spectrum_ptp.h

  1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
  2/* Copyright (c) 2019 Mellanox Technologies. All rights reserved */
  3
  4#ifndef _MLXSW_SPECTRUM_PTP_H
  5#define _MLXSW_SPECTRUM_PTP_H
  6
  7#include <linux/device.h>
  8#include <linux/rhashtable.h>
  9
 10struct mlxsw_sp;
 11struct mlxsw_sp_port;
 12struct mlxsw_sp_ptp_clock;
 13
 14#if IS_REACHABLE(CONFIG_PTP_1588_CLOCK)
 15
 16struct mlxsw_sp_ptp_clock *
 17mlxsw_sp1_ptp_clock_init(struct mlxsw_sp *mlxsw_sp, struct device *dev);
 18
 19void mlxsw_sp1_ptp_clock_fini(struct mlxsw_sp_ptp_clock *clock);
 20
 21struct mlxsw_sp_ptp_state *mlxsw_sp1_ptp_init(struct mlxsw_sp *mlxsw_sp);
 22
 23void mlxsw_sp1_ptp_fini(struct mlxsw_sp_ptp_state *ptp_state);
 24
 25void mlxsw_sp1_ptp_receive(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb,
 26			   u16 local_port);
 27
 28void mlxsw_sp1_ptp_transmitted(struct mlxsw_sp *mlxsw_sp,
 29			       struct sk_buff *skb, u16 local_port);
 30
 31void mlxsw_sp1_ptp_got_timestamp(struct mlxsw_sp *mlxsw_sp, bool ingress,
 32				 u16 local_port, u8 message_type,
 33				 u8 domain_number, u16 sequence_id,
 34				 u64 timestamp);
 35
 36int mlxsw_sp1_ptp_hwtstamp_get(struct mlxsw_sp_port *mlxsw_sp_port,
 37			       struct kernel_hwtstamp_config *config);
 38
 39int mlxsw_sp1_ptp_hwtstamp_set(struct mlxsw_sp_port *mlxsw_sp_port,
 40			       struct kernel_hwtstamp_config *config,
 41			       struct netlink_ext_ack *extack);
 42
 43void mlxsw_sp1_ptp_shaper_work(struct work_struct *work);
 44
 45int mlxsw_sp1_ptp_get_ts_info(struct mlxsw_sp *mlxsw_sp,
 46			      struct kernel_ethtool_ts_info *info);
 47
 48int mlxsw_sp1_get_stats_count(void);
 49void mlxsw_sp1_get_stats_strings(u8 **p);
 50void mlxsw_sp1_get_stats(struct mlxsw_sp_port *mlxsw_sp_port,
 51			 u64 *data, int data_index);
 52
 53struct mlxsw_sp_ptp_clock *
 54mlxsw_sp2_ptp_clock_init(struct mlxsw_sp *mlxsw_sp, struct device *dev);
 55
 56void mlxsw_sp2_ptp_clock_fini(struct mlxsw_sp_ptp_clock *clock);
 57
 58struct mlxsw_sp_ptp_state *mlxsw_sp2_ptp_init(struct mlxsw_sp *mlxsw_sp);
 59
 60void mlxsw_sp2_ptp_fini(struct mlxsw_sp_ptp_state *ptp_state);
 61
 62void mlxsw_sp2_ptp_receive(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb,
 63			   u16 local_port);
 64
 65void mlxsw_sp2_ptp_transmitted(struct mlxsw_sp *mlxsw_sp,
 66			       struct sk_buff *skb, u16 local_port);
 67
 68int mlxsw_sp2_ptp_hwtstamp_get(struct mlxsw_sp_port *mlxsw_sp_port,
 69			       struct kernel_hwtstamp_config *config);
 70
 71int mlxsw_sp2_ptp_hwtstamp_set(struct mlxsw_sp_port *mlxsw_sp_port,
 72			       struct kernel_hwtstamp_config *config,
 73			       struct netlink_ext_ack *extack);
 74
 75int mlxsw_sp2_ptp_get_ts_info(struct mlxsw_sp *mlxsw_sp,
 76			      struct kernel_ethtool_ts_info *info);
 77
 78#else
 79
 80static inline struct mlxsw_sp_ptp_clock *
 81mlxsw_sp1_ptp_clock_init(struct mlxsw_sp *mlxsw_sp, struct device *dev)
 82{
 83	return NULL;
 84}
 85
 86static inline void mlxsw_sp1_ptp_clock_fini(struct mlxsw_sp_ptp_clock *clock)
 87{
 88}
 89
 90static inline struct mlxsw_sp_ptp_state *
