sfc/siena/ptp.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /****************************************************************************
0003  * Driver for Solarflare network controllers and boards
0004  * Copyright 2005-2006 Fen Systems Ltd.
0005  * Copyright 2006-2013 Solarflare Communications Inc.
0006  * Copyright 2019-2020 Xilinx Inc.
0007  */
0008
0009 #ifndef EFX_PTP_H
0010 #define EFX_PTP_H
0011
0012 #include <linux/net_tstamp.h>
0013 #include "net_driver.h"
0014
0015 struct ethtool_ts_info;
0016 void efx_siena_ptp_defer_probe_with_channel(struct efx_nic *efx);
0017 struct efx_channel *efx_siena_ptp_channel(struct efx_nic *efx);
0018 int efx_siena_ptp_set_ts_config(struct efx_nic *efx, struct ifreq *ifr);
0019 int efx_siena_ptp_get_ts_config(struct efx_nic *efx, struct ifreq *ifr);
0020 void efx_siena_ptp_get_ts_info(struct efx_nic *efx,
0021                    struct ethtool_ts_info *ts_info);
0022 bool efx_siena_ptp_is_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
0023 int efx_siena_ptp_get_mode(struct efx_nic *efx);
0024 int efx_siena_ptp_change_mode(struct efx_nic *efx, bool enable_wanted,
0025                   unsigned int new_mode);
0026 int efx_siena_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
0027 void efx_siena_ptp_event(struct efx_nic *efx, efx_qword_t *ev);
0028 size_t efx_siena_ptp_describe_stats(struct efx_nic *efx, u8 *strings);
0029 size_t efx_siena_ptp_update_stats(struct efx_nic *efx, u64 *stats);
0030 void efx_siena_time_sync_event(struct efx_channel *channel, efx_qword_t *ev);
0031 void __efx_siena_rx_skb_attach_timestamp(struct efx_channel *channel,
0032                      struct sk_buff *skb);
0033 static inline void efx_rx_skb_attach_timestamp(struct efx_channel *channel,
0034                            struct sk_buff *skb)
0035 {
0036     if (channel->sync_events_state == SYNC_EVENTS_VALID)
0037         __efx_siena_rx_skb_attach_timestamp(channel, skb);
0038 }
0039
0040 void efx_siena_ptp_start_datapath(struct efx_nic *efx);
0041 void efx_siena_ptp_stop_datapath(struct efx_nic *efx);
0042 bool efx_siena_ptp_use_mac_tx_timestamps(struct efx_nic *efx);
0043 ktime_t efx_siena_ptp_nic_to_kernel_time(struct efx_tx_queue *tx_queue);
0044
0045 #endif /* EFX_PTP_H */