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;
16void efx_siena_ptp_defer_probe_with_channel(struct efx_nic *efx);
17struct efx_channel *efx_siena_ptp_channel(struct efx_nic *efx);
18int efx_siena_ptp_set_ts_config(struct efx_nic *efx,
19				struct kernel_hwtstamp_config *config,
20				struct netlink_ext_ack *extack);
21int efx_siena_ptp_get_ts_config(struct efx_nic *efx,
22				struct kernel_hwtstamp_config *config);
23void efx_siena_ptp_get_ts_info(struct efx_nic *efx,
24			       struct ethtool_ts_info *ts_info);
25bool efx_siena_ptp_is_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
26int efx_siena_ptp_get_mode(struct efx_nic *efx);
27int efx_siena_ptp_change_mode(struct efx_nic *efx, bool enable_wanted,
28			      unsigned int new_mode);
29int efx_siena_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
30void efx_siena_ptp_event(struct efx_nic *efx, efx_qword_t *ev);
31size_t efx_siena_ptp_describe_stats(struct efx_nic *efx, u8 *strings);
32size_t efx_siena_ptp_update_stats(struct efx_nic *efx, u64 *stats);
33void efx_siena_time_sync_event(struct efx_channel *channel, efx_qword_t *ev);
34void __efx_siena_rx_skb_attach_timestamp(struct efx_channel *channel,
35					 struct sk_buff *skb);
36static 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
43void efx_siena_ptp_start_datapath(struct efx_nic *efx);
44void efx_siena_ptp_stop_datapath(struct efx_nic *efx);
45bool efx_siena_ptp_use_mac_tx_timestamps(struct efx_nic *efx);
46ktime_t efx_siena_ptp_nic_to_kernel_time(struct efx_tx_queue *tx_queue);
47
48#endif /* EFX_PTP_H */
49