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                            u16 local_port);
  35
  36 void mlxsw_sp1_ptp_transmitted(struct mlxsw_sp *mlxsw_sp,
  37                                struct sk_buff *skb, u16 local_port);
  38
  39 void mlxsw_sp1_ptp_got_timestamp(struct mlxsw_sp *mlxsw_sp, bool ingress,
  40                                  u16 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 int mlxsw_sp_ptp_txhdr_construct(struct mlxsw_core *mlxsw_core,
  61                                  struct mlxsw_sp_port *mlxsw_sp_port,
  62                                  struct sk_buff *skb,
  63                                  const struct mlxsw_tx_info *tx_info);
  64
  65 struct mlxsw_sp_ptp_clock *
  66 mlxsw_sp2_ptp_clock_init(struct mlxsw_sp *mlxsw_sp, struct device *dev);
  67
  68 void mlxsw_sp2_ptp_clock_fini(struct mlxsw_sp_ptp_clock *clock);
  69
  70 struct mlxsw_sp_ptp_state *mlxsw_sp2_ptp_init(struct mlxsw_sp *mlxsw_sp);
  71
  72 void mlxsw_sp2_ptp_fini(struct mlxsw_sp_ptp_state *ptp_state);
  73
  74 void mlxsw_sp2_ptp_receive(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb,
  75                            u16 local_port);
  76
  77 void mlxsw_sp2_ptp_transmitted(struct mlxsw_sp *mlxsw_sp,
  78                                struct sk_buff *skb, u16 local_port);
  79
  80 int mlxsw_sp2_ptp_hwtstamp_get(struct mlxsw_sp_port *mlxsw_sp_port,
  81                                struct hwtstamp_config *config);
  82
  83 int mlxsw_sp2_ptp_hwtstamp_set(struct mlxsw_sp_port *mlxsw_sp_port,
  84                                struct hwtstamp_config *config);
  85
  86 int mlxsw_sp2_ptp_get_ts_info(struct mlxsw_sp *mlxsw_sp,
  87                               struct ethtool_ts_info *info);
  88
  89 int mlxsw_sp2_ptp_txhdr_construct(struct mlxsw_core *mlxsw_core,
  90                                   struct mlxsw_sp_port *mlxsw_sp_port,
  91                                   struct sk_buff *skb,
  92                                   const struct mlxsw_tx_info *tx_info);
  93
  94 #else
  95
  96 static inline struct mlxsw_sp_ptp_clock *
  97 mlxsw_sp1_ptp_clock_init(struct mlxsw_sp *mlxsw_sp, struct device *dev)
  98 {
  99         return NULL;
 100 }
 101
 102 static inline void mlxsw_sp1_ptp_clock_fini(struct mlxsw_sp_ptp_clock *clock)
 103 {
 104 }
 105
 106 static inline struct mlxsw_sp_ptp_state *
 107 mlxsw_sp1_ptp_init(struct mlxsw_sp *mlxsw_sp)
 108 {
 109         return NULL;
 110 }
 111
 112 static inline void mlxsw_sp1_ptp_fini(struct mlxsw_sp_ptp_state *ptp_state)
 113 {
 114 }
 115
 116 static inline void mlxsw_sp1_ptp_receive(struct mlxsw_sp *mlxsw_sp,
 117                                          struct sk_buff *skb, u16 local_port)
 118 {
 119         mlxsw_sp_rx_listener_no_mark_func(skb, local_port, mlxsw_sp);
 120 }
 121
 122 static inline void mlxsw_sp1_ptp_transmitted(struct mlxsw_sp *mlxsw_sp,
 123                                              struct sk_buff *skb, u16 local_port)
 124 {
 125         dev_kfree_skb_any(skb);
 126 }
 127
 128 static inline void
 129 mlxsw_sp1_ptp_got_timestamp(struct mlxsw_sp *mlxsw_sp, bool ingress,
 130                             u16 local_port, u8 message_type,
 131                             u8 domain_number,
 132                             u16 sequence_id, u64 timestamp)
 133 {
 134 }
 135
 136 static inline int
 137 mlxsw_sp1_ptp_hwtstamp_get(struct mlxsw_sp_port *mlxsw_sp_port,
 138                            struct hwtstamp_config *config)
 139 {
 140         return -EOPNOTSUPP;
 141 }
 142
 143 static inline int
