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