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 */ 49