 144 mlxsw_sp1_ptp_hwtstamp_set(struct mlxsw_sp_port *mlxsw_sp_port,
 145                            struct hwtstamp_config *config)
 146 {
 147         return -EOPNOTSUPP;
 148 }
 149
 150 static inline void mlxsw_sp1_ptp_shaper_work(struct work_struct *work)
 151 {
 152 }
 153
 154 static inline int mlxsw_sp1_ptp_get_ts_info(struct mlxsw_sp *mlxsw_sp,
 155                                             struct ethtool_ts_info *info)
 156 {
 157         return mlxsw_sp_ptp_get_ts_info_noptp(info);
 158 }
 159
 160 static inline int mlxsw_sp1_get_stats_count(void)
 161 {
 162         return 0;
 163 }
 164
 165 static inline void mlxsw_sp1_get_stats_strings(u8 **p)
 166 {
 167 }
 168
 169 static inline void mlxsw_sp1_get_stats(struct mlxsw_sp_port *mlxsw_sp_port,
 170                                        u64 *data, int data_index)
 171 {
 172 }
 173
 174 int mlxsw_sp_ptp_txhdr_construct(struct mlxsw_core *mlxsw_core,
 175                                  struct mlxsw_sp_port *mlxsw_sp_port,
 176                                  struct sk_buff *skb,
 177                                  const struct mlxsw_tx_info *tx_info)
 178 {
 179         return -EOPNOTSUPP;
 180 }
 181
 182 static inline struct mlxsw_sp_ptp_clock *
 183 mlxsw_sp2_ptp_clock_init(struct mlxsw_sp *mlxsw_sp, struct device *dev)
 184 {
 185         return NULL;
 186 }
 187
 188 static inline void mlxsw_sp2_ptp_clock_fini(struct mlxsw_sp_ptp_clock *clock)
 189 {
 190 }
 191
 192 static inline struct mlxsw_sp_ptp_state *
 193 mlxsw_sp2_ptp_init(struct mlxsw_sp *mlxsw_sp)
 194 {
 195         return NULL;
 196 }
 197
 198 static inline void mlxsw_sp2_ptp_fini(struct mlxsw_sp_ptp_state *ptp_state)
 199 {
 200 }
 201
 202 static inline void mlxsw_sp2_ptp_receive(struct mlxsw_sp *mlxsw_sp,
 203                                          struct sk_buff *skb, u16 local_port)
 204 {
 205         mlxsw_sp_rx_listener_no_mark_func(skb, local_port, mlxsw_sp);
 206 }
 207
 208 static inline void mlxsw_sp2_ptp_transmitted(struct mlxsw_sp *mlxsw_sp,
 209                                              struct sk_buff *skb, u16 local_port)
 210 {
 211         dev_kfree_skb_any(skb);
 212 }
 213
 214 static inline int
 215 mlxsw_sp2_ptp_hwtstamp_get(struct mlxsw_sp_port *mlxsw_sp_port,
 216                            struct hwtstamp_config *config)
 217 {
 218         return -EOPNOTSUPP;
 219 }
 220
 221 static inline int
 222 mlxsw_sp2_ptp_hwtstamp_set(struct mlxsw_sp_port *mlxsw_sp_port,
 223                            struct hwtstamp_config *config)
 224 {
 225         return -EOPNOTSUPP;
 226 }
 227
 228 static inline int mlxsw_sp2_ptp_get_ts_info(struct mlxsw_sp *mlxsw_sp,
 229                                             struct ethtool_ts_info *info)
 230 {
 231         return mlxsw_sp_ptp_get_ts_info_noptp(info);
 232 }
 233
 234 int mlxsw_sp2_ptp_txhdr_construct(struct mlxsw_core *mlxsw_core,
 235                                   struct mlxsw_sp_port *mlxsw_sp_port,
 236                                   struct sk_buff *skb,
 237                                   const struct mlxsw_tx_info *tx_info)
 238 {
 239         return -EOPNOTSUPP;
 240 }
 241 #endif
 242
 243 static inline void mlxsw_sp2_ptp_shaper_work(struct work_struct *work)
 244 {
 245 }
 246
 247 static inline int mlxsw_sp2_get_stats_count(void)
 248 {
 249         return 0;
 250 }
 251
 252 static inline void mlxsw_sp2_get_stats_strings(u8 **p)
 253 {
 254 }
 255
 256 static inline void mlxsw_sp2_get_stats(struct mlxsw_sp_port *mlxsw_sp_port,
 257                                        u64 *data, int data_index)
 258 {
 259 }
 260
 261 #endif