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;
16int efx_ptp_probe(struct efx_nic *efx, struct efx_channel *channel);
17void efx_ptp_defer_probe_with_channel(struct efx_nic *efx);
18struct efx_channel *efx_ptp_channel(struct efx_nic *efx);
19void efx_ptp_update_channel(struct efx_nic *efx, struct efx_channel *channel);
20void efx_ptp_remove(struct efx_nic *efx);
21int efx_ptp_set_ts_config(struct efx_nic *efx,
22			  struct kernel_hwtstamp_config *config,
23			  struct netlink_ext_ack *extack);
24int efx_ptp_get_ts_config(struct efx_nic *efx,
25			  struct kernel_hwtstamp_config *config);
26void efx_ptp_get_ts_info(struct efx_nic *efx, struct ethtool_ts_info *ts_info);
27bool efx_ptp_is_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
28int efx_ptp_get_mode(struct efx_nic *efx);
29int efx_ptp_change_mode(struct efx_nic *efx, bool enable_wanted,
30			unsigned int new_mode);
31int efx_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
32void efx_ptp_event(struct efx_nic *efx, efx_qword_t *ev);
33size_t efx_ptp_describe_stats(struct efx_nic *efx, u8 *strings);
34size_t efx_ptp_update_stats(struct efx_nic *efx, u64 *stats);
35void efx_time_sync_event(struct efx_channel *channel, efx_qword_t *ev);
36void __efx_rx_skb_attach_timestamp(struct efx_channel *channel,
37				   struct sk_buff *skb);
38static inline void efx_rx_skb_attach_timestamp(struct efx_channel *channel,
39					       struct sk_buff *skb)
40{
41	if (channel->sync_events_state == SYNC_EVENTS_VALID)
42		__efx_rx_skb_attach_timestamp(channel, skb);
43}
44void efx_ptp_start_datapath(struct efx_nic *efx);
45void efx_ptp_stop_datapath(struct efx_nic *efx);
46bool efx_ptp_use_mac_tx_timestamps(struct efx_nic *efx);
47ktime_t efx_ptp_nic_to_kernel_time(struct efx_tx_queue *tx_queue);
48
49#endif /* EFX_PTP_H */

 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;
16int efx_ptp_probe(struct efx_nic *efx, struct efx_channel *channel);
17void efx_ptp_defer_probe_with_channel(struct efx_nic *efx);
18struct efx_channel *efx_ptp_channel(struct efx_nic *efx);
19void efx_ptp_update_channel(struct efx_nic *efx, struct efx_channel *channel);
20void efx_ptp_remove(struct efx_nic *efx);
21int efx_ptp_set_ts_config(struct efx_nic *efx, struct ifreq *ifr);
22int efx_ptp_get_ts_config(struct efx_nic *efx, struct ifreq *ifr);
 
 
 
23void efx_ptp_get_ts_info(struct efx_nic *efx, struct ethtool_ts_info *ts_info);
24bool efx_ptp_is_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
25int efx_ptp_get_mode(struct efx_nic *efx);
26int efx_ptp_change_mode(struct efx_nic *efx, bool enable_wanted,
27			unsigned int new_mode);
28int efx_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
29void efx_ptp_event(struct efx_nic *efx, efx_qword_t *ev);
30size_t efx_ptp_describe_stats(struct efx_nic *efx, u8 *strings);
31size_t efx_ptp_update_stats(struct efx_nic *efx, u64 *stats);
32void efx_time_sync_event(struct efx_channel *channel, efx_qword_t *ev);
33void __efx_rx_skb_attach_timestamp(struct efx_channel *channel,
34				   struct sk_buff *skb);
35static inline void efx_rx_skb_attach_timestamp(struct efx_channel *channel,
36					       struct sk_buff *skb)
37{
38	if (channel->sync_events_state == SYNC_EVENTS_VALID)
39		__efx_rx_skb_attach_timestamp(channel, skb);
40}
41void efx_ptp_start_datapath(struct efx_nic *efx);
42void efx_ptp_stop_datapath(struct efx_nic *efx);
43bool efx_ptp_use_mac_tx_timestamps(struct efx_nic *efx);
44ktime_t efx_ptp_nic_to_kernel_time(struct efx_tx_queue *tx_queue);
45
46#endif /* EFX_PTP_H */