 91mlxsw_sp1_ptp_init(struct mlxsw_sp *mlxsw_sp)
 92{
 93	return NULL;
 94}
 95
 96static inline void mlxsw_sp1_ptp_fini(struct mlxsw_sp_ptp_state *ptp_state)
 97{
 98}
 99
100static inline void mlxsw_sp1_ptp_receive(struct mlxsw_sp *mlxsw_sp,
101					 struct sk_buff *skb, u16 local_port)
102{
103	mlxsw_sp_rx_listener_no_mark_func(skb, local_port, mlxsw_sp);
104}
105
106static inline void mlxsw_sp1_ptp_transmitted(struct mlxsw_sp *mlxsw_sp,
107					     struct sk_buff *skb, u16 local_port)
108{
109	dev_kfree_skb_any(skb);
110}
111
112static inline void
113mlxsw_sp1_ptp_got_timestamp(struct mlxsw_sp *mlxsw_sp, bool ingress,
114			    u16 local_port, u8 message_type,
115			    u8 domain_number,
116			    u16 sequence_id, u64 timestamp)
117{
118}
119
120static inline int
121mlxsw_sp1_ptp_hwtstamp_get(struct mlxsw_sp_port *mlxsw_sp_port,
122			   struct kernel_hwtstamp_config *config)
123{
124	return -EOPNOTSUPP;
125}
126
127static inline int
128mlxsw_sp1_ptp_hwtstamp_set(struct mlxsw_sp_port *mlxsw_sp_port,
129			   struct kernel_hwtstamp_config *config,
130			   struct netlink_ext_ack *extack)
131{
132	return -EOPNOTSUPP;
133}
134
135static inline void mlxsw_sp1_ptp_shaper_work(struct work_struct *work)
136{
137}
138
139static inline int mlxsw_sp1_get_stats_count(void)
140{
141	return 0;
142}
143
144static inline void mlxsw_sp1_get_stats_strings(u8 **p)
145{
146}
147
148static inline void mlxsw_sp1_get_stats(struct mlxsw_sp_port *mlxsw_sp_port,
149				       u64 *data, int data_index)
150{
151}
152
153static inline struct mlxsw_sp_ptp_clock *
154mlxsw_sp2_ptp_clock_init(struct mlxsw_sp *mlxsw_sp, struct device *dev)
155{
156	return NULL;
157}
158
159static inline void mlxsw_sp2_ptp_clock_fini(struct mlxsw_sp_ptp_clock *clock)
160{
161}
162
163static inline struct mlxsw_sp_ptp_state *
164mlxsw_sp2_ptp_init(struct mlxsw_sp *mlxsw_sp)
165{
166	return NULL;
167}
168
169static inline void mlxsw_sp2_ptp_fini(struct mlxsw_sp_ptp_state *ptp_state)
170{
171}
172
173static inline void mlxsw_sp2_ptp_receive(struct mlxsw_sp *mlxsw_sp,
174					 struct sk_buff *skb, u16 local_port)
175{
176	mlxsw_sp_rx_listener_no_mark_func(skb, local_port, mlxsw_sp);
177}
178
179static inline void mlxsw_sp2_ptp_transmitted(struct mlxsw_sp *mlxsw_sp,
180					     struct sk_buff *skb, u16 local_port)
181{
182	dev_kfree_skb_any(skb);
183}
184
185static inline int
186mlxsw_sp2_ptp_hwtstamp_get(struct mlxsw_sp_port *mlxsw_sp_port,
187			   struct kernel_hwtstamp_config *config)
188{
189	return -EOPNOTSUPP;
190}
191
192static inline int
193mlxsw_sp2_ptp_hwtstamp_set(struct mlxsw_sp_port *mlxsw_sp_port,
194			   struct kernel_hwtstamp_config *config,
195			   struct netlink_ext_ack *extack)
196{
197	return -EOPNOTSUPP;
198}
199#endif
200
201static inline void mlxsw_sp2_ptp_shaper_work(struct work_struct *work)
202{
203}
204
205static inline int mlxsw_sp2_get_stats_count(void)
206{
207	return 0;
208}
209
210static inline void mlxsw_sp2_get_stats_strings(u8 **p)
211{
212}
213
214static inline void mlxsw_sp2_get_stats(struct mlxsw_sp_port *mlxsw_sp_port,
215				       u64 *data, int data_index)
216{
217}
218
219#endif