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 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, struct ifreq *ifr);
19 int efx_siena_ptp_get_ts_config(struct efx_nic *efx, struct ifreq *ifr);
20 void efx_siena_ptp_get_ts_info(struct efx_nic *efx,
21 struct ethtool_ts_info *ts_info);
22 bool efx_siena_ptp_is_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
23 int efx_siena_ptp_get_mode(struct efx_nic *efx);
24 int efx_siena_ptp_change_mode(struct efx_nic *efx, bool enable_wanted,
25 unsigned int new_mode);
26 int efx_siena_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
27 void efx_siena_ptp_event(struct efx_nic *efx, efx_qword_t *ev);
28 size_t efx_siena_ptp_describe_stats(struct efx_nic *efx, u8 *strings);
29 size_t efx_siena_ptp_update_stats(struct efx_nic *efx, u64 *stats);
30 void efx_siena_time_sync_event(struct efx_channel *channel, efx_qword_t *ev);
31 void __efx_siena_rx_skb_attach_timestamp(struct efx_channel *channel,
32 struct sk_buff *skb);
efx_rx_skb_attach_timestamp(struct efx_channel * channel,struct sk_buff * skb)33 static inline void efx_rx_skb_attach_timestamp(struct efx_channel *channel,
34 struct sk_buff *skb)
35 {
36 if (channel->sync_events_state == SYNC_EVENTS_VALID)
37 __efx_siena_rx_skb_attach_timestamp(channel, skb);
38 }
39
40 void efx_siena_ptp_start_datapath(struct efx_nic *efx);
41 void efx_siena_ptp_stop_datapath(struct efx_nic *efx);
42 bool efx_siena_ptp_use_mac_tx_timestamps(struct efx_nic *efx);
43 ktime_t efx_siena_ptp_nic_to_kernel_time(struct efx_tx_queue *tx_queue);
44
45 #endif /* EFX_PTP_H */
46
