptp_event(struct efx_nic *efx, efx_qword_t *ev); 29 size_t efx_ptp_describe_stats(struct efx_nic *efx, u8 *strings); 30 size_t efx_ptp_update_stats(struct efx_nic *efx, u64 *stats); 31 void efx_time_sync_event(struct efx_channel *channel, efx_qword_t *ev); 32 void __efx_rx_skb_attach_timestamp(struct efx_channel *channel, 33 struct sk_buff *skb); 34 static 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 } 40 void efx_ptp_start_datapath(struct efx_nic *efx); 41 void efx_ptp_stop_datapath(struct efx_nic *efx); 42 bool efx_ptp_use_mac_tx_timestamps(struct efx_nic *efx); 43 ktime_t efx_ptp_nic_to_kernel_time(struct efx_tx_queue *tx_queue); 44 45 #endif /* EFX_PTP_H */ 46