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